From 44bfdb718f351f5c066147f83276d337c24f1cf3 Mon Sep 17 00:00:00 2001 From: Alex Browne Date: Tue, 4 Sep 2018 16:09:44 -0400 Subject: Copy artifacts from 2.0.0-beta-testnet that do not appear in 2.0.0-mainnet --- .../artifacts/2.0.0-mainnet/DummyERC20Token.json | 641 ++ .../artifacts/2.0.0-mainnet/DummyERC721Token.json | 672 ++ .../artifacts/2.0.0-mainnet/ERC20Token.json | 486 + .../artifacts/2.0.0-mainnet/ERC721Token.json | 565 ++ .../artifacts/2.0.0-mainnet/IValidator.json | 320 + .../artifacts/2.0.0-mainnet/IWallet.json | 316 + .../migrations/artifacts/2.0.0-mainnet/WETH9.json | 346 + .../artifacts/2.0.0-mainnet/ZRXToken.json | 10041 +++++++++++++++++++ 8 files changed, 13387 insertions(+) create mode 100644 packages/migrations/artifacts/2.0.0-mainnet/DummyERC20Token.json create mode 100644 packages/migrations/artifacts/2.0.0-mainnet/DummyERC721Token.json create mode 100644 packages/migrations/artifacts/2.0.0-mainnet/ERC20Token.json create mode 100644 packages/migrations/artifacts/2.0.0-mainnet/ERC721Token.json create mode 100644 packages/migrations/artifacts/2.0.0-mainnet/IValidator.json create mode 100644 packages/migrations/artifacts/2.0.0-mainnet/IWallet.json create mode 100644 packages/migrations/artifacts/2.0.0-mainnet/WETH9.json create mode 100644 packages/migrations/artifacts/2.0.0-mainnet/ZRXToken.json (limited to 'packages') diff --git a/packages/migrations/artifacts/2.0.0-mainnet/DummyERC20Token.json b/packages/migrations/artifacts/2.0.0-mainnet/DummyERC20Token.json new file mode 100644 index 000000000..e0c5eb5dd --- /dev/null +++ b/packages/migrations/artifacts/2.0.0-mainnet/DummyERC20Token.json @@ -0,0 +1,641 @@ +{ + "schemaVersion": "2.0.0", + "contractName": "DummyERC20Token", + "compilerOutput": { + "abi": [ + { + "constant": true, + "inputs": [], + "name": "name", + "outputs": [ + { + "name": "", + "type": "string" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_spender", + "type": "address" + }, + { + "name": "_value", + "type": "uint256" + } + ], + "name": "approve", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "totalSupply", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_from", + "type": "address" + }, + { + "name": "_to", + "type": "address" + }, + { + "name": "_value", + "type": "uint256" + } + ], + "name": "transferFrom", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "decimals", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "_owner", + "type": "address" + } + ], + "name": "balanceOf", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "owner", + "outputs": [ + { + "name": "", + "type": "address" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "symbol", + "outputs": [ + { + "name": "", + "type": "string" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_value", + "type": "uint256" + } + ], + "name": "mint", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_to", + "type": "address" + }, + { + "name": "_value", + "type": "uint256" + } + ], + "name": "transfer", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "_owner", + "type": "address" + }, + { + "name": "_spender", + "type": "address" + } + ], + "name": "allowance", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_target", + "type": "address" + }, + { + "name": "_value", + "type": "uint256" + } + ], + "name": "setBalance", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "newOwner", + "type": "address" + } + ], + "name": "transferOwnership", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "MAX_MINT_AMOUNT", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "inputs": [ + { + "name": "_name", + "type": "string" + }, + { + "name": "_symbol", + "type": "string" + }, + { + "name": "_decimals", + "type": "uint256" + }, + { + "name": "_totalSupply", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "constructor" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "_from", + "type": "address" + }, + { + "indexed": true, + "name": "_to", + "type": "address" + }, + { + "indexed": false, + "name": "_value", + "type": "uint256" + } + ], + "name": "Transfer", + "type": "event" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "_owner", + "type": "address" + }, + { + "indexed": true, + "name": "_spender", + "type": "address" + }, + { + "indexed": false, + "name": "_value", + "type": "uint256" + } + ], + "name": "Approval", + "type": "event" + } + ], + "evm": { + "bytecode": { + "linkReferences": {}, + "object": 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CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x4AF JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x20D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1B8 PUSH2 0x76B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x222 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1B8 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x771 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x250 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x259 PUSH2 0x799 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x28E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xE9 PUSH2 0x7B5 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2A3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2AF PUSH1 0x4 CALLDATALOAD PUSH2 0x82E JUMP JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2BD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x18F PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x8B4 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2EE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1B8 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0xA43 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x322 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2AF PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0xA7B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x353 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2AF PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0xB91 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x381 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1B8 PUSH2 0xC78 JUMP JUMPDEST PUSH1 0x4 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x42E JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x403 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x42E JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x411 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP DUP2 JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP1 DUP6 MSTORE SWAP1 DUP4 MSTORE DUP2 DUP5 KECCAK256 DUP7 SWAP1 SSTORE DUP2 MLOAD DUP7 DUP2 MSTORE SWAP2 MLOAD SWAP4 SWAP5 SWAP1 SWAP4 SWAP1 SWAP3 PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 SWAP3 DUP3 SWAP1 SUB ADD SWAP1 LOG3 POP PUSH1 0x1 SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x3 SLOAD SWAP1 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP5 MSTORE DUP3 MSTORE DUP1 DUP4 KECCAK256 SLOAD SWAP4 DUP4 MSTORE PUSH1 0x1 SWAP1 SWAP2 MSTORE DUP2 KECCAK256 SLOAD SWAP1 SWAP2 SWAP1 DUP4 GT ISZERO PUSH2 0x55C JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1A PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x45524332305F494E53554646494349454E545F42414C414E4345000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST DUP3 DUP2 LT ISZERO PUSH2 0x5CB JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1C PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x45524332305F494E53554646494349454E545F414C4C4F57414E434500000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP4 DUP2 ADD LT ISZERO PUSH2 0x661 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP6 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD DUP8 ADD SWAP1 SSTORE SWAP2 DUP8 AND DUP2 MSTORE KECCAK256 DUP1 SLOAD DUP5 SWAP1 SUB SWAP1 SSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 LT ISZERO PUSH2 0x6FB JUMPI PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP6 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP5 MSTORE SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 DUP1 SLOAD DUP5 SWAP1 SUB SWAP1 SSTORE JUMPDEST DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF DUP6 PUSH1 0x40 MLOAD DUP1 DUP3 DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 POP PUSH1 0x1 SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x6 SLOAD DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD SWAP1 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x5 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x42E JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x403 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x42E JUMP JUMPDEST PUSH10 0x21E19E0C9BAB2400000 DUP2 GT ISZERO PUSH2 0x8A7 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0xF PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x56414C55455F544F4F5F4C415247450000000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH2 0x8B1 CALLER DUP3 PUSH2 0xC86 JUMP JUMPDEST POP JUMP JUMPDEST CALLER PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 SLOAD DUP3 GT ISZERO PUSH2 0x932 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1A PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x45524332305F494E53554646494349454E545F42414C414E4345000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP3 DUP2 ADD LT ISZERO PUSH2 0x9C8 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 DUP1 SLOAD DUP8 SWAP1 SUB SWAP1 SSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP1 DUP5 MSTORE SWAP3 DUP2 SWAP1 KECCAK256 DUP1 SLOAD DUP8 ADD SWAP1 SSTORE DUP1 MLOAD DUP7 DUP2 MSTORE SWAP1 MLOAD SWAP3 SWAP4 SWAP3 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP3 SWAP2 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP PUSH1 0x1 SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP2 DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP4 SWAP1 SWAP5 AND DUP3 MSTORE SWAP2 SWAP1 SWAP2 MSTORE KECCAK256 SLOAD SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xB02 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP1 DUP3 LT ISZERO PUSH2 0xB4E JUMPI PUSH2 0xB46 PUSH1 0x3 SLOAD PUSH2 0xB41 DUP4 DUP6 PUSH2 0xD3F JUMP JUMPDEST PUSH2 0xD3F JUMP JUMPDEST PUSH1 0x3 SSTORE PUSH2 0xB67 JUMP JUMPDEST PUSH2 0xB63 PUSH1 0x3 SLOAD PUSH2 0xB5E DUP5 DUP5 PUSH2 0xD3F JUMP JUMPDEST PUSH2 0xDB6 JUMP JUMPDEST PUSH1 0x3 SSTORE JUMPDEST POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SSTORE JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xC17 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0x8B1 JUMPI PUSH1 0x0 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 SWAP1 SWAP2 AND OR SWAP1 SSTORE POP JUMP JUMPDEST PUSH10 0x21E19E0C9BAB2400000 DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH2 0xCB7 SWAP1 DUP3 SWAP1 PUSH2 0xDB6 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SSTORE PUSH1 0x3 SLOAD PUSH2 0xCEA SWAP1 DUP3 PUSH2 0xDB6 JUMP JUMPDEST PUSH1 0x3 SSTORE PUSH1 0x40 DUP1 MLOAD DUP3 DUP2 MSTORE SWAP1 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND SWAP2 PUSH1 0x0 SWAP2 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP2 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 LOG3 POP POP JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 GT ISZERO PUSH2 0xDB0 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F554E444552464C4F57000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP SWAP1 SUB SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 ADD DUP4 DUP2 LT ISZERO PUSH2 0xE2A JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST SWAP4 SWAP3 POP POP POP JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 0xbf ISZERO 0xf8 0xb1 JUMPI DIV PUSH27 0x3248E2C7BF50AD7DD5D360D0BB36A780E3BAD9229FC4BAD5D20029 ", + "sourceMap": 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+ "opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0xCF JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x6FDDE03 DUP2 EQ PUSH2 0xD4 JUMPI DUP1 PUSH4 0x95EA7B3 EQ PUSH2 0x15E JUMPI DUP1 PUSH4 0x18160DDD EQ PUSH2 0x1A3 JUMPI DUP1 PUSH4 0x23B872DD EQ PUSH2 0x1CA JUMPI DUP1 PUSH4 0x313CE567 EQ PUSH2 0x201 JUMPI DUP1 PUSH4 0x70A08231 EQ PUSH2 0x216 JUMPI DUP1 PUSH4 0x8DA5CB5B EQ PUSH2 0x244 JUMPI DUP1 PUSH4 0x95D89B41 EQ PUSH2 0x282 JUMPI DUP1 PUSH4 0xA0712D68 EQ PUSH2 0x297 JUMPI DUP1 PUSH4 0xA9059CBB EQ PUSH2 0x2B1 JUMPI DUP1 PUSH4 0xDD62ED3E EQ PUSH2 0x2E2 JUMPI DUP1 PUSH4 0xE30443BC EQ PUSH2 0x316 JUMPI DUP1 PUSH4 0xF2FDE38B EQ PUSH2 0x347 JUMPI DUP1 PUSH4 0xFA9B7018 EQ PUSH2 0x375 JUMPI JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xE0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xE9 PUSH2 0x38A JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 ADD SWAP1 DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x123 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x10B JUMP JUMPDEST POP POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x150 JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x16A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x18F PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x436 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1AF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1B8 PUSH2 0x4A9 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1D6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x18F PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x4AF JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x20D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1B8 PUSH2 0x76B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x222 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1B8 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x771 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x250 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x259 PUSH2 0x799 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x28E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xE9 PUSH2 0x7B5 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2A3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2AF PUSH1 0x4 CALLDATALOAD PUSH2 0x82E JUMP JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2BD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x18F PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x8B4 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2EE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1B8 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0xA43 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x322 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2AF PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0xA7B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x353 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2AF PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0xB91 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x381 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1B8 PUSH2 0xC78 JUMP JUMPDEST PUSH1 0x4 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x42E JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x403 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x42E JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x411 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP DUP2 JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP1 DUP6 MSTORE SWAP1 DUP4 MSTORE DUP2 DUP5 KECCAK256 DUP7 SWAP1 SSTORE DUP2 MLOAD DUP7 DUP2 MSTORE SWAP2 MLOAD SWAP4 SWAP5 SWAP1 SWAP4 SWAP1 SWAP3 PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 SWAP3 DUP3 SWAP1 SUB ADD SWAP1 LOG3 POP PUSH1 0x1 SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x3 SLOAD SWAP1 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP5 MSTORE DUP3 MSTORE DUP1 DUP4 KECCAK256 SLOAD SWAP4 DUP4 MSTORE PUSH1 0x1 SWAP1 SWAP2 MSTORE DUP2 KECCAK256 SLOAD SWAP1 SWAP2 SWAP1 DUP4 GT ISZERO PUSH2 0x55C JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1A PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x45524332305F494E53554646494349454E545F42414C414E4345000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST DUP3 DUP2 LT ISZERO PUSH2 0x5CB JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1C PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x45524332305F494E53554646494349454E545F414C4C4F57414E434500000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP4 DUP2 ADD LT ISZERO PUSH2 0x661 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP6 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD DUP8 ADD SWAP1 SSTORE SWAP2 DUP8 AND DUP2 MSTORE KECCAK256 DUP1 SLOAD DUP5 SWAP1 SUB SWAP1 SSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 LT ISZERO PUSH2 0x6FB JUMPI PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP6 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP5 MSTORE SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 DUP1 SLOAD DUP5 SWAP1 SUB SWAP1 SSTORE JUMPDEST DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF DUP6 PUSH1 0x40 MLOAD DUP1 DUP3 DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 POP PUSH1 0x1 SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x6 SLOAD DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD SWAP1 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x5 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x42E JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x403 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x42E JUMP JUMPDEST PUSH10 0x21E19E0C9BAB2400000 DUP2 GT ISZERO PUSH2 0x8A7 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0xF PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x56414C55455F544F4F5F4C415247450000000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH2 0x8B1 CALLER DUP3 PUSH2 0xC86 JUMP JUMPDEST POP JUMP JUMPDEST CALLER PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 SLOAD DUP3 GT ISZERO PUSH2 0x932 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1A PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x45524332305F494E53554646494349454E545F42414C414E4345000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP3 DUP2 ADD LT ISZERO PUSH2 0x9C8 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 DUP1 SLOAD DUP8 SWAP1 SUB SWAP1 SSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP1 DUP5 MSTORE SWAP3 DUP2 SWAP1 KECCAK256 DUP1 SLOAD DUP8 ADD SWAP1 SSTORE DUP1 MLOAD DUP7 DUP2 MSTORE SWAP1 MLOAD SWAP3 SWAP4 SWAP3 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP3 SWAP2 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP PUSH1 0x1 SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP2 DUP3 AND PUSH1 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+ } + } + }, + "sources": { + "2.0.0/extensions/Forwarder/Forwarder.sol": { + "id": 0 + }, + "2.0.0/extensions/Forwarder/MixinAssets.sol": { + "id": 1 + }, + "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": { + "id": 2 + }, + "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": { + "id": 3 + }, + "2.0.0/extensions/Forwarder/MixinWeth.sol": { + "id": 4 + }, + "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": { + "id": 5 + }, + "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": { + "id": 6 + }, + "2.0.0/extensions/Forwarder/libs/LibConstants.sol": { + "id": 7 + }, + "2.0.0/extensions/Forwarder/mixins/MAssets.sol": { + "id": 8 + }, + "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": { + "id": 9 + }, + "2.0.0/extensions/Forwarder/mixins/MWeth.sol": { + "id": 10 + }, + "2.0.0/extensions/OrderValidator/OrderValidator.sol": { + "id": 11 + }, + "2.0.0/multisig/MultiSigWallet.sol": { + "id": 12 + }, + "2.0.0/multisig/MultiSigWalletWithTimeLock.sol": { + "id": 13 + }, + "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": { + "id": 14 + }, + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": { + "id": 15 + }, + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": { + "id": 16 + }, + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": { + "id": 17 + }, + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": { + "id": 18 + }, + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": { + "id": 19 + }, + "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": { + "id": 20 + }, + "2.0.0/protocol/Exchange/Exchange.sol": { + "id": 21 + }, + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": { + "id": 22 + }, + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": { + "id": 23 + }, + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": { + "id": 24 + }, + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": { + "id": 25 + }, + "2.0.0/protocol/Exchange/MixinTransactions.sol": { + "id": 26 + }, + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": { + "id": 27 + }, + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": { + "id": 28 + }, + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": { + "id": 29 + }, + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": { + "id": 30 + }, + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": { + "id": 31 + }, + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": { + "id": 32 + }, + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": { + "id": 33 + }, + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": { + "id": 34 + }, + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": { + "id": 35 + }, + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": { + "id": 36 + }, + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": { + "id": 37 + }, + "2.0.0/protocol/Exchange/libs/LibConstants.sol": { + "id": 38 + }, + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": { + "id": 39 + }, + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": { + "id": 40 + }, + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": { + "id": 41 + }, + "2.0.0/protocol/Exchange/libs/LibMath.sol": { + "id": 42 + }, + "2.0.0/protocol/Exchange/libs/LibOrder.sol": { + "id": 43 + }, + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": { + "id": 44 + }, + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": { + "id": 45 + }, + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": { + "id": 46 + }, + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": { + "id": 47 + }, + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": { + "id": 48 + }, + "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": { + "id": 49 + }, + "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": { + "id": 50 + }, + "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": { + "id": 51 + }, + "2.0.0/tokens/ERC20Token/ERC20Token.sol": { + "id": 52 + }, + "2.0.0/tokens/ERC20Token/IERC20Token.sol": { + "id": 53 + }, + "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": { + "id": 54 + }, + "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": { + "id": 55 + }, + "2.0.0/tokens/ERC721Token/ERC721Token.sol": { + "id": 56 + }, + "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": { + "id": 57 + }, + "2.0.0/tokens/ERC721Token/IERC721Token.sol": { + "id": 58 + }, + "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": { + "id": 59 + }, + "2.0.0/tokens/EtherToken/IEtherToken.sol": { + "id": 60 + }, + "2.0.0/utils/LibBytes/LibBytes.sol": { + "id": 61 + }, + "2.0.0/utils/Ownable/IOwnable.sol": { + "id": 62 + }, + "2.0.0/utils/Ownable/Ownable.sol": { + "id": 63 + }, + "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": { + "id": 64 + }, + "2.0.0/utils/SafeMath/SafeMath.sol": { + "id": 65 + } + }, + "sourceCodes": { + "2.0.0/extensions/Forwarder/Forwarder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinWeth.sol\";\nimport \"./MixinForwarderCore.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinAssets.sol\";\nimport \"./MixinExchangeWrapper.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Forwarder is\n LibConstants,\n MixinWeth,\n MixinAssets,\n MixinExchangeWrapper,\n MixinForwarderCore\n{\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n LibConstants(\n _exchange,\n _zrxAssetData,\n _wethAssetData\n )\n MixinForwarderCore()\n {}\n}\n", + "2.0.0/extensions/Forwarder/MixinAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MAssets.sol\";\n\n\ncontract MixinAssets is\n Ownable,\n LibConstants,\n MAssets\n{\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256(\"transfer(address,uint256)\"));\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external\n onlyOwner\n {\n transferAssetToSender(assetData, amount);\n }\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n bytes4 proxyId = assetData.readBytes4(0);\n\n if (proxyId == ERC20_DATA_ID) {\n transferERC20Token(assetData, amount);\n } else if (proxyId == ERC721_DATA_ID) {\n transferERC721Token(assetData, amount);\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n }\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n address token = assetData.readAddress(16);\n\n // Transfer tokens.\n // We do a raw call so we can check the success separate\n // from the return data.\n bool success = token.call(abi.encodeWithSelector(\n ERC20_TRANSFER_SELECTOR,\n msg.sender,\n amount\n ));\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n \n // Check return data.\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // value that evaluates to true.\n assembly {\n if returndatasize {\n success := 0\n if eq(returndatasize, 32) {\n // First 64 bytes of memory are reserved scratch space\n returndatacopy(0, 0, 32)\n success := mload(0)\n }\n }\n }\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n }\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n require(\n amount == 1,\n \"INVALID_AMOUNT\"\n );\n // Decode asset data.\n address token = assetData.readAddress(16);\n uint256 tokenId = assetData.readUint256(36);\n\n // Perform transfer.\n IERC721Token(token).transferFrom(\n address(this),\n msg.sender,\n tokenId\n );\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"../../protocol/Exchange/libs/LibAbiEncoder.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinExchangeWrapper is\n LibAbiEncoder,\n LibFillResults,\n LibMath,\n LibConstants,\n MExchangeWrapper\n{\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n address exchange = address(EXCHANGE);\n\n // Call `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := call(\n gas, // forward all gas\n exchange, // call address of Exchange contract\n 0, // transfer 0 wei\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of WETH to sell\n uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of WETH\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount;\n if (makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n\n require(\n makerAssetFilledAmount >= makerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n // Do nothing if zrxBuyAmount == 0\n if (zrxBuyAmount == 0) {\n return totalFillResults;\n }\n\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n uint256 zrxPurchased = 0;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // All of these are ZRX/WETH, so we can drop the respective assetData from calldata.\n orders[i].makerAssetData = zrxAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of ZRX to buy.\n uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased);\n\n // Convert the remaining amount of ZRX to buy into remaining amount\n // of WETH to sell, assuming entire amount can be sold in the current order.\n uint256 remainingWethSellAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees \n remainingZrxBuyAmount\n );\n\n // Attempt to sell the remaining amount of WETH.\n FillResults memory singleFillResult = fillOrderNoThrow(\n orders[i],\n safeAdd(remainingWethSellAmount, 1), // we add 1 wei to the fill amount to make up for rounding errors\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker.\n addFillResults(totalFillResults, singleFillResult);\n zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid);\n\n // Stop execution if the entire amount of ZRX has been bought.\n if (zrxPurchased >= zrxBuyAmount) {\n break;\n }\n }\n\n require(\n zrxPurchased >= zrxBuyAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\nimport \"./mixins/MAssets.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"./interfaces/IForwarderCore.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinForwarderCore is\n LibFillResults,\n LibMath,\n LibConstants,\n MWeth,\n MAssets,\n MExchangeWrapper,\n IForwarderCore\n{\n using LibBytes for bytes;\n\n /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf.\n constructor ()\n public\n {\n address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID);\n require(\n proxyAddress != address(0),\n \"UNREGISTERED_ASSET_PROXY\"\n );\n ETHER_TOKEN.approve(proxyAddress, MAX_UINT);\n ZRX_TOKEN.approve(proxyAddress, MAX_UINT);\n }\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 wethSellAmount;\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // Calculate amount of WETH that won't be spent on ETH fees.\n wethSellAmount = getPartialAmountFloor(\n PERCENTAGE_DENOMINATOR,\n safeAdd(PERCENTAGE_DENOMINATOR, feePercentage),\n msg.value\n );\n // Market sell available WETH.\n // ZRX fees are paid with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // 5% of WETH is reserved for filling feeOrders and paying feeRecipient.\n wethSellAmount = getPartialAmountFloor(\n MAX_WETH_FILL_PERCENTAGE,\n PERCENTAGE_DENOMINATOR,\n msg.value\n );\n // Market sell 95% of WETH.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // If the makerAsset is ZRX, it is not necessary to pay fees out of this\n // contracts's ZRX balance because fees are factored into the price of the order.\n orderFillResults = marketBuyExactZrxWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // Attemp to purchase desired amount of makerAsset.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketBuyExactAmountWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\n\n\ncontract MixinWeth is\n LibMath,\n LibConstants,\n MWeth\n{\n /// @dev Default payabale function, this allows us to withdraw WETH\n function ()\n public\n payable\n {\n require(\n msg.sender == address(ETHER_TOKEN),\n \"DEFAULT_FUNCTION_WETH_CONTRACT_ONLY\"\n );\n }\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal\n {\n require(\n msg.value > 0,\n \"INVALID_MSG_VALUE\"\n );\n ETHER_TOKEN.deposit.value(msg.value)();\n }\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal\n {\n // Ensure feePercentage is less than 5%.\n require(\n feePercentage <= MAX_FEE_PERCENTAGE,\n \"FEE_PERCENTAGE_TOO_LARGE\"\n );\n\n // Ensure that no extra WETH owned by this contract has been sold.\n uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx);\n require(\n wethSold <= msg.value,\n \"OVERSOLD_WETH\"\n );\n\n // Calculate amount of WETH that hasn't been sold.\n uint256 wethRemaining = safeSub(msg.value, wethSold);\n\n // Calculate ETH fee to pay to feeRecipient.\n uint256 ethFee = getPartialAmountFloor(\n feePercentage,\n PERCENTAGE_DENOMINATOR,\n wethSoldExcludingFeeOrders\n );\n\n // Ensure fee is less than amount of WETH remaining.\n require(\n ethFee <= wethRemaining,\n \"INSUFFICIENT_ETH_REMAINING\"\n );\n \n // Do nothing if no WETH remaining\n if (wethRemaining > 0) {\n // Convert remaining WETH to ETH\n ETHER_TOKEN.withdraw(wethRemaining);\n\n // Pay ETH to feeRecipient\n if (ethFee > 0) {\n feeRecipient.transfer(ethFee);\n }\n\n // Refund remaining ETH to msg.sender.\n uint256 ethRefund = safeSub(wethRemaining, ethFee);\n if (ethRefund > 0) {\n msg.sender.transfer(ethRefund);\n }\n }\n }\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssets {\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external;\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract IForwarderCore {\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n}\n", + "2.0.0/extensions/Forwarder/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/LibBytes/LibBytes.sol\";\nimport \"../../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../../tokens/EtherToken/IEtherToken.sol\";\nimport \"../../../tokens/ERC20Token/IERC20Token.sol\";\n\n\ncontract LibConstants {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n uint256 constant internal MAX_UINT = 2**256 - 1;\n uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; \n uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5%\n uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95%\n \n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n IEtherToken internal ETHER_TOKEN;\n IERC20Token internal ZRX_TOKEN;\n bytes internal ZRX_ASSET_DATA;\n bytes internal WETH_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n WETH_ASSET_DATA = _wethAssetData;\n\n address etherToken = _wethAssetData.readAddress(16);\n address zrxToken = _zrxAssetData.readAddress(16);\n ETHER_TOKEN = IEtherToken(etherToken);\n ZRX_TOKEN = IERC20Token(zrxToken);\n }\n}\n", + "2.0.0/extensions/Forwarder/mixins/MAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssets.sol\";\n\n\ncontract MAssets is\n IAssets\n{\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract MExchangeWrapper {\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n}\n", + "2.0.0/extensions/Forwarder/mixins/MWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract MWeth {\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal;\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal;\n}\n", + "2.0.0/extensions/OrderValidator/OrderValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract OrderValidator {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n struct TraderInfo {\n uint256 makerBalance; // Maker's balance of makerAsset\n uint256 makerAllowance; // Maker's allowance to corresponding AssetProxy\n uint256 takerBalance; // Taker's balance of takerAsset\n uint256 takerAllowance; // Taker's allowance to corresponding AssetProxy\n uint256 makerZrxBalance; // Maker's balance of ZRX\n uint256 makerZrxAllowance; // Maker's allowance of ZRX to ERC20Proxy\n uint256 takerZrxBalance; // Taker's balance of ZRX\n uint256 takerZrxAllowance; // Taker's allowance of ZRX to ERC20Proxy\n }\n\n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n bytes internal ZRX_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (address _exchange, bytes memory _zrxAssetData)\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n }\n\n /// @dev Fetches information for order and maker/taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return OrderInfo and TraderInfo instances for given order.\n function getOrderAndTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo, TraderInfo memory traderInfo)\n {\n orderInfo = EXCHANGE.getOrderInfo(order);\n traderInfo = getTraderInfo(order, takerAddress);\n return (orderInfo, traderInfo);\n }\n\n /// @dev Fetches information for all passed in orders and the makers/takers of each order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Arrays of OrderInfo and TraderInfo instances that correspond to each order.\n function getOrdersAndTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (LibOrder.OrderInfo[] memory ordersInfo, TraderInfo[] memory tradersInfo)\n {\n ordersInfo = EXCHANGE.getOrdersInfo(orders);\n tradersInfo = getTradersInfo(orders, takerAddresses);\n return (ordersInfo, tradersInfo);\n }\n\n /// @dev Fetches balance and allowances for maker and taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return Balances and allowances of maker and taker of order.\n function getTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (TraderInfo memory traderInfo)\n {\n (traderInfo.makerBalance, traderInfo.makerAllowance) = getBalanceAndAllowance(order.makerAddress, order.makerAssetData);\n (traderInfo.takerBalance, traderInfo.takerAllowance) = getBalanceAndAllowance(takerAddress, order.takerAssetData);\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n (traderInfo.makerZrxBalance, traderInfo.makerZrxAllowance) = getBalanceAndAllowance(order.makerAddress, zrxAssetData);\n (traderInfo.takerZrxBalance, traderInfo.takerZrxAllowance) = getBalanceAndAllowance(takerAddress, zrxAssetData);\n return traderInfo;\n }\n\n /// @dev Fetches balances and allowances of maker and taker for each provided order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Array of balances and allowances for maker and taker of each order.\n function getTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (TraderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n TraderInfo[] memory tradersInfo = new TraderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n tradersInfo[i] = getTraderInfo(orders[i], takerAddresses[i]);\n }\n return tradersInfo;\n }\n\n /// @dev Fetches token balances and allowances of an address to given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Encoded data that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balance of asset and allowance set to given proxy of asset.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalanceAndAllowance(address target, bytes memory assetData)\n public\n view\n returns (uint256 balance, uint256 allowance)\n {\n bytes4 assetProxyId = assetData.readBytes4(0);\n address token = assetData.readAddress(16);\n address assetProxy = EXCHANGE.getAssetProxy(assetProxyId);\n\n if (assetProxyId == ERC20_DATA_ID) {\n // Query balance\n balance = IERC20Token(token).balanceOf(target);\n\n // Query allowance\n allowance = IERC20Token(token).allowance(target, assetProxy);\n } else if (assetProxyId == ERC721_DATA_ID) {\n uint256 tokenId = assetData.readUint256(36);\n\n // Query owner of tokenId\n address owner = getERC721TokenOwner(token, tokenId);\n\n // Set balance to 1 if tokenId is owned by target\n balance = target == owner ? 1 : 0;\n\n // Check if ERC721Proxy is approved to spend tokenId\n bool isApproved = IERC721Token(token).isApprovedForAll(target, assetProxy) || IERC721Token(token).getApproved(tokenId) == assetProxy;\n \n // Set alowance to 1 if ERC721Proxy is approved to spend tokenId\n allowance = isApproved ? 1 : 0;\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n return (balance, allowance);\n }\n\n /// @dev Fetches token balances and allowances of an address for each given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Array of encoded byte arrays that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balances and allowances of assets.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalancesAndAllowances(address target, bytes[] memory assetData)\n public\n view\n returns (uint256[] memory, uint256[] memory)\n {\n uint256 length = assetData.length;\n uint256[] memory balances = new uint256[](length);\n uint256[] memory allowances = new uint256[](length);\n for (uint256 i = 0; i != length; i++) {\n (balances[i], allowances[i]) = getBalanceAndAllowance(target, assetData[i]);\n }\n return (balances, allowances);\n }\n\n /// @dev Calls `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token.\n /// @param token Address of ERC721 token.\n /// @param tokenId The identifier for the specific NFT.\n /// @return Owner of tokenId or null address if unowned.\n function getERC721TokenOwner(address token, uint256 tokenId)\n public\n view\n returns (address owner)\n {\n assembly {\n // load free memory pointer\n let cdStart := mload(64)\n\n // bytes4(keccak256(ownerOf(uint256))) = 0x6352211e\n mstore(cdStart, 0x6352211e00000000000000000000000000000000000000000000000000000000)\n mstore(add(cdStart, 4), tokenId)\n\n // staticcall `ownerOf(tokenId)`\n // `ownerOf` will revert if tokenId is not owned\n let success := staticcall(\n gas, // forward all gas\n token, // call token contract\n cdStart, // start of calldata\n 36, // length of input is 36 bytes\n cdStart, // write output over input\n 32 // size of output is 32 bytes\n )\n\n // Success implies that tokenId is owned\n // Copy owner from return data if successful\n if success {\n owner := mload(cdStart)\n } \n }\n\n // Owner initialized to address(0), no need to modify if call is unsuccessful\n return owner;\n }\n}\n", + "2.0.0/multisig/MultiSigWallet.sol": "// solhint-disable\npragma solidity ^0.4.15;\n\n\n/// @title Multisignature wallet - Allows multiple parties to agree on transactions before execution.\n/// @author Stefan George - \ncontract MultiSigWallet {\n\n /*\n * Events\n */\n event Confirmation(address indexed sender, uint indexed transactionId);\n event Revocation(address indexed sender, uint indexed transactionId);\n event Submission(uint indexed transactionId);\n event Execution(uint indexed transactionId);\n event ExecutionFailure(uint indexed transactionId);\n event Deposit(address indexed sender, uint value);\n event OwnerAddition(address indexed owner);\n event OwnerRemoval(address indexed owner);\n event RequirementChange(uint required);\n\n /*\n * Constants\n */\n uint constant public MAX_OWNER_COUNT = 50;\n\n /*\n * Storage\n */\n mapping (uint => Transaction) public transactions;\n mapping (uint => mapping (address => bool)) public confirmations;\n mapping (address => bool) public isOwner;\n address[] public owners;\n uint public required;\n uint public transactionCount;\n\n struct Transaction {\n address destination;\n uint value;\n bytes data;\n bool executed;\n }\n\n /*\n * Modifiers\n */\n modifier onlyWallet() {\n require(msg.sender == address(this));\n _;\n }\n\n modifier ownerDoesNotExist(address owner) {\n require(!isOwner[owner]);\n _;\n }\n\n modifier ownerExists(address owner) {\n require(isOwner[owner]);\n _;\n }\n\n modifier transactionExists(uint transactionId) {\n require(transactions[transactionId].destination != 0);\n _;\n }\n\n modifier confirmed(uint transactionId, address owner) {\n require(confirmations[transactionId][owner]);\n _;\n }\n\n modifier notConfirmed(uint transactionId, address owner) {\n require(!confirmations[transactionId][owner]);\n _;\n }\n\n modifier notExecuted(uint transactionId) {\n require(!transactions[transactionId].executed);\n _;\n }\n\n modifier notNull(address _address) {\n require(_address != 0);\n _;\n }\n\n modifier validRequirement(uint ownerCount, uint _required) {\n require(ownerCount <= MAX_OWNER_COUNT\n && _required <= ownerCount\n && _required != 0\n && ownerCount != 0);\n _;\n }\n\n /// @dev Fallback function allows to deposit ether.\n function()\n payable\n {\n if (msg.value > 0)\n Deposit(msg.sender, msg.value);\n }\n\n /*\n * Public functions\n */\n /// @dev Contract constructor sets initial owners and required number of confirmations.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n function MultiSigWallet(address[] _owners, uint _required)\n public\n validRequirement(_owners.length, _required)\n {\n for (uint i=0; i<_owners.length; i++) {\n require(!isOwner[_owners[i]] && _owners[i] != 0);\n isOwner[_owners[i]] = true;\n }\n owners = _owners;\n required = _required;\n }\n\n /// @dev Allows to add a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of new owner.\n function addOwner(address owner)\n public\n onlyWallet\n ownerDoesNotExist(owner)\n notNull(owner)\n validRequirement(owners.length + 1, required)\n {\n isOwner[owner] = true;\n owners.push(owner);\n OwnerAddition(owner);\n }\n\n /// @dev Allows to remove an owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner.\n function removeOwner(address owner)\n public\n onlyWallet\n ownerExists(owner)\n {\n isOwner[owner] = false;\n for (uint i=0; i owners.length)\n changeRequirement(owners.length);\n OwnerRemoval(owner);\n }\n\n /// @dev Allows to replace an owner with a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner to be replaced.\n /// @param newOwner Address of new owner.\n function replaceOwner(address owner, address newOwner)\n public\n onlyWallet\n ownerExists(owner)\n ownerDoesNotExist(newOwner)\n {\n for (uint i=0; i\n// solhint-disable not-rely-on-time\ncontract MultiSigWalletWithTimeLock is\n MultiSigWallet\n{\n event ConfirmationTimeSet(uint256 indexed transactionId, uint256 confirmationTime);\n event TimeLockChange(uint256 secondsTimeLocked);\n\n uint256 public secondsTimeLocked;\n\n mapping (uint256 => uint256) public confirmationTimes;\n\n modifier notFullyConfirmed(uint256 transactionId) {\n require(\n !isConfirmed(transactionId),\n \"TX_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier fullyConfirmed(uint256 transactionId) {\n require(\n isConfirmed(transactionId),\n \"TX_NOT_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier pastTimeLock(uint256 transactionId) {\n require(\n block.timestamp >= confirmationTimes[transactionId] + secondsTimeLocked,\n \"TIME_LOCK_INCOMPLETE\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations, and time lock.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] _owners,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWallet(_owners, _required)\n {\n secondsTimeLocked = _secondsTimeLocked;\n }\n\n /// @dev Changes the duration of the time lock for transactions.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n function changeTimeLock(uint256 _secondsTimeLocked)\n public\n onlyWallet\n {\n secondsTimeLocked = _secondsTimeLocked;\n emit TimeLockChange(_secondsTimeLocked);\n }\n\n /// @dev Allows an owner to confirm a transaction.\n /// @param transactionId Transaction ID.\n function confirmTransaction(uint256 transactionId)\n public\n ownerExists(msg.sender)\n transactionExists(transactionId)\n notConfirmed(transactionId, msg.sender)\n notFullyConfirmed(transactionId)\n {\n confirmations[transactionId][msg.sender] = true;\n emit Confirmation(msg.sender, transactionId);\n if (isConfirmed(transactionId)) {\n setConfirmationTime(transactionId, block.timestamp);\n }\n }\n\n /// @dev Allows anyone to execute a confirmed transaction.\n /// @param transactionId Transaction ID.\n function executeTransaction(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n pastTimeLock(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n\n /// @dev Sets the time of when a submission first passed.\n function setConfirmationTime(uint256 transactionId, uint256 confirmationTime)\n internal\n {\n confirmationTimes[transactionId] = confirmationTime;\n emit ConfirmationTimeSet(transactionId, confirmationTime);\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC20Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n \n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 1 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n\n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. amount |\n\n /////// Read token address from calldata ///////\n // * The token address is stored in `assetData`.\n //\n // * The \"offset to assetData\" is stored at offset 4 in the calldata (table 1).\n // [assetDataOffsetFromParams = calldataload(4)]\n //\n // * Notes that the \"offset to assetData\" is relative to the \"Params\" area of calldata;\n // add 4 bytes to account for the length of the \"Header\" area (table 1).\n // [assetDataOffsetFromHeader = assetDataOffsetFromParams + 4]\n //\n // * The \"token address\" is offset 32+4=36 bytes into \"assetData\" (tables 1 & 2).\n // [tokenOffset = assetDataOffsetFromHeader + 36 = calldataload(4) + 4 + 36]\n let token := calldataload(add(calldataload(4), 40))\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from`, `to` and `amount` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 96)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output over input\n 32 // output size should be 32 bytes\n )\n\n /////// Check return data. ///////\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // nonzero 32 bytes value.\n // So the transfer succeeded if the call succeeded and either\n // returned nothing, or returned a non-zero 32 byte value. \n success := and(success, or(\n iszero(returndatasize),\n and(\n eq(returndatasize, 32),\n gt(mload(0), 0)\n )\n ))\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC721Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 2 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n // | | 36 | | 2. tokenId |\n \n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. tokenId |\n\n // There exists only 1 of each token.\n // require(amount == 1, \"INVALID_AMOUNT\")\n if sub(calldataload(100), 1) {\n // Revert with `Error(\"INVALID_AMOUNT\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from` and `to` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 64)\n\n // Copy `tokenId` field from our own calldata to the new calldata.\n let assetDataOffset := calldataload(4)\n calldatacopy(68, add(assetDataOffset, 72), 32)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let token := calldataload(add(assetDataOffset, 40))\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output to null\n 0 // output size is 0 bytes\n )\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAuthorizable.sol\";\n\n\ncontract MixinAuthorizable is\n Ownable,\n MAuthorizable\n{\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized {\n require(\n authorized[msg.sender],\n \"SENDER_NOT_AUTHORIZED\"\n );\n _;\n }\n\n mapping (address => bool) public authorized;\n address[] public authorities;\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n !authorized[target],\n \"TARGET_ALREADY_AUTHORIZED\"\n );\n\n authorized[target] = true;\n authorities.push(target);\n emit AuthorizedAddressAdded(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n\n delete authorized[target];\n for (uint256 i = 0; i < authorities.length; i++) {\n if (authorities[i] == target) {\n authorities[i] = authorities[authorities.length - 1];\n authorities.length -= 1;\n break;\n }\n }\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n require(\n index < authorities.length,\n \"INDEX_OUT_OF_BOUNDS\"\n );\n require(\n authorities[index] == target,\n \"AUTHORIZED_ADDRESS_MISMATCH\"\n );\n\n delete authorized[target];\n authorities[index] = authorities[authorities.length - 1];\n authorities.length -= 1;\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory)\n {\n return authorities;\n }\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IAuthorizable.sol\";\n\n\ncontract IAssetProxy is\n IAuthorizable\n{\n /// @dev Transfers assets. Either succeeds or throws.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n function transferFrom(\n bytes assetData,\n address from,\n address to,\n uint256 amount\n )\n external;\n \n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4);\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/Ownable/IOwnable.sol\";\n\n\ncontract IAuthorizable is\n IOwnable\n{\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external;\n \n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory);\n}\n", + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAuthorizable.sol\";\n\n\ncontract MAuthorizable is\n IAuthorizable\n{\n // Event logged when a new address is authorized.\n event AuthorizedAddressAdded(\n address indexed target,\n address indexed caller\n );\n\n // Event logged when a currently authorized address is unauthorized.\n event AuthorizedAddressRemoved(\n address indexed target,\n address indexed caller\n );\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized { revert(); _; }\n}\n", + "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../multisig/MultiSigWalletWithTimeLock.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract AssetProxyOwner is\n MultiSigWalletWithTimeLock\n{\n using LibBytes for bytes;\n\n event AssetProxyRegistration(address assetProxyContract, bool isRegistered);\n\n // Mapping of AssetProxy contract address =>\n // if this contract is allowed to call the AssetProxy's `removeAuthorizedAddressAtIndex` method without a time lock.\n mapping (address => bool) public isAssetProxyRegistered;\n\n bytes4 constant internal REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR = bytes4(keccak256(\"removeAuthorizedAddressAtIndex(address,uint256)\"));\n\n /// @dev Function will revert if the transaction does not call `removeAuthorizedAddressAtIndex`\n /// on an approved AssetProxy contract.\n modifier validRemoveAuthorizedAddressAtIndexTx(uint256 transactionId) {\n Transaction storage txn = transactions[transactionId];\n require(\n isAssetProxyRegistered[txn.destination],\n \"UNREGISTERED_ASSET_PROXY\"\n );\n require(\n txn.data.readBytes4(0) == REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR,\n \"INVALID_FUNCTION_SELECTOR\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations,\n /// time lock, and list of AssetProxy addresses.\n /// @param _owners List of initial owners.\n /// @param _assetProxyContracts Array of AssetProxy contract addresses.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] memory _owners,\n address[] memory _assetProxyContracts,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWalletWithTimeLock(_owners, _required, _secondsTimeLocked)\n {\n for (uint256 i = 0; i < _assetProxyContracts.length; i++) {\n address assetProxy = _assetProxyContracts[i];\n require(\n assetProxy != address(0),\n \"INVALID_ASSET_PROXY\"\n );\n isAssetProxyRegistered[assetProxy] = true;\n }\n }\n\n /// @dev Registers or deregisters an AssetProxy to be able to execute\n /// `removeAuthorizedAddressAtIndex` without a timelock.\n /// @param assetProxyContract Address of AssetProxy contract.\n /// @param isRegistered Status of approval for AssetProxy contract.\n function registerAssetProxy(address assetProxyContract, bool isRegistered)\n public\n onlyWallet\n notNull(assetProxyContract)\n {\n isAssetProxyRegistered[assetProxyContract] = isRegistered;\n emit AssetProxyRegistration(assetProxyContract, isRegistered);\n }\n\n /// @dev Allows execution of `removeAuthorizedAddressAtIndex` without time lock.\n /// @param transactionId Transaction ID.\n function executeRemoveAuthorizedAddressAtIndex(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n validRemoveAuthorizedAddressAtIndexTx(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n}\n", + "2.0.0/protocol/Exchange/Exchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinExchangeCore.sol\";\nimport \"./MixinSignatureValidator.sol\";\nimport \"./MixinWrapperFunctions.sol\";\nimport \"./MixinAssetProxyDispatcher.sol\";\nimport \"./MixinTransactions.sol\";\nimport \"./MixinMatchOrders.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Exchange is\n MixinExchangeCore,\n MixinMatchOrders,\n MixinSignatureValidator,\n MixinTransactions,\n MixinAssetProxyDispatcher,\n MixinWrapperFunctions\n{\n string constant public VERSION = \"2.0.1-alpha\";\n\n // Mixins are instantiated in the order they are inherited\n constructor (bytes memory _zrxAssetData)\n public\n LibConstants(_zrxAssetData) // @TODO: Remove when we deploy.\n MixinExchangeCore()\n MixinMatchOrders()\n MixinSignatureValidator()\n MixinTransactions()\n MixinAssetProxyDispatcher()\n MixinWrapperFunctions()\n {}\n}\n", + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\nimport \"../AssetProxy/interfaces/IAssetProxy.sol\";\n\n\ncontract MixinAssetProxyDispatcher is\n Ownable,\n MAssetProxyDispatcher\n{\n // Mapping from Asset Proxy Id's to their respective Asset Proxy\n mapping (bytes4 => IAssetProxy) public assetProxies;\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external\n onlyOwner\n {\n IAssetProxy assetProxyContract = IAssetProxy(assetProxy);\n\n // Ensure that no asset proxy exists with current id.\n bytes4 assetProxyId = assetProxyContract.getProxyId();\n address currentAssetProxy = assetProxies[assetProxyId];\n require(\n currentAssetProxy == address(0),\n \"ASSET_PROXY_ALREADY_EXISTS\"\n );\n\n // Add asset proxy and log registration.\n assetProxies[assetProxyId] = assetProxyContract;\n emit AssetProxyRegistered(\n assetProxyId,\n assetProxy\n );\n }\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address)\n {\n return assetProxies[assetProxyId];\n }\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal\n {\n // Do nothing if no amount should be transferred.\n if (amount > 0 && from != to) {\n // Ensure assetData length is valid\n require(\n assetData.length > 3,\n \"LENGTH_GREATER_THAN_3_REQUIRED\"\n );\n \n // Lookup assetProxy. We do not use `LibBytes.readBytes4` for gas efficiency reasons.\n bytes4 assetProxyId;\n assembly {\n assetProxyId := and(mload(\n add(assetData, 32)),\n 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000\n )\n }\n address assetProxy = assetProxies[assetProxyId];\n\n // Ensure that assetProxy exists\n require(\n assetProxy != address(0),\n \"ASSET_PROXY_DOES_NOT_EXIST\"\n );\n \n // We construct calldata for the `assetProxy.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n\n assembly {\n /////// Setup State ///////\n // `cdStart` is the start of the calldata for `assetProxy.transferFrom` (equal to free memory ptr).\n let cdStart := mload(64)\n // `dataAreaLength` is the total number of words needed to store `assetData`\n // As-per the ABI spec, this value is padded up to the nearest multiple of 32,\n // and includes 32-bytes for length.\n let dataAreaLength := and(add(mload(assetData), 63), 0xFFFFFFFFFFFE0)\n // `cdEnd` is the end of the calldata for `assetProxy.transferFrom`.\n let cdEnd := add(cdStart, add(132, dataAreaLength))\n\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFromSelector`.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes.\n // Notes:\n // 1. The offset to `assetData` is the length of the Params Area (128 bytes).\n // 2. A 20-byte mask is applied to addresses to zero-out the unused bytes.\n mstore(add(cdStart, 4), 128)\n mstore(add(cdStart, 36), and(from, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 68), and(to, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 100), amount)\n \n /////// Setup Data Area ///////\n // This area holds `assetData`.\n let dataArea := add(cdStart, 132)\n // solhint-disable-next-line no-empty-blocks\n for {} lt(dataArea, cdEnd) {} {\n mstore(dataArea, mload(assetData))\n dataArea := add(dataArea, 32)\n assetData := add(assetData, 32)\n }\n\n /////// Call `assetProxy.transferFrom` using the constructed calldata ///////\n let success := call(\n gas, // forward all gas\n assetProxy, // call address of asset proxy\n 0, // don't send any ETH\n cdStart, // pointer to start of input\n sub(cdEnd, cdStart), // length of input \n cdStart, // write output over input\n 512 // reserve 512 bytes for output\n )\n if iszero(success) {\n revert(cdStart, returndatasize())\n }\n }\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinExchangeCore is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n LibOrder,\n LibFillResults,\n MAssetProxyDispatcher,\n MExchangeCore,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of orderHash => amount of takerAsset already bought by maker\n mapping (bytes32 => uint256) public filled;\n\n // Mapping of orderHash => cancelled\n mapping (bytes32 => bool) public cancelled;\n\n // Mapping of makerAddress => senderAddress => lowest salt an order can have in order to be fillable\n // Orders with specified senderAddress and with a salt less than their epoch are considered cancelled\n mapping (address => mapping (address => uint256)) public orderEpoch;\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external\n nonReentrant\n {\n address makerAddress = getCurrentContextAddress();\n // If this function is called via `executeTransaction`, we only update the orderEpoch for the makerAddress/msg.sender combination.\n // This allows external filter contracts to add rules to how orders are cancelled via this function.\n address senderAddress = makerAddress == msg.sender ? address(0) : msg.sender;\n\n // orderEpoch is initialized to 0, so to cancelUpTo we need salt + 1\n uint256 newOrderEpoch = targetOrderEpoch + 1; \n uint256 oldOrderEpoch = orderEpoch[makerAddress][senderAddress];\n\n // Ensure orderEpoch is monotonically increasing\n require(\n newOrderEpoch > oldOrderEpoch, \n \"INVALID_NEW_ORDER_EPOCH\"\n );\n\n // Update orderEpoch\n orderEpoch[makerAddress][senderAddress] = newOrderEpoch;\n emit CancelUpTo(\n makerAddress,\n senderAddress,\n newOrderEpoch\n );\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrder(Order memory order)\n public\n nonReentrant\n {\n cancelOrderInternal(order);\n }\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(Order memory order)\n public\n view\n returns (OrderInfo memory orderInfo)\n {\n // Compute the order hash\n orderInfo.orderHash = getOrderHash(order);\n\n // Fetch filled amount\n orderInfo.orderTakerAssetFilledAmount = filled[orderInfo.orderHash];\n\n // If order.makerAssetAmount is zero, we also reject the order.\n // While the Exchange contract handles them correctly, they create\n // edge cases in the supporting infrastructure because they have\n // an 'infinite' price when computed by a simple division.\n if (order.makerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_MAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // If order.takerAssetAmount is zero, then the order will always\n // be considered filled because 0 == takerAssetAmount == orderTakerAssetFilledAmount\n // Instead of distinguishing between unfilled and filled zero taker\n // amount orders, we choose not to support them.\n if (order.takerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_TAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // Validate order availability\n if (orderInfo.orderTakerAssetFilledAmount >= order.takerAssetAmount) {\n orderInfo.orderStatus = uint8(OrderStatus.FULLY_FILLED);\n return orderInfo;\n }\n\n // Validate order expiration\n // solhint-disable-next-line not-rely-on-time\n if (block.timestamp >= order.expirationTimeSeconds) {\n orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);\n return orderInfo;\n }\n\n // Check if order has been cancelled\n if (cancelled[orderInfo.orderHash]) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n if (orderEpoch[order.makerAddress][order.senderAddress] > order.salt) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n\n // All other statuses are ruled out: order is Fillable\n orderInfo.orderStatus = uint8(OrderStatus.FILLABLE);\n return orderInfo;\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // Fetch order info\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Assert that the order is fillable by taker\n assertFillableOrder(\n order,\n orderInfo,\n takerAddress,\n signature\n );\n \n // Get amount of takerAsset to fill\n uint256 remainingTakerAssetAmount = safeSub(order.takerAssetAmount, orderInfo.orderTakerAssetFilledAmount);\n uint256 takerAssetFilledAmount = min256(takerAssetFillAmount, remainingTakerAssetAmount);\n\n // Validate context\n assertValidFill(\n order,\n orderInfo,\n takerAssetFillAmount,\n takerAssetFilledAmount,\n fillResults.makerAssetFilledAmount\n );\n\n // Compute proportional fill amounts\n fillResults = calculateFillResults(order, takerAssetFilledAmount);\n\n // Update exchange internal state\n updateFilledState(\n order,\n takerAddress,\n orderInfo.orderHash,\n orderInfo.orderTakerAssetFilledAmount,\n fillResults\n );\n \n // Settle order\n settleOrder(\n order,\n takerAddress,\n fillResults\n );\n\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrderInternal(Order memory order)\n internal\n {\n // Fetch current order status\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Validate context\n assertValidCancel(order, orderInfo);\n\n // Perform cancel\n updateCancelledState(order, orderInfo.orderHash);\n }\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n function updateFilledState(\n Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n FillResults memory fillResults\n )\n internal\n {\n // Update state\n filled[orderHash] = safeAdd(orderTakerAssetFilledAmount, fillResults.takerAssetFilledAmount);\n\n // Log order\n emit Fill(\n order.makerAddress,\n order.feeRecipientAddress,\n takerAddress,\n msg.sender,\n fillResults.makerAssetFilledAmount,\n fillResults.takerAssetFilledAmount,\n fillResults.makerFeePaid,\n fillResults.takerFeePaid,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n Order memory order,\n bytes32 orderHash\n )\n internal\n {\n // Perform cancel\n cancelled[orderHash] = true;\n\n // Log cancel\n emit Cancel(\n order.makerAddress,\n order.feeRecipientAddress,\n msg.sender,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n Order memory order,\n OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view\n {\n // An order can only be filled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n \n // Validate sender is allowed to fill this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n \n // Validate taker is allowed to fill this order\n if (order.takerAddress != address(0)) {\n require(\n order.takerAddress == takerAddress,\n \"INVALID_TAKER\"\n );\n }\n \n // Validate Maker signature (check only if first time seen)\n if (orderInfo.orderTakerAssetFilledAmount == 0) {\n require(\n isValidSignature(\n orderInfo.orderHash,\n order.makerAddress,\n signature\n ),\n \"INVALID_ORDER_SIGNATURE\"\n );\n }\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n Order memory order,\n OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount, // TODO: use FillResults\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view\n {\n // Revert if fill amount is invalid\n // TODO: reconsider necessity for v2.1\n require(\n takerAssetFillAmount != 0,\n \"INVALID_TAKER_AMOUNT\"\n );\n \n // Make sure taker does not pay more than desired amount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n takerAssetFilledAmount <= takerAssetFillAmount,\n \"TAKER_OVERPAY\"\n );\n \n // Make sure order is not overfilled\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeAdd(orderInfo.orderTakerAssetFilledAmount, takerAssetFilledAmount) <= order.takerAssetAmount,\n \"ORDER_OVERFILL\"\n );\n \n // Make sure order is filled at acceptable price.\n // The order has an implied price from the makers perspective:\n // order price = order.makerAssetAmount / order.takerAssetAmount\n // i.e. the number of makerAsset maker is paying per takerAsset. The\n // maker is guaranteed to get this price or a better (lower) one. The\n // actual price maker is getting in this fill is:\n // fill price = makerAssetFilledAmount / takerAssetFilledAmount\n // We need `fill price <= order price` for the fill to be fair to maker.\n // This amounts to:\n // makerAssetFilledAmount order.makerAssetAmount\n // ------------------------ <= -----------------------\n // takerAssetFilledAmount order.takerAssetAmount\n // or, equivalently:\n // makerAssetFilledAmount * order.takerAssetAmount <=\n // order.makerAssetAmount * takerAssetFilledAmount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeMul(makerAssetFilledAmount, order.takerAssetAmount)\n <= \n safeMul(order.makerAssetAmount, takerAssetFilledAmount),\n \"INVALID_FILL_PRICE\"\n );\n }\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n Order memory order,\n OrderInfo memory orderInfo\n )\n internal\n view\n {\n // Ensure order is valid\n // An order can only be cancelled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Validate sender is allowed to cancel this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate transaction signed by maker\n address makerAddress = getCurrentContextAddress();\n require(\n order.makerAddress == makerAddress,\n \"INVALID_MAKER\"\n );\n }\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (FillResults memory fillResults)\n {\n // Compute proportional transfer amounts\n fillResults.takerAssetFilledAmount = takerAssetFilledAmount;\n fillResults.makerAssetFilledAmount = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n );\n fillResults.makerFeePaid = safeGetPartialAmountFloor(\n fillResults.makerAssetFilledAmount,\n order.makerAssetAmount,\n order.makerFee\n );\n fillResults.takerFeePaid = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.takerFee\n );\n\n return fillResults;\n }\n\n /// @dev Settles an order by transferring assets between counterparties.\n /// @param order Order struct containing order specifications.\n /// @param takerAddress Address selling takerAsset and buying makerAsset.\n /// @param fillResults Amounts to be filled and fees paid by maker and taker.\n function settleOrder(\n LibOrder.Order memory order,\n address takerAddress,\n LibFillResults.FillResults memory fillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n dispatchTransferFrom(\n order.makerAssetData,\n order.makerAddress,\n takerAddress,\n fillResults.makerAssetFilledAmount\n );\n dispatchTransferFrom(\n order.takerAssetData,\n takerAddress,\n order.makerAddress,\n fillResults.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n zrxAssetData,\n order.makerAddress,\n order.feeRecipientAddress,\n fillResults.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n order.feeRecipientAddress,\n fillResults.takerFeePaid\n );\n }\n}\n", + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": "/*\n Copyright 2018 ZeroEx Intl.\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n http://www.apache.org/licenses/LICENSE-2.0\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MMatchOrders.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinMatchOrders is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n MAssetProxyDispatcher,\n MExchangeCore,\n MMatchOrders,\n MTransactions\n{\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n nonReentrant\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We assume that rightOrder.takerAssetData == leftOrder.makerAssetData and rightOrder.makerAssetData == leftOrder.takerAssetData.\n // If this assumption isn't true, the match will fail at signature validation.\n rightOrder.makerAssetData = leftOrder.takerAssetData;\n rightOrder.takerAssetData = leftOrder.makerAssetData;\n\n // Get left & right order info\n LibOrder.OrderInfo memory leftOrderInfo = getOrderInfo(leftOrder);\n LibOrder.OrderInfo memory rightOrderInfo = getOrderInfo(rightOrder);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Either our context is valid or we revert\n assertFillableOrder(\n leftOrder,\n leftOrderInfo,\n takerAddress,\n leftSignature\n );\n assertFillableOrder(\n rightOrder,\n rightOrderInfo,\n takerAddress,\n rightSignature\n );\n assertValidMatch(leftOrder, rightOrder);\n\n // Compute proportional fill amounts\n matchedFillResults = calculateMatchedFillResults(\n leftOrder,\n rightOrder,\n leftOrderInfo.orderTakerAssetFilledAmount,\n rightOrderInfo.orderTakerAssetFilledAmount\n );\n\n // Validate fill contexts\n assertValidFill(\n leftOrder,\n leftOrderInfo,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.makerAssetFilledAmount\n );\n assertValidFill(\n rightOrder,\n rightOrderInfo,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n \n // Update exchange state\n updateFilledState(\n leftOrder,\n takerAddress,\n leftOrderInfo.orderHash,\n leftOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.left\n );\n updateFilledState(\n rightOrder,\n takerAddress,\n rightOrderInfo.orderHash,\n rightOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.right\n );\n\n // Settle matched orders. Succeeds or throws.\n settleMatchedOrders(\n leftOrder,\n rightOrder,\n takerAddress,\n matchedFillResults\n );\n\n return matchedFillResults;\n }\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure\n {\n // Make sure there is a profitable spread.\n // There is a profitable spread iff the cost per unit bought (OrderA.MakerAmount/OrderA.TakerAmount) for each order is greater\n // than the profit per unit sold of the matched order (OrderB.TakerAmount/OrderB.MakerAmount).\n // This is satisfied by the equations below:\n // / >= / \n // AND\n // / >= / \n // These equations can be combined to get the following:\n require(\n safeMul(leftOrder.makerAssetAmount, rightOrder.makerAssetAmount) >=\n safeMul(leftOrder.takerAssetAmount, rightOrder.takerAssetAmount),\n \"NEGATIVE_SPREAD_REQUIRED\"\n );\n }\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // Derive maker asset amounts for left & right orders, given store taker assert amounts\n uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);\n uint256 leftMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n leftTakerAssetAmountRemaining\n );\n uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);\n uint256 rightMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n rightOrder.makerAssetAmount,\n rightOrder.takerAssetAmount,\n rightTakerAssetAmountRemaining\n );\n\n // Calculate fill results for maker and taker assets: at least one order will be fully filled.\n // The maximum amount the left maker can buy is `leftTakerAssetAmountRemaining`\n // The maximum amount the right maker can sell is `rightMakerAssetAmountRemaining`\n // We have two distinct cases for calculating the fill results:\n // Case 1.\n // If the left maker can buy more than the right maker can sell, then only the right order is fully filled.\n // If the left maker can buy exactly what the right maker can sell, then both orders are fully filled.\n // Case 2.\n // If the left maker cannot buy more than the right maker can sell, then only the left order is fully filled.\n if (leftTakerAssetAmountRemaining >= rightMakerAssetAmountRemaining) {\n // Case 1: Right order is fully filled\n matchedFillResults.right.makerAssetFilledAmount = rightMakerAssetAmountRemaining;\n matchedFillResults.right.takerAssetFilledAmount = rightTakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = matchedFillResults.right.makerAssetFilledAmount;\n // Round down to ensure the maker's exchange rate does not exceed the price specified by the order. \n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.left.makerAssetFilledAmount = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n matchedFillResults.left.takerAssetFilledAmount\n );\n } else {\n // Case 2: Left order is fully filled\n matchedFillResults.left.makerAssetFilledAmount = leftMakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = leftTakerAssetAmountRemaining;\n matchedFillResults.right.makerAssetFilledAmount = matchedFillResults.left.takerAssetFilledAmount;\n // Round up to ensure the maker's exchange rate does not exceed the price specified by the order.\n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.right.takerAssetFilledAmount = safeGetPartialAmountCeil(\n rightOrder.takerAssetAmount,\n rightOrder.makerAssetAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n }\n\n // Calculate amount given to taker\n matchedFillResults.leftMakerAssetSpreadAmount = safeSub(\n matchedFillResults.left.makerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount\n );\n\n // Compute fees for left order\n matchedFillResults.left.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.makerAssetFilledAmount,\n leftOrder.makerAssetAmount,\n leftOrder.makerFee\n );\n matchedFillResults.left.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.takerAssetFilledAmount,\n leftOrder.takerAssetAmount,\n leftOrder.takerFee\n );\n\n // Compute fees for right order\n matchedFillResults.right.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.makerAssetFilledAmount,\n rightOrder.makerAssetAmount,\n rightOrder.makerFee\n );\n matchedFillResults.right.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.takerAssetFilledAmount,\n rightOrder.takerAssetAmount,\n rightOrder.takerFee\n );\n\n // Return fill results\n return matchedFillResults;\n }\n\n /// @dev Settles matched order by transferring appropriate funds between order makers, taker, and fee recipient.\n /// @param leftOrder First matched order.\n /// @param rightOrder Second matched order.\n /// @param takerAddress Address that matched the orders. The taker receives the spread between orders as profit.\n /// @param matchedFillResults Struct holding amounts to transfer between makers, taker, and fee recipients.\n function settleMatchedOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n address takerAddress,\n LibFillResults.MatchedFillResults memory matchedFillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n // Order makers and taker\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n rightOrder.makerAddress,\n matchedFillResults.right.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n rightOrder.makerAssetData,\n rightOrder.makerAddress,\n leftOrder.makerAddress,\n matchedFillResults.left.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n takerAddress,\n matchedFillResults.leftMakerAssetSpreadAmount\n );\n\n // Maker fees\n dispatchTransferFrom(\n zrxAssetData,\n leftOrder.makerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n rightOrder.makerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.makerFeePaid\n );\n\n // Taker fees\n if (leftOrder.feeRecipientAddress == rightOrder.feeRecipientAddress) {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n safeAdd(\n matchedFillResults.left.takerFeePaid,\n matchedFillResults.right.takerFeePaid\n )\n );\n } else {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.takerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.takerFeePaid\n );\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./interfaces/IWallet.sol\";\nimport \"./interfaces/IValidator.sol\";\n\n\ncontract MixinSignatureValidator is\n ReentrancyGuard,\n MSignatureValidator,\n MTransactions\n{\n using LibBytes for bytes;\n \n // Mapping of hash => signer => signed\n mapping (bytes32 => mapping (address => bool)) public preSigned;\n\n // Mapping of signer => validator => approved\n mapping (address => mapping (address => bool)) public allowedValidators;\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n {\n if (signerAddress != msg.sender) {\n require(\n isValidSignature(\n hash,\n signerAddress,\n signature\n ),\n \"INVALID_SIGNATURE\"\n );\n }\n preSigned[hash][signerAddress] = true;\n }\n\n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external\n nonReentrant\n {\n address signerAddress = getCurrentContextAddress();\n allowedValidators[signerAddress][validatorAddress] = approval;\n emit SignatureValidatorApproval(\n signerAddress,\n validatorAddress,\n approval\n );\n }\n\n /// @dev Verifies that a hash has been signed by the given signer.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid)\n {\n require(\n signature.length > 0,\n \"LENGTH_GREATER_THAN_0_REQUIRED\"\n );\n\n // Pop last byte off of signature byte array.\n uint8 signatureTypeRaw = uint8(signature.popLastByte());\n\n // Ensure signature is supported\n require(\n signatureTypeRaw < uint8(SignatureType.NSignatureTypes),\n \"SIGNATURE_UNSUPPORTED\"\n );\n\n SignatureType signatureType = SignatureType(signatureTypeRaw);\n\n // Variables are not scoped in Solidity.\n uint8 v;\n bytes32 r;\n bytes32 s;\n address recovered;\n\n // Always illegal signature.\n // This is always an implicit option since a signer can create a\n // signature array with invalid type or length. We may as well make\n // it an explicit option. This aids testing and analysis. It is\n // also the initialization value for the enum type.\n if (signatureType == SignatureType.Illegal) {\n revert(\"SIGNATURE_ILLEGAL\");\n\n // Always invalid signature.\n // Like Illegal, this is always implicitly available and therefore\n // offered explicitly. It can be implicitly created by providing\n // a correctly formatted but incorrect signature.\n } else if (signatureType == SignatureType.Invalid) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = false;\n return isValid;\n\n // Signature using EIP712\n } else if (signatureType == SignatureType.EIP712) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n hash,\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signed using web3.eth_sign\n } else if (signatureType == SignatureType.EthSign) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n32\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signature verified by wallet contract.\n // If used with an order, the maker of the order is the wallet contract.\n } else if (signatureType == SignatureType.Wallet) {\n isValid = isValidWalletSignature(\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signature verified by validator contract.\n // If used with an order, the maker of the order can still be an EOA.\n // A signature using this type should be encoded as:\n // | Offset | Length | Contents |\n // | 0x00 | x | Signature to validate |\n // | 0x00 + x | 20 | Address of validator contract |\n // | 0x14 + x | 1 | Signature type is always \"\\x06\" |\n } else if (signatureType == SignatureType.Validator) {\n // Pop last 20 bytes off of signature byte array.\n address validatorAddress = signature.popLast20Bytes();\n \n // Ensure signer has approved validator.\n if (!allowedValidators[signerAddress][validatorAddress]) {\n return false;\n }\n isValid = isValidValidatorSignature(\n validatorAddress,\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signer signed hash previously using the preSign function.\n } else if (signatureType == SignatureType.PreSigned) {\n isValid = preSigned[hash][signerAddress];\n return isValid;\n }\n\n // Anything else is illegal (We do not return false because\n // the signature may actually be valid, just not in a format\n // that we currently support. In this case returning false\n // may lead the caller to incorrectly believe that the\n // signature was invalid.)\n revert(\"SIGNATURE_UNSUPPORTED\");\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if signature is valid for given wallet..\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IWallet(walletAddress).isValidSignature.selector,\n hash,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n walletAddress, // address of Wallet contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"WALLET_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000c57414c4c45545f4552524f5200000000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IValidator(signerAddress).isValidSignature.selector,\n hash,\n signerAddress,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n validatorAddress, // address of Validator contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"VALIDATOR_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f56414c494441544f525f4552524f5200000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n}\n", + "2.0.0/protocol/Exchange/MixinTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"./libs/LibExchangeErrors.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./libs/LibEIP712.sol\";\n\n\ncontract MixinTransactions is\n LibEIP712,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of transaction hash => executed\n // This prevents transactions from being executed more than once.\n mapping (bytes32 => bool) public transactions;\n\n // Address of current transaction signer\n address public currentContextAddress;\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external\n {\n // Prevent reentrancy\n require(\n currentContextAddress == address(0),\n \"REENTRANCY_ILLEGAL\"\n );\n\n bytes32 transactionHash = hashEIP712Message(hashZeroExTransaction(\n salt,\n signerAddress,\n data\n ));\n\n // Validate transaction has not been executed\n require(\n !transactions[transactionHash],\n \"INVALID_TX_HASH\"\n );\n\n // Transaction always valid if signer is sender of transaction\n if (signerAddress != msg.sender) {\n // Validate signature\n require(\n isValidSignature(\n transactionHash,\n signerAddress,\n signature\n ),\n \"INVALID_TX_SIGNATURE\"\n );\n\n // Set the current transaction signer\n currentContextAddress = signerAddress;\n }\n\n // Execute transaction\n transactions[transactionHash] = true;\n require(\n address(this).delegatecall(data),\n \"FAILED_EXECUTION\"\n );\n\n // Reset current transaction signer if it was previously updated\n if (signerAddress != msg.sender) {\n currentContextAddress = address(0);\n }\n }\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;\n bytes32 dataHash = keccak256(data);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,\n // salt,\n // bytes32(signerAddress),\n // keccak256(data)\n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, schemaHash) // hash of schema\n mstore(add(memPtr, 32), salt) // salt\n mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff)) // signerAddress\n mstore(add(memPtr, 96), dataHash) // hash of data\n\n // Compute hash\n result := keccak256(memPtr, 128)\n }\n return result;\n }\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address)\n {\n address currentContextAddress_ = currentContextAddress;\n address contextAddress = currentContextAddress_ == address(0) ? msg.sender : currentContextAddress_;\n return contextAddress;\n }\n}\n", + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibAbiEncoder.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MWrapperFunctions.sol\";\n\n\ncontract MixinWrapperFunctions is\n ReentrancyGuard,\n LibMath,\n LibFillResults,\n LibAbiEncoder,\n MExchangeCore,\n MWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrKillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n // Delegate to `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := delegatecall(\n gas, // forward all gas\n address, // call address of this contract\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrKillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n \n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public\n nonReentrant\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n cancelOrderInternal(orders[i]);\n }\n }\n\n /// @dev Fetches information for all passed in orders.\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n LibOrder.OrderInfo[] memory ordersInfo = new LibOrder.OrderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n ordersInfo[i] = getOrderInfo(orders[i]);\n }\n return ordersInfo;\n }\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n require(\n fillResults.takerAssetFilledAmount == takerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return fillResults;\n }\n}\n", + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssetProxyDispatcher {\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external;\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./IExchangeCore.sol\";\nimport \"./IMatchOrders.sol\";\nimport \"./ISignatureValidator.sol\";\nimport \"./ITransactions.sol\";\nimport \"./IAssetProxyDispatcher.sol\";\nimport \"./IWrapperFunctions.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract IExchange is\n IExchangeCore,\n IMatchOrders,\n ISignatureValidator,\n ITransactions,\n IAssetProxyDispatcher,\n IWrapperFunctions\n{}\n", + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IExchangeCore {\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external;\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrder(LibOrder.Order memory order)\n public;\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(LibOrder.Order memory order)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IMatchOrders {\n\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ISignatureValidator {\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external;\n \n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external;\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address of signer.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\n\ncontract ITransactions {\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external;\n}\n", + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IValidator {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IWallet {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IWrapperFunctions {\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public;\n\n /// @dev Fetches information for all passed in orders\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory);\n}\n", + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./LibOrder.sol\";\n\n\ncontract LibAbiEncoder {\n\n /// @dev ABI encodes calldata for `fillOrder`.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return ABI encoded calldata for `fillOrder`.\n function abiEncodeFillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n pure\n returns (bytes memory fillOrderCalldata)\n {\n // We need to call MExchangeCore.fillOrder using a delegatecall in\n // assembly so that we can intercept a call that throws. For this, we\n // need the input encoded in memory in the Ethereum ABIv2 format [1].\n\n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0x00 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 0x00 | | 1. offset to order (*) |\n // | | 0x20 | | 2. takerAssetFillAmount |\n // | | 0x40 | | 3. offset to signature (*) |\n // | Data | | 12 * 32 | order: |\n // | | 0x000 | | 1. senderAddress |\n // | | 0x020 | | 2. makerAddress |\n // | | 0x040 | | 3. takerAddress |\n // | | 0x060 | | 4. feeRecipientAddress |\n // | | 0x080 | | 5. makerAssetAmount |\n // | | 0x0A0 | | 6. takerAssetAmount |\n // | | 0x0C0 | | 7. makerFeeAmount |\n // | | 0x0E0 | | 8. takerFeeAmount |\n // | | 0x100 | | 9. expirationTimeSeconds |\n // | | 0x120 | | 10. salt |\n // | | 0x140 | | 11. Offset to makerAssetData (*) |\n // | | 0x160 | | 12. Offset to takerAssetData (*) |\n // | | 0x180 | 32 | makerAssetData Length |\n // | | 0x1A0 | ** | makerAssetData Contents |\n // | | 0x1C0 | 32 | takerAssetData Length |\n // | | 0x1E0 | ** | takerAssetData Contents |\n // | | 0x200 | 32 | signature Length |\n // | | 0x220 | ** | signature Contents |\n\n // * Offsets are calculated from the beginning of the current area: Header, Params, Data:\n // An offset stored in the Params area is calculated from the beginning of the Params section.\n // An offset stored in the Data area is calculated from the beginning of the Data section.\n\n // ** The length of dynamic array contents are stored in the field immediately preceeding the contents.\n\n // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html\n\n assembly {\n\n // Areas below may use the following variables:\n // 1. Start -- Start of this area in memory\n // 2. End -- End of this area in memory. This value may\n // be precomputed (before writing contents),\n // or it may be computed as contents are written.\n // 3. Offset -- Current offset into area. If an area's End\n // is precomputed, this variable tracks the\n // offsets of contents as they are written.\n\n /////// Setup Header Area ///////\n // Load free memory pointer\n fillOrderCalldata := mload(0x40)\n // bytes4(keccak256(\"fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)\"))\n // = 0xb4be83d5\n // Leave 0x20 bytes to store the length\n mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000)\n let headerAreaEnd := add(fillOrderCalldata, 0x24)\n\n /////// Setup Params Area ///////\n // This area is preallocated and written to later.\n // This is because we need to fill in offsets that have not yet been calculated.\n let paramsAreaStart := headerAreaEnd\n let paramsAreaEnd := add(paramsAreaStart, 0x60)\n let paramsAreaOffset := paramsAreaStart\n\n /////// Setup Data Area ///////\n let dataAreaStart := paramsAreaEnd\n let dataAreaEnd := dataAreaStart\n\n // Offset from the source data we're reading from\n let sourceOffset := order\n // arrayLenBytes and arrayLenWords track the length of a dynamically-allocated bytes array.\n let arrayLenBytes := 0\n let arrayLenWords := 0\n\n /////// Write order Struct ///////\n // Write memory location of Order, relative to the start of the\n // parameter list, then increment the paramsAreaOffset respectively.\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n // Write values for each field in the order\n // It would be nice to use a loop, but we save on gas by writing\n // the stores sequentially.\n mstore(dataAreaEnd, mload(sourceOffset)) // makerAddress\n mstore(add(dataAreaEnd, 0x20), mload(add(sourceOffset, 0x20))) // takerAddress\n mstore(add(dataAreaEnd, 0x40), mload(add(sourceOffset, 0x40))) // feeRecipientAddress\n mstore(add(dataAreaEnd, 0x60), mload(add(sourceOffset, 0x60))) // senderAddress\n mstore(add(dataAreaEnd, 0x80), mload(add(sourceOffset, 0x80))) // makerAssetAmount\n mstore(add(dataAreaEnd, 0xA0), mload(add(sourceOffset, 0xA0))) // takerAssetAmount\n mstore(add(dataAreaEnd, 0xC0), mload(add(sourceOffset, 0xC0))) // makerFeeAmount\n mstore(add(dataAreaEnd, 0xE0), mload(add(sourceOffset, 0xE0))) // takerFeeAmount\n mstore(add(dataAreaEnd, 0x100), mload(add(sourceOffset, 0x100))) // expirationTimeSeconds\n mstore(add(dataAreaEnd, 0x120), mload(add(sourceOffset, 0x120))) // salt\n mstore(add(dataAreaEnd, 0x140), mload(add(sourceOffset, 0x140))) // Offset to makerAssetData\n mstore(add(dataAreaEnd, 0x160), mload(add(sourceOffset, 0x160))) // Offset to takerAssetData\n dataAreaEnd := add(dataAreaEnd, 0x180)\n sourceOffset := add(sourceOffset, 0x180)\n\n // Write offset to \n mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x140)) // makerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Write offset to \n mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x160)) // takerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n /////// Write takerAssetFillAmount ///////\n mstore(paramsAreaOffset, takerAssetFillAmount)\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n /////// Write signature ///////\n // Write offset to paramsArea\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n\n // Calculate length of signature\n sourceOffset := signature\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of signature\n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of signature\n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Set length of calldata\n mstore(fillOrderCalldata, sub(dataAreaEnd, add(fillOrderCalldata, 0x20)))\n\n // Increment free memory pointer\n mstore(0x40, dataAreaEnd)\n }\n\n return fillOrderCalldata;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\n// solhint-disable max-line-length\ncontract LibConstants {\n \n // Asset data for ZRX token. Used for fee transfers.\n // @TODO: Hardcode constant when we deploy. Currently \n // not constant to make testing easier.\n\n // The proxyId for ZRX_ASSET_DATA is bytes4(keccak256(\"ERC20Token(address)\")) = 0xf47261b0\n \n // Kovan ZRX address is 0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570.\n // The ABI encoded proxyId and address is 0xf47261b00000000000000000000000006ff6c0ff1d68b964901f986d4c9fa3ac68346570\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x6f\\xf6\\xc0\\xff\\x1d\\x68\\xb9\\x64\\x90\\x1f\\x98\\x6d\\x4c\\x9f\\xa3\\xac\\x68\\x34\\x65\\x70\";\n \n // Mainnet ZRX address is 0xe41d2489571d322189246dafa5ebde1f4699f498.\n // The ABI encoded proxyId and address is 0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xe4\\x1d\\x24\\x89\\x57\\x1d\\x32\\x21\\x89\\x24\\x6d\\xaf\\xa5\\xeb\\xde\\x1f\\x46\\x99\\xf4\\x98\";\n \n // solhint-disable-next-line var-name-mixedcase\n bytes public ZRX_ASSET_DATA;\n\n // @TODO: Remove when we deploy.\n constructor (bytes memory zrxAssetData)\n public\n {\n ZRX_ASSET_DATA = zrxAssetData;\n }\n}\n// solhint-enable max-line-length\n", + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract LibEIP712 {\n\n // EIP191 header for EIP712 prefix\n string constant internal EIP191_HEADER = \"\\x19\\x01\";\n\n // EIP712 Domain Name value\n string constant internal EIP712_DOMAIN_NAME = \"0x Protocol\";\n\n // EIP712 Domain Version value\n string constant internal EIP712_DOMAIN_VERSION = \"2\";\n\n // Hash of the EIP712 Domain Separator Schema\n bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"EIP712Domain(\",\n \"string name,\",\n \"string version,\",\n \"address verifyingContract\",\n \")\"\n ));\n\n // Hash of the EIP712 Domain Separator data\n // solhint-disable-next-line var-name-mixedcase\n bytes32 public EIP712_DOMAIN_HASH;\n\n constructor ()\n public\n {\n EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(\n EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,\n keccak256(bytes(EIP712_DOMAIN_NAME)),\n keccak256(bytes(EIP712_DOMAIN_VERSION)),\n bytes32(address(this))\n ));\n }\n\n /// @dev Calculates EIP712 encoding for a hash struct in this EIP712 Domain.\n /// @param hashStruct The EIP712 hash struct.\n /// @return EIP712 hash applied to this EIP712 Domain.\n function hashEIP712Message(bytes32 hashStruct)\n internal\n view\n returns (bytes32 result)\n {\n bytes32 eip712DomainHash = EIP712_DOMAIN_HASH;\n\n // Assembly for more efficient computing:\n // keccak256(abi.encodePacked(\n // EIP191_HEADER,\n // EIP712_DOMAIN_HASH,\n // hashStruct \n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, 0x1901000000000000000000000000000000000000000000000000000000000000) // EIP191 header\n mstore(add(memPtr, 2), eip712DomainHash) // EIP712 domain hash\n mstore(add(memPtr, 34), hashStruct) // Hash of struct\n\n // Compute hash\n result := keccak256(memPtr, 66)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity 0.4.24;\n\n\n/// @dev This contract documents the revert reasons used in the Exchange contract.\n/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons.\ncontract LibExchangeErrors {\n\n /// Order validation errors ///\n string constant ORDER_UNFILLABLE = \"ORDER_UNFILLABLE\"; // Order cannot be filled.\n string constant INVALID_MAKER = \"INVALID_MAKER\"; // Invalid makerAddress.\n string constant INVALID_TAKER = \"INVALID_TAKER\"; // Invalid takerAddress.\n string constant INVALID_SENDER = \"INVALID_SENDER\"; // Invalid `msg.sender`.\n string constant INVALID_ORDER_SIGNATURE = \"INVALID_ORDER_SIGNATURE\"; // Signature validation failed. \n \n /// fillOrder validation errors ///\n string constant INVALID_TAKER_AMOUNT = \"INVALID_TAKER_AMOUNT\"; // takerAssetFillAmount cannot equal 0.\n string constant ROUNDING_ERROR = \"ROUNDING_ERROR\"; // Rounding error greater than 0.1% of takerAssetFillAmount. \n \n /// Signature validation errors ///\n string constant INVALID_SIGNATURE = \"INVALID_SIGNATURE\"; // Signature validation failed. \n string constant SIGNATURE_ILLEGAL = \"SIGNATURE_ILLEGAL\"; // Signature type is illegal.\n string constant SIGNATURE_UNSUPPORTED = \"SIGNATURE_UNSUPPORTED\"; // Signature type unsupported.\n \n /// cancelOrdersUptTo errors ///\n string constant INVALID_NEW_ORDER_EPOCH = \"INVALID_NEW_ORDER_EPOCH\"; // Specified salt must be greater than or equal to existing orderEpoch.\n\n /// fillOrKillOrder errors ///\n string constant COMPLETE_FILL_FAILED = \"COMPLETE_FILL_FAILED\"; // Desired takerAssetFillAmount could not be completely filled. \n\n /// matchOrders errors ///\n string constant NEGATIVE_SPREAD_REQUIRED = \"NEGATIVE_SPREAD_REQUIRED\"; // Matched orders must have a negative spread.\n\n /// Transaction errors ///\n string constant REENTRANCY_ILLEGAL = \"REENTRANCY_ILLEGAL\"; // Recursive reentrancy is not allowed. \n string constant INVALID_TX_HASH = \"INVALID_TX_HASH\"; // Transaction has already been executed. \n string constant INVALID_TX_SIGNATURE = \"INVALID_TX_SIGNATURE\"; // Signature validation failed. \n string constant FAILED_EXECUTION = \"FAILED_EXECUTION\"; // Transaction execution failed. \n \n /// registerAssetProxy errors ///\n string constant ASSET_PROXY_ALREADY_EXISTS = \"ASSET_PROXY_ALREADY_EXISTS\"; // AssetProxy with same id already exists.\n\n /// dispatchTransferFrom errors ///\n string constant ASSET_PROXY_DOES_NOT_EXIST = \"ASSET_PROXY_DOES_NOT_EXIST\"; // No assetProxy registered at given id.\n string constant TRANSFER_FAILED = \"TRANSFER_FAILED\"; // Asset transfer unsuccesful.\n\n /// Length validation errors ///\n string constant LENGTH_GREATER_THAN_0_REQUIRED = \"LENGTH_GREATER_THAN_0_REQUIRED\"; // Byte array must have a length greater than 0.\n string constant LENGTH_GREATER_THAN_3_REQUIRED = \"LENGTH_GREATER_THAN_3_REQUIRED\"; // Byte array must have a length greater than 3.\n string constant LENGTH_0_REQUIRED = \"LENGTH_0_REQUIRED\"; // Byte array must have a length of 0.\n string constant LENGTH_65_REQUIRED = \"LENGTH_65_REQUIRED\"; // Byte array must have a length of 65.\n}\n", + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibFillResults is\n SafeMath\n{\n struct FillResults {\n uint256 makerAssetFilledAmount; // Total amount of makerAsset(s) filled.\n uint256 takerAssetFilledAmount; // Total amount of takerAsset(s) filled.\n uint256 makerFeePaid; // Total amount of ZRX paid by maker(s) to feeRecipient(s).\n uint256 takerFeePaid; // Total amount of ZRX paid by taker to feeRecipients(s).\n }\n\n struct MatchedFillResults {\n FillResults left; // Amounts filled and fees paid of left order.\n FillResults right; // Amounts filled and fees paid of right order.\n uint256 leftMakerAssetSpreadAmount; // Spread between price of left and right order, denominated in the left order's makerAsset, paid to taker.\n }\n\n /// @dev Adds properties of both FillResults instances.\n /// Modifies the first FillResults instance specified.\n /// @param totalFillResults Fill results instance that will be added onto.\n /// @param singleFillResults Fill results instance that will be added to totalFillResults.\n function addFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)\n internal\n pure\n {\n totalFillResults.makerAssetFilledAmount = safeAdd(totalFillResults.makerAssetFilledAmount, singleFillResults.makerAssetFilledAmount);\n totalFillResults.takerAssetFilledAmount = safeAdd(totalFillResults.takerAssetFilledAmount, singleFillResults.takerAssetFilledAmount);\n totalFillResults.makerFeePaid = safeAdd(totalFillResults.makerFeePaid, singleFillResults.makerFeePaid);\n totalFillResults.takerFeePaid = safeAdd(totalFillResults.takerFeePaid, singleFillResults.takerFeePaid);\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibMath.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibMath is\n SafeMath\n{\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function safeGetPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorFloor(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function safeGetPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorCeil(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function getPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function getPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // The absolute rounding error is the difference between the rounded\n // value and the ideal value. The relative rounding error is the\n // absolute rounding error divided by the absolute value of the\n // ideal value. This is undefined when the ideal value is zero.\n //\n // The ideal value is `numerator * target / denominator`.\n // Let's call `numerator * target % denominator` the remainder.\n // The absolute error is `remainder / denominator`.\n //\n // When the ideal value is zero, we require the absolute error to\n // be zero. Fortunately, this is always the case. The ideal value is\n // zero iff `numerator == 0` and/or `target == 0`. In this case the\n // remainder and absolute error are also zero. \n if (target == 0 || numerator == 0) {\n return false;\n }\n \n // Otherwise, we want the relative rounding error to be strictly\n // less than 0.1%.\n // The relative error is `remainder / (numerator * target)`.\n // We want the relative error less than 1 / 1000:\n // remainder / (numerator * denominator) < 1 / 1000\n // or equivalently:\n // 1000 * remainder < numerator * target\n // so we have a rounding error iff:\n // 1000 * remainder >= numerator * target\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding up.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // See the comments in `isRoundingError`.\n if (target == 0 || numerator == 0) {\n // When either is zero, the ideal value and rounded value are zero\n // and there is no rounding error. (Although the relative error\n // is undefined.)\n return false;\n }\n // Compute remainder as before\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n remainder = safeSub(denominator, remainder) % denominator;\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibOrder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./LibEIP712.sol\";\n\n\ncontract LibOrder is\n LibEIP712\n{\n // Hash for the EIP712 Order Schema\n bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"Order(\",\n \"address makerAddress,\",\n \"address takerAddress,\",\n \"address feeRecipientAddress,\",\n \"address senderAddress,\",\n \"uint256 makerAssetAmount,\",\n \"uint256 takerAssetAmount,\",\n \"uint256 makerFee,\",\n \"uint256 takerFee,\",\n \"uint256 expirationTimeSeconds,\",\n \"uint256 salt,\",\n \"bytes makerAssetData,\",\n \"bytes takerAssetData\",\n \")\"\n ));\n\n // A valid order remains fillable until it is expired, fully filled, or cancelled.\n // An order's state is unaffected by external factors, like account balances.\n enum OrderStatus {\n INVALID, // Default value\n INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount\n INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount\n FILLABLE, // Order is fillable\n EXPIRED, // Order has already expired\n FULLY_FILLED, // Order is fully filled\n CANCELLED // Order has been cancelled\n }\n\n // solhint-disable max-line-length\n struct Order {\n address makerAddress; // Address that created the order. \n address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order. \n address feeRecipientAddress; // Address that will recieve fees when order is filled. \n address senderAddress; // Address that is allowed to call Exchange contract methods that affect this order. If set to 0, any address is allowed to call these methods.\n uint256 makerAssetAmount; // Amount of makerAsset being offered by maker. Must be greater than 0. \n uint256 takerAssetAmount; // Amount of takerAsset being bid on by maker. Must be greater than 0. \n uint256 makerFee; // Amount of ZRX paid to feeRecipient by maker when order is filled. If set to 0, no transfer of ZRX from maker to feeRecipient will be attempted.\n uint256 takerFee; // Amount of ZRX paid to feeRecipient by taker when order is filled. If set to 0, no transfer of ZRX from taker to feeRecipient will be attempted.\n uint256 expirationTimeSeconds; // Timestamp in seconds at which order expires. \n uint256 salt; // Arbitrary number to facilitate uniqueness of the order's hash. \n bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.\n bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.\n }\n // solhint-enable max-line-length\n\n struct OrderInfo {\n uint8 orderStatus; // Status that describes order's validity and fillability.\n bytes32 orderHash; // EIP712 hash of the order (see LibOrder.getOrderHash).\n uint256 orderTakerAssetFilledAmount; // Amount of order that has already been filled.\n }\n\n /// @dev Calculates Keccak-256 hash of the order.\n /// @param order The order structure.\n /// @return Keccak-256 EIP712 hash of the order.\n function getOrderHash(Order memory order)\n internal\n view\n returns (bytes32 orderHash)\n {\n orderHash = hashEIP712Message(hashOrder(order));\n return orderHash;\n }\n\n /// @dev Calculates EIP712 hash of the order.\n /// @param order The order structure.\n /// @return EIP712 hash of the order.\n function hashOrder(Order memory order)\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ORDER_SCHEMA_HASH;\n bytes32 makerAssetDataHash = keccak256(order.makerAssetData);\n bytes32 takerAssetDataHash = keccak256(order.takerAssetData);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ORDER_SCHEMA_HASH,\n // bytes32(order.makerAddress),\n // bytes32(order.takerAddress),\n // bytes32(order.feeRecipientAddress),\n // bytes32(order.senderAddress),\n // order.makerAssetAmount,\n // order.takerAssetAmount,\n // order.makerFee,\n // order.takerFee,\n // order.expirationTimeSeconds,\n // order.salt,\n // keccak256(order.makerAssetData),\n // keccak256(order.takerAssetData)\n // ));\n\n assembly {\n // Calculate memory addresses that will be swapped out before hashing\n let pos1 := sub(order, 32)\n let pos2 := add(order, 320)\n let pos3 := add(order, 352)\n\n // Backup\n let temp1 := mload(pos1)\n let temp2 := mload(pos2)\n let temp3 := mload(pos3)\n \n // Hash in place\n mstore(pos1, schemaHash)\n mstore(pos2, makerAssetDataHash)\n mstore(pos3, takerAssetDataHash)\n result := keccak256(pos1, 416)\n \n // Restore\n mstore(pos1, temp1)\n mstore(pos2, temp2)\n mstore(pos3, temp3)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssetProxyDispatcher.sol\";\n\n\ncontract MAssetProxyDispatcher is\n IAssetProxyDispatcher\n{\n // Logs registration of new asset proxy\n event AssetProxyRegistered(\n bytes4 id, // Id of new registered AssetProxy.\n address assetProxy // Address of new registered AssetProxy.\n );\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IExchangeCore.sol\";\n\n\ncontract MExchangeCore is\n IExchangeCore\n{\n // Fill event is emitted whenever an order is filled.\n event Fill(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that received fees.\n address takerAddress, // Address that filled the order.\n address senderAddress, // Address that called the Exchange contract (msg.sender).\n uint256 makerAssetFilledAmount, // Amount of makerAsset sold by maker and bought by taker. \n uint256 takerAssetFilledAmount, // Amount of takerAsset sold by taker and bought by maker.\n uint256 makerFeePaid, // Amount of ZRX paid to feeRecipient by maker.\n uint256 takerFeePaid, // Amount of ZRX paid to feeRecipient by taker.\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // Cancel event is emitted whenever an individual order is cancelled.\n event Cancel(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that would have recieved fees if order was filled. \n address senderAddress, // Address that called the Exchange contract (msg.sender).\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // CancelUpTo event is emitted whenever `cancelOrdersUpTo` is executed succesfully.\n event CancelUpTo(\n address indexed makerAddress, // Orders cancelled must have been created by this address.\n address indexed senderAddress, // Orders cancelled must have a `senderAddress` equal to this address.\n uint256 orderEpoch // Orders with specified makerAddress and senderAddress with a salt less than this value are considered cancelled.\n );\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrderInternal(LibOrder.Order memory order)\n internal;\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function updateFilledState(\n LibOrder.Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n LibFillResults.FillResults memory fillResults\n )\n internal;\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n LibOrder.Order memory order,\n bytes32 orderHash\n )\n internal;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo Status, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view;\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo\n )\n internal\n view;\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n LibOrder.Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.FillResults memory fillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IMatchOrders.sol\";\n\n\ncontract MMatchOrders is\n IMatchOrders\n{\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure;\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/ISignatureValidator.sol\";\n\n\ncontract MSignatureValidator is\n ISignatureValidator\n{\n event SignatureValidatorApproval(\n address indexed signerAddress, // Address that approves or disapproves a contract to verify signatures.\n address indexed validatorAddress, // Address of signature validator contract.\n bool approved // Approval or disapproval of validator contract.\n );\n\n // Allowed signature types.\n enum SignatureType {\n Illegal, // 0x00, default value\n Invalid, // 0x01\n EIP712, // 0x02\n EthSign, // 0x03\n Wallet, // 0x04\n Validator, // 0x05\n PreSigned, // 0x06\n NSignatureTypes // 0x07, number of signature types. Always leave at end.\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"../interfaces/ITransactions.sol\";\n\n\ncontract MTransactions is\n ITransactions\n{\n // Hash for the EIP712 ZeroEx Transaction Schema\n bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"ZeroExTransaction(\",\n \"uint256 salt,\",\n \"address signerAddress,\",\n \"bytes data\",\n \")\"\n ));\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result);\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address);\n}\n", + "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IWrapperFunctions.sol\";\n\n\ncontract MWrapperFunctions is \n IWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n}\n", + "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/MintableERC20Token.sol\";\n\n\ncontract DummyERC20Token is \n Ownable,\n MintableERC20Token\n{\n string public name;\n string public symbol;\n uint256 public decimals;\n uint256 public constant MAX_MINT_AMOUNT = 10000000000000000000000;\n\n constructor (\n string _name,\n string _symbol,\n uint256 _decimals,\n uint256 _totalSupply\n )\n public\n {\n name = _name;\n symbol = _symbol;\n decimals = _decimals;\n _totalSupply = _totalSupply;\n balances[msg.sender] = _totalSupply;\n }\n\n /// @dev Sets the balance of target address\n /// @param _target Address or which balance will be updated\n /// @param _value New balance of target address\n function setBalance(address _target, uint256 _value)\n external\n onlyOwner\n {\n uint256 currBalance = balances[_target];\n if (_value < currBalance) {\n _totalSupply = safeSub(_totalSupply, safeSub(currBalance, _value));\n } else {\n _totalSupply = safeAdd(_totalSupply, safeSub(_value, currBalance));\n }\n balances[_target] = _value;\n }\n\n /// @dev Mints new tokens for sender\n /// @param _value Amount of tokens to mint\n function mint(uint256 _value)\n external\n {\n require(\n _value <= MAX_MINT_AMOUNT,\n \"VALUE_TOO_LARGE\"\n );\n\n _mint(msg.sender, _value);\n }\n}\n", + "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../tokens/ERC721Token/MintableERC721Token.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract DummyERC721Token is\n Ownable,\n MintableERC721Token\n{\n string public name;\n string public symbol;\n\n constructor (\n string _name,\n string _symbol\n )\n public\n {\n name = _name;\n symbol = _symbol;\n }\n\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function mint(address _to, uint256 _tokenId)\n external\n {\n _mint(_to, _tokenId);\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist or not called by contract owner\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function burn(address _owner, uint256 _tokenId)\n external\n onlyOwner\n {\n _burn(_owner, _tokenId);\n }\n}\n", + "2.0.0/tokens/ERC20Token/ERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC20Token.sol\";\n\n\ncontract ERC20Token is\n IERC20Token\n{\n mapping (address => uint256) internal balances;\n mapping (address => mapping (address => uint256)) internal allowed;\n\n uint256 internal _totalSupply;\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool)\n {\n require(\n balances[msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[msg.sender] -= _value;\n balances[_to] += _value;\n\n emit Transfer(\n msg.sender,\n _to,\n _value\n );\n\n return true;\n }\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowed[_from][msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n allowed[_from][msg.sender] -= _value;\n \n emit Transfer(\n _from,\n _to,\n _value\n );\n \n return true;\n }\n\n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool)\n {\n allowed[msg.sender][_spender] = _value;\n emit Approval(\n msg.sender,\n _spender,\n _value\n );\n return true;\n }\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256)\n {\n return _totalSupply;\n }\n\n /// @dev Query the balance of owner\n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n return balances[_owner];\n }\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256)\n {\n return allowed[_owner][_spender];\n }\n}\n", + "2.0.0/tokens/ERC20Token/IERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n \n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n \n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", + "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/SafeMath/SafeMath.sol\";\nimport \"./UnlimitedAllowanceERC20Token.sol\";\n\n\ncontract MintableERC20Token is \n SafeMath,\n UnlimitedAllowanceERC20Token\n{\n /// @dev Mints new tokens\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _value Amount of tokens to mint\n function _mint(address _to, uint256 _value)\n internal\n {\n balances[_to] = safeAdd(_value, balances[_to]);\n _totalSupply = safeAdd(_totalSupply, _value);\n\n emit Transfer(\n address(0),\n _to,\n _value\n );\n }\n\n /// @dev Mints new tokens\n /// @param _owner Owner of tokens that will be burned\n /// @param _value Amount of tokens to burn\n function _burn(address _owner, uint256 _value)\n internal\n {\n balances[_owner] = safeSub(balances[_owner], _value);\n _totalSupply = safeSub(_totalSupply, _value);\n\n emit Transfer(\n _owner,\n address(0),\n _value\n );\n }\n}\n", + "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/ERC20Token.sol\";\n\n\ncontract UnlimitedAllowanceERC20Token is\n ERC20Token\n{\n uint256 constant internal MAX_UINT = 2**256 - 1;\n\n /// @dev ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited allowance. See https://github.com/ethereum/EIPs/issues/717\n /// @param _from Address to transfer from.\n /// @param _to Address to transfer to.\n /// @param _value Amount to transfer.\n /// @return Success of transfer.\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n uint256 allowance = allowed[_from][msg.sender];\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowance >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n if (allowance < MAX_UINT) {\n allowed[_from][msg.sender] -= _value;\n }\n\n emit Transfer(\n _from,\n _to,\n _value\n );\n\n return true;\n }\n}\n", + "2.0.0/tokens/ERC721Token/ERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC721Token.sol\";\nimport \"./IERC721Receiver.sol\";\nimport \"../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract ERC721Token is\n IERC721Token,\n SafeMath\n{\n // Function selector for ERC721Receiver.onERC721Received\n // 0x150b7a02\n bytes4 constant internal ERC721_RECEIVED = bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"));\n\n // Mapping of tokenId => owner\n mapping (uint256 => address) internal owners;\n\n // Mapping of tokenId => approved address\n mapping (uint256 => address) internal approvals;\n\n // Mapping of owner => number of tokens owned\n mapping (address => uint256) internal balances;\n\n // Mapping of owner => operator => approved\n mapping (address => mapping (address => bool)) internal operatorApprovals;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n _data\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n \"\"\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external\n {\n address owner = ownerOf(_tokenId);\n require(\n msg.sender == owner || isApprovedForAll(owner, msg.sender),\n \"ERC721_INVALID_SENDER\"\n );\n\n approvals[_tokenId] = _approved;\n emit Approval(\n owner,\n _approved,\n _tokenId\n );\n }\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external\n {\n operatorApprovals[msg.sender][_operator] = _approved;\n emit ApprovalForAll(\n msg.sender,\n _operator,\n _approved\n );\n }\n \n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return balances[_owner];\n }\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = ownerOf(_tokenId);\n require(\n _from == owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n address spender = msg.sender;\n address approvedAddress = getApproved(_tokenId);\n require(\n spender == owner ||\n isApprovedForAll(owner, spender) ||\n approvedAddress == spender,\n \"ERC721_INVALID_SPENDER\"\n );\n\n if (approvedAddress != address(0)) {\n approvals[_tokenId] = address(0);\n }\n\n owners[_tokenId] = _to;\n balances[_from] = safeSub(balances[_from], 1);\n balances[_to] = safeAdd(balances[_to], 1);\n \n emit Transfer(\n _from,\n _to,\n _tokenId\n );\n }\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address)\n {\n address owner = owners[_tokenId];\n require(\n owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return owner;\n }\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId)\n public\n view\n returns (address)\n {\n return approvals[_tokenId];\n }\n\n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool)\n {\n return operatorApprovals[_owner][_operator];\n }\n}\n", + "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Receiver {\n\n /// @notice Handle the receipt of an NFT\n /// @dev The ERC721 smart contract calls this function on the recipient\n /// after a `transfer`. This function MAY throw to revert and reject the\n /// transfer. Return of other than the magic value MUST result in the\n /// transaction being reverted.\n /// Note: the contract address is always the message sender.\n /// @param _operator The address which called `safeTransferFrom` function\n /// @param _from The address which previously owned the token\n /// @param _tokenId The NFT identifier which is being transferred\n /// @param _data Additional data with no specified format\n /// @return `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`\n /// unless throwing\n function onERC721Received(\n address _operator,\n address _from,\n uint256 _tokenId,\n bytes _data\n )\n external\n returns (bytes4);\n}\n", + "2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Token {\n\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(\n address indexed _owner,\n address indexed _approved,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(\n address indexed _owner,\n address indexed _operator,\n bool _approved\n );\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// perator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external;\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public;\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address);\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) \n public\n view\n returns (address);\n \n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool);\n}\n", + "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./ERC721Token.sol\";\n\n\ncontract MintableERC721Token is\n ERC721Token\n{\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function _mint(address _to, uint256 _tokenId)\n internal\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == address(0),\n \"ERC721_OWNER_ALREADY_EXISTS\"\n );\n\n owners[_tokenId] = _to;\n balances[_to] = safeAdd(balances[_to], 1);\n\n emit Transfer(\n address(0),\n _to,\n _tokenId\n );\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function _burn(address _owner, uint256 _tokenId)\n internal\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == _owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n owners[_tokenId] = address(0);\n balances[_owner] = safeSub(balances[_owner], 1);\n\n emit Transfer(\n _owner,\n address(0),\n _tokenId\n );\n }\n}\n", + "2.0.0/tokens/EtherToken/IEtherToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/IERC20Token.sol\";\n\n\ncontract IEtherToken is\n IERC20Token\n{\n function deposit()\n public\n payable;\n \n function withdraw(uint256 amount)\n public;\n}\n", + "2.0.0/utils/LibBytes/LibBytes.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\nlibrary LibBytes {\n\n using LibBytes for bytes;\n\n /// @dev Gets the memory address for a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of byte array. This\n /// points to the header of the byte array which contains\n /// the length.\n function rawAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := input\n }\n return memoryAddress;\n }\n \n /// @dev Gets the memory address for the contents of a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of the contents of the byte array.\n function contentAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := add(input, 32)\n }\n return memoryAddress;\n }\n\n /// @dev Copies `length` bytes from memory location `source` to `dest`.\n /// @param dest memory address to copy bytes to.\n /// @param source memory address to copy bytes from.\n /// @param length number of bytes to copy.\n function memCopy(\n uint256 dest,\n uint256 source,\n uint256 length\n )\n internal\n pure\n {\n if (length < 32) {\n // Handle a partial word by reading destination and masking\n // off the bits we are interested in.\n // This correctly handles overlap, zero lengths and source == dest\n assembly {\n let mask := sub(exp(256, sub(32, length)), 1)\n let s := and(mload(source), not(mask))\n let d := and(mload(dest), mask)\n mstore(dest, or(s, d))\n }\n } else {\n // Skip the O(length) loop when source == dest.\n if (source == dest) {\n return;\n }\n\n // For large copies we copy whole words at a time. The final\n // word is aligned to the end of the range (instead of after the\n // previous) to handle partial words. So a copy will look like this:\n //\n // ####\n // ####\n // ####\n // ####\n //\n // We handle overlap in the source and destination range by\n // changing the copying direction. This prevents us from\n // overwriting parts of source that we still need to copy.\n //\n // This correctly handles source == dest\n //\n if (source > dest) {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because it\n // is easier to compare with in the loop, and these\n // are also the addresses we need for copying the\n // last bytes.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the last 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the last bytes in\n // source already due to overlap.\n let last := mload(sEnd)\n\n // Copy whole words front to back\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} lt(source, sEnd) {} {\n mstore(dest, mload(source))\n source := add(source, 32)\n dest := add(dest, 32)\n }\n \n // Write the last 32 bytes\n mstore(dEnd, last)\n }\n } else {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because those\n // are the starting points when copying a word at the end.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the first 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the first bytes in\n // source already due to overlap.\n let first := mload(source)\n\n // Copy whole words back to front\n // We use a signed comparisson here to allow dEnd to become\n // negative (happens when source and dest < 32). Valid\n // addresses in local memory will never be larger than\n // 2**255, so they can be safely re-interpreted as signed.\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} slt(dest, dEnd) {} {\n mstore(dEnd, mload(sEnd))\n sEnd := sub(sEnd, 32)\n dEnd := sub(dEnd, 32)\n }\n \n // Write the first 32 bytes\n mstore(dest, first)\n }\n }\n }\n }\n\n /// @dev Returns a slices from a byte array.\n /// @param b The byte array to take a slice from.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n function slice(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure and copy contents\n result = new bytes(to - from);\n memCopy(\n result.contentAddress(),\n b.contentAddress() + from,\n result.length\n );\n return result;\n }\n \n /// @dev Returns a slice from a byte array without preserving the input.\n /// @param b The byte array to take a slice from. Will be destroyed in the process.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n /// @dev When `from == 0`, the original array will match the slice. In other cases its state will be corrupted.\n function sliceDestructive(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure around [from, to) in-place.\n assembly {\n result := add(b, from)\n mstore(result, sub(to, from))\n }\n return result;\n }\n\n /// @dev Pops the last byte off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The byte that was popped off.\n function popLastByte(bytes memory b)\n internal\n pure\n returns (bytes1 result)\n {\n require(\n b.length > 0,\n \"GREATER_THAN_ZERO_LENGTH_REQUIRED\"\n );\n\n // Store last byte.\n result = b[b.length - 1];\n\n assembly {\n // Decrement length of byte array.\n let newLen := sub(mload(b), 1)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Pops the last 20 bytes off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The 20 byte address that was popped off.\n function popLast20Bytes(bytes memory b)\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= 20,\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Store last 20 bytes.\n result = readAddress(b, b.length - 20);\n\n assembly {\n // Subtract 20 from byte array length.\n let newLen := sub(mload(b), 20)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Tests equality of two byte arrays.\n /// @param lhs First byte array to compare.\n /// @param rhs Second byte array to compare.\n /// @return True if arrays are the same. False otherwise.\n function equals(\n bytes memory lhs,\n bytes memory rhs\n )\n internal\n pure\n returns (bool equal)\n {\n // Keccak gas cost is 30 + numWords * 6. This is a cheap way to compare.\n // We early exit on unequal lengths, but keccak would also correctly\n // handle this.\n return lhs.length == rhs.length && keccak256(lhs) == keccak256(rhs);\n }\n\n /// @dev Reads an address from a position in a byte array.\n /// @param b Byte array containing an address.\n /// @param index Index in byte array of address.\n /// @return address from byte array.\n function readAddress(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Read address from array memory\n assembly {\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 20-byte mask to obtain address\n result := and(mload(add(b, index)), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n return result;\n }\n\n /// @dev Writes an address into a specific position in a byte array.\n /// @param b Byte array to insert address into.\n /// @param index Index in byte array of address.\n /// @param input Address to put into byte array.\n function writeAddress(\n bytes memory b,\n uint256 index,\n address input\n )\n internal\n pure\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Store address into array memory\n assembly {\n // The address occupies 20 bytes and mstore stores 32 bytes.\n // First fetch the 32-byte word where we'll be storing the address, then\n // apply a mask so we have only the bytes in the word that the address will not occupy.\n // Then combine these bytes with the address and store the 32 bytes back to memory with mstore.\n\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 12-byte mask to obtain extra bytes occupying word of memory where we'll store the address\n let neighbors := and(\n mload(add(b, index)),\n 0xffffffffffffffffffffffff0000000000000000000000000000000000000000\n )\n \n // Make sure input address is clean.\n // (Solidity does not guarantee this)\n input := and(input, 0xffffffffffffffffffffffffffffffffffffffff)\n\n // Store the neighbors and address into memory\n mstore(add(b, index), xor(input, neighbors))\n }\n }\n\n /// @dev Reads a bytes32 value from a position in a byte array.\n /// @param b Byte array containing a bytes32 value.\n /// @param index Index in byte array of bytes32 value.\n /// @return bytes32 value from byte array.\n function readBytes32(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes32 result)\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n result := mload(add(b, index))\n }\n return result;\n }\n\n /// @dev Writes a bytes32 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes32 to put into byte array.\n function writeBytes32(\n bytes memory b,\n uint256 index,\n bytes32 input\n )\n internal\n pure\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n mstore(add(b, index), input)\n }\n }\n\n /// @dev Reads a uint256 value from a position in a byte array.\n /// @param b Byte array containing a uint256 value.\n /// @param index Index in byte array of uint256 value.\n /// @return uint256 value from byte array.\n function readUint256(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (uint256 result)\n {\n result = uint256(readBytes32(b, index));\n return result;\n }\n\n /// @dev Writes a uint256 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input uint256 to put into byte array.\n function writeUint256(\n bytes memory b,\n uint256 index,\n uint256 input\n )\n internal\n pure\n {\n writeBytes32(b, index, bytes32(input));\n }\n\n /// @dev Reads an unpadded bytes4 value from a position in a byte array.\n /// @param b Byte array containing a bytes4 value.\n /// @param index Index in byte array of bytes4 value.\n /// @return bytes4 value from byte array.\n function readBytes4(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes4 result)\n {\n require(\n b.length >= index + 4,\n \"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 32 byte length field\n index += 32;\n\n // Read the bytes4 from array memory\n assembly {\n result := mload(add(b, index))\n // Solidity does not require us to clean the trailing bytes.\n // We do it anyway\n result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)\n }\n return result;\n }\n\n /// @dev Reads nested bytes from a specific position.\n /// @dev NOTE: the returned value overlaps with the input value.\n /// Both should be treated as immutable.\n /// @param b Byte array containing nested bytes.\n /// @param index Index of nested bytes.\n /// @return result Nested bytes.\n function readBytesWithLength(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes memory result)\n {\n // Read length of nested bytes\n uint256 nestedBytesLength = readUint256(b, index);\n index += 32;\n\n // Assert length of is valid, given\n // length of nested bytes\n require(\n b.length >= index + nestedBytesLength,\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n \n // Return a pointer to the byte array as it exists inside `b`\n assembly {\n result := add(b, index)\n }\n return result;\n }\n\n /// @dev Inserts bytes at a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes to insert.\n function writeBytesWithLength(\n bytes memory b,\n uint256 index,\n bytes memory input\n )\n internal\n pure\n {\n // Assert length of is valid, given\n // length of input\n require(\n b.length >= index + 32 + input.length, // 32 bytes to store length\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n\n // Copy into \n memCopy(\n b.contentAddress() + index,\n input.rawAddress(), // includes length of \n input.length + 32 // +32 bytes to store length\n );\n }\n\n /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length.\n /// @param dest Byte array that will be overwritten with source bytes.\n /// @param source Byte array to copy onto dest bytes.\n function deepCopyBytes(\n bytes memory dest,\n bytes memory source\n )\n internal\n pure\n {\n uint256 sourceLen = source.length;\n // Dest length must be >= source length, or some bytes would not be copied.\n require(\n dest.length >= sourceLen,\n \"GREATER_OR_EQUAL_TO_SOURCE_BYTES_LENGTH_REQUIRED\"\n );\n memCopy(\n dest.contentAddress(),\n source.contentAddress(),\n sourceLen\n );\n }\n}\n", + "2.0.0/utils/Ownable/IOwnable.sol": "pragma solidity 0.4.24;\n\n\ncontract IOwnable {\n\n function transferOwnership(address newOwner)\n public;\n}\n", + "2.0.0/utils/Ownable/Ownable.sol": "pragma solidity 0.4.24;\n\nimport \"./IOwnable.sol\";\n\n\ncontract Ownable is\n IOwnable\n{\n address public owner;\n\n constructor ()\n public\n {\n owner = msg.sender;\n }\n\n modifier onlyOwner() {\n require(\n msg.sender == owner,\n \"ONLY_CONTRACT_OWNER\"\n );\n _;\n }\n\n function transferOwnership(address newOwner)\n public\n onlyOwner\n {\n if (newOwner != address(0)) {\n owner = newOwner;\n }\n }\n}\n", + "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ReentrancyGuard {\n\n // Locked state of mutex\n bool private locked = false;\n\n /// @dev Functions with this modifer cannot be reentered. The mutex will be locked\n /// before function execution and unlocked after.\n modifier nonReentrant() {\n // Ensure mutex is unlocked\n require(\n !locked,\n \"REENTRANCY_ILLEGAL\"\n );\n\n // Lock mutex before function call\n locked = true;\n\n // Perform function call\n _;\n\n // Unlock mutex after function call\n locked = false;\n }\n}\n", + "2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n\n function safeMul(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(\n c / a == b,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function safeDiv(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a / b;\n return c;\n }\n\n function safeSub(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n require(\n b <= a,\n \"UINT256_UNDERFLOW\"\n );\n return a - b;\n }\n\n function safeAdd(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a + b;\n require(\n c >= a,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function max64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n\n function max256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n}\n" + }, + "sourceTreeHashHex": "0xbd0ac9751d7681f909fd16b969568f4dfcee9893e0b084aa1b198b6bb38f8f48", + "compiler": { + "name": "solc", + "version": "soljson-v0.4.24+commit.e67f0147.js", + "settings": { + "optimizer": { + "enabled": true, + "runs": 1000000 + }, + "outputSelection": { + "*": { + "*": [ + "abi", + "evm.bytecode.object", + "evm.bytecode.sourceMap", + "evm.deployedBytecode.object", + "evm.deployedBytecode.sourceMap" + ] + } + } + } + }, + "networks": { + "3": { + "address": "0xff67881f8d12f372d91baae9752eb3631ff0ed00", + "links": {}, + "constructorArgs": "[\"0x Protocol Token\",\"ZRX\",\"18\",\"1000000000000000000000000000\"]" + }, + "42": { + "address": "0x2002d3812f58e35f0ea1ffbf80a75a38c32175fa", + "links": {}, + "constructorArgs": "[\"0x Protocol Token\",\"ZRX\",\"18\",\"1000000000000000000000000000\"]" + }, + "50": { + "address": "0x871dd7c2b4b25e1aa18728e9d5f2af4c4e431f5c", + "links": {}, + "constructorArgs": "[\"0x Protocol Token\",\"ZRX\",\"18\",\"115792089237316195423570985008687907853269984665640564039457584007913129639935\"]" + } + } +} diff --git a/packages/migrations/artifacts/2.0.0-mainnet/DummyERC721Token.json b/packages/migrations/artifacts/2.0.0-mainnet/DummyERC721Token.json new file mode 100644 index 000000000..f0363ad81 --- /dev/null +++ b/packages/migrations/artifacts/2.0.0-mainnet/DummyERC721Token.json @@ -0,0 +1,672 @@ +{ + "schemaVersion": "2.0.0", + "contractName": "DummyERC721Token", + "compilerOutput": { + "abi": [ + { + "constant": true, + "inputs": [], + "name": "name", + "outputs": [ + { + "name": "", + "type": "string" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "_tokenId", + "type": "uint256" + } + ], + "name": "getApproved", + "outputs": [ + { + "name": "", + "type": "address" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_approved", + "type": "address" + }, + { + "name": "_tokenId", + "type": "uint256" + } + ], + "name": "approve", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_from", + "type": "address" + }, + { + "name": "_to", + "type": "address" + }, + { + "name": "_tokenId", + "type": "uint256" + } + ], + "name": "transferFrom", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_to", + "type": "address" + }, + { + "name": "_tokenId", + "type": "uint256" + } + ], + "name": "mint", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_from", + "type": "address" + }, + { + "name": "_to", + "type": "address" + }, + { + "name": "_tokenId", + "type": "uint256" + } + ], + "name": "safeTransferFrom", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "_tokenId", + "type": "uint256" + } + ], + "name": "ownerOf", + "outputs": [ + { + "name": "", + "type": "address" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "_owner", + "type": "address" + } + ], + "name": "balanceOf", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "owner", + "outputs": [ + { + "name": "", + "type": "address" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "symbol", + "outputs": [ + { + "name": "", + "type": "string" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_owner", + "type": "address" + }, + { + "name": "_tokenId", + "type": "uint256" + } + ], + "name": "burn", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_operator", + "type": "address" + }, + { + "name": "_approved", + "type": "bool" + } + ], + "name": "setApprovalForAll", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_from", + "type": "address" + }, + { + "name": "_to", + "type": "address" + }, + { + "name": "_tokenId", + "type": "uint256" + }, + { + "name": "_data", + "type": "bytes" + } + ], + "name": "safeTransferFrom", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "_owner", + "type": "address" + }, + { + "name": "_operator", + "type": "address" + } + ], + "name": "isApprovedForAll", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "newOwner", + "type": "address" + } + ], + "name": "transferOwnership", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "inputs": [ + { + "name": "_name", + 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DUP3 ISZERO PUSH3 0xF1 JUMPI SWAP2 DUP3 ADD JUMPDEST DUP3 DUP2 GT ISZERO PUSH3 0xF1 JUMPI DUP3 MLOAD DUP3 SSTORE SWAP2 PUSH1 0x20 ADD SWAP2 SWAP1 PUSH1 0x1 ADD SWAP1 PUSH3 0xD4 JUMP JUMPDEST POP PUSH3 0xFF SWAP3 SWAP2 POP PUSH3 0x103 JUMP JUMPDEST POP SWAP1 JUMP JUMPDEST PUSH3 0x120 SWAP2 SWAP1 JUMPDEST DUP1 DUP3 GT ISZERO PUSH3 0xFF JUMPI PUSH1 0x0 DUP2 SSTORE PUSH1 0x1 ADD PUSH3 0x10A JUMP JUMPDEST SWAP1 JUMP JUMPDEST PUSH2 0x162B DUP1 PUSH3 0x133 PUSH1 0x0 CODECOPY PUSH1 0x0 RETURN STOP PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0xDA JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x6FDDE03 DUP2 EQ PUSH2 0xDF JUMPI DUP1 PUSH4 0x81812FC EQ PUSH2 0x169 JUMPI DUP1 PUSH4 0x95EA7B3 EQ PUSH2 0x1AA JUMPI DUP1 PUSH4 0x23B872DD EQ PUSH2 0x1DD JUMPI DUP1 PUSH4 0x40C10F19 EQ PUSH2 0x214 JUMPI DUP1 PUSH4 0x42842E0E EQ PUSH2 0x245 JUMPI DUP1 PUSH4 0x6352211E EQ PUSH2 0x27C JUMPI DUP1 PUSH4 0x70A08231 EQ PUSH2 0x294 JUMPI DUP1 PUSH4 0x8DA5CB5B EQ PUSH2 0x2D4 JUMPI DUP1 PUSH4 0x95D89B41 EQ PUSH2 0x2E9 JUMPI DUP1 PUSH4 0x9DC29FAC EQ PUSH2 0x2FE JUMPI DUP1 PUSH4 0xA22CB465 EQ PUSH2 0x32F JUMPI DUP1 PUSH4 0xB88D4FDE EQ PUSH2 0x362 JUMPI DUP1 PUSH4 0xE985E9C5 EQ PUSH2 0x3A8 JUMPI DUP1 PUSH4 0xF2FDE38B EQ PUSH2 0x3F0 JUMPI JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xEB JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xF4 PUSH2 0x41E JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 ADD SWAP1 DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x12E JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x116 JUMP JUMPDEST POP POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x15B JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x175 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x181 PUSH1 0x4 CALLDATALOAD PUSH2 0x4CA JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1B6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x4F2 JUMP JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1E9 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x616 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x220 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x977 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x251 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x985 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x288 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x181 PUSH1 0x4 CALLDATALOAD PUSH2 0xB50 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2A0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0xBE9 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2E0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x181 PUSH2 0xC98 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2F5 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xF4 PUSH2 0xCB4 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x30A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0xD2D JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x33B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD ISZERO ISZERO PUSH2 0xDBD JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x36E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 DUP1 CALLDATALOAD DUP3 AND SWAP2 PUSH1 0x24 DUP1 CALLDATALOAD SWAP1 SWAP2 AND SWAP2 PUSH1 0x44 CALLDATALOAD SWAP2 PUSH1 0x64 CALLDATALOAD SWAP1 DUP2 ADD SWAP2 ADD CALLDATALOAD PUSH2 0xE56 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3B4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x3DC PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0x103A JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3FC JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x1075 JUMP JUMPDEST PUSH1 0x5 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x4C2 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x497 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x4C2 JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x4A5 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP DUP2 JUMP JUMPDEST PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x4FD DUP3 PUSH2 0xB50 JUMP JUMPDEST SWAP1 POP CALLER PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND EQ DUP1 PUSH2 0x528 JUMPI POP PUSH2 0x528 DUP2 CALLER PUSH2 0x103A JUMP JUMPDEST ISZERO ISZERO PUSH2 0x595 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F53454E4445520000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 DUP2 AND SWAP2 DUP3 OR SWAP1 SWAP3 SSTORE SWAP2 MLOAD DUP6 SWAP4 SWAP2 DUP6 AND SWAP2 PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 SWAP2 LOG4 POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP6 AND ISZERO ISZERO PUSH2 0x69E JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F544F5F4144445245535300000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH2 0x6A7 DUP5 PUSH2 0xB50 JUMP JUMPDEST SWAP3 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 DUP2 AND SWAP1 DUP5 AND EQ PUSH2 0x730 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F4F574E45525F4D49534D415443480000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST CALLER SWAP2 POP PUSH2 0x73C DUP5 PUSH2 0x4CA JUMP JUMPDEST SWAP1 POP DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ DUP1 PUSH2 0x77D JUMPI POP PUSH2 0x77D DUP4 DUP4 PUSH2 0x103A JUMP JUMPDEST DUP1 PUSH2 0x7B3 JUMPI POP DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ JUMPDEST ISZERO ISZERO PUSH2 0x820 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F5350454E44455200000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0x871 JUMPI PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND SWAP1 SSTORE JUMPDEST PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP12 DUP2 AND SWAP2 SWAP1 SWAP2 OR SWAP1 SWAP2 SSTORE DUP11 AND DUP5 MSTORE PUSH1 0x3 SWAP1 SWAP2 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD PUSH2 0x8DB SWAP2 PUSH2 0x115B JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP9 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 SWAP4 SWAP1 SWAP4 SSTORE SWAP1 DUP8 AND DUP2 MSTORE KECCAK256 SLOAD PUSH2 0x918 SWAP1 PUSH1 0x1 PUSH2 0x11D2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP8 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 SWAP5 SWAP1 SWAP5 SSTORE SWAP3 MLOAD DUP8 SWAP4 SWAP2 SWAP3 DUP11 AND SWAP2 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP2 LOG4 POP POP POP POP POP POP JUMP JUMPDEST PUSH2 0x981 DUP3 DUP3 PUSH2 0x124D JUMP JUMPDEST POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0x993 DUP6 DUP6 DUP6 PUSH2 0x616 JUMP JUMPDEST DUP4 EXTCODESIZE SWAP2 POP PUSH1 0x0 DUP3 GT ISZERO PUSH2 0xB49 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x150B7A0200000000000000000000000000000000000000000000000000000000 DUP2 MSTORE CALLER PUSH1 0x4 DUP3 ADD MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 DUP2 AND PUSH1 0x24 DUP4 ADD MSTORE PUSH1 0x44 DUP3 ADD DUP7 SWAP1 MSTORE PUSH1 0x80 PUSH1 0x64 DUP4 ADD MSTORE PUSH1 0x0 PUSH1 0x84 DUP4 ADD DUP2 SWAP1 MSTORE SWAP3 MLOAD SWAP1 DUP8 AND SWAP3 PUSH4 0x150B7A02 SWAP3 PUSH1 0xC4 DUP1 DUP3 ADD SWAP4 PUSH1 0x20 SWAP4 SWAP1 SWAP3 DUP4 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 DUP3 SWAP1 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0xA30 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0xA44 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x20 DUP2 LT ISZERO PUSH2 0xA5A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP MLOAD PUSH1 0x40 DUP1 MLOAD PUSH32 0x6F6E455243373231526563656976656428616464726573732C61646472657373 DUP2 MSTORE PUSH32 0x2C75696E743235362C6279746573290000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x2F ADD SWAP1 KECCAK256 SWAP1 SWAP2 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP1 DUP4 AND SWAP2 AND EQ PUSH2 0xB49 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x17 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F53454C4543544F52000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP1 ISZERO ISZERO PUSH2 0xBE3 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F4F574E4552000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND ISZERO ISZERO PUSH2 0xC6F JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F4F574E4552000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD SWAP1 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x6 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x4C2 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x497 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x4C2 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xDB3 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH2 0x981 DUP3 DUP3 PUSH2 0x1425 JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP1 DUP6 MSTORE SWAP1 DUP4 MSTORE SWAP3 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND DUP7 ISZERO ISZERO SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP2 MLOAD SWAP1 DUP2 MSTORE SWAP1 MLOAD SWAP3 SWAP4 SWAP3 PUSH32 0x17307EAB39AB6107E8899845AD3D59BD9653F200F220920489CA2B5937696C31 SWAP3 SWAP2 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0xE64 DUP8 DUP8 DUP8 PUSH2 0x616 JUMP JUMPDEST DUP6 EXTCODESIZE SWAP2 POP PUSH1 0x0 DUP3 GT ISZERO PUSH2 0x1031 JUMPI PUSH1 0x40 MLOAD PUSH32 0x150B7A0200000000000000000000000000000000000000000000000000000000 DUP2 MSTORE CALLER PUSH1 0x4 DUP3 ADD DUP2 DUP2 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP11 DUP2 AND PUSH1 0x24 DUP6 ADD MSTORE PUSH1 0x44 DUP5 ADD DUP10 SWAP1 MSTORE PUSH1 0x80 PUSH1 0x64 DUP6 ADD SWAP1 DUP2 MSTORE PUSH1 0x84 DUP6 ADD DUP9 SWAP1 MSTORE SWAP1 DUP11 AND SWAP4 PUSH4 0x150B7A02 SWAP4 SWAP3 DUP13 SWAP3 DUP12 SWAP3 DUP12 SWAP3 DUP12 SWAP3 SWAP1 SWAP2 PUSH1 0xA4 ADD DUP5 DUP5 DUP1 DUP3 DUP5 CALLDATACOPY DUP3 ADD SWAP2 POP POP SWAP7 POP POP POP POP POP POP POP PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0xF18 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0xF2C JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x20 DUP2 LT ISZERO PUSH2 0xF42 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP MLOAD PUSH1 0x40 DUP1 MLOAD PUSH32 0x6F6E455243373231526563656976656428616464726573732C61646472657373 DUP2 MSTORE PUSH32 0x2C75696E743235362C6279746573290000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x2F ADD SWAP1 KECCAK256 SWAP1 SWAP2 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP1 DUP4 AND SWAP2 AND EQ PUSH2 0x1031 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x17 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F53454C4543544F52000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP POP POP POP POP POP POP JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP2 DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP4 SWAP1 SWAP5 AND DUP3 MSTORE SWAP2 SWAP1 SWAP2 MSTORE KECCAK256 SLOAD PUSH1 0xFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x10FB JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0x1158 JUMPI PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND OR SWAP1 SSTORE JUMPDEST POP JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 GT ISZERO PUSH2 0x11CC JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F554E444552464C4F57000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP SWAP1 SUB SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 ADD DUP4 DUP2 LT ISZERO PUSH2 0x1246 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND ISZERO ISZERO PUSH2 0x12D3 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F544F5F4144445245535300000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP1 ISZERO PUSH2 0x1366 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1B PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F4F574E45525F414C52454144595F4558495354530000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP10 AND SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP5 MSTORE PUSH1 0x3 SWAP1 SWAP2 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD PUSH2 0x13CC SWAP2 PUSH2 0x11D2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 SWAP4 SWAP1 SWAP4 SSTORE SWAP2 MLOAD DUP5 SWAP3 SWAP1 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP1 DUP3 SWAP1 LOG4 POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND ISZERO ISZERO PUSH2 0x14AB JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x19 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F4F574E45525F4144445245535300000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 DUP2 AND SWAP1 DUP4 AND DUP2 EQ PUSH2 0x1543 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F4F574E45525F4D49534D415443480000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND SWAP1 SSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP5 MSTORE PUSH1 0x3 SWAP1 SWAP2 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD PUSH2 0x15A5 SWAP2 PUSH2 0x115B JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 SWAP4 SWAP1 SWAP4 SSTORE SWAP2 MLOAD DUP5 SWAP3 SWAP2 SWAP1 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP1 DUP4 SWAP1 LOG4 POP POP POP JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 0xb4 CREATE 0xe9 SWAP3 RETURNDATASIZE 0xf6 DUP2 0xb3 SWAP13 PUSH22 0xC35907B3B53E3D18D5D27A56215BE103C035936A9E0 STOP 0x29 ", + "sourceMap": 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+ "opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0xDA JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x6FDDE03 DUP2 EQ PUSH2 0xDF JUMPI DUP1 PUSH4 0x81812FC EQ PUSH2 0x169 JUMPI DUP1 PUSH4 0x95EA7B3 EQ PUSH2 0x1AA JUMPI DUP1 PUSH4 0x23B872DD EQ PUSH2 0x1DD JUMPI DUP1 PUSH4 0x40C10F19 EQ PUSH2 0x214 JUMPI DUP1 PUSH4 0x42842E0E EQ PUSH2 0x245 JUMPI DUP1 PUSH4 0x6352211E EQ PUSH2 0x27C JUMPI DUP1 PUSH4 0x70A08231 EQ PUSH2 0x294 JUMPI DUP1 PUSH4 0x8DA5CB5B EQ PUSH2 0x2D4 JUMPI DUP1 PUSH4 0x95D89B41 EQ PUSH2 0x2E9 JUMPI DUP1 PUSH4 0x9DC29FAC EQ PUSH2 0x2FE JUMPI DUP1 PUSH4 0xA22CB465 EQ PUSH2 0x32F JUMPI DUP1 PUSH4 0xB88D4FDE EQ PUSH2 0x362 JUMPI DUP1 PUSH4 0xE985E9C5 EQ PUSH2 0x3A8 JUMPI DUP1 PUSH4 0xF2FDE38B EQ PUSH2 0x3F0 JUMPI JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xEB JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xF4 PUSH2 0x41E JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 ADD SWAP1 DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x12E JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x116 JUMP JUMPDEST POP POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x15B JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x175 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x181 PUSH1 0x4 CALLDATALOAD PUSH2 0x4CA JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1B6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x4F2 JUMP JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1E9 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x616 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x220 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x977 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x251 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x985 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x288 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x181 PUSH1 0x4 CALLDATALOAD PUSH2 0xB50 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2A0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0xBE9 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2E0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x181 PUSH2 0xC98 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2F5 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xF4 PUSH2 0xCB4 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x30A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0xD2D JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x33B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD ISZERO ISZERO PUSH2 0xDBD JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x36E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 DUP1 CALLDATALOAD DUP3 AND SWAP2 PUSH1 0x24 DUP1 CALLDATALOAD SWAP1 SWAP2 AND SWAP2 PUSH1 0x44 CALLDATALOAD SWAP2 PUSH1 0x64 CALLDATALOAD SWAP1 DUP2 ADD SWAP2 ADD CALLDATALOAD PUSH2 0xE56 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3B4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x3DC PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0x103A JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3FC JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x1075 JUMP JUMPDEST PUSH1 0x5 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x4C2 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x497 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x4C2 JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x4A5 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP DUP2 JUMP JUMPDEST PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x4FD DUP3 PUSH2 0xB50 JUMP JUMPDEST SWAP1 POP CALLER PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND EQ DUP1 PUSH2 0x528 JUMPI POP PUSH2 0x528 DUP2 CALLER PUSH2 0x103A JUMP JUMPDEST ISZERO ISZERO PUSH2 0x595 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F53454E4445520000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 DUP2 AND SWAP2 DUP3 OR SWAP1 SWAP3 SSTORE SWAP2 MLOAD DUP6 SWAP4 SWAP2 DUP6 AND SWAP2 PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 SWAP2 LOG4 POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP6 AND ISZERO ISZERO PUSH2 0x69E JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F544F5F4144445245535300000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH2 0x6A7 DUP5 PUSH2 0xB50 JUMP JUMPDEST SWAP3 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 DUP2 AND SWAP1 DUP5 AND EQ PUSH2 0x730 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F4F574E45525F4D49534D415443480000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST CALLER SWAP2 POP PUSH2 0x73C DUP5 PUSH2 0x4CA JUMP JUMPDEST SWAP1 POP DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ DUP1 PUSH2 0x77D JUMPI POP PUSH2 0x77D DUP4 DUP4 PUSH2 0x103A JUMP JUMPDEST DUP1 PUSH2 0x7B3 JUMPI POP DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ JUMPDEST ISZERO ISZERO PUSH2 0x820 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F5350454E44455200000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0x871 JUMPI PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND SWAP1 SSTORE JUMPDEST PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP12 DUP2 AND SWAP2 SWAP1 SWAP2 OR SWAP1 SWAP2 SSTORE DUP11 AND DUP5 MSTORE PUSH1 0x3 SWAP1 SWAP2 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD PUSH2 0x8DB SWAP2 PUSH2 0x115B JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP9 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 SWAP4 SWAP1 SWAP4 SSTORE SWAP1 DUP8 AND DUP2 MSTORE KECCAK256 SLOAD PUSH2 0x918 SWAP1 PUSH1 0x1 PUSH2 0x11D2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP8 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 SWAP5 SWAP1 SWAP5 SSTORE SWAP3 MLOAD DUP8 SWAP4 SWAP2 SWAP3 DUP11 AND SWAP2 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP2 LOG4 POP POP POP POP POP POP JUMP JUMPDEST PUSH2 0x981 DUP3 DUP3 PUSH2 0x124D JUMP JUMPDEST POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0x993 DUP6 DUP6 DUP6 PUSH2 0x616 JUMP JUMPDEST DUP4 EXTCODESIZE SWAP2 POP PUSH1 0x0 DUP3 GT ISZERO PUSH2 0xB49 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x150B7A0200000000000000000000000000000000000000000000000000000000 DUP2 MSTORE CALLER PUSH1 0x4 DUP3 ADD MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 DUP2 AND PUSH1 0x24 DUP4 ADD MSTORE PUSH1 0x44 DUP3 ADD DUP7 SWAP1 MSTORE PUSH1 0x80 PUSH1 0x64 DUP4 ADD MSTORE PUSH1 0x0 PUSH1 0x84 DUP4 ADD DUP2 SWAP1 MSTORE SWAP3 MLOAD SWAP1 DUP8 AND SWAP3 PUSH4 0x150B7A02 SWAP3 PUSH1 0xC4 DUP1 DUP3 ADD SWAP4 PUSH1 0x20 SWAP4 SWAP1 SWAP3 DUP4 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 DUP3 SWAP1 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0xA30 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0xA44 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x20 DUP2 LT ISZERO PUSH2 0xA5A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP MLOAD PUSH1 0x40 DUP1 MLOAD PUSH32 0x6F6E455243373231526563656976656428616464726573732C61646472657373 DUP2 MSTORE PUSH32 0x2C75696E743235362C6279746573290000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x2F ADD SWAP1 KECCAK256 SWAP1 SWAP2 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP1 DUP4 AND SWAP2 AND EQ PUSH2 0xB49 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x17 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F53454C4543544F52000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP1 ISZERO ISZERO PUSH2 0xBE3 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F4F574E4552000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND ISZERO ISZERO PUSH2 0xC6F JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F4F574E4552000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD SWAP1 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x6 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x4C2 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x497 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x4C2 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xDB3 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH2 0x981 DUP3 DUP3 PUSH2 0x1425 JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP1 DUP6 MSTORE SWAP1 DUP4 MSTORE SWAP3 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND DUP7 ISZERO ISZERO SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP2 MLOAD SWAP1 DUP2 MSTORE SWAP1 MLOAD SWAP3 SWAP4 SWAP3 PUSH32 0x17307EAB39AB6107E8899845AD3D59BD9653F200F220920489CA2B5937696C31 SWAP3 SWAP2 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0xE64 DUP8 DUP8 DUP8 PUSH2 0x616 JUMP JUMPDEST DUP6 EXTCODESIZE SWAP2 POP PUSH1 0x0 DUP3 GT ISZERO PUSH2 0x1031 JUMPI PUSH1 0x40 MLOAD PUSH32 0x150B7A0200000000000000000000000000000000000000000000000000000000 DUP2 MSTORE CALLER PUSH1 0x4 DUP3 ADD DUP2 DUP2 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP11 DUP2 AND PUSH1 0x24 DUP6 ADD MSTORE PUSH1 0x44 DUP5 ADD DUP10 SWAP1 MSTORE PUSH1 0x80 PUSH1 0x64 DUP6 ADD SWAP1 DUP2 MSTORE PUSH1 0x84 DUP6 ADD DUP9 SWAP1 MSTORE SWAP1 DUP11 AND SWAP4 PUSH4 0x150B7A02 SWAP4 SWAP3 DUP13 SWAP3 DUP12 SWAP3 DUP12 SWAP3 DUP12 SWAP3 SWAP1 SWAP2 PUSH1 0xA4 ADD DUP5 DUP5 DUP1 DUP3 DUP5 CALLDATACOPY DUP3 ADD SWAP2 POP POP SWAP7 POP POP POP POP POP POP POP PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0xF18 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0xF2C JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x20 DUP2 LT ISZERO PUSH2 0xF42 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP MLOAD PUSH1 0x40 DUP1 MLOAD PUSH32 0x6F6E455243373231526563656976656428616464726573732C61646472657373 DUP2 MSTORE PUSH32 0x2C75696E743235362C6279746573290000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x2F ADD SWAP1 KECCAK256 SWAP1 SWAP2 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP1 DUP4 AND SWAP2 AND EQ PUSH2 0x1031 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x17 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F53454C4543544F52000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP POP POP POP POP POP POP JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP2 DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP4 SWAP1 SWAP5 AND DUP3 MSTORE SWAP2 SWAP1 SWAP2 MSTORE KECCAK256 SLOAD PUSH1 0xFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x10FB JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0x1158 JUMPI PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND OR SWAP1 SSTORE JUMPDEST POP JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 GT ISZERO PUSH2 0x11CC JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F554E444552464C4F57000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP SWAP1 SUB SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 ADD DUP4 DUP2 LT ISZERO PUSH2 0x1246 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND ISZERO ISZERO PUSH2 0x12D3 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F544F5F4144445245535300000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP1 ISZERO PUSH2 0x1366 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1B PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F4F574E45525F414C52454144595F4558495354530000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP10 AND SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP5 MSTORE PUSH1 0x3 SWAP1 SWAP2 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD PUSH2 0x13CC SWAP2 PUSH2 0x11D2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 SWAP4 SWAP1 SWAP4 SSTORE SWAP2 MLOAD DUP5 SWAP3 SWAP1 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP1 DUP3 SWAP1 LOG4 POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND ISZERO ISZERO PUSH2 0x14AB JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x19 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F4F574E45525F4144445245535300000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 DUP2 AND SWAP1 DUP4 AND DUP2 EQ PUSH2 0x1543 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F4F574E45525F4D49534D415443480000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND SWAP1 SSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP5 MSTORE PUSH1 0x3 SWAP1 SWAP2 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD PUSH2 0x15A5 SWAP2 PUSH2 0x115B JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 SWAP4 SWAP1 SWAP4 SSTORE SWAP2 MLOAD DUP5 SWAP3 SWAP2 SWAP1 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP1 DUP4 SWAP1 LOG4 POP POP POP JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 0xb4 CREATE 0xe9 SWAP3 RETURNDATASIZE 0xf6 DUP2 0xb3 SWAP13 PUSH22 0xC35907B3B53E3D18D5D27A56215BE103C035936A9E0 STOP 0x29 ", + "sourceMap": 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+ } + } + }, + "sources": { + "2.0.0/extensions/Forwarder/Forwarder.sol": { + "id": 0 + }, + "2.0.0/extensions/Forwarder/MixinAssets.sol": { + "id": 1 + }, + "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": { + "id": 2 + }, + "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": { + "id": 3 + }, + "2.0.0/extensions/Forwarder/MixinWeth.sol": { + "id": 4 + }, + "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": { + "id": 5 + }, + "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": { + "id": 6 + }, + "2.0.0/extensions/Forwarder/libs/LibConstants.sol": { + "id": 7 + }, + "2.0.0/extensions/Forwarder/mixins/MAssets.sol": { + "id": 8 + }, + "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": { + "id": 9 + }, + "2.0.0/extensions/Forwarder/mixins/MWeth.sol": { + "id": 10 + }, + "2.0.0/extensions/OrderValidator/OrderValidator.sol": { + "id": 11 + }, + "2.0.0/multisig/MultiSigWallet.sol": { + "id": 12 + }, + "2.0.0/multisig/MultiSigWalletWithTimeLock.sol": { + "id": 13 + }, + "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": { + "id": 14 + }, + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": { + "id": 15 + }, + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": { + "id": 16 + }, + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": { + "id": 17 + }, + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": { + "id": 18 + }, + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": { + "id": 19 + }, + "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": { + "id": 20 + }, + "2.0.0/protocol/Exchange/Exchange.sol": { + "id": 21 + }, + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": { + "id": 22 + }, + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": { + "id": 23 + }, + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": { + "id": 24 + }, + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": { + "id": 25 + }, + "2.0.0/protocol/Exchange/MixinTransactions.sol": { + "id": 26 + }, + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": { + "id": 27 + }, + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": { + "id": 28 + }, + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": { + "id": 29 + }, + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": { + "id": 30 + }, + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": { + "id": 31 + }, + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": { + "id": 32 + }, + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": { + "id": 33 + }, + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": { + "id": 34 + }, + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": { + "id": 35 + }, + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": { + "id": 36 + }, + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": { + "id": 37 + }, + "2.0.0/protocol/Exchange/libs/LibConstants.sol": { + "id": 38 + }, + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": { + "id": 39 + }, + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": { + "id": 40 + }, + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": { + "id": 41 + }, + "2.0.0/protocol/Exchange/libs/LibMath.sol": { + "id": 42 + }, + "2.0.0/protocol/Exchange/libs/LibOrder.sol": { + "id": 43 + }, + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": { + "id": 44 + }, + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": { + "id": 45 + }, + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": { + "id": 46 + }, + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": { + "id": 47 + }, + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": { + "id": 48 + }, + "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": { + "id": 49 + }, + "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": { + "id": 50 + }, + "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": { + "id": 51 + }, + "2.0.0/tokens/ERC20Token/ERC20Token.sol": { + "id": 52 + }, + "2.0.0/tokens/ERC20Token/IERC20Token.sol": { + "id": 53 + }, + "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": { + "id": 54 + }, + "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": { + "id": 55 + }, + "2.0.0/tokens/ERC721Token/ERC721Token.sol": { + "id": 56 + }, + "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": { + "id": 57 + }, + "2.0.0/tokens/ERC721Token/IERC721Token.sol": { + "id": 58 + }, + "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": { + "id": 59 + }, + "2.0.0/tokens/EtherToken/IEtherToken.sol": { + "id": 60 + }, + "2.0.0/utils/LibBytes/LibBytes.sol": { + "id": 61 + }, + "2.0.0/utils/Ownable/IOwnable.sol": { + "id": 62 + }, + "2.0.0/utils/Ownable/Ownable.sol": { + "id": 63 + }, + "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": { + "id": 64 + }, + "2.0.0/utils/SafeMath/SafeMath.sol": { + "id": 65 + } + }, + "sourceCodes": { + "2.0.0/extensions/Forwarder/Forwarder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinWeth.sol\";\nimport \"./MixinForwarderCore.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinAssets.sol\";\nimport \"./MixinExchangeWrapper.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Forwarder is\n LibConstants,\n MixinWeth,\n MixinAssets,\n MixinExchangeWrapper,\n MixinForwarderCore\n{\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n LibConstants(\n _exchange,\n _zrxAssetData,\n _wethAssetData\n )\n MixinForwarderCore()\n {}\n}\n", + "2.0.0/extensions/Forwarder/MixinAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MAssets.sol\";\n\n\ncontract MixinAssets is\n Ownable,\n LibConstants,\n MAssets\n{\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256(\"transfer(address,uint256)\"));\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external\n onlyOwner\n {\n transferAssetToSender(assetData, amount);\n }\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n bytes4 proxyId = assetData.readBytes4(0);\n\n if (proxyId == ERC20_DATA_ID) {\n transferERC20Token(assetData, amount);\n } else if (proxyId == ERC721_DATA_ID) {\n transferERC721Token(assetData, amount);\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n }\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n address token = assetData.readAddress(16);\n\n // Transfer tokens.\n // We do a raw call so we can check the success separate\n // from the return data.\n bool success = token.call(abi.encodeWithSelector(\n ERC20_TRANSFER_SELECTOR,\n msg.sender,\n amount\n ));\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n \n // Check return data.\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // value that evaluates to true.\n assembly {\n if returndatasize {\n success := 0\n if eq(returndatasize, 32) {\n // First 64 bytes of memory are reserved scratch space\n returndatacopy(0, 0, 32)\n success := mload(0)\n }\n }\n }\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n }\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n require(\n amount == 1,\n \"INVALID_AMOUNT\"\n );\n // Decode asset data.\n address token = assetData.readAddress(16);\n uint256 tokenId = assetData.readUint256(36);\n\n // Perform transfer.\n IERC721Token(token).transferFrom(\n address(this),\n msg.sender,\n tokenId\n );\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"../../protocol/Exchange/libs/LibAbiEncoder.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinExchangeWrapper is\n LibAbiEncoder,\n LibFillResults,\n LibMath,\n LibConstants,\n MExchangeWrapper\n{\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n address exchange = address(EXCHANGE);\n\n // Call `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := call(\n gas, // forward all gas\n exchange, // call address of Exchange contract\n 0, // transfer 0 wei\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of WETH to sell\n uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of WETH\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount;\n if (makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n\n require(\n makerAssetFilledAmount >= makerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n // Do nothing if zrxBuyAmount == 0\n if (zrxBuyAmount == 0) {\n return totalFillResults;\n }\n\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n uint256 zrxPurchased = 0;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // All of these are ZRX/WETH, so we can drop the respective assetData from calldata.\n orders[i].makerAssetData = zrxAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of ZRX to buy.\n uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased);\n\n // Convert the remaining amount of ZRX to buy into remaining amount\n // of WETH to sell, assuming entire amount can be sold in the current order.\n uint256 remainingWethSellAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees \n remainingZrxBuyAmount\n );\n\n // Attempt to sell the remaining amount of WETH.\n FillResults memory singleFillResult = fillOrderNoThrow(\n orders[i],\n safeAdd(remainingWethSellAmount, 1), // we add 1 wei to the fill amount to make up for rounding errors\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker.\n addFillResults(totalFillResults, singleFillResult);\n zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid);\n\n // Stop execution if the entire amount of ZRX has been bought.\n if (zrxPurchased >= zrxBuyAmount) {\n break;\n }\n }\n\n require(\n zrxPurchased >= zrxBuyAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\nimport \"./mixins/MAssets.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"./interfaces/IForwarderCore.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinForwarderCore is\n LibFillResults,\n LibMath,\n LibConstants,\n MWeth,\n MAssets,\n MExchangeWrapper,\n IForwarderCore\n{\n using LibBytes for bytes;\n\n /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf.\n constructor ()\n public\n {\n address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID);\n require(\n proxyAddress != address(0),\n \"UNREGISTERED_ASSET_PROXY\"\n );\n ETHER_TOKEN.approve(proxyAddress, MAX_UINT);\n ZRX_TOKEN.approve(proxyAddress, MAX_UINT);\n }\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 wethSellAmount;\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // Calculate amount of WETH that won't be spent on ETH fees.\n wethSellAmount = getPartialAmountFloor(\n PERCENTAGE_DENOMINATOR,\n safeAdd(PERCENTAGE_DENOMINATOR, feePercentage),\n msg.value\n );\n // Market sell available WETH.\n // ZRX fees are paid with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // 5% of WETH is reserved for filling feeOrders and paying feeRecipient.\n wethSellAmount = getPartialAmountFloor(\n MAX_WETH_FILL_PERCENTAGE,\n PERCENTAGE_DENOMINATOR,\n msg.value\n );\n // Market sell 95% of WETH.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // If the makerAsset is ZRX, it is not necessary to pay fees out of this\n // contracts's ZRX balance because fees are factored into the price of the order.\n orderFillResults = marketBuyExactZrxWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // Attemp to purchase desired amount of makerAsset.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketBuyExactAmountWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\n\n\ncontract MixinWeth is\n LibMath,\n LibConstants,\n MWeth\n{\n /// @dev Default payabale function, this allows us to withdraw WETH\n function ()\n public\n payable\n {\n require(\n msg.sender == address(ETHER_TOKEN),\n \"DEFAULT_FUNCTION_WETH_CONTRACT_ONLY\"\n );\n }\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal\n {\n require(\n msg.value > 0,\n \"INVALID_MSG_VALUE\"\n );\n ETHER_TOKEN.deposit.value(msg.value)();\n }\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal\n {\n // Ensure feePercentage is less than 5%.\n require(\n feePercentage <= MAX_FEE_PERCENTAGE,\n \"FEE_PERCENTAGE_TOO_LARGE\"\n );\n\n // Ensure that no extra WETH owned by this contract has been sold.\n uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx);\n require(\n wethSold <= msg.value,\n \"OVERSOLD_WETH\"\n );\n\n // Calculate amount of WETH that hasn't been sold.\n uint256 wethRemaining = safeSub(msg.value, wethSold);\n\n // Calculate ETH fee to pay to feeRecipient.\n uint256 ethFee = getPartialAmountFloor(\n feePercentage,\n PERCENTAGE_DENOMINATOR,\n wethSoldExcludingFeeOrders\n );\n\n // Ensure fee is less than amount of WETH remaining.\n require(\n ethFee <= wethRemaining,\n \"INSUFFICIENT_ETH_REMAINING\"\n );\n \n // Do nothing if no WETH remaining\n if (wethRemaining > 0) {\n // Convert remaining WETH to ETH\n ETHER_TOKEN.withdraw(wethRemaining);\n\n // Pay ETH to feeRecipient\n if (ethFee > 0) {\n feeRecipient.transfer(ethFee);\n }\n\n // Refund remaining ETH to msg.sender.\n uint256 ethRefund = safeSub(wethRemaining, ethFee);\n if (ethRefund > 0) {\n msg.sender.transfer(ethRefund);\n }\n }\n }\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssets {\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external;\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract IForwarderCore {\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n}\n", + "2.0.0/extensions/Forwarder/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/LibBytes/LibBytes.sol\";\nimport \"../../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../../tokens/EtherToken/IEtherToken.sol\";\nimport \"../../../tokens/ERC20Token/IERC20Token.sol\";\n\n\ncontract LibConstants {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n uint256 constant internal MAX_UINT = 2**256 - 1;\n uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; \n uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5%\n uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95%\n \n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n IEtherToken internal ETHER_TOKEN;\n IERC20Token internal ZRX_TOKEN;\n bytes internal ZRX_ASSET_DATA;\n bytes internal WETH_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n WETH_ASSET_DATA = _wethAssetData;\n\n address etherToken = _wethAssetData.readAddress(16);\n address zrxToken = _zrxAssetData.readAddress(16);\n ETHER_TOKEN = IEtherToken(etherToken);\n ZRX_TOKEN = IERC20Token(zrxToken);\n }\n}\n", + "2.0.0/extensions/Forwarder/mixins/MAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssets.sol\";\n\n\ncontract MAssets is\n IAssets\n{\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract MExchangeWrapper {\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n}\n", + "2.0.0/extensions/Forwarder/mixins/MWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract MWeth {\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal;\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal;\n}\n", + "2.0.0/extensions/OrderValidator/OrderValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract OrderValidator {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n struct TraderInfo {\n uint256 makerBalance; // Maker's balance of makerAsset\n uint256 makerAllowance; // Maker's allowance to corresponding AssetProxy\n uint256 takerBalance; // Taker's balance of takerAsset\n uint256 takerAllowance; // Taker's allowance to corresponding AssetProxy\n uint256 makerZrxBalance; // Maker's balance of ZRX\n uint256 makerZrxAllowance; // Maker's allowance of ZRX to ERC20Proxy\n uint256 takerZrxBalance; // Taker's balance of ZRX\n uint256 takerZrxAllowance; // Taker's allowance of ZRX to ERC20Proxy\n }\n\n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n bytes internal ZRX_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (address _exchange, bytes memory _zrxAssetData)\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n }\n\n /// @dev Fetches information for order and maker/taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return OrderInfo and TraderInfo instances for given order.\n function getOrderAndTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo, TraderInfo memory traderInfo)\n {\n orderInfo = EXCHANGE.getOrderInfo(order);\n traderInfo = getTraderInfo(order, takerAddress);\n return (orderInfo, traderInfo);\n }\n\n /// @dev Fetches information for all passed in orders and the makers/takers of each order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Arrays of OrderInfo and TraderInfo instances that correspond to each order.\n function getOrdersAndTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (LibOrder.OrderInfo[] memory ordersInfo, TraderInfo[] memory tradersInfo)\n {\n ordersInfo = EXCHANGE.getOrdersInfo(orders);\n tradersInfo = getTradersInfo(orders, takerAddresses);\n return (ordersInfo, tradersInfo);\n }\n\n /// @dev Fetches balance and allowances for maker and taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return Balances and allowances of maker and taker of order.\n function getTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (TraderInfo memory traderInfo)\n {\n (traderInfo.makerBalance, traderInfo.makerAllowance) = getBalanceAndAllowance(order.makerAddress, order.makerAssetData);\n (traderInfo.takerBalance, traderInfo.takerAllowance) = getBalanceAndAllowance(takerAddress, order.takerAssetData);\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n (traderInfo.makerZrxBalance, traderInfo.makerZrxAllowance) = getBalanceAndAllowance(order.makerAddress, zrxAssetData);\n (traderInfo.takerZrxBalance, traderInfo.takerZrxAllowance) = getBalanceAndAllowance(takerAddress, zrxAssetData);\n return traderInfo;\n }\n\n /// @dev Fetches balances and allowances of maker and taker for each provided order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Array of balances and allowances for maker and taker of each order.\n function getTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (TraderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n TraderInfo[] memory tradersInfo = new TraderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n tradersInfo[i] = getTraderInfo(orders[i], takerAddresses[i]);\n }\n return tradersInfo;\n }\n\n /// @dev Fetches token balances and allowances of an address to given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Encoded data that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balance of asset and allowance set to given proxy of asset.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalanceAndAllowance(address target, bytes memory assetData)\n public\n view\n returns (uint256 balance, uint256 allowance)\n {\n bytes4 assetProxyId = assetData.readBytes4(0);\n address token = assetData.readAddress(16);\n address assetProxy = EXCHANGE.getAssetProxy(assetProxyId);\n\n if (assetProxyId == ERC20_DATA_ID) {\n // Query balance\n balance = IERC20Token(token).balanceOf(target);\n\n // Query allowance\n allowance = IERC20Token(token).allowance(target, assetProxy);\n } else if (assetProxyId == ERC721_DATA_ID) {\n uint256 tokenId = assetData.readUint256(36);\n\n // Query owner of tokenId\n address owner = getERC721TokenOwner(token, tokenId);\n\n // Set balance to 1 if tokenId is owned by target\n balance = target == owner ? 1 : 0;\n\n // Check if ERC721Proxy is approved to spend tokenId\n bool isApproved = IERC721Token(token).isApprovedForAll(target, assetProxy) || IERC721Token(token).getApproved(tokenId) == assetProxy;\n \n // Set alowance to 1 if ERC721Proxy is approved to spend tokenId\n allowance = isApproved ? 1 : 0;\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n return (balance, allowance);\n }\n\n /// @dev Fetches token balances and allowances of an address for each given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Array of encoded byte arrays that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balances and allowances of assets.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalancesAndAllowances(address target, bytes[] memory assetData)\n public\n view\n returns (uint256[] memory, uint256[] memory)\n {\n uint256 length = assetData.length;\n uint256[] memory balances = new uint256[](length);\n uint256[] memory allowances = new uint256[](length);\n for (uint256 i = 0; i != length; i++) {\n (balances[i], allowances[i]) = getBalanceAndAllowance(target, assetData[i]);\n }\n return (balances, allowances);\n }\n\n /// @dev Calls `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token.\n /// @param token Address of ERC721 token.\n /// @param tokenId The identifier for the specific NFT.\n /// @return Owner of tokenId or null address if unowned.\n function getERC721TokenOwner(address token, uint256 tokenId)\n public\n view\n returns (address owner)\n {\n assembly {\n // load free memory pointer\n let cdStart := mload(64)\n\n // bytes4(keccak256(ownerOf(uint256))) = 0x6352211e\n mstore(cdStart, 0x6352211e00000000000000000000000000000000000000000000000000000000)\n mstore(add(cdStart, 4), tokenId)\n\n // staticcall `ownerOf(tokenId)`\n // `ownerOf` will revert if tokenId is not owned\n let success := staticcall(\n gas, // forward all gas\n token, // call token contract\n cdStart, // start of calldata\n 36, // length of input is 36 bytes\n cdStart, // write output over input\n 32 // size of output is 32 bytes\n )\n\n // Success implies that tokenId is owned\n // Copy owner from return data if successful\n if success {\n owner := mload(cdStart)\n } \n }\n\n // Owner initialized to address(0), no need to modify if call is unsuccessful\n return owner;\n }\n}\n", + "2.0.0/multisig/MultiSigWallet.sol": "// solhint-disable\npragma solidity ^0.4.15;\n\n\n/// @title Multisignature wallet - Allows multiple parties to agree on transactions before execution.\n/// @author Stefan George - \ncontract MultiSigWallet {\n\n /*\n * Events\n */\n event Confirmation(address indexed sender, uint indexed transactionId);\n event Revocation(address indexed sender, uint indexed transactionId);\n event Submission(uint indexed transactionId);\n event Execution(uint indexed transactionId);\n event ExecutionFailure(uint indexed transactionId);\n event Deposit(address indexed sender, uint value);\n event OwnerAddition(address indexed owner);\n event OwnerRemoval(address indexed owner);\n event RequirementChange(uint required);\n\n /*\n * Constants\n */\n uint constant public MAX_OWNER_COUNT = 50;\n\n /*\n * Storage\n */\n mapping (uint => Transaction) public transactions;\n mapping (uint => mapping (address => bool)) public confirmations;\n mapping (address => bool) public isOwner;\n address[] public owners;\n uint public required;\n uint public transactionCount;\n\n struct Transaction {\n address destination;\n uint value;\n bytes data;\n bool executed;\n }\n\n /*\n * Modifiers\n */\n modifier onlyWallet() {\n require(msg.sender == address(this));\n _;\n }\n\n modifier ownerDoesNotExist(address owner) {\n require(!isOwner[owner]);\n _;\n }\n\n modifier ownerExists(address owner) {\n require(isOwner[owner]);\n _;\n }\n\n modifier transactionExists(uint transactionId) {\n require(transactions[transactionId].destination != 0);\n _;\n }\n\n modifier confirmed(uint transactionId, address owner) {\n require(confirmations[transactionId][owner]);\n _;\n }\n\n modifier notConfirmed(uint transactionId, address owner) {\n require(!confirmations[transactionId][owner]);\n _;\n }\n\n modifier notExecuted(uint transactionId) {\n require(!transactions[transactionId].executed);\n _;\n }\n\n modifier notNull(address _address) {\n require(_address != 0);\n _;\n }\n\n modifier validRequirement(uint ownerCount, uint _required) {\n require(ownerCount <= MAX_OWNER_COUNT\n && _required <= ownerCount\n && _required != 0\n && ownerCount != 0);\n _;\n }\n\n /// @dev Fallback function allows to deposit ether.\n function()\n payable\n {\n if (msg.value > 0)\n Deposit(msg.sender, msg.value);\n }\n\n /*\n * Public functions\n */\n /// @dev Contract constructor sets initial owners and required number of confirmations.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n function MultiSigWallet(address[] _owners, uint _required)\n public\n validRequirement(_owners.length, _required)\n {\n for (uint i=0; i<_owners.length; i++) {\n require(!isOwner[_owners[i]] && _owners[i] != 0);\n isOwner[_owners[i]] = true;\n }\n owners = _owners;\n required = _required;\n }\n\n /// @dev Allows to add a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of new owner.\n function addOwner(address owner)\n public\n onlyWallet\n ownerDoesNotExist(owner)\n notNull(owner)\n validRequirement(owners.length + 1, required)\n {\n isOwner[owner] = true;\n owners.push(owner);\n OwnerAddition(owner);\n }\n\n /// @dev Allows to remove an owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner.\n function removeOwner(address owner)\n public\n onlyWallet\n ownerExists(owner)\n {\n isOwner[owner] = false;\n for (uint i=0; i owners.length)\n changeRequirement(owners.length);\n OwnerRemoval(owner);\n }\n\n /// @dev Allows to replace an owner with a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner to be replaced.\n /// @param newOwner Address of new owner.\n function replaceOwner(address owner, address newOwner)\n public\n onlyWallet\n ownerExists(owner)\n ownerDoesNotExist(newOwner)\n {\n for (uint i=0; i\n// solhint-disable not-rely-on-time\ncontract MultiSigWalletWithTimeLock is\n MultiSigWallet\n{\n event ConfirmationTimeSet(uint256 indexed transactionId, uint256 confirmationTime);\n event TimeLockChange(uint256 secondsTimeLocked);\n\n uint256 public secondsTimeLocked;\n\n mapping (uint256 => uint256) public confirmationTimes;\n\n modifier notFullyConfirmed(uint256 transactionId) {\n require(\n !isConfirmed(transactionId),\n \"TX_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier fullyConfirmed(uint256 transactionId) {\n require(\n isConfirmed(transactionId),\n \"TX_NOT_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier pastTimeLock(uint256 transactionId) {\n require(\n block.timestamp >= confirmationTimes[transactionId] + secondsTimeLocked,\n \"TIME_LOCK_INCOMPLETE\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations, and time lock.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] _owners,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWallet(_owners, _required)\n {\n secondsTimeLocked = _secondsTimeLocked;\n }\n\n /// @dev Changes the duration of the time lock for transactions.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n function changeTimeLock(uint256 _secondsTimeLocked)\n public\n onlyWallet\n {\n secondsTimeLocked = _secondsTimeLocked;\n emit TimeLockChange(_secondsTimeLocked);\n }\n\n /// @dev Allows an owner to confirm a transaction.\n /// @param transactionId Transaction ID.\n function confirmTransaction(uint256 transactionId)\n public\n ownerExists(msg.sender)\n transactionExists(transactionId)\n notConfirmed(transactionId, msg.sender)\n notFullyConfirmed(transactionId)\n {\n confirmations[transactionId][msg.sender] = true;\n emit Confirmation(msg.sender, transactionId);\n if (isConfirmed(transactionId)) {\n setConfirmationTime(transactionId, block.timestamp);\n }\n }\n\n /// @dev Allows anyone to execute a confirmed transaction.\n /// @param transactionId Transaction ID.\n function executeTransaction(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n pastTimeLock(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n\n /// @dev Sets the time of when a submission first passed.\n function setConfirmationTime(uint256 transactionId, uint256 confirmationTime)\n internal\n {\n confirmationTimes[transactionId] = confirmationTime;\n emit ConfirmationTimeSet(transactionId, confirmationTime);\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC20Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n \n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 1 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n\n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. amount |\n\n /////// Read token address from calldata ///////\n // * The token address is stored in `assetData`.\n //\n // * The \"offset to assetData\" is stored at offset 4 in the calldata (table 1).\n // [assetDataOffsetFromParams = calldataload(4)]\n //\n // * Notes that the \"offset to assetData\" is relative to the \"Params\" area of calldata;\n // add 4 bytes to account for the length of the \"Header\" area (table 1).\n // [assetDataOffsetFromHeader = assetDataOffsetFromParams + 4]\n //\n // * The \"token address\" is offset 32+4=36 bytes into \"assetData\" (tables 1 & 2).\n // [tokenOffset = assetDataOffsetFromHeader + 36 = calldataload(4) + 4 + 36]\n let token := calldataload(add(calldataload(4), 40))\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from`, `to` and `amount` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 96)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output over input\n 32 // output size should be 32 bytes\n )\n\n /////// Check return data. ///////\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // nonzero 32 bytes value.\n // So the transfer succeeded if the call succeeded and either\n // returned nothing, or returned a non-zero 32 byte value. \n success := and(success, or(\n iszero(returndatasize),\n and(\n eq(returndatasize, 32),\n gt(mload(0), 0)\n )\n ))\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC721Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 2 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n // | | 36 | | 2. tokenId |\n \n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. tokenId |\n\n // There exists only 1 of each token.\n // require(amount == 1, \"INVALID_AMOUNT\")\n if sub(calldataload(100), 1) {\n // Revert with `Error(\"INVALID_AMOUNT\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from` and `to` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 64)\n\n // Copy `tokenId` field from our own calldata to the new calldata.\n let assetDataOffset := calldataload(4)\n calldatacopy(68, add(assetDataOffset, 72), 32)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let token := calldataload(add(assetDataOffset, 40))\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output to null\n 0 // output size is 0 bytes\n )\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAuthorizable.sol\";\n\n\ncontract MixinAuthorizable is\n Ownable,\n MAuthorizable\n{\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized {\n require(\n authorized[msg.sender],\n \"SENDER_NOT_AUTHORIZED\"\n );\n _;\n }\n\n mapping (address => bool) public authorized;\n address[] public authorities;\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n !authorized[target],\n \"TARGET_ALREADY_AUTHORIZED\"\n );\n\n authorized[target] = true;\n authorities.push(target);\n emit AuthorizedAddressAdded(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n\n delete authorized[target];\n for (uint256 i = 0; i < authorities.length; i++) {\n if (authorities[i] == target) {\n authorities[i] = authorities[authorities.length - 1];\n authorities.length -= 1;\n break;\n }\n }\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n require(\n index < authorities.length,\n \"INDEX_OUT_OF_BOUNDS\"\n );\n require(\n authorities[index] == target,\n \"AUTHORIZED_ADDRESS_MISMATCH\"\n );\n\n delete authorized[target];\n authorities[index] = authorities[authorities.length - 1];\n authorities.length -= 1;\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory)\n {\n return authorities;\n }\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IAuthorizable.sol\";\n\n\ncontract IAssetProxy is\n IAuthorizable\n{\n /// @dev Transfers assets. Either succeeds or throws.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n function transferFrom(\n bytes assetData,\n address from,\n address to,\n uint256 amount\n )\n external;\n \n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4);\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/Ownable/IOwnable.sol\";\n\n\ncontract IAuthorizable is\n IOwnable\n{\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external;\n \n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory);\n}\n", + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAuthorizable.sol\";\n\n\ncontract MAuthorizable is\n IAuthorizable\n{\n // Event logged when a new address is authorized.\n event AuthorizedAddressAdded(\n address indexed target,\n address indexed caller\n );\n\n // Event logged when a currently authorized address is unauthorized.\n event AuthorizedAddressRemoved(\n address indexed target,\n address indexed caller\n );\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized { revert(); _; }\n}\n", + "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../multisig/MultiSigWalletWithTimeLock.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract AssetProxyOwner is\n MultiSigWalletWithTimeLock\n{\n using LibBytes for bytes;\n\n event AssetProxyRegistration(address assetProxyContract, bool isRegistered);\n\n // Mapping of AssetProxy contract address =>\n // if this contract is allowed to call the AssetProxy's `removeAuthorizedAddressAtIndex` method without a time lock.\n mapping (address => bool) public isAssetProxyRegistered;\n\n bytes4 constant internal REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR = bytes4(keccak256(\"removeAuthorizedAddressAtIndex(address,uint256)\"));\n\n /// @dev Function will revert if the transaction does not call `removeAuthorizedAddressAtIndex`\n /// on an approved AssetProxy contract.\n modifier validRemoveAuthorizedAddressAtIndexTx(uint256 transactionId) {\n Transaction storage txn = transactions[transactionId];\n require(\n isAssetProxyRegistered[txn.destination],\n \"UNREGISTERED_ASSET_PROXY\"\n );\n require(\n txn.data.readBytes4(0) == REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR,\n \"INVALID_FUNCTION_SELECTOR\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations,\n /// time lock, and list of AssetProxy addresses.\n /// @param _owners List of initial owners.\n /// @param _assetProxyContracts Array of AssetProxy contract addresses.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] memory _owners,\n address[] memory _assetProxyContracts,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWalletWithTimeLock(_owners, _required, _secondsTimeLocked)\n {\n for (uint256 i = 0; i < _assetProxyContracts.length; i++) {\n address assetProxy = _assetProxyContracts[i];\n require(\n assetProxy != address(0),\n \"INVALID_ASSET_PROXY\"\n );\n isAssetProxyRegistered[assetProxy] = true;\n }\n }\n\n /// @dev Registers or deregisters an AssetProxy to be able to execute\n /// `removeAuthorizedAddressAtIndex` without a timelock.\n /// @param assetProxyContract Address of AssetProxy contract.\n /// @param isRegistered Status of approval for AssetProxy contract.\n function registerAssetProxy(address assetProxyContract, bool isRegistered)\n public\n onlyWallet\n notNull(assetProxyContract)\n {\n isAssetProxyRegistered[assetProxyContract] = isRegistered;\n emit AssetProxyRegistration(assetProxyContract, isRegistered);\n }\n\n /// @dev Allows execution of `removeAuthorizedAddressAtIndex` without time lock.\n /// @param transactionId Transaction ID.\n function executeRemoveAuthorizedAddressAtIndex(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n validRemoveAuthorizedAddressAtIndexTx(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n}\n", + "2.0.0/protocol/Exchange/Exchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinExchangeCore.sol\";\nimport \"./MixinSignatureValidator.sol\";\nimport \"./MixinWrapperFunctions.sol\";\nimport \"./MixinAssetProxyDispatcher.sol\";\nimport \"./MixinTransactions.sol\";\nimport \"./MixinMatchOrders.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Exchange is\n MixinExchangeCore,\n MixinMatchOrders,\n MixinSignatureValidator,\n MixinTransactions,\n MixinAssetProxyDispatcher,\n MixinWrapperFunctions\n{\n string constant public VERSION = \"2.0.1-alpha\";\n\n // Mixins are instantiated in the order they are inherited\n constructor (bytes memory _zrxAssetData)\n public\n LibConstants(_zrxAssetData) // @TODO: Remove when we deploy.\n MixinExchangeCore()\n MixinMatchOrders()\n MixinSignatureValidator()\n MixinTransactions()\n MixinAssetProxyDispatcher()\n MixinWrapperFunctions()\n {}\n}\n", + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\nimport \"../AssetProxy/interfaces/IAssetProxy.sol\";\n\n\ncontract MixinAssetProxyDispatcher is\n Ownable,\n MAssetProxyDispatcher\n{\n // Mapping from Asset Proxy Id's to their respective Asset Proxy\n mapping (bytes4 => IAssetProxy) public assetProxies;\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external\n onlyOwner\n {\n IAssetProxy assetProxyContract = IAssetProxy(assetProxy);\n\n // Ensure that no asset proxy exists with current id.\n bytes4 assetProxyId = assetProxyContract.getProxyId();\n address currentAssetProxy = assetProxies[assetProxyId];\n require(\n currentAssetProxy == address(0),\n \"ASSET_PROXY_ALREADY_EXISTS\"\n );\n\n // Add asset proxy and log registration.\n assetProxies[assetProxyId] = assetProxyContract;\n emit AssetProxyRegistered(\n assetProxyId,\n assetProxy\n );\n }\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address)\n {\n return assetProxies[assetProxyId];\n }\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal\n {\n // Do nothing if no amount should be transferred.\n if (amount > 0 && from != to) {\n // Ensure assetData length is valid\n require(\n assetData.length > 3,\n \"LENGTH_GREATER_THAN_3_REQUIRED\"\n );\n \n // Lookup assetProxy. We do not use `LibBytes.readBytes4` for gas efficiency reasons.\n bytes4 assetProxyId;\n assembly {\n assetProxyId := and(mload(\n add(assetData, 32)),\n 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000\n )\n }\n address assetProxy = assetProxies[assetProxyId];\n\n // Ensure that assetProxy exists\n require(\n assetProxy != address(0),\n \"ASSET_PROXY_DOES_NOT_EXIST\"\n );\n \n // We construct calldata for the `assetProxy.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n\n assembly {\n /////// Setup State ///////\n // `cdStart` is the start of the calldata for `assetProxy.transferFrom` (equal to free memory ptr).\n let cdStart := mload(64)\n // `dataAreaLength` is the total number of words needed to store `assetData`\n // As-per the ABI spec, this value is padded up to the nearest multiple of 32,\n // and includes 32-bytes for length.\n let dataAreaLength := and(add(mload(assetData), 63), 0xFFFFFFFFFFFE0)\n // `cdEnd` is the end of the calldata for `assetProxy.transferFrom`.\n let cdEnd := add(cdStart, add(132, dataAreaLength))\n\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFromSelector`.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes.\n // Notes:\n // 1. The offset to `assetData` is the length of the Params Area (128 bytes).\n // 2. A 20-byte mask is applied to addresses to zero-out the unused bytes.\n mstore(add(cdStart, 4), 128)\n mstore(add(cdStart, 36), and(from, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 68), and(to, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 100), amount)\n \n /////// Setup Data Area ///////\n // This area holds `assetData`.\n let dataArea := add(cdStart, 132)\n // solhint-disable-next-line no-empty-blocks\n for {} lt(dataArea, cdEnd) {} {\n mstore(dataArea, mload(assetData))\n dataArea := add(dataArea, 32)\n assetData := add(assetData, 32)\n }\n\n /////// Call `assetProxy.transferFrom` using the constructed calldata ///////\n let success := call(\n gas, // forward all gas\n assetProxy, // call address of asset proxy\n 0, // don't send any ETH\n cdStart, // pointer to start of input\n sub(cdEnd, cdStart), // length of input \n cdStart, // write output over input\n 512 // reserve 512 bytes for output\n )\n if iszero(success) {\n revert(cdStart, returndatasize())\n }\n }\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinExchangeCore is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n LibOrder,\n LibFillResults,\n MAssetProxyDispatcher,\n MExchangeCore,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of orderHash => amount of takerAsset already bought by maker\n mapping (bytes32 => uint256) public filled;\n\n // Mapping of orderHash => cancelled\n mapping (bytes32 => bool) public cancelled;\n\n // Mapping of makerAddress => senderAddress => lowest salt an order can have in order to be fillable\n // Orders with specified senderAddress and with a salt less than their epoch are considered cancelled\n mapping (address => mapping (address => uint256)) public orderEpoch;\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external\n nonReentrant\n {\n address makerAddress = getCurrentContextAddress();\n // If this function is called via `executeTransaction`, we only update the orderEpoch for the makerAddress/msg.sender combination.\n // This allows external filter contracts to add rules to how orders are cancelled via this function.\n address senderAddress = makerAddress == msg.sender ? address(0) : msg.sender;\n\n // orderEpoch is initialized to 0, so to cancelUpTo we need salt + 1\n uint256 newOrderEpoch = targetOrderEpoch + 1; \n uint256 oldOrderEpoch = orderEpoch[makerAddress][senderAddress];\n\n // Ensure orderEpoch is monotonically increasing\n require(\n newOrderEpoch > oldOrderEpoch, \n \"INVALID_NEW_ORDER_EPOCH\"\n );\n\n // Update orderEpoch\n orderEpoch[makerAddress][senderAddress] = newOrderEpoch;\n emit CancelUpTo(\n makerAddress,\n senderAddress,\n newOrderEpoch\n );\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrder(Order memory order)\n public\n nonReentrant\n {\n cancelOrderInternal(order);\n }\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(Order memory order)\n public\n view\n returns (OrderInfo memory orderInfo)\n {\n // Compute the order hash\n orderInfo.orderHash = getOrderHash(order);\n\n // Fetch filled amount\n orderInfo.orderTakerAssetFilledAmount = filled[orderInfo.orderHash];\n\n // If order.makerAssetAmount is zero, we also reject the order.\n // While the Exchange contract handles them correctly, they create\n // edge cases in the supporting infrastructure because they have\n // an 'infinite' price when computed by a simple division.\n if (order.makerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_MAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // If order.takerAssetAmount is zero, then the order will always\n // be considered filled because 0 == takerAssetAmount == orderTakerAssetFilledAmount\n // Instead of distinguishing between unfilled and filled zero taker\n // amount orders, we choose not to support them.\n if (order.takerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_TAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // Validate order availability\n if (orderInfo.orderTakerAssetFilledAmount >= order.takerAssetAmount) {\n orderInfo.orderStatus = uint8(OrderStatus.FULLY_FILLED);\n return orderInfo;\n }\n\n // Validate order expiration\n // solhint-disable-next-line not-rely-on-time\n if (block.timestamp >= order.expirationTimeSeconds) {\n orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);\n return orderInfo;\n }\n\n // Check if order has been cancelled\n if (cancelled[orderInfo.orderHash]) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n if (orderEpoch[order.makerAddress][order.senderAddress] > order.salt) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n\n // All other statuses are ruled out: order is Fillable\n orderInfo.orderStatus = uint8(OrderStatus.FILLABLE);\n return orderInfo;\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // Fetch order info\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Assert that the order is fillable by taker\n assertFillableOrder(\n order,\n orderInfo,\n takerAddress,\n signature\n );\n \n // Get amount of takerAsset to fill\n uint256 remainingTakerAssetAmount = safeSub(order.takerAssetAmount, orderInfo.orderTakerAssetFilledAmount);\n uint256 takerAssetFilledAmount = min256(takerAssetFillAmount, remainingTakerAssetAmount);\n\n // Validate context\n assertValidFill(\n order,\n orderInfo,\n takerAssetFillAmount,\n takerAssetFilledAmount,\n fillResults.makerAssetFilledAmount\n );\n\n // Compute proportional fill amounts\n fillResults = calculateFillResults(order, takerAssetFilledAmount);\n\n // Update exchange internal state\n updateFilledState(\n order,\n takerAddress,\n orderInfo.orderHash,\n orderInfo.orderTakerAssetFilledAmount,\n fillResults\n );\n \n // Settle order\n settleOrder(\n order,\n takerAddress,\n fillResults\n );\n\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrderInternal(Order memory order)\n internal\n {\n // Fetch current order status\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Validate context\n assertValidCancel(order, orderInfo);\n\n // Perform cancel\n updateCancelledState(order, orderInfo.orderHash);\n }\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n function updateFilledState(\n Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n FillResults memory fillResults\n )\n internal\n {\n // Update state\n filled[orderHash] = safeAdd(orderTakerAssetFilledAmount, fillResults.takerAssetFilledAmount);\n\n // Log order\n emit Fill(\n order.makerAddress,\n order.feeRecipientAddress,\n takerAddress,\n msg.sender,\n fillResults.makerAssetFilledAmount,\n fillResults.takerAssetFilledAmount,\n fillResults.makerFeePaid,\n fillResults.takerFeePaid,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n Order memory order,\n bytes32 orderHash\n )\n internal\n {\n // Perform cancel\n cancelled[orderHash] = true;\n\n // Log cancel\n emit Cancel(\n order.makerAddress,\n order.feeRecipientAddress,\n msg.sender,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n Order memory order,\n OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view\n {\n // An order can only be filled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n \n // Validate sender is allowed to fill this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n \n // Validate taker is allowed to fill this order\n if (order.takerAddress != address(0)) {\n require(\n order.takerAddress == takerAddress,\n \"INVALID_TAKER\"\n );\n }\n \n // Validate Maker signature (check only if first time seen)\n if (orderInfo.orderTakerAssetFilledAmount == 0) {\n require(\n isValidSignature(\n orderInfo.orderHash,\n order.makerAddress,\n signature\n ),\n \"INVALID_ORDER_SIGNATURE\"\n );\n }\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n Order memory order,\n OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount, // TODO: use FillResults\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view\n {\n // Revert if fill amount is invalid\n // TODO: reconsider necessity for v2.1\n require(\n takerAssetFillAmount != 0,\n \"INVALID_TAKER_AMOUNT\"\n );\n \n // Make sure taker does not pay more than desired amount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n takerAssetFilledAmount <= takerAssetFillAmount,\n \"TAKER_OVERPAY\"\n );\n \n // Make sure order is not overfilled\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeAdd(orderInfo.orderTakerAssetFilledAmount, takerAssetFilledAmount) <= order.takerAssetAmount,\n \"ORDER_OVERFILL\"\n );\n \n // Make sure order is filled at acceptable price.\n // The order has an implied price from the makers perspective:\n // order price = order.makerAssetAmount / order.takerAssetAmount\n // i.e. the number of makerAsset maker is paying per takerAsset. The\n // maker is guaranteed to get this price or a better (lower) one. The\n // actual price maker is getting in this fill is:\n // fill price = makerAssetFilledAmount / takerAssetFilledAmount\n // We need `fill price <= order price` for the fill to be fair to maker.\n // This amounts to:\n // makerAssetFilledAmount order.makerAssetAmount\n // ------------------------ <= -----------------------\n // takerAssetFilledAmount order.takerAssetAmount\n // or, equivalently:\n // makerAssetFilledAmount * order.takerAssetAmount <=\n // order.makerAssetAmount * takerAssetFilledAmount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeMul(makerAssetFilledAmount, order.takerAssetAmount)\n <= \n safeMul(order.makerAssetAmount, takerAssetFilledAmount),\n \"INVALID_FILL_PRICE\"\n );\n }\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n Order memory order,\n OrderInfo memory orderInfo\n )\n internal\n view\n {\n // Ensure order is valid\n // An order can only be cancelled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Validate sender is allowed to cancel this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate transaction signed by maker\n address makerAddress = getCurrentContextAddress();\n require(\n order.makerAddress == makerAddress,\n \"INVALID_MAKER\"\n );\n }\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (FillResults memory fillResults)\n {\n // Compute proportional transfer amounts\n fillResults.takerAssetFilledAmount = takerAssetFilledAmount;\n fillResults.makerAssetFilledAmount = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n );\n fillResults.makerFeePaid = safeGetPartialAmountFloor(\n fillResults.makerAssetFilledAmount,\n order.makerAssetAmount,\n order.makerFee\n );\n fillResults.takerFeePaid = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.takerFee\n );\n\n return fillResults;\n }\n\n /// @dev Settles an order by transferring assets between counterparties.\n /// @param order Order struct containing order specifications.\n /// @param takerAddress Address selling takerAsset and buying makerAsset.\n /// @param fillResults Amounts to be filled and fees paid by maker and taker.\n function settleOrder(\n LibOrder.Order memory order,\n address takerAddress,\n LibFillResults.FillResults memory fillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n dispatchTransferFrom(\n order.makerAssetData,\n order.makerAddress,\n takerAddress,\n fillResults.makerAssetFilledAmount\n );\n dispatchTransferFrom(\n order.takerAssetData,\n takerAddress,\n order.makerAddress,\n fillResults.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n zrxAssetData,\n order.makerAddress,\n order.feeRecipientAddress,\n fillResults.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n order.feeRecipientAddress,\n fillResults.takerFeePaid\n );\n }\n}\n", + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": "/*\n Copyright 2018 ZeroEx Intl.\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n http://www.apache.org/licenses/LICENSE-2.0\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MMatchOrders.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinMatchOrders is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n MAssetProxyDispatcher,\n MExchangeCore,\n MMatchOrders,\n MTransactions\n{\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n nonReentrant\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We assume that rightOrder.takerAssetData == leftOrder.makerAssetData and rightOrder.makerAssetData == leftOrder.takerAssetData.\n // If this assumption isn't true, the match will fail at signature validation.\n rightOrder.makerAssetData = leftOrder.takerAssetData;\n rightOrder.takerAssetData = leftOrder.makerAssetData;\n\n // Get left & right order info\n LibOrder.OrderInfo memory leftOrderInfo = getOrderInfo(leftOrder);\n LibOrder.OrderInfo memory rightOrderInfo = getOrderInfo(rightOrder);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Either our context is valid or we revert\n assertFillableOrder(\n leftOrder,\n leftOrderInfo,\n takerAddress,\n leftSignature\n );\n assertFillableOrder(\n rightOrder,\n rightOrderInfo,\n takerAddress,\n rightSignature\n );\n assertValidMatch(leftOrder, rightOrder);\n\n // Compute proportional fill amounts\n matchedFillResults = calculateMatchedFillResults(\n leftOrder,\n rightOrder,\n leftOrderInfo.orderTakerAssetFilledAmount,\n rightOrderInfo.orderTakerAssetFilledAmount\n );\n\n // Validate fill contexts\n assertValidFill(\n leftOrder,\n leftOrderInfo,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.makerAssetFilledAmount\n );\n assertValidFill(\n rightOrder,\n rightOrderInfo,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n \n // Update exchange state\n updateFilledState(\n leftOrder,\n takerAddress,\n leftOrderInfo.orderHash,\n leftOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.left\n );\n updateFilledState(\n rightOrder,\n takerAddress,\n rightOrderInfo.orderHash,\n rightOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.right\n );\n\n // Settle matched orders. Succeeds or throws.\n settleMatchedOrders(\n leftOrder,\n rightOrder,\n takerAddress,\n matchedFillResults\n );\n\n return matchedFillResults;\n }\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure\n {\n // Make sure there is a profitable spread.\n // There is a profitable spread iff the cost per unit bought (OrderA.MakerAmount/OrderA.TakerAmount) for each order is greater\n // than the profit per unit sold of the matched order (OrderB.TakerAmount/OrderB.MakerAmount).\n // This is satisfied by the equations below:\n // / >= / \n // AND\n // / >= / \n // These equations can be combined to get the following:\n require(\n safeMul(leftOrder.makerAssetAmount, rightOrder.makerAssetAmount) >=\n safeMul(leftOrder.takerAssetAmount, rightOrder.takerAssetAmount),\n \"NEGATIVE_SPREAD_REQUIRED\"\n );\n }\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // Derive maker asset amounts for left & right orders, given store taker assert amounts\n uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);\n uint256 leftMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n leftTakerAssetAmountRemaining\n );\n uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);\n uint256 rightMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n rightOrder.makerAssetAmount,\n rightOrder.takerAssetAmount,\n rightTakerAssetAmountRemaining\n );\n\n // Calculate fill results for maker and taker assets: at least one order will be fully filled.\n // The maximum amount the left maker can buy is `leftTakerAssetAmountRemaining`\n // The maximum amount the right maker can sell is `rightMakerAssetAmountRemaining`\n // We have two distinct cases for calculating the fill results:\n // Case 1.\n // If the left maker can buy more than the right maker can sell, then only the right order is fully filled.\n // If the left maker can buy exactly what the right maker can sell, then both orders are fully filled.\n // Case 2.\n // If the left maker cannot buy more than the right maker can sell, then only the left order is fully filled.\n if (leftTakerAssetAmountRemaining >= rightMakerAssetAmountRemaining) {\n // Case 1: Right order is fully filled\n matchedFillResults.right.makerAssetFilledAmount = rightMakerAssetAmountRemaining;\n matchedFillResults.right.takerAssetFilledAmount = rightTakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = matchedFillResults.right.makerAssetFilledAmount;\n // Round down to ensure the maker's exchange rate does not exceed the price specified by the order. \n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.left.makerAssetFilledAmount = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n matchedFillResults.left.takerAssetFilledAmount\n );\n } else {\n // Case 2: Left order is fully filled\n matchedFillResults.left.makerAssetFilledAmount = leftMakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = leftTakerAssetAmountRemaining;\n matchedFillResults.right.makerAssetFilledAmount = matchedFillResults.left.takerAssetFilledAmount;\n // Round up to ensure the maker's exchange rate does not exceed the price specified by the order.\n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.right.takerAssetFilledAmount = safeGetPartialAmountCeil(\n rightOrder.takerAssetAmount,\n rightOrder.makerAssetAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n }\n\n // Calculate amount given to taker\n matchedFillResults.leftMakerAssetSpreadAmount = safeSub(\n matchedFillResults.left.makerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount\n );\n\n // Compute fees for left order\n matchedFillResults.left.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.makerAssetFilledAmount,\n leftOrder.makerAssetAmount,\n leftOrder.makerFee\n );\n matchedFillResults.left.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.takerAssetFilledAmount,\n leftOrder.takerAssetAmount,\n leftOrder.takerFee\n );\n\n // Compute fees for right order\n matchedFillResults.right.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.makerAssetFilledAmount,\n rightOrder.makerAssetAmount,\n rightOrder.makerFee\n );\n matchedFillResults.right.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.takerAssetFilledAmount,\n rightOrder.takerAssetAmount,\n rightOrder.takerFee\n );\n\n // Return fill results\n return matchedFillResults;\n }\n\n /// @dev Settles matched order by transferring appropriate funds between order makers, taker, and fee recipient.\n /// @param leftOrder First matched order.\n /// @param rightOrder Second matched order.\n /// @param takerAddress Address that matched the orders. The taker receives the spread between orders as profit.\n /// @param matchedFillResults Struct holding amounts to transfer between makers, taker, and fee recipients.\n function settleMatchedOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n address takerAddress,\n LibFillResults.MatchedFillResults memory matchedFillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n // Order makers and taker\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n rightOrder.makerAddress,\n matchedFillResults.right.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n rightOrder.makerAssetData,\n rightOrder.makerAddress,\n leftOrder.makerAddress,\n matchedFillResults.left.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n takerAddress,\n matchedFillResults.leftMakerAssetSpreadAmount\n );\n\n // Maker fees\n dispatchTransferFrom(\n zrxAssetData,\n leftOrder.makerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n rightOrder.makerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.makerFeePaid\n );\n\n // Taker fees\n if (leftOrder.feeRecipientAddress == rightOrder.feeRecipientAddress) {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n safeAdd(\n matchedFillResults.left.takerFeePaid,\n matchedFillResults.right.takerFeePaid\n )\n );\n } else {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.takerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.takerFeePaid\n );\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./interfaces/IWallet.sol\";\nimport \"./interfaces/IValidator.sol\";\n\n\ncontract MixinSignatureValidator is\n ReentrancyGuard,\n MSignatureValidator,\n MTransactions\n{\n using LibBytes for bytes;\n \n // Mapping of hash => signer => signed\n mapping (bytes32 => mapping (address => bool)) public preSigned;\n\n // Mapping of signer => validator => approved\n mapping (address => mapping (address => bool)) public allowedValidators;\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n {\n if (signerAddress != msg.sender) {\n require(\n isValidSignature(\n hash,\n signerAddress,\n signature\n ),\n \"INVALID_SIGNATURE\"\n );\n }\n preSigned[hash][signerAddress] = true;\n }\n\n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external\n nonReentrant\n {\n address signerAddress = getCurrentContextAddress();\n allowedValidators[signerAddress][validatorAddress] = approval;\n emit SignatureValidatorApproval(\n signerAddress,\n validatorAddress,\n approval\n );\n }\n\n /// @dev Verifies that a hash has been signed by the given signer.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid)\n {\n require(\n signature.length > 0,\n \"LENGTH_GREATER_THAN_0_REQUIRED\"\n );\n\n // Pop last byte off of signature byte array.\n uint8 signatureTypeRaw = uint8(signature.popLastByte());\n\n // Ensure signature is supported\n require(\n signatureTypeRaw < uint8(SignatureType.NSignatureTypes),\n \"SIGNATURE_UNSUPPORTED\"\n );\n\n SignatureType signatureType = SignatureType(signatureTypeRaw);\n\n // Variables are not scoped in Solidity.\n uint8 v;\n bytes32 r;\n bytes32 s;\n address recovered;\n\n // Always illegal signature.\n // This is always an implicit option since a signer can create a\n // signature array with invalid type or length. We may as well make\n // it an explicit option. This aids testing and analysis. It is\n // also the initialization value for the enum type.\n if (signatureType == SignatureType.Illegal) {\n revert(\"SIGNATURE_ILLEGAL\");\n\n // Always invalid signature.\n // Like Illegal, this is always implicitly available and therefore\n // offered explicitly. It can be implicitly created by providing\n // a correctly formatted but incorrect signature.\n } else if (signatureType == SignatureType.Invalid) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = false;\n return isValid;\n\n // Signature using EIP712\n } else if (signatureType == SignatureType.EIP712) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n hash,\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signed using web3.eth_sign\n } else if (signatureType == SignatureType.EthSign) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n32\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signature verified by wallet contract.\n // If used with an order, the maker of the order is the wallet contract.\n } else if (signatureType == SignatureType.Wallet) {\n isValid = isValidWalletSignature(\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signature verified by validator contract.\n // If used with an order, the maker of the order can still be an EOA.\n // A signature using this type should be encoded as:\n // | Offset | Length | Contents |\n // | 0x00 | x | Signature to validate |\n // | 0x00 + x | 20 | Address of validator contract |\n // | 0x14 + x | 1 | Signature type is always \"\\x06\" |\n } else if (signatureType == SignatureType.Validator) {\n // Pop last 20 bytes off of signature byte array.\n address validatorAddress = signature.popLast20Bytes();\n \n // Ensure signer has approved validator.\n if (!allowedValidators[signerAddress][validatorAddress]) {\n return false;\n }\n isValid = isValidValidatorSignature(\n validatorAddress,\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signer signed hash previously using the preSign function.\n } else if (signatureType == SignatureType.PreSigned) {\n isValid = preSigned[hash][signerAddress];\n return isValid;\n }\n\n // Anything else is illegal (We do not return false because\n // the signature may actually be valid, just not in a format\n // that we currently support. In this case returning false\n // may lead the caller to incorrectly believe that the\n // signature was invalid.)\n revert(\"SIGNATURE_UNSUPPORTED\");\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if signature is valid for given wallet..\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IWallet(walletAddress).isValidSignature.selector,\n hash,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n walletAddress, // address of Wallet contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"WALLET_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000c57414c4c45545f4552524f5200000000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IValidator(signerAddress).isValidSignature.selector,\n hash,\n signerAddress,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n validatorAddress, // address of Validator contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"VALIDATOR_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f56414c494441544f525f4552524f5200000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n}\n", + "2.0.0/protocol/Exchange/MixinTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"./libs/LibExchangeErrors.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./libs/LibEIP712.sol\";\n\n\ncontract MixinTransactions is\n LibEIP712,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of transaction hash => executed\n // This prevents transactions from being executed more than once.\n mapping (bytes32 => bool) public transactions;\n\n // Address of current transaction signer\n address public currentContextAddress;\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external\n {\n // Prevent reentrancy\n require(\n currentContextAddress == address(0),\n \"REENTRANCY_ILLEGAL\"\n );\n\n bytes32 transactionHash = hashEIP712Message(hashZeroExTransaction(\n salt,\n signerAddress,\n data\n ));\n\n // Validate transaction has not been executed\n require(\n !transactions[transactionHash],\n \"INVALID_TX_HASH\"\n );\n\n // Transaction always valid if signer is sender of transaction\n if (signerAddress != msg.sender) {\n // Validate signature\n require(\n isValidSignature(\n transactionHash,\n signerAddress,\n signature\n ),\n \"INVALID_TX_SIGNATURE\"\n );\n\n // Set the current transaction signer\n currentContextAddress = signerAddress;\n }\n\n // Execute transaction\n transactions[transactionHash] = true;\n require(\n address(this).delegatecall(data),\n \"FAILED_EXECUTION\"\n );\n\n // Reset current transaction signer if it was previously updated\n if (signerAddress != msg.sender) {\n currentContextAddress = address(0);\n }\n }\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;\n bytes32 dataHash = keccak256(data);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,\n // salt,\n // bytes32(signerAddress),\n // keccak256(data)\n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, schemaHash) // hash of schema\n mstore(add(memPtr, 32), salt) // salt\n mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff)) // signerAddress\n mstore(add(memPtr, 96), dataHash) // hash of data\n\n // Compute hash\n result := keccak256(memPtr, 128)\n }\n return result;\n }\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address)\n {\n address currentContextAddress_ = currentContextAddress;\n address contextAddress = currentContextAddress_ == address(0) ? msg.sender : currentContextAddress_;\n return contextAddress;\n }\n}\n", + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibAbiEncoder.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MWrapperFunctions.sol\";\n\n\ncontract MixinWrapperFunctions is\n ReentrancyGuard,\n LibMath,\n LibFillResults,\n LibAbiEncoder,\n MExchangeCore,\n MWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrKillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n // Delegate to `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := delegatecall(\n gas, // forward all gas\n address, // call address of this contract\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrKillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n \n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public\n nonReentrant\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n cancelOrderInternal(orders[i]);\n }\n }\n\n /// @dev Fetches information for all passed in orders.\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n LibOrder.OrderInfo[] memory ordersInfo = new LibOrder.OrderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n ordersInfo[i] = getOrderInfo(orders[i]);\n }\n return ordersInfo;\n }\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n require(\n fillResults.takerAssetFilledAmount == takerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return fillResults;\n }\n}\n", + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssetProxyDispatcher {\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external;\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./IExchangeCore.sol\";\nimport \"./IMatchOrders.sol\";\nimport \"./ISignatureValidator.sol\";\nimport \"./ITransactions.sol\";\nimport \"./IAssetProxyDispatcher.sol\";\nimport \"./IWrapperFunctions.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract IExchange is\n IExchangeCore,\n IMatchOrders,\n ISignatureValidator,\n ITransactions,\n IAssetProxyDispatcher,\n IWrapperFunctions\n{}\n", + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IExchangeCore {\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external;\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrder(LibOrder.Order memory order)\n public;\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(LibOrder.Order memory order)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IMatchOrders {\n\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ISignatureValidator {\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external;\n \n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external;\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address of signer.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\n\ncontract ITransactions {\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external;\n}\n", + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IValidator {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IWallet {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IWrapperFunctions {\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public;\n\n /// @dev Fetches information for all passed in orders\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory);\n}\n", + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./LibOrder.sol\";\n\n\ncontract LibAbiEncoder {\n\n /// @dev ABI encodes calldata for `fillOrder`.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return ABI encoded calldata for `fillOrder`.\n function abiEncodeFillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n pure\n returns (bytes memory fillOrderCalldata)\n {\n // We need to call MExchangeCore.fillOrder using a delegatecall in\n // assembly so that we can intercept a call that throws. For this, we\n // need the input encoded in memory in the Ethereum ABIv2 format [1].\n\n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0x00 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 0x00 | | 1. offset to order (*) |\n // | | 0x20 | | 2. takerAssetFillAmount |\n // | | 0x40 | | 3. offset to signature (*) |\n // | Data | | 12 * 32 | order: |\n // | | 0x000 | | 1. senderAddress |\n // | | 0x020 | | 2. makerAddress |\n // | | 0x040 | | 3. takerAddress |\n // | | 0x060 | | 4. feeRecipientAddress |\n // | | 0x080 | | 5. makerAssetAmount |\n // | | 0x0A0 | | 6. takerAssetAmount |\n // | | 0x0C0 | | 7. makerFeeAmount |\n // | | 0x0E0 | | 8. takerFeeAmount |\n // | | 0x100 | | 9. expirationTimeSeconds |\n // | | 0x120 | | 10. salt |\n // | | 0x140 | | 11. Offset to makerAssetData (*) |\n // | | 0x160 | | 12. Offset to takerAssetData (*) |\n // | | 0x180 | 32 | makerAssetData Length |\n // | | 0x1A0 | ** | makerAssetData Contents |\n // | | 0x1C0 | 32 | takerAssetData Length |\n // | | 0x1E0 | ** | takerAssetData Contents |\n // | | 0x200 | 32 | signature Length |\n // | | 0x220 | ** | signature Contents |\n\n // * Offsets are calculated from the beginning of the current area: Header, Params, Data:\n // An offset stored in the Params area is calculated from the beginning of the Params section.\n // An offset stored in the Data area is calculated from the beginning of the Data section.\n\n // ** The length of dynamic array contents are stored in the field immediately preceeding the contents.\n\n // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html\n\n assembly {\n\n // Areas below may use the following variables:\n // 1. Start -- Start of this area in memory\n // 2. End -- End of this area in memory. This value may\n // be precomputed (before writing contents),\n // or it may be computed as contents are written.\n // 3. Offset -- Current offset into area. If an area's End\n // is precomputed, this variable tracks the\n // offsets of contents as they are written.\n\n /////// Setup Header Area ///////\n // Load free memory pointer\n fillOrderCalldata := mload(0x40)\n // bytes4(keccak256(\"fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)\"))\n // = 0xb4be83d5\n // Leave 0x20 bytes to store the length\n mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000)\n let headerAreaEnd := add(fillOrderCalldata, 0x24)\n\n /////// Setup Params Area ///////\n // This area is preallocated and written to later.\n // This is because we need to fill in offsets that have not yet been calculated.\n let paramsAreaStart := headerAreaEnd\n let paramsAreaEnd := add(paramsAreaStart, 0x60)\n let paramsAreaOffset := paramsAreaStart\n\n /////// Setup Data Area ///////\n let dataAreaStart := paramsAreaEnd\n let dataAreaEnd := dataAreaStart\n\n // Offset from the source data we're reading from\n let sourceOffset := order\n // arrayLenBytes and arrayLenWords track the length of a dynamically-allocated bytes array.\n let arrayLenBytes := 0\n let arrayLenWords := 0\n\n /////// Write order Struct ///////\n // Write memory location of Order, relative to the start of the\n // parameter list, then increment the paramsAreaOffset respectively.\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n // Write values for each field in the order\n // It would be nice to use a loop, but we save on gas by writing\n // the stores sequentially.\n mstore(dataAreaEnd, mload(sourceOffset)) // makerAddress\n mstore(add(dataAreaEnd, 0x20), mload(add(sourceOffset, 0x20))) // takerAddress\n mstore(add(dataAreaEnd, 0x40), mload(add(sourceOffset, 0x40))) // feeRecipientAddress\n mstore(add(dataAreaEnd, 0x60), mload(add(sourceOffset, 0x60))) // senderAddress\n mstore(add(dataAreaEnd, 0x80), mload(add(sourceOffset, 0x80))) // makerAssetAmount\n mstore(add(dataAreaEnd, 0xA0), mload(add(sourceOffset, 0xA0))) // takerAssetAmount\n mstore(add(dataAreaEnd, 0xC0), mload(add(sourceOffset, 0xC0))) // makerFeeAmount\n mstore(add(dataAreaEnd, 0xE0), mload(add(sourceOffset, 0xE0))) // takerFeeAmount\n mstore(add(dataAreaEnd, 0x100), mload(add(sourceOffset, 0x100))) // expirationTimeSeconds\n mstore(add(dataAreaEnd, 0x120), mload(add(sourceOffset, 0x120))) // salt\n mstore(add(dataAreaEnd, 0x140), mload(add(sourceOffset, 0x140))) // Offset to makerAssetData\n mstore(add(dataAreaEnd, 0x160), mload(add(sourceOffset, 0x160))) // Offset to takerAssetData\n dataAreaEnd := add(dataAreaEnd, 0x180)\n sourceOffset := add(sourceOffset, 0x180)\n\n // Write offset to \n mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x140)) // makerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Write offset to \n mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x160)) // takerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n /////// Write takerAssetFillAmount ///////\n mstore(paramsAreaOffset, takerAssetFillAmount)\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n /////// Write signature ///////\n // Write offset to paramsArea\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n\n // Calculate length of signature\n sourceOffset := signature\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of signature\n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of signature\n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Set length of calldata\n mstore(fillOrderCalldata, sub(dataAreaEnd, add(fillOrderCalldata, 0x20)))\n\n // Increment free memory pointer\n mstore(0x40, dataAreaEnd)\n }\n\n return fillOrderCalldata;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\n// solhint-disable max-line-length\ncontract LibConstants {\n \n // Asset data for ZRX token. Used for fee transfers.\n // @TODO: Hardcode constant when we deploy. Currently \n // not constant to make testing easier.\n\n // The proxyId for ZRX_ASSET_DATA is bytes4(keccak256(\"ERC20Token(address)\")) = 0xf47261b0\n \n // Kovan ZRX address is 0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570.\n // The ABI encoded proxyId and address is 0xf47261b00000000000000000000000006ff6c0ff1d68b964901f986d4c9fa3ac68346570\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x6f\\xf6\\xc0\\xff\\x1d\\x68\\xb9\\x64\\x90\\x1f\\x98\\x6d\\x4c\\x9f\\xa3\\xac\\x68\\x34\\x65\\x70\";\n \n // Mainnet ZRX address is 0xe41d2489571d322189246dafa5ebde1f4699f498.\n // The ABI encoded proxyId and address is 0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xe4\\x1d\\x24\\x89\\x57\\x1d\\x32\\x21\\x89\\x24\\x6d\\xaf\\xa5\\xeb\\xde\\x1f\\x46\\x99\\xf4\\x98\";\n \n // solhint-disable-next-line var-name-mixedcase\n bytes public ZRX_ASSET_DATA;\n\n // @TODO: Remove when we deploy.\n constructor (bytes memory zrxAssetData)\n public\n {\n ZRX_ASSET_DATA = zrxAssetData;\n }\n}\n// solhint-enable max-line-length\n", + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract LibEIP712 {\n\n // EIP191 header for EIP712 prefix\n string constant internal EIP191_HEADER = \"\\x19\\x01\";\n\n // EIP712 Domain Name value\n string constant internal EIP712_DOMAIN_NAME = \"0x Protocol\";\n\n // EIP712 Domain Version value\n string constant internal EIP712_DOMAIN_VERSION = \"2\";\n\n // Hash of the EIP712 Domain Separator Schema\n bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"EIP712Domain(\",\n \"string name,\",\n \"string version,\",\n \"address verifyingContract\",\n \")\"\n ));\n\n // Hash of the EIP712 Domain Separator data\n // solhint-disable-next-line var-name-mixedcase\n bytes32 public EIP712_DOMAIN_HASH;\n\n constructor ()\n public\n {\n EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(\n EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,\n keccak256(bytes(EIP712_DOMAIN_NAME)),\n keccak256(bytes(EIP712_DOMAIN_VERSION)),\n bytes32(address(this))\n ));\n }\n\n /// @dev Calculates EIP712 encoding for a hash struct in this EIP712 Domain.\n /// @param hashStruct The EIP712 hash struct.\n /// @return EIP712 hash applied to this EIP712 Domain.\n function hashEIP712Message(bytes32 hashStruct)\n internal\n view\n returns (bytes32 result)\n {\n bytes32 eip712DomainHash = EIP712_DOMAIN_HASH;\n\n // Assembly for more efficient computing:\n // keccak256(abi.encodePacked(\n // EIP191_HEADER,\n // EIP712_DOMAIN_HASH,\n // hashStruct \n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, 0x1901000000000000000000000000000000000000000000000000000000000000) // EIP191 header\n mstore(add(memPtr, 2), eip712DomainHash) // EIP712 domain hash\n mstore(add(memPtr, 34), hashStruct) // Hash of struct\n\n // Compute hash\n result := keccak256(memPtr, 66)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity 0.4.24;\n\n\n/// @dev This contract documents the revert reasons used in the Exchange contract.\n/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons.\ncontract LibExchangeErrors {\n\n /// Order validation errors ///\n string constant ORDER_UNFILLABLE = \"ORDER_UNFILLABLE\"; // Order cannot be filled.\n string constant INVALID_MAKER = \"INVALID_MAKER\"; // Invalid makerAddress.\n string constant INVALID_TAKER = \"INVALID_TAKER\"; // Invalid takerAddress.\n string constant INVALID_SENDER = \"INVALID_SENDER\"; // Invalid `msg.sender`.\n string constant INVALID_ORDER_SIGNATURE = \"INVALID_ORDER_SIGNATURE\"; // Signature validation failed. \n \n /// fillOrder validation errors ///\n string constant INVALID_TAKER_AMOUNT = \"INVALID_TAKER_AMOUNT\"; // takerAssetFillAmount cannot equal 0.\n string constant ROUNDING_ERROR = \"ROUNDING_ERROR\"; // Rounding error greater than 0.1% of takerAssetFillAmount. \n \n /// Signature validation errors ///\n string constant INVALID_SIGNATURE = \"INVALID_SIGNATURE\"; // Signature validation failed. \n string constant SIGNATURE_ILLEGAL = \"SIGNATURE_ILLEGAL\"; // Signature type is illegal.\n string constant SIGNATURE_UNSUPPORTED = \"SIGNATURE_UNSUPPORTED\"; // Signature type unsupported.\n \n /// cancelOrdersUptTo errors ///\n string constant INVALID_NEW_ORDER_EPOCH = \"INVALID_NEW_ORDER_EPOCH\"; // Specified salt must be greater than or equal to existing orderEpoch.\n\n /// fillOrKillOrder errors ///\n string constant COMPLETE_FILL_FAILED = \"COMPLETE_FILL_FAILED\"; // Desired takerAssetFillAmount could not be completely filled. \n\n /// matchOrders errors ///\n string constant NEGATIVE_SPREAD_REQUIRED = \"NEGATIVE_SPREAD_REQUIRED\"; // Matched orders must have a negative spread.\n\n /// Transaction errors ///\n string constant REENTRANCY_ILLEGAL = \"REENTRANCY_ILLEGAL\"; // Recursive reentrancy is not allowed. \n string constant INVALID_TX_HASH = \"INVALID_TX_HASH\"; // Transaction has already been executed. \n string constant INVALID_TX_SIGNATURE = \"INVALID_TX_SIGNATURE\"; // Signature validation failed. \n string constant FAILED_EXECUTION = \"FAILED_EXECUTION\"; // Transaction execution failed. \n \n /// registerAssetProxy errors ///\n string constant ASSET_PROXY_ALREADY_EXISTS = \"ASSET_PROXY_ALREADY_EXISTS\"; // AssetProxy with same id already exists.\n\n /// dispatchTransferFrom errors ///\n string constant ASSET_PROXY_DOES_NOT_EXIST = \"ASSET_PROXY_DOES_NOT_EXIST\"; // No assetProxy registered at given id.\n string constant TRANSFER_FAILED = \"TRANSFER_FAILED\"; // Asset transfer unsuccesful.\n\n /// Length validation errors ///\n string constant LENGTH_GREATER_THAN_0_REQUIRED = \"LENGTH_GREATER_THAN_0_REQUIRED\"; // Byte array must have a length greater than 0.\n string constant LENGTH_GREATER_THAN_3_REQUIRED = \"LENGTH_GREATER_THAN_3_REQUIRED\"; // Byte array must have a length greater than 3.\n string constant LENGTH_0_REQUIRED = \"LENGTH_0_REQUIRED\"; // Byte array must have a length of 0.\n string constant LENGTH_65_REQUIRED = \"LENGTH_65_REQUIRED\"; // Byte array must have a length of 65.\n}\n", + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibFillResults is\n SafeMath\n{\n struct FillResults {\n uint256 makerAssetFilledAmount; // Total amount of makerAsset(s) filled.\n uint256 takerAssetFilledAmount; // Total amount of takerAsset(s) filled.\n uint256 makerFeePaid; // Total amount of ZRX paid by maker(s) to feeRecipient(s).\n uint256 takerFeePaid; // Total amount of ZRX paid by taker to feeRecipients(s).\n }\n\n struct MatchedFillResults {\n FillResults left; // Amounts filled and fees paid of left order.\n FillResults right; // Amounts filled and fees paid of right order.\n uint256 leftMakerAssetSpreadAmount; // Spread between price of left and right order, denominated in the left order's makerAsset, paid to taker.\n }\n\n /// @dev Adds properties of both FillResults instances.\n /// Modifies the first FillResults instance specified.\n /// @param totalFillResults Fill results instance that will be added onto.\n /// @param singleFillResults Fill results instance that will be added to totalFillResults.\n function addFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)\n internal\n pure\n {\n totalFillResults.makerAssetFilledAmount = safeAdd(totalFillResults.makerAssetFilledAmount, singleFillResults.makerAssetFilledAmount);\n totalFillResults.takerAssetFilledAmount = safeAdd(totalFillResults.takerAssetFilledAmount, singleFillResults.takerAssetFilledAmount);\n totalFillResults.makerFeePaid = safeAdd(totalFillResults.makerFeePaid, singleFillResults.makerFeePaid);\n totalFillResults.takerFeePaid = safeAdd(totalFillResults.takerFeePaid, singleFillResults.takerFeePaid);\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibMath.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibMath is\n SafeMath\n{\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function safeGetPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorFloor(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function safeGetPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorCeil(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function getPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function getPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // The absolute rounding error is the difference between the rounded\n // value and the ideal value. The relative rounding error is the\n // absolute rounding error divided by the absolute value of the\n // ideal value. This is undefined when the ideal value is zero.\n //\n // The ideal value is `numerator * target / denominator`.\n // Let's call `numerator * target % denominator` the remainder.\n // The absolute error is `remainder / denominator`.\n //\n // When the ideal value is zero, we require the absolute error to\n // be zero. Fortunately, this is always the case. The ideal value is\n // zero iff `numerator == 0` and/or `target == 0`. In this case the\n // remainder and absolute error are also zero. \n if (target == 0 || numerator == 0) {\n return false;\n }\n \n // Otherwise, we want the relative rounding error to be strictly\n // less than 0.1%.\n // The relative error is `remainder / (numerator * target)`.\n // We want the relative error less than 1 / 1000:\n // remainder / (numerator * denominator) < 1 / 1000\n // or equivalently:\n // 1000 * remainder < numerator * target\n // so we have a rounding error iff:\n // 1000 * remainder >= numerator * target\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding up.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // See the comments in `isRoundingError`.\n if (target == 0 || numerator == 0) {\n // When either is zero, the ideal value and rounded value are zero\n // and there is no rounding error. (Although the relative error\n // is undefined.)\n return false;\n }\n // Compute remainder as before\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n remainder = safeSub(denominator, remainder) % denominator;\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibOrder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./LibEIP712.sol\";\n\n\ncontract LibOrder is\n LibEIP712\n{\n // Hash for the EIP712 Order Schema\n bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"Order(\",\n \"address makerAddress,\",\n \"address takerAddress,\",\n \"address feeRecipientAddress,\",\n \"address senderAddress,\",\n \"uint256 makerAssetAmount,\",\n \"uint256 takerAssetAmount,\",\n \"uint256 makerFee,\",\n \"uint256 takerFee,\",\n \"uint256 expirationTimeSeconds,\",\n \"uint256 salt,\",\n \"bytes makerAssetData,\",\n \"bytes takerAssetData\",\n \")\"\n ));\n\n // A valid order remains fillable until it is expired, fully filled, or cancelled.\n // An order's state is unaffected by external factors, like account balances.\n enum OrderStatus {\n INVALID, // Default value\n INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount\n INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount\n FILLABLE, // Order is fillable\n EXPIRED, // Order has already expired\n FULLY_FILLED, // Order is fully filled\n CANCELLED // Order has been cancelled\n }\n\n // solhint-disable max-line-length\n struct Order {\n address makerAddress; // Address that created the order. \n address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order. \n address feeRecipientAddress; // Address that will recieve fees when order is filled. \n address senderAddress; // Address that is allowed to call Exchange contract methods that affect this order. If set to 0, any address is allowed to call these methods.\n uint256 makerAssetAmount; // Amount of makerAsset being offered by maker. Must be greater than 0. \n uint256 takerAssetAmount; // Amount of takerAsset being bid on by maker. Must be greater than 0. \n uint256 makerFee; // Amount of ZRX paid to feeRecipient by maker when order is filled. If set to 0, no transfer of ZRX from maker to feeRecipient will be attempted.\n uint256 takerFee; // Amount of ZRX paid to feeRecipient by taker when order is filled. If set to 0, no transfer of ZRX from taker to feeRecipient will be attempted.\n uint256 expirationTimeSeconds; // Timestamp in seconds at which order expires. \n uint256 salt; // Arbitrary number to facilitate uniqueness of the order's hash. \n bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.\n bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.\n }\n // solhint-enable max-line-length\n\n struct OrderInfo {\n uint8 orderStatus; // Status that describes order's validity and fillability.\n bytes32 orderHash; // EIP712 hash of the order (see LibOrder.getOrderHash).\n uint256 orderTakerAssetFilledAmount; // Amount of order that has already been filled.\n }\n\n /// @dev Calculates Keccak-256 hash of the order.\n /// @param order The order structure.\n /// @return Keccak-256 EIP712 hash of the order.\n function getOrderHash(Order memory order)\n internal\n view\n returns (bytes32 orderHash)\n {\n orderHash = hashEIP712Message(hashOrder(order));\n return orderHash;\n }\n\n /// @dev Calculates EIP712 hash of the order.\n /// @param order The order structure.\n /// @return EIP712 hash of the order.\n function hashOrder(Order memory order)\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ORDER_SCHEMA_HASH;\n bytes32 makerAssetDataHash = keccak256(order.makerAssetData);\n bytes32 takerAssetDataHash = keccak256(order.takerAssetData);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ORDER_SCHEMA_HASH,\n // bytes32(order.makerAddress),\n // bytes32(order.takerAddress),\n // bytes32(order.feeRecipientAddress),\n // bytes32(order.senderAddress),\n // order.makerAssetAmount,\n // order.takerAssetAmount,\n // order.makerFee,\n // order.takerFee,\n // order.expirationTimeSeconds,\n // order.salt,\n // keccak256(order.makerAssetData),\n // keccak256(order.takerAssetData)\n // ));\n\n assembly {\n // Calculate memory addresses that will be swapped out before hashing\n let pos1 := sub(order, 32)\n let pos2 := add(order, 320)\n let pos3 := add(order, 352)\n\n // Backup\n let temp1 := mload(pos1)\n let temp2 := mload(pos2)\n let temp3 := mload(pos3)\n \n // Hash in place\n mstore(pos1, schemaHash)\n mstore(pos2, makerAssetDataHash)\n mstore(pos3, takerAssetDataHash)\n result := keccak256(pos1, 416)\n \n // Restore\n mstore(pos1, temp1)\n mstore(pos2, temp2)\n mstore(pos3, temp3)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssetProxyDispatcher.sol\";\n\n\ncontract MAssetProxyDispatcher is\n IAssetProxyDispatcher\n{\n // Logs registration of new asset proxy\n event AssetProxyRegistered(\n bytes4 id, // Id of new registered AssetProxy.\n address assetProxy // Address of new registered AssetProxy.\n );\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IExchangeCore.sol\";\n\n\ncontract MExchangeCore is\n IExchangeCore\n{\n // Fill event is emitted whenever an order is filled.\n event Fill(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that received fees.\n address takerAddress, // Address that filled the order.\n address senderAddress, // Address that called the Exchange contract (msg.sender).\n uint256 makerAssetFilledAmount, // Amount of makerAsset sold by maker and bought by taker. \n uint256 takerAssetFilledAmount, // Amount of takerAsset sold by taker and bought by maker.\n uint256 makerFeePaid, // Amount of ZRX paid to feeRecipient by maker.\n uint256 takerFeePaid, // Amount of ZRX paid to feeRecipient by taker.\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // Cancel event is emitted whenever an individual order is cancelled.\n event Cancel(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that would have recieved fees if order was filled. \n address senderAddress, // Address that called the Exchange contract (msg.sender).\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // CancelUpTo event is emitted whenever `cancelOrdersUpTo` is executed succesfully.\n event CancelUpTo(\n address indexed makerAddress, // Orders cancelled must have been created by this address.\n address indexed senderAddress, // Orders cancelled must have a `senderAddress` equal to this address.\n uint256 orderEpoch // Orders with specified makerAddress and senderAddress with a salt less than this value are considered cancelled.\n );\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrderInternal(LibOrder.Order memory order)\n internal;\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function updateFilledState(\n LibOrder.Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n LibFillResults.FillResults memory fillResults\n )\n internal;\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n LibOrder.Order memory order,\n bytes32 orderHash\n )\n internal;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo Status, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view;\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo\n )\n internal\n view;\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n LibOrder.Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.FillResults memory fillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IMatchOrders.sol\";\n\n\ncontract MMatchOrders is\n IMatchOrders\n{\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure;\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/ISignatureValidator.sol\";\n\n\ncontract MSignatureValidator is\n ISignatureValidator\n{\n event SignatureValidatorApproval(\n address indexed signerAddress, // Address that approves or disapproves a contract to verify signatures.\n address indexed validatorAddress, // Address of signature validator contract.\n bool approved // Approval or disapproval of validator contract.\n );\n\n // Allowed signature types.\n enum SignatureType {\n Illegal, // 0x00, default value\n Invalid, // 0x01\n EIP712, // 0x02\n EthSign, // 0x03\n Wallet, // 0x04\n Validator, // 0x05\n PreSigned, // 0x06\n NSignatureTypes // 0x07, number of signature types. Always leave at end.\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"../interfaces/ITransactions.sol\";\n\n\ncontract MTransactions is\n ITransactions\n{\n // Hash for the EIP712 ZeroEx Transaction Schema\n bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"ZeroExTransaction(\",\n \"uint256 salt,\",\n \"address signerAddress,\",\n \"bytes data\",\n \")\"\n ));\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result);\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address);\n}\n", + "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IWrapperFunctions.sol\";\n\n\ncontract MWrapperFunctions is \n IWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n}\n", + "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/MintableERC20Token.sol\";\n\n\ncontract DummyERC20Token is \n Ownable,\n MintableERC20Token\n{\n string public name;\n string public symbol;\n uint256 public decimals;\n uint256 public constant MAX_MINT_AMOUNT = 10000000000000000000000;\n\n constructor (\n string _name,\n string _symbol,\n uint256 _decimals,\n uint256 _totalSupply\n )\n public\n {\n name = _name;\n symbol = _symbol;\n decimals = _decimals;\n _totalSupply = _totalSupply;\n balances[msg.sender] = _totalSupply;\n }\n\n /// @dev Sets the balance of target address\n /// @param _target Address or which balance will be updated\n /// @param _value New balance of target address\n function setBalance(address _target, uint256 _value)\n external\n onlyOwner\n {\n uint256 currBalance = balances[_target];\n if (_value < currBalance) {\n _totalSupply = safeSub(_totalSupply, safeSub(currBalance, _value));\n } else {\n _totalSupply = safeAdd(_totalSupply, safeSub(_value, currBalance));\n }\n balances[_target] = _value;\n }\n\n /// @dev Mints new tokens for sender\n /// @param _value Amount of tokens to mint\n function mint(uint256 _value)\n external\n {\n require(\n _value <= MAX_MINT_AMOUNT,\n \"VALUE_TOO_LARGE\"\n );\n\n _mint(msg.sender, _value);\n }\n}\n", + "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../tokens/ERC721Token/MintableERC721Token.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract DummyERC721Token is\n Ownable,\n MintableERC721Token\n{\n string public name;\n string public symbol;\n\n constructor (\n string _name,\n string _symbol\n )\n public\n {\n name = _name;\n symbol = _symbol;\n }\n\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function mint(address _to, uint256 _tokenId)\n external\n {\n _mint(_to, _tokenId);\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist or not called by contract owner\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function burn(address _owner, uint256 _tokenId)\n external\n onlyOwner\n {\n _burn(_owner, _tokenId);\n }\n}\n", + "2.0.0/tokens/ERC20Token/ERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC20Token.sol\";\n\n\ncontract ERC20Token is\n IERC20Token\n{\n mapping (address => uint256) internal balances;\n mapping (address => mapping (address => uint256)) internal allowed;\n\n uint256 internal _totalSupply;\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool)\n {\n require(\n balances[msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[msg.sender] -= _value;\n balances[_to] += _value;\n\n emit Transfer(\n msg.sender,\n _to,\n _value\n );\n\n return true;\n }\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowed[_from][msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n allowed[_from][msg.sender] -= _value;\n \n emit Transfer(\n _from,\n _to,\n _value\n );\n \n return true;\n }\n\n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool)\n {\n allowed[msg.sender][_spender] = _value;\n emit Approval(\n msg.sender,\n _spender,\n _value\n );\n return true;\n }\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256)\n {\n return _totalSupply;\n }\n\n /// @dev Query the balance of owner\n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n return balances[_owner];\n }\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256)\n {\n return allowed[_owner][_spender];\n }\n}\n", + "2.0.0/tokens/ERC20Token/IERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n \n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n \n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", + "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/SafeMath/SafeMath.sol\";\nimport \"./UnlimitedAllowanceERC20Token.sol\";\n\n\ncontract MintableERC20Token is \n SafeMath,\n UnlimitedAllowanceERC20Token\n{\n /// @dev Mints new tokens\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _value Amount of tokens to mint\n function _mint(address _to, uint256 _value)\n internal\n {\n balances[_to] = safeAdd(_value, balances[_to]);\n _totalSupply = safeAdd(_totalSupply, _value);\n\n emit Transfer(\n address(0),\n _to,\n _value\n );\n }\n\n /// @dev Mints new tokens\n /// @param _owner Owner of tokens that will be burned\n /// @param _value Amount of tokens to burn\n function _burn(address _owner, uint256 _value)\n internal\n {\n balances[_owner] = safeSub(balances[_owner], _value);\n _totalSupply = safeSub(_totalSupply, _value);\n\n emit Transfer(\n _owner,\n address(0),\n _value\n );\n }\n}\n", + "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/ERC20Token.sol\";\n\n\ncontract UnlimitedAllowanceERC20Token is\n ERC20Token\n{\n uint256 constant internal MAX_UINT = 2**256 - 1;\n\n /// @dev ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited allowance. See https://github.com/ethereum/EIPs/issues/717\n /// @param _from Address to transfer from.\n /// @param _to Address to transfer to.\n /// @param _value Amount to transfer.\n /// @return Success of transfer.\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n uint256 allowance = allowed[_from][msg.sender];\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowance >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n if (allowance < MAX_UINT) {\n allowed[_from][msg.sender] -= _value;\n }\n\n emit Transfer(\n _from,\n _to,\n _value\n );\n\n return true;\n }\n}\n", + "2.0.0/tokens/ERC721Token/ERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC721Token.sol\";\nimport \"./IERC721Receiver.sol\";\nimport \"../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract ERC721Token is\n IERC721Token,\n SafeMath\n{\n // Function selector for ERC721Receiver.onERC721Received\n // 0x150b7a02\n bytes4 constant internal ERC721_RECEIVED = bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"));\n\n // Mapping of tokenId => owner\n mapping (uint256 => address) internal owners;\n\n // Mapping of tokenId => approved address\n mapping (uint256 => address) internal approvals;\n\n // Mapping of owner => number of tokens owned\n mapping (address => uint256) internal balances;\n\n // Mapping of owner => operator => approved\n mapping (address => mapping (address => bool)) internal operatorApprovals;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n _data\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n \"\"\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external\n {\n address owner = ownerOf(_tokenId);\n require(\n msg.sender == owner || isApprovedForAll(owner, msg.sender),\n \"ERC721_INVALID_SENDER\"\n );\n\n approvals[_tokenId] = _approved;\n emit Approval(\n owner,\n _approved,\n _tokenId\n );\n }\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external\n {\n operatorApprovals[msg.sender][_operator] = _approved;\n emit ApprovalForAll(\n msg.sender,\n _operator,\n _approved\n );\n }\n \n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return balances[_owner];\n }\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = ownerOf(_tokenId);\n require(\n _from == owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n address spender = msg.sender;\n address approvedAddress = getApproved(_tokenId);\n require(\n spender == owner ||\n isApprovedForAll(owner, spender) ||\n approvedAddress == spender,\n \"ERC721_INVALID_SPENDER\"\n );\n\n if (approvedAddress != address(0)) {\n approvals[_tokenId] = address(0);\n }\n\n owners[_tokenId] = _to;\n balances[_from] = safeSub(balances[_from], 1);\n balances[_to] = safeAdd(balances[_to], 1);\n \n emit Transfer(\n _from,\n _to,\n _tokenId\n );\n }\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address)\n {\n address owner = owners[_tokenId];\n require(\n owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return owner;\n }\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId)\n public\n view\n returns (address)\n {\n return approvals[_tokenId];\n }\n\n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool)\n {\n return operatorApprovals[_owner][_operator];\n }\n}\n", + "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Receiver {\n\n /// @notice Handle the receipt of an NFT\n /// @dev The ERC721 smart contract calls this function on the recipient\n /// after a `transfer`. This function MAY throw to revert and reject the\n /// transfer. Return of other than the magic value MUST result in the\n /// transaction being reverted.\n /// Note: the contract address is always the message sender.\n /// @param _operator The address which called `safeTransferFrom` function\n /// @param _from The address which previously owned the token\n /// @param _tokenId The NFT identifier which is being transferred\n /// @param _data Additional data with no specified format\n /// @return `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`\n /// unless throwing\n function onERC721Received(\n address _operator,\n address _from,\n uint256 _tokenId,\n bytes _data\n )\n external\n returns (bytes4);\n}\n", + "2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Token {\n\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(\n address indexed _owner,\n address indexed _approved,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(\n address indexed _owner,\n address indexed _operator,\n bool _approved\n );\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// perator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external;\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public;\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address);\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) \n public\n view\n returns (address);\n \n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool);\n}\n", + "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./ERC721Token.sol\";\n\n\ncontract MintableERC721Token is\n ERC721Token\n{\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function _mint(address _to, uint256 _tokenId)\n internal\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == address(0),\n \"ERC721_OWNER_ALREADY_EXISTS\"\n );\n\n owners[_tokenId] = _to;\n balances[_to] = safeAdd(balances[_to], 1);\n\n emit Transfer(\n address(0),\n _to,\n _tokenId\n );\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function _burn(address _owner, uint256 _tokenId)\n internal\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == _owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n owners[_tokenId] = address(0);\n balances[_owner] = safeSub(balances[_owner], 1);\n\n emit Transfer(\n _owner,\n address(0),\n _tokenId\n );\n }\n}\n", + "2.0.0/tokens/EtherToken/IEtherToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/IERC20Token.sol\";\n\n\ncontract IEtherToken is\n IERC20Token\n{\n function deposit()\n public\n payable;\n \n function withdraw(uint256 amount)\n public;\n}\n", + "2.0.0/utils/LibBytes/LibBytes.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\nlibrary LibBytes {\n\n using LibBytes for bytes;\n\n /// @dev Gets the memory address for a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of byte array. This\n /// points to the header of the byte array which contains\n /// the length.\n function rawAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := input\n }\n return memoryAddress;\n }\n \n /// @dev Gets the memory address for the contents of a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of the contents of the byte array.\n function contentAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := add(input, 32)\n }\n return memoryAddress;\n }\n\n /// @dev Copies `length` bytes from memory location `source` to `dest`.\n /// @param dest memory address to copy bytes to.\n /// @param source memory address to copy bytes from.\n /// @param length number of bytes to copy.\n function memCopy(\n uint256 dest,\n uint256 source,\n uint256 length\n )\n internal\n pure\n {\n if (length < 32) {\n // Handle a partial word by reading destination and masking\n // off the bits we are interested in.\n // This correctly handles overlap, zero lengths and source == dest\n assembly {\n let mask := sub(exp(256, sub(32, length)), 1)\n let s := and(mload(source), not(mask))\n let d := and(mload(dest), mask)\n mstore(dest, or(s, d))\n }\n } else {\n // Skip the O(length) loop when source == dest.\n if (source == dest) {\n return;\n }\n\n // For large copies we copy whole words at a time. The final\n // word is aligned to the end of the range (instead of after the\n // previous) to handle partial words. So a copy will look like this:\n //\n // ####\n // ####\n // ####\n // ####\n //\n // We handle overlap in the source and destination range by\n // changing the copying direction. This prevents us from\n // overwriting parts of source that we still need to copy.\n //\n // This correctly handles source == dest\n //\n if (source > dest) {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because it\n // is easier to compare with in the loop, and these\n // are also the addresses we need for copying the\n // last bytes.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the last 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the last bytes in\n // source already due to overlap.\n let last := mload(sEnd)\n\n // Copy whole words front to back\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} lt(source, sEnd) {} {\n mstore(dest, mload(source))\n source := add(source, 32)\n dest := add(dest, 32)\n }\n \n // Write the last 32 bytes\n mstore(dEnd, last)\n }\n } else {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because those\n // are the starting points when copying a word at the end.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the first 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the first bytes in\n // source already due to overlap.\n let first := mload(source)\n\n // Copy whole words back to front\n // We use a signed comparisson here to allow dEnd to become\n // negative (happens when source and dest < 32). Valid\n // addresses in local memory will never be larger than\n // 2**255, so they can be safely re-interpreted as signed.\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} slt(dest, dEnd) {} {\n mstore(dEnd, mload(sEnd))\n sEnd := sub(sEnd, 32)\n dEnd := sub(dEnd, 32)\n }\n \n // Write the first 32 bytes\n mstore(dest, first)\n }\n }\n }\n }\n\n /// @dev Returns a slices from a byte array.\n /// @param b The byte array to take a slice from.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n function slice(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure and copy contents\n result = new bytes(to - from);\n memCopy(\n result.contentAddress(),\n b.contentAddress() + from,\n result.length\n );\n return result;\n }\n \n /// @dev Returns a slice from a byte array without preserving the input.\n /// @param b The byte array to take a slice from. Will be destroyed in the process.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n /// @dev When `from == 0`, the original array will match the slice. In other cases its state will be corrupted.\n function sliceDestructive(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure around [from, to) in-place.\n assembly {\n result := add(b, from)\n mstore(result, sub(to, from))\n }\n return result;\n }\n\n /// @dev Pops the last byte off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The byte that was popped off.\n function popLastByte(bytes memory b)\n internal\n pure\n returns (bytes1 result)\n {\n require(\n b.length > 0,\n \"GREATER_THAN_ZERO_LENGTH_REQUIRED\"\n );\n\n // Store last byte.\n result = b[b.length - 1];\n\n assembly {\n // Decrement length of byte array.\n let newLen := sub(mload(b), 1)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Pops the last 20 bytes off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The 20 byte address that was popped off.\n function popLast20Bytes(bytes memory b)\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= 20,\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Store last 20 bytes.\n result = readAddress(b, b.length - 20);\n\n assembly {\n // Subtract 20 from byte array length.\n let newLen := sub(mload(b), 20)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Tests equality of two byte arrays.\n /// @param lhs First byte array to compare.\n /// @param rhs Second byte array to compare.\n /// @return True if arrays are the same. False otherwise.\n function equals(\n bytes memory lhs,\n bytes memory rhs\n )\n internal\n pure\n returns (bool equal)\n {\n // Keccak gas cost is 30 + numWords * 6. This is a cheap way to compare.\n // We early exit on unequal lengths, but keccak would also correctly\n // handle this.\n return lhs.length == rhs.length && keccak256(lhs) == keccak256(rhs);\n }\n\n /// @dev Reads an address from a position in a byte array.\n /// @param b Byte array containing an address.\n /// @param index Index in byte array of address.\n /// @return address from byte array.\n function readAddress(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Read address from array memory\n assembly {\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 20-byte mask to obtain address\n result := and(mload(add(b, index)), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n return result;\n }\n\n /// @dev Writes an address into a specific position in a byte array.\n /// @param b Byte array to insert address into.\n /// @param index Index in byte array of address.\n /// @param input Address to put into byte array.\n function writeAddress(\n bytes memory b,\n uint256 index,\n address input\n )\n internal\n pure\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Store address into array memory\n assembly {\n // The address occupies 20 bytes and mstore stores 32 bytes.\n // First fetch the 32-byte word where we'll be storing the address, then\n // apply a mask so we have only the bytes in the word that the address will not occupy.\n // Then combine these bytes with the address and store the 32 bytes back to memory with mstore.\n\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 12-byte mask to obtain extra bytes occupying word of memory where we'll store the address\n let neighbors := and(\n mload(add(b, index)),\n 0xffffffffffffffffffffffff0000000000000000000000000000000000000000\n )\n \n // Make sure input address is clean.\n // (Solidity does not guarantee this)\n input := and(input, 0xffffffffffffffffffffffffffffffffffffffff)\n\n // Store the neighbors and address into memory\n mstore(add(b, index), xor(input, neighbors))\n }\n }\n\n /// @dev Reads a bytes32 value from a position in a byte array.\n /// @param b Byte array containing a bytes32 value.\n /// @param index Index in byte array of bytes32 value.\n /// @return bytes32 value from byte array.\n function readBytes32(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes32 result)\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n result := mload(add(b, index))\n }\n return result;\n }\n\n /// @dev Writes a bytes32 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes32 to put into byte array.\n function writeBytes32(\n bytes memory b,\n uint256 index,\n bytes32 input\n )\n internal\n pure\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n mstore(add(b, index), input)\n }\n }\n\n /// @dev Reads a uint256 value from a position in a byte array.\n /// @param b Byte array containing a uint256 value.\n /// @param index Index in byte array of uint256 value.\n /// @return uint256 value from byte array.\n function readUint256(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (uint256 result)\n {\n result = uint256(readBytes32(b, index));\n return result;\n }\n\n /// @dev Writes a uint256 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input uint256 to put into byte array.\n function writeUint256(\n bytes memory b,\n uint256 index,\n uint256 input\n )\n internal\n pure\n {\n writeBytes32(b, index, bytes32(input));\n }\n\n /// @dev Reads an unpadded bytes4 value from a position in a byte array.\n /// @param b Byte array containing a bytes4 value.\n /// @param index Index in byte array of bytes4 value.\n /// @return bytes4 value from byte array.\n function readBytes4(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes4 result)\n {\n require(\n b.length >= index + 4,\n \"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 32 byte length field\n index += 32;\n\n // Read the bytes4 from array memory\n assembly {\n result := mload(add(b, index))\n // Solidity does not require us to clean the trailing bytes.\n // We do it anyway\n result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)\n }\n return result;\n }\n\n /// @dev Reads nested bytes from a specific position.\n /// @dev NOTE: the returned value overlaps with the input value.\n /// Both should be treated as immutable.\n /// @param b Byte array containing nested bytes.\n /// @param index Index of nested bytes.\n /// @return result Nested bytes.\n function readBytesWithLength(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes memory result)\n {\n // Read length of nested bytes\n uint256 nestedBytesLength = readUint256(b, index);\n index += 32;\n\n // Assert length of is valid, given\n // length of nested bytes\n require(\n b.length >= index + nestedBytesLength,\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n \n // Return a pointer to the byte array as it exists inside `b`\n assembly {\n result := add(b, index)\n }\n return result;\n }\n\n /// @dev Inserts bytes at a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes to insert.\n function writeBytesWithLength(\n bytes memory b,\n uint256 index,\n bytes memory input\n )\n internal\n pure\n {\n // Assert length of is valid, given\n // length of input\n require(\n b.length >= index + 32 + input.length, // 32 bytes to store length\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n\n // Copy into \n memCopy(\n b.contentAddress() + index,\n input.rawAddress(), // includes length of \n input.length + 32 // +32 bytes to store length\n );\n }\n\n /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length.\n /// @param dest Byte array that will be overwritten with source bytes.\n /// @param source Byte array to copy onto dest bytes.\n function deepCopyBytes(\n bytes memory dest,\n bytes memory source\n )\n internal\n pure\n {\n uint256 sourceLen = source.length;\n // Dest length must be >= source length, or some bytes would not be copied.\n require(\n dest.length >= sourceLen,\n \"GREATER_OR_EQUAL_TO_SOURCE_BYTES_LENGTH_REQUIRED\"\n );\n memCopy(\n dest.contentAddress(),\n source.contentAddress(),\n sourceLen\n );\n }\n}\n", + "2.0.0/utils/Ownable/IOwnable.sol": "pragma solidity 0.4.24;\n\n\ncontract IOwnable {\n\n function transferOwnership(address newOwner)\n public;\n}\n", + "2.0.0/utils/Ownable/Ownable.sol": "pragma solidity 0.4.24;\n\nimport \"./IOwnable.sol\";\n\n\ncontract Ownable is\n IOwnable\n{\n address public owner;\n\n constructor ()\n public\n {\n owner = msg.sender;\n }\n\n modifier onlyOwner() {\n require(\n msg.sender == owner,\n \"ONLY_CONTRACT_OWNER\"\n );\n _;\n }\n\n function transferOwnership(address newOwner)\n public\n onlyOwner\n {\n if (newOwner != address(0)) {\n owner = newOwner;\n }\n }\n}\n", + "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ReentrancyGuard {\n\n // Locked state of mutex\n bool private locked = false;\n\n /// @dev Functions with this modifer cannot be reentered. The mutex will be locked\n /// before function execution and unlocked after.\n modifier nonReentrant() {\n // Ensure mutex is unlocked\n require(\n !locked,\n \"REENTRANCY_ILLEGAL\"\n );\n\n // Lock mutex before function call\n locked = true;\n\n // Perform function call\n _;\n\n // Unlock mutex after function call\n locked = false;\n }\n}\n", + "2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n\n function safeMul(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(\n c / a == b,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function safeDiv(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a / b;\n return c;\n }\n\n function safeSub(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n require(\n b <= a,\n \"UINT256_UNDERFLOW\"\n );\n return a - b;\n }\n\n function safeAdd(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a + b;\n require(\n c >= a,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function max64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n\n function max256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n}\n" + }, + "sourceTreeHashHex": "0x7c03657f568331e5dbdd3212ed6be6074760e096f601ee84ad8c0fa46acd293f", + "compiler": { + "name": "solc", + "version": "soljson-v0.4.24+commit.e67f0147.js", + "settings": { + "optimizer": { + "enabled": true, + "runs": 1000000 + }, + "outputSelection": { + "*": { + "*": [ + "abi", + "evm.bytecode.object", + "evm.bytecode.sourceMap", + "evm.deployedBytecode.object", + "evm.deployedBytecode.sourceMap" + ] + } + } + } + }, + "networks": {} +} \ No newline at end of file diff --git a/packages/migrations/artifacts/2.0.0-mainnet/ERC20Token.json b/packages/migrations/artifacts/2.0.0-mainnet/ERC20Token.json new file mode 100644 index 000000000..11ec4b57a --- /dev/null +++ b/packages/migrations/artifacts/2.0.0-mainnet/ERC20Token.json @@ -0,0 +1,486 @@ +{ + "schemaVersion": "2.0.0", + "contractName": "ERC20Token", + "compilerOutput": { + "abi": [ + { + "constant": false, + "inputs": [ + { + "name": "_spender", + "type": "address" + }, + { + "name": "_value", + "type": "uint256" + } + ], + "name": "approve", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "totalSupply", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_from", + "type": "address" + }, + { + "name": "_to", + "type": "address" + }, + { + "name": "_value", + "type": "uint256" + } + ], + "name": "transferFrom", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "_owner", + "type": "address" + } + ], + "name": "balanceOf", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_to", + "type": "address" + }, + { + "name": "_value", + "type": "uint256" + } + ], + "name": "transfer", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "_owner", + "type": "address" + }, + { + "name": "_spender", + "type": "address" + } + ], + "name": "allowance", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "_from", + "type": "address" + }, + { + "indexed": true, + "name": "_to", + "type": "address" + }, + { + "indexed": false, + "name": "_value", + "type": "uint256" + } + ], + "name": "Transfer", + "type": "event" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "_owner", + "type": "address" + }, + { + "indexed": true, + "name": "_spender", + "type": "address" + }, + { + "indexed": false, + "name": "_value", + "type": "uint256" + } + ], + "name": "Approval", + "type": "event" + } + ], + "evm": { + "bytecode": { + "linkReferences": {}, + "object": 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0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP5 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 DUP1 SLOAD DUP9 ADD SWAP1 SSTORE SWAP4 DUP9 AND DUP1 DUP4 MSTORE DUP5 DUP4 KECCAK256 DUP1 SLOAD DUP9 SWAP1 SUB SWAP1 SSTORE PUSH1 0x1 DUP3 MSTORE DUP5 DUP4 KECCAK256 CALLER DUP5 MSTORE DUP3 MSTORE SWAP2 DUP5 SWAP1 KECCAK256 DUP1 SLOAD DUP8 SWAP1 SUB SWAP1 SSTORE DUP4 MLOAD DUP7 DUP2 MSTORE SWAP4 MLOAD SWAP3 SWAP4 SWAP2 SWAP3 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP3 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP PUSH1 0x1 SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD SWAP1 JUMP JUMPDEST CALLER PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP2 KECCAK256 SLOAD DUP3 GT ISZERO PUSH2 0x52D JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1A PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x45524332305F494E53554646494349454E545F42414C414E4345000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP3 DUP2 ADD LT ISZERO PUSH2 0x5C3 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 DUP1 SLOAD DUP8 SWAP1 SUB SWAP1 SSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP1 DUP5 MSTORE SWAP3 DUP2 SWAP1 KECCAK256 DUP1 SLOAD DUP8 ADD SWAP1 SSTORE DUP1 MLOAD DUP7 DUP2 MSTORE SWAP1 MLOAD SWAP3 SWAP4 SWAP3 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP3 SWAP2 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP PUSH1 0x1 SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP2 DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP4 SWAP1 SWAP5 AND DUP3 MSTORE SWAP2 SWAP1 SWAP2 MSTORE KECCAK256 SLOAD SWAP1 JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 KECCAK256 GASPRICE MSIZE 0x2c SWAP4 SWAP1 0xa8 LOG0 SDIV DUP3 SAR PUSH30 0xFFA1C27AE97BF827D8EF17CFEE3A8A70776B22D900290000000000000000 ", + "sourceMap": 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+ } + } + }, + "sources": { + "2.0.0/extensions/Forwarder/Forwarder.sol": { + "id": 0 + }, + "2.0.0/extensions/Forwarder/MixinAssets.sol": { + "id": 1 + }, + "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": { + "id": 2 + }, + "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": { + "id": 3 + }, + "2.0.0/extensions/Forwarder/MixinWeth.sol": { + "id": 4 + }, + "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": { + "id": 5 + }, + "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": { + "id": 6 + }, + "2.0.0/extensions/Forwarder/libs/LibConstants.sol": { + "id": 7 + }, + "2.0.0/extensions/Forwarder/mixins/MAssets.sol": { + "id": 8 + }, + "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": { + "id": 9 + }, + "2.0.0/extensions/Forwarder/mixins/MWeth.sol": { + "id": 10 + }, + "2.0.0/extensions/OrderValidator/OrderValidator.sol": { + "id": 11 + }, + "2.0.0/multisig/MultiSigWallet.sol": { + "id": 12 + }, + "2.0.0/multisig/MultiSigWalletWithTimeLock.sol": { + "id": 13 + }, + "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": { + "id": 14 + }, + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": { + "id": 15 + }, + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": { + "id": 16 + }, + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": { + "id": 17 + }, + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": { + "id": 18 + }, + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": { + "id": 19 + }, + "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": { + "id": 20 + }, + "2.0.0/protocol/Exchange/Exchange.sol": { + "id": 21 + }, + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": { + "id": 22 + }, + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": { + "id": 23 + }, + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": { + "id": 24 + }, + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": { + "id": 25 + }, + "2.0.0/protocol/Exchange/MixinTransactions.sol": { + "id": 26 + }, + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": { + "id": 27 + }, + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": { + "id": 28 + }, + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": { + "id": 29 + }, + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": { + "id": 30 + }, + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": { + "id": 31 + }, + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": { + "id": 32 + }, + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": { + "id": 33 + }, + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": { + "id": 34 + }, + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": { + "id": 35 + }, + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": { + "id": 36 + }, + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": { + "id": 37 + }, + "2.0.0/protocol/Exchange/libs/LibConstants.sol": { + "id": 38 + }, + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": { + "id": 39 + }, + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": { + "id": 40 + }, + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": { + "id": 41 + }, + "2.0.0/protocol/Exchange/libs/LibMath.sol": { + "id": 42 + }, + "2.0.0/protocol/Exchange/libs/LibOrder.sol": { + "id": 43 + }, + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": { + "id": 44 + }, + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": { + "id": 45 + }, + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": { + "id": 46 + }, + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": { + "id": 47 + }, + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": { + "id": 48 + }, + "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": { + "id": 49 + }, + "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": { + "id": 50 + }, + "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": { + "id": 51 + }, + "2.0.0/tokens/ERC20Token/ERC20Token.sol": { + "id": 52 + }, + "2.0.0/tokens/ERC20Token/IERC20Token.sol": { + "id": 53 + }, + "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": { + "id": 54 + }, + "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": { + "id": 55 + }, + "2.0.0/tokens/ERC721Token/ERC721Token.sol": { + "id": 56 + }, + "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": { + "id": 57 + }, + "2.0.0/tokens/ERC721Token/IERC721Token.sol": { + "id": 58 + }, + "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": { + "id": 59 + }, + "2.0.0/tokens/EtherToken/IEtherToken.sol": { + "id": 60 + }, + "2.0.0/utils/LibBytes/LibBytes.sol": { + "id": 61 + }, + "2.0.0/utils/Ownable/IOwnable.sol": { + "id": 62 + }, + "2.0.0/utils/Ownable/Ownable.sol": { + "id": 63 + }, + "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": { + "id": 64 + }, + "2.0.0/utils/SafeMath/SafeMath.sol": { + "id": 65 + } + }, + "sourceCodes": { + "2.0.0/extensions/Forwarder/Forwarder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinWeth.sol\";\nimport \"./MixinForwarderCore.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinAssets.sol\";\nimport \"./MixinExchangeWrapper.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Forwarder is\n LibConstants,\n MixinWeth,\n MixinAssets,\n MixinExchangeWrapper,\n MixinForwarderCore\n{\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n LibConstants(\n _exchange,\n _zrxAssetData,\n _wethAssetData\n )\n MixinForwarderCore()\n {}\n}\n", + "2.0.0/extensions/Forwarder/MixinAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MAssets.sol\";\n\n\ncontract MixinAssets is\n Ownable,\n LibConstants,\n MAssets\n{\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256(\"transfer(address,uint256)\"));\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external\n onlyOwner\n {\n transferAssetToSender(assetData, amount);\n }\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n bytes4 proxyId = assetData.readBytes4(0);\n\n if (proxyId == ERC20_DATA_ID) {\n transferERC20Token(assetData, amount);\n } else if (proxyId == ERC721_DATA_ID) {\n transferERC721Token(assetData, amount);\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n }\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n address token = assetData.readAddress(16);\n\n // Transfer tokens.\n // We do a raw call so we can check the success separate\n // from the return data.\n bool success = token.call(abi.encodeWithSelector(\n ERC20_TRANSFER_SELECTOR,\n msg.sender,\n amount\n ));\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n \n // Check return data.\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // value that evaluates to true.\n assembly {\n if returndatasize {\n success := 0\n if eq(returndatasize, 32) {\n // First 64 bytes of memory are reserved scratch space\n returndatacopy(0, 0, 32)\n success := mload(0)\n }\n }\n }\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n }\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n require(\n amount == 1,\n \"INVALID_AMOUNT\"\n );\n // Decode asset data.\n address token = assetData.readAddress(16);\n uint256 tokenId = assetData.readUint256(36);\n\n // Perform transfer.\n IERC721Token(token).transferFrom(\n address(this),\n msg.sender,\n tokenId\n );\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"../../protocol/Exchange/libs/LibAbiEncoder.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinExchangeWrapper is\n LibAbiEncoder,\n LibFillResults,\n LibMath,\n LibConstants,\n MExchangeWrapper\n{\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n address exchange = address(EXCHANGE);\n\n // Call `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := call(\n gas, // forward all gas\n exchange, // call address of Exchange contract\n 0, // transfer 0 wei\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of WETH to sell\n uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of WETH\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount;\n if (makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n\n require(\n makerAssetFilledAmount >= makerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n // Do nothing if zrxBuyAmount == 0\n if (zrxBuyAmount == 0) {\n return totalFillResults;\n }\n\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n uint256 zrxPurchased = 0;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // All of these are ZRX/WETH, so we can drop the respective assetData from calldata.\n orders[i].makerAssetData = zrxAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of ZRX to buy.\n uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased);\n\n // Convert the remaining amount of ZRX to buy into remaining amount\n // of WETH to sell, assuming entire amount can be sold in the current order.\n uint256 remainingWethSellAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees \n remainingZrxBuyAmount\n );\n\n // Attempt to sell the remaining amount of WETH.\n FillResults memory singleFillResult = fillOrderNoThrow(\n orders[i],\n safeAdd(remainingWethSellAmount, 1), // we add 1 wei to the fill amount to make up for rounding errors\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker.\n addFillResults(totalFillResults, singleFillResult);\n zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid);\n\n // Stop execution if the entire amount of ZRX has been bought.\n if (zrxPurchased >= zrxBuyAmount) {\n break;\n }\n }\n\n require(\n zrxPurchased >= zrxBuyAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\nimport \"./mixins/MAssets.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"./interfaces/IForwarderCore.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinForwarderCore is\n LibFillResults,\n LibMath,\n LibConstants,\n MWeth,\n MAssets,\n MExchangeWrapper,\n IForwarderCore\n{\n using LibBytes for bytes;\n\n /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf.\n constructor ()\n public\n {\n address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID);\n require(\n proxyAddress != address(0),\n \"UNREGISTERED_ASSET_PROXY\"\n );\n ETHER_TOKEN.approve(proxyAddress, MAX_UINT);\n ZRX_TOKEN.approve(proxyAddress, MAX_UINT);\n }\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 wethSellAmount;\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // Calculate amount of WETH that won't be spent on ETH fees.\n wethSellAmount = getPartialAmountFloor(\n PERCENTAGE_DENOMINATOR,\n safeAdd(PERCENTAGE_DENOMINATOR, feePercentage),\n msg.value\n );\n // Market sell available WETH.\n // ZRX fees are paid with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // 5% of WETH is reserved for filling feeOrders and paying feeRecipient.\n wethSellAmount = getPartialAmountFloor(\n MAX_WETH_FILL_PERCENTAGE,\n PERCENTAGE_DENOMINATOR,\n msg.value\n );\n // Market sell 95% of WETH.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // If the makerAsset is ZRX, it is not necessary to pay fees out of this\n // contracts's ZRX balance because fees are factored into the price of the order.\n orderFillResults = marketBuyExactZrxWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // Attemp to purchase desired amount of makerAsset.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketBuyExactAmountWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\n\n\ncontract MixinWeth is\n LibMath,\n LibConstants,\n MWeth\n{\n /// @dev Default payabale function, this allows us to withdraw WETH\n function ()\n public\n payable\n {\n require(\n msg.sender == address(ETHER_TOKEN),\n \"DEFAULT_FUNCTION_WETH_CONTRACT_ONLY\"\n );\n }\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal\n {\n require(\n msg.value > 0,\n \"INVALID_MSG_VALUE\"\n );\n ETHER_TOKEN.deposit.value(msg.value)();\n }\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal\n {\n // Ensure feePercentage is less than 5%.\n require(\n feePercentage <= MAX_FEE_PERCENTAGE,\n \"FEE_PERCENTAGE_TOO_LARGE\"\n );\n\n // Ensure that no extra WETH owned by this contract has been sold.\n uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx);\n require(\n wethSold <= msg.value,\n \"OVERSOLD_WETH\"\n );\n\n // Calculate amount of WETH that hasn't been sold.\n uint256 wethRemaining = safeSub(msg.value, wethSold);\n\n // Calculate ETH fee to pay to feeRecipient.\n uint256 ethFee = getPartialAmountFloor(\n feePercentage,\n PERCENTAGE_DENOMINATOR,\n wethSoldExcludingFeeOrders\n );\n\n // Ensure fee is less than amount of WETH remaining.\n require(\n ethFee <= wethRemaining,\n \"INSUFFICIENT_ETH_REMAINING\"\n );\n \n // Do nothing if no WETH remaining\n if (wethRemaining > 0) {\n // Convert remaining WETH to ETH\n ETHER_TOKEN.withdraw(wethRemaining);\n\n // Pay ETH to feeRecipient\n if (ethFee > 0) {\n feeRecipient.transfer(ethFee);\n }\n\n // Refund remaining ETH to msg.sender.\n uint256 ethRefund = safeSub(wethRemaining, ethFee);\n if (ethRefund > 0) {\n msg.sender.transfer(ethRefund);\n }\n }\n }\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssets {\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external;\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract IForwarderCore {\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n}\n", + "2.0.0/extensions/Forwarder/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/LibBytes/LibBytes.sol\";\nimport \"../../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../../tokens/EtherToken/IEtherToken.sol\";\nimport \"../../../tokens/ERC20Token/IERC20Token.sol\";\n\n\ncontract LibConstants {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n uint256 constant internal MAX_UINT = 2**256 - 1;\n uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; \n uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5%\n uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95%\n \n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n IEtherToken internal ETHER_TOKEN;\n IERC20Token internal ZRX_TOKEN;\n bytes internal ZRX_ASSET_DATA;\n bytes internal WETH_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n WETH_ASSET_DATA = _wethAssetData;\n\n address etherToken = _wethAssetData.readAddress(16);\n address zrxToken = _zrxAssetData.readAddress(16);\n ETHER_TOKEN = IEtherToken(etherToken);\n ZRX_TOKEN = IERC20Token(zrxToken);\n }\n}\n", + "2.0.0/extensions/Forwarder/mixins/MAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssets.sol\";\n\n\ncontract MAssets is\n IAssets\n{\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract MExchangeWrapper {\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n}\n", + "2.0.0/extensions/Forwarder/mixins/MWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract MWeth {\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal;\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal;\n}\n", + "2.0.0/extensions/OrderValidator/OrderValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract OrderValidator {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n struct TraderInfo {\n uint256 makerBalance; // Maker's balance of makerAsset\n uint256 makerAllowance; // Maker's allowance to corresponding AssetProxy\n uint256 takerBalance; // Taker's balance of takerAsset\n uint256 takerAllowance; // Taker's allowance to corresponding AssetProxy\n uint256 makerZrxBalance; // Maker's balance of ZRX\n uint256 makerZrxAllowance; // Maker's allowance of ZRX to ERC20Proxy\n uint256 takerZrxBalance; // Taker's balance of ZRX\n uint256 takerZrxAllowance; // Taker's allowance of ZRX to ERC20Proxy\n }\n\n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n bytes internal ZRX_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (address _exchange, bytes memory _zrxAssetData)\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n }\n\n /// @dev Fetches information for order and maker/taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return OrderInfo and TraderInfo instances for given order.\n function getOrderAndTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo, TraderInfo memory traderInfo)\n {\n orderInfo = EXCHANGE.getOrderInfo(order);\n traderInfo = getTraderInfo(order, takerAddress);\n return (orderInfo, traderInfo);\n }\n\n /// @dev Fetches information for all passed in orders and the makers/takers of each order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Arrays of OrderInfo and TraderInfo instances that correspond to each order.\n function getOrdersAndTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (LibOrder.OrderInfo[] memory ordersInfo, TraderInfo[] memory tradersInfo)\n {\n ordersInfo = EXCHANGE.getOrdersInfo(orders);\n tradersInfo = getTradersInfo(orders, takerAddresses);\n return (ordersInfo, tradersInfo);\n }\n\n /// @dev Fetches balance and allowances for maker and taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return Balances and allowances of maker and taker of order.\n function getTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (TraderInfo memory traderInfo)\n {\n (traderInfo.makerBalance, traderInfo.makerAllowance) = getBalanceAndAllowance(order.makerAddress, order.makerAssetData);\n (traderInfo.takerBalance, traderInfo.takerAllowance) = getBalanceAndAllowance(takerAddress, order.takerAssetData);\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n (traderInfo.makerZrxBalance, traderInfo.makerZrxAllowance) = getBalanceAndAllowance(order.makerAddress, zrxAssetData);\n (traderInfo.takerZrxBalance, traderInfo.takerZrxAllowance) = getBalanceAndAllowance(takerAddress, zrxAssetData);\n return traderInfo;\n }\n\n /// @dev Fetches balances and allowances of maker and taker for each provided order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Array of balances and allowances for maker and taker of each order.\n function getTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (TraderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n TraderInfo[] memory tradersInfo = new TraderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n tradersInfo[i] = getTraderInfo(orders[i], takerAddresses[i]);\n }\n return tradersInfo;\n }\n\n /// @dev Fetches token balances and allowances of an address to given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Encoded data that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balance of asset and allowance set to given proxy of asset.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalanceAndAllowance(address target, bytes memory assetData)\n public\n view\n returns (uint256 balance, uint256 allowance)\n {\n bytes4 assetProxyId = assetData.readBytes4(0);\n address token = assetData.readAddress(16);\n address assetProxy = EXCHANGE.getAssetProxy(assetProxyId);\n\n if (assetProxyId == ERC20_DATA_ID) {\n // Query balance\n balance = IERC20Token(token).balanceOf(target);\n\n // Query allowance\n allowance = IERC20Token(token).allowance(target, assetProxy);\n } else if (assetProxyId == ERC721_DATA_ID) {\n uint256 tokenId = assetData.readUint256(36);\n\n // Query owner of tokenId\n address owner = getERC721TokenOwner(token, tokenId);\n\n // Set balance to 1 if tokenId is owned by target\n balance = target == owner ? 1 : 0;\n\n // Check if ERC721Proxy is approved to spend tokenId\n bool isApproved = IERC721Token(token).isApprovedForAll(target, assetProxy) || IERC721Token(token).getApproved(tokenId) == assetProxy;\n \n // Set alowance to 1 if ERC721Proxy is approved to spend tokenId\n allowance = isApproved ? 1 : 0;\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n return (balance, allowance);\n }\n\n /// @dev Fetches token balances and allowances of an address for each given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Array of encoded byte arrays that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balances and allowances of assets.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalancesAndAllowances(address target, bytes[] memory assetData)\n public\n view\n returns (uint256[] memory, uint256[] memory)\n {\n uint256 length = assetData.length;\n uint256[] memory balances = new uint256[](length);\n uint256[] memory allowances = new uint256[](length);\n for (uint256 i = 0; i != length; i++) {\n (balances[i], allowances[i]) = getBalanceAndAllowance(target, assetData[i]);\n }\n return (balances, allowances);\n }\n\n /// @dev Calls `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token.\n /// @param token Address of ERC721 token.\n /// @param tokenId The identifier for the specific NFT.\n /// @return Owner of tokenId or null address if unowned.\n function getERC721TokenOwner(address token, uint256 tokenId)\n public\n view\n returns (address owner)\n {\n assembly {\n // load free memory pointer\n let cdStart := mload(64)\n\n // bytes4(keccak256(ownerOf(uint256))) = 0x6352211e\n mstore(cdStart, 0x6352211e00000000000000000000000000000000000000000000000000000000)\n mstore(add(cdStart, 4), tokenId)\n\n // staticcall `ownerOf(tokenId)`\n // `ownerOf` will revert if tokenId is not owned\n let success := staticcall(\n gas, // forward all gas\n token, // call token contract\n cdStart, // start of calldata\n 36, // length of input is 36 bytes\n cdStart, // write output over input\n 32 // size of output is 32 bytes\n )\n\n // Success implies that tokenId is owned\n // Copy owner from return data if successful\n if success {\n owner := mload(cdStart)\n } \n }\n\n // Owner initialized to address(0), no need to modify if call is unsuccessful\n return owner;\n }\n}\n", + "2.0.0/multisig/MultiSigWallet.sol": "// solhint-disable\npragma solidity ^0.4.15;\n\n\n/// @title Multisignature wallet - Allows multiple parties to agree on transactions before execution.\n/// @author Stefan George - \ncontract MultiSigWallet {\n\n /*\n * Events\n */\n event Confirmation(address indexed sender, uint indexed transactionId);\n event Revocation(address indexed sender, uint indexed transactionId);\n event Submission(uint indexed transactionId);\n event Execution(uint indexed transactionId);\n event ExecutionFailure(uint indexed transactionId);\n event Deposit(address indexed sender, uint value);\n event OwnerAddition(address indexed owner);\n event OwnerRemoval(address indexed owner);\n event RequirementChange(uint required);\n\n /*\n * Constants\n */\n uint constant public MAX_OWNER_COUNT = 50;\n\n /*\n * Storage\n */\n mapping (uint => Transaction) public transactions;\n mapping (uint => mapping (address => bool)) public confirmations;\n mapping (address => bool) public isOwner;\n address[] public owners;\n uint public required;\n uint public transactionCount;\n\n struct Transaction {\n address destination;\n uint value;\n bytes data;\n bool executed;\n }\n\n /*\n * Modifiers\n */\n modifier onlyWallet() {\n require(msg.sender == address(this));\n _;\n }\n\n modifier ownerDoesNotExist(address owner) {\n require(!isOwner[owner]);\n _;\n }\n\n modifier ownerExists(address owner) {\n require(isOwner[owner]);\n _;\n }\n\n modifier transactionExists(uint transactionId) {\n require(transactions[transactionId].destination != 0);\n _;\n }\n\n modifier confirmed(uint transactionId, address owner) {\n require(confirmations[transactionId][owner]);\n _;\n }\n\n modifier notConfirmed(uint transactionId, address owner) {\n require(!confirmations[transactionId][owner]);\n _;\n }\n\n modifier notExecuted(uint transactionId) {\n require(!transactions[transactionId].executed);\n _;\n }\n\n modifier notNull(address _address) {\n require(_address != 0);\n _;\n }\n\n modifier validRequirement(uint ownerCount, uint _required) {\n require(ownerCount <= MAX_OWNER_COUNT\n && _required <= ownerCount\n && _required != 0\n && ownerCount != 0);\n _;\n }\n\n /// @dev Fallback function allows to deposit ether.\n function()\n payable\n {\n if (msg.value > 0)\n Deposit(msg.sender, msg.value);\n }\n\n /*\n * Public functions\n */\n /// @dev Contract constructor sets initial owners and required number of confirmations.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n function MultiSigWallet(address[] _owners, uint _required)\n public\n validRequirement(_owners.length, _required)\n {\n for (uint i=0; i<_owners.length; i++) {\n require(!isOwner[_owners[i]] && _owners[i] != 0);\n isOwner[_owners[i]] = true;\n }\n owners = _owners;\n required = _required;\n }\n\n /// @dev Allows to add a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of new owner.\n function addOwner(address owner)\n public\n onlyWallet\n ownerDoesNotExist(owner)\n notNull(owner)\n validRequirement(owners.length + 1, required)\n {\n isOwner[owner] = true;\n owners.push(owner);\n OwnerAddition(owner);\n }\n\n /// @dev Allows to remove an owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner.\n function removeOwner(address owner)\n public\n onlyWallet\n ownerExists(owner)\n {\n isOwner[owner] = false;\n for (uint i=0; i owners.length)\n changeRequirement(owners.length);\n OwnerRemoval(owner);\n }\n\n /// @dev Allows to replace an owner with a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner to be replaced.\n /// @param newOwner Address of new owner.\n function replaceOwner(address owner, address newOwner)\n public\n onlyWallet\n ownerExists(owner)\n ownerDoesNotExist(newOwner)\n {\n for (uint i=0; i\n// solhint-disable not-rely-on-time\ncontract MultiSigWalletWithTimeLock is\n MultiSigWallet\n{\n event ConfirmationTimeSet(uint256 indexed transactionId, uint256 confirmationTime);\n event TimeLockChange(uint256 secondsTimeLocked);\n\n uint256 public secondsTimeLocked;\n\n mapping (uint256 => uint256) public confirmationTimes;\n\n modifier notFullyConfirmed(uint256 transactionId) {\n require(\n !isConfirmed(transactionId),\n \"TX_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier fullyConfirmed(uint256 transactionId) {\n require(\n isConfirmed(transactionId),\n \"TX_NOT_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier pastTimeLock(uint256 transactionId) {\n require(\n block.timestamp >= confirmationTimes[transactionId] + secondsTimeLocked,\n \"TIME_LOCK_INCOMPLETE\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations, and time lock.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] _owners,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWallet(_owners, _required)\n {\n secondsTimeLocked = _secondsTimeLocked;\n }\n\n /// @dev Changes the duration of the time lock for transactions.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n function changeTimeLock(uint256 _secondsTimeLocked)\n public\n onlyWallet\n {\n secondsTimeLocked = _secondsTimeLocked;\n emit TimeLockChange(_secondsTimeLocked);\n }\n\n /// @dev Allows an owner to confirm a transaction.\n /// @param transactionId Transaction ID.\n function confirmTransaction(uint256 transactionId)\n public\n ownerExists(msg.sender)\n transactionExists(transactionId)\n notConfirmed(transactionId, msg.sender)\n notFullyConfirmed(transactionId)\n {\n confirmations[transactionId][msg.sender] = true;\n emit Confirmation(msg.sender, transactionId);\n if (isConfirmed(transactionId)) {\n setConfirmationTime(transactionId, block.timestamp);\n }\n }\n\n /// @dev Allows anyone to execute a confirmed transaction.\n /// @param transactionId Transaction ID.\n function executeTransaction(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n pastTimeLock(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n\n /// @dev Sets the time of when a submission first passed.\n function setConfirmationTime(uint256 transactionId, uint256 confirmationTime)\n internal\n {\n confirmationTimes[transactionId] = confirmationTime;\n emit ConfirmationTimeSet(transactionId, confirmationTime);\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC20Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n \n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 1 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n\n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. amount |\n\n /////// Read token address from calldata ///////\n // * The token address is stored in `assetData`.\n //\n // * The \"offset to assetData\" is stored at offset 4 in the calldata (table 1).\n // [assetDataOffsetFromParams = calldataload(4)]\n //\n // * Notes that the \"offset to assetData\" is relative to the \"Params\" area of calldata;\n // add 4 bytes to account for the length of the \"Header\" area (table 1).\n // [assetDataOffsetFromHeader = assetDataOffsetFromParams + 4]\n //\n // * The \"token address\" is offset 32+4=36 bytes into \"assetData\" (tables 1 & 2).\n // [tokenOffset = assetDataOffsetFromHeader + 36 = calldataload(4) + 4 + 36]\n let token := calldataload(add(calldataload(4), 40))\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from`, `to` and `amount` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 96)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output over input\n 32 // output size should be 32 bytes\n )\n\n /////// Check return data. ///////\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // nonzero 32 bytes value.\n // So the transfer succeeded if the call succeeded and either\n // returned nothing, or returned a non-zero 32 byte value. \n success := and(success, or(\n iszero(returndatasize),\n and(\n eq(returndatasize, 32),\n gt(mload(0), 0)\n )\n ))\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC721Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 2 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n // | | 36 | | 2. tokenId |\n \n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. tokenId |\n\n // There exists only 1 of each token.\n // require(amount == 1, \"INVALID_AMOUNT\")\n if sub(calldataload(100), 1) {\n // Revert with `Error(\"INVALID_AMOUNT\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from` and `to` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 64)\n\n // Copy `tokenId` field from our own calldata to the new calldata.\n let assetDataOffset := calldataload(4)\n calldatacopy(68, add(assetDataOffset, 72), 32)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let token := calldataload(add(assetDataOffset, 40))\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output to null\n 0 // output size is 0 bytes\n )\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAuthorizable.sol\";\n\n\ncontract MixinAuthorizable is\n Ownable,\n MAuthorizable\n{\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized {\n require(\n authorized[msg.sender],\n \"SENDER_NOT_AUTHORIZED\"\n );\n _;\n }\n\n mapping (address => bool) public authorized;\n address[] public authorities;\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n !authorized[target],\n \"TARGET_ALREADY_AUTHORIZED\"\n );\n\n authorized[target] = true;\n authorities.push(target);\n emit AuthorizedAddressAdded(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n\n delete authorized[target];\n for (uint256 i = 0; i < authorities.length; i++) {\n if (authorities[i] == target) {\n authorities[i] = authorities[authorities.length - 1];\n authorities.length -= 1;\n break;\n }\n }\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n require(\n index < authorities.length,\n \"INDEX_OUT_OF_BOUNDS\"\n );\n require(\n authorities[index] == target,\n \"AUTHORIZED_ADDRESS_MISMATCH\"\n );\n\n delete authorized[target];\n authorities[index] = authorities[authorities.length - 1];\n authorities.length -= 1;\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory)\n {\n return authorities;\n }\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IAuthorizable.sol\";\n\n\ncontract IAssetProxy is\n IAuthorizable\n{\n /// @dev Transfers assets. Either succeeds or throws.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n function transferFrom(\n bytes assetData,\n address from,\n address to,\n uint256 amount\n )\n external;\n \n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4);\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/Ownable/IOwnable.sol\";\n\n\ncontract IAuthorizable is\n IOwnable\n{\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external;\n \n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory);\n}\n", + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAuthorizable.sol\";\n\n\ncontract MAuthorizable is\n IAuthorizable\n{\n // Event logged when a new address is authorized.\n event AuthorizedAddressAdded(\n address indexed target,\n address indexed caller\n );\n\n // Event logged when a currently authorized address is unauthorized.\n event AuthorizedAddressRemoved(\n address indexed target,\n address indexed caller\n );\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized { revert(); _; }\n}\n", + "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../multisig/MultiSigWalletWithTimeLock.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract AssetProxyOwner is\n MultiSigWalletWithTimeLock\n{\n using LibBytes for bytes;\n\n event AssetProxyRegistration(address assetProxyContract, bool isRegistered);\n\n // Mapping of AssetProxy contract address =>\n // if this contract is allowed to call the AssetProxy's `removeAuthorizedAddressAtIndex` method without a time lock.\n mapping (address => bool) public isAssetProxyRegistered;\n\n bytes4 constant internal REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR = bytes4(keccak256(\"removeAuthorizedAddressAtIndex(address,uint256)\"));\n\n /// @dev Function will revert if the transaction does not call `removeAuthorizedAddressAtIndex`\n /// on an approved AssetProxy contract.\n modifier validRemoveAuthorizedAddressAtIndexTx(uint256 transactionId) {\n Transaction storage txn = transactions[transactionId];\n require(\n isAssetProxyRegistered[txn.destination],\n \"UNREGISTERED_ASSET_PROXY\"\n );\n require(\n txn.data.readBytes4(0) == REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR,\n \"INVALID_FUNCTION_SELECTOR\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations,\n /// time lock, and list of AssetProxy addresses.\n /// @param _owners List of initial owners.\n /// @param _assetProxyContracts Array of AssetProxy contract addresses.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] memory _owners,\n address[] memory _assetProxyContracts,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWalletWithTimeLock(_owners, _required, _secondsTimeLocked)\n {\n for (uint256 i = 0; i < _assetProxyContracts.length; i++) {\n address assetProxy = _assetProxyContracts[i];\n require(\n assetProxy != address(0),\n \"INVALID_ASSET_PROXY\"\n );\n isAssetProxyRegistered[assetProxy] = true;\n }\n }\n\n /// @dev Registers or deregisters an AssetProxy to be able to execute\n /// `removeAuthorizedAddressAtIndex` without a timelock.\n /// @param assetProxyContract Address of AssetProxy contract.\n /// @param isRegistered Status of approval for AssetProxy contract.\n function registerAssetProxy(address assetProxyContract, bool isRegistered)\n public\n onlyWallet\n notNull(assetProxyContract)\n {\n isAssetProxyRegistered[assetProxyContract] = isRegistered;\n emit AssetProxyRegistration(assetProxyContract, isRegistered);\n }\n\n /// @dev Allows execution of `removeAuthorizedAddressAtIndex` without time lock.\n /// @param transactionId Transaction ID.\n function executeRemoveAuthorizedAddressAtIndex(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n validRemoveAuthorizedAddressAtIndexTx(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n}\n", + "2.0.0/protocol/Exchange/Exchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinExchangeCore.sol\";\nimport \"./MixinSignatureValidator.sol\";\nimport \"./MixinWrapperFunctions.sol\";\nimport \"./MixinAssetProxyDispatcher.sol\";\nimport \"./MixinTransactions.sol\";\nimport \"./MixinMatchOrders.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Exchange is\n MixinExchangeCore,\n MixinMatchOrders,\n MixinSignatureValidator,\n MixinTransactions,\n MixinAssetProxyDispatcher,\n MixinWrapperFunctions\n{\n string constant public VERSION = \"2.0.1-alpha\";\n\n // Mixins are instantiated in the order they are inherited\n constructor (bytes memory _zrxAssetData)\n public\n LibConstants(_zrxAssetData) // @TODO: Remove when we deploy.\n MixinExchangeCore()\n MixinMatchOrders()\n MixinSignatureValidator()\n MixinTransactions()\n MixinAssetProxyDispatcher()\n MixinWrapperFunctions()\n {}\n}\n", + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\nimport \"../AssetProxy/interfaces/IAssetProxy.sol\";\n\n\ncontract MixinAssetProxyDispatcher is\n Ownable,\n MAssetProxyDispatcher\n{\n // Mapping from Asset Proxy Id's to their respective Asset Proxy\n mapping (bytes4 => IAssetProxy) public assetProxies;\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external\n onlyOwner\n {\n IAssetProxy assetProxyContract = IAssetProxy(assetProxy);\n\n // Ensure that no asset proxy exists with current id.\n bytes4 assetProxyId = assetProxyContract.getProxyId();\n address currentAssetProxy = assetProxies[assetProxyId];\n require(\n currentAssetProxy == address(0),\n \"ASSET_PROXY_ALREADY_EXISTS\"\n );\n\n // Add asset proxy and log registration.\n assetProxies[assetProxyId] = assetProxyContract;\n emit AssetProxyRegistered(\n assetProxyId,\n assetProxy\n );\n }\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address)\n {\n return assetProxies[assetProxyId];\n }\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal\n {\n // Do nothing if no amount should be transferred.\n if (amount > 0 && from != to) {\n // Ensure assetData length is valid\n require(\n assetData.length > 3,\n \"LENGTH_GREATER_THAN_3_REQUIRED\"\n );\n \n // Lookup assetProxy. We do not use `LibBytes.readBytes4` for gas efficiency reasons.\n bytes4 assetProxyId;\n assembly {\n assetProxyId := and(mload(\n add(assetData, 32)),\n 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000\n )\n }\n address assetProxy = assetProxies[assetProxyId];\n\n // Ensure that assetProxy exists\n require(\n assetProxy != address(0),\n \"ASSET_PROXY_DOES_NOT_EXIST\"\n );\n \n // We construct calldata for the `assetProxy.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n\n assembly {\n /////// Setup State ///////\n // `cdStart` is the start of the calldata for `assetProxy.transferFrom` (equal to free memory ptr).\n let cdStart := mload(64)\n // `dataAreaLength` is the total number of words needed to store `assetData`\n // As-per the ABI spec, this value is padded up to the nearest multiple of 32,\n // and includes 32-bytes for length.\n let dataAreaLength := and(add(mload(assetData), 63), 0xFFFFFFFFFFFE0)\n // `cdEnd` is the end of the calldata for `assetProxy.transferFrom`.\n let cdEnd := add(cdStart, add(132, dataAreaLength))\n\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFromSelector`.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes.\n // Notes:\n // 1. The offset to `assetData` is the length of the Params Area (128 bytes).\n // 2. A 20-byte mask is applied to addresses to zero-out the unused bytes.\n mstore(add(cdStart, 4), 128)\n mstore(add(cdStart, 36), and(from, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 68), and(to, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 100), amount)\n \n /////// Setup Data Area ///////\n // This area holds `assetData`.\n let dataArea := add(cdStart, 132)\n // solhint-disable-next-line no-empty-blocks\n for {} lt(dataArea, cdEnd) {} {\n mstore(dataArea, mload(assetData))\n dataArea := add(dataArea, 32)\n assetData := add(assetData, 32)\n }\n\n /////// Call `assetProxy.transferFrom` using the constructed calldata ///////\n let success := call(\n gas, // forward all gas\n assetProxy, // call address of asset proxy\n 0, // don't send any ETH\n cdStart, // pointer to start of input\n sub(cdEnd, cdStart), // length of input \n cdStart, // write output over input\n 512 // reserve 512 bytes for output\n )\n if iszero(success) {\n revert(cdStart, returndatasize())\n }\n }\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinExchangeCore is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n LibOrder,\n LibFillResults,\n MAssetProxyDispatcher,\n MExchangeCore,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of orderHash => amount of takerAsset already bought by maker\n mapping (bytes32 => uint256) public filled;\n\n // Mapping of orderHash => cancelled\n mapping (bytes32 => bool) public cancelled;\n\n // Mapping of makerAddress => senderAddress => lowest salt an order can have in order to be fillable\n // Orders with specified senderAddress and with a salt less than their epoch are considered cancelled\n mapping (address => mapping (address => uint256)) public orderEpoch;\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external\n nonReentrant\n {\n address makerAddress = getCurrentContextAddress();\n // If this function is called via `executeTransaction`, we only update the orderEpoch for the makerAddress/msg.sender combination.\n // This allows external filter contracts to add rules to how orders are cancelled via this function.\n address senderAddress = makerAddress == msg.sender ? address(0) : msg.sender;\n\n // orderEpoch is initialized to 0, so to cancelUpTo we need salt + 1\n uint256 newOrderEpoch = targetOrderEpoch + 1; \n uint256 oldOrderEpoch = orderEpoch[makerAddress][senderAddress];\n\n // Ensure orderEpoch is monotonically increasing\n require(\n newOrderEpoch > oldOrderEpoch, \n \"INVALID_NEW_ORDER_EPOCH\"\n );\n\n // Update orderEpoch\n orderEpoch[makerAddress][senderAddress] = newOrderEpoch;\n emit CancelUpTo(\n makerAddress,\n senderAddress,\n newOrderEpoch\n );\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrder(Order memory order)\n public\n nonReentrant\n {\n cancelOrderInternal(order);\n }\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(Order memory order)\n public\n view\n returns (OrderInfo memory orderInfo)\n {\n // Compute the order hash\n orderInfo.orderHash = getOrderHash(order);\n\n // Fetch filled amount\n orderInfo.orderTakerAssetFilledAmount = filled[orderInfo.orderHash];\n\n // If order.makerAssetAmount is zero, we also reject the order.\n // While the Exchange contract handles them correctly, they create\n // edge cases in the supporting infrastructure because they have\n // an 'infinite' price when computed by a simple division.\n if (order.makerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_MAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // If order.takerAssetAmount is zero, then the order will always\n // be considered filled because 0 == takerAssetAmount == orderTakerAssetFilledAmount\n // Instead of distinguishing between unfilled and filled zero taker\n // amount orders, we choose not to support them.\n if (order.takerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_TAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // Validate order availability\n if (orderInfo.orderTakerAssetFilledAmount >= order.takerAssetAmount) {\n orderInfo.orderStatus = uint8(OrderStatus.FULLY_FILLED);\n return orderInfo;\n }\n\n // Validate order expiration\n // solhint-disable-next-line not-rely-on-time\n if (block.timestamp >= order.expirationTimeSeconds) {\n orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);\n return orderInfo;\n }\n\n // Check if order has been cancelled\n if (cancelled[orderInfo.orderHash]) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n if (orderEpoch[order.makerAddress][order.senderAddress] > order.salt) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n\n // All other statuses are ruled out: order is Fillable\n orderInfo.orderStatus = uint8(OrderStatus.FILLABLE);\n return orderInfo;\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // Fetch order info\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Assert that the order is fillable by taker\n assertFillableOrder(\n order,\n orderInfo,\n takerAddress,\n signature\n );\n \n // Get amount of takerAsset to fill\n uint256 remainingTakerAssetAmount = safeSub(order.takerAssetAmount, orderInfo.orderTakerAssetFilledAmount);\n uint256 takerAssetFilledAmount = min256(takerAssetFillAmount, remainingTakerAssetAmount);\n\n // Validate context\n assertValidFill(\n order,\n orderInfo,\n takerAssetFillAmount,\n takerAssetFilledAmount,\n fillResults.makerAssetFilledAmount\n );\n\n // Compute proportional fill amounts\n fillResults = calculateFillResults(order, takerAssetFilledAmount);\n\n // Update exchange internal state\n updateFilledState(\n order,\n takerAddress,\n orderInfo.orderHash,\n orderInfo.orderTakerAssetFilledAmount,\n fillResults\n );\n \n // Settle order\n settleOrder(\n order,\n takerAddress,\n fillResults\n );\n\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrderInternal(Order memory order)\n internal\n {\n // Fetch current order status\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Validate context\n assertValidCancel(order, orderInfo);\n\n // Perform cancel\n updateCancelledState(order, orderInfo.orderHash);\n }\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n function updateFilledState(\n Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n FillResults memory fillResults\n )\n internal\n {\n // Update state\n filled[orderHash] = safeAdd(orderTakerAssetFilledAmount, fillResults.takerAssetFilledAmount);\n\n // Log order\n emit Fill(\n order.makerAddress,\n order.feeRecipientAddress,\n takerAddress,\n msg.sender,\n fillResults.makerAssetFilledAmount,\n fillResults.takerAssetFilledAmount,\n fillResults.makerFeePaid,\n fillResults.takerFeePaid,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n Order memory order,\n bytes32 orderHash\n )\n internal\n {\n // Perform cancel\n cancelled[orderHash] = true;\n\n // Log cancel\n emit Cancel(\n order.makerAddress,\n order.feeRecipientAddress,\n msg.sender,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n Order memory order,\n OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view\n {\n // An order can only be filled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n \n // Validate sender is allowed to fill this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n \n // Validate taker is allowed to fill this order\n if (order.takerAddress != address(0)) {\n require(\n order.takerAddress == takerAddress,\n \"INVALID_TAKER\"\n );\n }\n \n // Validate Maker signature (check only if first time seen)\n if (orderInfo.orderTakerAssetFilledAmount == 0) {\n require(\n isValidSignature(\n orderInfo.orderHash,\n order.makerAddress,\n signature\n ),\n \"INVALID_ORDER_SIGNATURE\"\n );\n }\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n Order memory order,\n OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount, // TODO: use FillResults\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view\n {\n // Revert if fill amount is invalid\n // TODO: reconsider necessity for v2.1\n require(\n takerAssetFillAmount != 0,\n \"INVALID_TAKER_AMOUNT\"\n );\n \n // Make sure taker does not pay more than desired amount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n takerAssetFilledAmount <= takerAssetFillAmount,\n \"TAKER_OVERPAY\"\n );\n \n // Make sure order is not overfilled\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeAdd(orderInfo.orderTakerAssetFilledAmount, takerAssetFilledAmount) <= order.takerAssetAmount,\n \"ORDER_OVERFILL\"\n );\n \n // Make sure order is filled at acceptable price.\n // The order has an implied price from the makers perspective:\n // order price = order.makerAssetAmount / order.takerAssetAmount\n // i.e. the number of makerAsset maker is paying per takerAsset. The\n // maker is guaranteed to get this price or a better (lower) one. The\n // actual price maker is getting in this fill is:\n // fill price = makerAssetFilledAmount / takerAssetFilledAmount\n // We need `fill price <= order price` for the fill to be fair to maker.\n // This amounts to:\n // makerAssetFilledAmount order.makerAssetAmount\n // ------------------------ <= -----------------------\n // takerAssetFilledAmount order.takerAssetAmount\n // or, equivalently:\n // makerAssetFilledAmount * order.takerAssetAmount <=\n // order.makerAssetAmount * takerAssetFilledAmount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeMul(makerAssetFilledAmount, order.takerAssetAmount)\n <= \n safeMul(order.makerAssetAmount, takerAssetFilledAmount),\n \"INVALID_FILL_PRICE\"\n );\n }\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n Order memory order,\n OrderInfo memory orderInfo\n )\n internal\n view\n {\n // Ensure order is valid\n // An order can only be cancelled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Validate sender is allowed to cancel this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate transaction signed by maker\n address makerAddress = getCurrentContextAddress();\n require(\n order.makerAddress == makerAddress,\n \"INVALID_MAKER\"\n );\n }\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (FillResults memory fillResults)\n {\n // Compute proportional transfer amounts\n fillResults.takerAssetFilledAmount = takerAssetFilledAmount;\n fillResults.makerAssetFilledAmount = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n );\n fillResults.makerFeePaid = safeGetPartialAmountFloor(\n fillResults.makerAssetFilledAmount,\n order.makerAssetAmount,\n order.makerFee\n );\n fillResults.takerFeePaid = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.takerFee\n );\n\n return fillResults;\n }\n\n /// @dev Settles an order by transferring assets between counterparties.\n /// @param order Order struct containing order specifications.\n /// @param takerAddress Address selling takerAsset and buying makerAsset.\n /// @param fillResults Amounts to be filled and fees paid by maker and taker.\n function settleOrder(\n LibOrder.Order memory order,\n address takerAddress,\n LibFillResults.FillResults memory fillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n dispatchTransferFrom(\n order.makerAssetData,\n order.makerAddress,\n takerAddress,\n fillResults.makerAssetFilledAmount\n );\n dispatchTransferFrom(\n order.takerAssetData,\n takerAddress,\n order.makerAddress,\n fillResults.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n zrxAssetData,\n order.makerAddress,\n order.feeRecipientAddress,\n fillResults.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n order.feeRecipientAddress,\n fillResults.takerFeePaid\n );\n }\n}\n", + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": "/*\n Copyright 2018 ZeroEx Intl.\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n http://www.apache.org/licenses/LICENSE-2.0\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MMatchOrders.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinMatchOrders is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n MAssetProxyDispatcher,\n MExchangeCore,\n MMatchOrders,\n MTransactions\n{\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n nonReentrant\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We assume that rightOrder.takerAssetData == leftOrder.makerAssetData and rightOrder.makerAssetData == leftOrder.takerAssetData.\n // If this assumption isn't true, the match will fail at signature validation.\n rightOrder.makerAssetData = leftOrder.takerAssetData;\n rightOrder.takerAssetData = leftOrder.makerAssetData;\n\n // Get left & right order info\n LibOrder.OrderInfo memory leftOrderInfo = getOrderInfo(leftOrder);\n LibOrder.OrderInfo memory rightOrderInfo = getOrderInfo(rightOrder);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Either our context is valid or we revert\n assertFillableOrder(\n leftOrder,\n leftOrderInfo,\n takerAddress,\n leftSignature\n );\n assertFillableOrder(\n rightOrder,\n rightOrderInfo,\n takerAddress,\n rightSignature\n );\n assertValidMatch(leftOrder, rightOrder);\n\n // Compute proportional fill amounts\n matchedFillResults = calculateMatchedFillResults(\n leftOrder,\n rightOrder,\n leftOrderInfo.orderTakerAssetFilledAmount,\n rightOrderInfo.orderTakerAssetFilledAmount\n );\n\n // Validate fill contexts\n assertValidFill(\n leftOrder,\n leftOrderInfo,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.makerAssetFilledAmount\n );\n assertValidFill(\n rightOrder,\n rightOrderInfo,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n \n // Update exchange state\n updateFilledState(\n leftOrder,\n takerAddress,\n leftOrderInfo.orderHash,\n leftOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.left\n );\n updateFilledState(\n rightOrder,\n takerAddress,\n rightOrderInfo.orderHash,\n rightOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.right\n );\n\n // Settle matched orders. Succeeds or throws.\n settleMatchedOrders(\n leftOrder,\n rightOrder,\n takerAddress,\n matchedFillResults\n );\n\n return matchedFillResults;\n }\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure\n {\n // Make sure there is a profitable spread.\n // There is a profitable spread iff the cost per unit bought (OrderA.MakerAmount/OrderA.TakerAmount) for each order is greater\n // than the profit per unit sold of the matched order (OrderB.TakerAmount/OrderB.MakerAmount).\n // This is satisfied by the equations below:\n // / >= / \n // AND\n // / >= / \n // These equations can be combined to get the following:\n require(\n safeMul(leftOrder.makerAssetAmount, rightOrder.makerAssetAmount) >=\n safeMul(leftOrder.takerAssetAmount, rightOrder.takerAssetAmount),\n \"NEGATIVE_SPREAD_REQUIRED\"\n );\n }\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // Derive maker asset amounts for left & right orders, given store taker assert amounts\n uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);\n uint256 leftMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n leftTakerAssetAmountRemaining\n );\n uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);\n uint256 rightMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n rightOrder.makerAssetAmount,\n rightOrder.takerAssetAmount,\n rightTakerAssetAmountRemaining\n );\n\n // Calculate fill results for maker and taker assets: at least one order will be fully filled.\n // The maximum amount the left maker can buy is `leftTakerAssetAmountRemaining`\n // The maximum amount the right maker can sell is `rightMakerAssetAmountRemaining`\n // We have two distinct cases for calculating the fill results:\n // Case 1.\n // If the left maker can buy more than the right maker can sell, then only the right order is fully filled.\n // If the left maker can buy exactly what the right maker can sell, then both orders are fully filled.\n // Case 2.\n // If the left maker cannot buy more than the right maker can sell, then only the left order is fully filled.\n if (leftTakerAssetAmountRemaining >= rightMakerAssetAmountRemaining) {\n // Case 1: Right order is fully filled\n matchedFillResults.right.makerAssetFilledAmount = rightMakerAssetAmountRemaining;\n matchedFillResults.right.takerAssetFilledAmount = rightTakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = matchedFillResults.right.makerAssetFilledAmount;\n // Round down to ensure the maker's exchange rate does not exceed the price specified by the order. \n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.left.makerAssetFilledAmount = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n matchedFillResults.left.takerAssetFilledAmount\n );\n } else {\n // Case 2: Left order is fully filled\n matchedFillResults.left.makerAssetFilledAmount = leftMakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = leftTakerAssetAmountRemaining;\n matchedFillResults.right.makerAssetFilledAmount = matchedFillResults.left.takerAssetFilledAmount;\n // Round up to ensure the maker's exchange rate does not exceed the price specified by the order.\n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.right.takerAssetFilledAmount = safeGetPartialAmountCeil(\n rightOrder.takerAssetAmount,\n rightOrder.makerAssetAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n }\n\n // Calculate amount given to taker\n matchedFillResults.leftMakerAssetSpreadAmount = safeSub(\n matchedFillResults.left.makerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount\n );\n\n // Compute fees for left order\n matchedFillResults.left.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.makerAssetFilledAmount,\n leftOrder.makerAssetAmount,\n leftOrder.makerFee\n );\n matchedFillResults.left.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.takerAssetFilledAmount,\n leftOrder.takerAssetAmount,\n leftOrder.takerFee\n );\n\n // Compute fees for right order\n matchedFillResults.right.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.makerAssetFilledAmount,\n rightOrder.makerAssetAmount,\n rightOrder.makerFee\n );\n matchedFillResults.right.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.takerAssetFilledAmount,\n rightOrder.takerAssetAmount,\n rightOrder.takerFee\n );\n\n // Return fill results\n return matchedFillResults;\n }\n\n /// @dev Settles matched order by transferring appropriate funds between order makers, taker, and fee recipient.\n /// @param leftOrder First matched order.\n /// @param rightOrder Second matched order.\n /// @param takerAddress Address that matched the orders. The taker receives the spread between orders as profit.\n /// @param matchedFillResults Struct holding amounts to transfer between makers, taker, and fee recipients.\n function settleMatchedOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n address takerAddress,\n LibFillResults.MatchedFillResults memory matchedFillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n // Order makers and taker\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n rightOrder.makerAddress,\n matchedFillResults.right.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n rightOrder.makerAssetData,\n rightOrder.makerAddress,\n leftOrder.makerAddress,\n matchedFillResults.left.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n takerAddress,\n matchedFillResults.leftMakerAssetSpreadAmount\n );\n\n // Maker fees\n dispatchTransferFrom(\n zrxAssetData,\n leftOrder.makerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n rightOrder.makerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.makerFeePaid\n );\n\n // Taker fees\n if (leftOrder.feeRecipientAddress == rightOrder.feeRecipientAddress) {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n safeAdd(\n matchedFillResults.left.takerFeePaid,\n matchedFillResults.right.takerFeePaid\n )\n );\n } else {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.takerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.takerFeePaid\n );\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./interfaces/IWallet.sol\";\nimport \"./interfaces/IValidator.sol\";\n\n\ncontract MixinSignatureValidator is\n ReentrancyGuard,\n MSignatureValidator,\n MTransactions\n{\n using LibBytes for bytes;\n \n // Mapping of hash => signer => signed\n mapping (bytes32 => mapping (address => bool)) public preSigned;\n\n // Mapping of signer => validator => approved\n mapping (address => mapping (address => bool)) public allowedValidators;\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n {\n if (signerAddress != msg.sender) {\n require(\n isValidSignature(\n hash,\n signerAddress,\n signature\n ),\n \"INVALID_SIGNATURE\"\n );\n }\n preSigned[hash][signerAddress] = true;\n }\n\n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external\n nonReentrant\n {\n address signerAddress = getCurrentContextAddress();\n allowedValidators[signerAddress][validatorAddress] = approval;\n emit SignatureValidatorApproval(\n signerAddress,\n validatorAddress,\n approval\n );\n }\n\n /// @dev Verifies that a hash has been signed by the given signer.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid)\n {\n require(\n signature.length > 0,\n \"LENGTH_GREATER_THAN_0_REQUIRED\"\n );\n\n // Pop last byte off of signature byte array.\n uint8 signatureTypeRaw = uint8(signature.popLastByte());\n\n // Ensure signature is supported\n require(\n signatureTypeRaw < uint8(SignatureType.NSignatureTypes),\n \"SIGNATURE_UNSUPPORTED\"\n );\n\n SignatureType signatureType = SignatureType(signatureTypeRaw);\n\n // Variables are not scoped in Solidity.\n uint8 v;\n bytes32 r;\n bytes32 s;\n address recovered;\n\n // Always illegal signature.\n // This is always an implicit option since a signer can create a\n // signature array with invalid type or length. We may as well make\n // it an explicit option. This aids testing and analysis. It is\n // also the initialization value for the enum type.\n if (signatureType == SignatureType.Illegal) {\n revert(\"SIGNATURE_ILLEGAL\");\n\n // Always invalid signature.\n // Like Illegal, this is always implicitly available and therefore\n // offered explicitly. It can be implicitly created by providing\n // a correctly formatted but incorrect signature.\n } else if (signatureType == SignatureType.Invalid) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = false;\n return isValid;\n\n // Signature using EIP712\n } else if (signatureType == SignatureType.EIP712) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n hash,\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signed using web3.eth_sign\n } else if (signatureType == SignatureType.EthSign) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n32\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signature verified by wallet contract.\n // If used with an order, the maker of the order is the wallet contract.\n } else if (signatureType == SignatureType.Wallet) {\n isValid = isValidWalletSignature(\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signature verified by validator contract.\n // If used with an order, the maker of the order can still be an EOA.\n // A signature using this type should be encoded as:\n // | Offset | Length | Contents |\n // | 0x00 | x | Signature to validate |\n // | 0x00 + x | 20 | Address of validator contract |\n // | 0x14 + x | 1 | Signature type is always \"\\x06\" |\n } else if (signatureType == SignatureType.Validator) {\n // Pop last 20 bytes off of signature byte array.\n address validatorAddress = signature.popLast20Bytes();\n \n // Ensure signer has approved validator.\n if (!allowedValidators[signerAddress][validatorAddress]) {\n return false;\n }\n isValid = isValidValidatorSignature(\n validatorAddress,\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signer signed hash previously using the preSign function.\n } else if (signatureType == SignatureType.PreSigned) {\n isValid = preSigned[hash][signerAddress];\n return isValid;\n }\n\n // Anything else is illegal (We do not return false because\n // the signature may actually be valid, just not in a format\n // that we currently support. In this case returning false\n // may lead the caller to incorrectly believe that the\n // signature was invalid.)\n revert(\"SIGNATURE_UNSUPPORTED\");\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if signature is valid for given wallet..\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IWallet(walletAddress).isValidSignature.selector,\n hash,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n walletAddress, // address of Wallet contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"WALLET_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000c57414c4c45545f4552524f5200000000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IValidator(signerAddress).isValidSignature.selector,\n hash,\n signerAddress,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n validatorAddress, // address of Validator contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"VALIDATOR_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f56414c494441544f525f4552524f5200000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n}\n", + "2.0.0/protocol/Exchange/MixinTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"./libs/LibExchangeErrors.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./libs/LibEIP712.sol\";\n\n\ncontract MixinTransactions is\n LibEIP712,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of transaction hash => executed\n // This prevents transactions from being executed more than once.\n mapping (bytes32 => bool) public transactions;\n\n // Address of current transaction signer\n address public currentContextAddress;\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external\n {\n // Prevent reentrancy\n require(\n currentContextAddress == address(0),\n \"REENTRANCY_ILLEGAL\"\n );\n\n bytes32 transactionHash = hashEIP712Message(hashZeroExTransaction(\n salt,\n signerAddress,\n data\n ));\n\n // Validate transaction has not been executed\n require(\n !transactions[transactionHash],\n \"INVALID_TX_HASH\"\n );\n\n // Transaction always valid if signer is sender of transaction\n if (signerAddress != msg.sender) {\n // Validate signature\n require(\n isValidSignature(\n transactionHash,\n signerAddress,\n signature\n ),\n \"INVALID_TX_SIGNATURE\"\n );\n\n // Set the current transaction signer\n currentContextAddress = signerAddress;\n }\n\n // Execute transaction\n transactions[transactionHash] = true;\n require(\n address(this).delegatecall(data),\n \"FAILED_EXECUTION\"\n );\n\n // Reset current transaction signer if it was previously updated\n if (signerAddress != msg.sender) {\n currentContextAddress = address(0);\n }\n }\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;\n bytes32 dataHash = keccak256(data);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,\n // salt,\n // bytes32(signerAddress),\n // keccak256(data)\n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, schemaHash) // hash of schema\n mstore(add(memPtr, 32), salt) // salt\n mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff)) // signerAddress\n mstore(add(memPtr, 96), dataHash) // hash of data\n\n // Compute hash\n result := keccak256(memPtr, 128)\n }\n return result;\n }\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address)\n {\n address currentContextAddress_ = currentContextAddress;\n address contextAddress = currentContextAddress_ == address(0) ? msg.sender : currentContextAddress_;\n return contextAddress;\n }\n}\n", + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibAbiEncoder.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MWrapperFunctions.sol\";\n\n\ncontract MixinWrapperFunctions is\n ReentrancyGuard,\n LibMath,\n LibFillResults,\n LibAbiEncoder,\n MExchangeCore,\n MWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrKillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n // Delegate to `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := delegatecall(\n gas, // forward all gas\n address, // call address of this contract\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrKillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n \n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public\n nonReentrant\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n cancelOrderInternal(orders[i]);\n }\n }\n\n /// @dev Fetches information for all passed in orders.\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n LibOrder.OrderInfo[] memory ordersInfo = new LibOrder.OrderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n ordersInfo[i] = getOrderInfo(orders[i]);\n }\n return ordersInfo;\n }\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n require(\n fillResults.takerAssetFilledAmount == takerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return fillResults;\n }\n}\n", + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssetProxyDispatcher {\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external;\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./IExchangeCore.sol\";\nimport \"./IMatchOrders.sol\";\nimport \"./ISignatureValidator.sol\";\nimport \"./ITransactions.sol\";\nimport \"./IAssetProxyDispatcher.sol\";\nimport \"./IWrapperFunctions.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract IExchange is\n IExchangeCore,\n IMatchOrders,\n ISignatureValidator,\n ITransactions,\n IAssetProxyDispatcher,\n IWrapperFunctions\n{}\n", + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IExchangeCore {\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external;\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrder(LibOrder.Order memory order)\n public;\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(LibOrder.Order memory order)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IMatchOrders {\n\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ISignatureValidator {\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external;\n \n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external;\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address of signer.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\n\ncontract ITransactions {\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external;\n}\n", + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IValidator {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IWallet {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IWrapperFunctions {\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public;\n\n /// @dev Fetches information for all passed in orders\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory);\n}\n", + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./LibOrder.sol\";\n\n\ncontract LibAbiEncoder {\n\n /// @dev ABI encodes calldata for `fillOrder`.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return ABI encoded calldata for `fillOrder`.\n function abiEncodeFillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n pure\n returns (bytes memory fillOrderCalldata)\n {\n // We need to call MExchangeCore.fillOrder using a delegatecall in\n // assembly so that we can intercept a call that throws. For this, we\n // need the input encoded in memory in the Ethereum ABIv2 format [1].\n\n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0x00 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 0x00 | | 1. offset to order (*) |\n // | | 0x20 | | 2. takerAssetFillAmount |\n // | | 0x40 | | 3. offset to signature (*) |\n // | Data | | 12 * 32 | order: |\n // | | 0x000 | | 1. senderAddress |\n // | | 0x020 | | 2. makerAddress |\n // | | 0x040 | | 3. takerAddress |\n // | | 0x060 | | 4. feeRecipientAddress |\n // | | 0x080 | | 5. makerAssetAmount |\n // | | 0x0A0 | | 6. takerAssetAmount |\n // | | 0x0C0 | | 7. makerFeeAmount |\n // | | 0x0E0 | | 8. takerFeeAmount |\n // | | 0x100 | | 9. expirationTimeSeconds |\n // | | 0x120 | | 10. salt |\n // | | 0x140 | | 11. Offset to makerAssetData (*) |\n // | | 0x160 | | 12. Offset to takerAssetData (*) |\n // | | 0x180 | 32 | makerAssetData Length |\n // | | 0x1A0 | ** | makerAssetData Contents |\n // | | 0x1C0 | 32 | takerAssetData Length |\n // | | 0x1E0 | ** | takerAssetData Contents |\n // | | 0x200 | 32 | signature Length |\n // | | 0x220 | ** | signature Contents |\n\n // * Offsets are calculated from the beginning of the current area: Header, Params, Data:\n // An offset stored in the Params area is calculated from the beginning of the Params section.\n // An offset stored in the Data area is calculated from the beginning of the Data section.\n\n // ** The length of dynamic array contents are stored in the field immediately preceeding the contents.\n\n // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html\n\n assembly {\n\n // Areas below may use the following variables:\n // 1. Start -- Start of this area in memory\n // 2. End -- End of this area in memory. This value may\n // be precomputed (before writing contents),\n // or it may be computed as contents are written.\n // 3. Offset -- Current offset into area. If an area's End\n // is precomputed, this variable tracks the\n // offsets of contents as they are written.\n\n /////// Setup Header Area ///////\n // Load free memory pointer\n fillOrderCalldata := mload(0x40)\n // bytes4(keccak256(\"fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)\"))\n // = 0xb4be83d5\n // Leave 0x20 bytes to store the length\n mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000)\n let headerAreaEnd := add(fillOrderCalldata, 0x24)\n\n /////// Setup Params Area ///////\n // This area is preallocated and written to later.\n // This is because we need to fill in offsets that have not yet been calculated.\n let paramsAreaStart := headerAreaEnd\n let paramsAreaEnd := add(paramsAreaStart, 0x60)\n let paramsAreaOffset := paramsAreaStart\n\n /////// Setup Data Area ///////\n let dataAreaStart := paramsAreaEnd\n let dataAreaEnd := dataAreaStart\n\n // Offset from the source data we're reading from\n let sourceOffset := order\n // arrayLenBytes and arrayLenWords track the length of a dynamically-allocated bytes array.\n let arrayLenBytes := 0\n let arrayLenWords := 0\n\n /////// Write order Struct ///////\n // Write memory location of Order, relative to the start of the\n // parameter list, then increment the paramsAreaOffset respectively.\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n // Write values for each field in the order\n // It would be nice to use a loop, but we save on gas by writing\n // the stores sequentially.\n mstore(dataAreaEnd, mload(sourceOffset)) // makerAddress\n mstore(add(dataAreaEnd, 0x20), mload(add(sourceOffset, 0x20))) // takerAddress\n mstore(add(dataAreaEnd, 0x40), mload(add(sourceOffset, 0x40))) // feeRecipientAddress\n mstore(add(dataAreaEnd, 0x60), mload(add(sourceOffset, 0x60))) // senderAddress\n mstore(add(dataAreaEnd, 0x80), mload(add(sourceOffset, 0x80))) // makerAssetAmount\n mstore(add(dataAreaEnd, 0xA0), mload(add(sourceOffset, 0xA0))) // takerAssetAmount\n mstore(add(dataAreaEnd, 0xC0), mload(add(sourceOffset, 0xC0))) // makerFeeAmount\n mstore(add(dataAreaEnd, 0xE0), mload(add(sourceOffset, 0xE0))) // takerFeeAmount\n mstore(add(dataAreaEnd, 0x100), mload(add(sourceOffset, 0x100))) // expirationTimeSeconds\n mstore(add(dataAreaEnd, 0x120), mload(add(sourceOffset, 0x120))) // salt\n mstore(add(dataAreaEnd, 0x140), mload(add(sourceOffset, 0x140))) // Offset to makerAssetData\n mstore(add(dataAreaEnd, 0x160), mload(add(sourceOffset, 0x160))) // Offset to takerAssetData\n dataAreaEnd := add(dataAreaEnd, 0x180)\n sourceOffset := add(sourceOffset, 0x180)\n\n // Write offset to \n mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x140)) // makerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Write offset to \n mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x160)) // takerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n /////// Write takerAssetFillAmount ///////\n mstore(paramsAreaOffset, takerAssetFillAmount)\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n /////// Write signature ///////\n // Write offset to paramsArea\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n\n // Calculate length of signature\n sourceOffset := signature\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of signature\n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of signature\n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Set length of calldata\n mstore(fillOrderCalldata, sub(dataAreaEnd, add(fillOrderCalldata, 0x20)))\n\n // Increment free memory pointer\n mstore(0x40, dataAreaEnd)\n }\n\n return fillOrderCalldata;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\n// solhint-disable max-line-length\ncontract LibConstants {\n \n // Asset data for ZRX token. Used for fee transfers.\n // @TODO: Hardcode constant when we deploy. Currently \n // not constant to make testing easier.\n\n // The proxyId for ZRX_ASSET_DATA is bytes4(keccak256(\"ERC20Token(address)\")) = 0xf47261b0\n \n // Kovan ZRX address is 0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570.\n // The ABI encoded proxyId and address is 0xf47261b00000000000000000000000006ff6c0ff1d68b964901f986d4c9fa3ac68346570\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x6f\\xf6\\xc0\\xff\\x1d\\x68\\xb9\\x64\\x90\\x1f\\x98\\x6d\\x4c\\x9f\\xa3\\xac\\x68\\x34\\x65\\x70\";\n \n // Mainnet ZRX address is 0xe41d2489571d322189246dafa5ebde1f4699f498.\n // The ABI encoded proxyId and address is 0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xe4\\x1d\\x24\\x89\\x57\\x1d\\x32\\x21\\x89\\x24\\x6d\\xaf\\xa5\\xeb\\xde\\x1f\\x46\\x99\\xf4\\x98\";\n \n // solhint-disable-next-line var-name-mixedcase\n bytes public ZRX_ASSET_DATA;\n\n // @TODO: Remove when we deploy.\n constructor (bytes memory zrxAssetData)\n public\n {\n ZRX_ASSET_DATA = zrxAssetData;\n }\n}\n// solhint-enable max-line-length\n", + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract LibEIP712 {\n\n // EIP191 header for EIP712 prefix\n string constant internal EIP191_HEADER = \"\\x19\\x01\";\n\n // EIP712 Domain Name value\n string constant internal EIP712_DOMAIN_NAME = \"0x Protocol\";\n\n // EIP712 Domain Version value\n string constant internal EIP712_DOMAIN_VERSION = \"2\";\n\n // Hash of the EIP712 Domain Separator Schema\n bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"EIP712Domain(\",\n \"string name,\",\n \"string version,\",\n \"address verifyingContract\",\n \")\"\n ));\n\n // Hash of the EIP712 Domain Separator data\n // solhint-disable-next-line var-name-mixedcase\n bytes32 public EIP712_DOMAIN_HASH;\n\n constructor ()\n public\n {\n EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(\n EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,\n keccak256(bytes(EIP712_DOMAIN_NAME)),\n keccak256(bytes(EIP712_DOMAIN_VERSION)),\n bytes32(address(this))\n ));\n }\n\n /// @dev Calculates EIP712 encoding for a hash struct in this EIP712 Domain.\n /// @param hashStruct The EIP712 hash struct.\n /// @return EIP712 hash applied to this EIP712 Domain.\n function hashEIP712Message(bytes32 hashStruct)\n internal\n view\n returns (bytes32 result)\n {\n bytes32 eip712DomainHash = EIP712_DOMAIN_HASH;\n\n // Assembly for more efficient computing:\n // keccak256(abi.encodePacked(\n // EIP191_HEADER,\n // EIP712_DOMAIN_HASH,\n // hashStruct \n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, 0x1901000000000000000000000000000000000000000000000000000000000000) // EIP191 header\n mstore(add(memPtr, 2), eip712DomainHash) // EIP712 domain hash\n mstore(add(memPtr, 34), hashStruct) // Hash of struct\n\n // Compute hash\n result := keccak256(memPtr, 66)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity 0.4.24;\n\n\n/// @dev This contract documents the revert reasons used in the Exchange contract.\n/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons.\ncontract LibExchangeErrors {\n\n /// Order validation errors ///\n string constant ORDER_UNFILLABLE = \"ORDER_UNFILLABLE\"; // Order cannot be filled.\n string constant INVALID_MAKER = \"INVALID_MAKER\"; // Invalid makerAddress.\n string constant INVALID_TAKER = \"INVALID_TAKER\"; // Invalid takerAddress.\n string constant INVALID_SENDER = \"INVALID_SENDER\"; // Invalid `msg.sender`.\n string constant INVALID_ORDER_SIGNATURE = \"INVALID_ORDER_SIGNATURE\"; // Signature validation failed. \n \n /// fillOrder validation errors ///\n string constant INVALID_TAKER_AMOUNT = \"INVALID_TAKER_AMOUNT\"; // takerAssetFillAmount cannot equal 0.\n string constant ROUNDING_ERROR = \"ROUNDING_ERROR\"; // Rounding error greater than 0.1% of takerAssetFillAmount. \n \n /// Signature validation errors ///\n string constant INVALID_SIGNATURE = \"INVALID_SIGNATURE\"; // Signature validation failed. \n string constant SIGNATURE_ILLEGAL = \"SIGNATURE_ILLEGAL\"; // Signature type is illegal.\n string constant SIGNATURE_UNSUPPORTED = \"SIGNATURE_UNSUPPORTED\"; // Signature type unsupported.\n \n /// cancelOrdersUptTo errors ///\n string constant INVALID_NEW_ORDER_EPOCH = \"INVALID_NEW_ORDER_EPOCH\"; // Specified salt must be greater than or equal to existing orderEpoch.\n\n /// fillOrKillOrder errors ///\n string constant COMPLETE_FILL_FAILED = \"COMPLETE_FILL_FAILED\"; // Desired takerAssetFillAmount could not be completely filled. \n\n /// matchOrders errors ///\n string constant NEGATIVE_SPREAD_REQUIRED = \"NEGATIVE_SPREAD_REQUIRED\"; // Matched orders must have a negative spread.\n\n /// Transaction errors ///\n string constant REENTRANCY_ILLEGAL = \"REENTRANCY_ILLEGAL\"; // Recursive reentrancy is not allowed. \n string constant INVALID_TX_HASH = \"INVALID_TX_HASH\"; // Transaction has already been executed. \n string constant INVALID_TX_SIGNATURE = \"INVALID_TX_SIGNATURE\"; // Signature validation failed. \n string constant FAILED_EXECUTION = \"FAILED_EXECUTION\"; // Transaction execution failed. \n \n /// registerAssetProxy errors ///\n string constant ASSET_PROXY_ALREADY_EXISTS = \"ASSET_PROXY_ALREADY_EXISTS\"; // AssetProxy with same id already exists.\n\n /// dispatchTransferFrom errors ///\n string constant ASSET_PROXY_DOES_NOT_EXIST = \"ASSET_PROXY_DOES_NOT_EXIST\"; // No assetProxy registered at given id.\n string constant TRANSFER_FAILED = \"TRANSFER_FAILED\"; // Asset transfer unsuccesful.\n\n /// Length validation errors ///\n string constant LENGTH_GREATER_THAN_0_REQUIRED = \"LENGTH_GREATER_THAN_0_REQUIRED\"; // Byte array must have a length greater than 0.\n string constant LENGTH_GREATER_THAN_3_REQUIRED = \"LENGTH_GREATER_THAN_3_REQUIRED\"; // Byte array must have a length greater than 3.\n string constant LENGTH_0_REQUIRED = \"LENGTH_0_REQUIRED\"; // Byte array must have a length of 0.\n string constant LENGTH_65_REQUIRED = \"LENGTH_65_REQUIRED\"; // Byte array must have a length of 65.\n}\n", + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibFillResults is\n SafeMath\n{\n struct FillResults {\n uint256 makerAssetFilledAmount; // Total amount of makerAsset(s) filled.\n uint256 takerAssetFilledAmount; // Total amount of takerAsset(s) filled.\n uint256 makerFeePaid; // Total amount of ZRX paid by maker(s) to feeRecipient(s).\n uint256 takerFeePaid; // Total amount of ZRX paid by taker to feeRecipients(s).\n }\n\n struct MatchedFillResults {\n FillResults left; // Amounts filled and fees paid of left order.\n FillResults right; // Amounts filled and fees paid of right order.\n uint256 leftMakerAssetSpreadAmount; // Spread between price of left and right order, denominated in the left order's makerAsset, paid to taker.\n }\n\n /// @dev Adds properties of both FillResults instances.\n /// Modifies the first FillResults instance specified.\n /// @param totalFillResults Fill results instance that will be added onto.\n /// @param singleFillResults Fill results instance that will be added to totalFillResults.\n function addFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)\n internal\n pure\n {\n totalFillResults.makerAssetFilledAmount = safeAdd(totalFillResults.makerAssetFilledAmount, singleFillResults.makerAssetFilledAmount);\n totalFillResults.takerAssetFilledAmount = safeAdd(totalFillResults.takerAssetFilledAmount, singleFillResults.takerAssetFilledAmount);\n totalFillResults.makerFeePaid = safeAdd(totalFillResults.makerFeePaid, singleFillResults.makerFeePaid);\n totalFillResults.takerFeePaid = safeAdd(totalFillResults.takerFeePaid, singleFillResults.takerFeePaid);\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibMath.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibMath is\n SafeMath\n{\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function safeGetPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorFloor(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function safeGetPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorCeil(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function getPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function getPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // The absolute rounding error is the difference between the rounded\n // value and the ideal value. The relative rounding error is the\n // absolute rounding error divided by the absolute value of the\n // ideal value. This is undefined when the ideal value is zero.\n //\n // The ideal value is `numerator * target / denominator`.\n // Let's call `numerator * target % denominator` the remainder.\n // The absolute error is `remainder / denominator`.\n //\n // When the ideal value is zero, we require the absolute error to\n // be zero. Fortunately, this is always the case. The ideal value is\n // zero iff `numerator == 0` and/or `target == 0`. In this case the\n // remainder and absolute error are also zero. \n if (target == 0 || numerator == 0) {\n return false;\n }\n \n // Otherwise, we want the relative rounding error to be strictly\n // less than 0.1%.\n // The relative error is `remainder / (numerator * target)`.\n // We want the relative error less than 1 / 1000:\n // remainder / (numerator * denominator) < 1 / 1000\n // or equivalently:\n // 1000 * remainder < numerator * target\n // so we have a rounding error iff:\n // 1000 * remainder >= numerator * target\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding up.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // See the comments in `isRoundingError`.\n if (target == 0 || numerator == 0) {\n // When either is zero, the ideal value and rounded value are zero\n // and there is no rounding error. (Although the relative error\n // is undefined.)\n return false;\n }\n // Compute remainder as before\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n remainder = safeSub(denominator, remainder) % denominator;\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibOrder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./LibEIP712.sol\";\n\n\ncontract LibOrder is\n LibEIP712\n{\n // Hash for the EIP712 Order Schema\n bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"Order(\",\n \"address makerAddress,\",\n \"address takerAddress,\",\n \"address feeRecipientAddress,\",\n \"address senderAddress,\",\n \"uint256 makerAssetAmount,\",\n \"uint256 takerAssetAmount,\",\n \"uint256 makerFee,\",\n \"uint256 takerFee,\",\n \"uint256 expirationTimeSeconds,\",\n \"uint256 salt,\",\n \"bytes makerAssetData,\",\n \"bytes takerAssetData\",\n \")\"\n ));\n\n // A valid order remains fillable until it is expired, fully filled, or cancelled.\n // An order's state is unaffected by external factors, like account balances.\n enum OrderStatus {\n INVALID, // Default value\n INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount\n INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount\n FILLABLE, // Order is fillable\n EXPIRED, // Order has already expired\n FULLY_FILLED, // Order is fully filled\n CANCELLED // Order has been cancelled\n }\n\n // solhint-disable max-line-length\n struct Order {\n address makerAddress; // Address that created the order. \n address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order. \n address feeRecipientAddress; // Address that will recieve fees when order is filled. \n address senderAddress; // Address that is allowed to call Exchange contract methods that affect this order. If set to 0, any address is allowed to call these methods.\n uint256 makerAssetAmount; // Amount of makerAsset being offered by maker. Must be greater than 0. \n uint256 takerAssetAmount; // Amount of takerAsset being bid on by maker. Must be greater than 0. \n uint256 makerFee; // Amount of ZRX paid to feeRecipient by maker when order is filled. If set to 0, no transfer of ZRX from maker to feeRecipient will be attempted.\n uint256 takerFee; // Amount of ZRX paid to feeRecipient by taker when order is filled. If set to 0, no transfer of ZRX from taker to feeRecipient will be attempted.\n uint256 expirationTimeSeconds; // Timestamp in seconds at which order expires. \n uint256 salt; // Arbitrary number to facilitate uniqueness of the order's hash. \n bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.\n bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.\n }\n // solhint-enable max-line-length\n\n struct OrderInfo {\n uint8 orderStatus; // Status that describes order's validity and fillability.\n bytes32 orderHash; // EIP712 hash of the order (see LibOrder.getOrderHash).\n uint256 orderTakerAssetFilledAmount; // Amount of order that has already been filled.\n }\n\n /// @dev Calculates Keccak-256 hash of the order.\n /// @param order The order structure.\n /// @return Keccak-256 EIP712 hash of the order.\n function getOrderHash(Order memory order)\n internal\n view\n returns (bytes32 orderHash)\n {\n orderHash = hashEIP712Message(hashOrder(order));\n return orderHash;\n }\n\n /// @dev Calculates EIP712 hash of the order.\n /// @param order The order structure.\n /// @return EIP712 hash of the order.\n function hashOrder(Order memory order)\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ORDER_SCHEMA_HASH;\n bytes32 makerAssetDataHash = keccak256(order.makerAssetData);\n bytes32 takerAssetDataHash = keccak256(order.takerAssetData);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ORDER_SCHEMA_HASH,\n // bytes32(order.makerAddress),\n // bytes32(order.takerAddress),\n // bytes32(order.feeRecipientAddress),\n // bytes32(order.senderAddress),\n // order.makerAssetAmount,\n // order.takerAssetAmount,\n // order.makerFee,\n // order.takerFee,\n // order.expirationTimeSeconds,\n // order.salt,\n // keccak256(order.makerAssetData),\n // keccak256(order.takerAssetData)\n // ));\n\n assembly {\n // Calculate memory addresses that will be swapped out before hashing\n let pos1 := sub(order, 32)\n let pos2 := add(order, 320)\n let pos3 := add(order, 352)\n\n // Backup\n let temp1 := mload(pos1)\n let temp2 := mload(pos2)\n let temp3 := mload(pos3)\n \n // Hash in place\n mstore(pos1, schemaHash)\n mstore(pos2, makerAssetDataHash)\n mstore(pos3, takerAssetDataHash)\n result := keccak256(pos1, 416)\n \n // Restore\n mstore(pos1, temp1)\n mstore(pos2, temp2)\n mstore(pos3, temp3)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssetProxyDispatcher.sol\";\n\n\ncontract MAssetProxyDispatcher is\n IAssetProxyDispatcher\n{\n // Logs registration of new asset proxy\n event AssetProxyRegistered(\n bytes4 id, // Id of new registered AssetProxy.\n address assetProxy // Address of new registered AssetProxy.\n );\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IExchangeCore.sol\";\n\n\ncontract MExchangeCore is\n IExchangeCore\n{\n // Fill event is emitted whenever an order is filled.\n event Fill(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that received fees.\n address takerAddress, // Address that filled the order.\n address senderAddress, // Address that called the Exchange contract (msg.sender).\n uint256 makerAssetFilledAmount, // Amount of makerAsset sold by maker and bought by taker. \n uint256 takerAssetFilledAmount, // Amount of takerAsset sold by taker and bought by maker.\n uint256 makerFeePaid, // Amount of ZRX paid to feeRecipient by maker.\n uint256 takerFeePaid, // Amount of ZRX paid to feeRecipient by taker.\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // Cancel event is emitted whenever an individual order is cancelled.\n event Cancel(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that would have recieved fees if order was filled. \n address senderAddress, // Address that called the Exchange contract (msg.sender).\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // CancelUpTo event is emitted whenever `cancelOrdersUpTo` is executed succesfully.\n event CancelUpTo(\n address indexed makerAddress, // Orders cancelled must have been created by this address.\n address indexed senderAddress, // Orders cancelled must have a `senderAddress` equal to this address.\n uint256 orderEpoch // Orders with specified makerAddress and senderAddress with a salt less than this value are considered cancelled.\n );\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrderInternal(LibOrder.Order memory order)\n internal;\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function updateFilledState(\n LibOrder.Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n LibFillResults.FillResults memory fillResults\n )\n internal;\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n LibOrder.Order memory order,\n bytes32 orderHash\n )\n internal;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo Status, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view;\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo\n )\n internal\n view;\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n LibOrder.Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.FillResults memory fillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IMatchOrders.sol\";\n\n\ncontract MMatchOrders is\n IMatchOrders\n{\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure;\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/ISignatureValidator.sol\";\n\n\ncontract MSignatureValidator is\n ISignatureValidator\n{\n event SignatureValidatorApproval(\n address indexed signerAddress, // Address that approves or disapproves a contract to verify signatures.\n address indexed validatorAddress, // Address of signature validator contract.\n bool approved // Approval or disapproval of validator contract.\n );\n\n // Allowed signature types.\n enum SignatureType {\n Illegal, // 0x00, default value\n Invalid, // 0x01\n EIP712, // 0x02\n EthSign, // 0x03\n Wallet, // 0x04\n Validator, // 0x05\n PreSigned, // 0x06\n NSignatureTypes // 0x07, number of signature types. Always leave at end.\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"../interfaces/ITransactions.sol\";\n\n\ncontract MTransactions is\n ITransactions\n{\n // Hash for the EIP712 ZeroEx Transaction Schema\n bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"ZeroExTransaction(\",\n \"uint256 salt,\",\n \"address signerAddress,\",\n \"bytes data\",\n \")\"\n ));\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result);\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address);\n}\n", + "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IWrapperFunctions.sol\";\n\n\ncontract MWrapperFunctions is \n IWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n}\n", + "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/MintableERC20Token.sol\";\n\n\ncontract DummyERC20Token is \n Ownable,\n MintableERC20Token\n{\n string public name;\n string public symbol;\n uint256 public decimals;\n uint256 public constant MAX_MINT_AMOUNT = 10000000000000000000000;\n\n constructor (\n string _name,\n string _symbol,\n uint256 _decimals,\n uint256 _totalSupply\n )\n public\n {\n name = _name;\n symbol = _symbol;\n decimals = _decimals;\n _totalSupply = _totalSupply;\n balances[msg.sender] = _totalSupply;\n }\n\n /// @dev Sets the balance of target address\n /// @param _target Address or which balance will be updated\n /// @param _value New balance of target address\n function setBalance(address _target, uint256 _value)\n external\n onlyOwner\n {\n uint256 currBalance = balances[_target];\n if (_value < currBalance) {\n _totalSupply = safeSub(_totalSupply, safeSub(currBalance, _value));\n } else {\n _totalSupply = safeAdd(_totalSupply, safeSub(_value, currBalance));\n }\n balances[_target] = _value;\n }\n\n /// @dev Mints new tokens for sender\n /// @param _value Amount of tokens to mint\n function mint(uint256 _value)\n external\n {\n require(\n _value <= MAX_MINT_AMOUNT,\n \"VALUE_TOO_LARGE\"\n );\n\n _mint(msg.sender, _value);\n }\n}\n", + "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../tokens/ERC721Token/MintableERC721Token.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract DummyERC721Token is\n Ownable,\n MintableERC721Token\n{\n string public name;\n string public symbol;\n\n constructor (\n string _name,\n string _symbol\n )\n public\n {\n name = _name;\n symbol = _symbol;\n }\n\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function mint(address _to, uint256 _tokenId)\n external\n {\n _mint(_to, _tokenId);\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist or not called by contract owner\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function burn(address _owner, uint256 _tokenId)\n external\n onlyOwner\n {\n _burn(_owner, _tokenId);\n }\n}\n", + "2.0.0/tokens/ERC20Token/ERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC20Token.sol\";\n\n\ncontract ERC20Token is\n IERC20Token\n{\n mapping (address => uint256) internal balances;\n mapping (address => mapping (address => uint256)) internal allowed;\n\n uint256 internal _totalSupply;\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool)\n {\n require(\n balances[msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[msg.sender] -= _value;\n balances[_to] += _value;\n\n emit Transfer(\n msg.sender,\n _to,\n _value\n );\n\n return true;\n }\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowed[_from][msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n allowed[_from][msg.sender] -= _value;\n \n emit Transfer(\n _from,\n _to,\n _value\n );\n \n return true;\n }\n\n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool)\n {\n allowed[msg.sender][_spender] = _value;\n emit Approval(\n msg.sender,\n _spender,\n _value\n );\n return true;\n }\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256)\n {\n return _totalSupply;\n }\n\n /// @dev Query the balance of owner\n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n return balances[_owner];\n }\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256)\n {\n return allowed[_owner][_spender];\n }\n}\n", + "2.0.0/tokens/ERC20Token/IERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n \n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n \n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", + "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/SafeMath/SafeMath.sol\";\nimport \"./UnlimitedAllowanceERC20Token.sol\";\n\n\ncontract MintableERC20Token is \n SafeMath,\n UnlimitedAllowanceERC20Token\n{\n /// @dev Mints new tokens\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _value Amount of tokens to mint\n function _mint(address _to, uint256 _value)\n internal\n {\n balances[_to] = safeAdd(_value, balances[_to]);\n _totalSupply = safeAdd(_totalSupply, _value);\n\n emit Transfer(\n address(0),\n _to,\n _value\n );\n }\n\n /// @dev Mints new tokens\n /// @param _owner Owner of tokens that will be burned\n /// @param _value Amount of tokens to burn\n function _burn(address _owner, uint256 _value)\n internal\n {\n balances[_owner] = safeSub(balances[_owner], _value);\n _totalSupply = safeSub(_totalSupply, _value);\n\n emit Transfer(\n _owner,\n address(0),\n _value\n );\n }\n}\n", + "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/ERC20Token.sol\";\n\n\ncontract UnlimitedAllowanceERC20Token is\n ERC20Token\n{\n uint256 constant internal MAX_UINT = 2**256 - 1;\n\n /// @dev ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited allowance. See https://github.com/ethereum/EIPs/issues/717\n /// @param _from Address to transfer from.\n /// @param _to Address to transfer to.\n /// @param _value Amount to transfer.\n /// @return Success of transfer.\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n uint256 allowance = allowed[_from][msg.sender];\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowance >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n if (allowance < MAX_UINT) {\n allowed[_from][msg.sender] -= _value;\n }\n\n emit Transfer(\n _from,\n _to,\n _value\n );\n\n return true;\n }\n}\n", + "2.0.0/tokens/ERC721Token/ERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC721Token.sol\";\nimport \"./IERC721Receiver.sol\";\nimport \"../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract ERC721Token is\n IERC721Token,\n SafeMath\n{\n // Function selector for ERC721Receiver.onERC721Received\n // 0x150b7a02\n bytes4 constant internal ERC721_RECEIVED = bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"));\n\n // Mapping of tokenId => owner\n mapping (uint256 => address) internal owners;\n\n // Mapping of tokenId => approved address\n mapping (uint256 => address) internal approvals;\n\n // Mapping of owner => number of tokens owned\n mapping (address => uint256) internal balances;\n\n // Mapping of owner => operator => approved\n mapping (address => mapping (address => bool)) internal operatorApprovals;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n _data\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n \"\"\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external\n {\n address owner = ownerOf(_tokenId);\n require(\n msg.sender == owner || isApprovedForAll(owner, msg.sender),\n \"ERC721_INVALID_SENDER\"\n );\n\n approvals[_tokenId] = _approved;\n emit Approval(\n owner,\n _approved,\n _tokenId\n );\n }\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external\n {\n operatorApprovals[msg.sender][_operator] = _approved;\n emit ApprovalForAll(\n msg.sender,\n _operator,\n _approved\n );\n }\n \n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return balances[_owner];\n }\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = ownerOf(_tokenId);\n require(\n _from == owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n address spender = msg.sender;\n address approvedAddress = getApproved(_tokenId);\n require(\n spender == owner ||\n isApprovedForAll(owner, spender) ||\n approvedAddress == spender,\n \"ERC721_INVALID_SPENDER\"\n );\n\n if (approvedAddress != address(0)) {\n approvals[_tokenId] = address(0);\n }\n\n owners[_tokenId] = _to;\n balances[_from] = safeSub(balances[_from], 1);\n balances[_to] = safeAdd(balances[_to], 1);\n \n emit Transfer(\n _from,\n _to,\n _tokenId\n );\n }\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address)\n {\n address owner = owners[_tokenId];\n require(\n owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return owner;\n }\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId)\n public\n view\n returns (address)\n {\n return approvals[_tokenId];\n }\n\n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool)\n {\n return operatorApprovals[_owner][_operator];\n }\n}\n", + "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Receiver {\n\n /// @notice Handle the receipt of an NFT\n /// @dev The ERC721 smart contract calls this function on the recipient\n /// after a `transfer`. This function MAY throw to revert and reject the\n /// transfer. Return of other than the magic value MUST result in the\n /// transaction being reverted.\n /// Note: the contract address is always the message sender.\n /// @param _operator The address which called `safeTransferFrom` function\n /// @param _from The address which previously owned the token\n /// @param _tokenId The NFT identifier which is being transferred\n /// @param _data Additional data with no specified format\n /// @return `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`\n /// unless throwing\n function onERC721Received(\n address _operator,\n address _from,\n uint256 _tokenId,\n bytes _data\n )\n external\n returns (bytes4);\n}\n", + "2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Token {\n\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(\n address indexed _owner,\n address indexed _approved,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(\n address indexed _owner,\n address indexed _operator,\n bool _approved\n );\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// perator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external;\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public;\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address);\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) \n public\n view\n returns (address);\n \n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool);\n}\n", + "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./ERC721Token.sol\";\n\n\ncontract MintableERC721Token is\n ERC721Token\n{\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function _mint(address _to, uint256 _tokenId)\n internal\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == address(0),\n \"ERC721_OWNER_ALREADY_EXISTS\"\n );\n\n owners[_tokenId] = _to;\n balances[_to] = safeAdd(balances[_to], 1);\n\n emit Transfer(\n address(0),\n _to,\n _tokenId\n );\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function _burn(address _owner, uint256 _tokenId)\n internal\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == _owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n owners[_tokenId] = address(0);\n balances[_owner] = safeSub(balances[_owner], 1);\n\n emit Transfer(\n _owner,\n address(0),\n _tokenId\n );\n }\n}\n", + "2.0.0/tokens/EtherToken/IEtherToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/IERC20Token.sol\";\n\n\ncontract IEtherToken is\n IERC20Token\n{\n function deposit()\n public\n payable;\n \n function withdraw(uint256 amount)\n public;\n}\n", + "2.0.0/utils/LibBytes/LibBytes.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\nlibrary LibBytes {\n\n using LibBytes for bytes;\n\n /// @dev Gets the memory address for a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of byte array. This\n /// points to the header of the byte array which contains\n /// the length.\n function rawAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := input\n }\n return memoryAddress;\n }\n \n /// @dev Gets the memory address for the contents of a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of the contents of the byte array.\n function contentAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := add(input, 32)\n }\n return memoryAddress;\n }\n\n /// @dev Copies `length` bytes from memory location `source` to `dest`.\n /// @param dest memory address to copy bytes to.\n /// @param source memory address to copy bytes from.\n /// @param length number of bytes to copy.\n function memCopy(\n uint256 dest,\n uint256 source,\n uint256 length\n )\n internal\n pure\n {\n if (length < 32) {\n // Handle a partial word by reading destination and masking\n // off the bits we are interested in.\n // This correctly handles overlap, zero lengths and source == dest\n assembly {\n let mask := sub(exp(256, sub(32, length)), 1)\n let s := and(mload(source), not(mask))\n let d := and(mload(dest), mask)\n mstore(dest, or(s, d))\n }\n } else {\n // Skip the O(length) loop when source == dest.\n if (source == dest) {\n return;\n }\n\n // For large copies we copy whole words at a time. The final\n // word is aligned to the end of the range (instead of after the\n // previous) to handle partial words. So a copy will look like this:\n //\n // ####\n // ####\n // ####\n // ####\n //\n // We handle overlap in the source and destination range by\n // changing the copying direction. This prevents us from\n // overwriting parts of source that we still need to copy.\n //\n // This correctly handles source == dest\n //\n if (source > dest) {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because it\n // is easier to compare with in the loop, and these\n // are also the addresses we need for copying the\n // last bytes.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the last 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the last bytes in\n // source already due to overlap.\n let last := mload(sEnd)\n\n // Copy whole words front to back\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} lt(source, sEnd) {} {\n mstore(dest, mload(source))\n source := add(source, 32)\n dest := add(dest, 32)\n }\n \n // Write the last 32 bytes\n mstore(dEnd, last)\n }\n } else {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because those\n // are the starting points when copying a word at the end.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the first 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the first bytes in\n // source already due to overlap.\n let first := mload(source)\n\n // Copy whole words back to front\n // We use a signed comparisson here to allow dEnd to become\n // negative (happens when source and dest < 32). Valid\n // addresses in local memory will never be larger than\n // 2**255, so they can be safely re-interpreted as signed.\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} slt(dest, dEnd) {} {\n mstore(dEnd, mload(sEnd))\n sEnd := sub(sEnd, 32)\n dEnd := sub(dEnd, 32)\n }\n \n // Write the first 32 bytes\n mstore(dest, first)\n }\n }\n }\n }\n\n /// @dev Returns a slices from a byte array.\n /// @param b The byte array to take a slice from.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n function slice(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure and copy contents\n result = new bytes(to - from);\n memCopy(\n result.contentAddress(),\n b.contentAddress() + from,\n result.length\n );\n return result;\n }\n \n /// @dev Returns a slice from a byte array without preserving the input.\n /// @param b The byte array to take a slice from. Will be destroyed in the process.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n /// @dev When `from == 0`, the original array will match the slice. In other cases its state will be corrupted.\n function sliceDestructive(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure around [from, to) in-place.\n assembly {\n result := add(b, from)\n mstore(result, sub(to, from))\n }\n return result;\n }\n\n /// @dev Pops the last byte off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The byte that was popped off.\n function popLastByte(bytes memory b)\n internal\n pure\n returns (bytes1 result)\n {\n require(\n b.length > 0,\n \"GREATER_THAN_ZERO_LENGTH_REQUIRED\"\n );\n\n // Store last byte.\n result = b[b.length - 1];\n\n assembly {\n // Decrement length of byte array.\n let newLen := sub(mload(b), 1)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Pops the last 20 bytes off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The 20 byte address that was popped off.\n function popLast20Bytes(bytes memory b)\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= 20,\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Store last 20 bytes.\n result = readAddress(b, b.length - 20);\n\n assembly {\n // Subtract 20 from byte array length.\n let newLen := sub(mload(b), 20)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Tests equality of two byte arrays.\n /// @param lhs First byte array to compare.\n /// @param rhs Second byte array to compare.\n /// @return True if arrays are the same. False otherwise.\n function equals(\n bytes memory lhs,\n bytes memory rhs\n )\n internal\n pure\n returns (bool equal)\n {\n // Keccak gas cost is 30 + numWords * 6. This is a cheap way to compare.\n // We early exit on unequal lengths, but keccak would also correctly\n // handle this.\n return lhs.length == rhs.length && keccak256(lhs) == keccak256(rhs);\n }\n\n /// @dev Reads an address from a position in a byte array.\n /// @param b Byte array containing an address.\n /// @param index Index in byte array of address.\n /// @return address from byte array.\n function readAddress(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Read address from array memory\n assembly {\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 20-byte mask to obtain address\n result := and(mload(add(b, index)), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n return result;\n }\n\n /// @dev Writes an address into a specific position in a byte array.\n /// @param b Byte array to insert address into.\n /// @param index Index in byte array of address.\n /// @param input Address to put into byte array.\n function writeAddress(\n bytes memory b,\n uint256 index,\n address input\n )\n internal\n pure\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Store address into array memory\n assembly {\n // The address occupies 20 bytes and mstore stores 32 bytes.\n // First fetch the 32-byte word where we'll be storing the address, then\n // apply a mask so we have only the bytes in the word that the address will not occupy.\n // Then combine these bytes with the address and store the 32 bytes back to memory with mstore.\n\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 12-byte mask to obtain extra bytes occupying word of memory where we'll store the address\n let neighbors := and(\n mload(add(b, index)),\n 0xffffffffffffffffffffffff0000000000000000000000000000000000000000\n )\n \n // Make sure input address is clean.\n // (Solidity does not guarantee this)\n input := and(input, 0xffffffffffffffffffffffffffffffffffffffff)\n\n // Store the neighbors and address into memory\n mstore(add(b, index), xor(input, neighbors))\n }\n }\n\n /// @dev Reads a bytes32 value from a position in a byte array.\n /// @param b Byte array containing a bytes32 value.\n /// @param index Index in byte array of bytes32 value.\n /// @return bytes32 value from byte array.\n function readBytes32(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes32 result)\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n result := mload(add(b, index))\n }\n return result;\n }\n\n /// @dev Writes a bytes32 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes32 to put into byte array.\n function writeBytes32(\n bytes memory b,\n uint256 index,\n bytes32 input\n )\n internal\n pure\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n mstore(add(b, index), input)\n }\n }\n\n /// @dev Reads a uint256 value from a position in a byte array.\n /// @param b Byte array containing a uint256 value.\n /// @param index Index in byte array of uint256 value.\n /// @return uint256 value from byte array.\n function readUint256(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (uint256 result)\n {\n result = uint256(readBytes32(b, index));\n return result;\n }\n\n /// @dev Writes a uint256 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input uint256 to put into byte array.\n function writeUint256(\n bytes memory b,\n uint256 index,\n uint256 input\n )\n internal\n pure\n {\n writeBytes32(b, index, bytes32(input));\n }\n\n /// @dev Reads an unpadded bytes4 value from a position in a byte array.\n /// @param b Byte array containing a bytes4 value.\n /// @param index Index in byte array of bytes4 value.\n /// @return bytes4 value from byte array.\n function readBytes4(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes4 result)\n {\n require(\n b.length >= index + 4,\n \"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 32 byte length field\n index += 32;\n\n // Read the bytes4 from array memory\n assembly {\n result := mload(add(b, index))\n // Solidity does not require us to clean the trailing bytes.\n // We do it anyway\n result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)\n }\n return result;\n }\n\n /// @dev Reads nested bytes from a specific position.\n /// @dev NOTE: the returned value overlaps with the input value.\n /// Both should be treated as immutable.\n /// @param b Byte array containing nested bytes.\n /// @param index Index of nested bytes.\n /// @return result Nested bytes.\n function readBytesWithLength(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes memory result)\n {\n // Read length of nested bytes\n uint256 nestedBytesLength = readUint256(b, index);\n index += 32;\n\n // Assert length of is valid, given\n // length of nested bytes\n require(\n b.length >= index + nestedBytesLength,\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n \n // Return a pointer to the byte array as it exists inside `b`\n assembly {\n result := add(b, index)\n }\n return result;\n }\n\n /// @dev Inserts bytes at a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes to insert.\n function writeBytesWithLength(\n bytes memory b,\n uint256 index,\n bytes memory input\n )\n internal\n pure\n {\n // Assert length of is valid, given\n // length of input\n require(\n b.length >= index + 32 + input.length, // 32 bytes to store length\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n\n // Copy into \n memCopy(\n b.contentAddress() + index,\n input.rawAddress(), // includes length of \n input.length + 32 // +32 bytes to store length\n );\n }\n\n /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length.\n /// @param dest Byte array that will be overwritten with source bytes.\n /// @param source Byte array to copy onto dest bytes.\n function deepCopyBytes(\n bytes memory dest,\n bytes memory source\n )\n internal\n pure\n {\n uint256 sourceLen = source.length;\n // Dest length must be >= source length, or some bytes would not be copied.\n require(\n dest.length >= sourceLen,\n \"GREATER_OR_EQUAL_TO_SOURCE_BYTES_LENGTH_REQUIRED\"\n );\n memCopy(\n dest.contentAddress(),\n source.contentAddress(),\n sourceLen\n );\n }\n}\n", + "2.0.0/utils/Ownable/IOwnable.sol": "pragma solidity 0.4.24;\n\n\ncontract IOwnable {\n\n function transferOwnership(address newOwner)\n public;\n}\n", + "2.0.0/utils/Ownable/Ownable.sol": "pragma solidity 0.4.24;\n\nimport \"./IOwnable.sol\";\n\n\ncontract Ownable is\n IOwnable\n{\n address public owner;\n\n constructor ()\n public\n {\n owner = msg.sender;\n }\n\n modifier onlyOwner() {\n require(\n msg.sender == owner,\n \"ONLY_CONTRACT_OWNER\"\n );\n _;\n }\n\n function transferOwnership(address newOwner)\n public\n onlyOwner\n {\n if (newOwner != address(0)) {\n owner = newOwner;\n }\n }\n}\n", + "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ReentrancyGuard {\n\n // Locked state of mutex\n bool private locked = false;\n\n /// @dev Functions with this modifer cannot be reentered. The mutex will be locked\n /// before function execution and unlocked after.\n modifier nonReentrant() {\n // Ensure mutex is unlocked\n require(\n !locked,\n \"REENTRANCY_ILLEGAL\"\n );\n\n // Lock mutex before function call\n locked = true;\n\n // Perform function call\n _;\n\n // Unlock mutex after function call\n locked = false;\n }\n}\n", + "2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n\n function safeMul(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(\n c / a == b,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function safeDiv(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a / b;\n return c;\n }\n\n function safeSub(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n require(\n b <= a,\n \"UINT256_UNDERFLOW\"\n );\n return a - b;\n }\n\n function safeAdd(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a + b;\n require(\n c >= a,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function max64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n\n function max256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n}\n" + }, + "sourceTreeHashHex": "0xee0dcd8415ba0737890f13994332b71d7fbed7c79041929a551c334c497db064", + "compiler": { + "name": "solc", + "version": "soljson-v0.4.24+commit.e67f0147.js", + "settings": { + "optimizer": { + "enabled": true, + "runs": 1000000 + }, + "outputSelection": { + "*": { + "*": [ + "abi", + "evm.bytecode.object", + "evm.bytecode.sourceMap", + "evm.deployedBytecode.object", + "evm.deployedBytecode.sourceMap" + ] + } + } + } + }, + "networks": {} +} \ No newline at end of file diff --git a/packages/migrations/artifacts/2.0.0-mainnet/ERC721Token.json b/packages/migrations/artifacts/2.0.0-mainnet/ERC721Token.json new file mode 100644 index 000000000..ceb374730 --- /dev/null +++ b/packages/migrations/artifacts/2.0.0-mainnet/ERC721Token.json @@ -0,0 +1,565 @@ +{ + "schemaVersion": "2.0.0", + "contractName": "ERC721Token", + "compilerOutput": { + "abi": [ + { + "constant": true, + "inputs": [ + { + "name": "_tokenId", + "type": "uint256" + } + ], + "name": "getApproved", + "outputs": [ + { + "name": "", + "type": "address" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_approved", + "type": "address" + }, + { + "name": "_tokenId", + "type": "uint256" + } + ], + "name": "approve", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_from", + "type": "address" + }, + { + "name": "_to", + "type": "address" + }, + { + "name": "_tokenId", + "type": "uint256" + } + ], + "name": "transferFrom", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_from", + "type": "address" + }, + { + "name": "_to", + "type": "address" + }, + { + "name": "_tokenId", + "type": "uint256" + } + ], + "name": "safeTransferFrom", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "_tokenId", + "type": "uint256" + } + ], + "name": "ownerOf", + "outputs": [ + { + "name": "", + "type": "address" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "_owner", + "type": "address" + } + ], + "name": "balanceOf", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_operator", + "type": "address" + }, + { + "name": "_approved", + "type": "bool" + } + ], + "name": "setApprovalForAll", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_from", + "type": "address" + }, + { + "name": "_to", + "type": "address" + }, + { + "name": "_tokenId", + "type": "uint256" + }, + { + "name": "_data", + "type": "bytes" + } + ], + "name": "safeTransferFrom", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "_owner", + "type": "address" + }, + { + "name": "_operator", + "type": "address" + } + ], + "name": "isApprovedForAll", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "_from", + "type": "address" + }, + { + "indexed": true, + "name": "_to", + "type": "address" + }, + { + "indexed": true, + "name": "_tokenId", + "type": "uint256" + } + ], + "name": "Transfer", + "type": "event" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "_owner", + "type": "address" + }, + { + "indexed": true, + "name": "_approved", + "type": "address" + }, + { + "indexed": true, + "name": "_tokenId", + "type": "uint256" + } + ], + "name": "Approval", + "type": "event" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "_owner", + "type": "address" + }, + { + "indexed": true, + "name": "_operator", + "type": "address" + }, + { + "indexed": false, + "name": "_approved", + "type": "bool" + } + ], + "name": "ApprovalForAll", + "type": "event" + } + ], + "evm": { + "bytecode": { + "linkReferences": {}, + "object": 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0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND ISZERO ISZERO PUSH2 0xA2E JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F4F574E4552000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD SWAP1 JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP1 DUP6 MSTORE SWAP1 DUP4 MSTORE SWAP3 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND DUP7 ISZERO ISZERO SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP2 MLOAD SWAP1 DUP2 MSTORE SWAP1 MLOAD SWAP3 SWAP4 SWAP3 PUSH32 0x17307EAB39AB6107E8899845AD3D59BD9653F200F220920489CA2B5937696C31 SWAP3 SWAP2 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0xAFE DUP8 DUP8 DUP8 PUSH2 0x3E4 JUMP JUMPDEST DUP6 EXTCODESIZE SWAP2 POP PUSH1 0x0 DUP3 GT ISZERO PUSH2 0xCCB JUMPI PUSH1 0x40 MLOAD PUSH32 0x150B7A0200000000000000000000000000000000000000000000000000000000 DUP2 MSTORE CALLER PUSH1 0x4 DUP3 ADD DUP2 DUP2 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP11 DUP2 AND PUSH1 0x24 DUP6 ADD MSTORE PUSH1 0x44 DUP5 ADD DUP10 SWAP1 MSTORE PUSH1 0x80 PUSH1 0x64 DUP6 ADD SWAP1 DUP2 MSTORE PUSH1 0x84 DUP6 ADD DUP9 SWAP1 MSTORE SWAP1 DUP11 AND SWAP4 PUSH4 0x150B7A02 SWAP4 SWAP3 DUP13 SWAP3 DUP12 SWAP3 DUP12 SWAP3 DUP12 SWAP3 SWAP1 SWAP2 PUSH1 0xA4 ADD DUP5 DUP5 DUP1 DUP3 DUP5 CALLDATACOPY DUP3 ADD SWAP2 POP POP SWAP7 POP POP POP POP POP POP POP PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0xBB2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0xBC6 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x20 DUP2 LT ISZERO PUSH2 0xBDC JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP MLOAD PUSH1 0x40 DUP1 MLOAD PUSH32 0x6F6E455243373231526563656976656428616464726573732C61646472657373 DUP2 MSTORE PUSH32 0x2C75696E743235362C6279746573290000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x2F ADD SWAP1 KECCAK256 SWAP1 SWAP2 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP1 DUP4 AND SWAP2 AND EQ PUSH2 0xCCB JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x17 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F53454C4543544F52000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP POP POP POP POP POP POP JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP2 DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP4 SWAP1 SWAP5 AND DUP3 MSTORE SWAP2 SWAP1 SWAP2 MSTORE KECCAK256 SLOAD PUSH1 0xFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 GT ISZERO PUSH2 0xD80 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F554E444552464C4F57000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP SWAP1 SUB SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 ADD DUP4 DUP2 LT ISZERO PUSH2 0xDFA JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST SWAP4 SWAP3 POP POP POP JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 PUSH20 0x18C14C91209A554964C5F972B95A90FE384DD7DD SWAP7 0xcc REVERT MOD MULMOD SLOAD 0x4e PUSH5 0x39C3C90029 ", + "sourceMap": "712:8295:56:-;;;;8:9:-1;5:2;;;30:1;27;20:12;5:2;712:8295:56;;;;;;;" + }, + "deployedBytecode": { + "linkReferences": {}, + "object": 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+ "opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0x98 JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x81812FC DUP2 EQ PUSH2 0x9D JUMPI DUP1 PUSH4 0x95EA7B3 EQ PUSH2 0xDE JUMPI DUP1 PUSH4 0x23B872DD EQ PUSH2 0x111 JUMPI DUP1 PUSH4 0x42842E0E EQ PUSH2 0x148 JUMPI DUP1 PUSH4 0x6352211E EQ PUSH2 0x17F JUMPI DUP1 PUSH4 0x70A08231 EQ PUSH2 0x197 JUMPI DUP1 PUSH4 0xA22CB465 EQ PUSH2 0x1D7 JUMPI DUP1 PUSH4 0xB88D4FDE EQ PUSH2 0x20A JUMPI DUP1 PUSH4 0xE985E9C5 EQ PUSH2 0x250 JUMPI JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xA9 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xB5 PUSH1 0x4 CALLDATALOAD PUSH2 0x298 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xEA JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x10F PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x2C0 JUMP JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x11D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x10F PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x3E4 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x154 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x10F PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x744 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x18B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xB5 PUSH1 0x4 CALLDATALOAD PUSH2 0x90F JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1A3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1C5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x9A8 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1E3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x10F PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD ISZERO ISZERO PUSH2 0xA57 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x216 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x10F PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 DUP1 CALLDATALOAD DUP3 AND SWAP2 PUSH1 0x24 DUP1 CALLDATALOAD SWAP1 SWAP2 AND SWAP2 PUSH1 0x44 CALLDATALOAD SWAP2 PUSH1 0x64 CALLDATALOAD SWAP1 DUP2 ADD SWAP2 ADD CALLDATALOAD PUSH2 0xAF0 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x25C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x284 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0xCD4 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x2CB DUP3 PUSH2 0x90F JUMP JUMPDEST SWAP1 POP CALLER PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND EQ DUP1 PUSH2 0x2F6 JUMPI POP PUSH2 0x2F6 DUP2 CALLER PUSH2 0xCD4 JUMP JUMPDEST ISZERO ISZERO PUSH2 0x363 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F53454E4445520000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 DUP2 AND SWAP2 DUP3 OR SWAP1 SWAP3 SSTORE SWAP2 MLOAD DUP6 SWAP4 SWAP2 DUP6 AND SWAP2 PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 SWAP2 LOG4 POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP6 AND ISZERO ISZERO PUSH2 0x46C JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F544F5F4144445245535300000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH2 0x475 DUP5 PUSH2 0x90F JUMP JUMPDEST SWAP3 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 DUP2 AND SWAP1 DUP5 AND EQ PUSH2 0x4FE JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F4F574E45525F4D49534D415443480000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST CALLER SWAP2 POP PUSH2 0x50A DUP5 PUSH2 0x298 JUMP JUMPDEST SWAP1 POP DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ DUP1 PUSH2 0x54B JUMPI POP PUSH2 0x54B DUP4 DUP4 PUSH2 0xCD4 JUMP JUMPDEST DUP1 PUSH2 0x581 JUMPI POP DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ JUMPDEST ISZERO ISZERO PUSH2 0x5EE JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F5350454E44455200000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0x63F JUMPI PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND SWAP1 SSTORE JUMPDEST PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP11 DUP2 AND SWAP2 SWAP1 SWAP2 OR SWAP1 SWAP2 SSTORE DUP10 AND DUP4 MSTORE PUSH1 0x2 SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 SLOAD PUSH2 0x6A8 SWAP1 PUSH1 0x1 PUSH2 0xD0F JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP9 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 SWAP4 SWAP1 SWAP4 SSTORE SWAP1 DUP8 AND DUP2 MSTORE KECCAK256 SLOAD PUSH2 0x6E5 SWAP1 PUSH1 0x1 PUSH2 0xD86 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP8 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 SWAP5 SWAP1 SWAP5 SSTORE SWAP3 MLOAD DUP8 SWAP4 SWAP2 SWAP3 DUP11 AND SWAP2 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP2 LOG4 POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0x752 DUP6 DUP6 DUP6 PUSH2 0x3E4 JUMP JUMPDEST DUP4 EXTCODESIZE SWAP2 POP PUSH1 0x0 DUP3 GT ISZERO PUSH2 0x908 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x150B7A0200000000000000000000000000000000000000000000000000000000 DUP2 MSTORE CALLER PUSH1 0x4 DUP3 ADD MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 DUP2 AND PUSH1 0x24 DUP4 ADD MSTORE PUSH1 0x44 DUP3 ADD DUP7 SWAP1 MSTORE PUSH1 0x80 PUSH1 0x64 DUP4 ADD MSTORE PUSH1 0x0 PUSH1 0x84 DUP4 ADD DUP2 SWAP1 MSTORE SWAP3 MLOAD SWAP1 DUP8 AND SWAP3 PUSH4 0x150B7A02 SWAP3 PUSH1 0xC4 DUP1 DUP3 ADD SWAP4 PUSH1 0x20 SWAP4 SWAP1 SWAP3 DUP4 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 DUP3 SWAP1 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x7EF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x803 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x20 DUP2 LT ISZERO PUSH2 0x819 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP MLOAD PUSH1 0x40 DUP1 MLOAD PUSH32 0x6F6E455243373231526563656976656428616464726573732C61646472657373 DUP2 MSTORE PUSH32 0x2C75696E743235362C6279746573290000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x2F ADD SWAP1 KECCAK256 SWAP1 SWAP2 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP1 DUP4 AND SWAP2 AND EQ PUSH2 0x908 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x17 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F53454C4543544F52000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP2 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP1 ISZERO ISZERO PUSH2 0x9A2 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F4F574E4552000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND ISZERO ISZERO PUSH2 0xA2E JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F4F574E4552000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD SWAP1 JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP1 DUP6 MSTORE SWAP1 DUP4 MSTORE SWAP3 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND DUP7 ISZERO ISZERO SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP2 MLOAD SWAP1 DUP2 MSTORE SWAP1 MLOAD SWAP3 SWAP4 SWAP3 PUSH32 0x17307EAB39AB6107E8899845AD3D59BD9653F200F220920489CA2B5937696C31 SWAP3 SWAP2 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0xAFE DUP8 DUP8 DUP8 PUSH2 0x3E4 JUMP JUMPDEST DUP6 EXTCODESIZE SWAP2 POP PUSH1 0x0 DUP3 GT ISZERO PUSH2 0xCCB JUMPI PUSH1 0x40 MLOAD PUSH32 0x150B7A0200000000000000000000000000000000000000000000000000000000 DUP2 MSTORE CALLER PUSH1 0x4 DUP3 ADD DUP2 DUP2 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP11 DUP2 AND PUSH1 0x24 DUP6 ADD MSTORE PUSH1 0x44 DUP5 ADD DUP10 SWAP1 MSTORE PUSH1 0x80 PUSH1 0x64 DUP6 ADD SWAP1 DUP2 MSTORE PUSH1 0x84 DUP6 ADD DUP9 SWAP1 MSTORE SWAP1 DUP11 AND SWAP4 PUSH4 0x150B7A02 SWAP4 SWAP3 DUP13 SWAP3 DUP12 SWAP3 DUP12 SWAP3 DUP12 SWAP3 SWAP1 SWAP2 PUSH1 0xA4 ADD DUP5 DUP5 DUP1 DUP3 DUP5 CALLDATACOPY DUP3 ADD SWAP2 POP POP SWAP7 POP POP POP POP POP POP POP PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0xBB2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0xBC6 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x20 DUP2 LT ISZERO PUSH2 0xBDC JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP MLOAD PUSH1 0x40 DUP1 MLOAD PUSH32 0x6F6E455243373231526563656976656428616464726573732C61646472657373 DUP2 MSTORE PUSH32 0x2C75696E743235362C6279746573290000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x2F ADD SWAP1 KECCAK256 SWAP1 SWAP2 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP1 DUP4 AND SWAP2 AND EQ PUSH2 0xCCB JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x17 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F53454C4543544F52000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP POP POP POP POP POP POP JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP2 DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP4 SWAP1 SWAP5 AND DUP3 MSTORE SWAP2 SWAP1 SWAP2 MSTORE KECCAK256 SLOAD PUSH1 0xFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 GT ISZERO PUSH2 0xD80 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F554E444552464C4F57000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP SWAP1 SUB SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 ADD DUP4 DUP2 LT ISZERO PUSH2 0xDFA JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST SWAP4 SWAP3 POP POP POP JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 PUSH20 0x18C14C91209A554964C5F972B95A90FE384DD7DD SWAP7 0xcc REVERT MOD MULMOD SLOAD 0x4e PUSH5 0x39C3C90029 ", + "sourceMap": 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+ } + } + }, + "sources": { + "2.0.0/extensions/Forwarder/Forwarder.sol": { + "id": 0 + }, + "2.0.0/extensions/Forwarder/MixinAssets.sol": { + "id": 1 + }, + "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": { + "id": 2 + }, + "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": { + "id": 3 + }, + "2.0.0/extensions/Forwarder/MixinWeth.sol": { + "id": 4 + }, + "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": { + "id": 5 + }, + "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": { + "id": 6 + }, + "2.0.0/extensions/Forwarder/libs/LibConstants.sol": { + "id": 7 + }, + "2.0.0/extensions/Forwarder/mixins/MAssets.sol": { + "id": 8 + }, + "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": { + "id": 9 + }, + "2.0.0/extensions/Forwarder/mixins/MWeth.sol": { + "id": 10 + }, + "2.0.0/extensions/OrderValidator/OrderValidator.sol": { + "id": 11 + }, + "2.0.0/multisig/MultiSigWallet.sol": { + "id": 12 + }, + "2.0.0/multisig/MultiSigWalletWithTimeLock.sol": { + "id": 13 + }, + "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": { + "id": 14 + }, + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": { + "id": 15 + }, + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": { + "id": 16 + }, + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": { + "id": 17 + }, + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": { + "id": 18 + }, + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": { + "id": 19 + }, + "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": { + "id": 20 + }, + "2.0.0/protocol/Exchange/Exchange.sol": { + "id": 21 + }, + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": { + "id": 22 + }, + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": { + "id": 23 + }, + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": { + "id": 24 + }, + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": { + "id": 25 + }, + "2.0.0/protocol/Exchange/MixinTransactions.sol": { + "id": 26 + }, + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": { + "id": 27 + }, + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": { + "id": 28 + }, + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": { + "id": 29 + }, + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": { + "id": 30 + }, + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": { + "id": 31 + }, + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": { + "id": 32 + }, + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": { + "id": 33 + }, + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": { + "id": 34 + }, + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": { + "id": 35 + }, + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": { + "id": 36 + }, + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": { + "id": 37 + }, + "2.0.0/protocol/Exchange/libs/LibConstants.sol": { + "id": 38 + }, + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": { + "id": 39 + }, + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": { + "id": 40 + }, + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": { + "id": 41 + }, + "2.0.0/protocol/Exchange/libs/LibMath.sol": { + "id": 42 + }, + "2.0.0/protocol/Exchange/libs/LibOrder.sol": { + "id": 43 + }, + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": { + "id": 44 + }, + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": { + "id": 45 + }, + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": { + "id": 46 + }, + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": { + "id": 47 + }, + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": { + "id": 48 + }, + "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": { + "id": 49 + }, + "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": { + "id": 50 + }, + "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": { + "id": 51 + }, + "2.0.0/tokens/ERC20Token/ERC20Token.sol": { + "id": 52 + }, + "2.0.0/tokens/ERC20Token/IERC20Token.sol": { + "id": 53 + }, + "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": { + "id": 54 + }, + "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": { + "id": 55 + }, + "2.0.0/tokens/ERC721Token/ERC721Token.sol": { + "id": 56 + }, + "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": { + "id": 57 + }, + "2.0.0/tokens/ERC721Token/IERC721Token.sol": { + "id": 58 + }, + "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": { + "id": 59 + }, + "2.0.0/tokens/EtherToken/IEtherToken.sol": { + "id": 60 + }, + "2.0.0/utils/LibBytes/LibBytes.sol": { + "id": 61 + }, + "2.0.0/utils/Ownable/IOwnable.sol": { + "id": 62 + }, + "2.0.0/utils/Ownable/Ownable.sol": { + "id": 63 + }, + "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": { + "id": 64 + }, + "2.0.0/utils/SafeMath/SafeMath.sol": { + "id": 65 + } + }, + "sourceCodes": { + "2.0.0/extensions/Forwarder/Forwarder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinWeth.sol\";\nimport \"./MixinForwarderCore.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinAssets.sol\";\nimport \"./MixinExchangeWrapper.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Forwarder is\n LibConstants,\n MixinWeth,\n MixinAssets,\n MixinExchangeWrapper,\n MixinForwarderCore\n{\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n LibConstants(\n _exchange,\n _zrxAssetData,\n _wethAssetData\n )\n MixinForwarderCore()\n {}\n}\n", + "2.0.0/extensions/Forwarder/MixinAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MAssets.sol\";\n\n\ncontract MixinAssets is\n Ownable,\n LibConstants,\n MAssets\n{\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256(\"transfer(address,uint256)\"));\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external\n onlyOwner\n {\n transferAssetToSender(assetData, amount);\n }\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n bytes4 proxyId = assetData.readBytes4(0);\n\n if (proxyId == ERC20_DATA_ID) {\n transferERC20Token(assetData, amount);\n } else if (proxyId == ERC721_DATA_ID) {\n transferERC721Token(assetData, amount);\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n }\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n address token = assetData.readAddress(16);\n\n // Transfer tokens.\n // We do a raw call so we can check the success separate\n // from the return data.\n bool success = token.call(abi.encodeWithSelector(\n ERC20_TRANSFER_SELECTOR,\n msg.sender,\n amount\n ));\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n \n // Check return data.\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // value that evaluates to true.\n assembly {\n if returndatasize {\n success := 0\n if eq(returndatasize, 32) {\n // First 64 bytes of memory are reserved scratch space\n returndatacopy(0, 0, 32)\n success := mload(0)\n }\n }\n }\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n }\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n require(\n amount == 1,\n \"INVALID_AMOUNT\"\n );\n // Decode asset data.\n address token = assetData.readAddress(16);\n uint256 tokenId = assetData.readUint256(36);\n\n // Perform transfer.\n IERC721Token(token).transferFrom(\n address(this),\n msg.sender,\n tokenId\n );\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"../../protocol/Exchange/libs/LibAbiEncoder.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinExchangeWrapper is\n LibAbiEncoder,\n LibFillResults,\n LibMath,\n LibConstants,\n MExchangeWrapper\n{\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n address exchange = address(EXCHANGE);\n\n // Call `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := call(\n gas, // forward all gas\n exchange, // call address of Exchange contract\n 0, // transfer 0 wei\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of WETH to sell\n uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of WETH\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount;\n if (makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n\n require(\n makerAssetFilledAmount >= makerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n // Do nothing if zrxBuyAmount == 0\n if (zrxBuyAmount == 0) {\n return totalFillResults;\n }\n\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n uint256 zrxPurchased = 0;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // All of these are ZRX/WETH, so we can drop the respective assetData from calldata.\n orders[i].makerAssetData = zrxAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of ZRX to buy.\n uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased);\n\n // Convert the remaining amount of ZRX to buy into remaining amount\n // of WETH to sell, assuming entire amount can be sold in the current order.\n uint256 remainingWethSellAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees \n remainingZrxBuyAmount\n );\n\n // Attempt to sell the remaining amount of WETH.\n FillResults memory singleFillResult = fillOrderNoThrow(\n orders[i],\n safeAdd(remainingWethSellAmount, 1), // we add 1 wei to the fill amount to make up for rounding errors\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker.\n addFillResults(totalFillResults, singleFillResult);\n zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid);\n\n // Stop execution if the entire amount of ZRX has been bought.\n if (zrxPurchased >= zrxBuyAmount) {\n break;\n }\n }\n\n require(\n zrxPurchased >= zrxBuyAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\nimport \"./mixins/MAssets.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"./interfaces/IForwarderCore.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinForwarderCore is\n LibFillResults,\n LibMath,\n LibConstants,\n MWeth,\n MAssets,\n MExchangeWrapper,\n IForwarderCore\n{\n using LibBytes for bytes;\n\n /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf.\n constructor ()\n public\n {\n address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID);\n require(\n proxyAddress != address(0),\n \"UNREGISTERED_ASSET_PROXY\"\n );\n ETHER_TOKEN.approve(proxyAddress, MAX_UINT);\n ZRX_TOKEN.approve(proxyAddress, MAX_UINT);\n }\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 wethSellAmount;\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // Calculate amount of WETH that won't be spent on ETH fees.\n wethSellAmount = getPartialAmountFloor(\n PERCENTAGE_DENOMINATOR,\n safeAdd(PERCENTAGE_DENOMINATOR, feePercentage),\n msg.value\n );\n // Market sell available WETH.\n // ZRX fees are paid with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // 5% of WETH is reserved for filling feeOrders and paying feeRecipient.\n wethSellAmount = getPartialAmountFloor(\n MAX_WETH_FILL_PERCENTAGE,\n PERCENTAGE_DENOMINATOR,\n msg.value\n );\n // Market sell 95% of WETH.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // If the makerAsset is ZRX, it is not necessary to pay fees out of this\n // contracts's ZRX balance because fees are factored into the price of the order.\n orderFillResults = marketBuyExactZrxWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // Attemp to purchase desired amount of makerAsset.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketBuyExactAmountWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\n\n\ncontract MixinWeth is\n LibMath,\n LibConstants,\n MWeth\n{\n /// @dev Default payabale function, this allows us to withdraw WETH\n function ()\n public\n payable\n {\n require(\n msg.sender == address(ETHER_TOKEN),\n \"DEFAULT_FUNCTION_WETH_CONTRACT_ONLY\"\n );\n }\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal\n {\n require(\n msg.value > 0,\n \"INVALID_MSG_VALUE\"\n );\n ETHER_TOKEN.deposit.value(msg.value)();\n }\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal\n {\n // Ensure feePercentage is less than 5%.\n require(\n feePercentage <= MAX_FEE_PERCENTAGE,\n \"FEE_PERCENTAGE_TOO_LARGE\"\n );\n\n // Ensure that no extra WETH owned by this contract has been sold.\n uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx);\n require(\n wethSold <= msg.value,\n \"OVERSOLD_WETH\"\n );\n\n // Calculate amount of WETH that hasn't been sold.\n uint256 wethRemaining = safeSub(msg.value, wethSold);\n\n // Calculate ETH fee to pay to feeRecipient.\n uint256 ethFee = getPartialAmountFloor(\n feePercentage,\n PERCENTAGE_DENOMINATOR,\n wethSoldExcludingFeeOrders\n );\n\n // Ensure fee is less than amount of WETH remaining.\n require(\n ethFee <= wethRemaining,\n \"INSUFFICIENT_ETH_REMAINING\"\n );\n \n // Do nothing if no WETH remaining\n if (wethRemaining > 0) {\n // Convert remaining WETH to ETH\n ETHER_TOKEN.withdraw(wethRemaining);\n\n // Pay ETH to feeRecipient\n if (ethFee > 0) {\n feeRecipient.transfer(ethFee);\n }\n\n // Refund remaining ETH to msg.sender.\n uint256 ethRefund = safeSub(wethRemaining, ethFee);\n if (ethRefund > 0) {\n msg.sender.transfer(ethRefund);\n }\n }\n }\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssets {\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external;\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract IForwarderCore {\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n}\n", + "2.0.0/extensions/Forwarder/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/LibBytes/LibBytes.sol\";\nimport \"../../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../../tokens/EtherToken/IEtherToken.sol\";\nimport \"../../../tokens/ERC20Token/IERC20Token.sol\";\n\n\ncontract LibConstants {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n uint256 constant internal MAX_UINT = 2**256 - 1;\n uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; \n uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5%\n uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95%\n \n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n IEtherToken internal ETHER_TOKEN;\n IERC20Token internal ZRX_TOKEN;\n bytes internal ZRX_ASSET_DATA;\n bytes internal WETH_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n WETH_ASSET_DATA = _wethAssetData;\n\n address etherToken = _wethAssetData.readAddress(16);\n address zrxToken = _zrxAssetData.readAddress(16);\n ETHER_TOKEN = IEtherToken(etherToken);\n ZRX_TOKEN = IERC20Token(zrxToken);\n }\n}\n", + "2.0.0/extensions/Forwarder/mixins/MAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssets.sol\";\n\n\ncontract MAssets is\n IAssets\n{\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract MExchangeWrapper {\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n}\n", + "2.0.0/extensions/Forwarder/mixins/MWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract MWeth {\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal;\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal;\n}\n", + "2.0.0/extensions/OrderValidator/OrderValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract OrderValidator {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n struct TraderInfo {\n uint256 makerBalance; // Maker's balance of makerAsset\n uint256 makerAllowance; // Maker's allowance to corresponding AssetProxy\n uint256 takerBalance; // Taker's balance of takerAsset\n uint256 takerAllowance; // Taker's allowance to corresponding AssetProxy\n uint256 makerZrxBalance; // Maker's balance of ZRX\n uint256 makerZrxAllowance; // Maker's allowance of ZRX to ERC20Proxy\n uint256 takerZrxBalance; // Taker's balance of ZRX\n uint256 takerZrxAllowance; // Taker's allowance of ZRX to ERC20Proxy\n }\n\n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n bytes internal ZRX_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (address _exchange, bytes memory _zrxAssetData)\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n }\n\n /// @dev Fetches information for order and maker/taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return OrderInfo and TraderInfo instances for given order.\n function getOrderAndTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo, TraderInfo memory traderInfo)\n {\n orderInfo = EXCHANGE.getOrderInfo(order);\n traderInfo = getTraderInfo(order, takerAddress);\n return (orderInfo, traderInfo);\n }\n\n /// @dev Fetches information for all passed in orders and the makers/takers of each order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Arrays of OrderInfo and TraderInfo instances that correspond to each order.\n function getOrdersAndTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (LibOrder.OrderInfo[] memory ordersInfo, TraderInfo[] memory tradersInfo)\n {\n ordersInfo = EXCHANGE.getOrdersInfo(orders);\n tradersInfo = getTradersInfo(orders, takerAddresses);\n return (ordersInfo, tradersInfo);\n }\n\n /// @dev Fetches balance and allowances for maker and taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return Balances and allowances of maker and taker of order.\n function getTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (TraderInfo memory traderInfo)\n {\n (traderInfo.makerBalance, traderInfo.makerAllowance) = getBalanceAndAllowance(order.makerAddress, order.makerAssetData);\n (traderInfo.takerBalance, traderInfo.takerAllowance) = getBalanceAndAllowance(takerAddress, order.takerAssetData);\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n (traderInfo.makerZrxBalance, traderInfo.makerZrxAllowance) = getBalanceAndAllowance(order.makerAddress, zrxAssetData);\n (traderInfo.takerZrxBalance, traderInfo.takerZrxAllowance) = getBalanceAndAllowance(takerAddress, zrxAssetData);\n return traderInfo;\n }\n\n /// @dev Fetches balances and allowances of maker and taker for each provided order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Array of balances and allowances for maker and taker of each order.\n function getTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (TraderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n TraderInfo[] memory tradersInfo = new TraderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n tradersInfo[i] = getTraderInfo(orders[i], takerAddresses[i]);\n }\n return tradersInfo;\n }\n\n /// @dev Fetches token balances and allowances of an address to given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Encoded data that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balance of asset and allowance set to given proxy of asset.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalanceAndAllowance(address target, bytes memory assetData)\n public\n view\n returns (uint256 balance, uint256 allowance)\n {\n bytes4 assetProxyId = assetData.readBytes4(0);\n address token = assetData.readAddress(16);\n address assetProxy = EXCHANGE.getAssetProxy(assetProxyId);\n\n if (assetProxyId == ERC20_DATA_ID) {\n // Query balance\n balance = IERC20Token(token).balanceOf(target);\n\n // Query allowance\n allowance = IERC20Token(token).allowance(target, assetProxy);\n } else if (assetProxyId == ERC721_DATA_ID) {\n uint256 tokenId = assetData.readUint256(36);\n\n // Query owner of tokenId\n address owner = getERC721TokenOwner(token, tokenId);\n\n // Set balance to 1 if tokenId is owned by target\n balance = target == owner ? 1 : 0;\n\n // Check if ERC721Proxy is approved to spend tokenId\n bool isApproved = IERC721Token(token).isApprovedForAll(target, assetProxy) || IERC721Token(token).getApproved(tokenId) == assetProxy;\n \n // Set alowance to 1 if ERC721Proxy is approved to spend tokenId\n allowance = isApproved ? 1 : 0;\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n return (balance, allowance);\n }\n\n /// @dev Fetches token balances and allowances of an address for each given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Array of encoded byte arrays that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balances and allowances of assets.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalancesAndAllowances(address target, bytes[] memory assetData)\n public\n view\n returns (uint256[] memory, uint256[] memory)\n {\n uint256 length = assetData.length;\n uint256[] memory balances = new uint256[](length);\n uint256[] memory allowances = new uint256[](length);\n for (uint256 i = 0; i != length; i++) {\n (balances[i], allowances[i]) = getBalanceAndAllowance(target, assetData[i]);\n }\n return (balances, allowances);\n }\n\n /// @dev Calls `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token.\n /// @param token Address of ERC721 token.\n /// @param tokenId The identifier for the specific NFT.\n /// @return Owner of tokenId or null address if unowned.\n function getERC721TokenOwner(address token, uint256 tokenId)\n public\n view\n returns (address owner)\n {\n assembly {\n // load free memory pointer\n let cdStart := mload(64)\n\n // bytes4(keccak256(ownerOf(uint256))) = 0x6352211e\n mstore(cdStart, 0x6352211e00000000000000000000000000000000000000000000000000000000)\n mstore(add(cdStart, 4), tokenId)\n\n // staticcall `ownerOf(tokenId)`\n // `ownerOf` will revert if tokenId is not owned\n let success := staticcall(\n gas, // forward all gas\n token, // call token contract\n cdStart, // start of calldata\n 36, // length of input is 36 bytes\n cdStart, // write output over input\n 32 // size of output is 32 bytes\n )\n\n // Success implies that tokenId is owned\n // Copy owner from return data if successful\n if success {\n owner := mload(cdStart)\n } \n }\n\n // Owner initialized to address(0), no need to modify if call is unsuccessful\n return owner;\n }\n}\n", + "2.0.0/multisig/MultiSigWallet.sol": "// solhint-disable\npragma solidity ^0.4.15;\n\n\n/// @title Multisignature wallet - Allows multiple parties to agree on transactions before execution.\n/// @author Stefan George - \ncontract MultiSigWallet {\n\n /*\n * Events\n */\n event Confirmation(address indexed sender, uint indexed transactionId);\n event Revocation(address indexed sender, uint indexed transactionId);\n event Submission(uint indexed transactionId);\n event Execution(uint indexed transactionId);\n event ExecutionFailure(uint indexed transactionId);\n event Deposit(address indexed sender, uint value);\n event OwnerAddition(address indexed owner);\n event OwnerRemoval(address indexed owner);\n event RequirementChange(uint required);\n\n /*\n * Constants\n */\n uint constant public MAX_OWNER_COUNT = 50;\n\n /*\n * Storage\n */\n mapping (uint => Transaction) public transactions;\n mapping (uint => mapping (address => bool)) public confirmations;\n mapping (address => bool) public isOwner;\n address[] public owners;\n uint public required;\n uint public transactionCount;\n\n struct Transaction {\n address destination;\n uint value;\n bytes data;\n bool executed;\n }\n\n /*\n * Modifiers\n */\n modifier onlyWallet() {\n require(msg.sender == address(this));\n _;\n }\n\n modifier ownerDoesNotExist(address owner) {\n require(!isOwner[owner]);\n _;\n }\n\n modifier ownerExists(address owner) {\n require(isOwner[owner]);\n _;\n }\n\n modifier transactionExists(uint transactionId) {\n require(transactions[transactionId].destination != 0);\n _;\n }\n\n modifier confirmed(uint transactionId, address owner) {\n require(confirmations[transactionId][owner]);\n _;\n }\n\n modifier notConfirmed(uint transactionId, address owner) {\n require(!confirmations[transactionId][owner]);\n _;\n }\n\n modifier notExecuted(uint transactionId) {\n require(!transactions[transactionId].executed);\n _;\n }\n\n modifier notNull(address _address) {\n require(_address != 0);\n _;\n }\n\n modifier validRequirement(uint ownerCount, uint _required) {\n require(ownerCount <= MAX_OWNER_COUNT\n && _required <= ownerCount\n && _required != 0\n && ownerCount != 0);\n _;\n }\n\n /// @dev Fallback function allows to deposit ether.\n function()\n payable\n {\n if (msg.value > 0)\n Deposit(msg.sender, msg.value);\n }\n\n /*\n * Public functions\n */\n /// @dev Contract constructor sets initial owners and required number of confirmations.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n function MultiSigWallet(address[] _owners, uint _required)\n public\n validRequirement(_owners.length, _required)\n {\n for (uint i=0; i<_owners.length; i++) {\n require(!isOwner[_owners[i]] && _owners[i] != 0);\n isOwner[_owners[i]] = true;\n }\n owners = _owners;\n required = _required;\n }\n\n /// @dev Allows to add a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of new owner.\n function addOwner(address owner)\n public\n onlyWallet\n ownerDoesNotExist(owner)\n notNull(owner)\n validRequirement(owners.length + 1, required)\n {\n isOwner[owner] = true;\n owners.push(owner);\n OwnerAddition(owner);\n }\n\n /// @dev Allows to remove an owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner.\n function removeOwner(address owner)\n public\n onlyWallet\n ownerExists(owner)\n {\n isOwner[owner] = false;\n for (uint i=0; i owners.length)\n changeRequirement(owners.length);\n OwnerRemoval(owner);\n }\n\n /// @dev Allows to replace an owner with a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner to be replaced.\n /// @param newOwner Address of new owner.\n function replaceOwner(address owner, address newOwner)\n public\n onlyWallet\n ownerExists(owner)\n ownerDoesNotExist(newOwner)\n {\n for (uint i=0; i\n// solhint-disable not-rely-on-time\ncontract MultiSigWalletWithTimeLock is\n MultiSigWallet\n{\n event ConfirmationTimeSet(uint256 indexed transactionId, uint256 confirmationTime);\n event TimeLockChange(uint256 secondsTimeLocked);\n\n uint256 public secondsTimeLocked;\n\n mapping (uint256 => uint256) public confirmationTimes;\n\n modifier notFullyConfirmed(uint256 transactionId) {\n require(\n !isConfirmed(transactionId),\n \"TX_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier fullyConfirmed(uint256 transactionId) {\n require(\n isConfirmed(transactionId),\n \"TX_NOT_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier pastTimeLock(uint256 transactionId) {\n require(\n block.timestamp >= confirmationTimes[transactionId] + secondsTimeLocked,\n \"TIME_LOCK_INCOMPLETE\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations, and time lock.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] _owners,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWallet(_owners, _required)\n {\n secondsTimeLocked = _secondsTimeLocked;\n }\n\n /// @dev Changes the duration of the time lock for transactions.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n function changeTimeLock(uint256 _secondsTimeLocked)\n public\n onlyWallet\n {\n secondsTimeLocked = _secondsTimeLocked;\n emit TimeLockChange(_secondsTimeLocked);\n }\n\n /// @dev Allows an owner to confirm a transaction.\n /// @param transactionId Transaction ID.\n function confirmTransaction(uint256 transactionId)\n public\n ownerExists(msg.sender)\n transactionExists(transactionId)\n notConfirmed(transactionId, msg.sender)\n notFullyConfirmed(transactionId)\n {\n confirmations[transactionId][msg.sender] = true;\n emit Confirmation(msg.sender, transactionId);\n if (isConfirmed(transactionId)) {\n setConfirmationTime(transactionId, block.timestamp);\n }\n }\n\n /// @dev Allows anyone to execute a confirmed transaction.\n /// @param transactionId Transaction ID.\n function executeTransaction(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n pastTimeLock(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n\n /// @dev Sets the time of when a submission first passed.\n function setConfirmationTime(uint256 transactionId, uint256 confirmationTime)\n internal\n {\n confirmationTimes[transactionId] = confirmationTime;\n emit ConfirmationTimeSet(transactionId, confirmationTime);\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC20Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n \n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 1 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n\n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. amount |\n\n /////// Read token address from calldata ///////\n // * The token address is stored in `assetData`.\n //\n // * The \"offset to assetData\" is stored at offset 4 in the calldata (table 1).\n // [assetDataOffsetFromParams = calldataload(4)]\n //\n // * Notes that the \"offset to assetData\" is relative to the \"Params\" area of calldata;\n // add 4 bytes to account for the length of the \"Header\" area (table 1).\n // [assetDataOffsetFromHeader = assetDataOffsetFromParams + 4]\n //\n // * The \"token address\" is offset 32+4=36 bytes into \"assetData\" (tables 1 & 2).\n // [tokenOffset = assetDataOffsetFromHeader + 36 = calldataload(4) + 4 + 36]\n let token := calldataload(add(calldataload(4), 40))\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from`, `to` and `amount` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 96)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output over input\n 32 // output size should be 32 bytes\n )\n\n /////// Check return data. ///////\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // nonzero 32 bytes value.\n // So the transfer succeeded if the call succeeded and either\n // returned nothing, or returned a non-zero 32 byte value. \n success := and(success, or(\n iszero(returndatasize),\n and(\n eq(returndatasize, 32),\n gt(mload(0), 0)\n )\n ))\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC721Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 2 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n // | | 36 | | 2. tokenId |\n \n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. tokenId |\n\n // There exists only 1 of each token.\n // require(amount == 1, \"INVALID_AMOUNT\")\n if sub(calldataload(100), 1) {\n // Revert with `Error(\"INVALID_AMOUNT\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from` and `to` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 64)\n\n // Copy `tokenId` field from our own calldata to the new calldata.\n let assetDataOffset := calldataload(4)\n calldatacopy(68, add(assetDataOffset, 72), 32)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let token := calldataload(add(assetDataOffset, 40))\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output to null\n 0 // output size is 0 bytes\n )\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAuthorizable.sol\";\n\n\ncontract MixinAuthorizable is\n Ownable,\n MAuthorizable\n{\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized {\n require(\n authorized[msg.sender],\n \"SENDER_NOT_AUTHORIZED\"\n );\n _;\n }\n\n mapping (address => bool) public authorized;\n address[] public authorities;\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n !authorized[target],\n \"TARGET_ALREADY_AUTHORIZED\"\n );\n\n authorized[target] = true;\n authorities.push(target);\n emit AuthorizedAddressAdded(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n\n delete authorized[target];\n for (uint256 i = 0; i < authorities.length; i++) {\n if (authorities[i] == target) {\n authorities[i] = authorities[authorities.length - 1];\n authorities.length -= 1;\n break;\n }\n }\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n require(\n index < authorities.length,\n \"INDEX_OUT_OF_BOUNDS\"\n );\n require(\n authorities[index] == target,\n \"AUTHORIZED_ADDRESS_MISMATCH\"\n );\n\n delete authorized[target];\n authorities[index] = authorities[authorities.length - 1];\n authorities.length -= 1;\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory)\n {\n return authorities;\n }\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IAuthorizable.sol\";\n\n\ncontract IAssetProxy is\n IAuthorizable\n{\n /// @dev Transfers assets. Either succeeds or throws.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n function transferFrom(\n bytes assetData,\n address from,\n address to,\n uint256 amount\n )\n external;\n \n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4);\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/Ownable/IOwnable.sol\";\n\n\ncontract IAuthorizable is\n IOwnable\n{\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external;\n \n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory);\n}\n", + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAuthorizable.sol\";\n\n\ncontract MAuthorizable is\n IAuthorizable\n{\n // Event logged when a new address is authorized.\n event AuthorizedAddressAdded(\n address indexed target,\n address indexed caller\n );\n\n // Event logged when a currently authorized address is unauthorized.\n event AuthorizedAddressRemoved(\n address indexed target,\n address indexed caller\n );\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized { revert(); _; }\n}\n", + "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../multisig/MultiSigWalletWithTimeLock.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract AssetProxyOwner is\n MultiSigWalletWithTimeLock\n{\n using LibBytes for bytes;\n\n event AssetProxyRegistration(address assetProxyContract, bool isRegistered);\n\n // Mapping of AssetProxy contract address =>\n // if this contract is allowed to call the AssetProxy's `removeAuthorizedAddressAtIndex` method without a time lock.\n mapping (address => bool) public isAssetProxyRegistered;\n\n bytes4 constant internal REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR = bytes4(keccak256(\"removeAuthorizedAddressAtIndex(address,uint256)\"));\n\n /// @dev Function will revert if the transaction does not call `removeAuthorizedAddressAtIndex`\n /// on an approved AssetProxy contract.\n modifier validRemoveAuthorizedAddressAtIndexTx(uint256 transactionId) {\n Transaction storage txn = transactions[transactionId];\n require(\n isAssetProxyRegistered[txn.destination],\n \"UNREGISTERED_ASSET_PROXY\"\n );\n require(\n txn.data.readBytes4(0) == REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR,\n \"INVALID_FUNCTION_SELECTOR\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations,\n /// time lock, and list of AssetProxy addresses.\n /// @param _owners List of initial owners.\n /// @param _assetProxyContracts Array of AssetProxy contract addresses.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] memory _owners,\n address[] memory _assetProxyContracts,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWalletWithTimeLock(_owners, _required, _secondsTimeLocked)\n {\n for (uint256 i = 0; i < _assetProxyContracts.length; i++) {\n address assetProxy = _assetProxyContracts[i];\n require(\n assetProxy != address(0),\n \"INVALID_ASSET_PROXY\"\n );\n isAssetProxyRegistered[assetProxy] = true;\n }\n }\n\n /// @dev Registers or deregisters an AssetProxy to be able to execute\n /// `removeAuthorizedAddressAtIndex` without a timelock.\n /// @param assetProxyContract Address of AssetProxy contract.\n /// @param isRegistered Status of approval for AssetProxy contract.\n function registerAssetProxy(address assetProxyContract, bool isRegistered)\n public\n onlyWallet\n notNull(assetProxyContract)\n {\n isAssetProxyRegistered[assetProxyContract] = isRegistered;\n emit AssetProxyRegistration(assetProxyContract, isRegistered);\n }\n\n /// @dev Allows execution of `removeAuthorizedAddressAtIndex` without time lock.\n /// @param transactionId Transaction ID.\n function executeRemoveAuthorizedAddressAtIndex(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n validRemoveAuthorizedAddressAtIndexTx(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n}\n", + "2.0.0/protocol/Exchange/Exchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinExchangeCore.sol\";\nimport \"./MixinSignatureValidator.sol\";\nimport \"./MixinWrapperFunctions.sol\";\nimport \"./MixinAssetProxyDispatcher.sol\";\nimport \"./MixinTransactions.sol\";\nimport \"./MixinMatchOrders.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Exchange is\n MixinExchangeCore,\n MixinMatchOrders,\n MixinSignatureValidator,\n MixinTransactions,\n MixinAssetProxyDispatcher,\n MixinWrapperFunctions\n{\n string constant public VERSION = \"2.0.1-alpha\";\n\n // Mixins are instantiated in the order they are inherited\n constructor (bytes memory _zrxAssetData)\n public\n LibConstants(_zrxAssetData) // @TODO: Remove when we deploy.\n MixinExchangeCore()\n MixinMatchOrders()\n MixinSignatureValidator()\n MixinTransactions()\n MixinAssetProxyDispatcher()\n MixinWrapperFunctions()\n {}\n}\n", + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\nimport \"../AssetProxy/interfaces/IAssetProxy.sol\";\n\n\ncontract MixinAssetProxyDispatcher is\n Ownable,\n MAssetProxyDispatcher\n{\n // Mapping from Asset Proxy Id's to their respective Asset Proxy\n mapping (bytes4 => IAssetProxy) public assetProxies;\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external\n onlyOwner\n {\n IAssetProxy assetProxyContract = IAssetProxy(assetProxy);\n\n // Ensure that no asset proxy exists with current id.\n bytes4 assetProxyId = assetProxyContract.getProxyId();\n address currentAssetProxy = assetProxies[assetProxyId];\n require(\n currentAssetProxy == address(0),\n \"ASSET_PROXY_ALREADY_EXISTS\"\n );\n\n // Add asset proxy and log registration.\n assetProxies[assetProxyId] = assetProxyContract;\n emit AssetProxyRegistered(\n assetProxyId,\n assetProxy\n );\n }\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address)\n {\n return assetProxies[assetProxyId];\n }\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal\n {\n // Do nothing if no amount should be transferred.\n if (amount > 0 && from != to) {\n // Ensure assetData length is valid\n require(\n assetData.length > 3,\n \"LENGTH_GREATER_THAN_3_REQUIRED\"\n );\n \n // Lookup assetProxy. We do not use `LibBytes.readBytes4` for gas efficiency reasons.\n bytes4 assetProxyId;\n assembly {\n assetProxyId := and(mload(\n add(assetData, 32)),\n 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000\n )\n }\n address assetProxy = assetProxies[assetProxyId];\n\n // Ensure that assetProxy exists\n require(\n assetProxy != address(0),\n \"ASSET_PROXY_DOES_NOT_EXIST\"\n );\n \n // We construct calldata for the `assetProxy.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n\n assembly {\n /////// Setup State ///////\n // `cdStart` is the start of the calldata for `assetProxy.transferFrom` (equal to free memory ptr).\n let cdStart := mload(64)\n // `dataAreaLength` is the total number of words needed to store `assetData`\n // As-per the ABI spec, this value is padded up to the nearest multiple of 32,\n // and includes 32-bytes for length.\n let dataAreaLength := and(add(mload(assetData), 63), 0xFFFFFFFFFFFE0)\n // `cdEnd` is the end of the calldata for `assetProxy.transferFrom`.\n let cdEnd := add(cdStart, add(132, dataAreaLength))\n\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFromSelector`.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes.\n // Notes:\n // 1. The offset to `assetData` is the length of the Params Area (128 bytes).\n // 2. A 20-byte mask is applied to addresses to zero-out the unused bytes.\n mstore(add(cdStart, 4), 128)\n mstore(add(cdStart, 36), and(from, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 68), and(to, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 100), amount)\n \n /////// Setup Data Area ///////\n // This area holds `assetData`.\n let dataArea := add(cdStart, 132)\n // solhint-disable-next-line no-empty-blocks\n for {} lt(dataArea, cdEnd) {} {\n mstore(dataArea, mload(assetData))\n dataArea := add(dataArea, 32)\n assetData := add(assetData, 32)\n }\n\n /////// Call `assetProxy.transferFrom` using the constructed calldata ///////\n let success := call(\n gas, // forward all gas\n assetProxy, // call address of asset proxy\n 0, // don't send any ETH\n cdStart, // pointer to start of input\n sub(cdEnd, cdStart), // length of input \n cdStart, // write output over input\n 512 // reserve 512 bytes for output\n )\n if iszero(success) {\n revert(cdStart, returndatasize())\n }\n }\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinExchangeCore is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n LibOrder,\n LibFillResults,\n MAssetProxyDispatcher,\n MExchangeCore,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of orderHash => amount of takerAsset already bought by maker\n mapping (bytes32 => uint256) public filled;\n\n // Mapping of orderHash => cancelled\n mapping (bytes32 => bool) public cancelled;\n\n // Mapping of makerAddress => senderAddress => lowest salt an order can have in order to be fillable\n // Orders with specified senderAddress and with a salt less than their epoch are considered cancelled\n mapping (address => mapping (address => uint256)) public orderEpoch;\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external\n nonReentrant\n {\n address makerAddress = getCurrentContextAddress();\n // If this function is called via `executeTransaction`, we only update the orderEpoch for the makerAddress/msg.sender combination.\n // This allows external filter contracts to add rules to how orders are cancelled via this function.\n address senderAddress = makerAddress == msg.sender ? address(0) : msg.sender;\n\n // orderEpoch is initialized to 0, so to cancelUpTo we need salt + 1\n uint256 newOrderEpoch = targetOrderEpoch + 1; \n uint256 oldOrderEpoch = orderEpoch[makerAddress][senderAddress];\n\n // Ensure orderEpoch is monotonically increasing\n require(\n newOrderEpoch > oldOrderEpoch, \n \"INVALID_NEW_ORDER_EPOCH\"\n );\n\n // Update orderEpoch\n orderEpoch[makerAddress][senderAddress] = newOrderEpoch;\n emit CancelUpTo(\n makerAddress,\n senderAddress,\n newOrderEpoch\n );\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrder(Order memory order)\n public\n nonReentrant\n {\n cancelOrderInternal(order);\n }\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(Order memory order)\n public\n view\n returns (OrderInfo memory orderInfo)\n {\n // Compute the order hash\n orderInfo.orderHash = getOrderHash(order);\n\n // Fetch filled amount\n orderInfo.orderTakerAssetFilledAmount = filled[orderInfo.orderHash];\n\n // If order.makerAssetAmount is zero, we also reject the order.\n // While the Exchange contract handles them correctly, they create\n // edge cases in the supporting infrastructure because they have\n // an 'infinite' price when computed by a simple division.\n if (order.makerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_MAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // If order.takerAssetAmount is zero, then the order will always\n // be considered filled because 0 == takerAssetAmount == orderTakerAssetFilledAmount\n // Instead of distinguishing between unfilled and filled zero taker\n // amount orders, we choose not to support them.\n if (order.takerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_TAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // Validate order availability\n if (orderInfo.orderTakerAssetFilledAmount >= order.takerAssetAmount) {\n orderInfo.orderStatus = uint8(OrderStatus.FULLY_FILLED);\n return orderInfo;\n }\n\n // Validate order expiration\n // solhint-disable-next-line not-rely-on-time\n if (block.timestamp >= order.expirationTimeSeconds) {\n orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);\n return orderInfo;\n }\n\n // Check if order has been cancelled\n if (cancelled[orderInfo.orderHash]) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n if (orderEpoch[order.makerAddress][order.senderAddress] > order.salt) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n\n // All other statuses are ruled out: order is Fillable\n orderInfo.orderStatus = uint8(OrderStatus.FILLABLE);\n return orderInfo;\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // Fetch order info\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Assert that the order is fillable by taker\n assertFillableOrder(\n order,\n orderInfo,\n takerAddress,\n signature\n );\n \n // Get amount of takerAsset to fill\n uint256 remainingTakerAssetAmount = safeSub(order.takerAssetAmount, orderInfo.orderTakerAssetFilledAmount);\n uint256 takerAssetFilledAmount = min256(takerAssetFillAmount, remainingTakerAssetAmount);\n\n // Validate context\n assertValidFill(\n order,\n orderInfo,\n takerAssetFillAmount,\n takerAssetFilledAmount,\n fillResults.makerAssetFilledAmount\n );\n\n // Compute proportional fill amounts\n fillResults = calculateFillResults(order, takerAssetFilledAmount);\n\n // Update exchange internal state\n updateFilledState(\n order,\n takerAddress,\n orderInfo.orderHash,\n orderInfo.orderTakerAssetFilledAmount,\n fillResults\n );\n \n // Settle order\n settleOrder(\n order,\n takerAddress,\n fillResults\n );\n\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrderInternal(Order memory order)\n internal\n {\n // Fetch current order status\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Validate context\n assertValidCancel(order, orderInfo);\n\n // Perform cancel\n updateCancelledState(order, orderInfo.orderHash);\n }\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n function updateFilledState(\n Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n FillResults memory fillResults\n )\n internal\n {\n // Update state\n filled[orderHash] = safeAdd(orderTakerAssetFilledAmount, fillResults.takerAssetFilledAmount);\n\n // Log order\n emit Fill(\n order.makerAddress,\n order.feeRecipientAddress,\n takerAddress,\n msg.sender,\n fillResults.makerAssetFilledAmount,\n fillResults.takerAssetFilledAmount,\n fillResults.makerFeePaid,\n fillResults.takerFeePaid,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n Order memory order,\n bytes32 orderHash\n )\n internal\n {\n // Perform cancel\n cancelled[orderHash] = true;\n\n // Log cancel\n emit Cancel(\n order.makerAddress,\n order.feeRecipientAddress,\n msg.sender,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n Order memory order,\n OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view\n {\n // An order can only be filled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n \n // Validate sender is allowed to fill this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n \n // Validate taker is allowed to fill this order\n if (order.takerAddress != address(0)) {\n require(\n order.takerAddress == takerAddress,\n \"INVALID_TAKER\"\n );\n }\n \n // Validate Maker signature (check only if first time seen)\n if (orderInfo.orderTakerAssetFilledAmount == 0) {\n require(\n isValidSignature(\n orderInfo.orderHash,\n order.makerAddress,\n signature\n ),\n \"INVALID_ORDER_SIGNATURE\"\n );\n }\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n Order memory order,\n OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount, // TODO: use FillResults\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view\n {\n // Revert if fill amount is invalid\n // TODO: reconsider necessity for v2.1\n require(\n takerAssetFillAmount != 0,\n \"INVALID_TAKER_AMOUNT\"\n );\n \n // Make sure taker does not pay more than desired amount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n takerAssetFilledAmount <= takerAssetFillAmount,\n \"TAKER_OVERPAY\"\n );\n \n // Make sure order is not overfilled\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeAdd(orderInfo.orderTakerAssetFilledAmount, takerAssetFilledAmount) <= order.takerAssetAmount,\n \"ORDER_OVERFILL\"\n );\n \n // Make sure order is filled at acceptable price.\n // The order has an implied price from the makers perspective:\n // order price = order.makerAssetAmount / order.takerAssetAmount\n // i.e. the number of makerAsset maker is paying per takerAsset. The\n // maker is guaranteed to get this price or a better (lower) one. The\n // actual price maker is getting in this fill is:\n // fill price = makerAssetFilledAmount / takerAssetFilledAmount\n // We need `fill price <= order price` for the fill to be fair to maker.\n // This amounts to:\n // makerAssetFilledAmount order.makerAssetAmount\n // ------------------------ <= -----------------------\n // takerAssetFilledAmount order.takerAssetAmount\n // or, equivalently:\n // makerAssetFilledAmount * order.takerAssetAmount <=\n // order.makerAssetAmount * takerAssetFilledAmount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeMul(makerAssetFilledAmount, order.takerAssetAmount)\n <= \n safeMul(order.makerAssetAmount, takerAssetFilledAmount),\n \"INVALID_FILL_PRICE\"\n );\n }\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n Order memory order,\n OrderInfo memory orderInfo\n )\n internal\n view\n {\n // Ensure order is valid\n // An order can only be cancelled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Validate sender is allowed to cancel this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate transaction signed by maker\n address makerAddress = getCurrentContextAddress();\n require(\n order.makerAddress == makerAddress,\n \"INVALID_MAKER\"\n );\n }\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (FillResults memory fillResults)\n {\n // Compute proportional transfer amounts\n fillResults.takerAssetFilledAmount = takerAssetFilledAmount;\n fillResults.makerAssetFilledAmount = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n );\n fillResults.makerFeePaid = safeGetPartialAmountFloor(\n fillResults.makerAssetFilledAmount,\n order.makerAssetAmount,\n order.makerFee\n );\n fillResults.takerFeePaid = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.takerFee\n );\n\n return fillResults;\n }\n\n /// @dev Settles an order by transferring assets between counterparties.\n /// @param order Order struct containing order specifications.\n /// @param takerAddress Address selling takerAsset and buying makerAsset.\n /// @param fillResults Amounts to be filled and fees paid by maker and taker.\n function settleOrder(\n LibOrder.Order memory order,\n address takerAddress,\n LibFillResults.FillResults memory fillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n dispatchTransferFrom(\n order.makerAssetData,\n order.makerAddress,\n takerAddress,\n fillResults.makerAssetFilledAmount\n );\n dispatchTransferFrom(\n order.takerAssetData,\n takerAddress,\n order.makerAddress,\n fillResults.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n zrxAssetData,\n order.makerAddress,\n order.feeRecipientAddress,\n fillResults.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n order.feeRecipientAddress,\n fillResults.takerFeePaid\n );\n }\n}\n", + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": "/*\n Copyright 2018 ZeroEx Intl.\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n http://www.apache.org/licenses/LICENSE-2.0\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MMatchOrders.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinMatchOrders is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n MAssetProxyDispatcher,\n MExchangeCore,\n MMatchOrders,\n MTransactions\n{\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n nonReentrant\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We assume that rightOrder.takerAssetData == leftOrder.makerAssetData and rightOrder.makerAssetData == leftOrder.takerAssetData.\n // If this assumption isn't true, the match will fail at signature validation.\n rightOrder.makerAssetData = leftOrder.takerAssetData;\n rightOrder.takerAssetData = leftOrder.makerAssetData;\n\n // Get left & right order info\n LibOrder.OrderInfo memory leftOrderInfo = getOrderInfo(leftOrder);\n LibOrder.OrderInfo memory rightOrderInfo = getOrderInfo(rightOrder);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Either our context is valid or we revert\n assertFillableOrder(\n leftOrder,\n leftOrderInfo,\n takerAddress,\n leftSignature\n );\n assertFillableOrder(\n rightOrder,\n rightOrderInfo,\n takerAddress,\n rightSignature\n );\n assertValidMatch(leftOrder, rightOrder);\n\n // Compute proportional fill amounts\n matchedFillResults = calculateMatchedFillResults(\n leftOrder,\n rightOrder,\n leftOrderInfo.orderTakerAssetFilledAmount,\n rightOrderInfo.orderTakerAssetFilledAmount\n );\n\n // Validate fill contexts\n assertValidFill(\n leftOrder,\n leftOrderInfo,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.makerAssetFilledAmount\n );\n assertValidFill(\n rightOrder,\n rightOrderInfo,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n \n // Update exchange state\n updateFilledState(\n leftOrder,\n takerAddress,\n leftOrderInfo.orderHash,\n leftOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.left\n );\n updateFilledState(\n rightOrder,\n takerAddress,\n rightOrderInfo.orderHash,\n rightOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.right\n );\n\n // Settle matched orders. Succeeds or throws.\n settleMatchedOrders(\n leftOrder,\n rightOrder,\n takerAddress,\n matchedFillResults\n );\n\n return matchedFillResults;\n }\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure\n {\n // Make sure there is a profitable spread.\n // There is a profitable spread iff the cost per unit bought (OrderA.MakerAmount/OrderA.TakerAmount) for each order is greater\n // than the profit per unit sold of the matched order (OrderB.TakerAmount/OrderB.MakerAmount).\n // This is satisfied by the equations below:\n // / >= / \n // AND\n // / >= / \n // These equations can be combined to get the following:\n require(\n safeMul(leftOrder.makerAssetAmount, rightOrder.makerAssetAmount) >=\n safeMul(leftOrder.takerAssetAmount, rightOrder.takerAssetAmount),\n \"NEGATIVE_SPREAD_REQUIRED\"\n );\n }\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // Derive maker asset amounts for left & right orders, given store taker assert amounts\n uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);\n uint256 leftMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n leftTakerAssetAmountRemaining\n );\n uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);\n uint256 rightMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n rightOrder.makerAssetAmount,\n rightOrder.takerAssetAmount,\n rightTakerAssetAmountRemaining\n );\n\n // Calculate fill results for maker and taker assets: at least one order will be fully filled.\n // The maximum amount the left maker can buy is `leftTakerAssetAmountRemaining`\n // The maximum amount the right maker can sell is `rightMakerAssetAmountRemaining`\n // We have two distinct cases for calculating the fill results:\n // Case 1.\n // If the left maker can buy more than the right maker can sell, then only the right order is fully filled.\n // If the left maker can buy exactly what the right maker can sell, then both orders are fully filled.\n // Case 2.\n // If the left maker cannot buy more than the right maker can sell, then only the left order is fully filled.\n if (leftTakerAssetAmountRemaining >= rightMakerAssetAmountRemaining) {\n // Case 1: Right order is fully filled\n matchedFillResults.right.makerAssetFilledAmount = rightMakerAssetAmountRemaining;\n matchedFillResults.right.takerAssetFilledAmount = rightTakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = matchedFillResults.right.makerAssetFilledAmount;\n // Round down to ensure the maker's exchange rate does not exceed the price specified by the order. \n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.left.makerAssetFilledAmount = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n matchedFillResults.left.takerAssetFilledAmount\n );\n } else {\n // Case 2: Left order is fully filled\n matchedFillResults.left.makerAssetFilledAmount = leftMakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = leftTakerAssetAmountRemaining;\n matchedFillResults.right.makerAssetFilledAmount = matchedFillResults.left.takerAssetFilledAmount;\n // Round up to ensure the maker's exchange rate does not exceed the price specified by the order.\n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.right.takerAssetFilledAmount = safeGetPartialAmountCeil(\n rightOrder.takerAssetAmount,\n rightOrder.makerAssetAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n }\n\n // Calculate amount given to taker\n matchedFillResults.leftMakerAssetSpreadAmount = safeSub(\n matchedFillResults.left.makerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount\n );\n\n // Compute fees for left order\n matchedFillResults.left.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.makerAssetFilledAmount,\n leftOrder.makerAssetAmount,\n leftOrder.makerFee\n );\n matchedFillResults.left.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.takerAssetFilledAmount,\n leftOrder.takerAssetAmount,\n leftOrder.takerFee\n );\n\n // Compute fees for right order\n matchedFillResults.right.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.makerAssetFilledAmount,\n rightOrder.makerAssetAmount,\n rightOrder.makerFee\n );\n matchedFillResults.right.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.takerAssetFilledAmount,\n rightOrder.takerAssetAmount,\n rightOrder.takerFee\n );\n\n // Return fill results\n return matchedFillResults;\n }\n\n /// @dev Settles matched order by transferring appropriate funds between order makers, taker, and fee recipient.\n /// @param leftOrder First matched order.\n /// @param rightOrder Second matched order.\n /// @param takerAddress Address that matched the orders. The taker receives the spread between orders as profit.\n /// @param matchedFillResults Struct holding amounts to transfer between makers, taker, and fee recipients.\n function settleMatchedOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n address takerAddress,\n LibFillResults.MatchedFillResults memory matchedFillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n // Order makers and taker\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n rightOrder.makerAddress,\n matchedFillResults.right.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n rightOrder.makerAssetData,\n rightOrder.makerAddress,\n leftOrder.makerAddress,\n matchedFillResults.left.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n takerAddress,\n matchedFillResults.leftMakerAssetSpreadAmount\n );\n\n // Maker fees\n dispatchTransferFrom(\n zrxAssetData,\n leftOrder.makerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n rightOrder.makerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.makerFeePaid\n );\n\n // Taker fees\n if (leftOrder.feeRecipientAddress == rightOrder.feeRecipientAddress) {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n safeAdd(\n matchedFillResults.left.takerFeePaid,\n matchedFillResults.right.takerFeePaid\n )\n );\n } else {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.takerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.takerFeePaid\n );\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./interfaces/IWallet.sol\";\nimport \"./interfaces/IValidator.sol\";\n\n\ncontract MixinSignatureValidator is\n ReentrancyGuard,\n MSignatureValidator,\n MTransactions\n{\n using LibBytes for bytes;\n \n // Mapping of hash => signer => signed\n mapping (bytes32 => mapping (address => bool)) public preSigned;\n\n // Mapping of signer => validator => approved\n mapping (address => mapping (address => bool)) public allowedValidators;\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n {\n if (signerAddress != msg.sender) {\n require(\n isValidSignature(\n hash,\n signerAddress,\n signature\n ),\n \"INVALID_SIGNATURE\"\n );\n }\n preSigned[hash][signerAddress] = true;\n }\n\n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external\n nonReentrant\n {\n address signerAddress = getCurrentContextAddress();\n allowedValidators[signerAddress][validatorAddress] = approval;\n emit SignatureValidatorApproval(\n signerAddress,\n validatorAddress,\n approval\n );\n }\n\n /// @dev Verifies that a hash has been signed by the given signer.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid)\n {\n require(\n signature.length > 0,\n \"LENGTH_GREATER_THAN_0_REQUIRED\"\n );\n\n // Pop last byte off of signature byte array.\n uint8 signatureTypeRaw = uint8(signature.popLastByte());\n\n // Ensure signature is supported\n require(\n signatureTypeRaw < uint8(SignatureType.NSignatureTypes),\n \"SIGNATURE_UNSUPPORTED\"\n );\n\n SignatureType signatureType = SignatureType(signatureTypeRaw);\n\n // Variables are not scoped in Solidity.\n uint8 v;\n bytes32 r;\n bytes32 s;\n address recovered;\n\n // Always illegal signature.\n // This is always an implicit option since a signer can create a\n // signature array with invalid type or length. We may as well make\n // it an explicit option. This aids testing and analysis. It is\n // also the initialization value for the enum type.\n if (signatureType == SignatureType.Illegal) {\n revert(\"SIGNATURE_ILLEGAL\");\n\n // Always invalid signature.\n // Like Illegal, this is always implicitly available and therefore\n // offered explicitly. It can be implicitly created by providing\n // a correctly formatted but incorrect signature.\n } else if (signatureType == SignatureType.Invalid) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = false;\n return isValid;\n\n // Signature using EIP712\n } else if (signatureType == SignatureType.EIP712) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n hash,\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signed using web3.eth_sign\n } else if (signatureType == SignatureType.EthSign) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n32\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signature verified by wallet contract.\n // If used with an order, the maker of the order is the wallet contract.\n } else if (signatureType == SignatureType.Wallet) {\n isValid = isValidWalletSignature(\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signature verified by validator contract.\n // If used with an order, the maker of the order can still be an EOA.\n // A signature using this type should be encoded as:\n // | Offset | Length | Contents |\n // | 0x00 | x | Signature to validate |\n // | 0x00 + x | 20 | Address of validator contract |\n // | 0x14 + x | 1 | Signature type is always \"\\x06\" |\n } else if (signatureType == SignatureType.Validator) {\n // Pop last 20 bytes off of signature byte array.\n address validatorAddress = signature.popLast20Bytes();\n \n // Ensure signer has approved validator.\n if (!allowedValidators[signerAddress][validatorAddress]) {\n return false;\n }\n isValid = isValidValidatorSignature(\n validatorAddress,\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signer signed hash previously using the preSign function.\n } else if (signatureType == SignatureType.PreSigned) {\n isValid = preSigned[hash][signerAddress];\n return isValid;\n }\n\n // Anything else is illegal (We do not return false because\n // the signature may actually be valid, just not in a format\n // that we currently support. In this case returning false\n // may lead the caller to incorrectly believe that the\n // signature was invalid.)\n revert(\"SIGNATURE_UNSUPPORTED\");\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if signature is valid for given wallet..\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IWallet(walletAddress).isValidSignature.selector,\n hash,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n walletAddress, // address of Wallet contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"WALLET_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000c57414c4c45545f4552524f5200000000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IValidator(signerAddress).isValidSignature.selector,\n hash,\n signerAddress,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n validatorAddress, // address of Validator contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"VALIDATOR_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f56414c494441544f525f4552524f5200000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n}\n", + "2.0.0/protocol/Exchange/MixinTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"./libs/LibExchangeErrors.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./libs/LibEIP712.sol\";\n\n\ncontract MixinTransactions is\n LibEIP712,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of transaction hash => executed\n // This prevents transactions from being executed more than once.\n mapping (bytes32 => bool) public transactions;\n\n // Address of current transaction signer\n address public currentContextAddress;\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external\n {\n // Prevent reentrancy\n require(\n currentContextAddress == address(0),\n \"REENTRANCY_ILLEGAL\"\n );\n\n bytes32 transactionHash = hashEIP712Message(hashZeroExTransaction(\n salt,\n signerAddress,\n data\n ));\n\n // Validate transaction has not been executed\n require(\n !transactions[transactionHash],\n \"INVALID_TX_HASH\"\n );\n\n // Transaction always valid if signer is sender of transaction\n if (signerAddress != msg.sender) {\n // Validate signature\n require(\n isValidSignature(\n transactionHash,\n signerAddress,\n signature\n ),\n \"INVALID_TX_SIGNATURE\"\n );\n\n // Set the current transaction signer\n currentContextAddress = signerAddress;\n }\n\n // Execute transaction\n transactions[transactionHash] = true;\n require(\n address(this).delegatecall(data),\n \"FAILED_EXECUTION\"\n );\n\n // Reset current transaction signer if it was previously updated\n if (signerAddress != msg.sender) {\n currentContextAddress = address(0);\n }\n }\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;\n bytes32 dataHash = keccak256(data);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,\n // salt,\n // bytes32(signerAddress),\n // keccak256(data)\n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, schemaHash) // hash of schema\n mstore(add(memPtr, 32), salt) // salt\n mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff)) // signerAddress\n mstore(add(memPtr, 96), dataHash) // hash of data\n\n // Compute hash\n result := keccak256(memPtr, 128)\n }\n return result;\n }\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address)\n {\n address currentContextAddress_ = currentContextAddress;\n address contextAddress = currentContextAddress_ == address(0) ? msg.sender : currentContextAddress_;\n return contextAddress;\n }\n}\n", + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibAbiEncoder.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MWrapperFunctions.sol\";\n\n\ncontract MixinWrapperFunctions is\n ReentrancyGuard,\n LibMath,\n LibFillResults,\n LibAbiEncoder,\n MExchangeCore,\n MWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrKillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n // Delegate to `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := delegatecall(\n gas, // forward all gas\n address, // call address of this contract\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrKillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n \n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public\n nonReentrant\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n cancelOrderInternal(orders[i]);\n }\n }\n\n /// @dev Fetches information for all passed in orders.\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n LibOrder.OrderInfo[] memory ordersInfo = new LibOrder.OrderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n ordersInfo[i] = getOrderInfo(orders[i]);\n }\n return ordersInfo;\n }\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n require(\n fillResults.takerAssetFilledAmount == takerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return fillResults;\n }\n}\n", + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssetProxyDispatcher {\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external;\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./IExchangeCore.sol\";\nimport \"./IMatchOrders.sol\";\nimport \"./ISignatureValidator.sol\";\nimport \"./ITransactions.sol\";\nimport \"./IAssetProxyDispatcher.sol\";\nimport \"./IWrapperFunctions.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract IExchange is\n IExchangeCore,\n IMatchOrders,\n ISignatureValidator,\n ITransactions,\n IAssetProxyDispatcher,\n IWrapperFunctions\n{}\n", + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IExchangeCore {\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external;\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrder(LibOrder.Order memory order)\n public;\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(LibOrder.Order memory order)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IMatchOrders {\n\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ISignatureValidator {\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external;\n \n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external;\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address of signer.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\n\ncontract ITransactions {\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external;\n}\n", + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IValidator {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IWallet {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IWrapperFunctions {\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public;\n\n /// @dev Fetches information for all passed in orders\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory);\n}\n", + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./LibOrder.sol\";\n\n\ncontract LibAbiEncoder {\n\n /// @dev ABI encodes calldata for `fillOrder`.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return ABI encoded calldata for `fillOrder`.\n function abiEncodeFillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n pure\n returns (bytes memory fillOrderCalldata)\n {\n // We need to call MExchangeCore.fillOrder using a delegatecall in\n // assembly so that we can intercept a call that throws. For this, we\n // need the input encoded in memory in the Ethereum ABIv2 format [1].\n\n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0x00 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 0x00 | | 1. offset to order (*) |\n // | | 0x20 | | 2. takerAssetFillAmount |\n // | | 0x40 | | 3. offset to signature (*) |\n // | Data | | 12 * 32 | order: |\n // | | 0x000 | | 1. senderAddress |\n // | | 0x020 | | 2. makerAddress |\n // | | 0x040 | | 3. takerAddress |\n // | | 0x060 | | 4. feeRecipientAddress |\n // | | 0x080 | | 5. makerAssetAmount |\n // | | 0x0A0 | | 6. takerAssetAmount |\n // | | 0x0C0 | | 7. makerFeeAmount |\n // | | 0x0E0 | | 8. takerFeeAmount |\n // | | 0x100 | | 9. expirationTimeSeconds |\n // | | 0x120 | | 10. salt |\n // | | 0x140 | | 11. Offset to makerAssetData (*) |\n // | | 0x160 | | 12. Offset to takerAssetData (*) |\n // | | 0x180 | 32 | makerAssetData Length |\n // | | 0x1A0 | ** | makerAssetData Contents |\n // | | 0x1C0 | 32 | takerAssetData Length |\n // | | 0x1E0 | ** | takerAssetData Contents |\n // | | 0x200 | 32 | signature Length |\n // | | 0x220 | ** | signature Contents |\n\n // * Offsets are calculated from the beginning of the current area: Header, Params, Data:\n // An offset stored in the Params area is calculated from the beginning of the Params section.\n // An offset stored in the Data area is calculated from the beginning of the Data section.\n\n // ** The length of dynamic array contents are stored in the field immediately preceeding the contents.\n\n // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html\n\n assembly {\n\n // Areas below may use the following variables:\n // 1. Start -- Start of this area in memory\n // 2. End -- End of this area in memory. This value may\n // be precomputed (before writing contents),\n // or it may be computed as contents are written.\n // 3. Offset -- Current offset into area. If an area's End\n // is precomputed, this variable tracks the\n // offsets of contents as they are written.\n\n /////// Setup Header Area ///////\n // Load free memory pointer\n fillOrderCalldata := mload(0x40)\n // bytes4(keccak256(\"fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)\"))\n // = 0xb4be83d5\n // Leave 0x20 bytes to store the length\n mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000)\n let headerAreaEnd := add(fillOrderCalldata, 0x24)\n\n /////// Setup Params Area ///////\n // This area is preallocated and written to later.\n // This is because we need to fill in offsets that have not yet been calculated.\n let paramsAreaStart := headerAreaEnd\n let paramsAreaEnd := add(paramsAreaStart, 0x60)\n let paramsAreaOffset := paramsAreaStart\n\n /////// Setup Data Area ///////\n let dataAreaStart := paramsAreaEnd\n let dataAreaEnd := dataAreaStart\n\n // Offset from the source data we're reading from\n let sourceOffset := order\n // arrayLenBytes and arrayLenWords track the length of a dynamically-allocated bytes array.\n let arrayLenBytes := 0\n let arrayLenWords := 0\n\n /////// Write order Struct ///////\n // Write memory location of Order, relative to the start of the\n // parameter list, then increment the paramsAreaOffset respectively.\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n // Write values for each field in the order\n // It would be nice to use a loop, but we save on gas by writing\n // the stores sequentially.\n mstore(dataAreaEnd, mload(sourceOffset)) // makerAddress\n mstore(add(dataAreaEnd, 0x20), mload(add(sourceOffset, 0x20))) // takerAddress\n mstore(add(dataAreaEnd, 0x40), mload(add(sourceOffset, 0x40))) // feeRecipientAddress\n mstore(add(dataAreaEnd, 0x60), mload(add(sourceOffset, 0x60))) // senderAddress\n mstore(add(dataAreaEnd, 0x80), mload(add(sourceOffset, 0x80))) // makerAssetAmount\n mstore(add(dataAreaEnd, 0xA0), mload(add(sourceOffset, 0xA0))) // takerAssetAmount\n mstore(add(dataAreaEnd, 0xC0), mload(add(sourceOffset, 0xC0))) // makerFeeAmount\n mstore(add(dataAreaEnd, 0xE0), mload(add(sourceOffset, 0xE0))) // takerFeeAmount\n mstore(add(dataAreaEnd, 0x100), mload(add(sourceOffset, 0x100))) // expirationTimeSeconds\n mstore(add(dataAreaEnd, 0x120), mload(add(sourceOffset, 0x120))) // salt\n mstore(add(dataAreaEnd, 0x140), mload(add(sourceOffset, 0x140))) // Offset to makerAssetData\n mstore(add(dataAreaEnd, 0x160), mload(add(sourceOffset, 0x160))) // Offset to takerAssetData\n dataAreaEnd := add(dataAreaEnd, 0x180)\n sourceOffset := add(sourceOffset, 0x180)\n\n // Write offset to \n mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x140)) // makerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Write offset to \n mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x160)) // takerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n /////// Write takerAssetFillAmount ///////\n mstore(paramsAreaOffset, takerAssetFillAmount)\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n /////// Write signature ///////\n // Write offset to paramsArea\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n\n // Calculate length of signature\n sourceOffset := signature\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of signature\n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of signature\n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Set length of calldata\n mstore(fillOrderCalldata, sub(dataAreaEnd, add(fillOrderCalldata, 0x20)))\n\n // Increment free memory pointer\n mstore(0x40, dataAreaEnd)\n }\n\n return fillOrderCalldata;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\n// solhint-disable max-line-length\ncontract LibConstants {\n \n // Asset data for ZRX token. Used for fee transfers.\n // @TODO: Hardcode constant when we deploy. Currently \n // not constant to make testing easier.\n\n // The proxyId for ZRX_ASSET_DATA is bytes4(keccak256(\"ERC20Token(address)\")) = 0xf47261b0\n \n // Kovan ZRX address is 0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570.\n // The ABI encoded proxyId and address is 0xf47261b00000000000000000000000006ff6c0ff1d68b964901f986d4c9fa3ac68346570\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x6f\\xf6\\xc0\\xff\\x1d\\x68\\xb9\\x64\\x90\\x1f\\x98\\x6d\\x4c\\x9f\\xa3\\xac\\x68\\x34\\x65\\x70\";\n \n // Mainnet ZRX address is 0xe41d2489571d322189246dafa5ebde1f4699f498.\n // The ABI encoded proxyId and address is 0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xe4\\x1d\\x24\\x89\\x57\\x1d\\x32\\x21\\x89\\x24\\x6d\\xaf\\xa5\\xeb\\xde\\x1f\\x46\\x99\\xf4\\x98\";\n \n // solhint-disable-next-line var-name-mixedcase\n bytes public ZRX_ASSET_DATA;\n\n // @TODO: Remove when we deploy.\n constructor (bytes memory zrxAssetData)\n public\n {\n ZRX_ASSET_DATA = zrxAssetData;\n }\n}\n// solhint-enable max-line-length\n", + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract LibEIP712 {\n\n // EIP191 header for EIP712 prefix\n string constant internal EIP191_HEADER = \"\\x19\\x01\";\n\n // EIP712 Domain Name value\n string constant internal EIP712_DOMAIN_NAME = \"0x Protocol\";\n\n // EIP712 Domain Version value\n string constant internal EIP712_DOMAIN_VERSION = \"2\";\n\n // Hash of the EIP712 Domain Separator Schema\n bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"EIP712Domain(\",\n \"string name,\",\n \"string version,\",\n \"address verifyingContract\",\n \")\"\n ));\n\n // Hash of the EIP712 Domain Separator data\n // solhint-disable-next-line var-name-mixedcase\n bytes32 public EIP712_DOMAIN_HASH;\n\n constructor ()\n public\n {\n EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(\n EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,\n keccak256(bytes(EIP712_DOMAIN_NAME)),\n keccak256(bytes(EIP712_DOMAIN_VERSION)),\n bytes32(address(this))\n ));\n }\n\n /// @dev Calculates EIP712 encoding for a hash struct in this EIP712 Domain.\n /// @param hashStruct The EIP712 hash struct.\n /// @return EIP712 hash applied to this EIP712 Domain.\n function hashEIP712Message(bytes32 hashStruct)\n internal\n view\n returns (bytes32 result)\n {\n bytes32 eip712DomainHash = EIP712_DOMAIN_HASH;\n\n // Assembly for more efficient computing:\n // keccak256(abi.encodePacked(\n // EIP191_HEADER,\n // EIP712_DOMAIN_HASH,\n // hashStruct \n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, 0x1901000000000000000000000000000000000000000000000000000000000000) // EIP191 header\n mstore(add(memPtr, 2), eip712DomainHash) // EIP712 domain hash\n mstore(add(memPtr, 34), hashStruct) // Hash of struct\n\n // Compute hash\n result := keccak256(memPtr, 66)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity 0.4.24;\n\n\n/// @dev This contract documents the revert reasons used in the Exchange contract.\n/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons.\ncontract LibExchangeErrors {\n\n /// Order validation errors ///\n string constant ORDER_UNFILLABLE = \"ORDER_UNFILLABLE\"; // Order cannot be filled.\n string constant INVALID_MAKER = \"INVALID_MAKER\"; // Invalid makerAddress.\n string constant INVALID_TAKER = \"INVALID_TAKER\"; // Invalid takerAddress.\n string constant INVALID_SENDER = \"INVALID_SENDER\"; // Invalid `msg.sender`.\n string constant INVALID_ORDER_SIGNATURE = \"INVALID_ORDER_SIGNATURE\"; // Signature validation failed. \n \n /// fillOrder validation errors ///\n string constant INVALID_TAKER_AMOUNT = \"INVALID_TAKER_AMOUNT\"; // takerAssetFillAmount cannot equal 0.\n string constant ROUNDING_ERROR = \"ROUNDING_ERROR\"; // Rounding error greater than 0.1% of takerAssetFillAmount. \n \n /// Signature validation errors ///\n string constant INVALID_SIGNATURE = \"INVALID_SIGNATURE\"; // Signature validation failed. \n string constant SIGNATURE_ILLEGAL = \"SIGNATURE_ILLEGAL\"; // Signature type is illegal.\n string constant SIGNATURE_UNSUPPORTED = \"SIGNATURE_UNSUPPORTED\"; // Signature type unsupported.\n \n /// cancelOrdersUptTo errors ///\n string constant INVALID_NEW_ORDER_EPOCH = \"INVALID_NEW_ORDER_EPOCH\"; // Specified salt must be greater than or equal to existing orderEpoch.\n\n /// fillOrKillOrder errors ///\n string constant COMPLETE_FILL_FAILED = \"COMPLETE_FILL_FAILED\"; // Desired takerAssetFillAmount could not be completely filled. \n\n /// matchOrders errors ///\n string constant NEGATIVE_SPREAD_REQUIRED = \"NEGATIVE_SPREAD_REQUIRED\"; // Matched orders must have a negative spread.\n\n /// Transaction errors ///\n string constant REENTRANCY_ILLEGAL = \"REENTRANCY_ILLEGAL\"; // Recursive reentrancy is not allowed. \n string constant INVALID_TX_HASH = \"INVALID_TX_HASH\"; // Transaction has already been executed. \n string constant INVALID_TX_SIGNATURE = \"INVALID_TX_SIGNATURE\"; // Signature validation failed. \n string constant FAILED_EXECUTION = \"FAILED_EXECUTION\"; // Transaction execution failed. \n \n /// registerAssetProxy errors ///\n string constant ASSET_PROXY_ALREADY_EXISTS = \"ASSET_PROXY_ALREADY_EXISTS\"; // AssetProxy with same id already exists.\n\n /// dispatchTransferFrom errors ///\n string constant ASSET_PROXY_DOES_NOT_EXIST = \"ASSET_PROXY_DOES_NOT_EXIST\"; // No assetProxy registered at given id.\n string constant TRANSFER_FAILED = \"TRANSFER_FAILED\"; // Asset transfer unsuccesful.\n\n /// Length validation errors ///\n string constant LENGTH_GREATER_THAN_0_REQUIRED = \"LENGTH_GREATER_THAN_0_REQUIRED\"; // Byte array must have a length greater than 0.\n string constant LENGTH_GREATER_THAN_3_REQUIRED = \"LENGTH_GREATER_THAN_3_REQUIRED\"; // Byte array must have a length greater than 3.\n string constant LENGTH_0_REQUIRED = \"LENGTH_0_REQUIRED\"; // Byte array must have a length of 0.\n string constant LENGTH_65_REQUIRED = \"LENGTH_65_REQUIRED\"; // Byte array must have a length of 65.\n}\n", + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibFillResults is\n SafeMath\n{\n struct FillResults {\n uint256 makerAssetFilledAmount; // Total amount of makerAsset(s) filled.\n uint256 takerAssetFilledAmount; // Total amount of takerAsset(s) filled.\n uint256 makerFeePaid; // Total amount of ZRX paid by maker(s) to feeRecipient(s).\n uint256 takerFeePaid; // Total amount of ZRX paid by taker to feeRecipients(s).\n }\n\n struct MatchedFillResults {\n FillResults left; // Amounts filled and fees paid of left order.\n FillResults right; // Amounts filled and fees paid of right order.\n uint256 leftMakerAssetSpreadAmount; // Spread between price of left and right order, denominated in the left order's makerAsset, paid to taker.\n }\n\n /// @dev Adds properties of both FillResults instances.\n /// Modifies the first FillResults instance specified.\n /// @param totalFillResults Fill results instance that will be added onto.\n /// @param singleFillResults Fill results instance that will be added to totalFillResults.\n function addFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)\n internal\n pure\n {\n totalFillResults.makerAssetFilledAmount = safeAdd(totalFillResults.makerAssetFilledAmount, singleFillResults.makerAssetFilledAmount);\n totalFillResults.takerAssetFilledAmount = safeAdd(totalFillResults.takerAssetFilledAmount, singleFillResults.takerAssetFilledAmount);\n totalFillResults.makerFeePaid = safeAdd(totalFillResults.makerFeePaid, singleFillResults.makerFeePaid);\n totalFillResults.takerFeePaid = safeAdd(totalFillResults.takerFeePaid, singleFillResults.takerFeePaid);\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibMath.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibMath is\n SafeMath\n{\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function safeGetPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorFloor(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function safeGetPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorCeil(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function getPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function getPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // The absolute rounding error is the difference between the rounded\n // value and the ideal value. The relative rounding error is the\n // absolute rounding error divided by the absolute value of the\n // ideal value. This is undefined when the ideal value is zero.\n //\n // The ideal value is `numerator * target / denominator`.\n // Let's call `numerator * target % denominator` the remainder.\n // The absolute error is `remainder / denominator`.\n //\n // When the ideal value is zero, we require the absolute error to\n // be zero. Fortunately, this is always the case. The ideal value is\n // zero iff `numerator == 0` and/or `target == 0`. In this case the\n // remainder and absolute error are also zero. \n if (target == 0 || numerator == 0) {\n return false;\n }\n \n // Otherwise, we want the relative rounding error to be strictly\n // less than 0.1%.\n // The relative error is `remainder / (numerator * target)`.\n // We want the relative error less than 1 / 1000:\n // remainder / (numerator * denominator) < 1 / 1000\n // or equivalently:\n // 1000 * remainder < numerator * target\n // so we have a rounding error iff:\n // 1000 * remainder >= numerator * target\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding up.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // See the comments in `isRoundingError`.\n if (target == 0 || numerator == 0) {\n // When either is zero, the ideal value and rounded value are zero\n // and there is no rounding error. (Although the relative error\n // is undefined.)\n return false;\n }\n // Compute remainder as before\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n remainder = safeSub(denominator, remainder) % denominator;\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibOrder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./LibEIP712.sol\";\n\n\ncontract LibOrder is\n LibEIP712\n{\n // Hash for the EIP712 Order Schema\n bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"Order(\",\n \"address makerAddress,\",\n \"address takerAddress,\",\n \"address feeRecipientAddress,\",\n \"address senderAddress,\",\n \"uint256 makerAssetAmount,\",\n \"uint256 takerAssetAmount,\",\n \"uint256 makerFee,\",\n \"uint256 takerFee,\",\n \"uint256 expirationTimeSeconds,\",\n \"uint256 salt,\",\n \"bytes makerAssetData,\",\n \"bytes takerAssetData\",\n \")\"\n ));\n\n // A valid order remains fillable until it is expired, fully filled, or cancelled.\n // An order's state is unaffected by external factors, like account balances.\n enum OrderStatus {\n INVALID, // Default value\n INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount\n INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount\n FILLABLE, // Order is fillable\n EXPIRED, // Order has already expired\n FULLY_FILLED, // Order is fully filled\n CANCELLED // Order has been cancelled\n }\n\n // solhint-disable max-line-length\n struct Order {\n address makerAddress; // Address that created the order. \n address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order. \n address feeRecipientAddress; // Address that will recieve fees when order is filled. \n address senderAddress; // Address that is allowed to call Exchange contract methods that affect this order. If set to 0, any address is allowed to call these methods.\n uint256 makerAssetAmount; // Amount of makerAsset being offered by maker. Must be greater than 0. \n uint256 takerAssetAmount; // Amount of takerAsset being bid on by maker. Must be greater than 0. \n uint256 makerFee; // Amount of ZRX paid to feeRecipient by maker when order is filled. If set to 0, no transfer of ZRX from maker to feeRecipient will be attempted.\n uint256 takerFee; // Amount of ZRX paid to feeRecipient by taker when order is filled. If set to 0, no transfer of ZRX from taker to feeRecipient will be attempted.\n uint256 expirationTimeSeconds; // Timestamp in seconds at which order expires. \n uint256 salt; // Arbitrary number to facilitate uniqueness of the order's hash. \n bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.\n bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.\n }\n // solhint-enable max-line-length\n\n struct OrderInfo {\n uint8 orderStatus; // Status that describes order's validity and fillability.\n bytes32 orderHash; // EIP712 hash of the order (see LibOrder.getOrderHash).\n uint256 orderTakerAssetFilledAmount; // Amount of order that has already been filled.\n }\n\n /// @dev Calculates Keccak-256 hash of the order.\n /// @param order The order structure.\n /// @return Keccak-256 EIP712 hash of the order.\n function getOrderHash(Order memory order)\n internal\n view\n returns (bytes32 orderHash)\n {\n orderHash = hashEIP712Message(hashOrder(order));\n return orderHash;\n }\n\n /// @dev Calculates EIP712 hash of the order.\n /// @param order The order structure.\n /// @return EIP712 hash of the order.\n function hashOrder(Order memory order)\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ORDER_SCHEMA_HASH;\n bytes32 makerAssetDataHash = keccak256(order.makerAssetData);\n bytes32 takerAssetDataHash = keccak256(order.takerAssetData);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ORDER_SCHEMA_HASH,\n // bytes32(order.makerAddress),\n // bytes32(order.takerAddress),\n // bytes32(order.feeRecipientAddress),\n // bytes32(order.senderAddress),\n // order.makerAssetAmount,\n // order.takerAssetAmount,\n // order.makerFee,\n // order.takerFee,\n // order.expirationTimeSeconds,\n // order.salt,\n // keccak256(order.makerAssetData),\n // keccak256(order.takerAssetData)\n // ));\n\n assembly {\n // Calculate memory addresses that will be swapped out before hashing\n let pos1 := sub(order, 32)\n let pos2 := add(order, 320)\n let pos3 := add(order, 352)\n\n // Backup\n let temp1 := mload(pos1)\n let temp2 := mload(pos2)\n let temp3 := mload(pos3)\n \n // Hash in place\n mstore(pos1, schemaHash)\n mstore(pos2, makerAssetDataHash)\n mstore(pos3, takerAssetDataHash)\n result := keccak256(pos1, 416)\n \n // Restore\n mstore(pos1, temp1)\n mstore(pos2, temp2)\n mstore(pos3, temp3)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssetProxyDispatcher.sol\";\n\n\ncontract MAssetProxyDispatcher is\n IAssetProxyDispatcher\n{\n // Logs registration of new asset proxy\n event AssetProxyRegistered(\n bytes4 id, // Id of new registered AssetProxy.\n address assetProxy // Address of new registered AssetProxy.\n );\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IExchangeCore.sol\";\n\n\ncontract MExchangeCore is\n IExchangeCore\n{\n // Fill event is emitted whenever an order is filled.\n event Fill(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that received fees.\n address takerAddress, // Address that filled the order.\n address senderAddress, // Address that called the Exchange contract (msg.sender).\n uint256 makerAssetFilledAmount, // Amount of makerAsset sold by maker and bought by taker. \n uint256 takerAssetFilledAmount, // Amount of takerAsset sold by taker and bought by maker.\n uint256 makerFeePaid, // Amount of ZRX paid to feeRecipient by maker.\n uint256 takerFeePaid, // Amount of ZRX paid to feeRecipient by taker.\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // Cancel event is emitted whenever an individual order is cancelled.\n event Cancel(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that would have recieved fees if order was filled. \n address senderAddress, // Address that called the Exchange contract (msg.sender).\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // CancelUpTo event is emitted whenever `cancelOrdersUpTo` is executed succesfully.\n event CancelUpTo(\n address indexed makerAddress, // Orders cancelled must have been created by this address.\n address indexed senderAddress, // Orders cancelled must have a `senderAddress` equal to this address.\n uint256 orderEpoch // Orders with specified makerAddress and senderAddress with a salt less than this value are considered cancelled.\n );\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrderInternal(LibOrder.Order memory order)\n internal;\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function updateFilledState(\n LibOrder.Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n LibFillResults.FillResults memory fillResults\n )\n internal;\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n LibOrder.Order memory order,\n bytes32 orderHash\n )\n internal;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo Status, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view;\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo\n )\n internal\n view;\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n LibOrder.Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.FillResults memory fillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IMatchOrders.sol\";\n\n\ncontract MMatchOrders is\n IMatchOrders\n{\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure;\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/ISignatureValidator.sol\";\n\n\ncontract MSignatureValidator is\n ISignatureValidator\n{\n event SignatureValidatorApproval(\n address indexed signerAddress, // Address that approves or disapproves a contract to verify signatures.\n address indexed validatorAddress, // Address of signature validator contract.\n bool approved // Approval or disapproval of validator contract.\n );\n\n // Allowed signature types.\n enum SignatureType {\n Illegal, // 0x00, default value\n Invalid, // 0x01\n EIP712, // 0x02\n EthSign, // 0x03\n Wallet, // 0x04\n Validator, // 0x05\n PreSigned, // 0x06\n NSignatureTypes // 0x07, number of signature types. Always leave at end.\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"../interfaces/ITransactions.sol\";\n\n\ncontract MTransactions is\n ITransactions\n{\n // Hash for the EIP712 ZeroEx Transaction Schema\n bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"ZeroExTransaction(\",\n \"uint256 salt,\",\n \"address signerAddress,\",\n \"bytes data\",\n \")\"\n ));\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result);\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address);\n}\n", + "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IWrapperFunctions.sol\";\n\n\ncontract MWrapperFunctions is \n IWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n}\n", + "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/MintableERC20Token.sol\";\n\n\ncontract DummyERC20Token is \n Ownable,\n MintableERC20Token\n{\n string public name;\n string public symbol;\n uint256 public decimals;\n uint256 public constant MAX_MINT_AMOUNT = 10000000000000000000000;\n\n constructor (\n string _name,\n string _symbol,\n uint256 _decimals,\n uint256 _totalSupply\n )\n public\n {\n name = _name;\n symbol = _symbol;\n decimals = _decimals;\n _totalSupply = _totalSupply;\n balances[msg.sender] = _totalSupply;\n }\n\n /// @dev Sets the balance of target address\n /// @param _target Address or which balance will be updated\n /// @param _value New balance of target address\n function setBalance(address _target, uint256 _value)\n external\n onlyOwner\n {\n uint256 currBalance = balances[_target];\n if (_value < currBalance) {\n _totalSupply = safeSub(_totalSupply, safeSub(currBalance, _value));\n } else {\n _totalSupply = safeAdd(_totalSupply, safeSub(_value, currBalance));\n }\n balances[_target] = _value;\n }\n\n /// @dev Mints new tokens for sender\n /// @param _value Amount of tokens to mint\n function mint(uint256 _value)\n external\n {\n require(\n _value <= MAX_MINT_AMOUNT,\n \"VALUE_TOO_LARGE\"\n );\n\n _mint(msg.sender, _value);\n }\n}\n", + "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../tokens/ERC721Token/MintableERC721Token.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract DummyERC721Token is\n Ownable,\n MintableERC721Token\n{\n string public name;\n string public symbol;\n\n constructor (\n string _name,\n string _symbol\n )\n public\n {\n name = _name;\n symbol = _symbol;\n }\n\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function mint(address _to, uint256 _tokenId)\n external\n {\n _mint(_to, _tokenId);\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist or not called by contract owner\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function burn(address _owner, uint256 _tokenId)\n external\n onlyOwner\n {\n _burn(_owner, _tokenId);\n }\n}\n", + "2.0.0/tokens/ERC20Token/ERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC20Token.sol\";\n\n\ncontract ERC20Token is\n IERC20Token\n{\n mapping (address => uint256) internal balances;\n mapping (address => mapping (address => uint256)) internal allowed;\n\n uint256 internal _totalSupply;\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool)\n {\n require(\n balances[msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[msg.sender] -= _value;\n balances[_to] += _value;\n\n emit Transfer(\n msg.sender,\n _to,\n _value\n );\n\n return true;\n }\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowed[_from][msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n allowed[_from][msg.sender] -= _value;\n \n emit Transfer(\n _from,\n _to,\n _value\n );\n \n return true;\n }\n\n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool)\n {\n allowed[msg.sender][_spender] = _value;\n emit Approval(\n msg.sender,\n _spender,\n _value\n );\n return true;\n }\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256)\n {\n return _totalSupply;\n }\n\n /// @dev Query the balance of owner\n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n return balances[_owner];\n }\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256)\n {\n return allowed[_owner][_spender];\n }\n}\n", + "2.0.0/tokens/ERC20Token/IERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n \n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n \n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", + "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/SafeMath/SafeMath.sol\";\nimport \"./UnlimitedAllowanceERC20Token.sol\";\n\n\ncontract MintableERC20Token is \n SafeMath,\n UnlimitedAllowanceERC20Token\n{\n /// @dev Mints new tokens\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _value Amount of tokens to mint\n function _mint(address _to, uint256 _value)\n internal\n {\n balances[_to] = safeAdd(_value, balances[_to]);\n _totalSupply = safeAdd(_totalSupply, _value);\n\n emit Transfer(\n address(0),\n _to,\n _value\n );\n }\n\n /// @dev Mints new tokens\n /// @param _owner Owner of tokens that will be burned\n /// @param _value Amount of tokens to burn\n function _burn(address _owner, uint256 _value)\n internal\n {\n balances[_owner] = safeSub(balances[_owner], _value);\n _totalSupply = safeSub(_totalSupply, _value);\n\n emit Transfer(\n _owner,\n address(0),\n _value\n );\n }\n}\n", + "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/ERC20Token.sol\";\n\n\ncontract UnlimitedAllowanceERC20Token is\n ERC20Token\n{\n uint256 constant internal MAX_UINT = 2**256 - 1;\n\n /// @dev ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited allowance. See https://github.com/ethereum/EIPs/issues/717\n /// @param _from Address to transfer from.\n /// @param _to Address to transfer to.\n /// @param _value Amount to transfer.\n /// @return Success of transfer.\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n uint256 allowance = allowed[_from][msg.sender];\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowance >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n if (allowance < MAX_UINT) {\n allowed[_from][msg.sender] -= _value;\n }\n\n emit Transfer(\n _from,\n _to,\n _value\n );\n\n return true;\n }\n}\n", + "2.0.0/tokens/ERC721Token/ERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC721Token.sol\";\nimport \"./IERC721Receiver.sol\";\nimport \"../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract ERC721Token is\n IERC721Token,\n SafeMath\n{\n // Function selector for ERC721Receiver.onERC721Received\n // 0x150b7a02\n bytes4 constant internal ERC721_RECEIVED = bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"));\n\n // Mapping of tokenId => owner\n mapping (uint256 => address) internal owners;\n\n // Mapping of tokenId => approved address\n mapping (uint256 => address) internal approvals;\n\n // Mapping of owner => number of tokens owned\n mapping (address => uint256) internal balances;\n\n // Mapping of owner => operator => approved\n mapping (address => mapping (address => bool)) internal operatorApprovals;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n _data\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n \"\"\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external\n {\n address owner = ownerOf(_tokenId);\n require(\n msg.sender == owner || isApprovedForAll(owner, msg.sender),\n \"ERC721_INVALID_SENDER\"\n );\n\n approvals[_tokenId] = _approved;\n emit Approval(\n owner,\n _approved,\n _tokenId\n );\n }\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external\n {\n operatorApprovals[msg.sender][_operator] = _approved;\n emit ApprovalForAll(\n msg.sender,\n _operator,\n _approved\n );\n }\n \n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return balances[_owner];\n }\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = ownerOf(_tokenId);\n require(\n _from == owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n address spender = msg.sender;\n address approvedAddress = getApproved(_tokenId);\n require(\n spender == owner ||\n isApprovedForAll(owner, spender) ||\n approvedAddress == spender,\n \"ERC721_INVALID_SPENDER\"\n );\n\n if (approvedAddress != address(0)) {\n approvals[_tokenId] = address(0);\n }\n\n owners[_tokenId] = _to;\n balances[_from] = safeSub(balances[_from], 1);\n balances[_to] = safeAdd(balances[_to], 1);\n \n emit Transfer(\n _from,\n _to,\n _tokenId\n );\n }\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address)\n {\n address owner = owners[_tokenId];\n require(\n owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return owner;\n }\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId)\n public\n view\n returns (address)\n {\n return approvals[_tokenId];\n }\n\n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool)\n {\n return operatorApprovals[_owner][_operator];\n }\n}\n", + "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Receiver {\n\n /// @notice Handle the receipt of an NFT\n /// @dev The ERC721 smart contract calls this function on the recipient\n /// after a `transfer`. This function MAY throw to revert and reject the\n /// transfer. Return of other than the magic value MUST result in the\n /// transaction being reverted.\n /// Note: the contract address is always the message sender.\n /// @param _operator The address which called `safeTransferFrom` function\n /// @param _from The address which previously owned the token\n /// @param _tokenId The NFT identifier which is being transferred\n /// @param _data Additional data with no specified format\n /// @return `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`\n /// unless throwing\n function onERC721Received(\n address _operator,\n address _from,\n uint256 _tokenId,\n bytes _data\n )\n external\n returns (bytes4);\n}\n", + "2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Token {\n\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(\n address indexed _owner,\n address indexed _approved,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(\n address indexed _owner,\n address indexed _operator,\n bool _approved\n );\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// perator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external;\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public;\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address);\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) \n public\n view\n returns (address);\n \n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool);\n}\n", + "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./ERC721Token.sol\";\n\n\ncontract MintableERC721Token is\n ERC721Token\n{\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function _mint(address _to, uint256 _tokenId)\n internal\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == address(0),\n \"ERC721_OWNER_ALREADY_EXISTS\"\n );\n\n owners[_tokenId] = _to;\n balances[_to] = safeAdd(balances[_to], 1);\n\n emit Transfer(\n address(0),\n _to,\n _tokenId\n );\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function _burn(address _owner, uint256 _tokenId)\n internal\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == _owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n owners[_tokenId] = address(0);\n balances[_owner] = safeSub(balances[_owner], 1);\n\n emit Transfer(\n _owner,\n address(0),\n _tokenId\n );\n }\n}\n", + "2.0.0/tokens/EtherToken/IEtherToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/IERC20Token.sol\";\n\n\ncontract IEtherToken is\n IERC20Token\n{\n function deposit()\n public\n payable;\n \n function withdraw(uint256 amount)\n public;\n}\n", + "2.0.0/utils/LibBytes/LibBytes.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\nlibrary LibBytes {\n\n using LibBytes for bytes;\n\n /// @dev Gets the memory address for a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of byte array. This\n /// points to the header of the byte array which contains\n /// the length.\n function rawAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := input\n }\n return memoryAddress;\n }\n \n /// @dev Gets the memory address for the contents of a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of the contents of the byte array.\n function contentAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := add(input, 32)\n }\n return memoryAddress;\n }\n\n /// @dev Copies `length` bytes from memory location `source` to `dest`.\n /// @param dest memory address to copy bytes to.\n /// @param source memory address to copy bytes from.\n /// @param length number of bytes to copy.\n function memCopy(\n uint256 dest,\n uint256 source,\n uint256 length\n )\n internal\n pure\n {\n if (length < 32) {\n // Handle a partial word by reading destination and masking\n // off the bits we are interested in.\n // This correctly handles overlap, zero lengths and source == dest\n assembly {\n let mask := sub(exp(256, sub(32, length)), 1)\n let s := and(mload(source), not(mask))\n let d := and(mload(dest), mask)\n mstore(dest, or(s, d))\n }\n } else {\n // Skip the O(length) loop when source == dest.\n if (source == dest) {\n return;\n }\n\n // For large copies we copy whole words at a time. The final\n // word is aligned to the end of the range (instead of after the\n // previous) to handle partial words. So a copy will look like this:\n //\n // ####\n // ####\n // ####\n // ####\n //\n // We handle overlap in the source and destination range by\n // changing the copying direction. This prevents us from\n // overwriting parts of source that we still need to copy.\n //\n // This correctly handles source == dest\n //\n if (source > dest) {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because it\n // is easier to compare with in the loop, and these\n // are also the addresses we need for copying the\n // last bytes.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the last 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the last bytes in\n // source already due to overlap.\n let last := mload(sEnd)\n\n // Copy whole words front to back\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} lt(source, sEnd) {} {\n mstore(dest, mload(source))\n source := add(source, 32)\n dest := add(dest, 32)\n }\n \n // Write the last 32 bytes\n mstore(dEnd, last)\n }\n } else {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because those\n // are the starting points when copying a word at the end.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the first 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the first bytes in\n // source already due to overlap.\n let first := mload(source)\n\n // Copy whole words back to front\n // We use a signed comparisson here to allow dEnd to become\n // negative (happens when source and dest < 32). Valid\n // addresses in local memory will never be larger than\n // 2**255, so they can be safely re-interpreted as signed.\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} slt(dest, dEnd) {} {\n mstore(dEnd, mload(sEnd))\n sEnd := sub(sEnd, 32)\n dEnd := sub(dEnd, 32)\n }\n \n // Write the first 32 bytes\n mstore(dest, first)\n }\n }\n }\n }\n\n /// @dev Returns a slices from a byte array.\n /// @param b The byte array to take a slice from.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n function slice(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure and copy contents\n result = new bytes(to - from);\n memCopy(\n result.contentAddress(),\n b.contentAddress() + from,\n result.length\n );\n return result;\n }\n \n /// @dev Returns a slice from a byte array without preserving the input.\n /// @param b The byte array to take a slice from. Will be destroyed in the process.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n /// @dev When `from == 0`, the original array will match the slice. In other cases its state will be corrupted.\n function sliceDestructive(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure around [from, to) in-place.\n assembly {\n result := add(b, from)\n mstore(result, sub(to, from))\n }\n return result;\n }\n\n /// @dev Pops the last byte off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The byte that was popped off.\n function popLastByte(bytes memory b)\n internal\n pure\n returns (bytes1 result)\n {\n require(\n b.length > 0,\n \"GREATER_THAN_ZERO_LENGTH_REQUIRED\"\n );\n\n // Store last byte.\n result = b[b.length - 1];\n\n assembly {\n // Decrement length of byte array.\n let newLen := sub(mload(b), 1)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Pops the last 20 bytes off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The 20 byte address that was popped off.\n function popLast20Bytes(bytes memory b)\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= 20,\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Store last 20 bytes.\n result = readAddress(b, b.length - 20);\n\n assembly {\n // Subtract 20 from byte array length.\n let newLen := sub(mload(b), 20)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Tests equality of two byte arrays.\n /// @param lhs First byte array to compare.\n /// @param rhs Second byte array to compare.\n /// @return True if arrays are the same. False otherwise.\n function equals(\n bytes memory lhs,\n bytes memory rhs\n )\n internal\n pure\n returns (bool equal)\n {\n // Keccak gas cost is 30 + numWords * 6. This is a cheap way to compare.\n // We early exit on unequal lengths, but keccak would also correctly\n // handle this.\n return lhs.length == rhs.length && keccak256(lhs) == keccak256(rhs);\n }\n\n /// @dev Reads an address from a position in a byte array.\n /// @param b Byte array containing an address.\n /// @param index Index in byte array of address.\n /// @return address from byte array.\n function readAddress(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Read address from array memory\n assembly {\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 20-byte mask to obtain address\n result := and(mload(add(b, index)), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n return result;\n }\n\n /// @dev Writes an address into a specific position in a byte array.\n /// @param b Byte array to insert address into.\n /// @param index Index in byte array of address.\n /// @param input Address to put into byte array.\n function writeAddress(\n bytes memory b,\n uint256 index,\n address input\n )\n internal\n pure\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Store address into array memory\n assembly {\n // The address occupies 20 bytes and mstore stores 32 bytes.\n // First fetch the 32-byte word where we'll be storing the address, then\n // apply a mask so we have only the bytes in the word that the address will not occupy.\n // Then combine these bytes with the address and store the 32 bytes back to memory with mstore.\n\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 12-byte mask to obtain extra bytes occupying word of memory where we'll store the address\n let neighbors := and(\n mload(add(b, index)),\n 0xffffffffffffffffffffffff0000000000000000000000000000000000000000\n )\n \n // Make sure input address is clean.\n // (Solidity does not guarantee this)\n input := and(input, 0xffffffffffffffffffffffffffffffffffffffff)\n\n // Store the neighbors and address into memory\n mstore(add(b, index), xor(input, neighbors))\n }\n }\n\n /// @dev Reads a bytes32 value from a position in a byte array.\n /// @param b Byte array containing a bytes32 value.\n /// @param index Index in byte array of bytes32 value.\n /// @return bytes32 value from byte array.\n function readBytes32(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes32 result)\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n result := mload(add(b, index))\n }\n return result;\n }\n\n /// @dev Writes a bytes32 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes32 to put into byte array.\n function writeBytes32(\n bytes memory b,\n uint256 index,\n bytes32 input\n )\n internal\n pure\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n mstore(add(b, index), input)\n }\n }\n\n /// @dev Reads a uint256 value from a position in a byte array.\n /// @param b Byte array containing a uint256 value.\n /// @param index Index in byte array of uint256 value.\n /// @return uint256 value from byte array.\n function readUint256(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (uint256 result)\n {\n result = uint256(readBytes32(b, index));\n return result;\n }\n\n /// @dev Writes a uint256 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input uint256 to put into byte array.\n function writeUint256(\n bytes memory b,\n uint256 index,\n uint256 input\n )\n internal\n pure\n {\n writeBytes32(b, index, bytes32(input));\n }\n\n /// @dev Reads an unpadded bytes4 value from a position in a byte array.\n /// @param b Byte array containing a bytes4 value.\n /// @param index Index in byte array of bytes4 value.\n /// @return bytes4 value from byte array.\n function readBytes4(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes4 result)\n {\n require(\n b.length >= index + 4,\n \"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 32 byte length field\n index += 32;\n\n // Read the bytes4 from array memory\n assembly {\n result := mload(add(b, index))\n // Solidity does not require us to clean the trailing bytes.\n // We do it anyway\n result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)\n }\n return result;\n }\n\n /// @dev Reads nested bytes from a specific position.\n /// @dev NOTE: the returned value overlaps with the input value.\n /// Both should be treated as immutable.\n /// @param b Byte array containing nested bytes.\n /// @param index Index of nested bytes.\n /// @return result Nested bytes.\n function readBytesWithLength(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes memory result)\n {\n // Read length of nested bytes\n uint256 nestedBytesLength = readUint256(b, index);\n index += 32;\n\n // Assert length of is valid, given\n // length of nested bytes\n require(\n b.length >= index + nestedBytesLength,\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n \n // Return a pointer to the byte array as it exists inside `b`\n assembly {\n result := add(b, index)\n }\n return result;\n }\n\n /// @dev Inserts bytes at a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes to insert.\n function writeBytesWithLength(\n bytes memory b,\n uint256 index,\n bytes memory input\n )\n internal\n pure\n {\n // Assert length of is valid, given\n // length of input\n require(\n b.length >= index + 32 + input.length, // 32 bytes to store length\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n\n // Copy into \n memCopy(\n b.contentAddress() + index,\n input.rawAddress(), // includes length of \n input.length + 32 // +32 bytes to store length\n );\n }\n\n /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length.\n /// @param dest Byte array that will be overwritten with source bytes.\n /// @param source Byte array to copy onto dest bytes.\n function deepCopyBytes(\n bytes memory dest,\n bytes memory source\n )\n internal\n pure\n {\n uint256 sourceLen = source.length;\n // Dest length must be >= source length, or some bytes would not be copied.\n require(\n dest.length >= sourceLen,\n \"GREATER_OR_EQUAL_TO_SOURCE_BYTES_LENGTH_REQUIRED\"\n );\n memCopy(\n dest.contentAddress(),\n source.contentAddress(),\n sourceLen\n );\n }\n}\n", + "2.0.0/utils/Ownable/IOwnable.sol": "pragma solidity 0.4.24;\n\n\ncontract IOwnable {\n\n function transferOwnership(address newOwner)\n public;\n}\n", + "2.0.0/utils/Ownable/Ownable.sol": "pragma solidity 0.4.24;\n\nimport \"./IOwnable.sol\";\n\n\ncontract Ownable is\n IOwnable\n{\n address public owner;\n\n constructor ()\n public\n {\n owner = msg.sender;\n }\n\n modifier onlyOwner() {\n require(\n msg.sender == owner,\n \"ONLY_CONTRACT_OWNER\"\n );\n _;\n }\n\n function transferOwnership(address newOwner)\n public\n onlyOwner\n {\n if (newOwner != address(0)) {\n owner = newOwner;\n }\n }\n}\n", + "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ReentrancyGuard {\n\n // Locked state of mutex\n bool private locked = false;\n\n /// @dev Functions with this modifer cannot be reentered. The mutex will be locked\n /// before function execution and unlocked after.\n modifier nonReentrant() {\n // Ensure mutex is unlocked\n require(\n !locked,\n \"REENTRANCY_ILLEGAL\"\n );\n\n // Lock mutex before function call\n locked = true;\n\n // Perform function call\n _;\n\n // Unlock mutex after function call\n locked = false;\n }\n}\n", + "2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n\n function safeMul(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(\n c / a == b,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function safeDiv(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a / b;\n return c;\n }\n\n function safeSub(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n require(\n b <= a,\n \"UINT256_UNDERFLOW\"\n );\n return a - b;\n }\n\n function safeAdd(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a + b;\n require(\n c >= a,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function max64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n\n function max256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n}\n" + }, + "sourceTreeHashHex": "0xf4217ae1c8ee6ad15913d86a30747907f26acfb4a1970ea3c8a30d45ce9171d0", + "compiler": { + "name": "solc", + "version": "soljson-v0.4.24+commit.e67f0147.js", + "settings": { + "optimizer": { + "enabled": true, + "runs": 1000000 + }, + "outputSelection": { + "*": { + "*": [ + "abi", + "evm.bytecode.object", + "evm.bytecode.sourceMap", + "evm.deployedBytecode.object", + "evm.deployedBytecode.sourceMap" + ] + } + } + } + }, + "networks": {} +} \ No newline at end of file diff --git a/packages/migrations/artifacts/2.0.0-mainnet/IValidator.json b/packages/migrations/artifacts/2.0.0-mainnet/IValidator.json new file mode 100644 index 000000000..0ccb7b343 --- /dev/null +++ b/packages/migrations/artifacts/2.0.0-mainnet/IValidator.json @@ -0,0 +1,320 @@ +{ + "schemaVersion": "2.0.0", + "contractName": "IValidator", + "compilerOutput": { + "abi": [ + { + "constant": true, + "inputs": [ + { + "name": "hash", + "type": "bytes32" + }, + { + "name": "signerAddress", + "type": "address" + }, + { + "name": "signature", + "type": "bytes" + } + ], + "name": "isValidSignature", + "outputs": [ + { + "name": "isValid", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + } + ], + "evm": { + "bytecode": { + "linkReferences": {}, + "object": "0x", + "opcodes": "", + "sourceMap": "" + }, + "deployedBytecode": { + "linkReferences": {}, + "object": "0x", + "opcodes": "", + "sourceMap": "" + } + } + }, + "sources": { + "2.0.0/extensions/Forwarder/Forwarder.sol": { + "id": 0 + }, + "2.0.0/extensions/Forwarder/MixinAssets.sol": { + "id": 1 + }, + "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": { + "id": 2 + }, + "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": { + "id": 3 + }, + "2.0.0/extensions/Forwarder/MixinWeth.sol": { + "id": 4 + }, + "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": { + "id": 5 + }, + "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": { + "id": 6 + }, + "2.0.0/extensions/Forwarder/libs/LibConstants.sol": { + "id": 7 + }, + "2.0.0/extensions/Forwarder/mixins/MAssets.sol": { + "id": 8 + }, + "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": { + "id": 9 + }, + "2.0.0/extensions/Forwarder/mixins/MWeth.sol": { + "id": 10 + }, + "2.0.0/extensions/OrderValidator/OrderValidator.sol": { + "id": 11 + }, + "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": { + "id": 12 + }, + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": { + "id": 13 + }, + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": { + "id": 14 + }, + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": { + "id": 15 + }, + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": { + "id": 16 + }, + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": { + "id": 17 + }, + "2.0.0/protocol/Exchange/Exchange.sol": { + "id": 18 + }, + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": { + "id": 19 + }, + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": { + "id": 20 + }, + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": { + "id": 21 + }, + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": { + "id": 22 + }, + "2.0.0/protocol/Exchange/MixinTransactions.sol": { + "id": 23 + }, + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": { + "id": 24 + }, + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": { + "id": 25 + }, + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": { + "id": 26 + }, + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": { + "id": 27 + }, + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": { + "id": 28 + }, + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": { + "id": 29 + }, + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": { + "id": 30 + }, + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": { + "id": 31 + }, + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": { + "id": 32 + }, + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": { + "id": 33 + }, + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": { + "id": 34 + }, + "2.0.0/protocol/Exchange/libs/LibConstants.sol": { + "id": 35 + }, + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": { + "id": 36 + }, + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": { + "id": 37 + }, + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": { + "id": 38 + }, + "2.0.0/protocol/Exchange/libs/LibMath.sol": { + "id": 39 + }, + "2.0.0/protocol/Exchange/libs/LibOrder.sol": { + "id": 40 + }, + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": { + "id": 41 + }, + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": { + "id": 42 + }, + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": { + "id": 43 + }, + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": { + "id": 44 + }, + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": { + "id": 45 + }, + "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": { + "id": 46 + }, + "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": { + "id": 47 + }, + "2.0.0/tokens/ERC20Token/ERC20Token.sol": { + "id": 48 + }, + "2.0.0/tokens/ERC20Token/IERC20Token.sol": { + "id": 49 + }, + "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": { + "id": 50 + }, + "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": { + "id": 51 + }, + "2.0.0/tokens/ERC721Token/ERC721Token.sol": { + "id": 52 + }, + "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": { + "id": 53 + }, + "2.0.0/tokens/ERC721Token/IERC721Token.sol": { + "id": 54 + }, + "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": { + "id": 55 + }, + "2.0.0/tokens/EtherToken/IEtherToken.sol": { + "id": 56 + }, + "2.0.0/utils/LibBytes/LibBytes.sol": { + "id": 57 + }, + "2.0.0/utils/Ownable/IOwnable.sol": { + "id": 58 + }, + "2.0.0/utils/Ownable/Ownable.sol": { + "id": 59 + }, + "2.0.0/utils/SafeMath/SafeMath.sol": { + "id": 60 + } + }, + "sourceCodes": { + "2.0.0/extensions/Forwarder/Forwarder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinWeth.sol\";\nimport \"./MixinForwarderCore.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinAssets.sol\";\nimport \"./MixinExchangeWrapper.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Forwarder is\n LibConstants,\n MixinWeth,\n MixinAssets,\n MixinExchangeWrapper,\n MixinForwarderCore\n{\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n LibConstants(\n _exchange,\n _zrxAssetData,\n _wethAssetData\n )\n MixinForwarderCore()\n {}\n}\n", + "2.0.0/extensions/Forwarder/MixinAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MAssets.sol\";\n\n\ncontract MixinAssets is\n Ownable,\n LibConstants,\n MAssets\n{\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256(\"transfer(address,uint256)\"));\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external\n onlyOwner\n {\n transferAssetToSender(assetData, amount);\n }\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n bytes4 proxyId = assetData.readBytes4(0);\n\n if (proxyId == ERC20_DATA_ID) {\n transferERC20Token(assetData, amount);\n } else if (proxyId == ERC721_DATA_ID) {\n transferERC721Token(assetData, amount);\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n }\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n address token = assetData.readAddress(16);\n\n // Transfer tokens.\n // We do a raw call so we can check the success separate\n // from the return data.\n bool success = token.call(abi.encodeWithSelector(\n ERC20_TRANSFER_SELECTOR,\n msg.sender,\n amount\n ));\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n \n // Check return data.\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // value that evaluates to true.\n assembly {\n if returndatasize {\n success := 0\n if eq(returndatasize, 32) {\n // First 64 bytes of memory are reserved scratch space\n returndatacopy(0, 0, 32)\n success := mload(0)\n }\n }\n }\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n }\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n require(\n amount == 1,\n \"INVALID_AMOUNT\"\n );\n // Decode asset data.\n address token = assetData.readAddress(16);\n uint256 tokenId = assetData.readUint256(36);\n\n // Perform transfer.\n IERC721Token(token).transferFrom(\n address(this),\n msg.sender,\n tokenId\n );\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"../../protocol/Exchange/libs/LibAbiEncoder.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinExchangeWrapper is\n LibAbiEncoder,\n LibFillResults,\n LibMath,\n LibConstants,\n MExchangeWrapper\n{\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n address exchange = address(EXCHANGE);\n\n // Call `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := call(\n gas, // forward all gas, TODO: look into gas consumption of assert/throw\n exchange, // call address of Exchange contract\n 0, // transfer 0 wei\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n switch success\n case 0 {\n mstore(fillResults, 0)\n mstore(add(fillResults, 32), 0)\n mstore(add(fillResults, 64), 0)\n mstore(add(fillResults, 96), 0)\n }\n case 1 {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of WETH to sell\n uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of WETH\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmount(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount;\n if (makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n\n require(\n makerAssetFilledAmount >= makerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n // Do nothing if zrxBuyAmount == 0\n if (zrxBuyAmount == 0) {\n return totalFillResults;\n }\n\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n uint256 zrxPurchased = 0;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // All of these are ZRX/WETH, so we can drop the respective assetData from calldata.\n orders[i].makerAssetData = zrxAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of ZRX to buy.\n uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased);\n\n // Convert the remaining amount of ZRX to buy into remaining amount\n // of WETH to sell, assuming entire amount can be sold in the current order.\n uint256 remainingWethSellAmount = getPartialAmount(\n orders[i].takerAssetAmount,\n safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees \n remainingZrxBuyAmount\n );\n\n // Attempt to sell the remaining amount of WETH.\n FillResults memory singleFillResult = fillOrderNoThrow(\n orders[i],\n safeAdd(remainingWethSellAmount, 1), // we add 1 wei to the fill amount to make up for rounding errors\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker.\n addFillResults(totalFillResults, singleFillResult);\n zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid);\n\n // Stop execution if the entire amount of ZRX has been bought.\n if (zrxPurchased >= zrxBuyAmount) {\n break;\n }\n }\n\n require(\n zrxPurchased >= zrxBuyAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\nimport \"./mixins/MAssets.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"./interfaces/IForwarderCore.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinForwarderCore is\n LibFillResults,\n LibMath,\n LibConstants,\n MWeth,\n MAssets,\n MExchangeWrapper,\n IForwarderCore\n{\n\n using LibBytes for bytes;\n\n /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf.\n constructor ()\n public\n {\n address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID);\n if (proxyAddress != address(0)) {\n ETHER_TOKEN.approve(proxyAddress, MAX_UINT);\n ZRX_TOKEN.approve(proxyAddress, MAX_UINT);\n }\n }\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 wethSellAmount;\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // Calculate amount of WETH that won't be spent on ETH fees.\n wethSellAmount = getPartialAmount(\n PERCENTAGE_DENOMINATOR,\n safeAdd(PERCENTAGE_DENOMINATOR, feePercentage),\n msg.value\n );\n // Market sell available WETH.\n // ZRX fees are paid with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // 5% of WETH is reserved for filling feeOrders and paying feeRecipient.\n wethSellAmount = getPartialAmount(\n MAX_WETH_FILL_PERCENTAGE,\n PERCENTAGE_DENOMINATOR,\n msg.value\n );\n // Market sell 95% of WETH.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // If the makerAsset is ZRX, it is not necessary to pay fees out of this\n // contracts's ZRX balance because fees are factored into the price of the order.\n orderFillResults = marketBuyExactZrxWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // Attemp to purchase desired amount of makerAsset.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketBuyExactAmountWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\n\n\ncontract MixinWeth is\n LibMath,\n LibConstants,\n MWeth\n{\n\n /// @dev Default payabale function, this allows us to withdraw WETH\n function ()\n public\n payable\n {\n require(\n msg.sender == address(ETHER_TOKEN),\n \"DEFAULT_FUNCTION_WETH_CONTRACT_ONLY\"\n );\n }\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal\n {\n require(\n msg.value > 0,\n \"INVALID_MSG_VALUE\"\n );\n ETHER_TOKEN.deposit.value(msg.value)();\n }\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal\n {\n // Ensure feePercentage is less than 5%.\n require(\n feePercentage <= MAX_FEE_PERCENTAGE,\n \"FEE_PERCENTAGE_TOO_LARGE\"\n );\n\n // Ensure that no extra WETH owned by this contract has been sold.\n uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx);\n require(\n wethSold <= msg.value,\n \"OVERSOLD_WETH\"\n );\n\n // Calculate amount of WETH that hasn't been sold.\n uint256 wethRemaining = safeSub(msg.value, wethSold);\n\n // Calculate ETH fee to pay to feeRecipient.\n uint256 ethFee = getPartialAmount(\n feePercentage,\n PERCENTAGE_DENOMINATOR,\n wethSoldExcludingFeeOrders\n );\n\n // Ensure fee is less than amount of WETH remaining.\n require(\n ethFee <= wethRemaining,\n \"INSUFFICIENT_ETH_REMAINING\"\n );\n \n // Do nothing if no WETH remaining\n if (wethRemaining > 0) {\n // Convert remaining WETH to ETH\n ETHER_TOKEN.withdraw(wethRemaining);\n\n // Pay ETH to feeRecipient\n if (ethFee > 0) {\n feeRecipient.transfer(ethFee);\n }\n\n // Refund remaining ETH to msg.sender.\n uint256 ethRefund = safeSub(wethRemaining, ethFee);\n if (ethRefund > 0) {\n msg.sender.transfer(ethRefund);\n }\n }\n }\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssets {\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external;\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract IForwarderCore {\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n}\n", + "2.0.0/extensions/Forwarder/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/LibBytes/LibBytes.sol\";\nimport \"../../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../../tokens/EtherToken/IEtherToken.sol\";\nimport \"../../../tokens/ERC20Token/IERC20Token.sol\";\n\n\ncontract LibConstants {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n uint256 constant internal MAX_UINT = 2**256 - 1;\n uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; \n uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5%\n uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95%\n \n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n IEtherToken internal ETHER_TOKEN;\n IERC20Token internal ZRX_TOKEN;\n bytes internal ZRX_ASSET_DATA;\n bytes internal WETH_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n WETH_ASSET_DATA = _wethAssetData;\n\n address etherToken = _wethAssetData.readAddress(16);\n address zrxToken = _zrxAssetData.readAddress(16);\n ETHER_TOKEN = IEtherToken(etherToken);\n ZRX_TOKEN = IERC20Token(zrxToken);\n }\n}\n", + "2.0.0/extensions/Forwarder/mixins/MAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssets.sol\";\n\n\ncontract MAssets is\n IAssets\n{\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract MExchangeWrapper {\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n}\n", + "2.0.0/extensions/Forwarder/mixins/MWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract MWeth {\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal;\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal;\n}\n", + "2.0.0/extensions/OrderValidator/OrderValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract OrderValidator {\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n using LibBytes for bytes;\n\n struct TraderInfo {\n uint256 makerBalance; // Maker's balance of makerAsset\n uint256 makerAllowance; // Maker's allowance to corresponding AssetProxy\n uint256 takerBalance; // Taker's balance of takerAsset\n uint256 takerAllowance; // Taker's allowance to corresponding AssetProxy\n uint256 makerZrxBalance; // Maker's balance of ZRX\n uint256 makerZrxAllowance; // Maker's allowance of ZRX to ERC20Proxy\n uint256 takerZrxBalance; // Taker's balance of ZRX\n uint256 takerZrxAllowance; // Taker's allowance of ZRX to ERC20Proxy\n }\n\n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n bytes internal ZRX_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (address _exchange, bytes memory _zrxAssetData)\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n }\n\n /// @dev Fetches information for order and maker/taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return OrderInfo and TraderInfo instances for given order.\n function getOrderAndTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo, TraderInfo memory traderInfo)\n {\n orderInfo = EXCHANGE.getOrderInfo(order);\n traderInfo = getTraderInfo(order, takerAddress);\n return (orderInfo, traderInfo);\n }\n\n /// @dev Fetches information for all passed in orders and the makers/takers of each order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Arrays of OrderInfo and TraderInfo instances that correspond to each order.\n function getOrdersAndTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (LibOrder.OrderInfo[] memory ordersInfo, TraderInfo[] memory tradersInfo)\n {\n ordersInfo = EXCHANGE.getOrdersInfo(orders);\n tradersInfo = getTradersInfo(orders, takerAddresses);\n return (ordersInfo, tradersInfo);\n }\n\n /// @dev Fetches balance and allowances for maker and taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return Balances and allowances of maker and taker of order.\n function getTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (TraderInfo memory traderInfo)\n {\n (traderInfo.makerBalance, traderInfo.makerAllowance) = getBalanceAndAllowance(order.makerAddress, order.makerAssetData);\n (traderInfo.takerBalance, traderInfo.takerAllowance) = getBalanceAndAllowance(takerAddress, order.takerAssetData);\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n (traderInfo.makerZrxBalance, traderInfo.makerZrxAllowance) = getBalanceAndAllowance(order.makerAddress, zrxAssetData);\n (traderInfo.takerZrxBalance, traderInfo.takerZrxAllowance) = getBalanceAndAllowance(takerAddress, zrxAssetData);\n return traderInfo;\n }\n\n /// @dev Fetches balances and allowances of maker and taker for each provided order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Array of balances and allowances for maker and taker of each order.\n function getTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (TraderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n TraderInfo[] memory tradersInfo = new TraderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n tradersInfo[i] = getTraderInfo(orders[i], takerAddresses[i]);\n }\n return tradersInfo;\n }\n\n /// @dev Fetches token balances and allowances of an address to given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Encoded data that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balance of asset and allowance set to given proxy of asset.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalanceAndAllowance(address target, bytes memory assetData)\n public\n view\n returns (uint256 balance, uint256 allowance)\n {\n bytes4 assetProxyId = assetData.readBytes4(0);\n address token = assetData.readAddress(16);\n address assetProxy = EXCHANGE.getAssetProxy(assetProxyId);\n\n if (assetProxyId == ERC20_DATA_ID) {\n // Query balance\n balance = IERC20Token(token).balanceOf(target);\n\n // Query allowance\n allowance = IERC20Token(token).allowance(target, assetProxy);\n } else if (assetProxyId == ERC721_DATA_ID) {\n uint256 tokenId = assetData.readUint256(36);\n\n // Query owner of tokenId\n address owner = getERC721TokenOwner(token, tokenId);\n\n // Set balance to 1 if tokenId is owned by target\n balance = target == owner ? 1 : 0;\n\n // Check if ERC721Proxy is approved to spend tokenId\n bool isApproved = IERC721Token(token).isApprovedForAll(target, assetProxy) || IERC721Token(token).getApproved(tokenId) == assetProxy;\n \n // Set alowance to 1 if ERC721Proxy is approved to spend tokenId\n allowance = isApproved ? 1 : 0;\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n return (balance, allowance);\n }\n\n /// @dev Fetches token balances and allowances of an address for each given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Array of encoded byte arrays that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balances and allowances of assets.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalancesAndAllowances(address target, bytes[] memory assetData)\n public\n view\n returns (uint256[] memory, uint256[] memory)\n {\n uint256 length = assetData.length;\n uint256[] memory balances = new uint256[](length);\n uint256[] memory allowances = new uint256[](length);\n for (uint256 i = 0; i != length; i++) {\n (balances[i], allowances[i]) = getBalanceAndAllowance(target, assetData[i]);\n }\n return (balances, allowances);\n }\n\n /// @dev Calls `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token.\n /// @param token Address of ERC721 token.\n /// @param tokenId The identifier for the specific NFT.\n /// @return Owner of tokenId or null address if unowned.\n function getERC721TokenOwner(address token, uint256 tokenId)\n public\n view\n returns (address owner)\n {\n assembly {\n // load free memory pointer\n let cdStart := mload(64)\n\n // bytes4(keccak256(ownerOf(uint256))) = 0x6352211e\n mstore(cdStart, 0x6352211e00000000000000000000000000000000000000000000000000000000)\n mstore(add(cdStart, 4), tokenId)\n\n // staticcall `ownerOf(tokenId)`\n // `ownerOf` will revert if tokenId is not owned\n let success := staticcall(\n gas, // forward all gas\n token, // call token contract\n cdStart, // start of calldata\n 36, // length of input is 36 bytes\n cdStart, // write output over input\n 32 // size of output is 32 bytes\n )\n\n // Success implies that tokenId is owned\n // Copy owner from return data if successful\n if success {\n owner := mload(cdStart)\n } \n }\n\n // Owner initialized to address(0), no need to modify if call is unsuccessful\n return owner;\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC20Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n \n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n \n /////// Token contract address ///////\n // The token address is found as follows:\n // * It is stored at offset 4 in `assetData` contents.\n // * This is stored at offset 32 from `assetData`.\n // * The offset to `assetData` from Params is stored at offset\n // 4 in calldata.\n // * The offset of Params in calldata is 4.\n // So we read location 4 and add 32 + 4 + 4 to it.\n let token := calldataload(add(calldataload(4), 40))\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from`, `to` and `amount` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 96)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output over input\n 32 // output size should be 32 bytes\n )\n\n /////// Check return data. ///////\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // nonzero 32 bytes value.\n // So the transfer succeeded if the call succeeded and either\n // returned nothing, or returned a non-zero 32 byte value. \n success := and(success, or(\n iszero(returndatasize),\n and(\n eq(returndatasize, 32),\n gt(mload(0), 0)\n )\n ))\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC721Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 2 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n // | | 36 | | 2. tokenId |\n \n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. tokenId |\n\n // There exists only 1 of each token.\n // require(amount == 1, \"INVALID_AMOUNT\")\n if sub(calldataload(100), 1) {\n // Revert with `Error(\"INVALID_AMOUNT\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from` and `to` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 64)\n\n // Copy `tokenId` field from our own calldata to the new calldata.\n let assetDataOffset := calldataload(4)\n calldatacopy(68, add(assetDataOffset, 72), 32)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let token := calldataload(add(assetDataOffset, 40))\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output to null\n 0 // output size is 0 bytes\n )\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAuthorizable.sol\";\n\n\ncontract MixinAuthorizable is\n Ownable,\n MAuthorizable\n{\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized {\n require(\n authorized[msg.sender],\n \"SENDER_NOT_AUTHORIZED\"\n );\n _;\n }\n\n mapping (address => bool) public authorized;\n address[] public authorities;\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n !authorized[target],\n \"TARGET_ALREADY_AUTHORIZED\"\n );\n\n authorized[target] = true;\n authorities.push(target);\n emit AuthorizedAddressAdded(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n\n delete authorized[target];\n for (uint256 i = 0; i < authorities.length; i++) {\n if (authorities[i] == target) {\n authorities[i] = authorities[authorities.length - 1];\n authorities.length -= 1;\n break;\n }\n }\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n require(\n index < authorities.length,\n \"INDEX_OUT_OF_BOUNDS\"\n );\n require(\n authorities[index] == target,\n \"AUTHORIZED_ADDRESS_MISMATCH\"\n );\n\n delete authorized[target];\n authorities[index] = authorities[authorities.length - 1];\n authorities.length -= 1;\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory)\n {\n return authorities;\n }\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IAuthorizable.sol\";\n\n\ncontract IAssetProxy is\n IAuthorizable\n{\n\n /// @dev Transfers assets. Either succeeds or throws.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n function transferFrom(\n bytes assetData,\n address from,\n address to,\n uint256 amount\n )\n external;\n \n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4);\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/Ownable/IOwnable.sol\";\n\n\ncontract IAuthorizable is\n IOwnable\n{\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external;\n \n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory);\n}\n", + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAuthorizable.sol\";\n\n\ncontract MAuthorizable is\n IAuthorizable\n{\n\n // Event logged when a new address is authorized.\n event AuthorizedAddressAdded(\n address indexed target,\n address indexed caller\n );\n\n // Event logged when a currently authorized address is unauthorized.\n event AuthorizedAddressRemoved(\n address indexed target,\n address indexed caller\n );\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized { revert(); _; }\n}\n", + "2.0.0/protocol/Exchange/Exchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinExchangeCore.sol\";\nimport \"./MixinSignatureValidator.sol\";\nimport \"./MixinWrapperFunctions.sol\";\nimport \"./MixinAssetProxyDispatcher.sol\";\nimport \"./MixinTransactions.sol\";\nimport \"./MixinMatchOrders.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Exchange is\n MixinExchangeCore,\n MixinMatchOrders,\n MixinSignatureValidator,\n MixinTransactions,\n MixinAssetProxyDispatcher,\n MixinWrapperFunctions\n{\n\n string constant public VERSION = \"2.0.1-alpha\";\n\n // Mixins are instantiated in the order they are inherited\n constructor (bytes memory _zrxAssetData)\n public\n LibConstants(_zrxAssetData) // @TODO: Remove when we deploy.\n MixinExchangeCore()\n MixinMatchOrders()\n MixinSignatureValidator()\n MixinTransactions()\n MixinAssetProxyDispatcher()\n MixinWrapperFunctions()\n {}\n}\n", + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\nimport \"../AssetProxy/interfaces/IAssetProxy.sol\";\n\n\ncontract MixinAssetProxyDispatcher is\n Ownable,\n MAssetProxyDispatcher\n{\n using LibBytes for bytes;\n \n // Mapping from Asset Proxy Id's to their respective Asset Proxy\n mapping (bytes4 => IAssetProxy) public assetProxies;\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external\n onlyOwner\n {\n IAssetProxy assetProxyContract = IAssetProxy(assetProxy);\n\n // Ensure that no asset proxy exists with current id.\n bytes4 assetProxyId = assetProxyContract.getProxyId();\n address currentAssetProxy = assetProxies[assetProxyId];\n require(\n currentAssetProxy == address(0),\n \"ASSET_PROXY_ALREADY_EXISTS\"\n );\n\n // Add asset proxy and log registration.\n assetProxies[assetProxyId] = assetProxyContract;\n emit AssetProxyRegistered(\n assetProxyId,\n assetProxy\n );\n }\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address)\n {\n return assetProxies[assetProxyId];\n }\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal\n {\n // Do nothing if no amount should be transferred.\n if (amount > 0) {\n // Ensure assetData length is valid\n require(\n assetData.length > 3,\n \"LENGTH_GREATER_THAN_3_REQUIRED\"\n );\n \n // Lookup assetProxy\n bytes4 assetProxyId;\n assembly {\n assetProxyId := and(mload(\n add(assetData, 32)),\n 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000\n )\n }\n address assetProxy = assetProxies[assetProxyId];\n\n // Ensure that assetProxy exists\n require(\n assetProxy != address(0),\n \"ASSET_PROXY_DOES_NOT_EXIST\"\n );\n \n // We construct calldata for the `assetProxy.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n\n assembly {\n /////// Setup State ///////\n // `cdStart` is the start of the calldata for `assetProxy.transferFrom` (equal to free memory ptr).\n let cdStart := mload(64)\n // `dataAreaLength` is the total number of words needed to store `assetData`\n // As-per the ABI spec, this value is padded up to the nearest multiple of 32,\n // and includes 32-bytes for length.\n let dataAreaLength := and(add(mload(assetData), 63), 0xFFFFFFFFFFFE0)\n // `cdEnd` is the end of the calldata for `assetProxy.transferFrom`.\n let cdEnd := add(cdStart, add(132, dataAreaLength))\n\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFromSelector`.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes.\n // Notes:\n // 1. The offset to `assetData` is the length of the Params Area (128 bytes).\n // 2. A 20-byte mask is applied to addresses to zero-out the unused bytes.\n mstore(add(cdStart, 4), 128)\n mstore(add(cdStart, 36), and(from, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 68), and(to, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 100), amount)\n \n /////// Setup Data Area ///////\n // This area holds `assetData`.\n let dataArea := add(cdStart, 132)\n // solhint-disable-next-line no-empty-blocks\n for {} lt(dataArea, cdEnd) {} {\n mstore(dataArea, mload(assetData))\n dataArea := add(dataArea, 32)\n assetData := add(assetData, 32)\n }\n\n /////// Call `assetProxy.transferFrom` using the constructed calldata ///////\n let success := call(\n gas, // forward all gas\n assetProxy, // call address of asset proxy\n 0, // don't send any ETH\n cdStart, // pointer to start of input\n sub(cdEnd, cdStart), // length of input \n cdStart, // write output over input\n 512 // reserve 512 bytes for output\n )\n if iszero(success) {\n revert(cdStart, returndatasize())\n }\n }\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinExchangeCore is\n LibConstants,\n LibMath,\n LibOrder,\n LibFillResults,\n MAssetProxyDispatcher,\n MExchangeCore,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of orderHash => amount of takerAsset already bought by maker\n mapping (bytes32 => uint256) public filled;\n\n // Mapping of orderHash => cancelled\n mapping (bytes32 => bool) public cancelled;\n\n // Mapping of makerAddress => senderAddress => lowest salt an order can have in order to be fillable\n // Orders with specified senderAddress and with a salt less than their epoch are considered cancelled\n mapping (address => mapping (address => uint256)) public orderEpoch;\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external\n {\n address makerAddress = getCurrentContextAddress();\n // If this function is called via `executeTransaction`, we only update the orderEpoch for the makerAddress/msg.sender combination.\n // This allows external filter contracts to add rules to how orders are cancelled via this function.\n address senderAddress = makerAddress == msg.sender ? address(0) : msg.sender;\n\n // orderEpoch is initialized to 0, so to cancelUpTo we need salt + 1\n uint256 newOrderEpoch = targetOrderEpoch + 1; \n uint256 oldOrderEpoch = orderEpoch[makerAddress][senderAddress];\n\n // Ensure orderEpoch is monotonically increasing\n require(\n newOrderEpoch > oldOrderEpoch, \n \"INVALID_NEW_ORDER_EPOCH\"\n );\n\n // Update orderEpoch\n orderEpoch[makerAddress][senderAddress] = newOrderEpoch;\n emit CancelUpTo(makerAddress, senderAddress, newOrderEpoch);\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // Fetch order info\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n\n // Get amount of takerAsset to fill\n uint256 remainingTakerAssetAmount = safeSub(order.takerAssetAmount, orderInfo.orderTakerAssetFilledAmount);\n uint256 takerAssetFilledAmount = min256(takerAssetFillAmount, remainingTakerAssetAmount);\n\n // Validate context\n assertValidFill(\n order,\n orderInfo,\n takerAddress,\n takerAssetFillAmount,\n takerAssetFilledAmount,\n signature\n );\n\n // Compute proportional fill amounts\n fillResults = calculateFillResults(order, takerAssetFilledAmount);\n\n // Update exchange internal state\n updateFilledState(\n order,\n takerAddress,\n orderInfo.orderHash,\n orderInfo.orderTakerAssetFilledAmount,\n fillResults\n );\n \n // Settle order\n settleOrder(order, takerAddress, fillResults);\n\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrder(Order memory order)\n public\n {\n // Fetch current order status\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Validate context\n assertValidCancel(order, orderInfo);\n\n // Perform cancel\n updateCancelledState(order, orderInfo.orderHash);\n }\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(Order memory order)\n public\n view\n returns (OrderInfo memory orderInfo)\n {\n // Compute the order hash\n orderInfo.orderHash = getOrderHash(order);\n\n // Fetch filled amount\n orderInfo.orderTakerAssetFilledAmount = filled[orderInfo.orderHash];\n\n // If order.makerAssetAmount is zero, we also reject the order.\n // While the Exchange contract handles them correctly, they create\n // edge cases in the supporting infrastructure because they have\n // an 'infinite' price when computed by a simple division.\n if (order.makerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_MAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // If order.takerAssetAmount is zero, then the order will always\n // be considered filled because 0 == takerAssetAmount == orderTakerAssetFilledAmount\n // Instead of distinguishing between unfilled and filled zero taker\n // amount orders, we choose not to support them.\n if (order.takerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_TAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // Validate order availability\n if (orderInfo.orderTakerAssetFilledAmount >= order.takerAssetAmount) {\n orderInfo.orderStatus = uint8(OrderStatus.FULLY_FILLED);\n return orderInfo;\n }\n\n // Validate order expiration\n // solhint-disable-next-line not-rely-on-time\n if (block.timestamp >= order.expirationTimeSeconds) {\n orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);\n return orderInfo;\n }\n\n // Check if order has been cancelled\n if (cancelled[orderInfo.orderHash]) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n if (orderEpoch[order.makerAddress][order.senderAddress] > order.salt) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n\n // All other statuses are ruled out: order is Fillable\n orderInfo.orderStatus = uint8(OrderStatus.FILLABLE);\n return orderInfo;\n }\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n function updateFilledState(\n Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n FillResults memory fillResults\n )\n internal\n {\n // Update state\n filled[orderHash] = safeAdd(orderTakerAssetFilledAmount, fillResults.takerAssetFilledAmount);\n\n // Log order\n emit Fill(\n order.makerAddress,\n order.feeRecipientAddress,\n takerAddress,\n msg.sender,\n fillResults.makerAssetFilledAmount,\n fillResults.takerAssetFilledAmount,\n fillResults.makerFeePaid,\n fillResults.takerFeePaid,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n Order memory order,\n bytes32 orderHash\n )\n internal\n {\n // Perform cancel\n cancelled[orderHash] = true;\n\n // Log cancel\n emit Cancel(\n order.makerAddress,\n order.feeRecipientAddress,\n msg.sender,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param signature Proof that the orders was created by its maker.\n function assertValidFill(\n Order memory order,\n OrderInfo memory orderInfo,\n address takerAddress,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n bytes memory signature\n )\n internal\n view\n {\n // An order can only be filled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Revert if fill amount is invalid\n require(\n takerAssetFillAmount != 0,\n \"INVALID_TAKER_AMOUNT\"\n );\n\n // Validate sender is allowed to fill this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate taker is allowed to fill this order\n if (order.takerAddress != address(0)) {\n require(\n order.takerAddress == takerAddress,\n \"INVALID_TAKER\"\n );\n }\n\n // Validate Maker signature (check only if first time seen)\n if (orderInfo.orderTakerAssetFilledAmount == 0) {\n require(\n isValidSignature(\n orderInfo.orderHash,\n order.makerAddress,\n signature\n ),\n \"INVALID_ORDER_SIGNATURE\"\n );\n }\n\n // Validate fill order rounding\n require(\n !isRoundingError(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n ),\n \"ROUNDING_ERROR\"\n );\n }\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n Order memory order,\n OrderInfo memory orderInfo\n )\n internal\n view\n {\n // Ensure order is valid\n // An order can only be cancelled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Validate sender is allowed to cancel this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate transaction signed by maker\n address makerAddress = getCurrentContextAddress();\n require(\n order.makerAddress == makerAddress,\n \"INVALID_MAKER\"\n );\n }\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (FillResults memory fillResults)\n {\n // Compute proportional transfer amounts\n fillResults.takerAssetFilledAmount = takerAssetFilledAmount;\n fillResults.makerAssetFilledAmount = getPartialAmount(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n );\n fillResults.makerFeePaid = getPartialAmount(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerFee\n );\n fillResults.takerFeePaid = getPartialAmount(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.takerFee\n );\n\n return fillResults;\n }\n\n /// @dev Settles an order by transferring assets between counterparties.\n /// @param order Order struct containing order specifications.\n /// @param takerAddress Address selling takerAsset and buying makerAsset.\n /// @param fillResults Amounts to be filled and fees paid by maker and taker.\n function settleOrder(\n LibOrder.Order memory order,\n address takerAddress,\n LibFillResults.FillResults memory fillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n dispatchTransferFrom(\n order.makerAssetData,\n order.makerAddress,\n takerAddress,\n fillResults.makerAssetFilledAmount\n );\n dispatchTransferFrom(\n order.takerAssetData,\n takerAddress,\n order.makerAddress,\n fillResults.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n zrxAssetData,\n order.makerAddress,\n order.feeRecipientAddress,\n fillResults.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n order.feeRecipientAddress,\n fillResults.takerFeePaid\n );\n }\n}\n", + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": "/*\n Copyright 2018 ZeroEx Intl.\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n http://www.apache.org/licenses/LICENSE-2.0\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MMatchOrders.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinMatchOrders is\n LibConstants,\n LibMath,\n MAssetProxyDispatcher,\n MExchangeCore,\n MMatchOrders,\n MTransactions\n{\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We assume that rightOrder.takerAssetData == leftOrder.makerAssetData and rightOrder.makerAssetData == leftOrder.takerAssetData.\n // If this assumption isn't true, the match will fail at signature validation.\n rightOrder.makerAssetData = leftOrder.takerAssetData;\n rightOrder.takerAssetData = leftOrder.makerAssetData;\n\n // Get left & right order info\n LibOrder.OrderInfo memory leftOrderInfo = getOrderInfo(leftOrder);\n LibOrder.OrderInfo memory rightOrderInfo = getOrderInfo(rightOrder);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n\n // Either our context is valid or we revert\n assertValidMatch(leftOrder, rightOrder);\n\n // Compute proportional fill amounts\n matchedFillResults = calculateMatchedFillResults(\n leftOrder,\n rightOrder,\n leftOrderInfo.orderTakerAssetFilledAmount,\n rightOrderInfo.orderTakerAssetFilledAmount\n );\n\n // Validate fill contexts\n assertValidFill(\n leftOrder,\n leftOrderInfo,\n takerAddress,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.takerAssetFilledAmount,\n leftSignature\n );\n assertValidFill(\n rightOrder,\n rightOrderInfo,\n takerAddress,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount,\n rightSignature\n );\n\n // Update exchange state\n updateFilledState(\n leftOrder,\n takerAddress,\n leftOrderInfo.orderHash,\n leftOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.left\n );\n updateFilledState(\n rightOrder,\n takerAddress,\n rightOrderInfo.orderHash,\n rightOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.right\n );\n \n // Settle matched orders. Succeeds or throws.\n settleMatchedOrders(\n leftOrder,\n rightOrder,\n takerAddress,\n matchedFillResults\n );\n\n return matchedFillResults;\n }\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure\n {\n // Make sure there is a profitable spread.\n // There is a profitable spread iff the cost per unit bought (OrderA.MakerAmount/OrderA.TakerAmount) for each order is greater\n // than the profit per unit sold of the matched order (OrderB.TakerAmount/OrderB.MakerAmount).\n // This is satisfied by the equations below:\n // / >= / \n // AND\n // / >= / \n // These equations can be combined to get the following:\n require(\n safeMul(leftOrder.makerAssetAmount, rightOrder.makerAssetAmount) >=\n safeMul(leftOrder.takerAssetAmount, rightOrder.takerAssetAmount),\n \"NEGATIVE_SPREAD_REQUIRED\"\n );\n }\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We settle orders at the exchange rate of the right order.\n // The amount saved by the left maker goes to the taker.\n // Either the left or right order will be fully filled; possibly both.\n // The left order is fully filled iff the right order can sell more than left can buy.\n // That is: the amount required to fill the left order is less than or equal to\n // the amount we can spend from the right order:\n // <= * \n // <= * / \n // * <= * \n uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);\n uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);\n uint256 leftTakerAssetFilledAmount;\n uint256 rightTakerAssetFilledAmount;\n if (\n safeMul(leftTakerAssetAmountRemaining, rightOrder.takerAssetAmount) <=\n safeMul(rightTakerAssetAmountRemaining, rightOrder.makerAssetAmount)\n ) {\n // Left order will be fully filled: maximally fill left\n leftTakerAssetFilledAmount = leftTakerAssetAmountRemaining;\n\n // The right order receives an amount proportional to how much was spent.\n rightTakerAssetFilledAmount = getPartialAmount(\n rightOrder.takerAssetAmount,\n rightOrder.makerAssetAmount,\n leftTakerAssetFilledAmount\n );\n } else {\n // Right order will be fully filled: maximally fill right\n rightTakerAssetFilledAmount = rightTakerAssetAmountRemaining;\n\n // The left order receives an amount proportional to how much was spent.\n leftTakerAssetFilledAmount = getPartialAmount(\n rightOrder.makerAssetAmount,\n rightOrder.takerAssetAmount,\n rightTakerAssetFilledAmount\n );\n }\n\n // Calculate fill results for left order\n matchedFillResults.left = calculateFillResults(\n leftOrder,\n leftTakerAssetFilledAmount\n );\n\n // Calculate fill results for right order\n matchedFillResults.right = calculateFillResults(\n rightOrder,\n rightTakerAssetFilledAmount\n );\n\n // Calculate amount given to taker\n matchedFillResults.leftMakerAssetSpreadAmount = safeSub(\n matchedFillResults.left.makerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount\n );\n\n // Return fill results\n return matchedFillResults;\n }\n\n /// @dev Settles matched order by transferring appropriate funds between order makers, taker, and fee recipient.\n /// @param leftOrder First matched order.\n /// @param rightOrder Second matched order.\n /// @param takerAddress Address that matched the orders. The taker receives the spread between orders as profit.\n /// @param matchedFillResults Struct holding amounts to transfer between makers, taker, and fee recipients.\n function settleMatchedOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n address takerAddress,\n LibFillResults.MatchedFillResults memory matchedFillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n // Order makers and taker\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n rightOrder.makerAddress,\n matchedFillResults.right.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n rightOrder.makerAssetData,\n rightOrder.makerAddress,\n leftOrder.makerAddress,\n matchedFillResults.left.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n takerAddress,\n matchedFillResults.leftMakerAssetSpreadAmount\n );\n\n // Maker fees\n dispatchTransferFrom(\n zrxAssetData,\n leftOrder.makerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n rightOrder.makerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.makerFeePaid\n );\n\n // Taker fees\n if (leftOrder.feeRecipientAddress == rightOrder.feeRecipientAddress) {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n safeAdd(\n matchedFillResults.left.takerFeePaid,\n matchedFillResults.right.takerFeePaid\n )\n );\n } else {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.takerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.takerFeePaid\n );\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./interfaces/IWallet.sol\";\nimport \"./interfaces/IValidator.sol\";\n\n\ncontract MixinSignatureValidator is\n MSignatureValidator,\n MTransactions\n{\n using LibBytes for bytes;\n \n // Mapping of hash => signer => signed\n mapping (bytes32 => mapping (address => bool)) public preSigned;\n\n // Mapping of signer => validator => approved\n mapping (address => mapping (address => bool)) public allowedValidators;\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n {\n require(\n isValidSignature(\n hash,\n signerAddress,\n signature\n ),\n \"INVALID_SIGNATURE\"\n );\n preSigned[hash][signerAddress] = true;\n }\n\n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external\n {\n address signerAddress = getCurrentContextAddress();\n allowedValidators[signerAddress][validatorAddress] = approval;\n emit SignatureValidatorApproval(\n signerAddress,\n validatorAddress,\n approval\n );\n }\n\n /// @dev Verifies that a hash has been signed by the given signer.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid)\n {\n require(\n signature.length > 0,\n \"LENGTH_GREATER_THAN_0_REQUIRED\"\n );\n\n // Pop last byte off of signature byte array.\n uint8 signatureTypeRaw = uint8(signature.popLastByte());\n\n // Ensure signature is supported\n require(\n signatureTypeRaw < uint8(SignatureType.NSignatureTypes),\n \"SIGNATURE_UNSUPPORTED\"\n );\n\n SignatureType signatureType = SignatureType(signatureTypeRaw);\n\n // Variables are not scoped in Solidity.\n uint8 v;\n bytes32 r;\n bytes32 s;\n address recovered;\n\n // Always illegal signature.\n // This is always an implicit option since a signer can create a\n // signature array with invalid type or length. We may as well make\n // it an explicit option. This aids testing and analysis. It is\n // also the initialization value for the enum type.\n if (signatureType == SignatureType.Illegal) {\n revert(\"SIGNATURE_ILLEGAL\");\n\n // Always invalid signature.\n // Like Illegal, this is always implicitly available and therefore\n // offered explicitly. It can be implicitly created by providing\n // a correctly formatted but incorrect signature.\n } else if (signatureType == SignatureType.Invalid) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = false;\n return isValid;\n\n // Signature using EIP712\n } else if (signatureType == SignatureType.EIP712) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n hash,\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signed using web3.eth_sign\n } else if (signatureType == SignatureType.EthSign) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n32\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Implicitly signed by caller.\n // The signer has initiated the call. In the case of non-contract\n // accounts it means the transaction itself was signed.\n // Example: let's say for a particular operation three signatures\n // A, B and C are required. To submit the transaction, A and B can\n // give a signature to C, who can then submit the transaction using\n // `Caller` for his own signature. Or A and C can sign and B can\n // submit using `Caller`. Having `Caller` allows this flexibility.\n } else if (signatureType == SignatureType.Caller) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = signerAddress == msg.sender;\n return isValid;\n\n // Signature verified by wallet contract.\n // If used with an order, the maker of the order is the wallet contract.\n } else if (signatureType == SignatureType.Wallet) {\n isValid = IWallet(signerAddress).isValidSignature(hash, signature);\n return isValid;\n\n // Signature verified by validator contract.\n // If used with an order, the maker of the order can still be an EOA.\n // A signature using this type should be encoded as:\n // | Offset | Length | Contents |\n // | 0x00 | x | Signature to validate |\n // | 0x00 + x | 20 | Address of validator contract |\n // | 0x14 + x | 1 | Signature type is always \"\\x06\" |\n } else if (signatureType == SignatureType.Validator) {\n // Pop last 20 bytes off of signature byte array.\n address validatorAddress = signature.popLast20Bytes();\n \n // Ensure signer has approved validator.\n if (!allowedValidators[signerAddress][validatorAddress]) {\n return false;\n }\n isValid = IValidator(validatorAddress).isValidSignature(\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signer signed hash previously using the preSign function.\n } else if (signatureType == SignatureType.PreSigned) {\n isValid = preSigned[hash][signerAddress];\n return isValid;\n\n // Signature from Trezor hardware wallet.\n // It differs from web3.eth_sign in the encoding of message length\n // (Bitcoin varint encoding vs ascii-decimal, the latter is not\n // self-terminating which leads to ambiguities).\n // See also:\n // https://en.bitcoin.it/wiki/Protocol_documentation#Variable_length_integer\n // https://github.com/trezor/trezor-mcu/blob/master/firmware/ethereum.c#L602\n // https://github.com/trezor/trezor-mcu/blob/master/firmware/crypto.c#L36\n } else if (signatureType == SignatureType.Trezor) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n\\x20\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n }\n\n // Anything else is illegal (We do not return false because\n // the signature may actually be valid, just not in a format\n // that we currently support. In this case returning false\n // may lead the caller to incorrectly believe that the\n // signature was invalid.)\n revert(\"SIGNATURE_UNSUPPORTED\");\n }\n}\n", + "2.0.0/protocol/Exchange/MixinTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"./libs/LibExchangeErrors.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./libs/LibEIP712.sol\";\n\n\ncontract MixinTransactions is\n LibEIP712,\n MSignatureValidator,\n MTransactions\n{\n\n // Mapping of transaction hash => executed\n // This prevents transactions from being executed more than once.\n mapping (bytes32 => bool) public transactions;\n\n // Address of current transaction signer\n address public currentContextAddress;\n\n // Hash for the EIP712 ZeroEx Transaction Schema\n bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"ZeroExTransaction(\",\n \"uint256 salt,\",\n \"address signerAddress,\",\n \"bytes data\",\n \")\"\n ));\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external\n {\n // Prevent reentrancy\n require(\n currentContextAddress == address(0),\n \"REENTRANCY_ILLEGAL\"\n );\n\n bytes32 transactionHash = hashEIP712Message(hashZeroExTransaction(\n salt,\n signerAddress,\n data\n ));\n\n // Validate transaction has not been executed\n require(\n !transactions[transactionHash],\n \"INVALID_TX_HASH\"\n );\n\n // Transaction always valid if signer is sender of transaction\n if (signerAddress != msg.sender) {\n // Validate signature\n require(\n isValidSignature(\n transactionHash,\n signerAddress,\n signature\n ),\n \"INVALID_TX_SIGNATURE\"\n );\n\n // Set the current transaction signer\n currentContextAddress = signerAddress;\n }\n\n // Execute transaction\n transactions[transactionHash] = true;\n require(\n address(this).delegatecall(data),\n \"FAILED_EXECUTION\"\n );\n\n // Reset current transaction signer if it was previously updated\n if (signerAddress != msg.sender) {\n currentContextAddress = address(0);\n }\n }\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;\n bytes32 dataHash = keccak256(data);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,\n // salt,\n // bytes32(signerAddress),\n // keccak256(data)\n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, schemaHash) // hash of schema\n mstore(add(memPtr, 32), salt) // salt\n mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff)) // signerAddress\n mstore(add(memPtr, 96), dataHash) // hash of data\n\n // Compute hash\n result := keccak256(memPtr, 128)\n }\n return result;\n }\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address)\n {\n address contextAddress = currentContextAddress == address(0) ? msg.sender : currentContextAddress;\n return contextAddress;\n }\n}\n", + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibAbiEncoder.sol\";\nimport \"./mixins/MExchangeCore.sol\";\n\n\ncontract MixinWrapperFunctions is\n LibMath,\n LibFillResults,\n LibAbiEncoder,\n MExchangeCore\n{\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n require(\n fillResults.takerAssetFilledAmount == takerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return fillResults;\n }\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n // Delegate to `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := delegatecall(\n gas, // forward all gas, TODO: look into gas consumption of assert/throw\n address, // call address of this contract\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n switch success\n case 0 {\n mstore(fillResults, 0)\n mstore(add(fillResults, 32), 0)\n mstore(add(fillResults, 64), 0)\n mstore(add(fillResults, 96), 0)\n }\n case 1 {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrder(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrKillOrder(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n \n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrder(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmount(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrder(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmount(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n cancelOrder(orders[i]);\n }\n }\n\n /// @dev Fetches information for all passed in orders.\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n LibOrder.OrderInfo[] memory ordersInfo = new LibOrder.OrderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n ordersInfo[i] = getOrderInfo(orders[i]);\n }\n return ordersInfo;\n }\n}\n", + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssetProxyDispatcher {\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external;\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./IExchangeCore.sol\";\nimport \"./IMatchOrders.sol\";\nimport \"./ISignatureValidator.sol\";\nimport \"./ITransactions.sol\";\nimport \"./IAssetProxyDispatcher.sol\";\nimport \"./IWrapperFunctions.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract IExchange is\n IExchangeCore,\n IMatchOrders,\n ISignatureValidator,\n ITransactions,\n IAssetProxyDispatcher,\n IWrapperFunctions\n{}\n", + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IExchangeCore {\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external;\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrder(LibOrder.Order memory order)\n public;\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(LibOrder.Order memory order)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IMatchOrders {\n\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ISignatureValidator {\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external;\n \n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external;\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address of signer.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\n\ncontract ITransactions {\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external;\n}\n", + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IValidator {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IWallet {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IWrapperFunctions {\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public;\n\n /// @dev Fetches information for all passed in orders\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory);\n}\n", + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./LibOrder.sol\";\n\n\ncontract LibAbiEncoder {\n\n /// @dev ABI encodes calldata for `fillOrder`.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return ABI encoded calldata for `fillOrder`.\n function abiEncodeFillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n pure\n returns (bytes memory fillOrderCalldata)\n {\n // We need to call MExchangeCore.fillOrder using a delegatecall in\n // assembly so that we can intercept a call that throws. For this, we\n // need the input encoded in memory in the Ethereum ABIv2 format [1].\n\n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0x00 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 0x00 | | 1. offset to order (*) |\n // | | 0x20 | | 2. takerAssetFillAmount |\n // | | 0x40 | | 3. offset to signature (*) |\n // | Data | | 12 * 32 | order: |\n // | | 0x000 | | 1. senderAddress |\n // | | 0x020 | | 2. makerAddress |\n // | | 0x040 | | 3. takerAddress |\n // | | 0x060 | | 4. feeRecipientAddress |\n // | | 0x080 | | 5. makerAssetAmount |\n // | | 0x0A0 | | 6. takerAssetAmount |\n // | | 0x0C0 | | 7. makerFeeAmount |\n // | | 0x0E0 | | 8. takerFeeAmount |\n // | | 0x100 | | 9. expirationTimeSeconds |\n // | | 0x120 | | 10. salt |\n // | | 0x140 | | 11. Offset to makerAssetData (*) |\n // | | 0x160 | | 12. Offset to takerAssetData (*) |\n // | | 0x180 | 32 | makerAssetData Length |\n // | | 0x1A0 | ** | makerAssetData Contents |\n // | | 0x1C0 | 32 | takerAssetData Length |\n // | | 0x1E0 | ** | takerAssetData Contents |\n // | | 0x200 | 32 | signature Length |\n // | | 0x220 | ** | signature Contents |\n\n // * Offsets are calculated from the beginning of the current area: Header, Params, Data:\n // An offset stored in the Params area is calculated from the beginning of the Params section.\n // An offset stored in the Data area is calculated from the beginning of the Data section.\n\n // ** The length of dynamic array contents are stored in the field immediately preceeding the contents.\n\n // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html\n\n assembly {\n\n // Areas below may use the following variables:\n // 1. Start -- Start of this area in memory\n // 2. End -- End of this area in memory. This value may\n // be precomputed (before writing contents),\n // or it may be computed as contents are written.\n // 3. Offset -- Current offset into area. If an area's End\n // is precomputed, this variable tracks the\n // offsets of contents as they are written.\n\n /////// Setup Header Area ///////\n // Load free memory pointer\n fillOrderCalldata := mload(0x40)\n // bytes4(keccak256(\"fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)\"))\n // = 0xb4be83d5\n // Leave 0x20 bytes to store the length\n mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000)\n let headerAreaEnd := add(fillOrderCalldata, 0x24)\n\n /////// Setup Params Area ///////\n // This area is preallocated and written to later.\n // This is because we need to fill in offsets that have not yet been calculated.\n let paramsAreaStart := headerAreaEnd\n let paramsAreaEnd := add(paramsAreaStart, 0x60)\n let paramsAreaOffset := paramsAreaStart\n\n /////// Setup Data Area ///////\n let dataAreaStart := paramsAreaEnd\n let dataAreaEnd := dataAreaStart\n\n // Offset from the source data we're reading from\n let sourceOffset := order\n // arrayLenBytes and arrayLenWords track the length of a dynamically-allocated bytes array.\n let arrayLenBytes := 0\n let arrayLenWords := 0\n\n /////// Write order Struct ///////\n // Write memory location of Order, relative to the start of the\n // parameter list, then increment the paramsAreaOffset respectively.\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n // Write values for each field in the order\n // It would be nice to use a loop, but we save on gas by writing\n // the stores sequentially.\n mstore(dataAreaEnd, mload(sourceOffset)) // makerAddress\n mstore(add(dataAreaEnd, 0x20), mload(add(sourceOffset, 0x20))) // takerAddress\n mstore(add(dataAreaEnd, 0x40), mload(add(sourceOffset, 0x40))) // feeRecipientAddress\n mstore(add(dataAreaEnd, 0x60), mload(add(sourceOffset, 0x60))) // senderAddress\n mstore(add(dataAreaEnd, 0x80), mload(add(sourceOffset, 0x80))) // makerAssetAmount\n mstore(add(dataAreaEnd, 0xA0), mload(add(sourceOffset, 0xA0))) // takerAssetAmount\n mstore(add(dataAreaEnd, 0xC0), mload(add(sourceOffset, 0xC0))) // makerFeeAmount\n mstore(add(dataAreaEnd, 0xE0), mload(add(sourceOffset, 0xE0))) // takerFeeAmount\n mstore(add(dataAreaEnd, 0x100), mload(add(sourceOffset, 0x100))) // expirationTimeSeconds\n mstore(add(dataAreaEnd, 0x120), mload(add(sourceOffset, 0x120))) // salt\n mstore(add(dataAreaEnd, 0x140), mload(add(sourceOffset, 0x140))) // Offset to makerAssetData\n mstore(add(dataAreaEnd, 0x160), mload(add(sourceOffset, 0x160))) // Offset to takerAssetData\n dataAreaEnd := add(dataAreaEnd, 0x180)\n sourceOffset := add(sourceOffset, 0x180)\n\n // Write offset to \n mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x140)) // makerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Write offset to \n mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x160)) // takerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n /////// Write takerAssetFillAmount ///////\n mstore(paramsAreaOffset, takerAssetFillAmount)\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n /////// Write signature ///////\n // Write offset to paramsArea\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n\n // Calculate length of signature\n sourceOffset := signature\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of signature\n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of signature\n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Set length of calldata\n mstore(fillOrderCalldata, sub(dataAreaEnd, add(fillOrderCalldata, 0x20)))\n\n // Increment free memory pointer\n mstore(0x40, dataAreaEnd)\n }\n\n return fillOrderCalldata;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\n// solhint-disable max-line-length\ncontract LibConstants {\n \n // Asset data for ZRX token. Used for fee transfers.\n // @TODO: Hardcode constant when we deploy. Currently \n // not constant to make testing easier.\n\n // The proxyId for ZRX_ASSET_DATA is bytes4(keccak256(\"ERC20Token(address)\")) = 0xf47261b0\n \n // Kovan ZRX address is 0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570.\n // The ABI encoded proxyId and address is 0xf47261b00000000000000000000000006ff6c0ff1d68b964901f986d4c9fa3ac68346570\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x6f\\xf6\\xc0\\xff\\x1d\\x68\\xb9\\x64\\x90\\x1f\\x98\\x6d\\x4c\\x9f\\xa3\\xac\\x68\\x34\\x65\\x70\";\n \n // Mainnet ZRX address is 0xe41d2489571d322189246dafa5ebde1f4699f498.\n // The ABI encoded proxyId and address is 0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xe4\\x1d\\x24\\x89\\x57\\x1d\\x32\\x21\\x89\\x24\\x6d\\xaf\\xa5\\xeb\\xde\\x1f\\x46\\x99\\xf4\\x98\";\n \n // solhint-disable-next-line var-name-mixedcase\n bytes public ZRX_ASSET_DATA;\n\n // @TODO: Remove when we deploy.\n constructor (bytes memory zrxAssetData)\n public\n {\n ZRX_ASSET_DATA = zrxAssetData;\n }\n}\n// solhint-enable max-line-length\n", + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract LibEIP712 {\n // EIP191 header for EIP712 prefix\n string constant internal EIP191_HEADER = \"\\x19\\x01\";\n\n // EIP712 Domain Name value\n string constant internal EIP712_DOMAIN_NAME = \"0x Protocol\";\n\n // EIP712 Domain Version value\n string constant internal EIP712_DOMAIN_VERSION = \"2\";\n\n // Hash of the EIP712 Domain Separator Schema\n bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"EIP712Domain(\",\n \"string name,\",\n \"string version,\",\n \"address verifyingContract\",\n \")\"\n ));\n\n // Hash of the EIP712 Domain Separator data\n // solhint-disable-next-line var-name-mixedcase\n bytes32 public EIP712_DOMAIN_HASH;\n\n constructor ()\n public\n {\n EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(\n EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,\n keccak256(bytes(EIP712_DOMAIN_NAME)),\n keccak256(bytes(EIP712_DOMAIN_VERSION)),\n bytes32(address(this))\n ));\n }\n\n /// @dev Calculates EIP712 encoding for a hash struct in this EIP712 Domain.\n /// @param hashStruct The EIP712 hash struct.\n /// @return EIP712 hash applied to this EIP712 Domain.\n function hashEIP712Message(bytes32 hashStruct)\n internal\n view\n returns (bytes32 result)\n {\n bytes32 eip712DomainHash = EIP712_DOMAIN_HASH;\n\n // Assembly for more efficient computing:\n // keccak256(abi.encodePacked(\n // EIP191_HEADER,\n // EIP712_DOMAIN_HASH,\n // hashStruct \n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, 0x1901000000000000000000000000000000000000000000000000000000000000) // EIP191 header\n mstore(add(memPtr, 2), eip712DomainHash) // EIP712 domain hash\n mstore(add(memPtr, 34), hashStruct) // Hash of struct\n\n // Compute hash\n result := keccak256(memPtr, 66)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity 0.4.24;\n\n\n/// @dev This contract documents the revert reasons used in the Exchange contract.\n/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons.\ncontract LibExchangeErrors {\n\n /// Order validation errors ///\n string constant ORDER_UNFILLABLE = \"ORDER_UNFILLABLE\"; // Order cannot be filled.\n string constant INVALID_MAKER = \"INVALID_MAKER\"; // Invalid makerAddress.\n string constant INVALID_TAKER = \"INVALID_TAKER\"; // Invalid takerAddress.\n string constant INVALID_SENDER = \"INVALID_SENDER\"; // Invalid `msg.sender`.\n string constant INVALID_ORDER_SIGNATURE = \"INVALID_ORDER_SIGNATURE\"; // Signature validation failed. \n \n /// fillOrder validation errors ///\n string constant INVALID_TAKER_AMOUNT = \"INVALID_TAKER_AMOUNT\"; // takerAssetFillAmount cannot equal 0.\n string constant ROUNDING_ERROR = \"ROUNDING_ERROR\"; // Rounding error greater than 0.1% of takerAssetFillAmount. \n \n /// Signature validation errors ///\n string constant INVALID_SIGNATURE = \"INVALID_SIGNATURE\"; // Signature validation failed. \n string constant SIGNATURE_ILLEGAL = \"SIGNATURE_ILLEGAL\"; // Signature type is illegal.\n string constant SIGNATURE_UNSUPPORTED = \"SIGNATURE_UNSUPPORTED\"; // Signature type unsupported.\n \n /// cancelOrdersUptTo errors ///\n string constant INVALID_NEW_ORDER_EPOCH = \"INVALID_NEW_ORDER_EPOCH\"; // Specified salt must be greater than or equal to existing orderEpoch.\n\n /// fillOrKillOrder errors ///\n string constant COMPLETE_FILL_FAILED = \"COMPLETE_FILL_FAILED\"; // Desired takerAssetFillAmount could not be completely filled. \n\n /// matchOrders errors ///\n string constant NEGATIVE_SPREAD_REQUIRED = \"NEGATIVE_SPREAD_REQUIRED\"; // Matched orders must have a negative spread.\n\n /// Transaction errors ///\n string constant REENTRANCY_ILLEGAL = \"REENTRANCY_ILLEGAL\"; // Recursive reentrancy is not allowed. \n string constant INVALID_TX_HASH = \"INVALID_TX_HASH\"; // Transaction has already been executed. \n string constant INVALID_TX_SIGNATURE = \"INVALID_TX_SIGNATURE\"; // Signature validation failed. \n string constant FAILED_EXECUTION = \"FAILED_EXECUTION\"; // Transaction execution failed. \n \n /// registerAssetProxy errors ///\n string constant ASSET_PROXY_ALREADY_EXISTS = \"ASSET_PROXY_ALREADY_EXISTS\"; // AssetProxy with same id already exists.\n\n /// dispatchTransferFrom errors ///\n string constant ASSET_PROXY_DOES_NOT_EXIST = \"ASSET_PROXY_DOES_NOT_EXIST\"; // No assetProxy registered at given id.\n string constant TRANSFER_FAILED = \"TRANSFER_FAILED\"; // Asset transfer unsuccesful.\n\n /// Length validation errors ///\n string constant LENGTH_GREATER_THAN_0_REQUIRED = \"LENGTH_GREATER_THAN_0_REQUIRED\"; // Byte array must have a length greater than 0.\n string constant LENGTH_GREATER_THAN_3_REQUIRED = \"LENGTH_GREATER_THAN_3_REQUIRED\"; // Byte array must have a length greater than 3.\n string constant LENGTH_0_REQUIRED = \"LENGTH_0_REQUIRED\"; // Byte array must have a length of 0.\n string constant LENGTH_65_REQUIRED = \"LENGTH_65_REQUIRED\"; // Byte array must have a length of 65.\n}\n", + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibFillResults is\n SafeMath\n{\n\n struct FillResults {\n uint256 makerAssetFilledAmount; // Total amount of makerAsset(s) filled.\n uint256 takerAssetFilledAmount; // Total amount of takerAsset(s) filled.\n uint256 makerFeePaid; // Total amount of ZRX paid by maker(s) to feeRecipient(s).\n uint256 takerFeePaid; // Total amount of ZRX paid by taker to feeRecipients(s).\n }\n\n struct MatchedFillResults {\n FillResults left; // Amounts filled and fees paid of left order.\n FillResults right; // Amounts filled and fees paid of right order.\n uint256 leftMakerAssetSpreadAmount; // Spread between price of left and right order, denominated in the left order's makerAsset, paid to taker.\n }\n\n /// @dev Adds properties of both FillResults instances.\n /// Modifies the first FillResults instance specified.\n /// @param totalFillResults Fill results instance that will be added onto.\n /// @param singleFillResults Fill results instance that will be added to totalFillResults.\n function addFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)\n internal\n pure\n {\n totalFillResults.makerAssetFilledAmount = safeAdd(totalFillResults.makerAssetFilledAmount, singleFillResults.makerAssetFilledAmount);\n totalFillResults.takerAssetFilledAmount = safeAdd(totalFillResults.takerAssetFilledAmount, singleFillResults.takerAssetFilledAmount);\n totalFillResults.makerFeePaid = safeAdd(totalFillResults.makerFeePaid, singleFillResults.makerFeePaid);\n totalFillResults.takerFeePaid = safeAdd(totalFillResults.takerFeePaid, singleFillResults.takerFeePaid);\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibMath.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibMath is\n SafeMath\n{\n\n /// @dev Calculates partial value given a numerator and denominator.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target.\n function getPartialAmount(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Checks if rounding error > 0.1%.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingError(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n uint256 remainder = mulmod(target, numerator, denominator);\n if (remainder == 0) {\n return false; // No rounding error.\n }\n\n uint256 errPercentageTimes1000000 = safeDiv(\n safeMul(remainder, 1000000),\n safeMul(numerator, target)\n );\n isError = errPercentageTimes1000000 > 1000;\n return isError;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibOrder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./LibEIP712.sol\";\n\n\ncontract LibOrder is\n LibEIP712\n{\n\n // Hash for the EIP712 Order Schema\n bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"Order(\",\n \"address makerAddress,\",\n \"address takerAddress,\",\n \"address feeRecipientAddress,\",\n \"address senderAddress,\",\n \"uint256 makerAssetAmount,\",\n \"uint256 takerAssetAmount,\",\n \"uint256 makerFee,\",\n \"uint256 takerFee,\",\n \"uint256 expirationTimeSeconds,\",\n \"uint256 salt,\",\n \"bytes makerAssetData,\",\n \"bytes takerAssetData\",\n \")\"\n ));\n\n // A valid order remains fillable until it is expired, fully filled, or cancelled.\n // An order's state is unaffected by external factors, like account balances.\n enum OrderStatus {\n INVALID, // Default value\n INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount\n INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount\n FILLABLE, // Order is fillable\n EXPIRED, // Order has already expired\n FULLY_FILLED, // Order is fully filled\n CANCELLED // Order has been cancelled\n }\n\n // solhint-disable max-line-length\n struct Order {\n address makerAddress; // Address that created the order. \n address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order. \n address feeRecipientAddress; // Address that will recieve fees when order is filled. \n address senderAddress; // Address that is allowed to call Exchange contract methods that affect this order. If set to 0, any address is allowed to call these methods.\n uint256 makerAssetAmount; // Amount of makerAsset being offered by maker. Must be greater than 0. \n uint256 takerAssetAmount; // Amount of takerAsset being bid on by maker. Must be greater than 0. \n uint256 makerFee; // Amount of ZRX paid to feeRecipient by maker when order is filled. If set to 0, no transfer of ZRX from maker to feeRecipient will be attempted.\n uint256 takerFee; // Amount of ZRX paid to feeRecipient by taker when order is filled. If set to 0, no transfer of ZRX from taker to feeRecipient will be attempted.\n uint256 expirationTimeSeconds; // Timestamp in seconds at which order expires. \n uint256 salt; // Arbitrary number to facilitate uniqueness of the order's hash. \n bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.\n bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.\n }\n // solhint-enable max-line-length\n\n struct OrderInfo {\n uint8 orderStatus; // Status that describes order's validity and fillability.\n bytes32 orderHash; // EIP712 hash of the order (see LibOrder.getOrderHash).\n uint256 orderTakerAssetFilledAmount; // Amount of order that has already been filled.\n }\n\n /// @dev Calculates Keccak-256 hash of the order.\n /// @param order The order structure.\n /// @return Keccak-256 EIP712 hash of the order.\n function getOrderHash(Order memory order)\n internal\n view\n returns (bytes32 orderHash)\n {\n orderHash = hashEIP712Message(hashOrder(order));\n return orderHash;\n }\n\n /// @dev Calculates EIP712 hash of the order.\n /// @param order The order structure.\n /// @return EIP712 hash of the order.\n function hashOrder(Order memory order)\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ORDER_SCHEMA_HASH;\n bytes32 makerAssetDataHash = keccak256(order.makerAssetData);\n bytes32 takerAssetDataHash = keccak256(order.takerAssetData);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ORDER_SCHEMA_HASH,\n // bytes32(order.makerAddress),\n // bytes32(order.takerAddress),\n // bytes32(order.feeRecipientAddress),\n // bytes32(order.senderAddress),\n // order.makerAssetAmount,\n // order.takerAssetAmount,\n // order.makerFee,\n // order.takerFee,\n // order.expirationTimeSeconds,\n // order.salt,\n // keccak256(order.makerAssetData),\n // keccak256(order.takerAssetData)\n // ));\n\n assembly {\n // Calculate memory addresses that will be swapped out before hashing\n let pos1 := sub(order, 32)\n let pos2 := add(order, 320)\n let pos3 := add(order, 352)\n\n // Backup\n let temp1 := mload(pos1)\n let temp2 := mload(pos2)\n let temp3 := mload(pos3)\n \n // Hash in place\n mstore(pos1, schemaHash)\n mstore(pos2, makerAssetDataHash)\n mstore(pos3, takerAssetDataHash)\n result := keccak256(pos1, 416)\n \n // Restore\n mstore(pos1, temp1)\n mstore(pos2, temp2)\n mstore(pos3, temp3)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssetProxyDispatcher.sol\";\n\n\ncontract MAssetProxyDispatcher is\n IAssetProxyDispatcher\n{\n\n // Logs registration of new asset proxy\n event AssetProxyRegistered(\n bytes4 id, // Id of new registered AssetProxy.\n address assetProxy // Address of new registered AssetProxy.\n );\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IExchangeCore.sol\";\n\n\ncontract MExchangeCore is\n IExchangeCore\n{\n // Fill event is emitted whenever an order is filled.\n event Fill(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that received fees.\n address takerAddress, // Address that filled the order.\n address senderAddress, // Address that called the Exchange contract (msg.sender).\n uint256 makerAssetFilledAmount, // Amount of makerAsset sold by maker and bought by taker. \n uint256 takerAssetFilledAmount, // Amount of takerAsset sold by taker and bought by maker.\n uint256 makerFeePaid, // Amount of ZRX paid to feeRecipient by maker.\n uint256 takerFeePaid, // Amount of ZRX paid to feeRecipient by taker.\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // Cancel event is emitted whenever an individual order is cancelled.\n event Cancel(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that would have recieved fees if order was filled. \n address senderAddress, // Address that called the Exchange contract (msg.sender).\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // CancelUpTo event is emitted whenever `cancelOrdersUpTo` is executed succesfully.\n event CancelUpTo(\n address indexed makerAddress, // Orders cancelled must have been created by this address.\n address indexed senderAddress, // Orders cancelled must have a `senderAddress` equal to this address.\n uint256 orderEpoch // Orders with specified makerAddress and senderAddress with a salt less than this value are considered cancelled.\n );\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function updateFilledState(\n LibOrder.Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n LibFillResults.FillResults memory fillResults\n )\n internal;\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n LibOrder.Order memory order,\n bytes32 orderHash\n )\n internal;\n\n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo Status, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param signature Proof that the orders was created by its maker.\n function assertValidFill(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n address takerAddress,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n bytes memory signature\n )\n internal\n view;\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo\n )\n internal\n view;\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n LibOrder.Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.FillResults memory fillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IMatchOrders.sol\";\n\n\ncontract MMatchOrders is\n IMatchOrders\n{\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure;\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/ISignatureValidator.sol\";\n\n\ncontract MSignatureValidator is\n ISignatureValidator\n{\n event SignatureValidatorApproval(\n address indexed signerAddress, // Address that approves or disapproves a contract to verify signatures.\n address indexed validatorAddress, // Address of signature validator contract.\n bool approved // Approval or disapproval of validator contract.\n );\n\n // Allowed signature types.\n enum SignatureType {\n Illegal, // 0x00, default value\n Invalid, // 0x01\n EIP712, // 0x02\n EthSign, // 0x03\n Caller, // 0x04\n Wallet, // 0x05\n Validator, // 0x06\n PreSigned, // 0x07\n Trezor, // 0x08\n NSignatureTypes // 0x09, number of signature types. Always leave at end.\n }\n}\n", + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"../interfaces/ITransactions.sol\";\n\n\ncontract MTransactions is\n ITransactions\n{\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address);\n}\n", + "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/MintableERC20Token.sol\";\n\n\ncontract DummyERC20Token is \n Ownable,\n MintableERC20Token\n{\n string public name;\n string public symbol;\n uint256 public decimals;\n uint256 public constant MAX_MINT_AMOUNT = 10000000000000000000000;\n\n constructor (\n string _name,\n string _symbol,\n uint256 _decimals,\n uint256 _totalSupply\n )\n public\n {\n name = _name;\n symbol = _symbol;\n decimals = _decimals;\n _totalSupply = _totalSupply;\n balances[msg.sender] = _totalSupply;\n }\n\n /// @dev Sets the balance of target address\n /// @param _target Address or which balance will be updated\n /// @param _value New balance of target address\n function setBalance(address _target, uint256 _value)\n external\n onlyOwner\n {\n uint256 currBalance = balances[_target];\n if (_value < currBalance) {\n _totalSupply = safeSub(_totalSupply, safeSub(currBalance, _value));\n } else {\n _totalSupply = safeAdd(_totalSupply, safeSub(_value, currBalance));\n }\n balances[_target] = _value;\n }\n\n /// @dev Mints new tokens for sender\n /// @param _value Amount of tokens to mint\n function mint(uint256 _value)\n external\n {\n require(\n _value <= MAX_MINT_AMOUNT,\n \"VALUE_TOO_LARGE\"\n );\n\n _mint(msg.sender, _value);\n }\n}\n", + "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../tokens/ERC721Token/MintableERC721Token.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract DummyERC721Token is\n Ownable,\n MintableERC721Token\n{\n string public name;\n string public symbol;\n\n constructor (\n string _name,\n string _symbol\n )\n public\n {\n name = _name;\n symbol = _symbol;\n }\n\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function mint(address _to, uint256 _tokenId)\n external\n {\n _mint(_to, _tokenId);\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist or not called by contract owner\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function burn(address _owner, uint256 _tokenId)\n external\n onlyOwner\n {\n _burn(_owner, _tokenId);\n }\n}\n", + "2.0.0/tokens/ERC20Token/ERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC20Token.sol\";\n\n\ncontract ERC20Token is\n IERC20Token\n{\n\n mapping (address => uint256) internal balances;\n mapping (address => mapping (address => uint256)) internal allowed;\n\n uint256 internal _totalSupply;\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool)\n {\n require(\n balances[msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[msg.sender] -= _value;\n balances[_to] += _value;\n\n emit Transfer(\n msg.sender,\n _to,\n _value\n );\n\n return true;\n }\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowed[_from][msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n allowed[_from][msg.sender] -= _value;\n \n emit Transfer(\n _from,\n _to,\n _value\n );\n \n return true;\n }\n\n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool)\n {\n allowed[msg.sender][_spender] = _value;\n emit Approval(\n msg.sender,\n _spender,\n _value\n );\n return true;\n }\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256)\n {\n return _totalSupply;\n }\n\n /// @dev Query the balance of owner\n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n return balances[_owner];\n }\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256)\n {\n return allowed[_owner][_spender];\n }\n}\n", + "2.0.0/tokens/ERC20Token/IERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n \n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n \n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", + "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/SafeMath/SafeMath.sol\";\nimport \"./UnlimitedAllowanceERC20Token.sol\";\n\n\ncontract MintableERC20Token is \n SafeMath,\n UnlimitedAllowanceERC20Token\n{\n\n /// @dev Mints new tokens\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _value Amount of tokens to mint\n function _mint(address _to, uint256 _value)\n internal\n {\n balances[_to] = safeAdd(_value, balances[_to]);\n _totalSupply = safeAdd(_totalSupply, _value);\n\n emit Transfer(\n address(0),\n _to,\n _value\n );\n }\n\n /// @dev Mints new tokens\n /// @param _owner Owner of tokens that will be burned\n /// @param _value Amount of tokens to burn\n function _burn(address _owner, uint256 _value)\n internal\n {\n balances[_owner] = safeSub(balances[_owner], _value);\n _totalSupply = safeSub(_totalSupply, _value);\n\n emit Transfer(\n _owner,\n address(0),\n _value\n );\n }\n}\n", + "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/ERC20Token.sol\";\n\n\ncontract UnlimitedAllowanceERC20Token is\n ERC20Token\n{\n\n uint256 constant internal MAX_UINT = 2**256 - 1;\n\n /// @dev ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited allowance. See https://github.com/ethereum/EIPs/issues/717\n /// @param _from Address to transfer from.\n /// @param _to Address to transfer to.\n /// @param _value Amount to transfer.\n /// @return Success of transfer.\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n uint256 allowance = allowed[_from][msg.sender];\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowance >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n if (allowance < MAX_UINT) {\n allowed[_from][msg.sender] -= _value;\n }\n\n emit Transfer(\n _from,\n _to,\n _value\n );\n\n return true;\n }\n}\n", + "2.0.0/tokens/ERC721Token/ERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC721Token.sol\";\nimport \"./IERC721Receiver.sol\";\nimport \"../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract ERC721Token is\n IERC721Token,\n SafeMath\n{\n // Function selector for ERC721Receiver.onERC721Received\n // 0x150b7a02\n bytes4 constant internal ERC721_RECEIVED = bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"));\n\n // Mapping of tokenId => owner\n mapping (uint256 => address) internal owners;\n\n // Mapping of tokenId => approved address\n mapping (uint256 => address) internal approvals;\n\n // Mapping of owner => number of tokens owned\n mapping (address => uint256) internal balances;\n\n // Mapping of owner => operator => approved\n mapping (address => mapping (address => bool)) internal operatorApprovals;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n _data\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n \"\"\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external\n {\n address owner = ownerOf(_tokenId);\n require(\n msg.sender == owner || isApprovedForAll(owner, msg.sender),\n \"ERC721_INVALID_SENDER\"\n );\n\n approvals[_tokenId] = _approved;\n emit Approval(\n owner,\n _approved,\n _tokenId\n );\n }\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external\n {\n operatorApprovals[msg.sender][_operator] = _approved;\n emit ApprovalForAll(\n msg.sender,\n _operator,\n _approved\n );\n }\n \n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return balances[_owner];\n }\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = ownerOf(_tokenId);\n require(\n _from == owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n address spender = msg.sender;\n address approvedAddress = getApproved(_tokenId);\n require(\n spender == owner ||\n isApprovedForAll(owner, spender) ||\n approvedAddress == spender,\n \"ERC721_INVALID_SPENDER\"\n );\n\n if (approvedAddress != address(0)) {\n approvals[_tokenId] = address(0);\n }\n\n owners[_tokenId] = _to;\n balances[_from] = safeSub(balances[_from], 1);\n balances[_to] = safeAdd(balances[_to], 1);\n \n emit Transfer(\n _from,\n _to,\n _tokenId\n );\n }\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address)\n {\n address owner = owners[_tokenId];\n require(\n owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return owner;\n }\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId)\n public\n view\n returns (address)\n {\n return approvals[_tokenId];\n }\n\n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool)\n {\n return operatorApprovals[_owner][_operator];\n }\n}\n", + "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Receiver {\n\n /// @notice Handle the receipt of an NFT\n /// @dev The ERC721 smart contract calls this function on the recipient\n /// after a `transfer`. This function MAY throw to revert and reject the\n /// transfer. Return of other than the magic value MUST result in the\n /// transaction being reverted.\n /// Note: the contract address is always the message sender.\n /// @param _operator The address which called `safeTransferFrom` function\n /// @param _from The address which previously owned the token\n /// @param _tokenId The NFT identifier which is being transferred\n /// @param _data Additional data with no specified format\n /// @return `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`\n /// unless throwing\n function onERC721Received(\n address _operator,\n address _from,\n uint256 _tokenId,\n bytes _data\n )\n external\n returns (bytes4);\n}\n", + "2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Token {\n\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(\n address indexed _owner,\n address indexed _approved,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(\n address indexed _owner,\n address indexed _operator,\n bool _approved\n );\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// perator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external;\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public;\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address);\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) \n public\n view\n returns (address);\n \n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool);\n}\n", + "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./ERC721Token.sol\";\n\n\ncontract MintableERC721Token is\n ERC721Token\n{\n\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function _mint(address _to, uint256 _tokenId)\n internal\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == address(0),\n \"ERC721_OWNER_ALREADY_EXISTS\"\n );\n\n owners[_tokenId] = _to;\n balances[_to] = safeAdd(balances[_to], 1);\n\n emit Transfer(\n address(0),\n _to,\n _tokenId\n );\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function _burn(address _owner, uint256 _tokenId)\n internal\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == _owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n owners[_tokenId] = address(0);\n balances[_owner] = safeSub(balances[_owner], 1);\n\n emit Transfer(\n _owner,\n address(0),\n _tokenId\n );\n }\n}\n", + "2.0.0/tokens/EtherToken/IEtherToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/IERC20Token.sol\";\n\n\ncontract IEtherToken is\n IERC20Token\n{\n function deposit()\n public\n payable;\n \n function withdraw(uint256 amount)\n public;\n}\n", + "2.0.0/utils/LibBytes/LibBytes.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\nlibrary LibBytes {\n\n using LibBytes for bytes;\n\n /// @dev Gets the memory address for a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of byte array. This\n /// points to the header of the byte array which contains\n /// the length.\n function rawAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := input\n }\n return memoryAddress;\n }\n \n /// @dev Gets the memory address for the contents of a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of the contents of the byte array.\n function contentAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := add(input, 32)\n }\n return memoryAddress;\n }\n\n /// @dev Copies `length` bytes from memory location `source` to `dest`.\n /// @param dest memory address to copy bytes to.\n /// @param source memory address to copy bytes from.\n /// @param length number of bytes to copy.\n function memCopy(\n uint256 dest,\n uint256 source,\n uint256 length\n )\n internal\n pure\n {\n if (length < 32) {\n // Handle a partial word by reading destination and masking\n // off the bits we are interested in.\n // This correctly handles overlap, zero lengths and source == dest\n assembly {\n let mask := sub(exp(256, sub(32, length)), 1)\n let s := and(mload(source), not(mask))\n let d := and(mload(dest), mask)\n mstore(dest, or(s, d))\n }\n } else {\n // Skip the O(length) loop when source == dest.\n if (source == dest) {\n return;\n }\n\n // For large copies we copy whole words at a time. The final\n // word is aligned to the end of the range (instead of after the\n // previous) to handle partial words. So a copy will look like this:\n //\n // ####\n // ####\n // ####\n // ####\n //\n // We handle overlap in the source and destination range by\n // changing the copying direction. This prevents us from\n // overwriting parts of source that we still need to copy.\n //\n // This correctly handles source == dest\n //\n if (source > dest) {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because it\n // is easier to compare with in the loop, and these\n // are also the addresses we need for copying the\n // last bytes.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the last 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the last bytes in\n // source already due to overlap.\n let last := mload(sEnd)\n\n // Copy whole words front to back\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} lt(source, sEnd) {} {\n mstore(dest, mload(source))\n source := add(source, 32)\n dest := add(dest, 32)\n }\n \n // Write the last 32 bytes\n mstore(dEnd, last)\n }\n } else {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because those\n // are the starting points when copying a word at the end.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the first 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the first bytes in\n // source already due to overlap.\n let first := mload(source)\n\n // Copy whole words back to front\n // We use a signed comparisson here to allow dEnd to become\n // negative (happens when source and dest < 32). Valid\n // addresses in local memory will never be larger than\n // 2**255, so they can be safely re-interpreted as signed.\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} slt(dest, dEnd) {} {\n mstore(dEnd, mload(sEnd))\n sEnd := sub(sEnd, 32)\n dEnd := sub(dEnd, 32)\n }\n \n // Write the first 32 bytes\n mstore(dest, first)\n }\n }\n }\n }\n\n /// @dev Returns a slices from a byte array.\n /// @param b The byte array to take a slice from.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n function slice(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure and copy contents\n result = new bytes(to - from);\n memCopy(\n result.contentAddress(),\n b.contentAddress() + from,\n result.length);\n return result;\n }\n \n /// @dev Returns a slice from a byte array without preserving the input.\n /// @param b The byte array to take a slice from. Will be destroyed in the process.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n /// @dev When `from == 0`, the original array will match the slice. In other cases its state will be corrupted.\n function sliceDestructive(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure around [from, to) in-place.\n assembly {\n result := add(b, from)\n mstore(result, sub(to, from))\n }\n return result;\n }\n\n /// @dev Pops the last byte off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The byte that was popped off.\n function popLastByte(bytes memory b)\n internal\n pure\n returns (bytes1 result)\n {\n require(\n b.length > 0,\n \"GREATER_THAN_ZERO_LENGTH_REQUIRED\"\n );\n\n // Store last byte.\n result = b[b.length - 1];\n\n assembly {\n // Decrement length of byte array.\n let newLen := sub(mload(b), 1)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Pops the last 20 bytes off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The 20 byte address that was popped off.\n function popLast20Bytes(bytes memory b)\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= 20,\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Store last 20 bytes.\n result = readAddress(b, b.length - 20);\n\n assembly {\n // Subtract 20 from byte array length.\n let newLen := sub(mload(b), 20)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Tests equality of two byte arrays.\n /// @param lhs First byte array to compare.\n /// @param rhs Second byte array to compare.\n /// @return True if arrays are the same. False otherwise.\n function equals(\n bytes memory lhs,\n bytes memory rhs\n )\n internal\n pure\n returns (bool equal)\n {\n // Keccak gas cost is 30 + numWords * 6. This is a cheap way to compare.\n // We early exit on unequal lengths, but keccak would also correctly\n // handle this.\n return lhs.length == rhs.length && keccak256(lhs) == keccak256(rhs);\n }\n\n /// @dev Reads an address from a position in a byte array.\n /// @param b Byte array containing an address.\n /// @param index Index in byte array of address.\n /// @return address from byte array.\n function readAddress(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Read address from array memory\n assembly {\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 20-byte mask to obtain address\n result := and(mload(add(b, index)), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n return result;\n }\n\n /// @dev Writes an address into a specific position in a byte array.\n /// @param b Byte array to insert address into.\n /// @param index Index in byte array of address.\n /// @param input Address to put into byte array.\n function writeAddress(\n bytes memory b,\n uint256 index,\n address input\n )\n internal\n pure\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Store address into array memory\n assembly {\n // The address occupies 20 bytes and mstore stores 32 bytes.\n // First fetch the 32-byte word where we'll be storing the address, then\n // apply a mask so we have only the bytes in the word that the address will not occupy.\n // Then combine these bytes with the address and store the 32 bytes back to memory with mstore.\n\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 12-byte mask to obtain extra bytes occupying word of memory where we'll store the address\n let neighbors := and(\n mload(add(b, index)),\n 0xffffffffffffffffffffffff0000000000000000000000000000000000000000\n )\n \n // Make sure input address is clean.\n // (Solidity does not guarantee this)\n input := and(input, 0xffffffffffffffffffffffffffffffffffffffff)\n\n // Store the neighbors and address into memory\n mstore(add(b, index), xor(input, neighbors))\n }\n }\n\n /// @dev Reads a bytes32 value from a position in a byte array.\n /// @param b Byte array containing a bytes32 value.\n /// @param index Index in byte array of bytes32 value.\n /// @return bytes32 value from byte array.\n function readBytes32(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes32 result)\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n result := mload(add(b, index))\n }\n return result;\n }\n\n /// @dev Writes a bytes32 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes32 to put into byte array.\n function writeBytes32(\n bytes memory b,\n uint256 index,\n bytes32 input\n )\n internal\n pure\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n mstore(add(b, index), input)\n }\n }\n\n /// @dev Reads a uint256 value from a position in a byte array.\n /// @param b Byte array containing a uint256 value.\n /// @param index Index in byte array of uint256 value.\n /// @return uint256 value from byte array.\n function readUint256(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (uint256 result)\n {\n return uint256(readBytes32(b, index));\n }\n\n /// @dev Writes a uint256 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input uint256 to put into byte array.\n function writeUint256(\n bytes memory b,\n uint256 index,\n uint256 input\n )\n internal\n pure\n {\n writeBytes32(b, index, bytes32(input));\n }\n\n /// @dev Reads an unpadded bytes4 value from a position in a byte array.\n /// @param b Byte array containing a bytes4 value.\n /// @param index Index in byte array of bytes4 value.\n /// @return bytes4 value from byte array.\n function readBytes4(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes4 result)\n {\n require(\n b.length >= index + 4,\n \"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED\"\n );\n assembly {\n result := mload(add(b, 32))\n // Solidity does not require us to clean the trailing bytes.\n // We do it anyway\n result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)\n }\n return result;\n }\n\n /// @dev Reads nested bytes from a specific position.\n /// @dev NOTE: the returned value overlaps with the input value.\n /// Both should be treated as immutable.\n /// @param b Byte array containing nested bytes.\n /// @param index Index of nested bytes.\n /// @return result Nested bytes.\n function readBytesWithLength(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes memory result)\n {\n // Read length of nested bytes\n uint256 nestedBytesLength = readUint256(b, index);\n index += 32;\n\n // Assert length of is valid, given\n // length of nested bytes\n require(\n b.length >= index + nestedBytesLength,\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n \n // Return a pointer to the byte array as it exists inside `b`\n assembly {\n result := add(b, index)\n }\n return result;\n }\n\n /// @dev Inserts bytes at a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes to insert.\n function writeBytesWithLength(\n bytes memory b,\n uint256 index,\n bytes memory input\n )\n internal\n pure\n {\n // Assert length of is valid, given\n // length of input\n require(\n b.length >= index + 32 + input.length, // 32 bytes to store length\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n\n // Copy into \n memCopy(\n b.contentAddress() + index,\n input.rawAddress(), // includes length of \n input.length + 32 // +32 bytes to store length\n );\n }\n\n /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length.\n /// @param dest Byte array that will be overwritten with source bytes.\n /// @param source Byte array to copy onto dest bytes.\n function deepCopyBytes(\n bytes memory dest,\n bytes memory source\n )\n internal\n pure\n {\n uint256 sourceLen = source.length;\n // Dest length must be >= source length, or some bytes would not be copied.\n require(\n dest.length >= sourceLen,\n \"GREATER_OR_EQUAL_TO_SOURCE_BYTES_LENGTH_REQUIRED\"\n );\n memCopy(\n dest.contentAddress(),\n source.contentAddress(),\n sourceLen\n );\n }\n}\n", + "2.0.0/utils/Ownable/IOwnable.sol": "pragma solidity 0.4.24;\n\n/*\n * Ownable\n *\n * Base contract with an owner.\n * Provides onlyOwner modifier, which prevents function from running if it is called by anyone other than the owner.\n */\n\ncontract IOwnable {\n function transferOwnership(address newOwner)\n public;\n}\n", + "2.0.0/utils/Ownable/Ownable.sol": "pragma solidity 0.4.24;\n\n/*\n * Ownable\n *\n * Base contract with an owner.\n * Provides onlyOwner modifier, which prevents function from running if it is called by anyone other than the owner.\n */\n\nimport \"./IOwnable.sol\";\n\n\ncontract Ownable is IOwnable {\n address public owner;\n\n constructor ()\n public\n {\n owner = msg.sender;\n }\n\n modifier onlyOwner() {\n require(\n msg.sender == owner,\n \"ONLY_CONTRACT_OWNER\"\n );\n _;\n }\n\n function transferOwnership(address newOwner)\n public\n onlyOwner\n {\n if (newOwner != address(0)) {\n owner = newOwner;\n }\n }\n}\n", + "2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n function safeMul(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(\n c / a == b,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function safeDiv(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a / b;\n return c;\n }\n\n function safeSub(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n require(\n b <= a,\n \"UINT256_UNDERFLOW\"\n );\n return a - b;\n }\n\n function safeAdd(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a + b;\n require(\n c >= a,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function max64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n\n function max256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n}\n" + }, + "sourceTreeHashHex": "0x560b257f8a4e1420a4586d5ba0c40e74042ef5af0f53aad412951444ea710a7e", + "compiler": { + "name": "solc", + "version": "soljson-v0.4.24+commit.e67f0147.js", + "settings": { + "optimizer": { + "enabled": true, + "runs": 1000000 + }, + "outputSelection": { + "*": { + "*": [ + "abi", + "evm.bytecode.object", + "evm.bytecode.sourceMap", + "evm.deployedBytecode.object", + "evm.deployedBytecode.sourceMap" + ] + } + } + } + }, + "networks": {} +} \ No newline at end of file diff --git a/packages/migrations/artifacts/2.0.0-mainnet/IWallet.json b/packages/migrations/artifacts/2.0.0-mainnet/IWallet.json new file mode 100644 index 000000000..df892d360 --- /dev/null +++ b/packages/migrations/artifacts/2.0.0-mainnet/IWallet.json @@ -0,0 +1,316 @@ +{ + "schemaVersion": "2.0.0", + "contractName": "IWallet", + "compilerOutput": { + "abi": [ + { + "constant": true, + "inputs": [ + { + "name": "hash", + "type": "bytes32" + }, + { + "name": "signature", + "type": "bytes" + } + ], + "name": "isValidSignature", + "outputs": [ + { + "name": "isValid", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + } + ], + "evm": { + "bytecode": { + "linkReferences": {}, + "object": "0x", + "opcodes": "", + "sourceMap": "" + }, + "deployedBytecode": { + "linkReferences": {}, + "object": "0x", + "opcodes": "", + "sourceMap": "" + } + } + }, + "sources": { + "2.0.0/extensions/Forwarder/Forwarder.sol": { + "id": 0 + }, + "2.0.0/extensions/Forwarder/MixinAssets.sol": { + "id": 1 + }, + "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": { + "id": 2 + }, + "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": { + "id": 3 + }, + "2.0.0/extensions/Forwarder/MixinWeth.sol": { + "id": 4 + }, + "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": { + "id": 5 + }, + "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": { + "id": 6 + }, + "2.0.0/extensions/Forwarder/libs/LibConstants.sol": { + "id": 7 + }, + "2.0.0/extensions/Forwarder/mixins/MAssets.sol": { + "id": 8 + }, + "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": { + "id": 9 + }, + "2.0.0/extensions/Forwarder/mixins/MWeth.sol": { + "id": 10 + }, + "2.0.0/extensions/OrderValidator/OrderValidator.sol": { + "id": 11 + }, + "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": { + "id": 12 + }, + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": { + "id": 13 + }, + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": { + "id": 14 + }, + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": { + "id": 15 + }, + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": { + "id": 16 + }, + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": { + "id": 17 + }, + "2.0.0/protocol/Exchange/Exchange.sol": { + "id": 18 + }, + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": { + "id": 19 + }, + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": { + "id": 20 + }, + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": { + "id": 21 + }, + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": { + "id": 22 + }, + "2.0.0/protocol/Exchange/MixinTransactions.sol": { + "id": 23 + }, + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": { + "id": 24 + }, + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": { + "id": 25 + }, + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": { + "id": 26 + }, + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": { + "id": 27 + }, + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": { + "id": 28 + }, + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": { + "id": 29 + }, + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": { + "id": 30 + }, + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": { + "id": 31 + }, + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": { + "id": 32 + }, + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": { + "id": 33 + }, + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": { + "id": 34 + }, + "2.0.0/protocol/Exchange/libs/LibConstants.sol": { + "id": 35 + }, + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": { + "id": 36 + }, + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": { + "id": 37 + }, + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": { + "id": 38 + }, + "2.0.0/protocol/Exchange/libs/LibMath.sol": { + "id": 39 + }, + "2.0.0/protocol/Exchange/libs/LibOrder.sol": { + "id": 40 + }, + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": { + "id": 41 + }, + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": { + "id": 42 + }, + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": { + "id": 43 + }, + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": { + "id": 44 + }, + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": { + "id": 45 + }, + "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": { + "id": 46 + }, + "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": { + "id": 47 + }, + "2.0.0/tokens/ERC20Token/ERC20Token.sol": { + "id": 48 + }, + "2.0.0/tokens/ERC20Token/IERC20Token.sol": { + "id": 49 + }, + "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": { + "id": 50 + }, + "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": { + "id": 51 + }, + "2.0.0/tokens/ERC721Token/ERC721Token.sol": { + "id": 52 + }, + "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": { + "id": 53 + }, + "2.0.0/tokens/ERC721Token/IERC721Token.sol": { + "id": 54 + }, + "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": { + "id": 55 + }, + "2.0.0/tokens/EtherToken/IEtherToken.sol": { + "id": 56 + }, + "2.0.0/utils/LibBytes/LibBytes.sol": { + "id": 57 + }, + "2.0.0/utils/Ownable/IOwnable.sol": { + "id": 58 + }, + "2.0.0/utils/Ownable/Ownable.sol": { + "id": 59 + }, + "2.0.0/utils/SafeMath/SafeMath.sol": { + "id": 60 + } + }, + "sourceCodes": { + "2.0.0/extensions/Forwarder/Forwarder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinWeth.sol\";\nimport \"./MixinForwarderCore.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinAssets.sol\";\nimport \"./MixinExchangeWrapper.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Forwarder is\n LibConstants,\n MixinWeth,\n MixinAssets,\n MixinExchangeWrapper,\n MixinForwarderCore\n{\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n LibConstants(\n _exchange,\n _zrxAssetData,\n _wethAssetData\n )\n MixinForwarderCore()\n {}\n}\n", + "2.0.0/extensions/Forwarder/MixinAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MAssets.sol\";\n\n\ncontract MixinAssets is\n Ownable,\n LibConstants,\n MAssets\n{\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256(\"transfer(address,uint256)\"));\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external\n onlyOwner\n {\n transferAssetToSender(assetData, amount);\n }\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n bytes4 proxyId = assetData.readBytes4(0);\n\n if (proxyId == ERC20_DATA_ID) {\n transferERC20Token(assetData, amount);\n } else if (proxyId == ERC721_DATA_ID) {\n transferERC721Token(assetData, amount);\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n }\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n address token = assetData.readAddress(16);\n\n // Transfer tokens.\n // We do a raw call so we can check the success separate\n // from the return data.\n bool success = token.call(abi.encodeWithSelector(\n ERC20_TRANSFER_SELECTOR,\n msg.sender,\n amount\n ));\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n \n // Check return data.\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // value that evaluates to true.\n assembly {\n if returndatasize {\n success := 0\n if eq(returndatasize, 32) {\n // First 64 bytes of memory are reserved scratch space\n returndatacopy(0, 0, 32)\n success := mload(0)\n }\n }\n }\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n }\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n require(\n amount == 1,\n \"INVALID_AMOUNT\"\n );\n // Decode asset data.\n address token = assetData.readAddress(16);\n uint256 tokenId = assetData.readUint256(36);\n\n // Perform transfer.\n IERC721Token(token).transferFrom(\n address(this),\n msg.sender,\n tokenId\n );\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"../../protocol/Exchange/libs/LibAbiEncoder.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinExchangeWrapper is\n LibAbiEncoder,\n LibFillResults,\n LibMath,\n LibConstants,\n MExchangeWrapper\n{\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n address exchange = address(EXCHANGE);\n\n // Call `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := call(\n gas, // forward all gas, TODO: look into gas consumption of assert/throw\n exchange, // call address of Exchange contract\n 0, // transfer 0 wei\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n switch success\n case 0 {\n mstore(fillResults, 0)\n mstore(add(fillResults, 32), 0)\n mstore(add(fillResults, 64), 0)\n mstore(add(fillResults, 96), 0)\n }\n case 1 {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of WETH to sell\n uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of WETH\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmount(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount;\n if (makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n\n require(\n makerAssetFilledAmount >= makerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n // Do nothing if zrxBuyAmount == 0\n if (zrxBuyAmount == 0) {\n return totalFillResults;\n }\n\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n uint256 zrxPurchased = 0;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // All of these are ZRX/WETH, so we can drop the respective assetData from calldata.\n orders[i].makerAssetData = zrxAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of ZRX to buy.\n uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased);\n\n // Convert the remaining amount of ZRX to buy into remaining amount\n // of WETH to sell, assuming entire amount can be sold in the current order.\n uint256 remainingWethSellAmount = getPartialAmount(\n orders[i].takerAssetAmount,\n safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees \n remainingZrxBuyAmount\n );\n\n // Attempt to sell the remaining amount of WETH.\n FillResults memory singleFillResult = fillOrderNoThrow(\n orders[i],\n safeAdd(remainingWethSellAmount, 1), // we add 1 wei to the fill amount to make up for rounding errors\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker.\n addFillResults(totalFillResults, singleFillResult);\n zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid);\n\n // Stop execution if the entire amount of ZRX has been bought.\n if (zrxPurchased >= zrxBuyAmount) {\n break;\n }\n }\n\n require(\n zrxPurchased >= zrxBuyAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\nimport \"./mixins/MAssets.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"./interfaces/IForwarderCore.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinForwarderCore is\n LibFillResults,\n LibMath,\n LibConstants,\n MWeth,\n MAssets,\n MExchangeWrapper,\n IForwarderCore\n{\n\n using LibBytes for bytes;\n\n /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf.\n constructor ()\n public\n {\n address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID);\n if (proxyAddress != address(0)) {\n ETHER_TOKEN.approve(proxyAddress, MAX_UINT);\n ZRX_TOKEN.approve(proxyAddress, MAX_UINT);\n }\n }\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 wethSellAmount;\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // Calculate amount of WETH that won't be spent on ETH fees.\n wethSellAmount = getPartialAmount(\n PERCENTAGE_DENOMINATOR,\n safeAdd(PERCENTAGE_DENOMINATOR, feePercentage),\n msg.value\n );\n // Market sell available WETH.\n // ZRX fees are paid with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // 5% of WETH is reserved for filling feeOrders and paying feeRecipient.\n wethSellAmount = getPartialAmount(\n MAX_WETH_FILL_PERCENTAGE,\n PERCENTAGE_DENOMINATOR,\n msg.value\n );\n // Market sell 95% of WETH.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // If the makerAsset is ZRX, it is not necessary to pay fees out of this\n // contracts's ZRX balance because fees are factored into the price of the order.\n orderFillResults = marketBuyExactZrxWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // Attemp to purchase desired amount of makerAsset.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketBuyExactAmountWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\n\n\ncontract MixinWeth is\n LibMath,\n LibConstants,\n MWeth\n{\n\n /// @dev Default payabale function, this allows us to withdraw WETH\n function ()\n public\n payable\n {\n require(\n msg.sender == address(ETHER_TOKEN),\n \"DEFAULT_FUNCTION_WETH_CONTRACT_ONLY\"\n );\n }\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal\n {\n require(\n msg.value > 0,\n \"INVALID_MSG_VALUE\"\n );\n ETHER_TOKEN.deposit.value(msg.value)();\n }\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal\n {\n // Ensure feePercentage is less than 5%.\n require(\n feePercentage <= MAX_FEE_PERCENTAGE,\n \"FEE_PERCENTAGE_TOO_LARGE\"\n );\n\n // Ensure that no extra WETH owned by this contract has been sold.\n uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx);\n require(\n wethSold <= msg.value,\n \"OVERSOLD_WETH\"\n );\n\n // Calculate amount of WETH that hasn't been sold.\n uint256 wethRemaining = safeSub(msg.value, wethSold);\n\n // Calculate ETH fee to pay to feeRecipient.\n uint256 ethFee = getPartialAmount(\n feePercentage,\n PERCENTAGE_DENOMINATOR,\n wethSoldExcludingFeeOrders\n );\n\n // Ensure fee is less than amount of WETH remaining.\n require(\n ethFee <= wethRemaining,\n \"INSUFFICIENT_ETH_REMAINING\"\n );\n \n // Do nothing if no WETH remaining\n if (wethRemaining > 0) {\n // Convert remaining WETH to ETH\n ETHER_TOKEN.withdraw(wethRemaining);\n\n // Pay ETH to feeRecipient\n if (ethFee > 0) {\n feeRecipient.transfer(ethFee);\n }\n\n // Refund remaining ETH to msg.sender.\n uint256 ethRefund = safeSub(wethRemaining, ethFee);\n if (ethRefund > 0) {\n msg.sender.transfer(ethRefund);\n }\n }\n }\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssets {\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external;\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract IForwarderCore {\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n}\n", + "2.0.0/extensions/Forwarder/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/LibBytes/LibBytes.sol\";\nimport \"../../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../../tokens/EtherToken/IEtherToken.sol\";\nimport \"../../../tokens/ERC20Token/IERC20Token.sol\";\n\n\ncontract LibConstants {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n uint256 constant internal MAX_UINT = 2**256 - 1;\n uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; \n uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5%\n uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95%\n \n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n IEtherToken internal ETHER_TOKEN;\n IERC20Token internal ZRX_TOKEN;\n bytes internal ZRX_ASSET_DATA;\n bytes internal WETH_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n WETH_ASSET_DATA = _wethAssetData;\n\n address etherToken = _wethAssetData.readAddress(16);\n address zrxToken = _zrxAssetData.readAddress(16);\n ETHER_TOKEN = IEtherToken(etherToken);\n ZRX_TOKEN = IERC20Token(zrxToken);\n }\n}\n", + "2.0.0/extensions/Forwarder/mixins/MAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssets.sol\";\n\n\ncontract MAssets is\n IAssets\n{\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract MExchangeWrapper {\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n}\n", + "2.0.0/extensions/Forwarder/mixins/MWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract MWeth {\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal;\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal;\n}\n", + "2.0.0/extensions/OrderValidator/OrderValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract OrderValidator {\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n using LibBytes for bytes;\n\n struct TraderInfo {\n uint256 makerBalance; // Maker's balance of makerAsset\n uint256 makerAllowance; // Maker's allowance to corresponding AssetProxy\n uint256 takerBalance; // Taker's balance of takerAsset\n uint256 takerAllowance; // Taker's allowance to corresponding AssetProxy\n uint256 makerZrxBalance; // Maker's balance of ZRX\n uint256 makerZrxAllowance; // Maker's allowance of ZRX to ERC20Proxy\n uint256 takerZrxBalance; // Taker's balance of ZRX\n uint256 takerZrxAllowance; // Taker's allowance of ZRX to ERC20Proxy\n }\n\n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n bytes internal ZRX_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (address _exchange, bytes memory _zrxAssetData)\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n }\n\n /// @dev Fetches information for order and maker/taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return OrderInfo and TraderInfo instances for given order.\n function getOrderAndTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo, TraderInfo memory traderInfo)\n {\n orderInfo = EXCHANGE.getOrderInfo(order);\n traderInfo = getTraderInfo(order, takerAddress);\n return (orderInfo, traderInfo);\n }\n\n /// @dev Fetches information for all passed in orders and the makers/takers of each order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Arrays of OrderInfo and TraderInfo instances that correspond to each order.\n function getOrdersAndTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (LibOrder.OrderInfo[] memory ordersInfo, TraderInfo[] memory tradersInfo)\n {\n ordersInfo = EXCHANGE.getOrdersInfo(orders);\n tradersInfo = getTradersInfo(orders, takerAddresses);\n return (ordersInfo, tradersInfo);\n }\n\n /// @dev Fetches balance and allowances for maker and taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return Balances and allowances of maker and taker of order.\n function getTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (TraderInfo memory traderInfo)\n {\n (traderInfo.makerBalance, traderInfo.makerAllowance) = getBalanceAndAllowance(order.makerAddress, order.makerAssetData);\n (traderInfo.takerBalance, traderInfo.takerAllowance) = getBalanceAndAllowance(takerAddress, order.takerAssetData);\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n (traderInfo.makerZrxBalance, traderInfo.makerZrxAllowance) = getBalanceAndAllowance(order.makerAddress, zrxAssetData);\n (traderInfo.takerZrxBalance, traderInfo.takerZrxAllowance) = getBalanceAndAllowance(takerAddress, zrxAssetData);\n return traderInfo;\n }\n\n /// @dev Fetches balances and allowances of maker and taker for each provided order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Array of balances and allowances for maker and taker of each order.\n function getTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (TraderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n TraderInfo[] memory tradersInfo = new TraderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n tradersInfo[i] = getTraderInfo(orders[i], takerAddresses[i]);\n }\n return tradersInfo;\n }\n\n /// @dev Fetches token balances and allowances of an address to given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Encoded data that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balance of asset and allowance set to given proxy of asset.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalanceAndAllowance(address target, bytes memory assetData)\n public\n view\n returns (uint256 balance, uint256 allowance)\n {\n bytes4 assetProxyId = assetData.readBytes4(0);\n address token = assetData.readAddress(16);\n address assetProxy = EXCHANGE.getAssetProxy(assetProxyId);\n\n if (assetProxyId == ERC20_DATA_ID) {\n // Query balance\n balance = IERC20Token(token).balanceOf(target);\n\n // Query allowance\n allowance = IERC20Token(token).allowance(target, assetProxy);\n } else if (assetProxyId == ERC721_DATA_ID) {\n uint256 tokenId = assetData.readUint256(36);\n\n // Query owner of tokenId\n address owner = getERC721TokenOwner(token, tokenId);\n\n // Set balance to 1 if tokenId is owned by target\n balance = target == owner ? 1 : 0;\n\n // Check if ERC721Proxy is approved to spend tokenId\n bool isApproved = IERC721Token(token).isApprovedForAll(target, assetProxy) || IERC721Token(token).getApproved(tokenId) == assetProxy;\n \n // Set alowance to 1 if ERC721Proxy is approved to spend tokenId\n allowance = isApproved ? 1 : 0;\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n return (balance, allowance);\n }\n\n /// @dev Fetches token balances and allowances of an address for each given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Array of encoded byte arrays that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balances and allowances of assets.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalancesAndAllowances(address target, bytes[] memory assetData)\n public\n view\n returns (uint256[] memory, uint256[] memory)\n {\n uint256 length = assetData.length;\n uint256[] memory balances = new uint256[](length);\n uint256[] memory allowances = new uint256[](length);\n for (uint256 i = 0; i != length; i++) {\n (balances[i], allowances[i]) = getBalanceAndAllowance(target, assetData[i]);\n }\n return (balances, allowances);\n }\n\n /// @dev Calls `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token.\n /// @param token Address of ERC721 token.\n /// @param tokenId The identifier for the specific NFT.\n /// @return Owner of tokenId or null address if unowned.\n function getERC721TokenOwner(address token, uint256 tokenId)\n public\n view\n returns (address owner)\n {\n assembly {\n // load free memory pointer\n let cdStart := mload(64)\n\n // bytes4(keccak256(ownerOf(uint256))) = 0x6352211e\n mstore(cdStart, 0x6352211e00000000000000000000000000000000000000000000000000000000)\n mstore(add(cdStart, 4), tokenId)\n\n // staticcall `ownerOf(tokenId)`\n // `ownerOf` will revert if tokenId is not owned\n let success := staticcall(\n gas, // forward all gas\n token, // call token contract\n cdStart, // start of calldata\n 36, // length of input is 36 bytes\n cdStart, // write output over input\n 32 // size of output is 32 bytes\n )\n\n // Success implies that tokenId is owned\n // Copy owner from return data if successful\n if success {\n owner := mload(cdStart)\n } \n }\n\n // Owner initialized to address(0), no need to modify if call is unsuccessful\n return owner;\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC20Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n \n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n \n /////// Token contract address ///////\n // The token address is found as follows:\n // * It is stored at offset 4 in `assetData` contents.\n // * This is stored at offset 32 from `assetData`.\n // * The offset to `assetData` from Params is stored at offset\n // 4 in calldata.\n // * The offset of Params in calldata is 4.\n // So we read location 4 and add 32 + 4 + 4 to it.\n let token := calldataload(add(calldataload(4), 40))\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from`, `to` and `amount` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 96)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output over input\n 32 // output size should be 32 bytes\n )\n\n /////// Check return data. ///////\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // nonzero 32 bytes value.\n // So the transfer succeeded if the call succeeded and either\n // returned nothing, or returned a non-zero 32 byte value. \n success := and(success, or(\n iszero(returndatasize),\n and(\n eq(returndatasize, 32),\n gt(mload(0), 0)\n )\n ))\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC721Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 2 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n // | | 36 | | 2. tokenId |\n \n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. tokenId |\n\n // There exists only 1 of each token.\n // require(amount == 1, \"INVALID_AMOUNT\")\n if sub(calldataload(100), 1) {\n // Revert with `Error(\"INVALID_AMOUNT\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from` and `to` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 64)\n\n // Copy `tokenId` field from our own calldata to the new calldata.\n let assetDataOffset := calldataload(4)\n calldatacopy(68, add(assetDataOffset, 72), 32)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let token := calldataload(add(assetDataOffset, 40))\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output to null\n 0 // output size is 0 bytes\n )\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAuthorizable.sol\";\n\n\ncontract MixinAuthorizable is\n Ownable,\n MAuthorizable\n{\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized {\n require(\n authorized[msg.sender],\n \"SENDER_NOT_AUTHORIZED\"\n );\n _;\n }\n\n mapping (address => bool) public authorized;\n address[] public authorities;\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n !authorized[target],\n \"TARGET_ALREADY_AUTHORIZED\"\n );\n\n authorized[target] = true;\n authorities.push(target);\n emit AuthorizedAddressAdded(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n\n delete authorized[target];\n for (uint256 i = 0; i < authorities.length; i++) {\n if (authorities[i] == target) {\n authorities[i] = authorities[authorities.length - 1];\n authorities.length -= 1;\n break;\n }\n }\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n require(\n index < authorities.length,\n \"INDEX_OUT_OF_BOUNDS\"\n );\n require(\n authorities[index] == target,\n \"AUTHORIZED_ADDRESS_MISMATCH\"\n );\n\n delete authorized[target];\n authorities[index] = authorities[authorities.length - 1];\n authorities.length -= 1;\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory)\n {\n return authorities;\n }\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IAuthorizable.sol\";\n\n\ncontract IAssetProxy is\n IAuthorizable\n{\n\n /// @dev Transfers assets. Either succeeds or throws.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n function transferFrom(\n bytes assetData,\n address from,\n address to,\n uint256 amount\n )\n external;\n \n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4);\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/Ownable/IOwnable.sol\";\n\n\ncontract IAuthorizable is\n IOwnable\n{\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external;\n \n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory);\n}\n", + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAuthorizable.sol\";\n\n\ncontract MAuthorizable is\n IAuthorizable\n{\n\n // Event logged when a new address is authorized.\n event AuthorizedAddressAdded(\n address indexed target,\n address indexed caller\n );\n\n // Event logged when a currently authorized address is unauthorized.\n event AuthorizedAddressRemoved(\n address indexed target,\n address indexed caller\n );\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized { revert(); _; }\n}\n", + "2.0.0/protocol/Exchange/Exchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinExchangeCore.sol\";\nimport \"./MixinSignatureValidator.sol\";\nimport \"./MixinWrapperFunctions.sol\";\nimport \"./MixinAssetProxyDispatcher.sol\";\nimport \"./MixinTransactions.sol\";\nimport \"./MixinMatchOrders.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Exchange is\n MixinExchangeCore,\n MixinMatchOrders,\n MixinSignatureValidator,\n MixinTransactions,\n MixinAssetProxyDispatcher,\n MixinWrapperFunctions\n{\n\n string constant public VERSION = \"2.0.1-alpha\";\n\n // Mixins are instantiated in the order they are inherited\n constructor (bytes memory _zrxAssetData)\n public\n LibConstants(_zrxAssetData) // @TODO: Remove when we deploy.\n MixinExchangeCore()\n MixinMatchOrders()\n MixinSignatureValidator()\n MixinTransactions()\n MixinAssetProxyDispatcher()\n MixinWrapperFunctions()\n {}\n}\n", + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\nimport \"../AssetProxy/interfaces/IAssetProxy.sol\";\n\n\ncontract MixinAssetProxyDispatcher is\n Ownable,\n MAssetProxyDispatcher\n{\n using LibBytes for bytes;\n \n // Mapping from Asset Proxy Id's to their respective Asset Proxy\n mapping (bytes4 => IAssetProxy) public assetProxies;\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external\n onlyOwner\n {\n IAssetProxy assetProxyContract = IAssetProxy(assetProxy);\n\n // Ensure that no asset proxy exists with current id.\n bytes4 assetProxyId = assetProxyContract.getProxyId();\n address currentAssetProxy = assetProxies[assetProxyId];\n require(\n currentAssetProxy == address(0),\n \"ASSET_PROXY_ALREADY_EXISTS\"\n );\n\n // Add asset proxy and log registration.\n assetProxies[assetProxyId] = assetProxyContract;\n emit AssetProxyRegistered(\n assetProxyId,\n assetProxy\n );\n }\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address)\n {\n return assetProxies[assetProxyId];\n }\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal\n {\n // Do nothing if no amount should be transferred.\n if (amount > 0) {\n // Ensure assetData length is valid\n require(\n assetData.length > 3,\n \"LENGTH_GREATER_THAN_3_REQUIRED\"\n );\n \n // Lookup assetProxy\n bytes4 assetProxyId;\n assembly {\n assetProxyId := and(mload(\n add(assetData, 32)),\n 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000\n )\n }\n address assetProxy = assetProxies[assetProxyId];\n\n // Ensure that assetProxy exists\n require(\n assetProxy != address(0),\n \"ASSET_PROXY_DOES_NOT_EXIST\"\n );\n \n // We construct calldata for the `assetProxy.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n\n assembly {\n /////// Setup State ///////\n // `cdStart` is the start of the calldata for `assetProxy.transferFrom` (equal to free memory ptr).\n let cdStart := mload(64)\n // `dataAreaLength` is the total number of words needed to store `assetData`\n // As-per the ABI spec, this value is padded up to the nearest multiple of 32,\n // and includes 32-bytes for length.\n let dataAreaLength := and(add(mload(assetData), 63), 0xFFFFFFFFFFFE0)\n // `cdEnd` is the end of the calldata for `assetProxy.transferFrom`.\n let cdEnd := add(cdStart, add(132, dataAreaLength))\n\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFromSelector`.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes.\n // Notes:\n // 1. The offset to `assetData` is the length of the Params Area (128 bytes).\n // 2. A 20-byte mask is applied to addresses to zero-out the unused bytes.\n mstore(add(cdStart, 4), 128)\n mstore(add(cdStart, 36), and(from, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 68), and(to, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 100), amount)\n \n /////// Setup Data Area ///////\n // This area holds `assetData`.\n let dataArea := add(cdStart, 132)\n // solhint-disable-next-line no-empty-blocks\n for {} lt(dataArea, cdEnd) {} {\n mstore(dataArea, mload(assetData))\n dataArea := add(dataArea, 32)\n assetData := add(assetData, 32)\n }\n\n /////// Call `assetProxy.transferFrom` using the constructed calldata ///////\n let success := call(\n gas, // forward all gas\n assetProxy, // call address of asset proxy\n 0, // don't send any ETH\n cdStart, // pointer to start of input\n sub(cdEnd, cdStart), // length of input \n cdStart, // write output over input\n 512 // reserve 512 bytes for output\n )\n if iszero(success) {\n revert(cdStart, returndatasize())\n }\n }\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinExchangeCore is\n LibConstants,\n LibMath,\n LibOrder,\n LibFillResults,\n MAssetProxyDispatcher,\n MExchangeCore,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of orderHash => amount of takerAsset already bought by maker\n mapping (bytes32 => uint256) public filled;\n\n // Mapping of orderHash => cancelled\n mapping (bytes32 => bool) public cancelled;\n\n // Mapping of makerAddress => senderAddress => lowest salt an order can have in order to be fillable\n // Orders with specified senderAddress and with a salt less than their epoch are considered cancelled\n mapping (address => mapping (address => uint256)) public orderEpoch;\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external\n {\n address makerAddress = getCurrentContextAddress();\n // If this function is called via `executeTransaction`, we only update the orderEpoch for the makerAddress/msg.sender combination.\n // This allows external filter contracts to add rules to how orders are cancelled via this function.\n address senderAddress = makerAddress == msg.sender ? address(0) : msg.sender;\n\n // orderEpoch is initialized to 0, so to cancelUpTo we need salt + 1\n uint256 newOrderEpoch = targetOrderEpoch + 1; \n uint256 oldOrderEpoch = orderEpoch[makerAddress][senderAddress];\n\n // Ensure orderEpoch is monotonically increasing\n require(\n newOrderEpoch > oldOrderEpoch, \n \"INVALID_NEW_ORDER_EPOCH\"\n );\n\n // Update orderEpoch\n orderEpoch[makerAddress][senderAddress] = newOrderEpoch;\n emit CancelUpTo(makerAddress, senderAddress, newOrderEpoch);\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // Fetch order info\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n\n // Get amount of takerAsset to fill\n uint256 remainingTakerAssetAmount = safeSub(order.takerAssetAmount, orderInfo.orderTakerAssetFilledAmount);\n uint256 takerAssetFilledAmount = min256(takerAssetFillAmount, remainingTakerAssetAmount);\n\n // Validate context\n assertValidFill(\n order,\n orderInfo,\n takerAddress,\n takerAssetFillAmount,\n takerAssetFilledAmount,\n signature\n );\n\n // Compute proportional fill amounts\n fillResults = calculateFillResults(order, takerAssetFilledAmount);\n\n // Update exchange internal state\n updateFilledState(\n order,\n takerAddress,\n orderInfo.orderHash,\n orderInfo.orderTakerAssetFilledAmount,\n fillResults\n );\n \n // Settle order\n settleOrder(order, takerAddress, fillResults);\n\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrder(Order memory order)\n public\n {\n // Fetch current order status\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Validate context\n assertValidCancel(order, orderInfo);\n\n // Perform cancel\n updateCancelledState(order, orderInfo.orderHash);\n }\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(Order memory order)\n public\n view\n returns (OrderInfo memory orderInfo)\n {\n // Compute the order hash\n orderInfo.orderHash = getOrderHash(order);\n\n // Fetch filled amount\n orderInfo.orderTakerAssetFilledAmount = filled[orderInfo.orderHash];\n\n // If order.makerAssetAmount is zero, we also reject the order.\n // While the Exchange contract handles them correctly, they create\n // edge cases in the supporting infrastructure because they have\n // an 'infinite' price when computed by a simple division.\n if (order.makerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_MAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // If order.takerAssetAmount is zero, then the order will always\n // be considered filled because 0 == takerAssetAmount == orderTakerAssetFilledAmount\n // Instead of distinguishing between unfilled and filled zero taker\n // amount orders, we choose not to support them.\n if (order.takerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_TAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // Validate order availability\n if (orderInfo.orderTakerAssetFilledAmount >= order.takerAssetAmount) {\n orderInfo.orderStatus = uint8(OrderStatus.FULLY_FILLED);\n return orderInfo;\n }\n\n // Validate order expiration\n // solhint-disable-next-line not-rely-on-time\n if (block.timestamp >= order.expirationTimeSeconds) {\n orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);\n return orderInfo;\n }\n\n // Check if order has been cancelled\n if (cancelled[orderInfo.orderHash]) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n if (orderEpoch[order.makerAddress][order.senderAddress] > order.salt) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n\n // All other statuses are ruled out: order is Fillable\n orderInfo.orderStatus = uint8(OrderStatus.FILLABLE);\n return orderInfo;\n }\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n function updateFilledState(\n Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n FillResults memory fillResults\n )\n internal\n {\n // Update state\n filled[orderHash] = safeAdd(orderTakerAssetFilledAmount, fillResults.takerAssetFilledAmount);\n\n // Log order\n emit Fill(\n order.makerAddress,\n order.feeRecipientAddress,\n takerAddress,\n msg.sender,\n fillResults.makerAssetFilledAmount,\n fillResults.takerAssetFilledAmount,\n fillResults.makerFeePaid,\n fillResults.takerFeePaid,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n Order memory order,\n bytes32 orderHash\n )\n internal\n {\n // Perform cancel\n cancelled[orderHash] = true;\n\n // Log cancel\n emit Cancel(\n order.makerAddress,\n order.feeRecipientAddress,\n msg.sender,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param signature Proof that the orders was created by its maker.\n function assertValidFill(\n Order memory order,\n OrderInfo memory orderInfo,\n address takerAddress,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n bytes memory signature\n )\n internal\n view\n {\n // An order can only be filled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Revert if fill amount is invalid\n require(\n takerAssetFillAmount != 0,\n \"INVALID_TAKER_AMOUNT\"\n );\n\n // Validate sender is allowed to fill this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate taker is allowed to fill this order\n if (order.takerAddress != address(0)) {\n require(\n order.takerAddress == takerAddress,\n \"INVALID_TAKER\"\n );\n }\n\n // Validate Maker signature (check only if first time seen)\n if (orderInfo.orderTakerAssetFilledAmount == 0) {\n require(\n isValidSignature(\n orderInfo.orderHash,\n order.makerAddress,\n signature\n ),\n \"INVALID_ORDER_SIGNATURE\"\n );\n }\n\n // Validate fill order rounding\n require(\n !isRoundingError(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n ),\n \"ROUNDING_ERROR\"\n );\n }\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n Order memory order,\n OrderInfo memory orderInfo\n )\n internal\n view\n {\n // Ensure order is valid\n // An order can only be cancelled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Validate sender is allowed to cancel this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate transaction signed by maker\n address makerAddress = getCurrentContextAddress();\n require(\n order.makerAddress == makerAddress,\n \"INVALID_MAKER\"\n );\n }\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (FillResults memory fillResults)\n {\n // Compute proportional transfer amounts\n fillResults.takerAssetFilledAmount = takerAssetFilledAmount;\n fillResults.makerAssetFilledAmount = getPartialAmount(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n );\n fillResults.makerFeePaid = getPartialAmount(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerFee\n );\n fillResults.takerFeePaid = getPartialAmount(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.takerFee\n );\n\n return fillResults;\n }\n\n /// @dev Settles an order by transferring assets between counterparties.\n /// @param order Order struct containing order specifications.\n /// @param takerAddress Address selling takerAsset and buying makerAsset.\n /// @param fillResults Amounts to be filled and fees paid by maker and taker.\n function settleOrder(\n LibOrder.Order memory order,\n address takerAddress,\n LibFillResults.FillResults memory fillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n dispatchTransferFrom(\n order.makerAssetData,\n order.makerAddress,\n takerAddress,\n fillResults.makerAssetFilledAmount\n );\n dispatchTransferFrom(\n order.takerAssetData,\n takerAddress,\n order.makerAddress,\n fillResults.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n zrxAssetData,\n order.makerAddress,\n order.feeRecipientAddress,\n fillResults.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n order.feeRecipientAddress,\n fillResults.takerFeePaid\n );\n }\n}\n", + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": "/*\n Copyright 2018 ZeroEx Intl.\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n http://www.apache.org/licenses/LICENSE-2.0\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MMatchOrders.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinMatchOrders is\n LibConstants,\n LibMath,\n MAssetProxyDispatcher,\n MExchangeCore,\n MMatchOrders,\n MTransactions\n{\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We assume that rightOrder.takerAssetData == leftOrder.makerAssetData and rightOrder.makerAssetData == leftOrder.takerAssetData.\n // If this assumption isn't true, the match will fail at signature validation.\n rightOrder.makerAssetData = leftOrder.takerAssetData;\n rightOrder.takerAssetData = leftOrder.makerAssetData;\n\n // Get left & right order info\n LibOrder.OrderInfo memory leftOrderInfo = getOrderInfo(leftOrder);\n LibOrder.OrderInfo memory rightOrderInfo = getOrderInfo(rightOrder);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n\n // Either our context is valid or we revert\n assertValidMatch(leftOrder, rightOrder);\n\n // Compute proportional fill amounts\n matchedFillResults = calculateMatchedFillResults(\n leftOrder,\n rightOrder,\n leftOrderInfo.orderTakerAssetFilledAmount,\n rightOrderInfo.orderTakerAssetFilledAmount\n );\n\n // Validate fill contexts\n assertValidFill(\n leftOrder,\n leftOrderInfo,\n takerAddress,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.takerAssetFilledAmount,\n leftSignature\n );\n assertValidFill(\n rightOrder,\n rightOrderInfo,\n takerAddress,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount,\n rightSignature\n );\n\n // Update exchange state\n updateFilledState(\n leftOrder,\n takerAddress,\n leftOrderInfo.orderHash,\n leftOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.left\n );\n updateFilledState(\n rightOrder,\n takerAddress,\n rightOrderInfo.orderHash,\n rightOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.right\n );\n \n // Settle matched orders. Succeeds or throws.\n settleMatchedOrders(\n leftOrder,\n rightOrder,\n takerAddress,\n matchedFillResults\n );\n\n return matchedFillResults;\n }\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure\n {\n // Make sure there is a profitable spread.\n // There is a profitable spread iff the cost per unit bought (OrderA.MakerAmount/OrderA.TakerAmount) for each order is greater\n // than the profit per unit sold of the matched order (OrderB.TakerAmount/OrderB.MakerAmount).\n // This is satisfied by the equations below:\n // / >= / \n // AND\n // / >= / \n // These equations can be combined to get the following:\n require(\n safeMul(leftOrder.makerAssetAmount, rightOrder.makerAssetAmount) >=\n safeMul(leftOrder.takerAssetAmount, rightOrder.takerAssetAmount),\n \"NEGATIVE_SPREAD_REQUIRED\"\n );\n }\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We settle orders at the exchange rate of the right order.\n // The amount saved by the left maker goes to the taker.\n // Either the left or right order will be fully filled; possibly both.\n // The left order is fully filled iff the right order can sell more than left can buy.\n // That is: the amount required to fill the left order is less than or equal to\n // the amount we can spend from the right order:\n // <= * \n // <= * / \n // * <= * \n uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);\n uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);\n uint256 leftTakerAssetFilledAmount;\n uint256 rightTakerAssetFilledAmount;\n if (\n safeMul(leftTakerAssetAmountRemaining, rightOrder.takerAssetAmount) <=\n safeMul(rightTakerAssetAmountRemaining, rightOrder.makerAssetAmount)\n ) {\n // Left order will be fully filled: maximally fill left\n leftTakerAssetFilledAmount = leftTakerAssetAmountRemaining;\n\n // The right order receives an amount proportional to how much was spent.\n rightTakerAssetFilledAmount = getPartialAmount(\n rightOrder.takerAssetAmount,\n rightOrder.makerAssetAmount,\n leftTakerAssetFilledAmount\n );\n } else {\n // Right order will be fully filled: maximally fill right\n rightTakerAssetFilledAmount = rightTakerAssetAmountRemaining;\n\n // The left order receives an amount proportional to how much was spent.\n leftTakerAssetFilledAmount = getPartialAmount(\n rightOrder.makerAssetAmount,\n rightOrder.takerAssetAmount,\n rightTakerAssetFilledAmount\n );\n }\n\n // Calculate fill results for left order\n matchedFillResults.left = calculateFillResults(\n leftOrder,\n leftTakerAssetFilledAmount\n );\n\n // Calculate fill results for right order\n matchedFillResults.right = calculateFillResults(\n rightOrder,\n rightTakerAssetFilledAmount\n );\n\n // Calculate amount given to taker\n matchedFillResults.leftMakerAssetSpreadAmount = safeSub(\n matchedFillResults.left.makerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount\n );\n\n // Return fill results\n return matchedFillResults;\n }\n\n /// @dev Settles matched order by transferring appropriate funds between order makers, taker, and fee recipient.\n /// @param leftOrder First matched order.\n /// @param rightOrder Second matched order.\n /// @param takerAddress Address that matched the orders. The taker receives the spread between orders as profit.\n /// @param matchedFillResults Struct holding amounts to transfer between makers, taker, and fee recipients.\n function settleMatchedOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n address takerAddress,\n LibFillResults.MatchedFillResults memory matchedFillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n // Order makers and taker\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n rightOrder.makerAddress,\n matchedFillResults.right.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n rightOrder.makerAssetData,\n rightOrder.makerAddress,\n leftOrder.makerAddress,\n matchedFillResults.left.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n takerAddress,\n matchedFillResults.leftMakerAssetSpreadAmount\n );\n\n // Maker fees\n dispatchTransferFrom(\n zrxAssetData,\n leftOrder.makerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n rightOrder.makerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.makerFeePaid\n );\n\n // Taker fees\n if (leftOrder.feeRecipientAddress == rightOrder.feeRecipientAddress) {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n safeAdd(\n matchedFillResults.left.takerFeePaid,\n matchedFillResults.right.takerFeePaid\n )\n );\n } else {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.takerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.takerFeePaid\n );\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./interfaces/IWallet.sol\";\nimport \"./interfaces/IValidator.sol\";\n\n\ncontract MixinSignatureValidator is\n MSignatureValidator,\n MTransactions\n{\n using LibBytes for bytes;\n \n // Mapping of hash => signer => signed\n mapping (bytes32 => mapping (address => bool)) public preSigned;\n\n // Mapping of signer => validator => approved\n mapping (address => mapping (address => bool)) public allowedValidators;\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n {\n require(\n isValidSignature(\n hash,\n signerAddress,\n signature\n ),\n \"INVALID_SIGNATURE\"\n );\n preSigned[hash][signerAddress] = true;\n }\n\n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external\n {\n address signerAddress = getCurrentContextAddress();\n allowedValidators[signerAddress][validatorAddress] = approval;\n emit SignatureValidatorApproval(\n signerAddress,\n validatorAddress,\n approval\n );\n }\n\n /// @dev Verifies that a hash has been signed by the given signer.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid)\n {\n require(\n signature.length > 0,\n \"LENGTH_GREATER_THAN_0_REQUIRED\"\n );\n\n // Pop last byte off of signature byte array.\n uint8 signatureTypeRaw = uint8(signature.popLastByte());\n\n // Ensure signature is supported\n require(\n signatureTypeRaw < uint8(SignatureType.NSignatureTypes),\n \"SIGNATURE_UNSUPPORTED\"\n );\n\n SignatureType signatureType = SignatureType(signatureTypeRaw);\n\n // Variables are not scoped in Solidity.\n uint8 v;\n bytes32 r;\n bytes32 s;\n address recovered;\n\n // Always illegal signature.\n // This is always an implicit option since a signer can create a\n // signature array with invalid type or length. We may as well make\n // it an explicit option. This aids testing and analysis. It is\n // also the initialization value for the enum type.\n if (signatureType == SignatureType.Illegal) {\n revert(\"SIGNATURE_ILLEGAL\");\n\n // Always invalid signature.\n // Like Illegal, this is always implicitly available and therefore\n // offered explicitly. It can be implicitly created by providing\n // a correctly formatted but incorrect signature.\n } else if (signatureType == SignatureType.Invalid) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = false;\n return isValid;\n\n // Signature using EIP712\n } else if (signatureType == SignatureType.EIP712) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n hash,\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signed using web3.eth_sign\n } else if (signatureType == SignatureType.EthSign) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n32\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Implicitly signed by caller.\n // The signer has initiated the call. In the case of non-contract\n // accounts it means the transaction itself was signed.\n // Example: let's say for a particular operation three signatures\n // A, B and C are required. To submit the transaction, A and B can\n // give a signature to C, who can then submit the transaction using\n // `Caller` for his own signature. Or A and C can sign and B can\n // submit using `Caller`. Having `Caller` allows this flexibility.\n } else if (signatureType == SignatureType.Caller) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = signerAddress == msg.sender;\n return isValid;\n\n // Signature verified by wallet contract.\n // If used with an order, the maker of the order is the wallet contract.\n } else if (signatureType == SignatureType.Wallet) {\n isValid = IWallet(signerAddress).isValidSignature(hash, signature);\n return isValid;\n\n // Signature verified by validator contract.\n // If used with an order, the maker of the order can still be an EOA.\n // A signature using this type should be encoded as:\n // | Offset | Length | Contents |\n // | 0x00 | x | Signature to validate |\n // | 0x00 + x | 20 | Address of validator contract |\n // | 0x14 + x | 1 | Signature type is always \"\\x06\" |\n } else if (signatureType == SignatureType.Validator) {\n // Pop last 20 bytes off of signature byte array.\n address validatorAddress = signature.popLast20Bytes();\n \n // Ensure signer has approved validator.\n if (!allowedValidators[signerAddress][validatorAddress]) {\n return false;\n }\n isValid = IValidator(validatorAddress).isValidSignature(\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signer signed hash previously using the preSign function.\n } else if (signatureType == SignatureType.PreSigned) {\n isValid = preSigned[hash][signerAddress];\n return isValid;\n\n // Signature from Trezor hardware wallet.\n // It differs from web3.eth_sign in the encoding of message length\n // (Bitcoin varint encoding vs ascii-decimal, the latter is not\n // self-terminating which leads to ambiguities).\n // See also:\n // https://en.bitcoin.it/wiki/Protocol_documentation#Variable_length_integer\n // https://github.com/trezor/trezor-mcu/blob/master/firmware/ethereum.c#L602\n // https://github.com/trezor/trezor-mcu/blob/master/firmware/crypto.c#L36\n } else if (signatureType == SignatureType.Trezor) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n\\x20\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n }\n\n // Anything else is illegal (We do not return false because\n // the signature may actually be valid, just not in a format\n // that we currently support. In this case returning false\n // may lead the caller to incorrectly believe that the\n // signature was invalid.)\n revert(\"SIGNATURE_UNSUPPORTED\");\n }\n}\n", + "2.0.0/protocol/Exchange/MixinTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"./libs/LibExchangeErrors.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./libs/LibEIP712.sol\";\n\n\ncontract MixinTransactions is\n LibEIP712,\n MSignatureValidator,\n MTransactions\n{\n\n // Mapping of transaction hash => executed\n // This prevents transactions from being executed more than once.\n mapping (bytes32 => bool) public transactions;\n\n // Address of current transaction signer\n address public currentContextAddress;\n\n // Hash for the EIP712 ZeroEx Transaction Schema\n bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"ZeroExTransaction(\",\n \"uint256 salt,\",\n \"address signerAddress,\",\n \"bytes data\",\n \")\"\n ));\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external\n {\n // Prevent reentrancy\n require(\n currentContextAddress == address(0),\n \"REENTRANCY_ILLEGAL\"\n );\n\n bytes32 transactionHash = hashEIP712Message(hashZeroExTransaction(\n salt,\n signerAddress,\n data\n ));\n\n // Validate transaction has not been executed\n require(\n !transactions[transactionHash],\n \"INVALID_TX_HASH\"\n );\n\n // Transaction always valid if signer is sender of transaction\n if (signerAddress != msg.sender) {\n // Validate signature\n require(\n isValidSignature(\n transactionHash,\n signerAddress,\n signature\n ),\n \"INVALID_TX_SIGNATURE\"\n );\n\n // Set the current transaction signer\n currentContextAddress = signerAddress;\n }\n\n // Execute transaction\n transactions[transactionHash] = true;\n require(\n address(this).delegatecall(data),\n \"FAILED_EXECUTION\"\n );\n\n // Reset current transaction signer if it was previously updated\n if (signerAddress != msg.sender) {\n currentContextAddress = address(0);\n }\n }\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;\n bytes32 dataHash = keccak256(data);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,\n // salt,\n // bytes32(signerAddress),\n // keccak256(data)\n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, schemaHash) // hash of schema\n mstore(add(memPtr, 32), salt) // salt\n mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff)) // signerAddress\n mstore(add(memPtr, 96), dataHash) // hash of data\n\n // Compute hash\n result := keccak256(memPtr, 128)\n }\n return result;\n }\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address)\n {\n address contextAddress = currentContextAddress == address(0) ? msg.sender : currentContextAddress;\n return contextAddress;\n }\n}\n", + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibAbiEncoder.sol\";\nimport \"./mixins/MExchangeCore.sol\";\n\n\ncontract MixinWrapperFunctions is\n LibMath,\n LibFillResults,\n LibAbiEncoder,\n MExchangeCore\n{\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n require(\n fillResults.takerAssetFilledAmount == takerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return fillResults;\n }\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n // Delegate to `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := delegatecall(\n gas, // forward all gas, TODO: look into gas consumption of assert/throw\n address, // call address of this contract\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n switch success\n case 0 {\n mstore(fillResults, 0)\n mstore(add(fillResults, 32), 0)\n mstore(add(fillResults, 64), 0)\n mstore(add(fillResults, 96), 0)\n }\n case 1 {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrder(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrKillOrder(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n \n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrder(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmount(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrder(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmount(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n cancelOrder(orders[i]);\n }\n }\n\n /// @dev Fetches information for all passed in orders.\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n LibOrder.OrderInfo[] memory ordersInfo = new LibOrder.OrderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n ordersInfo[i] = getOrderInfo(orders[i]);\n }\n return ordersInfo;\n }\n}\n", + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssetProxyDispatcher {\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external;\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./IExchangeCore.sol\";\nimport \"./IMatchOrders.sol\";\nimport \"./ISignatureValidator.sol\";\nimport \"./ITransactions.sol\";\nimport \"./IAssetProxyDispatcher.sol\";\nimport \"./IWrapperFunctions.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract IExchange is\n IExchangeCore,\n IMatchOrders,\n ISignatureValidator,\n ITransactions,\n IAssetProxyDispatcher,\n IWrapperFunctions\n{}\n", + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IExchangeCore {\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external;\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrder(LibOrder.Order memory order)\n public;\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(LibOrder.Order memory order)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IMatchOrders {\n\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ISignatureValidator {\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external;\n \n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external;\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address of signer.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\n\ncontract ITransactions {\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external;\n}\n", + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IValidator {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IWallet {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IWrapperFunctions {\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public;\n\n /// @dev Fetches information for all passed in orders\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory);\n}\n", + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./LibOrder.sol\";\n\n\ncontract LibAbiEncoder {\n\n /// @dev ABI encodes calldata for `fillOrder`.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return ABI encoded calldata for `fillOrder`.\n function abiEncodeFillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n pure\n returns (bytes memory fillOrderCalldata)\n {\n // We need to call MExchangeCore.fillOrder using a delegatecall in\n // assembly so that we can intercept a call that throws. For this, we\n // need the input encoded in memory in the Ethereum ABIv2 format [1].\n\n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0x00 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 0x00 | | 1. offset to order (*) |\n // | | 0x20 | | 2. takerAssetFillAmount |\n // | | 0x40 | | 3. offset to signature (*) |\n // | Data | | 12 * 32 | order: |\n // | | 0x000 | | 1. senderAddress |\n // | | 0x020 | | 2. makerAddress |\n // | | 0x040 | | 3. takerAddress |\n // | | 0x060 | | 4. feeRecipientAddress |\n // | | 0x080 | | 5. makerAssetAmount |\n // | | 0x0A0 | | 6. takerAssetAmount |\n // | | 0x0C0 | | 7. makerFeeAmount |\n // | | 0x0E0 | | 8. takerFeeAmount |\n // | | 0x100 | | 9. expirationTimeSeconds |\n // | | 0x120 | | 10. salt |\n // | | 0x140 | | 11. Offset to makerAssetData (*) |\n // | | 0x160 | | 12. Offset to takerAssetData (*) |\n // | | 0x180 | 32 | makerAssetData Length |\n // | | 0x1A0 | ** | makerAssetData Contents |\n // | | 0x1C0 | 32 | takerAssetData Length |\n // | | 0x1E0 | ** | takerAssetData Contents |\n // | | 0x200 | 32 | signature Length |\n // | | 0x220 | ** | signature Contents |\n\n // * Offsets are calculated from the beginning of the current area: Header, Params, Data:\n // An offset stored in the Params area is calculated from the beginning of the Params section.\n // An offset stored in the Data area is calculated from the beginning of the Data section.\n\n // ** The length of dynamic array contents are stored in the field immediately preceeding the contents.\n\n // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html\n\n assembly {\n\n // Areas below may use the following variables:\n // 1. Start -- Start of this area in memory\n // 2. End -- End of this area in memory. This value may\n // be precomputed (before writing contents),\n // or it may be computed as contents are written.\n // 3. Offset -- Current offset into area. If an area's End\n // is precomputed, this variable tracks the\n // offsets of contents as they are written.\n\n /////// Setup Header Area ///////\n // Load free memory pointer\n fillOrderCalldata := mload(0x40)\n // bytes4(keccak256(\"fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)\"))\n // = 0xb4be83d5\n // Leave 0x20 bytes to store the length\n mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000)\n let headerAreaEnd := add(fillOrderCalldata, 0x24)\n\n /////// Setup Params Area ///////\n // This area is preallocated and written to later.\n // This is because we need to fill in offsets that have not yet been calculated.\n let paramsAreaStart := headerAreaEnd\n let paramsAreaEnd := add(paramsAreaStart, 0x60)\n let paramsAreaOffset := paramsAreaStart\n\n /////// Setup Data Area ///////\n let dataAreaStart := paramsAreaEnd\n let dataAreaEnd := dataAreaStart\n\n // Offset from the source data we're reading from\n let sourceOffset := order\n // arrayLenBytes and arrayLenWords track the length of a dynamically-allocated bytes array.\n let arrayLenBytes := 0\n let arrayLenWords := 0\n\n /////// Write order Struct ///////\n // Write memory location of Order, relative to the start of the\n // parameter list, then increment the paramsAreaOffset respectively.\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n // Write values for each field in the order\n // It would be nice to use a loop, but we save on gas by writing\n // the stores sequentially.\n mstore(dataAreaEnd, mload(sourceOffset)) // makerAddress\n mstore(add(dataAreaEnd, 0x20), mload(add(sourceOffset, 0x20))) // takerAddress\n mstore(add(dataAreaEnd, 0x40), mload(add(sourceOffset, 0x40))) // feeRecipientAddress\n mstore(add(dataAreaEnd, 0x60), mload(add(sourceOffset, 0x60))) // senderAddress\n mstore(add(dataAreaEnd, 0x80), mload(add(sourceOffset, 0x80))) // makerAssetAmount\n mstore(add(dataAreaEnd, 0xA0), mload(add(sourceOffset, 0xA0))) // takerAssetAmount\n mstore(add(dataAreaEnd, 0xC0), mload(add(sourceOffset, 0xC0))) // makerFeeAmount\n mstore(add(dataAreaEnd, 0xE0), mload(add(sourceOffset, 0xE0))) // takerFeeAmount\n mstore(add(dataAreaEnd, 0x100), mload(add(sourceOffset, 0x100))) // expirationTimeSeconds\n mstore(add(dataAreaEnd, 0x120), mload(add(sourceOffset, 0x120))) // salt\n mstore(add(dataAreaEnd, 0x140), mload(add(sourceOffset, 0x140))) // Offset to makerAssetData\n mstore(add(dataAreaEnd, 0x160), mload(add(sourceOffset, 0x160))) // Offset to takerAssetData\n dataAreaEnd := add(dataAreaEnd, 0x180)\n sourceOffset := add(sourceOffset, 0x180)\n\n // Write offset to \n mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x140)) // makerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Write offset to \n mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x160)) // takerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n /////// Write takerAssetFillAmount ///////\n mstore(paramsAreaOffset, takerAssetFillAmount)\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n /////// Write signature ///////\n // Write offset to paramsArea\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n\n // Calculate length of signature\n sourceOffset := signature\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of signature\n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of signature\n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Set length of calldata\n mstore(fillOrderCalldata, sub(dataAreaEnd, add(fillOrderCalldata, 0x20)))\n\n // Increment free memory pointer\n mstore(0x40, dataAreaEnd)\n }\n\n return fillOrderCalldata;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\n// solhint-disable max-line-length\ncontract LibConstants {\n \n // Asset data for ZRX token. Used for fee transfers.\n // @TODO: Hardcode constant when we deploy. Currently \n // not constant to make testing easier.\n\n // The proxyId for ZRX_ASSET_DATA is bytes4(keccak256(\"ERC20Token(address)\")) = 0xf47261b0\n \n // Kovan ZRX address is 0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570.\n // The ABI encoded proxyId and address is 0xf47261b00000000000000000000000006ff6c0ff1d68b964901f986d4c9fa3ac68346570\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x6f\\xf6\\xc0\\xff\\x1d\\x68\\xb9\\x64\\x90\\x1f\\x98\\x6d\\x4c\\x9f\\xa3\\xac\\x68\\x34\\x65\\x70\";\n \n // Mainnet ZRX address is 0xe41d2489571d322189246dafa5ebde1f4699f498.\n // The ABI encoded proxyId and address is 0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xe4\\x1d\\x24\\x89\\x57\\x1d\\x32\\x21\\x89\\x24\\x6d\\xaf\\xa5\\xeb\\xde\\x1f\\x46\\x99\\xf4\\x98\";\n \n // solhint-disable-next-line var-name-mixedcase\n bytes public ZRX_ASSET_DATA;\n\n // @TODO: Remove when we deploy.\n constructor (bytes memory zrxAssetData)\n public\n {\n ZRX_ASSET_DATA = zrxAssetData;\n }\n}\n// solhint-enable max-line-length\n", + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract LibEIP712 {\n // EIP191 header for EIP712 prefix\n string constant internal EIP191_HEADER = \"\\x19\\x01\";\n\n // EIP712 Domain Name value\n string constant internal EIP712_DOMAIN_NAME = \"0x Protocol\";\n\n // EIP712 Domain Version value\n string constant internal EIP712_DOMAIN_VERSION = \"2\";\n\n // Hash of the EIP712 Domain Separator Schema\n bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"EIP712Domain(\",\n \"string name,\",\n \"string version,\",\n \"address verifyingContract\",\n \")\"\n ));\n\n // Hash of the EIP712 Domain Separator data\n // solhint-disable-next-line var-name-mixedcase\n bytes32 public EIP712_DOMAIN_HASH;\n\n constructor ()\n public\n {\n EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(\n EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,\n keccak256(bytes(EIP712_DOMAIN_NAME)),\n keccak256(bytes(EIP712_DOMAIN_VERSION)),\n bytes32(address(this))\n ));\n }\n\n /// @dev Calculates EIP712 encoding for a hash struct in this EIP712 Domain.\n /// @param hashStruct The EIP712 hash struct.\n /// @return EIP712 hash applied to this EIP712 Domain.\n function hashEIP712Message(bytes32 hashStruct)\n internal\n view\n returns (bytes32 result)\n {\n bytes32 eip712DomainHash = EIP712_DOMAIN_HASH;\n\n // Assembly for more efficient computing:\n // keccak256(abi.encodePacked(\n // EIP191_HEADER,\n // EIP712_DOMAIN_HASH,\n // hashStruct \n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, 0x1901000000000000000000000000000000000000000000000000000000000000) // EIP191 header\n mstore(add(memPtr, 2), eip712DomainHash) // EIP712 domain hash\n mstore(add(memPtr, 34), hashStruct) // Hash of struct\n\n // Compute hash\n result := keccak256(memPtr, 66)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity 0.4.24;\n\n\n/// @dev This contract documents the revert reasons used in the Exchange contract.\n/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons.\ncontract LibExchangeErrors {\n\n /// Order validation errors ///\n string constant ORDER_UNFILLABLE = \"ORDER_UNFILLABLE\"; // Order cannot be filled.\n string constant INVALID_MAKER = \"INVALID_MAKER\"; // Invalid makerAddress.\n string constant INVALID_TAKER = \"INVALID_TAKER\"; // Invalid takerAddress.\n string constant INVALID_SENDER = \"INVALID_SENDER\"; // Invalid `msg.sender`.\n string constant INVALID_ORDER_SIGNATURE = \"INVALID_ORDER_SIGNATURE\"; // Signature validation failed. \n \n /// fillOrder validation errors ///\n string constant INVALID_TAKER_AMOUNT = \"INVALID_TAKER_AMOUNT\"; // takerAssetFillAmount cannot equal 0.\n string constant ROUNDING_ERROR = \"ROUNDING_ERROR\"; // Rounding error greater than 0.1% of takerAssetFillAmount. \n \n /// Signature validation errors ///\n string constant INVALID_SIGNATURE = \"INVALID_SIGNATURE\"; // Signature validation failed. \n string constant SIGNATURE_ILLEGAL = \"SIGNATURE_ILLEGAL\"; // Signature type is illegal.\n string constant SIGNATURE_UNSUPPORTED = \"SIGNATURE_UNSUPPORTED\"; // Signature type unsupported.\n \n /// cancelOrdersUptTo errors ///\n string constant INVALID_NEW_ORDER_EPOCH = \"INVALID_NEW_ORDER_EPOCH\"; // Specified salt must be greater than or equal to existing orderEpoch.\n\n /// fillOrKillOrder errors ///\n string constant COMPLETE_FILL_FAILED = \"COMPLETE_FILL_FAILED\"; // Desired takerAssetFillAmount could not be completely filled. \n\n /// matchOrders errors ///\n string constant NEGATIVE_SPREAD_REQUIRED = \"NEGATIVE_SPREAD_REQUIRED\"; // Matched orders must have a negative spread.\n\n /// Transaction errors ///\n string constant REENTRANCY_ILLEGAL = \"REENTRANCY_ILLEGAL\"; // Recursive reentrancy is not allowed. \n string constant INVALID_TX_HASH = \"INVALID_TX_HASH\"; // Transaction has already been executed. \n string constant INVALID_TX_SIGNATURE = \"INVALID_TX_SIGNATURE\"; // Signature validation failed. \n string constant FAILED_EXECUTION = \"FAILED_EXECUTION\"; // Transaction execution failed. \n \n /// registerAssetProxy errors ///\n string constant ASSET_PROXY_ALREADY_EXISTS = \"ASSET_PROXY_ALREADY_EXISTS\"; // AssetProxy with same id already exists.\n\n /// dispatchTransferFrom errors ///\n string constant ASSET_PROXY_DOES_NOT_EXIST = \"ASSET_PROXY_DOES_NOT_EXIST\"; // No assetProxy registered at given id.\n string constant TRANSFER_FAILED = \"TRANSFER_FAILED\"; // Asset transfer unsuccesful.\n\n /// Length validation errors ///\n string constant LENGTH_GREATER_THAN_0_REQUIRED = \"LENGTH_GREATER_THAN_0_REQUIRED\"; // Byte array must have a length greater than 0.\n string constant LENGTH_GREATER_THAN_3_REQUIRED = \"LENGTH_GREATER_THAN_3_REQUIRED\"; // Byte array must have a length greater than 3.\n string constant LENGTH_0_REQUIRED = \"LENGTH_0_REQUIRED\"; // Byte array must have a length of 0.\n string constant LENGTH_65_REQUIRED = \"LENGTH_65_REQUIRED\"; // Byte array must have a length of 65.\n}\n", + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibFillResults is\n SafeMath\n{\n\n struct FillResults {\n uint256 makerAssetFilledAmount; // Total amount of makerAsset(s) filled.\n uint256 takerAssetFilledAmount; // Total amount of takerAsset(s) filled.\n uint256 makerFeePaid; // Total amount of ZRX paid by maker(s) to feeRecipient(s).\n uint256 takerFeePaid; // Total amount of ZRX paid by taker to feeRecipients(s).\n }\n\n struct MatchedFillResults {\n FillResults left; // Amounts filled and fees paid of left order.\n FillResults right; // Amounts filled and fees paid of right order.\n uint256 leftMakerAssetSpreadAmount; // Spread between price of left and right order, denominated in the left order's makerAsset, paid to taker.\n }\n\n /// @dev Adds properties of both FillResults instances.\n /// Modifies the first FillResults instance specified.\n /// @param totalFillResults Fill results instance that will be added onto.\n /// @param singleFillResults Fill results instance that will be added to totalFillResults.\n function addFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)\n internal\n pure\n {\n totalFillResults.makerAssetFilledAmount = safeAdd(totalFillResults.makerAssetFilledAmount, singleFillResults.makerAssetFilledAmount);\n totalFillResults.takerAssetFilledAmount = safeAdd(totalFillResults.takerAssetFilledAmount, singleFillResults.takerAssetFilledAmount);\n totalFillResults.makerFeePaid = safeAdd(totalFillResults.makerFeePaid, singleFillResults.makerFeePaid);\n totalFillResults.takerFeePaid = safeAdd(totalFillResults.takerFeePaid, singleFillResults.takerFeePaid);\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibMath.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibMath is\n SafeMath\n{\n\n /// @dev Calculates partial value given a numerator and denominator.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target.\n function getPartialAmount(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Checks if rounding error > 0.1%.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingError(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n uint256 remainder = mulmod(target, numerator, denominator);\n if (remainder == 0) {\n return false; // No rounding error.\n }\n\n uint256 errPercentageTimes1000000 = safeDiv(\n safeMul(remainder, 1000000),\n safeMul(numerator, target)\n );\n isError = errPercentageTimes1000000 > 1000;\n return isError;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibOrder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./LibEIP712.sol\";\n\n\ncontract LibOrder is\n LibEIP712\n{\n\n // Hash for the EIP712 Order Schema\n bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"Order(\",\n \"address makerAddress,\",\n \"address takerAddress,\",\n \"address feeRecipientAddress,\",\n \"address senderAddress,\",\n \"uint256 makerAssetAmount,\",\n \"uint256 takerAssetAmount,\",\n \"uint256 makerFee,\",\n \"uint256 takerFee,\",\n \"uint256 expirationTimeSeconds,\",\n \"uint256 salt,\",\n \"bytes makerAssetData,\",\n \"bytes takerAssetData\",\n \")\"\n ));\n\n // A valid order remains fillable until it is expired, fully filled, or cancelled.\n // An order's state is unaffected by external factors, like account balances.\n enum OrderStatus {\n INVALID, // Default value\n INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount\n INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount\n FILLABLE, // Order is fillable\n EXPIRED, // Order has already expired\n FULLY_FILLED, // Order is fully filled\n CANCELLED // Order has been cancelled\n }\n\n // solhint-disable max-line-length\n struct Order {\n address makerAddress; // Address that created the order. \n address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order. \n address feeRecipientAddress; // Address that will recieve fees when order is filled. \n address senderAddress; // Address that is allowed to call Exchange contract methods that affect this order. If set to 0, any address is allowed to call these methods.\n uint256 makerAssetAmount; // Amount of makerAsset being offered by maker. Must be greater than 0. \n uint256 takerAssetAmount; // Amount of takerAsset being bid on by maker. Must be greater than 0. \n uint256 makerFee; // Amount of ZRX paid to feeRecipient by maker when order is filled. If set to 0, no transfer of ZRX from maker to feeRecipient will be attempted.\n uint256 takerFee; // Amount of ZRX paid to feeRecipient by taker when order is filled. If set to 0, no transfer of ZRX from taker to feeRecipient will be attempted.\n uint256 expirationTimeSeconds; // Timestamp in seconds at which order expires. \n uint256 salt; // Arbitrary number to facilitate uniqueness of the order's hash. \n bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.\n bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.\n }\n // solhint-enable max-line-length\n\n struct OrderInfo {\n uint8 orderStatus; // Status that describes order's validity and fillability.\n bytes32 orderHash; // EIP712 hash of the order (see LibOrder.getOrderHash).\n uint256 orderTakerAssetFilledAmount; // Amount of order that has already been filled.\n }\n\n /// @dev Calculates Keccak-256 hash of the order.\n /// @param order The order structure.\n /// @return Keccak-256 EIP712 hash of the order.\n function getOrderHash(Order memory order)\n internal\n view\n returns (bytes32 orderHash)\n {\n orderHash = hashEIP712Message(hashOrder(order));\n return orderHash;\n }\n\n /// @dev Calculates EIP712 hash of the order.\n /// @param order The order structure.\n /// @return EIP712 hash of the order.\n function hashOrder(Order memory order)\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ORDER_SCHEMA_HASH;\n bytes32 makerAssetDataHash = keccak256(order.makerAssetData);\n bytes32 takerAssetDataHash = keccak256(order.takerAssetData);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ORDER_SCHEMA_HASH,\n // bytes32(order.makerAddress),\n // bytes32(order.takerAddress),\n // bytes32(order.feeRecipientAddress),\n // bytes32(order.senderAddress),\n // order.makerAssetAmount,\n // order.takerAssetAmount,\n // order.makerFee,\n // order.takerFee,\n // order.expirationTimeSeconds,\n // order.salt,\n // keccak256(order.makerAssetData),\n // keccak256(order.takerAssetData)\n // ));\n\n assembly {\n // Calculate memory addresses that will be swapped out before hashing\n let pos1 := sub(order, 32)\n let pos2 := add(order, 320)\n let pos3 := add(order, 352)\n\n // Backup\n let temp1 := mload(pos1)\n let temp2 := mload(pos2)\n let temp3 := mload(pos3)\n \n // Hash in place\n mstore(pos1, schemaHash)\n mstore(pos2, makerAssetDataHash)\n mstore(pos3, takerAssetDataHash)\n result := keccak256(pos1, 416)\n \n // Restore\n mstore(pos1, temp1)\n mstore(pos2, temp2)\n mstore(pos3, temp3)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssetProxyDispatcher.sol\";\n\n\ncontract MAssetProxyDispatcher is\n IAssetProxyDispatcher\n{\n\n // Logs registration of new asset proxy\n event AssetProxyRegistered(\n bytes4 id, // Id of new registered AssetProxy.\n address assetProxy // Address of new registered AssetProxy.\n );\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IExchangeCore.sol\";\n\n\ncontract MExchangeCore is\n IExchangeCore\n{\n // Fill event is emitted whenever an order is filled.\n event Fill(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that received fees.\n address takerAddress, // Address that filled the order.\n address senderAddress, // Address that called the Exchange contract (msg.sender).\n uint256 makerAssetFilledAmount, // Amount of makerAsset sold by maker and bought by taker. \n uint256 takerAssetFilledAmount, // Amount of takerAsset sold by taker and bought by maker.\n uint256 makerFeePaid, // Amount of ZRX paid to feeRecipient by maker.\n uint256 takerFeePaid, // Amount of ZRX paid to feeRecipient by taker.\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // Cancel event is emitted whenever an individual order is cancelled.\n event Cancel(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that would have recieved fees if order was filled. \n address senderAddress, // Address that called the Exchange contract (msg.sender).\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // CancelUpTo event is emitted whenever `cancelOrdersUpTo` is executed succesfully.\n event CancelUpTo(\n address indexed makerAddress, // Orders cancelled must have been created by this address.\n address indexed senderAddress, // Orders cancelled must have a `senderAddress` equal to this address.\n uint256 orderEpoch // Orders with specified makerAddress and senderAddress with a salt less than this value are considered cancelled.\n );\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function updateFilledState(\n LibOrder.Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n LibFillResults.FillResults memory fillResults\n )\n internal;\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n LibOrder.Order memory order,\n bytes32 orderHash\n )\n internal;\n\n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo Status, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param signature Proof that the orders was created by its maker.\n function assertValidFill(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n address takerAddress,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n bytes memory signature\n )\n internal\n view;\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo\n )\n internal\n view;\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n LibOrder.Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.FillResults memory fillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IMatchOrders.sol\";\n\n\ncontract MMatchOrders is\n IMatchOrders\n{\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure;\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/ISignatureValidator.sol\";\n\n\ncontract MSignatureValidator is\n ISignatureValidator\n{\n event SignatureValidatorApproval(\n address indexed signerAddress, // Address that approves or disapproves a contract to verify signatures.\n address indexed validatorAddress, // Address of signature validator contract.\n bool approved // Approval or disapproval of validator contract.\n );\n\n // Allowed signature types.\n enum SignatureType {\n Illegal, // 0x00, default value\n Invalid, // 0x01\n EIP712, // 0x02\n EthSign, // 0x03\n Caller, // 0x04\n Wallet, // 0x05\n Validator, // 0x06\n PreSigned, // 0x07\n Trezor, // 0x08\n NSignatureTypes // 0x09, number of signature types. Always leave at end.\n }\n}\n", + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"../interfaces/ITransactions.sol\";\n\n\ncontract MTransactions is\n ITransactions\n{\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address);\n}\n", + "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/MintableERC20Token.sol\";\n\n\ncontract DummyERC20Token is \n Ownable,\n MintableERC20Token\n{\n string public name;\n string public symbol;\n uint256 public decimals;\n uint256 public constant MAX_MINT_AMOUNT = 10000000000000000000000;\n\n constructor (\n string _name,\n string _symbol,\n uint256 _decimals,\n uint256 _totalSupply\n )\n public\n {\n name = _name;\n symbol = _symbol;\n decimals = _decimals;\n _totalSupply = _totalSupply;\n balances[msg.sender] = _totalSupply;\n }\n\n /// @dev Sets the balance of target address\n /// @param _target Address or which balance will be updated\n /// @param _value New balance of target address\n function setBalance(address _target, uint256 _value)\n external\n onlyOwner\n {\n uint256 currBalance = balances[_target];\n if (_value < currBalance) {\n _totalSupply = safeSub(_totalSupply, safeSub(currBalance, _value));\n } else {\n _totalSupply = safeAdd(_totalSupply, safeSub(_value, currBalance));\n }\n balances[_target] = _value;\n }\n\n /// @dev Mints new tokens for sender\n /// @param _value Amount of tokens to mint\n function mint(uint256 _value)\n external\n {\n require(\n _value <= MAX_MINT_AMOUNT,\n \"VALUE_TOO_LARGE\"\n );\n\n _mint(msg.sender, _value);\n }\n}\n", + "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../tokens/ERC721Token/MintableERC721Token.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract DummyERC721Token is\n Ownable,\n MintableERC721Token\n{\n string public name;\n string public symbol;\n\n constructor (\n string _name,\n string _symbol\n )\n public\n {\n name = _name;\n symbol = _symbol;\n }\n\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function mint(address _to, uint256 _tokenId)\n external\n {\n _mint(_to, _tokenId);\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist or not called by contract owner\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function burn(address _owner, uint256 _tokenId)\n external\n onlyOwner\n {\n _burn(_owner, _tokenId);\n }\n}\n", + "2.0.0/tokens/ERC20Token/ERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC20Token.sol\";\n\n\ncontract ERC20Token is\n IERC20Token\n{\n\n mapping (address => uint256) internal balances;\n mapping (address => mapping (address => uint256)) internal allowed;\n\n uint256 internal _totalSupply;\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool)\n {\n require(\n balances[msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[msg.sender] -= _value;\n balances[_to] += _value;\n\n emit Transfer(\n msg.sender,\n _to,\n _value\n );\n\n return true;\n }\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowed[_from][msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n allowed[_from][msg.sender] -= _value;\n \n emit Transfer(\n _from,\n _to,\n _value\n );\n \n return true;\n }\n\n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool)\n {\n allowed[msg.sender][_spender] = _value;\n emit Approval(\n msg.sender,\n _spender,\n _value\n );\n return true;\n }\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256)\n {\n return _totalSupply;\n }\n\n /// @dev Query the balance of owner\n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n return balances[_owner];\n }\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256)\n {\n return allowed[_owner][_spender];\n }\n}\n", + "2.0.0/tokens/ERC20Token/IERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n \n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n \n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", + "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/SafeMath/SafeMath.sol\";\nimport \"./UnlimitedAllowanceERC20Token.sol\";\n\n\ncontract MintableERC20Token is \n SafeMath,\n UnlimitedAllowanceERC20Token\n{\n\n /// @dev Mints new tokens\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _value Amount of tokens to mint\n function _mint(address _to, uint256 _value)\n internal\n {\n balances[_to] = safeAdd(_value, balances[_to]);\n _totalSupply = safeAdd(_totalSupply, _value);\n\n emit Transfer(\n address(0),\n _to,\n _value\n );\n }\n\n /// @dev Mints new tokens\n /// @param _owner Owner of tokens that will be burned\n /// @param _value Amount of tokens to burn\n function _burn(address _owner, uint256 _value)\n internal\n {\n balances[_owner] = safeSub(balances[_owner], _value);\n _totalSupply = safeSub(_totalSupply, _value);\n\n emit Transfer(\n _owner,\n address(0),\n _value\n );\n }\n}\n", + "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/ERC20Token.sol\";\n\n\ncontract UnlimitedAllowanceERC20Token is\n ERC20Token\n{\n\n uint256 constant internal MAX_UINT = 2**256 - 1;\n\n /// @dev ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited allowance. See https://github.com/ethereum/EIPs/issues/717\n /// @param _from Address to transfer from.\n /// @param _to Address to transfer to.\n /// @param _value Amount to transfer.\n /// @return Success of transfer.\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n uint256 allowance = allowed[_from][msg.sender];\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowance >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n if (allowance < MAX_UINT) {\n allowed[_from][msg.sender] -= _value;\n }\n\n emit Transfer(\n _from,\n _to,\n _value\n );\n\n return true;\n }\n}\n", + "2.0.0/tokens/ERC721Token/ERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC721Token.sol\";\nimport \"./IERC721Receiver.sol\";\nimport \"../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract ERC721Token is\n IERC721Token,\n SafeMath\n{\n // Function selector for ERC721Receiver.onERC721Received\n // 0x150b7a02\n bytes4 constant internal ERC721_RECEIVED = bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"));\n\n // Mapping of tokenId => owner\n mapping (uint256 => address) internal owners;\n\n // Mapping of tokenId => approved address\n mapping (uint256 => address) internal approvals;\n\n // Mapping of owner => number of tokens owned\n mapping (address => uint256) internal balances;\n\n // Mapping of owner => operator => approved\n mapping (address => mapping (address => bool)) internal operatorApprovals;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n _data\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n \"\"\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external\n {\n address owner = ownerOf(_tokenId);\n require(\n msg.sender == owner || isApprovedForAll(owner, msg.sender),\n \"ERC721_INVALID_SENDER\"\n );\n\n approvals[_tokenId] = _approved;\n emit Approval(\n owner,\n _approved,\n _tokenId\n );\n }\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external\n {\n operatorApprovals[msg.sender][_operator] = _approved;\n emit ApprovalForAll(\n msg.sender,\n _operator,\n _approved\n );\n }\n \n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return balances[_owner];\n }\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = ownerOf(_tokenId);\n require(\n _from == owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n address spender = msg.sender;\n address approvedAddress = getApproved(_tokenId);\n require(\n spender == owner ||\n isApprovedForAll(owner, spender) ||\n approvedAddress == spender,\n \"ERC721_INVALID_SPENDER\"\n );\n\n if (approvedAddress != address(0)) {\n approvals[_tokenId] = address(0);\n }\n\n owners[_tokenId] = _to;\n balances[_from] = safeSub(balances[_from], 1);\n balances[_to] = safeAdd(balances[_to], 1);\n \n emit Transfer(\n _from,\n _to,\n _tokenId\n );\n }\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address)\n {\n address owner = owners[_tokenId];\n require(\n owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return owner;\n }\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId)\n public\n view\n returns (address)\n {\n return approvals[_tokenId];\n }\n\n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool)\n {\n return operatorApprovals[_owner][_operator];\n }\n}\n", + "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Receiver {\n\n /// @notice Handle the receipt of an NFT\n /// @dev The ERC721 smart contract calls this function on the recipient\n /// after a `transfer`. This function MAY throw to revert and reject the\n /// transfer. Return of other than the magic value MUST result in the\n /// transaction being reverted.\n /// Note: the contract address is always the message sender.\n /// @param _operator The address which called `safeTransferFrom` function\n /// @param _from The address which previously owned the token\n /// @param _tokenId The NFT identifier which is being transferred\n /// @param _data Additional data with no specified format\n /// @return `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`\n /// unless throwing\n function onERC721Received(\n address _operator,\n address _from,\n uint256 _tokenId,\n bytes _data\n )\n external\n returns (bytes4);\n}\n", + "2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Token {\n\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(\n address indexed _owner,\n address indexed _approved,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(\n address indexed _owner,\n address indexed _operator,\n bool _approved\n );\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// perator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external;\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public;\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address);\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) \n public\n view\n returns (address);\n \n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool);\n}\n", + "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./ERC721Token.sol\";\n\n\ncontract MintableERC721Token is\n ERC721Token\n{\n\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function _mint(address _to, uint256 _tokenId)\n internal\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == address(0),\n \"ERC721_OWNER_ALREADY_EXISTS\"\n );\n\n owners[_tokenId] = _to;\n balances[_to] = safeAdd(balances[_to], 1);\n\n emit Transfer(\n address(0),\n _to,\n _tokenId\n );\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function _burn(address _owner, uint256 _tokenId)\n internal\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == _owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n owners[_tokenId] = address(0);\n balances[_owner] = safeSub(balances[_owner], 1);\n\n emit Transfer(\n _owner,\n address(0),\n _tokenId\n );\n }\n}\n", + "2.0.0/tokens/EtherToken/IEtherToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/IERC20Token.sol\";\n\n\ncontract IEtherToken is\n IERC20Token\n{\n function deposit()\n public\n payable;\n \n function withdraw(uint256 amount)\n public;\n}\n", + "2.0.0/utils/LibBytes/LibBytes.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\nlibrary LibBytes {\n\n using LibBytes for bytes;\n\n /// @dev Gets the memory address for a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of byte array. This\n /// points to the header of the byte array which contains\n /// the length.\n function rawAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := input\n }\n return memoryAddress;\n }\n \n /// @dev Gets the memory address for the contents of a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of the contents of the byte array.\n function contentAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := add(input, 32)\n }\n return memoryAddress;\n }\n\n /// @dev Copies `length` bytes from memory location `source` to `dest`.\n /// @param dest memory address to copy bytes to.\n /// @param source memory address to copy bytes from.\n /// @param length number of bytes to copy.\n function memCopy(\n uint256 dest,\n uint256 source,\n uint256 length\n )\n internal\n pure\n {\n if (length < 32) {\n // Handle a partial word by reading destination and masking\n // off the bits we are interested in.\n // This correctly handles overlap, zero lengths and source == dest\n assembly {\n let mask := sub(exp(256, sub(32, length)), 1)\n let s := and(mload(source), not(mask))\n let d := and(mload(dest), mask)\n mstore(dest, or(s, d))\n }\n } else {\n // Skip the O(length) loop when source == dest.\n if (source == dest) {\n return;\n }\n\n // For large copies we copy whole words at a time. The final\n // word is aligned to the end of the range (instead of after the\n // previous) to handle partial words. So a copy will look like this:\n //\n // ####\n // ####\n // ####\n // ####\n //\n // We handle overlap in the source and destination range by\n // changing the copying direction. This prevents us from\n // overwriting parts of source that we still need to copy.\n //\n // This correctly handles source == dest\n //\n if (source > dest) {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because it\n // is easier to compare with in the loop, and these\n // are also the addresses we need for copying the\n // last bytes.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the last 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the last bytes in\n // source already due to overlap.\n let last := mload(sEnd)\n\n // Copy whole words front to back\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} lt(source, sEnd) {} {\n mstore(dest, mload(source))\n source := add(source, 32)\n dest := add(dest, 32)\n }\n \n // Write the last 32 bytes\n mstore(dEnd, last)\n }\n } else {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because those\n // are the starting points when copying a word at the end.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the first 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the first bytes in\n // source already due to overlap.\n let first := mload(source)\n\n // Copy whole words back to front\n // We use a signed comparisson here to allow dEnd to become\n // negative (happens when source and dest < 32). Valid\n // addresses in local memory will never be larger than\n // 2**255, so they can be safely re-interpreted as signed.\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} slt(dest, dEnd) {} {\n mstore(dEnd, mload(sEnd))\n sEnd := sub(sEnd, 32)\n dEnd := sub(dEnd, 32)\n }\n \n // Write the first 32 bytes\n mstore(dest, first)\n }\n }\n }\n }\n\n /// @dev Returns a slices from a byte array.\n /// @param b The byte array to take a slice from.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n function slice(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure and copy contents\n result = new bytes(to - from);\n memCopy(\n result.contentAddress(),\n b.contentAddress() + from,\n result.length);\n return result;\n }\n \n /// @dev Returns a slice from a byte array without preserving the input.\n /// @param b The byte array to take a slice from. Will be destroyed in the process.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n /// @dev When `from == 0`, the original array will match the slice. In other cases its state will be corrupted.\n function sliceDestructive(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure around [from, to) in-place.\n assembly {\n result := add(b, from)\n mstore(result, sub(to, from))\n }\n return result;\n }\n\n /// @dev Pops the last byte off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The byte that was popped off.\n function popLastByte(bytes memory b)\n internal\n pure\n returns (bytes1 result)\n {\n require(\n b.length > 0,\n \"GREATER_THAN_ZERO_LENGTH_REQUIRED\"\n );\n\n // Store last byte.\n result = b[b.length - 1];\n\n assembly {\n // Decrement length of byte array.\n let newLen := sub(mload(b), 1)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Pops the last 20 bytes off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The 20 byte address that was popped off.\n function popLast20Bytes(bytes memory b)\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= 20,\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Store last 20 bytes.\n result = readAddress(b, b.length - 20);\n\n assembly {\n // Subtract 20 from byte array length.\n let newLen := sub(mload(b), 20)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Tests equality of two byte arrays.\n /// @param lhs First byte array to compare.\n /// @param rhs Second byte array to compare.\n /// @return True if arrays are the same. False otherwise.\n function equals(\n bytes memory lhs,\n bytes memory rhs\n )\n internal\n pure\n returns (bool equal)\n {\n // Keccak gas cost is 30 + numWords * 6. This is a cheap way to compare.\n // We early exit on unequal lengths, but keccak would also correctly\n // handle this.\n return lhs.length == rhs.length && keccak256(lhs) == keccak256(rhs);\n }\n\n /// @dev Reads an address from a position in a byte array.\n /// @param b Byte array containing an address.\n /// @param index Index in byte array of address.\n /// @return address from byte array.\n function readAddress(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Read address from array memory\n assembly {\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 20-byte mask to obtain address\n result := and(mload(add(b, index)), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n return result;\n }\n\n /// @dev Writes an address into a specific position in a byte array.\n /// @param b Byte array to insert address into.\n /// @param index Index in byte array of address.\n /// @param input Address to put into byte array.\n function writeAddress(\n bytes memory b,\n uint256 index,\n address input\n )\n internal\n pure\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Store address into array memory\n assembly {\n // The address occupies 20 bytes and mstore stores 32 bytes.\n // First fetch the 32-byte word where we'll be storing the address, then\n // apply a mask so we have only the bytes in the word that the address will not occupy.\n // Then combine these bytes with the address and store the 32 bytes back to memory with mstore.\n\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 12-byte mask to obtain extra bytes occupying word of memory where we'll store the address\n let neighbors := and(\n mload(add(b, index)),\n 0xffffffffffffffffffffffff0000000000000000000000000000000000000000\n )\n \n // Make sure input address is clean.\n // (Solidity does not guarantee this)\n input := and(input, 0xffffffffffffffffffffffffffffffffffffffff)\n\n // Store the neighbors and address into memory\n mstore(add(b, index), xor(input, neighbors))\n }\n }\n\n /// @dev Reads a bytes32 value from a position in a byte array.\n /// @param b Byte array containing a bytes32 value.\n /// @param index Index in byte array of bytes32 value.\n /// @return bytes32 value from byte array.\n function readBytes32(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes32 result)\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n result := mload(add(b, index))\n }\n return result;\n }\n\n /// @dev Writes a bytes32 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes32 to put into byte array.\n function writeBytes32(\n bytes memory b,\n uint256 index,\n bytes32 input\n )\n internal\n pure\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n mstore(add(b, index), input)\n }\n }\n\n /// @dev Reads a uint256 value from a position in a byte array.\n /// @param b Byte array containing a uint256 value.\n /// @param index Index in byte array of uint256 value.\n /// @return uint256 value from byte array.\n function readUint256(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (uint256 result)\n {\n return uint256(readBytes32(b, index));\n }\n\n /// @dev Writes a uint256 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input uint256 to put into byte array.\n function writeUint256(\n bytes memory b,\n uint256 index,\n uint256 input\n )\n internal\n pure\n {\n writeBytes32(b, index, bytes32(input));\n }\n\n /// @dev Reads an unpadded bytes4 value from a position in a byte array.\n /// @param b Byte array containing a bytes4 value.\n /// @param index Index in byte array of bytes4 value.\n /// @return bytes4 value from byte array.\n function readBytes4(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes4 result)\n {\n require(\n b.length >= index + 4,\n \"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED\"\n );\n assembly {\n result := mload(add(b, 32))\n // Solidity does not require us to clean the trailing bytes.\n // We do it anyway\n result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)\n }\n return result;\n }\n\n /// @dev Reads nested bytes from a specific position.\n /// @dev NOTE: the returned value overlaps with the input value.\n /// Both should be treated as immutable.\n /// @param b Byte array containing nested bytes.\n /// @param index Index of nested bytes.\n /// @return result Nested bytes.\n function readBytesWithLength(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes memory result)\n {\n // Read length of nested bytes\n uint256 nestedBytesLength = readUint256(b, index);\n index += 32;\n\n // Assert length of is valid, given\n // length of nested bytes\n require(\n b.length >= index + nestedBytesLength,\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n \n // Return a pointer to the byte array as it exists inside `b`\n assembly {\n result := add(b, index)\n }\n return result;\n }\n\n /// @dev Inserts bytes at a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes to insert.\n function writeBytesWithLength(\n bytes memory b,\n uint256 index,\n bytes memory input\n )\n internal\n pure\n {\n // Assert length of is valid, given\n // length of input\n require(\n b.length >= index + 32 + input.length, // 32 bytes to store length\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n\n // Copy into \n memCopy(\n b.contentAddress() + index,\n input.rawAddress(), // includes length of \n input.length + 32 // +32 bytes to store length\n );\n }\n\n /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length.\n /// @param dest Byte array that will be overwritten with source bytes.\n /// @param source Byte array to copy onto dest bytes.\n function deepCopyBytes(\n bytes memory dest,\n bytes memory source\n )\n internal\n pure\n {\n uint256 sourceLen = source.length;\n // Dest length must be >= source length, or some bytes would not be copied.\n require(\n dest.length >= sourceLen,\n \"GREATER_OR_EQUAL_TO_SOURCE_BYTES_LENGTH_REQUIRED\"\n );\n memCopy(\n dest.contentAddress(),\n source.contentAddress(),\n sourceLen\n );\n }\n}\n", + "2.0.0/utils/Ownable/IOwnable.sol": "pragma solidity 0.4.24;\n\n/*\n * Ownable\n *\n * Base contract with an owner.\n * Provides onlyOwner modifier, which prevents function from running if it is called by anyone other than the owner.\n */\n\ncontract IOwnable {\n function transferOwnership(address newOwner)\n public;\n}\n", + "2.0.0/utils/Ownable/Ownable.sol": "pragma solidity 0.4.24;\n\n/*\n * Ownable\n *\n * Base contract with an owner.\n * Provides onlyOwner modifier, which prevents function from running if it is called by anyone other than the owner.\n */\n\nimport \"./IOwnable.sol\";\n\n\ncontract Ownable is IOwnable {\n address public owner;\n\n constructor ()\n public\n {\n owner = msg.sender;\n }\n\n modifier onlyOwner() {\n require(\n msg.sender == owner,\n \"ONLY_CONTRACT_OWNER\"\n );\n _;\n }\n\n function transferOwnership(address newOwner)\n public\n onlyOwner\n {\n if (newOwner != address(0)) {\n owner = newOwner;\n }\n }\n}\n", + "2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n function safeMul(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(\n c / a == b,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function safeDiv(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a / b;\n return c;\n }\n\n function safeSub(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n require(\n b <= a,\n \"UINT256_UNDERFLOW\"\n );\n return a - b;\n }\n\n function safeAdd(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a + b;\n require(\n c >= a,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function max64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n\n function max256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n}\n" + }, + "sourceTreeHashHex": "0x70b7d3c15ab87e6b4b1011d194282163232dfd88486038e4120d6bf245d58e44", + "compiler": { + "name": "solc", + "version": "soljson-v0.4.24+commit.e67f0147.js", + "settings": { + "optimizer": { + "enabled": true, + "runs": 1000000 + }, + "outputSelection": { + "*": { + "*": [ + "abi", + "evm.bytecode.object", + "evm.bytecode.sourceMap", + "evm.deployedBytecode.object", + "evm.deployedBytecode.sourceMap" + ] + } + } + } + }, + "networks": {} +} \ No newline at end of file diff --git a/packages/migrations/artifacts/2.0.0-mainnet/WETH9.json b/packages/migrations/artifacts/2.0.0-mainnet/WETH9.json new file mode 100644 index 000000000..8cca84e41 --- /dev/null +++ b/packages/migrations/artifacts/2.0.0-mainnet/WETH9.json @@ -0,0 +1,346 @@ +{ + "schemaVersion": "2.0.0", + "contractName": "WETH9", + "compilerOutput": { + "abi": [ + { + "constant": true, + "inputs": [], + "name": "name", + "outputs": [ + { + "name": "", + "type": "string" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "guy", + "type": "address" + }, + { + "name": "wad", + "type": "uint256" + } + ], + "name": "approve", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "totalSupply", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "src", + "type": "address" + }, + { + "name": "dst", + "type": "address" + }, + { + "name": "wad", + "type": "uint256" + } + ], + "name": "transferFrom", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "wad", + "type": "uint256" + } + ], + "name": "withdraw", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "decimals", + "outputs": [ + { + "name": "", + "type": "uint8" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "", + "type": "address" + } + ], + "name": "balanceOf", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "symbol", + "outputs": [ + { + "name": "", + "type": "string" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "dst", + "type": "address" + }, + { + "name": "wad", + "type": "uint256" + } + ], + "name": "transfer", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [], + "name": "deposit", + "outputs": [], + "payable": true, + "stateMutability": "payable", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "", + "type": "address" + }, + { + "name": "", + "type": "address" + } + ], + "name": "allowance", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "payable": true, + "stateMutability": "payable", + "type": "fallback" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "_owner", + "type": "address" + }, + { + "indexed": true, + "name": "_spender", + "type": "address" + }, + { + "indexed": false, + "name": "_value", + "type": "uint256" + } + ], + "name": "Approval", + "type": "event" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "_from", + "type": "address" + }, + { + "indexed": true, + "name": "_to", + "type": "address" + }, + { + "indexed": false, + "name": "_value", + "type": "uint256" + } + ], + "name": "Transfer", + "type": "event" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "_owner", + "type": "address" + }, + { + "indexed": false, + "name": "_value", + "type": "uint256" + } + ], + "name": "Deposit", + "type": "event" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "_owner", + "type": "address" + }, + { + "indexed": false, + "name": "_value", + "type": "uint256" + } + ], + "name": "Withdrawal", + "type": "event" + } + ], + "evm": { + "bytecode": { + "linkReferences": {}, + "object": 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+ "opcodes": "PUSH1 0xC0 PUSH1 0x40 MSTORE PUSH1 0xD PUSH1 0x80 DUP2 SWAP1 MSTORE PUSH32 0x5772617070656420457468657200000000000000000000000000000000000000 PUSH1 0xA0 SWAP1 DUP2 MSTORE PUSH2 0x3E SWAP2 PUSH1 0x0 SWAP2 SWAP1 PUSH2 0xA3 JUMP JUMPDEST POP PUSH1 0x40 DUP1 MLOAD DUP1 DUP3 ADD SWAP1 SWAP2 MSTORE PUSH1 0x4 DUP1 DUP3 MSTORE PUSH32 0x5745544800000000000000000000000000000000000000000000000000000000 PUSH1 0x20 SWAP1 SWAP3 ADD SWAP2 DUP3 MSTORE PUSH2 0x83 SWAP2 PUSH1 0x1 SWAP2 PUSH2 0xA3 JUMP JUMPDEST POP PUSH1 0x2 DUP1 SLOAD PUSH1 0xFF NOT AND PUSH1 0x12 OR SWAP1 SSTORE CALLVALUE DUP1 ISZERO PUSH2 0x9D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x13E JUMP JUMPDEST DUP3 DUP1 SLOAD PUSH1 0x1 DUP2 PUSH1 0x1 AND ISZERO PUSH2 0x100 MUL SUB AND PUSH1 0x2 SWAP1 DIV SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 PUSH1 0x1F ADD PUSH1 0x20 SWAP1 DIV DUP2 ADD SWAP3 DUP3 PUSH1 0x1F LT PUSH2 0xE4 JUMPI DUP1 MLOAD PUSH1 0xFF NOT AND DUP4 DUP1 ADD OR DUP6 SSTORE PUSH2 0x111 JUMP JUMPDEST DUP3 DUP1 ADD PUSH1 0x1 ADD DUP6 SSTORE DUP3 ISZERO PUSH2 0x111 JUMPI SWAP2 DUP3 ADD JUMPDEST DUP3 DUP2 GT ISZERO PUSH2 0x111 JUMPI DUP3 MLOAD DUP3 SSTORE SWAP2 PUSH1 0x20 ADD SWAP2 SWAP1 PUSH1 0x1 ADD SWAP1 PUSH2 0xF6 JUMP JUMPDEST POP PUSH2 0x11D SWAP3 SWAP2 POP PUSH2 0x121 JUMP JUMPDEST POP SWAP1 JUMP JUMPDEST PUSH2 0x13B SWAP2 SWAP1 JUMPDEST DUP1 DUP3 GT ISZERO PUSH2 0x11D JUMPI PUSH1 0x0 DUP2 SSTORE PUSH1 0x1 ADD PUSH2 0x127 JUMP JUMPDEST SWAP1 JUMP JUMPDEST PUSH2 0x768 DUP1 PUSH2 0x14D PUSH1 0x0 CODECOPY PUSH1 0x0 RETURN STOP PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0xAE JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x6FDDE03 DUP2 EQ PUSH2 0xB8 JUMPI DUP1 PUSH4 0x95EA7B3 EQ PUSH2 0x142 JUMPI DUP1 PUSH4 0x18160DDD EQ PUSH2 0x187 JUMPI DUP1 PUSH4 0x23B872DD EQ PUSH2 0x1AE JUMPI DUP1 PUSH4 0x2E1A7D4D EQ PUSH2 0x1E5 JUMPI DUP1 PUSH4 0x313CE567 EQ PUSH2 0x1FD JUMPI DUP1 PUSH4 0x70A08231 EQ PUSH2 0x228 JUMPI DUP1 PUSH4 0x95D89B41 EQ PUSH2 0x256 JUMPI DUP1 PUSH4 0xA9059CBB EQ PUSH2 0x26B JUMPI DUP1 PUSH4 0xD0E30DB0 EQ PUSH2 0xAE JUMPI DUP1 PUSH4 0xDD62ED3E EQ PUSH2 0x29C JUMPI JUMPDEST PUSH2 0xB6 PUSH2 0x2D0 JUMP JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xC4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xCD PUSH2 0x31F JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 ADD SWAP1 DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x107 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0xEF JUMP JUMPDEST POP POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x134 JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x14E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x173 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x3CB JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x193 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19C PUSH2 0x43E JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1BA JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x173 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x443 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1F1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xB6 PUSH1 0x4 CALLDATALOAD PUSH2 0x5E3 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x209 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x212 PUSH2 0x678 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0xFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x234 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19C PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x681 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x262 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xCD PUSH2 0x693 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x277 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x173 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x70B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2A8 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19C PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0x71F JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP2 DUP3 SWAP1 KECCAK256 DUP1 SLOAD CALLVALUE SWAP1 DUP2 ADD SWAP1 SWAP2 SSTORE DUP3 MLOAD SWAP1 DUP2 MSTORE SWAP2 MLOAD PUSH32 0xE1FFFCC4923D04B559F4D29A8BFC6CDA04EB5B0D3C460751C2402C5C5CC9109C SWAP3 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG2 JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x3C3 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x398 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x3C3 JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x3A6 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP DUP2 JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP1 DUP6 MSTORE SWAP1 DUP4 MSTORE DUP2 DUP5 KECCAK256 DUP7 SWAP1 SSTORE DUP2 MLOAD DUP7 DUP2 MSTORE SWAP2 MLOAD SWAP4 SWAP5 SWAP1 SWAP4 SWAP1 SWAP3 PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 SWAP3 DUP3 SWAP1 SUB ADD SWAP1 LOG3 POP PUSH1 0x1 SWAP3 SWAP2 POP POP JUMP JUMPDEST ADDRESS BALANCE SWAP1 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 SLOAD DUP3 GT ISZERO PUSH2 0x475 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND CALLER EQ DUP1 ISZERO SWAP1 PUSH2 0x4EB JUMPI POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP5 MSTORE SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF EQ ISZERO JUMPDEST ISZERO PUSH2 0x565 JUMPI PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP5 MSTORE SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 SLOAD DUP3 GT ISZERO PUSH2 0x52D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP5 MSTORE SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 DUP1 SLOAD DUP4 SWAP1 SUB SWAP1 SSTORE JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP6 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 DUP1 SLOAD DUP9 SWAP1 SUB SWAP1 SSTORE SWAP4 DUP8 AND DUP1 DUP4 MSTORE SWAP2 DUP5 SWAP1 KECCAK256 DUP1 SLOAD DUP8 ADD SWAP1 SSTORE DUP4 MLOAD DUP7 DUP2 MSTORE SWAP4 MLOAD SWAP2 SWAP4 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP3 SWAP1 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP PUSH1 0x1 SWAP4 SWAP3 POP POP POP JUMP JUMPDEST CALLER PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP2 GT ISZERO PUSH2 0x5FF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD DUP6 SWAP1 SUB SWAP1 SSTORE MLOAD DUP4 ISZERO PUSH2 0x8FC MUL SWAP2 DUP5 SWAP2 SWAP1 DUP2 DUP2 DUP2 DUP6 DUP9 DUP9 CALL SWAP4 POP POP POP POP ISZERO DUP1 ISZERO PUSH2 0x63E JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP PUSH1 0x40 DUP1 MLOAD DUP3 DUP2 MSTORE SWAP1 MLOAD CALLER SWAP2 PUSH32 0x7FCF532C15F0A6DB0BD6D0E038BEA71D30D808C7D98CB3BF7268A95BF5081B65 SWAP2 SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 LOG2 POP JUMP JUMPDEST PUSH1 0x2 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x1 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 DUP5 DUP7 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x3C3 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x398 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x3C3 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x718 CALLER DUP5 DUP5 PUSH2 0x443 JUMP JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x0 SWAP3 DUP4 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 SWAP1 SWAP2 MSTORE SWAP1 DUP3 MSTORE SWAP1 KECCAK256 SLOAD DUP2 JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 0x22 DUP10 DUP2 CALL 0x1f 0x47 0xad SWAP7 ADDRESS ADDMOD STOP PUSH10 0xB0A81423FCFBA5AA8E0F 0x47 DUP11 JUMPI SWAP13 0x4b 0xc0 DUP1 0xba PUSH31 0x82002900000000000000000000000000000000000000000000000000000000 ", + "sourceMap": "753:40:0:-;732:1806;753:40;;732:1806;753:40;;;;;;;;;;-1:-1:-1;;753:40:0;;:::i;:::-;-1:-1:-1;799:31:0;;;;;;;;;;;;;;;;;;;;;;;;;;:::i;:::-;-1:-1:-1;836:27:0;;;-1:-1:-1;;836:27:0;861:2;836:27;;;732:1806;5:2:-1;;;;30:1;27;20:12;5:2;732:1806:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;732:1806:0;;;-1:-1:-1;732:1806:0;:::i;:::-;;;:::o;:::-;;;;;;;;;;;;;;;;;;;;:::o;:::-;;;;;;;" + }, + "deployedBytecode": { + "linkReferences": {}, + "object": "0x6080604052600436106100ae5763ffffffff7c010000000000000000000000000000000000000000000000000000000060003504166306fdde0381146100b8578063095ea7b31461014257806318160ddd1461018757806323b872dd146101ae5780632e1a7d4d146101e5578063313ce567146101fd57806370a082311461022857806395d89b4114610256578063a9059cbb1461026b578063d0e30db0146100ae578063dd62ed3e1461029c575b6100b66102d0565b005b3480156100c457600080fd5b506100cd61031f565b6040805160208082528351818301528351919283929083019185019080838360005b838110156101075781810151838201526020016100ef565b50505050905090810190601f1680156101345780820380516001836020036101000a031916815260200191505b509250505060405180910390f35b34801561014e57600080fd5b5061017373ffffffffffffffffffffffffffffffffffffffff600435166024356103cb565b604080519115158252519081900360200190f35b34801561019357600080fd5b5061019c61043e565b60408051918252519081900360200190f35b3480156101ba57600080fd5b5061017373ffffffffffffffffffffffffffffffffffffffff60043581169060243516604435610443565b3480156101f157600080fd5b506100b66004356105e3565b34801561020957600080fd5b50610212610678565b6040805160ff9092168252519081900360200190f35b34801561023457600080fd5b5061019c73ffffffffffffffffffffffffffffffffffffffff60043516610681565b34801561026257600080fd5b506100cd610693565b34801561027757600080fd5b5061017373ffffffffffffffffffffffffffffffffffffffff6004351660243561070b565b3480156102a857600080fd5b5061019c73ffffffffffffffffffffffffffffffffffffffff6004358116906024351661071f565b33600081815260036020908152604091829020805434908101909155825190815291517fe1fffcc4923d04b559f4d29a8bfc6cda04eb5b0d3c460751c2402c5c5cc9109c9281900390910190a2565b6000805460408051602060026001851615610100027fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff0190941693909304601f810184900484028201840190925281815292918301828280156103c35780601f10610398576101008083540402835291602001916103c3565b820191906000526020600020905b8154815290600101906020018083116103a657829003601f168201915b505050505081565b33600081815260046020908152604080832073ffffffffffffffffffffffffffffffffffffffff8716808552908352818420869055815186815291519394909390927f8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925928290030190a350600192915050565b303190565b73ffffffffffffffffffffffffffffffffffffffff831660009081526003602052604081205482111561047557600080fd5b73ffffffffffffffffffffffffffffffffffffffff841633148015906104eb575073ffffffffffffffffffffffffffffffffffffffff841660009081526004602090815260408083203384529091529020547fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff14155b156105655773ffffffffffffffffffffffffffffffffffffffff8416600090815260046020908152604080832033845290915290205482111561052d57600080fd5b73ffffffffffffffffffffffffffffffffffffffff841660009081526004602090815260408083203384529091529020805483900390555b73ffffffffffffffffffffffffffffffffffffffff808516600081815260036020908152604080832080548890039055938716808352918490208054870190558351868152935191937fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef929081900390910190a35060019392505050565b336000908152600360205260409020548111156105ff57600080fd5b33600081815260036020526040808220805485900390555183156108fc0291849190818181858888f1935050505015801561063e573d6000803e3d6000fd5b5060408051828152905133917f7fcf532c15f0a6db0bd6d0e038bea71d30d808c7d98cb3bf7268a95bf5081b65919081900360200190a250565b60025460ff1681565b60036020526000908152604090205481565b60018054604080516020600284861615610100027fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff0190941693909304601f810184900484028201840190925281815292918301828280156103c35780601f10610398576101008083540402835291602001916103c3565b6000610718338484610443565b9392505050565b6004602090815260009283526040808420909152908252902054815600a165627a7a72305820228981f11f47ad9630080069b0a81423fcfba5aa8e0f478a579c4bc080ba7e820029", + "opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0xAE JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x6FDDE03 DUP2 EQ PUSH2 0xB8 JUMPI DUP1 PUSH4 0x95EA7B3 EQ PUSH2 0x142 JUMPI DUP1 PUSH4 0x18160DDD EQ PUSH2 0x187 JUMPI DUP1 PUSH4 0x23B872DD EQ PUSH2 0x1AE JUMPI DUP1 PUSH4 0x2E1A7D4D EQ PUSH2 0x1E5 JUMPI DUP1 PUSH4 0x313CE567 EQ PUSH2 0x1FD JUMPI DUP1 PUSH4 0x70A08231 EQ PUSH2 0x228 JUMPI DUP1 PUSH4 0x95D89B41 EQ PUSH2 0x256 JUMPI DUP1 PUSH4 0xA9059CBB EQ PUSH2 0x26B JUMPI DUP1 PUSH4 0xD0E30DB0 EQ PUSH2 0xAE JUMPI DUP1 PUSH4 0xDD62ED3E EQ PUSH2 0x29C JUMPI JUMPDEST PUSH2 0xB6 PUSH2 0x2D0 JUMP JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xC4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xCD PUSH2 0x31F JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 ADD SWAP1 DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x107 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0xEF JUMP JUMPDEST POP POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x134 JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x14E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x173 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x3CB JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x193 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19C PUSH2 0x43E JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1BA JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x173 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x443 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1F1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xB6 PUSH1 0x4 CALLDATALOAD PUSH2 0x5E3 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x209 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x212 PUSH2 0x678 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0xFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x234 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19C PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x681 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x262 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xCD PUSH2 0x693 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x277 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x173 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x70B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2A8 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19C PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0x71F JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP2 DUP3 SWAP1 KECCAK256 DUP1 SLOAD CALLVALUE SWAP1 DUP2 ADD SWAP1 SWAP2 SSTORE DUP3 MLOAD SWAP1 DUP2 MSTORE SWAP2 MLOAD PUSH32 0xE1FFFCC4923D04B559F4D29A8BFC6CDA04EB5B0D3C460751C2402C5C5CC9109C SWAP3 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG2 JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x3C3 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x398 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x3C3 JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x3A6 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP DUP2 JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP1 DUP6 MSTORE SWAP1 DUP4 MSTORE DUP2 DUP5 KECCAK256 DUP7 SWAP1 SSTORE DUP2 MLOAD DUP7 DUP2 MSTORE SWAP2 MLOAD SWAP4 SWAP5 SWAP1 SWAP4 SWAP1 SWAP3 PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 SWAP3 DUP3 SWAP1 SUB ADD SWAP1 LOG3 POP PUSH1 0x1 SWAP3 SWAP2 POP POP JUMP JUMPDEST ADDRESS BALANCE SWAP1 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 SLOAD DUP3 GT ISZERO PUSH2 0x475 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND CALLER EQ DUP1 ISZERO SWAP1 PUSH2 0x4EB JUMPI POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP5 MSTORE SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF EQ ISZERO JUMPDEST ISZERO PUSH2 0x565 JUMPI PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP5 MSTORE SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 SLOAD DUP3 GT ISZERO PUSH2 0x52D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP5 MSTORE SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 DUP1 SLOAD DUP4 SWAP1 SUB SWAP1 SSTORE JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP6 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 DUP1 SLOAD DUP9 SWAP1 SUB SWAP1 SSTORE SWAP4 DUP8 AND DUP1 DUP4 MSTORE SWAP2 DUP5 SWAP1 KECCAK256 DUP1 SLOAD DUP8 ADD SWAP1 SSTORE DUP4 MLOAD DUP7 DUP2 MSTORE SWAP4 MLOAD SWAP2 SWAP4 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP3 SWAP1 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP PUSH1 0x1 SWAP4 SWAP3 POP POP POP JUMP JUMPDEST CALLER PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP2 GT ISZERO PUSH2 0x5FF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD DUP6 SWAP1 SUB SWAP1 SSTORE MLOAD DUP4 ISZERO PUSH2 0x8FC MUL SWAP2 DUP5 SWAP2 SWAP1 DUP2 DUP2 DUP2 DUP6 DUP9 DUP9 CALL SWAP4 POP POP POP POP ISZERO DUP1 ISZERO PUSH2 0x63E JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP PUSH1 0x40 DUP1 MLOAD DUP3 DUP2 MSTORE SWAP1 MLOAD CALLER SWAP2 PUSH32 0x7FCF532C15F0A6DB0BD6D0E038BEA71D30D808C7D98CB3BF7268A95BF5081B65 SWAP2 SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 LOG2 POP JUMP JUMPDEST PUSH1 0x2 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x1 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 DUP5 DUP7 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x3C3 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x398 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x3C3 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x718 CALLER DUP5 DUP5 PUSH2 0x443 JUMP JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x0 SWAP3 DUP4 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 SWAP1 SWAP2 MSTORE SWAP1 DUP3 MSTORE SWAP1 KECCAK256 SLOAD DUP2 JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 0x22 DUP10 DUP2 CALL 0x1f 0x47 0xad SWAP7 ADDRESS ADDMOD STOP PUSH10 0xB0A81423FCFBA5AA8E0F 0x47 DUP11 JUMPI SWAP13 0x4b 0xc0 DUP1 0xba PUSH31 0x82002900000000000000000000000000000000000000000000000000000000 ", + "sourceMap": "732:1806:0:-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;1329:9;:7;:9::i;:::-;732:1806;753:40;;8:9:-1;5:2;;;30:1;27;20:12;5:2;753:40:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;8:100:-1;33:3;30:1;27:10;8:100;;;90:11;;;84:18;71:11;;;64:39;52:2;45:10;8:100;;;12:14;753:40:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;1776:172;;8:9:-1;5:2;;;30:1;27;20:12;5:2;-1:-1;1776:172:0;;;;;;;;;;;;;;;;;;;;;;;;;;;1684:86;;8:9:-1;5:2;;;30:1;27;20:12;5:2;1684:86:0;;;;;;;;;;;;;;;;;;;;2081:455;;8:9:-1;5:2;;;30:1;27;20:12;5:2;-1:-1;2081:455:0;;;;;;;;;;;;;;1480:198;;8:9:-1;5:2;;;30:1;27;20:12;5:2;-1:-1;1480:198:0;;;;;836:27;;8:9:-1;5:2;;;30:1;27;20:12;5:2;836:27:0;;;;;;;;;;;;;;;;;;;;;;;1150:65;;8:9:-1;5:2;;;30:1;27;20:12;5:2;-1:-1;1150:65:0;;;;;;;799:31;;8:9:-1;5:2;;;30:1;27;20:12;5:2;799:31:0;;;;1954:121;;8:9:-1;5:2;;;30:1;27;20:12;5:2;-1:-1;1954:121:0;;;;;;;;;1221:65;;8:9:-1;5:2;;;30:1;27;20:12;5:2;-1:-1;1221:65:0;;;;;;;;;;;;1350:125;1404:10;1394:21;;;;:9;:21;;;;;;;;;:34;;1419:9;1394:34;;;;;;1438:30;;;;;;;;;;;;;;;;;1350:125::o;753:40::-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;:::o;1776:172::-;1858:10;1832:4;1848:21;;;:9;:21;;;;;;;;;:26;;;;;;;;;;;:32;;;1890:30;;;;;;;1832:4;;1848:26;;1858:10;;1890:30;;;;;;;;-1:-1:-1;1937:4:0;1776:172;;;;:::o;1684:86::-;1751:4;:12;1684:86;:::o;2081:455::-;2199:14;;;2171:4;2199:14;;;:9;:14;;;;;;:21;-1:-1:-1;2199:21:0;2191:30;;;;;;2236:17;;;2243:10;2236:17;;;;:59;;-1:-1:-1;2257:14:0;;;;;;;:9;:14;;;;;;;;2272:10;2257:26;;;;;;;;2292:2;2257:38;;2236:59;2232:179;;;2319:14;;;;;;;:9;:14;;;;;;;;2334:10;2319:26;;;;;;;;:33;-1:-1:-1;2319:33:0;2311:42;;;;;;2367:14;;;;;;;:9;:14;;;;;;;;2382:10;2367:26;;;;;;;:33;;;;;;;2232:179;2421:14;;;;;;;;:9;:14;;;;;;;;:21;;;;;;;2452:14;;;;;;;;;;:21;;;;;;2484:23;;;;;;;2452:14;;2484:23;;;;;;;;;;;-1:-1:-1;2525:4:0;2081:455;;;;;:::o;1480:198::-;1543:10;1533:21;;;;:9;:21;;;;;;:28;-1:-1:-1;1533:28:0;1525:37;;;;;;1582:10;1572:21;;;;:9;:21;;;;;;:28;;;;;;;1610:24;;;;;;1597:3;;1610:24;;1572:21;1610:24;1597:3;1582:10;1610:24;;;;;;;;8:9:-1;5:2;;;45:16;42:1;39;24:38;77:16;74:1;67:27;5:2;-1:-1;1644:27:0;;;;;;;;1655:10;;1644:27;;;;;;;;;;1480:198;:::o;836:27::-;;;;;;:::o;1150:65::-;;;;;;;;;;;;;:::o;799:31::-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;1954:121;2011:4;2034:34;2047:10;2059:3;2064;2034:12;:34::i;:::-;2027:41;1954:121;-1:-1:-1;;;1954:121:0:o;1221:65::-;;;;;;;;;;;;;;;;;;;;;;;;:::o" + } + } + }, + "sources": { + "2.0.0/tokens/EtherToken/WETH9.sol": { + "id": 0 + } + }, + "sourceCodes": { + "2.0.0/tokens/EtherToken/WETH9.sol": "// Copyright (C) 2015, 2016, 2017 Dapphub\n\n// This program is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n\n// This program is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n// GNU General Public License for more details.\n\n// You should have received a copy of the GNU General Public License\n// along with this program. If not, see .\n\n// solhint-disable\npragma solidity ^0.4.18;\n\n\ncontract WETH9 {\n string public name = \"Wrapped Ether\";\n string public symbol = \"WETH\";\n uint8 public decimals = 18;\n\n event Approval(address indexed _owner, address indexed _spender, uint _value);\n event Transfer(address indexed _from, address indexed _to, uint _value);\n event Deposit(address indexed _owner, uint _value);\n event Withdrawal(address indexed _owner, uint _value);\n\n mapping (address => uint) public balanceOf;\n mapping (address => mapping (address => uint)) public allowance;\n\n function() public payable {\n deposit();\n }\n function deposit() public payable {\n balanceOf[msg.sender] += msg.value;\n Deposit(msg.sender, msg.value);\n }\n function withdraw(uint wad) public {\n require(balanceOf[msg.sender] >= wad);\n balanceOf[msg.sender] -= wad;\n msg.sender.transfer(wad);\n Withdrawal(msg.sender, wad);\n }\n\n function totalSupply() public view returns (uint) {\n return this.balance;\n }\n\n function approve(address guy, uint wad) public returns (bool) {\n allowance[msg.sender][guy] = wad;\n Approval(msg.sender, guy, wad);\n return true;\n }\n\n function transfer(address dst, uint wad) public returns (bool) {\n return transferFrom(msg.sender, dst, wad);\n }\n\n function transferFrom(address src, address dst, uint wad)\n public\n returns (bool)\n {\n require(balanceOf[src] >= wad);\n\n if (src != msg.sender && allowance[src][msg.sender] != uint(-1)) {\n require(allowance[src][msg.sender] >= wad);\n allowance[src][msg.sender] -= wad;\n }\n\n balanceOf[src] -= wad;\n balanceOf[dst] += wad;\n\n Transfer(src, dst, wad);\n\n return true;\n }\n}\n\n\n/*\n GNU GENERAL PUBLIC LICENSE\n Version 3, 29 June 2007\n\n Copyright (C) 2007 Free Software Foundation, Inc. \n Everyone is permitted to copy and distribute verbatim copies\n of this license document, but changing it is not allowed.\n\n Preamble\n\n The GNU General Public License is a free, copyleft license for\nsoftware and other kinds of works.\n\n The licenses for most software and other practical works are designed\nto take away your freedom to share and change the works. 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Disclaimer of Warranty.\n\n THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY\nAPPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT\nHOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM \"AS IS\" WITHOUT WARRANTY\nOF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,\nTHE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR\nPURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM\nIS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF\nALL NECESSARY SERVICING, REPAIR OR CORRECTION.\n\n 16. Limitation of Liability.\n\n IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING\nWILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS\nTHE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY\nGENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE\nUSE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF\nDATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD\nPARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),\nEVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF\nSUCH DAMAGES.\n\n 17. Interpretation of Sections 15 and 16.\n\n If the disclaimer of warranty and limitation of liability provided\nabove cannot be given local legal effect according to their terms,\nreviewing courts shall apply local law that most closely approximates\nan absolute waiver of all civil liability in connection with the\nProgram, unless a warranty or assumption of liability accompanies a\ncopy of the Program in return for a fee.\n\n END OF TERMS AND CONDITIONS\n\n How to Apply These Terms to Your New Programs\n\n If you develop a new program, and you want it to be of the greatest\npossible use to the public, the best way to achieve this is to make it\nfree software which everyone can redistribute and change under these terms.\n\n To do so, attach the following notices to the program. It is safest\nto attach them to the start of each source file to most effectively\nstate the exclusion of warranty; and each file should have at least\nthe \"copyright\" line and a pointer to where the full notice is found.\n\n \n Copyright (C) \n\n This program is free software: you can redistribute it and/or modify\n it under the terms of the GNU General Public License as published by\n the Free Software Foundation, either version 3 of the License, or\n (at your option) any later version.\n\n This program is distributed in the hope that it will be useful,\n but WITHOUT ANY WARRANTY; without even the implied warranty of\n MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n GNU General Public License for more details.\n\n You should have received a copy of the GNU General Public License\n along with this program. If not, see .\n\nAlso add information on how to contact you by electronic and paper mail.\n\n If the program does terminal interaction, make it output a short\nnotice like this when it starts in an interactive mode:\n\n Copyright (C) \n This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.\n This is free software, and you are welcome to redistribute it\n under certain conditions; type `show c' for details.\n\nThe hypothetical commands `show w' and `show c' should show the appropriate\nparts of the General Public License. Of course, your program's commands\nmight be different; for a GUI interface, you would use an \"about box\".\n\n You should also get your employer (if you work as a programmer) or school,\nif any, to sign a \"copyright disclaimer\" for the program, if necessary.\nFor more information on this, and how to apply and follow the GNU GPL, see\n.\n\n The GNU General Public License does not permit incorporating your program\ninto proprietary programs. If your program is a subroutine library, you\nmay consider it more useful to permit linking proprietary applications with\nthe library. If this is what you want to do, use the GNU Lesser General\nPublic License instead of this License. But first, please read\n.\n\n*/\n" + }, + "sourceTreeHashHex": "0x08a4125fbc1137215308db8e8f4c0774b2adbec12342172c17216bcaa6e596c6", + "compiler": { + "name": "solc", + "version": "soljson-v0.4.24+commit.e67f0147.js", + "settings": { + "optimizer": { + "enabled": true, + "runs": 1000000 + }, + "outputSelection": { + "*": { + "*": [ + "abi", + "evm.bytecode.object", + "evm.bytecode.sourceMap", + "evm.deployedBytecode.object", + "evm.deployedBytecode.sourceMap" + ] + } + } + } + }, + "networks": { + "3": { + "address": "0xc778417e063141139fce010982780140aa0cd5ab", + "links": {}, + "constructorArgs": "[]" + }, + "42": { + "address": "0xd0a1e359811322d97991e03f863a0c30c2cf029c", + "links": {}, + "constructorArgs": "[]" + }, + "50": { + "address": "0x0b1ba0af832d7c05fd64161e0db78e85978e8082", + "links": {}, + "constructorArgs": "[]" + } + } +} diff --git a/packages/migrations/artifacts/2.0.0-mainnet/ZRXToken.json b/packages/migrations/artifacts/2.0.0-mainnet/ZRXToken.json new file mode 100644 index 000000000..76ee77b34 --- /dev/null +++ b/packages/migrations/artifacts/2.0.0-mainnet/ZRXToken.json @@ -0,0 +1,10041 @@ +{ + "schemaVersion": "2.0.0", + "contractName": "ZRXToken", + "compilerOutput": { + "abi": [ + { + "constant": true, + "inputs": [], + "name": "name", + "outputs": [ + { + "name": "", + "type": "string" + } + ], + "payable": false, + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_spender", + "type": "address" + }, + { + "name": "_value", + "type": "uint256" + } + ], + "name": "approve", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "totalSupply", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_from", + "type": "address" + }, + { + "name": "_to", + "type": "address" + }, + { + "name": "_value", + "type": "uint256" + } + ], + "name": "transferFrom", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "decimals", + "outputs": [ + { + "name": "", + "type": "uint8" + } + ], + "payable": false, + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "_owner", + "type": "address" + } + ], + "name": "balanceOf", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "symbol", + "outputs": [ + { + "name": "", + "type": "string" + } + ], + "payable": false, + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_to", + "type": "address" + }, + { + "name": "_value", + "type": "uint256" + } + ], + "name": "transfer", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "_owner", + "type": "address" + }, + { + "name": "_spender", + "type": "address" + } + ], + "name": "allowance", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "type": "function" + }, + { + "inputs": [], + "payable": false, + "type": "constructor" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "_from", + "type": "address" + }, + { + "indexed": true, + "name": "_to", + "type": "address" + }, + { + "indexed": false, + "name": "_value", + "type": "uint256" + } + ], + "name": "Transfer", + "type": "event" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "_owner", + "type": "address" + }, + { + "indexed": true, + "name": "_spender", + "type": "address" + }, + { + "indexed": false, + "name": "_value", + "type": "uint256" + } + ], + "name": "Approval", + "type": "event" + } + ], + "devdoc": { + "methods": { + "transferFrom(address,address,uint256)": { + "details": "ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited allowance.", + "params": { + "_from": "Address to transfer from.", + "_to": "Address to transfer to.", + "_value": "Amount to transfer." + }, + "return": "Success of transfer." + } + } + }, + "evm": { + "assembly": " /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":795:1250 contract ZRXToken is ... */\n mstore(0x40, 0x60)\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":966:972 10**27 */\n 0x33b2e3c9fd0803ce8000000\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":937:972 uint256 public totalSupply = 10**27 */\n 0x3\n sstore\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1158:1248 function ZRXToken()... */\n jumpi(tag_1, iszero(callvalue))\n invalid\ntag_1:\ntag_2:\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1230:1241 totalSupply */\n sload(0x3)\n sub(exp(0x2, 0xa0), 0x1)\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1216:1226 msg.sender */\n caller\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1207:1227 balances[msg.sender] */\n and\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1207:1215 balances */\n 0x0\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1207:1227 balances[msg.sender] */\n swap1\n dup2\n mstore\n 0x20\n dup2\n swap1\n mstore\n 0x40\n swap1\n sha3\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1207:1241 balances[msg.sender] = totalSupply */\n sstore\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1158:1248 function ZRXToken()... */\ntag_3:\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":795:1250 contract ZRXToken is ... */\ntag_4:\n dataSize(sub_0)\n dup1\n dataOffset(sub_0)\n 0x0\n codecopy\n 0x0\n return\nstop\n\nsub_0: assembly {\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":795:1250 contract ZRXToken is ... */\n mstore(0x40, 0x60)\n jumpi(tag_1, iszero(calldatasize))\n and(div(calldataload(0x0), 0x100000000000000000000000000000000000000000000000000000000), 0xffffffff)\n 0x6fdde03\n dup2\n eq\n tag_2\n jumpi\n dup1\n 0x95ea7b3\n eq\n tag_3\n jumpi\n dup1\n 0x18160ddd\n eq\n tag_4\n jumpi\n dup1\n 0x23b872dd\n eq\n tag_5\n jumpi\n dup1\n 0x313ce567\n eq\n tag_6\n jumpi\n dup1\n 0x70a08231\n eq\n tag_7\n jumpi\n dup1\n 0x95d89b41\n eq\n tag_8\n jumpi\n dup1\n 0xa9059cbb\n eq\n tag_9\n jumpi\n dup1\n 0xdd62ed3e\n eq\n tag_10\n jumpi\n tag_1:\n invalid\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1017:1066 string constant public name = \"0x Protocol Token\" */\n tag_2:\n jumpi(tag_11, iszero(callvalue))\n invalid\n tag_11:\n tag_12\n jump(tag_13)\n tag_12:\n 0x40\n dup1\n mload\n 0x20\n dup1\n dup3\n mstore\n dup4\n mload\n dup2\n dup4\n add\n mstore\n dup4\n mload\n swap2\n swap3\n dup4\n swap3\n swap1\n dup4\n add\n swap2\n dup6\n add\n swap1\n dup1\n dup4\n dup4\n /* \"--CODEGEN--\":18:20 */\n dup3\n iszero\n /* \"--CODEGEN--\":13:16 */\n tag_14\n /* \"--CODEGEN--\":7:12 */\n jumpi\n /* \"--CODEGEN--\":32:37 */\n tag_15:\n /* \"--CODEGEN--\":59:62 */\n dup1\n /* \"--CODEGEN--\":53:58 */\n mload\n /* \"--CODEGEN--\":48:51 */\n dup3\n /* \"--CODEGEN--\":41:47 */\n mstore\n /* \"--CODEGEN--\":93:95 */\n 0x20\n /* \"--CODEGEN--\":88:91 */\n dup4\n /* \"--CODEGEN--\":85:87 */\n gt\n /* \"--CODEGEN--\":78:84 */\n iszero\n /* \"--CODEGEN--\":73:76 */\n tag_14\n /* \"--CODEGEN--\":67:72 */\n jumpi\n /* \"--CODEGEN--\":152:155 */\n 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe0\n swap1\n swap3\n add\n swap2\n /* \"--CODEGEN--\":117:119 */\n 0x20\n /* \"--CODEGEN--\":108:111 */\n swap2\n dup3\n add\n swap2\n /* \"--CODEGEN--\":130:133 */\n add\n /* \"--CODEGEN--\":172:177 */\n tag_15\n /* \"--CODEGEN--\":167:171 */\n jump\n /* \"--CODEGEN--\":181:184 */\n tag_14:\n /* \"--CODEGEN--\":3:189 */\n pop\n pop\n pop\n swap1\n pop\n swap1\n dup2\n add\n swap1\n 0x1f\n and\n dup1\n iszero\n tag_16\n jumpi\n dup1\n dup3\n sub\n dup1\n mload\n 0x1\n dup4\n 0x20\n sub\n 0x100\n exp\n sub\n not\n and\n dup2\n mstore\n 0x20\n add\n swap2\n pop\n tag_16:\n pop\n swap3\n pop\n pop\n pop\n mload(0x40)\n dup1\n swap2\n sub\n swap1\n return\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1087:1274 */\n tag_3:\n jumpi(tag_17, iszero(callvalue))\n invalid\n tag_17:\n tag_18\n and(calldataload(0x4), 0xffffffffffffffffffffffffffffffffffffffff)\n calldataload(0x24)\n jump(tag_19)\n tag_18:\n 0x40\n dup1\n mload\n swap2\n iszero\n iszero\n dup3\n mstore\n mload\n swap1\n dup2\n swap1\n sub\n 0x20\n add\n swap1\n return\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":937:972 uint256 public totalSupply = 10**27 */\n tag_4:\n jumpi(tag_20, iszero(callvalue))\n invalid\n tag_20:\n tag_21\n jump(tag_22)\n tag_21:\n 0x40\n dup1\n mload\n swap2\n dup3\n mstore\n mload\n swap1\n dup2\n swap1\n sub\n 0x20\n add\n swap1\n return\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1066:1675 */\n tag_5:\n jumpi(tag_23, iszero(callvalue))\n invalid\n tag_23:\n tag_18\n 0xffffffffffffffffffffffffffffffffffffffff\n calldataload(0x4)\n dup2\n and\n swap1\n calldataload(0x24)\n and\n calldataload(0x44)\n jump(tag_25)\n tag_24:\n 0x40\n dup1\n mload\n swap2\n iszero\n iszero\n dup3\n mstore\n mload\n swap1\n dup2\n swap1\n sub\n 0x20\n add\n swap1\n return\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":896:931 uint8 constant public decimals = 18 */\n tag_6:\n jumpi(tag_26, iszero(callvalue))\n invalid\n tag_26:\n tag_27\n jump(tag_28)\n tag_27:\n 0x40\n dup1\n mload\n 0xff\n swap1\n swap3\n and\n dup3\n mstore\n mload\n swap1\n dup2\n swap1\n sub\n 0x20\n add\n swap1\n return\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":982:1081 */\n tag_7:\n jumpi(tag_29, iszero(callvalue))\n invalid\n tag_29:\n tag_21\n and(calldataload(0x4), 0xffffffffffffffffffffffffffffffffffffffff)\n jump(tag_31)\n tag_30:\n 0x40\n dup1\n mload\n swap2\n dup3\n mstore\n mload\n swap1\n dup2\n swap1\n sub\n 0x20\n add\n swap1\n return\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1072:1109 string constant public symbol = \"ZRX\" */\n tag_8:\n jumpi(tag_32, iszero(callvalue))\n invalid\n tag_32:\n tag_12\n jump(tag_34)\n tag_33:\n 0x40\n dup1\n mload\n 0x20\n dup1\n dup3\n mstore\n dup4\n mload\n dup2\n dup4\n add\n mstore\n dup4\n mload\n swap2\n swap3\n dup4\n swap3\n swap1\n dup4\n add\n swap2\n dup6\n add\n swap1\n dup1\n dup4\n dup4\n /* \"--CODEGEN--\":18:20 */\n dup3\n iszero\n /* \"--CODEGEN--\":13:16 */\n tag_14\n /* \"--CODEGEN--\":7:12 */\n jumpi\n /* \"--CODEGEN--\":32:37 */\n tag_36:\n /* \"--CODEGEN--\":59:62 */\n dup1\n /* \"--CODEGEN--\":53:58 */\n mload\n /* \"--CODEGEN--\":48:51 */\n dup3\n /* \"--CODEGEN--\":41:47 */\n mstore\n /* \"--CODEGEN--\":93:95 */\n 0x20\n /* \"--CODEGEN--\":88:91 */\n dup4\n /* \"--CODEGEN--\":85:87 */\n gt\n /* \"--CODEGEN--\":78:84 */\n iszero\n /* \"--CODEGEN--\":73:76 */\n tag_14\n /* \"--CODEGEN--\":67:72 */\n jumpi\n /* \"--CODEGEN--\":152:155 */\n 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe0\n swap1\n swap3\n add\n swap2\n /* \"--CODEGEN--\":117:119 */\n 0x20\n /* \"--CODEGEN--\":108:111 */\n swap2\n dup3\n add\n swap2\n /* \"--CODEGEN--\":130:133 */\n add\n /* \"--CODEGEN--\":172:177 */\n tag_15\n /* \"--CODEGEN--\":167:171 */\n jump\n /* \"--CODEGEN--\":181:184 */\n tag_35:\n /* \"--CODEGEN--\":3:189 */\n pop\n pop\n pop\n swap1\n pop\n swap1\n dup2\n add\n swap1\n 0x1f\n and\n dup1\n iszero\n tag_16\n jumpi\n dup1\n dup3\n sub\n dup1\n mload\n 0x1\n dup4\n 0x20\n sub\n 0x100\n exp\n sub\n not\n and\n dup2\n mstore\n 0x20\n add\n swap2\n pop\n tag_37:\n pop\n swap3\n pop\n pop\n pop\n mload(0x40)\n dup1\n swap2\n sub\n swap1\n return\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":125:535 */\n tag_9:\n jumpi(tag_38, iszero(callvalue))\n invalid\n tag_38:\n tag_18\n and(calldataload(0x4), 0xffffffffffffffffffffffffffffffffffffffff)\n calldataload(0x24)\n jump(tag_40)\n tag_39:\n 0x40\n dup1\n mload\n swap2\n iszero\n iszero\n dup3\n mstore\n mload\n swap1\n dup2\n swap1\n sub\n 0x20\n add\n swap1\n return\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1280:1406 */\n tag_10:\n jumpi(tag_41, iszero(callvalue))\n invalid\n tag_41:\n tag_21\n 0xffffffffffffffffffffffffffffffffffffffff\n calldataload(0x4)\n dup2\n and\n swap1\n calldataload(0x24)\n and\n jump(tag_43)\n tag_42:\n 0x40\n dup1\n mload\n swap2\n dup3\n mstore\n mload\n swap1\n dup2\n swap1\n sub\n 0x20\n add\n swap1\n return\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1017:1066 string constant public name = \"0x Protocol Token\" */\n tag_13:\n 0x40\n dup1\n mload\n dup1\n dup3\n add\n swap1\n swap2\n mstore\n 0x11\n dup2\n mstore\n 0x30782050726f746f636f6c20546f6b656e000000000000000000000000000000\n 0x20\n dup3\n add\n mstore\n dup2\n jump\t// out\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1087:1274 */\n tag_19:\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1160:1179 */\n 0xffffffffffffffffffffffffffffffffffffffff\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1168:1178 */\n caller\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1160:1179 */\n dup2\n and\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1144:1148 */\n 0x0\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1160:1179 */\n dup2\n dup2\n mstore\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1160:1167 */\n 0x1\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1160:1179 */\n 0x20\n swap1\n dup2\n mstore\n 0x40\n dup1\n dup4\n sha3\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1160:1189 */\n swap5\n dup8\n and\n dup1\n dup5\n mstore\n swap5\n dup3\n mstore\n dup1\n dup4\n sha3\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1160:1198 */\n dup7\n swap1\n sstore\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1208:1246 */\n dup1\n mload\n dup7\n dup2\n mstore\n swap1\n mload\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1144:1148 */\n swap3\n swap5\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1160:1189 */\n swap4\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1160:1179 */\n swap3\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1208:1246 */\n 0x8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925\n swap3\n swap2\n dup2\n swap1\n sub\n swap1\n swap2\n add\n swap1\n log3\n pop\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1263:1267 */\n 0x1\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1087:1274 */\n tag_44:\n swap3\n swap2\n pop\n pop\n jump\t// out\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":937:972 uint256 public totalSupply = 10**27 */\n tag_22:\n sload(0x3)\n dup2\n jump\t// out\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1066:1675 */\n tag_25:\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1198:1212 */\n 0xffffffffffffffffffffffffffffffffffffffff\n dup1\n dup5\n and\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1161:1165 */\n 0x0\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1198:1212 */\n dup2\n dup2\n mstore\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1198:1205 */\n 0x1\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1198:1212 */\n 0x20\n swap1\n dup2\n mstore\n 0x40\n dup1\n dup4\n sha3\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1213:1223 */\n caller\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1198:1224 */\n swap1\n swap6\n and\n dup4\n mstore\n swap4\n dup2\n mstore\n dup4\n dup3\n sha3\n sload\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1238:1253 */\n swap3\n dup3\n mstore\n dup2\n swap1\n mstore\n swap2\n dup3\n sha3\n sload\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1238:1263 */\n dup4\n swap1\n lt\n dup1\n iszero\n swap1\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1238:1298 */\n tag_46\n jumpi\n pop\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1292:1298 */\n dup3\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1279:1288 */\n dup2\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1279:1298 */\n lt\n iszero\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1238:1298 */\n tag_46:\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1238:1353 */\n dup1\n iszero\n tag_47\n jumpi\n pop\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1340:1353 */\n 0xffffffffffffffffffffffffffffffffffffffff\n dup5\n and\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1340:1348 */\n 0x0\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1340:1353 */\n swap1\n dup2\n mstore\n 0x20\n dup2\n swap1\n mstore\n 0x40\n swap1\n sha3\n sload\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1314:1336 */\n dup4\n dup2\n add\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1314:1353 */\n lt\n iszero\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1238:1353 */\n tag_47:\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1234:1669 */\n iszero\n tag_48\n jumpi\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1378:1391 */\n 0xffffffffffffffffffffffffffffffffffffffff\n dup1\n dup6\n and\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1378:1386 */\n 0x0\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1378:1391 */\n swap1\n dup2\n mstore\n 0x20\n dup2\n swap1\n mstore\n 0x40\n dup1\n dup3\n sha3\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1378:1401 */\n dup1\n sload\n dup8\n add\n swap1\n sstore\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1415:1430 */\n swap2\n dup8\n and\n dup2\n mstore\n sha3\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1415:1440 */\n dup1\n sload\n dup5\n swap1\n sub\n swap1\n sstore\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":768:778 */\n 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1458:1478 */\n dup2\n lt\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1454:1549 */\n iszero\n tag_49\n jumpi\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1498:1512 */\n 0xffffffffffffffffffffffffffffffffffffffff\n dup1\n dup7\n and\n 0x0\n swap1\n dup2\n mstore\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1498:1505 */\n 0x1\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1498:1512 */\n 0x20\n swap1\n dup2\n mstore\n 0x40\n dup1\n dup4\n sha3\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1513:1523 */\n caller\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1498:1524 */\n swap1\n swap5\n and\n dup4\n mstore\n swap3\n swap1\n mstore\n sha3\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1498:1534 */\n dup1\n sload\n dup5\n swap1\n sub\n swap1\n sstore\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1454:1549 */\n tag_49:\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1578:1581 */\n dup4\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1562:1590 */\n 0xffffffffffffffffffffffffffffffffffffffff\n and\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1571:1576 */\n dup6\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1562:1590 */\n 0xffffffffffffffffffffffffffffffffffffffff\n and\n 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1583:1589 */\n dup6\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1562:1590 */\n mload(0x40)\n dup1\n dup3\n dup2\n mstore\n 0x20\n add\n swap2\n pop\n pop\n mload(0x40)\n dup1\n swap2\n sub\n swap1\n log3\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1611:1615 */\n 0x1\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1604:1615 */\n swap2\n pop\n jump(tag_50)\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1234:1669 */\n tag_48:\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1653:1658 */\n 0x0\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1646:1658 */\n swap2\n pop\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1234:1669 */\n tag_50:\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1066:1675 */\n tag_45:\n pop\n swap4\n swap3\n pop\n pop\n pop\n jump\t// out\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":896:931 uint8 constant public decimals = 18 */\n tag_28:\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":929:931 18 */\n 0x12\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":896:931 uint8 constant public decimals = 18 */\n dup2\n jump\t// out\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":982:1081 */\n tag_31:\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1058:1074 */\n 0xffffffffffffffffffffffffffffffffffffffff\n dup2\n and\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1035:1039 */\n 0x0\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1058:1074 */\n swap1\n dup2\n mstore\n 0x20\n dup2\n swap1\n mstore\n 0x40\n swap1\n sha3\n sload\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":982:1081 */\n tag_51:\n swap2\n swap1\n pop\n jump\t// out\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1072:1109 string constant public symbol = \"ZRX\" */\n tag_34:\n 0x40\n dup1\n mload\n dup1\n dup3\n add\n swap1\n swap2\n mstore\n 0x3\n dup2\n mstore\n 0x5a52580000000000000000000000000000000000000000000000000000000000\n 0x20\n dup3\n add\n mstore\n dup2\n jump\t// out\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":125:535 */\n tag_40:\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":267:287 */\n 0xffffffffffffffffffffffffffffffffffffffff\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":276:286 */\n caller\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":267:287 */\n and\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":178:182 */\n 0x0\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":267:287 */\n swap1\n dup2\n mstore\n 0x20\n dup2\n swap1\n mstore\n 0x40\n dup2\n sha3\n sload\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":267:297 */\n dup3\n swap1\n lt\n dup1\n iszero\n swap1\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":267:340 */\n tag_53\n jumpi\n pop\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":327:340 */\n 0xffffffffffffffffffffffffffffffffffffffff\n dup4\n and\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":327:335 */\n 0x0\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":327:340 */\n swap1\n dup2\n mstore\n 0x20\n dup2\n swap1\n mstore\n 0x40\n swap1\n sha3\n sload\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":301:323 */\n dup3\n dup2\n add\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":301:340 */\n lt\n iszero\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":267:340 */\n tag_53:\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":263:529 */\n iszero\n tag_54\n jumpi\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":356:376 */\n 0xffffffffffffffffffffffffffffffffffffffff\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":365:375 */\n caller\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":356:376 */\n dup2\n and\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":356:364 */\n 0x0\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":356:376 */\n dup2\n dup2\n mstore\n 0x20\n dup2\n dup2\n mstore\n 0x40\n dup1\n dup4\n sha3\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":356:386 */\n dup1\n sload\n dup9\n swap1\n sub\n swap1\n sstore\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":400:413 */\n swap4\n dup8\n and\n dup1\n dup4\n mstore\n swap2\n dup5\n swap1\n sha3\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":400:423 */\n dup1\n sload\n dup8\n add\n swap1\n sstore\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":437:470 */\n dup4\n mload\n dup7\n dup2\n mstore\n swap4\n mload\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":400:413 */\n swap2\n swap4\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":437:470 */\n 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef\n swap3\n swap1\n dup2\n swap1\n sub\n swap1\n swap2\n add\n swap1\n log3\n pop\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":491:495 */\n 0x1\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":484:495 */\n jump(tag_44)\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":263:529 */\n tag_54:\n pop\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":521:526 */\n 0x0\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":514:526 */\n jump(tag_44)\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":263:529 */\n tag_55:\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":125:535 */\n tag_52:\n swap3\n swap2\n pop\n pop\n jump\t// out\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1280:1406 */\n tag_43:\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1374:1389 */\n 0xffffffffffffffffffffffffffffffffffffffff\n dup1\n dup4\n and\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1351:1355 */\n 0x0\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1374:1389 */\n swap1\n dup2\n mstore\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1374:1381 */\n 0x1\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1374:1389 */\n 0x20\n swap1\n dup2\n mstore\n 0x40\n dup1\n dup4\n sha3\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1374:1399 */\n swap4\n dup6\n and\n dup4\n mstore\n swap3\n swap1\n mstore\n sha3\n sload\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1280:1406 */\n tag_56:\n swap3\n swap2\n pop\n pop\n jump\t// out\n}\n", + "bytecode": { + "linkReferences": {}, + "object": "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", + "opcodes": "PUSH1 0x60 PUSH1 0x40 MSTORE PUSH12 0x33B2E3C9FD0803CE8000000 PUSH1 0x3 SSTORE CALLVALUE ISZERO PUSH2 0x1C JUMPI INVALID JUMPDEST JUMPDEST PUSH1 0x3 SLOAD PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB CALLER AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 SHA3 SSTORE JUMPDEST JUMPDEST PUSH2 0x78D DUP1 PUSH2 0x4A PUSH1 0x0 CODECOPY PUSH1 0x0 RETURN STOP PUSH1 0x60 PUSH1 0x40 MSTORE CALLDATASIZE ISZERO PUSH2 0x96 JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x6FDDE03 DUP2 EQ PUSH2 0x98 JUMPI DUP1 PUSH4 0x95EA7B3 EQ PUSH2 0x146 JUMPI DUP1 PUSH4 0x18160DDD EQ PUSH2 0x186 JUMPI DUP1 PUSH4 0x23B872DD EQ PUSH2 0x1A8 JUMPI DUP1 PUSH4 0x313CE567 EQ PUSH2 0x1EE JUMPI DUP1 PUSH4 0x70A08231 EQ PUSH2 0x214 JUMPI DUP1 PUSH4 0x95D89B41 EQ PUSH2 0x24F JUMPI DUP1 PUSH4 0xA9059CBB EQ PUSH2 0x2FD JUMPI DUP1 PUSH4 0xDD62ED3E EQ PUSH2 0x33D JUMPI JUMPDEST INVALID JUMPDEST CALLVALUE ISZERO PUSH2 0xA0 JUMPI INVALID JUMPDEST PUSH2 0xA8 PUSH2 0x37E JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 ADD SWAP1 DUP1 DUP4 DUP4 DUP3 ISZERO PUSH2 0x10C JUMPI JUMPDEST DUP1 MLOAD DUP3 MSTORE PUSH1 0x20 DUP4 GT ISZERO PUSH2 0x10C JUMPI PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0xCE JUMP JUMPDEST POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x138 JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x14E JUMPI INVALID JUMPDEST PUSH2 0x172 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x3B5 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x18E JUMPI INVALID JUMPDEST PUSH2 0x196 PUSH2 0x42D JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x1B0 JUMPI INVALID JUMPDEST PUSH2 0x172 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x433 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x1F6 JUMPI INVALID JUMPDEST PUSH2 0x1FE PUSH2 0x5D4 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0xFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x21C JUMPI INVALID JUMPDEST PUSH2 0x196 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x5D9 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x257 JUMPI INVALID JUMPDEST PUSH2 0xA8 PUSH2 0x605 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 ADD SWAP1 DUP1 DUP4 DUP4 DUP3 ISZERO PUSH2 0x10C JUMPI JUMPDEST DUP1 MLOAD DUP3 MSTORE PUSH1 0x20 DUP4 GT ISZERO PUSH2 0x10C JUMPI PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0xCE JUMP JUMPDEST POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x138 JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x305 JUMPI INVALID JUMPDEST PUSH2 0x172 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x63C JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x345 JUMPI INVALID JUMPDEST PUSH2 0x196 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0x727 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST PUSH1 0x40 DUP1 MLOAD DUP1 DUP3 ADD SWAP1 SWAP2 MSTORE PUSH1 0x11 DUP2 MSTORE PUSH32 0x30782050726F746F636F6C20546F6B656E000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF CALLER DUP2 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 SHA3 SWAP5 DUP8 AND DUP1 DUP5 MSTORE SWAP5 DUP3 MSTORE DUP1 DUP4 SHA3 DUP7 SWAP1 SSTORE DUP1 MLOAD DUP7 DUP2 MSTORE SWAP1 MLOAD SWAP3 SWAP5 SWAP4 SWAP3 PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 SWAP3 SWAP2 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP PUSH1 0x1 JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x3 SLOAD DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP5 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 SHA3 CALLER SWAP1 SWAP6 AND DUP4 MSTORE SWAP4 DUP2 MSTORE DUP4 DUP3 SHA3 SLOAD SWAP3 DUP3 MSTORE DUP2 SWAP1 MSTORE SWAP2 DUP3 SHA3 SLOAD DUP4 SWAP1 LT DUP1 ISZERO SWAP1 PUSH2 0x483 JUMPI POP DUP3 DUP2 LT ISZERO JUMPDEST DUP1 ISZERO PUSH2 0x4B6 JUMPI POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 SHA3 SLOAD DUP4 DUP2 ADD LT ISZERO JUMPDEST ISZERO PUSH2 0x5C6 JUMPI PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP6 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP1 DUP3 SHA3 DUP1 SLOAD DUP8 ADD SWAP1 SSTORE SWAP2 DUP8 AND DUP2 MSTORE SHA3 DUP1 SLOAD DUP5 SWAP1 SUB SWAP1 SSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 LT ISZERO PUSH2 0x558 JUMPI PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP7 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 SHA3 CALLER SWAP1 SWAP5 AND DUP4 MSTORE SWAP3 SWAP1 MSTORE SHA3 DUP1 SLOAD DUP5 SWAP1 SUB SWAP1 SSTORE JUMPDEST DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF DUP6 PUSH1 0x40 MLOAD DUP1 DUP3 DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 PUSH1 0x1 SWAP2 POP PUSH2 0x5CB JUMP JUMPDEST PUSH1 0x0 SWAP2 POP JUMPDEST JUMPDEST POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x12 DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 SHA3 SLOAD JUMPDEST SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD DUP1 DUP3 ADD SWAP1 SWAP2 MSTORE PUSH1 0x3 DUP2 MSTORE PUSH32 0x5A52580000000000000000000000000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF CALLER AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP2 SHA3 SLOAD DUP3 SWAP1 LT DUP1 ISZERO SWAP1 PUSH2 0x699 JUMPI POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 SHA3 SLOAD DUP3 DUP2 ADD LT ISZERO JUMPDEST ISZERO PUSH2 0x718 JUMPI PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF CALLER DUP2 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 SHA3 DUP1 SLOAD DUP9 SWAP1 SUB SWAP1 SSTORE SWAP4 DUP8 AND DUP1 DUP4 MSTORE SWAP2 DUP5 SWAP1 SHA3 DUP1 SLOAD DUP8 ADD SWAP1 SSTORE DUP4 MLOAD DUP7 DUP2 MSTORE SWAP4 MLOAD SWAP2 SWAP4 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP3 SWAP1 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP PUSH1 0x1 PUSH2 0x427 JUMP JUMPDEST POP PUSH1 0x0 PUSH2 0x427 JUMP JUMPDEST JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 SHA3 SWAP4 DUP6 AND DUP4 MSTORE SWAP3 SWAP1 MSTORE SHA3 SLOAD JUMPDEST SWAP3 SWAP2 POP POP JUMP STOP LOG1 PUSH6 0x627A7A723058 SHA3 0x1b JUMPDEST PUSH17 0xCF82A73DEC658C2E60AB9A0F8E2BA01A74 0xb6 PUSH11 0x6F5B0402F56D2EA0FFCF00 0x29 ", + "sourceMap": "795:455:3:-;;;966:6;937:35;;1158:90;;;;;;;1230:11;;-1:-1:-1;;;;;1216:10:3;1207:20;:8;:20;;;;;;;;;;:34;1158:90;795:455;;;;;;;" + }, + "deployedBytecode": { + "linkReferences": {}, + "object": "0x606060405236156100965763ffffffff7c010000000000000000000000000000000000000000000000000000000060003504166306fdde038114610098578063095ea7b31461014657806318160ddd1461018657806323b872dd146101a8578063313ce567146101ee57806370a082311461021457806395d89b411461024f578063a9059cbb146102fd578063dd62ed3e1461033d575bfe5b34156100a057fe5b6100a861037e565b60408051602080825283518183015283519192839290830191850190808383821561010c575b80518252602083111561010c577fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe090920191602091820191016100ce565b505050905090810190601f1680156101385780820380516001836020036101000a031916815260200191505b509250505060405180910390f35b341561014e57fe5b61017273ffffffffffffffffffffffffffffffffffffffff600435166024356103b5565b604080519115158252519081900360200190f35b341561018e57fe5b61019661042d565b60408051918252519081900360200190f35b34156101b057fe5b61017273ffffffffffffffffffffffffffffffffffffffff60043581169060243516604435610433565b604080519115158252519081900360200190f35b34156101f657fe5b6101fe6105d4565b6040805160ff9092168252519081900360200190f35b341561021c57fe5b61019673ffffffffffffffffffffffffffffffffffffffff600435166105d9565b60408051918252519081900360200190f35b341561025757fe5b6100a8610605565b60408051602080825283518183015283519192839290830191850190808383821561010c575b80518252602083111561010c577fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe090920191602091820191016100ce565b505050905090810190601f1680156101385780820380516001836020036101000a031916815260200191505b509250505060405180910390f35b341561030557fe5b61017273ffffffffffffffffffffffffffffffffffffffff6004351660243561063c565b604080519115158252519081900360200190f35b341561034557fe5b61019673ffffffffffffffffffffffffffffffffffffffff60043581169060243516610727565b60408051918252519081900360200190f35b60408051808201909152601181527f30782050726f746f636f6c20546f6b656e000000000000000000000000000000602082015281565b73ffffffffffffffffffffffffffffffffffffffff338116600081815260016020908152604080832094871680845294825280832086905580518681529051929493927f8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925929181900390910190a35060015b92915050565b60035481565b73ffffffffffffffffffffffffffffffffffffffff808416600081815260016020908152604080832033909516835293815283822054928252819052918220548390108015906104835750828110155b80156104b6575073ffffffffffffffffffffffffffffffffffffffff841660009081526020819052604090205483810110155b156105c65773ffffffffffffffffffffffffffffffffffffffff808516600090815260208190526040808220805487019055918716815220805484900390557fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff8110156105585773ffffffffffffffffffffffffffffffffffffffff808616600090815260016020908152604080832033909416835292905220805484900390555b8373ffffffffffffffffffffffffffffffffffffffff168573ffffffffffffffffffffffffffffffffffffffff167fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef856040518082815260200191505060405180910390a3600191506105cb565b600091505b5b509392505050565b601281565b73ffffffffffffffffffffffffffffffffffffffff81166000908152602081905260409020545b919050565b60408051808201909152600381527f5a52580000000000000000000000000000000000000000000000000000000000602082015281565b73ffffffffffffffffffffffffffffffffffffffff3316600090815260208190526040812054829010801590610699575073ffffffffffffffffffffffffffffffffffffffff831660009081526020819052604090205482810110155b156107185773ffffffffffffffffffffffffffffffffffffffff33811660008181526020818152604080832080548890039055938716808352918490208054870190558351868152935191937fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef929081900390910190a3506001610427565b506000610427565b5b92915050565b73ffffffffffffffffffffffffffffffffffffffff8083166000908152600160209081526040808320938516835292905220545b929150505600a165627a7a723058201b5b70cf82a73dec658c2e60ab9a0f8e2ba01a74b66a6f5b0402f56d2ea0ffcf0029", + "opcodes": "PUSH1 0x60 PUSH1 0x40 MSTORE CALLDATASIZE ISZERO PUSH2 0x96 JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x6FDDE03 DUP2 EQ PUSH2 0x98 JUMPI DUP1 PUSH4 0x95EA7B3 EQ PUSH2 0x146 JUMPI DUP1 PUSH4 0x18160DDD EQ PUSH2 0x186 JUMPI DUP1 PUSH4 0x23B872DD EQ PUSH2 0x1A8 JUMPI DUP1 PUSH4 0x313CE567 EQ PUSH2 0x1EE JUMPI DUP1 PUSH4 0x70A08231 EQ PUSH2 0x214 JUMPI DUP1 PUSH4 0x95D89B41 EQ PUSH2 0x24F JUMPI DUP1 PUSH4 0xA9059CBB EQ PUSH2 0x2FD JUMPI DUP1 PUSH4 0xDD62ED3E EQ PUSH2 0x33D JUMPI JUMPDEST INVALID JUMPDEST CALLVALUE ISZERO PUSH2 0xA0 JUMPI INVALID JUMPDEST PUSH2 0xA8 PUSH2 0x37E JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 ADD SWAP1 DUP1 DUP4 DUP4 DUP3 ISZERO PUSH2 0x10C JUMPI JUMPDEST DUP1 MLOAD DUP3 MSTORE PUSH1 0x20 DUP4 GT ISZERO PUSH2 0x10C JUMPI PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0xCE JUMP JUMPDEST POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x138 JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x14E JUMPI INVALID JUMPDEST PUSH2 0x172 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x3B5 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x18E JUMPI INVALID JUMPDEST PUSH2 0x196 PUSH2 0x42D JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x1B0 JUMPI INVALID JUMPDEST PUSH2 0x172 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x433 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x1F6 JUMPI INVALID JUMPDEST PUSH2 0x1FE PUSH2 0x5D4 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0xFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x21C JUMPI INVALID JUMPDEST PUSH2 0x196 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x5D9 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x257 JUMPI INVALID JUMPDEST PUSH2 0xA8 PUSH2 0x605 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 ADD SWAP1 DUP1 DUP4 DUP4 DUP3 ISZERO PUSH2 0x10C JUMPI JUMPDEST DUP1 MLOAD DUP3 MSTORE PUSH1 0x20 DUP4 GT ISZERO PUSH2 0x10C JUMPI PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0xCE JUMP JUMPDEST POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x138 JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x305 JUMPI INVALID JUMPDEST PUSH2 0x172 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x63C JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x345 JUMPI INVALID JUMPDEST PUSH2 0x196 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0x727 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST PUSH1 0x40 DUP1 MLOAD DUP1 DUP3 ADD SWAP1 SWAP2 MSTORE PUSH1 0x11 DUP2 MSTORE PUSH32 0x30782050726F746F636F6C20546F6B656E000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF CALLER DUP2 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 SHA3 SWAP5 DUP8 AND DUP1 DUP5 MSTORE SWAP5 DUP3 MSTORE DUP1 DUP4 SHA3 DUP7 SWAP1 SSTORE DUP1 MLOAD DUP7 DUP2 MSTORE SWAP1 MLOAD SWAP3 SWAP5 SWAP4 SWAP3 PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 SWAP3 SWAP2 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP PUSH1 0x1 JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x3 SLOAD DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP5 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 SHA3 CALLER SWAP1 SWAP6 AND DUP4 MSTORE SWAP4 DUP2 MSTORE DUP4 DUP3 SHA3 SLOAD SWAP3 DUP3 MSTORE DUP2 SWAP1 MSTORE SWAP2 DUP3 SHA3 SLOAD DUP4 SWAP1 LT DUP1 ISZERO SWAP1 PUSH2 0x483 JUMPI POP DUP3 DUP2 LT ISZERO JUMPDEST DUP1 ISZERO PUSH2 0x4B6 JUMPI POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 SHA3 SLOAD DUP4 DUP2 ADD LT ISZERO JUMPDEST ISZERO PUSH2 0x5C6 JUMPI PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP6 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP1 DUP3 SHA3 DUP1 SLOAD DUP8 ADD SWAP1 SSTORE SWAP2 DUP8 AND DUP2 MSTORE SHA3 DUP1 SLOAD DUP5 SWAP1 SUB SWAP1 SSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 LT ISZERO PUSH2 0x558 JUMPI PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP7 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 SHA3 CALLER SWAP1 SWAP5 AND DUP4 MSTORE SWAP3 SWAP1 MSTORE SHA3 DUP1 SLOAD DUP5 SWAP1 SUB SWAP1 SSTORE JUMPDEST DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF DUP6 PUSH1 0x40 MLOAD DUP1 DUP3 DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 PUSH1 0x1 SWAP2 POP PUSH2 0x5CB JUMP JUMPDEST PUSH1 0x0 SWAP2 POP JUMPDEST JUMPDEST POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x12 DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 SHA3 SLOAD JUMPDEST SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD DUP1 DUP3 ADD SWAP1 SWAP2 MSTORE PUSH1 0x3 DUP2 MSTORE PUSH32 0x5A52580000000000000000000000000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF CALLER AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP2 SHA3 SLOAD DUP3 SWAP1 LT DUP1 ISZERO SWAP1 PUSH2 0x699 JUMPI POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 SHA3 SLOAD DUP3 DUP2 ADD LT ISZERO JUMPDEST ISZERO PUSH2 0x718 JUMPI PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF CALLER DUP2 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 SHA3 DUP1 SLOAD DUP9 SWAP1 SUB SWAP1 SSTORE SWAP4 DUP8 AND DUP1 DUP4 MSTORE SWAP2 DUP5 SWAP1 SHA3 DUP1 SLOAD DUP8 ADD SWAP1 SSTORE DUP4 MLOAD DUP7 DUP2 MSTORE SWAP4 MLOAD SWAP2 SWAP4 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP3 SWAP1 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP PUSH1 0x1 PUSH2 0x427 JUMP JUMPDEST POP PUSH1 0x0 PUSH2 0x427 JUMP JUMPDEST JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 SHA3 SWAP4 DUP6 AND DUP4 MSTORE SWAP3 SWAP1 MSTORE SHA3 SLOAD JUMPDEST SWAP3 SWAP2 POP POP JUMP STOP LOG1 PUSH6 0x627A7A723058 SHA3 0x1b JUMPDEST PUSH17 0xCF82A73DEC658C2E60AB9A0F8E2BA01A74 0xb6 PUSH11 0x6F5B0402F56D2EA0FFCF00 0x29 ", + "sourceMap": 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+ }, + "gasEstimates": { + "creation": { + "codeDepositCost": "386600", + "executionCost": "40780", + "totalCost": "427380" + }, + "external": { + "allowance(address,address)": "737", + "approve(address,uint256)": "22218", + "balanceOf(address)": "579", + "decimals()": "270", + "name()": "530", + "symbol()": "662", + "totalSupply()": "417", + "transfer(address,uint256)": "43393", + "transferFrom(address,address,uint256)": "64116" + } + }, + "legacyAssembly": { + ".code": [ + { + "begin": 795, + "end": 1250, + "name": "PUSH", + "value": "60" + }, + { + "begin": 795, + "end": 1250, + "name": "PUSH", + "value": "40" + }, + { + "begin": 795, + "end": 1250, + "name": "MSTORE" + }, + { + "begin": 966, + "end": 972, + "name": "PUSH", + "value": "33B2E3C9FD0803CE8000000" + }, + { + "begin": 937, + "end": 972, + "name": "PUSH", + "value": "3" + }, + { + "begin": 937, + "end": 972, + "name": "SSTORE" + }, + { + "begin": 1158, + "end": 1248, + "name": "CALLVALUE" + }, + { + "begin": 1158, + 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"name": "CALLER" + }, + { + "begin": 1207, + "end": 1227, + "name": "AND" + }, + { + "begin": 1207, + "end": 1215, + "name": "PUSH", + "value": "0" + }, + { + "begin": 1207, + "end": 1227, + "name": "SWAP1" + }, + { + "begin": 1207, + "end": 1227, + "name": "DUP2" + }, + { + "begin": 1207, + "end": 1227, + "name": "MSTORE" + }, + { + "begin": 1207, + "end": 1227, + "name": "PUSH", + "value": "20" + }, + { + "begin": 1207, + "end": 1227, + "name": "DUP2" + }, + { + "begin": 1207, + "end": 1227, + "name": "SWAP1" + }, + { + "begin": 1207, + "end": 1227, + "name": "MSTORE" + }, + { + "begin": 1207, + "end": 1227, + "name": "PUSH", + "value": "40" + }, + { + "begin": 1207, + "end": 1227, + "name": "SWAP1" + }, + { + "begin": 1207, + "end": 1227, + "name": "SHA3" + }, + { + "begin": 1207, + "end": 1241, + "name": "SSTORE" + }, + { + "begin": 1158, + "end": 1248, + "name": "tag", + "value": "3" + }, + { + "begin": 1158, + "end": 1248, + "name": "JUMPDEST" + }, + { + "begin": 795, + "end": 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"name": "Identifier", + "src": "1230:11:3" + } + ], + "id": 27, + "name": "Assignment", + "src": "1207:34:3" + } + ], + "id": 28, + "name": "ExpressionStatement", + "src": "1207:34:3" + } + ], + "id": 29, + "name": "Block", + "src": "1197:51:3" + } + ], + "id": 30, + "name": "FunctionDefinition", + "src": "1158:90:3" + } + ], + "id": 31, + "name": "ContractDefinition", + "src": "795:455:3" + } + ], + "name": "SourceUnit" + } + } + }, + "sourceCodes": { + "1.0.0/ERC20Token/ERC20Token_v1.sol": "pragma solidity ^0.4.11;\n\nimport { Token_v1 as Token } from \"../Token/Token_v1.sol\";\n\ncontract ERC20Token_v1 is Token {\n\n function transfer(address _to, uint _value) returns (bool) {\n //Default assumes totalSupply can't be over max (2^256 - 1).\n if (balances[msg.sender] >= _value && balances[_to] + _value >= balances[_to]) {\n balances[msg.sender] -= _value;\n balances[_to] += _value;\n Transfer(msg.sender, _to, _value);\n return true;\n } else { return false; }\n }\n\n function transferFrom(address _from, address _to, uint _value) returns (bool) {\n if (balances[_from] >= _value && allowed[_from][msg.sender] >= _value && balances[_to] + _value >= balances[_to]) {\n balances[_to] += _value;\n balances[_from] -= _value;\n allowed[_from][msg.sender] -= _value;\n Transfer(_from, _to, _value);\n return true;\n } else { return false; }\n }\n\n function balanceOf(address _owner) constant returns (uint) {\n return balances[_owner];\n }\n\n function approve(address _spender, uint _value) returns (bool) {\n allowed[msg.sender][_spender] = _value;\n Approval(msg.sender, _spender, _value);\n return true;\n }\n\n function allowance(address _owner, address _spender) constant returns (uint) {\n return allowed[_owner][_spender];\n }\n\n mapping (address => uint) balances;\n mapping (address => mapping (address => uint)) allowed;\n uint public totalSupply;\n}\n", + "1.0.0/Token/Token_v1.sol": "pragma solidity ^0.4.11;\n\ncontract Token_v1 {\n\n /// @return total amount of tokens\n function totalSupply() constant returns (uint supply) {}\n\n /// @param _owner The address from which the balance will be retrieved\n /// @return The balance\n function balanceOf(address _owner) constant returns (uint balance) {}\n\n /// @notice send `_value` token to `_to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return Whether the transfer was successful or not\n function transfer(address _to, uint _value) returns (bool success) {}\n\n /// @notice send `_value` token to `_to` from `_from` on the condition it is approved by `_from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return Whether the transfer was successful or not\n function transferFrom(address _from, address _to, uint _value) returns (bool success) {}\n\n /// @notice `msg.sender` approves `_addr` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Whether the approval was successful or not\n function approve(address _spender, uint _value) returns (bool success) {}\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender) constant returns (uint remaining) {}\n\n event Transfer(address indexed _from, address indexed _to, uint _value);\n event Approval(address indexed _owner, address indexed _spender, uint _value);\n}\n\n", + "1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity ^0.4.11;\n\nimport { ERC20Token_v1 as ERC20Token } from \"../ERC20Token/ERC20Token_v1.sol\";\n\ncontract UnlimitedAllowanceToken_v1 is ERC20Token {\n\n uint constant MAX_UINT = 2**256 - 1;\n\n /// @dev ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited allowance.\n /// @param _from Address to transfer from.\n /// @param _to Address to transfer to.\n /// @param _value Amount to transfer.\n /// @return Success of transfer.\n function transferFrom(address _from, address _to, uint _value)\n public\n returns (bool)\n {\n uint allowance = allowed[_from][msg.sender];\n if (balances[_from] >= _value\n && allowance >= _value\n && balances[_to] + _value >= balances[_to]\n ) {\n balances[_to] += _value;\n balances[_from] -= _value;\n if (allowance < MAX_UINT) {\n allowed[_from][msg.sender] -= _value;\n }\n Transfer(_from, _to, _value);\n return true;\n } else {\n return false;\n }\n }\n}\n", + "2.0.0/tokens/ZRXToken/ZRXToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.11;\n\n// solhint-disable-next-line max-line-length\nimport { UnlimitedAllowanceToken_v1 as UnlimitedAllowanceToken } from \"../../../1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\";\n\n\ncontract ZRXToken is \n UnlimitedAllowanceToken\n{\n\n // solhint-disable const-name-snakecase\n uint8 constant public decimals = 18;\n uint256 public totalSupply = 10**27; // 1 billion tokens, 18 decimal places\n string constant public name = \"0x Protocol Token\";\n string constant public symbol = \"ZRX\";\n // solhint-enableconst-name-snakecase\n\n function ZRXToken()\n public\n {\n balances[msg.sender] = totalSupply;\n }\n}\n" + }, + "sourceTreeHashHex": "0xe3fb14114a377d3b5f004168d4f43cb29ab930b3277425645bdbd609bf974317", + "compiler": { + "name": "solc", + "version": "soljson-v0.4.11+commit.68ef5810.js", + "settings": { + "optimizer": { + "enabled": true, + "runs": 1000000 + }, + "outputSelection": { + "*": { + "*": [ + "abi", + "evm.bytecode.object", + "evm.bytecode.sourceMap", + "evm.deployedBytecode.object", + "evm.deployedBytecode.sourceMap" + ] + } + } + } + }, + "networks": { + "3": { + "address": "0xff67881f8d12f372d91baae9752eb3631ff0ed00", + "links": {}, + "constructorArgs": "[\"0x Protocol Token\",\"ZRX\",\"18\",\"1000000000000000000000000000\"]" + }, + "42": { + "address": "0x2002d3812f58e35f0ea1ffbf80a75a38c32175fa", + "links": {}, + "constructorArgs": "[\"0x Protocol Token\",\"ZRX\",\"18\",\"1000000000000000000000000000\"]" + }, + "50": { + "address": "0x871dd7c2b4b25e1aa18728e9d5f2af4c4e431f5c", + "links": {}, + "constructorArgs": "[]" + } + } +} -- cgit v1.2.3 From 2fe3f40be927955c6ad39aa0548cffd085a02c27 Mon Sep 17 00:00:00 2001 From: Alex Browne Date: Tue, 4 Sep 2018 16:09:59 -0400 Subject: Add missing testnet addresses to 2.0.0-mainnet artifacts --- .../artifacts/2.0.0-mainnet/AssetProxyOwner.json | 17 ++++++++++++++++- .../migrations/artifacts/2.0.0-mainnet/ERC20Proxy.json | 17 ++++++++++++++++- .../migrations/artifacts/2.0.0-mainnet/ERC721Proxy.json | 17 ++++++++++++++++- .../migrations/artifacts/2.0.0-mainnet/Exchange.json | 17 ++++++++++++++++- .../migrations/artifacts/2.0.0-mainnet/Forwarder.json | 17 ++++++++++++++++- .../artifacts/2.0.0-mainnet/OrderValidator.json | 17 ++++++++++++++++- 6 files changed, 96 insertions(+), 6 deletions(-) (limited to 'packages') diff --git a/packages/migrations/artifacts/2.0.0-mainnet/AssetProxyOwner.json b/packages/migrations/artifacts/2.0.0-mainnet/AssetProxyOwner.json index 4e42f36af..680ed3abd 100644 --- a/packages/migrations/artifacts/2.0.0-mainnet/AssetProxyOwner.json +++ b/packages/migrations/artifacts/2.0.0-mainnet/AssetProxyOwner.json @@ -965,6 +965,21 @@ "address": "0x17992e4ffb22730138e4b62aaa6367fa9d3699a6", "links": {}, "constructorArgs": "[[\"0x257619b7155d247e43c8b6d90c8c17278ae481f0\",\"0x5ee2a00f8f01d099451844af7f894f26a57fcbf2\",\"0x894d623e0e0e8ed12c4a73dada999e275684a37d\"],[\"0x2240dab907db71e64d3e0dba4800c83b5c502d4e\",\"0x208e41fb445f1bb1b6780d58356e81405f3e6127\"],\"2\",\"1209600\"]" + }, + "3": { + "address": "0xf5fa5b5fed2727a0e44ac67f6772e97977aa358b", + "links": {}, + "constructorArgs": "[[\"0x9df8137872ac09a8fee71d0da5c7539923fb9bf0\",\"0xcf34d44db312d188789f43a63d11cf2bebb4da15\",\"0x73fd50f2a6beac9cdac9fe87ef68a18edc415831\"],[\"0xb1408f4c245a23c31b98d2c626777d4c0d766caa\",\"0xe654aac058bfbf9f83fcaee7793311dd82f6ddb4\"],\"1\",\"0\"]" + }, + "42": { + "address": "0x2c824d2882baa668e0d5202b1e7f2922278703f8", + "links": {}, + "constructorArgs": "[[\"0x9df8137872ac09a8fee71d0da5c7539923fb9bf0\",\"0xcf34d44db312d188789f43a63d11cf2bebb4da15\",\"0x73fd50f2a6beac9cdac9fe87ef68a18edc415831\"],[\"0xf1ec01d6236d3cd881a0bf0130ea25fe4234003e\",\"0x2a9127c745688a165106c11cd4d647d2220af821\"],\"1\",\"0\"]" + }, + "50": { + "address": "0x34d402f14d58e001d8efbe6585051bf9706aa064", + "links": {}, + "constructorArgs": "[[\"0x9df8137872ac09a8fee71d0da5c7539923fb9bf0\",\"0xcf34d44db312d188789f43a63d11cf2bebb4da15\",\"0x73fd50f2a6beac9cdac9fe87ef68a18edc415831\"],[\"0x1dc4c1cefef38a777b15aa20260a54e584b16c48\",\"0x1d7022f5b17d2f8b695918fb48fa1089c9f85401\"],\"1\",\"0\"]" } } -} \ No newline at end of file +} diff --git a/packages/migrations/artifacts/2.0.0-mainnet/ERC20Proxy.json b/packages/migrations/artifacts/2.0.0-mainnet/ERC20Proxy.json index 841a2260e..5bd37ef26 100644 --- a/packages/migrations/artifacts/2.0.0-mainnet/ERC20Proxy.json +++ b/packages/migrations/artifacts/2.0.0-mainnet/ERC20Proxy.json @@ -461,6 +461,21 @@ "address": "0x2240dab907db71e64d3e0dba4800c83b5c502d4e", "links": {}, "constructorArgs": "[]" + }, + "3": { + "address": "0xb1408f4c245a23c31b98d2c626777d4c0d766caa", + "links": {}, + "constructorArgs": "[]" + }, + "42": { + "address": "0xf1ec01d6236d3cd881a0bf0130ea25fe4234003e", + "links": {}, + "constructorArgs": "[]" + }, + "50": { + "address": "0x1dc4c1cefef38a777b15aa20260a54e584b16c48", + "links": {}, + "constructorArgs": "[]" } } -} \ No newline at end of file +} diff --git a/packages/migrations/artifacts/2.0.0-mainnet/ERC721Proxy.json b/packages/migrations/artifacts/2.0.0-mainnet/ERC721Proxy.json index cbd7312a1..2359c0519 100644 --- a/packages/migrations/artifacts/2.0.0-mainnet/ERC721Proxy.json +++ b/packages/migrations/artifacts/2.0.0-mainnet/ERC721Proxy.json @@ -461,6 +461,21 @@ "address": "0x208e41fb445f1bb1b6780d58356e81405f3e6127", "links": {}, "constructorArgs": "[]" + }, + "3": { + "address": "0xe654aac058bfbf9f83fcaee7793311dd82f6ddb4", + "links": {}, + "constructorArgs": "[]" + }, + "42": { + "address": "0x2a9127c745688a165106c11cd4d647d2220af821", + "links": {}, + "constructorArgs": "[]" + }, + "50": { + "address": "0x1d7022f5b17d2f8b695918fb48fa1089c9f85401", + "links": {}, + "constructorArgs": "[]" } } -} \ No newline at end of file +} diff --git a/packages/migrations/artifacts/2.0.0-mainnet/Exchange.json b/packages/migrations/artifacts/2.0.0-mainnet/Exchange.json index 72d1adf7d..631bba974 100644 --- a/packages/migrations/artifacts/2.0.0-mainnet/Exchange.json +++ b/packages/migrations/artifacts/2.0.0-mainnet/Exchange.json @@ -2242,6 +2242,21 @@ "address": "0x4f833a24e1f95d70f028921e27040ca56e09ab0b", "links": {}, "constructorArgs": "[]" + }, + "3": { + "address": "0x4530c0483a1633c7a1c97d2c53721caff2caaaaf", + "links": {}, + "constructorArgs": "[\"0xf47261b0000000000000000000000000ff67881f8d12f372d91baae9752eb3631ff0ed00\"]" + }, + "42": { + "address": "0x35dd2932454449b14cee11a94d3674a936d5d7b2", + "links": {}, + "constructorArgs": "[\"0xf47261b00000000000000000000000002002d3812f58e35f0ea1ffbf80a75a38c32175fa\"]" + }, + "50": { + "address": "0x48bacb9266a570d521063ef5dd96e61686dbe788", + "links": {}, + "constructorArgs": "[\"0xf47261b0000000000000000000000000871dd7c2b4b25e1aa18728e9d5f2af4c4e431f5c\"]" } } -} \ No newline at end of file +} diff --git a/packages/migrations/artifacts/2.0.0-mainnet/Forwarder.json b/packages/migrations/artifacts/2.0.0-mainnet/Forwarder.json index 42e8f6135..3879837e5 100644 --- a/packages/migrations/artifacts/2.0.0-mainnet/Forwarder.json +++ b/packages/migrations/artifacts/2.0.0-mainnet/Forwarder.json @@ -714,6 +714,21 @@ "address": "0x7afc2d5107af94c462a194d2c21b5bdd238709d6", "links": {}, "constructorArgs": "[\"0x4f833a24e1f95d70f028921e27040ca56e09ab0b\",\"0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\",\"0xf47261b0000000000000000000000000c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2\"]" + }, + "3": { + "address": "0x3983e204b12b3c02fb0638caf2cd406a62e0ead3", + "links": {}, + "constructorArgs": "[\"0x4530c0483a1633c7a1c97d2c53721caff2caaaaf\",\"0xf47261b0000000000000000000000000ff67881f8d12f372d91baae9752eb3631ff0ed00\",\"0xf47261b0000000000000000000000000c778417e063141139fce010982780140aa0cd5ab\"]" + }, + "42": { + "address": "0xd85e2fa7e7e252b27b01bf0d65c946959d2f45b8", + "links": {}, + "constructorArgs": "[\"0x35dd2932454449b14cee11a94d3674a936d5d7b2\",\"0xf47261b00000000000000000000000002002d3812f58e35f0ea1ffbf80a75a38c32175fa\",\"0xf47261b0000000000000000000000000d0a1e359811322d97991e03f863a0c30c2cf029c\"]" + }, + "50": { + "address": "0xb69e673309512a9d726f87304c6984054f87a93b", + "links": {}, + "constructorArgs": "[\"0x0b1ba0af832d7c05fd64161e0db78e85978e8082\",\"0xf47261b0000000000000000000000000871dd7c2b4b25e1aa18728e9d5f2af4c4e431f5c\",\"0xf47261b00000000000000000000000000000000000000000000000000000000000000000\"]" } } -} \ No newline at end of file +} diff --git a/packages/migrations/artifacts/2.0.0-mainnet/OrderValidator.json b/packages/migrations/artifacts/2.0.0-mainnet/OrderValidator.json index f1e0493db..c6af06d9c 100644 --- a/packages/migrations/artifacts/2.0.0-mainnet/OrderValidator.json +++ b/packages/migrations/artifacts/2.0.0-mainnet/OrderValidator.json @@ -838,6 +838,21 @@ "address": "0x9463e518dea6810309563c81d5266c1b1d149138", "links": {}, "constructorArgs": "[\"0x4f833a24e1f95d70f028921e27040ca56e09ab0b\",\"0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\"]" + }, + "3": { + "address": "0x90431a90516ab49af23a0530e04e8c7836e7122f", + "links": {}, + "constructorArgs": "[\"0x4530c0483a1633c7a1c97d2c53721caff2caaaaf\",\"0xf47261b0000000000000000000000000ff67881f8d12f372d91baae9752eb3631ff0ed00\"]" + }, + "42": { + "address": "0xb389da3d204b412df2f75c6afb3d0a7ce0bc283d", + "links": {}, + "constructorArgs": "[\"0x35dd2932454449b14cee11a94d3674a936d5d7b2\",\"0xf47261b00000000000000000000000002002d3812f58e35f0ea1ffbf80a75a38c32175fa\"]" + }, + "50": { + "address": "0xe86bb98fcf9bff3512c74589b78fb168200cc546", + "links": {}, + "constructorArgs": "[\"0x48bacb9266a570d521063ef5dd96e61686dbe788\",\"0xf47261b0000000000000000000000000871dd7c2b4b25e1aa18728e9d5f2af4c4e431f5c\"]" } } -} \ No newline at end of file +} -- cgit v1.2.3 From 4ed84c5dc5e32452d94d96be2f019bf453e9b6ea Mon Sep 17 00:00:00 2001 From: Alex Browne Date: Tue, 4 Sep 2018 16:11:17 -0400 Subject: Rename 2.0.0-beta-testnet to 2.0.0-testnet --- .../2.0.0-beta-testnet/AssetProxyOwner.json | 1012 -- .../2.0.0-beta-testnet/DummyERC20Token.json | 641 -- .../2.0.0-beta-testnet/DummyERC721Token.json | 672 -- .../artifacts/2.0.0-beta-testnet/ERC20Proxy.json | 508 - .../artifacts/2.0.0-beta-testnet/ERC20Token.json | 486 - .../artifacts/2.0.0-beta-testnet/ERC721Proxy.json | 508 - .../artifacts/2.0.0-beta-testnet/ERC721Token.json | 565 -- .../artifacts/2.0.0-beta-testnet/Exchange.json | 2294 ----- .../artifacts/2.0.0-beta-testnet/Forwarder.json | 761 -- .../artifacts/2.0.0-beta-testnet/IValidator.json | 320 - .../artifacts/2.0.0-beta-testnet/IWallet.json | 316 - .../2.0.0-beta-testnet/OrderValidator.json | 885 -- .../artifacts/2.0.0-beta-testnet/WETH9.json | 346 - .../artifacts/2.0.0-beta-testnet/ZRXToken.json | 10041 ------------------- .../artifacts/2.0.0-testnet/AssetProxyOwner.json | 1012 ++ .../artifacts/2.0.0-testnet/DummyERC20Token.json | 641 ++ .../artifacts/2.0.0-testnet/DummyERC721Token.json | 672 ++ .../artifacts/2.0.0-testnet/ERC20Proxy.json | 508 + .../artifacts/2.0.0-testnet/ERC20Token.json | 486 + .../artifacts/2.0.0-testnet/ERC721Proxy.json | 508 + .../artifacts/2.0.0-testnet/ERC721Token.json | 565 ++ .../artifacts/2.0.0-testnet/Exchange.json | 2294 +++++ .../artifacts/2.0.0-testnet/Forwarder.json | 761 ++ .../artifacts/2.0.0-testnet/IValidator.json | 320 + .../artifacts/2.0.0-testnet/IWallet.json | 316 + .../artifacts/2.0.0-testnet/OrderValidator.json | 885 ++ .../migrations/artifacts/2.0.0-testnet/WETH9.json | 346 + .../artifacts/2.0.0-testnet/ZRXToken.json | 10041 +++++++++++++++++++ 28 files changed, 19355 insertions(+), 19355 deletions(-) delete mode 100644 packages/migrations/artifacts/2.0.0-beta-testnet/AssetProxyOwner.json delete mode 100644 packages/migrations/artifacts/2.0.0-beta-testnet/DummyERC20Token.json delete mode 100644 packages/migrations/artifacts/2.0.0-beta-testnet/DummyERC721Token.json delete mode 100644 packages/migrations/artifacts/2.0.0-beta-testnet/ERC20Proxy.json delete mode 100644 packages/migrations/artifacts/2.0.0-beta-testnet/ERC20Token.json delete mode 100644 packages/migrations/artifacts/2.0.0-beta-testnet/ERC721Proxy.json delete mode 100644 packages/migrations/artifacts/2.0.0-beta-testnet/ERC721Token.json delete mode 100644 packages/migrations/artifacts/2.0.0-beta-testnet/Exchange.json delete mode 100644 packages/migrations/artifacts/2.0.0-beta-testnet/Forwarder.json delete mode 100644 packages/migrations/artifacts/2.0.0-beta-testnet/IValidator.json delete mode 100644 packages/migrations/artifacts/2.0.0-beta-testnet/IWallet.json delete mode 100644 packages/migrations/artifacts/2.0.0-beta-testnet/OrderValidator.json delete mode 100644 packages/migrations/artifacts/2.0.0-beta-testnet/WETH9.json delete mode 100644 packages/migrations/artifacts/2.0.0-beta-testnet/ZRXToken.json create mode 100644 packages/migrations/artifacts/2.0.0-testnet/AssetProxyOwner.json create mode 100644 packages/migrations/artifacts/2.0.0-testnet/DummyERC20Token.json create mode 100644 packages/migrations/artifacts/2.0.0-testnet/DummyERC721Token.json create mode 100644 packages/migrations/artifacts/2.0.0-testnet/ERC20Proxy.json create mode 100644 packages/migrations/artifacts/2.0.0-testnet/ERC20Token.json create mode 100644 packages/migrations/artifacts/2.0.0-testnet/ERC721Proxy.json create mode 100644 packages/migrations/artifacts/2.0.0-testnet/ERC721Token.json create mode 100644 packages/migrations/artifacts/2.0.0-testnet/Exchange.json create mode 100644 packages/migrations/artifacts/2.0.0-testnet/Forwarder.json create mode 100644 packages/migrations/artifacts/2.0.0-testnet/IValidator.json create mode 100644 packages/migrations/artifacts/2.0.0-testnet/IWallet.json create mode 100644 packages/migrations/artifacts/2.0.0-testnet/OrderValidator.json create mode 100644 packages/migrations/artifacts/2.0.0-testnet/WETH9.json create mode 100644 packages/migrations/artifacts/2.0.0-testnet/ZRXToken.json (limited to 'packages') diff --git a/packages/migrations/artifacts/2.0.0-beta-testnet/AssetProxyOwner.json b/packages/migrations/artifacts/2.0.0-beta-testnet/AssetProxyOwner.json deleted file mode 100644 index 86fc10924..000000000 --- a/packages/migrations/artifacts/2.0.0-beta-testnet/AssetProxyOwner.json +++ /dev/null @@ -1,1012 +0,0 @@ -{ - "schemaVersion": "2.0.0", - "contractName": "AssetProxyOwner", - "compilerOutput": { - "abi": [ - { - "constant": true, - "inputs": [ - { - "name": "", - "type": "uint256" - } - ], - "name": "owners", - "outputs": [ - { - "name": "", - "type": "address" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "owner", - "type": "address" - } - ], - "name": 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- "opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE CALLVALUE DUP1 ISZERO PUSH3 0x11 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x40 MLOAD PUSH3 0x2463 CODESIZE SUB DUP1 PUSH3 0x2463 DUP4 CODECOPY DUP2 ADD PUSH1 0x40 SWAP1 DUP2 MSTORE DUP2 MLOAD PUSH1 0x20 DUP4 ADD MLOAD SWAP2 DUP4 ADD MLOAD PUSH1 0x60 DUP5 ADD MLOAD SWAP2 DUP5 ADD DUP1 MLOAD SWAP1 SWAP5 SWAP4 SWAP1 SWAP4 ADD SWAP3 SWAP1 SWAP2 SWAP1 PUSH1 0x0 SWAP1 DUP2 SWAP1 DUP7 SWAP1 DUP6 SWAP1 DUP6 SWAP1 DUP4 SWAP1 DUP4 SWAP1 DUP7 SWAP1 DUP3 PUSH1 0x32 DUP3 GT DUP1 ISZERO SWAP1 PUSH3 0x6C JUMPI POP DUP2 DUP2 GT ISZERO JUMPDEST DUP1 ISZERO PUSH3 0x78 JUMPI POP DUP1 ISZERO ISZERO JUMPDEST DUP1 ISZERO PUSH3 0x84 JUMPI POP DUP2 ISZERO ISZERO JUMPDEST ISZERO ISZERO PUSH3 0x90 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 SWAP3 POP JUMPDEST DUP5 MLOAD DUP4 LT ISZERO PUSH3 0x168 JUMPI PUSH1 0x2 PUSH1 0x0 DUP7 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH3 0xB2 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD DUP2 ADD MLOAD PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB AND DUP3 MSTORE DUP2 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0x40 ADD PUSH1 0x0 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO DUP1 ISZERO PUSH3 0x108 JUMPI POP DUP5 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH3 0xF0 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB AND PUSH1 0x0 EQ ISZERO JUMPDEST ISZERO ISZERO PUSH3 0x114 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x1 PUSH1 0x2 PUSH1 0x0 DUP8 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH3 0x129 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP2 SWAP1 SWAP2 ADD DUP2 ADD MLOAD PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB AND DUP3 MSTORE DUP2 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0x40 ADD PUSH1 0x0 KECCAK256 DUP1 SLOAD PUSH1 0xFF NOT AND SWAP2 ISZERO ISZERO SWAP2 SWAP1 SWAP2 OR SWAP1 SSTORE PUSH1 0x1 SWAP3 SWAP1 SWAP3 ADD SWAP2 PUSH3 0x95 JUMP JUMPDEST DUP5 MLOAD PUSH3 0x17D SWAP1 PUSH1 0x3 SWAP1 PUSH1 0x20 DUP9 ADD SWAP1 PUSH3 0x26C JUMP JUMPDEST POP POP POP PUSH1 0x4 SWAP2 SWAP1 SWAP2 SSTORE POP POP PUSH1 0x6 SSTORE POP PUSH1 0x0 SWAP3 POP POP JUMPDEST DUP5 MLOAD DUP3 LT ISZERO PUSH3 0x260 JUMPI DUP5 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH3 0x1AB JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD SWAP1 POP PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB DUP2 AND ISZERO ISZERO PUSH3 0x22F JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x494E56414C49445F41535345545F50524F585900000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x8 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 DUP1 SLOAD PUSH1 0xFF NOT AND PUSH1 0x1 SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH3 0x192 JUMP JUMPDEST POP POP POP POP POP POP PUSH3 0x300 JUMP JUMPDEST DUP3 DUP1 SLOAD DUP3 DUP3 SSTORE SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 DUP2 ADD SWAP3 DUP3 ISZERO PUSH3 0x2C4 JUMPI SWAP2 PUSH1 0x20 MUL DUP3 ADD JUMPDEST DUP3 DUP2 GT ISZERO PUSH3 0x2C4 JUMPI DUP3 MLOAD DUP3 SLOAD PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB NOT AND PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB SWAP1 SWAP2 AND OR DUP3 SSTORE PUSH1 0x20 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH3 0x28D JUMP JUMPDEST POP PUSH3 0x2D2 SWAP3 SWAP2 POP PUSH3 0x2D6 JUMP JUMPDEST POP SWAP1 JUMP JUMPDEST PUSH3 0x2FD SWAP2 SWAP1 JUMPDEST DUP1 DUP3 GT ISZERO PUSH3 0x2D2 JUMPI DUP1 SLOAD PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB NOT AND DUP2 SSTORE PUSH1 0x1 ADD PUSH3 0x2DD JUMP JUMPDEST SWAP1 JUMP JUMPDEST PUSH2 0x2153 DUP1 PUSH3 0x310 PUSH1 0x0 CODECOPY PUSH1 0x0 RETURN STOP PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0x15E JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x25E7C27 DUP2 EQ PUSH2 0x1A0 JUMPI DUP1 PUSH4 0x173825D9 EQ PUSH2 0x1E1 JUMPI DUP1 PUSH4 0x20EA8D86 EQ PUSH2 0x20F JUMPI DUP1 PUSH4 0x2F54BF6E EQ PUSH2 0x227 JUMPI DUP1 PUSH4 0x3411C81C EQ PUSH2 0x269 JUMPI DUP1 PUSH4 0x3589B35C EQ PUSH2 0x29A JUMPI DUP1 PUSH4 0x37BD78A0 EQ PUSH2 0x2B2 JUMPI DUP1 PUSH4 0x54741525 EQ PUSH2 0x2D9 JUMPI DUP1 PUSH4 0x5A1A66AF EQ PUSH2 0x2F8 JUMPI DUP1 PUSH4 0x7065CB48 EQ PUSH2 0x32B JUMPI DUP1 PUSH4 0x784547A7 EQ PUSH2 0x359 JUMPI DUP1 PUSH4 0x7AD28C51 EQ PUSH2 0x371 JUMPI DUP1 PUSH4 0x83250F79 EQ PUSH2 0x389 JUMPI DUP1 PUSH4 0x8B51D13F EQ PUSH2 0x3B7 JUMPI DUP1 PUSH4 0x9ACE38C2 EQ PUSH2 0x3CF JUMPI DUP1 PUSH4 0xA0E67E2B EQ PUSH2 0x4A4 JUMPI DUP1 PUSH4 0xA8ABE69A EQ PUSH2 0x509 JUMPI DUP1 PUSH4 0xB5DC40C3 EQ PUSH2 0x52E JUMPI DUP1 PUSH4 0xB77BF600 EQ PUSH2 0x546 JUMPI DUP1 PUSH4 0xBA51A6DF EQ PUSH2 0x55B JUMPI DUP1 PUSH4 0xC01A8C84 EQ PUSH2 0x573 JUMPI DUP1 PUSH4 0xC6427474 EQ PUSH2 0x58B JUMPI DUP1 PUSH4 0xD38F2D82 EQ PUSH2 0x601 JUMPI DUP1 PUSH4 0xD74F8EDD EQ PUSH2 0x619 JUMPI DUP1 PUSH4 0xDC8452CD EQ PUSH2 0x62E JUMPI DUP1 PUSH4 0xE20056E6 EQ PUSH2 0x643 JUMPI DUP1 PUSH4 0xEE22610B EQ PUSH2 0x677 JUMPI JUMPDEST PUSH1 0x0 CALLVALUE GT ISZERO PUSH2 0x19E JUMPI PUSH1 0x40 DUP1 MLOAD CALLVALUE DUP2 MSTORE SWAP1 MLOAD CALLER SWAP2 PUSH32 0xE1FFFCC4923D04B559F4D29A8BFC6CDA04EB5B0D3C460751C2402C5C5CC9109C SWAP2 SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 LOG2 JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1AC JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1B8 PUSH1 0x4 CALLDATALOAD PUSH2 0x68F JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1ED JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x6C4 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x21B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0x91B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x233 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x255 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x9F3 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x275 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x255 PUSH1 0x4 CALLDATALOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x24 CALLDATALOAD AND PUSH2 0xA08 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2A6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0xA28 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2BE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH2 0xEDA JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2E5 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH1 0x4 CALLDATALOAD ISZERO ISZERO PUSH1 0x24 CALLDATALOAD ISZERO ISZERO PUSH2 0xEE0 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x304 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD ISZERO ISZERO PUSH2 0xF4C JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x337 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x100B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x365 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x255 PUSH1 0x4 CALLDATALOAD PUSH2 0x1180 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x37D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0x1211 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x395 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x255 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x1258 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3C3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH1 0x4 CALLDATALOAD PUSH2 0x126D JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3DB JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x3E7 PUSH1 0x4 CALLDATALOAD PUSH2 0x12E9 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD DUP5 DUP2 MSTORE PUSH1 0x20 ADD DUP1 PUSH1 0x20 ADD DUP4 ISZERO ISZERO ISZERO ISZERO DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP2 SUB DUP3 MSTORE DUP5 DUP2 DUP2 MLOAD DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP DUP1 MLOAD SWAP1 PUSH1 0x20 ADD SWAP1 DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x466 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x44E JUMP JUMPDEST POP POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x493 JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP6 POP POP POP POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x4B0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x4B9 PUSH2 0x13D2 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 DUP2 ADD SWAP2 MUL DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x4F5 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x4DD JUMP JUMPDEST POP POP POP POP SWAP1 POP ADD SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x515 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x4B9 PUSH1 0x4 CALLDATALOAD PUSH1 0x24 CALLDATALOAD PUSH1 0x44 CALLDATALOAD ISZERO ISZERO PUSH1 0x64 CALLDATALOAD ISZERO ISZERO PUSH2 0x1442 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x53A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x4B9 PUSH1 0x4 CALLDATALOAD PUSH2 0x157B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x552 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH2 0x1728 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x567 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0x172E JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x57F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0x17AD JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x597 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x4 PUSH1 0x44 CALLDATALOAD DUP2 DUP2 ADD CALLDATALOAD PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP6 ADD DUP5 ADD SWAP1 SWAP6 MSTORE DUP5 DUP5 MSTORE PUSH2 0x2C7 SWAP5 DUP3 CALLDATALOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP5 PUSH1 0x24 DUP1 CALLDATALOAD SWAP6 CALLDATASIZE SWAP6 SWAP5 PUSH1 0x64 SWAP5 SWAP3 ADD SWAP2 SWAP1 DUP2 SWAP1 DUP5 ADD DUP4 DUP3 DUP1 DUP3 DUP5 CALLDATACOPY POP SWAP5 SWAP8 POP PUSH2 0x1921 SWAP7 POP POP POP POP POP POP POP JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x60D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH1 0x4 CALLDATALOAD PUSH2 0x1940 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x625 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH2 0x1952 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x63A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH2 0x1957 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x64F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0x195D JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x683 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0x1B6D JUMP JUMPDEST PUSH1 0x3 DUP1 SLOAD DUP3 SWAP1 DUP2 LT PUSH2 0x69D JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 POP DUP2 JUMP JUMPDEST PUSH1 0x0 CALLER ADDRESS EQ PUSH2 0x6D2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP3 SWAP1 PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x708 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE SWAP2 POP JUMPDEST PUSH1 0x3 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP3 LT ISZERO PUSH2 0x88B JUMPI DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x3 DUP4 DUP2 SLOAD DUP2 LT ISZERO ISZERO PUSH2 0x7A8 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO PUSH2 0x880 JUMPI PUSH1 0x3 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 ADD SWAP1 DUP2 LT PUSH2 0x800 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH1 0x3 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND SWAP2 DUP5 SWAP1 DUP2 LT PUSH2 0x833 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 ADD PUSH1 0x0 PUSH2 0x100 EXP DUP2 SLOAD DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF MUL NOT AND SWAP1 DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND MUL OR SWAP1 SSTORE POP PUSH2 0x88B JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH2 0x756 JUMP JUMPDEST PUSH1 0x3 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 PUSH2 0x8BC SWAP1 DUP3 PUSH2 0x2066 JUMP JUMPDEST POP PUSH1 0x3 SLOAD PUSH1 0x4 SLOAD GT ISZERO PUSH2 0x8D5 JUMPI PUSH1 0x3 SLOAD PUSH2 0x8D5 SWAP1 PUSH2 0x172E JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND SWAP1 PUSH32 0x8001553A916EF2F495D26A907CC54D96ED840D7BDA71E73194BF5A9DF7A76B90 SWAP1 PUSH1 0x0 SWAP1 LOG2 POP POP POP JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x939 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP1 DUP6 MSTORE SWAP3 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD DUP4 SWAP2 SWAP1 PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x965 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x3 ADD SLOAD DUP5 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0x986 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP6 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP1 DUP6 MSTORE SWAP3 MSTORE DUP1 DUP4 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE MLOAD DUP8 SWAP3 PUSH32 0xF6A317157440607F36269043EB55F1287A5A19BA2216AFEAB88CD46CBCFB88E9 SWAP2 LOG3 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x0 SWAP3 DUP4 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 SWAP1 SWAP2 MSTORE SWAP1 DUP3 MSTORE SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP2 KECCAK256 PUSH1 0x3 ADD SLOAD DUP3 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0xA49 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP3 PUSH2 0xA53 DUP2 PUSH2 0x1180 JUMP JUMPDEST ISZERO ISZERO PUSH2 0xAC0 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x54585F4E4F545F46554C4C595F434F4E4649524D454400000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP5 MSTORE PUSH1 0x8 SWAP1 SWAP3 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD DUP6 SWAP2 SWAP1 PUSH1 0xFF AND ISZERO ISZERO PUSH2 0xB65 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x18 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x554E524547495354455245445F41535345545F50524F58590000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x72656D6F7665417574686F72697A6564416464726573734174496E6465782861 DUP2 MSTORE PUSH32 0x6464726573732C75696E74323536290000000000000000000000000000000000 PUSH1 0x20 DUP1 DUP4 ADD SWAP2 SWAP1 SWAP2 MSTORE DUP3 MLOAD SWAP2 DUP3 SWAP1 SUB PUSH1 0x2F ADD DUP3 KECCAK256 PUSH1 0x2 DUP1 DUP7 ADD DUP1 SLOAD PUSH1 0x1F PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH2 0x100 PUSH1 0x1 DUP5 AND ISZERO MUL ADD SWAP1 SWAP2 AND SWAP3 SWAP1 SWAP3 DIV SWAP2 DUP3 ADD DUP5 SWAP1 DIV DUP5 MUL DUP6 ADD DUP5 ADD SWAP1 SWAP6 MSTORE DUP1 DUP5 MSTORE PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 SWAP1 SWAP2 AND SWAP4 PUSH2 0xCA1 SWAP4 PUSH1 0x0 SWAP4 SWAP1 SWAP3 SWAP1 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0xC8E JUMPI DUP1 PUSH1 0x1F LT PUSH2 0xC63 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0xC8E JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0xC71 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP PUSH2 0x1DFD SWAP1 SWAP2 SWAP1 PUSH4 0xFFFFFFFF AND JUMP JUMPDEST PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND EQ PUSH2 0xD2F JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x19 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x494E56414C49445F46554E4354494F4E5F53454C4543544F5200000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP7 DUP2 MSTORE PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 SWAP2 DUP3 SWAP1 KECCAK256 PUSH1 0x3 DUP2 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP2 SLOAD DUP2 DUP4 ADD SLOAD PUSH1 0x2 DUP1 DUP6 ADD DUP1 SLOAD DUP9 MLOAD PUSH1 0x1F PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP8 DUP4 AND ISZERO PUSH2 0x100 MUL SWAP8 SWAP1 SWAP8 ADD SWAP1 SWAP2 AND SWAP3 SWAP1 SWAP3 DIV SWAP5 DUP6 ADD DUP8 SWAP1 DIV DUP8 MUL DUP3 ADD DUP8 ADD SWAP1 SWAP8 MSTORE DUP4 DUP2 MSTORE SWAP4 SWAP11 POP PUSH2 0xE47 SWAP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND SWAP5 SWAP1 SWAP4 SWAP2 SWAP1 DUP4 SWAP1 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0xE3D JUMPI DUP1 PUSH1 0x1F LT PUSH2 0xE12 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0xE3D JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0xE20 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP PUSH2 0x1EC5 JUMP JUMPDEST ISZERO PUSH2 0xE7C JUMPI PUSH1 0x40 MLOAD DUP7 SWAP1 PUSH32 0x33E13ECB54C3076D8E8BB8C2881800A4D972B792045FFAE98FDF46DF365FED75 SWAP1 PUSH1 0x0 SWAP1 LOG2 PUSH2 0xED2 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP7 SWAP1 PUSH32 0x526441BB6C1ABA3C9A4A6CA1D6545DA9C2333C8C48343EF398EB858D72B79236 SWAP1 PUSH1 0x0 SWAP1 LOG2 PUSH1 0x3 DUP6 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE JUMPDEST POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x6 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x0 DUP1 JUMPDEST PUSH1 0x5 SLOAD DUP2 LT ISZERO PUSH2 0xF45 JUMPI DUP4 DUP1 ISZERO PUSH2 0xF0D JUMPI POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x3 ADD SLOAD PUSH1 0xFF AND ISZERO JUMPDEST DUP1 PUSH2 0xF31 JUMPI POP DUP3 DUP1 ISZERO PUSH2 0xF31 JUMPI POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x3 ADD SLOAD PUSH1 0xFF AND JUMPDEST ISZERO PUSH2 0xF3D JUMPI PUSH1 0x1 DUP3 ADD SWAP2 POP JUMPDEST PUSH1 0x1 ADD PUSH2 0xEE4 JUMP JUMPDEST POP SWAP3 SWAP2 POP POP JUMP JUMPDEST CALLER ADDRESS EQ PUSH2 0xF58 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO ISZERO PUSH2 0xF7B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x8 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP2 DUP3 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND DUP7 ISZERO ISZERO SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP3 MLOAD SWAP4 DUP5 MSTORE SWAP1 DUP4 ADD MSTORE DUP1 MLOAD PUSH32 0xDAEF8FF7DC66C5E34EB9C338AAB679D9F427F89868D9228494455A4D982EB2B0 SWAP3 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG1 POP POP POP JUMP JUMPDEST CALLER ADDRESS EQ PUSH2 0x1017 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP2 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0x104C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO ISZERO PUSH2 0x106F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x3 DUP1 SLOAD SWAP1 POP PUSH1 0x1 ADD PUSH1 0x4 SLOAD PUSH1 0x32 DUP3 GT ISZERO DUP1 ISZERO PUSH2 0x108C JUMPI POP DUP2 DUP2 GT ISZERO JUMPDEST DUP1 ISZERO PUSH2 0x1097 JUMPI POP DUP1 ISZERO ISZERO JUMPDEST DUP1 ISZERO PUSH2 0x10A2 JUMPI POP DUP2 ISZERO ISZERO JUMPDEST ISZERO ISZERO PUSH2 0x10AD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP6 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE PUSH1 0x3 DUP1 SLOAD SWAP2 DUP3 ADD DUP2 SSTORE DUP4 MSTORE PUSH32 0xC2575A0E9E593C00F959F8C92F12DB2869C3395A3B0502D05E2516446F71F85B ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND DUP5 OR SWAP1 SSTORE MLOAD PUSH32 0xF39E6E1EB0EDCF53C221607B54B00CD28F3196FED0A24994DC308B8F611B682D SWAP2 SWAP1 LOG2 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 JUMPDEST PUSH1 0x3 SLOAD DUP2 LT ISZERO PUSH2 0x120A JUMPI PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 PUSH1 0x3 DUP1 SLOAD SWAP2 SWAP3 SWAP2 DUP5 SWAP1 DUP2 LT PUSH2 0x11AE JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 KECCAK256 SWAP1 SWAP2 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP4 MSTORE DUP3 ADD SWAP3 SWAP1 SWAP3 MSTORE PUSH1 0x40 ADD SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x11EF JUMPI PUSH1 0x1 DUP3 ADD SWAP2 POP JUMPDEST PUSH1 0x4 SLOAD DUP3 EQ ISZERO PUSH2 0x1202 JUMPI PUSH1 0x1 SWAP3 POP PUSH2 0x120A JUMP JUMPDEST PUSH1 0x1 ADD PUSH2 0x1185 JUMP JUMPDEST POP POP SWAP2 SWAP1 POP JUMP JUMPDEST CALLER ADDRESS EQ PUSH2 0x121D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x6 DUP2 SWAP1 SSTORE PUSH1 0x40 DUP1 MLOAD DUP3 DUP2 MSTORE SWAP1 MLOAD PUSH32 0xD1C9101A34FEFF75CCCEF14A28785A0279CB0B49C1F321F21F5F422E746B4377 SWAP2 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 LOG1 POP JUMP JUMPDEST PUSH1 0x8 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x0 DUP1 JUMPDEST PUSH1 0x3 SLOAD DUP2 LT ISZERO PUSH2 0x12E3 JUMPI PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 PUSH1 0x3 DUP1 SLOAD SWAP2 SWAP3 SWAP2 DUP5 SWAP1 DUP2 LT PUSH2 0x129A JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 KECCAK256 SWAP1 SWAP2 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP4 MSTORE DUP3 ADD SWAP3 SWAP1 SWAP3 MSTORE PUSH1 0x40 ADD SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x12DB JUMPI PUSH1 0x1 DUP3 ADD SWAP2 POP JUMPDEST PUSH1 0x1 ADD PUSH2 0x1271 JUMP JUMPDEST POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP2 DUP2 MSTORE SWAP2 DUP2 MSTORE PUSH1 0x40 SWAP1 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH1 0x1 DUP1 DUP4 ADD SLOAD PUSH1 0x2 DUP1 DUP6 ADD DUP1 SLOAD DUP8 MLOAD PUSH2 0x100 SWAP6 DUP3 AND ISZERO SWAP6 SWAP1 SWAP6 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD AND SWAP2 SWAP1 SWAP2 DIV PUSH1 0x1F DUP2 ADD DUP9 SWAP1 DIV DUP9 MUL DUP5 ADD DUP9 ADD SWAP1 SWAP7 MSTORE DUP6 DUP4 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP4 AND SWAP6 SWAP1 SWAP5 SWAP2 SWAP3 SWAP2 SWAP1 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x13BF JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x1394 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x13BF JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x13A2 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP PUSH1 0x3 SWAP1 SWAP4 ADD SLOAD SWAP2 SWAP3 POP POP PUSH1 0xFF AND DUP5 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x3 DUP1 SLOAD DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP1 SLOAD DUP1 ISZERO PUSH2 0x1437 JUMPI PUSH1 0x20 MUL DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x140C JUMPI JUMPDEST POP POP POP POP POP SWAP1 POP JUMPDEST SWAP1 JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x0 DUP1 PUSH1 0x5 SLOAD PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x1474 JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP3 POP PUSH1 0x0 SWAP2 POP PUSH1 0x0 SWAP1 POP JUMPDEST PUSH1 0x5 SLOAD DUP2 LT ISZERO PUSH2 0x14FB JUMPI DUP6 DUP1 ISZERO PUSH2 0x14A9 JUMPI POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x3 ADD SLOAD PUSH1 0xFF AND ISZERO JUMPDEST DUP1 PUSH2 0x14CD JUMPI POP DUP5 DUP1 ISZERO PUSH2 0x14CD JUMPI POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x3 ADD SLOAD PUSH1 0xFF AND JUMPDEST ISZERO PUSH2 0x14F3 JUMPI DUP1 DUP4 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x14E1 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MSTORE PUSH1 0x1 SWAP2 SWAP1 SWAP2 ADD SWAP1 JUMPDEST PUSH1 0x1 ADD PUSH2 0x1480 JUMP JUMPDEST DUP8 DUP8 SUB PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x1527 JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP4 POP DUP8 SWAP1 POP JUMPDEST DUP7 DUP2 LT ISZERO PUSH2 0x1570 JUMPI DUP3 DUP2 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1544 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP5 DUP10 DUP4 SUB DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x155E JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MSTORE PUSH1 0x1 ADD PUSH2 0x152E JUMP JUMPDEST POP POP POP SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x0 DUP1 PUSH1 0x3 DUP1 SLOAD SWAP1 POP PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x15B0 JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP3 POP PUSH1 0x0 SWAP2 POP PUSH1 0x0 SWAP1 POP JUMPDEST PUSH1 0x3 SLOAD DUP2 LT ISZERO PUSH2 0x1694 JUMPI PUSH1 0x0 DUP6 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 PUSH1 0x3 DUP1 SLOAD SWAP2 SWAP3 SWAP2 DUP5 SWAP1 DUP2 LT PUSH2 0x15E5 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 KECCAK256 SWAP1 SWAP2 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP4 MSTORE DUP3 ADD SWAP3 SWAP1 SWAP3 MSTORE PUSH1 0x40 ADD SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x168C JUMPI PUSH1 0x3 DUP1 SLOAD DUP3 SWAP1 DUP2 LT PUSH2 0x162D JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD DUP4 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP2 AND SWAP1 DUP5 SWAP1 DUP5 SWAP1 DUP2 LT PUSH2 0x1660 JUMPI INVALID JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND PUSH1 0x20 SWAP3 DUP4 MUL SWAP1 SWAP2 ADD SWAP1 SWAP2 ADD MSTORE PUSH1 0x1 SWAP2 SWAP1 SWAP2 ADD SWAP1 JUMPDEST PUSH1 0x1 ADD PUSH2 0x15BC JUMP JUMPDEST DUP2 PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x16BE JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP4 POP PUSH1 0x0 SWAP1 POP JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x1720 JUMPI DUP3 DUP2 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x16DC JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP5 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x16F4 JUMPI INVALID JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND PUSH1 0x20 SWAP3 DUP4 MUL SWAP1 SWAP2 ADD SWAP1 SWAP2 ADD MSTORE PUSH1 0x1 ADD PUSH2 0x16C6 JUMP JUMPDEST POP POP POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x5 SLOAD DUP2 JUMP JUMPDEST CALLER ADDRESS EQ PUSH2 0x173A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x3 SLOAD DUP2 PUSH1 0x32 DUP3 GT DUP1 ISZERO SWAP1 PUSH2 0x174F JUMPI POP DUP2 DUP2 GT ISZERO JUMPDEST DUP1 ISZERO PUSH2 0x175A JUMPI POP DUP1 ISZERO ISZERO JUMPDEST DUP1 ISZERO PUSH2 0x1765 JUMPI POP DUP2 ISZERO ISZERO JUMPDEST ISZERO ISZERO PUSH2 0x1770 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x4 DUP4 SWAP1 SSTORE PUSH1 0x40 DUP1 MLOAD DUP5 DUP2 MSTORE SWAP1 MLOAD PUSH32 0xA3F1EE9126A074D9326C682F561767F710E927FAA811F7A99829D49DC421797A SWAP2 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 LOG1 POP POP POP JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x17CB JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP3 SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND ISZERO ISZERO PUSH2 0x17FD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP1 DUP6 MSTORE SWAP3 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD DUP5 SWAP2 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0x1828 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP5 PUSH2 0x1832 DUP2 PUSH2 0x1180 JUMP JUMPDEST ISZERO PUSH2 0x189E JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x12 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x54585F46554C4C595F434F4E4649524D45440000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP7 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 CALLER DUP1 DUP7 MSTORE SWAP3 MSTORE DUP1 DUP5 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SWAP4 OR SWAP1 SWAP3 SSTORE SWAP1 MLOAD DUP9 SWAP3 PUSH32 0x4A504A94899432A9846E1AA406DCEB1BCFD538BB839071D49D1E5E23F5BE30EF SWAP2 LOG3 PUSH2 0x1912 DUP7 PUSH2 0x1180 JUMP JUMPDEST ISZERO PUSH2 0xED2 JUMPI PUSH2 0xED2 DUP7 TIMESTAMP PUSH2 0x1EE8 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x192E DUP5 DUP5 DUP5 PUSH2 0x1F33 JUMP JUMPDEST SWAP1 POP PUSH2 0x1939 DUP2 PUSH2 0x17AD JUMP JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x7 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x32 DUP2 JUMP JUMPDEST PUSH1 0x4 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x0 CALLER ADDRESS EQ PUSH2 0x196B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP4 SWAP1 PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x19A1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP4 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0x19D6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 SWAP3 POP JUMPDEST PUSH1 0x3 SLOAD DUP4 LT ISZERO PUSH2 0x1A9B JUMPI DUP5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x3 DUP5 DUP2 SLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1A0B JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO PUSH2 0x1A90 JUMPI DUP4 PUSH1 0x3 DUP5 DUP2 SLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1A43 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 ADD PUSH1 0x0 PUSH2 0x100 EXP DUP2 SLOAD DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF MUL NOT AND SWAP1 DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND MUL OR SWAP1 SSTORE POP PUSH2 0x1A9B JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP3 ADD SWAP2 PUSH2 0x19DB JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP7 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 SWAP1 DUP2 AND SWAP1 SWAP2 SSTORE SWAP4 DUP9 AND DUP3 MSTORE DUP1 DUP3 KECCAK256 DUP1 SLOAD SWAP1 SWAP5 AND PUSH1 0x1 OR SWAP1 SWAP4 SSTORE SWAP2 MLOAD SWAP1 SWAP2 PUSH32 0x8001553A916EF2F495D26A907CC54D96ED840D7BDA71E73194BF5A9DF7A76B90 SWAP2 LOG2 PUSH1 0x40 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP6 AND SWAP1 PUSH32 0xF39E6E1EB0EDCF53C221607B54B00CD28F3196FED0A24994DC308B8F611B682D SWAP1 PUSH1 0x0 SWAP1 LOG2 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP2 KECCAK256 PUSH1 0x3 ADD SLOAD DUP3 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0x1B8E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP3 PUSH2 0x1B98 DUP2 PUSH2 0x1180 JUMP JUMPDEST ISZERO ISZERO PUSH2 0x1C05 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x54585F4E4F545F46554C4C595F434F4E4649524D454400000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x6 SLOAD PUSH1 0x0 DUP6 DUP2 MSTORE PUSH1 0x7 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP6 SWAP2 ADD TIMESTAMP LT ISZERO PUSH2 0x1C88 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x14 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x54494D455F4C4F434B5F494E434F4D504C455445000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP6 DUP2 MSTORE PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 SWAP2 DUP3 SWAP1 KECCAK256 PUSH1 0x3 DUP2 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP2 SLOAD DUP2 DUP4 ADD SLOAD PUSH1 0x2 DUP1 DUP6 ADD DUP1 SLOAD DUP9 MLOAD PUSH1 0x1F PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP8 DUP4 AND ISZERO PUSH2 0x100 MUL SWAP8 SWAP1 SWAP8 ADD SWAP1 SWAP2 AND SWAP3 SWAP1 SWAP3 DIV SWAP5 DUP6 ADD DUP8 SWAP1 DIV DUP8 MUL DUP3 ADD DUP8 ADD SWAP1 SWAP8 MSTORE DUP4 DUP2 MSTORE SWAP4 SWAP10 POP PUSH2 0x1D6B SWAP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND SWAP5 SWAP1 SWAP4 SWAP2 SWAP1 DUP4 SWAP1 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0xE3D JUMPI DUP1 PUSH1 0x1F LT PUSH2 0xE12 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0xE3D JUMP JUMPDEST ISZERO PUSH2 0x1DA0 JUMPI PUSH1 0x40 MLOAD DUP6 SWAP1 PUSH32 0x33E13ECB54C3076D8E8BB8C2881800A4D972B792045FFAE98FDF46DF365FED75 SWAP1 PUSH1 0x0 SWAP1 LOG2 PUSH2 0x1DF6 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP6 SWAP1 PUSH32 0x526441BB6C1ABA3C9A4A6CA1D6545DA9C2333C8C48343EF398EB858D72B79236 SWAP1 PUSH1 0x0 SWAP1 LOG2 PUSH1 0x3 DUP5 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE JUMPDEST POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x4 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x1E9A JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x25 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F345F4C454E4754485F524551 PUSH1 0x44 DUP3 ADD MSTORE PUSH32 0x5549524544000000000000000000000000000000000000000000000000000000 PUSH1 0x64 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x84 ADD SWAP1 REVERT JUMPDEST POP ADD PUSH1 0x20 ADD MLOAD PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 MLOAD PUSH1 0x20 DUP5 ADD PUSH1 0x0 DUP3 DUP8 DUP4 DUP11 DUP13 PUSH2 0x8796 GAS SUB CALL SWAP9 SWAP8 POP POP POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x7 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP2 DUP3 SWAP1 KECCAK256 DUP4 SWAP1 SSTORE DUP2 MLOAD DUP4 DUP2 MSTORE SWAP2 MLOAD DUP5 SWAP3 PUSH32 0xB237AFE65F1514FD7EA3F923EA4FE792BDD07000A912B6CD1602A8E7F573C8D SWAP3 SWAP1 DUP3 SWAP1 SUB ADD SWAP1 LOG2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO ISZERO PUSH2 0x1F58 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x5 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x80 DUP2 ADD DUP3 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP9 DUP2 AND DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 ADD DUP10 DUP2 MSTORE DUP4 DUP6 ADD DUP10 DUP2 MSTORE PUSH1 0x0 PUSH1 0x60 DUP7 ADD DUP2 SWAP1 MSTORE DUP8 DUP2 MSTORE DUP1 DUP5 MSTORE SWAP6 SWAP1 SWAP6 KECCAK256 DUP5 MLOAD DUP2 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND SWAP5 AND SWAP4 SWAP1 SWAP4 OR DUP4 SSTORE MLOAD PUSH1 0x1 DUP4 ADD SSTORE SWAP3 MLOAD DUP1 MLOAD SWAP5 SWAP7 POP SWAP2 SWAP4 SWAP1 SWAP3 PUSH2 0x1FF0 SWAP3 PUSH1 0x2 DUP6 ADD SWAP3 SWAP2 ADD SWAP1 PUSH2 0x208F JUMP JUMPDEST POP PUSH1 0x60 SWAP2 SWAP1 SWAP2 ADD MLOAD PUSH1 0x3 SWAP1 SWAP2 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP2 ISZERO ISZERO SWAP2 SWAP1 SWAP2 OR SWAP1 SSTORE PUSH1 0x5 DUP1 SLOAD PUSH1 0x1 ADD SWAP1 SSTORE PUSH1 0x40 MLOAD DUP3 SWAP1 PUSH32 0xC0BA8FE4B176C1714197D43B9CC6BCF797A4A7461C5FE8D0EF6E184AE7601E51 SWAP1 PUSH1 0x0 SWAP1 LOG2 POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST DUP2 SLOAD DUP2 DUP4 SSTORE DUP2 DUP2 GT ISZERO PUSH2 0x208A JUMPI PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x20 SWAP1 KECCAK256 PUSH2 0x208A SWAP2 DUP2 ADD SWAP1 DUP4 ADD PUSH2 0x210D JUMP JUMPDEST POP POP POP JUMP JUMPDEST DUP3 DUP1 SLOAD PUSH1 0x1 DUP2 PUSH1 0x1 AND ISZERO PUSH2 0x100 MUL SUB AND PUSH1 0x2 SWAP1 DIV SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 PUSH1 0x1F ADD PUSH1 0x20 SWAP1 DIV DUP2 ADD SWAP3 DUP3 PUSH1 0x1F LT PUSH2 0x20D0 JUMPI DUP1 MLOAD PUSH1 0xFF NOT AND DUP4 DUP1 ADD OR DUP6 SSTORE PUSH2 0x20FD JUMP JUMPDEST DUP3 DUP1 ADD PUSH1 0x1 ADD DUP6 SSTORE DUP3 ISZERO PUSH2 0x20FD JUMPI SWAP2 DUP3 ADD JUMPDEST DUP3 DUP2 GT ISZERO PUSH2 0x20FD JUMPI DUP3 MLOAD DUP3 SSTORE SWAP2 PUSH1 0x20 ADD SWAP2 SWAP1 PUSH1 0x1 ADD SWAP1 PUSH2 0x20E2 JUMP JUMPDEST POP PUSH2 0x2109 SWAP3 SWAP2 POP PUSH2 0x210D JUMP JUMPDEST POP SWAP1 JUMP JUMPDEST PUSH2 0x143F SWAP2 SWAP1 JUMPDEST DUP1 DUP3 GT ISZERO PUSH2 0x2109 JUMPI PUSH1 0x0 DUP2 SSTORE PUSH1 0x1 ADD PUSH2 0x2113 JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 MSTORE DUP14 0xb3 EXTCODESIZE CALLVALUE 0xdd RETURNDATASIZE DUP8 0xf9 0x27 PUSH6 0xDA5FAC3E1E5D SHL SWAP3 CODECOPY CALLDATALOAD 0x3f PUSH5 0x5405CA9BF 0xc9 0xce 0xe8 0xdb STOP 0x29 ", - "sourceMap": 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PUSH2 0x546 JUMPI DUP1 PUSH4 0xBA51A6DF EQ PUSH2 0x55B JUMPI DUP1 PUSH4 0xC01A8C84 EQ PUSH2 0x573 JUMPI DUP1 PUSH4 0xC6427474 EQ PUSH2 0x58B JUMPI DUP1 PUSH4 0xD38F2D82 EQ PUSH2 0x601 JUMPI DUP1 PUSH4 0xD74F8EDD EQ PUSH2 0x619 JUMPI DUP1 PUSH4 0xDC8452CD EQ PUSH2 0x62E JUMPI DUP1 PUSH4 0xE20056E6 EQ PUSH2 0x643 JUMPI DUP1 PUSH4 0xEE22610B EQ PUSH2 0x677 JUMPI JUMPDEST PUSH1 0x0 CALLVALUE GT ISZERO PUSH2 0x19E JUMPI PUSH1 0x40 DUP1 MLOAD CALLVALUE DUP2 MSTORE SWAP1 MLOAD CALLER SWAP2 PUSH32 0xE1FFFCC4923D04B559F4D29A8BFC6CDA04EB5B0D3C460751C2402C5C5CC9109C SWAP2 SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 LOG2 JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1AC JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1B8 PUSH1 0x4 CALLDATALOAD PUSH2 0x68F JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1ED JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x6C4 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x21B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0x91B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x233 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x255 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x9F3 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x275 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x255 PUSH1 0x4 CALLDATALOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x24 CALLDATALOAD AND PUSH2 0xA08 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2A6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0xA28 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2BE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH2 0xEDA JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2E5 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH1 0x4 CALLDATALOAD ISZERO ISZERO PUSH1 0x24 CALLDATALOAD ISZERO ISZERO PUSH2 0xEE0 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x304 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD ISZERO ISZERO PUSH2 0xF4C JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x337 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x100B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x365 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x255 PUSH1 0x4 CALLDATALOAD PUSH2 0x1180 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x37D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0x1211 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x395 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x255 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x1258 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3C3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH1 0x4 CALLDATALOAD PUSH2 0x126D JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3DB JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x3E7 PUSH1 0x4 CALLDATALOAD PUSH2 0x12E9 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD DUP5 DUP2 MSTORE PUSH1 0x20 ADD DUP1 PUSH1 0x20 ADD DUP4 ISZERO ISZERO ISZERO ISZERO DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP2 SUB DUP3 MSTORE DUP5 DUP2 DUP2 MLOAD DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP DUP1 MLOAD SWAP1 PUSH1 0x20 ADD SWAP1 DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x466 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x44E JUMP JUMPDEST POP POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x493 JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP6 POP POP POP POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x4B0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x4B9 PUSH2 0x13D2 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 DUP2 ADD SWAP2 MUL DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x4F5 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x4DD JUMP JUMPDEST POP POP POP POP SWAP1 POP ADD SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x515 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x4B9 PUSH1 0x4 CALLDATALOAD PUSH1 0x24 CALLDATALOAD PUSH1 0x44 CALLDATALOAD ISZERO ISZERO PUSH1 0x64 CALLDATALOAD ISZERO ISZERO PUSH2 0x1442 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x53A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x4B9 PUSH1 0x4 CALLDATALOAD PUSH2 0x157B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x552 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH2 0x1728 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x567 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0x172E JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x57F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0x17AD JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x597 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x4 PUSH1 0x44 CALLDATALOAD DUP2 DUP2 ADD CALLDATALOAD PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP6 ADD DUP5 ADD SWAP1 SWAP6 MSTORE DUP5 DUP5 MSTORE PUSH2 0x2C7 SWAP5 DUP3 CALLDATALOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP5 PUSH1 0x24 DUP1 CALLDATALOAD SWAP6 CALLDATASIZE SWAP6 SWAP5 PUSH1 0x64 SWAP5 SWAP3 ADD SWAP2 SWAP1 DUP2 SWAP1 DUP5 ADD DUP4 DUP3 DUP1 DUP3 DUP5 CALLDATACOPY POP SWAP5 SWAP8 POP PUSH2 0x1921 SWAP7 POP POP POP POP POP POP POP JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x60D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH1 0x4 CALLDATALOAD PUSH2 0x1940 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x625 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH2 0x1952 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x63A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH2 0x1957 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x64F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0x195D JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x683 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0x1B6D JUMP JUMPDEST PUSH1 0x3 DUP1 SLOAD DUP3 SWAP1 DUP2 LT PUSH2 0x69D JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 POP DUP2 JUMP JUMPDEST PUSH1 0x0 CALLER ADDRESS EQ PUSH2 0x6D2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP3 SWAP1 PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x708 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE SWAP2 POP JUMPDEST PUSH1 0x3 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP3 LT ISZERO PUSH2 0x88B JUMPI DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x3 DUP4 DUP2 SLOAD DUP2 LT ISZERO ISZERO PUSH2 0x7A8 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO PUSH2 0x880 JUMPI PUSH1 0x3 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 ADD SWAP1 DUP2 LT PUSH2 0x800 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH1 0x3 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND SWAP2 DUP5 SWAP1 DUP2 LT PUSH2 0x833 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 ADD PUSH1 0x0 PUSH2 0x100 EXP DUP2 SLOAD DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF MUL NOT AND SWAP1 DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND MUL OR SWAP1 SSTORE POP PUSH2 0x88B JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH2 0x756 JUMP JUMPDEST PUSH1 0x3 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 PUSH2 0x8BC SWAP1 DUP3 PUSH2 0x2066 JUMP JUMPDEST POP PUSH1 0x3 SLOAD PUSH1 0x4 SLOAD GT ISZERO PUSH2 0x8D5 JUMPI PUSH1 0x3 SLOAD PUSH2 0x8D5 SWAP1 PUSH2 0x172E JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND SWAP1 PUSH32 0x8001553A916EF2F495D26A907CC54D96ED840D7BDA71E73194BF5A9DF7A76B90 SWAP1 PUSH1 0x0 SWAP1 LOG2 POP POP POP JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x939 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP1 DUP6 MSTORE SWAP3 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD DUP4 SWAP2 SWAP1 PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x965 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x3 ADD SLOAD DUP5 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0x986 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP6 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP1 DUP6 MSTORE SWAP3 MSTORE DUP1 DUP4 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE MLOAD DUP8 SWAP3 PUSH32 0xF6A317157440607F36269043EB55F1287A5A19BA2216AFEAB88CD46CBCFB88E9 SWAP2 LOG3 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x0 SWAP3 DUP4 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 SWAP1 SWAP2 MSTORE SWAP1 DUP3 MSTORE SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP2 KECCAK256 PUSH1 0x3 ADD SLOAD DUP3 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0xA49 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP3 PUSH2 0xA53 DUP2 PUSH2 0x1180 JUMP JUMPDEST ISZERO ISZERO PUSH2 0xAC0 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x54585F4E4F545F46554C4C595F434F4E4649524D454400000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP5 MSTORE PUSH1 0x8 SWAP1 SWAP3 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD DUP6 SWAP2 SWAP1 PUSH1 0xFF AND ISZERO ISZERO PUSH2 0xB65 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x18 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x554E524547495354455245445F41535345545F50524F58590000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x72656D6F7665417574686F72697A6564416464726573734174496E6465782861 DUP2 MSTORE PUSH32 0x6464726573732C75696E74323536290000000000000000000000000000000000 PUSH1 0x20 DUP1 DUP4 ADD SWAP2 SWAP1 SWAP2 MSTORE DUP3 MLOAD SWAP2 DUP3 SWAP1 SUB PUSH1 0x2F ADD DUP3 KECCAK256 PUSH1 0x2 DUP1 DUP7 ADD DUP1 SLOAD PUSH1 0x1F PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH2 0x100 PUSH1 0x1 DUP5 AND ISZERO MUL ADD SWAP1 SWAP2 AND SWAP3 SWAP1 SWAP3 DIV SWAP2 DUP3 ADD DUP5 SWAP1 DIV DUP5 MUL DUP6 ADD DUP5 ADD SWAP1 SWAP6 MSTORE DUP1 DUP5 MSTORE PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 SWAP1 SWAP2 AND SWAP4 PUSH2 0xCA1 SWAP4 PUSH1 0x0 SWAP4 SWAP1 SWAP3 SWAP1 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0xC8E JUMPI DUP1 PUSH1 0x1F LT PUSH2 0xC63 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0xC8E JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0xC71 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP PUSH2 0x1DFD SWAP1 SWAP2 SWAP1 PUSH4 0xFFFFFFFF AND JUMP JUMPDEST PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND EQ PUSH2 0xD2F JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x19 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x494E56414C49445F46554E4354494F4E5F53454C4543544F5200000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP7 DUP2 MSTORE PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 SWAP2 DUP3 SWAP1 KECCAK256 PUSH1 0x3 DUP2 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP2 SLOAD DUP2 DUP4 ADD SLOAD PUSH1 0x2 DUP1 DUP6 ADD DUP1 SLOAD DUP9 MLOAD PUSH1 0x1F PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP8 DUP4 AND ISZERO PUSH2 0x100 MUL SWAP8 SWAP1 SWAP8 ADD SWAP1 SWAP2 AND SWAP3 SWAP1 SWAP3 DIV SWAP5 DUP6 ADD DUP8 SWAP1 DIV DUP8 MUL DUP3 ADD DUP8 ADD SWAP1 SWAP8 MSTORE DUP4 DUP2 MSTORE SWAP4 SWAP11 POP PUSH2 0xE47 SWAP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND SWAP5 SWAP1 SWAP4 SWAP2 SWAP1 DUP4 SWAP1 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0xE3D JUMPI DUP1 PUSH1 0x1F LT PUSH2 0xE12 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0xE3D JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0xE20 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP PUSH2 0x1EC5 JUMP JUMPDEST ISZERO PUSH2 0xE7C JUMPI PUSH1 0x40 MLOAD DUP7 SWAP1 PUSH32 0x33E13ECB54C3076D8E8BB8C2881800A4D972B792045FFAE98FDF46DF365FED75 SWAP1 PUSH1 0x0 SWAP1 LOG2 PUSH2 0xED2 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP7 SWAP1 PUSH32 0x526441BB6C1ABA3C9A4A6CA1D6545DA9C2333C8C48343EF398EB858D72B79236 SWAP1 PUSH1 0x0 SWAP1 LOG2 PUSH1 0x3 DUP6 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE JUMPDEST POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x6 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x0 DUP1 JUMPDEST PUSH1 0x5 SLOAD DUP2 LT ISZERO PUSH2 0xF45 JUMPI DUP4 DUP1 ISZERO PUSH2 0xF0D JUMPI POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x3 ADD SLOAD PUSH1 0xFF AND ISZERO JUMPDEST DUP1 PUSH2 0xF31 JUMPI POP DUP3 DUP1 ISZERO PUSH2 0xF31 JUMPI POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x3 ADD SLOAD PUSH1 0xFF AND JUMPDEST ISZERO PUSH2 0xF3D JUMPI PUSH1 0x1 DUP3 ADD SWAP2 POP JUMPDEST PUSH1 0x1 ADD PUSH2 0xEE4 JUMP JUMPDEST POP SWAP3 SWAP2 POP POP JUMP JUMPDEST CALLER ADDRESS EQ PUSH2 0xF58 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO ISZERO PUSH2 0xF7B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x8 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP2 DUP3 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND DUP7 ISZERO ISZERO SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP3 MLOAD SWAP4 DUP5 MSTORE SWAP1 DUP4 ADD MSTORE DUP1 MLOAD PUSH32 0xDAEF8FF7DC66C5E34EB9C338AAB679D9F427F89868D9228494455A4D982EB2B0 SWAP3 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG1 POP POP POP JUMP JUMPDEST CALLER ADDRESS EQ PUSH2 0x1017 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP2 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0x104C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO ISZERO PUSH2 0x106F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x3 DUP1 SLOAD SWAP1 POP PUSH1 0x1 ADD PUSH1 0x4 SLOAD PUSH1 0x32 DUP3 GT ISZERO DUP1 ISZERO PUSH2 0x108C JUMPI POP DUP2 DUP2 GT ISZERO JUMPDEST DUP1 ISZERO PUSH2 0x1097 JUMPI POP DUP1 ISZERO ISZERO JUMPDEST DUP1 ISZERO PUSH2 0x10A2 JUMPI POP DUP2 ISZERO ISZERO JUMPDEST ISZERO ISZERO PUSH2 0x10AD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP6 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE PUSH1 0x3 DUP1 SLOAD SWAP2 DUP3 ADD DUP2 SSTORE DUP4 MSTORE PUSH32 0xC2575A0E9E593C00F959F8C92F12DB2869C3395A3B0502D05E2516446F71F85B ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND DUP5 OR SWAP1 SSTORE MLOAD PUSH32 0xF39E6E1EB0EDCF53C221607B54B00CD28F3196FED0A24994DC308B8F611B682D SWAP2 SWAP1 LOG2 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 JUMPDEST PUSH1 0x3 SLOAD DUP2 LT ISZERO PUSH2 0x120A JUMPI PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 PUSH1 0x3 DUP1 SLOAD SWAP2 SWAP3 SWAP2 DUP5 SWAP1 DUP2 LT PUSH2 0x11AE JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 KECCAK256 SWAP1 SWAP2 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP4 MSTORE DUP3 ADD SWAP3 SWAP1 SWAP3 MSTORE PUSH1 0x40 ADD SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x11EF JUMPI PUSH1 0x1 DUP3 ADD SWAP2 POP JUMPDEST PUSH1 0x4 SLOAD DUP3 EQ ISZERO PUSH2 0x1202 JUMPI PUSH1 0x1 SWAP3 POP PUSH2 0x120A JUMP JUMPDEST PUSH1 0x1 ADD PUSH2 0x1185 JUMP JUMPDEST POP POP SWAP2 SWAP1 POP JUMP JUMPDEST CALLER ADDRESS EQ PUSH2 0x121D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x6 DUP2 SWAP1 SSTORE PUSH1 0x40 DUP1 MLOAD DUP3 DUP2 MSTORE SWAP1 MLOAD PUSH32 0xD1C9101A34FEFF75CCCEF14A28785A0279CB0B49C1F321F21F5F422E746B4377 SWAP2 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 LOG1 POP JUMP JUMPDEST PUSH1 0x8 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x0 DUP1 JUMPDEST PUSH1 0x3 SLOAD DUP2 LT ISZERO PUSH2 0x12E3 JUMPI PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 PUSH1 0x3 DUP1 SLOAD SWAP2 SWAP3 SWAP2 DUP5 SWAP1 DUP2 LT PUSH2 0x129A JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 KECCAK256 SWAP1 SWAP2 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP4 MSTORE DUP3 ADD SWAP3 SWAP1 SWAP3 MSTORE PUSH1 0x40 ADD SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x12DB JUMPI PUSH1 0x1 DUP3 ADD SWAP2 POP JUMPDEST PUSH1 0x1 ADD PUSH2 0x1271 JUMP JUMPDEST POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP2 DUP2 MSTORE SWAP2 DUP2 MSTORE PUSH1 0x40 SWAP1 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH1 0x1 DUP1 DUP4 ADD SLOAD PUSH1 0x2 DUP1 DUP6 ADD DUP1 SLOAD DUP8 MLOAD PUSH2 0x100 SWAP6 DUP3 AND ISZERO SWAP6 SWAP1 SWAP6 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD AND SWAP2 SWAP1 SWAP2 DIV PUSH1 0x1F DUP2 ADD DUP9 SWAP1 DIV DUP9 MUL DUP5 ADD DUP9 ADD SWAP1 SWAP7 MSTORE DUP6 DUP4 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP4 AND SWAP6 SWAP1 SWAP5 SWAP2 SWAP3 SWAP2 SWAP1 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x13BF JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x1394 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x13BF JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x13A2 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP PUSH1 0x3 SWAP1 SWAP4 ADD SLOAD SWAP2 SWAP3 POP POP PUSH1 0xFF AND DUP5 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x3 DUP1 SLOAD DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP1 SLOAD DUP1 ISZERO PUSH2 0x1437 JUMPI PUSH1 0x20 MUL DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x140C JUMPI JUMPDEST POP POP POP POP POP SWAP1 POP JUMPDEST SWAP1 JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x0 DUP1 PUSH1 0x5 SLOAD PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x1474 JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP3 POP PUSH1 0x0 SWAP2 POP PUSH1 0x0 SWAP1 POP JUMPDEST PUSH1 0x5 SLOAD DUP2 LT ISZERO PUSH2 0x14FB JUMPI DUP6 DUP1 ISZERO PUSH2 0x14A9 JUMPI POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x3 ADD SLOAD PUSH1 0xFF AND ISZERO JUMPDEST DUP1 PUSH2 0x14CD JUMPI POP DUP5 DUP1 ISZERO PUSH2 0x14CD JUMPI POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x3 ADD SLOAD PUSH1 0xFF AND JUMPDEST ISZERO PUSH2 0x14F3 JUMPI DUP1 DUP4 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x14E1 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MSTORE PUSH1 0x1 SWAP2 SWAP1 SWAP2 ADD SWAP1 JUMPDEST PUSH1 0x1 ADD PUSH2 0x1480 JUMP JUMPDEST DUP8 DUP8 SUB PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x1527 JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP4 POP DUP8 SWAP1 POP JUMPDEST DUP7 DUP2 LT ISZERO PUSH2 0x1570 JUMPI DUP3 DUP2 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1544 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP5 DUP10 DUP4 SUB DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x155E JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MSTORE PUSH1 0x1 ADD PUSH2 0x152E JUMP JUMPDEST POP POP POP SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x0 DUP1 PUSH1 0x3 DUP1 SLOAD SWAP1 POP PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x15B0 JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP3 POP PUSH1 0x0 SWAP2 POP PUSH1 0x0 SWAP1 POP JUMPDEST PUSH1 0x3 SLOAD DUP2 LT ISZERO PUSH2 0x1694 JUMPI PUSH1 0x0 DUP6 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 PUSH1 0x3 DUP1 SLOAD SWAP2 SWAP3 SWAP2 DUP5 SWAP1 DUP2 LT PUSH2 0x15E5 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 KECCAK256 SWAP1 SWAP2 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP4 MSTORE DUP3 ADD SWAP3 SWAP1 SWAP3 MSTORE PUSH1 0x40 ADD SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x168C JUMPI PUSH1 0x3 DUP1 SLOAD DUP3 SWAP1 DUP2 LT PUSH2 0x162D JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD DUP4 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP2 AND SWAP1 DUP5 SWAP1 DUP5 SWAP1 DUP2 LT PUSH2 0x1660 JUMPI INVALID JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND PUSH1 0x20 SWAP3 DUP4 MUL SWAP1 SWAP2 ADD SWAP1 SWAP2 ADD MSTORE PUSH1 0x1 SWAP2 SWAP1 SWAP2 ADD SWAP1 JUMPDEST PUSH1 0x1 ADD PUSH2 0x15BC JUMP JUMPDEST DUP2 PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x16BE JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP4 POP PUSH1 0x0 SWAP1 POP JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x1720 JUMPI DUP3 DUP2 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x16DC JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP5 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x16F4 JUMPI INVALID JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND PUSH1 0x20 SWAP3 DUP4 MUL SWAP1 SWAP2 ADD SWAP1 SWAP2 ADD MSTORE PUSH1 0x1 ADD PUSH2 0x16C6 JUMP JUMPDEST POP POP POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x5 SLOAD DUP2 JUMP JUMPDEST CALLER ADDRESS EQ PUSH2 0x173A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x3 SLOAD DUP2 PUSH1 0x32 DUP3 GT DUP1 ISZERO SWAP1 PUSH2 0x174F JUMPI POP DUP2 DUP2 GT ISZERO JUMPDEST DUP1 ISZERO PUSH2 0x175A JUMPI POP DUP1 ISZERO ISZERO JUMPDEST DUP1 ISZERO PUSH2 0x1765 JUMPI POP DUP2 ISZERO ISZERO JUMPDEST ISZERO ISZERO PUSH2 0x1770 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x4 DUP4 SWAP1 SSTORE PUSH1 0x40 DUP1 MLOAD DUP5 DUP2 MSTORE SWAP1 MLOAD PUSH32 0xA3F1EE9126A074D9326C682F561767F710E927FAA811F7A99829D49DC421797A SWAP2 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 LOG1 POP POP POP JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x17CB JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP3 SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND ISZERO ISZERO PUSH2 0x17FD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP1 DUP6 MSTORE SWAP3 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD DUP5 SWAP2 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0x1828 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP5 PUSH2 0x1832 DUP2 PUSH2 0x1180 JUMP JUMPDEST ISZERO PUSH2 0x189E JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x12 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x54585F46554C4C595F434F4E4649524D45440000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP7 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 CALLER DUP1 DUP7 MSTORE SWAP3 MSTORE DUP1 DUP5 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SWAP4 OR SWAP1 SWAP3 SSTORE SWAP1 MLOAD DUP9 SWAP3 PUSH32 0x4A504A94899432A9846E1AA406DCEB1BCFD538BB839071D49D1E5E23F5BE30EF SWAP2 LOG3 PUSH2 0x1912 DUP7 PUSH2 0x1180 JUMP JUMPDEST ISZERO PUSH2 0xED2 JUMPI PUSH2 0xED2 DUP7 TIMESTAMP PUSH2 0x1EE8 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x192E DUP5 DUP5 DUP5 PUSH2 0x1F33 JUMP JUMPDEST SWAP1 POP PUSH2 0x1939 DUP2 PUSH2 0x17AD JUMP JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x7 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x32 DUP2 JUMP JUMPDEST PUSH1 0x4 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x0 CALLER ADDRESS EQ PUSH2 0x196B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP4 SWAP1 PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x19A1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP4 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0x19D6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 SWAP3 POP JUMPDEST PUSH1 0x3 SLOAD DUP4 LT ISZERO PUSH2 0x1A9B JUMPI DUP5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x3 DUP5 DUP2 SLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1A0B JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO PUSH2 0x1A90 JUMPI DUP4 PUSH1 0x3 DUP5 DUP2 SLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1A43 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 ADD PUSH1 0x0 PUSH2 0x100 EXP DUP2 SLOAD DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF MUL NOT AND SWAP1 DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND MUL OR SWAP1 SSTORE POP PUSH2 0x1A9B JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP3 ADD SWAP2 PUSH2 0x19DB JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP7 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 SWAP1 DUP2 AND SWAP1 SWAP2 SSTORE SWAP4 DUP9 AND DUP3 MSTORE DUP1 DUP3 KECCAK256 DUP1 SLOAD SWAP1 SWAP5 AND PUSH1 0x1 OR SWAP1 SWAP4 SSTORE SWAP2 MLOAD SWAP1 SWAP2 PUSH32 0x8001553A916EF2F495D26A907CC54D96ED840D7BDA71E73194BF5A9DF7A76B90 SWAP2 LOG2 PUSH1 0x40 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP6 AND SWAP1 PUSH32 0xF39E6E1EB0EDCF53C221607B54B00CD28F3196FED0A24994DC308B8F611B682D SWAP1 PUSH1 0x0 SWAP1 LOG2 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP2 KECCAK256 PUSH1 0x3 ADD SLOAD DUP3 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0x1B8E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP3 PUSH2 0x1B98 DUP2 PUSH2 0x1180 JUMP JUMPDEST ISZERO ISZERO PUSH2 0x1C05 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x54585F4E4F545F46554C4C595F434F4E4649524D454400000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x6 SLOAD PUSH1 0x0 DUP6 DUP2 MSTORE PUSH1 0x7 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP6 SWAP2 ADD TIMESTAMP LT ISZERO PUSH2 0x1C88 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x14 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x54494D455F4C4F434B5F494E434F4D504C455445000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP6 DUP2 MSTORE PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 SWAP2 DUP3 SWAP1 KECCAK256 PUSH1 0x3 DUP2 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP2 SLOAD DUP2 DUP4 ADD SLOAD PUSH1 0x2 DUP1 DUP6 ADD DUP1 SLOAD DUP9 MLOAD PUSH1 0x1F PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP8 DUP4 AND ISZERO PUSH2 0x100 MUL SWAP8 SWAP1 SWAP8 ADD SWAP1 SWAP2 AND SWAP3 SWAP1 SWAP3 DIV SWAP5 DUP6 ADD DUP8 SWAP1 DIV DUP8 MUL DUP3 ADD DUP8 ADD SWAP1 SWAP8 MSTORE DUP4 DUP2 MSTORE SWAP4 SWAP10 POP PUSH2 0x1D6B SWAP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND SWAP5 SWAP1 SWAP4 SWAP2 SWAP1 DUP4 SWAP1 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0xE3D JUMPI DUP1 PUSH1 0x1F LT PUSH2 0xE12 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0xE3D JUMP JUMPDEST ISZERO PUSH2 0x1DA0 JUMPI PUSH1 0x40 MLOAD DUP6 SWAP1 PUSH32 0x33E13ECB54C3076D8E8BB8C2881800A4D972B792045FFAE98FDF46DF365FED75 SWAP1 PUSH1 0x0 SWAP1 LOG2 PUSH2 0x1DF6 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP6 SWAP1 PUSH32 0x526441BB6C1ABA3C9A4A6CA1D6545DA9C2333C8C48343EF398EB858D72B79236 SWAP1 PUSH1 0x0 SWAP1 LOG2 PUSH1 0x3 DUP5 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE JUMPDEST POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x4 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x1E9A JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x25 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F345F4C454E4754485F524551 PUSH1 0x44 DUP3 ADD MSTORE PUSH32 0x5549524544000000000000000000000000000000000000000000000000000000 PUSH1 0x64 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x84 ADD SWAP1 REVERT JUMPDEST POP ADD PUSH1 0x20 ADD MLOAD PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 MLOAD PUSH1 0x20 DUP5 ADD PUSH1 0x0 DUP3 DUP8 DUP4 DUP11 DUP13 PUSH2 0x8796 GAS SUB CALL SWAP9 SWAP8 POP POP POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x7 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP2 DUP3 SWAP1 KECCAK256 DUP4 SWAP1 SSTORE DUP2 MLOAD DUP4 DUP2 MSTORE SWAP2 MLOAD DUP5 SWAP3 PUSH32 0xB237AFE65F1514FD7EA3F923EA4FE792BDD07000A912B6CD1602A8E7F573C8D SWAP3 SWAP1 DUP3 SWAP1 SUB ADD SWAP1 LOG2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO ISZERO PUSH2 0x1F58 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x5 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x80 DUP2 ADD DUP3 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP9 DUP2 AND DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 ADD DUP10 DUP2 MSTORE DUP4 DUP6 ADD DUP10 DUP2 MSTORE PUSH1 0x0 PUSH1 0x60 DUP7 ADD DUP2 SWAP1 MSTORE DUP8 DUP2 MSTORE DUP1 DUP5 MSTORE SWAP6 SWAP1 SWAP6 KECCAK256 DUP5 MLOAD DUP2 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND SWAP5 AND SWAP4 SWAP1 SWAP4 OR DUP4 SSTORE MLOAD PUSH1 0x1 DUP4 ADD SSTORE SWAP3 MLOAD DUP1 MLOAD SWAP5 SWAP7 POP SWAP2 SWAP4 SWAP1 SWAP3 PUSH2 0x1FF0 SWAP3 PUSH1 0x2 DUP6 ADD SWAP3 SWAP2 ADD SWAP1 PUSH2 0x208F JUMP JUMPDEST POP PUSH1 0x60 SWAP2 SWAP1 SWAP2 ADD MLOAD PUSH1 0x3 SWAP1 SWAP2 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP2 ISZERO ISZERO SWAP2 SWAP1 SWAP2 OR SWAP1 SSTORE PUSH1 0x5 DUP1 SLOAD PUSH1 0x1 ADD SWAP1 SSTORE PUSH1 0x40 MLOAD DUP3 SWAP1 PUSH32 0xC0BA8FE4B176C1714197D43B9CC6BCF797A4A7461C5FE8D0EF6E184AE7601E51 SWAP1 PUSH1 0x0 SWAP1 LOG2 POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST DUP2 SLOAD DUP2 DUP4 SSTORE DUP2 DUP2 GT ISZERO PUSH2 0x208A JUMPI PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x20 SWAP1 KECCAK256 PUSH2 0x208A SWAP2 DUP2 ADD SWAP1 DUP4 ADD PUSH2 0x210D JUMP JUMPDEST POP POP POP JUMP JUMPDEST DUP3 DUP1 SLOAD PUSH1 0x1 DUP2 PUSH1 0x1 AND ISZERO PUSH2 0x100 MUL SUB AND PUSH1 0x2 SWAP1 DIV SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 PUSH1 0x1F ADD PUSH1 0x20 SWAP1 DIV DUP2 ADD SWAP3 DUP3 PUSH1 0x1F LT PUSH2 0x20D0 JUMPI DUP1 MLOAD PUSH1 0xFF NOT AND DUP4 DUP1 ADD OR DUP6 SSTORE PUSH2 0x20FD JUMP JUMPDEST DUP3 DUP1 ADD PUSH1 0x1 ADD DUP6 SSTORE DUP3 ISZERO PUSH2 0x20FD JUMPI SWAP2 DUP3 ADD JUMPDEST DUP3 DUP2 GT ISZERO PUSH2 0x20FD JUMPI DUP3 MLOAD DUP3 SSTORE SWAP2 PUSH1 0x20 ADD SWAP2 SWAP1 PUSH1 0x1 ADD SWAP1 PUSH2 0x20E2 JUMP JUMPDEST POP PUSH2 0x2109 SWAP3 SWAP2 POP PUSH2 0x210D JUMP JUMPDEST POP SWAP1 JUMP JUMPDEST PUSH2 0x143F SWAP2 SWAP1 JUMPDEST DUP1 DUP3 GT ISZERO PUSH2 0x2109 JUMPI PUSH1 0x0 DUP2 SSTORE PUSH1 0x1 ADD PUSH2 0x2113 JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 MSTORE DUP14 0xb3 EXTCODESIZE CALLVALUE 0xdd RETURNDATASIZE DUP8 0xf9 0x27 PUSH6 0xDA5FAC3E1E5D SHL SWAP3 CODECOPY CALLDATALOAD 0x3f PUSH5 0x5405CA9BF 0xc9 0xce 0xe8 0xdb STOP 0x29 ", - "sourceMap": 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"2.0.0/protocol/Exchange/libs/LibFillResults.sol": { - "id": 41 - }, - "2.0.0/protocol/Exchange/libs/LibMath.sol": { - "id": 42 - }, - "2.0.0/protocol/Exchange/libs/LibOrder.sol": { - "id": 43 - }, - "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": { - "id": 44 - }, - "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": { - "id": 45 - }, - "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": { - "id": 46 - }, - "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": { - "id": 47 - }, - "2.0.0/protocol/Exchange/mixins/MTransactions.sol": { - "id": 48 - }, - "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": { - "id": 49 - }, - "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": { - "id": 50 - }, - "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": { - "id": 51 - }, - "2.0.0/tokens/ERC20Token/ERC20Token.sol": { - "id": 52 - }, - "2.0.0/tokens/ERC20Token/IERC20Token.sol": { - "id": 53 - }, - "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": { - "id": 54 - }, - "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": { - "id": 55 - }, - "2.0.0/tokens/ERC721Token/ERC721Token.sol": { - "id": 56 - }, - "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": { - "id": 57 - }, - "2.0.0/tokens/ERC721Token/IERC721Token.sol": { - "id": 58 - }, - "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": { - "id": 59 - }, - "2.0.0/tokens/EtherToken/IEtherToken.sol": { - "id": 60 - }, - "2.0.0/utils/LibBytes/LibBytes.sol": { - "id": 61 - }, - "2.0.0/utils/Ownable/IOwnable.sol": { - "id": 62 - }, - "2.0.0/utils/Ownable/Ownable.sol": { - "id": 63 - }, - "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": { - "id": 64 - }, - "2.0.0/utils/SafeMath/SafeMath.sol": { - "id": 65 - } - }, - "sourceCodes": { - "2.0.0/extensions/Forwarder/Forwarder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinWeth.sol\";\nimport \"./MixinForwarderCore.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinAssets.sol\";\nimport \"./MixinExchangeWrapper.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Forwarder is\n LibConstants,\n MixinWeth,\n MixinAssets,\n MixinExchangeWrapper,\n MixinForwarderCore\n{\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n LibConstants(\n _exchange,\n _zrxAssetData,\n _wethAssetData\n )\n MixinForwarderCore()\n {}\n}\n", - "2.0.0/extensions/Forwarder/MixinAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MAssets.sol\";\n\n\ncontract MixinAssets is\n Ownable,\n LibConstants,\n MAssets\n{\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256(\"transfer(address,uint256)\"));\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external\n onlyOwner\n {\n transferAssetToSender(assetData, amount);\n }\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n bytes4 proxyId = assetData.readBytes4(0);\n\n if (proxyId == ERC20_DATA_ID) {\n transferERC20Token(assetData, amount);\n } else if (proxyId == ERC721_DATA_ID) {\n transferERC721Token(assetData, amount);\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n }\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n address token = assetData.readAddress(16);\n\n // Transfer tokens.\n // We do a raw call so we can check the success separate\n // from the return data.\n bool success = token.call(abi.encodeWithSelector(\n ERC20_TRANSFER_SELECTOR,\n msg.sender,\n amount\n ));\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n \n // Check return data.\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // value that evaluates to true.\n assembly {\n if returndatasize {\n success := 0\n if eq(returndatasize, 32) {\n // First 64 bytes of memory are reserved scratch space\n returndatacopy(0, 0, 32)\n success := mload(0)\n }\n }\n }\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n }\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n require(\n amount == 1,\n \"INVALID_AMOUNT\"\n );\n // Decode asset data.\n address token = assetData.readAddress(16);\n uint256 tokenId = assetData.readUint256(36);\n\n // Perform transfer.\n IERC721Token(token).transferFrom(\n address(this),\n msg.sender,\n tokenId\n );\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"../../protocol/Exchange/libs/LibAbiEncoder.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinExchangeWrapper is\n LibAbiEncoder,\n LibFillResults,\n LibMath,\n LibConstants,\n MExchangeWrapper\n{\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n address exchange = address(EXCHANGE);\n\n // Call `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := call(\n gas, // forward all gas\n exchange, // call address of Exchange contract\n 0, // transfer 0 wei\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of WETH to sell\n uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of WETH\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount;\n if (makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n\n require(\n makerAssetFilledAmount >= makerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n // Do nothing if zrxBuyAmount == 0\n if (zrxBuyAmount == 0) {\n return totalFillResults;\n }\n\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n uint256 zrxPurchased = 0;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // All of these are ZRX/WETH, so we can drop the respective assetData from calldata.\n orders[i].makerAssetData = zrxAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of ZRX to buy.\n uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased);\n\n // Convert the remaining amount of ZRX to buy into remaining amount\n // of WETH to sell, assuming entire amount can be sold in the current order.\n uint256 remainingWethSellAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees \n remainingZrxBuyAmount\n );\n\n // Attempt to sell the remaining amount of WETH.\n FillResults memory singleFillResult = fillOrderNoThrow(\n orders[i],\n safeAdd(remainingWethSellAmount, 1), // we add 1 wei to the fill amount to make up for rounding errors\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker.\n addFillResults(totalFillResults, singleFillResult);\n zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid);\n\n // Stop execution if the entire amount of ZRX has been bought.\n if (zrxPurchased >= zrxBuyAmount) {\n break;\n }\n }\n\n require(\n zrxPurchased >= zrxBuyAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\nimport \"./mixins/MAssets.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"./interfaces/IForwarderCore.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinForwarderCore is\n LibFillResults,\n LibMath,\n LibConstants,\n MWeth,\n MAssets,\n MExchangeWrapper,\n IForwarderCore\n{\n using LibBytes for bytes;\n\n /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf.\n constructor ()\n public\n {\n address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID);\n require(\n proxyAddress != address(0),\n \"UNREGISTERED_ASSET_PROXY\"\n );\n ETHER_TOKEN.approve(proxyAddress, MAX_UINT);\n ZRX_TOKEN.approve(proxyAddress, MAX_UINT);\n }\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 wethSellAmount;\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // Calculate amount of WETH that won't be spent on ETH fees.\n wethSellAmount = getPartialAmountFloor(\n PERCENTAGE_DENOMINATOR,\n safeAdd(PERCENTAGE_DENOMINATOR, feePercentage),\n msg.value\n );\n // Market sell available WETH.\n // ZRX fees are paid with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // 5% of WETH is reserved for filling feeOrders and paying feeRecipient.\n wethSellAmount = getPartialAmountFloor(\n MAX_WETH_FILL_PERCENTAGE,\n PERCENTAGE_DENOMINATOR,\n msg.value\n );\n // Market sell 95% of WETH.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // If the makerAsset is ZRX, it is not necessary to pay fees out of this\n // contracts's ZRX balance because fees are factored into the price of the order.\n orderFillResults = marketBuyExactZrxWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // Attemp to purchase desired amount of makerAsset.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketBuyExactAmountWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\n\n\ncontract MixinWeth is\n LibMath,\n LibConstants,\n MWeth\n{\n /// @dev Default payabale function, this allows us to withdraw WETH\n function ()\n public\n payable\n {\n require(\n msg.sender == address(ETHER_TOKEN),\n \"DEFAULT_FUNCTION_WETH_CONTRACT_ONLY\"\n );\n }\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal\n {\n require(\n msg.value > 0,\n \"INVALID_MSG_VALUE\"\n );\n ETHER_TOKEN.deposit.value(msg.value)();\n }\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal\n {\n // Ensure feePercentage is less than 5%.\n require(\n feePercentage <= MAX_FEE_PERCENTAGE,\n \"FEE_PERCENTAGE_TOO_LARGE\"\n );\n\n // Ensure that no extra WETH owned by this contract has been sold.\n uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx);\n require(\n wethSold <= msg.value,\n \"OVERSOLD_WETH\"\n );\n\n // Calculate amount of WETH that hasn't been sold.\n uint256 wethRemaining = safeSub(msg.value, wethSold);\n\n // Calculate ETH fee to pay to feeRecipient.\n uint256 ethFee = getPartialAmountFloor(\n feePercentage,\n PERCENTAGE_DENOMINATOR,\n wethSoldExcludingFeeOrders\n );\n\n // Ensure fee is less than amount of WETH remaining.\n require(\n ethFee <= wethRemaining,\n \"INSUFFICIENT_ETH_REMAINING\"\n );\n \n // Do nothing if no WETH remaining\n if (wethRemaining > 0) {\n // Convert remaining WETH to ETH\n ETHER_TOKEN.withdraw(wethRemaining);\n\n // Pay ETH to feeRecipient\n if (ethFee > 0) {\n feeRecipient.transfer(ethFee);\n }\n\n // Refund remaining ETH to msg.sender.\n uint256 ethRefund = safeSub(wethRemaining, ethFee);\n if (ethRefund > 0) {\n msg.sender.transfer(ethRefund);\n }\n }\n }\n}\n", - "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssets {\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external;\n}\n", - "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract IForwarderCore {\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n}\n", - "2.0.0/extensions/Forwarder/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/LibBytes/LibBytes.sol\";\nimport \"../../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../../tokens/EtherToken/IEtherToken.sol\";\nimport \"../../../tokens/ERC20Token/IERC20Token.sol\";\n\n\ncontract LibConstants {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n uint256 constant internal MAX_UINT = 2**256 - 1;\n uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; \n uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5%\n uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95%\n \n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n IEtherToken internal ETHER_TOKEN;\n IERC20Token internal ZRX_TOKEN;\n bytes internal ZRX_ASSET_DATA;\n bytes internal WETH_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n WETH_ASSET_DATA = _wethAssetData;\n\n address etherToken = _wethAssetData.readAddress(16);\n address zrxToken = _zrxAssetData.readAddress(16);\n ETHER_TOKEN = IEtherToken(etherToken);\n ZRX_TOKEN = IERC20Token(zrxToken);\n }\n}\n", - "2.0.0/extensions/Forwarder/mixins/MAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssets.sol\";\n\n\ncontract MAssets is\n IAssets\n{\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n}\n", - "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract MExchangeWrapper {\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n}\n", - "2.0.0/extensions/Forwarder/mixins/MWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract MWeth {\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal;\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal;\n}\n", - "2.0.0/extensions/OrderValidator/OrderValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract OrderValidator {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n struct TraderInfo {\n uint256 makerBalance; // Maker's balance of makerAsset\n uint256 makerAllowance; // Maker's allowance to corresponding AssetProxy\n uint256 takerBalance; // Taker's balance of takerAsset\n uint256 takerAllowance; // Taker's allowance to corresponding AssetProxy\n uint256 makerZrxBalance; // Maker's balance of ZRX\n uint256 makerZrxAllowance; // Maker's allowance of ZRX to ERC20Proxy\n uint256 takerZrxBalance; // Taker's balance of ZRX\n uint256 takerZrxAllowance; // Taker's allowance of ZRX to ERC20Proxy\n }\n\n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n bytes internal ZRX_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (address _exchange, bytes memory _zrxAssetData)\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n }\n\n /// @dev Fetches information for order and maker/taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return OrderInfo and TraderInfo instances for given order.\n function getOrderAndTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo, TraderInfo memory traderInfo)\n {\n orderInfo = EXCHANGE.getOrderInfo(order);\n traderInfo = getTraderInfo(order, takerAddress);\n return (orderInfo, traderInfo);\n }\n\n /// @dev Fetches information for all passed in orders and the makers/takers of each order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Arrays of OrderInfo and TraderInfo instances that correspond to each order.\n function getOrdersAndTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (LibOrder.OrderInfo[] memory ordersInfo, TraderInfo[] memory tradersInfo)\n {\n ordersInfo = EXCHANGE.getOrdersInfo(orders);\n tradersInfo = getTradersInfo(orders, takerAddresses);\n return (ordersInfo, tradersInfo);\n }\n\n /// @dev Fetches balance and allowances for maker and taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return Balances and allowances of maker and taker of order.\n function getTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (TraderInfo memory traderInfo)\n {\n (traderInfo.makerBalance, traderInfo.makerAllowance) = getBalanceAndAllowance(order.makerAddress, order.makerAssetData);\n (traderInfo.takerBalance, traderInfo.takerAllowance) = getBalanceAndAllowance(takerAddress, order.takerAssetData);\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n (traderInfo.makerZrxBalance, traderInfo.makerZrxAllowance) = getBalanceAndAllowance(order.makerAddress, zrxAssetData);\n (traderInfo.takerZrxBalance, traderInfo.takerZrxAllowance) = getBalanceAndAllowance(takerAddress, zrxAssetData);\n return traderInfo;\n }\n\n /// @dev Fetches balances and allowances of maker and taker for each provided order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Array of balances and allowances for maker and taker of each order.\n function getTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (TraderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n TraderInfo[] memory tradersInfo = new TraderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n tradersInfo[i] = getTraderInfo(orders[i], takerAddresses[i]);\n }\n return tradersInfo;\n }\n\n /// @dev Fetches token balances and allowances of an address to given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Encoded data that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balance of asset and allowance set to given proxy of asset.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalanceAndAllowance(address target, bytes memory assetData)\n public\n view\n returns (uint256 balance, uint256 allowance)\n {\n bytes4 assetProxyId = assetData.readBytes4(0);\n address token = assetData.readAddress(16);\n address assetProxy = EXCHANGE.getAssetProxy(assetProxyId);\n\n if (assetProxyId == ERC20_DATA_ID) {\n // Query balance\n balance = IERC20Token(token).balanceOf(target);\n\n // Query allowance\n allowance = IERC20Token(token).allowance(target, assetProxy);\n } else if (assetProxyId == ERC721_DATA_ID) {\n uint256 tokenId = assetData.readUint256(36);\n\n // Query owner of tokenId\n address owner = getERC721TokenOwner(token, tokenId);\n\n // Set balance to 1 if tokenId is owned by target\n balance = target == owner ? 1 : 0;\n\n // Check if ERC721Proxy is approved to spend tokenId\n bool isApproved = IERC721Token(token).isApprovedForAll(target, assetProxy) || IERC721Token(token).getApproved(tokenId) == assetProxy;\n \n // Set alowance to 1 if ERC721Proxy is approved to spend tokenId\n allowance = isApproved ? 1 : 0;\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n return (balance, allowance);\n }\n\n /// @dev Fetches token balances and allowances of an address for each given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Array of encoded byte arrays that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balances and allowances of assets.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalancesAndAllowances(address target, bytes[] memory assetData)\n public\n view\n returns (uint256[] memory, uint256[] memory)\n {\n uint256 length = assetData.length;\n uint256[] memory balances = new uint256[](length);\n uint256[] memory allowances = new uint256[](length);\n for (uint256 i = 0; i != length; i++) {\n (balances[i], allowances[i]) = getBalanceAndAllowance(target, assetData[i]);\n }\n return (balances, allowances);\n }\n\n /// @dev Calls `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token.\n /// @param token Address of ERC721 token.\n /// @param tokenId The identifier for the specific NFT.\n /// @return Owner of tokenId or null address if unowned.\n function getERC721TokenOwner(address token, uint256 tokenId)\n public\n view\n returns (address owner)\n {\n assembly {\n // load free memory pointer\n let cdStart := mload(64)\n\n // bytes4(keccak256(ownerOf(uint256))) = 0x6352211e\n mstore(cdStart, 0x6352211e00000000000000000000000000000000000000000000000000000000)\n mstore(add(cdStart, 4), tokenId)\n\n // staticcall `ownerOf(tokenId)`\n // `ownerOf` will revert if tokenId is not owned\n let success := staticcall(\n gas, // forward all gas\n token, // call token contract\n cdStart, // start of calldata\n 36, // length of input is 36 bytes\n cdStart, // write output over input\n 32 // size of output is 32 bytes\n )\n\n // Success implies that tokenId is owned\n // Copy owner from return data if successful\n if success {\n owner := mload(cdStart)\n } \n }\n\n // Owner initialized to address(0), no need to modify if call is unsuccessful\n return owner;\n }\n}\n", - "2.0.0/multisig/MultiSigWallet.sol": "// solhint-disable\npragma solidity ^0.4.15;\n\n\n/// @title Multisignature wallet - Allows multiple parties to agree on transactions before execution.\n/// @author Stefan George - \ncontract MultiSigWallet {\n\n /*\n * Events\n */\n event Confirmation(address indexed sender, uint indexed transactionId);\n event Revocation(address indexed sender, uint indexed transactionId);\n event Submission(uint indexed transactionId);\n event Execution(uint indexed transactionId);\n event ExecutionFailure(uint indexed transactionId);\n event Deposit(address indexed sender, uint value);\n event OwnerAddition(address indexed owner);\n event OwnerRemoval(address indexed owner);\n event RequirementChange(uint required);\n\n /*\n * Constants\n */\n uint constant public MAX_OWNER_COUNT = 50;\n\n /*\n * Storage\n */\n mapping (uint => Transaction) public transactions;\n mapping (uint => mapping (address => bool)) public confirmations;\n mapping (address => bool) public isOwner;\n address[] public owners;\n uint public required;\n uint public transactionCount;\n\n struct Transaction {\n address destination;\n uint value;\n bytes data;\n bool executed;\n }\n\n /*\n * Modifiers\n */\n modifier onlyWallet() {\n require(msg.sender == address(this));\n _;\n }\n\n modifier ownerDoesNotExist(address owner) {\n require(!isOwner[owner]);\n _;\n }\n\n modifier ownerExists(address owner) {\n require(isOwner[owner]);\n _;\n }\n\n modifier transactionExists(uint transactionId) {\n require(transactions[transactionId].destination != 0);\n _;\n }\n\n modifier confirmed(uint transactionId, address owner) {\n require(confirmations[transactionId][owner]);\n _;\n }\n\n modifier notConfirmed(uint transactionId, address owner) {\n require(!confirmations[transactionId][owner]);\n _;\n }\n\n modifier notExecuted(uint transactionId) {\n require(!transactions[transactionId].executed);\n _;\n }\n\n modifier notNull(address _address) {\n require(_address != 0);\n _;\n }\n\n modifier validRequirement(uint ownerCount, uint _required) {\n require(ownerCount <= MAX_OWNER_COUNT\n && _required <= ownerCount\n && _required != 0\n && ownerCount != 0);\n _;\n }\n\n /// @dev Fallback function allows to deposit ether.\n function()\n payable\n {\n if (msg.value > 0)\n Deposit(msg.sender, msg.value);\n }\n\n /*\n * Public functions\n */\n /// @dev Contract constructor sets initial owners and required number of confirmations.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n function MultiSigWallet(address[] _owners, uint _required)\n public\n validRequirement(_owners.length, _required)\n {\n for (uint i=0; i<_owners.length; i++) {\n require(!isOwner[_owners[i]] && _owners[i] != 0);\n isOwner[_owners[i]] = true;\n }\n owners = _owners;\n required = _required;\n }\n\n /// @dev Allows to add a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of new owner.\n function addOwner(address owner)\n public\n onlyWallet\n ownerDoesNotExist(owner)\n notNull(owner)\n validRequirement(owners.length + 1, required)\n {\n isOwner[owner] = true;\n owners.push(owner);\n OwnerAddition(owner);\n }\n\n /// @dev Allows to remove an owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner.\n function removeOwner(address owner)\n public\n onlyWallet\n ownerExists(owner)\n {\n isOwner[owner] = false;\n for (uint i=0; i owners.length)\n changeRequirement(owners.length);\n OwnerRemoval(owner);\n }\n\n /// @dev Allows to replace an owner with a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner to be replaced.\n /// @param newOwner Address of new owner.\n function replaceOwner(address owner, address newOwner)\n public\n onlyWallet\n ownerExists(owner)\n ownerDoesNotExist(newOwner)\n {\n for (uint i=0; i\n// solhint-disable not-rely-on-time\ncontract MultiSigWalletWithTimeLock is\n MultiSigWallet\n{\n event ConfirmationTimeSet(uint256 indexed transactionId, uint256 confirmationTime);\n event TimeLockChange(uint256 secondsTimeLocked);\n\n uint256 public secondsTimeLocked;\n\n mapping (uint256 => uint256) public confirmationTimes;\n\n modifier notFullyConfirmed(uint256 transactionId) {\n require(\n !isConfirmed(transactionId),\n \"TX_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier fullyConfirmed(uint256 transactionId) {\n require(\n isConfirmed(transactionId),\n \"TX_NOT_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier pastTimeLock(uint256 transactionId) {\n require(\n block.timestamp >= confirmationTimes[transactionId] + secondsTimeLocked,\n \"TIME_LOCK_INCOMPLETE\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations, and time lock.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] _owners,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWallet(_owners, _required)\n {\n secondsTimeLocked = _secondsTimeLocked;\n }\n\n /// @dev Changes the duration of the time lock for transactions.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n function changeTimeLock(uint256 _secondsTimeLocked)\n public\n onlyWallet\n {\n secondsTimeLocked = _secondsTimeLocked;\n emit TimeLockChange(_secondsTimeLocked);\n }\n\n /// @dev Allows an owner to confirm a transaction.\n /// @param transactionId Transaction ID.\n function confirmTransaction(uint256 transactionId)\n public\n ownerExists(msg.sender)\n transactionExists(transactionId)\n notConfirmed(transactionId, msg.sender)\n notFullyConfirmed(transactionId)\n {\n confirmations[transactionId][msg.sender] = true;\n emit Confirmation(msg.sender, transactionId);\n if (isConfirmed(transactionId)) {\n setConfirmationTime(transactionId, block.timestamp);\n }\n }\n\n /// @dev Allows anyone to execute a confirmed transaction.\n /// @param transactionId Transaction ID.\n function executeTransaction(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n pastTimeLock(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n\n /// @dev Sets the time of when a submission first passed.\n function setConfirmationTime(uint256 transactionId, uint256 confirmationTime)\n internal\n {\n confirmationTimes[transactionId] = confirmationTime;\n emit ConfirmationTimeSet(transactionId, confirmationTime);\n }\n}\n", - "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC20Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n \n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 1 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n\n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. amount |\n\n /////// Read token address from calldata ///////\n // * The token address is stored in `assetData`.\n //\n // * The \"offset to assetData\" is stored at offset 4 in the calldata (table 1).\n // [assetDataOffsetFromParams = calldataload(4)]\n //\n // * Notes that the \"offset to assetData\" is relative to the \"Params\" area of calldata;\n // add 4 bytes to account for the length of the \"Header\" area (table 1).\n // [assetDataOffsetFromHeader = assetDataOffsetFromParams + 4]\n //\n // * The \"token address\" is offset 32+4=36 bytes into \"assetData\" (tables 1 & 2).\n // [tokenOffset = assetDataOffsetFromHeader + 36 = calldataload(4) + 4 + 36]\n let token := calldataload(add(calldataload(4), 40))\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from`, `to` and `amount` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 96)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output over input\n 32 // output size should be 32 bytes\n )\n\n /////// Check return data. ///////\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // nonzero 32 bytes value.\n // So the transfer succeeded if the call succeeded and either\n // returned nothing, or returned a non-zero 32 byte value. \n success := and(success, or(\n iszero(returndatasize),\n and(\n eq(returndatasize, 32),\n gt(mload(0), 0)\n )\n ))\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", - "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC721Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 2 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n // | | 36 | | 2. tokenId |\n \n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. tokenId |\n\n // There exists only 1 of each token.\n // require(amount == 1, \"INVALID_AMOUNT\")\n if sub(calldataload(100), 1) {\n // Revert with `Error(\"INVALID_AMOUNT\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from` and `to` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 64)\n\n // Copy `tokenId` field from our own calldata to the new calldata.\n let assetDataOffset := calldataload(4)\n calldatacopy(68, add(assetDataOffset, 72), 32)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let token := calldataload(add(assetDataOffset, 40))\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output to null\n 0 // output size is 0 bytes\n )\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", - "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAuthorizable.sol\";\n\n\ncontract MixinAuthorizable is\n Ownable,\n MAuthorizable\n{\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized {\n require(\n authorized[msg.sender],\n \"SENDER_NOT_AUTHORIZED\"\n );\n _;\n }\n\n mapping (address => bool) public authorized;\n address[] public authorities;\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n !authorized[target],\n \"TARGET_ALREADY_AUTHORIZED\"\n );\n\n authorized[target] = true;\n authorities.push(target);\n emit AuthorizedAddressAdded(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n\n delete authorized[target];\n for (uint256 i = 0; i < authorities.length; i++) {\n if (authorities[i] == target) {\n authorities[i] = authorities[authorities.length - 1];\n authorities.length -= 1;\n break;\n }\n }\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n require(\n index < authorities.length,\n \"INDEX_OUT_OF_BOUNDS\"\n );\n require(\n authorities[index] == target,\n \"AUTHORIZED_ADDRESS_MISMATCH\"\n );\n\n delete authorized[target];\n authorities[index] = authorities[authorities.length - 1];\n authorities.length -= 1;\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory)\n {\n return authorities;\n }\n}\n", - "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IAuthorizable.sol\";\n\n\ncontract IAssetProxy is\n IAuthorizable\n{\n /// @dev Transfers assets. Either succeeds or throws.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n function transferFrom(\n bytes assetData,\n address from,\n address to,\n uint256 amount\n )\n external;\n \n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4);\n}\n", - "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/Ownable/IOwnable.sol\";\n\n\ncontract IAuthorizable is\n IOwnable\n{\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external;\n \n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory);\n}\n", - "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAuthorizable.sol\";\n\n\ncontract MAuthorizable is\n IAuthorizable\n{\n // Event logged when a new address is authorized.\n event AuthorizedAddressAdded(\n address indexed target,\n address indexed caller\n );\n\n // Event logged when a currently authorized address is unauthorized.\n event AuthorizedAddressRemoved(\n address indexed target,\n address indexed caller\n );\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized { revert(); _; }\n}\n", - "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../multisig/MultiSigWalletWithTimeLock.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract AssetProxyOwner is\n MultiSigWalletWithTimeLock\n{\n using LibBytes for bytes;\n\n event AssetProxyRegistration(address assetProxyContract, bool isRegistered);\n\n // Mapping of AssetProxy contract address =>\n // if this contract is allowed to call the AssetProxy's `removeAuthorizedAddressAtIndex` method without a time lock.\n mapping (address => bool) public isAssetProxyRegistered;\n\n bytes4 constant internal REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR = bytes4(keccak256(\"removeAuthorizedAddressAtIndex(address,uint256)\"));\n\n /// @dev Function will revert if the transaction does not call `removeAuthorizedAddressAtIndex`\n /// on an approved AssetProxy contract.\n modifier validRemoveAuthorizedAddressAtIndexTx(uint256 transactionId) {\n Transaction storage txn = transactions[transactionId];\n require(\n isAssetProxyRegistered[txn.destination],\n \"UNREGISTERED_ASSET_PROXY\"\n );\n require(\n txn.data.readBytes4(0) == REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR,\n \"INVALID_FUNCTION_SELECTOR\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations,\n /// time lock, and list of AssetProxy addresses.\n /// @param _owners List of initial owners.\n /// @param _assetProxyContracts Array of AssetProxy contract addresses.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] memory _owners,\n address[] memory _assetProxyContracts,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWalletWithTimeLock(_owners, _required, _secondsTimeLocked)\n {\n for (uint256 i = 0; i < _assetProxyContracts.length; i++) {\n address assetProxy = _assetProxyContracts[i];\n require(\n assetProxy != address(0),\n \"INVALID_ASSET_PROXY\"\n );\n isAssetProxyRegistered[assetProxy] = true;\n }\n }\n\n /// @dev Registers or deregisters an AssetProxy to be able to execute\n /// `removeAuthorizedAddressAtIndex` without a timelock.\n /// @param assetProxyContract Address of AssetProxy contract.\n /// @param isRegistered Status of approval for AssetProxy contract.\n function registerAssetProxy(address assetProxyContract, bool isRegistered)\n public\n onlyWallet\n notNull(assetProxyContract)\n {\n isAssetProxyRegistered[assetProxyContract] = isRegistered;\n emit AssetProxyRegistration(assetProxyContract, isRegistered);\n }\n\n /// @dev Allows execution of `removeAuthorizedAddressAtIndex` without time lock.\n /// @param transactionId Transaction ID.\n function executeRemoveAuthorizedAddressAtIndex(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n validRemoveAuthorizedAddressAtIndexTx(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n}\n", - "2.0.0/protocol/Exchange/Exchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinExchangeCore.sol\";\nimport \"./MixinSignatureValidator.sol\";\nimport \"./MixinWrapperFunctions.sol\";\nimport \"./MixinAssetProxyDispatcher.sol\";\nimport \"./MixinTransactions.sol\";\nimport \"./MixinMatchOrders.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Exchange is\n MixinExchangeCore,\n MixinMatchOrders,\n MixinSignatureValidator,\n MixinTransactions,\n MixinAssetProxyDispatcher,\n MixinWrapperFunctions\n{\n string constant public VERSION = \"2.0.1-alpha\";\n\n // Mixins are instantiated in the order they are inherited\n constructor (bytes memory _zrxAssetData)\n public\n LibConstants(_zrxAssetData) // @TODO: Remove when we deploy.\n MixinExchangeCore()\n MixinMatchOrders()\n MixinSignatureValidator()\n MixinTransactions()\n MixinAssetProxyDispatcher()\n MixinWrapperFunctions()\n {}\n}\n", - "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\nimport \"../AssetProxy/interfaces/IAssetProxy.sol\";\n\n\ncontract MixinAssetProxyDispatcher is\n Ownable,\n MAssetProxyDispatcher\n{\n // Mapping from Asset Proxy Id's to their respective Asset Proxy\n mapping (bytes4 => IAssetProxy) public assetProxies;\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external\n onlyOwner\n {\n IAssetProxy assetProxyContract = IAssetProxy(assetProxy);\n\n // Ensure that no asset proxy exists with current id.\n bytes4 assetProxyId = assetProxyContract.getProxyId();\n address currentAssetProxy = assetProxies[assetProxyId];\n require(\n currentAssetProxy == address(0),\n \"ASSET_PROXY_ALREADY_EXISTS\"\n );\n\n // Add asset proxy and log registration.\n assetProxies[assetProxyId] = assetProxyContract;\n emit AssetProxyRegistered(\n assetProxyId,\n assetProxy\n );\n }\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address)\n {\n return assetProxies[assetProxyId];\n }\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal\n {\n // Do nothing if no amount should be transferred.\n if (amount > 0 && from != to) {\n // Ensure assetData length is valid\n require(\n assetData.length > 3,\n \"LENGTH_GREATER_THAN_3_REQUIRED\"\n );\n \n // Lookup assetProxy. We do not use `LibBytes.readBytes4` for gas efficiency reasons.\n bytes4 assetProxyId;\n assembly {\n assetProxyId := and(mload(\n add(assetData, 32)),\n 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000\n )\n }\n address assetProxy = assetProxies[assetProxyId];\n\n // Ensure that assetProxy exists\n require(\n assetProxy != address(0),\n \"ASSET_PROXY_DOES_NOT_EXIST\"\n );\n \n // We construct calldata for the `assetProxy.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n\n assembly {\n /////// Setup State ///////\n // `cdStart` is the start of the calldata for `assetProxy.transferFrom` (equal to free memory ptr).\n let cdStart := mload(64)\n // `dataAreaLength` is the total number of words needed to store `assetData`\n // As-per the ABI spec, this value is padded up to the nearest multiple of 32,\n // and includes 32-bytes for length.\n let dataAreaLength := and(add(mload(assetData), 63), 0xFFFFFFFFFFFE0)\n // `cdEnd` is the end of the calldata for `assetProxy.transferFrom`.\n let cdEnd := add(cdStart, add(132, dataAreaLength))\n\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFromSelector`.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes.\n // Notes:\n // 1. The offset to `assetData` is the length of the Params Area (128 bytes).\n // 2. A 20-byte mask is applied to addresses to zero-out the unused bytes.\n mstore(add(cdStart, 4), 128)\n mstore(add(cdStart, 36), and(from, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 68), and(to, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 100), amount)\n \n /////// Setup Data Area ///////\n // This area holds `assetData`.\n let dataArea := add(cdStart, 132)\n // solhint-disable-next-line no-empty-blocks\n for {} lt(dataArea, cdEnd) {} {\n mstore(dataArea, mload(assetData))\n dataArea := add(dataArea, 32)\n assetData := add(assetData, 32)\n }\n\n /////// Call `assetProxy.transferFrom` using the constructed calldata ///////\n let success := call(\n gas, // forward all gas\n assetProxy, // call address of asset proxy\n 0, // don't send any ETH\n cdStart, // pointer to start of input\n sub(cdEnd, cdStart), // length of input \n cdStart, // write output over input\n 512 // reserve 512 bytes for output\n )\n if iszero(success) {\n revert(cdStart, returndatasize())\n }\n }\n }\n }\n}\n", - "2.0.0/protocol/Exchange/MixinExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinExchangeCore is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n LibOrder,\n LibFillResults,\n MAssetProxyDispatcher,\n MExchangeCore,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of orderHash => amount of takerAsset already bought by maker\n mapping (bytes32 => uint256) public filled;\n\n // Mapping of orderHash => cancelled\n mapping (bytes32 => bool) public cancelled;\n\n // Mapping of makerAddress => senderAddress => lowest salt an order can have in order to be fillable\n // Orders with specified senderAddress and with a salt less than their epoch are considered cancelled\n mapping (address => mapping (address => uint256)) public orderEpoch;\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external\n nonReentrant\n {\n address makerAddress = getCurrentContextAddress();\n // If this function is called via `executeTransaction`, we only update the orderEpoch for the makerAddress/msg.sender combination.\n // This allows external filter contracts to add rules to how orders are cancelled via this function.\n address senderAddress = makerAddress == msg.sender ? address(0) : msg.sender;\n\n // orderEpoch is initialized to 0, so to cancelUpTo we need salt + 1\n uint256 newOrderEpoch = targetOrderEpoch + 1; \n uint256 oldOrderEpoch = orderEpoch[makerAddress][senderAddress];\n\n // Ensure orderEpoch is monotonically increasing\n require(\n newOrderEpoch > oldOrderEpoch, \n \"INVALID_NEW_ORDER_EPOCH\"\n );\n\n // Update orderEpoch\n orderEpoch[makerAddress][senderAddress] = newOrderEpoch;\n emit CancelUpTo(\n makerAddress,\n senderAddress,\n newOrderEpoch\n );\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrder(Order memory order)\n public\n nonReentrant\n {\n cancelOrderInternal(order);\n }\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(Order memory order)\n public\n view\n returns (OrderInfo memory orderInfo)\n {\n // Compute the order hash\n orderInfo.orderHash = getOrderHash(order);\n\n // Fetch filled amount\n orderInfo.orderTakerAssetFilledAmount = filled[orderInfo.orderHash];\n\n // If order.makerAssetAmount is zero, we also reject the order.\n // While the Exchange contract handles them correctly, they create\n // edge cases in the supporting infrastructure because they have\n // an 'infinite' price when computed by a simple division.\n if (order.makerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_MAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // If order.takerAssetAmount is zero, then the order will always\n // be considered filled because 0 == takerAssetAmount == orderTakerAssetFilledAmount\n // Instead of distinguishing between unfilled and filled zero taker\n // amount orders, we choose not to support them.\n if (order.takerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_TAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // Validate order availability\n if (orderInfo.orderTakerAssetFilledAmount >= order.takerAssetAmount) {\n orderInfo.orderStatus = uint8(OrderStatus.FULLY_FILLED);\n return orderInfo;\n }\n\n // Validate order expiration\n // solhint-disable-next-line not-rely-on-time\n if (block.timestamp >= order.expirationTimeSeconds) {\n orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);\n return orderInfo;\n }\n\n // Check if order has been cancelled\n if (cancelled[orderInfo.orderHash]) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n if (orderEpoch[order.makerAddress][order.senderAddress] > order.salt) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n\n // All other statuses are ruled out: order is Fillable\n orderInfo.orderStatus = uint8(OrderStatus.FILLABLE);\n return orderInfo;\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // Fetch order info\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Assert that the order is fillable by taker\n assertFillableOrder(\n order,\n orderInfo,\n takerAddress,\n signature\n );\n \n // Get amount of takerAsset to fill\n uint256 remainingTakerAssetAmount = safeSub(order.takerAssetAmount, orderInfo.orderTakerAssetFilledAmount);\n uint256 takerAssetFilledAmount = min256(takerAssetFillAmount, remainingTakerAssetAmount);\n\n // Validate context\n assertValidFill(\n order,\n orderInfo,\n takerAssetFillAmount,\n takerAssetFilledAmount,\n fillResults.makerAssetFilledAmount\n );\n\n // Compute proportional fill amounts\n fillResults = calculateFillResults(order, takerAssetFilledAmount);\n\n // Update exchange internal state\n updateFilledState(\n order,\n takerAddress,\n orderInfo.orderHash,\n orderInfo.orderTakerAssetFilledAmount,\n fillResults\n );\n \n // Settle order\n settleOrder(\n order,\n takerAddress,\n fillResults\n );\n\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrderInternal(Order memory order)\n internal\n {\n // Fetch current order status\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Validate context\n assertValidCancel(order, orderInfo);\n\n // Perform cancel\n updateCancelledState(order, orderInfo.orderHash);\n }\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n function updateFilledState(\n Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n FillResults memory fillResults\n )\n internal\n {\n // Update state\n filled[orderHash] = safeAdd(orderTakerAssetFilledAmount, fillResults.takerAssetFilledAmount);\n\n // Log order\n emit Fill(\n order.makerAddress,\n order.feeRecipientAddress,\n takerAddress,\n msg.sender,\n fillResults.makerAssetFilledAmount,\n fillResults.takerAssetFilledAmount,\n fillResults.makerFeePaid,\n fillResults.takerFeePaid,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n Order memory order,\n bytes32 orderHash\n )\n internal\n {\n // Perform cancel\n cancelled[orderHash] = true;\n\n // Log cancel\n emit Cancel(\n order.makerAddress,\n order.feeRecipientAddress,\n msg.sender,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n Order memory order,\n OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view\n {\n // An order can only be filled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n \n // Validate sender is allowed to fill this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n \n // Validate taker is allowed to fill this order\n if (order.takerAddress != address(0)) {\n require(\n order.takerAddress == takerAddress,\n \"INVALID_TAKER\"\n );\n }\n \n // Validate Maker signature (check only if first time seen)\n if (orderInfo.orderTakerAssetFilledAmount == 0) {\n require(\n isValidSignature(\n orderInfo.orderHash,\n order.makerAddress,\n signature\n ),\n \"INVALID_ORDER_SIGNATURE\"\n );\n }\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n Order memory order,\n OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount, // TODO: use FillResults\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view\n {\n // Revert if fill amount is invalid\n // TODO: reconsider necessity for v2.1\n require(\n takerAssetFillAmount != 0,\n \"INVALID_TAKER_AMOUNT\"\n );\n \n // Make sure taker does not pay more than desired amount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n takerAssetFilledAmount <= takerAssetFillAmount,\n \"TAKER_OVERPAY\"\n );\n \n // Make sure order is not overfilled\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeAdd(orderInfo.orderTakerAssetFilledAmount, takerAssetFilledAmount) <= order.takerAssetAmount,\n \"ORDER_OVERFILL\"\n );\n \n // Make sure order is filled at acceptable price.\n // The order has an implied price from the makers perspective:\n // order price = order.makerAssetAmount / order.takerAssetAmount\n // i.e. the number of makerAsset maker is paying per takerAsset. The\n // maker is guaranteed to get this price or a better (lower) one. The\n // actual price maker is getting in this fill is:\n // fill price = makerAssetFilledAmount / takerAssetFilledAmount\n // We need `fill price <= order price` for the fill to be fair to maker.\n // This amounts to:\n // makerAssetFilledAmount order.makerAssetAmount\n // ------------------------ <= -----------------------\n // takerAssetFilledAmount order.takerAssetAmount\n // or, equivalently:\n // makerAssetFilledAmount * order.takerAssetAmount <=\n // order.makerAssetAmount * takerAssetFilledAmount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeMul(makerAssetFilledAmount, order.takerAssetAmount)\n <= \n safeMul(order.makerAssetAmount, takerAssetFilledAmount),\n \"INVALID_FILL_PRICE\"\n );\n }\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n Order memory order,\n OrderInfo memory orderInfo\n )\n internal\n view\n {\n // Ensure order is valid\n // An order can only be cancelled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Validate sender is allowed to cancel this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate transaction signed by maker\n address makerAddress = getCurrentContextAddress();\n require(\n order.makerAddress == makerAddress,\n \"INVALID_MAKER\"\n );\n }\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (FillResults memory fillResults)\n {\n // Compute proportional transfer amounts\n fillResults.takerAssetFilledAmount = takerAssetFilledAmount;\n fillResults.makerAssetFilledAmount = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n );\n fillResults.makerFeePaid = safeGetPartialAmountFloor(\n fillResults.makerAssetFilledAmount,\n order.makerAssetAmount,\n order.makerFee\n );\n fillResults.takerFeePaid = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.takerFee\n );\n\n return fillResults;\n }\n\n /// @dev Settles an order by transferring assets between counterparties.\n /// @param order Order struct containing order specifications.\n /// @param takerAddress Address selling takerAsset and buying makerAsset.\n /// @param fillResults Amounts to be filled and fees paid by maker and taker.\n function settleOrder(\n LibOrder.Order memory order,\n address takerAddress,\n LibFillResults.FillResults memory fillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n dispatchTransferFrom(\n order.makerAssetData,\n order.makerAddress,\n takerAddress,\n fillResults.makerAssetFilledAmount\n );\n dispatchTransferFrom(\n order.takerAssetData,\n takerAddress,\n order.makerAddress,\n fillResults.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n zrxAssetData,\n order.makerAddress,\n order.feeRecipientAddress,\n fillResults.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n order.feeRecipientAddress,\n fillResults.takerFeePaid\n );\n }\n}\n", - "2.0.0/protocol/Exchange/MixinMatchOrders.sol": "/*\n Copyright 2018 ZeroEx Intl.\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n http://www.apache.org/licenses/LICENSE-2.0\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MMatchOrders.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinMatchOrders is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n MAssetProxyDispatcher,\n MExchangeCore,\n MMatchOrders,\n MTransactions\n{\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n nonReentrant\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We assume that rightOrder.takerAssetData == leftOrder.makerAssetData and rightOrder.makerAssetData == leftOrder.takerAssetData.\n // If this assumption isn't true, the match will fail at signature validation.\n rightOrder.makerAssetData = leftOrder.takerAssetData;\n rightOrder.takerAssetData = leftOrder.makerAssetData;\n\n // Get left & right order info\n LibOrder.OrderInfo memory leftOrderInfo = getOrderInfo(leftOrder);\n LibOrder.OrderInfo memory rightOrderInfo = getOrderInfo(rightOrder);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Either our context is valid or we revert\n assertFillableOrder(\n leftOrder,\n leftOrderInfo,\n takerAddress,\n leftSignature\n );\n assertFillableOrder(\n rightOrder,\n rightOrderInfo,\n takerAddress,\n rightSignature\n );\n assertValidMatch(leftOrder, rightOrder);\n\n // Compute proportional fill amounts\n matchedFillResults = calculateMatchedFillResults(\n leftOrder,\n rightOrder,\n leftOrderInfo.orderTakerAssetFilledAmount,\n rightOrderInfo.orderTakerAssetFilledAmount\n );\n\n // Validate fill contexts\n assertValidFill(\n leftOrder,\n leftOrderInfo,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.makerAssetFilledAmount\n );\n assertValidFill(\n rightOrder,\n rightOrderInfo,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n \n // Update exchange state\n updateFilledState(\n leftOrder,\n takerAddress,\n leftOrderInfo.orderHash,\n leftOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.left\n );\n updateFilledState(\n rightOrder,\n takerAddress,\n rightOrderInfo.orderHash,\n rightOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.right\n );\n\n // Settle matched orders. Succeeds or throws.\n settleMatchedOrders(\n leftOrder,\n rightOrder,\n takerAddress,\n matchedFillResults\n );\n\n return matchedFillResults;\n }\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure\n {\n // Make sure there is a profitable spread.\n // There is a profitable spread iff the cost per unit bought (OrderA.MakerAmount/OrderA.TakerAmount) for each order is greater\n // than the profit per unit sold of the matched order (OrderB.TakerAmount/OrderB.MakerAmount).\n // This is satisfied by the equations below:\n // / >= / \n // AND\n // / >= / \n // These equations can be combined to get the following:\n require(\n safeMul(leftOrder.makerAssetAmount, rightOrder.makerAssetAmount) >=\n safeMul(leftOrder.takerAssetAmount, rightOrder.takerAssetAmount),\n \"NEGATIVE_SPREAD_REQUIRED\"\n );\n }\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // Derive maker asset amounts for left & right orders, given store taker assert amounts\n uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);\n uint256 leftMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n leftTakerAssetAmountRemaining\n );\n uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);\n uint256 rightMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n rightOrder.makerAssetAmount,\n rightOrder.takerAssetAmount,\n rightTakerAssetAmountRemaining\n );\n\n // Calculate fill results for maker and taker assets: at least one order will be fully filled.\n // The maximum amount the left maker can buy is `leftTakerAssetAmountRemaining`\n // The maximum amount the right maker can sell is `rightMakerAssetAmountRemaining`\n // We have two distinct cases for calculating the fill results:\n // Case 1.\n // If the left maker can buy more than the right maker can sell, then only the right order is fully filled.\n // If the left maker can buy exactly what the right maker can sell, then both orders are fully filled.\n // Case 2.\n // If the left maker cannot buy more than the right maker can sell, then only the left order is fully filled.\n if (leftTakerAssetAmountRemaining >= rightMakerAssetAmountRemaining) {\n // Case 1: Right order is fully filled\n matchedFillResults.right.makerAssetFilledAmount = rightMakerAssetAmountRemaining;\n matchedFillResults.right.takerAssetFilledAmount = rightTakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = matchedFillResults.right.makerAssetFilledAmount;\n // Round down to ensure the maker's exchange rate does not exceed the price specified by the order. \n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.left.makerAssetFilledAmount = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n matchedFillResults.left.takerAssetFilledAmount\n );\n } else {\n // Case 2: Left order is fully filled\n matchedFillResults.left.makerAssetFilledAmount = leftMakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = leftTakerAssetAmountRemaining;\n matchedFillResults.right.makerAssetFilledAmount = matchedFillResults.left.takerAssetFilledAmount;\n // Round up to ensure the maker's exchange rate does not exceed the price specified by the order.\n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.right.takerAssetFilledAmount = safeGetPartialAmountCeil(\n rightOrder.takerAssetAmount,\n rightOrder.makerAssetAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n }\n\n // Calculate amount given to taker\n matchedFillResults.leftMakerAssetSpreadAmount = safeSub(\n matchedFillResults.left.makerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount\n );\n\n // Compute fees for left order\n matchedFillResults.left.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.makerAssetFilledAmount,\n leftOrder.makerAssetAmount,\n leftOrder.makerFee\n );\n matchedFillResults.left.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.takerAssetFilledAmount,\n leftOrder.takerAssetAmount,\n leftOrder.takerFee\n );\n\n // Compute fees for right order\n matchedFillResults.right.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.makerAssetFilledAmount,\n rightOrder.makerAssetAmount,\n rightOrder.makerFee\n );\n matchedFillResults.right.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.takerAssetFilledAmount,\n rightOrder.takerAssetAmount,\n rightOrder.takerFee\n );\n\n // Return fill results\n return matchedFillResults;\n }\n\n /// @dev Settles matched order by transferring appropriate funds between order makers, taker, and fee recipient.\n /// @param leftOrder First matched order.\n /// @param rightOrder Second matched order.\n /// @param takerAddress Address that matched the orders. The taker receives the spread between orders as profit.\n /// @param matchedFillResults Struct holding amounts to transfer between makers, taker, and fee recipients.\n function settleMatchedOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n address takerAddress,\n LibFillResults.MatchedFillResults memory matchedFillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n // Order makers and taker\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n rightOrder.makerAddress,\n matchedFillResults.right.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n rightOrder.makerAssetData,\n rightOrder.makerAddress,\n leftOrder.makerAddress,\n matchedFillResults.left.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n takerAddress,\n matchedFillResults.leftMakerAssetSpreadAmount\n );\n\n // Maker fees\n dispatchTransferFrom(\n zrxAssetData,\n leftOrder.makerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n rightOrder.makerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.makerFeePaid\n );\n\n // Taker fees\n if (leftOrder.feeRecipientAddress == rightOrder.feeRecipientAddress) {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n safeAdd(\n matchedFillResults.left.takerFeePaid,\n matchedFillResults.right.takerFeePaid\n )\n );\n } else {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.takerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.takerFeePaid\n );\n }\n }\n}\n", - "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./interfaces/IWallet.sol\";\nimport \"./interfaces/IValidator.sol\";\n\n\ncontract MixinSignatureValidator is\n ReentrancyGuard,\n MSignatureValidator,\n MTransactions\n{\n using LibBytes for bytes;\n \n // Mapping of hash => signer => signed\n mapping (bytes32 => mapping (address => bool)) public preSigned;\n\n // Mapping of signer => validator => approved\n mapping (address => mapping (address => bool)) public allowedValidators;\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n {\n if (signerAddress != msg.sender) {\n require(\n isValidSignature(\n hash,\n signerAddress,\n signature\n ),\n \"INVALID_SIGNATURE\"\n );\n }\n preSigned[hash][signerAddress] = true;\n }\n\n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external\n nonReentrant\n {\n address signerAddress = getCurrentContextAddress();\n allowedValidators[signerAddress][validatorAddress] = approval;\n emit SignatureValidatorApproval(\n signerAddress,\n validatorAddress,\n approval\n );\n }\n\n /// @dev Verifies that a hash has been signed by the given signer.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid)\n {\n require(\n signature.length > 0,\n \"LENGTH_GREATER_THAN_0_REQUIRED\"\n );\n\n // Pop last byte off of signature byte array.\n uint8 signatureTypeRaw = uint8(signature.popLastByte());\n\n // Ensure signature is supported\n require(\n signatureTypeRaw < uint8(SignatureType.NSignatureTypes),\n \"SIGNATURE_UNSUPPORTED\"\n );\n\n SignatureType signatureType = SignatureType(signatureTypeRaw);\n\n // Variables are not scoped in Solidity.\n uint8 v;\n bytes32 r;\n bytes32 s;\n address recovered;\n\n // Always illegal signature.\n // This is always an implicit option since a signer can create a\n // signature array with invalid type or length. We may as well make\n // it an explicit option. This aids testing and analysis. It is\n // also the initialization value for the enum type.\n if (signatureType == SignatureType.Illegal) {\n revert(\"SIGNATURE_ILLEGAL\");\n\n // Always invalid signature.\n // Like Illegal, this is always implicitly available and therefore\n // offered explicitly. It can be implicitly created by providing\n // a correctly formatted but incorrect signature.\n } else if (signatureType == SignatureType.Invalid) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = false;\n return isValid;\n\n // Signature using EIP712\n } else if (signatureType == SignatureType.EIP712) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n hash,\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signed using web3.eth_sign\n } else if (signatureType == SignatureType.EthSign) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n32\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signature verified by wallet contract.\n // If used with an order, the maker of the order is the wallet contract.\n } else if (signatureType == SignatureType.Wallet) {\n isValid = isValidWalletSignature(\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signature verified by validator contract.\n // If used with an order, the maker of the order can still be an EOA.\n // A signature using this type should be encoded as:\n // | Offset | Length | Contents |\n // | 0x00 | x | Signature to validate |\n // | 0x00 + x | 20 | Address of validator contract |\n // | 0x14 + x | 1 | Signature type is always \"\\x06\" |\n } else if (signatureType == SignatureType.Validator) {\n // Pop last 20 bytes off of signature byte array.\n address validatorAddress = signature.popLast20Bytes();\n \n // Ensure signer has approved validator.\n if (!allowedValidators[signerAddress][validatorAddress]) {\n return false;\n }\n isValid = isValidValidatorSignature(\n validatorAddress,\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signer signed hash previously using the preSign function.\n } else if (signatureType == SignatureType.PreSigned) {\n isValid = preSigned[hash][signerAddress];\n return isValid;\n }\n\n // Anything else is illegal (We do not return false because\n // the signature may actually be valid, just not in a format\n // that we currently support. In this case returning false\n // may lead the caller to incorrectly believe that the\n // signature was invalid.)\n revert(\"SIGNATURE_UNSUPPORTED\");\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if signature is valid for given wallet..\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IWallet(walletAddress).isValidSignature.selector,\n hash,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n walletAddress, // address of Wallet contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"WALLET_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000c57414c4c45545f4552524f5200000000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IValidator(signerAddress).isValidSignature.selector,\n hash,\n signerAddress,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n validatorAddress, // address of Validator contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"VALIDATOR_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f56414c494441544f525f4552524f5200000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n}\n", - "2.0.0/protocol/Exchange/MixinTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"./libs/LibExchangeErrors.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./libs/LibEIP712.sol\";\n\n\ncontract MixinTransactions is\n LibEIP712,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of transaction hash => executed\n // This prevents transactions from being executed more than once.\n mapping (bytes32 => bool) public transactions;\n\n // Address of current transaction signer\n address public currentContextAddress;\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external\n {\n // Prevent reentrancy\n require(\n currentContextAddress == address(0),\n \"REENTRANCY_ILLEGAL\"\n );\n\n bytes32 transactionHash = hashEIP712Message(hashZeroExTransaction(\n salt,\n signerAddress,\n data\n ));\n\n // Validate transaction has not been executed\n require(\n !transactions[transactionHash],\n \"INVALID_TX_HASH\"\n );\n\n // Transaction always valid if signer is sender of transaction\n if (signerAddress != msg.sender) {\n // Validate signature\n require(\n isValidSignature(\n transactionHash,\n signerAddress,\n signature\n ),\n \"INVALID_TX_SIGNATURE\"\n );\n\n // Set the current transaction signer\n currentContextAddress = signerAddress;\n }\n\n // Execute transaction\n transactions[transactionHash] = true;\n require(\n address(this).delegatecall(data),\n \"FAILED_EXECUTION\"\n );\n\n // Reset current transaction signer if it was previously updated\n if (signerAddress != msg.sender) {\n currentContextAddress = address(0);\n }\n }\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;\n bytes32 dataHash = keccak256(data);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,\n // salt,\n // bytes32(signerAddress),\n // keccak256(data)\n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, schemaHash) // hash of schema\n mstore(add(memPtr, 32), salt) // salt\n mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff)) // signerAddress\n mstore(add(memPtr, 96), dataHash) // hash of data\n\n // Compute hash\n result := keccak256(memPtr, 128)\n }\n return result;\n }\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address)\n {\n address currentContextAddress_ = currentContextAddress;\n address contextAddress = currentContextAddress_ == address(0) ? msg.sender : currentContextAddress_;\n return contextAddress;\n }\n}\n", - "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibAbiEncoder.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MWrapperFunctions.sol\";\n\n\ncontract MixinWrapperFunctions is\n ReentrancyGuard,\n LibMath,\n LibFillResults,\n LibAbiEncoder,\n MExchangeCore,\n MWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrKillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n // Delegate to `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := delegatecall(\n gas, // forward all gas\n address, // call address of this contract\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrKillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n \n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public\n nonReentrant\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n cancelOrderInternal(orders[i]);\n }\n }\n\n /// @dev Fetches information for all passed in orders.\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n LibOrder.OrderInfo[] memory ordersInfo = new LibOrder.OrderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n ordersInfo[i] = getOrderInfo(orders[i]);\n }\n return ordersInfo;\n }\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n require(\n fillResults.takerAssetFilledAmount == takerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return fillResults;\n }\n}\n", - "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssetProxyDispatcher {\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external;\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IExchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./IExchangeCore.sol\";\nimport \"./IMatchOrders.sol\";\nimport \"./ISignatureValidator.sol\";\nimport \"./ITransactions.sol\";\nimport \"./IAssetProxyDispatcher.sol\";\nimport \"./IWrapperFunctions.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract IExchange is\n IExchangeCore,\n IMatchOrders,\n ISignatureValidator,\n ITransactions,\n IAssetProxyDispatcher,\n IWrapperFunctions\n{}\n", - "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IExchangeCore {\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external;\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrder(LibOrder.Order memory order)\n public;\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(LibOrder.Order memory order)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IMatchOrders {\n\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n}\n", - "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ISignatureValidator {\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external;\n \n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external;\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address of signer.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\n\ncontract ITransactions {\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external;\n}\n", - "2.0.0/protocol/Exchange/interfaces/IValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IValidator {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IWallet {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IWrapperFunctions {\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public;\n\n /// @dev Fetches information for all passed in orders\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory);\n}\n", - "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./LibOrder.sol\";\n\n\ncontract LibAbiEncoder {\n\n /// @dev ABI encodes calldata for `fillOrder`.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return ABI encoded calldata for `fillOrder`.\n function abiEncodeFillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n pure\n returns (bytes memory fillOrderCalldata)\n {\n // We need to call MExchangeCore.fillOrder using a delegatecall in\n // assembly so that we can intercept a call that throws. For this, we\n // need the input encoded in memory in the Ethereum ABIv2 format [1].\n\n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0x00 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 0x00 | | 1. offset to order (*) |\n // | | 0x20 | | 2. takerAssetFillAmount |\n // | | 0x40 | | 3. offset to signature (*) |\n // | Data | | 12 * 32 | order: |\n // | | 0x000 | | 1. senderAddress |\n // | | 0x020 | | 2. makerAddress |\n // | | 0x040 | | 3. takerAddress |\n // | | 0x060 | | 4. feeRecipientAddress |\n // | | 0x080 | | 5. makerAssetAmount |\n // | | 0x0A0 | | 6. takerAssetAmount |\n // | | 0x0C0 | | 7. makerFeeAmount |\n // | | 0x0E0 | | 8. takerFeeAmount |\n // | | 0x100 | | 9. expirationTimeSeconds |\n // | | 0x120 | | 10. salt |\n // | | 0x140 | | 11. Offset to makerAssetData (*) |\n // | | 0x160 | | 12. Offset to takerAssetData (*) |\n // | | 0x180 | 32 | makerAssetData Length |\n // | | 0x1A0 | ** | makerAssetData Contents |\n // | | 0x1C0 | 32 | takerAssetData Length |\n // | | 0x1E0 | ** | takerAssetData Contents |\n // | | 0x200 | 32 | signature Length |\n // | | 0x220 | ** | signature Contents |\n\n // * Offsets are calculated from the beginning of the current area: Header, Params, Data:\n // An offset stored in the Params area is calculated from the beginning of the Params section.\n // An offset stored in the Data area is calculated from the beginning of the Data section.\n\n // ** The length of dynamic array contents are stored in the field immediately preceeding the contents.\n\n // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html\n\n assembly {\n\n // Areas below may use the following variables:\n // 1. Start -- Start of this area in memory\n // 2. End -- End of this area in memory. This value may\n // be precomputed (before writing contents),\n // or it may be computed as contents are written.\n // 3. Offset -- Current offset into area. If an area's End\n // is precomputed, this variable tracks the\n // offsets of contents as they are written.\n\n /////// Setup Header Area ///////\n // Load free memory pointer\n fillOrderCalldata := mload(0x40)\n // bytes4(keccak256(\"fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)\"))\n // = 0xb4be83d5\n // Leave 0x20 bytes to store the length\n mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000)\n let headerAreaEnd := add(fillOrderCalldata, 0x24)\n\n /////// Setup Params Area ///////\n // This area is preallocated and written to later.\n // This is because we need to fill in offsets that have not yet been calculated.\n let paramsAreaStart := headerAreaEnd\n let paramsAreaEnd := add(paramsAreaStart, 0x60)\n let paramsAreaOffset := paramsAreaStart\n\n /////// Setup Data Area ///////\n let dataAreaStart := paramsAreaEnd\n let dataAreaEnd := dataAreaStart\n\n // Offset from the source data we're reading from\n let sourceOffset := order\n // arrayLenBytes and arrayLenWords track the length of a dynamically-allocated bytes array.\n let arrayLenBytes := 0\n let arrayLenWords := 0\n\n /////// Write order Struct ///////\n // Write memory location of Order, relative to the start of the\n // parameter list, then increment the paramsAreaOffset respectively.\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n // Write values for each field in the order\n // It would be nice to use a loop, but we save on gas by writing\n // the stores sequentially.\n mstore(dataAreaEnd, mload(sourceOffset)) // makerAddress\n mstore(add(dataAreaEnd, 0x20), mload(add(sourceOffset, 0x20))) // takerAddress\n mstore(add(dataAreaEnd, 0x40), mload(add(sourceOffset, 0x40))) // feeRecipientAddress\n mstore(add(dataAreaEnd, 0x60), mload(add(sourceOffset, 0x60))) // senderAddress\n mstore(add(dataAreaEnd, 0x80), mload(add(sourceOffset, 0x80))) // makerAssetAmount\n mstore(add(dataAreaEnd, 0xA0), mload(add(sourceOffset, 0xA0))) // takerAssetAmount\n mstore(add(dataAreaEnd, 0xC0), mload(add(sourceOffset, 0xC0))) // makerFeeAmount\n mstore(add(dataAreaEnd, 0xE0), mload(add(sourceOffset, 0xE0))) // takerFeeAmount\n mstore(add(dataAreaEnd, 0x100), mload(add(sourceOffset, 0x100))) // expirationTimeSeconds\n mstore(add(dataAreaEnd, 0x120), mload(add(sourceOffset, 0x120))) // salt\n mstore(add(dataAreaEnd, 0x140), mload(add(sourceOffset, 0x140))) // Offset to makerAssetData\n mstore(add(dataAreaEnd, 0x160), mload(add(sourceOffset, 0x160))) // Offset to takerAssetData\n dataAreaEnd := add(dataAreaEnd, 0x180)\n sourceOffset := add(sourceOffset, 0x180)\n\n // Write offset to \n mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x140)) // makerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Write offset to \n mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x160)) // takerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n /////// Write takerAssetFillAmount ///////\n mstore(paramsAreaOffset, takerAssetFillAmount)\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n /////// Write signature ///////\n // Write offset to paramsArea\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n\n // Calculate length of signature\n sourceOffset := signature\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of signature\n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of signature\n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Set length of calldata\n mstore(fillOrderCalldata, sub(dataAreaEnd, add(fillOrderCalldata, 0x20)))\n\n // Increment free memory pointer\n mstore(0x40, dataAreaEnd)\n }\n\n return fillOrderCalldata;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\n// solhint-disable max-line-length\ncontract LibConstants {\n \n // Asset data for ZRX token. Used for fee transfers.\n // @TODO: Hardcode constant when we deploy. Currently \n // not constant to make testing easier.\n\n // The proxyId for ZRX_ASSET_DATA is bytes4(keccak256(\"ERC20Token(address)\")) = 0xf47261b0\n \n // Kovan ZRX address is 0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570.\n // The ABI encoded proxyId and address is 0xf47261b00000000000000000000000006ff6c0ff1d68b964901f986d4c9fa3ac68346570\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x6f\\xf6\\xc0\\xff\\x1d\\x68\\xb9\\x64\\x90\\x1f\\x98\\x6d\\x4c\\x9f\\xa3\\xac\\x68\\x34\\x65\\x70\";\n \n // Mainnet ZRX address is 0xe41d2489571d322189246dafa5ebde1f4699f498.\n // The ABI encoded proxyId and address is 0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xe4\\x1d\\x24\\x89\\x57\\x1d\\x32\\x21\\x89\\x24\\x6d\\xaf\\xa5\\xeb\\xde\\x1f\\x46\\x99\\xf4\\x98\";\n \n // solhint-disable-next-line var-name-mixedcase\n bytes public ZRX_ASSET_DATA;\n\n // @TODO: Remove when we deploy.\n constructor (bytes memory zrxAssetData)\n public\n {\n ZRX_ASSET_DATA = zrxAssetData;\n }\n}\n// solhint-enable max-line-length\n", - "2.0.0/protocol/Exchange/libs/LibEIP712.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract LibEIP712 {\n\n // EIP191 header for EIP712 prefix\n string constant internal EIP191_HEADER = \"\\x19\\x01\";\n\n // EIP712 Domain Name value\n string constant internal EIP712_DOMAIN_NAME = \"0x Protocol\";\n\n // EIP712 Domain Version value\n string constant internal EIP712_DOMAIN_VERSION = \"2\";\n\n // Hash of the EIP712 Domain Separator Schema\n bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"EIP712Domain(\",\n \"string name,\",\n \"string version,\",\n \"address verifyingContract\",\n \")\"\n ));\n\n // Hash of the EIP712 Domain Separator data\n // solhint-disable-next-line var-name-mixedcase\n bytes32 public EIP712_DOMAIN_HASH;\n\n constructor ()\n public\n {\n EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(\n EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,\n keccak256(bytes(EIP712_DOMAIN_NAME)),\n keccak256(bytes(EIP712_DOMAIN_VERSION)),\n bytes32(address(this))\n ));\n }\n\n /// @dev Calculates EIP712 encoding for a hash struct in this EIP712 Domain.\n /// @param hashStruct The EIP712 hash struct.\n /// @return EIP712 hash applied to this EIP712 Domain.\n function hashEIP712Message(bytes32 hashStruct)\n internal\n view\n returns (bytes32 result)\n {\n bytes32 eip712DomainHash = EIP712_DOMAIN_HASH;\n\n // Assembly for more efficient computing:\n // keccak256(abi.encodePacked(\n // EIP191_HEADER,\n // EIP712_DOMAIN_HASH,\n // hashStruct \n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, 0x1901000000000000000000000000000000000000000000000000000000000000) // EIP191 header\n mstore(add(memPtr, 2), eip712DomainHash) // EIP712 domain hash\n mstore(add(memPtr, 34), hashStruct) // Hash of struct\n\n // Compute hash\n result := keccak256(memPtr, 66)\n }\n return result;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity 0.4.24;\n\n\n/// @dev This contract documents the revert reasons used in the Exchange contract.\n/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons.\ncontract LibExchangeErrors {\n\n /// Order validation errors ///\n string constant ORDER_UNFILLABLE = \"ORDER_UNFILLABLE\"; // Order cannot be filled.\n string constant INVALID_MAKER = \"INVALID_MAKER\"; // Invalid makerAddress.\n string constant INVALID_TAKER = \"INVALID_TAKER\"; // Invalid takerAddress.\n string constant INVALID_SENDER = \"INVALID_SENDER\"; // Invalid `msg.sender`.\n string constant INVALID_ORDER_SIGNATURE = \"INVALID_ORDER_SIGNATURE\"; // Signature validation failed. \n \n /// fillOrder validation errors ///\n string constant INVALID_TAKER_AMOUNT = \"INVALID_TAKER_AMOUNT\"; // takerAssetFillAmount cannot equal 0.\n string constant ROUNDING_ERROR = \"ROUNDING_ERROR\"; // Rounding error greater than 0.1% of takerAssetFillAmount. \n \n /// Signature validation errors ///\n string constant INVALID_SIGNATURE = \"INVALID_SIGNATURE\"; // Signature validation failed. \n string constant SIGNATURE_ILLEGAL = \"SIGNATURE_ILLEGAL\"; // Signature type is illegal.\n string constant SIGNATURE_UNSUPPORTED = \"SIGNATURE_UNSUPPORTED\"; // Signature type unsupported.\n \n /// cancelOrdersUptTo errors ///\n string constant INVALID_NEW_ORDER_EPOCH = \"INVALID_NEW_ORDER_EPOCH\"; // Specified salt must be greater than or equal to existing orderEpoch.\n\n /// fillOrKillOrder errors ///\n string constant COMPLETE_FILL_FAILED = \"COMPLETE_FILL_FAILED\"; // Desired takerAssetFillAmount could not be completely filled. \n\n /// matchOrders errors ///\n string constant NEGATIVE_SPREAD_REQUIRED = \"NEGATIVE_SPREAD_REQUIRED\"; // Matched orders must have a negative spread.\n\n /// Transaction errors ///\n string constant REENTRANCY_ILLEGAL = \"REENTRANCY_ILLEGAL\"; // Recursive reentrancy is not allowed. \n string constant INVALID_TX_HASH = \"INVALID_TX_HASH\"; // Transaction has already been executed. \n string constant INVALID_TX_SIGNATURE = \"INVALID_TX_SIGNATURE\"; // Signature validation failed. \n string constant FAILED_EXECUTION = \"FAILED_EXECUTION\"; // Transaction execution failed. \n \n /// registerAssetProxy errors ///\n string constant ASSET_PROXY_ALREADY_EXISTS = \"ASSET_PROXY_ALREADY_EXISTS\"; // AssetProxy with same id already exists.\n\n /// dispatchTransferFrom errors ///\n string constant ASSET_PROXY_DOES_NOT_EXIST = \"ASSET_PROXY_DOES_NOT_EXIST\"; // No assetProxy registered at given id.\n string constant TRANSFER_FAILED = \"TRANSFER_FAILED\"; // Asset transfer unsuccesful.\n\n /// Length validation errors ///\n string constant LENGTH_GREATER_THAN_0_REQUIRED = \"LENGTH_GREATER_THAN_0_REQUIRED\"; // Byte array must have a length greater than 0.\n string constant LENGTH_GREATER_THAN_3_REQUIRED = \"LENGTH_GREATER_THAN_3_REQUIRED\"; // Byte array must have a length greater than 3.\n string constant LENGTH_0_REQUIRED = \"LENGTH_0_REQUIRED\"; // Byte array must have a length of 0.\n string constant LENGTH_65_REQUIRED = \"LENGTH_65_REQUIRED\"; // Byte array must have a length of 65.\n}\n", - "2.0.0/protocol/Exchange/libs/LibFillResults.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibFillResults is\n SafeMath\n{\n struct FillResults {\n uint256 makerAssetFilledAmount; // Total amount of makerAsset(s) filled.\n uint256 takerAssetFilledAmount; // Total amount of takerAsset(s) filled.\n uint256 makerFeePaid; // Total amount of ZRX paid by maker(s) to feeRecipient(s).\n uint256 takerFeePaid; // Total amount of ZRX paid by taker to feeRecipients(s).\n }\n\n struct MatchedFillResults {\n FillResults left; // Amounts filled and fees paid of left order.\n FillResults right; // Amounts filled and fees paid of right order.\n uint256 leftMakerAssetSpreadAmount; // Spread between price of left and right order, denominated in the left order's makerAsset, paid to taker.\n }\n\n /// @dev Adds properties of both FillResults instances.\n /// Modifies the first FillResults instance specified.\n /// @param totalFillResults Fill results instance that will be added onto.\n /// @param singleFillResults Fill results instance that will be added to totalFillResults.\n function addFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)\n internal\n pure\n {\n totalFillResults.makerAssetFilledAmount = safeAdd(totalFillResults.makerAssetFilledAmount, singleFillResults.makerAssetFilledAmount);\n totalFillResults.takerAssetFilledAmount = safeAdd(totalFillResults.takerAssetFilledAmount, singleFillResults.takerAssetFilledAmount);\n totalFillResults.makerFeePaid = safeAdd(totalFillResults.makerFeePaid, singleFillResults.makerFeePaid);\n totalFillResults.takerFeePaid = safeAdd(totalFillResults.takerFeePaid, singleFillResults.takerFeePaid);\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibMath.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibMath is\n SafeMath\n{\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function safeGetPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorFloor(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function safeGetPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorCeil(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function getPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function getPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // The absolute rounding error is the difference between the rounded\n // value and the ideal value. The relative rounding error is the\n // absolute rounding error divided by the absolute value of the\n // ideal value. This is undefined when the ideal value is zero.\n //\n // The ideal value is `numerator * target / denominator`.\n // Let's call `numerator * target % denominator` the remainder.\n // The absolute error is `remainder / denominator`.\n //\n // When the ideal value is zero, we require the absolute error to\n // be zero. Fortunately, this is always the case. The ideal value is\n // zero iff `numerator == 0` and/or `target == 0`. In this case the\n // remainder and absolute error are also zero. \n if (target == 0 || numerator == 0) {\n return false;\n }\n \n // Otherwise, we want the relative rounding error to be strictly\n // less than 0.1%.\n // The relative error is `remainder / (numerator * target)`.\n // We want the relative error less than 1 / 1000:\n // remainder / (numerator * denominator) < 1 / 1000\n // or equivalently:\n // 1000 * remainder < numerator * target\n // so we have a rounding error iff:\n // 1000 * remainder >= numerator * target\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding up.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // See the comments in `isRoundingError`.\n if (target == 0 || numerator == 0) {\n // When either is zero, the ideal value and rounded value are zero\n // and there is no rounding error. (Although the relative error\n // is undefined.)\n return false;\n }\n // Compute remainder as before\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n remainder = safeSub(denominator, remainder) % denominator;\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibOrder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./LibEIP712.sol\";\n\n\ncontract LibOrder is\n LibEIP712\n{\n // Hash for the EIP712 Order Schema\n bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"Order(\",\n \"address makerAddress,\",\n \"address takerAddress,\",\n \"address feeRecipientAddress,\",\n \"address senderAddress,\",\n \"uint256 makerAssetAmount,\",\n \"uint256 takerAssetAmount,\",\n \"uint256 makerFee,\",\n \"uint256 takerFee,\",\n \"uint256 expirationTimeSeconds,\",\n \"uint256 salt,\",\n \"bytes makerAssetData,\",\n \"bytes takerAssetData\",\n \")\"\n ));\n\n // A valid order remains fillable until it is expired, fully filled, or cancelled.\n // An order's state is unaffected by external factors, like account balances.\n enum OrderStatus {\n INVALID, // Default value\n INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount\n INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount\n FILLABLE, // Order is fillable\n EXPIRED, // Order has already expired\n FULLY_FILLED, // Order is fully filled\n CANCELLED // Order has been cancelled\n }\n\n // solhint-disable max-line-length\n struct Order {\n address makerAddress; // Address that created the order. \n address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order. \n address feeRecipientAddress; // Address that will recieve fees when order is filled. \n address senderAddress; // Address that is allowed to call Exchange contract methods that affect this order. If set to 0, any address is allowed to call these methods.\n uint256 makerAssetAmount; // Amount of makerAsset being offered by maker. Must be greater than 0. \n uint256 takerAssetAmount; // Amount of takerAsset being bid on by maker. Must be greater than 0. \n uint256 makerFee; // Amount of ZRX paid to feeRecipient by maker when order is filled. If set to 0, no transfer of ZRX from maker to feeRecipient will be attempted.\n uint256 takerFee; // Amount of ZRX paid to feeRecipient by taker when order is filled. If set to 0, no transfer of ZRX from taker to feeRecipient will be attempted.\n uint256 expirationTimeSeconds; // Timestamp in seconds at which order expires. \n uint256 salt; // Arbitrary number to facilitate uniqueness of the order's hash. \n bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.\n bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.\n }\n // solhint-enable max-line-length\n\n struct OrderInfo {\n uint8 orderStatus; // Status that describes order's validity and fillability.\n bytes32 orderHash; // EIP712 hash of the order (see LibOrder.getOrderHash).\n uint256 orderTakerAssetFilledAmount; // Amount of order that has already been filled.\n }\n\n /// @dev Calculates Keccak-256 hash of the order.\n /// @param order The order structure.\n /// @return Keccak-256 EIP712 hash of the order.\n function getOrderHash(Order memory order)\n internal\n view\n returns (bytes32 orderHash)\n {\n orderHash = hashEIP712Message(hashOrder(order));\n return orderHash;\n }\n\n /// @dev Calculates EIP712 hash of the order.\n /// @param order The order structure.\n /// @return EIP712 hash of the order.\n function hashOrder(Order memory order)\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ORDER_SCHEMA_HASH;\n bytes32 makerAssetDataHash = keccak256(order.makerAssetData);\n bytes32 takerAssetDataHash = keccak256(order.takerAssetData);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ORDER_SCHEMA_HASH,\n // bytes32(order.makerAddress),\n // bytes32(order.takerAddress),\n // bytes32(order.feeRecipientAddress),\n // bytes32(order.senderAddress),\n // order.makerAssetAmount,\n // order.takerAssetAmount,\n // order.makerFee,\n // order.takerFee,\n // order.expirationTimeSeconds,\n // order.salt,\n // keccak256(order.makerAssetData),\n // keccak256(order.takerAssetData)\n // ));\n\n assembly {\n // Calculate memory addresses that will be swapped out before hashing\n let pos1 := sub(order, 32)\n let pos2 := add(order, 320)\n let pos3 := add(order, 352)\n\n // Backup\n let temp1 := mload(pos1)\n let temp2 := mload(pos2)\n let temp3 := mload(pos3)\n \n // Hash in place\n mstore(pos1, schemaHash)\n mstore(pos2, makerAssetDataHash)\n mstore(pos3, takerAssetDataHash)\n result := keccak256(pos1, 416)\n \n // Restore\n mstore(pos1, temp1)\n mstore(pos2, temp2)\n mstore(pos3, temp3)\n }\n return result;\n }\n}\n", - "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssetProxyDispatcher.sol\";\n\n\ncontract MAssetProxyDispatcher is\n IAssetProxyDispatcher\n{\n // Logs registration of new asset proxy\n event AssetProxyRegistered(\n bytes4 id, // Id of new registered AssetProxy.\n address assetProxy // Address of new registered AssetProxy.\n );\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal;\n}\n", - "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IExchangeCore.sol\";\n\n\ncontract MExchangeCore is\n IExchangeCore\n{\n // Fill event is emitted whenever an order is filled.\n event Fill(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that received fees.\n address takerAddress, // Address that filled the order.\n address senderAddress, // Address that called the Exchange contract (msg.sender).\n uint256 makerAssetFilledAmount, // Amount of makerAsset sold by maker and bought by taker. \n uint256 takerAssetFilledAmount, // Amount of takerAsset sold by taker and bought by maker.\n uint256 makerFeePaid, // Amount of ZRX paid to feeRecipient by maker.\n uint256 takerFeePaid, // Amount of ZRX paid to feeRecipient by taker.\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // Cancel event is emitted whenever an individual order is cancelled.\n event Cancel(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that would have recieved fees if order was filled. \n address senderAddress, // Address that called the Exchange contract (msg.sender).\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // CancelUpTo event is emitted whenever `cancelOrdersUpTo` is executed succesfully.\n event CancelUpTo(\n address indexed makerAddress, // Orders cancelled must have been created by this address.\n address indexed senderAddress, // Orders cancelled must have a `senderAddress` equal to this address.\n uint256 orderEpoch // Orders with specified makerAddress and senderAddress with a salt less than this value are considered cancelled.\n );\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrderInternal(LibOrder.Order memory order)\n internal;\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function updateFilledState(\n LibOrder.Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n LibFillResults.FillResults memory fillResults\n )\n internal;\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n LibOrder.Order memory order,\n bytes32 orderHash\n )\n internal;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo Status, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view;\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo\n )\n internal\n view;\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n LibOrder.Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.FillResults memory fillResults);\n\n}\n", - "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IMatchOrders.sol\";\n\n\ncontract MMatchOrders is\n IMatchOrders\n{\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure;\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n\n}\n", - "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/ISignatureValidator.sol\";\n\n\ncontract MSignatureValidator is\n ISignatureValidator\n{\n event SignatureValidatorApproval(\n address indexed signerAddress, // Address that approves or disapproves a contract to verify signatures.\n address indexed validatorAddress, // Address of signature validator contract.\n bool approved // Approval or disapproval of validator contract.\n );\n\n // Allowed signature types.\n enum SignatureType {\n Illegal, // 0x00, default value\n Invalid, // 0x01\n EIP712, // 0x02\n EthSign, // 0x03\n Wallet, // 0x04\n Validator, // 0x05\n PreSigned, // 0x06\n NSignatureTypes // 0x07, number of signature types. Always leave at end.\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/mixins/MTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"../interfaces/ITransactions.sol\";\n\n\ncontract MTransactions is\n ITransactions\n{\n // Hash for the EIP712 ZeroEx Transaction Schema\n bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"ZeroExTransaction(\",\n \"uint256 salt,\",\n \"address signerAddress,\",\n \"bytes data\",\n \")\"\n ));\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result);\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address);\n}\n", - "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IWrapperFunctions.sol\";\n\n\ncontract MWrapperFunctions is \n IWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n}\n", - "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/MintableERC20Token.sol\";\n\n\ncontract DummyERC20Token is \n Ownable,\n MintableERC20Token\n{\n string public name;\n string public symbol;\n uint256 public decimals;\n uint256 public constant MAX_MINT_AMOUNT = 10000000000000000000000;\n\n constructor (\n string _name,\n string _symbol,\n uint256 _decimals,\n uint256 _totalSupply\n )\n public\n {\n name = _name;\n symbol = _symbol;\n decimals = _decimals;\n _totalSupply = _totalSupply;\n balances[msg.sender] = _totalSupply;\n }\n\n /// @dev Sets the balance of target address\n /// @param _target Address or which balance will be updated\n /// @param _value New balance of target address\n function setBalance(address _target, uint256 _value)\n external\n onlyOwner\n {\n uint256 currBalance = balances[_target];\n if (_value < currBalance) {\n _totalSupply = safeSub(_totalSupply, safeSub(currBalance, _value));\n } else {\n _totalSupply = safeAdd(_totalSupply, safeSub(_value, currBalance));\n }\n balances[_target] = _value;\n }\n\n /// @dev Mints new tokens for sender\n /// @param _value Amount of tokens to mint\n function mint(uint256 _value)\n external\n {\n require(\n _value <= MAX_MINT_AMOUNT,\n \"VALUE_TOO_LARGE\"\n );\n\n _mint(msg.sender, _value);\n }\n}\n", - "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../tokens/ERC721Token/MintableERC721Token.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract DummyERC721Token is\n Ownable,\n MintableERC721Token\n{\n string public name;\n string public symbol;\n\n constructor (\n string _name,\n string _symbol\n )\n public\n {\n name = _name;\n symbol = _symbol;\n }\n\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function mint(address _to, uint256 _tokenId)\n external\n {\n _mint(_to, _tokenId);\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist or not called by contract owner\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function burn(address _owner, uint256 _tokenId)\n external\n onlyOwner\n {\n _burn(_owner, _tokenId);\n }\n}\n", - "2.0.0/tokens/ERC20Token/ERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC20Token.sol\";\n\n\ncontract ERC20Token is\n IERC20Token\n{\n mapping (address => uint256) internal balances;\n mapping (address => mapping (address => uint256)) internal allowed;\n\n uint256 internal _totalSupply;\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool)\n {\n require(\n balances[msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[msg.sender] -= _value;\n balances[_to] += _value;\n\n emit Transfer(\n msg.sender,\n _to,\n _value\n );\n\n return true;\n }\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowed[_from][msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n allowed[_from][msg.sender] -= _value;\n \n emit Transfer(\n _from,\n _to,\n _value\n );\n \n return true;\n }\n\n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool)\n {\n allowed[msg.sender][_spender] = _value;\n emit Approval(\n msg.sender,\n _spender,\n _value\n );\n return true;\n }\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256)\n {\n return _totalSupply;\n }\n\n /// @dev Query the balance of owner\n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n return balances[_owner];\n }\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256)\n {\n return allowed[_owner][_spender];\n }\n}\n", - "2.0.0/tokens/ERC20Token/IERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n \n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n \n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", - "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/SafeMath/SafeMath.sol\";\nimport \"./UnlimitedAllowanceERC20Token.sol\";\n\n\ncontract MintableERC20Token is \n SafeMath,\n UnlimitedAllowanceERC20Token\n{\n /// @dev Mints new tokens\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _value Amount of tokens to mint\n function _mint(address _to, uint256 _value)\n internal\n {\n balances[_to] = safeAdd(_value, balances[_to]);\n _totalSupply = safeAdd(_totalSupply, _value);\n\n emit Transfer(\n address(0),\n _to,\n _value\n );\n }\n\n /// @dev Mints new tokens\n /// @param _owner Owner of tokens that will be burned\n /// @param _value Amount of tokens to burn\n function _burn(address _owner, uint256 _value)\n internal\n {\n balances[_owner] = safeSub(balances[_owner], _value);\n _totalSupply = safeSub(_totalSupply, _value);\n\n emit Transfer(\n _owner,\n address(0),\n _value\n );\n }\n}\n", - "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/ERC20Token.sol\";\n\n\ncontract UnlimitedAllowanceERC20Token is\n ERC20Token\n{\n uint256 constant internal MAX_UINT = 2**256 - 1;\n\n /// @dev ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited allowance. See https://github.com/ethereum/EIPs/issues/717\n /// @param _from Address to transfer from.\n /// @param _to Address to transfer to.\n /// @param _value Amount to transfer.\n /// @return Success of transfer.\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n uint256 allowance = allowed[_from][msg.sender];\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowance >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n if (allowance < MAX_UINT) {\n allowed[_from][msg.sender] -= _value;\n }\n\n emit Transfer(\n _from,\n _to,\n _value\n );\n\n return true;\n }\n}\n", - "2.0.0/tokens/ERC721Token/ERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC721Token.sol\";\nimport \"./IERC721Receiver.sol\";\nimport \"../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract ERC721Token is\n IERC721Token,\n SafeMath\n{\n // Function selector for ERC721Receiver.onERC721Received\n // 0x150b7a02\n bytes4 constant internal ERC721_RECEIVED = bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"));\n\n // Mapping of tokenId => owner\n mapping (uint256 => address) internal owners;\n\n // Mapping of tokenId => approved address\n mapping (uint256 => address) internal approvals;\n\n // Mapping of owner => number of tokens owned\n mapping (address => uint256) internal balances;\n\n // Mapping of owner => operator => approved\n mapping (address => mapping (address => bool)) internal operatorApprovals;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n _data\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n \"\"\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external\n {\n address owner = ownerOf(_tokenId);\n require(\n msg.sender == owner || isApprovedForAll(owner, msg.sender),\n \"ERC721_INVALID_SENDER\"\n );\n\n approvals[_tokenId] = _approved;\n emit Approval(\n owner,\n _approved,\n _tokenId\n );\n }\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external\n {\n operatorApprovals[msg.sender][_operator] = _approved;\n emit ApprovalForAll(\n msg.sender,\n _operator,\n _approved\n );\n }\n \n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return balances[_owner];\n }\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = ownerOf(_tokenId);\n require(\n _from == owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n address spender = msg.sender;\n address approvedAddress = getApproved(_tokenId);\n require(\n spender == owner ||\n isApprovedForAll(owner, spender) ||\n approvedAddress == spender,\n \"ERC721_INVALID_SPENDER\"\n );\n\n if (approvedAddress != address(0)) {\n approvals[_tokenId] = address(0);\n }\n\n owners[_tokenId] = _to;\n balances[_from] = safeSub(balances[_from], 1);\n balances[_to] = safeAdd(balances[_to], 1);\n \n emit Transfer(\n _from,\n _to,\n _tokenId\n );\n }\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address)\n {\n address owner = owners[_tokenId];\n require(\n owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return owner;\n }\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId)\n public\n view\n returns (address)\n {\n return approvals[_tokenId];\n }\n\n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool)\n {\n return operatorApprovals[_owner][_operator];\n }\n}\n", - "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Receiver {\n\n /// @notice Handle the receipt of an NFT\n /// @dev The ERC721 smart contract calls this function on the recipient\n /// after a `transfer`. This function MAY throw to revert and reject the\n /// transfer. Return of other than the magic value MUST result in the\n /// transaction being reverted.\n /// Note: the contract address is always the message sender.\n /// @param _operator The address which called `safeTransferFrom` function\n /// @param _from The address which previously owned the token\n /// @param _tokenId The NFT identifier which is being transferred\n /// @param _data Additional data with no specified format\n /// @return `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`\n /// unless throwing\n function onERC721Received(\n address _operator,\n address _from,\n uint256 _tokenId,\n bytes _data\n )\n external\n returns (bytes4);\n}\n", - "2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Token {\n\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(\n address indexed _owner,\n address indexed _approved,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(\n address indexed _owner,\n address indexed _operator,\n bool _approved\n );\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// perator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external;\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public;\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address);\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) \n public\n view\n returns (address);\n \n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool);\n}\n", - "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./ERC721Token.sol\";\n\n\ncontract MintableERC721Token is\n ERC721Token\n{\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function _mint(address _to, uint256 _tokenId)\n internal\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == address(0),\n \"ERC721_OWNER_ALREADY_EXISTS\"\n );\n\n owners[_tokenId] = _to;\n balances[_to] = safeAdd(balances[_to], 1);\n\n emit Transfer(\n address(0),\n _to,\n _tokenId\n );\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function _burn(address _owner, uint256 _tokenId)\n internal\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == _owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n owners[_tokenId] = address(0);\n balances[_owner] = safeSub(balances[_owner], 1);\n\n emit Transfer(\n _owner,\n address(0),\n _tokenId\n );\n }\n}\n", - "2.0.0/tokens/EtherToken/IEtherToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/IERC20Token.sol\";\n\n\ncontract IEtherToken is\n IERC20Token\n{\n function deposit()\n public\n payable;\n \n function withdraw(uint256 amount)\n public;\n}\n", - "2.0.0/utils/LibBytes/LibBytes.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\nlibrary LibBytes {\n\n using LibBytes for bytes;\n\n /// @dev Gets the memory address for a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of byte array. This\n /// points to the header of the byte array which contains\n /// the length.\n function rawAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := input\n }\n return memoryAddress;\n }\n \n /// @dev Gets the memory address for the contents of a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of the contents of the byte array.\n function contentAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := add(input, 32)\n }\n return memoryAddress;\n }\n\n /// @dev Copies `length` bytes from memory location `source` to `dest`.\n /// @param dest memory address to copy bytes to.\n /// @param source memory address to copy bytes from.\n /// @param length number of bytes to copy.\n function memCopy(\n uint256 dest,\n uint256 source,\n uint256 length\n )\n internal\n pure\n {\n if (length < 32) {\n // Handle a partial word by reading destination and masking\n // off the bits we are interested in.\n // This correctly handles overlap, zero lengths and source == dest\n assembly {\n let mask := sub(exp(256, sub(32, length)), 1)\n let s := and(mload(source), not(mask))\n let d := and(mload(dest), mask)\n mstore(dest, or(s, d))\n }\n } else {\n // Skip the O(length) loop when source == dest.\n if (source == dest) {\n return;\n }\n\n // For large copies we copy whole words at a time. The final\n // word is aligned to the end of the range (instead of after the\n // previous) to handle partial words. So a copy will look like this:\n //\n // ####\n // ####\n // ####\n // ####\n //\n // We handle overlap in the source and destination range by\n // changing the copying direction. This prevents us from\n // overwriting parts of source that we still need to copy.\n //\n // This correctly handles source == dest\n //\n if (source > dest) {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because it\n // is easier to compare with in the loop, and these\n // are also the addresses we need for copying the\n // last bytes.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the last 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the last bytes in\n // source already due to overlap.\n let last := mload(sEnd)\n\n // Copy whole words front to back\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} lt(source, sEnd) {} {\n mstore(dest, mload(source))\n source := add(source, 32)\n dest := add(dest, 32)\n }\n \n // Write the last 32 bytes\n mstore(dEnd, last)\n }\n } else {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because those\n // are the starting points when copying a word at the end.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the first 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the first bytes in\n // source already due to overlap.\n let first := mload(source)\n\n // Copy whole words back to front\n // We use a signed comparisson here to allow dEnd to become\n // negative (happens when source and dest < 32). Valid\n // addresses in local memory will never be larger than\n // 2**255, so they can be safely re-interpreted as signed.\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} slt(dest, dEnd) {} {\n mstore(dEnd, mload(sEnd))\n sEnd := sub(sEnd, 32)\n dEnd := sub(dEnd, 32)\n }\n \n // Write the first 32 bytes\n mstore(dest, first)\n }\n }\n }\n }\n\n /// @dev Returns a slices from a byte array.\n /// @param b The byte array to take a slice from.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n function slice(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure and copy contents\n result = new bytes(to - from);\n memCopy(\n result.contentAddress(),\n b.contentAddress() + from,\n result.length\n );\n return result;\n }\n \n /// @dev Returns a slice from a byte array without preserving the input.\n /// @param b The byte array to take a slice from. Will be destroyed in the process.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n /// @dev When `from == 0`, the original array will match the slice. In other cases its state will be corrupted.\n function sliceDestructive(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure around [from, to) in-place.\n assembly {\n result := add(b, from)\n mstore(result, sub(to, from))\n }\n return result;\n }\n\n /// @dev Pops the last byte off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The byte that was popped off.\n function popLastByte(bytes memory b)\n internal\n pure\n returns (bytes1 result)\n {\n require(\n b.length > 0,\n \"GREATER_THAN_ZERO_LENGTH_REQUIRED\"\n );\n\n // Store last byte.\n result = b[b.length - 1];\n\n assembly {\n // Decrement length of byte array.\n let newLen := sub(mload(b), 1)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Pops the last 20 bytes off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The 20 byte address that was popped off.\n function popLast20Bytes(bytes memory b)\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= 20,\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Store last 20 bytes.\n result = readAddress(b, b.length - 20);\n\n assembly {\n // Subtract 20 from byte array length.\n let newLen := sub(mload(b), 20)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Tests equality of two byte arrays.\n /// @param lhs First byte array to compare.\n /// @param rhs Second byte array to compare.\n /// @return True if arrays are the same. False otherwise.\n function equals(\n bytes memory lhs,\n bytes memory rhs\n )\n internal\n pure\n returns (bool equal)\n {\n // Keccak gas cost is 30 + numWords * 6. This is a cheap way to compare.\n // We early exit on unequal lengths, but keccak would also correctly\n // handle this.\n return lhs.length == rhs.length && keccak256(lhs) == keccak256(rhs);\n }\n\n /// @dev Reads an address from a position in a byte array.\n /// @param b Byte array containing an address.\n /// @param index Index in byte array of address.\n /// @return address from byte array.\n function readAddress(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Read address from array memory\n assembly {\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 20-byte mask to obtain address\n result := and(mload(add(b, index)), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n return result;\n }\n\n /// @dev Writes an address into a specific position in a byte array.\n /// @param b Byte array to insert address into.\n /// @param index Index in byte array of address.\n /// @param input Address to put into byte array.\n function writeAddress(\n bytes memory b,\n uint256 index,\n address input\n )\n internal\n pure\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Store address into array memory\n assembly {\n // The address occupies 20 bytes and mstore stores 32 bytes.\n // First fetch the 32-byte word where we'll be storing the address, then\n // apply a mask so we have only the bytes in the word that the address will not occupy.\n // Then combine these bytes with the address and store the 32 bytes back to memory with mstore.\n\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 12-byte mask to obtain extra bytes occupying word of memory where we'll store the address\n let neighbors := and(\n mload(add(b, index)),\n 0xffffffffffffffffffffffff0000000000000000000000000000000000000000\n )\n \n // Make sure input address is clean.\n // (Solidity does not guarantee this)\n input := and(input, 0xffffffffffffffffffffffffffffffffffffffff)\n\n // Store the neighbors and address into memory\n mstore(add(b, index), xor(input, neighbors))\n }\n }\n\n /// @dev Reads a bytes32 value from a position in a byte array.\n /// @param b Byte array containing a bytes32 value.\n /// @param index Index in byte array of bytes32 value.\n /// @return bytes32 value from byte array.\n function readBytes32(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes32 result)\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n result := mload(add(b, index))\n }\n return result;\n }\n\n /// @dev Writes a bytes32 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes32 to put into byte array.\n function writeBytes32(\n bytes memory b,\n uint256 index,\n bytes32 input\n )\n internal\n pure\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n mstore(add(b, index), input)\n }\n }\n\n /// @dev Reads a uint256 value from a position in a byte array.\n /// @param b Byte array containing a uint256 value.\n /// @param index Index in byte array of uint256 value.\n /// @return uint256 value from byte array.\n function readUint256(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (uint256 result)\n {\n result = uint256(readBytes32(b, index));\n return result;\n }\n\n /// @dev Writes a uint256 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input uint256 to put into byte array.\n function writeUint256(\n bytes memory b,\n uint256 index,\n uint256 input\n )\n internal\n pure\n {\n writeBytes32(b, index, bytes32(input));\n }\n\n /// @dev Reads an unpadded bytes4 value from a position in a byte array.\n /// @param b Byte array containing a bytes4 value.\n /// @param index Index in byte array of bytes4 value.\n /// @return bytes4 value from byte array.\n function readBytes4(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes4 result)\n {\n require(\n b.length >= index + 4,\n \"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 32 byte length field\n index += 32;\n\n // Read the bytes4 from array memory\n assembly {\n result := mload(add(b, index))\n // Solidity does not require us to clean the trailing bytes.\n // We do it anyway\n result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)\n }\n return result;\n }\n\n /// @dev Reads nested bytes from a specific position.\n /// @dev NOTE: the returned value overlaps with the input value.\n /// Both should be treated as immutable.\n /// @param b Byte array containing nested bytes.\n /// @param index Index of nested bytes.\n /// @return result Nested bytes.\n function readBytesWithLength(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes memory result)\n {\n // Read length of nested bytes\n uint256 nestedBytesLength = readUint256(b, index);\n index += 32;\n\n // Assert length of is valid, given\n // length of nested bytes\n require(\n b.length >= index + nestedBytesLength,\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n \n // Return a pointer to the byte array as it exists inside `b`\n assembly {\n result := add(b, index)\n }\n return result;\n }\n\n /// @dev Inserts bytes at a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes to insert.\n function writeBytesWithLength(\n bytes memory b,\n uint256 index,\n bytes memory input\n )\n internal\n pure\n {\n // Assert length of is valid, given\n // length of input\n require(\n b.length >= index + 32 + input.length, // 32 bytes to store length\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n\n // Copy into \n memCopy(\n b.contentAddress() + index,\n input.rawAddress(), // includes length of \n input.length + 32 // +32 bytes to store length\n );\n }\n\n /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length.\n /// @param dest Byte array that will be overwritten with source bytes.\n /// @param source Byte array to copy onto dest bytes.\n function deepCopyBytes(\n bytes memory dest,\n bytes memory source\n )\n internal\n pure\n {\n uint256 sourceLen = source.length;\n // Dest length must be >= source length, or some bytes would not be copied.\n require(\n dest.length >= sourceLen,\n \"GREATER_OR_EQUAL_TO_SOURCE_BYTES_LENGTH_REQUIRED\"\n );\n memCopy(\n dest.contentAddress(),\n source.contentAddress(),\n sourceLen\n );\n }\n}\n", - "2.0.0/utils/Ownable/IOwnable.sol": "pragma solidity 0.4.24;\n\n\ncontract IOwnable {\n\n function transferOwnership(address newOwner)\n public;\n}\n", - "2.0.0/utils/Ownable/Ownable.sol": "pragma solidity 0.4.24;\n\nimport \"./IOwnable.sol\";\n\n\ncontract Ownable is\n IOwnable\n{\n address public owner;\n\n constructor ()\n public\n {\n owner = msg.sender;\n }\n\n modifier onlyOwner() {\n require(\n msg.sender == owner,\n \"ONLY_CONTRACT_OWNER\"\n );\n _;\n }\n\n function transferOwnership(address newOwner)\n public\n onlyOwner\n {\n if (newOwner != address(0)) {\n owner = newOwner;\n }\n }\n}\n", - "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ReentrancyGuard {\n\n // Locked state of mutex\n bool private locked = false;\n\n /// @dev Functions with this modifer cannot be reentered. The mutex will be locked\n /// before function execution and unlocked after.\n modifier nonReentrant() {\n // Ensure mutex is unlocked\n require(\n !locked,\n \"REENTRANCY_ILLEGAL\"\n );\n\n // Lock mutex before function call\n locked = true;\n\n // Perform function call\n _;\n\n // Unlock mutex after function call\n locked = false;\n }\n}\n", - "2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n\n function safeMul(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(\n c / a == b,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function safeDiv(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a / b;\n return c;\n }\n\n function safeSub(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n require(\n b <= a,\n \"UINT256_UNDERFLOW\"\n );\n return a - b;\n }\n\n function safeAdd(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a + b;\n require(\n c >= a,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function max64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n\n function max256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n}\n" - }, - "sourceTreeHashHex": "0xc1a03719bb35a579c3db5156280faf7fea3944100a90a5b2abe1840a4bcfea20", - "compiler": { - "name": "solc", - "version": "soljson-v0.4.24+commit.e67f0147.js", - "settings": { - "optimizer": { - "enabled": true, - "runs": 1000000 - }, - "outputSelection": { - "*": { - "*": [ - "abi", - "evm.bytecode.object", - "evm.bytecode.sourceMap", - "evm.deployedBytecode.object", - "evm.deployedBytecode.sourceMap" - ] - } - } - } - }, - "networks": { - "3": { - "address": "0xf5fa5b5fed2727a0e44ac67f6772e97977aa358b", - "links": {}, - "constructorArgs": "[[\"0x9df8137872ac09a8fee71d0da5c7539923fb9bf0\",\"0xcf34d44db312d188789f43a63d11cf2bebb4da15\",\"0x73fd50f2a6beac9cdac9fe87ef68a18edc415831\"],[\"0xb1408f4c245a23c31b98d2c626777d4c0d766caa\",\"0xe654aac058bfbf9f83fcaee7793311dd82f6ddb4\"],\"1\",\"0\"]" - }, - "42": { - "address": "0x2c824d2882baa668e0d5202b1e7f2922278703f8", - "links": {}, - "constructorArgs": "[[\"0x9df8137872ac09a8fee71d0da5c7539923fb9bf0\",\"0xcf34d44db312d188789f43a63d11cf2bebb4da15\",\"0x73fd50f2a6beac9cdac9fe87ef68a18edc415831\"],[\"0xf1ec01d6236d3cd881a0bf0130ea25fe4234003e\",\"0x2a9127c745688a165106c11cd4d647d2220af821\"],\"1\",\"0\"]" - }, - "50": { - "address": "0x34d402f14d58e001d8efbe6585051bf9706aa064", - "links": {}, - "constructorArgs": "[[\"0x9df8137872ac09a8fee71d0da5c7539923fb9bf0\",\"0xcf34d44db312d188789f43a63d11cf2bebb4da15\",\"0x73fd50f2a6beac9cdac9fe87ef68a18edc415831\"],[\"0x1dc4c1cefef38a777b15aa20260a54e584b16c48\",\"0x1d7022f5b17d2f8b695918fb48fa1089c9f85401\"],\"1\",\"0\"]" - } - } -} diff --git a/packages/migrations/artifacts/2.0.0-beta-testnet/DummyERC20Token.json b/packages/migrations/artifacts/2.0.0-beta-testnet/DummyERC20Token.json deleted file mode 100644 index e0c5eb5dd..000000000 --- a/packages/migrations/artifacts/2.0.0-beta-testnet/DummyERC20Token.json +++ /dev/null @@ -1,641 +0,0 @@ -{ - "schemaVersion": "2.0.0", - "contractName": "DummyERC20Token", - "compilerOutput": { - "abi": [ - { - "constant": true, - "inputs": [], - "name": "name", - "outputs": [ - { - "name": "", - "type": "string" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "_spender", - "type": "address" - }, - { - "name": "_value", - "type": 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"type": "address" - } - ], - "name": "balanceOf", - "outputs": [ - { - "name": "", - "type": "uint256" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [], - "name": "owner", - "outputs": [ - { - "name": "", - "type": "address" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [], - "name": "symbol", - "outputs": [ - { - "name": "", - "type": "string" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "_value", - "type": "uint256" - } - ], - "name": "mint", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "_to", - "type": "address" - }, - { - "name": "_value", - "type": "uint256" - } - ], - "name": "transfer", - "outputs": [ - { - "name": "", - "type": "bool" - } 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0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x42E JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x403 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x42E JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x411 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP DUP2 JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP1 DUP6 MSTORE SWAP1 DUP4 MSTORE DUP2 DUP5 KECCAK256 DUP7 SWAP1 SSTORE DUP2 MLOAD DUP7 DUP2 MSTORE SWAP2 MLOAD SWAP4 SWAP5 SWAP1 SWAP4 SWAP1 SWAP3 PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 SWAP3 DUP3 SWAP1 SUB ADD SWAP1 LOG3 POP PUSH1 0x1 SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x3 SLOAD SWAP1 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP5 MSTORE DUP3 MSTORE DUP1 DUP4 KECCAK256 SLOAD SWAP4 DUP4 MSTORE PUSH1 0x1 SWAP1 SWAP2 MSTORE DUP2 KECCAK256 SLOAD SWAP1 SWAP2 SWAP1 DUP4 GT ISZERO PUSH2 0x55C JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1A PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x45524332305F494E53554646494349454E545F42414C414E4345000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST DUP3 DUP2 LT ISZERO PUSH2 0x5CB JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1C PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x45524332305F494E53554646494349454E545F414C4C4F57414E434500000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP4 DUP2 ADD LT ISZERO PUSH2 0x661 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP6 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD DUP8 ADD SWAP1 SSTORE SWAP2 DUP8 AND DUP2 MSTORE KECCAK256 DUP1 SLOAD DUP5 SWAP1 SUB SWAP1 SSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 LT ISZERO PUSH2 0x6FB JUMPI PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP6 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP5 MSTORE SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 DUP1 SLOAD DUP5 SWAP1 SUB SWAP1 SSTORE JUMPDEST DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF DUP6 PUSH1 0x40 MLOAD DUP1 DUP3 DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 POP PUSH1 0x1 SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x6 SLOAD DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD SWAP1 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x5 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x42E JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x403 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x42E JUMP JUMPDEST PUSH10 0x21E19E0C9BAB2400000 DUP2 GT ISZERO PUSH2 0x8A7 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0xF PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x56414C55455F544F4F5F4C415247450000000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH2 0x8B1 CALLER DUP3 PUSH2 0xC86 JUMP JUMPDEST POP JUMP JUMPDEST CALLER PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 SLOAD DUP3 GT ISZERO PUSH2 0x932 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1A PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x45524332305F494E53554646494349454E545F42414C414E4345000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP3 DUP2 ADD LT ISZERO PUSH2 0x9C8 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 DUP1 SLOAD DUP8 SWAP1 SUB SWAP1 SSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP1 DUP5 MSTORE SWAP3 DUP2 SWAP1 KECCAK256 DUP1 SLOAD DUP8 ADD SWAP1 SSTORE DUP1 MLOAD DUP7 DUP2 MSTORE SWAP1 MLOAD SWAP3 SWAP4 SWAP3 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP3 SWAP2 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP PUSH1 0x1 SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP2 DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP4 SWAP1 SWAP5 AND DUP3 MSTORE SWAP2 SWAP1 SWAP2 MSTORE KECCAK256 SLOAD SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xB02 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP1 DUP3 LT ISZERO PUSH2 0xB4E JUMPI PUSH2 0xB46 PUSH1 0x3 SLOAD PUSH2 0xB41 DUP4 DUP6 PUSH2 0xD3F JUMP JUMPDEST PUSH2 0xD3F JUMP JUMPDEST PUSH1 0x3 SSTORE PUSH2 0xB67 JUMP JUMPDEST PUSH2 0xB63 PUSH1 0x3 SLOAD PUSH2 0xB5E DUP5 DUP5 PUSH2 0xD3F JUMP JUMPDEST PUSH2 0xDB6 JUMP JUMPDEST PUSH1 0x3 SSTORE JUMPDEST POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SSTORE JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xC17 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0x8B1 JUMPI PUSH1 0x0 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 SWAP1 SWAP2 AND OR SWAP1 SSTORE POP JUMP JUMPDEST PUSH10 0x21E19E0C9BAB2400000 DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH2 0xCB7 SWAP1 DUP3 SWAP1 PUSH2 0xDB6 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SSTORE PUSH1 0x3 SLOAD PUSH2 0xCEA SWAP1 DUP3 PUSH2 0xDB6 JUMP JUMPDEST PUSH1 0x3 SSTORE PUSH1 0x40 DUP1 MLOAD DUP3 DUP2 MSTORE SWAP1 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND SWAP2 PUSH1 0x0 SWAP2 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP2 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 LOG3 POP POP JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 GT ISZERO PUSH2 0xDB0 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F554E444552464C4F57000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP SWAP1 SUB SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 ADD DUP4 DUP2 LT ISZERO PUSH2 0xE2A JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST SWAP4 SWAP3 POP POP POP JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 0xbf ISZERO 0xf8 0xb1 JUMPI DIV PUSH27 0x3248E2C7BF50AD7DD5D360D0BB36A780E3BAD9229FC4BAD5D20029 ", - "sourceMap": 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- "opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0xCF JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x6FDDE03 DUP2 EQ PUSH2 0xD4 JUMPI DUP1 PUSH4 0x95EA7B3 EQ PUSH2 0x15E JUMPI DUP1 PUSH4 0x18160DDD EQ PUSH2 0x1A3 JUMPI DUP1 PUSH4 0x23B872DD EQ PUSH2 0x1CA JUMPI DUP1 PUSH4 0x313CE567 EQ PUSH2 0x201 JUMPI DUP1 PUSH4 0x70A08231 EQ PUSH2 0x216 JUMPI DUP1 PUSH4 0x8DA5CB5B EQ PUSH2 0x244 JUMPI DUP1 PUSH4 0x95D89B41 EQ PUSH2 0x282 JUMPI DUP1 PUSH4 0xA0712D68 EQ PUSH2 0x297 JUMPI DUP1 PUSH4 0xA9059CBB EQ PUSH2 0x2B1 JUMPI DUP1 PUSH4 0xDD62ED3E EQ PUSH2 0x2E2 JUMPI DUP1 PUSH4 0xE30443BC EQ PUSH2 0x316 JUMPI DUP1 PUSH4 0xF2FDE38B EQ PUSH2 0x347 JUMPI DUP1 PUSH4 0xFA9B7018 EQ PUSH2 0x375 JUMPI JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xE0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xE9 PUSH2 0x38A JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 ADD SWAP1 DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x123 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x10B JUMP JUMPDEST POP POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x150 JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x16A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x18F PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x436 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1AF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1B8 PUSH2 0x4A9 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1D6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x18F PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x4AF JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x20D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1B8 PUSH2 0x76B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x222 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1B8 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x771 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x250 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x259 PUSH2 0x799 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x28E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xE9 PUSH2 0x7B5 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2A3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2AF PUSH1 0x4 CALLDATALOAD PUSH2 0x82E JUMP JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2BD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x18F PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x8B4 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2EE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1B8 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0xA43 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x322 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2AF PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0xA7B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x353 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2AF PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0xB91 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x381 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1B8 PUSH2 0xC78 JUMP JUMPDEST PUSH1 0x4 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x42E JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x403 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x42E JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x411 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP DUP2 JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP1 DUP6 MSTORE SWAP1 DUP4 MSTORE DUP2 DUP5 KECCAK256 DUP7 SWAP1 SSTORE DUP2 MLOAD DUP7 DUP2 MSTORE SWAP2 MLOAD SWAP4 SWAP5 SWAP1 SWAP4 SWAP1 SWAP3 PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 SWAP3 DUP3 SWAP1 SUB ADD SWAP1 LOG3 POP PUSH1 0x1 SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x3 SLOAD SWAP1 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP5 MSTORE DUP3 MSTORE DUP1 DUP4 KECCAK256 SLOAD SWAP4 DUP4 MSTORE PUSH1 0x1 SWAP1 SWAP2 MSTORE DUP2 KECCAK256 SLOAD SWAP1 SWAP2 SWAP1 DUP4 GT ISZERO PUSH2 0x55C JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1A PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x45524332305F494E53554646494349454E545F42414C414E4345000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST DUP3 DUP2 LT ISZERO PUSH2 0x5CB JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1C PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x45524332305F494E53554646494349454E545F414C4C4F57414E434500000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP4 DUP2 ADD LT ISZERO PUSH2 0x661 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP6 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD DUP8 ADD SWAP1 SSTORE SWAP2 DUP8 AND DUP2 MSTORE KECCAK256 DUP1 SLOAD DUP5 SWAP1 SUB SWAP1 SSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 LT ISZERO PUSH2 0x6FB JUMPI PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP6 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP5 MSTORE SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 DUP1 SLOAD DUP5 SWAP1 SUB SWAP1 SSTORE JUMPDEST DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF DUP6 PUSH1 0x40 MLOAD DUP1 DUP3 DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 POP PUSH1 0x1 SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x6 SLOAD DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD SWAP1 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x5 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x42E JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x403 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x42E JUMP JUMPDEST PUSH10 0x21E19E0C9BAB2400000 DUP2 GT ISZERO PUSH2 0x8A7 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0xF PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x56414C55455F544F4F5F4C415247450000000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH2 0x8B1 CALLER DUP3 PUSH2 0xC86 JUMP JUMPDEST POP JUMP JUMPDEST CALLER PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 SLOAD DUP3 GT ISZERO PUSH2 0x932 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1A PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x45524332305F494E53554646494349454E545F42414C414E4345000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP3 DUP2 ADD LT ISZERO PUSH2 0x9C8 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 DUP1 SLOAD DUP8 SWAP1 SUB SWAP1 SSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP1 DUP5 MSTORE SWAP3 DUP2 SWAP1 KECCAK256 DUP1 SLOAD DUP8 ADD SWAP1 SSTORE DUP1 MLOAD DUP7 DUP2 MSTORE SWAP1 MLOAD SWAP3 SWAP4 SWAP3 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP3 SWAP2 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP PUSH1 0x1 SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP2 DUP3 AND PUSH1 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- } - } - }, - "sources": { - "2.0.0/extensions/Forwarder/Forwarder.sol": { - "id": 0 - }, - "2.0.0/extensions/Forwarder/MixinAssets.sol": { - "id": 1 - }, - "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": { - "id": 2 - }, - "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": { - "id": 3 - }, - "2.0.0/extensions/Forwarder/MixinWeth.sol": { - "id": 4 - }, - "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": { - "id": 5 - }, - "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": { - "id": 6 - }, - "2.0.0/extensions/Forwarder/libs/LibConstants.sol": { - "id": 7 - }, - "2.0.0/extensions/Forwarder/mixins/MAssets.sol": { - "id": 8 - }, - "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": { - "id": 9 - }, - "2.0.0/extensions/Forwarder/mixins/MWeth.sol": { - "id": 10 - }, - "2.0.0/extensions/OrderValidator/OrderValidator.sol": { - "id": 11 - }, - "2.0.0/multisig/MultiSigWallet.sol": { - "id": 12 - }, - "2.0.0/multisig/MultiSigWalletWithTimeLock.sol": { - "id": 13 - }, - "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": { - "id": 14 - }, - "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": { - "id": 15 - }, - "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": { - "id": 16 - }, - "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": { - "id": 17 - }, - "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": { - "id": 18 - }, - "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": { - "id": 19 - }, - "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": { - "id": 20 - }, - "2.0.0/protocol/Exchange/Exchange.sol": { - "id": 21 - }, - "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": { - "id": 22 - }, - "2.0.0/protocol/Exchange/MixinExchangeCore.sol": { - "id": 23 - }, - "2.0.0/protocol/Exchange/MixinMatchOrders.sol": { - "id": 24 - }, - "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": { - "id": 25 - }, - "2.0.0/protocol/Exchange/MixinTransactions.sol": { - "id": 26 - }, - "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": { - "id": 27 - }, - "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": { - "id": 28 - }, - "2.0.0/protocol/Exchange/interfaces/IExchange.sol": { - "id": 29 - }, - "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": { - "id": 30 - }, - "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": { - "id": 31 - }, - "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": { - "id": 32 - }, - "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": { - "id": 33 - }, - "2.0.0/protocol/Exchange/interfaces/IValidator.sol": { - "id": 34 - }, - "2.0.0/protocol/Exchange/interfaces/IWallet.sol": { - "id": 35 - }, - "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": { - "id": 36 - }, - "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": { - "id": 37 - }, - "2.0.0/protocol/Exchange/libs/LibConstants.sol": { - "id": 38 - }, - "2.0.0/protocol/Exchange/libs/LibEIP712.sol": { - "id": 39 - }, - "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": { - "id": 40 - }, - "2.0.0/protocol/Exchange/libs/LibFillResults.sol": { - "id": 41 - }, - "2.0.0/protocol/Exchange/libs/LibMath.sol": { - "id": 42 - }, - "2.0.0/protocol/Exchange/libs/LibOrder.sol": { - "id": 43 - }, - "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": { - "id": 44 - }, - "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": { - "id": 45 - }, - "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": { - "id": 46 - }, - "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": { - "id": 47 - }, - "2.0.0/protocol/Exchange/mixins/MTransactions.sol": { - "id": 48 - }, - "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": { - "id": 49 - }, - "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": { - "id": 50 - }, - "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": { - "id": 51 - }, - "2.0.0/tokens/ERC20Token/ERC20Token.sol": { - "id": 52 - }, - "2.0.0/tokens/ERC20Token/IERC20Token.sol": { - "id": 53 - }, - "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": { - "id": 54 - }, - "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": { - "id": 55 - }, - "2.0.0/tokens/ERC721Token/ERC721Token.sol": { - "id": 56 - }, - "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": { - "id": 57 - }, - "2.0.0/tokens/ERC721Token/IERC721Token.sol": { - "id": 58 - }, - "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": { - "id": 59 - }, - "2.0.0/tokens/EtherToken/IEtherToken.sol": { - "id": 60 - }, - "2.0.0/utils/LibBytes/LibBytes.sol": { - "id": 61 - }, - "2.0.0/utils/Ownable/IOwnable.sol": { - "id": 62 - }, - "2.0.0/utils/Ownable/Ownable.sol": { - "id": 63 - }, - "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": { - "id": 64 - }, - "2.0.0/utils/SafeMath/SafeMath.sol": { - "id": 65 - } - }, - "sourceCodes": { - "2.0.0/extensions/Forwarder/Forwarder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinWeth.sol\";\nimport \"./MixinForwarderCore.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinAssets.sol\";\nimport \"./MixinExchangeWrapper.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Forwarder is\n LibConstants,\n MixinWeth,\n MixinAssets,\n MixinExchangeWrapper,\n MixinForwarderCore\n{\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n LibConstants(\n _exchange,\n _zrxAssetData,\n _wethAssetData\n )\n MixinForwarderCore()\n {}\n}\n", - "2.0.0/extensions/Forwarder/MixinAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MAssets.sol\";\n\n\ncontract MixinAssets is\n Ownable,\n LibConstants,\n MAssets\n{\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256(\"transfer(address,uint256)\"));\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external\n onlyOwner\n {\n transferAssetToSender(assetData, amount);\n }\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n bytes4 proxyId = assetData.readBytes4(0);\n\n if (proxyId == ERC20_DATA_ID) {\n transferERC20Token(assetData, amount);\n } else if (proxyId == ERC721_DATA_ID) {\n transferERC721Token(assetData, amount);\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n }\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n address token = assetData.readAddress(16);\n\n // Transfer tokens.\n // We do a raw call so we can check the success separate\n // from the return data.\n bool success = token.call(abi.encodeWithSelector(\n ERC20_TRANSFER_SELECTOR,\n msg.sender,\n amount\n ));\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n \n // Check return data.\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // value that evaluates to true.\n assembly {\n if returndatasize {\n success := 0\n if eq(returndatasize, 32) {\n // First 64 bytes of memory are reserved scratch space\n returndatacopy(0, 0, 32)\n success := mload(0)\n }\n }\n }\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n }\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n require(\n amount == 1,\n \"INVALID_AMOUNT\"\n );\n // Decode asset data.\n address token = assetData.readAddress(16);\n uint256 tokenId = assetData.readUint256(36);\n\n // Perform transfer.\n IERC721Token(token).transferFrom(\n address(this),\n msg.sender,\n tokenId\n );\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"../../protocol/Exchange/libs/LibAbiEncoder.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinExchangeWrapper is\n LibAbiEncoder,\n LibFillResults,\n LibMath,\n LibConstants,\n MExchangeWrapper\n{\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n address exchange = address(EXCHANGE);\n\n // Call `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := call(\n gas, // forward all gas\n exchange, // call address of Exchange contract\n 0, // transfer 0 wei\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of WETH to sell\n uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of WETH\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount;\n if (makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n\n require(\n makerAssetFilledAmount >= makerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n // Do nothing if zrxBuyAmount == 0\n if (zrxBuyAmount == 0) {\n return totalFillResults;\n }\n\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n uint256 zrxPurchased = 0;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // All of these are ZRX/WETH, so we can drop the respective assetData from calldata.\n orders[i].makerAssetData = zrxAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of ZRX to buy.\n uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased);\n\n // Convert the remaining amount of ZRX to buy into remaining amount\n // of WETH to sell, assuming entire amount can be sold in the current order.\n uint256 remainingWethSellAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees \n remainingZrxBuyAmount\n );\n\n // Attempt to sell the remaining amount of WETH.\n FillResults memory singleFillResult = fillOrderNoThrow(\n orders[i],\n safeAdd(remainingWethSellAmount, 1), // we add 1 wei to the fill amount to make up for rounding errors\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker.\n addFillResults(totalFillResults, singleFillResult);\n zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid);\n\n // Stop execution if the entire amount of ZRX has been bought.\n if (zrxPurchased >= zrxBuyAmount) {\n break;\n }\n }\n\n require(\n zrxPurchased >= zrxBuyAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\nimport \"./mixins/MAssets.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"./interfaces/IForwarderCore.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinForwarderCore is\n LibFillResults,\n LibMath,\n LibConstants,\n MWeth,\n MAssets,\n MExchangeWrapper,\n IForwarderCore\n{\n using LibBytes for bytes;\n\n /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf.\n constructor ()\n public\n {\n address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID);\n require(\n proxyAddress != address(0),\n \"UNREGISTERED_ASSET_PROXY\"\n );\n ETHER_TOKEN.approve(proxyAddress, MAX_UINT);\n ZRX_TOKEN.approve(proxyAddress, MAX_UINT);\n }\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 wethSellAmount;\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // Calculate amount of WETH that won't be spent on ETH fees.\n wethSellAmount = getPartialAmountFloor(\n PERCENTAGE_DENOMINATOR,\n safeAdd(PERCENTAGE_DENOMINATOR, feePercentage),\n msg.value\n );\n // Market sell available WETH.\n // ZRX fees are paid with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // 5% of WETH is reserved for filling feeOrders and paying feeRecipient.\n wethSellAmount = getPartialAmountFloor(\n MAX_WETH_FILL_PERCENTAGE,\n PERCENTAGE_DENOMINATOR,\n msg.value\n );\n // Market sell 95% of WETH.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // If the makerAsset is ZRX, it is not necessary to pay fees out of this\n // contracts's ZRX balance because fees are factored into the price of the order.\n orderFillResults = marketBuyExactZrxWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // Attemp to purchase desired amount of makerAsset.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketBuyExactAmountWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\n\n\ncontract MixinWeth is\n LibMath,\n LibConstants,\n MWeth\n{\n /// @dev Default payabale function, this allows us to withdraw WETH\n function ()\n public\n payable\n {\n require(\n msg.sender == address(ETHER_TOKEN),\n \"DEFAULT_FUNCTION_WETH_CONTRACT_ONLY\"\n );\n }\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal\n {\n require(\n msg.value > 0,\n \"INVALID_MSG_VALUE\"\n );\n ETHER_TOKEN.deposit.value(msg.value)();\n }\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal\n {\n // Ensure feePercentage is less than 5%.\n require(\n feePercentage <= MAX_FEE_PERCENTAGE,\n \"FEE_PERCENTAGE_TOO_LARGE\"\n );\n\n // Ensure that no extra WETH owned by this contract has been sold.\n uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx);\n require(\n wethSold <= msg.value,\n \"OVERSOLD_WETH\"\n );\n\n // Calculate amount of WETH that hasn't been sold.\n uint256 wethRemaining = safeSub(msg.value, wethSold);\n\n // Calculate ETH fee to pay to feeRecipient.\n uint256 ethFee = getPartialAmountFloor(\n feePercentage,\n PERCENTAGE_DENOMINATOR,\n wethSoldExcludingFeeOrders\n );\n\n // Ensure fee is less than amount of WETH remaining.\n require(\n ethFee <= wethRemaining,\n \"INSUFFICIENT_ETH_REMAINING\"\n );\n \n // Do nothing if no WETH remaining\n if (wethRemaining > 0) {\n // Convert remaining WETH to ETH\n ETHER_TOKEN.withdraw(wethRemaining);\n\n // Pay ETH to feeRecipient\n if (ethFee > 0) {\n feeRecipient.transfer(ethFee);\n }\n\n // Refund remaining ETH to msg.sender.\n uint256 ethRefund = safeSub(wethRemaining, ethFee);\n if (ethRefund > 0) {\n msg.sender.transfer(ethRefund);\n }\n }\n }\n}\n", - "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssets {\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external;\n}\n", - "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract IForwarderCore {\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n}\n", - "2.0.0/extensions/Forwarder/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/LibBytes/LibBytes.sol\";\nimport \"../../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../../tokens/EtherToken/IEtherToken.sol\";\nimport \"../../../tokens/ERC20Token/IERC20Token.sol\";\n\n\ncontract LibConstants {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n uint256 constant internal MAX_UINT = 2**256 - 1;\n uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; \n uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5%\n uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95%\n \n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n IEtherToken internal ETHER_TOKEN;\n IERC20Token internal ZRX_TOKEN;\n bytes internal ZRX_ASSET_DATA;\n bytes internal WETH_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n WETH_ASSET_DATA = _wethAssetData;\n\n address etherToken = _wethAssetData.readAddress(16);\n address zrxToken = _zrxAssetData.readAddress(16);\n ETHER_TOKEN = IEtherToken(etherToken);\n ZRX_TOKEN = IERC20Token(zrxToken);\n }\n}\n", - "2.0.0/extensions/Forwarder/mixins/MAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssets.sol\";\n\n\ncontract MAssets is\n IAssets\n{\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n}\n", - "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract MExchangeWrapper {\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n}\n", - "2.0.0/extensions/Forwarder/mixins/MWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract MWeth {\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal;\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal;\n}\n", - "2.0.0/extensions/OrderValidator/OrderValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract OrderValidator {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n struct TraderInfo {\n uint256 makerBalance; // Maker's balance of makerAsset\n uint256 makerAllowance; // Maker's allowance to corresponding AssetProxy\n uint256 takerBalance; // Taker's balance of takerAsset\n uint256 takerAllowance; // Taker's allowance to corresponding AssetProxy\n uint256 makerZrxBalance; // Maker's balance of ZRX\n uint256 makerZrxAllowance; // Maker's allowance of ZRX to ERC20Proxy\n uint256 takerZrxBalance; // Taker's balance of ZRX\n uint256 takerZrxAllowance; // Taker's allowance of ZRX to ERC20Proxy\n }\n\n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n bytes internal ZRX_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (address _exchange, bytes memory _zrxAssetData)\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n }\n\n /// @dev Fetches information for order and maker/taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return OrderInfo and TraderInfo instances for given order.\n function getOrderAndTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo, TraderInfo memory traderInfo)\n {\n orderInfo = EXCHANGE.getOrderInfo(order);\n traderInfo = getTraderInfo(order, takerAddress);\n return (orderInfo, traderInfo);\n }\n\n /// @dev Fetches information for all passed in orders and the makers/takers of each order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Arrays of OrderInfo and TraderInfo instances that correspond to each order.\n function getOrdersAndTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (LibOrder.OrderInfo[] memory ordersInfo, TraderInfo[] memory tradersInfo)\n {\n ordersInfo = EXCHANGE.getOrdersInfo(orders);\n tradersInfo = getTradersInfo(orders, takerAddresses);\n return (ordersInfo, tradersInfo);\n }\n\n /// @dev Fetches balance and allowances for maker and taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return Balances and allowances of maker and taker of order.\n function getTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (TraderInfo memory traderInfo)\n {\n (traderInfo.makerBalance, traderInfo.makerAllowance) = getBalanceAndAllowance(order.makerAddress, order.makerAssetData);\n (traderInfo.takerBalance, traderInfo.takerAllowance) = getBalanceAndAllowance(takerAddress, order.takerAssetData);\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n (traderInfo.makerZrxBalance, traderInfo.makerZrxAllowance) = getBalanceAndAllowance(order.makerAddress, zrxAssetData);\n (traderInfo.takerZrxBalance, traderInfo.takerZrxAllowance) = getBalanceAndAllowance(takerAddress, zrxAssetData);\n return traderInfo;\n }\n\n /// @dev Fetches balances and allowances of maker and taker for each provided order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Array of balances and allowances for maker and taker of each order.\n function getTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (TraderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n TraderInfo[] memory tradersInfo = new TraderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n tradersInfo[i] = getTraderInfo(orders[i], takerAddresses[i]);\n }\n return tradersInfo;\n }\n\n /// @dev Fetches token balances and allowances of an address to given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Encoded data that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balance of asset and allowance set to given proxy of asset.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalanceAndAllowance(address target, bytes memory assetData)\n public\n view\n returns (uint256 balance, uint256 allowance)\n {\n bytes4 assetProxyId = assetData.readBytes4(0);\n address token = assetData.readAddress(16);\n address assetProxy = EXCHANGE.getAssetProxy(assetProxyId);\n\n if (assetProxyId == ERC20_DATA_ID) {\n // Query balance\n balance = IERC20Token(token).balanceOf(target);\n\n // Query allowance\n allowance = IERC20Token(token).allowance(target, assetProxy);\n } else if (assetProxyId == ERC721_DATA_ID) {\n uint256 tokenId = assetData.readUint256(36);\n\n // Query owner of tokenId\n address owner = getERC721TokenOwner(token, tokenId);\n\n // Set balance to 1 if tokenId is owned by target\n balance = target == owner ? 1 : 0;\n\n // Check if ERC721Proxy is approved to spend tokenId\n bool isApproved = IERC721Token(token).isApprovedForAll(target, assetProxy) || IERC721Token(token).getApproved(tokenId) == assetProxy;\n \n // Set alowance to 1 if ERC721Proxy is approved to spend tokenId\n allowance = isApproved ? 1 : 0;\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n return (balance, allowance);\n }\n\n /// @dev Fetches token balances and allowances of an address for each given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Array of encoded byte arrays that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balances and allowances of assets.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalancesAndAllowances(address target, bytes[] memory assetData)\n public\n view\n returns (uint256[] memory, uint256[] memory)\n {\n uint256 length = assetData.length;\n uint256[] memory balances = new uint256[](length);\n uint256[] memory allowances = new uint256[](length);\n for (uint256 i = 0; i != length; i++) {\n (balances[i], allowances[i]) = getBalanceAndAllowance(target, assetData[i]);\n }\n return (balances, allowances);\n }\n\n /// @dev Calls `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token.\n /// @param token Address of ERC721 token.\n /// @param tokenId The identifier for the specific NFT.\n /// @return Owner of tokenId or null address if unowned.\n function getERC721TokenOwner(address token, uint256 tokenId)\n public\n view\n returns (address owner)\n {\n assembly {\n // load free memory pointer\n let cdStart := mload(64)\n\n // bytes4(keccak256(ownerOf(uint256))) = 0x6352211e\n mstore(cdStart, 0x6352211e00000000000000000000000000000000000000000000000000000000)\n mstore(add(cdStart, 4), tokenId)\n\n // staticcall `ownerOf(tokenId)`\n // `ownerOf` will revert if tokenId is not owned\n let success := staticcall(\n gas, // forward all gas\n token, // call token contract\n cdStart, // start of calldata\n 36, // length of input is 36 bytes\n cdStart, // write output over input\n 32 // size of output is 32 bytes\n )\n\n // Success implies that tokenId is owned\n // Copy owner from return data if successful\n if success {\n owner := mload(cdStart)\n } \n }\n\n // Owner initialized to address(0), no need to modify if call is unsuccessful\n return owner;\n }\n}\n", - "2.0.0/multisig/MultiSigWallet.sol": "// solhint-disable\npragma solidity ^0.4.15;\n\n\n/// @title Multisignature wallet - Allows multiple parties to agree on transactions before execution.\n/// @author Stefan George - \ncontract MultiSigWallet {\n\n /*\n * Events\n */\n event Confirmation(address indexed sender, uint indexed transactionId);\n event Revocation(address indexed sender, uint indexed transactionId);\n event Submission(uint indexed transactionId);\n event Execution(uint indexed transactionId);\n event ExecutionFailure(uint indexed transactionId);\n event Deposit(address indexed sender, uint value);\n event OwnerAddition(address indexed owner);\n event OwnerRemoval(address indexed owner);\n event RequirementChange(uint required);\n\n /*\n * Constants\n */\n uint constant public MAX_OWNER_COUNT = 50;\n\n /*\n * Storage\n */\n mapping (uint => Transaction) public transactions;\n mapping (uint => mapping (address => bool)) public confirmations;\n mapping (address => bool) public isOwner;\n address[] public owners;\n uint public required;\n uint public transactionCount;\n\n struct Transaction {\n address destination;\n uint value;\n bytes data;\n bool executed;\n }\n\n /*\n * Modifiers\n */\n modifier onlyWallet() {\n require(msg.sender == address(this));\n _;\n }\n\n modifier ownerDoesNotExist(address owner) {\n require(!isOwner[owner]);\n _;\n }\n\n modifier ownerExists(address owner) {\n require(isOwner[owner]);\n _;\n }\n\n modifier transactionExists(uint transactionId) {\n require(transactions[transactionId].destination != 0);\n _;\n }\n\n modifier confirmed(uint transactionId, address owner) {\n require(confirmations[transactionId][owner]);\n _;\n }\n\n modifier notConfirmed(uint transactionId, address owner) {\n require(!confirmations[transactionId][owner]);\n _;\n }\n\n modifier notExecuted(uint transactionId) {\n require(!transactions[transactionId].executed);\n _;\n }\n\n modifier notNull(address _address) {\n require(_address != 0);\n _;\n }\n\n modifier validRequirement(uint ownerCount, uint _required) {\n require(ownerCount <= MAX_OWNER_COUNT\n && _required <= ownerCount\n && _required != 0\n && ownerCount != 0);\n _;\n }\n\n /// @dev Fallback function allows to deposit ether.\n function()\n payable\n {\n if (msg.value > 0)\n Deposit(msg.sender, msg.value);\n }\n\n /*\n * Public functions\n */\n /// @dev Contract constructor sets initial owners and required number of confirmations.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n function MultiSigWallet(address[] _owners, uint _required)\n public\n validRequirement(_owners.length, _required)\n {\n for (uint i=0; i<_owners.length; i++) {\n require(!isOwner[_owners[i]] && _owners[i] != 0);\n isOwner[_owners[i]] = true;\n }\n owners = _owners;\n required = _required;\n }\n\n /// @dev Allows to add a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of new owner.\n function addOwner(address owner)\n public\n onlyWallet\n ownerDoesNotExist(owner)\n notNull(owner)\n validRequirement(owners.length + 1, required)\n {\n isOwner[owner] = true;\n owners.push(owner);\n OwnerAddition(owner);\n }\n\n /// @dev Allows to remove an owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner.\n function removeOwner(address owner)\n public\n onlyWallet\n ownerExists(owner)\n {\n isOwner[owner] = false;\n for (uint i=0; i owners.length)\n changeRequirement(owners.length);\n OwnerRemoval(owner);\n }\n\n /// @dev Allows to replace an owner with a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner to be replaced.\n /// @param newOwner Address of new owner.\n function replaceOwner(address owner, address newOwner)\n public\n onlyWallet\n ownerExists(owner)\n ownerDoesNotExist(newOwner)\n {\n for (uint i=0; i\n// solhint-disable not-rely-on-time\ncontract MultiSigWalletWithTimeLock is\n MultiSigWallet\n{\n event ConfirmationTimeSet(uint256 indexed transactionId, uint256 confirmationTime);\n event TimeLockChange(uint256 secondsTimeLocked);\n\n uint256 public secondsTimeLocked;\n\n mapping (uint256 => uint256) public confirmationTimes;\n\n modifier notFullyConfirmed(uint256 transactionId) {\n require(\n !isConfirmed(transactionId),\n \"TX_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier fullyConfirmed(uint256 transactionId) {\n require(\n isConfirmed(transactionId),\n \"TX_NOT_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier pastTimeLock(uint256 transactionId) {\n require(\n block.timestamp >= confirmationTimes[transactionId] + secondsTimeLocked,\n \"TIME_LOCK_INCOMPLETE\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations, and time lock.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] _owners,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWallet(_owners, _required)\n {\n secondsTimeLocked = _secondsTimeLocked;\n }\n\n /// @dev Changes the duration of the time lock for transactions.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n function changeTimeLock(uint256 _secondsTimeLocked)\n public\n onlyWallet\n {\n secondsTimeLocked = _secondsTimeLocked;\n emit TimeLockChange(_secondsTimeLocked);\n }\n\n /// @dev Allows an owner to confirm a transaction.\n /// @param transactionId Transaction ID.\n function confirmTransaction(uint256 transactionId)\n public\n ownerExists(msg.sender)\n transactionExists(transactionId)\n notConfirmed(transactionId, msg.sender)\n notFullyConfirmed(transactionId)\n {\n confirmations[transactionId][msg.sender] = true;\n emit Confirmation(msg.sender, transactionId);\n if (isConfirmed(transactionId)) {\n setConfirmationTime(transactionId, block.timestamp);\n }\n }\n\n /// @dev Allows anyone to execute a confirmed transaction.\n /// @param transactionId Transaction ID.\n function executeTransaction(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n pastTimeLock(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n\n /// @dev Sets the time of when a submission first passed.\n function setConfirmationTime(uint256 transactionId, uint256 confirmationTime)\n internal\n {\n confirmationTimes[transactionId] = confirmationTime;\n emit ConfirmationTimeSet(transactionId, confirmationTime);\n }\n}\n", - "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC20Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n \n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 1 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n\n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. amount |\n\n /////// Read token address from calldata ///////\n // * The token address is stored in `assetData`.\n //\n // * The \"offset to assetData\" is stored at offset 4 in the calldata (table 1).\n // [assetDataOffsetFromParams = calldataload(4)]\n //\n // * Notes that the \"offset to assetData\" is relative to the \"Params\" area of calldata;\n // add 4 bytes to account for the length of the \"Header\" area (table 1).\n // [assetDataOffsetFromHeader = assetDataOffsetFromParams + 4]\n //\n // * The \"token address\" is offset 32+4=36 bytes into \"assetData\" (tables 1 & 2).\n // [tokenOffset = assetDataOffsetFromHeader + 36 = calldataload(4) + 4 + 36]\n let token := calldataload(add(calldataload(4), 40))\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from`, `to` and `amount` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 96)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output over input\n 32 // output size should be 32 bytes\n )\n\n /////// Check return data. ///////\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // nonzero 32 bytes value.\n // So the transfer succeeded if the call succeeded and either\n // returned nothing, or returned a non-zero 32 byte value. \n success := and(success, or(\n iszero(returndatasize),\n and(\n eq(returndatasize, 32),\n gt(mload(0), 0)\n )\n ))\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", - "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC721Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 2 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n // | | 36 | | 2. tokenId |\n \n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. tokenId |\n\n // There exists only 1 of each token.\n // require(amount == 1, \"INVALID_AMOUNT\")\n if sub(calldataload(100), 1) {\n // Revert with `Error(\"INVALID_AMOUNT\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from` and `to` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 64)\n\n // Copy `tokenId` field from our own calldata to the new calldata.\n let assetDataOffset := calldataload(4)\n calldatacopy(68, add(assetDataOffset, 72), 32)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let token := calldataload(add(assetDataOffset, 40))\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output to null\n 0 // output size is 0 bytes\n )\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", - "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAuthorizable.sol\";\n\n\ncontract MixinAuthorizable is\n Ownable,\n MAuthorizable\n{\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized {\n require(\n authorized[msg.sender],\n \"SENDER_NOT_AUTHORIZED\"\n );\n _;\n }\n\n mapping (address => bool) public authorized;\n address[] public authorities;\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n !authorized[target],\n \"TARGET_ALREADY_AUTHORIZED\"\n );\n\n authorized[target] = true;\n authorities.push(target);\n emit AuthorizedAddressAdded(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n\n delete authorized[target];\n for (uint256 i = 0; i < authorities.length; i++) {\n if (authorities[i] == target) {\n authorities[i] = authorities[authorities.length - 1];\n authorities.length -= 1;\n break;\n }\n }\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n require(\n index < authorities.length,\n \"INDEX_OUT_OF_BOUNDS\"\n );\n require(\n authorities[index] == target,\n \"AUTHORIZED_ADDRESS_MISMATCH\"\n );\n\n delete authorized[target];\n authorities[index] = authorities[authorities.length - 1];\n authorities.length -= 1;\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory)\n {\n return authorities;\n }\n}\n", - "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IAuthorizable.sol\";\n\n\ncontract IAssetProxy is\n IAuthorizable\n{\n /// @dev Transfers assets. Either succeeds or throws.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n function transferFrom(\n bytes assetData,\n address from,\n address to,\n uint256 amount\n )\n external;\n \n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4);\n}\n", - "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/Ownable/IOwnable.sol\";\n\n\ncontract IAuthorizable is\n IOwnable\n{\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external;\n \n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory);\n}\n", - "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAuthorizable.sol\";\n\n\ncontract MAuthorizable is\n IAuthorizable\n{\n // Event logged when a new address is authorized.\n event AuthorizedAddressAdded(\n address indexed target,\n address indexed caller\n );\n\n // Event logged when a currently authorized address is unauthorized.\n event AuthorizedAddressRemoved(\n address indexed target,\n address indexed caller\n );\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized { revert(); _; }\n}\n", - "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../multisig/MultiSigWalletWithTimeLock.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract AssetProxyOwner is\n MultiSigWalletWithTimeLock\n{\n using LibBytes for bytes;\n\n event AssetProxyRegistration(address assetProxyContract, bool isRegistered);\n\n // Mapping of AssetProxy contract address =>\n // if this contract is allowed to call the AssetProxy's `removeAuthorizedAddressAtIndex` method without a time lock.\n mapping (address => bool) public isAssetProxyRegistered;\n\n bytes4 constant internal REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR = bytes4(keccak256(\"removeAuthorizedAddressAtIndex(address,uint256)\"));\n\n /// @dev Function will revert if the transaction does not call `removeAuthorizedAddressAtIndex`\n /// on an approved AssetProxy contract.\n modifier validRemoveAuthorizedAddressAtIndexTx(uint256 transactionId) {\n Transaction storage txn = transactions[transactionId];\n require(\n isAssetProxyRegistered[txn.destination],\n \"UNREGISTERED_ASSET_PROXY\"\n );\n require(\n txn.data.readBytes4(0) == REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR,\n \"INVALID_FUNCTION_SELECTOR\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations,\n /// time lock, and list of AssetProxy addresses.\n /// @param _owners List of initial owners.\n /// @param _assetProxyContracts Array of AssetProxy contract addresses.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] memory _owners,\n address[] memory _assetProxyContracts,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWalletWithTimeLock(_owners, _required, _secondsTimeLocked)\n {\n for (uint256 i = 0; i < _assetProxyContracts.length; i++) {\n address assetProxy = _assetProxyContracts[i];\n require(\n assetProxy != address(0),\n \"INVALID_ASSET_PROXY\"\n );\n isAssetProxyRegistered[assetProxy] = true;\n }\n }\n\n /// @dev Registers or deregisters an AssetProxy to be able to execute\n /// `removeAuthorizedAddressAtIndex` without a timelock.\n /// @param assetProxyContract Address of AssetProxy contract.\n /// @param isRegistered Status of approval for AssetProxy contract.\n function registerAssetProxy(address assetProxyContract, bool isRegistered)\n public\n onlyWallet\n notNull(assetProxyContract)\n {\n isAssetProxyRegistered[assetProxyContract] = isRegistered;\n emit AssetProxyRegistration(assetProxyContract, isRegistered);\n }\n\n /// @dev Allows execution of `removeAuthorizedAddressAtIndex` without time lock.\n /// @param transactionId Transaction ID.\n function executeRemoveAuthorizedAddressAtIndex(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n validRemoveAuthorizedAddressAtIndexTx(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n}\n", - "2.0.0/protocol/Exchange/Exchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinExchangeCore.sol\";\nimport \"./MixinSignatureValidator.sol\";\nimport \"./MixinWrapperFunctions.sol\";\nimport \"./MixinAssetProxyDispatcher.sol\";\nimport \"./MixinTransactions.sol\";\nimport \"./MixinMatchOrders.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Exchange is\n MixinExchangeCore,\n MixinMatchOrders,\n MixinSignatureValidator,\n MixinTransactions,\n MixinAssetProxyDispatcher,\n MixinWrapperFunctions\n{\n string constant public VERSION = \"2.0.1-alpha\";\n\n // Mixins are instantiated in the order they are inherited\n constructor (bytes memory _zrxAssetData)\n public\n LibConstants(_zrxAssetData) // @TODO: Remove when we deploy.\n MixinExchangeCore()\n MixinMatchOrders()\n MixinSignatureValidator()\n MixinTransactions()\n MixinAssetProxyDispatcher()\n MixinWrapperFunctions()\n {}\n}\n", - "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\nimport \"../AssetProxy/interfaces/IAssetProxy.sol\";\n\n\ncontract MixinAssetProxyDispatcher is\n Ownable,\n MAssetProxyDispatcher\n{\n // Mapping from Asset Proxy Id's to their respective Asset Proxy\n mapping (bytes4 => IAssetProxy) public assetProxies;\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external\n onlyOwner\n {\n IAssetProxy assetProxyContract = IAssetProxy(assetProxy);\n\n // Ensure that no asset proxy exists with current id.\n bytes4 assetProxyId = assetProxyContract.getProxyId();\n address currentAssetProxy = assetProxies[assetProxyId];\n require(\n currentAssetProxy == address(0),\n \"ASSET_PROXY_ALREADY_EXISTS\"\n );\n\n // Add asset proxy and log registration.\n assetProxies[assetProxyId] = assetProxyContract;\n emit AssetProxyRegistered(\n assetProxyId,\n assetProxy\n );\n }\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address)\n {\n return assetProxies[assetProxyId];\n }\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal\n {\n // Do nothing if no amount should be transferred.\n if (amount > 0 && from != to) {\n // Ensure assetData length is valid\n require(\n assetData.length > 3,\n \"LENGTH_GREATER_THAN_3_REQUIRED\"\n );\n \n // Lookup assetProxy. We do not use `LibBytes.readBytes4` for gas efficiency reasons.\n bytes4 assetProxyId;\n assembly {\n assetProxyId := and(mload(\n add(assetData, 32)),\n 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000\n )\n }\n address assetProxy = assetProxies[assetProxyId];\n\n // Ensure that assetProxy exists\n require(\n assetProxy != address(0),\n \"ASSET_PROXY_DOES_NOT_EXIST\"\n );\n \n // We construct calldata for the `assetProxy.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n\n assembly {\n /////// Setup State ///////\n // `cdStart` is the start of the calldata for `assetProxy.transferFrom` (equal to free memory ptr).\n let cdStart := mload(64)\n // `dataAreaLength` is the total number of words needed to store `assetData`\n // As-per the ABI spec, this value is padded up to the nearest multiple of 32,\n // and includes 32-bytes for length.\n let dataAreaLength := and(add(mload(assetData), 63), 0xFFFFFFFFFFFE0)\n // `cdEnd` is the end of the calldata for `assetProxy.transferFrom`.\n let cdEnd := add(cdStart, add(132, dataAreaLength))\n\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFromSelector`.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes.\n // Notes:\n // 1. The offset to `assetData` is the length of the Params Area (128 bytes).\n // 2. A 20-byte mask is applied to addresses to zero-out the unused bytes.\n mstore(add(cdStart, 4), 128)\n mstore(add(cdStart, 36), and(from, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 68), and(to, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 100), amount)\n \n /////// Setup Data Area ///////\n // This area holds `assetData`.\n let dataArea := add(cdStart, 132)\n // solhint-disable-next-line no-empty-blocks\n for {} lt(dataArea, cdEnd) {} {\n mstore(dataArea, mload(assetData))\n dataArea := add(dataArea, 32)\n assetData := add(assetData, 32)\n }\n\n /////// Call `assetProxy.transferFrom` using the constructed calldata ///////\n let success := call(\n gas, // forward all gas\n assetProxy, // call address of asset proxy\n 0, // don't send any ETH\n cdStart, // pointer to start of input\n sub(cdEnd, cdStart), // length of input \n cdStart, // write output over input\n 512 // reserve 512 bytes for output\n )\n if iszero(success) {\n revert(cdStart, returndatasize())\n }\n }\n }\n }\n}\n", - "2.0.0/protocol/Exchange/MixinExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinExchangeCore is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n LibOrder,\n LibFillResults,\n MAssetProxyDispatcher,\n MExchangeCore,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of orderHash => amount of takerAsset already bought by maker\n mapping (bytes32 => uint256) public filled;\n\n // Mapping of orderHash => cancelled\n mapping (bytes32 => bool) public cancelled;\n\n // Mapping of makerAddress => senderAddress => lowest salt an order can have in order to be fillable\n // Orders with specified senderAddress and with a salt less than their epoch are considered cancelled\n mapping (address => mapping (address => uint256)) public orderEpoch;\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external\n nonReentrant\n {\n address makerAddress = getCurrentContextAddress();\n // If this function is called via `executeTransaction`, we only update the orderEpoch for the makerAddress/msg.sender combination.\n // This allows external filter contracts to add rules to how orders are cancelled via this function.\n address senderAddress = makerAddress == msg.sender ? address(0) : msg.sender;\n\n // orderEpoch is initialized to 0, so to cancelUpTo we need salt + 1\n uint256 newOrderEpoch = targetOrderEpoch + 1; \n uint256 oldOrderEpoch = orderEpoch[makerAddress][senderAddress];\n\n // Ensure orderEpoch is monotonically increasing\n require(\n newOrderEpoch > oldOrderEpoch, \n \"INVALID_NEW_ORDER_EPOCH\"\n );\n\n // Update orderEpoch\n orderEpoch[makerAddress][senderAddress] = newOrderEpoch;\n emit CancelUpTo(\n makerAddress,\n senderAddress,\n newOrderEpoch\n );\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrder(Order memory order)\n public\n nonReentrant\n {\n cancelOrderInternal(order);\n }\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(Order memory order)\n public\n view\n returns (OrderInfo memory orderInfo)\n {\n // Compute the order hash\n orderInfo.orderHash = getOrderHash(order);\n\n // Fetch filled amount\n orderInfo.orderTakerAssetFilledAmount = filled[orderInfo.orderHash];\n\n // If order.makerAssetAmount is zero, we also reject the order.\n // While the Exchange contract handles them correctly, they create\n // edge cases in the supporting infrastructure because they have\n // an 'infinite' price when computed by a simple division.\n if (order.makerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_MAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // If order.takerAssetAmount is zero, then the order will always\n // be considered filled because 0 == takerAssetAmount == orderTakerAssetFilledAmount\n // Instead of distinguishing between unfilled and filled zero taker\n // amount orders, we choose not to support them.\n if (order.takerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_TAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // Validate order availability\n if (orderInfo.orderTakerAssetFilledAmount >= order.takerAssetAmount) {\n orderInfo.orderStatus = uint8(OrderStatus.FULLY_FILLED);\n return orderInfo;\n }\n\n // Validate order expiration\n // solhint-disable-next-line not-rely-on-time\n if (block.timestamp >= order.expirationTimeSeconds) {\n orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);\n return orderInfo;\n }\n\n // Check if order has been cancelled\n if (cancelled[orderInfo.orderHash]) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n if (orderEpoch[order.makerAddress][order.senderAddress] > order.salt) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n\n // All other statuses are ruled out: order is Fillable\n orderInfo.orderStatus = uint8(OrderStatus.FILLABLE);\n return orderInfo;\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // Fetch order info\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Assert that the order is fillable by taker\n assertFillableOrder(\n order,\n orderInfo,\n takerAddress,\n signature\n );\n \n // Get amount of takerAsset to fill\n uint256 remainingTakerAssetAmount = safeSub(order.takerAssetAmount, orderInfo.orderTakerAssetFilledAmount);\n uint256 takerAssetFilledAmount = min256(takerAssetFillAmount, remainingTakerAssetAmount);\n\n // Validate context\n assertValidFill(\n order,\n orderInfo,\n takerAssetFillAmount,\n takerAssetFilledAmount,\n fillResults.makerAssetFilledAmount\n );\n\n // Compute proportional fill amounts\n fillResults = calculateFillResults(order, takerAssetFilledAmount);\n\n // Update exchange internal state\n updateFilledState(\n order,\n takerAddress,\n orderInfo.orderHash,\n orderInfo.orderTakerAssetFilledAmount,\n fillResults\n );\n \n // Settle order\n settleOrder(\n order,\n takerAddress,\n fillResults\n );\n\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrderInternal(Order memory order)\n internal\n {\n // Fetch current order status\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Validate context\n assertValidCancel(order, orderInfo);\n\n // Perform cancel\n updateCancelledState(order, orderInfo.orderHash);\n }\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n function updateFilledState(\n Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n FillResults memory fillResults\n )\n internal\n {\n // Update state\n filled[orderHash] = safeAdd(orderTakerAssetFilledAmount, fillResults.takerAssetFilledAmount);\n\n // Log order\n emit Fill(\n order.makerAddress,\n order.feeRecipientAddress,\n takerAddress,\n msg.sender,\n fillResults.makerAssetFilledAmount,\n fillResults.takerAssetFilledAmount,\n fillResults.makerFeePaid,\n fillResults.takerFeePaid,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n Order memory order,\n bytes32 orderHash\n )\n internal\n {\n // Perform cancel\n cancelled[orderHash] = true;\n\n // Log cancel\n emit Cancel(\n order.makerAddress,\n order.feeRecipientAddress,\n msg.sender,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n Order memory order,\n OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view\n {\n // An order can only be filled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n \n // Validate sender is allowed to fill this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n \n // Validate taker is allowed to fill this order\n if (order.takerAddress != address(0)) {\n require(\n order.takerAddress == takerAddress,\n \"INVALID_TAKER\"\n );\n }\n \n // Validate Maker signature (check only if first time seen)\n if (orderInfo.orderTakerAssetFilledAmount == 0) {\n require(\n isValidSignature(\n orderInfo.orderHash,\n order.makerAddress,\n signature\n ),\n \"INVALID_ORDER_SIGNATURE\"\n );\n }\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n Order memory order,\n OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount, // TODO: use FillResults\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view\n {\n // Revert if fill amount is invalid\n // TODO: reconsider necessity for v2.1\n require(\n takerAssetFillAmount != 0,\n \"INVALID_TAKER_AMOUNT\"\n );\n \n // Make sure taker does not pay more than desired amount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n takerAssetFilledAmount <= takerAssetFillAmount,\n \"TAKER_OVERPAY\"\n );\n \n // Make sure order is not overfilled\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeAdd(orderInfo.orderTakerAssetFilledAmount, takerAssetFilledAmount) <= order.takerAssetAmount,\n \"ORDER_OVERFILL\"\n );\n \n // Make sure order is filled at acceptable price.\n // The order has an implied price from the makers perspective:\n // order price = order.makerAssetAmount / order.takerAssetAmount\n // i.e. the number of makerAsset maker is paying per takerAsset. The\n // maker is guaranteed to get this price or a better (lower) one. The\n // actual price maker is getting in this fill is:\n // fill price = makerAssetFilledAmount / takerAssetFilledAmount\n // We need `fill price <= order price` for the fill to be fair to maker.\n // This amounts to:\n // makerAssetFilledAmount order.makerAssetAmount\n // ------------------------ <= -----------------------\n // takerAssetFilledAmount order.takerAssetAmount\n // or, equivalently:\n // makerAssetFilledAmount * order.takerAssetAmount <=\n // order.makerAssetAmount * takerAssetFilledAmount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeMul(makerAssetFilledAmount, order.takerAssetAmount)\n <= \n safeMul(order.makerAssetAmount, takerAssetFilledAmount),\n \"INVALID_FILL_PRICE\"\n );\n }\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n Order memory order,\n OrderInfo memory orderInfo\n )\n internal\n view\n {\n // Ensure order is valid\n // An order can only be cancelled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Validate sender is allowed to cancel this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate transaction signed by maker\n address makerAddress = getCurrentContextAddress();\n require(\n order.makerAddress == makerAddress,\n \"INVALID_MAKER\"\n );\n }\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (FillResults memory fillResults)\n {\n // Compute proportional transfer amounts\n fillResults.takerAssetFilledAmount = takerAssetFilledAmount;\n fillResults.makerAssetFilledAmount = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n );\n fillResults.makerFeePaid = safeGetPartialAmountFloor(\n fillResults.makerAssetFilledAmount,\n order.makerAssetAmount,\n order.makerFee\n );\n fillResults.takerFeePaid = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.takerFee\n );\n\n return fillResults;\n }\n\n /// @dev Settles an order by transferring assets between counterparties.\n /// @param order Order struct containing order specifications.\n /// @param takerAddress Address selling takerAsset and buying makerAsset.\n /// @param fillResults Amounts to be filled and fees paid by maker and taker.\n function settleOrder(\n LibOrder.Order memory order,\n address takerAddress,\n LibFillResults.FillResults memory fillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n dispatchTransferFrom(\n order.makerAssetData,\n order.makerAddress,\n takerAddress,\n fillResults.makerAssetFilledAmount\n );\n dispatchTransferFrom(\n order.takerAssetData,\n takerAddress,\n order.makerAddress,\n fillResults.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n zrxAssetData,\n order.makerAddress,\n order.feeRecipientAddress,\n fillResults.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n order.feeRecipientAddress,\n fillResults.takerFeePaid\n );\n }\n}\n", - "2.0.0/protocol/Exchange/MixinMatchOrders.sol": "/*\n Copyright 2018 ZeroEx Intl.\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n http://www.apache.org/licenses/LICENSE-2.0\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MMatchOrders.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinMatchOrders is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n MAssetProxyDispatcher,\n MExchangeCore,\n MMatchOrders,\n MTransactions\n{\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n nonReentrant\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We assume that rightOrder.takerAssetData == leftOrder.makerAssetData and rightOrder.makerAssetData == leftOrder.takerAssetData.\n // If this assumption isn't true, the match will fail at signature validation.\n rightOrder.makerAssetData = leftOrder.takerAssetData;\n rightOrder.takerAssetData = leftOrder.makerAssetData;\n\n // Get left & right order info\n LibOrder.OrderInfo memory leftOrderInfo = getOrderInfo(leftOrder);\n LibOrder.OrderInfo memory rightOrderInfo = getOrderInfo(rightOrder);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Either our context is valid or we revert\n assertFillableOrder(\n leftOrder,\n leftOrderInfo,\n takerAddress,\n leftSignature\n );\n assertFillableOrder(\n rightOrder,\n rightOrderInfo,\n takerAddress,\n rightSignature\n );\n assertValidMatch(leftOrder, rightOrder);\n\n // Compute proportional fill amounts\n matchedFillResults = calculateMatchedFillResults(\n leftOrder,\n rightOrder,\n leftOrderInfo.orderTakerAssetFilledAmount,\n rightOrderInfo.orderTakerAssetFilledAmount\n );\n\n // Validate fill contexts\n assertValidFill(\n leftOrder,\n leftOrderInfo,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.makerAssetFilledAmount\n );\n assertValidFill(\n rightOrder,\n rightOrderInfo,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n \n // Update exchange state\n updateFilledState(\n leftOrder,\n takerAddress,\n leftOrderInfo.orderHash,\n leftOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.left\n );\n updateFilledState(\n rightOrder,\n takerAddress,\n rightOrderInfo.orderHash,\n rightOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.right\n );\n\n // Settle matched orders. Succeeds or throws.\n settleMatchedOrders(\n leftOrder,\n rightOrder,\n takerAddress,\n matchedFillResults\n );\n\n return matchedFillResults;\n }\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure\n {\n // Make sure there is a profitable spread.\n // There is a profitable spread iff the cost per unit bought (OrderA.MakerAmount/OrderA.TakerAmount) for each order is greater\n // than the profit per unit sold of the matched order (OrderB.TakerAmount/OrderB.MakerAmount).\n // This is satisfied by the equations below:\n // / >= / \n // AND\n // / >= / \n // These equations can be combined to get the following:\n require(\n safeMul(leftOrder.makerAssetAmount, rightOrder.makerAssetAmount) >=\n safeMul(leftOrder.takerAssetAmount, rightOrder.takerAssetAmount),\n \"NEGATIVE_SPREAD_REQUIRED\"\n );\n }\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // Derive maker asset amounts for left & right orders, given store taker assert amounts\n uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);\n uint256 leftMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n leftTakerAssetAmountRemaining\n );\n uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);\n uint256 rightMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n rightOrder.makerAssetAmount,\n rightOrder.takerAssetAmount,\n rightTakerAssetAmountRemaining\n );\n\n // Calculate fill results for maker and taker assets: at least one order will be fully filled.\n // The maximum amount the left maker can buy is `leftTakerAssetAmountRemaining`\n // The maximum amount the right maker can sell is `rightMakerAssetAmountRemaining`\n // We have two distinct cases for calculating the fill results:\n // Case 1.\n // If the left maker can buy more than the right maker can sell, then only the right order is fully filled.\n // If the left maker can buy exactly what the right maker can sell, then both orders are fully filled.\n // Case 2.\n // If the left maker cannot buy more than the right maker can sell, then only the left order is fully filled.\n if (leftTakerAssetAmountRemaining >= rightMakerAssetAmountRemaining) {\n // Case 1: Right order is fully filled\n matchedFillResults.right.makerAssetFilledAmount = rightMakerAssetAmountRemaining;\n matchedFillResults.right.takerAssetFilledAmount = rightTakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = matchedFillResults.right.makerAssetFilledAmount;\n // Round down to ensure the maker's exchange rate does not exceed the price specified by the order. \n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.left.makerAssetFilledAmount = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n matchedFillResults.left.takerAssetFilledAmount\n );\n } else {\n // Case 2: Left order is fully filled\n matchedFillResults.left.makerAssetFilledAmount = leftMakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = leftTakerAssetAmountRemaining;\n matchedFillResults.right.makerAssetFilledAmount = matchedFillResults.left.takerAssetFilledAmount;\n // Round up to ensure the maker's exchange rate does not exceed the price specified by the order.\n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.right.takerAssetFilledAmount = safeGetPartialAmountCeil(\n rightOrder.takerAssetAmount,\n rightOrder.makerAssetAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n }\n\n // Calculate amount given to taker\n matchedFillResults.leftMakerAssetSpreadAmount = safeSub(\n matchedFillResults.left.makerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount\n );\n\n // Compute fees for left order\n matchedFillResults.left.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.makerAssetFilledAmount,\n leftOrder.makerAssetAmount,\n leftOrder.makerFee\n );\n matchedFillResults.left.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.takerAssetFilledAmount,\n leftOrder.takerAssetAmount,\n leftOrder.takerFee\n );\n\n // Compute fees for right order\n matchedFillResults.right.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.makerAssetFilledAmount,\n rightOrder.makerAssetAmount,\n rightOrder.makerFee\n );\n matchedFillResults.right.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.takerAssetFilledAmount,\n rightOrder.takerAssetAmount,\n rightOrder.takerFee\n );\n\n // Return fill results\n return matchedFillResults;\n }\n\n /// @dev Settles matched order by transferring appropriate funds between order makers, taker, and fee recipient.\n /// @param leftOrder First matched order.\n /// @param rightOrder Second matched order.\n /// @param takerAddress Address that matched the orders. The taker receives the spread between orders as profit.\n /// @param matchedFillResults Struct holding amounts to transfer between makers, taker, and fee recipients.\n function settleMatchedOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n address takerAddress,\n LibFillResults.MatchedFillResults memory matchedFillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n // Order makers and taker\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n rightOrder.makerAddress,\n matchedFillResults.right.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n rightOrder.makerAssetData,\n rightOrder.makerAddress,\n leftOrder.makerAddress,\n matchedFillResults.left.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n takerAddress,\n matchedFillResults.leftMakerAssetSpreadAmount\n );\n\n // Maker fees\n dispatchTransferFrom(\n zrxAssetData,\n leftOrder.makerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n rightOrder.makerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.makerFeePaid\n );\n\n // Taker fees\n if (leftOrder.feeRecipientAddress == rightOrder.feeRecipientAddress) {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n safeAdd(\n matchedFillResults.left.takerFeePaid,\n matchedFillResults.right.takerFeePaid\n )\n );\n } else {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.takerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.takerFeePaid\n );\n }\n }\n}\n", - "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./interfaces/IWallet.sol\";\nimport \"./interfaces/IValidator.sol\";\n\n\ncontract MixinSignatureValidator is\n ReentrancyGuard,\n MSignatureValidator,\n MTransactions\n{\n using LibBytes for bytes;\n \n // Mapping of hash => signer => signed\n mapping (bytes32 => mapping (address => bool)) public preSigned;\n\n // Mapping of signer => validator => approved\n mapping (address => mapping (address => bool)) public allowedValidators;\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n {\n if (signerAddress != msg.sender) {\n require(\n isValidSignature(\n hash,\n signerAddress,\n signature\n ),\n \"INVALID_SIGNATURE\"\n );\n }\n preSigned[hash][signerAddress] = true;\n }\n\n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external\n nonReentrant\n {\n address signerAddress = getCurrentContextAddress();\n allowedValidators[signerAddress][validatorAddress] = approval;\n emit SignatureValidatorApproval(\n signerAddress,\n validatorAddress,\n approval\n );\n }\n\n /// @dev Verifies that a hash has been signed by the given signer.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid)\n {\n require(\n signature.length > 0,\n \"LENGTH_GREATER_THAN_0_REQUIRED\"\n );\n\n // Pop last byte off of signature byte array.\n uint8 signatureTypeRaw = uint8(signature.popLastByte());\n\n // Ensure signature is supported\n require(\n signatureTypeRaw < uint8(SignatureType.NSignatureTypes),\n \"SIGNATURE_UNSUPPORTED\"\n );\n\n SignatureType signatureType = SignatureType(signatureTypeRaw);\n\n // Variables are not scoped in Solidity.\n uint8 v;\n bytes32 r;\n bytes32 s;\n address recovered;\n\n // Always illegal signature.\n // This is always an implicit option since a signer can create a\n // signature array with invalid type or length. We may as well make\n // it an explicit option. This aids testing and analysis. It is\n // also the initialization value for the enum type.\n if (signatureType == SignatureType.Illegal) {\n revert(\"SIGNATURE_ILLEGAL\");\n\n // Always invalid signature.\n // Like Illegal, this is always implicitly available and therefore\n // offered explicitly. It can be implicitly created by providing\n // a correctly formatted but incorrect signature.\n } else if (signatureType == SignatureType.Invalid) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = false;\n return isValid;\n\n // Signature using EIP712\n } else if (signatureType == SignatureType.EIP712) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n hash,\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signed using web3.eth_sign\n } else if (signatureType == SignatureType.EthSign) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n32\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signature verified by wallet contract.\n // If used with an order, the maker of the order is the wallet contract.\n } else if (signatureType == SignatureType.Wallet) {\n isValid = isValidWalletSignature(\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signature verified by validator contract.\n // If used with an order, the maker of the order can still be an EOA.\n // A signature using this type should be encoded as:\n // | Offset | Length | Contents |\n // | 0x00 | x | Signature to validate |\n // | 0x00 + x | 20 | Address of validator contract |\n // | 0x14 + x | 1 | Signature type is always \"\\x06\" |\n } else if (signatureType == SignatureType.Validator) {\n // Pop last 20 bytes off of signature byte array.\n address validatorAddress = signature.popLast20Bytes();\n \n // Ensure signer has approved validator.\n if (!allowedValidators[signerAddress][validatorAddress]) {\n return false;\n }\n isValid = isValidValidatorSignature(\n validatorAddress,\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signer signed hash previously using the preSign function.\n } else if (signatureType == SignatureType.PreSigned) {\n isValid = preSigned[hash][signerAddress];\n return isValid;\n }\n\n // Anything else is illegal (We do not return false because\n // the signature may actually be valid, just not in a format\n // that we currently support. In this case returning false\n // may lead the caller to incorrectly believe that the\n // signature was invalid.)\n revert(\"SIGNATURE_UNSUPPORTED\");\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if signature is valid for given wallet..\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IWallet(walletAddress).isValidSignature.selector,\n hash,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n walletAddress, // address of Wallet contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"WALLET_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000c57414c4c45545f4552524f5200000000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IValidator(signerAddress).isValidSignature.selector,\n hash,\n signerAddress,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n validatorAddress, // address of Validator contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"VALIDATOR_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f56414c494441544f525f4552524f5200000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n}\n", - "2.0.0/protocol/Exchange/MixinTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"./libs/LibExchangeErrors.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./libs/LibEIP712.sol\";\n\n\ncontract MixinTransactions is\n LibEIP712,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of transaction hash => executed\n // This prevents transactions from being executed more than once.\n mapping (bytes32 => bool) public transactions;\n\n // Address of current transaction signer\n address public currentContextAddress;\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external\n {\n // Prevent reentrancy\n require(\n currentContextAddress == address(0),\n \"REENTRANCY_ILLEGAL\"\n );\n\n bytes32 transactionHash = hashEIP712Message(hashZeroExTransaction(\n salt,\n signerAddress,\n data\n ));\n\n // Validate transaction has not been executed\n require(\n !transactions[transactionHash],\n \"INVALID_TX_HASH\"\n );\n\n // Transaction always valid if signer is sender of transaction\n if (signerAddress != msg.sender) {\n // Validate signature\n require(\n isValidSignature(\n transactionHash,\n signerAddress,\n signature\n ),\n \"INVALID_TX_SIGNATURE\"\n );\n\n // Set the current transaction signer\n currentContextAddress = signerAddress;\n }\n\n // Execute transaction\n transactions[transactionHash] = true;\n require(\n address(this).delegatecall(data),\n \"FAILED_EXECUTION\"\n );\n\n // Reset current transaction signer if it was previously updated\n if (signerAddress != msg.sender) {\n currentContextAddress = address(0);\n }\n }\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;\n bytes32 dataHash = keccak256(data);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,\n // salt,\n // bytes32(signerAddress),\n // keccak256(data)\n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, schemaHash) // hash of schema\n mstore(add(memPtr, 32), salt) // salt\n mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff)) // signerAddress\n mstore(add(memPtr, 96), dataHash) // hash of data\n\n // Compute hash\n result := keccak256(memPtr, 128)\n }\n return result;\n }\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address)\n {\n address currentContextAddress_ = currentContextAddress;\n address contextAddress = currentContextAddress_ == address(0) ? msg.sender : currentContextAddress_;\n return contextAddress;\n }\n}\n", - "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibAbiEncoder.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MWrapperFunctions.sol\";\n\n\ncontract MixinWrapperFunctions is\n ReentrancyGuard,\n LibMath,\n LibFillResults,\n LibAbiEncoder,\n MExchangeCore,\n MWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrKillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n // Delegate to `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := delegatecall(\n gas, // forward all gas\n address, // call address of this contract\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrKillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n \n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public\n nonReentrant\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n cancelOrderInternal(orders[i]);\n }\n }\n\n /// @dev Fetches information for all passed in orders.\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n LibOrder.OrderInfo[] memory ordersInfo = new LibOrder.OrderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n ordersInfo[i] = getOrderInfo(orders[i]);\n }\n return ordersInfo;\n }\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n require(\n fillResults.takerAssetFilledAmount == takerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return fillResults;\n }\n}\n", - "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssetProxyDispatcher {\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external;\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IExchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./IExchangeCore.sol\";\nimport \"./IMatchOrders.sol\";\nimport \"./ISignatureValidator.sol\";\nimport \"./ITransactions.sol\";\nimport \"./IAssetProxyDispatcher.sol\";\nimport \"./IWrapperFunctions.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract IExchange is\n IExchangeCore,\n IMatchOrders,\n ISignatureValidator,\n ITransactions,\n IAssetProxyDispatcher,\n IWrapperFunctions\n{}\n", - "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IExchangeCore {\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external;\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrder(LibOrder.Order memory order)\n public;\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(LibOrder.Order memory order)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IMatchOrders {\n\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n}\n", - "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ISignatureValidator {\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external;\n \n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external;\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address of signer.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\n\ncontract ITransactions {\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external;\n}\n", - "2.0.0/protocol/Exchange/interfaces/IValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IValidator {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IWallet {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IWrapperFunctions {\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public;\n\n /// @dev Fetches information for all passed in orders\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory);\n}\n", - "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./LibOrder.sol\";\n\n\ncontract LibAbiEncoder {\n\n /// @dev ABI encodes calldata for `fillOrder`.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return ABI encoded calldata for `fillOrder`.\n function abiEncodeFillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n pure\n returns (bytes memory fillOrderCalldata)\n {\n // We need to call MExchangeCore.fillOrder using a delegatecall in\n // assembly so that we can intercept a call that throws. For this, we\n // need the input encoded in memory in the Ethereum ABIv2 format [1].\n\n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0x00 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 0x00 | | 1. offset to order (*) |\n // | | 0x20 | | 2. takerAssetFillAmount |\n // | | 0x40 | | 3. offset to signature (*) |\n // | Data | | 12 * 32 | order: |\n // | | 0x000 | | 1. senderAddress |\n // | | 0x020 | | 2. makerAddress |\n // | | 0x040 | | 3. takerAddress |\n // | | 0x060 | | 4. feeRecipientAddress |\n // | | 0x080 | | 5. makerAssetAmount |\n // | | 0x0A0 | | 6. takerAssetAmount |\n // | | 0x0C0 | | 7. makerFeeAmount |\n // | | 0x0E0 | | 8. takerFeeAmount |\n // | | 0x100 | | 9. expirationTimeSeconds |\n // | | 0x120 | | 10. salt |\n // | | 0x140 | | 11. Offset to makerAssetData (*) |\n // | | 0x160 | | 12. Offset to takerAssetData (*) |\n // | | 0x180 | 32 | makerAssetData Length |\n // | | 0x1A0 | ** | makerAssetData Contents |\n // | | 0x1C0 | 32 | takerAssetData Length |\n // | | 0x1E0 | ** | takerAssetData Contents |\n // | | 0x200 | 32 | signature Length |\n // | | 0x220 | ** | signature Contents |\n\n // * Offsets are calculated from the beginning of the current area: Header, Params, Data:\n // An offset stored in the Params area is calculated from the beginning of the Params section.\n // An offset stored in the Data area is calculated from the beginning of the Data section.\n\n // ** The length of dynamic array contents are stored in the field immediately preceeding the contents.\n\n // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html\n\n assembly {\n\n // Areas below may use the following variables:\n // 1. Start -- Start of this area in memory\n // 2. End -- End of this area in memory. This value may\n // be precomputed (before writing contents),\n // or it may be computed as contents are written.\n // 3. Offset -- Current offset into area. If an area's End\n // is precomputed, this variable tracks the\n // offsets of contents as they are written.\n\n /////// Setup Header Area ///////\n // Load free memory pointer\n fillOrderCalldata := mload(0x40)\n // bytes4(keccak256(\"fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)\"))\n // = 0xb4be83d5\n // Leave 0x20 bytes to store the length\n mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000)\n let headerAreaEnd := add(fillOrderCalldata, 0x24)\n\n /////// Setup Params Area ///////\n // This area is preallocated and written to later.\n // This is because we need to fill in offsets that have not yet been calculated.\n let paramsAreaStart := headerAreaEnd\n let paramsAreaEnd := add(paramsAreaStart, 0x60)\n let paramsAreaOffset := paramsAreaStart\n\n /////// Setup Data Area ///////\n let dataAreaStart := paramsAreaEnd\n let dataAreaEnd := dataAreaStart\n\n // Offset from the source data we're reading from\n let sourceOffset := order\n // arrayLenBytes and arrayLenWords track the length of a dynamically-allocated bytes array.\n let arrayLenBytes := 0\n let arrayLenWords := 0\n\n /////// Write order Struct ///////\n // Write memory location of Order, relative to the start of the\n // parameter list, then increment the paramsAreaOffset respectively.\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n // Write values for each field in the order\n // It would be nice to use a loop, but we save on gas by writing\n // the stores sequentially.\n mstore(dataAreaEnd, mload(sourceOffset)) // makerAddress\n mstore(add(dataAreaEnd, 0x20), mload(add(sourceOffset, 0x20))) // takerAddress\n mstore(add(dataAreaEnd, 0x40), mload(add(sourceOffset, 0x40))) // feeRecipientAddress\n mstore(add(dataAreaEnd, 0x60), mload(add(sourceOffset, 0x60))) // senderAddress\n mstore(add(dataAreaEnd, 0x80), mload(add(sourceOffset, 0x80))) // makerAssetAmount\n mstore(add(dataAreaEnd, 0xA0), mload(add(sourceOffset, 0xA0))) // takerAssetAmount\n mstore(add(dataAreaEnd, 0xC0), mload(add(sourceOffset, 0xC0))) // makerFeeAmount\n mstore(add(dataAreaEnd, 0xE0), mload(add(sourceOffset, 0xE0))) // takerFeeAmount\n mstore(add(dataAreaEnd, 0x100), mload(add(sourceOffset, 0x100))) // expirationTimeSeconds\n mstore(add(dataAreaEnd, 0x120), mload(add(sourceOffset, 0x120))) // salt\n mstore(add(dataAreaEnd, 0x140), mload(add(sourceOffset, 0x140))) // Offset to makerAssetData\n mstore(add(dataAreaEnd, 0x160), mload(add(sourceOffset, 0x160))) // Offset to takerAssetData\n dataAreaEnd := add(dataAreaEnd, 0x180)\n sourceOffset := add(sourceOffset, 0x180)\n\n // Write offset to \n mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x140)) // makerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Write offset to \n mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x160)) // takerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n /////// Write takerAssetFillAmount ///////\n mstore(paramsAreaOffset, takerAssetFillAmount)\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n /////// Write signature ///////\n // Write offset to paramsArea\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n\n // Calculate length of signature\n sourceOffset := signature\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of signature\n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of signature\n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Set length of calldata\n mstore(fillOrderCalldata, sub(dataAreaEnd, add(fillOrderCalldata, 0x20)))\n\n // Increment free memory pointer\n mstore(0x40, dataAreaEnd)\n }\n\n return fillOrderCalldata;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\n// solhint-disable max-line-length\ncontract LibConstants {\n \n // Asset data for ZRX token. Used for fee transfers.\n // @TODO: Hardcode constant when we deploy. Currently \n // not constant to make testing easier.\n\n // The proxyId for ZRX_ASSET_DATA is bytes4(keccak256(\"ERC20Token(address)\")) = 0xf47261b0\n \n // Kovan ZRX address is 0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570.\n // The ABI encoded proxyId and address is 0xf47261b00000000000000000000000006ff6c0ff1d68b964901f986d4c9fa3ac68346570\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x6f\\xf6\\xc0\\xff\\x1d\\x68\\xb9\\x64\\x90\\x1f\\x98\\x6d\\x4c\\x9f\\xa3\\xac\\x68\\x34\\x65\\x70\";\n \n // Mainnet ZRX address is 0xe41d2489571d322189246dafa5ebde1f4699f498.\n // The ABI encoded proxyId and address is 0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xe4\\x1d\\x24\\x89\\x57\\x1d\\x32\\x21\\x89\\x24\\x6d\\xaf\\xa5\\xeb\\xde\\x1f\\x46\\x99\\xf4\\x98\";\n \n // solhint-disable-next-line var-name-mixedcase\n bytes public ZRX_ASSET_DATA;\n\n // @TODO: Remove when we deploy.\n constructor (bytes memory zrxAssetData)\n public\n {\n ZRX_ASSET_DATA = zrxAssetData;\n }\n}\n// solhint-enable max-line-length\n", - "2.0.0/protocol/Exchange/libs/LibEIP712.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract LibEIP712 {\n\n // EIP191 header for EIP712 prefix\n string constant internal EIP191_HEADER = \"\\x19\\x01\";\n\n // EIP712 Domain Name value\n string constant internal EIP712_DOMAIN_NAME = \"0x Protocol\";\n\n // EIP712 Domain Version value\n string constant internal EIP712_DOMAIN_VERSION = \"2\";\n\n // Hash of the EIP712 Domain Separator Schema\n bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"EIP712Domain(\",\n \"string name,\",\n \"string version,\",\n \"address verifyingContract\",\n \")\"\n ));\n\n // Hash of the EIP712 Domain Separator data\n // solhint-disable-next-line var-name-mixedcase\n bytes32 public EIP712_DOMAIN_HASH;\n\n constructor ()\n public\n {\n EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(\n EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,\n keccak256(bytes(EIP712_DOMAIN_NAME)),\n keccak256(bytes(EIP712_DOMAIN_VERSION)),\n bytes32(address(this))\n ));\n }\n\n /// @dev Calculates EIP712 encoding for a hash struct in this EIP712 Domain.\n /// @param hashStruct The EIP712 hash struct.\n /// @return EIP712 hash applied to this EIP712 Domain.\n function hashEIP712Message(bytes32 hashStruct)\n internal\n view\n returns (bytes32 result)\n {\n bytes32 eip712DomainHash = EIP712_DOMAIN_HASH;\n\n // Assembly for more efficient computing:\n // keccak256(abi.encodePacked(\n // EIP191_HEADER,\n // EIP712_DOMAIN_HASH,\n // hashStruct \n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, 0x1901000000000000000000000000000000000000000000000000000000000000) // EIP191 header\n mstore(add(memPtr, 2), eip712DomainHash) // EIP712 domain hash\n mstore(add(memPtr, 34), hashStruct) // Hash of struct\n\n // Compute hash\n result := keccak256(memPtr, 66)\n }\n return result;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity 0.4.24;\n\n\n/// @dev This contract documents the revert reasons used in the Exchange contract.\n/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons.\ncontract LibExchangeErrors {\n\n /// Order validation errors ///\n string constant ORDER_UNFILLABLE = \"ORDER_UNFILLABLE\"; // Order cannot be filled.\n string constant INVALID_MAKER = \"INVALID_MAKER\"; // Invalid makerAddress.\n string constant INVALID_TAKER = \"INVALID_TAKER\"; // Invalid takerAddress.\n string constant INVALID_SENDER = \"INVALID_SENDER\"; // Invalid `msg.sender`.\n string constant INVALID_ORDER_SIGNATURE = \"INVALID_ORDER_SIGNATURE\"; // Signature validation failed. \n \n /// fillOrder validation errors ///\n string constant INVALID_TAKER_AMOUNT = \"INVALID_TAKER_AMOUNT\"; // takerAssetFillAmount cannot equal 0.\n string constant ROUNDING_ERROR = \"ROUNDING_ERROR\"; // Rounding error greater than 0.1% of takerAssetFillAmount. \n \n /// Signature validation errors ///\n string constant INVALID_SIGNATURE = \"INVALID_SIGNATURE\"; // Signature validation failed. \n string constant SIGNATURE_ILLEGAL = \"SIGNATURE_ILLEGAL\"; // Signature type is illegal.\n string constant SIGNATURE_UNSUPPORTED = \"SIGNATURE_UNSUPPORTED\"; // Signature type unsupported.\n \n /// cancelOrdersUptTo errors ///\n string constant INVALID_NEW_ORDER_EPOCH = \"INVALID_NEW_ORDER_EPOCH\"; // Specified salt must be greater than or equal to existing orderEpoch.\n\n /// fillOrKillOrder errors ///\n string constant COMPLETE_FILL_FAILED = \"COMPLETE_FILL_FAILED\"; // Desired takerAssetFillAmount could not be completely filled. \n\n /// matchOrders errors ///\n string constant NEGATIVE_SPREAD_REQUIRED = \"NEGATIVE_SPREAD_REQUIRED\"; // Matched orders must have a negative spread.\n\n /// Transaction errors ///\n string constant REENTRANCY_ILLEGAL = \"REENTRANCY_ILLEGAL\"; // Recursive reentrancy is not allowed. \n string constant INVALID_TX_HASH = \"INVALID_TX_HASH\"; // Transaction has already been executed. \n string constant INVALID_TX_SIGNATURE = \"INVALID_TX_SIGNATURE\"; // Signature validation failed. \n string constant FAILED_EXECUTION = \"FAILED_EXECUTION\"; // Transaction execution failed. \n \n /// registerAssetProxy errors ///\n string constant ASSET_PROXY_ALREADY_EXISTS = \"ASSET_PROXY_ALREADY_EXISTS\"; // AssetProxy with same id already exists.\n\n /// dispatchTransferFrom errors ///\n string constant ASSET_PROXY_DOES_NOT_EXIST = \"ASSET_PROXY_DOES_NOT_EXIST\"; // No assetProxy registered at given id.\n string constant TRANSFER_FAILED = \"TRANSFER_FAILED\"; // Asset transfer unsuccesful.\n\n /// Length validation errors ///\n string constant LENGTH_GREATER_THAN_0_REQUIRED = \"LENGTH_GREATER_THAN_0_REQUIRED\"; // Byte array must have a length greater than 0.\n string constant LENGTH_GREATER_THAN_3_REQUIRED = \"LENGTH_GREATER_THAN_3_REQUIRED\"; // Byte array must have a length greater than 3.\n string constant LENGTH_0_REQUIRED = \"LENGTH_0_REQUIRED\"; // Byte array must have a length of 0.\n string constant LENGTH_65_REQUIRED = \"LENGTH_65_REQUIRED\"; // Byte array must have a length of 65.\n}\n", - "2.0.0/protocol/Exchange/libs/LibFillResults.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibFillResults is\n SafeMath\n{\n struct FillResults {\n uint256 makerAssetFilledAmount; // Total amount of makerAsset(s) filled.\n uint256 takerAssetFilledAmount; // Total amount of takerAsset(s) filled.\n uint256 makerFeePaid; // Total amount of ZRX paid by maker(s) to feeRecipient(s).\n uint256 takerFeePaid; // Total amount of ZRX paid by taker to feeRecipients(s).\n }\n\n struct MatchedFillResults {\n FillResults left; // Amounts filled and fees paid of left order.\n FillResults right; // Amounts filled and fees paid of right order.\n uint256 leftMakerAssetSpreadAmount; // Spread between price of left and right order, denominated in the left order's makerAsset, paid to taker.\n }\n\n /// @dev Adds properties of both FillResults instances.\n /// Modifies the first FillResults instance specified.\n /// @param totalFillResults Fill results instance that will be added onto.\n /// @param singleFillResults Fill results instance that will be added to totalFillResults.\n function addFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)\n internal\n pure\n {\n totalFillResults.makerAssetFilledAmount = safeAdd(totalFillResults.makerAssetFilledAmount, singleFillResults.makerAssetFilledAmount);\n totalFillResults.takerAssetFilledAmount = safeAdd(totalFillResults.takerAssetFilledAmount, singleFillResults.takerAssetFilledAmount);\n totalFillResults.makerFeePaid = safeAdd(totalFillResults.makerFeePaid, singleFillResults.makerFeePaid);\n totalFillResults.takerFeePaid = safeAdd(totalFillResults.takerFeePaid, singleFillResults.takerFeePaid);\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibMath.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibMath is\n SafeMath\n{\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function safeGetPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorFloor(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function safeGetPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorCeil(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function getPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function getPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // The absolute rounding error is the difference between the rounded\n // value and the ideal value. The relative rounding error is the\n // absolute rounding error divided by the absolute value of the\n // ideal value. This is undefined when the ideal value is zero.\n //\n // The ideal value is `numerator * target / denominator`.\n // Let's call `numerator * target % denominator` the remainder.\n // The absolute error is `remainder / denominator`.\n //\n // When the ideal value is zero, we require the absolute error to\n // be zero. Fortunately, this is always the case. The ideal value is\n // zero iff `numerator == 0` and/or `target == 0`. In this case the\n // remainder and absolute error are also zero. \n if (target == 0 || numerator == 0) {\n return false;\n }\n \n // Otherwise, we want the relative rounding error to be strictly\n // less than 0.1%.\n // The relative error is `remainder / (numerator * target)`.\n // We want the relative error less than 1 / 1000:\n // remainder / (numerator * denominator) < 1 / 1000\n // or equivalently:\n // 1000 * remainder < numerator * target\n // so we have a rounding error iff:\n // 1000 * remainder >= numerator * target\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding up.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // See the comments in `isRoundingError`.\n if (target == 0 || numerator == 0) {\n // When either is zero, the ideal value and rounded value are zero\n // and there is no rounding error. (Although the relative error\n // is undefined.)\n return false;\n }\n // Compute remainder as before\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n remainder = safeSub(denominator, remainder) % denominator;\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibOrder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./LibEIP712.sol\";\n\n\ncontract LibOrder is\n LibEIP712\n{\n // Hash for the EIP712 Order Schema\n bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"Order(\",\n \"address makerAddress,\",\n \"address takerAddress,\",\n \"address feeRecipientAddress,\",\n \"address senderAddress,\",\n \"uint256 makerAssetAmount,\",\n \"uint256 takerAssetAmount,\",\n \"uint256 makerFee,\",\n \"uint256 takerFee,\",\n \"uint256 expirationTimeSeconds,\",\n \"uint256 salt,\",\n \"bytes makerAssetData,\",\n \"bytes takerAssetData\",\n \")\"\n ));\n\n // A valid order remains fillable until it is expired, fully filled, or cancelled.\n // An order's state is unaffected by external factors, like account balances.\n enum OrderStatus {\n INVALID, // Default value\n INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount\n INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount\n FILLABLE, // Order is fillable\n EXPIRED, // Order has already expired\n FULLY_FILLED, // Order is fully filled\n CANCELLED // Order has been cancelled\n }\n\n // solhint-disable max-line-length\n struct Order {\n address makerAddress; // Address that created the order. \n address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order. \n address feeRecipientAddress; // Address that will recieve fees when order is filled. \n address senderAddress; // Address that is allowed to call Exchange contract methods that affect this order. If set to 0, any address is allowed to call these methods.\n uint256 makerAssetAmount; // Amount of makerAsset being offered by maker. Must be greater than 0. \n uint256 takerAssetAmount; // Amount of takerAsset being bid on by maker. Must be greater than 0. \n uint256 makerFee; // Amount of ZRX paid to feeRecipient by maker when order is filled. If set to 0, no transfer of ZRX from maker to feeRecipient will be attempted.\n uint256 takerFee; // Amount of ZRX paid to feeRecipient by taker when order is filled. If set to 0, no transfer of ZRX from taker to feeRecipient will be attempted.\n uint256 expirationTimeSeconds; // Timestamp in seconds at which order expires. \n uint256 salt; // Arbitrary number to facilitate uniqueness of the order's hash. \n bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.\n bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.\n }\n // solhint-enable max-line-length\n\n struct OrderInfo {\n uint8 orderStatus; // Status that describes order's validity and fillability.\n bytes32 orderHash; // EIP712 hash of the order (see LibOrder.getOrderHash).\n uint256 orderTakerAssetFilledAmount; // Amount of order that has already been filled.\n }\n\n /// @dev Calculates Keccak-256 hash of the order.\n /// @param order The order structure.\n /// @return Keccak-256 EIP712 hash of the order.\n function getOrderHash(Order memory order)\n internal\n view\n returns (bytes32 orderHash)\n {\n orderHash = hashEIP712Message(hashOrder(order));\n return orderHash;\n }\n\n /// @dev Calculates EIP712 hash of the order.\n /// @param order The order structure.\n /// @return EIP712 hash of the order.\n function hashOrder(Order memory order)\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ORDER_SCHEMA_HASH;\n bytes32 makerAssetDataHash = keccak256(order.makerAssetData);\n bytes32 takerAssetDataHash = keccak256(order.takerAssetData);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ORDER_SCHEMA_HASH,\n // bytes32(order.makerAddress),\n // bytes32(order.takerAddress),\n // bytes32(order.feeRecipientAddress),\n // bytes32(order.senderAddress),\n // order.makerAssetAmount,\n // order.takerAssetAmount,\n // order.makerFee,\n // order.takerFee,\n // order.expirationTimeSeconds,\n // order.salt,\n // keccak256(order.makerAssetData),\n // keccak256(order.takerAssetData)\n // ));\n\n assembly {\n // Calculate memory addresses that will be swapped out before hashing\n let pos1 := sub(order, 32)\n let pos2 := add(order, 320)\n let pos3 := add(order, 352)\n\n // Backup\n let temp1 := mload(pos1)\n let temp2 := mload(pos2)\n let temp3 := mload(pos3)\n \n // Hash in place\n mstore(pos1, schemaHash)\n mstore(pos2, makerAssetDataHash)\n mstore(pos3, takerAssetDataHash)\n result := keccak256(pos1, 416)\n \n // Restore\n mstore(pos1, temp1)\n mstore(pos2, temp2)\n mstore(pos3, temp3)\n }\n return result;\n }\n}\n", - "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssetProxyDispatcher.sol\";\n\n\ncontract MAssetProxyDispatcher is\n IAssetProxyDispatcher\n{\n // Logs registration of new asset proxy\n event AssetProxyRegistered(\n bytes4 id, // Id of new registered AssetProxy.\n address assetProxy // Address of new registered AssetProxy.\n );\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal;\n}\n", - "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IExchangeCore.sol\";\n\n\ncontract MExchangeCore is\n IExchangeCore\n{\n // Fill event is emitted whenever an order is filled.\n event Fill(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that received fees.\n address takerAddress, // Address that filled the order.\n address senderAddress, // Address that called the Exchange contract (msg.sender).\n uint256 makerAssetFilledAmount, // Amount of makerAsset sold by maker and bought by taker. \n uint256 takerAssetFilledAmount, // Amount of takerAsset sold by taker and bought by maker.\n uint256 makerFeePaid, // Amount of ZRX paid to feeRecipient by maker.\n uint256 takerFeePaid, // Amount of ZRX paid to feeRecipient by taker.\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // Cancel event is emitted whenever an individual order is cancelled.\n event Cancel(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that would have recieved fees if order was filled. \n address senderAddress, // Address that called the Exchange contract (msg.sender).\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // CancelUpTo event is emitted whenever `cancelOrdersUpTo` is executed succesfully.\n event CancelUpTo(\n address indexed makerAddress, // Orders cancelled must have been created by this address.\n address indexed senderAddress, // Orders cancelled must have a `senderAddress` equal to this address.\n uint256 orderEpoch // Orders with specified makerAddress and senderAddress with a salt less than this value are considered cancelled.\n );\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrderInternal(LibOrder.Order memory order)\n internal;\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function updateFilledState(\n LibOrder.Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n LibFillResults.FillResults memory fillResults\n )\n internal;\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n LibOrder.Order memory order,\n bytes32 orderHash\n )\n internal;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo Status, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view;\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo\n )\n internal\n view;\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n LibOrder.Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.FillResults memory fillResults);\n\n}\n", - "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IMatchOrders.sol\";\n\n\ncontract MMatchOrders is\n IMatchOrders\n{\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure;\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n\n}\n", - "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/ISignatureValidator.sol\";\n\n\ncontract MSignatureValidator is\n ISignatureValidator\n{\n event SignatureValidatorApproval(\n address indexed signerAddress, // Address that approves or disapproves a contract to verify signatures.\n address indexed validatorAddress, // Address of signature validator contract.\n bool approved // Approval or disapproval of validator contract.\n );\n\n // Allowed signature types.\n enum SignatureType {\n Illegal, // 0x00, default value\n Invalid, // 0x01\n EIP712, // 0x02\n EthSign, // 0x03\n Wallet, // 0x04\n Validator, // 0x05\n PreSigned, // 0x06\n NSignatureTypes // 0x07, number of signature types. Always leave at end.\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/mixins/MTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"../interfaces/ITransactions.sol\";\n\n\ncontract MTransactions is\n ITransactions\n{\n // Hash for the EIP712 ZeroEx Transaction Schema\n bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"ZeroExTransaction(\",\n \"uint256 salt,\",\n \"address signerAddress,\",\n \"bytes data\",\n \")\"\n ));\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result);\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address);\n}\n", - "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IWrapperFunctions.sol\";\n\n\ncontract MWrapperFunctions is \n IWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n}\n", - "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/MintableERC20Token.sol\";\n\n\ncontract DummyERC20Token is \n Ownable,\n MintableERC20Token\n{\n string public name;\n string public symbol;\n uint256 public decimals;\n uint256 public constant MAX_MINT_AMOUNT = 10000000000000000000000;\n\n constructor (\n string _name,\n string _symbol,\n uint256 _decimals,\n uint256 _totalSupply\n )\n public\n {\n name = _name;\n symbol = _symbol;\n decimals = _decimals;\n _totalSupply = _totalSupply;\n balances[msg.sender] = _totalSupply;\n }\n\n /// @dev Sets the balance of target address\n /// @param _target Address or which balance will be updated\n /// @param _value New balance of target address\n function setBalance(address _target, uint256 _value)\n external\n onlyOwner\n {\n uint256 currBalance = balances[_target];\n if (_value < currBalance) {\n _totalSupply = safeSub(_totalSupply, safeSub(currBalance, _value));\n } else {\n _totalSupply = safeAdd(_totalSupply, safeSub(_value, currBalance));\n }\n balances[_target] = _value;\n }\n\n /// @dev Mints new tokens for sender\n /// @param _value Amount of tokens to mint\n function mint(uint256 _value)\n external\n {\n require(\n _value <= MAX_MINT_AMOUNT,\n \"VALUE_TOO_LARGE\"\n );\n\n _mint(msg.sender, _value);\n }\n}\n", - "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../tokens/ERC721Token/MintableERC721Token.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract DummyERC721Token is\n Ownable,\n MintableERC721Token\n{\n string public name;\n string public symbol;\n\n constructor (\n string _name,\n string _symbol\n )\n public\n {\n name = _name;\n symbol = _symbol;\n }\n\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function mint(address _to, uint256 _tokenId)\n external\n {\n _mint(_to, _tokenId);\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist or not called by contract owner\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function burn(address _owner, uint256 _tokenId)\n external\n onlyOwner\n {\n _burn(_owner, _tokenId);\n }\n}\n", - "2.0.0/tokens/ERC20Token/ERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC20Token.sol\";\n\n\ncontract ERC20Token is\n IERC20Token\n{\n mapping (address => uint256) internal balances;\n mapping (address => mapping (address => uint256)) internal allowed;\n\n uint256 internal _totalSupply;\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool)\n {\n require(\n balances[msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[msg.sender] -= _value;\n balances[_to] += _value;\n\n emit Transfer(\n msg.sender,\n _to,\n _value\n );\n\n return true;\n }\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowed[_from][msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n allowed[_from][msg.sender] -= _value;\n \n emit Transfer(\n _from,\n _to,\n _value\n );\n \n return true;\n }\n\n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool)\n {\n allowed[msg.sender][_spender] = _value;\n emit Approval(\n msg.sender,\n _spender,\n _value\n );\n return true;\n }\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256)\n {\n return _totalSupply;\n }\n\n /// @dev Query the balance of owner\n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n return balances[_owner];\n }\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256)\n {\n return allowed[_owner][_spender];\n }\n}\n", - "2.0.0/tokens/ERC20Token/IERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n \n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n \n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", - "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/SafeMath/SafeMath.sol\";\nimport \"./UnlimitedAllowanceERC20Token.sol\";\n\n\ncontract MintableERC20Token is \n SafeMath,\n UnlimitedAllowanceERC20Token\n{\n /// @dev Mints new tokens\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _value Amount of tokens to mint\n function _mint(address _to, uint256 _value)\n internal\n {\n balances[_to] = safeAdd(_value, balances[_to]);\n _totalSupply = safeAdd(_totalSupply, _value);\n\n emit Transfer(\n address(0),\n _to,\n _value\n );\n }\n\n /// @dev Mints new tokens\n /// @param _owner Owner of tokens that will be burned\n /// @param _value Amount of tokens to burn\n function _burn(address _owner, uint256 _value)\n internal\n {\n balances[_owner] = safeSub(balances[_owner], _value);\n _totalSupply = safeSub(_totalSupply, _value);\n\n emit Transfer(\n _owner,\n address(0),\n _value\n );\n }\n}\n", - "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/ERC20Token.sol\";\n\n\ncontract UnlimitedAllowanceERC20Token is\n ERC20Token\n{\n uint256 constant internal MAX_UINT = 2**256 - 1;\n\n /// @dev ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited allowance. See https://github.com/ethereum/EIPs/issues/717\n /// @param _from Address to transfer from.\n /// @param _to Address to transfer to.\n /// @param _value Amount to transfer.\n /// @return Success of transfer.\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n uint256 allowance = allowed[_from][msg.sender];\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowance >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n if (allowance < MAX_UINT) {\n allowed[_from][msg.sender] -= _value;\n }\n\n emit Transfer(\n _from,\n _to,\n _value\n );\n\n return true;\n }\n}\n", - "2.0.0/tokens/ERC721Token/ERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC721Token.sol\";\nimport \"./IERC721Receiver.sol\";\nimport \"../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract ERC721Token is\n IERC721Token,\n SafeMath\n{\n // Function selector for ERC721Receiver.onERC721Received\n // 0x150b7a02\n bytes4 constant internal ERC721_RECEIVED = bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"));\n\n // Mapping of tokenId => owner\n mapping (uint256 => address) internal owners;\n\n // Mapping of tokenId => approved address\n mapping (uint256 => address) internal approvals;\n\n // Mapping of owner => number of tokens owned\n mapping (address => uint256) internal balances;\n\n // Mapping of owner => operator => approved\n mapping (address => mapping (address => bool)) internal operatorApprovals;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n _data\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n \"\"\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external\n {\n address owner = ownerOf(_tokenId);\n require(\n msg.sender == owner || isApprovedForAll(owner, msg.sender),\n \"ERC721_INVALID_SENDER\"\n );\n\n approvals[_tokenId] = _approved;\n emit Approval(\n owner,\n _approved,\n _tokenId\n );\n }\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external\n {\n operatorApprovals[msg.sender][_operator] = _approved;\n emit ApprovalForAll(\n msg.sender,\n _operator,\n _approved\n );\n }\n \n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return balances[_owner];\n }\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = ownerOf(_tokenId);\n require(\n _from == owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n address spender = msg.sender;\n address approvedAddress = getApproved(_tokenId);\n require(\n spender == owner ||\n isApprovedForAll(owner, spender) ||\n approvedAddress == spender,\n \"ERC721_INVALID_SPENDER\"\n );\n\n if (approvedAddress != address(0)) {\n approvals[_tokenId] = address(0);\n }\n\n owners[_tokenId] = _to;\n balances[_from] = safeSub(balances[_from], 1);\n balances[_to] = safeAdd(balances[_to], 1);\n \n emit Transfer(\n _from,\n _to,\n _tokenId\n );\n }\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address)\n {\n address owner = owners[_tokenId];\n require(\n owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return owner;\n }\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId)\n public\n view\n returns (address)\n {\n return approvals[_tokenId];\n }\n\n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool)\n {\n return operatorApprovals[_owner][_operator];\n }\n}\n", - "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Receiver {\n\n /// @notice Handle the receipt of an NFT\n /// @dev The ERC721 smart contract calls this function on the recipient\n /// after a `transfer`. This function MAY throw to revert and reject the\n /// transfer. Return of other than the magic value MUST result in the\n /// transaction being reverted.\n /// Note: the contract address is always the message sender.\n /// @param _operator The address which called `safeTransferFrom` function\n /// @param _from The address which previously owned the token\n /// @param _tokenId The NFT identifier which is being transferred\n /// @param _data Additional data with no specified format\n /// @return `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`\n /// unless throwing\n function onERC721Received(\n address _operator,\n address _from,\n uint256 _tokenId,\n bytes _data\n )\n external\n returns (bytes4);\n}\n", - "2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Token {\n\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(\n address indexed _owner,\n address indexed _approved,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(\n address indexed _owner,\n address indexed _operator,\n bool _approved\n );\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// perator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external;\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public;\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address);\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) \n public\n view\n returns (address);\n \n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool);\n}\n", - "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./ERC721Token.sol\";\n\n\ncontract MintableERC721Token is\n ERC721Token\n{\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function _mint(address _to, uint256 _tokenId)\n internal\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == address(0),\n \"ERC721_OWNER_ALREADY_EXISTS\"\n );\n\n owners[_tokenId] = _to;\n balances[_to] = safeAdd(balances[_to], 1);\n\n emit Transfer(\n address(0),\n _to,\n _tokenId\n );\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function _burn(address _owner, uint256 _tokenId)\n internal\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == _owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n owners[_tokenId] = address(0);\n balances[_owner] = safeSub(balances[_owner], 1);\n\n emit Transfer(\n _owner,\n address(0),\n _tokenId\n );\n }\n}\n", - "2.0.0/tokens/EtherToken/IEtherToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/IERC20Token.sol\";\n\n\ncontract IEtherToken is\n IERC20Token\n{\n function deposit()\n public\n payable;\n \n function withdraw(uint256 amount)\n public;\n}\n", - "2.0.0/utils/LibBytes/LibBytes.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\nlibrary LibBytes {\n\n using LibBytes for bytes;\n\n /// @dev Gets the memory address for a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of byte array. This\n /// points to the header of the byte array which contains\n /// the length.\n function rawAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := input\n }\n return memoryAddress;\n }\n \n /// @dev Gets the memory address for the contents of a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of the contents of the byte array.\n function contentAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := add(input, 32)\n }\n return memoryAddress;\n }\n\n /// @dev Copies `length` bytes from memory location `source` to `dest`.\n /// @param dest memory address to copy bytes to.\n /// @param source memory address to copy bytes from.\n /// @param length number of bytes to copy.\n function memCopy(\n uint256 dest,\n uint256 source,\n uint256 length\n )\n internal\n pure\n {\n if (length < 32) {\n // Handle a partial word by reading destination and masking\n // off the bits we are interested in.\n // This correctly handles overlap, zero lengths and source == dest\n assembly {\n let mask := sub(exp(256, sub(32, length)), 1)\n let s := and(mload(source), not(mask))\n let d := and(mload(dest), mask)\n mstore(dest, or(s, d))\n }\n } else {\n // Skip the O(length) loop when source == dest.\n if (source == dest) {\n return;\n }\n\n // For large copies we copy whole words at a time. The final\n // word is aligned to the end of the range (instead of after the\n // previous) to handle partial words. So a copy will look like this:\n //\n // ####\n // ####\n // ####\n // ####\n //\n // We handle overlap in the source and destination range by\n // changing the copying direction. This prevents us from\n // overwriting parts of source that we still need to copy.\n //\n // This correctly handles source == dest\n //\n if (source > dest) {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because it\n // is easier to compare with in the loop, and these\n // are also the addresses we need for copying the\n // last bytes.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the last 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the last bytes in\n // source already due to overlap.\n let last := mload(sEnd)\n\n // Copy whole words front to back\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} lt(source, sEnd) {} {\n mstore(dest, mload(source))\n source := add(source, 32)\n dest := add(dest, 32)\n }\n \n // Write the last 32 bytes\n mstore(dEnd, last)\n }\n } else {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because those\n // are the starting points when copying a word at the end.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the first 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the first bytes in\n // source already due to overlap.\n let first := mload(source)\n\n // Copy whole words back to front\n // We use a signed comparisson here to allow dEnd to become\n // negative (happens when source and dest < 32). Valid\n // addresses in local memory will never be larger than\n // 2**255, so they can be safely re-interpreted as signed.\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} slt(dest, dEnd) {} {\n mstore(dEnd, mload(sEnd))\n sEnd := sub(sEnd, 32)\n dEnd := sub(dEnd, 32)\n }\n \n // Write the first 32 bytes\n mstore(dest, first)\n }\n }\n }\n }\n\n /// @dev Returns a slices from a byte array.\n /// @param b The byte array to take a slice from.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n function slice(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure and copy contents\n result = new bytes(to - from);\n memCopy(\n result.contentAddress(),\n b.contentAddress() + from,\n result.length\n );\n return result;\n }\n \n /// @dev Returns a slice from a byte array without preserving the input.\n /// @param b The byte array to take a slice from. Will be destroyed in the process.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n /// @dev When `from == 0`, the original array will match the slice. In other cases its state will be corrupted.\n function sliceDestructive(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure around [from, to) in-place.\n assembly {\n result := add(b, from)\n mstore(result, sub(to, from))\n }\n return result;\n }\n\n /// @dev Pops the last byte off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The byte that was popped off.\n function popLastByte(bytes memory b)\n internal\n pure\n returns (bytes1 result)\n {\n require(\n b.length > 0,\n \"GREATER_THAN_ZERO_LENGTH_REQUIRED\"\n );\n\n // Store last byte.\n result = b[b.length - 1];\n\n assembly {\n // Decrement length of byte array.\n let newLen := sub(mload(b), 1)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Pops the last 20 bytes off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The 20 byte address that was popped off.\n function popLast20Bytes(bytes memory b)\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= 20,\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Store last 20 bytes.\n result = readAddress(b, b.length - 20);\n\n assembly {\n // Subtract 20 from byte array length.\n let newLen := sub(mload(b), 20)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Tests equality of two byte arrays.\n /// @param lhs First byte array to compare.\n /// @param rhs Second byte array to compare.\n /// @return True if arrays are the same. False otherwise.\n function equals(\n bytes memory lhs,\n bytes memory rhs\n )\n internal\n pure\n returns (bool equal)\n {\n // Keccak gas cost is 30 + numWords * 6. This is a cheap way to compare.\n // We early exit on unequal lengths, but keccak would also correctly\n // handle this.\n return lhs.length == rhs.length && keccak256(lhs) == keccak256(rhs);\n }\n\n /// @dev Reads an address from a position in a byte array.\n /// @param b Byte array containing an address.\n /// @param index Index in byte array of address.\n /// @return address from byte array.\n function readAddress(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Read address from array memory\n assembly {\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 20-byte mask to obtain address\n result := and(mload(add(b, index)), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n return result;\n }\n\n /// @dev Writes an address into a specific position in a byte array.\n /// @param b Byte array to insert address into.\n /// @param index Index in byte array of address.\n /// @param input Address to put into byte array.\n function writeAddress(\n bytes memory b,\n uint256 index,\n address input\n )\n internal\n pure\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Store address into array memory\n assembly {\n // The address occupies 20 bytes and mstore stores 32 bytes.\n // First fetch the 32-byte word where we'll be storing the address, then\n // apply a mask so we have only the bytes in the word that the address will not occupy.\n // Then combine these bytes with the address and store the 32 bytes back to memory with mstore.\n\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 12-byte mask to obtain extra bytes occupying word of memory where we'll store the address\n let neighbors := and(\n mload(add(b, index)),\n 0xffffffffffffffffffffffff0000000000000000000000000000000000000000\n )\n \n // Make sure input address is clean.\n // (Solidity does not guarantee this)\n input := and(input, 0xffffffffffffffffffffffffffffffffffffffff)\n\n // Store the neighbors and address into memory\n mstore(add(b, index), xor(input, neighbors))\n }\n }\n\n /// @dev Reads a bytes32 value from a position in a byte array.\n /// @param b Byte array containing a bytes32 value.\n /// @param index Index in byte array of bytes32 value.\n /// @return bytes32 value from byte array.\n function readBytes32(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes32 result)\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n result := mload(add(b, index))\n }\n return result;\n }\n\n /// @dev Writes a bytes32 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes32 to put into byte array.\n function writeBytes32(\n bytes memory b,\n uint256 index,\n bytes32 input\n )\n internal\n pure\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n mstore(add(b, index), input)\n }\n }\n\n /// @dev Reads a uint256 value from a position in a byte array.\n /// @param b Byte array containing a uint256 value.\n /// @param index Index in byte array of uint256 value.\n /// @return uint256 value from byte array.\n function readUint256(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (uint256 result)\n {\n result = uint256(readBytes32(b, index));\n return result;\n }\n\n /// @dev Writes a uint256 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input uint256 to put into byte array.\n function writeUint256(\n bytes memory b,\n uint256 index,\n uint256 input\n )\n internal\n pure\n {\n writeBytes32(b, index, bytes32(input));\n }\n\n /// @dev Reads an unpadded bytes4 value from a position in a byte array.\n /// @param b Byte array containing a bytes4 value.\n /// @param index Index in byte array of bytes4 value.\n /// @return bytes4 value from byte array.\n function readBytes4(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes4 result)\n {\n require(\n b.length >= index + 4,\n \"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 32 byte length field\n index += 32;\n\n // Read the bytes4 from array memory\n assembly {\n result := mload(add(b, index))\n // Solidity does not require us to clean the trailing bytes.\n // We do it anyway\n result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)\n }\n return result;\n }\n\n /// @dev Reads nested bytes from a specific position.\n /// @dev NOTE: the returned value overlaps with the input value.\n /// Both should be treated as immutable.\n /// @param b Byte array containing nested bytes.\n /// @param index Index of nested bytes.\n /// @return result Nested bytes.\n function readBytesWithLength(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes memory result)\n {\n // Read length of nested bytes\n uint256 nestedBytesLength = readUint256(b, index);\n index += 32;\n\n // Assert length of is valid, given\n // length of nested bytes\n require(\n b.length >= index + nestedBytesLength,\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n \n // Return a pointer to the byte array as it exists inside `b`\n assembly {\n result := add(b, index)\n }\n return result;\n }\n\n /// @dev Inserts bytes at a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes to insert.\n function writeBytesWithLength(\n bytes memory b,\n uint256 index,\n bytes memory input\n )\n internal\n pure\n {\n // Assert length of is valid, given\n // length of input\n require(\n b.length >= index + 32 + input.length, // 32 bytes to store length\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n\n // Copy into \n memCopy(\n b.contentAddress() + index,\n input.rawAddress(), // includes length of \n input.length + 32 // +32 bytes to store length\n );\n }\n\n /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length.\n /// @param dest Byte array that will be overwritten with source bytes.\n /// @param source Byte array to copy onto dest bytes.\n function deepCopyBytes(\n bytes memory dest,\n bytes memory source\n )\n internal\n pure\n {\n uint256 sourceLen = source.length;\n // Dest length must be >= source length, or some bytes would not be copied.\n require(\n dest.length >= sourceLen,\n \"GREATER_OR_EQUAL_TO_SOURCE_BYTES_LENGTH_REQUIRED\"\n );\n memCopy(\n dest.contentAddress(),\n source.contentAddress(),\n sourceLen\n );\n }\n}\n", - "2.0.0/utils/Ownable/IOwnable.sol": "pragma solidity 0.4.24;\n\n\ncontract IOwnable {\n\n function transferOwnership(address newOwner)\n public;\n}\n", - "2.0.0/utils/Ownable/Ownable.sol": "pragma solidity 0.4.24;\n\nimport \"./IOwnable.sol\";\n\n\ncontract Ownable is\n IOwnable\n{\n address public owner;\n\n constructor ()\n public\n {\n owner = msg.sender;\n }\n\n modifier onlyOwner() {\n require(\n msg.sender == owner,\n \"ONLY_CONTRACT_OWNER\"\n );\n _;\n }\n\n function transferOwnership(address newOwner)\n public\n onlyOwner\n {\n if (newOwner != address(0)) {\n owner = newOwner;\n }\n }\n}\n", - "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ReentrancyGuard {\n\n // Locked state of mutex\n bool private locked = false;\n\n /// @dev Functions with this modifer cannot be reentered. The mutex will be locked\n /// before function execution and unlocked after.\n modifier nonReentrant() {\n // Ensure mutex is unlocked\n require(\n !locked,\n \"REENTRANCY_ILLEGAL\"\n );\n\n // Lock mutex before function call\n locked = true;\n\n // Perform function call\n _;\n\n // Unlock mutex after function call\n locked = false;\n }\n}\n", - "2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n\n function safeMul(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(\n c / a == b,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function safeDiv(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a / b;\n return c;\n }\n\n function safeSub(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n require(\n b <= a,\n \"UINT256_UNDERFLOW\"\n );\n return a - b;\n }\n\n function safeAdd(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a + b;\n require(\n c >= a,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function max64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n\n function max256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n}\n" - }, - "sourceTreeHashHex": "0xbd0ac9751d7681f909fd16b969568f4dfcee9893e0b084aa1b198b6bb38f8f48", - "compiler": { - "name": "solc", - "version": "soljson-v0.4.24+commit.e67f0147.js", - "settings": { - "optimizer": { - "enabled": true, - "runs": 1000000 - }, - "outputSelection": { - "*": { - "*": [ - "abi", - "evm.bytecode.object", - "evm.bytecode.sourceMap", - "evm.deployedBytecode.object", - "evm.deployedBytecode.sourceMap" - ] - } - } - } - }, - "networks": { - "3": { - "address": "0xff67881f8d12f372d91baae9752eb3631ff0ed00", - "links": {}, - "constructorArgs": "[\"0x Protocol Token\",\"ZRX\",\"18\",\"1000000000000000000000000000\"]" - }, - "42": { - "address": "0x2002d3812f58e35f0ea1ffbf80a75a38c32175fa", - "links": {}, - "constructorArgs": "[\"0x Protocol Token\",\"ZRX\",\"18\",\"1000000000000000000000000000\"]" - }, - "50": { - "address": "0x871dd7c2b4b25e1aa18728e9d5f2af4c4e431f5c", - "links": {}, - "constructorArgs": "[\"0x Protocol Token\",\"ZRX\",\"18\",\"115792089237316195423570985008687907853269984665640564039457584007913129639935\"]" - } - } -} diff --git a/packages/migrations/artifacts/2.0.0-beta-testnet/DummyERC721Token.json b/packages/migrations/artifacts/2.0.0-beta-testnet/DummyERC721Token.json deleted file mode 100644 index f0363ad81..000000000 --- a/packages/migrations/artifacts/2.0.0-beta-testnet/DummyERC721Token.json +++ /dev/null @@ -1,672 +0,0 @@ -{ - "schemaVersion": "2.0.0", - "contractName": "DummyERC721Token", - "compilerOutput": { - "abi": [ - { - "constant": true, - "inputs": [], - "name": "name", - "outputs": [ - { - "name": "", - "type": "string" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "_tokenId", - "type": "uint256" - } - ], - "name": "getApproved", - "outputs": [ - { - "name": "", - "type": "address" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "_approved", - "type": "address" - }, - { - "name": "_tokenId", - "type": "uint256" - } - ], - "name": "approve", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "_from", - "type": "address" - }, - { - "name": "_to", - "type": "address" - }, - { - "name": "_tokenId", - "type": "uint256" - } - ], - "name": "transferFrom", - "outputs": [], - 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DUP3 ISZERO PUSH3 0xF1 JUMPI SWAP2 DUP3 ADD JUMPDEST DUP3 DUP2 GT ISZERO PUSH3 0xF1 JUMPI DUP3 MLOAD DUP3 SSTORE SWAP2 PUSH1 0x20 ADD SWAP2 SWAP1 PUSH1 0x1 ADD SWAP1 PUSH3 0xD4 JUMP JUMPDEST POP PUSH3 0xFF SWAP3 SWAP2 POP PUSH3 0x103 JUMP JUMPDEST POP SWAP1 JUMP JUMPDEST PUSH3 0x120 SWAP2 SWAP1 JUMPDEST DUP1 DUP3 GT ISZERO PUSH3 0xFF JUMPI PUSH1 0x0 DUP2 SSTORE PUSH1 0x1 ADD PUSH3 0x10A JUMP JUMPDEST SWAP1 JUMP JUMPDEST PUSH2 0x162B DUP1 PUSH3 0x133 PUSH1 0x0 CODECOPY PUSH1 0x0 RETURN STOP PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0xDA JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x6FDDE03 DUP2 EQ PUSH2 0xDF JUMPI DUP1 PUSH4 0x81812FC EQ PUSH2 0x169 JUMPI DUP1 PUSH4 0x95EA7B3 EQ PUSH2 0x1AA JUMPI DUP1 PUSH4 0x23B872DD EQ PUSH2 0x1DD JUMPI DUP1 PUSH4 0x40C10F19 EQ PUSH2 0x214 JUMPI DUP1 PUSH4 0x42842E0E EQ PUSH2 0x245 JUMPI DUP1 PUSH4 0x6352211E EQ PUSH2 0x27C JUMPI DUP1 PUSH4 0x70A08231 EQ PUSH2 0x294 JUMPI DUP1 PUSH4 0x8DA5CB5B EQ PUSH2 0x2D4 JUMPI DUP1 PUSH4 0x95D89B41 EQ PUSH2 0x2E9 JUMPI DUP1 PUSH4 0x9DC29FAC EQ PUSH2 0x2FE JUMPI DUP1 PUSH4 0xA22CB465 EQ PUSH2 0x32F JUMPI DUP1 PUSH4 0xB88D4FDE EQ PUSH2 0x362 JUMPI DUP1 PUSH4 0xE985E9C5 EQ PUSH2 0x3A8 JUMPI DUP1 PUSH4 0xF2FDE38B EQ PUSH2 0x3F0 JUMPI JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xEB JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xF4 PUSH2 0x41E JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 ADD SWAP1 DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x12E JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x116 JUMP JUMPDEST POP POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x15B JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x175 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x181 PUSH1 0x4 CALLDATALOAD PUSH2 0x4CA JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1B6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x4F2 JUMP JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1E9 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x616 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x220 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x977 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x251 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x985 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x288 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x181 PUSH1 0x4 CALLDATALOAD PUSH2 0xB50 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2A0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0xBE9 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2E0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x181 PUSH2 0xC98 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2F5 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xF4 PUSH2 0xCB4 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x30A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0xD2D JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x33B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD ISZERO ISZERO PUSH2 0xDBD JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x36E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 DUP1 CALLDATALOAD DUP3 AND SWAP2 PUSH1 0x24 DUP1 CALLDATALOAD SWAP1 SWAP2 AND SWAP2 PUSH1 0x44 CALLDATALOAD SWAP2 PUSH1 0x64 CALLDATALOAD SWAP1 DUP2 ADD SWAP2 ADD CALLDATALOAD PUSH2 0xE56 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3B4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x3DC PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0x103A JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3FC JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x1075 JUMP JUMPDEST PUSH1 0x5 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x4C2 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x497 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x4C2 JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x4A5 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP DUP2 JUMP JUMPDEST PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x4FD DUP3 PUSH2 0xB50 JUMP JUMPDEST SWAP1 POP CALLER PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND EQ DUP1 PUSH2 0x528 JUMPI POP PUSH2 0x528 DUP2 CALLER PUSH2 0x103A JUMP JUMPDEST ISZERO ISZERO PUSH2 0x595 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F53454E4445520000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 DUP2 AND SWAP2 DUP3 OR SWAP1 SWAP3 SSTORE SWAP2 MLOAD DUP6 SWAP4 SWAP2 DUP6 AND SWAP2 PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 SWAP2 LOG4 POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP6 AND ISZERO ISZERO PUSH2 0x69E JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F544F5F4144445245535300000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH2 0x6A7 DUP5 PUSH2 0xB50 JUMP JUMPDEST SWAP3 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 DUP2 AND SWAP1 DUP5 AND EQ PUSH2 0x730 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F4F574E45525F4D49534D415443480000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST CALLER SWAP2 POP PUSH2 0x73C DUP5 PUSH2 0x4CA JUMP JUMPDEST SWAP1 POP DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ DUP1 PUSH2 0x77D JUMPI POP PUSH2 0x77D DUP4 DUP4 PUSH2 0x103A JUMP JUMPDEST DUP1 PUSH2 0x7B3 JUMPI POP DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ JUMPDEST ISZERO ISZERO PUSH2 0x820 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F5350454E44455200000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0x871 JUMPI PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND SWAP1 SSTORE JUMPDEST PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP12 DUP2 AND SWAP2 SWAP1 SWAP2 OR SWAP1 SWAP2 SSTORE DUP11 AND DUP5 MSTORE PUSH1 0x3 SWAP1 SWAP2 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD PUSH2 0x8DB SWAP2 PUSH2 0x115B JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP9 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 SWAP4 SWAP1 SWAP4 SSTORE SWAP1 DUP8 AND DUP2 MSTORE KECCAK256 SLOAD PUSH2 0x918 SWAP1 PUSH1 0x1 PUSH2 0x11D2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP8 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 SWAP5 SWAP1 SWAP5 SSTORE SWAP3 MLOAD DUP8 SWAP4 SWAP2 SWAP3 DUP11 AND SWAP2 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP2 LOG4 POP POP POP POP POP POP JUMP JUMPDEST PUSH2 0x981 DUP3 DUP3 PUSH2 0x124D JUMP JUMPDEST POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0x993 DUP6 DUP6 DUP6 PUSH2 0x616 JUMP JUMPDEST DUP4 EXTCODESIZE SWAP2 POP PUSH1 0x0 DUP3 GT ISZERO PUSH2 0xB49 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x150B7A0200000000000000000000000000000000000000000000000000000000 DUP2 MSTORE CALLER PUSH1 0x4 DUP3 ADD MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 DUP2 AND PUSH1 0x24 DUP4 ADD MSTORE PUSH1 0x44 DUP3 ADD DUP7 SWAP1 MSTORE PUSH1 0x80 PUSH1 0x64 DUP4 ADD MSTORE PUSH1 0x0 PUSH1 0x84 DUP4 ADD DUP2 SWAP1 MSTORE SWAP3 MLOAD SWAP1 DUP8 AND SWAP3 PUSH4 0x150B7A02 SWAP3 PUSH1 0xC4 DUP1 DUP3 ADD SWAP4 PUSH1 0x20 SWAP4 SWAP1 SWAP3 DUP4 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 DUP3 SWAP1 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0xA30 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0xA44 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x20 DUP2 LT ISZERO PUSH2 0xA5A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP MLOAD PUSH1 0x40 DUP1 MLOAD PUSH32 0x6F6E455243373231526563656976656428616464726573732C61646472657373 DUP2 MSTORE PUSH32 0x2C75696E743235362C6279746573290000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x2F ADD SWAP1 KECCAK256 SWAP1 SWAP2 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP1 DUP4 AND SWAP2 AND EQ PUSH2 0xB49 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x17 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F53454C4543544F52000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP1 ISZERO ISZERO PUSH2 0xBE3 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F4F574E4552000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND ISZERO ISZERO PUSH2 0xC6F JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F4F574E4552000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD SWAP1 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x6 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x4C2 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x497 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x4C2 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xDB3 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH2 0x981 DUP3 DUP3 PUSH2 0x1425 JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP1 DUP6 MSTORE SWAP1 DUP4 MSTORE SWAP3 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND DUP7 ISZERO ISZERO SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP2 MLOAD SWAP1 DUP2 MSTORE SWAP1 MLOAD SWAP3 SWAP4 SWAP3 PUSH32 0x17307EAB39AB6107E8899845AD3D59BD9653F200F220920489CA2B5937696C31 SWAP3 SWAP2 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0xE64 DUP8 DUP8 DUP8 PUSH2 0x616 JUMP JUMPDEST DUP6 EXTCODESIZE SWAP2 POP PUSH1 0x0 DUP3 GT ISZERO PUSH2 0x1031 JUMPI PUSH1 0x40 MLOAD PUSH32 0x150B7A0200000000000000000000000000000000000000000000000000000000 DUP2 MSTORE CALLER PUSH1 0x4 DUP3 ADD DUP2 DUP2 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP11 DUP2 AND PUSH1 0x24 DUP6 ADD MSTORE PUSH1 0x44 DUP5 ADD DUP10 SWAP1 MSTORE PUSH1 0x80 PUSH1 0x64 DUP6 ADD SWAP1 DUP2 MSTORE PUSH1 0x84 DUP6 ADD DUP9 SWAP1 MSTORE SWAP1 DUP11 AND SWAP4 PUSH4 0x150B7A02 SWAP4 SWAP3 DUP13 SWAP3 DUP12 SWAP3 DUP12 SWAP3 DUP12 SWAP3 SWAP1 SWAP2 PUSH1 0xA4 ADD DUP5 DUP5 DUP1 DUP3 DUP5 CALLDATACOPY DUP3 ADD SWAP2 POP POP SWAP7 POP POP POP POP POP POP POP PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0xF18 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0xF2C JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x20 DUP2 LT ISZERO PUSH2 0xF42 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP MLOAD PUSH1 0x40 DUP1 MLOAD PUSH32 0x6F6E455243373231526563656976656428616464726573732C61646472657373 DUP2 MSTORE PUSH32 0x2C75696E743235362C6279746573290000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x2F ADD SWAP1 KECCAK256 SWAP1 SWAP2 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP1 DUP4 AND SWAP2 AND EQ PUSH2 0x1031 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x17 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F53454C4543544F52000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP POP POP POP POP POP POP JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP2 DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP4 SWAP1 SWAP5 AND DUP3 MSTORE SWAP2 SWAP1 SWAP2 MSTORE KECCAK256 SLOAD PUSH1 0xFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x10FB JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0x1158 JUMPI PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND OR SWAP1 SSTORE JUMPDEST POP JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 GT ISZERO PUSH2 0x11CC JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F554E444552464C4F57000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP SWAP1 SUB SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 ADD DUP4 DUP2 LT ISZERO PUSH2 0x1246 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND ISZERO ISZERO PUSH2 0x12D3 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F544F5F4144445245535300000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP1 ISZERO PUSH2 0x1366 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1B PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F4F574E45525F414C52454144595F4558495354530000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP10 AND SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP5 MSTORE PUSH1 0x3 SWAP1 SWAP2 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD PUSH2 0x13CC SWAP2 PUSH2 0x11D2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 SWAP4 SWAP1 SWAP4 SSTORE SWAP2 MLOAD DUP5 SWAP3 SWAP1 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP1 DUP3 SWAP1 LOG4 POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND ISZERO ISZERO PUSH2 0x14AB JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x19 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F4F574E45525F4144445245535300000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 DUP2 AND SWAP1 DUP4 AND DUP2 EQ PUSH2 0x1543 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F4F574E45525F4D49534D415443480000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND SWAP1 SSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP5 MSTORE PUSH1 0x3 SWAP1 SWAP2 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD PUSH2 0x15A5 SWAP2 PUSH2 0x115B JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 SWAP4 SWAP1 SWAP4 SSTORE SWAP2 MLOAD DUP5 SWAP3 SWAP2 SWAP1 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP1 DUP4 SWAP1 LOG4 POP POP POP JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 0xb4 CREATE 0xe9 SWAP3 RETURNDATASIZE 0xf6 DUP2 0xb3 SWAP13 PUSH22 0xC35907B3B53E3D18D5D27A56215BE103C035936A9E0 STOP 0x29 ", - "sourceMap": "743:1013:51:-;;;866:139;8:9:-1;5:2;;;30:1;27;20:12;5:2;866:139:51;;;;;;;;;;;;;;;;;;;;;162:5:63;:18;;-1:-1:-1;;;;;;162:18:63;170:10;162:18;;;866:139:51;;;960:12;;866:139;;;;;;;960:12;;:4;;:12;;;;;:::i;:::-;-1:-1:-1;982:16:51;;;;:6;;:16;;;;;:::i;:::-;;866:139;;743:1013;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;743:1013:51;;;-1:-1:-1;743:1013:51;:::i;:::-;;;:::o;:::-;;;;;;;;;;;;;;;;;;;;:::o;:::-;;;;;;;" - }, - "deployedBytecode": { - "linkReferences": {}, - "object": 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- "opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0xDA JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x6FDDE03 DUP2 EQ PUSH2 0xDF JUMPI DUP1 PUSH4 0x81812FC EQ PUSH2 0x169 JUMPI DUP1 PUSH4 0x95EA7B3 EQ PUSH2 0x1AA JUMPI DUP1 PUSH4 0x23B872DD EQ PUSH2 0x1DD JUMPI DUP1 PUSH4 0x40C10F19 EQ PUSH2 0x214 JUMPI DUP1 PUSH4 0x42842E0E EQ PUSH2 0x245 JUMPI DUP1 PUSH4 0x6352211E EQ PUSH2 0x27C JUMPI DUP1 PUSH4 0x70A08231 EQ PUSH2 0x294 JUMPI DUP1 PUSH4 0x8DA5CB5B EQ PUSH2 0x2D4 JUMPI DUP1 PUSH4 0x95D89B41 EQ PUSH2 0x2E9 JUMPI DUP1 PUSH4 0x9DC29FAC EQ PUSH2 0x2FE JUMPI DUP1 PUSH4 0xA22CB465 EQ PUSH2 0x32F JUMPI DUP1 PUSH4 0xB88D4FDE EQ PUSH2 0x362 JUMPI DUP1 PUSH4 0xE985E9C5 EQ PUSH2 0x3A8 JUMPI DUP1 PUSH4 0xF2FDE38B EQ PUSH2 0x3F0 JUMPI JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xEB JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xF4 PUSH2 0x41E JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 ADD SWAP1 DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x12E JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x116 JUMP JUMPDEST POP POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x15B JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x175 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x181 PUSH1 0x4 CALLDATALOAD PUSH2 0x4CA JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1B6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x4F2 JUMP JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1E9 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x616 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x220 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x977 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x251 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x985 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x288 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x181 PUSH1 0x4 CALLDATALOAD PUSH2 0xB50 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2A0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0xBE9 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2E0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x181 PUSH2 0xC98 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2F5 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xF4 PUSH2 0xCB4 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x30A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0xD2D JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x33B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD ISZERO ISZERO PUSH2 0xDBD JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x36E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 DUP1 CALLDATALOAD DUP3 AND SWAP2 PUSH1 0x24 DUP1 CALLDATALOAD SWAP1 SWAP2 AND SWAP2 PUSH1 0x44 CALLDATALOAD SWAP2 PUSH1 0x64 CALLDATALOAD SWAP1 DUP2 ADD SWAP2 ADD CALLDATALOAD PUSH2 0xE56 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3B4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x3DC PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0x103A JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3FC JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x1075 JUMP JUMPDEST PUSH1 0x5 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x4C2 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x497 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x4C2 JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x4A5 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP DUP2 JUMP JUMPDEST PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x4FD DUP3 PUSH2 0xB50 JUMP JUMPDEST SWAP1 POP CALLER PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND EQ DUP1 PUSH2 0x528 JUMPI POP PUSH2 0x528 DUP2 CALLER PUSH2 0x103A JUMP JUMPDEST ISZERO ISZERO PUSH2 0x595 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F53454E4445520000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 DUP2 AND SWAP2 DUP3 OR SWAP1 SWAP3 SSTORE SWAP2 MLOAD DUP6 SWAP4 SWAP2 DUP6 AND SWAP2 PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 SWAP2 LOG4 POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP6 AND ISZERO ISZERO PUSH2 0x69E JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F544F5F4144445245535300000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH2 0x6A7 DUP5 PUSH2 0xB50 JUMP JUMPDEST SWAP3 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 DUP2 AND SWAP1 DUP5 AND EQ PUSH2 0x730 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F4F574E45525F4D49534D415443480000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST CALLER SWAP2 POP PUSH2 0x73C DUP5 PUSH2 0x4CA JUMP JUMPDEST SWAP1 POP DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ DUP1 PUSH2 0x77D JUMPI POP PUSH2 0x77D DUP4 DUP4 PUSH2 0x103A JUMP JUMPDEST DUP1 PUSH2 0x7B3 JUMPI POP DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ JUMPDEST ISZERO ISZERO PUSH2 0x820 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F5350454E44455200000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0x871 JUMPI PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND SWAP1 SSTORE JUMPDEST PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP12 DUP2 AND SWAP2 SWAP1 SWAP2 OR SWAP1 SWAP2 SSTORE DUP11 AND DUP5 MSTORE PUSH1 0x3 SWAP1 SWAP2 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD PUSH2 0x8DB SWAP2 PUSH2 0x115B JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP9 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 SWAP4 SWAP1 SWAP4 SSTORE SWAP1 DUP8 AND DUP2 MSTORE KECCAK256 SLOAD PUSH2 0x918 SWAP1 PUSH1 0x1 PUSH2 0x11D2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP8 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 SWAP5 SWAP1 SWAP5 SSTORE SWAP3 MLOAD DUP8 SWAP4 SWAP2 SWAP3 DUP11 AND SWAP2 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP2 LOG4 POP POP POP POP POP POP JUMP JUMPDEST PUSH2 0x981 DUP3 DUP3 PUSH2 0x124D JUMP JUMPDEST POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0x993 DUP6 DUP6 DUP6 PUSH2 0x616 JUMP JUMPDEST DUP4 EXTCODESIZE SWAP2 POP PUSH1 0x0 DUP3 GT ISZERO PUSH2 0xB49 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x150B7A0200000000000000000000000000000000000000000000000000000000 DUP2 MSTORE CALLER PUSH1 0x4 DUP3 ADD MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 DUP2 AND PUSH1 0x24 DUP4 ADD MSTORE PUSH1 0x44 DUP3 ADD DUP7 SWAP1 MSTORE PUSH1 0x80 PUSH1 0x64 DUP4 ADD MSTORE PUSH1 0x0 PUSH1 0x84 DUP4 ADD DUP2 SWAP1 MSTORE SWAP3 MLOAD SWAP1 DUP8 AND SWAP3 PUSH4 0x150B7A02 SWAP3 PUSH1 0xC4 DUP1 DUP3 ADD SWAP4 PUSH1 0x20 SWAP4 SWAP1 SWAP3 DUP4 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 DUP3 SWAP1 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0xA30 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0xA44 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x20 DUP2 LT ISZERO PUSH2 0xA5A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP MLOAD PUSH1 0x40 DUP1 MLOAD PUSH32 0x6F6E455243373231526563656976656428616464726573732C61646472657373 DUP2 MSTORE PUSH32 0x2C75696E743235362C6279746573290000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x2F ADD SWAP1 KECCAK256 SWAP1 SWAP2 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP1 DUP4 AND SWAP2 AND EQ PUSH2 0xB49 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x17 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F53454C4543544F52000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP1 ISZERO ISZERO PUSH2 0xBE3 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F4F574E4552000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND ISZERO ISZERO PUSH2 0xC6F JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F4F574E4552000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD SWAP1 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x6 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x4C2 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x497 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x4C2 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xDB3 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH2 0x981 DUP3 DUP3 PUSH2 0x1425 JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP1 DUP6 MSTORE SWAP1 DUP4 MSTORE SWAP3 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND DUP7 ISZERO ISZERO SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP2 MLOAD SWAP1 DUP2 MSTORE SWAP1 MLOAD SWAP3 SWAP4 SWAP3 PUSH32 0x17307EAB39AB6107E8899845AD3D59BD9653F200F220920489CA2B5937696C31 SWAP3 SWAP2 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0xE64 DUP8 DUP8 DUP8 PUSH2 0x616 JUMP JUMPDEST DUP6 EXTCODESIZE SWAP2 POP PUSH1 0x0 DUP3 GT ISZERO PUSH2 0x1031 JUMPI PUSH1 0x40 MLOAD PUSH32 0x150B7A0200000000000000000000000000000000000000000000000000000000 DUP2 MSTORE CALLER PUSH1 0x4 DUP3 ADD DUP2 DUP2 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP11 DUP2 AND PUSH1 0x24 DUP6 ADD MSTORE PUSH1 0x44 DUP5 ADD DUP10 SWAP1 MSTORE PUSH1 0x80 PUSH1 0x64 DUP6 ADD SWAP1 DUP2 MSTORE PUSH1 0x84 DUP6 ADD DUP9 SWAP1 MSTORE SWAP1 DUP11 AND SWAP4 PUSH4 0x150B7A02 SWAP4 SWAP3 DUP13 SWAP3 DUP12 SWAP3 DUP12 SWAP3 DUP12 SWAP3 SWAP1 SWAP2 PUSH1 0xA4 ADD DUP5 DUP5 DUP1 DUP3 DUP5 CALLDATACOPY DUP3 ADD SWAP2 POP POP SWAP7 POP POP POP POP POP POP POP PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0xF18 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0xF2C JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x20 DUP2 LT ISZERO PUSH2 0xF42 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP MLOAD PUSH1 0x40 DUP1 MLOAD PUSH32 0x6F6E455243373231526563656976656428616464726573732C61646472657373 DUP2 MSTORE PUSH32 0x2C75696E743235362C6279746573290000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x2F ADD SWAP1 KECCAK256 SWAP1 SWAP2 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP1 DUP4 AND SWAP2 AND EQ PUSH2 0x1031 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x17 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F53454C4543544F52000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP POP POP POP POP POP POP JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP2 DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP4 SWAP1 SWAP5 AND DUP3 MSTORE SWAP2 SWAP1 SWAP2 MSTORE KECCAK256 SLOAD PUSH1 0xFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x10FB JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0x1158 JUMPI PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND OR SWAP1 SSTORE JUMPDEST POP JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 GT ISZERO PUSH2 0x11CC JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F554E444552464C4F57000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP SWAP1 SUB SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 ADD DUP4 DUP2 LT ISZERO PUSH2 0x1246 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND ISZERO ISZERO PUSH2 0x12D3 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F544F5F4144445245535300000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP1 ISZERO PUSH2 0x1366 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1B PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F4F574E45525F414C52454144595F4558495354530000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP10 AND SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP5 MSTORE PUSH1 0x3 SWAP1 SWAP2 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD PUSH2 0x13CC SWAP2 PUSH2 0x11D2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 SWAP4 SWAP1 SWAP4 SSTORE SWAP2 MLOAD DUP5 SWAP3 SWAP1 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP1 DUP3 SWAP1 LOG4 POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND ISZERO ISZERO PUSH2 0x14AB JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x19 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F4F574E45525F4144445245535300000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 DUP2 AND SWAP1 DUP4 AND DUP2 EQ PUSH2 0x1543 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F4F574E45525F4D49534D415443480000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND SWAP1 SSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP5 MSTORE PUSH1 0x3 SWAP1 SWAP2 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD PUSH2 0x15A5 SWAP2 PUSH2 0x115B JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 SWAP4 SWAP1 SWAP4 SSTORE SWAP2 MLOAD DUP5 SWAP3 SWAP2 SWAP1 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP1 DUP4 SWAP1 LOG4 POP POP POP JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 0xb4 CREATE 0xe9 SWAP3 RETURNDATASIZE 0xf6 DUP2 0xb3 SWAP13 PUSH22 0xC35907B3B53E3D18D5D27A56215BE103C035936A9E0 STOP 0x29 ", - "sourceMap": 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- } - } - }, - "sources": { - "2.0.0/extensions/Forwarder/Forwarder.sol": { - "id": 0 - }, - "2.0.0/extensions/Forwarder/MixinAssets.sol": { - "id": 1 - }, - "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": { - "id": 2 - }, - "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": { - "id": 3 - }, - "2.0.0/extensions/Forwarder/MixinWeth.sol": { - "id": 4 - }, - "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": { - "id": 5 - }, - "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": { - "id": 6 - }, - "2.0.0/extensions/Forwarder/libs/LibConstants.sol": { - "id": 7 - }, - "2.0.0/extensions/Forwarder/mixins/MAssets.sol": { - "id": 8 - }, - "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": { - "id": 9 - }, - "2.0.0/extensions/Forwarder/mixins/MWeth.sol": { - "id": 10 - }, - "2.0.0/extensions/OrderValidator/OrderValidator.sol": { - "id": 11 - }, - "2.0.0/multisig/MultiSigWallet.sol": { - "id": 12 - }, - "2.0.0/multisig/MultiSigWalletWithTimeLock.sol": { - "id": 13 - }, - "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": { - "id": 14 - }, - "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": { - "id": 15 - }, - "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": { - "id": 16 - }, - "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": { - "id": 17 - }, - "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": { - "id": 18 - }, - "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": { - "id": 19 - }, - "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": { - "id": 20 - }, - "2.0.0/protocol/Exchange/Exchange.sol": { - "id": 21 - }, - "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": { - "id": 22 - }, - "2.0.0/protocol/Exchange/MixinExchangeCore.sol": { - "id": 23 - }, - "2.0.0/protocol/Exchange/MixinMatchOrders.sol": { - "id": 24 - }, - "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": { - "id": 25 - }, - "2.0.0/protocol/Exchange/MixinTransactions.sol": { - "id": 26 - }, - "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": { - "id": 27 - }, - "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": { - "id": 28 - }, - "2.0.0/protocol/Exchange/interfaces/IExchange.sol": { - "id": 29 - }, - "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": { - "id": 30 - }, - "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": { - "id": 31 - }, - "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": { - "id": 32 - }, - "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": { - "id": 33 - }, - "2.0.0/protocol/Exchange/interfaces/IValidator.sol": { - "id": 34 - }, - "2.0.0/protocol/Exchange/interfaces/IWallet.sol": { - "id": 35 - }, - "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": { - "id": 36 - }, - "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": { - "id": 37 - }, - "2.0.0/protocol/Exchange/libs/LibConstants.sol": { - "id": 38 - }, - "2.0.0/protocol/Exchange/libs/LibEIP712.sol": { - "id": 39 - }, - "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": { - "id": 40 - }, - "2.0.0/protocol/Exchange/libs/LibFillResults.sol": { - "id": 41 - }, - "2.0.0/protocol/Exchange/libs/LibMath.sol": { - "id": 42 - }, - "2.0.0/protocol/Exchange/libs/LibOrder.sol": { - "id": 43 - }, - "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": { - "id": 44 - }, - "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": { - "id": 45 - }, - "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": { - "id": 46 - }, - "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": { - "id": 47 - }, - "2.0.0/protocol/Exchange/mixins/MTransactions.sol": { - "id": 48 - }, - "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": { - "id": 49 - }, - "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": { - "id": 50 - }, - "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": { - "id": 51 - }, - "2.0.0/tokens/ERC20Token/ERC20Token.sol": { - "id": 52 - }, - "2.0.0/tokens/ERC20Token/IERC20Token.sol": { - "id": 53 - }, - "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": { - "id": 54 - }, - "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": { - "id": 55 - }, - "2.0.0/tokens/ERC721Token/ERC721Token.sol": { - "id": 56 - }, - "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": { - "id": 57 - }, - "2.0.0/tokens/ERC721Token/IERC721Token.sol": { - "id": 58 - }, - "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": { - "id": 59 - }, - "2.0.0/tokens/EtherToken/IEtherToken.sol": { - "id": 60 - }, - "2.0.0/utils/LibBytes/LibBytes.sol": { - "id": 61 - }, - "2.0.0/utils/Ownable/IOwnable.sol": { - "id": 62 - }, - "2.0.0/utils/Ownable/Ownable.sol": { - "id": 63 - }, - "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": { - "id": 64 - }, - "2.0.0/utils/SafeMath/SafeMath.sol": { - "id": 65 - } - }, - "sourceCodes": { - "2.0.0/extensions/Forwarder/Forwarder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinWeth.sol\";\nimport \"./MixinForwarderCore.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinAssets.sol\";\nimport \"./MixinExchangeWrapper.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Forwarder is\n LibConstants,\n MixinWeth,\n MixinAssets,\n MixinExchangeWrapper,\n MixinForwarderCore\n{\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n LibConstants(\n _exchange,\n _zrxAssetData,\n _wethAssetData\n )\n MixinForwarderCore()\n {}\n}\n", - "2.0.0/extensions/Forwarder/MixinAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MAssets.sol\";\n\n\ncontract MixinAssets is\n Ownable,\n LibConstants,\n MAssets\n{\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256(\"transfer(address,uint256)\"));\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external\n onlyOwner\n {\n transferAssetToSender(assetData, amount);\n }\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n bytes4 proxyId = assetData.readBytes4(0);\n\n if (proxyId == ERC20_DATA_ID) {\n transferERC20Token(assetData, amount);\n } else if (proxyId == ERC721_DATA_ID) {\n transferERC721Token(assetData, amount);\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n }\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n address token = assetData.readAddress(16);\n\n // Transfer tokens.\n // We do a raw call so we can check the success separate\n // from the return data.\n bool success = token.call(abi.encodeWithSelector(\n ERC20_TRANSFER_SELECTOR,\n msg.sender,\n amount\n ));\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n \n // Check return data.\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // value that evaluates to true.\n assembly {\n if returndatasize {\n success := 0\n if eq(returndatasize, 32) {\n // First 64 bytes of memory are reserved scratch space\n returndatacopy(0, 0, 32)\n success := mload(0)\n }\n }\n }\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n }\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n require(\n amount == 1,\n \"INVALID_AMOUNT\"\n );\n // Decode asset data.\n address token = assetData.readAddress(16);\n uint256 tokenId = assetData.readUint256(36);\n\n // Perform transfer.\n IERC721Token(token).transferFrom(\n address(this),\n msg.sender,\n tokenId\n );\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"../../protocol/Exchange/libs/LibAbiEncoder.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinExchangeWrapper is\n LibAbiEncoder,\n LibFillResults,\n LibMath,\n LibConstants,\n MExchangeWrapper\n{\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n address exchange = address(EXCHANGE);\n\n // Call `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := call(\n gas, // forward all gas\n exchange, // call address of Exchange contract\n 0, // transfer 0 wei\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of WETH to sell\n uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of WETH\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount;\n if (makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n\n require(\n makerAssetFilledAmount >= makerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n // Do nothing if zrxBuyAmount == 0\n if (zrxBuyAmount == 0) {\n return totalFillResults;\n }\n\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n uint256 zrxPurchased = 0;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // All of these are ZRX/WETH, so we can drop the respective assetData from calldata.\n orders[i].makerAssetData = zrxAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of ZRX to buy.\n uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased);\n\n // Convert the remaining amount of ZRX to buy into remaining amount\n // of WETH to sell, assuming entire amount can be sold in the current order.\n uint256 remainingWethSellAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees \n remainingZrxBuyAmount\n );\n\n // Attempt to sell the remaining amount of WETH.\n FillResults memory singleFillResult = fillOrderNoThrow(\n orders[i],\n safeAdd(remainingWethSellAmount, 1), // we add 1 wei to the fill amount to make up for rounding errors\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker.\n addFillResults(totalFillResults, singleFillResult);\n zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid);\n\n // Stop execution if the entire amount of ZRX has been bought.\n if (zrxPurchased >= zrxBuyAmount) {\n break;\n }\n }\n\n require(\n zrxPurchased >= zrxBuyAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\nimport \"./mixins/MAssets.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"./interfaces/IForwarderCore.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinForwarderCore is\n LibFillResults,\n LibMath,\n LibConstants,\n MWeth,\n MAssets,\n MExchangeWrapper,\n IForwarderCore\n{\n using LibBytes for bytes;\n\n /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf.\n constructor ()\n public\n {\n address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID);\n require(\n proxyAddress != address(0),\n \"UNREGISTERED_ASSET_PROXY\"\n );\n ETHER_TOKEN.approve(proxyAddress, MAX_UINT);\n ZRX_TOKEN.approve(proxyAddress, MAX_UINT);\n }\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 wethSellAmount;\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // Calculate amount of WETH that won't be spent on ETH fees.\n wethSellAmount = getPartialAmountFloor(\n PERCENTAGE_DENOMINATOR,\n safeAdd(PERCENTAGE_DENOMINATOR, feePercentage),\n msg.value\n );\n // Market sell available WETH.\n // ZRX fees are paid with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // 5% of WETH is reserved for filling feeOrders and paying feeRecipient.\n wethSellAmount = getPartialAmountFloor(\n MAX_WETH_FILL_PERCENTAGE,\n PERCENTAGE_DENOMINATOR,\n msg.value\n );\n // Market sell 95% of WETH.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // If the makerAsset is ZRX, it is not necessary to pay fees out of this\n // contracts's ZRX balance because fees are factored into the price of the order.\n orderFillResults = marketBuyExactZrxWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // Attemp to purchase desired amount of makerAsset.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketBuyExactAmountWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\n\n\ncontract MixinWeth is\n LibMath,\n LibConstants,\n MWeth\n{\n /// @dev Default payabale function, this allows us to withdraw WETH\n function ()\n public\n payable\n {\n require(\n msg.sender == address(ETHER_TOKEN),\n \"DEFAULT_FUNCTION_WETH_CONTRACT_ONLY\"\n );\n }\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal\n {\n require(\n msg.value > 0,\n \"INVALID_MSG_VALUE\"\n );\n ETHER_TOKEN.deposit.value(msg.value)();\n }\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal\n {\n // Ensure feePercentage is less than 5%.\n require(\n feePercentage <= MAX_FEE_PERCENTAGE,\n \"FEE_PERCENTAGE_TOO_LARGE\"\n );\n\n // Ensure that no extra WETH owned by this contract has been sold.\n uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx);\n require(\n wethSold <= msg.value,\n \"OVERSOLD_WETH\"\n );\n\n // Calculate amount of WETH that hasn't been sold.\n uint256 wethRemaining = safeSub(msg.value, wethSold);\n\n // Calculate ETH fee to pay to feeRecipient.\n uint256 ethFee = getPartialAmountFloor(\n feePercentage,\n PERCENTAGE_DENOMINATOR,\n wethSoldExcludingFeeOrders\n );\n\n // Ensure fee is less than amount of WETH remaining.\n require(\n ethFee <= wethRemaining,\n \"INSUFFICIENT_ETH_REMAINING\"\n );\n \n // Do nothing if no WETH remaining\n if (wethRemaining > 0) {\n // Convert remaining WETH to ETH\n ETHER_TOKEN.withdraw(wethRemaining);\n\n // Pay ETH to feeRecipient\n if (ethFee > 0) {\n feeRecipient.transfer(ethFee);\n }\n\n // Refund remaining ETH to msg.sender.\n uint256 ethRefund = safeSub(wethRemaining, ethFee);\n if (ethRefund > 0) {\n msg.sender.transfer(ethRefund);\n }\n }\n }\n}\n", - "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssets {\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external;\n}\n", - "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract IForwarderCore {\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n}\n", - "2.0.0/extensions/Forwarder/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/LibBytes/LibBytes.sol\";\nimport \"../../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../../tokens/EtherToken/IEtherToken.sol\";\nimport \"../../../tokens/ERC20Token/IERC20Token.sol\";\n\n\ncontract LibConstants {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n uint256 constant internal MAX_UINT = 2**256 - 1;\n uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; \n uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5%\n uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95%\n \n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n IEtherToken internal ETHER_TOKEN;\n IERC20Token internal ZRX_TOKEN;\n bytes internal ZRX_ASSET_DATA;\n bytes internal WETH_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n WETH_ASSET_DATA = _wethAssetData;\n\n address etherToken = _wethAssetData.readAddress(16);\n address zrxToken = _zrxAssetData.readAddress(16);\n ETHER_TOKEN = IEtherToken(etherToken);\n ZRX_TOKEN = IERC20Token(zrxToken);\n }\n}\n", - "2.0.0/extensions/Forwarder/mixins/MAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssets.sol\";\n\n\ncontract MAssets is\n IAssets\n{\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n}\n", - "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract MExchangeWrapper {\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n}\n", - "2.0.0/extensions/Forwarder/mixins/MWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract MWeth {\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal;\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal;\n}\n", - "2.0.0/extensions/OrderValidator/OrderValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract OrderValidator {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n struct TraderInfo {\n uint256 makerBalance; // Maker's balance of makerAsset\n uint256 makerAllowance; // Maker's allowance to corresponding AssetProxy\n uint256 takerBalance; // Taker's balance of takerAsset\n uint256 takerAllowance; // Taker's allowance to corresponding AssetProxy\n uint256 makerZrxBalance; // Maker's balance of ZRX\n uint256 makerZrxAllowance; // Maker's allowance of ZRX to ERC20Proxy\n uint256 takerZrxBalance; // Taker's balance of ZRX\n uint256 takerZrxAllowance; // Taker's allowance of ZRX to ERC20Proxy\n }\n\n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n bytes internal ZRX_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (address _exchange, bytes memory _zrxAssetData)\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n }\n\n /// @dev Fetches information for order and maker/taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return OrderInfo and TraderInfo instances for given order.\n function getOrderAndTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo, TraderInfo memory traderInfo)\n {\n orderInfo = EXCHANGE.getOrderInfo(order);\n traderInfo = getTraderInfo(order, takerAddress);\n return (orderInfo, traderInfo);\n }\n\n /// @dev Fetches information for all passed in orders and the makers/takers of each order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Arrays of OrderInfo and TraderInfo instances that correspond to each order.\n function getOrdersAndTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (LibOrder.OrderInfo[] memory ordersInfo, TraderInfo[] memory tradersInfo)\n {\n ordersInfo = EXCHANGE.getOrdersInfo(orders);\n tradersInfo = getTradersInfo(orders, takerAddresses);\n return (ordersInfo, tradersInfo);\n }\n\n /// @dev Fetches balance and allowances for maker and taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return Balances and allowances of maker and taker of order.\n function getTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (TraderInfo memory traderInfo)\n {\n (traderInfo.makerBalance, traderInfo.makerAllowance) = getBalanceAndAllowance(order.makerAddress, order.makerAssetData);\n (traderInfo.takerBalance, traderInfo.takerAllowance) = getBalanceAndAllowance(takerAddress, order.takerAssetData);\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n (traderInfo.makerZrxBalance, traderInfo.makerZrxAllowance) = getBalanceAndAllowance(order.makerAddress, zrxAssetData);\n (traderInfo.takerZrxBalance, traderInfo.takerZrxAllowance) = getBalanceAndAllowance(takerAddress, zrxAssetData);\n return traderInfo;\n }\n\n /// @dev Fetches balances and allowances of maker and taker for each provided order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Array of balances and allowances for maker and taker of each order.\n function getTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (TraderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n TraderInfo[] memory tradersInfo = new TraderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n tradersInfo[i] = getTraderInfo(orders[i], takerAddresses[i]);\n }\n return tradersInfo;\n }\n\n /// @dev Fetches token balances and allowances of an address to given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Encoded data that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balance of asset and allowance set to given proxy of asset.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalanceAndAllowance(address target, bytes memory assetData)\n public\n view\n returns (uint256 balance, uint256 allowance)\n {\n bytes4 assetProxyId = assetData.readBytes4(0);\n address token = assetData.readAddress(16);\n address assetProxy = EXCHANGE.getAssetProxy(assetProxyId);\n\n if (assetProxyId == ERC20_DATA_ID) {\n // Query balance\n balance = IERC20Token(token).balanceOf(target);\n\n // Query allowance\n allowance = IERC20Token(token).allowance(target, assetProxy);\n } else if (assetProxyId == ERC721_DATA_ID) {\n uint256 tokenId = assetData.readUint256(36);\n\n // Query owner of tokenId\n address owner = getERC721TokenOwner(token, tokenId);\n\n // Set balance to 1 if tokenId is owned by target\n balance = target == owner ? 1 : 0;\n\n // Check if ERC721Proxy is approved to spend tokenId\n bool isApproved = IERC721Token(token).isApprovedForAll(target, assetProxy) || IERC721Token(token).getApproved(tokenId) == assetProxy;\n \n // Set alowance to 1 if ERC721Proxy is approved to spend tokenId\n allowance = isApproved ? 1 : 0;\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n return (balance, allowance);\n }\n\n /// @dev Fetches token balances and allowances of an address for each given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Array of encoded byte arrays that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balances and allowances of assets.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalancesAndAllowances(address target, bytes[] memory assetData)\n public\n view\n returns (uint256[] memory, uint256[] memory)\n {\n uint256 length = assetData.length;\n uint256[] memory balances = new uint256[](length);\n uint256[] memory allowances = new uint256[](length);\n for (uint256 i = 0; i != length; i++) {\n (balances[i], allowances[i]) = getBalanceAndAllowance(target, assetData[i]);\n }\n return (balances, allowances);\n }\n\n /// @dev Calls `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token.\n /// @param token Address of ERC721 token.\n /// @param tokenId The identifier for the specific NFT.\n /// @return Owner of tokenId or null address if unowned.\n function getERC721TokenOwner(address token, uint256 tokenId)\n public\n view\n returns (address owner)\n {\n assembly {\n // load free memory pointer\n let cdStart := mload(64)\n\n // bytes4(keccak256(ownerOf(uint256))) = 0x6352211e\n mstore(cdStart, 0x6352211e00000000000000000000000000000000000000000000000000000000)\n mstore(add(cdStart, 4), tokenId)\n\n // staticcall `ownerOf(tokenId)`\n // `ownerOf` will revert if tokenId is not owned\n let success := staticcall(\n gas, // forward all gas\n token, // call token contract\n cdStart, // start of calldata\n 36, // length of input is 36 bytes\n cdStart, // write output over input\n 32 // size of output is 32 bytes\n )\n\n // Success implies that tokenId is owned\n // Copy owner from return data if successful\n if success {\n owner := mload(cdStart)\n } \n }\n\n // Owner initialized to address(0), no need to modify if call is unsuccessful\n return owner;\n }\n}\n", - "2.0.0/multisig/MultiSigWallet.sol": "// solhint-disable\npragma solidity ^0.4.15;\n\n\n/// @title Multisignature wallet - Allows multiple parties to agree on transactions before execution.\n/// @author Stefan George - \ncontract MultiSigWallet {\n\n /*\n * Events\n */\n event Confirmation(address indexed sender, uint indexed transactionId);\n event Revocation(address indexed sender, uint indexed transactionId);\n event Submission(uint indexed transactionId);\n event Execution(uint indexed transactionId);\n event ExecutionFailure(uint indexed transactionId);\n event Deposit(address indexed sender, uint value);\n event OwnerAddition(address indexed owner);\n event OwnerRemoval(address indexed owner);\n event RequirementChange(uint required);\n\n /*\n * Constants\n */\n uint constant public MAX_OWNER_COUNT = 50;\n\n /*\n * Storage\n */\n mapping (uint => Transaction) public transactions;\n mapping (uint => mapping (address => bool)) public confirmations;\n mapping (address => bool) public isOwner;\n address[] public owners;\n uint public required;\n uint public transactionCount;\n\n struct Transaction {\n address destination;\n uint value;\n bytes data;\n bool executed;\n }\n\n /*\n * Modifiers\n */\n modifier onlyWallet() {\n require(msg.sender == address(this));\n _;\n }\n\n modifier ownerDoesNotExist(address owner) {\n require(!isOwner[owner]);\n _;\n }\n\n modifier ownerExists(address owner) {\n require(isOwner[owner]);\n _;\n }\n\n modifier transactionExists(uint transactionId) {\n require(transactions[transactionId].destination != 0);\n _;\n }\n\n modifier confirmed(uint transactionId, address owner) {\n require(confirmations[transactionId][owner]);\n _;\n }\n\n modifier notConfirmed(uint transactionId, address owner) {\n require(!confirmations[transactionId][owner]);\n _;\n }\n\n modifier notExecuted(uint transactionId) {\n require(!transactions[transactionId].executed);\n _;\n }\n\n modifier notNull(address _address) {\n require(_address != 0);\n _;\n }\n\n modifier validRequirement(uint ownerCount, uint _required) {\n require(ownerCount <= MAX_OWNER_COUNT\n && _required <= ownerCount\n && _required != 0\n && ownerCount != 0);\n _;\n }\n\n /// @dev Fallback function allows to deposit ether.\n function()\n payable\n {\n if (msg.value > 0)\n Deposit(msg.sender, msg.value);\n }\n\n /*\n * Public functions\n */\n /// @dev Contract constructor sets initial owners and required number of confirmations.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n function MultiSigWallet(address[] _owners, uint _required)\n public\n validRequirement(_owners.length, _required)\n {\n for (uint i=0; i<_owners.length; i++) {\n require(!isOwner[_owners[i]] && _owners[i] != 0);\n isOwner[_owners[i]] = true;\n }\n owners = _owners;\n required = _required;\n }\n\n /// @dev Allows to add a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of new owner.\n function addOwner(address owner)\n public\n onlyWallet\n ownerDoesNotExist(owner)\n notNull(owner)\n validRequirement(owners.length + 1, required)\n {\n isOwner[owner] = true;\n owners.push(owner);\n OwnerAddition(owner);\n }\n\n /// @dev Allows to remove an owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner.\n function removeOwner(address owner)\n public\n onlyWallet\n ownerExists(owner)\n {\n isOwner[owner] = false;\n for (uint i=0; i owners.length)\n changeRequirement(owners.length);\n OwnerRemoval(owner);\n }\n\n /// @dev Allows to replace an owner with a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner to be replaced.\n /// @param newOwner Address of new owner.\n function replaceOwner(address owner, address newOwner)\n public\n onlyWallet\n ownerExists(owner)\n ownerDoesNotExist(newOwner)\n {\n for (uint i=0; i\n// solhint-disable not-rely-on-time\ncontract MultiSigWalletWithTimeLock is\n MultiSigWallet\n{\n event ConfirmationTimeSet(uint256 indexed transactionId, uint256 confirmationTime);\n event TimeLockChange(uint256 secondsTimeLocked);\n\n uint256 public secondsTimeLocked;\n\n mapping (uint256 => uint256) public confirmationTimes;\n\n modifier notFullyConfirmed(uint256 transactionId) {\n require(\n !isConfirmed(transactionId),\n \"TX_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier fullyConfirmed(uint256 transactionId) {\n require(\n isConfirmed(transactionId),\n \"TX_NOT_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier pastTimeLock(uint256 transactionId) {\n require(\n block.timestamp >= confirmationTimes[transactionId] + secondsTimeLocked,\n \"TIME_LOCK_INCOMPLETE\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations, and time lock.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] _owners,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWallet(_owners, _required)\n {\n secondsTimeLocked = _secondsTimeLocked;\n }\n\n /// @dev Changes the duration of the time lock for transactions.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n function changeTimeLock(uint256 _secondsTimeLocked)\n public\n onlyWallet\n {\n secondsTimeLocked = _secondsTimeLocked;\n emit TimeLockChange(_secondsTimeLocked);\n }\n\n /// @dev Allows an owner to confirm a transaction.\n /// @param transactionId Transaction ID.\n function confirmTransaction(uint256 transactionId)\n public\n ownerExists(msg.sender)\n transactionExists(transactionId)\n notConfirmed(transactionId, msg.sender)\n notFullyConfirmed(transactionId)\n {\n confirmations[transactionId][msg.sender] = true;\n emit Confirmation(msg.sender, transactionId);\n if (isConfirmed(transactionId)) {\n setConfirmationTime(transactionId, block.timestamp);\n }\n }\n\n /// @dev Allows anyone to execute a confirmed transaction.\n /// @param transactionId Transaction ID.\n function executeTransaction(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n pastTimeLock(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n\n /// @dev Sets the time of when a submission first passed.\n function setConfirmationTime(uint256 transactionId, uint256 confirmationTime)\n internal\n {\n confirmationTimes[transactionId] = confirmationTime;\n emit ConfirmationTimeSet(transactionId, confirmationTime);\n }\n}\n", - "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC20Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n \n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 1 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n\n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. amount |\n\n /////// Read token address from calldata ///////\n // * The token address is stored in `assetData`.\n //\n // * The \"offset to assetData\" is stored at offset 4 in the calldata (table 1).\n // [assetDataOffsetFromParams = calldataload(4)]\n //\n // * Notes that the \"offset to assetData\" is relative to the \"Params\" area of calldata;\n // add 4 bytes to account for the length of the \"Header\" area (table 1).\n // [assetDataOffsetFromHeader = assetDataOffsetFromParams + 4]\n //\n // * The \"token address\" is offset 32+4=36 bytes into \"assetData\" (tables 1 & 2).\n // [tokenOffset = assetDataOffsetFromHeader + 36 = calldataload(4) + 4 + 36]\n let token := calldataload(add(calldataload(4), 40))\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from`, `to` and `amount` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 96)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output over input\n 32 // output size should be 32 bytes\n )\n\n /////// Check return data. ///////\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // nonzero 32 bytes value.\n // So the transfer succeeded if the call succeeded and either\n // returned nothing, or returned a non-zero 32 byte value. \n success := and(success, or(\n iszero(returndatasize),\n and(\n eq(returndatasize, 32),\n gt(mload(0), 0)\n )\n ))\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", - "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC721Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 2 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n // | | 36 | | 2. tokenId |\n \n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. tokenId |\n\n // There exists only 1 of each token.\n // require(amount == 1, \"INVALID_AMOUNT\")\n if sub(calldataload(100), 1) {\n // Revert with `Error(\"INVALID_AMOUNT\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from` and `to` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 64)\n\n // Copy `tokenId` field from our own calldata to the new calldata.\n let assetDataOffset := calldataload(4)\n calldatacopy(68, add(assetDataOffset, 72), 32)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let token := calldataload(add(assetDataOffset, 40))\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output to null\n 0 // output size is 0 bytes\n )\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", - "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAuthorizable.sol\";\n\n\ncontract MixinAuthorizable is\n Ownable,\n MAuthorizable\n{\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized {\n require(\n authorized[msg.sender],\n \"SENDER_NOT_AUTHORIZED\"\n );\n _;\n }\n\n mapping (address => bool) public authorized;\n address[] public authorities;\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n !authorized[target],\n \"TARGET_ALREADY_AUTHORIZED\"\n );\n\n authorized[target] = true;\n authorities.push(target);\n emit AuthorizedAddressAdded(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n\n delete authorized[target];\n for (uint256 i = 0; i < authorities.length; i++) {\n if (authorities[i] == target) {\n authorities[i] = authorities[authorities.length - 1];\n authorities.length -= 1;\n break;\n }\n }\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n require(\n index < authorities.length,\n \"INDEX_OUT_OF_BOUNDS\"\n );\n require(\n authorities[index] == target,\n \"AUTHORIZED_ADDRESS_MISMATCH\"\n );\n\n delete authorized[target];\n authorities[index] = authorities[authorities.length - 1];\n authorities.length -= 1;\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory)\n {\n return authorities;\n }\n}\n", - "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IAuthorizable.sol\";\n\n\ncontract IAssetProxy is\n IAuthorizable\n{\n /// @dev Transfers assets. Either succeeds or throws.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n function transferFrom(\n bytes assetData,\n address from,\n address to,\n uint256 amount\n )\n external;\n \n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4);\n}\n", - "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/Ownable/IOwnable.sol\";\n\n\ncontract IAuthorizable is\n IOwnable\n{\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external;\n \n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory);\n}\n", - "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAuthorizable.sol\";\n\n\ncontract MAuthorizable is\n IAuthorizable\n{\n // Event logged when a new address is authorized.\n event AuthorizedAddressAdded(\n address indexed target,\n address indexed caller\n );\n\n // Event logged when a currently authorized address is unauthorized.\n event AuthorizedAddressRemoved(\n address indexed target,\n address indexed caller\n );\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized { revert(); _; }\n}\n", - "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../multisig/MultiSigWalletWithTimeLock.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract AssetProxyOwner is\n MultiSigWalletWithTimeLock\n{\n using LibBytes for bytes;\n\n event AssetProxyRegistration(address assetProxyContract, bool isRegistered);\n\n // Mapping of AssetProxy contract address =>\n // if this contract is allowed to call the AssetProxy's `removeAuthorizedAddressAtIndex` method without a time lock.\n mapping (address => bool) public isAssetProxyRegistered;\n\n bytes4 constant internal REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR = bytes4(keccak256(\"removeAuthorizedAddressAtIndex(address,uint256)\"));\n\n /// @dev Function will revert if the transaction does not call `removeAuthorizedAddressAtIndex`\n /// on an approved AssetProxy contract.\n modifier validRemoveAuthorizedAddressAtIndexTx(uint256 transactionId) {\n Transaction storage txn = transactions[transactionId];\n require(\n isAssetProxyRegistered[txn.destination],\n \"UNREGISTERED_ASSET_PROXY\"\n );\n require(\n txn.data.readBytes4(0) == REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR,\n \"INVALID_FUNCTION_SELECTOR\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations,\n /// time lock, and list of AssetProxy addresses.\n /// @param _owners List of initial owners.\n /// @param _assetProxyContracts Array of AssetProxy contract addresses.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] memory _owners,\n address[] memory _assetProxyContracts,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWalletWithTimeLock(_owners, _required, _secondsTimeLocked)\n {\n for (uint256 i = 0; i < _assetProxyContracts.length; i++) {\n address assetProxy = _assetProxyContracts[i];\n require(\n assetProxy != address(0),\n \"INVALID_ASSET_PROXY\"\n );\n isAssetProxyRegistered[assetProxy] = true;\n }\n }\n\n /// @dev Registers or deregisters an AssetProxy to be able to execute\n /// `removeAuthorizedAddressAtIndex` without a timelock.\n /// @param assetProxyContract Address of AssetProxy contract.\n /// @param isRegistered Status of approval for AssetProxy contract.\n function registerAssetProxy(address assetProxyContract, bool isRegistered)\n public\n onlyWallet\n notNull(assetProxyContract)\n {\n isAssetProxyRegistered[assetProxyContract] = isRegistered;\n emit AssetProxyRegistration(assetProxyContract, isRegistered);\n }\n\n /// @dev Allows execution of `removeAuthorizedAddressAtIndex` without time lock.\n /// @param transactionId Transaction ID.\n function executeRemoveAuthorizedAddressAtIndex(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n validRemoveAuthorizedAddressAtIndexTx(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n}\n", - "2.0.0/protocol/Exchange/Exchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinExchangeCore.sol\";\nimport \"./MixinSignatureValidator.sol\";\nimport \"./MixinWrapperFunctions.sol\";\nimport \"./MixinAssetProxyDispatcher.sol\";\nimport \"./MixinTransactions.sol\";\nimport \"./MixinMatchOrders.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Exchange is\n MixinExchangeCore,\n MixinMatchOrders,\n MixinSignatureValidator,\n MixinTransactions,\n MixinAssetProxyDispatcher,\n MixinWrapperFunctions\n{\n string constant public VERSION = \"2.0.1-alpha\";\n\n // Mixins are instantiated in the order they are inherited\n constructor (bytes memory _zrxAssetData)\n public\n LibConstants(_zrxAssetData) // @TODO: Remove when we deploy.\n MixinExchangeCore()\n MixinMatchOrders()\n MixinSignatureValidator()\n MixinTransactions()\n MixinAssetProxyDispatcher()\n MixinWrapperFunctions()\n {}\n}\n", - "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\nimport \"../AssetProxy/interfaces/IAssetProxy.sol\";\n\n\ncontract MixinAssetProxyDispatcher is\n Ownable,\n MAssetProxyDispatcher\n{\n // Mapping from Asset Proxy Id's to their respective Asset Proxy\n mapping (bytes4 => IAssetProxy) public assetProxies;\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external\n onlyOwner\n {\n IAssetProxy assetProxyContract = IAssetProxy(assetProxy);\n\n // Ensure that no asset proxy exists with current id.\n bytes4 assetProxyId = assetProxyContract.getProxyId();\n address currentAssetProxy = assetProxies[assetProxyId];\n require(\n currentAssetProxy == address(0),\n \"ASSET_PROXY_ALREADY_EXISTS\"\n );\n\n // Add asset proxy and log registration.\n assetProxies[assetProxyId] = assetProxyContract;\n emit AssetProxyRegistered(\n assetProxyId,\n assetProxy\n );\n }\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address)\n {\n return assetProxies[assetProxyId];\n }\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal\n {\n // Do nothing if no amount should be transferred.\n if (amount > 0 && from != to) {\n // Ensure assetData length is valid\n require(\n assetData.length > 3,\n \"LENGTH_GREATER_THAN_3_REQUIRED\"\n );\n \n // Lookup assetProxy. We do not use `LibBytes.readBytes4` for gas efficiency reasons.\n bytes4 assetProxyId;\n assembly {\n assetProxyId := and(mload(\n add(assetData, 32)),\n 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000\n )\n }\n address assetProxy = assetProxies[assetProxyId];\n\n // Ensure that assetProxy exists\n require(\n assetProxy != address(0),\n \"ASSET_PROXY_DOES_NOT_EXIST\"\n );\n \n // We construct calldata for the `assetProxy.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n\n assembly {\n /////// Setup State ///////\n // `cdStart` is the start of the calldata for `assetProxy.transferFrom` (equal to free memory ptr).\n let cdStart := mload(64)\n // `dataAreaLength` is the total number of words needed to store `assetData`\n // As-per the ABI spec, this value is padded up to the nearest multiple of 32,\n // and includes 32-bytes for length.\n let dataAreaLength := and(add(mload(assetData), 63), 0xFFFFFFFFFFFE0)\n // `cdEnd` is the end of the calldata for `assetProxy.transferFrom`.\n let cdEnd := add(cdStart, add(132, dataAreaLength))\n\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFromSelector`.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes.\n // Notes:\n // 1. The offset to `assetData` is the length of the Params Area (128 bytes).\n // 2. A 20-byte mask is applied to addresses to zero-out the unused bytes.\n mstore(add(cdStart, 4), 128)\n mstore(add(cdStart, 36), and(from, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 68), and(to, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 100), amount)\n \n /////// Setup Data Area ///////\n // This area holds `assetData`.\n let dataArea := add(cdStart, 132)\n // solhint-disable-next-line no-empty-blocks\n for {} lt(dataArea, cdEnd) {} {\n mstore(dataArea, mload(assetData))\n dataArea := add(dataArea, 32)\n assetData := add(assetData, 32)\n }\n\n /////// Call `assetProxy.transferFrom` using the constructed calldata ///////\n let success := call(\n gas, // forward all gas\n assetProxy, // call address of asset proxy\n 0, // don't send any ETH\n cdStart, // pointer to start of input\n sub(cdEnd, cdStart), // length of input \n cdStart, // write output over input\n 512 // reserve 512 bytes for output\n )\n if iszero(success) {\n revert(cdStart, returndatasize())\n }\n }\n }\n }\n}\n", - "2.0.0/protocol/Exchange/MixinExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinExchangeCore is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n LibOrder,\n LibFillResults,\n MAssetProxyDispatcher,\n MExchangeCore,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of orderHash => amount of takerAsset already bought by maker\n mapping (bytes32 => uint256) public filled;\n\n // Mapping of orderHash => cancelled\n mapping (bytes32 => bool) public cancelled;\n\n // Mapping of makerAddress => senderAddress => lowest salt an order can have in order to be fillable\n // Orders with specified senderAddress and with a salt less than their epoch are considered cancelled\n mapping (address => mapping (address => uint256)) public orderEpoch;\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external\n nonReentrant\n {\n address makerAddress = getCurrentContextAddress();\n // If this function is called via `executeTransaction`, we only update the orderEpoch for the makerAddress/msg.sender combination.\n // This allows external filter contracts to add rules to how orders are cancelled via this function.\n address senderAddress = makerAddress == msg.sender ? address(0) : msg.sender;\n\n // orderEpoch is initialized to 0, so to cancelUpTo we need salt + 1\n uint256 newOrderEpoch = targetOrderEpoch + 1; \n uint256 oldOrderEpoch = orderEpoch[makerAddress][senderAddress];\n\n // Ensure orderEpoch is monotonically increasing\n require(\n newOrderEpoch > oldOrderEpoch, \n \"INVALID_NEW_ORDER_EPOCH\"\n );\n\n // Update orderEpoch\n orderEpoch[makerAddress][senderAddress] = newOrderEpoch;\n emit CancelUpTo(\n makerAddress,\n senderAddress,\n newOrderEpoch\n );\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrder(Order memory order)\n public\n nonReentrant\n {\n cancelOrderInternal(order);\n }\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(Order memory order)\n public\n view\n returns (OrderInfo memory orderInfo)\n {\n // Compute the order hash\n orderInfo.orderHash = getOrderHash(order);\n\n // Fetch filled amount\n orderInfo.orderTakerAssetFilledAmount = filled[orderInfo.orderHash];\n\n // If order.makerAssetAmount is zero, we also reject the order.\n // While the Exchange contract handles them correctly, they create\n // edge cases in the supporting infrastructure because they have\n // an 'infinite' price when computed by a simple division.\n if (order.makerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_MAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // If order.takerAssetAmount is zero, then the order will always\n // be considered filled because 0 == takerAssetAmount == orderTakerAssetFilledAmount\n // Instead of distinguishing between unfilled and filled zero taker\n // amount orders, we choose not to support them.\n if (order.takerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_TAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // Validate order availability\n if (orderInfo.orderTakerAssetFilledAmount >= order.takerAssetAmount) {\n orderInfo.orderStatus = uint8(OrderStatus.FULLY_FILLED);\n return orderInfo;\n }\n\n // Validate order expiration\n // solhint-disable-next-line not-rely-on-time\n if (block.timestamp >= order.expirationTimeSeconds) {\n orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);\n return orderInfo;\n }\n\n // Check if order has been cancelled\n if (cancelled[orderInfo.orderHash]) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n if (orderEpoch[order.makerAddress][order.senderAddress] > order.salt) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n\n // All other statuses are ruled out: order is Fillable\n orderInfo.orderStatus = uint8(OrderStatus.FILLABLE);\n return orderInfo;\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // Fetch order info\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Assert that the order is fillable by taker\n assertFillableOrder(\n order,\n orderInfo,\n takerAddress,\n signature\n );\n \n // Get amount of takerAsset to fill\n uint256 remainingTakerAssetAmount = safeSub(order.takerAssetAmount, orderInfo.orderTakerAssetFilledAmount);\n uint256 takerAssetFilledAmount = min256(takerAssetFillAmount, remainingTakerAssetAmount);\n\n // Validate context\n assertValidFill(\n order,\n orderInfo,\n takerAssetFillAmount,\n takerAssetFilledAmount,\n fillResults.makerAssetFilledAmount\n );\n\n // Compute proportional fill amounts\n fillResults = calculateFillResults(order, takerAssetFilledAmount);\n\n // Update exchange internal state\n updateFilledState(\n order,\n takerAddress,\n orderInfo.orderHash,\n orderInfo.orderTakerAssetFilledAmount,\n fillResults\n );\n \n // Settle order\n settleOrder(\n order,\n takerAddress,\n fillResults\n );\n\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrderInternal(Order memory order)\n internal\n {\n // Fetch current order status\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Validate context\n assertValidCancel(order, orderInfo);\n\n // Perform cancel\n updateCancelledState(order, orderInfo.orderHash);\n }\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n function updateFilledState(\n Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n FillResults memory fillResults\n )\n internal\n {\n // Update state\n filled[orderHash] = safeAdd(orderTakerAssetFilledAmount, fillResults.takerAssetFilledAmount);\n\n // Log order\n emit Fill(\n order.makerAddress,\n order.feeRecipientAddress,\n takerAddress,\n msg.sender,\n fillResults.makerAssetFilledAmount,\n fillResults.takerAssetFilledAmount,\n fillResults.makerFeePaid,\n fillResults.takerFeePaid,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n Order memory order,\n bytes32 orderHash\n )\n internal\n {\n // Perform cancel\n cancelled[orderHash] = true;\n\n // Log cancel\n emit Cancel(\n order.makerAddress,\n order.feeRecipientAddress,\n msg.sender,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n Order memory order,\n OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view\n {\n // An order can only be filled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n \n // Validate sender is allowed to fill this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n \n // Validate taker is allowed to fill this order\n if (order.takerAddress != address(0)) {\n require(\n order.takerAddress == takerAddress,\n \"INVALID_TAKER\"\n );\n }\n \n // Validate Maker signature (check only if first time seen)\n if (orderInfo.orderTakerAssetFilledAmount == 0) {\n require(\n isValidSignature(\n orderInfo.orderHash,\n order.makerAddress,\n signature\n ),\n \"INVALID_ORDER_SIGNATURE\"\n );\n }\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n Order memory order,\n OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount, // TODO: use FillResults\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view\n {\n // Revert if fill amount is invalid\n // TODO: reconsider necessity for v2.1\n require(\n takerAssetFillAmount != 0,\n \"INVALID_TAKER_AMOUNT\"\n );\n \n // Make sure taker does not pay more than desired amount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n takerAssetFilledAmount <= takerAssetFillAmount,\n \"TAKER_OVERPAY\"\n );\n \n // Make sure order is not overfilled\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeAdd(orderInfo.orderTakerAssetFilledAmount, takerAssetFilledAmount) <= order.takerAssetAmount,\n \"ORDER_OVERFILL\"\n );\n \n // Make sure order is filled at acceptable price.\n // The order has an implied price from the makers perspective:\n // order price = order.makerAssetAmount / order.takerAssetAmount\n // i.e. the number of makerAsset maker is paying per takerAsset. The\n // maker is guaranteed to get this price or a better (lower) one. The\n // actual price maker is getting in this fill is:\n // fill price = makerAssetFilledAmount / takerAssetFilledAmount\n // We need `fill price <= order price` for the fill to be fair to maker.\n // This amounts to:\n // makerAssetFilledAmount order.makerAssetAmount\n // ------------------------ <= -----------------------\n // takerAssetFilledAmount order.takerAssetAmount\n // or, equivalently:\n // makerAssetFilledAmount * order.takerAssetAmount <=\n // order.makerAssetAmount * takerAssetFilledAmount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeMul(makerAssetFilledAmount, order.takerAssetAmount)\n <= \n safeMul(order.makerAssetAmount, takerAssetFilledAmount),\n \"INVALID_FILL_PRICE\"\n );\n }\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n Order memory order,\n OrderInfo memory orderInfo\n )\n internal\n view\n {\n // Ensure order is valid\n // An order can only be cancelled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Validate sender is allowed to cancel this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate transaction signed by maker\n address makerAddress = getCurrentContextAddress();\n require(\n order.makerAddress == makerAddress,\n \"INVALID_MAKER\"\n );\n }\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (FillResults memory fillResults)\n {\n // Compute proportional transfer amounts\n fillResults.takerAssetFilledAmount = takerAssetFilledAmount;\n fillResults.makerAssetFilledAmount = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n );\n fillResults.makerFeePaid = safeGetPartialAmountFloor(\n fillResults.makerAssetFilledAmount,\n order.makerAssetAmount,\n order.makerFee\n );\n fillResults.takerFeePaid = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.takerFee\n );\n\n return fillResults;\n }\n\n /// @dev Settles an order by transferring assets between counterparties.\n /// @param order Order struct containing order specifications.\n /// @param takerAddress Address selling takerAsset and buying makerAsset.\n /// @param fillResults Amounts to be filled and fees paid by maker and taker.\n function settleOrder(\n LibOrder.Order memory order,\n address takerAddress,\n LibFillResults.FillResults memory fillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n dispatchTransferFrom(\n order.makerAssetData,\n order.makerAddress,\n takerAddress,\n fillResults.makerAssetFilledAmount\n );\n dispatchTransferFrom(\n order.takerAssetData,\n takerAddress,\n order.makerAddress,\n fillResults.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n zrxAssetData,\n order.makerAddress,\n order.feeRecipientAddress,\n fillResults.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n order.feeRecipientAddress,\n fillResults.takerFeePaid\n );\n }\n}\n", - "2.0.0/protocol/Exchange/MixinMatchOrders.sol": "/*\n Copyright 2018 ZeroEx Intl.\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n http://www.apache.org/licenses/LICENSE-2.0\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MMatchOrders.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinMatchOrders is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n MAssetProxyDispatcher,\n MExchangeCore,\n MMatchOrders,\n MTransactions\n{\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n nonReentrant\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We assume that rightOrder.takerAssetData == leftOrder.makerAssetData and rightOrder.makerAssetData == leftOrder.takerAssetData.\n // If this assumption isn't true, the match will fail at signature validation.\n rightOrder.makerAssetData = leftOrder.takerAssetData;\n rightOrder.takerAssetData = leftOrder.makerAssetData;\n\n // Get left & right order info\n LibOrder.OrderInfo memory leftOrderInfo = getOrderInfo(leftOrder);\n LibOrder.OrderInfo memory rightOrderInfo = getOrderInfo(rightOrder);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Either our context is valid or we revert\n assertFillableOrder(\n leftOrder,\n leftOrderInfo,\n takerAddress,\n leftSignature\n );\n assertFillableOrder(\n rightOrder,\n rightOrderInfo,\n takerAddress,\n rightSignature\n );\n assertValidMatch(leftOrder, rightOrder);\n\n // Compute proportional fill amounts\n matchedFillResults = calculateMatchedFillResults(\n leftOrder,\n rightOrder,\n leftOrderInfo.orderTakerAssetFilledAmount,\n rightOrderInfo.orderTakerAssetFilledAmount\n );\n\n // Validate fill contexts\n assertValidFill(\n leftOrder,\n leftOrderInfo,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.makerAssetFilledAmount\n );\n assertValidFill(\n rightOrder,\n rightOrderInfo,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n \n // Update exchange state\n updateFilledState(\n leftOrder,\n takerAddress,\n leftOrderInfo.orderHash,\n leftOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.left\n );\n updateFilledState(\n rightOrder,\n takerAddress,\n rightOrderInfo.orderHash,\n rightOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.right\n );\n\n // Settle matched orders. Succeeds or throws.\n settleMatchedOrders(\n leftOrder,\n rightOrder,\n takerAddress,\n matchedFillResults\n );\n\n return matchedFillResults;\n }\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure\n {\n // Make sure there is a profitable spread.\n // There is a profitable spread iff the cost per unit bought (OrderA.MakerAmount/OrderA.TakerAmount) for each order is greater\n // than the profit per unit sold of the matched order (OrderB.TakerAmount/OrderB.MakerAmount).\n // This is satisfied by the equations below:\n // / >= / \n // AND\n // / >= / \n // These equations can be combined to get the following:\n require(\n safeMul(leftOrder.makerAssetAmount, rightOrder.makerAssetAmount) >=\n safeMul(leftOrder.takerAssetAmount, rightOrder.takerAssetAmount),\n \"NEGATIVE_SPREAD_REQUIRED\"\n );\n }\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // Derive maker asset amounts for left & right orders, given store taker assert amounts\n uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);\n uint256 leftMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n leftTakerAssetAmountRemaining\n );\n uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);\n uint256 rightMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n rightOrder.makerAssetAmount,\n rightOrder.takerAssetAmount,\n rightTakerAssetAmountRemaining\n );\n\n // Calculate fill results for maker and taker assets: at least one order will be fully filled.\n // The maximum amount the left maker can buy is `leftTakerAssetAmountRemaining`\n // The maximum amount the right maker can sell is `rightMakerAssetAmountRemaining`\n // We have two distinct cases for calculating the fill results:\n // Case 1.\n // If the left maker can buy more than the right maker can sell, then only the right order is fully filled.\n // If the left maker can buy exactly what the right maker can sell, then both orders are fully filled.\n // Case 2.\n // If the left maker cannot buy more than the right maker can sell, then only the left order is fully filled.\n if (leftTakerAssetAmountRemaining >= rightMakerAssetAmountRemaining) {\n // Case 1: Right order is fully filled\n matchedFillResults.right.makerAssetFilledAmount = rightMakerAssetAmountRemaining;\n matchedFillResults.right.takerAssetFilledAmount = rightTakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = matchedFillResults.right.makerAssetFilledAmount;\n // Round down to ensure the maker's exchange rate does not exceed the price specified by the order. \n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.left.makerAssetFilledAmount = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n matchedFillResults.left.takerAssetFilledAmount\n );\n } else {\n // Case 2: Left order is fully filled\n matchedFillResults.left.makerAssetFilledAmount = leftMakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = leftTakerAssetAmountRemaining;\n matchedFillResults.right.makerAssetFilledAmount = matchedFillResults.left.takerAssetFilledAmount;\n // Round up to ensure the maker's exchange rate does not exceed the price specified by the order.\n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.right.takerAssetFilledAmount = safeGetPartialAmountCeil(\n rightOrder.takerAssetAmount,\n rightOrder.makerAssetAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n }\n\n // Calculate amount given to taker\n matchedFillResults.leftMakerAssetSpreadAmount = safeSub(\n matchedFillResults.left.makerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount\n );\n\n // Compute fees for left order\n matchedFillResults.left.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.makerAssetFilledAmount,\n leftOrder.makerAssetAmount,\n leftOrder.makerFee\n );\n matchedFillResults.left.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.takerAssetFilledAmount,\n leftOrder.takerAssetAmount,\n leftOrder.takerFee\n );\n\n // Compute fees for right order\n matchedFillResults.right.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.makerAssetFilledAmount,\n rightOrder.makerAssetAmount,\n rightOrder.makerFee\n );\n matchedFillResults.right.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.takerAssetFilledAmount,\n rightOrder.takerAssetAmount,\n rightOrder.takerFee\n );\n\n // Return fill results\n return matchedFillResults;\n }\n\n /// @dev Settles matched order by transferring appropriate funds between order makers, taker, and fee recipient.\n /// @param leftOrder First matched order.\n /// @param rightOrder Second matched order.\n /// @param takerAddress Address that matched the orders. The taker receives the spread between orders as profit.\n /// @param matchedFillResults Struct holding amounts to transfer between makers, taker, and fee recipients.\n function settleMatchedOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n address takerAddress,\n LibFillResults.MatchedFillResults memory matchedFillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n // Order makers and taker\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n rightOrder.makerAddress,\n matchedFillResults.right.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n rightOrder.makerAssetData,\n rightOrder.makerAddress,\n leftOrder.makerAddress,\n matchedFillResults.left.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n takerAddress,\n matchedFillResults.leftMakerAssetSpreadAmount\n );\n\n // Maker fees\n dispatchTransferFrom(\n zrxAssetData,\n leftOrder.makerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n rightOrder.makerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.makerFeePaid\n );\n\n // Taker fees\n if (leftOrder.feeRecipientAddress == rightOrder.feeRecipientAddress) {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n safeAdd(\n matchedFillResults.left.takerFeePaid,\n matchedFillResults.right.takerFeePaid\n )\n );\n } else {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.takerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.takerFeePaid\n );\n }\n }\n}\n", - "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./interfaces/IWallet.sol\";\nimport \"./interfaces/IValidator.sol\";\n\n\ncontract MixinSignatureValidator is\n ReentrancyGuard,\n MSignatureValidator,\n MTransactions\n{\n using LibBytes for bytes;\n \n // Mapping of hash => signer => signed\n mapping (bytes32 => mapping (address => bool)) public preSigned;\n\n // Mapping of signer => validator => approved\n mapping (address => mapping (address => bool)) public allowedValidators;\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n {\n if (signerAddress != msg.sender) {\n require(\n isValidSignature(\n hash,\n signerAddress,\n signature\n ),\n \"INVALID_SIGNATURE\"\n );\n }\n preSigned[hash][signerAddress] = true;\n }\n\n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external\n nonReentrant\n {\n address signerAddress = getCurrentContextAddress();\n allowedValidators[signerAddress][validatorAddress] = approval;\n emit SignatureValidatorApproval(\n signerAddress,\n validatorAddress,\n approval\n );\n }\n\n /// @dev Verifies that a hash has been signed by the given signer.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid)\n {\n require(\n signature.length > 0,\n \"LENGTH_GREATER_THAN_0_REQUIRED\"\n );\n\n // Pop last byte off of signature byte array.\n uint8 signatureTypeRaw = uint8(signature.popLastByte());\n\n // Ensure signature is supported\n require(\n signatureTypeRaw < uint8(SignatureType.NSignatureTypes),\n \"SIGNATURE_UNSUPPORTED\"\n );\n\n SignatureType signatureType = SignatureType(signatureTypeRaw);\n\n // Variables are not scoped in Solidity.\n uint8 v;\n bytes32 r;\n bytes32 s;\n address recovered;\n\n // Always illegal signature.\n // This is always an implicit option since a signer can create a\n // signature array with invalid type or length. We may as well make\n // it an explicit option. This aids testing and analysis. It is\n // also the initialization value for the enum type.\n if (signatureType == SignatureType.Illegal) {\n revert(\"SIGNATURE_ILLEGAL\");\n\n // Always invalid signature.\n // Like Illegal, this is always implicitly available and therefore\n // offered explicitly. It can be implicitly created by providing\n // a correctly formatted but incorrect signature.\n } else if (signatureType == SignatureType.Invalid) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = false;\n return isValid;\n\n // Signature using EIP712\n } else if (signatureType == SignatureType.EIP712) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n hash,\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signed using web3.eth_sign\n } else if (signatureType == SignatureType.EthSign) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n32\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signature verified by wallet contract.\n // If used with an order, the maker of the order is the wallet contract.\n } else if (signatureType == SignatureType.Wallet) {\n isValid = isValidWalletSignature(\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signature verified by validator contract.\n // If used with an order, the maker of the order can still be an EOA.\n // A signature using this type should be encoded as:\n // | Offset | Length | Contents |\n // | 0x00 | x | Signature to validate |\n // | 0x00 + x | 20 | Address of validator contract |\n // | 0x14 + x | 1 | Signature type is always \"\\x06\" |\n } else if (signatureType == SignatureType.Validator) {\n // Pop last 20 bytes off of signature byte array.\n address validatorAddress = signature.popLast20Bytes();\n \n // Ensure signer has approved validator.\n if (!allowedValidators[signerAddress][validatorAddress]) {\n return false;\n }\n isValid = isValidValidatorSignature(\n validatorAddress,\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signer signed hash previously using the preSign function.\n } else if (signatureType == SignatureType.PreSigned) {\n isValid = preSigned[hash][signerAddress];\n return isValid;\n }\n\n // Anything else is illegal (We do not return false because\n // the signature may actually be valid, just not in a format\n // that we currently support. In this case returning false\n // may lead the caller to incorrectly believe that the\n // signature was invalid.)\n revert(\"SIGNATURE_UNSUPPORTED\");\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if signature is valid for given wallet..\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IWallet(walletAddress).isValidSignature.selector,\n hash,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n walletAddress, // address of Wallet contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"WALLET_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000c57414c4c45545f4552524f5200000000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IValidator(signerAddress).isValidSignature.selector,\n hash,\n signerAddress,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n validatorAddress, // address of Validator contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"VALIDATOR_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f56414c494441544f525f4552524f5200000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n}\n", - "2.0.0/protocol/Exchange/MixinTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"./libs/LibExchangeErrors.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./libs/LibEIP712.sol\";\n\n\ncontract MixinTransactions is\n LibEIP712,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of transaction hash => executed\n // This prevents transactions from being executed more than once.\n mapping (bytes32 => bool) public transactions;\n\n // Address of current transaction signer\n address public currentContextAddress;\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external\n {\n // Prevent reentrancy\n require(\n currentContextAddress == address(0),\n \"REENTRANCY_ILLEGAL\"\n );\n\n bytes32 transactionHash = hashEIP712Message(hashZeroExTransaction(\n salt,\n signerAddress,\n data\n ));\n\n // Validate transaction has not been executed\n require(\n !transactions[transactionHash],\n \"INVALID_TX_HASH\"\n );\n\n // Transaction always valid if signer is sender of transaction\n if (signerAddress != msg.sender) {\n // Validate signature\n require(\n isValidSignature(\n transactionHash,\n signerAddress,\n signature\n ),\n \"INVALID_TX_SIGNATURE\"\n );\n\n // Set the current transaction signer\n currentContextAddress = signerAddress;\n }\n\n // Execute transaction\n transactions[transactionHash] = true;\n require(\n address(this).delegatecall(data),\n \"FAILED_EXECUTION\"\n );\n\n // Reset current transaction signer if it was previously updated\n if (signerAddress != msg.sender) {\n currentContextAddress = address(0);\n }\n }\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;\n bytes32 dataHash = keccak256(data);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,\n // salt,\n // bytes32(signerAddress),\n // keccak256(data)\n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, schemaHash) // hash of schema\n mstore(add(memPtr, 32), salt) // salt\n mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff)) // signerAddress\n mstore(add(memPtr, 96), dataHash) // hash of data\n\n // Compute hash\n result := keccak256(memPtr, 128)\n }\n return result;\n }\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address)\n {\n address currentContextAddress_ = currentContextAddress;\n address contextAddress = currentContextAddress_ == address(0) ? msg.sender : currentContextAddress_;\n return contextAddress;\n }\n}\n", - "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibAbiEncoder.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MWrapperFunctions.sol\";\n\n\ncontract MixinWrapperFunctions is\n ReentrancyGuard,\n LibMath,\n LibFillResults,\n LibAbiEncoder,\n MExchangeCore,\n MWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrKillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n // Delegate to `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := delegatecall(\n gas, // forward all gas\n address, // call address of this contract\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrKillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n \n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public\n nonReentrant\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n cancelOrderInternal(orders[i]);\n }\n }\n\n /// @dev Fetches information for all passed in orders.\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n LibOrder.OrderInfo[] memory ordersInfo = new LibOrder.OrderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n ordersInfo[i] = getOrderInfo(orders[i]);\n }\n return ordersInfo;\n }\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n require(\n fillResults.takerAssetFilledAmount == takerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return fillResults;\n }\n}\n", - "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssetProxyDispatcher {\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external;\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IExchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./IExchangeCore.sol\";\nimport \"./IMatchOrders.sol\";\nimport \"./ISignatureValidator.sol\";\nimport \"./ITransactions.sol\";\nimport \"./IAssetProxyDispatcher.sol\";\nimport \"./IWrapperFunctions.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract IExchange is\n IExchangeCore,\n IMatchOrders,\n ISignatureValidator,\n ITransactions,\n IAssetProxyDispatcher,\n IWrapperFunctions\n{}\n", - "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IExchangeCore {\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external;\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrder(LibOrder.Order memory order)\n public;\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(LibOrder.Order memory order)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IMatchOrders {\n\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n}\n", - "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ISignatureValidator {\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external;\n \n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external;\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address of signer.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\n\ncontract ITransactions {\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external;\n}\n", - "2.0.0/protocol/Exchange/interfaces/IValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IValidator {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IWallet {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IWrapperFunctions {\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public;\n\n /// @dev Fetches information for all passed in orders\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory);\n}\n", - "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./LibOrder.sol\";\n\n\ncontract LibAbiEncoder {\n\n /// @dev ABI encodes calldata for `fillOrder`.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return ABI encoded calldata for `fillOrder`.\n function abiEncodeFillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n pure\n returns (bytes memory fillOrderCalldata)\n {\n // We need to call MExchangeCore.fillOrder using a delegatecall in\n // assembly so that we can intercept a call that throws. For this, we\n // need the input encoded in memory in the Ethereum ABIv2 format [1].\n\n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0x00 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 0x00 | | 1. offset to order (*) |\n // | | 0x20 | | 2. takerAssetFillAmount |\n // | | 0x40 | | 3. offset to signature (*) |\n // | Data | | 12 * 32 | order: |\n // | | 0x000 | | 1. senderAddress |\n // | | 0x020 | | 2. makerAddress |\n // | | 0x040 | | 3. takerAddress |\n // | | 0x060 | | 4. feeRecipientAddress |\n // | | 0x080 | | 5. makerAssetAmount |\n // | | 0x0A0 | | 6. takerAssetAmount |\n // | | 0x0C0 | | 7. makerFeeAmount |\n // | | 0x0E0 | | 8. takerFeeAmount |\n // | | 0x100 | | 9. expirationTimeSeconds |\n // | | 0x120 | | 10. salt |\n // | | 0x140 | | 11. Offset to makerAssetData (*) |\n // | | 0x160 | | 12. Offset to takerAssetData (*) |\n // | | 0x180 | 32 | makerAssetData Length |\n // | | 0x1A0 | ** | makerAssetData Contents |\n // | | 0x1C0 | 32 | takerAssetData Length |\n // | | 0x1E0 | ** | takerAssetData Contents |\n // | | 0x200 | 32 | signature Length |\n // | | 0x220 | ** | signature Contents |\n\n // * Offsets are calculated from the beginning of the current area: Header, Params, Data:\n // An offset stored in the Params area is calculated from the beginning of the Params section.\n // An offset stored in the Data area is calculated from the beginning of the Data section.\n\n // ** The length of dynamic array contents are stored in the field immediately preceeding the contents.\n\n // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html\n\n assembly {\n\n // Areas below may use the following variables:\n // 1. Start -- Start of this area in memory\n // 2. End -- End of this area in memory. This value may\n // be precomputed (before writing contents),\n // or it may be computed as contents are written.\n // 3. Offset -- Current offset into area. If an area's End\n // is precomputed, this variable tracks the\n // offsets of contents as they are written.\n\n /////// Setup Header Area ///////\n // Load free memory pointer\n fillOrderCalldata := mload(0x40)\n // bytes4(keccak256(\"fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)\"))\n // = 0xb4be83d5\n // Leave 0x20 bytes to store the length\n mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000)\n let headerAreaEnd := add(fillOrderCalldata, 0x24)\n\n /////// Setup Params Area ///////\n // This area is preallocated and written to later.\n // This is because we need to fill in offsets that have not yet been calculated.\n let paramsAreaStart := headerAreaEnd\n let paramsAreaEnd := add(paramsAreaStart, 0x60)\n let paramsAreaOffset := paramsAreaStart\n\n /////// Setup Data Area ///////\n let dataAreaStart := paramsAreaEnd\n let dataAreaEnd := dataAreaStart\n\n // Offset from the source data we're reading from\n let sourceOffset := order\n // arrayLenBytes and arrayLenWords track the length of a dynamically-allocated bytes array.\n let arrayLenBytes := 0\n let arrayLenWords := 0\n\n /////// Write order Struct ///////\n // Write memory location of Order, relative to the start of the\n // parameter list, then increment the paramsAreaOffset respectively.\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n // Write values for each field in the order\n // It would be nice to use a loop, but we save on gas by writing\n // the stores sequentially.\n mstore(dataAreaEnd, mload(sourceOffset)) // makerAddress\n mstore(add(dataAreaEnd, 0x20), mload(add(sourceOffset, 0x20))) // takerAddress\n mstore(add(dataAreaEnd, 0x40), mload(add(sourceOffset, 0x40))) // feeRecipientAddress\n mstore(add(dataAreaEnd, 0x60), mload(add(sourceOffset, 0x60))) // senderAddress\n mstore(add(dataAreaEnd, 0x80), mload(add(sourceOffset, 0x80))) // makerAssetAmount\n mstore(add(dataAreaEnd, 0xA0), mload(add(sourceOffset, 0xA0))) // takerAssetAmount\n mstore(add(dataAreaEnd, 0xC0), mload(add(sourceOffset, 0xC0))) // makerFeeAmount\n mstore(add(dataAreaEnd, 0xE0), mload(add(sourceOffset, 0xE0))) // takerFeeAmount\n mstore(add(dataAreaEnd, 0x100), mload(add(sourceOffset, 0x100))) // expirationTimeSeconds\n mstore(add(dataAreaEnd, 0x120), mload(add(sourceOffset, 0x120))) // salt\n mstore(add(dataAreaEnd, 0x140), mload(add(sourceOffset, 0x140))) // Offset to makerAssetData\n mstore(add(dataAreaEnd, 0x160), mload(add(sourceOffset, 0x160))) // Offset to takerAssetData\n dataAreaEnd := add(dataAreaEnd, 0x180)\n sourceOffset := add(sourceOffset, 0x180)\n\n // Write offset to \n mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x140)) // makerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Write offset to \n mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x160)) // takerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n /////// Write takerAssetFillAmount ///////\n mstore(paramsAreaOffset, takerAssetFillAmount)\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n /////// Write signature ///////\n // Write offset to paramsArea\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n\n // Calculate length of signature\n sourceOffset := signature\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of signature\n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of signature\n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Set length of calldata\n mstore(fillOrderCalldata, sub(dataAreaEnd, add(fillOrderCalldata, 0x20)))\n\n // Increment free memory pointer\n mstore(0x40, dataAreaEnd)\n }\n\n return fillOrderCalldata;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\n// solhint-disable max-line-length\ncontract LibConstants {\n \n // Asset data for ZRX token. Used for fee transfers.\n // @TODO: Hardcode constant when we deploy. Currently \n // not constant to make testing easier.\n\n // The proxyId for ZRX_ASSET_DATA is bytes4(keccak256(\"ERC20Token(address)\")) = 0xf47261b0\n \n // Kovan ZRX address is 0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570.\n // The ABI encoded proxyId and address is 0xf47261b00000000000000000000000006ff6c0ff1d68b964901f986d4c9fa3ac68346570\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x6f\\xf6\\xc0\\xff\\x1d\\x68\\xb9\\x64\\x90\\x1f\\x98\\x6d\\x4c\\x9f\\xa3\\xac\\x68\\x34\\x65\\x70\";\n \n // Mainnet ZRX address is 0xe41d2489571d322189246dafa5ebde1f4699f498.\n // The ABI encoded proxyId and address is 0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xe4\\x1d\\x24\\x89\\x57\\x1d\\x32\\x21\\x89\\x24\\x6d\\xaf\\xa5\\xeb\\xde\\x1f\\x46\\x99\\xf4\\x98\";\n \n // solhint-disable-next-line var-name-mixedcase\n bytes public ZRX_ASSET_DATA;\n\n // @TODO: Remove when we deploy.\n constructor (bytes memory zrxAssetData)\n public\n {\n ZRX_ASSET_DATA = zrxAssetData;\n }\n}\n// solhint-enable max-line-length\n", - "2.0.0/protocol/Exchange/libs/LibEIP712.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract LibEIP712 {\n\n // EIP191 header for EIP712 prefix\n string constant internal EIP191_HEADER = \"\\x19\\x01\";\n\n // EIP712 Domain Name value\n string constant internal EIP712_DOMAIN_NAME = \"0x Protocol\";\n\n // EIP712 Domain Version value\n string constant internal EIP712_DOMAIN_VERSION = \"2\";\n\n // Hash of the EIP712 Domain Separator Schema\n bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"EIP712Domain(\",\n \"string name,\",\n \"string version,\",\n \"address verifyingContract\",\n \")\"\n ));\n\n // Hash of the EIP712 Domain Separator data\n // solhint-disable-next-line var-name-mixedcase\n bytes32 public EIP712_DOMAIN_HASH;\n\n constructor ()\n public\n {\n EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(\n EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,\n keccak256(bytes(EIP712_DOMAIN_NAME)),\n keccak256(bytes(EIP712_DOMAIN_VERSION)),\n bytes32(address(this))\n ));\n }\n\n /// @dev Calculates EIP712 encoding for a hash struct in this EIP712 Domain.\n /// @param hashStruct The EIP712 hash struct.\n /// @return EIP712 hash applied to this EIP712 Domain.\n function hashEIP712Message(bytes32 hashStruct)\n internal\n view\n returns (bytes32 result)\n {\n bytes32 eip712DomainHash = EIP712_DOMAIN_HASH;\n\n // Assembly for more efficient computing:\n // keccak256(abi.encodePacked(\n // EIP191_HEADER,\n // EIP712_DOMAIN_HASH,\n // hashStruct \n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, 0x1901000000000000000000000000000000000000000000000000000000000000) // EIP191 header\n mstore(add(memPtr, 2), eip712DomainHash) // EIP712 domain hash\n mstore(add(memPtr, 34), hashStruct) // Hash of struct\n\n // Compute hash\n result := keccak256(memPtr, 66)\n }\n return result;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity 0.4.24;\n\n\n/// @dev This contract documents the revert reasons used in the Exchange contract.\n/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons.\ncontract LibExchangeErrors {\n\n /// Order validation errors ///\n string constant ORDER_UNFILLABLE = \"ORDER_UNFILLABLE\"; // Order cannot be filled.\n string constant INVALID_MAKER = \"INVALID_MAKER\"; // Invalid makerAddress.\n string constant INVALID_TAKER = \"INVALID_TAKER\"; // Invalid takerAddress.\n string constant INVALID_SENDER = \"INVALID_SENDER\"; // Invalid `msg.sender`.\n string constant INVALID_ORDER_SIGNATURE = \"INVALID_ORDER_SIGNATURE\"; // Signature validation failed. \n \n /// fillOrder validation errors ///\n string constant INVALID_TAKER_AMOUNT = \"INVALID_TAKER_AMOUNT\"; // takerAssetFillAmount cannot equal 0.\n string constant ROUNDING_ERROR = \"ROUNDING_ERROR\"; // Rounding error greater than 0.1% of takerAssetFillAmount. \n \n /// Signature validation errors ///\n string constant INVALID_SIGNATURE = \"INVALID_SIGNATURE\"; // Signature validation failed. \n string constant SIGNATURE_ILLEGAL = \"SIGNATURE_ILLEGAL\"; // Signature type is illegal.\n string constant SIGNATURE_UNSUPPORTED = \"SIGNATURE_UNSUPPORTED\"; // Signature type unsupported.\n \n /// cancelOrdersUptTo errors ///\n string constant INVALID_NEW_ORDER_EPOCH = \"INVALID_NEW_ORDER_EPOCH\"; // Specified salt must be greater than or equal to existing orderEpoch.\n\n /// fillOrKillOrder errors ///\n string constant COMPLETE_FILL_FAILED = \"COMPLETE_FILL_FAILED\"; // Desired takerAssetFillAmount could not be completely filled. \n\n /// matchOrders errors ///\n string constant NEGATIVE_SPREAD_REQUIRED = \"NEGATIVE_SPREAD_REQUIRED\"; // Matched orders must have a negative spread.\n\n /// Transaction errors ///\n string constant REENTRANCY_ILLEGAL = \"REENTRANCY_ILLEGAL\"; // Recursive reentrancy is not allowed. \n string constant INVALID_TX_HASH = \"INVALID_TX_HASH\"; // Transaction has already been executed. \n string constant INVALID_TX_SIGNATURE = \"INVALID_TX_SIGNATURE\"; // Signature validation failed. \n string constant FAILED_EXECUTION = \"FAILED_EXECUTION\"; // Transaction execution failed. \n \n /// registerAssetProxy errors ///\n string constant ASSET_PROXY_ALREADY_EXISTS = \"ASSET_PROXY_ALREADY_EXISTS\"; // AssetProxy with same id already exists.\n\n /// dispatchTransferFrom errors ///\n string constant ASSET_PROXY_DOES_NOT_EXIST = \"ASSET_PROXY_DOES_NOT_EXIST\"; // No assetProxy registered at given id.\n string constant TRANSFER_FAILED = \"TRANSFER_FAILED\"; // Asset transfer unsuccesful.\n\n /// Length validation errors ///\n string constant LENGTH_GREATER_THAN_0_REQUIRED = \"LENGTH_GREATER_THAN_0_REQUIRED\"; // Byte array must have a length greater than 0.\n string constant LENGTH_GREATER_THAN_3_REQUIRED = \"LENGTH_GREATER_THAN_3_REQUIRED\"; // Byte array must have a length greater than 3.\n string constant LENGTH_0_REQUIRED = \"LENGTH_0_REQUIRED\"; // Byte array must have a length of 0.\n string constant LENGTH_65_REQUIRED = \"LENGTH_65_REQUIRED\"; // Byte array must have a length of 65.\n}\n", - "2.0.0/protocol/Exchange/libs/LibFillResults.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibFillResults is\n SafeMath\n{\n struct FillResults {\n uint256 makerAssetFilledAmount; // Total amount of makerAsset(s) filled.\n uint256 takerAssetFilledAmount; // Total amount of takerAsset(s) filled.\n uint256 makerFeePaid; // Total amount of ZRX paid by maker(s) to feeRecipient(s).\n uint256 takerFeePaid; // Total amount of ZRX paid by taker to feeRecipients(s).\n }\n\n struct MatchedFillResults {\n FillResults left; // Amounts filled and fees paid of left order.\n FillResults right; // Amounts filled and fees paid of right order.\n uint256 leftMakerAssetSpreadAmount; // Spread between price of left and right order, denominated in the left order's makerAsset, paid to taker.\n }\n\n /// @dev Adds properties of both FillResults instances.\n /// Modifies the first FillResults instance specified.\n /// @param totalFillResults Fill results instance that will be added onto.\n /// @param singleFillResults Fill results instance that will be added to totalFillResults.\n function addFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)\n internal\n pure\n {\n totalFillResults.makerAssetFilledAmount = safeAdd(totalFillResults.makerAssetFilledAmount, singleFillResults.makerAssetFilledAmount);\n totalFillResults.takerAssetFilledAmount = safeAdd(totalFillResults.takerAssetFilledAmount, singleFillResults.takerAssetFilledAmount);\n totalFillResults.makerFeePaid = safeAdd(totalFillResults.makerFeePaid, singleFillResults.makerFeePaid);\n totalFillResults.takerFeePaid = safeAdd(totalFillResults.takerFeePaid, singleFillResults.takerFeePaid);\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibMath.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibMath is\n SafeMath\n{\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function safeGetPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorFloor(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function safeGetPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorCeil(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function getPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function getPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // The absolute rounding error is the difference between the rounded\n // value and the ideal value. The relative rounding error is the\n // absolute rounding error divided by the absolute value of the\n // ideal value. This is undefined when the ideal value is zero.\n //\n // The ideal value is `numerator * target / denominator`.\n // Let's call `numerator * target % denominator` the remainder.\n // The absolute error is `remainder / denominator`.\n //\n // When the ideal value is zero, we require the absolute error to\n // be zero. Fortunately, this is always the case. The ideal value is\n // zero iff `numerator == 0` and/or `target == 0`. In this case the\n // remainder and absolute error are also zero. \n if (target == 0 || numerator == 0) {\n return false;\n }\n \n // Otherwise, we want the relative rounding error to be strictly\n // less than 0.1%.\n // The relative error is `remainder / (numerator * target)`.\n // We want the relative error less than 1 / 1000:\n // remainder / (numerator * denominator) < 1 / 1000\n // or equivalently:\n // 1000 * remainder < numerator * target\n // so we have a rounding error iff:\n // 1000 * remainder >= numerator * target\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding up.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // See the comments in `isRoundingError`.\n if (target == 0 || numerator == 0) {\n // When either is zero, the ideal value and rounded value are zero\n // and there is no rounding error. (Although the relative error\n // is undefined.)\n return false;\n }\n // Compute remainder as before\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n remainder = safeSub(denominator, remainder) % denominator;\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibOrder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./LibEIP712.sol\";\n\n\ncontract LibOrder is\n LibEIP712\n{\n // Hash for the EIP712 Order Schema\n bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"Order(\",\n \"address makerAddress,\",\n \"address takerAddress,\",\n \"address feeRecipientAddress,\",\n \"address senderAddress,\",\n \"uint256 makerAssetAmount,\",\n \"uint256 takerAssetAmount,\",\n \"uint256 makerFee,\",\n \"uint256 takerFee,\",\n \"uint256 expirationTimeSeconds,\",\n \"uint256 salt,\",\n \"bytes makerAssetData,\",\n \"bytes takerAssetData\",\n \")\"\n ));\n\n // A valid order remains fillable until it is expired, fully filled, or cancelled.\n // An order's state is unaffected by external factors, like account balances.\n enum OrderStatus {\n INVALID, // Default value\n INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount\n INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount\n FILLABLE, // Order is fillable\n EXPIRED, // Order has already expired\n FULLY_FILLED, // Order is fully filled\n CANCELLED // Order has been cancelled\n }\n\n // solhint-disable max-line-length\n struct Order {\n address makerAddress; // Address that created the order. \n address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order. \n address feeRecipientAddress; // Address that will recieve fees when order is filled. \n address senderAddress; // Address that is allowed to call Exchange contract methods that affect this order. If set to 0, any address is allowed to call these methods.\n uint256 makerAssetAmount; // Amount of makerAsset being offered by maker. Must be greater than 0. \n uint256 takerAssetAmount; // Amount of takerAsset being bid on by maker. Must be greater than 0. \n uint256 makerFee; // Amount of ZRX paid to feeRecipient by maker when order is filled. If set to 0, no transfer of ZRX from maker to feeRecipient will be attempted.\n uint256 takerFee; // Amount of ZRX paid to feeRecipient by taker when order is filled. If set to 0, no transfer of ZRX from taker to feeRecipient will be attempted.\n uint256 expirationTimeSeconds; // Timestamp in seconds at which order expires. \n uint256 salt; // Arbitrary number to facilitate uniqueness of the order's hash. \n bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.\n bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.\n }\n // solhint-enable max-line-length\n\n struct OrderInfo {\n uint8 orderStatus; // Status that describes order's validity and fillability.\n bytes32 orderHash; // EIP712 hash of the order (see LibOrder.getOrderHash).\n uint256 orderTakerAssetFilledAmount; // Amount of order that has already been filled.\n }\n\n /// @dev Calculates Keccak-256 hash of the order.\n /// @param order The order structure.\n /// @return Keccak-256 EIP712 hash of the order.\n function getOrderHash(Order memory order)\n internal\n view\n returns (bytes32 orderHash)\n {\n orderHash = hashEIP712Message(hashOrder(order));\n return orderHash;\n }\n\n /// @dev Calculates EIP712 hash of the order.\n /// @param order The order structure.\n /// @return EIP712 hash of the order.\n function hashOrder(Order memory order)\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ORDER_SCHEMA_HASH;\n bytes32 makerAssetDataHash = keccak256(order.makerAssetData);\n bytes32 takerAssetDataHash = keccak256(order.takerAssetData);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ORDER_SCHEMA_HASH,\n // bytes32(order.makerAddress),\n // bytes32(order.takerAddress),\n // bytes32(order.feeRecipientAddress),\n // bytes32(order.senderAddress),\n // order.makerAssetAmount,\n // order.takerAssetAmount,\n // order.makerFee,\n // order.takerFee,\n // order.expirationTimeSeconds,\n // order.salt,\n // keccak256(order.makerAssetData),\n // keccak256(order.takerAssetData)\n // ));\n\n assembly {\n // Calculate memory addresses that will be swapped out before hashing\n let pos1 := sub(order, 32)\n let pos2 := add(order, 320)\n let pos3 := add(order, 352)\n\n // Backup\n let temp1 := mload(pos1)\n let temp2 := mload(pos2)\n let temp3 := mload(pos3)\n \n // Hash in place\n mstore(pos1, schemaHash)\n mstore(pos2, makerAssetDataHash)\n mstore(pos3, takerAssetDataHash)\n result := keccak256(pos1, 416)\n \n // Restore\n mstore(pos1, temp1)\n mstore(pos2, temp2)\n mstore(pos3, temp3)\n }\n return result;\n }\n}\n", - "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssetProxyDispatcher.sol\";\n\n\ncontract MAssetProxyDispatcher is\n IAssetProxyDispatcher\n{\n // Logs registration of new asset proxy\n event AssetProxyRegistered(\n bytes4 id, // Id of new registered AssetProxy.\n address assetProxy // Address of new registered AssetProxy.\n );\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal;\n}\n", - "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IExchangeCore.sol\";\n\n\ncontract MExchangeCore is\n IExchangeCore\n{\n // Fill event is emitted whenever an order is filled.\n event Fill(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that received fees.\n address takerAddress, // Address that filled the order.\n address senderAddress, // Address that called the Exchange contract (msg.sender).\n uint256 makerAssetFilledAmount, // Amount of makerAsset sold by maker and bought by taker. \n uint256 takerAssetFilledAmount, // Amount of takerAsset sold by taker and bought by maker.\n uint256 makerFeePaid, // Amount of ZRX paid to feeRecipient by maker.\n uint256 takerFeePaid, // Amount of ZRX paid to feeRecipient by taker.\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // Cancel event is emitted whenever an individual order is cancelled.\n event Cancel(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that would have recieved fees if order was filled. \n address senderAddress, // Address that called the Exchange contract (msg.sender).\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // CancelUpTo event is emitted whenever `cancelOrdersUpTo` is executed succesfully.\n event CancelUpTo(\n address indexed makerAddress, // Orders cancelled must have been created by this address.\n address indexed senderAddress, // Orders cancelled must have a `senderAddress` equal to this address.\n uint256 orderEpoch // Orders with specified makerAddress and senderAddress with a salt less than this value are considered cancelled.\n );\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrderInternal(LibOrder.Order memory order)\n internal;\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function updateFilledState(\n LibOrder.Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n LibFillResults.FillResults memory fillResults\n )\n internal;\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n LibOrder.Order memory order,\n bytes32 orderHash\n )\n internal;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo Status, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view;\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo\n )\n internal\n view;\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n LibOrder.Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.FillResults memory fillResults);\n\n}\n", - "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IMatchOrders.sol\";\n\n\ncontract MMatchOrders is\n IMatchOrders\n{\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure;\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n\n}\n", - "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/ISignatureValidator.sol\";\n\n\ncontract MSignatureValidator is\n ISignatureValidator\n{\n event SignatureValidatorApproval(\n address indexed signerAddress, // Address that approves or disapproves a contract to verify signatures.\n address indexed validatorAddress, // Address of signature validator contract.\n bool approved // Approval or disapproval of validator contract.\n );\n\n // Allowed signature types.\n enum SignatureType {\n Illegal, // 0x00, default value\n Invalid, // 0x01\n EIP712, // 0x02\n EthSign, // 0x03\n Wallet, // 0x04\n Validator, // 0x05\n PreSigned, // 0x06\n NSignatureTypes // 0x07, number of signature types. Always leave at end.\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/mixins/MTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"../interfaces/ITransactions.sol\";\n\n\ncontract MTransactions is\n ITransactions\n{\n // Hash for the EIP712 ZeroEx Transaction Schema\n bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"ZeroExTransaction(\",\n \"uint256 salt,\",\n \"address signerAddress,\",\n \"bytes data\",\n \")\"\n ));\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result);\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address);\n}\n", - "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IWrapperFunctions.sol\";\n\n\ncontract MWrapperFunctions is \n IWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n}\n", - "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/MintableERC20Token.sol\";\n\n\ncontract DummyERC20Token is \n Ownable,\n MintableERC20Token\n{\n string public name;\n string public symbol;\n uint256 public decimals;\n uint256 public constant MAX_MINT_AMOUNT = 10000000000000000000000;\n\n constructor (\n string _name,\n string _symbol,\n uint256 _decimals,\n uint256 _totalSupply\n )\n public\n {\n name = _name;\n symbol = _symbol;\n decimals = _decimals;\n _totalSupply = _totalSupply;\n balances[msg.sender] = _totalSupply;\n }\n\n /// @dev Sets the balance of target address\n /// @param _target Address or which balance will be updated\n /// @param _value New balance of target address\n function setBalance(address _target, uint256 _value)\n external\n onlyOwner\n {\n uint256 currBalance = balances[_target];\n if (_value < currBalance) {\n _totalSupply = safeSub(_totalSupply, safeSub(currBalance, _value));\n } else {\n _totalSupply = safeAdd(_totalSupply, safeSub(_value, currBalance));\n }\n balances[_target] = _value;\n }\n\n /// @dev Mints new tokens for sender\n /// @param _value Amount of tokens to mint\n function mint(uint256 _value)\n external\n {\n require(\n _value <= MAX_MINT_AMOUNT,\n \"VALUE_TOO_LARGE\"\n );\n\n _mint(msg.sender, _value);\n }\n}\n", - "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../tokens/ERC721Token/MintableERC721Token.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract DummyERC721Token is\n Ownable,\n MintableERC721Token\n{\n string public name;\n string public symbol;\n\n constructor (\n string _name,\n string _symbol\n )\n public\n {\n name = _name;\n symbol = _symbol;\n }\n\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function mint(address _to, uint256 _tokenId)\n external\n {\n _mint(_to, _tokenId);\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist or not called by contract owner\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function burn(address _owner, uint256 _tokenId)\n external\n onlyOwner\n {\n _burn(_owner, _tokenId);\n }\n}\n", - "2.0.0/tokens/ERC20Token/ERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC20Token.sol\";\n\n\ncontract ERC20Token is\n IERC20Token\n{\n mapping (address => uint256) internal balances;\n mapping (address => mapping (address => uint256)) internal allowed;\n\n uint256 internal _totalSupply;\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool)\n {\n require(\n balances[msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[msg.sender] -= _value;\n balances[_to] += _value;\n\n emit Transfer(\n msg.sender,\n _to,\n _value\n );\n\n return true;\n }\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowed[_from][msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n allowed[_from][msg.sender] -= _value;\n \n emit Transfer(\n _from,\n _to,\n _value\n );\n \n return true;\n }\n\n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool)\n {\n allowed[msg.sender][_spender] = _value;\n emit Approval(\n msg.sender,\n _spender,\n _value\n );\n return true;\n }\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256)\n {\n return _totalSupply;\n }\n\n /// @dev Query the balance of owner\n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n return balances[_owner];\n }\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256)\n {\n return allowed[_owner][_spender];\n }\n}\n", - "2.0.0/tokens/ERC20Token/IERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n \n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n \n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", - "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/SafeMath/SafeMath.sol\";\nimport \"./UnlimitedAllowanceERC20Token.sol\";\n\n\ncontract MintableERC20Token is \n SafeMath,\n UnlimitedAllowanceERC20Token\n{\n /// @dev Mints new tokens\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _value Amount of tokens to mint\n function _mint(address _to, uint256 _value)\n internal\n {\n balances[_to] = safeAdd(_value, balances[_to]);\n _totalSupply = safeAdd(_totalSupply, _value);\n\n emit Transfer(\n address(0),\n _to,\n _value\n );\n }\n\n /// @dev Mints new tokens\n /// @param _owner Owner of tokens that will be burned\n /// @param _value Amount of tokens to burn\n function _burn(address _owner, uint256 _value)\n internal\n {\n balances[_owner] = safeSub(balances[_owner], _value);\n _totalSupply = safeSub(_totalSupply, _value);\n\n emit Transfer(\n _owner,\n address(0),\n _value\n );\n }\n}\n", - "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/ERC20Token.sol\";\n\n\ncontract UnlimitedAllowanceERC20Token is\n ERC20Token\n{\n uint256 constant internal MAX_UINT = 2**256 - 1;\n\n /// @dev ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited allowance. See https://github.com/ethereum/EIPs/issues/717\n /// @param _from Address to transfer from.\n /// @param _to Address to transfer to.\n /// @param _value Amount to transfer.\n /// @return Success of transfer.\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n uint256 allowance = allowed[_from][msg.sender];\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowance >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n if (allowance < MAX_UINT) {\n allowed[_from][msg.sender] -= _value;\n }\n\n emit Transfer(\n _from,\n _to,\n _value\n );\n\n return true;\n }\n}\n", - "2.0.0/tokens/ERC721Token/ERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC721Token.sol\";\nimport \"./IERC721Receiver.sol\";\nimport \"../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract ERC721Token is\n IERC721Token,\n SafeMath\n{\n // Function selector for ERC721Receiver.onERC721Received\n // 0x150b7a02\n bytes4 constant internal ERC721_RECEIVED = bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"));\n\n // Mapping of tokenId => owner\n mapping (uint256 => address) internal owners;\n\n // Mapping of tokenId => approved address\n mapping (uint256 => address) internal approvals;\n\n // Mapping of owner => number of tokens owned\n mapping (address => uint256) internal balances;\n\n // Mapping of owner => operator => approved\n mapping (address => mapping (address => bool)) internal operatorApprovals;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n _data\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n \"\"\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external\n {\n address owner = ownerOf(_tokenId);\n require(\n msg.sender == owner || isApprovedForAll(owner, msg.sender),\n \"ERC721_INVALID_SENDER\"\n );\n\n approvals[_tokenId] = _approved;\n emit Approval(\n owner,\n _approved,\n _tokenId\n );\n }\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external\n {\n operatorApprovals[msg.sender][_operator] = _approved;\n emit ApprovalForAll(\n msg.sender,\n _operator,\n _approved\n );\n }\n \n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return balances[_owner];\n }\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = ownerOf(_tokenId);\n require(\n _from == owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n address spender = msg.sender;\n address approvedAddress = getApproved(_tokenId);\n require(\n spender == owner ||\n isApprovedForAll(owner, spender) ||\n approvedAddress == spender,\n \"ERC721_INVALID_SPENDER\"\n );\n\n if (approvedAddress != address(0)) {\n approvals[_tokenId] = address(0);\n }\n\n owners[_tokenId] = _to;\n balances[_from] = safeSub(balances[_from], 1);\n balances[_to] = safeAdd(balances[_to], 1);\n \n emit Transfer(\n _from,\n _to,\n _tokenId\n );\n }\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address)\n {\n address owner = owners[_tokenId];\n require(\n owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return owner;\n }\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId)\n public\n view\n returns (address)\n {\n return approvals[_tokenId];\n }\n\n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool)\n {\n return operatorApprovals[_owner][_operator];\n }\n}\n", - "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Receiver {\n\n /// @notice Handle the receipt of an NFT\n /// @dev The ERC721 smart contract calls this function on the recipient\n /// after a `transfer`. This function MAY throw to revert and reject the\n /// transfer. Return of other than the magic value MUST result in the\n /// transaction being reverted.\n /// Note: the contract address is always the message sender.\n /// @param _operator The address which called `safeTransferFrom` function\n /// @param _from The address which previously owned the token\n /// @param _tokenId The NFT identifier which is being transferred\n /// @param _data Additional data with no specified format\n /// @return `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`\n /// unless throwing\n function onERC721Received(\n address _operator,\n address _from,\n uint256 _tokenId,\n bytes _data\n )\n external\n returns (bytes4);\n}\n", - "2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Token {\n\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(\n address indexed _owner,\n address indexed _approved,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(\n address indexed _owner,\n address indexed _operator,\n bool _approved\n );\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// perator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external;\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public;\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address);\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) \n public\n view\n returns (address);\n \n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool);\n}\n", - "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./ERC721Token.sol\";\n\n\ncontract MintableERC721Token is\n ERC721Token\n{\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function _mint(address _to, uint256 _tokenId)\n internal\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == address(0),\n \"ERC721_OWNER_ALREADY_EXISTS\"\n );\n\n owners[_tokenId] = _to;\n balances[_to] = safeAdd(balances[_to], 1);\n\n emit Transfer(\n address(0),\n _to,\n _tokenId\n );\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function _burn(address _owner, uint256 _tokenId)\n internal\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == _owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n owners[_tokenId] = address(0);\n balances[_owner] = safeSub(balances[_owner], 1);\n\n emit Transfer(\n _owner,\n address(0),\n _tokenId\n );\n }\n}\n", - "2.0.0/tokens/EtherToken/IEtherToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/IERC20Token.sol\";\n\n\ncontract IEtherToken is\n IERC20Token\n{\n function deposit()\n public\n payable;\n \n function withdraw(uint256 amount)\n public;\n}\n", - "2.0.0/utils/LibBytes/LibBytes.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\nlibrary LibBytes {\n\n using LibBytes for bytes;\n\n /// @dev Gets the memory address for a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of byte array. This\n /// points to the header of the byte array which contains\n /// the length.\n function rawAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := input\n }\n return memoryAddress;\n }\n \n /// @dev Gets the memory address for the contents of a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of the contents of the byte array.\n function contentAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := add(input, 32)\n }\n return memoryAddress;\n }\n\n /// @dev Copies `length` bytes from memory location `source` to `dest`.\n /// @param dest memory address to copy bytes to.\n /// @param source memory address to copy bytes from.\n /// @param length number of bytes to copy.\n function memCopy(\n uint256 dest,\n uint256 source,\n uint256 length\n )\n internal\n pure\n {\n if (length < 32) {\n // Handle a partial word by reading destination and masking\n // off the bits we are interested in.\n // This correctly handles overlap, zero lengths and source == dest\n assembly {\n let mask := sub(exp(256, sub(32, length)), 1)\n let s := and(mload(source), not(mask))\n let d := and(mload(dest), mask)\n mstore(dest, or(s, d))\n }\n } else {\n // Skip the O(length) loop when source == dest.\n if (source == dest) {\n return;\n }\n\n // For large copies we copy whole words at a time. The final\n // word is aligned to the end of the range (instead of after the\n // previous) to handle partial words. So a copy will look like this:\n //\n // ####\n // ####\n // ####\n // ####\n //\n // We handle overlap in the source and destination range by\n // changing the copying direction. This prevents us from\n // overwriting parts of source that we still need to copy.\n //\n // This correctly handles source == dest\n //\n if (source > dest) {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because it\n // is easier to compare with in the loop, and these\n // are also the addresses we need for copying the\n // last bytes.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the last 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the last bytes in\n // source already due to overlap.\n let last := mload(sEnd)\n\n // Copy whole words front to back\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} lt(source, sEnd) {} {\n mstore(dest, mload(source))\n source := add(source, 32)\n dest := add(dest, 32)\n }\n \n // Write the last 32 bytes\n mstore(dEnd, last)\n }\n } else {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because those\n // are the starting points when copying a word at the end.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the first 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the first bytes in\n // source already due to overlap.\n let first := mload(source)\n\n // Copy whole words back to front\n // We use a signed comparisson here to allow dEnd to become\n // negative (happens when source and dest < 32). Valid\n // addresses in local memory will never be larger than\n // 2**255, so they can be safely re-interpreted as signed.\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} slt(dest, dEnd) {} {\n mstore(dEnd, mload(sEnd))\n sEnd := sub(sEnd, 32)\n dEnd := sub(dEnd, 32)\n }\n \n // Write the first 32 bytes\n mstore(dest, first)\n }\n }\n }\n }\n\n /// @dev Returns a slices from a byte array.\n /// @param b The byte array to take a slice from.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n function slice(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure and copy contents\n result = new bytes(to - from);\n memCopy(\n result.contentAddress(),\n b.contentAddress() + from,\n result.length\n );\n return result;\n }\n \n /// @dev Returns a slice from a byte array without preserving the input.\n /// @param b The byte array to take a slice from. Will be destroyed in the process.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n /// @dev When `from == 0`, the original array will match the slice. In other cases its state will be corrupted.\n function sliceDestructive(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure around [from, to) in-place.\n assembly {\n result := add(b, from)\n mstore(result, sub(to, from))\n }\n return result;\n }\n\n /// @dev Pops the last byte off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The byte that was popped off.\n function popLastByte(bytes memory b)\n internal\n pure\n returns (bytes1 result)\n {\n require(\n b.length > 0,\n \"GREATER_THAN_ZERO_LENGTH_REQUIRED\"\n );\n\n // Store last byte.\n result = b[b.length - 1];\n\n assembly {\n // Decrement length of byte array.\n let newLen := sub(mload(b), 1)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Pops the last 20 bytes off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The 20 byte address that was popped off.\n function popLast20Bytes(bytes memory b)\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= 20,\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Store last 20 bytes.\n result = readAddress(b, b.length - 20);\n\n assembly {\n // Subtract 20 from byte array length.\n let newLen := sub(mload(b), 20)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Tests equality of two byte arrays.\n /// @param lhs First byte array to compare.\n /// @param rhs Second byte array to compare.\n /// @return True if arrays are the same. False otherwise.\n function equals(\n bytes memory lhs,\n bytes memory rhs\n )\n internal\n pure\n returns (bool equal)\n {\n // Keccak gas cost is 30 + numWords * 6. This is a cheap way to compare.\n // We early exit on unequal lengths, but keccak would also correctly\n // handle this.\n return lhs.length == rhs.length && keccak256(lhs) == keccak256(rhs);\n }\n\n /// @dev Reads an address from a position in a byte array.\n /// @param b Byte array containing an address.\n /// @param index Index in byte array of address.\n /// @return address from byte array.\n function readAddress(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Read address from array memory\n assembly {\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 20-byte mask to obtain address\n result := and(mload(add(b, index)), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n return result;\n }\n\n /// @dev Writes an address into a specific position in a byte array.\n /// @param b Byte array to insert address into.\n /// @param index Index in byte array of address.\n /// @param input Address to put into byte array.\n function writeAddress(\n bytes memory b,\n uint256 index,\n address input\n )\n internal\n pure\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Store address into array memory\n assembly {\n // The address occupies 20 bytes and mstore stores 32 bytes.\n // First fetch the 32-byte word where we'll be storing the address, then\n // apply a mask so we have only the bytes in the word that the address will not occupy.\n // Then combine these bytes with the address and store the 32 bytes back to memory with mstore.\n\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 12-byte mask to obtain extra bytes occupying word of memory where we'll store the address\n let neighbors := and(\n mload(add(b, index)),\n 0xffffffffffffffffffffffff0000000000000000000000000000000000000000\n )\n \n // Make sure input address is clean.\n // (Solidity does not guarantee this)\n input := and(input, 0xffffffffffffffffffffffffffffffffffffffff)\n\n // Store the neighbors and address into memory\n mstore(add(b, index), xor(input, neighbors))\n }\n }\n\n /// @dev Reads a bytes32 value from a position in a byte array.\n /// @param b Byte array containing a bytes32 value.\n /// @param index Index in byte array of bytes32 value.\n /// @return bytes32 value from byte array.\n function readBytes32(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes32 result)\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n result := mload(add(b, index))\n }\n return result;\n }\n\n /// @dev Writes a bytes32 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes32 to put into byte array.\n function writeBytes32(\n bytes memory b,\n uint256 index,\n bytes32 input\n )\n internal\n pure\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n mstore(add(b, index), input)\n }\n }\n\n /// @dev Reads a uint256 value from a position in a byte array.\n /// @param b Byte array containing a uint256 value.\n /// @param index Index in byte array of uint256 value.\n /// @return uint256 value from byte array.\n function readUint256(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (uint256 result)\n {\n result = uint256(readBytes32(b, index));\n return result;\n }\n\n /// @dev Writes a uint256 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input uint256 to put into byte array.\n function writeUint256(\n bytes memory b,\n uint256 index,\n uint256 input\n )\n internal\n pure\n {\n writeBytes32(b, index, bytes32(input));\n }\n\n /// @dev Reads an unpadded bytes4 value from a position in a byte array.\n /// @param b Byte array containing a bytes4 value.\n /// @param index Index in byte array of bytes4 value.\n /// @return bytes4 value from byte array.\n function readBytes4(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes4 result)\n {\n require(\n b.length >= index + 4,\n \"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 32 byte length field\n index += 32;\n\n // Read the bytes4 from array memory\n assembly {\n result := mload(add(b, index))\n // Solidity does not require us to clean the trailing bytes.\n // We do it anyway\n result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)\n }\n return result;\n }\n\n /// @dev Reads nested bytes from a specific position.\n /// @dev NOTE: the returned value overlaps with the input value.\n /// Both should be treated as immutable.\n /// @param b Byte array containing nested bytes.\n /// @param index Index of nested bytes.\n /// @return result Nested bytes.\n function readBytesWithLength(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes memory result)\n {\n // Read length of nested bytes\n uint256 nestedBytesLength = readUint256(b, index);\n index += 32;\n\n // Assert length of is valid, given\n // length of nested bytes\n require(\n b.length >= index + nestedBytesLength,\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n \n // Return a pointer to the byte array as it exists inside `b`\n assembly {\n result := add(b, index)\n }\n return result;\n }\n\n /// @dev Inserts bytes at a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes to insert.\n function writeBytesWithLength(\n bytes memory b,\n uint256 index,\n bytes memory input\n )\n internal\n pure\n {\n // Assert length of is valid, given\n // length of input\n require(\n b.length >= index + 32 + input.length, // 32 bytes to store length\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n\n // Copy into \n memCopy(\n b.contentAddress() + index,\n input.rawAddress(), // includes length of \n input.length + 32 // +32 bytes to store length\n );\n }\n\n /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length.\n /// @param dest Byte array that will be overwritten with source bytes.\n /// @param source Byte array to copy onto dest bytes.\n function deepCopyBytes(\n bytes memory dest,\n bytes memory source\n )\n internal\n pure\n {\n uint256 sourceLen = source.length;\n // Dest length must be >= source length, or some bytes would not be copied.\n require(\n dest.length >= sourceLen,\n \"GREATER_OR_EQUAL_TO_SOURCE_BYTES_LENGTH_REQUIRED\"\n );\n memCopy(\n dest.contentAddress(),\n source.contentAddress(),\n sourceLen\n );\n }\n}\n", - "2.0.0/utils/Ownable/IOwnable.sol": "pragma solidity 0.4.24;\n\n\ncontract IOwnable {\n\n function transferOwnership(address newOwner)\n public;\n}\n", - "2.0.0/utils/Ownable/Ownable.sol": "pragma solidity 0.4.24;\n\nimport \"./IOwnable.sol\";\n\n\ncontract Ownable is\n IOwnable\n{\n address public owner;\n\n constructor ()\n public\n {\n owner = msg.sender;\n }\n\n modifier onlyOwner() {\n require(\n msg.sender == owner,\n \"ONLY_CONTRACT_OWNER\"\n );\n _;\n }\n\n function transferOwnership(address newOwner)\n public\n onlyOwner\n {\n if (newOwner != address(0)) {\n owner = newOwner;\n }\n }\n}\n", - "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ReentrancyGuard {\n\n // Locked state of mutex\n bool private locked = false;\n\n /// @dev Functions with this modifer cannot be reentered. The mutex will be locked\n /// before function execution and unlocked after.\n modifier nonReentrant() {\n // Ensure mutex is unlocked\n require(\n !locked,\n \"REENTRANCY_ILLEGAL\"\n );\n\n // Lock mutex before function call\n locked = true;\n\n // Perform function call\n _;\n\n // Unlock mutex after function call\n locked = false;\n }\n}\n", - "2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n\n function safeMul(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(\n c / a == b,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function safeDiv(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a / b;\n return c;\n }\n\n function safeSub(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n require(\n b <= a,\n \"UINT256_UNDERFLOW\"\n );\n return a - b;\n }\n\n function safeAdd(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a + b;\n require(\n c >= a,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function max64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n\n function max256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n}\n" - }, - "sourceTreeHashHex": "0x7c03657f568331e5dbdd3212ed6be6074760e096f601ee84ad8c0fa46acd293f", - "compiler": { - "name": "solc", - "version": "soljson-v0.4.24+commit.e67f0147.js", - "settings": { - "optimizer": { - "enabled": true, - "runs": 1000000 - }, - "outputSelection": { - "*": { - "*": [ - "abi", - "evm.bytecode.object", - "evm.bytecode.sourceMap", - "evm.deployedBytecode.object", - "evm.deployedBytecode.sourceMap" - ] - } - } - } - }, - "networks": {} -} \ No newline at end of file diff --git a/packages/migrations/artifacts/2.0.0-beta-testnet/ERC20Proxy.json b/packages/migrations/artifacts/2.0.0-beta-testnet/ERC20Proxy.json deleted file mode 100644 index 17ca039b5..000000000 --- a/packages/migrations/artifacts/2.0.0-beta-testnet/ERC20Proxy.json +++ /dev/null @@ -1,508 +0,0 @@ -{ - "schemaVersion": "2.0.0", - "contractName": "ERC20Proxy", - "compilerOutput": { - "abi": [ - { - "constant": false, - "inputs": [ - { - "name": "target", - "type": "address" - } - ], - "name": "addAuthorizedAddress", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "", - "type": "uint256" - } - ], - "name": "authorities", - "outputs": [ - { - "name": "", - "type": "address" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "target", - "type": "address" - } - ], - "name": "removeAuthorizedAddress", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": true, - "inputs": [], - "name": "owner", - "outputs": [ - { - "name": "", - "type": "address" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "target", - "type": "address" - }, - { - "name": "index", - "type": "uint256" - } - ], - "name": "removeAuthorizedAddressAtIndex", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": true, - "inputs": [], - "name": "getProxyId", - "outputs": [ - { - "name": "", - "type": "bytes4" - } - ], - "payable": false, - "stateMutability": "pure", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "", - "type": "address" - } - ], - "name": "authorized", - "outputs": [ - { - "name": "", - "type": "bool" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [], - "name": "getAuthorizedAddresses", - "outputs": [ - { - "name": "", - "type": "address[]" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "newOwner", - "type": "address" - } - ], - "name": "transferOwnership", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "payable": false, - "stateMutability": "nonpayable", - "type": "fallback" - }, - { - "anonymous": false, - "inputs": [ - { - "indexed": true, - "name": "target", - "type": "address" - }, - { - "indexed": true, - "name": "caller", - "type": "address" - } - ], - "name": "AuthorizedAddressAdded", - "type": "event" - }, - { - "anonymous": false, - "inputs": [ - { - "indexed": true, - "name": "target", - "type": "address" - }, - { - "indexed": true, - "name": "caller", - "type": "address" - } - ], - "name": "AuthorizedAddressRemoved", - "type": "event" - } - ], - "evm": { - "bytecode": { - "linkReferences": {}, - "object": 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0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ PUSH2 0xBC2 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1B PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x415554484F52495A45445F414444524553535F4D49534D415443480000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE PUSH1 0x2 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 ADD SWAP1 DUP2 LT PUSH2 0xC3D JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH1 0x2 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND SWAP2 DUP4 SWAP1 DUP2 LT PUSH2 0xC70 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP3 SWAP1 SWAP3 AND SWAP2 SWAP1 SWAP2 OR SWAP1 SSTORE PUSH1 0x2 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 PUSH2 0xCEF SWAP1 DUP3 PUSH2 0xED7 JUMP JUMPDEST POP PUSH1 0x40 MLOAD CALLER SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND SWAP1 PUSH32 0x1F32C1B084E2DE0713B8FB16BD46BB9DF710A3DBEAE2F3CA93AF46E016DCC6B0 SWAP1 PUSH1 0x0 SWAP1 LOG3 POP POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x4552433230546F6B656E28616464726573732900000000000000000000000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x13 ADD SWAP1 KECCAK256 JUMPDEST SWAP1 JUMP JUMPDEST PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x2 DUP1 SLOAD DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP1 SLOAD DUP1 ISZERO PUSH2 0xDE7 JUMPI PUSH1 0x20 MUL DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0xDBC JUMPI JUMPDEST POP POP POP POP POP SWAP1 POP SWAP1 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xE77 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0xED4 JUMPI PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND OR SWAP1 SSTORE JUMPDEST POP JUMP JUMPDEST DUP2 SLOAD DUP2 DUP4 SSTORE DUP2 DUP2 GT ISZERO PUSH2 0xEFB JUMPI PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x20 SWAP1 KECCAK256 PUSH2 0xEFB SWAP2 DUP2 ADD SWAP1 DUP4 ADD PUSH2 0xF00 JUMP JUMPDEST POP POP POP JUMP JUMPDEST PUSH2 0xD6A SWAP2 SWAP1 JUMPDEST DUP1 DUP3 GT ISZERO PUSH2 0xF1A JUMPI PUSH1 0x0 DUP2 SSTORE PUSH1 0x1 ADD PUSH2 0xF06 JUMP JUMPDEST POP SWAP1 JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 0xf6 0xb2 0xca 0xdd LOG0 0xbe SWAP12 0x47 RETURN PUSH31 0xD4A850B096E49B5E2E8BB7446D65481ADECF980824A0002900000000000000 ", - "sourceMap": "641:8586:14:-;;;162:5:63;:18;;-1:-1:-1;;;;;;162:18:63;170:10;162:18;;;641:8586:14;;;;;;" - }, - "deployedBytecode": { - "linkReferences": {}, - "object": 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- "opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0x98 JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x42F1181E DUP2 EQ PUSH2 0x248 JUMPI DUP1 PUSH4 0x494503D4 EQ PUSH2 0x278 JUMPI DUP1 PUSH4 0x70712939 EQ PUSH2 0x2B9 JUMPI DUP1 PUSH4 0x8DA5CB5B EQ PUSH2 0x2E7 JUMPI DUP1 PUSH4 0x9AD26744 EQ PUSH2 0x2FC JUMPI DUP1 PUSH4 0xAE25532E EQ PUSH2 0x32D JUMPI DUP1 PUSH4 0xB9181611 EQ PUSH2 0x377 JUMPI DUP1 PUSH4 0xD39DE6E9 EQ PUSH2 0x3B9 JUMPI DUP1 PUSH4 0xF2FDE38B EQ PUSH2 0x41E JUMPI JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xA4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD AND PUSH32 0xA85E59E400000000000000000000000000000000000000000000000000000000 DUP2 EQ ISZERO PUSH2 0x243 JUMPI PUSH1 0x40 DUP1 MLOAD CALLER DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP3 ADD MSTORE SWAP1 DUP2 KECCAK256 SLOAD ISZERO ISZERO PUSH2 0x17B JUMPI PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 PUSH1 0x0 MSTORE PUSH29 0x2000000000000000000000000000000000000000000000000000000000 PUSH1 0x20 MSTORE PUSH29 0x1553454E4445525F4E4F545F415554484F52495A454400000000000000 PUSH1 0x40 MSTORE PUSH1 0x0 PUSH1 0x60 MSTORE PUSH1 0x64 PUSH1 0x0 REVERT JUMPDEST PUSH1 0x28 PUSH1 0x4 CALLDATALOAD ADD CALLDATALOAD PUSH32 0x23B872DD00000000000000000000000000000000000000000000000000000000 PUSH1 0x0 MSTORE PUSH1 0x60 PUSH1 0x24 PUSH1 0x4 CALLDATACOPY PUSH1 0x20 PUSH1 0x0 PUSH1 0x64 PUSH1 0x0 DUP1 DUP6 GAS CALL PUSH1 0x0 DUP1 MLOAD GT PUSH1 0x20 RETURNDATASIZE EQ AND RETURNDATASIZE ISZERO OR DUP2 AND SWAP1 POP DUP1 ISZERO PUSH2 0x1D2 JUMPI STOP JUMPDEST PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 PUSH1 0x0 MSTORE PUSH29 0x2000000000000000000000000000000000000000000000000000000000 PUSH1 0x20 MSTORE PUSH29 0xF5452414E534645525F4641494C454400000000000000000000000000 PUSH1 0x40 MSTORE PUSH1 0x0 PUSH1 0x60 MSTORE PUSH1 0x64 PUSH1 0x0 REVERT JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x254 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x276 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x44C JUMP JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x284 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x290 PUSH1 0x4 CALLDATALOAD PUSH2 0x638 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2C5 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x276 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x66D JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2F3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x290 PUSH2 0x966 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x308 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x276 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x982 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x339 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x342 PUSH2 0xD37 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x383 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x3A5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0xD6D JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3C5 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x3CE PUSH2 0xD82 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 DUP2 ADD SWAP2 MUL DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x40A JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x3F2 JUMP JUMPDEST POP POP POP POP SWAP1 POP ADD SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x42A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x276 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0xDF1 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x4D2 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x567 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x19 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x5441524745545F414C52454144595F415554484F52495A454400000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND DUP4 OR SWAP1 SSTORE PUSH1 0x2 DUP1 SLOAD SWAP3 DUP4 ADD DUP2 SSTORE DUP4 MSTORE PUSH32 0x405787FA12A823E0F2B7631CC41B3BA8828B3321CA811111FA75CD3AA3BB5ACE SWAP1 SWAP2 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND DUP5 OR SWAP1 SSTORE MLOAD CALLER SWAP3 SWAP2 PUSH32 0x3147867C59D17E8FA9D522465651D44AAE0A9E38F902F3475B97E58072F0ED4C SWAP2 LOG3 POP JUMP JUMPDEST PUSH1 0x2 DUP1 SLOAD DUP3 SWAP1 DUP2 LT PUSH2 0x646 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 POP DUP2 JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x6F4 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x78A JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x5441524745545F4E4F545F415554484F52495A45440000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE JUMPDEST PUSH1 0x2 SLOAD DUP2 LT ISZERO PUSH2 0x91F JUMPI DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x2 DUP3 DUP2 SLOAD DUP2 LT ISZERO ISZERO PUSH2 0x807 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO PUSH2 0x917 JUMPI PUSH1 0x2 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 ADD SWAP1 DUP2 LT PUSH2 0x85F JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH1 0x2 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND SWAP2 DUP4 SWAP1 DUP2 LT PUSH2 0x892 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP3 SWAP1 SWAP3 AND SWAP2 SWAP1 SWAP2 OR SWAP1 SSTORE PUSH1 0x2 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 PUSH2 0x911 SWAP1 DUP3 PUSH2 0xED7 JUMP JUMPDEST POP PUSH2 0x91F JUMP JUMPDEST PUSH1 0x1 ADD PUSH2 0x7D7 JUMP JUMPDEST PUSH1 0x40 MLOAD CALLER SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND SWAP1 PUSH32 0x1F32C1B084E2DE0713B8FB16BD46BB9DF710A3DBEAE2F3CA93AF46E016DCC6B0 SWAP1 PUSH1 0x0 SWAP1 LOG3 POP POP JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xA08 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO ISZERO PUSH2 0xA9E JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x5441524745545F4E4F545F415554484F52495A45440000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x2 SLOAD DUP2 LT PUSH2 0xB0E JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x494E4445585F4F55545F4F465F424F554E445300000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x2 DUP3 DUP2 SLOAD DUP2 LT ISZERO ISZERO PUSH2 0xB34 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ PUSH2 0xBC2 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1B PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x415554484F52495A45445F414444524553535F4D49534D415443480000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE PUSH1 0x2 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 ADD SWAP1 DUP2 LT PUSH2 0xC3D JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH1 0x2 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND SWAP2 DUP4 SWAP1 DUP2 LT PUSH2 0xC70 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP3 SWAP1 SWAP3 AND SWAP2 SWAP1 SWAP2 OR SWAP1 SSTORE PUSH1 0x2 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 PUSH2 0xCEF SWAP1 DUP3 PUSH2 0xED7 JUMP JUMPDEST POP PUSH1 0x40 MLOAD CALLER SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND SWAP1 PUSH32 0x1F32C1B084E2DE0713B8FB16BD46BB9DF710A3DBEAE2F3CA93AF46E016DCC6B0 SWAP1 PUSH1 0x0 SWAP1 LOG3 POP POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x4552433230546F6B656E28616464726573732900000000000000000000000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x13 ADD SWAP1 KECCAK256 JUMPDEST SWAP1 JUMP JUMPDEST PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x2 DUP1 SLOAD DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP1 SLOAD DUP1 ISZERO PUSH2 0xDE7 JUMPI PUSH1 0x20 MUL DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0xDBC JUMPI JUMPDEST POP POP POP POP POP SWAP1 POP SWAP1 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xE77 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0xED4 JUMPI PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND OR SWAP1 SSTORE JUMPDEST POP JUMP JUMPDEST DUP2 SLOAD DUP2 DUP4 SSTORE DUP2 DUP2 GT ISZERO PUSH2 0xEFB JUMPI PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x20 SWAP1 KECCAK256 PUSH2 0xEFB SWAP2 DUP2 ADD SWAP1 DUP4 ADD PUSH2 0xF00 JUMP JUMPDEST POP POP POP JUMP JUMPDEST PUSH2 0xD6A SWAP2 SWAP1 JUMPDEST DUP1 DUP3 GT ISZERO PUSH2 0xF1A JUMPI PUSH1 0x0 DUP2 SSTORE PUSH1 0x1 ADD PUSH2 0xF06 JUMP JUMPDEST POP SWAP1 JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 0xf6 0xb2 0xca 0xdd LOG0 0xbe SWAP12 0x47 RETURN PUSH31 0xD4A850B096E49B5E2E8BB7446D65481ADECF980824A0002900000000000000 ", - "sourceMap": 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- } - } - }, - "sources": { - "2.0.0/extensions/Forwarder/Forwarder.sol": { - "id": 0 - }, - "2.0.0/extensions/Forwarder/MixinAssets.sol": { - "id": 1 - }, - "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": { - "id": 2 - }, - "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": { - "id": 3 - }, - "2.0.0/extensions/Forwarder/MixinWeth.sol": { - "id": 4 - }, - "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": { - "id": 5 - }, - "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": { - "id": 6 - }, - "2.0.0/extensions/Forwarder/libs/LibConstants.sol": { - "id": 7 - }, - "2.0.0/extensions/Forwarder/mixins/MAssets.sol": { - "id": 8 - }, - "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": { - "id": 9 - }, - "2.0.0/extensions/Forwarder/mixins/MWeth.sol": { - "id": 10 - }, - "2.0.0/extensions/OrderValidator/OrderValidator.sol": { - "id": 11 - }, - "2.0.0/multisig/MultiSigWallet.sol": { - "id": 12 - }, - "2.0.0/multisig/MultiSigWalletWithTimeLock.sol": { - "id": 13 - }, - "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": { - "id": 14 - }, - "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": { - "id": 15 - }, - "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": { - "id": 16 - }, - "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": { - "id": 17 - }, - "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": { - "id": 18 - }, - "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": { - "id": 19 - }, - "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": { - "id": 20 - }, - "2.0.0/protocol/Exchange/Exchange.sol": { - "id": 21 - }, - "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": { - "id": 22 - }, - "2.0.0/protocol/Exchange/MixinExchangeCore.sol": { - "id": 23 - }, - "2.0.0/protocol/Exchange/MixinMatchOrders.sol": { - "id": 24 - }, - "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": { - "id": 25 - }, - "2.0.0/protocol/Exchange/MixinTransactions.sol": { - "id": 26 - }, - "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": { - "id": 27 - }, - "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": { - "id": 28 - }, - "2.0.0/protocol/Exchange/interfaces/IExchange.sol": { - "id": 29 - }, - "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": { - "id": 30 - }, - "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": { - "id": 31 - }, - "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": { - "id": 32 - }, - "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": { - "id": 33 - }, - "2.0.0/protocol/Exchange/interfaces/IValidator.sol": { - "id": 34 - }, - "2.0.0/protocol/Exchange/interfaces/IWallet.sol": { - "id": 35 - }, - "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": { - "id": 36 - }, - "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": { - "id": 37 - }, - "2.0.0/protocol/Exchange/libs/LibConstants.sol": { - "id": 38 - }, - "2.0.0/protocol/Exchange/libs/LibEIP712.sol": { - "id": 39 - }, - "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": { - "id": 40 - }, - "2.0.0/protocol/Exchange/libs/LibFillResults.sol": { - "id": 41 - }, - "2.0.0/protocol/Exchange/libs/LibMath.sol": { - "id": 42 - }, - "2.0.0/protocol/Exchange/libs/LibOrder.sol": { - "id": 43 - }, - "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": { - "id": 44 - }, - "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": { - "id": 45 - }, - "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": { - "id": 46 - }, - "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": { - "id": 47 - }, - "2.0.0/protocol/Exchange/mixins/MTransactions.sol": { - "id": 48 - }, - "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": { - "id": 49 - }, - "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": { - "id": 50 - }, - "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": { - "id": 51 - }, - "2.0.0/tokens/ERC20Token/ERC20Token.sol": { - "id": 52 - }, - "2.0.0/tokens/ERC20Token/IERC20Token.sol": { - "id": 53 - }, - "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": { - "id": 54 - }, - "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": { - "id": 55 - }, - "2.0.0/tokens/ERC721Token/ERC721Token.sol": { - "id": 56 - }, - "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": { - "id": 57 - }, - "2.0.0/tokens/ERC721Token/IERC721Token.sol": { - "id": 58 - }, - "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": { - "id": 59 - }, - "2.0.0/tokens/EtherToken/IEtherToken.sol": { - "id": 60 - }, - "2.0.0/utils/LibBytes/LibBytes.sol": { - "id": 61 - }, - "2.0.0/utils/Ownable/IOwnable.sol": { - "id": 62 - }, - "2.0.0/utils/Ownable/Ownable.sol": { - "id": 63 - }, - "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": { - "id": 64 - }, - "2.0.0/utils/SafeMath/SafeMath.sol": { - "id": 65 - } - }, - "sourceCodes": { - "2.0.0/extensions/Forwarder/Forwarder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinWeth.sol\";\nimport \"./MixinForwarderCore.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinAssets.sol\";\nimport \"./MixinExchangeWrapper.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Forwarder is\n LibConstants,\n MixinWeth,\n MixinAssets,\n MixinExchangeWrapper,\n MixinForwarderCore\n{\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n LibConstants(\n _exchange,\n _zrxAssetData,\n _wethAssetData\n )\n MixinForwarderCore()\n {}\n}\n", - "2.0.0/extensions/Forwarder/MixinAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MAssets.sol\";\n\n\ncontract MixinAssets is\n Ownable,\n LibConstants,\n MAssets\n{\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256(\"transfer(address,uint256)\"));\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external\n onlyOwner\n {\n transferAssetToSender(assetData, amount);\n }\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n bytes4 proxyId = assetData.readBytes4(0);\n\n if (proxyId == ERC20_DATA_ID) {\n transferERC20Token(assetData, amount);\n } else if (proxyId == ERC721_DATA_ID) {\n transferERC721Token(assetData, amount);\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n }\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n address token = assetData.readAddress(16);\n\n // Transfer tokens.\n // We do a raw call so we can check the success separate\n // from the return data.\n bool success = token.call(abi.encodeWithSelector(\n ERC20_TRANSFER_SELECTOR,\n msg.sender,\n amount\n ));\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n \n // Check return data.\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // value that evaluates to true.\n assembly {\n if returndatasize {\n success := 0\n if eq(returndatasize, 32) {\n // First 64 bytes of memory are reserved scratch space\n returndatacopy(0, 0, 32)\n success := mload(0)\n }\n }\n }\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n }\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n require(\n amount == 1,\n \"INVALID_AMOUNT\"\n );\n // Decode asset data.\n address token = assetData.readAddress(16);\n uint256 tokenId = assetData.readUint256(36);\n\n // Perform transfer.\n IERC721Token(token).transferFrom(\n address(this),\n msg.sender,\n tokenId\n );\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"../../protocol/Exchange/libs/LibAbiEncoder.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinExchangeWrapper is\n LibAbiEncoder,\n LibFillResults,\n LibMath,\n LibConstants,\n MExchangeWrapper\n{\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n address exchange = address(EXCHANGE);\n\n // Call `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := call(\n gas, // forward all gas\n exchange, // call address of Exchange contract\n 0, // transfer 0 wei\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of WETH to sell\n uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of WETH\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount;\n if (makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n\n require(\n makerAssetFilledAmount >= makerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n // Do nothing if zrxBuyAmount == 0\n if (zrxBuyAmount == 0) {\n return totalFillResults;\n }\n\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n uint256 zrxPurchased = 0;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // All of these are ZRX/WETH, so we can drop the respective assetData from calldata.\n orders[i].makerAssetData = zrxAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of ZRX to buy.\n uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased);\n\n // Convert the remaining amount of ZRX to buy into remaining amount\n // of WETH to sell, assuming entire amount can be sold in the current order.\n uint256 remainingWethSellAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees \n remainingZrxBuyAmount\n );\n\n // Attempt to sell the remaining amount of WETH.\n FillResults memory singleFillResult = fillOrderNoThrow(\n orders[i],\n safeAdd(remainingWethSellAmount, 1), // we add 1 wei to the fill amount to make up for rounding errors\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker.\n addFillResults(totalFillResults, singleFillResult);\n zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid);\n\n // Stop execution if the entire amount of ZRX has been bought.\n if (zrxPurchased >= zrxBuyAmount) {\n break;\n }\n }\n\n require(\n zrxPurchased >= zrxBuyAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\nimport \"./mixins/MAssets.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"./interfaces/IForwarderCore.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinForwarderCore is\n LibFillResults,\n LibMath,\n LibConstants,\n MWeth,\n MAssets,\n MExchangeWrapper,\n IForwarderCore\n{\n using LibBytes for bytes;\n\n /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf.\n constructor ()\n public\n {\n address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID);\n require(\n proxyAddress != address(0),\n \"UNREGISTERED_ASSET_PROXY\"\n );\n ETHER_TOKEN.approve(proxyAddress, MAX_UINT);\n ZRX_TOKEN.approve(proxyAddress, MAX_UINT);\n }\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 wethSellAmount;\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // Calculate amount of WETH that won't be spent on ETH fees.\n wethSellAmount = getPartialAmountFloor(\n PERCENTAGE_DENOMINATOR,\n safeAdd(PERCENTAGE_DENOMINATOR, feePercentage),\n msg.value\n );\n // Market sell available WETH.\n // ZRX fees are paid with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // 5% of WETH is reserved for filling feeOrders and paying feeRecipient.\n wethSellAmount = getPartialAmountFloor(\n MAX_WETH_FILL_PERCENTAGE,\n PERCENTAGE_DENOMINATOR,\n msg.value\n );\n // Market sell 95% of WETH.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // If the makerAsset is ZRX, it is not necessary to pay fees out of this\n // contracts's ZRX balance because fees are factored into the price of the order.\n orderFillResults = marketBuyExactZrxWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // Attemp to purchase desired amount of makerAsset.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketBuyExactAmountWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\n\n\ncontract MixinWeth is\n LibMath,\n LibConstants,\n MWeth\n{\n /// @dev Default payabale function, this allows us to withdraw WETH\n function ()\n public\n payable\n {\n require(\n msg.sender == address(ETHER_TOKEN),\n \"DEFAULT_FUNCTION_WETH_CONTRACT_ONLY\"\n );\n }\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal\n {\n require(\n msg.value > 0,\n \"INVALID_MSG_VALUE\"\n );\n ETHER_TOKEN.deposit.value(msg.value)();\n }\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal\n {\n // Ensure feePercentage is less than 5%.\n require(\n feePercentage <= MAX_FEE_PERCENTAGE,\n \"FEE_PERCENTAGE_TOO_LARGE\"\n );\n\n // Ensure that no extra WETH owned by this contract has been sold.\n uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx);\n require(\n wethSold <= msg.value,\n \"OVERSOLD_WETH\"\n );\n\n // Calculate amount of WETH that hasn't been sold.\n uint256 wethRemaining = safeSub(msg.value, wethSold);\n\n // Calculate ETH fee to pay to feeRecipient.\n uint256 ethFee = getPartialAmountFloor(\n feePercentage,\n PERCENTAGE_DENOMINATOR,\n wethSoldExcludingFeeOrders\n );\n\n // Ensure fee is less than amount of WETH remaining.\n require(\n ethFee <= wethRemaining,\n \"INSUFFICIENT_ETH_REMAINING\"\n );\n \n // Do nothing if no WETH remaining\n if (wethRemaining > 0) {\n // Convert remaining WETH to ETH\n ETHER_TOKEN.withdraw(wethRemaining);\n\n // Pay ETH to feeRecipient\n if (ethFee > 0) {\n feeRecipient.transfer(ethFee);\n }\n\n // Refund remaining ETH to msg.sender.\n uint256 ethRefund = safeSub(wethRemaining, ethFee);\n if (ethRefund > 0) {\n msg.sender.transfer(ethRefund);\n }\n }\n }\n}\n", - "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssets {\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external;\n}\n", - "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract IForwarderCore {\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n}\n", - "2.0.0/extensions/Forwarder/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/LibBytes/LibBytes.sol\";\nimport \"../../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../../tokens/EtherToken/IEtherToken.sol\";\nimport \"../../../tokens/ERC20Token/IERC20Token.sol\";\n\n\ncontract LibConstants {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n uint256 constant internal MAX_UINT = 2**256 - 1;\n uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; \n uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5%\n uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95%\n \n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n IEtherToken internal ETHER_TOKEN;\n IERC20Token internal ZRX_TOKEN;\n bytes internal ZRX_ASSET_DATA;\n bytes internal WETH_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n WETH_ASSET_DATA = _wethAssetData;\n\n address etherToken = _wethAssetData.readAddress(16);\n address zrxToken = _zrxAssetData.readAddress(16);\n ETHER_TOKEN = IEtherToken(etherToken);\n ZRX_TOKEN = IERC20Token(zrxToken);\n }\n}\n", - "2.0.0/extensions/Forwarder/mixins/MAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssets.sol\";\n\n\ncontract MAssets is\n IAssets\n{\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n}\n", - "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract MExchangeWrapper {\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n}\n", - "2.0.0/extensions/Forwarder/mixins/MWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract MWeth {\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal;\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal;\n}\n", - "2.0.0/extensions/OrderValidator/OrderValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract OrderValidator {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n struct TraderInfo {\n uint256 makerBalance; // Maker's balance of makerAsset\n uint256 makerAllowance; // Maker's allowance to corresponding AssetProxy\n uint256 takerBalance; // Taker's balance of takerAsset\n uint256 takerAllowance; // Taker's allowance to corresponding AssetProxy\n uint256 makerZrxBalance; // Maker's balance of ZRX\n uint256 makerZrxAllowance; // Maker's allowance of ZRX to ERC20Proxy\n uint256 takerZrxBalance; // Taker's balance of ZRX\n uint256 takerZrxAllowance; // Taker's allowance of ZRX to ERC20Proxy\n }\n\n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n bytes internal ZRX_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (address _exchange, bytes memory _zrxAssetData)\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n }\n\n /// @dev Fetches information for order and maker/taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return OrderInfo and TraderInfo instances for given order.\n function getOrderAndTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo, TraderInfo memory traderInfo)\n {\n orderInfo = EXCHANGE.getOrderInfo(order);\n traderInfo = getTraderInfo(order, takerAddress);\n return (orderInfo, traderInfo);\n }\n\n /// @dev Fetches information for all passed in orders and the makers/takers of each order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Arrays of OrderInfo and TraderInfo instances that correspond to each order.\n function getOrdersAndTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (LibOrder.OrderInfo[] memory ordersInfo, TraderInfo[] memory tradersInfo)\n {\n ordersInfo = EXCHANGE.getOrdersInfo(orders);\n tradersInfo = getTradersInfo(orders, takerAddresses);\n return (ordersInfo, tradersInfo);\n }\n\n /// @dev Fetches balance and allowances for maker and taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return Balances and allowances of maker and taker of order.\n function getTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (TraderInfo memory traderInfo)\n {\n (traderInfo.makerBalance, traderInfo.makerAllowance) = getBalanceAndAllowance(order.makerAddress, order.makerAssetData);\n (traderInfo.takerBalance, traderInfo.takerAllowance) = getBalanceAndAllowance(takerAddress, order.takerAssetData);\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n (traderInfo.makerZrxBalance, traderInfo.makerZrxAllowance) = getBalanceAndAllowance(order.makerAddress, zrxAssetData);\n (traderInfo.takerZrxBalance, traderInfo.takerZrxAllowance) = getBalanceAndAllowance(takerAddress, zrxAssetData);\n return traderInfo;\n }\n\n /// @dev Fetches balances and allowances of maker and taker for each provided order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Array of balances and allowances for maker and taker of each order.\n function getTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (TraderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n TraderInfo[] memory tradersInfo = new TraderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n tradersInfo[i] = getTraderInfo(orders[i], takerAddresses[i]);\n }\n return tradersInfo;\n }\n\n /// @dev Fetches token balances and allowances of an address to given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Encoded data that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balance of asset and allowance set to given proxy of asset.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalanceAndAllowance(address target, bytes memory assetData)\n public\n view\n returns (uint256 balance, uint256 allowance)\n {\n bytes4 assetProxyId = assetData.readBytes4(0);\n address token = assetData.readAddress(16);\n address assetProxy = EXCHANGE.getAssetProxy(assetProxyId);\n\n if (assetProxyId == ERC20_DATA_ID) {\n // Query balance\n balance = IERC20Token(token).balanceOf(target);\n\n // Query allowance\n allowance = IERC20Token(token).allowance(target, assetProxy);\n } else if (assetProxyId == ERC721_DATA_ID) {\n uint256 tokenId = assetData.readUint256(36);\n\n // Query owner of tokenId\n address owner = getERC721TokenOwner(token, tokenId);\n\n // Set balance to 1 if tokenId is owned by target\n balance = target == owner ? 1 : 0;\n\n // Check if ERC721Proxy is approved to spend tokenId\n bool isApproved = IERC721Token(token).isApprovedForAll(target, assetProxy) || IERC721Token(token).getApproved(tokenId) == assetProxy;\n \n // Set alowance to 1 if ERC721Proxy is approved to spend tokenId\n allowance = isApproved ? 1 : 0;\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n return (balance, allowance);\n }\n\n /// @dev Fetches token balances and allowances of an address for each given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Array of encoded byte arrays that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balances and allowances of assets.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalancesAndAllowances(address target, bytes[] memory assetData)\n public\n view\n returns (uint256[] memory, uint256[] memory)\n {\n uint256 length = assetData.length;\n uint256[] memory balances = new uint256[](length);\n uint256[] memory allowances = new uint256[](length);\n for (uint256 i = 0; i != length; i++) {\n (balances[i], allowances[i]) = getBalanceAndAllowance(target, assetData[i]);\n }\n return (balances, allowances);\n }\n\n /// @dev Calls `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token.\n /// @param token Address of ERC721 token.\n /// @param tokenId The identifier for the specific NFT.\n /// @return Owner of tokenId or null address if unowned.\n function getERC721TokenOwner(address token, uint256 tokenId)\n public\n view\n returns (address owner)\n {\n assembly {\n // load free memory pointer\n let cdStart := mload(64)\n\n // bytes4(keccak256(ownerOf(uint256))) = 0x6352211e\n mstore(cdStart, 0x6352211e00000000000000000000000000000000000000000000000000000000)\n mstore(add(cdStart, 4), tokenId)\n\n // staticcall `ownerOf(tokenId)`\n // `ownerOf` will revert if tokenId is not owned\n let success := staticcall(\n gas, // forward all gas\n token, // call token contract\n cdStart, // start of calldata\n 36, // length of input is 36 bytes\n cdStart, // write output over input\n 32 // size of output is 32 bytes\n )\n\n // Success implies that tokenId is owned\n // Copy owner from return data if successful\n if success {\n owner := mload(cdStart)\n } \n }\n\n // Owner initialized to address(0), no need to modify if call is unsuccessful\n return owner;\n }\n}\n", - "2.0.0/multisig/MultiSigWallet.sol": "// solhint-disable\npragma solidity ^0.4.15;\n\n\n/// @title Multisignature wallet - Allows multiple parties to agree on transactions before execution.\n/// @author Stefan George - \ncontract MultiSigWallet {\n\n /*\n * Events\n */\n event Confirmation(address indexed sender, uint indexed transactionId);\n event Revocation(address indexed sender, uint indexed transactionId);\n event Submission(uint indexed transactionId);\n event Execution(uint indexed transactionId);\n event ExecutionFailure(uint indexed transactionId);\n event Deposit(address indexed sender, uint value);\n event OwnerAddition(address indexed owner);\n event OwnerRemoval(address indexed owner);\n event RequirementChange(uint required);\n\n /*\n * Constants\n */\n uint constant public MAX_OWNER_COUNT = 50;\n\n /*\n * Storage\n */\n mapping (uint => Transaction) public transactions;\n mapping (uint => mapping (address => bool)) public confirmations;\n mapping (address => bool) public isOwner;\n address[] public owners;\n uint public required;\n uint public transactionCount;\n\n struct Transaction {\n address destination;\n uint value;\n bytes data;\n bool executed;\n }\n\n /*\n * Modifiers\n */\n modifier onlyWallet() {\n require(msg.sender == address(this));\n _;\n }\n\n modifier ownerDoesNotExist(address owner) {\n require(!isOwner[owner]);\n _;\n }\n\n modifier ownerExists(address owner) {\n require(isOwner[owner]);\n _;\n }\n\n modifier transactionExists(uint transactionId) {\n require(transactions[transactionId].destination != 0);\n _;\n }\n\n modifier confirmed(uint transactionId, address owner) {\n require(confirmations[transactionId][owner]);\n _;\n }\n\n modifier notConfirmed(uint transactionId, address owner) {\n require(!confirmations[transactionId][owner]);\n _;\n }\n\n modifier notExecuted(uint transactionId) {\n require(!transactions[transactionId].executed);\n _;\n }\n\n modifier notNull(address _address) {\n require(_address != 0);\n _;\n }\n\n modifier validRequirement(uint ownerCount, uint _required) {\n require(ownerCount <= MAX_OWNER_COUNT\n && _required <= ownerCount\n && _required != 0\n && ownerCount != 0);\n _;\n }\n\n /// @dev Fallback function allows to deposit ether.\n function()\n payable\n {\n if (msg.value > 0)\n Deposit(msg.sender, msg.value);\n }\n\n /*\n * Public functions\n */\n /// @dev Contract constructor sets initial owners and required number of confirmations.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n function MultiSigWallet(address[] _owners, uint _required)\n public\n validRequirement(_owners.length, _required)\n {\n for (uint i=0; i<_owners.length; i++) {\n require(!isOwner[_owners[i]] && _owners[i] != 0);\n isOwner[_owners[i]] = true;\n }\n owners = _owners;\n required = _required;\n }\n\n /// @dev Allows to add a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of new owner.\n function addOwner(address owner)\n public\n onlyWallet\n ownerDoesNotExist(owner)\n notNull(owner)\n validRequirement(owners.length + 1, required)\n {\n isOwner[owner] = true;\n owners.push(owner);\n OwnerAddition(owner);\n }\n\n /// @dev Allows to remove an owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner.\n function removeOwner(address owner)\n public\n onlyWallet\n ownerExists(owner)\n {\n isOwner[owner] = false;\n for (uint i=0; i owners.length)\n changeRequirement(owners.length);\n OwnerRemoval(owner);\n }\n\n /// @dev Allows to replace an owner with a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner to be replaced.\n /// @param newOwner Address of new owner.\n function replaceOwner(address owner, address newOwner)\n public\n onlyWallet\n ownerExists(owner)\n ownerDoesNotExist(newOwner)\n {\n for (uint i=0; i\n// solhint-disable not-rely-on-time\ncontract MultiSigWalletWithTimeLock is\n MultiSigWallet\n{\n event ConfirmationTimeSet(uint256 indexed transactionId, uint256 confirmationTime);\n event TimeLockChange(uint256 secondsTimeLocked);\n\n uint256 public secondsTimeLocked;\n\n mapping (uint256 => uint256) public confirmationTimes;\n\n modifier notFullyConfirmed(uint256 transactionId) {\n require(\n !isConfirmed(transactionId),\n \"TX_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier fullyConfirmed(uint256 transactionId) {\n require(\n isConfirmed(transactionId),\n \"TX_NOT_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier pastTimeLock(uint256 transactionId) {\n require(\n block.timestamp >= confirmationTimes[transactionId] + secondsTimeLocked,\n \"TIME_LOCK_INCOMPLETE\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations, and time lock.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] _owners,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWallet(_owners, _required)\n {\n secondsTimeLocked = _secondsTimeLocked;\n }\n\n /// @dev Changes the duration of the time lock for transactions.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n function changeTimeLock(uint256 _secondsTimeLocked)\n public\n onlyWallet\n {\n secondsTimeLocked = _secondsTimeLocked;\n emit TimeLockChange(_secondsTimeLocked);\n }\n\n /// @dev Allows an owner to confirm a transaction.\n /// @param transactionId Transaction ID.\n function confirmTransaction(uint256 transactionId)\n public\n ownerExists(msg.sender)\n transactionExists(transactionId)\n notConfirmed(transactionId, msg.sender)\n notFullyConfirmed(transactionId)\n {\n confirmations[transactionId][msg.sender] = true;\n emit Confirmation(msg.sender, transactionId);\n if (isConfirmed(transactionId)) {\n setConfirmationTime(transactionId, block.timestamp);\n }\n }\n\n /// @dev Allows anyone to execute a confirmed transaction.\n /// @param transactionId Transaction ID.\n function executeTransaction(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n pastTimeLock(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n\n /// @dev Sets the time of when a submission first passed.\n function setConfirmationTime(uint256 transactionId, uint256 confirmationTime)\n internal\n {\n confirmationTimes[transactionId] = confirmationTime;\n emit ConfirmationTimeSet(transactionId, confirmationTime);\n }\n}\n", - "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC20Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n \n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 1 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n\n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. amount |\n\n /////// Read token address from calldata ///////\n // * The token address is stored in `assetData`.\n //\n // * The \"offset to assetData\" is stored at offset 4 in the calldata (table 1).\n // [assetDataOffsetFromParams = calldataload(4)]\n //\n // * Notes that the \"offset to assetData\" is relative to the \"Params\" area of calldata;\n // add 4 bytes to account for the length of the \"Header\" area (table 1).\n // [assetDataOffsetFromHeader = assetDataOffsetFromParams + 4]\n //\n // * The \"token address\" is offset 32+4=36 bytes into \"assetData\" (tables 1 & 2).\n // [tokenOffset = assetDataOffsetFromHeader + 36 = calldataload(4) + 4 + 36]\n let token := calldataload(add(calldataload(4), 40))\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from`, `to` and `amount` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 96)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output over input\n 32 // output size should be 32 bytes\n )\n\n /////// Check return data. ///////\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // nonzero 32 bytes value.\n // So the transfer succeeded if the call succeeded and either\n // returned nothing, or returned a non-zero 32 byte value. \n success := and(success, or(\n iszero(returndatasize),\n and(\n eq(returndatasize, 32),\n gt(mload(0), 0)\n )\n ))\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", - "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC721Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 2 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n // | | 36 | | 2. tokenId |\n \n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. tokenId |\n\n // There exists only 1 of each token.\n // require(amount == 1, \"INVALID_AMOUNT\")\n if sub(calldataload(100), 1) {\n // Revert with `Error(\"INVALID_AMOUNT\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from` and `to` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 64)\n\n // Copy `tokenId` field from our own calldata to the new calldata.\n let assetDataOffset := calldataload(4)\n calldatacopy(68, add(assetDataOffset, 72), 32)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let token := calldataload(add(assetDataOffset, 40))\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output to null\n 0 // output size is 0 bytes\n )\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", - "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAuthorizable.sol\";\n\n\ncontract MixinAuthorizable is\n Ownable,\n MAuthorizable\n{\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized {\n require(\n authorized[msg.sender],\n \"SENDER_NOT_AUTHORIZED\"\n );\n _;\n }\n\n mapping (address => bool) public authorized;\n address[] public authorities;\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n !authorized[target],\n \"TARGET_ALREADY_AUTHORIZED\"\n );\n\n authorized[target] = true;\n authorities.push(target);\n emit AuthorizedAddressAdded(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n\n delete authorized[target];\n for (uint256 i = 0; i < authorities.length; i++) {\n if (authorities[i] == target) {\n authorities[i] = authorities[authorities.length - 1];\n authorities.length -= 1;\n break;\n }\n }\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n require(\n index < authorities.length,\n \"INDEX_OUT_OF_BOUNDS\"\n );\n require(\n authorities[index] == target,\n \"AUTHORIZED_ADDRESS_MISMATCH\"\n );\n\n delete authorized[target];\n authorities[index] = authorities[authorities.length - 1];\n authorities.length -= 1;\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory)\n {\n return authorities;\n }\n}\n", - "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IAuthorizable.sol\";\n\n\ncontract IAssetProxy is\n IAuthorizable\n{\n /// @dev Transfers assets. Either succeeds or throws.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n function transferFrom(\n bytes assetData,\n address from,\n address to,\n uint256 amount\n )\n external;\n \n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4);\n}\n", - "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/Ownable/IOwnable.sol\";\n\n\ncontract IAuthorizable is\n IOwnable\n{\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external;\n \n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory);\n}\n", - "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAuthorizable.sol\";\n\n\ncontract MAuthorizable is\n IAuthorizable\n{\n // Event logged when a new address is authorized.\n event AuthorizedAddressAdded(\n address indexed target,\n address indexed caller\n );\n\n // Event logged when a currently authorized address is unauthorized.\n event AuthorizedAddressRemoved(\n address indexed target,\n address indexed caller\n );\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized { revert(); _; }\n}\n", - "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../multisig/MultiSigWalletWithTimeLock.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract AssetProxyOwner is\n MultiSigWalletWithTimeLock\n{\n using LibBytes for bytes;\n\n event AssetProxyRegistration(address assetProxyContract, bool isRegistered);\n\n // Mapping of AssetProxy contract address =>\n // if this contract is allowed to call the AssetProxy's `removeAuthorizedAddressAtIndex` method without a time lock.\n mapping (address => bool) public isAssetProxyRegistered;\n\n bytes4 constant internal REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR = bytes4(keccak256(\"removeAuthorizedAddressAtIndex(address,uint256)\"));\n\n /// @dev Function will revert if the transaction does not call `removeAuthorizedAddressAtIndex`\n /// on an approved AssetProxy contract.\n modifier validRemoveAuthorizedAddressAtIndexTx(uint256 transactionId) {\n Transaction storage txn = transactions[transactionId];\n require(\n isAssetProxyRegistered[txn.destination],\n \"UNREGISTERED_ASSET_PROXY\"\n );\n require(\n txn.data.readBytes4(0) == REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR,\n \"INVALID_FUNCTION_SELECTOR\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations,\n /// time lock, and list of AssetProxy addresses.\n /// @param _owners List of initial owners.\n /// @param _assetProxyContracts Array of AssetProxy contract addresses.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] memory _owners,\n address[] memory _assetProxyContracts,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWalletWithTimeLock(_owners, _required, _secondsTimeLocked)\n {\n for (uint256 i = 0; i < _assetProxyContracts.length; i++) {\n address assetProxy = _assetProxyContracts[i];\n require(\n assetProxy != address(0),\n \"INVALID_ASSET_PROXY\"\n );\n isAssetProxyRegistered[assetProxy] = true;\n }\n }\n\n /// @dev Registers or deregisters an AssetProxy to be able to execute\n /// `removeAuthorizedAddressAtIndex` without a timelock.\n /// @param assetProxyContract Address of AssetProxy contract.\n /// @param isRegistered Status of approval for AssetProxy contract.\n function registerAssetProxy(address assetProxyContract, bool isRegistered)\n public\n onlyWallet\n notNull(assetProxyContract)\n {\n isAssetProxyRegistered[assetProxyContract] = isRegistered;\n emit AssetProxyRegistration(assetProxyContract, isRegistered);\n }\n\n /// @dev Allows execution of `removeAuthorizedAddressAtIndex` without time lock.\n /// @param transactionId Transaction ID.\n function executeRemoveAuthorizedAddressAtIndex(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n validRemoveAuthorizedAddressAtIndexTx(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n}\n", - "2.0.0/protocol/Exchange/Exchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinExchangeCore.sol\";\nimport \"./MixinSignatureValidator.sol\";\nimport \"./MixinWrapperFunctions.sol\";\nimport \"./MixinAssetProxyDispatcher.sol\";\nimport \"./MixinTransactions.sol\";\nimport \"./MixinMatchOrders.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Exchange is\n MixinExchangeCore,\n MixinMatchOrders,\n MixinSignatureValidator,\n MixinTransactions,\n MixinAssetProxyDispatcher,\n MixinWrapperFunctions\n{\n string constant public VERSION = \"2.0.1-alpha\";\n\n // Mixins are instantiated in the order they are inherited\n constructor (bytes memory _zrxAssetData)\n public\n LibConstants(_zrxAssetData) // @TODO: Remove when we deploy.\n MixinExchangeCore()\n MixinMatchOrders()\n MixinSignatureValidator()\n MixinTransactions()\n MixinAssetProxyDispatcher()\n MixinWrapperFunctions()\n {}\n}\n", - "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\nimport \"../AssetProxy/interfaces/IAssetProxy.sol\";\n\n\ncontract MixinAssetProxyDispatcher is\n Ownable,\n MAssetProxyDispatcher\n{\n // Mapping from Asset Proxy Id's to their respective Asset Proxy\n mapping (bytes4 => IAssetProxy) public assetProxies;\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external\n onlyOwner\n {\n IAssetProxy assetProxyContract = IAssetProxy(assetProxy);\n\n // Ensure that no asset proxy exists with current id.\n bytes4 assetProxyId = assetProxyContract.getProxyId();\n address currentAssetProxy = assetProxies[assetProxyId];\n require(\n currentAssetProxy == address(0),\n \"ASSET_PROXY_ALREADY_EXISTS\"\n );\n\n // Add asset proxy and log registration.\n assetProxies[assetProxyId] = assetProxyContract;\n emit AssetProxyRegistered(\n assetProxyId,\n assetProxy\n );\n }\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address)\n {\n return assetProxies[assetProxyId];\n }\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal\n {\n // Do nothing if no amount should be transferred.\n if (amount > 0 && from != to) {\n // Ensure assetData length is valid\n require(\n assetData.length > 3,\n \"LENGTH_GREATER_THAN_3_REQUIRED\"\n );\n \n // Lookup assetProxy. We do not use `LibBytes.readBytes4` for gas efficiency reasons.\n bytes4 assetProxyId;\n assembly {\n assetProxyId := and(mload(\n add(assetData, 32)),\n 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000\n )\n }\n address assetProxy = assetProxies[assetProxyId];\n\n // Ensure that assetProxy exists\n require(\n assetProxy != address(0),\n \"ASSET_PROXY_DOES_NOT_EXIST\"\n );\n \n // We construct calldata for the `assetProxy.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n\n assembly {\n /////// Setup State ///////\n // `cdStart` is the start of the calldata for `assetProxy.transferFrom` (equal to free memory ptr).\n let cdStart := mload(64)\n // `dataAreaLength` is the total number of words needed to store `assetData`\n // As-per the ABI spec, this value is padded up to the nearest multiple of 32,\n // and includes 32-bytes for length.\n let dataAreaLength := and(add(mload(assetData), 63), 0xFFFFFFFFFFFE0)\n // `cdEnd` is the end of the calldata for `assetProxy.transferFrom`.\n let cdEnd := add(cdStart, add(132, dataAreaLength))\n\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFromSelector`.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes.\n // Notes:\n // 1. The offset to `assetData` is the length of the Params Area (128 bytes).\n // 2. A 20-byte mask is applied to addresses to zero-out the unused bytes.\n mstore(add(cdStart, 4), 128)\n mstore(add(cdStart, 36), and(from, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 68), and(to, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 100), amount)\n \n /////// Setup Data Area ///////\n // This area holds `assetData`.\n let dataArea := add(cdStart, 132)\n // solhint-disable-next-line no-empty-blocks\n for {} lt(dataArea, cdEnd) {} {\n mstore(dataArea, mload(assetData))\n dataArea := add(dataArea, 32)\n assetData := add(assetData, 32)\n }\n\n /////// Call `assetProxy.transferFrom` using the constructed calldata ///////\n let success := call(\n gas, // forward all gas\n assetProxy, // call address of asset proxy\n 0, // don't send any ETH\n cdStart, // pointer to start of input\n sub(cdEnd, cdStart), // length of input \n cdStart, // write output over input\n 512 // reserve 512 bytes for output\n )\n if iszero(success) {\n revert(cdStart, returndatasize())\n }\n }\n }\n }\n}\n", - "2.0.0/protocol/Exchange/MixinExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinExchangeCore is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n LibOrder,\n LibFillResults,\n MAssetProxyDispatcher,\n MExchangeCore,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of orderHash => amount of takerAsset already bought by maker\n mapping (bytes32 => uint256) public filled;\n\n // Mapping of orderHash => cancelled\n mapping (bytes32 => bool) public cancelled;\n\n // Mapping of makerAddress => senderAddress => lowest salt an order can have in order to be fillable\n // Orders with specified senderAddress and with a salt less than their epoch are considered cancelled\n mapping (address => mapping (address => uint256)) public orderEpoch;\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external\n nonReentrant\n {\n address makerAddress = getCurrentContextAddress();\n // If this function is called via `executeTransaction`, we only update the orderEpoch for the makerAddress/msg.sender combination.\n // This allows external filter contracts to add rules to how orders are cancelled via this function.\n address senderAddress = makerAddress == msg.sender ? address(0) : msg.sender;\n\n // orderEpoch is initialized to 0, so to cancelUpTo we need salt + 1\n uint256 newOrderEpoch = targetOrderEpoch + 1; \n uint256 oldOrderEpoch = orderEpoch[makerAddress][senderAddress];\n\n // Ensure orderEpoch is monotonically increasing\n require(\n newOrderEpoch > oldOrderEpoch, \n \"INVALID_NEW_ORDER_EPOCH\"\n );\n\n // Update orderEpoch\n orderEpoch[makerAddress][senderAddress] = newOrderEpoch;\n emit CancelUpTo(\n makerAddress,\n senderAddress,\n newOrderEpoch\n );\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrder(Order memory order)\n public\n nonReentrant\n {\n cancelOrderInternal(order);\n }\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(Order memory order)\n public\n view\n returns (OrderInfo memory orderInfo)\n {\n // Compute the order hash\n orderInfo.orderHash = getOrderHash(order);\n\n // Fetch filled amount\n orderInfo.orderTakerAssetFilledAmount = filled[orderInfo.orderHash];\n\n // If order.makerAssetAmount is zero, we also reject the order.\n // While the Exchange contract handles them correctly, they create\n // edge cases in the supporting infrastructure because they have\n // an 'infinite' price when computed by a simple division.\n if (order.makerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_MAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // If order.takerAssetAmount is zero, then the order will always\n // be considered filled because 0 == takerAssetAmount == orderTakerAssetFilledAmount\n // Instead of distinguishing between unfilled and filled zero taker\n // amount orders, we choose not to support them.\n if (order.takerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_TAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // Validate order availability\n if (orderInfo.orderTakerAssetFilledAmount >= order.takerAssetAmount) {\n orderInfo.orderStatus = uint8(OrderStatus.FULLY_FILLED);\n return orderInfo;\n }\n\n // Validate order expiration\n // solhint-disable-next-line not-rely-on-time\n if (block.timestamp >= order.expirationTimeSeconds) {\n orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);\n return orderInfo;\n }\n\n // Check if order has been cancelled\n if (cancelled[orderInfo.orderHash]) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n if (orderEpoch[order.makerAddress][order.senderAddress] > order.salt) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n\n // All other statuses are ruled out: order is Fillable\n orderInfo.orderStatus = uint8(OrderStatus.FILLABLE);\n return orderInfo;\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // Fetch order info\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Assert that the order is fillable by taker\n assertFillableOrder(\n order,\n orderInfo,\n takerAddress,\n signature\n );\n \n // Get amount of takerAsset to fill\n uint256 remainingTakerAssetAmount = safeSub(order.takerAssetAmount, orderInfo.orderTakerAssetFilledAmount);\n uint256 takerAssetFilledAmount = min256(takerAssetFillAmount, remainingTakerAssetAmount);\n\n // Validate context\n assertValidFill(\n order,\n orderInfo,\n takerAssetFillAmount,\n takerAssetFilledAmount,\n fillResults.makerAssetFilledAmount\n );\n\n // Compute proportional fill amounts\n fillResults = calculateFillResults(order, takerAssetFilledAmount);\n\n // Update exchange internal state\n updateFilledState(\n order,\n takerAddress,\n orderInfo.orderHash,\n orderInfo.orderTakerAssetFilledAmount,\n fillResults\n );\n \n // Settle order\n settleOrder(\n order,\n takerAddress,\n fillResults\n );\n\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrderInternal(Order memory order)\n internal\n {\n // Fetch current order status\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Validate context\n assertValidCancel(order, orderInfo);\n\n // Perform cancel\n updateCancelledState(order, orderInfo.orderHash);\n }\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n function updateFilledState(\n Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n FillResults memory fillResults\n )\n internal\n {\n // Update state\n filled[orderHash] = safeAdd(orderTakerAssetFilledAmount, fillResults.takerAssetFilledAmount);\n\n // Log order\n emit Fill(\n order.makerAddress,\n order.feeRecipientAddress,\n takerAddress,\n msg.sender,\n fillResults.makerAssetFilledAmount,\n fillResults.takerAssetFilledAmount,\n fillResults.makerFeePaid,\n fillResults.takerFeePaid,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n Order memory order,\n bytes32 orderHash\n )\n internal\n {\n // Perform cancel\n cancelled[orderHash] = true;\n\n // Log cancel\n emit Cancel(\n order.makerAddress,\n order.feeRecipientAddress,\n msg.sender,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n Order memory order,\n OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view\n {\n // An order can only be filled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n \n // Validate sender is allowed to fill this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n \n // Validate taker is allowed to fill this order\n if (order.takerAddress != address(0)) {\n require(\n order.takerAddress == takerAddress,\n \"INVALID_TAKER\"\n );\n }\n \n // Validate Maker signature (check only if first time seen)\n if (orderInfo.orderTakerAssetFilledAmount == 0) {\n require(\n isValidSignature(\n orderInfo.orderHash,\n order.makerAddress,\n signature\n ),\n \"INVALID_ORDER_SIGNATURE\"\n );\n }\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n Order memory order,\n OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount, // TODO: use FillResults\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view\n {\n // Revert if fill amount is invalid\n // TODO: reconsider necessity for v2.1\n require(\n takerAssetFillAmount != 0,\n \"INVALID_TAKER_AMOUNT\"\n );\n \n // Make sure taker does not pay more than desired amount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n takerAssetFilledAmount <= takerAssetFillAmount,\n \"TAKER_OVERPAY\"\n );\n \n // Make sure order is not overfilled\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeAdd(orderInfo.orderTakerAssetFilledAmount, takerAssetFilledAmount) <= order.takerAssetAmount,\n \"ORDER_OVERFILL\"\n );\n \n // Make sure order is filled at acceptable price.\n // The order has an implied price from the makers perspective:\n // order price = order.makerAssetAmount / order.takerAssetAmount\n // i.e. the number of makerAsset maker is paying per takerAsset. The\n // maker is guaranteed to get this price or a better (lower) one. The\n // actual price maker is getting in this fill is:\n // fill price = makerAssetFilledAmount / takerAssetFilledAmount\n // We need `fill price <= order price` for the fill to be fair to maker.\n // This amounts to:\n // makerAssetFilledAmount order.makerAssetAmount\n // ------------------------ <= -----------------------\n // takerAssetFilledAmount order.takerAssetAmount\n // or, equivalently:\n // makerAssetFilledAmount * order.takerAssetAmount <=\n // order.makerAssetAmount * takerAssetFilledAmount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeMul(makerAssetFilledAmount, order.takerAssetAmount)\n <= \n safeMul(order.makerAssetAmount, takerAssetFilledAmount),\n \"INVALID_FILL_PRICE\"\n );\n }\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n Order memory order,\n OrderInfo memory orderInfo\n )\n internal\n view\n {\n // Ensure order is valid\n // An order can only be cancelled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Validate sender is allowed to cancel this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate transaction signed by maker\n address makerAddress = getCurrentContextAddress();\n require(\n order.makerAddress == makerAddress,\n \"INVALID_MAKER\"\n );\n }\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (FillResults memory fillResults)\n {\n // Compute proportional transfer amounts\n fillResults.takerAssetFilledAmount = takerAssetFilledAmount;\n fillResults.makerAssetFilledAmount = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n );\n fillResults.makerFeePaid = safeGetPartialAmountFloor(\n fillResults.makerAssetFilledAmount,\n order.makerAssetAmount,\n order.makerFee\n );\n fillResults.takerFeePaid = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.takerFee\n );\n\n return fillResults;\n }\n\n /// @dev Settles an order by transferring assets between counterparties.\n /// @param order Order struct containing order specifications.\n /// @param takerAddress Address selling takerAsset and buying makerAsset.\n /// @param fillResults Amounts to be filled and fees paid by maker and taker.\n function settleOrder(\n LibOrder.Order memory order,\n address takerAddress,\n LibFillResults.FillResults memory fillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n dispatchTransferFrom(\n order.makerAssetData,\n order.makerAddress,\n takerAddress,\n fillResults.makerAssetFilledAmount\n );\n dispatchTransferFrom(\n order.takerAssetData,\n takerAddress,\n order.makerAddress,\n fillResults.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n zrxAssetData,\n order.makerAddress,\n order.feeRecipientAddress,\n fillResults.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n order.feeRecipientAddress,\n fillResults.takerFeePaid\n );\n }\n}\n", - "2.0.0/protocol/Exchange/MixinMatchOrders.sol": "/*\n Copyright 2018 ZeroEx Intl.\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n http://www.apache.org/licenses/LICENSE-2.0\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MMatchOrders.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinMatchOrders is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n MAssetProxyDispatcher,\n MExchangeCore,\n MMatchOrders,\n MTransactions\n{\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n nonReentrant\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We assume that rightOrder.takerAssetData == leftOrder.makerAssetData and rightOrder.makerAssetData == leftOrder.takerAssetData.\n // If this assumption isn't true, the match will fail at signature validation.\n rightOrder.makerAssetData = leftOrder.takerAssetData;\n rightOrder.takerAssetData = leftOrder.makerAssetData;\n\n // Get left & right order info\n LibOrder.OrderInfo memory leftOrderInfo = getOrderInfo(leftOrder);\n LibOrder.OrderInfo memory rightOrderInfo = getOrderInfo(rightOrder);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Either our context is valid or we revert\n assertFillableOrder(\n leftOrder,\n leftOrderInfo,\n takerAddress,\n leftSignature\n );\n assertFillableOrder(\n rightOrder,\n rightOrderInfo,\n takerAddress,\n rightSignature\n );\n assertValidMatch(leftOrder, rightOrder);\n\n // Compute proportional fill amounts\n matchedFillResults = calculateMatchedFillResults(\n leftOrder,\n rightOrder,\n leftOrderInfo.orderTakerAssetFilledAmount,\n rightOrderInfo.orderTakerAssetFilledAmount\n );\n\n // Validate fill contexts\n assertValidFill(\n leftOrder,\n leftOrderInfo,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.makerAssetFilledAmount\n );\n assertValidFill(\n rightOrder,\n rightOrderInfo,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n \n // Update exchange state\n updateFilledState(\n leftOrder,\n takerAddress,\n leftOrderInfo.orderHash,\n leftOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.left\n );\n updateFilledState(\n rightOrder,\n takerAddress,\n rightOrderInfo.orderHash,\n rightOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.right\n );\n\n // Settle matched orders. Succeeds or throws.\n settleMatchedOrders(\n leftOrder,\n rightOrder,\n takerAddress,\n matchedFillResults\n );\n\n return matchedFillResults;\n }\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure\n {\n // Make sure there is a profitable spread.\n // There is a profitable spread iff the cost per unit bought (OrderA.MakerAmount/OrderA.TakerAmount) for each order is greater\n // than the profit per unit sold of the matched order (OrderB.TakerAmount/OrderB.MakerAmount).\n // This is satisfied by the equations below:\n // / >= / \n // AND\n // / >= / \n // These equations can be combined to get the following:\n require(\n safeMul(leftOrder.makerAssetAmount, rightOrder.makerAssetAmount) >=\n safeMul(leftOrder.takerAssetAmount, rightOrder.takerAssetAmount),\n \"NEGATIVE_SPREAD_REQUIRED\"\n );\n }\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // Derive maker asset amounts for left & right orders, given store taker assert amounts\n uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);\n uint256 leftMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n leftTakerAssetAmountRemaining\n );\n uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);\n uint256 rightMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n rightOrder.makerAssetAmount,\n rightOrder.takerAssetAmount,\n rightTakerAssetAmountRemaining\n );\n\n // Calculate fill results for maker and taker assets: at least one order will be fully filled.\n // The maximum amount the left maker can buy is `leftTakerAssetAmountRemaining`\n // The maximum amount the right maker can sell is `rightMakerAssetAmountRemaining`\n // We have two distinct cases for calculating the fill results:\n // Case 1.\n // If the left maker can buy more than the right maker can sell, then only the right order is fully filled.\n // If the left maker can buy exactly what the right maker can sell, then both orders are fully filled.\n // Case 2.\n // If the left maker cannot buy more than the right maker can sell, then only the left order is fully filled.\n if (leftTakerAssetAmountRemaining >= rightMakerAssetAmountRemaining) {\n // Case 1: Right order is fully filled\n matchedFillResults.right.makerAssetFilledAmount = rightMakerAssetAmountRemaining;\n matchedFillResults.right.takerAssetFilledAmount = rightTakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = matchedFillResults.right.makerAssetFilledAmount;\n // Round down to ensure the maker's exchange rate does not exceed the price specified by the order. \n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.left.makerAssetFilledAmount = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n matchedFillResults.left.takerAssetFilledAmount\n );\n } else {\n // Case 2: Left order is fully filled\n matchedFillResults.left.makerAssetFilledAmount = leftMakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = leftTakerAssetAmountRemaining;\n matchedFillResults.right.makerAssetFilledAmount = matchedFillResults.left.takerAssetFilledAmount;\n // Round up to ensure the maker's exchange rate does not exceed the price specified by the order.\n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.right.takerAssetFilledAmount = safeGetPartialAmountCeil(\n rightOrder.takerAssetAmount,\n rightOrder.makerAssetAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n }\n\n // Calculate amount given to taker\n matchedFillResults.leftMakerAssetSpreadAmount = safeSub(\n matchedFillResults.left.makerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount\n );\n\n // Compute fees for left order\n matchedFillResults.left.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.makerAssetFilledAmount,\n leftOrder.makerAssetAmount,\n leftOrder.makerFee\n );\n matchedFillResults.left.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.takerAssetFilledAmount,\n leftOrder.takerAssetAmount,\n leftOrder.takerFee\n );\n\n // Compute fees for right order\n matchedFillResults.right.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.makerAssetFilledAmount,\n rightOrder.makerAssetAmount,\n rightOrder.makerFee\n );\n matchedFillResults.right.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.takerAssetFilledAmount,\n rightOrder.takerAssetAmount,\n rightOrder.takerFee\n );\n\n // Return fill results\n return matchedFillResults;\n }\n\n /// @dev Settles matched order by transferring appropriate funds between order makers, taker, and fee recipient.\n /// @param leftOrder First matched order.\n /// @param rightOrder Second matched order.\n /// @param takerAddress Address that matched the orders. The taker receives the spread between orders as profit.\n /// @param matchedFillResults Struct holding amounts to transfer between makers, taker, and fee recipients.\n function settleMatchedOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n address takerAddress,\n LibFillResults.MatchedFillResults memory matchedFillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n // Order makers and taker\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n rightOrder.makerAddress,\n matchedFillResults.right.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n rightOrder.makerAssetData,\n rightOrder.makerAddress,\n leftOrder.makerAddress,\n matchedFillResults.left.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n takerAddress,\n matchedFillResults.leftMakerAssetSpreadAmount\n );\n\n // Maker fees\n dispatchTransferFrom(\n zrxAssetData,\n leftOrder.makerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n rightOrder.makerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.makerFeePaid\n );\n\n // Taker fees\n if (leftOrder.feeRecipientAddress == rightOrder.feeRecipientAddress) {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n safeAdd(\n matchedFillResults.left.takerFeePaid,\n matchedFillResults.right.takerFeePaid\n )\n );\n } else {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.takerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.takerFeePaid\n );\n }\n }\n}\n", - "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./interfaces/IWallet.sol\";\nimport \"./interfaces/IValidator.sol\";\n\n\ncontract MixinSignatureValidator is\n ReentrancyGuard,\n MSignatureValidator,\n MTransactions\n{\n using LibBytes for bytes;\n \n // Mapping of hash => signer => signed\n mapping (bytes32 => mapping (address => bool)) public preSigned;\n\n // Mapping of signer => validator => approved\n mapping (address => mapping (address => bool)) public allowedValidators;\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n {\n if (signerAddress != msg.sender) {\n require(\n isValidSignature(\n hash,\n signerAddress,\n signature\n ),\n \"INVALID_SIGNATURE\"\n );\n }\n preSigned[hash][signerAddress] = true;\n }\n\n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external\n nonReentrant\n {\n address signerAddress = getCurrentContextAddress();\n allowedValidators[signerAddress][validatorAddress] = approval;\n emit SignatureValidatorApproval(\n signerAddress,\n validatorAddress,\n approval\n );\n }\n\n /// @dev Verifies that a hash has been signed by the given signer.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid)\n {\n require(\n signature.length > 0,\n \"LENGTH_GREATER_THAN_0_REQUIRED\"\n );\n\n // Pop last byte off of signature byte array.\n uint8 signatureTypeRaw = uint8(signature.popLastByte());\n\n // Ensure signature is supported\n require(\n signatureTypeRaw < uint8(SignatureType.NSignatureTypes),\n \"SIGNATURE_UNSUPPORTED\"\n );\n\n SignatureType signatureType = SignatureType(signatureTypeRaw);\n\n // Variables are not scoped in Solidity.\n uint8 v;\n bytes32 r;\n bytes32 s;\n address recovered;\n\n // Always illegal signature.\n // This is always an implicit option since a signer can create a\n // signature array with invalid type or length. We may as well make\n // it an explicit option. This aids testing and analysis. It is\n // also the initialization value for the enum type.\n if (signatureType == SignatureType.Illegal) {\n revert(\"SIGNATURE_ILLEGAL\");\n\n // Always invalid signature.\n // Like Illegal, this is always implicitly available and therefore\n // offered explicitly. It can be implicitly created by providing\n // a correctly formatted but incorrect signature.\n } else if (signatureType == SignatureType.Invalid) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = false;\n return isValid;\n\n // Signature using EIP712\n } else if (signatureType == SignatureType.EIP712) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n hash,\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signed using web3.eth_sign\n } else if (signatureType == SignatureType.EthSign) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n32\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signature verified by wallet contract.\n // If used with an order, the maker of the order is the wallet contract.\n } else if (signatureType == SignatureType.Wallet) {\n isValid = isValidWalletSignature(\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signature verified by validator contract.\n // If used with an order, the maker of the order can still be an EOA.\n // A signature using this type should be encoded as:\n // | Offset | Length | Contents |\n // | 0x00 | x | Signature to validate |\n // | 0x00 + x | 20 | Address of validator contract |\n // | 0x14 + x | 1 | Signature type is always \"\\x06\" |\n } else if (signatureType == SignatureType.Validator) {\n // Pop last 20 bytes off of signature byte array.\n address validatorAddress = signature.popLast20Bytes();\n \n // Ensure signer has approved validator.\n if (!allowedValidators[signerAddress][validatorAddress]) {\n return false;\n }\n isValid = isValidValidatorSignature(\n validatorAddress,\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signer signed hash previously using the preSign function.\n } else if (signatureType == SignatureType.PreSigned) {\n isValid = preSigned[hash][signerAddress];\n return isValid;\n }\n\n // Anything else is illegal (We do not return false because\n // the signature may actually be valid, just not in a format\n // that we currently support. In this case returning false\n // may lead the caller to incorrectly believe that the\n // signature was invalid.)\n revert(\"SIGNATURE_UNSUPPORTED\");\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if signature is valid for given wallet..\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IWallet(walletAddress).isValidSignature.selector,\n hash,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n walletAddress, // address of Wallet contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"WALLET_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000c57414c4c45545f4552524f5200000000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IValidator(signerAddress).isValidSignature.selector,\n hash,\n signerAddress,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n validatorAddress, // address of Validator contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"VALIDATOR_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f56414c494441544f525f4552524f5200000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n}\n", - "2.0.0/protocol/Exchange/MixinTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"./libs/LibExchangeErrors.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./libs/LibEIP712.sol\";\n\n\ncontract MixinTransactions is\n LibEIP712,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of transaction hash => executed\n // This prevents transactions from being executed more than once.\n mapping (bytes32 => bool) public transactions;\n\n // Address of current transaction signer\n address public currentContextAddress;\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external\n {\n // Prevent reentrancy\n require(\n currentContextAddress == address(0),\n \"REENTRANCY_ILLEGAL\"\n );\n\n bytes32 transactionHash = hashEIP712Message(hashZeroExTransaction(\n salt,\n signerAddress,\n data\n ));\n\n // Validate transaction has not been executed\n require(\n !transactions[transactionHash],\n \"INVALID_TX_HASH\"\n );\n\n // Transaction always valid if signer is sender of transaction\n if (signerAddress != msg.sender) {\n // Validate signature\n require(\n isValidSignature(\n transactionHash,\n signerAddress,\n signature\n ),\n \"INVALID_TX_SIGNATURE\"\n );\n\n // Set the current transaction signer\n currentContextAddress = signerAddress;\n }\n\n // Execute transaction\n transactions[transactionHash] = true;\n require(\n address(this).delegatecall(data),\n \"FAILED_EXECUTION\"\n );\n\n // Reset current transaction signer if it was previously updated\n if (signerAddress != msg.sender) {\n currentContextAddress = address(0);\n }\n }\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;\n bytes32 dataHash = keccak256(data);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,\n // salt,\n // bytes32(signerAddress),\n // keccak256(data)\n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, schemaHash) // hash of schema\n mstore(add(memPtr, 32), salt) // salt\n mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff)) // signerAddress\n mstore(add(memPtr, 96), dataHash) // hash of data\n\n // Compute hash\n result := keccak256(memPtr, 128)\n }\n return result;\n }\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address)\n {\n address currentContextAddress_ = currentContextAddress;\n address contextAddress = currentContextAddress_ == address(0) ? msg.sender : currentContextAddress_;\n return contextAddress;\n }\n}\n", - "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibAbiEncoder.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MWrapperFunctions.sol\";\n\n\ncontract MixinWrapperFunctions is\n ReentrancyGuard,\n LibMath,\n LibFillResults,\n LibAbiEncoder,\n MExchangeCore,\n MWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrKillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n // Delegate to `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := delegatecall(\n gas, // forward all gas\n address, // call address of this contract\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrKillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n \n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public\n nonReentrant\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n cancelOrderInternal(orders[i]);\n }\n }\n\n /// @dev Fetches information for all passed in orders.\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n LibOrder.OrderInfo[] memory ordersInfo = new LibOrder.OrderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n ordersInfo[i] = getOrderInfo(orders[i]);\n }\n return ordersInfo;\n }\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n require(\n fillResults.takerAssetFilledAmount == takerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return fillResults;\n }\n}\n", - "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssetProxyDispatcher {\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external;\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IExchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./IExchangeCore.sol\";\nimport \"./IMatchOrders.sol\";\nimport \"./ISignatureValidator.sol\";\nimport \"./ITransactions.sol\";\nimport \"./IAssetProxyDispatcher.sol\";\nimport \"./IWrapperFunctions.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract IExchange is\n IExchangeCore,\n IMatchOrders,\n ISignatureValidator,\n ITransactions,\n IAssetProxyDispatcher,\n IWrapperFunctions\n{}\n", - "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IExchangeCore {\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external;\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrder(LibOrder.Order memory order)\n public;\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(LibOrder.Order memory order)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IMatchOrders {\n\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n}\n", - "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ISignatureValidator {\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external;\n \n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external;\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address of signer.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\n\ncontract ITransactions {\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external;\n}\n", - "2.0.0/protocol/Exchange/interfaces/IValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IValidator {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IWallet {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IWrapperFunctions {\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public;\n\n /// @dev Fetches information for all passed in orders\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory);\n}\n", - "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./LibOrder.sol\";\n\n\ncontract LibAbiEncoder {\n\n /// @dev ABI encodes calldata for `fillOrder`.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return ABI encoded calldata for `fillOrder`.\n function abiEncodeFillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n pure\n returns (bytes memory fillOrderCalldata)\n {\n // We need to call MExchangeCore.fillOrder using a delegatecall in\n // assembly so that we can intercept a call that throws. For this, we\n // need the input encoded in memory in the Ethereum ABIv2 format [1].\n\n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0x00 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 0x00 | | 1. offset to order (*) |\n // | | 0x20 | | 2. takerAssetFillAmount |\n // | | 0x40 | | 3. offset to signature (*) |\n // | Data | | 12 * 32 | order: |\n // | | 0x000 | | 1. senderAddress |\n // | | 0x020 | | 2. makerAddress |\n // | | 0x040 | | 3. takerAddress |\n // | | 0x060 | | 4. feeRecipientAddress |\n // | | 0x080 | | 5. makerAssetAmount |\n // | | 0x0A0 | | 6. takerAssetAmount |\n // | | 0x0C0 | | 7. makerFeeAmount |\n // | | 0x0E0 | | 8. takerFeeAmount |\n // | | 0x100 | | 9. expirationTimeSeconds |\n // | | 0x120 | | 10. salt |\n // | | 0x140 | | 11. Offset to makerAssetData (*) |\n // | | 0x160 | | 12. Offset to takerAssetData (*) |\n // | | 0x180 | 32 | makerAssetData Length |\n // | | 0x1A0 | ** | makerAssetData Contents |\n // | | 0x1C0 | 32 | takerAssetData Length |\n // | | 0x1E0 | ** | takerAssetData Contents |\n // | | 0x200 | 32 | signature Length |\n // | | 0x220 | ** | signature Contents |\n\n // * Offsets are calculated from the beginning of the current area: Header, Params, Data:\n // An offset stored in the Params area is calculated from the beginning of the Params section.\n // An offset stored in the Data area is calculated from the beginning of the Data section.\n\n // ** The length of dynamic array contents are stored in the field immediately preceeding the contents.\n\n // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html\n\n assembly {\n\n // Areas below may use the following variables:\n // 1. Start -- Start of this area in memory\n // 2. End -- End of this area in memory. This value may\n // be precomputed (before writing contents),\n // or it may be computed as contents are written.\n // 3. Offset -- Current offset into area. If an area's End\n // is precomputed, this variable tracks the\n // offsets of contents as they are written.\n\n /////// Setup Header Area ///////\n // Load free memory pointer\n fillOrderCalldata := mload(0x40)\n // bytes4(keccak256(\"fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)\"))\n // = 0xb4be83d5\n // Leave 0x20 bytes to store the length\n mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000)\n let headerAreaEnd := add(fillOrderCalldata, 0x24)\n\n /////// Setup Params Area ///////\n // This area is preallocated and written to later.\n // This is because we need to fill in offsets that have not yet been calculated.\n let paramsAreaStart := headerAreaEnd\n let paramsAreaEnd := add(paramsAreaStart, 0x60)\n let paramsAreaOffset := paramsAreaStart\n\n /////// Setup Data Area ///////\n let dataAreaStart := paramsAreaEnd\n let dataAreaEnd := dataAreaStart\n\n // Offset from the source data we're reading from\n let sourceOffset := order\n // arrayLenBytes and arrayLenWords track the length of a dynamically-allocated bytes array.\n let arrayLenBytes := 0\n let arrayLenWords := 0\n\n /////// Write order Struct ///////\n // Write memory location of Order, relative to the start of the\n // parameter list, then increment the paramsAreaOffset respectively.\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n // Write values for each field in the order\n // It would be nice to use a loop, but we save on gas by writing\n // the stores sequentially.\n mstore(dataAreaEnd, mload(sourceOffset)) // makerAddress\n mstore(add(dataAreaEnd, 0x20), mload(add(sourceOffset, 0x20))) // takerAddress\n mstore(add(dataAreaEnd, 0x40), mload(add(sourceOffset, 0x40))) // feeRecipientAddress\n mstore(add(dataAreaEnd, 0x60), mload(add(sourceOffset, 0x60))) // senderAddress\n mstore(add(dataAreaEnd, 0x80), mload(add(sourceOffset, 0x80))) // makerAssetAmount\n mstore(add(dataAreaEnd, 0xA0), mload(add(sourceOffset, 0xA0))) // takerAssetAmount\n mstore(add(dataAreaEnd, 0xC0), mload(add(sourceOffset, 0xC0))) // makerFeeAmount\n mstore(add(dataAreaEnd, 0xE0), mload(add(sourceOffset, 0xE0))) // takerFeeAmount\n mstore(add(dataAreaEnd, 0x100), mload(add(sourceOffset, 0x100))) // expirationTimeSeconds\n mstore(add(dataAreaEnd, 0x120), mload(add(sourceOffset, 0x120))) // salt\n mstore(add(dataAreaEnd, 0x140), mload(add(sourceOffset, 0x140))) // Offset to makerAssetData\n mstore(add(dataAreaEnd, 0x160), mload(add(sourceOffset, 0x160))) // Offset to takerAssetData\n dataAreaEnd := add(dataAreaEnd, 0x180)\n sourceOffset := add(sourceOffset, 0x180)\n\n // Write offset to \n mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x140)) // makerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Write offset to \n mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x160)) // takerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n /////// Write takerAssetFillAmount ///////\n mstore(paramsAreaOffset, takerAssetFillAmount)\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n /////// Write signature ///////\n // Write offset to paramsArea\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n\n // Calculate length of signature\n sourceOffset := signature\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of signature\n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of signature\n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Set length of calldata\n mstore(fillOrderCalldata, sub(dataAreaEnd, add(fillOrderCalldata, 0x20)))\n\n // Increment free memory pointer\n mstore(0x40, dataAreaEnd)\n }\n\n return fillOrderCalldata;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\n// solhint-disable max-line-length\ncontract LibConstants {\n \n // Asset data for ZRX token. Used for fee transfers.\n // @TODO: Hardcode constant when we deploy. Currently \n // not constant to make testing easier.\n\n // The proxyId for ZRX_ASSET_DATA is bytes4(keccak256(\"ERC20Token(address)\")) = 0xf47261b0\n \n // Kovan ZRX address is 0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570.\n // The ABI encoded proxyId and address is 0xf47261b00000000000000000000000006ff6c0ff1d68b964901f986d4c9fa3ac68346570\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x6f\\xf6\\xc0\\xff\\x1d\\x68\\xb9\\x64\\x90\\x1f\\x98\\x6d\\x4c\\x9f\\xa3\\xac\\x68\\x34\\x65\\x70\";\n \n // Mainnet ZRX address is 0xe41d2489571d322189246dafa5ebde1f4699f498.\n // The ABI encoded proxyId and address is 0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xe4\\x1d\\x24\\x89\\x57\\x1d\\x32\\x21\\x89\\x24\\x6d\\xaf\\xa5\\xeb\\xde\\x1f\\x46\\x99\\xf4\\x98\";\n \n // solhint-disable-next-line var-name-mixedcase\n bytes public ZRX_ASSET_DATA;\n\n // @TODO: Remove when we deploy.\n constructor (bytes memory zrxAssetData)\n public\n {\n ZRX_ASSET_DATA = zrxAssetData;\n }\n}\n// solhint-enable max-line-length\n", - "2.0.0/protocol/Exchange/libs/LibEIP712.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract LibEIP712 {\n\n // EIP191 header for EIP712 prefix\n string constant internal EIP191_HEADER = \"\\x19\\x01\";\n\n // EIP712 Domain Name value\n string constant internal EIP712_DOMAIN_NAME = \"0x Protocol\";\n\n // EIP712 Domain Version value\n string constant internal EIP712_DOMAIN_VERSION = \"2\";\n\n // Hash of the EIP712 Domain Separator Schema\n bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"EIP712Domain(\",\n \"string name,\",\n \"string version,\",\n \"address verifyingContract\",\n \")\"\n ));\n\n // Hash of the EIP712 Domain Separator data\n // solhint-disable-next-line var-name-mixedcase\n bytes32 public EIP712_DOMAIN_HASH;\n\n constructor ()\n public\n {\n EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(\n EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,\n keccak256(bytes(EIP712_DOMAIN_NAME)),\n keccak256(bytes(EIP712_DOMAIN_VERSION)),\n bytes32(address(this))\n ));\n }\n\n /// @dev Calculates EIP712 encoding for a hash struct in this EIP712 Domain.\n /// @param hashStruct The EIP712 hash struct.\n /// @return EIP712 hash applied to this EIP712 Domain.\n function hashEIP712Message(bytes32 hashStruct)\n internal\n view\n returns (bytes32 result)\n {\n bytes32 eip712DomainHash = EIP712_DOMAIN_HASH;\n\n // Assembly for more efficient computing:\n // keccak256(abi.encodePacked(\n // EIP191_HEADER,\n // EIP712_DOMAIN_HASH,\n // hashStruct \n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, 0x1901000000000000000000000000000000000000000000000000000000000000) // EIP191 header\n mstore(add(memPtr, 2), eip712DomainHash) // EIP712 domain hash\n mstore(add(memPtr, 34), hashStruct) // Hash of struct\n\n // Compute hash\n result := keccak256(memPtr, 66)\n }\n return result;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity 0.4.24;\n\n\n/// @dev This contract documents the revert reasons used in the Exchange contract.\n/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons.\ncontract LibExchangeErrors {\n\n /// Order validation errors ///\n string constant ORDER_UNFILLABLE = \"ORDER_UNFILLABLE\"; // Order cannot be filled.\n string constant INVALID_MAKER = \"INVALID_MAKER\"; // Invalid makerAddress.\n string constant INVALID_TAKER = \"INVALID_TAKER\"; // Invalid takerAddress.\n string constant INVALID_SENDER = \"INVALID_SENDER\"; // Invalid `msg.sender`.\n string constant INVALID_ORDER_SIGNATURE = \"INVALID_ORDER_SIGNATURE\"; // Signature validation failed. \n \n /// fillOrder validation errors ///\n string constant INVALID_TAKER_AMOUNT = \"INVALID_TAKER_AMOUNT\"; // takerAssetFillAmount cannot equal 0.\n string constant ROUNDING_ERROR = \"ROUNDING_ERROR\"; // Rounding error greater than 0.1% of takerAssetFillAmount. \n \n /// Signature validation errors ///\n string constant INVALID_SIGNATURE = \"INVALID_SIGNATURE\"; // Signature validation failed. \n string constant SIGNATURE_ILLEGAL = \"SIGNATURE_ILLEGAL\"; // Signature type is illegal.\n string constant SIGNATURE_UNSUPPORTED = \"SIGNATURE_UNSUPPORTED\"; // Signature type unsupported.\n \n /// cancelOrdersUptTo errors ///\n string constant INVALID_NEW_ORDER_EPOCH = \"INVALID_NEW_ORDER_EPOCH\"; // Specified salt must be greater than or equal to existing orderEpoch.\n\n /// fillOrKillOrder errors ///\n string constant COMPLETE_FILL_FAILED = \"COMPLETE_FILL_FAILED\"; // Desired takerAssetFillAmount could not be completely filled. \n\n /// matchOrders errors ///\n string constant NEGATIVE_SPREAD_REQUIRED = \"NEGATIVE_SPREAD_REQUIRED\"; // Matched orders must have a negative spread.\n\n /// Transaction errors ///\n string constant REENTRANCY_ILLEGAL = \"REENTRANCY_ILLEGAL\"; // Recursive reentrancy is not allowed. \n string constant INVALID_TX_HASH = \"INVALID_TX_HASH\"; // Transaction has already been executed. \n string constant INVALID_TX_SIGNATURE = \"INVALID_TX_SIGNATURE\"; // Signature validation failed. \n string constant FAILED_EXECUTION = \"FAILED_EXECUTION\"; // Transaction execution failed. \n \n /// registerAssetProxy errors ///\n string constant ASSET_PROXY_ALREADY_EXISTS = \"ASSET_PROXY_ALREADY_EXISTS\"; // AssetProxy with same id already exists.\n\n /// dispatchTransferFrom errors ///\n string constant ASSET_PROXY_DOES_NOT_EXIST = \"ASSET_PROXY_DOES_NOT_EXIST\"; // No assetProxy registered at given id.\n string constant TRANSFER_FAILED = \"TRANSFER_FAILED\"; // Asset transfer unsuccesful.\n\n /// Length validation errors ///\n string constant LENGTH_GREATER_THAN_0_REQUIRED = \"LENGTH_GREATER_THAN_0_REQUIRED\"; // Byte array must have a length greater than 0.\n string constant LENGTH_GREATER_THAN_3_REQUIRED = \"LENGTH_GREATER_THAN_3_REQUIRED\"; // Byte array must have a length greater than 3.\n string constant LENGTH_0_REQUIRED = \"LENGTH_0_REQUIRED\"; // Byte array must have a length of 0.\n string constant LENGTH_65_REQUIRED = \"LENGTH_65_REQUIRED\"; // Byte array must have a length of 65.\n}\n", - "2.0.0/protocol/Exchange/libs/LibFillResults.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibFillResults is\n SafeMath\n{\n struct FillResults {\n uint256 makerAssetFilledAmount; // Total amount of makerAsset(s) filled.\n uint256 takerAssetFilledAmount; // Total amount of takerAsset(s) filled.\n uint256 makerFeePaid; // Total amount of ZRX paid by maker(s) to feeRecipient(s).\n uint256 takerFeePaid; // Total amount of ZRX paid by taker to feeRecipients(s).\n }\n\n struct MatchedFillResults {\n FillResults left; // Amounts filled and fees paid of left order.\n FillResults right; // Amounts filled and fees paid of right order.\n uint256 leftMakerAssetSpreadAmount; // Spread between price of left and right order, denominated in the left order's makerAsset, paid to taker.\n }\n\n /// @dev Adds properties of both FillResults instances.\n /// Modifies the first FillResults instance specified.\n /// @param totalFillResults Fill results instance that will be added onto.\n /// @param singleFillResults Fill results instance that will be added to totalFillResults.\n function addFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)\n internal\n pure\n {\n totalFillResults.makerAssetFilledAmount = safeAdd(totalFillResults.makerAssetFilledAmount, singleFillResults.makerAssetFilledAmount);\n totalFillResults.takerAssetFilledAmount = safeAdd(totalFillResults.takerAssetFilledAmount, singleFillResults.takerAssetFilledAmount);\n totalFillResults.makerFeePaid = safeAdd(totalFillResults.makerFeePaid, singleFillResults.makerFeePaid);\n totalFillResults.takerFeePaid = safeAdd(totalFillResults.takerFeePaid, singleFillResults.takerFeePaid);\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibMath.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibMath is\n SafeMath\n{\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function safeGetPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorFloor(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function safeGetPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorCeil(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function getPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function getPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // The absolute rounding error is the difference between the rounded\n // value and the ideal value. The relative rounding error is the\n // absolute rounding error divided by the absolute value of the\n // ideal value. This is undefined when the ideal value is zero.\n //\n // The ideal value is `numerator * target / denominator`.\n // Let's call `numerator * target % denominator` the remainder.\n // The absolute error is `remainder / denominator`.\n //\n // When the ideal value is zero, we require the absolute error to\n // be zero. Fortunately, this is always the case. The ideal value is\n // zero iff `numerator == 0` and/or `target == 0`. In this case the\n // remainder and absolute error are also zero. \n if (target == 0 || numerator == 0) {\n return false;\n }\n \n // Otherwise, we want the relative rounding error to be strictly\n // less than 0.1%.\n // The relative error is `remainder / (numerator * target)`.\n // We want the relative error less than 1 / 1000:\n // remainder / (numerator * denominator) < 1 / 1000\n // or equivalently:\n // 1000 * remainder < numerator * target\n // so we have a rounding error iff:\n // 1000 * remainder >= numerator * target\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding up.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // See the comments in `isRoundingError`.\n if (target == 0 || numerator == 0) {\n // When either is zero, the ideal value and rounded value are zero\n // and there is no rounding error. (Although the relative error\n // is undefined.)\n return false;\n }\n // Compute remainder as before\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n remainder = safeSub(denominator, remainder) % denominator;\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibOrder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./LibEIP712.sol\";\n\n\ncontract LibOrder is\n LibEIP712\n{\n // Hash for the EIP712 Order Schema\n bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"Order(\",\n \"address makerAddress,\",\n \"address takerAddress,\",\n \"address feeRecipientAddress,\",\n \"address senderAddress,\",\n \"uint256 makerAssetAmount,\",\n \"uint256 takerAssetAmount,\",\n \"uint256 makerFee,\",\n \"uint256 takerFee,\",\n \"uint256 expirationTimeSeconds,\",\n \"uint256 salt,\",\n \"bytes makerAssetData,\",\n \"bytes takerAssetData\",\n \")\"\n ));\n\n // A valid order remains fillable until it is expired, fully filled, or cancelled.\n // An order's state is unaffected by external factors, like account balances.\n enum OrderStatus {\n INVALID, // Default value\n INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount\n INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount\n FILLABLE, // Order is fillable\n EXPIRED, // Order has already expired\n FULLY_FILLED, // Order is fully filled\n CANCELLED // Order has been cancelled\n }\n\n // solhint-disable max-line-length\n struct Order {\n address makerAddress; // Address that created the order. \n address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order. \n address feeRecipientAddress; // Address that will recieve fees when order is filled. \n address senderAddress; // Address that is allowed to call Exchange contract methods that affect this order. If set to 0, any address is allowed to call these methods.\n uint256 makerAssetAmount; // Amount of makerAsset being offered by maker. Must be greater than 0. \n uint256 takerAssetAmount; // Amount of takerAsset being bid on by maker. Must be greater than 0. \n uint256 makerFee; // Amount of ZRX paid to feeRecipient by maker when order is filled. If set to 0, no transfer of ZRX from maker to feeRecipient will be attempted.\n uint256 takerFee; // Amount of ZRX paid to feeRecipient by taker when order is filled. If set to 0, no transfer of ZRX from taker to feeRecipient will be attempted.\n uint256 expirationTimeSeconds; // Timestamp in seconds at which order expires. \n uint256 salt; // Arbitrary number to facilitate uniqueness of the order's hash. \n bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.\n bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.\n }\n // solhint-enable max-line-length\n\n struct OrderInfo {\n uint8 orderStatus; // Status that describes order's validity and fillability.\n bytes32 orderHash; // EIP712 hash of the order (see LibOrder.getOrderHash).\n uint256 orderTakerAssetFilledAmount; // Amount of order that has already been filled.\n }\n\n /// @dev Calculates Keccak-256 hash of the order.\n /// @param order The order structure.\n /// @return Keccak-256 EIP712 hash of the order.\n function getOrderHash(Order memory order)\n internal\n view\n returns (bytes32 orderHash)\n {\n orderHash = hashEIP712Message(hashOrder(order));\n return orderHash;\n }\n\n /// @dev Calculates EIP712 hash of the order.\n /// @param order The order structure.\n /// @return EIP712 hash of the order.\n function hashOrder(Order memory order)\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ORDER_SCHEMA_HASH;\n bytes32 makerAssetDataHash = keccak256(order.makerAssetData);\n bytes32 takerAssetDataHash = keccak256(order.takerAssetData);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ORDER_SCHEMA_HASH,\n // bytes32(order.makerAddress),\n // bytes32(order.takerAddress),\n // bytes32(order.feeRecipientAddress),\n // bytes32(order.senderAddress),\n // order.makerAssetAmount,\n // order.takerAssetAmount,\n // order.makerFee,\n // order.takerFee,\n // order.expirationTimeSeconds,\n // order.salt,\n // keccak256(order.makerAssetData),\n // keccak256(order.takerAssetData)\n // ));\n\n assembly {\n // Calculate memory addresses that will be swapped out before hashing\n let pos1 := sub(order, 32)\n let pos2 := add(order, 320)\n let pos3 := add(order, 352)\n\n // Backup\n let temp1 := mload(pos1)\n let temp2 := mload(pos2)\n let temp3 := mload(pos3)\n \n // Hash in place\n mstore(pos1, schemaHash)\n mstore(pos2, makerAssetDataHash)\n mstore(pos3, takerAssetDataHash)\n result := keccak256(pos1, 416)\n \n // Restore\n mstore(pos1, temp1)\n mstore(pos2, temp2)\n mstore(pos3, temp3)\n }\n return result;\n }\n}\n", - "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssetProxyDispatcher.sol\";\n\n\ncontract MAssetProxyDispatcher is\n IAssetProxyDispatcher\n{\n // Logs registration of new asset proxy\n event AssetProxyRegistered(\n bytes4 id, // Id of new registered AssetProxy.\n address assetProxy // Address of new registered AssetProxy.\n );\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal;\n}\n", - "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IExchangeCore.sol\";\n\n\ncontract MExchangeCore is\n IExchangeCore\n{\n // Fill event is emitted whenever an order is filled.\n event Fill(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that received fees.\n address takerAddress, // Address that filled the order.\n address senderAddress, // Address that called the Exchange contract (msg.sender).\n uint256 makerAssetFilledAmount, // Amount of makerAsset sold by maker and bought by taker. \n uint256 takerAssetFilledAmount, // Amount of takerAsset sold by taker and bought by maker.\n uint256 makerFeePaid, // Amount of ZRX paid to feeRecipient by maker.\n uint256 takerFeePaid, // Amount of ZRX paid to feeRecipient by taker.\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // Cancel event is emitted whenever an individual order is cancelled.\n event Cancel(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that would have recieved fees if order was filled. \n address senderAddress, // Address that called the Exchange contract (msg.sender).\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // CancelUpTo event is emitted whenever `cancelOrdersUpTo` is executed succesfully.\n event CancelUpTo(\n address indexed makerAddress, // Orders cancelled must have been created by this address.\n address indexed senderAddress, // Orders cancelled must have a `senderAddress` equal to this address.\n uint256 orderEpoch // Orders with specified makerAddress and senderAddress with a salt less than this value are considered cancelled.\n );\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrderInternal(LibOrder.Order memory order)\n internal;\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function updateFilledState(\n LibOrder.Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n LibFillResults.FillResults memory fillResults\n )\n internal;\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n LibOrder.Order memory order,\n bytes32 orderHash\n )\n internal;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo Status, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view;\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo\n )\n internal\n view;\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n LibOrder.Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.FillResults memory fillResults);\n\n}\n", - "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IMatchOrders.sol\";\n\n\ncontract MMatchOrders is\n IMatchOrders\n{\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure;\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n\n}\n", - "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/ISignatureValidator.sol\";\n\n\ncontract MSignatureValidator is\n ISignatureValidator\n{\n event SignatureValidatorApproval(\n address indexed signerAddress, // Address that approves or disapproves a contract to verify signatures.\n address indexed validatorAddress, // Address of signature validator contract.\n bool approved // Approval or disapproval of validator contract.\n );\n\n // Allowed signature types.\n enum SignatureType {\n Illegal, // 0x00, default value\n Invalid, // 0x01\n EIP712, // 0x02\n EthSign, // 0x03\n Wallet, // 0x04\n Validator, // 0x05\n PreSigned, // 0x06\n NSignatureTypes // 0x07, number of signature types. Always leave at end.\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/mixins/MTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"../interfaces/ITransactions.sol\";\n\n\ncontract MTransactions is\n ITransactions\n{\n // Hash for the EIP712 ZeroEx Transaction Schema\n bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"ZeroExTransaction(\",\n \"uint256 salt,\",\n \"address signerAddress,\",\n \"bytes data\",\n \")\"\n ));\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result);\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address);\n}\n", - "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IWrapperFunctions.sol\";\n\n\ncontract MWrapperFunctions is \n IWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n}\n", - "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/MintableERC20Token.sol\";\n\n\ncontract DummyERC20Token is \n Ownable,\n MintableERC20Token\n{\n string public name;\n string public symbol;\n uint256 public decimals;\n uint256 public constant MAX_MINT_AMOUNT = 10000000000000000000000;\n\n constructor (\n string _name,\n string _symbol,\n uint256 _decimals,\n uint256 _totalSupply\n )\n public\n {\n name = _name;\n symbol = _symbol;\n decimals = _decimals;\n _totalSupply = _totalSupply;\n balances[msg.sender] = _totalSupply;\n }\n\n /// @dev Sets the balance of target address\n /// @param _target Address or which balance will be updated\n /// @param _value New balance of target address\n function setBalance(address _target, uint256 _value)\n external\n onlyOwner\n {\n uint256 currBalance = balances[_target];\n if (_value < currBalance) {\n _totalSupply = safeSub(_totalSupply, safeSub(currBalance, _value));\n } else {\n _totalSupply = safeAdd(_totalSupply, safeSub(_value, currBalance));\n }\n balances[_target] = _value;\n }\n\n /// @dev Mints new tokens for sender\n /// @param _value Amount of tokens to mint\n function mint(uint256 _value)\n external\n {\n require(\n _value <= MAX_MINT_AMOUNT,\n \"VALUE_TOO_LARGE\"\n );\n\n _mint(msg.sender, _value);\n }\n}\n", - "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../tokens/ERC721Token/MintableERC721Token.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract DummyERC721Token is\n Ownable,\n MintableERC721Token\n{\n string public name;\n string public symbol;\n\n constructor (\n string _name,\n string _symbol\n )\n public\n {\n name = _name;\n symbol = _symbol;\n }\n\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function mint(address _to, uint256 _tokenId)\n external\n {\n _mint(_to, _tokenId);\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist or not called by contract owner\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function burn(address _owner, uint256 _tokenId)\n external\n onlyOwner\n {\n _burn(_owner, _tokenId);\n }\n}\n", - "2.0.0/tokens/ERC20Token/ERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC20Token.sol\";\n\n\ncontract ERC20Token is\n IERC20Token\n{\n mapping (address => uint256) internal balances;\n mapping (address => mapping (address => uint256)) internal allowed;\n\n uint256 internal _totalSupply;\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool)\n {\n require(\n balances[msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[msg.sender] -= _value;\n balances[_to] += _value;\n\n emit Transfer(\n msg.sender,\n _to,\n _value\n );\n\n return true;\n }\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowed[_from][msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n allowed[_from][msg.sender] -= _value;\n \n emit Transfer(\n _from,\n _to,\n _value\n );\n \n return true;\n }\n\n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool)\n {\n allowed[msg.sender][_spender] = _value;\n emit Approval(\n msg.sender,\n _spender,\n _value\n );\n return true;\n }\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256)\n {\n return _totalSupply;\n }\n\n /// @dev Query the balance of owner\n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n return balances[_owner];\n }\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256)\n {\n return allowed[_owner][_spender];\n }\n}\n", - "2.0.0/tokens/ERC20Token/IERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n \n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n \n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", - "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/SafeMath/SafeMath.sol\";\nimport \"./UnlimitedAllowanceERC20Token.sol\";\n\n\ncontract MintableERC20Token is \n SafeMath,\n UnlimitedAllowanceERC20Token\n{\n /// @dev Mints new tokens\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _value Amount of tokens to mint\n function _mint(address _to, uint256 _value)\n internal\n {\n balances[_to] = safeAdd(_value, balances[_to]);\n _totalSupply = safeAdd(_totalSupply, _value);\n\n emit Transfer(\n address(0),\n _to,\n _value\n );\n }\n\n /// @dev Mints new tokens\n /// @param _owner Owner of tokens that will be burned\n /// @param _value Amount of tokens to burn\n function _burn(address _owner, uint256 _value)\n internal\n {\n balances[_owner] = safeSub(balances[_owner], _value);\n _totalSupply = safeSub(_totalSupply, _value);\n\n emit Transfer(\n _owner,\n address(0),\n _value\n );\n }\n}\n", - "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/ERC20Token.sol\";\n\n\ncontract UnlimitedAllowanceERC20Token is\n ERC20Token\n{\n uint256 constant internal MAX_UINT = 2**256 - 1;\n\n /// @dev ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited allowance. See https://github.com/ethereum/EIPs/issues/717\n /// @param _from Address to transfer from.\n /// @param _to Address to transfer to.\n /// @param _value Amount to transfer.\n /// @return Success of transfer.\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n uint256 allowance = allowed[_from][msg.sender];\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowance >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n if (allowance < MAX_UINT) {\n allowed[_from][msg.sender] -= _value;\n }\n\n emit Transfer(\n _from,\n _to,\n _value\n );\n\n return true;\n }\n}\n", - "2.0.0/tokens/ERC721Token/ERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC721Token.sol\";\nimport \"./IERC721Receiver.sol\";\nimport \"../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract ERC721Token is\n IERC721Token,\n SafeMath\n{\n // Function selector for ERC721Receiver.onERC721Received\n // 0x150b7a02\n bytes4 constant internal ERC721_RECEIVED = bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"));\n\n // Mapping of tokenId => owner\n mapping (uint256 => address) internal owners;\n\n // Mapping of tokenId => approved address\n mapping (uint256 => address) internal approvals;\n\n // Mapping of owner => number of tokens owned\n mapping (address => uint256) internal balances;\n\n // Mapping of owner => operator => approved\n mapping (address => mapping (address => bool)) internal operatorApprovals;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n _data\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n \"\"\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external\n {\n address owner = ownerOf(_tokenId);\n require(\n msg.sender == owner || isApprovedForAll(owner, msg.sender),\n \"ERC721_INVALID_SENDER\"\n );\n\n approvals[_tokenId] = _approved;\n emit Approval(\n owner,\n _approved,\n _tokenId\n );\n }\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external\n {\n operatorApprovals[msg.sender][_operator] = _approved;\n emit ApprovalForAll(\n msg.sender,\n _operator,\n _approved\n );\n }\n \n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return balances[_owner];\n }\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = ownerOf(_tokenId);\n require(\n _from == owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n address spender = msg.sender;\n address approvedAddress = getApproved(_tokenId);\n require(\n spender == owner ||\n isApprovedForAll(owner, spender) ||\n approvedAddress == spender,\n \"ERC721_INVALID_SPENDER\"\n );\n\n if (approvedAddress != address(0)) {\n approvals[_tokenId] = address(0);\n }\n\n owners[_tokenId] = _to;\n balances[_from] = safeSub(balances[_from], 1);\n balances[_to] = safeAdd(balances[_to], 1);\n \n emit Transfer(\n _from,\n _to,\n _tokenId\n );\n }\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address)\n {\n address owner = owners[_tokenId];\n require(\n owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return owner;\n }\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId)\n public\n view\n returns (address)\n {\n return approvals[_tokenId];\n }\n\n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool)\n {\n return operatorApprovals[_owner][_operator];\n }\n}\n", - "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Receiver {\n\n /// @notice Handle the receipt of an NFT\n /// @dev The ERC721 smart contract calls this function on the recipient\n /// after a `transfer`. This function MAY throw to revert and reject the\n /// transfer. Return of other than the magic value MUST result in the\n /// transaction being reverted.\n /// Note: the contract address is always the message sender.\n /// @param _operator The address which called `safeTransferFrom` function\n /// @param _from The address which previously owned the token\n /// @param _tokenId The NFT identifier which is being transferred\n /// @param _data Additional data with no specified format\n /// @return `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`\n /// unless throwing\n function onERC721Received(\n address _operator,\n address _from,\n uint256 _tokenId,\n bytes _data\n )\n external\n returns (bytes4);\n}\n", - "2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Token {\n\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(\n address indexed _owner,\n address indexed _approved,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(\n address indexed _owner,\n address indexed _operator,\n bool _approved\n );\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// perator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external;\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public;\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address);\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) \n public\n view\n returns (address);\n \n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool);\n}\n", - "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./ERC721Token.sol\";\n\n\ncontract MintableERC721Token is\n ERC721Token\n{\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function _mint(address _to, uint256 _tokenId)\n internal\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == address(0),\n \"ERC721_OWNER_ALREADY_EXISTS\"\n );\n\n owners[_tokenId] = _to;\n balances[_to] = safeAdd(balances[_to], 1);\n\n emit Transfer(\n address(0),\n _to,\n _tokenId\n );\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function _burn(address _owner, uint256 _tokenId)\n internal\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == _owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n owners[_tokenId] = address(0);\n balances[_owner] = safeSub(balances[_owner], 1);\n\n emit Transfer(\n _owner,\n address(0),\n _tokenId\n );\n }\n}\n", - "2.0.0/tokens/EtherToken/IEtherToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/IERC20Token.sol\";\n\n\ncontract IEtherToken is\n IERC20Token\n{\n function deposit()\n public\n payable;\n \n function withdraw(uint256 amount)\n public;\n}\n", - "2.0.0/utils/LibBytes/LibBytes.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\nlibrary LibBytes {\n\n using LibBytes for bytes;\n\n /// @dev Gets the memory address for a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of byte array. This\n /// points to the header of the byte array which contains\n /// the length.\n function rawAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := input\n }\n return memoryAddress;\n }\n \n /// @dev Gets the memory address for the contents of a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of the contents of the byte array.\n function contentAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := add(input, 32)\n }\n return memoryAddress;\n }\n\n /// @dev Copies `length` bytes from memory location `source` to `dest`.\n /// @param dest memory address to copy bytes to.\n /// @param source memory address to copy bytes from.\n /// @param length number of bytes to copy.\n function memCopy(\n uint256 dest,\n uint256 source,\n uint256 length\n )\n internal\n pure\n {\n if (length < 32) {\n // Handle a partial word by reading destination and masking\n // off the bits we are interested in.\n // This correctly handles overlap, zero lengths and source == dest\n assembly {\n let mask := sub(exp(256, sub(32, length)), 1)\n let s := and(mload(source), not(mask))\n let d := and(mload(dest), mask)\n mstore(dest, or(s, d))\n }\n } else {\n // Skip the O(length) loop when source == dest.\n if (source == dest) {\n return;\n }\n\n // For large copies we copy whole words at a time. The final\n // word is aligned to the end of the range (instead of after the\n // previous) to handle partial words. So a copy will look like this:\n //\n // ####\n // ####\n // ####\n // ####\n //\n // We handle overlap in the source and destination range by\n // changing the copying direction. This prevents us from\n // overwriting parts of source that we still need to copy.\n //\n // This correctly handles source == dest\n //\n if (source > dest) {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because it\n // is easier to compare with in the loop, and these\n // are also the addresses we need for copying the\n // last bytes.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the last 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the last bytes in\n // source already due to overlap.\n let last := mload(sEnd)\n\n // Copy whole words front to back\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} lt(source, sEnd) {} {\n mstore(dest, mload(source))\n source := add(source, 32)\n dest := add(dest, 32)\n }\n \n // Write the last 32 bytes\n mstore(dEnd, last)\n }\n } else {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because those\n // are the starting points when copying a word at the end.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the first 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the first bytes in\n // source already due to overlap.\n let first := mload(source)\n\n // Copy whole words back to front\n // We use a signed comparisson here to allow dEnd to become\n // negative (happens when source and dest < 32). Valid\n // addresses in local memory will never be larger than\n // 2**255, so they can be safely re-interpreted as signed.\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} slt(dest, dEnd) {} {\n mstore(dEnd, mload(sEnd))\n sEnd := sub(sEnd, 32)\n dEnd := sub(dEnd, 32)\n }\n \n // Write the first 32 bytes\n mstore(dest, first)\n }\n }\n }\n }\n\n /// @dev Returns a slices from a byte array.\n /// @param b The byte array to take a slice from.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n function slice(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure and copy contents\n result = new bytes(to - from);\n memCopy(\n result.contentAddress(),\n b.contentAddress() + from,\n result.length\n );\n return result;\n }\n \n /// @dev Returns a slice from a byte array without preserving the input.\n /// @param b The byte array to take a slice from. Will be destroyed in the process.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n /// @dev When `from == 0`, the original array will match the slice. In other cases its state will be corrupted.\n function sliceDestructive(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure around [from, to) in-place.\n assembly {\n result := add(b, from)\n mstore(result, sub(to, from))\n }\n return result;\n }\n\n /// @dev Pops the last byte off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The byte that was popped off.\n function popLastByte(bytes memory b)\n internal\n pure\n returns (bytes1 result)\n {\n require(\n b.length > 0,\n \"GREATER_THAN_ZERO_LENGTH_REQUIRED\"\n );\n\n // Store last byte.\n result = b[b.length - 1];\n\n assembly {\n // Decrement length of byte array.\n let newLen := sub(mload(b), 1)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Pops the last 20 bytes off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The 20 byte address that was popped off.\n function popLast20Bytes(bytes memory b)\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= 20,\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Store last 20 bytes.\n result = readAddress(b, b.length - 20);\n\n assembly {\n // Subtract 20 from byte array length.\n let newLen := sub(mload(b), 20)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Tests equality of two byte arrays.\n /// @param lhs First byte array to compare.\n /// @param rhs Second byte array to compare.\n /// @return True if arrays are the same. False otherwise.\n function equals(\n bytes memory lhs,\n bytes memory rhs\n )\n internal\n pure\n returns (bool equal)\n {\n // Keccak gas cost is 30 + numWords * 6. This is a cheap way to compare.\n // We early exit on unequal lengths, but keccak would also correctly\n // handle this.\n return lhs.length == rhs.length && keccak256(lhs) == keccak256(rhs);\n }\n\n /// @dev Reads an address from a position in a byte array.\n /// @param b Byte array containing an address.\n /// @param index Index in byte array of address.\n /// @return address from byte array.\n function readAddress(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Read address from array memory\n assembly {\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 20-byte mask to obtain address\n result := and(mload(add(b, index)), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n return result;\n }\n\n /// @dev Writes an address into a specific position in a byte array.\n /// @param b Byte array to insert address into.\n /// @param index Index in byte array of address.\n /// @param input Address to put into byte array.\n function writeAddress(\n bytes memory b,\n uint256 index,\n address input\n )\n internal\n pure\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Store address into array memory\n assembly {\n // The address occupies 20 bytes and mstore stores 32 bytes.\n // First fetch the 32-byte word where we'll be storing the address, then\n // apply a mask so we have only the bytes in the word that the address will not occupy.\n // Then combine these bytes with the address and store the 32 bytes back to memory with mstore.\n\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 12-byte mask to obtain extra bytes occupying word of memory where we'll store the address\n let neighbors := and(\n mload(add(b, index)),\n 0xffffffffffffffffffffffff0000000000000000000000000000000000000000\n )\n \n // Make sure input address is clean.\n // (Solidity does not guarantee this)\n input := and(input, 0xffffffffffffffffffffffffffffffffffffffff)\n\n // Store the neighbors and address into memory\n mstore(add(b, index), xor(input, neighbors))\n }\n }\n\n /// @dev Reads a bytes32 value from a position in a byte array.\n /// @param b Byte array containing a bytes32 value.\n /// @param index Index in byte array of bytes32 value.\n /// @return bytes32 value from byte array.\n function readBytes32(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes32 result)\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n result := mload(add(b, index))\n }\n return result;\n }\n\n /// @dev Writes a bytes32 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes32 to put into byte array.\n function writeBytes32(\n bytes memory b,\n uint256 index,\n bytes32 input\n )\n internal\n pure\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n mstore(add(b, index), input)\n }\n }\n\n /// @dev Reads a uint256 value from a position in a byte array.\n /// @param b Byte array containing a uint256 value.\n /// @param index Index in byte array of uint256 value.\n /// @return uint256 value from byte array.\n function readUint256(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (uint256 result)\n {\n result = uint256(readBytes32(b, index));\n return result;\n }\n\n /// @dev Writes a uint256 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input uint256 to put into byte array.\n function writeUint256(\n bytes memory b,\n uint256 index,\n uint256 input\n )\n internal\n pure\n {\n writeBytes32(b, index, bytes32(input));\n }\n\n /// @dev Reads an unpadded bytes4 value from a position in a byte array.\n /// @param b Byte array containing a bytes4 value.\n /// @param index Index in byte array of bytes4 value.\n /// @return bytes4 value from byte array.\n function readBytes4(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes4 result)\n {\n require(\n b.length >= index + 4,\n \"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 32 byte length field\n index += 32;\n\n // Read the bytes4 from array memory\n assembly {\n result := mload(add(b, index))\n // Solidity does not require us to clean the trailing bytes.\n // We do it anyway\n result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)\n }\n return result;\n }\n\n /// @dev Reads nested bytes from a specific position.\n /// @dev NOTE: the returned value overlaps with the input value.\n /// Both should be treated as immutable.\n /// @param b Byte array containing nested bytes.\n /// @param index Index of nested bytes.\n /// @return result Nested bytes.\n function readBytesWithLength(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes memory result)\n {\n // Read length of nested bytes\n uint256 nestedBytesLength = readUint256(b, index);\n index += 32;\n\n // Assert length of is valid, given\n // length of nested bytes\n require(\n b.length >= index + nestedBytesLength,\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n \n // Return a pointer to the byte array as it exists inside `b`\n assembly {\n result := add(b, index)\n }\n return result;\n }\n\n /// @dev Inserts bytes at a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes to insert.\n function writeBytesWithLength(\n bytes memory b,\n uint256 index,\n bytes memory input\n )\n internal\n pure\n {\n // Assert length of is valid, given\n // length of input\n require(\n b.length >= index + 32 + input.length, // 32 bytes to store length\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n\n // Copy into \n memCopy(\n b.contentAddress() + index,\n input.rawAddress(), // includes length of \n input.length + 32 // +32 bytes to store length\n );\n }\n\n /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length.\n /// @param dest Byte array that will be overwritten with source bytes.\n /// @param source Byte array to copy onto dest bytes.\n function deepCopyBytes(\n bytes memory dest,\n bytes memory source\n )\n internal\n pure\n {\n uint256 sourceLen = source.length;\n // Dest length must be >= source length, or some bytes would not be copied.\n require(\n dest.length >= sourceLen,\n \"GREATER_OR_EQUAL_TO_SOURCE_BYTES_LENGTH_REQUIRED\"\n );\n memCopy(\n dest.contentAddress(),\n source.contentAddress(),\n sourceLen\n );\n }\n}\n", - "2.0.0/utils/Ownable/IOwnable.sol": "pragma solidity 0.4.24;\n\n\ncontract IOwnable {\n\n function transferOwnership(address newOwner)\n public;\n}\n", - "2.0.0/utils/Ownable/Ownable.sol": "pragma solidity 0.4.24;\n\nimport \"./IOwnable.sol\";\n\n\ncontract Ownable is\n IOwnable\n{\n address public owner;\n\n constructor ()\n public\n {\n owner = msg.sender;\n }\n\n modifier onlyOwner() {\n require(\n msg.sender == owner,\n \"ONLY_CONTRACT_OWNER\"\n );\n _;\n }\n\n function transferOwnership(address newOwner)\n public\n onlyOwner\n {\n if (newOwner != address(0)) {\n owner = newOwner;\n }\n }\n}\n", - "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ReentrancyGuard {\n\n // Locked state of mutex\n bool private locked = false;\n\n /// @dev Functions with this modifer cannot be reentered. The mutex will be locked\n /// before function execution and unlocked after.\n modifier nonReentrant() {\n // Ensure mutex is unlocked\n require(\n !locked,\n \"REENTRANCY_ILLEGAL\"\n );\n\n // Lock mutex before function call\n locked = true;\n\n // Perform function call\n _;\n\n // Unlock mutex after function call\n locked = false;\n }\n}\n", - "2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n\n function safeMul(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(\n c / a == b,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function safeDiv(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a / b;\n return c;\n }\n\n function safeSub(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n require(\n b <= a,\n \"UINT256_UNDERFLOW\"\n );\n return a - b;\n }\n\n function safeAdd(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a + b;\n require(\n c >= a,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function max64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n\n function max256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n}\n" - }, - "sourceTreeHashHex": "0x61b379850639517b46c6d60f6c12c18bf568c6d475f90938b2653446bd018009", - "compiler": { - "name": "solc", - "version": "soljson-v0.4.24+commit.e67f0147.js", - "settings": { - "optimizer": { - "enabled": true, - "runs": 1000000 - }, - "outputSelection": { - "*": { - "*": [ - "abi", - "evm.bytecode.object", - "evm.bytecode.sourceMap", - "evm.deployedBytecode.object", - "evm.deployedBytecode.sourceMap" - ] - } - } - } - }, - "networks": { - "3": { - "address": "0xb1408f4c245a23c31b98d2c626777d4c0d766caa", - "links": {}, - "constructorArgs": "[]" - }, - "42": { - "address": "0xf1ec01d6236d3cd881a0bf0130ea25fe4234003e", - "links": {}, - "constructorArgs": "[]" - }, - "50": { - "address": "0x1dc4c1cefef38a777b15aa20260a54e584b16c48", - "links": {}, - "constructorArgs": "[]" - } - } -} diff --git a/packages/migrations/artifacts/2.0.0-beta-testnet/ERC20Token.json b/packages/migrations/artifacts/2.0.0-beta-testnet/ERC20Token.json deleted file mode 100644 index 11ec4b57a..000000000 --- a/packages/migrations/artifacts/2.0.0-beta-testnet/ERC20Token.json +++ /dev/null @@ -1,486 +0,0 @@ -{ - "schemaVersion": "2.0.0", - "contractName": "ERC20Token", - "compilerOutput": { - "abi": [ - { - "constant": false, - "inputs": [ - { - "name": "_spender", - "type": "address" - }, - { - "name": "_value", - "type": "uint256" - } - ], - "name": "approve", - "outputs": [ - { - "name": "", - "type": "bool" - } - ], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": true, - "inputs": [], - "name": "totalSupply", - "outputs": [ - { - "name": "", - "type": "uint256" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "_from", - "type": "address" - }, - { - "name": "_to", - "type": "address" - }, - { - "name": "_value", - "type": "uint256" - } - ], - "name": "transferFrom", - "outputs": [ - { - "name": "", - "type": "bool" - } - ], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "_owner", - "type": "address" - } - ], - "name": "balanceOf", - "outputs": [ - { - "name": "", - "type": "uint256" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "_to", - "type": "address" - }, - { - "name": "_value", - "type": 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- } - } - }, - "sources": { - "2.0.0/extensions/Forwarder/Forwarder.sol": { - "id": 0 - }, - "2.0.0/extensions/Forwarder/MixinAssets.sol": { - "id": 1 - }, - "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": { - "id": 2 - }, - "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": { - "id": 3 - }, - "2.0.0/extensions/Forwarder/MixinWeth.sol": { - "id": 4 - }, - "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": { - "id": 5 - }, - "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": { - "id": 6 - }, - "2.0.0/extensions/Forwarder/libs/LibConstants.sol": { - "id": 7 - }, - "2.0.0/extensions/Forwarder/mixins/MAssets.sol": { - "id": 8 - }, - "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": { - "id": 9 - }, - "2.0.0/extensions/Forwarder/mixins/MWeth.sol": { - "id": 10 - }, - "2.0.0/extensions/OrderValidator/OrderValidator.sol": { - "id": 11 - }, - "2.0.0/multisig/MultiSigWallet.sol": { - "id": 12 - }, - "2.0.0/multisig/MultiSigWalletWithTimeLock.sol": { - "id": 13 - }, - "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": { - "id": 14 - }, - "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": { - "id": 15 - }, - "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": { - "id": 16 - }, - "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": { - "id": 17 - }, - "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": { - "id": 18 - }, - "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": { - "id": 19 - }, - "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": { - "id": 20 - }, - "2.0.0/protocol/Exchange/Exchange.sol": { - "id": 21 - }, - "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": { - "id": 22 - }, - "2.0.0/protocol/Exchange/MixinExchangeCore.sol": { - "id": 23 - }, - "2.0.0/protocol/Exchange/MixinMatchOrders.sol": { - "id": 24 - }, - "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": { - "id": 25 - }, - "2.0.0/protocol/Exchange/MixinTransactions.sol": { - "id": 26 - }, - "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": { - "id": 27 - }, - "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": { - "id": 28 - }, - "2.0.0/protocol/Exchange/interfaces/IExchange.sol": { - "id": 29 - }, - "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": { - "id": 30 - }, - "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": { - "id": 31 - }, - "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": { - "id": 32 - }, - "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": { - "id": 33 - }, - "2.0.0/protocol/Exchange/interfaces/IValidator.sol": { - "id": 34 - }, - "2.0.0/protocol/Exchange/interfaces/IWallet.sol": { - "id": 35 - }, - "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": { - "id": 36 - }, - "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": { - "id": 37 - }, - "2.0.0/protocol/Exchange/libs/LibConstants.sol": { - "id": 38 - }, - "2.0.0/protocol/Exchange/libs/LibEIP712.sol": { - "id": 39 - }, - "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": { - "id": 40 - }, - "2.0.0/protocol/Exchange/libs/LibFillResults.sol": { - "id": 41 - }, - "2.0.0/protocol/Exchange/libs/LibMath.sol": { - "id": 42 - }, - "2.0.0/protocol/Exchange/libs/LibOrder.sol": { - "id": 43 - }, - "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": { - "id": 44 - }, - "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": { - "id": 45 - }, - "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": { - "id": 46 - }, - "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": { - "id": 47 - }, - "2.0.0/protocol/Exchange/mixins/MTransactions.sol": { - "id": 48 - }, - "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": { - "id": 49 - }, - "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": { - "id": 50 - }, - "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": { - "id": 51 - }, - "2.0.0/tokens/ERC20Token/ERC20Token.sol": { - "id": 52 - }, - "2.0.0/tokens/ERC20Token/IERC20Token.sol": { - "id": 53 - }, - "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": { - "id": 54 - }, - "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": { - "id": 55 - }, - "2.0.0/tokens/ERC721Token/ERC721Token.sol": { - "id": 56 - }, - "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": { - "id": 57 - }, - "2.0.0/tokens/ERC721Token/IERC721Token.sol": { - "id": 58 - }, - "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": { - "id": 59 - }, - "2.0.0/tokens/EtherToken/IEtherToken.sol": { - "id": 60 - }, - "2.0.0/utils/LibBytes/LibBytes.sol": { - "id": 61 - }, - "2.0.0/utils/Ownable/IOwnable.sol": { - "id": 62 - }, - "2.0.0/utils/Ownable/Ownable.sol": { - "id": 63 - }, - "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": { - "id": 64 - }, - "2.0.0/utils/SafeMath/SafeMath.sol": { - "id": 65 - } - }, - "sourceCodes": { - "2.0.0/extensions/Forwarder/Forwarder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinWeth.sol\";\nimport \"./MixinForwarderCore.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinAssets.sol\";\nimport \"./MixinExchangeWrapper.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Forwarder is\n LibConstants,\n MixinWeth,\n MixinAssets,\n MixinExchangeWrapper,\n MixinForwarderCore\n{\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n LibConstants(\n _exchange,\n _zrxAssetData,\n _wethAssetData\n )\n MixinForwarderCore()\n {}\n}\n", - "2.0.0/extensions/Forwarder/MixinAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MAssets.sol\";\n\n\ncontract MixinAssets is\n Ownable,\n LibConstants,\n MAssets\n{\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256(\"transfer(address,uint256)\"));\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external\n onlyOwner\n {\n transferAssetToSender(assetData, amount);\n }\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n bytes4 proxyId = assetData.readBytes4(0);\n\n if (proxyId == ERC20_DATA_ID) {\n transferERC20Token(assetData, amount);\n } else if (proxyId == ERC721_DATA_ID) {\n transferERC721Token(assetData, amount);\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n }\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n address token = assetData.readAddress(16);\n\n // Transfer tokens.\n // We do a raw call so we can check the success separate\n // from the return data.\n bool success = token.call(abi.encodeWithSelector(\n ERC20_TRANSFER_SELECTOR,\n msg.sender,\n amount\n ));\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n \n // Check return data.\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // value that evaluates to true.\n assembly {\n if returndatasize {\n success := 0\n if eq(returndatasize, 32) {\n // First 64 bytes of memory are reserved scratch space\n returndatacopy(0, 0, 32)\n success := mload(0)\n }\n }\n }\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n }\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n require(\n amount == 1,\n \"INVALID_AMOUNT\"\n );\n // Decode asset data.\n address token = assetData.readAddress(16);\n uint256 tokenId = assetData.readUint256(36);\n\n // Perform transfer.\n IERC721Token(token).transferFrom(\n address(this),\n msg.sender,\n tokenId\n );\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"../../protocol/Exchange/libs/LibAbiEncoder.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinExchangeWrapper is\n LibAbiEncoder,\n LibFillResults,\n LibMath,\n LibConstants,\n MExchangeWrapper\n{\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n address exchange = address(EXCHANGE);\n\n // Call `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := call(\n gas, // forward all gas\n exchange, // call address of Exchange contract\n 0, // transfer 0 wei\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of WETH to sell\n uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of WETH\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount;\n if (makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n\n require(\n makerAssetFilledAmount >= makerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n // Do nothing if zrxBuyAmount == 0\n if (zrxBuyAmount == 0) {\n return totalFillResults;\n }\n\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n uint256 zrxPurchased = 0;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // All of these are ZRX/WETH, so we can drop the respective assetData from calldata.\n orders[i].makerAssetData = zrxAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of ZRX to buy.\n uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased);\n\n // Convert the remaining amount of ZRX to buy into remaining amount\n // of WETH to sell, assuming entire amount can be sold in the current order.\n uint256 remainingWethSellAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees \n remainingZrxBuyAmount\n );\n\n // Attempt to sell the remaining amount of WETH.\n FillResults memory singleFillResult = fillOrderNoThrow(\n orders[i],\n safeAdd(remainingWethSellAmount, 1), // we add 1 wei to the fill amount to make up for rounding errors\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker.\n addFillResults(totalFillResults, singleFillResult);\n zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid);\n\n // Stop execution if the entire amount of ZRX has been bought.\n if (zrxPurchased >= zrxBuyAmount) {\n break;\n }\n }\n\n require(\n zrxPurchased >= zrxBuyAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\nimport \"./mixins/MAssets.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"./interfaces/IForwarderCore.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinForwarderCore is\n LibFillResults,\n LibMath,\n LibConstants,\n MWeth,\n MAssets,\n MExchangeWrapper,\n IForwarderCore\n{\n using LibBytes for bytes;\n\n /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf.\n constructor ()\n public\n {\n address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID);\n require(\n proxyAddress != address(0),\n \"UNREGISTERED_ASSET_PROXY\"\n );\n ETHER_TOKEN.approve(proxyAddress, MAX_UINT);\n ZRX_TOKEN.approve(proxyAddress, MAX_UINT);\n }\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 wethSellAmount;\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // Calculate amount of WETH that won't be spent on ETH fees.\n wethSellAmount = getPartialAmountFloor(\n PERCENTAGE_DENOMINATOR,\n safeAdd(PERCENTAGE_DENOMINATOR, feePercentage),\n msg.value\n );\n // Market sell available WETH.\n // ZRX fees are paid with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // 5% of WETH is reserved for filling feeOrders and paying feeRecipient.\n wethSellAmount = getPartialAmountFloor(\n MAX_WETH_FILL_PERCENTAGE,\n PERCENTAGE_DENOMINATOR,\n msg.value\n );\n // Market sell 95% of WETH.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // If the makerAsset is ZRX, it is not necessary to pay fees out of this\n // contracts's ZRX balance because fees are factored into the price of the order.\n orderFillResults = marketBuyExactZrxWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // Attemp to purchase desired amount of makerAsset.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketBuyExactAmountWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\n\n\ncontract MixinWeth is\n LibMath,\n LibConstants,\n MWeth\n{\n /// @dev Default payabale function, this allows us to withdraw WETH\n function ()\n public\n payable\n {\n require(\n msg.sender == address(ETHER_TOKEN),\n \"DEFAULT_FUNCTION_WETH_CONTRACT_ONLY\"\n );\n }\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal\n {\n require(\n msg.value > 0,\n \"INVALID_MSG_VALUE\"\n );\n ETHER_TOKEN.deposit.value(msg.value)();\n }\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal\n {\n // Ensure feePercentage is less than 5%.\n require(\n feePercentage <= MAX_FEE_PERCENTAGE,\n \"FEE_PERCENTAGE_TOO_LARGE\"\n );\n\n // Ensure that no extra WETH owned by this contract has been sold.\n uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx);\n require(\n wethSold <= msg.value,\n \"OVERSOLD_WETH\"\n );\n\n // Calculate amount of WETH that hasn't been sold.\n uint256 wethRemaining = safeSub(msg.value, wethSold);\n\n // Calculate ETH fee to pay to feeRecipient.\n uint256 ethFee = getPartialAmountFloor(\n feePercentage,\n PERCENTAGE_DENOMINATOR,\n wethSoldExcludingFeeOrders\n );\n\n // Ensure fee is less than amount of WETH remaining.\n require(\n ethFee <= wethRemaining,\n \"INSUFFICIENT_ETH_REMAINING\"\n );\n \n // Do nothing if no WETH remaining\n if (wethRemaining > 0) {\n // Convert remaining WETH to ETH\n ETHER_TOKEN.withdraw(wethRemaining);\n\n // Pay ETH to feeRecipient\n if (ethFee > 0) {\n feeRecipient.transfer(ethFee);\n }\n\n // Refund remaining ETH to msg.sender.\n uint256 ethRefund = safeSub(wethRemaining, ethFee);\n if (ethRefund > 0) {\n msg.sender.transfer(ethRefund);\n }\n }\n }\n}\n", - "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssets {\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external;\n}\n", - "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract IForwarderCore {\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n}\n", - "2.0.0/extensions/Forwarder/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/LibBytes/LibBytes.sol\";\nimport \"../../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../../tokens/EtherToken/IEtherToken.sol\";\nimport \"../../../tokens/ERC20Token/IERC20Token.sol\";\n\n\ncontract LibConstants {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n uint256 constant internal MAX_UINT = 2**256 - 1;\n uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; \n uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5%\n uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95%\n \n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n IEtherToken internal ETHER_TOKEN;\n IERC20Token internal ZRX_TOKEN;\n bytes internal ZRX_ASSET_DATA;\n bytes internal WETH_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n WETH_ASSET_DATA = _wethAssetData;\n\n address etherToken = _wethAssetData.readAddress(16);\n address zrxToken = _zrxAssetData.readAddress(16);\n ETHER_TOKEN = IEtherToken(etherToken);\n ZRX_TOKEN = IERC20Token(zrxToken);\n }\n}\n", - "2.0.0/extensions/Forwarder/mixins/MAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssets.sol\";\n\n\ncontract MAssets is\n IAssets\n{\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n}\n", - "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract MExchangeWrapper {\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n}\n", - "2.0.0/extensions/Forwarder/mixins/MWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract MWeth {\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal;\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal;\n}\n", - "2.0.0/extensions/OrderValidator/OrderValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract OrderValidator {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n struct TraderInfo {\n uint256 makerBalance; // Maker's balance of makerAsset\n uint256 makerAllowance; // Maker's allowance to corresponding AssetProxy\n uint256 takerBalance; // Taker's balance of takerAsset\n uint256 takerAllowance; // Taker's allowance to corresponding AssetProxy\n uint256 makerZrxBalance; // Maker's balance of ZRX\n uint256 makerZrxAllowance; // Maker's allowance of ZRX to ERC20Proxy\n uint256 takerZrxBalance; // Taker's balance of ZRX\n uint256 takerZrxAllowance; // Taker's allowance of ZRX to ERC20Proxy\n }\n\n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n bytes internal ZRX_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (address _exchange, bytes memory _zrxAssetData)\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n }\n\n /// @dev Fetches information for order and maker/taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return OrderInfo and TraderInfo instances for given order.\n function getOrderAndTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo, TraderInfo memory traderInfo)\n {\n orderInfo = EXCHANGE.getOrderInfo(order);\n traderInfo = getTraderInfo(order, takerAddress);\n return (orderInfo, traderInfo);\n }\n\n /// @dev Fetches information for all passed in orders and the makers/takers of each order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Arrays of OrderInfo and TraderInfo instances that correspond to each order.\n function getOrdersAndTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (LibOrder.OrderInfo[] memory ordersInfo, TraderInfo[] memory tradersInfo)\n {\n ordersInfo = EXCHANGE.getOrdersInfo(orders);\n tradersInfo = getTradersInfo(orders, takerAddresses);\n return (ordersInfo, tradersInfo);\n }\n\n /// @dev Fetches balance and allowances for maker and taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return Balances and allowances of maker and taker of order.\n function getTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (TraderInfo memory traderInfo)\n {\n (traderInfo.makerBalance, traderInfo.makerAllowance) = getBalanceAndAllowance(order.makerAddress, order.makerAssetData);\n (traderInfo.takerBalance, traderInfo.takerAllowance) = getBalanceAndAllowance(takerAddress, order.takerAssetData);\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n (traderInfo.makerZrxBalance, traderInfo.makerZrxAllowance) = getBalanceAndAllowance(order.makerAddress, zrxAssetData);\n (traderInfo.takerZrxBalance, traderInfo.takerZrxAllowance) = getBalanceAndAllowance(takerAddress, zrxAssetData);\n return traderInfo;\n }\n\n /// @dev Fetches balances and allowances of maker and taker for each provided order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Array of balances and allowances for maker and taker of each order.\n function getTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (TraderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n TraderInfo[] memory tradersInfo = new TraderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n tradersInfo[i] = getTraderInfo(orders[i], takerAddresses[i]);\n }\n return tradersInfo;\n }\n\n /// @dev Fetches token balances and allowances of an address to given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Encoded data that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balance of asset and allowance set to given proxy of asset.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalanceAndAllowance(address target, bytes memory assetData)\n public\n view\n returns (uint256 balance, uint256 allowance)\n {\n bytes4 assetProxyId = assetData.readBytes4(0);\n address token = assetData.readAddress(16);\n address assetProxy = EXCHANGE.getAssetProxy(assetProxyId);\n\n if (assetProxyId == ERC20_DATA_ID) {\n // Query balance\n balance = IERC20Token(token).balanceOf(target);\n\n // Query allowance\n allowance = IERC20Token(token).allowance(target, assetProxy);\n } else if (assetProxyId == ERC721_DATA_ID) {\n uint256 tokenId = assetData.readUint256(36);\n\n // Query owner of tokenId\n address owner = getERC721TokenOwner(token, tokenId);\n\n // Set balance to 1 if tokenId is owned by target\n balance = target == owner ? 1 : 0;\n\n // Check if ERC721Proxy is approved to spend tokenId\n bool isApproved = IERC721Token(token).isApprovedForAll(target, assetProxy) || IERC721Token(token).getApproved(tokenId) == assetProxy;\n \n // Set alowance to 1 if ERC721Proxy is approved to spend tokenId\n allowance = isApproved ? 1 : 0;\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n return (balance, allowance);\n }\n\n /// @dev Fetches token balances and allowances of an address for each given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Array of encoded byte arrays that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balances and allowances of assets.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalancesAndAllowances(address target, bytes[] memory assetData)\n public\n view\n returns (uint256[] memory, uint256[] memory)\n {\n uint256 length = assetData.length;\n uint256[] memory balances = new uint256[](length);\n uint256[] memory allowances = new uint256[](length);\n for (uint256 i = 0; i != length; i++) {\n (balances[i], allowances[i]) = getBalanceAndAllowance(target, assetData[i]);\n }\n return (balances, allowances);\n }\n\n /// @dev Calls `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token.\n /// @param token Address of ERC721 token.\n /// @param tokenId The identifier for the specific NFT.\n /// @return Owner of tokenId or null address if unowned.\n function getERC721TokenOwner(address token, uint256 tokenId)\n public\n view\n returns (address owner)\n {\n assembly {\n // load free memory pointer\n let cdStart := mload(64)\n\n // bytes4(keccak256(ownerOf(uint256))) = 0x6352211e\n mstore(cdStart, 0x6352211e00000000000000000000000000000000000000000000000000000000)\n mstore(add(cdStart, 4), tokenId)\n\n // staticcall `ownerOf(tokenId)`\n // `ownerOf` will revert if tokenId is not owned\n let success := staticcall(\n gas, // forward all gas\n token, // call token contract\n cdStart, // start of calldata\n 36, // length of input is 36 bytes\n cdStart, // write output over input\n 32 // size of output is 32 bytes\n )\n\n // Success implies that tokenId is owned\n // Copy owner from return data if successful\n if success {\n owner := mload(cdStart)\n } \n }\n\n // Owner initialized to address(0), no need to modify if call is unsuccessful\n return owner;\n }\n}\n", - "2.0.0/multisig/MultiSigWallet.sol": "// solhint-disable\npragma solidity ^0.4.15;\n\n\n/// @title Multisignature wallet - Allows multiple parties to agree on transactions before execution.\n/// @author Stefan George - \ncontract MultiSigWallet {\n\n /*\n * Events\n */\n event Confirmation(address indexed sender, uint indexed transactionId);\n event Revocation(address indexed sender, uint indexed transactionId);\n event Submission(uint indexed transactionId);\n event Execution(uint indexed transactionId);\n event ExecutionFailure(uint indexed transactionId);\n event Deposit(address indexed sender, uint value);\n event OwnerAddition(address indexed owner);\n event OwnerRemoval(address indexed owner);\n event RequirementChange(uint required);\n\n /*\n * Constants\n */\n uint constant public MAX_OWNER_COUNT = 50;\n\n /*\n * Storage\n */\n mapping (uint => Transaction) public transactions;\n mapping (uint => mapping (address => bool)) public confirmations;\n mapping (address => bool) public isOwner;\n address[] public owners;\n uint public required;\n uint public transactionCount;\n\n struct Transaction {\n address destination;\n uint value;\n bytes data;\n bool executed;\n }\n\n /*\n * Modifiers\n */\n modifier onlyWallet() {\n require(msg.sender == address(this));\n _;\n }\n\n modifier ownerDoesNotExist(address owner) {\n require(!isOwner[owner]);\n _;\n }\n\n modifier ownerExists(address owner) {\n require(isOwner[owner]);\n _;\n }\n\n modifier transactionExists(uint transactionId) {\n require(transactions[transactionId].destination != 0);\n _;\n }\n\n modifier confirmed(uint transactionId, address owner) {\n require(confirmations[transactionId][owner]);\n _;\n }\n\n modifier notConfirmed(uint transactionId, address owner) {\n require(!confirmations[transactionId][owner]);\n _;\n }\n\n modifier notExecuted(uint transactionId) {\n require(!transactions[transactionId].executed);\n _;\n }\n\n modifier notNull(address _address) {\n require(_address != 0);\n _;\n }\n\n modifier validRequirement(uint ownerCount, uint _required) {\n require(ownerCount <= MAX_OWNER_COUNT\n && _required <= ownerCount\n && _required != 0\n && ownerCount != 0);\n _;\n }\n\n /// @dev Fallback function allows to deposit ether.\n function()\n payable\n {\n if (msg.value > 0)\n Deposit(msg.sender, msg.value);\n }\n\n /*\n * Public functions\n */\n /// @dev Contract constructor sets initial owners and required number of confirmations.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n function MultiSigWallet(address[] _owners, uint _required)\n public\n validRequirement(_owners.length, _required)\n {\n for (uint i=0; i<_owners.length; i++) {\n require(!isOwner[_owners[i]] && _owners[i] != 0);\n isOwner[_owners[i]] = true;\n }\n owners = _owners;\n required = _required;\n }\n\n /// @dev Allows to add a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of new owner.\n function addOwner(address owner)\n public\n onlyWallet\n ownerDoesNotExist(owner)\n notNull(owner)\n validRequirement(owners.length + 1, required)\n {\n isOwner[owner] = true;\n owners.push(owner);\n OwnerAddition(owner);\n }\n\n /// @dev Allows to remove an owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner.\n function removeOwner(address owner)\n public\n onlyWallet\n ownerExists(owner)\n {\n isOwner[owner] = false;\n for (uint i=0; i owners.length)\n changeRequirement(owners.length);\n OwnerRemoval(owner);\n }\n\n /// @dev Allows to replace an owner with a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner to be replaced.\n /// @param newOwner Address of new owner.\n function replaceOwner(address owner, address newOwner)\n public\n onlyWallet\n ownerExists(owner)\n ownerDoesNotExist(newOwner)\n {\n for (uint i=0; i\n// solhint-disable not-rely-on-time\ncontract MultiSigWalletWithTimeLock is\n MultiSigWallet\n{\n event ConfirmationTimeSet(uint256 indexed transactionId, uint256 confirmationTime);\n event TimeLockChange(uint256 secondsTimeLocked);\n\n uint256 public secondsTimeLocked;\n\n mapping (uint256 => uint256) public confirmationTimes;\n\n modifier notFullyConfirmed(uint256 transactionId) {\n require(\n !isConfirmed(transactionId),\n \"TX_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier fullyConfirmed(uint256 transactionId) {\n require(\n isConfirmed(transactionId),\n \"TX_NOT_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier pastTimeLock(uint256 transactionId) {\n require(\n block.timestamp >= confirmationTimes[transactionId] + secondsTimeLocked,\n \"TIME_LOCK_INCOMPLETE\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations, and time lock.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] _owners,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWallet(_owners, _required)\n {\n secondsTimeLocked = _secondsTimeLocked;\n }\n\n /// @dev Changes the duration of the time lock for transactions.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n function changeTimeLock(uint256 _secondsTimeLocked)\n public\n onlyWallet\n {\n secondsTimeLocked = _secondsTimeLocked;\n emit TimeLockChange(_secondsTimeLocked);\n }\n\n /// @dev Allows an owner to confirm a transaction.\n /// @param transactionId Transaction ID.\n function confirmTransaction(uint256 transactionId)\n public\n ownerExists(msg.sender)\n transactionExists(transactionId)\n notConfirmed(transactionId, msg.sender)\n notFullyConfirmed(transactionId)\n {\n confirmations[transactionId][msg.sender] = true;\n emit Confirmation(msg.sender, transactionId);\n if (isConfirmed(transactionId)) {\n setConfirmationTime(transactionId, block.timestamp);\n }\n }\n\n /// @dev Allows anyone to execute a confirmed transaction.\n /// @param transactionId Transaction ID.\n function executeTransaction(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n pastTimeLock(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n\n /// @dev Sets the time of when a submission first passed.\n function setConfirmationTime(uint256 transactionId, uint256 confirmationTime)\n internal\n {\n confirmationTimes[transactionId] = confirmationTime;\n emit ConfirmationTimeSet(transactionId, confirmationTime);\n }\n}\n", - "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC20Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n \n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 1 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n\n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. amount |\n\n /////// Read token address from calldata ///////\n // * The token address is stored in `assetData`.\n //\n // * The \"offset to assetData\" is stored at offset 4 in the calldata (table 1).\n // [assetDataOffsetFromParams = calldataload(4)]\n //\n // * Notes that the \"offset to assetData\" is relative to the \"Params\" area of calldata;\n // add 4 bytes to account for the length of the \"Header\" area (table 1).\n // [assetDataOffsetFromHeader = assetDataOffsetFromParams + 4]\n //\n // * The \"token address\" is offset 32+4=36 bytes into \"assetData\" (tables 1 & 2).\n // [tokenOffset = assetDataOffsetFromHeader + 36 = calldataload(4) + 4 + 36]\n let token := calldataload(add(calldataload(4), 40))\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from`, `to` and `amount` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 96)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output over input\n 32 // output size should be 32 bytes\n )\n\n /////// Check return data. ///////\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // nonzero 32 bytes value.\n // So the transfer succeeded if the call succeeded and either\n // returned nothing, or returned a non-zero 32 byte value. \n success := and(success, or(\n iszero(returndatasize),\n and(\n eq(returndatasize, 32),\n gt(mload(0), 0)\n )\n ))\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", - "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC721Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 2 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n // | | 36 | | 2. tokenId |\n \n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. tokenId |\n\n // There exists only 1 of each token.\n // require(amount == 1, \"INVALID_AMOUNT\")\n if sub(calldataload(100), 1) {\n // Revert with `Error(\"INVALID_AMOUNT\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from` and `to` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 64)\n\n // Copy `tokenId` field from our own calldata to the new calldata.\n let assetDataOffset := calldataload(4)\n calldatacopy(68, add(assetDataOffset, 72), 32)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let token := calldataload(add(assetDataOffset, 40))\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output to null\n 0 // output size is 0 bytes\n )\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", - "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAuthorizable.sol\";\n\n\ncontract MixinAuthorizable is\n Ownable,\n MAuthorizable\n{\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized {\n require(\n authorized[msg.sender],\n \"SENDER_NOT_AUTHORIZED\"\n );\n _;\n }\n\n mapping (address => bool) public authorized;\n address[] public authorities;\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n !authorized[target],\n \"TARGET_ALREADY_AUTHORIZED\"\n );\n\n authorized[target] = true;\n authorities.push(target);\n emit AuthorizedAddressAdded(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n\n delete authorized[target];\n for (uint256 i = 0; i < authorities.length; i++) {\n if (authorities[i] == target) {\n authorities[i] = authorities[authorities.length - 1];\n authorities.length -= 1;\n break;\n }\n }\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n require(\n index < authorities.length,\n \"INDEX_OUT_OF_BOUNDS\"\n );\n require(\n authorities[index] == target,\n \"AUTHORIZED_ADDRESS_MISMATCH\"\n );\n\n delete authorized[target];\n authorities[index] = authorities[authorities.length - 1];\n authorities.length -= 1;\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory)\n {\n return authorities;\n }\n}\n", - "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IAuthorizable.sol\";\n\n\ncontract IAssetProxy is\n IAuthorizable\n{\n /// @dev Transfers assets. Either succeeds or throws.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n function transferFrom(\n bytes assetData,\n address from,\n address to,\n uint256 amount\n )\n external;\n \n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4);\n}\n", - "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/Ownable/IOwnable.sol\";\n\n\ncontract IAuthorizable is\n IOwnable\n{\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external;\n \n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory);\n}\n", - "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAuthorizable.sol\";\n\n\ncontract MAuthorizable is\n IAuthorizable\n{\n // Event logged when a new address is authorized.\n event AuthorizedAddressAdded(\n address indexed target,\n address indexed caller\n );\n\n // Event logged when a currently authorized address is unauthorized.\n event AuthorizedAddressRemoved(\n address indexed target,\n address indexed caller\n );\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized { revert(); _; }\n}\n", - "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../multisig/MultiSigWalletWithTimeLock.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract AssetProxyOwner is\n MultiSigWalletWithTimeLock\n{\n using LibBytes for bytes;\n\n event AssetProxyRegistration(address assetProxyContract, bool isRegistered);\n\n // Mapping of AssetProxy contract address =>\n // if this contract is allowed to call the AssetProxy's `removeAuthorizedAddressAtIndex` method without a time lock.\n mapping (address => bool) public isAssetProxyRegistered;\n\n bytes4 constant internal REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR = bytes4(keccak256(\"removeAuthorizedAddressAtIndex(address,uint256)\"));\n\n /// @dev Function will revert if the transaction does not call `removeAuthorizedAddressAtIndex`\n /// on an approved AssetProxy contract.\n modifier validRemoveAuthorizedAddressAtIndexTx(uint256 transactionId) {\n Transaction storage txn = transactions[transactionId];\n require(\n isAssetProxyRegistered[txn.destination],\n \"UNREGISTERED_ASSET_PROXY\"\n );\n require(\n txn.data.readBytes4(0) == REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR,\n \"INVALID_FUNCTION_SELECTOR\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations,\n /// time lock, and list of AssetProxy addresses.\n /// @param _owners List of initial owners.\n /// @param _assetProxyContracts Array of AssetProxy contract addresses.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] memory _owners,\n address[] memory _assetProxyContracts,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWalletWithTimeLock(_owners, _required, _secondsTimeLocked)\n {\n for (uint256 i = 0; i < _assetProxyContracts.length; i++) {\n address assetProxy = _assetProxyContracts[i];\n require(\n assetProxy != address(0),\n \"INVALID_ASSET_PROXY\"\n );\n isAssetProxyRegistered[assetProxy] = true;\n }\n }\n\n /// @dev Registers or deregisters an AssetProxy to be able to execute\n /// `removeAuthorizedAddressAtIndex` without a timelock.\n /// @param assetProxyContract Address of AssetProxy contract.\n /// @param isRegistered Status of approval for AssetProxy contract.\n function registerAssetProxy(address assetProxyContract, bool isRegistered)\n public\n onlyWallet\n notNull(assetProxyContract)\n {\n isAssetProxyRegistered[assetProxyContract] = isRegistered;\n emit AssetProxyRegistration(assetProxyContract, isRegistered);\n }\n\n /// @dev Allows execution of `removeAuthorizedAddressAtIndex` without time lock.\n /// @param transactionId Transaction ID.\n function executeRemoveAuthorizedAddressAtIndex(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n validRemoveAuthorizedAddressAtIndexTx(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n}\n", - "2.0.0/protocol/Exchange/Exchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinExchangeCore.sol\";\nimport \"./MixinSignatureValidator.sol\";\nimport \"./MixinWrapperFunctions.sol\";\nimport \"./MixinAssetProxyDispatcher.sol\";\nimport \"./MixinTransactions.sol\";\nimport \"./MixinMatchOrders.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Exchange is\n MixinExchangeCore,\n MixinMatchOrders,\n MixinSignatureValidator,\n MixinTransactions,\n MixinAssetProxyDispatcher,\n MixinWrapperFunctions\n{\n string constant public VERSION = \"2.0.1-alpha\";\n\n // Mixins are instantiated in the order they are inherited\n constructor (bytes memory _zrxAssetData)\n public\n LibConstants(_zrxAssetData) // @TODO: Remove when we deploy.\n MixinExchangeCore()\n MixinMatchOrders()\n MixinSignatureValidator()\n MixinTransactions()\n MixinAssetProxyDispatcher()\n MixinWrapperFunctions()\n {}\n}\n", - "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\nimport \"../AssetProxy/interfaces/IAssetProxy.sol\";\n\n\ncontract MixinAssetProxyDispatcher is\n Ownable,\n MAssetProxyDispatcher\n{\n // Mapping from Asset Proxy Id's to their respective Asset Proxy\n mapping (bytes4 => IAssetProxy) public assetProxies;\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external\n onlyOwner\n {\n IAssetProxy assetProxyContract = IAssetProxy(assetProxy);\n\n // Ensure that no asset proxy exists with current id.\n bytes4 assetProxyId = assetProxyContract.getProxyId();\n address currentAssetProxy = assetProxies[assetProxyId];\n require(\n currentAssetProxy == address(0),\n \"ASSET_PROXY_ALREADY_EXISTS\"\n );\n\n // Add asset proxy and log registration.\n assetProxies[assetProxyId] = assetProxyContract;\n emit AssetProxyRegistered(\n assetProxyId,\n assetProxy\n );\n }\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address)\n {\n return assetProxies[assetProxyId];\n }\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal\n {\n // Do nothing if no amount should be transferred.\n if (amount > 0 && from != to) {\n // Ensure assetData length is valid\n require(\n assetData.length > 3,\n \"LENGTH_GREATER_THAN_3_REQUIRED\"\n );\n \n // Lookup assetProxy. We do not use `LibBytes.readBytes4` for gas efficiency reasons.\n bytes4 assetProxyId;\n assembly {\n assetProxyId := and(mload(\n add(assetData, 32)),\n 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000\n )\n }\n address assetProxy = assetProxies[assetProxyId];\n\n // Ensure that assetProxy exists\n require(\n assetProxy != address(0),\n \"ASSET_PROXY_DOES_NOT_EXIST\"\n );\n \n // We construct calldata for the `assetProxy.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n\n assembly {\n /////// Setup State ///////\n // `cdStart` is the start of the calldata for `assetProxy.transferFrom` (equal to free memory ptr).\n let cdStart := mload(64)\n // `dataAreaLength` is the total number of words needed to store `assetData`\n // As-per the ABI spec, this value is padded up to the nearest multiple of 32,\n // and includes 32-bytes for length.\n let dataAreaLength := and(add(mload(assetData), 63), 0xFFFFFFFFFFFE0)\n // `cdEnd` is the end of the calldata for `assetProxy.transferFrom`.\n let cdEnd := add(cdStart, add(132, dataAreaLength))\n\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFromSelector`.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes.\n // Notes:\n // 1. The offset to `assetData` is the length of the Params Area (128 bytes).\n // 2. A 20-byte mask is applied to addresses to zero-out the unused bytes.\n mstore(add(cdStart, 4), 128)\n mstore(add(cdStart, 36), and(from, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 68), and(to, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 100), amount)\n \n /////// Setup Data Area ///////\n // This area holds `assetData`.\n let dataArea := add(cdStart, 132)\n // solhint-disable-next-line no-empty-blocks\n for {} lt(dataArea, cdEnd) {} {\n mstore(dataArea, mload(assetData))\n dataArea := add(dataArea, 32)\n assetData := add(assetData, 32)\n }\n\n /////// Call `assetProxy.transferFrom` using the constructed calldata ///////\n let success := call(\n gas, // forward all gas\n assetProxy, // call address of asset proxy\n 0, // don't send any ETH\n cdStart, // pointer to start of input\n sub(cdEnd, cdStart), // length of input \n cdStart, // write output over input\n 512 // reserve 512 bytes for output\n )\n if iszero(success) {\n revert(cdStart, returndatasize())\n }\n }\n }\n }\n}\n", - "2.0.0/protocol/Exchange/MixinExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinExchangeCore is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n LibOrder,\n LibFillResults,\n MAssetProxyDispatcher,\n MExchangeCore,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of orderHash => amount of takerAsset already bought by maker\n mapping (bytes32 => uint256) public filled;\n\n // Mapping of orderHash => cancelled\n mapping (bytes32 => bool) public cancelled;\n\n // Mapping of makerAddress => senderAddress => lowest salt an order can have in order to be fillable\n // Orders with specified senderAddress and with a salt less than their epoch are considered cancelled\n mapping (address => mapping (address => uint256)) public orderEpoch;\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external\n nonReentrant\n {\n address makerAddress = getCurrentContextAddress();\n // If this function is called via `executeTransaction`, we only update the orderEpoch for the makerAddress/msg.sender combination.\n // This allows external filter contracts to add rules to how orders are cancelled via this function.\n address senderAddress = makerAddress == msg.sender ? address(0) : msg.sender;\n\n // orderEpoch is initialized to 0, so to cancelUpTo we need salt + 1\n uint256 newOrderEpoch = targetOrderEpoch + 1; \n uint256 oldOrderEpoch = orderEpoch[makerAddress][senderAddress];\n\n // Ensure orderEpoch is monotonically increasing\n require(\n newOrderEpoch > oldOrderEpoch, \n \"INVALID_NEW_ORDER_EPOCH\"\n );\n\n // Update orderEpoch\n orderEpoch[makerAddress][senderAddress] = newOrderEpoch;\n emit CancelUpTo(\n makerAddress,\n senderAddress,\n newOrderEpoch\n );\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrder(Order memory order)\n public\n nonReentrant\n {\n cancelOrderInternal(order);\n }\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(Order memory order)\n public\n view\n returns (OrderInfo memory orderInfo)\n {\n // Compute the order hash\n orderInfo.orderHash = getOrderHash(order);\n\n // Fetch filled amount\n orderInfo.orderTakerAssetFilledAmount = filled[orderInfo.orderHash];\n\n // If order.makerAssetAmount is zero, we also reject the order.\n // While the Exchange contract handles them correctly, they create\n // edge cases in the supporting infrastructure because they have\n // an 'infinite' price when computed by a simple division.\n if (order.makerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_MAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // If order.takerAssetAmount is zero, then the order will always\n // be considered filled because 0 == takerAssetAmount == orderTakerAssetFilledAmount\n // Instead of distinguishing between unfilled and filled zero taker\n // amount orders, we choose not to support them.\n if (order.takerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_TAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // Validate order availability\n if (orderInfo.orderTakerAssetFilledAmount >= order.takerAssetAmount) {\n orderInfo.orderStatus = uint8(OrderStatus.FULLY_FILLED);\n return orderInfo;\n }\n\n // Validate order expiration\n // solhint-disable-next-line not-rely-on-time\n if (block.timestamp >= order.expirationTimeSeconds) {\n orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);\n return orderInfo;\n }\n\n // Check if order has been cancelled\n if (cancelled[orderInfo.orderHash]) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n if (orderEpoch[order.makerAddress][order.senderAddress] > order.salt) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n\n // All other statuses are ruled out: order is Fillable\n orderInfo.orderStatus = uint8(OrderStatus.FILLABLE);\n return orderInfo;\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // Fetch order info\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Assert that the order is fillable by taker\n assertFillableOrder(\n order,\n orderInfo,\n takerAddress,\n signature\n );\n \n // Get amount of takerAsset to fill\n uint256 remainingTakerAssetAmount = safeSub(order.takerAssetAmount, orderInfo.orderTakerAssetFilledAmount);\n uint256 takerAssetFilledAmount = min256(takerAssetFillAmount, remainingTakerAssetAmount);\n\n // Validate context\n assertValidFill(\n order,\n orderInfo,\n takerAssetFillAmount,\n takerAssetFilledAmount,\n fillResults.makerAssetFilledAmount\n );\n\n // Compute proportional fill amounts\n fillResults = calculateFillResults(order, takerAssetFilledAmount);\n\n // Update exchange internal state\n updateFilledState(\n order,\n takerAddress,\n orderInfo.orderHash,\n orderInfo.orderTakerAssetFilledAmount,\n fillResults\n );\n \n // Settle order\n settleOrder(\n order,\n takerAddress,\n fillResults\n );\n\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrderInternal(Order memory order)\n internal\n {\n // Fetch current order status\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Validate context\n assertValidCancel(order, orderInfo);\n\n // Perform cancel\n updateCancelledState(order, orderInfo.orderHash);\n }\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n function updateFilledState(\n Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n FillResults memory fillResults\n )\n internal\n {\n // Update state\n filled[orderHash] = safeAdd(orderTakerAssetFilledAmount, fillResults.takerAssetFilledAmount);\n\n // Log order\n emit Fill(\n order.makerAddress,\n order.feeRecipientAddress,\n takerAddress,\n msg.sender,\n fillResults.makerAssetFilledAmount,\n fillResults.takerAssetFilledAmount,\n fillResults.makerFeePaid,\n fillResults.takerFeePaid,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n Order memory order,\n bytes32 orderHash\n )\n internal\n {\n // Perform cancel\n cancelled[orderHash] = true;\n\n // Log cancel\n emit Cancel(\n order.makerAddress,\n order.feeRecipientAddress,\n msg.sender,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n Order memory order,\n OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view\n {\n // An order can only be filled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n \n // Validate sender is allowed to fill this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n \n // Validate taker is allowed to fill this order\n if (order.takerAddress != address(0)) {\n require(\n order.takerAddress == takerAddress,\n \"INVALID_TAKER\"\n );\n }\n \n // Validate Maker signature (check only if first time seen)\n if (orderInfo.orderTakerAssetFilledAmount == 0) {\n require(\n isValidSignature(\n orderInfo.orderHash,\n order.makerAddress,\n signature\n ),\n \"INVALID_ORDER_SIGNATURE\"\n );\n }\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n Order memory order,\n OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount, // TODO: use FillResults\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view\n {\n // Revert if fill amount is invalid\n // TODO: reconsider necessity for v2.1\n require(\n takerAssetFillAmount != 0,\n \"INVALID_TAKER_AMOUNT\"\n );\n \n // Make sure taker does not pay more than desired amount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n takerAssetFilledAmount <= takerAssetFillAmount,\n \"TAKER_OVERPAY\"\n );\n \n // Make sure order is not overfilled\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeAdd(orderInfo.orderTakerAssetFilledAmount, takerAssetFilledAmount) <= order.takerAssetAmount,\n \"ORDER_OVERFILL\"\n );\n \n // Make sure order is filled at acceptable price.\n // The order has an implied price from the makers perspective:\n // order price = order.makerAssetAmount / order.takerAssetAmount\n // i.e. the number of makerAsset maker is paying per takerAsset. The\n // maker is guaranteed to get this price or a better (lower) one. The\n // actual price maker is getting in this fill is:\n // fill price = makerAssetFilledAmount / takerAssetFilledAmount\n // We need `fill price <= order price` for the fill to be fair to maker.\n // This amounts to:\n // makerAssetFilledAmount order.makerAssetAmount\n // ------------------------ <= -----------------------\n // takerAssetFilledAmount order.takerAssetAmount\n // or, equivalently:\n // makerAssetFilledAmount * order.takerAssetAmount <=\n // order.makerAssetAmount * takerAssetFilledAmount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeMul(makerAssetFilledAmount, order.takerAssetAmount)\n <= \n safeMul(order.makerAssetAmount, takerAssetFilledAmount),\n \"INVALID_FILL_PRICE\"\n );\n }\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n Order memory order,\n OrderInfo memory orderInfo\n )\n internal\n view\n {\n // Ensure order is valid\n // An order can only be cancelled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Validate sender is allowed to cancel this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate transaction signed by maker\n address makerAddress = getCurrentContextAddress();\n require(\n order.makerAddress == makerAddress,\n \"INVALID_MAKER\"\n );\n }\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (FillResults memory fillResults)\n {\n // Compute proportional transfer amounts\n fillResults.takerAssetFilledAmount = takerAssetFilledAmount;\n fillResults.makerAssetFilledAmount = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n );\n fillResults.makerFeePaid = safeGetPartialAmountFloor(\n fillResults.makerAssetFilledAmount,\n order.makerAssetAmount,\n order.makerFee\n );\n fillResults.takerFeePaid = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.takerFee\n );\n\n return fillResults;\n }\n\n /// @dev Settles an order by transferring assets between counterparties.\n /// @param order Order struct containing order specifications.\n /// @param takerAddress Address selling takerAsset and buying makerAsset.\n /// @param fillResults Amounts to be filled and fees paid by maker and taker.\n function settleOrder(\n LibOrder.Order memory order,\n address takerAddress,\n LibFillResults.FillResults memory fillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n dispatchTransferFrom(\n order.makerAssetData,\n order.makerAddress,\n takerAddress,\n fillResults.makerAssetFilledAmount\n );\n dispatchTransferFrom(\n order.takerAssetData,\n takerAddress,\n order.makerAddress,\n fillResults.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n zrxAssetData,\n order.makerAddress,\n order.feeRecipientAddress,\n fillResults.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n order.feeRecipientAddress,\n fillResults.takerFeePaid\n );\n }\n}\n", - "2.0.0/protocol/Exchange/MixinMatchOrders.sol": "/*\n Copyright 2018 ZeroEx Intl.\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n http://www.apache.org/licenses/LICENSE-2.0\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MMatchOrders.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinMatchOrders is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n MAssetProxyDispatcher,\n MExchangeCore,\n MMatchOrders,\n MTransactions\n{\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n nonReentrant\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We assume that rightOrder.takerAssetData == leftOrder.makerAssetData and rightOrder.makerAssetData == leftOrder.takerAssetData.\n // If this assumption isn't true, the match will fail at signature validation.\n rightOrder.makerAssetData = leftOrder.takerAssetData;\n rightOrder.takerAssetData = leftOrder.makerAssetData;\n\n // Get left & right order info\n LibOrder.OrderInfo memory leftOrderInfo = getOrderInfo(leftOrder);\n LibOrder.OrderInfo memory rightOrderInfo = getOrderInfo(rightOrder);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Either our context is valid or we revert\n assertFillableOrder(\n leftOrder,\n leftOrderInfo,\n takerAddress,\n leftSignature\n );\n assertFillableOrder(\n rightOrder,\n rightOrderInfo,\n takerAddress,\n rightSignature\n );\n assertValidMatch(leftOrder, rightOrder);\n\n // Compute proportional fill amounts\n matchedFillResults = calculateMatchedFillResults(\n leftOrder,\n rightOrder,\n leftOrderInfo.orderTakerAssetFilledAmount,\n rightOrderInfo.orderTakerAssetFilledAmount\n );\n\n // Validate fill contexts\n assertValidFill(\n leftOrder,\n leftOrderInfo,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.makerAssetFilledAmount\n );\n assertValidFill(\n rightOrder,\n rightOrderInfo,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n \n // Update exchange state\n updateFilledState(\n leftOrder,\n takerAddress,\n leftOrderInfo.orderHash,\n leftOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.left\n );\n updateFilledState(\n rightOrder,\n takerAddress,\n rightOrderInfo.orderHash,\n rightOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.right\n );\n\n // Settle matched orders. Succeeds or throws.\n settleMatchedOrders(\n leftOrder,\n rightOrder,\n takerAddress,\n matchedFillResults\n );\n\n return matchedFillResults;\n }\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure\n {\n // Make sure there is a profitable spread.\n // There is a profitable spread iff the cost per unit bought (OrderA.MakerAmount/OrderA.TakerAmount) for each order is greater\n // than the profit per unit sold of the matched order (OrderB.TakerAmount/OrderB.MakerAmount).\n // This is satisfied by the equations below:\n // / >= / \n // AND\n // / >= / \n // These equations can be combined to get the following:\n require(\n safeMul(leftOrder.makerAssetAmount, rightOrder.makerAssetAmount) >=\n safeMul(leftOrder.takerAssetAmount, rightOrder.takerAssetAmount),\n \"NEGATIVE_SPREAD_REQUIRED\"\n );\n }\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // Derive maker asset amounts for left & right orders, given store taker assert amounts\n uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);\n uint256 leftMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n leftTakerAssetAmountRemaining\n );\n uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);\n uint256 rightMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n rightOrder.makerAssetAmount,\n rightOrder.takerAssetAmount,\n rightTakerAssetAmountRemaining\n );\n\n // Calculate fill results for maker and taker assets: at least one order will be fully filled.\n // The maximum amount the left maker can buy is `leftTakerAssetAmountRemaining`\n // The maximum amount the right maker can sell is `rightMakerAssetAmountRemaining`\n // We have two distinct cases for calculating the fill results:\n // Case 1.\n // If the left maker can buy more than the right maker can sell, then only the right order is fully filled.\n // If the left maker can buy exactly what the right maker can sell, then both orders are fully filled.\n // Case 2.\n // If the left maker cannot buy more than the right maker can sell, then only the left order is fully filled.\n if (leftTakerAssetAmountRemaining >= rightMakerAssetAmountRemaining) {\n // Case 1: Right order is fully filled\n matchedFillResults.right.makerAssetFilledAmount = rightMakerAssetAmountRemaining;\n matchedFillResults.right.takerAssetFilledAmount = rightTakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = matchedFillResults.right.makerAssetFilledAmount;\n // Round down to ensure the maker's exchange rate does not exceed the price specified by the order. \n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.left.makerAssetFilledAmount = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n matchedFillResults.left.takerAssetFilledAmount\n );\n } else {\n // Case 2: Left order is fully filled\n matchedFillResults.left.makerAssetFilledAmount = leftMakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = leftTakerAssetAmountRemaining;\n matchedFillResults.right.makerAssetFilledAmount = matchedFillResults.left.takerAssetFilledAmount;\n // Round up to ensure the maker's exchange rate does not exceed the price specified by the order.\n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.right.takerAssetFilledAmount = safeGetPartialAmountCeil(\n rightOrder.takerAssetAmount,\n rightOrder.makerAssetAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n }\n\n // Calculate amount given to taker\n matchedFillResults.leftMakerAssetSpreadAmount = safeSub(\n matchedFillResults.left.makerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount\n );\n\n // Compute fees for left order\n matchedFillResults.left.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.makerAssetFilledAmount,\n leftOrder.makerAssetAmount,\n leftOrder.makerFee\n );\n matchedFillResults.left.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.takerAssetFilledAmount,\n leftOrder.takerAssetAmount,\n leftOrder.takerFee\n );\n\n // Compute fees for right order\n matchedFillResults.right.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.makerAssetFilledAmount,\n rightOrder.makerAssetAmount,\n rightOrder.makerFee\n );\n matchedFillResults.right.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.takerAssetFilledAmount,\n rightOrder.takerAssetAmount,\n rightOrder.takerFee\n );\n\n // Return fill results\n return matchedFillResults;\n }\n\n /// @dev Settles matched order by transferring appropriate funds between order makers, taker, and fee recipient.\n /// @param leftOrder First matched order.\n /// @param rightOrder Second matched order.\n /// @param takerAddress Address that matched the orders. The taker receives the spread between orders as profit.\n /// @param matchedFillResults Struct holding amounts to transfer between makers, taker, and fee recipients.\n function settleMatchedOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n address takerAddress,\n LibFillResults.MatchedFillResults memory matchedFillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n // Order makers and taker\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n rightOrder.makerAddress,\n matchedFillResults.right.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n rightOrder.makerAssetData,\n rightOrder.makerAddress,\n leftOrder.makerAddress,\n matchedFillResults.left.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n takerAddress,\n matchedFillResults.leftMakerAssetSpreadAmount\n );\n\n // Maker fees\n dispatchTransferFrom(\n zrxAssetData,\n leftOrder.makerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n rightOrder.makerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.makerFeePaid\n );\n\n // Taker fees\n if (leftOrder.feeRecipientAddress == rightOrder.feeRecipientAddress) {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n safeAdd(\n matchedFillResults.left.takerFeePaid,\n matchedFillResults.right.takerFeePaid\n )\n );\n } else {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.takerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.takerFeePaid\n );\n }\n }\n}\n", - "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./interfaces/IWallet.sol\";\nimport \"./interfaces/IValidator.sol\";\n\n\ncontract MixinSignatureValidator is\n ReentrancyGuard,\n MSignatureValidator,\n MTransactions\n{\n using LibBytes for bytes;\n \n // Mapping of hash => signer => signed\n mapping (bytes32 => mapping (address => bool)) public preSigned;\n\n // Mapping of signer => validator => approved\n mapping (address => mapping (address => bool)) public allowedValidators;\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n {\n if (signerAddress != msg.sender) {\n require(\n isValidSignature(\n hash,\n signerAddress,\n signature\n ),\n \"INVALID_SIGNATURE\"\n );\n }\n preSigned[hash][signerAddress] = true;\n }\n\n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external\n nonReentrant\n {\n address signerAddress = getCurrentContextAddress();\n allowedValidators[signerAddress][validatorAddress] = approval;\n emit SignatureValidatorApproval(\n signerAddress,\n validatorAddress,\n approval\n );\n }\n\n /// @dev Verifies that a hash has been signed by the given signer.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid)\n {\n require(\n signature.length > 0,\n \"LENGTH_GREATER_THAN_0_REQUIRED\"\n );\n\n // Pop last byte off of signature byte array.\n uint8 signatureTypeRaw = uint8(signature.popLastByte());\n\n // Ensure signature is supported\n require(\n signatureTypeRaw < uint8(SignatureType.NSignatureTypes),\n \"SIGNATURE_UNSUPPORTED\"\n );\n\n SignatureType signatureType = SignatureType(signatureTypeRaw);\n\n // Variables are not scoped in Solidity.\n uint8 v;\n bytes32 r;\n bytes32 s;\n address recovered;\n\n // Always illegal signature.\n // This is always an implicit option since a signer can create a\n // signature array with invalid type or length. We may as well make\n // it an explicit option. This aids testing and analysis. It is\n // also the initialization value for the enum type.\n if (signatureType == SignatureType.Illegal) {\n revert(\"SIGNATURE_ILLEGAL\");\n\n // Always invalid signature.\n // Like Illegal, this is always implicitly available and therefore\n // offered explicitly. It can be implicitly created by providing\n // a correctly formatted but incorrect signature.\n } else if (signatureType == SignatureType.Invalid) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = false;\n return isValid;\n\n // Signature using EIP712\n } else if (signatureType == SignatureType.EIP712) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n hash,\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signed using web3.eth_sign\n } else if (signatureType == SignatureType.EthSign) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n32\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signature verified by wallet contract.\n // If used with an order, the maker of the order is the wallet contract.\n } else if (signatureType == SignatureType.Wallet) {\n isValid = isValidWalletSignature(\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signature verified by validator contract.\n // If used with an order, the maker of the order can still be an EOA.\n // A signature using this type should be encoded as:\n // | Offset | Length | Contents |\n // | 0x00 | x | Signature to validate |\n // | 0x00 + x | 20 | Address of validator contract |\n // | 0x14 + x | 1 | Signature type is always \"\\x06\" |\n } else if (signatureType == SignatureType.Validator) {\n // Pop last 20 bytes off of signature byte array.\n address validatorAddress = signature.popLast20Bytes();\n \n // Ensure signer has approved validator.\n if (!allowedValidators[signerAddress][validatorAddress]) {\n return false;\n }\n isValid = isValidValidatorSignature(\n validatorAddress,\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signer signed hash previously using the preSign function.\n } else if (signatureType == SignatureType.PreSigned) {\n isValid = preSigned[hash][signerAddress];\n return isValid;\n }\n\n // Anything else is illegal (We do not return false because\n // the signature may actually be valid, just not in a format\n // that we currently support. In this case returning false\n // may lead the caller to incorrectly believe that the\n // signature was invalid.)\n revert(\"SIGNATURE_UNSUPPORTED\");\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if signature is valid for given wallet..\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IWallet(walletAddress).isValidSignature.selector,\n hash,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n walletAddress, // address of Wallet contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"WALLET_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000c57414c4c45545f4552524f5200000000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IValidator(signerAddress).isValidSignature.selector,\n hash,\n signerAddress,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n validatorAddress, // address of Validator contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"VALIDATOR_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f56414c494441544f525f4552524f5200000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n}\n", - "2.0.0/protocol/Exchange/MixinTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"./libs/LibExchangeErrors.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./libs/LibEIP712.sol\";\n\n\ncontract MixinTransactions is\n LibEIP712,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of transaction hash => executed\n // This prevents transactions from being executed more than once.\n mapping (bytes32 => bool) public transactions;\n\n // Address of current transaction signer\n address public currentContextAddress;\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external\n {\n // Prevent reentrancy\n require(\n currentContextAddress == address(0),\n \"REENTRANCY_ILLEGAL\"\n );\n\n bytes32 transactionHash = hashEIP712Message(hashZeroExTransaction(\n salt,\n signerAddress,\n data\n ));\n\n // Validate transaction has not been executed\n require(\n !transactions[transactionHash],\n \"INVALID_TX_HASH\"\n );\n\n // Transaction always valid if signer is sender of transaction\n if (signerAddress != msg.sender) {\n // Validate signature\n require(\n isValidSignature(\n transactionHash,\n signerAddress,\n signature\n ),\n \"INVALID_TX_SIGNATURE\"\n );\n\n // Set the current transaction signer\n currentContextAddress = signerAddress;\n }\n\n // Execute transaction\n transactions[transactionHash] = true;\n require(\n address(this).delegatecall(data),\n \"FAILED_EXECUTION\"\n );\n\n // Reset current transaction signer if it was previously updated\n if (signerAddress != msg.sender) {\n currentContextAddress = address(0);\n }\n }\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;\n bytes32 dataHash = keccak256(data);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,\n // salt,\n // bytes32(signerAddress),\n // keccak256(data)\n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, schemaHash) // hash of schema\n mstore(add(memPtr, 32), salt) // salt\n mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff)) // signerAddress\n mstore(add(memPtr, 96), dataHash) // hash of data\n\n // Compute hash\n result := keccak256(memPtr, 128)\n }\n return result;\n }\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address)\n {\n address currentContextAddress_ = currentContextAddress;\n address contextAddress = currentContextAddress_ == address(0) ? msg.sender : currentContextAddress_;\n return contextAddress;\n }\n}\n", - "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibAbiEncoder.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MWrapperFunctions.sol\";\n\n\ncontract MixinWrapperFunctions is\n ReentrancyGuard,\n LibMath,\n LibFillResults,\n LibAbiEncoder,\n MExchangeCore,\n MWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrKillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n // Delegate to `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := delegatecall(\n gas, // forward all gas\n address, // call address of this contract\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrKillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n \n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public\n nonReentrant\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n cancelOrderInternal(orders[i]);\n }\n }\n\n /// @dev Fetches information for all passed in orders.\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n LibOrder.OrderInfo[] memory ordersInfo = new LibOrder.OrderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n ordersInfo[i] = getOrderInfo(orders[i]);\n }\n return ordersInfo;\n }\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n require(\n fillResults.takerAssetFilledAmount == takerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return fillResults;\n }\n}\n", - "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssetProxyDispatcher {\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external;\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IExchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./IExchangeCore.sol\";\nimport \"./IMatchOrders.sol\";\nimport \"./ISignatureValidator.sol\";\nimport \"./ITransactions.sol\";\nimport \"./IAssetProxyDispatcher.sol\";\nimport \"./IWrapperFunctions.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract IExchange is\n IExchangeCore,\n IMatchOrders,\n ISignatureValidator,\n ITransactions,\n IAssetProxyDispatcher,\n IWrapperFunctions\n{}\n", - "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IExchangeCore {\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external;\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrder(LibOrder.Order memory order)\n public;\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(LibOrder.Order memory order)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IMatchOrders {\n\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n}\n", - "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ISignatureValidator {\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external;\n \n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external;\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address of signer.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\n\ncontract ITransactions {\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external;\n}\n", - "2.0.0/protocol/Exchange/interfaces/IValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IValidator {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IWallet {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IWrapperFunctions {\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public;\n\n /// @dev Fetches information for all passed in orders\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory);\n}\n", - "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./LibOrder.sol\";\n\n\ncontract LibAbiEncoder {\n\n /// @dev ABI encodes calldata for `fillOrder`.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return ABI encoded calldata for `fillOrder`.\n function abiEncodeFillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n pure\n returns (bytes memory fillOrderCalldata)\n {\n // We need to call MExchangeCore.fillOrder using a delegatecall in\n // assembly so that we can intercept a call that throws. For this, we\n // need the input encoded in memory in the Ethereum ABIv2 format [1].\n\n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0x00 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 0x00 | | 1. offset to order (*) |\n // | | 0x20 | | 2. takerAssetFillAmount |\n // | | 0x40 | | 3. offset to signature (*) |\n // | Data | | 12 * 32 | order: |\n // | | 0x000 | | 1. senderAddress |\n // | | 0x020 | | 2. makerAddress |\n // | | 0x040 | | 3. takerAddress |\n // | | 0x060 | | 4. feeRecipientAddress |\n // | | 0x080 | | 5. makerAssetAmount |\n // | | 0x0A0 | | 6. takerAssetAmount |\n // | | 0x0C0 | | 7. makerFeeAmount |\n // | | 0x0E0 | | 8. takerFeeAmount |\n // | | 0x100 | | 9. expirationTimeSeconds |\n // | | 0x120 | | 10. salt |\n // | | 0x140 | | 11. Offset to makerAssetData (*) |\n // | | 0x160 | | 12. Offset to takerAssetData (*) |\n // | | 0x180 | 32 | makerAssetData Length |\n // | | 0x1A0 | ** | makerAssetData Contents |\n // | | 0x1C0 | 32 | takerAssetData Length |\n // | | 0x1E0 | ** | takerAssetData Contents |\n // | | 0x200 | 32 | signature Length |\n // | | 0x220 | ** | signature Contents |\n\n // * Offsets are calculated from the beginning of the current area: Header, Params, Data:\n // An offset stored in the Params area is calculated from the beginning of the Params section.\n // An offset stored in the Data area is calculated from the beginning of the Data section.\n\n // ** The length of dynamic array contents are stored in the field immediately preceeding the contents.\n\n // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html\n\n assembly {\n\n // Areas below may use the following variables:\n // 1. Start -- Start of this area in memory\n // 2. End -- End of this area in memory. This value may\n // be precomputed (before writing contents),\n // or it may be computed as contents are written.\n // 3. Offset -- Current offset into area. If an area's End\n // is precomputed, this variable tracks the\n // offsets of contents as they are written.\n\n /////// Setup Header Area ///////\n // Load free memory pointer\n fillOrderCalldata := mload(0x40)\n // bytes4(keccak256(\"fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)\"))\n // = 0xb4be83d5\n // Leave 0x20 bytes to store the length\n mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000)\n let headerAreaEnd := add(fillOrderCalldata, 0x24)\n\n /////// Setup Params Area ///////\n // This area is preallocated and written to later.\n // This is because we need to fill in offsets that have not yet been calculated.\n let paramsAreaStart := headerAreaEnd\n let paramsAreaEnd := add(paramsAreaStart, 0x60)\n let paramsAreaOffset := paramsAreaStart\n\n /////// Setup Data Area ///////\n let dataAreaStart := paramsAreaEnd\n let dataAreaEnd := dataAreaStart\n\n // Offset from the source data we're reading from\n let sourceOffset := order\n // arrayLenBytes and arrayLenWords track the length of a dynamically-allocated bytes array.\n let arrayLenBytes := 0\n let arrayLenWords := 0\n\n /////// Write order Struct ///////\n // Write memory location of Order, relative to the start of the\n // parameter list, then increment the paramsAreaOffset respectively.\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n // Write values for each field in the order\n // It would be nice to use a loop, but we save on gas by writing\n // the stores sequentially.\n mstore(dataAreaEnd, mload(sourceOffset)) // makerAddress\n mstore(add(dataAreaEnd, 0x20), mload(add(sourceOffset, 0x20))) // takerAddress\n mstore(add(dataAreaEnd, 0x40), mload(add(sourceOffset, 0x40))) // feeRecipientAddress\n mstore(add(dataAreaEnd, 0x60), mload(add(sourceOffset, 0x60))) // senderAddress\n mstore(add(dataAreaEnd, 0x80), mload(add(sourceOffset, 0x80))) // makerAssetAmount\n mstore(add(dataAreaEnd, 0xA0), mload(add(sourceOffset, 0xA0))) // takerAssetAmount\n mstore(add(dataAreaEnd, 0xC0), mload(add(sourceOffset, 0xC0))) // makerFeeAmount\n mstore(add(dataAreaEnd, 0xE0), mload(add(sourceOffset, 0xE0))) // takerFeeAmount\n mstore(add(dataAreaEnd, 0x100), mload(add(sourceOffset, 0x100))) // expirationTimeSeconds\n mstore(add(dataAreaEnd, 0x120), mload(add(sourceOffset, 0x120))) // salt\n mstore(add(dataAreaEnd, 0x140), mload(add(sourceOffset, 0x140))) // Offset to makerAssetData\n mstore(add(dataAreaEnd, 0x160), mload(add(sourceOffset, 0x160))) // Offset to takerAssetData\n dataAreaEnd := add(dataAreaEnd, 0x180)\n sourceOffset := add(sourceOffset, 0x180)\n\n // Write offset to \n mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x140)) // makerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Write offset to \n mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x160)) // takerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n /////// Write takerAssetFillAmount ///////\n mstore(paramsAreaOffset, takerAssetFillAmount)\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n /////// Write signature ///////\n // Write offset to paramsArea\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n\n // Calculate length of signature\n sourceOffset := signature\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of signature\n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of signature\n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Set length of calldata\n mstore(fillOrderCalldata, sub(dataAreaEnd, add(fillOrderCalldata, 0x20)))\n\n // Increment free memory pointer\n mstore(0x40, dataAreaEnd)\n }\n\n return fillOrderCalldata;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\n// solhint-disable max-line-length\ncontract LibConstants {\n \n // Asset data for ZRX token. Used for fee transfers.\n // @TODO: Hardcode constant when we deploy. Currently \n // not constant to make testing easier.\n\n // The proxyId for ZRX_ASSET_DATA is bytes4(keccak256(\"ERC20Token(address)\")) = 0xf47261b0\n \n // Kovan ZRX address is 0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570.\n // The ABI encoded proxyId and address is 0xf47261b00000000000000000000000006ff6c0ff1d68b964901f986d4c9fa3ac68346570\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x6f\\xf6\\xc0\\xff\\x1d\\x68\\xb9\\x64\\x90\\x1f\\x98\\x6d\\x4c\\x9f\\xa3\\xac\\x68\\x34\\x65\\x70\";\n \n // Mainnet ZRX address is 0xe41d2489571d322189246dafa5ebde1f4699f498.\n // The ABI encoded proxyId and address is 0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xe4\\x1d\\x24\\x89\\x57\\x1d\\x32\\x21\\x89\\x24\\x6d\\xaf\\xa5\\xeb\\xde\\x1f\\x46\\x99\\xf4\\x98\";\n \n // solhint-disable-next-line var-name-mixedcase\n bytes public ZRX_ASSET_DATA;\n\n // @TODO: Remove when we deploy.\n constructor (bytes memory zrxAssetData)\n public\n {\n ZRX_ASSET_DATA = zrxAssetData;\n }\n}\n// solhint-enable max-line-length\n", - "2.0.0/protocol/Exchange/libs/LibEIP712.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract LibEIP712 {\n\n // EIP191 header for EIP712 prefix\n string constant internal EIP191_HEADER = \"\\x19\\x01\";\n\n // EIP712 Domain Name value\n string constant internal EIP712_DOMAIN_NAME = \"0x Protocol\";\n\n // EIP712 Domain Version value\n string constant internal EIP712_DOMAIN_VERSION = \"2\";\n\n // Hash of the EIP712 Domain Separator Schema\n bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"EIP712Domain(\",\n \"string name,\",\n \"string version,\",\n \"address verifyingContract\",\n \")\"\n ));\n\n // Hash of the EIP712 Domain Separator data\n // solhint-disable-next-line var-name-mixedcase\n bytes32 public EIP712_DOMAIN_HASH;\n\n constructor ()\n public\n {\n EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(\n EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,\n keccak256(bytes(EIP712_DOMAIN_NAME)),\n keccak256(bytes(EIP712_DOMAIN_VERSION)),\n bytes32(address(this))\n ));\n }\n\n /// @dev Calculates EIP712 encoding for a hash struct in this EIP712 Domain.\n /// @param hashStruct The EIP712 hash struct.\n /// @return EIP712 hash applied to this EIP712 Domain.\n function hashEIP712Message(bytes32 hashStruct)\n internal\n view\n returns (bytes32 result)\n {\n bytes32 eip712DomainHash = EIP712_DOMAIN_HASH;\n\n // Assembly for more efficient computing:\n // keccak256(abi.encodePacked(\n // EIP191_HEADER,\n // EIP712_DOMAIN_HASH,\n // hashStruct \n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, 0x1901000000000000000000000000000000000000000000000000000000000000) // EIP191 header\n mstore(add(memPtr, 2), eip712DomainHash) // EIP712 domain hash\n mstore(add(memPtr, 34), hashStruct) // Hash of struct\n\n // Compute hash\n result := keccak256(memPtr, 66)\n }\n return result;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity 0.4.24;\n\n\n/// @dev This contract documents the revert reasons used in the Exchange contract.\n/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons.\ncontract LibExchangeErrors {\n\n /// Order validation errors ///\n string constant ORDER_UNFILLABLE = \"ORDER_UNFILLABLE\"; // Order cannot be filled.\n string constant INVALID_MAKER = \"INVALID_MAKER\"; // Invalid makerAddress.\n string constant INVALID_TAKER = \"INVALID_TAKER\"; // Invalid takerAddress.\n string constant INVALID_SENDER = \"INVALID_SENDER\"; // Invalid `msg.sender`.\n string constant INVALID_ORDER_SIGNATURE = \"INVALID_ORDER_SIGNATURE\"; // Signature validation failed. \n \n /// fillOrder validation errors ///\n string constant INVALID_TAKER_AMOUNT = \"INVALID_TAKER_AMOUNT\"; // takerAssetFillAmount cannot equal 0.\n string constant ROUNDING_ERROR = \"ROUNDING_ERROR\"; // Rounding error greater than 0.1% of takerAssetFillAmount. \n \n /// Signature validation errors ///\n string constant INVALID_SIGNATURE = \"INVALID_SIGNATURE\"; // Signature validation failed. \n string constant SIGNATURE_ILLEGAL = \"SIGNATURE_ILLEGAL\"; // Signature type is illegal.\n string constant SIGNATURE_UNSUPPORTED = \"SIGNATURE_UNSUPPORTED\"; // Signature type unsupported.\n \n /// cancelOrdersUptTo errors ///\n string constant INVALID_NEW_ORDER_EPOCH = \"INVALID_NEW_ORDER_EPOCH\"; // Specified salt must be greater than or equal to existing orderEpoch.\n\n /// fillOrKillOrder errors ///\n string constant COMPLETE_FILL_FAILED = \"COMPLETE_FILL_FAILED\"; // Desired takerAssetFillAmount could not be completely filled. \n\n /// matchOrders errors ///\n string constant NEGATIVE_SPREAD_REQUIRED = \"NEGATIVE_SPREAD_REQUIRED\"; // Matched orders must have a negative spread.\n\n /// Transaction errors ///\n string constant REENTRANCY_ILLEGAL = \"REENTRANCY_ILLEGAL\"; // Recursive reentrancy is not allowed. \n string constant INVALID_TX_HASH = \"INVALID_TX_HASH\"; // Transaction has already been executed. \n string constant INVALID_TX_SIGNATURE = \"INVALID_TX_SIGNATURE\"; // Signature validation failed. \n string constant FAILED_EXECUTION = \"FAILED_EXECUTION\"; // Transaction execution failed. \n \n /// registerAssetProxy errors ///\n string constant ASSET_PROXY_ALREADY_EXISTS = \"ASSET_PROXY_ALREADY_EXISTS\"; // AssetProxy with same id already exists.\n\n /// dispatchTransferFrom errors ///\n string constant ASSET_PROXY_DOES_NOT_EXIST = \"ASSET_PROXY_DOES_NOT_EXIST\"; // No assetProxy registered at given id.\n string constant TRANSFER_FAILED = \"TRANSFER_FAILED\"; // Asset transfer unsuccesful.\n\n /// Length validation errors ///\n string constant LENGTH_GREATER_THAN_0_REQUIRED = \"LENGTH_GREATER_THAN_0_REQUIRED\"; // Byte array must have a length greater than 0.\n string constant LENGTH_GREATER_THAN_3_REQUIRED = \"LENGTH_GREATER_THAN_3_REQUIRED\"; // Byte array must have a length greater than 3.\n string constant LENGTH_0_REQUIRED = \"LENGTH_0_REQUIRED\"; // Byte array must have a length of 0.\n string constant LENGTH_65_REQUIRED = \"LENGTH_65_REQUIRED\"; // Byte array must have a length of 65.\n}\n", - "2.0.0/protocol/Exchange/libs/LibFillResults.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibFillResults is\n SafeMath\n{\n struct FillResults {\n uint256 makerAssetFilledAmount; // Total amount of makerAsset(s) filled.\n uint256 takerAssetFilledAmount; // Total amount of takerAsset(s) filled.\n uint256 makerFeePaid; // Total amount of ZRX paid by maker(s) to feeRecipient(s).\n uint256 takerFeePaid; // Total amount of ZRX paid by taker to feeRecipients(s).\n }\n\n struct MatchedFillResults {\n FillResults left; // Amounts filled and fees paid of left order.\n FillResults right; // Amounts filled and fees paid of right order.\n uint256 leftMakerAssetSpreadAmount; // Spread between price of left and right order, denominated in the left order's makerAsset, paid to taker.\n }\n\n /// @dev Adds properties of both FillResults instances.\n /// Modifies the first FillResults instance specified.\n /// @param totalFillResults Fill results instance that will be added onto.\n /// @param singleFillResults Fill results instance that will be added to totalFillResults.\n function addFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)\n internal\n pure\n {\n totalFillResults.makerAssetFilledAmount = safeAdd(totalFillResults.makerAssetFilledAmount, singleFillResults.makerAssetFilledAmount);\n totalFillResults.takerAssetFilledAmount = safeAdd(totalFillResults.takerAssetFilledAmount, singleFillResults.takerAssetFilledAmount);\n totalFillResults.makerFeePaid = safeAdd(totalFillResults.makerFeePaid, singleFillResults.makerFeePaid);\n totalFillResults.takerFeePaid = safeAdd(totalFillResults.takerFeePaid, singleFillResults.takerFeePaid);\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibMath.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibMath is\n SafeMath\n{\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function safeGetPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorFloor(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function safeGetPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorCeil(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function getPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function getPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // The absolute rounding error is the difference between the rounded\n // value and the ideal value. The relative rounding error is the\n // absolute rounding error divided by the absolute value of the\n // ideal value. This is undefined when the ideal value is zero.\n //\n // The ideal value is `numerator * target / denominator`.\n // Let's call `numerator * target % denominator` the remainder.\n // The absolute error is `remainder / denominator`.\n //\n // When the ideal value is zero, we require the absolute error to\n // be zero. Fortunately, this is always the case. The ideal value is\n // zero iff `numerator == 0` and/or `target == 0`. In this case the\n // remainder and absolute error are also zero. \n if (target == 0 || numerator == 0) {\n return false;\n }\n \n // Otherwise, we want the relative rounding error to be strictly\n // less than 0.1%.\n // The relative error is `remainder / (numerator * target)`.\n // We want the relative error less than 1 / 1000:\n // remainder / (numerator * denominator) < 1 / 1000\n // or equivalently:\n // 1000 * remainder < numerator * target\n // so we have a rounding error iff:\n // 1000 * remainder >= numerator * target\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding up.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // See the comments in `isRoundingError`.\n if (target == 0 || numerator == 0) {\n // When either is zero, the ideal value and rounded value are zero\n // and there is no rounding error. (Although the relative error\n // is undefined.)\n return false;\n }\n // Compute remainder as before\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n remainder = safeSub(denominator, remainder) % denominator;\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibOrder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./LibEIP712.sol\";\n\n\ncontract LibOrder is\n LibEIP712\n{\n // Hash for the EIP712 Order Schema\n bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"Order(\",\n \"address makerAddress,\",\n \"address takerAddress,\",\n \"address feeRecipientAddress,\",\n \"address senderAddress,\",\n \"uint256 makerAssetAmount,\",\n \"uint256 takerAssetAmount,\",\n \"uint256 makerFee,\",\n \"uint256 takerFee,\",\n \"uint256 expirationTimeSeconds,\",\n \"uint256 salt,\",\n \"bytes makerAssetData,\",\n \"bytes takerAssetData\",\n \")\"\n ));\n\n // A valid order remains fillable until it is expired, fully filled, or cancelled.\n // An order's state is unaffected by external factors, like account balances.\n enum OrderStatus {\n INVALID, // Default value\n INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount\n INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount\n FILLABLE, // Order is fillable\n EXPIRED, // Order has already expired\n FULLY_FILLED, // Order is fully filled\n CANCELLED // Order has been cancelled\n }\n\n // solhint-disable max-line-length\n struct Order {\n address makerAddress; // Address that created the order. \n address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order. \n address feeRecipientAddress; // Address that will recieve fees when order is filled. \n address senderAddress; // Address that is allowed to call Exchange contract methods that affect this order. If set to 0, any address is allowed to call these methods.\n uint256 makerAssetAmount; // Amount of makerAsset being offered by maker. Must be greater than 0. \n uint256 takerAssetAmount; // Amount of takerAsset being bid on by maker. Must be greater than 0. \n uint256 makerFee; // Amount of ZRX paid to feeRecipient by maker when order is filled. If set to 0, no transfer of ZRX from maker to feeRecipient will be attempted.\n uint256 takerFee; // Amount of ZRX paid to feeRecipient by taker when order is filled. If set to 0, no transfer of ZRX from taker to feeRecipient will be attempted.\n uint256 expirationTimeSeconds; // Timestamp in seconds at which order expires. \n uint256 salt; // Arbitrary number to facilitate uniqueness of the order's hash. \n bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.\n bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.\n }\n // solhint-enable max-line-length\n\n struct OrderInfo {\n uint8 orderStatus; // Status that describes order's validity and fillability.\n bytes32 orderHash; // EIP712 hash of the order (see LibOrder.getOrderHash).\n uint256 orderTakerAssetFilledAmount; // Amount of order that has already been filled.\n }\n\n /// @dev Calculates Keccak-256 hash of the order.\n /// @param order The order structure.\n /// @return Keccak-256 EIP712 hash of the order.\n function getOrderHash(Order memory order)\n internal\n view\n returns (bytes32 orderHash)\n {\n orderHash = hashEIP712Message(hashOrder(order));\n return orderHash;\n }\n\n /// @dev Calculates EIP712 hash of the order.\n /// @param order The order structure.\n /// @return EIP712 hash of the order.\n function hashOrder(Order memory order)\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ORDER_SCHEMA_HASH;\n bytes32 makerAssetDataHash = keccak256(order.makerAssetData);\n bytes32 takerAssetDataHash = keccak256(order.takerAssetData);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ORDER_SCHEMA_HASH,\n // bytes32(order.makerAddress),\n // bytes32(order.takerAddress),\n // bytes32(order.feeRecipientAddress),\n // bytes32(order.senderAddress),\n // order.makerAssetAmount,\n // order.takerAssetAmount,\n // order.makerFee,\n // order.takerFee,\n // order.expirationTimeSeconds,\n // order.salt,\n // keccak256(order.makerAssetData),\n // keccak256(order.takerAssetData)\n // ));\n\n assembly {\n // Calculate memory addresses that will be swapped out before hashing\n let pos1 := sub(order, 32)\n let pos2 := add(order, 320)\n let pos3 := add(order, 352)\n\n // Backup\n let temp1 := mload(pos1)\n let temp2 := mload(pos2)\n let temp3 := mload(pos3)\n \n // Hash in place\n mstore(pos1, schemaHash)\n mstore(pos2, makerAssetDataHash)\n mstore(pos3, takerAssetDataHash)\n result := keccak256(pos1, 416)\n \n // Restore\n mstore(pos1, temp1)\n mstore(pos2, temp2)\n mstore(pos3, temp3)\n }\n return result;\n }\n}\n", - "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssetProxyDispatcher.sol\";\n\n\ncontract MAssetProxyDispatcher is\n IAssetProxyDispatcher\n{\n // Logs registration of new asset proxy\n event AssetProxyRegistered(\n bytes4 id, // Id of new registered AssetProxy.\n address assetProxy // Address of new registered AssetProxy.\n );\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal;\n}\n", - "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IExchangeCore.sol\";\n\n\ncontract MExchangeCore is\n IExchangeCore\n{\n // Fill event is emitted whenever an order is filled.\n event Fill(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that received fees.\n address takerAddress, // Address that filled the order.\n address senderAddress, // Address that called the Exchange contract (msg.sender).\n uint256 makerAssetFilledAmount, // Amount of makerAsset sold by maker and bought by taker. \n uint256 takerAssetFilledAmount, // Amount of takerAsset sold by taker and bought by maker.\n uint256 makerFeePaid, // Amount of ZRX paid to feeRecipient by maker.\n uint256 takerFeePaid, // Amount of ZRX paid to feeRecipient by taker.\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // Cancel event is emitted whenever an individual order is cancelled.\n event Cancel(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that would have recieved fees if order was filled. \n address senderAddress, // Address that called the Exchange contract (msg.sender).\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // CancelUpTo event is emitted whenever `cancelOrdersUpTo` is executed succesfully.\n event CancelUpTo(\n address indexed makerAddress, // Orders cancelled must have been created by this address.\n address indexed senderAddress, // Orders cancelled must have a `senderAddress` equal to this address.\n uint256 orderEpoch // Orders with specified makerAddress and senderAddress with a salt less than this value are considered cancelled.\n );\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrderInternal(LibOrder.Order memory order)\n internal;\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function updateFilledState(\n LibOrder.Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n LibFillResults.FillResults memory fillResults\n )\n internal;\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n LibOrder.Order memory order,\n bytes32 orderHash\n )\n internal;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo Status, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view;\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo\n )\n internal\n view;\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n LibOrder.Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.FillResults memory fillResults);\n\n}\n", - "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IMatchOrders.sol\";\n\n\ncontract MMatchOrders is\n IMatchOrders\n{\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure;\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n\n}\n", - "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/ISignatureValidator.sol\";\n\n\ncontract MSignatureValidator is\n ISignatureValidator\n{\n event SignatureValidatorApproval(\n address indexed signerAddress, // Address that approves or disapproves a contract to verify signatures.\n address indexed validatorAddress, // Address of signature validator contract.\n bool approved // Approval or disapproval of validator contract.\n );\n\n // Allowed signature types.\n enum SignatureType {\n Illegal, // 0x00, default value\n Invalid, // 0x01\n EIP712, // 0x02\n EthSign, // 0x03\n Wallet, // 0x04\n Validator, // 0x05\n PreSigned, // 0x06\n NSignatureTypes // 0x07, number of signature types. Always leave at end.\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/mixins/MTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"../interfaces/ITransactions.sol\";\n\n\ncontract MTransactions is\n ITransactions\n{\n // Hash for the EIP712 ZeroEx Transaction Schema\n bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"ZeroExTransaction(\",\n \"uint256 salt,\",\n \"address signerAddress,\",\n \"bytes data\",\n \")\"\n ));\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result);\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address);\n}\n", - "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IWrapperFunctions.sol\";\n\n\ncontract MWrapperFunctions is \n IWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n}\n", - "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/MintableERC20Token.sol\";\n\n\ncontract DummyERC20Token is \n Ownable,\n MintableERC20Token\n{\n string public name;\n string public symbol;\n uint256 public decimals;\n uint256 public constant MAX_MINT_AMOUNT = 10000000000000000000000;\n\n constructor (\n string _name,\n string _symbol,\n uint256 _decimals,\n uint256 _totalSupply\n )\n public\n {\n name = _name;\n symbol = _symbol;\n decimals = _decimals;\n _totalSupply = _totalSupply;\n balances[msg.sender] = _totalSupply;\n }\n\n /// @dev Sets the balance of target address\n /// @param _target Address or which balance will be updated\n /// @param _value New balance of target address\n function setBalance(address _target, uint256 _value)\n external\n onlyOwner\n {\n uint256 currBalance = balances[_target];\n if (_value < currBalance) {\n _totalSupply = safeSub(_totalSupply, safeSub(currBalance, _value));\n } else {\n _totalSupply = safeAdd(_totalSupply, safeSub(_value, currBalance));\n }\n balances[_target] = _value;\n }\n\n /// @dev Mints new tokens for sender\n /// @param _value Amount of tokens to mint\n function mint(uint256 _value)\n external\n {\n require(\n _value <= MAX_MINT_AMOUNT,\n \"VALUE_TOO_LARGE\"\n );\n\n _mint(msg.sender, _value);\n }\n}\n", - "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../tokens/ERC721Token/MintableERC721Token.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract DummyERC721Token is\n Ownable,\n MintableERC721Token\n{\n string public name;\n string public symbol;\n\n constructor (\n string _name,\n string _symbol\n )\n public\n {\n name = _name;\n symbol = _symbol;\n }\n\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function mint(address _to, uint256 _tokenId)\n external\n {\n _mint(_to, _tokenId);\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist or not called by contract owner\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function burn(address _owner, uint256 _tokenId)\n external\n onlyOwner\n {\n _burn(_owner, _tokenId);\n }\n}\n", - "2.0.0/tokens/ERC20Token/ERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC20Token.sol\";\n\n\ncontract ERC20Token is\n IERC20Token\n{\n mapping (address => uint256) internal balances;\n mapping (address => mapping (address => uint256)) internal allowed;\n\n uint256 internal _totalSupply;\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool)\n {\n require(\n balances[msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[msg.sender] -= _value;\n balances[_to] += _value;\n\n emit Transfer(\n msg.sender,\n _to,\n _value\n );\n\n return true;\n }\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowed[_from][msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n allowed[_from][msg.sender] -= _value;\n \n emit Transfer(\n _from,\n _to,\n _value\n );\n \n return true;\n }\n\n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool)\n {\n allowed[msg.sender][_spender] = _value;\n emit Approval(\n msg.sender,\n _spender,\n _value\n );\n return true;\n }\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256)\n {\n return _totalSupply;\n }\n\n /// @dev Query the balance of owner\n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n return balances[_owner];\n }\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256)\n {\n return allowed[_owner][_spender];\n }\n}\n", - "2.0.0/tokens/ERC20Token/IERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n \n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n \n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", - "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/SafeMath/SafeMath.sol\";\nimport \"./UnlimitedAllowanceERC20Token.sol\";\n\n\ncontract MintableERC20Token is \n SafeMath,\n UnlimitedAllowanceERC20Token\n{\n /// @dev Mints new tokens\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _value Amount of tokens to mint\n function _mint(address _to, uint256 _value)\n internal\n {\n balances[_to] = safeAdd(_value, balances[_to]);\n _totalSupply = safeAdd(_totalSupply, _value);\n\n emit Transfer(\n address(0),\n _to,\n _value\n );\n }\n\n /// @dev Mints new tokens\n /// @param _owner Owner of tokens that will be burned\n /// @param _value Amount of tokens to burn\n function _burn(address _owner, uint256 _value)\n internal\n {\n balances[_owner] = safeSub(balances[_owner], _value);\n _totalSupply = safeSub(_totalSupply, _value);\n\n emit Transfer(\n _owner,\n address(0),\n _value\n );\n }\n}\n", - "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/ERC20Token.sol\";\n\n\ncontract UnlimitedAllowanceERC20Token is\n ERC20Token\n{\n uint256 constant internal MAX_UINT = 2**256 - 1;\n\n /// @dev ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited allowance. See https://github.com/ethereum/EIPs/issues/717\n /// @param _from Address to transfer from.\n /// @param _to Address to transfer to.\n /// @param _value Amount to transfer.\n /// @return Success of transfer.\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n uint256 allowance = allowed[_from][msg.sender];\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowance >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n if (allowance < MAX_UINT) {\n allowed[_from][msg.sender] -= _value;\n }\n\n emit Transfer(\n _from,\n _to,\n _value\n );\n\n return true;\n }\n}\n", - "2.0.0/tokens/ERC721Token/ERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC721Token.sol\";\nimport \"./IERC721Receiver.sol\";\nimport \"../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract ERC721Token is\n IERC721Token,\n SafeMath\n{\n // Function selector for ERC721Receiver.onERC721Received\n // 0x150b7a02\n bytes4 constant internal ERC721_RECEIVED = bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"));\n\n // Mapping of tokenId => owner\n mapping (uint256 => address) internal owners;\n\n // Mapping of tokenId => approved address\n mapping (uint256 => address) internal approvals;\n\n // Mapping of owner => number of tokens owned\n mapping (address => uint256) internal balances;\n\n // Mapping of owner => operator => approved\n mapping (address => mapping (address => bool)) internal operatorApprovals;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n _data\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n \"\"\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external\n {\n address owner = ownerOf(_tokenId);\n require(\n msg.sender == owner || isApprovedForAll(owner, msg.sender),\n \"ERC721_INVALID_SENDER\"\n );\n\n approvals[_tokenId] = _approved;\n emit Approval(\n owner,\n _approved,\n _tokenId\n );\n }\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external\n {\n operatorApprovals[msg.sender][_operator] = _approved;\n emit ApprovalForAll(\n msg.sender,\n _operator,\n _approved\n );\n }\n \n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return balances[_owner];\n }\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = ownerOf(_tokenId);\n require(\n _from == owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n address spender = msg.sender;\n address approvedAddress = getApproved(_tokenId);\n require(\n spender == owner ||\n isApprovedForAll(owner, spender) ||\n approvedAddress == spender,\n \"ERC721_INVALID_SPENDER\"\n );\n\n if (approvedAddress != address(0)) {\n approvals[_tokenId] = address(0);\n }\n\n owners[_tokenId] = _to;\n balances[_from] = safeSub(balances[_from], 1);\n balances[_to] = safeAdd(balances[_to], 1);\n \n emit Transfer(\n _from,\n _to,\n _tokenId\n );\n }\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address)\n {\n address owner = owners[_tokenId];\n require(\n owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return owner;\n }\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId)\n public\n view\n returns (address)\n {\n return approvals[_tokenId];\n }\n\n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool)\n {\n return operatorApprovals[_owner][_operator];\n }\n}\n", - "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Receiver {\n\n /// @notice Handle the receipt of an NFT\n /// @dev The ERC721 smart contract calls this function on the recipient\n /// after a `transfer`. This function MAY throw to revert and reject the\n /// transfer. Return of other than the magic value MUST result in the\n /// transaction being reverted.\n /// Note: the contract address is always the message sender.\n /// @param _operator The address which called `safeTransferFrom` function\n /// @param _from The address which previously owned the token\n /// @param _tokenId The NFT identifier which is being transferred\n /// @param _data Additional data with no specified format\n /// @return `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`\n /// unless throwing\n function onERC721Received(\n address _operator,\n address _from,\n uint256 _tokenId,\n bytes _data\n )\n external\n returns (bytes4);\n}\n", - "2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Token {\n\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(\n address indexed _owner,\n address indexed _approved,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(\n address indexed _owner,\n address indexed _operator,\n bool _approved\n );\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// perator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external;\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public;\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address);\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) \n public\n view\n returns (address);\n \n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool);\n}\n", - "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./ERC721Token.sol\";\n\n\ncontract MintableERC721Token is\n ERC721Token\n{\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function _mint(address _to, uint256 _tokenId)\n internal\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == address(0),\n \"ERC721_OWNER_ALREADY_EXISTS\"\n );\n\n owners[_tokenId] = _to;\n balances[_to] = safeAdd(balances[_to], 1);\n\n emit Transfer(\n address(0),\n _to,\n _tokenId\n );\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function _burn(address _owner, uint256 _tokenId)\n internal\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == _owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n owners[_tokenId] = address(0);\n balances[_owner] = safeSub(balances[_owner], 1);\n\n emit Transfer(\n _owner,\n address(0),\n _tokenId\n );\n }\n}\n", - "2.0.0/tokens/EtherToken/IEtherToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/IERC20Token.sol\";\n\n\ncontract IEtherToken is\n IERC20Token\n{\n function deposit()\n public\n payable;\n \n function withdraw(uint256 amount)\n public;\n}\n", - "2.0.0/utils/LibBytes/LibBytes.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\nlibrary LibBytes {\n\n using LibBytes for bytes;\n\n /// @dev Gets the memory address for a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of byte array. This\n /// points to the header of the byte array which contains\n /// the length.\n function rawAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := input\n }\n return memoryAddress;\n }\n \n /// @dev Gets the memory address for the contents of a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of the contents of the byte array.\n function contentAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := add(input, 32)\n }\n return memoryAddress;\n }\n\n /// @dev Copies `length` bytes from memory location `source` to `dest`.\n /// @param dest memory address to copy bytes to.\n /// @param source memory address to copy bytes from.\n /// @param length number of bytes to copy.\n function memCopy(\n uint256 dest,\n uint256 source,\n uint256 length\n )\n internal\n pure\n {\n if (length < 32) {\n // Handle a partial word by reading destination and masking\n // off the bits we are interested in.\n // This correctly handles overlap, zero lengths and source == dest\n assembly {\n let mask := sub(exp(256, sub(32, length)), 1)\n let s := and(mload(source), not(mask))\n let d := and(mload(dest), mask)\n mstore(dest, or(s, d))\n }\n } else {\n // Skip the O(length) loop when source == dest.\n if (source == dest) {\n return;\n }\n\n // For large copies we copy whole words at a time. The final\n // word is aligned to the end of the range (instead of after the\n // previous) to handle partial words. So a copy will look like this:\n //\n // ####\n // ####\n // ####\n // ####\n //\n // We handle overlap in the source and destination range by\n // changing the copying direction. This prevents us from\n // overwriting parts of source that we still need to copy.\n //\n // This correctly handles source == dest\n //\n if (source > dest) {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because it\n // is easier to compare with in the loop, and these\n // are also the addresses we need for copying the\n // last bytes.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the last 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the last bytes in\n // source already due to overlap.\n let last := mload(sEnd)\n\n // Copy whole words front to back\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} lt(source, sEnd) {} {\n mstore(dest, mload(source))\n source := add(source, 32)\n dest := add(dest, 32)\n }\n \n // Write the last 32 bytes\n mstore(dEnd, last)\n }\n } else {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because those\n // are the starting points when copying a word at the end.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the first 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the first bytes in\n // source already due to overlap.\n let first := mload(source)\n\n // Copy whole words back to front\n // We use a signed comparisson here to allow dEnd to become\n // negative (happens when source and dest < 32). Valid\n // addresses in local memory will never be larger than\n // 2**255, so they can be safely re-interpreted as signed.\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} slt(dest, dEnd) {} {\n mstore(dEnd, mload(sEnd))\n sEnd := sub(sEnd, 32)\n dEnd := sub(dEnd, 32)\n }\n \n // Write the first 32 bytes\n mstore(dest, first)\n }\n }\n }\n }\n\n /// @dev Returns a slices from a byte array.\n /// @param b The byte array to take a slice from.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n function slice(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure and copy contents\n result = new bytes(to - from);\n memCopy(\n result.contentAddress(),\n b.contentAddress() + from,\n result.length\n );\n return result;\n }\n \n /// @dev Returns a slice from a byte array without preserving the input.\n /// @param b The byte array to take a slice from. Will be destroyed in the process.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n /// @dev When `from == 0`, the original array will match the slice. In other cases its state will be corrupted.\n function sliceDestructive(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure around [from, to) in-place.\n assembly {\n result := add(b, from)\n mstore(result, sub(to, from))\n }\n return result;\n }\n\n /// @dev Pops the last byte off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The byte that was popped off.\n function popLastByte(bytes memory b)\n internal\n pure\n returns (bytes1 result)\n {\n require(\n b.length > 0,\n \"GREATER_THAN_ZERO_LENGTH_REQUIRED\"\n );\n\n // Store last byte.\n result = b[b.length - 1];\n\n assembly {\n // Decrement length of byte array.\n let newLen := sub(mload(b), 1)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Pops the last 20 bytes off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The 20 byte address that was popped off.\n function popLast20Bytes(bytes memory b)\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= 20,\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Store last 20 bytes.\n result = readAddress(b, b.length - 20);\n\n assembly {\n // Subtract 20 from byte array length.\n let newLen := sub(mload(b), 20)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Tests equality of two byte arrays.\n /// @param lhs First byte array to compare.\n /// @param rhs Second byte array to compare.\n /// @return True if arrays are the same. False otherwise.\n function equals(\n bytes memory lhs,\n bytes memory rhs\n )\n internal\n pure\n returns (bool equal)\n {\n // Keccak gas cost is 30 + numWords * 6. This is a cheap way to compare.\n // We early exit on unequal lengths, but keccak would also correctly\n // handle this.\n return lhs.length == rhs.length && keccak256(lhs) == keccak256(rhs);\n }\n\n /// @dev Reads an address from a position in a byte array.\n /// @param b Byte array containing an address.\n /// @param index Index in byte array of address.\n /// @return address from byte array.\n function readAddress(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Read address from array memory\n assembly {\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 20-byte mask to obtain address\n result := and(mload(add(b, index)), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n return result;\n }\n\n /// @dev Writes an address into a specific position in a byte array.\n /// @param b Byte array to insert address into.\n /// @param index Index in byte array of address.\n /// @param input Address to put into byte array.\n function writeAddress(\n bytes memory b,\n uint256 index,\n address input\n )\n internal\n pure\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Store address into array memory\n assembly {\n // The address occupies 20 bytes and mstore stores 32 bytes.\n // First fetch the 32-byte word where we'll be storing the address, then\n // apply a mask so we have only the bytes in the word that the address will not occupy.\n // Then combine these bytes with the address and store the 32 bytes back to memory with mstore.\n\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 12-byte mask to obtain extra bytes occupying word of memory where we'll store the address\n let neighbors := and(\n mload(add(b, index)),\n 0xffffffffffffffffffffffff0000000000000000000000000000000000000000\n )\n \n // Make sure input address is clean.\n // (Solidity does not guarantee this)\n input := and(input, 0xffffffffffffffffffffffffffffffffffffffff)\n\n // Store the neighbors and address into memory\n mstore(add(b, index), xor(input, neighbors))\n }\n }\n\n /// @dev Reads a bytes32 value from a position in a byte array.\n /// @param b Byte array containing a bytes32 value.\n /// @param index Index in byte array of bytes32 value.\n /// @return bytes32 value from byte array.\n function readBytes32(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes32 result)\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n result := mload(add(b, index))\n }\n return result;\n }\n\n /// @dev Writes a bytes32 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes32 to put into byte array.\n function writeBytes32(\n bytes memory b,\n uint256 index,\n bytes32 input\n )\n internal\n pure\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n mstore(add(b, index), input)\n }\n }\n\n /// @dev Reads a uint256 value from a position in a byte array.\n /// @param b Byte array containing a uint256 value.\n /// @param index Index in byte array of uint256 value.\n /// @return uint256 value from byte array.\n function readUint256(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (uint256 result)\n {\n result = uint256(readBytes32(b, index));\n return result;\n }\n\n /// @dev Writes a uint256 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input uint256 to put into byte array.\n function writeUint256(\n bytes memory b,\n uint256 index,\n uint256 input\n )\n internal\n pure\n {\n writeBytes32(b, index, bytes32(input));\n }\n\n /// @dev Reads an unpadded bytes4 value from a position in a byte array.\n /// @param b Byte array containing a bytes4 value.\n /// @param index Index in byte array of bytes4 value.\n /// @return bytes4 value from byte array.\n function readBytes4(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes4 result)\n {\n require(\n b.length >= index + 4,\n \"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 32 byte length field\n index += 32;\n\n // Read the bytes4 from array memory\n assembly {\n result := mload(add(b, index))\n // Solidity does not require us to clean the trailing bytes.\n // We do it anyway\n result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)\n }\n return result;\n }\n\n /// @dev Reads nested bytes from a specific position.\n /// @dev NOTE: the returned value overlaps with the input value.\n /// Both should be treated as immutable.\n /// @param b Byte array containing nested bytes.\n /// @param index Index of nested bytes.\n /// @return result Nested bytes.\n function readBytesWithLength(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes memory result)\n {\n // Read length of nested bytes\n uint256 nestedBytesLength = readUint256(b, index);\n index += 32;\n\n // Assert length of is valid, given\n // length of nested bytes\n require(\n b.length >= index + nestedBytesLength,\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n \n // Return a pointer to the byte array as it exists inside `b`\n assembly {\n result := add(b, index)\n }\n return result;\n }\n\n /// @dev Inserts bytes at a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes to insert.\n function writeBytesWithLength(\n bytes memory b,\n uint256 index,\n bytes memory input\n )\n internal\n pure\n {\n // Assert length of is valid, given\n // length of input\n require(\n b.length >= index + 32 + input.length, // 32 bytes to store length\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n\n // Copy into \n memCopy(\n b.contentAddress() + index,\n input.rawAddress(), // includes length of \n input.length + 32 // +32 bytes to store length\n );\n }\n\n /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length.\n /// @param dest Byte array that will be overwritten with source bytes.\n /// @param source Byte array to copy onto dest bytes.\n function deepCopyBytes(\n bytes memory dest,\n bytes memory source\n )\n internal\n pure\n {\n uint256 sourceLen = source.length;\n // Dest length must be >= source length, or some bytes would not be copied.\n require(\n dest.length >= sourceLen,\n \"GREATER_OR_EQUAL_TO_SOURCE_BYTES_LENGTH_REQUIRED\"\n );\n memCopy(\n dest.contentAddress(),\n source.contentAddress(),\n sourceLen\n );\n }\n}\n", - "2.0.0/utils/Ownable/IOwnable.sol": "pragma solidity 0.4.24;\n\n\ncontract IOwnable {\n\n function transferOwnership(address newOwner)\n public;\n}\n", - "2.0.0/utils/Ownable/Ownable.sol": "pragma solidity 0.4.24;\n\nimport \"./IOwnable.sol\";\n\n\ncontract Ownable is\n IOwnable\n{\n address public owner;\n\n constructor ()\n public\n {\n owner = msg.sender;\n }\n\n modifier onlyOwner() {\n require(\n msg.sender == owner,\n \"ONLY_CONTRACT_OWNER\"\n );\n _;\n }\n\n function transferOwnership(address newOwner)\n public\n onlyOwner\n {\n if (newOwner != address(0)) {\n owner = newOwner;\n }\n }\n}\n", - "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ReentrancyGuard {\n\n // Locked state of mutex\n bool private locked = false;\n\n /// @dev Functions with this modifer cannot be reentered. The mutex will be locked\n /// before function execution and unlocked after.\n modifier nonReentrant() {\n // Ensure mutex is unlocked\n require(\n !locked,\n \"REENTRANCY_ILLEGAL\"\n );\n\n // Lock mutex before function call\n locked = true;\n\n // Perform function call\n _;\n\n // Unlock mutex after function call\n locked = false;\n }\n}\n", - "2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n\n function safeMul(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(\n c / a == b,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function safeDiv(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a / b;\n return c;\n }\n\n function safeSub(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n require(\n b <= a,\n \"UINT256_UNDERFLOW\"\n );\n return a - b;\n }\n\n function safeAdd(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a + b;\n require(\n c >= a,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function max64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n\n function max256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n}\n" - }, - "sourceTreeHashHex": "0xee0dcd8415ba0737890f13994332b71d7fbed7c79041929a551c334c497db064", - "compiler": { - "name": "solc", - "version": "soljson-v0.4.24+commit.e67f0147.js", - "settings": { - "optimizer": { - "enabled": true, - "runs": 1000000 - }, - "outputSelection": { - "*": { - "*": [ - "abi", - "evm.bytecode.object", - "evm.bytecode.sourceMap", - "evm.deployedBytecode.object", - "evm.deployedBytecode.sourceMap" - ] - } - } - } - }, - "networks": {} -} \ No newline at end of file diff --git a/packages/migrations/artifacts/2.0.0-beta-testnet/ERC721Proxy.json b/packages/migrations/artifacts/2.0.0-beta-testnet/ERC721Proxy.json deleted file mode 100644 index fa4a7cae9..000000000 --- a/packages/migrations/artifacts/2.0.0-beta-testnet/ERC721Proxy.json +++ /dev/null @@ -1,508 +0,0 @@ -{ - "schemaVersion": "2.0.0", - "contractName": "ERC721Proxy", - "compilerOutput": { - "abi": [ - { - "constant": false, - "inputs": [ - { - "name": "target", - "type": "address" - } - ], - "name": "addAuthorizedAddress", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "", - "type": "uint256" - } - ], - "name": "authorities", - "outputs": [ - { - "name": "", - "type": "address" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "target", - "type": "address" - } - ], - "name": "removeAuthorizedAddress", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": true, - "inputs": [], - "name": "owner", - "outputs": [ - { - "name": "", - "type": "address" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "target", - "type": "address" - }, - { - "name": "index", - "type": "uint256" - } - ], - "name": "removeAuthorizedAddressAtIndex", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": true, - "inputs": [], - "name": "getProxyId", - "outputs": [ - { - "name": "", - "type": "bytes4" - } - ], - "payable": false, - "stateMutability": "pure", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "", - "type": "address" - } - ], - "name": "authorized", - "outputs": [ - { - "name": "", - "type": "bool" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [], - "name": "getAuthorizedAddresses", - "outputs": [ - { - "name": "", - "type": "address[]" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "newOwner", - "type": "address" - } - ], - "name": "transferOwnership", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "payable": false, - "stateMutability": "nonpayable", - "type": "fallback" - }, - { - "anonymous": false, - "inputs": [ - { - "indexed": true, - "name": "target", - "type": "address" - }, - { - "indexed": true, - "name": "caller", - "type": "address" - } - ], - "name": "AuthorizedAddressAdded", - "type": "event" - }, - { - "anonymous": false, - "inputs": [ - { - "indexed": true, - "name": "target", - "type": "address" - }, - { - "indexed": true, - "name": "caller", - "type": "address" - } - ], - "name": "AuthorizedAddressRemoved", - "type": "event" - } - ], - "evm": { - "bytecode": { - "linkReferences": {}, - "object": 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0x494E4445585F4F55545F4F465F424F554E445300000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x2 DUP3 DUP2 SLOAD DUP2 LT ISZERO ISZERO PUSH2 0xBA8 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ PUSH2 0xC36 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1B PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x415554484F52495A45445F414444524553535F4D49534D415443480000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE PUSH1 0x2 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 ADD SWAP1 DUP2 LT PUSH2 0xCB1 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH1 0x2 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND SWAP2 DUP4 SWAP1 DUP2 LT PUSH2 0xCE4 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP3 SWAP1 SWAP3 AND SWAP2 SWAP1 SWAP2 OR SWAP1 SSTORE PUSH1 0x2 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 PUSH2 0xD63 SWAP1 DUP3 PUSH2 0xF4B JUMP JUMPDEST POP PUSH1 0x40 MLOAD CALLER SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND SWAP1 PUSH32 0x1F32C1B084E2DE0713B8FB16BD46BB9DF710A3DBEAE2F3CA93AF46E016DCC6B0 SWAP1 PUSH1 0x0 SWAP1 LOG3 POP POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x455243373231546F6B656E28616464726573732C75696E743235362900000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x1C ADD SWAP1 KECCAK256 JUMPDEST SWAP1 JUMP JUMPDEST PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x2 DUP1 SLOAD DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP1 SLOAD DUP1 ISZERO PUSH2 0xE5B JUMPI PUSH1 0x20 MUL DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0xE30 JUMPI JUMPDEST POP POP POP POP POP SWAP1 POP SWAP1 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xEEB JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0xF48 JUMPI PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND OR SWAP1 SSTORE JUMPDEST POP JUMP JUMPDEST DUP2 SLOAD DUP2 DUP4 SSTORE DUP2 DUP2 GT ISZERO PUSH2 0xF6F JUMPI PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x20 SWAP1 KECCAK256 PUSH2 0xF6F SWAP2 DUP2 ADD SWAP1 DUP4 ADD PUSH2 0xF74 JUMP JUMPDEST POP POP POP JUMP JUMPDEST PUSH2 0xDDE SWAP2 SWAP1 JUMPDEST DUP1 DUP3 GT ISZERO PUSH2 0xF8E JUMPI PUSH1 0x0 DUP2 SSTORE PUSH1 0x1 ADD PUSH2 0xF7A JUMP JUMPDEST POP SWAP1 JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 MLOAD CALLDATACOPY PUSH27 0xE1CA7B3F3D032510EA8CBA18DC3E6CE467F660AB6B18EDEBEB7804 0x49 0xc6 STOP 0x29 ", - "sourceMap": "641:7861:15:-;;;162:5:63;:18;;-1:-1:-1;;;;;;162:18:63;170:10;162:18;;;641:7861:15;;;;;;" - }, - "deployedBytecode": { - "linkReferences": {}, - "object": 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- "opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0x98 JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x42F1181E DUP2 EQ PUSH2 0x2BC JUMPI DUP1 PUSH4 0x494503D4 EQ PUSH2 0x2EC JUMPI DUP1 PUSH4 0x70712939 EQ PUSH2 0x32D JUMPI DUP1 PUSH4 0x8DA5CB5B EQ PUSH2 0x35B JUMPI DUP1 PUSH4 0x9AD26744 EQ PUSH2 0x370 JUMPI DUP1 PUSH4 0xAE25532E EQ PUSH2 0x3A1 JUMPI DUP1 PUSH4 0xB9181611 EQ PUSH2 0x3EB JUMPI DUP1 PUSH4 0xD39DE6E9 EQ PUSH2 0x42D JUMPI DUP1 PUSH4 0xF2FDE38B EQ PUSH2 0x492 JUMPI JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xA4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD AND PUSH32 0xA85E59E400000000000000000000000000000000000000000000000000000000 DUP2 EQ ISZERO PUSH2 0x2B7 JUMPI PUSH1 0x40 DUP1 MLOAD CALLER DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP3 ADD MSTORE SWAP1 DUP2 KECCAK256 SLOAD ISZERO ISZERO PUSH2 0x17B JUMPI PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 PUSH1 0x0 MSTORE PUSH29 0x2000000000000000000000000000000000000000000000000000000000 PUSH1 0x20 MSTORE PUSH29 0x1553454E4445525F4E4F545F415554484F52495A454400000000000000 PUSH1 0x40 MSTORE PUSH1 0x0 PUSH1 0x60 MSTORE PUSH1 0x64 PUSH1 0x0 REVERT JUMPDEST PUSH1 0x1 PUSH1 0x64 CALLDATALOAD SUB ISZERO PUSH2 0x1F7 JUMPI PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 PUSH1 0x0 MSTORE PUSH29 0x2000000000000000000000000000000000000000000000000000000000 PUSH1 0x20 MSTORE PUSH29 0xE494E56414C49445F414D4F554E540000000000000000000000000000 PUSH1 0x40 MSTORE PUSH1 0x0 PUSH1 0x60 MSTORE PUSH1 0x64 PUSH1 0x0 REVERT JUMPDEST PUSH32 0x23B872DD00000000000000000000000000000000000000000000000000000000 PUSH1 0x0 MSTORE PUSH1 0x40 PUSH1 0x24 PUSH1 0x4 CALLDATACOPY PUSH1 0x4 CALLDATALOAD PUSH1 0x20 PUSH1 0x48 DUP3 ADD PUSH1 0x44 CALLDATACOPY PUSH1 0x28 DUP2 ADD CALLDATALOAD PUSH1 0x0 DUP1 PUSH1 0x64 PUSH1 0x0 DUP1 DUP6 GAS CALL DUP1 ISZERO PUSH2 0x246 JUMPI STOP JUMPDEST PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 PUSH1 0x0 MSTORE PUSH29 0x2000000000000000000000000000000000000000000000000000000000 PUSH1 0x20 MSTORE PUSH29 0xF5452414E534645525F4641494C454400000000000000000000000000 PUSH1 0x40 MSTORE PUSH1 0x0 PUSH1 0x60 MSTORE PUSH1 0x64 PUSH1 0x0 REVERT JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2C8 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2EA PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x4C0 JUMP JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2F8 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x304 PUSH1 0x4 CALLDATALOAD PUSH2 0x6AC JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x339 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2EA PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x6E1 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x367 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x304 PUSH2 0x9DA JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x37C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2EA PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x9F6 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3AD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x3B6 PUSH2 0xDAB JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3F7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x419 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0xDE1 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x439 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x442 PUSH2 0xDF6 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 DUP2 ADD SWAP2 MUL DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x47E JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x466 JUMP JUMPDEST POP POP POP POP SWAP1 POP ADD SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x49E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2EA PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0xE65 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x546 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x5DB JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x19 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x5441524745545F414C52454144595F415554484F52495A454400000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND DUP4 OR SWAP1 SSTORE PUSH1 0x2 DUP1 SLOAD SWAP3 DUP4 ADD DUP2 SSTORE DUP4 MSTORE PUSH32 0x405787FA12A823E0F2B7631CC41B3BA8828B3321CA811111FA75CD3AA3BB5ACE SWAP1 SWAP2 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND DUP5 OR SWAP1 SSTORE MLOAD CALLER SWAP3 SWAP2 PUSH32 0x3147867C59D17E8FA9D522465651D44AAE0A9E38F902F3475B97E58072F0ED4C SWAP2 LOG3 POP JUMP JUMPDEST PUSH1 0x2 DUP1 SLOAD DUP3 SWAP1 DUP2 LT PUSH2 0x6BA JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 POP DUP2 JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x768 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x7FE JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x5441524745545F4E4F545F415554484F52495A45440000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE JUMPDEST PUSH1 0x2 SLOAD DUP2 LT ISZERO PUSH2 0x993 JUMPI DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x2 DUP3 DUP2 SLOAD DUP2 LT ISZERO ISZERO PUSH2 0x87B JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO PUSH2 0x98B JUMPI PUSH1 0x2 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 ADD SWAP1 DUP2 LT PUSH2 0x8D3 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH1 0x2 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND SWAP2 DUP4 SWAP1 DUP2 LT PUSH2 0x906 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP3 SWAP1 SWAP3 AND SWAP2 SWAP1 SWAP2 OR SWAP1 SSTORE PUSH1 0x2 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 PUSH2 0x985 SWAP1 DUP3 PUSH2 0xF4B JUMP JUMPDEST POP PUSH2 0x993 JUMP JUMPDEST PUSH1 0x1 ADD PUSH2 0x84B JUMP JUMPDEST PUSH1 0x40 MLOAD CALLER SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND SWAP1 PUSH32 0x1F32C1B084E2DE0713B8FB16BD46BB9DF710A3DBEAE2F3CA93AF46E016DCC6B0 SWAP1 PUSH1 0x0 SWAP1 LOG3 POP POP JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xA7C JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO ISZERO PUSH2 0xB12 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x5441524745545F4E4F545F415554484F52495A45440000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x2 SLOAD DUP2 LT PUSH2 0xB82 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x494E4445585F4F55545F4F465F424F554E445300000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x2 DUP3 DUP2 SLOAD DUP2 LT ISZERO ISZERO PUSH2 0xBA8 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ PUSH2 0xC36 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1B PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x415554484F52495A45445F414444524553535F4D49534D415443480000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE PUSH1 0x2 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 ADD SWAP1 DUP2 LT PUSH2 0xCB1 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH1 0x2 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND SWAP2 DUP4 SWAP1 DUP2 LT PUSH2 0xCE4 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP3 SWAP1 SWAP3 AND SWAP2 SWAP1 SWAP2 OR SWAP1 SSTORE PUSH1 0x2 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 PUSH2 0xD63 SWAP1 DUP3 PUSH2 0xF4B JUMP JUMPDEST POP PUSH1 0x40 MLOAD CALLER SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND SWAP1 PUSH32 0x1F32C1B084E2DE0713B8FB16BD46BB9DF710A3DBEAE2F3CA93AF46E016DCC6B0 SWAP1 PUSH1 0x0 SWAP1 LOG3 POP POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x455243373231546F6B656E28616464726573732C75696E743235362900000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x1C ADD SWAP1 KECCAK256 JUMPDEST SWAP1 JUMP JUMPDEST PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x2 DUP1 SLOAD DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP1 SLOAD DUP1 ISZERO PUSH2 0xE5B JUMPI PUSH1 0x20 MUL DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0xE30 JUMPI JUMPDEST POP POP POP POP POP SWAP1 POP SWAP1 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xEEB JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0xF48 JUMPI PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND OR SWAP1 SSTORE JUMPDEST POP JUMP JUMPDEST DUP2 SLOAD DUP2 DUP4 SSTORE DUP2 DUP2 GT ISZERO PUSH2 0xF6F JUMPI PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x20 SWAP1 KECCAK256 PUSH2 0xF6F SWAP2 DUP2 ADD SWAP1 DUP4 ADD PUSH2 0xF74 JUMP JUMPDEST POP POP POP JUMP JUMPDEST PUSH2 0xDDE SWAP2 SWAP1 JUMPDEST DUP1 DUP3 GT ISZERO PUSH2 0xF8E JUMPI PUSH1 0x0 DUP2 SSTORE PUSH1 0x1 ADD PUSH2 0xF7A JUMP JUMPDEST POP SWAP1 JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 MLOAD CALLDATACOPY PUSH27 0xE1CA7B3F3D032510EA8CBA18DC3E6CE467F660AB6B18EDEBEB7804 0x49 0xc6 STOP 0x29 ", - "sourceMap": 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"2.0.0/protocol/Exchange/libs/LibFillResults.sol": { - "id": 41 - }, - "2.0.0/protocol/Exchange/libs/LibMath.sol": { - "id": 42 - }, - "2.0.0/protocol/Exchange/libs/LibOrder.sol": { - "id": 43 - }, - "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": { - "id": 44 - }, - "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": { - "id": 45 - }, - "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": { - "id": 46 - }, - "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": { - "id": 47 - }, - "2.0.0/protocol/Exchange/mixins/MTransactions.sol": { - "id": 48 - }, - "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": { - "id": 49 - }, - "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": { - "id": 50 - }, - "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": { - "id": 51 - }, - "2.0.0/tokens/ERC20Token/ERC20Token.sol": { - "id": 52 - }, - "2.0.0/tokens/ERC20Token/IERC20Token.sol": { - "id": 53 - }, - "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": { - "id": 54 - }, - "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": { - "id": 55 - }, - "2.0.0/tokens/ERC721Token/ERC721Token.sol": { - "id": 56 - }, - "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": { - "id": 57 - }, - "2.0.0/tokens/ERC721Token/IERC721Token.sol": { - "id": 58 - }, - "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": { - "id": 59 - }, - "2.0.0/tokens/EtherToken/IEtherToken.sol": { - "id": 60 - }, - "2.0.0/utils/LibBytes/LibBytes.sol": { - "id": 61 - }, - "2.0.0/utils/Ownable/IOwnable.sol": { - "id": 62 - }, - "2.0.0/utils/Ownable/Ownable.sol": { - "id": 63 - }, - "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": { - "id": 64 - }, - "2.0.0/utils/SafeMath/SafeMath.sol": { - "id": 65 - } - }, - "sourceCodes": { - "2.0.0/extensions/Forwarder/Forwarder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinWeth.sol\";\nimport \"./MixinForwarderCore.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinAssets.sol\";\nimport \"./MixinExchangeWrapper.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Forwarder is\n LibConstants,\n MixinWeth,\n MixinAssets,\n MixinExchangeWrapper,\n MixinForwarderCore\n{\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n LibConstants(\n _exchange,\n _zrxAssetData,\n _wethAssetData\n )\n MixinForwarderCore()\n {}\n}\n", - "2.0.0/extensions/Forwarder/MixinAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MAssets.sol\";\n\n\ncontract MixinAssets is\n Ownable,\n LibConstants,\n MAssets\n{\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256(\"transfer(address,uint256)\"));\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external\n onlyOwner\n {\n transferAssetToSender(assetData, amount);\n }\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n bytes4 proxyId = assetData.readBytes4(0);\n\n if (proxyId == ERC20_DATA_ID) {\n transferERC20Token(assetData, amount);\n } else if (proxyId == ERC721_DATA_ID) {\n transferERC721Token(assetData, amount);\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n }\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n address token = assetData.readAddress(16);\n\n // Transfer tokens.\n // We do a raw call so we can check the success separate\n // from the return data.\n bool success = token.call(abi.encodeWithSelector(\n ERC20_TRANSFER_SELECTOR,\n msg.sender,\n amount\n ));\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n \n // Check return data.\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // value that evaluates to true.\n assembly {\n if returndatasize {\n success := 0\n if eq(returndatasize, 32) {\n // First 64 bytes of memory are reserved scratch space\n returndatacopy(0, 0, 32)\n success := mload(0)\n }\n }\n }\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n }\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n require(\n amount == 1,\n \"INVALID_AMOUNT\"\n );\n // Decode asset data.\n address token = assetData.readAddress(16);\n uint256 tokenId = assetData.readUint256(36);\n\n // Perform transfer.\n IERC721Token(token).transferFrom(\n address(this),\n msg.sender,\n tokenId\n );\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"../../protocol/Exchange/libs/LibAbiEncoder.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinExchangeWrapper is\n LibAbiEncoder,\n LibFillResults,\n LibMath,\n LibConstants,\n MExchangeWrapper\n{\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n address exchange = address(EXCHANGE);\n\n // Call `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := call(\n gas, // forward all gas\n exchange, // call address of Exchange contract\n 0, // transfer 0 wei\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of WETH to sell\n uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of WETH\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount;\n if (makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n\n require(\n makerAssetFilledAmount >= makerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n // Do nothing if zrxBuyAmount == 0\n if (zrxBuyAmount == 0) {\n return totalFillResults;\n }\n\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n uint256 zrxPurchased = 0;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // All of these are ZRX/WETH, so we can drop the respective assetData from calldata.\n orders[i].makerAssetData = zrxAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of ZRX to buy.\n uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased);\n\n // Convert the remaining amount of ZRX to buy into remaining amount\n // of WETH to sell, assuming entire amount can be sold in the current order.\n uint256 remainingWethSellAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees \n remainingZrxBuyAmount\n );\n\n // Attempt to sell the remaining amount of WETH.\n FillResults memory singleFillResult = fillOrderNoThrow(\n orders[i],\n safeAdd(remainingWethSellAmount, 1), // we add 1 wei to the fill amount to make up for rounding errors\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker.\n addFillResults(totalFillResults, singleFillResult);\n zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid);\n\n // Stop execution if the entire amount of ZRX has been bought.\n if (zrxPurchased >= zrxBuyAmount) {\n break;\n }\n }\n\n require(\n zrxPurchased >= zrxBuyAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\nimport \"./mixins/MAssets.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"./interfaces/IForwarderCore.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinForwarderCore is\n LibFillResults,\n LibMath,\n LibConstants,\n MWeth,\n MAssets,\n MExchangeWrapper,\n IForwarderCore\n{\n using LibBytes for bytes;\n\n /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf.\n constructor ()\n public\n {\n address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID);\n require(\n proxyAddress != address(0),\n \"UNREGISTERED_ASSET_PROXY\"\n );\n ETHER_TOKEN.approve(proxyAddress, MAX_UINT);\n ZRX_TOKEN.approve(proxyAddress, MAX_UINT);\n }\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 wethSellAmount;\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // Calculate amount of WETH that won't be spent on ETH fees.\n wethSellAmount = getPartialAmountFloor(\n PERCENTAGE_DENOMINATOR,\n safeAdd(PERCENTAGE_DENOMINATOR, feePercentage),\n msg.value\n );\n // Market sell available WETH.\n // ZRX fees are paid with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // 5% of WETH is reserved for filling feeOrders and paying feeRecipient.\n wethSellAmount = getPartialAmountFloor(\n MAX_WETH_FILL_PERCENTAGE,\n PERCENTAGE_DENOMINATOR,\n msg.value\n );\n // Market sell 95% of WETH.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // If the makerAsset is ZRX, it is not necessary to pay fees out of this\n // contracts's ZRX balance because fees are factored into the price of the order.\n orderFillResults = marketBuyExactZrxWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // Attemp to purchase desired amount of makerAsset.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketBuyExactAmountWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\n\n\ncontract MixinWeth is\n LibMath,\n LibConstants,\n MWeth\n{\n /// @dev Default payabale function, this allows us to withdraw WETH\n function ()\n public\n payable\n {\n require(\n msg.sender == address(ETHER_TOKEN),\n \"DEFAULT_FUNCTION_WETH_CONTRACT_ONLY\"\n );\n }\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal\n {\n require(\n msg.value > 0,\n \"INVALID_MSG_VALUE\"\n );\n ETHER_TOKEN.deposit.value(msg.value)();\n }\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal\n {\n // Ensure feePercentage is less than 5%.\n require(\n feePercentage <= MAX_FEE_PERCENTAGE,\n \"FEE_PERCENTAGE_TOO_LARGE\"\n );\n\n // Ensure that no extra WETH owned by this contract has been sold.\n uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx);\n require(\n wethSold <= msg.value,\n \"OVERSOLD_WETH\"\n );\n\n // Calculate amount of WETH that hasn't been sold.\n uint256 wethRemaining = safeSub(msg.value, wethSold);\n\n // Calculate ETH fee to pay to feeRecipient.\n uint256 ethFee = getPartialAmountFloor(\n feePercentage,\n PERCENTAGE_DENOMINATOR,\n wethSoldExcludingFeeOrders\n );\n\n // Ensure fee is less than amount of WETH remaining.\n require(\n ethFee <= wethRemaining,\n \"INSUFFICIENT_ETH_REMAINING\"\n );\n \n // Do nothing if no WETH remaining\n if (wethRemaining > 0) {\n // Convert remaining WETH to ETH\n ETHER_TOKEN.withdraw(wethRemaining);\n\n // Pay ETH to feeRecipient\n if (ethFee > 0) {\n feeRecipient.transfer(ethFee);\n }\n\n // Refund remaining ETH to msg.sender.\n uint256 ethRefund = safeSub(wethRemaining, ethFee);\n if (ethRefund > 0) {\n msg.sender.transfer(ethRefund);\n }\n }\n }\n}\n", - "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssets {\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external;\n}\n", - "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract IForwarderCore {\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n}\n", - "2.0.0/extensions/Forwarder/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/LibBytes/LibBytes.sol\";\nimport \"../../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../../tokens/EtherToken/IEtherToken.sol\";\nimport \"../../../tokens/ERC20Token/IERC20Token.sol\";\n\n\ncontract LibConstants {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n uint256 constant internal MAX_UINT = 2**256 - 1;\n uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; \n uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5%\n uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95%\n \n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n IEtherToken internal ETHER_TOKEN;\n IERC20Token internal ZRX_TOKEN;\n bytes internal ZRX_ASSET_DATA;\n bytes internal WETH_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n WETH_ASSET_DATA = _wethAssetData;\n\n address etherToken = _wethAssetData.readAddress(16);\n address zrxToken = _zrxAssetData.readAddress(16);\n ETHER_TOKEN = IEtherToken(etherToken);\n ZRX_TOKEN = IERC20Token(zrxToken);\n }\n}\n", - "2.0.0/extensions/Forwarder/mixins/MAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssets.sol\";\n\n\ncontract MAssets is\n IAssets\n{\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n}\n", - "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract MExchangeWrapper {\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n}\n", - "2.0.0/extensions/Forwarder/mixins/MWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract MWeth {\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal;\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal;\n}\n", - "2.0.0/extensions/OrderValidator/OrderValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract OrderValidator {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n struct TraderInfo {\n uint256 makerBalance; // Maker's balance of makerAsset\n uint256 makerAllowance; // Maker's allowance to corresponding AssetProxy\n uint256 takerBalance; // Taker's balance of takerAsset\n uint256 takerAllowance; // Taker's allowance to corresponding AssetProxy\n uint256 makerZrxBalance; // Maker's balance of ZRX\n uint256 makerZrxAllowance; // Maker's allowance of ZRX to ERC20Proxy\n uint256 takerZrxBalance; // Taker's balance of ZRX\n uint256 takerZrxAllowance; // Taker's allowance of ZRX to ERC20Proxy\n }\n\n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n bytes internal ZRX_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (address _exchange, bytes memory _zrxAssetData)\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n }\n\n /// @dev Fetches information for order and maker/taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return OrderInfo and TraderInfo instances for given order.\n function getOrderAndTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo, TraderInfo memory traderInfo)\n {\n orderInfo = EXCHANGE.getOrderInfo(order);\n traderInfo = getTraderInfo(order, takerAddress);\n return (orderInfo, traderInfo);\n }\n\n /// @dev Fetches information for all passed in orders and the makers/takers of each order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Arrays of OrderInfo and TraderInfo instances that correspond to each order.\n function getOrdersAndTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (LibOrder.OrderInfo[] memory ordersInfo, TraderInfo[] memory tradersInfo)\n {\n ordersInfo = EXCHANGE.getOrdersInfo(orders);\n tradersInfo = getTradersInfo(orders, takerAddresses);\n return (ordersInfo, tradersInfo);\n }\n\n /// @dev Fetches balance and allowances for maker and taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return Balances and allowances of maker and taker of order.\n function getTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (TraderInfo memory traderInfo)\n {\n (traderInfo.makerBalance, traderInfo.makerAllowance) = getBalanceAndAllowance(order.makerAddress, order.makerAssetData);\n (traderInfo.takerBalance, traderInfo.takerAllowance) = getBalanceAndAllowance(takerAddress, order.takerAssetData);\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n (traderInfo.makerZrxBalance, traderInfo.makerZrxAllowance) = getBalanceAndAllowance(order.makerAddress, zrxAssetData);\n (traderInfo.takerZrxBalance, traderInfo.takerZrxAllowance) = getBalanceAndAllowance(takerAddress, zrxAssetData);\n return traderInfo;\n }\n\n /// @dev Fetches balances and allowances of maker and taker for each provided order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Array of balances and allowances for maker and taker of each order.\n function getTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (TraderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n TraderInfo[] memory tradersInfo = new TraderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n tradersInfo[i] = getTraderInfo(orders[i], takerAddresses[i]);\n }\n return tradersInfo;\n }\n\n /// @dev Fetches token balances and allowances of an address to given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Encoded data that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balance of asset and allowance set to given proxy of asset.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalanceAndAllowance(address target, bytes memory assetData)\n public\n view\n returns (uint256 balance, uint256 allowance)\n {\n bytes4 assetProxyId = assetData.readBytes4(0);\n address token = assetData.readAddress(16);\n address assetProxy = EXCHANGE.getAssetProxy(assetProxyId);\n\n if (assetProxyId == ERC20_DATA_ID) {\n // Query balance\n balance = IERC20Token(token).balanceOf(target);\n\n // Query allowance\n allowance = IERC20Token(token).allowance(target, assetProxy);\n } else if (assetProxyId == ERC721_DATA_ID) {\n uint256 tokenId = assetData.readUint256(36);\n\n // Query owner of tokenId\n address owner = getERC721TokenOwner(token, tokenId);\n\n // Set balance to 1 if tokenId is owned by target\n balance = target == owner ? 1 : 0;\n\n // Check if ERC721Proxy is approved to spend tokenId\n bool isApproved = IERC721Token(token).isApprovedForAll(target, assetProxy) || IERC721Token(token).getApproved(tokenId) == assetProxy;\n \n // Set alowance to 1 if ERC721Proxy is approved to spend tokenId\n allowance = isApproved ? 1 : 0;\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n return (balance, allowance);\n }\n\n /// @dev Fetches token balances and allowances of an address for each given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Array of encoded byte arrays that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balances and allowances of assets.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalancesAndAllowances(address target, bytes[] memory assetData)\n public\n view\n returns (uint256[] memory, uint256[] memory)\n {\n uint256 length = assetData.length;\n uint256[] memory balances = new uint256[](length);\n uint256[] memory allowances = new uint256[](length);\n for (uint256 i = 0; i != length; i++) {\n (balances[i], allowances[i]) = getBalanceAndAllowance(target, assetData[i]);\n }\n return (balances, allowances);\n }\n\n /// @dev Calls `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token.\n /// @param token Address of ERC721 token.\n /// @param tokenId The identifier for the specific NFT.\n /// @return Owner of tokenId or null address if unowned.\n function getERC721TokenOwner(address token, uint256 tokenId)\n public\n view\n returns (address owner)\n {\n assembly {\n // load free memory pointer\n let cdStart := mload(64)\n\n // bytes4(keccak256(ownerOf(uint256))) = 0x6352211e\n mstore(cdStart, 0x6352211e00000000000000000000000000000000000000000000000000000000)\n mstore(add(cdStart, 4), tokenId)\n\n // staticcall `ownerOf(tokenId)`\n // `ownerOf` will revert if tokenId is not owned\n let success := staticcall(\n gas, // forward all gas\n token, // call token contract\n cdStart, // start of calldata\n 36, // length of input is 36 bytes\n cdStart, // write output over input\n 32 // size of output is 32 bytes\n )\n\n // Success implies that tokenId is owned\n // Copy owner from return data if successful\n if success {\n owner := mload(cdStart)\n } \n }\n\n // Owner initialized to address(0), no need to modify if call is unsuccessful\n return owner;\n }\n}\n", - "2.0.0/multisig/MultiSigWallet.sol": "// solhint-disable\npragma solidity ^0.4.15;\n\n\n/// @title Multisignature wallet - Allows multiple parties to agree on transactions before execution.\n/// @author Stefan George - \ncontract MultiSigWallet {\n\n /*\n * Events\n */\n event Confirmation(address indexed sender, uint indexed transactionId);\n event Revocation(address indexed sender, uint indexed transactionId);\n event Submission(uint indexed transactionId);\n event Execution(uint indexed transactionId);\n event ExecutionFailure(uint indexed transactionId);\n event Deposit(address indexed sender, uint value);\n event OwnerAddition(address indexed owner);\n event OwnerRemoval(address indexed owner);\n event RequirementChange(uint required);\n\n /*\n * Constants\n */\n uint constant public MAX_OWNER_COUNT = 50;\n\n /*\n * Storage\n */\n mapping (uint => Transaction) public transactions;\n mapping (uint => mapping (address => bool)) public confirmations;\n mapping (address => bool) public isOwner;\n address[] public owners;\n uint public required;\n uint public transactionCount;\n\n struct Transaction {\n address destination;\n uint value;\n bytes data;\n bool executed;\n }\n\n /*\n * Modifiers\n */\n modifier onlyWallet() {\n require(msg.sender == address(this));\n _;\n }\n\n modifier ownerDoesNotExist(address owner) {\n require(!isOwner[owner]);\n _;\n }\n\n modifier ownerExists(address owner) {\n require(isOwner[owner]);\n _;\n }\n\n modifier transactionExists(uint transactionId) {\n require(transactions[transactionId].destination != 0);\n _;\n }\n\n modifier confirmed(uint transactionId, address owner) {\n require(confirmations[transactionId][owner]);\n _;\n }\n\n modifier notConfirmed(uint transactionId, address owner) {\n require(!confirmations[transactionId][owner]);\n _;\n }\n\n modifier notExecuted(uint transactionId) {\n require(!transactions[transactionId].executed);\n _;\n }\n\n modifier notNull(address _address) {\n require(_address != 0);\n _;\n }\n\n modifier validRequirement(uint ownerCount, uint _required) {\n require(ownerCount <= MAX_OWNER_COUNT\n && _required <= ownerCount\n && _required != 0\n && ownerCount != 0);\n _;\n }\n\n /// @dev Fallback function allows to deposit ether.\n function()\n payable\n {\n if (msg.value > 0)\n Deposit(msg.sender, msg.value);\n }\n\n /*\n * Public functions\n */\n /// @dev Contract constructor sets initial owners and required number of confirmations.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n function MultiSigWallet(address[] _owners, uint _required)\n public\n validRequirement(_owners.length, _required)\n {\n for (uint i=0; i<_owners.length; i++) {\n require(!isOwner[_owners[i]] && _owners[i] != 0);\n isOwner[_owners[i]] = true;\n }\n owners = _owners;\n required = _required;\n }\n\n /// @dev Allows to add a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of new owner.\n function addOwner(address owner)\n public\n onlyWallet\n ownerDoesNotExist(owner)\n notNull(owner)\n validRequirement(owners.length + 1, required)\n {\n isOwner[owner] = true;\n owners.push(owner);\n OwnerAddition(owner);\n }\n\n /// @dev Allows to remove an owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner.\n function removeOwner(address owner)\n public\n onlyWallet\n ownerExists(owner)\n {\n isOwner[owner] = false;\n for (uint i=0; i owners.length)\n changeRequirement(owners.length);\n OwnerRemoval(owner);\n }\n\n /// @dev Allows to replace an owner with a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner to be replaced.\n /// @param newOwner Address of new owner.\n function replaceOwner(address owner, address newOwner)\n public\n onlyWallet\n ownerExists(owner)\n ownerDoesNotExist(newOwner)\n {\n for (uint i=0; i\n// solhint-disable not-rely-on-time\ncontract MultiSigWalletWithTimeLock is\n MultiSigWallet\n{\n event ConfirmationTimeSet(uint256 indexed transactionId, uint256 confirmationTime);\n event TimeLockChange(uint256 secondsTimeLocked);\n\n uint256 public secondsTimeLocked;\n\n mapping (uint256 => uint256) public confirmationTimes;\n\n modifier notFullyConfirmed(uint256 transactionId) {\n require(\n !isConfirmed(transactionId),\n \"TX_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier fullyConfirmed(uint256 transactionId) {\n require(\n isConfirmed(transactionId),\n \"TX_NOT_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier pastTimeLock(uint256 transactionId) {\n require(\n block.timestamp >= confirmationTimes[transactionId] + secondsTimeLocked,\n \"TIME_LOCK_INCOMPLETE\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations, and time lock.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] _owners,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWallet(_owners, _required)\n {\n secondsTimeLocked = _secondsTimeLocked;\n }\n\n /// @dev Changes the duration of the time lock for transactions.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n function changeTimeLock(uint256 _secondsTimeLocked)\n public\n onlyWallet\n {\n secondsTimeLocked = _secondsTimeLocked;\n emit TimeLockChange(_secondsTimeLocked);\n }\n\n /// @dev Allows an owner to confirm a transaction.\n /// @param transactionId Transaction ID.\n function confirmTransaction(uint256 transactionId)\n public\n ownerExists(msg.sender)\n transactionExists(transactionId)\n notConfirmed(transactionId, msg.sender)\n notFullyConfirmed(transactionId)\n {\n confirmations[transactionId][msg.sender] = true;\n emit Confirmation(msg.sender, transactionId);\n if (isConfirmed(transactionId)) {\n setConfirmationTime(transactionId, block.timestamp);\n }\n }\n\n /// @dev Allows anyone to execute a confirmed transaction.\n /// @param transactionId Transaction ID.\n function executeTransaction(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n pastTimeLock(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n\n /// @dev Sets the time of when a submission first passed.\n function setConfirmationTime(uint256 transactionId, uint256 confirmationTime)\n internal\n {\n confirmationTimes[transactionId] = confirmationTime;\n emit ConfirmationTimeSet(transactionId, confirmationTime);\n }\n}\n", - "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC20Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n \n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 1 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n\n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. amount |\n\n /////// Read token address from calldata ///////\n // * The token address is stored in `assetData`.\n //\n // * The \"offset to assetData\" is stored at offset 4 in the calldata (table 1).\n // [assetDataOffsetFromParams = calldataload(4)]\n //\n // * Notes that the \"offset to assetData\" is relative to the \"Params\" area of calldata;\n // add 4 bytes to account for the length of the \"Header\" area (table 1).\n // [assetDataOffsetFromHeader = assetDataOffsetFromParams + 4]\n //\n // * The \"token address\" is offset 32+4=36 bytes into \"assetData\" (tables 1 & 2).\n // [tokenOffset = assetDataOffsetFromHeader + 36 = calldataload(4) + 4 + 36]\n let token := calldataload(add(calldataload(4), 40))\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from`, `to` and `amount` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 96)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output over input\n 32 // output size should be 32 bytes\n )\n\n /////// Check return data. ///////\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // nonzero 32 bytes value.\n // So the transfer succeeded if the call succeeded and either\n // returned nothing, or returned a non-zero 32 byte value. \n success := and(success, or(\n iszero(returndatasize),\n and(\n eq(returndatasize, 32),\n gt(mload(0), 0)\n )\n ))\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", - "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC721Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 2 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n // | | 36 | | 2. tokenId |\n \n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. tokenId |\n\n // There exists only 1 of each token.\n // require(amount == 1, \"INVALID_AMOUNT\")\n if sub(calldataload(100), 1) {\n // Revert with `Error(\"INVALID_AMOUNT\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from` and `to` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 64)\n\n // Copy `tokenId` field from our own calldata to the new calldata.\n let assetDataOffset := calldataload(4)\n calldatacopy(68, add(assetDataOffset, 72), 32)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let token := calldataload(add(assetDataOffset, 40))\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output to null\n 0 // output size is 0 bytes\n )\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", - "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAuthorizable.sol\";\n\n\ncontract MixinAuthorizable is\n Ownable,\n MAuthorizable\n{\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized {\n require(\n authorized[msg.sender],\n \"SENDER_NOT_AUTHORIZED\"\n );\n _;\n }\n\n mapping (address => bool) public authorized;\n address[] public authorities;\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n !authorized[target],\n \"TARGET_ALREADY_AUTHORIZED\"\n );\n\n authorized[target] = true;\n authorities.push(target);\n emit AuthorizedAddressAdded(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n\n delete authorized[target];\n for (uint256 i = 0; i < authorities.length; i++) {\n if (authorities[i] == target) {\n authorities[i] = authorities[authorities.length - 1];\n authorities.length -= 1;\n break;\n }\n }\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n require(\n index < authorities.length,\n \"INDEX_OUT_OF_BOUNDS\"\n );\n require(\n authorities[index] == target,\n \"AUTHORIZED_ADDRESS_MISMATCH\"\n );\n\n delete authorized[target];\n authorities[index] = authorities[authorities.length - 1];\n authorities.length -= 1;\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory)\n {\n return authorities;\n }\n}\n", - "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IAuthorizable.sol\";\n\n\ncontract IAssetProxy is\n IAuthorizable\n{\n /// @dev Transfers assets. Either succeeds or throws.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n function transferFrom(\n bytes assetData,\n address from,\n address to,\n uint256 amount\n )\n external;\n \n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4);\n}\n", - "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/Ownable/IOwnable.sol\";\n\n\ncontract IAuthorizable is\n IOwnable\n{\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external;\n \n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory);\n}\n", - "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAuthorizable.sol\";\n\n\ncontract MAuthorizable is\n IAuthorizable\n{\n // Event logged when a new address is authorized.\n event AuthorizedAddressAdded(\n address indexed target,\n address indexed caller\n );\n\n // Event logged when a currently authorized address is unauthorized.\n event AuthorizedAddressRemoved(\n address indexed target,\n address indexed caller\n );\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized { revert(); _; }\n}\n", - "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../multisig/MultiSigWalletWithTimeLock.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract AssetProxyOwner is\n MultiSigWalletWithTimeLock\n{\n using LibBytes for bytes;\n\n event AssetProxyRegistration(address assetProxyContract, bool isRegistered);\n\n // Mapping of AssetProxy contract address =>\n // if this contract is allowed to call the AssetProxy's `removeAuthorizedAddressAtIndex` method without a time lock.\n mapping (address => bool) public isAssetProxyRegistered;\n\n bytes4 constant internal REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR = bytes4(keccak256(\"removeAuthorizedAddressAtIndex(address,uint256)\"));\n\n /// @dev Function will revert if the transaction does not call `removeAuthorizedAddressAtIndex`\n /// on an approved AssetProxy contract.\n modifier validRemoveAuthorizedAddressAtIndexTx(uint256 transactionId) {\n Transaction storage txn = transactions[transactionId];\n require(\n isAssetProxyRegistered[txn.destination],\n \"UNREGISTERED_ASSET_PROXY\"\n );\n require(\n txn.data.readBytes4(0) == REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR,\n \"INVALID_FUNCTION_SELECTOR\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations,\n /// time lock, and list of AssetProxy addresses.\n /// @param _owners List of initial owners.\n /// @param _assetProxyContracts Array of AssetProxy contract addresses.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] memory _owners,\n address[] memory _assetProxyContracts,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWalletWithTimeLock(_owners, _required, _secondsTimeLocked)\n {\n for (uint256 i = 0; i < _assetProxyContracts.length; i++) {\n address assetProxy = _assetProxyContracts[i];\n require(\n assetProxy != address(0),\n \"INVALID_ASSET_PROXY\"\n );\n isAssetProxyRegistered[assetProxy] = true;\n }\n }\n\n /// @dev Registers or deregisters an AssetProxy to be able to execute\n /// `removeAuthorizedAddressAtIndex` without a timelock.\n /// @param assetProxyContract Address of AssetProxy contract.\n /// @param isRegistered Status of approval for AssetProxy contract.\n function registerAssetProxy(address assetProxyContract, bool isRegistered)\n public\n onlyWallet\n notNull(assetProxyContract)\n {\n isAssetProxyRegistered[assetProxyContract] = isRegistered;\n emit AssetProxyRegistration(assetProxyContract, isRegistered);\n }\n\n /// @dev Allows execution of `removeAuthorizedAddressAtIndex` without time lock.\n /// @param transactionId Transaction ID.\n function executeRemoveAuthorizedAddressAtIndex(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n validRemoveAuthorizedAddressAtIndexTx(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n}\n", - "2.0.0/protocol/Exchange/Exchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinExchangeCore.sol\";\nimport \"./MixinSignatureValidator.sol\";\nimport \"./MixinWrapperFunctions.sol\";\nimport \"./MixinAssetProxyDispatcher.sol\";\nimport \"./MixinTransactions.sol\";\nimport \"./MixinMatchOrders.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Exchange is\n MixinExchangeCore,\n MixinMatchOrders,\n MixinSignatureValidator,\n MixinTransactions,\n MixinAssetProxyDispatcher,\n MixinWrapperFunctions\n{\n string constant public VERSION = \"2.0.1-alpha\";\n\n // Mixins are instantiated in the order they are inherited\n constructor (bytes memory _zrxAssetData)\n public\n LibConstants(_zrxAssetData) // @TODO: Remove when we deploy.\n MixinExchangeCore()\n MixinMatchOrders()\n MixinSignatureValidator()\n MixinTransactions()\n MixinAssetProxyDispatcher()\n MixinWrapperFunctions()\n {}\n}\n", - "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\nimport \"../AssetProxy/interfaces/IAssetProxy.sol\";\n\n\ncontract MixinAssetProxyDispatcher is\n Ownable,\n MAssetProxyDispatcher\n{\n // Mapping from Asset Proxy Id's to their respective Asset Proxy\n mapping (bytes4 => IAssetProxy) public assetProxies;\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external\n onlyOwner\n {\n IAssetProxy assetProxyContract = IAssetProxy(assetProxy);\n\n // Ensure that no asset proxy exists with current id.\n bytes4 assetProxyId = assetProxyContract.getProxyId();\n address currentAssetProxy = assetProxies[assetProxyId];\n require(\n currentAssetProxy == address(0),\n \"ASSET_PROXY_ALREADY_EXISTS\"\n );\n\n // Add asset proxy and log registration.\n assetProxies[assetProxyId] = assetProxyContract;\n emit AssetProxyRegistered(\n assetProxyId,\n assetProxy\n );\n }\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address)\n {\n return assetProxies[assetProxyId];\n }\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal\n {\n // Do nothing if no amount should be transferred.\n if (amount > 0 && from != to) {\n // Ensure assetData length is valid\n require(\n assetData.length > 3,\n \"LENGTH_GREATER_THAN_3_REQUIRED\"\n );\n \n // Lookup assetProxy. We do not use `LibBytes.readBytes4` for gas efficiency reasons.\n bytes4 assetProxyId;\n assembly {\n assetProxyId := and(mload(\n add(assetData, 32)),\n 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000\n )\n }\n address assetProxy = assetProxies[assetProxyId];\n\n // Ensure that assetProxy exists\n require(\n assetProxy != address(0),\n \"ASSET_PROXY_DOES_NOT_EXIST\"\n );\n \n // We construct calldata for the `assetProxy.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n\n assembly {\n /////// Setup State ///////\n // `cdStart` is the start of the calldata for `assetProxy.transferFrom` (equal to free memory ptr).\n let cdStart := mload(64)\n // `dataAreaLength` is the total number of words needed to store `assetData`\n // As-per the ABI spec, this value is padded up to the nearest multiple of 32,\n // and includes 32-bytes for length.\n let dataAreaLength := and(add(mload(assetData), 63), 0xFFFFFFFFFFFE0)\n // `cdEnd` is the end of the calldata for `assetProxy.transferFrom`.\n let cdEnd := add(cdStart, add(132, dataAreaLength))\n\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFromSelector`.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes.\n // Notes:\n // 1. The offset to `assetData` is the length of the Params Area (128 bytes).\n // 2. A 20-byte mask is applied to addresses to zero-out the unused bytes.\n mstore(add(cdStart, 4), 128)\n mstore(add(cdStart, 36), and(from, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 68), and(to, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 100), amount)\n \n /////// Setup Data Area ///////\n // This area holds `assetData`.\n let dataArea := add(cdStart, 132)\n // solhint-disable-next-line no-empty-blocks\n for {} lt(dataArea, cdEnd) {} {\n mstore(dataArea, mload(assetData))\n dataArea := add(dataArea, 32)\n assetData := add(assetData, 32)\n }\n\n /////// Call `assetProxy.transferFrom` using the constructed calldata ///////\n let success := call(\n gas, // forward all gas\n assetProxy, // call address of asset proxy\n 0, // don't send any ETH\n cdStart, // pointer to start of input\n sub(cdEnd, cdStart), // length of input \n cdStart, // write output over input\n 512 // reserve 512 bytes for output\n )\n if iszero(success) {\n revert(cdStart, returndatasize())\n }\n }\n }\n }\n}\n", - "2.0.0/protocol/Exchange/MixinExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinExchangeCore is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n LibOrder,\n LibFillResults,\n MAssetProxyDispatcher,\n MExchangeCore,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of orderHash => amount of takerAsset already bought by maker\n mapping (bytes32 => uint256) public filled;\n\n // Mapping of orderHash => cancelled\n mapping (bytes32 => bool) public cancelled;\n\n // Mapping of makerAddress => senderAddress => lowest salt an order can have in order to be fillable\n // Orders with specified senderAddress and with a salt less than their epoch are considered cancelled\n mapping (address => mapping (address => uint256)) public orderEpoch;\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external\n nonReentrant\n {\n address makerAddress = getCurrentContextAddress();\n // If this function is called via `executeTransaction`, we only update the orderEpoch for the makerAddress/msg.sender combination.\n // This allows external filter contracts to add rules to how orders are cancelled via this function.\n address senderAddress = makerAddress == msg.sender ? address(0) : msg.sender;\n\n // orderEpoch is initialized to 0, so to cancelUpTo we need salt + 1\n uint256 newOrderEpoch = targetOrderEpoch + 1; \n uint256 oldOrderEpoch = orderEpoch[makerAddress][senderAddress];\n\n // Ensure orderEpoch is monotonically increasing\n require(\n newOrderEpoch > oldOrderEpoch, \n \"INVALID_NEW_ORDER_EPOCH\"\n );\n\n // Update orderEpoch\n orderEpoch[makerAddress][senderAddress] = newOrderEpoch;\n emit CancelUpTo(\n makerAddress,\n senderAddress,\n newOrderEpoch\n );\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrder(Order memory order)\n public\n nonReentrant\n {\n cancelOrderInternal(order);\n }\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(Order memory order)\n public\n view\n returns (OrderInfo memory orderInfo)\n {\n // Compute the order hash\n orderInfo.orderHash = getOrderHash(order);\n\n // Fetch filled amount\n orderInfo.orderTakerAssetFilledAmount = filled[orderInfo.orderHash];\n\n // If order.makerAssetAmount is zero, we also reject the order.\n // While the Exchange contract handles them correctly, they create\n // edge cases in the supporting infrastructure because they have\n // an 'infinite' price when computed by a simple division.\n if (order.makerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_MAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // If order.takerAssetAmount is zero, then the order will always\n // be considered filled because 0 == takerAssetAmount == orderTakerAssetFilledAmount\n // Instead of distinguishing between unfilled and filled zero taker\n // amount orders, we choose not to support them.\n if (order.takerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_TAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // Validate order availability\n if (orderInfo.orderTakerAssetFilledAmount >= order.takerAssetAmount) {\n orderInfo.orderStatus = uint8(OrderStatus.FULLY_FILLED);\n return orderInfo;\n }\n\n // Validate order expiration\n // solhint-disable-next-line not-rely-on-time\n if (block.timestamp >= order.expirationTimeSeconds) {\n orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);\n return orderInfo;\n }\n\n // Check if order has been cancelled\n if (cancelled[orderInfo.orderHash]) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n if (orderEpoch[order.makerAddress][order.senderAddress] > order.salt) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n\n // All other statuses are ruled out: order is Fillable\n orderInfo.orderStatus = uint8(OrderStatus.FILLABLE);\n return orderInfo;\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // Fetch order info\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Assert that the order is fillable by taker\n assertFillableOrder(\n order,\n orderInfo,\n takerAddress,\n signature\n );\n \n // Get amount of takerAsset to fill\n uint256 remainingTakerAssetAmount = safeSub(order.takerAssetAmount, orderInfo.orderTakerAssetFilledAmount);\n uint256 takerAssetFilledAmount = min256(takerAssetFillAmount, remainingTakerAssetAmount);\n\n // Validate context\n assertValidFill(\n order,\n orderInfo,\n takerAssetFillAmount,\n takerAssetFilledAmount,\n fillResults.makerAssetFilledAmount\n );\n\n // Compute proportional fill amounts\n fillResults = calculateFillResults(order, takerAssetFilledAmount);\n\n // Update exchange internal state\n updateFilledState(\n order,\n takerAddress,\n orderInfo.orderHash,\n orderInfo.orderTakerAssetFilledAmount,\n fillResults\n );\n \n // Settle order\n settleOrder(\n order,\n takerAddress,\n fillResults\n );\n\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrderInternal(Order memory order)\n internal\n {\n // Fetch current order status\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Validate context\n assertValidCancel(order, orderInfo);\n\n // Perform cancel\n updateCancelledState(order, orderInfo.orderHash);\n }\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n function updateFilledState(\n Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n FillResults memory fillResults\n )\n internal\n {\n // Update state\n filled[orderHash] = safeAdd(orderTakerAssetFilledAmount, fillResults.takerAssetFilledAmount);\n\n // Log order\n emit Fill(\n order.makerAddress,\n order.feeRecipientAddress,\n takerAddress,\n msg.sender,\n fillResults.makerAssetFilledAmount,\n fillResults.takerAssetFilledAmount,\n fillResults.makerFeePaid,\n fillResults.takerFeePaid,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n Order memory order,\n bytes32 orderHash\n )\n internal\n {\n // Perform cancel\n cancelled[orderHash] = true;\n\n // Log cancel\n emit Cancel(\n order.makerAddress,\n order.feeRecipientAddress,\n msg.sender,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n Order memory order,\n OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view\n {\n // An order can only be filled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n \n // Validate sender is allowed to fill this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n \n // Validate taker is allowed to fill this order\n if (order.takerAddress != address(0)) {\n require(\n order.takerAddress == takerAddress,\n \"INVALID_TAKER\"\n );\n }\n \n // Validate Maker signature (check only if first time seen)\n if (orderInfo.orderTakerAssetFilledAmount == 0) {\n require(\n isValidSignature(\n orderInfo.orderHash,\n order.makerAddress,\n signature\n ),\n \"INVALID_ORDER_SIGNATURE\"\n );\n }\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n Order memory order,\n OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount, // TODO: use FillResults\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view\n {\n // Revert if fill amount is invalid\n // TODO: reconsider necessity for v2.1\n require(\n takerAssetFillAmount != 0,\n \"INVALID_TAKER_AMOUNT\"\n );\n \n // Make sure taker does not pay more than desired amount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n takerAssetFilledAmount <= takerAssetFillAmount,\n \"TAKER_OVERPAY\"\n );\n \n // Make sure order is not overfilled\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeAdd(orderInfo.orderTakerAssetFilledAmount, takerAssetFilledAmount) <= order.takerAssetAmount,\n \"ORDER_OVERFILL\"\n );\n \n // Make sure order is filled at acceptable price.\n // The order has an implied price from the makers perspective:\n // order price = order.makerAssetAmount / order.takerAssetAmount\n // i.e. the number of makerAsset maker is paying per takerAsset. The\n // maker is guaranteed to get this price or a better (lower) one. The\n // actual price maker is getting in this fill is:\n // fill price = makerAssetFilledAmount / takerAssetFilledAmount\n // We need `fill price <= order price` for the fill to be fair to maker.\n // This amounts to:\n // makerAssetFilledAmount order.makerAssetAmount\n // ------------------------ <= -----------------------\n // takerAssetFilledAmount order.takerAssetAmount\n // or, equivalently:\n // makerAssetFilledAmount * order.takerAssetAmount <=\n // order.makerAssetAmount * takerAssetFilledAmount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeMul(makerAssetFilledAmount, order.takerAssetAmount)\n <= \n safeMul(order.makerAssetAmount, takerAssetFilledAmount),\n \"INVALID_FILL_PRICE\"\n );\n }\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n Order memory order,\n OrderInfo memory orderInfo\n )\n internal\n view\n {\n // Ensure order is valid\n // An order can only be cancelled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Validate sender is allowed to cancel this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate transaction signed by maker\n address makerAddress = getCurrentContextAddress();\n require(\n order.makerAddress == makerAddress,\n \"INVALID_MAKER\"\n );\n }\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (FillResults memory fillResults)\n {\n // Compute proportional transfer amounts\n fillResults.takerAssetFilledAmount = takerAssetFilledAmount;\n fillResults.makerAssetFilledAmount = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n );\n fillResults.makerFeePaid = safeGetPartialAmountFloor(\n fillResults.makerAssetFilledAmount,\n order.makerAssetAmount,\n order.makerFee\n );\n fillResults.takerFeePaid = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.takerFee\n );\n\n return fillResults;\n }\n\n /// @dev Settles an order by transferring assets between counterparties.\n /// @param order Order struct containing order specifications.\n /// @param takerAddress Address selling takerAsset and buying makerAsset.\n /// @param fillResults Amounts to be filled and fees paid by maker and taker.\n function settleOrder(\n LibOrder.Order memory order,\n address takerAddress,\n LibFillResults.FillResults memory fillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n dispatchTransferFrom(\n order.makerAssetData,\n order.makerAddress,\n takerAddress,\n fillResults.makerAssetFilledAmount\n );\n dispatchTransferFrom(\n order.takerAssetData,\n takerAddress,\n order.makerAddress,\n fillResults.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n zrxAssetData,\n order.makerAddress,\n order.feeRecipientAddress,\n fillResults.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n order.feeRecipientAddress,\n fillResults.takerFeePaid\n );\n }\n}\n", - "2.0.0/protocol/Exchange/MixinMatchOrders.sol": "/*\n Copyright 2018 ZeroEx Intl.\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n http://www.apache.org/licenses/LICENSE-2.0\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MMatchOrders.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinMatchOrders is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n MAssetProxyDispatcher,\n MExchangeCore,\n MMatchOrders,\n MTransactions\n{\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n nonReentrant\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We assume that rightOrder.takerAssetData == leftOrder.makerAssetData and rightOrder.makerAssetData == leftOrder.takerAssetData.\n // If this assumption isn't true, the match will fail at signature validation.\n rightOrder.makerAssetData = leftOrder.takerAssetData;\n rightOrder.takerAssetData = leftOrder.makerAssetData;\n\n // Get left & right order info\n LibOrder.OrderInfo memory leftOrderInfo = getOrderInfo(leftOrder);\n LibOrder.OrderInfo memory rightOrderInfo = getOrderInfo(rightOrder);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Either our context is valid or we revert\n assertFillableOrder(\n leftOrder,\n leftOrderInfo,\n takerAddress,\n leftSignature\n );\n assertFillableOrder(\n rightOrder,\n rightOrderInfo,\n takerAddress,\n rightSignature\n );\n assertValidMatch(leftOrder, rightOrder);\n\n // Compute proportional fill amounts\n matchedFillResults = calculateMatchedFillResults(\n leftOrder,\n rightOrder,\n leftOrderInfo.orderTakerAssetFilledAmount,\n rightOrderInfo.orderTakerAssetFilledAmount\n );\n\n // Validate fill contexts\n assertValidFill(\n leftOrder,\n leftOrderInfo,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.makerAssetFilledAmount\n );\n assertValidFill(\n rightOrder,\n rightOrderInfo,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n \n // Update exchange state\n updateFilledState(\n leftOrder,\n takerAddress,\n leftOrderInfo.orderHash,\n leftOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.left\n );\n updateFilledState(\n rightOrder,\n takerAddress,\n rightOrderInfo.orderHash,\n rightOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.right\n );\n\n // Settle matched orders. Succeeds or throws.\n settleMatchedOrders(\n leftOrder,\n rightOrder,\n takerAddress,\n matchedFillResults\n );\n\n return matchedFillResults;\n }\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure\n {\n // Make sure there is a profitable spread.\n // There is a profitable spread iff the cost per unit bought (OrderA.MakerAmount/OrderA.TakerAmount) for each order is greater\n // than the profit per unit sold of the matched order (OrderB.TakerAmount/OrderB.MakerAmount).\n // This is satisfied by the equations below:\n // / >= / \n // AND\n // / >= / \n // These equations can be combined to get the following:\n require(\n safeMul(leftOrder.makerAssetAmount, rightOrder.makerAssetAmount) >=\n safeMul(leftOrder.takerAssetAmount, rightOrder.takerAssetAmount),\n \"NEGATIVE_SPREAD_REQUIRED\"\n );\n }\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // Derive maker asset amounts for left & right orders, given store taker assert amounts\n uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);\n uint256 leftMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n leftTakerAssetAmountRemaining\n );\n uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);\n uint256 rightMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n rightOrder.makerAssetAmount,\n rightOrder.takerAssetAmount,\n rightTakerAssetAmountRemaining\n );\n\n // Calculate fill results for maker and taker assets: at least one order will be fully filled.\n // The maximum amount the left maker can buy is `leftTakerAssetAmountRemaining`\n // The maximum amount the right maker can sell is `rightMakerAssetAmountRemaining`\n // We have two distinct cases for calculating the fill results:\n // Case 1.\n // If the left maker can buy more than the right maker can sell, then only the right order is fully filled.\n // If the left maker can buy exactly what the right maker can sell, then both orders are fully filled.\n // Case 2.\n // If the left maker cannot buy more than the right maker can sell, then only the left order is fully filled.\n if (leftTakerAssetAmountRemaining >= rightMakerAssetAmountRemaining) {\n // Case 1: Right order is fully filled\n matchedFillResults.right.makerAssetFilledAmount = rightMakerAssetAmountRemaining;\n matchedFillResults.right.takerAssetFilledAmount = rightTakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = matchedFillResults.right.makerAssetFilledAmount;\n // Round down to ensure the maker's exchange rate does not exceed the price specified by the order. \n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.left.makerAssetFilledAmount = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n matchedFillResults.left.takerAssetFilledAmount\n );\n } else {\n // Case 2: Left order is fully filled\n matchedFillResults.left.makerAssetFilledAmount = leftMakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = leftTakerAssetAmountRemaining;\n matchedFillResults.right.makerAssetFilledAmount = matchedFillResults.left.takerAssetFilledAmount;\n // Round up to ensure the maker's exchange rate does not exceed the price specified by the order.\n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.right.takerAssetFilledAmount = safeGetPartialAmountCeil(\n rightOrder.takerAssetAmount,\n rightOrder.makerAssetAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n }\n\n // Calculate amount given to taker\n matchedFillResults.leftMakerAssetSpreadAmount = safeSub(\n matchedFillResults.left.makerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount\n );\n\n // Compute fees for left order\n matchedFillResults.left.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.makerAssetFilledAmount,\n leftOrder.makerAssetAmount,\n leftOrder.makerFee\n );\n matchedFillResults.left.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.takerAssetFilledAmount,\n leftOrder.takerAssetAmount,\n leftOrder.takerFee\n );\n\n // Compute fees for right order\n matchedFillResults.right.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.makerAssetFilledAmount,\n rightOrder.makerAssetAmount,\n rightOrder.makerFee\n );\n matchedFillResults.right.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.takerAssetFilledAmount,\n rightOrder.takerAssetAmount,\n rightOrder.takerFee\n );\n\n // Return fill results\n return matchedFillResults;\n }\n\n /// @dev Settles matched order by transferring appropriate funds between order makers, taker, and fee recipient.\n /// @param leftOrder First matched order.\n /// @param rightOrder Second matched order.\n /// @param takerAddress Address that matched the orders. The taker receives the spread between orders as profit.\n /// @param matchedFillResults Struct holding amounts to transfer between makers, taker, and fee recipients.\n function settleMatchedOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n address takerAddress,\n LibFillResults.MatchedFillResults memory matchedFillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n // Order makers and taker\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n rightOrder.makerAddress,\n matchedFillResults.right.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n rightOrder.makerAssetData,\n rightOrder.makerAddress,\n leftOrder.makerAddress,\n matchedFillResults.left.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n takerAddress,\n matchedFillResults.leftMakerAssetSpreadAmount\n );\n\n // Maker fees\n dispatchTransferFrom(\n zrxAssetData,\n leftOrder.makerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n rightOrder.makerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.makerFeePaid\n );\n\n // Taker fees\n if (leftOrder.feeRecipientAddress == rightOrder.feeRecipientAddress) {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n safeAdd(\n matchedFillResults.left.takerFeePaid,\n matchedFillResults.right.takerFeePaid\n )\n );\n } else {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.takerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.takerFeePaid\n );\n }\n }\n}\n", - "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./interfaces/IWallet.sol\";\nimport \"./interfaces/IValidator.sol\";\n\n\ncontract MixinSignatureValidator is\n ReentrancyGuard,\n MSignatureValidator,\n MTransactions\n{\n using LibBytes for bytes;\n \n // Mapping of hash => signer => signed\n mapping (bytes32 => mapping (address => bool)) public preSigned;\n\n // Mapping of signer => validator => approved\n mapping (address => mapping (address => bool)) public allowedValidators;\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n {\n if (signerAddress != msg.sender) {\n require(\n isValidSignature(\n hash,\n signerAddress,\n signature\n ),\n \"INVALID_SIGNATURE\"\n );\n }\n preSigned[hash][signerAddress] = true;\n }\n\n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external\n nonReentrant\n {\n address signerAddress = getCurrentContextAddress();\n allowedValidators[signerAddress][validatorAddress] = approval;\n emit SignatureValidatorApproval(\n signerAddress,\n validatorAddress,\n approval\n );\n }\n\n /// @dev Verifies that a hash has been signed by the given signer.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid)\n {\n require(\n signature.length > 0,\n \"LENGTH_GREATER_THAN_0_REQUIRED\"\n );\n\n // Pop last byte off of signature byte array.\n uint8 signatureTypeRaw = uint8(signature.popLastByte());\n\n // Ensure signature is supported\n require(\n signatureTypeRaw < uint8(SignatureType.NSignatureTypes),\n \"SIGNATURE_UNSUPPORTED\"\n );\n\n SignatureType signatureType = SignatureType(signatureTypeRaw);\n\n // Variables are not scoped in Solidity.\n uint8 v;\n bytes32 r;\n bytes32 s;\n address recovered;\n\n // Always illegal signature.\n // This is always an implicit option since a signer can create a\n // signature array with invalid type or length. We may as well make\n // it an explicit option. This aids testing and analysis. It is\n // also the initialization value for the enum type.\n if (signatureType == SignatureType.Illegal) {\n revert(\"SIGNATURE_ILLEGAL\");\n\n // Always invalid signature.\n // Like Illegal, this is always implicitly available and therefore\n // offered explicitly. It can be implicitly created by providing\n // a correctly formatted but incorrect signature.\n } else if (signatureType == SignatureType.Invalid) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = false;\n return isValid;\n\n // Signature using EIP712\n } else if (signatureType == SignatureType.EIP712) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n hash,\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signed using web3.eth_sign\n } else if (signatureType == SignatureType.EthSign) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n32\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signature verified by wallet contract.\n // If used with an order, the maker of the order is the wallet contract.\n } else if (signatureType == SignatureType.Wallet) {\n isValid = isValidWalletSignature(\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signature verified by validator contract.\n // If used with an order, the maker of the order can still be an EOA.\n // A signature using this type should be encoded as:\n // | Offset | Length | Contents |\n // | 0x00 | x | Signature to validate |\n // | 0x00 + x | 20 | Address of validator contract |\n // | 0x14 + x | 1 | Signature type is always \"\\x06\" |\n } else if (signatureType == SignatureType.Validator) {\n // Pop last 20 bytes off of signature byte array.\n address validatorAddress = signature.popLast20Bytes();\n \n // Ensure signer has approved validator.\n if (!allowedValidators[signerAddress][validatorAddress]) {\n return false;\n }\n isValid = isValidValidatorSignature(\n validatorAddress,\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signer signed hash previously using the preSign function.\n } else if (signatureType == SignatureType.PreSigned) {\n isValid = preSigned[hash][signerAddress];\n return isValid;\n }\n\n // Anything else is illegal (We do not return false because\n // the signature may actually be valid, just not in a format\n // that we currently support. In this case returning false\n // may lead the caller to incorrectly believe that the\n // signature was invalid.)\n revert(\"SIGNATURE_UNSUPPORTED\");\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if signature is valid for given wallet..\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IWallet(walletAddress).isValidSignature.selector,\n hash,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n walletAddress, // address of Wallet contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"WALLET_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000c57414c4c45545f4552524f5200000000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IValidator(signerAddress).isValidSignature.selector,\n hash,\n signerAddress,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n validatorAddress, // address of Validator contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"VALIDATOR_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f56414c494441544f525f4552524f5200000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n}\n", - "2.0.0/protocol/Exchange/MixinTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"./libs/LibExchangeErrors.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./libs/LibEIP712.sol\";\n\n\ncontract MixinTransactions is\n LibEIP712,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of transaction hash => executed\n // This prevents transactions from being executed more than once.\n mapping (bytes32 => bool) public transactions;\n\n // Address of current transaction signer\n address public currentContextAddress;\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external\n {\n // Prevent reentrancy\n require(\n currentContextAddress == address(0),\n \"REENTRANCY_ILLEGAL\"\n );\n\n bytes32 transactionHash = hashEIP712Message(hashZeroExTransaction(\n salt,\n signerAddress,\n data\n ));\n\n // Validate transaction has not been executed\n require(\n !transactions[transactionHash],\n \"INVALID_TX_HASH\"\n );\n\n // Transaction always valid if signer is sender of transaction\n if (signerAddress != msg.sender) {\n // Validate signature\n require(\n isValidSignature(\n transactionHash,\n signerAddress,\n signature\n ),\n \"INVALID_TX_SIGNATURE\"\n );\n\n // Set the current transaction signer\n currentContextAddress = signerAddress;\n }\n\n // Execute transaction\n transactions[transactionHash] = true;\n require(\n address(this).delegatecall(data),\n \"FAILED_EXECUTION\"\n );\n\n // Reset current transaction signer if it was previously updated\n if (signerAddress != msg.sender) {\n currentContextAddress = address(0);\n }\n }\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;\n bytes32 dataHash = keccak256(data);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,\n // salt,\n // bytes32(signerAddress),\n // keccak256(data)\n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, schemaHash) // hash of schema\n mstore(add(memPtr, 32), salt) // salt\n mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff)) // signerAddress\n mstore(add(memPtr, 96), dataHash) // hash of data\n\n // Compute hash\n result := keccak256(memPtr, 128)\n }\n return result;\n }\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address)\n {\n address currentContextAddress_ = currentContextAddress;\n address contextAddress = currentContextAddress_ == address(0) ? msg.sender : currentContextAddress_;\n return contextAddress;\n }\n}\n", - "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibAbiEncoder.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MWrapperFunctions.sol\";\n\n\ncontract MixinWrapperFunctions is\n ReentrancyGuard,\n LibMath,\n LibFillResults,\n LibAbiEncoder,\n MExchangeCore,\n MWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrKillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n // Delegate to `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := delegatecall(\n gas, // forward all gas\n address, // call address of this contract\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrKillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n \n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public\n nonReentrant\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n cancelOrderInternal(orders[i]);\n }\n }\n\n /// @dev Fetches information for all passed in orders.\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n LibOrder.OrderInfo[] memory ordersInfo = new LibOrder.OrderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n ordersInfo[i] = getOrderInfo(orders[i]);\n }\n return ordersInfo;\n }\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n require(\n fillResults.takerAssetFilledAmount == takerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return fillResults;\n }\n}\n", - "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssetProxyDispatcher {\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external;\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IExchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./IExchangeCore.sol\";\nimport \"./IMatchOrders.sol\";\nimport \"./ISignatureValidator.sol\";\nimport \"./ITransactions.sol\";\nimport \"./IAssetProxyDispatcher.sol\";\nimport \"./IWrapperFunctions.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract IExchange is\n IExchangeCore,\n IMatchOrders,\n ISignatureValidator,\n ITransactions,\n IAssetProxyDispatcher,\n IWrapperFunctions\n{}\n", - "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IExchangeCore {\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external;\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrder(LibOrder.Order memory order)\n public;\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(LibOrder.Order memory order)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IMatchOrders {\n\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n}\n", - "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ISignatureValidator {\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external;\n \n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external;\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address of signer.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\n\ncontract ITransactions {\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external;\n}\n", - "2.0.0/protocol/Exchange/interfaces/IValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IValidator {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IWallet {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IWrapperFunctions {\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public;\n\n /// @dev Fetches information for all passed in orders\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory);\n}\n", - "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./LibOrder.sol\";\n\n\ncontract LibAbiEncoder {\n\n /// @dev ABI encodes calldata for `fillOrder`.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return ABI encoded calldata for `fillOrder`.\n function abiEncodeFillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n pure\n returns (bytes memory fillOrderCalldata)\n {\n // We need to call MExchangeCore.fillOrder using a delegatecall in\n // assembly so that we can intercept a call that throws. For this, we\n // need the input encoded in memory in the Ethereum ABIv2 format [1].\n\n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0x00 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 0x00 | | 1. offset to order (*) |\n // | | 0x20 | | 2. takerAssetFillAmount |\n // | | 0x40 | | 3. offset to signature (*) |\n // | Data | | 12 * 32 | order: |\n // | | 0x000 | | 1. senderAddress |\n // | | 0x020 | | 2. makerAddress |\n // | | 0x040 | | 3. takerAddress |\n // | | 0x060 | | 4. feeRecipientAddress |\n // | | 0x080 | | 5. makerAssetAmount |\n // | | 0x0A0 | | 6. takerAssetAmount |\n // | | 0x0C0 | | 7. makerFeeAmount |\n // | | 0x0E0 | | 8. takerFeeAmount |\n // | | 0x100 | | 9. expirationTimeSeconds |\n // | | 0x120 | | 10. salt |\n // | | 0x140 | | 11. Offset to makerAssetData (*) |\n // | | 0x160 | | 12. Offset to takerAssetData (*) |\n // | | 0x180 | 32 | makerAssetData Length |\n // | | 0x1A0 | ** | makerAssetData Contents |\n // | | 0x1C0 | 32 | takerAssetData Length |\n // | | 0x1E0 | ** | takerAssetData Contents |\n // | | 0x200 | 32 | signature Length |\n // | | 0x220 | ** | signature Contents |\n\n // * Offsets are calculated from the beginning of the current area: Header, Params, Data:\n // An offset stored in the Params area is calculated from the beginning of the Params section.\n // An offset stored in the Data area is calculated from the beginning of the Data section.\n\n // ** The length of dynamic array contents are stored in the field immediately preceeding the contents.\n\n // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html\n\n assembly {\n\n // Areas below may use the following variables:\n // 1. Start -- Start of this area in memory\n // 2. End -- End of this area in memory. This value may\n // be precomputed (before writing contents),\n // or it may be computed as contents are written.\n // 3. Offset -- Current offset into area. If an area's End\n // is precomputed, this variable tracks the\n // offsets of contents as they are written.\n\n /////// Setup Header Area ///////\n // Load free memory pointer\n fillOrderCalldata := mload(0x40)\n // bytes4(keccak256(\"fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)\"))\n // = 0xb4be83d5\n // Leave 0x20 bytes to store the length\n mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000)\n let headerAreaEnd := add(fillOrderCalldata, 0x24)\n\n /////// Setup Params Area ///////\n // This area is preallocated and written to later.\n // This is because we need to fill in offsets that have not yet been calculated.\n let paramsAreaStart := headerAreaEnd\n let paramsAreaEnd := add(paramsAreaStart, 0x60)\n let paramsAreaOffset := paramsAreaStart\n\n /////// Setup Data Area ///////\n let dataAreaStart := paramsAreaEnd\n let dataAreaEnd := dataAreaStart\n\n // Offset from the source data we're reading from\n let sourceOffset := order\n // arrayLenBytes and arrayLenWords track the length of a dynamically-allocated bytes array.\n let arrayLenBytes := 0\n let arrayLenWords := 0\n\n /////// Write order Struct ///////\n // Write memory location of Order, relative to the start of the\n // parameter list, then increment the paramsAreaOffset respectively.\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n // Write values for each field in the order\n // It would be nice to use a loop, but we save on gas by writing\n // the stores sequentially.\n mstore(dataAreaEnd, mload(sourceOffset)) // makerAddress\n mstore(add(dataAreaEnd, 0x20), mload(add(sourceOffset, 0x20))) // takerAddress\n mstore(add(dataAreaEnd, 0x40), mload(add(sourceOffset, 0x40))) // feeRecipientAddress\n mstore(add(dataAreaEnd, 0x60), mload(add(sourceOffset, 0x60))) // senderAddress\n mstore(add(dataAreaEnd, 0x80), mload(add(sourceOffset, 0x80))) // makerAssetAmount\n mstore(add(dataAreaEnd, 0xA0), mload(add(sourceOffset, 0xA0))) // takerAssetAmount\n mstore(add(dataAreaEnd, 0xC0), mload(add(sourceOffset, 0xC0))) // makerFeeAmount\n mstore(add(dataAreaEnd, 0xE0), mload(add(sourceOffset, 0xE0))) // takerFeeAmount\n mstore(add(dataAreaEnd, 0x100), mload(add(sourceOffset, 0x100))) // expirationTimeSeconds\n mstore(add(dataAreaEnd, 0x120), mload(add(sourceOffset, 0x120))) // salt\n mstore(add(dataAreaEnd, 0x140), mload(add(sourceOffset, 0x140))) // Offset to makerAssetData\n mstore(add(dataAreaEnd, 0x160), mload(add(sourceOffset, 0x160))) // Offset to takerAssetData\n dataAreaEnd := add(dataAreaEnd, 0x180)\n sourceOffset := add(sourceOffset, 0x180)\n\n // Write offset to \n mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x140)) // makerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Write offset to \n mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x160)) // takerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n /////// Write takerAssetFillAmount ///////\n mstore(paramsAreaOffset, takerAssetFillAmount)\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n /////// Write signature ///////\n // Write offset to paramsArea\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n\n // Calculate length of signature\n sourceOffset := signature\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of signature\n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of signature\n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Set length of calldata\n mstore(fillOrderCalldata, sub(dataAreaEnd, add(fillOrderCalldata, 0x20)))\n\n // Increment free memory pointer\n mstore(0x40, dataAreaEnd)\n }\n\n return fillOrderCalldata;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\n// solhint-disable max-line-length\ncontract LibConstants {\n \n // Asset data for ZRX token. Used for fee transfers.\n // @TODO: Hardcode constant when we deploy. Currently \n // not constant to make testing easier.\n\n // The proxyId for ZRX_ASSET_DATA is bytes4(keccak256(\"ERC20Token(address)\")) = 0xf47261b0\n \n // Kovan ZRX address is 0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570.\n // The ABI encoded proxyId and address is 0xf47261b00000000000000000000000006ff6c0ff1d68b964901f986d4c9fa3ac68346570\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x6f\\xf6\\xc0\\xff\\x1d\\x68\\xb9\\x64\\x90\\x1f\\x98\\x6d\\x4c\\x9f\\xa3\\xac\\x68\\x34\\x65\\x70\";\n \n // Mainnet ZRX address is 0xe41d2489571d322189246dafa5ebde1f4699f498.\n // The ABI encoded proxyId and address is 0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xe4\\x1d\\x24\\x89\\x57\\x1d\\x32\\x21\\x89\\x24\\x6d\\xaf\\xa5\\xeb\\xde\\x1f\\x46\\x99\\xf4\\x98\";\n \n // solhint-disable-next-line var-name-mixedcase\n bytes public ZRX_ASSET_DATA;\n\n // @TODO: Remove when we deploy.\n constructor (bytes memory zrxAssetData)\n public\n {\n ZRX_ASSET_DATA = zrxAssetData;\n }\n}\n// solhint-enable max-line-length\n", - "2.0.0/protocol/Exchange/libs/LibEIP712.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract LibEIP712 {\n\n // EIP191 header for EIP712 prefix\n string constant internal EIP191_HEADER = \"\\x19\\x01\";\n\n // EIP712 Domain Name value\n string constant internal EIP712_DOMAIN_NAME = \"0x Protocol\";\n\n // EIP712 Domain Version value\n string constant internal EIP712_DOMAIN_VERSION = \"2\";\n\n // Hash of the EIP712 Domain Separator Schema\n bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"EIP712Domain(\",\n \"string name,\",\n \"string version,\",\n \"address verifyingContract\",\n \")\"\n ));\n\n // Hash of the EIP712 Domain Separator data\n // solhint-disable-next-line var-name-mixedcase\n bytes32 public EIP712_DOMAIN_HASH;\n\n constructor ()\n public\n {\n EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(\n EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,\n keccak256(bytes(EIP712_DOMAIN_NAME)),\n keccak256(bytes(EIP712_DOMAIN_VERSION)),\n bytes32(address(this))\n ));\n }\n\n /// @dev Calculates EIP712 encoding for a hash struct in this EIP712 Domain.\n /// @param hashStruct The EIP712 hash struct.\n /// @return EIP712 hash applied to this EIP712 Domain.\n function hashEIP712Message(bytes32 hashStruct)\n internal\n view\n returns (bytes32 result)\n {\n bytes32 eip712DomainHash = EIP712_DOMAIN_HASH;\n\n // Assembly for more efficient computing:\n // keccak256(abi.encodePacked(\n // EIP191_HEADER,\n // EIP712_DOMAIN_HASH,\n // hashStruct \n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, 0x1901000000000000000000000000000000000000000000000000000000000000) // EIP191 header\n mstore(add(memPtr, 2), eip712DomainHash) // EIP712 domain hash\n mstore(add(memPtr, 34), hashStruct) // Hash of struct\n\n // Compute hash\n result := keccak256(memPtr, 66)\n }\n return result;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity 0.4.24;\n\n\n/// @dev This contract documents the revert reasons used in the Exchange contract.\n/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons.\ncontract LibExchangeErrors {\n\n /// Order validation errors ///\n string constant ORDER_UNFILLABLE = \"ORDER_UNFILLABLE\"; // Order cannot be filled.\n string constant INVALID_MAKER = \"INVALID_MAKER\"; // Invalid makerAddress.\n string constant INVALID_TAKER = \"INVALID_TAKER\"; // Invalid takerAddress.\n string constant INVALID_SENDER = \"INVALID_SENDER\"; // Invalid `msg.sender`.\n string constant INVALID_ORDER_SIGNATURE = \"INVALID_ORDER_SIGNATURE\"; // Signature validation failed. \n \n /// fillOrder validation errors ///\n string constant INVALID_TAKER_AMOUNT = \"INVALID_TAKER_AMOUNT\"; // takerAssetFillAmount cannot equal 0.\n string constant ROUNDING_ERROR = \"ROUNDING_ERROR\"; // Rounding error greater than 0.1% of takerAssetFillAmount. \n \n /// Signature validation errors ///\n string constant INVALID_SIGNATURE = \"INVALID_SIGNATURE\"; // Signature validation failed. \n string constant SIGNATURE_ILLEGAL = \"SIGNATURE_ILLEGAL\"; // Signature type is illegal.\n string constant SIGNATURE_UNSUPPORTED = \"SIGNATURE_UNSUPPORTED\"; // Signature type unsupported.\n \n /// cancelOrdersUptTo errors ///\n string constant INVALID_NEW_ORDER_EPOCH = \"INVALID_NEW_ORDER_EPOCH\"; // Specified salt must be greater than or equal to existing orderEpoch.\n\n /// fillOrKillOrder errors ///\n string constant COMPLETE_FILL_FAILED = \"COMPLETE_FILL_FAILED\"; // Desired takerAssetFillAmount could not be completely filled. \n\n /// matchOrders errors ///\n string constant NEGATIVE_SPREAD_REQUIRED = \"NEGATIVE_SPREAD_REQUIRED\"; // Matched orders must have a negative spread.\n\n /// Transaction errors ///\n string constant REENTRANCY_ILLEGAL = \"REENTRANCY_ILLEGAL\"; // Recursive reentrancy is not allowed. \n string constant INVALID_TX_HASH = \"INVALID_TX_HASH\"; // Transaction has already been executed. \n string constant INVALID_TX_SIGNATURE = \"INVALID_TX_SIGNATURE\"; // Signature validation failed. \n string constant FAILED_EXECUTION = \"FAILED_EXECUTION\"; // Transaction execution failed. \n \n /// registerAssetProxy errors ///\n string constant ASSET_PROXY_ALREADY_EXISTS = \"ASSET_PROXY_ALREADY_EXISTS\"; // AssetProxy with same id already exists.\n\n /// dispatchTransferFrom errors ///\n string constant ASSET_PROXY_DOES_NOT_EXIST = \"ASSET_PROXY_DOES_NOT_EXIST\"; // No assetProxy registered at given id.\n string constant TRANSFER_FAILED = \"TRANSFER_FAILED\"; // Asset transfer unsuccesful.\n\n /// Length validation errors ///\n string constant LENGTH_GREATER_THAN_0_REQUIRED = \"LENGTH_GREATER_THAN_0_REQUIRED\"; // Byte array must have a length greater than 0.\n string constant LENGTH_GREATER_THAN_3_REQUIRED = \"LENGTH_GREATER_THAN_3_REQUIRED\"; // Byte array must have a length greater than 3.\n string constant LENGTH_0_REQUIRED = \"LENGTH_0_REQUIRED\"; // Byte array must have a length of 0.\n string constant LENGTH_65_REQUIRED = \"LENGTH_65_REQUIRED\"; // Byte array must have a length of 65.\n}\n", - "2.0.0/protocol/Exchange/libs/LibFillResults.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibFillResults is\n SafeMath\n{\n struct FillResults {\n uint256 makerAssetFilledAmount; // Total amount of makerAsset(s) filled.\n uint256 takerAssetFilledAmount; // Total amount of takerAsset(s) filled.\n uint256 makerFeePaid; // Total amount of ZRX paid by maker(s) to feeRecipient(s).\n uint256 takerFeePaid; // Total amount of ZRX paid by taker to feeRecipients(s).\n }\n\n struct MatchedFillResults {\n FillResults left; // Amounts filled and fees paid of left order.\n FillResults right; // Amounts filled and fees paid of right order.\n uint256 leftMakerAssetSpreadAmount; // Spread between price of left and right order, denominated in the left order's makerAsset, paid to taker.\n }\n\n /// @dev Adds properties of both FillResults instances.\n /// Modifies the first FillResults instance specified.\n /// @param totalFillResults Fill results instance that will be added onto.\n /// @param singleFillResults Fill results instance that will be added to totalFillResults.\n function addFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)\n internal\n pure\n {\n totalFillResults.makerAssetFilledAmount = safeAdd(totalFillResults.makerAssetFilledAmount, singleFillResults.makerAssetFilledAmount);\n totalFillResults.takerAssetFilledAmount = safeAdd(totalFillResults.takerAssetFilledAmount, singleFillResults.takerAssetFilledAmount);\n totalFillResults.makerFeePaid = safeAdd(totalFillResults.makerFeePaid, singleFillResults.makerFeePaid);\n totalFillResults.takerFeePaid = safeAdd(totalFillResults.takerFeePaid, singleFillResults.takerFeePaid);\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibMath.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibMath is\n SafeMath\n{\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function safeGetPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorFloor(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function safeGetPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorCeil(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function getPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function getPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // The absolute rounding error is the difference between the rounded\n // value and the ideal value. The relative rounding error is the\n // absolute rounding error divided by the absolute value of the\n // ideal value. This is undefined when the ideal value is zero.\n //\n // The ideal value is `numerator * target / denominator`.\n // Let's call `numerator * target % denominator` the remainder.\n // The absolute error is `remainder / denominator`.\n //\n // When the ideal value is zero, we require the absolute error to\n // be zero. Fortunately, this is always the case. The ideal value is\n // zero iff `numerator == 0` and/or `target == 0`. In this case the\n // remainder and absolute error are also zero. \n if (target == 0 || numerator == 0) {\n return false;\n }\n \n // Otherwise, we want the relative rounding error to be strictly\n // less than 0.1%.\n // The relative error is `remainder / (numerator * target)`.\n // We want the relative error less than 1 / 1000:\n // remainder / (numerator * denominator) < 1 / 1000\n // or equivalently:\n // 1000 * remainder < numerator * target\n // so we have a rounding error iff:\n // 1000 * remainder >= numerator * target\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding up.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // See the comments in `isRoundingError`.\n if (target == 0 || numerator == 0) {\n // When either is zero, the ideal value and rounded value are zero\n // and there is no rounding error. (Although the relative error\n // is undefined.)\n return false;\n }\n // Compute remainder as before\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n remainder = safeSub(denominator, remainder) % denominator;\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibOrder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./LibEIP712.sol\";\n\n\ncontract LibOrder is\n LibEIP712\n{\n // Hash for the EIP712 Order Schema\n bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"Order(\",\n \"address makerAddress,\",\n \"address takerAddress,\",\n \"address feeRecipientAddress,\",\n \"address senderAddress,\",\n \"uint256 makerAssetAmount,\",\n \"uint256 takerAssetAmount,\",\n \"uint256 makerFee,\",\n \"uint256 takerFee,\",\n \"uint256 expirationTimeSeconds,\",\n \"uint256 salt,\",\n \"bytes makerAssetData,\",\n \"bytes takerAssetData\",\n \")\"\n ));\n\n // A valid order remains fillable until it is expired, fully filled, or cancelled.\n // An order's state is unaffected by external factors, like account balances.\n enum OrderStatus {\n INVALID, // Default value\n INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount\n INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount\n FILLABLE, // Order is fillable\n EXPIRED, // Order has already expired\n FULLY_FILLED, // Order is fully filled\n CANCELLED // Order has been cancelled\n }\n\n // solhint-disable max-line-length\n struct Order {\n address makerAddress; // Address that created the order. \n address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order. \n address feeRecipientAddress; // Address that will recieve fees when order is filled. \n address senderAddress; // Address that is allowed to call Exchange contract methods that affect this order. If set to 0, any address is allowed to call these methods.\n uint256 makerAssetAmount; // Amount of makerAsset being offered by maker. Must be greater than 0. \n uint256 takerAssetAmount; // Amount of takerAsset being bid on by maker. Must be greater than 0. \n uint256 makerFee; // Amount of ZRX paid to feeRecipient by maker when order is filled. If set to 0, no transfer of ZRX from maker to feeRecipient will be attempted.\n uint256 takerFee; // Amount of ZRX paid to feeRecipient by taker when order is filled. If set to 0, no transfer of ZRX from taker to feeRecipient will be attempted.\n uint256 expirationTimeSeconds; // Timestamp in seconds at which order expires. \n uint256 salt; // Arbitrary number to facilitate uniqueness of the order's hash. \n bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.\n bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.\n }\n // solhint-enable max-line-length\n\n struct OrderInfo {\n uint8 orderStatus; // Status that describes order's validity and fillability.\n bytes32 orderHash; // EIP712 hash of the order (see LibOrder.getOrderHash).\n uint256 orderTakerAssetFilledAmount; // Amount of order that has already been filled.\n }\n\n /// @dev Calculates Keccak-256 hash of the order.\n /// @param order The order structure.\n /// @return Keccak-256 EIP712 hash of the order.\n function getOrderHash(Order memory order)\n internal\n view\n returns (bytes32 orderHash)\n {\n orderHash = hashEIP712Message(hashOrder(order));\n return orderHash;\n }\n\n /// @dev Calculates EIP712 hash of the order.\n /// @param order The order structure.\n /// @return EIP712 hash of the order.\n function hashOrder(Order memory order)\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ORDER_SCHEMA_HASH;\n bytes32 makerAssetDataHash = keccak256(order.makerAssetData);\n bytes32 takerAssetDataHash = keccak256(order.takerAssetData);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ORDER_SCHEMA_HASH,\n // bytes32(order.makerAddress),\n // bytes32(order.takerAddress),\n // bytes32(order.feeRecipientAddress),\n // bytes32(order.senderAddress),\n // order.makerAssetAmount,\n // order.takerAssetAmount,\n // order.makerFee,\n // order.takerFee,\n // order.expirationTimeSeconds,\n // order.salt,\n // keccak256(order.makerAssetData),\n // keccak256(order.takerAssetData)\n // ));\n\n assembly {\n // Calculate memory addresses that will be swapped out before hashing\n let pos1 := sub(order, 32)\n let pos2 := add(order, 320)\n let pos3 := add(order, 352)\n\n // Backup\n let temp1 := mload(pos1)\n let temp2 := mload(pos2)\n let temp3 := mload(pos3)\n \n // Hash in place\n mstore(pos1, schemaHash)\n mstore(pos2, makerAssetDataHash)\n mstore(pos3, takerAssetDataHash)\n result := keccak256(pos1, 416)\n \n // Restore\n mstore(pos1, temp1)\n mstore(pos2, temp2)\n mstore(pos3, temp3)\n }\n return result;\n }\n}\n", - "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssetProxyDispatcher.sol\";\n\n\ncontract MAssetProxyDispatcher is\n IAssetProxyDispatcher\n{\n // Logs registration of new asset proxy\n event AssetProxyRegistered(\n bytes4 id, // Id of new registered AssetProxy.\n address assetProxy // Address of new registered AssetProxy.\n );\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal;\n}\n", - "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IExchangeCore.sol\";\n\n\ncontract MExchangeCore is\n IExchangeCore\n{\n // Fill event is emitted whenever an order is filled.\n event Fill(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that received fees.\n address takerAddress, // Address that filled the order.\n address senderAddress, // Address that called the Exchange contract (msg.sender).\n uint256 makerAssetFilledAmount, // Amount of makerAsset sold by maker and bought by taker. \n uint256 takerAssetFilledAmount, // Amount of takerAsset sold by taker and bought by maker.\n uint256 makerFeePaid, // Amount of ZRX paid to feeRecipient by maker.\n uint256 takerFeePaid, // Amount of ZRX paid to feeRecipient by taker.\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // Cancel event is emitted whenever an individual order is cancelled.\n event Cancel(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that would have recieved fees if order was filled. \n address senderAddress, // Address that called the Exchange contract (msg.sender).\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // CancelUpTo event is emitted whenever `cancelOrdersUpTo` is executed succesfully.\n event CancelUpTo(\n address indexed makerAddress, // Orders cancelled must have been created by this address.\n address indexed senderAddress, // Orders cancelled must have a `senderAddress` equal to this address.\n uint256 orderEpoch // Orders with specified makerAddress and senderAddress with a salt less than this value are considered cancelled.\n );\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrderInternal(LibOrder.Order memory order)\n internal;\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function updateFilledState(\n LibOrder.Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n LibFillResults.FillResults memory fillResults\n )\n internal;\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n LibOrder.Order memory order,\n bytes32 orderHash\n )\n internal;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo Status, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view;\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo\n )\n internal\n view;\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n LibOrder.Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.FillResults memory fillResults);\n\n}\n", - "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IMatchOrders.sol\";\n\n\ncontract MMatchOrders is\n IMatchOrders\n{\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure;\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n\n}\n", - "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/ISignatureValidator.sol\";\n\n\ncontract MSignatureValidator is\n ISignatureValidator\n{\n event SignatureValidatorApproval(\n address indexed signerAddress, // Address that approves or disapproves a contract to verify signatures.\n address indexed validatorAddress, // Address of signature validator contract.\n bool approved // Approval or disapproval of validator contract.\n );\n\n // Allowed signature types.\n enum SignatureType {\n Illegal, // 0x00, default value\n Invalid, // 0x01\n EIP712, // 0x02\n EthSign, // 0x03\n Wallet, // 0x04\n Validator, // 0x05\n PreSigned, // 0x06\n NSignatureTypes // 0x07, number of signature types. Always leave at end.\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/mixins/MTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"../interfaces/ITransactions.sol\";\n\n\ncontract MTransactions is\n ITransactions\n{\n // Hash for the EIP712 ZeroEx Transaction Schema\n bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"ZeroExTransaction(\",\n \"uint256 salt,\",\n \"address signerAddress,\",\n \"bytes data\",\n \")\"\n ));\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result);\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address);\n}\n", - "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IWrapperFunctions.sol\";\n\n\ncontract MWrapperFunctions is \n IWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n}\n", - "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/MintableERC20Token.sol\";\n\n\ncontract DummyERC20Token is \n Ownable,\n MintableERC20Token\n{\n string public name;\n string public symbol;\n uint256 public decimals;\n uint256 public constant MAX_MINT_AMOUNT = 10000000000000000000000;\n\n constructor (\n string _name,\n string _symbol,\n uint256 _decimals,\n uint256 _totalSupply\n )\n public\n {\n name = _name;\n symbol = _symbol;\n decimals = _decimals;\n _totalSupply = _totalSupply;\n balances[msg.sender] = _totalSupply;\n }\n\n /// @dev Sets the balance of target address\n /// @param _target Address or which balance will be updated\n /// @param _value New balance of target address\n function setBalance(address _target, uint256 _value)\n external\n onlyOwner\n {\n uint256 currBalance = balances[_target];\n if (_value < currBalance) {\n _totalSupply = safeSub(_totalSupply, safeSub(currBalance, _value));\n } else {\n _totalSupply = safeAdd(_totalSupply, safeSub(_value, currBalance));\n }\n balances[_target] = _value;\n }\n\n /// @dev Mints new tokens for sender\n /// @param _value Amount of tokens to mint\n function mint(uint256 _value)\n external\n {\n require(\n _value <= MAX_MINT_AMOUNT,\n \"VALUE_TOO_LARGE\"\n );\n\n _mint(msg.sender, _value);\n }\n}\n", - "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../tokens/ERC721Token/MintableERC721Token.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract DummyERC721Token is\n Ownable,\n MintableERC721Token\n{\n string public name;\n string public symbol;\n\n constructor (\n string _name,\n string _symbol\n )\n public\n {\n name = _name;\n symbol = _symbol;\n }\n\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function mint(address _to, uint256 _tokenId)\n external\n {\n _mint(_to, _tokenId);\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist or not called by contract owner\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function burn(address _owner, uint256 _tokenId)\n external\n onlyOwner\n {\n _burn(_owner, _tokenId);\n }\n}\n", - "2.0.0/tokens/ERC20Token/ERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC20Token.sol\";\n\n\ncontract ERC20Token is\n IERC20Token\n{\n mapping (address => uint256) internal balances;\n mapping (address => mapping (address => uint256)) internal allowed;\n\n uint256 internal _totalSupply;\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool)\n {\n require(\n balances[msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[msg.sender] -= _value;\n balances[_to] += _value;\n\n emit Transfer(\n msg.sender,\n _to,\n _value\n );\n\n return true;\n }\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowed[_from][msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n allowed[_from][msg.sender] -= _value;\n \n emit Transfer(\n _from,\n _to,\n _value\n );\n \n return true;\n }\n\n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool)\n {\n allowed[msg.sender][_spender] = _value;\n emit Approval(\n msg.sender,\n _spender,\n _value\n );\n return true;\n }\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256)\n {\n return _totalSupply;\n }\n\n /// @dev Query the balance of owner\n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n return balances[_owner];\n }\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256)\n {\n return allowed[_owner][_spender];\n }\n}\n", - "2.0.0/tokens/ERC20Token/IERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n \n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n \n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", - "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/SafeMath/SafeMath.sol\";\nimport \"./UnlimitedAllowanceERC20Token.sol\";\n\n\ncontract MintableERC20Token is \n SafeMath,\n UnlimitedAllowanceERC20Token\n{\n /// @dev Mints new tokens\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _value Amount of tokens to mint\n function _mint(address _to, uint256 _value)\n internal\n {\n balances[_to] = safeAdd(_value, balances[_to]);\n _totalSupply = safeAdd(_totalSupply, _value);\n\n emit Transfer(\n address(0),\n _to,\n _value\n );\n }\n\n /// @dev Mints new tokens\n /// @param _owner Owner of tokens that will be burned\n /// @param _value Amount of tokens to burn\n function _burn(address _owner, uint256 _value)\n internal\n {\n balances[_owner] = safeSub(balances[_owner], _value);\n _totalSupply = safeSub(_totalSupply, _value);\n\n emit Transfer(\n _owner,\n address(0),\n _value\n );\n }\n}\n", - "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/ERC20Token.sol\";\n\n\ncontract UnlimitedAllowanceERC20Token is\n ERC20Token\n{\n uint256 constant internal MAX_UINT = 2**256 - 1;\n\n /// @dev ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited allowance. See https://github.com/ethereum/EIPs/issues/717\n /// @param _from Address to transfer from.\n /// @param _to Address to transfer to.\n /// @param _value Amount to transfer.\n /// @return Success of transfer.\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n uint256 allowance = allowed[_from][msg.sender];\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowance >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n if (allowance < MAX_UINT) {\n allowed[_from][msg.sender] -= _value;\n }\n\n emit Transfer(\n _from,\n _to,\n _value\n );\n\n return true;\n }\n}\n", - "2.0.0/tokens/ERC721Token/ERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC721Token.sol\";\nimport \"./IERC721Receiver.sol\";\nimport \"../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract ERC721Token is\n IERC721Token,\n SafeMath\n{\n // Function selector for ERC721Receiver.onERC721Received\n // 0x150b7a02\n bytes4 constant internal ERC721_RECEIVED = bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"));\n\n // Mapping of tokenId => owner\n mapping (uint256 => address) internal owners;\n\n // Mapping of tokenId => approved address\n mapping (uint256 => address) internal approvals;\n\n // Mapping of owner => number of tokens owned\n mapping (address => uint256) internal balances;\n\n // Mapping of owner => operator => approved\n mapping (address => mapping (address => bool)) internal operatorApprovals;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n _data\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n \"\"\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external\n {\n address owner = ownerOf(_tokenId);\n require(\n msg.sender == owner || isApprovedForAll(owner, msg.sender),\n \"ERC721_INVALID_SENDER\"\n );\n\n approvals[_tokenId] = _approved;\n emit Approval(\n owner,\n _approved,\n _tokenId\n );\n }\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external\n {\n operatorApprovals[msg.sender][_operator] = _approved;\n emit ApprovalForAll(\n msg.sender,\n _operator,\n _approved\n );\n }\n \n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return balances[_owner];\n }\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = ownerOf(_tokenId);\n require(\n _from == owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n address spender = msg.sender;\n address approvedAddress = getApproved(_tokenId);\n require(\n spender == owner ||\n isApprovedForAll(owner, spender) ||\n approvedAddress == spender,\n \"ERC721_INVALID_SPENDER\"\n );\n\n if (approvedAddress != address(0)) {\n approvals[_tokenId] = address(0);\n }\n\n owners[_tokenId] = _to;\n balances[_from] = safeSub(balances[_from], 1);\n balances[_to] = safeAdd(balances[_to], 1);\n \n emit Transfer(\n _from,\n _to,\n _tokenId\n );\n }\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address)\n {\n address owner = owners[_tokenId];\n require(\n owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return owner;\n }\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId)\n public\n view\n returns (address)\n {\n return approvals[_tokenId];\n }\n\n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool)\n {\n return operatorApprovals[_owner][_operator];\n }\n}\n", - "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Receiver {\n\n /// @notice Handle the receipt of an NFT\n /// @dev The ERC721 smart contract calls this function on the recipient\n /// after a `transfer`. This function MAY throw to revert and reject the\n /// transfer. Return of other than the magic value MUST result in the\n /// transaction being reverted.\n /// Note: the contract address is always the message sender.\n /// @param _operator The address which called `safeTransferFrom` function\n /// @param _from The address which previously owned the token\n /// @param _tokenId The NFT identifier which is being transferred\n /// @param _data Additional data with no specified format\n /// @return `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`\n /// unless throwing\n function onERC721Received(\n address _operator,\n address _from,\n uint256 _tokenId,\n bytes _data\n )\n external\n returns (bytes4);\n}\n", - "2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Token {\n\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(\n address indexed _owner,\n address indexed _approved,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(\n address indexed _owner,\n address indexed _operator,\n bool _approved\n );\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// perator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external;\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public;\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address);\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) \n public\n view\n returns (address);\n \n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool);\n}\n", - "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./ERC721Token.sol\";\n\n\ncontract MintableERC721Token is\n ERC721Token\n{\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function _mint(address _to, uint256 _tokenId)\n internal\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == address(0),\n \"ERC721_OWNER_ALREADY_EXISTS\"\n );\n\n owners[_tokenId] = _to;\n balances[_to] = safeAdd(balances[_to], 1);\n\n emit Transfer(\n address(0),\n _to,\n _tokenId\n );\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function _burn(address _owner, uint256 _tokenId)\n internal\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == _owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n owners[_tokenId] = address(0);\n balances[_owner] = safeSub(balances[_owner], 1);\n\n emit Transfer(\n _owner,\n address(0),\n _tokenId\n );\n }\n}\n", - "2.0.0/tokens/EtherToken/IEtherToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/IERC20Token.sol\";\n\n\ncontract IEtherToken is\n IERC20Token\n{\n function deposit()\n public\n payable;\n \n function withdraw(uint256 amount)\n public;\n}\n", - "2.0.0/utils/LibBytes/LibBytes.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\nlibrary LibBytes {\n\n using LibBytes for bytes;\n\n /// @dev Gets the memory address for a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of byte array. This\n /// points to the header of the byte array which contains\n /// the length.\n function rawAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := input\n }\n return memoryAddress;\n }\n \n /// @dev Gets the memory address for the contents of a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of the contents of the byte array.\n function contentAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := add(input, 32)\n }\n return memoryAddress;\n }\n\n /// @dev Copies `length` bytes from memory location `source` to `dest`.\n /// @param dest memory address to copy bytes to.\n /// @param source memory address to copy bytes from.\n /// @param length number of bytes to copy.\n function memCopy(\n uint256 dest,\n uint256 source,\n uint256 length\n )\n internal\n pure\n {\n if (length < 32) {\n // Handle a partial word by reading destination and masking\n // off the bits we are interested in.\n // This correctly handles overlap, zero lengths and source == dest\n assembly {\n let mask := sub(exp(256, sub(32, length)), 1)\n let s := and(mload(source), not(mask))\n let d := and(mload(dest), mask)\n mstore(dest, or(s, d))\n }\n } else {\n // Skip the O(length) loop when source == dest.\n if (source == dest) {\n return;\n }\n\n // For large copies we copy whole words at a time. The final\n // word is aligned to the end of the range (instead of after the\n // previous) to handle partial words. So a copy will look like this:\n //\n // ####\n // ####\n // ####\n // ####\n //\n // We handle overlap in the source and destination range by\n // changing the copying direction. This prevents us from\n // overwriting parts of source that we still need to copy.\n //\n // This correctly handles source == dest\n //\n if (source > dest) {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because it\n // is easier to compare with in the loop, and these\n // are also the addresses we need for copying the\n // last bytes.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the last 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the last bytes in\n // source already due to overlap.\n let last := mload(sEnd)\n\n // Copy whole words front to back\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} lt(source, sEnd) {} {\n mstore(dest, mload(source))\n source := add(source, 32)\n dest := add(dest, 32)\n }\n \n // Write the last 32 bytes\n mstore(dEnd, last)\n }\n } else {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because those\n // are the starting points when copying a word at the end.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the first 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the first bytes in\n // source already due to overlap.\n let first := mload(source)\n\n // Copy whole words back to front\n // We use a signed comparisson here to allow dEnd to become\n // negative (happens when source and dest < 32). Valid\n // addresses in local memory will never be larger than\n // 2**255, so they can be safely re-interpreted as signed.\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} slt(dest, dEnd) {} {\n mstore(dEnd, mload(sEnd))\n sEnd := sub(sEnd, 32)\n dEnd := sub(dEnd, 32)\n }\n \n // Write the first 32 bytes\n mstore(dest, first)\n }\n }\n }\n }\n\n /// @dev Returns a slices from a byte array.\n /// @param b The byte array to take a slice from.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n function slice(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure and copy contents\n result = new bytes(to - from);\n memCopy(\n result.contentAddress(),\n b.contentAddress() + from,\n result.length\n );\n return result;\n }\n \n /// @dev Returns a slice from a byte array without preserving the input.\n /// @param b The byte array to take a slice from. Will be destroyed in the process.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n /// @dev When `from == 0`, the original array will match the slice. In other cases its state will be corrupted.\n function sliceDestructive(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure around [from, to) in-place.\n assembly {\n result := add(b, from)\n mstore(result, sub(to, from))\n }\n return result;\n }\n\n /// @dev Pops the last byte off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The byte that was popped off.\n function popLastByte(bytes memory b)\n internal\n pure\n returns (bytes1 result)\n {\n require(\n b.length > 0,\n \"GREATER_THAN_ZERO_LENGTH_REQUIRED\"\n );\n\n // Store last byte.\n result = b[b.length - 1];\n\n assembly {\n // Decrement length of byte array.\n let newLen := sub(mload(b), 1)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Pops the last 20 bytes off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The 20 byte address that was popped off.\n function popLast20Bytes(bytes memory b)\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= 20,\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Store last 20 bytes.\n result = readAddress(b, b.length - 20);\n\n assembly {\n // Subtract 20 from byte array length.\n let newLen := sub(mload(b), 20)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Tests equality of two byte arrays.\n /// @param lhs First byte array to compare.\n /// @param rhs Second byte array to compare.\n /// @return True if arrays are the same. False otherwise.\n function equals(\n bytes memory lhs,\n bytes memory rhs\n )\n internal\n pure\n returns (bool equal)\n {\n // Keccak gas cost is 30 + numWords * 6. This is a cheap way to compare.\n // We early exit on unequal lengths, but keccak would also correctly\n // handle this.\n return lhs.length == rhs.length && keccak256(lhs) == keccak256(rhs);\n }\n\n /// @dev Reads an address from a position in a byte array.\n /// @param b Byte array containing an address.\n /// @param index Index in byte array of address.\n /// @return address from byte array.\n function readAddress(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Read address from array memory\n assembly {\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 20-byte mask to obtain address\n result := and(mload(add(b, index)), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n return result;\n }\n\n /// @dev Writes an address into a specific position in a byte array.\n /// @param b Byte array to insert address into.\n /// @param index Index in byte array of address.\n /// @param input Address to put into byte array.\n function writeAddress(\n bytes memory b,\n uint256 index,\n address input\n )\n internal\n pure\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Store address into array memory\n assembly {\n // The address occupies 20 bytes and mstore stores 32 bytes.\n // First fetch the 32-byte word where we'll be storing the address, then\n // apply a mask so we have only the bytes in the word that the address will not occupy.\n // Then combine these bytes with the address and store the 32 bytes back to memory with mstore.\n\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 12-byte mask to obtain extra bytes occupying word of memory where we'll store the address\n let neighbors := and(\n mload(add(b, index)),\n 0xffffffffffffffffffffffff0000000000000000000000000000000000000000\n )\n \n // Make sure input address is clean.\n // (Solidity does not guarantee this)\n input := and(input, 0xffffffffffffffffffffffffffffffffffffffff)\n\n // Store the neighbors and address into memory\n mstore(add(b, index), xor(input, neighbors))\n }\n }\n\n /// @dev Reads a bytes32 value from a position in a byte array.\n /// @param b Byte array containing a bytes32 value.\n /// @param index Index in byte array of bytes32 value.\n /// @return bytes32 value from byte array.\n function readBytes32(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes32 result)\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n result := mload(add(b, index))\n }\n return result;\n }\n\n /// @dev Writes a bytes32 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes32 to put into byte array.\n function writeBytes32(\n bytes memory b,\n uint256 index,\n bytes32 input\n )\n internal\n pure\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n mstore(add(b, index), input)\n }\n }\n\n /// @dev Reads a uint256 value from a position in a byte array.\n /// @param b Byte array containing a uint256 value.\n /// @param index Index in byte array of uint256 value.\n /// @return uint256 value from byte array.\n function readUint256(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (uint256 result)\n {\n result = uint256(readBytes32(b, index));\n return result;\n }\n\n /// @dev Writes a uint256 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input uint256 to put into byte array.\n function writeUint256(\n bytes memory b,\n uint256 index,\n uint256 input\n )\n internal\n pure\n {\n writeBytes32(b, index, bytes32(input));\n }\n\n /// @dev Reads an unpadded bytes4 value from a position in a byte array.\n /// @param b Byte array containing a bytes4 value.\n /// @param index Index in byte array of bytes4 value.\n /// @return bytes4 value from byte array.\n function readBytes4(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes4 result)\n {\n require(\n b.length >= index + 4,\n \"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 32 byte length field\n index += 32;\n\n // Read the bytes4 from array memory\n assembly {\n result := mload(add(b, index))\n // Solidity does not require us to clean the trailing bytes.\n // We do it anyway\n result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)\n }\n return result;\n }\n\n /// @dev Reads nested bytes from a specific position.\n /// @dev NOTE: the returned value overlaps with the input value.\n /// Both should be treated as immutable.\n /// @param b Byte array containing nested bytes.\n /// @param index Index of nested bytes.\n /// @return result Nested bytes.\n function readBytesWithLength(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes memory result)\n {\n // Read length of nested bytes\n uint256 nestedBytesLength = readUint256(b, index);\n index += 32;\n\n // Assert length of is valid, given\n // length of nested bytes\n require(\n b.length >= index + nestedBytesLength,\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n \n // Return a pointer to the byte array as it exists inside `b`\n assembly {\n result := add(b, index)\n }\n return result;\n }\n\n /// @dev Inserts bytes at a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes to insert.\n function writeBytesWithLength(\n bytes memory b,\n uint256 index,\n bytes memory input\n )\n internal\n pure\n {\n // Assert length of is valid, given\n // length of input\n require(\n b.length >= index + 32 + input.length, // 32 bytes to store length\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n\n // Copy into \n memCopy(\n b.contentAddress() + index,\n input.rawAddress(), // includes length of \n input.length + 32 // +32 bytes to store length\n );\n }\n\n /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length.\n /// @param dest Byte array that will be overwritten with source bytes.\n /// @param source Byte array to copy onto dest bytes.\n function deepCopyBytes(\n bytes memory dest,\n bytes memory source\n )\n internal\n pure\n {\n uint256 sourceLen = source.length;\n // Dest length must be >= source length, or some bytes would not be copied.\n require(\n dest.length >= sourceLen,\n \"GREATER_OR_EQUAL_TO_SOURCE_BYTES_LENGTH_REQUIRED\"\n );\n memCopy(\n dest.contentAddress(),\n source.contentAddress(),\n sourceLen\n );\n }\n}\n", - "2.0.0/utils/Ownable/IOwnable.sol": "pragma solidity 0.4.24;\n\n\ncontract IOwnable {\n\n function transferOwnership(address newOwner)\n public;\n}\n", - "2.0.0/utils/Ownable/Ownable.sol": "pragma solidity 0.4.24;\n\nimport \"./IOwnable.sol\";\n\n\ncontract Ownable is\n IOwnable\n{\n address public owner;\n\n constructor ()\n public\n {\n owner = msg.sender;\n }\n\n modifier onlyOwner() {\n require(\n msg.sender == owner,\n \"ONLY_CONTRACT_OWNER\"\n );\n _;\n }\n\n function transferOwnership(address newOwner)\n public\n onlyOwner\n {\n if (newOwner != address(0)) {\n owner = newOwner;\n }\n }\n}\n", - "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ReentrancyGuard {\n\n // Locked state of mutex\n bool private locked = false;\n\n /// @dev Functions with this modifer cannot be reentered. The mutex will be locked\n /// before function execution and unlocked after.\n modifier nonReentrant() {\n // Ensure mutex is unlocked\n require(\n !locked,\n \"REENTRANCY_ILLEGAL\"\n );\n\n // Lock mutex before function call\n locked = true;\n\n // Perform function call\n _;\n\n // Unlock mutex after function call\n locked = false;\n }\n}\n", - "2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n\n function safeMul(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(\n c / a == b,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function safeDiv(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a / b;\n return c;\n }\n\n function safeSub(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n require(\n b <= a,\n \"UINT256_UNDERFLOW\"\n );\n return a - b;\n }\n\n function safeAdd(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a + b;\n require(\n c >= a,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function max64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n\n function max256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n}\n" - }, - "sourceTreeHashHex": "0x93eec0587c0db8b68951a9c0c348c14e22831361b7fe38bb2d29a09ad670e10d", - "compiler": { - "name": "solc", - "version": "soljson-v0.4.24+commit.e67f0147.js", - "settings": { - "optimizer": { - "enabled": true, - "runs": 1000000 - }, - "outputSelection": { - "*": { - "*": [ - "abi", - "evm.bytecode.object", - "evm.bytecode.sourceMap", - "evm.deployedBytecode.object", - "evm.deployedBytecode.sourceMap" - ] - } - } - } - }, - "networks": { - "3": { - "address": "0xe654aac058bfbf9f83fcaee7793311dd82f6ddb4", - "links": {}, - "constructorArgs": "[]" - }, - "42": { - "address": "0x2a9127c745688a165106c11cd4d647d2220af821", - "links": {}, - "constructorArgs": "[]" - }, - "50": { - "address": "0x1d7022f5b17d2f8b695918fb48fa1089c9f85401", - "links": {}, - "constructorArgs": "[]" - } - } -} diff --git a/packages/migrations/artifacts/2.0.0-beta-testnet/ERC721Token.json b/packages/migrations/artifacts/2.0.0-beta-testnet/ERC721Token.json deleted file mode 100644 index ceb374730..000000000 --- a/packages/migrations/artifacts/2.0.0-beta-testnet/ERC721Token.json +++ /dev/null @@ -1,565 +0,0 @@ -{ - "schemaVersion": "2.0.0", - "contractName": "ERC721Token", - "compilerOutput": { - "abi": [ - { - "constant": true, - "inputs": [ - { - "name": "_tokenId", - "type": "uint256" - } - ], - "name": "getApproved", - "outputs": [ - { - "name": "", - "type": "address" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "_approved", - "type": "address" - }, - { - "name": "_tokenId", - "type": "uint256" - } - ], - "name": "approve", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "_from", - "type": "address" - }, - { - "name": "_to", - "type": "address" - }, - { - "name": "_tokenId", - "type": "uint256" - } - ], - "name": "transferFrom", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "_from", - "type": "address" - }, - { - "name": "_to", - "type": "address" - }, - { - "name": "_tokenId", - "type": "uint256" - } - ], - "name": "safeTransferFrom", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "_tokenId", - "type": "uint256" - } - ], - "name": "ownerOf", - "outputs": [ - { - "name": "", - "type": "address" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "_owner", - "type": "address" - } - ], - "name": "balanceOf", - "outputs": [ - { - "name": "", - "type": "uint256" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "_operator", - "type": "address" - }, - { - "name": "_approved", - "type": "bool" - } - ], - "name": "setApprovalForAll", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "_from", - "type": "address" - }, - { - "name": "_to", - "type": "address" - }, - { - "name": "_tokenId", - "type": "uint256" - }, - { - "name": "_data", - "type": "bytes" - } - ], - "name": "safeTransferFrom", - "outputs": [], - "payable": false, - 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DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x17 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F53454C4543544F52000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP2 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP1 ISZERO ISZERO PUSH2 0x9A2 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F4F574E4552000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND ISZERO ISZERO PUSH2 0xA2E JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F4F574E4552000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD SWAP1 JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP1 DUP6 MSTORE SWAP1 DUP4 MSTORE SWAP3 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND DUP7 ISZERO ISZERO SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP2 MLOAD SWAP1 DUP2 MSTORE SWAP1 MLOAD SWAP3 SWAP4 SWAP3 PUSH32 0x17307EAB39AB6107E8899845AD3D59BD9653F200F220920489CA2B5937696C31 SWAP3 SWAP2 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0xAFE DUP8 DUP8 DUP8 PUSH2 0x3E4 JUMP JUMPDEST DUP6 EXTCODESIZE SWAP2 POP PUSH1 0x0 DUP3 GT ISZERO PUSH2 0xCCB JUMPI PUSH1 0x40 MLOAD PUSH32 0x150B7A0200000000000000000000000000000000000000000000000000000000 DUP2 MSTORE CALLER PUSH1 0x4 DUP3 ADD DUP2 DUP2 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP11 DUP2 AND PUSH1 0x24 DUP6 ADD MSTORE PUSH1 0x44 DUP5 ADD DUP10 SWAP1 MSTORE PUSH1 0x80 PUSH1 0x64 DUP6 ADD SWAP1 DUP2 MSTORE PUSH1 0x84 DUP6 ADD DUP9 SWAP1 MSTORE SWAP1 DUP11 AND SWAP4 PUSH4 0x150B7A02 SWAP4 SWAP3 DUP13 SWAP3 DUP12 SWAP3 DUP12 SWAP3 DUP12 SWAP3 SWAP1 SWAP2 PUSH1 0xA4 ADD DUP5 DUP5 DUP1 DUP3 DUP5 CALLDATACOPY DUP3 ADD SWAP2 POP POP SWAP7 POP POP POP POP POP POP POP PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0xBB2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0xBC6 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x20 DUP2 LT ISZERO PUSH2 0xBDC JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP MLOAD PUSH1 0x40 DUP1 MLOAD PUSH32 0x6F6E455243373231526563656976656428616464726573732C61646472657373 DUP2 MSTORE PUSH32 0x2C75696E743235362C6279746573290000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x2F ADD SWAP1 KECCAK256 SWAP1 SWAP2 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP1 DUP4 AND SWAP2 AND EQ PUSH2 0xCCB JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x17 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F53454C4543544F52000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP POP POP POP POP POP POP JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP2 DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP4 SWAP1 SWAP5 AND DUP3 MSTORE SWAP2 SWAP1 SWAP2 MSTORE KECCAK256 SLOAD PUSH1 0xFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 GT ISZERO PUSH2 0xD80 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F554E444552464C4F57000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP SWAP1 SUB SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 ADD DUP4 DUP2 LT ISZERO PUSH2 0xDFA JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST SWAP4 SWAP3 POP POP POP JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 PUSH20 0x18C14C91209A554964C5F972B95A90FE384DD7DD SWAP7 0xcc REVERT MOD MULMOD SLOAD 0x4e PUSH5 0x39C3C90029 ", - "sourceMap": "712:8295:56:-;;;;8:9:-1;5:2;;;30:1;27;20:12;5:2;712:8295:56;;;;;;;" - }, - "deployedBytecode": { - "linkReferences": {}, - "object": 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- "opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0x98 JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x81812FC DUP2 EQ PUSH2 0x9D JUMPI DUP1 PUSH4 0x95EA7B3 EQ PUSH2 0xDE JUMPI DUP1 PUSH4 0x23B872DD EQ PUSH2 0x111 JUMPI DUP1 PUSH4 0x42842E0E EQ PUSH2 0x148 JUMPI DUP1 PUSH4 0x6352211E EQ PUSH2 0x17F JUMPI DUP1 PUSH4 0x70A08231 EQ PUSH2 0x197 JUMPI DUP1 PUSH4 0xA22CB465 EQ PUSH2 0x1D7 JUMPI DUP1 PUSH4 0xB88D4FDE EQ PUSH2 0x20A JUMPI DUP1 PUSH4 0xE985E9C5 EQ PUSH2 0x250 JUMPI JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xA9 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xB5 PUSH1 0x4 CALLDATALOAD PUSH2 0x298 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xEA JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x10F PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x2C0 JUMP JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x11D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x10F PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x3E4 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x154 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x10F PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x744 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x18B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xB5 PUSH1 0x4 CALLDATALOAD PUSH2 0x90F JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1A3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1C5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x9A8 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1E3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x10F PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD ISZERO ISZERO PUSH2 0xA57 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x216 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x10F PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 DUP1 CALLDATALOAD DUP3 AND SWAP2 PUSH1 0x24 DUP1 CALLDATALOAD SWAP1 SWAP2 AND SWAP2 PUSH1 0x44 CALLDATALOAD SWAP2 PUSH1 0x64 CALLDATALOAD SWAP1 DUP2 ADD SWAP2 ADD CALLDATALOAD PUSH2 0xAF0 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x25C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x284 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0xCD4 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x2CB DUP3 PUSH2 0x90F JUMP JUMPDEST SWAP1 POP CALLER PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND EQ DUP1 PUSH2 0x2F6 JUMPI POP PUSH2 0x2F6 DUP2 CALLER PUSH2 0xCD4 JUMP JUMPDEST ISZERO ISZERO PUSH2 0x363 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F53454E4445520000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 DUP2 AND SWAP2 DUP3 OR SWAP1 SWAP3 SSTORE SWAP2 MLOAD DUP6 SWAP4 SWAP2 DUP6 AND SWAP2 PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 SWAP2 LOG4 POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP6 AND ISZERO ISZERO PUSH2 0x46C JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F544F5F4144445245535300000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH2 0x475 DUP5 PUSH2 0x90F JUMP JUMPDEST SWAP3 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 DUP2 AND SWAP1 DUP5 AND EQ PUSH2 0x4FE JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F4F574E45525F4D49534D415443480000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST CALLER SWAP2 POP PUSH2 0x50A DUP5 PUSH2 0x298 JUMP JUMPDEST SWAP1 POP DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ DUP1 PUSH2 0x54B JUMPI POP PUSH2 0x54B DUP4 DUP4 PUSH2 0xCD4 JUMP JUMPDEST DUP1 PUSH2 0x581 JUMPI POP DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ JUMPDEST ISZERO ISZERO PUSH2 0x5EE JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F5350454E44455200000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0x63F JUMPI PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND SWAP1 SSTORE JUMPDEST PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP11 DUP2 AND SWAP2 SWAP1 SWAP2 OR SWAP1 SWAP2 SSTORE DUP10 AND DUP4 MSTORE PUSH1 0x2 SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 SLOAD PUSH2 0x6A8 SWAP1 PUSH1 0x1 PUSH2 0xD0F JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP9 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 SWAP4 SWAP1 SWAP4 SSTORE SWAP1 DUP8 AND DUP2 MSTORE KECCAK256 SLOAD PUSH2 0x6E5 SWAP1 PUSH1 0x1 PUSH2 0xD86 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP8 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 SWAP5 SWAP1 SWAP5 SSTORE SWAP3 MLOAD DUP8 SWAP4 SWAP2 SWAP3 DUP11 AND SWAP2 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP2 LOG4 POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0x752 DUP6 DUP6 DUP6 PUSH2 0x3E4 JUMP JUMPDEST DUP4 EXTCODESIZE SWAP2 POP PUSH1 0x0 DUP3 GT ISZERO PUSH2 0x908 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x150B7A0200000000000000000000000000000000000000000000000000000000 DUP2 MSTORE CALLER PUSH1 0x4 DUP3 ADD MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 DUP2 AND PUSH1 0x24 DUP4 ADD MSTORE PUSH1 0x44 DUP3 ADD DUP7 SWAP1 MSTORE PUSH1 0x80 PUSH1 0x64 DUP4 ADD MSTORE PUSH1 0x0 PUSH1 0x84 DUP4 ADD DUP2 SWAP1 MSTORE SWAP3 MLOAD SWAP1 DUP8 AND SWAP3 PUSH4 0x150B7A02 SWAP3 PUSH1 0xC4 DUP1 DUP3 ADD SWAP4 PUSH1 0x20 SWAP4 SWAP1 SWAP3 DUP4 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 DUP3 SWAP1 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x7EF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x803 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x20 DUP2 LT ISZERO PUSH2 0x819 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP MLOAD PUSH1 0x40 DUP1 MLOAD PUSH32 0x6F6E455243373231526563656976656428616464726573732C61646472657373 DUP2 MSTORE PUSH32 0x2C75696E743235362C6279746573290000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x2F ADD SWAP1 KECCAK256 SWAP1 SWAP2 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP1 DUP4 AND SWAP2 AND EQ PUSH2 0x908 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x17 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F53454C4543544F52000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP2 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP1 ISZERO ISZERO PUSH2 0x9A2 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F4F574E4552000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND ISZERO ISZERO PUSH2 0xA2E JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F4F574E4552000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD SWAP1 JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP1 DUP6 MSTORE SWAP1 DUP4 MSTORE SWAP3 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND DUP7 ISZERO ISZERO SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP2 MLOAD SWAP1 DUP2 MSTORE SWAP1 MLOAD SWAP3 SWAP4 SWAP3 PUSH32 0x17307EAB39AB6107E8899845AD3D59BD9653F200F220920489CA2B5937696C31 SWAP3 SWAP2 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0xAFE DUP8 DUP8 DUP8 PUSH2 0x3E4 JUMP JUMPDEST DUP6 EXTCODESIZE SWAP2 POP PUSH1 0x0 DUP3 GT ISZERO PUSH2 0xCCB JUMPI PUSH1 0x40 MLOAD PUSH32 0x150B7A0200000000000000000000000000000000000000000000000000000000 DUP2 MSTORE CALLER PUSH1 0x4 DUP3 ADD DUP2 DUP2 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP11 DUP2 AND PUSH1 0x24 DUP6 ADD MSTORE PUSH1 0x44 DUP5 ADD DUP10 SWAP1 MSTORE PUSH1 0x80 PUSH1 0x64 DUP6 ADD SWAP1 DUP2 MSTORE PUSH1 0x84 DUP6 ADD DUP9 SWAP1 MSTORE SWAP1 DUP11 AND SWAP4 PUSH4 0x150B7A02 SWAP4 SWAP3 DUP13 SWAP3 DUP12 SWAP3 DUP12 SWAP3 DUP12 SWAP3 SWAP1 SWAP2 PUSH1 0xA4 ADD DUP5 DUP5 DUP1 DUP3 DUP5 CALLDATACOPY DUP3 ADD SWAP2 POP POP SWAP7 POP POP POP POP POP POP POP PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0xBB2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0xBC6 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x20 DUP2 LT ISZERO PUSH2 0xBDC JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP MLOAD PUSH1 0x40 DUP1 MLOAD PUSH32 0x6F6E455243373231526563656976656428616464726573732C61646472657373 DUP2 MSTORE PUSH32 0x2C75696E743235362C6279746573290000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x2F ADD SWAP1 KECCAK256 SWAP1 SWAP2 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP1 DUP4 AND SWAP2 AND EQ PUSH2 0xCCB JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x17 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F53454C4543544F52000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP POP POP POP POP POP POP JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP2 DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP4 SWAP1 SWAP5 AND DUP3 MSTORE SWAP2 SWAP1 SWAP2 MSTORE KECCAK256 SLOAD PUSH1 0xFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 GT ISZERO PUSH2 0xD80 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F554E444552464C4F57000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP SWAP1 SUB SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 ADD DUP4 DUP2 LT ISZERO PUSH2 0xDFA JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST SWAP4 SWAP3 POP POP POP JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 PUSH20 0x18C14C91209A554964C5F972B95A90FE384DD7DD SWAP7 0xcc REVERT MOD MULMOD SLOAD 0x4e PUSH5 0x39C3C90029 ", - "sourceMap": 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"2.0.0/protocol/AssetProxy/ERC20Proxy.sol": { - "id": 14 - }, - "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": { - "id": 15 - }, - "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": { - "id": 16 - }, - "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": { - "id": 17 - }, - "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": { - "id": 18 - }, - "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": { - "id": 19 - }, - "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": { - "id": 20 - }, - "2.0.0/protocol/Exchange/Exchange.sol": { - "id": 21 - }, - "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": { - "id": 22 - }, - "2.0.0/protocol/Exchange/MixinExchangeCore.sol": { - "id": 23 - }, - "2.0.0/protocol/Exchange/MixinMatchOrders.sol": { - "id": 24 - }, - "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": { - "id": 25 - }, - "2.0.0/protocol/Exchange/MixinTransactions.sol": { - "id": 26 - }, - "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": { - "id": 27 - }, - "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": { - "id": 28 - }, - "2.0.0/protocol/Exchange/interfaces/IExchange.sol": { - "id": 29 - }, - "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": { - "id": 30 - }, - "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": { - "id": 31 - }, - "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": { - "id": 32 - }, - "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": { - "id": 33 - }, - "2.0.0/protocol/Exchange/interfaces/IValidator.sol": { - "id": 34 - }, - "2.0.0/protocol/Exchange/interfaces/IWallet.sol": { - "id": 35 - }, - "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": { - "id": 36 - }, - "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": { - "id": 37 - }, - "2.0.0/protocol/Exchange/libs/LibConstants.sol": { - "id": 38 - }, - "2.0.0/protocol/Exchange/libs/LibEIP712.sol": { - "id": 39 - }, - "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": { - "id": 40 - }, - "2.0.0/protocol/Exchange/libs/LibFillResults.sol": { - "id": 41 - }, - "2.0.0/protocol/Exchange/libs/LibMath.sol": { - "id": 42 - }, - "2.0.0/protocol/Exchange/libs/LibOrder.sol": { - "id": 43 - }, - "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": { - "id": 44 - }, - "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": { - "id": 45 - }, - "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": { - "id": 46 - }, - "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": { - "id": 47 - }, - "2.0.0/protocol/Exchange/mixins/MTransactions.sol": { - "id": 48 - }, - "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": { - "id": 49 - }, - "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": { - "id": 50 - }, - "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": { - "id": 51 - }, - "2.0.0/tokens/ERC20Token/ERC20Token.sol": { - "id": 52 - }, - "2.0.0/tokens/ERC20Token/IERC20Token.sol": { - "id": 53 - }, - "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": { - "id": 54 - }, - "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": { - "id": 55 - }, - "2.0.0/tokens/ERC721Token/ERC721Token.sol": { - "id": 56 - }, - "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": { - "id": 57 - }, - "2.0.0/tokens/ERC721Token/IERC721Token.sol": { - "id": 58 - }, - "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": { - "id": 59 - }, - "2.0.0/tokens/EtherToken/IEtherToken.sol": { - "id": 60 - }, - "2.0.0/utils/LibBytes/LibBytes.sol": { - "id": 61 - }, - "2.0.0/utils/Ownable/IOwnable.sol": { - "id": 62 - }, - "2.0.0/utils/Ownable/Ownable.sol": { - "id": 63 - }, - "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": { - "id": 64 - }, - "2.0.0/utils/SafeMath/SafeMath.sol": { - "id": 65 - } - }, - "sourceCodes": { - "2.0.0/extensions/Forwarder/Forwarder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinWeth.sol\";\nimport \"./MixinForwarderCore.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinAssets.sol\";\nimport \"./MixinExchangeWrapper.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Forwarder is\n LibConstants,\n MixinWeth,\n MixinAssets,\n MixinExchangeWrapper,\n MixinForwarderCore\n{\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n LibConstants(\n _exchange,\n _zrxAssetData,\n _wethAssetData\n )\n MixinForwarderCore()\n {}\n}\n", - "2.0.0/extensions/Forwarder/MixinAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MAssets.sol\";\n\n\ncontract MixinAssets is\n Ownable,\n LibConstants,\n MAssets\n{\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256(\"transfer(address,uint256)\"));\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external\n onlyOwner\n {\n transferAssetToSender(assetData, amount);\n }\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n bytes4 proxyId = assetData.readBytes4(0);\n\n if (proxyId == ERC20_DATA_ID) {\n transferERC20Token(assetData, amount);\n } else if (proxyId == ERC721_DATA_ID) {\n transferERC721Token(assetData, amount);\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n }\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n address token = assetData.readAddress(16);\n\n // Transfer tokens.\n // We do a raw call so we can check the success separate\n // from the return data.\n bool success = token.call(abi.encodeWithSelector(\n ERC20_TRANSFER_SELECTOR,\n msg.sender,\n amount\n ));\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n \n // Check return data.\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // value that evaluates to true.\n assembly {\n if returndatasize {\n success := 0\n if eq(returndatasize, 32) {\n // First 64 bytes of memory are reserved scratch space\n returndatacopy(0, 0, 32)\n success := mload(0)\n }\n }\n }\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n }\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n require(\n amount == 1,\n \"INVALID_AMOUNT\"\n );\n // Decode asset data.\n address token = assetData.readAddress(16);\n uint256 tokenId = assetData.readUint256(36);\n\n // Perform transfer.\n IERC721Token(token).transferFrom(\n address(this),\n msg.sender,\n tokenId\n );\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"../../protocol/Exchange/libs/LibAbiEncoder.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinExchangeWrapper is\n LibAbiEncoder,\n LibFillResults,\n LibMath,\n LibConstants,\n MExchangeWrapper\n{\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n address exchange = address(EXCHANGE);\n\n // Call `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := call(\n gas, // forward all gas\n exchange, // call address of Exchange contract\n 0, // transfer 0 wei\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of WETH to sell\n uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of WETH\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount;\n if (makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n\n require(\n makerAssetFilledAmount >= makerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n // Do nothing if zrxBuyAmount == 0\n if (zrxBuyAmount == 0) {\n return totalFillResults;\n }\n\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n uint256 zrxPurchased = 0;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // All of these are ZRX/WETH, so we can drop the respective assetData from calldata.\n orders[i].makerAssetData = zrxAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of ZRX to buy.\n uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased);\n\n // Convert the remaining amount of ZRX to buy into remaining amount\n // of WETH to sell, assuming entire amount can be sold in the current order.\n uint256 remainingWethSellAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees \n remainingZrxBuyAmount\n );\n\n // Attempt to sell the remaining amount of WETH.\n FillResults memory singleFillResult = fillOrderNoThrow(\n orders[i],\n safeAdd(remainingWethSellAmount, 1), // we add 1 wei to the fill amount to make up for rounding errors\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker.\n addFillResults(totalFillResults, singleFillResult);\n zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid);\n\n // Stop execution if the entire amount of ZRX has been bought.\n if (zrxPurchased >= zrxBuyAmount) {\n break;\n }\n }\n\n require(\n zrxPurchased >= zrxBuyAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\nimport \"./mixins/MAssets.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"./interfaces/IForwarderCore.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinForwarderCore is\n LibFillResults,\n LibMath,\n LibConstants,\n MWeth,\n MAssets,\n MExchangeWrapper,\n IForwarderCore\n{\n using LibBytes for bytes;\n\n /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf.\n constructor ()\n public\n {\n address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID);\n require(\n proxyAddress != address(0),\n \"UNREGISTERED_ASSET_PROXY\"\n );\n ETHER_TOKEN.approve(proxyAddress, MAX_UINT);\n ZRX_TOKEN.approve(proxyAddress, MAX_UINT);\n }\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 wethSellAmount;\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // Calculate amount of WETH that won't be spent on ETH fees.\n wethSellAmount = getPartialAmountFloor(\n PERCENTAGE_DENOMINATOR,\n safeAdd(PERCENTAGE_DENOMINATOR, feePercentage),\n msg.value\n );\n // Market sell available WETH.\n // ZRX fees are paid with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // 5% of WETH is reserved for filling feeOrders and paying feeRecipient.\n wethSellAmount = getPartialAmountFloor(\n MAX_WETH_FILL_PERCENTAGE,\n PERCENTAGE_DENOMINATOR,\n msg.value\n );\n // Market sell 95% of WETH.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // If the makerAsset is ZRX, it is not necessary to pay fees out of this\n // contracts's ZRX balance because fees are factored into the price of the order.\n orderFillResults = marketBuyExactZrxWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // Attemp to purchase desired amount of makerAsset.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketBuyExactAmountWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\n\n\ncontract MixinWeth is\n LibMath,\n LibConstants,\n MWeth\n{\n /// @dev Default payabale function, this allows us to withdraw WETH\n function ()\n public\n payable\n {\n require(\n msg.sender == address(ETHER_TOKEN),\n \"DEFAULT_FUNCTION_WETH_CONTRACT_ONLY\"\n );\n }\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal\n {\n require(\n msg.value > 0,\n \"INVALID_MSG_VALUE\"\n );\n ETHER_TOKEN.deposit.value(msg.value)();\n }\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal\n {\n // Ensure feePercentage is less than 5%.\n require(\n feePercentage <= MAX_FEE_PERCENTAGE,\n \"FEE_PERCENTAGE_TOO_LARGE\"\n );\n\n // Ensure that no extra WETH owned by this contract has been sold.\n uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx);\n require(\n wethSold <= msg.value,\n \"OVERSOLD_WETH\"\n );\n\n // Calculate amount of WETH that hasn't been sold.\n uint256 wethRemaining = safeSub(msg.value, wethSold);\n\n // Calculate ETH fee to pay to feeRecipient.\n uint256 ethFee = getPartialAmountFloor(\n feePercentage,\n PERCENTAGE_DENOMINATOR,\n wethSoldExcludingFeeOrders\n );\n\n // Ensure fee is less than amount of WETH remaining.\n require(\n ethFee <= wethRemaining,\n \"INSUFFICIENT_ETH_REMAINING\"\n );\n \n // Do nothing if no WETH remaining\n if (wethRemaining > 0) {\n // Convert remaining WETH to ETH\n ETHER_TOKEN.withdraw(wethRemaining);\n\n // Pay ETH to feeRecipient\n if (ethFee > 0) {\n feeRecipient.transfer(ethFee);\n }\n\n // Refund remaining ETH to msg.sender.\n uint256 ethRefund = safeSub(wethRemaining, ethFee);\n if (ethRefund > 0) {\n msg.sender.transfer(ethRefund);\n }\n }\n }\n}\n", - "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssets {\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external;\n}\n", - "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract IForwarderCore {\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n}\n", - "2.0.0/extensions/Forwarder/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/LibBytes/LibBytes.sol\";\nimport \"../../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../../tokens/EtherToken/IEtherToken.sol\";\nimport \"../../../tokens/ERC20Token/IERC20Token.sol\";\n\n\ncontract LibConstants {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n uint256 constant internal MAX_UINT = 2**256 - 1;\n uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; \n uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5%\n uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95%\n \n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n IEtherToken internal ETHER_TOKEN;\n IERC20Token internal ZRX_TOKEN;\n bytes internal ZRX_ASSET_DATA;\n bytes internal WETH_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n WETH_ASSET_DATA = _wethAssetData;\n\n address etherToken = _wethAssetData.readAddress(16);\n address zrxToken = _zrxAssetData.readAddress(16);\n ETHER_TOKEN = IEtherToken(etherToken);\n ZRX_TOKEN = IERC20Token(zrxToken);\n }\n}\n", - "2.0.0/extensions/Forwarder/mixins/MAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssets.sol\";\n\n\ncontract MAssets is\n IAssets\n{\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n}\n", - "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract MExchangeWrapper {\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n}\n", - "2.0.0/extensions/Forwarder/mixins/MWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract MWeth {\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal;\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal;\n}\n", - "2.0.0/extensions/OrderValidator/OrderValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract OrderValidator {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n struct TraderInfo {\n uint256 makerBalance; // Maker's balance of makerAsset\n uint256 makerAllowance; // Maker's allowance to corresponding AssetProxy\n uint256 takerBalance; // Taker's balance of takerAsset\n uint256 takerAllowance; // Taker's allowance to corresponding AssetProxy\n uint256 makerZrxBalance; // Maker's balance of ZRX\n uint256 makerZrxAllowance; // Maker's allowance of ZRX to ERC20Proxy\n uint256 takerZrxBalance; // Taker's balance of ZRX\n uint256 takerZrxAllowance; // Taker's allowance of ZRX to ERC20Proxy\n }\n\n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n bytes internal ZRX_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (address _exchange, bytes memory _zrxAssetData)\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n }\n\n /// @dev Fetches information for order and maker/taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return OrderInfo and TraderInfo instances for given order.\n function getOrderAndTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo, TraderInfo memory traderInfo)\n {\n orderInfo = EXCHANGE.getOrderInfo(order);\n traderInfo = getTraderInfo(order, takerAddress);\n return (orderInfo, traderInfo);\n }\n\n /// @dev Fetches information for all passed in orders and the makers/takers of each order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Arrays of OrderInfo and TraderInfo instances that correspond to each order.\n function getOrdersAndTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (LibOrder.OrderInfo[] memory ordersInfo, TraderInfo[] memory tradersInfo)\n {\n ordersInfo = EXCHANGE.getOrdersInfo(orders);\n tradersInfo = getTradersInfo(orders, takerAddresses);\n return (ordersInfo, tradersInfo);\n }\n\n /// @dev Fetches balance and allowances for maker and taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return Balances and allowances of maker and taker of order.\n function getTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (TraderInfo memory traderInfo)\n {\n (traderInfo.makerBalance, traderInfo.makerAllowance) = getBalanceAndAllowance(order.makerAddress, order.makerAssetData);\n (traderInfo.takerBalance, traderInfo.takerAllowance) = getBalanceAndAllowance(takerAddress, order.takerAssetData);\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n (traderInfo.makerZrxBalance, traderInfo.makerZrxAllowance) = getBalanceAndAllowance(order.makerAddress, zrxAssetData);\n (traderInfo.takerZrxBalance, traderInfo.takerZrxAllowance) = getBalanceAndAllowance(takerAddress, zrxAssetData);\n return traderInfo;\n }\n\n /// @dev Fetches balances and allowances of maker and taker for each provided order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Array of balances and allowances for maker and taker of each order.\n function getTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (TraderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n TraderInfo[] memory tradersInfo = new TraderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n tradersInfo[i] = getTraderInfo(orders[i], takerAddresses[i]);\n }\n return tradersInfo;\n }\n\n /// @dev Fetches token balances and allowances of an address to given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Encoded data that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balance of asset and allowance set to given proxy of asset.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalanceAndAllowance(address target, bytes memory assetData)\n public\n view\n returns (uint256 balance, uint256 allowance)\n {\n bytes4 assetProxyId = assetData.readBytes4(0);\n address token = assetData.readAddress(16);\n address assetProxy = EXCHANGE.getAssetProxy(assetProxyId);\n\n if (assetProxyId == ERC20_DATA_ID) {\n // Query balance\n balance = IERC20Token(token).balanceOf(target);\n\n // Query allowance\n allowance = IERC20Token(token).allowance(target, assetProxy);\n } else if (assetProxyId == ERC721_DATA_ID) {\n uint256 tokenId = assetData.readUint256(36);\n\n // Query owner of tokenId\n address owner = getERC721TokenOwner(token, tokenId);\n\n // Set balance to 1 if tokenId is owned by target\n balance = target == owner ? 1 : 0;\n\n // Check if ERC721Proxy is approved to spend tokenId\n bool isApproved = IERC721Token(token).isApprovedForAll(target, assetProxy) || IERC721Token(token).getApproved(tokenId) == assetProxy;\n \n // Set alowance to 1 if ERC721Proxy is approved to spend tokenId\n allowance = isApproved ? 1 : 0;\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n return (balance, allowance);\n }\n\n /// @dev Fetches token balances and allowances of an address for each given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Array of encoded byte arrays that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balances and allowances of assets.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalancesAndAllowances(address target, bytes[] memory assetData)\n public\n view\n returns (uint256[] memory, uint256[] memory)\n {\n uint256 length = assetData.length;\n uint256[] memory balances = new uint256[](length);\n uint256[] memory allowances = new uint256[](length);\n for (uint256 i = 0; i != length; i++) {\n (balances[i], allowances[i]) = getBalanceAndAllowance(target, assetData[i]);\n }\n return (balances, allowances);\n }\n\n /// @dev Calls `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token.\n /// @param token Address of ERC721 token.\n /// @param tokenId The identifier for the specific NFT.\n /// @return Owner of tokenId or null address if unowned.\n function getERC721TokenOwner(address token, uint256 tokenId)\n public\n view\n returns (address owner)\n {\n assembly {\n // load free memory pointer\n let cdStart := mload(64)\n\n // bytes4(keccak256(ownerOf(uint256))) = 0x6352211e\n mstore(cdStart, 0x6352211e00000000000000000000000000000000000000000000000000000000)\n mstore(add(cdStart, 4), tokenId)\n\n // staticcall `ownerOf(tokenId)`\n // `ownerOf` will revert if tokenId is not owned\n let success := staticcall(\n gas, // forward all gas\n token, // call token contract\n cdStart, // start of calldata\n 36, // length of input is 36 bytes\n cdStart, // write output over input\n 32 // size of output is 32 bytes\n )\n\n // Success implies that tokenId is owned\n // Copy owner from return data if successful\n if success {\n owner := mload(cdStart)\n } \n }\n\n // Owner initialized to address(0), no need to modify if call is unsuccessful\n return owner;\n }\n}\n", - "2.0.0/multisig/MultiSigWallet.sol": "// solhint-disable\npragma solidity ^0.4.15;\n\n\n/// @title Multisignature wallet - Allows multiple parties to agree on transactions before execution.\n/// @author Stefan George - \ncontract MultiSigWallet {\n\n /*\n * Events\n */\n event Confirmation(address indexed sender, uint indexed transactionId);\n event Revocation(address indexed sender, uint indexed transactionId);\n event Submission(uint indexed transactionId);\n event Execution(uint indexed transactionId);\n event ExecutionFailure(uint indexed transactionId);\n event Deposit(address indexed sender, uint value);\n event OwnerAddition(address indexed owner);\n event OwnerRemoval(address indexed owner);\n event RequirementChange(uint required);\n\n /*\n * Constants\n */\n uint constant public MAX_OWNER_COUNT = 50;\n\n /*\n * Storage\n */\n mapping (uint => Transaction) public transactions;\n mapping (uint => mapping (address => bool)) public confirmations;\n mapping (address => bool) public isOwner;\n address[] public owners;\n uint public required;\n uint public transactionCount;\n\n struct Transaction {\n address destination;\n uint value;\n bytes data;\n bool executed;\n }\n\n /*\n * Modifiers\n */\n modifier onlyWallet() {\n require(msg.sender == address(this));\n _;\n }\n\n modifier ownerDoesNotExist(address owner) {\n require(!isOwner[owner]);\n _;\n }\n\n modifier ownerExists(address owner) {\n require(isOwner[owner]);\n _;\n }\n\n modifier transactionExists(uint transactionId) {\n require(transactions[transactionId].destination != 0);\n _;\n }\n\n modifier confirmed(uint transactionId, address owner) {\n require(confirmations[transactionId][owner]);\n _;\n }\n\n modifier notConfirmed(uint transactionId, address owner) {\n require(!confirmations[transactionId][owner]);\n _;\n }\n\n modifier notExecuted(uint transactionId) {\n require(!transactions[transactionId].executed);\n _;\n }\n\n modifier notNull(address _address) {\n require(_address != 0);\n _;\n }\n\n modifier validRequirement(uint ownerCount, uint _required) {\n require(ownerCount <= MAX_OWNER_COUNT\n && _required <= ownerCount\n && _required != 0\n && ownerCount != 0);\n _;\n }\n\n /// @dev Fallback function allows to deposit ether.\n function()\n payable\n {\n if (msg.value > 0)\n Deposit(msg.sender, msg.value);\n }\n\n /*\n * Public functions\n */\n /// @dev Contract constructor sets initial owners and required number of confirmations.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n function MultiSigWallet(address[] _owners, uint _required)\n public\n validRequirement(_owners.length, _required)\n {\n for (uint i=0; i<_owners.length; i++) {\n require(!isOwner[_owners[i]] && _owners[i] != 0);\n isOwner[_owners[i]] = true;\n }\n owners = _owners;\n required = _required;\n }\n\n /// @dev Allows to add a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of new owner.\n function addOwner(address owner)\n public\n onlyWallet\n ownerDoesNotExist(owner)\n notNull(owner)\n validRequirement(owners.length + 1, required)\n {\n isOwner[owner] = true;\n owners.push(owner);\n OwnerAddition(owner);\n }\n\n /// @dev Allows to remove an owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner.\n function removeOwner(address owner)\n public\n onlyWallet\n ownerExists(owner)\n {\n isOwner[owner] = false;\n for (uint i=0; i owners.length)\n changeRequirement(owners.length);\n OwnerRemoval(owner);\n }\n\n /// @dev Allows to replace an owner with a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner to be replaced.\n /// @param newOwner Address of new owner.\n function replaceOwner(address owner, address newOwner)\n public\n onlyWallet\n ownerExists(owner)\n ownerDoesNotExist(newOwner)\n {\n for (uint i=0; i\n// solhint-disable not-rely-on-time\ncontract MultiSigWalletWithTimeLock is\n MultiSigWallet\n{\n event ConfirmationTimeSet(uint256 indexed transactionId, uint256 confirmationTime);\n event TimeLockChange(uint256 secondsTimeLocked);\n\n uint256 public secondsTimeLocked;\n\n mapping (uint256 => uint256) public confirmationTimes;\n\n modifier notFullyConfirmed(uint256 transactionId) {\n require(\n !isConfirmed(transactionId),\n \"TX_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier fullyConfirmed(uint256 transactionId) {\n require(\n isConfirmed(transactionId),\n \"TX_NOT_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier pastTimeLock(uint256 transactionId) {\n require(\n block.timestamp >= confirmationTimes[transactionId] + secondsTimeLocked,\n \"TIME_LOCK_INCOMPLETE\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations, and time lock.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] _owners,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWallet(_owners, _required)\n {\n secondsTimeLocked = _secondsTimeLocked;\n }\n\n /// @dev Changes the duration of the time lock for transactions.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n function changeTimeLock(uint256 _secondsTimeLocked)\n public\n onlyWallet\n {\n secondsTimeLocked = _secondsTimeLocked;\n emit TimeLockChange(_secondsTimeLocked);\n }\n\n /// @dev Allows an owner to confirm a transaction.\n /// @param transactionId Transaction ID.\n function confirmTransaction(uint256 transactionId)\n public\n ownerExists(msg.sender)\n transactionExists(transactionId)\n notConfirmed(transactionId, msg.sender)\n notFullyConfirmed(transactionId)\n {\n confirmations[transactionId][msg.sender] = true;\n emit Confirmation(msg.sender, transactionId);\n if (isConfirmed(transactionId)) {\n setConfirmationTime(transactionId, block.timestamp);\n }\n }\n\n /// @dev Allows anyone to execute a confirmed transaction.\n /// @param transactionId Transaction ID.\n function executeTransaction(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n pastTimeLock(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n\n /// @dev Sets the time of when a submission first passed.\n function setConfirmationTime(uint256 transactionId, uint256 confirmationTime)\n internal\n {\n confirmationTimes[transactionId] = confirmationTime;\n emit ConfirmationTimeSet(transactionId, confirmationTime);\n }\n}\n", - "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC20Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n \n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 1 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n\n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. amount |\n\n /////// Read token address from calldata ///////\n // * The token address is stored in `assetData`.\n //\n // * The \"offset to assetData\" is stored at offset 4 in the calldata (table 1).\n // [assetDataOffsetFromParams = calldataload(4)]\n //\n // * Notes that the \"offset to assetData\" is relative to the \"Params\" area of calldata;\n // add 4 bytes to account for the length of the \"Header\" area (table 1).\n // [assetDataOffsetFromHeader = assetDataOffsetFromParams + 4]\n //\n // * The \"token address\" is offset 32+4=36 bytes into \"assetData\" (tables 1 & 2).\n // [tokenOffset = assetDataOffsetFromHeader + 36 = calldataload(4) + 4 + 36]\n let token := calldataload(add(calldataload(4), 40))\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from`, `to` and `amount` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 96)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output over input\n 32 // output size should be 32 bytes\n )\n\n /////// Check return data. ///////\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // nonzero 32 bytes value.\n // So the transfer succeeded if the call succeeded and either\n // returned nothing, or returned a non-zero 32 byte value. \n success := and(success, or(\n iszero(returndatasize),\n and(\n eq(returndatasize, 32),\n gt(mload(0), 0)\n )\n ))\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", - "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC721Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 2 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n // | | 36 | | 2. tokenId |\n \n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. tokenId |\n\n // There exists only 1 of each token.\n // require(amount == 1, \"INVALID_AMOUNT\")\n if sub(calldataload(100), 1) {\n // Revert with `Error(\"INVALID_AMOUNT\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from` and `to` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 64)\n\n // Copy `tokenId` field from our own calldata to the new calldata.\n let assetDataOffset := calldataload(4)\n calldatacopy(68, add(assetDataOffset, 72), 32)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let token := calldataload(add(assetDataOffset, 40))\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output to null\n 0 // output size is 0 bytes\n )\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", - "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAuthorizable.sol\";\n\n\ncontract MixinAuthorizable is\n Ownable,\n MAuthorizable\n{\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized {\n require(\n authorized[msg.sender],\n \"SENDER_NOT_AUTHORIZED\"\n );\n _;\n }\n\n mapping (address => bool) public authorized;\n address[] public authorities;\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n !authorized[target],\n \"TARGET_ALREADY_AUTHORIZED\"\n );\n\n authorized[target] = true;\n authorities.push(target);\n emit AuthorizedAddressAdded(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n\n delete authorized[target];\n for (uint256 i = 0; i < authorities.length; i++) {\n if (authorities[i] == target) {\n authorities[i] = authorities[authorities.length - 1];\n authorities.length -= 1;\n break;\n }\n }\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n require(\n index < authorities.length,\n \"INDEX_OUT_OF_BOUNDS\"\n );\n require(\n authorities[index] == target,\n \"AUTHORIZED_ADDRESS_MISMATCH\"\n );\n\n delete authorized[target];\n authorities[index] = authorities[authorities.length - 1];\n authorities.length -= 1;\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory)\n {\n return authorities;\n }\n}\n", - "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IAuthorizable.sol\";\n\n\ncontract IAssetProxy is\n IAuthorizable\n{\n /// @dev Transfers assets. Either succeeds or throws.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n function transferFrom(\n bytes assetData,\n address from,\n address to,\n uint256 amount\n )\n external;\n \n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4);\n}\n", - "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/Ownable/IOwnable.sol\";\n\n\ncontract IAuthorizable is\n IOwnable\n{\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external;\n \n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory);\n}\n", - "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAuthorizable.sol\";\n\n\ncontract MAuthorizable is\n IAuthorizable\n{\n // Event logged when a new address is authorized.\n event AuthorizedAddressAdded(\n address indexed target,\n address indexed caller\n );\n\n // Event logged when a currently authorized address is unauthorized.\n event AuthorizedAddressRemoved(\n address indexed target,\n address indexed caller\n );\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized { revert(); _; }\n}\n", - "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../multisig/MultiSigWalletWithTimeLock.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract AssetProxyOwner is\n MultiSigWalletWithTimeLock\n{\n using LibBytes for bytes;\n\n event AssetProxyRegistration(address assetProxyContract, bool isRegistered);\n\n // Mapping of AssetProxy contract address =>\n // if this contract is allowed to call the AssetProxy's `removeAuthorizedAddressAtIndex` method without a time lock.\n mapping (address => bool) public isAssetProxyRegistered;\n\n bytes4 constant internal REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR = bytes4(keccak256(\"removeAuthorizedAddressAtIndex(address,uint256)\"));\n\n /// @dev Function will revert if the transaction does not call `removeAuthorizedAddressAtIndex`\n /// on an approved AssetProxy contract.\n modifier validRemoveAuthorizedAddressAtIndexTx(uint256 transactionId) {\n Transaction storage txn = transactions[transactionId];\n require(\n isAssetProxyRegistered[txn.destination],\n \"UNREGISTERED_ASSET_PROXY\"\n );\n require(\n txn.data.readBytes4(0) == REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR,\n \"INVALID_FUNCTION_SELECTOR\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations,\n /// time lock, and list of AssetProxy addresses.\n /// @param _owners List of initial owners.\n /// @param _assetProxyContracts Array of AssetProxy contract addresses.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] memory _owners,\n address[] memory _assetProxyContracts,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWalletWithTimeLock(_owners, _required, _secondsTimeLocked)\n {\n for (uint256 i = 0; i < _assetProxyContracts.length; i++) {\n address assetProxy = _assetProxyContracts[i];\n require(\n assetProxy != address(0),\n \"INVALID_ASSET_PROXY\"\n );\n isAssetProxyRegistered[assetProxy] = true;\n }\n }\n\n /// @dev Registers or deregisters an AssetProxy to be able to execute\n /// `removeAuthorizedAddressAtIndex` without a timelock.\n /// @param assetProxyContract Address of AssetProxy contract.\n /// @param isRegistered Status of approval for AssetProxy contract.\n function registerAssetProxy(address assetProxyContract, bool isRegistered)\n public\n onlyWallet\n notNull(assetProxyContract)\n {\n isAssetProxyRegistered[assetProxyContract] = isRegistered;\n emit AssetProxyRegistration(assetProxyContract, isRegistered);\n }\n\n /// @dev Allows execution of `removeAuthorizedAddressAtIndex` without time lock.\n /// @param transactionId Transaction ID.\n function executeRemoveAuthorizedAddressAtIndex(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n validRemoveAuthorizedAddressAtIndexTx(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n}\n", - "2.0.0/protocol/Exchange/Exchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinExchangeCore.sol\";\nimport \"./MixinSignatureValidator.sol\";\nimport \"./MixinWrapperFunctions.sol\";\nimport \"./MixinAssetProxyDispatcher.sol\";\nimport \"./MixinTransactions.sol\";\nimport \"./MixinMatchOrders.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Exchange is\n MixinExchangeCore,\n MixinMatchOrders,\n MixinSignatureValidator,\n MixinTransactions,\n MixinAssetProxyDispatcher,\n MixinWrapperFunctions\n{\n string constant public VERSION = \"2.0.1-alpha\";\n\n // Mixins are instantiated in the order they are inherited\n constructor (bytes memory _zrxAssetData)\n public\n LibConstants(_zrxAssetData) // @TODO: Remove when we deploy.\n MixinExchangeCore()\n MixinMatchOrders()\n MixinSignatureValidator()\n MixinTransactions()\n MixinAssetProxyDispatcher()\n MixinWrapperFunctions()\n {}\n}\n", - "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\nimport \"../AssetProxy/interfaces/IAssetProxy.sol\";\n\n\ncontract MixinAssetProxyDispatcher is\n Ownable,\n MAssetProxyDispatcher\n{\n // Mapping from Asset Proxy Id's to their respective Asset Proxy\n mapping (bytes4 => IAssetProxy) public assetProxies;\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external\n onlyOwner\n {\n IAssetProxy assetProxyContract = IAssetProxy(assetProxy);\n\n // Ensure that no asset proxy exists with current id.\n bytes4 assetProxyId = assetProxyContract.getProxyId();\n address currentAssetProxy = assetProxies[assetProxyId];\n require(\n currentAssetProxy == address(0),\n \"ASSET_PROXY_ALREADY_EXISTS\"\n );\n\n // Add asset proxy and log registration.\n assetProxies[assetProxyId] = assetProxyContract;\n emit AssetProxyRegistered(\n assetProxyId,\n assetProxy\n );\n }\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address)\n {\n return assetProxies[assetProxyId];\n }\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal\n {\n // Do nothing if no amount should be transferred.\n if (amount > 0 && from != to) {\n // Ensure assetData length is valid\n require(\n assetData.length > 3,\n \"LENGTH_GREATER_THAN_3_REQUIRED\"\n );\n \n // Lookup assetProxy. We do not use `LibBytes.readBytes4` for gas efficiency reasons.\n bytes4 assetProxyId;\n assembly {\n assetProxyId := and(mload(\n add(assetData, 32)),\n 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000\n )\n }\n address assetProxy = assetProxies[assetProxyId];\n\n // Ensure that assetProxy exists\n require(\n assetProxy != address(0),\n \"ASSET_PROXY_DOES_NOT_EXIST\"\n );\n \n // We construct calldata for the `assetProxy.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n\n assembly {\n /////// Setup State ///////\n // `cdStart` is the start of the calldata for `assetProxy.transferFrom` (equal to free memory ptr).\n let cdStart := mload(64)\n // `dataAreaLength` is the total number of words needed to store `assetData`\n // As-per the ABI spec, this value is padded up to the nearest multiple of 32,\n // and includes 32-bytes for length.\n let dataAreaLength := and(add(mload(assetData), 63), 0xFFFFFFFFFFFE0)\n // `cdEnd` is the end of the calldata for `assetProxy.transferFrom`.\n let cdEnd := add(cdStart, add(132, dataAreaLength))\n\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFromSelector`.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes.\n // Notes:\n // 1. The offset to `assetData` is the length of the Params Area (128 bytes).\n // 2. A 20-byte mask is applied to addresses to zero-out the unused bytes.\n mstore(add(cdStart, 4), 128)\n mstore(add(cdStart, 36), and(from, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 68), and(to, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 100), amount)\n \n /////// Setup Data Area ///////\n // This area holds `assetData`.\n let dataArea := add(cdStart, 132)\n // solhint-disable-next-line no-empty-blocks\n for {} lt(dataArea, cdEnd) {} {\n mstore(dataArea, mload(assetData))\n dataArea := add(dataArea, 32)\n assetData := add(assetData, 32)\n }\n\n /////// Call `assetProxy.transferFrom` using the constructed calldata ///////\n let success := call(\n gas, // forward all gas\n assetProxy, // call address of asset proxy\n 0, // don't send any ETH\n cdStart, // pointer to start of input\n sub(cdEnd, cdStart), // length of input \n cdStart, // write output over input\n 512 // reserve 512 bytes for output\n )\n if iszero(success) {\n revert(cdStart, returndatasize())\n }\n }\n }\n }\n}\n", - "2.0.0/protocol/Exchange/MixinExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinExchangeCore is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n LibOrder,\n LibFillResults,\n MAssetProxyDispatcher,\n MExchangeCore,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of orderHash => amount of takerAsset already bought by maker\n mapping (bytes32 => uint256) public filled;\n\n // Mapping of orderHash => cancelled\n mapping (bytes32 => bool) public cancelled;\n\n // Mapping of makerAddress => senderAddress => lowest salt an order can have in order to be fillable\n // Orders with specified senderAddress and with a salt less than their epoch are considered cancelled\n mapping (address => mapping (address => uint256)) public orderEpoch;\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external\n nonReentrant\n {\n address makerAddress = getCurrentContextAddress();\n // If this function is called via `executeTransaction`, we only update the orderEpoch for the makerAddress/msg.sender combination.\n // This allows external filter contracts to add rules to how orders are cancelled via this function.\n address senderAddress = makerAddress == msg.sender ? address(0) : msg.sender;\n\n // orderEpoch is initialized to 0, so to cancelUpTo we need salt + 1\n uint256 newOrderEpoch = targetOrderEpoch + 1; \n uint256 oldOrderEpoch = orderEpoch[makerAddress][senderAddress];\n\n // Ensure orderEpoch is monotonically increasing\n require(\n newOrderEpoch > oldOrderEpoch, \n \"INVALID_NEW_ORDER_EPOCH\"\n );\n\n // Update orderEpoch\n orderEpoch[makerAddress][senderAddress] = newOrderEpoch;\n emit CancelUpTo(\n makerAddress,\n senderAddress,\n newOrderEpoch\n );\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrder(Order memory order)\n public\n nonReentrant\n {\n cancelOrderInternal(order);\n }\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(Order memory order)\n public\n view\n returns (OrderInfo memory orderInfo)\n {\n // Compute the order hash\n orderInfo.orderHash = getOrderHash(order);\n\n // Fetch filled amount\n orderInfo.orderTakerAssetFilledAmount = filled[orderInfo.orderHash];\n\n // If order.makerAssetAmount is zero, we also reject the order.\n // While the Exchange contract handles them correctly, they create\n // edge cases in the supporting infrastructure because they have\n // an 'infinite' price when computed by a simple division.\n if (order.makerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_MAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // If order.takerAssetAmount is zero, then the order will always\n // be considered filled because 0 == takerAssetAmount == orderTakerAssetFilledAmount\n // Instead of distinguishing between unfilled and filled zero taker\n // amount orders, we choose not to support them.\n if (order.takerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_TAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // Validate order availability\n if (orderInfo.orderTakerAssetFilledAmount >= order.takerAssetAmount) {\n orderInfo.orderStatus = uint8(OrderStatus.FULLY_FILLED);\n return orderInfo;\n }\n\n // Validate order expiration\n // solhint-disable-next-line not-rely-on-time\n if (block.timestamp >= order.expirationTimeSeconds) {\n orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);\n return orderInfo;\n }\n\n // Check if order has been cancelled\n if (cancelled[orderInfo.orderHash]) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n if (orderEpoch[order.makerAddress][order.senderAddress] > order.salt) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n\n // All other statuses are ruled out: order is Fillable\n orderInfo.orderStatus = uint8(OrderStatus.FILLABLE);\n return orderInfo;\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // Fetch order info\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Assert that the order is fillable by taker\n assertFillableOrder(\n order,\n orderInfo,\n takerAddress,\n signature\n );\n \n // Get amount of takerAsset to fill\n uint256 remainingTakerAssetAmount = safeSub(order.takerAssetAmount, orderInfo.orderTakerAssetFilledAmount);\n uint256 takerAssetFilledAmount = min256(takerAssetFillAmount, remainingTakerAssetAmount);\n\n // Validate context\n assertValidFill(\n order,\n orderInfo,\n takerAssetFillAmount,\n takerAssetFilledAmount,\n fillResults.makerAssetFilledAmount\n );\n\n // Compute proportional fill amounts\n fillResults = calculateFillResults(order, takerAssetFilledAmount);\n\n // Update exchange internal state\n updateFilledState(\n order,\n takerAddress,\n orderInfo.orderHash,\n orderInfo.orderTakerAssetFilledAmount,\n fillResults\n );\n \n // Settle order\n settleOrder(\n order,\n takerAddress,\n fillResults\n );\n\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrderInternal(Order memory order)\n internal\n {\n // Fetch current order status\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Validate context\n assertValidCancel(order, orderInfo);\n\n // Perform cancel\n updateCancelledState(order, orderInfo.orderHash);\n }\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n function updateFilledState(\n Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n FillResults memory fillResults\n )\n internal\n {\n // Update state\n filled[orderHash] = safeAdd(orderTakerAssetFilledAmount, fillResults.takerAssetFilledAmount);\n\n // Log order\n emit Fill(\n order.makerAddress,\n order.feeRecipientAddress,\n takerAddress,\n msg.sender,\n fillResults.makerAssetFilledAmount,\n fillResults.takerAssetFilledAmount,\n fillResults.makerFeePaid,\n fillResults.takerFeePaid,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n Order memory order,\n bytes32 orderHash\n )\n internal\n {\n // Perform cancel\n cancelled[orderHash] = true;\n\n // Log cancel\n emit Cancel(\n order.makerAddress,\n order.feeRecipientAddress,\n msg.sender,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n Order memory order,\n OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view\n {\n // An order can only be filled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n \n // Validate sender is allowed to fill this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n \n // Validate taker is allowed to fill this order\n if (order.takerAddress != address(0)) {\n require(\n order.takerAddress == takerAddress,\n \"INVALID_TAKER\"\n );\n }\n \n // Validate Maker signature (check only if first time seen)\n if (orderInfo.orderTakerAssetFilledAmount == 0) {\n require(\n isValidSignature(\n orderInfo.orderHash,\n order.makerAddress,\n signature\n ),\n \"INVALID_ORDER_SIGNATURE\"\n );\n }\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n Order memory order,\n OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount, // TODO: use FillResults\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view\n {\n // Revert if fill amount is invalid\n // TODO: reconsider necessity for v2.1\n require(\n takerAssetFillAmount != 0,\n \"INVALID_TAKER_AMOUNT\"\n );\n \n // Make sure taker does not pay more than desired amount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n takerAssetFilledAmount <= takerAssetFillAmount,\n \"TAKER_OVERPAY\"\n );\n \n // Make sure order is not overfilled\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeAdd(orderInfo.orderTakerAssetFilledAmount, takerAssetFilledAmount) <= order.takerAssetAmount,\n \"ORDER_OVERFILL\"\n );\n \n // Make sure order is filled at acceptable price.\n // The order has an implied price from the makers perspective:\n // order price = order.makerAssetAmount / order.takerAssetAmount\n // i.e. the number of makerAsset maker is paying per takerAsset. The\n // maker is guaranteed to get this price or a better (lower) one. The\n // actual price maker is getting in this fill is:\n // fill price = makerAssetFilledAmount / takerAssetFilledAmount\n // We need `fill price <= order price` for the fill to be fair to maker.\n // This amounts to:\n // makerAssetFilledAmount order.makerAssetAmount\n // ------------------------ <= -----------------------\n // takerAssetFilledAmount order.takerAssetAmount\n // or, equivalently:\n // makerAssetFilledAmount * order.takerAssetAmount <=\n // order.makerAssetAmount * takerAssetFilledAmount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeMul(makerAssetFilledAmount, order.takerAssetAmount)\n <= \n safeMul(order.makerAssetAmount, takerAssetFilledAmount),\n \"INVALID_FILL_PRICE\"\n );\n }\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n Order memory order,\n OrderInfo memory orderInfo\n )\n internal\n view\n {\n // Ensure order is valid\n // An order can only be cancelled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Validate sender is allowed to cancel this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate transaction signed by maker\n address makerAddress = getCurrentContextAddress();\n require(\n order.makerAddress == makerAddress,\n \"INVALID_MAKER\"\n );\n }\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (FillResults memory fillResults)\n {\n // Compute proportional transfer amounts\n fillResults.takerAssetFilledAmount = takerAssetFilledAmount;\n fillResults.makerAssetFilledAmount = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n );\n fillResults.makerFeePaid = safeGetPartialAmountFloor(\n fillResults.makerAssetFilledAmount,\n order.makerAssetAmount,\n order.makerFee\n );\n fillResults.takerFeePaid = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.takerFee\n );\n\n return fillResults;\n }\n\n /// @dev Settles an order by transferring assets between counterparties.\n /// @param order Order struct containing order specifications.\n /// @param takerAddress Address selling takerAsset and buying makerAsset.\n /// @param fillResults Amounts to be filled and fees paid by maker and taker.\n function settleOrder(\n LibOrder.Order memory order,\n address takerAddress,\n LibFillResults.FillResults memory fillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n dispatchTransferFrom(\n order.makerAssetData,\n order.makerAddress,\n takerAddress,\n fillResults.makerAssetFilledAmount\n );\n dispatchTransferFrom(\n order.takerAssetData,\n takerAddress,\n order.makerAddress,\n fillResults.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n zrxAssetData,\n order.makerAddress,\n order.feeRecipientAddress,\n fillResults.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n order.feeRecipientAddress,\n fillResults.takerFeePaid\n );\n }\n}\n", - "2.0.0/protocol/Exchange/MixinMatchOrders.sol": "/*\n Copyright 2018 ZeroEx Intl.\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n http://www.apache.org/licenses/LICENSE-2.0\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MMatchOrders.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinMatchOrders is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n MAssetProxyDispatcher,\n MExchangeCore,\n MMatchOrders,\n MTransactions\n{\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n nonReentrant\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We assume that rightOrder.takerAssetData == leftOrder.makerAssetData and rightOrder.makerAssetData == leftOrder.takerAssetData.\n // If this assumption isn't true, the match will fail at signature validation.\n rightOrder.makerAssetData = leftOrder.takerAssetData;\n rightOrder.takerAssetData = leftOrder.makerAssetData;\n\n // Get left & right order info\n LibOrder.OrderInfo memory leftOrderInfo = getOrderInfo(leftOrder);\n LibOrder.OrderInfo memory rightOrderInfo = getOrderInfo(rightOrder);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Either our context is valid or we revert\n assertFillableOrder(\n leftOrder,\n leftOrderInfo,\n takerAddress,\n leftSignature\n );\n assertFillableOrder(\n rightOrder,\n rightOrderInfo,\n takerAddress,\n rightSignature\n );\n assertValidMatch(leftOrder, rightOrder);\n\n // Compute proportional fill amounts\n matchedFillResults = calculateMatchedFillResults(\n leftOrder,\n rightOrder,\n leftOrderInfo.orderTakerAssetFilledAmount,\n rightOrderInfo.orderTakerAssetFilledAmount\n );\n\n // Validate fill contexts\n assertValidFill(\n leftOrder,\n leftOrderInfo,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.makerAssetFilledAmount\n );\n assertValidFill(\n rightOrder,\n rightOrderInfo,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n \n // Update exchange state\n updateFilledState(\n leftOrder,\n takerAddress,\n leftOrderInfo.orderHash,\n leftOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.left\n );\n updateFilledState(\n rightOrder,\n takerAddress,\n rightOrderInfo.orderHash,\n rightOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.right\n );\n\n // Settle matched orders. Succeeds or throws.\n settleMatchedOrders(\n leftOrder,\n rightOrder,\n takerAddress,\n matchedFillResults\n );\n\n return matchedFillResults;\n }\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure\n {\n // Make sure there is a profitable spread.\n // There is a profitable spread iff the cost per unit bought (OrderA.MakerAmount/OrderA.TakerAmount) for each order is greater\n // than the profit per unit sold of the matched order (OrderB.TakerAmount/OrderB.MakerAmount).\n // This is satisfied by the equations below:\n // / >= / \n // AND\n // / >= / \n // These equations can be combined to get the following:\n require(\n safeMul(leftOrder.makerAssetAmount, rightOrder.makerAssetAmount) >=\n safeMul(leftOrder.takerAssetAmount, rightOrder.takerAssetAmount),\n \"NEGATIVE_SPREAD_REQUIRED\"\n );\n }\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // Derive maker asset amounts for left & right orders, given store taker assert amounts\n uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);\n uint256 leftMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n leftTakerAssetAmountRemaining\n );\n uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);\n uint256 rightMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n rightOrder.makerAssetAmount,\n rightOrder.takerAssetAmount,\n rightTakerAssetAmountRemaining\n );\n\n // Calculate fill results for maker and taker assets: at least one order will be fully filled.\n // The maximum amount the left maker can buy is `leftTakerAssetAmountRemaining`\n // The maximum amount the right maker can sell is `rightMakerAssetAmountRemaining`\n // We have two distinct cases for calculating the fill results:\n // Case 1.\n // If the left maker can buy more than the right maker can sell, then only the right order is fully filled.\n // If the left maker can buy exactly what the right maker can sell, then both orders are fully filled.\n // Case 2.\n // If the left maker cannot buy more than the right maker can sell, then only the left order is fully filled.\n if (leftTakerAssetAmountRemaining >= rightMakerAssetAmountRemaining) {\n // Case 1: Right order is fully filled\n matchedFillResults.right.makerAssetFilledAmount = rightMakerAssetAmountRemaining;\n matchedFillResults.right.takerAssetFilledAmount = rightTakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = matchedFillResults.right.makerAssetFilledAmount;\n // Round down to ensure the maker's exchange rate does not exceed the price specified by the order. \n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.left.makerAssetFilledAmount = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n matchedFillResults.left.takerAssetFilledAmount\n );\n } else {\n // Case 2: Left order is fully filled\n matchedFillResults.left.makerAssetFilledAmount = leftMakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = leftTakerAssetAmountRemaining;\n matchedFillResults.right.makerAssetFilledAmount = matchedFillResults.left.takerAssetFilledAmount;\n // Round up to ensure the maker's exchange rate does not exceed the price specified by the order.\n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.right.takerAssetFilledAmount = safeGetPartialAmountCeil(\n rightOrder.takerAssetAmount,\n rightOrder.makerAssetAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n }\n\n // Calculate amount given to taker\n matchedFillResults.leftMakerAssetSpreadAmount = safeSub(\n matchedFillResults.left.makerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount\n );\n\n // Compute fees for left order\n matchedFillResults.left.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.makerAssetFilledAmount,\n leftOrder.makerAssetAmount,\n leftOrder.makerFee\n );\n matchedFillResults.left.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.takerAssetFilledAmount,\n leftOrder.takerAssetAmount,\n leftOrder.takerFee\n );\n\n // Compute fees for right order\n matchedFillResults.right.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.makerAssetFilledAmount,\n rightOrder.makerAssetAmount,\n rightOrder.makerFee\n );\n matchedFillResults.right.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.takerAssetFilledAmount,\n rightOrder.takerAssetAmount,\n rightOrder.takerFee\n );\n\n // Return fill results\n return matchedFillResults;\n }\n\n /// @dev Settles matched order by transferring appropriate funds between order makers, taker, and fee recipient.\n /// @param leftOrder First matched order.\n /// @param rightOrder Second matched order.\n /// @param takerAddress Address that matched the orders. The taker receives the spread between orders as profit.\n /// @param matchedFillResults Struct holding amounts to transfer between makers, taker, and fee recipients.\n function settleMatchedOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n address takerAddress,\n LibFillResults.MatchedFillResults memory matchedFillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n // Order makers and taker\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n rightOrder.makerAddress,\n matchedFillResults.right.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n rightOrder.makerAssetData,\n rightOrder.makerAddress,\n leftOrder.makerAddress,\n matchedFillResults.left.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n takerAddress,\n matchedFillResults.leftMakerAssetSpreadAmount\n );\n\n // Maker fees\n dispatchTransferFrom(\n zrxAssetData,\n leftOrder.makerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n rightOrder.makerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.makerFeePaid\n );\n\n // Taker fees\n if (leftOrder.feeRecipientAddress == rightOrder.feeRecipientAddress) {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n safeAdd(\n matchedFillResults.left.takerFeePaid,\n matchedFillResults.right.takerFeePaid\n )\n );\n } else {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.takerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.takerFeePaid\n );\n }\n }\n}\n", - "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./interfaces/IWallet.sol\";\nimport \"./interfaces/IValidator.sol\";\n\n\ncontract MixinSignatureValidator is\n ReentrancyGuard,\n MSignatureValidator,\n MTransactions\n{\n using LibBytes for bytes;\n \n // Mapping of hash => signer => signed\n mapping (bytes32 => mapping (address => bool)) public preSigned;\n\n // Mapping of signer => validator => approved\n mapping (address => mapping (address => bool)) public allowedValidators;\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n {\n if (signerAddress != msg.sender) {\n require(\n isValidSignature(\n hash,\n signerAddress,\n signature\n ),\n \"INVALID_SIGNATURE\"\n );\n }\n preSigned[hash][signerAddress] = true;\n }\n\n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external\n nonReentrant\n {\n address signerAddress = getCurrentContextAddress();\n allowedValidators[signerAddress][validatorAddress] = approval;\n emit SignatureValidatorApproval(\n signerAddress,\n validatorAddress,\n approval\n );\n }\n\n /// @dev Verifies that a hash has been signed by the given signer.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid)\n {\n require(\n signature.length > 0,\n \"LENGTH_GREATER_THAN_0_REQUIRED\"\n );\n\n // Pop last byte off of signature byte array.\n uint8 signatureTypeRaw = uint8(signature.popLastByte());\n\n // Ensure signature is supported\n require(\n signatureTypeRaw < uint8(SignatureType.NSignatureTypes),\n \"SIGNATURE_UNSUPPORTED\"\n );\n\n SignatureType signatureType = SignatureType(signatureTypeRaw);\n\n // Variables are not scoped in Solidity.\n uint8 v;\n bytes32 r;\n bytes32 s;\n address recovered;\n\n // Always illegal signature.\n // This is always an implicit option since a signer can create a\n // signature array with invalid type or length. We may as well make\n // it an explicit option. This aids testing and analysis. It is\n // also the initialization value for the enum type.\n if (signatureType == SignatureType.Illegal) {\n revert(\"SIGNATURE_ILLEGAL\");\n\n // Always invalid signature.\n // Like Illegal, this is always implicitly available and therefore\n // offered explicitly. It can be implicitly created by providing\n // a correctly formatted but incorrect signature.\n } else if (signatureType == SignatureType.Invalid) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = false;\n return isValid;\n\n // Signature using EIP712\n } else if (signatureType == SignatureType.EIP712) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n hash,\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signed using web3.eth_sign\n } else if (signatureType == SignatureType.EthSign) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n32\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signature verified by wallet contract.\n // If used with an order, the maker of the order is the wallet contract.\n } else if (signatureType == SignatureType.Wallet) {\n isValid = isValidWalletSignature(\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signature verified by validator contract.\n // If used with an order, the maker of the order can still be an EOA.\n // A signature using this type should be encoded as:\n // | Offset | Length | Contents |\n // | 0x00 | x | Signature to validate |\n // | 0x00 + x | 20 | Address of validator contract |\n // | 0x14 + x | 1 | Signature type is always \"\\x06\" |\n } else if (signatureType == SignatureType.Validator) {\n // Pop last 20 bytes off of signature byte array.\n address validatorAddress = signature.popLast20Bytes();\n \n // Ensure signer has approved validator.\n if (!allowedValidators[signerAddress][validatorAddress]) {\n return false;\n }\n isValid = isValidValidatorSignature(\n validatorAddress,\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signer signed hash previously using the preSign function.\n } else if (signatureType == SignatureType.PreSigned) {\n isValid = preSigned[hash][signerAddress];\n return isValid;\n }\n\n // Anything else is illegal (We do not return false because\n // the signature may actually be valid, just not in a format\n // that we currently support. In this case returning false\n // may lead the caller to incorrectly believe that the\n // signature was invalid.)\n revert(\"SIGNATURE_UNSUPPORTED\");\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if signature is valid for given wallet..\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IWallet(walletAddress).isValidSignature.selector,\n hash,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n walletAddress, // address of Wallet contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"WALLET_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000c57414c4c45545f4552524f5200000000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IValidator(signerAddress).isValidSignature.selector,\n hash,\n signerAddress,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n validatorAddress, // address of Validator contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"VALIDATOR_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f56414c494441544f525f4552524f5200000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n}\n", - "2.0.0/protocol/Exchange/MixinTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"./libs/LibExchangeErrors.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./libs/LibEIP712.sol\";\n\n\ncontract MixinTransactions is\n LibEIP712,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of transaction hash => executed\n // This prevents transactions from being executed more than once.\n mapping (bytes32 => bool) public transactions;\n\n // Address of current transaction signer\n address public currentContextAddress;\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external\n {\n // Prevent reentrancy\n require(\n currentContextAddress == address(0),\n \"REENTRANCY_ILLEGAL\"\n );\n\n bytes32 transactionHash = hashEIP712Message(hashZeroExTransaction(\n salt,\n signerAddress,\n data\n ));\n\n // Validate transaction has not been executed\n require(\n !transactions[transactionHash],\n \"INVALID_TX_HASH\"\n );\n\n // Transaction always valid if signer is sender of transaction\n if (signerAddress != msg.sender) {\n // Validate signature\n require(\n isValidSignature(\n transactionHash,\n signerAddress,\n signature\n ),\n \"INVALID_TX_SIGNATURE\"\n );\n\n // Set the current transaction signer\n currentContextAddress = signerAddress;\n }\n\n // Execute transaction\n transactions[transactionHash] = true;\n require(\n address(this).delegatecall(data),\n \"FAILED_EXECUTION\"\n );\n\n // Reset current transaction signer if it was previously updated\n if (signerAddress != msg.sender) {\n currentContextAddress = address(0);\n }\n }\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;\n bytes32 dataHash = keccak256(data);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,\n // salt,\n // bytes32(signerAddress),\n // keccak256(data)\n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, schemaHash) // hash of schema\n mstore(add(memPtr, 32), salt) // salt\n mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff)) // signerAddress\n mstore(add(memPtr, 96), dataHash) // hash of data\n\n // Compute hash\n result := keccak256(memPtr, 128)\n }\n return result;\n }\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address)\n {\n address currentContextAddress_ = currentContextAddress;\n address contextAddress = currentContextAddress_ == address(0) ? msg.sender : currentContextAddress_;\n return contextAddress;\n }\n}\n", - "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibAbiEncoder.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MWrapperFunctions.sol\";\n\n\ncontract MixinWrapperFunctions is\n ReentrancyGuard,\n LibMath,\n LibFillResults,\n LibAbiEncoder,\n MExchangeCore,\n MWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrKillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n // Delegate to `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := delegatecall(\n gas, // forward all gas\n address, // call address of this contract\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrKillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n \n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public\n nonReentrant\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n cancelOrderInternal(orders[i]);\n }\n }\n\n /// @dev Fetches information for all passed in orders.\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n LibOrder.OrderInfo[] memory ordersInfo = new LibOrder.OrderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n ordersInfo[i] = getOrderInfo(orders[i]);\n }\n return ordersInfo;\n }\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n require(\n fillResults.takerAssetFilledAmount == takerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return fillResults;\n }\n}\n", - "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssetProxyDispatcher {\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external;\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IExchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./IExchangeCore.sol\";\nimport \"./IMatchOrders.sol\";\nimport \"./ISignatureValidator.sol\";\nimport \"./ITransactions.sol\";\nimport \"./IAssetProxyDispatcher.sol\";\nimport \"./IWrapperFunctions.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract IExchange is\n IExchangeCore,\n IMatchOrders,\n ISignatureValidator,\n ITransactions,\n IAssetProxyDispatcher,\n IWrapperFunctions\n{}\n", - "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IExchangeCore {\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external;\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrder(LibOrder.Order memory order)\n public;\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(LibOrder.Order memory order)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IMatchOrders {\n\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n}\n", - "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ISignatureValidator {\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external;\n \n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external;\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address of signer.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\n\ncontract ITransactions {\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external;\n}\n", - "2.0.0/protocol/Exchange/interfaces/IValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IValidator {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IWallet {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IWrapperFunctions {\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public;\n\n /// @dev Fetches information for all passed in orders\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory);\n}\n", - "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./LibOrder.sol\";\n\n\ncontract LibAbiEncoder {\n\n /// @dev ABI encodes calldata for `fillOrder`.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return ABI encoded calldata for `fillOrder`.\n function abiEncodeFillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n pure\n returns (bytes memory fillOrderCalldata)\n {\n // We need to call MExchangeCore.fillOrder using a delegatecall in\n // assembly so that we can intercept a call that throws. For this, we\n // need the input encoded in memory in the Ethereum ABIv2 format [1].\n\n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0x00 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 0x00 | | 1. offset to order (*) |\n // | | 0x20 | | 2. takerAssetFillAmount |\n // | | 0x40 | | 3. offset to signature (*) |\n // | Data | | 12 * 32 | order: |\n // | | 0x000 | | 1. senderAddress |\n // | | 0x020 | | 2. makerAddress |\n // | | 0x040 | | 3. takerAddress |\n // | | 0x060 | | 4. feeRecipientAddress |\n // | | 0x080 | | 5. makerAssetAmount |\n // | | 0x0A0 | | 6. takerAssetAmount |\n // | | 0x0C0 | | 7. makerFeeAmount |\n // | | 0x0E0 | | 8. takerFeeAmount |\n // | | 0x100 | | 9. expirationTimeSeconds |\n // | | 0x120 | | 10. salt |\n // | | 0x140 | | 11. Offset to makerAssetData (*) |\n // | | 0x160 | | 12. Offset to takerAssetData (*) |\n // | | 0x180 | 32 | makerAssetData Length |\n // | | 0x1A0 | ** | makerAssetData Contents |\n // | | 0x1C0 | 32 | takerAssetData Length |\n // | | 0x1E0 | ** | takerAssetData Contents |\n // | | 0x200 | 32 | signature Length |\n // | | 0x220 | ** | signature Contents |\n\n // * Offsets are calculated from the beginning of the current area: Header, Params, Data:\n // An offset stored in the Params area is calculated from the beginning of the Params section.\n // An offset stored in the Data area is calculated from the beginning of the Data section.\n\n // ** The length of dynamic array contents are stored in the field immediately preceeding the contents.\n\n // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html\n\n assembly {\n\n // Areas below may use the following variables:\n // 1. Start -- Start of this area in memory\n // 2. End -- End of this area in memory. This value may\n // be precomputed (before writing contents),\n // or it may be computed as contents are written.\n // 3. Offset -- Current offset into area. If an area's End\n // is precomputed, this variable tracks the\n // offsets of contents as they are written.\n\n /////// Setup Header Area ///////\n // Load free memory pointer\n fillOrderCalldata := mload(0x40)\n // bytes4(keccak256(\"fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)\"))\n // = 0xb4be83d5\n // Leave 0x20 bytes to store the length\n mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000)\n let headerAreaEnd := add(fillOrderCalldata, 0x24)\n\n /////// Setup Params Area ///////\n // This area is preallocated and written to later.\n // This is because we need to fill in offsets that have not yet been calculated.\n let paramsAreaStart := headerAreaEnd\n let paramsAreaEnd := add(paramsAreaStart, 0x60)\n let paramsAreaOffset := paramsAreaStart\n\n /////// Setup Data Area ///////\n let dataAreaStart := paramsAreaEnd\n let dataAreaEnd := dataAreaStart\n\n // Offset from the source data we're reading from\n let sourceOffset := order\n // arrayLenBytes and arrayLenWords track the length of a dynamically-allocated bytes array.\n let arrayLenBytes := 0\n let arrayLenWords := 0\n\n /////// Write order Struct ///////\n // Write memory location of Order, relative to the start of the\n // parameter list, then increment the paramsAreaOffset respectively.\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n // Write values for each field in the order\n // It would be nice to use a loop, but we save on gas by writing\n // the stores sequentially.\n mstore(dataAreaEnd, mload(sourceOffset)) // makerAddress\n mstore(add(dataAreaEnd, 0x20), mload(add(sourceOffset, 0x20))) // takerAddress\n mstore(add(dataAreaEnd, 0x40), mload(add(sourceOffset, 0x40))) // feeRecipientAddress\n mstore(add(dataAreaEnd, 0x60), mload(add(sourceOffset, 0x60))) // senderAddress\n mstore(add(dataAreaEnd, 0x80), mload(add(sourceOffset, 0x80))) // makerAssetAmount\n mstore(add(dataAreaEnd, 0xA0), mload(add(sourceOffset, 0xA0))) // takerAssetAmount\n mstore(add(dataAreaEnd, 0xC0), mload(add(sourceOffset, 0xC0))) // makerFeeAmount\n mstore(add(dataAreaEnd, 0xE0), mload(add(sourceOffset, 0xE0))) // takerFeeAmount\n mstore(add(dataAreaEnd, 0x100), mload(add(sourceOffset, 0x100))) // expirationTimeSeconds\n mstore(add(dataAreaEnd, 0x120), mload(add(sourceOffset, 0x120))) // salt\n mstore(add(dataAreaEnd, 0x140), mload(add(sourceOffset, 0x140))) // Offset to makerAssetData\n mstore(add(dataAreaEnd, 0x160), mload(add(sourceOffset, 0x160))) // Offset to takerAssetData\n dataAreaEnd := add(dataAreaEnd, 0x180)\n sourceOffset := add(sourceOffset, 0x180)\n\n // Write offset to \n mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x140)) // makerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Write offset to \n mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x160)) // takerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n /////// Write takerAssetFillAmount ///////\n mstore(paramsAreaOffset, takerAssetFillAmount)\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n /////// Write signature ///////\n // Write offset to paramsArea\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n\n // Calculate length of signature\n sourceOffset := signature\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of signature\n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of signature\n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Set length of calldata\n mstore(fillOrderCalldata, sub(dataAreaEnd, add(fillOrderCalldata, 0x20)))\n\n // Increment free memory pointer\n mstore(0x40, dataAreaEnd)\n }\n\n return fillOrderCalldata;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\n// solhint-disable max-line-length\ncontract LibConstants {\n \n // Asset data for ZRX token. Used for fee transfers.\n // @TODO: Hardcode constant when we deploy. Currently \n // not constant to make testing easier.\n\n // The proxyId for ZRX_ASSET_DATA is bytes4(keccak256(\"ERC20Token(address)\")) = 0xf47261b0\n \n // Kovan ZRX address is 0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570.\n // The ABI encoded proxyId and address is 0xf47261b00000000000000000000000006ff6c0ff1d68b964901f986d4c9fa3ac68346570\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x6f\\xf6\\xc0\\xff\\x1d\\x68\\xb9\\x64\\x90\\x1f\\x98\\x6d\\x4c\\x9f\\xa3\\xac\\x68\\x34\\x65\\x70\";\n \n // Mainnet ZRX address is 0xe41d2489571d322189246dafa5ebde1f4699f498.\n // The ABI encoded proxyId and address is 0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xe4\\x1d\\x24\\x89\\x57\\x1d\\x32\\x21\\x89\\x24\\x6d\\xaf\\xa5\\xeb\\xde\\x1f\\x46\\x99\\xf4\\x98\";\n \n // solhint-disable-next-line var-name-mixedcase\n bytes public ZRX_ASSET_DATA;\n\n // @TODO: Remove when we deploy.\n constructor (bytes memory zrxAssetData)\n public\n {\n ZRX_ASSET_DATA = zrxAssetData;\n }\n}\n// solhint-enable max-line-length\n", - "2.0.0/protocol/Exchange/libs/LibEIP712.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract LibEIP712 {\n\n // EIP191 header for EIP712 prefix\n string constant internal EIP191_HEADER = \"\\x19\\x01\";\n\n // EIP712 Domain Name value\n string constant internal EIP712_DOMAIN_NAME = \"0x Protocol\";\n\n // EIP712 Domain Version value\n string constant internal EIP712_DOMAIN_VERSION = \"2\";\n\n // Hash of the EIP712 Domain Separator Schema\n bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"EIP712Domain(\",\n \"string name,\",\n \"string version,\",\n \"address verifyingContract\",\n \")\"\n ));\n\n // Hash of the EIP712 Domain Separator data\n // solhint-disable-next-line var-name-mixedcase\n bytes32 public EIP712_DOMAIN_HASH;\n\n constructor ()\n public\n {\n EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(\n EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,\n keccak256(bytes(EIP712_DOMAIN_NAME)),\n keccak256(bytes(EIP712_DOMAIN_VERSION)),\n bytes32(address(this))\n ));\n }\n\n /// @dev Calculates EIP712 encoding for a hash struct in this EIP712 Domain.\n /// @param hashStruct The EIP712 hash struct.\n /// @return EIP712 hash applied to this EIP712 Domain.\n function hashEIP712Message(bytes32 hashStruct)\n internal\n view\n returns (bytes32 result)\n {\n bytes32 eip712DomainHash = EIP712_DOMAIN_HASH;\n\n // Assembly for more efficient computing:\n // keccak256(abi.encodePacked(\n // EIP191_HEADER,\n // EIP712_DOMAIN_HASH,\n // hashStruct \n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, 0x1901000000000000000000000000000000000000000000000000000000000000) // EIP191 header\n mstore(add(memPtr, 2), eip712DomainHash) // EIP712 domain hash\n mstore(add(memPtr, 34), hashStruct) // Hash of struct\n\n // Compute hash\n result := keccak256(memPtr, 66)\n }\n return result;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity 0.4.24;\n\n\n/// @dev This contract documents the revert reasons used in the Exchange contract.\n/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons.\ncontract LibExchangeErrors {\n\n /// Order validation errors ///\n string constant ORDER_UNFILLABLE = \"ORDER_UNFILLABLE\"; // Order cannot be filled.\n string constant INVALID_MAKER = \"INVALID_MAKER\"; // Invalid makerAddress.\n string constant INVALID_TAKER = \"INVALID_TAKER\"; // Invalid takerAddress.\n string constant INVALID_SENDER = \"INVALID_SENDER\"; // Invalid `msg.sender`.\n string constant INVALID_ORDER_SIGNATURE = \"INVALID_ORDER_SIGNATURE\"; // Signature validation failed. \n \n /// fillOrder validation errors ///\n string constant INVALID_TAKER_AMOUNT = \"INVALID_TAKER_AMOUNT\"; // takerAssetFillAmount cannot equal 0.\n string constant ROUNDING_ERROR = \"ROUNDING_ERROR\"; // Rounding error greater than 0.1% of takerAssetFillAmount. \n \n /// Signature validation errors ///\n string constant INVALID_SIGNATURE = \"INVALID_SIGNATURE\"; // Signature validation failed. \n string constant SIGNATURE_ILLEGAL = \"SIGNATURE_ILLEGAL\"; // Signature type is illegal.\n string constant SIGNATURE_UNSUPPORTED = \"SIGNATURE_UNSUPPORTED\"; // Signature type unsupported.\n \n /// cancelOrdersUptTo errors ///\n string constant INVALID_NEW_ORDER_EPOCH = \"INVALID_NEW_ORDER_EPOCH\"; // Specified salt must be greater than or equal to existing orderEpoch.\n\n /// fillOrKillOrder errors ///\n string constant COMPLETE_FILL_FAILED = \"COMPLETE_FILL_FAILED\"; // Desired takerAssetFillAmount could not be completely filled. \n\n /// matchOrders errors ///\n string constant NEGATIVE_SPREAD_REQUIRED = \"NEGATIVE_SPREAD_REQUIRED\"; // Matched orders must have a negative spread.\n\n /// Transaction errors ///\n string constant REENTRANCY_ILLEGAL = \"REENTRANCY_ILLEGAL\"; // Recursive reentrancy is not allowed. \n string constant INVALID_TX_HASH = \"INVALID_TX_HASH\"; // Transaction has already been executed. \n string constant INVALID_TX_SIGNATURE = \"INVALID_TX_SIGNATURE\"; // Signature validation failed. \n string constant FAILED_EXECUTION = \"FAILED_EXECUTION\"; // Transaction execution failed. \n \n /// registerAssetProxy errors ///\n string constant ASSET_PROXY_ALREADY_EXISTS = \"ASSET_PROXY_ALREADY_EXISTS\"; // AssetProxy with same id already exists.\n\n /// dispatchTransferFrom errors ///\n string constant ASSET_PROXY_DOES_NOT_EXIST = \"ASSET_PROXY_DOES_NOT_EXIST\"; // No assetProxy registered at given id.\n string constant TRANSFER_FAILED = \"TRANSFER_FAILED\"; // Asset transfer unsuccesful.\n\n /// Length validation errors ///\n string constant LENGTH_GREATER_THAN_0_REQUIRED = \"LENGTH_GREATER_THAN_0_REQUIRED\"; // Byte array must have a length greater than 0.\n string constant LENGTH_GREATER_THAN_3_REQUIRED = \"LENGTH_GREATER_THAN_3_REQUIRED\"; // Byte array must have a length greater than 3.\n string constant LENGTH_0_REQUIRED = \"LENGTH_0_REQUIRED\"; // Byte array must have a length of 0.\n string constant LENGTH_65_REQUIRED = \"LENGTH_65_REQUIRED\"; // Byte array must have a length of 65.\n}\n", - "2.0.0/protocol/Exchange/libs/LibFillResults.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibFillResults is\n SafeMath\n{\n struct FillResults {\n uint256 makerAssetFilledAmount; // Total amount of makerAsset(s) filled.\n uint256 takerAssetFilledAmount; // Total amount of takerAsset(s) filled.\n uint256 makerFeePaid; // Total amount of ZRX paid by maker(s) to feeRecipient(s).\n uint256 takerFeePaid; // Total amount of ZRX paid by taker to feeRecipients(s).\n }\n\n struct MatchedFillResults {\n FillResults left; // Amounts filled and fees paid of left order.\n FillResults right; // Amounts filled and fees paid of right order.\n uint256 leftMakerAssetSpreadAmount; // Spread between price of left and right order, denominated in the left order's makerAsset, paid to taker.\n }\n\n /// @dev Adds properties of both FillResults instances.\n /// Modifies the first FillResults instance specified.\n /// @param totalFillResults Fill results instance that will be added onto.\n /// @param singleFillResults Fill results instance that will be added to totalFillResults.\n function addFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)\n internal\n pure\n {\n totalFillResults.makerAssetFilledAmount = safeAdd(totalFillResults.makerAssetFilledAmount, singleFillResults.makerAssetFilledAmount);\n totalFillResults.takerAssetFilledAmount = safeAdd(totalFillResults.takerAssetFilledAmount, singleFillResults.takerAssetFilledAmount);\n totalFillResults.makerFeePaid = safeAdd(totalFillResults.makerFeePaid, singleFillResults.makerFeePaid);\n totalFillResults.takerFeePaid = safeAdd(totalFillResults.takerFeePaid, singleFillResults.takerFeePaid);\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibMath.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibMath is\n SafeMath\n{\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function safeGetPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorFloor(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function safeGetPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorCeil(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function getPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function getPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // The absolute rounding error is the difference between the rounded\n // value and the ideal value. The relative rounding error is the\n // absolute rounding error divided by the absolute value of the\n // ideal value. This is undefined when the ideal value is zero.\n //\n // The ideal value is `numerator * target / denominator`.\n // Let's call `numerator * target % denominator` the remainder.\n // The absolute error is `remainder / denominator`.\n //\n // When the ideal value is zero, we require the absolute error to\n // be zero. Fortunately, this is always the case. The ideal value is\n // zero iff `numerator == 0` and/or `target == 0`. In this case the\n // remainder and absolute error are also zero. \n if (target == 0 || numerator == 0) {\n return false;\n }\n \n // Otherwise, we want the relative rounding error to be strictly\n // less than 0.1%.\n // The relative error is `remainder / (numerator * target)`.\n // We want the relative error less than 1 / 1000:\n // remainder / (numerator * denominator) < 1 / 1000\n // or equivalently:\n // 1000 * remainder < numerator * target\n // so we have a rounding error iff:\n // 1000 * remainder >= numerator * target\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding up.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // See the comments in `isRoundingError`.\n if (target == 0 || numerator == 0) {\n // When either is zero, the ideal value and rounded value are zero\n // and there is no rounding error. (Although the relative error\n // is undefined.)\n return false;\n }\n // Compute remainder as before\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n remainder = safeSub(denominator, remainder) % denominator;\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibOrder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./LibEIP712.sol\";\n\n\ncontract LibOrder is\n LibEIP712\n{\n // Hash for the EIP712 Order Schema\n bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"Order(\",\n \"address makerAddress,\",\n \"address takerAddress,\",\n \"address feeRecipientAddress,\",\n \"address senderAddress,\",\n \"uint256 makerAssetAmount,\",\n \"uint256 takerAssetAmount,\",\n \"uint256 makerFee,\",\n \"uint256 takerFee,\",\n \"uint256 expirationTimeSeconds,\",\n \"uint256 salt,\",\n \"bytes makerAssetData,\",\n \"bytes takerAssetData\",\n \")\"\n ));\n\n // A valid order remains fillable until it is expired, fully filled, or cancelled.\n // An order's state is unaffected by external factors, like account balances.\n enum OrderStatus {\n INVALID, // Default value\n INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount\n INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount\n FILLABLE, // Order is fillable\n EXPIRED, // Order has already expired\n FULLY_FILLED, // Order is fully filled\n CANCELLED // Order has been cancelled\n }\n\n // solhint-disable max-line-length\n struct Order {\n address makerAddress; // Address that created the order. \n address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order. \n address feeRecipientAddress; // Address that will recieve fees when order is filled. \n address senderAddress; // Address that is allowed to call Exchange contract methods that affect this order. If set to 0, any address is allowed to call these methods.\n uint256 makerAssetAmount; // Amount of makerAsset being offered by maker. Must be greater than 0. \n uint256 takerAssetAmount; // Amount of takerAsset being bid on by maker. Must be greater than 0. \n uint256 makerFee; // Amount of ZRX paid to feeRecipient by maker when order is filled. If set to 0, no transfer of ZRX from maker to feeRecipient will be attempted.\n uint256 takerFee; // Amount of ZRX paid to feeRecipient by taker when order is filled. If set to 0, no transfer of ZRX from taker to feeRecipient will be attempted.\n uint256 expirationTimeSeconds; // Timestamp in seconds at which order expires. \n uint256 salt; // Arbitrary number to facilitate uniqueness of the order's hash. \n bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.\n bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.\n }\n // solhint-enable max-line-length\n\n struct OrderInfo {\n uint8 orderStatus; // Status that describes order's validity and fillability.\n bytes32 orderHash; // EIP712 hash of the order (see LibOrder.getOrderHash).\n uint256 orderTakerAssetFilledAmount; // Amount of order that has already been filled.\n }\n\n /// @dev Calculates Keccak-256 hash of the order.\n /// @param order The order structure.\n /// @return Keccak-256 EIP712 hash of the order.\n function getOrderHash(Order memory order)\n internal\n view\n returns (bytes32 orderHash)\n {\n orderHash = hashEIP712Message(hashOrder(order));\n return orderHash;\n }\n\n /// @dev Calculates EIP712 hash of the order.\n /// @param order The order structure.\n /// @return EIP712 hash of the order.\n function hashOrder(Order memory order)\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ORDER_SCHEMA_HASH;\n bytes32 makerAssetDataHash = keccak256(order.makerAssetData);\n bytes32 takerAssetDataHash = keccak256(order.takerAssetData);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ORDER_SCHEMA_HASH,\n // bytes32(order.makerAddress),\n // bytes32(order.takerAddress),\n // bytes32(order.feeRecipientAddress),\n // bytes32(order.senderAddress),\n // order.makerAssetAmount,\n // order.takerAssetAmount,\n // order.makerFee,\n // order.takerFee,\n // order.expirationTimeSeconds,\n // order.salt,\n // keccak256(order.makerAssetData),\n // keccak256(order.takerAssetData)\n // ));\n\n assembly {\n // Calculate memory addresses that will be swapped out before hashing\n let pos1 := sub(order, 32)\n let pos2 := add(order, 320)\n let pos3 := add(order, 352)\n\n // Backup\n let temp1 := mload(pos1)\n let temp2 := mload(pos2)\n let temp3 := mload(pos3)\n \n // Hash in place\n mstore(pos1, schemaHash)\n mstore(pos2, makerAssetDataHash)\n mstore(pos3, takerAssetDataHash)\n result := keccak256(pos1, 416)\n \n // Restore\n mstore(pos1, temp1)\n mstore(pos2, temp2)\n mstore(pos3, temp3)\n }\n return result;\n }\n}\n", - "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssetProxyDispatcher.sol\";\n\n\ncontract MAssetProxyDispatcher is\n IAssetProxyDispatcher\n{\n // Logs registration of new asset proxy\n event AssetProxyRegistered(\n bytes4 id, // Id of new registered AssetProxy.\n address assetProxy // Address of new registered AssetProxy.\n );\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal;\n}\n", - "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IExchangeCore.sol\";\n\n\ncontract MExchangeCore is\n IExchangeCore\n{\n // Fill event is emitted whenever an order is filled.\n event Fill(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that received fees.\n address takerAddress, // Address that filled the order.\n address senderAddress, // Address that called the Exchange contract (msg.sender).\n uint256 makerAssetFilledAmount, // Amount of makerAsset sold by maker and bought by taker. \n uint256 takerAssetFilledAmount, // Amount of takerAsset sold by taker and bought by maker.\n uint256 makerFeePaid, // Amount of ZRX paid to feeRecipient by maker.\n uint256 takerFeePaid, // Amount of ZRX paid to feeRecipient by taker.\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // Cancel event is emitted whenever an individual order is cancelled.\n event Cancel(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that would have recieved fees if order was filled. \n address senderAddress, // Address that called the Exchange contract (msg.sender).\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // CancelUpTo event is emitted whenever `cancelOrdersUpTo` is executed succesfully.\n event CancelUpTo(\n address indexed makerAddress, // Orders cancelled must have been created by this address.\n address indexed senderAddress, // Orders cancelled must have a `senderAddress` equal to this address.\n uint256 orderEpoch // Orders with specified makerAddress and senderAddress with a salt less than this value are considered cancelled.\n );\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrderInternal(LibOrder.Order memory order)\n internal;\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function updateFilledState(\n LibOrder.Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n LibFillResults.FillResults memory fillResults\n )\n internal;\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n LibOrder.Order memory order,\n bytes32 orderHash\n )\n internal;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo Status, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view;\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo\n )\n internal\n view;\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n LibOrder.Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.FillResults memory fillResults);\n\n}\n", - "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IMatchOrders.sol\";\n\n\ncontract MMatchOrders is\n IMatchOrders\n{\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure;\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n\n}\n", - "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/ISignatureValidator.sol\";\n\n\ncontract MSignatureValidator is\n ISignatureValidator\n{\n event SignatureValidatorApproval(\n address indexed signerAddress, // Address that approves or disapproves a contract to verify signatures.\n address indexed validatorAddress, // Address of signature validator contract.\n bool approved // Approval or disapproval of validator contract.\n );\n\n // Allowed signature types.\n enum SignatureType {\n Illegal, // 0x00, default value\n Invalid, // 0x01\n EIP712, // 0x02\n EthSign, // 0x03\n Wallet, // 0x04\n Validator, // 0x05\n PreSigned, // 0x06\n NSignatureTypes // 0x07, number of signature types. Always leave at end.\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/mixins/MTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"../interfaces/ITransactions.sol\";\n\n\ncontract MTransactions is\n ITransactions\n{\n // Hash for the EIP712 ZeroEx Transaction Schema\n bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"ZeroExTransaction(\",\n \"uint256 salt,\",\n \"address signerAddress,\",\n \"bytes data\",\n \")\"\n ));\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result);\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address);\n}\n", - "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IWrapperFunctions.sol\";\n\n\ncontract MWrapperFunctions is \n IWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n}\n", - "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/MintableERC20Token.sol\";\n\n\ncontract DummyERC20Token is \n Ownable,\n MintableERC20Token\n{\n string public name;\n string public symbol;\n uint256 public decimals;\n uint256 public constant MAX_MINT_AMOUNT = 10000000000000000000000;\n\n constructor (\n string _name,\n string _symbol,\n uint256 _decimals,\n uint256 _totalSupply\n )\n public\n {\n name = _name;\n symbol = _symbol;\n decimals = _decimals;\n _totalSupply = _totalSupply;\n balances[msg.sender] = _totalSupply;\n }\n\n /// @dev Sets the balance of target address\n /// @param _target Address or which balance will be updated\n /// @param _value New balance of target address\n function setBalance(address _target, uint256 _value)\n external\n onlyOwner\n {\n uint256 currBalance = balances[_target];\n if (_value < currBalance) {\n _totalSupply = safeSub(_totalSupply, safeSub(currBalance, _value));\n } else {\n _totalSupply = safeAdd(_totalSupply, safeSub(_value, currBalance));\n }\n balances[_target] = _value;\n }\n\n /// @dev Mints new tokens for sender\n /// @param _value Amount of tokens to mint\n function mint(uint256 _value)\n external\n {\n require(\n _value <= MAX_MINT_AMOUNT,\n \"VALUE_TOO_LARGE\"\n );\n\n _mint(msg.sender, _value);\n }\n}\n", - "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../tokens/ERC721Token/MintableERC721Token.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract DummyERC721Token is\n Ownable,\n MintableERC721Token\n{\n string public name;\n string public symbol;\n\n constructor (\n string _name,\n string _symbol\n )\n public\n {\n name = _name;\n symbol = _symbol;\n }\n\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function mint(address _to, uint256 _tokenId)\n external\n {\n _mint(_to, _tokenId);\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist or not called by contract owner\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function burn(address _owner, uint256 _tokenId)\n external\n onlyOwner\n {\n _burn(_owner, _tokenId);\n }\n}\n", - "2.0.0/tokens/ERC20Token/ERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC20Token.sol\";\n\n\ncontract ERC20Token is\n IERC20Token\n{\n mapping (address => uint256) internal balances;\n mapping (address => mapping (address => uint256)) internal allowed;\n\n uint256 internal _totalSupply;\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool)\n {\n require(\n balances[msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[msg.sender] -= _value;\n balances[_to] += _value;\n\n emit Transfer(\n msg.sender,\n _to,\n _value\n );\n\n return true;\n }\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowed[_from][msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n allowed[_from][msg.sender] -= _value;\n \n emit Transfer(\n _from,\n _to,\n _value\n );\n \n return true;\n }\n\n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool)\n {\n allowed[msg.sender][_spender] = _value;\n emit Approval(\n msg.sender,\n _spender,\n _value\n );\n return true;\n }\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256)\n {\n return _totalSupply;\n }\n\n /// @dev Query the balance of owner\n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n return balances[_owner];\n }\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256)\n {\n return allowed[_owner][_spender];\n }\n}\n", - "2.0.0/tokens/ERC20Token/IERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n \n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n \n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", - "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/SafeMath/SafeMath.sol\";\nimport \"./UnlimitedAllowanceERC20Token.sol\";\n\n\ncontract MintableERC20Token is \n SafeMath,\n UnlimitedAllowanceERC20Token\n{\n /// @dev Mints new tokens\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _value Amount of tokens to mint\n function _mint(address _to, uint256 _value)\n internal\n {\n balances[_to] = safeAdd(_value, balances[_to]);\n _totalSupply = safeAdd(_totalSupply, _value);\n\n emit Transfer(\n address(0),\n _to,\n _value\n );\n }\n\n /// @dev Mints new tokens\n /// @param _owner Owner of tokens that will be burned\n /// @param _value Amount of tokens to burn\n function _burn(address _owner, uint256 _value)\n internal\n {\n balances[_owner] = safeSub(balances[_owner], _value);\n _totalSupply = safeSub(_totalSupply, _value);\n\n emit Transfer(\n _owner,\n address(0),\n _value\n );\n }\n}\n", - "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/ERC20Token.sol\";\n\n\ncontract UnlimitedAllowanceERC20Token is\n ERC20Token\n{\n uint256 constant internal MAX_UINT = 2**256 - 1;\n\n /// @dev ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited allowance. See https://github.com/ethereum/EIPs/issues/717\n /// @param _from Address to transfer from.\n /// @param _to Address to transfer to.\n /// @param _value Amount to transfer.\n /// @return Success of transfer.\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n uint256 allowance = allowed[_from][msg.sender];\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowance >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n if (allowance < MAX_UINT) {\n allowed[_from][msg.sender] -= _value;\n }\n\n emit Transfer(\n _from,\n _to,\n _value\n );\n\n return true;\n }\n}\n", - "2.0.0/tokens/ERC721Token/ERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC721Token.sol\";\nimport \"./IERC721Receiver.sol\";\nimport \"../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract ERC721Token is\n IERC721Token,\n SafeMath\n{\n // Function selector for ERC721Receiver.onERC721Received\n // 0x150b7a02\n bytes4 constant internal ERC721_RECEIVED = bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"));\n\n // Mapping of tokenId => owner\n mapping (uint256 => address) internal owners;\n\n // Mapping of tokenId => approved address\n mapping (uint256 => address) internal approvals;\n\n // Mapping of owner => number of tokens owned\n mapping (address => uint256) internal balances;\n\n // Mapping of owner => operator => approved\n mapping (address => mapping (address => bool)) internal operatorApprovals;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n _data\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n \"\"\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external\n {\n address owner = ownerOf(_tokenId);\n require(\n msg.sender == owner || isApprovedForAll(owner, msg.sender),\n \"ERC721_INVALID_SENDER\"\n );\n\n approvals[_tokenId] = _approved;\n emit Approval(\n owner,\n _approved,\n _tokenId\n );\n }\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external\n {\n operatorApprovals[msg.sender][_operator] = _approved;\n emit ApprovalForAll(\n msg.sender,\n _operator,\n _approved\n );\n }\n \n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return balances[_owner];\n }\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = ownerOf(_tokenId);\n require(\n _from == owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n address spender = msg.sender;\n address approvedAddress = getApproved(_tokenId);\n require(\n spender == owner ||\n isApprovedForAll(owner, spender) ||\n approvedAddress == spender,\n \"ERC721_INVALID_SPENDER\"\n );\n\n if (approvedAddress != address(0)) {\n approvals[_tokenId] = address(0);\n }\n\n owners[_tokenId] = _to;\n balances[_from] = safeSub(balances[_from], 1);\n balances[_to] = safeAdd(balances[_to], 1);\n \n emit Transfer(\n _from,\n _to,\n _tokenId\n );\n }\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address)\n {\n address owner = owners[_tokenId];\n require(\n owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return owner;\n }\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId)\n public\n view\n returns (address)\n {\n return approvals[_tokenId];\n }\n\n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool)\n {\n return operatorApprovals[_owner][_operator];\n }\n}\n", - "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Receiver {\n\n /// @notice Handle the receipt of an NFT\n /// @dev The ERC721 smart contract calls this function on the recipient\n /// after a `transfer`. This function MAY throw to revert and reject the\n /// transfer. Return of other than the magic value MUST result in the\n /// transaction being reverted.\n /// Note: the contract address is always the message sender.\n /// @param _operator The address which called `safeTransferFrom` function\n /// @param _from The address which previously owned the token\n /// @param _tokenId The NFT identifier which is being transferred\n /// @param _data Additional data with no specified format\n /// @return `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`\n /// unless throwing\n function onERC721Received(\n address _operator,\n address _from,\n uint256 _tokenId,\n bytes _data\n )\n external\n returns (bytes4);\n}\n", - "2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Token {\n\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(\n address indexed _owner,\n address indexed _approved,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(\n address indexed _owner,\n address indexed _operator,\n bool _approved\n );\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// perator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external;\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public;\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address);\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) \n public\n view\n returns (address);\n \n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool);\n}\n", - "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./ERC721Token.sol\";\n\n\ncontract MintableERC721Token is\n ERC721Token\n{\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function _mint(address _to, uint256 _tokenId)\n internal\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == address(0),\n \"ERC721_OWNER_ALREADY_EXISTS\"\n );\n\n owners[_tokenId] = _to;\n balances[_to] = safeAdd(balances[_to], 1);\n\n emit Transfer(\n address(0),\n _to,\n _tokenId\n );\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function _burn(address _owner, uint256 _tokenId)\n internal\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == _owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n owners[_tokenId] = address(0);\n balances[_owner] = safeSub(balances[_owner], 1);\n\n emit Transfer(\n _owner,\n address(0),\n _tokenId\n );\n }\n}\n", - "2.0.0/tokens/EtherToken/IEtherToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/IERC20Token.sol\";\n\n\ncontract IEtherToken is\n IERC20Token\n{\n function deposit()\n public\n payable;\n \n function withdraw(uint256 amount)\n public;\n}\n", - "2.0.0/utils/LibBytes/LibBytes.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\nlibrary LibBytes {\n\n using LibBytes for bytes;\n\n /// @dev Gets the memory address for a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of byte array. This\n /// points to the header of the byte array which contains\n /// the length.\n function rawAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := input\n }\n return memoryAddress;\n }\n \n /// @dev Gets the memory address for the contents of a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of the contents of the byte array.\n function contentAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := add(input, 32)\n }\n return memoryAddress;\n }\n\n /// @dev Copies `length` bytes from memory location `source` to `dest`.\n /// @param dest memory address to copy bytes to.\n /// @param source memory address to copy bytes from.\n /// @param length number of bytes to copy.\n function memCopy(\n uint256 dest,\n uint256 source,\n uint256 length\n )\n internal\n pure\n {\n if (length < 32) {\n // Handle a partial word by reading destination and masking\n // off the bits we are interested in.\n // This correctly handles overlap, zero lengths and source == dest\n assembly {\n let mask := sub(exp(256, sub(32, length)), 1)\n let s := and(mload(source), not(mask))\n let d := and(mload(dest), mask)\n mstore(dest, or(s, d))\n }\n } else {\n // Skip the O(length) loop when source == dest.\n if (source == dest) {\n return;\n }\n\n // For large copies we copy whole words at a time. The final\n // word is aligned to the end of the range (instead of after the\n // previous) to handle partial words. So a copy will look like this:\n //\n // ####\n // ####\n // ####\n // ####\n //\n // We handle overlap in the source and destination range by\n // changing the copying direction. This prevents us from\n // overwriting parts of source that we still need to copy.\n //\n // This correctly handles source == dest\n //\n if (source > dest) {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because it\n // is easier to compare with in the loop, and these\n // are also the addresses we need for copying the\n // last bytes.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the last 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the last bytes in\n // source already due to overlap.\n let last := mload(sEnd)\n\n // Copy whole words front to back\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} lt(source, sEnd) {} {\n mstore(dest, mload(source))\n source := add(source, 32)\n dest := add(dest, 32)\n }\n \n // Write the last 32 bytes\n mstore(dEnd, last)\n }\n } else {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because those\n // are the starting points when copying a word at the end.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the first 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the first bytes in\n // source already due to overlap.\n let first := mload(source)\n\n // Copy whole words back to front\n // We use a signed comparisson here to allow dEnd to become\n // negative (happens when source and dest < 32). Valid\n // addresses in local memory will never be larger than\n // 2**255, so they can be safely re-interpreted as signed.\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} slt(dest, dEnd) {} {\n mstore(dEnd, mload(sEnd))\n sEnd := sub(sEnd, 32)\n dEnd := sub(dEnd, 32)\n }\n \n // Write the first 32 bytes\n mstore(dest, first)\n }\n }\n }\n }\n\n /// @dev Returns a slices from a byte array.\n /// @param b The byte array to take a slice from.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n function slice(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure and copy contents\n result = new bytes(to - from);\n memCopy(\n result.contentAddress(),\n b.contentAddress() + from,\n result.length\n );\n return result;\n }\n \n /// @dev Returns a slice from a byte array without preserving the input.\n /// @param b The byte array to take a slice from. Will be destroyed in the process.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n /// @dev When `from == 0`, the original array will match the slice. In other cases its state will be corrupted.\n function sliceDestructive(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure around [from, to) in-place.\n assembly {\n result := add(b, from)\n mstore(result, sub(to, from))\n }\n return result;\n }\n\n /// @dev Pops the last byte off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The byte that was popped off.\n function popLastByte(bytes memory b)\n internal\n pure\n returns (bytes1 result)\n {\n require(\n b.length > 0,\n \"GREATER_THAN_ZERO_LENGTH_REQUIRED\"\n );\n\n // Store last byte.\n result = b[b.length - 1];\n\n assembly {\n // Decrement length of byte array.\n let newLen := sub(mload(b), 1)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Pops the last 20 bytes off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The 20 byte address that was popped off.\n function popLast20Bytes(bytes memory b)\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= 20,\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Store last 20 bytes.\n result = readAddress(b, b.length - 20);\n\n assembly {\n // Subtract 20 from byte array length.\n let newLen := sub(mload(b), 20)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Tests equality of two byte arrays.\n /// @param lhs First byte array to compare.\n /// @param rhs Second byte array to compare.\n /// @return True if arrays are the same. False otherwise.\n function equals(\n bytes memory lhs,\n bytes memory rhs\n )\n internal\n pure\n returns (bool equal)\n {\n // Keccak gas cost is 30 + numWords * 6. This is a cheap way to compare.\n // We early exit on unequal lengths, but keccak would also correctly\n // handle this.\n return lhs.length == rhs.length && keccak256(lhs) == keccak256(rhs);\n }\n\n /// @dev Reads an address from a position in a byte array.\n /// @param b Byte array containing an address.\n /// @param index Index in byte array of address.\n /// @return address from byte array.\n function readAddress(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Read address from array memory\n assembly {\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 20-byte mask to obtain address\n result := and(mload(add(b, index)), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n return result;\n }\n\n /// @dev Writes an address into a specific position in a byte array.\n /// @param b Byte array to insert address into.\n /// @param index Index in byte array of address.\n /// @param input Address to put into byte array.\n function writeAddress(\n bytes memory b,\n uint256 index,\n address input\n )\n internal\n pure\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Store address into array memory\n assembly {\n // The address occupies 20 bytes and mstore stores 32 bytes.\n // First fetch the 32-byte word where we'll be storing the address, then\n // apply a mask so we have only the bytes in the word that the address will not occupy.\n // Then combine these bytes with the address and store the 32 bytes back to memory with mstore.\n\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 12-byte mask to obtain extra bytes occupying word of memory where we'll store the address\n let neighbors := and(\n mload(add(b, index)),\n 0xffffffffffffffffffffffff0000000000000000000000000000000000000000\n )\n \n // Make sure input address is clean.\n // (Solidity does not guarantee this)\n input := and(input, 0xffffffffffffffffffffffffffffffffffffffff)\n\n // Store the neighbors and address into memory\n mstore(add(b, index), xor(input, neighbors))\n }\n }\n\n /// @dev Reads a bytes32 value from a position in a byte array.\n /// @param b Byte array containing a bytes32 value.\n /// @param index Index in byte array of bytes32 value.\n /// @return bytes32 value from byte array.\n function readBytes32(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes32 result)\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n result := mload(add(b, index))\n }\n return result;\n }\n\n /// @dev Writes a bytes32 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes32 to put into byte array.\n function writeBytes32(\n bytes memory b,\n uint256 index,\n bytes32 input\n )\n internal\n pure\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n mstore(add(b, index), input)\n }\n }\n\n /// @dev Reads a uint256 value from a position in a byte array.\n /// @param b Byte array containing a uint256 value.\n /// @param index Index in byte array of uint256 value.\n /// @return uint256 value from byte array.\n function readUint256(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (uint256 result)\n {\n result = uint256(readBytes32(b, index));\n return result;\n }\n\n /// @dev Writes a uint256 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input uint256 to put into byte array.\n function writeUint256(\n bytes memory b,\n uint256 index,\n uint256 input\n )\n internal\n pure\n {\n writeBytes32(b, index, bytes32(input));\n }\n\n /// @dev Reads an unpadded bytes4 value from a position in a byte array.\n /// @param b Byte array containing a bytes4 value.\n /// @param index Index in byte array of bytes4 value.\n /// @return bytes4 value from byte array.\n function readBytes4(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes4 result)\n {\n require(\n b.length >= index + 4,\n \"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 32 byte length field\n index += 32;\n\n // Read the bytes4 from array memory\n assembly {\n result := mload(add(b, index))\n // Solidity does not require us to clean the trailing bytes.\n // We do it anyway\n result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)\n }\n return result;\n }\n\n /// @dev Reads nested bytes from a specific position.\n /// @dev NOTE: the returned value overlaps with the input value.\n /// Both should be treated as immutable.\n /// @param b Byte array containing nested bytes.\n /// @param index Index of nested bytes.\n /// @return result Nested bytes.\n function readBytesWithLength(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes memory result)\n {\n // Read length of nested bytes\n uint256 nestedBytesLength = readUint256(b, index);\n index += 32;\n\n // Assert length of is valid, given\n // length of nested bytes\n require(\n b.length >= index + nestedBytesLength,\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n \n // Return a pointer to the byte array as it exists inside `b`\n assembly {\n result := add(b, index)\n }\n return result;\n }\n\n /// @dev Inserts bytes at a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes to insert.\n function writeBytesWithLength(\n bytes memory b,\n uint256 index,\n bytes memory input\n )\n internal\n pure\n {\n // Assert length of is valid, given\n // length of input\n require(\n b.length >= index + 32 + input.length, // 32 bytes to store length\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n\n // Copy into \n memCopy(\n b.contentAddress() + index,\n input.rawAddress(), // includes length of \n input.length + 32 // +32 bytes to store length\n );\n }\n\n /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length.\n /// @param dest Byte array that will be overwritten with source bytes.\n /// @param source Byte array to copy onto dest bytes.\n function deepCopyBytes(\n bytes memory dest,\n bytes memory source\n )\n internal\n pure\n {\n uint256 sourceLen = source.length;\n // Dest length must be >= source length, or some bytes would not be copied.\n require(\n dest.length >= sourceLen,\n \"GREATER_OR_EQUAL_TO_SOURCE_BYTES_LENGTH_REQUIRED\"\n );\n memCopy(\n dest.contentAddress(),\n source.contentAddress(),\n sourceLen\n );\n }\n}\n", - "2.0.0/utils/Ownable/IOwnable.sol": "pragma solidity 0.4.24;\n\n\ncontract IOwnable {\n\n function transferOwnership(address newOwner)\n public;\n}\n", - "2.0.0/utils/Ownable/Ownable.sol": "pragma solidity 0.4.24;\n\nimport \"./IOwnable.sol\";\n\n\ncontract Ownable is\n IOwnable\n{\n address public owner;\n\n constructor ()\n public\n {\n owner = msg.sender;\n }\n\n modifier onlyOwner() {\n require(\n msg.sender == owner,\n \"ONLY_CONTRACT_OWNER\"\n );\n _;\n }\n\n function transferOwnership(address newOwner)\n public\n onlyOwner\n {\n if (newOwner != address(0)) {\n owner = newOwner;\n }\n }\n}\n", - "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ReentrancyGuard {\n\n // Locked state of mutex\n bool private locked = false;\n\n /// @dev Functions with this modifer cannot be reentered. The mutex will be locked\n /// before function execution and unlocked after.\n modifier nonReentrant() {\n // Ensure mutex is unlocked\n require(\n !locked,\n \"REENTRANCY_ILLEGAL\"\n );\n\n // Lock mutex before function call\n locked = true;\n\n // Perform function call\n _;\n\n // Unlock mutex after function call\n locked = false;\n }\n}\n", - "2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n\n function safeMul(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(\n c / a == b,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function safeDiv(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a / b;\n return c;\n }\n\n function safeSub(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n require(\n b <= a,\n \"UINT256_UNDERFLOW\"\n );\n return a - b;\n }\n\n function safeAdd(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a + b;\n require(\n c >= a,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function max64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n\n function max256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n}\n" - }, - "sourceTreeHashHex": "0xf4217ae1c8ee6ad15913d86a30747907f26acfb4a1970ea3c8a30d45ce9171d0", - "compiler": { - "name": "solc", - "version": "soljson-v0.4.24+commit.e67f0147.js", - "settings": { - "optimizer": { - "enabled": true, - "runs": 1000000 - }, - "outputSelection": { - "*": { - "*": [ - "abi", - "evm.bytecode.object", - "evm.bytecode.sourceMap", - "evm.deployedBytecode.object", - "evm.deployedBytecode.sourceMap" - ] - } - } - } - }, - "networks": {} -} \ No newline at end of file diff --git a/packages/migrations/artifacts/2.0.0-beta-testnet/Exchange.json b/packages/migrations/artifacts/2.0.0-beta-testnet/Exchange.json deleted file mode 100644 index 043b499b0..000000000 --- a/packages/migrations/artifacts/2.0.0-beta-testnet/Exchange.json +++ /dev/null @@ -1,2294 +0,0 @@ -{ - "schemaVersion": "2.0.0", - "contractName": "Exchange", - "compilerOutput": { - "abi": [ - { - "constant": true, - "inputs": [ - { - "name": "", - "type": "bytes32" - } - ], - "name": "filled", - "outputs": [ - { - "name": "", - "type": "uint256" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "components": [ - { - "name": "makerAddress", - "type": "address" - }, - { - "name": "takerAddress", - "type": "address" - }, - { - "name": "feeRecipientAddress", - "type": "address" - }, - { - "name": "senderAddress", - "type": "address" - }, - { - "name": "makerAssetAmount", - "type": "uint256" - }, - { - "name": "takerAssetAmount", - "type": "uint256" - }, - { - "name": "makerFee", - "type": "uint256" - }, - { - "name": "takerFee", - "type": "uint256" - }, - { - "name": "expirationTimeSeconds", - "type": "uint256" - }, - { - "name": "salt", - "type": "uint256" - }, - { - "name": "makerAssetData", - "type": "bytes" - }, - { - "name": "takerAssetData", - "type": "bytes" - } - ], - "name": "orders", - "type": "tuple[]" - }, - { - "name": "takerAssetFillAmounts", - "type": "uint256[]" - }, - { - "name": "signatures", - "type": "bytes[]" - } - ], - "name": "batchFillOrders", - "outputs": [ - { - "components": [ - { - "name": "makerAssetFilledAmount", - "type": "uint256" - }, - { - "name": "takerAssetFilledAmount", - "type": "uint256" - }, - { - "name": "makerFeePaid", - "type": "uint256" - }, - { - "name": "takerFeePaid", - "type": "uint256" - } - ], - "name": "totalFillResults", - "type": "tuple" - } - ], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "", - "type": "bytes32" - } - ], - "name": "cancelled", - "outputs": [ - { - "name": "", - "type": "bool" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "hash", - "type": "bytes32" - }, - { - "name": "signerAddress", - "type": "address" - }, - { - "name": "signature", - "type": "bytes" - } - ], - "name": "preSign", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "components": [ - { - "name": "makerAddress", - "type": "address" - }, - { - "name": "takerAddress", - "type": "address" - }, - { - "name": "feeRecipientAddress", - "type": "address" - }, - { - "name": "senderAddress", - "type": "address" - }, - { - "name": "makerAssetAmount", - "type": "uint256" - }, - { - "name": "takerAssetAmount", - "type": "uint256" - }, - { - "name": "makerFee", - "type": "uint256" - }, - { - "name": "takerFee", - "type": "uint256" - }, - { - "name": "expirationTimeSeconds", - "type": "uint256" - }, - { - "name": "salt", - "type": "uint256" - }, - { - "name": "makerAssetData", - "type": "bytes" - }, - { - "name": "takerAssetData", - "type": "bytes" - } - ], - "name": "leftOrder", - "type": "tuple" - }, - { - "components": [ - { - "name": "makerAddress", - "type": "address" - }, - { - "name": "takerAddress", - "type": "address" - }, - { - "name": "feeRecipientAddress", - "type": "address" - }, - { - "name": "senderAddress", - "type": "address" - }, - { - "name": "makerAssetAmount", - "type": "uint256" - }, - { - "name": "takerAssetAmount", - "type": "uint256" - }, - { - "name": "makerFee", - "type": "uint256" - }, - { - "name": "takerFee", - "type": "uint256" - }, - { - "name": "expirationTimeSeconds", - "type": "uint256" - }, - { - "name": "salt", - "type": "uint256" - }, - { - "name": "makerAssetData", - "type": "bytes" - }, - { - "name": "takerAssetData", - "type": "bytes" - } - ], - "name": "rightOrder", - "type": "tuple" - }, - { - "name": "leftSignature", - "type": "bytes" - }, - { - "name": "rightSignature", - "type": "bytes" - } - ], - "name": "matchOrders", - "outputs": [ - { - "components": [ - { - "components": [ - { - "name": "makerAssetFilledAmount", - "type": "uint256" - }, - { - "name": "takerAssetFilledAmount", - "type": "uint256" - }, - { - "name": "makerFeePaid", - "type": "uint256" - }, - { - "name": "takerFeePaid", - "type": "uint256" - } - ], - "name": "left", - "type": "tuple" - }, - { - "components": [ - { - "name": "makerAssetFilledAmount", - "type": "uint256" - }, - { - "name": "takerAssetFilledAmount", - "type": "uint256" - }, - { - "name": "makerFeePaid", - "type": "uint256" - }, - { - "name": "takerFeePaid", - "type": "uint256" - } - ], - "name": "right", - "type": "tuple" - }, - { - "name": "leftMakerAssetSpreadAmount", - "type": "uint256" - } - ], - "name": "matchedFillResults", - "type": "tuple" - } - ], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "components": [ - { - "name": "makerAddress", - "type": "address" - }, - { - "name": "takerAddress", - "type": "address" - }, - { - "name": "feeRecipientAddress", - "type": "address" - }, - { - "name": "senderAddress", - "type": "address" - }, - { - "name": "makerAssetAmount", - "type": "uint256" - }, - { - "name": "takerAssetAmount", - "type": "uint256" - }, - { - "name": "makerFee", - "type": "uint256" - }, - { - "name": "takerFee", - "type": "uint256" - }, - { - "name": "expirationTimeSeconds", - "type": "uint256" - }, - { - "name": "salt", - "type": "uint256" - }, - { - "name": "makerAssetData", - "type": "bytes" - }, - { - "name": "takerAssetData", - "type": "bytes" - } - ], - "name": "order", - "type": "tuple" - }, - { - "name": "takerAssetFillAmount", - "type": "uint256" - }, - { - "name": "signature", - "type": "bytes" - } - ], - "name": "fillOrderNoThrow", - "outputs": [ - { - "components": [ - { - "name": "makerAssetFilledAmount", - "type": "uint256" - }, - { - "name": "takerAssetFilledAmount", - "type": "uint256" - }, - { - "name": "makerFeePaid", - "type": "uint256" - }, - { - "name": "takerFeePaid", - "type": "uint256" - } - ], - "name": "fillResults", - "type": "tuple" - } - ], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "", - "type": "bytes4" - } - ], - "name": "assetProxies", - "outputs": [ - { - "name": "", - "type": "address" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "components": [ - { - "name": "makerAddress", - "type": "address" - }, - { - "name": "takerAddress", - "type": "address" - }, - { - "name": "feeRecipientAddress", - "type": "address" - }, - { - "name": "senderAddress", - "type": "address" - }, - { - "name": "makerAssetAmount", - "type": "uint256" - }, - { - "name": "takerAssetAmount", - "type": "uint256" - }, - { - "name": "makerFee", - "type": "uint256" - }, - { - "name": "takerFee", - "type": "uint256" - }, - { - "name": "expirationTimeSeconds", - "type": "uint256" - }, - { - "name": "salt", - "type": "uint256" - }, - { - "name": "makerAssetData", - "type": "bytes" - }, - { - "name": "takerAssetData", - "type": "bytes" - } - ], - "name": "orders", - "type": "tuple[]" - } - ], - "name": "batchCancelOrders", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "components": [ - { - "name": "makerAddress", - "type": "address" - }, - { - "name": "takerAddress", - "type": "address" - }, - { - "name": "feeRecipientAddress", - "type": "address" - }, - { - "name": "senderAddress", - "type": "address" - }, - { - "name": "makerAssetAmount", - "type": "uint256" - }, - { - "name": "takerAssetAmount", - "type": "uint256" - }, - { - "name": "makerFee", - "type": "uint256" - }, - { - "name": "takerFee", - "type": "uint256" - }, - { - "name": "expirationTimeSeconds", - "type": "uint256" - }, - { - "name": "salt", - "type": "uint256" - }, - { - "name": "makerAssetData", - "type": "bytes" - }, - { - "name": "takerAssetData", - "type": "bytes" - } - ], - "name": "orders", - "type": "tuple[]" - }, - { - "name": "takerAssetFillAmounts", - "type": "uint256[]" - }, - { - "name": "signatures", - "type": "bytes[]" - } - ], - "name": "batchFillOrKillOrders", - "outputs": [ - { - "components": [ - { - "name": "makerAssetFilledAmount", - "type": "uint256" - }, - { - "name": "takerAssetFilledAmount", - "type": "uint256" - }, - { - "name": "makerFeePaid", - "type": "uint256" - }, - { - "name": "takerFeePaid", - "type": "uint256" - } - ], - "name": "totalFillResults", - "type": "tuple" - } - ], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "targetOrderEpoch", - "type": "uint256" - } - ], - "name": "cancelOrdersUpTo", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "components": [ - { - "name": "makerAddress", - "type": "address" - }, - { - "name": "takerAddress", - "type": "address" - }, - { - "name": "feeRecipientAddress", - "type": "address" - }, - { - "name": "senderAddress", - "type": "address" - }, - { - "name": "makerAssetAmount", - "type": "uint256" - }, - { - "name": "takerAssetAmount", - "type": "uint256" - }, - { - "name": "makerFee", - "type": "uint256" - }, - { - "name": "takerFee", - "type": "uint256" - }, - { - "name": "expirationTimeSeconds", - "type": "uint256" - }, - { - "name": "salt", - "type": "uint256" - }, - { - "name": "makerAssetData", - "type": "bytes" - }, - { - "name": "takerAssetData", - "type": "bytes" - } - ], - "name": 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{ - "name": "", - "type": "bool" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "components": [ - { - "name": "makerAddress", - "type": "address" - }, - { - "name": "takerAddress", - "type": "address" - }, - { - "name": "feeRecipientAddress", - "type": "address" - }, - { - "name": "senderAddress", - "type": "address" - }, - { - "name": "makerAssetAmount", - "type": "uint256" - }, - { - "name": "takerAssetAmount", - "type": "uint256" - }, - { - "name": "makerFee", - "type": "uint256" - }, - { - "name": "takerFee", - "type": "uint256" - }, - { - "name": "expirationTimeSeconds", - "type": "uint256" - }, - { - "name": "salt", - "type": "uint256" - }, - { - "name": "makerAssetData", - "type": "bytes" - }, - { - "name": "takerAssetData", - "type": "bytes" - } - ], - "name": "order", - "type": "tuple" - }, - { - "name": "takerAssetFillAmount", - "type": "uint256" - }, - { - "name": "signature", - "type": "bytes" - } - ], - "name": "fillOrKillOrder", - "outputs": [ - { - "components": [ - { - "name": "makerAssetFilledAmount", - "type": "uint256" - }, - { - "name": "takerAssetFilledAmount", - "type": "uint256" - }, - { - "name": "makerFeePaid", - "type": "uint256" - }, - { - "name": "takerFeePaid", - "type": "uint256" - } - ], - "name": "fillResults", - "type": "tuple" - } - ], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "validatorAddress", - "type": "address" - }, - { - "name": "approval", - "type": "bool" - } - ], - "name": "setSignatureValidatorApproval", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "", - "type": "address" - }, - { - "name": "", - "type": "address" - } - ], - "name": "allowedValidators", - "outputs": [ - { - "name": "", - "type": "bool" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "components": [ - { - "name": "makerAddress", - "type": "address" - }, - { - "name": "takerAddress", - "type": "address" - }, - { - "name": "feeRecipientAddress", - "type": "address" - }, - { - "name": "senderAddress", - "type": "address" - }, - { - "name": "makerAssetAmount", - "type": "uint256" - }, - { - "name": "takerAssetAmount", - "type": "uint256" - }, - { - "name": "makerFee", - "type": "uint256" - }, - { - "name": "takerFee", - "type": "uint256" - }, - { - "name": "expirationTimeSeconds", - "type": "uint256" - }, - { - "name": "salt", - "type": "uint256" - }, - { - "name": "makerAssetData", - "type": "bytes" - }, - { - "name": "takerAssetData", - "type": "bytes" - } - ], - "name": "orders", - "type": "tuple[]" - }, - { - "name": "takerAssetFillAmount", - "type": "uint256" - }, - { - "name": "signatures", - "type": "bytes[]" - } - ], - "name": "marketSellOrders", - "outputs": [ - { - "components": [ - { - "name": "makerAssetFilledAmount", - "type": "uint256" - }, - { - "name": "takerAssetFilledAmount", - "type": "uint256" - }, - { - "name": "makerFeePaid", - "type": "uint256" - }, - { - "name": "takerFeePaid", - "type": "uint256" - } - ], - "name": "totalFillResults", - "type": "tuple" - } - ], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "components": [ - { - "name": "makerAddress", - "type": "address" - }, - { - "name": "takerAddress", - "type": "address" - }, - { - "name": "feeRecipientAddress", - "type": "address" - }, - { - "name": "senderAddress", - "type": "address" - }, - { - "name": "makerAssetAmount", - "type": "uint256" - }, - { - "name": "takerAssetAmount", - "type": "uint256" - }, - { - "name": "makerFee", - "type": "uint256" - }, - { - "name": "takerFee", - "type": "uint256" - }, - { - "name": "expirationTimeSeconds", - "type": "uint256" - }, - { - "name": "salt", - "type": "uint256" - }, - { - "name": "makerAssetData", - "type": "bytes" - }, - { - "name": "takerAssetData", - "type": "bytes" - } - ], - "name": "orders", - "type": "tuple[]" - } - ], - "name": "getOrdersInfo", - "outputs": [ - { - "components": [ - { - "name": "orderStatus", - "type": "uint8" - }, - { - "name": "orderHash", - "type": "bytes32" - }, - { - "name": "orderTakerAssetFilledAmount", - "type": "uint256" - } - ], - "name": "", - "type": "tuple[]" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "", - "type": "bytes32" - }, - { - "name": "", - "type": "address" - } - ], - "name": "preSigned", - "outputs": [ - { - "name": "", - "type": "bool" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [], - "name": "owner", - "outputs": [ - { - "name": "", - "type": "address" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "hash", - "type": "bytes32" - }, - { - "name": "signerAddress", - "type": "address" - }, - { - "name": "signature", - "type": "bytes" - } - ], - "name": "isValidSignature", - "outputs": [ - { - "name": "isValid", - "type": "bool" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "components": [ - { - "name": "makerAddress", - "type": "address" - }, - { - "name": "takerAddress", - "type": "address" - }, - { - "name": "feeRecipientAddress", - "type": "address" - }, - { - "name": "senderAddress", - "type": "address" - }, - { - "name": "makerAssetAmount", - "type": "uint256" - }, - { - "name": "takerAssetAmount", - "type": "uint256" - }, - { - "name": "makerFee", - "type": "uint256" - }, - { - "name": "takerFee", - "type": "uint256" - }, - { - "name": "expirationTimeSeconds", - "type": "uint256" - }, - { - "name": "salt", - "type": "uint256" - }, - { - "name": "makerAssetData", - "type": "bytes" - }, - { - "name": "takerAssetData", - "type": "bytes" - } - ], - "name": "orders", - "type": "tuple[]" - }, - { - "name": "makerAssetFillAmount", - "type": "uint256" - }, - { - "name": "signatures", - "type": "bytes[]" - } - ], - "name": "marketBuyOrdersNoThrow", - "outputs": [ - { - "components": [ - { - "name": "makerAssetFilledAmount", - "type": "uint256" - }, - { - "name": "takerAssetFilledAmount", - "type": "uint256" - }, - { - "name": "makerFeePaid", - "type": "uint256" - }, - { - "name": "takerFeePaid", - "type": "uint256" - } - ], - "name": "totalFillResults", - "type": "tuple" - } - ], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "components": [ - { - "name": "makerAddress", - "type": "address" - }, - { - "name": "takerAddress", - "type": "address" - }, - { - "name": "feeRecipientAddress", - "type": "address" - }, - { - "name": "senderAddress", - "type": "address" - }, - { - "name": "makerAssetAmount", - "type": "uint256" - }, - { - "name": "takerAssetAmount", - "type": "uint256" - }, - { - "name": "makerFee", - "type": "uint256" - }, - { - "name": "takerFee", - "type": "uint256" - }, - { - "name": "expirationTimeSeconds", - "type": "uint256" - }, - { - "name": "salt", - "type": "uint256" - }, - { - "name": "makerAssetData", - "type": "bytes" - }, - { - "name": "takerAssetData", - "type": "bytes" - } - ], - "name": "order", - "type": "tuple" - }, - { - "name": "takerAssetFillAmount", - "type": "uint256" - }, - { - "name": "signature", - "type": "bytes" - } - ], - "name": "fillOrder", - "outputs": [ - { - "components": [ - { - "name": "makerAssetFilledAmount", - "type": "uint256" - }, - { - "name": "takerAssetFilledAmount", - "type": "uint256" - }, - { - "name": "makerFeePaid", - "type": "uint256" - }, - { - "name": "takerFeePaid", - "type": "uint256" - } - ], - "name": "fillResults", - "type": "tuple" - } - ], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "salt", - "type": "uint256" - }, - { - "name": "signerAddress", - "type": "address" - }, - { - "name": "data", - "type": "bytes" - }, - { - "name": "signature", - "type": "bytes" - } - ], - "name": "executeTransaction", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "assetProxy", - "type": "address" - } - ], - "name": "registerAssetProxy", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "components": [ - { - "name": "makerAddress", - "type": "address" - }, - { - "name": "takerAddress", - "type": "address" - }, - { - "name": "feeRecipientAddress", - "type": "address" - }, - { - "name": "senderAddress", - "type": "address" - }, - { - "name": 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- "opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x0 DUP1 SLOAD PUSH1 0xFF NOT AND SWAP1 SSTORE CALLVALUE DUP1 ISZERO PUSH3 0x1B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x40 MLOAD PUSH3 0x5EC0 CODESIZE SUB DUP1 PUSH3 0x5EC0 DUP4 CODECOPY DUP2 ADD DUP1 PUSH1 0x40 MSTORE PUSH3 0x41 SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH3 0x44D JUMP JUMPDEST DUP1 MLOAD DUP2 SWAP1 PUSH3 0x58 SWAP1 PUSH1 0x1 SWAP1 PUSH1 0x20 DUP5 ADD SWAP1 PUSH3 0x34C JUMP JUMPDEST POP POP PUSH1 0x40 DUP1 MLOAD PUSH32 0x454950373132446F6D61696E2800000000000000000000000000000000000000 PUSH1 0x20 DUP1 DUP4 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH32 0x737472696E67206E616D652C0000000000000000000000000000000000000000 PUSH1 0x2D DUP4 ADD MSTORE PUSH32 0x737472696E672076657273696F6E2C0000000000000000000000000000000000 PUSH1 0x39 DUP4 ADD MSTORE PUSH32 0x6164647265737320766572696679696E67436F6E747261637400000000000000 PUSH1 0x48 DUP4 ADD MSTORE PUSH32 0x2900000000000000000000000000000000000000000000000000000000000000 PUSH1 0x61 DUP4 ADD MSTORE DUP3 MLOAD PUSH1 0x42 DUP2 DUP5 SUB ADD DUP2 MSTORE PUSH1 0x62 SWAP1 SWAP3 ADD SWAP3 DUP4 SWAP1 MSTORE DUP2 MLOAD SWAP2 SWAP3 SWAP2 DUP3 SWAP2 DUP5 ADD SWAP1 DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH3 0x162 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH1 0x1F NOT SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH3 0x141 JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH1 0x0 NOT ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 DUP1 MLOAD SWAP3 SWAP1 SWAP5 ADD DUP3 SWAP1 SUB DUP3 KECCAK256 DUP3 DUP6 ADD DUP6 MSTORE PUSH1 0xB DUP1 DUP5 MSTORE PUSH32 0x30782050726F746F636F6C000000000000000000000000000000000000000000 SWAP3 DUP5 ADD SWAP3 DUP4 MSTORE SWAP5 MLOAD SWAP1 SWAP7 POP SWAP2 SWAP5 POP SWAP1 SWAP3 DUP4 SWAP3 POP DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH3 0x1EC JUMPI DUP1 MLOAD DUP3 MSTORE PUSH1 0x1F NOT SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH3 0x1CB JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH1 0x0 NOT ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 DUP1 MLOAD SWAP3 SWAP1 SWAP5 ADD DUP3 SWAP1 SUB DUP3 KECCAK256 DUP3 DUP6 ADD DUP6 MSTORE PUSH1 0x1 DUP1 DUP5 MSTORE PUSH32 0x3200000000000000000000000000000000000000000000000000000000000000 SWAP3 DUP5 ADD SWAP3 DUP4 MSTORE SWAP5 MLOAD SWAP1 SWAP7 POP SWAP2 SWAP5 POP SWAP1 SWAP3 DUP4 SWAP3 POP DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH3 0x276 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH1 0x1F NOT SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH3 0x255 JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH1 0x0 NOT ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 DUP1 MLOAD SWAP3 SWAP1 SWAP5 ADD DUP3 SWAP1 SUB DUP3 KECCAK256 DUP3 DUP3 ADD SWAP9 SWAP1 SWAP9 MSTORE DUP2 DUP5 ADD SWAP7 SWAP1 SWAP7 MSTORE PUSH1 0x60 DUP2 ADD SWAP7 SWAP1 SWAP7 MSTORE POP ADDRESS PUSH1 0x80 DUP1 DUP8 ADD SWAP2 SWAP1 SWAP2 MSTORE DUP2 MLOAD DUP1 DUP8 SUB SWAP1 SWAP2 ADD DUP2 MSTORE PUSH1 0xA0 SWAP1 SWAP6 ADD SWAP1 DUP2 SWAP1 MSTORE DUP5 MLOAD SWAP1 SWAP4 DUP5 SWAP4 POP DUP6 ADD SWAP2 POP DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH3 0x301 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH1 0x1F NOT SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH3 0x2E0 JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x0 NOT PUSH1 0x20 SWAP5 SWAP1 SWAP5 SUB PUSH2 0x100 EXP SWAP4 SWAP1 SWAP4 ADD SWAP3 DUP4 AND SWAP3 NOT AND SWAP2 SWAP1 SWAP2 OR SWAP1 MSTORE PUSH1 0x40 MLOAD SWAP3 ADD DUP3 SWAP1 SUB SWAP1 SWAP2 KECCAK256 PUSH1 0x2 SSTORE POP POP PUSH1 0x3 DUP1 SLOAD PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB NOT AND CALLER OR SWAP1 SSTORE POP PUSH3 0x50F SWAP1 POP JUMP JUMPDEST DUP3 DUP1 SLOAD PUSH1 0x1 DUP2 PUSH1 0x1 AND ISZERO PUSH2 0x100 MUL SUB AND PUSH1 0x2 SWAP1 DIV SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 PUSH1 0x1F ADD PUSH1 0x20 SWAP1 DIV DUP2 ADD SWAP3 DUP3 PUSH1 0x1F LT PUSH3 0x38F JUMPI DUP1 MLOAD PUSH1 0xFF NOT AND DUP4 DUP1 ADD OR DUP6 SSTORE PUSH3 0x3BF JUMP JUMPDEST DUP3 DUP1 ADD PUSH1 0x1 ADD DUP6 SSTORE DUP3 ISZERO PUSH3 0x3BF JUMPI SWAP2 DUP3 ADD JUMPDEST DUP3 DUP2 GT ISZERO PUSH3 0x3BF JUMPI DUP3 MLOAD DUP3 SSTORE SWAP2 PUSH1 0x20 ADD SWAP2 SWAP1 PUSH1 0x1 ADD SWAP1 PUSH3 0x3A2 JUMP JUMPDEST POP PUSH3 0x3CD SWAP3 SWAP2 POP PUSH3 0x3D1 JUMP JUMPDEST POP SWAP1 JUMP JUMPDEST PUSH3 0x3EE SWAP2 SWAP1 JUMPDEST DUP1 DUP3 GT ISZERO PUSH3 0x3CD JUMPI PUSH1 0x0 DUP2 SSTORE PUSH1 0x1 ADD PUSH3 0x3D8 JUMP JUMPDEST SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH3 0x403 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 MLOAD PUSH3 0x41A PUSH3 0x414 DUP3 PUSH3 0x4B4 JUMP JUMPDEST PUSH3 0x48D JUMP JUMPDEST SWAP2 POP DUP1 DUP3 MSTORE PUSH1 0x20 DUP4 ADD PUSH1 0x20 DUP4 ADD DUP6 DUP4 DUP4 ADD GT ISZERO PUSH3 0x437 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH3 0x444 DUP4 DUP3 DUP5 PUSH3 0x4DC JUMP JUMPDEST POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH3 0x460 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 MLOAD PUSH1 0x1 PUSH1 0x40 PUSH1 0x2 EXP SUB DUP2 GT ISZERO PUSH3 0x477 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH3 0x485 DUP5 DUP3 DUP6 ADD PUSH3 0x3F1 JUMP JUMPDEST SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x40 MLOAD DUP2 DUP2 ADD PUSH1 0x1 PUSH1 0x40 PUSH1 0x2 EXP SUB DUP2 GT DUP3 DUP3 LT OR ISZERO PUSH3 0x4AC JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x40 MSTORE SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1 PUSH1 0x40 PUSH1 0x2 EXP SUB DUP3 GT ISZERO PUSH3 0x4CB JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x20 PUSH1 0x1F SWAP2 SWAP1 SWAP2 ADD PUSH1 0x1F NOT AND ADD SWAP1 JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH3 0x4F9 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH3 0x4DF JUMP JUMPDEST DUP4 DUP2 GT ISZERO PUSH3 0x509 JUMPI PUSH1 0x0 DUP5 DUP5 ADD MSTORE JUMPDEST POP POP POP POP JUMP JUMPDEST PUSH2 0x59A1 DUP1 PUSH3 0x51F PUSH1 0x0 CODECOPY PUSH1 0x0 RETURN STOP PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0x1B6 JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x288CDC91 DUP2 EQ PUSH2 0x1BB JUMPI DUP1 PUSH4 0x297BB70B EQ PUSH2 0x1F1 JUMPI DUP1 PUSH4 0x2AC12622 EQ PUSH2 0x21E JUMPI DUP1 PUSH4 0x3683EF8E EQ PUSH2 0x24B JUMPI DUP1 PUSH4 0x3C28D861 EQ PUSH2 0x26D JUMPI DUP1 PUSH4 0x3E228BAE EQ PUSH2 0x29A JUMPI DUP1 PUSH4 0x3FD3C997 EQ PUSH2 0x2BA JUMPI DUP1 PUSH4 0x4AC14782 EQ PUSH2 0x2E7 JUMPI DUP1 PUSH4 0x4D0AE546 EQ PUSH2 0x307 JUMPI DUP1 PUSH4 0x4F9559B1 EQ PUSH2 0x327 JUMPI DUP1 PUSH4 0x50DDE190 EQ PUSH2 0x347 JUMPI DUP1 PUSH4 0x60704108 EQ PUSH2 0x367 JUMPI DUP1 PUSH4 0x642F2EAF EQ PUSH2 0x394 JUMPI DUP1 PUSH4 0x64A3BC15 EQ PUSH2 0x3B4 JUMPI DUP1 PUSH4 0x77FCCE68 EQ PUSH2 0x3D4 JUMPI DUP1 PUSH4 0x7B8E3514 EQ PUSH2 0x3F4 JUMPI DUP1 PUSH4 0x7E1D9808 EQ PUSH2 0x414 JUMPI DUP1 PUSH4 0x7E9D74DC EQ PUSH2 0x434 JUMPI DUP1 PUSH4 0x82C174D0 EQ PUSH2 0x461 JUMPI DUP1 PUSH4 0x8DA5CB5B EQ PUSH2 0x481 JUMPI DUP1 PUSH4 0x93634702 EQ PUSH2 0x496 JUMPI DUP1 PUSH4 0xA3E20380 EQ PUSH2 0x4B6 JUMPI DUP1 PUSH4 0xB4BE83D5 EQ PUSH2 0x4D6 JUMPI DUP1 PUSH4 0xBFC8BFCE EQ PUSH2 0x4F6 JUMPI DUP1 PUSH4 0xC585BB93 EQ PUSH2 0x516 JUMPI DUP1 PUSH4 0xC75E0A81 EQ PUSH2 0x536 JUMPI DUP1 PUSH4 0xD46B02C3 EQ PUSH2 0x563 JUMPI DUP1 PUSH4 0xD9BFA73E EQ PUSH2 0x583 JUMPI DUP1 PUSH4 0xDB123B1A EQ PUSH2 0x5A3 JUMPI DUP1 PUSH4 0xDD1C7D18 EQ PUSH2 0x5C5 JUMPI DUP1 PUSH4 0xE306F779 EQ PUSH2 0x5E5 JUMPI DUP1 PUSH4 0xE5FA431B EQ PUSH2 0x5FA JUMPI DUP1 PUSH4 0xEEA086BA EQ PUSH2 0x61A JUMPI DUP1 PUSH4 0xF2FDE38B EQ PUSH2 0x62F JUMPI DUP1 PUSH4 0xFFA1AD74 EQ PUSH2 0x64F JUMPI JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1C7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH2 0x1D6 CALLDATASIZE PUSH1 0x4 PUSH2 0x48EE JUMP JUMPDEST PUSH2 0x664 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x5513 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1FD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x20C CALLDATASIZE PUSH1 0x4 PUSH2 0x4811 JUMP JUMPDEST PUSH2 0x676 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x57ED JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x22A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x23E PUSH2 0x239 CALLDATASIZE PUSH1 0x4 PUSH2 0x48EE JUMP JUMPDEST PUSH2 0x7A1 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x5505 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x257 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x266 CALLDATASIZE PUSH1 0x4 PUSH2 0x492B JUMP JUMPDEST PUSH2 0x7B6 JUMP JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x279 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x28D PUSH2 0x288 CALLDATASIZE PUSH1 0x4 PUSH2 0x4A5F JUMP JUMPDEST PUSH2 0x8A3 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x57FB JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2A6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x2B5 CALLDATASIZE PUSH1 0x4 PUSH2 0x4B1F JUMP JUMPDEST PUSH2 0xA3A JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2C6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2DA PUSH2 0x2D5 CALLDATASIZE PUSH1 0x4 PUSH2 0x49EE JUMP JUMPDEST PUSH2 0xA90 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x55CF JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2F3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x302 CALLDATASIZE PUSH1 0x4 PUSH2 0x47DC JUMP JUMPDEST PUSH2 0xAB8 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x313 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x322 CALLDATASIZE PUSH1 0x4 PUSH2 0x4811 JUMP JUMPDEST PUSH2 0xB85 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x333 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x342 CALLDATASIZE PUSH1 0x4 PUSH2 0x48EE JUMP JUMPDEST PUSH2 0xC75 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x353 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x362 CALLDATASIZE PUSH1 0x4 PUSH2 0x4811 JUMP JUMPDEST PUSH2 0xE2A JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x373 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x387 PUSH2 0x382 CALLDATASIZE PUSH1 0x4 PUSH2 0x49EE JUMP JUMPDEST PUSH2 0xEBE JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x5425 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3A0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x23E PUSH2 0x3AF CALLDATASIZE PUSH1 0x4 PUSH2 0x48EE JUMP JUMPDEST PUSH2 0xF0C JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3C0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x3CF CALLDATASIZE PUSH1 0x4 PUSH2 0x4B1F JUMP JUMPDEST PUSH2 0xF21 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3E0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x3EF CALLDATASIZE PUSH1 0x4 PUSH2 0x47AC JUMP JUMPDEST PUSH2 0xFCC JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x400 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x23E PUSH2 0x40F CALLDATASIZE PUSH1 0x4 PUSH2 0x4772 JUMP JUMPDEST PUSH2 0x1106 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x420 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x42F CALLDATASIZE PUSH1 0x4 PUSH2 0x48A5 JUMP JUMPDEST PUSH2 0x1126 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x440 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x454 PUSH2 0x44F CALLDATASIZE PUSH1 0x4 PUSH2 0x47DC JUMP JUMPDEST PUSH2 0x128A JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x54F4 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x46D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x23E PUSH2 0x47C CALLDATASIZE PUSH1 0x4 PUSH2 0x490C JUMP JUMPDEST PUSH2 0x131F JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x48D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x387 PUSH2 0x133F JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x4A2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x23E PUSH2 0x4B1 CALLDATASIZE PUSH1 0x4 PUSH2 0x4993 JUMP JUMPDEST PUSH2 0x135B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x4C2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x4D1 CALLDATASIZE PUSH1 0x4 PUSH2 0x48A5 JUMP JUMPDEST PUSH2 0x18DE JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x4E2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x4F1 CALLDATASIZE PUSH1 0x4 PUSH2 0x4B1F JUMP JUMPDEST PUSH2 0x19F1 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x502 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x511 CALLDATASIZE PUSH1 0x4 PUSH2 0x4B68 JUMP JUMPDEST PUSH2 0x1A6C JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x522 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x531 CALLDATASIZE PUSH1 0x4 PUSH2 0x4754 JUMP JUMPDEST PUSH2 0x1D05 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x542 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x556 PUSH2 0x551 CALLDATASIZE PUSH1 0x4 PUSH2 0x4A2A JUMP JUMPDEST PUSH2 0x1F30 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x580A JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x56F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x57E CALLDATASIZE PUSH1 0x4 PUSH2 0x4A2A JUMP JUMPDEST PUSH2 0x202A JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x58F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH2 0x59E CALLDATASIZE PUSH1 0x4 PUSH2 0x4772 JUMP JUMPDEST PUSH2 0x20C6 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x5AF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x5B8 PUSH2 0x20E3 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x55BE JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x5D1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x5E0 CALLDATASIZE PUSH1 0x4 PUSH2 0x48A5 JUMP JUMPDEST PUSH2 0x218E JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x5F1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH2 0x2263 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x606 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x615 CALLDATASIZE PUSH1 0x4 PUSH2 0x48A5 JUMP JUMPDEST PUSH2 0x2269 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x626 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x387 PUSH2 0x23DB JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x63B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x64A CALLDATASIZE PUSH1 0x4 PUSH2 0x4754 JUMP JUMPDEST PUSH2 0x23F7 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x65B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x5B8 PUSH2 0x24A8 JUMP JUMPDEST PUSH1 0x4 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP2 JUMP JUMPDEST PUSH2 0x67E PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0x689 PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x6CF JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x576D JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR DUP2 SSTORE DUP8 MLOAD SWAP4 POP SWAP2 POP JUMPDEST DUP2 DUP4 EQ PUSH2 0x76F JUMPI PUSH2 0x758 DUP8 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x719 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP8 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x731 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP8 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x749 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x24DF JUMP JUMPDEST SWAP1 POP PUSH2 0x764 DUP5 DUP3 PUSH2 0x257D JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH2 0x701 JUMP JUMPDEST POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x5 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND CALLER EQ PUSH2 0x846 JUMPI PUSH2 0x80E DUP5 DUP5 DUP5 DUP5 DUP1 DUP1 PUSH1 0x1F ADD PUSH1 0x20 DUP1 SWAP2 DIV MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP4 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP4 DUP4 DUP1 DUP3 DUP5 CALLDATACOPY POP PUSH2 0x135B SWAP5 POP POP POP POP POP JUMP JUMPDEST ISZERO ISZERO PUSH2 0x846 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x569D JUMP JUMPDEST POP POP PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x7 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP4 AND DUP5 MSTORE SWAP2 SWAP1 MSTORE SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE JUMP JUMPDEST PUSH2 0x8AB PUSH2 0x43AF JUMP JUMPDEST PUSH2 0x8B3 PUSH2 0x43DE JUMP JUMPDEST PUSH2 0x8BB PUSH2 0x43DE JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x8F9 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x576D JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE PUSH2 0x160 DUP1 DUP10 ADD MLOAD PUSH2 0x140 DUP1 DUP11 ADD SWAP2 SWAP1 SWAP2 MSTORE DUP10 ADD MLOAD SWAP1 DUP9 ADD MSTORE PUSH2 0x945 DUP9 PUSH2 0x1F30 JUMP JUMPDEST SWAP3 POP PUSH2 0x950 DUP8 PUSH2 0x1F30 JUMP JUMPDEST SWAP2 POP PUSH2 0x95A PUSH2 0x25DF JUMP JUMPDEST SWAP1 POP PUSH2 0x968 DUP9 DUP5 DUP4 DUP10 PUSH2 0x2611 JUMP JUMPDEST PUSH2 0x974 DUP8 DUP4 DUP4 DUP9 PUSH2 0x2611 JUMP JUMPDEST PUSH2 0x97E DUP9 DUP9 PUSH2 0x27A9 JUMP JUMPDEST PUSH2 0x992 DUP9 DUP9 DUP6 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x40 ADD MLOAD PUSH2 0x2809 JUMP JUMPDEST DUP1 MLOAD PUSH1 0x20 DUP2 ADD MLOAD SWAP1 MLOAD SWAP2 SWAP6 POP PUSH2 0x9AD SWAP2 DUP11 SWAP2 DUP7 SWAP2 DUP2 SWAP1 PUSH2 0x2990 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP6 ADD MLOAD SWAP1 DUP2 ADD MLOAD SWAP1 MLOAD PUSH2 0x9C9 SWAP2 DUP10 SWAP2 DUP6 SWAP2 SWAP1 DUP2 SWAP1 PUSH2 0x2990 JUMP JUMPDEST PUSH2 0x9E2 DUP9 DUP3 DUP6 PUSH1 0x20 ADD MLOAD DUP7 PUSH1 0x40 ADD MLOAD DUP9 PUSH1 0x0 ADD MLOAD PUSH2 0x2AA9 JUMP JUMPDEST PUSH2 0x9FB DUP8 DUP3 DUP5 PUSH1 0x20 ADD MLOAD DUP6 PUSH1 0x40 ADD MLOAD DUP9 PUSH1 0x20 ADD MLOAD PUSH2 0x2AA9 JUMP JUMPDEST PUSH2 0xA07 DUP9 DUP9 DUP4 DUP8 PUSH2 0x2B55 JUMP JUMPDEST POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH2 0xA42 PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x60 PUSH2 0xA4F DUP6 DUP6 DUP6 PUSH2 0x2D2D JUMP JUMPDEST SWAP1 POP PUSH1 0x80 DUP2 DUP3 MLOAD PUSH1 0x20 DUP5 ADD ADDRESS GAS DELEGATECALL DUP1 ISZERO PUSH2 0xA86 JUMPI DUP2 MLOAD DUP4 MSTORE PUSH1 0x20 DUP3 ADD MLOAD PUSH1 0x20 DUP5 ADD MSTORE PUSH1 0x40 DUP3 ADD MLOAD PUSH1 0x40 DUP5 ADD MSTORE PUSH1 0x60 DUP3 ADD MLOAD PUSH1 0x60 DUP5 ADD MSTORE JUMPDEST POP JUMPDEST POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0xB PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD DUP2 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0xAF8 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x576D JUMP JUMPDEST POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR DUP2 SSTORE DUP2 MLOAD SWAP1 JUMPDEST DUP1 DUP3 EQ PUSH2 0xB58 JUMPI PUSH2 0xB50 DUP4 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xB41 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x2EFF JUMP JUMPDEST PUSH1 0x1 ADD PUSH2 0xB29 JUMP JUMPDEST POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP JUMP JUMPDEST PUSH2 0xB8D PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0xB98 PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0xBD5 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x576D JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR DUP2 SSTORE DUP8 MLOAD SWAP4 POP SWAP2 POP JUMPDEST DUP2 DUP4 EQ PUSH2 0x76F JUMPI PUSH2 0xC5E DUP8 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xC1F JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP8 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xC37 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP8 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xC4F JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x2F2A JUMP JUMPDEST SWAP1 POP PUSH2 0xC6A DUP5 DUP3 PUSH2 0x257D JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH2 0xC07 JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD DUP2 SWAP1 DUP2 SWAP1 DUP2 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0xCB9 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x576D JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE PUSH2 0xCEC PUSH2 0x25DF JUMP JUMPDEST SWAP4 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND CALLER EQ PUSH2 0xD11 JUMPI CALLER PUSH2 0xD14 JUMP JUMPDEST PUSH1 0x0 JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP7 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x6 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP4 DUP6 AND DUP4 MSTORE SWAP3 SWAP1 MSTORE KECCAK256 SLOAD SWAP1 SWAP4 POP PUSH1 0x1 DUP7 ADD SWAP3 POP SWAP1 POP DUP1 DUP3 GT PUSH2 0xD8B JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x572D JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP6 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x6 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP5 DUP9 AND DUP1 DUP5 MSTORE SWAP5 SWAP1 SWAP2 MSTORE SWAP1 DUP2 SWAP1 KECCAK256 DUP6 SWAP1 SSTORE MLOAD PUSH32 0x82AF639571738F4EBD4268FB0363D8957EBE1BBB9E78DBA5EBD69EED39B154F0 SWAP1 PUSH2 0xDF3 SWAP1 DUP7 SWAP1 PUSH2 0x5513 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP POP POP JUMP JUMPDEST PUSH2 0xE32 PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0xE3D PUSH2 0x4386 JUMP JUMPDEST DUP7 MLOAD SWAP3 POP PUSH1 0x0 SWAP2 POP JUMPDEST DUP2 DUP4 EQ PUSH2 0xEB4 JUMPI PUSH2 0xE9D DUP8 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xE5E JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP8 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xE76 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP8 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xE8E JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0xA3A JUMP JUMPDEST SWAP1 POP PUSH2 0xEA9 DUP5 DUP3 PUSH2 0x257D JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH2 0xE46 JUMP JUMPDEST POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0xB PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND JUMPDEST SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x9 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH2 0xF29 PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0xF66 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x576D JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE PUSH2 0xF9C DUP5 DUP5 DUP5 PUSH2 0x2F2A JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x100A JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x576D JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE PUSH2 0x103D PUSH2 0x25DF JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 DUP2 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x8 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP5 DUP10 AND DUP1 DUP5 MSTORE SWAP5 SWAP1 SWAP2 MSTORE SWAP1 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND DUP8 ISZERO ISZERO OR SWAP1 SSTORE MLOAD SWAP3 SWAP4 POP SWAP1 SWAP2 PUSH32 0xA8656E308026EEABCE8F0BC18048433252318AB80AC79DA0B3D3D8697DFBA891 SWAP1 PUSH2 0x10D1 SWAP1 DUP7 SWAP1 PUSH2 0x5505 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP JUMP JUMPDEST PUSH1 0x8 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x0 SWAP3 DUP4 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 SWAP1 SWAP2 MSTORE SWAP1 DUP3 MSTORE SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH2 0x112E PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x0 DUP1 PUSH1 0x0 PUSH2 0x113D PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x117A JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x576D JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR DUP2 SSTORE DUP10 MLOAD DUP11 SWAP2 SWAP1 DUP2 LT PUSH2 0x11B2 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x160 ADD MLOAD SWAP5 POP DUP9 MLOAD SWAP4 POP PUSH1 0x0 SWAP3 POP JUMPDEST DUP3 DUP5 EQ PUSH2 0x1255 JUMPI DUP5 DUP10 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x11E2 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x160 ADD DUP2 SWAP1 MSTORE POP PUSH2 0x1202 DUP9 DUP8 PUSH1 0x20 ADD MLOAD PUSH2 0x2F7D JUMP JUMPDEST SWAP2 POP PUSH2 0x122E DUP10 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1215 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP4 DUP10 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x749 JUMPI INVALID JUMPDEST SWAP1 POP PUSH2 0x123A DUP7 DUP3 PUSH2 0x257D JUMP JUMPDEST PUSH1 0x20 DUP7 ADD MLOAD DUP9 GT PUSH2 0x124A JUMPI PUSH2 0x1255 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP3 ADD SWAP2 PUSH2 0x11CC JUMP JUMPDEST POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP SWAP2 SWAP6 SWAP5 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x60 PUSH1 0x0 PUSH1 0x60 PUSH1 0x0 DUP5 MLOAD SWAP3 POP DUP3 PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x12D0 JUMPI DUP2 PUSH1 0x20 ADD JUMPDEST PUSH2 0x12BD PUSH2 0x43DE JUMP JUMPDEST DUP2 MSTORE PUSH1 0x20 ADD SWAP1 PUSH1 0x1 SWAP1 SUB SWAP1 DUP2 PUSH2 0x12B5 JUMPI SWAP1 POP JUMPDEST POP SWAP2 POP PUSH1 0x0 SWAP1 POP JUMPDEST DUP1 DUP4 EQ PUSH2 0xA88 JUMPI PUSH2 0x12FF DUP6 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x12F0 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x1F30 JUMP JUMPDEST DUP3 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x130D JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MSTORE PUSH1 0x1 ADD PUSH2 0x12D8 JUMP JUMPDEST PUSH1 0x7 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x0 SWAP3 DUP4 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 SWAP1 SWAP2 MSTORE SWAP1 DUP3 MSTORE SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x3 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP10 MLOAD GT ISZERO ISZERO PUSH2 0x13A4 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x571D JUMP JUMPDEST PUSH2 0x13AD DUP10 PUSH2 0x2FC4 JUMP JUMPDEST PUSH32 0x100000000000000000000000000000000000000000000000000000000000000 SWAP1 DIV SWAP7 POP PUSH1 0x7 PUSH1 0xFF DUP9 AND LT PUSH2 0x140F JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x563D JUMP JUMPDEST DUP7 PUSH1 0xFF AND PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x141E JUMPI INVALID JUMPDEST SWAP6 POP PUSH1 0x0 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x142E JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x1466 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x570D JUMP JUMPDEST PUSH1 0x1 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x1474 JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x14BC JUMPI DUP9 MLOAD ISZERO PUSH2 0x14B3 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x57DD JUMP JUMPDEST PUSH1 0x0 SWAP8 POP PUSH2 0x18D0 JUMP JUMPDEST PUSH1 0x2 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x14CA JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x1605 JUMPI DUP9 MLOAD PUSH1 0x41 EQ PUSH2 0x150B JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x55DD JUMP JUMPDEST DUP9 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x151A JUMPI INVALID JUMPDEST ADD PUSH1 0x20 ADD MLOAD PUSH32 0x100000000000000000000000000000000000000000000000000000000000000 SWAP1 DUP2 SWAP1 DIV DUP2 MUL DIV SWAP5 POP PUSH2 0x155A DUP10 PUSH1 0x1 PUSH4 0xFFFFFFFF PUSH2 0x3088 AND JUMP JUMPDEST SWAP4 POP PUSH2 0x156D DUP10 PUSH1 0x21 PUSH4 0xFFFFFFFF PUSH2 0x3088 AND JUMP JUMPDEST SWAP3 POP PUSH1 0x1 DUP12 DUP7 DUP7 DUP7 PUSH1 0x40 MLOAD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x40 MSTORE PUSH1 0x40 MLOAD PUSH2 0x1592 SWAP5 SWAP4 SWAP3 SWAP2 SWAP1 PUSH2 0x556E JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD PUSH1 0x20 DUP2 SUB SWAP1 DUP1 DUP5 SUB SWAP1 PUSH1 0x0 DUP7 GAS CALL ISZERO DUP1 ISZERO PUSH2 0x15B6 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP PUSH1 0x40 MLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP13 DUP2 AND SWAP1 DUP3 AND EQ SWAP10 POP SWAP3 POP PUSH2 0x18D0 SWAP1 POP JUMP JUMPDEST PUSH1 0x3 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x1613 JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x17B9 JUMPI DUP9 MLOAD PUSH1 0x41 EQ PUSH2 0x1654 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x55DD JUMP JUMPDEST DUP9 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1663 JUMPI INVALID JUMPDEST ADD PUSH1 0x20 ADD MLOAD PUSH32 0x100000000000000000000000000000000000000000000000000000000000000 SWAP1 DUP2 SWAP1 DIV DUP2 MUL DIV SWAP5 POP PUSH2 0x16A3 DUP10 PUSH1 0x1 PUSH4 0xFFFFFFFF PUSH2 0x3088 AND JUMP JUMPDEST SWAP4 POP PUSH2 0x16B6 DUP10 PUSH1 0x21 PUSH4 0xFFFFFFFF PUSH2 0x3088 AND JUMP JUMPDEST SWAP3 POP PUSH1 0x1 DUP12 PUSH1 0x40 MLOAD PUSH1 0x20 ADD DUP1 DUP1 PUSH32 0x19457468657265756D205369676E6564204D6573736167653A0A333200000000 DUP2 MSTORE POP PUSH1 0x1C ADD DUP3 PUSH1 0x0 NOT AND PUSH1 0x0 NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD PUSH1 0x20 DUP2 DUP4 SUB SUB DUP2 MSTORE SWAP1 PUSH1 0x40 MSTORE PUSH1 0x40 MLOAD DUP1 DUP3 DUP1 MLOAD SWAP1 PUSH1 0x20 ADD SWAP1 DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x1757 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x171A JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 DUP1 MLOAD SWAP3 SWAP1 SWAP5 ADD DUP3 SWAP1 SUB DUP3 KECCAK256 PUSH1 0x0 DUP4 MSTORE SWAP2 ADD SWAP3 DUP4 SWAP1 MSTORE PUSH2 0x1592 SWAP5 POP SWAP3 POP DUP10 SWAP2 DUP10 SWAP2 POP DUP9 SWAP1 PUSH2 0x556E JUMP JUMPDEST PUSH1 0x4 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x17C7 JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x17DF JUMPI PUSH2 0x17D8 DUP12 DUP12 DUP12 PUSH2 0x30D3 JUMP JUMPDEST SWAP8 POP PUSH2 0x18D0 JUMP JUMPDEST PUSH1 0x5 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x17ED JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x1850 JUMPI PUSH2 0x17FC DUP10 PUSH2 0x3228 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP13 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x8 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP4 DUP6 AND DUP4 MSTORE SWAP3 SWAP1 MSTORE KECCAK256 SLOAD SWAP1 SWAP2 POP PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x1844 JUMPI PUSH1 0x0 SWAP8 POP PUSH2 0x18D0 JUMP JUMPDEST PUSH2 0x17D8 DUP2 DUP13 DUP13 DUP13 PUSH2 0x32A1 JUMP JUMPDEST PUSH1 0x6 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x185E JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x189E JUMPI PUSH1 0x0 DUP12 DUP2 MSTORE PUSH1 0x7 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP15 AND DUP5 MSTORE SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND SWAP8 POP PUSH2 0x18D0 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x563D JUMP JUMPDEST POP POP POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH2 0x18E6 PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH2 0x18F6 PUSH2 0x4386 JUMP JUMPDEST DUP10 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1905 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x140 ADD MLOAD SWAP6 POP DUP10 MLOAD SWAP5 POP PUSH1 0x0 SWAP4 POP JUMPDEST DUP4 DUP6 EQ PUSH2 0x19E4 JUMPI DUP6 DUP11 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1935 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x140 ADD MSTORE DUP7 MLOAD PUSH2 0x1951 SWAP1 DUP11 SWAP1 PUSH2 0x2F7D JUMP JUMPDEST SWAP3 POP PUSH2 0x1994 DUP11 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1964 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0xA0 ADD MLOAD DUP12 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1980 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0x80 ADD MLOAD DUP6 PUSH2 0x33FD JUMP JUMPDEST SWAP2 POP PUSH2 0x19C0 DUP11 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x19A7 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP4 DUP11 DUP8 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xE8E JUMPI INVALID JUMPDEST SWAP1 POP PUSH2 0x19CC DUP8 DUP3 PUSH2 0x257D JUMP JUMPDEST DUP7 MLOAD DUP10 GT PUSH2 0x19D9 JUMPI PUSH2 0x19E4 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP4 ADD SWAP3 PUSH2 0x191F JUMP JUMPDEST POP POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH2 0x19F9 PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x1A36 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x576D JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE PUSH2 0xF9C DUP5 DUP5 DUP5 PUSH2 0x24DF JUMP JUMPDEST PUSH1 0xA SLOAD PUSH1 0x0 SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND ISZERO PUSH2 0x1ABF JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x576D JUMP JUMPDEST PUSH2 0x1B02 PUSH2 0x1AFD DUP9 DUP9 DUP9 DUP9 DUP1 DUP1 PUSH1 0x1F ADD PUSH1 0x20 DUP1 SWAP2 DIV MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP4 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP4 DUP4 DUP1 DUP3 DUP5 CALLDATACOPY POP PUSH2 0x3453 SWAP5 POP POP POP POP POP JUMP JUMPDEST PUSH2 0x3694 JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x9 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD SWAP1 SWAP2 POP PUSH1 0xFF AND ISZERO PUSH2 0x1B4E JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x568D JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 AND CALLER EQ PUSH2 0x1C1F JUMPI PUSH2 0x1BA6 DUP2 DUP8 DUP6 DUP6 DUP1 DUP1 PUSH1 0x1F ADD PUSH1 0x20 DUP1 SWAP2 DIV MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP4 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP4 DUP4 DUP1 DUP3 DUP5 CALLDATACOPY POP PUSH2 0x135B SWAP5 POP POP POP POP POP JUMP JUMPDEST ISZERO ISZERO PUSH2 0x1BDE JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x57CD JUMP JUMPDEST PUSH1 0xA DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP9 AND OR SWAP1 SSTORE JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x9 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE MLOAD ADDRESS SWAP1 DUP7 SWAP1 DUP7 SWAP1 DUP1 DUP4 DUP4 DUP1 DUP3 DUP5 CALLDATACOPY DUP3 ADD SWAP2 POP POP SWAP3 POP POP POP PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 DUP6 GAS DELEGATECALL SWAP2 POP POP ISZERO ISZERO PUSH2 0x1CB6 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56BD JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 AND CALLER EQ PUSH2 0x1CFC JUMPI PUSH1 0xA DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND SWAP1 SSTORE JUMPDEST POP POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x3 SLOAD PUSH1 0x0 SWAP1 DUP2 SWAP1 DUP2 SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x1D5D JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x577D JUMP JUMPDEST DUP4 SWAP3 POP DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH4 0xAE25532E PUSH1 0x40 MLOAD DUP2 PUSH4 0xFFFFFFFF AND PUSH29 0x100000000000000000000000000000000000000000000000000000000 MUL DUP2 MSTORE PUSH1 0x4 ADD PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x1DC4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x1DD8 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x1DFC SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x4A0C JUMP JUMPDEST PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0xB PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD SWAP1 SWAP3 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 POP DUP1 ISZERO PUSH2 0x1E81 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x561D JUMP JUMPDEST PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0xB PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 AND OR SWAP1 SSTORE MLOAD PUSH32 0xD2C6B762299C609BDB96520B58A49BFB80186934D4F71A86A367571A15C03194 SWAP1 PUSH2 0x1F22 SWAP1 DUP5 SWAP1 DUP8 SWAP1 PUSH2 0x55A3 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG1 POP POP POP POP JUMP JUMPDEST PUSH2 0x1F38 PUSH2 0x43DE JUMP JUMPDEST PUSH2 0x1F41 DUP3 PUSH2 0x36D1 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP4 ADD DUP3 SWAP1 MSTORE PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x4 SWAP1 MSTORE PUSH1 0x40 SWAP1 DUP2 SWAP1 KECCAK256 SLOAD SWAP1 DUP3 ADD MSTORE PUSH1 0x80 DUP3 ADD MLOAD ISZERO ISZERO PUSH2 0x1F75 JUMPI PUSH1 0x1 JUMPDEST PUSH1 0xFF AND DUP2 MSTORE PUSH2 0xF07 JUMP JUMPDEST PUSH1 0xA0 DUP3 ADD MLOAD ISZERO ISZERO PUSH2 0x1F87 JUMPI PUSH1 0x2 PUSH2 0x1F6B JUMP JUMPDEST PUSH1 0xA0 DUP3 ADD MLOAD PUSH1 0x40 DUP3 ADD MLOAD LT PUSH2 0x1F9D JUMPI PUSH1 0x5 PUSH2 0x1F6B JUMP JUMPDEST PUSH2 0x100 DUP3 ADD MLOAD TIMESTAMP LT PUSH2 0x1FB0 JUMPI PUSH1 0x4 PUSH2 0x1F6B JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 ADD MLOAD PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x5 SWAP1 SWAP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x1FD4 JUMPI PUSH1 0x6 PUSH2 0x1F6B JUMP JUMPDEST PUSH2 0x120 DUP3 ADD MLOAD DUP3 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x6 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH1 0x60 DUP9 ADD MLOAD SWAP1 SWAP5 AND DUP4 MSTORE SWAP3 SWAP1 MSTORE KECCAK256 SLOAD GT ISZERO PUSH2 0x2021 JUMPI PUSH1 0x6 PUSH2 0x1F6B JUMP JUMPDEST PUSH1 0x3 DUP2 MSTORE SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x2067 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x576D JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE PUSH2 0x209B DUP2 PUSH2 0x2EFF JUMP JUMPDEST POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE JUMP JUMPDEST PUSH1 0x6 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x0 SWAP3 DUP4 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 SWAP1 SWAP2 MSTORE SWAP1 DUP3 MSTORE SWAP1 KECCAK256 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x1 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 DUP5 DUP7 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x2186 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x215B JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x2186 JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x2169 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP DUP2 JUMP JUMPDEST PUSH2 0x2196 PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x0 DUP1 PUSH1 0x0 PUSH2 0x21A5 PUSH2 0x4386 JUMP JUMPDEST DUP9 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x21B4 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x160 ADD MLOAD SWAP5 POP DUP9 MLOAD SWAP4 POP PUSH1 0x0 SWAP3 POP JUMPDEST DUP3 DUP5 EQ PUSH2 0x2257 JUMPI DUP5 DUP10 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x21E4 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x160 ADD DUP2 SWAP1 MSTORE POP PUSH2 0x2204 DUP9 DUP8 PUSH1 0x20 ADD MLOAD PUSH2 0x2F7D JUMP JUMPDEST SWAP2 POP PUSH2 0x2230 DUP10 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x2217 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP4 DUP10 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xE8E JUMPI INVALID JUMPDEST SWAP1 POP PUSH2 0x223C DUP7 DUP3 PUSH2 0x257D JUMP JUMPDEST PUSH1 0x20 DUP7 ADD MLOAD DUP9 GT PUSH2 0x224C JUMPI PUSH2 0x2257 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP3 ADD SWAP2 PUSH2 0x21CE JUMP JUMPDEST POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x2 SLOAD DUP2 JUMP JUMPDEST PUSH2 0x2271 PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH2 0x2281 PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x22BE JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x576D JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR DUP2 SSTORE DUP11 MLOAD DUP12 SWAP2 SWAP1 DUP2 LT PUSH2 0x22F6 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x140 ADD MLOAD SWAP6 POP DUP10 MLOAD SWAP5 POP PUSH1 0x0 SWAP4 POP JUMPDEST DUP4 DUP6 EQ PUSH2 0x23A5 JUMPI DUP6 DUP11 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x2326 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x140 ADD MSTORE DUP7 MLOAD PUSH2 0x2342 SWAP1 DUP11 SWAP1 PUSH2 0x2F7D JUMP JUMPDEST SWAP3 POP PUSH2 0x2355 DUP11 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1964 JUMPI INVALID JUMPDEST SWAP2 POP PUSH2 0x2381 DUP11 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x2368 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP4 DUP11 DUP8 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x749 JUMPI INVALID JUMPDEST SWAP1 POP PUSH2 0x238D DUP8 DUP3 PUSH2 0x257D JUMP JUMPDEST DUP7 MLOAD DUP10 GT PUSH2 0x239A JUMPI PUSH2 0x23A5 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP4 ADD SWAP3 PUSH2 0x2310 JUMP JUMPDEST POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP SWAP3 SWAP7 SWAP6 POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0xA SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x3 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x2448 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x577D JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0x24A5 JUMPI PUSH1 0x3 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND OR SWAP1 SSTORE JUMPDEST POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD DUP1 DUP3 ADD SWAP1 SWAP2 MSTORE PUSH1 0xB DUP2 MSTORE PUSH32 0x322E302E312D616C706861000000000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE DUP2 JUMP JUMPDEST PUSH2 0x24E7 PUSH2 0x4386 JUMP JUMPDEST PUSH2 0x24EF PUSH2 0x43DE JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH2 0x24FD DUP9 PUSH2 0x1F30 JUMP JUMPDEST SWAP4 POP PUSH2 0x2507 PUSH2 0x25DF JUMP JUMPDEST SWAP3 POP PUSH2 0x2515 DUP9 DUP6 DUP6 DUP10 PUSH2 0x2611 JUMP JUMPDEST PUSH2 0x2527 DUP9 PUSH1 0xA0 ADD MLOAD DUP6 PUSH1 0x40 ADD MLOAD PUSH2 0x2F7D JUMP JUMPDEST SWAP2 POP PUSH2 0x2533 DUP8 DUP4 PUSH2 0x36DF JUMP JUMPDEST SWAP1 POP PUSH2 0x2546 DUP9 DUP6 DUP10 DUP5 DUP10 PUSH1 0x0 ADD MLOAD PUSH2 0x2990 JUMP JUMPDEST PUSH2 0x2550 DUP9 DUP3 PUSH2 0x36F5 JUMP JUMPDEST SWAP5 POP PUSH2 0x2567 DUP9 DUP5 DUP7 PUSH1 0x20 ADD MLOAD DUP8 PUSH1 0x40 ADD MLOAD DUP10 PUSH2 0x2AA9 JUMP JUMPDEST PUSH2 0x2572 DUP9 DUP5 DUP8 PUSH2 0x3756 JUMP JUMPDEST POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST DUP2 MLOAD DUP2 MLOAD PUSH2 0x258B SWAP2 SWAP1 PUSH2 0x3864 JUMP JUMPDEST DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 ADD MLOAD SWAP1 DUP3 ADD MLOAD PUSH2 0x25A1 SWAP2 SWAP1 PUSH2 0x3864 JUMP JUMPDEST PUSH1 0x20 DUP4 ADD MSTORE PUSH1 0x40 DUP1 DUP4 ADD MLOAD SWAP1 DUP3 ADD MLOAD PUSH2 0x25BA SWAP2 SWAP1 PUSH2 0x3864 JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MSTORE PUSH1 0x60 DUP1 DUP4 ADD MLOAD SWAP1 DUP3 ADD MLOAD PUSH2 0x25D3 SWAP2 SWAP1 PUSH2 0x3864 JUMP JUMPDEST PUSH1 0x60 SWAP1 SWAP3 ADD SWAP2 SWAP1 SWAP2 MSTORE POP JUMP JUMPDEST PUSH1 0xA SLOAD PUSH1 0x0 SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 DUP2 ISZERO PUSH2 0x2608 JUMPI DUP2 PUSH2 0x260A JUMP JUMPDEST CALLER JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST DUP3 MLOAD PUSH1 0xFF AND PUSH1 0x3 EQ PUSH2 0x264F JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x579D JUMP JUMPDEST PUSH1 0x60 DUP5 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND ISZERO PUSH2 0x26C2 JUMPI PUSH1 0x60 DUP5 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x26C2 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x57AD JUMP JUMPDEST PUSH1 0x20 DUP5 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND ISZERO PUSH2 0x274D JUMPI DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP5 PUSH1 0x20 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO ISZERO PUSH2 0x274D JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x55ED JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MLOAD ISZERO ISZERO PUSH2 0x27A3 JUMPI PUSH2 0x276B DUP4 PUSH1 0x20 ADD MLOAD DUP6 PUSH1 0x0 ADD MLOAD DUP4 PUSH2 0x135B JUMP JUMPDEST ISZERO ISZERO PUSH2 0x27A3 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x565D JUMP JUMPDEST POP POP POP POP JUMP JUMPDEST PUSH2 0x27BB DUP3 PUSH1 0xA0 ADD MLOAD DUP3 PUSH1 0xA0 ADD MLOAD PUSH2 0x38AE JUMP JUMPDEST PUSH2 0x27CD DUP4 PUSH1 0x80 ADD MLOAD DUP4 PUSH1 0x80 ADD MLOAD PUSH2 0x38AE JUMP JUMPDEST LT ISZERO PUSH2 0x2805 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x57BD JUMP JUMPDEST POP POP JUMP JUMPDEST PUSH2 0x2811 PUSH2 0x43AF JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH2 0x2825 DUP10 PUSH1 0xA0 ADD MLOAD DUP9 PUSH2 0x2F7D JUMP JUMPDEST SWAP4 POP PUSH2 0x283A DUP10 PUSH1 0x80 ADD MLOAD DUP11 PUSH1 0xA0 ADD MLOAD DUP7 PUSH2 0x3909 JUMP JUMPDEST SWAP3 POP PUSH2 0x284A DUP9 PUSH1 0xA0 ADD MLOAD DUP8 PUSH2 0x2F7D JUMP JUMPDEST SWAP2 POP PUSH2 0x285F DUP9 PUSH1 0x80 ADD MLOAD DUP10 PUSH1 0xA0 ADD MLOAD DUP5 PUSH2 0x3909 JUMP JUMPDEST SWAP1 POP DUP1 DUP5 LT PUSH2 0x28A2 JUMPI PUSH1 0x20 DUP1 DUP7 ADD DUP1 MLOAD DUP4 SWAP1 MSTORE DUP1 MLOAD DUP3 ADD DUP5 SWAP1 MSTORE MLOAD MLOAD DUP7 MLOAD DUP3 ADD MSTORE PUSH1 0x80 DUP11 ADD MLOAD PUSH1 0xA0 DUP12 ADD MLOAD DUP8 MLOAD SWAP1 SWAP3 ADD MLOAD PUSH2 0x289A SWAP3 SWAP1 PUSH2 0x3909 JUMP JUMPDEST DUP6 MLOAD MSTORE PUSH2 0x28DF JUMP JUMPDEST DUP5 MLOAD DUP4 SWAP1 MSTORE DUP5 MLOAD PUSH1 0x20 SWAP1 DUP2 ADD DUP6 SWAP1 MSTORE DUP6 MLOAD DUP2 ADD MLOAD SWAP1 DUP7 ADD DUP1 MLOAD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0xA0 DUP10 ADD MLOAD PUSH1 0x80 DUP11 ADD MLOAD SWAP2 MLOAD MLOAD PUSH2 0x28D6 SWAP3 SWAP1 PUSH2 0x3986 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP8 ADD MLOAD ADD MSTORE JUMPDEST DUP5 MLOAD MLOAD PUSH1 0x20 DUP1 DUP8 ADD MLOAD ADD MLOAD PUSH2 0x28F4 SWAP2 SWAP1 PUSH2 0x2F7D JUMP JUMPDEST PUSH1 0x40 DUP7 ADD MSTORE DUP5 MLOAD MLOAD PUSH1 0x80 DUP11 ADD MLOAD PUSH1 0xC0 DUP12 ADD MLOAD PUSH2 0x2911 SWAP3 SWAP2 SWAP1 PUSH2 0x3909 JUMP JUMPDEST DUP6 MLOAD PUSH1 0x40 ADD MSTORE DUP5 MLOAD PUSH1 0x20 ADD MLOAD PUSH1 0xA0 DUP11 ADD MLOAD PUSH1 0xE0 DUP12 ADD MLOAD PUSH2 0x2932 SWAP3 SWAP2 SWAP1 PUSH2 0x3909 JUMP JUMPDEST DUP6 MLOAD PUSH1 0x60 ADD MSTORE PUSH1 0x20 DUP6 ADD MLOAD MLOAD PUSH1 0x80 DUP10 ADD MLOAD PUSH1 0xC0 DUP11 ADD MLOAD PUSH2 0x2953 SWAP3 SWAP2 SWAP1 PUSH2 0x3909 JUMP JUMPDEST DUP6 PUSH1 0x20 ADD MLOAD PUSH1 0x40 ADD DUP2 DUP2 MSTORE POP POP PUSH2 0x297B DUP6 PUSH1 0x20 ADD MLOAD PUSH1 0x20 ADD MLOAD DUP10 PUSH1 0xA0 ADD MLOAD DUP11 PUSH1 0xE0 ADD MLOAD PUSH2 0x3909 JUMP JUMPDEST PUSH1 0x20 DUP7 ADD MLOAD PUSH1 0x60 ADD MSTORE POP POP POP POP SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST DUP3 ISZERO ISZERO PUSH2 0x29C9 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56DD JUMP JUMPDEST DUP3 DUP3 GT ISZERO PUSH2 0x2A03 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56CD JUMP JUMPDEST DUP5 PUSH1 0xA0 ADD MLOAD PUSH2 0x2A16 DUP6 PUSH1 0x40 ADD MLOAD DUP5 PUSH2 0x3864 JUMP JUMPDEST GT ISZERO PUSH2 0x2A4E JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x55FD JUMP JUMPDEST PUSH2 0x2A5C DUP6 PUSH1 0x80 ADD MLOAD DUP4 PUSH2 0x38AE JUMP JUMPDEST PUSH2 0x2A6A DUP3 DUP8 PUSH1 0xA0 ADD MLOAD PUSH2 0x38AE JUMP JUMPDEST GT ISZERO PUSH2 0x2AA2 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x575D JUMP JUMPDEST POP POP POP POP POP JUMP JUMPDEST PUSH2 0x2AB7 DUP3 DUP3 PUSH1 0x20 ADD MLOAD PUSH2 0x3864 JUMP JUMPDEST PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP2 DUP3 SWAP1 KECCAK256 SWAP3 SWAP1 SWAP3 SSTORE DUP7 DUP2 ADD MLOAD DUP8 MLOAD DUP5 MLOAD SWAP4 DUP6 ADD MLOAD DUP6 DUP5 ADD MLOAD PUSH1 0x60 DUP8 ADD MLOAD PUSH2 0x140 DUP13 ADD MLOAD PUSH2 0x160 DUP14 ADD MLOAD SWAP7 MLOAD DUP12 SWAP9 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP8 DUP9 AND SWAP9 SWAP8 SWAP1 SWAP7 AND SWAP7 PUSH32 0xBCC4C97732E47D9946F229EDB95F5B6323F601300E4690DE719993F3C371129 SWAP7 PUSH2 0x2B46 SWAP7 DUP16 SWAP7 CALLER SWAP7 SWAP3 SWAP6 SWAP2 SWAP5 SWAP1 SWAP4 SWAP1 PUSH2 0x5433 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG4 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x1 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x1F PUSH1 0x2 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH2 0x100 DUP8 DUP10 AND ISZERO MUL ADD SWAP1 SWAP6 AND SWAP5 SWAP1 SWAP5 DIV SWAP4 DUP5 ADD DUP2 SWAP1 DIV DUP2 MUL DUP3 ADD DUP2 ADD SWAP1 SWAP3 MSTORE DUP3 DUP2 MSTORE PUSH1 0x60 SWAP4 SWAP1 SWAP3 SWAP1 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x2BFE JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x2BD3 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x2BFE JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x2BE1 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP SWAP1 POP PUSH2 0x2C26 DUP6 PUSH2 0x140 ADD MLOAD DUP7 PUSH1 0x0 ADD MLOAD DUP7 PUSH1 0x0 ADD MLOAD DUP6 PUSH1 0x20 ADD MLOAD PUSH1 0x20 ADD MLOAD PUSH2 0x3A23 JUMP JUMPDEST PUSH2 0x140 DUP5 ADD MLOAD DUP5 MLOAD DUP7 MLOAD DUP5 MLOAD PUSH1 0x20 ADD MLOAD PUSH2 0x2C42 SWAP4 SWAP3 SWAP2 SWAP1 PUSH2 0x3A23 JUMP JUMPDEST PUSH2 0x2C5B DUP6 PUSH2 0x140 ADD MLOAD DUP7 PUSH1 0x0 ADD MLOAD DUP6 DUP6 PUSH1 0x40 ADD MLOAD PUSH2 0x3A23 JUMP JUMPDEST PUSH2 0x2C77 DUP2 DUP7 PUSH1 0x0 ADD MLOAD DUP8 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x0 ADD MLOAD PUSH1 0x40 ADD MLOAD PUSH2 0x3A23 JUMP JUMPDEST PUSH2 0x2C93 DUP2 DUP6 PUSH1 0x0 ADD MLOAD DUP7 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x20 ADD MLOAD PUSH1 0x40 ADD MLOAD PUSH2 0x3A23 JUMP JUMPDEST DUP4 PUSH1 0x40 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP6 PUSH1 0x40 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO PUSH2 0x2CFD JUMPI PUSH2 0x2CF8 DUP2 DUP5 DUP8 PUSH1 0x40 ADD MLOAD PUSH2 0x2CF3 DUP7 PUSH1 0x0 ADD MLOAD PUSH1 0x60 ADD MLOAD DUP8 PUSH1 0x20 ADD MLOAD PUSH1 0x60 ADD MLOAD PUSH2 0x3864 JUMP JUMPDEST PUSH2 0x3A23 JUMP JUMPDEST PUSH2 0x2AA2 JUMP JUMPDEST PUSH2 0x2D15 DUP2 DUP5 DUP8 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x0 ADD MLOAD PUSH1 0x60 ADD MLOAD PUSH2 0x3A23 JUMP JUMPDEST PUSH2 0x2AA2 DUP2 DUP5 DUP7 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x20 ADD MLOAD PUSH1 0x60 ADD MLOAD PUSH2 0x3A23 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0xB4BE83D500000000000000000000000000000000000000000000000000000000 PUSH1 0x20 DUP1 DUP4 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0x60 PUSH1 0x24 DUP4 ADD DUP2 DUP2 MSTORE DUP8 MLOAD PUSH1 0x84 DUP6 ADD SWAP1 DUP2 MSTORE DUP9 DUP5 ADD MLOAD PUSH1 0xA4 DUP7 ADD MSTORE SWAP5 DUP9 ADD MLOAD PUSH1 0xC4 DUP6 ADD MSTORE SWAP1 DUP8 ADD MLOAD PUSH1 0xE4 DUP5 ADD MSTORE PUSH1 0x80 DUP8 ADD MLOAD PUSH2 0x104 DUP5 ADD MSTORE PUSH1 0xA0 DUP8 ADD MLOAD PUSH2 0x124 DUP5 ADD MSTORE PUSH1 0xC0 DUP8 ADD MLOAD PUSH2 0x144 DUP5 ADD MSTORE PUSH1 0xE0 DUP8 ADD MLOAD PUSH2 0x164 DUP5 ADD MSTORE PUSH2 0x100 DUP8 ADD MLOAD PUSH2 0x184 DUP5 ADD MSTORE PUSH2 0x120 DUP8 ADD MLOAD PUSH2 0x1A4 DUP5 ADD MSTORE PUSH2 0x140 DUP8 ADD DUP1 MLOAD PUSH2 0x1C4 DUP6 ADD SWAP1 DUP2 MSTORE PUSH2 0x160 DUP10 ADD MLOAD PUSH2 0x1E4 DUP7 ADD MSTORE PUSH2 0x180 SWAP1 MSTORE MLOAD DUP1 MLOAD PUSH2 0x204 DUP6 ADD DUP2 SWAP1 MSTORE SWAP4 SWAP5 SWAP2 SWAP4 DUP5 SWAP4 PUSH1 0x44 DUP8 ADD SWAP3 DUP5 SWAP3 PUSH2 0x224 DUP10 ADD SWAP3 SWAP2 DUP3 ADD SWAP2 PUSH1 0x1F DUP3 ADD DIV PUSH1 0x0 JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x2E34 JUMPI DUP4 MLOAD DUP6 MSTORE PUSH1 0x20 SWAP5 DUP6 ADD SWAP5 SWAP1 SWAP4 ADD SWAP3 PUSH1 0x1 ADD PUSH2 0x2E16 JUMP JUMPDEST POP POP POP POP DUP2 DUP2 SUB PUSH2 0x160 DUP1 DUP5 ADD SWAP2 SWAP1 SWAP2 MSTORE DUP11 ADD MLOAD DUP1 MLOAD DUP1 DUP4 MSTORE PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 DUP3 ADD SWAP2 PUSH1 0x1F DUP3 ADD DIV PUSH1 0x0 JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x2E7D JUMPI DUP4 MLOAD DUP6 MSTORE PUSH1 0x20 SWAP5 DUP6 ADD SWAP5 SWAP1 SWAP4 ADD SWAP3 PUSH1 0x1 ADD PUSH2 0x2E5F JUMP JUMPDEST POP POP POP DUP10 DUP5 MSTORE POP DUP5 DUP2 SUB PUSH1 0x20 SWAP4 DUP5 ADD SWAP1 DUP2 MSTORE DUP9 MLOAD DUP1 DUP4 MSTORE SWAP1 SWAP4 SWAP2 DUP3 ADD SWAP2 DUP10 DUP2 ADD SWAP2 SWAP1 PUSH1 0x1F DUP3 ADD DIV PUSH1 0x0 JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x2EC5 JUMPI DUP4 MLOAD DUP6 MSTORE PUSH1 0x20 SWAP5 DUP6 ADD SWAP5 SWAP1 SWAP4 ADD SWAP3 PUSH1 0x1 ADD PUSH2 0x2EA7 JUMP JUMPDEST POP POP POP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 DUP9 DUP4 SUB ADD DUP9 MSTORE POP PUSH1 0x40 MSTORE POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH2 0x2F07 PUSH2 0x43DE JUMP JUMPDEST PUSH2 0x2F10 DUP3 PUSH2 0x1F30 JUMP JUMPDEST SWAP1 POP PUSH2 0x2F1C DUP3 DUP3 PUSH2 0x3BED JUMP JUMPDEST PUSH2 0x2805 DUP3 DUP3 PUSH1 0x20 ADD MLOAD PUSH2 0x3D04 JUMP JUMPDEST PUSH2 0x2F32 PUSH2 0x4386 JUMP JUMPDEST PUSH2 0x2F3D DUP5 DUP5 DUP5 PUSH2 0x24DF JUMP JUMPDEST PUSH1 0x20 DUP2 ADD MLOAD SWAP1 SWAP2 POP DUP4 EQ PUSH2 0x260A JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x574D JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 GT ISZERO PUSH2 0x2FB9 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x560D JUMP JUMPDEST POP DUP1 DUP3 SUB JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP3 MLOAD GT ISZERO ISZERO PUSH2 0x3002 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56FD JUMP JUMPDEST DUP2 MLOAD DUP3 SWAP1 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 ADD SWAP1 DUP2 LT PUSH2 0x3032 JUMPI INVALID JUMPDEST ADD PUSH1 0x20 ADD MLOAD DUP3 MLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP3 MSTORE POP PUSH32 0x100000000000000000000000000000000000000000000000000000000000000 SWAP1 DUP2 SWAP1 DIV MUL SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x20 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x30CA JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x562D JUMP JUMPDEST POP ADD PUSH1 0x20 ADD MLOAD SWAP1 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH1 0x0 SWAP1 PUSH1 0x60 SWAP1 PUSH32 0x1626BA7E00000000000000000000000000000000000000000000000000000000 SWAP1 PUSH2 0x310E SWAP1 DUP8 SWAP1 DUP7 SWAP1 PUSH1 0x24 ADD PUSH2 0x554E JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 DUP2 DUP5 SUB ADD DUP2 MSTORE SWAP2 SWAP1 MSTORE PUSH1 0x20 DUP1 DUP3 ADD DUP1 MLOAD PUSH28 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 OR DUP4 MSTORE DUP2 MLOAD SWAP2 SWAP4 POP SWAP1 DUP3 SWAP1 DUP2 DUP9 GAS STATICCALL DUP1 DUP1 ISZERO PUSH2 0x31AB JUMPI PUSH1 0x1 DUP2 EQ PUSH2 0x321C JUMPI PUSH2 0x2572 JUMP JUMPDEST PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 PUSH1 0x0 MSTORE PUSH29 0x2000000000000000000000000000000000000000000000000000000000 PUSH1 0x20 MSTORE PUSH29 0xC57414C4C45545F4552524F5200000000000000000000000000000000 PUSH1 0x40 MSTORE PUSH1 0x0 PUSH1 0x60 MSTORE PUSH1 0x64 PUSH1 0x0 REVERT JUMPDEST POP POP MLOAD SWAP6 SWAP5 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x14 DUP3 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x3268 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x578D JUMP JUMPDEST PUSH2 0x3276 DUP3 PUSH1 0x14 DUP5 MLOAD SUB PUSH2 0x3DAB JUMP JUMPDEST DUP3 MLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEC ADD SWAP1 SWAP3 MSTORE POP SWAP1 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH1 0x0 SWAP1 PUSH1 0x60 SWAP1 PUSH32 0x9363470200000000000000000000000000000000000000000000000000000000 SWAP1 PUSH2 0x32DE SWAP1 DUP8 SWAP1 DUP8 SWAP1 DUP8 SWAP1 PUSH1 0x24 ADD PUSH2 0x5521 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 DUP2 DUP5 SUB ADD DUP2 MSTORE SWAP2 SWAP1 MSTORE PUSH1 0x20 DUP1 DUP3 ADD DUP1 MLOAD PUSH28 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 OR DUP4 MSTORE DUP2 MLOAD SWAP2 SWAP4 POP SWAP1 DUP3 SWAP1 DUP2 DUP11 GAS STATICCALL DUP1 DUP1 ISZERO PUSH2 0x337B JUMPI PUSH1 0x1 DUP2 EQ PUSH2 0x33EC JUMPI PUSH2 0x33F1 JUMP JUMPDEST PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 PUSH1 0x0 MSTORE PUSH29 0x2000000000000000000000000000000000000000000000000000000000 PUSH1 0x20 MSTORE PUSH29 0xF56414C494441544F525F4552524F5200000000000000000000000000 PUSH1 0x40 MSTORE PUSH1 0x0 PUSH1 0x60 MSTORE PUSH1 0x64 PUSH1 0x0 REVERT JUMPDEST DUP3 MLOAD SWAP5 POP JUMPDEST POP POP POP POP SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP4 GT PUSH2 0x3438 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x564D JUMP JUMPDEST PUSH2 0x344B PUSH2 0x3445 DUP6 DUP5 PUSH2 0x38AE JUMP JUMPDEST DUP5 PUSH2 0x3E0C JUMP JUMPDEST SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x5A65726F45785472616E73616374696F6E280000000000000000000000000000 PUSH1 0x20 DUP1 DUP4 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH32 0x75696E743235362073616C742C00000000000000000000000000000000000000 PUSH1 0x32 DUP4 ADD MSTORE PUSH32 0x61646472657373207369676E6572416464726573732C00000000000000000000 PUSH1 0x3F DUP4 ADD MSTORE PUSH32 0x6279746573206461746100000000000000000000000000000000000000000000 PUSH1 0x55 DUP4 ADD MSTORE PUSH32 0x2900000000000000000000000000000000000000000000000000000000000000 PUSH1 0x5F DUP4 ADD MSTORE DUP3 MLOAD DUP1 DUP4 SUB DUP5 ADD DUP2 MSTORE PUSH1 0x60 SWAP1 SWAP3 ADD SWAP3 DUP4 SWAP1 MSTORE DUP2 MLOAD PUSH1 0x0 SWAP4 DUP5 SWAP4 DUP5 SWAP4 SWAP1 SWAP3 DUP3 SWAP2 DUP5 ADD SWAP1 DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x357C JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x353F JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 MLOAD SWAP2 SWAP1 SWAP4 ADD DUP2 SWAP1 SUB DUP2 KECCAK256 DUP10 MLOAD SWAP1 SWAP8 POP DUP10 SWAP6 POP SWAP1 SWAP4 POP DUP4 SWAP3 DUP6 ADD SWAP2 POP DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x3612 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x35D5 JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 DUP1 MLOAD SWAP3 SWAP1 SWAP5 ADD DUP3 SWAP1 SUB DUP3 KECCAK256 SWAP8 DUP3 MSTORE DUP2 ADD SWAP11 SWAP1 SWAP11 MSTORE POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP8 SWAP1 SWAP8 AND SWAP7 DUP9 ADD SWAP7 SWAP1 SWAP7 MSTORE POP POP PUSH1 0x60 DUP6 ADD MSTORE POP POP PUSH1 0x80 SWAP1 SWAP2 KECCAK256 SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x2 DUP1 SLOAD PUSH1 0x40 MLOAD PUSH32 0x1901000000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE SWAP2 DUP3 ADD MSTORE PUSH1 0x22 DUP2 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0x42 SWAP1 KECCAK256 SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x2FBE PUSH2 0x1AFD DUP4 PUSH2 0x3E23 JUMP JUMPDEST PUSH1 0x0 DUP2 DUP4 LT PUSH2 0x36EE JUMPI DUP2 PUSH2 0x260A JUMP JUMPDEST POP SWAP1 SWAP2 SWAP1 POP JUMP JUMPDEST PUSH2 0x36FD PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD DUP3 SWAP1 MSTORE PUSH1 0xA0 DUP4 ADD MLOAD PUSH1 0x80 DUP5 ADD MLOAD PUSH2 0x3719 SWAP2 DUP5 SWAP2 PUSH2 0x3909 JUMP JUMPDEST DUP1 DUP3 MSTORE PUSH1 0x80 DUP5 ADD MLOAD PUSH1 0xC0 DUP6 ADD MLOAD PUSH2 0x3731 SWAP3 SWAP2 SWAP1 PUSH2 0x3909 JUMP JUMPDEST PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0xA0 DUP4 ADD MLOAD PUSH1 0xE0 DUP5 ADD MLOAD PUSH2 0x374B SWAP2 DUP5 SWAP2 PUSH2 0x3909 JUMP JUMPDEST PUSH1 0x60 DUP3 ADD MSTORE SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x1 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x1F PUSH1 0x2 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH2 0x100 DUP8 DUP10 AND ISZERO MUL ADD SWAP1 SWAP6 AND SWAP5 SWAP1 SWAP5 DIV SWAP4 DUP5 ADD DUP2 SWAP1 DIV DUP2 MUL DUP3 ADD DUP2 ADD SWAP1 SWAP3 MSTORE DUP3 DUP2 MSTORE PUSH1 0x60 SWAP4 SWAP1 SWAP3 SWAP1 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x37FF JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x37D4 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x37FF JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x37E2 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP SWAP1 POP PUSH2 0x381F DUP5 PUSH2 0x140 ADD MLOAD DUP6 PUSH1 0x0 ADD MLOAD DUP6 DUP6 PUSH1 0x0 ADD MLOAD PUSH2 0x3A23 JUMP JUMPDEST PUSH2 0x3838 DUP5 PUSH2 0x160 ADD MLOAD DUP5 DUP7 PUSH1 0x0 ADD MLOAD DUP6 PUSH1 0x20 ADD MLOAD PUSH2 0x3A23 JUMP JUMPDEST PUSH2 0x3850 DUP2 DUP6 PUSH1 0x0 ADD MLOAD DUP7 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x40 ADD MLOAD PUSH2 0x3A23 JUMP JUMPDEST PUSH2 0x27A3 DUP2 DUP5 DUP7 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x60 ADD MLOAD PUSH2 0x3A23 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 ADD DUP4 DUP2 LT ISZERO PUSH2 0x38A3 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567D JUMP JUMPDEST DUP1 SWAP2 POP JUMPDEST POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP4 ISZERO ISZERO PUSH2 0x38C1 JUMPI PUSH1 0x0 SWAP2 POP PUSH2 0x38A7 JUMP JUMPDEST POP DUP3 DUP3 MUL DUP3 DUP5 DUP3 DUP2 ISZERO ISZERO PUSH2 0x38D1 JUMPI INVALID JUMPDEST DIV EQ PUSH2 0x38A3 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567D JUMP JUMPDEST PUSH1 0x0 DUP1 DUP4 GT PUSH2 0x3944 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x564D JUMP JUMPDEST PUSH2 0x394F DUP5 DUP5 DUP5 PUSH2 0x427C JUMP JUMPDEST ISZERO PUSH2 0x3438 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56AD JUMP JUMPDEST PUSH1 0x0 DUP1 DUP4 GT PUSH2 0x39C1 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x564D JUMP JUMPDEST PUSH2 0x39CC DUP5 DUP5 DUP5 PUSH2 0x4301 JUMP JUMPDEST ISZERO PUSH2 0x3A03 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56AD JUMP JUMPDEST PUSH2 0x344B PUSH2 0x3445 PUSH2 0x3A13 DUP7 DUP6 PUSH2 0x38AE JUMP JUMPDEST PUSH2 0x3A1E DUP7 PUSH1 0x1 PUSH2 0x2F7D JUMP JUMPDEST PUSH2 0x3864 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP4 GT DUP1 ISZERO PUSH2 0x3A62 JUMPI POP DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO JUMPDEST ISZERO PUSH2 0x3BE5 JUMPI DUP6 MLOAD PUSH1 0x3 LT PUSH2 0x3AA2 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x573D JUMP JUMPDEST POP POP PUSH1 0x20 DUP5 DUP2 ADD MLOAD PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0xB SWAP1 SWAP3 MSTORE PUSH1 0x40 SWAP1 SWAP2 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP1 ISZERO ISZERO PUSH2 0x3B2B JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56ED JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH7 0xFFFFFFFFFFFE0 PUSH1 0x3F DUP9 MLOAD ADD AND DUP1 PUSH1 0x84 ADD DUP3 ADD PUSH32 0xA85E59E400000000000000000000000000000000000000000000000000000000 DUP4 MSTORE PUSH1 0x80 PUSH1 0x4 DUP5 ADD MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP9 AND PUSH1 0x24 DUP5 ADD MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND PUSH1 0x44 DUP5 ADD MSTORE DUP6 PUSH1 0x64 DUP5 ADD MSTORE PUSH1 0x84 DUP4 ADD JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x3BC7 JUMPI DUP10 MLOAD DUP2 MSTORE PUSH1 0x20 SWAP10 DUP11 ADD SWAP10 ADD PUSH2 0x3BAF JUMP JUMPDEST PUSH2 0x200 DUP5 DUP6 DUP5 SUB DUP7 PUSH1 0x0 DUP10 GAS CALL DUP1 ISZERO ISZERO PUSH2 0x3BDF JUMPI RETURNDATASIZE DUP6 REVERT JUMPDEST POP POP POP POP POP JUMPDEST POP POP POP POP POP POP JUMP JUMPDEST DUP1 MLOAD PUSH1 0x0 SWAP1 PUSH1 0xFF AND PUSH1 0x3 EQ PUSH2 0x3C2E JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x579D JUMP JUMPDEST PUSH1 0x60 DUP4 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND ISZERO PUSH2 0x3CA1 JUMPI PUSH1 0x60 DUP4 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x3CA1 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x57AD JUMP JUMPDEST PUSH2 0x3CA9 PUSH2 0x25DF JUMP JUMPDEST DUP4 MLOAD SWAP1 SWAP2 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP4 AND SWAP2 AND EQ PUSH2 0x3CFF JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x566D JUMP JUMPDEST POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x5 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE DUP3 DUP2 ADD MLOAD DUP4 MLOAD PUSH2 0x140 DUP6 ADD MLOAD PUSH2 0x160 DUP7 ADD MLOAD SWAP4 MLOAD DUP6 SWAP5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP5 DUP6 AND SWAP5 SWAP4 SWAP1 SWAP4 AND SWAP3 PUSH32 0xDC47B3613D9FE400085F6DBDC99453462279057E6207385042827ED6B1A62CF7 SWAP3 PUSH2 0x3D9F SWAP3 CALLER SWAP3 SWAP1 PUSH2 0x54B7 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG4 POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x14 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x3DED JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x578D JUMP JUMPDEST POP ADD PUSH1 0x14 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP1 DUP3 DUP5 DUP2 ISZERO ISZERO PUSH2 0x3E1A JUMPI INVALID JUMPDEST DIV SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x4F72646572280000000000000000000000000000000000000000000000000000 PUSH1 0x20 DUP1 DUP4 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH32 0x61646472657373206D616B6572416464726573732C0000000000000000000000 PUSH1 0x26 DUP4 ADD MSTORE PUSH32 0x616464726573732074616B6572416464726573732C0000000000000000000000 PUSH1 0x3B DUP4 ADD MSTORE PUSH32 0x6164647265737320666565526563697069656E74416464726573732C00000000 PUSH1 0x50 DUP4 ADD MSTORE PUSH32 0x616464726573732073656E646572416464726573732C00000000000000000000 PUSH1 0x6C DUP4 ADD MSTORE PUSH32 0x75696E74323536206D616B65724173736574416D6F756E742C00000000000000 PUSH1 0x82 DUP4 ADD MSTORE PUSH32 0x75696E743235362074616B65724173736574416D6F756E742C00000000000000 PUSH1 0x9B DUP4 ADD MSTORE PUSH32 0x75696E74323536206D616B65724665652C000000000000000000000000000000 PUSH1 0xB4 DUP4 ADD MSTORE PUSH32 0x75696E743235362074616B65724665652C000000000000000000000000000000 PUSH1 0xC5 DUP4 ADD MSTORE PUSH32 0x75696E743235362065787069726174696F6E54696D655365636F6E64732C0000 PUSH1 0xD6 DUP4 ADD MSTORE PUSH32 0x75696E743235362073616C742C00000000000000000000000000000000000000 PUSH1 0xF4 DUP4 ADD MSTORE PUSH32 0x6279746573206D616B65724173736574446174612C0000000000000000000000 PUSH2 0x101 DUP4 ADD MSTORE PUSH32 0x62797465732074616B6572417373657444617461000000000000000000000000 PUSH2 0x116 DUP4 ADD MSTORE PUSH32 0x2900000000000000000000000000000000000000000000000000000000000000 PUSH2 0x12A DUP4 ADD MSTORE DUP3 MLOAD PUSH2 0x10B DUP2 DUP5 SUB ADD DUP2 MSTORE PUSH2 0x12B SWAP1 SWAP3 ADD SWAP3 DUP4 SWAP1 MSTORE DUP2 MLOAD PUSH1 0x0 SWAP4 DUP5 SWAP4 DUP5 SWAP4 DUP5 SWAP4 SWAP2 SWAP3 SWAP2 DUP3 SWAP2 DUP5 ADD SWAP1 DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x40AB JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x406E JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 MLOAD SWAP2 SWAP1 SWAP4 ADD DUP2 SWAP1 SUB DUP2 KECCAK256 PUSH2 0x140 DUP12 ADD MLOAD DUP1 MLOAD SWAP2 SWAP10 POP SWAP6 POP SWAP1 SWAP4 POP DUP4 SWAP3 DUP6 ADD SWAP2 POP DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x4146 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x4109 JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 MLOAD SWAP2 SWAP1 SWAP4 ADD DUP2 SWAP1 SUB DUP2 KECCAK256 PUSH2 0x160 DUP12 ADD MLOAD DUP1 MLOAD SWAP2 SWAP9 POP SWAP6 POP SWAP1 SWAP4 POP DUP4 SWAP3 DUP6 ADD SWAP2 POP DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x41E1 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x41A4 JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 SWAP1 SWAP4 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP2 AND SWAP3 AND SWAP2 SWAP1 SWAP2 OR SWAP1 MSTORE PUSH1 0x40 MLOAD SWAP3 ADD DUP3 SWAP1 SUB SWAP1 SWAP2 KECCAK256 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 DUP10 ADD DUP1 MLOAD PUSH2 0x140 DUP12 ADD DUP1 MLOAD PUSH2 0x160 SWAP1 SWAP13 ADD DUP1 MLOAD SWAP11 DUP5 MSTORE SWAP9 DUP2 MSTORE SWAP3 DUP9 MSTORE PUSH2 0x1A0 DUP3 KECCAK256 SWAP2 MSTORE SWAP9 SWAP1 MSTORE POP POP POP SWAP2 SWAP1 MSTORE POP SWAP1 SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 DUP5 GT PUSH2 0x42B8 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x564D JUMP JUMPDEST DUP3 ISZERO DUP1 PUSH2 0x42C3 JUMPI POP DUP5 ISZERO JUMPDEST ISZERO PUSH2 0x42D1 JUMPI PUSH1 0x0 SWAP2 POP PUSH2 0xA88 JUMP JUMPDEST DUP4 DUP1 ISZERO ISZERO PUSH2 0x42DB JUMPI INVALID JUMPDEST DUP6 DUP5 MULMOD SWAP1 POP PUSH2 0x42EA DUP6 DUP5 PUSH2 0x38AE JUMP JUMPDEST PUSH2 0x42F6 PUSH2 0x3E8 DUP4 PUSH2 0x38AE JUMP JUMPDEST LT ISZERO SWAP6 SWAP5 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 DUP5 GT PUSH2 0x433D JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x564D JUMP JUMPDEST DUP3 ISZERO DUP1 PUSH2 0x4348 JUMPI POP DUP5 ISZERO JUMPDEST ISZERO PUSH2 0x4356 JUMPI PUSH1 0x0 SWAP2 POP PUSH2 0xA88 JUMP JUMPDEST DUP4 DUP1 ISZERO ISZERO PUSH2 0x4360 JUMPI INVALID JUMPDEST DUP6 DUP5 MULMOD SWAP1 POP DUP4 PUSH2 0x4370 DUP6 DUP4 PUSH2 0x2F7D JUMP JUMPDEST DUP2 ISZERO ISZERO PUSH2 0x4379 JUMPI INVALID JUMPDEST MOD SWAP1 POP PUSH2 0x42EA DUP6 DUP5 PUSH2 0x38AE JUMP JUMPDEST PUSH1 0x80 PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE POP SWAP1 JUMP JUMPDEST PUSH2 0x120 PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 PUSH2 0x43C4 PUSH2 0x4386 JUMP JUMPDEST DUP2 MSTORE PUSH1 0x20 ADD PUSH2 0x43D1 PUSH2 0x4386 JUMP JUMPDEST DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE POP SWAP1 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x60 DUP2 ADD DUP3 MSTORE PUSH1 0x0 DUP1 DUP3 MSTORE PUSH1 0x20 DUP3 ADD DUP2 SWAP1 MSTORE SWAP2 DUP2 ADD SWAP2 SWAP1 SWAP2 MSTORE SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x260A DUP3 CALLDATALOAD PUSH2 0x58B0 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x441B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x442E PUSH2 0x4429 DUP3 PUSH2 0x583F JUMP JUMPDEST PUSH2 0x5818 JUMP JUMPDEST DUP2 DUP2 MSTORE PUSH1 0x20 SWAP4 DUP5 ADD SWAP4 SWAP1 SWAP3 POP DUP3 ADD DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x446C JUMPI DUP2 CALLDATALOAD DUP7 ADD PUSH2 0x4456 DUP9 DUP3 PUSH2 0x45BC JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0x4440 JUMP JUMPDEST POP POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x4487 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x4495 PUSH2 0x4429 DUP3 PUSH2 0x583F JUMP JUMPDEST DUP2 DUP2 MSTORE PUSH1 0x20 SWAP4 DUP5 ADD SWAP4 SWAP1 SWAP3 POP DUP3 ADD DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x446C JUMPI DUP2 CALLDATALOAD DUP7 ADD PUSH2 0x44BD DUP9 DUP3 PUSH2 0x460B JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0x44A7 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x44E4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x44F2 PUSH2 0x4429 DUP3 PUSH2 0x583F JUMP JUMPDEST SWAP2 POP DUP2 DUP2 DUP4 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH1 0x20 DUP2 ADD SWAP1 POP DUP4 DUP6 PUSH1 0x20 DUP5 MUL DUP3 ADD GT ISZERO PUSH2 0x4517 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x446C JUMPI DUP2 PUSH2 0x452D DUP9 DUP3 PUSH2 0x454F JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0x451A JUMP JUMPDEST PUSH1 0x0 PUSH2 0x260A DUP3 CALLDATALOAD PUSH2 0x58C9 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x260A DUP3 CALLDATALOAD PUSH2 0x58CE JUMP JUMPDEST PUSH1 0x0 PUSH2 0x260A DUP3 CALLDATALOAD PUSH2 0x58D1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x260A DUP3 MLOAD PUSH2 0x58D1 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x1F DUP4 ADD DUP5 SGT PUSH2 0x4585 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP DUP2 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x459D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x20 DUP4 ADD SWAP2 POP DUP4 PUSH1 0x1 DUP3 MUL DUP4 ADD GT ISZERO PUSH2 0x45B5 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x45CD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x45DB PUSH2 0x4429 DUP3 PUSH2 0x5860 JUMP JUMPDEST SWAP2 POP DUP1 DUP3 MSTORE PUSH1 0x20 DUP4 ADD PUSH1 0x20 DUP4 ADD DUP6 DUP4 DUP4 ADD GT ISZERO PUSH2 0x45F7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4602 DUP4 DUP3 DUP5 PUSH2 0x5907 JUMP JUMPDEST POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x180 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x461E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4629 PUSH2 0x180 PUSH2 0x5818 JUMP JUMPDEST SWAP1 POP PUSH1 0x0 PUSH2 0x4637 DUP5 DUP5 PUSH2 0x43FE JUMP JUMPDEST DUP3 MSTORE POP PUSH1 0x20 PUSH2 0x4648 DUP5 DUP5 DUP4 ADD PUSH2 0x43FE JUMP JUMPDEST PUSH1 0x20 DUP4 ADD MSTORE POP PUSH1 0x40 PUSH2 0x465C DUP5 DUP3 DUP6 ADD PUSH2 0x43FE JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MSTORE POP PUSH1 0x60 PUSH2 0x4670 DUP5 DUP3 DUP6 ADD PUSH2 0x43FE JUMP JUMPDEST PUSH1 0x60 DUP4 ADD MSTORE POP PUSH1 0x80 PUSH2 0x4684 DUP5 DUP3 DUP6 ADD PUSH2 0x454F JUMP JUMPDEST PUSH1 0x80 DUP4 ADD MSTORE POP PUSH1 0xA0 PUSH2 0x4698 DUP5 DUP3 DUP6 ADD PUSH2 0x454F JUMP JUMPDEST PUSH1 0xA0 DUP4 ADD MSTORE POP PUSH1 0xC0 PUSH2 0x46AC DUP5 DUP3 DUP6 ADD PUSH2 0x454F JUMP JUMPDEST PUSH1 0xC0 DUP4 ADD MSTORE POP PUSH1 0xE0 PUSH2 0x46C0 DUP5 DUP3 DUP6 ADD PUSH2 0x454F JUMP JUMPDEST PUSH1 0xE0 DUP4 ADD MSTORE POP PUSH2 0x100 PUSH2 0x46D5 DUP5 DUP3 DUP6 ADD PUSH2 0x454F JUMP JUMPDEST PUSH2 0x100 DUP4 ADD MSTORE POP PUSH2 0x120 PUSH2 0x46EB DUP5 DUP3 DUP6 ADD PUSH2 0x454F JUMP JUMPDEST PUSH2 0x120 DUP4 ADD MSTORE POP PUSH2 0x140 DUP3 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x470D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4719 DUP5 DUP3 DUP6 ADD PUSH2 0x45BC JUMP JUMPDEST PUSH2 0x140 DUP4 ADD MSTORE POP PUSH2 0x160 DUP3 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x473B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4747 DUP5 DUP3 DUP6 ADD PUSH2 0x45BC JUMP JUMPDEST PUSH2 0x160 DUP4 ADD MSTORE POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x4766 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x344B DUP5 DUP5 PUSH2 0x43FE JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x4785 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x4791 DUP6 DUP6 PUSH2 0x43FE JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 PUSH2 0x47A2 DUP6 DUP3 DUP7 ADD PUSH2 0x43FE JUMP JUMPDEST SWAP2 POP POP SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x47BF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x47CB DUP6 DUP6 PUSH2 0x43FE JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 PUSH2 0x47A2 DUP6 DUP3 DUP7 ADD PUSH2 0x4543 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x47EE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4805 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x344B DUP5 DUP3 DUP6 ADD PUSH2 0x4476 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x60 DUP5 DUP7 SUB SLT ISZERO PUSH2 0x4826 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP4 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x483D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4849 DUP7 DUP3 DUP8 ADD PUSH2 0x4476 JUMP JUMPDEST SWAP4 POP POP PUSH1 0x20 DUP5 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4866 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4872 DUP7 DUP3 DUP8 ADD PUSH2 0x44D3 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x40 DUP5 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x488F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x489B DUP7 DUP3 DUP8 ADD PUSH2 0x440A JUMP JUMPDEST SWAP2 POP POP SWAP3 POP SWAP3 POP SWAP3 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x60 DUP5 DUP7 SUB SLT ISZERO PUSH2 0x48BA JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP4 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x48D1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x48DD DUP7 DUP3 DUP8 ADD PUSH2 0x4476 JUMP JUMPDEST SWAP4 POP POP PUSH1 0x20 PUSH2 0x4872 DUP7 DUP3 DUP8 ADD PUSH2 0x454F JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x4900 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x344B DUP5 DUP5 PUSH2 0x454F JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x491F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x4791 DUP6 DUP6 PUSH2 0x454F JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x60 DUP6 DUP8 SUB SLT ISZERO PUSH2 0x4941 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x494D DUP8 DUP8 PUSH2 0x454F JUMP JUMPDEST SWAP5 POP POP PUSH1 0x20 PUSH2 0x495E DUP8 DUP3 DUP9 ADD PUSH2 0x43FE JUMP JUMPDEST SWAP4 POP POP PUSH1 0x40 DUP6 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x497B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4987 DUP8 DUP3 DUP9 ADD PUSH2 0x4573 JUMP JUMPDEST SWAP6 SWAP9 SWAP5 SWAP8 POP SWAP6 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x60 DUP5 DUP7 SUB SLT ISZERO PUSH2 0x49A8 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x49B4 DUP7 DUP7 PUSH2 0x454F JUMP JUMPDEST SWAP4 POP POP PUSH1 0x20 PUSH2 0x49C5 DUP7 DUP3 DUP8 ADD PUSH2 0x43FE JUMP JUMPDEST SWAP3 POP POP PUSH1 0x40 DUP5 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x49E2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x489B DUP7 DUP3 DUP8 ADD PUSH2 0x45BC JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x4A00 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x344B DUP5 DUP5 PUSH2 0x455B JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x4A1E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x344B DUP5 DUP5 PUSH2 0x4567 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x4A3C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4A53 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x344B DUP5 DUP3 DUP6 ADD PUSH2 0x460B JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x80 DUP6 DUP8 SUB SLT ISZERO PUSH2 0x4A75 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP5 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4A8C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4A98 DUP8 DUP3 DUP9 ADD PUSH2 0x460B JUMP JUMPDEST SWAP5 POP POP PUSH1 0x20 DUP6 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4AB5 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4AC1 DUP8 DUP3 DUP9 ADD PUSH2 0x460B JUMP JUMPDEST SWAP4 POP POP PUSH1 0x40 DUP6 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4ADE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4AEA DUP8 DUP3 DUP9 ADD PUSH2 0x45BC JUMP JUMPDEST SWAP3 POP POP PUSH1 0x60 DUP6 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4B07 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4B13 DUP8 DUP3 DUP9 ADD PUSH2 0x45BC JUMP JUMPDEST SWAP2 POP POP SWAP3 SWAP6 SWAP2 SWAP5 POP SWAP3 POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x60 DUP5 DUP7 SUB SLT ISZERO PUSH2 0x4B34 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP4 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4B4B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4B57 DUP7 DUP3 DUP8 ADD PUSH2 0x460B JUMP JUMPDEST SWAP4 POP POP PUSH1 0x20 PUSH2 0x49C5 DUP7 DUP3 DUP8 ADD PUSH2 0x454F JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x80 DUP8 DUP10 SUB SLT ISZERO PUSH2 0x4B81 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x4B8D DUP10 DUP10 PUSH2 0x454F JUMP JUMPDEST SWAP7 POP POP PUSH1 0x20 PUSH2 0x4B9E DUP10 DUP3 DUP11 ADD PUSH2 0x43FE JUMP JUMPDEST SWAP6 POP POP PUSH1 0x40 DUP8 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4BBB JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4BC7 DUP10 DUP3 DUP11 ADD PUSH2 0x4573 JUMP JUMPDEST SWAP5 POP SWAP5 POP POP PUSH1 0x60 DUP8 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4BE6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4BF2 DUP10 DUP3 DUP11 ADD PUSH2 0x4573 JUMP JUMPDEST SWAP3 POP SWAP3 POP POP SWAP3 SWAP6 POP SWAP3 SWAP6 POP SWAP3 SWAP6 JUMP JUMPDEST PUSH2 0x4C0A DUP2 PUSH2 0x58B0 JUMP JUMPDEST DUP3 MSTORE POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x4C1B DUP3 PUSH2 0x58AC JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH2 0x4C2D DUP4 PUSH2 0x58A6 JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP3 DUP2 LT ISZERO PUSH2 0x4C5D JUMPI PUSH2 0x4C43 DUP7 DUP4 MLOAD PUSH2 0x53E5 JUMP JUMPDEST PUSH2 0x4C4C DUP3 PUSH2 0x58A6 JUMP JUMPDEST PUSH1 0x60 SWAP7 SWAP1 SWAP7 ADD SWAP6 SWAP2 POP PUSH1 0x1 ADD PUSH2 0x4C30 JUMP JUMPDEST POP SWAP4 SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH2 0x4C0A DUP2 PUSH2 0x58C9 JUMP JUMPDEST PUSH2 0x4C0A DUP2 PUSH2 0x58CE JUMP JUMPDEST PUSH2 0x4C0A DUP2 PUSH2 0x58D1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x4C8D DUP3 PUSH2 0x58AC JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH2 0x4CA1 DUP2 PUSH1 0x20 DUP7 ADD PUSH1 0x20 DUP7 ADD PUSH2 0x5913 JUMP JUMPDEST PUSH2 0x4CAA DUP2 PUSH2 0x593F JUMP JUMPDEST SWAP1 SWAP4 ADD PUSH1 0x20 ADD SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH2 0x4C0A DUP2 PUSH2 0x58FC JUMP JUMPDEST PUSH1 0x12 DUP2 MSTORE PUSH32 0x4C454E4754485F36355F52455155495245440000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xD DUP2 MSTORE PUSH32 0x494E56414C49445F54414B455200000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xE DUP2 MSTORE PUSH32 0x4F524445525F4F56455246494C4C000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x11 DUP2 MSTORE PUSH32 0x55494E543235365F554E444552464C4F57000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x1A DUP2 MSTORE PUSH32 0x41535345545F50524F58595F414C52454144595F455849535453000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x26 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F33325F4C454E4754485F5245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5155495245440000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x15 DUP2 MSTORE PUSH32 0x5349474E41545552455F554E535550504F525445440000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x10 DUP2 MSTORE PUSH32 0x4449564953494F4E5F42595F5A45524F00000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x17 DUP2 MSTORE PUSH32 0x494E56414C49445F4F524445525F5349474E4154555245000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xD DUP2 MSTORE PUSH32 0x494E56414C49445F4D414B455200000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x10 DUP2 MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xF DUP2 MSTORE PUSH32 0x494E56414C49445F54585F484153480000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x11 DUP2 MSTORE PUSH32 0x494E56414C49445F5349474E4154555245000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xE DUP2 MSTORE PUSH32 0x524F554E44494E475F4552524F52000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x10 DUP2 MSTORE PUSH32 0x4641494C45445F455845435554494F4E00000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xD DUP2 MSTORE PUSH32 0x54414B45525F4F56455250415900000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x14 DUP2 MSTORE PUSH32 0x494E56414C49445F54414B45525F414D4F554E54000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x1A DUP2 MSTORE PUSH32 0x41535345545F50524F58595F444F45535F4E4F545F4558495354000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x21 DUP2 MSTORE PUSH32 0x475245415445525F5448414E5F5A45524F5F4C454E4754485F52455155495245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x4400000000000000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x11 DUP2 MSTORE PUSH32 0x5349474E41545552455F494C4C4547414C000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x1E DUP2 MSTORE PUSH32 0x4C454E4754485F475245415445525F5448414E5F305F52455155495245440000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x17 DUP2 MSTORE PUSH32 0x494E56414C49445F4E45575F4F524445525F45504F4348000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x1E DUP2 MSTORE PUSH32 0x4C454E4754485F475245415445525F5448414E5F335F52455155495245440000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x14 DUP2 MSTORE PUSH32 0x434F4D504C4554455F46494C4C5F4641494C4544000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x12 DUP2 MSTORE PUSH32 0x494E56414C49445F46494C4C5F50524943450000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x12 DUP2 MSTORE PUSH32 0x5245454E5452414E43595F494C4C4547414C0000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x13 DUP2 MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x26 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F32305F4C454E4754485F5245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5155495245440000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x10 DUP2 MSTORE PUSH32 0x4F524445525F554E46494C4C41424C4500000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xE DUP2 MSTORE PUSH32 0x494E56414C49445F53454E444552000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x18 DUP2 MSTORE PUSH32 0x4E454741544956455F5350524541445F52455155495245440000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x14 DUP2 MSTORE PUSH32 0x494E56414C49445F54585F5349474E4154555245000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x11 DUP2 MSTORE PUSH32 0x4C454E4754485F305F5245515549524544000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST DUP1 MLOAD PUSH1 0x80 DUP4 ADD SWAP1 PUSH2 0x5373 DUP5 DUP3 PUSH2 0x4C70 JUMP JUMPDEST POP PUSH1 0x20 DUP3 ADD MLOAD PUSH2 0x5386 PUSH1 0x20 DUP6 ADD DUP3 PUSH2 0x4C70 JUMP JUMPDEST POP PUSH1 0x40 DUP3 ADD MLOAD PUSH2 0x5399 PUSH1 0x40 DUP6 ADD DUP3 PUSH2 0x4C70 JUMP JUMPDEST POP PUSH1 0x60 DUP3 ADD MLOAD PUSH2 0x27A3 PUSH1 0x60 DUP6 ADD DUP3 PUSH2 0x4C70 JUMP JUMPDEST DUP1 MLOAD PUSH2 0x120 DUP4 ADD SWAP1 PUSH2 0x53BE DUP5 DUP3 PUSH2 0x5362 JUMP JUMPDEST POP PUSH1 0x20 DUP3 ADD MLOAD PUSH2 0x53D1 PUSH1 0x80 DUP6 ADD DUP3 PUSH2 0x5362 JUMP JUMPDEST POP PUSH1 0x40 DUP3 ADD MLOAD PUSH2 0x27A3 PUSH2 0x100 DUP6 ADD DUP3 PUSH2 0x4C70 JUMP JUMPDEST DUP1 MLOAD PUSH1 0x60 DUP4 ADD SWAP1 PUSH2 0x53F6 DUP5 DUP3 PUSH2 0x541C JUMP JUMPDEST POP PUSH1 0x20 DUP3 ADD MLOAD PUSH2 0x5409 PUSH1 0x20 DUP6 ADD DUP3 PUSH2 0x4C70 JUMP JUMPDEST POP PUSH1 0x40 DUP3 ADD MLOAD PUSH2 0x27A3 PUSH1 0x40 DUP6 ADD DUP3 PUSH2 0x4C70 JUMP JUMPDEST PUSH2 0x4C0A DUP2 PUSH2 0x58F6 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x2FBE DUP3 DUP5 PUSH2 0x4C01 JUMP JUMPDEST PUSH2 0x100 DUP2 ADD PUSH2 0x5442 DUP3 DUP12 PUSH2 0x4C01 JUMP JUMPDEST PUSH2 0x544F PUSH1 0x20 DUP4 ADD DUP11 PUSH2 0x4C01 JUMP JUMPDEST PUSH2 0x545C PUSH1 0x40 DUP4 ADD DUP10 PUSH2 0x4C70 JUMP JUMPDEST PUSH2 0x5469 PUSH1 0x60 DUP4 ADD DUP9 PUSH2 0x4C70 JUMP JUMPDEST PUSH2 0x5476 PUSH1 0x80 DUP4 ADD DUP8 PUSH2 0x4C70 JUMP JUMPDEST PUSH2 0x5483 PUSH1 0xA0 DUP4 ADD DUP7 PUSH2 0x4C70 JUMP JUMPDEST DUP2 DUP2 SUB PUSH1 0xC0 DUP4 ADD MSTORE PUSH2 0x5495 DUP2 DUP6 PUSH2 0x4C82 JUMP JUMPDEST SWAP1 POP DUP2 DUP2 SUB PUSH1 0xE0 DUP4 ADD MSTORE PUSH2 0x54A9 DUP2 DUP5 PUSH2 0x4C82 JUMP JUMPDEST SWAP11 SWAP10 POP POP POP POP POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x60 DUP2 ADD PUSH2 0x54C5 DUP3 DUP7 PUSH2 0x4C01 JUMP JUMPDEST DUP2 DUP2 SUB PUSH1 0x20 DUP4 ADD MSTORE PUSH2 0x54D7 DUP2 DUP6 PUSH2 0x4C82 JUMP JUMPDEST SWAP1 POP DUP2 DUP2 SUB PUSH1 0x40 DUP4 ADD MSTORE PUSH2 0x54EB DUP2 DUP5 PUSH2 0x4C82 JUMP JUMPDEST SWAP6 SWAP5 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x260A DUP2 DUP5 PUSH2 0x4C10 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x2FBE DUP3 DUP5 PUSH2 0x4C67 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x2FBE DUP3 DUP5 PUSH2 0x4C70 JUMP JUMPDEST PUSH1 0x60 DUP2 ADD PUSH2 0x552F DUP3 DUP7 PUSH2 0x4C70 JUMP JUMPDEST PUSH2 0x553C PUSH1 0x20 DUP4 ADD DUP6 PUSH2 0x4C01 JUMP JUMPDEST DUP2 DUP2 SUB PUSH1 0x40 DUP4 ADD MSTORE PUSH2 0x54EB DUP2 DUP5 PUSH2 0x4C82 JUMP JUMPDEST PUSH1 0x40 DUP2 ADD PUSH2 0x555C DUP3 DUP6 PUSH2 0x4C70 JUMP JUMPDEST DUP2 DUP2 SUB PUSH1 0x20 DUP4 ADD MSTORE PUSH2 0x344B DUP2 DUP5 PUSH2 0x4C82 JUMP JUMPDEST PUSH1 0x80 DUP2 ADD PUSH2 0x557C DUP3 DUP8 PUSH2 0x4C70 JUMP JUMPDEST PUSH2 0x5589 PUSH1 0x20 DUP4 ADD DUP7 PUSH2 0x541C JUMP JUMPDEST PUSH2 0x5596 PUSH1 0x40 DUP4 ADD DUP6 PUSH2 0x4C70 JUMP JUMPDEST PUSH2 0x54EB PUSH1 0x60 DUP4 ADD DUP5 PUSH2 0x4C70 JUMP JUMPDEST PUSH1 0x40 DUP2 ADD PUSH2 0x55B1 DUP3 DUP6 PUSH2 0x4C79 JUMP JUMPDEST PUSH2 0x260A PUSH1 0x20 DUP4 ADD DUP5 PUSH2 0x4C01 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x260A DUP2 DUP5 PUSH2 0x4C82 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x2FBE DUP3 DUP5 PUSH2 0x4CB7 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4CC0 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4CF0 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4D20 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4D50 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4D80 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4DB0 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4E06 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4E36 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4E66 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4E96 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4EC6 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4EF6 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4F26 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4F56 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4F86 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4FB6 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4FE6 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x5016 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x5046 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x509C JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x50CC JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x50FC JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x512C JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x515C JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x518C JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x51BC JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x51EC JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x521C JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x5272 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x52A2 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x52D2 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x5302 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x5332 JUMP JUMPDEST PUSH1 0x80 DUP2 ADD PUSH2 0x2FBE DUP3 DUP5 PUSH2 0x5362 JUMP JUMPDEST PUSH2 0x120 DUP2 ADD PUSH2 0x2FBE DUP3 DUP5 PUSH2 0x53AC JUMP JUMPDEST PUSH1 0x60 DUP2 ADD PUSH2 0x2FBE DUP3 DUP5 PUSH2 0x53E5 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP2 DUP2 ADD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT DUP3 DUP3 LT OR ISZERO PUSH2 0x5837 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x40 MSTORE SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH8 0xFFFFFFFFFFFFFFFF DUP3 GT ISZERO PUSH2 0x5856 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x20 SWAP1 DUP2 MUL ADD SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH8 0xFFFFFFFFFFFFFFFF DUP3 GT ISZERO PUSH2 0x5877 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x20 PUSH1 0x1F SWAP2 SWAP1 SWAP2 ADD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 AND ADD SWAP1 JUMP JUMPDEST PUSH1 0x20 ADD SWAP1 JUMP JUMPDEST MLOAD SWAP1 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST ISZERO ISZERO SWAP1 JUMP JUMPDEST SWAP1 JUMP JUMPDEST PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND SWAP1 JUMP JUMPDEST PUSH1 0xFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x2FBE DUP3 PUSH2 0x58B0 JUMP JUMPDEST DUP3 DUP2 DUP4 CALLDATACOPY POP PUSH1 0x0 SWAP2 ADD MSTORE JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x592E JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x5916 JUMP JUMPDEST DUP4 DUP2 GT ISZERO PUSH2 0x27A3 JUMPI POP POP PUSH1 0x0 SWAP2 ADD MSTORE JUMP JUMPDEST PUSH1 0x1F ADD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 AND SWAP1 JUMP STOP LOG2 PUSH6 0x627A7A723058 KECCAK256 PUSH22 0xFCAE05644C6AFA57DA58B9541210644237FC1EC14ADF MSIZE 0xf 0xb4 0xa6 EXTCODESIZE 0xa9 0xae 0xc8 DUP8 PUSH13 0x6578706572696D656E74616CF5 STOP CALLDATACOPY ", - "sourceMap": 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PUSH2 0x461 JUMPI DUP1 PUSH4 0x8DA5CB5B EQ PUSH2 0x481 JUMPI DUP1 PUSH4 0x93634702 EQ PUSH2 0x496 JUMPI DUP1 PUSH4 0xA3E20380 EQ PUSH2 0x4B6 JUMPI DUP1 PUSH4 0xB4BE83D5 EQ PUSH2 0x4D6 JUMPI DUP1 PUSH4 0xBFC8BFCE EQ PUSH2 0x4F6 JUMPI DUP1 PUSH4 0xC585BB93 EQ PUSH2 0x516 JUMPI DUP1 PUSH4 0xC75E0A81 EQ PUSH2 0x536 JUMPI DUP1 PUSH4 0xD46B02C3 EQ PUSH2 0x563 JUMPI DUP1 PUSH4 0xD9BFA73E EQ PUSH2 0x583 JUMPI DUP1 PUSH4 0xDB123B1A EQ PUSH2 0x5A3 JUMPI DUP1 PUSH4 0xDD1C7D18 EQ PUSH2 0x5C5 JUMPI DUP1 PUSH4 0xE306F779 EQ PUSH2 0x5E5 JUMPI DUP1 PUSH4 0xE5FA431B EQ PUSH2 0x5FA JUMPI DUP1 PUSH4 0xEEA086BA EQ PUSH2 0x61A JUMPI DUP1 PUSH4 0xF2FDE38B EQ PUSH2 0x62F JUMPI DUP1 PUSH4 0xFFA1AD74 EQ PUSH2 0x64F JUMPI JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1C7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH2 0x1D6 CALLDATASIZE PUSH1 0x4 PUSH2 0x48EE JUMP JUMPDEST PUSH2 0x664 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x5513 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1FD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x20C CALLDATASIZE PUSH1 0x4 PUSH2 0x4811 JUMP JUMPDEST PUSH2 0x676 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x57ED JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x22A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x23E PUSH2 0x239 CALLDATASIZE PUSH1 0x4 PUSH2 0x48EE JUMP JUMPDEST PUSH2 0x7A1 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x5505 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x257 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x266 CALLDATASIZE PUSH1 0x4 PUSH2 0x492B JUMP JUMPDEST PUSH2 0x7B6 JUMP JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x279 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x28D PUSH2 0x288 CALLDATASIZE PUSH1 0x4 PUSH2 0x4A5F JUMP JUMPDEST PUSH2 0x8A3 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x57FB JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2A6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x2B5 CALLDATASIZE PUSH1 0x4 PUSH2 0x4B1F JUMP JUMPDEST PUSH2 0xA3A JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2C6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2DA PUSH2 0x2D5 CALLDATASIZE PUSH1 0x4 PUSH2 0x49EE JUMP JUMPDEST PUSH2 0xA90 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x55CF JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2F3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x302 CALLDATASIZE PUSH1 0x4 PUSH2 0x47DC JUMP JUMPDEST PUSH2 0xAB8 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x313 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x322 CALLDATASIZE PUSH1 0x4 PUSH2 0x4811 JUMP JUMPDEST PUSH2 0xB85 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x333 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x342 CALLDATASIZE PUSH1 0x4 PUSH2 0x48EE JUMP JUMPDEST PUSH2 0xC75 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x353 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x362 CALLDATASIZE PUSH1 0x4 PUSH2 0x4811 JUMP JUMPDEST PUSH2 0xE2A JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x373 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x387 PUSH2 0x382 CALLDATASIZE PUSH1 0x4 PUSH2 0x49EE JUMP JUMPDEST PUSH2 0xEBE JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x5425 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3A0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x23E PUSH2 0x3AF CALLDATASIZE PUSH1 0x4 PUSH2 0x48EE JUMP JUMPDEST PUSH2 0xF0C JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3C0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x3CF CALLDATASIZE PUSH1 0x4 PUSH2 0x4B1F JUMP JUMPDEST PUSH2 0xF21 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3E0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x3EF CALLDATASIZE PUSH1 0x4 PUSH2 0x47AC JUMP JUMPDEST PUSH2 0xFCC JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x400 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x23E PUSH2 0x40F CALLDATASIZE PUSH1 0x4 PUSH2 0x4772 JUMP JUMPDEST PUSH2 0x1106 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x420 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x42F CALLDATASIZE PUSH1 0x4 PUSH2 0x48A5 JUMP JUMPDEST PUSH2 0x1126 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x440 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x454 PUSH2 0x44F CALLDATASIZE PUSH1 0x4 PUSH2 0x47DC JUMP JUMPDEST PUSH2 0x128A JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x54F4 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x46D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x23E PUSH2 0x47C CALLDATASIZE PUSH1 0x4 PUSH2 0x490C JUMP JUMPDEST PUSH2 0x131F JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x48D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x387 PUSH2 0x133F JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x4A2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x23E PUSH2 0x4B1 CALLDATASIZE PUSH1 0x4 PUSH2 0x4993 JUMP JUMPDEST PUSH2 0x135B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x4C2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x4D1 CALLDATASIZE PUSH1 0x4 PUSH2 0x48A5 JUMP JUMPDEST PUSH2 0x18DE JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x4E2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x4F1 CALLDATASIZE PUSH1 0x4 PUSH2 0x4B1F JUMP JUMPDEST PUSH2 0x19F1 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x502 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x511 CALLDATASIZE PUSH1 0x4 PUSH2 0x4B68 JUMP JUMPDEST PUSH2 0x1A6C JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x522 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x531 CALLDATASIZE PUSH1 0x4 PUSH2 0x4754 JUMP JUMPDEST PUSH2 0x1D05 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x542 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x556 PUSH2 0x551 CALLDATASIZE PUSH1 0x4 PUSH2 0x4A2A JUMP JUMPDEST PUSH2 0x1F30 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x580A JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x56F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x57E CALLDATASIZE PUSH1 0x4 PUSH2 0x4A2A JUMP JUMPDEST PUSH2 0x202A JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x58F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH2 0x59E CALLDATASIZE PUSH1 0x4 PUSH2 0x4772 JUMP JUMPDEST PUSH2 0x20C6 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x5AF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x5B8 PUSH2 0x20E3 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x55BE JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x5D1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x5E0 CALLDATASIZE PUSH1 0x4 PUSH2 0x48A5 JUMP JUMPDEST PUSH2 0x218E JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x5F1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH2 0x2263 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x606 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x615 CALLDATASIZE PUSH1 0x4 PUSH2 0x48A5 JUMP JUMPDEST PUSH2 0x2269 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x626 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x387 PUSH2 0x23DB JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x63B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x64A CALLDATASIZE PUSH1 0x4 PUSH2 0x4754 JUMP JUMPDEST PUSH2 0x23F7 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x65B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x5B8 PUSH2 0x24A8 JUMP JUMPDEST PUSH1 0x4 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP2 JUMP JUMPDEST PUSH2 0x67E PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0x689 PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x6CF JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x576D JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR DUP2 SSTORE DUP8 MLOAD SWAP4 POP SWAP2 POP JUMPDEST DUP2 DUP4 EQ PUSH2 0x76F JUMPI PUSH2 0x758 DUP8 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x719 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP8 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x731 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP8 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x749 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x24DF JUMP JUMPDEST SWAP1 POP PUSH2 0x764 DUP5 DUP3 PUSH2 0x257D JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH2 0x701 JUMP JUMPDEST POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x5 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND CALLER EQ PUSH2 0x846 JUMPI PUSH2 0x80E DUP5 DUP5 DUP5 DUP5 DUP1 DUP1 PUSH1 0x1F ADD PUSH1 0x20 DUP1 SWAP2 DIV MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP4 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP4 DUP4 DUP1 DUP3 DUP5 CALLDATACOPY POP PUSH2 0x135B SWAP5 POP POP POP POP POP JUMP JUMPDEST ISZERO ISZERO PUSH2 0x846 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x569D JUMP JUMPDEST POP POP PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x7 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP4 AND DUP5 MSTORE SWAP2 SWAP1 MSTORE SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE JUMP JUMPDEST PUSH2 0x8AB PUSH2 0x43AF JUMP JUMPDEST PUSH2 0x8B3 PUSH2 0x43DE JUMP JUMPDEST PUSH2 0x8BB PUSH2 0x43DE JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x8F9 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x576D JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE PUSH2 0x160 DUP1 DUP10 ADD MLOAD PUSH2 0x140 DUP1 DUP11 ADD SWAP2 SWAP1 SWAP2 MSTORE DUP10 ADD MLOAD SWAP1 DUP9 ADD MSTORE PUSH2 0x945 DUP9 PUSH2 0x1F30 JUMP JUMPDEST SWAP3 POP PUSH2 0x950 DUP8 PUSH2 0x1F30 JUMP JUMPDEST SWAP2 POP PUSH2 0x95A PUSH2 0x25DF JUMP JUMPDEST SWAP1 POP PUSH2 0x968 DUP9 DUP5 DUP4 DUP10 PUSH2 0x2611 JUMP JUMPDEST PUSH2 0x974 DUP8 DUP4 DUP4 DUP9 PUSH2 0x2611 JUMP JUMPDEST PUSH2 0x97E DUP9 DUP9 PUSH2 0x27A9 JUMP JUMPDEST PUSH2 0x992 DUP9 DUP9 DUP6 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x40 ADD MLOAD PUSH2 0x2809 JUMP JUMPDEST DUP1 MLOAD PUSH1 0x20 DUP2 ADD MLOAD SWAP1 MLOAD SWAP2 SWAP6 POP PUSH2 0x9AD SWAP2 DUP11 SWAP2 DUP7 SWAP2 DUP2 SWAP1 PUSH2 0x2990 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP6 ADD MLOAD SWAP1 DUP2 ADD MLOAD SWAP1 MLOAD PUSH2 0x9C9 SWAP2 DUP10 SWAP2 DUP6 SWAP2 SWAP1 DUP2 SWAP1 PUSH2 0x2990 JUMP JUMPDEST PUSH2 0x9E2 DUP9 DUP3 DUP6 PUSH1 0x20 ADD MLOAD DUP7 PUSH1 0x40 ADD MLOAD DUP9 PUSH1 0x0 ADD MLOAD PUSH2 0x2AA9 JUMP JUMPDEST PUSH2 0x9FB DUP8 DUP3 DUP5 PUSH1 0x20 ADD MLOAD DUP6 PUSH1 0x40 ADD MLOAD DUP9 PUSH1 0x20 ADD MLOAD PUSH2 0x2AA9 JUMP JUMPDEST PUSH2 0xA07 DUP9 DUP9 DUP4 DUP8 PUSH2 0x2B55 JUMP JUMPDEST POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH2 0xA42 PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x60 PUSH2 0xA4F DUP6 DUP6 DUP6 PUSH2 0x2D2D JUMP JUMPDEST SWAP1 POP PUSH1 0x80 DUP2 DUP3 MLOAD PUSH1 0x20 DUP5 ADD ADDRESS GAS DELEGATECALL DUP1 ISZERO PUSH2 0xA86 JUMPI DUP2 MLOAD DUP4 MSTORE PUSH1 0x20 DUP3 ADD MLOAD PUSH1 0x20 DUP5 ADD MSTORE PUSH1 0x40 DUP3 ADD MLOAD PUSH1 0x40 DUP5 ADD MSTORE PUSH1 0x60 DUP3 ADD MLOAD PUSH1 0x60 DUP5 ADD MSTORE JUMPDEST POP JUMPDEST POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0xB PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD DUP2 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0xAF8 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x576D JUMP JUMPDEST POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR DUP2 SSTORE DUP2 MLOAD SWAP1 JUMPDEST DUP1 DUP3 EQ PUSH2 0xB58 JUMPI PUSH2 0xB50 DUP4 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xB41 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x2EFF JUMP JUMPDEST PUSH1 0x1 ADD PUSH2 0xB29 JUMP JUMPDEST POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP JUMP JUMPDEST PUSH2 0xB8D PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0xB98 PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0xBD5 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x576D JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR DUP2 SSTORE DUP8 MLOAD SWAP4 POP SWAP2 POP JUMPDEST DUP2 DUP4 EQ PUSH2 0x76F JUMPI PUSH2 0xC5E DUP8 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xC1F JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP8 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xC37 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP8 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xC4F JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x2F2A JUMP JUMPDEST SWAP1 POP PUSH2 0xC6A DUP5 DUP3 PUSH2 0x257D JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH2 0xC07 JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD DUP2 SWAP1 DUP2 SWAP1 DUP2 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0xCB9 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x576D JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE PUSH2 0xCEC PUSH2 0x25DF JUMP JUMPDEST SWAP4 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND CALLER EQ PUSH2 0xD11 JUMPI CALLER PUSH2 0xD14 JUMP JUMPDEST PUSH1 0x0 JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP7 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x6 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP4 DUP6 AND DUP4 MSTORE SWAP3 SWAP1 MSTORE KECCAK256 SLOAD SWAP1 SWAP4 POP PUSH1 0x1 DUP7 ADD SWAP3 POP SWAP1 POP DUP1 DUP3 GT PUSH2 0xD8B JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x572D JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP6 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x6 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP5 DUP9 AND DUP1 DUP5 MSTORE SWAP5 SWAP1 SWAP2 MSTORE SWAP1 DUP2 SWAP1 KECCAK256 DUP6 SWAP1 SSTORE MLOAD PUSH32 0x82AF639571738F4EBD4268FB0363D8957EBE1BBB9E78DBA5EBD69EED39B154F0 SWAP1 PUSH2 0xDF3 SWAP1 DUP7 SWAP1 PUSH2 0x5513 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP POP POP JUMP JUMPDEST PUSH2 0xE32 PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0xE3D PUSH2 0x4386 JUMP JUMPDEST DUP7 MLOAD SWAP3 POP PUSH1 0x0 SWAP2 POP JUMPDEST DUP2 DUP4 EQ PUSH2 0xEB4 JUMPI PUSH2 0xE9D DUP8 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xE5E JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP8 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xE76 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP8 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xE8E JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0xA3A JUMP JUMPDEST SWAP1 POP PUSH2 0xEA9 DUP5 DUP3 PUSH2 0x257D JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH2 0xE46 JUMP JUMPDEST POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0xB PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND JUMPDEST SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x9 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH2 0xF29 PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0xF66 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x576D JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE PUSH2 0xF9C DUP5 DUP5 DUP5 PUSH2 0x2F2A JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x100A JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x576D JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE PUSH2 0x103D PUSH2 0x25DF JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 DUP2 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x8 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP5 DUP10 AND DUP1 DUP5 MSTORE SWAP5 SWAP1 SWAP2 MSTORE SWAP1 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND DUP8 ISZERO ISZERO OR SWAP1 SSTORE MLOAD SWAP3 SWAP4 POP SWAP1 SWAP2 PUSH32 0xA8656E308026EEABCE8F0BC18048433252318AB80AC79DA0B3D3D8697DFBA891 SWAP1 PUSH2 0x10D1 SWAP1 DUP7 SWAP1 PUSH2 0x5505 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP JUMP JUMPDEST PUSH1 0x8 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x0 SWAP3 DUP4 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 SWAP1 SWAP2 MSTORE SWAP1 DUP3 MSTORE SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH2 0x112E PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x0 DUP1 PUSH1 0x0 PUSH2 0x113D PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x117A JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x576D JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR DUP2 SSTORE DUP10 MLOAD DUP11 SWAP2 SWAP1 DUP2 LT PUSH2 0x11B2 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x160 ADD MLOAD SWAP5 POP DUP9 MLOAD SWAP4 POP PUSH1 0x0 SWAP3 POP JUMPDEST DUP3 DUP5 EQ PUSH2 0x1255 JUMPI DUP5 DUP10 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x11E2 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x160 ADD DUP2 SWAP1 MSTORE POP PUSH2 0x1202 DUP9 DUP8 PUSH1 0x20 ADD MLOAD PUSH2 0x2F7D JUMP JUMPDEST SWAP2 POP PUSH2 0x122E DUP10 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1215 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP4 DUP10 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x749 JUMPI INVALID JUMPDEST SWAP1 POP PUSH2 0x123A DUP7 DUP3 PUSH2 0x257D JUMP JUMPDEST PUSH1 0x20 DUP7 ADD MLOAD DUP9 GT PUSH2 0x124A JUMPI PUSH2 0x1255 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP3 ADD SWAP2 PUSH2 0x11CC JUMP JUMPDEST POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP SWAP2 SWAP6 SWAP5 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x60 PUSH1 0x0 PUSH1 0x60 PUSH1 0x0 DUP5 MLOAD SWAP3 POP DUP3 PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x12D0 JUMPI DUP2 PUSH1 0x20 ADD JUMPDEST PUSH2 0x12BD PUSH2 0x43DE JUMP JUMPDEST DUP2 MSTORE PUSH1 0x20 ADD SWAP1 PUSH1 0x1 SWAP1 SUB SWAP1 DUP2 PUSH2 0x12B5 JUMPI SWAP1 POP JUMPDEST POP SWAP2 POP PUSH1 0x0 SWAP1 POP JUMPDEST DUP1 DUP4 EQ PUSH2 0xA88 JUMPI PUSH2 0x12FF DUP6 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x12F0 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x1F30 JUMP JUMPDEST DUP3 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x130D JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MSTORE PUSH1 0x1 ADD PUSH2 0x12D8 JUMP JUMPDEST PUSH1 0x7 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x0 SWAP3 DUP4 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 SWAP1 SWAP2 MSTORE SWAP1 DUP3 MSTORE SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x3 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP10 MLOAD GT ISZERO ISZERO PUSH2 0x13A4 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x571D JUMP JUMPDEST PUSH2 0x13AD DUP10 PUSH2 0x2FC4 JUMP JUMPDEST PUSH32 0x100000000000000000000000000000000000000000000000000000000000000 SWAP1 DIV SWAP7 POP PUSH1 0x7 PUSH1 0xFF DUP9 AND LT PUSH2 0x140F JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x563D JUMP JUMPDEST DUP7 PUSH1 0xFF AND PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x141E JUMPI INVALID JUMPDEST SWAP6 POP PUSH1 0x0 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x142E JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x1466 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x570D JUMP JUMPDEST PUSH1 0x1 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x1474 JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x14BC JUMPI DUP9 MLOAD ISZERO PUSH2 0x14B3 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x57DD JUMP JUMPDEST PUSH1 0x0 SWAP8 POP PUSH2 0x18D0 JUMP JUMPDEST PUSH1 0x2 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x14CA JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x1605 JUMPI DUP9 MLOAD PUSH1 0x41 EQ PUSH2 0x150B JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x55DD JUMP JUMPDEST DUP9 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x151A JUMPI INVALID JUMPDEST ADD PUSH1 0x20 ADD MLOAD PUSH32 0x100000000000000000000000000000000000000000000000000000000000000 SWAP1 DUP2 SWAP1 DIV DUP2 MUL DIV SWAP5 POP PUSH2 0x155A DUP10 PUSH1 0x1 PUSH4 0xFFFFFFFF PUSH2 0x3088 AND JUMP JUMPDEST SWAP4 POP PUSH2 0x156D DUP10 PUSH1 0x21 PUSH4 0xFFFFFFFF PUSH2 0x3088 AND JUMP JUMPDEST SWAP3 POP PUSH1 0x1 DUP12 DUP7 DUP7 DUP7 PUSH1 0x40 MLOAD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x40 MSTORE PUSH1 0x40 MLOAD PUSH2 0x1592 SWAP5 SWAP4 SWAP3 SWAP2 SWAP1 PUSH2 0x556E JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD PUSH1 0x20 DUP2 SUB SWAP1 DUP1 DUP5 SUB SWAP1 PUSH1 0x0 DUP7 GAS CALL ISZERO DUP1 ISZERO PUSH2 0x15B6 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP PUSH1 0x40 MLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP13 DUP2 AND SWAP1 DUP3 AND EQ SWAP10 POP SWAP3 POP PUSH2 0x18D0 SWAP1 POP JUMP JUMPDEST PUSH1 0x3 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x1613 JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x17B9 JUMPI DUP9 MLOAD PUSH1 0x41 EQ PUSH2 0x1654 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x55DD JUMP JUMPDEST DUP9 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1663 JUMPI INVALID JUMPDEST ADD PUSH1 0x20 ADD MLOAD PUSH32 0x100000000000000000000000000000000000000000000000000000000000000 SWAP1 DUP2 SWAP1 DIV DUP2 MUL DIV SWAP5 POP PUSH2 0x16A3 DUP10 PUSH1 0x1 PUSH4 0xFFFFFFFF PUSH2 0x3088 AND JUMP JUMPDEST SWAP4 POP PUSH2 0x16B6 DUP10 PUSH1 0x21 PUSH4 0xFFFFFFFF PUSH2 0x3088 AND JUMP JUMPDEST SWAP3 POP PUSH1 0x1 DUP12 PUSH1 0x40 MLOAD PUSH1 0x20 ADD DUP1 DUP1 PUSH32 0x19457468657265756D205369676E6564204D6573736167653A0A333200000000 DUP2 MSTORE POP PUSH1 0x1C ADD DUP3 PUSH1 0x0 NOT AND PUSH1 0x0 NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD PUSH1 0x20 DUP2 DUP4 SUB SUB DUP2 MSTORE SWAP1 PUSH1 0x40 MSTORE PUSH1 0x40 MLOAD DUP1 DUP3 DUP1 MLOAD SWAP1 PUSH1 0x20 ADD SWAP1 DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x1757 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x171A JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 DUP1 MLOAD SWAP3 SWAP1 SWAP5 ADD DUP3 SWAP1 SUB DUP3 KECCAK256 PUSH1 0x0 DUP4 MSTORE SWAP2 ADD SWAP3 DUP4 SWAP1 MSTORE PUSH2 0x1592 SWAP5 POP SWAP3 POP DUP10 SWAP2 DUP10 SWAP2 POP DUP9 SWAP1 PUSH2 0x556E JUMP JUMPDEST PUSH1 0x4 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x17C7 JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x17DF JUMPI PUSH2 0x17D8 DUP12 DUP12 DUP12 PUSH2 0x30D3 JUMP JUMPDEST SWAP8 POP PUSH2 0x18D0 JUMP JUMPDEST PUSH1 0x5 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x17ED JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x1850 JUMPI PUSH2 0x17FC DUP10 PUSH2 0x3228 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP13 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x8 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP4 DUP6 AND DUP4 MSTORE SWAP3 SWAP1 MSTORE KECCAK256 SLOAD SWAP1 SWAP2 POP PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x1844 JUMPI PUSH1 0x0 SWAP8 POP PUSH2 0x18D0 JUMP JUMPDEST PUSH2 0x17D8 DUP2 DUP13 DUP13 DUP13 PUSH2 0x32A1 JUMP JUMPDEST PUSH1 0x6 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x185E JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x189E JUMPI PUSH1 0x0 DUP12 DUP2 MSTORE PUSH1 0x7 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP15 AND DUP5 MSTORE SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND SWAP8 POP PUSH2 0x18D0 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x563D JUMP JUMPDEST POP POP POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH2 0x18E6 PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH2 0x18F6 PUSH2 0x4386 JUMP JUMPDEST DUP10 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1905 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x140 ADD MLOAD SWAP6 POP DUP10 MLOAD SWAP5 POP PUSH1 0x0 SWAP4 POP JUMPDEST DUP4 DUP6 EQ PUSH2 0x19E4 JUMPI DUP6 DUP11 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1935 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x140 ADD MSTORE DUP7 MLOAD PUSH2 0x1951 SWAP1 DUP11 SWAP1 PUSH2 0x2F7D JUMP JUMPDEST SWAP3 POP PUSH2 0x1994 DUP11 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1964 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0xA0 ADD MLOAD DUP12 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1980 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0x80 ADD MLOAD DUP6 PUSH2 0x33FD JUMP JUMPDEST SWAP2 POP PUSH2 0x19C0 DUP11 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x19A7 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP4 DUP11 DUP8 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xE8E JUMPI INVALID JUMPDEST SWAP1 POP PUSH2 0x19CC DUP8 DUP3 PUSH2 0x257D JUMP JUMPDEST DUP7 MLOAD DUP10 GT PUSH2 0x19D9 JUMPI PUSH2 0x19E4 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP4 ADD SWAP3 PUSH2 0x191F JUMP JUMPDEST POP POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH2 0x19F9 PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x1A36 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x576D JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE PUSH2 0xF9C DUP5 DUP5 DUP5 PUSH2 0x24DF JUMP JUMPDEST PUSH1 0xA SLOAD PUSH1 0x0 SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND ISZERO PUSH2 0x1ABF JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x576D JUMP JUMPDEST PUSH2 0x1B02 PUSH2 0x1AFD DUP9 DUP9 DUP9 DUP9 DUP1 DUP1 PUSH1 0x1F ADD PUSH1 0x20 DUP1 SWAP2 DIV MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP4 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP4 DUP4 DUP1 DUP3 DUP5 CALLDATACOPY POP PUSH2 0x3453 SWAP5 POP POP POP POP POP JUMP JUMPDEST PUSH2 0x3694 JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x9 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD SWAP1 SWAP2 POP PUSH1 0xFF AND ISZERO PUSH2 0x1B4E JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x568D JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 AND CALLER EQ PUSH2 0x1C1F JUMPI PUSH2 0x1BA6 DUP2 DUP8 DUP6 DUP6 DUP1 DUP1 PUSH1 0x1F ADD PUSH1 0x20 DUP1 SWAP2 DIV MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP4 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP4 DUP4 DUP1 DUP3 DUP5 CALLDATACOPY POP PUSH2 0x135B SWAP5 POP POP POP POP POP JUMP JUMPDEST ISZERO ISZERO PUSH2 0x1BDE JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x57CD JUMP JUMPDEST PUSH1 0xA DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP9 AND OR SWAP1 SSTORE JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x9 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE MLOAD ADDRESS SWAP1 DUP7 SWAP1 DUP7 SWAP1 DUP1 DUP4 DUP4 DUP1 DUP3 DUP5 CALLDATACOPY DUP3 ADD SWAP2 POP POP SWAP3 POP POP POP PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 DUP6 GAS DELEGATECALL SWAP2 POP POP ISZERO ISZERO PUSH2 0x1CB6 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56BD JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 AND CALLER EQ PUSH2 0x1CFC JUMPI PUSH1 0xA DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND SWAP1 SSTORE JUMPDEST POP POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x3 SLOAD PUSH1 0x0 SWAP1 DUP2 SWAP1 DUP2 SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x1D5D JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x577D JUMP JUMPDEST DUP4 SWAP3 POP DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH4 0xAE25532E PUSH1 0x40 MLOAD DUP2 PUSH4 0xFFFFFFFF AND PUSH29 0x100000000000000000000000000000000000000000000000000000000 MUL DUP2 MSTORE PUSH1 0x4 ADD PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x1DC4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x1DD8 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x1DFC SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x4A0C JUMP JUMPDEST PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0xB PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD SWAP1 SWAP3 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 POP DUP1 ISZERO PUSH2 0x1E81 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x561D JUMP JUMPDEST PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0xB PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 AND OR SWAP1 SSTORE MLOAD PUSH32 0xD2C6B762299C609BDB96520B58A49BFB80186934D4F71A86A367571A15C03194 SWAP1 PUSH2 0x1F22 SWAP1 DUP5 SWAP1 DUP8 SWAP1 PUSH2 0x55A3 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG1 POP POP POP POP JUMP JUMPDEST PUSH2 0x1F38 PUSH2 0x43DE JUMP JUMPDEST PUSH2 0x1F41 DUP3 PUSH2 0x36D1 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP4 ADD DUP3 SWAP1 MSTORE PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x4 SWAP1 MSTORE PUSH1 0x40 SWAP1 DUP2 SWAP1 KECCAK256 SLOAD SWAP1 DUP3 ADD MSTORE PUSH1 0x80 DUP3 ADD MLOAD ISZERO ISZERO PUSH2 0x1F75 JUMPI PUSH1 0x1 JUMPDEST PUSH1 0xFF AND DUP2 MSTORE PUSH2 0xF07 JUMP JUMPDEST PUSH1 0xA0 DUP3 ADD MLOAD ISZERO ISZERO PUSH2 0x1F87 JUMPI PUSH1 0x2 PUSH2 0x1F6B JUMP JUMPDEST PUSH1 0xA0 DUP3 ADD MLOAD PUSH1 0x40 DUP3 ADD MLOAD LT PUSH2 0x1F9D JUMPI PUSH1 0x5 PUSH2 0x1F6B JUMP JUMPDEST PUSH2 0x100 DUP3 ADD MLOAD TIMESTAMP LT PUSH2 0x1FB0 JUMPI PUSH1 0x4 PUSH2 0x1F6B JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 ADD MLOAD PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x5 SWAP1 SWAP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x1FD4 JUMPI PUSH1 0x6 PUSH2 0x1F6B JUMP JUMPDEST PUSH2 0x120 DUP3 ADD MLOAD DUP3 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x6 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH1 0x60 DUP9 ADD MLOAD SWAP1 SWAP5 AND DUP4 MSTORE SWAP3 SWAP1 MSTORE KECCAK256 SLOAD GT ISZERO PUSH2 0x2021 JUMPI PUSH1 0x6 PUSH2 0x1F6B JUMP JUMPDEST PUSH1 0x3 DUP2 MSTORE SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x2067 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x576D JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE PUSH2 0x209B DUP2 PUSH2 0x2EFF JUMP JUMPDEST POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE JUMP JUMPDEST PUSH1 0x6 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x0 SWAP3 DUP4 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 SWAP1 SWAP2 MSTORE SWAP1 DUP3 MSTORE SWAP1 KECCAK256 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x1 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 DUP5 DUP7 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x2186 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x215B JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x2186 JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x2169 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP DUP2 JUMP JUMPDEST PUSH2 0x2196 PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x0 DUP1 PUSH1 0x0 PUSH2 0x21A5 PUSH2 0x4386 JUMP JUMPDEST DUP9 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x21B4 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x160 ADD MLOAD SWAP5 POP DUP9 MLOAD SWAP4 POP PUSH1 0x0 SWAP3 POP JUMPDEST DUP3 DUP5 EQ PUSH2 0x2257 JUMPI DUP5 DUP10 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x21E4 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x160 ADD DUP2 SWAP1 MSTORE POP PUSH2 0x2204 DUP9 DUP8 PUSH1 0x20 ADD MLOAD PUSH2 0x2F7D JUMP JUMPDEST SWAP2 POP PUSH2 0x2230 DUP10 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x2217 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP4 DUP10 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xE8E JUMPI INVALID JUMPDEST SWAP1 POP PUSH2 0x223C DUP7 DUP3 PUSH2 0x257D JUMP JUMPDEST PUSH1 0x20 DUP7 ADD MLOAD DUP9 GT PUSH2 0x224C JUMPI PUSH2 0x2257 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP3 ADD SWAP2 PUSH2 0x21CE JUMP JUMPDEST POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x2 SLOAD DUP2 JUMP JUMPDEST PUSH2 0x2271 PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH2 0x2281 PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x22BE JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x576D JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR DUP2 SSTORE DUP11 MLOAD DUP12 SWAP2 SWAP1 DUP2 LT PUSH2 0x22F6 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x140 ADD MLOAD SWAP6 POP DUP10 MLOAD SWAP5 POP PUSH1 0x0 SWAP4 POP JUMPDEST DUP4 DUP6 EQ PUSH2 0x23A5 JUMPI DUP6 DUP11 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x2326 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x140 ADD MSTORE DUP7 MLOAD PUSH2 0x2342 SWAP1 DUP11 SWAP1 PUSH2 0x2F7D JUMP JUMPDEST SWAP3 POP PUSH2 0x2355 DUP11 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1964 JUMPI INVALID JUMPDEST SWAP2 POP PUSH2 0x2381 DUP11 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x2368 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP4 DUP11 DUP8 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x749 JUMPI INVALID JUMPDEST SWAP1 POP PUSH2 0x238D DUP8 DUP3 PUSH2 0x257D JUMP JUMPDEST DUP7 MLOAD DUP10 GT PUSH2 0x239A JUMPI PUSH2 0x23A5 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP4 ADD SWAP3 PUSH2 0x2310 JUMP JUMPDEST POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP SWAP3 SWAP7 SWAP6 POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0xA SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x3 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x2448 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x577D JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0x24A5 JUMPI PUSH1 0x3 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND OR SWAP1 SSTORE JUMPDEST POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD DUP1 DUP3 ADD SWAP1 SWAP2 MSTORE PUSH1 0xB DUP2 MSTORE PUSH32 0x322E302E312D616C706861000000000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE DUP2 JUMP JUMPDEST PUSH2 0x24E7 PUSH2 0x4386 JUMP JUMPDEST PUSH2 0x24EF PUSH2 0x43DE JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH2 0x24FD DUP9 PUSH2 0x1F30 JUMP JUMPDEST SWAP4 POP PUSH2 0x2507 PUSH2 0x25DF JUMP JUMPDEST SWAP3 POP PUSH2 0x2515 DUP9 DUP6 DUP6 DUP10 PUSH2 0x2611 JUMP JUMPDEST PUSH2 0x2527 DUP9 PUSH1 0xA0 ADD MLOAD DUP6 PUSH1 0x40 ADD MLOAD PUSH2 0x2F7D JUMP JUMPDEST SWAP2 POP PUSH2 0x2533 DUP8 DUP4 PUSH2 0x36DF JUMP JUMPDEST SWAP1 POP PUSH2 0x2546 DUP9 DUP6 DUP10 DUP5 DUP10 PUSH1 0x0 ADD MLOAD PUSH2 0x2990 JUMP JUMPDEST PUSH2 0x2550 DUP9 DUP3 PUSH2 0x36F5 JUMP JUMPDEST SWAP5 POP PUSH2 0x2567 DUP9 DUP5 DUP7 PUSH1 0x20 ADD MLOAD DUP8 PUSH1 0x40 ADD MLOAD DUP10 PUSH2 0x2AA9 JUMP JUMPDEST PUSH2 0x2572 DUP9 DUP5 DUP8 PUSH2 0x3756 JUMP JUMPDEST POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST DUP2 MLOAD DUP2 MLOAD PUSH2 0x258B SWAP2 SWAP1 PUSH2 0x3864 JUMP JUMPDEST DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 ADD MLOAD SWAP1 DUP3 ADD MLOAD PUSH2 0x25A1 SWAP2 SWAP1 PUSH2 0x3864 JUMP JUMPDEST PUSH1 0x20 DUP4 ADD MSTORE PUSH1 0x40 DUP1 DUP4 ADD MLOAD SWAP1 DUP3 ADD MLOAD PUSH2 0x25BA SWAP2 SWAP1 PUSH2 0x3864 JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MSTORE PUSH1 0x60 DUP1 DUP4 ADD MLOAD SWAP1 DUP3 ADD MLOAD PUSH2 0x25D3 SWAP2 SWAP1 PUSH2 0x3864 JUMP JUMPDEST PUSH1 0x60 SWAP1 SWAP3 ADD SWAP2 SWAP1 SWAP2 MSTORE POP JUMP JUMPDEST PUSH1 0xA SLOAD PUSH1 0x0 SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 DUP2 ISZERO PUSH2 0x2608 JUMPI DUP2 PUSH2 0x260A JUMP JUMPDEST CALLER JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST DUP3 MLOAD PUSH1 0xFF AND PUSH1 0x3 EQ PUSH2 0x264F JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x579D JUMP JUMPDEST PUSH1 0x60 DUP5 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND ISZERO PUSH2 0x26C2 JUMPI PUSH1 0x60 DUP5 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x26C2 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x57AD JUMP JUMPDEST PUSH1 0x20 DUP5 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND ISZERO PUSH2 0x274D JUMPI DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP5 PUSH1 0x20 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO ISZERO PUSH2 0x274D JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x55ED JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MLOAD ISZERO ISZERO PUSH2 0x27A3 JUMPI PUSH2 0x276B DUP4 PUSH1 0x20 ADD MLOAD DUP6 PUSH1 0x0 ADD MLOAD DUP4 PUSH2 0x135B JUMP JUMPDEST ISZERO ISZERO PUSH2 0x27A3 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x565D JUMP JUMPDEST POP POP POP POP JUMP JUMPDEST PUSH2 0x27BB DUP3 PUSH1 0xA0 ADD MLOAD DUP3 PUSH1 0xA0 ADD MLOAD PUSH2 0x38AE JUMP JUMPDEST PUSH2 0x27CD DUP4 PUSH1 0x80 ADD MLOAD DUP4 PUSH1 0x80 ADD MLOAD PUSH2 0x38AE JUMP JUMPDEST LT ISZERO PUSH2 0x2805 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x57BD JUMP JUMPDEST POP POP JUMP JUMPDEST PUSH2 0x2811 PUSH2 0x43AF JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH2 0x2825 DUP10 PUSH1 0xA0 ADD MLOAD DUP9 PUSH2 0x2F7D JUMP JUMPDEST SWAP4 POP PUSH2 0x283A DUP10 PUSH1 0x80 ADD MLOAD DUP11 PUSH1 0xA0 ADD MLOAD DUP7 PUSH2 0x3909 JUMP JUMPDEST SWAP3 POP PUSH2 0x284A DUP9 PUSH1 0xA0 ADD MLOAD DUP8 PUSH2 0x2F7D JUMP JUMPDEST SWAP2 POP PUSH2 0x285F DUP9 PUSH1 0x80 ADD MLOAD DUP10 PUSH1 0xA0 ADD MLOAD DUP5 PUSH2 0x3909 JUMP JUMPDEST SWAP1 POP DUP1 DUP5 LT PUSH2 0x28A2 JUMPI PUSH1 0x20 DUP1 DUP7 ADD DUP1 MLOAD DUP4 SWAP1 MSTORE DUP1 MLOAD DUP3 ADD DUP5 SWAP1 MSTORE MLOAD MLOAD DUP7 MLOAD DUP3 ADD MSTORE PUSH1 0x80 DUP11 ADD MLOAD PUSH1 0xA0 DUP12 ADD MLOAD DUP8 MLOAD SWAP1 SWAP3 ADD MLOAD PUSH2 0x289A SWAP3 SWAP1 PUSH2 0x3909 JUMP JUMPDEST DUP6 MLOAD MSTORE PUSH2 0x28DF JUMP JUMPDEST DUP5 MLOAD DUP4 SWAP1 MSTORE DUP5 MLOAD PUSH1 0x20 SWAP1 DUP2 ADD DUP6 SWAP1 MSTORE DUP6 MLOAD DUP2 ADD MLOAD SWAP1 DUP7 ADD DUP1 MLOAD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0xA0 DUP10 ADD MLOAD PUSH1 0x80 DUP11 ADD MLOAD SWAP2 MLOAD MLOAD PUSH2 0x28D6 SWAP3 SWAP1 PUSH2 0x3986 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP8 ADD MLOAD ADD MSTORE JUMPDEST DUP5 MLOAD MLOAD PUSH1 0x20 DUP1 DUP8 ADD MLOAD ADD MLOAD PUSH2 0x28F4 SWAP2 SWAP1 PUSH2 0x2F7D JUMP JUMPDEST PUSH1 0x40 DUP7 ADD MSTORE DUP5 MLOAD MLOAD PUSH1 0x80 DUP11 ADD MLOAD PUSH1 0xC0 DUP12 ADD MLOAD PUSH2 0x2911 SWAP3 SWAP2 SWAP1 PUSH2 0x3909 JUMP JUMPDEST DUP6 MLOAD PUSH1 0x40 ADD MSTORE DUP5 MLOAD PUSH1 0x20 ADD MLOAD PUSH1 0xA0 DUP11 ADD MLOAD PUSH1 0xE0 DUP12 ADD MLOAD PUSH2 0x2932 SWAP3 SWAP2 SWAP1 PUSH2 0x3909 JUMP JUMPDEST DUP6 MLOAD PUSH1 0x60 ADD MSTORE PUSH1 0x20 DUP6 ADD MLOAD MLOAD PUSH1 0x80 DUP10 ADD MLOAD PUSH1 0xC0 DUP11 ADD MLOAD PUSH2 0x2953 SWAP3 SWAP2 SWAP1 PUSH2 0x3909 JUMP JUMPDEST DUP6 PUSH1 0x20 ADD MLOAD PUSH1 0x40 ADD DUP2 DUP2 MSTORE POP POP PUSH2 0x297B DUP6 PUSH1 0x20 ADD MLOAD PUSH1 0x20 ADD MLOAD DUP10 PUSH1 0xA0 ADD MLOAD DUP11 PUSH1 0xE0 ADD MLOAD PUSH2 0x3909 JUMP JUMPDEST PUSH1 0x20 DUP7 ADD MLOAD PUSH1 0x60 ADD MSTORE POP POP POP POP SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST DUP3 ISZERO ISZERO PUSH2 0x29C9 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56DD JUMP JUMPDEST DUP3 DUP3 GT ISZERO PUSH2 0x2A03 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56CD JUMP JUMPDEST DUP5 PUSH1 0xA0 ADD MLOAD PUSH2 0x2A16 DUP6 PUSH1 0x40 ADD MLOAD DUP5 PUSH2 0x3864 JUMP JUMPDEST GT ISZERO PUSH2 0x2A4E JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x55FD JUMP JUMPDEST PUSH2 0x2A5C DUP6 PUSH1 0x80 ADD MLOAD DUP4 PUSH2 0x38AE JUMP JUMPDEST PUSH2 0x2A6A DUP3 DUP8 PUSH1 0xA0 ADD MLOAD PUSH2 0x38AE JUMP JUMPDEST GT ISZERO PUSH2 0x2AA2 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x575D JUMP JUMPDEST POP POP POP POP POP JUMP JUMPDEST PUSH2 0x2AB7 DUP3 DUP3 PUSH1 0x20 ADD MLOAD PUSH2 0x3864 JUMP JUMPDEST PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP2 DUP3 SWAP1 KECCAK256 SWAP3 SWAP1 SWAP3 SSTORE DUP7 DUP2 ADD MLOAD DUP8 MLOAD DUP5 MLOAD SWAP4 DUP6 ADD MLOAD DUP6 DUP5 ADD MLOAD PUSH1 0x60 DUP8 ADD MLOAD PUSH2 0x140 DUP13 ADD MLOAD PUSH2 0x160 DUP14 ADD MLOAD SWAP7 MLOAD DUP12 SWAP9 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP8 DUP9 AND SWAP9 SWAP8 SWAP1 SWAP7 AND SWAP7 PUSH32 0xBCC4C97732E47D9946F229EDB95F5B6323F601300E4690DE719993F3C371129 SWAP7 PUSH2 0x2B46 SWAP7 DUP16 SWAP7 CALLER SWAP7 SWAP3 SWAP6 SWAP2 SWAP5 SWAP1 SWAP4 SWAP1 PUSH2 0x5433 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG4 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x1 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x1F PUSH1 0x2 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH2 0x100 DUP8 DUP10 AND ISZERO MUL ADD SWAP1 SWAP6 AND SWAP5 SWAP1 SWAP5 DIV SWAP4 DUP5 ADD DUP2 SWAP1 DIV DUP2 MUL DUP3 ADD DUP2 ADD SWAP1 SWAP3 MSTORE DUP3 DUP2 MSTORE PUSH1 0x60 SWAP4 SWAP1 SWAP3 SWAP1 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x2BFE JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x2BD3 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x2BFE JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x2BE1 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP SWAP1 POP PUSH2 0x2C26 DUP6 PUSH2 0x140 ADD MLOAD DUP7 PUSH1 0x0 ADD MLOAD DUP7 PUSH1 0x0 ADD MLOAD DUP6 PUSH1 0x20 ADD MLOAD PUSH1 0x20 ADD MLOAD PUSH2 0x3A23 JUMP JUMPDEST PUSH2 0x140 DUP5 ADD MLOAD DUP5 MLOAD DUP7 MLOAD DUP5 MLOAD PUSH1 0x20 ADD MLOAD PUSH2 0x2C42 SWAP4 SWAP3 SWAP2 SWAP1 PUSH2 0x3A23 JUMP JUMPDEST PUSH2 0x2C5B DUP6 PUSH2 0x140 ADD MLOAD DUP7 PUSH1 0x0 ADD MLOAD DUP6 DUP6 PUSH1 0x40 ADD MLOAD PUSH2 0x3A23 JUMP JUMPDEST PUSH2 0x2C77 DUP2 DUP7 PUSH1 0x0 ADD MLOAD DUP8 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x0 ADD MLOAD PUSH1 0x40 ADD MLOAD PUSH2 0x3A23 JUMP JUMPDEST PUSH2 0x2C93 DUP2 DUP6 PUSH1 0x0 ADD MLOAD DUP7 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x20 ADD MLOAD PUSH1 0x40 ADD MLOAD PUSH2 0x3A23 JUMP JUMPDEST DUP4 PUSH1 0x40 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP6 PUSH1 0x40 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO PUSH2 0x2CFD JUMPI PUSH2 0x2CF8 DUP2 DUP5 DUP8 PUSH1 0x40 ADD MLOAD PUSH2 0x2CF3 DUP7 PUSH1 0x0 ADD MLOAD PUSH1 0x60 ADD MLOAD DUP8 PUSH1 0x20 ADD MLOAD PUSH1 0x60 ADD MLOAD PUSH2 0x3864 JUMP JUMPDEST PUSH2 0x3A23 JUMP JUMPDEST PUSH2 0x2AA2 JUMP JUMPDEST PUSH2 0x2D15 DUP2 DUP5 DUP8 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x0 ADD MLOAD PUSH1 0x60 ADD MLOAD PUSH2 0x3A23 JUMP JUMPDEST PUSH2 0x2AA2 DUP2 DUP5 DUP7 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x20 ADD MLOAD PUSH1 0x60 ADD MLOAD PUSH2 0x3A23 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0xB4BE83D500000000000000000000000000000000000000000000000000000000 PUSH1 0x20 DUP1 DUP4 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0x60 PUSH1 0x24 DUP4 ADD DUP2 DUP2 MSTORE DUP8 MLOAD PUSH1 0x84 DUP6 ADD SWAP1 DUP2 MSTORE DUP9 DUP5 ADD MLOAD PUSH1 0xA4 DUP7 ADD MSTORE SWAP5 DUP9 ADD MLOAD PUSH1 0xC4 DUP6 ADD MSTORE SWAP1 DUP8 ADD MLOAD PUSH1 0xE4 DUP5 ADD MSTORE PUSH1 0x80 DUP8 ADD MLOAD PUSH2 0x104 DUP5 ADD MSTORE PUSH1 0xA0 DUP8 ADD MLOAD PUSH2 0x124 DUP5 ADD MSTORE PUSH1 0xC0 DUP8 ADD MLOAD PUSH2 0x144 DUP5 ADD MSTORE PUSH1 0xE0 DUP8 ADD MLOAD PUSH2 0x164 DUP5 ADD MSTORE PUSH2 0x100 DUP8 ADD MLOAD PUSH2 0x184 DUP5 ADD MSTORE PUSH2 0x120 DUP8 ADD MLOAD PUSH2 0x1A4 DUP5 ADD MSTORE PUSH2 0x140 DUP8 ADD DUP1 MLOAD PUSH2 0x1C4 DUP6 ADD SWAP1 DUP2 MSTORE PUSH2 0x160 DUP10 ADD MLOAD PUSH2 0x1E4 DUP7 ADD MSTORE PUSH2 0x180 SWAP1 MSTORE MLOAD DUP1 MLOAD PUSH2 0x204 DUP6 ADD DUP2 SWAP1 MSTORE SWAP4 SWAP5 SWAP2 SWAP4 DUP5 SWAP4 PUSH1 0x44 DUP8 ADD SWAP3 DUP5 SWAP3 PUSH2 0x224 DUP10 ADD SWAP3 SWAP2 DUP3 ADD SWAP2 PUSH1 0x1F DUP3 ADD DIV PUSH1 0x0 JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x2E34 JUMPI DUP4 MLOAD DUP6 MSTORE PUSH1 0x20 SWAP5 DUP6 ADD SWAP5 SWAP1 SWAP4 ADD SWAP3 PUSH1 0x1 ADD PUSH2 0x2E16 JUMP JUMPDEST POP POP POP POP DUP2 DUP2 SUB PUSH2 0x160 DUP1 DUP5 ADD SWAP2 SWAP1 SWAP2 MSTORE DUP11 ADD MLOAD DUP1 MLOAD DUP1 DUP4 MSTORE PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 DUP3 ADD SWAP2 PUSH1 0x1F DUP3 ADD DIV PUSH1 0x0 JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x2E7D JUMPI DUP4 MLOAD DUP6 MSTORE PUSH1 0x20 SWAP5 DUP6 ADD SWAP5 SWAP1 SWAP4 ADD SWAP3 PUSH1 0x1 ADD PUSH2 0x2E5F JUMP JUMPDEST POP POP POP DUP10 DUP5 MSTORE POP DUP5 DUP2 SUB PUSH1 0x20 SWAP4 DUP5 ADD SWAP1 DUP2 MSTORE DUP9 MLOAD DUP1 DUP4 MSTORE SWAP1 SWAP4 SWAP2 DUP3 ADD SWAP2 DUP10 DUP2 ADD SWAP2 SWAP1 PUSH1 0x1F DUP3 ADD DIV PUSH1 0x0 JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x2EC5 JUMPI DUP4 MLOAD DUP6 MSTORE PUSH1 0x20 SWAP5 DUP6 ADD SWAP5 SWAP1 SWAP4 ADD SWAP3 PUSH1 0x1 ADD PUSH2 0x2EA7 JUMP JUMPDEST POP POP POP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 DUP9 DUP4 SUB ADD DUP9 MSTORE POP PUSH1 0x40 MSTORE POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH2 0x2F07 PUSH2 0x43DE JUMP JUMPDEST PUSH2 0x2F10 DUP3 PUSH2 0x1F30 JUMP JUMPDEST SWAP1 POP PUSH2 0x2F1C DUP3 DUP3 PUSH2 0x3BED JUMP JUMPDEST PUSH2 0x2805 DUP3 DUP3 PUSH1 0x20 ADD MLOAD PUSH2 0x3D04 JUMP JUMPDEST PUSH2 0x2F32 PUSH2 0x4386 JUMP JUMPDEST PUSH2 0x2F3D DUP5 DUP5 DUP5 PUSH2 0x24DF JUMP JUMPDEST PUSH1 0x20 DUP2 ADD MLOAD SWAP1 SWAP2 POP DUP4 EQ PUSH2 0x260A JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x574D JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 GT ISZERO PUSH2 0x2FB9 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x560D JUMP JUMPDEST POP DUP1 DUP3 SUB JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP3 MLOAD GT ISZERO ISZERO PUSH2 0x3002 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56FD JUMP JUMPDEST DUP2 MLOAD DUP3 SWAP1 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 ADD SWAP1 DUP2 LT PUSH2 0x3032 JUMPI INVALID JUMPDEST ADD PUSH1 0x20 ADD MLOAD DUP3 MLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP3 MSTORE POP PUSH32 0x100000000000000000000000000000000000000000000000000000000000000 SWAP1 DUP2 SWAP1 DIV MUL SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x20 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x30CA JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x562D JUMP JUMPDEST POP ADD PUSH1 0x20 ADD MLOAD SWAP1 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH1 0x0 SWAP1 PUSH1 0x60 SWAP1 PUSH32 0x1626BA7E00000000000000000000000000000000000000000000000000000000 SWAP1 PUSH2 0x310E SWAP1 DUP8 SWAP1 DUP7 SWAP1 PUSH1 0x24 ADD PUSH2 0x554E JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 DUP2 DUP5 SUB ADD DUP2 MSTORE SWAP2 SWAP1 MSTORE PUSH1 0x20 DUP1 DUP3 ADD DUP1 MLOAD PUSH28 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 OR DUP4 MSTORE DUP2 MLOAD SWAP2 SWAP4 POP SWAP1 DUP3 SWAP1 DUP2 DUP9 GAS STATICCALL DUP1 DUP1 ISZERO PUSH2 0x31AB JUMPI PUSH1 0x1 DUP2 EQ PUSH2 0x321C JUMPI PUSH2 0x2572 JUMP JUMPDEST PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 PUSH1 0x0 MSTORE PUSH29 0x2000000000000000000000000000000000000000000000000000000000 PUSH1 0x20 MSTORE PUSH29 0xC57414C4C45545F4552524F5200000000000000000000000000000000 PUSH1 0x40 MSTORE PUSH1 0x0 PUSH1 0x60 MSTORE PUSH1 0x64 PUSH1 0x0 REVERT JUMPDEST POP POP MLOAD SWAP6 SWAP5 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x14 DUP3 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x3268 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x578D JUMP JUMPDEST PUSH2 0x3276 DUP3 PUSH1 0x14 DUP5 MLOAD SUB PUSH2 0x3DAB JUMP JUMPDEST DUP3 MLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEC ADD SWAP1 SWAP3 MSTORE POP SWAP1 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH1 0x0 SWAP1 PUSH1 0x60 SWAP1 PUSH32 0x9363470200000000000000000000000000000000000000000000000000000000 SWAP1 PUSH2 0x32DE SWAP1 DUP8 SWAP1 DUP8 SWAP1 DUP8 SWAP1 PUSH1 0x24 ADD PUSH2 0x5521 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 DUP2 DUP5 SUB ADD DUP2 MSTORE SWAP2 SWAP1 MSTORE PUSH1 0x20 DUP1 DUP3 ADD DUP1 MLOAD PUSH28 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 OR DUP4 MSTORE DUP2 MLOAD SWAP2 SWAP4 POP SWAP1 DUP3 SWAP1 DUP2 DUP11 GAS STATICCALL DUP1 DUP1 ISZERO PUSH2 0x337B JUMPI PUSH1 0x1 DUP2 EQ PUSH2 0x33EC JUMPI PUSH2 0x33F1 JUMP JUMPDEST PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 PUSH1 0x0 MSTORE PUSH29 0x2000000000000000000000000000000000000000000000000000000000 PUSH1 0x20 MSTORE PUSH29 0xF56414C494441544F525F4552524F5200000000000000000000000000 PUSH1 0x40 MSTORE PUSH1 0x0 PUSH1 0x60 MSTORE PUSH1 0x64 PUSH1 0x0 REVERT JUMPDEST DUP3 MLOAD SWAP5 POP JUMPDEST POP POP POP POP SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP4 GT PUSH2 0x3438 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x564D JUMP JUMPDEST PUSH2 0x344B PUSH2 0x3445 DUP6 DUP5 PUSH2 0x38AE JUMP JUMPDEST DUP5 PUSH2 0x3E0C JUMP JUMPDEST SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x5A65726F45785472616E73616374696F6E280000000000000000000000000000 PUSH1 0x20 DUP1 DUP4 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH32 0x75696E743235362073616C742C00000000000000000000000000000000000000 PUSH1 0x32 DUP4 ADD MSTORE PUSH32 0x61646472657373207369676E6572416464726573732C00000000000000000000 PUSH1 0x3F DUP4 ADD MSTORE PUSH32 0x6279746573206461746100000000000000000000000000000000000000000000 PUSH1 0x55 DUP4 ADD MSTORE PUSH32 0x2900000000000000000000000000000000000000000000000000000000000000 PUSH1 0x5F DUP4 ADD MSTORE DUP3 MLOAD DUP1 DUP4 SUB DUP5 ADD DUP2 MSTORE PUSH1 0x60 SWAP1 SWAP3 ADD SWAP3 DUP4 SWAP1 MSTORE DUP2 MLOAD PUSH1 0x0 SWAP4 DUP5 SWAP4 DUP5 SWAP4 SWAP1 SWAP3 DUP3 SWAP2 DUP5 ADD SWAP1 DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x357C JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x353F JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 MLOAD SWAP2 SWAP1 SWAP4 ADD DUP2 SWAP1 SUB DUP2 KECCAK256 DUP10 MLOAD SWAP1 SWAP8 POP DUP10 SWAP6 POP SWAP1 SWAP4 POP DUP4 SWAP3 DUP6 ADD SWAP2 POP DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x3612 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x35D5 JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 DUP1 MLOAD SWAP3 SWAP1 SWAP5 ADD DUP3 SWAP1 SUB DUP3 KECCAK256 SWAP8 DUP3 MSTORE DUP2 ADD SWAP11 SWAP1 SWAP11 MSTORE POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP8 SWAP1 SWAP8 AND SWAP7 DUP9 ADD SWAP7 SWAP1 SWAP7 MSTORE POP POP PUSH1 0x60 DUP6 ADD MSTORE POP POP PUSH1 0x80 SWAP1 SWAP2 KECCAK256 SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x2 DUP1 SLOAD PUSH1 0x40 MLOAD PUSH32 0x1901000000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE SWAP2 DUP3 ADD MSTORE PUSH1 0x22 DUP2 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0x42 SWAP1 KECCAK256 SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x2FBE PUSH2 0x1AFD DUP4 PUSH2 0x3E23 JUMP JUMPDEST PUSH1 0x0 DUP2 DUP4 LT PUSH2 0x36EE JUMPI DUP2 PUSH2 0x260A JUMP JUMPDEST POP SWAP1 SWAP2 SWAP1 POP JUMP JUMPDEST PUSH2 0x36FD PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD DUP3 SWAP1 MSTORE PUSH1 0xA0 DUP4 ADD MLOAD PUSH1 0x80 DUP5 ADD MLOAD PUSH2 0x3719 SWAP2 DUP5 SWAP2 PUSH2 0x3909 JUMP JUMPDEST DUP1 DUP3 MSTORE PUSH1 0x80 DUP5 ADD MLOAD PUSH1 0xC0 DUP6 ADD MLOAD PUSH2 0x3731 SWAP3 SWAP2 SWAP1 PUSH2 0x3909 JUMP JUMPDEST PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0xA0 DUP4 ADD MLOAD PUSH1 0xE0 DUP5 ADD MLOAD PUSH2 0x374B SWAP2 DUP5 SWAP2 PUSH2 0x3909 JUMP JUMPDEST PUSH1 0x60 DUP3 ADD MSTORE SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x1 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x1F PUSH1 0x2 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH2 0x100 DUP8 DUP10 AND ISZERO MUL ADD SWAP1 SWAP6 AND SWAP5 SWAP1 SWAP5 DIV SWAP4 DUP5 ADD DUP2 SWAP1 DIV DUP2 MUL DUP3 ADD DUP2 ADD SWAP1 SWAP3 MSTORE DUP3 DUP2 MSTORE PUSH1 0x60 SWAP4 SWAP1 SWAP3 SWAP1 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x37FF JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x37D4 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x37FF JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x37E2 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP SWAP1 POP PUSH2 0x381F DUP5 PUSH2 0x140 ADD MLOAD DUP6 PUSH1 0x0 ADD MLOAD DUP6 DUP6 PUSH1 0x0 ADD MLOAD PUSH2 0x3A23 JUMP JUMPDEST PUSH2 0x3838 DUP5 PUSH2 0x160 ADD MLOAD DUP5 DUP7 PUSH1 0x0 ADD MLOAD DUP6 PUSH1 0x20 ADD MLOAD PUSH2 0x3A23 JUMP JUMPDEST PUSH2 0x3850 DUP2 DUP6 PUSH1 0x0 ADD MLOAD DUP7 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x40 ADD MLOAD PUSH2 0x3A23 JUMP JUMPDEST PUSH2 0x27A3 DUP2 DUP5 DUP7 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x60 ADD MLOAD PUSH2 0x3A23 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 ADD DUP4 DUP2 LT ISZERO PUSH2 0x38A3 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567D JUMP JUMPDEST DUP1 SWAP2 POP JUMPDEST POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP4 ISZERO ISZERO PUSH2 0x38C1 JUMPI PUSH1 0x0 SWAP2 POP PUSH2 0x38A7 JUMP JUMPDEST POP DUP3 DUP3 MUL DUP3 DUP5 DUP3 DUP2 ISZERO ISZERO PUSH2 0x38D1 JUMPI INVALID JUMPDEST DIV EQ PUSH2 0x38A3 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567D JUMP JUMPDEST PUSH1 0x0 DUP1 DUP4 GT PUSH2 0x3944 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x564D JUMP JUMPDEST PUSH2 0x394F DUP5 DUP5 DUP5 PUSH2 0x427C JUMP JUMPDEST ISZERO PUSH2 0x3438 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56AD JUMP JUMPDEST PUSH1 0x0 DUP1 DUP4 GT PUSH2 0x39C1 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x564D JUMP JUMPDEST PUSH2 0x39CC DUP5 DUP5 DUP5 PUSH2 0x4301 JUMP JUMPDEST ISZERO PUSH2 0x3A03 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56AD JUMP JUMPDEST PUSH2 0x344B PUSH2 0x3445 PUSH2 0x3A13 DUP7 DUP6 PUSH2 0x38AE JUMP JUMPDEST PUSH2 0x3A1E DUP7 PUSH1 0x1 PUSH2 0x2F7D JUMP JUMPDEST PUSH2 0x3864 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP4 GT DUP1 ISZERO PUSH2 0x3A62 JUMPI POP DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO JUMPDEST ISZERO PUSH2 0x3BE5 JUMPI DUP6 MLOAD PUSH1 0x3 LT PUSH2 0x3AA2 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x573D JUMP JUMPDEST POP POP PUSH1 0x20 DUP5 DUP2 ADD MLOAD PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0xB SWAP1 SWAP3 MSTORE PUSH1 0x40 SWAP1 SWAP2 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP1 ISZERO ISZERO PUSH2 0x3B2B JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56ED JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH7 0xFFFFFFFFFFFE0 PUSH1 0x3F DUP9 MLOAD ADD AND DUP1 PUSH1 0x84 ADD DUP3 ADD PUSH32 0xA85E59E400000000000000000000000000000000000000000000000000000000 DUP4 MSTORE PUSH1 0x80 PUSH1 0x4 DUP5 ADD MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP9 AND PUSH1 0x24 DUP5 ADD MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND PUSH1 0x44 DUP5 ADD MSTORE DUP6 PUSH1 0x64 DUP5 ADD MSTORE PUSH1 0x84 DUP4 ADD JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x3BC7 JUMPI DUP10 MLOAD DUP2 MSTORE PUSH1 0x20 SWAP10 DUP11 ADD SWAP10 ADD PUSH2 0x3BAF JUMP JUMPDEST PUSH2 0x200 DUP5 DUP6 DUP5 SUB DUP7 PUSH1 0x0 DUP10 GAS CALL DUP1 ISZERO ISZERO PUSH2 0x3BDF JUMPI RETURNDATASIZE DUP6 REVERT JUMPDEST POP POP POP POP POP JUMPDEST POP POP POP POP POP POP JUMP JUMPDEST DUP1 MLOAD PUSH1 0x0 SWAP1 PUSH1 0xFF AND PUSH1 0x3 EQ PUSH2 0x3C2E JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x579D JUMP JUMPDEST PUSH1 0x60 DUP4 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND ISZERO PUSH2 0x3CA1 JUMPI PUSH1 0x60 DUP4 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x3CA1 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x57AD JUMP JUMPDEST PUSH2 0x3CA9 PUSH2 0x25DF JUMP JUMPDEST DUP4 MLOAD SWAP1 SWAP2 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP4 AND SWAP2 AND EQ PUSH2 0x3CFF JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x566D JUMP JUMPDEST POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x5 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE DUP3 DUP2 ADD MLOAD DUP4 MLOAD PUSH2 0x140 DUP6 ADD MLOAD PUSH2 0x160 DUP7 ADD MLOAD SWAP4 MLOAD DUP6 SWAP5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP5 DUP6 AND SWAP5 SWAP4 SWAP1 SWAP4 AND SWAP3 PUSH32 0xDC47B3613D9FE400085F6DBDC99453462279057E6207385042827ED6B1A62CF7 SWAP3 PUSH2 0x3D9F SWAP3 CALLER SWAP3 SWAP1 PUSH2 0x54B7 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG4 POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x14 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x3DED JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x578D JUMP JUMPDEST POP ADD PUSH1 0x14 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP1 DUP3 DUP5 DUP2 ISZERO ISZERO PUSH2 0x3E1A JUMPI INVALID JUMPDEST DIV SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x4F72646572280000000000000000000000000000000000000000000000000000 PUSH1 0x20 DUP1 DUP4 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH32 0x61646472657373206D616B6572416464726573732C0000000000000000000000 PUSH1 0x26 DUP4 ADD MSTORE PUSH32 0x616464726573732074616B6572416464726573732C0000000000000000000000 PUSH1 0x3B DUP4 ADD MSTORE PUSH32 0x6164647265737320666565526563697069656E74416464726573732C00000000 PUSH1 0x50 DUP4 ADD MSTORE PUSH32 0x616464726573732073656E646572416464726573732C00000000000000000000 PUSH1 0x6C DUP4 ADD MSTORE PUSH32 0x75696E74323536206D616B65724173736574416D6F756E742C00000000000000 PUSH1 0x82 DUP4 ADD MSTORE PUSH32 0x75696E743235362074616B65724173736574416D6F756E742C00000000000000 PUSH1 0x9B DUP4 ADD MSTORE PUSH32 0x75696E74323536206D616B65724665652C000000000000000000000000000000 PUSH1 0xB4 DUP4 ADD MSTORE PUSH32 0x75696E743235362074616B65724665652C000000000000000000000000000000 PUSH1 0xC5 DUP4 ADD MSTORE PUSH32 0x75696E743235362065787069726174696F6E54696D655365636F6E64732C0000 PUSH1 0xD6 DUP4 ADD MSTORE PUSH32 0x75696E743235362073616C742C00000000000000000000000000000000000000 PUSH1 0xF4 DUP4 ADD MSTORE PUSH32 0x6279746573206D616B65724173736574446174612C0000000000000000000000 PUSH2 0x101 DUP4 ADD MSTORE PUSH32 0x62797465732074616B6572417373657444617461000000000000000000000000 PUSH2 0x116 DUP4 ADD MSTORE PUSH32 0x2900000000000000000000000000000000000000000000000000000000000000 PUSH2 0x12A DUP4 ADD MSTORE DUP3 MLOAD PUSH2 0x10B DUP2 DUP5 SUB ADD DUP2 MSTORE PUSH2 0x12B SWAP1 SWAP3 ADD SWAP3 DUP4 SWAP1 MSTORE DUP2 MLOAD PUSH1 0x0 SWAP4 DUP5 SWAP4 DUP5 SWAP4 DUP5 SWAP4 SWAP2 SWAP3 SWAP2 DUP3 SWAP2 DUP5 ADD SWAP1 DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x40AB JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x406E JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 MLOAD SWAP2 SWAP1 SWAP4 ADD DUP2 SWAP1 SUB DUP2 KECCAK256 PUSH2 0x140 DUP12 ADD MLOAD DUP1 MLOAD SWAP2 SWAP10 POP SWAP6 POP SWAP1 SWAP4 POP DUP4 SWAP3 DUP6 ADD SWAP2 POP DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x4146 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x4109 JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 MLOAD SWAP2 SWAP1 SWAP4 ADD DUP2 SWAP1 SUB DUP2 KECCAK256 PUSH2 0x160 DUP12 ADD MLOAD DUP1 MLOAD SWAP2 SWAP9 POP SWAP6 POP SWAP1 SWAP4 POP DUP4 SWAP3 DUP6 ADD SWAP2 POP DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x41E1 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x41A4 JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 SWAP1 SWAP4 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP2 AND SWAP3 AND SWAP2 SWAP1 SWAP2 OR SWAP1 MSTORE PUSH1 0x40 MLOAD SWAP3 ADD DUP3 SWAP1 SUB SWAP1 SWAP2 KECCAK256 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 DUP10 ADD DUP1 MLOAD PUSH2 0x140 DUP12 ADD DUP1 MLOAD PUSH2 0x160 SWAP1 SWAP13 ADD DUP1 MLOAD SWAP11 DUP5 MSTORE SWAP9 DUP2 MSTORE SWAP3 DUP9 MSTORE PUSH2 0x1A0 DUP3 KECCAK256 SWAP2 MSTORE SWAP9 SWAP1 MSTORE POP POP POP SWAP2 SWAP1 MSTORE POP SWAP1 SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 DUP5 GT PUSH2 0x42B8 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x564D JUMP JUMPDEST DUP3 ISZERO DUP1 PUSH2 0x42C3 JUMPI POP DUP5 ISZERO JUMPDEST ISZERO PUSH2 0x42D1 JUMPI PUSH1 0x0 SWAP2 POP PUSH2 0xA88 JUMP JUMPDEST DUP4 DUP1 ISZERO ISZERO PUSH2 0x42DB JUMPI INVALID JUMPDEST DUP6 DUP5 MULMOD SWAP1 POP PUSH2 0x42EA DUP6 DUP5 PUSH2 0x38AE JUMP JUMPDEST PUSH2 0x42F6 PUSH2 0x3E8 DUP4 PUSH2 0x38AE JUMP JUMPDEST LT ISZERO SWAP6 SWAP5 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 DUP5 GT PUSH2 0x433D JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x564D JUMP JUMPDEST DUP3 ISZERO DUP1 PUSH2 0x4348 JUMPI POP DUP5 ISZERO JUMPDEST ISZERO PUSH2 0x4356 JUMPI PUSH1 0x0 SWAP2 POP PUSH2 0xA88 JUMP JUMPDEST DUP4 DUP1 ISZERO ISZERO PUSH2 0x4360 JUMPI INVALID JUMPDEST DUP6 DUP5 MULMOD SWAP1 POP DUP4 PUSH2 0x4370 DUP6 DUP4 PUSH2 0x2F7D JUMP JUMPDEST DUP2 ISZERO ISZERO PUSH2 0x4379 JUMPI INVALID JUMPDEST MOD SWAP1 POP PUSH2 0x42EA DUP6 DUP5 PUSH2 0x38AE JUMP JUMPDEST PUSH1 0x80 PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE POP SWAP1 JUMP JUMPDEST PUSH2 0x120 PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 PUSH2 0x43C4 PUSH2 0x4386 JUMP JUMPDEST DUP2 MSTORE PUSH1 0x20 ADD PUSH2 0x43D1 PUSH2 0x4386 JUMP JUMPDEST DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE POP SWAP1 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x60 DUP2 ADD DUP3 MSTORE PUSH1 0x0 DUP1 DUP3 MSTORE PUSH1 0x20 DUP3 ADD DUP2 SWAP1 MSTORE SWAP2 DUP2 ADD SWAP2 SWAP1 SWAP2 MSTORE SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x260A DUP3 CALLDATALOAD PUSH2 0x58B0 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x441B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x442E PUSH2 0x4429 DUP3 PUSH2 0x583F JUMP JUMPDEST PUSH2 0x5818 JUMP JUMPDEST DUP2 DUP2 MSTORE PUSH1 0x20 SWAP4 DUP5 ADD SWAP4 SWAP1 SWAP3 POP DUP3 ADD DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x446C JUMPI DUP2 CALLDATALOAD DUP7 ADD PUSH2 0x4456 DUP9 DUP3 PUSH2 0x45BC JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0x4440 JUMP JUMPDEST POP POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x4487 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x4495 PUSH2 0x4429 DUP3 PUSH2 0x583F JUMP JUMPDEST DUP2 DUP2 MSTORE PUSH1 0x20 SWAP4 DUP5 ADD SWAP4 SWAP1 SWAP3 POP DUP3 ADD DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x446C JUMPI DUP2 CALLDATALOAD DUP7 ADD PUSH2 0x44BD DUP9 DUP3 PUSH2 0x460B JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0x44A7 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x44E4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x44F2 PUSH2 0x4429 DUP3 PUSH2 0x583F JUMP JUMPDEST SWAP2 POP DUP2 DUP2 DUP4 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH1 0x20 DUP2 ADD SWAP1 POP DUP4 DUP6 PUSH1 0x20 DUP5 MUL DUP3 ADD GT ISZERO PUSH2 0x4517 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x446C JUMPI DUP2 PUSH2 0x452D DUP9 DUP3 PUSH2 0x454F JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0x451A JUMP JUMPDEST PUSH1 0x0 PUSH2 0x260A DUP3 CALLDATALOAD PUSH2 0x58C9 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x260A DUP3 CALLDATALOAD PUSH2 0x58CE JUMP JUMPDEST PUSH1 0x0 PUSH2 0x260A DUP3 CALLDATALOAD PUSH2 0x58D1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x260A DUP3 MLOAD PUSH2 0x58D1 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x1F DUP4 ADD DUP5 SGT PUSH2 0x4585 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP DUP2 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x459D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x20 DUP4 ADD SWAP2 POP DUP4 PUSH1 0x1 DUP3 MUL DUP4 ADD GT ISZERO PUSH2 0x45B5 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x45CD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x45DB PUSH2 0x4429 DUP3 PUSH2 0x5860 JUMP JUMPDEST SWAP2 POP DUP1 DUP3 MSTORE PUSH1 0x20 DUP4 ADD PUSH1 0x20 DUP4 ADD DUP6 DUP4 DUP4 ADD GT ISZERO PUSH2 0x45F7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4602 DUP4 DUP3 DUP5 PUSH2 0x5907 JUMP JUMPDEST POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x180 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x461E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4629 PUSH2 0x180 PUSH2 0x5818 JUMP JUMPDEST SWAP1 POP PUSH1 0x0 PUSH2 0x4637 DUP5 DUP5 PUSH2 0x43FE JUMP JUMPDEST DUP3 MSTORE POP PUSH1 0x20 PUSH2 0x4648 DUP5 DUP5 DUP4 ADD PUSH2 0x43FE JUMP JUMPDEST PUSH1 0x20 DUP4 ADD MSTORE POP PUSH1 0x40 PUSH2 0x465C DUP5 DUP3 DUP6 ADD PUSH2 0x43FE JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MSTORE POP PUSH1 0x60 PUSH2 0x4670 DUP5 DUP3 DUP6 ADD PUSH2 0x43FE JUMP JUMPDEST PUSH1 0x60 DUP4 ADD MSTORE POP PUSH1 0x80 PUSH2 0x4684 DUP5 DUP3 DUP6 ADD PUSH2 0x454F JUMP JUMPDEST PUSH1 0x80 DUP4 ADD MSTORE POP PUSH1 0xA0 PUSH2 0x4698 DUP5 DUP3 DUP6 ADD PUSH2 0x454F JUMP JUMPDEST PUSH1 0xA0 DUP4 ADD MSTORE POP PUSH1 0xC0 PUSH2 0x46AC DUP5 DUP3 DUP6 ADD PUSH2 0x454F JUMP JUMPDEST PUSH1 0xC0 DUP4 ADD MSTORE POP PUSH1 0xE0 PUSH2 0x46C0 DUP5 DUP3 DUP6 ADD PUSH2 0x454F JUMP JUMPDEST PUSH1 0xE0 DUP4 ADD MSTORE POP PUSH2 0x100 PUSH2 0x46D5 DUP5 DUP3 DUP6 ADD PUSH2 0x454F JUMP JUMPDEST PUSH2 0x100 DUP4 ADD MSTORE POP PUSH2 0x120 PUSH2 0x46EB DUP5 DUP3 DUP6 ADD PUSH2 0x454F JUMP JUMPDEST PUSH2 0x120 DUP4 ADD MSTORE POP PUSH2 0x140 DUP3 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x470D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4719 DUP5 DUP3 DUP6 ADD PUSH2 0x45BC JUMP JUMPDEST PUSH2 0x140 DUP4 ADD MSTORE POP PUSH2 0x160 DUP3 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x473B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4747 DUP5 DUP3 DUP6 ADD PUSH2 0x45BC JUMP JUMPDEST PUSH2 0x160 DUP4 ADD MSTORE POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x4766 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x344B DUP5 DUP5 PUSH2 0x43FE JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x4785 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x4791 DUP6 DUP6 PUSH2 0x43FE JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 PUSH2 0x47A2 DUP6 DUP3 DUP7 ADD PUSH2 0x43FE JUMP JUMPDEST SWAP2 POP POP SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x47BF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x47CB DUP6 DUP6 PUSH2 0x43FE JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 PUSH2 0x47A2 DUP6 DUP3 DUP7 ADD PUSH2 0x4543 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x47EE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4805 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x344B DUP5 DUP3 DUP6 ADD PUSH2 0x4476 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x60 DUP5 DUP7 SUB SLT ISZERO PUSH2 0x4826 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP4 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x483D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4849 DUP7 DUP3 DUP8 ADD PUSH2 0x4476 JUMP JUMPDEST SWAP4 POP POP PUSH1 0x20 DUP5 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4866 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4872 DUP7 DUP3 DUP8 ADD PUSH2 0x44D3 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x40 DUP5 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x488F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x489B DUP7 DUP3 DUP8 ADD PUSH2 0x440A JUMP JUMPDEST SWAP2 POP POP SWAP3 POP SWAP3 POP SWAP3 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x60 DUP5 DUP7 SUB SLT ISZERO PUSH2 0x48BA JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP4 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x48D1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x48DD DUP7 DUP3 DUP8 ADD PUSH2 0x4476 JUMP JUMPDEST SWAP4 POP POP PUSH1 0x20 PUSH2 0x4872 DUP7 DUP3 DUP8 ADD PUSH2 0x454F JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x4900 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x344B DUP5 DUP5 PUSH2 0x454F JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x491F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x4791 DUP6 DUP6 PUSH2 0x454F JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x60 DUP6 DUP8 SUB SLT ISZERO PUSH2 0x4941 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x494D DUP8 DUP8 PUSH2 0x454F JUMP JUMPDEST SWAP5 POP POP PUSH1 0x20 PUSH2 0x495E DUP8 DUP3 DUP9 ADD PUSH2 0x43FE JUMP JUMPDEST SWAP4 POP POP PUSH1 0x40 DUP6 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x497B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4987 DUP8 DUP3 DUP9 ADD PUSH2 0x4573 JUMP JUMPDEST SWAP6 SWAP9 SWAP5 SWAP8 POP SWAP6 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x60 DUP5 DUP7 SUB SLT ISZERO PUSH2 0x49A8 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x49B4 DUP7 DUP7 PUSH2 0x454F JUMP JUMPDEST SWAP4 POP POP PUSH1 0x20 PUSH2 0x49C5 DUP7 DUP3 DUP8 ADD PUSH2 0x43FE JUMP JUMPDEST SWAP3 POP POP PUSH1 0x40 DUP5 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x49E2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x489B DUP7 DUP3 DUP8 ADD PUSH2 0x45BC JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x4A00 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x344B DUP5 DUP5 PUSH2 0x455B JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x4A1E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x344B DUP5 DUP5 PUSH2 0x4567 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x4A3C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4A53 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x344B DUP5 DUP3 DUP6 ADD PUSH2 0x460B JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x80 DUP6 DUP8 SUB SLT ISZERO PUSH2 0x4A75 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP5 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4A8C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4A98 DUP8 DUP3 DUP9 ADD PUSH2 0x460B JUMP JUMPDEST SWAP5 POP POP PUSH1 0x20 DUP6 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4AB5 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4AC1 DUP8 DUP3 DUP9 ADD PUSH2 0x460B JUMP JUMPDEST SWAP4 POP POP PUSH1 0x40 DUP6 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4ADE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4AEA DUP8 DUP3 DUP9 ADD PUSH2 0x45BC JUMP JUMPDEST SWAP3 POP POP PUSH1 0x60 DUP6 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4B07 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4B13 DUP8 DUP3 DUP9 ADD PUSH2 0x45BC JUMP JUMPDEST SWAP2 POP POP SWAP3 SWAP6 SWAP2 SWAP5 POP SWAP3 POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x60 DUP5 DUP7 SUB SLT ISZERO PUSH2 0x4B34 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP4 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4B4B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4B57 DUP7 DUP3 DUP8 ADD PUSH2 0x460B JUMP JUMPDEST SWAP4 POP POP PUSH1 0x20 PUSH2 0x49C5 DUP7 DUP3 DUP8 ADD PUSH2 0x454F JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x80 DUP8 DUP10 SUB SLT ISZERO PUSH2 0x4B81 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x4B8D DUP10 DUP10 PUSH2 0x454F JUMP JUMPDEST SWAP7 POP POP PUSH1 0x20 PUSH2 0x4B9E DUP10 DUP3 DUP11 ADD PUSH2 0x43FE JUMP JUMPDEST SWAP6 POP POP PUSH1 0x40 DUP8 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4BBB JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4BC7 DUP10 DUP3 DUP11 ADD PUSH2 0x4573 JUMP JUMPDEST SWAP5 POP SWAP5 POP POP PUSH1 0x60 DUP8 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4BE6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4BF2 DUP10 DUP3 DUP11 ADD PUSH2 0x4573 JUMP JUMPDEST SWAP3 POP SWAP3 POP POP SWAP3 SWAP6 POP SWAP3 SWAP6 POP SWAP3 SWAP6 JUMP JUMPDEST PUSH2 0x4C0A DUP2 PUSH2 0x58B0 JUMP JUMPDEST DUP3 MSTORE POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x4C1B DUP3 PUSH2 0x58AC JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH2 0x4C2D DUP4 PUSH2 0x58A6 JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP3 DUP2 LT ISZERO PUSH2 0x4C5D JUMPI PUSH2 0x4C43 DUP7 DUP4 MLOAD PUSH2 0x53E5 JUMP JUMPDEST PUSH2 0x4C4C DUP3 PUSH2 0x58A6 JUMP JUMPDEST PUSH1 0x60 SWAP7 SWAP1 SWAP7 ADD SWAP6 SWAP2 POP PUSH1 0x1 ADD PUSH2 0x4C30 JUMP JUMPDEST POP SWAP4 SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH2 0x4C0A DUP2 PUSH2 0x58C9 JUMP JUMPDEST PUSH2 0x4C0A DUP2 PUSH2 0x58CE JUMP JUMPDEST PUSH2 0x4C0A DUP2 PUSH2 0x58D1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x4C8D DUP3 PUSH2 0x58AC JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH2 0x4CA1 DUP2 PUSH1 0x20 DUP7 ADD PUSH1 0x20 DUP7 ADD PUSH2 0x5913 JUMP JUMPDEST PUSH2 0x4CAA DUP2 PUSH2 0x593F JUMP JUMPDEST SWAP1 SWAP4 ADD PUSH1 0x20 ADD SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH2 0x4C0A DUP2 PUSH2 0x58FC JUMP JUMPDEST PUSH1 0x12 DUP2 MSTORE PUSH32 0x4C454E4754485F36355F52455155495245440000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xD DUP2 MSTORE PUSH32 0x494E56414C49445F54414B455200000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xE DUP2 MSTORE PUSH32 0x4F524445525F4F56455246494C4C000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x11 DUP2 MSTORE PUSH32 0x55494E543235365F554E444552464C4F57000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x1A DUP2 MSTORE PUSH32 0x41535345545F50524F58595F414C52454144595F455849535453000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x26 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F33325F4C454E4754485F5245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5155495245440000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x15 DUP2 MSTORE PUSH32 0x5349474E41545552455F554E535550504F525445440000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x10 DUP2 MSTORE PUSH32 0x4449564953494F4E5F42595F5A45524F00000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x17 DUP2 MSTORE PUSH32 0x494E56414C49445F4F524445525F5349474E4154555245000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xD DUP2 MSTORE PUSH32 0x494E56414C49445F4D414B455200000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x10 DUP2 MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xF DUP2 MSTORE PUSH32 0x494E56414C49445F54585F484153480000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x11 DUP2 MSTORE PUSH32 0x494E56414C49445F5349474E4154555245000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xE DUP2 MSTORE PUSH32 0x524F554E44494E475F4552524F52000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x10 DUP2 MSTORE PUSH32 0x4641494C45445F455845435554494F4E00000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xD DUP2 MSTORE PUSH32 0x54414B45525F4F56455250415900000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x14 DUP2 MSTORE PUSH32 0x494E56414C49445F54414B45525F414D4F554E54000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x1A DUP2 MSTORE PUSH32 0x41535345545F50524F58595F444F45535F4E4F545F4558495354000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x21 DUP2 MSTORE PUSH32 0x475245415445525F5448414E5F5A45524F5F4C454E4754485F52455155495245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x4400000000000000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x11 DUP2 MSTORE PUSH32 0x5349474E41545552455F494C4C4547414C000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x1E DUP2 MSTORE PUSH32 0x4C454E4754485F475245415445525F5448414E5F305F52455155495245440000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x17 DUP2 MSTORE PUSH32 0x494E56414C49445F4E45575F4F524445525F45504F4348000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x1E DUP2 MSTORE PUSH32 0x4C454E4754485F475245415445525F5448414E5F335F52455155495245440000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x14 DUP2 MSTORE PUSH32 0x434F4D504C4554455F46494C4C5F4641494C4544000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x12 DUP2 MSTORE PUSH32 0x494E56414C49445F46494C4C5F50524943450000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x12 DUP2 MSTORE PUSH32 0x5245454E5452414E43595F494C4C4547414C0000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x13 DUP2 MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x26 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F32305F4C454E4754485F5245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5155495245440000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x10 DUP2 MSTORE PUSH32 0x4F524445525F554E46494C4C41424C4500000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xE DUP2 MSTORE PUSH32 0x494E56414C49445F53454E444552000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x18 DUP2 MSTORE PUSH32 0x4E454741544956455F5350524541445F52455155495245440000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x14 DUP2 MSTORE PUSH32 0x494E56414C49445F54585F5349474E4154555245000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x11 DUP2 MSTORE PUSH32 0x4C454E4754485F305F5245515549524544000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST DUP1 MLOAD PUSH1 0x80 DUP4 ADD SWAP1 PUSH2 0x5373 DUP5 DUP3 PUSH2 0x4C70 JUMP JUMPDEST POP PUSH1 0x20 DUP3 ADD MLOAD PUSH2 0x5386 PUSH1 0x20 DUP6 ADD DUP3 PUSH2 0x4C70 JUMP JUMPDEST POP PUSH1 0x40 DUP3 ADD MLOAD PUSH2 0x5399 PUSH1 0x40 DUP6 ADD DUP3 PUSH2 0x4C70 JUMP JUMPDEST POP PUSH1 0x60 DUP3 ADD MLOAD PUSH2 0x27A3 PUSH1 0x60 DUP6 ADD DUP3 PUSH2 0x4C70 JUMP JUMPDEST DUP1 MLOAD PUSH2 0x120 DUP4 ADD SWAP1 PUSH2 0x53BE DUP5 DUP3 PUSH2 0x5362 JUMP JUMPDEST POP PUSH1 0x20 DUP3 ADD MLOAD PUSH2 0x53D1 PUSH1 0x80 DUP6 ADD DUP3 PUSH2 0x5362 JUMP JUMPDEST POP PUSH1 0x40 DUP3 ADD MLOAD PUSH2 0x27A3 PUSH2 0x100 DUP6 ADD DUP3 PUSH2 0x4C70 JUMP JUMPDEST DUP1 MLOAD PUSH1 0x60 DUP4 ADD SWAP1 PUSH2 0x53F6 DUP5 DUP3 PUSH2 0x541C JUMP JUMPDEST POP PUSH1 0x20 DUP3 ADD MLOAD PUSH2 0x5409 PUSH1 0x20 DUP6 ADD DUP3 PUSH2 0x4C70 JUMP JUMPDEST POP PUSH1 0x40 DUP3 ADD MLOAD PUSH2 0x27A3 PUSH1 0x40 DUP6 ADD DUP3 PUSH2 0x4C70 JUMP JUMPDEST PUSH2 0x4C0A DUP2 PUSH2 0x58F6 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x2FBE DUP3 DUP5 PUSH2 0x4C01 JUMP JUMPDEST PUSH2 0x100 DUP2 ADD PUSH2 0x5442 DUP3 DUP12 PUSH2 0x4C01 JUMP JUMPDEST PUSH2 0x544F PUSH1 0x20 DUP4 ADD DUP11 PUSH2 0x4C01 JUMP JUMPDEST PUSH2 0x545C PUSH1 0x40 DUP4 ADD DUP10 PUSH2 0x4C70 JUMP JUMPDEST PUSH2 0x5469 PUSH1 0x60 DUP4 ADD DUP9 PUSH2 0x4C70 JUMP JUMPDEST PUSH2 0x5476 PUSH1 0x80 DUP4 ADD DUP8 PUSH2 0x4C70 JUMP JUMPDEST PUSH2 0x5483 PUSH1 0xA0 DUP4 ADD DUP7 PUSH2 0x4C70 JUMP JUMPDEST DUP2 DUP2 SUB PUSH1 0xC0 DUP4 ADD MSTORE PUSH2 0x5495 DUP2 DUP6 PUSH2 0x4C82 JUMP JUMPDEST SWAP1 POP DUP2 DUP2 SUB PUSH1 0xE0 DUP4 ADD MSTORE PUSH2 0x54A9 DUP2 DUP5 PUSH2 0x4C82 JUMP JUMPDEST SWAP11 SWAP10 POP POP POP POP POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x60 DUP2 ADD PUSH2 0x54C5 DUP3 DUP7 PUSH2 0x4C01 JUMP JUMPDEST DUP2 DUP2 SUB PUSH1 0x20 DUP4 ADD MSTORE PUSH2 0x54D7 DUP2 DUP6 PUSH2 0x4C82 JUMP JUMPDEST SWAP1 POP DUP2 DUP2 SUB PUSH1 0x40 DUP4 ADD MSTORE PUSH2 0x54EB DUP2 DUP5 PUSH2 0x4C82 JUMP JUMPDEST SWAP6 SWAP5 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x260A DUP2 DUP5 PUSH2 0x4C10 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x2FBE DUP3 DUP5 PUSH2 0x4C67 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x2FBE DUP3 DUP5 PUSH2 0x4C70 JUMP JUMPDEST PUSH1 0x60 DUP2 ADD PUSH2 0x552F DUP3 DUP7 PUSH2 0x4C70 JUMP JUMPDEST PUSH2 0x553C PUSH1 0x20 DUP4 ADD DUP6 PUSH2 0x4C01 JUMP JUMPDEST DUP2 DUP2 SUB PUSH1 0x40 DUP4 ADD MSTORE PUSH2 0x54EB DUP2 DUP5 PUSH2 0x4C82 JUMP JUMPDEST PUSH1 0x40 DUP2 ADD PUSH2 0x555C DUP3 DUP6 PUSH2 0x4C70 JUMP JUMPDEST DUP2 DUP2 SUB PUSH1 0x20 DUP4 ADD MSTORE PUSH2 0x344B DUP2 DUP5 PUSH2 0x4C82 JUMP JUMPDEST PUSH1 0x80 DUP2 ADD PUSH2 0x557C DUP3 DUP8 PUSH2 0x4C70 JUMP JUMPDEST PUSH2 0x5589 PUSH1 0x20 DUP4 ADD DUP7 PUSH2 0x541C JUMP JUMPDEST PUSH2 0x5596 PUSH1 0x40 DUP4 ADD DUP6 PUSH2 0x4C70 JUMP JUMPDEST PUSH2 0x54EB PUSH1 0x60 DUP4 ADD DUP5 PUSH2 0x4C70 JUMP JUMPDEST PUSH1 0x40 DUP2 ADD PUSH2 0x55B1 DUP3 DUP6 PUSH2 0x4C79 JUMP JUMPDEST PUSH2 0x260A PUSH1 0x20 DUP4 ADD DUP5 PUSH2 0x4C01 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x260A DUP2 DUP5 PUSH2 0x4C82 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x2FBE DUP3 DUP5 PUSH2 0x4CB7 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4CC0 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4CF0 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4D20 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4D50 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4D80 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4DB0 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4E06 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4E36 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4E66 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4E96 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4EC6 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4EF6 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4F26 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4F56 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4F86 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4FB6 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4FE6 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x5016 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x5046 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x509C JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x50CC JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x50FC JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x512C JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x515C JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x518C JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x51BC JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x51EC JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x521C JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x5272 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x52A2 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x52D2 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x5302 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x5332 JUMP JUMPDEST PUSH1 0x80 DUP2 ADD PUSH2 0x2FBE DUP3 DUP5 PUSH2 0x5362 JUMP JUMPDEST PUSH2 0x120 DUP2 ADD PUSH2 0x2FBE DUP3 DUP5 PUSH2 0x53AC JUMP JUMPDEST PUSH1 0x60 DUP2 ADD PUSH2 0x2FBE DUP3 DUP5 PUSH2 0x53E5 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP2 DUP2 ADD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT DUP3 DUP3 LT OR ISZERO PUSH2 0x5837 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x40 MSTORE SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH8 0xFFFFFFFFFFFFFFFF DUP3 GT ISZERO PUSH2 0x5856 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x20 SWAP1 DUP2 MUL ADD SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH8 0xFFFFFFFFFFFFFFFF DUP3 GT ISZERO PUSH2 0x5877 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x20 PUSH1 0x1F SWAP2 SWAP1 SWAP2 ADD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 AND ADD SWAP1 JUMP JUMPDEST PUSH1 0x20 ADD SWAP1 JUMP JUMPDEST MLOAD SWAP1 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST ISZERO ISZERO SWAP1 JUMP JUMPDEST SWAP1 JUMP JUMPDEST PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND SWAP1 JUMP JUMPDEST PUSH1 0xFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x2FBE DUP3 PUSH2 0x58B0 JUMP JUMPDEST DUP3 DUP2 DUP4 CALLDATACOPY POP PUSH1 0x0 SWAP2 ADD MSTORE JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x592E JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x5916 JUMP JUMPDEST DUP4 DUP2 GT ISZERO PUSH2 0x27A3 JUMPI POP POP PUSH1 0x0 SWAP2 ADD MSTORE JUMP JUMPDEST PUSH1 0x1F ADD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 AND SWAP1 JUMP STOP LOG2 PUSH6 0x627A7A723058 KECCAK256 PUSH22 0xFCAE05644C6AFA57DA58B9541210644237FC1EC14ADF MSIZE 0xf 0xb4 0xa6 EXTCODESIZE 0xa9 0xae 0xc8 DUP8 PUSH13 0x6578706572696D656E74616CF5 STOP CALLDATACOPY ", - "sourceMap": 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"2.0.0/protocol/AssetProxy/ERC20Proxy.sol": { - "id": 14 - }, - "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": { - "id": 15 - }, - "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": { - "id": 16 - }, - "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": { - "id": 17 - }, - "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": { - "id": 18 - }, - "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": { - "id": 19 - }, - "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": { - "id": 20 - }, - "2.0.0/protocol/Exchange/Exchange.sol": { - "id": 21 - }, - "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": { - "id": 22 - }, - "2.0.0/protocol/Exchange/MixinExchangeCore.sol": { - "id": 23 - }, - "2.0.0/protocol/Exchange/MixinMatchOrders.sol": { - "id": 24 - }, - "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": { - "id": 25 - }, - "2.0.0/protocol/Exchange/MixinTransactions.sol": { - "id": 26 - }, - "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": { - "id": 27 - }, - "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": { - "id": 28 - }, - "2.0.0/protocol/Exchange/interfaces/IExchange.sol": { - "id": 29 - }, - "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": { - "id": 30 - }, - "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": { - "id": 31 - }, - "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": { - "id": 32 - }, - "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": { - "id": 33 - }, - "2.0.0/protocol/Exchange/interfaces/IValidator.sol": { - "id": 34 - }, - "2.0.0/protocol/Exchange/interfaces/IWallet.sol": { - "id": 35 - }, - "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": { - "id": 36 - }, - "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": { - "id": 37 - }, - "2.0.0/protocol/Exchange/libs/LibConstants.sol": { - "id": 38 - }, - "2.0.0/protocol/Exchange/libs/LibEIP712.sol": { - "id": 39 - }, - "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": { - "id": 40 - }, - "2.0.0/protocol/Exchange/libs/LibFillResults.sol": { - "id": 41 - }, - "2.0.0/protocol/Exchange/libs/LibMath.sol": { - "id": 42 - }, - "2.0.0/protocol/Exchange/libs/LibOrder.sol": { - "id": 43 - }, - "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": { - "id": 44 - }, - "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": { - "id": 45 - }, - "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": { - "id": 46 - }, - "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": { - "id": 47 - }, - "2.0.0/protocol/Exchange/mixins/MTransactions.sol": { - "id": 48 - }, - "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": { - "id": 49 - }, - "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": { - "id": 50 - }, - "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": { - "id": 51 - }, - "2.0.0/tokens/ERC20Token/ERC20Token.sol": { - "id": 52 - }, - "2.0.0/tokens/ERC20Token/IERC20Token.sol": { - "id": 53 - }, - "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": { - "id": 54 - }, - "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": { - "id": 55 - }, - "2.0.0/tokens/ERC721Token/ERC721Token.sol": { - "id": 56 - }, - "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": { - "id": 57 - }, - "2.0.0/tokens/ERC721Token/IERC721Token.sol": { - "id": 58 - }, - "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": { - "id": 59 - }, - "2.0.0/tokens/EtherToken/IEtherToken.sol": { - "id": 60 - }, - "2.0.0/utils/LibBytes/LibBytes.sol": { - "id": 61 - }, - "2.0.0/utils/Ownable/IOwnable.sol": { - "id": 62 - }, - "2.0.0/utils/Ownable/Ownable.sol": { - "id": 63 - }, - "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": { - "id": 64 - }, - "2.0.0/utils/SafeMath/SafeMath.sol": { - "id": 65 - } - }, - "sourceCodes": { - "2.0.0/extensions/Forwarder/Forwarder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinWeth.sol\";\nimport \"./MixinForwarderCore.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinAssets.sol\";\nimport \"./MixinExchangeWrapper.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Forwarder is\n LibConstants,\n MixinWeth,\n MixinAssets,\n MixinExchangeWrapper,\n MixinForwarderCore\n{\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n LibConstants(\n _exchange,\n _zrxAssetData,\n _wethAssetData\n )\n MixinForwarderCore()\n {}\n}\n", - "2.0.0/extensions/Forwarder/MixinAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MAssets.sol\";\n\n\ncontract MixinAssets is\n Ownable,\n LibConstants,\n MAssets\n{\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256(\"transfer(address,uint256)\"));\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external\n onlyOwner\n {\n transferAssetToSender(assetData, amount);\n }\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n bytes4 proxyId = assetData.readBytes4(0);\n\n if (proxyId == ERC20_DATA_ID) {\n transferERC20Token(assetData, amount);\n } else if (proxyId == ERC721_DATA_ID) {\n transferERC721Token(assetData, amount);\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n }\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n address token = assetData.readAddress(16);\n\n // Transfer tokens.\n // We do a raw call so we can check the success separate\n // from the return data.\n bool success = token.call(abi.encodeWithSelector(\n ERC20_TRANSFER_SELECTOR,\n msg.sender,\n amount\n ));\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n \n // Check return data.\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // value that evaluates to true.\n assembly {\n if returndatasize {\n success := 0\n if eq(returndatasize, 32) {\n // First 64 bytes of memory are reserved scratch space\n returndatacopy(0, 0, 32)\n success := mload(0)\n }\n }\n }\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n }\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n require(\n amount == 1,\n \"INVALID_AMOUNT\"\n );\n // Decode asset data.\n address token = assetData.readAddress(16);\n uint256 tokenId = assetData.readUint256(36);\n\n // Perform transfer.\n IERC721Token(token).transferFrom(\n address(this),\n msg.sender,\n tokenId\n );\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"../../protocol/Exchange/libs/LibAbiEncoder.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinExchangeWrapper is\n LibAbiEncoder,\n LibFillResults,\n LibMath,\n LibConstants,\n MExchangeWrapper\n{\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n address exchange = address(EXCHANGE);\n\n // Call `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := call(\n gas, // forward all gas\n exchange, // call address of Exchange contract\n 0, // transfer 0 wei\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of WETH to sell\n uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of WETH\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount;\n if (makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n\n require(\n makerAssetFilledAmount >= makerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n // Do nothing if zrxBuyAmount == 0\n if (zrxBuyAmount == 0) {\n return totalFillResults;\n }\n\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n uint256 zrxPurchased = 0;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // All of these are ZRX/WETH, so we can drop the respective assetData from calldata.\n orders[i].makerAssetData = zrxAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of ZRX to buy.\n uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased);\n\n // Convert the remaining amount of ZRX to buy into remaining amount\n // of WETH to sell, assuming entire amount can be sold in the current order.\n uint256 remainingWethSellAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees \n remainingZrxBuyAmount\n );\n\n // Attempt to sell the remaining amount of WETH.\n FillResults memory singleFillResult = fillOrderNoThrow(\n orders[i],\n safeAdd(remainingWethSellAmount, 1), // we add 1 wei to the fill amount to make up for rounding errors\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker.\n addFillResults(totalFillResults, singleFillResult);\n zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid);\n\n // Stop execution if the entire amount of ZRX has been bought.\n if (zrxPurchased >= zrxBuyAmount) {\n break;\n }\n }\n\n require(\n zrxPurchased >= zrxBuyAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\nimport \"./mixins/MAssets.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"./interfaces/IForwarderCore.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinForwarderCore is\n LibFillResults,\n LibMath,\n LibConstants,\n MWeth,\n MAssets,\n MExchangeWrapper,\n IForwarderCore\n{\n using LibBytes for bytes;\n\n /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf.\n constructor ()\n public\n {\n address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID);\n require(\n proxyAddress != address(0),\n \"UNREGISTERED_ASSET_PROXY\"\n );\n ETHER_TOKEN.approve(proxyAddress, MAX_UINT);\n ZRX_TOKEN.approve(proxyAddress, MAX_UINT);\n }\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 wethSellAmount;\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // Calculate amount of WETH that won't be spent on ETH fees.\n wethSellAmount = getPartialAmountFloor(\n PERCENTAGE_DENOMINATOR,\n safeAdd(PERCENTAGE_DENOMINATOR, feePercentage),\n msg.value\n );\n // Market sell available WETH.\n // ZRX fees are paid with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // 5% of WETH is reserved for filling feeOrders and paying feeRecipient.\n wethSellAmount = getPartialAmountFloor(\n MAX_WETH_FILL_PERCENTAGE,\n PERCENTAGE_DENOMINATOR,\n msg.value\n );\n // Market sell 95% of WETH.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // If the makerAsset is ZRX, it is not necessary to pay fees out of this\n // contracts's ZRX balance because fees are factored into the price of the order.\n orderFillResults = marketBuyExactZrxWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // Attemp to purchase desired amount of makerAsset.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketBuyExactAmountWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\n\n\ncontract MixinWeth is\n LibMath,\n LibConstants,\n MWeth\n{\n /// @dev Default payabale function, this allows us to withdraw WETH\n function ()\n public\n payable\n {\n require(\n msg.sender == address(ETHER_TOKEN),\n \"DEFAULT_FUNCTION_WETH_CONTRACT_ONLY\"\n );\n }\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal\n {\n require(\n msg.value > 0,\n \"INVALID_MSG_VALUE\"\n );\n ETHER_TOKEN.deposit.value(msg.value)();\n }\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal\n {\n // Ensure feePercentage is less than 5%.\n require(\n feePercentage <= MAX_FEE_PERCENTAGE,\n \"FEE_PERCENTAGE_TOO_LARGE\"\n );\n\n // Ensure that no extra WETH owned by this contract has been sold.\n uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx);\n require(\n wethSold <= msg.value,\n \"OVERSOLD_WETH\"\n );\n\n // Calculate amount of WETH that hasn't been sold.\n uint256 wethRemaining = safeSub(msg.value, wethSold);\n\n // Calculate ETH fee to pay to feeRecipient.\n uint256 ethFee = getPartialAmountFloor(\n feePercentage,\n PERCENTAGE_DENOMINATOR,\n wethSoldExcludingFeeOrders\n );\n\n // Ensure fee is less than amount of WETH remaining.\n require(\n ethFee <= wethRemaining,\n \"INSUFFICIENT_ETH_REMAINING\"\n );\n \n // Do nothing if no WETH remaining\n if (wethRemaining > 0) {\n // Convert remaining WETH to ETH\n ETHER_TOKEN.withdraw(wethRemaining);\n\n // Pay ETH to feeRecipient\n if (ethFee > 0) {\n feeRecipient.transfer(ethFee);\n }\n\n // Refund remaining ETH to msg.sender.\n uint256 ethRefund = safeSub(wethRemaining, ethFee);\n if (ethRefund > 0) {\n msg.sender.transfer(ethRefund);\n }\n }\n }\n}\n", - "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssets {\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external;\n}\n", - "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract IForwarderCore {\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n}\n", - "2.0.0/extensions/Forwarder/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/LibBytes/LibBytes.sol\";\nimport \"../../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../../tokens/EtherToken/IEtherToken.sol\";\nimport \"../../../tokens/ERC20Token/IERC20Token.sol\";\n\n\ncontract LibConstants {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n uint256 constant internal MAX_UINT = 2**256 - 1;\n uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; \n uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5%\n uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95%\n \n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n IEtherToken internal ETHER_TOKEN;\n IERC20Token internal ZRX_TOKEN;\n bytes internal ZRX_ASSET_DATA;\n bytes internal WETH_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n WETH_ASSET_DATA = _wethAssetData;\n\n address etherToken = _wethAssetData.readAddress(16);\n address zrxToken = _zrxAssetData.readAddress(16);\n ETHER_TOKEN = IEtherToken(etherToken);\n ZRX_TOKEN = IERC20Token(zrxToken);\n }\n}\n", - "2.0.0/extensions/Forwarder/mixins/MAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssets.sol\";\n\n\ncontract MAssets is\n IAssets\n{\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n}\n", - "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract MExchangeWrapper {\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n}\n", - "2.0.0/extensions/Forwarder/mixins/MWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract MWeth {\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal;\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal;\n}\n", - "2.0.0/extensions/OrderValidator/OrderValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract OrderValidator {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n struct TraderInfo {\n uint256 makerBalance; // Maker's balance of makerAsset\n uint256 makerAllowance; // Maker's allowance to corresponding AssetProxy\n uint256 takerBalance; // Taker's balance of takerAsset\n uint256 takerAllowance; // Taker's allowance to corresponding AssetProxy\n uint256 makerZrxBalance; // Maker's balance of ZRX\n uint256 makerZrxAllowance; // Maker's allowance of ZRX to ERC20Proxy\n uint256 takerZrxBalance; // Taker's balance of ZRX\n uint256 takerZrxAllowance; // Taker's allowance of ZRX to ERC20Proxy\n }\n\n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n bytes internal ZRX_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (address _exchange, bytes memory _zrxAssetData)\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n }\n\n /// @dev Fetches information for order and maker/taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return OrderInfo and TraderInfo instances for given order.\n function getOrderAndTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo, TraderInfo memory traderInfo)\n {\n orderInfo = EXCHANGE.getOrderInfo(order);\n traderInfo = getTraderInfo(order, takerAddress);\n return (orderInfo, traderInfo);\n }\n\n /// @dev Fetches information for all passed in orders and the makers/takers of each order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Arrays of OrderInfo and TraderInfo instances that correspond to each order.\n function getOrdersAndTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (LibOrder.OrderInfo[] memory ordersInfo, TraderInfo[] memory tradersInfo)\n {\n ordersInfo = EXCHANGE.getOrdersInfo(orders);\n tradersInfo = getTradersInfo(orders, takerAddresses);\n return (ordersInfo, tradersInfo);\n }\n\n /// @dev Fetches balance and allowances for maker and taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return Balances and allowances of maker and taker of order.\n function getTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (TraderInfo memory traderInfo)\n {\n (traderInfo.makerBalance, traderInfo.makerAllowance) = getBalanceAndAllowance(order.makerAddress, order.makerAssetData);\n (traderInfo.takerBalance, traderInfo.takerAllowance) = getBalanceAndAllowance(takerAddress, order.takerAssetData);\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n (traderInfo.makerZrxBalance, traderInfo.makerZrxAllowance) = getBalanceAndAllowance(order.makerAddress, zrxAssetData);\n (traderInfo.takerZrxBalance, traderInfo.takerZrxAllowance) = getBalanceAndAllowance(takerAddress, zrxAssetData);\n return traderInfo;\n }\n\n /// @dev Fetches balances and allowances of maker and taker for each provided order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Array of balances and allowances for maker and taker of each order.\n function getTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (TraderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n TraderInfo[] memory tradersInfo = new TraderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n tradersInfo[i] = getTraderInfo(orders[i], takerAddresses[i]);\n }\n return tradersInfo;\n }\n\n /// @dev Fetches token balances and allowances of an address to given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Encoded data that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balance of asset and allowance set to given proxy of asset.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalanceAndAllowance(address target, bytes memory assetData)\n public\n view\n returns (uint256 balance, uint256 allowance)\n {\n bytes4 assetProxyId = assetData.readBytes4(0);\n address token = assetData.readAddress(16);\n address assetProxy = EXCHANGE.getAssetProxy(assetProxyId);\n\n if (assetProxyId == ERC20_DATA_ID) {\n // Query balance\n balance = IERC20Token(token).balanceOf(target);\n\n // Query allowance\n allowance = IERC20Token(token).allowance(target, assetProxy);\n } else if (assetProxyId == ERC721_DATA_ID) {\n uint256 tokenId = assetData.readUint256(36);\n\n // Query owner of tokenId\n address owner = getERC721TokenOwner(token, tokenId);\n\n // Set balance to 1 if tokenId is owned by target\n balance = target == owner ? 1 : 0;\n\n // Check if ERC721Proxy is approved to spend tokenId\n bool isApproved = IERC721Token(token).isApprovedForAll(target, assetProxy) || IERC721Token(token).getApproved(tokenId) == assetProxy;\n \n // Set alowance to 1 if ERC721Proxy is approved to spend tokenId\n allowance = isApproved ? 1 : 0;\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n return (balance, allowance);\n }\n\n /// @dev Fetches token balances and allowances of an address for each given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Array of encoded byte arrays that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balances and allowances of assets.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalancesAndAllowances(address target, bytes[] memory assetData)\n public\n view\n returns (uint256[] memory, uint256[] memory)\n {\n uint256 length = assetData.length;\n uint256[] memory balances = new uint256[](length);\n uint256[] memory allowances = new uint256[](length);\n for (uint256 i = 0; i != length; i++) {\n (balances[i], allowances[i]) = getBalanceAndAllowance(target, assetData[i]);\n }\n return (balances, allowances);\n }\n\n /// @dev Calls `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token.\n /// @param token Address of ERC721 token.\n /// @param tokenId The identifier for the specific NFT.\n /// @return Owner of tokenId or null address if unowned.\n function getERC721TokenOwner(address token, uint256 tokenId)\n public\n view\n returns (address owner)\n {\n assembly {\n // load free memory pointer\n let cdStart := mload(64)\n\n // bytes4(keccak256(ownerOf(uint256))) = 0x6352211e\n mstore(cdStart, 0x6352211e00000000000000000000000000000000000000000000000000000000)\n mstore(add(cdStart, 4), tokenId)\n\n // staticcall `ownerOf(tokenId)`\n // `ownerOf` will revert if tokenId is not owned\n let success := staticcall(\n gas, // forward all gas\n token, // call token contract\n cdStart, // start of calldata\n 36, // length of input is 36 bytes\n cdStart, // write output over input\n 32 // size of output is 32 bytes\n )\n\n // Success implies that tokenId is owned\n // Copy owner from return data if successful\n if success {\n owner := mload(cdStart)\n } \n }\n\n // Owner initialized to address(0), no need to modify if call is unsuccessful\n return owner;\n }\n}\n", - "2.0.0/multisig/MultiSigWallet.sol": "// solhint-disable\npragma solidity ^0.4.15;\n\n\n/// @title Multisignature wallet - Allows multiple parties to agree on transactions before execution.\n/// @author Stefan George - \ncontract MultiSigWallet {\n\n /*\n * Events\n */\n event Confirmation(address indexed sender, uint indexed transactionId);\n event Revocation(address indexed sender, uint indexed transactionId);\n event Submission(uint indexed transactionId);\n event Execution(uint indexed transactionId);\n event ExecutionFailure(uint indexed transactionId);\n event Deposit(address indexed sender, uint value);\n event OwnerAddition(address indexed owner);\n event OwnerRemoval(address indexed owner);\n event RequirementChange(uint required);\n\n /*\n * Constants\n */\n uint constant public MAX_OWNER_COUNT = 50;\n\n /*\n * Storage\n */\n mapping (uint => Transaction) public transactions;\n mapping (uint => mapping (address => bool)) public confirmations;\n mapping (address => bool) public isOwner;\n address[] public owners;\n uint public required;\n uint public transactionCount;\n\n struct Transaction {\n address destination;\n uint value;\n bytes data;\n bool executed;\n }\n\n /*\n * Modifiers\n */\n modifier onlyWallet() {\n require(msg.sender == address(this));\n _;\n }\n\n modifier ownerDoesNotExist(address owner) {\n require(!isOwner[owner]);\n _;\n }\n\n modifier ownerExists(address owner) {\n require(isOwner[owner]);\n _;\n }\n\n modifier transactionExists(uint transactionId) {\n require(transactions[transactionId].destination != 0);\n _;\n }\n\n modifier confirmed(uint transactionId, address owner) {\n require(confirmations[transactionId][owner]);\n _;\n }\n\n modifier notConfirmed(uint transactionId, address owner) {\n require(!confirmations[transactionId][owner]);\n _;\n }\n\n modifier notExecuted(uint transactionId) {\n require(!transactions[transactionId].executed);\n _;\n }\n\n modifier notNull(address _address) {\n require(_address != 0);\n _;\n }\n\n modifier validRequirement(uint ownerCount, uint _required) {\n require(ownerCount <= MAX_OWNER_COUNT\n && _required <= ownerCount\n && _required != 0\n && ownerCount != 0);\n _;\n }\n\n /// @dev Fallback function allows to deposit ether.\n function()\n payable\n {\n if (msg.value > 0)\n Deposit(msg.sender, msg.value);\n }\n\n /*\n * Public functions\n */\n /// @dev Contract constructor sets initial owners and required number of confirmations.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n function MultiSigWallet(address[] _owners, uint _required)\n public\n validRequirement(_owners.length, _required)\n {\n for (uint i=0; i<_owners.length; i++) {\n require(!isOwner[_owners[i]] && _owners[i] != 0);\n isOwner[_owners[i]] = true;\n }\n owners = _owners;\n required = _required;\n }\n\n /// @dev Allows to add a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of new owner.\n function addOwner(address owner)\n public\n onlyWallet\n ownerDoesNotExist(owner)\n notNull(owner)\n validRequirement(owners.length + 1, required)\n {\n isOwner[owner] = true;\n owners.push(owner);\n OwnerAddition(owner);\n }\n\n /// @dev Allows to remove an owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner.\n function removeOwner(address owner)\n public\n onlyWallet\n ownerExists(owner)\n {\n isOwner[owner] = false;\n for (uint i=0; i owners.length)\n changeRequirement(owners.length);\n OwnerRemoval(owner);\n }\n\n /// @dev Allows to replace an owner with a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner to be replaced.\n /// @param newOwner Address of new owner.\n function replaceOwner(address owner, address newOwner)\n public\n onlyWallet\n ownerExists(owner)\n ownerDoesNotExist(newOwner)\n {\n for (uint i=0; i\n// solhint-disable not-rely-on-time\ncontract MultiSigWalletWithTimeLock is\n MultiSigWallet\n{\n event ConfirmationTimeSet(uint256 indexed transactionId, uint256 confirmationTime);\n event TimeLockChange(uint256 secondsTimeLocked);\n\n uint256 public secondsTimeLocked;\n\n mapping (uint256 => uint256) public confirmationTimes;\n\n modifier notFullyConfirmed(uint256 transactionId) {\n require(\n !isConfirmed(transactionId),\n \"TX_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier fullyConfirmed(uint256 transactionId) {\n require(\n isConfirmed(transactionId),\n \"TX_NOT_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier pastTimeLock(uint256 transactionId) {\n require(\n block.timestamp >= confirmationTimes[transactionId] + secondsTimeLocked,\n \"TIME_LOCK_INCOMPLETE\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations, and time lock.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] _owners,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWallet(_owners, _required)\n {\n secondsTimeLocked = _secondsTimeLocked;\n }\n\n /// @dev Changes the duration of the time lock for transactions.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n function changeTimeLock(uint256 _secondsTimeLocked)\n public\n onlyWallet\n {\n secondsTimeLocked = _secondsTimeLocked;\n emit TimeLockChange(_secondsTimeLocked);\n }\n\n /// @dev Allows an owner to confirm a transaction.\n /// @param transactionId Transaction ID.\n function confirmTransaction(uint256 transactionId)\n public\n ownerExists(msg.sender)\n transactionExists(transactionId)\n notConfirmed(transactionId, msg.sender)\n notFullyConfirmed(transactionId)\n {\n confirmations[transactionId][msg.sender] = true;\n emit Confirmation(msg.sender, transactionId);\n if (isConfirmed(transactionId)) {\n setConfirmationTime(transactionId, block.timestamp);\n }\n }\n\n /// @dev Allows anyone to execute a confirmed transaction.\n /// @param transactionId Transaction ID.\n function executeTransaction(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n pastTimeLock(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n\n /// @dev Sets the time of when a submission first passed.\n function setConfirmationTime(uint256 transactionId, uint256 confirmationTime)\n internal\n {\n confirmationTimes[transactionId] = confirmationTime;\n emit ConfirmationTimeSet(transactionId, confirmationTime);\n }\n}\n", - "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC20Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n \n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 1 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n\n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. amount |\n\n /////// Read token address from calldata ///////\n // * The token address is stored in `assetData`.\n //\n // * The \"offset to assetData\" is stored at offset 4 in the calldata (table 1).\n // [assetDataOffsetFromParams = calldataload(4)]\n //\n // * Notes that the \"offset to assetData\" is relative to the \"Params\" area of calldata;\n // add 4 bytes to account for the length of the \"Header\" area (table 1).\n // [assetDataOffsetFromHeader = assetDataOffsetFromParams + 4]\n //\n // * The \"token address\" is offset 32+4=36 bytes into \"assetData\" (tables 1 & 2).\n // [tokenOffset = assetDataOffsetFromHeader + 36 = calldataload(4) + 4 + 36]\n let token := calldataload(add(calldataload(4), 40))\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from`, `to` and `amount` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 96)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output over input\n 32 // output size should be 32 bytes\n )\n\n /////// Check return data. ///////\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // nonzero 32 bytes value.\n // So the transfer succeeded if the call succeeded and either\n // returned nothing, or returned a non-zero 32 byte value. \n success := and(success, or(\n iszero(returndatasize),\n and(\n eq(returndatasize, 32),\n gt(mload(0), 0)\n )\n ))\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", - "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC721Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 2 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n // | | 36 | | 2. tokenId |\n \n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. tokenId |\n\n // There exists only 1 of each token.\n // require(amount == 1, \"INVALID_AMOUNT\")\n if sub(calldataload(100), 1) {\n // Revert with `Error(\"INVALID_AMOUNT\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from` and `to` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 64)\n\n // Copy `tokenId` field from our own calldata to the new calldata.\n let assetDataOffset := calldataload(4)\n calldatacopy(68, add(assetDataOffset, 72), 32)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let token := calldataload(add(assetDataOffset, 40))\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output to null\n 0 // output size is 0 bytes\n )\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", - "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAuthorizable.sol\";\n\n\ncontract MixinAuthorizable is\n Ownable,\n MAuthorizable\n{\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized {\n require(\n authorized[msg.sender],\n \"SENDER_NOT_AUTHORIZED\"\n );\n _;\n }\n\n mapping (address => bool) public authorized;\n address[] public authorities;\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n !authorized[target],\n \"TARGET_ALREADY_AUTHORIZED\"\n );\n\n authorized[target] = true;\n authorities.push(target);\n emit AuthorizedAddressAdded(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n\n delete authorized[target];\n for (uint256 i = 0; i < authorities.length; i++) {\n if (authorities[i] == target) {\n authorities[i] = authorities[authorities.length - 1];\n authorities.length -= 1;\n break;\n }\n }\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n require(\n index < authorities.length,\n \"INDEX_OUT_OF_BOUNDS\"\n );\n require(\n authorities[index] == target,\n \"AUTHORIZED_ADDRESS_MISMATCH\"\n );\n\n delete authorized[target];\n authorities[index] = authorities[authorities.length - 1];\n authorities.length -= 1;\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory)\n {\n return authorities;\n }\n}\n", - "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IAuthorizable.sol\";\n\n\ncontract IAssetProxy is\n IAuthorizable\n{\n /// @dev Transfers assets. Either succeeds or throws.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n function transferFrom(\n bytes assetData,\n address from,\n address to,\n uint256 amount\n )\n external;\n \n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4);\n}\n", - "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/Ownable/IOwnable.sol\";\n\n\ncontract IAuthorizable is\n IOwnable\n{\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external;\n \n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory);\n}\n", - "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAuthorizable.sol\";\n\n\ncontract MAuthorizable is\n IAuthorizable\n{\n // Event logged when a new address is authorized.\n event AuthorizedAddressAdded(\n address indexed target,\n address indexed caller\n );\n\n // Event logged when a currently authorized address is unauthorized.\n event AuthorizedAddressRemoved(\n address indexed target,\n address indexed caller\n );\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized { revert(); _; }\n}\n", - "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../multisig/MultiSigWalletWithTimeLock.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract AssetProxyOwner is\n MultiSigWalletWithTimeLock\n{\n using LibBytes for bytes;\n\n event AssetProxyRegistration(address assetProxyContract, bool isRegistered);\n\n // Mapping of AssetProxy contract address =>\n // if this contract is allowed to call the AssetProxy's `removeAuthorizedAddressAtIndex` method without a time lock.\n mapping (address => bool) public isAssetProxyRegistered;\n\n bytes4 constant internal REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR = bytes4(keccak256(\"removeAuthorizedAddressAtIndex(address,uint256)\"));\n\n /// @dev Function will revert if the transaction does not call `removeAuthorizedAddressAtIndex`\n /// on an approved AssetProxy contract.\n modifier validRemoveAuthorizedAddressAtIndexTx(uint256 transactionId) {\n Transaction storage txn = transactions[transactionId];\n require(\n isAssetProxyRegistered[txn.destination],\n \"UNREGISTERED_ASSET_PROXY\"\n );\n require(\n txn.data.readBytes4(0) == REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR,\n \"INVALID_FUNCTION_SELECTOR\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations,\n /// time lock, and list of AssetProxy addresses.\n /// @param _owners List of initial owners.\n /// @param _assetProxyContracts Array of AssetProxy contract addresses.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] memory _owners,\n address[] memory _assetProxyContracts,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWalletWithTimeLock(_owners, _required, _secondsTimeLocked)\n {\n for (uint256 i = 0; i < _assetProxyContracts.length; i++) {\n address assetProxy = _assetProxyContracts[i];\n require(\n assetProxy != address(0),\n \"INVALID_ASSET_PROXY\"\n );\n isAssetProxyRegistered[assetProxy] = true;\n }\n }\n\n /// @dev Registers or deregisters an AssetProxy to be able to execute\n /// `removeAuthorizedAddressAtIndex` without a timelock.\n /// @param assetProxyContract Address of AssetProxy contract.\n /// @param isRegistered Status of approval for AssetProxy contract.\n function registerAssetProxy(address assetProxyContract, bool isRegistered)\n public\n onlyWallet\n notNull(assetProxyContract)\n {\n isAssetProxyRegistered[assetProxyContract] = isRegistered;\n emit AssetProxyRegistration(assetProxyContract, isRegistered);\n }\n\n /// @dev Allows execution of `removeAuthorizedAddressAtIndex` without time lock.\n /// @param transactionId Transaction ID.\n function executeRemoveAuthorizedAddressAtIndex(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n validRemoveAuthorizedAddressAtIndexTx(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n}\n", - "2.0.0/protocol/Exchange/Exchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinExchangeCore.sol\";\nimport \"./MixinSignatureValidator.sol\";\nimport \"./MixinWrapperFunctions.sol\";\nimport \"./MixinAssetProxyDispatcher.sol\";\nimport \"./MixinTransactions.sol\";\nimport \"./MixinMatchOrders.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Exchange is\n MixinExchangeCore,\n MixinMatchOrders,\n MixinSignatureValidator,\n MixinTransactions,\n MixinAssetProxyDispatcher,\n MixinWrapperFunctions\n{\n string constant public VERSION = \"2.0.1-alpha\";\n\n // Mixins are instantiated in the order they are inherited\n constructor (bytes memory _zrxAssetData)\n public\n LibConstants(_zrxAssetData) // @TODO: Remove when we deploy.\n MixinExchangeCore()\n MixinMatchOrders()\n MixinSignatureValidator()\n MixinTransactions()\n MixinAssetProxyDispatcher()\n MixinWrapperFunctions()\n {}\n}\n", - "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\nimport \"../AssetProxy/interfaces/IAssetProxy.sol\";\n\n\ncontract MixinAssetProxyDispatcher is\n Ownable,\n MAssetProxyDispatcher\n{\n // Mapping from Asset Proxy Id's to their respective Asset Proxy\n mapping (bytes4 => IAssetProxy) public assetProxies;\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external\n onlyOwner\n {\n IAssetProxy assetProxyContract = IAssetProxy(assetProxy);\n\n // Ensure that no asset proxy exists with current id.\n bytes4 assetProxyId = assetProxyContract.getProxyId();\n address currentAssetProxy = assetProxies[assetProxyId];\n require(\n currentAssetProxy == address(0),\n \"ASSET_PROXY_ALREADY_EXISTS\"\n );\n\n // Add asset proxy and log registration.\n assetProxies[assetProxyId] = assetProxyContract;\n emit AssetProxyRegistered(\n assetProxyId,\n assetProxy\n );\n }\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address)\n {\n return assetProxies[assetProxyId];\n }\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal\n {\n // Do nothing if no amount should be transferred.\n if (amount > 0 && from != to) {\n // Ensure assetData length is valid\n require(\n assetData.length > 3,\n \"LENGTH_GREATER_THAN_3_REQUIRED\"\n );\n \n // Lookup assetProxy. We do not use `LibBytes.readBytes4` for gas efficiency reasons.\n bytes4 assetProxyId;\n assembly {\n assetProxyId := and(mload(\n add(assetData, 32)),\n 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000\n )\n }\n address assetProxy = assetProxies[assetProxyId];\n\n // Ensure that assetProxy exists\n require(\n assetProxy != address(0),\n \"ASSET_PROXY_DOES_NOT_EXIST\"\n );\n \n // We construct calldata for the `assetProxy.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n\n assembly {\n /////// Setup State ///////\n // `cdStart` is the start of the calldata for `assetProxy.transferFrom` (equal to free memory ptr).\n let cdStart := mload(64)\n // `dataAreaLength` is the total number of words needed to store `assetData`\n // As-per the ABI spec, this value is padded up to the nearest multiple of 32,\n // and includes 32-bytes for length.\n let dataAreaLength := and(add(mload(assetData), 63), 0xFFFFFFFFFFFE0)\n // `cdEnd` is the end of the calldata for `assetProxy.transferFrom`.\n let cdEnd := add(cdStart, add(132, dataAreaLength))\n\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFromSelector`.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes.\n // Notes:\n // 1. The offset to `assetData` is the length of the Params Area (128 bytes).\n // 2. A 20-byte mask is applied to addresses to zero-out the unused bytes.\n mstore(add(cdStart, 4), 128)\n mstore(add(cdStart, 36), and(from, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 68), and(to, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 100), amount)\n \n /////// Setup Data Area ///////\n // This area holds `assetData`.\n let dataArea := add(cdStart, 132)\n // solhint-disable-next-line no-empty-blocks\n for {} lt(dataArea, cdEnd) {} {\n mstore(dataArea, mload(assetData))\n dataArea := add(dataArea, 32)\n assetData := add(assetData, 32)\n }\n\n /////// Call `assetProxy.transferFrom` using the constructed calldata ///////\n let success := call(\n gas, // forward all gas\n assetProxy, // call address of asset proxy\n 0, // don't send any ETH\n cdStart, // pointer to start of input\n sub(cdEnd, cdStart), // length of input \n cdStart, // write output over input\n 512 // reserve 512 bytes for output\n )\n if iszero(success) {\n revert(cdStart, returndatasize())\n }\n }\n }\n }\n}\n", - "2.0.0/protocol/Exchange/MixinExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinExchangeCore is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n LibOrder,\n LibFillResults,\n MAssetProxyDispatcher,\n MExchangeCore,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of orderHash => amount of takerAsset already bought by maker\n mapping (bytes32 => uint256) public filled;\n\n // Mapping of orderHash => cancelled\n mapping (bytes32 => bool) public cancelled;\n\n // Mapping of makerAddress => senderAddress => lowest salt an order can have in order to be fillable\n // Orders with specified senderAddress and with a salt less than their epoch are considered cancelled\n mapping (address => mapping (address => uint256)) public orderEpoch;\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external\n nonReentrant\n {\n address makerAddress = getCurrentContextAddress();\n // If this function is called via `executeTransaction`, we only update the orderEpoch for the makerAddress/msg.sender combination.\n // This allows external filter contracts to add rules to how orders are cancelled via this function.\n address senderAddress = makerAddress == msg.sender ? address(0) : msg.sender;\n\n // orderEpoch is initialized to 0, so to cancelUpTo we need salt + 1\n uint256 newOrderEpoch = targetOrderEpoch + 1; \n uint256 oldOrderEpoch = orderEpoch[makerAddress][senderAddress];\n\n // Ensure orderEpoch is monotonically increasing\n require(\n newOrderEpoch > oldOrderEpoch, \n \"INVALID_NEW_ORDER_EPOCH\"\n );\n\n // Update orderEpoch\n orderEpoch[makerAddress][senderAddress] = newOrderEpoch;\n emit CancelUpTo(\n makerAddress,\n senderAddress,\n newOrderEpoch\n );\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrder(Order memory order)\n public\n nonReentrant\n {\n cancelOrderInternal(order);\n }\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(Order memory order)\n public\n view\n returns (OrderInfo memory orderInfo)\n {\n // Compute the order hash\n orderInfo.orderHash = getOrderHash(order);\n\n // Fetch filled amount\n orderInfo.orderTakerAssetFilledAmount = filled[orderInfo.orderHash];\n\n // If order.makerAssetAmount is zero, we also reject the order.\n // While the Exchange contract handles them correctly, they create\n // edge cases in the supporting infrastructure because they have\n // an 'infinite' price when computed by a simple division.\n if (order.makerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_MAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // If order.takerAssetAmount is zero, then the order will always\n // be considered filled because 0 == takerAssetAmount == orderTakerAssetFilledAmount\n // Instead of distinguishing between unfilled and filled zero taker\n // amount orders, we choose not to support them.\n if (order.takerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_TAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // Validate order availability\n if (orderInfo.orderTakerAssetFilledAmount >= order.takerAssetAmount) {\n orderInfo.orderStatus = uint8(OrderStatus.FULLY_FILLED);\n return orderInfo;\n }\n\n // Validate order expiration\n // solhint-disable-next-line not-rely-on-time\n if (block.timestamp >= order.expirationTimeSeconds) {\n orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);\n return orderInfo;\n }\n\n // Check if order has been cancelled\n if (cancelled[orderInfo.orderHash]) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n if (orderEpoch[order.makerAddress][order.senderAddress] > order.salt) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n\n // All other statuses are ruled out: order is Fillable\n orderInfo.orderStatus = uint8(OrderStatus.FILLABLE);\n return orderInfo;\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // Fetch order info\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Assert that the order is fillable by taker\n assertFillableOrder(\n order,\n orderInfo,\n takerAddress,\n signature\n );\n \n // Get amount of takerAsset to fill\n uint256 remainingTakerAssetAmount = safeSub(order.takerAssetAmount, orderInfo.orderTakerAssetFilledAmount);\n uint256 takerAssetFilledAmount = min256(takerAssetFillAmount, remainingTakerAssetAmount);\n\n // Validate context\n assertValidFill(\n order,\n orderInfo,\n takerAssetFillAmount,\n takerAssetFilledAmount,\n fillResults.makerAssetFilledAmount\n );\n\n // Compute proportional fill amounts\n fillResults = calculateFillResults(order, takerAssetFilledAmount);\n\n // Update exchange internal state\n updateFilledState(\n order,\n takerAddress,\n orderInfo.orderHash,\n orderInfo.orderTakerAssetFilledAmount,\n fillResults\n );\n \n // Settle order\n settleOrder(\n order,\n takerAddress,\n fillResults\n );\n\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrderInternal(Order memory order)\n internal\n {\n // Fetch current order status\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Validate context\n assertValidCancel(order, orderInfo);\n\n // Perform cancel\n updateCancelledState(order, orderInfo.orderHash);\n }\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n function updateFilledState(\n Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n FillResults memory fillResults\n )\n internal\n {\n // Update state\n filled[orderHash] = safeAdd(orderTakerAssetFilledAmount, fillResults.takerAssetFilledAmount);\n\n // Log order\n emit Fill(\n order.makerAddress,\n order.feeRecipientAddress,\n takerAddress,\n msg.sender,\n fillResults.makerAssetFilledAmount,\n fillResults.takerAssetFilledAmount,\n fillResults.makerFeePaid,\n fillResults.takerFeePaid,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n Order memory order,\n bytes32 orderHash\n )\n internal\n {\n // Perform cancel\n cancelled[orderHash] = true;\n\n // Log cancel\n emit Cancel(\n order.makerAddress,\n order.feeRecipientAddress,\n msg.sender,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n Order memory order,\n OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view\n {\n // An order can only be filled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n \n // Validate sender is allowed to fill this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n \n // Validate taker is allowed to fill this order\n if (order.takerAddress != address(0)) {\n require(\n order.takerAddress == takerAddress,\n \"INVALID_TAKER\"\n );\n }\n \n // Validate Maker signature (check only if first time seen)\n if (orderInfo.orderTakerAssetFilledAmount == 0) {\n require(\n isValidSignature(\n orderInfo.orderHash,\n order.makerAddress,\n signature\n ),\n \"INVALID_ORDER_SIGNATURE\"\n );\n }\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n Order memory order,\n OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount, // TODO: use FillResults\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view\n {\n // Revert if fill amount is invalid\n // TODO: reconsider necessity for v2.1\n require(\n takerAssetFillAmount != 0,\n \"INVALID_TAKER_AMOUNT\"\n );\n \n // Make sure taker does not pay more than desired amount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n takerAssetFilledAmount <= takerAssetFillAmount,\n \"TAKER_OVERPAY\"\n );\n \n // Make sure order is not overfilled\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeAdd(orderInfo.orderTakerAssetFilledAmount, takerAssetFilledAmount) <= order.takerAssetAmount,\n \"ORDER_OVERFILL\"\n );\n \n // Make sure order is filled at acceptable price.\n // The order has an implied price from the makers perspective:\n // order price = order.makerAssetAmount / order.takerAssetAmount\n // i.e. the number of makerAsset maker is paying per takerAsset. The\n // maker is guaranteed to get this price or a better (lower) one. The\n // actual price maker is getting in this fill is:\n // fill price = makerAssetFilledAmount / takerAssetFilledAmount\n // We need `fill price <= order price` for the fill to be fair to maker.\n // This amounts to:\n // makerAssetFilledAmount order.makerAssetAmount\n // ------------------------ <= -----------------------\n // takerAssetFilledAmount order.takerAssetAmount\n // or, equivalently:\n // makerAssetFilledAmount * order.takerAssetAmount <=\n // order.makerAssetAmount * takerAssetFilledAmount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeMul(makerAssetFilledAmount, order.takerAssetAmount)\n <= \n safeMul(order.makerAssetAmount, takerAssetFilledAmount),\n \"INVALID_FILL_PRICE\"\n );\n }\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n Order memory order,\n OrderInfo memory orderInfo\n )\n internal\n view\n {\n // Ensure order is valid\n // An order can only be cancelled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Validate sender is allowed to cancel this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate transaction signed by maker\n address makerAddress = getCurrentContextAddress();\n require(\n order.makerAddress == makerAddress,\n \"INVALID_MAKER\"\n );\n }\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (FillResults memory fillResults)\n {\n // Compute proportional transfer amounts\n fillResults.takerAssetFilledAmount = takerAssetFilledAmount;\n fillResults.makerAssetFilledAmount = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n );\n fillResults.makerFeePaid = safeGetPartialAmountFloor(\n fillResults.makerAssetFilledAmount,\n order.makerAssetAmount,\n order.makerFee\n );\n fillResults.takerFeePaid = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.takerFee\n );\n\n return fillResults;\n }\n\n /// @dev Settles an order by transferring assets between counterparties.\n /// @param order Order struct containing order specifications.\n /// @param takerAddress Address selling takerAsset and buying makerAsset.\n /// @param fillResults Amounts to be filled and fees paid by maker and taker.\n function settleOrder(\n LibOrder.Order memory order,\n address takerAddress,\n LibFillResults.FillResults memory fillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n dispatchTransferFrom(\n order.makerAssetData,\n order.makerAddress,\n takerAddress,\n fillResults.makerAssetFilledAmount\n );\n dispatchTransferFrom(\n order.takerAssetData,\n takerAddress,\n order.makerAddress,\n fillResults.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n zrxAssetData,\n order.makerAddress,\n order.feeRecipientAddress,\n fillResults.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n order.feeRecipientAddress,\n fillResults.takerFeePaid\n );\n }\n}\n", - "2.0.0/protocol/Exchange/MixinMatchOrders.sol": "/*\n Copyright 2018 ZeroEx Intl.\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n http://www.apache.org/licenses/LICENSE-2.0\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MMatchOrders.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinMatchOrders is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n MAssetProxyDispatcher,\n MExchangeCore,\n MMatchOrders,\n MTransactions\n{\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n nonReentrant\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We assume that rightOrder.takerAssetData == leftOrder.makerAssetData and rightOrder.makerAssetData == leftOrder.takerAssetData.\n // If this assumption isn't true, the match will fail at signature validation.\n rightOrder.makerAssetData = leftOrder.takerAssetData;\n rightOrder.takerAssetData = leftOrder.makerAssetData;\n\n // Get left & right order info\n LibOrder.OrderInfo memory leftOrderInfo = getOrderInfo(leftOrder);\n LibOrder.OrderInfo memory rightOrderInfo = getOrderInfo(rightOrder);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Either our context is valid or we revert\n assertFillableOrder(\n leftOrder,\n leftOrderInfo,\n takerAddress,\n leftSignature\n );\n assertFillableOrder(\n rightOrder,\n rightOrderInfo,\n takerAddress,\n rightSignature\n );\n assertValidMatch(leftOrder, rightOrder);\n\n // Compute proportional fill amounts\n matchedFillResults = calculateMatchedFillResults(\n leftOrder,\n rightOrder,\n leftOrderInfo.orderTakerAssetFilledAmount,\n rightOrderInfo.orderTakerAssetFilledAmount\n );\n\n // Validate fill contexts\n assertValidFill(\n leftOrder,\n leftOrderInfo,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.makerAssetFilledAmount\n );\n assertValidFill(\n rightOrder,\n rightOrderInfo,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n \n // Update exchange state\n updateFilledState(\n leftOrder,\n takerAddress,\n leftOrderInfo.orderHash,\n leftOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.left\n );\n updateFilledState(\n rightOrder,\n takerAddress,\n rightOrderInfo.orderHash,\n rightOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.right\n );\n\n // Settle matched orders. Succeeds or throws.\n settleMatchedOrders(\n leftOrder,\n rightOrder,\n takerAddress,\n matchedFillResults\n );\n\n return matchedFillResults;\n }\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure\n {\n // Make sure there is a profitable spread.\n // There is a profitable spread iff the cost per unit bought (OrderA.MakerAmount/OrderA.TakerAmount) for each order is greater\n // than the profit per unit sold of the matched order (OrderB.TakerAmount/OrderB.MakerAmount).\n // This is satisfied by the equations below:\n // / >= / \n // AND\n // / >= / \n // These equations can be combined to get the following:\n require(\n safeMul(leftOrder.makerAssetAmount, rightOrder.makerAssetAmount) >=\n safeMul(leftOrder.takerAssetAmount, rightOrder.takerAssetAmount),\n \"NEGATIVE_SPREAD_REQUIRED\"\n );\n }\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // Derive maker asset amounts for left & right orders, given store taker assert amounts\n uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);\n uint256 leftMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n leftTakerAssetAmountRemaining\n );\n uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);\n uint256 rightMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n rightOrder.makerAssetAmount,\n rightOrder.takerAssetAmount,\n rightTakerAssetAmountRemaining\n );\n\n // Calculate fill results for maker and taker assets: at least one order will be fully filled.\n // The maximum amount the left maker can buy is `leftTakerAssetAmountRemaining`\n // The maximum amount the right maker can sell is `rightMakerAssetAmountRemaining`\n // We have two distinct cases for calculating the fill results:\n // Case 1.\n // If the left maker can buy more than the right maker can sell, then only the right order is fully filled.\n // If the left maker can buy exactly what the right maker can sell, then both orders are fully filled.\n // Case 2.\n // If the left maker cannot buy more than the right maker can sell, then only the left order is fully filled.\n if (leftTakerAssetAmountRemaining >= rightMakerAssetAmountRemaining) {\n // Case 1: Right order is fully filled\n matchedFillResults.right.makerAssetFilledAmount = rightMakerAssetAmountRemaining;\n matchedFillResults.right.takerAssetFilledAmount = rightTakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = matchedFillResults.right.makerAssetFilledAmount;\n // Round down to ensure the maker's exchange rate does not exceed the price specified by the order. \n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.left.makerAssetFilledAmount = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n matchedFillResults.left.takerAssetFilledAmount\n );\n } else {\n // Case 2: Left order is fully filled\n matchedFillResults.left.makerAssetFilledAmount = leftMakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = leftTakerAssetAmountRemaining;\n matchedFillResults.right.makerAssetFilledAmount = matchedFillResults.left.takerAssetFilledAmount;\n // Round up to ensure the maker's exchange rate does not exceed the price specified by the order.\n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.right.takerAssetFilledAmount = safeGetPartialAmountCeil(\n rightOrder.takerAssetAmount,\n rightOrder.makerAssetAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n }\n\n // Calculate amount given to taker\n matchedFillResults.leftMakerAssetSpreadAmount = safeSub(\n matchedFillResults.left.makerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount\n );\n\n // Compute fees for left order\n matchedFillResults.left.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.makerAssetFilledAmount,\n leftOrder.makerAssetAmount,\n leftOrder.makerFee\n );\n matchedFillResults.left.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.takerAssetFilledAmount,\n leftOrder.takerAssetAmount,\n leftOrder.takerFee\n );\n\n // Compute fees for right order\n matchedFillResults.right.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.makerAssetFilledAmount,\n rightOrder.makerAssetAmount,\n rightOrder.makerFee\n );\n matchedFillResults.right.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.takerAssetFilledAmount,\n rightOrder.takerAssetAmount,\n rightOrder.takerFee\n );\n\n // Return fill results\n return matchedFillResults;\n }\n\n /// @dev Settles matched order by transferring appropriate funds between order makers, taker, and fee recipient.\n /// @param leftOrder First matched order.\n /// @param rightOrder Second matched order.\n /// @param takerAddress Address that matched the orders. The taker receives the spread between orders as profit.\n /// @param matchedFillResults Struct holding amounts to transfer between makers, taker, and fee recipients.\n function settleMatchedOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n address takerAddress,\n LibFillResults.MatchedFillResults memory matchedFillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n // Order makers and taker\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n rightOrder.makerAddress,\n matchedFillResults.right.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n rightOrder.makerAssetData,\n rightOrder.makerAddress,\n leftOrder.makerAddress,\n matchedFillResults.left.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n takerAddress,\n matchedFillResults.leftMakerAssetSpreadAmount\n );\n\n // Maker fees\n dispatchTransferFrom(\n zrxAssetData,\n leftOrder.makerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n rightOrder.makerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.makerFeePaid\n );\n\n // Taker fees\n if (leftOrder.feeRecipientAddress == rightOrder.feeRecipientAddress) {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n safeAdd(\n matchedFillResults.left.takerFeePaid,\n matchedFillResults.right.takerFeePaid\n )\n );\n } else {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.takerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.takerFeePaid\n );\n }\n }\n}\n", - "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./interfaces/IWallet.sol\";\nimport \"./interfaces/IValidator.sol\";\n\n\ncontract MixinSignatureValidator is\n ReentrancyGuard,\n MSignatureValidator,\n MTransactions\n{\n using LibBytes for bytes;\n \n // Mapping of hash => signer => signed\n mapping (bytes32 => mapping (address => bool)) public preSigned;\n\n // Mapping of signer => validator => approved\n mapping (address => mapping (address => bool)) public allowedValidators;\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n {\n if (signerAddress != msg.sender) {\n require(\n isValidSignature(\n hash,\n signerAddress,\n signature\n ),\n \"INVALID_SIGNATURE\"\n );\n }\n preSigned[hash][signerAddress] = true;\n }\n\n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external\n nonReentrant\n {\n address signerAddress = getCurrentContextAddress();\n allowedValidators[signerAddress][validatorAddress] = approval;\n emit SignatureValidatorApproval(\n signerAddress,\n validatorAddress,\n approval\n );\n }\n\n /// @dev Verifies that a hash has been signed by the given signer.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid)\n {\n require(\n signature.length > 0,\n \"LENGTH_GREATER_THAN_0_REQUIRED\"\n );\n\n // Pop last byte off of signature byte array.\n uint8 signatureTypeRaw = uint8(signature.popLastByte());\n\n // Ensure signature is supported\n require(\n signatureTypeRaw < uint8(SignatureType.NSignatureTypes),\n \"SIGNATURE_UNSUPPORTED\"\n );\n\n SignatureType signatureType = SignatureType(signatureTypeRaw);\n\n // Variables are not scoped in Solidity.\n uint8 v;\n bytes32 r;\n bytes32 s;\n address recovered;\n\n // Always illegal signature.\n // This is always an implicit option since a signer can create a\n // signature array with invalid type or length. We may as well make\n // it an explicit option. This aids testing and analysis. It is\n // also the initialization value for the enum type.\n if (signatureType == SignatureType.Illegal) {\n revert(\"SIGNATURE_ILLEGAL\");\n\n // Always invalid signature.\n // Like Illegal, this is always implicitly available and therefore\n // offered explicitly. It can be implicitly created by providing\n // a correctly formatted but incorrect signature.\n } else if (signatureType == SignatureType.Invalid) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = false;\n return isValid;\n\n // Signature using EIP712\n } else if (signatureType == SignatureType.EIP712) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n hash,\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signed using web3.eth_sign\n } else if (signatureType == SignatureType.EthSign) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n32\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signature verified by wallet contract.\n // If used with an order, the maker of the order is the wallet contract.\n } else if (signatureType == SignatureType.Wallet) {\n isValid = isValidWalletSignature(\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signature verified by validator contract.\n // If used with an order, the maker of the order can still be an EOA.\n // A signature using this type should be encoded as:\n // | Offset | Length | Contents |\n // | 0x00 | x | Signature to validate |\n // | 0x00 + x | 20 | Address of validator contract |\n // | 0x14 + x | 1 | Signature type is always \"\\x06\" |\n } else if (signatureType == SignatureType.Validator) {\n // Pop last 20 bytes off of signature byte array.\n address validatorAddress = signature.popLast20Bytes();\n \n // Ensure signer has approved validator.\n if (!allowedValidators[signerAddress][validatorAddress]) {\n return false;\n }\n isValid = isValidValidatorSignature(\n validatorAddress,\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signer signed hash previously using the preSign function.\n } else if (signatureType == SignatureType.PreSigned) {\n isValid = preSigned[hash][signerAddress];\n return isValid;\n }\n\n // Anything else is illegal (We do not return false because\n // the signature may actually be valid, just not in a format\n // that we currently support. In this case returning false\n // may lead the caller to incorrectly believe that the\n // signature was invalid.)\n revert(\"SIGNATURE_UNSUPPORTED\");\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if signature is valid for given wallet..\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IWallet(walletAddress).isValidSignature.selector,\n hash,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n walletAddress, // address of Wallet contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"WALLET_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000c57414c4c45545f4552524f5200000000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IValidator(signerAddress).isValidSignature.selector,\n hash,\n signerAddress,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n validatorAddress, // address of Validator contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"VALIDATOR_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f56414c494441544f525f4552524f5200000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n}\n", - "2.0.0/protocol/Exchange/MixinTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"./libs/LibExchangeErrors.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./libs/LibEIP712.sol\";\n\n\ncontract MixinTransactions is\n LibEIP712,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of transaction hash => executed\n // This prevents transactions from being executed more than once.\n mapping (bytes32 => bool) public transactions;\n\n // Address of current transaction signer\n address public currentContextAddress;\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external\n {\n // Prevent reentrancy\n require(\n currentContextAddress == address(0),\n \"REENTRANCY_ILLEGAL\"\n );\n\n bytes32 transactionHash = hashEIP712Message(hashZeroExTransaction(\n salt,\n signerAddress,\n data\n ));\n\n // Validate transaction has not been executed\n require(\n !transactions[transactionHash],\n \"INVALID_TX_HASH\"\n );\n\n // Transaction always valid if signer is sender of transaction\n if (signerAddress != msg.sender) {\n // Validate signature\n require(\n isValidSignature(\n transactionHash,\n signerAddress,\n signature\n ),\n \"INVALID_TX_SIGNATURE\"\n );\n\n // Set the current transaction signer\n currentContextAddress = signerAddress;\n }\n\n // Execute transaction\n transactions[transactionHash] = true;\n require(\n address(this).delegatecall(data),\n \"FAILED_EXECUTION\"\n );\n\n // Reset current transaction signer if it was previously updated\n if (signerAddress != msg.sender) {\n currentContextAddress = address(0);\n }\n }\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;\n bytes32 dataHash = keccak256(data);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,\n // salt,\n // bytes32(signerAddress),\n // keccak256(data)\n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, schemaHash) // hash of schema\n mstore(add(memPtr, 32), salt) // salt\n mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff)) // signerAddress\n mstore(add(memPtr, 96), dataHash) // hash of data\n\n // Compute hash\n result := keccak256(memPtr, 128)\n }\n return result;\n }\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address)\n {\n address currentContextAddress_ = currentContextAddress;\n address contextAddress = currentContextAddress_ == address(0) ? msg.sender : currentContextAddress_;\n return contextAddress;\n }\n}\n", - "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibAbiEncoder.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MWrapperFunctions.sol\";\n\n\ncontract MixinWrapperFunctions is\n ReentrancyGuard,\n LibMath,\n LibFillResults,\n LibAbiEncoder,\n MExchangeCore,\n MWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrKillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n // Delegate to `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := delegatecall(\n gas, // forward all gas\n address, // call address of this contract\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrKillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n \n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public\n nonReentrant\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n cancelOrderInternal(orders[i]);\n }\n }\n\n /// @dev Fetches information for all passed in orders.\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n LibOrder.OrderInfo[] memory ordersInfo = new LibOrder.OrderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n ordersInfo[i] = getOrderInfo(orders[i]);\n }\n return ordersInfo;\n }\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n require(\n fillResults.takerAssetFilledAmount == takerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return fillResults;\n }\n}\n", - "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssetProxyDispatcher {\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external;\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IExchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./IExchangeCore.sol\";\nimport \"./IMatchOrders.sol\";\nimport \"./ISignatureValidator.sol\";\nimport \"./ITransactions.sol\";\nimport \"./IAssetProxyDispatcher.sol\";\nimport \"./IWrapperFunctions.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract IExchange is\n IExchangeCore,\n IMatchOrders,\n ISignatureValidator,\n ITransactions,\n IAssetProxyDispatcher,\n IWrapperFunctions\n{}\n", - "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IExchangeCore {\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external;\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrder(LibOrder.Order memory order)\n public;\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(LibOrder.Order memory order)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IMatchOrders {\n\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n}\n", - "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ISignatureValidator {\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external;\n \n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external;\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address of signer.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\n\ncontract ITransactions {\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external;\n}\n", - "2.0.0/protocol/Exchange/interfaces/IValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IValidator {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IWallet {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IWrapperFunctions {\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public;\n\n /// @dev Fetches information for all passed in orders\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory);\n}\n", - "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./LibOrder.sol\";\n\n\ncontract LibAbiEncoder {\n\n /// @dev ABI encodes calldata for `fillOrder`.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return ABI encoded calldata for `fillOrder`.\n function abiEncodeFillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n pure\n returns (bytes memory fillOrderCalldata)\n {\n // We need to call MExchangeCore.fillOrder using a delegatecall in\n // assembly so that we can intercept a call that throws. For this, we\n // need the input encoded in memory in the Ethereum ABIv2 format [1].\n\n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0x00 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 0x00 | | 1. offset to order (*) |\n // | | 0x20 | | 2. takerAssetFillAmount |\n // | | 0x40 | | 3. offset to signature (*) |\n // | Data | | 12 * 32 | order: |\n // | | 0x000 | | 1. senderAddress |\n // | | 0x020 | | 2. makerAddress |\n // | | 0x040 | | 3. takerAddress |\n // | | 0x060 | | 4. feeRecipientAddress |\n // | | 0x080 | | 5. makerAssetAmount |\n // | | 0x0A0 | | 6. takerAssetAmount |\n // | | 0x0C0 | | 7. makerFeeAmount |\n // | | 0x0E0 | | 8. takerFeeAmount |\n // | | 0x100 | | 9. expirationTimeSeconds |\n // | | 0x120 | | 10. salt |\n // | | 0x140 | | 11. Offset to makerAssetData (*) |\n // | | 0x160 | | 12. Offset to takerAssetData (*) |\n // | | 0x180 | 32 | makerAssetData Length |\n // | | 0x1A0 | ** | makerAssetData Contents |\n // | | 0x1C0 | 32 | takerAssetData Length |\n // | | 0x1E0 | ** | takerAssetData Contents |\n // | | 0x200 | 32 | signature Length |\n // | | 0x220 | ** | signature Contents |\n\n // * Offsets are calculated from the beginning of the current area: Header, Params, Data:\n // An offset stored in the Params area is calculated from the beginning of the Params section.\n // An offset stored in the Data area is calculated from the beginning of the Data section.\n\n // ** The length of dynamic array contents are stored in the field immediately preceeding the contents.\n\n // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html\n\n assembly {\n\n // Areas below may use the following variables:\n // 1. Start -- Start of this area in memory\n // 2. End -- End of this area in memory. This value may\n // be precomputed (before writing contents),\n // or it may be computed as contents are written.\n // 3. Offset -- Current offset into area. If an area's End\n // is precomputed, this variable tracks the\n // offsets of contents as they are written.\n\n /////// Setup Header Area ///////\n // Load free memory pointer\n fillOrderCalldata := mload(0x40)\n // bytes4(keccak256(\"fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)\"))\n // = 0xb4be83d5\n // Leave 0x20 bytes to store the length\n mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000)\n let headerAreaEnd := add(fillOrderCalldata, 0x24)\n\n /////// Setup Params Area ///////\n // This area is preallocated and written to later.\n // This is because we need to fill in offsets that have not yet been calculated.\n let paramsAreaStart := headerAreaEnd\n let paramsAreaEnd := add(paramsAreaStart, 0x60)\n let paramsAreaOffset := paramsAreaStart\n\n /////// Setup Data Area ///////\n let dataAreaStart := paramsAreaEnd\n let dataAreaEnd := dataAreaStart\n\n // Offset from the source data we're reading from\n let sourceOffset := order\n // arrayLenBytes and arrayLenWords track the length of a dynamically-allocated bytes array.\n let arrayLenBytes := 0\n let arrayLenWords := 0\n\n /////// Write order Struct ///////\n // Write memory location of Order, relative to the start of the\n // parameter list, then increment the paramsAreaOffset respectively.\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n // Write values for each field in the order\n // It would be nice to use a loop, but we save on gas by writing\n // the stores sequentially.\n mstore(dataAreaEnd, mload(sourceOffset)) // makerAddress\n mstore(add(dataAreaEnd, 0x20), mload(add(sourceOffset, 0x20))) // takerAddress\n mstore(add(dataAreaEnd, 0x40), mload(add(sourceOffset, 0x40))) // feeRecipientAddress\n mstore(add(dataAreaEnd, 0x60), mload(add(sourceOffset, 0x60))) // senderAddress\n mstore(add(dataAreaEnd, 0x80), mload(add(sourceOffset, 0x80))) // makerAssetAmount\n mstore(add(dataAreaEnd, 0xA0), mload(add(sourceOffset, 0xA0))) // takerAssetAmount\n mstore(add(dataAreaEnd, 0xC0), mload(add(sourceOffset, 0xC0))) // makerFeeAmount\n mstore(add(dataAreaEnd, 0xE0), mload(add(sourceOffset, 0xE0))) // takerFeeAmount\n mstore(add(dataAreaEnd, 0x100), mload(add(sourceOffset, 0x100))) // expirationTimeSeconds\n mstore(add(dataAreaEnd, 0x120), mload(add(sourceOffset, 0x120))) // salt\n mstore(add(dataAreaEnd, 0x140), mload(add(sourceOffset, 0x140))) // Offset to makerAssetData\n mstore(add(dataAreaEnd, 0x160), mload(add(sourceOffset, 0x160))) // Offset to takerAssetData\n dataAreaEnd := add(dataAreaEnd, 0x180)\n sourceOffset := add(sourceOffset, 0x180)\n\n // Write offset to \n mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x140)) // makerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Write offset to \n mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x160)) // takerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n /////// Write takerAssetFillAmount ///////\n mstore(paramsAreaOffset, takerAssetFillAmount)\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n /////// Write signature ///////\n // Write offset to paramsArea\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n\n // Calculate length of signature\n sourceOffset := signature\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of signature\n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of signature\n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Set length of calldata\n mstore(fillOrderCalldata, sub(dataAreaEnd, add(fillOrderCalldata, 0x20)))\n\n // Increment free memory pointer\n mstore(0x40, dataAreaEnd)\n }\n\n return fillOrderCalldata;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\n// solhint-disable max-line-length\ncontract LibConstants {\n \n // Asset data for ZRX token. Used for fee transfers.\n // @TODO: Hardcode constant when we deploy. Currently \n // not constant to make testing easier.\n\n // The proxyId for ZRX_ASSET_DATA is bytes4(keccak256(\"ERC20Token(address)\")) = 0xf47261b0\n \n // Kovan ZRX address is 0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570.\n // The ABI encoded proxyId and address is 0xf47261b00000000000000000000000006ff6c0ff1d68b964901f986d4c9fa3ac68346570\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x6f\\xf6\\xc0\\xff\\x1d\\x68\\xb9\\x64\\x90\\x1f\\x98\\x6d\\x4c\\x9f\\xa3\\xac\\x68\\x34\\x65\\x70\";\n \n // Mainnet ZRX address is 0xe41d2489571d322189246dafa5ebde1f4699f498.\n // The ABI encoded proxyId and address is 0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xe4\\x1d\\x24\\x89\\x57\\x1d\\x32\\x21\\x89\\x24\\x6d\\xaf\\xa5\\xeb\\xde\\x1f\\x46\\x99\\xf4\\x98\";\n \n // solhint-disable-next-line var-name-mixedcase\n bytes public ZRX_ASSET_DATA;\n\n // @TODO: Remove when we deploy.\n constructor (bytes memory zrxAssetData)\n public\n {\n ZRX_ASSET_DATA = zrxAssetData;\n }\n}\n// solhint-enable max-line-length\n", - "2.0.0/protocol/Exchange/libs/LibEIP712.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract LibEIP712 {\n\n // EIP191 header for EIP712 prefix\n string constant internal EIP191_HEADER = \"\\x19\\x01\";\n\n // EIP712 Domain Name value\n string constant internal EIP712_DOMAIN_NAME = \"0x Protocol\";\n\n // EIP712 Domain Version value\n string constant internal EIP712_DOMAIN_VERSION = \"2\";\n\n // Hash of the EIP712 Domain Separator Schema\n bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"EIP712Domain(\",\n \"string name,\",\n \"string version,\",\n \"address verifyingContract\",\n \")\"\n ));\n\n // Hash of the EIP712 Domain Separator data\n // solhint-disable-next-line var-name-mixedcase\n bytes32 public EIP712_DOMAIN_HASH;\n\n constructor ()\n public\n {\n EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(\n EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,\n keccak256(bytes(EIP712_DOMAIN_NAME)),\n keccak256(bytes(EIP712_DOMAIN_VERSION)),\n bytes32(address(this))\n ));\n }\n\n /// @dev Calculates EIP712 encoding for a hash struct in this EIP712 Domain.\n /// @param hashStruct The EIP712 hash struct.\n /// @return EIP712 hash applied to this EIP712 Domain.\n function hashEIP712Message(bytes32 hashStruct)\n internal\n view\n returns (bytes32 result)\n {\n bytes32 eip712DomainHash = EIP712_DOMAIN_HASH;\n\n // Assembly for more efficient computing:\n // keccak256(abi.encodePacked(\n // EIP191_HEADER,\n // EIP712_DOMAIN_HASH,\n // hashStruct \n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, 0x1901000000000000000000000000000000000000000000000000000000000000) // EIP191 header\n mstore(add(memPtr, 2), eip712DomainHash) // EIP712 domain hash\n mstore(add(memPtr, 34), hashStruct) // Hash of struct\n\n // Compute hash\n result := keccak256(memPtr, 66)\n }\n return result;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity 0.4.24;\n\n\n/// @dev This contract documents the revert reasons used in the Exchange contract.\n/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons.\ncontract LibExchangeErrors {\n\n /// Order validation errors ///\n string constant ORDER_UNFILLABLE = \"ORDER_UNFILLABLE\"; // Order cannot be filled.\n string constant INVALID_MAKER = \"INVALID_MAKER\"; // Invalid makerAddress.\n string constant INVALID_TAKER = \"INVALID_TAKER\"; // Invalid takerAddress.\n string constant INVALID_SENDER = \"INVALID_SENDER\"; // Invalid `msg.sender`.\n string constant INVALID_ORDER_SIGNATURE = \"INVALID_ORDER_SIGNATURE\"; // Signature validation failed. \n \n /// fillOrder validation errors ///\n string constant INVALID_TAKER_AMOUNT = \"INVALID_TAKER_AMOUNT\"; // takerAssetFillAmount cannot equal 0.\n string constant ROUNDING_ERROR = \"ROUNDING_ERROR\"; // Rounding error greater than 0.1% of takerAssetFillAmount. \n \n /// Signature validation errors ///\n string constant INVALID_SIGNATURE = \"INVALID_SIGNATURE\"; // Signature validation failed. \n string constant SIGNATURE_ILLEGAL = \"SIGNATURE_ILLEGAL\"; // Signature type is illegal.\n string constant SIGNATURE_UNSUPPORTED = \"SIGNATURE_UNSUPPORTED\"; // Signature type unsupported.\n \n /// cancelOrdersUptTo errors ///\n string constant INVALID_NEW_ORDER_EPOCH = \"INVALID_NEW_ORDER_EPOCH\"; // Specified salt must be greater than or equal to existing orderEpoch.\n\n /// fillOrKillOrder errors ///\n string constant COMPLETE_FILL_FAILED = \"COMPLETE_FILL_FAILED\"; // Desired takerAssetFillAmount could not be completely filled. \n\n /// matchOrders errors ///\n string constant NEGATIVE_SPREAD_REQUIRED = \"NEGATIVE_SPREAD_REQUIRED\"; // Matched orders must have a negative spread.\n\n /// Transaction errors ///\n string constant REENTRANCY_ILLEGAL = \"REENTRANCY_ILLEGAL\"; // Recursive reentrancy is not allowed. \n string constant INVALID_TX_HASH = \"INVALID_TX_HASH\"; // Transaction has already been executed. \n string constant INVALID_TX_SIGNATURE = \"INVALID_TX_SIGNATURE\"; // Signature validation failed. \n string constant FAILED_EXECUTION = \"FAILED_EXECUTION\"; // Transaction execution failed. \n \n /// registerAssetProxy errors ///\n string constant ASSET_PROXY_ALREADY_EXISTS = \"ASSET_PROXY_ALREADY_EXISTS\"; // AssetProxy with same id already exists.\n\n /// dispatchTransferFrom errors ///\n string constant ASSET_PROXY_DOES_NOT_EXIST = \"ASSET_PROXY_DOES_NOT_EXIST\"; // No assetProxy registered at given id.\n string constant TRANSFER_FAILED = \"TRANSFER_FAILED\"; // Asset transfer unsuccesful.\n\n /// Length validation errors ///\n string constant LENGTH_GREATER_THAN_0_REQUIRED = \"LENGTH_GREATER_THAN_0_REQUIRED\"; // Byte array must have a length greater than 0.\n string constant LENGTH_GREATER_THAN_3_REQUIRED = \"LENGTH_GREATER_THAN_3_REQUIRED\"; // Byte array must have a length greater than 3.\n string constant LENGTH_0_REQUIRED = \"LENGTH_0_REQUIRED\"; // Byte array must have a length of 0.\n string constant LENGTH_65_REQUIRED = \"LENGTH_65_REQUIRED\"; // Byte array must have a length of 65.\n}\n", - "2.0.0/protocol/Exchange/libs/LibFillResults.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibFillResults is\n SafeMath\n{\n struct FillResults {\n uint256 makerAssetFilledAmount; // Total amount of makerAsset(s) filled.\n uint256 takerAssetFilledAmount; // Total amount of takerAsset(s) filled.\n uint256 makerFeePaid; // Total amount of ZRX paid by maker(s) to feeRecipient(s).\n uint256 takerFeePaid; // Total amount of ZRX paid by taker to feeRecipients(s).\n }\n\n struct MatchedFillResults {\n FillResults left; // Amounts filled and fees paid of left order.\n FillResults right; // Amounts filled and fees paid of right order.\n uint256 leftMakerAssetSpreadAmount; // Spread between price of left and right order, denominated in the left order's makerAsset, paid to taker.\n }\n\n /// @dev Adds properties of both FillResults instances.\n /// Modifies the first FillResults instance specified.\n /// @param totalFillResults Fill results instance that will be added onto.\n /// @param singleFillResults Fill results instance that will be added to totalFillResults.\n function addFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)\n internal\n pure\n {\n totalFillResults.makerAssetFilledAmount = safeAdd(totalFillResults.makerAssetFilledAmount, singleFillResults.makerAssetFilledAmount);\n totalFillResults.takerAssetFilledAmount = safeAdd(totalFillResults.takerAssetFilledAmount, singleFillResults.takerAssetFilledAmount);\n totalFillResults.makerFeePaid = safeAdd(totalFillResults.makerFeePaid, singleFillResults.makerFeePaid);\n totalFillResults.takerFeePaid = safeAdd(totalFillResults.takerFeePaid, singleFillResults.takerFeePaid);\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibMath.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibMath is\n SafeMath\n{\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function safeGetPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorFloor(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function safeGetPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorCeil(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function getPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function getPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // The absolute rounding error is the difference between the rounded\n // value and the ideal value. The relative rounding error is the\n // absolute rounding error divided by the absolute value of the\n // ideal value. This is undefined when the ideal value is zero.\n //\n // The ideal value is `numerator * target / denominator`.\n // Let's call `numerator * target % denominator` the remainder.\n // The absolute error is `remainder / denominator`.\n //\n // When the ideal value is zero, we require the absolute error to\n // be zero. Fortunately, this is always the case. The ideal value is\n // zero iff `numerator == 0` and/or `target == 0`. In this case the\n // remainder and absolute error are also zero. \n if (target == 0 || numerator == 0) {\n return false;\n }\n \n // Otherwise, we want the relative rounding error to be strictly\n // less than 0.1%.\n // The relative error is `remainder / (numerator * target)`.\n // We want the relative error less than 1 / 1000:\n // remainder / (numerator * denominator) < 1 / 1000\n // or equivalently:\n // 1000 * remainder < numerator * target\n // so we have a rounding error iff:\n // 1000 * remainder >= numerator * target\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding up.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // See the comments in `isRoundingError`.\n if (target == 0 || numerator == 0) {\n // When either is zero, the ideal value and rounded value are zero\n // and there is no rounding error. (Although the relative error\n // is undefined.)\n return false;\n }\n // Compute remainder as before\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n remainder = safeSub(denominator, remainder) % denominator;\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibOrder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./LibEIP712.sol\";\n\n\ncontract LibOrder is\n LibEIP712\n{\n // Hash for the EIP712 Order Schema\n bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"Order(\",\n \"address makerAddress,\",\n \"address takerAddress,\",\n \"address feeRecipientAddress,\",\n \"address senderAddress,\",\n \"uint256 makerAssetAmount,\",\n \"uint256 takerAssetAmount,\",\n \"uint256 makerFee,\",\n \"uint256 takerFee,\",\n \"uint256 expirationTimeSeconds,\",\n \"uint256 salt,\",\n \"bytes makerAssetData,\",\n \"bytes takerAssetData\",\n \")\"\n ));\n\n // A valid order remains fillable until it is expired, fully filled, or cancelled.\n // An order's state is unaffected by external factors, like account balances.\n enum OrderStatus {\n INVALID, // Default value\n INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount\n INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount\n FILLABLE, // Order is fillable\n EXPIRED, // Order has already expired\n FULLY_FILLED, // Order is fully filled\n CANCELLED // Order has been cancelled\n }\n\n // solhint-disable max-line-length\n struct Order {\n address makerAddress; // Address that created the order. \n address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order. \n address feeRecipientAddress; // Address that will recieve fees when order is filled. \n address senderAddress; // Address that is allowed to call Exchange contract methods that affect this order. If set to 0, any address is allowed to call these methods.\n uint256 makerAssetAmount; // Amount of makerAsset being offered by maker. Must be greater than 0. \n uint256 takerAssetAmount; // Amount of takerAsset being bid on by maker. Must be greater than 0. \n uint256 makerFee; // Amount of ZRX paid to feeRecipient by maker when order is filled. If set to 0, no transfer of ZRX from maker to feeRecipient will be attempted.\n uint256 takerFee; // Amount of ZRX paid to feeRecipient by taker when order is filled. If set to 0, no transfer of ZRX from taker to feeRecipient will be attempted.\n uint256 expirationTimeSeconds; // Timestamp in seconds at which order expires. \n uint256 salt; // Arbitrary number to facilitate uniqueness of the order's hash. \n bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.\n bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.\n }\n // solhint-enable max-line-length\n\n struct OrderInfo {\n uint8 orderStatus; // Status that describes order's validity and fillability.\n bytes32 orderHash; // EIP712 hash of the order (see LibOrder.getOrderHash).\n uint256 orderTakerAssetFilledAmount; // Amount of order that has already been filled.\n }\n\n /// @dev Calculates Keccak-256 hash of the order.\n /// @param order The order structure.\n /// @return Keccak-256 EIP712 hash of the order.\n function getOrderHash(Order memory order)\n internal\n view\n returns (bytes32 orderHash)\n {\n orderHash = hashEIP712Message(hashOrder(order));\n return orderHash;\n }\n\n /// @dev Calculates EIP712 hash of the order.\n /// @param order The order structure.\n /// @return EIP712 hash of the order.\n function hashOrder(Order memory order)\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ORDER_SCHEMA_HASH;\n bytes32 makerAssetDataHash = keccak256(order.makerAssetData);\n bytes32 takerAssetDataHash = keccak256(order.takerAssetData);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ORDER_SCHEMA_HASH,\n // bytes32(order.makerAddress),\n // bytes32(order.takerAddress),\n // bytes32(order.feeRecipientAddress),\n // bytes32(order.senderAddress),\n // order.makerAssetAmount,\n // order.takerAssetAmount,\n // order.makerFee,\n // order.takerFee,\n // order.expirationTimeSeconds,\n // order.salt,\n // keccak256(order.makerAssetData),\n // keccak256(order.takerAssetData)\n // ));\n\n assembly {\n // Calculate memory addresses that will be swapped out before hashing\n let pos1 := sub(order, 32)\n let pos2 := add(order, 320)\n let pos3 := add(order, 352)\n\n // Backup\n let temp1 := mload(pos1)\n let temp2 := mload(pos2)\n let temp3 := mload(pos3)\n \n // Hash in place\n mstore(pos1, schemaHash)\n mstore(pos2, makerAssetDataHash)\n mstore(pos3, takerAssetDataHash)\n result := keccak256(pos1, 416)\n \n // Restore\n mstore(pos1, temp1)\n mstore(pos2, temp2)\n mstore(pos3, temp3)\n }\n return result;\n }\n}\n", - "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssetProxyDispatcher.sol\";\n\n\ncontract MAssetProxyDispatcher is\n IAssetProxyDispatcher\n{\n // Logs registration of new asset proxy\n event AssetProxyRegistered(\n bytes4 id, // Id of new registered AssetProxy.\n address assetProxy // Address of new registered AssetProxy.\n );\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal;\n}\n", - "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IExchangeCore.sol\";\n\n\ncontract MExchangeCore is\n IExchangeCore\n{\n // Fill event is emitted whenever an order is filled.\n event Fill(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that received fees.\n address takerAddress, // Address that filled the order.\n address senderAddress, // Address that called the Exchange contract (msg.sender).\n uint256 makerAssetFilledAmount, // Amount of makerAsset sold by maker and bought by taker. \n uint256 takerAssetFilledAmount, // Amount of takerAsset sold by taker and bought by maker.\n uint256 makerFeePaid, // Amount of ZRX paid to feeRecipient by maker.\n uint256 takerFeePaid, // Amount of ZRX paid to feeRecipient by taker.\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // Cancel event is emitted whenever an individual order is cancelled.\n event Cancel(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that would have recieved fees if order was filled. \n address senderAddress, // Address that called the Exchange contract (msg.sender).\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // CancelUpTo event is emitted whenever `cancelOrdersUpTo` is executed succesfully.\n event CancelUpTo(\n address indexed makerAddress, // Orders cancelled must have been created by this address.\n address indexed senderAddress, // Orders cancelled must have a `senderAddress` equal to this address.\n uint256 orderEpoch // Orders with specified makerAddress and senderAddress with a salt less than this value are considered cancelled.\n );\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrderInternal(LibOrder.Order memory order)\n internal;\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function updateFilledState(\n LibOrder.Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n LibFillResults.FillResults memory fillResults\n )\n internal;\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n LibOrder.Order memory order,\n bytes32 orderHash\n )\n internal;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo Status, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view;\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo\n )\n internal\n view;\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n LibOrder.Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.FillResults memory fillResults);\n\n}\n", - "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IMatchOrders.sol\";\n\n\ncontract MMatchOrders is\n IMatchOrders\n{\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure;\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n\n}\n", - "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/ISignatureValidator.sol\";\n\n\ncontract MSignatureValidator is\n ISignatureValidator\n{\n event SignatureValidatorApproval(\n address indexed signerAddress, // Address that approves or disapproves a contract to verify signatures.\n address indexed validatorAddress, // Address of signature validator contract.\n bool approved // Approval or disapproval of validator contract.\n );\n\n // Allowed signature types.\n enum SignatureType {\n Illegal, // 0x00, default value\n Invalid, // 0x01\n EIP712, // 0x02\n EthSign, // 0x03\n Wallet, // 0x04\n Validator, // 0x05\n PreSigned, // 0x06\n NSignatureTypes // 0x07, number of signature types. Always leave at end.\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/mixins/MTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"../interfaces/ITransactions.sol\";\n\n\ncontract MTransactions is\n ITransactions\n{\n // Hash for the EIP712 ZeroEx Transaction Schema\n bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"ZeroExTransaction(\",\n \"uint256 salt,\",\n \"address signerAddress,\",\n \"bytes data\",\n \")\"\n ));\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result);\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address);\n}\n", - "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IWrapperFunctions.sol\";\n\n\ncontract MWrapperFunctions is \n IWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n}\n", - "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/MintableERC20Token.sol\";\n\n\ncontract DummyERC20Token is \n Ownable,\n MintableERC20Token\n{\n string public name;\n string public symbol;\n uint256 public decimals;\n uint256 public constant MAX_MINT_AMOUNT = 10000000000000000000000;\n\n constructor (\n string _name,\n string _symbol,\n uint256 _decimals,\n uint256 _totalSupply\n )\n public\n {\n name = _name;\n symbol = _symbol;\n decimals = _decimals;\n _totalSupply = _totalSupply;\n balances[msg.sender] = _totalSupply;\n }\n\n /// @dev Sets the balance of target address\n /// @param _target Address or which balance will be updated\n /// @param _value New balance of target address\n function setBalance(address _target, uint256 _value)\n external\n onlyOwner\n {\n uint256 currBalance = balances[_target];\n if (_value < currBalance) {\n _totalSupply = safeSub(_totalSupply, safeSub(currBalance, _value));\n } else {\n _totalSupply = safeAdd(_totalSupply, safeSub(_value, currBalance));\n }\n balances[_target] = _value;\n }\n\n /// @dev Mints new tokens for sender\n /// @param _value Amount of tokens to mint\n function mint(uint256 _value)\n external\n {\n require(\n _value <= MAX_MINT_AMOUNT,\n \"VALUE_TOO_LARGE\"\n );\n\n _mint(msg.sender, _value);\n }\n}\n", - "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../tokens/ERC721Token/MintableERC721Token.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract DummyERC721Token is\n Ownable,\n MintableERC721Token\n{\n string public name;\n string public symbol;\n\n constructor (\n string _name,\n string _symbol\n )\n public\n {\n name = _name;\n symbol = _symbol;\n }\n\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function mint(address _to, uint256 _tokenId)\n external\n {\n _mint(_to, _tokenId);\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist or not called by contract owner\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function burn(address _owner, uint256 _tokenId)\n external\n onlyOwner\n {\n _burn(_owner, _tokenId);\n }\n}\n", - "2.0.0/tokens/ERC20Token/ERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC20Token.sol\";\n\n\ncontract ERC20Token is\n IERC20Token\n{\n mapping (address => uint256) internal balances;\n mapping (address => mapping (address => uint256)) internal allowed;\n\n uint256 internal _totalSupply;\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool)\n {\n require(\n balances[msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[msg.sender] -= _value;\n balances[_to] += _value;\n\n emit Transfer(\n msg.sender,\n _to,\n _value\n );\n\n return true;\n }\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowed[_from][msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n allowed[_from][msg.sender] -= _value;\n \n emit Transfer(\n _from,\n _to,\n _value\n );\n \n return true;\n }\n\n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool)\n {\n allowed[msg.sender][_spender] = _value;\n emit Approval(\n msg.sender,\n _spender,\n _value\n );\n return true;\n }\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256)\n {\n return _totalSupply;\n }\n\n /// @dev Query the balance of owner\n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n return balances[_owner];\n }\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256)\n {\n return allowed[_owner][_spender];\n }\n}\n", - "2.0.0/tokens/ERC20Token/IERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n \n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n \n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", - "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/SafeMath/SafeMath.sol\";\nimport \"./UnlimitedAllowanceERC20Token.sol\";\n\n\ncontract MintableERC20Token is \n SafeMath,\n UnlimitedAllowanceERC20Token\n{\n /// @dev Mints new tokens\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _value Amount of tokens to mint\n function _mint(address _to, uint256 _value)\n internal\n {\n balances[_to] = safeAdd(_value, balances[_to]);\n _totalSupply = safeAdd(_totalSupply, _value);\n\n emit Transfer(\n address(0),\n _to,\n _value\n );\n }\n\n /// @dev Mints new tokens\n /// @param _owner Owner of tokens that will be burned\n /// @param _value Amount of tokens to burn\n function _burn(address _owner, uint256 _value)\n internal\n {\n balances[_owner] = safeSub(balances[_owner], _value);\n _totalSupply = safeSub(_totalSupply, _value);\n\n emit Transfer(\n _owner,\n address(0),\n _value\n );\n }\n}\n", - "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/ERC20Token.sol\";\n\n\ncontract UnlimitedAllowanceERC20Token is\n ERC20Token\n{\n uint256 constant internal MAX_UINT = 2**256 - 1;\n\n /// @dev ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited allowance. See https://github.com/ethereum/EIPs/issues/717\n /// @param _from Address to transfer from.\n /// @param _to Address to transfer to.\n /// @param _value Amount to transfer.\n /// @return Success of transfer.\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n uint256 allowance = allowed[_from][msg.sender];\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowance >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n if (allowance < MAX_UINT) {\n allowed[_from][msg.sender] -= _value;\n }\n\n emit Transfer(\n _from,\n _to,\n _value\n );\n\n return true;\n }\n}\n", - "2.0.0/tokens/ERC721Token/ERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC721Token.sol\";\nimport \"./IERC721Receiver.sol\";\nimport \"../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract ERC721Token is\n IERC721Token,\n SafeMath\n{\n // Function selector for ERC721Receiver.onERC721Received\n // 0x150b7a02\n bytes4 constant internal ERC721_RECEIVED = bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"));\n\n // Mapping of tokenId => owner\n mapping (uint256 => address) internal owners;\n\n // Mapping of tokenId => approved address\n mapping (uint256 => address) internal approvals;\n\n // Mapping of owner => number of tokens owned\n mapping (address => uint256) internal balances;\n\n // Mapping of owner => operator => approved\n mapping (address => mapping (address => bool)) internal operatorApprovals;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n _data\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n \"\"\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external\n {\n address owner = ownerOf(_tokenId);\n require(\n msg.sender == owner || isApprovedForAll(owner, msg.sender),\n \"ERC721_INVALID_SENDER\"\n );\n\n approvals[_tokenId] = _approved;\n emit Approval(\n owner,\n _approved,\n _tokenId\n );\n }\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external\n {\n operatorApprovals[msg.sender][_operator] = _approved;\n emit ApprovalForAll(\n msg.sender,\n _operator,\n _approved\n );\n }\n \n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return balances[_owner];\n }\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = ownerOf(_tokenId);\n require(\n _from == owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n address spender = msg.sender;\n address approvedAddress = getApproved(_tokenId);\n require(\n spender == owner ||\n isApprovedForAll(owner, spender) ||\n approvedAddress == spender,\n \"ERC721_INVALID_SPENDER\"\n );\n\n if (approvedAddress != address(0)) {\n approvals[_tokenId] = address(0);\n }\n\n owners[_tokenId] = _to;\n balances[_from] = safeSub(balances[_from], 1);\n balances[_to] = safeAdd(balances[_to], 1);\n \n emit Transfer(\n _from,\n _to,\n _tokenId\n );\n }\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address)\n {\n address owner = owners[_tokenId];\n require(\n owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return owner;\n }\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId)\n public\n view\n returns (address)\n {\n return approvals[_tokenId];\n }\n\n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool)\n {\n return operatorApprovals[_owner][_operator];\n }\n}\n", - "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Receiver {\n\n /// @notice Handle the receipt of an NFT\n /// @dev The ERC721 smart contract calls this function on the recipient\n /// after a `transfer`. This function MAY throw to revert and reject the\n /// transfer. Return of other than the magic value MUST result in the\n /// transaction being reverted.\n /// Note: the contract address is always the message sender.\n /// @param _operator The address which called `safeTransferFrom` function\n /// @param _from The address which previously owned the token\n /// @param _tokenId The NFT identifier which is being transferred\n /// @param _data Additional data with no specified format\n /// @return `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`\n /// unless throwing\n function onERC721Received(\n address _operator,\n address _from,\n uint256 _tokenId,\n bytes _data\n )\n external\n returns (bytes4);\n}\n", - "2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Token {\n\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(\n address indexed _owner,\n address indexed _approved,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(\n address indexed _owner,\n address indexed _operator,\n bool _approved\n );\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// perator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external;\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public;\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address);\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) \n public\n view\n returns (address);\n \n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool);\n}\n", - "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./ERC721Token.sol\";\n\n\ncontract MintableERC721Token is\n ERC721Token\n{\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function _mint(address _to, uint256 _tokenId)\n internal\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == address(0),\n \"ERC721_OWNER_ALREADY_EXISTS\"\n );\n\n owners[_tokenId] = _to;\n balances[_to] = safeAdd(balances[_to], 1);\n\n emit Transfer(\n address(0),\n _to,\n _tokenId\n );\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function _burn(address _owner, uint256 _tokenId)\n internal\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == _owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n owners[_tokenId] = address(0);\n balances[_owner] = safeSub(balances[_owner], 1);\n\n emit Transfer(\n _owner,\n address(0),\n _tokenId\n );\n }\n}\n", - "2.0.0/tokens/EtherToken/IEtherToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/IERC20Token.sol\";\n\n\ncontract IEtherToken is\n IERC20Token\n{\n function deposit()\n public\n payable;\n \n function withdraw(uint256 amount)\n public;\n}\n", - "2.0.0/utils/LibBytes/LibBytes.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\nlibrary LibBytes {\n\n using LibBytes for bytes;\n\n /// @dev Gets the memory address for a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of byte array. This\n /// points to the header of the byte array which contains\n /// the length.\n function rawAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := input\n }\n return memoryAddress;\n }\n \n /// @dev Gets the memory address for the contents of a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of the contents of the byte array.\n function contentAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := add(input, 32)\n }\n return memoryAddress;\n }\n\n /// @dev Copies `length` bytes from memory location `source` to `dest`.\n /// @param dest memory address to copy bytes to.\n /// @param source memory address to copy bytes from.\n /// @param length number of bytes to copy.\n function memCopy(\n uint256 dest,\n uint256 source,\n uint256 length\n )\n internal\n pure\n {\n if (length < 32) {\n // Handle a partial word by reading destination and masking\n // off the bits we are interested in.\n // This correctly handles overlap, zero lengths and source == dest\n assembly {\n let mask := sub(exp(256, sub(32, length)), 1)\n let s := and(mload(source), not(mask))\n let d := and(mload(dest), mask)\n mstore(dest, or(s, d))\n }\n } else {\n // Skip the O(length) loop when source == dest.\n if (source == dest) {\n return;\n }\n\n // For large copies we copy whole words at a time. The final\n // word is aligned to the end of the range (instead of after the\n // previous) to handle partial words. So a copy will look like this:\n //\n // ####\n // ####\n // ####\n // ####\n //\n // We handle overlap in the source and destination range by\n // changing the copying direction. This prevents us from\n // overwriting parts of source that we still need to copy.\n //\n // This correctly handles source == dest\n //\n if (source > dest) {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because it\n // is easier to compare with in the loop, and these\n // are also the addresses we need for copying the\n // last bytes.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the last 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the last bytes in\n // source already due to overlap.\n let last := mload(sEnd)\n\n // Copy whole words front to back\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} lt(source, sEnd) {} {\n mstore(dest, mload(source))\n source := add(source, 32)\n dest := add(dest, 32)\n }\n \n // Write the last 32 bytes\n mstore(dEnd, last)\n }\n } else {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because those\n // are the starting points when copying a word at the end.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the first 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the first bytes in\n // source already due to overlap.\n let first := mload(source)\n\n // Copy whole words back to front\n // We use a signed comparisson here to allow dEnd to become\n // negative (happens when source and dest < 32). Valid\n // addresses in local memory will never be larger than\n // 2**255, so they can be safely re-interpreted as signed.\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} slt(dest, dEnd) {} {\n mstore(dEnd, mload(sEnd))\n sEnd := sub(sEnd, 32)\n dEnd := sub(dEnd, 32)\n }\n \n // Write the first 32 bytes\n mstore(dest, first)\n }\n }\n }\n }\n\n /// @dev Returns a slices from a byte array.\n /// @param b The byte array to take a slice from.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n function slice(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure and copy contents\n result = new bytes(to - from);\n memCopy(\n result.contentAddress(),\n b.contentAddress() + from,\n result.length\n );\n return result;\n }\n \n /// @dev Returns a slice from a byte array without preserving the input.\n /// @param b The byte array to take a slice from. Will be destroyed in the process.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n /// @dev When `from == 0`, the original array will match the slice. In other cases its state will be corrupted.\n function sliceDestructive(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure around [from, to) in-place.\n assembly {\n result := add(b, from)\n mstore(result, sub(to, from))\n }\n return result;\n }\n\n /// @dev Pops the last byte off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The byte that was popped off.\n function popLastByte(bytes memory b)\n internal\n pure\n returns (bytes1 result)\n {\n require(\n b.length > 0,\n \"GREATER_THAN_ZERO_LENGTH_REQUIRED\"\n );\n\n // Store last byte.\n result = b[b.length - 1];\n\n assembly {\n // Decrement length of byte array.\n let newLen := sub(mload(b), 1)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Pops the last 20 bytes off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The 20 byte address that was popped off.\n function popLast20Bytes(bytes memory b)\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= 20,\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Store last 20 bytes.\n result = readAddress(b, b.length - 20);\n\n assembly {\n // Subtract 20 from byte array length.\n let newLen := sub(mload(b), 20)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Tests equality of two byte arrays.\n /// @param lhs First byte array to compare.\n /// @param rhs Second byte array to compare.\n /// @return True if arrays are the same. False otherwise.\n function equals(\n bytes memory lhs,\n bytes memory rhs\n )\n internal\n pure\n returns (bool equal)\n {\n // Keccak gas cost is 30 + numWords * 6. This is a cheap way to compare.\n // We early exit on unequal lengths, but keccak would also correctly\n // handle this.\n return lhs.length == rhs.length && keccak256(lhs) == keccak256(rhs);\n }\n\n /// @dev Reads an address from a position in a byte array.\n /// @param b Byte array containing an address.\n /// @param index Index in byte array of address.\n /// @return address from byte array.\n function readAddress(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Read address from array memory\n assembly {\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 20-byte mask to obtain address\n result := and(mload(add(b, index)), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n return result;\n }\n\n /// @dev Writes an address into a specific position in a byte array.\n /// @param b Byte array to insert address into.\n /// @param index Index in byte array of address.\n /// @param input Address to put into byte array.\n function writeAddress(\n bytes memory b,\n uint256 index,\n address input\n )\n internal\n pure\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Store address into array memory\n assembly {\n // The address occupies 20 bytes and mstore stores 32 bytes.\n // First fetch the 32-byte word where we'll be storing the address, then\n // apply a mask so we have only the bytes in the word that the address will not occupy.\n // Then combine these bytes with the address and store the 32 bytes back to memory with mstore.\n\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 12-byte mask to obtain extra bytes occupying word of memory where we'll store the address\n let neighbors := and(\n mload(add(b, index)),\n 0xffffffffffffffffffffffff0000000000000000000000000000000000000000\n )\n \n // Make sure input address is clean.\n // (Solidity does not guarantee this)\n input := and(input, 0xffffffffffffffffffffffffffffffffffffffff)\n\n // Store the neighbors and address into memory\n mstore(add(b, index), xor(input, neighbors))\n }\n }\n\n /// @dev Reads a bytes32 value from a position in a byte array.\n /// @param b Byte array containing a bytes32 value.\n /// @param index Index in byte array of bytes32 value.\n /// @return bytes32 value from byte array.\n function readBytes32(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes32 result)\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n result := mload(add(b, index))\n }\n return result;\n }\n\n /// @dev Writes a bytes32 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes32 to put into byte array.\n function writeBytes32(\n bytes memory b,\n uint256 index,\n bytes32 input\n )\n internal\n pure\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n mstore(add(b, index), input)\n }\n }\n\n /// @dev Reads a uint256 value from a position in a byte array.\n /// @param b Byte array containing a uint256 value.\n /// @param index Index in byte array of uint256 value.\n /// @return uint256 value from byte array.\n function readUint256(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (uint256 result)\n {\n result = uint256(readBytes32(b, index));\n return result;\n }\n\n /// @dev Writes a uint256 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input uint256 to put into byte array.\n function writeUint256(\n bytes memory b,\n uint256 index,\n uint256 input\n )\n internal\n pure\n {\n writeBytes32(b, index, bytes32(input));\n }\n\n /// @dev Reads an unpadded bytes4 value from a position in a byte array.\n /// @param b Byte array containing a bytes4 value.\n /// @param index Index in byte array of bytes4 value.\n /// @return bytes4 value from byte array.\n function readBytes4(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes4 result)\n {\n require(\n b.length >= index + 4,\n \"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 32 byte length field\n index += 32;\n\n // Read the bytes4 from array memory\n assembly {\n result := mload(add(b, index))\n // Solidity does not require us to clean the trailing bytes.\n // We do it anyway\n result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)\n }\n return result;\n }\n\n /// @dev Reads nested bytes from a specific position.\n /// @dev NOTE: the returned value overlaps with the input value.\n /// Both should be treated as immutable.\n /// @param b Byte array containing nested bytes.\n /// @param index Index of nested bytes.\n /// @return result Nested bytes.\n function readBytesWithLength(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes memory result)\n {\n // Read length of nested bytes\n uint256 nestedBytesLength = readUint256(b, index);\n index += 32;\n\n // Assert length of is valid, given\n // length of nested bytes\n require(\n b.length >= index + nestedBytesLength,\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n \n // Return a pointer to the byte array as it exists inside `b`\n assembly {\n result := add(b, index)\n }\n return result;\n }\n\n /// @dev Inserts bytes at a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes to insert.\n function writeBytesWithLength(\n bytes memory b,\n uint256 index,\n bytes memory input\n )\n internal\n pure\n {\n // Assert length of is valid, given\n // length of input\n require(\n b.length >= index + 32 + input.length, // 32 bytes to store length\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n\n // Copy into \n memCopy(\n b.contentAddress() + index,\n input.rawAddress(), // includes length of \n input.length + 32 // +32 bytes to store length\n );\n }\n\n /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length.\n /// @param dest Byte array that will be overwritten with source bytes.\n /// @param source Byte array to copy onto dest bytes.\n function deepCopyBytes(\n bytes memory dest,\n bytes memory source\n )\n internal\n pure\n {\n uint256 sourceLen = source.length;\n // Dest length must be >= source length, or some bytes would not be copied.\n require(\n dest.length >= sourceLen,\n \"GREATER_OR_EQUAL_TO_SOURCE_BYTES_LENGTH_REQUIRED\"\n );\n memCopy(\n dest.contentAddress(),\n source.contentAddress(),\n sourceLen\n );\n }\n}\n", - "2.0.0/utils/Ownable/IOwnable.sol": "pragma solidity 0.4.24;\n\n\ncontract IOwnable {\n\n function transferOwnership(address newOwner)\n public;\n}\n", - "2.0.0/utils/Ownable/Ownable.sol": "pragma solidity 0.4.24;\n\nimport \"./IOwnable.sol\";\n\n\ncontract Ownable is\n IOwnable\n{\n address public owner;\n\n constructor ()\n public\n {\n owner = msg.sender;\n }\n\n modifier onlyOwner() {\n require(\n msg.sender == owner,\n \"ONLY_CONTRACT_OWNER\"\n );\n _;\n }\n\n function transferOwnership(address newOwner)\n public\n onlyOwner\n {\n if (newOwner != address(0)) {\n owner = newOwner;\n }\n }\n}\n", - "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ReentrancyGuard {\n\n // Locked state of mutex\n bool private locked = false;\n\n /// @dev Functions with this modifer cannot be reentered. The mutex will be locked\n /// before function execution and unlocked after.\n modifier nonReentrant() {\n // Ensure mutex is unlocked\n require(\n !locked,\n \"REENTRANCY_ILLEGAL\"\n );\n\n // Lock mutex before function call\n locked = true;\n\n // Perform function call\n _;\n\n // Unlock mutex after function call\n locked = false;\n }\n}\n", - "2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n\n function safeMul(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(\n c / a == b,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function safeDiv(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a / b;\n return c;\n }\n\n function safeSub(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n require(\n b <= a,\n \"UINT256_UNDERFLOW\"\n );\n return a - b;\n }\n\n function safeAdd(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a + b;\n require(\n c >= a,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function max64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n\n function max256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n}\n" - }, - "sourceTreeHashHex": "0x6ff1018244f1bb1b06f24f9e10b69d8f303b9440899eef7a5dea9bb9c3817cb9", - "compiler": { - "name": "solc", - "version": "soljson-v0.4.24+commit.e67f0147.js", - "settings": { - "optimizer": { - "enabled": true, - "runs": 1000000 - }, - "outputSelection": { - "*": { - "*": [ - "abi", - "evm.bytecode.object", - "evm.bytecode.sourceMap", - "evm.deployedBytecode.object", - "evm.deployedBytecode.sourceMap" - ] - } - } - } - }, - "networks": { - "3": { - "address": "0x4530c0483a1633c7a1c97d2c53721caff2caaaaf", - "links": {}, - "constructorArgs": "[\"0xf47261b0000000000000000000000000ff67881f8d12f372d91baae9752eb3631ff0ed00\"]" - }, - "42": { - "address": "0x35dd2932454449b14cee11a94d3674a936d5d7b2", - "links": {}, - "constructorArgs": "[\"0xf47261b00000000000000000000000002002d3812f58e35f0ea1ffbf80a75a38c32175fa\"]" - }, - "50": { - "address": "0x48bacb9266a570d521063ef5dd96e61686dbe788", - "links": {}, - "constructorArgs": "[\"0xf47261b0000000000000000000000000871dd7c2b4b25e1aa18728e9d5f2af4c4e431f5c\"]" - } - } -} diff --git a/packages/migrations/artifacts/2.0.0-beta-testnet/Forwarder.json b/packages/migrations/artifacts/2.0.0-beta-testnet/Forwarder.json deleted file mode 100644 index 6d282022e..000000000 --- a/packages/migrations/artifacts/2.0.0-beta-testnet/Forwarder.json +++ /dev/null @@ -1,761 +0,0 @@ -{ - "schemaVersion": "2.0.0", - "contractName": "Forwarder", - "compilerOutput": { - "abi": [ - { - "constant": false, - "inputs": [ - { - "components": [ - { - "name": "makerAddress", - "type": "address" - }, - { - "name": "takerAddress", - "type": "address" - }, - { - "name": "feeRecipientAddress", - "type": "address" - }, - { - "name": "senderAddress", - "type": "address" - }, - { - "name": "makerAssetAmount", - "type": "uint256" - }, - { - "name": "takerAssetAmount", - "type": "uint256" - }, - { - "name": "makerFee", - "type": "uint256" - }, - { - "name": "takerFee", - "type": "uint256" - }, - { - "name": "expirationTimeSeconds", - "type": "uint256" - }, - { - "name": "salt", - "type": "uint256" - }, - { - "name": "makerAssetData", - "type": "bytes" - }, - { - "name": "takerAssetData", - "type": "bytes" - } - ], - "name": "orders", - "type": "tuple[]" - }, - { - "name": "makerAssetFillAmount", - "type": "uint256" - }, - { - "name": "signatures", - "type": "bytes[]" - }, - { - "components": [ - { - "name": "makerAddress", - "type": "address" - }, - { - "name": "takerAddress", - 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MLOAD LT ISZERO ISZERO ISZERO PUSH3 0x3B4 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH3 0x210 SWAP1 PUSH3 0x69E JUMP JUMPDEST POP PUSH1 0x14 DUP2 DUP4 ADD DUP2 ADD MLOAD SWAP2 ADD SWAP1 PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB AND JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST DUP3 DUP1 SLOAD PUSH1 0x1 DUP2 PUSH1 0x1 AND ISZERO PUSH2 0x100 MUL SUB AND PUSH1 0x2 SWAP1 DIV SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 PUSH1 0x1F ADD PUSH1 0x20 SWAP1 DIV DUP2 ADD SWAP3 DUP3 PUSH1 0x1F LT PUSH3 0x413 JUMPI DUP1 MLOAD PUSH1 0xFF NOT AND DUP4 DUP1 ADD OR DUP6 SSTORE PUSH3 0x443 JUMP JUMPDEST DUP3 DUP1 ADD PUSH1 0x1 ADD DUP6 SSTORE DUP3 ISZERO PUSH3 0x443 JUMPI SWAP2 DUP3 ADD JUMPDEST DUP3 DUP2 GT ISZERO PUSH3 0x443 JUMPI DUP3 MLOAD DUP3 SSTORE SWAP2 PUSH1 0x20 ADD SWAP2 SWAP1 PUSH1 0x1 ADD SWAP1 PUSH3 0x426 JUMP JUMPDEST POP PUSH3 0x451 SWAP3 SWAP2 POP PUSH3 0x455 JUMP JUMPDEST POP SWAP1 JUMP JUMPDEST PUSH3 0x472 SWAP2 SWAP1 JUMPDEST DUP1 DUP3 GT ISZERO PUSH3 0x451 JUMPI PUSH1 0x0 DUP2 SSTORE PUSH1 0x1 ADD PUSH3 0x45C JUMP JUMPDEST SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH3 0x483 DUP3 MLOAD PUSH3 0x711 JUMP JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH3 0x483 DUP3 MLOAD PUSH3 0x742 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH3 0x4AA JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 MLOAD PUSH3 0x4C1 PUSH3 0x4BB DUP3 PUSH3 0x6E9 JUMP JUMPDEST PUSH3 0x6C2 JUMP JUMPDEST SWAP2 POP DUP1 DUP3 MSTORE PUSH1 0x20 DUP4 ADD PUSH1 0x20 DUP4 ADD DUP6 DUP4 DUP4 ADD GT ISZERO PUSH3 0x4DE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH3 0x4EB DUP4 DUP3 DUP5 PUSH3 0x747 JUMP JUMPDEST POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH3 0x507 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH3 0x515 DUP5 DUP5 PUSH3 0x475 JUMP JUMPDEST SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x60 DUP5 DUP7 SUB SLT ISZERO PUSH3 0x533 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH3 0x541 DUP7 DUP7 PUSH3 0x475 JUMP JUMPDEST SWAP4 POP POP PUSH1 0x20 DUP5 ADD MLOAD PUSH1 0x1 PUSH1 0x40 PUSH1 0x2 EXP SUB DUP2 GT ISZERO PUSH3 0x55E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH3 0x56C DUP7 DUP3 DUP8 ADD PUSH3 0x498 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x40 DUP5 ADD MLOAD PUSH1 0x1 PUSH1 0x40 PUSH1 0x2 EXP SUB DUP2 GT ISZERO PUSH3 0x589 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH3 0x597 DUP7 DUP3 DUP8 ADD PUSH3 0x498 JUMP JUMPDEST SWAP2 POP POP SWAP3 POP SWAP3 POP SWAP3 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH3 0x5B4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH3 0x515 DUP5 DUP5 PUSH3 0x48A JUMP JUMPDEST PUSH3 0x5CD DUP2 PUSH3 0x711 JUMP JUMPDEST DUP3 MSTORE POP POP JUMP JUMPDEST PUSH3 0x5CD DUP2 PUSH3 0x71D JUMP JUMPDEST PUSH1 0x26 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F32305F4C454E4754485F5245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5155495245440000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x18 DUP2 MSTORE PUSH32 0x554E524547495354455245445F41535345545F50524F58590000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH3 0x5CD DUP2 PUSH3 0x472 JUMP JUMPDEST PUSH1 0x40 DUP2 ADD PUSH3 0x67F DUP3 DUP6 PUSH3 0x5C2 JUMP JUMPDEST PUSH3 0x483 PUSH1 0x20 DUP4 ADD DUP5 PUSH3 0x664 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH3 0x3CA DUP3 DUP5 PUSH3 0x5D3 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH3 0x3CA DUP2 PUSH3 0x5DE JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH3 0x3CA DUP2 PUSH3 0x634 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP2 DUP2 ADD PUSH1 0x1 PUSH1 0x40 PUSH1 0x2 EXP SUB DUP2 GT DUP3 DUP3 LT OR ISZERO PUSH3 0x6E1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x40 MSTORE SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1 PUSH1 0x40 PUSH1 0x2 EXP SUB DUP3 GT ISZERO PUSH3 0x700 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x20 PUSH1 0x1F SWAP2 SWAP1 SWAP2 ADD PUSH1 0x1F NOT AND ADD SWAP1 JUMP JUMPDEST PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB AND SWAP1 JUMP JUMPDEST PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND SWAP1 JUMP JUMPDEST ISZERO ISZERO SWAP1 JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH3 0x764 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH3 0x74A JUMP JUMPDEST DUP4 DUP2 GT ISZERO PUSH3 0x774 JUMPI PUSH1 0x0 DUP5 DUP5 ADD MSTORE JUMPDEST POP POP POP POP JUMP JUMPDEST PUSH2 0x2551 DUP1 PUSH3 0x78A PUSH1 0x0 CODECOPY PUSH1 0x0 RETURN STOP PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0x6C JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x18978E82 DUP2 EQ PUSH2 0xC8 JUMPI DUP1 PUSH4 0x630F1E6C EQ PUSH2 0xF2 JUMPI DUP1 PUSH4 0x8DA5CB5B EQ PUSH2 0x112 JUMPI DUP1 PUSH4 0x9395525C EQ PUSH2 0x134 JUMPI DUP1 PUSH4 0xF2FDE38B EQ PUSH2 0x147 JUMPI JUMPDEST PUSH1 0x2 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xC6 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2337 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST STOP JUMPDEST PUSH2 0xDB PUSH2 0xD6 CALLDATASIZE PUSH1 0x4 PUSH2 0x1DA0 JUMP JUMPDEST PUSH2 0x167 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xE9 SWAP3 SWAP2 SWAP1 PUSH2 0x2437 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xFE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xC6 PUSH2 0x10D CALLDATASIZE PUSH1 0x4 PUSH2 0x1E9B JUMP JUMPDEST PUSH2 0x2F7 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x11E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x127 PUSH2 0x388 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xE9 SWAP2 SWAP1 PUSH2 0x22E6 JUMP JUMPDEST PUSH2 0xDB PUSH2 0x142 CALLDATASIZE PUSH1 0x4 PUSH2 0x1CBA JUMP JUMPDEST PUSH2 0x3A4 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x153 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xC6 PUSH2 0x162 CALLDATASIZE PUSH1 0x4 PUSH2 0x1C94 JUMP JUMPDEST PUSH2 0x50A JUMP JUMPDEST PUSH2 0x16F PUSH2 0x19A9 JUMP JUMPDEST PUSH2 0x177 PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0x182 PUSH2 0x5BB JUMP JUMPDEST PUSH1 0x4 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x1F PUSH1 0x2 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH2 0x100 PUSH1 0x1 DUP9 AND ISZERO MUL ADD SWAP1 SWAP6 AND SWAP5 SWAP1 SWAP5 DIV SWAP4 DUP5 ADD DUP2 SWAP1 DIV DUP2 MUL DUP3 ADD DUP2 ADD SWAP1 SWAP3 MSTORE DUP3 DUP2 MSTORE PUSH2 0x25C SWAP4 SWAP1 SWAP3 SWAP1 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x22D JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x202 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x22D JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x210 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP DUP13 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x241 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x140 ADD MLOAD SWAP1 PUSH4 0xFFFFFFFF PUSH2 0x696 AND JUMP JUMPDEST ISZERO PUSH2 0x287 JUMPI PUSH2 0x26C DUP12 DUP12 DUP12 PUSH2 0x7C3 JUMP JUMPDEST SWAP4 POP PUSH2 0x280 DUP5 PUSH1 0x0 ADD MLOAD DUP6 PUSH1 0x60 ADD MLOAD PUSH2 0xACB JUMP JUMPDEST SWAP1 POP PUSH2 0x2AE JUMP JUMPDEST PUSH2 0x292 DUP12 DUP12 DUP12 PUSH2 0xB0D JUMP JUMPDEST SWAP4 POP DUP4 PUSH1 0x60 ADD MLOAD SWAP2 POP PUSH2 0x2A6 DUP9 DUP4 DUP10 PUSH2 0x7C3 JUMP JUMPDEST DUP5 MLOAD SWAP1 SWAP4 POP SWAP1 POP JUMPDEST PUSH2 0x2C2 DUP5 PUSH1 0x20 ADD MLOAD DUP5 PUSH1 0x20 ADD MLOAD DUP9 DUP9 PUSH2 0xD1F JUMP JUMPDEST PUSH2 0x2E9 DUP12 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x2D4 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x140 ADD MLOAD DUP3 PUSH2 0xF33 JUMP JUMPDEST POP POP SWAP8 POP SWAP8 SWAP6 POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x348 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23E7 JUMP JUMPDEST PUSH2 0x383 DUP4 DUP4 DUP1 DUP1 PUSH1 0x1F ADD PUSH1 0x20 DUP1 SWAP2 DIV MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP4 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP4 DUP4 DUP1 DUP3 DUP5 CALLDATACOPY POP DUP8 SWAP5 POP PUSH2 0xF33 SWAP4 POP POP POP POP JUMP JUMPDEST POP POP POP JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH2 0x3AC PUSH2 0x19A9 JUMP JUMPDEST PUSH2 0x3B4 PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH2 0x3C1 PUSH2 0x5BB JUMP JUMPDEST PUSH1 0x4 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x1F PUSH1 0x2 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH2 0x100 PUSH1 0x1 DUP9 AND ISZERO MUL ADD SWAP1 SWAP6 AND SWAP5 SWAP1 SWAP5 DIV SWAP4 DUP5 ADD DUP2 SWAP1 DIV DUP2 MUL DUP3 ADD DUP2 ADD SWAP1 SWAP3 MSTORE DUP3 DUP2 MSTORE PUSH2 0x441 SWAP4 SWAP1 SWAP3 SWAP1 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x22D JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x202 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x22D JUMP JUMPDEST ISZERO PUSH2 0x492 JUMPI PUSH2 0x46A PUSH8 0xDE0B6B3A7640000 PUSH2 0x464 PUSH8 0xDE0B6B3A7640000 DUP11 PUSH2 0x104F JUMP JUMPDEST CALLVALUE PUSH2 0x1099 JUMP JUMPDEST SWAP3 POP PUSH2 0x477 DUP12 DUP5 DUP13 PUSH2 0x10F1 JUMP JUMPDEST SWAP5 POP PUSH2 0x48B DUP6 PUSH1 0x0 ADD MLOAD DUP7 PUSH1 0x60 ADD MLOAD PUSH2 0xACB JUMP JUMPDEST SWAP1 POP PUSH2 0x4D6 JUMP JUMPDEST PUSH2 0x4AD PUSH8 0xD2F13F7789F0000 PUSH8 0xDE0B6B3A7640000 CALLVALUE PUSH2 0x1099 JUMP JUMPDEST SWAP3 POP PUSH2 0x4BA DUP12 DUP5 DUP13 PUSH2 0x10F1 JUMP JUMPDEST SWAP5 POP DUP5 PUSH1 0x60 ADD MLOAD SWAP2 POP PUSH2 0x4CE DUP10 DUP4 DUP11 PUSH2 0x7C3 JUMP JUMPDEST DUP6 MLOAD SWAP1 SWAP5 POP SWAP1 POP JUMPDEST PUSH2 0x4EA DUP6 PUSH1 0x20 ADD MLOAD DUP6 PUSH1 0x20 ADD MLOAD DUP10 DUP10 PUSH2 0xD1F JUMP JUMPDEST PUSH2 0x4FC DUP12 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x2D4 JUMPI INVALID JUMPDEST POP POP POP SWAP7 POP SWAP7 SWAP5 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x55B JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23E7 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0x5B8 JUMPI PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND OR SWAP1 SSTORE JUMPDEST POP JUMP JUMPDEST PUSH1 0x0 CALLVALUE GT PUSH2 0x5F5 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2347 JUMP JUMPDEST PUSH1 0x2 PUSH1 0x0 SWAP1 SLOAD SWAP1 PUSH2 0x100 EXP SWAP1 DIV PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH4 0xD0E30DB0 CALLVALUE PUSH1 0x40 MLOAD DUP3 PUSH4 0xFFFFFFFF AND PUSH29 0x100000000000000000000000000000000000000000000000000000000 MUL DUP2 MSTORE PUSH1 0x4 ADD PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 DUP6 DUP9 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x67B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x68F JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 MLOAD DUP4 MLOAD EQ DUP1 ISZERO PUSH2 0x7BA JUMPI POP DUP2 PUSH1 0x40 MLOAD DUP1 DUP3 DUP1 MLOAD SWAP1 PUSH1 0x20 ADD SWAP1 DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x6F2 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x6B5 JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 MLOAD SWAP2 SWAP1 SWAP4 ADD DUP2 SWAP1 SUB DUP2 KECCAK256 DUP9 MLOAD SWAP1 SWAP6 POP DUP9 SWAP5 POP SWAP1 SWAP3 DUP4 SWAP3 POP DUP5 ADD SWAP1 DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x787 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x74A JUMP JUMPDEST PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB DUP1 NOT DUP3 MLOAD AND DUP2 DUP5 MLOAD AND DUP1 DUP3 OR DUP6 MSTORE POP POP POP POP POP POP SWAP1 POP ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 KECCAK256 PUSH1 0x0 NOT AND EQ JUMPDEST SWAP1 POP JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH2 0x7CB PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 PUSH2 0x7DE PUSH2 0x19A9 JUMP JUMPDEST DUP11 ISZERO ISZERO PUSH2 0x7EA JUMPI PUSH2 0xABC JUMP JUMPDEST PUSH1 0x4 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x88E JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x863 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x88E JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x871 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP PUSH1 0x5 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x1F PUSH1 0x2 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH2 0x100 PUSH1 0x1 DUP9 AND ISZERO MUL ADD SWAP1 SWAP6 AND SWAP5 SWAP1 SWAP5 DIV SWAP4 DUP5 ADD DUP2 SWAP1 DIV DUP2 MUL DUP3 ADD DUP2 ADD SWAP1 SWAP3 MSTORE DUP3 DUP2 MSTORE SWAP7 SWAP15 POP SWAP2 SWAP5 POP SWAP3 POP DUP5 ADD SWAP1 POP DUP3 DUP3 DUP1 ISZERO PUSH2 0x93D JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x912 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x93D JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x920 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP SWAP7 POP PUSH1 0x0 SWAP6 POP DUP12 MLOAD SWAP5 POP PUSH1 0x0 SWAP4 POP JUMPDEST DUP4 DUP6 EQ PUSH2 0xA82 JUMPI DUP8 DUP13 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x967 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x140 ADD MSTORE DUP12 MLOAD DUP8 SWAP1 DUP14 SWAP1 DUP7 SWAP1 DUP2 LT PUSH2 0x986 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x160 ADD MSTORE PUSH2 0x99F DUP12 DUP8 PUSH2 0xACB JUMP JUMPDEST SWAP3 POP PUSH2 0xA06 DUP13 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x9B2 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0xA0 ADD MLOAD PUSH2 0xA00 DUP15 DUP8 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x9D1 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0x80 ADD MLOAD DUP16 DUP9 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x9ED JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0xE0 ADD MLOAD PUSH2 0xACB JUMP JUMPDEST DUP6 PUSH2 0x1099 JUMP JUMPDEST SWAP2 POP PUSH2 0xA4B DUP13 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA19 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0xA2E DUP5 PUSH1 0x1 PUSH2 0x104F JUMP JUMPDEST DUP13 DUP8 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA3C JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x1295 JUMP JUMPDEST SWAP1 POP PUSH2 0xA57 DUP10 DUP3 PUSH2 0x130D JUMP JUMPDEST PUSH2 0xA69 DUP10 PUSH1 0x0 ADD MLOAD DUP11 PUSH1 0x60 ADD MLOAD PUSH2 0xACB JUMP JUMPDEST SWAP6 POP DUP11 DUP7 LT PUSH2 0xA77 JUMPI PUSH2 0xA82 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP4 ADD SWAP3 PUSH2 0x951 JUMP JUMPDEST DUP11 DUP7 LT ISZERO PUSH2 0xABC JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23C7 JUMP JUMPDEST POP POP POP POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 GT ISZERO PUSH2 0xB07 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2367 JUMP JUMPDEST POP SWAP1 SUB SWAP1 JUMP JUMPDEST PUSH2 0xB15 PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH2 0xB26 PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x0 DUP12 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xB37 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP2 SWAP1 SWAP2 ADD DUP2 ADD MLOAD PUSH2 0x140 ADD MLOAD PUSH1 0x5 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x2 PUSH1 0x1 DUP5 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP4 AND SWAP3 SWAP1 SWAP3 DIV PUSH1 0x1F DUP2 ADD DUP7 SWAP1 DIV DUP7 MUL DUP4 ADD DUP7 ADD SWAP1 SWAP2 MSTORE DUP1 DUP3 MSTORE SWAP3 SWAP12 POP SWAP3 SWAP1 SWAP2 SWAP1 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0xBEF JUMPI DUP1 PUSH1 0x1F LT PUSH2 0xBC4 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0xBEF JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0xBD2 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP SWAP7 POP DUP12 MLOAD SWAP6 POP PUSH1 0x0 SWAP5 POP JUMPDEST DUP5 DUP7 EQ PUSH2 0xCE5 JUMPI DUP8 DUP13 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xC15 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x140 ADD MSTORE DUP12 MLOAD DUP8 SWAP1 DUP14 SWAP1 DUP8 SWAP1 DUP2 LT PUSH2 0xC34 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x160 ADD MSTORE DUP9 MLOAD PUSH2 0xC50 SWAP1 DUP13 SWAP1 PUSH2 0xACB JUMP JUMPDEST SWAP4 POP PUSH2 0xC93 DUP13 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xC63 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0xA0 ADD MLOAD DUP14 DUP8 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xC7F JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0x80 ADD MLOAD DUP7 PUSH2 0x1099 JUMP JUMPDEST SWAP3 POP PUSH2 0xCBF DUP13 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xCA6 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP5 DUP13 DUP9 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA3C JUMPI INVALID JUMPDEST SWAP2 POP PUSH2 0xCCB DUP10 DUP4 PUSH2 0x130D JUMP JUMPDEST POP DUP8 MLOAD DUP11 DUP2 LT PUSH2 0xCDA JUMPI PUSH2 0xCE5 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP5 ADD SWAP4 PUSH2 0xBFF JUMP JUMPDEST DUP11 DUP2 LT ISZERO PUSH2 0xABC JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23C7 JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 DUP1 PUSH7 0xB1A2BC2EC50000 DUP7 GT ISZERO PUSH2 0xD65 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23F7 JUMP JUMPDEST PUSH2 0xD6F DUP9 DUP9 PUSH2 0x104F JUMP JUMPDEST SWAP4 POP CALLVALUE DUP5 GT ISZERO PUSH2 0xDAB JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2357 JUMP JUMPDEST PUSH2 0xDB5 CALLVALUE DUP6 PUSH2 0xACB JUMP JUMPDEST SWAP3 POP PUSH2 0xDCA DUP7 PUSH8 0xDE0B6B3A7640000 DUP11 PUSH2 0x1099 JUMP JUMPDEST SWAP2 POP DUP3 DUP3 GT ISZERO PUSH2 0xE06 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23D7 JUMP JUMPDEST PUSH1 0x0 DUP4 GT ISZERO PUSH2 0xF29 JUMPI PUSH1 0x2 SLOAD PUSH1 0x40 MLOAD PUSH32 0x2E1A7D4D00000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP2 AND SWAP1 PUSH4 0x2E1A7D4D SWAP1 PUSH2 0xE65 SWAP1 DUP7 SWAP1 PUSH1 0x4 ADD PUSH2 0x2453 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0xE7F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0xE93 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x0 DUP3 GT ISZERO PUSH2 0xEE5 JUMPI PUSH1 0x40 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 AND SWAP1 DUP4 ISZERO PUSH2 0x8FC MUL SWAP1 DUP5 SWAP1 PUSH1 0x0 DUP2 DUP2 DUP2 DUP6 DUP9 DUP9 CALL SWAP4 POP POP POP POP ISZERO DUP1 ISZERO PUSH2 0xEE3 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP JUMPDEST PUSH2 0xEEF DUP4 DUP4 PUSH2 0xACB JUMP JUMPDEST SWAP1 POP PUSH1 0x0 DUP2 GT ISZERO PUSH2 0xF29 JUMPI PUSH1 0x40 MLOAD CALLER SWAP1 DUP3 ISZERO PUSH2 0x8FC MUL SWAP1 DUP4 SWAP1 PUSH1 0x0 DUP2 DUP2 DUP2 DUP6 DUP9 DUP9 CALL SWAP4 POP POP POP POP ISZERO DUP1 ISZERO PUSH2 0xF27 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP JUMPDEST POP POP POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0xF45 DUP4 DUP3 PUSH4 0xFFFFFFFF PUSH2 0x136F AND JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x4552433230546F6B656E28616464726573732900000000000000000000000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x13 ADD SWAP1 KECCAK256 SWAP1 SWAP2 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP1 DUP4 AND SWAP2 AND EQ ISZERO PUSH2 0xFB5 JUMPI PUSH2 0xFB0 DUP4 DUP4 PUSH2 0x13DC JUMP JUMPDEST PUSH2 0x383 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x455243373231546F6B656E28616464726573732C75696E743235362900000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x1C ADD SWAP1 KECCAK256 PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP3 DUP2 AND SWAP2 AND EQ ISZERO PUSH2 0x101D JUMPI PUSH2 0xFB0 DUP4 DUP4 PUSH2 0x15CA JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23A7 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 ADD DUP4 DUP2 LT ISZERO PUSH2 0x108E JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2397 JUMP JUMPDEST DUP1 SWAP2 POP JUMPDEST POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP4 GT PUSH2 0x10D4 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2387 JUMP JUMPDEST PUSH2 0x10E7 PUSH2 0x10E1 DUP6 DUP5 PUSH2 0x16B2 JUMP JUMPDEST DUP5 PUSH2 0x170D JUMP JUMPDEST SWAP1 POP JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH2 0x10F9 PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 PUSH2 0x1109 PUSH2 0x19A9 JUMP JUMPDEST DUP10 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1118 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP2 SWAP1 SWAP2 ADD DUP2 ADD MLOAD PUSH2 0x140 ADD MLOAD PUSH1 0x5 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x2 PUSH1 0x1 DUP5 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP4 AND SWAP3 SWAP1 SWAP3 DIV PUSH1 0x1F DUP2 ADD DUP7 SWAP1 DIV DUP7 MUL DUP4 ADD DUP7 ADD SWAP1 SWAP2 MSTORE DUP1 DUP3 MSTORE SWAP3 SWAP10 POP SWAP3 SWAP1 SWAP2 SWAP1 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x11D0 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x11A5 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x11D0 JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x11B3 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP SWAP5 POP DUP10 MLOAD SWAP4 POP PUSH1 0x0 SWAP3 POP JUMPDEST DUP3 DUP5 EQ PUSH2 0x1288 JUMPI DUP6 DUP11 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x11F6 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x140 ADD MSTORE DUP10 MLOAD DUP6 SWAP1 DUP12 SWAP1 DUP6 SWAP1 DUP2 LT PUSH2 0x1215 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x160 ADD DUP2 SWAP1 MSTORE POP PUSH2 0x1235 DUP10 DUP9 PUSH1 0x20 ADD MLOAD PUSH2 0xACB JUMP JUMPDEST SWAP2 POP PUSH2 0x1261 DUP11 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1248 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP4 DUP11 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA3C JUMPI INVALID JUMPDEST SWAP1 POP PUSH2 0x126D DUP8 DUP3 PUSH2 0x130D JUMP JUMPDEST PUSH1 0x20 DUP8 ADD MLOAD DUP10 GT PUSH2 0x127D JUMPI PUSH2 0x1288 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP3 ADD SWAP2 PUSH2 0x11E0 JUMP JUMPDEST POP POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH2 0x129D PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x0 PUSH2 0x12AC DUP7 DUP7 DUP7 PUSH2 0x1724 JUMP JUMPDEST PUSH1 0x1 SLOAD DUP2 MLOAD SWAP2 SWAP4 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP2 POP PUSH1 0x80 SWAP1 DUP4 SWAP1 PUSH1 0x20 DUP3 ADD PUSH1 0x0 DUP6 GAS CALL DUP1 ISZERO PUSH2 0x1303 JUMPI DUP3 MLOAD DUP5 MSTORE PUSH1 0x20 DUP4 ADD MLOAD PUSH1 0x20 DUP6 ADD MSTORE PUSH1 0x40 DUP4 ADD MLOAD PUSH1 0x40 DUP6 ADD MSTORE PUSH1 0x60 DUP4 ADD MLOAD PUSH1 0x60 DUP6 ADD MSTORE JUMPDEST POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST DUP2 MLOAD DUP2 MLOAD PUSH2 0x131B SWAP2 SWAP1 PUSH2 0x104F JUMP JUMPDEST DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 ADD MLOAD SWAP1 DUP3 ADD MLOAD PUSH2 0x1331 SWAP2 SWAP1 PUSH2 0x104F JUMP JUMPDEST PUSH1 0x20 DUP4 ADD MSTORE PUSH1 0x40 DUP1 DUP4 ADD MLOAD SWAP1 DUP3 ADD MLOAD PUSH2 0x134A SWAP2 SWAP1 PUSH2 0x104F JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MSTORE PUSH1 0x60 DUP1 DUP4 ADD MLOAD SWAP1 DUP3 ADD MLOAD PUSH2 0x1363 SWAP2 SWAP1 PUSH2 0x104F JUMP JUMPDEST PUSH1 0x60 SWAP1 SWAP3 ADD SWAP2 SWAP1 SWAP2 MSTORE POP JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x4 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x13B1 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2417 JUMP JUMPDEST POP ADD PUSH1 0x20 ADD MLOAD PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0x13F0 DUP5 PUSH1 0x10 PUSH4 0xFFFFFFFF PUSH2 0x18F6 AND JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x7472616E7366657228616464726573732C75696E743235362900000000000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x19 ADD DUP2 KECCAK256 SWAP2 SWAP4 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND SWAP2 SWAP1 PUSH2 0x144E SWAP1 CALLER SWAP1 DUP8 SWAP1 PUSH1 0x24 ADD PUSH2 0x231C JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 DUP2 DUP5 SUB ADD DUP2 MSTORE SWAP2 DUP2 MSTORE PUSH1 0x20 DUP3 ADD DUP1 MLOAD PUSH28 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 OR DUP4 MSTORE MLOAD DUP2 MLOAD SWAP2 SWAP3 SWAP1 SWAP2 DUP3 SWAP2 SWAP1 DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x14F2 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x14DA JUMP JUMPDEST POP POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x151F JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP2 POP POP PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP7 GAS CALL SWAP3 POP POP POP DUP1 ISZERO ISZERO PUSH2 0x156E JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23B7 JUMP JUMPDEST RETURNDATASIZE ISZERO PUSH2 0x158B JUMPI POP PUSH1 0x0 RETURNDATASIZE PUSH1 0x20 EQ ISZERO PUSH2 0x158B JUMPI PUSH1 0x20 PUSH1 0x0 DUP1 RETURNDATACOPY POP PUSH1 0x0 MLOAD JUMPDEST DUP1 ISZERO ISZERO PUSH2 0x15C4 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23B7 JUMP JUMPDEST POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x1 DUP4 EQ PUSH2 0x1607 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2427 JUMP JUMPDEST PUSH2 0x1618 DUP5 PUSH1 0x10 PUSH4 0xFFFFFFFF PUSH2 0x18F6 AND JUMP JUMPDEST SWAP2 POP PUSH2 0x162B DUP5 PUSH1 0x24 PUSH4 0xFFFFFFFF PUSH2 0x1957 AND JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH32 0x23B872DD00000000000000000000000000000000000000000000000000000000 DUP2 MSTORE SWAP1 SWAP2 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND SWAP1 PUSH4 0x23B872DD SWAP1 PUSH2 0x1684 SWAP1 ADDRESS SWAP1 CALLER SWAP1 DUP7 SWAP1 PUSH1 0x4 ADD PUSH2 0x22F4 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x169E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0xF29 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST PUSH1 0x0 DUP1 DUP4 ISZERO ISZERO PUSH2 0x16C5 JUMPI PUSH1 0x0 SWAP2 POP PUSH2 0x1092 JUMP JUMPDEST POP DUP3 DUP3 MUL DUP3 DUP5 DUP3 DUP2 ISZERO ISZERO PUSH2 0x16D5 JUMPI INVALID JUMPDEST DIV EQ PUSH2 0x108E JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2397 JUMP JUMPDEST PUSH1 0x0 DUP1 DUP3 DUP5 DUP2 ISZERO ISZERO PUSH2 0x171B JUMPI INVALID JUMPDEST DIV SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0xB4BE83D500000000000000000000000000000000000000000000000000000000 PUSH1 0x20 DUP1 DUP4 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0x60 PUSH1 0x24 DUP4 ADD DUP2 DUP2 MSTORE DUP8 MLOAD PUSH1 0x84 DUP6 ADD SWAP1 DUP2 MSTORE DUP9 DUP5 ADD MLOAD PUSH1 0xA4 DUP7 ADD MSTORE SWAP5 DUP9 ADD MLOAD PUSH1 0xC4 DUP6 ADD MSTORE SWAP1 DUP8 ADD MLOAD PUSH1 0xE4 DUP5 ADD MSTORE PUSH1 0x80 DUP8 ADD MLOAD PUSH2 0x104 DUP5 ADD MSTORE PUSH1 0xA0 DUP8 ADD MLOAD PUSH2 0x124 DUP5 ADD MSTORE PUSH1 0xC0 DUP8 ADD MLOAD PUSH2 0x144 DUP5 ADD MSTORE PUSH1 0xE0 DUP8 ADD MLOAD PUSH2 0x164 DUP5 ADD MSTORE PUSH2 0x100 DUP8 ADD MLOAD PUSH2 0x184 DUP5 ADD MSTORE PUSH2 0x120 DUP8 ADD MLOAD PUSH2 0x1A4 DUP5 ADD MSTORE PUSH2 0x140 DUP8 ADD DUP1 MLOAD PUSH2 0x1C4 DUP6 ADD SWAP1 DUP2 MSTORE PUSH2 0x160 DUP10 ADD MLOAD PUSH2 0x1E4 DUP7 ADD MSTORE PUSH2 0x180 SWAP1 MSTORE MLOAD DUP1 MLOAD PUSH2 0x204 DUP6 ADD DUP2 SWAP1 MSTORE SWAP4 SWAP5 SWAP2 SWAP4 DUP5 SWAP4 PUSH1 0x44 DUP8 ADD SWAP3 DUP5 SWAP3 PUSH2 0x224 DUP10 ADD SWAP3 SWAP2 DUP3 ADD SWAP2 PUSH1 0x1F DUP3 ADD DIV PUSH1 0x0 JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x182B JUMPI DUP4 MLOAD DUP6 MSTORE PUSH1 0x20 SWAP5 DUP6 ADD SWAP5 SWAP1 SWAP4 ADD SWAP3 PUSH1 0x1 ADD PUSH2 0x180D JUMP JUMPDEST POP POP POP POP DUP2 DUP2 SUB PUSH2 0x160 DUP1 DUP5 ADD SWAP2 SWAP1 SWAP2 MSTORE DUP11 ADD MLOAD DUP1 MLOAD DUP1 DUP4 MSTORE PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 DUP3 ADD SWAP2 PUSH1 0x1F DUP3 ADD DIV PUSH1 0x0 JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x1874 JUMPI DUP4 MLOAD DUP6 MSTORE PUSH1 0x20 SWAP5 DUP6 ADD SWAP5 SWAP1 SWAP4 ADD SWAP3 PUSH1 0x1 ADD PUSH2 0x1856 JUMP JUMPDEST POP POP POP DUP10 DUP5 MSTORE POP DUP5 DUP2 SUB PUSH1 0x20 SWAP4 DUP5 ADD SWAP1 DUP2 MSTORE DUP9 MLOAD DUP1 DUP4 MSTORE SWAP1 SWAP4 SWAP2 DUP3 ADD SWAP2 DUP10 DUP2 ADD SWAP2 SWAP1 PUSH1 0x1F DUP3 ADD DIV PUSH1 0x0 JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x18BC JUMPI DUP4 MLOAD DUP6 MSTORE PUSH1 0x20 SWAP5 DUP6 ADD SWAP5 SWAP1 SWAP4 ADD SWAP3 PUSH1 0x1 ADD PUSH2 0x189E JUMP JUMPDEST POP POP POP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 DUP9 DUP4 SUB ADD DUP9 MSTORE POP PUSH1 0x40 MSTORE POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x14 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x1938 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2407 JUMP JUMPDEST POP ADD PUSH1 0x14 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x7BA DUP4 DUP4 PUSH1 0x0 DUP2 PUSH1 0x20 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x19A0 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2377 JUMP JUMPDEST POP ADD PUSH1 0x20 ADD MLOAD SWAP1 JUMP JUMPDEST PUSH1 0x80 PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE POP SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x7BA DUP3 CALLDATALOAD PUSH2 0x24EF JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x19EF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x1A02 PUSH2 0x19FD DUP3 PUSH2 0x2488 JUMP JUMPDEST PUSH2 0x2461 JUMP JUMPDEST DUP2 DUP2 MSTORE PUSH1 0x20 SWAP4 DUP5 ADD SWAP4 SWAP1 SWAP3 POP DUP3 ADD DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x1A40 JUMPI DUP2 CALLDATALOAD DUP7 ADD PUSH2 0x1A2A DUP9 DUP3 PUSH2 0x1AF0 JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0x1A14 JUMP JUMPDEST POP POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x1A5B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x1A69 PUSH2 0x19FD DUP3 PUSH2 0x2488 JUMP JUMPDEST DUP2 DUP2 MSTORE PUSH1 0x20 SWAP4 DUP5 ADD SWAP4 SWAP1 SWAP3 POP DUP3 ADD DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x1A40 JUMPI DUP2 CALLDATALOAD DUP7 ADD PUSH2 0x1A91 DUP9 DUP3 PUSH2 0x1B3F JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0x1A7B JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x1F DUP4 ADD DUP5 SGT PUSH2 0x1AB9 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP DUP2 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1AD1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x20 DUP4 ADD SWAP2 POP DUP4 PUSH1 0x1 DUP3 MUL DUP4 ADD GT ISZERO PUSH2 0x1AE9 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x1B01 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x1B0F PUSH2 0x19FD DUP3 PUSH2 0x24A9 JUMP JUMPDEST SWAP2 POP DUP1 DUP3 MSTORE PUSH1 0x20 DUP4 ADD PUSH1 0x20 DUP4 ADD DUP6 DUP4 DUP4 ADD GT ISZERO PUSH2 0x1B2B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1B36 DUP4 DUP3 DUP5 PUSH2 0x250B JUMP JUMPDEST POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x180 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x1B52 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1B5D PUSH2 0x180 PUSH2 0x2461 JUMP JUMPDEST SWAP1 POP PUSH1 0x0 PUSH2 0x1B6B DUP5 DUP5 PUSH2 0x19D2 JUMP JUMPDEST DUP3 MSTORE POP PUSH1 0x20 PUSH2 0x1B7C DUP5 DUP5 DUP4 ADD PUSH2 0x19D2 JUMP JUMPDEST PUSH1 0x20 DUP4 ADD MSTORE POP PUSH1 0x40 PUSH2 0x1B90 DUP5 DUP3 DUP6 ADD PUSH2 0x19D2 JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MSTORE POP PUSH1 0x60 PUSH2 0x1BA4 DUP5 DUP3 DUP6 ADD PUSH2 0x19D2 JUMP JUMPDEST PUSH1 0x60 DUP4 ADD MSTORE POP PUSH1 0x80 PUSH2 0x1BB8 DUP5 DUP3 DUP6 ADD PUSH2 0x1C88 JUMP JUMPDEST PUSH1 0x80 DUP4 ADD MSTORE POP PUSH1 0xA0 PUSH2 0x1BCC DUP5 DUP3 DUP6 ADD PUSH2 0x1C88 JUMP JUMPDEST PUSH1 0xA0 DUP4 ADD MSTORE POP PUSH1 0xC0 PUSH2 0x1BE0 DUP5 DUP3 DUP6 ADD PUSH2 0x1C88 JUMP JUMPDEST PUSH1 0xC0 DUP4 ADD MSTORE POP PUSH1 0xE0 PUSH2 0x1BF4 DUP5 DUP3 DUP6 ADD PUSH2 0x1C88 JUMP JUMPDEST PUSH1 0xE0 DUP4 ADD MSTORE POP PUSH2 0x100 PUSH2 0x1C09 DUP5 DUP3 DUP6 ADD PUSH2 0x1C88 JUMP JUMPDEST PUSH2 0x100 DUP4 ADD MSTORE POP PUSH2 0x120 PUSH2 0x1C1F DUP5 DUP3 DUP6 ADD PUSH2 0x1C88 JUMP JUMPDEST PUSH2 0x120 DUP4 ADD MSTORE POP PUSH2 0x140 DUP3 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1C41 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1C4D DUP5 DUP3 DUP6 ADD PUSH2 0x1AF0 JUMP JUMPDEST PUSH2 0x140 DUP4 ADD MSTORE POP PUSH2 0x160 DUP3 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1C6F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1C7B DUP5 DUP3 DUP6 ADD PUSH2 0x1AF0 JUMP JUMPDEST PUSH2 0x160 DUP4 ADD MSTORE POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x7BA DUP3 CALLDATALOAD PUSH2 0x2508 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x1CA6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x1CB2 DUP5 DUP5 PUSH2 0x19D2 JUMP JUMPDEST SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0xC0 DUP8 DUP10 SUB SLT ISZERO PUSH2 0x1CD3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP7 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1CEA JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1CF6 DUP10 DUP3 DUP11 ADD PUSH2 0x1A4A JUMP JUMPDEST SWAP7 POP POP PUSH1 0x20 DUP8 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1D13 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1D1F DUP10 DUP3 DUP11 ADD PUSH2 0x19DE JUMP JUMPDEST SWAP6 POP POP PUSH1 0x40 DUP8 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1D3C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1D48 DUP10 DUP3 DUP11 ADD PUSH2 0x1A4A JUMP JUMPDEST SWAP5 POP POP PUSH1 0x60 DUP8 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1D65 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1D71 DUP10 DUP3 DUP11 ADD PUSH2 0x19DE JUMP JUMPDEST SWAP4 POP POP PUSH1 0x80 PUSH2 0x1D82 DUP10 DUP3 DUP11 ADD PUSH2 0x1C88 JUMP JUMPDEST SWAP3 POP POP PUSH1 0xA0 PUSH2 0x1D93 DUP10 DUP3 DUP11 ADD PUSH2 0x19D2 JUMP JUMPDEST SWAP2 POP POP SWAP3 SWAP6 POP SWAP3 SWAP6 POP SWAP3 SWAP6 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0xE0 DUP9 DUP11 SUB SLT ISZERO PUSH2 0x1DBB JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP8 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1DD2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1DDE DUP11 DUP3 DUP12 ADD PUSH2 0x1A4A JUMP JUMPDEST SWAP8 POP POP PUSH1 0x20 PUSH2 0x1DEF DUP11 DUP3 DUP12 ADD PUSH2 0x1C88 JUMP JUMPDEST SWAP7 POP POP PUSH1 0x40 DUP9 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1E0C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1E18 DUP11 DUP3 DUP12 ADD PUSH2 0x19DE JUMP JUMPDEST SWAP6 POP POP PUSH1 0x60 DUP9 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1E35 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1E41 DUP11 DUP3 DUP12 ADD PUSH2 0x1A4A JUMP JUMPDEST SWAP5 POP POP PUSH1 0x80 DUP9 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1E5E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1E6A DUP11 DUP3 DUP12 ADD PUSH2 0x19DE JUMP JUMPDEST SWAP4 POP POP PUSH1 0xA0 PUSH2 0x1E7B DUP11 DUP3 DUP12 ADD PUSH2 0x1C88 JUMP JUMPDEST SWAP3 POP POP PUSH1 0xC0 PUSH2 0x1E8C DUP11 DUP3 DUP12 ADD PUSH2 0x19D2 JUMP JUMPDEST SWAP2 POP POP SWAP3 SWAP6 SWAP9 SWAP2 SWAP5 SWAP8 POP SWAP3 SWAP6 POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x40 DUP5 DUP7 SUB SLT ISZERO PUSH2 0x1EB0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP4 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1EC7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1ED3 DUP7 DUP3 DUP8 ADD PUSH2 0x1AA7 JUMP JUMPDEST SWAP4 POP SWAP4 POP POP PUSH1 0x20 PUSH2 0x1EE6 DUP7 DUP3 DUP8 ADD PUSH2 0x1C88 JUMP JUMPDEST SWAP2 POP POP SWAP3 POP SWAP3 POP SWAP3 JUMP JUMPDEST PUSH2 0x1EF9 DUP2 PUSH2 0x24EF JUMP JUMPDEST DUP3 MSTORE POP POP JUMP JUMPDEST PUSH1 0x23 DUP2 MSTORE PUSH32 0x44454641554C545F46554E4354494F4E5F574554485F434F4E54524143545F4F PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x4E4C590000000000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x11 DUP2 MSTORE PUSH32 0x494E56414C49445F4D53475F56414C5545000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xD DUP2 MSTORE PUSH32 0x4F564552534F4C445F5745544800000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x11 DUP2 MSTORE PUSH32 0x55494E543235365F554E444552464C4F57000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x26 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F33325F4C454E4754485F5245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5155495245440000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x10 DUP2 MSTORE PUSH32 0x4449564953494F4E5F42595F5A45524F00000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x10 DUP2 MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x17 DUP2 MSTORE PUSH32 0x554E535550504F525445445F41535345545F50524F5859000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xF DUP2 MSTORE PUSH32 0x5452414E534645525F4641494C45440000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x14 DUP2 MSTORE PUSH32 0x434F4D504C4554455F46494C4C5F4641494C4544000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x1A DUP2 MSTORE PUSH32 0x494E53554646494349454E545F4554485F52454D41494E494E47000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x13 DUP2 MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x18 DUP2 MSTORE PUSH32 0x4645455F50455243454E544147455F544F4F5F4C415247450000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x26 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F32305F4C454E4754485F5245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5155495245440000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x25 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F345F4C454E4754485F524551 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5549524544000000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0xE DUP2 MSTORE PUSH32 0x494E56414C49445F414D4F554E54000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST DUP1 MLOAD PUSH1 0x80 DUP4 ADD SWAP1 PUSH2 0x22A8 DUP5 DUP3 PUSH2 0x22DD JUMP JUMPDEST POP PUSH1 0x20 DUP3 ADD MLOAD PUSH2 0x22BB PUSH1 0x20 DUP6 ADD DUP3 PUSH2 0x22DD JUMP JUMPDEST POP PUSH1 0x40 DUP3 ADD MLOAD PUSH2 0x22CE PUSH1 0x40 DUP6 ADD DUP3 PUSH2 0x22DD JUMP JUMPDEST POP PUSH1 0x60 DUP3 ADD MLOAD PUSH2 0x15C4 PUSH1 0x60 DUP6 ADD DUP3 JUMPDEST PUSH2 0x1EF9 DUP2 PUSH2 0x2508 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x7BD DUP3 DUP5 PUSH2 0x1EF0 JUMP JUMPDEST PUSH1 0x60 DUP2 ADD PUSH2 0x2302 DUP3 DUP7 PUSH2 0x1EF0 JUMP JUMPDEST PUSH2 0x230F PUSH1 0x20 DUP4 ADD DUP6 PUSH2 0x1EF0 JUMP JUMPDEST PUSH2 0x1CB2 PUSH1 0x40 DUP4 ADD DUP5 PUSH2 0x22DD JUMP JUMPDEST PUSH1 0x40 DUP2 ADD PUSH2 0x232A DUP3 DUP6 PUSH2 0x1EF0 JUMP JUMPDEST PUSH2 0x10EA PUSH1 0x20 DUP4 ADD DUP5 PUSH2 0x22DD JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x1EFF JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x1F55 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x1F85 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x1FB5 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x1FE5 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x203B JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x206B JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x209B JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x20CB JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x20FB JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x212B JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x215B JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x218B JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x21BB JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x2211 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x2267 JUMP JUMPDEST PUSH2 0x100 DUP2 ADD PUSH2 0x2446 DUP3 DUP6 PUSH2 0x2297 JUMP JUMPDEST PUSH2 0x10EA PUSH1 0x80 DUP4 ADD DUP5 PUSH2 0x2297 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x7BD DUP3 DUP5 PUSH2 0x22DD JUMP JUMPDEST PUSH1 0x40 MLOAD DUP2 DUP2 ADD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT DUP3 DUP3 LT OR ISZERO PUSH2 0x2480 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x40 MSTORE SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH8 0xFFFFFFFFFFFFFFFF DUP3 GT ISZERO PUSH2 0x249F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x20 SWAP1 DUP2 MUL ADD SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH8 0xFFFFFFFFFFFFFFFF DUP3 GT ISZERO PUSH2 0x24C0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x20 PUSH1 0x1F SWAP2 SWAP1 SWAP2 ADD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 AND ADD SWAP1 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST SWAP1 JUMP JUMPDEST DUP3 DUP2 DUP4 CALLDATACOPY POP PUSH1 0x0 SWAP2 ADD MSTORE JUMP STOP LOG2 PUSH6 0x627A7A723058 KECCAK256 XOR GAS DELEGATECALL 0xa5 0xe8 MSTORE JUMPDEST 0xc KECCAK256 SWAP9 EXTCODESIZE CALLCODE 0x2c MULMOD PUSH24 0x3A1CAB3F704716CBA4C8DA3B112601CD666C657870657269 PUSH14 0x656E74616CF50037000000000000 ", - "sourceMap": 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- "opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0x6C JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x18978E82 DUP2 EQ PUSH2 0xC8 JUMPI DUP1 PUSH4 0x630F1E6C EQ PUSH2 0xF2 JUMPI DUP1 PUSH4 0x8DA5CB5B EQ PUSH2 0x112 JUMPI DUP1 PUSH4 0x9395525C EQ PUSH2 0x134 JUMPI DUP1 PUSH4 0xF2FDE38B EQ PUSH2 0x147 JUMPI JUMPDEST PUSH1 0x2 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xC6 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2337 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST STOP JUMPDEST PUSH2 0xDB PUSH2 0xD6 CALLDATASIZE PUSH1 0x4 PUSH2 0x1DA0 JUMP JUMPDEST PUSH2 0x167 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xE9 SWAP3 SWAP2 SWAP1 PUSH2 0x2437 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xFE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xC6 PUSH2 0x10D CALLDATASIZE PUSH1 0x4 PUSH2 0x1E9B JUMP JUMPDEST PUSH2 0x2F7 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x11E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x127 PUSH2 0x388 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xE9 SWAP2 SWAP1 PUSH2 0x22E6 JUMP JUMPDEST PUSH2 0xDB PUSH2 0x142 CALLDATASIZE PUSH1 0x4 PUSH2 0x1CBA JUMP JUMPDEST PUSH2 0x3A4 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x153 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xC6 PUSH2 0x162 CALLDATASIZE PUSH1 0x4 PUSH2 0x1C94 JUMP JUMPDEST PUSH2 0x50A JUMP JUMPDEST PUSH2 0x16F PUSH2 0x19A9 JUMP JUMPDEST PUSH2 0x177 PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0x182 PUSH2 0x5BB JUMP JUMPDEST PUSH1 0x4 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x1F PUSH1 0x2 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH2 0x100 PUSH1 0x1 DUP9 AND ISZERO MUL ADD SWAP1 SWAP6 AND SWAP5 SWAP1 SWAP5 DIV SWAP4 DUP5 ADD DUP2 SWAP1 DIV DUP2 MUL DUP3 ADD DUP2 ADD SWAP1 SWAP3 MSTORE DUP3 DUP2 MSTORE PUSH2 0x25C SWAP4 SWAP1 SWAP3 SWAP1 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x22D JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x202 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x22D JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x210 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP DUP13 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x241 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x140 ADD MLOAD SWAP1 PUSH4 0xFFFFFFFF PUSH2 0x696 AND JUMP JUMPDEST ISZERO PUSH2 0x287 JUMPI PUSH2 0x26C DUP12 DUP12 DUP12 PUSH2 0x7C3 JUMP JUMPDEST SWAP4 POP PUSH2 0x280 DUP5 PUSH1 0x0 ADD MLOAD DUP6 PUSH1 0x60 ADD MLOAD PUSH2 0xACB JUMP JUMPDEST SWAP1 POP PUSH2 0x2AE JUMP JUMPDEST PUSH2 0x292 DUP12 DUP12 DUP12 PUSH2 0xB0D JUMP JUMPDEST SWAP4 POP DUP4 PUSH1 0x60 ADD MLOAD SWAP2 POP PUSH2 0x2A6 DUP9 DUP4 DUP10 PUSH2 0x7C3 JUMP JUMPDEST DUP5 MLOAD SWAP1 SWAP4 POP SWAP1 POP JUMPDEST PUSH2 0x2C2 DUP5 PUSH1 0x20 ADD MLOAD DUP5 PUSH1 0x20 ADD MLOAD DUP9 DUP9 PUSH2 0xD1F JUMP JUMPDEST PUSH2 0x2E9 DUP12 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x2D4 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x140 ADD MLOAD DUP3 PUSH2 0xF33 JUMP JUMPDEST POP POP SWAP8 POP SWAP8 SWAP6 POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x348 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23E7 JUMP JUMPDEST PUSH2 0x383 DUP4 DUP4 DUP1 DUP1 PUSH1 0x1F ADD PUSH1 0x20 DUP1 SWAP2 DIV MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP4 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP4 DUP4 DUP1 DUP3 DUP5 CALLDATACOPY POP DUP8 SWAP5 POP PUSH2 0xF33 SWAP4 POP POP POP POP JUMP JUMPDEST POP POP POP JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH2 0x3AC PUSH2 0x19A9 JUMP JUMPDEST PUSH2 0x3B4 PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH2 0x3C1 PUSH2 0x5BB JUMP JUMPDEST PUSH1 0x4 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x1F PUSH1 0x2 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH2 0x100 PUSH1 0x1 DUP9 AND ISZERO MUL ADD SWAP1 SWAP6 AND SWAP5 SWAP1 SWAP5 DIV SWAP4 DUP5 ADD DUP2 SWAP1 DIV DUP2 MUL DUP3 ADD DUP2 ADD SWAP1 SWAP3 MSTORE DUP3 DUP2 MSTORE PUSH2 0x441 SWAP4 SWAP1 SWAP3 SWAP1 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x22D JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x202 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x22D JUMP JUMPDEST ISZERO PUSH2 0x492 JUMPI PUSH2 0x46A PUSH8 0xDE0B6B3A7640000 PUSH2 0x464 PUSH8 0xDE0B6B3A7640000 DUP11 PUSH2 0x104F JUMP JUMPDEST CALLVALUE PUSH2 0x1099 JUMP JUMPDEST SWAP3 POP PUSH2 0x477 DUP12 DUP5 DUP13 PUSH2 0x10F1 JUMP JUMPDEST SWAP5 POP PUSH2 0x48B DUP6 PUSH1 0x0 ADD MLOAD DUP7 PUSH1 0x60 ADD MLOAD PUSH2 0xACB JUMP JUMPDEST SWAP1 POP PUSH2 0x4D6 JUMP JUMPDEST PUSH2 0x4AD PUSH8 0xD2F13F7789F0000 PUSH8 0xDE0B6B3A7640000 CALLVALUE PUSH2 0x1099 JUMP JUMPDEST SWAP3 POP PUSH2 0x4BA DUP12 DUP5 DUP13 PUSH2 0x10F1 JUMP JUMPDEST SWAP5 POP DUP5 PUSH1 0x60 ADD MLOAD SWAP2 POP PUSH2 0x4CE DUP10 DUP4 DUP11 PUSH2 0x7C3 JUMP JUMPDEST DUP6 MLOAD SWAP1 SWAP5 POP SWAP1 POP JUMPDEST PUSH2 0x4EA DUP6 PUSH1 0x20 ADD MLOAD DUP6 PUSH1 0x20 ADD MLOAD DUP10 DUP10 PUSH2 0xD1F JUMP JUMPDEST PUSH2 0x4FC DUP12 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x2D4 JUMPI INVALID JUMPDEST POP POP POP SWAP7 POP SWAP7 SWAP5 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x55B JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23E7 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0x5B8 JUMPI PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND OR SWAP1 SSTORE JUMPDEST POP JUMP JUMPDEST PUSH1 0x0 CALLVALUE GT PUSH2 0x5F5 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2347 JUMP JUMPDEST PUSH1 0x2 PUSH1 0x0 SWAP1 SLOAD SWAP1 PUSH2 0x100 EXP SWAP1 DIV PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH4 0xD0E30DB0 CALLVALUE PUSH1 0x40 MLOAD DUP3 PUSH4 0xFFFFFFFF AND PUSH29 0x100000000000000000000000000000000000000000000000000000000 MUL DUP2 MSTORE PUSH1 0x4 ADD PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 DUP6 DUP9 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x67B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x68F JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 MLOAD DUP4 MLOAD EQ DUP1 ISZERO PUSH2 0x7BA JUMPI POP DUP2 PUSH1 0x40 MLOAD DUP1 DUP3 DUP1 MLOAD SWAP1 PUSH1 0x20 ADD SWAP1 DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x6F2 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x6B5 JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 MLOAD SWAP2 SWAP1 SWAP4 ADD DUP2 SWAP1 SUB DUP2 KECCAK256 DUP9 MLOAD SWAP1 SWAP6 POP DUP9 SWAP5 POP SWAP1 SWAP3 DUP4 SWAP3 POP DUP5 ADD SWAP1 DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x787 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x74A JUMP JUMPDEST PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB DUP1 NOT DUP3 MLOAD AND DUP2 DUP5 MLOAD AND DUP1 DUP3 OR DUP6 MSTORE POP POP POP POP POP POP SWAP1 POP ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 KECCAK256 PUSH1 0x0 NOT AND EQ JUMPDEST SWAP1 POP JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH2 0x7CB PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 PUSH2 0x7DE PUSH2 0x19A9 JUMP JUMPDEST DUP11 ISZERO ISZERO PUSH2 0x7EA JUMPI PUSH2 0xABC JUMP JUMPDEST PUSH1 0x4 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x88E JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x863 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x88E JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x871 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP PUSH1 0x5 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x1F PUSH1 0x2 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH2 0x100 PUSH1 0x1 DUP9 AND ISZERO MUL ADD SWAP1 SWAP6 AND SWAP5 SWAP1 SWAP5 DIV SWAP4 DUP5 ADD DUP2 SWAP1 DIV DUP2 MUL DUP3 ADD DUP2 ADD SWAP1 SWAP3 MSTORE DUP3 DUP2 MSTORE SWAP7 SWAP15 POP SWAP2 SWAP5 POP SWAP3 POP DUP5 ADD SWAP1 POP DUP3 DUP3 DUP1 ISZERO PUSH2 0x93D JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x912 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x93D JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x920 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP SWAP7 POP PUSH1 0x0 SWAP6 POP DUP12 MLOAD SWAP5 POP PUSH1 0x0 SWAP4 POP JUMPDEST DUP4 DUP6 EQ PUSH2 0xA82 JUMPI DUP8 DUP13 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x967 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x140 ADD MSTORE DUP12 MLOAD DUP8 SWAP1 DUP14 SWAP1 DUP7 SWAP1 DUP2 LT PUSH2 0x986 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x160 ADD MSTORE PUSH2 0x99F DUP12 DUP8 PUSH2 0xACB JUMP JUMPDEST SWAP3 POP PUSH2 0xA06 DUP13 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x9B2 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0xA0 ADD MLOAD PUSH2 0xA00 DUP15 DUP8 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x9D1 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0x80 ADD MLOAD DUP16 DUP9 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x9ED JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0xE0 ADD MLOAD PUSH2 0xACB JUMP JUMPDEST DUP6 PUSH2 0x1099 JUMP JUMPDEST SWAP2 POP PUSH2 0xA4B DUP13 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA19 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0xA2E DUP5 PUSH1 0x1 PUSH2 0x104F JUMP JUMPDEST DUP13 DUP8 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA3C JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x1295 JUMP JUMPDEST SWAP1 POP PUSH2 0xA57 DUP10 DUP3 PUSH2 0x130D JUMP JUMPDEST PUSH2 0xA69 DUP10 PUSH1 0x0 ADD MLOAD DUP11 PUSH1 0x60 ADD MLOAD PUSH2 0xACB JUMP JUMPDEST SWAP6 POP DUP11 DUP7 LT PUSH2 0xA77 JUMPI PUSH2 0xA82 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP4 ADD SWAP3 PUSH2 0x951 JUMP JUMPDEST DUP11 DUP7 LT ISZERO PUSH2 0xABC JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23C7 JUMP JUMPDEST POP POP POP POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 GT ISZERO PUSH2 0xB07 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2367 JUMP JUMPDEST POP SWAP1 SUB SWAP1 JUMP JUMPDEST PUSH2 0xB15 PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH2 0xB26 PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x0 DUP12 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xB37 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP2 SWAP1 SWAP2 ADD DUP2 ADD MLOAD PUSH2 0x140 ADD MLOAD PUSH1 0x5 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x2 PUSH1 0x1 DUP5 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP4 AND SWAP3 SWAP1 SWAP3 DIV PUSH1 0x1F DUP2 ADD DUP7 SWAP1 DIV DUP7 MUL DUP4 ADD DUP7 ADD SWAP1 SWAP2 MSTORE DUP1 DUP3 MSTORE SWAP3 SWAP12 POP SWAP3 SWAP1 SWAP2 SWAP1 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0xBEF JUMPI DUP1 PUSH1 0x1F LT PUSH2 0xBC4 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0xBEF JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0xBD2 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP SWAP7 POP DUP12 MLOAD SWAP6 POP PUSH1 0x0 SWAP5 POP JUMPDEST DUP5 DUP7 EQ PUSH2 0xCE5 JUMPI DUP8 DUP13 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xC15 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x140 ADD MSTORE DUP12 MLOAD DUP8 SWAP1 DUP14 SWAP1 DUP8 SWAP1 DUP2 LT PUSH2 0xC34 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x160 ADD MSTORE DUP9 MLOAD PUSH2 0xC50 SWAP1 DUP13 SWAP1 PUSH2 0xACB JUMP JUMPDEST SWAP4 POP PUSH2 0xC93 DUP13 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xC63 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0xA0 ADD MLOAD DUP14 DUP8 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xC7F JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0x80 ADD MLOAD DUP7 PUSH2 0x1099 JUMP JUMPDEST SWAP3 POP PUSH2 0xCBF DUP13 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xCA6 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP5 DUP13 DUP9 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA3C JUMPI INVALID JUMPDEST SWAP2 POP PUSH2 0xCCB DUP10 DUP4 PUSH2 0x130D JUMP JUMPDEST POP DUP8 MLOAD DUP11 DUP2 LT PUSH2 0xCDA JUMPI PUSH2 0xCE5 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP5 ADD SWAP4 PUSH2 0xBFF JUMP JUMPDEST DUP11 DUP2 LT ISZERO PUSH2 0xABC JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23C7 JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 DUP1 PUSH7 0xB1A2BC2EC50000 DUP7 GT ISZERO PUSH2 0xD65 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23F7 JUMP JUMPDEST PUSH2 0xD6F DUP9 DUP9 PUSH2 0x104F JUMP JUMPDEST SWAP4 POP CALLVALUE DUP5 GT ISZERO PUSH2 0xDAB JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2357 JUMP JUMPDEST PUSH2 0xDB5 CALLVALUE DUP6 PUSH2 0xACB JUMP JUMPDEST SWAP3 POP PUSH2 0xDCA DUP7 PUSH8 0xDE0B6B3A7640000 DUP11 PUSH2 0x1099 JUMP JUMPDEST SWAP2 POP DUP3 DUP3 GT ISZERO PUSH2 0xE06 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23D7 JUMP JUMPDEST PUSH1 0x0 DUP4 GT ISZERO PUSH2 0xF29 JUMPI PUSH1 0x2 SLOAD PUSH1 0x40 MLOAD PUSH32 0x2E1A7D4D00000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP2 AND SWAP1 PUSH4 0x2E1A7D4D SWAP1 PUSH2 0xE65 SWAP1 DUP7 SWAP1 PUSH1 0x4 ADD PUSH2 0x2453 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0xE7F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0xE93 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x0 DUP3 GT ISZERO PUSH2 0xEE5 JUMPI PUSH1 0x40 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 AND SWAP1 DUP4 ISZERO PUSH2 0x8FC MUL SWAP1 DUP5 SWAP1 PUSH1 0x0 DUP2 DUP2 DUP2 DUP6 DUP9 DUP9 CALL SWAP4 POP POP POP POP ISZERO DUP1 ISZERO PUSH2 0xEE3 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP JUMPDEST PUSH2 0xEEF DUP4 DUP4 PUSH2 0xACB JUMP JUMPDEST SWAP1 POP PUSH1 0x0 DUP2 GT ISZERO PUSH2 0xF29 JUMPI PUSH1 0x40 MLOAD CALLER SWAP1 DUP3 ISZERO PUSH2 0x8FC MUL SWAP1 DUP4 SWAP1 PUSH1 0x0 DUP2 DUP2 DUP2 DUP6 DUP9 DUP9 CALL SWAP4 POP POP POP POP ISZERO DUP1 ISZERO PUSH2 0xF27 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP JUMPDEST POP POP POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0xF45 DUP4 DUP3 PUSH4 0xFFFFFFFF PUSH2 0x136F AND JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x4552433230546F6B656E28616464726573732900000000000000000000000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x13 ADD SWAP1 KECCAK256 SWAP1 SWAP2 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP1 DUP4 AND SWAP2 AND EQ ISZERO PUSH2 0xFB5 JUMPI PUSH2 0xFB0 DUP4 DUP4 PUSH2 0x13DC JUMP JUMPDEST PUSH2 0x383 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x455243373231546F6B656E28616464726573732C75696E743235362900000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x1C ADD SWAP1 KECCAK256 PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP3 DUP2 AND SWAP2 AND EQ ISZERO PUSH2 0x101D JUMPI PUSH2 0xFB0 DUP4 DUP4 PUSH2 0x15CA JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23A7 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 ADD DUP4 DUP2 LT ISZERO PUSH2 0x108E JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2397 JUMP JUMPDEST DUP1 SWAP2 POP JUMPDEST POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP4 GT PUSH2 0x10D4 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2387 JUMP JUMPDEST PUSH2 0x10E7 PUSH2 0x10E1 DUP6 DUP5 PUSH2 0x16B2 JUMP JUMPDEST DUP5 PUSH2 0x170D JUMP JUMPDEST SWAP1 POP JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH2 0x10F9 PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 PUSH2 0x1109 PUSH2 0x19A9 JUMP JUMPDEST DUP10 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1118 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP2 SWAP1 SWAP2 ADD DUP2 ADD MLOAD PUSH2 0x140 ADD MLOAD PUSH1 0x5 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x2 PUSH1 0x1 DUP5 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP4 AND SWAP3 SWAP1 SWAP3 DIV PUSH1 0x1F DUP2 ADD DUP7 SWAP1 DIV DUP7 MUL DUP4 ADD DUP7 ADD SWAP1 SWAP2 MSTORE DUP1 DUP3 MSTORE SWAP3 SWAP10 POP SWAP3 SWAP1 SWAP2 SWAP1 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x11D0 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x11A5 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x11D0 JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x11B3 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP SWAP5 POP DUP10 MLOAD SWAP4 POP PUSH1 0x0 SWAP3 POP JUMPDEST DUP3 DUP5 EQ PUSH2 0x1288 JUMPI DUP6 DUP11 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x11F6 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x140 ADD MSTORE DUP10 MLOAD DUP6 SWAP1 DUP12 SWAP1 DUP6 SWAP1 DUP2 LT PUSH2 0x1215 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x160 ADD DUP2 SWAP1 MSTORE POP PUSH2 0x1235 DUP10 DUP9 PUSH1 0x20 ADD MLOAD PUSH2 0xACB JUMP JUMPDEST SWAP2 POP PUSH2 0x1261 DUP11 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1248 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP4 DUP11 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA3C JUMPI INVALID JUMPDEST SWAP1 POP PUSH2 0x126D DUP8 DUP3 PUSH2 0x130D JUMP JUMPDEST PUSH1 0x20 DUP8 ADD MLOAD DUP10 GT PUSH2 0x127D JUMPI PUSH2 0x1288 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP3 ADD SWAP2 PUSH2 0x11E0 JUMP JUMPDEST POP POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH2 0x129D PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x0 PUSH2 0x12AC DUP7 DUP7 DUP7 PUSH2 0x1724 JUMP JUMPDEST PUSH1 0x1 SLOAD DUP2 MLOAD SWAP2 SWAP4 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP2 POP PUSH1 0x80 SWAP1 DUP4 SWAP1 PUSH1 0x20 DUP3 ADD PUSH1 0x0 DUP6 GAS CALL DUP1 ISZERO PUSH2 0x1303 JUMPI DUP3 MLOAD DUP5 MSTORE PUSH1 0x20 DUP4 ADD MLOAD PUSH1 0x20 DUP6 ADD MSTORE PUSH1 0x40 DUP4 ADD MLOAD PUSH1 0x40 DUP6 ADD MSTORE PUSH1 0x60 DUP4 ADD MLOAD PUSH1 0x60 DUP6 ADD MSTORE JUMPDEST POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST DUP2 MLOAD DUP2 MLOAD PUSH2 0x131B SWAP2 SWAP1 PUSH2 0x104F JUMP JUMPDEST DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 ADD MLOAD SWAP1 DUP3 ADD MLOAD PUSH2 0x1331 SWAP2 SWAP1 PUSH2 0x104F JUMP JUMPDEST PUSH1 0x20 DUP4 ADD MSTORE PUSH1 0x40 DUP1 DUP4 ADD MLOAD SWAP1 DUP3 ADD MLOAD PUSH2 0x134A SWAP2 SWAP1 PUSH2 0x104F JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MSTORE PUSH1 0x60 DUP1 DUP4 ADD MLOAD SWAP1 DUP3 ADD MLOAD PUSH2 0x1363 SWAP2 SWAP1 PUSH2 0x104F JUMP JUMPDEST PUSH1 0x60 SWAP1 SWAP3 ADD SWAP2 SWAP1 SWAP2 MSTORE POP JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x4 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x13B1 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2417 JUMP JUMPDEST POP ADD PUSH1 0x20 ADD MLOAD PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0x13F0 DUP5 PUSH1 0x10 PUSH4 0xFFFFFFFF PUSH2 0x18F6 AND JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x7472616E7366657228616464726573732C75696E743235362900000000000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x19 ADD DUP2 KECCAK256 SWAP2 SWAP4 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND SWAP2 SWAP1 PUSH2 0x144E SWAP1 CALLER SWAP1 DUP8 SWAP1 PUSH1 0x24 ADD PUSH2 0x231C JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 DUP2 DUP5 SUB ADD DUP2 MSTORE SWAP2 DUP2 MSTORE PUSH1 0x20 DUP3 ADD DUP1 MLOAD PUSH28 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 OR DUP4 MSTORE MLOAD DUP2 MLOAD SWAP2 SWAP3 SWAP1 SWAP2 DUP3 SWAP2 SWAP1 DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x14F2 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x14DA JUMP JUMPDEST POP POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x151F JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP2 POP POP PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP7 GAS CALL SWAP3 POP POP POP DUP1 ISZERO ISZERO PUSH2 0x156E JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23B7 JUMP JUMPDEST RETURNDATASIZE ISZERO PUSH2 0x158B JUMPI POP PUSH1 0x0 RETURNDATASIZE PUSH1 0x20 EQ ISZERO PUSH2 0x158B JUMPI PUSH1 0x20 PUSH1 0x0 DUP1 RETURNDATACOPY POP PUSH1 0x0 MLOAD JUMPDEST DUP1 ISZERO ISZERO PUSH2 0x15C4 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23B7 JUMP JUMPDEST POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x1 DUP4 EQ PUSH2 0x1607 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2427 JUMP JUMPDEST PUSH2 0x1618 DUP5 PUSH1 0x10 PUSH4 0xFFFFFFFF PUSH2 0x18F6 AND JUMP JUMPDEST SWAP2 POP PUSH2 0x162B DUP5 PUSH1 0x24 PUSH4 0xFFFFFFFF PUSH2 0x1957 AND JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH32 0x23B872DD00000000000000000000000000000000000000000000000000000000 DUP2 MSTORE SWAP1 SWAP2 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND SWAP1 PUSH4 0x23B872DD SWAP1 PUSH2 0x1684 SWAP1 ADDRESS SWAP1 CALLER SWAP1 DUP7 SWAP1 PUSH1 0x4 ADD PUSH2 0x22F4 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x169E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0xF29 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST PUSH1 0x0 DUP1 DUP4 ISZERO ISZERO PUSH2 0x16C5 JUMPI PUSH1 0x0 SWAP2 POP PUSH2 0x1092 JUMP JUMPDEST POP DUP3 DUP3 MUL DUP3 DUP5 DUP3 DUP2 ISZERO ISZERO PUSH2 0x16D5 JUMPI INVALID JUMPDEST DIV EQ PUSH2 0x108E JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2397 JUMP JUMPDEST PUSH1 0x0 DUP1 DUP3 DUP5 DUP2 ISZERO ISZERO PUSH2 0x171B JUMPI INVALID JUMPDEST DIV SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0xB4BE83D500000000000000000000000000000000000000000000000000000000 PUSH1 0x20 DUP1 DUP4 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0x60 PUSH1 0x24 DUP4 ADD DUP2 DUP2 MSTORE DUP8 MLOAD PUSH1 0x84 DUP6 ADD SWAP1 DUP2 MSTORE DUP9 DUP5 ADD MLOAD PUSH1 0xA4 DUP7 ADD MSTORE SWAP5 DUP9 ADD MLOAD PUSH1 0xC4 DUP6 ADD MSTORE SWAP1 DUP8 ADD MLOAD PUSH1 0xE4 DUP5 ADD MSTORE PUSH1 0x80 DUP8 ADD MLOAD PUSH2 0x104 DUP5 ADD MSTORE PUSH1 0xA0 DUP8 ADD MLOAD PUSH2 0x124 DUP5 ADD MSTORE PUSH1 0xC0 DUP8 ADD MLOAD PUSH2 0x144 DUP5 ADD MSTORE PUSH1 0xE0 DUP8 ADD MLOAD PUSH2 0x164 DUP5 ADD MSTORE PUSH2 0x100 DUP8 ADD MLOAD PUSH2 0x184 DUP5 ADD MSTORE PUSH2 0x120 DUP8 ADD MLOAD PUSH2 0x1A4 DUP5 ADD MSTORE PUSH2 0x140 DUP8 ADD DUP1 MLOAD PUSH2 0x1C4 DUP6 ADD SWAP1 DUP2 MSTORE PUSH2 0x160 DUP10 ADD MLOAD PUSH2 0x1E4 DUP7 ADD MSTORE PUSH2 0x180 SWAP1 MSTORE MLOAD DUP1 MLOAD PUSH2 0x204 DUP6 ADD DUP2 SWAP1 MSTORE SWAP4 SWAP5 SWAP2 SWAP4 DUP5 SWAP4 PUSH1 0x44 DUP8 ADD SWAP3 DUP5 SWAP3 PUSH2 0x224 DUP10 ADD SWAP3 SWAP2 DUP3 ADD SWAP2 PUSH1 0x1F DUP3 ADD DIV PUSH1 0x0 JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x182B JUMPI DUP4 MLOAD DUP6 MSTORE PUSH1 0x20 SWAP5 DUP6 ADD SWAP5 SWAP1 SWAP4 ADD SWAP3 PUSH1 0x1 ADD PUSH2 0x180D JUMP JUMPDEST POP POP POP POP DUP2 DUP2 SUB PUSH2 0x160 DUP1 DUP5 ADD SWAP2 SWAP1 SWAP2 MSTORE DUP11 ADD MLOAD DUP1 MLOAD DUP1 DUP4 MSTORE PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 DUP3 ADD SWAP2 PUSH1 0x1F DUP3 ADD DIV PUSH1 0x0 JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x1874 JUMPI DUP4 MLOAD DUP6 MSTORE PUSH1 0x20 SWAP5 DUP6 ADD SWAP5 SWAP1 SWAP4 ADD SWAP3 PUSH1 0x1 ADD PUSH2 0x1856 JUMP JUMPDEST POP POP POP DUP10 DUP5 MSTORE POP DUP5 DUP2 SUB PUSH1 0x20 SWAP4 DUP5 ADD SWAP1 DUP2 MSTORE DUP9 MLOAD DUP1 DUP4 MSTORE SWAP1 SWAP4 SWAP2 DUP3 ADD SWAP2 DUP10 DUP2 ADD SWAP2 SWAP1 PUSH1 0x1F DUP3 ADD DIV PUSH1 0x0 JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x18BC JUMPI DUP4 MLOAD DUP6 MSTORE PUSH1 0x20 SWAP5 DUP6 ADD SWAP5 SWAP1 SWAP4 ADD SWAP3 PUSH1 0x1 ADD PUSH2 0x189E JUMP JUMPDEST POP POP POP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 DUP9 DUP4 SUB ADD DUP9 MSTORE POP PUSH1 0x40 MSTORE POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x14 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x1938 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2407 JUMP JUMPDEST POP ADD PUSH1 0x14 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x7BA DUP4 DUP4 PUSH1 0x0 DUP2 PUSH1 0x20 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x19A0 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2377 JUMP JUMPDEST POP ADD PUSH1 0x20 ADD MLOAD SWAP1 JUMP JUMPDEST PUSH1 0x80 PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE POP SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x7BA DUP3 CALLDATALOAD PUSH2 0x24EF JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x19EF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x1A02 PUSH2 0x19FD DUP3 PUSH2 0x2488 JUMP JUMPDEST PUSH2 0x2461 JUMP JUMPDEST DUP2 DUP2 MSTORE PUSH1 0x20 SWAP4 DUP5 ADD SWAP4 SWAP1 SWAP3 POP DUP3 ADD DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x1A40 JUMPI DUP2 CALLDATALOAD DUP7 ADD PUSH2 0x1A2A DUP9 DUP3 PUSH2 0x1AF0 JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0x1A14 JUMP JUMPDEST POP POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x1A5B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x1A69 PUSH2 0x19FD DUP3 PUSH2 0x2488 JUMP JUMPDEST DUP2 DUP2 MSTORE PUSH1 0x20 SWAP4 DUP5 ADD SWAP4 SWAP1 SWAP3 POP DUP3 ADD DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x1A40 JUMPI DUP2 CALLDATALOAD DUP7 ADD PUSH2 0x1A91 DUP9 DUP3 PUSH2 0x1B3F JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0x1A7B JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x1F DUP4 ADD DUP5 SGT PUSH2 0x1AB9 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP DUP2 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1AD1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x20 DUP4 ADD SWAP2 POP DUP4 PUSH1 0x1 DUP3 MUL DUP4 ADD GT ISZERO PUSH2 0x1AE9 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x1B01 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x1B0F PUSH2 0x19FD DUP3 PUSH2 0x24A9 JUMP JUMPDEST SWAP2 POP DUP1 DUP3 MSTORE PUSH1 0x20 DUP4 ADD PUSH1 0x20 DUP4 ADD DUP6 DUP4 DUP4 ADD GT ISZERO PUSH2 0x1B2B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1B36 DUP4 DUP3 DUP5 PUSH2 0x250B JUMP JUMPDEST POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x180 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x1B52 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1B5D PUSH2 0x180 PUSH2 0x2461 JUMP JUMPDEST SWAP1 POP PUSH1 0x0 PUSH2 0x1B6B DUP5 DUP5 PUSH2 0x19D2 JUMP JUMPDEST DUP3 MSTORE POP PUSH1 0x20 PUSH2 0x1B7C DUP5 DUP5 DUP4 ADD PUSH2 0x19D2 JUMP JUMPDEST PUSH1 0x20 DUP4 ADD MSTORE POP PUSH1 0x40 PUSH2 0x1B90 DUP5 DUP3 DUP6 ADD PUSH2 0x19D2 JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MSTORE POP PUSH1 0x60 PUSH2 0x1BA4 DUP5 DUP3 DUP6 ADD PUSH2 0x19D2 JUMP JUMPDEST PUSH1 0x60 DUP4 ADD MSTORE POP PUSH1 0x80 PUSH2 0x1BB8 DUP5 DUP3 DUP6 ADD PUSH2 0x1C88 JUMP JUMPDEST PUSH1 0x80 DUP4 ADD MSTORE POP PUSH1 0xA0 PUSH2 0x1BCC DUP5 DUP3 DUP6 ADD PUSH2 0x1C88 JUMP JUMPDEST PUSH1 0xA0 DUP4 ADD MSTORE POP PUSH1 0xC0 PUSH2 0x1BE0 DUP5 DUP3 DUP6 ADD PUSH2 0x1C88 JUMP JUMPDEST PUSH1 0xC0 DUP4 ADD MSTORE POP PUSH1 0xE0 PUSH2 0x1BF4 DUP5 DUP3 DUP6 ADD PUSH2 0x1C88 JUMP JUMPDEST PUSH1 0xE0 DUP4 ADD MSTORE POP PUSH2 0x100 PUSH2 0x1C09 DUP5 DUP3 DUP6 ADD PUSH2 0x1C88 JUMP JUMPDEST PUSH2 0x100 DUP4 ADD MSTORE POP PUSH2 0x120 PUSH2 0x1C1F DUP5 DUP3 DUP6 ADD PUSH2 0x1C88 JUMP JUMPDEST PUSH2 0x120 DUP4 ADD MSTORE POP PUSH2 0x140 DUP3 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1C41 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1C4D DUP5 DUP3 DUP6 ADD PUSH2 0x1AF0 JUMP JUMPDEST PUSH2 0x140 DUP4 ADD MSTORE POP PUSH2 0x160 DUP3 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1C6F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1C7B DUP5 DUP3 DUP6 ADD PUSH2 0x1AF0 JUMP JUMPDEST PUSH2 0x160 DUP4 ADD MSTORE POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x7BA DUP3 CALLDATALOAD PUSH2 0x2508 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x1CA6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x1CB2 DUP5 DUP5 PUSH2 0x19D2 JUMP JUMPDEST SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0xC0 DUP8 DUP10 SUB SLT ISZERO PUSH2 0x1CD3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP7 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1CEA JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1CF6 DUP10 DUP3 DUP11 ADD PUSH2 0x1A4A JUMP JUMPDEST SWAP7 POP POP PUSH1 0x20 DUP8 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1D13 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1D1F DUP10 DUP3 DUP11 ADD PUSH2 0x19DE JUMP JUMPDEST SWAP6 POP POP PUSH1 0x40 DUP8 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1D3C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1D48 DUP10 DUP3 DUP11 ADD PUSH2 0x1A4A JUMP JUMPDEST SWAP5 POP POP PUSH1 0x60 DUP8 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1D65 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1D71 DUP10 DUP3 DUP11 ADD PUSH2 0x19DE JUMP JUMPDEST SWAP4 POP POP PUSH1 0x80 PUSH2 0x1D82 DUP10 DUP3 DUP11 ADD PUSH2 0x1C88 JUMP JUMPDEST SWAP3 POP POP PUSH1 0xA0 PUSH2 0x1D93 DUP10 DUP3 DUP11 ADD PUSH2 0x19D2 JUMP JUMPDEST SWAP2 POP POP SWAP3 SWAP6 POP SWAP3 SWAP6 POP SWAP3 SWAP6 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0xE0 DUP9 DUP11 SUB SLT ISZERO PUSH2 0x1DBB JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP8 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1DD2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1DDE DUP11 DUP3 DUP12 ADD PUSH2 0x1A4A JUMP JUMPDEST SWAP8 POP POP PUSH1 0x20 PUSH2 0x1DEF DUP11 DUP3 DUP12 ADD PUSH2 0x1C88 JUMP JUMPDEST SWAP7 POP POP PUSH1 0x40 DUP9 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1E0C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1E18 DUP11 DUP3 DUP12 ADD PUSH2 0x19DE JUMP JUMPDEST SWAP6 POP POP PUSH1 0x60 DUP9 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1E35 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1E41 DUP11 DUP3 DUP12 ADD PUSH2 0x1A4A JUMP JUMPDEST SWAP5 POP POP PUSH1 0x80 DUP9 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1E5E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1E6A DUP11 DUP3 DUP12 ADD PUSH2 0x19DE JUMP JUMPDEST SWAP4 POP POP PUSH1 0xA0 PUSH2 0x1E7B DUP11 DUP3 DUP12 ADD PUSH2 0x1C88 JUMP JUMPDEST SWAP3 POP POP PUSH1 0xC0 PUSH2 0x1E8C DUP11 DUP3 DUP12 ADD PUSH2 0x19D2 JUMP JUMPDEST SWAP2 POP POP SWAP3 SWAP6 SWAP9 SWAP2 SWAP5 SWAP8 POP SWAP3 SWAP6 POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x40 DUP5 DUP7 SUB SLT ISZERO PUSH2 0x1EB0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP4 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1EC7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1ED3 DUP7 DUP3 DUP8 ADD PUSH2 0x1AA7 JUMP JUMPDEST SWAP4 POP SWAP4 POP POP PUSH1 0x20 PUSH2 0x1EE6 DUP7 DUP3 DUP8 ADD PUSH2 0x1C88 JUMP JUMPDEST SWAP2 POP POP SWAP3 POP SWAP3 POP SWAP3 JUMP JUMPDEST PUSH2 0x1EF9 DUP2 PUSH2 0x24EF JUMP JUMPDEST DUP3 MSTORE POP POP JUMP JUMPDEST PUSH1 0x23 DUP2 MSTORE PUSH32 0x44454641554C545F46554E4354494F4E5F574554485F434F4E54524143545F4F PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x4E4C590000000000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x11 DUP2 MSTORE PUSH32 0x494E56414C49445F4D53475F56414C5545000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xD DUP2 MSTORE PUSH32 0x4F564552534F4C445F5745544800000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x11 DUP2 MSTORE PUSH32 0x55494E543235365F554E444552464C4F57000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x26 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F33325F4C454E4754485F5245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5155495245440000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x10 DUP2 MSTORE PUSH32 0x4449564953494F4E5F42595F5A45524F00000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x10 DUP2 MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x17 DUP2 MSTORE PUSH32 0x554E535550504F525445445F41535345545F50524F5859000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xF DUP2 MSTORE PUSH32 0x5452414E534645525F4641494C45440000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x14 DUP2 MSTORE PUSH32 0x434F4D504C4554455F46494C4C5F4641494C4544000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x1A DUP2 MSTORE PUSH32 0x494E53554646494349454E545F4554485F52454D41494E494E47000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x13 DUP2 MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x18 DUP2 MSTORE PUSH32 0x4645455F50455243454E544147455F544F4F5F4C415247450000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x26 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F32305F4C454E4754485F5245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5155495245440000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x25 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F345F4C454E4754485F524551 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5549524544000000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0xE DUP2 MSTORE PUSH32 0x494E56414C49445F414D4F554E54000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST DUP1 MLOAD PUSH1 0x80 DUP4 ADD SWAP1 PUSH2 0x22A8 DUP5 DUP3 PUSH2 0x22DD JUMP JUMPDEST POP PUSH1 0x20 DUP3 ADD MLOAD PUSH2 0x22BB PUSH1 0x20 DUP6 ADD DUP3 PUSH2 0x22DD JUMP JUMPDEST POP PUSH1 0x40 DUP3 ADD MLOAD PUSH2 0x22CE PUSH1 0x40 DUP6 ADD DUP3 PUSH2 0x22DD JUMP JUMPDEST POP PUSH1 0x60 DUP3 ADD MLOAD PUSH2 0x15C4 PUSH1 0x60 DUP6 ADD DUP3 JUMPDEST PUSH2 0x1EF9 DUP2 PUSH2 0x2508 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x7BD DUP3 DUP5 PUSH2 0x1EF0 JUMP JUMPDEST PUSH1 0x60 DUP2 ADD PUSH2 0x2302 DUP3 DUP7 PUSH2 0x1EF0 JUMP JUMPDEST PUSH2 0x230F PUSH1 0x20 DUP4 ADD DUP6 PUSH2 0x1EF0 JUMP JUMPDEST PUSH2 0x1CB2 PUSH1 0x40 DUP4 ADD DUP5 PUSH2 0x22DD JUMP JUMPDEST PUSH1 0x40 DUP2 ADD PUSH2 0x232A DUP3 DUP6 PUSH2 0x1EF0 JUMP JUMPDEST PUSH2 0x10EA PUSH1 0x20 DUP4 ADD DUP5 PUSH2 0x22DD JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x1EFF JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x1F55 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x1F85 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x1FB5 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x1FE5 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x203B JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x206B JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x209B JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x20CB JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x20FB JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x212B JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x215B JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x218B JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x21BB JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x2211 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x2267 JUMP JUMPDEST PUSH2 0x100 DUP2 ADD PUSH2 0x2446 DUP3 DUP6 PUSH2 0x2297 JUMP JUMPDEST PUSH2 0x10EA PUSH1 0x80 DUP4 ADD DUP5 PUSH2 0x2297 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x7BD DUP3 DUP5 PUSH2 0x22DD JUMP JUMPDEST PUSH1 0x40 MLOAD DUP2 DUP2 ADD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT DUP3 DUP3 LT OR ISZERO PUSH2 0x2480 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x40 MSTORE SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH8 0xFFFFFFFFFFFFFFFF DUP3 GT ISZERO PUSH2 0x249F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x20 SWAP1 DUP2 MUL ADD SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH8 0xFFFFFFFFFFFFFFFF DUP3 GT ISZERO PUSH2 0x24C0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x20 PUSH1 0x1F SWAP2 SWAP1 SWAP2 ADD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 AND ADD SWAP1 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST SWAP1 JUMP JUMPDEST DUP3 DUP2 DUP4 CALLDATACOPY POP PUSH1 0x0 SWAP2 ADD MSTORE JUMP STOP LOG2 PUSH6 0x627A7A723058 KECCAK256 XOR GAS DELEGATECALL 0xa5 0xe8 MSTORE JUMPDEST 0xc KECCAK256 SWAP9 EXTCODESIZE CALLCODE 0x2c MULMOD PUSH24 0x3A1CAB3F704716CBA4C8DA3B112601CD666C657870657269 PUSH14 0x656E74616CF50037000000000000 ", - "sourceMap": 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"2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": { - "id": 28 - }, - "2.0.0/protocol/Exchange/interfaces/IExchange.sol": { - "id": 29 - }, - "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": { - "id": 30 - }, - "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": { - "id": 31 - }, - "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": { - "id": 32 - }, - "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": { - "id": 33 - }, - "2.0.0/protocol/Exchange/interfaces/IValidator.sol": { - "id": 34 - }, - "2.0.0/protocol/Exchange/interfaces/IWallet.sol": { - "id": 35 - }, - "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": { - "id": 36 - }, - "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": { - "id": 37 - }, - "2.0.0/protocol/Exchange/libs/LibConstants.sol": { - "id": 38 - }, - "2.0.0/protocol/Exchange/libs/LibEIP712.sol": { - "id": 39 - }, - "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": { - "id": 40 - }, - "2.0.0/protocol/Exchange/libs/LibFillResults.sol": { - "id": 41 - }, - "2.0.0/protocol/Exchange/libs/LibMath.sol": { - "id": 42 - }, - "2.0.0/protocol/Exchange/libs/LibOrder.sol": { - "id": 43 - }, - "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": { - "id": 44 - }, - "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": { - "id": 45 - }, - "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": { - "id": 46 - }, - "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": { - "id": 47 - }, - "2.0.0/protocol/Exchange/mixins/MTransactions.sol": { - "id": 48 - }, - "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": { - "id": 49 - }, - "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": { - "id": 50 - }, - "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": { - "id": 51 - }, - "2.0.0/tokens/ERC20Token/ERC20Token.sol": { - "id": 52 - }, - "2.0.0/tokens/ERC20Token/IERC20Token.sol": { - "id": 53 - }, - "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": { - "id": 54 - }, - "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": { - "id": 55 - }, - "2.0.0/tokens/ERC721Token/ERC721Token.sol": { - "id": 56 - }, - "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": { - "id": 57 - }, - "2.0.0/tokens/ERC721Token/IERC721Token.sol": { - "id": 58 - }, - "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": { - "id": 59 - }, - "2.0.0/tokens/EtherToken/IEtherToken.sol": { - "id": 60 - }, - "2.0.0/utils/LibBytes/LibBytes.sol": { - "id": 61 - }, - "2.0.0/utils/Ownable/IOwnable.sol": { - "id": 62 - }, - "2.0.0/utils/Ownable/Ownable.sol": { - "id": 63 - }, - "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": { - "id": 64 - }, - "2.0.0/utils/SafeMath/SafeMath.sol": { - "id": 65 - } - }, - "sourceCodes": { - "2.0.0/extensions/Forwarder/Forwarder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinWeth.sol\";\nimport \"./MixinForwarderCore.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinAssets.sol\";\nimport \"./MixinExchangeWrapper.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Forwarder is\n LibConstants,\n MixinWeth,\n MixinAssets,\n MixinExchangeWrapper,\n MixinForwarderCore\n{\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n LibConstants(\n _exchange,\n _zrxAssetData,\n _wethAssetData\n )\n MixinForwarderCore()\n {}\n}\n", - "2.0.0/extensions/Forwarder/MixinAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MAssets.sol\";\n\n\ncontract MixinAssets is\n Ownable,\n LibConstants,\n MAssets\n{\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256(\"transfer(address,uint256)\"));\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external\n onlyOwner\n {\n transferAssetToSender(assetData, amount);\n }\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n bytes4 proxyId = assetData.readBytes4(0);\n\n if (proxyId == ERC20_DATA_ID) {\n transferERC20Token(assetData, amount);\n } else if (proxyId == ERC721_DATA_ID) {\n transferERC721Token(assetData, amount);\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n }\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n address token = assetData.readAddress(16);\n\n // Transfer tokens.\n // We do a raw call so we can check the success separate\n // from the return data.\n bool success = token.call(abi.encodeWithSelector(\n ERC20_TRANSFER_SELECTOR,\n msg.sender,\n amount\n ));\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n \n // Check return data.\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // value that evaluates to true.\n assembly {\n if returndatasize {\n success := 0\n if eq(returndatasize, 32) {\n // First 64 bytes of memory are reserved scratch space\n returndatacopy(0, 0, 32)\n success := mload(0)\n }\n }\n }\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n }\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n require(\n amount == 1,\n \"INVALID_AMOUNT\"\n );\n // Decode asset data.\n address token = assetData.readAddress(16);\n uint256 tokenId = assetData.readUint256(36);\n\n // Perform transfer.\n IERC721Token(token).transferFrom(\n address(this),\n msg.sender,\n tokenId\n );\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"../../protocol/Exchange/libs/LibAbiEncoder.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinExchangeWrapper is\n LibAbiEncoder,\n LibFillResults,\n LibMath,\n LibConstants,\n MExchangeWrapper\n{\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n address exchange = address(EXCHANGE);\n\n // Call `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := call(\n gas, // forward all gas\n exchange, // call address of Exchange contract\n 0, // transfer 0 wei\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of WETH to sell\n uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of WETH\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount;\n if (makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n\n require(\n makerAssetFilledAmount >= makerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n // Do nothing if zrxBuyAmount == 0\n if (zrxBuyAmount == 0) {\n return totalFillResults;\n }\n\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n uint256 zrxPurchased = 0;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // All of these are ZRX/WETH, so we can drop the respective assetData from calldata.\n orders[i].makerAssetData = zrxAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of ZRX to buy.\n uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased);\n\n // Convert the remaining amount of ZRX to buy into remaining amount\n // of WETH to sell, assuming entire amount can be sold in the current order.\n uint256 remainingWethSellAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees \n remainingZrxBuyAmount\n );\n\n // Attempt to sell the remaining amount of WETH.\n FillResults memory singleFillResult = fillOrderNoThrow(\n orders[i],\n safeAdd(remainingWethSellAmount, 1), // we add 1 wei to the fill amount to make up for rounding errors\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker.\n addFillResults(totalFillResults, singleFillResult);\n zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid);\n\n // Stop execution if the entire amount of ZRX has been bought.\n if (zrxPurchased >= zrxBuyAmount) {\n break;\n }\n }\n\n require(\n zrxPurchased >= zrxBuyAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\nimport \"./mixins/MAssets.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"./interfaces/IForwarderCore.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinForwarderCore is\n LibFillResults,\n LibMath,\n LibConstants,\n MWeth,\n MAssets,\n MExchangeWrapper,\n IForwarderCore\n{\n using LibBytes for bytes;\n\n /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf.\n constructor ()\n public\n {\n address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID);\n require(\n proxyAddress != address(0),\n \"UNREGISTERED_ASSET_PROXY\"\n );\n ETHER_TOKEN.approve(proxyAddress, MAX_UINT);\n ZRX_TOKEN.approve(proxyAddress, MAX_UINT);\n }\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 wethSellAmount;\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // Calculate amount of WETH that won't be spent on ETH fees.\n wethSellAmount = getPartialAmountFloor(\n PERCENTAGE_DENOMINATOR,\n safeAdd(PERCENTAGE_DENOMINATOR, feePercentage),\n msg.value\n );\n // Market sell available WETH.\n // ZRX fees are paid with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // 5% of WETH is reserved for filling feeOrders and paying feeRecipient.\n wethSellAmount = getPartialAmountFloor(\n MAX_WETH_FILL_PERCENTAGE,\n PERCENTAGE_DENOMINATOR,\n msg.value\n );\n // Market sell 95% of WETH.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // If the makerAsset is ZRX, it is not necessary to pay fees out of this\n // contracts's ZRX balance because fees are factored into the price of the order.\n orderFillResults = marketBuyExactZrxWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // Attemp to purchase desired amount of makerAsset.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketBuyExactAmountWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\n\n\ncontract MixinWeth is\n LibMath,\n LibConstants,\n MWeth\n{\n /// @dev Default payabale function, this allows us to withdraw WETH\n function ()\n public\n payable\n {\n require(\n msg.sender == address(ETHER_TOKEN),\n \"DEFAULT_FUNCTION_WETH_CONTRACT_ONLY\"\n );\n }\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal\n {\n require(\n msg.value > 0,\n \"INVALID_MSG_VALUE\"\n );\n ETHER_TOKEN.deposit.value(msg.value)();\n }\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal\n {\n // Ensure feePercentage is less than 5%.\n require(\n feePercentage <= MAX_FEE_PERCENTAGE,\n \"FEE_PERCENTAGE_TOO_LARGE\"\n );\n\n // Ensure that no extra WETH owned by this contract has been sold.\n uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx);\n require(\n wethSold <= msg.value,\n \"OVERSOLD_WETH\"\n );\n\n // Calculate amount of WETH that hasn't been sold.\n uint256 wethRemaining = safeSub(msg.value, wethSold);\n\n // Calculate ETH fee to pay to feeRecipient.\n uint256 ethFee = getPartialAmountFloor(\n feePercentage,\n PERCENTAGE_DENOMINATOR,\n wethSoldExcludingFeeOrders\n );\n\n // Ensure fee is less than amount of WETH remaining.\n require(\n ethFee <= wethRemaining,\n \"INSUFFICIENT_ETH_REMAINING\"\n );\n \n // Do nothing if no WETH remaining\n if (wethRemaining > 0) {\n // Convert remaining WETH to ETH\n ETHER_TOKEN.withdraw(wethRemaining);\n\n // Pay ETH to feeRecipient\n if (ethFee > 0) {\n feeRecipient.transfer(ethFee);\n }\n\n // Refund remaining ETH to msg.sender.\n uint256 ethRefund = safeSub(wethRemaining, ethFee);\n if (ethRefund > 0) {\n msg.sender.transfer(ethRefund);\n }\n }\n }\n}\n", - "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssets {\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external;\n}\n", - "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract IForwarderCore {\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n}\n", - "2.0.0/extensions/Forwarder/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/LibBytes/LibBytes.sol\";\nimport \"../../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../../tokens/EtherToken/IEtherToken.sol\";\nimport \"../../../tokens/ERC20Token/IERC20Token.sol\";\n\n\ncontract LibConstants {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n uint256 constant internal MAX_UINT = 2**256 - 1;\n uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; \n uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5%\n uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95%\n \n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n IEtherToken internal ETHER_TOKEN;\n IERC20Token internal ZRX_TOKEN;\n bytes internal ZRX_ASSET_DATA;\n bytes internal WETH_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n WETH_ASSET_DATA = _wethAssetData;\n\n address etherToken = _wethAssetData.readAddress(16);\n address zrxToken = _zrxAssetData.readAddress(16);\n ETHER_TOKEN = IEtherToken(etherToken);\n ZRX_TOKEN = IERC20Token(zrxToken);\n }\n}\n", - "2.0.0/extensions/Forwarder/mixins/MAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssets.sol\";\n\n\ncontract MAssets is\n IAssets\n{\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n}\n", - "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract MExchangeWrapper {\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n}\n", - "2.0.0/extensions/Forwarder/mixins/MWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract MWeth {\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal;\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal;\n}\n", - "2.0.0/extensions/OrderValidator/OrderValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract OrderValidator {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n struct TraderInfo {\n uint256 makerBalance; // Maker's balance of makerAsset\n uint256 makerAllowance; // Maker's allowance to corresponding AssetProxy\n uint256 takerBalance; // Taker's balance of takerAsset\n uint256 takerAllowance; // Taker's allowance to corresponding AssetProxy\n uint256 makerZrxBalance; // Maker's balance of ZRX\n uint256 makerZrxAllowance; // Maker's allowance of ZRX to ERC20Proxy\n uint256 takerZrxBalance; // Taker's balance of ZRX\n uint256 takerZrxAllowance; // Taker's allowance of ZRX to ERC20Proxy\n }\n\n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n bytes internal ZRX_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (address _exchange, bytes memory _zrxAssetData)\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n }\n\n /// @dev Fetches information for order and maker/taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return OrderInfo and TraderInfo instances for given order.\n function getOrderAndTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo, TraderInfo memory traderInfo)\n {\n orderInfo = EXCHANGE.getOrderInfo(order);\n traderInfo = getTraderInfo(order, takerAddress);\n return (orderInfo, traderInfo);\n }\n\n /// @dev Fetches information for all passed in orders and the makers/takers of each order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Arrays of OrderInfo and TraderInfo instances that correspond to each order.\n function getOrdersAndTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (LibOrder.OrderInfo[] memory ordersInfo, TraderInfo[] memory tradersInfo)\n {\n ordersInfo = EXCHANGE.getOrdersInfo(orders);\n tradersInfo = getTradersInfo(orders, takerAddresses);\n return (ordersInfo, tradersInfo);\n }\n\n /// @dev Fetches balance and allowances for maker and taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return Balances and allowances of maker and taker of order.\n function getTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (TraderInfo memory traderInfo)\n {\n (traderInfo.makerBalance, traderInfo.makerAllowance) = getBalanceAndAllowance(order.makerAddress, order.makerAssetData);\n (traderInfo.takerBalance, traderInfo.takerAllowance) = getBalanceAndAllowance(takerAddress, order.takerAssetData);\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n (traderInfo.makerZrxBalance, traderInfo.makerZrxAllowance) = getBalanceAndAllowance(order.makerAddress, zrxAssetData);\n (traderInfo.takerZrxBalance, traderInfo.takerZrxAllowance) = getBalanceAndAllowance(takerAddress, zrxAssetData);\n return traderInfo;\n }\n\n /// @dev Fetches balances and allowances of maker and taker for each provided order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Array of balances and allowances for maker and taker of each order.\n function getTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (TraderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n TraderInfo[] memory tradersInfo = new TraderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n tradersInfo[i] = getTraderInfo(orders[i], takerAddresses[i]);\n }\n return tradersInfo;\n }\n\n /// @dev Fetches token balances and allowances of an address to given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Encoded data that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balance of asset and allowance set to given proxy of asset.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalanceAndAllowance(address target, bytes memory assetData)\n public\n view\n returns (uint256 balance, uint256 allowance)\n {\n bytes4 assetProxyId = assetData.readBytes4(0);\n address token = assetData.readAddress(16);\n address assetProxy = EXCHANGE.getAssetProxy(assetProxyId);\n\n if (assetProxyId == ERC20_DATA_ID) {\n // Query balance\n balance = IERC20Token(token).balanceOf(target);\n\n // Query allowance\n allowance = IERC20Token(token).allowance(target, assetProxy);\n } else if (assetProxyId == ERC721_DATA_ID) {\n uint256 tokenId = assetData.readUint256(36);\n\n // Query owner of tokenId\n address owner = getERC721TokenOwner(token, tokenId);\n\n // Set balance to 1 if tokenId is owned by target\n balance = target == owner ? 1 : 0;\n\n // Check if ERC721Proxy is approved to spend tokenId\n bool isApproved = IERC721Token(token).isApprovedForAll(target, assetProxy) || IERC721Token(token).getApproved(tokenId) == assetProxy;\n \n // Set alowance to 1 if ERC721Proxy is approved to spend tokenId\n allowance = isApproved ? 1 : 0;\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n return (balance, allowance);\n }\n\n /// @dev Fetches token balances and allowances of an address for each given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Array of encoded byte arrays that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balances and allowances of assets.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalancesAndAllowances(address target, bytes[] memory assetData)\n public\n view\n returns (uint256[] memory, uint256[] memory)\n {\n uint256 length = assetData.length;\n uint256[] memory balances = new uint256[](length);\n uint256[] memory allowances = new uint256[](length);\n for (uint256 i = 0; i != length; i++) {\n (balances[i], allowances[i]) = getBalanceAndAllowance(target, assetData[i]);\n }\n return (balances, allowances);\n }\n\n /// @dev Calls `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token.\n /// @param token Address of ERC721 token.\n /// @param tokenId The identifier for the specific NFT.\n /// @return Owner of tokenId or null address if unowned.\n function getERC721TokenOwner(address token, uint256 tokenId)\n public\n view\n returns (address owner)\n {\n assembly {\n // load free memory pointer\n let cdStart := mload(64)\n\n // bytes4(keccak256(ownerOf(uint256))) = 0x6352211e\n mstore(cdStart, 0x6352211e00000000000000000000000000000000000000000000000000000000)\n mstore(add(cdStart, 4), tokenId)\n\n // staticcall `ownerOf(tokenId)`\n // `ownerOf` will revert if tokenId is not owned\n let success := staticcall(\n gas, // forward all gas\n token, // call token contract\n cdStart, // start of calldata\n 36, // length of input is 36 bytes\n cdStart, // write output over input\n 32 // size of output is 32 bytes\n )\n\n // Success implies that tokenId is owned\n // Copy owner from return data if successful\n if success {\n owner := mload(cdStart)\n } \n }\n\n // Owner initialized to address(0), no need to modify if call is unsuccessful\n return owner;\n }\n}\n", - "2.0.0/multisig/MultiSigWallet.sol": "// solhint-disable\npragma solidity ^0.4.15;\n\n\n/// @title Multisignature wallet - Allows multiple parties to agree on transactions before execution.\n/// @author Stefan George - \ncontract MultiSigWallet {\n\n /*\n * Events\n */\n event Confirmation(address indexed sender, uint indexed transactionId);\n event Revocation(address indexed sender, uint indexed transactionId);\n event Submission(uint indexed transactionId);\n event Execution(uint indexed transactionId);\n event ExecutionFailure(uint indexed transactionId);\n event Deposit(address indexed sender, uint value);\n event OwnerAddition(address indexed owner);\n event OwnerRemoval(address indexed owner);\n event RequirementChange(uint required);\n\n /*\n * Constants\n */\n uint constant public MAX_OWNER_COUNT = 50;\n\n /*\n * Storage\n */\n mapping (uint => Transaction) public transactions;\n mapping (uint => mapping (address => bool)) public confirmations;\n mapping (address => bool) public isOwner;\n address[] public owners;\n uint public required;\n uint public transactionCount;\n\n struct Transaction {\n address destination;\n uint value;\n bytes data;\n bool executed;\n }\n\n /*\n * Modifiers\n */\n modifier onlyWallet() {\n require(msg.sender == address(this));\n _;\n }\n\n modifier ownerDoesNotExist(address owner) {\n require(!isOwner[owner]);\n _;\n }\n\n modifier ownerExists(address owner) {\n require(isOwner[owner]);\n _;\n }\n\n modifier transactionExists(uint transactionId) {\n require(transactions[transactionId].destination != 0);\n _;\n }\n\n modifier confirmed(uint transactionId, address owner) {\n require(confirmations[transactionId][owner]);\n _;\n }\n\n modifier notConfirmed(uint transactionId, address owner) {\n require(!confirmations[transactionId][owner]);\n _;\n }\n\n modifier notExecuted(uint transactionId) {\n require(!transactions[transactionId].executed);\n _;\n }\n\n modifier notNull(address _address) {\n require(_address != 0);\n _;\n }\n\n modifier validRequirement(uint ownerCount, uint _required) {\n require(ownerCount <= MAX_OWNER_COUNT\n && _required <= ownerCount\n && _required != 0\n && ownerCount != 0);\n _;\n }\n\n /// @dev Fallback function allows to deposit ether.\n function()\n payable\n {\n if (msg.value > 0)\n Deposit(msg.sender, msg.value);\n }\n\n /*\n * Public functions\n */\n /// @dev Contract constructor sets initial owners and required number of confirmations.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n function MultiSigWallet(address[] _owners, uint _required)\n public\n validRequirement(_owners.length, _required)\n {\n for (uint i=0; i<_owners.length; i++) {\n require(!isOwner[_owners[i]] && _owners[i] != 0);\n isOwner[_owners[i]] = true;\n }\n owners = _owners;\n required = _required;\n }\n\n /// @dev Allows to add a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of new owner.\n function addOwner(address owner)\n public\n onlyWallet\n ownerDoesNotExist(owner)\n notNull(owner)\n validRequirement(owners.length + 1, required)\n {\n isOwner[owner] = true;\n owners.push(owner);\n OwnerAddition(owner);\n }\n\n /// @dev Allows to remove an owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner.\n function removeOwner(address owner)\n public\n onlyWallet\n ownerExists(owner)\n {\n isOwner[owner] = false;\n for (uint i=0; i owners.length)\n changeRequirement(owners.length);\n OwnerRemoval(owner);\n }\n\n /// @dev Allows to replace an owner with a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner to be replaced.\n /// @param newOwner Address of new owner.\n function replaceOwner(address owner, address newOwner)\n public\n onlyWallet\n ownerExists(owner)\n ownerDoesNotExist(newOwner)\n {\n for (uint i=0; i\n// solhint-disable not-rely-on-time\ncontract MultiSigWalletWithTimeLock is\n MultiSigWallet\n{\n event ConfirmationTimeSet(uint256 indexed transactionId, uint256 confirmationTime);\n event TimeLockChange(uint256 secondsTimeLocked);\n\n uint256 public secondsTimeLocked;\n\n mapping (uint256 => uint256) public confirmationTimes;\n\n modifier notFullyConfirmed(uint256 transactionId) {\n require(\n !isConfirmed(transactionId),\n \"TX_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier fullyConfirmed(uint256 transactionId) {\n require(\n isConfirmed(transactionId),\n \"TX_NOT_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier pastTimeLock(uint256 transactionId) {\n require(\n block.timestamp >= confirmationTimes[transactionId] + secondsTimeLocked,\n \"TIME_LOCK_INCOMPLETE\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations, and time lock.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] _owners,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWallet(_owners, _required)\n {\n secondsTimeLocked = _secondsTimeLocked;\n }\n\n /// @dev Changes the duration of the time lock for transactions.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n function changeTimeLock(uint256 _secondsTimeLocked)\n public\n onlyWallet\n {\n secondsTimeLocked = _secondsTimeLocked;\n emit TimeLockChange(_secondsTimeLocked);\n }\n\n /// @dev Allows an owner to confirm a transaction.\n /// @param transactionId Transaction ID.\n function confirmTransaction(uint256 transactionId)\n public\n ownerExists(msg.sender)\n transactionExists(transactionId)\n notConfirmed(transactionId, msg.sender)\n notFullyConfirmed(transactionId)\n {\n confirmations[transactionId][msg.sender] = true;\n emit Confirmation(msg.sender, transactionId);\n if (isConfirmed(transactionId)) {\n setConfirmationTime(transactionId, block.timestamp);\n }\n }\n\n /// @dev Allows anyone to execute a confirmed transaction.\n /// @param transactionId Transaction ID.\n function executeTransaction(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n pastTimeLock(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n\n /// @dev Sets the time of when a submission first passed.\n function setConfirmationTime(uint256 transactionId, uint256 confirmationTime)\n internal\n {\n confirmationTimes[transactionId] = confirmationTime;\n emit ConfirmationTimeSet(transactionId, confirmationTime);\n }\n}\n", - "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC20Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n \n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 1 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n\n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. amount |\n\n /////// Read token address from calldata ///////\n // * The token address is stored in `assetData`.\n //\n // * The \"offset to assetData\" is stored at offset 4 in the calldata (table 1).\n // [assetDataOffsetFromParams = calldataload(4)]\n //\n // * Notes that the \"offset to assetData\" is relative to the \"Params\" area of calldata;\n // add 4 bytes to account for the length of the \"Header\" area (table 1).\n // [assetDataOffsetFromHeader = assetDataOffsetFromParams + 4]\n //\n // * The \"token address\" is offset 32+4=36 bytes into \"assetData\" (tables 1 & 2).\n // [tokenOffset = assetDataOffsetFromHeader + 36 = calldataload(4) + 4 + 36]\n let token := calldataload(add(calldataload(4), 40))\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from`, `to` and `amount` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 96)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output over input\n 32 // output size should be 32 bytes\n )\n\n /////// Check return data. ///////\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // nonzero 32 bytes value.\n // So the transfer succeeded if the call succeeded and either\n // returned nothing, or returned a non-zero 32 byte value. \n success := and(success, or(\n iszero(returndatasize),\n and(\n eq(returndatasize, 32),\n gt(mload(0), 0)\n )\n ))\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", - "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC721Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 2 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n // | | 36 | | 2. tokenId |\n \n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. tokenId |\n\n // There exists only 1 of each token.\n // require(amount == 1, \"INVALID_AMOUNT\")\n if sub(calldataload(100), 1) {\n // Revert with `Error(\"INVALID_AMOUNT\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from` and `to` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 64)\n\n // Copy `tokenId` field from our own calldata to the new calldata.\n let assetDataOffset := calldataload(4)\n calldatacopy(68, add(assetDataOffset, 72), 32)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let token := calldataload(add(assetDataOffset, 40))\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output to null\n 0 // output size is 0 bytes\n )\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", - "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAuthorizable.sol\";\n\n\ncontract MixinAuthorizable is\n Ownable,\n MAuthorizable\n{\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized {\n require(\n authorized[msg.sender],\n \"SENDER_NOT_AUTHORIZED\"\n );\n _;\n }\n\n mapping (address => bool) public authorized;\n address[] public authorities;\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n !authorized[target],\n \"TARGET_ALREADY_AUTHORIZED\"\n );\n\n authorized[target] = true;\n authorities.push(target);\n emit AuthorizedAddressAdded(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n\n delete authorized[target];\n for (uint256 i = 0; i < authorities.length; i++) {\n if (authorities[i] == target) {\n authorities[i] = authorities[authorities.length - 1];\n authorities.length -= 1;\n break;\n }\n }\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n require(\n index < authorities.length,\n \"INDEX_OUT_OF_BOUNDS\"\n );\n require(\n authorities[index] == target,\n \"AUTHORIZED_ADDRESS_MISMATCH\"\n );\n\n delete authorized[target];\n authorities[index] = authorities[authorities.length - 1];\n authorities.length -= 1;\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory)\n {\n return authorities;\n }\n}\n", - "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IAuthorizable.sol\";\n\n\ncontract IAssetProxy is\n IAuthorizable\n{\n /// @dev Transfers assets. Either succeeds or throws.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n function transferFrom(\n bytes assetData,\n address from,\n address to,\n uint256 amount\n )\n external;\n \n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4);\n}\n", - "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/Ownable/IOwnable.sol\";\n\n\ncontract IAuthorizable is\n IOwnable\n{\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external;\n \n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory);\n}\n", - "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAuthorizable.sol\";\n\n\ncontract MAuthorizable is\n IAuthorizable\n{\n // Event logged when a new address is authorized.\n event AuthorizedAddressAdded(\n address indexed target,\n address indexed caller\n );\n\n // Event logged when a currently authorized address is unauthorized.\n event AuthorizedAddressRemoved(\n address indexed target,\n address indexed caller\n );\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized { revert(); _; }\n}\n", - "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../multisig/MultiSigWalletWithTimeLock.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract AssetProxyOwner is\n MultiSigWalletWithTimeLock\n{\n using LibBytes for bytes;\n\n event AssetProxyRegistration(address assetProxyContract, bool isRegistered);\n\n // Mapping of AssetProxy contract address =>\n // if this contract is allowed to call the AssetProxy's `removeAuthorizedAddressAtIndex` method without a time lock.\n mapping (address => bool) public isAssetProxyRegistered;\n\n bytes4 constant internal REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR = bytes4(keccak256(\"removeAuthorizedAddressAtIndex(address,uint256)\"));\n\n /// @dev Function will revert if the transaction does not call `removeAuthorizedAddressAtIndex`\n /// on an approved AssetProxy contract.\n modifier validRemoveAuthorizedAddressAtIndexTx(uint256 transactionId) {\n Transaction storage txn = transactions[transactionId];\n require(\n isAssetProxyRegistered[txn.destination],\n \"UNREGISTERED_ASSET_PROXY\"\n );\n require(\n txn.data.readBytes4(0) == REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR,\n \"INVALID_FUNCTION_SELECTOR\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations,\n /// time lock, and list of AssetProxy addresses.\n /// @param _owners List of initial owners.\n /// @param _assetProxyContracts Array of AssetProxy contract addresses.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] memory _owners,\n address[] memory _assetProxyContracts,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWalletWithTimeLock(_owners, _required, _secondsTimeLocked)\n {\n for (uint256 i = 0; i < _assetProxyContracts.length; i++) {\n address assetProxy = _assetProxyContracts[i];\n require(\n assetProxy != address(0),\n \"INVALID_ASSET_PROXY\"\n );\n isAssetProxyRegistered[assetProxy] = true;\n }\n }\n\n /// @dev Registers or deregisters an AssetProxy to be able to execute\n /// `removeAuthorizedAddressAtIndex` without a timelock.\n /// @param assetProxyContract Address of AssetProxy contract.\n /// @param isRegistered Status of approval for AssetProxy contract.\n function registerAssetProxy(address assetProxyContract, bool isRegistered)\n public\n onlyWallet\n notNull(assetProxyContract)\n {\n isAssetProxyRegistered[assetProxyContract] = isRegistered;\n emit AssetProxyRegistration(assetProxyContract, isRegistered);\n }\n\n /// @dev Allows execution of `removeAuthorizedAddressAtIndex` without time lock.\n /// @param transactionId Transaction ID.\n function executeRemoveAuthorizedAddressAtIndex(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n validRemoveAuthorizedAddressAtIndexTx(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n}\n", - "2.0.0/protocol/Exchange/Exchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinExchangeCore.sol\";\nimport \"./MixinSignatureValidator.sol\";\nimport \"./MixinWrapperFunctions.sol\";\nimport \"./MixinAssetProxyDispatcher.sol\";\nimport \"./MixinTransactions.sol\";\nimport \"./MixinMatchOrders.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Exchange is\n MixinExchangeCore,\n MixinMatchOrders,\n MixinSignatureValidator,\n MixinTransactions,\n MixinAssetProxyDispatcher,\n MixinWrapperFunctions\n{\n string constant public VERSION = \"2.0.1-alpha\";\n\n // Mixins are instantiated in the order they are inherited\n constructor (bytes memory _zrxAssetData)\n public\n LibConstants(_zrxAssetData) // @TODO: Remove when we deploy.\n MixinExchangeCore()\n MixinMatchOrders()\n MixinSignatureValidator()\n MixinTransactions()\n MixinAssetProxyDispatcher()\n MixinWrapperFunctions()\n {}\n}\n", - "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\nimport \"../AssetProxy/interfaces/IAssetProxy.sol\";\n\n\ncontract MixinAssetProxyDispatcher is\n Ownable,\n MAssetProxyDispatcher\n{\n // Mapping from Asset Proxy Id's to their respective Asset Proxy\n mapping (bytes4 => IAssetProxy) public assetProxies;\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external\n onlyOwner\n {\n IAssetProxy assetProxyContract = IAssetProxy(assetProxy);\n\n // Ensure that no asset proxy exists with current id.\n bytes4 assetProxyId = assetProxyContract.getProxyId();\n address currentAssetProxy = assetProxies[assetProxyId];\n require(\n currentAssetProxy == address(0),\n \"ASSET_PROXY_ALREADY_EXISTS\"\n );\n\n // Add asset proxy and log registration.\n assetProxies[assetProxyId] = assetProxyContract;\n emit AssetProxyRegistered(\n assetProxyId,\n assetProxy\n );\n }\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address)\n {\n return assetProxies[assetProxyId];\n }\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal\n {\n // Do nothing if no amount should be transferred.\n if (amount > 0 && from != to) {\n // Ensure assetData length is valid\n require(\n assetData.length > 3,\n \"LENGTH_GREATER_THAN_3_REQUIRED\"\n );\n \n // Lookup assetProxy. We do not use `LibBytes.readBytes4` for gas efficiency reasons.\n bytes4 assetProxyId;\n assembly {\n assetProxyId := and(mload(\n add(assetData, 32)),\n 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000\n )\n }\n address assetProxy = assetProxies[assetProxyId];\n\n // Ensure that assetProxy exists\n require(\n assetProxy != address(0),\n \"ASSET_PROXY_DOES_NOT_EXIST\"\n );\n \n // We construct calldata for the `assetProxy.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n\n assembly {\n /////// Setup State ///////\n // `cdStart` is the start of the calldata for `assetProxy.transferFrom` (equal to free memory ptr).\n let cdStart := mload(64)\n // `dataAreaLength` is the total number of words needed to store `assetData`\n // As-per the ABI spec, this value is padded up to the nearest multiple of 32,\n // and includes 32-bytes for length.\n let dataAreaLength := and(add(mload(assetData), 63), 0xFFFFFFFFFFFE0)\n // `cdEnd` is the end of the calldata for `assetProxy.transferFrom`.\n let cdEnd := add(cdStart, add(132, dataAreaLength))\n\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFromSelector`.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes.\n // Notes:\n // 1. The offset to `assetData` is the length of the Params Area (128 bytes).\n // 2. A 20-byte mask is applied to addresses to zero-out the unused bytes.\n mstore(add(cdStart, 4), 128)\n mstore(add(cdStart, 36), and(from, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 68), and(to, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 100), amount)\n \n /////// Setup Data Area ///////\n // This area holds `assetData`.\n let dataArea := add(cdStart, 132)\n // solhint-disable-next-line no-empty-blocks\n for {} lt(dataArea, cdEnd) {} {\n mstore(dataArea, mload(assetData))\n dataArea := add(dataArea, 32)\n assetData := add(assetData, 32)\n }\n\n /////// Call `assetProxy.transferFrom` using the constructed calldata ///////\n let success := call(\n gas, // forward all gas\n assetProxy, // call address of asset proxy\n 0, // don't send any ETH\n cdStart, // pointer to start of input\n sub(cdEnd, cdStart), // length of input \n cdStart, // write output over input\n 512 // reserve 512 bytes for output\n )\n if iszero(success) {\n revert(cdStart, returndatasize())\n }\n }\n }\n }\n}\n", - "2.0.0/protocol/Exchange/MixinExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinExchangeCore is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n LibOrder,\n LibFillResults,\n MAssetProxyDispatcher,\n MExchangeCore,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of orderHash => amount of takerAsset already bought by maker\n mapping (bytes32 => uint256) public filled;\n\n // Mapping of orderHash => cancelled\n mapping (bytes32 => bool) public cancelled;\n\n // Mapping of makerAddress => senderAddress => lowest salt an order can have in order to be fillable\n // Orders with specified senderAddress and with a salt less than their epoch are considered cancelled\n mapping (address => mapping (address => uint256)) public orderEpoch;\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external\n nonReentrant\n {\n address makerAddress = getCurrentContextAddress();\n // If this function is called via `executeTransaction`, we only update the orderEpoch for the makerAddress/msg.sender combination.\n // This allows external filter contracts to add rules to how orders are cancelled via this function.\n address senderAddress = makerAddress == msg.sender ? address(0) : msg.sender;\n\n // orderEpoch is initialized to 0, so to cancelUpTo we need salt + 1\n uint256 newOrderEpoch = targetOrderEpoch + 1; \n uint256 oldOrderEpoch = orderEpoch[makerAddress][senderAddress];\n\n // Ensure orderEpoch is monotonically increasing\n require(\n newOrderEpoch > oldOrderEpoch, \n \"INVALID_NEW_ORDER_EPOCH\"\n );\n\n // Update orderEpoch\n orderEpoch[makerAddress][senderAddress] = newOrderEpoch;\n emit CancelUpTo(\n makerAddress,\n senderAddress,\n newOrderEpoch\n );\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrder(Order memory order)\n public\n nonReentrant\n {\n cancelOrderInternal(order);\n }\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(Order memory order)\n public\n view\n returns (OrderInfo memory orderInfo)\n {\n // Compute the order hash\n orderInfo.orderHash = getOrderHash(order);\n\n // Fetch filled amount\n orderInfo.orderTakerAssetFilledAmount = filled[orderInfo.orderHash];\n\n // If order.makerAssetAmount is zero, we also reject the order.\n // While the Exchange contract handles them correctly, they create\n // edge cases in the supporting infrastructure because they have\n // an 'infinite' price when computed by a simple division.\n if (order.makerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_MAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // If order.takerAssetAmount is zero, then the order will always\n // be considered filled because 0 == takerAssetAmount == orderTakerAssetFilledAmount\n // Instead of distinguishing between unfilled and filled zero taker\n // amount orders, we choose not to support them.\n if (order.takerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_TAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // Validate order availability\n if (orderInfo.orderTakerAssetFilledAmount >= order.takerAssetAmount) {\n orderInfo.orderStatus = uint8(OrderStatus.FULLY_FILLED);\n return orderInfo;\n }\n\n // Validate order expiration\n // solhint-disable-next-line not-rely-on-time\n if (block.timestamp >= order.expirationTimeSeconds) {\n orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);\n return orderInfo;\n }\n\n // Check if order has been cancelled\n if (cancelled[orderInfo.orderHash]) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n if (orderEpoch[order.makerAddress][order.senderAddress] > order.salt) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n\n // All other statuses are ruled out: order is Fillable\n orderInfo.orderStatus = uint8(OrderStatus.FILLABLE);\n return orderInfo;\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // Fetch order info\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Assert that the order is fillable by taker\n assertFillableOrder(\n order,\n orderInfo,\n takerAddress,\n signature\n );\n \n // Get amount of takerAsset to fill\n uint256 remainingTakerAssetAmount = safeSub(order.takerAssetAmount, orderInfo.orderTakerAssetFilledAmount);\n uint256 takerAssetFilledAmount = min256(takerAssetFillAmount, remainingTakerAssetAmount);\n\n // Validate context\n assertValidFill(\n order,\n orderInfo,\n takerAssetFillAmount,\n takerAssetFilledAmount,\n fillResults.makerAssetFilledAmount\n );\n\n // Compute proportional fill amounts\n fillResults = calculateFillResults(order, takerAssetFilledAmount);\n\n // Update exchange internal state\n updateFilledState(\n order,\n takerAddress,\n orderInfo.orderHash,\n orderInfo.orderTakerAssetFilledAmount,\n fillResults\n );\n \n // Settle order\n settleOrder(\n order,\n takerAddress,\n fillResults\n );\n\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrderInternal(Order memory order)\n internal\n {\n // Fetch current order status\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Validate context\n assertValidCancel(order, orderInfo);\n\n // Perform cancel\n updateCancelledState(order, orderInfo.orderHash);\n }\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n function updateFilledState(\n Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n FillResults memory fillResults\n )\n internal\n {\n // Update state\n filled[orderHash] = safeAdd(orderTakerAssetFilledAmount, fillResults.takerAssetFilledAmount);\n\n // Log order\n emit Fill(\n order.makerAddress,\n order.feeRecipientAddress,\n takerAddress,\n msg.sender,\n fillResults.makerAssetFilledAmount,\n fillResults.takerAssetFilledAmount,\n fillResults.makerFeePaid,\n fillResults.takerFeePaid,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n Order memory order,\n bytes32 orderHash\n )\n internal\n {\n // Perform cancel\n cancelled[orderHash] = true;\n\n // Log cancel\n emit Cancel(\n order.makerAddress,\n order.feeRecipientAddress,\n msg.sender,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n Order memory order,\n OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view\n {\n // An order can only be filled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n \n // Validate sender is allowed to fill this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n \n // Validate taker is allowed to fill this order\n if (order.takerAddress != address(0)) {\n require(\n order.takerAddress == takerAddress,\n \"INVALID_TAKER\"\n );\n }\n \n // Validate Maker signature (check only if first time seen)\n if (orderInfo.orderTakerAssetFilledAmount == 0) {\n require(\n isValidSignature(\n orderInfo.orderHash,\n order.makerAddress,\n signature\n ),\n \"INVALID_ORDER_SIGNATURE\"\n );\n }\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n Order memory order,\n OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount, // TODO: use FillResults\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view\n {\n // Revert if fill amount is invalid\n // TODO: reconsider necessity for v2.1\n require(\n takerAssetFillAmount != 0,\n \"INVALID_TAKER_AMOUNT\"\n );\n \n // Make sure taker does not pay more than desired amount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n takerAssetFilledAmount <= takerAssetFillAmount,\n \"TAKER_OVERPAY\"\n );\n \n // Make sure order is not overfilled\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeAdd(orderInfo.orderTakerAssetFilledAmount, takerAssetFilledAmount) <= order.takerAssetAmount,\n \"ORDER_OVERFILL\"\n );\n \n // Make sure order is filled at acceptable price.\n // The order has an implied price from the makers perspective:\n // order price = order.makerAssetAmount / order.takerAssetAmount\n // i.e. the number of makerAsset maker is paying per takerAsset. The\n // maker is guaranteed to get this price or a better (lower) one. The\n // actual price maker is getting in this fill is:\n // fill price = makerAssetFilledAmount / takerAssetFilledAmount\n // We need `fill price <= order price` for the fill to be fair to maker.\n // This amounts to:\n // makerAssetFilledAmount order.makerAssetAmount\n // ------------------------ <= -----------------------\n // takerAssetFilledAmount order.takerAssetAmount\n // or, equivalently:\n // makerAssetFilledAmount * order.takerAssetAmount <=\n // order.makerAssetAmount * takerAssetFilledAmount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeMul(makerAssetFilledAmount, order.takerAssetAmount)\n <= \n safeMul(order.makerAssetAmount, takerAssetFilledAmount),\n \"INVALID_FILL_PRICE\"\n );\n }\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n Order memory order,\n OrderInfo memory orderInfo\n )\n internal\n view\n {\n // Ensure order is valid\n // An order can only be cancelled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Validate sender is allowed to cancel this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate transaction signed by maker\n address makerAddress = getCurrentContextAddress();\n require(\n order.makerAddress == makerAddress,\n \"INVALID_MAKER\"\n );\n }\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (FillResults memory fillResults)\n {\n // Compute proportional transfer amounts\n fillResults.takerAssetFilledAmount = takerAssetFilledAmount;\n fillResults.makerAssetFilledAmount = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n );\n fillResults.makerFeePaid = safeGetPartialAmountFloor(\n fillResults.makerAssetFilledAmount,\n order.makerAssetAmount,\n order.makerFee\n );\n fillResults.takerFeePaid = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.takerFee\n );\n\n return fillResults;\n }\n\n /// @dev Settles an order by transferring assets between counterparties.\n /// @param order Order struct containing order specifications.\n /// @param takerAddress Address selling takerAsset and buying makerAsset.\n /// @param fillResults Amounts to be filled and fees paid by maker and taker.\n function settleOrder(\n LibOrder.Order memory order,\n address takerAddress,\n LibFillResults.FillResults memory fillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n dispatchTransferFrom(\n order.makerAssetData,\n order.makerAddress,\n takerAddress,\n fillResults.makerAssetFilledAmount\n );\n dispatchTransferFrom(\n order.takerAssetData,\n takerAddress,\n order.makerAddress,\n fillResults.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n zrxAssetData,\n order.makerAddress,\n order.feeRecipientAddress,\n fillResults.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n order.feeRecipientAddress,\n fillResults.takerFeePaid\n );\n }\n}\n", - "2.0.0/protocol/Exchange/MixinMatchOrders.sol": "/*\n Copyright 2018 ZeroEx Intl.\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n http://www.apache.org/licenses/LICENSE-2.0\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MMatchOrders.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinMatchOrders is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n MAssetProxyDispatcher,\n MExchangeCore,\n MMatchOrders,\n MTransactions\n{\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n nonReentrant\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We assume that rightOrder.takerAssetData == leftOrder.makerAssetData and rightOrder.makerAssetData == leftOrder.takerAssetData.\n // If this assumption isn't true, the match will fail at signature validation.\n rightOrder.makerAssetData = leftOrder.takerAssetData;\n rightOrder.takerAssetData = leftOrder.makerAssetData;\n\n // Get left & right order info\n LibOrder.OrderInfo memory leftOrderInfo = getOrderInfo(leftOrder);\n LibOrder.OrderInfo memory rightOrderInfo = getOrderInfo(rightOrder);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Either our context is valid or we revert\n assertFillableOrder(\n leftOrder,\n leftOrderInfo,\n takerAddress,\n leftSignature\n );\n assertFillableOrder(\n rightOrder,\n rightOrderInfo,\n takerAddress,\n rightSignature\n );\n assertValidMatch(leftOrder, rightOrder);\n\n // Compute proportional fill amounts\n matchedFillResults = calculateMatchedFillResults(\n leftOrder,\n rightOrder,\n leftOrderInfo.orderTakerAssetFilledAmount,\n rightOrderInfo.orderTakerAssetFilledAmount\n );\n\n // Validate fill contexts\n assertValidFill(\n leftOrder,\n leftOrderInfo,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.makerAssetFilledAmount\n );\n assertValidFill(\n rightOrder,\n rightOrderInfo,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n \n // Update exchange state\n updateFilledState(\n leftOrder,\n takerAddress,\n leftOrderInfo.orderHash,\n leftOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.left\n );\n updateFilledState(\n rightOrder,\n takerAddress,\n rightOrderInfo.orderHash,\n rightOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.right\n );\n\n // Settle matched orders. Succeeds or throws.\n settleMatchedOrders(\n leftOrder,\n rightOrder,\n takerAddress,\n matchedFillResults\n );\n\n return matchedFillResults;\n }\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure\n {\n // Make sure there is a profitable spread.\n // There is a profitable spread iff the cost per unit bought (OrderA.MakerAmount/OrderA.TakerAmount) for each order is greater\n // than the profit per unit sold of the matched order (OrderB.TakerAmount/OrderB.MakerAmount).\n // This is satisfied by the equations below:\n // / >= / \n // AND\n // / >= / \n // These equations can be combined to get the following:\n require(\n safeMul(leftOrder.makerAssetAmount, rightOrder.makerAssetAmount) >=\n safeMul(leftOrder.takerAssetAmount, rightOrder.takerAssetAmount),\n \"NEGATIVE_SPREAD_REQUIRED\"\n );\n }\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // Derive maker asset amounts for left & right orders, given store taker assert amounts\n uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);\n uint256 leftMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n leftTakerAssetAmountRemaining\n );\n uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);\n uint256 rightMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n rightOrder.makerAssetAmount,\n rightOrder.takerAssetAmount,\n rightTakerAssetAmountRemaining\n );\n\n // Calculate fill results for maker and taker assets: at least one order will be fully filled.\n // The maximum amount the left maker can buy is `leftTakerAssetAmountRemaining`\n // The maximum amount the right maker can sell is `rightMakerAssetAmountRemaining`\n // We have two distinct cases for calculating the fill results:\n // Case 1.\n // If the left maker can buy more than the right maker can sell, then only the right order is fully filled.\n // If the left maker can buy exactly what the right maker can sell, then both orders are fully filled.\n // Case 2.\n // If the left maker cannot buy more than the right maker can sell, then only the left order is fully filled.\n if (leftTakerAssetAmountRemaining >= rightMakerAssetAmountRemaining) {\n // Case 1: Right order is fully filled\n matchedFillResults.right.makerAssetFilledAmount = rightMakerAssetAmountRemaining;\n matchedFillResults.right.takerAssetFilledAmount = rightTakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = matchedFillResults.right.makerAssetFilledAmount;\n // Round down to ensure the maker's exchange rate does not exceed the price specified by the order. \n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.left.makerAssetFilledAmount = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n matchedFillResults.left.takerAssetFilledAmount\n );\n } else {\n // Case 2: Left order is fully filled\n matchedFillResults.left.makerAssetFilledAmount = leftMakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = leftTakerAssetAmountRemaining;\n matchedFillResults.right.makerAssetFilledAmount = matchedFillResults.left.takerAssetFilledAmount;\n // Round up to ensure the maker's exchange rate does not exceed the price specified by the order.\n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.right.takerAssetFilledAmount = safeGetPartialAmountCeil(\n rightOrder.takerAssetAmount,\n rightOrder.makerAssetAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n }\n\n // Calculate amount given to taker\n matchedFillResults.leftMakerAssetSpreadAmount = safeSub(\n matchedFillResults.left.makerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount\n );\n\n // Compute fees for left order\n matchedFillResults.left.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.makerAssetFilledAmount,\n leftOrder.makerAssetAmount,\n leftOrder.makerFee\n );\n matchedFillResults.left.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.takerAssetFilledAmount,\n leftOrder.takerAssetAmount,\n leftOrder.takerFee\n );\n\n // Compute fees for right order\n matchedFillResults.right.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.makerAssetFilledAmount,\n rightOrder.makerAssetAmount,\n rightOrder.makerFee\n );\n matchedFillResults.right.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.takerAssetFilledAmount,\n rightOrder.takerAssetAmount,\n rightOrder.takerFee\n );\n\n // Return fill results\n return matchedFillResults;\n }\n\n /// @dev Settles matched order by transferring appropriate funds between order makers, taker, and fee recipient.\n /// @param leftOrder First matched order.\n /// @param rightOrder Second matched order.\n /// @param takerAddress Address that matched the orders. The taker receives the spread between orders as profit.\n /// @param matchedFillResults Struct holding amounts to transfer between makers, taker, and fee recipients.\n function settleMatchedOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n address takerAddress,\n LibFillResults.MatchedFillResults memory matchedFillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n // Order makers and taker\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n rightOrder.makerAddress,\n matchedFillResults.right.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n rightOrder.makerAssetData,\n rightOrder.makerAddress,\n leftOrder.makerAddress,\n matchedFillResults.left.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n takerAddress,\n matchedFillResults.leftMakerAssetSpreadAmount\n );\n\n // Maker fees\n dispatchTransferFrom(\n zrxAssetData,\n leftOrder.makerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n rightOrder.makerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.makerFeePaid\n );\n\n // Taker fees\n if (leftOrder.feeRecipientAddress == rightOrder.feeRecipientAddress) {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n safeAdd(\n matchedFillResults.left.takerFeePaid,\n matchedFillResults.right.takerFeePaid\n )\n );\n } else {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.takerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.takerFeePaid\n );\n }\n }\n}\n", - "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./interfaces/IWallet.sol\";\nimport \"./interfaces/IValidator.sol\";\n\n\ncontract MixinSignatureValidator is\n ReentrancyGuard,\n MSignatureValidator,\n MTransactions\n{\n using LibBytes for bytes;\n \n // Mapping of hash => signer => signed\n mapping (bytes32 => mapping (address => bool)) public preSigned;\n\n // Mapping of signer => validator => approved\n mapping (address => mapping (address => bool)) public allowedValidators;\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n {\n if (signerAddress != msg.sender) {\n require(\n isValidSignature(\n hash,\n signerAddress,\n signature\n ),\n \"INVALID_SIGNATURE\"\n );\n }\n preSigned[hash][signerAddress] = true;\n }\n\n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external\n nonReentrant\n {\n address signerAddress = getCurrentContextAddress();\n allowedValidators[signerAddress][validatorAddress] = approval;\n emit SignatureValidatorApproval(\n signerAddress,\n validatorAddress,\n approval\n );\n }\n\n /// @dev Verifies that a hash has been signed by the given signer.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid)\n {\n require(\n signature.length > 0,\n \"LENGTH_GREATER_THAN_0_REQUIRED\"\n );\n\n // Pop last byte off of signature byte array.\n uint8 signatureTypeRaw = uint8(signature.popLastByte());\n\n // Ensure signature is supported\n require(\n signatureTypeRaw < uint8(SignatureType.NSignatureTypes),\n \"SIGNATURE_UNSUPPORTED\"\n );\n\n SignatureType signatureType = SignatureType(signatureTypeRaw);\n\n // Variables are not scoped in Solidity.\n uint8 v;\n bytes32 r;\n bytes32 s;\n address recovered;\n\n // Always illegal signature.\n // This is always an implicit option since a signer can create a\n // signature array with invalid type or length. We may as well make\n // it an explicit option. This aids testing and analysis. It is\n // also the initialization value for the enum type.\n if (signatureType == SignatureType.Illegal) {\n revert(\"SIGNATURE_ILLEGAL\");\n\n // Always invalid signature.\n // Like Illegal, this is always implicitly available and therefore\n // offered explicitly. It can be implicitly created by providing\n // a correctly formatted but incorrect signature.\n } else if (signatureType == SignatureType.Invalid) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = false;\n return isValid;\n\n // Signature using EIP712\n } else if (signatureType == SignatureType.EIP712) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n hash,\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signed using web3.eth_sign\n } else if (signatureType == SignatureType.EthSign) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n32\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signature verified by wallet contract.\n // If used with an order, the maker of the order is the wallet contract.\n } else if (signatureType == SignatureType.Wallet) {\n isValid = isValidWalletSignature(\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signature verified by validator contract.\n // If used with an order, the maker of the order can still be an EOA.\n // A signature using this type should be encoded as:\n // | Offset | Length | Contents |\n // | 0x00 | x | Signature to validate |\n // | 0x00 + x | 20 | Address of validator contract |\n // | 0x14 + x | 1 | Signature type is always \"\\x06\" |\n } else if (signatureType == SignatureType.Validator) {\n // Pop last 20 bytes off of signature byte array.\n address validatorAddress = signature.popLast20Bytes();\n \n // Ensure signer has approved validator.\n if (!allowedValidators[signerAddress][validatorAddress]) {\n return false;\n }\n isValid = isValidValidatorSignature(\n validatorAddress,\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signer signed hash previously using the preSign function.\n } else if (signatureType == SignatureType.PreSigned) {\n isValid = preSigned[hash][signerAddress];\n return isValid;\n }\n\n // Anything else is illegal (We do not return false because\n // the signature may actually be valid, just not in a format\n // that we currently support. In this case returning false\n // may lead the caller to incorrectly believe that the\n // signature was invalid.)\n revert(\"SIGNATURE_UNSUPPORTED\");\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if signature is valid for given wallet..\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IWallet(walletAddress).isValidSignature.selector,\n hash,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n walletAddress, // address of Wallet contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"WALLET_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000c57414c4c45545f4552524f5200000000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IValidator(signerAddress).isValidSignature.selector,\n hash,\n signerAddress,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n validatorAddress, // address of Validator contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"VALIDATOR_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f56414c494441544f525f4552524f5200000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n}\n", - "2.0.0/protocol/Exchange/MixinTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"./libs/LibExchangeErrors.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./libs/LibEIP712.sol\";\n\n\ncontract MixinTransactions is\n LibEIP712,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of transaction hash => executed\n // This prevents transactions from being executed more than once.\n mapping (bytes32 => bool) public transactions;\n\n // Address of current transaction signer\n address public currentContextAddress;\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external\n {\n // Prevent reentrancy\n require(\n currentContextAddress == address(0),\n \"REENTRANCY_ILLEGAL\"\n );\n\n bytes32 transactionHash = hashEIP712Message(hashZeroExTransaction(\n salt,\n signerAddress,\n data\n ));\n\n // Validate transaction has not been executed\n require(\n !transactions[transactionHash],\n \"INVALID_TX_HASH\"\n );\n\n // Transaction always valid if signer is sender of transaction\n if (signerAddress != msg.sender) {\n // Validate signature\n require(\n isValidSignature(\n transactionHash,\n signerAddress,\n signature\n ),\n \"INVALID_TX_SIGNATURE\"\n );\n\n // Set the current transaction signer\n currentContextAddress = signerAddress;\n }\n\n // Execute transaction\n transactions[transactionHash] = true;\n require(\n address(this).delegatecall(data),\n \"FAILED_EXECUTION\"\n );\n\n // Reset current transaction signer if it was previously updated\n if (signerAddress != msg.sender) {\n currentContextAddress = address(0);\n }\n }\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;\n bytes32 dataHash = keccak256(data);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,\n // salt,\n // bytes32(signerAddress),\n // keccak256(data)\n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, schemaHash) // hash of schema\n mstore(add(memPtr, 32), salt) // salt\n mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff)) // signerAddress\n mstore(add(memPtr, 96), dataHash) // hash of data\n\n // Compute hash\n result := keccak256(memPtr, 128)\n }\n return result;\n }\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address)\n {\n address currentContextAddress_ = currentContextAddress;\n address contextAddress = currentContextAddress_ == address(0) ? msg.sender : currentContextAddress_;\n return contextAddress;\n }\n}\n", - "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibAbiEncoder.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MWrapperFunctions.sol\";\n\n\ncontract MixinWrapperFunctions is\n ReentrancyGuard,\n LibMath,\n LibFillResults,\n LibAbiEncoder,\n MExchangeCore,\n MWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrKillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n // Delegate to `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := delegatecall(\n gas, // forward all gas\n address, // call address of this contract\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrKillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n \n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public\n nonReentrant\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n cancelOrderInternal(orders[i]);\n }\n }\n\n /// @dev Fetches information for all passed in orders.\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n LibOrder.OrderInfo[] memory ordersInfo = new LibOrder.OrderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n ordersInfo[i] = getOrderInfo(orders[i]);\n }\n return ordersInfo;\n }\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n require(\n fillResults.takerAssetFilledAmount == takerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return fillResults;\n }\n}\n", - "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssetProxyDispatcher {\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external;\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IExchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./IExchangeCore.sol\";\nimport \"./IMatchOrders.sol\";\nimport \"./ISignatureValidator.sol\";\nimport \"./ITransactions.sol\";\nimport \"./IAssetProxyDispatcher.sol\";\nimport \"./IWrapperFunctions.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract IExchange is\n IExchangeCore,\n IMatchOrders,\n ISignatureValidator,\n ITransactions,\n IAssetProxyDispatcher,\n IWrapperFunctions\n{}\n", - "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IExchangeCore {\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external;\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrder(LibOrder.Order memory order)\n public;\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(LibOrder.Order memory order)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IMatchOrders {\n\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n}\n", - "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ISignatureValidator {\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external;\n \n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external;\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address of signer.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\n\ncontract ITransactions {\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external;\n}\n", - "2.0.0/protocol/Exchange/interfaces/IValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IValidator {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IWallet {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IWrapperFunctions {\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public;\n\n /// @dev Fetches information for all passed in orders\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory);\n}\n", - "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./LibOrder.sol\";\n\n\ncontract LibAbiEncoder {\n\n /// @dev ABI encodes calldata for `fillOrder`.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return ABI encoded calldata for `fillOrder`.\n function abiEncodeFillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n pure\n returns (bytes memory fillOrderCalldata)\n {\n // We need to call MExchangeCore.fillOrder using a delegatecall in\n // assembly so that we can intercept a call that throws. For this, we\n // need the input encoded in memory in the Ethereum ABIv2 format [1].\n\n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0x00 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 0x00 | | 1. offset to order (*) |\n // | | 0x20 | | 2. takerAssetFillAmount |\n // | | 0x40 | | 3. offset to signature (*) |\n // | Data | | 12 * 32 | order: |\n // | | 0x000 | | 1. senderAddress |\n // | | 0x020 | | 2. makerAddress |\n // | | 0x040 | | 3. takerAddress |\n // | | 0x060 | | 4. feeRecipientAddress |\n // | | 0x080 | | 5. makerAssetAmount |\n // | | 0x0A0 | | 6. takerAssetAmount |\n // | | 0x0C0 | | 7. makerFeeAmount |\n // | | 0x0E0 | | 8. takerFeeAmount |\n // | | 0x100 | | 9. expirationTimeSeconds |\n // | | 0x120 | | 10. salt |\n // | | 0x140 | | 11. Offset to makerAssetData (*) |\n // | | 0x160 | | 12. Offset to takerAssetData (*) |\n // | | 0x180 | 32 | makerAssetData Length |\n // | | 0x1A0 | ** | makerAssetData Contents |\n // | | 0x1C0 | 32 | takerAssetData Length |\n // | | 0x1E0 | ** | takerAssetData Contents |\n // | | 0x200 | 32 | signature Length |\n // | | 0x220 | ** | signature Contents |\n\n // * Offsets are calculated from the beginning of the current area: Header, Params, Data:\n // An offset stored in the Params area is calculated from the beginning of the Params section.\n // An offset stored in the Data area is calculated from the beginning of the Data section.\n\n // ** The length of dynamic array contents are stored in the field immediately preceeding the contents.\n\n // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html\n\n assembly {\n\n // Areas below may use the following variables:\n // 1. Start -- Start of this area in memory\n // 2. End -- End of this area in memory. This value may\n // be precomputed (before writing contents),\n // or it may be computed as contents are written.\n // 3. Offset -- Current offset into area. If an area's End\n // is precomputed, this variable tracks the\n // offsets of contents as they are written.\n\n /////// Setup Header Area ///////\n // Load free memory pointer\n fillOrderCalldata := mload(0x40)\n // bytes4(keccak256(\"fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)\"))\n // = 0xb4be83d5\n // Leave 0x20 bytes to store the length\n mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000)\n let headerAreaEnd := add(fillOrderCalldata, 0x24)\n\n /////// Setup Params Area ///////\n // This area is preallocated and written to later.\n // This is because we need to fill in offsets that have not yet been calculated.\n let paramsAreaStart := headerAreaEnd\n let paramsAreaEnd := add(paramsAreaStart, 0x60)\n let paramsAreaOffset := paramsAreaStart\n\n /////// Setup Data Area ///////\n let dataAreaStart := paramsAreaEnd\n let dataAreaEnd := dataAreaStart\n\n // Offset from the source data we're reading from\n let sourceOffset := order\n // arrayLenBytes and arrayLenWords track the length of a dynamically-allocated bytes array.\n let arrayLenBytes := 0\n let arrayLenWords := 0\n\n /////// Write order Struct ///////\n // Write memory location of Order, relative to the start of the\n // parameter list, then increment the paramsAreaOffset respectively.\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n // Write values for each field in the order\n // It would be nice to use a loop, but we save on gas by writing\n // the stores sequentially.\n mstore(dataAreaEnd, mload(sourceOffset)) // makerAddress\n mstore(add(dataAreaEnd, 0x20), mload(add(sourceOffset, 0x20))) // takerAddress\n mstore(add(dataAreaEnd, 0x40), mload(add(sourceOffset, 0x40))) // feeRecipientAddress\n mstore(add(dataAreaEnd, 0x60), mload(add(sourceOffset, 0x60))) // senderAddress\n mstore(add(dataAreaEnd, 0x80), mload(add(sourceOffset, 0x80))) // makerAssetAmount\n mstore(add(dataAreaEnd, 0xA0), mload(add(sourceOffset, 0xA0))) // takerAssetAmount\n mstore(add(dataAreaEnd, 0xC0), mload(add(sourceOffset, 0xC0))) // makerFeeAmount\n mstore(add(dataAreaEnd, 0xE0), mload(add(sourceOffset, 0xE0))) // takerFeeAmount\n mstore(add(dataAreaEnd, 0x100), mload(add(sourceOffset, 0x100))) // expirationTimeSeconds\n mstore(add(dataAreaEnd, 0x120), mload(add(sourceOffset, 0x120))) // salt\n mstore(add(dataAreaEnd, 0x140), mload(add(sourceOffset, 0x140))) // Offset to makerAssetData\n mstore(add(dataAreaEnd, 0x160), mload(add(sourceOffset, 0x160))) // Offset to takerAssetData\n dataAreaEnd := add(dataAreaEnd, 0x180)\n sourceOffset := add(sourceOffset, 0x180)\n\n // Write offset to \n mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x140)) // makerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Write offset to \n mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x160)) // takerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n /////// Write takerAssetFillAmount ///////\n mstore(paramsAreaOffset, takerAssetFillAmount)\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n /////// Write signature ///////\n // Write offset to paramsArea\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n\n // Calculate length of signature\n sourceOffset := signature\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of signature\n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of signature\n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Set length of calldata\n mstore(fillOrderCalldata, sub(dataAreaEnd, add(fillOrderCalldata, 0x20)))\n\n // Increment free memory pointer\n mstore(0x40, dataAreaEnd)\n }\n\n return fillOrderCalldata;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\n// solhint-disable max-line-length\ncontract LibConstants {\n \n // Asset data for ZRX token. Used for fee transfers.\n // @TODO: Hardcode constant when we deploy. Currently \n // not constant to make testing easier.\n\n // The proxyId for ZRX_ASSET_DATA is bytes4(keccak256(\"ERC20Token(address)\")) = 0xf47261b0\n \n // Kovan ZRX address is 0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570.\n // The ABI encoded proxyId and address is 0xf47261b00000000000000000000000006ff6c0ff1d68b964901f986d4c9fa3ac68346570\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x6f\\xf6\\xc0\\xff\\x1d\\x68\\xb9\\x64\\x90\\x1f\\x98\\x6d\\x4c\\x9f\\xa3\\xac\\x68\\x34\\x65\\x70\";\n \n // Mainnet ZRX address is 0xe41d2489571d322189246dafa5ebde1f4699f498.\n // The ABI encoded proxyId and address is 0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xe4\\x1d\\x24\\x89\\x57\\x1d\\x32\\x21\\x89\\x24\\x6d\\xaf\\xa5\\xeb\\xde\\x1f\\x46\\x99\\xf4\\x98\";\n \n // solhint-disable-next-line var-name-mixedcase\n bytes public ZRX_ASSET_DATA;\n\n // @TODO: Remove when we deploy.\n constructor (bytes memory zrxAssetData)\n public\n {\n ZRX_ASSET_DATA = zrxAssetData;\n }\n}\n// solhint-enable max-line-length\n", - "2.0.0/protocol/Exchange/libs/LibEIP712.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract LibEIP712 {\n\n // EIP191 header for EIP712 prefix\n string constant internal EIP191_HEADER = \"\\x19\\x01\";\n\n // EIP712 Domain Name value\n string constant internal EIP712_DOMAIN_NAME = \"0x Protocol\";\n\n // EIP712 Domain Version value\n string constant internal EIP712_DOMAIN_VERSION = \"2\";\n\n // Hash of the EIP712 Domain Separator Schema\n bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"EIP712Domain(\",\n \"string name,\",\n \"string version,\",\n \"address verifyingContract\",\n \")\"\n ));\n\n // Hash of the EIP712 Domain Separator data\n // solhint-disable-next-line var-name-mixedcase\n bytes32 public EIP712_DOMAIN_HASH;\n\n constructor ()\n public\n {\n EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(\n EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,\n keccak256(bytes(EIP712_DOMAIN_NAME)),\n keccak256(bytes(EIP712_DOMAIN_VERSION)),\n bytes32(address(this))\n ));\n }\n\n /// @dev Calculates EIP712 encoding for a hash struct in this EIP712 Domain.\n /// @param hashStruct The EIP712 hash struct.\n /// @return EIP712 hash applied to this EIP712 Domain.\n function hashEIP712Message(bytes32 hashStruct)\n internal\n view\n returns (bytes32 result)\n {\n bytes32 eip712DomainHash = EIP712_DOMAIN_HASH;\n\n // Assembly for more efficient computing:\n // keccak256(abi.encodePacked(\n // EIP191_HEADER,\n // EIP712_DOMAIN_HASH,\n // hashStruct \n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, 0x1901000000000000000000000000000000000000000000000000000000000000) // EIP191 header\n mstore(add(memPtr, 2), eip712DomainHash) // EIP712 domain hash\n mstore(add(memPtr, 34), hashStruct) // Hash of struct\n\n // Compute hash\n result := keccak256(memPtr, 66)\n }\n return result;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity 0.4.24;\n\n\n/// @dev This contract documents the revert reasons used in the Exchange contract.\n/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons.\ncontract LibExchangeErrors {\n\n /// Order validation errors ///\n string constant ORDER_UNFILLABLE = \"ORDER_UNFILLABLE\"; // Order cannot be filled.\n string constant INVALID_MAKER = \"INVALID_MAKER\"; // Invalid makerAddress.\n string constant INVALID_TAKER = \"INVALID_TAKER\"; // Invalid takerAddress.\n string constant INVALID_SENDER = \"INVALID_SENDER\"; // Invalid `msg.sender`.\n string constant INVALID_ORDER_SIGNATURE = \"INVALID_ORDER_SIGNATURE\"; // Signature validation failed. \n \n /// fillOrder validation errors ///\n string constant INVALID_TAKER_AMOUNT = \"INVALID_TAKER_AMOUNT\"; // takerAssetFillAmount cannot equal 0.\n string constant ROUNDING_ERROR = \"ROUNDING_ERROR\"; // Rounding error greater than 0.1% of takerAssetFillAmount. \n \n /// Signature validation errors ///\n string constant INVALID_SIGNATURE = \"INVALID_SIGNATURE\"; // Signature validation failed. \n string constant SIGNATURE_ILLEGAL = \"SIGNATURE_ILLEGAL\"; // Signature type is illegal.\n string constant SIGNATURE_UNSUPPORTED = \"SIGNATURE_UNSUPPORTED\"; // Signature type unsupported.\n \n /// cancelOrdersUptTo errors ///\n string constant INVALID_NEW_ORDER_EPOCH = \"INVALID_NEW_ORDER_EPOCH\"; // Specified salt must be greater than or equal to existing orderEpoch.\n\n /// fillOrKillOrder errors ///\n string constant COMPLETE_FILL_FAILED = \"COMPLETE_FILL_FAILED\"; // Desired takerAssetFillAmount could not be completely filled. \n\n /// matchOrders errors ///\n string constant NEGATIVE_SPREAD_REQUIRED = \"NEGATIVE_SPREAD_REQUIRED\"; // Matched orders must have a negative spread.\n\n /// Transaction errors ///\n string constant REENTRANCY_ILLEGAL = \"REENTRANCY_ILLEGAL\"; // Recursive reentrancy is not allowed. \n string constant INVALID_TX_HASH = \"INVALID_TX_HASH\"; // Transaction has already been executed. \n string constant INVALID_TX_SIGNATURE = \"INVALID_TX_SIGNATURE\"; // Signature validation failed. \n string constant FAILED_EXECUTION = \"FAILED_EXECUTION\"; // Transaction execution failed. \n \n /// registerAssetProxy errors ///\n string constant ASSET_PROXY_ALREADY_EXISTS = \"ASSET_PROXY_ALREADY_EXISTS\"; // AssetProxy with same id already exists.\n\n /// dispatchTransferFrom errors ///\n string constant ASSET_PROXY_DOES_NOT_EXIST = \"ASSET_PROXY_DOES_NOT_EXIST\"; // No assetProxy registered at given id.\n string constant TRANSFER_FAILED = \"TRANSFER_FAILED\"; // Asset transfer unsuccesful.\n\n /// Length validation errors ///\n string constant LENGTH_GREATER_THAN_0_REQUIRED = \"LENGTH_GREATER_THAN_0_REQUIRED\"; // Byte array must have a length greater than 0.\n string constant LENGTH_GREATER_THAN_3_REQUIRED = \"LENGTH_GREATER_THAN_3_REQUIRED\"; // Byte array must have a length greater than 3.\n string constant LENGTH_0_REQUIRED = \"LENGTH_0_REQUIRED\"; // Byte array must have a length of 0.\n string constant LENGTH_65_REQUIRED = \"LENGTH_65_REQUIRED\"; // Byte array must have a length of 65.\n}\n", - "2.0.0/protocol/Exchange/libs/LibFillResults.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibFillResults is\n SafeMath\n{\n struct FillResults {\n uint256 makerAssetFilledAmount; // Total amount of makerAsset(s) filled.\n uint256 takerAssetFilledAmount; // Total amount of takerAsset(s) filled.\n uint256 makerFeePaid; // Total amount of ZRX paid by maker(s) to feeRecipient(s).\n uint256 takerFeePaid; // Total amount of ZRX paid by taker to feeRecipients(s).\n }\n\n struct MatchedFillResults {\n FillResults left; // Amounts filled and fees paid of left order.\n FillResults right; // Amounts filled and fees paid of right order.\n uint256 leftMakerAssetSpreadAmount; // Spread between price of left and right order, denominated in the left order's makerAsset, paid to taker.\n }\n\n /// @dev Adds properties of both FillResults instances.\n /// Modifies the first FillResults instance specified.\n /// @param totalFillResults Fill results instance that will be added onto.\n /// @param singleFillResults Fill results instance that will be added to totalFillResults.\n function addFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)\n internal\n pure\n {\n totalFillResults.makerAssetFilledAmount = safeAdd(totalFillResults.makerAssetFilledAmount, singleFillResults.makerAssetFilledAmount);\n totalFillResults.takerAssetFilledAmount = safeAdd(totalFillResults.takerAssetFilledAmount, singleFillResults.takerAssetFilledAmount);\n totalFillResults.makerFeePaid = safeAdd(totalFillResults.makerFeePaid, singleFillResults.makerFeePaid);\n totalFillResults.takerFeePaid = safeAdd(totalFillResults.takerFeePaid, singleFillResults.takerFeePaid);\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibMath.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibMath is\n SafeMath\n{\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function safeGetPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorFloor(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function safeGetPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorCeil(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function getPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function getPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // The absolute rounding error is the difference between the rounded\n // value and the ideal value. The relative rounding error is the\n // absolute rounding error divided by the absolute value of the\n // ideal value. This is undefined when the ideal value is zero.\n //\n // The ideal value is `numerator * target / denominator`.\n // Let's call `numerator * target % denominator` the remainder.\n // The absolute error is `remainder / denominator`.\n //\n // When the ideal value is zero, we require the absolute error to\n // be zero. Fortunately, this is always the case. The ideal value is\n // zero iff `numerator == 0` and/or `target == 0`. In this case the\n // remainder and absolute error are also zero. \n if (target == 0 || numerator == 0) {\n return false;\n }\n \n // Otherwise, we want the relative rounding error to be strictly\n // less than 0.1%.\n // The relative error is `remainder / (numerator * target)`.\n // We want the relative error less than 1 / 1000:\n // remainder / (numerator * denominator) < 1 / 1000\n // or equivalently:\n // 1000 * remainder < numerator * target\n // so we have a rounding error iff:\n // 1000 * remainder >= numerator * target\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding up.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // See the comments in `isRoundingError`.\n if (target == 0 || numerator == 0) {\n // When either is zero, the ideal value and rounded value are zero\n // and there is no rounding error. (Although the relative error\n // is undefined.)\n return false;\n }\n // Compute remainder as before\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n remainder = safeSub(denominator, remainder) % denominator;\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibOrder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./LibEIP712.sol\";\n\n\ncontract LibOrder is\n LibEIP712\n{\n // Hash for the EIP712 Order Schema\n bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"Order(\",\n \"address makerAddress,\",\n \"address takerAddress,\",\n \"address feeRecipientAddress,\",\n \"address senderAddress,\",\n \"uint256 makerAssetAmount,\",\n \"uint256 takerAssetAmount,\",\n \"uint256 makerFee,\",\n \"uint256 takerFee,\",\n \"uint256 expirationTimeSeconds,\",\n \"uint256 salt,\",\n \"bytes makerAssetData,\",\n \"bytes takerAssetData\",\n \")\"\n ));\n\n // A valid order remains fillable until it is expired, fully filled, or cancelled.\n // An order's state is unaffected by external factors, like account balances.\n enum OrderStatus {\n INVALID, // Default value\n INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount\n INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount\n FILLABLE, // Order is fillable\n EXPIRED, // Order has already expired\n FULLY_FILLED, // Order is fully filled\n CANCELLED // Order has been cancelled\n }\n\n // solhint-disable max-line-length\n struct Order {\n address makerAddress; // Address that created the order. \n address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order. \n address feeRecipientAddress; // Address that will recieve fees when order is filled. \n address senderAddress; // Address that is allowed to call Exchange contract methods that affect this order. If set to 0, any address is allowed to call these methods.\n uint256 makerAssetAmount; // Amount of makerAsset being offered by maker. Must be greater than 0. \n uint256 takerAssetAmount; // Amount of takerAsset being bid on by maker. Must be greater than 0. \n uint256 makerFee; // Amount of ZRX paid to feeRecipient by maker when order is filled. If set to 0, no transfer of ZRX from maker to feeRecipient will be attempted.\n uint256 takerFee; // Amount of ZRX paid to feeRecipient by taker when order is filled. If set to 0, no transfer of ZRX from taker to feeRecipient will be attempted.\n uint256 expirationTimeSeconds; // Timestamp in seconds at which order expires. \n uint256 salt; // Arbitrary number to facilitate uniqueness of the order's hash. \n bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.\n bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.\n }\n // solhint-enable max-line-length\n\n struct OrderInfo {\n uint8 orderStatus; // Status that describes order's validity and fillability.\n bytes32 orderHash; // EIP712 hash of the order (see LibOrder.getOrderHash).\n uint256 orderTakerAssetFilledAmount; // Amount of order that has already been filled.\n }\n\n /// @dev Calculates Keccak-256 hash of the order.\n /// @param order The order structure.\n /// @return Keccak-256 EIP712 hash of the order.\n function getOrderHash(Order memory order)\n internal\n view\n returns (bytes32 orderHash)\n {\n orderHash = hashEIP712Message(hashOrder(order));\n return orderHash;\n }\n\n /// @dev Calculates EIP712 hash of the order.\n /// @param order The order structure.\n /// @return EIP712 hash of the order.\n function hashOrder(Order memory order)\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ORDER_SCHEMA_HASH;\n bytes32 makerAssetDataHash = keccak256(order.makerAssetData);\n bytes32 takerAssetDataHash = keccak256(order.takerAssetData);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ORDER_SCHEMA_HASH,\n // bytes32(order.makerAddress),\n // bytes32(order.takerAddress),\n // bytes32(order.feeRecipientAddress),\n // bytes32(order.senderAddress),\n // order.makerAssetAmount,\n // order.takerAssetAmount,\n // order.makerFee,\n // order.takerFee,\n // order.expirationTimeSeconds,\n // order.salt,\n // keccak256(order.makerAssetData),\n // keccak256(order.takerAssetData)\n // ));\n\n assembly {\n // Calculate memory addresses that will be swapped out before hashing\n let pos1 := sub(order, 32)\n let pos2 := add(order, 320)\n let pos3 := add(order, 352)\n\n // Backup\n let temp1 := mload(pos1)\n let temp2 := mload(pos2)\n let temp3 := mload(pos3)\n \n // Hash in place\n mstore(pos1, schemaHash)\n mstore(pos2, makerAssetDataHash)\n mstore(pos3, takerAssetDataHash)\n result := keccak256(pos1, 416)\n \n // Restore\n mstore(pos1, temp1)\n mstore(pos2, temp2)\n mstore(pos3, temp3)\n }\n return result;\n }\n}\n", - "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssetProxyDispatcher.sol\";\n\n\ncontract MAssetProxyDispatcher is\n IAssetProxyDispatcher\n{\n // Logs registration of new asset proxy\n event AssetProxyRegistered(\n bytes4 id, // Id of new registered AssetProxy.\n address assetProxy // Address of new registered AssetProxy.\n );\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal;\n}\n", - "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IExchangeCore.sol\";\n\n\ncontract MExchangeCore is\n IExchangeCore\n{\n // Fill event is emitted whenever an order is filled.\n event Fill(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that received fees.\n address takerAddress, // Address that filled the order.\n address senderAddress, // Address that called the Exchange contract (msg.sender).\n uint256 makerAssetFilledAmount, // Amount of makerAsset sold by maker and bought by taker. \n uint256 takerAssetFilledAmount, // Amount of takerAsset sold by taker and bought by maker.\n uint256 makerFeePaid, // Amount of ZRX paid to feeRecipient by maker.\n uint256 takerFeePaid, // Amount of ZRX paid to feeRecipient by taker.\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // Cancel event is emitted whenever an individual order is cancelled.\n event Cancel(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that would have recieved fees if order was filled. \n address senderAddress, // Address that called the Exchange contract (msg.sender).\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // CancelUpTo event is emitted whenever `cancelOrdersUpTo` is executed succesfully.\n event CancelUpTo(\n address indexed makerAddress, // Orders cancelled must have been created by this address.\n address indexed senderAddress, // Orders cancelled must have a `senderAddress` equal to this address.\n uint256 orderEpoch // Orders with specified makerAddress and senderAddress with a salt less than this value are considered cancelled.\n );\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrderInternal(LibOrder.Order memory order)\n internal;\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function updateFilledState(\n LibOrder.Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n LibFillResults.FillResults memory fillResults\n )\n internal;\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n LibOrder.Order memory order,\n bytes32 orderHash\n )\n internal;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo Status, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view;\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo\n )\n internal\n view;\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n LibOrder.Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.FillResults memory fillResults);\n\n}\n", - "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IMatchOrders.sol\";\n\n\ncontract MMatchOrders is\n IMatchOrders\n{\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure;\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n\n}\n", - "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/ISignatureValidator.sol\";\n\n\ncontract MSignatureValidator is\n ISignatureValidator\n{\n event SignatureValidatorApproval(\n address indexed signerAddress, // Address that approves or disapproves a contract to verify signatures.\n address indexed validatorAddress, // Address of signature validator contract.\n bool approved // Approval or disapproval of validator contract.\n );\n\n // Allowed signature types.\n enum SignatureType {\n Illegal, // 0x00, default value\n Invalid, // 0x01\n EIP712, // 0x02\n EthSign, // 0x03\n Wallet, // 0x04\n Validator, // 0x05\n PreSigned, // 0x06\n NSignatureTypes // 0x07, number of signature types. Always leave at end.\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/mixins/MTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"../interfaces/ITransactions.sol\";\n\n\ncontract MTransactions is\n ITransactions\n{\n // Hash for the EIP712 ZeroEx Transaction Schema\n bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"ZeroExTransaction(\",\n \"uint256 salt,\",\n \"address signerAddress,\",\n \"bytes data\",\n \")\"\n ));\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result);\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address);\n}\n", - "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IWrapperFunctions.sol\";\n\n\ncontract MWrapperFunctions is \n IWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n}\n", - "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/MintableERC20Token.sol\";\n\n\ncontract DummyERC20Token is \n Ownable,\n MintableERC20Token\n{\n string public name;\n string public symbol;\n uint256 public decimals;\n uint256 public constant MAX_MINT_AMOUNT = 10000000000000000000000;\n\n constructor (\n string _name,\n string _symbol,\n uint256 _decimals,\n uint256 _totalSupply\n )\n public\n {\n name = _name;\n symbol = _symbol;\n decimals = _decimals;\n _totalSupply = _totalSupply;\n balances[msg.sender] = _totalSupply;\n }\n\n /// @dev Sets the balance of target address\n /// @param _target Address or which balance will be updated\n /// @param _value New balance of target address\n function setBalance(address _target, uint256 _value)\n external\n onlyOwner\n {\n uint256 currBalance = balances[_target];\n if (_value < currBalance) {\n _totalSupply = safeSub(_totalSupply, safeSub(currBalance, _value));\n } else {\n _totalSupply = safeAdd(_totalSupply, safeSub(_value, currBalance));\n }\n balances[_target] = _value;\n }\n\n /// @dev Mints new tokens for sender\n /// @param _value Amount of tokens to mint\n function mint(uint256 _value)\n external\n {\n require(\n _value <= MAX_MINT_AMOUNT,\n \"VALUE_TOO_LARGE\"\n );\n\n _mint(msg.sender, _value);\n }\n}\n", - "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../tokens/ERC721Token/MintableERC721Token.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract DummyERC721Token is\n Ownable,\n MintableERC721Token\n{\n string public name;\n string public symbol;\n\n constructor (\n string _name,\n string _symbol\n )\n public\n {\n name = _name;\n symbol = _symbol;\n }\n\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function mint(address _to, uint256 _tokenId)\n external\n {\n _mint(_to, _tokenId);\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist or not called by contract owner\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function burn(address _owner, uint256 _tokenId)\n external\n onlyOwner\n {\n _burn(_owner, _tokenId);\n }\n}\n", - "2.0.0/tokens/ERC20Token/ERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC20Token.sol\";\n\n\ncontract ERC20Token is\n IERC20Token\n{\n mapping (address => uint256) internal balances;\n mapping (address => mapping (address => uint256)) internal allowed;\n\n uint256 internal _totalSupply;\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool)\n {\n require(\n balances[msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[msg.sender] -= _value;\n balances[_to] += _value;\n\n emit Transfer(\n msg.sender,\n _to,\n _value\n );\n\n return true;\n }\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowed[_from][msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n allowed[_from][msg.sender] -= _value;\n \n emit Transfer(\n _from,\n _to,\n _value\n );\n \n return true;\n }\n\n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool)\n {\n allowed[msg.sender][_spender] = _value;\n emit Approval(\n msg.sender,\n _spender,\n _value\n );\n return true;\n }\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256)\n {\n return _totalSupply;\n }\n\n /// @dev Query the balance of owner\n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n return balances[_owner];\n }\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256)\n {\n return allowed[_owner][_spender];\n }\n}\n", - "2.0.0/tokens/ERC20Token/IERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n \n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n \n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", - "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/SafeMath/SafeMath.sol\";\nimport \"./UnlimitedAllowanceERC20Token.sol\";\n\n\ncontract MintableERC20Token is \n SafeMath,\n UnlimitedAllowanceERC20Token\n{\n /// @dev Mints new tokens\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _value Amount of tokens to mint\n function _mint(address _to, uint256 _value)\n internal\n {\n balances[_to] = safeAdd(_value, balances[_to]);\n _totalSupply = safeAdd(_totalSupply, _value);\n\n emit Transfer(\n address(0),\n _to,\n _value\n );\n }\n\n /// @dev Mints new tokens\n /// @param _owner Owner of tokens that will be burned\n /// @param _value Amount of tokens to burn\n function _burn(address _owner, uint256 _value)\n internal\n {\n balances[_owner] = safeSub(balances[_owner], _value);\n _totalSupply = safeSub(_totalSupply, _value);\n\n emit Transfer(\n _owner,\n address(0),\n _value\n );\n }\n}\n", - "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/ERC20Token.sol\";\n\n\ncontract UnlimitedAllowanceERC20Token is\n ERC20Token\n{\n uint256 constant internal MAX_UINT = 2**256 - 1;\n\n /// @dev ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited allowance. See https://github.com/ethereum/EIPs/issues/717\n /// @param _from Address to transfer from.\n /// @param _to Address to transfer to.\n /// @param _value Amount to transfer.\n /// @return Success of transfer.\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n uint256 allowance = allowed[_from][msg.sender];\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowance >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n if (allowance < MAX_UINT) {\n allowed[_from][msg.sender] -= _value;\n }\n\n emit Transfer(\n _from,\n _to,\n _value\n );\n\n return true;\n }\n}\n", - "2.0.0/tokens/ERC721Token/ERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC721Token.sol\";\nimport \"./IERC721Receiver.sol\";\nimport \"../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract ERC721Token is\n IERC721Token,\n SafeMath\n{\n // Function selector for ERC721Receiver.onERC721Received\n // 0x150b7a02\n bytes4 constant internal ERC721_RECEIVED = bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"));\n\n // Mapping of tokenId => owner\n mapping (uint256 => address) internal owners;\n\n // Mapping of tokenId => approved address\n mapping (uint256 => address) internal approvals;\n\n // Mapping of owner => number of tokens owned\n mapping (address => uint256) internal balances;\n\n // Mapping of owner => operator => approved\n mapping (address => mapping (address => bool)) internal operatorApprovals;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n _data\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n \"\"\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external\n {\n address owner = ownerOf(_tokenId);\n require(\n msg.sender == owner || isApprovedForAll(owner, msg.sender),\n \"ERC721_INVALID_SENDER\"\n );\n\n approvals[_tokenId] = _approved;\n emit Approval(\n owner,\n _approved,\n _tokenId\n );\n }\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external\n {\n operatorApprovals[msg.sender][_operator] = _approved;\n emit ApprovalForAll(\n msg.sender,\n _operator,\n _approved\n );\n }\n \n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return balances[_owner];\n }\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = ownerOf(_tokenId);\n require(\n _from == owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n address spender = msg.sender;\n address approvedAddress = getApproved(_tokenId);\n require(\n spender == owner ||\n isApprovedForAll(owner, spender) ||\n approvedAddress == spender,\n \"ERC721_INVALID_SPENDER\"\n );\n\n if (approvedAddress != address(0)) {\n approvals[_tokenId] = address(0);\n }\n\n owners[_tokenId] = _to;\n balances[_from] = safeSub(balances[_from], 1);\n balances[_to] = safeAdd(balances[_to], 1);\n \n emit Transfer(\n _from,\n _to,\n _tokenId\n );\n }\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address)\n {\n address owner = owners[_tokenId];\n require(\n owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return owner;\n }\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId)\n public\n view\n returns (address)\n {\n return approvals[_tokenId];\n }\n\n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool)\n {\n return operatorApprovals[_owner][_operator];\n }\n}\n", - "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Receiver {\n\n /// @notice Handle the receipt of an NFT\n /// @dev The ERC721 smart contract calls this function on the recipient\n /// after a `transfer`. This function MAY throw to revert and reject the\n /// transfer. Return of other than the magic value MUST result in the\n /// transaction being reverted.\n /// Note: the contract address is always the message sender.\n /// @param _operator The address which called `safeTransferFrom` function\n /// @param _from The address which previously owned the token\n /// @param _tokenId The NFT identifier which is being transferred\n /// @param _data Additional data with no specified format\n /// @return `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`\n /// unless throwing\n function onERC721Received(\n address _operator,\n address _from,\n uint256 _tokenId,\n bytes _data\n )\n external\n returns (bytes4);\n}\n", - "2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Token {\n\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(\n address indexed _owner,\n address indexed _approved,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(\n address indexed _owner,\n address indexed _operator,\n bool _approved\n );\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// perator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external;\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public;\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address);\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) \n public\n view\n returns (address);\n \n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool);\n}\n", - "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./ERC721Token.sol\";\n\n\ncontract MintableERC721Token is\n ERC721Token\n{\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function _mint(address _to, uint256 _tokenId)\n internal\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == address(0),\n \"ERC721_OWNER_ALREADY_EXISTS\"\n );\n\n owners[_tokenId] = _to;\n balances[_to] = safeAdd(balances[_to], 1);\n\n emit Transfer(\n address(0),\n _to,\n _tokenId\n );\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function _burn(address _owner, uint256 _tokenId)\n internal\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == _owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n owners[_tokenId] = address(0);\n balances[_owner] = safeSub(balances[_owner], 1);\n\n emit Transfer(\n _owner,\n address(0),\n _tokenId\n );\n }\n}\n", - "2.0.0/tokens/EtherToken/IEtherToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/IERC20Token.sol\";\n\n\ncontract IEtherToken is\n IERC20Token\n{\n function deposit()\n public\n payable;\n \n function withdraw(uint256 amount)\n public;\n}\n", - "2.0.0/utils/LibBytes/LibBytes.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\nlibrary LibBytes {\n\n using LibBytes for bytes;\n\n /// @dev Gets the memory address for a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of byte array. This\n /// points to the header of the byte array which contains\n /// the length.\n function rawAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := input\n }\n return memoryAddress;\n }\n \n /// @dev Gets the memory address for the contents of a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of the contents of the byte array.\n function contentAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := add(input, 32)\n }\n return memoryAddress;\n }\n\n /// @dev Copies `length` bytes from memory location `source` to `dest`.\n /// @param dest memory address to copy bytes to.\n /// @param source memory address to copy bytes from.\n /// @param length number of bytes to copy.\n function memCopy(\n uint256 dest,\n uint256 source,\n uint256 length\n )\n internal\n pure\n {\n if (length < 32) {\n // Handle a partial word by reading destination and masking\n // off the bits we are interested in.\n // This correctly handles overlap, zero lengths and source == dest\n assembly {\n let mask := sub(exp(256, sub(32, length)), 1)\n let s := and(mload(source), not(mask))\n let d := and(mload(dest), mask)\n mstore(dest, or(s, d))\n }\n } else {\n // Skip the O(length) loop when source == dest.\n if (source == dest) {\n return;\n }\n\n // For large copies we copy whole words at a time. The final\n // word is aligned to the end of the range (instead of after the\n // previous) to handle partial words. So a copy will look like this:\n //\n // ####\n // ####\n // ####\n // ####\n //\n // We handle overlap in the source and destination range by\n // changing the copying direction. This prevents us from\n // overwriting parts of source that we still need to copy.\n //\n // This correctly handles source == dest\n //\n if (source > dest) {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because it\n // is easier to compare with in the loop, and these\n // are also the addresses we need for copying the\n // last bytes.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the last 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the last bytes in\n // source already due to overlap.\n let last := mload(sEnd)\n\n // Copy whole words front to back\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} lt(source, sEnd) {} {\n mstore(dest, mload(source))\n source := add(source, 32)\n dest := add(dest, 32)\n }\n \n // Write the last 32 bytes\n mstore(dEnd, last)\n }\n } else {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because those\n // are the starting points when copying a word at the end.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the first 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the first bytes in\n // source already due to overlap.\n let first := mload(source)\n\n // Copy whole words back to front\n // We use a signed comparisson here to allow dEnd to become\n // negative (happens when source and dest < 32). Valid\n // addresses in local memory will never be larger than\n // 2**255, so they can be safely re-interpreted as signed.\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} slt(dest, dEnd) {} {\n mstore(dEnd, mload(sEnd))\n sEnd := sub(sEnd, 32)\n dEnd := sub(dEnd, 32)\n }\n \n // Write the first 32 bytes\n mstore(dest, first)\n }\n }\n }\n }\n\n /// @dev Returns a slices from a byte array.\n /// @param b The byte array to take a slice from.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n function slice(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure and copy contents\n result = new bytes(to - from);\n memCopy(\n result.contentAddress(),\n b.contentAddress() + from,\n result.length\n );\n return result;\n }\n \n /// @dev Returns a slice from a byte array without preserving the input.\n /// @param b The byte array to take a slice from. Will be destroyed in the process.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n /// @dev When `from == 0`, the original array will match the slice. In other cases its state will be corrupted.\n function sliceDestructive(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure around [from, to) in-place.\n assembly {\n result := add(b, from)\n mstore(result, sub(to, from))\n }\n return result;\n }\n\n /// @dev Pops the last byte off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The byte that was popped off.\n function popLastByte(bytes memory b)\n internal\n pure\n returns (bytes1 result)\n {\n require(\n b.length > 0,\n \"GREATER_THAN_ZERO_LENGTH_REQUIRED\"\n );\n\n // Store last byte.\n result = b[b.length - 1];\n\n assembly {\n // Decrement length of byte array.\n let newLen := sub(mload(b), 1)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Pops the last 20 bytes off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The 20 byte address that was popped off.\n function popLast20Bytes(bytes memory b)\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= 20,\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Store last 20 bytes.\n result = readAddress(b, b.length - 20);\n\n assembly {\n // Subtract 20 from byte array length.\n let newLen := sub(mload(b), 20)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Tests equality of two byte arrays.\n /// @param lhs First byte array to compare.\n /// @param rhs Second byte array to compare.\n /// @return True if arrays are the same. False otherwise.\n function equals(\n bytes memory lhs,\n bytes memory rhs\n )\n internal\n pure\n returns (bool equal)\n {\n // Keccak gas cost is 30 + numWords * 6. This is a cheap way to compare.\n // We early exit on unequal lengths, but keccak would also correctly\n // handle this.\n return lhs.length == rhs.length && keccak256(lhs) == keccak256(rhs);\n }\n\n /// @dev Reads an address from a position in a byte array.\n /// @param b Byte array containing an address.\n /// @param index Index in byte array of address.\n /// @return address from byte array.\n function readAddress(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Read address from array memory\n assembly {\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 20-byte mask to obtain address\n result := and(mload(add(b, index)), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n return result;\n }\n\n /// @dev Writes an address into a specific position in a byte array.\n /// @param b Byte array to insert address into.\n /// @param index Index in byte array of address.\n /// @param input Address to put into byte array.\n function writeAddress(\n bytes memory b,\n uint256 index,\n address input\n )\n internal\n pure\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Store address into array memory\n assembly {\n // The address occupies 20 bytes and mstore stores 32 bytes.\n // First fetch the 32-byte word where we'll be storing the address, then\n // apply a mask so we have only the bytes in the word that the address will not occupy.\n // Then combine these bytes with the address and store the 32 bytes back to memory with mstore.\n\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 12-byte mask to obtain extra bytes occupying word of memory where we'll store the address\n let neighbors := and(\n mload(add(b, index)),\n 0xffffffffffffffffffffffff0000000000000000000000000000000000000000\n )\n \n // Make sure input address is clean.\n // (Solidity does not guarantee this)\n input := and(input, 0xffffffffffffffffffffffffffffffffffffffff)\n\n // Store the neighbors and address into memory\n mstore(add(b, index), xor(input, neighbors))\n }\n }\n\n /// @dev Reads a bytes32 value from a position in a byte array.\n /// @param b Byte array containing a bytes32 value.\n /// @param index Index in byte array of bytes32 value.\n /// @return bytes32 value from byte array.\n function readBytes32(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes32 result)\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n result := mload(add(b, index))\n }\n return result;\n }\n\n /// @dev Writes a bytes32 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes32 to put into byte array.\n function writeBytes32(\n bytes memory b,\n uint256 index,\n bytes32 input\n )\n internal\n pure\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n mstore(add(b, index), input)\n }\n }\n\n /// @dev Reads a uint256 value from a position in a byte array.\n /// @param b Byte array containing a uint256 value.\n /// @param index Index in byte array of uint256 value.\n /// @return uint256 value from byte array.\n function readUint256(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (uint256 result)\n {\n result = uint256(readBytes32(b, index));\n return result;\n }\n\n /// @dev Writes a uint256 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input uint256 to put into byte array.\n function writeUint256(\n bytes memory b,\n uint256 index,\n uint256 input\n )\n internal\n pure\n {\n writeBytes32(b, index, bytes32(input));\n }\n\n /// @dev Reads an unpadded bytes4 value from a position in a byte array.\n /// @param b Byte array containing a bytes4 value.\n /// @param index Index in byte array of bytes4 value.\n /// @return bytes4 value from byte array.\n function readBytes4(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes4 result)\n {\n require(\n b.length >= index + 4,\n \"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 32 byte length field\n index += 32;\n\n // Read the bytes4 from array memory\n assembly {\n result := mload(add(b, index))\n // Solidity does not require us to clean the trailing bytes.\n // We do it anyway\n result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)\n }\n return result;\n }\n\n /// @dev Reads nested bytes from a specific position.\n /// @dev NOTE: the returned value overlaps with the input value.\n /// Both should be treated as immutable.\n /// @param b Byte array containing nested bytes.\n /// @param index Index of nested bytes.\n /// @return result Nested bytes.\n function readBytesWithLength(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes memory result)\n {\n // Read length of nested bytes\n uint256 nestedBytesLength = readUint256(b, index);\n index += 32;\n\n // Assert length of is valid, given\n // length of nested bytes\n require(\n b.length >= index + nestedBytesLength,\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n \n // Return a pointer to the byte array as it exists inside `b`\n assembly {\n result := add(b, index)\n }\n return result;\n }\n\n /// @dev Inserts bytes at a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes to insert.\n function writeBytesWithLength(\n bytes memory b,\n uint256 index,\n bytes memory input\n )\n internal\n pure\n {\n // Assert length of is valid, given\n // length of input\n require(\n b.length >= index + 32 + input.length, // 32 bytes to store length\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n\n // Copy into \n memCopy(\n b.contentAddress() + index,\n input.rawAddress(), // includes length of \n input.length + 32 // +32 bytes to store length\n );\n }\n\n /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length.\n /// @param dest Byte array that will be overwritten with source bytes.\n /// @param source Byte array to copy onto dest bytes.\n function deepCopyBytes(\n bytes memory dest,\n bytes memory source\n )\n internal\n pure\n {\n uint256 sourceLen = source.length;\n // Dest length must be >= source length, or some bytes would not be copied.\n require(\n dest.length >= sourceLen,\n \"GREATER_OR_EQUAL_TO_SOURCE_BYTES_LENGTH_REQUIRED\"\n );\n memCopy(\n dest.contentAddress(),\n source.contentAddress(),\n sourceLen\n );\n }\n}\n", - "2.0.0/utils/Ownable/IOwnable.sol": "pragma solidity 0.4.24;\n\n\ncontract IOwnable {\n\n function transferOwnership(address newOwner)\n public;\n}\n", - "2.0.0/utils/Ownable/Ownable.sol": "pragma solidity 0.4.24;\n\nimport \"./IOwnable.sol\";\n\n\ncontract Ownable is\n IOwnable\n{\n address public owner;\n\n constructor ()\n public\n {\n owner = msg.sender;\n }\n\n modifier onlyOwner() {\n require(\n msg.sender == owner,\n \"ONLY_CONTRACT_OWNER\"\n );\n _;\n }\n\n function transferOwnership(address newOwner)\n public\n onlyOwner\n {\n if (newOwner != address(0)) {\n owner = newOwner;\n }\n }\n}\n", - "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ReentrancyGuard {\n\n // Locked state of mutex\n bool private locked = false;\n\n /// @dev Functions with this modifer cannot be reentered. The mutex will be locked\n /// before function execution and unlocked after.\n modifier nonReentrant() {\n // Ensure mutex is unlocked\n require(\n !locked,\n \"REENTRANCY_ILLEGAL\"\n );\n\n // Lock mutex before function call\n locked = true;\n\n // Perform function call\n _;\n\n // Unlock mutex after function call\n locked = false;\n }\n}\n", - "2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n\n function safeMul(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(\n c / a == b,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function safeDiv(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a / b;\n return c;\n }\n\n function safeSub(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n require(\n b <= a,\n \"UINT256_UNDERFLOW\"\n );\n return a - b;\n }\n\n function safeAdd(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a + b;\n require(\n c >= a,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function max64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n\n function max256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n}\n" - }, - "sourceTreeHashHex": "0xb375308e9f71e2b537b4b9fe7d0dc45c38b7c936468e948958e6aa135dc204c1", - "compiler": { - "name": "solc", - "version": "soljson-v0.4.24+commit.e67f0147.js", - "settings": { - "optimizer": { - "enabled": true, - "runs": 1000000 - }, - "outputSelection": { - "*": { - "*": [ - "abi", - "evm.bytecode.object", - "evm.bytecode.sourceMap", - "evm.deployedBytecode.object", - "evm.deployedBytecode.sourceMap" - ] - } - } - } - }, - "networks": { - "3": { - "address": "0x3983e204b12b3c02fb0638caf2cd406a62e0ead3", - "links": {}, - "constructorArgs": "[\"0x4530c0483a1633c7a1c97d2c53721caff2caaaaf\",\"0xf47261b0000000000000000000000000ff67881f8d12f372d91baae9752eb3631ff0ed00\",\"0xf47261b0000000000000000000000000c778417e063141139fce010982780140aa0cd5ab\"]" - }, - "42": { - "address": "0xd85e2fa7e7e252b27b01bf0d65c946959d2f45b8", - "links": {}, - "constructorArgs": "[\"0x35dd2932454449b14cee11a94d3674a936d5d7b2\",\"0xf47261b00000000000000000000000002002d3812f58e35f0ea1ffbf80a75a38c32175fa\",\"0xf47261b0000000000000000000000000d0a1e359811322d97991e03f863a0c30c2cf029c\"]" - }, - "50": { - "address": "0xb69e673309512a9d726f87304c6984054f87a93b", - "links": {}, - "constructorArgs": "[\"0x0b1ba0af832d7c05fd64161e0db78e85978e8082\",\"0xf47261b0000000000000000000000000871dd7c2b4b25e1aa18728e9d5f2af4c4e431f5c\",\"0xf47261b00000000000000000000000000000000000000000000000000000000000000000\"]" - } - } -} diff --git a/packages/migrations/artifacts/2.0.0-beta-testnet/IValidator.json b/packages/migrations/artifacts/2.0.0-beta-testnet/IValidator.json deleted file mode 100644 index 0ccb7b343..000000000 --- a/packages/migrations/artifacts/2.0.0-beta-testnet/IValidator.json +++ /dev/null @@ -1,320 +0,0 @@ -{ - "schemaVersion": "2.0.0", - "contractName": "IValidator", - "compilerOutput": { - "abi": [ - { - "constant": true, - "inputs": [ - { - "name": "hash", - "type": "bytes32" - }, - { - "name": "signerAddress", - "type": "address" - }, - { - "name": "signature", - "type": "bytes" - } - ], - "name": "isValidSignature", - "outputs": [ - { - "name": "isValid", - "type": "bool" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - } - ], - "evm": { - "bytecode": { - "linkReferences": {}, - "object": "0x", - "opcodes": "", - "sourceMap": "" - }, - "deployedBytecode": { - "linkReferences": {}, - "object": "0x", - "opcodes": "", - "sourceMap": "" - } - } - }, - "sources": { - "2.0.0/extensions/Forwarder/Forwarder.sol": { - "id": 0 - }, - "2.0.0/extensions/Forwarder/MixinAssets.sol": { - "id": 1 - }, - "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": { - "id": 2 - }, - "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": { - "id": 3 - }, - "2.0.0/extensions/Forwarder/MixinWeth.sol": { - "id": 4 - }, - "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": { - "id": 5 - }, - "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": { - "id": 6 - }, - "2.0.0/extensions/Forwarder/libs/LibConstants.sol": { - "id": 7 - }, - "2.0.0/extensions/Forwarder/mixins/MAssets.sol": { - "id": 8 - }, - "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": { - "id": 9 - }, - "2.0.0/extensions/Forwarder/mixins/MWeth.sol": { - "id": 10 - }, - "2.0.0/extensions/OrderValidator/OrderValidator.sol": { - "id": 11 - }, - "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": { - "id": 12 - }, - "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": { - "id": 13 - }, - "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": { - "id": 14 - }, - "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": { - "id": 15 - }, - "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": { - "id": 16 - }, - "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": { - "id": 17 - }, - "2.0.0/protocol/Exchange/Exchange.sol": { - "id": 18 - }, - "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": { - "id": 19 - }, - "2.0.0/protocol/Exchange/MixinExchangeCore.sol": { - "id": 20 - }, - "2.0.0/protocol/Exchange/MixinMatchOrders.sol": { - "id": 21 - }, - "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": { - "id": 22 - }, - "2.0.0/protocol/Exchange/MixinTransactions.sol": { - "id": 23 - }, - "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": { - "id": 24 - }, - "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": { - "id": 25 - }, - "2.0.0/protocol/Exchange/interfaces/IExchange.sol": { - "id": 26 - }, - "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": { - "id": 27 - }, - "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": { - "id": 28 - }, - "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": { - "id": 29 - }, - "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": { - "id": 30 - }, - "2.0.0/protocol/Exchange/interfaces/IValidator.sol": { - "id": 31 - }, - "2.0.0/protocol/Exchange/interfaces/IWallet.sol": { - "id": 32 - }, - "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": { - "id": 33 - }, - "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": { - "id": 34 - }, - "2.0.0/protocol/Exchange/libs/LibConstants.sol": { - "id": 35 - }, - "2.0.0/protocol/Exchange/libs/LibEIP712.sol": { - "id": 36 - }, - "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": { - "id": 37 - }, - "2.0.0/protocol/Exchange/libs/LibFillResults.sol": { - "id": 38 - }, - "2.0.0/protocol/Exchange/libs/LibMath.sol": { - "id": 39 - }, - "2.0.0/protocol/Exchange/libs/LibOrder.sol": { - "id": 40 - }, - "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": { - "id": 41 - }, - "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": { - "id": 42 - }, - "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": { - "id": 43 - }, - "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": { - "id": 44 - }, - "2.0.0/protocol/Exchange/mixins/MTransactions.sol": { - "id": 45 - }, - "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": { - "id": 46 - }, - "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": { - "id": 47 - }, - "2.0.0/tokens/ERC20Token/ERC20Token.sol": { - "id": 48 - }, - "2.0.0/tokens/ERC20Token/IERC20Token.sol": { - "id": 49 - }, - "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": { - "id": 50 - }, - "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": { - "id": 51 - }, - "2.0.0/tokens/ERC721Token/ERC721Token.sol": { - "id": 52 - }, - "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": { - "id": 53 - }, - "2.0.0/tokens/ERC721Token/IERC721Token.sol": { - "id": 54 - }, - "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": { - "id": 55 - }, - "2.0.0/tokens/EtherToken/IEtherToken.sol": { - "id": 56 - }, - "2.0.0/utils/LibBytes/LibBytes.sol": { - "id": 57 - }, - "2.0.0/utils/Ownable/IOwnable.sol": { - "id": 58 - }, - "2.0.0/utils/Ownable/Ownable.sol": { - "id": 59 - }, - "2.0.0/utils/SafeMath/SafeMath.sol": { - "id": 60 - } - }, - "sourceCodes": { - "2.0.0/extensions/Forwarder/Forwarder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinWeth.sol\";\nimport \"./MixinForwarderCore.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinAssets.sol\";\nimport \"./MixinExchangeWrapper.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Forwarder is\n LibConstants,\n MixinWeth,\n MixinAssets,\n MixinExchangeWrapper,\n MixinForwarderCore\n{\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n LibConstants(\n _exchange,\n _zrxAssetData,\n _wethAssetData\n )\n MixinForwarderCore()\n {}\n}\n", - "2.0.0/extensions/Forwarder/MixinAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MAssets.sol\";\n\n\ncontract MixinAssets is\n Ownable,\n LibConstants,\n MAssets\n{\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256(\"transfer(address,uint256)\"));\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external\n onlyOwner\n {\n transferAssetToSender(assetData, amount);\n }\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n bytes4 proxyId = assetData.readBytes4(0);\n\n if (proxyId == ERC20_DATA_ID) {\n transferERC20Token(assetData, amount);\n } else if (proxyId == ERC721_DATA_ID) {\n transferERC721Token(assetData, amount);\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n }\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n address token = assetData.readAddress(16);\n\n // Transfer tokens.\n // We do a raw call so we can check the success separate\n // from the return data.\n bool success = token.call(abi.encodeWithSelector(\n ERC20_TRANSFER_SELECTOR,\n msg.sender,\n amount\n ));\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n \n // Check return data.\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // value that evaluates to true.\n assembly {\n if returndatasize {\n success := 0\n if eq(returndatasize, 32) {\n // First 64 bytes of memory are reserved scratch space\n returndatacopy(0, 0, 32)\n success := mload(0)\n }\n }\n }\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n }\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n require(\n amount == 1,\n \"INVALID_AMOUNT\"\n );\n // Decode asset data.\n address token = assetData.readAddress(16);\n uint256 tokenId = assetData.readUint256(36);\n\n // Perform transfer.\n IERC721Token(token).transferFrom(\n address(this),\n msg.sender,\n tokenId\n );\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"../../protocol/Exchange/libs/LibAbiEncoder.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinExchangeWrapper is\n LibAbiEncoder,\n LibFillResults,\n LibMath,\n LibConstants,\n MExchangeWrapper\n{\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n address exchange = address(EXCHANGE);\n\n // Call `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := call(\n gas, // forward all gas, TODO: look into gas consumption of assert/throw\n exchange, // call address of Exchange contract\n 0, // transfer 0 wei\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n switch success\n case 0 {\n mstore(fillResults, 0)\n mstore(add(fillResults, 32), 0)\n mstore(add(fillResults, 64), 0)\n mstore(add(fillResults, 96), 0)\n }\n case 1 {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of WETH to sell\n uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of WETH\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmount(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount;\n if (makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n\n require(\n makerAssetFilledAmount >= makerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n // Do nothing if zrxBuyAmount == 0\n if (zrxBuyAmount == 0) {\n return totalFillResults;\n }\n\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n uint256 zrxPurchased = 0;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // All of these are ZRX/WETH, so we can drop the respective assetData from calldata.\n orders[i].makerAssetData = zrxAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of ZRX to buy.\n uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased);\n\n // Convert the remaining amount of ZRX to buy into remaining amount\n // of WETH to sell, assuming entire amount can be sold in the current order.\n uint256 remainingWethSellAmount = getPartialAmount(\n orders[i].takerAssetAmount,\n safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees \n remainingZrxBuyAmount\n );\n\n // Attempt to sell the remaining amount of WETH.\n FillResults memory singleFillResult = fillOrderNoThrow(\n orders[i],\n safeAdd(remainingWethSellAmount, 1), // we add 1 wei to the fill amount to make up for rounding errors\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker.\n addFillResults(totalFillResults, singleFillResult);\n zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid);\n\n // Stop execution if the entire amount of ZRX has been bought.\n if (zrxPurchased >= zrxBuyAmount) {\n break;\n }\n }\n\n require(\n zrxPurchased >= zrxBuyAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\nimport \"./mixins/MAssets.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"./interfaces/IForwarderCore.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinForwarderCore is\n LibFillResults,\n LibMath,\n LibConstants,\n MWeth,\n MAssets,\n MExchangeWrapper,\n IForwarderCore\n{\n\n using LibBytes for bytes;\n\n /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf.\n constructor ()\n public\n {\n address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID);\n if (proxyAddress != address(0)) {\n ETHER_TOKEN.approve(proxyAddress, MAX_UINT);\n ZRX_TOKEN.approve(proxyAddress, MAX_UINT);\n }\n }\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 wethSellAmount;\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // Calculate amount of WETH that won't be spent on ETH fees.\n wethSellAmount = getPartialAmount(\n PERCENTAGE_DENOMINATOR,\n safeAdd(PERCENTAGE_DENOMINATOR, feePercentage),\n msg.value\n );\n // Market sell available WETH.\n // ZRX fees are paid with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // 5% of WETH is reserved for filling feeOrders and paying feeRecipient.\n wethSellAmount = getPartialAmount(\n MAX_WETH_FILL_PERCENTAGE,\n PERCENTAGE_DENOMINATOR,\n msg.value\n );\n // Market sell 95% of WETH.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // If the makerAsset is ZRX, it is not necessary to pay fees out of this\n // contracts's ZRX balance because fees are factored into the price of the order.\n orderFillResults = marketBuyExactZrxWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // Attemp to purchase desired amount of makerAsset.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketBuyExactAmountWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\n\n\ncontract MixinWeth is\n LibMath,\n LibConstants,\n MWeth\n{\n\n /// @dev Default payabale function, this allows us to withdraw WETH\n function ()\n public\n payable\n {\n require(\n msg.sender == address(ETHER_TOKEN),\n \"DEFAULT_FUNCTION_WETH_CONTRACT_ONLY\"\n );\n }\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal\n {\n require(\n msg.value > 0,\n \"INVALID_MSG_VALUE\"\n );\n ETHER_TOKEN.deposit.value(msg.value)();\n }\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal\n {\n // Ensure feePercentage is less than 5%.\n require(\n feePercentage <= MAX_FEE_PERCENTAGE,\n \"FEE_PERCENTAGE_TOO_LARGE\"\n );\n\n // Ensure that no extra WETH owned by this contract has been sold.\n uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx);\n require(\n wethSold <= msg.value,\n \"OVERSOLD_WETH\"\n );\n\n // Calculate amount of WETH that hasn't been sold.\n uint256 wethRemaining = safeSub(msg.value, wethSold);\n\n // Calculate ETH fee to pay to feeRecipient.\n uint256 ethFee = getPartialAmount(\n feePercentage,\n PERCENTAGE_DENOMINATOR,\n wethSoldExcludingFeeOrders\n );\n\n // Ensure fee is less than amount of WETH remaining.\n require(\n ethFee <= wethRemaining,\n \"INSUFFICIENT_ETH_REMAINING\"\n );\n \n // Do nothing if no WETH remaining\n if (wethRemaining > 0) {\n // Convert remaining WETH to ETH\n ETHER_TOKEN.withdraw(wethRemaining);\n\n // Pay ETH to feeRecipient\n if (ethFee > 0) {\n feeRecipient.transfer(ethFee);\n }\n\n // Refund remaining ETH to msg.sender.\n uint256 ethRefund = safeSub(wethRemaining, ethFee);\n if (ethRefund > 0) {\n msg.sender.transfer(ethRefund);\n }\n }\n }\n}\n", - "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssets {\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external;\n}\n", - "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract IForwarderCore {\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n}\n", - "2.0.0/extensions/Forwarder/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/LibBytes/LibBytes.sol\";\nimport \"../../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../../tokens/EtherToken/IEtherToken.sol\";\nimport \"../../../tokens/ERC20Token/IERC20Token.sol\";\n\n\ncontract LibConstants {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n uint256 constant internal MAX_UINT = 2**256 - 1;\n uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; \n uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5%\n uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95%\n \n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n IEtherToken internal ETHER_TOKEN;\n IERC20Token internal ZRX_TOKEN;\n bytes internal ZRX_ASSET_DATA;\n bytes internal WETH_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n WETH_ASSET_DATA = _wethAssetData;\n\n address etherToken = _wethAssetData.readAddress(16);\n address zrxToken = _zrxAssetData.readAddress(16);\n ETHER_TOKEN = IEtherToken(etherToken);\n ZRX_TOKEN = IERC20Token(zrxToken);\n }\n}\n", - "2.0.0/extensions/Forwarder/mixins/MAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssets.sol\";\n\n\ncontract MAssets is\n IAssets\n{\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n}\n", - "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract MExchangeWrapper {\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n}\n", - "2.0.0/extensions/Forwarder/mixins/MWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract MWeth {\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal;\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal;\n}\n", - "2.0.0/extensions/OrderValidator/OrderValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract OrderValidator {\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n using LibBytes for bytes;\n\n struct TraderInfo {\n uint256 makerBalance; // Maker's balance of makerAsset\n uint256 makerAllowance; // Maker's allowance to corresponding AssetProxy\n uint256 takerBalance; // Taker's balance of takerAsset\n uint256 takerAllowance; // Taker's allowance to corresponding AssetProxy\n uint256 makerZrxBalance; // Maker's balance of ZRX\n uint256 makerZrxAllowance; // Maker's allowance of ZRX to ERC20Proxy\n uint256 takerZrxBalance; // Taker's balance of ZRX\n uint256 takerZrxAllowance; // Taker's allowance of ZRX to ERC20Proxy\n }\n\n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n bytes internal ZRX_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (address _exchange, bytes memory _zrxAssetData)\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n }\n\n /// @dev Fetches information for order and maker/taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return OrderInfo and TraderInfo instances for given order.\n function getOrderAndTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo, TraderInfo memory traderInfo)\n {\n orderInfo = EXCHANGE.getOrderInfo(order);\n traderInfo = getTraderInfo(order, takerAddress);\n return (orderInfo, traderInfo);\n }\n\n /// @dev Fetches information for all passed in orders and the makers/takers of each order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Arrays of OrderInfo and TraderInfo instances that correspond to each order.\n function getOrdersAndTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (LibOrder.OrderInfo[] memory ordersInfo, TraderInfo[] memory tradersInfo)\n {\n ordersInfo = EXCHANGE.getOrdersInfo(orders);\n tradersInfo = getTradersInfo(orders, takerAddresses);\n return (ordersInfo, tradersInfo);\n }\n\n /// @dev Fetches balance and allowances for maker and taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return Balances and allowances of maker and taker of order.\n function getTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (TraderInfo memory traderInfo)\n {\n (traderInfo.makerBalance, traderInfo.makerAllowance) = getBalanceAndAllowance(order.makerAddress, order.makerAssetData);\n (traderInfo.takerBalance, traderInfo.takerAllowance) = getBalanceAndAllowance(takerAddress, order.takerAssetData);\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n (traderInfo.makerZrxBalance, traderInfo.makerZrxAllowance) = getBalanceAndAllowance(order.makerAddress, zrxAssetData);\n (traderInfo.takerZrxBalance, traderInfo.takerZrxAllowance) = getBalanceAndAllowance(takerAddress, zrxAssetData);\n return traderInfo;\n }\n\n /// @dev Fetches balances and allowances of maker and taker for each provided order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Array of balances and allowances for maker and taker of each order.\n function getTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (TraderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n TraderInfo[] memory tradersInfo = new TraderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n tradersInfo[i] = getTraderInfo(orders[i], takerAddresses[i]);\n }\n return tradersInfo;\n }\n\n /// @dev Fetches token balances and allowances of an address to given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Encoded data that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balance of asset and allowance set to given proxy of asset.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalanceAndAllowance(address target, bytes memory assetData)\n public\n view\n returns (uint256 balance, uint256 allowance)\n {\n bytes4 assetProxyId = assetData.readBytes4(0);\n address token = assetData.readAddress(16);\n address assetProxy = EXCHANGE.getAssetProxy(assetProxyId);\n\n if (assetProxyId == ERC20_DATA_ID) {\n // Query balance\n balance = IERC20Token(token).balanceOf(target);\n\n // Query allowance\n allowance = IERC20Token(token).allowance(target, assetProxy);\n } else if (assetProxyId == ERC721_DATA_ID) {\n uint256 tokenId = assetData.readUint256(36);\n\n // Query owner of tokenId\n address owner = getERC721TokenOwner(token, tokenId);\n\n // Set balance to 1 if tokenId is owned by target\n balance = target == owner ? 1 : 0;\n\n // Check if ERC721Proxy is approved to spend tokenId\n bool isApproved = IERC721Token(token).isApprovedForAll(target, assetProxy) || IERC721Token(token).getApproved(tokenId) == assetProxy;\n \n // Set alowance to 1 if ERC721Proxy is approved to spend tokenId\n allowance = isApproved ? 1 : 0;\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n return (balance, allowance);\n }\n\n /// @dev Fetches token balances and allowances of an address for each given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Array of encoded byte arrays that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balances and allowances of assets.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalancesAndAllowances(address target, bytes[] memory assetData)\n public\n view\n returns (uint256[] memory, uint256[] memory)\n {\n uint256 length = assetData.length;\n uint256[] memory balances = new uint256[](length);\n uint256[] memory allowances = new uint256[](length);\n for (uint256 i = 0; i != length; i++) {\n (balances[i], allowances[i]) = getBalanceAndAllowance(target, assetData[i]);\n }\n return (balances, allowances);\n }\n\n /// @dev Calls `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token.\n /// @param token Address of ERC721 token.\n /// @param tokenId The identifier for the specific NFT.\n /// @return Owner of tokenId or null address if unowned.\n function getERC721TokenOwner(address token, uint256 tokenId)\n public\n view\n returns (address owner)\n {\n assembly {\n // load free memory pointer\n let cdStart := mload(64)\n\n // bytes4(keccak256(ownerOf(uint256))) = 0x6352211e\n mstore(cdStart, 0x6352211e00000000000000000000000000000000000000000000000000000000)\n mstore(add(cdStart, 4), tokenId)\n\n // staticcall `ownerOf(tokenId)`\n // `ownerOf` will revert if tokenId is not owned\n let success := staticcall(\n gas, // forward all gas\n token, // call token contract\n cdStart, // start of calldata\n 36, // length of input is 36 bytes\n cdStart, // write output over input\n 32 // size of output is 32 bytes\n )\n\n // Success implies that tokenId is owned\n // Copy owner from return data if successful\n if success {\n owner := mload(cdStart)\n } \n }\n\n // Owner initialized to address(0), no need to modify if call is unsuccessful\n return owner;\n }\n}\n", - "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC20Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n \n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n \n /////// Token contract address ///////\n // The token address is found as follows:\n // * It is stored at offset 4 in `assetData` contents.\n // * This is stored at offset 32 from `assetData`.\n // * The offset to `assetData` from Params is stored at offset\n // 4 in calldata.\n // * The offset of Params in calldata is 4.\n // So we read location 4 and add 32 + 4 + 4 to it.\n let token := calldataload(add(calldataload(4), 40))\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from`, `to` and `amount` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 96)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output over input\n 32 // output size should be 32 bytes\n )\n\n /////// Check return data. ///////\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // nonzero 32 bytes value.\n // So the transfer succeeded if the call succeeded and either\n // returned nothing, or returned a non-zero 32 byte value. \n success := and(success, or(\n iszero(returndatasize),\n and(\n eq(returndatasize, 32),\n gt(mload(0), 0)\n )\n ))\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", - "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC721Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 2 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n // | | 36 | | 2. tokenId |\n \n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. tokenId |\n\n // There exists only 1 of each token.\n // require(amount == 1, \"INVALID_AMOUNT\")\n if sub(calldataload(100), 1) {\n // Revert with `Error(\"INVALID_AMOUNT\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from` and `to` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 64)\n\n // Copy `tokenId` field from our own calldata to the new calldata.\n let assetDataOffset := calldataload(4)\n calldatacopy(68, add(assetDataOffset, 72), 32)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let token := calldataload(add(assetDataOffset, 40))\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output to null\n 0 // output size is 0 bytes\n )\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", - "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAuthorizable.sol\";\n\n\ncontract MixinAuthorizable is\n Ownable,\n MAuthorizable\n{\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized {\n require(\n authorized[msg.sender],\n \"SENDER_NOT_AUTHORIZED\"\n );\n _;\n }\n\n mapping (address => bool) public authorized;\n address[] public authorities;\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n !authorized[target],\n \"TARGET_ALREADY_AUTHORIZED\"\n );\n\n authorized[target] = true;\n authorities.push(target);\n emit AuthorizedAddressAdded(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n\n delete authorized[target];\n for (uint256 i = 0; i < authorities.length; i++) {\n if (authorities[i] == target) {\n authorities[i] = authorities[authorities.length - 1];\n authorities.length -= 1;\n break;\n }\n }\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n require(\n index < authorities.length,\n \"INDEX_OUT_OF_BOUNDS\"\n );\n require(\n authorities[index] == target,\n \"AUTHORIZED_ADDRESS_MISMATCH\"\n );\n\n delete authorized[target];\n authorities[index] = authorities[authorities.length - 1];\n authorities.length -= 1;\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory)\n {\n return authorities;\n }\n}\n", - "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IAuthorizable.sol\";\n\n\ncontract IAssetProxy is\n IAuthorizable\n{\n\n /// @dev Transfers assets. Either succeeds or throws.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n function transferFrom(\n bytes assetData,\n address from,\n address to,\n uint256 amount\n )\n external;\n \n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4);\n}\n", - "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/Ownable/IOwnable.sol\";\n\n\ncontract IAuthorizable is\n IOwnable\n{\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external;\n \n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory);\n}\n", - "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAuthorizable.sol\";\n\n\ncontract MAuthorizable is\n IAuthorizable\n{\n\n // Event logged when a new address is authorized.\n event AuthorizedAddressAdded(\n address indexed target,\n address indexed caller\n );\n\n // Event logged when a currently authorized address is unauthorized.\n event AuthorizedAddressRemoved(\n address indexed target,\n address indexed caller\n );\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized { revert(); _; }\n}\n", - "2.0.0/protocol/Exchange/Exchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinExchangeCore.sol\";\nimport \"./MixinSignatureValidator.sol\";\nimport \"./MixinWrapperFunctions.sol\";\nimport \"./MixinAssetProxyDispatcher.sol\";\nimport \"./MixinTransactions.sol\";\nimport \"./MixinMatchOrders.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Exchange is\n MixinExchangeCore,\n MixinMatchOrders,\n MixinSignatureValidator,\n MixinTransactions,\n MixinAssetProxyDispatcher,\n MixinWrapperFunctions\n{\n\n string constant public VERSION = \"2.0.1-alpha\";\n\n // Mixins are instantiated in the order they are inherited\n constructor (bytes memory _zrxAssetData)\n public\n LibConstants(_zrxAssetData) // @TODO: Remove when we deploy.\n MixinExchangeCore()\n MixinMatchOrders()\n MixinSignatureValidator()\n MixinTransactions()\n MixinAssetProxyDispatcher()\n MixinWrapperFunctions()\n {}\n}\n", - "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\nimport \"../AssetProxy/interfaces/IAssetProxy.sol\";\n\n\ncontract MixinAssetProxyDispatcher is\n Ownable,\n MAssetProxyDispatcher\n{\n using LibBytes for bytes;\n \n // Mapping from Asset Proxy Id's to their respective Asset Proxy\n mapping (bytes4 => IAssetProxy) public assetProxies;\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external\n onlyOwner\n {\n IAssetProxy assetProxyContract = IAssetProxy(assetProxy);\n\n // Ensure that no asset proxy exists with current id.\n bytes4 assetProxyId = assetProxyContract.getProxyId();\n address currentAssetProxy = assetProxies[assetProxyId];\n require(\n currentAssetProxy == address(0),\n \"ASSET_PROXY_ALREADY_EXISTS\"\n );\n\n // Add asset proxy and log registration.\n assetProxies[assetProxyId] = assetProxyContract;\n emit AssetProxyRegistered(\n assetProxyId,\n assetProxy\n );\n }\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address)\n {\n return assetProxies[assetProxyId];\n }\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal\n {\n // Do nothing if no amount should be transferred.\n if (amount > 0) {\n // Ensure assetData length is valid\n require(\n assetData.length > 3,\n \"LENGTH_GREATER_THAN_3_REQUIRED\"\n );\n \n // Lookup assetProxy\n bytes4 assetProxyId;\n assembly {\n assetProxyId := and(mload(\n add(assetData, 32)),\n 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000\n )\n }\n address assetProxy = assetProxies[assetProxyId];\n\n // Ensure that assetProxy exists\n require(\n assetProxy != address(0),\n \"ASSET_PROXY_DOES_NOT_EXIST\"\n );\n \n // We construct calldata for the `assetProxy.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n\n assembly {\n /////// Setup State ///////\n // `cdStart` is the start of the calldata for `assetProxy.transferFrom` (equal to free memory ptr).\n let cdStart := mload(64)\n // `dataAreaLength` is the total number of words needed to store `assetData`\n // As-per the ABI spec, this value is padded up to the nearest multiple of 32,\n // and includes 32-bytes for length.\n let dataAreaLength := and(add(mload(assetData), 63), 0xFFFFFFFFFFFE0)\n // `cdEnd` is the end of the calldata for `assetProxy.transferFrom`.\n let cdEnd := add(cdStart, add(132, dataAreaLength))\n\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFromSelector`.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes.\n // Notes:\n // 1. The offset to `assetData` is the length of the Params Area (128 bytes).\n // 2. A 20-byte mask is applied to addresses to zero-out the unused bytes.\n mstore(add(cdStart, 4), 128)\n mstore(add(cdStart, 36), and(from, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 68), and(to, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 100), amount)\n \n /////// Setup Data Area ///////\n // This area holds `assetData`.\n let dataArea := add(cdStart, 132)\n // solhint-disable-next-line no-empty-blocks\n for {} lt(dataArea, cdEnd) {} {\n mstore(dataArea, mload(assetData))\n dataArea := add(dataArea, 32)\n assetData := add(assetData, 32)\n }\n\n /////// Call `assetProxy.transferFrom` using the constructed calldata ///////\n let success := call(\n gas, // forward all gas\n assetProxy, // call address of asset proxy\n 0, // don't send any ETH\n cdStart, // pointer to start of input\n sub(cdEnd, cdStart), // length of input \n cdStart, // write output over input\n 512 // reserve 512 bytes for output\n )\n if iszero(success) {\n revert(cdStart, returndatasize())\n }\n }\n }\n }\n}\n", - "2.0.0/protocol/Exchange/MixinExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinExchangeCore is\n LibConstants,\n LibMath,\n LibOrder,\n LibFillResults,\n MAssetProxyDispatcher,\n MExchangeCore,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of orderHash => amount of takerAsset already bought by maker\n mapping (bytes32 => uint256) public filled;\n\n // Mapping of orderHash => cancelled\n mapping (bytes32 => bool) public cancelled;\n\n // Mapping of makerAddress => senderAddress => lowest salt an order can have in order to be fillable\n // Orders with specified senderAddress and with a salt less than their epoch are considered cancelled\n mapping (address => mapping (address => uint256)) public orderEpoch;\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external\n {\n address makerAddress = getCurrentContextAddress();\n // If this function is called via `executeTransaction`, we only update the orderEpoch for the makerAddress/msg.sender combination.\n // This allows external filter contracts to add rules to how orders are cancelled via this function.\n address senderAddress = makerAddress == msg.sender ? address(0) : msg.sender;\n\n // orderEpoch is initialized to 0, so to cancelUpTo we need salt + 1\n uint256 newOrderEpoch = targetOrderEpoch + 1; \n uint256 oldOrderEpoch = orderEpoch[makerAddress][senderAddress];\n\n // Ensure orderEpoch is monotonically increasing\n require(\n newOrderEpoch > oldOrderEpoch, \n \"INVALID_NEW_ORDER_EPOCH\"\n );\n\n // Update orderEpoch\n orderEpoch[makerAddress][senderAddress] = newOrderEpoch;\n emit CancelUpTo(makerAddress, senderAddress, newOrderEpoch);\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // Fetch order info\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n\n // Get amount of takerAsset to fill\n uint256 remainingTakerAssetAmount = safeSub(order.takerAssetAmount, orderInfo.orderTakerAssetFilledAmount);\n uint256 takerAssetFilledAmount = min256(takerAssetFillAmount, remainingTakerAssetAmount);\n\n // Validate context\n assertValidFill(\n order,\n orderInfo,\n takerAddress,\n takerAssetFillAmount,\n takerAssetFilledAmount,\n signature\n );\n\n // Compute proportional fill amounts\n fillResults = calculateFillResults(order, takerAssetFilledAmount);\n\n // Update exchange internal state\n updateFilledState(\n order,\n takerAddress,\n orderInfo.orderHash,\n orderInfo.orderTakerAssetFilledAmount,\n fillResults\n );\n \n // Settle order\n settleOrder(order, takerAddress, fillResults);\n\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrder(Order memory order)\n public\n {\n // Fetch current order status\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Validate context\n assertValidCancel(order, orderInfo);\n\n // Perform cancel\n updateCancelledState(order, orderInfo.orderHash);\n }\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(Order memory order)\n public\n view\n returns (OrderInfo memory orderInfo)\n {\n // Compute the order hash\n orderInfo.orderHash = getOrderHash(order);\n\n // Fetch filled amount\n orderInfo.orderTakerAssetFilledAmount = filled[orderInfo.orderHash];\n\n // If order.makerAssetAmount is zero, we also reject the order.\n // While the Exchange contract handles them correctly, they create\n // edge cases in the supporting infrastructure because they have\n // an 'infinite' price when computed by a simple division.\n if (order.makerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_MAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // If order.takerAssetAmount is zero, then the order will always\n // be considered filled because 0 == takerAssetAmount == orderTakerAssetFilledAmount\n // Instead of distinguishing between unfilled and filled zero taker\n // amount orders, we choose not to support them.\n if (order.takerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_TAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // Validate order availability\n if (orderInfo.orderTakerAssetFilledAmount >= order.takerAssetAmount) {\n orderInfo.orderStatus = uint8(OrderStatus.FULLY_FILLED);\n return orderInfo;\n }\n\n // Validate order expiration\n // solhint-disable-next-line not-rely-on-time\n if (block.timestamp >= order.expirationTimeSeconds) {\n orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);\n return orderInfo;\n }\n\n // Check if order has been cancelled\n if (cancelled[orderInfo.orderHash]) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n if (orderEpoch[order.makerAddress][order.senderAddress] > order.salt) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n\n // All other statuses are ruled out: order is Fillable\n orderInfo.orderStatus = uint8(OrderStatus.FILLABLE);\n return orderInfo;\n }\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n function updateFilledState(\n Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n FillResults memory fillResults\n )\n internal\n {\n // Update state\n filled[orderHash] = safeAdd(orderTakerAssetFilledAmount, fillResults.takerAssetFilledAmount);\n\n // Log order\n emit Fill(\n order.makerAddress,\n order.feeRecipientAddress,\n takerAddress,\n msg.sender,\n fillResults.makerAssetFilledAmount,\n fillResults.takerAssetFilledAmount,\n fillResults.makerFeePaid,\n fillResults.takerFeePaid,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n Order memory order,\n bytes32 orderHash\n )\n internal\n {\n // Perform cancel\n cancelled[orderHash] = true;\n\n // Log cancel\n emit Cancel(\n order.makerAddress,\n order.feeRecipientAddress,\n msg.sender,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param signature Proof that the orders was created by its maker.\n function assertValidFill(\n Order memory order,\n OrderInfo memory orderInfo,\n address takerAddress,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n bytes memory signature\n )\n internal\n view\n {\n // An order can only be filled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Revert if fill amount is invalid\n require(\n takerAssetFillAmount != 0,\n \"INVALID_TAKER_AMOUNT\"\n );\n\n // Validate sender is allowed to fill this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate taker is allowed to fill this order\n if (order.takerAddress != address(0)) {\n require(\n order.takerAddress == takerAddress,\n \"INVALID_TAKER\"\n );\n }\n\n // Validate Maker signature (check only if first time seen)\n if (orderInfo.orderTakerAssetFilledAmount == 0) {\n require(\n isValidSignature(\n orderInfo.orderHash,\n order.makerAddress,\n signature\n ),\n \"INVALID_ORDER_SIGNATURE\"\n );\n }\n\n // Validate fill order rounding\n require(\n !isRoundingError(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n ),\n \"ROUNDING_ERROR\"\n );\n }\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n Order memory order,\n OrderInfo memory orderInfo\n )\n internal\n view\n {\n // Ensure order is valid\n // An order can only be cancelled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Validate sender is allowed to cancel this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate transaction signed by maker\n address makerAddress = getCurrentContextAddress();\n require(\n order.makerAddress == makerAddress,\n \"INVALID_MAKER\"\n );\n }\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (FillResults memory fillResults)\n {\n // Compute proportional transfer amounts\n fillResults.takerAssetFilledAmount = takerAssetFilledAmount;\n fillResults.makerAssetFilledAmount = getPartialAmount(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n );\n fillResults.makerFeePaid = getPartialAmount(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerFee\n );\n fillResults.takerFeePaid = getPartialAmount(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.takerFee\n );\n\n return fillResults;\n }\n\n /// @dev Settles an order by transferring assets between counterparties.\n /// @param order Order struct containing order specifications.\n /// @param takerAddress Address selling takerAsset and buying makerAsset.\n /// @param fillResults Amounts to be filled and fees paid by maker and taker.\n function settleOrder(\n LibOrder.Order memory order,\n address takerAddress,\n LibFillResults.FillResults memory fillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n dispatchTransferFrom(\n order.makerAssetData,\n order.makerAddress,\n takerAddress,\n fillResults.makerAssetFilledAmount\n );\n dispatchTransferFrom(\n order.takerAssetData,\n takerAddress,\n order.makerAddress,\n fillResults.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n zrxAssetData,\n order.makerAddress,\n order.feeRecipientAddress,\n fillResults.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n order.feeRecipientAddress,\n fillResults.takerFeePaid\n );\n }\n}\n", - "2.0.0/protocol/Exchange/MixinMatchOrders.sol": "/*\n Copyright 2018 ZeroEx Intl.\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n http://www.apache.org/licenses/LICENSE-2.0\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MMatchOrders.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinMatchOrders is\n LibConstants,\n LibMath,\n MAssetProxyDispatcher,\n MExchangeCore,\n MMatchOrders,\n MTransactions\n{\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We assume that rightOrder.takerAssetData == leftOrder.makerAssetData and rightOrder.makerAssetData == leftOrder.takerAssetData.\n // If this assumption isn't true, the match will fail at signature validation.\n rightOrder.makerAssetData = leftOrder.takerAssetData;\n rightOrder.takerAssetData = leftOrder.makerAssetData;\n\n // Get left & right order info\n LibOrder.OrderInfo memory leftOrderInfo = getOrderInfo(leftOrder);\n LibOrder.OrderInfo memory rightOrderInfo = getOrderInfo(rightOrder);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n\n // Either our context is valid or we revert\n assertValidMatch(leftOrder, rightOrder);\n\n // Compute proportional fill amounts\n matchedFillResults = calculateMatchedFillResults(\n leftOrder,\n rightOrder,\n leftOrderInfo.orderTakerAssetFilledAmount,\n rightOrderInfo.orderTakerAssetFilledAmount\n );\n\n // Validate fill contexts\n assertValidFill(\n leftOrder,\n leftOrderInfo,\n takerAddress,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.takerAssetFilledAmount,\n leftSignature\n );\n assertValidFill(\n rightOrder,\n rightOrderInfo,\n takerAddress,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount,\n rightSignature\n );\n\n // Update exchange state\n updateFilledState(\n leftOrder,\n takerAddress,\n leftOrderInfo.orderHash,\n leftOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.left\n );\n updateFilledState(\n rightOrder,\n takerAddress,\n rightOrderInfo.orderHash,\n rightOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.right\n );\n \n // Settle matched orders. Succeeds or throws.\n settleMatchedOrders(\n leftOrder,\n rightOrder,\n takerAddress,\n matchedFillResults\n );\n\n return matchedFillResults;\n }\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure\n {\n // Make sure there is a profitable spread.\n // There is a profitable spread iff the cost per unit bought (OrderA.MakerAmount/OrderA.TakerAmount) for each order is greater\n // than the profit per unit sold of the matched order (OrderB.TakerAmount/OrderB.MakerAmount).\n // This is satisfied by the equations below:\n // / >= / \n // AND\n // / >= / \n // These equations can be combined to get the following:\n require(\n safeMul(leftOrder.makerAssetAmount, rightOrder.makerAssetAmount) >=\n safeMul(leftOrder.takerAssetAmount, rightOrder.takerAssetAmount),\n \"NEGATIVE_SPREAD_REQUIRED\"\n );\n }\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We settle orders at the exchange rate of the right order.\n // The amount saved by the left maker goes to the taker.\n // Either the left or right order will be fully filled; possibly both.\n // The left order is fully filled iff the right order can sell more than left can buy.\n // That is: the amount required to fill the left order is less than or equal to\n // the amount we can spend from the right order:\n // <= * \n // <= * / \n // * <= * \n uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);\n uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);\n uint256 leftTakerAssetFilledAmount;\n uint256 rightTakerAssetFilledAmount;\n if (\n safeMul(leftTakerAssetAmountRemaining, rightOrder.takerAssetAmount) <=\n safeMul(rightTakerAssetAmountRemaining, rightOrder.makerAssetAmount)\n ) {\n // Left order will be fully filled: maximally fill left\n leftTakerAssetFilledAmount = leftTakerAssetAmountRemaining;\n\n // The right order receives an amount proportional to how much was spent.\n rightTakerAssetFilledAmount = getPartialAmount(\n rightOrder.takerAssetAmount,\n rightOrder.makerAssetAmount,\n leftTakerAssetFilledAmount\n );\n } else {\n // Right order will be fully filled: maximally fill right\n rightTakerAssetFilledAmount = rightTakerAssetAmountRemaining;\n\n // The left order receives an amount proportional to how much was spent.\n leftTakerAssetFilledAmount = getPartialAmount(\n rightOrder.makerAssetAmount,\n rightOrder.takerAssetAmount,\n rightTakerAssetFilledAmount\n );\n }\n\n // Calculate fill results for left order\n matchedFillResults.left = calculateFillResults(\n leftOrder,\n leftTakerAssetFilledAmount\n );\n\n // Calculate fill results for right order\n matchedFillResults.right = calculateFillResults(\n rightOrder,\n rightTakerAssetFilledAmount\n );\n\n // Calculate amount given to taker\n matchedFillResults.leftMakerAssetSpreadAmount = safeSub(\n matchedFillResults.left.makerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount\n );\n\n // Return fill results\n return matchedFillResults;\n }\n\n /// @dev Settles matched order by transferring appropriate funds between order makers, taker, and fee recipient.\n /// @param leftOrder First matched order.\n /// @param rightOrder Second matched order.\n /// @param takerAddress Address that matched the orders. The taker receives the spread between orders as profit.\n /// @param matchedFillResults Struct holding amounts to transfer between makers, taker, and fee recipients.\n function settleMatchedOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n address takerAddress,\n LibFillResults.MatchedFillResults memory matchedFillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n // Order makers and taker\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n rightOrder.makerAddress,\n matchedFillResults.right.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n rightOrder.makerAssetData,\n rightOrder.makerAddress,\n leftOrder.makerAddress,\n matchedFillResults.left.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n takerAddress,\n matchedFillResults.leftMakerAssetSpreadAmount\n );\n\n // Maker fees\n dispatchTransferFrom(\n zrxAssetData,\n leftOrder.makerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n rightOrder.makerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.makerFeePaid\n );\n\n // Taker fees\n if (leftOrder.feeRecipientAddress == rightOrder.feeRecipientAddress) {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n safeAdd(\n matchedFillResults.left.takerFeePaid,\n matchedFillResults.right.takerFeePaid\n )\n );\n } else {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.takerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.takerFeePaid\n );\n }\n }\n}\n", - "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./interfaces/IWallet.sol\";\nimport \"./interfaces/IValidator.sol\";\n\n\ncontract MixinSignatureValidator is\n MSignatureValidator,\n MTransactions\n{\n using LibBytes for bytes;\n \n // Mapping of hash => signer => signed\n mapping (bytes32 => mapping (address => bool)) public preSigned;\n\n // Mapping of signer => validator => approved\n mapping (address => mapping (address => bool)) public allowedValidators;\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n {\n require(\n isValidSignature(\n hash,\n signerAddress,\n signature\n ),\n \"INVALID_SIGNATURE\"\n );\n preSigned[hash][signerAddress] = true;\n }\n\n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external\n {\n address signerAddress = getCurrentContextAddress();\n allowedValidators[signerAddress][validatorAddress] = approval;\n emit SignatureValidatorApproval(\n signerAddress,\n validatorAddress,\n approval\n );\n }\n\n /// @dev Verifies that a hash has been signed by the given signer.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid)\n {\n require(\n signature.length > 0,\n \"LENGTH_GREATER_THAN_0_REQUIRED\"\n );\n\n // Pop last byte off of signature byte array.\n uint8 signatureTypeRaw = uint8(signature.popLastByte());\n\n // Ensure signature is supported\n require(\n signatureTypeRaw < uint8(SignatureType.NSignatureTypes),\n \"SIGNATURE_UNSUPPORTED\"\n );\n\n SignatureType signatureType = SignatureType(signatureTypeRaw);\n\n // Variables are not scoped in Solidity.\n uint8 v;\n bytes32 r;\n bytes32 s;\n address recovered;\n\n // Always illegal signature.\n // This is always an implicit option since a signer can create a\n // signature array with invalid type or length. We may as well make\n // it an explicit option. This aids testing and analysis. It is\n // also the initialization value for the enum type.\n if (signatureType == SignatureType.Illegal) {\n revert(\"SIGNATURE_ILLEGAL\");\n\n // Always invalid signature.\n // Like Illegal, this is always implicitly available and therefore\n // offered explicitly. It can be implicitly created by providing\n // a correctly formatted but incorrect signature.\n } else if (signatureType == SignatureType.Invalid) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = false;\n return isValid;\n\n // Signature using EIP712\n } else if (signatureType == SignatureType.EIP712) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n hash,\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signed using web3.eth_sign\n } else if (signatureType == SignatureType.EthSign) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n32\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Implicitly signed by caller.\n // The signer has initiated the call. In the case of non-contract\n // accounts it means the transaction itself was signed.\n // Example: let's say for a particular operation three signatures\n // A, B and C are required. To submit the transaction, A and B can\n // give a signature to C, who can then submit the transaction using\n // `Caller` for his own signature. Or A and C can sign and B can\n // submit using `Caller`. Having `Caller` allows this flexibility.\n } else if (signatureType == SignatureType.Caller) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = signerAddress == msg.sender;\n return isValid;\n\n // Signature verified by wallet contract.\n // If used with an order, the maker of the order is the wallet contract.\n } else if (signatureType == SignatureType.Wallet) {\n isValid = IWallet(signerAddress).isValidSignature(hash, signature);\n return isValid;\n\n // Signature verified by validator contract.\n // If used with an order, the maker of the order can still be an EOA.\n // A signature using this type should be encoded as:\n // | Offset | Length | Contents |\n // | 0x00 | x | Signature to validate |\n // | 0x00 + x | 20 | Address of validator contract |\n // | 0x14 + x | 1 | Signature type is always \"\\x06\" |\n } else if (signatureType == SignatureType.Validator) {\n // Pop last 20 bytes off of signature byte array.\n address validatorAddress = signature.popLast20Bytes();\n \n // Ensure signer has approved validator.\n if (!allowedValidators[signerAddress][validatorAddress]) {\n return false;\n }\n isValid = IValidator(validatorAddress).isValidSignature(\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signer signed hash previously using the preSign function.\n } else if (signatureType == SignatureType.PreSigned) {\n isValid = preSigned[hash][signerAddress];\n return isValid;\n\n // Signature from Trezor hardware wallet.\n // It differs from web3.eth_sign in the encoding of message length\n // (Bitcoin varint encoding vs ascii-decimal, the latter is not\n // self-terminating which leads to ambiguities).\n // See also:\n // https://en.bitcoin.it/wiki/Protocol_documentation#Variable_length_integer\n // https://github.com/trezor/trezor-mcu/blob/master/firmware/ethereum.c#L602\n // https://github.com/trezor/trezor-mcu/blob/master/firmware/crypto.c#L36\n } else if (signatureType == SignatureType.Trezor) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n\\x20\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n }\n\n // Anything else is illegal (We do not return false because\n // the signature may actually be valid, just not in a format\n // that we currently support. In this case returning false\n // may lead the caller to incorrectly believe that the\n // signature was invalid.)\n revert(\"SIGNATURE_UNSUPPORTED\");\n }\n}\n", - "2.0.0/protocol/Exchange/MixinTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"./libs/LibExchangeErrors.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./libs/LibEIP712.sol\";\n\n\ncontract MixinTransactions is\n LibEIP712,\n MSignatureValidator,\n MTransactions\n{\n\n // Mapping of transaction hash => executed\n // This prevents transactions from being executed more than once.\n mapping (bytes32 => bool) public transactions;\n\n // Address of current transaction signer\n address public currentContextAddress;\n\n // Hash for the EIP712 ZeroEx Transaction Schema\n bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"ZeroExTransaction(\",\n \"uint256 salt,\",\n \"address signerAddress,\",\n \"bytes data\",\n \")\"\n ));\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external\n {\n // Prevent reentrancy\n require(\n currentContextAddress == address(0),\n \"REENTRANCY_ILLEGAL\"\n );\n\n bytes32 transactionHash = hashEIP712Message(hashZeroExTransaction(\n salt,\n signerAddress,\n data\n ));\n\n // Validate transaction has not been executed\n require(\n !transactions[transactionHash],\n \"INVALID_TX_HASH\"\n );\n\n // Transaction always valid if signer is sender of transaction\n if (signerAddress != msg.sender) {\n // Validate signature\n require(\n isValidSignature(\n transactionHash,\n signerAddress,\n signature\n ),\n \"INVALID_TX_SIGNATURE\"\n );\n\n // Set the current transaction signer\n currentContextAddress = signerAddress;\n }\n\n // Execute transaction\n transactions[transactionHash] = true;\n require(\n address(this).delegatecall(data),\n \"FAILED_EXECUTION\"\n );\n\n // Reset current transaction signer if it was previously updated\n if (signerAddress != msg.sender) {\n currentContextAddress = address(0);\n }\n }\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;\n bytes32 dataHash = keccak256(data);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,\n // salt,\n // bytes32(signerAddress),\n // keccak256(data)\n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, schemaHash) // hash of schema\n mstore(add(memPtr, 32), salt) // salt\n mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff)) // signerAddress\n mstore(add(memPtr, 96), dataHash) // hash of data\n\n // Compute hash\n result := keccak256(memPtr, 128)\n }\n return result;\n }\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address)\n {\n address contextAddress = currentContextAddress == address(0) ? msg.sender : currentContextAddress;\n return contextAddress;\n }\n}\n", - "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibAbiEncoder.sol\";\nimport \"./mixins/MExchangeCore.sol\";\n\n\ncontract MixinWrapperFunctions is\n LibMath,\n LibFillResults,\n LibAbiEncoder,\n MExchangeCore\n{\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n require(\n fillResults.takerAssetFilledAmount == takerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return fillResults;\n }\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n // Delegate to `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := delegatecall(\n gas, // forward all gas, TODO: look into gas consumption of assert/throw\n address, // call address of this contract\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n switch success\n case 0 {\n mstore(fillResults, 0)\n mstore(add(fillResults, 32), 0)\n mstore(add(fillResults, 64), 0)\n mstore(add(fillResults, 96), 0)\n }\n case 1 {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrder(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrKillOrder(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n \n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrder(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmount(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrder(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmount(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n cancelOrder(orders[i]);\n }\n }\n\n /// @dev Fetches information for all passed in orders.\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n LibOrder.OrderInfo[] memory ordersInfo = new LibOrder.OrderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n ordersInfo[i] = getOrderInfo(orders[i]);\n }\n return ordersInfo;\n }\n}\n", - "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssetProxyDispatcher {\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external;\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IExchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./IExchangeCore.sol\";\nimport \"./IMatchOrders.sol\";\nimport \"./ISignatureValidator.sol\";\nimport \"./ITransactions.sol\";\nimport \"./IAssetProxyDispatcher.sol\";\nimport \"./IWrapperFunctions.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract IExchange is\n IExchangeCore,\n IMatchOrders,\n ISignatureValidator,\n ITransactions,\n IAssetProxyDispatcher,\n IWrapperFunctions\n{}\n", - "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IExchangeCore {\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external;\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrder(LibOrder.Order memory order)\n public;\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(LibOrder.Order memory order)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IMatchOrders {\n\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n}\n", - "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ISignatureValidator {\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external;\n \n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external;\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address of signer.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\n\ncontract ITransactions {\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external;\n}\n", - "2.0.0/protocol/Exchange/interfaces/IValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IValidator {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IWallet {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IWrapperFunctions {\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public;\n\n /// @dev Fetches information for all passed in orders\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory);\n}\n", - "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./LibOrder.sol\";\n\n\ncontract LibAbiEncoder {\n\n /// @dev ABI encodes calldata for `fillOrder`.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return ABI encoded calldata for `fillOrder`.\n function abiEncodeFillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n pure\n returns (bytes memory fillOrderCalldata)\n {\n // We need to call MExchangeCore.fillOrder using a delegatecall in\n // assembly so that we can intercept a call that throws. For this, we\n // need the input encoded in memory in the Ethereum ABIv2 format [1].\n\n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0x00 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 0x00 | | 1. offset to order (*) |\n // | | 0x20 | | 2. takerAssetFillAmount |\n // | | 0x40 | | 3. offset to signature (*) |\n // | Data | | 12 * 32 | order: |\n // | | 0x000 | | 1. senderAddress |\n // | | 0x020 | | 2. makerAddress |\n // | | 0x040 | | 3. takerAddress |\n // | | 0x060 | | 4. feeRecipientAddress |\n // | | 0x080 | | 5. makerAssetAmount |\n // | | 0x0A0 | | 6. takerAssetAmount |\n // | | 0x0C0 | | 7. makerFeeAmount |\n // | | 0x0E0 | | 8. takerFeeAmount |\n // | | 0x100 | | 9. expirationTimeSeconds |\n // | | 0x120 | | 10. salt |\n // | | 0x140 | | 11. Offset to makerAssetData (*) |\n // | | 0x160 | | 12. Offset to takerAssetData (*) |\n // | | 0x180 | 32 | makerAssetData Length |\n // | | 0x1A0 | ** | makerAssetData Contents |\n // | | 0x1C0 | 32 | takerAssetData Length |\n // | | 0x1E0 | ** | takerAssetData Contents |\n // | | 0x200 | 32 | signature Length |\n // | | 0x220 | ** | signature Contents |\n\n // * Offsets are calculated from the beginning of the current area: Header, Params, Data:\n // An offset stored in the Params area is calculated from the beginning of the Params section.\n // An offset stored in the Data area is calculated from the beginning of the Data section.\n\n // ** The length of dynamic array contents are stored in the field immediately preceeding the contents.\n\n // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html\n\n assembly {\n\n // Areas below may use the following variables:\n // 1. Start -- Start of this area in memory\n // 2. End -- End of this area in memory. This value may\n // be precomputed (before writing contents),\n // or it may be computed as contents are written.\n // 3. Offset -- Current offset into area. If an area's End\n // is precomputed, this variable tracks the\n // offsets of contents as they are written.\n\n /////// Setup Header Area ///////\n // Load free memory pointer\n fillOrderCalldata := mload(0x40)\n // bytes4(keccak256(\"fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)\"))\n // = 0xb4be83d5\n // Leave 0x20 bytes to store the length\n mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000)\n let headerAreaEnd := add(fillOrderCalldata, 0x24)\n\n /////// Setup Params Area ///////\n // This area is preallocated and written to later.\n // This is because we need to fill in offsets that have not yet been calculated.\n let paramsAreaStart := headerAreaEnd\n let paramsAreaEnd := add(paramsAreaStart, 0x60)\n let paramsAreaOffset := paramsAreaStart\n\n /////// Setup Data Area ///////\n let dataAreaStart := paramsAreaEnd\n let dataAreaEnd := dataAreaStart\n\n // Offset from the source data we're reading from\n let sourceOffset := order\n // arrayLenBytes and arrayLenWords track the length of a dynamically-allocated bytes array.\n let arrayLenBytes := 0\n let arrayLenWords := 0\n\n /////// Write order Struct ///////\n // Write memory location of Order, relative to the start of the\n // parameter list, then increment the paramsAreaOffset respectively.\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n // Write values for each field in the order\n // It would be nice to use a loop, but we save on gas by writing\n // the stores sequentially.\n mstore(dataAreaEnd, mload(sourceOffset)) // makerAddress\n mstore(add(dataAreaEnd, 0x20), mload(add(sourceOffset, 0x20))) // takerAddress\n mstore(add(dataAreaEnd, 0x40), mload(add(sourceOffset, 0x40))) // feeRecipientAddress\n mstore(add(dataAreaEnd, 0x60), mload(add(sourceOffset, 0x60))) // senderAddress\n mstore(add(dataAreaEnd, 0x80), mload(add(sourceOffset, 0x80))) // makerAssetAmount\n mstore(add(dataAreaEnd, 0xA0), mload(add(sourceOffset, 0xA0))) // takerAssetAmount\n mstore(add(dataAreaEnd, 0xC0), mload(add(sourceOffset, 0xC0))) // makerFeeAmount\n mstore(add(dataAreaEnd, 0xE0), mload(add(sourceOffset, 0xE0))) // takerFeeAmount\n mstore(add(dataAreaEnd, 0x100), mload(add(sourceOffset, 0x100))) // expirationTimeSeconds\n mstore(add(dataAreaEnd, 0x120), mload(add(sourceOffset, 0x120))) // salt\n mstore(add(dataAreaEnd, 0x140), mload(add(sourceOffset, 0x140))) // Offset to makerAssetData\n mstore(add(dataAreaEnd, 0x160), mload(add(sourceOffset, 0x160))) // Offset to takerAssetData\n dataAreaEnd := add(dataAreaEnd, 0x180)\n sourceOffset := add(sourceOffset, 0x180)\n\n // Write offset to \n mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x140)) // makerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Write offset to \n mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x160)) // takerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n /////// Write takerAssetFillAmount ///////\n mstore(paramsAreaOffset, takerAssetFillAmount)\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n /////// Write signature ///////\n // Write offset to paramsArea\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n\n // Calculate length of signature\n sourceOffset := signature\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of signature\n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of signature\n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Set length of calldata\n mstore(fillOrderCalldata, sub(dataAreaEnd, add(fillOrderCalldata, 0x20)))\n\n // Increment free memory pointer\n mstore(0x40, dataAreaEnd)\n }\n\n return fillOrderCalldata;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\n// solhint-disable max-line-length\ncontract LibConstants {\n \n // Asset data for ZRX token. Used for fee transfers.\n // @TODO: Hardcode constant when we deploy. Currently \n // not constant to make testing easier.\n\n // The proxyId for ZRX_ASSET_DATA is bytes4(keccak256(\"ERC20Token(address)\")) = 0xf47261b0\n \n // Kovan ZRX address is 0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570.\n // The ABI encoded proxyId and address is 0xf47261b00000000000000000000000006ff6c0ff1d68b964901f986d4c9fa3ac68346570\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x6f\\xf6\\xc0\\xff\\x1d\\x68\\xb9\\x64\\x90\\x1f\\x98\\x6d\\x4c\\x9f\\xa3\\xac\\x68\\x34\\x65\\x70\";\n \n // Mainnet ZRX address is 0xe41d2489571d322189246dafa5ebde1f4699f498.\n // The ABI encoded proxyId and address is 0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xe4\\x1d\\x24\\x89\\x57\\x1d\\x32\\x21\\x89\\x24\\x6d\\xaf\\xa5\\xeb\\xde\\x1f\\x46\\x99\\xf4\\x98\";\n \n // solhint-disable-next-line var-name-mixedcase\n bytes public ZRX_ASSET_DATA;\n\n // @TODO: Remove when we deploy.\n constructor (bytes memory zrxAssetData)\n public\n {\n ZRX_ASSET_DATA = zrxAssetData;\n }\n}\n// solhint-enable max-line-length\n", - "2.0.0/protocol/Exchange/libs/LibEIP712.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract LibEIP712 {\n // EIP191 header for EIP712 prefix\n string constant internal EIP191_HEADER = \"\\x19\\x01\";\n\n // EIP712 Domain Name value\n string constant internal EIP712_DOMAIN_NAME = \"0x Protocol\";\n\n // EIP712 Domain Version value\n string constant internal EIP712_DOMAIN_VERSION = \"2\";\n\n // Hash of the EIP712 Domain Separator Schema\n bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"EIP712Domain(\",\n \"string name,\",\n \"string version,\",\n \"address verifyingContract\",\n \")\"\n ));\n\n // Hash of the EIP712 Domain Separator data\n // solhint-disable-next-line var-name-mixedcase\n bytes32 public EIP712_DOMAIN_HASH;\n\n constructor ()\n public\n {\n EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(\n EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,\n keccak256(bytes(EIP712_DOMAIN_NAME)),\n keccak256(bytes(EIP712_DOMAIN_VERSION)),\n bytes32(address(this))\n ));\n }\n\n /// @dev Calculates EIP712 encoding for a hash struct in this EIP712 Domain.\n /// @param hashStruct The EIP712 hash struct.\n /// @return EIP712 hash applied to this EIP712 Domain.\n function hashEIP712Message(bytes32 hashStruct)\n internal\n view\n returns (bytes32 result)\n {\n bytes32 eip712DomainHash = EIP712_DOMAIN_HASH;\n\n // Assembly for more efficient computing:\n // keccak256(abi.encodePacked(\n // EIP191_HEADER,\n // EIP712_DOMAIN_HASH,\n // hashStruct \n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, 0x1901000000000000000000000000000000000000000000000000000000000000) // EIP191 header\n mstore(add(memPtr, 2), eip712DomainHash) // EIP712 domain hash\n mstore(add(memPtr, 34), hashStruct) // Hash of struct\n\n // Compute hash\n result := keccak256(memPtr, 66)\n }\n return result;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity 0.4.24;\n\n\n/// @dev This contract documents the revert reasons used in the Exchange contract.\n/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons.\ncontract LibExchangeErrors {\n\n /// Order validation errors ///\n string constant ORDER_UNFILLABLE = \"ORDER_UNFILLABLE\"; // Order cannot be filled.\n string constant INVALID_MAKER = \"INVALID_MAKER\"; // Invalid makerAddress.\n string constant INVALID_TAKER = \"INVALID_TAKER\"; // Invalid takerAddress.\n string constant INVALID_SENDER = \"INVALID_SENDER\"; // Invalid `msg.sender`.\n string constant INVALID_ORDER_SIGNATURE = \"INVALID_ORDER_SIGNATURE\"; // Signature validation failed. \n \n /// fillOrder validation errors ///\n string constant INVALID_TAKER_AMOUNT = \"INVALID_TAKER_AMOUNT\"; // takerAssetFillAmount cannot equal 0.\n string constant ROUNDING_ERROR = \"ROUNDING_ERROR\"; // Rounding error greater than 0.1% of takerAssetFillAmount. \n \n /// Signature validation errors ///\n string constant INVALID_SIGNATURE = \"INVALID_SIGNATURE\"; // Signature validation failed. \n string constant SIGNATURE_ILLEGAL = \"SIGNATURE_ILLEGAL\"; // Signature type is illegal.\n string constant SIGNATURE_UNSUPPORTED = \"SIGNATURE_UNSUPPORTED\"; // Signature type unsupported.\n \n /// cancelOrdersUptTo errors ///\n string constant INVALID_NEW_ORDER_EPOCH = \"INVALID_NEW_ORDER_EPOCH\"; // Specified salt must be greater than or equal to existing orderEpoch.\n\n /// fillOrKillOrder errors ///\n string constant COMPLETE_FILL_FAILED = \"COMPLETE_FILL_FAILED\"; // Desired takerAssetFillAmount could not be completely filled. \n\n /// matchOrders errors ///\n string constant NEGATIVE_SPREAD_REQUIRED = \"NEGATIVE_SPREAD_REQUIRED\"; // Matched orders must have a negative spread.\n\n /// Transaction errors ///\n string constant REENTRANCY_ILLEGAL = \"REENTRANCY_ILLEGAL\"; // Recursive reentrancy is not allowed. \n string constant INVALID_TX_HASH = \"INVALID_TX_HASH\"; // Transaction has already been executed. \n string constant INVALID_TX_SIGNATURE = \"INVALID_TX_SIGNATURE\"; // Signature validation failed. \n string constant FAILED_EXECUTION = \"FAILED_EXECUTION\"; // Transaction execution failed. \n \n /// registerAssetProxy errors ///\n string constant ASSET_PROXY_ALREADY_EXISTS = \"ASSET_PROXY_ALREADY_EXISTS\"; // AssetProxy with same id already exists.\n\n /// dispatchTransferFrom errors ///\n string constant ASSET_PROXY_DOES_NOT_EXIST = \"ASSET_PROXY_DOES_NOT_EXIST\"; // No assetProxy registered at given id.\n string constant TRANSFER_FAILED = \"TRANSFER_FAILED\"; // Asset transfer unsuccesful.\n\n /// Length validation errors ///\n string constant LENGTH_GREATER_THAN_0_REQUIRED = \"LENGTH_GREATER_THAN_0_REQUIRED\"; // Byte array must have a length greater than 0.\n string constant LENGTH_GREATER_THAN_3_REQUIRED = \"LENGTH_GREATER_THAN_3_REQUIRED\"; // Byte array must have a length greater than 3.\n string constant LENGTH_0_REQUIRED = \"LENGTH_0_REQUIRED\"; // Byte array must have a length of 0.\n string constant LENGTH_65_REQUIRED = \"LENGTH_65_REQUIRED\"; // Byte array must have a length of 65.\n}\n", - "2.0.0/protocol/Exchange/libs/LibFillResults.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibFillResults is\n SafeMath\n{\n\n struct FillResults {\n uint256 makerAssetFilledAmount; // Total amount of makerAsset(s) filled.\n uint256 takerAssetFilledAmount; // Total amount of takerAsset(s) filled.\n uint256 makerFeePaid; // Total amount of ZRX paid by maker(s) to feeRecipient(s).\n uint256 takerFeePaid; // Total amount of ZRX paid by taker to feeRecipients(s).\n }\n\n struct MatchedFillResults {\n FillResults left; // Amounts filled and fees paid of left order.\n FillResults right; // Amounts filled and fees paid of right order.\n uint256 leftMakerAssetSpreadAmount; // Spread between price of left and right order, denominated in the left order's makerAsset, paid to taker.\n }\n\n /// @dev Adds properties of both FillResults instances.\n /// Modifies the first FillResults instance specified.\n /// @param totalFillResults Fill results instance that will be added onto.\n /// @param singleFillResults Fill results instance that will be added to totalFillResults.\n function addFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)\n internal\n pure\n {\n totalFillResults.makerAssetFilledAmount = safeAdd(totalFillResults.makerAssetFilledAmount, singleFillResults.makerAssetFilledAmount);\n totalFillResults.takerAssetFilledAmount = safeAdd(totalFillResults.takerAssetFilledAmount, singleFillResults.takerAssetFilledAmount);\n totalFillResults.makerFeePaid = safeAdd(totalFillResults.makerFeePaid, singleFillResults.makerFeePaid);\n totalFillResults.takerFeePaid = safeAdd(totalFillResults.takerFeePaid, singleFillResults.takerFeePaid);\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibMath.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibMath is\n SafeMath\n{\n\n /// @dev Calculates partial value given a numerator and denominator.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target.\n function getPartialAmount(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Checks if rounding error > 0.1%.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingError(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n uint256 remainder = mulmod(target, numerator, denominator);\n if (remainder == 0) {\n return false; // No rounding error.\n }\n\n uint256 errPercentageTimes1000000 = safeDiv(\n safeMul(remainder, 1000000),\n safeMul(numerator, target)\n );\n isError = errPercentageTimes1000000 > 1000;\n return isError;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibOrder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./LibEIP712.sol\";\n\n\ncontract LibOrder is\n LibEIP712\n{\n\n // Hash for the EIP712 Order Schema\n bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"Order(\",\n \"address makerAddress,\",\n \"address takerAddress,\",\n \"address feeRecipientAddress,\",\n \"address senderAddress,\",\n \"uint256 makerAssetAmount,\",\n \"uint256 takerAssetAmount,\",\n \"uint256 makerFee,\",\n \"uint256 takerFee,\",\n \"uint256 expirationTimeSeconds,\",\n \"uint256 salt,\",\n \"bytes makerAssetData,\",\n \"bytes takerAssetData\",\n \")\"\n ));\n\n // A valid order remains fillable until it is expired, fully filled, or cancelled.\n // An order's state is unaffected by external factors, like account balances.\n enum OrderStatus {\n INVALID, // Default value\n INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount\n INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount\n FILLABLE, // Order is fillable\n EXPIRED, // Order has already expired\n FULLY_FILLED, // Order is fully filled\n CANCELLED // Order has been cancelled\n }\n\n // solhint-disable max-line-length\n struct Order {\n address makerAddress; // Address that created the order. \n address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order. \n address feeRecipientAddress; // Address that will recieve fees when order is filled. \n address senderAddress; // Address that is allowed to call Exchange contract methods that affect this order. If set to 0, any address is allowed to call these methods.\n uint256 makerAssetAmount; // Amount of makerAsset being offered by maker. Must be greater than 0. \n uint256 takerAssetAmount; // Amount of takerAsset being bid on by maker. Must be greater than 0. \n uint256 makerFee; // Amount of ZRX paid to feeRecipient by maker when order is filled. If set to 0, no transfer of ZRX from maker to feeRecipient will be attempted.\n uint256 takerFee; // Amount of ZRX paid to feeRecipient by taker when order is filled. If set to 0, no transfer of ZRX from taker to feeRecipient will be attempted.\n uint256 expirationTimeSeconds; // Timestamp in seconds at which order expires. \n uint256 salt; // Arbitrary number to facilitate uniqueness of the order's hash. \n bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.\n bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.\n }\n // solhint-enable max-line-length\n\n struct OrderInfo {\n uint8 orderStatus; // Status that describes order's validity and fillability.\n bytes32 orderHash; // EIP712 hash of the order (see LibOrder.getOrderHash).\n uint256 orderTakerAssetFilledAmount; // Amount of order that has already been filled.\n }\n\n /// @dev Calculates Keccak-256 hash of the order.\n /// @param order The order structure.\n /// @return Keccak-256 EIP712 hash of the order.\n function getOrderHash(Order memory order)\n internal\n view\n returns (bytes32 orderHash)\n {\n orderHash = hashEIP712Message(hashOrder(order));\n return orderHash;\n }\n\n /// @dev Calculates EIP712 hash of the order.\n /// @param order The order structure.\n /// @return EIP712 hash of the order.\n function hashOrder(Order memory order)\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ORDER_SCHEMA_HASH;\n bytes32 makerAssetDataHash = keccak256(order.makerAssetData);\n bytes32 takerAssetDataHash = keccak256(order.takerAssetData);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ORDER_SCHEMA_HASH,\n // bytes32(order.makerAddress),\n // bytes32(order.takerAddress),\n // bytes32(order.feeRecipientAddress),\n // bytes32(order.senderAddress),\n // order.makerAssetAmount,\n // order.takerAssetAmount,\n // order.makerFee,\n // order.takerFee,\n // order.expirationTimeSeconds,\n // order.salt,\n // keccak256(order.makerAssetData),\n // keccak256(order.takerAssetData)\n // ));\n\n assembly {\n // Calculate memory addresses that will be swapped out before hashing\n let pos1 := sub(order, 32)\n let pos2 := add(order, 320)\n let pos3 := add(order, 352)\n\n // Backup\n let temp1 := mload(pos1)\n let temp2 := mload(pos2)\n let temp3 := mload(pos3)\n \n // Hash in place\n mstore(pos1, schemaHash)\n mstore(pos2, makerAssetDataHash)\n mstore(pos3, takerAssetDataHash)\n result := keccak256(pos1, 416)\n \n // Restore\n mstore(pos1, temp1)\n mstore(pos2, temp2)\n mstore(pos3, temp3)\n }\n return result;\n }\n}\n", - "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssetProxyDispatcher.sol\";\n\n\ncontract MAssetProxyDispatcher is\n IAssetProxyDispatcher\n{\n\n // Logs registration of new asset proxy\n event AssetProxyRegistered(\n bytes4 id, // Id of new registered AssetProxy.\n address assetProxy // Address of new registered AssetProxy.\n );\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal;\n}\n", - "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IExchangeCore.sol\";\n\n\ncontract MExchangeCore is\n IExchangeCore\n{\n // Fill event is emitted whenever an order is filled.\n event Fill(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that received fees.\n address takerAddress, // Address that filled the order.\n address senderAddress, // Address that called the Exchange contract (msg.sender).\n uint256 makerAssetFilledAmount, // Amount of makerAsset sold by maker and bought by taker. \n uint256 takerAssetFilledAmount, // Amount of takerAsset sold by taker and bought by maker.\n uint256 makerFeePaid, // Amount of ZRX paid to feeRecipient by maker.\n uint256 takerFeePaid, // Amount of ZRX paid to feeRecipient by taker.\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // Cancel event is emitted whenever an individual order is cancelled.\n event Cancel(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that would have recieved fees if order was filled. \n address senderAddress, // Address that called the Exchange contract (msg.sender).\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // CancelUpTo event is emitted whenever `cancelOrdersUpTo` is executed succesfully.\n event CancelUpTo(\n address indexed makerAddress, // Orders cancelled must have been created by this address.\n address indexed senderAddress, // Orders cancelled must have a `senderAddress` equal to this address.\n uint256 orderEpoch // Orders with specified makerAddress and senderAddress with a salt less than this value are considered cancelled.\n );\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function updateFilledState(\n LibOrder.Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n LibFillResults.FillResults memory fillResults\n )\n internal;\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n LibOrder.Order memory order,\n bytes32 orderHash\n )\n internal;\n\n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo Status, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param signature Proof that the orders was created by its maker.\n function assertValidFill(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n address takerAddress,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n bytes memory signature\n )\n internal\n view;\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo\n )\n internal\n view;\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n LibOrder.Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.FillResults memory fillResults);\n\n}\n", - "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IMatchOrders.sol\";\n\n\ncontract MMatchOrders is\n IMatchOrders\n{\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure;\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n\n}\n", - "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/ISignatureValidator.sol\";\n\n\ncontract MSignatureValidator is\n ISignatureValidator\n{\n event SignatureValidatorApproval(\n address indexed signerAddress, // Address that approves or disapproves a contract to verify signatures.\n address indexed validatorAddress, // Address of signature validator contract.\n bool approved // Approval or disapproval of validator contract.\n );\n\n // Allowed signature types.\n enum SignatureType {\n Illegal, // 0x00, default value\n Invalid, // 0x01\n EIP712, // 0x02\n EthSign, // 0x03\n Caller, // 0x04\n Wallet, // 0x05\n Validator, // 0x06\n PreSigned, // 0x07\n Trezor, // 0x08\n NSignatureTypes // 0x09, number of signature types. Always leave at end.\n }\n}\n", - "2.0.0/protocol/Exchange/mixins/MTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"../interfaces/ITransactions.sol\";\n\n\ncontract MTransactions is\n ITransactions\n{\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address);\n}\n", - "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/MintableERC20Token.sol\";\n\n\ncontract DummyERC20Token is \n Ownable,\n MintableERC20Token\n{\n string public name;\n string public symbol;\n uint256 public decimals;\n uint256 public constant MAX_MINT_AMOUNT = 10000000000000000000000;\n\n constructor (\n string _name,\n string _symbol,\n uint256 _decimals,\n uint256 _totalSupply\n )\n public\n {\n name = _name;\n symbol = _symbol;\n decimals = _decimals;\n _totalSupply = _totalSupply;\n balances[msg.sender] = _totalSupply;\n }\n\n /// @dev Sets the balance of target address\n /// @param _target Address or which balance will be updated\n /// @param _value New balance of target address\n function setBalance(address _target, uint256 _value)\n external\n onlyOwner\n {\n uint256 currBalance = balances[_target];\n if (_value < currBalance) {\n _totalSupply = safeSub(_totalSupply, safeSub(currBalance, _value));\n } else {\n _totalSupply = safeAdd(_totalSupply, safeSub(_value, currBalance));\n }\n balances[_target] = _value;\n }\n\n /// @dev Mints new tokens for sender\n /// @param _value Amount of tokens to mint\n function mint(uint256 _value)\n external\n {\n require(\n _value <= MAX_MINT_AMOUNT,\n \"VALUE_TOO_LARGE\"\n );\n\n _mint(msg.sender, _value);\n }\n}\n", - "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../tokens/ERC721Token/MintableERC721Token.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract DummyERC721Token is\n Ownable,\n MintableERC721Token\n{\n string public name;\n string public symbol;\n\n constructor (\n string _name,\n string _symbol\n )\n public\n {\n name = _name;\n symbol = _symbol;\n }\n\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function mint(address _to, uint256 _tokenId)\n external\n {\n _mint(_to, _tokenId);\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist or not called by contract owner\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function burn(address _owner, uint256 _tokenId)\n external\n onlyOwner\n {\n _burn(_owner, _tokenId);\n }\n}\n", - "2.0.0/tokens/ERC20Token/ERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC20Token.sol\";\n\n\ncontract ERC20Token is\n IERC20Token\n{\n\n mapping (address => uint256) internal balances;\n mapping (address => mapping (address => uint256)) internal allowed;\n\n uint256 internal _totalSupply;\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool)\n {\n require(\n balances[msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[msg.sender] -= _value;\n balances[_to] += _value;\n\n emit Transfer(\n msg.sender,\n _to,\n _value\n );\n\n return true;\n }\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowed[_from][msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n allowed[_from][msg.sender] -= _value;\n \n emit Transfer(\n _from,\n _to,\n _value\n );\n \n return true;\n }\n\n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool)\n {\n allowed[msg.sender][_spender] = _value;\n emit Approval(\n msg.sender,\n _spender,\n _value\n );\n return true;\n }\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256)\n {\n return _totalSupply;\n }\n\n /// @dev Query the balance of owner\n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n return balances[_owner];\n }\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256)\n {\n return allowed[_owner][_spender];\n }\n}\n", - "2.0.0/tokens/ERC20Token/IERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n \n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n \n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", - "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/SafeMath/SafeMath.sol\";\nimport \"./UnlimitedAllowanceERC20Token.sol\";\n\n\ncontract MintableERC20Token is \n SafeMath,\n UnlimitedAllowanceERC20Token\n{\n\n /// @dev Mints new tokens\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _value Amount of tokens to mint\n function _mint(address _to, uint256 _value)\n internal\n {\n balances[_to] = safeAdd(_value, balances[_to]);\n _totalSupply = safeAdd(_totalSupply, _value);\n\n emit Transfer(\n address(0),\n _to,\n _value\n );\n }\n\n /// @dev Mints new tokens\n /// @param _owner Owner of tokens that will be burned\n /// @param _value Amount of tokens to burn\n function _burn(address _owner, uint256 _value)\n internal\n {\n balances[_owner] = safeSub(balances[_owner], _value);\n _totalSupply = safeSub(_totalSupply, _value);\n\n emit Transfer(\n _owner,\n address(0),\n _value\n );\n }\n}\n", - "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/ERC20Token.sol\";\n\n\ncontract UnlimitedAllowanceERC20Token is\n ERC20Token\n{\n\n uint256 constant internal MAX_UINT = 2**256 - 1;\n\n /// @dev ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited allowance. See https://github.com/ethereum/EIPs/issues/717\n /// @param _from Address to transfer from.\n /// @param _to Address to transfer to.\n /// @param _value Amount to transfer.\n /// @return Success of transfer.\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n uint256 allowance = allowed[_from][msg.sender];\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowance >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n if (allowance < MAX_UINT) {\n allowed[_from][msg.sender] -= _value;\n }\n\n emit Transfer(\n _from,\n _to,\n _value\n );\n\n return true;\n }\n}\n", - "2.0.0/tokens/ERC721Token/ERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC721Token.sol\";\nimport \"./IERC721Receiver.sol\";\nimport \"../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract ERC721Token is\n IERC721Token,\n SafeMath\n{\n // Function selector for ERC721Receiver.onERC721Received\n // 0x150b7a02\n bytes4 constant internal ERC721_RECEIVED = bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"));\n\n // Mapping of tokenId => owner\n mapping (uint256 => address) internal owners;\n\n // Mapping of tokenId => approved address\n mapping (uint256 => address) internal approvals;\n\n // Mapping of owner => number of tokens owned\n mapping (address => uint256) internal balances;\n\n // Mapping of owner => operator => approved\n mapping (address => mapping (address => bool)) internal operatorApprovals;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n _data\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n \"\"\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external\n {\n address owner = ownerOf(_tokenId);\n require(\n msg.sender == owner || isApprovedForAll(owner, msg.sender),\n \"ERC721_INVALID_SENDER\"\n );\n\n approvals[_tokenId] = _approved;\n emit Approval(\n owner,\n _approved,\n _tokenId\n );\n }\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external\n {\n operatorApprovals[msg.sender][_operator] = _approved;\n emit ApprovalForAll(\n msg.sender,\n _operator,\n _approved\n );\n }\n \n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return balances[_owner];\n }\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = ownerOf(_tokenId);\n require(\n _from == owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n address spender = msg.sender;\n address approvedAddress = getApproved(_tokenId);\n require(\n spender == owner ||\n isApprovedForAll(owner, spender) ||\n approvedAddress == spender,\n \"ERC721_INVALID_SPENDER\"\n );\n\n if (approvedAddress != address(0)) {\n approvals[_tokenId] = address(0);\n }\n\n owners[_tokenId] = _to;\n balances[_from] = safeSub(balances[_from], 1);\n balances[_to] = safeAdd(balances[_to], 1);\n \n emit Transfer(\n _from,\n _to,\n _tokenId\n );\n }\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address)\n {\n address owner = owners[_tokenId];\n require(\n owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return owner;\n }\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId)\n public\n view\n returns (address)\n {\n return approvals[_tokenId];\n }\n\n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool)\n {\n return operatorApprovals[_owner][_operator];\n }\n}\n", - "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Receiver {\n\n /// @notice Handle the receipt of an NFT\n /// @dev The ERC721 smart contract calls this function on the recipient\n /// after a `transfer`. This function MAY throw to revert and reject the\n /// transfer. Return of other than the magic value MUST result in the\n /// transaction being reverted.\n /// Note: the contract address is always the message sender.\n /// @param _operator The address which called `safeTransferFrom` function\n /// @param _from The address which previously owned the token\n /// @param _tokenId The NFT identifier which is being transferred\n /// @param _data Additional data with no specified format\n /// @return `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`\n /// unless throwing\n function onERC721Received(\n address _operator,\n address _from,\n uint256 _tokenId,\n bytes _data\n )\n external\n returns (bytes4);\n}\n", - "2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Token {\n\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(\n address indexed _owner,\n address indexed _approved,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(\n address indexed _owner,\n address indexed _operator,\n bool _approved\n );\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// perator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external;\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public;\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address);\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) \n public\n view\n returns (address);\n \n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool);\n}\n", - "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./ERC721Token.sol\";\n\n\ncontract MintableERC721Token is\n ERC721Token\n{\n\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function _mint(address _to, uint256 _tokenId)\n internal\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == address(0),\n \"ERC721_OWNER_ALREADY_EXISTS\"\n );\n\n owners[_tokenId] = _to;\n balances[_to] = safeAdd(balances[_to], 1);\n\n emit Transfer(\n address(0),\n _to,\n _tokenId\n );\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function _burn(address _owner, uint256 _tokenId)\n internal\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == _owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n owners[_tokenId] = address(0);\n balances[_owner] = safeSub(balances[_owner], 1);\n\n emit Transfer(\n _owner,\n address(0),\n _tokenId\n );\n }\n}\n", - "2.0.0/tokens/EtherToken/IEtherToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/IERC20Token.sol\";\n\n\ncontract IEtherToken is\n IERC20Token\n{\n function deposit()\n public\n payable;\n \n function withdraw(uint256 amount)\n public;\n}\n", - "2.0.0/utils/LibBytes/LibBytes.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\nlibrary LibBytes {\n\n using LibBytes for bytes;\n\n /// @dev Gets the memory address for a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of byte array. This\n /// points to the header of the byte array which contains\n /// the length.\n function rawAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := input\n }\n return memoryAddress;\n }\n \n /// @dev Gets the memory address for the contents of a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of the contents of the byte array.\n function contentAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := add(input, 32)\n }\n return memoryAddress;\n }\n\n /// @dev Copies `length` bytes from memory location `source` to `dest`.\n /// @param dest memory address to copy bytes to.\n /// @param source memory address to copy bytes from.\n /// @param length number of bytes to copy.\n function memCopy(\n uint256 dest,\n uint256 source,\n uint256 length\n )\n internal\n pure\n {\n if (length < 32) {\n // Handle a partial word by reading destination and masking\n // off the bits we are interested in.\n // This correctly handles overlap, zero lengths and source == dest\n assembly {\n let mask := sub(exp(256, sub(32, length)), 1)\n let s := and(mload(source), not(mask))\n let d := and(mload(dest), mask)\n mstore(dest, or(s, d))\n }\n } else {\n // Skip the O(length) loop when source == dest.\n if (source == dest) {\n return;\n }\n\n // For large copies we copy whole words at a time. The final\n // word is aligned to the end of the range (instead of after the\n // previous) to handle partial words. So a copy will look like this:\n //\n // ####\n // ####\n // ####\n // ####\n //\n // We handle overlap in the source and destination range by\n // changing the copying direction. This prevents us from\n // overwriting parts of source that we still need to copy.\n //\n // This correctly handles source == dest\n //\n if (source > dest) {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because it\n // is easier to compare with in the loop, and these\n // are also the addresses we need for copying the\n // last bytes.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the last 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the last bytes in\n // source already due to overlap.\n let last := mload(sEnd)\n\n // Copy whole words front to back\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} lt(source, sEnd) {} {\n mstore(dest, mload(source))\n source := add(source, 32)\n dest := add(dest, 32)\n }\n \n // Write the last 32 bytes\n mstore(dEnd, last)\n }\n } else {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because those\n // are the starting points when copying a word at the end.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the first 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the first bytes in\n // source already due to overlap.\n let first := mload(source)\n\n // Copy whole words back to front\n // We use a signed comparisson here to allow dEnd to become\n // negative (happens when source and dest < 32). Valid\n // addresses in local memory will never be larger than\n // 2**255, so they can be safely re-interpreted as signed.\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} slt(dest, dEnd) {} {\n mstore(dEnd, mload(sEnd))\n sEnd := sub(sEnd, 32)\n dEnd := sub(dEnd, 32)\n }\n \n // Write the first 32 bytes\n mstore(dest, first)\n }\n }\n }\n }\n\n /// @dev Returns a slices from a byte array.\n /// @param b The byte array to take a slice from.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n function slice(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure and copy contents\n result = new bytes(to - from);\n memCopy(\n result.contentAddress(),\n b.contentAddress() + from,\n result.length);\n return result;\n }\n \n /// @dev Returns a slice from a byte array without preserving the input.\n /// @param b The byte array to take a slice from. Will be destroyed in the process.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n /// @dev When `from == 0`, the original array will match the slice. In other cases its state will be corrupted.\n function sliceDestructive(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure around [from, to) in-place.\n assembly {\n result := add(b, from)\n mstore(result, sub(to, from))\n }\n return result;\n }\n\n /// @dev Pops the last byte off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The byte that was popped off.\n function popLastByte(bytes memory b)\n internal\n pure\n returns (bytes1 result)\n {\n require(\n b.length > 0,\n \"GREATER_THAN_ZERO_LENGTH_REQUIRED\"\n );\n\n // Store last byte.\n result = b[b.length - 1];\n\n assembly {\n // Decrement length of byte array.\n let newLen := sub(mload(b), 1)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Pops the last 20 bytes off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The 20 byte address that was popped off.\n function popLast20Bytes(bytes memory b)\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= 20,\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Store last 20 bytes.\n result = readAddress(b, b.length - 20);\n\n assembly {\n // Subtract 20 from byte array length.\n let newLen := sub(mload(b), 20)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Tests equality of two byte arrays.\n /// @param lhs First byte array to compare.\n /// @param rhs Second byte array to compare.\n /// @return True if arrays are the same. False otherwise.\n function equals(\n bytes memory lhs,\n bytes memory rhs\n )\n internal\n pure\n returns (bool equal)\n {\n // Keccak gas cost is 30 + numWords * 6. This is a cheap way to compare.\n // We early exit on unequal lengths, but keccak would also correctly\n // handle this.\n return lhs.length == rhs.length && keccak256(lhs) == keccak256(rhs);\n }\n\n /// @dev Reads an address from a position in a byte array.\n /// @param b Byte array containing an address.\n /// @param index Index in byte array of address.\n /// @return address from byte array.\n function readAddress(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Read address from array memory\n assembly {\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 20-byte mask to obtain address\n result := and(mload(add(b, index)), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n return result;\n }\n\n /// @dev Writes an address into a specific position in a byte array.\n /// @param b Byte array to insert address into.\n /// @param index Index in byte array of address.\n /// @param input Address to put into byte array.\n function writeAddress(\n bytes memory b,\n uint256 index,\n address input\n )\n internal\n pure\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Store address into array memory\n assembly {\n // The address occupies 20 bytes and mstore stores 32 bytes.\n // First fetch the 32-byte word where we'll be storing the address, then\n // apply a mask so we have only the bytes in the word that the address will not occupy.\n // Then combine these bytes with the address and store the 32 bytes back to memory with mstore.\n\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 12-byte mask to obtain extra bytes occupying word of memory where we'll store the address\n let neighbors := and(\n mload(add(b, index)),\n 0xffffffffffffffffffffffff0000000000000000000000000000000000000000\n )\n \n // Make sure input address is clean.\n // (Solidity does not guarantee this)\n input := and(input, 0xffffffffffffffffffffffffffffffffffffffff)\n\n // Store the neighbors and address into memory\n mstore(add(b, index), xor(input, neighbors))\n }\n }\n\n /// @dev Reads a bytes32 value from a position in a byte array.\n /// @param b Byte array containing a bytes32 value.\n /// @param index Index in byte array of bytes32 value.\n /// @return bytes32 value from byte array.\n function readBytes32(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes32 result)\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n result := mload(add(b, index))\n }\n return result;\n }\n\n /// @dev Writes a bytes32 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes32 to put into byte array.\n function writeBytes32(\n bytes memory b,\n uint256 index,\n bytes32 input\n )\n internal\n pure\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n mstore(add(b, index), input)\n }\n }\n\n /// @dev Reads a uint256 value from a position in a byte array.\n /// @param b Byte array containing a uint256 value.\n /// @param index Index in byte array of uint256 value.\n /// @return uint256 value from byte array.\n function readUint256(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (uint256 result)\n {\n return uint256(readBytes32(b, index));\n }\n\n /// @dev Writes a uint256 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input uint256 to put into byte array.\n function writeUint256(\n bytes memory b,\n uint256 index,\n uint256 input\n )\n internal\n pure\n {\n writeBytes32(b, index, bytes32(input));\n }\n\n /// @dev Reads an unpadded bytes4 value from a position in a byte array.\n /// @param b Byte array containing a bytes4 value.\n /// @param index Index in byte array of bytes4 value.\n /// @return bytes4 value from byte array.\n function readBytes4(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes4 result)\n {\n require(\n b.length >= index + 4,\n \"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED\"\n );\n assembly {\n result := mload(add(b, 32))\n // Solidity does not require us to clean the trailing bytes.\n // We do it anyway\n result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)\n }\n return result;\n }\n\n /// @dev Reads nested bytes from a specific position.\n /// @dev NOTE: the returned value overlaps with the input value.\n /// Both should be treated as immutable.\n /// @param b Byte array containing nested bytes.\n /// @param index Index of nested bytes.\n /// @return result Nested bytes.\n function readBytesWithLength(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes memory result)\n {\n // Read length of nested bytes\n uint256 nestedBytesLength = readUint256(b, index);\n index += 32;\n\n // Assert length of is valid, given\n // length of nested bytes\n require(\n b.length >= index + nestedBytesLength,\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n \n // Return a pointer to the byte array as it exists inside `b`\n assembly {\n result := add(b, index)\n }\n return result;\n }\n\n /// @dev Inserts bytes at a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes to insert.\n function writeBytesWithLength(\n bytes memory b,\n uint256 index,\n bytes memory input\n )\n internal\n pure\n {\n // Assert length of is valid, given\n // length of input\n require(\n b.length >= index + 32 + input.length, // 32 bytes to store length\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n\n // Copy into \n memCopy(\n b.contentAddress() + index,\n input.rawAddress(), // includes length of \n input.length + 32 // +32 bytes to store length\n );\n }\n\n /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length.\n /// @param dest Byte array that will be overwritten with source bytes.\n /// @param source Byte array to copy onto dest bytes.\n function deepCopyBytes(\n bytes memory dest,\n bytes memory source\n )\n internal\n pure\n {\n uint256 sourceLen = source.length;\n // Dest length must be >= source length, or some bytes would not be copied.\n require(\n dest.length >= sourceLen,\n \"GREATER_OR_EQUAL_TO_SOURCE_BYTES_LENGTH_REQUIRED\"\n );\n memCopy(\n dest.contentAddress(),\n source.contentAddress(),\n sourceLen\n );\n }\n}\n", - "2.0.0/utils/Ownable/IOwnable.sol": "pragma solidity 0.4.24;\n\n/*\n * Ownable\n *\n * Base contract with an owner.\n * Provides onlyOwner modifier, which prevents function from running if it is called by anyone other than the owner.\n */\n\ncontract IOwnable {\n function transferOwnership(address newOwner)\n public;\n}\n", - "2.0.0/utils/Ownable/Ownable.sol": "pragma solidity 0.4.24;\n\n/*\n * Ownable\n *\n * Base contract with an owner.\n * Provides onlyOwner modifier, which prevents function from running if it is called by anyone other than the owner.\n */\n\nimport \"./IOwnable.sol\";\n\n\ncontract Ownable is IOwnable {\n address public owner;\n\n constructor ()\n public\n {\n owner = msg.sender;\n }\n\n modifier onlyOwner() {\n require(\n msg.sender == owner,\n \"ONLY_CONTRACT_OWNER\"\n );\n _;\n }\n\n function transferOwnership(address newOwner)\n public\n onlyOwner\n {\n if (newOwner != address(0)) {\n owner = newOwner;\n }\n }\n}\n", - "2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n function safeMul(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(\n c / a == b,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function safeDiv(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a / b;\n return c;\n }\n\n function safeSub(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n require(\n b <= a,\n \"UINT256_UNDERFLOW\"\n );\n return a - b;\n }\n\n function safeAdd(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a + b;\n require(\n c >= a,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function max64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n\n function max256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n}\n" - }, - "sourceTreeHashHex": "0x560b257f8a4e1420a4586d5ba0c40e74042ef5af0f53aad412951444ea710a7e", - "compiler": { - "name": "solc", - "version": "soljson-v0.4.24+commit.e67f0147.js", - "settings": { - "optimizer": { - "enabled": true, - "runs": 1000000 - }, - "outputSelection": { - "*": { - "*": [ - "abi", - "evm.bytecode.object", - "evm.bytecode.sourceMap", - "evm.deployedBytecode.object", - "evm.deployedBytecode.sourceMap" - ] - } - } - } - }, - "networks": {} -} \ No newline at end of file diff --git a/packages/migrations/artifacts/2.0.0-beta-testnet/IWallet.json b/packages/migrations/artifacts/2.0.0-beta-testnet/IWallet.json deleted file mode 100644 index df892d360..000000000 --- a/packages/migrations/artifacts/2.0.0-beta-testnet/IWallet.json +++ /dev/null @@ -1,316 +0,0 @@ -{ - "schemaVersion": "2.0.0", - "contractName": "IWallet", - "compilerOutput": { - "abi": [ - { - "constant": true, - "inputs": [ - { - "name": "hash", - "type": "bytes32" - }, - { - "name": "signature", - "type": "bytes" - } - ], - "name": "isValidSignature", - "outputs": [ - { - "name": "isValid", - "type": "bool" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - } - ], - "evm": { - "bytecode": { - "linkReferences": {}, - "object": "0x", - "opcodes": "", - "sourceMap": "" - }, - "deployedBytecode": { - "linkReferences": {}, - "object": "0x", - "opcodes": "", - "sourceMap": "" - } - } - }, - "sources": { - "2.0.0/extensions/Forwarder/Forwarder.sol": { - "id": 0 - }, - "2.0.0/extensions/Forwarder/MixinAssets.sol": { - "id": 1 - }, - "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": { - "id": 2 - }, - "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": { - "id": 3 - }, - "2.0.0/extensions/Forwarder/MixinWeth.sol": { - "id": 4 - }, - "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": { - "id": 5 - }, - "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": { - "id": 6 - }, - "2.0.0/extensions/Forwarder/libs/LibConstants.sol": { - "id": 7 - }, - "2.0.0/extensions/Forwarder/mixins/MAssets.sol": { - "id": 8 - }, - "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": { - "id": 9 - }, - "2.0.0/extensions/Forwarder/mixins/MWeth.sol": { - "id": 10 - }, - "2.0.0/extensions/OrderValidator/OrderValidator.sol": { - "id": 11 - }, - "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": { - "id": 12 - }, - "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": { - "id": 13 - }, - "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": { - "id": 14 - }, - "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": { - "id": 15 - }, - "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": { - "id": 16 - }, - "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": { - "id": 17 - }, - "2.0.0/protocol/Exchange/Exchange.sol": { - "id": 18 - }, - "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": { - "id": 19 - }, - "2.0.0/protocol/Exchange/MixinExchangeCore.sol": { - "id": 20 - }, - "2.0.0/protocol/Exchange/MixinMatchOrders.sol": { - "id": 21 - }, - "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": { - "id": 22 - }, - "2.0.0/protocol/Exchange/MixinTransactions.sol": { - "id": 23 - }, - "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": { - "id": 24 - }, - "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": { - "id": 25 - }, - "2.0.0/protocol/Exchange/interfaces/IExchange.sol": { - "id": 26 - }, - "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": { - "id": 27 - }, - "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": { - "id": 28 - }, - "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": { - "id": 29 - }, - "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": { - "id": 30 - }, - "2.0.0/protocol/Exchange/interfaces/IValidator.sol": { - "id": 31 - }, - "2.0.0/protocol/Exchange/interfaces/IWallet.sol": { - "id": 32 - }, - "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": { - "id": 33 - }, - "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": { - "id": 34 - }, - "2.0.0/protocol/Exchange/libs/LibConstants.sol": { - "id": 35 - }, - "2.0.0/protocol/Exchange/libs/LibEIP712.sol": { - "id": 36 - }, - "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": { - "id": 37 - }, - "2.0.0/protocol/Exchange/libs/LibFillResults.sol": { - "id": 38 - }, - "2.0.0/protocol/Exchange/libs/LibMath.sol": { - "id": 39 - }, - "2.0.0/protocol/Exchange/libs/LibOrder.sol": { - "id": 40 - }, - "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": { - "id": 41 - }, - "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": { - "id": 42 - }, - "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": { - "id": 43 - }, - "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": { - "id": 44 - }, - "2.0.0/protocol/Exchange/mixins/MTransactions.sol": { - "id": 45 - }, - "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": { - "id": 46 - }, - "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": { - "id": 47 - }, - "2.0.0/tokens/ERC20Token/ERC20Token.sol": { - "id": 48 - }, - "2.0.0/tokens/ERC20Token/IERC20Token.sol": { - "id": 49 - }, - "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": { - "id": 50 - }, - "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": { - "id": 51 - }, - "2.0.0/tokens/ERC721Token/ERC721Token.sol": { - "id": 52 - }, - "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": { - "id": 53 - }, - "2.0.0/tokens/ERC721Token/IERC721Token.sol": { - "id": 54 - }, - "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": { - "id": 55 - }, - "2.0.0/tokens/EtherToken/IEtherToken.sol": { - "id": 56 - }, - "2.0.0/utils/LibBytes/LibBytes.sol": { - "id": 57 - }, - "2.0.0/utils/Ownable/IOwnable.sol": { - "id": 58 - }, - "2.0.0/utils/Ownable/Ownable.sol": { - "id": 59 - }, - "2.0.0/utils/SafeMath/SafeMath.sol": { - "id": 60 - } - }, - "sourceCodes": { - "2.0.0/extensions/Forwarder/Forwarder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinWeth.sol\";\nimport \"./MixinForwarderCore.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinAssets.sol\";\nimport \"./MixinExchangeWrapper.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Forwarder is\n LibConstants,\n MixinWeth,\n MixinAssets,\n MixinExchangeWrapper,\n MixinForwarderCore\n{\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n LibConstants(\n _exchange,\n _zrxAssetData,\n _wethAssetData\n )\n MixinForwarderCore()\n {}\n}\n", - "2.0.0/extensions/Forwarder/MixinAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MAssets.sol\";\n\n\ncontract MixinAssets is\n Ownable,\n LibConstants,\n MAssets\n{\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256(\"transfer(address,uint256)\"));\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external\n onlyOwner\n {\n transferAssetToSender(assetData, amount);\n }\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n bytes4 proxyId = assetData.readBytes4(0);\n\n if (proxyId == ERC20_DATA_ID) {\n transferERC20Token(assetData, amount);\n } else if (proxyId == ERC721_DATA_ID) {\n transferERC721Token(assetData, amount);\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n }\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n address token = assetData.readAddress(16);\n\n // Transfer tokens.\n // We do a raw call so we can check the success separate\n // from the return data.\n bool success = token.call(abi.encodeWithSelector(\n ERC20_TRANSFER_SELECTOR,\n msg.sender,\n amount\n ));\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n \n // Check return data.\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // value that evaluates to true.\n assembly {\n if returndatasize {\n success := 0\n if eq(returndatasize, 32) {\n // First 64 bytes of memory are reserved scratch space\n returndatacopy(0, 0, 32)\n success := mload(0)\n }\n }\n }\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n }\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n require(\n amount == 1,\n \"INVALID_AMOUNT\"\n );\n // Decode asset data.\n address token = assetData.readAddress(16);\n uint256 tokenId = assetData.readUint256(36);\n\n // Perform transfer.\n IERC721Token(token).transferFrom(\n address(this),\n msg.sender,\n tokenId\n );\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"../../protocol/Exchange/libs/LibAbiEncoder.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinExchangeWrapper is\n LibAbiEncoder,\n LibFillResults,\n LibMath,\n LibConstants,\n MExchangeWrapper\n{\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n address exchange = address(EXCHANGE);\n\n // Call `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := call(\n gas, // forward all gas, TODO: look into gas consumption of assert/throw\n exchange, // call address of Exchange contract\n 0, // transfer 0 wei\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n switch success\n case 0 {\n mstore(fillResults, 0)\n mstore(add(fillResults, 32), 0)\n mstore(add(fillResults, 64), 0)\n mstore(add(fillResults, 96), 0)\n }\n case 1 {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of WETH to sell\n uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of WETH\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmount(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount;\n if (makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n\n require(\n makerAssetFilledAmount >= makerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n // Do nothing if zrxBuyAmount == 0\n if (zrxBuyAmount == 0) {\n return totalFillResults;\n }\n\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n uint256 zrxPurchased = 0;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // All of these are ZRX/WETH, so we can drop the respective assetData from calldata.\n orders[i].makerAssetData = zrxAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of ZRX to buy.\n uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased);\n\n // Convert the remaining amount of ZRX to buy into remaining amount\n // of WETH to sell, assuming entire amount can be sold in the current order.\n uint256 remainingWethSellAmount = getPartialAmount(\n orders[i].takerAssetAmount,\n safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees \n remainingZrxBuyAmount\n );\n\n // Attempt to sell the remaining amount of WETH.\n FillResults memory singleFillResult = fillOrderNoThrow(\n orders[i],\n safeAdd(remainingWethSellAmount, 1), // we add 1 wei to the fill amount to make up for rounding errors\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker.\n addFillResults(totalFillResults, singleFillResult);\n zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid);\n\n // Stop execution if the entire amount of ZRX has been bought.\n if (zrxPurchased >= zrxBuyAmount) {\n break;\n }\n }\n\n require(\n zrxPurchased >= zrxBuyAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\nimport \"./mixins/MAssets.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"./interfaces/IForwarderCore.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinForwarderCore is\n LibFillResults,\n LibMath,\n LibConstants,\n MWeth,\n MAssets,\n MExchangeWrapper,\n IForwarderCore\n{\n\n using LibBytes for bytes;\n\n /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf.\n constructor ()\n public\n {\n address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID);\n if (proxyAddress != address(0)) {\n ETHER_TOKEN.approve(proxyAddress, MAX_UINT);\n ZRX_TOKEN.approve(proxyAddress, MAX_UINT);\n }\n }\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 wethSellAmount;\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // Calculate amount of WETH that won't be spent on ETH fees.\n wethSellAmount = getPartialAmount(\n PERCENTAGE_DENOMINATOR,\n safeAdd(PERCENTAGE_DENOMINATOR, feePercentage),\n msg.value\n );\n // Market sell available WETH.\n // ZRX fees are paid with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // 5% of WETH is reserved for filling feeOrders and paying feeRecipient.\n wethSellAmount = getPartialAmount(\n MAX_WETH_FILL_PERCENTAGE,\n PERCENTAGE_DENOMINATOR,\n msg.value\n );\n // Market sell 95% of WETH.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // If the makerAsset is ZRX, it is not necessary to pay fees out of this\n // contracts's ZRX balance because fees are factored into the price of the order.\n orderFillResults = marketBuyExactZrxWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // Attemp to purchase desired amount of makerAsset.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketBuyExactAmountWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\n\n\ncontract MixinWeth is\n LibMath,\n LibConstants,\n MWeth\n{\n\n /// @dev Default payabale function, this allows us to withdraw WETH\n function ()\n public\n payable\n {\n require(\n msg.sender == address(ETHER_TOKEN),\n \"DEFAULT_FUNCTION_WETH_CONTRACT_ONLY\"\n );\n }\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal\n {\n require(\n msg.value > 0,\n \"INVALID_MSG_VALUE\"\n );\n ETHER_TOKEN.deposit.value(msg.value)();\n }\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal\n {\n // Ensure feePercentage is less than 5%.\n require(\n feePercentage <= MAX_FEE_PERCENTAGE,\n \"FEE_PERCENTAGE_TOO_LARGE\"\n );\n\n // Ensure that no extra WETH owned by this contract has been sold.\n uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx);\n require(\n wethSold <= msg.value,\n \"OVERSOLD_WETH\"\n );\n\n // Calculate amount of WETH that hasn't been sold.\n uint256 wethRemaining = safeSub(msg.value, wethSold);\n\n // Calculate ETH fee to pay to feeRecipient.\n uint256 ethFee = getPartialAmount(\n feePercentage,\n PERCENTAGE_DENOMINATOR,\n wethSoldExcludingFeeOrders\n );\n\n // Ensure fee is less than amount of WETH remaining.\n require(\n ethFee <= wethRemaining,\n \"INSUFFICIENT_ETH_REMAINING\"\n );\n \n // Do nothing if no WETH remaining\n if (wethRemaining > 0) {\n // Convert remaining WETH to ETH\n ETHER_TOKEN.withdraw(wethRemaining);\n\n // Pay ETH to feeRecipient\n if (ethFee > 0) {\n feeRecipient.transfer(ethFee);\n }\n\n // Refund remaining ETH to msg.sender.\n uint256 ethRefund = safeSub(wethRemaining, ethFee);\n if (ethRefund > 0) {\n msg.sender.transfer(ethRefund);\n }\n }\n }\n}\n", - "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssets {\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external;\n}\n", - "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract IForwarderCore {\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n}\n", - "2.0.0/extensions/Forwarder/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/LibBytes/LibBytes.sol\";\nimport \"../../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../../tokens/EtherToken/IEtherToken.sol\";\nimport \"../../../tokens/ERC20Token/IERC20Token.sol\";\n\n\ncontract LibConstants {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n uint256 constant internal MAX_UINT = 2**256 - 1;\n uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; \n uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5%\n uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95%\n \n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n IEtherToken internal ETHER_TOKEN;\n IERC20Token internal ZRX_TOKEN;\n bytes internal ZRX_ASSET_DATA;\n bytes internal WETH_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n WETH_ASSET_DATA = _wethAssetData;\n\n address etherToken = _wethAssetData.readAddress(16);\n address zrxToken = _zrxAssetData.readAddress(16);\n ETHER_TOKEN = IEtherToken(etherToken);\n ZRX_TOKEN = IERC20Token(zrxToken);\n }\n}\n", - "2.0.0/extensions/Forwarder/mixins/MAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssets.sol\";\n\n\ncontract MAssets is\n IAssets\n{\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n}\n", - "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract MExchangeWrapper {\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n}\n", - "2.0.0/extensions/Forwarder/mixins/MWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract MWeth {\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal;\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal;\n}\n", - "2.0.0/extensions/OrderValidator/OrderValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract OrderValidator {\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n using LibBytes for bytes;\n\n struct TraderInfo {\n uint256 makerBalance; // Maker's balance of makerAsset\n uint256 makerAllowance; // Maker's allowance to corresponding AssetProxy\n uint256 takerBalance; // Taker's balance of takerAsset\n uint256 takerAllowance; // Taker's allowance to corresponding AssetProxy\n uint256 makerZrxBalance; // Maker's balance of ZRX\n uint256 makerZrxAllowance; // Maker's allowance of ZRX to ERC20Proxy\n uint256 takerZrxBalance; // Taker's balance of ZRX\n uint256 takerZrxAllowance; // Taker's allowance of ZRX to ERC20Proxy\n }\n\n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n bytes internal ZRX_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (address _exchange, bytes memory _zrxAssetData)\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n }\n\n /// @dev Fetches information for order and maker/taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return OrderInfo and TraderInfo instances for given order.\n function getOrderAndTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo, TraderInfo memory traderInfo)\n {\n orderInfo = EXCHANGE.getOrderInfo(order);\n traderInfo = getTraderInfo(order, takerAddress);\n return (orderInfo, traderInfo);\n }\n\n /// @dev Fetches information for all passed in orders and the makers/takers of each order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Arrays of OrderInfo and TraderInfo instances that correspond to each order.\n function getOrdersAndTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (LibOrder.OrderInfo[] memory ordersInfo, TraderInfo[] memory tradersInfo)\n {\n ordersInfo = EXCHANGE.getOrdersInfo(orders);\n tradersInfo = getTradersInfo(orders, takerAddresses);\n return (ordersInfo, tradersInfo);\n }\n\n /// @dev Fetches balance and allowances for maker and taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return Balances and allowances of maker and taker of order.\n function getTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (TraderInfo memory traderInfo)\n {\n (traderInfo.makerBalance, traderInfo.makerAllowance) = getBalanceAndAllowance(order.makerAddress, order.makerAssetData);\n (traderInfo.takerBalance, traderInfo.takerAllowance) = getBalanceAndAllowance(takerAddress, order.takerAssetData);\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n (traderInfo.makerZrxBalance, traderInfo.makerZrxAllowance) = getBalanceAndAllowance(order.makerAddress, zrxAssetData);\n (traderInfo.takerZrxBalance, traderInfo.takerZrxAllowance) = getBalanceAndAllowance(takerAddress, zrxAssetData);\n return traderInfo;\n }\n\n /// @dev Fetches balances and allowances of maker and taker for each provided order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Array of balances and allowances for maker and taker of each order.\n function getTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (TraderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n TraderInfo[] memory tradersInfo = new TraderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n tradersInfo[i] = getTraderInfo(orders[i], takerAddresses[i]);\n }\n return tradersInfo;\n }\n\n /// @dev Fetches token balances and allowances of an address to given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Encoded data that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balance of asset and allowance set to given proxy of asset.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalanceAndAllowance(address target, bytes memory assetData)\n public\n view\n returns (uint256 balance, uint256 allowance)\n {\n bytes4 assetProxyId = assetData.readBytes4(0);\n address token = assetData.readAddress(16);\n address assetProxy = EXCHANGE.getAssetProxy(assetProxyId);\n\n if (assetProxyId == ERC20_DATA_ID) {\n // Query balance\n balance = IERC20Token(token).balanceOf(target);\n\n // Query allowance\n allowance = IERC20Token(token).allowance(target, assetProxy);\n } else if (assetProxyId == ERC721_DATA_ID) {\n uint256 tokenId = assetData.readUint256(36);\n\n // Query owner of tokenId\n address owner = getERC721TokenOwner(token, tokenId);\n\n // Set balance to 1 if tokenId is owned by target\n balance = target == owner ? 1 : 0;\n\n // Check if ERC721Proxy is approved to spend tokenId\n bool isApproved = IERC721Token(token).isApprovedForAll(target, assetProxy) || IERC721Token(token).getApproved(tokenId) == assetProxy;\n \n // Set alowance to 1 if ERC721Proxy is approved to spend tokenId\n allowance = isApproved ? 1 : 0;\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n return (balance, allowance);\n }\n\n /// @dev Fetches token balances and allowances of an address for each given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Array of encoded byte arrays that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balances and allowances of assets.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalancesAndAllowances(address target, bytes[] memory assetData)\n public\n view\n returns (uint256[] memory, uint256[] memory)\n {\n uint256 length = assetData.length;\n uint256[] memory balances = new uint256[](length);\n uint256[] memory allowances = new uint256[](length);\n for (uint256 i = 0; i != length; i++) {\n (balances[i], allowances[i]) = getBalanceAndAllowance(target, assetData[i]);\n }\n return (balances, allowances);\n }\n\n /// @dev Calls `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token.\n /// @param token Address of ERC721 token.\n /// @param tokenId The identifier for the specific NFT.\n /// @return Owner of tokenId or null address if unowned.\n function getERC721TokenOwner(address token, uint256 tokenId)\n public\n view\n returns (address owner)\n {\n assembly {\n // load free memory pointer\n let cdStart := mload(64)\n\n // bytes4(keccak256(ownerOf(uint256))) = 0x6352211e\n mstore(cdStart, 0x6352211e00000000000000000000000000000000000000000000000000000000)\n mstore(add(cdStart, 4), tokenId)\n\n // staticcall `ownerOf(tokenId)`\n // `ownerOf` will revert if tokenId is not owned\n let success := staticcall(\n gas, // forward all gas\n token, // call token contract\n cdStart, // start of calldata\n 36, // length of input is 36 bytes\n cdStart, // write output over input\n 32 // size of output is 32 bytes\n )\n\n // Success implies that tokenId is owned\n // Copy owner from return data if successful\n if success {\n owner := mload(cdStart)\n } \n }\n\n // Owner initialized to address(0), no need to modify if call is unsuccessful\n return owner;\n }\n}\n", - "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC20Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n \n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n \n /////// Token contract address ///////\n // The token address is found as follows:\n // * It is stored at offset 4 in `assetData` contents.\n // * This is stored at offset 32 from `assetData`.\n // * The offset to `assetData` from Params is stored at offset\n // 4 in calldata.\n // * The offset of Params in calldata is 4.\n // So we read location 4 and add 32 + 4 + 4 to it.\n let token := calldataload(add(calldataload(4), 40))\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from`, `to` and `amount` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 96)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output over input\n 32 // output size should be 32 bytes\n )\n\n /////// Check return data. ///////\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // nonzero 32 bytes value.\n // So the transfer succeeded if the call succeeded and either\n // returned nothing, or returned a non-zero 32 byte value. \n success := and(success, or(\n iszero(returndatasize),\n and(\n eq(returndatasize, 32),\n gt(mload(0), 0)\n )\n ))\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", - "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC721Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 2 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n // | | 36 | | 2. tokenId |\n \n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. tokenId |\n\n // There exists only 1 of each token.\n // require(amount == 1, \"INVALID_AMOUNT\")\n if sub(calldataload(100), 1) {\n // Revert with `Error(\"INVALID_AMOUNT\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from` and `to` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 64)\n\n // Copy `tokenId` field from our own calldata to the new calldata.\n let assetDataOffset := calldataload(4)\n calldatacopy(68, add(assetDataOffset, 72), 32)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let token := calldataload(add(assetDataOffset, 40))\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output to null\n 0 // output size is 0 bytes\n )\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", - "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAuthorizable.sol\";\n\n\ncontract MixinAuthorizable is\n Ownable,\n MAuthorizable\n{\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized {\n require(\n authorized[msg.sender],\n \"SENDER_NOT_AUTHORIZED\"\n );\n _;\n }\n\n mapping (address => bool) public authorized;\n address[] public authorities;\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n !authorized[target],\n \"TARGET_ALREADY_AUTHORIZED\"\n );\n\n authorized[target] = true;\n authorities.push(target);\n emit AuthorizedAddressAdded(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n\n delete authorized[target];\n for (uint256 i = 0; i < authorities.length; i++) {\n if (authorities[i] == target) {\n authorities[i] = authorities[authorities.length - 1];\n authorities.length -= 1;\n break;\n }\n }\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n require(\n index < authorities.length,\n \"INDEX_OUT_OF_BOUNDS\"\n );\n require(\n authorities[index] == target,\n \"AUTHORIZED_ADDRESS_MISMATCH\"\n );\n\n delete authorized[target];\n authorities[index] = authorities[authorities.length - 1];\n authorities.length -= 1;\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory)\n {\n return authorities;\n }\n}\n", - "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IAuthorizable.sol\";\n\n\ncontract IAssetProxy is\n IAuthorizable\n{\n\n /// @dev Transfers assets. Either succeeds or throws.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n function transferFrom(\n bytes assetData,\n address from,\n address to,\n uint256 amount\n )\n external;\n \n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4);\n}\n", - "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/Ownable/IOwnable.sol\";\n\n\ncontract IAuthorizable is\n IOwnable\n{\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external;\n \n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory);\n}\n", - "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAuthorizable.sol\";\n\n\ncontract MAuthorizable is\n IAuthorizable\n{\n\n // Event logged when a new address is authorized.\n event AuthorizedAddressAdded(\n address indexed target,\n address indexed caller\n );\n\n // Event logged when a currently authorized address is unauthorized.\n event AuthorizedAddressRemoved(\n address indexed target,\n address indexed caller\n );\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized { revert(); _; }\n}\n", - "2.0.0/protocol/Exchange/Exchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinExchangeCore.sol\";\nimport \"./MixinSignatureValidator.sol\";\nimport \"./MixinWrapperFunctions.sol\";\nimport \"./MixinAssetProxyDispatcher.sol\";\nimport \"./MixinTransactions.sol\";\nimport \"./MixinMatchOrders.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Exchange is\n MixinExchangeCore,\n MixinMatchOrders,\n MixinSignatureValidator,\n MixinTransactions,\n MixinAssetProxyDispatcher,\n MixinWrapperFunctions\n{\n\n string constant public VERSION = \"2.0.1-alpha\";\n\n // Mixins are instantiated in the order they are inherited\n constructor (bytes memory _zrxAssetData)\n public\n LibConstants(_zrxAssetData) // @TODO: Remove when we deploy.\n MixinExchangeCore()\n MixinMatchOrders()\n MixinSignatureValidator()\n MixinTransactions()\n MixinAssetProxyDispatcher()\n MixinWrapperFunctions()\n {}\n}\n", - "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\nimport \"../AssetProxy/interfaces/IAssetProxy.sol\";\n\n\ncontract MixinAssetProxyDispatcher is\n Ownable,\n MAssetProxyDispatcher\n{\n using LibBytes for bytes;\n \n // Mapping from Asset Proxy Id's to their respective Asset Proxy\n mapping (bytes4 => IAssetProxy) public assetProxies;\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external\n onlyOwner\n {\n IAssetProxy assetProxyContract = IAssetProxy(assetProxy);\n\n // Ensure that no asset proxy exists with current id.\n bytes4 assetProxyId = assetProxyContract.getProxyId();\n address currentAssetProxy = assetProxies[assetProxyId];\n require(\n currentAssetProxy == address(0),\n \"ASSET_PROXY_ALREADY_EXISTS\"\n );\n\n // Add asset proxy and log registration.\n assetProxies[assetProxyId] = assetProxyContract;\n emit AssetProxyRegistered(\n assetProxyId,\n assetProxy\n );\n }\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address)\n {\n return assetProxies[assetProxyId];\n }\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal\n {\n // Do nothing if no amount should be transferred.\n if (amount > 0) {\n // Ensure assetData length is valid\n require(\n assetData.length > 3,\n \"LENGTH_GREATER_THAN_3_REQUIRED\"\n );\n \n // Lookup assetProxy\n bytes4 assetProxyId;\n assembly {\n assetProxyId := and(mload(\n add(assetData, 32)),\n 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000\n )\n }\n address assetProxy = assetProxies[assetProxyId];\n\n // Ensure that assetProxy exists\n require(\n assetProxy != address(0),\n \"ASSET_PROXY_DOES_NOT_EXIST\"\n );\n \n // We construct calldata for the `assetProxy.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n\n assembly {\n /////// Setup State ///////\n // `cdStart` is the start of the calldata for `assetProxy.transferFrom` (equal to free memory ptr).\n let cdStart := mload(64)\n // `dataAreaLength` is the total number of words needed to store `assetData`\n // As-per the ABI spec, this value is padded up to the nearest multiple of 32,\n // and includes 32-bytes for length.\n let dataAreaLength := and(add(mload(assetData), 63), 0xFFFFFFFFFFFE0)\n // `cdEnd` is the end of the calldata for `assetProxy.transferFrom`.\n let cdEnd := add(cdStart, add(132, dataAreaLength))\n\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFromSelector`.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes.\n // Notes:\n // 1. The offset to `assetData` is the length of the Params Area (128 bytes).\n // 2. A 20-byte mask is applied to addresses to zero-out the unused bytes.\n mstore(add(cdStart, 4), 128)\n mstore(add(cdStart, 36), and(from, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 68), and(to, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 100), amount)\n \n /////// Setup Data Area ///////\n // This area holds `assetData`.\n let dataArea := add(cdStart, 132)\n // solhint-disable-next-line no-empty-blocks\n for {} lt(dataArea, cdEnd) {} {\n mstore(dataArea, mload(assetData))\n dataArea := add(dataArea, 32)\n assetData := add(assetData, 32)\n }\n\n /////// Call `assetProxy.transferFrom` using the constructed calldata ///////\n let success := call(\n gas, // forward all gas\n assetProxy, // call address of asset proxy\n 0, // don't send any ETH\n cdStart, // pointer to start of input\n sub(cdEnd, cdStart), // length of input \n cdStart, // write output over input\n 512 // reserve 512 bytes for output\n )\n if iszero(success) {\n revert(cdStart, returndatasize())\n }\n }\n }\n }\n}\n", - "2.0.0/protocol/Exchange/MixinExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinExchangeCore is\n LibConstants,\n LibMath,\n LibOrder,\n LibFillResults,\n MAssetProxyDispatcher,\n MExchangeCore,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of orderHash => amount of takerAsset already bought by maker\n mapping (bytes32 => uint256) public filled;\n\n // Mapping of orderHash => cancelled\n mapping (bytes32 => bool) public cancelled;\n\n // Mapping of makerAddress => senderAddress => lowest salt an order can have in order to be fillable\n // Orders with specified senderAddress and with a salt less than their epoch are considered cancelled\n mapping (address => mapping (address => uint256)) public orderEpoch;\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external\n {\n address makerAddress = getCurrentContextAddress();\n // If this function is called via `executeTransaction`, we only update the orderEpoch for the makerAddress/msg.sender combination.\n // This allows external filter contracts to add rules to how orders are cancelled via this function.\n address senderAddress = makerAddress == msg.sender ? address(0) : msg.sender;\n\n // orderEpoch is initialized to 0, so to cancelUpTo we need salt + 1\n uint256 newOrderEpoch = targetOrderEpoch + 1; \n uint256 oldOrderEpoch = orderEpoch[makerAddress][senderAddress];\n\n // Ensure orderEpoch is monotonically increasing\n require(\n newOrderEpoch > oldOrderEpoch, \n \"INVALID_NEW_ORDER_EPOCH\"\n );\n\n // Update orderEpoch\n orderEpoch[makerAddress][senderAddress] = newOrderEpoch;\n emit CancelUpTo(makerAddress, senderAddress, newOrderEpoch);\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // Fetch order info\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n\n // Get amount of takerAsset to fill\n uint256 remainingTakerAssetAmount = safeSub(order.takerAssetAmount, orderInfo.orderTakerAssetFilledAmount);\n uint256 takerAssetFilledAmount = min256(takerAssetFillAmount, remainingTakerAssetAmount);\n\n // Validate context\n assertValidFill(\n order,\n orderInfo,\n takerAddress,\n takerAssetFillAmount,\n takerAssetFilledAmount,\n signature\n );\n\n // Compute proportional fill amounts\n fillResults = calculateFillResults(order, takerAssetFilledAmount);\n\n // Update exchange internal state\n updateFilledState(\n order,\n takerAddress,\n orderInfo.orderHash,\n orderInfo.orderTakerAssetFilledAmount,\n fillResults\n );\n \n // Settle order\n settleOrder(order, takerAddress, fillResults);\n\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrder(Order memory order)\n public\n {\n // Fetch current order status\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Validate context\n assertValidCancel(order, orderInfo);\n\n // Perform cancel\n updateCancelledState(order, orderInfo.orderHash);\n }\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(Order memory order)\n public\n view\n returns (OrderInfo memory orderInfo)\n {\n // Compute the order hash\n orderInfo.orderHash = getOrderHash(order);\n\n // Fetch filled amount\n orderInfo.orderTakerAssetFilledAmount = filled[orderInfo.orderHash];\n\n // If order.makerAssetAmount is zero, we also reject the order.\n // While the Exchange contract handles them correctly, they create\n // edge cases in the supporting infrastructure because they have\n // an 'infinite' price when computed by a simple division.\n if (order.makerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_MAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // If order.takerAssetAmount is zero, then the order will always\n // be considered filled because 0 == takerAssetAmount == orderTakerAssetFilledAmount\n // Instead of distinguishing between unfilled and filled zero taker\n // amount orders, we choose not to support them.\n if (order.takerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_TAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // Validate order availability\n if (orderInfo.orderTakerAssetFilledAmount >= order.takerAssetAmount) {\n orderInfo.orderStatus = uint8(OrderStatus.FULLY_FILLED);\n return orderInfo;\n }\n\n // Validate order expiration\n // solhint-disable-next-line not-rely-on-time\n if (block.timestamp >= order.expirationTimeSeconds) {\n orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);\n return orderInfo;\n }\n\n // Check if order has been cancelled\n if (cancelled[orderInfo.orderHash]) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n if (orderEpoch[order.makerAddress][order.senderAddress] > order.salt) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n\n // All other statuses are ruled out: order is Fillable\n orderInfo.orderStatus = uint8(OrderStatus.FILLABLE);\n return orderInfo;\n }\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n function updateFilledState(\n Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n FillResults memory fillResults\n )\n internal\n {\n // Update state\n filled[orderHash] = safeAdd(orderTakerAssetFilledAmount, fillResults.takerAssetFilledAmount);\n\n // Log order\n emit Fill(\n order.makerAddress,\n order.feeRecipientAddress,\n takerAddress,\n msg.sender,\n fillResults.makerAssetFilledAmount,\n fillResults.takerAssetFilledAmount,\n fillResults.makerFeePaid,\n fillResults.takerFeePaid,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n Order memory order,\n bytes32 orderHash\n )\n internal\n {\n // Perform cancel\n cancelled[orderHash] = true;\n\n // Log cancel\n emit Cancel(\n order.makerAddress,\n order.feeRecipientAddress,\n msg.sender,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param signature Proof that the orders was created by its maker.\n function assertValidFill(\n Order memory order,\n OrderInfo memory orderInfo,\n address takerAddress,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n bytes memory signature\n )\n internal\n view\n {\n // An order can only be filled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Revert if fill amount is invalid\n require(\n takerAssetFillAmount != 0,\n \"INVALID_TAKER_AMOUNT\"\n );\n\n // Validate sender is allowed to fill this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate taker is allowed to fill this order\n if (order.takerAddress != address(0)) {\n require(\n order.takerAddress == takerAddress,\n \"INVALID_TAKER\"\n );\n }\n\n // Validate Maker signature (check only if first time seen)\n if (orderInfo.orderTakerAssetFilledAmount == 0) {\n require(\n isValidSignature(\n orderInfo.orderHash,\n order.makerAddress,\n signature\n ),\n \"INVALID_ORDER_SIGNATURE\"\n );\n }\n\n // Validate fill order rounding\n require(\n !isRoundingError(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n ),\n \"ROUNDING_ERROR\"\n );\n }\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n Order memory order,\n OrderInfo memory orderInfo\n )\n internal\n view\n {\n // Ensure order is valid\n // An order can only be cancelled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Validate sender is allowed to cancel this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate transaction signed by maker\n address makerAddress = getCurrentContextAddress();\n require(\n order.makerAddress == makerAddress,\n \"INVALID_MAKER\"\n );\n }\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (FillResults memory fillResults)\n {\n // Compute proportional transfer amounts\n fillResults.takerAssetFilledAmount = takerAssetFilledAmount;\n fillResults.makerAssetFilledAmount = getPartialAmount(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n );\n fillResults.makerFeePaid = getPartialAmount(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerFee\n );\n fillResults.takerFeePaid = getPartialAmount(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.takerFee\n );\n\n return fillResults;\n }\n\n /// @dev Settles an order by transferring assets between counterparties.\n /// @param order Order struct containing order specifications.\n /// @param takerAddress Address selling takerAsset and buying makerAsset.\n /// @param fillResults Amounts to be filled and fees paid by maker and taker.\n function settleOrder(\n LibOrder.Order memory order,\n address takerAddress,\n LibFillResults.FillResults memory fillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n dispatchTransferFrom(\n order.makerAssetData,\n order.makerAddress,\n takerAddress,\n fillResults.makerAssetFilledAmount\n );\n dispatchTransferFrom(\n order.takerAssetData,\n takerAddress,\n order.makerAddress,\n fillResults.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n zrxAssetData,\n order.makerAddress,\n order.feeRecipientAddress,\n fillResults.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n order.feeRecipientAddress,\n fillResults.takerFeePaid\n );\n }\n}\n", - "2.0.0/protocol/Exchange/MixinMatchOrders.sol": "/*\n Copyright 2018 ZeroEx Intl.\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n http://www.apache.org/licenses/LICENSE-2.0\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MMatchOrders.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinMatchOrders is\n LibConstants,\n LibMath,\n MAssetProxyDispatcher,\n MExchangeCore,\n MMatchOrders,\n MTransactions\n{\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We assume that rightOrder.takerAssetData == leftOrder.makerAssetData and rightOrder.makerAssetData == leftOrder.takerAssetData.\n // If this assumption isn't true, the match will fail at signature validation.\n rightOrder.makerAssetData = leftOrder.takerAssetData;\n rightOrder.takerAssetData = leftOrder.makerAssetData;\n\n // Get left & right order info\n LibOrder.OrderInfo memory leftOrderInfo = getOrderInfo(leftOrder);\n LibOrder.OrderInfo memory rightOrderInfo = getOrderInfo(rightOrder);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n\n // Either our context is valid or we revert\n assertValidMatch(leftOrder, rightOrder);\n\n // Compute proportional fill amounts\n matchedFillResults = calculateMatchedFillResults(\n leftOrder,\n rightOrder,\n leftOrderInfo.orderTakerAssetFilledAmount,\n rightOrderInfo.orderTakerAssetFilledAmount\n );\n\n // Validate fill contexts\n assertValidFill(\n leftOrder,\n leftOrderInfo,\n takerAddress,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.takerAssetFilledAmount,\n leftSignature\n );\n assertValidFill(\n rightOrder,\n rightOrderInfo,\n takerAddress,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount,\n rightSignature\n );\n\n // Update exchange state\n updateFilledState(\n leftOrder,\n takerAddress,\n leftOrderInfo.orderHash,\n leftOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.left\n );\n updateFilledState(\n rightOrder,\n takerAddress,\n rightOrderInfo.orderHash,\n rightOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.right\n );\n \n // Settle matched orders. Succeeds or throws.\n settleMatchedOrders(\n leftOrder,\n rightOrder,\n takerAddress,\n matchedFillResults\n );\n\n return matchedFillResults;\n }\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure\n {\n // Make sure there is a profitable spread.\n // There is a profitable spread iff the cost per unit bought (OrderA.MakerAmount/OrderA.TakerAmount) for each order is greater\n // than the profit per unit sold of the matched order (OrderB.TakerAmount/OrderB.MakerAmount).\n // This is satisfied by the equations below:\n // / >= / \n // AND\n // / >= / \n // These equations can be combined to get the following:\n require(\n safeMul(leftOrder.makerAssetAmount, rightOrder.makerAssetAmount) >=\n safeMul(leftOrder.takerAssetAmount, rightOrder.takerAssetAmount),\n \"NEGATIVE_SPREAD_REQUIRED\"\n );\n }\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We settle orders at the exchange rate of the right order.\n // The amount saved by the left maker goes to the taker.\n // Either the left or right order will be fully filled; possibly both.\n // The left order is fully filled iff the right order can sell more than left can buy.\n // That is: the amount required to fill the left order is less than or equal to\n // the amount we can spend from the right order:\n // <= * \n // <= * / \n // * <= * \n uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);\n uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);\n uint256 leftTakerAssetFilledAmount;\n uint256 rightTakerAssetFilledAmount;\n if (\n safeMul(leftTakerAssetAmountRemaining, rightOrder.takerAssetAmount) <=\n safeMul(rightTakerAssetAmountRemaining, rightOrder.makerAssetAmount)\n ) {\n // Left order will be fully filled: maximally fill left\n leftTakerAssetFilledAmount = leftTakerAssetAmountRemaining;\n\n // The right order receives an amount proportional to how much was spent.\n rightTakerAssetFilledAmount = getPartialAmount(\n rightOrder.takerAssetAmount,\n rightOrder.makerAssetAmount,\n leftTakerAssetFilledAmount\n );\n } else {\n // Right order will be fully filled: maximally fill right\n rightTakerAssetFilledAmount = rightTakerAssetAmountRemaining;\n\n // The left order receives an amount proportional to how much was spent.\n leftTakerAssetFilledAmount = getPartialAmount(\n rightOrder.makerAssetAmount,\n rightOrder.takerAssetAmount,\n rightTakerAssetFilledAmount\n );\n }\n\n // Calculate fill results for left order\n matchedFillResults.left = calculateFillResults(\n leftOrder,\n leftTakerAssetFilledAmount\n );\n\n // Calculate fill results for right order\n matchedFillResults.right = calculateFillResults(\n rightOrder,\n rightTakerAssetFilledAmount\n );\n\n // Calculate amount given to taker\n matchedFillResults.leftMakerAssetSpreadAmount = safeSub(\n matchedFillResults.left.makerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount\n );\n\n // Return fill results\n return matchedFillResults;\n }\n\n /// @dev Settles matched order by transferring appropriate funds between order makers, taker, and fee recipient.\n /// @param leftOrder First matched order.\n /// @param rightOrder Second matched order.\n /// @param takerAddress Address that matched the orders. The taker receives the spread between orders as profit.\n /// @param matchedFillResults Struct holding amounts to transfer between makers, taker, and fee recipients.\n function settleMatchedOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n address takerAddress,\n LibFillResults.MatchedFillResults memory matchedFillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n // Order makers and taker\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n rightOrder.makerAddress,\n matchedFillResults.right.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n rightOrder.makerAssetData,\n rightOrder.makerAddress,\n leftOrder.makerAddress,\n matchedFillResults.left.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n takerAddress,\n matchedFillResults.leftMakerAssetSpreadAmount\n );\n\n // Maker fees\n dispatchTransferFrom(\n zrxAssetData,\n leftOrder.makerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n rightOrder.makerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.makerFeePaid\n );\n\n // Taker fees\n if (leftOrder.feeRecipientAddress == rightOrder.feeRecipientAddress) {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n safeAdd(\n matchedFillResults.left.takerFeePaid,\n matchedFillResults.right.takerFeePaid\n )\n );\n } else {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.takerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.takerFeePaid\n );\n }\n }\n}\n", - "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./interfaces/IWallet.sol\";\nimport \"./interfaces/IValidator.sol\";\n\n\ncontract MixinSignatureValidator is\n MSignatureValidator,\n MTransactions\n{\n using LibBytes for bytes;\n \n // Mapping of hash => signer => signed\n mapping (bytes32 => mapping (address => bool)) public preSigned;\n\n // Mapping of signer => validator => approved\n mapping (address => mapping (address => bool)) public allowedValidators;\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n {\n require(\n isValidSignature(\n hash,\n signerAddress,\n signature\n ),\n \"INVALID_SIGNATURE\"\n );\n preSigned[hash][signerAddress] = true;\n }\n\n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external\n {\n address signerAddress = getCurrentContextAddress();\n allowedValidators[signerAddress][validatorAddress] = approval;\n emit SignatureValidatorApproval(\n signerAddress,\n validatorAddress,\n approval\n );\n }\n\n /// @dev Verifies that a hash has been signed by the given signer.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid)\n {\n require(\n signature.length > 0,\n \"LENGTH_GREATER_THAN_0_REQUIRED\"\n );\n\n // Pop last byte off of signature byte array.\n uint8 signatureTypeRaw = uint8(signature.popLastByte());\n\n // Ensure signature is supported\n require(\n signatureTypeRaw < uint8(SignatureType.NSignatureTypes),\n \"SIGNATURE_UNSUPPORTED\"\n );\n\n SignatureType signatureType = SignatureType(signatureTypeRaw);\n\n // Variables are not scoped in Solidity.\n uint8 v;\n bytes32 r;\n bytes32 s;\n address recovered;\n\n // Always illegal signature.\n // This is always an implicit option since a signer can create a\n // signature array with invalid type or length. We may as well make\n // it an explicit option. This aids testing and analysis. It is\n // also the initialization value for the enum type.\n if (signatureType == SignatureType.Illegal) {\n revert(\"SIGNATURE_ILLEGAL\");\n\n // Always invalid signature.\n // Like Illegal, this is always implicitly available and therefore\n // offered explicitly. It can be implicitly created by providing\n // a correctly formatted but incorrect signature.\n } else if (signatureType == SignatureType.Invalid) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = false;\n return isValid;\n\n // Signature using EIP712\n } else if (signatureType == SignatureType.EIP712) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n hash,\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signed using web3.eth_sign\n } else if (signatureType == SignatureType.EthSign) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n32\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Implicitly signed by caller.\n // The signer has initiated the call. In the case of non-contract\n // accounts it means the transaction itself was signed.\n // Example: let's say for a particular operation three signatures\n // A, B and C are required. To submit the transaction, A and B can\n // give a signature to C, who can then submit the transaction using\n // `Caller` for his own signature. Or A and C can sign and B can\n // submit using `Caller`. Having `Caller` allows this flexibility.\n } else if (signatureType == SignatureType.Caller) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = signerAddress == msg.sender;\n return isValid;\n\n // Signature verified by wallet contract.\n // If used with an order, the maker of the order is the wallet contract.\n } else if (signatureType == SignatureType.Wallet) {\n isValid = IWallet(signerAddress).isValidSignature(hash, signature);\n return isValid;\n\n // Signature verified by validator contract.\n // If used with an order, the maker of the order can still be an EOA.\n // A signature using this type should be encoded as:\n // | Offset | Length | Contents |\n // | 0x00 | x | Signature to validate |\n // | 0x00 + x | 20 | Address of validator contract |\n // | 0x14 + x | 1 | Signature type is always \"\\x06\" |\n } else if (signatureType == SignatureType.Validator) {\n // Pop last 20 bytes off of signature byte array.\n address validatorAddress = signature.popLast20Bytes();\n \n // Ensure signer has approved validator.\n if (!allowedValidators[signerAddress][validatorAddress]) {\n return false;\n }\n isValid = IValidator(validatorAddress).isValidSignature(\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signer signed hash previously using the preSign function.\n } else if (signatureType == SignatureType.PreSigned) {\n isValid = preSigned[hash][signerAddress];\n return isValid;\n\n // Signature from Trezor hardware wallet.\n // It differs from web3.eth_sign in the encoding of message length\n // (Bitcoin varint encoding vs ascii-decimal, the latter is not\n // self-terminating which leads to ambiguities).\n // See also:\n // https://en.bitcoin.it/wiki/Protocol_documentation#Variable_length_integer\n // https://github.com/trezor/trezor-mcu/blob/master/firmware/ethereum.c#L602\n // https://github.com/trezor/trezor-mcu/blob/master/firmware/crypto.c#L36\n } else if (signatureType == SignatureType.Trezor) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n\\x20\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n }\n\n // Anything else is illegal (We do not return false because\n // the signature may actually be valid, just not in a format\n // that we currently support. In this case returning false\n // may lead the caller to incorrectly believe that the\n // signature was invalid.)\n revert(\"SIGNATURE_UNSUPPORTED\");\n }\n}\n", - "2.0.0/protocol/Exchange/MixinTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"./libs/LibExchangeErrors.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./libs/LibEIP712.sol\";\n\n\ncontract MixinTransactions is\n LibEIP712,\n MSignatureValidator,\n MTransactions\n{\n\n // Mapping of transaction hash => executed\n // This prevents transactions from being executed more than once.\n mapping (bytes32 => bool) public transactions;\n\n // Address of current transaction signer\n address public currentContextAddress;\n\n // Hash for the EIP712 ZeroEx Transaction Schema\n bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"ZeroExTransaction(\",\n \"uint256 salt,\",\n \"address signerAddress,\",\n \"bytes data\",\n \")\"\n ));\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external\n {\n // Prevent reentrancy\n require(\n currentContextAddress == address(0),\n \"REENTRANCY_ILLEGAL\"\n );\n\n bytes32 transactionHash = hashEIP712Message(hashZeroExTransaction(\n salt,\n signerAddress,\n data\n ));\n\n // Validate transaction has not been executed\n require(\n !transactions[transactionHash],\n \"INVALID_TX_HASH\"\n );\n\n // Transaction always valid if signer is sender of transaction\n if (signerAddress != msg.sender) {\n // Validate signature\n require(\n isValidSignature(\n transactionHash,\n signerAddress,\n signature\n ),\n \"INVALID_TX_SIGNATURE\"\n );\n\n // Set the current transaction signer\n currentContextAddress = signerAddress;\n }\n\n // Execute transaction\n transactions[transactionHash] = true;\n require(\n address(this).delegatecall(data),\n \"FAILED_EXECUTION\"\n );\n\n // Reset current transaction signer if it was previously updated\n if (signerAddress != msg.sender) {\n currentContextAddress = address(0);\n }\n }\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;\n bytes32 dataHash = keccak256(data);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,\n // salt,\n // bytes32(signerAddress),\n // keccak256(data)\n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, schemaHash) // hash of schema\n mstore(add(memPtr, 32), salt) // salt\n mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff)) // signerAddress\n mstore(add(memPtr, 96), dataHash) // hash of data\n\n // Compute hash\n result := keccak256(memPtr, 128)\n }\n return result;\n }\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address)\n {\n address contextAddress = currentContextAddress == address(0) ? msg.sender : currentContextAddress;\n return contextAddress;\n }\n}\n", - "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibAbiEncoder.sol\";\nimport \"./mixins/MExchangeCore.sol\";\n\n\ncontract MixinWrapperFunctions is\n LibMath,\n LibFillResults,\n LibAbiEncoder,\n MExchangeCore\n{\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n require(\n fillResults.takerAssetFilledAmount == takerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return fillResults;\n }\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n // Delegate to `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := delegatecall(\n gas, // forward all gas, TODO: look into gas consumption of assert/throw\n address, // call address of this contract\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n switch success\n case 0 {\n mstore(fillResults, 0)\n mstore(add(fillResults, 32), 0)\n mstore(add(fillResults, 64), 0)\n mstore(add(fillResults, 96), 0)\n }\n case 1 {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrder(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrKillOrder(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n \n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrder(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmount(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrder(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmount(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n cancelOrder(orders[i]);\n }\n }\n\n /// @dev Fetches information for all passed in orders.\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n LibOrder.OrderInfo[] memory ordersInfo = new LibOrder.OrderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n ordersInfo[i] = getOrderInfo(orders[i]);\n }\n return ordersInfo;\n }\n}\n", - "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssetProxyDispatcher {\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external;\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IExchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./IExchangeCore.sol\";\nimport \"./IMatchOrders.sol\";\nimport \"./ISignatureValidator.sol\";\nimport \"./ITransactions.sol\";\nimport \"./IAssetProxyDispatcher.sol\";\nimport \"./IWrapperFunctions.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract IExchange is\n IExchangeCore,\n IMatchOrders,\n ISignatureValidator,\n ITransactions,\n IAssetProxyDispatcher,\n IWrapperFunctions\n{}\n", - "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IExchangeCore {\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external;\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrder(LibOrder.Order memory order)\n public;\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(LibOrder.Order memory order)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IMatchOrders {\n\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n}\n", - "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ISignatureValidator {\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external;\n \n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external;\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address of signer.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\n\ncontract ITransactions {\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external;\n}\n", - "2.0.0/protocol/Exchange/interfaces/IValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IValidator {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IWallet {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IWrapperFunctions {\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public;\n\n /// @dev Fetches information for all passed in orders\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory);\n}\n", - "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./LibOrder.sol\";\n\n\ncontract LibAbiEncoder {\n\n /// @dev ABI encodes calldata for `fillOrder`.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return ABI encoded calldata for `fillOrder`.\n function abiEncodeFillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n pure\n returns (bytes memory fillOrderCalldata)\n {\n // We need to call MExchangeCore.fillOrder using a delegatecall in\n // assembly so that we can intercept a call that throws. For this, we\n // need the input encoded in memory in the Ethereum ABIv2 format [1].\n\n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0x00 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 0x00 | | 1. offset to order (*) |\n // | | 0x20 | | 2. takerAssetFillAmount |\n // | | 0x40 | | 3. offset to signature (*) |\n // | Data | | 12 * 32 | order: |\n // | | 0x000 | | 1. senderAddress |\n // | | 0x020 | | 2. makerAddress |\n // | | 0x040 | | 3. takerAddress |\n // | | 0x060 | | 4. feeRecipientAddress |\n // | | 0x080 | | 5. makerAssetAmount |\n // | | 0x0A0 | | 6. takerAssetAmount |\n // | | 0x0C0 | | 7. makerFeeAmount |\n // | | 0x0E0 | | 8. takerFeeAmount |\n // | | 0x100 | | 9. expirationTimeSeconds |\n // | | 0x120 | | 10. salt |\n // | | 0x140 | | 11. Offset to makerAssetData (*) |\n // | | 0x160 | | 12. Offset to takerAssetData (*) |\n // | | 0x180 | 32 | makerAssetData Length |\n // | | 0x1A0 | ** | makerAssetData Contents |\n // | | 0x1C0 | 32 | takerAssetData Length |\n // | | 0x1E0 | ** | takerAssetData Contents |\n // | | 0x200 | 32 | signature Length |\n // | | 0x220 | ** | signature Contents |\n\n // * Offsets are calculated from the beginning of the current area: Header, Params, Data:\n // An offset stored in the Params area is calculated from the beginning of the Params section.\n // An offset stored in the Data area is calculated from the beginning of the Data section.\n\n // ** The length of dynamic array contents are stored in the field immediately preceeding the contents.\n\n // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html\n\n assembly {\n\n // Areas below may use the following variables:\n // 1. Start -- Start of this area in memory\n // 2. End -- End of this area in memory. This value may\n // be precomputed (before writing contents),\n // or it may be computed as contents are written.\n // 3. Offset -- Current offset into area. If an area's End\n // is precomputed, this variable tracks the\n // offsets of contents as they are written.\n\n /////// Setup Header Area ///////\n // Load free memory pointer\n fillOrderCalldata := mload(0x40)\n // bytes4(keccak256(\"fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)\"))\n // = 0xb4be83d5\n // Leave 0x20 bytes to store the length\n mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000)\n let headerAreaEnd := add(fillOrderCalldata, 0x24)\n\n /////// Setup Params Area ///////\n // This area is preallocated and written to later.\n // This is because we need to fill in offsets that have not yet been calculated.\n let paramsAreaStart := headerAreaEnd\n let paramsAreaEnd := add(paramsAreaStart, 0x60)\n let paramsAreaOffset := paramsAreaStart\n\n /////// Setup Data Area ///////\n let dataAreaStart := paramsAreaEnd\n let dataAreaEnd := dataAreaStart\n\n // Offset from the source data we're reading from\n let sourceOffset := order\n // arrayLenBytes and arrayLenWords track the length of a dynamically-allocated bytes array.\n let arrayLenBytes := 0\n let arrayLenWords := 0\n\n /////// Write order Struct ///////\n // Write memory location of Order, relative to the start of the\n // parameter list, then increment the paramsAreaOffset respectively.\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n // Write values for each field in the order\n // It would be nice to use a loop, but we save on gas by writing\n // the stores sequentially.\n mstore(dataAreaEnd, mload(sourceOffset)) // makerAddress\n mstore(add(dataAreaEnd, 0x20), mload(add(sourceOffset, 0x20))) // takerAddress\n mstore(add(dataAreaEnd, 0x40), mload(add(sourceOffset, 0x40))) // feeRecipientAddress\n mstore(add(dataAreaEnd, 0x60), mload(add(sourceOffset, 0x60))) // senderAddress\n mstore(add(dataAreaEnd, 0x80), mload(add(sourceOffset, 0x80))) // makerAssetAmount\n mstore(add(dataAreaEnd, 0xA0), mload(add(sourceOffset, 0xA0))) // takerAssetAmount\n mstore(add(dataAreaEnd, 0xC0), mload(add(sourceOffset, 0xC0))) // makerFeeAmount\n mstore(add(dataAreaEnd, 0xE0), mload(add(sourceOffset, 0xE0))) // takerFeeAmount\n mstore(add(dataAreaEnd, 0x100), mload(add(sourceOffset, 0x100))) // expirationTimeSeconds\n mstore(add(dataAreaEnd, 0x120), mload(add(sourceOffset, 0x120))) // salt\n mstore(add(dataAreaEnd, 0x140), mload(add(sourceOffset, 0x140))) // Offset to makerAssetData\n mstore(add(dataAreaEnd, 0x160), mload(add(sourceOffset, 0x160))) // Offset to takerAssetData\n dataAreaEnd := add(dataAreaEnd, 0x180)\n sourceOffset := add(sourceOffset, 0x180)\n\n // Write offset to \n mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x140)) // makerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Write offset to \n mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x160)) // takerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n /////// Write takerAssetFillAmount ///////\n mstore(paramsAreaOffset, takerAssetFillAmount)\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n /////// Write signature ///////\n // Write offset to paramsArea\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n\n // Calculate length of signature\n sourceOffset := signature\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of signature\n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of signature\n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Set length of calldata\n mstore(fillOrderCalldata, sub(dataAreaEnd, add(fillOrderCalldata, 0x20)))\n\n // Increment free memory pointer\n mstore(0x40, dataAreaEnd)\n }\n\n return fillOrderCalldata;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\n// solhint-disable max-line-length\ncontract LibConstants {\n \n // Asset data for ZRX token. Used for fee transfers.\n // @TODO: Hardcode constant when we deploy. Currently \n // not constant to make testing easier.\n\n // The proxyId for ZRX_ASSET_DATA is bytes4(keccak256(\"ERC20Token(address)\")) = 0xf47261b0\n \n // Kovan ZRX address is 0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570.\n // The ABI encoded proxyId and address is 0xf47261b00000000000000000000000006ff6c0ff1d68b964901f986d4c9fa3ac68346570\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x6f\\xf6\\xc0\\xff\\x1d\\x68\\xb9\\x64\\x90\\x1f\\x98\\x6d\\x4c\\x9f\\xa3\\xac\\x68\\x34\\x65\\x70\";\n \n // Mainnet ZRX address is 0xe41d2489571d322189246dafa5ebde1f4699f498.\n // The ABI encoded proxyId and address is 0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xe4\\x1d\\x24\\x89\\x57\\x1d\\x32\\x21\\x89\\x24\\x6d\\xaf\\xa5\\xeb\\xde\\x1f\\x46\\x99\\xf4\\x98\";\n \n // solhint-disable-next-line var-name-mixedcase\n bytes public ZRX_ASSET_DATA;\n\n // @TODO: Remove when we deploy.\n constructor (bytes memory zrxAssetData)\n public\n {\n ZRX_ASSET_DATA = zrxAssetData;\n }\n}\n// solhint-enable max-line-length\n", - "2.0.0/protocol/Exchange/libs/LibEIP712.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract LibEIP712 {\n // EIP191 header for EIP712 prefix\n string constant internal EIP191_HEADER = \"\\x19\\x01\";\n\n // EIP712 Domain Name value\n string constant internal EIP712_DOMAIN_NAME = \"0x Protocol\";\n\n // EIP712 Domain Version value\n string constant internal EIP712_DOMAIN_VERSION = \"2\";\n\n // Hash of the EIP712 Domain Separator Schema\n bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"EIP712Domain(\",\n \"string name,\",\n \"string version,\",\n \"address verifyingContract\",\n \")\"\n ));\n\n // Hash of the EIP712 Domain Separator data\n // solhint-disable-next-line var-name-mixedcase\n bytes32 public EIP712_DOMAIN_HASH;\n\n constructor ()\n public\n {\n EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(\n EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,\n keccak256(bytes(EIP712_DOMAIN_NAME)),\n keccak256(bytes(EIP712_DOMAIN_VERSION)),\n bytes32(address(this))\n ));\n }\n\n /// @dev Calculates EIP712 encoding for a hash struct in this EIP712 Domain.\n /// @param hashStruct The EIP712 hash struct.\n /// @return EIP712 hash applied to this EIP712 Domain.\n function hashEIP712Message(bytes32 hashStruct)\n internal\n view\n returns (bytes32 result)\n {\n bytes32 eip712DomainHash = EIP712_DOMAIN_HASH;\n\n // Assembly for more efficient computing:\n // keccak256(abi.encodePacked(\n // EIP191_HEADER,\n // EIP712_DOMAIN_HASH,\n // hashStruct \n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, 0x1901000000000000000000000000000000000000000000000000000000000000) // EIP191 header\n mstore(add(memPtr, 2), eip712DomainHash) // EIP712 domain hash\n mstore(add(memPtr, 34), hashStruct) // Hash of struct\n\n // Compute hash\n result := keccak256(memPtr, 66)\n }\n return result;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity 0.4.24;\n\n\n/// @dev This contract documents the revert reasons used in the Exchange contract.\n/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons.\ncontract LibExchangeErrors {\n\n /// Order validation errors ///\n string constant ORDER_UNFILLABLE = \"ORDER_UNFILLABLE\"; // Order cannot be filled.\n string constant INVALID_MAKER = \"INVALID_MAKER\"; // Invalid makerAddress.\n string constant INVALID_TAKER = \"INVALID_TAKER\"; // Invalid takerAddress.\n string constant INVALID_SENDER = \"INVALID_SENDER\"; // Invalid `msg.sender`.\n string constant INVALID_ORDER_SIGNATURE = \"INVALID_ORDER_SIGNATURE\"; // Signature validation failed. \n \n /// fillOrder validation errors ///\n string constant INVALID_TAKER_AMOUNT = \"INVALID_TAKER_AMOUNT\"; // takerAssetFillAmount cannot equal 0.\n string constant ROUNDING_ERROR = \"ROUNDING_ERROR\"; // Rounding error greater than 0.1% of takerAssetFillAmount. \n \n /// Signature validation errors ///\n string constant INVALID_SIGNATURE = \"INVALID_SIGNATURE\"; // Signature validation failed. \n string constant SIGNATURE_ILLEGAL = \"SIGNATURE_ILLEGAL\"; // Signature type is illegal.\n string constant SIGNATURE_UNSUPPORTED = \"SIGNATURE_UNSUPPORTED\"; // Signature type unsupported.\n \n /// cancelOrdersUptTo errors ///\n string constant INVALID_NEW_ORDER_EPOCH = \"INVALID_NEW_ORDER_EPOCH\"; // Specified salt must be greater than or equal to existing orderEpoch.\n\n /// fillOrKillOrder errors ///\n string constant COMPLETE_FILL_FAILED = \"COMPLETE_FILL_FAILED\"; // Desired takerAssetFillAmount could not be completely filled. \n\n /// matchOrders errors ///\n string constant NEGATIVE_SPREAD_REQUIRED = \"NEGATIVE_SPREAD_REQUIRED\"; // Matched orders must have a negative spread.\n\n /// Transaction errors ///\n string constant REENTRANCY_ILLEGAL = \"REENTRANCY_ILLEGAL\"; // Recursive reentrancy is not allowed. \n string constant INVALID_TX_HASH = \"INVALID_TX_HASH\"; // Transaction has already been executed. \n string constant INVALID_TX_SIGNATURE = \"INVALID_TX_SIGNATURE\"; // Signature validation failed. \n string constant FAILED_EXECUTION = \"FAILED_EXECUTION\"; // Transaction execution failed. \n \n /// registerAssetProxy errors ///\n string constant ASSET_PROXY_ALREADY_EXISTS = \"ASSET_PROXY_ALREADY_EXISTS\"; // AssetProxy with same id already exists.\n\n /// dispatchTransferFrom errors ///\n string constant ASSET_PROXY_DOES_NOT_EXIST = \"ASSET_PROXY_DOES_NOT_EXIST\"; // No assetProxy registered at given id.\n string constant TRANSFER_FAILED = \"TRANSFER_FAILED\"; // Asset transfer unsuccesful.\n\n /// Length validation errors ///\n string constant LENGTH_GREATER_THAN_0_REQUIRED = \"LENGTH_GREATER_THAN_0_REQUIRED\"; // Byte array must have a length greater than 0.\n string constant LENGTH_GREATER_THAN_3_REQUIRED = \"LENGTH_GREATER_THAN_3_REQUIRED\"; // Byte array must have a length greater than 3.\n string constant LENGTH_0_REQUIRED = \"LENGTH_0_REQUIRED\"; // Byte array must have a length of 0.\n string constant LENGTH_65_REQUIRED = \"LENGTH_65_REQUIRED\"; // Byte array must have a length of 65.\n}\n", - "2.0.0/protocol/Exchange/libs/LibFillResults.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibFillResults is\n SafeMath\n{\n\n struct FillResults {\n uint256 makerAssetFilledAmount; // Total amount of makerAsset(s) filled.\n uint256 takerAssetFilledAmount; // Total amount of takerAsset(s) filled.\n uint256 makerFeePaid; // Total amount of ZRX paid by maker(s) to feeRecipient(s).\n uint256 takerFeePaid; // Total amount of ZRX paid by taker to feeRecipients(s).\n }\n\n struct MatchedFillResults {\n FillResults left; // Amounts filled and fees paid of left order.\n FillResults right; // Amounts filled and fees paid of right order.\n uint256 leftMakerAssetSpreadAmount; // Spread between price of left and right order, denominated in the left order's makerAsset, paid to taker.\n }\n\n /// @dev Adds properties of both FillResults instances.\n /// Modifies the first FillResults instance specified.\n /// @param totalFillResults Fill results instance that will be added onto.\n /// @param singleFillResults Fill results instance that will be added to totalFillResults.\n function addFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)\n internal\n pure\n {\n totalFillResults.makerAssetFilledAmount = safeAdd(totalFillResults.makerAssetFilledAmount, singleFillResults.makerAssetFilledAmount);\n totalFillResults.takerAssetFilledAmount = safeAdd(totalFillResults.takerAssetFilledAmount, singleFillResults.takerAssetFilledAmount);\n totalFillResults.makerFeePaid = safeAdd(totalFillResults.makerFeePaid, singleFillResults.makerFeePaid);\n totalFillResults.takerFeePaid = safeAdd(totalFillResults.takerFeePaid, singleFillResults.takerFeePaid);\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibMath.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibMath is\n SafeMath\n{\n\n /// @dev Calculates partial value given a numerator and denominator.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target.\n function getPartialAmount(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Checks if rounding error > 0.1%.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingError(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n uint256 remainder = mulmod(target, numerator, denominator);\n if (remainder == 0) {\n return false; // No rounding error.\n }\n\n uint256 errPercentageTimes1000000 = safeDiv(\n safeMul(remainder, 1000000),\n safeMul(numerator, target)\n );\n isError = errPercentageTimes1000000 > 1000;\n return isError;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibOrder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./LibEIP712.sol\";\n\n\ncontract LibOrder is\n LibEIP712\n{\n\n // Hash for the EIP712 Order Schema\n bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"Order(\",\n \"address makerAddress,\",\n \"address takerAddress,\",\n \"address feeRecipientAddress,\",\n \"address senderAddress,\",\n \"uint256 makerAssetAmount,\",\n \"uint256 takerAssetAmount,\",\n \"uint256 makerFee,\",\n \"uint256 takerFee,\",\n \"uint256 expirationTimeSeconds,\",\n \"uint256 salt,\",\n \"bytes makerAssetData,\",\n \"bytes takerAssetData\",\n \")\"\n ));\n\n // A valid order remains fillable until it is expired, fully filled, or cancelled.\n // An order's state is unaffected by external factors, like account balances.\n enum OrderStatus {\n INVALID, // Default value\n INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount\n INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount\n FILLABLE, // Order is fillable\n EXPIRED, // Order has already expired\n FULLY_FILLED, // Order is fully filled\n CANCELLED // Order has been cancelled\n }\n\n // solhint-disable max-line-length\n struct Order {\n address makerAddress; // Address that created the order. \n address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order. \n address feeRecipientAddress; // Address that will recieve fees when order is filled. \n address senderAddress; // Address that is allowed to call Exchange contract methods that affect this order. If set to 0, any address is allowed to call these methods.\n uint256 makerAssetAmount; // Amount of makerAsset being offered by maker. Must be greater than 0. \n uint256 takerAssetAmount; // Amount of takerAsset being bid on by maker. Must be greater than 0. \n uint256 makerFee; // Amount of ZRX paid to feeRecipient by maker when order is filled. If set to 0, no transfer of ZRX from maker to feeRecipient will be attempted.\n uint256 takerFee; // Amount of ZRX paid to feeRecipient by taker when order is filled. If set to 0, no transfer of ZRX from taker to feeRecipient will be attempted.\n uint256 expirationTimeSeconds; // Timestamp in seconds at which order expires. \n uint256 salt; // Arbitrary number to facilitate uniqueness of the order's hash. \n bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.\n bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.\n }\n // solhint-enable max-line-length\n\n struct OrderInfo {\n uint8 orderStatus; // Status that describes order's validity and fillability.\n bytes32 orderHash; // EIP712 hash of the order (see LibOrder.getOrderHash).\n uint256 orderTakerAssetFilledAmount; // Amount of order that has already been filled.\n }\n\n /// @dev Calculates Keccak-256 hash of the order.\n /// @param order The order structure.\n /// @return Keccak-256 EIP712 hash of the order.\n function getOrderHash(Order memory order)\n internal\n view\n returns (bytes32 orderHash)\n {\n orderHash = hashEIP712Message(hashOrder(order));\n return orderHash;\n }\n\n /// @dev Calculates EIP712 hash of the order.\n /// @param order The order structure.\n /// @return EIP712 hash of the order.\n function hashOrder(Order memory order)\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ORDER_SCHEMA_HASH;\n bytes32 makerAssetDataHash = keccak256(order.makerAssetData);\n bytes32 takerAssetDataHash = keccak256(order.takerAssetData);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ORDER_SCHEMA_HASH,\n // bytes32(order.makerAddress),\n // bytes32(order.takerAddress),\n // bytes32(order.feeRecipientAddress),\n // bytes32(order.senderAddress),\n // order.makerAssetAmount,\n // order.takerAssetAmount,\n // order.makerFee,\n // order.takerFee,\n // order.expirationTimeSeconds,\n // order.salt,\n // keccak256(order.makerAssetData),\n // keccak256(order.takerAssetData)\n // ));\n\n assembly {\n // Calculate memory addresses that will be swapped out before hashing\n let pos1 := sub(order, 32)\n let pos2 := add(order, 320)\n let pos3 := add(order, 352)\n\n // Backup\n let temp1 := mload(pos1)\n let temp2 := mload(pos2)\n let temp3 := mload(pos3)\n \n // Hash in place\n mstore(pos1, schemaHash)\n mstore(pos2, makerAssetDataHash)\n mstore(pos3, takerAssetDataHash)\n result := keccak256(pos1, 416)\n \n // Restore\n mstore(pos1, temp1)\n mstore(pos2, temp2)\n mstore(pos3, temp3)\n }\n return result;\n }\n}\n", - "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssetProxyDispatcher.sol\";\n\n\ncontract MAssetProxyDispatcher is\n IAssetProxyDispatcher\n{\n\n // Logs registration of new asset proxy\n event AssetProxyRegistered(\n bytes4 id, // Id of new registered AssetProxy.\n address assetProxy // Address of new registered AssetProxy.\n );\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal;\n}\n", - "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IExchangeCore.sol\";\n\n\ncontract MExchangeCore is\n IExchangeCore\n{\n // Fill event is emitted whenever an order is filled.\n event Fill(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that received fees.\n address takerAddress, // Address that filled the order.\n address senderAddress, // Address that called the Exchange contract (msg.sender).\n uint256 makerAssetFilledAmount, // Amount of makerAsset sold by maker and bought by taker. \n uint256 takerAssetFilledAmount, // Amount of takerAsset sold by taker and bought by maker.\n uint256 makerFeePaid, // Amount of ZRX paid to feeRecipient by maker.\n uint256 takerFeePaid, // Amount of ZRX paid to feeRecipient by taker.\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // Cancel event is emitted whenever an individual order is cancelled.\n event Cancel(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that would have recieved fees if order was filled. \n address senderAddress, // Address that called the Exchange contract (msg.sender).\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // CancelUpTo event is emitted whenever `cancelOrdersUpTo` is executed succesfully.\n event CancelUpTo(\n address indexed makerAddress, // Orders cancelled must have been created by this address.\n address indexed senderAddress, // Orders cancelled must have a `senderAddress` equal to this address.\n uint256 orderEpoch // Orders with specified makerAddress and senderAddress with a salt less than this value are considered cancelled.\n );\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function updateFilledState(\n LibOrder.Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n LibFillResults.FillResults memory fillResults\n )\n internal;\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n LibOrder.Order memory order,\n bytes32 orderHash\n )\n internal;\n\n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo Status, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param signature Proof that the orders was created by its maker.\n function assertValidFill(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n address takerAddress,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n bytes memory signature\n )\n internal\n view;\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo\n )\n internal\n view;\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n LibOrder.Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.FillResults memory fillResults);\n\n}\n", - "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IMatchOrders.sol\";\n\n\ncontract MMatchOrders is\n IMatchOrders\n{\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure;\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n\n}\n", - "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/ISignatureValidator.sol\";\n\n\ncontract MSignatureValidator is\n ISignatureValidator\n{\n event SignatureValidatorApproval(\n address indexed signerAddress, // Address that approves or disapproves a contract to verify signatures.\n address indexed validatorAddress, // Address of signature validator contract.\n bool approved // Approval or disapproval of validator contract.\n );\n\n // Allowed signature types.\n enum SignatureType {\n Illegal, // 0x00, default value\n Invalid, // 0x01\n EIP712, // 0x02\n EthSign, // 0x03\n Caller, // 0x04\n Wallet, // 0x05\n Validator, // 0x06\n PreSigned, // 0x07\n Trezor, // 0x08\n NSignatureTypes // 0x09, number of signature types. Always leave at end.\n }\n}\n", - "2.0.0/protocol/Exchange/mixins/MTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"../interfaces/ITransactions.sol\";\n\n\ncontract MTransactions is\n ITransactions\n{\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address);\n}\n", - "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/MintableERC20Token.sol\";\n\n\ncontract DummyERC20Token is \n Ownable,\n MintableERC20Token\n{\n string public name;\n string public symbol;\n uint256 public decimals;\n uint256 public constant MAX_MINT_AMOUNT = 10000000000000000000000;\n\n constructor (\n string _name,\n string _symbol,\n uint256 _decimals,\n uint256 _totalSupply\n )\n public\n {\n name = _name;\n symbol = _symbol;\n decimals = _decimals;\n _totalSupply = _totalSupply;\n balances[msg.sender] = _totalSupply;\n }\n\n /// @dev Sets the balance of target address\n /// @param _target Address or which balance will be updated\n /// @param _value New balance of target address\n function setBalance(address _target, uint256 _value)\n external\n onlyOwner\n {\n uint256 currBalance = balances[_target];\n if (_value < currBalance) {\n _totalSupply = safeSub(_totalSupply, safeSub(currBalance, _value));\n } else {\n _totalSupply = safeAdd(_totalSupply, safeSub(_value, currBalance));\n }\n balances[_target] = _value;\n }\n\n /// @dev Mints new tokens for sender\n /// @param _value Amount of tokens to mint\n function mint(uint256 _value)\n external\n {\n require(\n _value <= MAX_MINT_AMOUNT,\n \"VALUE_TOO_LARGE\"\n );\n\n _mint(msg.sender, _value);\n }\n}\n", - "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../tokens/ERC721Token/MintableERC721Token.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract DummyERC721Token is\n Ownable,\n MintableERC721Token\n{\n string public name;\n string public symbol;\n\n constructor (\n string _name,\n string _symbol\n )\n public\n {\n name = _name;\n symbol = _symbol;\n }\n\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function mint(address _to, uint256 _tokenId)\n external\n {\n _mint(_to, _tokenId);\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist or not called by contract owner\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function burn(address _owner, uint256 _tokenId)\n external\n onlyOwner\n {\n _burn(_owner, _tokenId);\n }\n}\n", - "2.0.0/tokens/ERC20Token/ERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC20Token.sol\";\n\n\ncontract ERC20Token is\n IERC20Token\n{\n\n mapping (address => uint256) internal balances;\n mapping (address => mapping (address => uint256)) internal allowed;\n\n uint256 internal _totalSupply;\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool)\n {\n require(\n balances[msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[msg.sender] -= _value;\n balances[_to] += _value;\n\n emit Transfer(\n msg.sender,\n _to,\n _value\n );\n\n return true;\n }\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowed[_from][msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n allowed[_from][msg.sender] -= _value;\n \n emit Transfer(\n _from,\n _to,\n _value\n );\n \n return true;\n }\n\n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool)\n {\n allowed[msg.sender][_spender] = _value;\n emit Approval(\n msg.sender,\n _spender,\n _value\n );\n return true;\n }\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256)\n {\n return _totalSupply;\n }\n\n /// @dev Query the balance of owner\n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n return balances[_owner];\n }\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256)\n {\n return allowed[_owner][_spender];\n }\n}\n", - "2.0.0/tokens/ERC20Token/IERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n \n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n \n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", - "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/SafeMath/SafeMath.sol\";\nimport \"./UnlimitedAllowanceERC20Token.sol\";\n\n\ncontract MintableERC20Token is \n SafeMath,\n UnlimitedAllowanceERC20Token\n{\n\n /// @dev Mints new tokens\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _value Amount of tokens to mint\n function _mint(address _to, uint256 _value)\n internal\n {\n balances[_to] = safeAdd(_value, balances[_to]);\n _totalSupply = safeAdd(_totalSupply, _value);\n\n emit Transfer(\n address(0),\n _to,\n _value\n );\n }\n\n /// @dev Mints new tokens\n /// @param _owner Owner of tokens that will be burned\n /// @param _value Amount of tokens to burn\n function _burn(address _owner, uint256 _value)\n internal\n {\n balances[_owner] = safeSub(balances[_owner], _value);\n _totalSupply = safeSub(_totalSupply, _value);\n\n emit Transfer(\n _owner,\n address(0),\n _value\n );\n }\n}\n", - "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/ERC20Token.sol\";\n\n\ncontract UnlimitedAllowanceERC20Token is\n ERC20Token\n{\n\n uint256 constant internal MAX_UINT = 2**256 - 1;\n\n /// @dev ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited allowance. See https://github.com/ethereum/EIPs/issues/717\n /// @param _from Address to transfer from.\n /// @param _to Address to transfer to.\n /// @param _value Amount to transfer.\n /// @return Success of transfer.\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n uint256 allowance = allowed[_from][msg.sender];\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowance >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n if (allowance < MAX_UINT) {\n allowed[_from][msg.sender] -= _value;\n }\n\n emit Transfer(\n _from,\n _to,\n _value\n );\n\n return true;\n }\n}\n", - "2.0.0/tokens/ERC721Token/ERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC721Token.sol\";\nimport \"./IERC721Receiver.sol\";\nimport \"../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract ERC721Token is\n IERC721Token,\n SafeMath\n{\n // Function selector for ERC721Receiver.onERC721Received\n // 0x150b7a02\n bytes4 constant internal ERC721_RECEIVED = bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"));\n\n // Mapping of tokenId => owner\n mapping (uint256 => address) internal owners;\n\n // Mapping of tokenId => approved address\n mapping (uint256 => address) internal approvals;\n\n // Mapping of owner => number of tokens owned\n mapping (address => uint256) internal balances;\n\n // Mapping of owner => operator => approved\n mapping (address => mapping (address => bool)) internal operatorApprovals;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n _data\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n \"\"\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external\n {\n address owner = ownerOf(_tokenId);\n require(\n msg.sender == owner || isApprovedForAll(owner, msg.sender),\n \"ERC721_INVALID_SENDER\"\n );\n\n approvals[_tokenId] = _approved;\n emit Approval(\n owner,\n _approved,\n _tokenId\n );\n }\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external\n {\n operatorApprovals[msg.sender][_operator] = _approved;\n emit ApprovalForAll(\n msg.sender,\n _operator,\n _approved\n );\n }\n \n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return balances[_owner];\n }\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = ownerOf(_tokenId);\n require(\n _from == owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n address spender = msg.sender;\n address approvedAddress = getApproved(_tokenId);\n require(\n spender == owner ||\n isApprovedForAll(owner, spender) ||\n approvedAddress == spender,\n \"ERC721_INVALID_SPENDER\"\n );\n\n if (approvedAddress != address(0)) {\n approvals[_tokenId] = address(0);\n }\n\n owners[_tokenId] = _to;\n balances[_from] = safeSub(balances[_from], 1);\n balances[_to] = safeAdd(balances[_to], 1);\n \n emit Transfer(\n _from,\n _to,\n _tokenId\n );\n }\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address)\n {\n address owner = owners[_tokenId];\n require(\n owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return owner;\n }\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId)\n public\n view\n returns (address)\n {\n return approvals[_tokenId];\n }\n\n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool)\n {\n return operatorApprovals[_owner][_operator];\n }\n}\n", - "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Receiver {\n\n /// @notice Handle the receipt of an NFT\n /// @dev The ERC721 smart contract calls this function on the recipient\n /// after a `transfer`. This function MAY throw to revert and reject the\n /// transfer. Return of other than the magic value MUST result in the\n /// transaction being reverted.\n /// Note: the contract address is always the message sender.\n /// @param _operator The address which called `safeTransferFrom` function\n /// @param _from The address which previously owned the token\n /// @param _tokenId The NFT identifier which is being transferred\n /// @param _data Additional data with no specified format\n /// @return `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`\n /// unless throwing\n function onERC721Received(\n address _operator,\n address _from,\n uint256 _tokenId,\n bytes _data\n )\n external\n returns (bytes4);\n}\n", - "2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Token {\n\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(\n address indexed _owner,\n address indexed _approved,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(\n address indexed _owner,\n address indexed _operator,\n bool _approved\n );\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// perator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external;\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public;\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address);\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) \n public\n view\n returns (address);\n \n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool);\n}\n", - "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./ERC721Token.sol\";\n\n\ncontract MintableERC721Token is\n ERC721Token\n{\n\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function _mint(address _to, uint256 _tokenId)\n internal\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == address(0),\n \"ERC721_OWNER_ALREADY_EXISTS\"\n );\n\n owners[_tokenId] = _to;\n balances[_to] = safeAdd(balances[_to], 1);\n\n emit Transfer(\n address(0),\n _to,\n _tokenId\n );\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function _burn(address _owner, uint256 _tokenId)\n internal\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == _owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n owners[_tokenId] = address(0);\n balances[_owner] = safeSub(balances[_owner], 1);\n\n emit Transfer(\n _owner,\n address(0),\n _tokenId\n );\n }\n}\n", - "2.0.0/tokens/EtherToken/IEtherToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/IERC20Token.sol\";\n\n\ncontract IEtherToken is\n IERC20Token\n{\n function deposit()\n public\n payable;\n \n function withdraw(uint256 amount)\n public;\n}\n", - "2.0.0/utils/LibBytes/LibBytes.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\nlibrary LibBytes {\n\n using LibBytes for bytes;\n\n /// @dev Gets the memory address for a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of byte array. This\n /// points to the header of the byte array which contains\n /// the length.\n function rawAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := input\n }\n return memoryAddress;\n }\n \n /// @dev Gets the memory address for the contents of a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of the contents of the byte array.\n function contentAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := add(input, 32)\n }\n return memoryAddress;\n }\n\n /// @dev Copies `length` bytes from memory location `source` to `dest`.\n /// @param dest memory address to copy bytes to.\n /// @param source memory address to copy bytes from.\n /// @param length number of bytes to copy.\n function memCopy(\n uint256 dest,\n uint256 source,\n uint256 length\n )\n internal\n pure\n {\n if (length < 32) {\n // Handle a partial word by reading destination and masking\n // off the bits we are interested in.\n // This correctly handles overlap, zero lengths and source == dest\n assembly {\n let mask := sub(exp(256, sub(32, length)), 1)\n let s := and(mload(source), not(mask))\n let d := and(mload(dest), mask)\n mstore(dest, or(s, d))\n }\n } else {\n // Skip the O(length) loop when source == dest.\n if (source == dest) {\n return;\n }\n\n // For large copies we copy whole words at a time. The final\n // word is aligned to the end of the range (instead of after the\n // previous) to handle partial words. So a copy will look like this:\n //\n // ####\n // ####\n // ####\n // ####\n //\n // We handle overlap in the source and destination range by\n // changing the copying direction. This prevents us from\n // overwriting parts of source that we still need to copy.\n //\n // This correctly handles source == dest\n //\n if (source > dest) {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because it\n // is easier to compare with in the loop, and these\n // are also the addresses we need for copying the\n // last bytes.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the last 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the last bytes in\n // source already due to overlap.\n let last := mload(sEnd)\n\n // Copy whole words front to back\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} lt(source, sEnd) {} {\n mstore(dest, mload(source))\n source := add(source, 32)\n dest := add(dest, 32)\n }\n \n // Write the last 32 bytes\n mstore(dEnd, last)\n }\n } else {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because those\n // are the starting points when copying a word at the end.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the first 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the first bytes in\n // source already due to overlap.\n let first := mload(source)\n\n // Copy whole words back to front\n // We use a signed comparisson here to allow dEnd to become\n // negative (happens when source and dest < 32). Valid\n // addresses in local memory will never be larger than\n // 2**255, so they can be safely re-interpreted as signed.\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} slt(dest, dEnd) {} {\n mstore(dEnd, mload(sEnd))\n sEnd := sub(sEnd, 32)\n dEnd := sub(dEnd, 32)\n }\n \n // Write the first 32 bytes\n mstore(dest, first)\n }\n }\n }\n }\n\n /// @dev Returns a slices from a byte array.\n /// @param b The byte array to take a slice from.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n function slice(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure and copy contents\n result = new bytes(to - from);\n memCopy(\n result.contentAddress(),\n b.contentAddress() + from,\n result.length);\n return result;\n }\n \n /// @dev Returns a slice from a byte array without preserving the input.\n /// @param b The byte array to take a slice from. Will be destroyed in the process.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n /// @dev When `from == 0`, the original array will match the slice. In other cases its state will be corrupted.\n function sliceDestructive(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure around [from, to) in-place.\n assembly {\n result := add(b, from)\n mstore(result, sub(to, from))\n }\n return result;\n }\n\n /// @dev Pops the last byte off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The byte that was popped off.\n function popLastByte(bytes memory b)\n internal\n pure\n returns (bytes1 result)\n {\n require(\n b.length > 0,\n \"GREATER_THAN_ZERO_LENGTH_REQUIRED\"\n );\n\n // Store last byte.\n result = b[b.length - 1];\n\n assembly {\n // Decrement length of byte array.\n let newLen := sub(mload(b), 1)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Pops the last 20 bytes off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The 20 byte address that was popped off.\n function popLast20Bytes(bytes memory b)\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= 20,\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Store last 20 bytes.\n result = readAddress(b, b.length - 20);\n\n assembly {\n // Subtract 20 from byte array length.\n let newLen := sub(mload(b), 20)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Tests equality of two byte arrays.\n /// @param lhs First byte array to compare.\n /// @param rhs Second byte array to compare.\n /// @return True if arrays are the same. False otherwise.\n function equals(\n bytes memory lhs,\n bytes memory rhs\n )\n internal\n pure\n returns (bool equal)\n {\n // Keccak gas cost is 30 + numWords * 6. This is a cheap way to compare.\n // We early exit on unequal lengths, but keccak would also correctly\n // handle this.\n return lhs.length == rhs.length && keccak256(lhs) == keccak256(rhs);\n }\n\n /// @dev Reads an address from a position in a byte array.\n /// @param b Byte array containing an address.\n /// @param index Index in byte array of address.\n /// @return address from byte array.\n function readAddress(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Read address from array memory\n assembly {\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 20-byte mask to obtain address\n result := and(mload(add(b, index)), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n return result;\n }\n\n /// @dev Writes an address into a specific position in a byte array.\n /// @param b Byte array to insert address into.\n /// @param index Index in byte array of address.\n /// @param input Address to put into byte array.\n function writeAddress(\n bytes memory b,\n uint256 index,\n address input\n )\n internal\n pure\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Store address into array memory\n assembly {\n // The address occupies 20 bytes and mstore stores 32 bytes.\n // First fetch the 32-byte word where we'll be storing the address, then\n // apply a mask so we have only the bytes in the word that the address will not occupy.\n // Then combine these bytes with the address and store the 32 bytes back to memory with mstore.\n\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 12-byte mask to obtain extra bytes occupying word of memory where we'll store the address\n let neighbors := and(\n mload(add(b, index)),\n 0xffffffffffffffffffffffff0000000000000000000000000000000000000000\n )\n \n // Make sure input address is clean.\n // (Solidity does not guarantee this)\n input := and(input, 0xffffffffffffffffffffffffffffffffffffffff)\n\n // Store the neighbors and address into memory\n mstore(add(b, index), xor(input, neighbors))\n }\n }\n\n /// @dev Reads a bytes32 value from a position in a byte array.\n /// @param b Byte array containing a bytes32 value.\n /// @param index Index in byte array of bytes32 value.\n /// @return bytes32 value from byte array.\n function readBytes32(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes32 result)\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n result := mload(add(b, index))\n }\n return result;\n }\n\n /// @dev Writes a bytes32 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes32 to put into byte array.\n function writeBytes32(\n bytes memory b,\n uint256 index,\n bytes32 input\n )\n internal\n pure\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n mstore(add(b, index), input)\n }\n }\n\n /// @dev Reads a uint256 value from a position in a byte array.\n /// @param b Byte array containing a uint256 value.\n /// @param index Index in byte array of uint256 value.\n /// @return uint256 value from byte array.\n function readUint256(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (uint256 result)\n {\n return uint256(readBytes32(b, index));\n }\n\n /// @dev Writes a uint256 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input uint256 to put into byte array.\n function writeUint256(\n bytes memory b,\n uint256 index,\n uint256 input\n )\n internal\n pure\n {\n writeBytes32(b, index, bytes32(input));\n }\n\n /// @dev Reads an unpadded bytes4 value from a position in a byte array.\n /// @param b Byte array containing a bytes4 value.\n /// @param index Index in byte array of bytes4 value.\n /// @return bytes4 value from byte array.\n function readBytes4(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes4 result)\n {\n require(\n b.length >= index + 4,\n \"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED\"\n );\n assembly {\n result := mload(add(b, 32))\n // Solidity does not require us to clean the trailing bytes.\n // We do it anyway\n result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)\n }\n return result;\n }\n\n /// @dev Reads nested bytes from a specific position.\n /// @dev NOTE: the returned value overlaps with the input value.\n /// Both should be treated as immutable.\n /// @param b Byte array containing nested bytes.\n /// @param index Index of nested bytes.\n /// @return result Nested bytes.\n function readBytesWithLength(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes memory result)\n {\n // Read length of nested bytes\n uint256 nestedBytesLength = readUint256(b, index);\n index += 32;\n\n // Assert length of is valid, given\n // length of nested bytes\n require(\n b.length >= index + nestedBytesLength,\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n \n // Return a pointer to the byte array as it exists inside `b`\n assembly {\n result := add(b, index)\n }\n return result;\n }\n\n /// @dev Inserts bytes at a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes to insert.\n function writeBytesWithLength(\n bytes memory b,\n uint256 index,\n bytes memory input\n )\n internal\n pure\n {\n // Assert length of is valid, given\n // length of input\n require(\n b.length >= index + 32 + input.length, // 32 bytes to store length\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n\n // Copy into \n memCopy(\n b.contentAddress() + index,\n input.rawAddress(), // includes length of \n input.length + 32 // +32 bytes to store length\n );\n }\n\n /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length.\n /// @param dest Byte array that will be overwritten with source bytes.\n /// @param source Byte array to copy onto dest bytes.\n function deepCopyBytes(\n bytes memory dest,\n bytes memory source\n )\n internal\n pure\n {\n uint256 sourceLen = source.length;\n // Dest length must be >= source length, or some bytes would not be copied.\n require(\n dest.length >= sourceLen,\n \"GREATER_OR_EQUAL_TO_SOURCE_BYTES_LENGTH_REQUIRED\"\n );\n memCopy(\n dest.contentAddress(),\n source.contentAddress(),\n sourceLen\n );\n }\n}\n", - "2.0.0/utils/Ownable/IOwnable.sol": "pragma solidity 0.4.24;\n\n/*\n * Ownable\n *\n * Base contract with an owner.\n * Provides onlyOwner modifier, which prevents function from running if it is called by anyone other than the owner.\n */\n\ncontract IOwnable {\n function transferOwnership(address newOwner)\n public;\n}\n", - "2.0.0/utils/Ownable/Ownable.sol": "pragma solidity 0.4.24;\n\n/*\n * Ownable\n *\n * Base contract with an owner.\n * Provides onlyOwner modifier, which prevents function from running if it is called by anyone other than the owner.\n */\n\nimport \"./IOwnable.sol\";\n\n\ncontract Ownable is IOwnable {\n address public owner;\n\n constructor ()\n public\n {\n owner = msg.sender;\n }\n\n modifier onlyOwner() {\n require(\n msg.sender == owner,\n \"ONLY_CONTRACT_OWNER\"\n );\n _;\n }\n\n function transferOwnership(address newOwner)\n public\n onlyOwner\n {\n if (newOwner != address(0)) {\n owner = newOwner;\n }\n }\n}\n", - "2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n function safeMul(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(\n c / a == b,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function safeDiv(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a / b;\n return c;\n }\n\n function safeSub(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n require(\n b <= a,\n \"UINT256_UNDERFLOW\"\n );\n return a - b;\n }\n\n function safeAdd(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a + b;\n require(\n c >= a,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function max64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n\n function max256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n}\n" - }, - "sourceTreeHashHex": "0x70b7d3c15ab87e6b4b1011d194282163232dfd88486038e4120d6bf245d58e44", - "compiler": { - "name": "solc", - "version": "soljson-v0.4.24+commit.e67f0147.js", - "settings": { - "optimizer": { - "enabled": true, - "runs": 1000000 - }, - "outputSelection": { - "*": { - "*": [ - "abi", - "evm.bytecode.object", - "evm.bytecode.sourceMap", - "evm.deployedBytecode.object", - "evm.deployedBytecode.sourceMap" - ] - } - } - } - }, - "networks": {} -} \ No newline at end of file diff --git a/packages/migrations/artifacts/2.0.0-beta-testnet/OrderValidator.json b/packages/migrations/artifacts/2.0.0-beta-testnet/OrderValidator.json deleted file mode 100644 index 4d21192f3..000000000 --- a/packages/migrations/artifacts/2.0.0-beta-testnet/OrderValidator.json +++ /dev/null @@ -1,885 +0,0 @@ -{ - "schemaVersion": "2.0.0", - "contractName": "OrderValidator", - "compilerOutput": { - "abi": [ - { - "constant": true, - "inputs": [ - { - "components": [ - { - "name": "makerAddress", - "type": "address" - }, - { - "name": "takerAddress", - "type": "address" - }, - { - "name": "feeRecipientAddress", - "type": "address" - }, - { - "name": "senderAddress", - "type": "address" - }, - { - "name": "makerAssetAmount", - "type": "uint256" - }, - { - "name": "takerAssetAmount", - "type": "uint256" - }, - { - "name": "makerFee", - "type": "uint256" - }, - { - "name": "takerFee", - "type": "uint256" - }, - { - "name": "expirationTimeSeconds", - "type": "uint256" - }, - { - "name": "salt", - "type": "uint256" - }, - { - "name": "makerAssetData", - "type": "bytes" - }, - { - "name": "takerAssetData", - "type": "bytes" - } - ], - "name": "order", - "type": "tuple" - }, - { - "name": "takerAddress", - "type": "address" - } - ], - "name": "getOrderAndTraderInfo", - "outputs": [ - { - "components": [ - { - "name": "orderStatus", - "type": "uint8" - }, - { - "name": "orderHash", - "type": "bytes32" - }, - { - "name": "orderTakerAssetFilledAmount", - "type": "uint256" - } - ], - "name": "orderInfo", - "type": "tuple" - }, - { - "components": [ - { - "name": "makerBalance", - "type": "uint256" - }, - { - "name": "makerAllowance", - "type": "uint256" - }, - { - "name": "takerBalance", - "type": "uint256" - }, - { - "name": "takerAllowance", - "type": "uint256" - }, - { - "name": "makerZrxBalance", - "type": "uint256" - }, - { - "name": "makerZrxAllowance", - "type": "uint256" - }, - { - "name": "takerZrxBalance", - "type": "uint256" - }, - { - "name": "takerZrxAllowance", - "type": "uint256" - } - ], - "name": "traderInfo", - "type": "tuple" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "target", - "type": "address" - }, - { - "name": "assetData", - "type": "bytes" - } - ], - "name": "getBalanceAndAllowance", - "outputs": [ - { - "name": "balance", - "type": "uint256" - }, - { - "name": "allowance", - "type": "uint256" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "components": [ - { - "name": "makerAddress", - "type": "address" - }, - { - "name": "takerAddress", - "type": "address" - }, - { - "name": "feeRecipientAddress", - "type": "address" - }, - { - "name": "senderAddress", - "type": "address" - }, - { - "name": "makerAssetAmount", - "type": "uint256" - }, - { - "name": "takerAssetAmount", - "type": "uint256" - }, - { - "name": "makerFee", - "type": "uint256" - }, - { - "name": "takerFee", - "type": "uint256" - }, - { - "name": "expirationTimeSeconds", - "type": "uint256" - }, - { - "name": "salt", - "type": "uint256" - }, - { - "name": "makerAssetData", - "type": "bytes" - }, - { - "name": "takerAssetData", - "type": "bytes" - } - ], - "name": "orders", - "type": "tuple[]" - }, - { - "name": "takerAddresses", - "type": "address[]" - } - ], - "name": "getOrdersAndTradersInfo", - "outputs": [ - { - "components": [ - { - "name": "orderStatus", - "type": "uint8" - }, - { - "name": "orderHash", - "type": "bytes32" - }, - { - "name": "orderTakerAssetFilledAmount", - "type": "uint256" - } - ], - "name": "ordersInfo", - "type": "tuple[]" - }, - { - "components": [ - { - "name": "makerBalance", - "type": "uint256" - }, - { - "name": "makerAllowance", - "type": "uint256" - }, - { - "name": "takerBalance", - "type": "uint256" - }, - { - "name": "takerAllowance", - "type": "uint256" - }, - { - "name": "makerZrxBalance", - "type": "uint256" - }, - { - "name": "makerZrxAllowance", - "type": "uint256" - }, - { - "name": "takerZrxBalance", - "type": "uint256" - }, - { - "name": "takerZrxAllowance", - "type": "uint256" - } - ], - "name": "tradersInfo", - "type": "tuple[]" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "components": [ - { - "name": "makerAddress", - "type": "address" - }, - { - "name": "takerAddress", - "type": "address" - }, - { - "name": "feeRecipientAddress", - "type": "address" - }, - { - "name": "senderAddress", - "type": "address" - }, - { - "name": "makerAssetAmount", - "type": "uint256" - }, - { - "name": "takerAssetAmount", - "type": "uint256" - }, - { - "name": "makerFee", - "type": "uint256" - }, - { - "name": "takerFee", - "type": "uint256" - }, - { - "name": "expirationTimeSeconds", - "type": "uint256" - }, - { - "name": "salt", - "type": "uint256" - }, - { - "name": "makerAssetData", - "type": "bytes" - }, - { - "name": "takerAssetData", - "type": "bytes" - } - ], - "name": "orders", - "type": "tuple[]" - }, - { - "name": "takerAddresses", - "type": "address[]" - } - ], - "name": "getTradersInfo", - "outputs": [ - { - "components": [ - { - "name": "makerBalance", - "type": "uint256" - }, - { - "name": "makerAllowance", - "type": "uint256" - }, - { - "name": "takerBalance", - "type": "uint256" - }, - { - "name": "takerAllowance", - "type": "uint256" - }, - { - "name": "makerZrxBalance", - "type": "uint256" - }, - { - "name": "makerZrxAllowance", - "type": "uint256" - }, - { - "name": "takerZrxBalance", - "type": "uint256" - }, - { - "name": "takerZrxAllowance", - "type": "uint256" - } - ], - "name": "", - "type": "tuple[]" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "token", - "type": "address" - }, - { - "name": "tokenId", - "type": "uint256" - } - ], - "name": "getERC721TokenOwner", - "outputs": [ - { - "name": "owner", - "type": "address" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "target", - "type": "address" - }, - { - "name": "assetData", - "type": "bytes[]" - } - ], - "name": "getBalancesAndAllowances", - "outputs": [ - { - "name": "", - "type": "uint256[]" - }, - { - "name": "", - "type": "uint256[]" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "components": [ - { - "name": "makerAddress", - "type": "address" - }, - { - "name": "takerAddress", - "type": "address" - }, - { - "name": "feeRecipientAddress", - "type": "address" - }, - { - "name": "senderAddress", - "type": "address" - }, - { - "name": "makerAssetAmount", - "type": "uint256" - }, - { - "name": "takerAssetAmount", - "type": "uint256" - }, - { - "name": "makerFee", - "type": "uint256" - }, - { - "name": "takerFee", - "type": "uint256" - }, - { - "name": "expirationTimeSeconds", - "type": "uint256" - }, - { - "name": "salt", - "type": "uint256" - }, - { - "name": "makerAssetData", - "type": "bytes" - }, - { - "name": "takerAssetData", - "type": "bytes" - } - ], - "name": "order", - "type": "tuple" - }, - { - "name": "takerAddress", - "type": "address" - } - ], - "name": "getTraderInfo", - "outputs": [ - { - "components": [ - { - "name": "makerBalance", - "type": "uint256" - }, - { - "name": "makerAllowance", - "type": "uint256" - }, - { - "name": "takerBalance", - "type": "uint256" - }, - { - "name": "takerAllowance", - "type": "uint256" - }, - { - "name": "makerZrxBalance", - "type": "uint256" - }, - { - "name": "makerZrxAllowance", - "type": "uint256" - }, - { - "name": "takerZrxBalance", - "type": "uint256" - }, - { - "name": "takerZrxAllowance", - "type": "uint256" - } - ], - "name": "traderInfo", - "type": "tuple" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "inputs": [ - { - "name": "_exchange", - "type": "address" - }, - { - "name": "_zrxAssetData", - "type": "bytes" - } - ], - "payable": false, - "stateMutability": "nonpayable", - "type": "constructor" - } - ], - "evm": { - "bytecode": { - "linkReferences": {}, - "object": 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0xE3 JUMPI DUP3 MLOAD DUP3 SSTORE SWAP2 PUSH1 0x20 ADD SWAP2 SWAP1 PUSH1 0x1 ADD SWAP1 PUSH3 0xC6 JUMP JUMPDEST POP PUSH3 0xF1 SWAP3 SWAP2 POP PUSH3 0xF5 JUMP JUMPDEST POP SWAP1 JUMP JUMPDEST PUSH3 0x112 SWAP2 SWAP1 JUMPDEST DUP1 DUP3 GT ISZERO PUSH3 0xF1 JUMPI PUSH1 0x0 DUP2 SSTORE PUSH1 0x1 ADD PUSH3 0xFC JUMP JUMPDEST SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH3 0x123 DUP3 MLOAD PUSH3 0x22C JUMP JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH3 0x13C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 MLOAD PUSH3 0x153 PUSH3 0x14D DUP3 PUSH3 0x204 JUMP JUMPDEST PUSH3 0x1DD JUMP JUMPDEST SWAP2 POP DUP1 DUP3 MSTORE PUSH1 0x20 DUP4 ADD PUSH1 0x20 DUP4 ADD DUP6 DUP4 DUP4 ADD GT ISZERO PUSH3 0x170 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH3 0x17D DUP4 DUP3 DUP5 PUSH3 0x238 JUMP JUMPDEST POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH3 0x19A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH3 0x1A8 DUP6 DUP6 PUSH3 0x115 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 DUP4 ADD MLOAD PUSH1 0x1 PUSH1 0x40 PUSH1 0x2 EXP SUB DUP2 GT ISZERO PUSH3 0x1C5 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH3 0x1D3 DUP6 DUP3 DUP7 ADD PUSH3 0x12A JUMP JUMPDEST SWAP2 POP POP SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x40 MLOAD DUP2 DUP2 ADD PUSH1 0x1 PUSH1 0x40 PUSH1 0x2 EXP SUB DUP2 GT DUP3 DUP3 LT OR ISZERO PUSH3 0x1FC JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x40 MSTORE SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1 PUSH1 0x40 PUSH1 0x2 EXP SUB DUP3 GT ISZERO PUSH3 0x21B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x20 PUSH1 0x1F SWAP2 SWAP1 SWAP2 ADD PUSH1 0x1F NOT AND ADD SWAP1 JUMP JUMPDEST PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB AND SWAP1 JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH3 0x255 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH3 0x23B JUMP JUMPDEST DUP4 DUP2 GT ISZERO PUSH3 0x265 JUMPI PUSH1 0x0 DUP5 DUP5 ADD MSTORE JUMPDEST POP POP POP POP JUMP JUMPDEST PUSH2 0x1ABF DUP1 PUSH3 0x27B PUSH1 0x0 CODECOPY PUSH1 0x0 RETURN STOP PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0x82 JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x4AD1E53 DUP2 EQ PUSH2 0x87 JUMPI DUP1 PUSH4 0x2CD0FC73 EQ PUSH2 0xBE JUMPI DUP1 PUSH4 0x4B95DE13 EQ PUSH2 0xEC JUMPI DUP1 PUSH4 0x690D3114 EQ PUSH2 0x11A JUMPI DUP1 PUSH4 0xB6988463 EQ PUSH2 0x147 JUMPI DUP1 PUSH4 0xC6B7F4EE EQ PUSH2 0x174 JUMPI DUP1 PUSH4 0xF241FFB0 EQ PUSH2 0x1A2 JUMPI JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x93 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xA7 PUSH2 0xA2 CALLDATASIZE PUSH1 0x4 PUSH2 0x12D3 JUMP JUMPDEST PUSH2 0x1CF JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xB5 SWAP3 SWAP2 SWAP1 PUSH2 0x18DC JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xCA JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xDE PUSH2 0xD9 CALLDATASIZE PUSH1 0x4 PUSH2 0x118B JUMP JUMPDEST PUSH2 0x29C JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xB5 SWAP3 SWAP2 SWAP1 PUSH2 0x1926 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xF8 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x10C PUSH2 0x107 CALLDATASIZE PUSH1 0x4 PUSH2 0x1238 JUMP JUMPDEST PUSH2 0x7CD JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xB5 SWAP3 SWAP2 SWAP1 PUSH2 0x1822 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x126 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x13A PUSH2 0x135 CALLDATASIZE PUSH1 0x4 PUSH2 0x1238 JUMP JUMPDEST PUSH2 0x8A4 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xB5 SWAP2 SWAP1 PUSH2 0x1858 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x153 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x167 PUSH2 0x162 CALLDATASIZE PUSH1 0x4 PUSH2 0x11D3 JUMP JUMPDEST PUSH2 0x95E JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xB5 SWAP2 SWAP1 PUSH2 0x17F9 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x180 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x194 PUSH2 0x18F CALLDATASIZE PUSH1 0x4 PUSH2 0x1139 JUMP JUMPDEST PUSH2 0x9A9 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xB5 SWAP3 SWAP2 SWAP1 PUSH2 0x1869 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1AE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1C2 PUSH2 0x1BD CALLDATASIZE PUSH1 0x4 PUSH2 0x12D3 JUMP JUMPDEST PUSH2 0xA86 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xB5 SWAP2 SWAP1 PUSH2 0x1909 JUMP JUMPDEST PUSH2 0x1D7 PUSH2 0xCD0 JUMP JUMPDEST PUSH2 0x1DF PUSH2 0xCF0 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0x40 MLOAD PUSH32 0xC75E0A8100000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP2 AND SWAP1 PUSH4 0xC75E0A81 SWAP1 PUSH2 0x235 SWAP1 DUP8 SWAP1 PUSH1 0x4 ADD PUSH2 0x18F8 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x24F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x263 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x287 SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x12B5 JUMP JUMPDEST SWAP2 POP PUSH2 0x293 DUP5 DUP5 PUSH2 0xA86 JUMP JUMPDEST SWAP1 POP SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 DUP1 DUP1 DUP1 DUP1 DUP1 PUSH2 0x2B5 DUP10 DUP3 PUSH4 0xFFFFFFFF PUSH2 0xBA4 AND JUMP JUMPDEST SWAP6 POP PUSH2 0x2C8 DUP10 PUSH1 0x10 PUSH4 0xFFFFFFFF PUSH2 0xC11 AND JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0x40 MLOAD PUSH32 0x6070410800000000000000000000000000000000000000000000000000000000 DUP2 MSTORE SWAP2 SWAP7 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 PUSH4 0x60704108 SWAP1 PUSH2 0x31F SWAP1 DUP10 SWAP1 PUSH1 0x4 ADD PUSH2 0x188E JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x339 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x34D JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x371 SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x1113 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x4552433230546F6B656E28616464726573732900000000000000000000000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x13 ADD SWAP1 KECCAK256 SWAP1 SWAP5 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP8 DUP2 AND SWAP2 AND EQ ISZERO PUSH2 0x526 JUMPI PUSH1 0x40 MLOAD PUSH32 0x70A0823100000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 AND SWAP1 PUSH4 0x70A08231 SWAP1 PUSH2 0x424 SWAP1 DUP14 SWAP1 PUSH1 0x4 ADD PUSH2 0x17F9 JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x43E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x452 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x476 SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x131A JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH32 0xDD62ED3E00000000000000000000000000000000000000000000000000000000 DUP2 MSTORE SWAP1 SWAP9 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 AND SWAP1 PUSH4 0xDD62ED3E SWAP1 PUSH2 0x4CD SWAP1 DUP14 SWAP1 DUP9 SWAP1 PUSH1 0x4 ADD PUSH2 0x1807 JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x4E7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x4FB JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x51F SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x131A JUMP JUMPDEST SWAP7 POP PUSH2 0x7C0 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x455243373231546F6B656E28616464726573732C75696E743235362900000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x1C ADD SWAP1 KECCAK256 PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP8 DUP2 AND SWAP2 AND EQ ISZERO PUSH2 0x785 JUMPI PUSH2 0x595 DUP10 PUSH1 0x24 PUSH4 0xFFFFFFFF PUSH2 0xC72 AND JUMP JUMPDEST SWAP3 POP PUSH2 0x5A1 DUP6 DUP5 PUSH2 0x95E JUMP JUMPDEST SWAP2 POP DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP11 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ PUSH2 0x5DD JUMPI PUSH1 0x0 PUSH2 0x5E0 JUMP JUMPDEST PUSH1 0x1 JUMPDEST PUSH1 0xFF AND SWAP8 POP DUP5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH4 0xE985E9C5 DUP12 DUP7 PUSH1 0x40 MLOAD DUP4 PUSH4 0xFFFFFFFF AND PUSH29 0x100000000000000000000000000000000000000000000000000000000 MUL DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x63C SWAP3 SWAP2 SWAP1 PUSH2 0x1807 JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x656 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x66A JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x68E SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x1297 JUMP JUMPDEST DUP1 PUSH2 0x76A JUMPI POP DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH4 0x81812FC DUP6 PUSH1 0x40 MLOAD DUP3 PUSH4 0xFFFFFFFF AND PUSH29 0x100000000000000000000000000000000000000000000000000000000 MUL DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x700 SWAP2 SWAP1 PUSH2 0x1918 JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x71A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x72E JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x752 SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x1113 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ JUMPDEST SWAP1 POP DUP1 PUSH2 0x778 JUMPI PUSH1 0x0 PUSH2 0x77B JUMP JUMPDEST PUSH1 0x1 JUMPDEST PUSH1 0xFF AND SWAP7 POP PUSH2 0x7C0 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x7B7 SWAP1 PUSH2 0x18AC JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST POP POP POP POP POP POP SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0x40 MLOAD PUSH32 0x7E9D74DC00000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x60 SWAP2 DUP3 SWAP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP2 AND SWAP1 PUSH4 0x7E9D74DC SWAP1 PUSH2 0x828 SWAP1 DUP8 SWAP1 PUSH1 0x4 ADD PUSH2 0x1847 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x842 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x856 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x0 DUP3 RETURNDATACOPY PUSH1 0x1F RETURNDATASIZE SWAP1 DUP2 ADD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 AND DUP3 ADD PUSH1 0x40 MSTORE PUSH2 0x89C SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x1203 JUMP JUMPDEST SWAP2 POP PUSH2 0x293 DUP5 DUP5 JUMPDEST PUSH1 0x60 PUSH1 0x0 PUSH1 0x60 PUSH1 0x0 DUP6 MLOAD SWAP3 POP DUP3 PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x8EA JUMPI DUP2 PUSH1 0x20 ADD JUMPDEST PUSH2 0x8D7 PUSH2 0xCF0 JUMP JUMPDEST DUP2 MSTORE PUSH1 0x20 ADD SWAP1 PUSH1 0x1 SWAP1 SUB SWAP1 DUP2 PUSH2 0x8CF JUMPI SWAP1 POP JUMPDEST POP SWAP2 POP PUSH1 0x0 SWAP1 POP JUMPDEST DUP1 DUP4 EQ PUSH2 0x951 JUMPI PUSH2 0x931 DUP7 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x90A JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP7 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x922 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0xA86 JUMP JUMPDEST DUP3 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x93F JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MSTORE PUSH1 0x1 ADD PUSH2 0x8F2 JUMP JUMPDEST DUP2 SWAP4 POP JUMPDEST POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x40 MLOAD PUSH32 0x6352211E00000000000000000000000000000000000000000000000000000000 DUP2 MSTORE DUP3 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x20 DUP2 PUSH1 0x24 DUP4 DUP8 GAS STATICCALL DUP1 ISZERO PUSH2 0x9A0 JUMPI DUP2 MLOAD SWAP3 POP JUMPDEST POP POP JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x0 PUSH1 0x60 DUP1 PUSH1 0x0 DUP7 MLOAD SWAP4 POP DUP4 PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x9E1 JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP3 POP DUP4 PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0xA0E JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP2 POP PUSH1 0x0 SWAP1 POP JUMPDEST DUP1 DUP5 EQ PUSH2 0xA79 JUMPI PUSH2 0xA3E DUP9 DUP9 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA2F JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x29C JUMP JUMPDEST DUP5 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA4C JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD DUP5 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA63 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD SWAP2 SWAP1 SWAP2 MSTORE MSTORE PUSH1 0x1 ADD PUSH2 0xA16 JUMP JUMPDEST POP SWAP1 SWAP7 SWAP1 SWAP6 POP SWAP4 POP POP POP POP JUMP JUMPDEST PUSH2 0xA8E PUSH2 0xCF0 JUMP JUMPDEST PUSH1 0x60 PUSH2 0xAA3 DUP5 PUSH1 0x0 ADD MLOAD DUP6 PUSH2 0x140 ADD MLOAD PUSH2 0x29C JUMP JUMPDEST PUSH1 0x20 DUP5 ADD MSTORE DUP3 MSTORE PUSH2 0x160 DUP5 ADD MLOAD PUSH2 0xABB SWAP1 DUP5 SWAP1 PUSH2 0x29C JUMP JUMPDEST PUSH1 0x60 DUP5 ADD MSTORE PUSH1 0x40 DUP1 DUP5 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0x1 DUP1 SLOAD DUP3 MLOAD PUSH1 0x20 PUSH1 0x1F PUSH1 0x2 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH2 0x100 DUP7 DUP9 AND ISZERO MUL ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV SWAP3 DUP4 ADD DUP2 SWAP1 DIV DUP2 MUL DUP3 ADD DUP2 ADD SWAP1 SWAP5 MSTORE DUP2 DUP2 MSTORE SWAP3 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0xB6A JUMPI DUP1 PUSH1 0x1F LT PUSH2 0xB3F JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0xB6A JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0xB4D JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP SWAP1 POP PUSH2 0xB7F DUP5 PUSH1 0x0 ADD MLOAD DUP3 PUSH2 0x29C JUMP JUMPDEST PUSH1 0xA0 DUP5 ADD MSTORE PUSH1 0x80 DUP4 ADD MSTORE PUSH2 0xB93 DUP4 DUP3 PUSH2 0x29C JUMP JUMPDEST PUSH1 0xE0 DUP5 ADD MSTORE PUSH1 0xC0 DUP4 ADD MSTORE POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x4 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0xBE6 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x7B7 SWAP1 PUSH2 0x18CC JUMP JUMPDEST POP ADD PUSH1 0x20 ADD MLOAD PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x14 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0xC53 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x7B7 SWAP1 PUSH2 0x18BC JUMP JUMPDEST POP ADD PUSH1 0x14 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP4 DUP4 PUSH2 0xC85 JUMP JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x20 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0xCC7 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x7B7 SWAP1 PUSH2 0x189C JUMP JUMPDEST POP ADD PUSH1 0x20 ADD MLOAD SWAP1 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x60 DUP2 ADD DUP3 MSTORE PUSH1 0x0 DUP1 DUP3 MSTORE PUSH1 0x20 DUP3 ADD DUP2 SWAP1 MSTORE SWAP2 DUP2 ADD SWAP2 SWAP1 SWAP2 MSTORE SWAP1 JUMP JUMPDEST PUSH2 0x100 PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE POP SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP3 CALLDATALOAD PUSH2 0x19D9 JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP3 MLOAD PUSH2 0x19D9 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0xD5F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0xD72 PUSH2 0xD6D DUP3 PUSH2 0x1968 JUMP JUMPDEST PUSH2 0x1941 JUMP JUMPDEST SWAP2 POP DUP2 DUP2 DUP4 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH1 0x20 DUP2 ADD SWAP1 POP DUP4 DUP6 PUSH1 0x20 DUP5 MUL DUP3 ADD GT ISZERO PUSH2 0xD97 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0xDC3 JUMPI DUP2 PUSH2 0xDAD DUP9 DUP3 PUSH2 0xD36 JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0xD9A JUMP JUMPDEST POP POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0xDDE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0xDEC PUSH2 0xD6D DUP3 PUSH2 0x1968 JUMP JUMPDEST DUP2 DUP2 MSTORE PUSH1 0x20 SWAP4 DUP5 ADD SWAP4 SWAP1 SWAP3 POP DUP3 ADD DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0xDC3 JUMPI DUP2 CALLDATALOAD DUP7 ADD PUSH2 0xE14 DUP9 DUP3 PUSH2 0xF11 JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0xDFE JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0xE3B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 MLOAD PUSH2 0xE49 PUSH2 0xD6D DUP3 PUSH2 0x1968 JUMP JUMPDEST SWAP2 POP DUP2 DUP2 DUP4 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH1 0x20 DUP2 ADD SWAP1 POP DUP4 DUP6 PUSH1 0x60 DUP5 MUL DUP3 ADD GT ISZERO PUSH2 0xE6E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0xDC3 JUMPI DUP2 PUSH2 0xE84 DUP9 DUP3 PUSH2 0xF57 JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x60 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0xE71 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0xEAD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0xEBB PUSH2 0xD6D DUP3 PUSH2 0x1968 JUMP JUMPDEST DUP2 DUP2 MSTORE PUSH1 0x20 SWAP4 DUP5 ADD SWAP4 SWAP1 SWAP3 POP DUP3 ADD DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0xDC3 JUMPI DUP2 CALLDATALOAD DUP7 ADD PUSH2 0xEE3 DUP9 DUP3 PUSH2 0xFB2 JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0xECD JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP3 MLOAD PUSH2 0x1A20 JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP3 MLOAD PUSH2 0x19F2 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0xF22 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0xF30 PUSH2 0xD6D DUP3 PUSH2 0x1989 JUMP JUMPDEST SWAP2 POP DUP1 DUP3 MSTORE PUSH1 0x20 DUP4 ADD PUSH1 0x20 DUP4 ADD DUP6 DUP4 DUP4 ADD GT ISZERO PUSH2 0xF4C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x955 DUP4 DUP3 DUP5 PUSH2 0x1A25 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x60 DUP3 DUP5 SUB SLT ISZERO PUSH2 0xF69 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0xF73 PUSH1 0x60 PUSH2 0x1941 JUMP JUMPDEST SWAP1 POP PUSH1 0x0 PUSH2 0xF81 DUP5 DUP5 PUSH2 0x1107 JUMP JUMPDEST DUP3 MSTORE POP PUSH1 0x20 PUSH2 0xF92 DUP5 DUP5 DUP4 ADD PUSH2 0xF05 JUMP JUMPDEST PUSH1 0x20 DUP4 ADD MSTORE POP PUSH1 0x40 PUSH2 0xFA6 DUP5 DUP3 DUP6 ADD PUSH2 0xF05 JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MSTORE POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x180 DUP3 DUP5 SUB SLT ISZERO PUSH2 0xFC5 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0xFD0 PUSH2 0x180 PUSH2 0x1941 JUMP JUMPDEST SWAP1 POP PUSH1 0x0 PUSH2 0xFDE DUP5 DUP5 PUSH2 0xD36 JUMP JUMPDEST DUP3 MSTORE POP PUSH1 0x20 PUSH2 0xFEF DUP5 DUP5 DUP4 ADD PUSH2 0xD36 JUMP JUMPDEST PUSH1 0x20 DUP4 ADD MSTORE POP PUSH1 0x40 PUSH2 0x1003 DUP5 DUP3 DUP6 ADD PUSH2 0xD36 JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MSTORE POP PUSH1 0x60 PUSH2 0x1017 DUP5 DUP3 DUP6 ADD PUSH2 0xD36 JUMP JUMPDEST PUSH1 0x60 DUP4 ADD MSTORE POP PUSH1 0x80 PUSH2 0x102B DUP5 DUP3 DUP6 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH1 0x80 DUP4 ADD MSTORE POP PUSH1 0xA0 PUSH2 0x103F DUP5 DUP3 DUP6 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH1 0xA0 DUP4 ADD MSTORE POP PUSH1 0xC0 PUSH2 0x1053 DUP5 DUP3 DUP6 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH1 0xC0 DUP4 ADD MSTORE POP PUSH1 0xE0 PUSH2 0x1067 DUP5 DUP3 DUP6 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH1 0xE0 DUP4 ADD MSTORE POP PUSH2 0x100 PUSH2 0x107C DUP5 DUP3 DUP6 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH2 0x100 DUP4 ADD MSTORE POP PUSH2 0x120 PUSH2 0x1092 DUP5 DUP3 DUP6 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH2 0x120 DUP4 ADD MSTORE POP PUSH2 0x140 DUP3 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x10B4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x10C0 DUP5 DUP3 DUP6 ADD PUSH2 0xF11 JUMP JUMPDEST PUSH2 0x140 DUP4 ADD MSTORE POP PUSH2 0x160 DUP3 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x10E2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x10EE DUP5 DUP3 DUP6 ADD PUSH2 0xF11 JUMP JUMPDEST PUSH2 0x160 DUP4 ADD MSTORE POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP3 CALLDATALOAD PUSH2 0x19F2 JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP3 MLOAD PUSH2 0x1A1A JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x1125 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x1131 DUP5 DUP5 PUSH2 0xD42 JUMP JUMPDEST SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x114C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x1158 DUP6 DUP6 PUSH2 0xD36 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 DUP4 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1175 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1181 DUP6 DUP3 DUP7 ADD PUSH2 0xDCD JUMP JUMPDEST SWAP2 POP POP SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x119E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x11AA DUP6 DUP6 PUSH2 0xD36 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 DUP4 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x11C7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1181 DUP6 DUP3 DUP7 ADD PUSH2 0xF11 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x11E6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x11F2 DUP6 DUP6 PUSH2 0xD36 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 PUSH2 0x1181 DUP6 DUP3 DUP7 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x1215 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 MLOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x122C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1131 DUP5 DUP3 DUP6 ADD PUSH2 0xE2A JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x124B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP3 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1262 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x126E DUP6 DUP3 DUP7 ADD PUSH2 0xE9C JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 DUP4 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x128B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1181 DUP6 DUP3 DUP7 ADD PUSH2 0xD4E JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x12A9 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x1131 DUP5 DUP5 PUSH2 0xEF9 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x60 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x12C7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x1131 DUP5 DUP5 PUSH2 0xF57 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x12E6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP3 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x12FD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1309 DUP6 DUP3 DUP7 ADD PUSH2 0xFB2 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 PUSH2 0x1181 DUP6 DUP3 DUP7 ADD PUSH2 0xD36 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x132C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x1131 DUP5 DUP5 PUSH2 0xF05 JUMP JUMPDEST PUSH2 0x1341 DUP2 PUSH2 0x19D9 JUMP JUMPDEST DUP3 MSTORE POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x1352 DUP3 PUSH2 0x19D5 JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH2 0x1364 DUP4 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP3 DUP2 LT ISZERO PUSH2 0x1394 JUMPI PUSH2 0x137A DUP7 DUP4 MLOAD PUSH2 0x1619 JUMP JUMPDEST PUSH2 0x1383 DUP3 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x60 SWAP7 SWAP1 SWAP7 ADD SWAP6 SWAP2 POP PUSH1 0x1 ADD PUSH2 0x1367 JUMP JUMPDEST POP SWAP4 SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x13A9 DUP3 PUSH2 0x19D5 JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP DUP4 PUSH1 0x20 DUP3 MUL DUP6 ADD PUSH2 0x13C2 DUP6 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP5 DUP2 LT ISZERO PUSH2 0x13F9 JUMPI DUP4 DUP4 SUB DUP9 MSTORE PUSH2 0x13DD DUP4 DUP4 MLOAD PUSH2 0x1656 JUMP JUMPDEST SWAP3 POP PUSH2 0x13E8 DUP3 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x20 SWAP9 SWAP1 SWAP9 ADD SWAP8 SWAP2 POP PUSH1 0x1 ADD PUSH2 0x13C5 JUMP JUMPDEST POP SWAP1 SWAP7 SWAP6 POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x1410 DUP3 PUSH2 0x19D5 JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH2 0x1422 DUP4 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP3 DUP2 LT ISZERO PUSH2 0x1394 JUMPI PUSH2 0x1438 DUP7 DUP4 MLOAD PUSH2 0x1759 JUMP JUMPDEST PUSH2 0x1441 DUP3 PUSH2 0x19CF JUMP JUMPDEST PUSH2 0x100 SWAP7 SWAP1 SWAP7 ADD SWAP6 SWAP2 POP PUSH1 0x1 ADD PUSH2 0x1425 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x145E DUP3 PUSH2 0x19D5 JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH2 0x1470 DUP4 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP3 DUP2 LT ISZERO PUSH2 0x1394 JUMPI PUSH2 0x1486 DUP7 DUP4 MLOAD PUSH2 0x14A0 JUMP JUMPDEST PUSH2 0x148F DUP3 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x20 SWAP7 SWAP1 SWAP7 ADD SWAP6 SWAP2 POP PUSH1 0x1 ADD PUSH2 0x1473 JUMP JUMPDEST PUSH2 0x1341 DUP2 PUSH2 0x19F2 JUMP JUMPDEST PUSH2 0x1341 DUP2 PUSH2 0x19F5 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x14BD DUP3 PUSH2 0x19D5 JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH2 0x14D1 DUP2 PUSH1 0x20 DUP7 ADD PUSH1 0x20 DUP7 ADD PUSH2 0x1A31 JUMP JUMPDEST PUSH2 0x14DA DUP2 PUSH2 0x1A5D JUMP JUMPDEST SWAP1 SWAP4 ADD PUSH1 0x20 ADD SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x26 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F33325F4C454E4754485F5245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5155495245440000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x17 DUP2 MSTORE PUSH32 0x554E535550504F525445445F41535345545F50524F5859000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x26 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F32305F4C454E4754485F5245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5155495245440000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x25 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F345F4C454E4754485F524551 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5549524544000000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST DUP1 MLOAD PUSH1 0x60 DUP4 ADD SWAP1 PUSH2 0x162A DUP5 DUP3 PUSH2 0x17F0 JUMP JUMPDEST POP PUSH1 0x20 DUP3 ADD MLOAD PUSH2 0x163D PUSH1 0x20 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0x40 DUP3 ADD MLOAD PUSH2 0x1650 PUSH1 0x40 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP POP POP POP JUMP JUMPDEST DUP1 MLOAD PUSH1 0x0 SWAP1 PUSH2 0x180 DUP5 ADD SWAP1 PUSH2 0x166B DUP6 DUP3 PUSH2 0x1338 JUMP JUMPDEST POP PUSH1 0x20 DUP4 ADD MLOAD PUSH2 0x167E PUSH1 0x20 DUP7 ADD DUP3 PUSH2 0x1338 JUMP JUMPDEST POP PUSH1 0x40 DUP4 ADD MLOAD PUSH2 0x1691 PUSH1 0x40 DUP7 ADD DUP3 PUSH2 0x1338 JUMP JUMPDEST POP PUSH1 0x60 DUP4 ADD MLOAD PUSH2 0x16A4 PUSH1 0x60 DUP7 ADD DUP3 PUSH2 0x1338 JUMP JUMPDEST POP PUSH1 0x80 DUP4 ADD MLOAD PUSH2 0x16B7 PUSH1 0x80 DUP7 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0xA0 DUP4 ADD MLOAD PUSH2 0x16CA PUSH1 0xA0 DUP7 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0xC0 DUP4 ADD MLOAD PUSH2 0x16DD PUSH1 0xC0 DUP7 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0xE0 DUP4 ADD MLOAD PUSH2 0x16F0 PUSH1 0xE0 DUP7 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH2 0x100 DUP4 ADD MLOAD PUSH2 0x1705 PUSH2 0x100 DUP7 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH2 0x120 DUP4 ADD MLOAD PUSH2 0x171A PUSH2 0x120 DUP7 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH2 0x140 DUP4 ADD MLOAD DUP5 DUP3 SUB PUSH2 0x140 DUP7 ADD MSTORE PUSH2 0x1734 DUP3 DUP3 PUSH2 0x14B2 JUMP JUMPDEST SWAP2 POP POP PUSH2 0x160 DUP4 ADD MLOAD DUP5 DUP3 SUB PUSH2 0x160 DUP7 ADD MSTORE PUSH2 0x1750 DUP3 DUP3 PUSH2 0x14B2 JUMP JUMPDEST SWAP6 SWAP5 POP POP POP POP POP JUMP JUMPDEST DUP1 MLOAD PUSH2 0x100 DUP4 ADD SWAP1 PUSH2 0x176B DUP5 DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0x20 DUP3 ADD MLOAD PUSH2 0x177E PUSH1 0x20 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0x40 DUP3 ADD MLOAD PUSH2 0x1791 PUSH1 0x40 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0x60 DUP3 ADD MLOAD PUSH2 0x17A4 PUSH1 0x60 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0x80 DUP3 ADD MLOAD PUSH2 0x17B7 PUSH1 0x80 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0xA0 DUP3 ADD MLOAD PUSH2 0x17CA PUSH1 0xA0 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0xC0 DUP3 ADD MLOAD PUSH2 0x17DD PUSH1 0xC0 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0xE0 DUP3 ADD MLOAD PUSH2 0x1650 PUSH1 0xE0 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST PUSH2 0x1341 DUP2 PUSH2 0x1A1A JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x9A3 DUP3 DUP5 PUSH2 0x1338 JUMP JUMPDEST PUSH1 0x40 DUP2 ADD PUSH2 0x1815 DUP3 DUP6 PUSH2 0x1338 JUMP JUMPDEST PUSH2 0xC7E PUSH1 0x20 DUP4 ADD DUP5 PUSH2 0x1338 JUMP JUMPDEST PUSH1 0x40 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x1833 DUP2 DUP6 PUSH2 0x1347 JUMP JUMPDEST SWAP1 POP DUP2 DUP2 SUB PUSH1 0x20 DUP4 ADD MSTORE PUSH2 0x1131 DUP2 DUP5 PUSH2 0x1405 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0xC7E DUP2 DUP5 PUSH2 0x139E JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0xC7E DUP2 DUP5 PUSH2 0x1405 JUMP JUMPDEST PUSH1 0x40 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x187A DUP2 DUP6 PUSH2 0x1453 JUMP JUMPDEST SWAP1 POP DUP2 DUP2 SUB PUSH1 0x20 DUP4 ADD MSTORE PUSH2 0x1131 DUP2 DUP5 PUSH2 0x1453 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x9A3 DUP3 DUP5 PUSH2 0x14A9 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x9A3 DUP2 PUSH2 0x14E7 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x9A3 DUP2 PUSH2 0x153D JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x9A3 DUP2 PUSH2 0x156D JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x9A3 DUP2 PUSH2 0x15C3 JUMP JUMPDEST PUSH2 0x160 DUP2 ADD PUSH2 0x18EB DUP3 DUP6 PUSH2 0x1619 JUMP JUMPDEST PUSH2 0xC7E PUSH1 0x60 DUP4 ADD DUP5 PUSH2 0x1759 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0xC7E DUP2 DUP5 PUSH2 0x1656 JUMP JUMPDEST PUSH2 0x100 DUP2 ADD PUSH2 0x9A3 DUP3 DUP5 PUSH2 0x1759 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x9A3 DUP3 DUP5 PUSH2 0x14A0 JUMP JUMPDEST PUSH1 0x40 DUP2 ADD PUSH2 0x1934 DUP3 DUP6 PUSH2 0x14A0 JUMP JUMPDEST PUSH2 0xC7E PUSH1 0x20 DUP4 ADD DUP5 PUSH2 0x14A0 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP2 DUP2 ADD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT DUP3 DUP3 LT OR ISZERO PUSH2 0x1960 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x40 MSTORE SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH8 0xFFFFFFFFFFFFFFFF DUP3 GT ISZERO PUSH2 0x197F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x20 SWAP1 DUP2 MUL ADD SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH8 0xFFFFFFFFFFFFFFFF DUP3 GT ISZERO PUSH2 0x19A0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x20 PUSH1 0x1F SWAP2 SWAP1 SWAP2 ADD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 AND ADD SWAP1 JUMP JUMPDEST PUSH1 0x20 ADD SWAP1 JUMP JUMPDEST MLOAD SWAP1 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST SWAP1 JUMP JUMPDEST PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND SWAP1 JUMP JUMPDEST PUSH1 0xFF AND SWAP1 JUMP JUMPDEST ISZERO ISZERO SWAP1 JUMP JUMPDEST DUP3 DUP2 DUP4 CALLDATACOPY POP PUSH1 0x0 SWAP2 ADD MSTORE JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x1A4C JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x1A34 JUMP JUMPDEST DUP4 DUP2 GT ISZERO PUSH2 0x1650 JUMPI POP POP PUSH1 0x0 SWAP2 ADD MSTORE JUMP JUMPDEST PUSH1 0x1F ADD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 AND SWAP1 JUMP STOP LOG2 PUSH6 0x627A7A723058 KECCAK256 0xd2 0xe9 PUSH31 0x29F930427E8936D11AF9A8EE1660886400D9687ABB10C976177F33449C6C65 PUSH25 0x706572696D656E74616CF50037000000000000000000000000 ", - "sourceMap": 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- "opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0x82 JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x4AD1E53 DUP2 EQ PUSH2 0x87 JUMPI DUP1 PUSH4 0x2CD0FC73 EQ PUSH2 0xBE JUMPI DUP1 PUSH4 0x4B95DE13 EQ PUSH2 0xEC JUMPI DUP1 PUSH4 0x690D3114 EQ PUSH2 0x11A JUMPI DUP1 PUSH4 0xB6988463 EQ PUSH2 0x147 JUMPI DUP1 PUSH4 0xC6B7F4EE EQ PUSH2 0x174 JUMPI DUP1 PUSH4 0xF241FFB0 EQ PUSH2 0x1A2 JUMPI JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x93 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xA7 PUSH2 0xA2 CALLDATASIZE PUSH1 0x4 PUSH2 0x12D3 JUMP JUMPDEST PUSH2 0x1CF JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xB5 SWAP3 SWAP2 SWAP1 PUSH2 0x18DC JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xCA JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xDE PUSH2 0xD9 CALLDATASIZE PUSH1 0x4 PUSH2 0x118B JUMP JUMPDEST PUSH2 0x29C JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xB5 SWAP3 SWAP2 SWAP1 PUSH2 0x1926 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xF8 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x10C PUSH2 0x107 CALLDATASIZE PUSH1 0x4 PUSH2 0x1238 JUMP JUMPDEST PUSH2 0x7CD JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xB5 SWAP3 SWAP2 SWAP1 PUSH2 0x1822 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x126 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x13A PUSH2 0x135 CALLDATASIZE PUSH1 0x4 PUSH2 0x1238 JUMP JUMPDEST PUSH2 0x8A4 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xB5 SWAP2 SWAP1 PUSH2 0x1858 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x153 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x167 PUSH2 0x162 CALLDATASIZE PUSH1 0x4 PUSH2 0x11D3 JUMP JUMPDEST PUSH2 0x95E JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xB5 SWAP2 SWAP1 PUSH2 0x17F9 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x180 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x194 PUSH2 0x18F CALLDATASIZE PUSH1 0x4 PUSH2 0x1139 JUMP JUMPDEST PUSH2 0x9A9 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xB5 SWAP3 SWAP2 SWAP1 PUSH2 0x1869 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1AE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1C2 PUSH2 0x1BD CALLDATASIZE PUSH1 0x4 PUSH2 0x12D3 JUMP JUMPDEST PUSH2 0xA86 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xB5 SWAP2 SWAP1 PUSH2 0x1909 JUMP JUMPDEST PUSH2 0x1D7 PUSH2 0xCD0 JUMP JUMPDEST PUSH2 0x1DF PUSH2 0xCF0 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0x40 MLOAD PUSH32 0xC75E0A8100000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP2 AND SWAP1 PUSH4 0xC75E0A81 SWAP1 PUSH2 0x235 SWAP1 DUP8 SWAP1 PUSH1 0x4 ADD PUSH2 0x18F8 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x24F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x263 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x287 SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x12B5 JUMP JUMPDEST SWAP2 POP PUSH2 0x293 DUP5 DUP5 PUSH2 0xA86 JUMP JUMPDEST SWAP1 POP SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 DUP1 DUP1 DUP1 DUP1 DUP1 PUSH2 0x2B5 DUP10 DUP3 PUSH4 0xFFFFFFFF PUSH2 0xBA4 AND JUMP JUMPDEST SWAP6 POP PUSH2 0x2C8 DUP10 PUSH1 0x10 PUSH4 0xFFFFFFFF PUSH2 0xC11 AND JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0x40 MLOAD PUSH32 0x6070410800000000000000000000000000000000000000000000000000000000 DUP2 MSTORE SWAP2 SWAP7 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 PUSH4 0x60704108 SWAP1 PUSH2 0x31F SWAP1 DUP10 SWAP1 PUSH1 0x4 ADD PUSH2 0x188E JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x339 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x34D JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x371 SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x1113 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x4552433230546F6B656E28616464726573732900000000000000000000000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x13 ADD SWAP1 KECCAK256 SWAP1 SWAP5 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP8 DUP2 AND SWAP2 AND EQ ISZERO PUSH2 0x526 JUMPI PUSH1 0x40 MLOAD PUSH32 0x70A0823100000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 AND SWAP1 PUSH4 0x70A08231 SWAP1 PUSH2 0x424 SWAP1 DUP14 SWAP1 PUSH1 0x4 ADD PUSH2 0x17F9 JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x43E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x452 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x476 SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x131A JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH32 0xDD62ED3E00000000000000000000000000000000000000000000000000000000 DUP2 MSTORE SWAP1 SWAP9 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 AND SWAP1 PUSH4 0xDD62ED3E SWAP1 PUSH2 0x4CD SWAP1 DUP14 SWAP1 DUP9 SWAP1 PUSH1 0x4 ADD PUSH2 0x1807 JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x4E7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x4FB JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x51F SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x131A JUMP JUMPDEST SWAP7 POP PUSH2 0x7C0 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x455243373231546F6B656E28616464726573732C75696E743235362900000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x1C ADD SWAP1 KECCAK256 PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP8 DUP2 AND SWAP2 AND EQ ISZERO PUSH2 0x785 JUMPI PUSH2 0x595 DUP10 PUSH1 0x24 PUSH4 0xFFFFFFFF PUSH2 0xC72 AND JUMP JUMPDEST SWAP3 POP PUSH2 0x5A1 DUP6 DUP5 PUSH2 0x95E JUMP JUMPDEST SWAP2 POP DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP11 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ PUSH2 0x5DD JUMPI PUSH1 0x0 PUSH2 0x5E0 JUMP JUMPDEST PUSH1 0x1 JUMPDEST PUSH1 0xFF AND SWAP8 POP DUP5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH4 0xE985E9C5 DUP12 DUP7 PUSH1 0x40 MLOAD DUP4 PUSH4 0xFFFFFFFF AND PUSH29 0x100000000000000000000000000000000000000000000000000000000 MUL DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x63C SWAP3 SWAP2 SWAP1 PUSH2 0x1807 JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x656 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x66A JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x68E SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x1297 JUMP JUMPDEST DUP1 PUSH2 0x76A JUMPI POP DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH4 0x81812FC DUP6 PUSH1 0x40 MLOAD DUP3 PUSH4 0xFFFFFFFF AND PUSH29 0x100000000000000000000000000000000000000000000000000000000 MUL DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x700 SWAP2 SWAP1 PUSH2 0x1918 JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x71A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x72E JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x752 SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x1113 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ JUMPDEST SWAP1 POP DUP1 PUSH2 0x778 JUMPI PUSH1 0x0 PUSH2 0x77B JUMP JUMPDEST PUSH1 0x1 JUMPDEST PUSH1 0xFF AND SWAP7 POP PUSH2 0x7C0 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x7B7 SWAP1 PUSH2 0x18AC JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST POP POP POP POP POP POP SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0x40 MLOAD PUSH32 0x7E9D74DC00000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x60 SWAP2 DUP3 SWAP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP2 AND SWAP1 PUSH4 0x7E9D74DC SWAP1 PUSH2 0x828 SWAP1 DUP8 SWAP1 PUSH1 0x4 ADD PUSH2 0x1847 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x842 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x856 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x0 DUP3 RETURNDATACOPY PUSH1 0x1F RETURNDATASIZE SWAP1 DUP2 ADD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 AND DUP3 ADD PUSH1 0x40 MSTORE PUSH2 0x89C SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x1203 JUMP JUMPDEST SWAP2 POP PUSH2 0x293 DUP5 DUP5 JUMPDEST PUSH1 0x60 PUSH1 0x0 PUSH1 0x60 PUSH1 0x0 DUP6 MLOAD SWAP3 POP DUP3 PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x8EA JUMPI DUP2 PUSH1 0x20 ADD JUMPDEST PUSH2 0x8D7 PUSH2 0xCF0 JUMP JUMPDEST DUP2 MSTORE PUSH1 0x20 ADD SWAP1 PUSH1 0x1 SWAP1 SUB SWAP1 DUP2 PUSH2 0x8CF JUMPI SWAP1 POP JUMPDEST POP SWAP2 POP PUSH1 0x0 SWAP1 POP JUMPDEST DUP1 DUP4 EQ PUSH2 0x951 JUMPI PUSH2 0x931 DUP7 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x90A JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP7 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x922 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0xA86 JUMP JUMPDEST DUP3 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x93F JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MSTORE PUSH1 0x1 ADD PUSH2 0x8F2 JUMP JUMPDEST DUP2 SWAP4 POP JUMPDEST POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x40 MLOAD PUSH32 0x6352211E00000000000000000000000000000000000000000000000000000000 DUP2 MSTORE DUP3 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x20 DUP2 PUSH1 0x24 DUP4 DUP8 GAS STATICCALL DUP1 ISZERO PUSH2 0x9A0 JUMPI DUP2 MLOAD SWAP3 POP JUMPDEST POP POP JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x0 PUSH1 0x60 DUP1 PUSH1 0x0 DUP7 MLOAD SWAP4 POP DUP4 PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x9E1 JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP3 POP DUP4 PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0xA0E JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP2 POP PUSH1 0x0 SWAP1 POP JUMPDEST DUP1 DUP5 EQ PUSH2 0xA79 JUMPI PUSH2 0xA3E DUP9 DUP9 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA2F JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x29C JUMP JUMPDEST DUP5 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA4C JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD DUP5 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA63 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD SWAP2 SWAP1 SWAP2 MSTORE MSTORE PUSH1 0x1 ADD PUSH2 0xA16 JUMP JUMPDEST POP SWAP1 SWAP7 SWAP1 SWAP6 POP SWAP4 POP POP POP POP JUMP JUMPDEST PUSH2 0xA8E PUSH2 0xCF0 JUMP JUMPDEST PUSH1 0x60 PUSH2 0xAA3 DUP5 PUSH1 0x0 ADD MLOAD DUP6 PUSH2 0x140 ADD MLOAD PUSH2 0x29C JUMP JUMPDEST PUSH1 0x20 DUP5 ADD MSTORE DUP3 MSTORE PUSH2 0x160 DUP5 ADD MLOAD PUSH2 0xABB SWAP1 DUP5 SWAP1 PUSH2 0x29C JUMP JUMPDEST PUSH1 0x60 DUP5 ADD MSTORE PUSH1 0x40 DUP1 DUP5 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0x1 DUP1 SLOAD DUP3 MLOAD PUSH1 0x20 PUSH1 0x1F PUSH1 0x2 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH2 0x100 DUP7 DUP9 AND ISZERO MUL ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV SWAP3 DUP4 ADD DUP2 SWAP1 DIV DUP2 MUL DUP3 ADD DUP2 ADD SWAP1 SWAP5 MSTORE DUP2 DUP2 MSTORE SWAP3 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0xB6A JUMPI DUP1 PUSH1 0x1F LT PUSH2 0xB3F JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0xB6A JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0xB4D JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP SWAP1 POP PUSH2 0xB7F DUP5 PUSH1 0x0 ADD MLOAD DUP3 PUSH2 0x29C JUMP JUMPDEST PUSH1 0xA0 DUP5 ADD MSTORE PUSH1 0x80 DUP4 ADD MSTORE PUSH2 0xB93 DUP4 DUP3 PUSH2 0x29C JUMP JUMPDEST PUSH1 0xE0 DUP5 ADD MSTORE PUSH1 0xC0 DUP4 ADD MSTORE POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x4 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0xBE6 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x7B7 SWAP1 PUSH2 0x18CC JUMP JUMPDEST POP ADD PUSH1 0x20 ADD MLOAD PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x14 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0xC53 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x7B7 SWAP1 PUSH2 0x18BC JUMP JUMPDEST POP ADD PUSH1 0x14 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP4 DUP4 PUSH2 0xC85 JUMP JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x20 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0xCC7 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x7B7 SWAP1 PUSH2 0x189C JUMP JUMPDEST POP ADD PUSH1 0x20 ADD MLOAD SWAP1 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x60 DUP2 ADD DUP3 MSTORE PUSH1 0x0 DUP1 DUP3 MSTORE PUSH1 0x20 DUP3 ADD DUP2 SWAP1 MSTORE SWAP2 DUP2 ADD SWAP2 SWAP1 SWAP2 MSTORE SWAP1 JUMP JUMPDEST PUSH2 0x100 PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE POP SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP3 CALLDATALOAD PUSH2 0x19D9 JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP3 MLOAD PUSH2 0x19D9 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0xD5F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0xD72 PUSH2 0xD6D DUP3 PUSH2 0x1968 JUMP JUMPDEST PUSH2 0x1941 JUMP JUMPDEST SWAP2 POP DUP2 DUP2 DUP4 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH1 0x20 DUP2 ADD SWAP1 POP DUP4 DUP6 PUSH1 0x20 DUP5 MUL DUP3 ADD GT ISZERO PUSH2 0xD97 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0xDC3 JUMPI DUP2 PUSH2 0xDAD DUP9 DUP3 PUSH2 0xD36 JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0xD9A JUMP JUMPDEST POP POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0xDDE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0xDEC PUSH2 0xD6D DUP3 PUSH2 0x1968 JUMP JUMPDEST DUP2 DUP2 MSTORE PUSH1 0x20 SWAP4 DUP5 ADD SWAP4 SWAP1 SWAP3 POP DUP3 ADD DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0xDC3 JUMPI DUP2 CALLDATALOAD DUP7 ADD PUSH2 0xE14 DUP9 DUP3 PUSH2 0xF11 JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0xDFE JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0xE3B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 MLOAD PUSH2 0xE49 PUSH2 0xD6D DUP3 PUSH2 0x1968 JUMP JUMPDEST SWAP2 POP DUP2 DUP2 DUP4 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH1 0x20 DUP2 ADD SWAP1 POP DUP4 DUP6 PUSH1 0x60 DUP5 MUL DUP3 ADD GT ISZERO PUSH2 0xE6E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0xDC3 JUMPI DUP2 PUSH2 0xE84 DUP9 DUP3 PUSH2 0xF57 JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x60 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0xE71 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0xEAD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0xEBB PUSH2 0xD6D DUP3 PUSH2 0x1968 JUMP JUMPDEST DUP2 DUP2 MSTORE PUSH1 0x20 SWAP4 DUP5 ADD SWAP4 SWAP1 SWAP3 POP DUP3 ADD DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0xDC3 JUMPI DUP2 CALLDATALOAD DUP7 ADD PUSH2 0xEE3 DUP9 DUP3 PUSH2 0xFB2 JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0xECD JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP3 MLOAD PUSH2 0x1A20 JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP3 MLOAD PUSH2 0x19F2 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0xF22 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0xF30 PUSH2 0xD6D DUP3 PUSH2 0x1989 JUMP JUMPDEST SWAP2 POP DUP1 DUP3 MSTORE PUSH1 0x20 DUP4 ADD PUSH1 0x20 DUP4 ADD DUP6 DUP4 DUP4 ADD GT ISZERO PUSH2 0xF4C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x955 DUP4 DUP3 DUP5 PUSH2 0x1A25 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x60 DUP3 DUP5 SUB SLT ISZERO PUSH2 0xF69 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0xF73 PUSH1 0x60 PUSH2 0x1941 JUMP JUMPDEST SWAP1 POP PUSH1 0x0 PUSH2 0xF81 DUP5 DUP5 PUSH2 0x1107 JUMP JUMPDEST DUP3 MSTORE POP PUSH1 0x20 PUSH2 0xF92 DUP5 DUP5 DUP4 ADD PUSH2 0xF05 JUMP JUMPDEST PUSH1 0x20 DUP4 ADD MSTORE POP PUSH1 0x40 PUSH2 0xFA6 DUP5 DUP3 DUP6 ADD PUSH2 0xF05 JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MSTORE POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x180 DUP3 DUP5 SUB SLT ISZERO PUSH2 0xFC5 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0xFD0 PUSH2 0x180 PUSH2 0x1941 JUMP JUMPDEST SWAP1 POP PUSH1 0x0 PUSH2 0xFDE DUP5 DUP5 PUSH2 0xD36 JUMP JUMPDEST DUP3 MSTORE POP PUSH1 0x20 PUSH2 0xFEF DUP5 DUP5 DUP4 ADD PUSH2 0xD36 JUMP JUMPDEST PUSH1 0x20 DUP4 ADD MSTORE POP PUSH1 0x40 PUSH2 0x1003 DUP5 DUP3 DUP6 ADD PUSH2 0xD36 JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MSTORE POP PUSH1 0x60 PUSH2 0x1017 DUP5 DUP3 DUP6 ADD PUSH2 0xD36 JUMP JUMPDEST PUSH1 0x60 DUP4 ADD MSTORE POP PUSH1 0x80 PUSH2 0x102B DUP5 DUP3 DUP6 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH1 0x80 DUP4 ADD MSTORE POP PUSH1 0xA0 PUSH2 0x103F DUP5 DUP3 DUP6 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH1 0xA0 DUP4 ADD MSTORE POP PUSH1 0xC0 PUSH2 0x1053 DUP5 DUP3 DUP6 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH1 0xC0 DUP4 ADD MSTORE POP PUSH1 0xE0 PUSH2 0x1067 DUP5 DUP3 DUP6 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH1 0xE0 DUP4 ADD MSTORE POP PUSH2 0x100 PUSH2 0x107C DUP5 DUP3 DUP6 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH2 0x100 DUP4 ADD MSTORE POP PUSH2 0x120 PUSH2 0x1092 DUP5 DUP3 DUP6 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH2 0x120 DUP4 ADD MSTORE POP PUSH2 0x140 DUP3 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x10B4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x10C0 DUP5 DUP3 DUP6 ADD PUSH2 0xF11 JUMP JUMPDEST PUSH2 0x140 DUP4 ADD MSTORE POP PUSH2 0x160 DUP3 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x10E2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x10EE DUP5 DUP3 DUP6 ADD PUSH2 0xF11 JUMP JUMPDEST PUSH2 0x160 DUP4 ADD MSTORE POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP3 CALLDATALOAD PUSH2 0x19F2 JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP3 MLOAD PUSH2 0x1A1A JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x1125 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x1131 DUP5 DUP5 PUSH2 0xD42 JUMP JUMPDEST SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x114C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x1158 DUP6 DUP6 PUSH2 0xD36 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 DUP4 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1175 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1181 DUP6 DUP3 DUP7 ADD PUSH2 0xDCD JUMP JUMPDEST SWAP2 POP POP SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x119E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x11AA DUP6 DUP6 PUSH2 0xD36 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 DUP4 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x11C7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1181 DUP6 DUP3 DUP7 ADD PUSH2 0xF11 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x11E6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x11F2 DUP6 DUP6 PUSH2 0xD36 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 PUSH2 0x1181 DUP6 DUP3 DUP7 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x1215 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 MLOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x122C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1131 DUP5 DUP3 DUP6 ADD PUSH2 0xE2A JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x124B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP3 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1262 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x126E DUP6 DUP3 DUP7 ADD PUSH2 0xE9C JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 DUP4 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x128B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1181 DUP6 DUP3 DUP7 ADD PUSH2 0xD4E JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x12A9 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x1131 DUP5 DUP5 PUSH2 0xEF9 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x60 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x12C7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x1131 DUP5 DUP5 PUSH2 0xF57 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x12E6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP3 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x12FD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1309 DUP6 DUP3 DUP7 ADD PUSH2 0xFB2 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 PUSH2 0x1181 DUP6 DUP3 DUP7 ADD PUSH2 0xD36 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x132C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x1131 DUP5 DUP5 PUSH2 0xF05 JUMP JUMPDEST PUSH2 0x1341 DUP2 PUSH2 0x19D9 JUMP JUMPDEST DUP3 MSTORE POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x1352 DUP3 PUSH2 0x19D5 JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH2 0x1364 DUP4 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP3 DUP2 LT ISZERO PUSH2 0x1394 JUMPI PUSH2 0x137A DUP7 DUP4 MLOAD PUSH2 0x1619 JUMP JUMPDEST PUSH2 0x1383 DUP3 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x60 SWAP7 SWAP1 SWAP7 ADD SWAP6 SWAP2 POP PUSH1 0x1 ADD PUSH2 0x1367 JUMP JUMPDEST POP SWAP4 SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x13A9 DUP3 PUSH2 0x19D5 JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP DUP4 PUSH1 0x20 DUP3 MUL DUP6 ADD PUSH2 0x13C2 DUP6 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP5 DUP2 LT ISZERO PUSH2 0x13F9 JUMPI DUP4 DUP4 SUB DUP9 MSTORE PUSH2 0x13DD DUP4 DUP4 MLOAD PUSH2 0x1656 JUMP JUMPDEST SWAP3 POP PUSH2 0x13E8 DUP3 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x20 SWAP9 SWAP1 SWAP9 ADD SWAP8 SWAP2 POP PUSH1 0x1 ADD PUSH2 0x13C5 JUMP JUMPDEST POP SWAP1 SWAP7 SWAP6 POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x1410 DUP3 PUSH2 0x19D5 JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH2 0x1422 DUP4 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP3 DUP2 LT ISZERO PUSH2 0x1394 JUMPI PUSH2 0x1438 DUP7 DUP4 MLOAD PUSH2 0x1759 JUMP JUMPDEST PUSH2 0x1441 DUP3 PUSH2 0x19CF JUMP JUMPDEST PUSH2 0x100 SWAP7 SWAP1 SWAP7 ADD SWAP6 SWAP2 POP PUSH1 0x1 ADD PUSH2 0x1425 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x145E DUP3 PUSH2 0x19D5 JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH2 0x1470 DUP4 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP3 DUP2 LT ISZERO PUSH2 0x1394 JUMPI PUSH2 0x1486 DUP7 DUP4 MLOAD PUSH2 0x14A0 JUMP JUMPDEST PUSH2 0x148F DUP3 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x20 SWAP7 SWAP1 SWAP7 ADD SWAP6 SWAP2 POP PUSH1 0x1 ADD PUSH2 0x1473 JUMP JUMPDEST PUSH2 0x1341 DUP2 PUSH2 0x19F2 JUMP JUMPDEST PUSH2 0x1341 DUP2 PUSH2 0x19F5 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x14BD DUP3 PUSH2 0x19D5 JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH2 0x14D1 DUP2 PUSH1 0x20 DUP7 ADD PUSH1 0x20 DUP7 ADD PUSH2 0x1A31 JUMP JUMPDEST PUSH2 0x14DA DUP2 PUSH2 0x1A5D JUMP JUMPDEST SWAP1 SWAP4 ADD PUSH1 0x20 ADD SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x26 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F33325F4C454E4754485F5245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5155495245440000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x17 DUP2 MSTORE PUSH32 0x554E535550504F525445445F41535345545F50524F5859000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x26 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F32305F4C454E4754485F5245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5155495245440000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x25 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F345F4C454E4754485F524551 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5549524544000000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST DUP1 MLOAD PUSH1 0x60 DUP4 ADD SWAP1 PUSH2 0x162A DUP5 DUP3 PUSH2 0x17F0 JUMP JUMPDEST POP PUSH1 0x20 DUP3 ADD MLOAD PUSH2 0x163D PUSH1 0x20 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0x40 DUP3 ADD MLOAD PUSH2 0x1650 PUSH1 0x40 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP POP POP POP JUMP JUMPDEST DUP1 MLOAD PUSH1 0x0 SWAP1 PUSH2 0x180 DUP5 ADD SWAP1 PUSH2 0x166B DUP6 DUP3 PUSH2 0x1338 JUMP JUMPDEST POP PUSH1 0x20 DUP4 ADD MLOAD PUSH2 0x167E PUSH1 0x20 DUP7 ADD DUP3 PUSH2 0x1338 JUMP JUMPDEST POP PUSH1 0x40 DUP4 ADD MLOAD PUSH2 0x1691 PUSH1 0x40 DUP7 ADD DUP3 PUSH2 0x1338 JUMP JUMPDEST POP PUSH1 0x60 DUP4 ADD MLOAD PUSH2 0x16A4 PUSH1 0x60 DUP7 ADD DUP3 PUSH2 0x1338 JUMP JUMPDEST POP PUSH1 0x80 DUP4 ADD MLOAD PUSH2 0x16B7 PUSH1 0x80 DUP7 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0xA0 DUP4 ADD MLOAD PUSH2 0x16CA PUSH1 0xA0 DUP7 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0xC0 DUP4 ADD MLOAD PUSH2 0x16DD PUSH1 0xC0 DUP7 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0xE0 DUP4 ADD MLOAD PUSH2 0x16F0 PUSH1 0xE0 DUP7 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH2 0x100 DUP4 ADD MLOAD PUSH2 0x1705 PUSH2 0x100 DUP7 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH2 0x120 DUP4 ADD MLOAD PUSH2 0x171A PUSH2 0x120 DUP7 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH2 0x140 DUP4 ADD MLOAD DUP5 DUP3 SUB PUSH2 0x140 DUP7 ADD MSTORE PUSH2 0x1734 DUP3 DUP3 PUSH2 0x14B2 JUMP JUMPDEST SWAP2 POP POP PUSH2 0x160 DUP4 ADD MLOAD DUP5 DUP3 SUB PUSH2 0x160 DUP7 ADD MSTORE PUSH2 0x1750 DUP3 DUP3 PUSH2 0x14B2 JUMP JUMPDEST SWAP6 SWAP5 POP POP POP POP POP JUMP JUMPDEST DUP1 MLOAD PUSH2 0x100 DUP4 ADD SWAP1 PUSH2 0x176B DUP5 DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0x20 DUP3 ADD MLOAD PUSH2 0x177E PUSH1 0x20 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0x40 DUP3 ADD MLOAD PUSH2 0x1791 PUSH1 0x40 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0x60 DUP3 ADD MLOAD PUSH2 0x17A4 PUSH1 0x60 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0x80 DUP3 ADD MLOAD PUSH2 0x17B7 PUSH1 0x80 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0xA0 DUP3 ADD MLOAD PUSH2 0x17CA PUSH1 0xA0 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0xC0 DUP3 ADD MLOAD PUSH2 0x17DD PUSH1 0xC0 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0xE0 DUP3 ADD MLOAD PUSH2 0x1650 PUSH1 0xE0 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST PUSH2 0x1341 DUP2 PUSH2 0x1A1A JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x9A3 DUP3 DUP5 PUSH2 0x1338 JUMP JUMPDEST PUSH1 0x40 DUP2 ADD PUSH2 0x1815 DUP3 DUP6 PUSH2 0x1338 JUMP JUMPDEST PUSH2 0xC7E PUSH1 0x20 DUP4 ADD DUP5 PUSH2 0x1338 JUMP JUMPDEST PUSH1 0x40 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x1833 DUP2 DUP6 PUSH2 0x1347 JUMP JUMPDEST SWAP1 POP DUP2 DUP2 SUB PUSH1 0x20 DUP4 ADD MSTORE PUSH2 0x1131 DUP2 DUP5 PUSH2 0x1405 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0xC7E DUP2 DUP5 PUSH2 0x139E JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0xC7E DUP2 DUP5 PUSH2 0x1405 JUMP JUMPDEST PUSH1 0x40 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x187A DUP2 DUP6 PUSH2 0x1453 JUMP JUMPDEST SWAP1 POP DUP2 DUP2 SUB PUSH1 0x20 DUP4 ADD MSTORE PUSH2 0x1131 DUP2 DUP5 PUSH2 0x1453 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x9A3 DUP3 DUP5 PUSH2 0x14A9 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x9A3 DUP2 PUSH2 0x14E7 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x9A3 DUP2 PUSH2 0x153D JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x9A3 DUP2 PUSH2 0x156D JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x9A3 DUP2 PUSH2 0x15C3 JUMP JUMPDEST PUSH2 0x160 DUP2 ADD PUSH2 0x18EB DUP3 DUP6 PUSH2 0x1619 JUMP JUMPDEST PUSH2 0xC7E PUSH1 0x60 DUP4 ADD DUP5 PUSH2 0x1759 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0xC7E DUP2 DUP5 PUSH2 0x1656 JUMP JUMPDEST PUSH2 0x100 DUP2 ADD PUSH2 0x9A3 DUP3 DUP5 PUSH2 0x1759 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x9A3 DUP3 DUP5 PUSH2 0x14A0 JUMP JUMPDEST PUSH1 0x40 DUP2 ADD PUSH2 0x1934 DUP3 DUP6 PUSH2 0x14A0 JUMP JUMPDEST PUSH2 0xC7E PUSH1 0x20 DUP4 ADD DUP5 PUSH2 0x14A0 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP2 DUP2 ADD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT DUP3 DUP3 LT OR ISZERO PUSH2 0x1960 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x40 MSTORE SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH8 0xFFFFFFFFFFFFFFFF DUP3 GT ISZERO PUSH2 0x197F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x20 SWAP1 DUP2 MUL ADD SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH8 0xFFFFFFFFFFFFFFFF DUP3 GT ISZERO PUSH2 0x19A0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x20 PUSH1 0x1F SWAP2 SWAP1 SWAP2 ADD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 AND ADD SWAP1 JUMP JUMPDEST PUSH1 0x20 ADD SWAP1 JUMP JUMPDEST MLOAD SWAP1 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST SWAP1 JUMP JUMPDEST PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND SWAP1 JUMP JUMPDEST PUSH1 0xFF AND 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- } - } - }, - "sources": { - "2.0.0/extensions/Forwarder/Forwarder.sol": { - "id": 0 - }, - "2.0.0/extensions/Forwarder/MixinAssets.sol": { - "id": 1 - }, - "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": { - "id": 2 - }, - "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": { - "id": 3 - }, - "2.0.0/extensions/Forwarder/MixinWeth.sol": { - "id": 4 - }, - "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": { - "id": 5 - }, - "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": { - "id": 6 - }, - "2.0.0/extensions/Forwarder/libs/LibConstants.sol": { - "id": 7 - }, - "2.0.0/extensions/Forwarder/mixins/MAssets.sol": { - "id": 8 - }, - "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": { - "id": 9 - }, - "2.0.0/extensions/Forwarder/mixins/MWeth.sol": { - "id": 10 - }, - "2.0.0/extensions/OrderValidator/OrderValidator.sol": { - "id": 11 - }, - "2.0.0/multisig/MultiSigWallet.sol": { - "id": 12 - }, - "2.0.0/multisig/MultiSigWalletWithTimeLock.sol": { - "id": 13 - }, - "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": { - "id": 14 - }, - "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": { - "id": 15 - }, - "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": { - "id": 16 - }, - "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": { - "id": 17 - }, - "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": { - "id": 18 - }, - "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": { - "id": 19 - }, - "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": { - "id": 20 - }, - "2.0.0/protocol/Exchange/Exchange.sol": { - "id": 21 - }, - "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": { - "id": 22 - }, - "2.0.0/protocol/Exchange/MixinExchangeCore.sol": { - "id": 23 - }, - "2.0.0/protocol/Exchange/MixinMatchOrders.sol": { - "id": 24 - }, - "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": { - "id": 25 - }, - "2.0.0/protocol/Exchange/MixinTransactions.sol": { - "id": 26 - }, - "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": { - "id": 27 - }, - "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": { - "id": 28 - }, - "2.0.0/protocol/Exchange/interfaces/IExchange.sol": { - "id": 29 - }, - "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": { - "id": 30 - }, - "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": { - "id": 31 - }, - "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": { - "id": 32 - }, - "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": { - "id": 33 - }, - "2.0.0/protocol/Exchange/interfaces/IValidator.sol": { - "id": 34 - }, - "2.0.0/protocol/Exchange/interfaces/IWallet.sol": { - "id": 35 - }, - "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": { - "id": 36 - }, - "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": { - "id": 37 - }, - "2.0.0/protocol/Exchange/libs/LibConstants.sol": { - "id": 38 - }, - "2.0.0/protocol/Exchange/libs/LibEIP712.sol": { - "id": 39 - }, - "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": { - "id": 40 - }, - 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http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinWeth.sol\";\nimport \"./MixinForwarderCore.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinAssets.sol\";\nimport \"./MixinExchangeWrapper.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Forwarder is\n LibConstants,\n MixinWeth,\n MixinAssets,\n MixinExchangeWrapper,\n MixinForwarderCore\n{\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n LibConstants(\n _exchange,\n _zrxAssetData,\n _wethAssetData\n )\n MixinForwarderCore()\n {}\n}\n", - "2.0.0/extensions/Forwarder/MixinAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MAssets.sol\";\n\n\ncontract MixinAssets is\n Ownable,\n LibConstants,\n MAssets\n{\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256(\"transfer(address,uint256)\"));\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external\n onlyOwner\n {\n transferAssetToSender(assetData, amount);\n }\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n bytes4 proxyId = assetData.readBytes4(0);\n\n if (proxyId == ERC20_DATA_ID) {\n transferERC20Token(assetData, amount);\n } else if (proxyId == ERC721_DATA_ID) {\n transferERC721Token(assetData, amount);\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n }\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n address token = assetData.readAddress(16);\n\n // Transfer tokens.\n // We do a raw call so we can check the success separate\n // from the return data.\n bool success = token.call(abi.encodeWithSelector(\n ERC20_TRANSFER_SELECTOR,\n msg.sender,\n amount\n ));\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n \n // Check return data.\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // value that evaluates to true.\n assembly {\n if returndatasize {\n success := 0\n if eq(returndatasize, 32) {\n // First 64 bytes of memory are reserved scratch space\n returndatacopy(0, 0, 32)\n success := mload(0)\n }\n }\n }\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n }\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n require(\n amount == 1,\n \"INVALID_AMOUNT\"\n );\n // Decode asset data.\n address token = assetData.readAddress(16);\n uint256 tokenId = assetData.readUint256(36);\n\n // Perform transfer.\n IERC721Token(token).transferFrom(\n address(this),\n msg.sender,\n tokenId\n );\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"../../protocol/Exchange/libs/LibAbiEncoder.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinExchangeWrapper is\n LibAbiEncoder,\n LibFillResults,\n LibMath,\n LibConstants,\n MExchangeWrapper\n{\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n address exchange = address(EXCHANGE);\n\n // Call `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := call(\n gas, // forward all gas\n exchange, // call address of Exchange contract\n 0, // transfer 0 wei\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of WETH to sell\n uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of WETH\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount;\n if (makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n\n require(\n makerAssetFilledAmount >= makerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n // Do nothing if zrxBuyAmount == 0\n if (zrxBuyAmount == 0) {\n return totalFillResults;\n }\n\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n uint256 zrxPurchased = 0;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // All of these are ZRX/WETH, so we can drop the respective assetData from calldata.\n orders[i].makerAssetData = zrxAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of ZRX to buy.\n uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased);\n\n // Convert the remaining amount of ZRX to buy into remaining amount\n // of WETH to sell, assuming entire amount can be sold in the current order.\n uint256 remainingWethSellAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees \n remainingZrxBuyAmount\n );\n\n // Attempt to sell the remaining amount of WETH.\n FillResults memory singleFillResult = fillOrderNoThrow(\n orders[i],\n safeAdd(remainingWethSellAmount, 1), // we add 1 wei to the fill amount to make up for rounding errors\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker.\n addFillResults(totalFillResults, singleFillResult);\n zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid);\n\n // Stop execution if the entire amount of ZRX has been bought.\n if (zrxPurchased >= zrxBuyAmount) {\n break;\n }\n }\n\n require(\n zrxPurchased >= zrxBuyAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\nimport \"./mixins/MAssets.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"./interfaces/IForwarderCore.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinForwarderCore is\n LibFillResults,\n LibMath,\n LibConstants,\n MWeth,\n MAssets,\n MExchangeWrapper,\n IForwarderCore\n{\n using LibBytes for bytes;\n\n /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf.\n constructor ()\n public\n {\n address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID);\n require(\n proxyAddress != address(0),\n \"UNREGISTERED_ASSET_PROXY\"\n );\n ETHER_TOKEN.approve(proxyAddress, MAX_UINT);\n ZRX_TOKEN.approve(proxyAddress, MAX_UINT);\n }\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 wethSellAmount;\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // Calculate amount of WETH that won't be spent on ETH fees.\n wethSellAmount = getPartialAmountFloor(\n PERCENTAGE_DENOMINATOR,\n safeAdd(PERCENTAGE_DENOMINATOR, feePercentage),\n msg.value\n );\n // Market sell available WETH.\n // ZRX fees are paid with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // 5% of WETH is reserved for filling feeOrders and paying feeRecipient.\n wethSellAmount = getPartialAmountFloor(\n MAX_WETH_FILL_PERCENTAGE,\n PERCENTAGE_DENOMINATOR,\n msg.value\n );\n // Market sell 95% of WETH.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // If the makerAsset is ZRX, it is not necessary to pay fees out of this\n // contracts's ZRX balance because fees are factored into the price of the order.\n orderFillResults = marketBuyExactZrxWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // Attemp to purchase desired amount of makerAsset.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketBuyExactAmountWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\n\n\ncontract MixinWeth is\n LibMath,\n LibConstants,\n MWeth\n{\n /// @dev Default payabale function, this allows us to withdraw WETH\n function ()\n public\n payable\n {\n require(\n msg.sender == address(ETHER_TOKEN),\n \"DEFAULT_FUNCTION_WETH_CONTRACT_ONLY\"\n );\n }\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal\n {\n require(\n msg.value > 0,\n \"INVALID_MSG_VALUE\"\n );\n ETHER_TOKEN.deposit.value(msg.value)();\n }\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal\n {\n // Ensure feePercentage is less than 5%.\n require(\n feePercentage <= MAX_FEE_PERCENTAGE,\n \"FEE_PERCENTAGE_TOO_LARGE\"\n );\n\n // Ensure that no extra WETH owned by this contract has been sold.\n uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx);\n require(\n wethSold <= msg.value,\n \"OVERSOLD_WETH\"\n );\n\n // Calculate amount of WETH that hasn't been sold.\n uint256 wethRemaining = safeSub(msg.value, wethSold);\n\n // Calculate ETH fee to pay to feeRecipient.\n uint256 ethFee = getPartialAmountFloor(\n feePercentage,\n PERCENTAGE_DENOMINATOR,\n wethSoldExcludingFeeOrders\n );\n\n // Ensure fee is less than amount of WETH remaining.\n require(\n ethFee <= wethRemaining,\n \"INSUFFICIENT_ETH_REMAINING\"\n );\n \n // Do nothing if no WETH remaining\n if (wethRemaining > 0) {\n // Convert remaining WETH to ETH\n ETHER_TOKEN.withdraw(wethRemaining);\n\n // Pay ETH to feeRecipient\n if (ethFee > 0) {\n feeRecipient.transfer(ethFee);\n }\n\n // Refund remaining ETH to msg.sender.\n uint256 ethRefund = safeSub(wethRemaining, ethFee);\n if (ethRefund > 0) {\n msg.sender.transfer(ethRefund);\n }\n }\n }\n}\n", - "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssets {\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external;\n}\n", - "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract IForwarderCore {\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n}\n", - "2.0.0/extensions/Forwarder/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/LibBytes/LibBytes.sol\";\nimport \"../../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../../tokens/EtherToken/IEtherToken.sol\";\nimport \"../../../tokens/ERC20Token/IERC20Token.sol\";\n\n\ncontract LibConstants {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n uint256 constant internal MAX_UINT = 2**256 - 1;\n uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; \n uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5%\n uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95%\n \n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n IEtherToken internal ETHER_TOKEN;\n IERC20Token internal ZRX_TOKEN;\n bytes internal ZRX_ASSET_DATA;\n bytes internal WETH_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n WETH_ASSET_DATA = _wethAssetData;\n\n address etherToken = _wethAssetData.readAddress(16);\n address zrxToken = _zrxAssetData.readAddress(16);\n ETHER_TOKEN = IEtherToken(etherToken);\n ZRX_TOKEN = IERC20Token(zrxToken);\n }\n}\n", - "2.0.0/extensions/Forwarder/mixins/MAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssets.sol\";\n\n\ncontract MAssets is\n IAssets\n{\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n}\n", - "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract MExchangeWrapper {\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n}\n", - "2.0.0/extensions/Forwarder/mixins/MWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract MWeth {\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal;\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal;\n}\n", - "2.0.0/extensions/OrderValidator/OrderValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract OrderValidator {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n struct TraderInfo {\n uint256 makerBalance; // Maker's balance of makerAsset\n uint256 makerAllowance; // Maker's allowance to corresponding AssetProxy\n uint256 takerBalance; // Taker's balance of takerAsset\n uint256 takerAllowance; // Taker's allowance to corresponding AssetProxy\n uint256 makerZrxBalance; // Maker's balance of ZRX\n uint256 makerZrxAllowance; // Maker's allowance of ZRX to ERC20Proxy\n uint256 takerZrxBalance; // Taker's balance of ZRX\n uint256 takerZrxAllowance; // Taker's allowance of ZRX to ERC20Proxy\n }\n\n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n bytes internal ZRX_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (address _exchange, bytes memory _zrxAssetData)\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n }\n\n /// @dev Fetches information for order and maker/taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return OrderInfo and TraderInfo instances for given order.\n function getOrderAndTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo, TraderInfo memory traderInfo)\n {\n orderInfo = EXCHANGE.getOrderInfo(order);\n traderInfo = getTraderInfo(order, takerAddress);\n return (orderInfo, traderInfo);\n }\n\n /// @dev Fetches information for all passed in orders and the makers/takers of each order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Arrays of OrderInfo and TraderInfo instances that correspond to each order.\n function getOrdersAndTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (LibOrder.OrderInfo[] memory ordersInfo, TraderInfo[] memory tradersInfo)\n {\n ordersInfo = EXCHANGE.getOrdersInfo(orders);\n tradersInfo = getTradersInfo(orders, takerAddresses);\n return (ordersInfo, tradersInfo);\n }\n\n /// @dev Fetches balance and allowances for maker and taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return Balances and allowances of maker and taker of order.\n function getTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (TraderInfo memory traderInfo)\n {\n (traderInfo.makerBalance, traderInfo.makerAllowance) = getBalanceAndAllowance(order.makerAddress, order.makerAssetData);\n (traderInfo.takerBalance, traderInfo.takerAllowance) = getBalanceAndAllowance(takerAddress, order.takerAssetData);\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n (traderInfo.makerZrxBalance, traderInfo.makerZrxAllowance) = getBalanceAndAllowance(order.makerAddress, zrxAssetData);\n (traderInfo.takerZrxBalance, traderInfo.takerZrxAllowance) = getBalanceAndAllowance(takerAddress, zrxAssetData);\n return traderInfo;\n }\n\n /// @dev Fetches balances and allowances of maker and taker for each provided order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Array of balances and allowances for maker and taker of each order.\n function getTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (TraderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n TraderInfo[] memory tradersInfo = new TraderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n tradersInfo[i] = getTraderInfo(orders[i], takerAddresses[i]);\n }\n return tradersInfo;\n }\n\n /// @dev Fetches token balances and allowances of an address to given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Encoded data that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balance of asset and allowance set to given proxy of asset.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalanceAndAllowance(address target, bytes memory assetData)\n public\n view\n returns (uint256 balance, uint256 allowance)\n {\n bytes4 assetProxyId = assetData.readBytes4(0);\n address token = assetData.readAddress(16);\n address assetProxy = EXCHANGE.getAssetProxy(assetProxyId);\n\n if (assetProxyId == ERC20_DATA_ID) {\n // Query balance\n balance = IERC20Token(token).balanceOf(target);\n\n // Query allowance\n allowance = IERC20Token(token).allowance(target, assetProxy);\n } else if (assetProxyId == ERC721_DATA_ID) {\n uint256 tokenId = assetData.readUint256(36);\n\n // Query owner of tokenId\n address owner = getERC721TokenOwner(token, tokenId);\n\n // Set balance to 1 if tokenId is owned by target\n balance = target == owner ? 1 : 0;\n\n // Check if ERC721Proxy is approved to spend tokenId\n bool isApproved = IERC721Token(token).isApprovedForAll(target, assetProxy) || IERC721Token(token).getApproved(tokenId) == assetProxy;\n \n // Set alowance to 1 if ERC721Proxy is approved to spend tokenId\n allowance = isApproved ? 1 : 0;\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n return (balance, allowance);\n }\n\n /// @dev Fetches token balances and allowances of an address for each given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Array of encoded byte arrays that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balances and allowances of assets.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalancesAndAllowances(address target, bytes[] memory assetData)\n public\n view\n returns (uint256[] memory, uint256[] memory)\n {\n uint256 length = assetData.length;\n uint256[] memory balances = new uint256[](length);\n uint256[] memory allowances = new uint256[](length);\n for (uint256 i = 0; i != length; i++) {\n (balances[i], allowances[i]) = getBalanceAndAllowance(target, assetData[i]);\n }\n return (balances, allowances);\n }\n\n /// @dev Calls `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token.\n /// @param token Address of ERC721 token.\n /// @param tokenId The identifier for the specific NFT.\n /// @return Owner of tokenId or null address if unowned.\n function getERC721TokenOwner(address token, uint256 tokenId)\n public\n view\n returns (address owner)\n {\n assembly {\n // load free memory pointer\n let cdStart := mload(64)\n\n // bytes4(keccak256(ownerOf(uint256))) = 0x6352211e\n mstore(cdStart, 0x6352211e00000000000000000000000000000000000000000000000000000000)\n mstore(add(cdStart, 4), tokenId)\n\n // staticcall `ownerOf(tokenId)`\n // `ownerOf` will revert if tokenId is not owned\n let success := staticcall(\n gas, // forward all gas\n token, // call token contract\n cdStart, // start of calldata\n 36, // length of input is 36 bytes\n cdStart, // write output over input\n 32 // size of output is 32 bytes\n )\n\n // Success implies that tokenId is owned\n // Copy owner from return data if successful\n if success {\n owner := mload(cdStart)\n } \n }\n\n // Owner initialized to address(0), no need to modify if call is unsuccessful\n return owner;\n }\n}\n", - "2.0.0/multisig/MultiSigWallet.sol": "// solhint-disable\npragma solidity ^0.4.15;\n\n\n/// @title Multisignature wallet - Allows multiple parties to agree on transactions before execution.\n/// @author Stefan George - \ncontract MultiSigWallet {\n\n /*\n * Events\n */\n event Confirmation(address indexed sender, uint indexed transactionId);\n event Revocation(address indexed sender, uint indexed transactionId);\n event Submission(uint indexed transactionId);\n event Execution(uint indexed transactionId);\n event ExecutionFailure(uint indexed transactionId);\n event Deposit(address indexed sender, uint value);\n event OwnerAddition(address indexed owner);\n event OwnerRemoval(address indexed owner);\n event RequirementChange(uint required);\n\n /*\n * Constants\n */\n uint constant public MAX_OWNER_COUNT = 50;\n\n /*\n * Storage\n */\n mapping (uint => Transaction) public transactions;\n mapping (uint => mapping (address => bool)) public confirmations;\n mapping (address => bool) public isOwner;\n address[] public owners;\n uint public required;\n uint public transactionCount;\n\n struct Transaction {\n address destination;\n uint value;\n bytes data;\n bool executed;\n }\n\n /*\n * Modifiers\n */\n modifier onlyWallet() {\n require(msg.sender == address(this));\n _;\n }\n\n modifier ownerDoesNotExist(address owner) {\n require(!isOwner[owner]);\n _;\n }\n\n modifier ownerExists(address owner) {\n require(isOwner[owner]);\n _;\n }\n\n modifier transactionExists(uint transactionId) {\n require(transactions[transactionId].destination != 0);\n _;\n }\n\n modifier confirmed(uint transactionId, address owner) {\n require(confirmations[transactionId][owner]);\n _;\n }\n\n modifier notConfirmed(uint transactionId, address owner) {\n require(!confirmations[transactionId][owner]);\n _;\n }\n\n modifier notExecuted(uint transactionId) {\n require(!transactions[transactionId].executed);\n _;\n }\n\n modifier notNull(address _address) {\n require(_address != 0);\n _;\n }\n\n modifier validRequirement(uint ownerCount, uint _required) {\n require(ownerCount <= MAX_OWNER_COUNT\n && _required <= ownerCount\n && _required != 0\n && ownerCount != 0);\n _;\n }\n\n /// @dev Fallback function allows to deposit ether.\n function()\n payable\n {\n if (msg.value > 0)\n Deposit(msg.sender, msg.value);\n }\n\n /*\n * Public functions\n */\n /// @dev Contract constructor sets initial owners and required number of confirmations.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n function MultiSigWallet(address[] _owners, uint _required)\n public\n validRequirement(_owners.length, _required)\n {\n for (uint i=0; i<_owners.length; i++) {\n require(!isOwner[_owners[i]] && _owners[i] != 0);\n isOwner[_owners[i]] = true;\n }\n owners = _owners;\n required = _required;\n }\n\n /// @dev Allows to add a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of new owner.\n function addOwner(address owner)\n public\n onlyWallet\n ownerDoesNotExist(owner)\n notNull(owner)\n validRequirement(owners.length + 1, required)\n {\n isOwner[owner] = true;\n owners.push(owner);\n OwnerAddition(owner);\n }\n\n /// @dev Allows to remove an owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner.\n function removeOwner(address owner)\n public\n onlyWallet\n ownerExists(owner)\n {\n isOwner[owner] = false;\n for (uint i=0; i owners.length)\n changeRequirement(owners.length);\n OwnerRemoval(owner);\n }\n\n /// @dev Allows to replace an owner with a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner to be replaced.\n /// @param newOwner Address of new owner.\n function replaceOwner(address owner, address newOwner)\n public\n onlyWallet\n ownerExists(owner)\n ownerDoesNotExist(newOwner)\n {\n for (uint i=0; i\n// solhint-disable not-rely-on-time\ncontract MultiSigWalletWithTimeLock is\n MultiSigWallet\n{\n event ConfirmationTimeSet(uint256 indexed transactionId, uint256 confirmationTime);\n event TimeLockChange(uint256 secondsTimeLocked);\n\n uint256 public secondsTimeLocked;\n\n mapping (uint256 => uint256) public confirmationTimes;\n\n modifier notFullyConfirmed(uint256 transactionId) {\n require(\n !isConfirmed(transactionId),\n \"TX_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier fullyConfirmed(uint256 transactionId) {\n require(\n isConfirmed(transactionId),\n \"TX_NOT_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier pastTimeLock(uint256 transactionId) {\n require(\n block.timestamp >= confirmationTimes[transactionId] + secondsTimeLocked,\n \"TIME_LOCK_INCOMPLETE\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations, and time lock.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] _owners,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWallet(_owners, _required)\n {\n secondsTimeLocked = _secondsTimeLocked;\n }\n\n /// @dev Changes the duration of the time lock for transactions.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n function changeTimeLock(uint256 _secondsTimeLocked)\n public\n onlyWallet\n {\n secondsTimeLocked = _secondsTimeLocked;\n emit TimeLockChange(_secondsTimeLocked);\n }\n\n /// @dev Allows an owner to confirm a transaction.\n /// @param transactionId Transaction ID.\n function confirmTransaction(uint256 transactionId)\n public\n ownerExists(msg.sender)\n transactionExists(transactionId)\n notConfirmed(transactionId, msg.sender)\n notFullyConfirmed(transactionId)\n {\n confirmations[transactionId][msg.sender] = true;\n emit Confirmation(msg.sender, transactionId);\n if (isConfirmed(transactionId)) {\n setConfirmationTime(transactionId, block.timestamp);\n }\n }\n\n /// @dev Allows anyone to execute a confirmed transaction.\n /// @param transactionId Transaction ID.\n function executeTransaction(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n pastTimeLock(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n\n /// @dev Sets the time of when a submission first passed.\n function setConfirmationTime(uint256 transactionId, uint256 confirmationTime)\n internal\n {\n confirmationTimes[transactionId] = confirmationTime;\n emit ConfirmationTimeSet(transactionId, confirmationTime);\n }\n}\n", - "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC20Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n \n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 1 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n\n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. amount |\n\n /////// Read token address from calldata ///////\n // * The token address is stored in `assetData`.\n //\n // * The \"offset to assetData\" is stored at offset 4 in the calldata (table 1).\n // [assetDataOffsetFromParams = calldataload(4)]\n //\n // * Notes that the \"offset to assetData\" is relative to the \"Params\" area of calldata;\n // add 4 bytes to account for the length of the \"Header\" area (table 1).\n // [assetDataOffsetFromHeader = assetDataOffsetFromParams + 4]\n //\n // * The \"token address\" is offset 32+4=36 bytes into \"assetData\" (tables 1 & 2).\n // [tokenOffset = assetDataOffsetFromHeader + 36 = calldataload(4) + 4 + 36]\n let token := calldataload(add(calldataload(4), 40))\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from`, `to` and `amount` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 96)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output over input\n 32 // output size should be 32 bytes\n )\n\n /////// Check return data. ///////\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // nonzero 32 bytes value.\n // So the transfer succeeded if the call succeeded and either\n // returned nothing, or returned a non-zero 32 byte value. \n success := and(success, or(\n iszero(returndatasize),\n and(\n eq(returndatasize, 32),\n gt(mload(0), 0)\n )\n ))\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", - "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC721Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 2 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n // | | 36 | | 2. tokenId |\n \n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. tokenId |\n\n // There exists only 1 of each token.\n // require(amount == 1, \"INVALID_AMOUNT\")\n if sub(calldataload(100), 1) {\n // Revert with `Error(\"INVALID_AMOUNT\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from` and `to` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 64)\n\n // Copy `tokenId` field from our own calldata to the new calldata.\n let assetDataOffset := calldataload(4)\n calldatacopy(68, add(assetDataOffset, 72), 32)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let token := calldataload(add(assetDataOffset, 40))\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output to null\n 0 // output size is 0 bytes\n )\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", - "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAuthorizable.sol\";\n\n\ncontract MixinAuthorizable is\n Ownable,\n MAuthorizable\n{\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized {\n require(\n authorized[msg.sender],\n \"SENDER_NOT_AUTHORIZED\"\n );\n _;\n }\n\n mapping (address => bool) public authorized;\n address[] public authorities;\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n !authorized[target],\n \"TARGET_ALREADY_AUTHORIZED\"\n );\n\n authorized[target] = true;\n authorities.push(target);\n emit AuthorizedAddressAdded(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n\n delete authorized[target];\n for (uint256 i = 0; i < authorities.length; i++) {\n if (authorities[i] == target) {\n authorities[i] = authorities[authorities.length - 1];\n authorities.length -= 1;\n break;\n }\n }\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n require(\n index < authorities.length,\n \"INDEX_OUT_OF_BOUNDS\"\n );\n require(\n authorities[index] == target,\n \"AUTHORIZED_ADDRESS_MISMATCH\"\n );\n\n delete authorized[target];\n authorities[index] = authorities[authorities.length - 1];\n authorities.length -= 1;\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory)\n {\n return authorities;\n }\n}\n", - "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IAuthorizable.sol\";\n\n\ncontract IAssetProxy is\n IAuthorizable\n{\n /// @dev Transfers assets. Either succeeds or throws.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n function transferFrom(\n bytes assetData,\n address from,\n address to,\n uint256 amount\n )\n external;\n \n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4);\n}\n", - "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/Ownable/IOwnable.sol\";\n\n\ncontract IAuthorizable is\n IOwnable\n{\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external;\n \n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory);\n}\n", - "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAuthorizable.sol\";\n\n\ncontract MAuthorizable is\n IAuthorizable\n{\n // Event logged when a new address is authorized.\n event AuthorizedAddressAdded(\n address indexed target,\n address indexed caller\n );\n\n // Event logged when a currently authorized address is unauthorized.\n event AuthorizedAddressRemoved(\n address indexed target,\n address indexed caller\n );\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized { revert(); _; }\n}\n", - "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../multisig/MultiSigWalletWithTimeLock.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract AssetProxyOwner is\n MultiSigWalletWithTimeLock\n{\n using LibBytes for bytes;\n\n event AssetProxyRegistration(address assetProxyContract, bool isRegistered);\n\n // Mapping of AssetProxy contract address =>\n // if this contract is allowed to call the AssetProxy's `removeAuthorizedAddressAtIndex` method without a time lock.\n mapping (address => bool) public isAssetProxyRegistered;\n\n bytes4 constant internal REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR = bytes4(keccak256(\"removeAuthorizedAddressAtIndex(address,uint256)\"));\n\n /// @dev Function will revert if the transaction does not call `removeAuthorizedAddressAtIndex`\n /// on an approved AssetProxy contract.\n modifier validRemoveAuthorizedAddressAtIndexTx(uint256 transactionId) {\n Transaction storage txn = transactions[transactionId];\n require(\n isAssetProxyRegistered[txn.destination],\n \"UNREGISTERED_ASSET_PROXY\"\n );\n require(\n txn.data.readBytes4(0) == REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR,\n \"INVALID_FUNCTION_SELECTOR\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations,\n /// time lock, and list of AssetProxy addresses.\n /// @param _owners List of initial owners.\n /// @param _assetProxyContracts Array of AssetProxy contract addresses.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] memory _owners,\n address[] memory _assetProxyContracts,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWalletWithTimeLock(_owners, _required, _secondsTimeLocked)\n {\n for (uint256 i = 0; i < _assetProxyContracts.length; i++) {\n address assetProxy = _assetProxyContracts[i];\n require(\n assetProxy != address(0),\n \"INVALID_ASSET_PROXY\"\n );\n isAssetProxyRegistered[assetProxy] = true;\n }\n }\n\n /// @dev Registers or deregisters an AssetProxy to be able to execute\n /// `removeAuthorizedAddressAtIndex` without a timelock.\n /// @param assetProxyContract Address of AssetProxy contract.\n /// @param isRegistered Status of approval for AssetProxy contract.\n function registerAssetProxy(address assetProxyContract, bool isRegistered)\n public\n onlyWallet\n notNull(assetProxyContract)\n {\n isAssetProxyRegistered[assetProxyContract] = isRegistered;\n emit AssetProxyRegistration(assetProxyContract, isRegistered);\n }\n\n /// @dev Allows execution of `removeAuthorizedAddressAtIndex` without time lock.\n /// @param transactionId Transaction ID.\n function executeRemoveAuthorizedAddressAtIndex(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n validRemoveAuthorizedAddressAtIndexTx(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n}\n", - "2.0.0/protocol/Exchange/Exchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinExchangeCore.sol\";\nimport \"./MixinSignatureValidator.sol\";\nimport \"./MixinWrapperFunctions.sol\";\nimport \"./MixinAssetProxyDispatcher.sol\";\nimport \"./MixinTransactions.sol\";\nimport \"./MixinMatchOrders.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Exchange is\n MixinExchangeCore,\n MixinMatchOrders,\n MixinSignatureValidator,\n MixinTransactions,\n MixinAssetProxyDispatcher,\n MixinWrapperFunctions\n{\n string constant public VERSION = \"2.0.1-alpha\";\n\n // Mixins are instantiated in the order they are inherited\n constructor (bytes memory _zrxAssetData)\n public\n LibConstants(_zrxAssetData) // @TODO: Remove when we deploy.\n MixinExchangeCore()\n MixinMatchOrders()\n MixinSignatureValidator()\n MixinTransactions()\n MixinAssetProxyDispatcher()\n MixinWrapperFunctions()\n {}\n}\n", - "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\nimport \"../AssetProxy/interfaces/IAssetProxy.sol\";\n\n\ncontract MixinAssetProxyDispatcher is\n Ownable,\n MAssetProxyDispatcher\n{\n // Mapping from Asset Proxy Id's to their respective Asset Proxy\n mapping (bytes4 => IAssetProxy) public assetProxies;\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external\n onlyOwner\n {\n IAssetProxy assetProxyContract = IAssetProxy(assetProxy);\n\n // Ensure that no asset proxy exists with current id.\n bytes4 assetProxyId = assetProxyContract.getProxyId();\n address currentAssetProxy = assetProxies[assetProxyId];\n require(\n currentAssetProxy == address(0),\n \"ASSET_PROXY_ALREADY_EXISTS\"\n );\n\n // Add asset proxy and log registration.\n assetProxies[assetProxyId] = assetProxyContract;\n emit AssetProxyRegistered(\n assetProxyId,\n assetProxy\n );\n }\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address)\n {\n return assetProxies[assetProxyId];\n }\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal\n {\n // Do nothing if no amount should be transferred.\n if (amount > 0 && from != to) {\n // Ensure assetData length is valid\n require(\n assetData.length > 3,\n \"LENGTH_GREATER_THAN_3_REQUIRED\"\n );\n \n // Lookup assetProxy. We do not use `LibBytes.readBytes4` for gas efficiency reasons.\n bytes4 assetProxyId;\n assembly {\n assetProxyId := and(mload(\n add(assetData, 32)),\n 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000\n )\n }\n address assetProxy = assetProxies[assetProxyId];\n\n // Ensure that assetProxy exists\n require(\n assetProxy != address(0),\n \"ASSET_PROXY_DOES_NOT_EXIST\"\n );\n \n // We construct calldata for the `assetProxy.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n\n assembly {\n /////// Setup State ///////\n // `cdStart` is the start of the calldata for `assetProxy.transferFrom` (equal to free memory ptr).\n let cdStart := mload(64)\n // `dataAreaLength` is the total number of words needed to store `assetData`\n // As-per the ABI spec, this value is padded up to the nearest multiple of 32,\n // and includes 32-bytes for length.\n let dataAreaLength := and(add(mload(assetData), 63), 0xFFFFFFFFFFFE0)\n // `cdEnd` is the end of the calldata for `assetProxy.transferFrom`.\n let cdEnd := add(cdStart, add(132, dataAreaLength))\n\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFromSelector`.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes.\n // Notes:\n // 1. The offset to `assetData` is the length of the Params Area (128 bytes).\n // 2. A 20-byte mask is applied to addresses to zero-out the unused bytes.\n mstore(add(cdStart, 4), 128)\n mstore(add(cdStart, 36), and(from, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 68), and(to, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 100), amount)\n \n /////// Setup Data Area ///////\n // This area holds `assetData`.\n let dataArea := add(cdStart, 132)\n // solhint-disable-next-line no-empty-blocks\n for {} lt(dataArea, cdEnd) {} {\n mstore(dataArea, mload(assetData))\n dataArea := add(dataArea, 32)\n assetData := add(assetData, 32)\n }\n\n /////// Call `assetProxy.transferFrom` using the constructed calldata ///////\n let success := call(\n gas, // forward all gas\n assetProxy, // call address of asset proxy\n 0, // don't send any ETH\n cdStart, // pointer to start of input\n sub(cdEnd, cdStart), // length of input \n cdStart, // write output over input\n 512 // reserve 512 bytes for output\n )\n if iszero(success) {\n revert(cdStart, returndatasize())\n }\n }\n }\n }\n}\n", - "2.0.0/protocol/Exchange/MixinExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinExchangeCore is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n LibOrder,\n LibFillResults,\n MAssetProxyDispatcher,\n MExchangeCore,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of orderHash => amount of takerAsset already bought by maker\n mapping (bytes32 => uint256) public filled;\n\n // Mapping of orderHash => cancelled\n mapping (bytes32 => bool) public cancelled;\n\n // Mapping of makerAddress => senderAddress => lowest salt an order can have in order to be fillable\n // Orders with specified senderAddress and with a salt less than their epoch are considered cancelled\n mapping (address => mapping (address => uint256)) public orderEpoch;\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external\n nonReentrant\n {\n address makerAddress = getCurrentContextAddress();\n // If this function is called via `executeTransaction`, we only update the orderEpoch for the makerAddress/msg.sender combination.\n // This allows external filter contracts to add rules to how orders are cancelled via this function.\n address senderAddress = makerAddress == msg.sender ? address(0) : msg.sender;\n\n // orderEpoch is initialized to 0, so to cancelUpTo we need salt + 1\n uint256 newOrderEpoch = targetOrderEpoch + 1; \n uint256 oldOrderEpoch = orderEpoch[makerAddress][senderAddress];\n\n // Ensure orderEpoch is monotonically increasing\n require(\n newOrderEpoch > oldOrderEpoch, \n \"INVALID_NEW_ORDER_EPOCH\"\n );\n\n // Update orderEpoch\n orderEpoch[makerAddress][senderAddress] = newOrderEpoch;\n emit CancelUpTo(\n makerAddress,\n senderAddress,\n newOrderEpoch\n );\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrder(Order memory order)\n public\n nonReentrant\n {\n cancelOrderInternal(order);\n }\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(Order memory order)\n public\n view\n returns (OrderInfo memory orderInfo)\n {\n // Compute the order hash\n orderInfo.orderHash = getOrderHash(order);\n\n // Fetch filled amount\n orderInfo.orderTakerAssetFilledAmount = filled[orderInfo.orderHash];\n\n // If order.makerAssetAmount is zero, we also reject the order.\n // While the Exchange contract handles them correctly, they create\n // edge cases in the supporting infrastructure because they have\n // an 'infinite' price when computed by a simple division.\n if (order.makerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_MAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // If order.takerAssetAmount is zero, then the order will always\n // be considered filled because 0 == takerAssetAmount == orderTakerAssetFilledAmount\n // Instead of distinguishing between unfilled and filled zero taker\n // amount orders, we choose not to support them.\n if (order.takerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_TAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // Validate order availability\n if (orderInfo.orderTakerAssetFilledAmount >= order.takerAssetAmount) {\n orderInfo.orderStatus = uint8(OrderStatus.FULLY_FILLED);\n return orderInfo;\n }\n\n // Validate order expiration\n // solhint-disable-next-line not-rely-on-time\n if (block.timestamp >= order.expirationTimeSeconds) {\n orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);\n return orderInfo;\n }\n\n // Check if order has been cancelled\n if (cancelled[orderInfo.orderHash]) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n if (orderEpoch[order.makerAddress][order.senderAddress] > order.salt) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n\n // All other statuses are ruled out: order is Fillable\n orderInfo.orderStatus = uint8(OrderStatus.FILLABLE);\n return orderInfo;\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // Fetch order info\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Assert that the order is fillable by taker\n assertFillableOrder(\n order,\n orderInfo,\n takerAddress,\n signature\n );\n \n // Get amount of takerAsset to fill\n uint256 remainingTakerAssetAmount = safeSub(order.takerAssetAmount, orderInfo.orderTakerAssetFilledAmount);\n uint256 takerAssetFilledAmount = min256(takerAssetFillAmount, remainingTakerAssetAmount);\n\n // Validate context\n assertValidFill(\n order,\n orderInfo,\n takerAssetFillAmount,\n takerAssetFilledAmount,\n fillResults.makerAssetFilledAmount\n );\n\n // Compute proportional fill amounts\n fillResults = calculateFillResults(order, takerAssetFilledAmount);\n\n // Update exchange internal state\n updateFilledState(\n order,\n takerAddress,\n orderInfo.orderHash,\n orderInfo.orderTakerAssetFilledAmount,\n fillResults\n );\n \n // Settle order\n settleOrder(\n order,\n takerAddress,\n fillResults\n );\n\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrderInternal(Order memory order)\n internal\n {\n // Fetch current order status\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Validate context\n assertValidCancel(order, orderInfo);\n\n // Perform cancel\n updateCancelledState(order, orderInfo.orderHash);\n }\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n function updateFilledState(\n Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n FillResults memory fillResults\n )\n internal\n {\n // Update state\n filled[orderHash] = safeAdd(orderTakerAssetFilledAmount, fillResults.takerAssetFilledAmount);\n\n // Log order\n emit Fill(\n order.makerAddress,\n order.feeRecipientAddress,\n takerAddress,\n msg.sender,\n fillResults.makerAssetFilledAmount,\n fillResults.takerAssetFilledAmount,\n fillResults.makerFeePaid,\n fillResults.takerFeePaid,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n Order memory order,\n bytes32 orderHash\n )\n internal\n {\n // Perform cancel\n cancelled[orderHash] = true;\n\n // Log cancel\n emit Cancel(\n order.makerAddress,\n order.feeRecipientAddress,\n msg.sender,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n Order memory order,\n OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view\n {\n // An order can only be filled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n \n // Validate sender is allowed to fill this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n \n // Validate taker is allowed to fill this order\n if (order.takerAddress != address(0)) {\n require(\n order.takerAddress == takerAddress,\n \"INVALID_TAKER\"\n );\n }\n \n // Validate Maker signature (check only if first time seen)\n if (orderInfo.orderTakerAssetFilledAmount == 0) {\n require(\n isValidSignature(\n orderInfo.orderHash,\n order.makerAddress,\n signature\n ),\n \"INVALID_ORDER_SIGNATURE\"\n );\n }\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n Order memory order,\n OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount, // TODO: use FillResults\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view\n {\n // Revert if fill amount is invalid\n // TODO: reconsider necessity for v2.1\n require(\n takerAssetFillAmount != 0,\n \"INVALID_TAKER_AMOUNT\"\n );\n \n // Make sure taker does not pay more than desired amount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n takerAssetFilledAmount <= takerAssetFillAmount,\n \"TAKER_OVERPAY\"\n );\n \n // Make sure order is not overfilled\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeAdd(orderInfo.orderTakerAssetFilledAmount, takerAssetFilledAmount) <= order.takerAssetAmount,\n \"ORDER_OVERFILL\"\n );\n \n // Make sure order is filled at acceptable price.\n // The order has an implied price from the makers perspective:\n // order price = order.makerAssetAmount / order.takerAssetAmount\n // i.e. the number of makerAsset maker is paying per takerAsset. The\n // maker is guaranteed to get this price or a better (lower) one. The\n // actual price maker is getting in this fill is:\n // fill price = makerAssetFilledAmount / takerAssetFilledAmount\n // We need `fill price <= order price` for the fill to be fair to maker.\n // This amounts to:\n // makerAssetFilledAmount order.makerAssetAmount\n // ------------------------ <= -----------------------\n // takerAssetFilledAmount order.takerAssetAmount\n // or, equivalently:\n // makerAssetFilledAmount * order.takerAssetAmount <=\n // order.makerAssetAmount * takerAssetFilledAmount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeMul(makerAssetFilledAmount, order.takerAssetAmount)\n <= \n safeMul(order.makerAssetAmount, takerAssetFilledAmount),\n \"INVALID_FILL_PRICE\"\n );\n }\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n Order memory order,\n OrderInfo memory orderInfo\n )\n internal\n view\n {\n // Ensure order is valid\n // An order can only be cancelled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Validate sender is allowed to cancel this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate transaction signed by maker\n address makerAddress = getCurrentContextAddress();\n require(\n order.makerAddress == makerAddress,\n \"INVALID_MAKER\"\n );\n }\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (FillResults memory fillResults)\n {\n // Compute proportional transfer amounts\n fillResults.takerAssetFilledAmount = takerAssetFilledAmount;\n fillResults.makerAssetFilledAmount = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n );\n fillResults.makerFeePaid = safeGetPartialAmountFloor(\n fillResults.makerAssetFilledAmount,\n order.makerAssetAmount,\n order.makerFee\n );\n fillResults.takerFeePaid = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.takerFee\n );\n\n return fillResults;\n }\n\n /// @dev Settles an order by transferring assets between counterparties.\n /// @param order Order struct containing order specifications.\n /// @param takerAddress Address selling takerAsset and buying makerAsset.\n /// @param fillResults Amounts to be filled and fees paid by maker and taker.\n function settleOrder(\n LibOrder.Order memory order,\n address takerAddress,\n LibFillResults.FillResults memory fillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n dispatchTransferFrom(\n order.makerAssetData,\n order.makerAddress,\n takerAddress,\n fillResults.makerAssetFilledAmount\n );\n dispatchTransferFrom(\n order.takerAssetData,\n takerAddress,\n order.makerAddress,\n fillResults.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n zrxAssetData,\n order.makerAddress,\n order.feeRecipientAddress,\n fillResults.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n order.feeRecipientAddress,\n fillResults.takerFeePaid\n );\n }\n}\n", - "2.0.0/protocol/Exchange/MixinMatchOrders.sol": "/*\n Copyright 2018 ZeroEx Intl.\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n http://www.apache.org/licenses/LICENSE-2.0\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MMatchOrders.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinMatchOrders is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n MAssetProxyDispatcher,\n MExchangeCore,\n MMatchOrders,\n MTransactions\n{\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n nonReentrant\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We assume that rightOrder.takerAssetData == leftOrder.makerAssetData and rightOrder.makerAssetData == leftOrder.takerAssetData.\n // If this assumption isn't true, the match will fail at signature validation.\n rightOrder.makerAssetData = leftOrder.takerAssetData;\n rightOrder.takerAssetData = leftOrder.makerAssetData;\n\n // Get left & right order info\n LibOrder.OrderInfo memory leftOrderInfo = getOrderInfo(leftOrder);\n LibOrder.OrderInfo memory rightOrderInfo = getOrderInfo(rightOrder);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Either our context is valid or we revert\n assertFillableOrder(\n leftOrder,\n leftOrderInfo,\n takerAddress,\n leftSignature\n );\n assertFillableOrder(\n rightOrder,\n rightOrderInfo,\n takerAddress,\n rightSignature\n );\n assertValidMatch(leftOrder, rightOrder);\n\n // Compute proportional fill amounts\n matchedFillResults = calculateMatchedFillResults(\n leftOrder,\n rightOrder,\n leftOrderInfo.orderTakerAssetFilledAmount,\n rightOrderInfo.orderTakerAssetFilledAmount\n );\n\n // Validate fill contexts\n assertValidFill(\n leftOrder,\n leftOrderInfo,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.makerAssetFilledAmount\n );\n assertValidFill(\n rightOrder,\n rightOrderInfo,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n \n // Update exchange state\n updateFilledState(\n leftOrder,\n takerAddress,\n leftOrderInfo.orderHash,\n leftOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.left\n );\n updateFilledState(\n rightOrder,\n takerAddress,\n rightOrderInfo.orderHash,\n rightOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.right\n );\n\n // Settle matched orders. Succeeds or throws.\n settleMatchedOrders(\n leftOrder,\n rightOrder,\n takerAddress,\n matchedFillResults\n );\n\n return matchedFillResults;\n }\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure\n {\n // Make sure there is a profitable spread.\n // There is a profitable spread iff the cost per unit bought (OrderA.MakerAmount/OrderA.TakerAmount) for each order is greater\n // than the profit per unit sold of the matched order (OrderB.TakerAmount/OrderB.MakerAmount).\n // This is satisfied by the equations below:\n // / >= / \n // AND\n // / >= / \n // These equations can be combined to get the following:\n require(\n safeMul(leftOrder.makerAssetAmount, rightOrder.makerAssetAmount) >=\n safeMul(leftOrder.takerAssetAmount, rightOrder.takerAssetAmount),\n \"NEGATIVE_SPREAD_REQUIRED\"\n );\n }\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // Derive maker asset amounts for left & right orders, given store taker assert amounts\n uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);\n uint256 leftMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n leftTakerAssetAmountRemaining\n );\n uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);\n uint256 rightMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n rightOrder.makerAssetAmount,\n rightOrder.takerAssetAmount,\n rightTakerAssetAmountRemaining\n );\n\n // Calculate fill results for maker and taker assets: at least one order will be fully filled.\n // The maximum amount the left maker can buy is `leftTakerAssetAmountRemaining`\n // The maximum amount the right maker can sell is `rightMakerAssetAmountRemaining`\n // We have two distinct cases for calculating the fill results:\n // Case 1.\n // If the left maker can buy more than the right maker can sell, then only the right order is fully filled.\n // If the left maker can buy exactly what the right maker can sell, then both orders are fully filled.\n // Case 2.\n // If the left maker cannot buy more than the right maker can sell, then only the left order is fully filled.\n if (leftTakerAssetAmountRemaining >= rightMakerAssetAmountRemaining) {\n // Case 1: Right order is fully filled\n matchedFillResults.right.makerAssetFilledAmount = rightMakerAssetAmountRemaining;\n matchedFillResults.right.takerAssetFilledAmount = rightTakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = matchedFillResults.right.makerAssetFilledAmount;\n // Round down to ensure the maker's exchange rate does not exceed the price specified by the order. \n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.left.makerAssetFilledAmount = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n matchedFillResults.left.takerAssetFilledAmount\n );\n } else {\n // Case 2: Left order is fully filled\n matchedFillResults.left.makerAssetFilledAmount = leftMakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = leftTakerAssetAmountRemaining;\n matchedFillResults.right.makerAssetFilledAmount = matchedFillResults.left.takerAssetFilledAmount;\n // Round up to ensure the maker's exchange rate does not exceed the price specified by the order.\n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.right.takerAssetFilledAmount = safeGetPartialAmountCeil(\n rightOrder.takerAssetAmount,\n rightOrder.makerAssetAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n }\n\n // Calculate amount given to taker\n matchedFillResults.leftMakerAssetSpreadAmount = safeSub(\n matchedFillResults.left.makerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount\n );\n\n // Compute fees for left order\n matchedFillResults.left.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.makerAssetFilledAmount,\n leftOrder.makerAssetAmount,\n leftOrder.makerFee\n );\n matchedFillResults.left.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.takerAssetFilledAmount,\n leftOrder.takerAssetAmount,\n leftOrder.takerFee\n );\n\n // Compute fees for right order\n matchedFillResults.right.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.makerAssetFilledAmount,\n rightOrder.makerAssetAmount,\n rightOrder.makerFee\n );\n matchedFillResults.right.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.takerAssetFilledAmount,\n rightOrder.takerAssetAmount,\n rightOrder.takerFee\n );\n\n // Return fill results\n return matchedFillResults;\n }\n\n /// @dev Settles matched order by transferring appropriate funds between order makers, taker, and fee recipient.\n /// @param leftOrder First matched order.\n /// @param rightOrder Second matched order.\n /// @param takerAddress Address that matched the orders. The taker receives the spread between orders as profit.\n /// @param matchedFillResults Struct holding amounts to transfer between makers, taker, and fee recipients.\n function settleMatchedOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n address takerAddress,\n LibFillResults.MatchedFillResults memory matchedFillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n // Order makers and taker\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n rightOrder.makerAddress,\n matchedFillResults.right.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n rightOrder.makerAssetData,\n rightOrder.makerAddress,\n leftOrder.makerAddress,\n matchedFillResults.left.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n takerAddress,\n matchedFillResults.leftMakerAssetSpreadAmount\n );\n\n // Maker fees\n dispatchTransferFrom(\n zrxAssetData,\n leftOrder.makerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n rightOrder.makerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.makerFeePaid\n );\n\n // Taker fees\n if (leftOrder.feeRecipientAddress == rightOrder.feeRecipientAddress) {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n safeAdd(\n matchedFillResults.left.takerFeePaid,\n matchedFillResults.right.takerFeePaid\n )\n );\n } else {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.takerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.takerFeePaid\n );\n }\n }\n}\n", - "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./interfaces/IWallet.sol\";\nimport \"./interfaces/IValidator.sol\";\n\n\ncontract MixinSignatureValidator is\n ReentrancyGuard,\n MSignatureValidator,\n MTransactions\n{\n using LibBytes for bytes;\n \n // Mapping of hash => signer => signed\n mapping (bytes32 => mapping (address => bool)) public preSigned;\n\n // Mapping of signer => validator => approved\n mapping (address => mapping (address => bool)) public allowedValidators;\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n {\n if (signerAddress != msg.sender) {\n require(\n isValidSignature(\n hash,\n signerAddress,\n signature\n ),\n \"INVALID_SIGNATURE\"\n );\n }\n preSigned[hash][signerAddress] = true;\n }\n\n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external\n nonReentrant\n {\n address signerAddress = getCurrentContextAddress();\n allowedValidators[signerAddress][validatorAddress] = approval;\n emit SignatureValidatorApproval(\n signerAddress,\n validatorAddress,\n approval\n );\n }\n\n /// @dev Verifies that a hash has been signed by the given signer.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid)\n {\n require(\n signature.length > 0,\n \"LENGTH_GREATER_THAN_0_REQUIRED\"\n );\n\n // Pop last byte off of signature byte array.\n uint8 signatureTypeRaw = uint8(signature.popLastByte());\n\n // Ensure signature is supported\n require(\n signatureTypeRaw < uint8(SignatureType.NSignatureTypes),\n \"SIGNATURE_UNSUPPORTED\"\n );\n\n SignatureType signatureType = SignatureType(signatureTypeRaw);\n\n // Variables are not scoped in Solidity.\n uint8 v;\n bytes32 r;\n bytes32 s;\n address recovered;\n\n // Always illegal signature.\n // This is always an implicit option since a signer can create a\n // signature array with invalid type or length. We may as well make\n // it an explicit option. This aids testing and analysis. It is\n // also the initialization value for the enum type.\n if (signatureType == SignatureType.Illegal) {\n revert(\"SIGNATURE_ILLEGAL\");\n\n // Always invalid signature.\n // Like Illegal, this is always implicitly available and therefore\n // offered explicitly. It can be implicitly created by providing\n // a correctly formatted but incorrect signature.\n } else if (signatureType == SignatureType.Invalid) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = false;\n return isValid;\n\n // Signature using EIP712\n } else if (signatureType == SignatureType.EIP712) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n hash,\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signed using web3.eth_sign\n } else if (signatureType == SignatureType.EthSign) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n32\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signature verified by wallet contract.\n // If used with an order, the maker of the order is the wallet contract.\n } else if (signatureType == SignatureType.Wallet) {\n isValid = isValidWalletSignature(\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signature verified by validator contract.\n // If used with an order, the maker of the order can still be an EOA.\n // A signature using this type should be encoded as:\n // | Offset | Length | Contents |\n // | 0x00 | x | Signature to validate |\n // | 0x00 + x | 20 | Address of validator contract |\n // | 0x14 + x | 1 | Signature type is always \"\\x06\" |\n } else if (signatureType == SignatureType.Validator) {\n // Pop last 20 bytes off of signature byte array.\n address validatorAddress = signature.popLast20Bytes();\n \n // Ensure signer has approved validator.\n if (!allowedValidators[signerAddress][validatorAddress]) {\n return false;\n }\n isValid = isValidValidatorSignature(\n validatorAddress,\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signer signed hash previously using the preSign function.\n } else if (signatureType == SignatureType.PreSigned) {\n isValid = preSigned[hash][signerAddress];\n return isValid;\n }\n\n // Anything else is illegal (We do not return false because\n // the signature may actually be valid, just not in a format\n // that we currently support. In this case returning false\n // may lead the caller to incorrectly believe that the\n // signature was invalid.)\n revert(\"SIGNATURE_UNSUPPORTED\");\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if signature is valid for given wallet..\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IWallet(walletAddress).isValidSignature.selector,\n hash,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n walletAddress, // address of Wallet contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"WALLET_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000c57414c4c45545f4552524f5200000000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IValidator(signerAddress).isValidSignature.selector,\n hash,\n signerAddress,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n validatorAddress, // address of Validator contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"VALIDATOR_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f56414c494441544f525f4552524f5200000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n}\n", - "2.0.0/protocol/Exchange/MixinTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"./libs/LibExchangeErrors.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./libs/LibEIP712.sol\";\n\n\ncontract MixinTransactions is\n LibEIP712,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of transaction hash => executed\n // This prevents transactions from being executed more than once.\n mapping (bytes32 => bool) public transactions;\n\n // Address of current transaction signer\n address public currentContextAddress;\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external\n {\n // Prevent reentrancy\n require(\n currentContextAddress == address(0),\n \"REENTRANCY_ILLEGAL\"\n );\n\n bytes32 transactionHash = hashEIP712Message(hashZeroExTransaction(\n salt,\n signerAddress,\n data\n ));\n\n // Validate transaction has not been executed\n require(\n !transactions[transactionHash],\n \"INVALID_TX_HASH\"\n );\n\n // Transaction always valid if signer is sender of transaction\n if (signerAddress != msg.sender) {\n // Validate signature\n require(\n isValidSignature(\n transactionHash,\n signerAddress,\n signature\n ),\n \"INVALID_TX_SIGNATURE\"\n );\n\n // Set the current transaction signer\n currentContextAddress = signerAddress;\n }\n\n // Execute transaction\n transactions[transactionHash] = true;\n require(\n address(this).delegatecall(data),\n \"FAILED_EXECUTION\"\n );\n\n // Reset current transaction signer if it was previously updated\n if (signerAddress != msg.sender) {\n currentContextAddress = address(0);\n }\n }\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;\n bytes32 dataHash = keccak256(data);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,\n // salt,\n // bytes32(signerAddress),\n // keccak256(data)\n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, schemaHash) // hash of schema\n mstore(add(memPtr, 32), salt) // salt\n mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff)) // signerAddress\n mstore(add(memPtr, 96), dataHash) // hash of data\n\n // Compute hash\n result := keccak256(memPtr, 128)\n }\n return result;\n }\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address)\n {\n address currentContextAddress_ = currentContextAddress;\n address contextAddress = currentContextAddress_ == address(0) ? msg.sender : currentContextAddress_;\n return contextAddress;\n }\n}\n", - "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibAbiEncoder.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MWrapperFunctions.sol\";\n\n\ncontract MixinWrapperFunctions is\n ReentrancyGuard,\n LibMath,\n LibFillResults,\n LibAbiEncoder,\n MExchangeCore,\n MWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrKillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n // Delegate to `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := delegatecall(\n gas, // forward all gas\n address, // call address of this contract\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrKillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n \n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public\n nonReentrant\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n cancelOrderInternal(orders[i]);\n }\n }\n\n /// @dev Fetches information for all passed in orders.\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n LibOrder.OrderInfo[] memory ordersInfo = new LibOrder.OrderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n ordersInfo[i] = getOrderInfo(orders[i]);\n }\n return ordersInfo;\n }\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n require(\n fillResults.takerAssetFilledAmount == takerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return fillResults;\n }\n}\n", - "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssetProxyDispatcher {\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external;\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IExchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./IExchangeCore.sol\";\nimport \"./IMatchOrders.sol\";\nimport \"./ISignatureValidator.sol\";\nimport \"./ITransactions.sol\";\nimport \"./IAssetProxyDispatcher.sol\";\nimport \"./IWrapperFunctions.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract IExchange is\n IExchangeCore,\n IMatchOrders,\n ISignatureValidator,\n ITransactions,\n IAssetProxyDispatcher,\n IWrapperFunctions\n{}\n", - "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IExchangeCore {\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external;\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrder(LibOrder.Order memory order)\n public;\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(LibOrder.Order memory order)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IMatchOrders {\n\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n}\n", - "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ISignatureValidator {\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external;\n \n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external;\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address of signer.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\n\ncontract ITransactions {\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external;\n}\n", - "2.0.0/protocol/Exchange/interfaces/IValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IValidator {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IWallet {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IWrapperFunctions {\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public;\n\n /// @dev Fetches information for all passed in orders\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory);\n}\n", - "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./LibOrder.sol\";\n\n\ncontract LibAbiEncoder {\n\n /// @dev ABI encodes calldata for `fillOrder`.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return ABI encoded calldata for `fillOrder`.\n function abiEncodeFillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n pure\n returns (bytes memory fillOrderCalldata)\n {\n // We need to call MExchangeCore.fillOrder using a delegatecall in\n // assembly so that we can intercept a call that throws. For this, we\n // need the input encoded in memory in the Ethereum ABIv2 format [1].\n\n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0x00 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 0x00 | | 1. offset to order (*) |\n // | | 0x20 | | 2. takerAssetFillAmount |\n // | | 0x40 | | 3. offset to signature (*) |\n // | Data | | 12 * 32 | order: |\n // | | 0x000 | | 1. senderAddress |\n // | | 0x020 | | 2. makerAddress |\n // | | 0x040 | | 3. takerAddress |\n // | | 0x060 | | 4. feeRecipientAddress |\n // | | 0x080 | | 5. makerAssetAmount |\n // | | 0x0A0 | | 6. takerAssetAmount |\n // | | 0x0C0 | | 7. makerFeeAmount |\n // | | 0x0E0 | | 8. takerFeeAmount |\n // | | 0x100 | | 9. expirationTimeSeconds |\n // | | 0x120 | | 10. salt |\n // | | 0x140 | | 11. Offset to makerAssetData (*) |\n // | | 0x160 | | 12. Offset to takerAssetData (*) |\n // | | 0x180 | 32 | makerAssetData Length |\n // | | 0x1A0 | ** | makerAssetData Contents |\n // | | 0x1C0 | 32 | takerAssetData Length |\n // | | 0x1E0 | ** | takerAssetData Contents |\n // | | 0x200 | 32 | signature Length |\n // | | 0x220 | ** | signature Contents |\n\n // * Offsets are calculated from the beginning of the current area: Header, Params, Data:\n // An offset stored in the Params area is calculated from the beginning of the Params section.\n // An offset stored in the Data area is calculated from the beginning of the Data section.\n\n // ** The length of dynamic array contents are stored in the field immediately preceeding the contents.\n\n // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html\n\n assembly {\n\n // Areas below may use the following variables:\n // 1. Start -- Start of this area in memory\n // 2. End -- End of this area in memory. This value may\n // be precomputed (before writing contents),\n // or it may be computed as contents are written.\n // 3. Offset -- Current offset into area. If an area's End\n // is precomputed, this variable tracks the\n // offsets of contents as they are written.\n\n /////// Setup Header Area ///////\n // Load free memory pointer\n fillOrderCalldata := mload(0x40)\n // bytes4(keccak256(\"fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)\"))\n // = 0xb4be83d5\n // Leave 0x20 bytes to store the length\n mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000)\n let headerAreaEnd := add(fillOrderCalldata, 0x24)\n\n /////// Setup Params Area ///////\n // This area is preallocated and written to later.\n // This is because we need to fill in offsets that have not yet been calculated.\n let paramsAreaStart := headerAreaEnd\n let paramsAreaEnd := add(paramsAreaStart, 0x60)\n let paramsAreaOffset := paramsAreaStart\n\n /////// Setup Data Area ///////\n let dataAreaStart := paramsAreaEnd\n let dataAreaEnd := dataAreaStart\n\n // Offset from the source data we're reading from\n let sourceOffset := order\n // arrayLenBytes and arrayLenWords track the length of a dynamically-allocated bytes array.\n let arrayLenBytes := 0\n let arrayLenWords := 0\n\n /////// Write order Struct ///////\n // Write memory location of Order, relative to the start of the\n // parameter list, then increment the paramsAreaOffset respectively.\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n // Write values for each field in the order\n // It would be nice to use a loop, but we save on gas by writing\n // the stores sequentially.\n mstore(dataAreaEnd, mload(sourceOffset)) // makerAddress\n mstore(add(dataAreaEnd, 0x20), mload(add(sourceOffset, 0x20))) // takerAddress\n mstore(add(dataAreaEnd, 0x40), mload(add(sourceOffset, 0x40))) // feeRecipientAddress\n mstore(add(dataAreaEnd, 0x60), mload(add(sourceOffset, 0x60))) // senderAddress\n mstore(add(dataAreaEnd, 0x80), mload(add(sourceOffset, 0x80))) // makerAssetAmount\n mstore(add(dataAreaEnd, 0xA0), mload(add(sourceOffset, 0xA0))) // takerAssetAmount\n mstore(add(dataAreaEnd, 0xC0), mload(add(sourceOffset, 0xC0))) // makerFeeAmount\n mstore(add(dataAreaEnd, 0xE0), mload(add(sourceOffset, 0xE0))) // takerFeeAmount\n mstore(add(dataAreaEnd, 0x100), mload(add(sourceOffset, 0x100))) // expirationTimeSeconds\n mstore(add(dataAreaEnd, 0x120), mload(add(sourceOffset, 0x120))) // salt\n mstore(add(dataAreaEnd, 0x140), mload(add(sourceOffset, 0x140))) // Offset to makerAssetData\n mstore(add(dataAreaEnd, 0x160), mload(add(sourceOffset, 0x160))) // Offset to takerAssetData\n dataAreaEnd := add(dataAreaEnd, 0x180)\n sourceOffset := add(sourceOffset, 0x180)\n\n // Write offset to \n mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x140)) // makerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Write offset to \n mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x160)) // takerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n /////// Write takerAssetFillAmount ///////\n mstore(paramsAreaOffset, takerAssetFillAmount)\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n /////// Write signature ///////\n // Write offset to paramsArea\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n\n // Calculate length of signature\n sourceOffset := signature\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of signature\n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of signature\n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Set length of calldata\n mstore(fillOrderCalldata, sub(dataAreaEnd, add(fillOrderCalldata, 0x20)))\n\n // Increment free memory pointer\n mstore(0x40, dataAreaEnd)\n }\n\n return fillOrderCalldata;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\n// solhint-disable max-line-length\ncontract LibConstants {\n \n // Asset data for ZRX token. Used for fee transfers.\n // @TODO: Hardcode constant when we deploy. Currently \n // not constant to make testing easier.\n\n // The proxyId for ZRX_ASSET_DATA is bytes4(keccak256(\"ERC20Token(address)\")) = 0xf47261b0\n \n // Kovan ZRX address is 0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570.\n // The ABI encoded proxyId and address is 0xf47261b00000000000000000000000006ff6c0ff1d68b964901f986d4c9fa3ac68346570\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x6f\\xf6\\xc0\\xff\\x1d\\x68\\xb9\\x64\\x90\\x1f\\x98\\x6d\\x4c\\x9f\\xa3\\xac\\x68\\x34\\x65\\x70\";\n \n // Mainnet ZRX address is 0xe41d2489571d322189246dafa5ebde1f4699f498.\n // The ABI encoded proxyId and address is 0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xe4\\x1d\\x24\\x89\\x57\\x1d\\x32\\x21\\x89\\x24\\x6d\\xaf\\xa5\\xeb\\xde\\x1f\\x46\\x99\\xf4\\x98\";\n \n // solhint-disable-next-line var-name-mixedcase\n bytes public ZRX_ASSET_DATA;\n\n // @TODO: Remove when we deploy.\n constructor (bytes memory zrxAssetData)\n public\n {\n ZRX_ASSET_DATA = zrxAssetData;\n }\n}\n// solhint-enable max-line-length\n", - "2.0.0/protocol/Exchange/libs/LibEIP712.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract LibEIP712 {\n\n // EIP191 header for EIP712 prefix\n string constant internal EIP191_HEADER = \"\\x19\\x01\";\n\n // EIP712 Domain Name value\n string constant internal EIP712_DOMAIN_NAME = \"0x Protocol\";\n\n // EIP712 Domain Version value\n string constant internal EIP712_DOMAIN_VERSION = \"2\";\n\n // Hash of the EIP712 Domain Separator Schema\n bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"EIP712Domain(\",\n \"string name,\",\n \"string version,\",\n \"address verifyingContract\",\n \")\"\n ));\n\n // Hash of the EIP712 Domain Separator data\n // solhint-disable-next-line var-name-mixedcase\n bytes32 public EIP712_DOMAIN_HASH;\n\n constructor ()\n public\n {\n EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(\n EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,\n keccak256(bytes(EIP712_DOMAIN_NAME)),\n keccak256(bytes(EIP712_DOMAIN_VERSION)),\n bytes32(address(this))\n ));\n }\n\n /// @dev Calculates EIP712 encoding for a hash struct in this EIP712 Domain.\n /// @param hashStruct The EIP712 hash struct.\n /// @return EIP712 hash applied to this EIP712 Domain.\n function hashEIP712Message(bytes32 hashStruct)\n internal\n view\n returns (bytes32 result)\n {\n bytes32 eip712DomainHash = EIP712_DOMAIN_HASH;\n\n // Assembly for more efficient computing:\n // keccak256(abi.encodePacked(\n // EIP191_HEADER,\n // EIP712_DOMAIN_HASH,\n // hashStruct \n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, 0x1901000000000000000000000000000000000000000000000000000000000000) // EIP191 header\n mstore(add(memPtr, 2), eip712DomainHash) // EIP712 domain hash\n mstore(add(memPtr, 34), hashStruct) // Hash of struct\n\n // Compute hash\n result := keccak256(memPtr, 66)\n }\n return result;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity 0.4.24;\n\n\n/// @dev This contract documents the revert reasons used in the Exchange contract.\n/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons.\ncontract LibExchangeErrors {\n\n /// Order validation errors ///\n string constant ORDER_UNFILLABLE = \"ORDER_UNFILLABLE\"; // Order cannot be filled.\n string constant INVALID_MAKER = \"INVALID_MAKER\"; // Invalid makerAddress.\n string constant INVALID_TAKER = \"INVALID_TAKER\"; // Invalid takerAddress.\n string constant INVALID_SENDER = \"INVALID_SENDER\"; // Invalid `msg.sender`.\n string constant INVALID_ORDER_SIGNATURE = \"INVALID_ORDER_SIGNATURE\"; // Signature validation failed. \n \n /// fillOrder validation errors ///\n string constant INVALID_TAKER_AMOUNT = \"INVALID_TAKER_AMOUNT\"; // takerAssetFillAmount cannot equal 0.\n string constant ROUNDING_ERROR = \"ROUNDING_ERROR\"; // Rounding error greater than 0.1% of takerAssetFillAmount. \n \n /// Signature validation errors ///\n string constant INVALID_SIGNATURE = \"INVALID_SIGNATURE\"; // Signature validation failed. \n string constant SIGNATURE_ILLEGAL = \"SIGNATURE_ILLEGAL\"; // Signature type is illegal.\n string constant SIGNATURE_UNSUPPORTED = \"SIGNATURE_UNSUPPORTED\"; // Signature type unsupported.\n \n /// cancelOrdersUptTo errors ///\n string constant INVALID_NEW_ORDER_EPOCH = \"INVALID_NEW_ORDER_EPOCH\"; // Specified salt must be greater than or equal to existing orderEpoch.\n\n /// fillOrKillOrder errors ///\n string constant COMPLETE_FILL_FAILED = \"COMPLETE_FILL_FAILED\"; // Desired takerAssetFillAmount could not be completely filled. \n\n /// matchOrders errors ///\n string constant NEGATIVE_SPREAD_REQUIRED = \"NEGATIVE_SPREAD_REQUIRED\"; // Matched orders must have a negative spread.\n\n /// Transaction errors ///\n string constant REENTRANCY_ILLEGAL = \"REENTRANCY_ILLEGAL\"; // Recursive reentrancy is not allowed. \n string constant INVALID_TX_HASH = \"INVALID_TX_HASH\"; // Transaction has already been executed. \n string constant INVALID_TX_SIGNATURE = \"INVALID_TX_SIGNATURE\"; // Signature validation failed. \n string constant FAILED_EXECUTION = \"FAILED_EXECUTION\"; // Transaction execution failed. \n \n /// registerAssetProxy errors ///\n string constant ASSET_PROXY_ALREADY_EXISTS = \"ASSET_PROXY_ALREADY_EXISTS\"; // AssetProxy with same id already exists.\n\n /// dispatchTransferFrom errors ///\n string constant ASSET_PROXY_DOES_NOT_EXIST = \"ASSET_PROXY_DOES_NOT_EXIST\"; // No assetProxy registered at given id.\n string constant TRANSFER_FAILED = \"TRANSFER_FAILED\"; // Asset transfer unsuccesful.\n\n /// Length validation errors ///\n string constant LENGTH_GREATER_THAN_0_REQUIRED = \"LENGTH_GREATER_THAN_0_REQUIRED\"; // Byte array must have a length greater than 0.\n string constant LENGTH_GREATER_THAN_3_REQUIRED = \"LENGTH_GREATER_THAN_3_REQUIRED\"; // Byte array must have a length greater than 3.\n string constant LENGTH_0_REQUIRED = \"LENGTH_0_REQUIRED\"; // Byte array must have a length of 0.\n string constant LENGTH_65_REQUIRED = \"LENGTH_65_REQUIRED\"; // Byte array must have a length of 65.\n}\n", - "2.0.0/protocol/Exchange/libs/LibFillResults.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibFillResults is\n SafeMath\n{\n struct FillResults {\n uint256 makerAssetFilledAmount; // Total amount of makerAsset(s) filled.\n uint256 takerAssetFilledAmount; // Total amount of takerAsset(s) filled.\n uint256 makerFeePaid; // Total amount of ZRX paid by maker(s) to feeRecipient(s).\n uint256 takerFeePaid; // Total amount of ZRX paid by taker to feeRecipients(s).\n }\n\n struct MatchedFillResults {\n FillResults left; // Amounts filled and fees paid of left order.\n FillResults right; // Amounts filled and fees paid of right order.\n uint256 leftMakerAssetSpreadAmount; // Spread between price of left and right order, denominated in the left order's makerAsset, paid to taker.\n }\n\n /// @dev Adds properties of both FillResults instances.\n /// Modifies the first FillResults instance specified.\n /// @param totalFillResults Fill results instance that will be added onto.\n /// @param singleFillResults Fill results instance that will be added to totalFillResults.\n function addFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)\n internal\n pure\n {\n totalFillResults.makerAssetFilledAmount = safeAdd(totalFillResults.makerAssetFilledAmount, singleFillResults.makerAssetFilledAmount);\n totalFillResults.takerAssetFilledAmount = safeAdd(totalFillResults.takerAssetFilledAmount, singleFillResults.takerAssetFilledAmount);\n totalFillResults.makerFeePaid = safeAdd(totalFillResults.makerFeePaid, singleFillResults.makerFeePaid);\n totalFillResults.takerFeePaid = safeAdd(totalFillResults.takerFeePaid, singleFillResults.takerFeePaid);\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibMath.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibMath is\n SafeMath\n{\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function safeGetPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorFloor(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function safeGetPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorCeil(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function getPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function getPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // The absolute rounding error is the difference between the rounded\n // value and the ideal value. The relative rounding error is the\n // absolute rounding error divided by the absolute value of the\n // ideal value. This is undefined when the ideal value is zero.\n //\n // The ideal value is `numerator * target / denominator`.\n // Let's call `numerator * target % denominator` the remainder.\n // The absolute error is `remainder / denominator`.\n //\n // When the ideal value is zero, we require the absolute error to\n // be zero. Fortunately, this is always the case. The ideal value is\n // zero iff `numerator == 0` and/or `target == 0`. In this case the\n // remainder and absolute error are also zero. \n if (target == 0 || numerator == 0) {\n return false;\n }\n \n // Otherwise, we want the relative rounding error to be strictly\n // less than 0.1%.\n // The relative error is `remainder / (numerator * target)`.\n // We want the relative error less than 1 / 1000:\n // remainder / (numerator * denominator) < 1 / 1000\n // or equivalently:\n // 1000 * remainder < numerator * target\n // so we have a rounding error iff:\n // 1000 * remainder >= numerator * target\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding up.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // See the comments in `isRoundingError`.\n if (target == 0 || numerator == 0) {\n // When either is zero, the ideal value and rounded value are zero\n // and there is no rounding error. (Although the relative error\n // is undefined.)\n return false;\n }\n // Compute remainder as before\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n remainder = safeSub(denominator, remainder) % denominator;\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibOrder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./LibEIP712.sol\";\n\n\ncontract LibOrder is\n LibEIP712\n{\n // Hash for the EIP712 Order Schema\n bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"Order(\",\n \"address makerAddress,\",\n \"address takerAddress,\",\n \"address feeRecipientAddress,\",\n \"address senderAddress,\",\n \"uint256 makerAssetAmount,\",\n \"uint256 takerAssetAmount,\",\n \"uint256 makerFee,\",\n \"uint256 takerFee,\",\n \"uint256 expirationTimeSeconds,\",\n \"uint256 salt,\",\n \"bytes makerAssetData,\",\n \"bytes takerAssetData\",\n \")\"\n ));\n\n // A valid order remains fillable until it is expired, fully filled, or cancelled.\n // An order's state is unaffected by external factors, like account balances.\n enum OrderStatus {\n INVALID, // Default value\n INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount\n INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount\n FILLABLE, // Order is fillable\n EXPIRED, // Order has already expired\n FULLY_FILLED, // Order is fully filled\n CANCELLED // Order has been cancelled\n }\n\n // solhint-disable max-line-length\n struct Order {\n address makerAddress; // Address that created the order. \n address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order. \n address feeRecipientAddress; // Address that will recieve fees when order is filled. \n address senderAddress; // Address that is allowed to call Exchange contract methods that affect this order. If set to 0, any address is allowed to call these methods.\n uint256 makerAssetAmount; // Amount of makerAsset being offered by maker. Must be greater than 0. \n uint256 takerAssetAmount; // Amount of takerAsset being bid on by maker. Must be greater than 0. \n uint256 makerFee; // Amount of ZRX paid to feeRecipient by maker when order is filled. If set to 0, no transfer of ZRX from maker to feeRecipient will be attempted.\n uint256 takerFee; // Amount of ZRX paid to feeRecipient by taker when order is filled. If set to 0, no transfer of ZRX from taker to feeRecipient will be attempted.\n uint256 expirationTimeSeconds; // Timestamp in seconds at which order expires. \n uint256 salt; // Arbitrary number to facilitate uniqueness of the order's hash. \n bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.\n bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.\n }\n // solhint-enable max-line-length\n\n struct OrderInfo {\n uint8 orderStatus; // Status that describes order's validity and fillability.\n bytes32 orderHash; // EIP712 hash of the order (see LibOrder.getOrderHash).\n uint256 orderTakerAssetFilledAmount; // Amount of order that has already been filled.\n }\n\n /// @dev Calculates Keccak-256 hash of the order.\n /// @param order The order structure.\n /// @return Keccak-256 EIP712 hash of the order.\n function getOrderHash(Order memory order)\n internal\n view\n returns (bytes32 orderHash)\n {\n orderHash = hashEIP712Message(hashOrder(order));\n return orderHash;\n }\n\n /// @dev Calculates EIP712 hash of the order.\n /// @param order The order structure.\n /// @return EIP712 hash of the order.\n function hashOrder(Order memory order)\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ORDER_SCHEMA_HASH;\n bytes32 makerAssetDataHash = keccak256(order.makerAssetData);\n bytes32 takerAssetDataHash = keccak256(order.takerAssetData);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ORDER_SCHEMA_HASH,\n // bytes32(order.makerAddress),\n // bytes32(order.takerAddress),\n // bytes32(order.feeRecipientAddress),\n // bytes32(order.senderAddress),\n // order.makerAssetAmount,\n // order.takerAssetAmount,\n // order.makerFee,\n // order.takerFee,\n // order.expirationTimeSeconds,\n // order.salt,\n // keccak256(order.makerAssetData),\n // keccak256(order.takerAssetData)\n // ));\n\n assembly {\n // Calculate memory addresses that will be swapped out before hashing\n let pos1 := sub(order, 32)\n let pos2 := add(order, 320)\n let pos3 := add(order, 352)\n\n // Backup\n let temp1 := mload(pos1)\n let temp2 := mload(pos2)\n let temp3 := mload(pos3)\n \n // Hash in place\n mstore(pos1, schemaHash)\n mstore(pos2, makerAssetDataHash)\n mstore(pos3, takerAssetDataHash)\n result := keccak256(pos1, 416)\n \n // Restore\n mstore(pos1, temp1)\n mstore(pos2, temp2)\n mstore(pos3, temp3)\n }\n return result;\n }\n}\n", - "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssetProxyDispatcher.sol\";\n\n\ncontract MAssetProxyDispatcher is\n IAssetProxyDispatcher\n{\n // Logs registration of new asset proxy\n event AssetProxyRegistered(\n bytes4 id, // Id of new registered AssetProxy.\n address assetProxy // Address of new registered AssetProxy.\n );\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal;\n}\n", - "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IExchangeCore.sol\";\n\n\ncontract MExchangeCore is\n IExchangeCore\n{\n // Fill event is emitted whenever an order is filled.\n event Fill(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that received fees.\n address takerAddress, // Address that filled the order.\n address senderAddress, // Address that called the Exchange contract (msg.sender).\n uint256 makerAssetFilledAmount, // Amount of makerAsset sold by maker and bought by taker. \n uint256 takerAssetFilledAmount, // Amount of takerAsset sold by taker and bought by maker.\n uint256 makerFeePaid, // Amount of ZRX paid to feeRecipient by maker.\n uint256 takerFeePaid, // Amount of ZRX paid to feeRecipient by taker.\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // Cancel event is emitted whenever an individual order is cancelled.\n event Cancel(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that would have recieved fees if order was filled. \n address senderAddress, // Address that called the Exchange contract (msg.sender).\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // CancelUpTo event is emitted whenever `cancelOrdersUpTo` is executed succesfully.\n event CancelUpTo(\n address indexed makerAddress, // Orders cancelled must have been created by this address.\n address indexed senderAddress, // Orders cancelled must have a `senderAddress` equal to this address.\n uint256 orderEpoch // Orders with specified makerAddress and senderAddress with a salt less than this value are considered cancelled.\n );\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrderInternal(LibOrder.Order memory order)\n internal;\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function updateFilledState(\n LibOrder.Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n LibFillResults.FillResults memory fillResults\n )\n internal;\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n LibOrder.Order memory order,\n bytes32 orderHash\n )\n internal;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo Status, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view;\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo\n )\n internal\n view;\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n LibOrder.Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.FillResults memory fillResults);\n\n}\n", - "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IMatchOrders.sol\";\n\n\ncontract MMatchOrders is\n IMatchOrders\n{\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure;\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n\n}\n", - "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/ISignatureValidator.sol\";\n\n\ncontract MSignatureValidator is\n ISignatureValidator\n{\n event SignatureValidatorApproval(\n address indexed signerAddress, // Address that approves or disapproves a contract to verify signatures.\n address indexed validatorAddress, // Address of signature validator contract.\n bool approved // Approval or disapproval of validator contract.\n );\n\n // Allowed signature types.\n enum SignatureType {\n Illegal, // 0x00, default value\n Invalid, // 0x01\n EIP712, // 0x02\n EthSign, // 0x03\n Wallet, // 0x04\n Validator, // 0x05\n PreSigned, // 0x06\n NSignatureTypes // 0x07, number of signature types. Always leave at end.\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/mixins/MTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"../interfaces/ITransactions.sol\";\n\n\ncontract MTransactions is\n ITransactions\n{\n // Hash for the EIP712 ZeroEx Transaction Schema\n bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"ZeroExTransaction(\",\n \"uint256 salt,\",\n \"address signerAddress,\",\n \"bytes data\",\n \")\"\n ));\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result);\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address);\n}\n", - "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IWrapperFunctions.sol\";\n\n\ncontract MWrapperFunctions is \n IWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n}\n", - "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/MintableERC20Token.sol\";\n\n\ncontract DummyERC20Token is \n Ownable,\n MintableERC20Token\n{\n string public name;\n string public symbol;\n uint256 public decimals;\n uint256 public constant MAX_MINT_AMOUNT = 10000000000000000000000;\n\n constructor (\n string _name,\n string _symbol,\n uint256 _decimals,\n uint256 _totalSupply\n )\n public\n {\n name = _name;\n symbol = _symbol;\n decimals = _decimals;\n _totalSupply = _totalSupply;\n balances[msg.sender] = _totalSupply;\n }\n\n /// @dev Sets the balance of target address\n /// @param _target Address or which balance will be updated\n /// @param _value New balance of target address\n function setBalance(address _target, uint256 _value)\n external\n onlyOwner\n {\n uint256 currBalance = balances[_target];\n if (_value < currBalance) {\n _totalSupply = safeSub(_totalSupply, safeSub(currBalance, _value));\n } else {\n _totalSupply = safeAdd(_totalSupply, safeSub(_value, currBalance));\n }\n balances[_target] = _value;\n }\n\n /// @dev Mints new tokens for sender\n /// @param _value Amount of tokens to mint\n function mint(uint256 _value)\n external\n {\n require(\n _value <= MAX_MINT_AMOUNT,\n \"VALUE_TOO_LARGE\"\n );\n\n _mint(msg.sender, _value);\n }\n}\n", - "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../tokens/ERC721Token/MintableERC721Token.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract DummyERC721Token is\n Ownable,\n MintableERC721Token\n{\n string public name;\n string public symbol;\n\n constructor (\n string _name,\n string _symbol\n )\n public\n {\n name = _name;\n symbol = _symbol;\n }\n\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function mint(address _to, uint256 _tokenId)\n external\n {\n _mint(_to, _tokenId);\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist or not called by contract owner\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function burn(address _owner, uint256 _tokenId)\n external\n onlyOwner\n {\n _burn(_owner, _tokenId);\n }\n}\n", - "2.0.0/tokens/ERC20Token/ERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC20Token.sol\";\n\n\ncontract ERC20Token is\n IERC20Token\n{\n mapping (address => uint256) internal balances;\n mapping (address => mapping (address => uint256)) internal allowed;\n\n uint256 internal _totalSupply;\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool)\n {\n require(\n balances[msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[msg.sender] -= _value;\n balances[_to] += _value;\n\n emit Transfer(\n msg.sender,\n _to,\n _value\n );\n\n return true;\n }\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowed[_from][msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n allowed[_from][msg.sender] -= _value;\n \n emit Transfer(\n _from,\n _to,\n _value\n );\n \n return true;\n }\n\n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool)\n {\n allowed[msg.sender][_spender] = _value;\n emit Approval(\n msg.sender,\n _spender,\n _value\n );\n return true;\n }\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256)\n {\n return _totalSupply;\n }\n\n /// @dev Query the balance of owner\n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n return balances[_owner];\n }\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256)\n {\n return allowed[_owner][_spender];\n }\n}\n", - "2.0.0/tokens/ERC20Token/IERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n \n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n \n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", - "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/SafeMath/SafeMath.sol\";\nimport \"./UnlimitedAllowanceERC20Token.sol\";\n\n\ncontract MintableERC20Token is \n SafeMath,\n UnlimitedAllowanceERC20Token\n{\n /// @dev Mints new tokens\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _value Amount of tokens to mint\n function _mint(address _to, uint256 _value)\n internal\n {\n balances[_to] = safeAdd(_value, balances[_to]);\n _totalSupply = safeAdd(_totalSupply, _value);\n\n emit Transfer(\n address(0),\n _to,\n _value\n );\n }\n\n /// @dev Mints new tokens\n /// @param _owner Owner of tokens that will be burned\n /// @param _value Amount of tokens to burn\n function _burn(address _owner, uint256 _value)\n internal\n {\n balances[_owner] = safeSub(balances[_owner], _value);\n _totalSupply = safeSub(_totalSupply, _value);\n\n emit Transfer(\n _owner,\n address(0),\n _value\n );\n }\n}\n", - "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/ERC20Token.sol\";\n\n\ncontract UnlimitedAllowanceERC20Token is\n ERC20Token\n{\n uint256 constant internal MAX_UINT = 2**256 - 1;\n\n /// @dev ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited allowance. See https://github.com/ethereum/EIPs/issues/717\n /// @param _from Address to transfer from.\n /// @param _to Address to transfer to.\n /// @param _value Amount to transfer.\n /// @return Success of transfer.\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n uint256 allowance = allowed[_from][msg.sender];\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowance >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n if (allowance < MAX_UINT) {\n allowed[_from][msg.sender] -= _value;\n }\n\n emit Transfer(\n _from,\n _to,\n _value\n );\n\n return true;\n }\n}\n", - "2.0.0/tokens/ERC721Token/ERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC721Token.sol\";\nimport \"./IERC721Receiver.sol\";\nimport \"../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract ERC721Token is\n IERC721Token,\n SafeMath\n{\n // Function selector for ERC721Receiver.onERC721Received\n // 0x150b7a02\n bytes4 constant internal ERC721_RECEIVED = bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"));\n\n // Mapping of tokenId => owner\n mapping (uint256 => address) internal owners;\n\n // Mapping of tokenId => approved address\n mapping (uint256 => address) internal approvals;\n\n // Mapping of owner => number of tokens owned\n mapping (address => uint256) internal balances;\n\n // Mapping of owner => operator => approved\n mapping (address => mapping (address => bool)) internal operatorApprovals;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n _data\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n \"\"\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external\n {\n address owner = ownerOf(_tokenId);\n require(\n msg.sender == owner || isApprovedForAll(owner, msg.sender),\n \"ERC721_INVALID_SENDER\"\n );\n\n approvals[_tokenId] = _approved;\n emit Approval(\n owner,\n _approved,\n _tokenId\n );\n }\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external\n {\n operatorApprovals[msg.sender][_operator] = _approved;\n emit ApprovalForAll(\n msg.sender,\n _operator,\n _approved\n );\n }\n \n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return balances[_owner];\n }\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = ownerOf(_tokenId);\n require(\n _from == owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n address spender = msg.sender;\n address approvedAddress = getApproved(_tokenId);\n require(\n spender == owner ||\n isApprovedForAll(owner, spender) ||\n approvedAddress == spender,\n \"ERC721_INVALID_SPENDER\"\n );\n\n if (approvedAddress != address(0)) {\n approvals[_tokenId] = address(0);\n }\n\n owners[_tokenId] = _to;\n balances[_from] = safeSub(balances[_from], 1);\n balances[_to] = safeAdd(balances[_to], 1);\n \n emit Transfer(\n _from,\n _to,\n _tokenId\n );\n }\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address)\n {\n address owner = owners[_tokenId];\n require(\n owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return owner;\n }\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId)\n public\n view\n returns (address)\n {\n return approvals[_tokenId];\n }\n\n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool)\n {\n return operatorApprovals[_owner][_operator];\n }\n}\n", - "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Receiver {\n\n /// @notice Handle the receipt of an NFT\n /// @dev The ERC721 smart contract calls this function on the recipient\n /// after a `transfer`. This function MAY throw to revert and reject the\n /// transfer. Return of other than the magic value MUST result in the\n /// transaction being reverted.\n /// Note: the contract address is always the message sender.\n /// @param _operator The address which called `safeTransferFrom` function\n /// @param _from The address which previously owned the token\n /// @param _tokenId The NFT identifier which is being transferred\n /// @param _data Additional data with no specified format\n /// @return `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`\n /// unless throwing\n function onERC721Received(\n address _operator,\n address _from,\n uint256 _tokenId,\n bytes _data\n )\n external\n returns (bytes4);\n}\n", - "2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Token {\n\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(\n address indexed _owner,\n address indexed _approved,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(\n address indexed _owner,\n address indexed _operator,\n bool _approved\n );\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// perator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external;\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public;\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address);\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) \n public\n view\n returns (address);\n \n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool);\n}\n", - "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./ERC721Token.sol\";\n\n\ncontract MintableERC721Token is\n ERC721Token\n{\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function _mint(address _to, uint256 _tokenId)\n internal\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == address(0),\n \"ERC721_OWNER_ALREADY_EXISTS\"\n );\n\n owners[_tokenId] = _to;\n balances[_to] = safeAdd(balances[_to], 1);\n\n emit Transfer(\n address(0),\n _to,\n _tokenId\n );\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function _burn(address _owner, uint256 _tokenId)\n internal\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == _owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n owners[_tokenId] = address(0);\n balances[_owner] = safeSub(balances[_owner], 1);\n\n emit Transfer(\n _owner,\n address(0),\n _tokenId\n );\n }\n}\n", - "2.0.0/tokens/EtherToken/IEtherToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/IERC20Token.sol\";\n\n\ncontract IEtherToken is\n IERC20Token\n{\n function deposit()\n public\n payable;\n \n function withdraw(uint256 amount)\n public;\n}\n", - "2.0.0/utils/LibBytes/LibBytes.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\nlibrary LibBytes {\n\n using LibBytes for bytes;\n\n /// @dev Gets the memory address for a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of byte array. This\n /// points to the header of the byte array which contains\n /// the length.\n function rawAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := input\n }\n return memoryAddress;\n }\n \n /// @dev Gets the memory address for the contents of a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of the contents of the byte array.\n function contentAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := add(input, 32)\n }\n return memoryAddress;\n }\n\n /// @dev Copies `length` bytes from memory location `source` to `dest`.\n /// @param dest memory address to copy bytes to.\n /// @param source memory address to copy bytes from.\n /// @param length number of bytes to copy.\n function memCopy(\n uint256 dest,\n uint256 source,\n uint256 length\n )\n internal\n pure\n {\n if (length < 32) {\n // Handle a partial word by reading destination and masking\n // off the bits we are interested in.\n // This correctly handles overlap, zero lengths and source == dest\n assembly {\n let mask := sub(exp(256, sub(32, length)), 1)\n let s := and(mload(source), not(mask))\n let d := and(mload(dest), mask)\n mstore(dest, or(s, d))\n }\n } else {\n // Skip the O(length) loop when source == dest.\n if (source == dest) {\n return;\n }\n\n // For large copies we copy whole words at a time. The final\n // word is aligned to the end of the range (instead of after the\n // previous) to handle partial words. So a copy will look like this:\n //\n // ####\n // ####\n // ####\n // ####\n //\n // We handle overlap in the source and destination range by\n // changing the copying direction. This prevents us from\n // overwriting parts of source that we still need to copy.\n //\n // This correctly handles source == dest\n //\n if (source > dest) {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because it\n // is easier to compare with in the loop, and these\n // are also the addresses we need for copying the\n // last bytes.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the last 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the last bytes in\n // source already due to overlap.\n let last := mload(sEnd)\n\n // Copy whole words front to back\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} lt(source, sEnd) {} {\n mstore(dest, mload(source))\n source := add(source, 32)\n dest := add(dest, 32)\n }\n \n // Write the last 32 bytes\n mstore(dEnd, last)\n }\n } else {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because those\n // are the starting points when copying a word at the end.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the first 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the first bytes in\n // source already due to overlap.\n let first := mload(source)\n\n // Copy whole words back to front\n // We use a signed comparisson here to allow dEnd to become\n // negative (happens when source and dest < 32). Valid\n // addresses in local memory will never be larger than\n // 2**255, so they can be safely re-interpreted as signed.\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} slt(dest, dEnd) {} {\n mstore(dEnd, mload(sEnd))\n sEnd := sub(sEnd, 32)\n dEnd := sub(dEnd, 32)\n }\n \n // Write the first 32 bytes\n mstore(dest, first)\n }\n }\n }\n }\n\n /// @dev Returns a slices from a byte array.\n /// @param b The byte array to take a slice from.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n function slice(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure and copy contents\n result = new bytes(to - from);\n memCopy(\n result.contentAddress(),\n b.contentAddress() + from,\n result.length\n );\n return result;\n }\n \n /// @dev Returns a slice from a byte array without preserving the input.\n /// @param b The byte array to take a slice from. Will be destroyed in the process.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n /// @dev When `from == 0`, the original array will match the slice. In other cases its state will be corrupted.\n function sliceDestructive(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure around [from, to) in-place.\n assembly {\n result := add(b, from)\n mstore(result, sub(to, from))\n }\n return result;\n }\n\n /// @dev Pops the last byte off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The byte that was popped off.\n function popLastByte(bytes memory b)\n internal\n pure\n returns (bytes1 result)\n {\n require(\n b.length > 0,\n \"GREATER_THAN_ZERO_LENGTH_REQUIRED\"\n );\n\n // Store last byte.\n result = b[b.length - 1];\n\n assembly {\n // Decrement length of byte array.\n let newLen := sub(mload(b), 1)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Pops the last 20 bytes off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The 20 byte address that was popped off.\n function popLast20Bytes(bytes memory b)\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= 20,\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Store last 20 bytes.\n result = readAddress(b, b.length - 20);\n\n assembly {\n // Subtract 20 from byte array length.\n let newLen := sub(mload(b), 20)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Tests equality of two byte arrays.\n /// @param lhs First byte array to compare.\n /// @param rhs Second byte array to compare.\n /// @return True if arrays are the same. False otherwise.\n function equals(\n bytes memory lhs,\n bytes memory rhs\n )\n internal\n pure\n returns (bool equal)\n {\n // Keccak gas cost is 30 + numWords * 6. This is a cheap way to compare.\n // We early exit on unequal lengths, but keccak would also correctly\n // handle this.\n return lhs.length == rhs.length && keccak256(lhs) == keccak256(rhs);\n }\n\n /// @dev Reads an address from a position in a byte array.\n /// @param b Byte array containing an address.\n /// @param index Index in byte array of address.\n /// @return address from byte array.\n function readAddress(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Read address from array memory\n assembly {\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 20-byte mask to obtain address\n result := and(mload(add(b, index)), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n return result;\n }\n\n /// @dev Writes an address into a specific position in a byte array.\n /// @param b Byte array to insert address into.\n /// @param index Index in byte array of address.\n /// @param input Address to put into byte array.\n function writeAddress(\n bytes memory b,\n uint256 index,\n address input\n )\n internal\n pure\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Store address into array memory\n assembly {\n // The address occupies 20 bytes and mstore stores 32 bytes.\n // First fetch the 32-byte word where we'll be storing the address, then\n // apply a mask so we have only the bytes in the word that the address will not occupy.\n // Then combine these bytes with the address and store the 32 bytes back to memory with mstore.\n\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 12-byte mask to obtain extra bytes occupying word of memory where we'll store the address\n let neighbors := and(\n mload(add(b, index)),\n 0xffffffffffffffffffffffff0000000000000000000000000000000000000000\n )\n \n // Make sure input address is clean.\n // (Solidity does not guarantee this)\n input := and(input, 0xffffffffffffffffffffffffffffffffffffffff)\n\n // Store the neighbors and address into memory\n mstore(add(b, index), xor(input, neighbors))\n }\n }\n\n /// @dev Reads a bytes32 value from a position in a byte array.\n /// @param b Byte array containing a bytes32 value.\n /// @param index Index in byte array of bytes32 value.\n /// @return bytes32 value from byte array.\n function readBytes32(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes32 result)\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n result := mload(add(b, index))\n }\n return result;\n }\n\n /// @dev Writes a bytes32 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes32 to put into byte array.\n function writeBytes32(\n bytes memory b,\n uint256 index,\n bytes32 input\n )\n internal\n pure\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n mstore(add(b, index), input)\n }\n }\n\n /// @dev Reads a uint256 value from a position in a byte array.\n /// @param b Byte array containing a uint256 value.\n /// @param index Index in byte array of uint256 value.\n /// @return uint256 value from byte array.\n function readUint256(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (uint256 result)\n {\n result = uint256(readBytes32(b, index));\n return result;\n }\n\n /// @dev Writes a uint256 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input uint256 to put into byte array.\n function writeUint256(\n bytes memory b,\n uint256 index,\n uint256 input\n )\n internal\n pure\n {\n writeBytes32(b, index, bytes32(input));\n }\n\n /// @dev Reads an unpadded bytes4 value from a position in a byte array.\n /// @param b Byte array containing a bytes4 value.\n /// @param index Index in byte array of bytes4 value.\n /// @return bytes4 value from byte array.\n function readBytes4(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes4 result)\n {\n require(\n b.length >= index + 4,\n \"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 32 byte length field\n index += 32;\n\n // Read the bytes4 from array memory\n assembly {\n result := mload(add(b, index))\n // Solidity does not require us to clean the trailing bytes.\n // We do it anyway\n result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)\n }\n return result;\n }\n\n /// @dev Reads nested bytes from a specific position.\n /// @dev NOTE: the returned value overlaps with the input value.\n /// Both should be treated as immutable.\n /// @param b Byte array containing nested bytes.\n /// @param index Index of nested bytes.\n /// @return result Nested bytes.\n function readBytesWithLength(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes memory result)\n {\n // Read length of nested bytes\n uint256 nestedBytesLength = readUint256(b, index);\n index += 32;\n\n // Assert length of is valid, given\n // length of nested bytes\n require(\n b.length >= index + nestedBytesLength,\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n \n // Return a pointer to the byte array as it exists inside `b`\n assembly {\n result := add(b, index)\n }\n return result;\n }\n\n /// @dev Inserts bytes at a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes to insert.\n function writeBytesWithLength(\n bytes memory b,\n uint256 index,\n bytes memory input\n )\n internal\n pure\n {\n // Assert length of is valid, given\n // length of input\n require(\n b.length >= index + 32 + input.length, // 32 bytes to store length\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n\n // Copy into \n memCopy(\n b.contentAddress() + index,\n input.rawAddress(), // includes length of \n input.length + 32 // +32 bytes to store length\n );\n }\n\n /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length.\n /// @param dest Byte array that will be overwritten with source bytes.\n /// @param source Byte array to copy onto dest bytes.\n function deepCopyBytes(\n bytes memory dest,\n bytes memory source\n )\n internal\n pure\n {\n uint256 sourceLen = source.length;\n // Dest length must be >= source length, or some bytes would not be copied.\n require(\n dest.length >= sourceLen,\n \"GREATER_OR_EQUAL_TO_SOURCE_BYTES_LENGTH_REQUIRED\"\n );\n memCopy(\n dest.contentAddress(),\n source.contentAddress(),\n sourceLen\n );\n }\n}\n", - "2.0.0/utils/Ownable/IOwnable.sol": "pragma solidity 0.4.24;\n\n\ncontract IOwnable {\n\n function transferOwnership(address newOwner)\n public;\n}\n", - "2.0.0/utils/Ownable/Ownable.sol": "pragma solidity 0.4.24;\n\nimport \"./IOwnable.sol\";\n\n\ncontract Ownable is\n IOwnable\n{\n address public owner;\n\n constructor ()\n public\n {\n owner = msg.sender;\n }\n\n modifier onlyOwner() {\n require(\n msg.sender == owner,\n \"ONLY_CONTRACT_OWNER\"\n );\n _;\n }\n\n function transferOwnership(address newOwner)\n public\n onlyOwner\n {\n if (newOwner != address(0)) {\n owner = newOwner;\n }\n }\n}\n", - "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ReentrancyGuard {\n\n // Locked state of mutex\n bool private locked = false;\n\n /// @dev Functions with this modifer cannot be reentered. The mutex will be locked\n /// before function execution and unlocked after.\n modifier nonReentrant() {\n // Ensure mutex is unlocked\n require(\n !locked,\n \"REENTRANCY_ILLEGAL\"\n );\n\n // Lock mutex before function call\n locked = true;\n\n // Perform function call\n _;\n\n // Unlock mutex after function call\n locked = false;\n }\n}\n", - "2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n\n function safeMul(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(\n c / a == b,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function safeDiv(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a / b;\n return c;\n }\n\n function safeSub(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n require(\n b <= a,\n \"UINT256_UNDERFLOW\"\n );\n return a - b;\n }\n\n function safeAdd(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a + b;\n require(\n c >= a,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function max64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n\n function max256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n}\n" - }, - "sourceTreeHashHex": "0x95729ff69e872a60a92c7eef28cea3188d821ab1a379a46c12b21fc386a9855c", - "compiler": { - "name": "solc", - "version": "soljson-v0.4.24+commit.e67f0147.js", - "settings": { - "optimizer": { - "enabled": true, - "runs": 1000000 - }, - "outputSelection": { - "*": { - "*": [ - "abi", - "evm.bytecode.object", - "evm.bytecode.sourceMap", - "evm.deployedBytecode.object", - "evm.deployedBytecode.sourceMap" - ] - } - } - } - }, - "networks": { - "3": { - "address": "0x90431a90516ab49af23a0530e04e8c7836e7122f", - "links": {}, - "constructorArgs": "[\"0x4530c0483a1633c7a1c97d2c53721caff2caaaaf\",\"0xf47261b0000000000000000000000000ff67881f8d12f372d91baae9752eb3631ff0ed00\"]" - }, - "42": { - "address": "0xb389da3d204b412df2f75c6afb3d0a7ce0bc283d", - "links": {}, - "constructorArgs": "[\"0x35dd2932454449b14cee11a94d3674a936d5d7b2\",\"0xf47261b00000000000000000000000002002d3812f58e35f0ea1ffbf80a75a38c32175fa\"]" - }, - "50": { - "address": "0xe86bb98fcf9bff3512c74589b78fb168200cc546", - "links": {}, - "constructorArgs": "[\"0x48bacb9266a570d521063ef5dd96e61686dbe788\",\"0xf47261b0000000000000000000000000871dd7c2b4b25e1aa18728e9d5f2af4c4e431f5c\"]" - } - } -} \ No newline at end of file diff --git a/packages/migrations/artifacts/2.0.0-beta-testnet/WETH9.json b/packages/migrations/artifacts/2.0.0-beta-testnet/WETH9.json deleted file mode 100644 index 8cca84e41..000000000 --- a/packages/migrations/artifacts/2.0.0-beta-testnet/WETH9.json +++ /dev/null @@ -1,346 +0,0 @@ -{ - "schemaVersion": "2.0.0", - "contractName": "WETH9", - "compilerOutput": { - "abi": [ - { - "constant": true, - "inputs": [], - "name": "name", - "outputs": [ - { - "name": "", - "type": "string" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "guy", - "type": "address" - }, - { - "name": "wad", - "type": "uint256" - } - ], - "name": "approve", - "outputs": [ - { - "name": "", - "type": "bool" - } - ], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": true, - "inputs": [], - "name": "totalSupply", - "outputs": [ - { - "name": "", - "type": "uint256" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "src", - "type": "address" - }, - { - "name": "dst", - "type": "address" - }, - { - "name": "wad", - "type": "uint256" - } - ], - "name": "transferFrom", - "outputs": [ - { - "name": "", - "type": "bool" - } - ], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "wad", - "type": "uint256" - } - ], - "name": "withdraw", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": true, - "inputs": [], - "name": "decimals", - "outputs": [ - { - "name": "", - "type": "uint8" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "", - "type": "address" - } - ], - "name": "balanceOf", - "outputs": [ - { - "name": "", - "type": "uint256" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [], - "name": "symbol", - "outputs": [ - { - "name": "", - "type": "string" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "dst", - "type": "address" - }, - { - "name": "wad", - "type": "uint256" - } - ], - "name": "transfer", - "outputs": [ - { - "name": "", - "type": "bool" - } - ], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": false, - "inputs": [], - "name": "deposit", - "outputs": [], - "payable": true, - "stateMutability": "payable", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "", - "type": "address" - }, - { - "name": "", - "type": "address" - } - ], - "name": "allowance", - "outputs": [ - { - "name": "", - "type": "uint256" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "payable": true, - "stateMutability": "payable", - "type": "fallback" - }, - { - "anonymous": false, - "inputs": [ - { - "indexed": true, - "name": "_owner", - "type": "address" - }, - { - "indexed": true, - "name": "_spender", - "type": "address" - }, - { - "indexed": false, - "name": "_value", - "type": "uint256" - } - ], - "name": "Approval", - "type": "event" - }, - { - "anonymous": false, - "inputs": [ - { - "indexed": true, - "name": "_from", - "type": "address" - }, - { - "indexed": true, - "name": "_to", - "type": "address" - }, - { - "indexed": false, - "name": "_value", - "type": "uint256" - } - ], - "name": "Transfer", - "type": "event" - }, - { - "anonymous": false, - "inputs": [ - { - "indexed": true, - "name": "_owner", - "type": "address" - }, - { - "indexed": false, - "name": "_value", - "type": "uint256" - } - ], - "name": "Deposit", - "type": "event" - }, - { - "anonymous": false, - "inputs": [ - { - "indexed": true, - "name": "_owner", - "type": "address" - }, - { - "indexed": false, - "name": "_value", - "type": "uint256" - } - ], - "name": "Withdrawal", - "type": "event" - } - ], - "evm": { - "bytecode": { - "linkReferences": {}, 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PUSH2 0x212 PUSH2 0x678 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0xFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x234 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19C PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x681 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x262 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xCD PUSH2 0x693 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x277 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x173 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x70B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2A8 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19C PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0x71F JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP2 DUP3 SWAP1 KECCAK256 DUP1 SLOAD CALLVALUE SWAP1 DUP2 ADD SWAP1 SWAP2 SSTORE DUP3 MLOAD SWAP1 DUP2 MSTORE SWAP2 MLOAD PUSH32 0xE1FFFCC4923D04B559F4D29A8BFC6CDA04EB5B0D3C460751C2402C5C5CC9109C SWAP3 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG2 JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x3C3 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x398 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x3C3 JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x3A6 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP DUP2 JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP1 DUP6 MSTORE SWAP1 DUP4 MSTORE DUP2 DUP5 KECCAK256 DUP7 SWAP1 SSTORE DUP2 MLOAD DUP7 DUP2 MSTORE SWAP2 MLOAD SWAP4 SWAP5 SWAP1 SWAP4 SWAP1 SWAP3 PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 SWAP3 DUP3 SWAP1 SUB ADD SWAP1 LOG3 POP PUSH1 0x1 SWAP3 SWAP2 POP POP JUMP JUMPDEST ADDRESS BALANCE SWAP1 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 SLOAD DUP3 GT ISZERO PUSH2 0x475 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND CALLER EQ DUP1 ISZERO SWAP1 PUSH2 0x4EB JUMPI POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP5 MSTORE SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF EQ ISZERO JUMPDEST ISZERO PUSH2 0x565 JUMPI PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP5 MSTORE SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 SLOAD DUP3 GT ISZERO PUSH2 0x52D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP5 MSTORE SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 DUP1 SLOAD DUP4 SWAP1 SUB SWAP1 SSTORE JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP6 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 DUP1 SLOAD DUP9 SWAP1 SUB SWAP1 SSTORE SWAP4 DUP8 AND DUP1 DUP4 MSTORE SWAP2 DUP5 SWAP1 KECCAK256 DUP1 SLOAD DUP8 ADD SWAP1 SSTORE DUP4 MLOAD DUP7 DUP2 MSTORE SWAP4 MLOAD SWAP2 SWAP4 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP3 SWAP1 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP PUSH1 0x1 SWAP4 SWAP3 POP POP POP JUMP JUMPDEST CALLER PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP2 GT ISZERO PUSH2 0x5FF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD DUP6 SWAP1 SUB SWAP1 SSTORE MLOAD DUP4 ISZERO PUSH2 0x8FC MUL SWAP2 DUP5 SWAP2 SWAP1 DUP2 DUP2 DUP2 DUP6 DUP9 DUP9 CALL SWAP4 POP POP POP POP ISZERO DUP1 ISZERO PUSH2 0x63E JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP PUSH1 0x40 DUP1 MLOAD DUP3 DUP2 MSTORE SWAP1 MLOAD CALLER SWAP2 PUSH32 0x7FCF532C15F0A6DB0BD6D0E038BEA71D30D808C7D98CB3BF7268A95BF5081B65 SWAP2 SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 LOG2 POP JUMP JUMPDEST PUSH1 0x2 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x1 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 DUP5 DUP7 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x3C3 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x398 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x3C3 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x718 CALLER DUP5 DUP5 PUSH2 0x443 JUMP JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x0 SWAP3 DUP4 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 SWAP1 SWAP2 MSTORE SWAP1 DUP3 MSTORE SWAP1 KECCAK256 SLOAD DUP2 JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 0x22 DUP10 DUP2 CALL 0x1f 0x47 0xad SWAP7 ADDRESS ADDMOD STOP PUSH10 0xB0A81423FCFBA5AA8E0F 0x47 DUP11 JUMPI SWAP13 0x4b 0xc0 DUP1 0xba PUSH31 0x82002900000000000000000000000000000000000000000000000000000000 ", - "sourceMap": "753:40:0:-;732:1806;753:40;;732:1806;753:40;;;;;;;;;;-1:-1:-1;;753:40:0;;:::i;:::-;-1:-1:-1;799:31:0;;;;;;;;;;;;;;;;;;;;;;;;;;:::i;:::-;-1:-1:-1;836:27:0;;;-1:-1:-1;;836:27:0;861:2;836:27;;;732:1806;5:2:-1;;;;30:1;27;20:12;5:2;732:1806:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;732:1806:0;;;-1:-1:-1;732:1806:0;:::i;:::-;;;:::o;:::-;;;;;;;;;;;;;;;;;;;;:::o;:::-;;;;;;;" - }, - "deployedBytecode": { - "linkReferences": {}, - "object": "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", - "opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0xAE JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x6FDDE03 DUP2 EQ PUSH2 0xB8 JUMPI DUP1 PUSH4 0x95EA7B3 EQ PUSH2 0x142 JUMPI DUP1 PUSH4 0x18160DDD EQ PUSH2 0x187 JUMPI DUP1 PUSH4 0x23B872DD EQ PUSH2 0x1AE JUMPI DUP1 PUSH4 0x2E1A7D4D EQ PUSH2 0x1E5 JUMPI DUP1 PUSH4 0x313CE567 EQ PUSH2 0x1FD JUMPI DUP1 PUSH4 0x70A08231 EQ PUSH2 0x228 JUMPI DUP1 PUSH4 0x95D89B41 EQ PUSH2 0x256 JUMPI DUP1 PUSH4 0xA9059CBB EQ PUSH2 0x26B JUMPI DUP1 PUSH4 0xD0E30DB0 EQ PUSH2 0xAE JUMPI DUP1 PUSH4 0xDD62ED3E EQ PUSH2 0x29C JUMPI JUMPDEST PUSH2 0xB6 PUSH2 0x2D0 JUMP JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xC4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xCD PUSH2 0x31F JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 ADD SWAP1 DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x107 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0xEF JUMP JUMPDEST POP POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x134 JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x14E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x173 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x3CB JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x193 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19C PUSH2 0x43E JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1BA JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x173 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x443 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1F1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xB6 PUSH1 0x4 CALLDATALOAD PUSH2 0x5E3 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x209 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x212 PUSH2 0x678 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0xFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x234 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19C PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x681 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x262 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xCD PUSH2 0x693 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x277 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x173 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x70B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2A8 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19C PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0x71F JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP2 DUP3 SWAP1 KECCAK256 DUP1 SLOAD CALLVALUE SWAP1 DUP2 ADD SWAP1 SWAP2 SSTORE DUP3 MLOAD SWAP1 DUP2 MSTORE SWAP2 MLOAD PUSH32 0xE1FFFCC4923D04B559F4D29A8BFC6CDA04EB5B0D3C460751C2402C5C5CC9109C SWAP3 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG2 JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x3C3 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x398 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x3C3 JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x3A6 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP DUP2 JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP1 DUP6 MSTORE SWAP1 DUP4 MSTORE DUP2 DUP5 KECCAK256 DUP7 SWAP1 SSTORE DUP2 MLOAD DUP7 DUP2 MSTORE SWAP2 MLOAD SWAP4 SWAP5 SWAP1 SWAP4 SWAP1 SWAP3 PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 SWAP3 DUP3 SWAP1 SUB ADD SWAP1 LOG3 POP PUSH1 0x1 SWAP3 SWAP2 POP POP JUMP JUMPDEST ADDRESS BALANCE SWAP1 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 SLOAD DUP3 GT ISZERO PUSH2 0x475 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND CALLER EQ DUP1 ISZERO SWAP1 PUSH2 0x4EB JUMPI POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP5 MSTORE SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF EQ ISZERO JUMPDEST ISZERO PUSH2 0x565 JUMPI PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP5 MSTORE SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 SLOAD DUP3 GT ISZERO PUSH2 0x52D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP5 MSTORE SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 DUP1 SLOAD DUP4 SWAP1 SUB SWAP1 SSTORE JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP6 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 DUP1 SLOAD DUP9 SWAP1 SUB SWAP1 SSTORE SWAP4 DUP8 AND DUP1 DUP4 MSTORE SWAP2 DUP5 SWAP1 KECCAK256 DUP1 SLOAD DUP8 ADD SWAP1 SSTORE DUP4 MLOAD DUP7 DUP2 MSTORE SWAP4 MLOAD SWAP2 SWAP4 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP3 SWAP1 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP PUSH1 0x1 SWAP4 SWAP3 POP POP POP JUMP JUMPDEST CALLER PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP2 GT ISZERO PUSH2 0x5FF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD DUP6 SWAP1 SUB SWAP1 SSTORE MLOAD DUP4 ISZERO PUSH2 0x8FC MUL SWAP2 DUP5 SWAP2 SWAP1 DUP2 DUP2 DUP2 DUP6 DUP9 DUP9 CALL SWAP4 POP POP POP POP ISZERO DUP1 ISZERO PUSH2 0x63E JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP PUSH1 0x40 DUP1 MLOAD DUP3 DUP2 MSTORE SWAP1 MLOAD CALLER SWAP2 PUSH32 0x7FCF532C15F0A6DB0BD6D0E038BEA71D30D808C7D98CB3BF7268A95BF5081B65 SWAP2 SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 LOG2 POP JUMP JUMPDEST PUSH1 0x2 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x1 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 DUP5 DUP7 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x3C3 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x398 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x3C3 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x718 CALLER DUP5 DUP5 PUSH2 0x443 JUMP JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x0 SWAP3 DUP4 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 SWAP1 SWAP2 MSTORE SWAP1 DUP3 MSTORE SWAP1 KECCAK256 SLOAD DUP2 JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 0x22 DUP10 DUP2 CALL 0x1f 0x47 0xad SWAP7 ADDRESS ADDMOD STOP PUSH10 0xB0A81423FCFBA5AA8E0F 0x47 DUP11 JUMPI SWAP13 0x4b 0xc0 DUP1 0xba PUSH31 0x82002900000000000000000000000000000000000000000000000000000000 ", - "sourceMap": 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- } - } - }, - "sources": { - "2.0.0/tokens/EtherToken/WETH9.sol": { - "id": 0 - } - }, - "sourceCodes": { - "2.0.0/tokens/EtherToken/WETH9.sol": "// Copyright (C) 2015, 2016, 2017 Dapphub\n\n// This program is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n\n// This program is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n// GNU General Public License for more details.\n\n// You should have received a copy of the GNU General Public License\n// along with this program. If not, see .\n\n// solhint-disable\npragma solidity ^0.4.18;\n\n\ncontract WETH9 {\n string public name = \"Wrapped Ether\";\n string public symbol = \"WETH\";\n uint8 public decimals = 18;\n\n event Approval(address indexed _owner, address indexed _spender, uint _value);\n event Transfer(address indexed _from, address indexed _to, uint _value);\n event Deposit(address indexed _owner, uint _value);\n event Withdrawal(address indexed _owner, uint _value);\n\n mapping (address => uint) public balanceOf;\n mapping (address => mapping (address => uint)) public allowance;\n\n function() public payable {\n deposit();\n }\n function deposit() public payable {\n balanceOf[msg.sender] += msg.value;\n Deposit(msg.sender, msg.value);\n }\n function withdraw(uint wad) public {\n require(balanceOf[msg.sender] >= wad);\n balanceOf[msg.sender] -= wad;\n msg.sender.transfer(wad);\n Withdrawal(msg.sender, wad);\n }\n\n function totalSupply() public view returns (uint) {\n return this.balance;\n }\n\n function approve(address guy, uint wad) public returns (bool) {\n allowance[msg.sender][guy] = wad;\n Approval(msg.sender, guy, wad);\n return true;\n }\n\n function transfer(address dst, uint wad) public returns (bool) {\n return transferFrom(msg.sender, dst, wad);\n }\n\n function transferFrom(address src, address dst, uint wad)\n public\n returns (bool)\n {\n require(balanceOf[src] >= wad);\n\n if (src != msg.sender && allowance[src][msg.sender] != uint(-1)) {\n require(allowance[src][msg.sender] >= wad);\n allowance[src][msg.sender] -= wad;\n }\n\n balanceOf[src] -= wad;\n balanceOf[dst] += wad;\n\n Transfer(src, dst, wad);\n\n return true;\n }\n}\n\n\n/*\n GNU GENERAL PUBLIC LICENSE\n Version 3, 29 June 2007\n\n Copyright (C) 2007 Free Software Foundation, Inc. \n Everyone is permitted to copy and distribute verbatim copies\n of this license document, but changing it is not allowed.\n\n Preamble\n\n The GNU General Public License is a free, copyleft license for\nsoftware and other kinds of works.\n\n The licenses for most software and other practical works are designed\nto take away your freedom to share and change the works. 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If your rights have been terminated and not permanently\nreinstated, you do not qualify to receive new licenses for the same\nmaterial under section 10.\n\n 9. Acceptance Not Required for Having Copies.\n\n You are not required to accept this License in order to receive or\nrun a copy of the Program. Ancillary propagation of a covered work\noccurring solely as a consequence of using peer-to-peer transmission\nto receive a copy likewise does not require acceptance. However,\nnothing other than this License grants you permission to propagate or\nmodify any covered work. These actions infringe copyright if you do\nnot accept this License. Therefore, by modifying or propagating a\ncovered work, you indicate your acceptance of this License to do so.\n\n 10. Automatic Licensing of Downstream Recipients.\n\n Each time you convey a covered work, the recipient automatically\nreceives a license from the original licensors, to run, modify and\npropagate that work, subject to this License. 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For\npurposes of this definition, \"control\" includes the right to grant\npatent sublicenses in a manner consistent with the requirements of\nthis License.\n\n Each contributor grants you a non-exclusive, worldwide, royalty-free\npatent license under the contributor's essential patent claims, to\nmake, use, sell, offer for sale, import and otherwise run, modify and\npropagate the contents of its contributor version.\n\n In the following three paragraphs, a \"patent license\" is any express\nagreement or commitment, however denominated, not to enforce a patent\n(such as an express permission to practice a patent or covenant not to\nsue for patent infringement). To \"grant\" such a patent license to a\nparty means to make such an agreement or commitment not to enforce a\npatent against the party.\n\n If you convey a covered work, knowingly relying on a patent license,\nand the Corresponding Source of the work is not available for anyone\nto copy, free of charge and under the terms of this License, through a\npublicly available network server or other readily accessible means,\nthen you must either (1) cause the Corresponding Source to be so\navailable, or (2) arrange to deprive yourself of the benefit of the\npatent license for this particular work, or (3) arrange, in a manner\nconsistent with the requirements of this License, to extend the patent\nlicense to downstream recipients. \"Knowingly relying\" means you have\nactual knowledge that, but for the patent license, your conveying the\ncovered work in a country, or your recipient's use of the covered work\nin a country, would infringe one or more identifiable patents in that\ncountry that you have reason to believe are valid.\n\n If, pursuant to or in connection with a single transaction or\narrangement, you convey, or propagate by procuring conveyance of, a\ncovered work, and grant a patent license to some of the parties\nreceiving the covered work authorizing them to use, propagate, modify\nor convey a specific copy of the covered work, then the patent license\nyou grant is automatically extended to all recipients of the covered\nwork and works based on it.\n\n A patent license is \"discriminatory\" if it does not include within\nthe scope of its coverage, prohibits the exercise of, or is\nconditioned on the non-exercise of one or more of the rights that are\nspecifically granted under this License. You may not convey a covered\nwork if you are a party to an arrangement with a third party that is\nin the business of distributing software, under which you make payment\nto the third party based on the extent of your activity of conveying\nthe work, and under which the third party grants, to any of the\nparties who would receive the covered work from you, a discriminatory\npatent license (a) in connection with copies of the covered work\nconveyed by you (or copies made from those copies), or (b) primarily\nfor and in connection with specific products or compilations that\ncontain the covered work, unless you entered into that arrangement,\nor that patent license was granted, prior to 28 March 2007.\n\n Nothing in this License shall be construed as excluding or limiting\nany implied license or other defenses to infringement that may\notherwise be available to you under applicable patent law.\n\n 12. No Surrender of Others' Freedom.\n\n If conditions are imposed on you (whether by court order, agreement or\notherwise) that contradict the conditions of this License, they do not\nexcuse you from the conditions of this License. If you cannot convey a\ncovered work so as to satisfy simultaneously your obligations under this\nLicense and any other pertinent obligations, then as a consequence you may\nnot convey it at all. For example, if you agree to terms that obligate you\nto collect a royalty for further conveying from those to whom you convey\nthe Program, the only way you could satisfy both those terms and this\nLicense would be to refrain entirely from conveying the Program.\n\n 13. Use with the GNU Affero General Public License.\n\n Notwithstanding any other provision of this License, you have\npermission to link or combine any covered work with a work licensed\nunder version 3 of the GNU Affero General Public License into a single\ncombined work, and to convey the resulting work. The terms of this\nLicense will continue to apply to the part which is the covered work,\nbut the special requirements of the GNU Affero General Public License,\nsection 13, concerning interaction through a network will apply to the\ncombination as such.\n\n 14. Revised Versions of this License.\n\n The Free Software Foundation may publish revised and/or new versions of\nthe GNU General Public License from time to time. Such new versions will\nbe similar in spirit to the present version, but may differ in detail to\naddress new problems or concerns.\n\n Each version is given a distinguishing version number. If the\nProgram specifies that a certain numbered version of the GNU General\nPublic License \"or any later version\" applies to it, you have the\noption of following the terms and conditions either of that numbered\nversion or of any later version published by the Free Software\nFoundation. If the Program does not specify a version number of the\nGNU General Public License, you may choose any version ever published\nby the Free Software Foundation.\n\n If the Program specifies that a proxy can decide which future\nversions of the GNU General Public License can be used, that proxy's\npublic statement of acceptance of a version permanently authorizes you\nto choose that version for the Program.\n\n Later license versions may give you additional or different\npermissions. However, no additional obligations are imposed on any\nauthor or copyright holder as a result of your choosing to follow a\nlater version.\n\n 15. Disclaimer of Warranty.\n\n THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY\nAPPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT\nHOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM \"AS IS\" WITHOUT WARRANTY\nOF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,\nTHE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR\nPURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM\nIS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF\nALL NECESSARY SERVICING, REPAIR OR CORRECTION.\n\n 16. Limitation of Liability.\n\n IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING\nWILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS\nTHE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY\nGENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE\nUSE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF\nDATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD\nPARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),\nEVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF\nSUCH DAMAGES.\n\n 17. Interpretation of Sections 15 and 16.\n\n If the disclaimer of warranty and limitation of liability provided\nabove cannot be given local legal effect according to their terms,\nreviewing courts shall apply local law that most closely approximates\nan absolute waiver of all civil liability in connection with the\nProgram, unless a warranty or assumption of liability accompanies a\ncopy of the Program in return for a fee.\n\n END OF TERMS AND CONDITIONS\n\n How to Apply These Terms to Your New Programs\n\n If you develop a new program, and you want it to be of the greatest\npossible use to the public, the best way to achieve this is to make it\nfree software which everyone can redistribute and change under these terms.\n\n To do so, attach the following notices to the program. It is safest\nto attach them to the start of each source file to most effectively\nstate the exclusion of warranty; and each file should have at least\nthe \"copyright\" line and a pointer to where the full notice is found.\n\n \n Copyright (C) \n\n This program is free software: you can redistribute it and/or modify\n it under the terms of the GNU General Public License as published by\n the Free Software Foundation, either version 3 of the License, or\n (at your option) any later version.\n\n This program is distributed in the hope that it will be useful,\n but WITHOUT ANY WARRANTY; without even the implied warranty of\n MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n GNU General Public License for more details.\n\n You should have received a copy of the GNU General Public License\n along with this program. If not, see .\n\nAlso add information on how to contact you by electronic and paper mail.\n\n If the program does terminal interaction, make it output a short\nnotice like this when it starts in an interactive mode:\n\n Copyright (C) \n This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.\n This is free software, and you are welcome to redistribute it\n under certain conditions; type `show c' for details.\n\nThe hypothetical commands `show w' and `show c' should show the appropriate\nparts of the General Public License. Of course, your program's commands\nmight be different; for a GUI interface, you would use an \"about box\".\n\n You should also get your employer (if you work as a programmer) or school,\nif any, to sign a \"copyright disclaimer\" for the program, if necessary.\nFor more information on this, and how to apply and follow the GNU GPL, see\n.\n\n The GNU General Public License does not permit incorporating your program\ninto proprietary programs. If your program is a subroutine library, you\nmay consider it more useful to permit linking proprietary applications with\nthe library. If this is what you want to do, use the GNU Lesser General\nPublic License instead of this License. But first, please read\n.\n\n*/\n" - }, - "sourceTreeHashHex": "0x08a4125fbc1137215308db8e8f4c0774b2adbec12342172c17216bcaa6e596c6", - "compiler": { - "name": "solc", - "version": "soljson-v0.4.24+commit.e67f0147.js", - "settings": { - "optimizer": { - "enabled": true, - "runs": 1000000 - }, - "outputSelection": { - "*": { - "*": [ - "abi", - "evm.bytecode.object", - "evm.bytecode.sourceMap", - "evm.deployedBytecode.object", - "evm.deployedBytecode.sourceMap" - ] - } - } - } - }, - "networks": { - "3": { - "address": "0xc778417e063141139fce010982780140aa0cd5ab", - "links": {}, - "constructorArgs": "[]" - }, - "42": { - "address": "0xd0a1e359811322d97991e03f863a0c30c2cf029c", - "links": {}, - "constructorArgs": "[]" - }, - "50": { - "address": "0x0b1ba0af832d7c05fd64161e0db78e85978e8082", - "links": {}, - "constructorArgs": "[]" - } - } -} diff --git a/packages/migrations/artifacts/2.0.0-beta-testnet/ZRXToken.json b/packages/migrations/artifacts/2.0.0-beta-testnet/ZRXToken.json deleted file mode 100644 index 76ee77b34..000000000 --- a/packages/migrations/artifacts/2.0.0-beta-testnet/ZRXToken.json +++ /dev/null @@ -1,10041 +0,0 @@ -{ - "schemaVersion": "2.0.0", - "contractName": "ZRXToken", - "compilerOutput": { - "abi": [ - { - "constant": true, - "inputs": [], - "name": "name", - "outputs": [ - { - "name": "", - "type": "string" - } - ], - "payable": false, - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "_spender", - "type": "address" - }, - { - "name": "_value", - "type": "uint256" - } - ], - "name": "approve", - "outputs": [ - { - "name": "", - "type": "bool" - } - ], - "payable": false, - "type": "function" - }, - { - "constant": true, - "inputs": [], - "name": "totalSupply", - "outputs": [ - { - "name": "", - "type": "uint256" - } - ], - "payable": false, - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "_from", - "type": "address" - }, - { - "name": "_to", - "type": "address" - }, - { - "name": "_value", - "type": "uint256" - } - ], - "name": "transferFrom", - "outputs": [ - { - "name": "", - "type": "bool" - } - ], - "payable": false, - "type": "function" - }, - { - "constant": true, - "inputs": [], - "name": "decimals", - "outputs": [ - { - "name": "", - "type": "uint8" - } - ], - "payable": false, - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "_owner", - "type": "address" - } - ], - "name": "balanceOf", - "outputs": [ - { - "name": "", - "type": "uint256" - } - ], - "payable": false, - "type": "function" - }, - { - "constant": true, - "inputs": [], - "name": "symbol", - "outputs": [ - { - "name": "", - "type": "string" - } - ], - "payable": false, - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "_to", - "type": "address" - }, - { - "name": "_value", - "type": "uint256" - } - ], - "name": "transfer", - "outputs": [ - { - "name": "", - "type": "bool" - } - ], - "payable": false, - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "_owner", - "type": "address" - }, - { - "name": "_spender", - "type": "address" - } - ], - "name": "allowance", - "outputs": [ - { - "name": "", - "type": "uint256" - } - ], - "payable": false, - "type": "function" - }, - { - "inputs": [], - "payable": false, - "type": "constructor" - }, - { - "anonymous": false, - "inputs": [ - { - "indexed": true, - "name": "_from", - "type": "address" - }, - { - "indexed": true, - "name": "_to", - "type": "address" - }, - { - "indexed": false, - "name": "_value", - "type": "uint256" - } - ], - "name": "Transfer", - "type": "event" - }, - { - "anonymous": false, - "inputs": [ - { - "indexed": true, - "name": "_owner", - "type": "address" - }, - { - "indexed": true, - "name": "_spender", - "type": "address" - }, - { - "indexed": false, - "name": "_value", - "type": "uint256" - } - ], - "name": "Approval", - "type": "event" - } - ], - "devdoc": { - "methods": { - "transferFrom(address,address,uint256)": { - "details": "ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited allowance.", - "params": { - "_from": "Address to transfer from.", - "_to": "Address to transfer to.", - "_value": "Amount to transfer." - }, - "return": "Success of transfer." - } - } - }, - "evm": { - "assembly": " /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":795:1250 contract ZRXToken is ... */\n mstore(0x40, 0x60)\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":966:972 10**27 */\n 0x33b2e3c9fd0803ce8000000\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":937:972 uint256 public totalSupply = 10**27 */\n 0x3\n sstore\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1158:1248 function ZRXToken()... */\n jumpi(tag_1, iszero(callvalue))\n invalid\ntag_1:\ntag_2:\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1230:1241 totalSupply */\n sload(0x3)\n sub(exp(0x2, 0xa0), 0x1)\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1216:1226 msg.sender */\n caller\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1207:1227 balances[msg.sender] */\n and\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1207:1215 balances */\n 0x0\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1207:1227 balances[msg.sender] */\n swap1\n dup2\n mstore\n 0x20\n dup2\n swap1\n mstore\n 0x40\n swap1\n sha3\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1207:1241 balances[msg.sender] = totalSupply */\n sstore\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1158:1248 function ZRXToken()... */\ntag_3:\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":795:1250 contract ZRXToken is ... */\ntag_4:\n dataSize(sub_0)\n dup1\n dataOffset(sub_0)\n 0x0\n codecopy\n 0x0\n return\nstop\n\nsub_0: assembly {\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":795:1250 contract ZRXToken is ... */\n mstore(0x40, 0x60)\n jumpi(tag_1, iszero(calldatasize))\n and(div(calldataload(0x0), 0x100000000000000000000000000000000000000000000000000000000), 0xffffffff)\n 0x6fdde03\n dup2\n eq\n tag_2\n jumpi\n dup1\n 0x95ea7b3\n eq\n tag_3\n jumpi\n dup1\n 0x18160ddd\n eq\n tag_4\n jumpi\n dup1\n 0x23b872dd\n eq\n tag_5\n jumpi\n dup1\n 0x313ce567\n eq\n tag_6\n jumpi\n dup1\n 0x70a08231\n eq\n tag_7\n jumpi\n dup1\n 0x95d89b41\n eq\n tag_8\n jumpi\n dup1\n 0xa9059cbb\n eq\n tag_9\n jumpi\n dup1\n 0xdd62ed3e\n eq\n tag_10\n jumpi\n tag_1:\n invalid\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1017:1066 string constant public name = \"0x Protocol Token\" */\n tag_2:\n jumpi(tag_11, iszero(callvalue))\n invalid\n tag_11:\n tag_12\n jump(tag_13)\n tag_12:\n 0x40\n dup1\n mload\n 0x20\n dup1\n dup3\n mstore\n dup4\n mload\n dup2\n dup4\n add\n mstore\n dup4\n mload\n swap2\n swap3\n dup4\n swap3\n swap1\n dup4\n add\n swap2\n dup6\n add\n swap1\n dup1\n dup4\n dup4\n /* \"--CODEGEN--\":18:20 */\n dup3\n iszero\n /* \"--CODEGEN--\":13:16 */\n tag_14\n /* \"--CODEGEN--\":7:12 */\n jumpi\n /* \"--CODEGEN--\":32:37 */\n tag_15:\n /* \"--CODEGEN--\":59:62 */\n dup1\n /* \"--CODEGEN--\":53:58 */\n mload\n /* \"--CODEGEN--\":48:51 */\n dup3\n /* \"--CODEGEN--\":41:47 */\n mstore\n /* \"--CODEGEN--\":93:95 */\n 0x20\n /* \"--CODEGEN--\":88:91 */\n dup4\n /* \"--CODEGEN--\":85:87 */\n gt\n /* \"--CODEGEN--\":78:84 */\n iszero\n /* \"--CODEGEN--\":73:76 */\n tag_14\n /* \"--CODEGEN--\":67:72 */\n jumpi\n /* \"--CODEGEN--\":152:155 */\n 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe0\n swap1\n swap3\n add\n swap2\n /* \"--CODEGEN--\":117:119 */\n 0x20\n /* \"--CODEGEN--\":108:111 */\n swap2\n dup3\n add\n swap2\n /* \"--CODEGEN--\":130:133 */\n add\n /* \"--CODEGEN--\":172:177 */\n tag_15\n /* \"--CODEGEN--\":167:171 */\n jump\n /* \"--CODEGEN--\":181:184 */\n tag_14:\n /* \"--CODEGEN--\":3:189 */\n pop\n pop\n pop\n swap1\n pop\n swap1\n dup2\n add\n swap1\n 0x1f\n and\n dup1\n iszero\n tag_16\n jumpi\n dup1\n dup3\n sub\n dup1\n mload\n 0x1\n dup4\n 0x20\n sub\n 0x100\n exp\n sub\n not\n and\n dup2\n mstore\n 0x20\n add\n swap2\n pop\n tag_16:\n pop\n swap3\n pop\n pop\n pop\n mload(0x40)\n dup1\n swap2\n sub\n swap1\n return\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1087:1274 */\n tag_3:\n jumpi(tag_17, iszero(callvalue))\n invalid\n tag_17:\n tag_18\n and(calldataload(0x4), 0xffffffffffffffffffffffffffffffffffffffff)\n calldataload(0x24)\n jump(tag_19)\n tag_18:\n 0x40\n dup1\n mload\n swap2\n iszero\n iszero\n dup3\n mstore\n mload\n swap1\n dup2\n swap1\n sub\n 0x20\n add\n swap1\n return\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":937:972 uint256 public totalSupply = 10**27 */\n tag_4:\n jumpi(tag_20, iszero(callvalue))\n invalid\n tag_20:\n tag_21\n jump(tag_22)\n tag_21:\n 0x40\n dup1\n mload\n swap2\n dup3\n mstore\n mload\n swap1\n dup2\n swap1\n sub\n 0x20\n add\n swap1\n return\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1066:1675 */\n tag_5:\n jumpi(tag_23, iszero(callvalue))\n invalid\n tag_23:\n tag_18\n 0xffffffffffffffffffffffffffffffffffffffff\n calldataload(0x4)\n dup2\n and\n swap1\n calldataload(0x24)\n and\n calldataload(0x44)\n jump(tag_25)\n tag_24:\n 0x40\n dup1\n mload\n swap2\n iszero\n iszero\n dup3\n mstore\n mload\n swap1\n dup2\n swap1\n sub\n 0x20\n add\n swap1\n return\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":896:931 uint8 constant public decimals = 18 */\n tag_6:\n jumpi(tag_26, iszero(callvalue))\n invalid\n tag_26:\n tag_27\n jump(tag_28)\n tag_27:\n 0x40\n dup1\n mload\n 0xff\n swap1\n swap3\n and\n dup3\n mstore\n mload\n swap1\n dup2\n swap1\n sub\n 0x20\n add\n swap1\n return\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":982:1081 */\n tag_7:\n jumpi(tag_29, iszero(callvalue))\n invalid\n tag_29:\n tag_21\n and(calldataload(0x4), 0xffffffffffffffffffffffffffffffffffffffff)\n jump(tag_31)\n tag_30:\n 0x40\n dup1\n mload\n swap2\n dup3\n mstore\n mload\n swap1\n dup2\n swap1\n sub\n 0x20\n add\n swap1\n return\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1072:1109 string constant public symbol = \"ZRX\" */\n tag_8:\n jumpi(tag_32, iszero(callvalue))\n invalid\n tag_32:\n tag_12\n jump(tag_34)\n tag_33:\n 0x40\n dup1\n mload\n 0x20\n dup1\n dup3\n mstore\n dup4\n mload\n dup2\n dup4\n add\n mstore\n dup4\n mload\n swap2\n swap3\n dup4\n swap3\n swap1\n dup4\n add\n swap2\n dup6\n add\n swap1\n dup1\n dup4\n dup4\n /* \"--CODEGEN--\":18:20 */\n dup3\n iszero\n /* \"--CODEGEN--\":13:16 */\n tag_14\n /* \"--CODEGEN--\":7:12 */\n jumpi\n /* \"--CODEGEN--\":32:37 */\n tag_36:\n /* \"--CODEGEN--\":59:62 */\n dup1\n /* \"--CODEGEN--\":53:58 */\n mload\n /* \"--CODEGEN--\":48:51 */\n dup3\n /* \"--CODEGEN--\":41:47 */\n mstore\n /* \"--CODEGEN--\":93:95 */\n 0x20\n /* \"--CODEGEN--\":88:91 */\n dup4\n /* \"--CODEGEN--\":85:87 */\n gt\n /* \"--CODEGEN--\":78:84 */\n iszero\n /* \"--CODEGEN--\":73:76 */\n tag_14\n /* \"--CODEGEN--\":67:72 */\n jumpi\n /* \"--CODEGEN--\":152:155 */\n 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe0\n swap1\n swap3\n add\n swap2\n /* \"--CODEGEN--\":117:119 */\n 0x20\n /* \"--CODEGEN--\":108:111 */\n swap2\n dup3\n add\n swap2\n /* \"--CODEGEN--\":130:133 */\n add\n /* \"--CODEGEN--\":172:177 */\n tag_15\n /* \"--CODEGEN--\":167:171 */\n jump\n /* \"--CODEGEN--\":181:184 */\n tag_35:\n /* \"--CODEGEN--\":3:189 */\n pop\n pop\n pop\n swap1\n pop\n swap1\n dup2\n add\n swap1\n 0x1f\n and\n dup1\n iszero\n tag_16\n jumpi\n dup1\n dup3\n sub\n dup1\n mload\n 0x1\n dup4\n 0x20\n sub\n 0x100\n exp\n sub\n not\n and\n dup2\n mstore\n 0x20\n add\n swap2\n pop\n tag_37:\n pop\n swap3\n pop\n pop\n pop\n mload(0x40)\n dup1\n swap2\n sub\n swap1\n return\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":125:535 */\n tag_9:\n jumpi(tag_38, iszero(callvalue))\n invalid\n tag_38:\n tag_18\n and(calldataload(0x4), 0xffffffffffffffffffffffffffffffffffffffff)\n calldataload(0x24)\n jump(tag_40)\n tag_39:\n 0x40\n dup1\n mload\n swap2\n iszero\n iszero\n dup3\n mstore\n mload\n swap1\n dup2\n swap1\n sub\n 0x20\n add\n swap1\n return\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1280:1406 */\n tag_10:\n jumpi(tag_41, iszero(callvalue))\n invalid\n tag_41:\n tag_21\n 0xffffffffffffffffffffffffffffffffffffffff\n calldataload(0x4)\n dup2\n and\n swap1\n calldataload(0x24)\n and\n jump(tag_43)\n tag_42:\n 0x40\n dup1\n mload\n swap2\n dup3\n mstore\n mload\n swap1\n dup2\n swap1\n sub\n 0x20\n add\n swap1\n return\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1017:1066 string constant public name = \"0x Protocol Token\" */\n tag_13:\n 0x40\n dup1\n mload\n dup1\n dup3\n add\n swap1\n swap2\n mstore\n 0x11\n dup2\n mstore\n 0x30782050726f746f636f6c20546f6b656e000000000000000000000000000000\n 0x20\n dup3\n add\n mstore\n dup2\n jump\t// out\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1087:1274 */\n tag_19:\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1160:1179 */\n 0xffffffffffffffffffffffffffffffffffffffff\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1168:1178 */\n caller\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1160:1179 */\n dup2\n and\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1144:1148 */\n 0x0\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1160:1179 */\n dup2\n dup2\n mstore\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1160:1167 */\n 0x1\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1160:1179 */\n 0x20\n swap1\n dup2\n mstore\n 0x40\n dup1\n dup4\n sha3\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1160:1189 */\n swap5\n dup8\n and\n dup1\n dup5\n mstore\n swap5\n dup3\n mstore\n dup1\n dup4\n sha3\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1160:1198 */\n dup7\n swap1\n sstore\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1208:1246 */\n dup1\n mload\n dup7\n dup2\n mstore\n swap1\n mload\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1144:1148 */\n swap3\n swap5\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1160:1189 */\n swap4\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1160:1179 */\n swap3\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1208:1246 */\n 0x8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925\n swap3\n swap2\n dup2\n swap1\n sub\n swap1\n swap2\n add\n swap1\n log3\n pop\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1263:1267 */\n 0x1\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1087:1274 */\n tag_44:\n swap3\n swap2\n pop\n pop\n jump\t// out\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":937:972 uint256 public totalSupply = 10**27 */\n tag_22:\n sload(0x3)\n dup2\n jump\t// out\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1066:1675 */\n tag_25:\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1198:1212 */\n 0xffffffffffffffffffffffffffffffffffffffff\n dup1\n dup5\n and\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1161:1165 */\n 0x0\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1198:1212 */\n dup2\n dup2\n mstore\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1198:1205 */\n 0x1\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1198:1212 */\n 0x20\n swap1\n dup2\n mstore\n 0x40\n dup1\n dup4\n sha3\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1213:1223 */\n caller\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1198:1224 */\n swap1\n swap6\n and\n dup4\n mstore\n swap4\n dup2\n mstore\n dup4\n dup3\n sha3\n sload\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1238:1253 */\n swap3\n dup3\n mstore\n dup2\n swap1\n mstore\n swap2\n dup3\n sha3\n sload\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1238:1263 */\n dup4\n swap1\n lt\n dup1\n iszero\n swap1\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1238:1298 */\n tag_46\n jumpi\n pop\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1292:1298 */\n dup3\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1279:1288 */\n dup2\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1279:1298 */\n lt\n iszero\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1238:1298 */\n tag_46:\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1238:1353 */\n dup1\n iszero\n tag_47\n jumpi\n pop\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1340:1353 */\n 0xffffffffffffffffffffffffffffffffffffffff\n dup5\n and\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1340:1348 */\n 0x0\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1340:1353 */\n swap1\n dup2\n mstore\n 0x20\n dup2\n swap1\n mstore\n 0x40\n swap1\n sha3\n sload\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1314:1336 */\n dup4\n dup2\n add\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1314:1353 */\n lt\n iszero\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1238:1353 */\n tag_47:\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1234:1669 */\n iszero\n tag_48\n jumpi\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1378:1391 */\n 0xffffffffffffffffffffffffffffffffffffffff\n dup1\n dup6\n and\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1378:1386 */\n 0x0\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1378:1391 */\n swap1\n dup2\n mstore\n 0x20\n dup2\n swap1\n mstore\n 0x40\n dup1\n dup3\n sha3\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1378:1401 */\n dup1\n sload\n dup8\n add\n swap1\n sstore\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1415:1430 */\n swap2\n dup8\n and\n dup2\n mstore\n sha3\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1415:1440 */\n dup1\n sload\n dup5\n swap1\n sub\n swap1\n sstore\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":768:778 */\n 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1458:1478 */\n dup2\n lt\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1454:1549 */\n iszero\n tag_49\n jumpi\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1498:1512 */\n 0xffffffffffffffffffffffffffffffffffffffff\n dup1\n dup7\n and\n 0x0\n swap1\n dup2\n mstore\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1498:1505 */\n 0x1\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1498:1512 */\n 0x20\n swap1\n dup2\n mstore\n 0x40\n dup1\n dup4\n sha3\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1513:1523 */\n caller\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1498:1524 */\n swap1\n swap5\n and\n dup4\n mstore\n swap3\n swap1\n mstore\n sha3\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1498:1534 */\n dup1\n sload\n dup5\n swap1\n sub\n swap1\n sstore\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1454:1549 */\n tag_49:\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1578:1581 */\n dup4\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1562:1590 */\n 0xffffffffffffffffffffffffffffffffffffffff\n and\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1571:1576 */\n dup6\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1562:1590 */\n 0xffffffffffffffffffffffffffffffffffffffff\n and\n 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1583:1589 */\n dup6\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1562:1590 */\n mload(0x40)\n dup1\n dup3\n dup2\n mstore\n 0x20\n add\n swap2\n pop\n pop\n mload(0x40)\n dup1\n swap2\n sub\n swap1\n log3\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1611:1615 */\n 0x1\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1604:1615 */\n swap2\n pop\n jump(tag_50)\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1234:1669 */\n tag_48:\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1653:1658 */\n 0x0\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1646:1658 */\n swap2\n pop\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1234:1669 */\n tag_50:\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1066:1675 */\n tag_45:\n pop\n swap4\n swap3\n pop\n pop\n pop\n jump\t// out\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":896:931 uint8 constant public decimals = 18 */\n tag_28:\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":929:931 18 */\n 0x12\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":896:931 uint8 constant public decimals = 18 */\n dup2\n jump\t// out\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":982:1081 */\n tag_31:\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1058:1074 */\n 0xffffffffffffffffffffffffffffffffffffffff\n dup2\n and\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1035:1039 */\n 0x0\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1058:1074 */\n swap1\n dup2\n mstore\n 0x20\n dup2\n swap1\n mstore\n 0x40\n swap1\n sha3\n sload\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":982:1081 */\n tag_51:\n swap2\n swap1\n pop\n jump\t// out\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1072:1109 string constant public symbol = \"ZRX\" */\n tag_34:\n 0x40\n dup1\n mload\n dup1\n dup3\n add\n swap1\n swap2\n mstore\n 0x3\n dup2\n mstore\n 0x5a52580000000000000000000000000000000000000000000000000000000000\n 0x20\n dup3\n add\n mstore\n dup2\n jump\t// out\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":125:535 */\n tag_40:\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":267:287 */\n 0xffffffffffffffffffffffffffffffffffffffff\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":276:286 */\n caller\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":267:287 */\n and\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":178:182 */\n 0x0\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":267:287 */\n swap1\n dup2\n mstore\n 0x20\n dup2\n swap1\n mstore\n 0x40\n dup2\n sha3\n sload\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":267:297 */\n dup3\n swap1\n lt\n dup1\n iszero\n swap1\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":267:340 */\n tag_53\n jumpi\n pop\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":327:340 */\n 0xffffffffffffffffffffffffffffffffffffffff\n dup4\n and\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":327:335 */\n 0x0\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":327:340 */\n swap1\n dup2\n mstore\n 0x20\n dup2\n swap1\n mstore\n 0x40\n swap1\n sha3\n sload\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":301:323 */\n dup3\n dup2\n add\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":301:340 */\n lt\n iszero\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":267:340 */\n tag_53:\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":263:529 */\n iszero\n tag_54\n jumpi\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":356:376 */\n 0xffffffffffffffffffffffffffffffffffffffff\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":365:375 */\n caller\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":356:376 */\n dup2\n and\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":356:364 */\n 0x0\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":356:376 */\n dup2\n dup2\n mstore\n 0x20\n dup2\n dup2\n mstore\n 0x40\n dup1\n dup4\n sha3\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":356:386 */\n dup1\n sload\n dup9\n swap1\n sub\n swap1\n sstore\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":400:413 */\n swap4\n dup8\n and\n dup1\n dup4\n mstore\n swap2\n dup5\n swap1\n sha3\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":400:423 */\n dup1\n sload\n dup8\n add\n swap1\n sstore\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":437:470 */\n dup4\n mload\n dup7\n dup2\n mstore\n swap4\n mload\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":400:413 */\n swap2\n swap4\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":437:470 */\n 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef\n swap3\n swap1\n dup2\n swap1\n sub\n swap1\n swap2\n add\n swap1\n log3\n pop\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":491:495 */\n 0x1\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":484:495 */\n jump(tag_44)\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":263:529 */\n tag_54:\n pop\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":521:526 */\n 0x0\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":514:526 */\n jump(tag_44)\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":263:529 */\n tag_55:\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":125:535 */\n tag_52:\n swap3\n swap2\n pop\n pop\n jump\t// out\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1280:1406 */\n tag_43:\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1374:1389 */\n 0xffffffffffffffffffffffffffffffffffffffff\n dup1\n dup4\n and\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1351:1355 */\n 0x0\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1374:1389 */\n swap1\n dup2\n mstore\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1374:1381 */\n 0x1\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1374:1389 */\n 0x20\n swap1\n dup2\n mstore\n 0x40\n dup1\n dup4\n sha3\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1374:1399 */\n swap4\n dup6\n and\n dup4\n mstore\n swap3\n swap1\n mstore\n sha3\n sload\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1280:1406 */\n tag_56:\n swap3\n swap2\n pop\n pop\n jump\t// out\n}\n", - "bytecode": { - "linkReferences": {}, - "object": 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- "opcodes": "PUSH1 0x60 PUSH1 0x40 MSTORE PUSH12 0x33B2E3C9FD0803CE8000000 PUSH1 0x3 SSTORE CALLVALUE ISZERO PUSH2 0x1C JUMPI INVALID JUMPDEST JUMPDEST PUSH1 0x3 SLOAD PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB CALLER AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 SHA3 SSTORE JUMPDEST JUMPDEST PUSH2 0x78D DUP1 PUSH2 0x4A PUSH1 0x0 CODECOPY PUSH1 0x0 RETURN STOP PUSH1 0x60 PUSH1 0x40 MSTORE CALLDATASIZE ISZERO PUSH2 0x96 JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x6FDDE03 DUP2 EQ PUSH2 0x98 JUMPI DUP1 PUSH4 0x95EA7B3 EQ PUSH2 0x146 JUMPI DUP1 PUSH4 0x18160DDD EQ PUSH2 0x186 JUMPI DUP1 PUSH4 0x23B872DD EQ PUSH2 0x1A8 JUMPI DUP1 PUSH4 0x313CE567 EQ PUSH2 0x1EE JUMPI DUP1 PUSH4 0x70A08231 EQ PUSH2 0x214 JUMPI DUP1 PUSH4 0x95D89B41 EQ PUSH2 0x24F JUMPI DUP1 PUSH4 0xA9059CBB EQ PUSH2 0x2FD JUMPI DUP1 PUSH4 0xDD62ED3E EQ PUSH2 0x33D JUMPI JUMPDEST INVALID JUMPDEST CALLVALUE ISZERO PUSH2 0xA0 JUMPI INVALID JUMPDEST PUSH2 0xA8 PUSH2 0x37E JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 ADD SWAP1 DUP1 DUP4 DUP4 DUP3 ISZERO PUSH2 0x10C JUMPI JUMPDEST DUP1 MLOAD DUP3 MSTORE PUSH1 0x20 DUP4 GT ISZERO PUSH2 0x10C JUMPI PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0xCE JUMP JUMPDEST POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x138 JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x14E JUMPI INVALID JUMPDEST PUSH2 0x172 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x3B5 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x18E JUMPI INVALID JUMPDEST PUSH2 0x196 PUSH2 0x42D JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x1B0 JUMPI INVALID JUMPDEST PUSH2 0x172 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x433 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x1F6 JUMPI INVALID JUMPDEST PUSH2 0x1FE PUSH2 0x5D4 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0xFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x21C JUMPI INVALID JUMPDEST PUSH2 0x196 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x5D9 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x257 JUMPI INVALID JUMPDEST PUSH2 0xA8 PUSH2 0x605 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 ADD SWAP1 DUP1 DUP4 DUP4 DUP3 ISZERO PUSH2 0x10C JUMPI JUMPDEST DUP1 MLOAD DUP3 MSTORE PUSH1 0x20 DUP4 GT ISZERO PUSH2 0x10C JUMPI PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0xCE JUMP JUMPDEST POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x138 JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x305 JUMPI INVALID JUMPDEST PUSH2 0x172 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x63C JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x345 JUMPI INVALID JUMPDEST PUSH2 0x196 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0x727 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST PUSH1 0x40 DUP1 MLOAD DUP1 DUP3 ADD SWAP1 SWAP2 MSTORE PUSH1 0x11 DUP2 MSTORE PUSH32 0x30782050726F746F636F6C20546F6B656E000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF CALLER DUP2 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 SHA3 SWAP5 DUP8 AND DUP1 DUP5 MSTORE SWAP5 DUP3 MSTORE DUP1 DUP4 SHA3 DUP7 SWAP1 SSTORE DUP1 MLOAD DUP7 DUP2 MSTORE SWAP1 MLOAD SWAP3 SWAP5 SWAP4 SWAP3 PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 SWAP3 SWAP2 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP PUSH1 0x1 JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x3 SLOAD DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP5 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 SHA3 CALLER SWAP1 SWAP6 AND DUP4 MSTORE SWAP4 DUP2 MSTORE DUP4 DUP3 SHA3 SLOAD SWAP3 DUP3 MSTORE DUP2 SWAP1 MSTORE SWAP2 DUP3 SHA3 SLOAD DUP4 SWAP1 LT DUP1 ISZERO SWAP1 PUSH2 0x483 JUMPI POP DUP3 DUP2 LT ISZERO JUMPDEST DUP1 ISZERO PUSH2 0x4B6 JUMPI POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 SHA3 SLOAD DUP4 DUP2 ADD LT ISZERO JUMPDEST ISZERO PUSH2 0x5C6 JUMPI PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP6 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP1 DUP3 SHA3 DUP1 SLOAD DUP8 ADD SWAP1 SSTORE SWAP2 DUP8 AND DUP2 MSTORE SHA3 DUP1 SLOAD DUP5 SWAP1 SUB SWAP1 SSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 LT ISZERO PUSH2 0x558 JUMPI PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP7 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 SHA3 CALLER SWAP1 SWAP5 AND DUP4 MSTORE SWAP3 SWAP1 MSTORE SHA3 DUP1 SLOAD DUP5 SWAP1 SUB SWAP1 SSTORE JUMPDEST DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF DUP6 PUSH1 0x40 MLOAD DUP1 DUP3 DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 PUSH1 0x1 SWAP2 POP PUSH2 0x5CB JUMP JUMPDEST PUSH1 0x0 SWAP2 POP JUMPDEST JUMPDEST POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x12 DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 SHA3 SLOAD JUMPDEST SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD DUP1 DUP3 ADD SWAP1 SWAP2 MSTORE PUSH1 0x3 DUP2 MSTORE PUSH32 0x5A52580000000000000000000000000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF CALLER AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP2 SHA3 SLOAD DUP3 SWAP1 LT DUP1 ISZERO SWAP1 PUSH2 0x699 JUMPI POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 SHA3 SLOAD DUP3 DUP2 ADD LT ISZERO JUMPDEST ISZERO PUSH2 0x718 JUMPI PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF CALLER DUP2 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 SHA3 DUP1 SLOAD DUP9 SWAP1 SUB SWAP1 SSTORE SWAP4 DUP8 AND DUP1 DUP4 MSTORE SWAP2 DUP5 SWAP1 SHA3 DUP1 SLOAD DUP8 ADD SWAP1 SSTORE DUP4 MLOAD DUP7 DUP2 MSTORE SWAP4 MLOAD SWAP2 SWAP4 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP3 SWAP1 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP PUSH1 0x1 PUSH2 0x427 JUMP JUMPDEST POP PUSH1 0x0 PUSH2 0x427 JUMP JUMPDEST JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 SHA3 SWAP4 DUP6 AND DUP4 MSTORE SWAP3 SWAP1 MSTORE SHA3 SLOAD JUMPDEST SWAP3 SWAP2 POP POP JUMP STOP LOG1 PUSH6 0x627A7A723058 SHA3 0x1b JUMPDEST PUSH17 0xCF82A73DEC658C2E60AB9A0F8E2BA01A74 0xb6 PUSH11 0x6F5B0402F56D2EA0FFCF00 0x29 ", - "sourceMap": "795:455:3:-;;;966:6;937:35;;1158:90;;;;;;;1230:11;;-1:-1:-1;;;;;1216:10:3;1207:20;:8;:20;;;;;;;;;;:34;1158:90;795:455;;;;;;;" - }, - "deployedBytecode": { - "linkReferences": {}, - "object": 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- "opcodes": "PUSH1 0x60 PUSH1 0x40 MSTORE CALLDATASIZE ISZERO PUSH2 0x96 JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x6FDDE03 DUP2 EQ PUSH2 0x98 JUMPI DUP1 PUSH4 0x95EA7B3 EQ PUSH2 0x146 JUMPI DUP1 PUSH4 0x18160DDD EQ PUSH2 0x186 JUMPI DUP1 PUSH4 0x23B872DD EQ PUSH2 0x1A8 JUMPI DUP1 PUSH4 0x313CE567 EQ PUSH2 0x1EE JUMPI DUP1 PUSH4 0x70A08231 EQ PUSH2 0x214 JUMPI DUP1 PUSH4 0x95D89B41 EQ PUSH2 0x24F JUMPI DUP1 PUSH4 0xA9059CBB EQ PUSH2 0x2FD JUMPI DUP1 PUSH4 0xDD62ED3E EQ PUSH2 0x33D JUMPI JUMPDEST INVALID JUMPDEST CALLVALUE ISZERO PUSH2 0xA0 JUMPI INVALID JUMPDEST PUSH2 0xA8 PUSH2 0x37E JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 ADD SWAP1 DUP1 DUP4 DUP4 DUP3 ISZERO PUSH2 0x10C JUMPI JUMPDEST DUP1 MLOAD DUP3 MSTORE PUSH1 0x20 DUP4 GT ISZERO PUSH2 0x10C JUMPI PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0xCE JUMP JUMPDEST POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x138 JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x14E JUMPI INVALID JUMPDEST PUSH2 0x172 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x3B5 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x18E JUMPI INVALID JUMPDEST PUSH2 0x196 PUSH2 0x42D JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x1B0 JUMPI INVALID JUMPDEST PUSH2 0x172 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x433 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x1F6 JUMPI INVALID JUMPDEST PUSH2 0x1FE PUSH2 0x5D4 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0xFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x21C JUMPI INVALID JUMPDEST PUSH2 0x196 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x5D9 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x257 JUMPI INVALID JUMPDEST PUSH2 0xA8 PUSH2 0x605 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 ADD SWAP1 DUP1 DUP4 DUP4 DUP3 ISZERO PUSH2 0x10C JUMPI JUMPDEST DUP1 MLOAD DUP3 MSTORE PUSH1 0x20 DUP4 GT ISZERO PUSH2 0x10C JUMPI PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0xCE JUMP JUMPDEST POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x138 JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x305 JUMPI INVALID JUMPDEST PUSH2 0x172 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x63C JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x345 JUMPI INVALID JUMPDEST PUSH2 0x196 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0x727 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST PUSH1 0x40 DUP1 MLOAD DUP1 DUP3 ADD SWAP1 SWAP2 MSTORE PUSH1 0x11 DUP2 MSTORE PUSH32 0x30782050726F746F636F6C20546F6B656E000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF CALLER DUP2 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 SHA3 SWAP5 DUP8 AND DUP1 DUP5 MSTORE SWAP5 DUP3 MSTORE DUP1 DUP4 SHA3 DUP7 SWAP1 SSTORE DUP1 MLOAD DUP7 DUP2 MSTORE SWAP1 MLOAD SWAP3 SWAP5 SWAP4 SWAP3 PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 SWAP3 SWAP2 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP PUSH1 0x1 JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x3 SLOAD DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP5 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 SHA3 CALLER SWAP1 SWAP6 AND DUP4 MSTORE SWAP4 DUP2 MSTORE DUP4 DUP3 SHA3 SLOAD SWAP3 DUP3 MSTORE DUP2 SWAP1 MSTORE SWAP2 DUP3 SHA3 SLOAD DUP4 SWAP1 LT DUP1 ISZERO SWAP1 PUSH2 0x483 JUMPI POP DUP3 DUP2 LT ISZERO JUMPDEST DUP1 ISZERO PUSH2 0x4B6 JUMPI POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 SHA3 SLOAD DUP4 DUP2 ADD LT ISZERO JUMPDEST ISZERO PUSH2 0x5C6 JUMPI PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP6 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP1 DUP3 SHA3 DUP1 SLOAD DUP8 ADD SWAP1 SSTORE SWAP2 DUP8 AND DUP2 MSTORE SHA3 DUP1 SLOAD DUP5 SWAP1 SUB SWAP1 SSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 LT ISZERO PUSH2 0x558 JUMPI PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP7 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 SHA3 CALLER SWAP1 SWAP5 AND DUP4 MSTORE SWAP3 SWAP1 MSTORE SHA3 DUP1 SLOAD DUP5 SWAP1 SUB SWAP1 SSTORE JUMPDEST DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF DUP6 PUSH1 0x40 MLOAD DUP1 DUP3 DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 PUSH1 0x1 SWAP2 POP PUSH2 0x5CB JUMP JUMPDEST PUSH1 0x0 SWAP2 POP JUMPDEST JUMPDEST POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x12 DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 SHA3 SLOAD JUMPDEST SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD DUP1 DUP3 ADD SWAP1 SWAP2 MSTORE PUSH1 0x3 DUP2 MSTORE PUSH32 0x5A52580000000000000000000000000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF CALLER AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP2 SHA3 SLOAD DUP3 SWAP1 LT DUP1 ISZERO SWAP1 PUSH2 0x699 JUMPI POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 SHA3 SLOAD DUP3 DUP2 ADD LT ISZERO JUMPDEST ISZERO PUSH2 0x718 JUMPI PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF CALLER DUP2 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 SHA3 DUP1 SLOAD DUP9 SWAP1 SUB SWAP1 SSTORE SWAP4 DUP8 AND DUP1 DUP4 MSTORE SWAP2 DUP5 SWAP1 SHA3 DUP1 SLOAD DUP8 ADD SWAP1 SSTORE DUP4 MLOAD DUP7 DUP2 MSTORE SWAP4 MLOAD SWAP2 SWAP4 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP3 SWAP1 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP PUSH1 0x1 PUSH2 0x427 JUMP JUMPDEST POP PUSH1 0x0 PUSH2 0x427 JUMP JUMPDEST JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 SHA3 SWAP4 DUP6 AND DUP4 MSTORE SWAP3 SWAP1 MSTORE SHA3 SLOAD JUMPDEST SWAP3 SWAP2 POP POP JUMP STOP LOG1 PUSH6 0x627A7A723058 SHA3 0x1b JUMPDEST PUSH17 0xCF82A73DEC658C2E60AB9A0F8E2BA01A74 0xb6 PUSH11 0x6F5B0402F56D2EA0FFCF00 0x29 ", - "sourceMap": 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- }, - "gasEstimates": { - "creation": { - "codeDepositCost": "386600", - "executionCost": "40780", - "totalCost": "427380" - }, - "external": { - "allowance(address,address)": "737", - "approve(address,uint256)": "22218", - "balanceOf(address)": "579", - "decimals()": "270", - "name()": "530", - "symbol()": "662", - "totalSupply()": "417", - "transfer(address,uint256)": "43393", - "transferFrom(address,address,uint256)": "64116" - } - }, - "legacyAssembly": { - ".code": [ - { - "begin": 795, - "end": 1250, - "name": "PUSH", - "value": "60" - }, - { - "begin": 795, - "end": 1250, - "name": "PUSH", - "value": "40" - }, - { - "begin": 795, - "end": 1250, - "name": "MSTORE" - }, - { - "begin": 966, - "end": 972, - "name": "PUSH", - "value": "33B2E3C9FD0803CE8000000" - }, - { - "begin": 937, - "end": 972, - "name": "PUSH", - "value": "3" - }, - { - "begin": 937, - "end": 972, - "name": "SSTORE" - }, - { - "begin": 1158, - "end": 1248, - "name": "CALLVALUE" - }, - { - "begin": 1158, - 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"name": "Identifier", - "src": "1230:11:3" - } - ], - "id": 27, - "name": "Assignment", - "src": "1207:34:3" - } - ], - "id": 28, - "name": "ExpressionStatement", - "src": "1207:34:3" - } - ], - "id": 29, - "name": "Block", - "src": "1197:51:3" - } - ], - "id": 30, - "name": "FunctionDefinition", - "src": "1158:90:3" - } - ], - "id": 31, - "name": "ContractDefinition", - "src": "795:455:3" - } - ], - "name": "SourceUnit" - } - } - }, - "sourceCodes": { - "1.0.0/ERC20Token/ERC20Token_v1.sol": "pragma solidity ^0.4.11;\n\nimport { Token_v1 as Token } from \"../Token/Token_v1.sol\";\n\ncontract ERC20Token_v1 is Token {\n\n function transfer(address _to, uint _value) returns (bool) {\n //Default assumes totalSupply can't be over max (2^256 - 1).\n if (balances[msg.sender] >= _value && balances[_to] + _value >= balances[_to]) {\n balances[msg.sender] -= _value;\n balances[_to] += _value;\n Transfer(msg.sender, _to, _value);\n return true;\n } else { return false; }\n }\n\n function transferFrom(address _from, address _to, uint _value) returns (bool) {\n if (balances[_from] >= _value && allowed[_from][msg.sender] >= _value && balances[_to] + _value >= balances[_to]) {\n balances[_to] += _value;\n balances[_from] -= _value;\n allowed[_from][msg.sender] -= _value;\n Transfer(_from, _to, _value);\n return true;\n } else { return false; }\n }\n\n function balanceOf(address _owner) constant returns (uint) {\n return balances[_owner];\n }\n\n function approve(address _spender, uint _value) returns (bool) {\n allowed[msg.sender][_spender] = _value;\n Approval(msg.sender, _spender, _value);\n return true;\n }\n\n function allowance(address _owner, address _spender) constant returns (uint) {\n return allowed[_owner][_spender];\n }\n\n mapping (address => uint) balances;\n mapping (address => mapping (address => uint)) allowed;\n uint public totalSupply;\n}\n", - "1.0.0/Token/Token_v1.sol": "pragma solidity ^0.4.11;\n\ncontract Token_v1 {\n\n /// @return total amount of tokens\n function totalSupply() constant returns (uint supply) {}\n\n /// @param _owner The address from which the balance will be retrieved\n /// @return The balance\n function balanceOf(address _owner) constant returns (uint balance) {}\n\n /// @notice send `_value` token to `_to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return Whether the transfer was successful or not\n function transfer(address _to, uint _value) returns (bool success) {}\n\n /// @notice send `_value` token to `_to` from `_from` on the condition it is approved by `_from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return Whether the transfer was successful or not\n function transferFrom(address _from, address _to, uint _value) returns (bool success) {}\n\n /// @notice `msg.sender` approves `_addr` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Whether the approval was successful or not\n function approve(address _spender, uint _value) returns (bool success) {}\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender) constant returns (uint remaining) {}\n\n event Transfer(address indexed _from, address indexed _to, uint _value);\n event Approval(address indexed _owner, address indexed _spender, uint _value);\n}\n\n", - "1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity ^0.4.11;\n\nimport { ERC20Token_v1 as ERC20Token } from \"../ERC20Token/ERC20Token_v1.sol\";\n\ncontract UnlimitedAllowanceToken_v1 is ERC20Token {\n\n uint constant MAX_UINT = 2**256 - 1;\n\n /// @dev ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited allowance.\n /// @param _from Address to transfer from.\n /// @param _to Address to transfer to.\n /// @param _value Amount to transfer.\n /// @return Success of transfer.\n function transferFrom(address _from, address _to, uint _value)\n public\n returns (bool)\n {\n uint allowance = allowed[_from][msg.sender];\n if (balances[_from] >= _value\n && allowance >= _value\n && balances[_to] + _value >= balances[_to]\n ) {\n balances[_to] += _value;\n balances[_from] -= _value;\n if (allowance < MAX_UINT) {\n allowed[_from][msg.sender] -= _value;\n }\n Transfer(_from, _to, _value);\n return true;\n } else {\n return false;\n }\n }\n}\n", - "2.0.0/tokens/ZRXToken/ZRXToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.11;\n\n// solhint-disable-next-line max-line-length\nimport { UnlimitedAllowanceToken_v1 as UnlimitedAllowanceToken } from \"../../../1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\";\n\n\ncontract ZRXToken is \n UnlimitedAllowanceToken\n{\n\n // solhint-disable const-name-snakecase\n uint8 constant public decimals = 18;\n uint256 public totalSupply = 10**27; // 1 billion tokens, 18 decimal places\n string constant public name = \"0x Protocol Token\";\n string constant public symbol = \"ZRX\";\n // solhint-enableconst-name-snakecase\n\n function ZRXToken()\n public\n {\n balances[msg.sender] = totalSupply;\n }\n}\n" - }, - "sourceTreeHashHex": "0xe3fb14114a377d3b5f004168d4f43cb29ab930b3277425645bdbd609bf974317", - "compiler": { - "name": "solc", - "version": "soljson-v0.4.11+commit.68ef5810.js", - "settings": { - "optimizer": { - "enabled": true, - "runs": 1000000 - }, - "outputSelection": { - "*": { - "*": [ - "abi", - "evm.bytecode.object", - "evm.bytecode.sourceMap", - "evm.deployedBytecode.object", - "evm.deployedBytecode.sourceMap" - ] - } - } - } - }, - "networks": { - "3": { - "address": "0xff67881f8d12f372d91baae9752eb3631ff0ed00", - "links": {}, - "constructorArgs": "[\"0x Protocol Token\",\"ZRX\",\"18\",\"1000000000000000000000000000\"]" - }, - "42": { - "address": "0x2002d3812f58e35f0ea1ffbf80a75a38c32175fa", - "links": {}, - "constructorArgs": "[\"0x Protocol Token\",\"ZRX\",\"18\",\"1000000000000000000000000000\"]" - }, - "50": { - "address": "0x871dd7c2b4b25e1aa18728e9d5f2af4c4e431f5c", - "links": {}, - "constructorArgs": "[]" - } - } -} diff --git a/packages/migrations/artifacts/2.0.0-testnet/AssetProxyOwner.json b/packages/migrations/artifacts/2.0.0-testnet/AssetProxyOwner.json new file mode 100644 index 000000000..86fc10924 --- /dev/null +++ b/packages/migrations/artifacts/2.0.0-testnet/AssetProxyOwner.json @@ -0,0 +1,1012 @@ +{ + "schemaVersion": "2.0.0", + "contractName": "AssetProxyOwner", + "compilerOutput": { + "abi": [ + { + "constant": true, + "inputs": [ + { + "name": "", + "type": "uint256" + } + ], + "name": "owners", + "outputs": [ + { + "name": "", + "type": "address" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "owner", + "type": "address" + } + ], + "name": "removeOwner", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "transactionId", + "type": "uint256" + } + ], + "name": "revokeConfirmation", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "", + "type": "address" + } + ], + "name": "isOwner", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + 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+ "opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE CALLVALUE DUP1 ISZERO PUSH3 0x11 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x40 MLOAD PUSH3 0x2463 CODESIZE SUB DUP1 PUSH3 0x2463 DUP4 CODECOPY DUP2 ADD PUSH1 0x40 SWAP1 DUP2 MSTORE DUP2 MLOAD PUSH1 0x20 DUP4 ADD MLOAD SWAP2 DUP4 ADD MLOAD PUSH1 0x60 DUP5 ADD MLOAD SWAP2 DUP5 ADD DUP1 MLOAD SWAP1 SWAP5 SWAP4 SWAP1 SWAP4 ADD SWAP3 SWAP1 SWAP2 SWAP1 PUSH1 0x0 SWAP1 DUP2 SWAP1 DUP7 SWAP1 DUP6 SWAP1 DUP6 SWAP1 DUP4 SWAP1 DUP4 SWAP1 DUP7 SWAP1 DUP3 PUSH1 0x32 DUP3 GT DUP1 ISZERO SWAP1 PUSH3 0x6C JUMPI POP DUP2 DUP2 GT ISZERO JUMPDEST DUP1 ISZERO PUSH3 0x78 JUMPI POP DUP1 ISZERO ISZERO JUMPDEST DUP1 ISZERO PUSH3 0x84 JUMPI POP DUP2 ISZERO ISZERO JUMPDEST ISZERO ISZERO PUSH3 0x90 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 SWAP3 POP JUMPDEST DUP5 MLOAD DUP4 LT ISZERO PUSH3 0x168 JUMPI PUSH1 0x2 PUSH1 0x0 DUP7 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH3 0xB2 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD DUP2 ADD MLOAD PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB AND DUP3 MSTORE DUP2 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0x40 ADD PUSH1 0x0 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO DUP1 ISZERO PUSH3 0x108 JUMPI POP DUP5 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH3 0xF0 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB AND PUSH1 0x0 EQ ISZERO JUMPDEST ISZERO ISZERO PUSH3 0x114 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x1 PUSH1 0x2 PUSH1 0x0 DUP8 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH3 0x129 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP2 SWAP1 SWAP2 ADD DUP2 ADD MLOAD PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB AND DUP3 MSTORE DUP2 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0x40 ADD PUSH1 0x0 KECCAK256 DUP1 SLOAD PUSH1 0xFF NOT AND SWAP2 ISZERO ISZERO SWAP2 SWAP1 SWAP2 OR SWAP1 SSTORE PUSH1 0x1 SWAP3 SWAP1 SWAP3 ADD SWAP2 PUSH3 0x95 JUMP JUMPDEST DUP5 MLOAD PUSH3 0x17D SWAP1 PUSH1 0x3 SWAP1 PUSH1 0x20 DUP9 ADD SWAP1 PUSH3 0x26C JUMP JUMPDEST POP POP POP PUSH1 0x4 SWAP2 SWAP1 SWAP2 SSTORE POP POP PUSH1 0x6 SSTORE POP PUSH1 0x0 SWAP3 POP POP JUMPDEST DUP5 MLOAD DUP3 LT ISZERO PUSH3 0x260 JUMPI DUP5 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH3 0x1AB JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD SWAP1 POP PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB DUP2 AND ISZERO ISZERO PUSH3 0x22F JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x494E56414C49445F41535345545F50524F585900000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x8 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 DUP1 SLOAD PUSH1 0xFF NOT AND PUSH1 0x1 SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH3 0x192 JUMP JUMPDEST POP POP POP POP POP POP PUSH3 0x300 JUMP JUMPDEST DUP3 DUP1 SLOAD DUP3 DUP3 SSTORE SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 DUP2 ADD SWAP3 DUP3 ISZERO PUSH3 0x2C4 JUMPI SWAP2 PUSH1 0x20 MUL DUP3 ADD JUMPDEST DUP3 DUP2 GT ISZERO PUSH3 0x2C4 JUMPI DUP3 MLOAD DUP3 SLOAD PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB NOT AND PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB SWAP1 SWAP2 AND OR DUP3 SSTORE PUSH1 0x20 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH3 0x28D JUMP JUMPDEST POP PUSH3 0x2D2 SWAP3 SWAP2 POP PUSH3 0x2D6 JUMP JUMPDEST POP SWAP1 JUMP JUMPDEST PUSH3 0x2FD SWAP2 SWAP1 JUMPDEST DUP1 DUP3 GT ISZERO PUSH3 0x2D2 JUMPI DUP1 SLOAD PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB NOT AND DUP2 SSTORE PUSH1 0x1 ADD PUSH3 0x2DD JUMP JUMPDEST SWAP1 JUMP JUMPDEST PUSH2 0x2153 DUP1 PUSH3 0x310 PUSH1 0x0 CODECOPY PUSH1 0x0 RETURN STOP PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0x15E JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x25E7C27 DUP2 EQ PUSH2 0x1A0 JUMPI DUP1 PUSH4 0x173825D9 EQ PUSH2 0x1E1 JUMPI DUP1 PUSH4 0x20EA8D86 EQ PUSH2 0x20F JUMPI DUP1 PUSH4 0x2F54BF6E EQ PUSH2 0x227 JUMPI DUP1 PUSH4 0x3411C81C EQ PUSH2 0x269 JUMPI DUP1 PUSH4 0x3589B35C EQ PUSH2 0x29A JUMPI DUP1 PUSH4 0x37BD78A0 EQ PUSH2 0x2B2 JUMPI DUP1 PUSH4 0x54741525 EQ PUSH2 0x2D9 JUMPI DUP1 PUSH4 0x5A1A66AF EQ PUSH2 0x2F8 JUMPI DUP1 PUSH4 0x7065CB48 EQ PUSH2 0x32B JUMPI DUP1 PUSH4 0x784547A7 EQ PUSH2 0x359 JUMPI DUP1 PUSH4 0x7AD28C51 EQ PUSH2 0x371 JUMPI DUP1 PUSH4 0x83250F79 EQ PUSH2 0x389 JUMPI DUP1 PUSH4 0x8B51D13F EQ PUSH2 0x3B7 JUMPI DUP1 PUSH4 0x9ACE38C2 EQ PUSH2 0x3CF JUMPI DUP1 PUSH4 0xA0E67E2B EQ PUSH2 0x4A4 JUMPI DUP1 PUSH4 0xA8ABE69A EQ PUSH2 0x509 JUMPI DUP1 PUSH4 0xB5DC40C3 EQ PUSH2 0x52E JUMPI DUP1 PUSH4 0xB77BF600 EQ PUSH2 0x546 JUMPI DUP1 PUSH4 0xBA51A6DF EQ PUSH2 0x55B JUMPI DUP1 PUSH4 0xC01A8C84 EQ PUSH2 0x573 JUMPI DUP1 PUSH4 0xC6427474 EQ PUSH2 0x58B JUMPI DUP1 PUSH4 0xD38F2D82 EQ PUSH2 0x601 JUMPI DUP1 PUSH4 0xD74F8EDD EQ PUSH2 0x619 JUMPI DUP1 PUSH4 0xDC8452CD EQ PUSH2 0x62E JUMPI DUP1 PUSH4 0xE20056E6 EQ PUSH2 0x643 JUMPI DUP1 PUSH4 0xEE22610B EQ PUSH2 0x677 JUMPI JUMPDEST PUSH1 0x0 CALLVALUE GT ISZERO PUSH2 0x19E JUMPI PUSH1 0x40 DUP1 MLOAD CALLVALUE DUP2 MSTORE SWAP1 MLOAD CALLER SWAP2 PUSH32 0xE1FFFCC4923D04B559F4D29A8BFC6CDA04EB5B0D3C460751C2402C5C5CC9109C SWAP2 SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 LOG2 JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1AC JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1B8 PUSH1 0x4 CALLDATALOAD PUSH2 0x68F JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1ED JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x6C4 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x21B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0x91B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x233 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x255 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x9F3 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x275 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x255 PUSH1 0x4 CALLDATALOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x24 CALLDATALOAD AND PUSH2 0xA08 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2A6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0xA28 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2BE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH2 0xEDA JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2E5 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH1 0x4 CALLDATALOAD ISZERO ISZERO PUSH1 0x24 CALLDATALOAD ISZERO ISZERO PUSH2 0xEE0 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x304 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD ISZERO ISZERO PUSH2 0xF4C JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x337 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x100B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x365 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x255 PUSH1 0x4 CALLDATALOAD PUSH2 0x1180 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x37D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0x1211 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x395 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x255 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x1258 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3C3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH1 0x4 CALLDATALOAD PUSH2 0x126D JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3DB JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x3E7 PUSH1 0x4 CALLDATALOAD PUSH2 0x12E9 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD DUP5 DUP2 MSTORE PUSH1 0x20 ADD DUP1 PUSH1 0x20 ADD DUP4 ISZERO ISZERO ISZERO ISZERO DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP2 SUB DUP3 MSTORE DUP5 DUP2 DUP2 MLOAD DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP DUP1 MLOAD SWAP1 PUSH1 0x20 ADD SWAP1 DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x466 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x44E JUMP JUMPDEST POP POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x493 JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP6 POP POP POP POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x4B0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x4B9 PUSH2 0x13D2 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 DUP2 ADD SWAP2 MUL DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x4F5 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x4DD JUMP JUMPDEST POP POP POP POP SWAP1 POP ADD SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x515 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x4B9 PUSH1 0x4 CALLDATALOAD PUSH1 0x24 CALLDATALOAD PUSH1 0x44 CALLDATALOAD ISZERO ISZERO PUSH1 0x64 CALLDATALOAD ISZERO ISZERO PUSH2 0x1442 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x53A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x4B9 PUSH1 0x4 CALLDATALOAD PUSH2 0x157B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x552 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH2 0x1728 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x567 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0x172E JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x57F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0x17AD JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x597 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x4 PUSH1 0x44 CALLDATALOAD DUP2 DUP2 ADD CALLDATALOAD PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP6 ADD DUP5 ADD SWAP1 SWAP6 MSTORE DUP5 DUP5 MSTORE PUSH2 0x2C7 SWAP5 DUP3 CALLDATALOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP5 PUSH1 0x24 DUP1 CALLDATALOAD SWAP6 CALLDATASIZE SWAP6 SWAP5 PUSH1 0x64 SWAP5 SWAP3 ADD SWAP2 SWAP1 DUP2 SWAP1 DUP5 ADD DUP4 DUP3 DUP1 DUP3 DUP5 CALLDATACOPY POP SWAP5 SWAP8 POP PUSH2 0x1921 SWAP7 POP POP POP POP POP POP POP JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x60D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH1 0x4 CALLDATALOAD PUSH2 0x1940 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x625 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH2 0x1952 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x63A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH2 0x1957 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x64F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0x195D JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x683 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0x1B6D JUMP JUMPDEST PUSH1 0x3 DUP1 SLOAD DUP3 SWAP1 DUP2 LT PUSH2 0x69D JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 POP DUP2 JUMP JUMPDEST PUSH1 0x0 CALLER ADDRESS EQ PUSH2 0x6D2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP3 SWAP1 PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x708 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE SWAP2 POP JUMPDEST PUSH1 0x3 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP3 LT ISZERO PUSH2 0x88B JUMPI DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x3 DUP4 DUP2 SLOAD DUP2 LT ISZERO ISZERO PUSH2 0x7A8 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO PUSH2 0x880 JUMPI PUSH1 0x3 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 ADD SWAP1 DUP2 LT PUSH2 0x800 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH1 0x3 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND SWAP2 DUP5 SWAP1 DUP2 LT PUSH2 0x833 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 ADD PUSH1 0x0 PUSH2 0x100 EXP DUP2 SLOAD DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF MUL NOT AND SWAP1 DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND MUL OR SWAP1 SSTORE POP PUSH2 0x88B JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH2 0x756 JUMP JUMPDEST PUSH1 0x3 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 PUSH2 0x8BC SWAP1 DUP3 PUSH2 0x2066 JUMP JUMPDEST POP PUSH1 0x3 SLOAD PUSH1 0x4 SLOAD GT ISZERO PUSH2 0x8D5 JUMPI PUSH1 0x3 SLOAD PUSH2 0x8D5 SWAP1 PUSH2 0x172E JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND SWAP1 PUSH32 0x8001553A916EF2F495D26A907CC54D96ED840D7BDA71E73194BF5A9DF7A76B90 SWAP1 PUSH1 0x0 SWAP1 LOG2 POP POP POP JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x939 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP1 DUP6 MSTORE SWAP3 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD DUP4 SWAP2 SWAP1 PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x965 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x3 ADD SLOAD DUP5 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0x986 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP6 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP1 DUP6 MSTORE SWAP3 MSTORE DUP1 DUP4 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE MLOAD DUP8 SWAP3 PUSH32 0xF6A317157440607F36269043EB55F1287A5A19BA2216AFEAB88CD46CBCFB88E9 SWAP2 LOG3 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x0 SWAP3 DUP4 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 SWAP1 SWAP2 MSTORE SWAP1 DUP3 MSTORE SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP2 KECCAK256 PUSH1 0x3 ADD SLOAD DUP3 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0xA49 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP3 PUSH2 0xA53 DUP2 PUSH2 0x1180 JUMP JUMPDEST ISZERO ISZERO PUSH2 0xAC0 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x54585F4E4F545F46554C4C595F434F4E4649524D454400000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP5 MSTORE PUSH1 0x8 SWAP1 SWAP3 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD DUP6 SWAP2 SWAP1 PUSH1 0xFF AND ISZERO ISZERO PUSH2 0xB65 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x18 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x554E524547495354455245445F41535345545F50524F58590000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x72656D6F7665417574686F72697A6564416464726573734174496E6465782861 DUP2 MSTORE PUSH32 0x6464726573732C75696E74323536290000000000000000000000000000000000 PUSH1 0x20 DUP1 DUP4 ADD SWAP2 SWAP1 SWAP2 MSTORE DUP3 MLOAD SWAP2 DUP3 SWAP1 SUB PUSH1 0x2F ADD DUP3 KECCAK256 PUSH1 0x2 DUP1 DUP7 ADD DUP1 SLOAD PUSH1 0x1F PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH2 0x100 PUSH1 0x1 DUP5 AND ISZERO MUL ADD SWAP1 SWAP2 AND SWAP3 SWAP1 SWAP3 DIV SWAP2 DUP3 ADD DUP5 SWAP1 DIV DUP5 MUL DUP6 ADD DUP5 ADD SWAP1 SWAP6 MSTORE DUP1 DUP5 MSTORE PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 SWAP1 SWAP2 AND SWAP4 PUSH2 0xCA1 SWAP4 PUSH1 0x0 SWAP4 SWAP1 SWAP3 SWAP1 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0xC8E JUMPI DUP1 PUSH1 0x1F LT PUSH2 0xC63 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0xC8E JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0xC71 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP PUSH2 0x1DFD SWAP1 SWAP2 SWAP1 PUSH4 0xFFFFFFFF AND JUMP JUMPDEST PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND EQ PUSH2 0xD2F JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x19 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x494E56414C49445F46554E4354494F4E5F53454C4543544F5200000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP7 DUP2 MSTORE PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 SWAP2 DUP3 SWAP1 KECCAK256 PUSH1 0x3 DUP2 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP2 SLOAD DUP2 DUP4 ADD SLOAD PUSH1 0x2 DUP1 DUP6 ADD DUP1 SLOAD DUP9 MLOAD PUSH1 0x1F PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP8 DUP4 AND ISZERO PUSH2 0x100 MUL SWAP8 SWAP1 SWAP8 ADD SWAP1 SWAP2 AND SWAP3 SWAP1 SWAP3 DIV SWAP5 DUP6 ADD DUP8 SWAP1 DIV DUP8 MUL DUP3 ADD DUP8 ADD SWAP1 SWAP8 MSTORE DUP4 DUP2 MSTORE SWAP4 SWAP11 POP PUSH2 0xE47 SWAP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND SWAP5 SWAP1 SWAP4 SWAP2 SWAP1 DUP4 SWAP1 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0xE3D JUMPI DUP1 PUSH1 0x1F LT PUSH2 0xE12 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0xE3D JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0xE20 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP PUSH2 0x1EC5 JUMP JUMPDEST ISZERO PUSH2 0xE7C JUMPI PUSH1 0x40 MLOAD DUP7 SWAP1 PUSH32 0x33E13ECB54C3076D8E8BB8C2881800A4D972B792045FFAE98FDF46DF365FED75 SWAP1 PUSH1 0x0 SWAP1 LOG2 PUSH2 0xED2 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP7 SWAP1 PUSH32 0x526441BB6C1ABA3C9A4A6CA1D6545DA9C2333C8C48343EF398EB858D72B79236 SWAP1 PUSH1 0x0 SWAP1 LOG2 PUSH1 0x3 DUP6 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE JUMPDEST POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x6 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x0 DUP1 JUMPDEST PUSH1 0x5 SLOAD DUP2 LT ISZERO PUSH2 0xF45 JUMPI DUP4 DUP1 ISZERO PUSH2 0xF0D JUMPI POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x3 ADD SLOAD PUSH1 0xFF AND ISZERO JUMPDEST DUP1 PUSH2 0xF31 JUMPI POP DUP3 DUP1 ISZERO PUSH2 0xF31 JUMPI POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x3 ADD SLOAD PUSH1 0xFF AND JUMPDEST ISZERO PUSH2 0xF3D JUMPI PUSH1 0x1 DUP3 ADD SWAP2 POP JUMPDEST PUSH1 0x1 ADD PUSH2 0xEE4 JUMP JUMPDEST POP SWAP3 SWAP2 POP POP JUMP JUMPDEST CALLER ADDRESS EQ PUSH2 0xF58 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO ISZERO PUSH2 0xF7B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x8 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP2 DUP3 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND DUP7 ISZERO ISZERO SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP3 MLOAD SWAP4 DUP5 MSTORE SWAP1 DUP4 ADD MSTORE DUP1 MLOAD PUSH32 0xDAEF8FF7DC66C5E34EB9C338AAB679D9F427F89868D9228494455A4D982EB2B0 SWAP3 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG1 POP POP POP JUMP JUMPDEST CALLER ADDRESS EQ PUSH2 0x1017 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP2 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0x104C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO ISZERO PUSH2 0x106F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x3 DUP1 SLOAD SWAP1 POP PUSH1 0x1 ADD PUSH1 0x4 SLOAD PUSH1 0x32 DUP3 GT ISZERO DUP1 ISZERO PUSH2 0x108C JUMPI POP DUP2 DUP2 GT ISZERO JUMPDEST DUP1 ISZERO PUSH2 0x1097 JUMPI POP DUP1 ISZERO ISZERO JUMPDEST DUP1 ISZERO PUSH2 0x10A2 JUMPI POP DUP2 ISZERO ISZERO JUMPDEST ISZERO ISZERO PUSH2 0x10AD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP6 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE PUSH1 0x3 DUP1 SLOAD SWAP2 DUP3 ADD DUP2 SSTORE DUP4 MSTORE PUSH32 0xC2575A0E9E593C00F959F8C92F12DB2869C3395A3B0502D05E2516446F71F85B ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND DUP5 OR SWAP1 SSTORE MLOAD PUSH32 0xF39E6E1EB0EDCF53C221607B54B00CD28F3196FED0A24994DC308B8F611B682D SWAP2 SWAP1 LOG2 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 JUMPDEST PUSH1 0x3 SLOAD DUP2 LT ISZERO PUSH2 0x120A JUMPI PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 PUSH1 0x3 DUP1 SLOAD SWAP2 SWAP3 SWAP2 DUP5 SWAP1 DUP2 LT PUSH2 0x11AE JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 KECCAK256 SWAP1 SWAP2 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP4 MSTORE DUP3 ADD SWAP3 SWAP1 SWAP3 MSTORE PUSH1 0x40 ADD SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x11EF JUMPI PUSH1 0x1 DUP3 ADD SWAP2 POP JUMPDEST PUSH1 0x4 SLOAD DUP3 EQ ISZERO PUSH2 0x1202 JUMPI PUSH1 0x1 SWAP3 POP PUSH2 0x120A JUMP JUMPDEST PUSH1 0x1 ADD PUSH2 0x1185 JUMP JUMPDEST POP POP SWAP2 SWAP1 POP JUMP JUMPDEST CALLER ADDRESS EQ PUSH2 0x121D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x6 DUP2 SWAP1 SSTORE PUSH1 0x40 DUP1 MLOAD DUP3 DUP2 MSTORE SWAP1 MLOAD PUSH32 0xD1C9101A34FEFF75CCCEF14A28785A0279CB0B49C1F321F21F5F422E746B4377 SWAP2 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 LOG1 POP JUMP JUMPDEST PUSH1 0x8 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x0 DUP1 JUMPDEST PUSH1 0x3 SLOAD DUP2 LT ISZERO PUSH2 0x12E3 JUMPI PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 PUSH1 0x3 DUP1 SLOAD SWAP2 SWAP3 SWAP2 DUP5 SWAP1 DUP2 LT PUSH2 0x129A JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 KECCAK256 SWAP1 SWAP2 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP4 MSTORE DUP3 ADD SWAP3 SWAP1 SWAP3 MSTORE PUSH1 0x40 ADD SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x12DB JUMPI PUSH1 0x1 DUP3 ADD SWAP2 POP JUMPDEST PUSH1 0x1 ADD PUSH2 0x1271 JUMP JUMPDEST POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP2 DUP2 MSTORE SWAP2 DUP2 MSTORE PUSH1 0x40 SWAP1 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH1 0x1 DUP1 DUP4 ADD SLOAD PUSH1 0x2 DUP1 DUP6 ADD DUP1 SLOAD DUP8 MLOAD PUSH2 0x100 SWAP6 DUP3 AND ISZERO SWAP6 SWAP1 SWAP6 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD AND SWAP2 SWAP1 SWAP2 DIV PUSH1 0x1F DUP2 ADD DUP9 SWAP1 DIV DUP9 MUL DUP5 ADD DUP9 ADD SWAP1 SWAP7 MSTORE DUP6 DUP4 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP4 AND SWAP6 SWAP1 SWAP5 SWAP2 SWAP3 SWAP2 SWAP1 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x13BF JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x1394 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x13BF JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x13A2 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP PUSH1 0x3 SWAP1 SWAP4 ADD SLOAD SWAP2 SWAP3 POP POP PUSH1 0xFF AND DUP5 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x3 DUP1 SLOAD DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP1 SLOAD DUP1 ISZERO PUSH2 0x1437 JUMPI PUSH1 0x20 MUL DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x140C JUMPI JUMPDEST POP POP POP POP POP SWAP1 POP JUMPDEST SWAP1 JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x0 DUP1 PUSH1 0x5 SLOAD PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x1474 JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP3 POP PUSH1 0x0 SWAP2 POP PUSH1 0x0 SWAP1 POP JUMPDEST PUSH1 0x5 SLOAD DUP2 LT ISZERO PUSH2 0x14FB JUMPI DUP6 DUP1 ISZERO PUSH2 0x14A9 JUMPI POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x3 ADD SLOAD PUSH1 0xFF AND ISZERO JUMPDEST DUP1 PUSH2 0x14CD JUMPI POP DUP5 DUP1 ISZERO PUSH2 0x14CD JUMPI POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x3 ADD SLOAD PUSH1 0xFF AND JUMPDEST ISZERO PUSH2 0x14F3 JUMPI DUP1 DUP4 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x14E1 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MSTORE PUSH1 0x1 SWAP2 SWAP1 SWAP2 ADD SWAP1 JUMPDEST PUSH1 0x1 ADD PUSH2 0x1480 JUMP JUMPDEST DUP8 DUP8 SUB PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x1527 JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP4 POP DUP8 SWAP1 POP JUMPDEST DUP7 DUP2 LT ISZERO PUSH2 0x1570 JUMPI DUP3 DUP2 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1544 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP5 DUP10 DUP4 SUB DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x155E JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MSTORE PUSH1 0x1 ADD PUSH2 0x152E JUMP JUMPDEST POP POP POP SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x0 DUP1 PUSH1 0x3 DUP1 SLOAD SWAP1 POP PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x15B0 JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP3 POP PUSH1 0x0 SWAP2 POP PUSH1 0x0 SWAP1 POP JUMPDEST PUSH1 0x3 SLOAD DUP2 LT ISZERO PUSH2 0x1694 JUMPI PUSH1 0x0 DUP6 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 PUSH1 0x3 DUP1 SLOAD SWAP2 SWAP3 SWAP2 DUP5 SWAP1 DUP2 LT PUSH2 0x15E5 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 KECCAK256 SWAP1 SWAP2 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP4 MSTORE DUP3 ADD SWAP3 SWAP1 SWAP3 MSTORE PUSH1 0x40 ADD SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x168C JUMPI PUSH1 0x3 DUP1 SLOAD DUP3 SWAP1 DUP2 LT PUSH2 0x162D JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD DUP4 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP2 AND SWAP1 DUP5 SWAP1 DUP5 SWAP1 DUP2 LT PUSH2 0x1660 JUMPI INVALID JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND PUSH1 0x20 SWAP3 DUP4 MUL SWAP1 SWAP2 ADD SWAP1 SWAP2 ADD MSTORE PUSH1 0x1 SWAP2 SWAP1 SWAP2 ADD SWAP1 JUMPDEST PUSH1 0x1 ADD PUSH2 0x15BC JUMP JUMPDEST DUP2 PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x16BE JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP4 POP PUSH1 0x0 SWAP1 POP JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x1720 JUMPI DUP3 DUP2 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x16DC JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP5 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x16F4 JUMPI INVALID JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND PUSH1 0x20 SWAP3 DUP4 MUL SWAP1 SWAP2 ADD SWAP1 SWAP2 ADD MSTORE PUSH1 0x1 ADD PUSH2 0x16C6 JUMP JUMPDEST POP POP POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x5 SLOAD DUP2 JUMP JUMPDEST CALLER ADDRESS EQ PUSH2 0x173A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x3 SLOAD DUP2 PUSH1 0x32 DUP3 GT DUP1 ISZERO SWAP1 PUSH2 0x174F JUMPI POP DUP2 DUP2 GT ISZERO JUMPDEST DUP1 ISZERO PUSH2 0x175A JUMPI POP DUP1 ISZERO ISZERO JUMPDEST DUP1 ISZERO PUSH2 0x1765 JUMPI POP DUP2 ISZERO ISZERO JUMPDEST ISZERO ISZERO PUSH2 0x1770 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x4 DUP4 SWAP1 SSTORE PUSH1 0x40 DUP1 MLOAD DUP5 DUP2 MSTORE SWAP1 MLOAD PUSH32 0xA3F1EE9126A074D9326C682F561767F710E927FAA811F7A99829D49DC421797A SWAP2 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 LOG1 POP POP POP JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x17CB JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP3 SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND ISZERO ISZERO PUSH2 0x17FD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP1 DUP6 MSTORE SWAP3 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD DUP5 SWAP2 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0x1828 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP5 PUSH2 0x1832 DUP2 PUSH2 0x1180 JUMP JUMPDEST ISZERO PUSH2 0x189E JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x12 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x54585F46554C4C595F434F4E4649524D45440000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP7 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 CALLER DUP1 DUP7 MSTORE SWAP3 MSTORE DUP1 DUP5 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SWAP4 OR SWAP1 SWAP3 SSTORE SWAP1 MLOAD DUP9 SWAP3 PUSH32 0x4A504A94899432A9846E1AA406DCEB1BCFD538BB839071D49D1E5E23F5BE30EF SWAP2 LOG3 PUSH2 0x1912 DUP7 PUSH2 0x1180 JUMP JUMPDEST ISZERO PUSH2 0xED2 JUMPI PUSH2 0xED2 DUP7 TIMESTAMP PUSH2 0x1EE8 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x192E DUP5 DUP5 DUP5 PUSH2 0x1F33 JUMP JUMPDEST SWAP1 POP PUSH2 0x1939 DUP2 PUSH2 0x17AD JUMP JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x7 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x32 DUP2 JUMP JUMPDEST PUSH1 0x4 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x0 CALLER ADDRESS EQ PUSH2 0x196B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP4 SWAP1 PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x19A1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP4 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0x19D6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 SWAP3 POP JUMPDEST PUSH1 0x3 SLOAD DUP4 LT ISZERO PUSH2 0x1A9B JUMPI DUP5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x3 DUP5 DUP2 SLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1A0B JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO PUSH2 0x1A90 JUMPI DUP4 PUSH1 0x3 DUP5 DUP2 SLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1A43 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 ADD PUSH1 0x0 PUSH2 0x100 EXP DUP2 SLOAD DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF MUL NOT AND SWAP1 DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND MUL OR SWAP1 SSTORE POP PUSH2 0x1A9B JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP3 ADD SWAP2 PUSH2 0x19DB JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP7 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 SWAP1 DUP2 AND SWAP1 SWAP2 SSTORE SWAP4 DUP9 AND DUP3 MSTORE DUP1 DUP3 KECCAK256 DUP1 SLOAD SWAP1 SWAP5 AND PUSH1 0x1 OR SWAP1 SWAP4 SSTORE SWAP2 MLOAD SWAP1 SWAP2 PUSH32 0x8001553A916EF2F495D26A907CC54D96ED840D7BDA71E73194BF5A9DF7A76B90 SWAP2 LOG2 PUSH1 0x40 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP6 AND SWAP1 PUSH32 0xF39E6E1EB0EDCF53C221607B54B00CD28F3196FED0A24994DC308B8F611B682D SWAP1 PUSH1 0x0 SWAP1 LOG2 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP2 KECCAK256 PUSH1 0x3 ADD SLOAD DUP3 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0x1B8E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP3 PUSH2 0x1B98 DUP2 PUSH2 0x1180 JUMP JUMPDEST ISZERO ISZERO PUSH2 0x1C05 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x54585F4E4F545F46554C4C595F434F4E4649524D454400000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x6 SLOAD PUSH1 0x0 DUP6 DUP2 MSTORE PUSH1 0x7 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP6 SWAP2 ADD TIMESTAMP LT ISZERO PUSH2 0x1C88 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x14 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x54494D455F4C4F434B5F494E434F4D504C455445000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP6 DUP2 MSTORE PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 SWAP2 DUP3 SWAP1 KECCAK256 PUSH1 0x3 DUP2 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP2 SLOAD DUP2 DUP4 ADD SLOAD PUSH1 0x2 DUP1 DUP6 ADD DUP1 SLOAD DUP9 MLOAD PUSH1 0x1F PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP8 DUP4 AND ISZERO PUSH2 0x100 MUL SWAP8 SWAP1 SWAP8 ADD SWAP1 SWAP2 AND SWAP3 SWAP1 SWAP3 DIV SWAP5 DUP6 ADD DUP8 SWAP1 DIV DUP8 MUL DUP3 ADD DUP8 ADD SWAP1 SWAP8 MSTORE DUP4 DUP2 MSTORE SWAP4 SWAP10 POP PUSH2 0x1D6B SWAP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND SWAP5 SWAP1 SWAP4 SWAP2 SWAP1 DUP4 SWAP1 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0xE3D JUMPI DUP1 PUSH1 0x1F LT PUSH2 0xE12 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0xE3D JUMP JUMPDEST ISZERO PUSH2 0x1DA0 JUMPI PUSH1 0x40 MLOAD DUP6 SWAP1 PUSH32 0x33E13ECB54C3076D8E8BB8C2881800A4D972B792045FFAE98FDF46DF365FED75 SWAP1 PUSH1 0x0 SWAP1 LOG2 PUSH2 0x1DF6 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP6 SWAP1 PUSH32 0x526441BB6C1ABA3C9A4A6CA1D6545DA9C2333C8C48343EF398EB858D72B79236 SWAP1 PUSH1 0x0 SWAP1 LOG2 PUSH1 0x3 DUP5 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE JUMPDEST POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x4 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x1E9A JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x25 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F345F4C454E4754485F524551 PUSH1 0x44 DUP3 ADD MSTORE PUSH32 0x5549524544000000000000000000000000000000000000000000000000000000 PUSH1 0x64 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x84 ADD SWAP1 REVERT JUMPDEST POP ADD PUSH1 0x20 ADD MLOAD PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 MLOAD PUSH1 0x20 DUP5 ADD PUSH1 0x0 DUP3 DUP8 DUP4 DUP11 DUP13 PUSH2 0x8796 GAS SUB CALL SWAP9 SWAP8 POP POP POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x7 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP2 DUP3 SWAP1 KECCAK256 DUP4 SWAP1 SSTORE DUP2 MLOAD DUP4 DUP2 MSTORE SWAP2 MLOAD DUP5 SWAP3 PUSH32 0xB237AFE65F1514FD7EA3F923EA4FE792BDD07000A912B6CD1602A8E7F573C8D SWAP3 SWAP1 DUP3 SWAP1 SUB ADD SWAP1 LOG2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO ISZERO PUSH2 0x1F58 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x5 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x80 DUP2 ADD DUP3 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP9 DUP2 AND DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 ADD DUP10 DUP2 MSTORE DUP4 DUP6 ADD DUP10 DUP2 MSTORE PUSH1 0x0 PUSH1 0x60 DUP7 ADD DUP2 SWAP1 MSTORE DUP8 DUP2 MSTORE DUP1 DUP5 MSTORE SWAP6 SWAP1 SWAP6 KECCAK256 DUP5 MLOAD DUP2 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND SWAP5 AND SWAP4 SWAP1 SWAP4 OR DUP4 SSTORE MLOAD PUSH1 0x1 DUP4 ADD SSTORE SWAP3 MLOAD DUP1 MLOAD SWAP5 SWAP7 POP SWAP2 SWAP4 SWAP1 SWAP3 PUSH2 0x1FF0 SWAP3 PUSH1 0x2 DUP6 ADD SWAP3 SWAP2 ADD SWAP1 PUSH2 0x208F JUMP JUMPDEST POP PUSH1 0x60 SWAP2 SWAP1 SWAP2 ADD MLOAD PUSH1 0x3 SWAP1 SWAP2 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP2 ISZERO ISZERO SWAP2 SWAP1 SWAP2 OR SWAP1 SSTORE PUSH1 0x5 DUP1 SLOAD PUSH1 0x1 ADD SWAP1 SSTORE PUSH1 0x40 MLOAD DUP3 SWAP1 PUSH32 0xC0BA8FE4B176C1714197D43B9CC6BCF797A4A7461C5FE8D0EF6E184AE7601E51 SWAP1 PUSH1 0x0 SWAP1 LOG2 POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST DUP2 SLOAD DUP2 DUP4 SSTORE DUP2 DUP2 GT ISZERO PUSH2 0x208A JUMPI PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x20 SWAP1 KECCAK256 PUSH2 0x208A SWAP2 DUP2 ADD SWAP1 DUP4 ADD PUSH2 0x210D JUMP JUMPDEST POP POP POP JUMP JUMPDEST DUP3 DUP1 SLOAD PUSH1 0x1 DUP2 PUSH1 0x1 AND ISZERO PUSH2 0x100 MUL SUB AND PUSH1 0x2 SWAP1 DIV SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 PUSH1 0x1F ADD PUSH1 0x20 SWAP1 DIV DUP2 ADD SWAP3 DUP3 PUSH1 0x1F LT PUSH2 0x20D0 JUMPI DUP1 MLOAD PUSH1 0xFF NOT AND DUP4 DUP1 ADD OR DUP6 SSTORE PUSH2 0x20FD JUMP JUMPDEST DUP3 DUP1 ADD PUSH1 0x1 ADD DUP6 SSTORE DUP3 ISZERO PUSH2 0x20FD JUMPI SWAP2 DUP3 ADD JUMPDEST DUP3 DUP2 GT ISZERO PUSH2 0x20FD JUMPI DUP3 MLOAD DUP3 SSTORE SWAP2 PUSH1 0x20 ADD SWAP2 SWAP1 PUSH1 0x1 ADD SWAP1 PUSH2 0x20E2 JUMP JUMPDEST POP PUSH2 0x2109 SWAP3 SWAP2 POP PUSH2 0x210D JUMP JUMPDEST POP SWAP1 JUMP JUMPDEST PUSH2 0x143F SWAP2 SWAP1 JUMPDEST DUP1 DUP3 GT ISZERO PUSH2 0x2109 JUMPI PUSH1 0x0 DUP2 SSTORE PUSH1 0x1 ADD PUSH2 0x2113 JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 MSTORE DUP14 0xb3 EXTCODESIZE CALLVALUE 0xdd RETURNDATASIZE DUP8 0xf9 0x27 PUSH6 0xDA5FAC3E1E5D SHL SWAP3 CODECOPY CALLDATALOAD 0x3f PUSH5 0x5405CA9BF 0xc9 0xce 0xe8 0xdb STOP 0x29 ", + "sourceMap": 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PUSH2 0x546 JUMPI DUP1 PUSH4 0xBA51A6DF EQ PUSH2 0x55B JUMPI DUP1 PUSH4 0xC01A8C84 EQ PUSH2 0x573 JUMPI DUP1 PUSH4 0xC6427474 EQ PUSH2 0x58B JUMPI DUP1 PUSH4 0xD38F2D82 EQ PUSH2 0x601 JUMPI DUP1 PUSH4 0xD74F8EDD EQ PUSH2 0x619 JUMPI DUP1 PUSH4 0xDC8452CD EQ PUSH2 0x62E JUMPI DUP1 PUSH4 0xE20056E6 EQ PUSH2 0x643 JUMPI DUP1 PUSH4 0xEE22610B EQ PUSH2 0x677 JUMPI JUMPDEST PUSH1 0x0 CALLVALUE GT ISZERO PUSH2 0x19E JUMPI PUSH1 0x40 DUP1 MLOAD CALLVALUE DUP2 MSTORE SWAP1 MLOAD CALLER SWAP2 PUSH32 0xE1FFFCC4923D04B559F4D29A8BFC6CDA04EB5B0D3C460751C2402C5C5CC9109C SWAP2 SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 LOG2 JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1AC JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1B8 PUSH1 0x4 CALLDATALOAD PUSH2 0x68F JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1ED JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x6C4 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x21B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0x91B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x233 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x255 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x9F3 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x275 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x255 PUSH1 0x4 CALLDATALOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x24 CALLDATALOAD AND PUSH2 0xA08 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2A6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0xA28 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2BE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH2 0xEDA JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2E5 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH1 0x4 CALLDATALOAD ISZERO ISZERO PUSH1 0x24 CALLDATALOAD ISZERO ISZERO PUSH2 0xEE0 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x304 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD ISZERO ISZERO PUSH2 0xF4C JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x337 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x100B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x365 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x255 PUSH1 0x4 CALLDATALOAD PUSH2 0x1180 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x37D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0x1211 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x395 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x255 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x1258 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3C3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH1 0x4 CALLDATALOAD PUSH2 0x126D JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3DB JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x3E7 PUSH1 0x4 CALLDATALOAD PUSH2 0x12E9 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD DUP5 DUP2 MSTORE PUSH1 0x20 ADD DUP1 PUSH1 0x20 ADD DUP4 ISZERO ISZERO ISZERO ISZERO DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP2 SUB DUP3 MSTORE DUP5 DUP2 DUP2 MLOAD DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP DUP1 MLOAD SWAP1 PUSH1 0x20 ADD SWAP1 DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x466 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x44E JUMP JUMPDEST POP POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x493 JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP6 POP POP POP POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x4B0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x4B9 PUSH2 0x13D2 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 DUP2 ADD SWAP2 MUL DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x4F5 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x4DD JUMP JUMPDEST POP POP POP POP SWAP1 POP ADD SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x515 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x4B9 PUSH1 0x4 CALLDATALOAD PUSH1 0x24 CALLDATALOAD PUSH1 0x44 CALLDATALOAD ISZERO ISZERO PUSH1 0x64 CALLDATALOAD ISZERO ISZERO PUSH2 0x1442 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x53A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x4B9 PUSH1 0x4 CALLDATALOAD PUSH2 0x157B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x552 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH2 0x1728 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x567 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0x172E JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x57F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0x17AD JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x597 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x4 PUSH1 0x44 CALLDATALOAD DUP2 DUP2 ADD CALLDATALOAD PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP6 ADD DUP5 ADD SWAP1 SWAP6 MSTORE DUP5 DUP5 MSTORE PUSH2 0x2C7 SWAP5 DUP3 CALLDATALOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP5 PUSH1 0x24 DUP1 CALLDATALOAD SWAP6 CALLDATASIZE SWAP6 SWAP5 PUSH1 0x64 SWAP5 SWAP3 ADD SWAP2 SWAP1 DUP2 SWAP1 DUP5 ADD DUP4 DUP3 DUP1 DUP3 DUP5 CALLDATACOPY POP SWAP5 SWAP8 POP PUSH2 0x1921 SWAP7 POP POP POP POP POP POP POP JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x60D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH1 0x4 CALLDATALOAD PUSH2 0x1940 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x625 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH2 0x1952 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x63A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH2 0x1957 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x64F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0x195D JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x683 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0x1B6D JUMP JUMPDEST PUSH1 0x3 DUP1 SLOAD DUP3 SWAP1 DUP2 LT PUSH2 0x69D JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 POP DUP2 JUMP JUMPDEST PUSH1 0x0 CALLER ADDRESS EQ PUSH2 0x6D2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP3 SWAP1 PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x708 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE SWAP2 POP JUMPDEST PUSH1 0x3 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP3 LT ISZERO PUSH2 0x88B JUMPI DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x3 DUP4 DUP2 SLOAD DUP2 LT ISZERO ISZERO PUSH2 0x7A8 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO PUSH2 0x880 JUMPI PUSH1 0x3 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 ADD SWAP1 DUP2 LT PUSH2 0x800 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH1 0x3 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND SWAP2 DUP5 SWAP1 DUP2 LT PUSH2 0x833 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 ADD PUSH1 0x0 PUSH2 0x100 EXP DUP2 SLOAD DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF MUL NOT AND SWAP1 DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND MUL OR SWAP1 SSTORE POP PUSH2 0x88B JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH2 0x756 JUMP JUMPDEST PUSH1 0x3 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 PUSH2 0x8BC SWAP1 DUP3 PUSH2 0x2066 JUMP JUMPDEST POP PUSH1 0x3 SLOAD PUSH1 0x4 SLOAD GT ISZERO PUSH2 0x8D5 JUMPI PUSH1 0x3 SLOAD PUSH2 0x8D5 SWAP1 PUSH2 0x172E JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND SWAP1 PUSH32 0x8001553A916EF2F495D26A907CC54D96ED840D7BDA71E73194BF5A9DF7A76B90 SWAP1 PUSH1 0x0 SWAP1 LOG2 POP POP POP JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x939 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP1 DUP6 MSTORE SWAP3 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD DUP4 SWAP2 SWAP1 PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x965 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x3 ADD SLOAD DUP5 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0x986 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP6 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP1 DUP6 MSTORE SWAP3 MSTORE DUP1 DUP4 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE MLOAD DUP8 SWAP3 PUSH32 0xF6A317157440607F36269043EB55F1287A5A19BA2216AFEAB88CD46CBCFB88E9 SWAP2 LOG3 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x0 SWAP3 DUP4 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 SWAP1 SWAP2 MSTORE SWAP1 DUP3 MSTORE SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP2 KECCAK256 PUSH1 0x3 ADD SLOAD DUP3 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0xA49 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP3 PUSH2 0xA53 DUP2 PUSH2 0x1180 JUMP JUMPDEST ISZERO ISZERO PUSH2 0xAC0 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x54585F4E4F545F46554C4C595F434F4E4649524D454400000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP5 MSTORE PUSH1 0x8 SWAP1 SWAP3 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD DUP6 SWAP2 SWAP1 PUSH1 0xFF AND ISZERO ISZERO PUSH2 0xB65 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x18 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x554E524547495354455245445F41535345545F50524F58590000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x72656D6F7665417574686F72697A6564416464726573734174496E6465782861 DUP2 MSTORE PUSH32 0x6464726573732C75696E74323536290000000000000000000000000000000000 PUSH1 0x20 DUP1 DUP4 ADD SWAP2 SWAP1 SWAP2 MSTORE DUP3 MLOAD SWAP2 DUP3 SWAP1 SUB PUSH1 0x2F ADD DUP3 KECCAK256 PUSH1 0x2 DUP1 DUP7 ADD DUP1 SLOAD PUSH1 0x1F PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH2 0x100 PUSH1 0x1 DUP5 AND ISZERO MUL ADD SWAP1 SWAP2 AND SWAP3 SWAP1 SWAP3 DIV SWAP2 DUP3 ADD DUP5 SWAP1 DIV DUP5 MUL DUP6 ADD DUP5 ADD SWAP1 SWAP6 MSTORE DUP1 DUP5 MSTORE PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 SWAP1 SWAP2 AND SWAP4 PUSH2 0xCA1 SWAP4 PUSH1 0x0 SWAP4 SWAP1 SWAP3 SWAP1 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0xC8E JUMPI DUP1 PUSH1 0x1F LT PUSH2 0xC63 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0xC8E JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0xC71 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP PUSH2 0x1DFD SWAP1 SWAP2 SWAP1 PUSH4 0xFFFFFFFF AND JUMP JUMPDEST PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND EQ PUSH2 0xD2F JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x19 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x494E56414C49445F46554E4354494F4E5F53454C4543544F5200000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP7 DUP2 MSTORE PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 SWAP2 DUP3 SWAP1 KECCAK256 PUSH1 0x3 DUP2 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP2 SLOAD DUP2 DUP4 ADD SLOAD PUSH1 0x2 DUP1 DUP6 ADD DUP1 SLOAD DUP9 MLOAD PUSH1 0x1F PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP8 DUP4 AND ISZERO PUSH2 0x100 MUL SWAP8 SWAP1 SWAP8 ADD SWAP1 SWAP2 AND SWAP3 SWAP1 SWAP3 DIV SWAP5 DUP6 ADD DUP8 SWAP1 DIV DUP8 MUL DUP3 ADD DUP8 ADD SWAP1 SWAP8 MSTORE DUP4 DUP2 MSTORE SWAP4 SWAP11 POP PUSH2 0xE47 SWAP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND SWAP5 SWAP1 SWAP4 SWAP2 SWAP1 DUP4 SWAP1 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0xE3D JUMPI DUP1 PUSH1 0x1F LT PUSH2 0xE12 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0xE3D JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0xE20 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP PUSH2 0x1EC5 JUMP JUMPDEST ISZERO PUSH2 0xE7C JUMPI PUSH1 0x40 MLOAD DUP7 SWAP1 PUSH32 0x33E13ECB54C3076D8E8BB8C2881800A4D972B792045FFAE98FDF46DF365FED75 SWAP1 PUSH1 0x0 SWAP1 LOG2 PUSH2 0xED2 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP7 SWAP1 PUSH32 0x526441BB6C1ABA3C9A4A6CA1D6545DA9C2333C8C48343EF398EB858D72B79236 SWAP1 PUSH1 0x0 SWAP1 LOG2 PUSH1 0x3 DUP6 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE JUMPDEST POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x6 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x0 DUP1 JUMPDEST PUSH1 0x5 SLOAD DUP2 LT ISZERO PUSH2 0xF45 JUMPI DUP4 DUP1 ISZERO PUSH2 0xF0D JUMPI POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x3 ADD SLOAD PUSH1 0xFF AND ISZERO JUMPDEST DUP1 PUSH2 0xF31 JUMPI POP DUP3 DUP1 ISZERO PUSH2 0xF31 JUMPI POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x3 ADD SLOAD PUSH1 0xFF AND JUMPDEST ISZERO PUSH2 0xF3D JUMPI PUSH1 0x1 DUP3 ADD SWAP2 POP JUMPDEST PUSH1 0x1 ADD PUSH2 0xEE4 JUMP JUMPDEST POP SWAP3 SWAP2 POP POP JUMP JUMPDEST CALLER ADDRESS EQ PUSH2 0xF58 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO ISZERO PUSH2 0xF7B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x8 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP2 DUP3 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND DUP7 ISZERO ISZERO SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP3 MLOAD SWAP4 DUP5 MSTORE SWAP1 DUP4 ADD MSTORE DUP1 MLOAD PUSH32 0xDAEF8FF7DC66C5E34EB9C338AAB679D9F427F89868D9228494455A4D982EB2B0 SWAP3 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG1 POP POP POP JUMP JUMPDEST CALLER ADDRESS EQ PUSH2 0x1017 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP2 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0x104C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO ISZERO PUSH2 0x106F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x3 DUP1 SLOAD SWAP1 POP PUSH1 0x1 ADD PUSH1 0x4 SLOAD PUSH1 0x32 DUP3 GT ISZERO DUP1 ISZERO PUSH2 0x108C JUMPI POP DUP2 DUP2 GT ISZERO JUMPDEST DUP1 ISZERO PUSH2 0x1097 JUMPI POP DUP1 ISZERO ISZERO JUMPDEST DUP1 ISZERO PUSH2 0x10A2 JUMPI POP DUP2 ISZERO ISZERO JUMPDEST ISZERO ISZERO PUSH2 0x10AD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP6 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE PUSH1 0x3 DUP1 SLOAD SWAP2 DUP3 ADD DUP2 SSTORE DUP4 MSTORE PUSH32 0xC2575A0E9E593C00F959F8C92F12DB2869C3395A3B0502D05E2516446F71F85B ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND DUP5 OR SWAP1 SSTORE MLOAD PUSH32 0xF39E6E1EB0EDCF53C221607B54B00CD28F3196FED0A24994DC308B8F611B682D SWAP2 SWAP1 LOG2 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 JUMPDEST PUSH1 0x3 SLOAD DUP2 LT ISZERO PUSH2 0x120A JUMPI PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 PUSH1 0x3 DUP1 SLOAD SWAP2 SWAP3 SWAP2 DUP5 SWAP1 DUP2 LT PUSH2 0x11AE JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 KECCAK256 SWAP1 SWAP2 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP4 MSTORE DUP3 ADD SWAP3 SWAP1 SWAP3 MSTORE PUSH1 0x40 ADD SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x11EF JUMPI PUSH1 0x1 DUP3 ADD SWAP2 POP JUMPDEST PUSH1 0x4 SLOAD DUP3 EQ ISZERO PUSH2 0x1202 JUMPI PUSH1 0x1 SWAP3 POP PUSH2 0x120A JUMP JUMPDEST PUSH1 0x1 ADD PUSH2 0x1185 JUMP JUMPDEST POP POP SWAP2 SWAP1 POP JUMP JUMPDEST CALLER ADDRESS EQ PUSH2 0x121D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x6 DUP2 SWAP1 SSTORE PUSH1 0x40 DUP1 MLOAD DUP3 DUP2 MSTORE SWAP1 MLOAD PUSH32 0xD1C9101A34FEFF75CCCEF14A28785A0279CB0B49C1F321F21F5F422E746B4377 SWAP2 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 LOG1 POP JUMP JUMPDEST PUSH1 0x8 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x0 DUP1 JUMPDEST PUSH1 0x3 SLOAD DUP2 LT ISZERO PUSH2 0x12E3 JUMPI PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 PUSH1 0x3 DUP1 SLOAD SWAP2 SWAP3 SWAP2 DUP5 SWAP1 DUP2 LT PUSH2 0x129A JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 KECCAK256 SWAP1 SWAP2 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP4 MSTORE DUP3 ADD SWAP3 SWAP1 SWAP3 MSTORE PUSH1 0x40 ADD SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x12DB JUMPI PUSH1 0x1 DUP3 ADD SWAP2 POP JUMPDEST PUSH1 0x1 ADD PUSH2 0x1271 JUMP JUMPDEST POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP2 DUP2 MSTORE SWAP2 DUP2 MSTORE PUSH1 0x40 SWAP1 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH1 0x1 DUP1 DUP4 ADD SLOAD PUSH1 0x2 DUP1 DUP6 ADD DUP1 SLOAD DUP8 MLOAD PUSH2 0x100 SWAP6 DUP3 AND ISZERO SWAP6 SWAP1 SWAP6 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD AND SWAP2 SWAP1 SWAP2 DIV PUSH1 0x1F DUP2 ADD DUP9 SWAP1 DIV DUP9 MUL DUP5 ADD DUP9 ADD SWAP1 SWAP7 MSTORE DUP6 DUP4 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP4 AND SWAP6 SWAP1 SWAP5 SWAP2 SWAP3 SWAP2 SWAP1 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x13BF JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x1394 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x13BF JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x13A2 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP PUSH1 0x3 SWAP1 SWAP4 ADD SLOAD SWAP2 SWAP3 POP POP PUSH1 0xFF AND DUP5 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x3 DUP1 SLOAD DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP1 SLOAD DUP1 ISZERO PUSH2 0x1437 JUMPI PUSH1 0x20 MUL DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x140C JUMPI JUMPDEST POP POP POP POP POP SWAP1 POP JUMPDEST SWAP1 JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x0 DUP1 PUSH1 0x5 SLOAD PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x1474 JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP3 POP PUSH1 0x0 SWAP2 POP PUSH1 0x0 SWAP1 POP JUMPDEST PUSH1 0x5 SLOAD DUP2 LT ISZERO PUSH2 0x14FB JUMPI DUP6 DUP1 ISZERO PUSH2 0x14A9 JUMPI POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x3 ADD SLOAD PUSH1 0xFF AND ISZERO JUMPDEST DUP1 PUSH2 0x14CD JUMPI POP DUP5 DUP1 ISZERO PUSH2 0x14CD JUMPI POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x3 ADD SLOAD PUSH1 0xFF AND JUMPDEST ISZERO PUSH2 0x14F3 JUMPI DUP1 DUP4 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x14E1 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MSTORE PUSH1 0x1 SWAP2 SWAP1 SWAP2 ADD SWAP1 JUMPDEST PUSH1 0x1 ADD PUSH2 0x1480 JUMP JUMPDEST DUP8 DUP8 SUB PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x1527 JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP4 POP DUP8 SWAP1 POP JUMPDEST DUP7 DUP2 LT ISZERO PUSH2 0x1570 JUMPI DUP3 DUP2 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1544 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP5 DUP10 DUP4 SUB DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x155E JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MSTORE PUSH1 0x1 ADD PUSH2 0x152E JUMP JUMPDEST POP POP POP SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x0 DUP1 PUSH1 0x3 DUP1 SLOAD SWAP1 POP PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x15B0 JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP3 POP PUSH1 0x0 SWAP2 POP PUSH1 0x0 SWAP1 POP JUMPDEST PUSH1 0x3 SLOAD DUP2 LT ISZERO PUSH2 0x1694 JUMPI PUSH1 0x0 DUP6 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 PUSH1 0x3 DUP1 SLOAD SWAP2 SWAP3 SWAP2 DUP5 SWAP1 DUP2 LT PUSH2 0x15E5 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 KECCAK256 SWAP1 SWAP2 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP4 MSTORE DUP3 ADD SWAP3 SWAP1 SWAP3 MSTORE PUSH1 0x40 ADD SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x168C JUMPI PUSH1 0x3 DUP1 SLOAD DUP3 SWAP1 DUP2 LT PUSH2 0x162D JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD DUP4 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP2 AND SWAP1 DUP5 SWAP1 DUP5 SWAP1 DUP2 LT PUSH2 0x1660 JUMPI INVALID JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND PUSH1 0x20 SWAP3 DUP4 MUL SWAP1 SWAP2 ADD SWAP1 SWAP2 ADD MSTORE PUSH1 0x1 SWAP2 SWAP1 SWAP2 ADD SWAP1 JUMPDEST PUSH1 0x1 ADD PUSH2 0x15BC JUMP JUMPDEST DUP2 PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x16BE JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP4 POP PUSH1 0x0 SWAP1 POP JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x1720 JUMPI DUP3 DUP2 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x16DC JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP5 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x16F4 JUMPI INVALID JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND PUSH1 0x20 SWAP3 DUP4 MUL SWAP1 SWAP2 ADD SWAP1 SWAP2 ADD MSTORE PUSH1 0x1 ADD PUSH2 0x16C6 JUMP JUMPDEST POP POP POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x5 SLOAD DUP2 JUMP JUMPDEST CALLER ADDRESS EQ PUSH2 0x173A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x3 SLOAD DUP2 PUSH1 0x32 DUP3 GT DUP1 ISZERO SWAP1 PUSH2 0x174F JUMPI POP DUP2 DUP2 GT ISZERO JUMPDEST DUP1 ISZERO PUSH2 0x175A JUMPI POP DUP1 ISZERO ISZERO JUMPDEST DUP1 ISZERO PUSH2 0x1765 JUMPI POP DUP2 ISZERO ISZERO JUMPDEST ISZERO ISZERO PUSH2 0x1770 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x4 DUP4 SWAP1 SSTORE PUSH1 0x40 DUP1 MLOAD DUP5 DUP2 MSTORE SWAP1 MLOAD PUSH32 0xA3F1EE9126A074D9326C682F561767F710E927FAA811F7A99829D49DC421797A SWAP2 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 LOG1 POP POP POP JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x17CB JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP3 SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND ISZERO ISZERO PUSH2 0x17FD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP1 DUP6 MSTORE SWAP3 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD DUP5 SWAP2 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0x1828 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP5 PUSH2 0x1832 DUP2 PUSH2 0x1180 JUMP JUMPDEST ISZERO PUSH2 0x189E JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x12 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x54585F46554C4C595F434F4E4649524D45440000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP7 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 CALLER DUP1 DUP7 MSTORE SWAP3 MSTORE DUP1 DUP5 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SWAP4 OR SWAP1 SWAP3 SSTORE SWAP1 MLOAD DUP9 SWAP3 PUSH32 0x4A504A94899432A9846E1AA406DCEB1BCFD538BB839071D49D1E5E23F5BE30EF SWAP2 LOG3 PUSH2 0x1912 DUP7 PUSH2 0x1180 JUMP JUMPDEST ISZERO PUSH2 0xED2 JUMPI PUSH2 0xED2 DUP7 TIMESTAMP PUSH2 0x1EE8 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x192E DUP5 DUP5 DUP5 PUSH2 0x1F33 JUMP JUMPDEST SWAP1 POP PUSH2 0x1939 DUP2 PUSH2 0x17AD JUMP JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x7 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x32 DUP2 JUMP JUMPDEST PUSH1 0x4 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x0 CALLER ADDRESS EQ PUSH2 0x196B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP4 SWAP1 PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x19A1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP4 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0x19D6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 SWAP3 POP JUMPDEST PUSH1 0x3 SLOAD DUP4 LT ISZERO PUSH2 0x1A9B JUMPI DUP5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x3 DUP5 DUP2 SLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1A0B JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO PUSH2 0x1A90 JUMPI DUP4 PUSH1 0x3 DUP5 DUP2 SLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1A43 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 ADD PUSH1 0x0 PUSH2 0x100 EXP DUP2 SLOAD DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF MUL NOT AND SWAP1 DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND MUL OR SWAP1 SSTORE POP PUSH2 0x1A9B JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP3 ADD SWAP2 PUSH2 0x19DB JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP7 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 SWAP1 DUP2 AND SWAP1 SWAP2 SSTORE SWAP4 DUP9 AND DUP3 MSTORE DUP1 DUP3 KECCAK256 DUP1 SLOAD SWAP1 SWAP5 AND PUSH1 0x1 OR SWAP1 SWAP4 SSTORE SWAP2 MLOAD SWAP1 SWAP2 PUSH32 0x8001553A916EF2F495D26A907CC54D96ED840D7BDA71E73194BF5A9DF7A76B90 SWAP2 LOG2 PUSH1 0x40 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP6 AND SWAP1 PUSH32 0xF39E6E1EB0EDCF53C221607B54B00CD28F3196FED0A24994DC308B8F611B682D SWAP1 PUSH1 0x0 SWAP1 LOG2 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP2 KECCAK256 PUSH1 0x3 ADD SLOAD DUP3 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0x1B8E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP3 PUSH2 0x1B98 DUP2 PUSH2 0x1180 JUMP JUMPDEST ISZERO ISZERO PUSH2 0x1C05 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x54585F4E4F545F46554C4C595F434F4E4649524D454400000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x6 SLOAD PUSH1 0x0 DUP6 DUP2 MSTORE PUSH1 0x7 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP6 SWAP2 ADD TIMESTAMP LT ISZERO PUSH2 0x1C88 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x14 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x54494D455F4C4F434B5F494E434F4D504C455445000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP6 DUP2 MSTORE PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 SWAP2 DUP3 SWAP1 KECCAK256 PUSH1 0x3 DUP2 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP2 SLOAD DUP2 DUP4 ADD SLOAD PUSH1 0x2 DUP1 DUP6 ADD DUP1 SLOAD DUP9 MLOAD PUSH1 0x1F PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP8 DUP4 AND ISZERO PUSH2 0x100 MUL SWAP8 SWAP1 SWAP8 ADD SWAP1 SWAP2 AND SWAP3 SWAP1 SWAP3 DIV SWAP5 DUP6 ADD DUP8 SWAP1 DIV DUP8 MUL DUP3 ADD DUP8 ADD SWAP1 SWAP8 MSTORE DUP4 DUP2 MSTORE SWAP4 SWAP10 POP PUSH2 0x1D6B SWAP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND SWAP5 SWAP1 SWAP4 SWAP2 SWAP1 DUP4 SWAP1 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0xE3D JUMPI DUP1 PUSH1 0x1F LT PUSH2 0xE12 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0xE3D JUMP JUMPDEST ISZERO PUSH2 0x1DA0 JUMPI PUSH1 0x40 MLOAD DUP6 SWAP1 PUSH32 0x33E13ECB54C3076D8E8BB8C2881800A4D972B792045FFAE98FDF46DF365FED75 SWAP1 PUSH1 0x0 SWAP1 LOG2 PUSH2 0x1DF6 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP6 SWAP1 PUSH32 0x526441BB6C1ABA3C9A4A6CA1D6545DA9C2333C8C48343EF398EB858D72B79236 SWAP1 PUSH1 0x0 SWAP1 LOG2 PUSH1 0x3 DUP5 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE JUMPDEST POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x4 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x1E9A JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x25 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F345F4C454E4754485F524551 PUSH1 0x44 DUP3 ADD MSTORE PUSH32 0x5549524544000000000000000000000000000000000000000000000000000000 PUSH1 0x64 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x84 ADD SWAP1 REVERT JUMPDEST POP ADD PUSH1 0x20 ADD MLOAD PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 MLOAD PUSH1 0x20 DUP5 ADD PUSH1 0x0 DUP3 DUP8 DUP4 DUP11 DUP13 PUSH2 0x8796 GAS SUB CALL SWAP9 SWAP8 POP POP POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x7 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP2 DUP3 SWAP1 KECCAK256 DUP4 SWAP1 SSTORE DUP2 MLOAD DUP4 DUP2 MSTORE SWAP2 MLOAD DUP5 SWAP3 PUSH32 0xB237AFE65F1514FD7EA3F923EA4FE792BDD07000A912B6CD1602A8E7F573C8D SWAP3 SWAP1 DUP3 SWAP1 SUB ADD SWAP1 LOG2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO ISZERO PUSH2 0x1F58 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x5 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x80 DUP2 ADD DUP3 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP9 DUP2 AND DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 ADD DUP10 DUP2 MSTORE DUP4 DUP6 ADD DUP10 DUP2 MSTORE PUSH1 0x0 PUSH1 0x60 DUP7 ADD DUP2 SWAP1 MSTORE DUP8 DUP2 MSTORE DUP1 DUP5 MSTORE SWAP6 SWAP1 SWAP6 KECCAK256 DUP5 MLOAD DUP2 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND SWAP5 AND SWAP4 SWAP1 SWAP4 OR DUP4 SSTORE MLOAD PUSH1 0x1 DUP4 ADD SSTORE SWAP3 MLOAD DUP1 MLOAD SWAP5 SWAP7 POP SWAP2 SWAP4 SWAP1 SWAP3 PUSH2 0x1FF0 SWAP3 PUSH1 0x2 DUP6 ADD SWAP3 SWAP2 ADD SWAP1 PUSH2 0x208F JUMP JUMPDEST POP PUSH1 0x60 SWAP2 SWAP1 SWAP2 ADD MLOAD PUSH1 0x3 SWAP1 SWAP2 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP2 ISZERO ISZERO SWAP2 SWAP1 SWAP2 OR SWAP1 SSTORE PUSH1 0x5 DUP1 SLOAD PUSH1 0x1 ADD SWAP1 SSTORE PUSH1 0x40 MLOAD DUP3 SWAP1 PUSH32 0xC0BA8FE4B176C1714197D43B9CC6BCF797A4A7461C5FE8D0EF6E184AE7601E51 SWAP1 PUSH1 0x0 SWAP1 LOG2 POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST DUP2 SLOAD DUP2 DUP4 SSTORE DUP2 DUP2 GT ISZERO PUSH2 0x208A JUMPI PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x20 SWAP1 KECCAK256 PUSH2 0x208A SWAP2 DUP2 ADD SWAP1 DUP4 ADD PUSH2 0x210D JUMP JUMPDEST POP POP POP JUMP JUMPDEST DUP3 DUP1 SLOAD PUSH1 0x1 DUP2 PUSH1 0x1 AND ISZERO PUSH2 0x100 MUL SUB AND PUSH1 0x2 SWAP1 DIV SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 PUSH1 0x1F ADD PUSH1 0x20 SWAP1 DIV DUP2 ADD SWAP3 DUP3 PUSH1 0x1F LT PUSH2 0x20D0 JUMPI DUP1 MLOAD PUSH1 0xFF NOT AND DUP4 DUP1 ADD OR DUP6 SSTORE PUSH2 0x20FD JUMP JUMPDEST DUP3 DUP1 ADD PUSH1 0x1 ADD DUP6 SSTORE DUP3 ISZERO PUSH2 0x20FD JUMPI SWAP2 DUP3 ADD JUMPDEST DUP3 DUP2 GT ISZERO PUSH2 0x20FD JUMPI DUP3 MLOAD DUP3 SSTORE SWAP2 PUSH1 0x20 ADD SWAP2 SWAP1 PUSH1 0x1 ADD SWAP1 PUSH2 0x20E2 JUMP JUMPDEST POP PUSH2 0x2109 SWAP3 SWAP2 POP PUSH2 0x210D JUMP JUMPDEST POP SWAP1 JUMP JUMPDEST PUSH2 0x143F SWAP2 SWAP1 JUMPDEST DUP1 DUP3 GT ISZERO PUSH2 0x2109 JUMPI PUSH1 0x0 DUP2 SSTORE PUSH1 0x1 ADD PUSH2 0x2113 JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 MSTORE DUP14 0xb3 EXTCODESIZE CALLVALUE 0xdd RETURNDATASIZE DUP8 0xf9 0x27 PUSH6 0xDA5FAC3E1E5D SHL SWAP3 CODECOPY CALLDATALOAD 0x3f PUSH5 0x5405CA9BF 0xc9 0xce 0xe8 0xdb STOP 0x29 ", + "sourceMap": 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"2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": { + "id": 28 + }, + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": { + "id": 29 + }, + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": { + "id": 30 + }, + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": { + "id": 31 + }, + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": { + "id": 32 + }, + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": { + "id": 33 + }, + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": { + "id": 34 + }, + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": { + "id": 35 + }, + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": { + "id": 36 + }, + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": { + "id": 37 + }, + "2.0.0/protocol/Exchange/libs/LibConstants.sol": { + "id": 38 + }, + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": { + "id": 39 + }, + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": { + "id": 40 + }, + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": { + "id": 41 + }, + "2.0.0/protocol/Exchange/libs/LibMath.sol": { + "id": 42 + }, + "2.0.0/protocol/Exchange/libs/LibOrder.sol": { + "id": 43 + }, + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": { + "id": 44 + }, + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": { + "id": 45 + }, + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": { + "id": 46 + }, + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": { + "id": 47 + }, + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": { + "id": 48 + }, + "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": { + "id": 49 + }, + "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": { + "id": 50 + }, + "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": { + "id": 51 + }, + "2.0.0/tokens/ERC20Token/ERC20Token.sol": { + "id": 52 + }, + "2.0.0/tokens/ERC20Token/IERC20Token.sol": { + "id": 53 + }, + "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": { + "id": 54 + }, + "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": { + "id": 55 + }, + "2.0.0/tokens/ERC721Token/ERC721Token.sol": { + "id": 56 + }, + "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": { + "id": 57 + }, + "2.0.0/tokens/ERC721Token/IERC721Token.sol": { + "id": 58 + }, + "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": { + "id": 59 + }, + "2.0.0/tokens/EtherToken/IEtherToken.sol": { + "id": 60 + }, + "2.0.0/utils/LibBytes/LibBytes.sol": { + "id": 61 + }, + "2.0.0/utils/Ownable/IOwnable.sol": { + "id": 62 + }, + "2.0.0/utils/Ownable/Ownable.sol": { + "id": 63 + }, + "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": { + "id": 64 + }, + "2.0.0/utils/SafeMath/SafeMath.sol": { + "id": 65 + } + }, + "sourceCodes": { + "2.0.0/extensions/Forwarder/Forwarder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinWeth.sol\";\nimport \"./MixinForwarderCore.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinAssets.sol\";\nimport \"./MixinExchangeWrapper.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Forwarder is\n LibConstants,\n MixinWeth,\n MixinAssets,\n MixinExchangeWrapper,\n MixinForwarderCore\n{\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n LibConstants(\n _exchange,\n _zrxAssetData,\n _wethAssetData\n )\n MixinForwarderCore()\n {}\n}\n", + "2.0.0/extensions/Forwarder/MixinAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MAssets.sol\";\n\n\ncontract MixinAssets is\n Ownable,\n LibConstants,\n MAssets\n{\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256(\"transfer(address,uint256)\"));\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external\n onlyOwner\n {\n transferAssetToSender(assetData, amount);\n }\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n bytes4 proxyId = assetData.readBytes4(0);\n\n if (proxyId == ERC20_DATA_ID) {\n transferERC20Token(assetData, amount);\n } else if (proxyId == ERC721_DATA_ID) {\n transferERC721Token(assetData, amount);\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n }\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n address token = assetData.readAddress(16);\n\n // Transfer tokens.\n // We do a raw call so we can check the success separate\n // from the return data.\n bool success = token.call(abi.encodeWithSelector(\n ERC20_TRANSFER_SELECTOR,\n msg.sender,\n amount\n ));\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n \n // Check return data.\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // value that evaluates to true.\n assembly {\n if returndatasize {\n success := 0\n if eq(returndatasize, 32) {\n // First 64 bytes of memory are reserved scratch space\n returndatacopy(0, 0, 32)\n success := mload(0)\n }\n }\n }\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n }\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n require(\n amount == 1,\n \"INVALID_AMOUNT\"\n );\n // Decode asset data.\n address token = assetData.readAddress(16);\n uint256 tokenId = assetData.readUint256(36);\n\n // Perform transfer.\n IERC721Token(token).transferFrom(\n address(this),\n msg.sender,\n tokenId\n );\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"../../protocol/Exchange/libs/LibAbiEncoder.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinExchangeWrapper is\n LibAbiEncoder,\n LibFillResults,\n LibMath,\n LibConstants,\n MExchangeWrapper\n{\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n address exchange = address(EXCHANGE);\n\n // Call `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := call(\n gas, // forward all gas\n exchange, // call address of Exchange contract\n 0, // transfer 0 wei\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of WETH to sell\n uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of WETH\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount;\n if (makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n\n require(\n makerAssetFilledAmount >= makerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n // Do nothing if zrxBuyAmount == 0\n if (zrxBuyAmount == 0) {\n return totalFillResults;\n }\n\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n uint256 zrxPurchased = 0;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // All of these are ZRX/WETH, so we can drop the respective assetData from calldata.\n orders[i].makerAssetData = zrxAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of ZRX to buy.\n uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased);\n\n // Convert the remaining amount of ZRX to buy into remaining amount\n // of WETH to sell, assuming entire amount can be sold in the current order.\n uint256 remainingWethSellAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees \n remainingZrxBuyAmount\n );\n\n // Attempt to sell the remaining amount of WETH.\n FillResults memory singleFillResult = fillOrderNoThrow(\n orders[i],\n safeAdd(remainingWethSellAmount, 1), // we add 1 wei to the fill amount to make up for rounding errors\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker.\n addFillResults(totalFillResults, singleFillResult);\n zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid);\n\n // Stop execution if the entire amount of ZRX has been bought.\n if (zrxPurchased >= zrxBuyAmount) {\n break;\n }\n }\n\n require(\n zrxPurchased >= zrxBuyAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\nimport \"./mixins/MAssets.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"./interfaces/IForwarderCore.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinForwarderCore is\n LibFillResults,\n LibMath,\n LibConstants,\n MWeth,\n MAssets,\n MExchangeWrapper,\n IForwarderCore\n{\n using LibBytes for bytes;\n\n /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf.\n constructor ()\n public\n {\n address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID);\n require(\n proxyAddress != address(0),\n \"UNREGISTERED_ASSET_PROXY\"\n );\n ETHER_TOKEN.approve(proxyAddress, MAX_UINT);\n ZRX_TOKEN.approve(proxyAddress, MAX_UINT);\n }\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 wethSellAmount;\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // Calculate amount of WETH that won't be spent on ETH fees.\n wethSellAmount = getPartialAmountFloor(\n PERCENTAGE_DENOMINATOR,\n safeAdd(PERCENTAGE_DENOMINATOR, feePercentage),\n msg.value\n );\n // Market sell available WETH.\n // ZRX fees are paid with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // 5% of WETH is reserved for filling feeOrders and paying feeRecipient.\n wethSellAmount = getPartialAmountFloor(\n MAX_WETH_FILL_PERCENTAGE,\n PERCENTAGE_DENOMINATOR,\n msg.value\n );\n // Market sell 95% of WETH.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // If the makerAsset is ZRX, it is not necessary to pay fees out of this\n // contracts's ZRX balance because fees are factored into the price of the order.\n orderFillResults = marketBuyExactZrxWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // Attemp to purchase desired amount of makerAsset.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketBuyExactAmountWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\n\n\ncontract MixinWeth is\n LibMath,\n LibConstants,\n MWeth\n{\n /// @dev Default payabale function, this allows us to withdraw WETH\n function ()\n public\n payable\n {\n require(\n msg.sender == address(ETHER_TOKEN),\n \"DEFAULT_FUNCTION_WETH_CONTRACT_ONLY\"\n );\n }\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal\n {\n require(\n msg.value > 0,\n \"INVALID_MSG_VALUE\"\n );\n ETHER_TOKEN.deposit.value(msg.value)();\n }\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal\n {\n // Ensure feePercentage is less than 5%.\n require(\n feePercentage <= MAX_FEE_PERCENTAGE,\n \"FEE_PERCENTAGE_TOO_LARGE\"\n );\n\n // Ensure that no extra WETH owned by this contract has been sold.\n uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx);\n require(\n wethSold <= msg.value,\n \"OVERSOLD_WETH\"\n );\n\n // Calculate amount of WETH that hasn't been sold.\n uint256 wethRemaining = safeSub(msg.value, wethSold);\n\n // Calculate ETH fee to pay to feeRecipient.\n uint256 ethFee = getPartialAmountFloor(\n feePercentage,\n PERCENTAGE_DENOMINATOR,\n wethSoldExcludingFeeOrders\n );\n\n // Ensure fee is less than amount of WETH remaining.\n require(\n ethFee <= wethRemaining,\n \"INSUFFICIENT_ETH_REMAINING\"\n );\n \n // Do nothing if no WETH remaining\n if (wethRemaining > 0) {\n // Convert remaining WETH to ETH\n ETHER_TOKEN.withdraw(wethRemaining);\n\n // Pay ETH to feeRecipient\n if (ethFee > 0) {\n feeRecipient.transfer(ethFee);\n }\n\n // Refund remaining ETH to msg.sender.\n uint256 ethRefund = safeSub(wethRemaining, ethFee);\n if (ethRefund > 0) {\n msg.sender.transfer(ethRefund);\n }\n }\n }\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssets {\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external;\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract IForwarderCore {\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n}\n", + "2.0.0/extensions/Forwarder/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/LibBytes/LibBytes.sol\";\nimport \"../../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../../tokens/EtherToken/IEtherToken.sol\";\nimport \"../../../tokens/ERC20Token/IERC20Token.sol\";\n\n\ncontract LibConstants {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n uint256 constant internal MAX_UINT = 2**256 - 1;\n uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; \n uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5%\n uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95%\n \n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n IEtherToken internal ETHER_TOKEN;\n IERC20Token internal ZRX_TOKEN;\n bytes internal ZRX_ASSET_DATA;\n bytes internal WETH_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n WETH_ASSET_DATA = _wethAssetData;\n\n address etherToken = _wethAssetData.readAddress(16);\n address zrxToken = _zrxAssetData.readAddress(16);\n ETHER_TOKEN = IEtherToken(etherToken);\n ZRX_TOKEN = IERC20Token(zrxToken);\n }\n}\n", + "2.0.0/extensions/Forwarder/mixins/MAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssets.sol\";\n\n\ncontract MAssets is\n IAssets\n{\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract MExchangeWrapper {\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n}\n", + "2.0.0/extensions/Forwarder/mixins/MWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract MWeth {\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal;\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal;\n}\n", + "2.0.0/extensions/OrderValidator/OrderValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract OrderValidator {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n struct TraderInfo {\n uint256 makerBalance; // Maker's balance of makerAsset\n uint256 makerAllowance; // Maker's allowance to corresponding AssetProxy\n uint256 takerBalance; // Taker's balance of takerAsset\n uint256 takerAllowance; // Taker's allowance to corresponding AssetProxy\n uint256 makerZrxBalance; // Maker's balance of ZRX\n uint256 makerZrxAllowance; // Maker's allowance of ZRX to ERC20Proxy\n uint256 takerZrxBalance; // Taker's balance of ZRX\n uint256 takerZrxAllowance; // Taker's allowance of ZRX to ERC20Proxy\n }\n\n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n bytes internal ZRX_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (address _exchange, bytes memory _zrxAssetData)\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n }\n\n /// @dev Fetches information for order and maker/taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return OrderInfo and TraderInfo instances for given order.\n function getOrderAndTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo, TraderInfo memory traderInfo)\n {\n orderInfo = EXCHANGE.getOrderInfo(order);\n traderInfo = getTraderInfo(order, takerAddress);\n return (orderInfo, traderInfo);\n }\n\n /// @dev Fetches information for all passed in orders and the makers/takers of each order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Arrays of OrderInfo and TraderInfo instances that correspond to each order.\n function getOrdersAndTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (LibOrder.OrderInfo[] memory ordersInfo, TraderInfo[] memory tradersInfo)\n {\n ordersInfo = EXCHANGE.getOrdersInfo(orders);\n tradersInfo = getTradersInfo(orders, takerAddresses);\n return (ordersInfo, tradersInfo);\n }\n\n /// @dev Fetches balance and allowances for maker and taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return Balances and allowances of maker and taker of order.\n function getTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (TraderInfo memory traderInfo)\n {\n (traderInfo.makerBalance, traderInfo.makerAllowance) = getBalanceAndAllowance(order.makerAddress, order.makerAssetData);\n (traderInfo.takerBalance, traderInfo.takerAllowance) = getBalanceAndAllowance(takerAddress, order.takerAssetData);\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n (traderInfo.makerZrxBalance, traderInfo.makerZrxAllowance) = getBalanceAndAllowance(order.makerAddress, zrxAssetData);\n (traderInfo.takerZrxBalance, traderInfo.takerZrxAllowance) = getBalanceAndAllowance(takerAddress, zrxAssetData);\n return traderInfo;\n }\n\n /// @dev Fetches balances and allowances of maker and taker for each provided order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Array of balances and allowances for maker and taker of each order.\n function getTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (TraderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n TraderInfo[] memory tradersInfo = new TraderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n tradersInfo[i] = getTraderInfo(orders[i], takerAddresses[i]);\n }\n return tradersInfo;\n }\n\n /// @dev Fetches token balances and allowances of an address to given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Encoded data that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balance of asset and allowance set to given proxy of asset.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalanceAndAllowance(address target, bytes memory assetData)\n public\n view\n returns (uint256 balance, uint256 allowance)\n {\n bytes4 assetProxyId = assetData.readBytes4(0);\n address token = assetData.readAddress(16);\n address assetProxy = EXCHANGE.getAssetProxy(assetProxyId);\n\n if (assetProxyId == ERC20_DATA_ID) {\n // Query balance\n balance = IERC20Token(token).balanceOf(target);\n\n // Query allowance\n allowance = IERC20Token(token).allowance(target, assetProxy);\n } else if (assetProxyId == ERC721_DATA_ID) {\n uint256 tokenId = assetData.readUint256(36);\n\n // Query owner of tokenId\n address owner = getERC721TokenOwner(token, tokenId);\n\n // Set balance to 1 if tokenId is owned by target\n balance = target == owner ? 1 : 0;\n\n // Check if ERC721Proxy is approved to spend tokenId\n bool isApproved = IERC721Token(token).isApprovedForAll(target, assetProxy) || IERC721Token(token).getApproved(tokenId) == assetProxy;\n \n // Set alowance to 1 if ERC721Proxy is approved to spend tokenId\n allowance = isApproved ? 1 : 0;\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n return (balance, allowance);\n }\n\n /// @dev Fetches token balances and allowances of an address for each given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Array of encoded byte arrays that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balances and allowances of assets.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalancesAndAllowances(address target, bytes[] memory assetData)\n public\n view\n returns (uint256[] memory, uint256[] memory)\n {\n uint256 length = assetData.length;\n uint256[] memory balances = new uint256[](length);\n uint256[] memory allowances = new uint256[](length);\n for (uint256 i = 0; i != length; i++) {\n (balances[i], allowances[i]) = getBalanceAndAllowance(target, assetData[i]);\n }\n return (balances, allowances);\n }\n\n /// @dev Calls `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token.\n /// @param token Address of ERC721 token.\n /// @param tokenId The identifier for the specific NFT.\n /// @return Owner of tokenId or null address if unowned.\n function getERC721TokenOwner(address token, uint256 tokenId)\n public\n view\n returns (address owner)\n {\n assembly {\n // load free memory pointer\n let cdStart := mload(64)\n\n // bytes4(keccak256(ownerOf(uint256))) = 0x6352211e\n mstore(cdStart, 0x6352211e00000000000000000000000000000000000000000000000000000000)\n mstore(add(cdStart, 4), tokenId)\n\n // staticcall `ownerOf(tokenId)`\n // `ownerOf` will revert if tokenId is not owned\n let success := staticcall(\n gas, // forward all gas\n token, // call token contract\n cdStart, // start of calldata\n 36, // length of input is 36 bytes\n cdStart, // write output over input\n 32 // size of output is 32 bytes\n )\n\n // Success implies that tokenId is owned\n // Copy owner from return data if successful\n if success {\n owner := mload(cdStart)\n } \n }\n\n // Owner initialized to address(0), no need to modify if call is unsuccessful\n return owner;\n }\n}\n", + "2.0.0/multisig/MultiSigWallet.sol": "// solhint-disable\npragma solidity ^0.4.15;\n\n\n/// @title Multisignature wallet - Allows multiple parties to agree on transactions before execution.\n/// @author Stefan George - \ncontract MultiSigWallet {\n\n /*\n * Events\n */\n event Confirmation(address indexed sender, uint indexed transactionId);\n event Revocation(address indexed sender, uint indexed transactionId);\n event Submission(uint indexed transactionId);\n event Execution(uint indexed transactionId);\n event ExecutionFailure(uint indexed transactionId);\n event Deposit(address indexed sender, uint value);\n event OwnerAddition(address indexed owner);\n event OwnerRemoval(address indexed owner);\n event RequirementChange(uint required);\n\n /*\n * Constants\n */\n uint constant public MAX_OWNER_COUNT = 50;\n\n /*\n * Storage\n */\n mapping (uint => Transaction) public transactions;\n mapping (uint => mapping (address => bool)) public confirmations;\n mapping (address => bool) public isOwner;\n address[] public owners;\n uint public required;\n uint public transactionCount;\n\n struct Transaction {\n address destination;\n uint value;\n bytes data;\n bool executed;\n }\n\n /*\n * Modifiers\n */\n modifier onlyWallet() {\n require(msg.sender == address(this));\n _;\n }\n\n modifier ownerDoesNotExist(address owner) {\n require(!isOwner[owner]);\n _;\n }\n\n modifier ownerExists(address owner) {\n require(isOwner[owner]);\n _;\n }\n\n modifier transactionExists(uint transactionId) {\n require(transactions[transactionId].destination != 0);\n _;\n }\n\n modifier confirmed(uint transactionId, address owner) {\n require(confirmations[transactionId][owner]);\n _;\n }\n\n modifier notConfirmed(uint transactionId, address owner) {\n require(!confirmations[transactionId][owner]);\n _;\n }\n\n modifier notExecuted(uint transactionId) {\n require(!transactions[transactionId].executed);\n _;\n }\n\n modifier notNull(address _address) {\n require(_address != 0);\n _;\n }\n\n modifier validRequirement(uint ownerCount, uint _required) {\n require(ownerCount <= MAX_OWNER_COUNT\n && _required <= ownerCount\n && _required != 0\n && ownerCount != 0);\n _;\n }\n\n /// @dev Fallback function allows to deposit ether.\n function()\n payable\n {\n if (msg.value > 0)\n Deposit(msg.sender, msg.value);\n }\n\n /*\n * Public functions\n */\n /// @dev Contract constructor sets initial owners and required number of confirmations.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n function MultiSigWallet(address[] _owners, uint _required)\n public\n validRequirement(_owners.length, _required)\n {\n for (uint i=0; i<_owners.length; i++) {\n require(!isOwner[_owners[i]] && _owners[i] != 0);\n isOwner[_owners[i]] = true;\n }\n owners = _owners;\n required = _required;\n }\n\n /// @dev Allows to add a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of new owner.\n function addOwner(address owner)\n public\n onlyWallet\n ownerDoesNotExist(owner)\n notNull(owner)\n validRequirement(owners.length + 1, required)\n {\n isOwner[owner] = true;\n owners.push(owner);\n OwnerAddition(owner);\n }\n\n /// @dev Allows to remove an owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner.\n function removeOwner(address owner)\n public\n onlyWallet\n ownerExists(owner)\n {\n isOwner[owner] = false;\n for (uint i=0; i owners.length)\n changeRequirement(owners.length);\n OwnerRemoval(owner);\n }\n\n /// @dev Allows to replace an owner with a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner to be replaced.\n /// @param newOwner Address of new owner.\n function replaceOwner(address owner, address newOwner)\n public\n onlyWallet\n ownerExists(owner)\n ownerDoesNotExist(newOwner)\n {\n for (uint i=0; i\n// solhint-disable not-rely-on-time\ncontract MultiSigWalletWithTimeLock is\n MultiSigWallet\n{\n event ConfirmationTimeSet(uint256 indexed transactionId, uint256 confirmationTime);\n event TimeLockChange(uint256 secondsTimeLocked);\n\n uint256 public secondsTimeLocked;\n\n mapping (uint256 => uint256) public confirmationTimes;\n\n modifier notFullyConfirmed(uint256 transactionId) {\n require(\n !isConfirmed(transactionId),\n \"TX_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier fullyConfirmed(uint256 transactionId) {\n require(\n isConfirmed(transactionId),\n \"TX_NOT_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier pastTimeLock(uint256 transactionId) {\n require(\n block.timestamp >= confirmationTimes[transactionId] + secondsTimeLocked,\n \"TIME_LOCK_INCOMPLETE\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations, and time lock.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] _owners,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWallet(_owners, _required)\n {\n secondsTimeLocked = _secondsTimeLocked;\n }\n\n /// @dev Changes the duration of the time lock for transactions.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n function changeTimeLock(uint256 _secondsTimeLocked)\n public\n onlyWallet\n {\n secondsTimeLocked = _secondsTimeLocked;\n emit TimeLockChange(_secondsTimeLocked);\n }\n\n /// @dev Allows an owner to confirm a transaction.\n /// @param transactionId Transaction ID.\n function confirmTransaction(uint256 transactionId)\n public\n ownerExists(msg.sender)\n transactionExists(transactionId)\n notConfirmed(transactionId, msg.sender)\n notFullyConfirmed(transactionId)\n {\n confirmations[transactionId][msg.sender] = true;\n emit Confirmation(msg.sender, transactionId);\n if (isConfirmed(transactionId)) {\n setConfirmationTime(transactionId, block.timestamp);\n }\n }\n\n /// @dev Allows anyone to execute a confirmed transaction.\n /// @param transactionId Transaction ID.\n function executeTransaction(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n pastTimeLock(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n\n /// @dev Sets the time of when a submission first passed.\n function setConfirmationTime(uint256 transactionId, uint256 confirmationTime)\n internal\n {\n confirmationTimes[transactionId] = confirmationTime;\n emit ConfirmationTimeSet(transactionId, confirmationTime);\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC20Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n \n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 1 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n\n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. amount |\n\n /////// Read token address from calldata ///////\n // * The token address is stored in `assetData`.\n //\n // * The \"offset to assetData\" is stored at offset 4 in the calldata (table 1).\n // [assetDataOffsetFromParams = calldataload(4)]\n //\n // * Notes that the \"offset to assetData\" is relative to the \"Params\" area of calldata;\n // add 4 bytes to account for the length of the \"Header\" area (table 1).\n // [assetDataOffsetFromHeader = assetDataOffsetFromParams + 4]\n //\n // * The \"token address\" is offset 32+4=36 bytes into \"assetData\" (tables 1 & 2).\n // [tokenOffset = assetDataOffsetFromHeader + 36 = calldataload(4) + 4 + 36]\n let token := calldataload(add(calldataload(4), 40))\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from`, `to` and `amount` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 96)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output over input\n 32 // output size should be 32 bytes\n )\n\n /////// Check return data. ///////\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // nonzero 32 bytes value.\n // So the transfer succeeded if the call succeeded and either\n // returned nothing, or returned a non-zero 32 byte value. \n success := and(success, or(\n iszero(returndatasize),\n and(\n eq(returndatasize, 32),\n gt(mload(0), 0)\n )\n ))\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC721Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 2 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n // | | 36 | | 2. tokenId |\n \n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. tokenId |\n\n // There exists only 1 of each token.\n // require(amount == 1, \"INVALID_AMOUNT\")\n if sub(calldataload(100), 1) {\n // Revert with `Error(\"INVALID_AMOUNT\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from` and `to` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 64)\n\n // Copy `tokenId` field from our own calldata to the new calldata.\n let assetDataOffset := calldataload(4)\n calldatacopy(68, add(assetDataOffset, 72), 32)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let token := calldataload(add(assetDataOffset, 40))\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output to null\n 0 // output size is 0 bytes\n )\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAuthorizable.sol\";\n\n\ncontract MixinAuthorizable is\n Ownable,\n MAuthorizable\n{\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized {\n require(\n authorized[msg.sender],\n \"SENDER_NOT_AUTHORIZED\"\n );\n _;\n }\n\n mapping (address => bool) public authorized;\n address[] public authorities;\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n !authorized[target],\n \"TARGET_ALREADY_AUTHORIZED\"\n );\n\n authorized[target] = true;\n authorities.push(target);\n emit AuthorizedAddressAdded(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n\n delete authorized[target];\n for (uint256 i = 0; i < authorities.length; i++) {\n if (authorities[i] == target) {\n authorities[i] = authorities[authorities.length - 1];\n authorities.length -= 1;\n break;\n }\n }\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n require(\n index < authorities.length,\n \"INDEX_OUT_OF_BOUNDS\"\n );\n require(\n authorities[index] == target,\n \"AUTHORIZED_ADDRESS_MISMATCH\"\n );\n\n delete authorized[target];\n authorities[index] = authorities[authorities.length - 1];\n authorities.length -= 1;\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory)\n {\n return authorities;\n }\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IAuthorizable.sol\";\n\n\ncontract IAssetProxy is\n IAuthorizable\n{\n /// @dev Transfers assets. Either succeeds or throws.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n function transferFrom(\n bytes assetData,\n address from,\n address to,\n uint256 amount\n )\n external;\n \n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4);\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/Ownable/IOwnable.sol\";\n\n\ncontract IAuthorizable is\n IOwnable\n{\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external;\n \n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory);\n}\n", + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAuthorizable.sol\";\n\n\ncontract MAuthorizable is\n IAuthorizable\n{\n // Event logged when a new address is authorized.\n event AuthorizedAddressAdded(\n address indexed target,\n address indexed caller\n );\n\n // Event logged when a currently authorized address is unauthorized.\n event AuthorizedAddressRemoved(\n address indexed target,\n address indexed caller\n );\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized { revert(); _; }\n}\n", + "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../multisig/MultiSigWalletWithTimeLock.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract AssetProxyOwner is\n MultiSigWalletWithTimeLock\n{\n using LibBytes for bytes;\n\n event AssetProxyRegistration(address assetProxyContract, bool isRegistered);\n\n // Mapping of AssetProxy contract address =>\n // if this contract is allowed to call the AssetProxy's `removeAuthorizedAddressAtIndex` method without a time lock.\n mapping (address => bool) public isAssetProxyRegistered;\n\n bytes4 constant internal REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR = bytes4(keccak256(\"removeAuthorizedAddressAtIndex(address,uint256)\"));\n\n /// @dev Function will revert if the transaction does not call `removeAuthorizedAddressAtIndex`\n /// on an approved AssetProxy contract.\n modifier validRemoveAuthorizedAddressAtIndexTx(uint256 transactionId) {\n Transaction storage txn = transactions[transactionId];\n require(\n isAssetProxyRegistered[txn.destination],\n \"UNREGISTERED_ASSET_PROXY\"\n );\n require(\n txn.data.readBytes4(0) == REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR,\n \"INVALID_FUNCTION_SELECTOR\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations,\n /// time lock, and list of AssetProxy addresses.\n /// @param _owners List of initial owners.\n /// @param _assetProxyContracts Array of AssetProxy contract addresses.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] memory _owners,\n address[] memory _assetProxyContracts,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWalletWithTimeLock(_owners, _required, _secondsTimeLocked)\n {\n for (uint256 i = 0; i < _assetProxyContracts.length; i++) {\n address assetProxy = _assetProxyContracts[i];\n require(\n assetProxy != address(0),\n \"INVALID_ASSET_PROXY\"\n );\n isAssetProxyRegistered[assetProxy] = true;\n }\n }\n\n /// @dev Registers or deregisters an AssetProxy to be able to execute\n /// `removeAuthorizedAddressAtIndex` without a timelock.\n /// @param assetProxyContract Address of AssetProxy contract.\n /// @param isRegistered Status of approval for AssetProxy contract.\n function registerAssetProxy(address assetProxyContract, bool isRegistered)\n public\n onlyWallet\n notNull(assetProxyContract)\n {\n isAssetProxyRegistered[assetProxyContract] = isRegistered;\n emit AssetProxyRegistration(assetProxyContract, isRegistered);\n }\n\n /// @dev Allows execution of `removeAuthorizedAddressAtIndex` without time lock.\n /// @param transactionId Transaction ID.\n function executeRemoveAuthorizedAddressAtIndex(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n validRemoveAuthorizedAddressAtIndexTx(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n}\n", + "2.0.0/protocol/Exchange/Exchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinExchangeCore.sol\";\nimport \"./MixinSignatureValidator.sol\";\nimport \"./MixinWrapperFunctions.sol\";\nimport \"./MixinAssetProxyDispatcher.sol\";\nimport \"./MixinTransactions.sol\";\nimport \"./MixinMatchOrders.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Exchange is\n MixinExchangeCore,\n MixinMatchOrders,\n MixinSignatureValidator,\n MixinTransactions,\n MixinAssetProxyDispatcher,\n MixinWrapperFunctions\n{\n string constant public VERSION = \"2.0.1-alpha\";\n\n // Mixins are instantiated in the order they are inherited\n constructor (bytes memory _zrxAssetData)\n public\n LibConstants(_zrxAssetData) // @TODO: Remove when we deploy.\n MixinExchangeCore()\n MixinMatchOrders()\n MixinSignatureValidator()\n MixinTransactions()\n MixinAssetProxyDispatcher()\n MixinWrapperFunctions()\n {}\n}\n", + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\nimport \"../AssetProxy/interfaces/IAssetProxy.sol\";\n\n\ncontract MixinAssetProxyDispatcher is\n Ownable,\n MAssetProxyDispatcher\n{\n // Mapping from Asset Proxy Id's to their respective Asset Proxy\n mapping (bytes4 => IAssetProxy) public assetProxies;\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external\n onlyOwner\n {\n IAssetProxy assetProxyContract = IAssetProxy(assetProxy);\n\n // Ensure that no asset proxy exists with current id.\n bytes4 assetProxyId = assetProxyContract.getProxyId();\n address currentAssetProxy = assetProxies[assetProxyId];\n require(\n currentAssetProxy == address(0),\n \"ASSET_PROXY_ALREADY_EXISTS\"\n );\n\n // Add asset proxy and log registration.\n assetProxies[assetProxyId] = assetProxyContract;\n emit AssetProxyRegistered(\n assetProxyId,\n assetProxy\n );\n }\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address)\n {\n return assetProxies[assetProxyId];\n }\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal\n {\n // Do nothing if no amount should be transferred.\n if (amount > 0 && from != to) {\n // Ensure assetData length is valid\n require(\n assetData.length > 3,\n \"LENGTH_GREATER_THAN_3_REQUIRED\"\n );\n \n // Lookup assetProxy. We do not use `LibBytes.readBytes4` for gas efficiency reasons.\n bytes4 assetProxyId;\n assembly {\n assetProxyId := and(mload(\n add(assetData, 32)),\n 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000\n )\n }\n address assetProxy = assetProxies[assetProxyId];\n\n // Ensure that assetProxy exists\n require(\n assetProxy != address(0),\n \"ASSET_PROXY_DOES_NOT_EXIST\"\n );\n \n // We construct calldata for the `assetProxy.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n\n assembly {\n /////// Setup State ///////\n // `cdStart` is the start of the calldata for `assetProxy.transferFrom` (equal to free memory ptr).\n let cdStart := mload(64)\n // `dataAreaLength` is the total number of words needed to store `assetData`\n // As-per the ABI spec, this value is padded up to the nearest multiple of 32,\n // and includes 32-bytes for length.\n let dataAreaLength := and(add(mload(assetData), 63), 0xFFFFFFFFFFFE0)\n // `cdEnd` is the end of the calldata for `assetProxy.transferFrom`.\n let cdEnd := add(cdStart, add(132, dataAreaLength))\n\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFromSelector`.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes.\n // Notes:\n // 1. The offset to `assetData` is the length of the Params Area (128 bytes).\n // 2. A 20-byte mask is applied to addresses to zero-out the unused bytes.\n mstore(add(cdStart, 4), 128)\n mstore(add(cdStart, 36), and(from, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 68), and(to, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 100), amount)\n \n /////// Setup Data Area ///////\n // This area holds `assetData`.\n let dataArea := add(cdStart, 132)\n // solhint-disable-next-line no-empty-blocks\n for {} lt(dataArea, cdEnd) {} {\n mstore(dataArea, mload(assetData))\n dataArea := add(dataArea, 32)\n assetData := add(assetData, 32)\n }\n\n /////// Call `assetProxy.transferFrom` using the constructed calldata ///////\n let success := call(\n gas, // forward all gas\n assetProxy, // call address of asset proxy\n 0, // don't send any ETH\n cdStart, // pointer to start of input\n sub(cdEnd, cdStart), // length of input \n cdStart, // write output over input\n 512 // reserve 512 bytes for output\n )\n if iszero(success) {\n revert(cdStart, returndatasize())\n }\n }\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinExchangeCore is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n LibOrder,\n LibFillResults,\n MAssetProxyDispatcher,\n MExchangeCore,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of orderHash => amount of takerAsset already bought by maker\n mapping (bytes32 => uint256) public filled;\n\n // Mapping of orderHash => cancelled\n mapping (bytes32 => bool) public cancelled;\n\n // Mapping of makerAddress => senderAddress => lowest salt an order can have in order to be fillable\n // Orders with specified senderAddress and with a salt less than their epoch are considered cancelled\n mapping (address => mapping (address => uint256)) public orderEpoch;\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external\n nonReentrant\n {\n address makerAddress = getCurrentContextAddress();\n // If this function is called via `executeTransaction`, we only update the orderEpoch for the makerAddress/msg.sender combination.\n // This allows external filter contracts to add rules to how orders are cancelled via this function.\n address senderAddress = makerAddress == msg.sender ? address(0) : msg.sender;\n\n // orderEpoch is initialized to 0, so to cancelUpTo we need salt + 1\n uint256 newOrderEpoch = targetOrderEpoch + 1; \n uint256 oldOrderEpoch = orderEpoch[makerAddress][senderAddress];\n\n // Ensure orderEpoch is monotonically increasing\n require(\n newOrderEpoch > oldOrderEpoch, \n \"INVALID_NEW_ORDER_EPOCH\"\n );\n\n // Update orderEpoch\n orderEpoch[makerAddress][senderAddress] = newOrderEpoch;\n emit CancelUpTo(\n makerAddress,\n senderAddress,\n newOrderEpoch\n );\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrder(Order memory order)\n public\n nonReentrant\n {\n cancelOrderInternal(order);\n }\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(Order memory order)\n public\n view\n returns (OrderInfo memory orderInfo)\n {\n // Compute the order hash\n orderInfo.orderHash = getOrderHash(order);\n\n // Fetch filled amount\n orderInfo.orderTakerAssetFilledAmount = filled[orderInfo.orderHash];\n\n // If order.makerAssetAmount is zero, we also reject the order.\n // While the Exchange contract handles them correctly, they create\n // edge cases in the supporting infrastructure because they have\n // an 'infinite' price when computed by a simple division.\n if (order.makerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_MAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // If order.takerAssetAmount is zero, then the order will always\n // be considered filled because 0 == takerAssetAmount == orderTakerAssetFilledAmount\n // Instead of distinguishing between unfilled and filled zero taker\n // amount orders, we choose not to support them.\n if (order.takerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_TAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // Validate order availability\n if (orderInfo.orderTakerAssetFilledAmount >= order.takerAssetAmount) {\n orderInfo.orderStatus = uint8(OrderStatus.FULLY_FILLED);\n return orderInfo;\n }\n\n // Validate order expiration\n // solhint-disable-next-line not-rely-on-time\n if (block.timestamp >= order.expirationTimeSeconds) {\n orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);\n return orderInfo;\n }\n\n // Check if order has been cancelled\n if (cancelled[orderInfo.orderHash]) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n if (orderEpoch[order.makerAddress][order.senderAddress] > order.salt) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n\n // All other statuses are ruled out: order is Fillable\n orderInfo.orderStatus = uint8(OrderStatus.FILLABLE);\n return orderInfo;\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // Fetch order info\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Assert that the order is fillable by taker\n assertFillableOrder(\n order,\n orderInfo,\n takerAddress,\n signature\n );\n \n // Get amount of takerAsset to fill\n uint256 remainingTakerAssetAmount = safeSub(order.takerAssetAmount, orderInfo.orderTakerAssetFilledAmount);\n uint256 takerAssetFilledAmount = min256(takerAssetFillAmount, remainingTakerAssetAmount);\n\n // Validate context\n assertValidFill(\n order,\n orderInfo,\n takerAssetFillAmount,\n takerAssetFilledAmount,\n fillResults.makerAssetFilledAmount\n );\n\n // Compute proportional fill amounts\n fillResults = calculateFillResults(order, takerAssetFilledAmount);\n\n // Update exchange internal state\n updateFilledState(\n order,\n takerAddress,\n orderInfo.orderHash,\n orderInfo.orderTakerAssetFilledAmount,\n fillResults\n );\n \n // Settle order\n settleOrder(\n order,\n takerAddress,\n fillResults\n );\n\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrderInternal(Order memory order)\n internal\n {\n // Fetch current order status\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Validate context\n assertValidCancel(order, orderInfo);\n\n // Perform cancel\n updateCancelledState(order, orderInfo.orderHash);\n }\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n function updateFilledState(\n Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n FillResults memory fillResults\n )\n internal\n {\n // Update state\n filled[orderHash] = safeAdd(orderTakerAssetFilledAmount, fillResults.takerAssetFilledAmount);\n\n // Log order\n emit Fill(\n order.makerAddress,\n order.feeRecipientAddress,\n takerAddress,\n msg.sender,\n fillResults.makerAssetFilledAmount,\n fillResults.takerAssetFilledAmount,\n fillResults.makerFeePaid,\n fillResults.takerFeePaid,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n Order memory order,\n bytes32 orderHash\n )\n internal\n {\n // Perform cancel\n cancelled[orderHash] = true;\n\n // Log cancel\n emit Cancel(\n order.makerAddress,\n order.feeRecipientAddress,\n msg.sender,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n Order memory order,\n OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view\n {\n // An order can only be filled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n \n // Validate sender is allowed to fill this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n \n // Validate taker is allowed to fill this order\n if (order.takerAddress != address(0)) {\n require(\n order.takerAddress == takerAddress,\n \"INVALID_TAKER\"\n );\n }\n \n // Validate Maker signature (check only if first time seen)\n if (orderInfo.orderTakerAssetFilledAmount == 0) {\n require(\n isValidSignature(\n orderInfo.orderHash,\n order.makerAddress,\n signature\n ),\n \"INVALID_ORDER_SIGNATURE\"\n );\n }\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n Order memory order,\n OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount, // TODO: use FillResults\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view\n {\n // Revert if fill amount is invalid\n // TODO: reconsider necessity for v2.1\n require(\n takerAssetFillAmount != 0,\n \"INVALID_TAKER_AMOUNT\"\n );\n \n // Make sure taker does not pay more than desired amount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n takerAssetFilledAmount <= takerAssetFillAmount,\n \"TAKER_OVERPAY\"\n );\n \n // Make sure order is not overfilled\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeAdd(orderInfo.orderTakerAssetFilledAmount, takerAssetFilledAmount) <= order.takerAssetAmount,\n \"ORDER_OVERFILL\"\n );\n \n // Make sure order is filled at acceptable price.\n // The order has an implied price from the makers perspective:\n // order price = order.makerAssetAmount / order.takerAssetAmount\n // i.e. the number of makerAsset maker is paying per takerAsset. The\n // maker is guaranteed to get this price or a better (lower) one. The\n // actual price maker is getting in this fill is:\n // fill price = makerAssetFilledAmount / takerAssetFilledAmount\n // We need `fill price <= order price` for the fill to be fair to maker.\n // This amounts to:\n // makerAssetFilledAmount order.makerAssetAmount\n // ------------------------ <= -----------------------\n // takerAssetFilledAmount order.takerAssetAmount\n // or, equivalently:\n // makerAssetFilledAmount * order.takerAssetAmount <=\n // order.makerAssetAmount * takerAssetFilledAmount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeMul(makerAssetFilledAmount, order.takerAssetAmount)\n <= \n safeMul(order.makerAssetAmount, takerAssetFilledAmount),\n \"INVALID_FILL_PRICE\"\n );\n }\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n Order memory order,\n OrderInfo memory orderInfo\n )\n internal\n view\n {\n // Ensure order is valid\n // An order can only be cancelled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Validate sender is allowed to cancel this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate transaction signed by maker\n address makerAddress = getCurrentContextAddress();\n require(\n order.makerAddress == makerAddress,\n \"INVALID_MAKER\"\n );\n }\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (FillResults memory fillResults)\n {\n // Compute proportional transfer amounts\n fillResults.takerAssetFilledAmount = takerAssetFilledAmount;\n fillResults.makerAssetFilledAmount = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n );\n fillResults.makerFeePaid = safeGetPartialAmountFloor(\n fillResults.makerAssetFilledAmount,\n order.makerAssetAmount,\n order.makerFee\n );\n fillResults.takerFeePaid = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.takerFee\n );\n\n return fillResults;\n }\n\n /// @dev Settles an order by transferring assets between counterparties.\n /// @param order Order struct containing order specifications.\n /// @param takerAddress Address selling takerAsset and buying makerAsset.\n /// @param fillResults Amounts to be filled and fees paid by maker and taker.\n function settleOrder(\n LibOrder.Order memory order,\n address takerAddress,\n LibFillResults.FillResults memory fillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n dispatchTransferFrom(\n order.makerAssetData,\n order.makerAddress,\n takerAddress,\n fillResults.makerAssetFilledAmount\n );\n dispatchTransferFrom(\n order.takerAssetData,\n takerAddress,\n order.makerAddress,\n fillResults.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n zrxAssetData,\n order.makerAddress,\n order.feeRecipientAddress,\n fillResults.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n order.feeRecipientAddress,\n fillResults.takerFeePaid\n );\n }\n}\n", + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": "/*\n Copyright 2018 ZeroEx Intl.\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n http://www.apache.org/licenses/LICENSE-2.0\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MMatchOrders.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinMatchOrders is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n MAssetProxyDispatcher,\n MExchangeCore,\n MMatchOrders,\n MTransactions\n{\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n nonReentrant\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We assume that rightOrder.takerAssetData == leftOrder.makerAssetData and rightOrder.makerAssetData == leftOrder.takerAssetData.\n // If this assumption isn't true, the match will fail at signature validation.\n rightOrder.makerAssetData = leftOrder.takerAssetData;\n rightOrder.takerAssetData = leftOrder.makerAssetData;\n\n // Get left & right order info\n LibOrder.OrderInfo memory leftOrderInfo = getOrderInfo(leftOrder);\n LibOrder.OrderInfo memory rightOrderInfo = getOrderInfo(rightOrder);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Either our context is valid or we revert\n assertFillableOrder(\n leftOrder,\n leftOrderInfo,\n takerAddress,\n leftSignature\n );\n assertFillableOrder(\n rightOrder,\n rightOrderInfo,\n takerAddress,\n rightSignature\n );\n assertValidMatch(leftOrder, rightOrder);\n\n // Compute proportional fill amounts\n matchedFillResults = calculateMatchedFillResults(\n leftOrder,\n rightOrder,\n leftOrderInfo.orderTakerAssetFilledAmount,\n rightOrderInfo.orderTakerAssetFilledAmount\n );\n\n // Validate fill contexts\n assertValidFill(\n leftOrder,\n leftOrderInfo,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.makerAssetFilledAmount\n );\n assertValidFill(\n rightOrder,\n rightOrderInfo,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n \n // Update exchange state\n updateFilledState(\n leftOrder,\n takerAddress,\n leftOrderInfo.orderHash,\n leftOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.left\n );\n updateFilledState(\n rightOrder,\n takerAddress,\n rightOrderInfo.orderHash,\n rightOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.right\n );\n\n // Settle matched orders. Succeeds or throws.\n settleMatchedOrders(\n leftOrder,\n rightOrder,\n takerAddress,\n matchedFillResults\n );\n\n return matchedFillResults;\n }\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure\n {\n // Make sure there is a profitable spread.\n // There is a profitable spread iff the cost per unit bought (OrderA.MakerAmount/OrderA.TakerAmount) for each order is greater\n // than the profit per unit sold of the matched order (OrderB.TakerAmount/OrderB.MakerAmount).\n // This is satisfied by the equations below:\n // / >= / \n // AND\n // / >= / \n // These equations can be combined to get the following:\n require(\n safeMul(leftOrder.makerAssetAmount, rightOrder.makerAssetAmount) >=\n safeMul(leftOrder.takerAssetAmount, rightOrder.takerAssetAmount),\n \"NEGATIVE_SPREAD_REQUIRED\"\n );\n }\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // Derive maker asset amounts for left & right orders, given store taker assert amounts\n uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);\n uint256 leftMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n leftTakerAssetAmountRemaining\n );\n uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);\n uint256 rightMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n rightOrder.makerAssetAmount,\n rightOrder.takerAssetAmount,\n rightTakerAssetAmountRemaining\n );\n\n // Calculate fill results for maker and taker assets: at least one order will be fully filled.\n // The maximum amount the left maker can buy is `leftTakerAssetAmountRemaining`\n // The maximum amount the right maker can sell is `rightMakerAssetAmountRemaining`\n // We have two distinct cases for calculating the fill results:\n // Case 1.\n // If the left maker can buy more than the right maker can sell, then only the right order is fully filled.\n // If the left maker can buy exactly what the right maker can sell, then both orders are fully filled.\n // Case 2.\n // If the left maker cannot buy more than the right maker can sell, then only the left order is fully filled.\n if (leftTakerAssetAmountRemaining >= rightMakerAssetAmountRemaining) {\n // Case 1: Right order is fully filled\n matchedFillResults.right.makerAssetFilledAmount = rightMakerAssetAmountRemaining;\n matchedFillResults.right.takerAssetFilledAmount = rightTakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = matchedFillResults.right.makerAssetFilledAmount;\n // Round down to ensure the maker's exchange rate does not exceed the price specified by the order. \n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.left.makerAssetFilledAmount = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n matchedFillResults.left.takerAssetFilledAmount\n );\n } else {\n // Case 2: Left order is fully filled\n matchedFillResults.left.makerAssetFilledAmount = leftMakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = leftTakerAssetAmountRemaining;\n matchedFillResults.right.makerAssetFilledAmount = matchedFillResults.left.takerAssetFilledAmount;\n // Round up to ensure the maker's exchange rate does not exceed the price specified by the order.\n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.right.takerAssetFilledAmount = safeGetPartialAmountCeil(\n rightOrder.takerAssetAmount,\n rightOrder.makerAssetAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n }\n\n // Calculate amount given to taker\n matchedFillResults.leftMakerAssetSpreadAmount = safeSub(\n matchedFillResults.left.makerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount\n );\n\n // Compute fees for left order\n matchedFillResults.left.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.makerAssetFilledAmount,\n leftOrder.makerAssetAmount,\n leftOrder.makerFee\n );\n matchedFillResults.left.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.takerAssetFilledAmount,\n leftOrder.takerAssetAmount,\n leftOrder.takerFee\n );\n\n // Compute fees for right order\n matchedFillResults.right.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.makerAssetFilledAmount,\n rightOrder.makerAssetAmount,\n rightOrder.makerFee\n );\n matchedFillResults.right.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.takerAssetFilledAmount,\n rightOrder.takerAssetAmount,\n rightOrder.takerFee\n );\n\n // Return fill results\n return matchedFillResults;\n }\n\n /// @dev Settles matched order by transferring appropriate funds between order makers, taker, and fee recipient.\n /// @param leftOrder First matched order.\n /// @param rightOrder Second matched order.\n /// @param takerAddress Address that matched the orders. The taker receives the spread between orders as profit.\n /// @param matchedFillResults Struct holding amounts to transfer between makers, taker, and fee recipients.\n function settleMatchedOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n address takerAddress,\n LibFillResults.MatchedFillResults memory matchedFillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n // Order makers and taker\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n rightOrder.makerAddress,\n matchedFillResults.right.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n rightOrder.makerAssetData,\n rightOrder.makerAddress,\n leftOrder.makerAddress,\n matchedFillResults.left.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n takerAddress,\n matchedFillResults.leftMakerAssetSpreadAmount\n );\n\n // Maker fees\n dispatchTransferFrom(\n zrxAssetData,\n leftOrder.makerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n rightOrder.makerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.makerFeePaid\n );\n\n // Taker fees\n if (leftOrder.feeRecipientAddress == rightOrder.feeRecipientAddress) {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n safeAdd(\n matchedFillResults.left.takerFeePaid,\n matchedFillResults.right.takerFeePaid\n )\n );\n } else {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.takerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.takerFeePaid\n );\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./interfaces/IWallet.sol\";\nimport \"./interfaces/IValidator.sol\";\n\n\ncontract MixinSignatureValidator is\n ReentrancyGuard,\n MSignatureValidator,\n MTransactions\n{\n using LibBytes for bytes;\n \n // Mapping of hash => signer => signed\n mapping (bytes32 => mapping (address => bool)) public preSigned;\n\n // Mapping of signer => validator => approved\n mapping (address => mapping (address => bool)) public allowedValidators;\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n {\n if (signerAddress != msg.sender) {\n require(\n isValidSignature(\n hash,\n signerAddress,\n signature\n ),\n \"INVALID_SIGNATURE\"\n );\n }\n preSigned[hash][signerAddress] = true;\n }\n\n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external\n nonReentrant\n {\n address signerAddress = getCurrentContextAddress();\n allowedValidators[signerAddress][validatorAddress] = approval;\n emit SignatureValidatorApproval(\n signerAddress,\n validatorAddress,\n approval\n );\n }\n\n /// @dev Verifies that a hash has been signed by the given signer.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid)\n {\n require(\n signature.length > 0,\n \"LENGTH_GREATER_THAN_0_REQUIRED\"\n );\n\n // Pop last byte off of signature byte array.\n uint8 signatureTypeRaw = uint8(signature.popLastByte());\n\n // Ensure signature is supported\n require(\n signatureTypeRaw < uint8(SignatureType.NSignatureTypes),\n \"SIGNATURE_UNSUPPORTED\"\n );\n\n SignatureType signatureType = SignatureType(signatureTypeRaw);\n\n // Variables are not scoped in Solidity.\n uint8 v;\n bytes32 r;\n bytes32 s;\n address recovered;\n\n // Always illegal signature.\n // This is always an implicit option since a signer can create a\n // signature array with invalid type or length. We may as well make\n // it an explicit option. This aids testing and analysis. It is\n // also the initialization value for the enum type.\n if (signatureType == SignatureType.Illegal) {\n revert(\"SIGNATURE_ILLEGAL\");\n\n // Always invalid signature.\n // Like Illegal, this is always implicitly available and therefore\n // offered explicitly. It can be implicitly created by providing\n // a correctly formatted but incorrect signature.\n } else if (signatureType == SignatureType.Invalid) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = false;\n return isValid;\n\n // Signature using EIP712\n } else if (signatureType == SignatureType.EIP712) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n hash,\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signed using web3.eth_sign\n } else if (signatureType == SignatureType.EthSign) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n32\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signature verified by wallet contract.\n // If used with an order, the maker of the order is the wallet contract.\n } else if (signatureType == SignatureType.Wallet) {\n isValid = isValidWalletSignature(\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signature verified by validator contract.\n // If used with an order, the maker of the order can still be an EOA.\n // A signature using this type should be encoded as:\n // | Offset | Length | Contents |\n // | 0x00 | x | Signature to validate |\n // | 0x00 + x | 20 | Address of validator contract |\n // | 0x14 + x | 1 | Signature type is always \"\\x06\" |\n } else if (signatureType == SignatureType.Validator) {\n // Pop last 20 bytes off of signature byte array.\n address validatorAddress = signature.popLast20Bytes();\n \n // Ensure signer has approved validator.\n if (!allowedValidators[signerAddress][validatorAddress]) {\n return false;\n }\n isValid = isValidValidatorSignature(\n validatorAddress,\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signer signed hash previously using the preSign function.\n } else if (signatureType == SignatureType.PreSigned) {\n isValid = preSigned[hash][signerAddress];\n return isValid;\n }\n\n // Anything else is illegal (We do not return false because\n // the signature may actually be valid, just not in a format\n // that we currently support. In this case returning false\n // may lead the caller to incorrectly believe that the\n // signature was invalid.)\n revert(\"SIGNATURE_UNSUPPORTED\");\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if signature is valid for given wallet..\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IWallet(walletAddress).isValidSignature.selector,\n hash,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n walletAddress, // address of Wallet contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"WALLET_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000c57414c4c45545f4552524f5200000000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IValidator(signerAddress).isValidSignature.selector,\n hash,\n signerAddress,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n validatorAddress, // address of Validator contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"VALIDATOR_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f56414c494441544f525f4552524f5200000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n}\n", + "2.0.0/protocol/Exchange/MixinTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"./libs/LibExchangeErrors.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./libs/LibEIP712.sol\";\n\n\ncontract MixinTransactions is\n LibEIP712,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of transaction hash => executed\n // This prevents transactions from being executed more than once.\n mapping (bytes32 => bool) public transactions;\n\n // Address of current transaction signer\n address public currentContextAddress;\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external\n {\n // Prevent reentrancy\n require(\n currentContextAddress == address(0),\n \"REENTRANCY_ILLEGAL\"\n );\n\n bytes32 transactionHash = hashEIP712Message(hashZeroExTransaction(\n salt,\n signerAddress,\n data\n ));\n\n // Validate transaction has not been executed\n require(\n !transactions[transactionHash],\n \"INVALID_TX_HASH\"\n );\n\n // Transaction always valid if signer is sender of transaction\n if (signerAddress != msg.sender) {\n // Validate signature\n require(\n isValidSignature(\n transactionHash,\n signerAddress,\n signature\n ),\n \"INVALID_TX_SIGNATURE\"\n );\n\n // Set the current transaction signer\n currentContextAddress = signerAddress;\n }\n\n // Execute transaction\n transactions[transactionHash] = true;\n require(\n address(this).delegatecall(data),\n \"FAILED_EXECUTION\"\n );\n\n // Reset current transaction signer if it was previously updated\n if (signerAddress != msg.sender) {\n currentContextAddress = address(0);\n }\n }\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;\n bytes32 dataHash = keccak256(data);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,\n // salt,\n // bytes32(signerAddress),\n // keccak256(data)\n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, schemaHash) // hash of schema\n mstore(add(memPtr, 32), salt) // salt\n mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff)) // signerAddress\n mstore(add(memPtr, 96), dataHash) // hash of data\n\n // Compute hash\n result := keccak256(memPtr, 128)\n }\n return result;\n }\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address)\n {\n address currentContextAddress_ = currentContextAddress;\n address contextAddress = currentContextAddress_ == address(0) ? msg.sender : currentContextAddress_;\n return contextAddress;\n }\n}\n", + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibAbiEncoder.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MWrapperFunctions.sol\";\n\n\ncontract MixinWrapperFunctions is\n ReentrancyGuard,\n LibMath,\n LibFillResults,\n LibAbiEncoder,\n MExchangeCore,\n MWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrKillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n // Delegate to `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := delegatecall(\n gas, // forward all gas\n address, // call address of this contract\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrKillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n \n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public\n nonReentrant\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n cancelOrderInternal(orders[i]);\n }\n }\n\n /// @dev Fetches information for all passed in orders.\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n LibOrder.OrderInfo[] memory ordersInfo = new LibOrder.OrderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n ordersInfo[i] = getOrderInfo(orders[i]);\n }\n return ordersInfo;\n }\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n require(\n fillResults.takerAssetFilledAmount == takerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return fillResults;\n }\n}\n", + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssetProxyDispatcher {\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external;\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./IExchangeCore.sol\";\nimport \"./IMatchOrders.sol\";\nimport \"./ISignatureValidator.sol\";\nimport \"./ITransactions.sol\";\nimport \"./IAssetProxyDispatcher.sol\";\nimport \"./IWrapperFunctions.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract IExchange is\n IExchangeCore,\n IMatchOrders,\n ISignatureValidator,\n ITransactions,\n IAssetProxyDispatcher,\n IWrapperFunctions\n{}\n", + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IExchangeCore {\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external;\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrder(LibOrder.Order memory order)\n public;\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(LibOrder.Order memory order)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IMatchOrders {\n\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ISignatureValidator {\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external;\n \n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external;\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address of signer.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\n\ncontract ITransactions {\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external;\n}\n", + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IValidator {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IWallet {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IWrapperFunctions {\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public;\n\n /// @dev Fetches information for all passed in orders\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory);\n}\n", + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./LibOrder.sol\";\n\n\ncontract LibAbiEncoder {\n\n /// @dev ABI encodes calldata for `fillOrder`.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return ABI encoded calldata for `fillOrder`.\n function abiEncodeFillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n pure\n returns (bytes memory fillOrderCalldata)\n {\n // We need to call MExchangeCore.fillOrder using a delegatecall in\n // assembly so that we can intercept a call that throws. For this, we\n // need the input encoded in memory in the Ethereum ABIv2 format [1].\n\n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0x00 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 0x00 | | 1. offset to order (*) |\n // | | 0x20 | | 2. takerAssetFillAmount |\n // | | 0x40 | | 3. offset to signature (*) |\n // | Data | | 12 * 32 | order: |\n // | | 0x000 | | 1. senderAddress |\n // | | 0x020 | | 2. makerAddress |\n // | | 0x040 | | 3. takerAddress |\n // | | 0x060 | | 4. feeRecipientAddress |\n // | | 0x080 | | 5. makerAssetAmount |\n // | | 0x0A0 | | 6. takerAssetAmount |\n // | | 0x0C0 | | 7. makerFeeAmount |\n // | | 0x0E0 | | 8. takerFeeAmount |\n // | | 0x100 | | 9. expirationTimeSeconds |\n // | | 0x120 | | 10. salt |\n // | | 0x140 | | 11. Offset to makerAssetData (*) |\n // | | 0x160 | | 12. Offset to takerAssetData (*) |\n // | | 0x180 | 32 | makerAssetData Length |\n // | | 0x1A0 | ** | makerAssetData Contents |\n // | | 0x1C0 | 32 | takerAssetData Length |\n // | | 0x1E0 | ** | takerAssetData Contents |\n // | | 0x200 | 32 | signature Length |\n // | | 0x220 | ** | signature Contents |\n\n // * Offsets are calculated from the beginning of the current area: Header, Params, Data:\n // An offset stored in the Params area is calculated from the beginning of the Params section.\n // An offset stored in the Data area is calculated from the beginning of the Data section.\n\n // ** The length of dynamic array contents are stored in the field immediately preceeding the contents.\n\n // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html\n\n assembly {\n\n // Areas below may use the following variables:\n // 1. Start -- Start of this area in memory\n // 2. End -- End of this area in memory. This value may\n // be precomputed (before writing contents),\n // or it may be computed as contents are written.\n // 3. Offset -- Current offset into area. If an area's End\n // is precomputed, this variable tracks the\n // offsets of contents as they are written.\n\n /////// Setup Header Area ///////\n // Load free memory pointer\n fillOrderCalldata := mload(0x40)\n // bytes4(keccak256(\"fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)\"))\n // = 0xb4be83d5\n // Leave 0x20 bytes to store the length\n mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000)\n let headerAreaEnd := add(fillOrderCalldata, 0x24)\n\n /////// Setup Params Area ///////\n // This area is preallocated and written to later.\n // This is because we need to fill in offsets that have not yet been calculated.\n let paramsAreaStart := headerAreaEnd\n let paramsAreaEnd := add(paramsAreaStart, 0x60)\n let paramsAreaOffset := paramsAreaStart\n\n /////// Setup Data Area ///////\n let dataAreaStart := paramsAreaEnd\n let dataAreaEnd := dataAreaStart\n\n // Offset from the source data we're reading from\n let sourceOffset := order\n // arrayLenBytes and arrayLenWords track the length of a dynamically-allocated bytes array.\n let arrayLenBytes := 0\n let arrayLenWords := 0\n\n /////// Write order Struct ///////\n // Write memory location of Order, relative to the start of the\n // parameter list, then increment the paramsAreaOffset respectively.\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n // Write values for each field in the order\n // It would be nice to use a loop, but we save on gas by writing\n // the stores sequentially.\n mstore(dataAreaEnd, mload(sourceOffset)) // makerAddress\n mstore(add(dataAreaEnd, 0x20), mload(add(sourceOffset, 0x20))) // takerAddress\n mstore(add(dataAreaEnd, 0x40), mload(add(sourceOffset, 0x40))) // feeRecipientAddress\n mstore(add(dataAreaEnd, 0x60), mload(add(sourceOffset, 0x60))) // senderAddress\n mstore(add(dataAreaEnd, 0x80), mload(add(sourceOffset, 0x80))) // makerAssetAmount\n mstore(add(dataAreaEnd, 0xA0), mload(add(sourceOffset, 0xA0))) // takerAssetAmount\n mstore(add(dataAreaEnd, 0xC0), mload(add(sourceOffset, 0xC0))) // makerFeeAmount\n mstore(add(dataAreaEnd, 0xE0), mload(add(sourceOffset, 0xE0))) // takerFeeAmount\n mstore(add(dataAreaEnd, 0x100), mload(add(sourceOffset, 0x100))) // expirationTimeSeconds\n mstore(add(dataAreaEnd, 0x120), mload(add(sourceOffset, 0x120))) // salt\n mstore(add(dataAreaEnd, 0x140), mload(add(sourceOffset, 0x140))) // Offset to makerAssetData\n mstore(add(dataAreaEnd, 0x160), mload(add(sourceOffset, 0x160))) // Offset to takerAssetData\n dataAreaEnd := add(dataAreaEnd, 0x180)\n sourceOffset := add(sourceOffset, 0x180)\n\n // Write offset to \n mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x140)) // makerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Write offset to \n mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x160)) // takerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n /////// Write takerAssetFillAmount ///////\n mstore(paramsAreaOffset, takerAssetFillAmount)\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n /////// Write signature ///////\n // Write offset to paramsArea\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n\n // Calculate length of signature\n sourceOffset := signature\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of signature\n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of signature\n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Set length of calldata\n mstore(fillOrderCalldata, sub(dataAreaEnd, add(fillOrderCalldata, 0x20)))\n\n // Increment free memory pointer\n mstore(0x40, dataAreaEnd)\n }\n\n return fillOrderCalldata;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\n// solhint-disable max-line-length\ncontract LibConstants {\n \n // Asset data for ZRX token. Used for fee transfers.\n // @TODO: Hardcode constant when we deploy. Currently \n // not constant to make testing easier.\n\n // The proxyId for ZRX_ASSET_DATA is bytes4(keccak256(\"ERC20Token(address)\")) = 0xf47261b0\n \n // Kovan ZRX address is 0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570.\n // The ABI encoded proxyId and address is 0xf47261b00000000000000000000000006ff6c0ff1d68b964901f986d4c9fa3ac68346570\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x6f\\xf6\\xc0\\xff\\x1d\\x68\\xb9\\x64\\x90\\x1f\\x98\\x6d\\x4c\\x9f\\xa3\\xac\\x68\\x34\\x65\\x70\";\n \n // Mainnet ZRX address is 0xe41d2489571d322189246dafa5ebde1f4699f498.\n // The ABI encoded proxyId and address is 0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xe4\\x1d\\x24\\x89\\x57\\x1d\\x32\\x21\\x89\\x24\\x6d\\xaf\\xa5\\xeb\\xde\\x1f\\x46\\x99\\xf4\\x98\";\n \n // solhint-disable-next-line var-name-mixedcase\n bytes public ZRX_ASSET_DATA;\n\n // @TODO: Remove when we deploy.\n constructor (bytes memory zrxAssetData)\n public\n {\n ZRX_ASSET_DATA = zrxAssetData;\n }\n}\n// solhint-enable max-line-length\n", + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract LibEIP712 {\n\n // EIP191 header for EIP712 prefix\n string constant internal EIP191_HEADER = \"\\x19\\x01\";\n\n // EIP712 Domain Name value\n string constant internal EIP712_DOMAIN_NAME = \"0x Protocol\";\n\n // EIP712 Domain Version value\n string constant internal EIP712_DOMAIN_VERSION = \"2\";\n\n // Hash of the EIP712 Domain Separator Schema\n bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"EIP712Domain(\",\n \"string name,\",\n \"string version,\",\n \"address verifyingContract\",\n \")\"\n ));\n\n // Hash of the EIP712 Domain Separator data\n // solhint-disable-next-line var-name-mixedcase\n bytes32 public EIP712_DOMAIN_HASH;\n\n constructor ()\n public\n {\n EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(\n EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,\n keccak256(bytes(EIP712_DOMAIN_NAME)),\n keccak256(bytes(EIP712_DOMAIN_VERSION)),\n bytes32(address(this))\n ));\n }\n\n /// @dev Calculates EIP712 encoding for a hash struct in this EIP712 Domain.\n /// @param hashStruct The EIP712 hash struct.\n /// @return EIP712 hash applied to this EIP712 Domain.\n function hashEIP712Message(bytes32 hashStruct)\n internal\n view\n returns (bytes32 result)\n {\n bytes32 eip712DomainHash = EIP712_DOMAIN_HASH;\n\n // Assembly for more efficient computing:\n // keccak256(abi.encodePacked(\n // EIP191_HEADER,\n // EIP712_DOMAIN_HASH,\n // hashStruct \n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, 0x1901000000000000000000000000000000000000000000000000000000000000) // EIP191 header\n mstore(add(memPtr, 2), eip712DomainHash) // EIP712 domain hash\n mstore(add(memPtr, 34), hashStruct) // Hash of struct\n\n // Compute hash\n result := keccak256(memPtr, 66)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity 0.4.24;\n\n\n/// @dev This contract documents the revert reasons used in the Exchange contract.\n/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons.\ncontract LibExchangeErrors {\n\n /// Order validation errors ///\n string constant ORDER_UNFILLABLE = \"ORDER_UNFILLABLE\"; // Order cannot be filled.\n string constant INVALID_MAKER = \"INVALID_MAKER\"; // Invalid makerAddress.\n string constant INVALID_TAKER = \"INVALID_TAKER\"; // Invalid takerAddress.\n string constant INVALID_SENDER = \"INVALID_SENDER\"; // Invalid `msg.sender`.\n string constant INVALID_ORDER_SIGNATURE = \"INVALID_ORDER_SIGNATURE\"; // Signature validation failed. \n \n /// fillOrder validation errors ///\n string constant INVALID_TAKER_AMOUNT = \"INVALID_TAKER_AMOUNT\"; // takerAssetFillAmount cannot equal 0.\n string constant ROUNDING_ERROR = \"ROUNDING_ERROR\"; // Rounding error greater than 0.1% of takerAssetFillAmount. \n \n /// Signature validation errors ///\n string constant INVALID_SIGNATURE = \"INVALID_SIGNATURE\"; // Signature validation failed. \n string constant SIGNATURE_ILLEGAL = \"SIGNATURE_ILLEGAL\"; // Signature type is illegal.\n string constant SIGNATURE_UNSUPPORTED = \"SIGNATURE_UNSUPPORTED\"; // Signature type unsupported.\n \n /// cancelOrdersUptTo errors ///\n string constant INVALID_NEW_ORDER_EPOCH = \"INVALID_NEW_ORDER_EPOCH\"; // Specified salt must be greater than or equal to existing orderEpoch.\n\n /// fillOrKillOrder errors ///\n string constant COMPLETE_FILL_FAILED = \"COMPLETE_FILL_FAILED\"; // Desired takerAssetFillAmount could not be completely filled. \n\n /// matchOrders errors ///\n string constant NEGATIVE_SPREAD_REQUIRED = \"NEGATIVE_SPREAD_REQUIRED\"; // Matched orders must have a negative spread.\n\n /// Transaction errors ///\n string constant REENTRANCY_ILLEGAL = \"REENTRANCY_ILLEGAL\"; // Recursive reentrancy is not allowed. \n string constant INVALID_TX_HASH = \"INVALID_TX_HASH\"; // Transaction has already been executed. \n string constant INVALID_TX_SIGNATURE = \"INVALID_TX_SIGNATURE\"; // Signature validation failed. \n string constant FAILED_EXECUTION = \"FAILED_EXECUTION\"; // Transaction execution failed. \n \n /// registerAssetProxy errors ///\n string constant ASSET_PROXY_ALREADY_EXISTS = \"ASSET_PROXY_ALREADY_EXISTS\"; // AssetProxy with same id already exists.\n\n /// dispatchTransferFrom errors ///\n string constant ASSET_PROXY_DOES_NOT_EXIST = \"ASSET_PROXY_DOES_NOT_EXIST\"; // No assetProxy registered at given id.\n string constant TRANSFER_FAILED = \"TRANSFER_FAILED\"; // Asset transfer unsuccesful.\n\n /// Length validation errors ///\n string constant LENGTH_GREATER_THAN_0_REQUIRED = \"LENGTH_GREATER_THAN_0_REQUIRED\"; // Byte array must have a length greater than 0.\n string constant LENGTH_GREATER_THAN_3_REQUIRED = \"LENGTH_GREATER_THAN_3_REQUIRED\"; // Byte array must have a length greater than 3.\n string constant LENGTH_0_REQUIRED = \"LENGTH_0_REQUIRED\"; // Byte array must have a length of 0.\n string constant LENGTH_65_REQUIRED = \"LENGTH_65_REQUIRED\"; // Byte array must have a length of 65.\n}\n", + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibFillResults is\n SafeMath\n{\n struct FillResults {\n uint256 makerAssetFilledAmount; // Total amount of makerAsset(s) filled.\n uint256 takerAssetFilledAmount; // Total amount of takerAsset(s) filled.\n uint256 makerFeePaid; // Total amount of ZRX paid by maker(s) to feeRecipient(s).\n uint256 takerFeePaid; // Total amount of ZRX paid by taker to feeRecipients(s).\n }\n\n struct MatchedFillResults {\n FillResults left; // Amounts filled and fees paid of left order.\n FillResults right; // Amounts filled and fees paid of right order.\n uint256 leftMakerAssetSpreadAmount; // Spread between price of left and right order, denominated in the left order's makerAsset, paid to taker.\n }\n\n /// @dev Adds properties of both FillResults instances.\n /// Modifies the first FillResults instance specified.\n /// @param totalFillResults Fill results instance that will be added onto.\n /// @param singleFillResults Fill results instance that will be added to totalFillResults.\n function addFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)\n internal\n pure\n {\n totalFillResults.makerAssetFilledAmount = safeAdd(totalFillResults.makerAssetFilledAmount, singleFillResults.makerAssetFilledAmount);\n totalFillResults.takerAssetFilledAmount = safeAdd(totalFillResults.takerAssetFilledAmount, singleFillResults.takerAssetFilledAmount);\n totalFillResults.makerFeePaid = safeAdd(totalFillResults.makerFeePaid, singleFillResults.makerFeePaid);\n totalFillResults.takerFeePaid = safeAdd(totalFillResults.takerFeePaid, singleFillResults.takerFeePaid);\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibMath.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibMath is\n SafeMath\n{\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function safeGetPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorFloor(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function safeGetPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorCeil(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function getPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function getPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // The absolute rounding error is the difference between the rounded\n // value and the ideal value. The relative rounding error is the\n // absolute rounding error divided by the absolute value of the\n // ideal value. This is undefined when the ideal value is zero.\n //\n // The ideal value is `numerator * target / denominator`.\n // Let's call `numerator * target % denominator` the remainder.\n // The absolute error is `remainder / denominator`.\n //\n // When the ideal value is zero, we require the absolute error to\n // be zero. Fortunately, this is always the case. The ideal value is\n // zero iff `numerator == 0` and/or `target == 0`. In this case the\n // remainder and absolute error are also zero. \n if (target == 0 || numerator == 0) {\n return false;\n }\n \n // Otherwise, we want the relative rounding error to be strictly\n // less than 0.1%.\n // The relative error is `remainder / (numerator * target)`.\n // We want the relative error less than 1 / 1000:\n // remainder / (numerator * denominator) < 1 / 1000\n // or equivalently:\n // 1000 * remainder < numerator * target\n // so we have a rounding error iff:\n // 1000 * remainder >= numerator * target\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding up.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // See the comments in `isRoundingError`.\n if (target == 0 || numerator == 0) {\n // When either is zero, the ideal value and rounded value are zero\n // and there is no rounding error. (Although the relative error\n // is undefined.)\n return false;\n }\n // Compute remainder as before\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n remainder = safeSub(denominator, remainder) % denominator;\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibOrder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./LibEIP712.sol\";\n\n\ncontract LibOrder is\n LibEIP712\n{\n // Hash for the EIP712 Order Schema\n bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"Order(\",\n \"address makerAddress,\",\n \"address takerAddress,\",\n \"address feeRecipientAddress,\",\n \"address senderAddress,\",\n \"uint256 makerAssetAmount,\",\n \"uint256 takerAssetAmount,\",\n \"uint256 makerFee,\",\n \"uint256 takerFee,\",\n \"uint256 expirationTimeSeconds,\",\n \"uint256 salt,\",\n \"bytes makerAssetData,\",\n \"bytes takerAssetData\",\n \")\"\n ));\n\n // A valid order remains fillable until it is expired, fully filled, or cancelled.\n // An order's state is unaffected by external factors, like account balances.\n enum OrderStatus {\n INVALID, // Default value\n INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount\n INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount\n FILLABLE, // Order is fillable\n EXPIRED, // Order has already expired\n FULLY_FILLED, // Order is fully filled\n CANCELLED // Order has been cancelled\n }\n\n // solhint-disable max-line-length\n struct Order {\n address makerAddress; // Address that created the order. \n address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order. \n address feeRecipientAddress; // Address that will recieve fees when order is filled. \n address senderAddress; // Address that is allowed to call Exchange contract methods that affect this order. If set to 0, any address is allowed to call these methods.\n uint256 makerAssetAmount; // Amount of makerAsset being offered by maker. Must be greater than 0. \n uint256 takerAssetAmount; // Amount of takerAsset being bid on by maker. Must be greater than 0. \n uint256 makerFee; // Amount of ZRX paid to feeRecipient by maker when order is filled. If set to 0, no transfer of ZRX from maker to feeRecipient will be attempted.\n uint256 takerFee; // Amount of ZRX paid to feeRecipient by taker when order is filled. If set to 0, no transfer of ZRX from taker to feeRecipient will be attempted.\n uint256 expirationTimeSeconds; // Timestamp in seconds at which order expires. \n uint256 salt; // Arbitrary number to facilitate uniqueness of the order's hash. \n bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.\n bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.\n }\n // solhint-enable max-line-length\n\n struct OrderInfo {\n uint8 orderStatus; // Status that describes order's validity and fillability.\n bytes32 orderHash; // EIP712 hash of the order (see LibOrder.getOrderHash).\n uint256 orderTakerAssetFilledAmount; // Amount of order that has already been filled.\n }\n\n /// @dev Calculates Keccak-256 hash of the order.\n /// @param order The order structure.\n /// @return Keccak-256 EIP712 hash of the order.\n function getOrderHash(Order memory order)\n internal\n view\n returns (bytes32 orderHash)\n {\n orderHash = hashEIP712Message(hashOrder(order));\n return orderHash;\n }\n\n /// @dev Calculates EIP712 hash of the order.\n /// @param order The order structure.\n /// @return EIP712 hash of the order.\n function hashOrder(Order memory order)\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ORDER_SCHEMA_HASH;\n bytes32 makerAssetDataHash = keccak256(order.makerAssetData);\n bytes32 takerAssetDataHash = keccak256(order.takerAssetData);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ORDER_SCHEMA_HASH,\n // bytes32(order.makerAddress),\n // bytes32(order.takerAddress),\n // bytes32(order.feeRecipientAddress),\n // bytes32(order.senderAddress),\n // order.makerAssetAmount,\n // order.takerAssetAmount,\n // order.makerFee,\n // order.takerFee,\n // order.expirationTimeSeconds,\n // order.salt,\n // keccak256(order.makerAssetData),\n // keccak256(order.takerAssetData)\n // ));\n\n assembly {\n // Calculate memory addresses that will be swapped out before hashing\n let pos1 := sub(order, 32)\n let pos2 := add(order, 320)\n let pos3 := add(order, 352)\n\n // Backup\n let temp1 := mload(pos1)\n let temp2 := mload(pos2)\n let temp3 := mload(pos3)\n \n // Hash in place\n mstore(pos1, schemaHash)\n mstore(pos2, makerAssetDataHash)\n mstore(pos3, takerAssetDataHash)\n result := keccak256(pos1, 416)\n \n // Restore\n mstore(pos1, temp1)\n mstore(pos2, temp2)\n mstore(pos3, temp3)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssetProxyDispatcher.sol\";\n\n\ncontract MAssetProxyDispatcher is\n IAssetProxyDispatcher\n{\n // Logs registration of new asset proxy\n event AssetProxyRegistered(\n bytes4 id, // Id of new registered AssetProxy.\n address assetProxy // Address of new registered AssetProxy.\n );\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IExchangeCore.sol\";\n\n\ncontract MExchangeCore is\n IExchangeCore\n{\n // Fill event is emitted whenever an order is filled.\n event Fill(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that received fees.\n address takerAddress, // Address that filled the order.\n address senderAddress, // Address that called the Exchange contract (msg.sender).\n uint256 makerAssetFilledAmount, // Amount of makerAsset sold by maker and bought by taker. \n uint256 takerAssetFilledAmount, // Amount of takerAsset sold by taker and bought by maker.\n uint256 makerFeePaid, // Amount of ZRX paid to feeRecipient by maker.\n uint256 takerFeePaid, // Amount of ZRX paid to feeRecipient by taker.\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // Cancel event is emitted whenever an individual order is cancelled.\n event Cancel(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that would have recieved fees if order was filled. \n address senderAddress, // Address that called the Exchange contract (msg.sender).\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // CancelUpTo event is emitted whenever `cancelOrdersUpTo` is executed succesfully.\n event CancelUpTo(\n address indexed makerAddress, // Orders cancelled must have been created by this address.\n address indexed senderAddress, // Orders cancelled must have a `senderAddress` equal to this address.\n uint256 orderEpoch // Orders with specified makerAddress and senderAddress with a salt less than this value are considered cancelled.\n );\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrderInternal(LibOrder.Order memory order)\n internal;\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function updateFilledState(\n LibOrder.Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n LibFillResults.FillResults memory fillResults\n )\n internal;\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n LibOrder.Order memory order,\n bytes32 orderHash\n )\n internal;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo Status, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view;\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo\n )\n internal\n view;\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n LibOrder.Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.FillResults memory fillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IMatchOrders.sol\";\n\n\ncontract MMatchOrders is\n IMatchOrders\n{\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure;\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/ISignatureValidator.sol\";\n\n\ncontract MSignatureValidator is\n ISignatureValidator\n{\n event SignatureValidatorApproval(\n address indexed signerAddress, // Address that approves or disapproves a contract to verify signatures.\n address indexed validatorAddress, // Address of signature validator contract.\n bool approved // Approval or disapproval of validator contract.\n );\n\n // Allowed signature types.\n enum SignatureType {\n Illegal, // 0x00, default value\n Invalid, // 0x01\n EIP712, // 0x02\n EthSign, // 0x03\n Wallet, // 0x04\n Validator, // 0x05\n PreSigned, // 0x06\n NSignatureTypes // 0x07, number of signature types. Always leave at end.\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"../interfaces/ITransactions.sol\";\n\n\ncontract MTransactions is\n ITransactions\n{\n // Hash for the EIP712 ZeroEx Transaction Schema\n bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"ZeroExTransaction(\",\n \"uint256 salt,\",\n \"address signerAddress,\",\n \"bytes data\",\n \")\"\n ));\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result);\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address);\n}\n", + "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IWrapperFunctions.sol\";\n\n\ncontract MWrapperFunctions is \n IWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n}\n", + "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/MintableERC20Token.sol\";\n\n\ncontract DummyERC20Token is \n Ownable,\n MintableERC20Token\n{\n string public name;\n string public symbol;\n uint256 public decimals;\n uint256 public constant MAX_MINT_AMOUNT = 10000000000000000000000;\n\n constructor (\n string _name,\n string _symbol,\n uint256 _decimals,\n uint256 _totalSupply\n )\n public\n {\n name = _name;\n symbol = _symbol;\n decimals = _decimals;\n _totalSupply = _totalSupply;\n balances[msg.sender] = _totalSupply;\n }\n\n /// @dev Sets the balance of target address\n /// @param _target Address or which balance will be updated\n /// @param _value New balance of target address\n function setBalance(address _target, uint256 _value)\n external\n onlyOwner\n {\n uint256 currBalance = balances[_target];\n if (_value < currBalance) {\n _totalSupply = safeSub(_totalSupply, safeSub(currBalance, _value));\n } else {\n _totalSupply = safeAdd(_totalSupply, safeSub(_value, currBalance));\n }\n balances[_target] = _value;\n }\n\n /// @dev Mints new tokens for sender\n /// @param _value Amount of tokens to mint\n function mint(uint256 _value)\n external\n {\n require(\n _value <= MAX_MINT_AMOUNT,\n \"VALUE_TOO_LARGE\"\n );\n\n _mint(msg.sender, _value);\n }\n}\n", + "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../tokens/ERC721Token/MintableERC721Token.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract DummyERC721Token is\n Ownable,\n MintableERC721Token\n{\n string public name;\n string public symbol;\n\n constructor (\n string _name,\n string _symbol\n )\n public\n {\n name = _name;\n symbol = _symbol;\n }\n\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function mint(address _to, uint256 _tokenId)\n external\n {\n _mint(_to, _tokenId);\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist or not called by contract owner\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function burn(address _owner, uint256 _tokenId)\n external\n onlyOwner\n {\n _burn(_owner, _tokenId);\n }\n}\n", + "2.0.0/tokens/ERC20Token/ERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC20Token.sol\";\n\n\ncontract ERC20Token is\n IERC20Token\n{\n mapping (address => uint256) internal balances;\n mapping (address => mapping (address => uint256)) internal allowed;\n\n uint256 internal _totalSupply;\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool)\n {\n require(\n balances[msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[msg.sender] -= _value;\n balances[_to] += _value;\n\n emit Transfer(\n msg.sender,\n _to,\n _value\n );\n\n return true;\n }\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowed[_from][msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n allowed[_from][msg.sender] -= _value;\n \n emit Transfer(\n _from,\n _to,\n _value\n );\n \n return true;\n }\n\n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool)\n {\n allowed[msg.sender][_spender] = _value;\n emit Approval(\n msg.sender,\n _spender,\n _value\n );\n return true;\n }\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256)\n {\n return _totalSupply;\n }\n\n /// @dev Query the balance of owner\n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n return balances[_owner];\n }\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256)\n {\n return allowed[_owner][_spender];\n }\n}\n", + "2.0.0/tokens/ERC20Token/IERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n \n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n \n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", + "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/SafeMath/SafeMath.sol\";\nimport \"./UnlimitedAllowanceERC20Token.sol\";\n\n\ncontract MintableERC20Token is \n SafeMath,\n UnlimitedAllowanceERC20Token\n{\n /// @dev Mints new tokens\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _value Amount of tokens to mint\n function _mint(address _to, uint256 _value)\n internal\n {\n balances[_to] = safeAdd(_value, balances[_to]);\n _totalSupply = safeAdd(_totalSupply, _value);\n\n emit Transfer(\n address(0),\n _to,\n _value\n );\n }\n\n /// @dev Mints new tokens\n /// @param _owner Owner of tokens that will be burned\n /// @param _value Amount of tokens to burn\n function _burn(address _owner, uint256 _value)\n internal\n {\n balances[_owner] = safeSub(balances[_owner], _value);\n _totalSupply = safeSub(_totalSupply, _value);\n\n emit Transfer(\n _owner,\n address(0),\n _value\n );\n }\n}\n", + "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/ERC20Token.sol\";\n\n\ncontract UnlimitedAllowanceERC20Token is\n ERC20Token\n{\n uint256 constant internal MAX_UINT = 2**256 - 1;\n\n /// @dev ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited allowance. See https://github.com/ethereum/EIPs/issues/717\n /// @param _from Address to transfer from.\n /// @param _to Address to transfer to.\n /// @param _value Amount to transfer.\n /// @return Success of transfer.\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n uint256 allowance = allowed[_from][msg.sender];\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowance >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n if (allowance < MAX_UINT) {\n allowed[_from][msg.sender] -= _value;\n }\n\n emit Transfer(\n _from,\n _to,\n _value\n );\n\n return true;\n }\n}\n", + "2.0.0/tokens/ERC721Token/ERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC721Token.sol\";\nimport \"./IERC721Receiver.sol\";\nimport \"../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract ERC721Token is\n IERC721Token,\n SafeMath\n{\n // Function selector for ERC721Receiver.onERC721Received\n // 0x150b7a02\n bytes4 constant internal ERC721_RECEIVED = bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"));\n\n // Mapping of tokenId => owner\n mapping (uint256 => address) internal owners;\n\n // Mapping of tokenId => approved address\n mapping (uint256 => address) internal approvals;\n\n // Mapping of owner => number of tokens owned\n mapping (address => uint256) internal balances;\n\n // Mapping of owner => operator => approved\n mapping (address => mapping (address => bool)) internal operatorApprovals;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n _data\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n \"\"\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external\n {\n address owner = ownerOf(_tokenId);\n require(\n msg.sender == owner || isApprovedForAll(owner, msg.sender),\n \"ERC721_INVALID_SENDER\"\n );\n\n approvals[_tokenId] = _approved;\n emit Approval(\n owner,\n _approved,\n _tokenId\n );\n }\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external\n {\n operatorApprovals[msg.sender][_operator] = _approved;\n emit ApprovalForAll(\n msg.sender,\n _operator,\n _approved\n );\n }\n \n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return balances[_owner];\n }\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = ownerOf(_tokenId);\n require(\n _from == owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n address spender = msg.sender;\n address approvedAddress = getApproved(_tokenId);\n require(\n spender == owner ||\n isApprovedForAll(owner, spender) ||\n approvedAddress == spender,\n \"ERC721_INVALID_SPENDER\"\n );\n\n if (approvedAddress != address(0)) {\n approvals[_tokenId] = address(0);\n }\n\n owners[_tokenId] = _to;\n balances[_from] = safeSub(balances[_from], 1);\n balances[_to] = safeAdd(balances[_to], 1);\n \n emit Transfer(\n _from,\n _to,\n _tokenId\n );\n }\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address)\n {\n address owner = owners[_tokenId];\n require(\n owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return owner;\n }\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId)\n public\n view\n returns (address)\n {\n return approvals[_tokenId];\n }\n\n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool)\n {\n return operatorApprovals[_owner][_operator];\n }\n}\n", + "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Receiver {\n\n /// @notice Handle the receipt of an NFT\n /// @dev The ERC721 smart contract calls this function on the recipient\n /// after a `transfer`. This function MAY throw to revert and reject the\n /// transfer. Return of other than the magic value MUST result in the\n /// transaction being reverted.\n /// Note: the contract address is always the message sender.\n /// @param _operator The address which called `safeTransferFrom` function\n /// @param _from The address which previously owned the token\n /// @param _tokenId The NFT identifier which is being transferred\n /// @param _data Additional data with no specified format\n /// @return `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`\n /// unless throwing\n function onERC721Received(\n address _operator,\n address _from,\n uint256 _tokenId,\n bytes _data\n )\n external\n returns (bytes4);\n}\n", + "2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Token {\n\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(\n address indexed _owner,\n address indexed _approved,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(\n address indexed _owner,\n address indexed _operator,\n bool _approved\n );\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// perator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external;\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public;\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address);\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) \n public\n view\n returns (address);\n \n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool);\n}\n", + "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./ERC721Token.sol\";\n\n\ncontract MintableERC721Token is\n ERC721Token\n{\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function _mint(address _to, uint256 _tokenId)\n internal\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == address(0),\n \"ERC721_OWNER_ALREADY_EXISTS\"\n );\n\n owners[_tokenId] = _to;\n balances[_to] = safeAdd(balances[_to], 1);\n\n emit Transfer(\n address(0),\n _to,\n _tokenId\n );\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function _burn(address _owner, uint256 _tokenId)\n internal\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == _owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n owners[_tokenId] = address(0);\n balances[_owner] = safeSub(balances[_owner], 1);\n\n emit Transfer(\n _owner,\n address(0),\n _tokenId\n );\n }\n}\n", + "2.0.0/tokens/EtherToken/IEtherToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/IERC20Token.sol\";\n\n\ncontract IEtherToken is\n IERC20Token\n{\n function deposit()\n public\n payable;\n \n function withdraw(uint256 amount)\n public;\n}\n", + "2.0.0/utils/LibBytes/LibBytes.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\nlibrary LibBytes {\n\n using LibBytes for bytes;\n\n /// @dev Gets the memory address for a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of byte array. This\n /// points to the header of the byte array which contains\n /// the length.\n function rawAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := input\n }\n return memoryAddress;\n }\n \n /// @dev Gets the memory address for the contents of a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of the contents of the byte array.\n function contentAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := add(input, 32)\n }\n return memoryAddress;\n }\n\n /// @dev Copies `length` bytes from memory location `source` to `dest`.\n /// @param dest memory address to copy bytes to.\n /// @param source memory address to copy bytes from.\n /// @param length number of bytes to copy.\n function memCopy(\n uint256 dest,\n uint256 source,\n uint256 length\n )\n internal\n pure\n {\n if (length < 32) {\n // Handle a partial word by reading destination and masking\n // off the bits we are interested in.\n // This correctly handles overlap, zero lengths and source == dest\n assembly {\n let mask := sub(exp(256, sub(32, length)), 1)\n let s := and(mload(source), not(mask))\n let d := and(mload(dest), mask)\n mstore(dest, or(s, d))\n }\n } else {\n // Skip the O(length) loop when source == dest.\n if (source == dest) {\n return;\n }\n\n // For large copies we copy whole words at a time. The final\n // word is aligned to the end of the range (instead of after the\n // previous) to handle partial words. So a copy will look like this:\n //\n // ####\n // ####\n // ####\n // ####\n //\n // We handle overlap in the source and destination range by\n // changing the copying direction. This prevents us from\n // overwriting parts of source that we still need to copy.\n //\n // This correctly handles source == dest\n //\n if (source > dest) {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because it\n // is easier to compare with in the loop, and these\n // are also the addresses we need for copying the\n // last bytes.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the last 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the last bytes in\n // source already due to overlap.\n let last := mload(sEnd)\n\n // Copy whole words front to back\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} lt(source, sEnd) {} {\n mstore(dest, mload(source))\n source := add(source, 32)\n dest := add(dest, 32)\n }\n \n // Write the last 32 bytes\n mstore(dEnd, last)\n }\n } else {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because those\n // are the starting points when copying a word at the end.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the first 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the first bytes in\n // source already due to overlap.\n let first := mload(source)\n\n // Copy whole words back to front\n // We use a signed comparisson here to allow dEnd to become\n // negative (happens when source and dest < 32). Valid\n // addresses in local memory will never be larger than\n // 2**255, so they can be safely re-interpreted as signed.\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} slt(dest, dEnd) {} {\n mstore(dEnd, mload(sEnd))\n sEnd := sub(sEnd, 32)\n dEnd := sub(dEnd, 32)\n }\n \n // Write the first 32 bytes\n mstore(dest, first)\n }\n }\n }\n }\n\n /// @dev Returns a slices from a byte array.\n /// @param b The byte array to take a slice from.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n function slice(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure and copy contents\n result = new bytes(to - from);\n memCopy(\n result.contentAddress(),\n b.contentAddress() + from,\n result.length\n );\n return result;\n }\n \n /// @dev Returns a slice from a byte array without preserving the input.\n /// @param b The byte array to take a slice from. Will be destroyed in the process.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n /// @dev When `from == 0`, the original array will match the slice. In other cases its state will be corrupted.\n function sliceDestructive(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure around [from, to) in-place.\n assembly {\n result := add(b, from)\n mstore(result, sub(to, from))\n }\n return result;\n }\n\n /// @dev Pops the last byte off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The byte that was popped off.\n function popLastByte(bytes memory b)\n internal\n pure\n returns (bytes1 result)\n {\n require(\n b.length > 0,\n \"GREATER_THAN_ZERO_LENGTH_REQUIRED\"\n );\n\n // Store last byte.\n result = b[b.length - 1];\n\n assembly {\n // Decrement length of byte array.\n let newLen := sub(mload(b), 1)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Pops the last 20 bytes off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The 20 byte address that was popped off.\n function popLast20Bytes(bytes memory b)\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= 20,\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Store last 20 bytes.\n result = readAddress(b, b.length - 20);\n\n assembly {\n // Subtract 20 from byte array length.\n let newLen := sub(mload(b), 20)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Tests equality of two byte arrays.\n /// @param lhs First byte array to compare.\n /// @param rhs Second byte array to compare.\n /// @return True if arrays are the same. False otherwise.\n function equals(\n bytes memory lhs,\n bytes memory rhs\n )\n internal\n pure\n returns (bool equal)\n {\n // Keccak gas cost is 30 + numWords * 6. This is a cheap way to compare.\n // We early exit on unequal lengths, but keccak would also correctly\n // handle this.\n return lhs.length == rhs.length && keccak256(lhs) == keccak256(rhs);\n }\n\n /// @dev Reads an address from a position in a byte array.\n /// @param b Byte array containing an address.\n /// @param index Index in byte array of address.\n /// @return address from byte array.\n function readAddress(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Read address from array memory\n assembly {\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 20-byte mask to obtain address\n result := and(mload(add(b, index)), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n return result;\n }\n\n /// @dev Writes an address into a specific position in a byte array.\n /// @param b Byte array to insert address into.\n /// @param index Index in byte array of address.\n /// @param input Address to put into byte array.\n function writeAddress(\n bytes memory b,\n uint256 index,\n address input\n )\n internal\n pure\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Store address into array memory\n assembly {\n // The address occupies 20 bytes and mstore stores 32 bytes.\n // First fetch the 32-byte word where we'll be storing the address, then\n // apply a mask so we have only the bytes in the word that the address will not occupy.\n // Then combine these bytes with the address and store the 32 bytes back to memory with mstore.\n\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 12-byte mask to obtain extra bytes occupying word of memory where we'll store the address\n let neighbors := and(\n mload(add(b, index)),\n 0xffffffffffffffffffffffff0000000000000000000000000000000000000000\n )\n \n // Make sure input address is clean.\n // (Solidity does not guarantee this)\n input := and(input, 0xffffffffffffffffffffffffffffffffffffffff)\n\n // Store the neighbors and address into memory\n mstore(add(b, index), xor(input, neighbors))\n }\n }\n\n /// @dev Reads a bytes32 value from a position in a byte array.\n /// @param b Byte array containing a bytes32 value.\n /// @param index Index in byte array of bytes32 value.\n /// @return bytes32 value from byte array.\n function readBytes32(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes32 result)\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n result := mload(add(b, index))\n }\n return result;\n }\n\n /// @dev Writes a bytes32 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes32 to put into byte array.\n function writeBytes32(\n bytes memory b,\n uint256 index,\n bytes32 input\n )\n internal\n pure\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n mstore(add(b, index), input)\n }\n }\n\n /// @dev Reads a uint256 value from a position in a byte array.\n /// @param b Byte array containing a uint256 value.\n /// @param index Index in byte array of uint256 value.\n /// @return uint256 value from byte array.\n function readUint256(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (uint256 result)\n {\n result = uint256(readBytes32(b, index));\n return result;\n }\n\n /// @dev Writes a uint256 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input uint256 to put into byte array.\n function writeUint256(\n bytes memory b,\n uint256 index,\n uint256 input\n )\n internal\n pure\n {\n writeBytes32(b, index, bytes32(input));\n }\n\n /// @dev Reads an unpadded bytes4 value from a position in a byte array.\n /// @param b Byte array containing a bytes4 value.\n /// @param index Index in byte array of bytes4 value.\n /// @return bytes4 value from byte array.\n function readBytes4(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes4 result)\n {\n require(\n b.length >= index + 4,\n \"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 32 byte length field\n index += 32;\n\n // Read the bytes4 from array memory\n assembly {\n result := mload(add(b, index))\n // Solidity does not require us to clean the trailing bytes.\n // We do it anyway\n result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)\n }\n return result;\n }\n\n /// @dev Reads nested bytes from a specific position.\n /// @dev NOTE: the returned value overlaps with the input value.\n /// Both should be treated as immutable.\n /// @param b Byte array containing nested bytes.\n /// @param index Index of nested bytes.\n /// @return result Nested bytes.\n function readBytesWithLength(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes memory result)\n {\n // Read length of nested bytes\n uint256 nestedBytesLength = readUint256(b, index);\n index += 32;\n\n // Assert length of is valid, given\n // length of nested bytes\n require(\n b.length >= index + nestedBytesLength,\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n \n // Return a pointer to the byte array as it exists inside `b`\n assembly {\n result := add(b, index)\n }\n return result;\n }\n\n /// @dev Inserts bytes at a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes to insert.\n function writeBytesWithLength(\n bytes memory b,\n uint256 index,\n bytes memory input\n )\n internal\n pure\n {\n // Assert length of is valid, given\n // length of input\n require(\n b.length >= index + 32 + input.length, // 32 bytes to store length\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n\n // Copy into \n memCopy(\n b.contentAddress() + index,\n input.rawAddress(), // includes length of \n input.length + 32 // +32 bytes to store length\n );\n }\n\n /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length.\n /// @param dest Byte array that will be overwritten with source bytes.\n /// @param source Byte array to copy onto dest bytes.\n function deepCopyBytes(\n bytes memory dest,\n bytes memory source\n )\n internal\n pure\n {\n uint256 sourceLen = source.length;\n // Dest length must be >= source length, or some bytes would not be copied.\n require(\n dest.length >= sourceLen,\n \"GREATER_OR_EQUAL_TO_SOURCE_BYTES_LENGTH_REQUIRED\"\n );\n memCopy(\n dest.contentAddress(),\n source.contentAddress(),\n sourceLen\n );\n }\n}\n", + "2.0.0/utils/Ownable/IOwnable.sol": "pragma solidity 0.4.24;\n\n\ncontract IOwnable {\n\n function transferOwnership(address newOwner)\n public;\n}\n", + "2.0.0/utils/Ownable/Ownable.sol": "pragma solidity 0.4.24;\n\nimport \"./IOwnable.sol\";\n\n\ncontract Ownable is\n IOwnable\n{\n address public owner;\n\n constructor ()\n public\n {\n owner = msg.sender;\n }\n\n modifier onlyOwner() {\n require(\n msg.sender == owner,\n \"ONLY_CONTRACT_OWNER\"\n );\n _;\n }\n\n function transferOwnership(address newOwner)\n public\n onlyOwner\n {\n if (newOwner != address(0)) {\n owner = newOwner;\n }\n }\n}\n", + "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ReentrancyGuard {\n\n // Locked state of mutex\n bool private locked = false;\n\n /// @dev Functions with this modifer cannot be reentered. The mutex will be locked\n /// before function execution and unlocked after.\n modifier nonReentrant() {\n // Ensure mutex is unlocked\n require(\n !locked,\n \"REENTRANCY_ILLEGAL\"\n );\n\n // Lock mutex before function call\n locked = true;\n\n // Perform function call\n _;\n\n // Unlock mutex after function call\n locked = false;\n }\n}\n", + "2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n\n function safeMul(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(\n c / a == b,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function safeDiv(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a / b;\n return c;\n }\n\n function safeSub(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n require(\n b <= a,\n \"UINT256_UNDERFLOW\"\n );\n return a - b;\n }\n\n function safeAdd(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a + b;\n require(\n c >= a,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function max64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n\n function max256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n}\n" + }, + "sourceTreeHashHex": "0xc1a03719bb35a579c3db5156280faf7fea3944100a90a5b2abe1840a4bcfea20", + "compiler": { + "name": "solc", + "version": "soljson-v0.4.24+commit.e67f0147.js", + "settings": { + "optimizer": { + "enabled": true, + "runs": 1000000 + }, + "outputSelection": { + "*": { + "*": [ + "abi", + "evm.bytecode.object", + "evm.bytecode.sourceMap", + "evm.deployedBytecode.object", + "evm.deployedBytecode.sourceMap" + ] + } + } + } + }, + "networks": { + "3": { + "address": "0xf5fa5b5fed2727a0e44ac67f6772e97977aa358b", + "links": {}, + "constructorArgs": "[[\"0x9df8137872ac09a8fee71d0da5c7539923fb9bf0\",\"0xcf34d44db312d188789f43a63d11cf2bebb4da15\",\"0x73fd50f2a6beac9cdac9fe87ef68a18edc415831\"],[\"0xb1408f4c245a23c31b98d2c626777d4c0d766caa\",\"0xe654aac058bfbf9f83fcaee7793311dd82f6ddb4\"],\"1\",\"0\"]" + }, + "42": { + "address": "0x2c824d2882baa668e0d5202b1e7f2922278703f8", + "links": {}, + "constructorArgs": "[[\"0x9df8137872ac09a8fee71d0da5c7539923fb9bf0\",\"0xcf34d44db312d188789f43a63d11cf2bebb4da15\",\"0x73fd50f2a6beac9cdac9fe87ef68a18edc415831\"],[\"0xf1ec01d6236d3cd881a0bf0130ea25fe4234003e\",\"0x2a9127c745688a165106c11cd4d647d2220af821\"],\"1\",\"0\"]" + }, + "50": { + "address": "0x34d402f14d58e001d8efbe6585051bf9706aa064", + "links": {}, + "constructorArgs": "[[\"0x9df8137872ac09a8fee71d0da5c7539923fb9bf0\",\"0xcf34d44db312d188789f43a63d11cf2bebb4da15\",\"0x73fd50f2a6beac9cdac9fe87ef68a18edc415831\"],[\"0x1dc4c1cefef38a777b15aa20260a54e584b16c48\",\"0x1d7022f5b17d2f8b695918fb48fa1089c9f85401\"],\"1\",\"0\"]" + } + } +} diff --git a/packages/migrations/artifacts/2.0.0-testnet/DummyERC20Token.json b/packages/migrations/artifacts/2.0.0-testnet/DummyERC20Token.json new file mode 100644 index 000000000..e0c5eb5dd --- /dev/null +++ b/packages/migrations/artifacts/2.0.0-testnet/DummyERC20Token.json @@ -0,0 +1,641 @@ +{ + "schemaVersion": "2.0.0", + "contractName": "DummyERC20Token", + "compilerOutput": { + "abi": [ + { + "constant": true, + "inputs": [], + "name": "name", + "outputs": [ + { + "name": "", + "type": "string" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_spender", + "type": "address" + }, + { + "name": "_value", + "type": "uint256" + } + ], + "name": "approve", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "totalSupply", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_from", + "type": "address" + }, + { + "name": "_to", + "type": "address" + }, + { + "name": "_value", + "type": "uint256" + } + ], + "name": "transferFrom", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "decimals", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "_owner", + "type": "address" + } + ], + "name": "balanceOf", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "owner", + "outputs": [ + { + "name": "", + "type": "address" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "symbol", + "outputs": [ + { + "name": "", + "type": "string" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_value", + "type": "uint256" + } + ], + "name": "mint", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_to", + "type": "address" + }, + { + "name": "_value", + "type": "uint256" + } + ], + "name": "transfer", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "_owner", + "type": "address" + }, + { + "name": "_spender", + "type": "address" + } + ], + "name": "allowance", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_target", + "type": "address" + }, + { + "name": "_value", + "type": "uint256" + } + ], + "name": "setBalance", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "newOwner", + "type": "address" + } + ], + "name": "transferOwnership", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "MAX_MINT_AMOUNT", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "inputs": [ + { + "name": "_name", + "type": "string" + }, + { + "name": "_symbol", + "type": "string" + }, + { + "name": "_decimals", + "type": "uint256" + }, + { + "name": "_totalSupply", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "constructor" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "_from", + "type": "address" + }, + { + "indexed": true, + "name": "_to", + "type": "address" + }, + { + "indexed": false, + "name": "_value", + "type": "uint256" + } + ], + "name": "Transfer", + "type": "event" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "_owner", + "type": "address" + }, + { + "indexed": true, + "name": "_spender", + "type": "address" + }, + { + "indexed": false, + "name": "_value", + "type": "uint256" + } + ], + "name": "Approval", + "type": "event" + } + ], + "evm": { + "bytecode": { + "linkReferences": {}, + "object": 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PUSH1 0x1F ADD PUSH1 0x20 SWAP1 DIV DUP2 ADD SWAP3 DUP3 PUSH1 0x1F LT PUSH2 0xDD JUMPI DUP1 MLOAD PUSH1 0xFF NOT AND DUP4 DUP1 ADD OR DUP6 SSTORE PUSH2 0x10A JUMP JUMPDEST DUP3 DUP1 ADD PUSH1 0x1 ADD DUP6 SSTORE DUP3 ISZERO PUSH2 0x10A JUMPI SWAP2 DUP3 ADD JUMPDEST DUP3 DUP2 GT ISZERO PUSH2 0x10A JUMPI DUP3 MLOAD DUP3 SSTORE SWAP2 PUSH1 0x20 ADD SWAP2 SWAP1 PUSH1 0x1 ADD SWAP1 PUSH2 0xEF JUMP JUMPDEST POP PUSH2 0x116 SWAP3 SWAP2 POP PUSH2 0x11A JUMP JUMPDEST POP SWAP1 JUMP JUMPDEST PUSH2 0x134 SWAP2 SWAP1 JUMPDEST DUP1 DUP3 GT ISZERO PUSH2 0x116 JUMPI PUSH1 0x0 DUP2 SSTORE PUSH1 0x1 ADD PUSH2 0x120 JUMP JUMPDEST SWAP1 JUMP JUMPDEST PUSH2 0xE5D DUP1 PUSH3 0x147 PUSH1 0x0 CODECOPY PUSH1 0x0 RETURN STOP PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0xCF JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x6FDDE03 DUP2 EQ PUSH2 0xD4 JUMPI DUP1 PUSH4 0x95EA7B3 EQ PUSH2 0x15E JUMPI DUP1 PUSH4 0x18160DDD EQ PUSH2 0x1A3 JUMPI DUP1 PUSH4 0x23B872DD EQ PUSH2 0x1CA JUMPI DUP1 PUSH4 0x313CE567 EQ PUSH2 0x201 JUMPI DUP1 PUSH4 0x70A08231 EQ PUSH2 0x216 JUMPI DUP1 PUSH4 0x8DA5CB5B EQ PUSH2 0x244 JUMPI DUP1 PUSH4 0x95D89B41 EQ PUSH2 0x282 JUMPI DUP1 PUSH4 0xA0712D68 EQ PUSH2 0x297 JUMPI DUP1 PUSH4 0xA9059CBB EQ PUSH2 0x2B1 JUMPI DUP1 PUSH4 0xDD62ED3E EQ PUSH2 0x2E2 JUMPI DUP1 PUSH4 0xE30443BC EQ PUSH2 0x316 JUMPI DUP1 PUSH4 0xF2FDE38B EQ PUSH2 0x347 JUMPI DUP1 PUSH4 0xFA9B7018 EQ PUSH2 0x375 JUMPI JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xE0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xE9 PUSH2 0x38A JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 ADD SWAP1 DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x123 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x10B JUMP JUMPDEST POP POP POP POP SWAP1 POP SWAP1 DUP2 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CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x4AF JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x20D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1B8 PUSH2 0x76B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x222 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1B8 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x771 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x250 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x259 PUSH2 0x799 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x28E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xE9 PUSH2 0x7B5 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2A3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2AF PUSH1 0x4 CALLDATALOAD PUSH2 0x82E JUMP JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2BD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x18F PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x8B4 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2EE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1B8 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0xA43 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x322 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2AF PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0xA7B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x353 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2AF PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0xB91 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x381 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1B8 PUSH2 0xC78 JUMP JUMPDEST PUSH1 0x4 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x42E JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x403 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x42E JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x411 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP DUP2 JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP1 DUP6 MSTORE SWAP1 DUP4 MSTORE DUP2 DUP5 KECCAK256 DUP7 SWAP1 SSTORE DUP2 MLOAD DUP7 DUP2 MSTORE SWAP2 MLOAD SWAP4 SWAP5 SWAP1 SWAP4 SWAP1 SWAP3 PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 SWAP3 DUP3 SWAP1 SUB ADD SWAP1 LOG3 POP PUSH1 0x1 SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x3 SLOAD SWAP1 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP5 MSTORE DUP3 MSTORE DUP1 DUP4 KECCAK256 SLOAD SWAP4 DUP4 MSTORE PUSH1 0x1 SWAP1 SWAP2 MSTORE DUP2 KECCAK256 SLOAD SWAP1 SWAP2 SWAP1 DUP4 GT ISZERO PUSH2 0x55C JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1A PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x45524332305F494E53554646494349454E545F42414C414E4345000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST DUP3 DUP2 LT ISZERO PUSH2 0x5CB JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1C PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x45524332305F494E53554646494349454E545F414C4C4F57414E434500000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP4 DUP2 ADD LT ISZERO PUSH2 0x661 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP6 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD DUP8 ADD SWAP1 SSTORE SWAP2 DUP8 AND DUP2 MSTORE KECCAK256 DUP1 SLOAD DUP5 SWAP1 SUB SWAP1 SSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 LT ISZERO PUSH2 0x6FB JUMPI PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP6 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP5 MSTORE SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 DUP1 SLOAD DUP5 SWAP1 SUB SWAP1 SSTORE JUMPDEST DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF DUP6 PUSH1 0x40 MLOAD DUP1 DUP3 DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 POP PUSH1 0x1 SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x6 SLOAD DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD SWAP1 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x5 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x42E JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x403 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x42E JUMP JUMPDEST PUSH10 0x21E19E0C9BAB2400000 DUP2 GT ISZERO PUSH2 0x8A7 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0xF PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x56414C55455F544F4F5F4C415247450000000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH2 0x8B1 CALLER DUP3 PUSH2 0xC86 JUMP JUMPDEST POP JUMP JUMPDEST CALLER PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 SLOAD DUP3 GT ISZERO PUSH2 0x932 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1A PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x45524332305F494E53554646494349454E545F42414C414E4345000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP3 DUP2 ADD LT ISZERO PUSH2 0x9C8 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 DUP1 SLOAD DUP8 SWAP1 SUB SWAP1 SSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP1 DUP5 MSTORE SWAP3 DUP2 SWAP1 KECCAK256 DUP1 SLOAD DUP8 ADD SWAP1 SSTORE DUP1 MLOAD DUP7 DUP2 MSTORE SWAP1 MLOAD SWAP3 SWAP4 SWAP3 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP3 SWAP2 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP PUSH1 0x1 SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP2 DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP4 SWAP1 SWAP5 AND DUP3 MSTORE SWAP2 SWAP1 SWAP2 MSTORE KECCAK256 SLOAD SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xB02 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP1 DUP3 LT ISZERO PUSH2 0xB4E JUMPI PUSH2 0xB46 PUSH1 0x3 SLOAD PUSH2 0xB41 DUP4 DUP6 PUSH2 0xD3F JUMP JUMPDEST PUSH2 0xD3F JUMP JUMPDEST PUSH1 0x3 SSTORE PUSH2 0xB67 JUMP JUMPDEST PUSH2 0xB63 PUSH1 0x3 SLOAD PUSH2 0xB5E DUP5 DUP5 PUSH2 0xD3F JUMP JUMPDEST PUSH2 0xDB6 JUMP JUMPDEST PUSH1 0x3 SSTORE JUMPDEST POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SSTORE JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xC17 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0x8B1 JUMPI PUSH1 0x0 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 SWAP1 SWAP2 AND OR SWAP1 SSTORE POP JUMP JUMPDEST PUSH10 0x21E19E0C9BAB2400000 DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH2 0xCB7 SWAP1 DUP3 SWAP1 PUSH2 0xDB6 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SSTORE PUSH1 0x3 SLOAD PUSH2 0xCEA SWAP1 DUP3 PUSH2 0xDB6 JUMP JUMPDEST PUSH1 0x3 SSTORE PUSH1 0x40 DUP1 MLOAD DUP3 DUP2 MSTORE SWAP1 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND SWAP2 PUSH1 0x0 SWAP2 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP2 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 LOG3 POP POP JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 GT ISZERO PUSH2 0xDB0 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F554E444552464C4F57000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP SWAP1 SUB SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 ADD DUP4 DUP2 LT ISZERO PUSH2 0xE2A JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST SWAP4 SWAP3 POP POP POP JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 0xbf ISZERO 0xf8 0xb1 JUMPI DIV PUSH27 0x3248E2C7BF50AD7DD5D360D0BB36A780E3BAD9229FC4BAD5D20029 ", + "sourceMap": 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+ "opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0xCF JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x6FDDE03 DUP2 EQ PUSH2 0xD4 JUMPI DUP1 PUSH4 0x95EA7B3 EQ PUSH2 0x15E JUMPI DUP1 PUSH4 0x18160DDD EQ PUSH2 0x1A3 JUMPI DUP1 PUSH4 0x23B872DD EQ PUSH2 0x1CA JUMPI DUP1 PUSH4 0x313CE567 EQ PUSH2 0x201 JUMPI DUP1 PUSH4 0x70A08231 EQ PUSH2 0x216 JUMPI DUP1 PUSH4 0x8DA5CB5B EQ PUSH2 0x244 JUMPI DUP1 PUSH4 0x95D89B41 EQ PUSH2 0x282 JUMPI DUP1 PUSH4 0xA0712D68 EQ PUSH2 0x297 JUMPI DUP1 PUSH4 0xA9059CBB EQ PUSH2 0x2B1 JUMPI DUP1 PUSH4 0xDD62ED3E EQ PUSH2 0x2E2 JUMPI DUP1 PUSH4 0xE30443BC EQ PUSH2 0x316 JUMPI DUP1 PUSH4 0xF2FDE38B EQ PUSH2 0x347 JUMPI DUP1 PUSH4 0xFA9B7018 EQ PUSH2 0x375 JUMPI JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xE0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xE9 PUSH2 0x38A JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 ADD SWAP1 DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x123 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x10B JUMP JUMPDEST POP POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x150 JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x16A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x18F PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x436 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1AF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1B8 PUSH2 0x4A9 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1D6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x18F PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x4AF JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x20D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1B8 PUSH2 0x76B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x222 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1B8 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x771 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x250 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x259 PUSH2 0x799 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x28E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xE9 PUSH2 0x7B5 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2A3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2AF PUSH1 0x4 CALLDATALOAD PUSH2 0x82E JUMP JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2BD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x18F PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x8B4 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2EE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1B8 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0xA43 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x322 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2AF PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0xA7B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x353 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2AF PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0xB91 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x381 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1B8 PUSH2 0xC78 JUMP JUMPDEST PUSH1 0x4 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x42E JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x403 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x42E JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x411 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP DUP2 JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP1 DUP6 MSTORE SWAP1 DUP4 MSTORE DUP2 DUP5 KECCAK256 DUP7 SWAP1 SSTORE DUP2 MLOAD DUP7 DUP2 MSTORE SWAP2 MLOAD SWAP4 SWAP5 SWAP1 SWAP4 SWAP1 SWAP3 PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 SWAP3 DUP3 SWAP1 SUB ADD SWAP1 LOG3 POP PUSH1 0x1 SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x3 SLOAD SWAP1 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP5 MSTORE DUP3 MSTORE DUP1 DUP4 KECCAK256 SLOAD SWAP4 DUP4 MSTORE PUSH1 0x1 SWAP1 SWAP2 MSTORE DUP2 KECCAK256 SLOAD SWAP1 SWAP2 SWAP1 DUP4 GT ISZERO PUSH2 0x55C JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1A PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x45524332305F494E53554646494349454E545F42414C414E4345000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST DUP3 DUP2 LT ISZERO PUSH2 0x5CB JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1C PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x45524332305F494E53554646494349454E545F414C4C4F57414E434500000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP4 DUP2 ADD LT ISZERO PUSH2 0x661 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP6 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD DUP8 ADD SWAP1 SSTORE SWAP2 DUP8 AND DUP2 MSTORE KECCAK256 DUP1 SLOAD DUP5 SWAP1 SUB SWAP1 SSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 LT ISZERO PUSH2 0x6FB JUMPI PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP6 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP5 MSTORE SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 DUP1 SLOAD DUP5 SWAP1 SUB SWAP1 SSTORE JUMPDEST DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF DUP6 PUSH1 0x40 MLOAD DUP1 DUP3 DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 POP PUSH1 0x1 SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x6 SLOAD DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD SWAP1 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x5 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x42E JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x403 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x42E JUMP JUMPDEST PUSH10 0x21E19E0C9BAB2400000 DUP2 GT ISZERO PUSH2 0x8A7 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0xF PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x56414C55455F544F4F5F4C415247450000000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH2 0x8B1 CALLER DUP3 PUSH2 0xC86 JUMP JUMPDEST POP JUMP JUMPDEST CALLER PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 SLOAD DUP3 GT ISZERO PUSH2 0x932 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1A PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x45524332305F494E53554646494349454E545F42414C414E4345000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP3 DUP2 ADD LT ISZERO PUSH2 0x9C8 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 DUP1 SLOAD DUP8 SWAP1 SUB SWAP1 SSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP1 DUP5 MSTORE SWAP3 DUP2 SWAP1 KECCAK256 DUP1 SLOAD DUP8 ADD SWAP1 SSTORE DUP1 MLOAD DUP7 DUP2 MSTORE SWAP1 MLOAD SWAP3 SWAP4 SWAP3 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP3 SWAP2 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP PUSH1 0x1 SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP2 DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP4 SWAP1 SWAP5 AND DUP3 MSTORE SWAP2 SWAP1 SWAP2 MSTORE KECCAK256 SLOAD SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xB02 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP1 DUP3 LT ISZERO PUSH2 0xB4E JUMPI PUSH2 0xB46 PUSH1 0x3 SLOAD PUSH2 0xB41 DUP4 DUP6 PUSH2 0xD3F JUMP JUMPDEST PUSH2 0xD3F JUMP JUMPDEST PUSH1 0x3 SSTORE PUSH2 0xB67 JUMP JUMPDEST PUSH2 0xB63 PUSH1 0x3 SLOAD PUSH2 0xB5E DUP5 DUP5 PUSH2 0xD3F JUMP JUMPDEST PUSH2 0xDB6 JUMP JUMPDEST PUSH1 0x3 SSTORE JUMPDEST POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SSTORE JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xC17 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0x8B1 JUMPI PUSH1 0x0 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 SWAP1 SWAP2 AND OR SWAP1 SSTORE POP JUMP JUMPDEST PUSH10 0x21E19E0C9BAB2400000 DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH2 0xCB7 SWAP1 DUP3 SWAP1 PUSH2 0xDB6 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SSTORE PUSH1 0x3 SLOAD PUSH2 0xCEA SWAP1 DUP3 PUSH2 0xDB6 JUMP JUMPDEST PUSH1 0x3 SSTORE PUSH1 0x40 DUP1 MLOAD DUP3 DUP2 MSTORE SWAP1 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND SWAP2 PUSH1 0x0 SWAP2 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP2 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 LOG3 POP POP JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 GT ISZERO PUSH2 0xDB0 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F554E444552464C4F57000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP SWAP1 SUB SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 ADD DUP4 DUP2 LT ISZERO PUSH2 0xE2A JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST SWAP4 SWAP3 POP POP POP JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 0xbf ISZERO 0xf8 0xb1 JUMPI DIV PUSH27 0x3248E2C7BF50AD7DD5D360D0BB36A780E3BAD9229FC4BAD5D20029 ", + "sourceMap": 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+ } + } + }, + "sources": { + "2.0.0/extensions/Forwarder/Forwarder.sol": { + "id": 0 + }, + "2.0.0/extensions/Forwarder/MixinAssets.sol": { + "id": 1 + }, + "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": { + "id": 2 + }, + "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": { + "id": 3 + }, + "2.0.0/extensions/Forwarder/MixinWeth.sol": { + "id": 4 + }, + "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": { + "id": 5 + }, + "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": { + "id": 6 + }, + "2.0.0/extensions/Forwarder/libs/LibConstants.sol": { + "id": 7 + }, + "2.0.0/extensions/Forwarder/mixins/MAssets.sol": { + "id": 8 + }, + "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": { + "id": 9 + }, + "2.0.0/extensions/Forwarder/mixins/MWeth.sol": { + "id": 10 + }, + "2.0.0/extensions/OrderValidator/OrderValidator.sol": { + "id": 11 + }, + "2.0.0/multisig/MultiSigWallet.sol": { + "id": 12 + }, + "2.0.0/multisig/MultiSigWalletWithTimeLock.sol": { + "id": 13 + }, + "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": { + "id": 14 + }, + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": { + "id": 15 + }, + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": { + "id": 16 + }, + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": { + "id": 17 + }, + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": { + "id": 18 + }, + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": { + "id": 19 + }, + "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": { + "id": 20 + }, + "2.0.0/protocol/Exchange/Exchange.sol": { + "id": 21 + }, + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": { + "id": 22 + }, + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": { + "id": 23 + }, + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": { + "id": 24 + }, + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": { + "id": 25 + }, + "2.0.0/protocol/Exchange/MixinTransactions.sol": { + "id": 26 + }, + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": { + "id": 27 + }, + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": { + "id": 28 + }, + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": { + "id": 29 + }, + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": { + "id": 30 + }, + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": { + "id": 31 + }, + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": { + "id": 32 + }, + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": { + "id": 33 + }, + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": { + "id": 34 + }, + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": { + "id": 35 + }, + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": { + "id": 36 + }, + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": { + "id": 37 + }, + "2.0.0/protocol/Exchange/libs/LibConstants.sol": { + "id": 38 + }, + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": { + "id": 39 + }, + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": { + "id": 40 + }, + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": { + "id": 41 + }, + "2.0.0/protocol/Exchange/libs/LibMath.sol": { + "id": 42 + }, + "2.0.0/protocol/Exchange/libs/LibOrder.sol": { + "id": 43 + }, + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": { + "id": 44 + }, + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": { + "id": 45 + }, + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": { + "id": 46 + }, + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": { + "id": 47 + }, + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": { + "id": 48 + }, + "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": { + "id": 49 + }, + "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": { + "id": 50 + }, + "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": { + "id": 51 + }, + "2.0.0/tokens/ERC20Token/ERC20Token.sol": { + "id": 52 + }, + "2.0.0/tokens/ERC20Token/IERC20Token.sol": { + "id": 53 + }, + "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": { + "id": 54 + }, + "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": { + "id": 55 + }, + "2.0.0/tokens/ERC721Token/ERC721Token.sol": { + "id": 56 + }, + "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": { + "id": 57 + }, + "2.0.0/tokens/ERC721Token/IERC721Token.sol": { + "id": 58 + }, + "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": { + "id": 59 + }, + "2.0.0/tokens/EtherToken/IEtherToken.sol": { + "id": 60 + }, + "2.0.0/utils/LibBytes/LibBytes.sol": { + "id": 61 + }, + "2.0.0/utils/Ownable/IOwnable.sol": { + "id": 62 + }, + "2.0.0/utils/Ownable/Ownable.sol": { + "id": 63 + }, + "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": { + "id": 64 + }, + "2.0.0/utils/SafeMath/SafeMath.sol": { + "id": 65 + } + }, + "sourceCodes": { + "2.0.0/extensions/Forwarder/Forwarder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinWeth.sol\";\nimport \"./MixinForwarderCore.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinAssets.sol\";\nimport \"./MixinExchangeWrapper.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Forwarder is\n LibConstants,\n MixinWeth,\n MixinAssets,\n MixinExchangeWrapper,\n MixinForwarderCore\n{\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n LibConstants(\n _exchange,\n _zrxAssetData,\n _wethAssetData\n )\n MixinForwarderCore()\n {}\n}\n", + "2.0.0/extensions/Forwarder/MixinAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MAssets.sol\";\n\n\ncontract MixinAssets is\n Ownable,\n LibConstants,\n MAssets\n{\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256(\"transfer(address,uint256)\"));\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external\n onlyOwner\n {\n transferAssetToSender(assetData, amount);\n }\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n bytes4 proxyId = assetData.readBytes4(0);\n\n if (proxyId == ERC20_DATA_ID) {\n transferERC20Token(assetData, amount);\n } else if (proxyId == ERC721_DATA_ID) {\n transferERC721Token(assetData, amount);\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n }\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n address token = assetData.readAddress(16);\n\n // Transfer tokens.\n // We do a raw call so we can check the success separate\n // from the return data.\n bool success = token.call(abi.encodeWithSelector(\n ERC20_TRANSFER_SELECTOR,\n msg.sender,\n amount\n ));\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n \n // Check return data.\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // value that evaluates to true.\n assembly {\n if returndatasize {\n success := 0\n if eq(returndatasize, 32) {\n // First 64 bytes of memory are reserved scratch space\n returndatacopy(0, 0, 32)\n success := mload(0)\n }\n }\n }\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n }\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n require(\n amount == 1,\n \"INVALID_AMOUNT\"\n );\n // Decode asset data.\n address token = assetData.readAddress(16);\n uint256 tokenId = assetData.readUint256(36);\n\n // Perform transfer.\n IERC721Token(token).transferFrom(\n address(this),\n msg.sender,\n tokenId\n );\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"../../protocol/Exchange/libs/LibAbiEncoder.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinExchangeWrapper is\n LibAbiEncoder,\n LibFillResults,\n LibMath,\n LibConstants,\n MExchangeWrapper\n{\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n address exchange = address(EXCHANGE);\n\n // Call `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := call(\n gas, // forward all gas\n exchange, // call address of Exchange contract\n 0, // transfer 0 wei\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of WETH to sell\n uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of WETH\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount;\n if (makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n\n require(\n makerAssetFilledAmount >= makerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n // Do nothing if zrxBuyAmount == 0\n if (zrxBuyAmount == 0) {\n return totalFillResults;\n }\n\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n uint256 zrxPurchased = 0;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // All of these are ZRX/WETH, so we can drop the respective assetData from calldata.\n orders[i].makerAssetData = zrxAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of ZRX to buy.\n uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased);\n\n // Convert the remaining amount of ZRX to buy into remaining amount\n // of WETH to sell, assuming entire amount can be sold in the current order.\n uint256 remainingWethSellAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees \n remainingZrxBuyAmount\n );\n\n // Attempt to sell the remaining amount of WETH.\n FillResults memory singleFillResult = fillOrderNoThrow(\n orders[i],\n safeAdd(remainingWethSellAmount, 1), // we add 1 wei to the fill amount to make up for rounding errors\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker.\n addFillResults(totalFillResults, singleFillResult);\n zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid);\n\n // Stop execution if the entire amount of ZRX has been bought.\n if (zrxPurchased >= zrxBuyAmount) {\n break;\n }\n }\n\n require(\n zrxPurchased >= zrxBuyAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\nimport \"./mixins/MAssets.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"./interfaces/IForwarderCore.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinForwarderCore is\n LibFillResults,\n LibMath,\n LibConstants,\n MWeth,\n MAssets,\n MExchangeWrapper,\n IForwarderCore\n{\n using LibBytes for bytes;\n\n /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf.\n constructor ()\n public\n {\n address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID);\n require(\n proxyAddress != address(0),\n \"UNREGISTERED_ASSET_PROXY\"\n );\n ETHER_TOKEN.approve(proxyAddress, MAX_UINT);\n ZRX_TOKEN.approve(proxyAddress, MAX_UINT);\n }\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 wethSellAmount;\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // Calculate amount of WETH that won't be spent on ETH fees.\n wethSellAmount = getPartialAmountFloor(\n PERCENTAGE_DENOMINATOR,\n safeAdd(PERCENTAGE_DENOMINATOR, feePercentage),\n msg.value\n );\n // Market sell available WETH.\n // ZRX fees are paid with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // 5% of WETH is reserved for filling feeOrders and paying feeRecipient.\n wethSellAmount = getPartialAmountFloor(\n MAX_WETH_FILL_PERCENTAGE,\n PERCENTAGE_DENOMINATOR,\n msg.value\n );\n // Market sell 95% of WETH.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // If the makerAsset is ZRX, it is not necessary to pay fees out of this\n // contracts's ZRX balance because fees are factored into the price of the order.\n orderFillResults = marketBuyExactZrxWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // Attemp to purchase desired amount of makerAsset.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketBuyExactAmountWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\n\n\ncontract MixinWeth is\n LibMath,\n LibConstants,\n MWeth\n{\n /// @dev Default payabale function, this allows us to withdraw WETH\n function ()\n public\n payable\n {\n require(\n msg.sender == address(ETHER_TOKEN),\n \"DEFAULT_FUNCTION_WETH_CONTRACT_ONLY\"\n );\n }\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal\n {\n require(\n msg.value > 0,\n \"INVALID_MSG_VALUE\"\n );\n ETHER_TOKEN.deposit.value(msg.value)();\n }\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal\n {\n // Ensure feePercentage is less than 5%.\n require(\n feePercentage <= MAX_FEE_PERCENTAGE,\n \"FEE_PERCENTAGE_TOO_LARGE\"\n );\n\n // Ensure that no extra WETH owned by this contract has been sold.\n uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx);\n require(\n wethSold <= msg.value,\n \"OVERSOLD_WETH\"\n );\n\n // Calculate amount of WETH that hasn't been sold.\n uint256 wethRemaining = safeSub(msg.value, wethSold);\n\n // Calculate ETH fee to pay to feeRecipient.\n uint256 ethFee = getPartialAmountFloor(\n feePercentage,\n PERCENTAGE_DENOMINATOR,\n wethSoldExcludingFeeOrders\n );\n\n // Ensure fee is less than amount of WETH remaining.\n require(\n ethFee <= wethRemaining,\n \"INSUFFICIENT_ETH_REMAINING\"\n );\n \n // Do nothing if no WETH remaining\n if (wethRemaining > 0) {\n // Convert remaining WETH to ETH\n ETHER_TOKEN.withdraw(wethRemaining);\n\n // Pay ETH to feeRecipient\n if (ethFee > 0) {\n feeRecipient.transfer(ethFee);\n }\n\n // Refund remaining ETH to msg.sender.\n uint256 ethRefund = safeSub(wethRemaining, ethFee);\n if (ethRefund > 0) {\n msg.sender.transfer(ethRefund);\n }\n }\n }\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssets {\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external;\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract IForwarderCore {\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n}\n", + "2.0.0/extensions/Forwarder/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/LibBytes/LibBytes.sol\";\nimport \"../../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../../tokens/EtherToken/IEtherToken.sol\";\nimport \"../../../tokens/ERC20Token/IERC20Token.sol\";\n\n\ncontract LibConstants {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n uint256 constant internal MAX_UINT = 2**256 - 1;\n uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; \n uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5%\n uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95%\n \n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n IEtherToken internal ETHER_TOKEN;\n IERC20Token internal ZRX_TOKEN;\n bytes internal ZRX_ASSET_DATA;\n bytes internal WETH_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n WETH_ASSET_DATA = _wethAssetData;\n\n address etherToken = _wethAssetData.readAddress(16);\n address zrxToken = _zrxAssetData.readAddress(16);\n ETHER_TOKEN = IEtherToken(etherToken);\n ZRX_TOKEN = IERC20Token(zrxToken);\n }\n}\n", + "2.0.0/extensions/Forwarder/mixins/MAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssets.sol\";\n\n\ncontract MAssets is\n IAssets\n{\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract MExchangeWrapper {\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n}\n", + "2.0.0/extensions/Forwarder/mixins/MWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract MWeth {\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal;\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal;\n}\n", + "2.0.0/extensions/OrderValidator/OrderValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract OrderValidator {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n struct TraderInfo {\n uint256 makerBalance; // Maker's balance of makerAsset\n uint256 makerAllowance; // Maker's allowance to corresponding AssetProxy\n uint256 takerBalance; // Taker's balance of takerAsset\n uint256 takerAllowance; // Taker's allowance to corresponding AssetProxy\n uint256 makerZrxBalance; // Maker's balance of ZRX\n uint256 makerZrxAllowance; // Maker's allowance of ZRX to ERC20Proxy\n uint256 takerZrxBalance; // Taker's balance of ZRX\n uint256 takerZrxAllowance; // Taker's allowance of ZRX to ERC20Proxy\n }\n\n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n bytes internal ZRX_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (address _exchange, bytes memory _zrxAssetData)\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n }\n\n /// @dev Fetches information for order and maker/taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return OrderInfo and TraderInfo instances for given order.\n function getOrderAndTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo, TraderInfo memory traderInfo)\n {\n orderInfo = EXCHANGE.getOrderInfo(order);\n traderInfo = getTraderInfo(order, takerAddress);\n return (orderInfo, traderInfo);\n }\n\n /// @dev Fetches information for all passed in orders and the makers/takers of each order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Arrays of OrderInfo and TraderInfo instances that correspond to each order.\n function getOrdersAndTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (LibOrder.OrderInfo[] memory ordersInfo, TraderInfo[] memory tradersInfo)\n {\n ordersInfo = EXCHANGE.getOrdersInfo(orders);\n tradersInfo = getTradersInfo(orders, takerAddresses);\n return (ordersInfo, tradersInfo);\n }\n\n /// @dev Fetches balance and allowances for maker and taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return Balances and allowances of maker and taker of order.\n function getTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (TraderInfo memory traderInfo)\n {\n (traderInfo.makerBalance, traderInfo.makerAllowance) = getBalanceAndAllowance(order.makerAddress, order.makerAssetData);\n (traderInfo.takerBalance, traderInfo.takerAllowance) = getBalanceAndAllowance(takerAddress, order.takerAssetData);\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n (traderInfo.makerZrxBalance, traderInfo.makerZrxAllowance) = getBalanceAndAllowance(order.makerAddress, zrxAssetData);\n (traderInfo.takerZrxBalance, traderInfo.takerZrxAllowance) = getBalanceAndAllowance(takerAddress, zrxAssetData);\n return traderInfo;\n }\n\n /// @dev Fetches balances and allowances of maker and taker for each provided order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Array of balances and allowances for maker and taker of each order.\n function getTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (TraderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n TraderInfo[] memory tradersInfo = new TraderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n tradersInfo[i] = getTraderInfo(orders[i], takerAddresses[i]);\n }\n return tradersInfo;\n }\n\n /// @dev Fetches token balances and allowances of an address to given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Encoded data that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balance of asset and allowance set to given proxy of asset.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalanceAndAllowance(address target, bytes memory assetData)\n public\n view\n returns (uint256 balance, uint256 allowance)\n {\n bytes4 assetProxyId = assetData.readBytes4(0);\n address token = assetData.readAddress(16);\n address assetProxy = EXCHANGE.getAssetProxy(assetProxyId);\n\n if (assetProxyId == ERC20_DATA_ID) {\n // Query balance\n balance = IERC20Token(token).balanceOf(target);\n\n // Query allowance\n allowance = IERC20Token(token).allowance(target, assetProxy);\n } else if (assetProxyId == ERC721_DATA_ID) {\n uint256 tokenId = assetData.readUint256(36);\n\n // Query owner of tokenId\n address owner = getERC721TokenOwner(token, tokenId);\n\n // Set balance to 1 if tokenId is owned by target\n balance = target == owner ? 1 : 0;\n\n // Check if ERC721Proxy is approved to spend tokenId\n bool isApproved = IERC721Token(token).isApprovedForAll(target, assetProxy) || IERC721Token(token).getApproved(tokenId) == assetProxy;\n \n // Set alowance to 1 if ERC721Proxy is approved to spend tokenId\n allowance = isApproved ? 1 : 0;\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n return (balance, allowance);\n }\n\n /// @dev Fetches token balances and allowances of an address for each given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Array of encoded byte arrays that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balances and allowances of assets.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalancesAndAllowances(address target, bytes[] memory assetData)\n public\n view\n returns (uint256[] memory, uint256[] memory)\n {\n uint256 length = assetData.length;\n uint256[] memory balances = new uint256[](length);\n uint256[] memory allowances = new uint256[](length);\n for (uint256 i = 0; i != length; i++) {\n (balances[i], allowances[i]) = getBalanceAndAllowance(target, assetData[i]);\n }\n return (balances, allowances);\n }\n\n /// @dev Calls `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token.\n /// @param token Address of ERC721 token.\n /// @param tokenId The identifier for the specific NFT.\n /// @return Owner of tokenId or null address if unowned.\n function getERC721TokenOwner(address token, uint256 tokenId)\n public\n view\n returns (address owner)\n {\n assembly {\n // load free memory pointer\n let cdStart := mload(64)\n\n // bytes4(keccak256(ownerOf(uint256))) = 0x6352211e\n mstore(cdStart, 0x6352211e00000000000000000000000000000000000000000000000000000000)\n mstore(add(cdStart, 4), tokenId)\n\n // staticcall `ownerOf(tokenId)`\n // `ownerOf` will revert if tokenId is not owned\n let success := staticcall(\n gas, // forward all gas\n token, // call token contract\n cdStart, // start of calldata\n 36, // length of input is 36 bytes\n cdStart, // write output over input\n 32 // size of output is 32 bytes\n )\n\n // Success implies that tokenId is owned\n // Copy owner from return data if successful\n if success {\n owner := mload(cdStart)\n } \n }\n\n // Owner initialized to address(0), no need to modify if call is unsuccessful\n return owner;\n }\n}\n", + "2.0.0/multisig/MultiSigWallet.sol": "// solhint-disable\npragma solidity ^0.4.15;\n\n\n/// @title Multisignature wallet - Allows multiple parties to agree on transactions before execution.\n/// @author Stefan George - \ncontract MultiSigWallet {\n\n /*\n * Events\n */\n event Confirmation(address indexed sender, uint indexed transactionId);\n event Revocation(address indexed sender, uint indexed transactionId);\n event Submission(uint indexed transactionId);\n event Execution(uint indexed transactionId);\n event ExecutionFailure(uint indexed transactionId);\n event Deposit(address indexed sender, uint value);\n event OwnerAddition(address indexed owner);\n event OwnerRemoval(address indexed owner);\n event RequirementChange(uint required);\n\n /*\n * Constants\n */\n uint constant public MAX_OWNER_COUNT = 50;\n\n /*\n * Storage\n */\n mapping (uint => Transaction) public transactions;\n mapping (uint => mapping (address => bool)) public confirmations;\n mapping (address => bool) public isOwner;\n address[] public owners;\n uint public required;\n uint public transactionCount;\n\n struct Transaction {\n address destination;\n uint value;\n bytes data;\n bool executed;\n }\n\n /*\n * Modifiers\n */\n modifier onlyWallet() {\n require(msg.sender == address(this));\n _;\n }\n\n modifier ownerDoesNotExist(address owner) {\n require(!isOwner[owner]);\n _;\n }\n\n modifier ownerExists(address owner) {\n require(isOwner[owner]);\n _;\n }\n\n modifier transactionExists(uint transactionId) {\n require(transactions[transactionId].destination != 0);\n _;\n }\n\n modifier confirmed(uint transactionId, address owner) {\n require(confirmations[transactionId][owner]);\n _;\n }\n\n modifier notConfirmed(uint transactionId, address owner) {\n require(!confirmations[transactionId][owner]);\n _;\n }\n\n modifier notExecuted(uint transactionId) {\n require(!transactions[transactionId].executed);\n _;\n }\n\n modifier notNull(address _address) {\n require(_address != 0);\n _;\n }\n\n modifier validRequirement(uint ownerCount, uint _required) {\n require(ownerCount <= MAX_OWNER_COUNT\n && _required <= ownerCount\n && _required != 0\n && ownerCount != 0);\n _;\n }\n\n /// @dev Fallback function allows to deposit ether.\n function()\n payable\n {\n if (msg.value > 0)\n Deposit(msg.sender, msg.value);\n }\n\n /*\n * Public functions\n */\n /// @dev Contract constructor sets initial owners and required number of confirmations.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n function MultiSigWallet(address[] _owners, uint _required)\n public\n validRequirement(_owners.length, _required)\n {\n for (uint i=0; i<_owners.length; i++) {\n require(!isOwner[_owners[i]] && _owners[i] != 0);\n isOwner[_owners[i]] = true;\n }\n owners = _owners;\n required = _required;\n }\n\n /// @dev Allows to add a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of new owner.\n function addOwner(address owner)\n public\n onlyWallet\n ownerDoesNotExist(owner)\n notNull(owner)\n validRequirement(owners.length + 1, required)\n {\n isOwner[owner] = true;\n owners.push(owner);\n OwnerAddition(owner);\n }\n\n /// @dev Allows to remove an owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner.\n function removeOwner(address owner)\n public\n onlyWallet\n ownerExists(owner)\n {\n isOwner[owner] = false;\n for (uint i=0; i owners.length)\n changeRequirement(owners.length);\n OwnerRemoval(owner);\n }\n\n /// @dev Allows to replace an owner with a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner to be replaced.\n /// @param newOwner Address of new owner.\n function replaceOwner(address owner, address newOwner)\n public\n onlyWallet\n ownerExists(owner)\n ownerDoesNotExist(newOwner)\n {\n for (uint i=0; i\n// solhint-disable not-rely-on-time\ncontract MultiSigWalletWithTimeLock is\n MultiSigWallet\n{\n event ConfirmationTimeSet(uint256 indexed transactionId, uint256 confirmationTime);\n event TimeLockChange(uint256 secondsTimeLocked);\n\n uint256 public secondsTimeLocked;\n\n mapping (uint256 => uint256) public confirmationTimes;\n\n modifier notFullyConfirmed(uint256 transactionId) {\n require(\n !isConfirmed(transactionId),\n \"TX_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier fullyConfirmed(uint256 transactionId) {\n require(\n isConfirmed(transactionId),\n \"TX_NOT_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier pastTimeLock(uint256 transactionId) {\n require(\n block.timestamp >= confirmationTimes[transactionId] + secondsTimeLocked,\n \"TIME_LOCK_INCOMPLETE\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations, and time lock.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] _owners,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWallet(_owners, _required)\n {\n secondsTimeLocked = _secondsTimeLocked;\n }\n\n /// @dev Changes the duration of the time lock for transactions.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n function changeTimeLock(uint256 _secondsTimeLocked)\n public\n onlyWallet\n {\n secondsTimeLocked = _secondsTimeLocked;\n emit TimeLockChange(_secondsTimeLocked);\n }\n\n /// @dev Allows an owner to confirm a transaction.\n /// @param transactionId Transaction ID.\n function confirmTransaction(uint256 transactionId)\n public\n ownerExists(msg.sender)\n transactionExists(transactionId)\n notConfirmed(transactionId, msg.sender)\n notFullyConfirmed(transactionId)\n {\n confirmations[transactionId][msg.sender] = true;\n emit Confirmation(msg.sender, transactionId);\n if (isConfirmed(transactionId)) {\n setConfirmationTime(transactionId, block.timestamp);\n }\n }\n\n /// @dev Allows anyone to execute a confirmed transaction.\n /// @param transactionId Transaction ID.\n function executeTransaction(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n pastTimeLock(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n\n /// @dev Sets the time of when a submission first passed.\n function setConfirmationTime(uint256 transactionId, uint256 confirmationTime)\n internal\n {\n confirmationTimes[transactionId] = confirmationTime;\n emit ConfirmationTimeSet(transactionId, confirmationTime);\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC20Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n \n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 1 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n\n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. amount |\n\n /////// Read token address from calldata ///////\n // * The token address is stored in `assetData`.\n //\n // * The \"offset to assetData\" is stored at offset 4 in the calldata (table 1).\n // [assetDataOffsetFromParams = calldataload(4)]\n //\n // * Notes that the \"offset to assetData\" is relative to the \"Params\" area of calldata;\n // add 4 bytes to account for the length of the \"Header\" area (table 1).\n // [assetDataOffsetFromHeader = assetDataOffsetFromParams + 4]\n //\n // * The \"token address\" is offset 32+4=36 bytes into \"assetData\" (tables 1 & 2).\n // [tokenOffset = assetDataOffsetFromHeader + 36 = calldataload(4) + 4 + 36]\n let token := calldataload(add(calldataload(4), 40))\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from`, `to` and `amount` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 96)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output over input\n 32 // output size should be 32 bytes\n )\n\n /////// Check return data. ///////\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // nonzero 32 bytes value.\n // So the transfer succeeded if the call succeeded and either\n // returned nothing, or returned a non-zero 32 byte value. \n success := and(success, or(\n iszero(returndatasize),\n and(\n eq(returndatasize, 32),\n gt(mload(0), 0)\n )\n ))\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC721Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 2 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n // | | 36 | | 2. tokenId |\n \n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. tokenId |\n\n // There exists only 1 of each token.\n // require(amount == 1, \"INVALID_AMOUNT\")\n if sub(calldataload(100), 1) {\n // Revert with `Error(\"INVALID_AMOUNT\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from` and `to` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 64)\n\n // Copy `tokenId` field from our own calldata to the new calldata.\n let assetDataOffset := calldataload(4)\n calldatacopy(68, add(assetDataOffset, 72), 32)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let token := calldataload(add(assetDataOffset, 40))\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output to null\n 0 // output size is 0 bytes\n )\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAuthorizable.sol\";\n\n\ncontract MixinAuthorizable is\n Ownable,\n MAuthorizable\n{\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized {\n require(\n authorized[msg.sender],\n \"SENDER_NOT_AUTHORIZED\"\n );\n _;\n }\n\n mapping (address => bool) public authorized;\n address[] public authorities;\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n !authorized[target],\n \"TARGET_ALREADY_AUTHORIZED\"\n );\n\n authorized[target] = true;\n authorities.push(target);\n emit AuthorizedAddressAdded(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n\n delete authorized[target];\n for (uint256 i = 0; i < authorities.length; i++) {\n if (authorities[i] == target) {\n authorities[i] = authorities[authorities.length - 1];\n authorities.length -= 1;\n break;\n }\n }\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n require(\n index < authorities.length,\n \"INDEX_OUT_OF_BOUNDS\"\n );\n require(\n authorities[index] == target,\n \"AUTHORIZED_ADDRESS_MISMATCH\"\n );\n\n delete authorized[target];\n authorities[index] = authorities[authorities.length - 1];\n authorities.length -= 1;\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory)\n {\n return authorities;\n }\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IAuthorizable.sol\";\n\n\ncontract IAssetProxy is\n IAuthorizable\n{\n /// @dev Transfers assets. Either succeeds or throws.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n function transferFrom(\n bytes assetData,\n address from,\n address to,\n uint256 amount\n )\n external;\n \n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4);\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/Ownable/IOwnable.sol\";\n\n\ncontract IAuthorizable is\n IOwnable\n{\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external;\n \n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory);\n}\n", + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAuthorizable.sol\";\n\n\ncontract MAuthorizable is\n IAuthorizable\n{\n // Event logged when a new address is authorized.\n event AuthorizedAddressAdded(\n address indexed target,\n address indexed caller\n );\n\n // Event logged when a currently authorized address is unauthorized.\n event AuthorizedAddressRemoved(\n address indexed target,\n address indexed caller\n );\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized { revert(); _; }\n}\n", + "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../multisig/MultiSigWalletWithTimeLock.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract AssetProxyOwner is\n MultiSigWalletWithTimeLock\n{\n using LibBytes for bytes;\n\n event AssetProxyRegistration(address assetProxyContract, bool isRegistered);\n\n // Mapping of AssetProxy contract address =>\n // if this contract is allowed to call the AssetProxy's `removeAuthorizedAddressAtIndex` method without a time lock.\n mapping (address => bool) public isAssetProxyRegistered;\n\n bytes4 constant internal REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR = bytes4(keccak256(\"removeAuthorizedAddressAtIndex(address,uint256)\"));\n\n /// @dev Function will revert if the transaction does not call `removeAuthorizedAddressAtIndex`\n /// on an approved AssetProxy contract.\n modifier validRemoveAuthorizedAddressAtIndexTx(uint256 transactionId) {\n Transaction storage txn = transactions[transactionId];\n require(\n isAssetProxyRegistered[txn.destination],\n \"UNREGISTERED_ASSET_PROXY\"\n );\n require(\n txn.data.readBytes4(0) == REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR,\n \"INVALID_FUNCTION_SELECTOR\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations,\n /// time lock, and list of AssetProxy addresses.\n /// @param _owners List of initial owners.\n /// @param _assetProxyContracts Array of AssetProxy contract addresses.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] memory _owners,\n address[] memory _assetProxyContracts,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWalletWithTimeLock(_owners, _required, _secondsTimeLocked)\n {\n for (uint256 i = 0; i < _assetProxyContracts.length; i++) {\n address assetProxy = _assetProxyContracts[i];\n require(\n assetProxy != address(0),\n \"INVALID_ASSET_PROXY\"\n );\n isAssetProxyRegistered[assetProxy] = true;\n }\n }\n\n /// @dev Registers or deregisters an AssetProxy to be able to execute\n /// `removeAuthorizedAddressAtIndex` without a timelock.\n /// @param assetProxyContract Address of AssetProxy contract.\n /// @param isRegistered Status of approval for AssetProxy contract.\n function registerAssetProxy(address assetProxyContract, bool isRegistered)\n public\n onlyWallet\n notNull(assetProxyContract)\n {\n isAssetProxyRegistered[assetProxyContract] = isRegistered;\n emit AssetProxyRegistration(assetProxyContract, isRegistered);\n }\n\n /// @dev Allows execution of `removeAuthorizedAddressAtIndex` without time lock.\n /// @param transactionId Transaction ID.\n function executeRemoveAuthorizedAddressAtIndex(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n validRemoveAuthorizedAddressAtIndexTx(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n}\n", + "2.0.0/protocol/Exchange/Exchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinExchangeCore.sol\";\nimport \"./MixinSignatureValidator.sol\";\nimport \"./MixinWrapperFunctions.sol\";\nimport \"./MixinAssetProxyDispatcher.sol\";\nimport \"./MixinTransactions.sol\";\nimport \"./MixinMatchOrders.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Exchange is\n MixinExchangeCore,\n MixinMatchOrders,\n MixinSignatureValidator,\n MixinTransactions,\n MixinAssetProxyDispatcher,\n MixinWrapperFunctions\n{\n string constant public VERSION = \"2.0.1-alpha\";\n\n // Mixins are instantiated in the order they are inherited\n constructor (bytes memory _zrxAssetData)\n public\n LibConstants(_zrxAssetData) // @TODO: Remove when we deploy.\n MixinExchangeCore()\n MixinMatchOrders()\n MixinSignatureValidator()\n MixinTransactions()\n MixinAssetProxyDispatcher()\n MixinWrapperFunctions()\n {}\n}\n", + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\nimport \"../AssetProxy/interfaces/IAssetProxy.sol\";\n\n\ncontract MixinAssetProxyDispatcher is\n Ownable,\n MAssetProxyDispatcher\n{\n // Mapping from Asset Proxy Id's to their respective Asset Proxy\n mapping (bytes4 => IAssetProxy) public assetProxies;\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external\n onlyOwner\n {\n IAssetProxy assetProxyContract = IAssetProxy(assetProxy);\n\n // Ensure that no asset proxy exists with current id.\n bytes4 assetProxyId = assetProxyContract.getProxyId();\n address currentAssetProxy = assetProxies[assetProxyId];\n require(\n currentAssetProxy == address(0),\n \"ASSET_PROXY_ALREADY_EXISTS\"\n );\n\n // Add asset proxy and log registration.\n assetProxies[assetProxyId] = assetProxyContract;\n emit AssetProxyRegistered(\n assetProxyId,\n assetProxy\n );\n }\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address)\n {\n return assetProxies[assetProxyId];\n }\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal\n {\n // Do nothing if no amount should be transferred.\n if (amount > 0 && from != to) {\n // Ensure assetData length is valid\n require(\n assetData.length > 3,\n \"LENGTH_GREATER_THAN_3_REQUIRED\"\n );\n \n // Lookup assetProxy. We do not use `LibBytes.readBytes4` for gas efficiency reasons.\n bytes4 assetProxyId;\n assembly {\n assetProxyId := and(mload(\n add(assetData, 32)),\n 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000\n )\n }\n address assetProxy = assetProxies[assetProxyId];\n\n // Ensure that assetProxy exists\n require(\n assetProxy != address(0),\n \"ASSET_PROXY_DOES_NOT_EXIST\"\n );\n \n // We construct calldata for the `assetProxy.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n\n assembly {\n /////// Setup State ///////\n // `cdStart` is the start of the calldata for `assetProxy.transferFrom` (equal to free memory ptr).\n let cdStart := mload(64)\n // `dataAreaLength` is the total number of words needed to store `assetData`\n // As-per the ABI spec, this value is padded up to the nearest multiple of 32,\n // and includes 32-bytes for length.\n let dataAreaLength := and(add(mload(assetData), 63), 0xFFFFFFFFFFFE0)\n // `cdEnd` is the end of the calldata for `assetProxy.transferFrom`.\n let cdEnd := add(cdStart, add(132, dataAreaLength))\n\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFromSelector`.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes.\n // Notes:\n // 1. The offset to `assetData` is the length of the Params Area (128 bytes).\n // 2. A 20-byte mask is applied to addresses to zero-out the unused bytes.\n mstore(add(cdStart, 4), 128)\n mstore(add(cdStart, 36), and(from, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 68), and(to, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 100), amount)\n \n /////// Setup Data Area ///////\n // This area holds `assetData`.\n let dataArea := add(cdStart, 132)\n // solhint-disable-next-line no-empty-blocks\n for {} lt(dataArea, cdEnd) {} {\n mstore(dataArea, mload(assetData))\n dataArea := add(dataArea, 32)\n assetData := add(assetData, 32)\n }\n\n /////// Call `assetProxy.transferFrom` using the constructed calldata ///////\n let success := call(\n gas, // forward all gas\n assetProxy, // call address of asset proxy\n 0, // don't send any ETH\n cdStart, // pointer to start of input\n sub(cdEnd, cdStart), // length of input \n cdStart, // write output over input\n 512 // reserve 512 bytes for output\n )\n if iszero(success) {\n revert(cdStart, returndatasize())\n }\n }\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinExchangeCore is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n LibOrder,\n LibFillResults,\n MAssetProxyDispatcher,\n MExchangeCore,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of orderHash => amount of takerAsset already bought by maker\n mapping (bytes32 => uint256) public filled;\n\n // Mapping of orderHash => cancelled\n mapping (bytes32 => bool) public cancelled;\n\n // Mapping of makerAddress => senderAddress => lowest salt an order can have in order to be fillable\n // Orders with specified senderAddress and with a salt less than their epoch are considered cancelled\n mapping (address => mapping (address => uint256)) public orderEpoch;\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external\n nonReentrant\n {\n address makerAddress = getCurrentContextAddress();\n // If this function is called via `executeTransaction`, we only update the orderEpoch for the makerAddress/msg.sender combination.\n // This allows external filter contracts to add rules to how orders are cancelled via this function.\n address senderAddress = makerAddress == msg.sender ? address(0) : msg.sender;\n\n // orderEpoch is initialized to 0, so to cancelUpTo we need salt + 1\n uint256 newOrderEpoch = targetOrderEpoch + 1; \n uint256 oldOrderEpoch = orderEpoch[makerAddress][senderAddress];\n\n // Ensure orderEpoch is monotonically increasing\n require(\n newOrderEpoch > oldOrderEpoch, \n \"INVALID_NEW_ORDER_EPOCH\"\n );\n\n // Update orderEpoch\n orderEpoch[makerAddress][senderAddress] = newOrderEpoch;\n emit CancelUpTo(\n makerAddress,\n senderAddress,\n newOrderEpoch\n );\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrder(Order memory order)\n public\n nonReentrant\n {\n cancelOrderInternal(order);\n }\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(Order memory order)\n public\n view\n returns (OrderInfo memory orderInfo)\n {\n // Compute the order hash\n orderInfo.orderHash = getOrderHash(order);\n\n // Fetch filled amount\n orderInfo.orderTakerAssetFilledAmount = filled[orderInfo.orderHash];\n\n // If order.makerAssetAmount is zero, we also reject the order.\n // While the Exchange contract handles them correctly, they create\n // edge cases in the supporting infrastructure because they have\n // an 'infinite' price when computed by a simple division.\n if (order.makerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_MAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // If order.takerAssetAmount is zero, then the order will always\n // be considered filled because 0 == takerAssetAmount == orderTakerAssetFilledAmount\n // Instead of distinguishing between unfilled and filled zero taker\n // amount orders, we choose not to support them.\n if (order.takerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_TAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // Validate order availability\n if (orderInfo.orderTakerAssetFilledAmount >= order.takerAssetAmount) {\n orderInfo.orderStatus = uint8(OrderStatus.FULLY_FILLED);\n return orderInfo;\n }\n\n // Validate order expiration\n // solhint-disable-next-line not-rely-on-time\n if (block.timestamp >= order.expirationTimeSeconds) {\n orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);\n return orderInfo;\n }\n\n // Check if order has been cancelled\n if (cancelled[orderInfo.orderHash]) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n if (orderEpoch[order.makerAddress][order.senderAddress] > order.salt) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n\n // All other statuses are ruled out: order is Fillable\n orderInfo.orderStatus = uint8(OrderStatus.FILLABLE);\n return orderInfo;\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // Fetch order info\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Assert that the order is fillable by taker\n assertFillableOrder(\n order,\n orderInfo,\n takerAddress,\n signature\n );\n \n // Get amount of takerAsset to fill\n uint256 remainingTakerAssetAmount = safeSub(order.takerAssetAmount, orderInfo.orderTakerAssetFilledAmount);\n uint256 takerAssetFilledAmount = min256(takerAssetFillAmount, remainingTakerAssetAmount);\n\n // Validate context\n assertValidFill(\n order,\n orderInfo,\n takerAssetFillAmount,\n takerAssetFilledAmount,\n fillResults.makerAssetFilledAmount\n );\n\n // Compute proportional fill amounts\n fillResults = calculateFillResults(order, takerAssetFilledAmount);\n\n // Update exchange internal state\n updateFilledState(\n order,\n takerAddress,\n orderInfo.orderHash,\n orderInfo.orderTakerAssetFilledAmount,\n fillResults\n );\n \n // Settle order\n settleOrder(\n order,\n takerAddress,\n fillResults\n );\n\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrderInternal(Order memory order)\n internal\n {\n // Fetch current order status\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Validate context\n assertValidCancel(order, orderInfo);\n\n // Perform cancel\n updateCancelledState(order, orderInfo.orderHash);\n }\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n function updateFilledState(\n Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n FillResults memory fillResults\n )\n internal\n {\n // Update state\n filled[orderHash] = safeAdd(orderTakerAssetFilledAmount, fillResults.takerAssetFilledAmount);\n\n // Log order\n emit Fill(\n order.makerAddress,\n order.feeRecipientAddress,\n takerAddress,\n msg.sender,\n fillResults.makerAssetFilledAmount,\n fillResults.takerAssetFilledAmount,\n fillResults.makerFeePaid,\n fillResults.takerFeePaid,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n Order memory order,\n bytes32 orderHash\n )\n internal\n {\n // Perform cancel\n cancelled[orderHash] = true;\n\n // Log cancel\n emit Cancel(\n order.makerAddress,\n order.feeRecipientAddress,\n msg.sender,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n Order memory order,\n OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view\n {\n // An order can only be filled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n \n // Validate sender is allowed to fill this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n \n // Validate taker is allowed to fill this order\n if (order.takerAddress != address(0)) {\n require(\n order.takerAddress == takerAddress,\n \"INVALID_TAKER\"\n );\n }\n \n // Validate Maker signature (check only if first time seen)\n if (orderInfo.orderTakerAssetFilledAmount == 0) {\n require(\n isValidSignature(\n orderInfo.orderHash,\n order.makerAddress,\n signature\n ),\n \"INVALID_ORDER_SIGNATURE\"\n );\n }\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n Order memory order,\n OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount, // TODO: use FillResults\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view\n {\n // Revert if fill amount is invalid\n // TODO: reconsider necessity for v2.1\n require(\n takerAssetFillAmount != 0,\n \"INVALID_TAKER_AMOUNT\"\n );\n \n // Make sure taker does not pay more than desired amount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n takerAssetFilledAmount <= takerAssetFillAmount,\n \"TAKER_OVERPAY\"\n );\n \n // Make sure order is not overfilled\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeAdd(orderInfo.orderTakerAssetFilledAmount, takerAssetFilledAmount) <= order.takerAssetAmount,\n \"ORDER_OVERFILL\"\n );\n \n // Make sure order is filled at acceptable price.\n // The order has an implied price from the makers perspective:\n // order price = order.makerAssetAmount / order.takerAssetAmount\n // i.e. the number of makerAsset maker is paying per takerAsset. The\n // maker is guaranteed to get this price or a better (lower) one. The\n // actual price maker is getting in this fill is:\n // fill price = makerAssetFilledAmount / takerAssetFilledAmount\n // We need `fill price <= order price` for the fill to be fair to maker.\n // This amounts to:\n // makerAssetFilledAmount order.makerAssetAmount\n // ------------------------ <= -----------------------\n // takerAssetFilledAmount order.takerAssetAmount\n // or, equivalently:\n // makerAssetFilledAmount * order.takerAssetAmount <=\n // order.makerAssetAmount * takerAssetFilledAmount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeMul(makerAssetFilledAmount, order.takerAssetAmount)\n <= \n safeMul(order.makerAssetAmount, takerAssetFilledAmount),\n \"INVALID_FILL_PRICE\"\n );\n }\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n Order memory order,\n OrderInfo memory orderInfo\n )\n internal\n view\n {\n // Ensure order is valid\n // An order can only be cancelled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Validate sender is allowed to cancel this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate transaction signed by maker\n address makerAddress = getCurrentContextAddress();\n require(\n order.makerAddress == makerAddress,\n \"INVALID_MAKER\"\n );\n }\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (FillResults memory fillResults)\n {\n // Compute proportional transfer amounts\n fillResults.takerAssetFilledAmount = takerAssetFilledAmount;\n fillResults.makerAssetFilledAmount = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n );\n fillResults.makerFeePaid = safeGetPartialAmountFloor(\n fillResults.makerAssetFilledAmount,\n order.makerAssetAmount,\n order.makerFee\n );\n fillResults.takerFeePaid = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.takerFee\n );\n\n return fillResults;\n }\n\n /// @dev Settles an order by transferring assets between counterparties.\n /// @param order Order struct containing order specifications.\n /// @param takerAddress Address selling takerAsset and buying makerAsset.\n /// @param fillResults Amounts to be filled and fees paid by maker and taker.\n function settleOrder(\n LibOrder.Order memory order,\n address takerAddress,\n LibFillResults.FillResults memory fillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n dispatchTransferFrom(\n order.makerAssetData,\n order.makerAddress,\n takerAddress,\n fillResults.makerAssetFilledAmount\n );\n dispatchTransferFrom(\n order.takerAssetData,\n takerAddress,\n order.makerAddress,\n fillResults.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n zrxAssetData,\n order.makerAddress,\n order.feeRecipientAddress,\n fillResults.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n order.feeRecipientAddress,\n fillResults.takerFeePaid\n );\n }\n}\n", + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": "/*\n Copyright 2018 ZeroEx Intl.\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n http://www.apache.org/licenses/LICENSE-2.0\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MMatchOrders.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinMatchOrders is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n MAssetProxyDispatcher,\n MExchangeCore,\n MMatchOrders,\n MTransactions\n{\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n nonReentrant\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We assume that rightOrder.takerAssetData == leftOrder.makerAssetData and rightOrder.makerAssetData == leftOrder.takerAssetData.\n // If this assumption isn't true, the match will fail at signature validation.\n rightOrder.makerAssetData = leftOrder.takerAssetData;\n rightOrder.takerAssetData = leftOrder.makerAssetData;\n\n // Get left & right order info\n LibOrder.OrderInfo memory leftOrderInfo = getOrderInfo(leftOrder);\n LibOrder.OrderInfo memory rightOrderInfo = getOrderInfo(rightOrder);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Either our context is valid or we revert\n assertFillableOrder(\n leftOrder,\n leftOrderInfo,\n takerAddress,\n leftSignature\n );\n assertFillableOrder(\n rightOrder,\n rightOrderInfo,\n takerAddress,\n rightSignature\n );\n assertValidMatch(leftOrder, rightOrder);\n\n // Compute proportional fill amounts\n matchedFillResults = calculateMatchedFillResults(\n leftOrder,\n rightOrder,\n leftOrderInfo.orderTakerAssetFilledAmount,\n rightOrderInfo.orderTakerAssetFilledAmount\n );\n\n // Validate fill contexts\n assertValidFill(\n leftOrder,\n leftOrderInfo,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.makerAssetFilledAmount\n );\n assertValidFill(\n rightOrder,\n rightOrderInfo,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n \n // Update exchange state\n updateFilledState(\n leftOrder,\n takerAddress,\n leftOrderInfo.orderHash,\n leftOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.left\n );\n updateFilledState(\n rightOrder,\n takerAddress,\n rightOrderInfo.orderHash,\n rightOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.right\n );\n\n // Settle matched orders. Succeeds or throws.\n settleMatchedOrders(\n leftOrder,\n rightOrder,\n takerAddress,\n matchedFillResults\n );\n\n return matchedFillResults;\n }\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure\n {\n // Make sure there is a profitable spread.\n // There is a profitable spread iff the cost per unit bought (OrderA.MakerAmount/OrderA.TakerAmount) for each order is greater\n // than the profit per unit sold of the matched order (OrderB.TakerAmount/OrderB.MakerAmount).\n // This is satisfied by the equations below:\n // / >= / \n // AND\n // / >= / \n // These equations can be combined to get the following:\n require(\n safeMul(leftOrder.makerAssetAmount, rightOrder.makerAssetAmount) >=\n safeMul(leftOrder.takerAssetAmount, rightOrder.takerAssetAmount),\n \"NEGATIVE_SPREAD_REQUIRED\"\n );\n }\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // Derive maker asset amounts for left & right orders, given store taker assert amounts\n uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);\n uint256 leftMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n leftTakerAssetAmountRemaining\n );\n uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);\n uint256 rightMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n rightOrder.makerAssetAmount,\n rightOrder.takerAssetAmount,\n rightTakerAssetAmountRemaining\n );\n\n // Calculate fill results for maker and taker assets: at least one order will be fully filled.\n // The maximum amount the left maker can buy is `leftTakerAssetAmountRemaining`\n // The maximum amount the right maker can sell is `rightMakerAssetAmountRemaining`\n // We have two distinct cases for calculating the fill results:\n // Case 1.\n // If the left maker can buy more than the right maker can sell, then only the right order is fully filled.\n // If the left maker can buy exactly what the right maker can sell, then both orders are fully filled.\n // Case 2.\n // If the left maker cannot buy more than the right maker can sell, then only the left order is fully filled.\n if (leftTakerAssetAmountRemaining >= rightMakerAssetAmountRemaining) {\n // Case 1: Right order is fully filled\n matchedFillResults.right.makerAssetFilledAmount = rightMakerAssetAmountRemaining;\n matchedFillResults.right.takerAssetFilledAmount = rightTakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = matchedFillResults.right.makerAssetFilledAmount;\n // Round down to ensure the maker's exchange rate does not exceed the price specified by the order. \n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.left.makerAssetFilledAmount = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n matchedFillResults.left.takerAssetFilledAmount\n );\n } else {\n // Case 2: Left order is fully filled\n matchedFillResults.left.makerAssetFilledAmount = leftMakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = leftTakerAssetAmountRemaining;\n matchedFillResults.right.makerAssetFilledAmount = matchedFillResults.left.takerAssetFilledAmount;\n // Round up to ensure the maker's exchange rate does not exceed the price specified by the order.\n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.right.takerAssetFilledAmount = safeGetPartialAmountCeil(\n rightOrder.takerAssetAmount,\n rightOrder.makerAssetAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n }\n\n // Calculate amount given to taker\n matchedFillResults.leftMakerAssetSpreadAmount = safeSub(\n matchedFillResults.left.makerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount\n );\n\n // Compute fees for left order\n matchedFillResults.left.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.makerAssetFilledAmount,\n leftOrder.makerAssetAmount,\n leftOrder.makerFee\n );\n matchedFillResults.left.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.takerAssetFilledAmount,\n leftOrder.takerAssetAmount,\n leftOrder.takerFee\n );\n\n // Compute fees for right order\n matchedFillResults.right.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.makerAssetFilledAmount,\n rightOrder.makerAssetAmount,\n rightOrder.makerFee\n );\n matchedFillResults.right.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.takerAssetFilledAmount,\n rightOrder.takerAssetAmount,\n rightOrder.takerFee\n );\n\n // Return fill results\n return matchedFillResults;\n }\n\n /// @dev Settles matched order by transferring appropriate funds between order makers, taker, and fee recipient.\n /// @param leftOrder First matched order.\n /// @param rightOrder Second matched order.\n /// @param takerAddress Address that matched the orders. The taker receives the spread between orders as profit.\n /// @param matchedFillResults Struct holding amounts to transfer between makers, taker, and fee recipients.\n function settleMatchedOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n address takerAddress,\n LibFillResults.MatchedFillResults memory matchedFillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n // Order makers and taker\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n rightOrder.makerAddress,\n matchedFillResults.right.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n rightOrder.makerAssetData,\n rightOrder.makerAddress,\n leftOrder.makerAddress,\n matchedFillResults.left.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n takerAddress,\n matchedFillResults.leftMakerAssetSpreadAmount\n );\n\n // Maker fees\n dispatchTransferFrom(\n zrxAssetData,\n leftOrder.makerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n rightOrder.makerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.makerFeePaid\n );\n\n // Taker fees\n if (leftOrder.feeRecipientAddress == rightOrder.feeRecipientAddress) {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n safeAdd(\n matchedFillResults.left.takerFeePaid,\n matchedFillResults.right.takerFeePaid\n )\n );\n } else {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.takerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.takerFeePaid\n );\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./interfaces/IWallet.sol\";\nimport \"./interfaces/IValidator.sol\";\n\n\ncontract MixinSignatureValidator is\n ReentrancyGuard,\n MSignatureValidator,\n MTransactions\n{\n using LibBytes for bytes;\n \n // Mapping of hash => signer => signed\n mapping (bytes32 => mapping (address => bool)) public preSigned;\n\n // Mapping of signer => validator => approved\n mapping (address => mapping (address => bool)) public allowedValidators;\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n {\n if (signerAddress != msg.sender) {\n require(\n isValidSignature(\n hash,\n signerAddress,\n signature\n ),\n \"INVALID_SIGNATURE\"\n );\n }\n preSigned[hash][signerAddress] = true;\n }\n\n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external\n nonReentrant\n {\n address signerAddress = getCurrentContextAddress();\n allowedValidators[signerAddress][validatorAddress] = approval;\n emit SignatureValidatorApproval(\n signerAddress,\n validatorAddress,\n approval\n );\n }\n\n /// @dev Verifies that a hash has been signed by the given signer.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid)\n {\n require(\n signature.length > 0,\n \"LENGTH_GREATER_THAN_0_REQUIRED\"\n );\n\n // Pop last byte off of signature byte array.\n uint8 signatureTypeRaw = uint8(signature.popLastByte());\n\n // Ensure signature is supported\n require(\n signatureTypeRaw < uint8(SignatureType.NSignatureTypes),\n \"SIGNATURE_UNSUPPORTED\"\n );\n\n SignatureType signatureType = SignatureType(signatureTypeRaw);\n\n // Variables are not scoped in Solidity.\n uint8 v;\n bytes32 r;\n bytes32 s;\n address recovered;\n\n // Always illegal signature.\n // This is always an implicit option since a signer can create a\n // signature array with invalid type or length. We may as well make\n // it an explicit option. This aids testing and analysis. It is\n // also the initialization value for the enum type.\n if (signatureType == SignatureType.Illegal) {\n revert(\"SIGNATURE_ILLEGAL\");\n\n // Always invalid signature.\n // Like Illegal, this is always implicitly available and therefore\n // offered explicitly. It can be implicitly created by providing\n // a correctly formatted but incorrect signature.\n } else if (signatureType == SignatureType.Invalid) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = false;\n return isValid;\n\n // Signature using EIP712\n } else if (signatureType == SignatureType.EIP712) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n hash,\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signed using web3.eth_sign\n } else if (signatureType == SignatureType.EthSign) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n32\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signature verified by wallet contract.\n // If used with an order, the maker of the order is the wallet contract.\n } else if (signatureType == SignatureType.Wallet) {\n isValid = isValidWalletSignature(\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signature verified by validator contract.\n // If used with an order, the maker of the order can still be an EOA.\n // A signature using this type should be encoded as:\n // | Offset | Length | Contents |\n // | 0x00 | x | Signature to validate |\n // | 0x00 + x | 20 | Address of validator contract |\n // | 0x14 + x | 1 | Signature type is always \"\\x06\" |\n } else if (signatureType == SignatureType.Validator) {\n // Pop last 20 bytes off of signature byte array.\n address validatorAddress = signature.popLast20Bytes();\n \n // Ensure signer has approved validator.\n if (!allowedValidators[signerAddress][validatorAddress]) {\n return false;\n }\n isValid = isValidValidatorSignature(\n validatorAddress,\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signer signed hash previously using the preSign function.\n } else if (signatureType == SignatureType.PreSigned) {\n isValid = preSigned[hash][signerAddress];\n return isValid;\n }\n\n // Anything else is illegal (We do not return false because\n // the signature may actually be valid, just not in a format\n // that we currently support. In this case returning false\n // may lead the caller to incorrectly believe that the\n // signature was invalid.)\n revert(\"SIGNATURE_UNSUPPORTED\");\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if signature is valid for given wallet..\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IWallet(walletAddress).isValidSignature.selector,\n hash,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n walletAddress, // address of Wallet contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"WALLET_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000c57414c4c45545f4552524f5200000000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IValidator(signerAddress).isValidSignature.selector,\n hash,\n signerAddress,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n validatorAddress, // address of Validator contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"VALIDATOR_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f56414c494441544f525f4552524f5200000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n}\n", + "2.0.0/protocol/Exchange/MixinTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"./libs/LibExchangeErrors.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./libs/LibEIP712.sol\";\n\n\ncontract MixinTransactions is\n LibEIP712,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of transaction hash => executed\n // This prevents transactions from being executed more than once.\n mapping (bytes32 => bool) public transactions;\n\n // Address of current transaction signer\n address public currentContextAddress;\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external\n {\n // Prevent reentrancy\n require(\n currentContextAddress == address(0),\n \"REENTRANCY_ILLEGAL\"\n );\n\n bytes32 transactionHash = hashEIP712Message(hashZeroExTransaction(\n salt,\n signerAddress,\n data\n ));\n\n // Validate transaction has not been executed\n require(\n !transactions[transactionHash],\n \"INVALID_TX_HASH\"\n );\n\n // Transaction always valid if signer is sender of transaction\n if (signerAddress != msg.sender) {\n // Validate signature\n require(\n isValidSignature(\n transactionHash,\n signerAddress,\n signature\n ),\n \"INVALID_TX_SIGNATURE\"\n );\n\n // Set the current transaction signer\n currentContextAddress = signerAddress;\n }\n\n // Execute transaction\n transactions[transactionHash] = true;\n require(\n address(this).delegatecall(data),\n \"FAILED_EXECUTION\"\n );\n\n // Reset current transaction signer if it was previously updated\n if (signerAddress != msg.sender) {\n currentContextAddress = address(0);\n }\n }\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;\n bytes32 dataHash = keccak256(data);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,\n // salt,\n // bytes32(signerAddress),\n // keccak256(data)\n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, schemaHash) // hash of schema\n mstore(add(memPtr, 32), salt) // salt\n mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff)) // signerAddress\n mstore(add(memPtr, 96), dataHash) // hash of data\n\n // Compute hash\n result := keccak256(memPtr, 128)\n }\n return result;\n }\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address)\n {\n address currentContextAddress_ = currentContextAddress;\n address contextAddress = currentContextAddress_ == address(0) ? msg.sender : currentContextAddress_;\n return contextAddress;\n }\n}\n", + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibAbiEncoder.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MWrapperFunctions.sol\";\n\n\ncontract MixinWrapperFunctions is\n ReentrancyGuard,\n LibMath,\n LibFillResults,\n LibAbiEncoder,\n MExchangeCore,\n MWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrKillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n // Delegate to `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := delegatecall(\n gas, // forward all gas\n address, // call address of this contract\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrKillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n \n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public\n nonReentrant\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n cancelOrderInternal(orders[i]);\n }\n }\n\n /// @dev Fetches information for all passed in orders.\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n LibOrder.OrderInfo[] memory ordersInfo = new LibOrder.OrderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n ordersInfo[i] = getOrderInfo(orders[i]);\n }\n return ordersInfo;\n }\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n require(\n fillResults.takerAssetFilledAmount == takerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return fillResults;\n }\n}\n", + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssetProxyDispatcher {\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external;\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./IExchangeCore.sol\";\nimport \"./IMatchOrders.sol\";\nimport \"./ISignatureValidator.sol\";\nimport \"./ITransactions.sol\";\nimport \"./IAssetProxyDispatcher.sol\";\nimport \"./IWrapperFunctions.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract IExchange is\n IExchangeCore,\n IMatchOrders,\n ISignatureValidator,\n ITransactions,\n IAssetProxyDispatcher,\n IWrapperFunctions\n{}\n", + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IExchangeCore {\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external;\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrder(LibOrder.Order memory order)\n public;\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(LibOrder.Order memory order)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IMatchOrders {\n\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ISignatureValidator {\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external;\n \n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external;\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address of signer.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\n\ncontract ITransactions {\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external;\n}\n", + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IValidator {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IWallet {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IWrapperFunctions {\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public;\n\n /// @dev Fetches information for all passed in orders\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory);\n}\n", + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./LibOrder.sol\";\n\n\ncontract LibAbiEncoder {\n\n /// @dev ABI encodes calldata for `fillOrder`.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return ABI encoded calldata for `fillOrder`.\n function abiEncodeFillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n pure\n returns (bytes memory fillOrderCalldata)\n {\n // We need to call MExchangeCore.fillOrder using a delegatecall in\n // assembly so that we can intercept a call that throws. For this, we\n // need the input encoded in memory in the Ethereum ABIv2 format [1].\n\n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0x00 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 0x00 | | 1. offset to order (*) |\n // | | 0x20 | | 2. takerAssetFillAmount |\n // | | 0x40 | | 3. offset to signature (*) |\n // | Data | | 12 * 32 | order: |\n // | | 0x000 | | 1. senderAddress |\n // | | 0x020 | | 2. makerAddress |\n // | | 0x040 | | 3. takerAddress |\n // | | 0x060 | | 4. feeRecipientAddress |\n // | | 0x080 | | 5. makerAssetAmount |\n // | | 0x0A0 | | 6. takerAssetAmount |\n // | | 0x0C0 | | 7. makerFeeAmount |\n // | | 0x0E0 | | 8. takerFeeAmount |\n // | | 0x100 | | 9. expirationTimeSeconds |\n // | | 0x120 | | 10. salt |\n // | | 0x140 | | 11. Offset to makerAssetData (*) |\n // | | 0x160 | | 12. Offset to takerAssetData (*) |\n // | | 0x180 | 32 | makerAssetData Length |\n // | | 0x1A0 | ** | makerAssetData Contents |\n // | | 0x1C0 | 32 | takerAssetData Length |\n // | | 0x1E0 | ** | takerAssetData Contents |\n // | | 0x200 | 32 | signature Length |\n // | | 0x220 | ** | signature Contents |\n\n // * Offsets are calculated from the beginning of the current area: Header, Params, Data:\n // An offset stored in the Params area is calculated from the beginning of the Params section.\n // An offset stored in the Data area is calculated from the beginning of the Data section.\n\n // ** The length of dynamic array contents are stored in the field immediately preceeding the contents.\n\n // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html\n\n assembly {\n\n // Areas below may use the following variables:\n // 1. Start -- Start of this area in memory\n // 2. End -- End of this area in memory. This value may\n // be precomputed (before writing contents),\n // or it may be computed as contents are written.\n // 3. Offset -- Current offset into area. If an area's End\n // is precomputed, this variable tracks the\n // offsets of contents as they are written.\n\n /////// Setup Header Area ///////\n // Load free memory pointer\n fillOrderCalldata := mload(0x40)\n // bytes4(keccak256(\"fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)\"))\n // = 0xb4be83d5\n // Leave 0x20 bytes to store the length\n mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000)\n let headerAreaEnd := add(fillOrderCalldata, 0x24)\n\n /////// Setup Params Area ///////\n // This area is preallocated and written to later.\n // This is because we need to fill in offsets that have not yet been calculated.\n let paramsAreaStart := headerAreaEnd\n let paramsAreaEnd := add(paramsAreaStart, 0x60)\n let paramsAreaOffset := paramsAreaStart\n\n /////// Setup Data Area ///////\n let dataAreaStart := paramsAreaEnd\n let dataAreaEnd := dataAreaStart\n\n // Offset from the source data we're reading from\n let sourceOffset := order\n // arrayLenBytes and arrayLenWords track the length of a dynamically-allocated bytes array.\n let arrayLenBytes := 0\n let arrayLenWords := 0\n\n /////// Write order Struct ///////\n // Write memory location of Order, relative to the start of the\n // parameter list, then increment the paramsAreaOffset respectively.\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n // Write values for each field in the order\n // It would be nice to use a loop, but we save on gas by writing\n // the stores sequentially.\n mstore(dataAreaEnd, mload(sourceOffset)) // makerAddress\n mstore(add(dataAreaEnd, 0x20), mload(add(sourceOffset, 0x20))) // takerAddress\n mstore(add(dataAreaEnd, 0x40), mload(add(sourceOffset, 0x40))) // feeRecipientAddress\n mstore(add(dataAreaEnd, 0x60), mload(add(sourceOffset, 0x60))) // senderAddress\n mstore(add(dataAreaEnd, 0x80), mload(add(sourceOffset, 0x80))) // makerAssetAmount\n mstore(add(dataAreaEnd, 0xA0), mload(add(sourceOffset, 0xA0))) // takerAssetAmount\n mstore(add(dataAreaEnd, 0xC0), mload(add(sourceOffset, 0xC0))) // makerFeeAmount\n mstore(add(dataAreaEnd, 0xE0), mload(add(sourceOffset, 0xE0))) // takerFeeAmount\n mstore(add(dataAreaEnd, 0x100), mload(add(sourceOffset, 0x100))) // expirationTimeSeconds\n mstore(add(dataAreaEnd, 0x120), mload(add(sourceOffset, 0x120))) // salt\n mstore(add(dataAreaEnd, 0x140), mload(add(sourceOffset, 0x140))) // Offset to makerAssetData\n mstore(add(dataAreaEnd, 0x160), mload(add(sourceOffset, 0x160))) // Offset to takerAssetData\n dataAreaEnd := add(dataAreaEnd, 0x180)\n sourceOffset := add(sourceOffset, 0x180)\n\n // Write offset to \n mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x140)) // makerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Write offset to \n mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x160)) // takerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n /////// Write takerAssetFillAmount ///////\n mstore(paramsAreaOffset, takerAssetFillAmount)\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n /////// Write signature ///////\n // Write offset to paramsArea\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n\n // Calculate length of signature\n sourceOffset := signature\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of signature\n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of signature\n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Set length of calldata\n mstore(fillOrderCalldata, sub(dataAreaEnd, add(fillOrderCalldata, 0x20)))\n\n // Increment free memory pointer\n mstore(0x40, dataAreaEnd)\n }\n\n return fillOrderCalldata;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\n// solhint-disable max-line-length\ncontract LibConstants {\n \n // Asset data for ZRX token. Used for fee transfers.\n // @TODO: Hardcode constant when we deploy. Currently \n // not constant to make testing easier.\n\n // The proxyId for ZRX_ASSET_DATA is bytes4(keccak256(\"ERC20Token(address)\")) = 0xf47261b0\n \n // Kovan ZRX address is 0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570.\n // The ABI encoded proxyId and address is 0xf47261b00000000000000000000000006ff6c0ff1d68b964901f986d4c9fa3ac68346570\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x6f\\xf6\\xc0\\xff\\x1d\\x68\\xb9\\x64\\x90\\x1f\\x98\\x6d\\x4c\\x9f\\xa3\\xac\\x68\\x34\\x65\\x70\";\n \n // Mainnet ZRX address is 0xe41d2489571d322189246dafa5ebde1f4699f498.\n // The ABI encoded proxyId and address is 0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xe4\\x1d\\x24\\x89\\x57\\x1d\\x32\\x21\\x89\\x24\\x6d\\xaf\\xa5\\xeb\\xde\\x1f\\x46\\x99\\xf4\\x98\";\n \n // solhint-disable-next-line var-name-mixedcase\n bytes public ZRX_ASSET_DATA;\n\n // @TODO: Remove when we deploy.\n constructor (bytes memory zrxAssetData)\n public\n {\n ZRX_ASSET_DATA = zrxAssetData;\n }\n}\n// solhint-enable max-line-length\n", + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract LibEIP712 {\n\n // EIP191 header for EIP712 prefix\n string constant internal EIP191_HEADER = \"\\x19\\x01\";\n\n // EIP712 Domain Name value\n string constant internal EIP712_DOMAIN_NAME = \"0x Protocol\";\n\n // EIP712 Domain Version value\n string constant internal EIP712_DOMAIN_VERSION = \"2\";\n\n // Hash of the EIP712 Domain Separator Schema\n bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"EIP712Domain(\",\n \"string name,\",\n \"string version,\",\n \"address verifyingContract\",\n \")\"\n ));\n\n // Hash of the EIP712 Domain Separator data\n // solhint-disable-next-line var-name-mixedcase\n bytes32 public EIP712_DOMAIN_HASH;\n\n constructor ()\n public\n {\n EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(\n EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,\n keccak256(bytes(EIP712_DOMAIN_NAME)),\n keccak256(bytes(EIP712_DOMAIN_VERSION)),\n bytes32(address(this))\n ));\n }\n\n /// @dev Calculates EIP712 encoding for a hash struct in this EIP712 Domain.\n /// @param hashStruct The EIP712 hash struct.\n /// @return EIP712 hash applied to this EIP712 Domain.\n function hashEIP712Message(bytes32 hashStruct)\n internal\n view\n returns (bytes32 result)\n {\n bytes32 eip712DomainHash = EIP712_DOMAIN_HASH;\n\n // Assembly for more efficient computing:\n // keccak256(abi.encodePacked(\n // EIP191_HEADER,\n // EIP712_DOMAIN_HASH,\n // hashStruct \n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, 0x1901000000000000000000000000000000000000000000000000000000000000) // EIP191 header\n mstore(add(memPtr, 2), eip712DomainHash) // EIP712 domain hash\n mstore(add(memPtr, 34), hashStruct) // Hash of struct\n\n // Compute hash\n result := keccak256(memPtr, 66)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity 0.4.24;\n\n\n/// @dev This contract documents the revert reasons used in the Exchange contract.\n/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons.\ncontract LibExchangeErrors {\n\n /// Order validation errors ///\n string constant ORDER_UNFILLABLE = \"ORDER_UNFILLABLE\"; // Order cannot be filled.\n string constant INVALID_MAKER = \"INVALID_MAKER\"; // Invalid makerAddress.\n string constant INVALID_TAKER = \"INVALID_TAKER\"; // Invalid takerAddress.\n string constant INVALID_SENDER = \"INVALID_SENDER\"; // Invalid `msg.sender`.\n string constant INVALID_ORDER_SIGNATURE = \"INVALID_ORDER_SIGNATURE\"; // Signature validation failed. \n \n /// fillOrder validation errors ///\n string constant INVALID_TAKER_AMOUNT = \"INVALID_TAKER_AMOUNT\"; // takerAssetFillAmount cannot equal 0.\n string constant ROUNDING_ERROR = \"ROUNDING_ERROR\"; // Rounding error greater than 0.1% of takerAssetFillAmount. \n \n /// Signature validation errors ///\n string constant INVALID_SIGNATURE = \"INVALID_SIGNATURE\"; // Signature validation failed. \n string constant SIGNATURE_ILLEGAL = \"SIGNATURE_ILLEGAL\"; // Signature type is illegal.\n string constant SIGNATURE_UNSUPPORTED = \"SIGNATURE_UNSUPPORTED\"; // Signature type unsupported.\n \n /// cancelOrdersUptTo errors ///\n string constant INVALID_NEW_ORDER_EPOCH = \"INVALID_NEW_ORDER_EPOCH\"; // Specified salt must be greater than or equal to existing orderEpoch.\n\n /// fillOrKillOrder errors ///\n string constant COMPLETE_FILL_FAILED = \"COMPLETE_FILL_FAILED\"; // Desired takerAssetFillAmount could not be completely filled. \n\n /// matchOrders errors ///\n string constant NEGATIVE_SPREAD_REQUIRED = \"NEGATIVE_SPREAD_REQUIRED\"; // Matched orders must have a negative spread.\n\n /// Transaction errors ///\n string constant REENTRANCY_ILLEGAL = \"REENTRANCY_ILLEGAL\"; // Recursive reentrancy is not allowed. \n string constant INVALID_TX_HASH = \"INVALID_TX_HASH\"; // Transaction has already been executed. \n string constant INVALID_TX_SIGNATURE = \"INVALID_TX_SIGNATURE\"; // Signature validation failed. \n string constant FAILED_EXECUTION = \"FAILED_EXECUTION\"; // Transaction execution failed. \n \n /// registerAssetProxy errors ///\n string constant ASSET_PROXY_ALREADY_EXISTS = \"ASSET_PROXY_ALREADY_EXISTS\"; // AssetProxy with same id already exists.\n\n /// dispatchTransferFrom errors ///\n string constant ASSET_PROXY_DOES_NOT_EXIST = \"ASSET_PROXY_DOES_NOT_EXIST\"; // No assetProxy registered at given id.\n string constant TRANSFER_FAILED = \"TRANSFER_FAILED\"; // Asset transfer unsuccesful.\n\n /// Length validation errors ///\n string constant LENGTH_GREATER_THAN_0_REQUIRED = \"LENGTH_GREATER_THAN_0_REQUIRED\"; // Byte array must have a length greater than 0.\n string constant LENGTH_GREATER_THAN_3_REQUIRED = \"LENGTH_GREATER_THAN_3_REQUIRED\"; // Byte array must have a length greater than 3.\n string constant LENGTH_0_REQUIRED = \"LENGTH_0_REQUIRED\"; // Byte array must have a length of 0.\n string constant LENGTH_65_REQUIRED = \"LENGTH_65_REQUIRED\"; // Byte array must have a length of 65.\n}\n", + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibFillResults is\n SafeMath\n{\n struct FillResults {\n uint256 makerAssetFilledAmount; // Total amount of makerAsset(s) filled.\n uint256 takerAssetFilledAmount; // Total amount of takerAsset(s) filled.\n uint256 makerFeePaid; // Total amount of ZRX paid by maker(s) to feeRecipient(s).\n uint256 takerFeePaid; // Total amount of ZRX paid by taker to feeRecipients(s).\n }\n\n struct MatchedFillResults {\n FillResults left; // Amounts filled and fees paid of left order.\n FillResults right; // Amounts filled and fees paid of right order.\n uint256 leftMakerAssetSpreadAmount; // Spread between price of left and right order, denominated in the left order's makerAsset, paid to taker.\n }\n\n /// @dev Adds properties of both FillResults instances.\n /// Modifies the first FillResults instance specified.\n /// @param totalFillResults Fill results instance that will be added onto.\n /// @param singleFillResults Fill results instance that will be added to totalFillResults.\n function addFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)\n internal\n pure\n {\n totalFillResults.makerAssetFilledAmount = safeAdd(totalFillResults.makerAssetFilledAmount, singleFillResults.makerAssetFilledAmount);\n totalFillResults.takerAssetFilledAmount = safeAdd(totalFillResults.takerAssetFilledAmount, singleFillResults.takerAssetFilledAmount);\n totalFillResults.makerFeePaid = safeAdd(totalFillResults.makerFeePaid, singleFillResults.makerFeePaid);\n totalFillResults.takerFeePaid = safeAdd(totalFillResults.takerFeePaid, singleFillResults.takerFeePaid);\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibMath.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibMath is\n SafeMath\n{\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function safeGetPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorFloor(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function safeGetPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorCeil(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function getPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function getPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // The absolute rounding error is the difference between the rounded\n // value and the ideal value. The relative rounding error is the\n // absolute rounding error divided by the absolute value of the\n // ideal value. This is undefined when the ideal value is zero.\n //\n // The ideal value is `numerator * target / denominator`.\n // Let's call `numerator * target % denominator` the remainder.\n // The absolute error is `remainder / denominator`.\n //\n // When the ideal value is zero, we require the absolute error to\n // be zero. Fortunately, this is always the case. The ideal value is\n // zero iff `numerator == 0` and/or `target == 0`. In this case the\n // remainder and absolute error are also zero. \n if (target == 0 || numerator == 0) {\n return false;\n }\n \n // Otherwise, we want the relative rounding error to be strictly\n // less than 0.1%.\n // The relative error is `remainder / (numerator * target)`.\n // We want the relative error less than 1 / 1000:\n // remainder / (numerator * denominator) < 1 / 1000\n // or equivalently:\n // 1000 * remainder < numerator * target\n // so we have a rounding error iff:\n // 1000 * remainder >= numerator * target\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding up.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // See the comments in `isRoundingError`.\n if (target == 0 || numerator == 0) {\n // When either is zero, the ideal value and rounded value are zero\n // and there is no rounding error. (Although the relative error\n // is undefined.)\n return false;\n }\n // Compute remainder as before\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n remainder = safeSub(denominator, remainder) % denominator;\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibOrder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./LibEIP712.sol\";\n\n\ncontract LibOrder is\n LibEIP712\n{\n // Hash for the EIP712 Order Schema\n bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"Order(\",\n \"address makerAddress,\",\n \"address takerAddress,\",\n \"address feeRecipientAddress,\",\n \"address senderAddress,\",\n \"uint256 makerAssetAmount,\",\n \"uint256 takerAssetAmount,\",\n \"uint256 makerFee,\",\n \"uint256 takerFee,\",\n \"uint256 expirationTimeSeconds,\",\n \"uint256 salt,\",\n \"bytes makerAssetData,\",\n \"bytes takerAssetData\",\n \")\"\n ));\n\n // A valid order remains fillable until it is expired, fully filled, or cancelled.\n // An order's state is unaffected by external factors, like account balances.\n enum OrderStatus {\n INVALID, // Default value\n INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount\n INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount\n FILLABLE, // Order is fillable\n EXPIRED, // Order has already expired\n FULLY_FILLED, // Order is fully filled\n CANCELLED // Order has been cancelled\n }\n\n // solhint-disable max-line-length\n struct Order {\n address makerAddress; // Address that created the order. \n address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order. \n address feeRecipientAddress; // Address that will recieve fees when order is filled. \n address senderAddress; // Address that is allowed to call Exchange contract methods that affect this order. If set to 0, any address is allowed to call these methods.\n uint256 makerAssetAmount; // Amount of makerAsset being offered by maker. Must be greater than 0. \n uint256 takerAssetAmount; // Amount of takerAsset being bid on by maker. Must be greater than 0. \n uint256 makerFee; // Amount of ZRX paid to feeRecipient by maker when order is filled. If set to 0, no transfer of ZRX from maker to feeRecipient will be attempted.\n uint256 takerFee; // Amount of ZRX paid to feeRecipient by taker when order is filled. If set to 0, no transfer of ZRX from taker to feeRecipient will be attempted.\n uint256 expirationTimeSeconds; // Timestamp in seconds at which order expires. \n uint256 salt; // Arbitrary number to facilitate uniqueness of the order's hash. \n bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.\n bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.\n }\n // solhint-enable max-line-length\n\n struct OrderInfo {\n uint8 orderStatus; // Status that describes order's validity and fillability.\n bytes32 orderHash; // EIP712 hash of the order (see LibOrder.getOrderHash).\n uint256 orderTakerAssetFilledAmount; // Amount of order that has already been filled.\n }\n\n /// @dev Calculates Keccak-256 hash of the order.\n /// @param order The order structure.\n /// @return Keccak-256 EIP712 hash of the order.\n function getOrderHash(Order memory order)\n internal\n view\n returns (bytes32 orderHash)\n {\n orderHash = hashEIP712Message(hashOrder(order));\n return orderHash;\n }\n\n /// @dev Calculates EIP712 hash of the order.\n /// @param order The order structure.\n /// @return EIP712 hash of the order.\n function hashOrder(Order memory order)\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ORDER_SCHEMA_HASH;\n bytes32 makerAssetDataHash = keccak256(order.makerAssetData);\n bytes32 takerAssetDataHash = keccak256(order.takerAssetData);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ORDER_SCHEMA_HASH,\n // bytes32(order.makerAddress),\n // bytes32(order.takerAddress),\n // bytes32(order.feeRecipientAddress),\n // bytes32(order.senderAddress),\n // order.makerAssetAmount,\n // order.takerAssetAmount,\n // order.makerFee,\n // order.takerFee,\n // order.expirationTimeSeconds,\n // order.salt,\n // keccak256(order.makerAssetData),\n // keccak256(order.takerAssetData)\n // ));\n\n assembly {\n // Calculate memory addresses that will be swapped out before hashing\n let pos1 := sub(order, 32)\n let pos2 := add(order, 320)\n let pos3 := add(order, 352)\n\n // Backup\n let temp1 := mload(pos1)\n let temp2 := mload(pos2)\n let temp3 := mload(pos3)\n \n // Hash in place\n mstore(pos1, schemaHash)\n mstore(pos2, makerAssetDataHash)\n mstore(pos3, takerAssetDataHash)\n result := keccak256(pos1, 416)\n \n // Restore\n mstore(pos1, temp1)\n mstore(pos2, temp2)\n mstore(pos3, temp3)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssetProxyDispatcher.sol\";\n\n\ncontract MAssetProxyDispatcher is\n IAssetProxyDispatcher\n{\n // Logs registration of new asset proxy\n event AssetProxyRegistered(\n bytes4 id, // Id of new registered AssetProxy.\n address assetProxy // Address of new registered AssetProxy.\n );\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IExchangeCore.sol\";\n\n\ncontract MExchangeCore is\n IExchangeCore\n{\n // Fill event is emitted whenever an order is filled.\n event Fill(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that received fees.\n address takerAddress, // Address that filled the order.\n address senderAddress, // Address that called the Exchange contract (msg.sender).\n uint256 makerAssetFilledAmount, // Amount of makerAsset sold by maker and bought by taker. \n uint256 takerAssetFilledAmount, // Amount of takerAsset sold by taker and bought by maker.\n uint256 makerFeePaid, // Amount of ZRX paid to feeRecipient by maker.\n uint256 takerFeePaid, // Amount of ZRX paid to feeRecipient by taker.\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // Cancel event is emitted whenever an individual order is cancelled.\n event Cancel(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that would have recieved fees if order was filled. \n address senderAddress, // Address that called the Exchange contract (msg.sender).\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // CancelUpTo event is emitted whenever `cancelOrdersUpTo` is executed succesfully.\n event CancelUpTo(\n address indexed makerAddress, // Orders cancelled must have been created by this address.\n address indexed senderAddress, // Orders cancelled must have a `senderAddress` equal to this address.\n uint256 orderEpoch // Orders with specified makerAddress and senderAddress with a salt less than this value are considered cancelled.\n );\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrderInternal(LibOrder.Order memory order)\n internal;\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function updateFilledState(\n LibOrder.Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n LibFillResults.FillResults memory fillResults\n )\n internal;\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n LibOrder.Order memory order,\n bytes32 orderHash\n )\n internal;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo Status, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view;\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo\n )\n internal\n view;\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n LibOrder.Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.FillResults memory fillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IMatchOrders.sol\";\n\n\ncontract MMatchOrders is\n IMatchOrders\n{\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure;\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/ISignatureValidator.sol\";\n\n\ncontract MSignatureValidator is\n ISignatureValidator\n{\n event SignatureValidatorApproval(\n address indexed signerAddress, // Address that approves or disapproves a contract to verify signatures.\n address indexed validatorAddress, // Address of signature validator contract.\n bool approved // Approval or disapproval of validator contract.\n );\n\n // Allowed signature types.\n enum SignatureType {\n Illegal, // 0x00, default value\n Invalid, // 0x01\n EIP712, // 0x02\n EthSign, // 0x03\n Wallet, // 0x04\n Validator, // 0x05\n PreSigned, // 0x06\n NSignatureTypes // 0x07, number of signature types. Always leave at end.\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"../interfaces/ITransactions.sol\";\n\n\ncontract MTransactions is\n ITransactions\n{\n // Hash for the EIP712 ZeroEx Transaction Schema\n bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"ZeroExTransaction(\",\n \"uint256 salt,\",\n \"address signerAddress,\",\n \"bytes data\",\n \")\"\n ));\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result);\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address);\n}\n", + "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IWrapperFunctions.sol\";\n\n\ncontract MWrapperFunctions is \n IWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n}\n", + "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/MintableERC20Token.sol\";\n\n\ncontract DummyERC20Token is \n Ownable,\n MintableERC20Token\n{\n string public name;\n string public symbol;\n uint256 public decimals;\n uint256 public constant MAX_MINT_AMOUNT = 10000000000000000000000;\n\n constructor (\n string _name,\n string _symbol,\n uint256 _decimals,\n uint256 _totalSupply\n )\n public\n {\n name = _name;\n symbol = _symbol;\n decimals = _decimals;\n _totalSupply = _totalSupply;\n balances[msg.sender] = _totalSupply;\n }\n\n /// @dev Sets the balance of target address\n /// @param _target Address or which balance will be updated\n /// @param _value New balance of target address\n function setBalance(address _target, uint256 _value)\n external\n onlyOwner\n {\n uint256 currBalance = balances[_target];\n if (_value < currBalance) {\n _totalSupply = safeSub(_totalSupply, safeSub(currBalance, _value));\n } else {\n _totalSupply = safeAdd(_totalSupply, safeSub(_value, currBalance));\n }\n balances[_target] = _value;\n }\n\n /// @dev Mints new tokens for sender\n /// @param _value Amount of tokens to mint\n function mint(uint256 _value)\n external\n {\n require(\n _value <= MAX_MINT_AMOUNT,\n \"VALUE_TOO_LARGE\"\n );\n\n _mint(msg.sender, _value);\n }\n}\n", + "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../tokens/ERC721Token/MintableERC721Token.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract DummyERC721Token is\n Ownable,\n MintableERC721Token\n{\n string public name;\n string public symbol;\n\n constructor (\n string _name,\n string _symbol\n )\n public\n {\n name = _name;\n symbol = _symbol;\n }\n\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function mint(address _to, uint256 _tokenId)\n external\n {\n _mint(_to, _tokenId);\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist or not called by contract owner\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function burn(address _owner, uint256 _tokenId)\n external\n onlyOwner\n {\n _burn(_owner, _tokenId);\n }\n}\n", + "2.0.0/tokens/ERC20Token/ERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC20Token.sol\";\n\n\ncontract ERC20Token is\n IERC20Token\n{\n mapping (address => uint256) internal balances;\n mapping (address => mapping (address => uint256)) internal allowed;\n\n uint256 internal _totalSupply;\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool)\n {\n require(\n balances[msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[msg.sender] -= _value;\n balances[_to] += _value;\n\n emit Transfer(\n msg.sender,\n _to,\n _value\n );\n\n return true;\n }\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowed[_from][msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n allowed[_from][msg.sender] -= _value;\n \n emit Transfer(\n _from,\n _to,\n _value\n );\n \n return true;\n }\n\n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool)\n {\n allowed[msg.sender][_spender] = _value;\n emit Approval(\n msg.sender,\n _spender,\n _value\n );\n return true;\n }\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256)\n {\n return _totalSupply;\n }\n\n /// @dev Query the balance of owner\n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n return balances[_owner];\n }\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256)\n {\n return allowed[_owner][_spender];\n }\n}\n", + "2.0.0/tokens/ERC20Token/IERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n \n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n \n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", + "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/SafeMath/SafeMath.sol\";\nimport \"./UnlimitedAllowanceERC20Token.sol\";\n\n\ncontract MintableERC20Token is \n SafeMath,\n UnlimitedAllowanceERC20Token\n{\n /// @dev Mints new tokens\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _value Amount of tokens to mint\n function _mint(address _to, uint256 _value)\n internal\n {\n balances[_to] = safeAdd(_value, balances[_to]);\n _totalSupply = safeAdd(_totalSupply, _value);\n\n emit Transfer(\n address(0),\n _to,\n _value\n );\n }\n\n /// @dev Mints new tokens\n /// @param _owner Owner of tokens that will be burned\n /// @param _value Amount of tokens to burn\n function _burn(address _owner, uint256 _value)\n internal\n {\n balances[_owner] = safeSub(balances[_owner], _value);\n _totalSupply = safeSub(_totalSupply, _value);\n\n emit Transfer(\n _owner,\n address(0),\n _value\n );\n }\n}\n", + "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/ERC20Token.sol\";\n\n\ncontract UnlimitedAllowanceERC20Token is\n ERC20Token\n{\n uint256 constant internal MAX_UINT = 2**256 - 1;\n\n /// @dev ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited allowance. See https://github.com/ethereum/EIPs/issues/717\n /// @param _from Address to transfer from.\n /// @param _to Address to transfer to.\n /// @param _value Amount to transfer.\n /// @return Success of transfer.\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n uint256 allowance = allowed[_from][msg.sender];\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowance >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n if (allowance < MAX_UINT) {\n allowed[_from][msg.sender] -= _value;\n }\n\n emit Transfer(\n _from,\n _to,\n _value\n );\n\n return true;\n }\n}\n", + "2.0.0/tokens/ERC721Token/ERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC721Token.sol\";\nimport \"./IERC721Receiver.sol\";\nimport \"../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract ERC721Token is\n IERC721Token,\n SafeMath\n{\n // Function selector for ERC721Receiver.onERC721Received\n // 0x150b7a02\n bytes4 constant internal ERC721_RECEIVED = bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"));\n\n // Mapping of tokenId => owner\n mapping (uint256 => address) internal owners;\n\n // Mapping of tokenId => approved address\n mapping (uint256 => address) internal approvals;\n\n // Mapping of owner => number of tokens owned\n mapping (address => uint256) internal balances;\n\n // Mapping of owner => operator => approved\n mapping (address => mapping (address => bool)) internal operatorApprovals;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n _data\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n \"\"\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external\n {\n address owner = ownerOf(_tokenId);\n require(\n msg.sender == owner || isApprovedForAll(owner, msg.sender),\n \"ERC721_INVALID_SENDER\"\n );\n\n approvals[_tokenId] = _approved;\n emit Approval(\n owner,\n _approved,\n _tokenId\n );\n }\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external\n {\n operatorApprovals[msg.sender][_operator] = _approved;\n emit ApprovalForAll(\n msg.sender,\n _operator,\n _approved\n );\n }\n \n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return balances[_owner];\n }\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = ownerOf(_tokenId);\n require(\n _from == owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n address spender = msg.sender;\n address approvedAddress = getApproved(_tokenId);\n require(\n spender == owner ||\n isApprovedForAll(owner, spender) ||\n approvedAddress == spender,\n \"ERC721_INVALID_SPENDER\"\n );\n\n if (approvedAddress != address(0)) {\n approvals[_tokenId] = address(0);\n }\n\n owners[_tokenId] = _to;\n balances[_from] = safeSub(balances[_from], 1);\n balances[_to] = safeAdd(balances[_to], 1);\n \n emit Transfer(\n _from,\n _to,\n _tokenId\n );\n }\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address)\n {\n address owner = owners[_tokenId];\n require(\n owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return owner;\n }\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId)\n public\n view\n returns (address)\n {\n return approvals[_tokenId];\n }\n\n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool)\n {\n return operatorApprovals[_owner][_operator];\n }\n}\n", + "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Receiver {\n\n /// @notice Handle the receipt of an NFT\n /// @dev The ERC721 smart contract calls this function on the recipient\n /// after a `transfer`. This function MAY throw to revert and reject the\n /// transfer. Return of other than the magic value MUST result in the\n /// transaction being reverted.\n /// Note: the contract address is always the message sender.\n /// @param _operator The address which called `safeTransferFrom` function\n /// @param _from The address which previously owned the token\n /// @param _tokenId The NFT identifier which is being transferred\n /// @param _data Additional data with no specified format\n /// @return `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`\n /// unless throwing\n function onERC721Received(\n address _operator,\n address _from,\n uint256 _tokenId,\n bytes _data\n )\n external\n returns (bytes4);\n}\n", + "2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Token {\n\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(\n address indexed _owner,\n address indexed _approved,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(\n address indexed _owner,\n address indexed _operator,\n bool _approved\n );\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// perator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external;\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public;\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address);\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) \n public\n view\n returns (address);\n \n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool);\n}\n", + "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./ERC721Token.sol\";\n\n\ncontract MintableERC721Token is\n ERC721Token\n{\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function _mint(address _to, uint256 _tokenId)\n internal\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == address(0),\n \"ERC721_OWNER_ALREADY_EXISTS\"\n );\n\n owners[_tokenId] = _to;\n balances[_to] = safeAdd(balances[_to], 1);\n\n emit Transfer(\n address(0),\n _to,\n _tokenId\n );\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function _burn(address _owner, uint256 _tokenId)\n internal\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == _owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n owners[_tokenId] = address(0);\n balances[_owner] = safeSub(balances[_owner], 1);\n\n emit Transfer(\n _owner,\n address(0),\n _tokenId\n );\n }\n}\n", + "2.0.0/tokens/EtherToken/IEtherToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/IERC20Token.sol\";\n\n\ncontract IEtherToken is\n IERC20Token\n{\n function deposit()\n public\n payable;\n \n function withdraw(uint256 amount)\n public;\n}\n", + "2.0.0/utils/LibBytes/LibBytes.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\nlibrary LibBytes {\n\n using LibBytes for bytes;\n\n /// @dev Gets the memory address for a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of byte array. This\n /// points to the header of the byte array which contains\n /// the length.\n function rawAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := input\n }\n return memoryAddress;\n }\n \n /// @dev Gets the memory address for the contents of a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of the contents of the byte array.\n function contentAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := add(input, 32)\n }\n return memoryAddress;\n }\n\n /// @dev Copies `length` bytes from memory location `source` to `dest`.\n /// @param dest memory address to copy bytes to.\n /// @param source memory address to copy bytes from.\n /// @param length number of bytes to copy.\n function memCopy(\n uint256 dest,\n uint256 source,\n uint256 length\n )\n internal\n pure\n {\n if (length < 32) {\n // Handle a partial word by reading destination and masking\n // off the bits we are interested in.\n // This correctly handles overlap, zero lengths and source == dest\n assembly {\n let mask := sub(exp(256, sub(32, length)), 1)\n let s := and(mload(source), not(mask))\n let d := and(mload(dest), mask)\n mstore(dest, or(s, d))\n }\n } else {\n // Skip the O(length) loop when source == dest.\n if (source == dest) {\n return;\n }\n\n // For large copies we copy whole words at a time. The final\n // word is aligned to the end of the range (instead of after the\n // previous) to handle partial words. So a copy will look like this:\n //\n // ####\n // ####\n // ####\n // ####\n //\n // We handle overlap in the source and destination range by\n // changing the copying direction. This prevents us from\n // overwriting parts of source that we still need to copy.\n //\n // This correctly handles source == dest\n //\n if (source > dest) {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because it\n // is easier to compare with in the loop, and these\n // are also the addresses we need for copying the\n // last bytes.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the last 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the last bytes in\n // source already due to overlap.\n let last := mload(sEnd)\n\n // Copy whole words front to back\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} lt(source, sEnd) {} {\n mstore(dest, mload(source))\n source := add(source, 32)\n dest := add(dest, 32)\n }\n \n // Write the last 32 bytes\n mstore(dEnd, last)\n }\n } else {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because those\n // are the starting points when copying a word at the end.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the first 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the first bytes in\n // source already due to overlap.\n let first := mload(source)\n\n // Copy whole words back to front\n // We use a signed comparisson here to allow dEnd to become\n // negative (happens when source and dest < 32). Valid\n // addresses in local memory will never be larger than\n // 2**255, so they can be safely re-interpreted as signed.\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} slt(dest, dEnd) {} {\n mstore(dEnd, mload(sEnd))\n sEnd := sub(sEnd, 32)\n dEnd := sub(dEnd, 32)\n }\n \n // Write the first 32 bytes\n mstore(dest, first)\n }\n }\n }\n }\n\n /// @dev Returns a slices from a byte array.\n /// @param b The byte array to take a slice from.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n function slice(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure and copy contents\n result = new bytes(to - from);\n memCopy(\n result.contentAddress(),\n b.contentAddress() + from,\n result.length\n );\n return result;\n }\n \n /// @dev Returns a slice from a byte array without preserving the input.\n /// @param b The byte array to take a slice from. Will be destroyed in the process.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n /// @dev When `from == 0`, the original array will match the slice. In other cases its state will be corrupted.\n function sliceDestructive(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure around [from, to) in-place.\n assembly {\n result := add(b, from)\n mstore(result, sub(to, from))\n }\n return result;\n }\n\n /// @dev Pops the last byte off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The byte that was popped off.\n function popLastByte(bytes memory b)\n internal\n pure\n returns (bytes1 result)\n {\n require(\n b.length > 0,\n \"GREATER_THAN_ZERO_LENGTH_REQUIRED\"\n );\n\n // Store last byte.\n result = b[b.length - 1];\n\n assembly {\n // Decrement length of byte array.\n let newLen := sub(mload(b), 1)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Pops the last 20 bytes off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The 20 byte address that was popped off.\n function popLast20Bytes(bytes memory b)\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= 20,\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Store last 20 bytes.\n result = readAddress(b, b.length - 20);\n\n assembly {\n // Subtract 20 from byte array length.\n let newLen := sub(mload(b), 20)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Tests equality of two byte arrays.\n /// @param lhs First byte array to compare.\n /// @param rhs Second byte array to compare.\n /// @return True if arrays are the same. False otherwise.\n function equals(\n bytes memory lhs,\n bytes memory rhs\n )\n internal\n pure\n returns (bool equal)\n {\n // Keccak gas cost is 30 + numWords * 6. This is a cheap way to compare.\n // We early exit on unequal lengths, but keccak would also correctly\n // handle this.\n return lhs.length == rhs.length && keccak256(lhs) == keccak256(rhs);\n }\n\n /// @dev Reads an address from a position in a byte array.\n /// @param b Byte array containing an address.\n /// @param index Index in byte array of address.\n /// @return address from byte array.\n function readAddress(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Read address from array memory\n assembly {\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 20-byte mask to obtain address\n result := and(mload(add(b, index)), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n return result;\n }\n\n /// @dev Writes an address into a specific position in a byte array.\n /// @param b Byte array to insert address into.\n /// @param index Index in byte array of address.\n /// @param input Address to put into byte array.\n function writeAddress(\n bytes memory b,\n uint256 index,\n address input\n )\n internal\n pure\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Store address into array memory\n assembly {\n // The address occupies 20 bytes and mstore stores 32 bytes.\n // First fetch the 32-byte word where we'll be storing the address, then\n // apply a mask so we have only the bytes in the word that the address will not occupy.\n // Then combine these bytes with the address and store the 32 bytes back to memory with mstore.\n\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 12-byte mask to obtain extra bytes occupying word of memory where we'll store the address\n let neighbors := and(\n mload(add(b, index)),\n 0xffffffffffffffffffffffff0000000000000000000000000000000000000000\n )\n \n // Make sure input address is clean.\n // (Solidity does not guarantee this)\n input := and(input, 0xffffffffffffffffffffffffffffffffffffffff)\n\n // Store the neighbors and address into memory\n mstore(add(b, index), xor(input, neighbors))\n }\n }\n\n /// @dev Reads a bytes32 value from a position in a byte array.\n /// @param b Byte array containing a bytes32 value.\n /// @param index Index in byte array of bytes32 value.\n /// @return bytes32 value from byte array.\n function readBytes32(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes32 result)\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n result := mload(add(b, index))\n }\n return result;\n }\n\n /// @dev Writes a bytes32 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes32 to put into byte array.\n function writeBytes32(\n bytes memory b,\n uint256 index,\n bytes32 input\n )\n internal\n pure\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n mstore(add(b, index), input)\n }\n }\n\n /// @dev Reads a uint256 value from a position in a byte array.\n /// @param b Byte array containing a uint256 value.\n /// @param index Index in byte array of uint256 value.\n /// @return uint256 value from byte array.\n function readUint256(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (uint256 result)\n {\n result = uint256(readBytes32(b, index));\n return result;\n }\n\n /// @dev Writes a uint256 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input uint256 to put into byte array.\n function writeUint256(\n bytes memory b,\n uint256 index,\n uint256 input\n )\n internal\n pure\n {\n writeBytes32(b, index, bytes32(input));\n }\n\n /// @dev Reads an unpadded bytes4 value from a position in a byte array.\n /// @param b Byte array containing a bytes4 value.\n /// @param index Index in byte array of bytes4 value.\n /// @return bytes4 value from byte array.\n function readBytes4(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes4 result)\n {\n require(\n b.length >= index + 4,\n \"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 32 byte length field\n index += 32;\n\n // Read the bytes4 from array memory\n assembly {\n result := mload(add(b, index))\n // Solidity does not require us to clean the trailing bytes.\n // We do it anyway\n result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)\n }\n return result;\n }\n\n /// @dev Reads nested bytes from a specific position.\n /// @dev NOTE: the returned value overlaps with the input value.\n /// Both should be treated as immutable.\n /// @param b Byte array containing nested bytes.\n /// @param index Index of nested bytes.\n /// @return result Nested bytes.\n function readBytesWithLength(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes memory result)\n {\n // Read length of nested bytes\n uint256 nestedBytesLength = readUint256(b, index);\n index += 32;\n\n // Assert length of is valid, given\n // length of nested bytes\n require(\n b.length >= index + nestedBytesLength,\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n \n // Return a pointer to the byte array as it exists inside `b`\n assembly {\n result := add(b, index)\n }\n return result;\n }\n\n /// @dev Inserts bytes at a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes to insert.\n function writeBytesWithLength(\n bytes memory b,\n uint256 index,\n bytes memory input\n )\n internal\n pure\n {\n // Assert length of is valid, given\n // length of input\n require(\n b.length >= index + 32 + input.length, // 32 bytes to store length\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n\n // Copy into \n memCopy(\n b.contentAddress() + index,\n input.rawAddress(), // includes length of \n input.length + 32 // +32 bytes to store length\n );\n }\n\n /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length.\n /// @param dest Byte array that will be overwritten with source bytes.\n /// @param source Byte array to copy onto dest bytes.\n function deepCopyBytes(\n bytes memory dest,\n bytes memory source\n )\n internal\n pure\n {\n uint256 sourceLen = source.length;\n // Dest length must be >= source length, or some bytes would not be copied.\n require(\n dest.length >= sourceLen,\n \"GREATER_OR_EQUAL_TO_SOURCE_BYTES_LENGTH_REQUIRED\"\n );\n memCopy(\n dest.contentAddress(),\n source.contentAddress(),\n sourceLen\n );\n }\n}\n", + "2.0.0/utils/Ownable/IOwnable.sol": "pragma solidity 0.4.24;\n\n\ncontract IOwnable {\n\n function transferOwnership(address newOwner)\n public;\n}\n", + "2.0.0/utils/Ownable/Ownable.sol": "pragma solidity 0.4.24;\n\nimport \"./IOwnable.sol\";\n\n\ncontract Ownable is\n IOwnable\n{\n address public owner;\n\n constructor ()\n public\n {\n owner = msg.sender;\n }\n\n modifier onlyOwner() {\n require(\n msg.sender == owner,\n \"ONLY_CONTRACT_OWNER\"\n );\n _;\n }\n\n function transferOwnership(address newOwner)\n public\n onlyOwner\n {\n if (newOwner != address(0)) {\n owner = newOwner;\n }\n }\n}\n", + "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ReentrancyGuard {\n\n // Locked state of mutex\n bool private locked = false;\n\n /// @dev Functions with this modifer cannot be reentered. The mutex will be locked\n /// before function execution and unlocked after.\n modifier nonReentrant() {\n // Ensure mutex is unlocked\n require(\n !locked,\n \"REENTRANCY_ILLEGAL\"\n );\n\n // Lock mutex before function call\n locked = true;\n\n // Perform function call\n _;\n\n // Unlock mutex after function call\n locked = false;\n }\n}\n", + "2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n\n function safeMul(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(\n c / a == b,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function safeDiv(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a / b;\n return c;\n }\n\n function safeSub(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n require(\n b <= a,\n \"UINT256_UNDERFLOW\"\n );\n return a - b;\n }\n\n function safeAdd(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a + b;\n require(\n c >= a,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function max64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n\n function max256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n}\n" + }, + "sourceTreeHashHex": "0xbd0ac9751d7681f909fd16b969568f4dfcee9893e0b084aa1b198b6bb38f8f48", + "compiler": { + "name": "solc", + "version": "soljson-v0.4.24+commit.e67f0147.js", + "settings": { + "optimizer": { + "enabled": true, + "runs": 1000000 + }, + "outputSelection": { + "*": { + "*": [ + "abi", + "evm.bytecode.object", + "evm.bytecode.sourceMap", + "evm.deployedBytecode.object", + "evm.deployedBytecode.sourceMap" + ] + } + } + } + }, + "networks": { + "3": { + "address": "0xff67881f8d12f372d91baae9752eb3631ff0ed00", + "links": {}, + "constructorArgs": "[\"0x Protocol Token\",\"ZRX\",\"18\",\"1000000000000000000000000000\"]" + }, + "42": { + "address": "0x2002d3812f58e35f0ea1ffbf80a75a38c32175fa", + "links": {}, + "constructorArgs": "[\"0x Protocol Token\",\"ZRX\",\"18\",\"1000000000000000000000000000\"]" + }, + "50": { + "address": "0x871dd7c2b4b25e1aa18728e9d5f2af4c4e431f5c", + "links": {}, + "constructorArgs": "[\"0x Protocol Token\",\"ZRX\",\"18\",\"115792089237316195423570985008687907853269984665640564039457584007913129639935\"]" + } + } +} diff --git a/packages/migrations/artifacts/2.0.0-testnet/DummyERC721Token.json b/packages/migrations/artifacts/2.0.0-testnet/DummyERC721Token.json new file mode 100644 index 000000000..f0363ad81 --- /dev/null +++ b/packages/migrations/artifacts/2.0.0-testnet/DummyERC721Token.json @@ -0,0 +1,672 @@ +{ + "schemaVersion": "2.0.0", + "contractName": "DummyERC721Token", + "compilerOutput": { + "abi": [ + { + "constant": true, + "inputs": [], + "name": "name", + "outputs": [ + { + "name": "", + "type": "string" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "_tokenId", + "type": "uint256" + } + ], + "name": "getApproved", + "outputs": [ + { + "name": "", + "type": "address" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_approved", + "type": "address" + }, + { + "name": "_tokenId", + "type": "uint256" + } + ], + "name": "approve", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_from", + "type": "address" + }, + { + "name": "_to", + "type": "address" + }, + { + "name": "_tokenId", + "type": "uint256" + } + ], + "name": "transferFrom", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_to", + "type": "address" + }, + { + "name": "_tokenId", + "type": "uint256" + } + ], + "name": "mint", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_from", + "type": "address" + }, + { + "name": "_to", + "type": "address" + }, + { + "name": "_tokenId", + "type": "uint256" + } + ], + "name": "safeTransferFrom", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "_tokenId", + "type": "uint256" + } + ], + "name": "ownerOf", + "outputs": [ + { + "name": "", + "type": "address" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "_owner", + "type": "address" + } + ], + "name": "balanceOf", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "owner", + "outputs": [ + { + "name": "", + "type": "address" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "symbol", + "outputs": [ + { + "name": "", + "type": "string" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_owner", + "type": "address" + }, + { + "name": "_tokenId", + "type": "uint256" + } + ], + "name": "burn", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_operator", + "type": "address" + }, + { + "name": "_approved", + "type": "bool" + } + ], + "name": "setApprovalForAll", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_from", + "type": "address" + }, + { + "name": "_to", + "type": "address" + }, + { + "name": "_tokenId", + "type": "uint256" + }, + { + "name": "_data", + "type": "bytes" + } + ], + "name": "safeTransferFrom", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "_owner", + "type": "address" + }, + { + "name": "_operator", + "type": "address" + } + ], + "name": "isApprovedForAll", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "newOwner", + "type": "address" + } + ], + "name": "transferOwnership", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "inputs": [ + { + "name": "_name", + "type": "string" + }, + { + "name": "_symbol", + "type": "string" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "constructor" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "_from", + "type": "address" + }, + { + "indexed": true, + "name": "_to", + "type": "address" + }, + { + "indexed": true, + "name": "_tokenId", + "type": "uint256" + } + ], + "name": "Transfer", + "type": "event" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "_owner", + "type": "address" + }, + { + "indexed": true, + "name": "_approved", + "type": "address" + }, + { + "indexed": true, + "name": "_tokenId", + "type": "uint256" + } + ], + "name": "Approval", + "type": "event" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "_owner", + "type": "address" + }, + { + "indexed": true, + "name": "_operator", + "type": "address" + }, + { + "indexed": false, + "name": "_approved", + "type": "bool" + } + ], + "name": "ApprovalForAll", + "type": "event" + } + ], + "evm": { + "bytecode": { + "linkReferences": {}, + "object": 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PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3FC JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x1075 JUMP JUMPDEST PUSH1 0x5 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x4C2 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x497 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x4C2 JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x4A5 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP DUP2 JUMP JUMPDEST PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x4FD DUP3 PUSH2 0xB50 JUMP JUMPDEST SWAP1 POP CALLER PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND EQ DUP1 PUSH2 0x528 JUMPI POP PUSH2 0x528 DUP2 CALLER PUSH2 0x103A JUMP JUMPDEST ISZERO ISZERO PUSH2 0x595 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F53454E4445520000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 DUP2 AND SWAP2 DUP3 OR SWAP1 SWAP3 SSTORE SWAP2 MLOAD DUP6 SWAP4 SWAP2 DUP6 AND SWAP2 PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 SWAP2 LOG4 POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP6 AND ISZERO ISZERO PUSH2 0x69E JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F544F5F4144445245535300000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH2 0x6A7 DUP5 PUSH2 0xB50 JUMP JUMPDEST SWAP3 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 DUP2 AND SWAP1 DUP5 AND EQ PUSH2 0x730 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F4F574E45525F4D49534D415443480000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST CALLER SWAP2 POP PUSH2 0x73C DUP5 PUSH2 0x4CA JUMP JUMPDEST SWAP1 POP DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ DUP1 PUSH2 0x77D JUMPI POP PUSH2 0x77D DUP4 DUP4 PUSH2 0x103A JUMP JUMPDEST DUP1 PUSH2 0x7B3 JUMPI POP DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ JUMPDEST ISZERO ISZERO PUSH2 0x820 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F5350454E44455200000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0x871 JUMPI PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND SWAP1 SSTORE JUMPDEST PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP12 DUP2 AND SWAP2 SWAP1 SWAP2 OR SWAP1 SWAP2 SSTORE DUP11 AND DUP5 MSTORE PUSH1 0x3 SWAP1 SWAP2 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD PUSH2 0x8DB SWAP2 PUSH2 0x115B JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP9 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 SWAP4 SWAP1 SWAP4 SSTORE SWAP1 DUP8 AND DUP2 MSTORE KECCAK256 SLOAD PUSH2 0x918 SWAP1 PUSH1 0x1 PUSH2 0x11D2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP8 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 SWAP5 SWAP1 SWAP5 SSTORE SWAP3 MLOAD DUP8 SWAP4 SWAP2 SWAP3 DUP11 AND SWAP2 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP2 LOG4 POP POP POP POP POP POP JUMP JUMPDEST PUSH2 0x981 DUP3 DUP3 PUSH2 0x124D JUMP JUMPDEST POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0x993 DUP6 DUP6 DUP6 PUSH2 0x616 JUMP JUMPDEST DUP4 EXTCODESIZE SWAP2 POP PUSH1 0x0 DUP3 GT ISZERO PUSH2 0xB49 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x150B7A0200000000000000000000000000000000000000000000000000000000 DUP2 MSTORE CALLER PUSH1 0x4 DUP3 ADD MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 DUP2 AND PUSH1 0x24 DUP4 ADD MSTORE PUSH1 0x44 DUP3 ADD DUP7 SWAP1 MSTORE PUSH1 0x80 PUSH1 0x64 DUP4 ADD MSTORE PUSH1 0x0 PUSH1 0x84 DUP4 ADD DUP2 SWAP1 MSTORE SWAP3 MLOAD SWAP1 DUP8 AND SWAP3 PUSH4 0x150B7A02 SWAP3 PUSH1 0xC4 DUP1 DUP3 ADD SWAP4 PUSH1 0x20 SWAP4 SWAP1 SWAP3 DUP4 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 DUP3 SWAP1 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0xA30 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0xA44 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x20 DUP2 LT ISZERO PUSH2 0xA5A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP MLOAD PUSH1 0x40 DUP1 MLOAD PUSH32 0x6F6E455243373231526563656976656428616464726573732C61646472657373 DUP2 MSTORE PUSH32 0x2C75696E743235362C6279746573290000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x2F ADD SWAP1 KECCAK256 SWAP1 SWAP2 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP1 DUP4 AND SWAP2 AND EQ PUSH2 0xB49 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x17 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F53454C4543544F52000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP1 ISZERO ISZERO PUSH2 0xBE3 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F4F574E4552000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND ISZERO ISZERO PUSH2 0xC6F JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F4F574E4552000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD SWAP1 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x6 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x4C2 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x497 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x4C2 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xDB3 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH2 0x981 DUP3 DUP3 PUSH2 0x1425 JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP1 DUP6 MSTORE SWAP1 DUP4 MSTORE SWAP3 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND DUP7 ISZERO ISZERO SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP2 MLOAD SWAP1 DUP2 MSTORE SWAP1 MLOAD SWAP3 SWAP4 SWAP3 PUSH32 0x17307EAB39AB6107E8899845AD3D59BD9653F200F220920489CA2B5937696C31 SWAP3 SWAP2 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0xE64 DUP8 DUP8 DUP8 PUSH2 0x616 JUMP JUMPDEST DUP6 EXTCODESIZE SWAP2 POP PUSH1 0x0 DUP3 GT ISZERO PUSH2 0x1031 JUMPI PUSH1 0x40 MLOAD PUSH32 0x150B7A0200000000000000000000000000000000000000000000000000000000 DUP2 MSTORE CALLER PUSH1 0x4 DUP3 ADD DUP2 DUP2 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP11 DUP2 AND PUSH1 0x24 DUP6 ADD MSTORE PUSH1 0x44 DUP5 ADD DUP10 SWAP1 MSTORE PUSH1 0x80 PUSH1 0x64 DUP6 ADD SWAP1 DUP2 MSTORE PUSH1 0x84 DUP6 ADD DUP9 SWAP1 MSTORE SWAP1 DUP11 AND SWAP4 PUSH4 0x150B7A02 SWAP4 SWAP3 DUP13 SWAP3 DUP12 SWAP3 DUP12 SWAP3 DUP12 SWAP3 SWAP1 SWAP2 PUSH1 0xA4 ADD DUP5 DUP5 DUP1 DUP3 DUP5 CALLDATACOPY DUP3 ADD SWAP2 POP POP SWAP7 POP POP POP POP POP POP POP PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0xF18 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0xF2C JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x20 DUP2 LT ISZERO PUSH2 0xF42 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP MLOAD PUSH1 0x40 DUP1 MLOAD PUSH32 0x6F6E455243373231526563656976656428616464726573732C61646472657373 DUP2 MSTORE PUSH32 0x2C75696E743235362C6279746573290000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x2F ADD SWAP1 KECCAK256 SWAP1 SWAP2 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP1 DUP4 AND SWAP2 AND EQ PUSH2 0x1031 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x17 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F53454C4543544F52000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP POP POP POP POP POP POP JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP2 DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP4 SWAP1 SWAP5 AND DUP3 MSTORE SWAP2 SWAP1 SWAP2 MSTORE KECCAK256 SLOAD PUSH1 0xFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x10FB JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0x1158 JUMPI PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND OR SWAP1 SSTORE JUMPDEST POP JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 GT ISZERO PUSH2 0x11CC JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F554E444552464C4F57000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP SWAP1 SUB SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 ADD DUP4 DUP2 LT ISZERO PUSH2 0x1246 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND ISZERO ISZERO PUSH2 0x12D3 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F544F5F4144445245535300000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP1 ISZERO PUSH2 0x1366 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1B PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F4F574E45525F414C52454144595F4558495354530000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP10 AND SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP5 MSTORE PUSH1 0x3 SWAP1 SWAP2 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD PUSH2 0x13CC SWAP2 PUSH2 0x11D2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 SWAP4 SWAP1 SWAP4 SSTORE SWAP2 MLOAD DUP5 SWAP3 SWAP1 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP1 DUP3 SWAP1 LOG4 POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND ISZERO ISZERO PUSH2 0x14AB JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x19 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F4F574E45525F4144445245535300000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 DUP2 AND SWAP1 DUP4 AND DUP2 EQ PUSH2 0x1543 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F4F574E45525F4D49534D415443480000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND SWAP1 SSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP5 MSTORE PUSH1 0x3 SWAP1 SWAP2 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD PUSH2 0x15A5 SWAP2 PUSH2 0x115B JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 SWAP4 SWAP1 SWAP4 SSTORE SWAP2 MLOAD DUP5 SWAP3 SWAP2 SWAP1 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP1 DUP4 SWAP1 LOG4 POP POP POP JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 0xb4 CREATE 0xe9 SWAP3 RETURNDATASIZE 0xf6 DUP2 0xb3 SWAP13 PUSH22 0xC35907B3B53E3D18D5D27A56215BE103C035936A9E0 STOP 0x29 ", + "sourceMap": "743:1013:51:-;;;866:139;8:9:-1;5:2;;;30:1;27;20:12;5:2;866:139:51;;;;;;;;;;;;;;;;;;;;;162:5:63;:18;;-1:-1:-1;;;;;;162:18:63;170:10;162:18;;;866:139:51;;;960:12;;866:139;;;;;;;960:12;;:4;;:12;;;;;:::i;:::-;-1:-1:-1;982:16:51;;;;:6;;:16;;;;;:::i;:::-;;866:139;;743:1013;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;743:1013:51;;;-1:-1:-1;743:1013:51;:::i;:::-;;;:::o;:::-;;;;;;;;;;;;;;;;;;;;:::o;:::-;;;;;;;" + }, + "deployedBytecode": { + "linkReferences": {}, + "object": 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0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x4F2 JUMP JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1E9 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x616 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x220 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x977 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x251 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x985 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x288 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x181 PUSH1 0x4 CALLDATALOAD PUSH2 0xB50 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2A0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0xBE9 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2E0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x181 PUSH2 0xC98 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2F5 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xF4 PUSH2 0xCB4 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x30A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0xD2D JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x33B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD ISZERO ISZERO PUSH2 0xDBD JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x36E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 DUP1 CALLDATALOAD DUP3 AND SWAP2 PUSH1 0x24 DUP1 CALLDATALOAD SWAP1 SWAP2 AND SWAP2 PUSH1 0x44 CALLDATALOAD SWAP2 PUSH1 0x64 CALLDATALOAD SWAP1 DUP2 ADD SWAP2 ADD CALLDATALOAD PUSH2 0xE56 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3B4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x3DC PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0x103A JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3FC JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x1075 JUMP JUMPDEST PUSH1 0x5 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x4C2 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x497 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x4C2 JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x4A5 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP DUP2 JUMP JUMPDEST PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x4FD DUP3 PUSH2 0xB50 JUMP JUMPDEST SWAP1 POP CALLER PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND EQ DUP1 PUSH2 0x528 JUMPI POP PUSH2 0x528 DUP2 CALLER PUSH2 0x103A JUMP JUMPDEST ISZERO ISZERO PUSH2 0x595 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F53454E4445520000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 DUP2 AND SWAP2 DUP3 OR SWAP1 SWAP3 SSTORE SWAP2 MLOAD DUP6 SWAP4 SWAP2 DUP6 AND SWAP2 PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 SWAP2 LOG4 POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP6 AND ISZERO ISZERO PUSH2 0x69E JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F544F5F4144445245535300000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH2 0x6A7 DUP5 PUSH2 0xB50 JUMP JUMPDEST SWAP3 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 DUP2 AND SWAP1 DUP5 AND EQ PUSH2 0x730 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F4F574E45525F4D49534D415443480000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST CALLER SWAP2 POP PUSH2 0x73C DUP5 PUSH2 0x4CA JUMP JUMPDEST SWAP1 POP DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ DUP1 PUSH2 0x77D JUMPI POP PUSH2 0x77D DUP4 DUP4 PUSH2 0x103A JUMP JUMPDEST DUP1 PUSH2 0x7B3 JUMPI POP DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ JUMPDEST ISZERO ISZERO PUSH2 0x820 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F5350454E44455200000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0x871 JUMPI PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND SWAP1 SSTORE JUMPDEST PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP12 DUP2 AND SWAP2 SWAP1 SWAP2 OR SWAP1 SWAP2 SSTORE DUP11 AND DUP5 MSTORE PUSH1 0x3 SWAP1 SWAP2 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD PUSH2 0x8DB SWAP2 PUSH2 0x115B JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP9 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 SWAP4 SWAP1 SWAP4 SSTORE SWAP1 DUP8 AND DUP2 MSTORE KECCAK256 SLOAD PUSH2 0x918 SWAP1 PUSH1 0x1 PUSH2 0x11D2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP8 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 SWAP5 SWAP1 SWAP5 SSTORE SWAP3 MLOAD DUP8 SWAP4 SWAP2 SWAP3 DUP11 AND SWAP2 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP2 LOG4 POP POP POP POP POP POP JUMP JUMPDEST PUSH2 0x981 DUP3 DUP3 PUSH2 0x124D JUMP JUMPDEST POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0x993 DUP6 DUP6 DUP6 PUSH2 0x616 JUMP JUMPDEST DUP4 EXTCODESIZE SWAP2 POP PUSH1 0x0 DUP3 GT ISZERO PUSH2 0xB49 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x150B7A0200000000000000000000000000000000000000000000000000000000 DUP2 MSTORE CALLER PUSH1 0x4 DUP3 ADD MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 DUP2 AND PUSH1 0x24 DUP4 ADD MSTORE PUSH1 0x44 DUP3 ADD DUP7 SWAP1 MSTORE PUSH1 0x80 PUSH1 0x64 DUP4 ADD MSTORE PUSH1 0x0 PUSH1 0x84 DUP4 ADD DUP2 SWAP1 MSTORE SWAP3 MLOAD SWAP1 DUP8 AND SWAP3 PUSH4 0x150B7A02 SWAP3 PUSH1 0xC4 DUP1 DUP3 ADD SWAP4 PUSH1 0x20 SWAP4 SWAP1 SWAP3 DUP4 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 DUP3 SWAP1 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0xA30 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0xA44 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x20 DUP2 LT ISZERO PUSH2 0xA5A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP MLOAD PUSH1 0x40 DUP1 MLOAD PUSH32 0x6F6E455243373231526563656976656428616464726573732C61646472657373 DUP2 MSTORE PUSH32 0x2C75696E743235362C6279746573290000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x2F ADD SWAP1 KECCAK256 SWAP1 SWAP2 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP1 DUP4 AND SWAP2 AND EQ PUSH2 0xB49 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x17 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F53454C4543544F52000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP1 ISZERO ISZERO PUSH2 0xBE3 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F4F574E4552000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND ISZERO ISZERO PUSH2 0xC6F JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F4F574E4552000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD SWAP1 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x6 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x4C2 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x497 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x4C2 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xDB3 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH2 0x981 DUP3 DUP3 PUSH2 0x1425 JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP1 DUP6 MSTORE SWAP1 DUP4 MSTORE SWAP3 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND DUP7 ISZERO ISZERO SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP2 MLOAD SWAP1 DUP2 MSTORE SWAP1 MLOAD SWAP3 SWAP4 SWAP3 PUSH32 0x17307EAB39AB6107E8899845AD3D59BD9653F200F220920489CA2B5937696C31 SWAP3 SWAP2 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0xE64 DUP8 DUP8 DUP8 PUSH2 0x616 JUMP JUMPDEST DUP6 EXTCODESIZE SWAP2 POP PUSH1 0x0 DUP3 GT ISZERO PUSH2 0x1031 JUMPI PUSH1 0x40 MLOAD PUSH32 0x150B7A0200000000000000000000000000000000000000000000000000000000 DUP2 MSTORE CALLER PUSH1 0x4 DUP3 ADD DUP2 DUP2 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP11 DUP2 AND PUSH1 0x24 DUP6 ADD MSTORE PUSH1 0x44 DUP5 ADD DUP10 SWAP1 MSTORE PUSH1 0x80 PUSH1 0x64 DUP6 ADD SWAP1 DUP2 MSTORE PUSH1 0x84 DUP6 ADD DUP9 SWAP1 MSTORE SWAP1 DUP11 AND SWAP4 PUSH4 0x150B7A02 SWAP4 SWAP3 DUP13 SWAP3 DUP12 SWAP3 DUP12 SWAP3 DUP12 SWAP3 SWAP1 SWAP2 PUSH1 0xA4 ADD DUP5 DUP5 DUP1 DUP3 DUP5 CALLDATACOPY DUP3 ADD SWAP2 POP POP SWAP7 POP POP POP POP POP POP POP PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0xF18 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0xF2C JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x20 DUP2 LT ISZERO PUSH2 0xF42 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP MLOAD PUSH1 0x40 DUP1 MLOAD PUSH32 0x6F6E455243373231526563656976656428616464726573732C61646472657373 DUP2 MSTORE PUSH32 0x2C75696E743235362C6279746573290000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x2F ADD SWAP1 KECCAK256 SWAP1 SWAP2 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP1 DUP4 AND SWAP2 AND EQ PUSH2 0x1031 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x17 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F53454C4543544F52000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP POP POP POP POP POP POP JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP2 DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP4 SWAP1 SWAP5 AND DUP3 MSTORE SWAP2 SWAP1 SWAP2 MSTORE KECCAK256 SLOAD PUSH1 0xFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x10FB JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0x1158 JUMPI PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND OR SWAP1 SSTORE JUMPDEST POP JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 GT ISZERO PUSH2 0x11CC JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F554E444552464C4F57000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP SWAP1 SUB SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 ADD DUP4 DUP2 LT ISZERO PUSH2 0x1246 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND ISZERO ISZERO PUSH2 0x12D3 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F544F5F4144445245535300000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP1 ISZERO PUSH2 0x1366 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1B PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F4F574E45525F414C52454144595F4558495354530000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP10 AND SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP5 MSTORE PUSH1 0x3 SWAP1 SWAP2 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD PUSH2 0x13CC SWAP2 PUSH2 0x11D2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 SWAP4 SWAP1 SWAP4 SSTORE SWAP2 MLOAD DUP5 SWAP3 SWAP1 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP1 DUP3 SWAP1 LOG4 POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND ISZERO ISZERO PUSH2 0x14AB JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x19 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F4F574E45525F4144445245535300000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 DUP2 AND SWAP1 DUP4 AND DUP2 EQ PUSH2 0x1543 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F4F574E45525F4D49534D415443480000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND SWAP1 SSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP5 MSTORE PUSH1 0x3 SWAP1 SWAP2 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD PUSH2 0x15A5 SWAP2 PUSH2 0x115B JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 SWAP4 SWAP1 SWAP4 SSTORE SWAP2 MLOAD DUP5 SWAP3 SWAP2 SWAP1 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP1 DUP4 SWAP1 LOG4 POP POP POP JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 0xb4 CREATE 0xe9 SWAP3 RETURNDATASIZE 0xf6 DUP2 0xb3 SWAP13 PUSH22 0xC35907B3B53E3D18D5D27A56215BE103C035936A9E0 STOP 0x29 ", + "sourceMap": 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+ } + } + }, + "sources": { + "2.0.0/extensions/Forwarder/Forwarder.sol": { + "id": 0 + }, + "2.0.0/extensions/Forwarder/MixinAssets.sol": { + "id": 1 + }, + "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": { + "id": 2 + }, + "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": { + "id": 3 + }, + "2.0.0/extensions/Forwarder/MixinWeth.sol": { + "id": 4 + }, + "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": { + "id": 5 + }, + "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": { + "id": 6 + }, + "2.0.0/extensions/Forwarder/libs/LibConstants.sol": { + "id": 7 + }, + "2.0.0/extensions/Forwarder/mixins/MAssets.sol": { + "id": 8 + }, + "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": { + "id": 9 + }, + "2.0.0/extensions/Forwarder/mixins/MWeth.sol": { + "id": 10 + }, + "2.0.0/extensions/OrderValidator/OrderValidator.sol": { + "id": 11 + }, + "2.0.0/multisig/MultiSigWallet.sol": { + "id": 12 + }, + "2.0.0/multisig/MultiSigWalletWithTimeLock.sol": { + "id": 13 + }, + "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": { + "id": 14 + }, + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": { + "id": 15 + }, + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": { + "id": 16 + }, + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": { + "id": 17 + }, + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": { + "id": 18 + }, + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": { + "id": 19 + }, + "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": { + "id": 20 + }, + "2.0.0/protocol/Exchange/Exchange.sol": { + "id": 21 + }, + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": { + "id": 22 + }, + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": { + "id": 23 + }, + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": { + "id": 24 + }, + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": { + "id": 25 + }, + "2.0.0/protocol/Exchange/MixinTransactions.sol": { + "id": 26 + }, + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": { + "id": 27 + }, + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": { + "id": 28 + }, + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": { + "id": 29 + }, + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": { + "id": 30 + }, + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": { + "id": 31 + }, + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": { + "id": 32 + }, + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": { + "id": 33 + }, + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": { + "id": 34 + }, + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": { + "id": 35 + }, + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": { + "id": 36 + }, + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": { + "id": 37 + }, + "2.0.0/protocol/Exchange/libs/LibConstants.sol": { + "id": 38 + }, + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": { + "id": 39 + }, + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": { + "id": 40 + }, + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": { + "id": 41 + }, + "2.0.0/protocol/Exchange/libs/LibMath.sol": { + "id": 42 + }, + "2.0.0/protocol/Exchange/libs/LibOrder.sol": { + "id": 43 + }, + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": { + "id": 44 + }, + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": { + "id": 45 + }, + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": { + "id": 46 + }, + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": { + "id": 47 + }, + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": { + "id": 48 + }, + "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": { + "id": 49 + }, + "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": { + "id": 50 + }, + "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": { + "id": 51 + }, + "2.0.0/tokens/ERC20Token/ERC20Token.sol": { + "id": 52 + }, + "2.0.0/tokens/ERC20Token/IERC20Token.sol": { + "id": 53 + }, + "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": { + "id": 54 + }, + "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": { + "id": 55 + }, + "2.0.0/tokens/ERC721Token/ERC721Token.sol": { + "id": 56 + }, + "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": { + "id": 57 + }, + "2.0.0/tokens/ERC721Token/IERC721Token.sol": { + "id": 58 + }, + "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": { + "id": 59 + }, + "2.0.0/tokens/EtherToken/IEtherToken.sol": { + "id": 60 + }, + "2.0.0/utils/LibBytes/LibBytes.sol": { + "id": 61 + }, + "2.0.0/utils/Ownable/IOwnable.sol": { + "id": 62 + }, + "2.0.0/utils/Ownable/Ownable.sol": { + "id": 63 + }, + "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": { + "id": 64 + }, + "2.0.0/utils/SafeMath/SafeMath.sol": { + "id": 65 + } + }, + "sourceCodes": { + "2.0.0/extensions/Forwarder/Forwarder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinWeth.sol\";\nimport \"./MixinForwarderCore.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinAssets.sol\";\nimport \"./MixinExchangeWrapper.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Forwarder is\n LibConstants,\n MixinWeth,\n MixinAssets,\n MixinExchangeWrapper,\n MixinForwarderCore\n{\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n LibConstants(\n _exchange,\n _zrxAssetData,\n _wethAssetData\n )\n MixinForwarderCore()\n {}\n}\n", + "2.0.0/extensions/Forwarder/MixinAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MAssets.sol\";\n\n\ncontract MixinAssets is\n Ownable,\n LibConstants,\n MAssets\n{\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256(\"transfer(address,uint256)\"));\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external\n onlyOwner\n {\n transferAssetToSender(assetData, amount);\n }\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n bytes4 proxyId = assetData.readBytes4(0);\n\n if (proxyId == ERC20_DATA_ID) {\n transferERC20Token(assetData, amount);\n } else if (proxyId == ERC721_DATA_ID) {\n transferERC721Token(assetData, amount);\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n }\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n address token = assetData.readAddress(16);\n\n // Transfer tokens.\n // We do a raw call so we can check the success separate\n // from the return data.\n bool success = token.call(abi.encodeWithSelector(\n ERC20_TRANSFER_SELECTOR,\n msg.sender,\n amount\n ));\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n \n // Check return data.\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // value that evaluates to true.\n assembly {\n if returndatasize {\n success := 0\n if eq(returndatasize, 32) {\n // First 64 bytes of memory are reserved scratch space\n returndatacopy(0, 0, 32)\n success := mload(0)\n }\n }\n }\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n }\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n require(\n amount == 1,\n \"INVALID_AMOUNT\"\n );\n // Decode asset data.\n address token = assetData.readAddress(16);\n uint256 tokenId = assetData.readUint256(36);\n\n // Perform transfer.\n IERC721Token(token).transferFrom(\n address(this),\n msg.sender,\n tokenId\n );\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"../../protocol/Exchange/libs/LibAbiEncoder.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinExchangeWrapper is\n LibAbiEncoder,\n LibFillResults,\n LibMath,\n LibConstants,\n MExchangeWrapper\n{\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n address exchange = address(EXCHANGE);\n\n // Call `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := call(\n gas, // forward all gas\n exchange, // call address of Exchange contract\n 0, // transfer 0 wei\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of WETH to sell\n uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of WETH\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount;\n if (makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n\n require(\n makerAssetFilledAmount >= makerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n // Do nothing if zrxBuyAmount == 0\n if (zrxBuyAmount == 0) {\n return totalFillResults;\n }\n\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n uint256 zrxPurchased = 0;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // All of these are ZRX/WETH, so we can drop the respective assetData from calldata.\n orders[i].makerAssetData = zrxAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of ZRX to buy.\n uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased);\n\n // Convert the remaining amount of ZRX to buy into remaining amount\n // of WETH to sell, assuming entire amount can be sold in the current order.\n uint256 remainingWethSellAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees \n remainingZrxBuyAmount\n );\n\n // Attempt to sell the remaining amount of WETH.\n FillResults memory singleFillResult = fillOrderNoThrow(\n orders[i],\n safeAdd(remainingWethSellAmount, 1), // we add 1 wei to the fill amount to make up for rounding errors\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker.\n addFillResults(totalFillResults, singleFillResult);\n zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid);\n\n // Stop execution if the entire amount of ZRX has been bought.\n if (zrxPurchased >= zrxBuyAmount) {\n break;\n }\n }\n\n require(\n zrxPurchased >= zrxBuyAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\nimport \"./mixins/MAssets.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"./interfaces/IForwarderCore.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinForwarderCore is\n LibFillResults,\n LibMath,\n LibConstants,\n MWeth,\n MAssets,\n MExchangeWrapper,\n IForwarderCore\n{\n using LibBytes for bytes;\n\n /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf.\n constructor ()\n public\n {\n address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID);\n require(\n proxyAddress != address(0),\n \"UNREGISTERED_ASSET_PROXY\"\n );\n ETHER_TOKEN.approve(proxyAddress, MAX_UINT);\n ZRX_TOKEN.approve(proxyAddress, MAX_UINT);\n }\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 wethSellAmount;\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // Calculate amount of WETH that won't be spent on ETH fees.\n wethSellAmount = getPartialAmountFloor(\n PERCENTAGE_DENOMINATOR,\n safeAdd(PERCENTAGE_DENOMINATOR, feePercentage),\n msg.value\n );\n // Market sell available WETH.\n // ZRX fees are paid with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // 5% of WETH is reserved for filling feeOrders and paying feeRecipient.\n wethSellAmount = getPartialAmountFloor(\n MAX_WETH_FILL_PERCENTAGE,\n PERCENTAGE_DENOMINATOR,\n msg.value\n );\n // Market sell 95% of WETH.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // If the makerAsset is ZRX, it is not necessary to pay fees out of this\n // contracts's ZRX balance because fees are factored into the price of the order.\n orderFillResults = marketBuyExactZrxWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // Attemp to purchase desired amount of makerAsset.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketBuyExactAmountWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\n\n\ncontract MixinWeth is\n LibMath,\n LibConstants,\n MWeth\n{\n /// @dev Default payabale function, this allows us to withdraw WETH\n function ()\n public\n payable\n {\n require(\n msg.sender == address(ETHER_TOKEN),\n \"DEFAULT_FUNCTION_WETH_CONTRACT_ONLY\"\n );\n }\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal\n {\n require(\n msg.value > 0,\n \"INVALID_MSG_VALUE\"\n );\n ETHER_TOKEN.deposit.value(msg.value)();\n }\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal\n {\n // Ensure feePercentage is less than 5%.\n require(\n feePercentage <= MAX_FEE_PERCENTAGE,\n \"FEE_PERCENTAGE_TOO_LARGE\"\n );\n\n // Ensure that no extra WETH owned by this contract has been sold.\n uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx);\n require(\n wethSold <= msg.value,\n \"OVERSOLD_WETH\"\n );\n\n // Calculate amount of WETH that hasn't been sold.\n uint256 wethRemaining = safeSub(msg.value, wethSold);\n\n // Calculate ETH fee to pay to feeRecipient.\n uint256 ethFee = getPartialAmountFloor(\n feePercentage,\n PERCENTAGE_DENOMINATOR,\n wethSoldExcludingFeeOrders\n );\n\n // Ensure fee is less than amount of WETH remaining.\n require(\n ethFee <= wethRemaining,\n \"INSUFFICIENT_ETH_REMAINING\"\n );\n \n // Do nothing if no WETH remaining\n if (wethRemaining > 0) {\n // Convert remaining WETH to ETH\n ETHER_TOKEN.withdraw(wethRemaining);\n\n // Pay ETH to feeRecipient\n if (ethFee > 0) {\n feeRecipient.transfer(ethFee);\n }\n\n // Refund remaining ETH to msg.sender.\n uint256 ethRefund = safeSub(wethRemaining, ethFee);\n if (ethRefund > 0) {\n msg.sender.transfer(ethRefund);\n }\n }\n }\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssets {\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external;\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract IForwarderCore {\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n}\n", + "2.0.0/extensions/Forwarder/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/LibBytes/LibBytes.sol\";\nimport \"../../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../../tokens/EtherToken/IEtherToken.sol\";\nimport \"../../../tokens/ERC20Token/IERC20Token.sol\";\n\n\ncontract LibConstants {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n uint256 constant internal MAX_UINT = 2**256 - 1;\n uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; \n uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5%\n uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95%\n \n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n IEtherToken internal ETHER_TOKEN;\n IERC20Token internal ZRX_TOKEN;\n bytes internal ZRX_ASSET_DATA;\n bytes internal WETH_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n WETH_ASSET_DATA = _wethAssetData;\n\n address etherToken = _wethAssetData.readAddress(16);\n address zrxToken = _zrxAssetData.readAddress(16);\n ETHER_TOKEN = IEtherToken(etherToken);\n ZRX_TOKEN = IERC20Token(zrxToken);\n }\n}\n", + "2.0.0/extensions/Forwarder/mixins/MAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssets.sol\";\n\n\ncontract MAssets is\n IAssets\n{\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract MExchangeWrapper {\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n}\n", + "2.0.0/extensions/Forwarder/mixins/MWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract MWeth {\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal;\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal;\n}\n", + "2.0.0/extensions/OrderValidator/OrderValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract OrderValidator {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n struct TraderInfo {\n uint256 makerBalance; // Maker's balance of makerAsset\n uint256 makerAllowance; // Maker's allowance to corresponding AssetProxy\n uint256 takerBalance; // Taker's balance of takerAsset\n uint256 takerAllowance; // Taker's allowance to corresponding AssetProxy\n uint256 makerZrxBalance; // Maker's balance of ZRX\n uint256 makerZrxAllowance; // Maker's allowance of ZRX to ERC20Proxy\n uint256 takerZrxBalance; // Taker's balance of ZRX\n uint256 takerZrxAllowance; // Taker's allowance of ZRX to ERC20Proxy\n }\n\n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n bytes internal ZRX_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (address _exchange, bytes memory _zrxAssetData)\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n }\n\n /// @dev Fetches information for order and maker/taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return OrderInfo and TraderInfo instances for given order.\n function getOrderAndTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo, TraderInfo memory traderInfo)\n {\n orderInfo = EXCHANGE.getOrderInfo(order);\n traderInfo = getTraderInfo(order, takerAddress);\n return (orderInfo, traderInfo);\n }\n\n /// @dev Fetches information for all passed in orders and the makers/takers of each order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Arrays of OrderInfo and TraderInfo instances that correspond to each order.\n function getOrdersAndTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (LibOrder.OrderInfo[] memory ordersInfo, TraderInfo[] memory tradersInfo)\n {\n ordersInfo = EXCHANGE.getOrdersInfo(orders);\n tradersInfo = getTradersInfo(orders, takerAddresses);\n return (ordersInfo, tradersInfo);\n }\n\n /// @dev Fetches balance and allowances for maker and taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return Balances and allowances of maker and taker of order.\n function getTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (TraderInfo memory traderInfo)\n {\n (traderInfo.makerBalance, traderInfo.makerAllowance) = getBalanceAndAllowance(order.makerAddress, order.makerAssetData);\n (traderInfo.takerBalance, traderInfo.takerAllowance) = getBalanceAndAllowance(takerAddress, order.takerAssetData);\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n (traderInfo.makerZrxBalance, traderInfo.makerZrxAllowance) = getBalanceAndAllowance(order.makerAddress, zrxAssetData);\n (traderInfo.takerZrxBalance, traderInfo.takerZrxAllowance) = getBalanceAndAllowance(takerAddress, zrxAssetData);\n return traderInfo;\n }\n\n /// @dev Fetches balances and allowances of maker and taker for each provided order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Array of balances and allowances for maker and taker of each order.\n function getTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (TraderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n TraderInfo[] memory tradersInfo = new TraderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n tradersInfo[i] = getTraderInfo(orders[i], takerAddresses[i]);\n }\n return tradersInfo;\n }\n\n /// @dev Fetches token balances and allowances of an address to given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Encoded data that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balance of asset and allowance set to given proxy of asset.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalanceAndAllowance(address target, bytes memory assetData)\n public\n view\n returns (uint256 balance, uint256 allowance)\n {\n bytes4 assetProxyId = assetData.readBytes4(0);\n address token = assetData.readAddress(16);\n address assetProxy = EXCHANGE.getAssetProxy(assetProxyId);\n\n if (assetProxyId == ERC20_DATA_ID) {\n // Query balance\n balance = IERC20Token(token).balanceOf(target);\n\n // Query allowance\n allowance = IERC20Token(token).allowance(target, assetProxy);\n } else if (assetProxyId == ERC721_DATA_ID) {\n uint256 tokenId = assetData.readUint256(36);\n\n // Query owner of tokenId\n address owner = getERC721TokenOwner(token, tokenId);\n\n // Set balance to 1 if tokenId is owned by target\n balance = target == owner ? 1 : 0;\n\n // Check if ERC721Proxy is approved to spend tokenId\n bool isApproved = IERC721Token(token).isApprovedForAll(target, assetProxy) || IERC721Token(token).getApproved(tokenId) == assetProxy;\n \n // Set alowance to 1 if ERC721Proxy is approved to spend tokenId\n allowance = isApproved ? 1 : 0;\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n return (balance, allowance);\n }\n\n /// @dev Fetches token balances and allowances of an address for each given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Array of encoded byte arrays that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balances and allowances of assets.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalancesAndAllowances(address target, bytes[] memory assetData)\n public\n view\n returns (uint256[] memory, uint256[] memory)\n {\n uint256 length = assetData.length;\n uint256[] memory balances = new uint256[](length);\n uint256[] memory allowances = new uint256[](length);\n for (uint256 i = 0; i != length; i++) {\n (balances[i], allowances[i]) = getBalanceAndAllowance(target, assetData[i]);\n }\n return (balances, allowances);\n }\n\n /// @dev Calls `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token.\n /// @param token Address of ERC721 token.\n /// @param tokenId The identifier for the specific NFT.\n /// @return Owner of tokenId or null address if unowned.\n function getERC721TokenOwner(address token, uint256 tokenId)\n public\n view\n returns (address owner)\n {\n assembly {\n // load free memory pointer\n let cdStart := mload(64)\n\n // bytes4(keccak256(ownerOf(uint256))) = 0x6352211e\n mstore(cdStart, 0x6352211e00000000000000000000000000000000000000000000000000000000)\n mstore(add(cdStart, 4), tokenId)\n\n // staticcall `ownerOf(tokenId)`\n // `ownerOf` will revert if tokenId is not owned\n let success := staticcall(\n gas, // forward all gas\n token, // call token contract\n cdStart, // start of calldata\n 36, // length of input is 36 bytes\n cdStart, // write output over input\n 32 // size of output is 32 bytes\n )\n\n // Success implies that tokenId is owned\n // Copy owner from return data if successful\n if success {\n owner := mload(cdStart)\n } \n }\n\n // Owner initialized to address(0), no need to modify if call is unsuccessful\n return owner;\n }\n}\n", + "2.0.0/multisig/MultiSigWallet.sol": "// solhint-disable\npragma solidity ^0.4.15;\n\n\n/// @title Multisignature wallet - Allows multiple parties to agree on transactions before execution.\n/// @author Stefan George - \ncontract MultiSigWallet {\n\n /*\n * Events\n */\n event Confirmation(address indexed sender, uint indexed transactionId);\n event Revocation(address indexed sender, uint indexed transactionId);\n event Submission(uint indexed transactionId);\n event Execution(uint indexed transactionId);\n event ExecutionFailure(uint indexed transactionId);\n event Deposit(address indexed sender, uint value);\n event OwnerAddition(address indexed owner);\n event OwnerRemoval(address indexed owner);\n event RequirementChange(uint required);\n\n /*\n * Constants\n */\n uint constant public MAX_OWNER_COUNT = 50;\n\n /*\n * Storage\n */\n mapping (uint => Transaction) public transactions;\n mapping (uint => mapping (address => bool)) public confirmations;\n mapping (address => bool) public isOwner;\n address[] public owners;\n uint public required;\n uint public transactionCount;\n\n struct Transaction {\n address destination;\n uint value;\n bytes data;\n bool executed;\n }\n\n /*\n * Modifiers\n */\n modifier onlyWallet() {\n require(msg.sender == address(this));\n _;\n }\n\n modifier ownerDoesNotExist(address owner) {\n require(!isOwner[owner]);\n _;\n }\n\n modifier ownerExists(address owner) {\n require(isOwner[owner]);\n _;\n }\n\n modifier transactionExists(uint transactionId) {\n require(transactions[transactionId].destination != 0);\n _;\n }\n\n modifier confirmed(uint transactionId, address owner) {\n require(confirmations[transactionId][owner]);\n _;\n }\n\n modifier notConfirmed(uint transactionId, address owner) {\n require(!confirmations[transactionId][owner]);\n _;\n }\n\n modifier notExecuted(uint transactionId) {\n require(!transactions[transactionId].executed);\n _;\n }\n\n modifier notNull(address _address) {\n require(_address != 0);\n _;\n }\n\n modifier validRequirement(uint ownerCount, uint _required) {\n require(ownerCount <= MAX_OWNER_COUNT\n && _required <= ownerCount\n && _required != 0\n && ownerCount != 0);\n _;\n }\n\n /// @dev Fallback function allows to deposit ether.\n function()\n payable\n {\n if (msg.value > 0)\n Deposit(msg.sender, msg.value);\n }\n\n /*\n * Public functions\n */\n /// @dev Contract constructor sets initial owners and required number of confirmations.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n function MultiSigWallet(address[] _owners, uint _required)\n public\n validRequirement(_owners.length, _required)\n {\n for (uint i=0; i<_owners.length; i++) {\n require(!isOwner[_owners[i]] && _owners[i] != 0);\n isOwner[_owners[i]] = true;\n }\n owners = _owners;\n required = _required;\n }\n\n /// @dev Allows to add a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of new owner.\n function addOwner(address owner)\n public\n onlyWallet\n ownerDoesNotExist(owner)\n notNull(owner)\n validRequirement(owners.length + 1, required)\n {\n isOwner[owner] = true;\n owners.push(owner);\n OwnerAddition(owner);\n }\n\n /// @dev Allows to remove an owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner.\n function removeOwner(address owner)\n public\n onlyWallet\n ownerExists(owner)\n {\n isOwner[owner] = false;\n for (uint i=0; i owners.length)\n changeRequirement(owners.length);\n OwnerRemoval(owner);\n }\n\n /// @dev Allows to replace an owner with a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner to be replaced.\n /// @param newOwner Address of new owner.\n function replaceOwner(address owner, address newOwner)\n public\n onlyWallet\n ownerExists(owner)\n ownerDoesNotExist(newOwner)\n {\n for (uint i=0; i\n// solhint-disable not-rely-on-time\ncontract MultiSigWalletWithTimeLock is\n MultiSigWallet\n{\n event ConfirmationTimeSet(uint256 indexed transactionId, uint256 confirmationTime);\n event TimeLockChange(uint256 secondsTimeLocked);\n\n uint256 public secondsTimeLocked;\n\n mapping (uint256 => uint256) public confirmationTimes;\n\n modifier notFullyConfirmed(uint256 transactionId) {\n require(\n !isConfirmed(transactionId),\n \"TX_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier fullyConfirmed(uint256 transactionId) {\n require(\n isConfirmed(transactionId),\n \"TX_NOT_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier pastTimeLock(uint256 transactionId) {\n require(\n block.timestamp >= confirmationTimes[transactionId] + secondsTimeLocked,\n \"TIME_LOCK_INCOMPLETE\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations, and time lock.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] _owners,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWallet(_owners, _required)\n {\n secondsTimeLocked = _secondsTimeLocked;\n }\n\n /// @dev Changes the duration of the time lock for transactions.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n function changeTimeLock(uint256 _secondsTimeLocked)\n public\n onlyWallet\n {\n secondsTimeLocked = _secondsTimeLocked;\n emit TimeLockChange(_secondsTimeLocked);\n }\n\n /// @dev Allows an owner to confirm a transaction.\n /// @param transactionId Transaction ID.\n function confirmTransaction(uint256 transactionId)\n public\n ownerExists(msg.sender)\n transactionExists(transactionId)\n notConfirmed(transactionId, msg.sender)\n notFullyConfirmed(transactionId)\n {\n confirmations[transactionId][msg.sender] = true;\n emit Confirmation(msg.sender, transactionId);\n if (isConfirmed(transactionId)) {\n setConfirmationTime(transactionId, block.timestamp);\n }\n }\n\n /// @dev Allows anyone to execute a confirmed transaction.\n /// @param transactionId Transaction ID.\n function executeTransaction(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n pastTimeLock(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n\n /// @dev Sets the time of when a submission first passed.\n function setConfirmationTime(uint256 transactionId, uint256 confirmationTime)\n internal\n {\n confirmationTimes[transactionId] = confirmationTime;\n emit ConfirmationTimeSet(transactionId, confirmationTime);\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC20Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n \n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 1 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n\n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. amount |\n\n /////// Read token address from calldata ///////\n // * The token address is stored in `assetData`.\n //\n // * The \"offset to assetData\" is stored at offset 4 in the calldata (table 1).\n // [assetDataOffsetFromParams = calldataload(4)]\n //\n // * Notes that the \"offset to assetData\" is relative to the \"Params\" area of calldata;\n // add 4 bytes to account for the length of the \"Header\" area (table 1).\n // [assetDataOffsetFromHeader = assetDataOffsetFromParams + 4]\n //\n // * The \"token address\" is offset 32+4=36 bytes into \"assetData\" (tables 1 & 2).\n // [tokenOffset = assetDataOffsetFromHeader + 36 = calldataload(4) + 4 + 36]\n let token := calldataload(add(calldataload(4), 40))\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from`, `to` and `amount` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 96)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output over input\n 32 // output size should be 32 bytes\n )\n\n /////// Check return data. ///////\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // nonzero 32 bytes value.\n // So the transfer succeeded if the call succeeded and either\n // returned nothing, or returned a non-zero 32 byte value. \n success := and(success, or(\n iszero(returndatasize),\n and(\n eq(returndatasize, 32),\n gt(mload(0), 0)\n )\n ))\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC721Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 2 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n // | | 36 | | 2. tokenId |\n \n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. tokenId |\n\n // There exists only 1 of each token.\n // require(amount == 1, \"INVALID_AMOUNT\")\n if sub(calldataload(100), 1) {\n // Revert with `Error(\"INVALID_AMOUNT\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from` and `to` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 64)\n\n // Copy `tokenId` field from our own calldata to the new calldata.\n let assetDataOffset := calldataload(4)\n calldatacopy(68, add(assetDataOffset, 72), 32)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let token := calldataload(add(assetDataOffset, 40))\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output to null\n 0 // output size is 0 bytes\n )\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAuthorizable.sol\";\n\n\ncontract MixinAuthorizable is\n Ownable,\n MAuthorizable\n{\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized {\n require(\n authorized[msg.sender],\n \"SENDER_NOT_AUTHORIZED\"\n );\n _;\n }\n\n mapping (address => bool) public authorized;\n address[] public authorities;\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n !authorized[target],\n \"TARGET_ALREADY_AUTHORIZED\"\n );\n\n authorized[target] = true;\n authorities.push(target);\n emit AuthorizedAddressAdded(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n\n delete authorized[target];\n for (uint256 i = 0; i < authorities.length; i++) {\n if (authorities[i] == target) {\n authorities[i] = authorities[authorities.length - 1];\n authorities.length -= 1;\n break;\n }\n }\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n require(\n index < authorities.length,\n \"INDEX_OUT_OF_BOUNDS\"\n );\n require(\n authorities[index] == target,\n \"AUTHORIZED_ADDRESS_MISMATCH\"\n );\n\n delete authorized[target];\n authorities[index] = authorities[authorities.length - 1];\n authorities.length -= 1;\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory)\n {\n return authorities;\n }\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IAuthorizable.sol\";\n\n\ncontract IAssetProxy is\n IAuthorizable\n{\n /// @dev Transfers assets. Either succeeds or throws.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n function transferFrom(\n bytes assetData,\n address from,\n address to,\n uint256 amount\n )\n external;\n \n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4);\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/Ownable/IOwnable.sol\";\n\n\ncontract IAuthorizable is\n IOwnable\n{\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external;\n \n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory);\n}\n", + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAuthorizable.sol\";\n\n\ncontract MAuthorizable is\n IAuthorizable\n{\n // Event logged when a new address is authorized.\n event AuthorizedAddressAdded(\n address indexed target,\n address indexed caller\n );\n\n // Event logged when a currently authorized address is unauthorized.\n event AuthorizedAddressRemoved(\n address indexed target,\n address indexed caller\n );\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized { revert(); _; }\n}\n", + "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../multisig/MultiSigWalletWithTimeLock.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract AssetProxyOwner is\n MultiSigWalletWithTimeLock\n{\n using LibBytes for bytes;\n\n event AssetProxyRegistration(address assetProxyContract, bool isRegistered);\n\n // Mapping of AssetProxy contract address =>\n // if this contract is allowed to call the AssetProxy's `removeAuthorizedAddressAtIndex` method without a time lock.\n mapping (address => bool) public isAssetProxyRegistered;\n\n bytes4 constant internal REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR = bytes4(keccak256(\"removeAuthorizedAddressAtIndex(address,uint256)\"));\n\n /// @dev Function will revert if the transaction does not call `removeAuthorizedAddressAtIndex`\n /// on an approved AssetProxy contract.\n modifier validRemoveAuthorizedAddressAtIndexTx(uint256 transactionId) {\n Transaction storage txn = transactions[transactionId];\n require(\n isAssetProxyRegistered[txn.destination],\n \"UNREGISTERED_ASSET_PROXY\"\n );\n require(\n txn.data.readBytes4(0) == REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR,\n \"INVALID_FUNCTION_SELECTOR\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations,\n /// time lock, and list of AssetProxy addresses.\n /// @param _owners List of initial owners.\n /// @param _assetProxyContracts Array of AssetProxy contract addresses.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] memory _owners,\n address[] memory _assetProxyContracts,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWalletWithTimeLock(_owners, _required, _secondsTimeLocked)\n {\n for (uint256 i = 0; i < _assetProxyContracts.length; i++) {\n address assetProxy = _assetProxyContracts[i];\n require(\n assetProxy != address(0),\n \"INVALID_ASSET_PROXY\"\n );\n isAssetProxyRegistered[assetProxy] = true;\n }\n }\n\n /// @dev Registers or deregisters an AssetProxy to be able to execute\n /// `removeAuthorizedAddressAtIndex` without a timelock.\n /// @param assetProxyContract Address of AssetProxy contract.\n /// @param isRegistered Status of approval for AssetProxy contract.\n function registerAssetProxy(address assetProxyContract, bool isRegistered)\n public\n onlyWallet\n notNull(assetProxyContract)\n {\n isAssetProxyRegistered[assetProxyContract] = isRegistered;\n emit AssetProxyRegistration(assetProxyContract, isRegistered);\n }\n\n /// @dev Allows execution of `removeAuthorizedAddressAtIndex` without time lock.\n /// @param transactionId Transaction ID.\n function executeRemoveAuthorizedAddressAtIndex(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n validRemoveAuthorizedAddressAtIndexTx(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n}\n", + "2.0.0/protocol/Exchange/Exchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinExchangeCore.sol\";\nimport \"./MixinSignatureValidator.sol\";\nimport \"./MixinWrapperFunctions.sol\";\nimport \"./MixinAssetProxyDispatcher.sol\";\nimport \"./MixinTransactions.sol\";\nimport \"./MixinMatchOrders.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Exchange is\n MixinExchangeCore,\n MixinMatchOrders,\n MixinSignatureValidator,\n MixinTransactions,\n MixinAssetProxyDispatcher,\n MixinWrapperFunctions\n{\n string constant public VERSION = \"2.0.1-alpha\";\n\n // Mixins are instantiated in the order they are inherited\n constructor (bytes memory _zrxAssetData)\n public\n LibConstants(_zrxAssetData) // @TODO: Remove when we deploy.\n MixinExchangeCore()\n MixinMatchOrders()\n MixinSignatureValidator()\n MixinTransactions()\n MixinAssetProxyDispatcher()\n MixinWrapperFunctions()\n {}\n}\n", + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\nimport \"../AssetProxy/interfaces/IAssetProxy.sol\";\n\n\ncontract MixinAssetProxyDispatcher is\n Ownable,\n MAssetProxyDispatcher\n{\n // Mapping from Asset Proxy Id's to their respective Asset Proxy\n mapping (bytes4 => IAssetProxy) public assetProxies;\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external\n onlyOwner\n {\n IAssetProxy assetProxyContract = IAssetProxy(assetProxy);\n\n // Ensure that no asset proxy exists with current id.\n bytes4 assetProxyId = assetProxyContract.getProxyId();\n address currentAssetProxy = assetProxies[assetProxyId];\n require(\n currentAssetProxy == address(0),\n \"ASSET_PROXY_ALREADY_EXISTS\"\n );\n\n // Add asset proxy and log registration.\n assetProxies[assetProxyId] = assetProxyContract;\n emit AssetProxyRegistered(\n assetProxyId,\n assetProxy\n );\n }\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address)\n {\n return assetProxies[assetProxyId];\n }\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal\n {\n // Do nothing if no amount should be transferred.\n if (amount > 0 && from != to) {\n // Ensure assetData length is valid\n require(\n assetData.length > 3,\n \"LENGTH_GREATER_THAN_3_REQUIRED\"\n );\n \n // Lookup assetProxy. We do not use `LibBytes.readBytes4` for gas efficiency reasons.\n bytes4 assetProxyId;\n assembly {\n assetProxyId := and(mload(\n add(assetData, 32)),\n 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000\n )\n }\n address assetProxy = assetProxies[assetProxyId];\n\n // Ensure that assetProxy exists\n require(\n assetProxy != address(0),\n \"ASSET_PROXY_DOES_NOT_EXIST\"\n );\n \n // We construct calldata for the `assetProxy.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n\n assembly {\n /////// Setup State ///////\n // `cdStart` is the start of the calldata for `assetProxy.transferFrom` (equal to free memory ptr).\n let cdStart := mload(64)\n // `dataAreaLength` is the total number of words needed to store `assetData`\n // As-per the ABI spec, this value is padded up to the nearest multiple of 32,\n // and includes 32-bytes for length.\n let dataAreaLength := and(add(mload(assetData), 63), 0xFFFFFFFFFFFE0)\n // `cdEnd` is the end of the calldata for `assetProxy.transferFrom`.\n let cdEnd := add(cdStart, add(132, dataAreaLength))\n\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFromSelector`.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes.\n // Notes:\n // 1. The offset to `assetData` is the length of the Params Area (128 bytes).\n // 2. A 20-byte mask is applied to addresses to zero-out the unused bytes.\n mstore(add(cdStart, 4), 128)\n mstore(add(cdStart, 36), and(from, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 68), and(to, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 100), amount)\n \n /////// Setup Data Area ///////\n // This area holds `assetData`.\n let dataArea := add(cdStart, 132)\n // solhint-disable-next-line no-empty-blocks\n for {} lt(dataArea, cdEnd) {} {\n mstore(dataArea, mload(assetData))\n dataArea := add(dataArea, 32)\n assetData := add(assetData, 32)\n }\n\n /////// Call `assetProxy.transferFrom` using the constructed calldata ///////\n let success := call(\n gas, // forward all gas\n assetProxy, // call address of asset proxy\n 0, // don't send any ETH\n cdStart, // pointer to start of input\n sub(cdEnd, cdStart), // length of input \n cdStart, // write output over input\n 512 // reserve 512 bytes for output\n )\n if iszero(success) {\n revert(cdStart, returndatasize())\n }\n }\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinExchangeCore is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n LibOrder,\n LibFillResults,\n MAssetProxyDispatcher,\n MExchangeCore,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of orderHash => amount of takerAsset already bought by maker\n mapping (bytes32 => uint256) public filled;\n\n // Mapping of orderHash => cancelled\n mapping (bytes32 => bool) public cancelled;\n\n // Mapping of makerAddress => senderAddress => lowest salt an order can have in order to be fillable\n // Orders with specified senderAddress and with a salt less than their epoch are considered cancelled\n mapping (address => mapping (address => uint256)) public orderEpoch;\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external\n nonReentrant\n {\n address makerAddress = getCurrentContextAddress();\n // If this function is called via `executeTransaction`, we only update the orderEpoch for the makerAddress/msg.sender combination.\n // This allows external filter contracts to add rules to how orders are cancelled via this function.\n address senderAddress = makerAddress == msg.sender ? address(0) : msg.sender;\n\n // orderEpoch is initialized to 0, so to cancelUpTo we need salt + 1\n uint256 newOrderEpoch = targetOrderEpoch + 1; \n uint256 oldOrderEpoch = orderEpoch[makerAddress][senderAddress];\n\n // Ensure orderEpoch is monotonically increasing\n require(\n newOrderEpoch > oldOrderEpoch, \n \"INVALID_NEW_ORDER_EPOCH\"\n );\n\n // Update orderEpoch\n orderEpoch[makerAddress][senderAddress] = newOrderEpoch;\n emit CancelUpTo(\n makerAddress,\n senderAddress,\n newOrderEpoch\n );\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrder(Order memory order)\n public\n nonReentrant\n {\n cancelOrderInternal(order);\n }\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(Order memory order)\n public\n view\n returns (OrderInfo memory orderInfo)\n {\n // Compute the order hash\n orderInfo.orderHash = getOrderHash(order);\n\n // Fetch filled amount\n orderInfo.orderTakerAssetFilledAmount = filled[orderInfo.orderHash];\n\n // If order.makerAssetAmount is zero, we also reject the order.\n // While the Exchange contract handles them correctly, they create\n // edge cases in the supporting infrastructure because they have\n // an 'infinite' price when computed by a simple division.\n if (order.makerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_MAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // If order.takerAssetAmount is zero, then the order will always\n // be considered filled because 0 == takerAssetAmount == orderTakerAssetFilledAmount\n // Instead of distinguishing between unfilled and filled zero taker\n // amount orders, we choose not to support them.\n if (order.takerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_TAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // Validate order availability\n if (orderInfo.orderTakerAssetFilledAmount >= order.takerAssetAmount) {\n orderInfo.orderStatus = uint8(OrderStatus.FULLY_FILLED);\n return orderInfo;\n }\n\n // Validate order expiration\n // solhint-disable-next-line not-rely-on-time\n if (block.timestamp >= order.expirationTimeSeconds) {\n orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);\n return orderInfo;\n }\n\n // Check if order has been cancelled\n if (cancelled[orderInfo.orderHash]) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n if (orderEpoch[order.makerAddress][order.senderAddress] > order.salt) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n\n // All other statuses are ruled out: order is Fillable\n orderInfo.orderStatus = uint8(OrderStatus.FILLABLE);\n return orderInfo;\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // Fetch order info\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Assert that the order is fillable by taker\n assertFillableOrder(\n order,\n orderInfo,\n takerAddress,\n signature\n );\n \n // Get amount of takerAsset to fill\n uint256 remainingTakerAssetAmount = safeSub(order.takerAssetAmount, orderInfo.orderTakerAssetFilledAmount);\n uint256 takerAssetFilledAmount = min256(takerAssetFillAmount, remainingTakerAssetAmount);\n\n // Validate context\n assertValidFill(\n order,\n orderInfo,\n takerAssetFillAmount,\n takerAssetFilledAmount,\n fillResults.makerAssetFilledAmount\n );\n\n // Compute proportional fill amounts\n fillResults = calculateFillResults(order, takerAssetFilledAmount);\n\n // Update exchange internal state\n updateFilledState(\n order,\n takerAddress,\n orderInfo.orderHash,\n orderInfo.orderTakerAssetFilledAmount,\n fillResults\n );\n \n // Settle order\n settleOrder(\n order,\n takerAddress,\n fillResults\n );\n\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrderInternal(Order memory order)\n internal\n {\n // Fetch current order status\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Validate context\n assertValidCancel(order, orderInfo);\n\n // Perform cancel\n updateCancelledState(order, orderInfo.orderHash);\n }\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n function updateFilledState(\n Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n FillResults memory fillResults\n )\n internal\n {\n // Update state\n filled[orderHash] = safeAdd(orderTakerAssetFilledAmount, fillResults.takerAssetFilledAmount);\n\n // Log order\n emit Fill(\n order.makerAddress,\n order.feeRecipientAddress,\n takerAddress,\n msg.sender,\n fillResults.makerAssetFilledAmount,\n fillResults.takerAssetFilledAmount,\n fillResults.makerFeePaid,\n fillResults.takerFeePaid,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n Order memory order,\n bytes32 orderHash\n )\n internal\n {\n // Perform cancel\n cancelled[orderHash] = true;\n\n // Log cancel\n emit Cancel(\n order.makerAddress,\n order.feeRecipientAddress,\n msg.sender,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n Order memory order,\n OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view\n {\n // An order can only be filled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n \n // Validate sender is allowed to fill this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n \n // Validate taker is allowed to fill this order\n if (order.takerAddress != address(0)) {\n require(\n order.takerAddress == takerAddress,\n \"INVALID_TAKER\"\n );\n }\n \n // Validate Maker signature (check only if first time seen)\n if (orderInfo.orderTakerAssetFilledAmount == 0) {\n require(\n isValidSignature(\n orderInfo.orderHash,\n order.makerAddress,\n signature\n ),\n \"INVALID_ORDER_SIGNATURE\"\n );\n }\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n Order memory order,\n OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount, // TODO: use FillResults\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view\n {\n // Revert if fill amount is invalid\n // TODO: reconsider necessity for v2.1\n require(\n takerAssetFillAmount != 0,\n \"INVALID_TAKER_AMOUNT\"\n );\n \n // Make sure taker does not pay more than desired amount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n takerAssetFilledAmount <= takerAssetFillAmount,\n \"TAKER_OVERPAY\"\n );\n \n // Make sure order is not overfilled\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeAdd(orderInfo.orderTakerAssetFilledAmount, takerAssetFilledAmount) <= order.takerAssetAmount,\n \"ORDER_OVERFILL\"\n );\n \n // Make sure order is filled at acceptable price.\n // The order has an implied price from the makers perspective:\n // order price = order.makerAssetAmount / order.takerAssetAmount\n // i.e. the number of makerAsset maker is paying per takerAsset. The\n // maker is guaranteed to get this price or a better (lower) one. The\n // actual price maker is getting in this fill is:\n // fill price = makerAssetFilledAmount / takerAssetFilledAmount\n // We need `fill price <= order price` for the fill to be fair to maker.\n // This amounts to:\n // makerAssetFilledAmount order.makerAssetAmount\n // ------------------------ <= -----------------------\n // takerAssetFilledAmount order.takerAssetAmount\n // or, equivalently:\n // makerAssetFilledAmount * order.takerAssetAmount <=\n // order.makerAssetAmount * takerAssetFilledAmount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeMul(makerAssetFilledAmount, order.takerAssetAmount)\n <= \n safeMul(order.makerAssetAmount, takerAssetFilledAmount),\n \"INVALID_FILL_PRICE\"\n );\n }\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n Order memory order,\n OrderInfo memory orderInfo\n )\n internal\n view\n {\n // Ensure order is valid\n // An order can only be cancelled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Validate sender is allowed to cancel this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate transaction signed by maker\n address makerAddress = getCurrentContextAddress();\n require(\n order.makerAddress == makerAddress,\n \"INVALID_MAKER\"\n );\n }\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (FillResults memory fillResults)\n {\n // Compute proportional transfer amounts\n fillResults.takerAssetFilledAmount = takerAssetFilledAmount;\n fillResults.makerAssetFilledAmount = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n );\n fillResults.makerFeePaid = safeGetPartialAmountFloor(\n fillResults.makerAssetFilledAmount,\n order.makerAssetAmount,\n order.makerFee\n );\n fillResults.takerFeePaid = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.takerFee\n );\n\n return fillResults;\n }\n\n /// @dev Settles an order by transferring assets between counterparties.\n /// @param order Order struct containing order specifications.\n /// @param takerAddress Address selling takerAsset and buying makerAsset.\n /// @param fillResults Amounts to be filled and fees paid by maker and taker.\n function settleOrder(\n LibOrder.Order memory order,\n address takerAddress,\n LibFillResults.FillResults memory fillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n dispatchTransferFrom(\n order.makerAssetData,\n order.makerAddress,\n takerAddress,\n fillResults.makerAssetFilledAmount\n );\n dispatchTransferFrom(\n order.takerAssetData,\n takerAddress,\n order.makerAddress,\n fillResults.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n zrxAssetData,\n order.makerAddress,\n order.feeRecipientAddress,\n fillResults.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n order.feeRecipientAddress,\n fillResults.takerFeePaid\n );\n }\n}\n", + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": "/*\n Copyright 2018 ZeroEx Intl.\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n http://www.apache.org/licenses/LICENSE-2.0\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MMatchOrders.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinMatchOrders is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n MAssetProxyDispatcher,\n MExchangeCore,\n MMatchOrders,\n MTransactions\n{\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n nonReentrant\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We assume that rightOrder.takerAssetData == leftOrder.makerAssetData and rightOrder.makerAssetData == leftOrder.takerAssetData.\n // If this assumption isn't true, the match will fail at signature validation.\n rightOrder.makerAssetData = leftOrder.takerAssetData;\n rightOrder.takerAssetData = leftOrder.makerAssetData;\n\n // Get left & right order info\n LibOrder.OrderInfo memory leftOrderInfo = getOrderInfo(leftOrder);\n LibOrder.OrderInfo memory rightOrderInfo = getOrderInfo(rightOrder);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Either our context is valid or we revert\n assertFillableOrder(\n leftOrder,\n leftOrderInfo,\n takerAddress,\n leftSignature\n );\n assertFillableOrder(\n rightOrder,\n rightOrderInfo,\n takerAddress,\n rightSignature\n );\n assertValidMatch(leftOrder, rightOrder);\n\n // Compute proportional fill amounts\n matchedFillResults = calculateMatchedFillResults(\n leftOrder,\n rightOrder,\n leftOrderInfo.orderTakerAssetFilledAmount,\n rightOrderInfo.orderTakerAssetFilledAmount\n );\n\n // Validate fill contexts\n assertValidFill(\n leftOrder,\n leftOrderInfo,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.makerAssetFilledAmount\n );\n assertValidFill(\n rightOrder,\n rightOrderInfo,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n \n // Update exchange state\n updateFilledState(\n leftOrder,\n takerAddress,\n leftOrderInfo.orderHash,\n leftOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.left\n );\n updateFilledState(\n rightOrder,\n takerAddress,\n rightOrderInfo.orderHash,\n rightOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.right\n );\n\n // Settle matched orders. Succeeds or throws.\n settleMatchedOrders(\n leftOrder,\n rightOrder,\n takerAddress,\n matchedFillResults\n );\n\n return matchedFillResults;\n }\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure\n {\n // Make sure there is a profitable spread.\n // There is a profitable spread iff the cost per unit bought (OrderA.MakerAmount/OrderA.TakerAmount) for each order is greater\n // than the profit per unit sold of the matched order (OrderB.TakerAmount/OrderB.MakerAmount).\n // This is satisfied by the equations below:\n // / >= / \n // AND\n // / >= / \n // These equations can be combined to get the following:\n require(\n safeMul(leftOrder.makerAssetAmount, rightOrder.makerAssetAmount) >=\n safeMul(leftOrder.takerAssetAmount, rightOrder.takerAssetAmount),\n \"NEGATIVE_SPREAD_REQUIRED\"\n );\n }\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // Derive maker asset amounts for left & right orders, given store taker assert amounts\n uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);\n uint256 leftMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n leftTakerAssetAmountRemaining\n );\n uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);\n uint256 rightMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n rightOrder.makerAssetAmount,\n rightOrder.takerAssetAmount,\n rightTakerAssetAmountRemaining\n );\n\n // Calculate fill results for maker and taker assets: at least one order will be fully filled.\n // The maximum amount the left maker can buy is `leftTakerAssetAmountRemaining`\n // The maximum amount the right maker can sell is `rightMakerAssetAmountRemaining`\n // We have two distinct cases for calculating the fill results:\n // Case 1.\n // If the left maker can buy more than the right maker can sell, then only the right order is fully filled.\n // If the left maker can buy exactly what the right maker can sell, then both orders are fully filled.\n // Case 2.\n // If the left maker cannot buy more than the right maker can sell, then only the left order is fully filled.\n if (leftTakerAssetAmountRemaining >= rightMakerAssetAmountRemaining) {\n // Case 1: Right order is fully filled\n matchedFillResults.right.makerAssetFilledAmount = rightMakerAssetAmountRemaining;\n matchedFillResults.right.takerAssetFilledAmount = rightTakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = matchedFillResults.right.makerAssetFilledAmount;\n // Round down to ensure the maker's exchange rate does not exceed the price specified by the order. \n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.left.makerAssetFilledAmount = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n matchedFillResults.left.takerAssetFilledAmount\n );\n } else {\n // Case 2: Left order is fully filled\n matchedFillResults.left.makerAssetFilledAmount = leftMakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = leftTakerAssetAmountRemaining;\n matchedFillResults.right.makerAssetFilledAmount = matchedFillResults.left.takerAssetFilledAmount;\n // Round up to ensure the maker's exchange rate does not exceed the price specified by the order.\n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.right.takerAssetFilledAmount = safeGetPartialAmountCeil(\n rightOrder.takerAssetAmount,\n rightOrder.makerAssetAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n }\n\n // Calculate amount given to taker\n matchedFillResults.leftMakerAssetSpreadAmount = safeSub(\n matchedFillResults.left.makerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount\n );\n\n // Compute fees for left order\n matchedFillResults.left.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.makerAssetFilledAmount,\n leftOrder.makerAssetAmount,\n leftOrder.makerFee\n );\n matchedFillResults.left.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.takerAssetFilledAmount,\n leftOrder.takerAssetAmount,\n leftOrder.takerFee\n );\n\n // Compute fees for right order\n matchedFillResults.right.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.makerAssetFilledAmount,\n rightOrder.makerAssetAmount,\n rightOrder.makerFee\n );\n matchedFillResults.right.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.takerAssetFilledAmount,\n rightOrder.takerAssetAmount,\n rightOrder.takerFee\n );\n\n // Return fill results\n return matchedFillResults;\n }\n\n /// @dev Settles matched order by transferring appropriate funds between order makers, taker, and fee recipient.\n /// @param leftOrder First matched order.\n /// @param rightOrder Second matched order.\n /// @param takerAddress Address that matched the orders. The taker receives the spread between orders as profit.\n /// @param matchedFillResults Struct holding amounts to transfer between makers, taker, and fee recipients.\n function settleMatchedOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n address takerAddress,\n LibFillResults.MatchedFillResults memory matchedFillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n // Order makers and taker\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n rightOrder.makerAddress,\n matchedFillResults.right.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n rightOrder.makerAssetData,\n rightOrder.makerAddress,\n leftOrder.makerAddress,\n matchedFillResults.left.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n takerAddress,\n matchedFillResults.leftMakerAssetSpreadAmount\n );\n\n // Maker fees\n dispatchTransferFrom(\n zrxAssetData,\n leftOrder.makerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n rightOrder.makerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.makerFeePaid\n );\n\n // Taker fees\n if (leftOrder.feeRecipientAddress == rightOrder.feeRecipientAddress) {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n safeAdd(\n matchedFillResults.left.takerFeePaid,\n matchedFillResults.right.takerFeePaid\n )\n );\n } else {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.takerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.takerFeePaid\n );\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./interfaces/IWallet.sol\";\nimport \"./interfaces/IValidator.sol\";\n\n\ncontract MixinSignatureValidator is\n ReentrancyGuard,\n MSignatureValidator,\n MTransactions\n{\n using LibBytes for bytes;\n \n // Mapping of hash => signer => signed\n mapping (bytes32 => mapping (address => bool)) public preSigned;\n\n // Mapping of signer => validator => approved\n mapping (address => mapping (address => bool)) public allowedValidators;\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n {\n if (signerAddress != msg.sender) {\n require(\n isValidSignature(\n hash,\n signerAddress,\n signature\n ),\n \"INVALID_SIGNATURE\"\n );\n }\n preSigned[hash][signerAddress] = true;\n }\n\n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external\n nonReentrant\n {\n address signerAddress = getCurrentContextAddress();\n allowedValidators[signerAddress][validatorAddress] = approval;\n emit SignatureValidatorApproval(\n signerAddress,\n validatorAddress,\n approval\n );\n }\n\n /// @dev Verifies that a hash has been signed by the given signer.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid)\n {\n require(\n signature.length > 0,\n \"LENGTH_GREATER_THAN_0_REQUIRED\"\n );\n\n // Pop last byte off of signature byte array.\n uint8 signatureTypeRaw = uint8(signature.popLastByte());\n\n // Ensure signature is supported\n require(\n signatureTypeRaw < uint8(SignatureType.NSignatureTypes),\n \"SIGNATURE_UNSUPPORTED\"\n );\n\n SignatureType signatureType = SignatureType(signatureTypeRaw);\n\n // Variables are not scoped in Solidity.\n uint8 v;\n bytes32 r;\n bytes32 s;\n address recovered;\n\n // Always illegal signature.\n // This is always an implicit option since a signer can create a\n // signature array with invalid type or length. We may as well make\n // it an explicit option. This aids testing and analysis. It is\n // also the initialization value for the enum type.\n if (signatureType == SignatureType.Illegal) {\n revert(\"SIGNATURE_ILLEGAL\");\n\n // Always invalid signature.\n // Like Illegal, this is always implicitly available and therefore\n // offered explicitly. It can be implicitly created by providing\n // a correctly formatted but incorrect signature.\n } else if (signatureType == SignatureType.Invalid) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = false;\n return isValid;\n\n // Signature using EIP712\n } else if (signatureType == SignatureType.EIP712) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n hash,\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signed using web3.eth_sign\n } else if (signatureType == SignatureType.EthSign) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n32\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signature verified by wallet contract.\n // If used with an order, the maker of the order is the wallet contract.\n } else if (signatureType == SignatureType.Wallet) {\n isValid = isValidWalletSignature(\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signature verified by validator contract.\n // If used with an order, the maker of the order can still be an EOA.\n // A signature using this type should be encoded as:\n // | Offset | Length | Contents |\n // | 0x00 | x | Signature to validate |\n // | 0x00 + x | 20 | Address of validator contract |\n // | 0x14 + x | 1 | Signature type is always \"\\x06\" |\n } else if (signatureType == SignatureType.Validator) {\n // Pop last 20 bytes off of signature byte array.\n address validatorAddress = signature.popLast20Bytes();\n \n // Ensure signer has approved validator.\n if (!allowedValidators[signerAddress][validatorAddress]) {\n return false;\n }\n isValid = isValidValidatorSignature(\n validatorAddress,\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signer signed hash previously using the preSign function.\n } else if (signatureType == SignatureType.PreSigned) {\n isValid = preSigned[hash][signerAddress];\n return isValid;\n }\n\n // Anything else is illegal (We do not return false because\n // the signature may actually be valid, just not in a format\n // that we currently support. In this case returning false\n // may lead the caller to incorrectly believe that the\n // signature was invalid.)\n revert(\"SIGNATURE_UNSUPPORTED\");\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if signature is valid for given wallet..\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IWallet(walletAddress).isValidSignature.selector,\n hash,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n walletAddress, // address of Wallet contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"WALLET_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000c57414c4c45545f4552524f5200000000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IValidator(signerAddress).isValidSignature.selector,\n hash,\n signerAddress,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n validatorAddress, // address of Validator contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"VALIDATOR_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f56414c494441544f525f4552524f5200000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n}\n", + "2.0.0/protocol/Exchange/MixinTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"./libs/LibExchangeErrors.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./libs/LibEIP712.sol\";\n\n\ncontract MixinTransactions is\n LibEIP712,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of transaction hash => executed\n // This prevents transactions from being executed more than once.\n mapping (bytes32 => bool) public transactions;\n\n // Address of current transaction signer\n address public currentContextAddress;\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external\n {\n // Prevent reentrancy\n require(\n currentContextAddress == address(0),\n \"REENTRANCY_ILLEGAL\"\n );\n\n bytes32 transactionHash = hashEIP712Message(hashZeroExTransaction(\n salt,\n signerAddress,\n data\n ));\n\n // Validate transaction has not been executed\n require(\n !transactions[transactionHash],\n \"INVALID_TX_HASH\"\n );\n\n // Transaction always valid if signer is sender of transaction\n if (signerAddress != msg.sender) {\n // Validate signature\n require(\n isValidSignature(\n transactionHash,\n signerAddress,\n signature\n ),\n \"INVALID_TX_SIGNATURE\"\n );\n\n // Set the current transaction signer\n currentContextAddress = signerAddress;\n }\n\n // Execute transaction\n transactions[transactionHash] = true;\n require(\n address(this).delegatecall(data),\n \"FAILED_EXECUTION\"\n );\n\n // Reset current transaction signer if it was previously updated\n if (signerAddress != msg.sender) {\n currentContextAddress = address(0);\n }\n }\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;\n bytes32 dataHash = keccak256(data);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,\n // salt,\n // bytes32(signerAddress),\n // keccak256(data)\n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, schemaHash) // hash of schema\n mstore(add(memPtr, 32), salt) // salt\n mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff)) // signerAddress\n mstore(add(memPtr, 96), dataHash) // hash of data\n\n // Compute hash\n result := keccak256(memPtr, 128)\n }\n return result;\n }\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address)\n {\n address currentContextAddress_ = currentContextAddress;\n address contextAddress = currentContextAddress_ == address(0) ? msg.sender : currentContextAddress_;\n return contextAddress;\n }\n}\n", + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibAbiEncoder.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MWrapperFunctions.sol\";\n\n\ncontract MixinWrapperFunctions is\n ReentrancyGuard,\n LibMath,\n LibFillResults,\n LibAbiEncoder,\n MExchangeCore,\n MWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrKillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n // Delegate to `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := delegatecall(\n gas, // forward all gas\n address, // call address of this contract\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrKillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n \n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public\n nonReentrant\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n cancelOrderInternal(orders[i]);\n }\n }\n\n /// @dev Fetches information for all passed in orders.\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n LibOrder.OrderInfo[] memory ordersInfo = new LibOrder.OrderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n ordersInfo[i] = getOrderInfo(orders[i]);\n }\n return ordersInfo;\n }\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n require(\n fillResults.takerAssetFilledAmount == takerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return fillResults;\n }\n}\n", + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssetProxyDispatcher {\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external;\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./IExchangeCore.sol\";\nimport \"./IMatchOrders.sol\";\nimport \"./ISignatureValidator.sol\";\nimport \"./ITransactions.sol\";\nimport \"./IAssetProxyDispatcher.sol\";\nimport \"./IWrapperFunctions.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract IExchange is\n IExchangeCore,\n IMatchOrders,\n ISignatureValidator,\n ITransactions,\n IAssetProxyDispatcher,\n IWrapperFunctions\n{}\n", + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IExchangeCore {\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external;\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrder(LibOrder.Order memory order)\n public;\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(LibOrder.Order memory order)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IMatchOrders {\n\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ISignatureValidator {\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external;\n \n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external;\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address of signer.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\n\ncontract ITransactions {\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external;\n}\n", + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IValidator {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IWallet {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IWrapperFunctions {\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public;\n\n /// @dev Fetches information for all passed in orders\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory);\n}\n", + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./LibOrder.sol\";\n\n\ncontract LibAbiEncoder {\n\n /// @dev ABI encodes calldata for `fillOrder`.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return ABI encoded calldata for `fillOrder`.\n function abiEncodeFillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n pure\n returns (bytes memory fillOrderCalldata)\n {\n // We need to call MExchangeCore.fillOrder using a delegatecall in\n // assembly so that we can intercept a call that throws. For this, we\n // need the input encoded in memory in the Ethereum ABIv2 format [1].\n\n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0x00 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 0x00 | | 1. offset to order (*) |\n // | | 0x20 | | 2. takerAssetFillAmount |\n // | | 0x40 | | 3. offset to signature (*) |\n // | Data | | 12 * 32 | order: |\n // | | 0x000 | | 1. senderAddress |\n // | | 0x020 | | 2. makerAddress |\n // | | 0x040 | | 3. takerAddress |\n // | | 0x060 | | 4. feeRecipientAddress |\n // | | 0x080 | | 5. makerAssetAmount |\n // | | 0x0A0 | | 6. takerAssetAmount |\n // | | 0x0C0 | | 7. makerFeeAmount |\n // | | 0x0E0 | | 8. takerFeeAmount |\n // | | 0x100 | | 9. expirationTimeSeconds |\n // | | 0x120 | | 10. salt |\n // | | 0x140 | | 11. Offset to makerAssetData (*) |\n // | | 0x160 | | 12. Offset to takerAssetData (*) |\n // | | 0x180 | 32 | makerAssetData Length |\n // | | 0x1A0 | ** | makerAssetData Contents |\n // | | 0x1C0 | 32 | takerAssetData Length |\n // | | 0x1E0 | ** | takerAssetData Contents |\n // | | 0x200 | 32 | signature Length |\n // | | 0x220 | ** | signature Contents |\n\n // * Offsets are calculated from the beginning of the current area: Header, Params, Data:\n // An offset stored in the Params area is calculated from the beginning of the Params section.\n // An offset stored in the Data area is calculated from the beginning of the Data section.\n\n // ** The length of dynamic array contents are stored in the field immediately preceeding the contents.\n\n // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html\n\n assembly {\n\n // Areas below may use the following variables:\n // 1. Start -- Start of this area in memory\n // 2. End -- End of this area in memory. This value may\n // be precomputed (before writing contents),\n // or it may be computed as contents are written.\n // 3. Offset -- Current offset into area. If an area's End\n // is precomputed, this variable tracks the\n // offsets of contents as they are written.\n\n /////// Setup Header Area ///////\n // Load free memory pointer\n fillOrderCalldata := mload(0x40)\n // bytes4(keccak256(\"fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)\"))\n // = 0xb4be83d5\n // Leave 0x20 bytes to store the length\n mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000)\n let headerAreaEnd := add(fillOrderCalldata, 0x24)\n\n /////// Setup Params Area ///////\n // This area is preallocated and written to later.\n // This is because we need to fill in offsets that have not yet been calculated.\n let paramsAreaStart := headerAreaEnd\n let paramsAreaEnd := add(paramsAreaStart, 0x60)\n let paramsAreaOffset := paramsAreaStart\n\n /////// Setup Data Area ///////\n let dataAreaStart := paramsAreaEnd\n let dataAreaEnd := dataAreaStart\n\n // Offset from the source data we're reading from\n let sourceOffset := order\n // arrayLenBytes and arrayLenWords track the length of a dynamically-allocated bytes array.\n let arrayLenBytes := 0\n let arrayLenWords := 0\n\n /////// Write order Struct ///////\n // Write memory location of Order, relative to the start of the\n // parameter list, then increment the paramsAreaOffset respectively.\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n // Write values for each field in the order\n // It would be nice to use a loop, but we save on gas by writing\n // the stores sequentially.\n mstore(dataAreaEnd, mload(sourceOffset)) // makerAddress\n mstore(add(dataAreaEnd, 0x20), mload(add(sourceOffset, 0x20))) // takerAddress\n mstore(add(dataAreaEnd, 0x40), mload(add(sourceOffset, 0x40))) // feeRecipientAddress\n mstore(add(dataAreaEnd, 0x60), mload(add(sourceOffset, 0x60))) // senderAddress\n mstore(add(dataAreaEnd, 0x80), mload(add(sourceOffset, 0x80))) // makerAssetAmount\n mstore(add(dataAreaEnd, 0xA0), mload(add(sourceOffset, 0xA0))) // takerAssetAmount\n mstore(add(dataAreaEnd, 0xC0), mload(add(sourceOffset, 0xC0))) // makerFeeAmount\n mstore(add(dataAreaEnd, 0xE0), mload(add(sourceOffset, 0xE0))) // takerFeeAmount\n mstore(add(dataAreaEnd, 0x100), mload(add(sourceOffset, 0x100))) // expirationTimeSeconds\n mstore(add(dataAreaEnd, 0x120), mload(add(sourceOffset, 0x120))) // salt\n mstore(add(dataAreaEnd, 0x140), mload(add(sourceOffset, 0x140))) // Offset to makerAssetData\n mstore(add(dataAreaEnd, 0x160), mload(add(sourceOffset, 0x160))) // Offset to takerAssetData\n dataAreaEnd := add(dataAreaEnd, 0x180)\n sourceOffset := add(sourceOffset, 0x180)\n\n // Write offset to \n mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x140)) // makerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Write offset to \n mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x160)) // takerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n /////// Write takerAssetFillAmount ///////\n mstore(paramsAreaOffset, takerAssetFillAmount)\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n /////// Write signature ///////\n // Write offset to paramsArea\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n\n // Calculate length of signature\n sourceOffset := signature\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of signature\n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of signature\n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Set length of calldata\n mstore(fillOrderCalldata, sub(dataAreaEnd, add(fillOrderCalldata, 0x20)))\n\n // Increment free memory pointer\n mstore(0x40, dataAreaEnd)\n }\n\n return fillOrderCalldata;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\n// solhint-disable max-line-length\ncontract LibConstants {\n \n // Asset data for ZRX token. Used for fee transfers.\n // @TODO: Hardcode constant when we deploy. Currently \n // not constant to make testing easier.\n\n // The proxyId for ZRX_ASSET_DATA is bytes4(keccak256(\"ERC20Token(address)\")) = 0xf47261b0\n \n // Kovan ZRX address is 0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570.\n // The ABI encoded proxyId and address is 0xf47261b00000000000000000000000006ff6c0ff1d68b964901f986d4c9fa3ac68346570\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x6f\\xf6\\xc0\\xff\\x1d\\x68\\xb9\\x64\\x90\\x1f\\x98\\x6d\\x4c\\x9f\\xa3\\xac\\x68\\x34\\x65\\x70\";\n \n // Mainnet ZRX address is 0xe41d2489571d322189246dafa5ebde1f4699f498.\n // The ABI encoded proxyId and address is 0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xe4\\x1d\\x24\\x89\\x57\\x1d\\x32\\x21\\x89\\x24\\x6d\\xaf\\xa5\\xeb\\xde\\x1f\\x46\\x99\\xf4\\x98\";\n \n // solhint-disable-next-line var-name-mixedcase\n bytes public ZRX_ASSET_DATA;\n\n // @TODO: Remove when we deploy.\n constructor (bytes memory zrxAssetData)\n public\n {\n ZRX_ASSET_DATA = zrxAssetData;\n }\n}\n// solhint-enable max-line-length\n", + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract LibEIP712 {\n\n // EIP191 header for EIP712 prefix\n string constant internal EIP191_HEADER = \"\\x19\\x01\";\n\n // EIP712 Domain Name value\n string constant internal EIP712_DOMAIN_NAME = \"0x Protocol\";\n\n // EIP712 Domain Version value\n string constant internal EIP712_DOMAIN_VERSION = \"2\";\n\n // Hash of the EIP712 Domain Separator Schema\n bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"EIP712Domain(\",\n \"string name,\",\n \"string version,\",\n \"address verifyingContract\",\n \")\"\n ));\n\n // Hash of the EIP712 Domain Separator data\n // solhint-disable-next-line var-name-mixedcase\n bytes32 public EIP712_DOMAIN_HASH;\n\n constructor ()\n public\n {\n EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(\n EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,\n keccak256(bytes(EIP712_DOMAIN_NAME)),\n keccak256(bytes(EIP712_DOMAIN_VERSION)),\n bytes32(address(this))\n ));\n }\n\n /// @dev Calculates EIP712 encoding for a hash struct in this EIP712 Domain.\n /// @param hashStruct The EIP712 hash struct.\n /// @return EIP712 hash applied to this EIP712 Domain.\n function hashEIP712Message(bytes32 hashStruct)\n internal\n view\n returns (bytes32 result)\n {\n bytes32 eip712DomainHash = EIP712_DOMAIN_HASH;\n\n // Assembly for more efficient computing:\n // keccak256(abi.encodePacked(\n // EIP191_HEADER,\n // EIP712_DOMAIN_HASH,\n // hashStruct \n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, 0x1901000000000000000000000000000000000000000000000000000000000000) // EIP191 header\n mstore(add(memPtr, 2), eip712DomainHash) // EIP712 domain hash\n mstore(add(memPtr, 34), hashStruct) // Hash of struct\n\n // Compute hash\n result := keccak256(memPtr, 66)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity 0.4.24;\n\n\n/// @dev This contract documents the revert reasons used in the Exchange contract.\n/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons.\ncontract LibExchangeErrors {\n\n /// Order validation errors ///\n string constant ORDER_UNFILLABLE = \"ORDER_UNFILLABLE\"; // Order cannot be filled.\n string constant INVALID_MAKER = \"INVALID_MAKER\"; // Invalid makerAddress.\n string constant INVALID_TAKER = \"INVALID_TAKER\"; // Invalid takerAddress.\n string constant INVALID_SENDER = \"INVALID_SENDER\"; // Invalid `msg.sender`.\n string constant INVALID_ORDER_SIGNATURE = \"INVALID_ORDER_SIGNATURE\"; // Signature validation failed. \n \n /// fillOrder validation errors ///\n string constant INVALID_TAKER_AMOUNT = \"INVALID_TAKER_AMOUNT\"; // takerAssetFillAmount cannot equal 0.\n string constant ROUNDING_ERROR = \"ROUNDING_ERROR\"; // Rounding error greater than 0.1% of takerAssetFillAmount. \n \n /// Signature validation errors ///\n string constant INVALID_SIGNATURE = \"INVALID_SIGNATURE\"; // Signature validation failed. \n string constant SIGNATURE_ILLEGAL = \"SIGNATURE_ILLEGAL\"; // Signature type is illegal.\n string constant SIGNATURE_UNSUPPORTED = \"SIGNATURE_UNSUPPORTED\"; // Signature type unsupported.\n \n /// cancelOrdersUptTo errors ///\n string constant INVALID_NEW_ORDER_EPOCH = \"INVALID_NEW_ORDER_EPOCH\"; // Specified salt must be greater than or equal to existing orderEpoch.\n\n /// fillOrKillOrder errors ///\n string constant COMPLETE_FILL_FAILED = \"COMPLETE_FILL_FAILED\"; // Desired takerAssetFillAmount could not be completely filled. \n\n /// matchOrders errors ///\n string constant NEGATIVE_SPREAD_REQUIRED = \"NEGATIVE_SPREAD_REQUIRED\"; // Matched orders must have a negative spread.\n\n /// Transaction errors ///\n string constant REENTRANCY_ILLEGAL = \"REENTRANCY_ILLEGAL\"; // Recursive reentrancy is not allowed. \n string constant INVALID_TX_HASH = \"INVALID_TX_HASH\"; // Transaction has already been executed. \n string constant INVALID_TX_SIGNATURE = \"INVALID_TX_SIGNATURE\"; // Signature validation failed. \n string constant FAILED_EXECUTION = \"FAILED_EXECUTION\"; // Transaction execution failed. \n \n /// registerAssetProxy errors ///\n string constant ASSET_PROXY_ALREADY_EXISTS = \"ASSET_PROXY_ALREADY_EXISTS\"; // AssetProxy with same id already exists.\n\n /// dispatchTransferFrom errors ///\n string constant ASSET_PROXY_DOES_NOT_EXIST = \"ASSET_PROXY_DOES_NOT_EXIST\"; // No assetProxy registered at given id.\n string constant TRANSFER_FAILED = \"TRANSFER_FAILED\"; // Asset transfer unsuccesful.\n\n /// Length validation errors ///\n string constant LENGTH_GREATER_THAN_0_REQUIRED = \"LENGTH_GREATER_THAN_0_REQUIRED\"; // Byte array must have a length greater than 0.\n string constant LENGTH_GREATER_THAN_3_REQUIRED = \"LENGTH_GREATER_THAN_3_REQUIRED\"; // Byte array must have a length greater than 3.\n string constant LENGTH_0_REQUIRED = \"LENGTH_0_REQUIRED\"; // Byte array must have a length of 0.\n string constant LENGTH_65_REQUIRED = \"LENGTH_65_REQUIRED\"; // Byte array must have a length of 65.\n}\n", + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibFillResults is\n SafeMath\n{\n struct FillResults {\n uint256 makerAssetFilledAmount; // Total amount of makerAsset(s) filled.\n uint256 takerAssetFilledAmount; // Total amount of takerAsset(s) filled.\n uint256 makerFeePaid; // Total amount of ZRX paid by maker(s) to feeRecipient(s).\n uint256 takerFeePaid; // Total amount of ZRX paid by taker to feeRecipients(s).\n }\n\n struct MatchedFillResults {\n FillResults left; // Amounts filled and fees paid of left order.\n FillResults right; // Amounts filled and fees paid of right order.\n uint256 leftMakerAssetSpreadAmount; // Spread between price of left and right order, denominated in the left order's makerAsset, paid to taker.\n }\n\n /// @dev Adds properties of both FillResults instances.\n /// Modifies the first FillResults instance specified.\n /// @param totalFillResults Fill results instance that will be added onto.\n /// @param singleFillResults Fill results instance that will be added to totalFillResults.\n function addFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)\n internal\n pure\n {\n totalFillResults.makerAssetFilledAmount = safeAdd(totalFillResults.makerAssetFilledAmount, singleFillResults.makerAssetFilledAmount);\n totalFillResults.takerAssetFilledAmount = safeAdd(totalFillResults.takerAssetFilledAmount, singleFillResults.takerAssetFilledAmount);\n totalFillResults.makerFeePaid = safeAdd(totalFillResults.makerFeePaid, singleFillResults.makerFeePaid);\n totalFillResults.takerFeePaid = safeAdd(totalFillResults.takerFeePaid, singleFillResults.takerFeePaid);\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibMath.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibMath is\n SafeMath\n{\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function safeGetPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorFloor(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function safeGetPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorCeil(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function getPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function getPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // The absolute rounding error is the difference between the rounded\n // value and the ideal value. The relative rounding error is the\n // absolute rounding error divided by the absolute value of the\n // ideal value. This is undefined when the ideal value is zero.\n //\n // The ideal value is `numerator * target / denominator`.\n // Let's call `numerator * target % denominator` the remainder.\n // The absolute error is `remainder / denominator`.\n //\n // When the ideal value is zero, we require the absolute error to\n // be zero. Fortunately, this is always the case. The ideal value is\n // zero iff `numerator == 0` and/or `target == 0`. In this case the\n // remainder and absolute error are also zero. \n if (target == 0 || numerator == 0) {\n return false;\n }\n \n // Otherwise, we want the relative rounding error to be strictly\n // less than 0.1%.\n // The relative error is `remainder / (numerator * target)`.\n // We want the relative error less than 1 / 1000:\n // remainder / (numerator * denominator) < 1 / 1000\n // or equivalently:\n // 1000 * remainder < numerator * target\n // so we have a rounding error iff:\n // 1000 * remainder >= numerator * target\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding up.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // See the comments in `isRoundingError`.\n if (target == 0 || numerator == 0) {\n // When either is zero, the ideal value and rounded value are zero\n // and there is no rounding error. (Although the relative error\n // is undefined.)\n return false;\n }\n // Compute remainder as before\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n remainder = safeSub(denominator, remainder) % denominator;\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibOrder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./LibEIP712.sol\";\n\n\ncontract LibOrder is\n LibEIP712\n{\n // Hash for the EIP712 Order Schema\n bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"Order(\",\n \"address makerAddress,\",\n \"address takerAddress,\",\n \"address feeRecipientAddress,\",\n \"address senderAddress,\",\n \"uint256 makerAssetAmount,\",\n \"uint256 takerAssetAmount,\",\n \"uint256 makerFee,\",\n \"uint256 takerFee,\",\n \"uint256 expirationTimeSeconds,\",\n \"uint256 salt,\",\n \"bytes makerAssetData,\",\n \"bytes takerAssetData\",\n \")\"\n ));\n\n // A valid order remains fillable until it is expired, fully filled, or cancelled.\n // An order's state is unaffected by external factors, like account balances.\n enum OrderStatus {\n INVALID, // Default value\n INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount\n INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount\n FILLABLE, // Order is fillable\n EXPIRED, // Order has already expired\n FULLY_FILLED, // Order is fully filled\n CANCELLED // Order has been cancelled\n }\n\n // solhint-disable max-line-length\n struct Order {\n address makerAddress; // Address that created the order. \n address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order. \n address feeRecipientAddress; // Address that will recieve fees when order is filled. \n address senderAddress; // Address that is allowed to call Exchange contract methods that affect this order. If set to 0, any address is allowed to call these methods.\n uint256 makerAssetAmount; // Amount of makerAsset being offered by maker. Must be greater than 0. \n uint256 takerAssetAmount; // Amount of takerAsset being bid on by maker. Must be greater than 0. \n uint256 makerFee; // Amount of ZRX paid to feeRecipient by maker when order is filled. If set to 0, no transfer of ZRX from maker to feeRecipient will be attempted.\n uint256 takerFee; // Amount of ZRX paid to feeRecipient by taker when order is filled. If set to 0, no transfer of ZRX from taker to feeRecipient will be attempted.\n uint256 expirationTimeSeconds; // Timestamp in seconds at which order expires. \n uint256 salt; // Arbitrary number to facilitate uniqueness of the order's hash. \n bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.\n bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.\n }\n // solhint-enable max-line-length\n\n struct OrderInfo {\n uint8 orderStatus; // Status that describes order's validity and fillability.\n bytes32 orderHash; // EIP712 hash of the order (see LibOrder.getOrderHash).\n uint256 orderTakerAssetFilledAmount; // Amount of order that has already been filled.\n }\n\n /// @dev Calculates Keccak-256 hash of the order.\n /// @param order The order structure.\n /// @return Keccak-256 EIP712 hash of the order.\n function getOrderHash(Order memory order)\n internal\n view\n returns (bytes32 orderHash)\n {\n orderHash = hashEIP712Message(hashOrder(order));\n return orderHash;\n }\n\n /// @dev Calculates EIP712 hash of the order.\n /// @param order The order structure.\n /// @return EIP712 hash of the order.\n function hashOrder(Order memory order)\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ORDER_SCHEMA_HASH;\n bytes32 makerAssetDataHash = keccak256(order.makerAssetData);\n bytes32 takerAssetDataHash = keccak256(order.takerAssetData);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ORDER_SCHEMA_HASH,\n // bytes32(order.makerAddress),\n // bytes32(order.takerAddress),\n // bytes32(order.feeRecipientAddress),\n // bytes32(order.senderAddress),\n // order.makerAssetAmount,\n // order.takerAssetAmount,\n // order.makerFee,\n // order.takerFee,\n // order.expirationTimeSeconds,\n // order.salt,\n // keccak256(order.makerAssetData),\n // keccak256(order.takerAssetData)\n // ));\n\n assembly {\n // Calculate memory addresses that will be swapped out before hashing\n let pos1 := sub(order, 32)\n let pos2 := add(order, 320)\n let pos3 := add(order, 352)\n\n // Backup\n let temp1 := mload(pos1)\n let temp2 := mload(pos2)\n let temp3 := mload(pos3)\n \n // Hash in place\n mstore(pos1, schemaHash)\n mstore(pos2, makerAssetDataHash)\n mstore(pos3, takerAssetDataHash)\n result := keccak256(pos1, 416)\n \n // Restore\n mstore(pos1, temp1)\n mstore(pos2, temp2)\n mstore(pos3, temp3)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssetProxyDispatcher.sol\";\n\n\ncontract MAssetProxyDispatcher is\n IAssetProxyDispatcher\n{\n // Logs registration of new asset proxy\n event AssetProxyRegistered(\n bytes4 id, // Id of new registered AssetProxy.\n address assetProxy // Address of new registered AssetProxy.\n );\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IExchangeCore.sol\";\n\n\ncontract MExchangeCore is\n IExchangeCore\n{\n // Fill event is emitted whenever an order is filled.\n event Fill(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that received fees.\n address takerAddress, // Address that filled the order.\n address senderAddress, // Address that called the Exchange contract (msg.sender).\n uint256 makerAssetFilledAmount, // Amount of makerAsset sold by maker and bought by taker. \n uint256 takerAssetFilledAmount, // Amount of takerAsset sold by taker and bought by maker.\n uint256 makerFeePaid, // Amount of ZRX paid to feeRecipient by maker.\n uint256 takerFeePaid, // Amount of ZRX paid to feeRecipient by taker.\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // Cancel event is emitted whenever an individual order is cancelled.\n event Cancel(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that would have recieved fees if order was filled. \n address senderAddress, // Address that called the Exchange contract (msg.sender).\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // CancelUpTo event is emitted whenever `cancelOrdersUpTo` is executed succesfully.\n event CancelUpTo(\n address indexed makerAddress, // Orders cancelled must have been created by this address.\n address indexed senderAddress, // Orders cancelled must have a `senderAddress` equal to this address.\n uint256 orderEpoch // Orders with specified makerAddress and senderAddress with a salt less than this value are considered cancelled.\n );\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrderInternal(LibOrder.Order memory order)\n internal;\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function updateFilledState(\n LibOrder.Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n LibFillResults.FillResults memory fillResults\n )\n internal;\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n LibOrder.Order memory order,\n bytes32 orderHash\n )\n internal;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo Status, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view;\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo\n )\n internal\n view;\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n LibOrder.Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.FillResults memory fillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IMatchOrders.sol\";\n\n\ncontract MMatchOrders is\n IMatchOrders\n{\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure;\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/ISignatureValidator.sol\";\n\n\ncontract MSignatureValidator is\n ISignatureValidator\n{\n event SignatureValidatorApproval(\n address indexed signerAddress, // Address that approves or disapproves a contract to verify signatures.\n address indexed validatorAddress, // Address of signature validator contract.\n bool approved // Approval or disapproval of validator contract.\n );\n\n // Allowed signature types.\n enum SignatureType {\n Illegal, // 0x00, default value\n Invalid, // 0x01\n EIP712, // 0x02\n EthSign, // 0x03\n Wallet, // 0x04\n Validator, // 0x05\n PreSigned, // 0x06\n NSignatureTypes // 0x07, number of signature types. Always leave at end.\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"../interfaces/ITransactions.sol\";\n\n\ncontract MTransactions is\n ITransactions\n{\n // Hash for the EIP712 ZeroEx Transaction Schema\n bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"ZeroExTransaction(\",\n \"uint256 salt,\",\n \"address signerAddress,\",\n \"bytes data\",\n \")\"\n ));\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result);\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address);\n}\n", + "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IWrapperFunctions.sol\";\n\n\ncontract MWrapperFunctions is \n IWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n}\n", + "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/MintableERC20Token.sol\";\n\n\ncontract DummyERC20Token is \n Ownable,\n MintableERC20Token\n{\n string public name;\n string public symbol;\n uint256 public decimals;\n uint256 public constant MAX_MINT_AMOUNT = 10000000000000000000000;\n\n constructor (\n string _name,\n string _symbol,\n uint256 _decimals,\n uint256 _totalSupply\n )\n public\n {\n name = _name;\n symbol = _symbol;\n decimals = _decimals;\n _totalSupply = _totalSupply;\n balances[msg.sender] = _totalSupply;\n }\n\n /// @dev Sets the balance of target address\n /// @param _target Address or which balance will be updated\n /// @param _value New balance of target address\n function setBalance(address _target, uint256 _value)\n external\n onlyOwner\n {\n uint256 currBalance = balances[_target];\n if (_value < currBalance) {\n _totalSupply = safeSub(_totalSupply, safeSub(currBalance, _value));\n } else {\n _totalSupply = safeAdd(_totalSupply, safeSub(_value, currBalance));\n }\n balances[_target] = _value;\n }\n\n /// @dev Mints new tokens for sender\n /// @param _value Amount of tokens to mint\n function mint(uint256 _value)\n external\n {\n require(\n _value <= MAX_MINT_AMOUNT,\n \"VALUE_TOO_LARGE\"\n );\n\n _mint(msg.sender, _value);\n }\n}\n", + "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../tokens/ERC721Token/MintableERC721Token.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract DummyERC721Token is\n Ownable,\n MintableERC721Token\n{\n string public name;\n string public symbol;\n\n constructor (\n string _name,\n string _symbol\n )\n public\n {\n name = _name;\n symbol = _symbol;\n }\n\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function mint(address _to, uint256 _tokenId)\n external\n {\n _mint(_to, _tokenId);\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist or not called by contract owner\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function burn(address _owner, uint256 _tokenId)\n external\n onlyOwner\n {\n _burn(_owner, _tokenId);\n }\n}\n", + "2.0.0/tokens/ERC20Token/ERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC20Token.sol\";\n\n\ncontract ERC20Token is\n IERC20Token\n{\n mapping (address => uint256) internal balances;\n mapping (address => mapping (address => uint256)) internal allowed;\n\n uint256 internal _totalSupply;\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool)\n {\n require(\n balances[msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[msg.sender] -= _value;\n balances[_to] += _value;\n\n emit Transfer(\n msg.sender,\n _to,\n _value\n );\n\n return true;\n }\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowed[_from][msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n allowed[_from][msg.sender] -= _value;\n \n emit Transfer(\n _from,\n _to,\n _value\n );\n \n return true;\n }\n\n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool)\n {\n allowed[msg.sender][_spender] = _value;\n emit Approval(\n msg.sender,\n _spender,\n _value\n );\n return true;\n }\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256)\n {\n return _totalSupply;\n }\n\n /// @dev Query the balance of owner\n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n return balances[_owner];\n }\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256)\n {\n return allowed[_owner][_spender];\n }\n}\n", + "2.0.0/tokens/ERC20Token/IERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n \n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n \n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", + "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/SafeMath/SafeMath.sol\";\nimport \"./UnlimitedAllowanceERC20Token.sol\";\n\n\ncontract MintableERC20Token is \n SafeMath,\n UnlimitedAllowanceERC20Token\n{\n /// @dev Mints new tokens\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _value Amount of tokens to mint\n function _mint(address _to, uint256 _value)\n internal\n {\n balances[_to] = safeAdd(_value, balances[_to]);\n _totalSupply = safeAdd(_totalSupply, _value);\n\n emit Transfer(\n address(0),\n _to,\n _value\n );\n }\n\n /// @dev Mints new tokens\n /// @param _owner Owner of tokens that will be burned\n /// @param _value Amount of tokens to burn\n function _burn(address _owner, uint256 _value)\n internal\n {\n balances[_owner] = safeSub(balances[_owner], _value);\n _totalSupply = safeSub(_totalSupply, _value);\n\n emit Transfer(\n _owner,\n address(0),\n _value\n );\n }\n}\n", + "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/ERC20Token.sol\";\n\n\ncontract UnlimitedAllowanceERC20Token is\n ERC20Token\n{\n uint256 constant internal MAX_UINT = 2**256 - 1;\n\n /// @dev ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited allowance. See https://github.com/ethereum/EIPs/issues/717\n /// @param _from Address to transfer from.\n /// @param _to Address to transfer to.\n /// @param _value Amount to transfer.\n /// @return Success of transfer.\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n uint256 allowance = allowed[_from][msg.sender];\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowance >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n if (allowance < MAX_UINT) {\n allowed[_from][msg.sender] -= _value;\n }\n\n emit Transfer(\n _from,\n _to,\n _value\n );\n\n return true;\n }\n}\n", + "2.0.0/tokens/ERC721Token/ERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC721Token.sol\";\nimport \"./IERC721Receiver.sol\";\nimport \"../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract ERC721Token is\n IERC721Token,\n SafeMath\n{\n // Function selector for ERC721Receiver.onERC721Received\n // 0x150b7a02\n bytes4 constant internal ERC721_RECEIVED = bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"));\n\n // Mapping of tokenId => owner\n mapping (uint256 => address) internal owners;\n\n // Mapping of tokenId => approved address\n mapping (uint256 => address) internal approvals;\n\n // Mapping of owner => number of tokens owned\n mapping (address => uint256) internal balances;\n\n // Mapping of owner => operator => approved\n mapping (address => mapping (address => bool)) internal operatorApprovals;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n _data\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n \"\"\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external\n {\n address owner = ownerOf(_tokenId);\n require(\n msg.sender == owner || isApprovedForAll(owner, msg.sender),\n \"ERC721_INVALID_SENDER\"\n );\n\n approvals[_tokenId] = _approved;\n emit Approval(\n owner,\n _approved,\n _tokenId\n );\n }\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external\n {\n operatorApprovals[msg.sender][_operator] = _approved;\n emit ApprovalForAll(\n msg.sender,\n _operator,\n _approved\n );\n }\n \n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return balances[_owner];\n }\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = ownerOf(_tokenId);\n require(\n _from == owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n address spender = msg.sender;\n address approvedAddress = getApproved(_tokenId);\n require(\n spender == owner ||\n isApprovedForAll(owner, spender) ||\n approvedAddress == spender,\n \"ERC721_INVALID_SPENDER\"\n );\n\n if (approvedAddress != address(0)) {\n approvals[_tokenId] = address(0);\n }\n\n owners[_tokenId] = _to;\n balances[_from] = safeSub(balances[_from], 1);\n balances[_to] = safeAdd(balances[_to], 1);\n \n emit Transfer(\n _from,\n _to,\n _tokenId\n );\n }\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address)\n {\n address owner = owners[_tokenId];\n require(\n owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return owner;\n }\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId)\n public\n view\n returns (address)\n {\n return approvals[_tokenId];\n }\n\n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool)\n {\n return operatorApprovals[_owner][_operator];\n }\n}\n", + "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Receiver {\n\n /// @notice Handle the receipt of an NFT\n /// @dev The ERC721 smart contract calls this function on the recipient\n /// after a `transfer`. This function MAY throw to revert and reject the\n /// transfer. Return of other than the magic value MUST result in the\n /// transaction being reverted.\n /// Note: the contract address is always the message sender.\n /// @param _operator The address which called `safeTransferFrom` function\n /// @param _from The address which previously owned the token\n /// @param _tokenId The NFT identifier which is being transferred\n /// @param _data Additional data with no specified format\n /// @return `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`\n /// unless throwing\n function onERC721Received(\n address _operator,\n address _from,\n uint256 _tokenId,\n bytes _data\n )\n external\n returns (bytes4);\n}\n", + "2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Token {\n\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(\n address indexed _owner,\n address indexed _approved,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(\n address indexed _owner,\n address indexed _operator,\n bool _approved\n );\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// perator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external;\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public;\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address);\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) \n public\n view\n returns (address);\n \n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool);\n}\n", + "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./ERC721Token.sol\";\n\n\ncontract MintableERC721Token is\n ERC721Token\n{\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function _mint(address _to, uint256 _tokenId)\n internal\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == address(0),\n \"ERC721_OWNER_ALREADY_EXISTS\"\n );\n\n owners[_tokenId] = _to;\n balances[_to] = safeAdd(balances[_to], 1);\n\n emit Transfer(\n address(0),\n _to,\n _tokenId\n );\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function _burn(address _owner, uint256 _tokenId)\n internal\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == _owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n owners[_tokenId] = address(0);\n balances[_owner] = safeSub(balances[_owner], 1);\n\n emit Transfer(\n _owner,\n address(0),\n _tokenId\n );\n }\n}\n", + "2.0.0/tokens/EtherToken/IEtherToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/IERC20Token.sol\";\n\n\ncontract IEtherToken is\n IERC20Token\n{\n function deposit()\n public\n payable;\n \n function withdraw(uint256 amount)\n public;\n}\n", + "2.0.0/utils/LibBytes/LibBytes.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\nlibrary LibBytes {\n\n using LibBytes for bytes;\n\n /// @dev Gets the memory address for a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of byte array. This\n /// points to the header of the byte array which contains\n /// the length.\n function rawAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := input\n }\n return memoryAddress;\n }\n \n /// @dev Gets the memory address for the contents of a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of the contents of the byte array.\n function contentAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := add(input, 32)\n }\n return memoryAddress;\n }\n\n /// @dev Copies `length` bytes from memory location `source` to `dest`.\n /// @param dest memory address to copy bytes to.\n /// @param source memory address to copy bytes from.\n /// @param length number of bytes to copy.\n function memCopy(\n uint256 dest,\n uint256 source,\n uint256 length\n )\n internal\n pure\n {\n if (length < 32) {\n // Handle a partial word by reading destination and masking\n // off the bits we are interested in.\n // This correctly handles overlap, zero lengths and source == dest\n assembly {\n let mask := sub(exp(256, sub(32, length)), 1)\n let s := and(mload(source), not(mask))\n let d := and(mload(dest), mask)\n mstore(dest, or(s, d))\n }\n } else {\n // Skip the O(length) loop when source == dest.\n if (source == dest) {\n return;\n }\n\n // For large copies we copy whole words at a time. The final\n // word is aligned to the end of the range (instead of after the\n // previous) to handle partial words. So a copy will look like this:\n //\n // ####\n // ####\n // ####\n // ####\n //\n // We handle overlap in the source and destination range by\n // changing the copying direction. This prevents us from\n // overwriting parts of source that we still need to copy.\n //\n // This correctly handles source == dest\n //\n if (source > dest) {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because it\n // is easier to compare with in the loop, and these\n // are also the addresses we need for copying the\n // last bytes.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the last 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the last bytes in\n // source already due to overlap.\n let last := mload(sEnd)\n\n // Copy whole words front to back\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} lt(source, sEnd) {} {\n mstore(dest, mload(source))\n source := add(source, 32)\n dest := add(dest, 32)\n }\n \n // Write the last 32 bytes\n mstore(dEnd, last)\n }\n } else {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because those\n // are the starting points when copying a word at the end.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the first 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the first bytes in\n // source already due to overlap.\n let first := mload(source)\n\n // Copy whole words back to front\n // We use a signed comparisson here to allow dEnd to become\n // negative (happens when source and dest < 32). Valid\n // addresses in local memory will never be larger than\n // 2**255, so they can be safely re-interpreted as signed.\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} slt(dest, dEnd) {} {\n mstore(dEnd, mload(sEnd))\n sEnd := sub(sEnd, 32)\n dEnd := sub(dEnd, 32)\n }\n \n // Write the first 32 bytes\n mstore(dest, first)\n }\n }\n }\n }\n\n /// @dev Returns a slices from a byte array.\n /// @param b The byte array to take a slice from.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n function slice(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure and copy contents\n result = new bytes(to - from);\n memCopy(\n result.contentAddress(),\n b.contentAddress() + from,\n result.length\n );\n return result;\n }\n \n /// @dev Returns a slice from a byte array without preserving the input.\n /// @param b The byte array to take a slice from. Will be destroyed in the process.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n /// @dev When `from == 0`, the original array will match the slice. In other cases its state will be corrupted.\n function sliceDestructive(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure around [from, to) in-place.\n assembly {\n result := add(b, from)\n mstore(result, sub(to, from))\n }\n return result;\n }\n\n /// @dev Pops the last byte off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The byte that was popped off.\n function popLastByte(bytes memory b)\n internal\n pure\n returns (bytes1 result)\n {\n require(\n b.length > 0,\n \"GREATER_THAN_ZERO_LENGTH_REQUIRED\"\n );\n\n // Store last byte.\n result = b[b.length - 1];\n\n assembly {\n // Decrement length of byte array.\n let newLen := sub(mload(b), 1)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Pops the last 20 bytes off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The 20 byte address that was popped off.\n function popLast20Bytes(bytes memory b)\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= 20,\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Store last 20 bytes.\n result = readAddress(b, b.length - 20);\n\n assembly {\n // Subtract 20 from byte array length.\n let newLen := sub(mload(b), 20)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Tests equality of two byte arrays.\n /// @param lhs First byte array to compare.\n /// @param rhs Second byte array to compare.\n /// @return True if arrays are the same. False otherwise.\n function equals(\n bytes memory lhs,\n bytes memory rhs\n )\n internal\n pure\n returns (bool equal)\n {\n // Keccak gas cost is 30 + numWords * 6. This is a cheap way to compare.\n // We early exit on unequal lengths, but keccak would also correctly\n // handle this.\n return lhs.length == rhs.length && keccak256(lhs) == keccak256(rhs);\n }\n\n /// @dev Reads an address from a position in a byte array.\n /// @param b Byte array containing an address.\n /// @param index Index in byte array of address.\n /// @return address from byte array.\n function readAddress(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Read address from array memory\n assembly {\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 20-byte mask to obtain address\n result := and(mload(add(b, index)), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n return result;\n }\n\n /// @dev Writes an address into a specific position in a byte array.\n /// @param b Byte array to insert address into.\n /// @param index Index in byte array of address.\n /// @param input Address to put into byte array.\n function writeAddress(\n bytes memory b,\n uint256 index,\n address input\n )\n internal\n pure\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Store address into array memory\n assembly {\n // The address occupies 20 bytes and mstore stores 32 bytes.\n // First fetch the 32-byte word where we'll be storing the address, then\n // apply a mask so we have only the bytes in the word that the address will not occupy.\n // Then combine these bytes with the address and store the 32 bytes back to memory with mstore.\n\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 12-byte mask to obtain extra bytes occupying word of memory where we'll store the address\n let neighbors := and(\n mload(add(b, index)),\n 0xffffffffffffffffffffffff0000000000000000000000000000000000000000\n )\n \n // Make sure input address is clean.\n // (Solidity does not guarantee this)\n input := and(input, 0xffffffffffffffffffffffffffffffffffffffff)\n\n // Store the neighbors and address into memory\n mstore(add(b, index), xor(input, neighbors))\n }\n }\n\n /// @dev Reads a bytes32 value from a position in a byte array.\n /// @param b Byte array containing a bytes32 value.\n /// @param index Index in byte array of bytes32 value.\n /// @return bytes32 value from byte array.\n function readBytes32(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes32 result)\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n result := mload(add(b, index))\n }\n return result;\n }\n\n /// @dev Writes a bytes32 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes32 to put into byte array.\n function writeBytes32(\n bytes memory b,\n uint256 index,\n bytes32 input\n )\n internal\n pure\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n mstore(add(b, index), input)\n }\n }\n\n /// @dev Reads a uint256 value from a position in a byte array.\n /// @param b Byte array containing a uint256 value.\n /// @param index Index in byte array of uint256 value.\n /// @return uint256 value from byte array.\n function readUint256(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (uint256 result)\n {\n result = uint256(readBytes32(b, index));\n return result;\n }\n\n /// @dev Writes a uint256 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input uint256 to put into byte array.\n function writeUint256(\n bytes memory b,\n uint256 index,\n uint256 input\n )\n internal\n pure\n {\n writeBytes32(b, index, bytes32(input));\n }\n\n /// @dev Reads an unpadded bytes4 value from a position in a byte array.\n /// @param b Byte array containing a bytes4 value.\n /// @param index Index in byte array of bytes4 value.\n /// @return bytes4 value from byte array.\n function readBytes4(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes4 result)\n {\n require(\n b.length >= index + 4,\n \"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 32 byte length field\n index += 32;\n\n // Read the bytes4 from array memory\n assembly {\n result := mload(add(b, index))\n // Solidity does not require us to clean the trailing bytes.\n // We do it anyway\n result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)\n }\n return result;\n }\n\n /// @dev Reads nested bytes from a specific position.\n /// @dev NOTE: the returned value overlaps with the input value.\n /// Both should be treated as immutable.\n /// @param b Byte array containing nested bytes.\n /// @param index Index of nested bytes.\n /// @return result Nested bytes.\n function readBytesWithLength(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes memory result)\n {\n // Read length of nested bytes\n uint256 nestedBytesLength = readUint256(b, index);\n index += 32;\n\n // Assert length of is valid, given\n // length of nested bytes\n require(\n b.length >= index + nestedBytesLength,\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n \n // Return a pointer to the byte array as it exists inside `b`\n assembly {\n result := add(b, index)\n }\n return result;\n }\n\n /// @dev Inserts bytes at a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes to insert.\n function writeBytesWithLength(\n bytes memory b,\n uint256 index,\n bytes memory input\n )\n internal\n pure\n {\n // Assert length of is valid, given\n // length of input\n require(\n b.length >= index + 32 + input.length, // 32 bytes to store length\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n\n // Copy into \n memCopy(\n b.contentAddress() + index,\n input.rawAddress(), // includes length of \n input.length + 32 // +32 bytes to store length\n );\n }\n\n /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length.\n /// @param dest Byte array that will be overwritten with source bytes.\n /// @param source Byte array to copy onto dest bytes.\n function deepCopyBytes(\n bytes memory dest,\n bytes memory source\n )\n internal\n pure\n {\n uint256 sourceLen = source.length;\n // Dest length must be >= source length, or some bytes would not be copied.\n require(\n dest.length >= sourceLen,\n \"GREATER_OR_EQUAL_TO_SOURCE_BYTES_LENGTH_REQUIRED\"\n );\n memCopy(\n dest.contentAddress(),\n source.contentAddress(),\n sourceLen\n );\n }\n}\n", + "2.0.0/utils/Ownable/IOwnable.sol": "pragma solidity 0.4.24;\n\n\ncontract IOwnable {\n\n function transferOwnership(address newOwner)\n public;\n}\n", + "2.0.0/utils/Ownable/Ownable.sol": "pragma solidity 0.4.24;\n\nimport \"./IOwnable.sol\";\n\n\ncontract Ownable is\n IOwnable\n{\n address public owner;\n\n constructor ()\n public\n {\n owner = msg.sender;\n }\n\n modifier onlyOwner() {\n require(\n msg.sender == owner,\n \"ONLY_CONTRACT_OWNER\"\n );\n _;\n }\n\n function transferOwnership(address newOwner)\n public\n onlyOwner\n {\n if (newOwner != address(0)) {\n owner = newOwner;\n }\n }\n}\n", + "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ReentrancyGuard {\n\n // Locked state of mutex\n bool private locked = false;\n\n /// @dev Functions with this modifer cannot be reentered. The mutex will be locked\n /// before function execution and unlocked after.\n modifier nonReentrant() {\n // Ensure mutex is unlocked\n require(\n !locked,\n \"REENTRANCY_ILLEGAL\"\n );\n\n // Lock mutex before function call\n locked = true;\n\n // Perform function call\n _;\n\n // Unlock mutex after function call\n locked = false;\n }\n}\n", + "2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n\n function safeMul(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(\n c / a == b,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function safeDiv(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a / b;\n return c;\n }\n\n function safeSub(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n require(\n b <= a,\n \"UINT256_UNDERFLOW\"\n );\n return a - b;\n }\n\n function safeAdd(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a + b;\n require(\n c >= a,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function max64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n\n function max256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n}\n" + }, + "sourceTreeHashHex": "0x7c03657f568331e5dbdd3212ed6be6074760e096f601ee84ad8c0fa46acd293f", + "compiler": { + "name": "solc", + "version": "soljson-v0.4.24+commit.e67f0147.js", + "settings": { + "optimizer": { + "enabled": true, + "runs": 1000000 + }, + "outputSelection": { + "*": { + "*": [ + "abi", + "evm.bytecode.object", + "evm.bytecode.sourceMap", + "evm.deployedBytecode.object", + "evm.deployedBytecode.sourceMap" + ] + } + } + } + }, + "networks": {} +} \ No newline at end of file diff --git a/packages/migrations/artifacts/2.0.0-testnet/ERC20Proxy.json b/packages/migrations/artifacts/2.0.0-testnet/ERC20Proxy.json new file mode 100644 index 000000000..17ca039b5 --- /dev/null +++ b/packages/migrations/artifacts/2.0.0-testnet/ERC20Proxy.json @@ -0,0 +1,508 @@ +{ + "schemaVersion": "2.0.0", + "contractName": "ERC20Proxy", + "compilerOutput": { + "abi": [ + { + "constant": false, + "inputs": [ + { + "name": "target", + "type": "address" + } + ], + "name": "addAuthorizedAddress", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "", + "type": "uint256" + } + ], + "name": "authorities", + "outputs": [ + { + "name": "", + "type": "address" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "target", + "type": "address" + } + ], + "name": "removeAuthorizedAddress", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "owner", + "outputs": [ + { + "name": "", + "type": "address" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "target", + "type": "address" + }, + { + "name": "index", + "type": "uint256" + } + ], + "name": "removeAuthorizedAddressAtIndex", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "getProxyId", + "outputs": [ + { + "name": "", + "type": "bytes4" + } + ], + "payable": false, + "stateMutability": "pure", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "", + "type": "address" + } + ], + "name": "authorized", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "getAuthorizedAddresses", + "outputs": [ + { + "name": "", + "type": "address[]" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "newOwner", + "type": "address" + } + ], + "name": "transferOwnership", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "payable": false, + "stateMutability": "nonpayable", + "type": "fallback" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "target", + "type": "address" + }, + { + "indexed": true, + "name": "caller", + "type": "address" + } + ], + "name": "AuthorizedAddressAdded", + "type": "event" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "target", + "type": "address" + }, + { + "indexed": true, + "name": "caller", + "type": "address" + } + ], + "name": "AuthorizedAddressRemoved", + "type": "event" + } + ], + "evm": { + "bytecode": { + "linkReferences": {}, + "object": 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0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ PUSH2 0xBC2 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1B PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x415554484F52495A45445F414444524553535F4D49534D415443480000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE PUSH1 0x2 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 ADD SWAP1 DUP2 LT PUSH2 0xC3D JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH1 0x2 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND SWAP2 DUP4 SWAP1 DUP2 LT PUSH2 0xC70 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP3 SWAP1 SWAP3 AND SWAP2 SWAP1 SWAP2 OR SWAP1 SSTORE PUSH1 0x2 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 PUSH2 0xCEF SWAP1 DUP3 PUSH2 0xED7 JUMP JUMPDEST POP PUSH1 0x40 MLOAD CALLER SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND SWAP1 PUSH32 0x1F32C1B084E2DE0713B8FB16BD46BB9DF710A3DBEAE2F3CA93AF46E016DCC6B0 SWAP1 PUSH1 0x0 SWAP1 LOG3 POP POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x4552433230546F6B656E28616464726573732900000000000000000000000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x13 ADD SWAP1 KECCAK256 JUMPDEST SWAP1 JUMP JUMPDEST PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x2 DUP1 SLOAD DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP1 SLOAD DUP1 ISZERO PUSH2 0xDE7 JUMPI PUSH1 0x20 MUL DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0xDBC JUMPI JUMPDEST POP POP POP POP POP SWAP1 POP SWAP1 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xE77 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0xED4 JUMPI PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND OR SWAP1 SSTORE JUMPDEST POP JUMP JUMPDEST DUP2 SLOAD DUP2 DUP4 SSTORE DUP2 DUP2 GT ISZERO PUSH2 0xEFB JUMPI PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x20 SWAP1 KECCAK256 PUSH2 0xEFB SWAP2 DUP2 ADD SWAP1 DUP4 ADD PUSH2 0xF00 JUMP JUMPDEST POP POP POP JUMP JUMPDEST PUSH2 0xD6A SWAP2 SWAP1 JUMPDEST DUP1 DUP3 GT ISZERO PUSH2 0xF1A JUMPI PUSH1 0x0 DUP2 SSTORE PUSH1 0x1 ADD PUSH2 0xF06 JUMP JUMPDEST POP SWAP1 JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 0xf6 0xb2 0xca 0xdd LOG0 0xbe SWAP12 0x47 RETURN PUSH31 0xD4A850B096E49B5E2E8BB7446D65481ADECF980824A0002900000000000000 ", + "sourceMap": "641:8586:14:-;;;162:5:63;:18;;-1:-1:-1;;;;;;162:18:63;170:10;162:18;;;641:8586:14;;;;;;" + }, + "deployedBytecode": { + "linkReferences": {}, + "object": 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PUSH1 0x0 PUSH1 0x60 MSTORE PUSH1 0x64 PUSH1 0x0 REVERT JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x254 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x276 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x44C JUMP JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x284 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x290 PUSH1 0x4 CALLDATALOAD PUSH2 0x638 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2C5 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x276 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x66D JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2F3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x290 PUSH2 0x966 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x308 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x276 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x982 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x339 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x342 PUSH2 0xD37 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x383 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x3A5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0xD6D JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3C5 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x3CE PUSH2 0xD82 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 DUP2 ADD SWAP2 MUL DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x40A JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x3F2 JUMP JUMPDEST POP POP POP POP SWAP1 POP ADD SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x42A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x276 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0xDF1 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x4D2 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x567 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x19 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x5441524745545F414C52454144595F415554484F52495A454400000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND DUP4 OR SWAP1 SSTORE PUSH1 0x2 DUP1 SLOAD SWAP3 DUP4 ADD DUP2 SSTORE DUP4 MSTORE PUSH32 0x405787FA12A823E0F2B7631CC41B3BA8828B3321CA811111FA75CD3AA3BB5ACE SWAP1 SWAP2 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND DUP5 OR SWAP1 SSTORE MLOAD CALLER SWAP3 SWAP2 PUSH32 0x3147867C59D17E8FA9D522465651D44AAE0A9E38F902F3475B97E58072F0ED4C SWAP2 LOG3 POP JUMP JUMPDEST PUSH1 0x2 DUP1 SLOAD DUP3 SWAP1 DUP2 LT PUSH2 0x646 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 POP DUP2 JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x6F4 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x78A JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x5441524745545F4E4F545F415554484F52495A45440000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE JUMPDEST PUSH1 0x2 SLOAD DUP2 LT ISZERO PUSH2 0x91F JUMPI DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x2 DUP3 DUP2 SLOAD DUP2 LT ISZERO ISZERO PUSH2 0x807 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO PUSH2 0x917 JUMPI PUSH1 0x2 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 ADD SWAP1 DUP2 LT PUSH2 0x85F JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH1 0x2 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND SWAP2 DUP4 SWAP1 DUP2 LT PUSH2 0x892 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP3 SWAP1 SWAP3 AND SWAP2 SWAP1 SWAP2 OR SWAP1 SSTORE PUSH1 0x2 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 PUSH2 0x911 SWAP1 DUP3 PUSH2 0xED7 JUMP JUMPDEST POP PUSH2 0x91F JUMP JUMPDEST PUSH1 0x1 ADD PUSH2 0x7D7 JUMP JUMPDEST PUSH1 0x40 MLOAD CALLER SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND SWAP1 PUSH32 0x1F32C1B084E2DE0713B8FB16BD46BB9DF710A3DBEAE2F3CA93AF46E016DCC6B0 SWAP1 PUSH1 0x0 SWAP1 LOG3 POP POP JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xA08 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO ISZERO PUSH2 0xA9E JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x5441524745545F4E4F545F415554484F52495A45440000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x2 SLOAD DUP2 LT PUSH2 0xB0E JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x494E4445585F4F55545F4F465F424F554E445300000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x2 DUP3 DUP2 SLOAD DUP2 LT ISZERO ISZERO PUSH2 0xB34 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ PUSH2 0xBC2 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1B PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x415554484F52495A45445F414444524553535F4D49534D415443480000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE PUSH1 0x2 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 ADD SWAP1 DUP2 LT PUSH2 0xC3D JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH1 0x2 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND SWAP2 DUP4 SWAP1 DUP2 LT PUSH2 0xC70 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP3 SWAP1 SWAP3 AND SWAP2 SWAP1 SWAP2 OR SWAP1 SSTORE PUSH1 0x2 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 PUSH2 0xCEF SWAP1 DUP3 PUSH2 0xED7 JUMP JUMPDEST POP PUSH1 0x40 MLOAD CALLER SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND SWAP1 PUSH32 0x1F32C1B084E2DE0713B8FB16BD46BB9DF710A3DBEAE2F3CA93AF46E016DCC6B0 SWAP1 PUSH1 0x0 SWAP1 LOG3 POP POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x4552433230546F6B656E28616464726573732900000000000000000000000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x13 ADD SWAP1 KECCAK256 JUMPDEST SWAP1 JUMP JUMPDEST PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x2 DUP1 SLOAD DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP1 SLOAD DUP1 ISZERO PUSH2 0xDE7 JUMPI PUSH1 0x20 MUL DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0xDBC JUMPI JUMPDEST POP POP POP POP POP SWAP1 POP SWAP1 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xE77 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0xED4 JUMPI PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND OR SWAP1 SSTORE JUMPDEST POP JUMP JUMPDEST DUP2 SLOAD DUP2 DUP4 SSTORE DUP2 DUP2 GT ISZERO PUSH2 0xEFB JUMPI PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x20 SWAP1 KECCAK256 PUSH2 0xEFB SWAP2 DUP2 ADD SWAP1 DUP4 ADD PUSH2 0xF00 JUMP JUMPDEST POP POP POP JUMP JUMPDEST PUSH2 0xD6A SWAP2 SWAP1 JUMPDEST DUP1 DUP3 GT ISZERO PUSH2 0xF1A JUMPI PUSH1 0x0 DUP2 SSTORE PUSH1 0x1 ADD PUSH2 0xF06 JUMP JUMPDEST POP SWAP1 JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 0xf6 0xb2 0xca 0xdd LOG0 0xbe SWAP12 0x47 RETURN PUSH31 0xD4A850B096E49B5E2E8BB7446D65481ADECF980824A0002900000000000000 ", + "sourceMap": 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+ } + } + }, + "sources": { + "2.0.0/extensions/Forwarder/Forwarder.sol": { + "id": 0 + }, + "2.0.0/extensions/Forwarder/MixinAssets.sol": { + "id": 1 + }, + "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": { + "id": 2 + }, + "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": { + "id": 3 + }, + "2.0.0/extensions/Forwarder/MixinWeth.sol": { + "id": 4 + }, + "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": { + "id": 5 + }, + "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": { + "id": 6 + }, + "2.0.0/extensions/Forwarder/libs/LibConstants.sol": { + "id": 7 + }, + "2.0.0/extensions/Forwarder/mixins/MAssets.sol": { + "id": 8 + }, + "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": { + "id": 9 + }, + "2.0.0/extensions/Forwarder/mixins/MWeth.sol": { + "id": 10 + }, + "2.0.0/extensions/OrderValidator/OrderValidator.sol": { + "id": 11 + }, + "2.0.0/multisig/MultiSigWallet.sol": { + "id": 12 + }, + "2.0.0/multisig/MultiSigWalletWithTimeLock.sol": { + "id": 13 + }, + "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": { + "id": 14 + }, + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": { + "id": 15 + }, + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": { + "id": 16 + }, + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": { + "id": 17 + }, + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": { + "id": 18 + }, + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": { + "id": 19 + }, + "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": { + "id": 20 + }, + "2.0.0/protocol/Exchange/Exchange.sol": { + "id": 21 + }, + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": { + "id": 22 + }, + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": { + "id": 23 + }, + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": { + "id": 24 + }, + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": { + "id": 25 + }, + "2.0.0/protocol/Exchange/MixinTransactions.sol": { + "id": 26 + }, + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": { + "id": 27 + }, + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": { + "id": 28 + }, + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": { + "id": 29 + }, + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": { + "id": 30 + }, + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": { + "id": 31 + }, + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": { + "id": 32 + }, + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": { + "id": 33 + }, + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": { + "id": 34 + }, + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": { + "id": 35 + }, + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": { + "id": 36 + }, + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": { + "id": 37 + }, + "2.0.0/protocol/Exchange/libs/LibConstants.sol": { + "id": 38 + }, + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": { + "id": 39 + }, + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": { + "id": 40 + }, + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": { + "id": 41 + }, + "2.0.0/protocol/Exchange/libs/LibMath.sol": { + "id": 42 + }, + "2.0.0/protocol/Exchange/libs/LibOrder.sol": { + "id": 43 + }, + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": { + "id": 44 + }, + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": { + "id": 45 + }, + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": { + "id": 46 + }, + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": { + "id": 47 + }, + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": { + "id": 48 + }, + "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": { + "id": 49 + }, + "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": { + "id": 50 + }, + "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": { + "id": 51 + }, + "2.0.0/tokens/ERC20Token/ERC20Token.sol": { + "id": 52 + }, + "2.0.0/tokens/ERC20Token/IERC20Token.sol": { + "id": 53 + }, + "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": { + "id": 54 + }, + "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": { + "id": 55 + }, + "2.0.0/tokens/ERC721Token/ERC721Token.sol": { + "id": 56 + }, + "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": { + "id": 57 + }, + "2.0.0/tokens/ERC721Token/IERC721Token.sol": { + "id": 58 + }, + "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": { + "id": 59 + }, + "2.0.0/tokens/EtherToken/IEtherToken.sol": { + "id": 60 + }, + "2.0.0/utils/LibBytes/LibBytes.sol": { + "id": 61 + }, + "2.0.0/utils/Ownable/IOwnable.sol": { + "id": 62 + }, + "2.0.0/utils/Ownable/Ownable.sol": { + "id": 63 + }, + "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": { + "id": 64 + }, + "2.0.0/utils/SafeMath/SafeMath.sol": { + "id": 65 + } + }, + "sourceCodes": { + "2.0.0/extensions/Forwarder/Forwarder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinWeth.sol\";\nimport \"./MixinForwarderCore.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinAssets.sol\";\nimport \"./MixinExchangeWrapper.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Forwarder is\n LibConstants,\n MixinWeth,\n MixinAssets,\n MixinExchangeWrapper,\n MixinForwarderCore\n{\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n LibConstants(\n _exchange,\n _zrxAssetData,\n _wethAssetData\n )\n MixinForwarderCore()\n {}\n}\n", + "2.0.0/extensions/Forwarder/MixinAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MAssets.sol\";\n\n\ncontract MixinAssets is\n Ownable,\n LibConstants,\n MAssets\n{\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256(\"transfer(address,uint256)\"));\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external\n onlyOwner\n {\n transferAssetToSender(assetData, amount);\n }\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n bytes4 proxyId = assetData.readBytes4(0);\n\n if (proxyId == ERC20_DATA_ID) {\n transferERC20Token(assetData, amount);\n } else if (proxyId == ERC721_DATA_ID) {\n transferERC721Token(assetData, amount);\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n }\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n address token = assetData.readAddress(16);\n\n // Transfer tokens.\n // We do a raw call so we can check the success separate\n // from the return data.\n bool success = token.call(abi.encodeWithSelector(\n ERC20_TRANSFER_SELECTOR,\n msg.sender,\n amount\n ));\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n \n // Check return data.\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // value that evaluates to true.\n assembly {\n if returndatasize {\n success := 0\n if eq(returndatasize, 32) {\n // First 64 bytes of memory are reserved scratch space\n returndatacopy(0, 0, 32)\n success := mload(0)\n }\n }\n }\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n }\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n require(\n amount == 1,\n \"INVALID_AMOUNT\"\n );\n // Decode asset data.\n address token = assetData.readAddress(16);\n uint256 tokenId = assetData.readUint256(36);\n\n // Perform transfer.\n IERC721Token(token).transferFrom(\n address(this),\n msg.sender,\n tokenId\n );\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"../../protocol/Exchange/libs/LibAbiEncoder.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinExchangeWrapper is\n LibAbiEncoder,\n LibFillResults,\n LibMath,\n LibConstants,\n MExchangeWrapper\n{\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n address exchange = address(EXCHANGE);\n\n // Call `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := call(\n gas, // forward all gas\n exchange, // call address of Exchange contract\n 0, // transfer 0 wei\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of WETH to sell\n uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of WETH\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount;\n if (makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n\n require(\n makerAssetFilledAmount >= makerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n // Do nothing if zrxBuyAmount == 0\n if (zrxBuyAmount == 0) {\n return totalFillResults;\n }\n\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n uint256 zrxPurchased = 0;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // All of these are ZRX/WETH, so we can drop the respective assetData from calldata.\n orders[i].makerAssetData = zrxAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of ZRX to buy.\n uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased);\n\n // Convert the remaining amount of ZRX to buy into remaining amount\n // of WETH to sell, assuming entire amount can be sold in the current order.\n uint256 remainingWethSellAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees \n remainingZrxBuyAmount\n );\n\n // Attempt to sell the remaining amount of WETH.\n FillResults memory singleFillResult = fillOrderNoThrow(\n orders[i],\n safeAdd(remainingWethSellAmount, 1), // we add 1 wei to the fill amount to make up for rounding errors\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker.\n addFillResults(totalFillResults, singleFillResult);\n zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid);\n\n // Stop execution if the entire amount of ZRX has been bought.\n if (zrxPurchased >= zrxBuyAmount) {\n break;\n }\n }\n\n require(\n zrxPurchased >= zrxBuyAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\nimport \"./mixins/MAssets.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"./interfaces/IForwarderCore.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinForwarderCore is\n LibFillResults,\n LibMath,\n LibConstants,\n MWeth,\n MAssets,\n MExchangeWrapper,\n IForwarderCore\n{\n using LibBytes for bytes;\n\n /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf.\n constructor ()\n public\n {\n address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID);\n require(\n proxyAddress != address(0),\n \"UNREGISTERED_ASSET_PROXY\"\n );\n ETHER_TOKEN.approve(proxyAddress, MAX_UINT);\n ZRX_TOKEN.approve(proxyAddress, MAX_UINT);\n }\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 wethSellAmount;\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // Calculate amount of WETH that won't be spent on ETH fees.\n wethSellAmount = getPartialAmountFloor(\n PERCENTAGE_DENOMINATOR,\n safeAdd(PERCENTAGE_DENOMINATOR, feePercentage),\n msg.value\n );\n // Market sell available WETH.\n // ZRX fees are paid with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // 5% of WETH is reserved for filling feeOrders and paying feeRecipient.\n wethSellAmount = getPartialAmountFloor(\n MAX_WETH_FILL_PERCENTAGE,\n PERCENTAGE_DENOMINATOR,\n msg.value\n );\n // Market sell 95% of WETH.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // If the makerAsset is ZRX, it is not necessary to pay fees out of this\n // contracts's ZRX balance because fees are factored into the price of the order.\n orderFillResults = marketBuyExactZrxWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // Attemp to purchase desired amount of makerAsset.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketBuyExactAmountWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\n\n\ncontract MixinWeth is\n LibMath,\n LibConstants,\n MWeth\n{\n /// @dev Default payabale function, this allows us to withdraw WETH\n function ()\n public\n payable\n {\n require(\n msg.sender == address(ETHER_TOKEN),\n \"DEFAULT_FUNCTION_WETH_CONTRACT_ONLY\"\n );\n }\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal\n {\n require(\n msg.value > 0,\n \"INVALID_MSG_VALUE\"\n );\n ETHER_TOKEN.deposit.value(msg.value)();\n }\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal\n {\n // Ensure feePercentage is less than 5%.\n require(\n feePercentage <= MAX_FEE_PERCENTAGE,\n \"FEE_PERCENTAGE_TOO_LARGE\"\n );\n\n // Ensure that no extra WETH owned by this contract has been sold.\n uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx);\n require(\n wethSold <= msg.value,\n \"OVERSOLD_WETH\"\n );\n\n // Calculate amount of WETH that hasn't been sold.\n uint256 wethRemaining = safeSub(msg.value, wethSold);\n\n // Calculate ETH fee to pay to feeRecipient.\n uint256 ethFee = getPartialAmountFloor(\n feePercentage,\n PERCENTAGE_DENOMINATOR,\n wethSoldExcludingFeeOrders\n );\n\n // Ensure fee is less than amount of WETH remaining.\n require(\n ethFee <= wethRemaining,\n \"INSUFFICIENT_ETH_REMAINING\"\n );\n \n // Do nothing if no WETH remaining\n if (wethRemaining > 0) {\n // Convert remaining WETH to ETH\n ETHER_TOKEN.withdraw(wethRemaining);\n\n // Pay ETH to feeRecipient\n if (ethFee > 0) {\n feeRecipient.transfer(ethFee);\n }\n\n // Refund remaining ETH to msg.sender.\n uint256 ethRefund = safeSub(wethRemaining, ethFee);\n if (ethRefund > 0) {\n msg.sender.transfer(ethRefund);\n }\n }\n }\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssets {\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external;\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract IForwarderCore {\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n}\n", + "2.0.0/extensions/Forwarder/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/LibBytes/LibBytes.sol\";\nimport \"../../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../../tokens/EtherToken/IEtherToken.sol\";\nimport \"../../../tokens/ERC20Token/IERC20Token.sol\";\n\n\ncontract LibConstants {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n uint256 constant internal MAX_UINT = 2**256 - 1;\n uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; \n uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5%\n uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95%\n \n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n IEtherToken internal ETHER_TOKEN;\n IERC20Token internal ZRX_TOKEN;\n bytes internal ZRX_ASSET_DATA;\n bytes internal WETH_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n WETH_ASSET_DATA = _wethAssetData;\n\n address etherToken = _wethAssetData.readAddress(16);\n address zrxToken = _zrxAssetData.readAddress(16);\n ETHER_TOKEN = IEtherToken(etherToken);\n ZRX_TOKEN = IERC20Token(zrxToken);\n }\n}\n", + "2.0.0/extensions/Forwarder/mixins/MAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssets.sol\";\n\n\ncontract MAssets is\n IAssets\n{\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract MExchangeWrapper {\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n}\n", + "2.0.0/extensions/Forwarder/mixins/MWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract MWeth {\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal;\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal;\n}\n", + "2.0.0/extensions/OrderValidator/OrderValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract OrderValidator {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n struct TraderInfo {\n uint256 makerBalance; // Maker's balance of makerAsset\n uint256 makerAllowance; // Maker's allowance to corresponding AssetProxy\n uint256 takerBalance; // Taker's balance of takerAsset\n uint256 takerAllowance; // Taker's allowance to corresponding AssetProxy\n uint256 makerZrxBalance; // Maker's balance of ZRX\n uint256 makerZrxAllowance; // Maker's allowance of ZRX to ERC20Proxy\n uint256 takerZrxBalance; // Taker's balance of ZRX\n uint256 takerZrxAllowance; // Taker's allowance of ZRX to ERC20Proxy\n }\n\n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n bytes internal ZRX_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (address _exchange, bytes memory _zrxAssetData)\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n }\n\n /// @dev Fetches information for order and maker/taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return OrderInfo and TraderInfo instances for given order.\n function getOrderAndTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo, TraderInfo memory traderInfo)\n {\n orderInfo = EXCHANGE.getOrderInfo(order);\n traderInfo = getTraderInfo(order, takerAddress);\n return (orderInfo, traderInfo);\n }\n\n /// @dev Fetches information for all passed in orders and the makers/takers of each order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Arrays of OrderInfo and TraderInfo instances that correspond to each order.\n function getOrdersAndTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (LibOrder.OrderInfo[] memory ordersInfo, TraderInfo[] memory tradersInfo)\n {\n ordersInfo = EXCHANGE.getOrdersInfo(orders);\n tradersInfo = getTradersInfo(orders, takerAddresses);\n return (ordersInfo, tradersInfo);\n }\n\n /// @dev Fetches balance and allowances for maker and taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return Balances and allowances of maker and taker of order.\n function getTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (TraderInfo memory traderInfo)\n {\n (traderInfo.makerBalance, traderInfo.makerAllowance) = getBalanceAndAllowance(order.makerAddress, order.makerAssetData);\n (traderInfo.takerBalance, traderInfo.takerAllowance) = getBalanceAndAllowance(takerAddress, order.takerAssetData);\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n (traderInfo.makerZrxBalance, traderInfo.makerZrxAllowance) = getBalanceAndAllowance(order.makerAddress, zrxAssetData);\n (traderInfo.takerZrxBalance, traderInfo.takerZrxAllowance) = getBalanceAndAllowance(takerAddress, zrxAssetData);\n return traderInfo;\n }\n\n /// @dev Fetches balances and allowances of maker and taker for each provided order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Array of balances and allowances for maker and taker of each order.\n function getTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (TraderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n TraderInfo[] memory tradersInfo = new TraderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n tradersInfo[i] = getTraderInfo(orders[i], takerAddresses[i]);\n }\n return tradersInfo;\n }\n\n /// @dev Fetches token balances and allowances of an address to given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Encoded data that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balance of asset and allowance set to given proxy of asset.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalanceAndAllowance(address target, bytes memory assetData)\n public\n view\n returns (uint256 balance, uint256 allowance)\n {\n bytes4 assetProxyId = assetData.readBytes4(0);\n address token = assetData.readAddress(16);\n address assetProxy = EXCHANGE.getAssetProxy(assetProxyId);\n\n if (assetProxyId == ERC20_DATA_ID) {\n // Query balance\n balance = IERC20Token(token).balanceOf(target);\n\n // Query allowance\n allowance = IERC20Token(token).allowance(target, assetProxy);\n } else if (assetProxyId == ERC721_DATA_ID) {\n uint256 tokenId = assetData.readUint256(36);\n\n // Query owner of tokenId\n address owner = getERC721TokenOwner(token, tokenId);\n\n // Set balance to 1 if tokenId is owned by target\n balance = target == owner ? 1 : 0;\n\n // Check if ERC721Proxy is approved to spend tokenId\n bool isApproved = IERC721Token(token).isApprovedForAll(target, assetProxy) || IERC721Token(token).getApproved(tokenId) == assetProxy;\n \n // Set alowance to 1 if ERC721Proxy is approved to spend tokenId\n allowance = isApproved ? 1 : 0;\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n return (balance, allowance);\n }\n\n /// @dev Fetches token balances and allowances of an address for each given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Array of encoded byte arrays that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balances and allowances of assets.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalancesAndAllowances(address target, bytes[] memory assetData)\n public\n view\n returns (uint256[] memory, uint256[] memory)\n {\n uint256 length = assetData.length;\n uint256[] memory balances = new uint256[](length);\n uint256[] memory allowances = new uint256[](length);\n for (uint256 i = 0; i != length; i++) {\n (balances[i], allowances[i]) = getBalanceAndAllowance(target, assetData[i]);\n }\n return (balances, allowances);\n }\n\n /// @dev Calls `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token.\n /// @param token Address of ERC721 token.\n /// @param tokenId The identifier for the specific NFT.\n /// @return Owner of tokenId or null address if unowned.\n function getERC721TokenOwner(address token, uint256 tokenId)\n public\n view\n returns (address owner)\n {\n assembly {\n // load free memory pointer\n let cdStart := mload(64)\n\n // bytes4(keccak256(ownerOf(uint256))) = 0x6352211e\n mstore(cdStart, 0x6352211e00000000000000000000000000000000000000000000000000000000)\n mstore(add(cdStart, 4), tokenId)\n\n // staticcall `ownerOf(tokenId)`\n // `ownerOf` will revert if tokenId is not owned\n let success := staticcall(\n gas, // forward all gas\n token, // call token contract\n cdStart, // start of calldata\n 36, // length of input is 36 bytes\n cdStart, // write output over input\n 32 // size of output is 32 bytes\n )\n\n // Success implies that tokenId is owned\n // Copy owner from return data if successful\n if success {\n owner := mload(cdStart)\n } \n }\n\n // Owner initialized to address(0), no need to modify if call is unsuccessful\n return owner;\n }\n}\n", + "2.0.0/multisig/MultiSigWallet.sol": "// solhint-disable\npragma solidity ^0.4.15;\n\n\n/// @title Multisignature wallet - Allows multiple parties to agree on transactions before execution.\n/// @author Stefan George - \ncontract MultiSigWallet {\n\n /*\n * Events\n */\n event Confirmation(address indexed sender, uint indexed transactionId);\n event Revocation(address indexed sender, uint indexed transactionId);\n event Submission(uint indexed transactionId);\n event Execution(uint indexed transactionId);\n event ExecutionFailure(uint indexed transactionId);\n event Deposit(address indexed sender, uint value);\n event OwnerAddition(address indexed owner);\n event OwnerRemoval(address indexed owner);\n event RequirementChange(uint required);\n\n /*\n * Constants\n */\n uint constant public MAX_OWNER_COUNT = 50;\n\n /*\n * Storage\n */\n mapping (uint => Transaction) public transactions;\n mapping (uint => mapping (address => bool)) public confirmations;\n mapping (address => bool) public isOwner;\n address[] public owners;\n uint public required;\n uint public transactionCount;\n\n struct Transaction {\n address destination;\n uint value;\n bytes data;\n bool executed;\n }\n\n /*\n * Modifiers\n */\n modifier onlyWallet() {\n require(msg.sender == address(this));\n _;\n }\n\n modifier ownerDoesNotExist(address owner) {\n require(!isOwner[owner]);\n _;\n }\n\n modifier ownerExists(address owner) {\n require(isOwner[owner]);\n _;\n }\n\n modifier transactionExists(uint transactionId) {\n require(transactions[transactionId].destination != 0);\n _;\n }\n\n modifier confirmed(uint transactionId, address owner) {\n require(confirmations[transactionId][owner]);\n _;\n }\n\n modifier notConfirmed(uint transactionId, address owner) {\n require(!confirmations[transactionId][owner]);\n _;\n }\n\n modifier notExecuted(uint transactionId) {\n require(!transactions[transactionId].executed);\n _;\n }\n\n modifier notNull(address _address) {\n require(_address != 0);\n _;\n }\n\n modifier validRequirement(uint ownerCount, uint _required) {\n require(ownerCount <= MAX_OWNER_COUNT\n && _required <= ownerCount\n && _required != 0\n && ownerCount != 0);\n _;\n }\n\n /// @dev Fallback function allows to deposit ether.\n function()\n payable\n {\n if (msg.value > 0)\n Deposit(msg.sender, msg.value);\n }\n\n /*\n * Public functions\n */\n /// @dev Contract constructor sets initial owners and required number of confirmations.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n function MultiSigWallet(address[] _owners, uint _required)\n public\n validRequirement(_owners.length, _required)\n {\n for (uint i=0; i<_owners.length; i++) {\n require(!isOwner[_owners[i]] && _owners[i] != 0);\n isOwner[_owners[i]] = true;\n }\n owners = _owners;\n required = _required;\n }\n\n /// @dev Allows to add a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of new owner.\n function addOwner(address owner)\n public\n onlyWallet\n ownerDoesNotExist(owner)\n notNull(owner)\n validRequirement(owners.length + 1, required)\n {\n isOwner[owner] = true;\n owners.push(owner);\n OwnerAddition(owner);\n }\n\n /// @dev Allows to remove an owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner.\n function removeOwner(address owner)\n public\n onlyWallet\n ownerExists(owner)\n {\n isOwner[owner] = false;\n for (uint i=0; i owners.length)\n changeRequirement(owners.length);\n OwnerRemoval(owner);\n }\n\n /// @dev Allows to replace an owner with a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner to be replaced.\n /// @param newOwner Address of new owner.\n function replaceOwner(address owner, address newOwner)\n public\n onlyWallet\n ownerExists(owner)\n ownerDoesNotExist(newOwner)\n {\n for (uint i=0; i\n// solhint-disable not-rely-on-time\ncontract MultiSigWalletWithTimeLock is\n MultiSigWallet\n{\n event ConfirmationTimeSet(uint256 indexed transactionId, uint256 confirmationTime);\n event TimeLockChange(uint256 secondsTimeLocked);\n\n uint256 public secondsTimeLocked;\n\n mapping (uint256 => uint256) public confirmationTimes;\n\n modifier notFullyConfirmed(uint256 transactionId) {\n require(\n !isConfirmed(transactionId),\n \"TX_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier fullyConfirmed(uint256 transactionId) {\n require(\n isConfirmed(transactionId),\n \"TX_NOT_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier pastTimeLock(uint256 transactionId) {\n require(\n block.timestamp >= confirmationTimes[transactionId] + secondsTimeLocked,\n \"TIME_LOCK_INCOMPLETE\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations, and time lock.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] _owners,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWallet(_owners, _required)\n {\n secondsTimeLocked = _secondsTimeLocked;\n }\n\n /// @dev Changes the duration of the time lock for transactions.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n function changeTimeLock(uint256 _secondsTimeLocked)\n public\n onlyWallet\n {\n secondsTimeLocked = _secondsTimeLocked;\n emit TimeLockChange(_secondsTimeLocked);\n }\n\n /// @dev Allows an owner to confirm a transaction.\n /// @param transactionId Transaction ID.\n function confirmTransaction(uint256 transactionId)\n public\n ownerExists(msg.sender)\n transactionExists(transactionId)\n notConfirmed(transactionId, msg.sender)\n notFullyConfirmed(transactionId)\n {\n confirmations[transactionId][msg.sender] = true;\n emit Confirmation(msg.sender, transactionId);\n if (isConfirmed(transactionId)) {\n setConfirmationTime(transactionId, block.timestamp);\n }\n }\n\n /// @dev Allows anyone to execute a confirmed transaction.\n /// @param transactionId Transaction ID.\n function executeTransaction(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n pastTimeLock(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n\n /// @dev Sets the time of when a submission first passed.\n function setConfirmationTime(uint256 transactionId, uint256 confirmationTime)\n internal\n {\n confirmationTimes[transactionId] = confirmationTime;\n emit ConfirmationTimeSet(transactionId, confirmationTime);\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC20Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n \n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 1 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n\n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. amount |\n\n /////// Read token address from calldata ///////\n // * The token address is stored in `assetData`.\n //\n // * The \"offset to assetData\" is stored at offset 4 in the calldata (table 1).\n // [assetDataOffsetFromParams = calldataload(4)]\n //\n // * Notes that the \"offset to assetData\" is relative to the \"Params\" area of calldata;\n // add 4 bytes to account for the length of the \"Header\" area (table 1).\n // [assetDataOffsetFromHeader = assetDataOffsetFromParams + 4]\n //\n // * The \"token address\" is offset 32+4=36 bytes into \"assetData\" (tables 1 & 2).\n // [tokenOffset = assetDataOffsetFromHeader + 36 = calldataload(4) + 4 + 36]\n let token := calldataload(add(calldataload(4), 40))\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from`, `to` and `amount` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 96)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output over input\n 32 // output size should be 32 bytes\n )\n\n /////// Check return data. ///////\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // nonzero 32 bytes value.\n // So the transfer succeeded if the call succeeded and either\n // returned nothing, or returned a non-zero 32 byte value. \n success := and(success, or(\n iszero(returndatasize),\n and(\n eq(returndatasize, 32),\n gt(mload(0), 0)\n )\n ))\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC721Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 2 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n // | | 36 | | 2. tokenId |\n \n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. tokenId |\n\n // There exists only 1 of each token.\n // require(amount == 1, \"INVALID_AMOUNT\")\n if sub(calldataload(100), 1) {\n // Revert with `Error(\"INVALID_AMOUNT\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from` and `to` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 64)\n\n // Copy `tokenId` field from our own calldata to the new calldata.\n let assetDataOffset := calldataload(4)\n calldatacopy(68, add(assetDataOffset, 72), 32)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let token := calldataload(add(assetDataOffset, 40))\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output to null\n 0 // output size is 0 bytes\n )\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAuthorizable.sol\";\n\n\ncontract MixinAuthorizable is\n Ownable,\n MAuthorizable\n{\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized {\n require(\n authorized[msg.sender],\n \"SENDER_NOT_AUTHORIZED\"\n );\n _;\n }\n\n mapping (address => bool) public authorized;\n address[] public authorities;\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n !authorized[target],\n \"TARGET_ALREADY_AUTHORIZED\"\n );\n\n authorized[target] = true;\n authorities.push(target);\n emit AuthorizedAddressAdded(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n\n delete authorized[target];\n for (uint256 i = 0; i < authorities.length; i++) {\n if (authorities[i] == target) {\n authorities[i] = authorities[authorities.length - 1];\n authorities.length -= 1;\n break;\n }\n }\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n require(\n index < authorities.length,\n \"INDEX_OUT_OF_BOUNDS\"\n );\n require(\n authorities[index] == target,\n \"AUTHORIZED_ADDRESS_MISMATCH\"\n );\n\n delete authorized[target];\n authorities[index] = authorities[authorities.length - 1];\n authorities.length -= 1;\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory)\n {\n return authorities;\n }\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IAuthorizable.sol\";\n\n\ncontract IAssetProxy is\n IAuthorizable\n{\n /// @dev Transfers assets. Either succeeds or throws.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n function transferFrom(\n bytes assetData,\n address from,\n address to,\n uint256 amount\n )\n external;\n \n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4);\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/Ownable/IOwnable.sol\";\n\n\ncontract IAuthorizable is\n IOwnable\n{\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external;\n \n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory);\n}\n", + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAuthorizable.sol\";\n\n\ncontract MAuthorizable is\n IAuthorizable\n{\n // Event logged when a new address is authorized.\n event AuthorizedAddressAdded(\n address indexed target,\n address indexed caller\n );\n\n // Event logged when a currently authorized address is unauthorized.\n event AuthorizedAddressRemoved(\n address indexed target,\n address indexed caller\n );\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized { revert(); _; }\n}\n", + "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../multisig/MultiSigWalletWithTimeLock.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract AssetProxyOwner is\n MultiSigWalletWithTimeLock\n{\n using LibBytes for bytes;\n\n event AssetProxyRegistration(address assetProxyContract, bool isRegistered);\n\n // Mapping of AssetProxy contract address =>\n // if this contract is allowed to call the AssetProxy's `removeAuthorizedAddressAtIndex` method without a time lock.\n mapping (address => bool) public isAssetProxyRegistered;\n\n bytes4 constant internal REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR = bytes4(keccak256(\"removeAuthorizedAddressAtIndex(address,uint256)\"));\n\n /// @dev Function will revert if the transaction does not call `removeAuthorizedAddressAtIndex`\n /// on an approved AssetProxy contract.\n modifier validRemoveAuthorizedAddressAtIndexTx(uint256 transactionId) {\n Transaction storage txn = transactions[transactionId];\n require(\n isAssetProxyRegistered[txn.destination],\n \"UNREGISTERED_ASSET_PROXY\"\n );\n require(\n txn.data.readBytes4(0) == REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR,\n \"INVALID_FUNCTION_SELECTOR\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations,\n /// time lock, and list of AssetProxy addresses.\n /// @param _owners List of initial owners.\n /// @param _assetProxyContracts Array of AssetProxy contract addresses.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] memory _owners,\n address[] memory _assetProxyContracts,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWalletWithTimeLock(_owners, _required, _secondsTimeLocked)\n {\n for (uint256 i = 0; i < _assetProxyContracts.length; i++) {\n address assetProxy = _assetProxyContracts[i];\n require(\n assetProxy != address(0),\n \"INVALID_ASSET_PROXY\"\n );\n isAssetProxyRegistered[assetProxy] = true;\n }\n }\n\n /// @dev Registers or deregisters an AssetProxy to be able to execute\n /// `removeAuthorizedAddressAtIndex` without a timelock.\n /// @param assetProxyContract Address of AssetProxy contract.\n /// @param isRegistered Status of approval for AssetProxy contract.\n function registerAssetProxy(address assetProxyContract, bool isRegistered)\n public\n onlyWallet\n notNull(assetProxyContract)\n {\n isAssetProxyRegistered[assetProxyContract] = isRegistered;\n emit AssetProxyRegistration(assetProxyContract, isRegistered);\n }\n\n /// @dev Allows execution of `removeAuthorizedAddressAtIndex` without time lock.\n /// @param transactionId Transaction ID.\n function executeRemoveAuthorizedAddressAtIndex(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n validRemoveAuthorizedAddressAtIndexTx(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n}\n", + "2.0.0/protocol/Exchange/Exchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinExchangeCore.sol\";\nimport \"./MixinSignatureValidator.sol\";\nimport \"./MixinWrapperFunctions.sol\";\nimport \"./MixinAssetProxyDispatcher.sol\";\nimport \"./MixinTransactions.sol\";\nimport \"./MixinMatchOrders.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Exchange is\n MixinExchangeCore,\n MixinMatchOrders,\n MixinSignatureValidator,\n MixinTransactions,\n MixinAssetProxyDispatcher,\n MixinWrapperFunctions\n{\n string constant public VERSION = \"2.0.1-alpha\";\n\n // Mixins are instantiated in the order they are inherited\n constructor (bytes memory _zrxAssetData)\n public\n LibConstants(_zrxAssetData) // @TODO: Remove when we deploy.\n MixinExchangeCore()\n MixinMatchOrders()\n MixinSignatureValidator()\n MixinTransactions()\n MixinAssetProxyDispatcher()\n MixinWrapperFunctions()\n {}\n}\n", + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\nimport \"../AssetProxy/interfaces/IAssetProxy.sol\";\n\n\ncontract MixinAssetProxyDispatcher is\n Ownable,\n MAssetProxyDispatcher\n{\n // Mapping from Asset Proxy Id's to their respective Asset Proxy\n mapping (bytes4 => IAssetProxy) public assetProxies;\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external\n onlyOwner\n {\n IAssetProxy assetProxyContract = IAssetProxy(assetProxy);\n\n // Ensure that no asset proxy exists with current id.\n bytes4 assetProxyId = assetProxyContract.getProxyId();\n address currentAssetProxy = assetProxies[assetProxyId];\n require(\n currentAssetProxy == address(0),\n \"ASSET_PROXY_ALREADY_EXISTS\"\n );\n\n // Add asset proxy and log registration.\n assetProxies[assetProxyId] = assetProxyContract;\n emit AssetProxyRegistered(\n assetProxyId,\n assetProxy\n );\n }\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address)\n {\n return assetProxies[assetProxyId];\n }\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal\n {\n // Do nothing if no amount should be transferred.\n if (amount > 0 && from != to) {\n // Ensure assetData length is valid\n require(\n assetData.length > 3,\n \"LENGTH_GREATER_THAN_3_REQUIRED\"\n );\n \n // Lookup assetProxy. We do not use `LibBytes.readBytes4` for gas efficiency reasons.\n bytes4 assetProxyId;\n assembly {\n assetProxyId := and(mload(\n add(assetData, 32)),\n 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000\n )\n }\n address assetProxy = assetProxies[assetProxyId];\n\n // Ensure that assetProxy exists\n require(\n assetProxy != address(0),\n \"ASSET_PROXY_DOES_NOT_EXIST\"\n );\n \n // We construct calldata for the `assetProxy.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n\n assembly {\n /////// Setup State ///////\n // `cdStart` is the start of the calldata for `assetProxy.transferFrom` (equal to free memory ptr).\n let cdStart := mload(64)\n // `dataAreaLength` is the total number of words needed to store `assetData`\n // As-per the ABI spec, this value is padded up to the nearest multiple of 32,\n // and includes 32-bytes for length.\n let dataAreaLength := and(add(mload(assetData), 63), 0xFFFFFFFFFFFE0)\n // `cdEnd` is the end of the calldata for `assetProxy.transferFrom`.\n let cdEnd := add(cdStart, add(132, dataAreaLength))\n\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFromSelector`.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes.\n // Notes:\n // 1. The offset to `assetData` is the length of the Params Area (128 bytes).\n // 2. A 20-byte mask is applied to addresses to zero-out the unused bytes.\n mstore(add(cdStart, 4), 128)\n mstore(add(cdStart, 36), and(from, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 68), and(to, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 100), amount)\n \n /////// Setup Data Area ///////\n // This area holds `assetData`.\n let dataArea := add(cdStart, 132)\n // solhint-disable-next-line no-empty-blocks\n for {} lt(dataArea, cdEnd) {} {\n mstore(dataArea, mload(assetData))\n dataArea := add(dataArea, 32)\n assetData := add(assetData, 32)\n }\n\n /////// Call `assetProxy.transferFrom` using the constructed calldata ///////\n let success := call(\n gas, // forward all gas\n assetProxy, // call address of asset proxy\n 0, // don't send any ETH\n cdStart, // pointer to start of input\n sub(cdEnd, cdStart), // length of input \n cdStart, // write output over input\n 512 // reserve 512 bytes for output\n )\n if iszero(success) {\n revert(cdStart, returndatasize())\n }\n }\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinExchangeCore is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n LibOrder,\n LibFillResults,\n MAssetProxyDispatcher,\n MExchangeCore,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of orderHash => amount of takerAsset already bought by maker\n mapping (bytes32 => uint256) public filled;\n\n // Mapping of orderHash => cancelled\n mapping (bytes32 => bool) public cancelled;\n\n // Mapping of makerAddress => senderAddress => lowest salt an order can have in order to be fillable\n // Orders with specified senderAddress and with a salt less than their epoch are considered cancelled\n mapping (address => mapping (address => uint256)) public orderEpoch;\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external\n nonReentrant\n {\n address makerAddress = getCurrentContextAddress();\n // If this function is called via `executeTransaction`, we only update the orderEpoch for the makerAddress/msg.sender combination.\n // This allows external filter contracts to add rules to how orders are cancelled via this function.\n address senderAddress = makerAddress == msg.sender ? address(0) : msg.sender;\n\n // orderEpoch is initialized to 0, so to cancelUpTo we need salt + 1\n uint256 newOrderEpoch = targetOrderEpoch + 1; \n uint256 oldOrderEpoch = orderEpoch[makerAddress][senderAddress];\n\n // Ensure orderEpoch is monotonically increasing\n require(\n newOrderEpoch > oldOrderEpoch, \n \"INVALID_NEW_ORDER_EPOCH\"\n );\n\n // Update orderEpoch\n orderEpoch[makerAddress][senderAddress] = newOrderEpoch;\n emit CancelUpTo(\n makerAddress,\n senderAddress,\n newOrderEpoch\n );\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrder(Order memory order)\n public\n nonReentrant\n {\n cancelOrderInternal(order);\n }\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(Order memory order)\n public\n view\n returns (OrderInfo memory orderInfo)\n {\n // Compute the order hash\n orderInfo.orderHash = getOrderHash(order);\n\n // Fetch filled amount\n orderInfo.orderTakerAssetFilledAmount = filled[orderInfo.orderHash];\n\n // If order.makerAssetAmount is zero, we also reject the order.\n // While the Exchange contract handles them correctly, they create\n // edge cases in the supporting infrastructure because they have\n // an 'infinite' price when computed by a simple division.\n if (order.makerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_MAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // If order.takerAssetAmount is zero, then the order will always\n // be considered filled because 0 == takerAssetAmount == orderTakerAssetFilledAmount\n // Instead of distinguishing between unfilled and filled zero taker\n // amount orders, we choose not to support them.\n if (order.takerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_TAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // Validate order availability\n if (orderInfo.orderTakerAssetFilledAmount >= order.takerAssetAmount) {\n orderInfo.orderStatus = uint8(OrderStatus.FULLY_FILLED);\n return orderInfo;\n }\n\n // Validate order expiration\n // solhint-disable-next-line not-rely-on-time\n if (block.timestamp >= order.expirationTimeSeconds) {\n orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);\n return orderInfo;\n }\n\n // Check if order has been cancelled\n if (cancelled[orderInfo.orderHash]) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n if (orderEpoch[order.makerAddress][order.senderAddress] > order.salt) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n\n // All other statuses are ruled out: order is Fillable\n orderInfo.orderStatus = uint8(OrderStatus.FILLABLE);\n return orderInfo;\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // Fetch order info\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Assert that the order is fillable by taker\n assertFillableOrder(\n order,\n orderInfo,\n takerAddress,\n signature\n );\n \n // Get amount of takerAsset to fill\n uint256 remainingTakerAssetAmount = safeSub(order.takerAssetAmount, orderInfo.orderTakerAssetFilledAmount);\n uint256 takerAssetFilledAmount = min256(takerAssetFillAmount, remainingTakerAssetAmount);\n\n // Validate context\n assertValidFill(\n order,\n orderInfo,\n takerAssetFillAmount,\n takerAssetFilledAmount,\n fillResults.makerAssetFilledAmount\n );\n\n // Compute proportional fill amounts\n fillResults = calculateFillResults(order, takerAssetFilledAmount);\n\n // Update exchange internal state\n updateFilledState(\n order,\n takerAddress,\n orderInfo.orderHash,\n orderInfo.orderTakerAssetFilledAmount,\n fillResults\n );\n \n // Settle order\n settleOrder(\n order,\n takerAddress,\n fillResults\n );\n\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrderInternal(Order memory order)\n internal\n {\n // Fetch current order status\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Validate context\n assertValidCancel(order, orderInfo);\n\n // Perform cancel\n updateCancelledState(order, orderInfo.orderHash);\n }\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n function updateFilledState(\n Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n FillResults memory fillResults\n )\n internal\n {\n // Update state\n filled[orderHash] = safeAdd(orderTakerAssetFilledAmount, fillResults.takerAssetFilledAmount);\n\n // Log order\n emit Fill(\n order.makerAddress,\n order.feeRecipientAddress,\n takerAddress,\n msg.sender,\n fillResults.makerAssetFilledAmount,\n fillResults.takerAssetFilledAmount,\n fillResults.makerFeePaid,\n fillResults.takerFeePaid,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n Order memory order,\n bytes32 orderHash\n )\n internal\n {\n // Perform cancel\n cancelled[orderHash] = true;\n\n // Log cancel\n emit Cancel(\n order.makerAddress,\n order.feeRecipientAddress,\n msg.sender,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n Order memory order,\n OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view\n {\n // An order can only be filled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n \n // Validate sender is allowed to fill this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n \n // Validate taker is allowed to fill this order\n if (order.takerAddress != address(0)) {\n require(\n order.takerAddress == takerAddress,\n \"INVALID_TAKER\"\n );\n }\n \n // Validate Maker signature (check only if first time seen)\n if (orderInfo.orderTakerAssetFilledAmount == 0) {\n require(\n isValidSignature(\n orderInfo.orderHash,\n order.makerAddress,\n signature\n ),\n \"INVALID_ORDER_SIGNATURE\"\n );\n }\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n Order memory order,\n OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount, // TODO: use FillResults\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view\n {\n // Revert if fill amount is invalid\n // TODO: reconsider necessity for v2.1\n require(\n takerAssetFillAmount != 0,\n \"INVALID_TAKER_AMOUNT\"\n );\n \n // Make sure taker does not pay more than desired amount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n takerAssetFilledAmount <= takerAssetFillAmount,\n \"TAKER_OVERPAY\"\n );\n \n // Make sure order is not overfilled\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeAdd(orderInfo.orderTakerAssetFilledAmount, takerAssetFilledAmount) <= order.takerAssetAmount,\n \"ORDER_OVERFILL\"\n );\n \n // Make sure order is filled at acceptable price.\n // The order has an implied price from the makers perspective:\n // order price = order.makerAssetAmount / order.takerAssetAmount\n // i.e. the number of makerAsset maker is paying per takerAsset. The\n // maker is guaranteed to get this price or a better (lower) one. The\n // actual price maker is getting in this fill is:\n // fill price = makerAssetFilledAmount / takerAssetFilledAmount\n // We need `fill price <= order price` for the fill to be fair to maker.\n // This amounts to:\n // makerAssetFilledAmount order.makerAssetAmount\n // ------------------------ <= -----------------------\n // takerAssetFilledAmount order.takerAssetAmount\n // or, equivalently:\n // makerAssetFilledAmount * order.takerAssetAmount <=\n // order.makerAssetAmount * takerAssetFilledAmount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeMul(makerAssetFilledAmount, order.takerAssetAmount)\n <= \n safeMul(order.makerAssetAmount, takerAssetFilledAmount),\n \"INVALID_FILL_PRICE\"\n );\n }\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n Order memory order,\n OrderInfo memory orderInfo\n )\n internal\n view\n {\n // Ensure order is valid\n // An order can only be cancelled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Validate sender is allowed to cancel this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate transaction signed by maker\n address makerAddress = getCurrentContextAddress();\n require(\n order.makerAddress == makerAddress,\n \"INVALID_MAKER\"\n );\n }\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (FillResults memory fillResults)\n {\n // Compute proportional transfer amounts\n fillResults.takerAssetFilledAmount = takerAssetFilledAmount;\n fillResults.makerAssetFilledAmount = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n );\n fillResults.makerFeePaid = safeGetPartialAmountFloor(\n fillResults.makerAssetFilledAmount,\n order.makerAssetAmount,\n order.makerFee\n );\n fillResults.takerFeePaid = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.takerFee\n );\n\n return fillResults;\n }\n\n /// @dev Settles an order by transferring assets between counterparties.\n /// @param order Order struct containing order specifications.\n /// @param takerAddress Address selling takerAsset and buying makerAsset.\n /// @param fillResults Amounts to be filled and fees paid by maker and taker.\n function settleOrder(\n LibOrder.Order memory order,\n address takerAddress,\n LibFillResults.FillResults memory fillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n dispatchTransferFrom(\n order.makerAssetData,\n order.makerAddress,\n takerAddress,\n fillResults.makerAssetFilledAmount\n );\n dispatchTransferFrom(\n order.takerAssetData,\n takerAddress,\n order.makerAddress,\n fillResults.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n zrxAssetData,\n order.makerAddress,\n order.feeRecipientAddress,\n fillResults.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n order.feeRecipientAddress,\n fillResults.takerFeePaid\n );\n }\n}\n", + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": "/*\n Copyright 2018 ZeroEx Intl.\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n http://www.apache.org/licenses/LICENSE-2.0\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MMatchOrders.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinMatchOrders is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n MAssetProxyDispatcher,\n MExchangeCore,\n MMatchOrders,\n MTransactions\n{\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n nonReentrant\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We assume that rightOrder.takerAssetData == leftOrder.makerAssetData and rightOrder.makerAssetData == leftOrder.takerAssetData.\n // If this assumption isn't true, the match will fail at signature validation.\n rightOrder.makerAssetData = leftOrder.takerAssetData;\n rightOrder.takerAssetData = leftOrder.makerAssetData;\n\n // Get left & right order info\n LibOrder.OrderInfo memory leftOrderInfo = getOrderInfo(leftOrder);\n LibOrder.OrderInfo memory rightOrderInfo = getOrderInfo(rightOrder);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Either our context is valid or we revert\n assertFillableOrder(\n leftOrder,\n leftOrderInfo,\n takerAddress,\n leftSignature\n );\n assertFillableOrder(\n rightOrder,\n rightOrderInfo,\n takerAddress,\n rightSignature\n );\n assertValidMatch(leftOrder, rightOrder);\n\n // Compute proportional fill amounts\n matchedFillResults = calculateMatchedFillResults(\n leftOrder,\n rightOrder,\n leftOrderInfo.orderTakerAssetFilledAmount,\n rightOrderInfo.orderTakerAssetFilledAmount\n );\n\n // Validate fill contexts\n assertValidFill(\n leftOrder,\n leftOrderInfo,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.makerAssetFilledAmount\n );\n assertValidFill(\n rightOrder,\n rightOrderInfo,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n \n // Update exchange state\n updateFilledState(\n leftOrder,\n takerAddress,\n leftOrderInfo.orderHash,\n leftOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.left\n );\n updateFilledState(\n rightOrder,\n takerAddress,\n rightOrderInfo.orderHash,\n rightOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.right\n );\n\n // Settle matched orders. Succeeds or throws.\n settleMatchedOrders(\n leftOrder,\n rightOrder,\n takerAddress,\n matchedFillResults\n );\n\n return matchedFillResults;\n }\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure\n {\n // Make sure there is a profitable spread.\n // There is a profitable spread iff the cost per unit bought (OrderA.MakerAmount/OrderA.TakerAmount) for each order is greater\n // than the profit per unit sold of the matched order (OrderB.TakerAmount/OrderB.MakerAmount).\n // This is satisfied by the equations below:\n // / >= / \n // AND\n // / >= / \n // These equations can be combined to get the following:\n require(\n safeMul(leftOrder.makerAssetAmount, rightOrder.makerAssetAmount) >=\n safeMul(leftOrder.takerAssetAmount, rightOrder.takerAssetAmount),\n \"NEGATIVE_SPREAD_REQUIRED\"\n );\n }\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // Derive maker asset amounts for left & right orders, given store taker assert amounts\n uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);\n uint256 leftMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n leftTakerAssetAmountRemaining\n );\n uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);\n uint256 rightMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n rightOrder.makerAssetAmount,\n rightOrder.takerAssetAmount,\n rightTakerAssetAmountRemaining\n );\n\n // Calculate fill results for maker and taker assets: at least one order will be fully filled.\n // The maximum amount the left maker can buy is `leftTakerAssetAmountRemaining`\n // The maximum amount the right maker can sell is `rightMakerAssetAmountRemaining`\n // We have two distinct cases for calculating the fill results:\n // Case 1.\n // If the left maker can buy more than the right maker can sell, then only the right order is fully filled.\n // If the left maker can buy exactly what the right maker can sell, then both orders are fully filled.\n // Case 2.\n // If the left maker cannot buy more than the right maker can sell, then only the left order is fully filled.\n if (leftTakerAssetAmountRemaining >= rightMakerAssetAmountRemaining) {\n // Case 1: Right order is fully filled\n matchedFillResults.right.makerAssetFilledAmount = rightMakerAssetAmountRemaining;\n matchedFillResults.right.takerAssetFilledAmount = rightTakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = matchedFillResults.right.makerAssetFilledAmount;\n // Round down to ensure the maker's exchange rate does not exceed the price specified by the order. \n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.left.makerAssetFilledAmount = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n matchedFillResults.left.takerAssetFilledAmount\n );\n } else {\n // Case 2: Left order is fully filled\n matchedFillResults.left.makerAssetFilledAmount = leftMakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = leftTakerAssetAmountRemaining;\n matchedFillResults.right.makerAssetFilledAmount = matchedFillResults.left.takerAssetFilledAmount;\n // Round up to ensure the maker's exchange rate does not exceed the price specified by the order.\n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.right.takerAssetFilledAmount = safeGetPartialAmountCeil(\n rightOrder.takerAssetAmount,\n rightOrder.makerAssetAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n }\n\n // Calculate amount given to taker\n matchedFillResults.leftMakerAssetSpreadAmount = safeSub(\n matchedFillResults.left.makerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount\n );\n\n // Compute fees for left order\n matchedFillResults.left.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.makerAssetFilledAmount,\n leftOrder.makerAssetAmount,\n leftOrder.makerFee\n );\n matchedFillResults.left.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.takerAssetFilledAmount,\n leftOrder.takerAssetAmount,\n leftOrder.takerFee\n );\n\n // Compute fees for right order\n matchedFillResults.right.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.makerAssetFilledAmount,\n rightOrder.makerAssetAmount,\n rightOrder.makerFee\n );\n matchedFillResults.right.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.takerAssetFilledAmount,\n rightOrder.takerAssetAmount,\n rightOrder.takerFee\n );\n\n // Return fill results\n return matchedFillResults;\n }\n\n /// @dev Settles matched order by transferring appropriate funds between order makers, taker, and fee recipient.\n /// @param leftOrder First matched order.\n /// @param rightOrder Second matched order.\n /// @param takerAddress Address that matched the orders. The taker receives the spread between orders as profit.\n /// @param matchedFillResults Struct holding amounts to transfer between makers, taker, and fee recipients.\n function settleMatchedOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n address takerAddress,\n LibFillResults.MatchedFillResults memory matchedFillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n // Order makers and taker\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n rightOrder.makerAddress,\n matchedFillResults.right.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n rightOrder.makerAssetData,\n rightOrder.makerAddress,\n leftOrder.makerAddress,\n matchedFillResults.left.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n takerAddress,\n matchedFillResults.leftMakerAssetSpreadAmount\n );\n\n // Maker fees\n dispatchTransferFrom(\n zrxAssetData,\n leftOrder.makerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n rightOrder.makerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.makerFeePaid\n );\n\n // Taker fees\n if (leftOrder.feeRecipientAddress == rightOrder.feeRecipientAddress) {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n safeAdd(\n matchedFillResults.left.takerFeePaid,\n matchedFillResults.right.takerFeePaid\n )\n );\n } else {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.takerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.takerFeePaid\n );\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./interfaces/IWallet.sol\";\nimport \"./interfaces/IValidator.sol\";\n\n\ncontract MixinSignatureValidator is\n ReentrancyGuard,\n MSignatureValidator,\n MTransactions\n{\n using LibBytes for bytes;\n \n // Mapping of hash => signer => signed\n mapping (bytes32 => mapping (address => bool)) public preSigned;\n\n // Mapping of signer => validator => approved\n mapping (address => mapping (address => bool)) public allowedValidators;\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n {\n if (signerAddress != msg.sender) {\n require(\n isValidSignature(\n hash,\n signerAddress,\n signature\n ),\n \"INVALID_SIGNATURE\"\n );\n }\n preSigned[hash][signerAddress] = true;\n }\n\n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external\n nonReentrant\n {\n address signerAddress = getCurrentContextAddress();\n allowedValidators[signerAddress][validatorAddress] = approval;\n emit SignatureValidatorApproval(\n signerAddress,\n validatorAddress,\n approval\n );\n }\n\n /// @dev Verifies that a hash has been signed by the given signer.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid)\n {\n require(\n signature.length > 0,\n \"LENGTH_GREATER_THAN_0_REQUIRED\"\n );\n\n // Pop last byte off of signature byte array.\n uint8 signatureTypeRaw = uint8(signature.popLastByte());\n\n // Ensure signature is supported\n require(\n signatureTypeRaw < uint8(SignatureType.NSignatureTypes),\n \"SIGNATURE_UNSUPPORTED\"\n );\n\n SignatureType signatureType = SignatureType(signatureTypeRaw);\n\n // Variables are not scoped in Solidity.\n uint8 v;\n bytes32 r;\n bytes32 s;\n address recovered;\n\n // Always illegal signature.\n // This is always an implicit option since a signer can create a\n // signature array with invalid type or length. We may as well make\n // it an explicit option. This aids testing and analysis. It is\n // also the initialization value for the enum type.\n if (signatureType == SignatureType.Illegal) {\n revert(\"SIGNATURE_ILLEGAL\");\n\n // Always invalid signature.\n // Like Illegal, this is always implicitly available and therefore\n // offered explicitly. It can be implicitly created by providing\n // a correctly formatted but incorrect signature.\n } else if (signatureType == SignatureType.Invalid) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = false;\n return isValid;\n\n // Signature using EIP712\n } else if (signatureType == SignatureType.EIP712) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n hash,\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signed using web3.eth_sign\n } else if (signatureType == SignatureType.EthSign) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n32\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signature verified by wallet contract.\n // If used with an order, the maker of the order is the wallet contract.\n } else if (signatureType == SignatureType.Wallet) {\n isValid = isValidWalletSignature(\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signature verified by validator contract.\n // If used with an order, the maker of the order can still be an EOA.\n // A signature using this type should be encoded as:\n // | Offset | Length | Contents |\n // | 0x00 | x | Signature to validate |\n // | 0x00 + x | 20 | Address of validator contract |\n // | 0x14 + x | 1 | Signature type is always \"\\x06\" |\n } else if (signatureType == SignatureType.Validator) {\n // Pop last 20 bytes off of signature byte array.\n address validatorAddress = signature.popLast20Bytes();\n \n // Ensure signer has approved validator.\n if (!allowedValidators[signerAddress][validatorAddress]) {\n return false;\n }\n isValid = isValidValidatorSignature(\n validatorAddress,\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signer signed hash previously using the preSign function.\n } else if (signatureType == SignatureType.PreSigned) {\n isValid = preSigned[hash][signerAddress];\n return isValid;\n }\n\n // Anything else is illegal (We do not return false because\n // the signature may actually be valid, just not in a format\n // that we currently support. In this case returning false\n // may lead the caller to incorrectly believe that the\n // signature was invalid.)\n revert(\"SIGNATURE_UNSUPPORTED\");\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if signature is valid for given wallet..\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IWallet(walletAddress).isValidSignature.selector,\n hash,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n walletAddress, // address of Wallet contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"WALLET_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000c57414c4c45545f4552524f5200000000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IValidator(signerAddress).isValidSignature.selector,\n hash,\n signerAddress,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n validatorAddress, // address of Validator contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"VALIDATOR_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f56414c494441544f525f4552524f5200000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n}\n", + "2.0.0/protocol/Exchange/MixinTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"./libs/LibExchangeErrors.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./libs/LibEIP712.sol\";\n\n\ncontract MixinTransactions is\n LibEIP712,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of transaction hash => executed\n // This prevents transactions from being executed more than once.\n mapping (bytes32 => bool) public transactions;\n\n // Address of current transaction signer\n address public currentContextAddress;\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external\n {\n // Prevent reentrancy\n require(\n currentContextAddress == address(0),\n \"REENTRANCY_ILLEGAL\"\n );\n\n bytes32 transactionHash = hashEIP712Message(hashZeroExTransaction(\n salt,\n signerAddress,\n data\n ));\n\n // Validate transaction has not been executed\n require(\n !transactions[transactionHash],\n \"INVALID_TX_HASH\"\n );\n\n // Transaction always valid if signer is sender of transaction\n if (signerAddress != msg.sender) {\n // Validate signature\n require(\n isValidSignature(\n transactionHash,\n signerAddress,\n signature\n ),\n \"INVALID_TX_SIGNATURE\"\n );\n\n // Set the current transaction signer\n currentContextAddress = signerAddress;\n }\n\n // Execute transaction\n transactions[transactionHash] = true;\n require(\n address(this).delegatecall(data),\n \"FAILED_EXECUTION\"\n );\n\n // Reset current transaction signer if it was previously updated\n if (signerAddress != msg.sender) {\n currentContextAddress = address(0);\n }\n }\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;\n bytes32 dataHash = keccak256(data);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,\n // salt,\n // bytes32(signerAddress),\n // keccak256(data)\n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, schemaHash) // hash of schema\n mstore(add(memPtr, 32), salt) // salt\n mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff)) // signerAddress\n mstore(add(memPtr, 96), dataHash) // hash of data\n\n // Compute hash\n result := keccak256(memPtr, 128)\n }\n return result;\n }\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address)\n {\n address currentContextAddress_ = currentContextAddress;\n address contextAddress = currentContextAddress_ == address(0) ? msg.sender : currentContextAddress_;\n return contextAddress;\n }\n}\n", + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibAbiEncoder.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MWrapperFunctions.sol\";\n\n\ncontract MixinWrapperFunctions is\n ReentrancyGuard,\n LibMath,\n LibFillResults,\n LibAbiEncoder,\n MExchangeCore,\n MWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrKillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n // Delegate to `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := delegatecall(\n gas, // forward all gas\n address, // call address of this contract\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrKillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n \n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public\n nonReentrant\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n cancelOrderInternal(orders[i]);\n }\n }\n\n /// @dev Fetches information for all passed in orders.\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n LibOrder.OrderInfo[] memory ordersInfo = new LibOrder.OrderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n ordersInfo[i] = getOrderInfo(orders[i]);\n }\n return ordersInfo;\n }\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n require(\n fillResults.takerAssetFilledAmount == takerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return fillResults;\n }\n}\n", + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssetProxyDispatcher {\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external;\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./IExchangeCore.sol\";\nimport \"./IMatchOrders.sol\";\nimport \"./ISignatureValidator.sol\";\nimport \"./ITransactions.sol\";\nimport \"./IAssetProxyDispatcher.sol\";\nimport \"./IWrapperFunctions.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract IExchange is\n IExchangeCore,\n IMatchOrders,\n ISignatureValidator,\n ITransactions,\n IAssetProxyDispatcher,\n IWrapperFunctions\n{}\n", + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IExchangeCore {\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external;\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrder(LibOrder.Order memory order)\n public;\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(LibOrder.Order memory order)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IMatchOrders {\n\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ISignatureValidator {\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external;\n \n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external;\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address of signer.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\n\ncontract ITransactions {\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external;\n}\n", + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IValidator {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IWallet {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IWrapperFunctions {\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public;\n\n /// @dev Fetches information for all passed in orders\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory);\n}\n", + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./LibOrder.sol\";\n\n\ncontract LibAbiEncoder {\n\n /// @dev ABI encodes calldata for `fillOrder`.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return ABI encoded calldata for `fillOrder`.\n function abiEncodeFillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n pure\n returns (bytes memory fillOrderCalldata)\n {\n // We need to call MExchangeCore.fillOrder using a delegatecall in\n // assembly so that we can intercept a call that throws. For this, we\n // need the input encoded in memory in the Ethereum ABIv2 format [1].\n\n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0x00 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 0x00 | | 1. offset to order (*) |\n // | | 0x20 | | 2. takerAssetFillAmount |\n // | | 0x40 | | 3. offset to signature (*) |\n // | Data | | 12 * 32 | order: |\n // | | 0x000 | | 1. senderAddress |\n // | | 0x020 | | 2. makerAddress |\n // | | 0x040 | | 3. takerAddress |\n // | | 0x060 | | 4. feeRecipientAddress |\n // | | 0x080 | | 5. makerAssetAmount |\n // | | 0x0A0 | | 6. takerAssetAmount |\n // | | 0x0C0 | | 7. makerFeeAmount |\n // | | 0x0E0 | | 8. takerFeeAmount |\n // | | 0x100 | | 9. expirationTimeSeconds |\n // | | 0x120 | | 10. salt |\n // | | 0x140 | | 11. Offset to makerAssetData (*) |\n // | | 0x160 | | 12. Offset to takerAssetData (*) |\n // | | 0x180 | 32 | makerAssetData Length |\n // | | 0x1A0 | ** | makerAssetData Contents |\n // | | 0x1C0 | 32 | takerAssetData Length |\n // | | 0x1E0 | ** | takerAssetData Contents |\n // | | 0x200 | 32 | signature Length |\n // | | 0x220 | ** | signature Contents |\n\n // * Offsets are calculated from the beginning of the current area: Header, Params, Data:\n // An offset stored in the Params area is calculated from the beginning of the Params section.\n // An offset stored in the Data area is calculated from the beginning of the Data section.\n\n // ** The length of dynamic array contents are stored in the field immediately preceeding the contents.\n\n // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html\n\n assembly {\n\n // Areas below may use the following variables:\n // 1. Start -- Start of this area in memory\n // 2. End -- End of this area in memory. This value may\n // be precomputed (before writing contents),\n // or it may be computed as contents are written.\n // 3. Offset -- Current offset into area. If an area's End\n // is precomputed, this variable tracks the\n // offsets of contents as they are written.\n\n /////// Setup Header Area ///////\n // Load free memory pointer\n fillOrderCalldata := mload(0x40)\n // bytes4(keccak256(\"fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)\"))\n // = 0xb4be83d5\n // Leave 0x20 bytes to store the length\n mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000)\n let headerAreaEnd := add(fillOrderCalldata, 0x24)\n\n /////// Setup Params Area ///////\n // This area is preallocated and written to later.\n // This is because we need to fill in offsets that have not yet been calculated.\n let paramsAreaStart := headerAreaEnd\n let paramsAreaEnd := add(paramsAreaStart, 0x60)\n let paramsAreaOffset := paramsAreaStart\n\n /////// Setup Data Area ///////\n let dataAreaStart := paramsAreaEnd\n let dataAreaEnd := dataAreaStart\n\n // Offset from the source data we're reading from\n let sourceOffset := order\n // arrayLenBytes and arrayLenWords track the length of a dynamically-allocated bytes array.\n let arrayLenBytes := 0\n let arrayLenWords := 0\n\n /////// Write order Struct ///////\n // Write memory location of Order, relative to the start of the\n // parameter list, then increment the paramsAreaOffset respectively.\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n // Write values for each field in the order\n // It would be nice to use a loop, but we save on gas by writing\n // the stores sequentially.\n mstore(dataAreaEnd, mload(sourceOffset)) // makerAddress\n mstore(add(dataAreaEnd, 0x20), mload(add(sourceOffset, 0x20))) // takerAddress\n mstore(add(dataAreaEnd, 0x40), mload(add(sourceOffset, 0x40))) // feeRecipientAddress\n mstore(add(dataAreaEnd, 0x60), mload(add(sourceOffset, 0x60))) // senderAddress\n mstore(add(dataAreaEnd, 0x80), mload(add(sourceOffset, 0x80))) // makerAssetAmount\n mstore(add(dataAreaEnd, 0xA0), mload(add(sourceOffset, 0xA0))) // takerAssetAmount\n mstore(add(dataAreaEnd, 0xC0), mload(add(sourceOffset, 0xC0))) // makerFeeAmount\n mstore(add(dataAreaEnd, 0xE0), mload(add(sourceOffset, 0xE0))) // takerFeeAmount\n mstore(add(dataAreaEnd, 0x100), mload(add(sourceOffset, 0x100))) // expirationTimeSeconds\n mstore(add(dataAreaEnd, 0x120), mload(add(sourceOffset, 0x120))) // salt\n mstore(add(dataAreaEnd, 0x140), mload(add(sourceOffset, 0x140))) // Offset to makerAssetData\n mstore(add(dataAreaEnd, 0x160), mload(add(sourceOffset, 0x160))) // Offset to takerAssetData\n dataAreaEnd := add(dataAreaEnd, 0x180)\n sourceOffset := add(sourceOffset, 0x180)\n\n // Write offset to \n mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x140)) // makerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Write offset to \n mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x160)) // takerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n /////// Write takerAssetFillAmount ///////\n mstore(paramsAreaOffset, takerAssetFillAmount)\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n /////// Write signature ///////\n // Write offset to paramsArea\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n\n // Calculate length of signature\n sourceOffset := signature\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of signature\n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of signature\n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Set length of calldata\n mstore(fillOrderCalldata, sub(dataAreaEnd, add(fillOrderCalldata, 0x20)))\n\n // Increment free memory pointer\n mstore(0x40, dataAreaEnd)\n }\n\n return fillOrderCalldata;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\n// solhint-disable max-line-length\ncontract LibConstants {\n \n // Asset data for ZRX token. Used for fee transfers.\n // @TODO: Hardcode constant when we deploy. Currently \n // not constant to make testing easier.\n\n // The proxyId for ZRX_ASSET_DATA is bytes4(keccak256(\"ERC20Token(address)\")) = 0xf47261b0\n \n // Kovan ZRX address is 0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570.\n // The ABI encoded proxyId and address is 0xf47261b00000000000000000000000006ff6c0ff1d68b964901f986d4c9fa3ac68346570\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x6f\\xf6\\xc0\\xff\\x1d\\x68\\xb9\\x64\\x90\\x1f\\x98\\x6d\\x4c\\x9f\\xa3\\xac\\x68\\x34\\x65\\x70\";\n \n // Mainnet ZRX address is 0xe41d2489571d322189246dafa5ebde1f4699f498.\n // The ABI encoded proxyId and address is 0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xe4\\x1d\\x24\\x89\\x57\\x1d\\x32\\x21\\x89\\x24\\x6d\\xaf\\xa5\\xeb\\xde\\x1f\\x46\\x99\\xf4\\x98\";\n \n // solhint-disable-next-line var-name-mixedcase\n bytes public ZRX_ASSET_DATA;\n\n // @TODO: Remove when we deploy.\n constructor (bytes memory zrxAssetData)\n public\n {\n ZRX_ASSET_DATA = zrxAssetData;\n }\n}\n// solhint-enable max-line-length\n", + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract LibEIP712 {\n\n // EIP191 header for EIP712 prefix\n string constant internal EIP191_HEADER = \"\\x19\\x01\";\n\n // EIP712 Domain Name value\n string constant internal EIP712_DOMAIN_NAME = \"0x Protocol\";\n\n // EIP712 Domain Version value\n string constant internal EIP712_DOMAIN_VERSION = \"2\";\n\n // Hash of the EIP712 Domain Separator Schema\n bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"EIP712Domain(\",\n \"string name,\",\n \"string version,\",\n \"address verifyingContract\",\n \")\"\n ));\n\n // Hash of the EIP712 Domain Separator data\n // solhint-disable-next-line var-name-mixedcase\n bytes32 public EIP712_DOMAIN_HASH;\n\n constructor ()\n public\n {\n EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(\n EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,\n keccak256(bytes(EIP712_DOMAIN_NAME)),\n keccak256(bytes(EIP712_DOMAIN_VERSION)),\n bytes32(address(this))\n ));\n }\n\n /// @dev Calculates EIP712 encoding for a hash struct in this EIP712 Domain.\n /// @param hashStruct The EIP712 hash struct.\n /// @return EIP712 hash applied to this EIP712 Domain.\n function hashEIP712Message(bytes32 hashStruct)\n internal\n view\n returns (bytes32 result)\n {\n bytes32 eip712DomainHash = EIP712_DOMAIN_HASH;\n\n // Assembly for more efficient computing:\n // keccak256(abi.encodePacked(\n // EIP191_HEADER,\n // EIP712_DOMAIN_HASH,\n // hashStruct \n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, 0x1901000000000000000000000000000000000000000000000000000000000000) // EIP191 header\n mstore(add(memPtr, 2), eip712DomainHash) // EIP712 domain hash\n mstore(add(memPtr, 34), hashStruct) // Hash of struct\n\n // Compute hash\n result := keccak256(memPtr, 66)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity 0.4.24;\n\n\n/// @dev This contract documents the revert reasons used in the Exchange contract.\n/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons.\ncontract LibExchangeErrors {\n\n /// Order validation errors ///\n string constant ORDER_UNFILLABLE = \"ORDER_UNFILLABLE\"; // Order cannot be filled.\n string constant INVALID_MAKER = \"INVALID_MAKER\"; // Invalid makerAddress.\n string constant INVALID_TAKER = \"INVALID_TAKER\"; // Invalid takerAddress.\n string constant INVALID_SENDER = \"INVALID_SENDER\"; // Invalid `msg.sender`.\n string constant INVALID_ORDER_SIGNATURE = \"INVALID_ORDER_SIGNATURE\"; // Signature validation failed. \n \n /// fillOrder validation errors ///\n string constant INVALID_TAKER_AMOUNT = \"INVALID_TAKER_AMOUNT\"; // takerAssetFillAmount cannot equal 0.\n string constant ROUNDING_ERROR = \"ROUNDING_ERROR\"; // Rounding error greater than 0.1% of takerAssetFillAmount. \n \n /// Signature validation errors ///\n string constant INVALID_SIGNATURE = \"INVALID_SIGNATURE\"; // Signature validation failed. \n string constant SIGNATURE_ILLEGAL = \"SIGNATURE_ILLEGAL\"; // Signature type is illegal.\n string constant SIGNATURE_UNSUPPORTED = \"SIGNATURE_UNSUPPORTED\"; // Signature type unsupported.\n \n /// cancelOrdersUptTo errors ///\n string constant INVALID_NEW_ORDER_EPOCH = \"INVALID_NEW_ORDER_EPOCH\"; // Specified salt must be greater than or equal to existing orderEpoch.\n\n /// fillOrKillOrder errors ///\n string constant COMPLETE_FILL_FAILED = \"COMPLETE_FILL_FAILED\"; // Desired takerAssetFillAmount could not be completely filled. \n\n /// matchOrders errors ///\n string constant NEGATIVE_SPREAD_REQUIRED = \"NEGATIVE_SPREAD_REQUIRED\"; // Matched orders must have a negative spread.\n\n /// Transaction errors ///\n string constant REENTRANCY_ILLEGAL = \"REENTRANCY_ILLEGAL\"; // Recursive reentrancy is not allowed. \n string constant INVALID_TX_HASH = \"INVALID_TX_HASH\"; // Transaction has already been executed. \n string constant INVALID_TX_SIGNATURE = \"INVALID_TX_SIGNATURE\"; // Signature validation failed. \n string constant FAILED_EXECUTION = \"FAILED_EXECUTION\"; // Transaction execution failed. \n \n /// registerAssetProxy errors ///\n string constant ASSET_PROXY_ALREADY_EXISTS = \"ASSET_PROXY_ALREADY_EXISTS\"; // AssetProxy with same id already exists.\n\n /// dispatchTransferFrom errors ///\n string constant ASSET_PROXY_DOES_NOT_EXIST = \"ASSET_PROXY_DOES_NOT_EXIST\"; // No assetProxy registered at given id.\n string constant TRANSFER_FAILED = \"TRANSFER_FAILED\"; // Asset transfer unsuccesful.\n\n /// Length validation errors ///\n string constant LENGTH_GREATER_THAN_0_REQUIRED = \"LENGTH_GREATER_THAN_0_REQUIRED\"; // Byte array must have a length greater than 0.\n string constant LENGTH_GREATER_THAN_3_REQUIRED = \"LENGTH_GREATER_THAN_3_REQUIRED\"; // Byte array must have a length greater than 3.\n string constant LENGTH_0_REQUIRED = \"LENGTH_0_REQUIRED\"; // Byte array must have a length of 0.\n string constant LENGTH_65_REQUIRED = \"LENGTH_65_REQUIRED\"; // Byte array must have a length of 65.\n}\n", + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibFillResults is\n SafeMath\n{\n struct FillResults {\n uint256 makerAssetFilledAmount; // Total amount of makerAsset(s) filled.\n uint256 takerAssetFilledAmount; // Total amount of takerAsset(s) filled.\n uint256 makerFeePaid; // Total amount of ZRX paid by maker(s) to feeRecipient(s).\n uint256 takerFeePaid; // Total amount of ZRX paid by taker to feeRecipients(s).\n }\n\n struct MatchedFillResults {\n FillResults left; // Amounts filled and fees paid of left order.\n FillResults right; // Amounts filled and fees paid of right order.\n uint256 leftMakerAssetSpreadAmount; // Spread between price of left and right order, denominated in the left order's makerAsset, paid to taker.\n }\n\n /// @dev Adds properties of both FillResults instances.\n /// Modifies the first FillResults instance specified.\n /// @param totalFillResults Fill results instance that will be added onto.\n /// @param singleFillResults Fill results instance that will be added to totalFillResults.\n function addFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)\n internal\n pure\n {\n totalFillResults.makerAssetFilledAmount = safeAdd(totalFillResults.makerAssetFilledAmount, singleFillResults.makerAssetFilledAmount);\n totalFillResults.takerAssetFilledAmount = safeAdd(totalFillResults.takerAssetFilledAmount, singleFillResults.takerAssetFilledAmount);\n totalFillResults.makerFeePaid = safeAdd(totalFillResults.makerFeePaid, singleFillResults.makerFeePaid);\n totalFillResults.takerFeePaid = safeAdd(totalFillResults.takerFeePaid, singleFillResults.takerFeePaid);\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibMath.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibMath is\n SafeMath\n{\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function safeGetPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorFloor(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function safeGetPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorCeil(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function getPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function getPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // The absolute rounding error is the difference between the rounded\n // value and the ideal value. The relative rounding error is the\n // absolute rounding error divided by the absolute value of the\n // ideal value. This is undefined when the ideal value is zero.\n //\n // The ideal value is `numerator * target / denominator`.\n // Let's call `numerator * target % denominator` the remainder.\n // The absolute error is `remainder / denominator`.\n //\n // When the ideal value is zero, we require the absolute error to\n // be zero. Fortunately, this is always the case. The ideal value is\n // zero iff `numerator == 0` and/or `target == 0`. In this case the\n // remainder and absolute error are also zero. \n if (target == 0 || numerator == 0) {\n return false;\n }\n \n // Otherwise, we want the relative rounding error to be strictly\n // less than 0.1%.\n // The relative error is `remainder / (numerator * target)`.\n // We want the relative error less than 1 / 1000:\n // remainder / (numerator * denominator) < 1 / 1000\n // or equivalently:\n // 1000 * remainder < numerator * target\n // so we have a rounding error iff:\n // 1000 * remainder >= numerator * target\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding up.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // See the comments in `isRoundingError`.\n if (target == 0 || numerator == 0) {\n // When either is zero, the ideal value and rounded value are zero\n // and there is no rounding error. (Although the relative error\n // is undefined.)\n return false;\n }\n // Compute remainder as before\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n remainder = safeSub(denominator, remainder) % denominator;\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibOrder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./LibEIP712.sol\";\n\n\ncontract LibOrder is\n LibEIP712\n{\n // Hash for the EIP712 Order Schema\n bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"Order(\",\n \"address makerAddress,\",\n \"address takerAddress,\",\n \"address feeRecipientAddress,\",\n \"address senderAddress,\",\n \"uint256 makerAssetAmount,\",\n \"uint256 takerAssetAmount,\",\n \"uint256 makerFee,\",\n \"uint256 takerFee,\",\n \"uint256 expirationTimeSeconds,\",\n \"uint256 salt,\",\n \"bytes makerAssetData,\",\n \"bytes takerAssetData\",\n \")\"\n ));\n\n // A valid order remains fillable until it is expired, fully filled, or cancelled.\n // An order's state is unaffected by external factors, like account balances.\n enum OrderStatus {\n INVALID, // Default value\n INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount\n INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount\n FILLABLE, // Order is fillable\n EXPIRED, // Order has already expired\n FULLY_FILLED, // Order is fully filled\n CANCELLED // Order has been cancelled\n }\n\n // solhint-disable max-line-length\n struct Order {\n address makerAddress; // Address that created the order. \n address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order. \n address feeRecipientAddress; // Address that will recieve fees when order is filled. \n address senderAddress; // Address that is allowed to call Exchange contract methods that affect this order. If set to 0, any address is allowed to call these methods.\n uint256 makerAssetAmount; // Amount of makerAsset being offered by maker. Must be greater than 0. \n uint256 takerAssetAmount; // Amount of takerAsset being bid on by maker. Must be greater than 0. \n uint256 makerFee; // Amount of ZRX paid to feeRecipient by maker when order is filled. If set to 0, no transfer of ZRX from maker to feeRecipient will be attempted.\n uint256 takerFee; // Amount of ZRX paid to feeRecipient by taker when order is filled. If set to 0, no transfer of ZRX from taker to feeRecipient will be attempted.\n uint256 expirationTimeSeconds; // Timestamp in seconds at which order expires. \n uint256 salt; // Arbitrary number to facilitate uniqueness of the order's hash. \n bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.\n bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.\n }\n // solhint-enable max-line-length\n\n struct OrderInfo {\n uint8 orderStatus; // Status that describes order's validity and fillability.\n bytes32 orderHash; // EIP712 hash of the order (see LibOrder.getOrderHash).\n uint256 orderTakerAssetFilledAmount; // Amount of order that has already been filled.\n }\n\n /// @dev Calculates Keccak-256 hash of the order.\n /// @param order The order structure.\n /// @return Keccak-256 EIP712 hash of the order.\n function getOrderHash(Order memory order)\n internal\n view\n returns (bytes32 orderHash)\n {\n orderHash = hashEIP712Message(hashOrder(order));\n return orderHash;\n }\n\n /// @dev Calculates EIP712 hash of the order.\n /// @param order The order structure.\n /// @return EIP712 hash of the order.\n function hashOrder(Order memory order)\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ORDER_SCHEMA_HASH;\n bytes32 makerAssetDataHash = keccak256(order.makerAssetData);\n bytes32 takerAssetDataHash = keccak256(order.takerAssetData);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ORDER_SCHEMA_HASH,\n // bytes32(order.makerAddress),\n // bytes32(order.takerAddress),\n // bytes32(order.feeRecipientAddress),\n // bytes32(order.senderAddress),\n // order.makerAssetAmount,\n // order.takerAssetAmount,\n // order.makerFee,\n // order.takerFee,\n // order.expirationTimeSeconds,\n // order.salt,\n // keccak256(order.makerAssetData),\n // keccak256(order.takerAssetData)\n // ));\n\n assembly {\n // Calculate memory addresses that will be swapped out before hashing\n let pos1 := sub(order, 32)\n let pos2 := add(order, 320)\n let pos3 := add(order, 352)\n\n // Backup\n let temp1 := mload(pos1)\n let temp2 := mload(pos2)\n let temp3 := mload(pos3)\n \n // Hash in place\n mstore(pos1, schemaHash)\n mstore(pos2, makerAssetDataHash)\n mstore(pos3, takerAssetDataHash)\n result := keccak256(pos1, 416)\n \n // Restore\n mstore(pos1, temp1)\n mstore(pos2, temp2)\n mstore(pos3, temp3)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssetProxyDispatcher.sol\";\n\n\ncontract MAssetProxyDispatcher is\n IAssetProxyDispatcher\n{\n // Logs registration of new asset proxy\n event AssetProxyRegistered(\n bytes4 id, // Id of new registered AssetProxy.\n address assetProxy // Address of new registered AssetProxy.\n );\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IExchangeCore.sol\";\n\n\ncontract MExchangeCore is\n IExchangeCore\n{\n // Fill event is emitted whenever an order is filled.\n event Fill(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that received fees.\n address takerAddress, // Address that filled the order.\n address senderAddress, // Address that called the Exchange contract (msg.sender).\n uint256 makerAssetFilledAmount, // Amount of makerAsset sold by maker and bought by taker. \n uint256 takerAssetFilledAmount, // Amount of takerAsset sold by taker and bought by maker.\n uint256 makerFeePaid, // Amount of ZRX paid to feeRecipient by maker.\n uint256 takerFeePaid, // Amount of ZRX paid to feeRecipient by taker.\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // Cancel event is emitted whenever an individual order is cancelled.\n event Cancel(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that would have recieved fees if order was filled. \n address senderAddress, // Address that called the Exchange contract (msg.sender).\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // CancelUpTo event is emitted whenever `cancelOrdersUpTo` is executed succesfully.\n event CancelUpTo(\n address indexed makerAddress, // Orders cancelled must have been created by this address.\n address indexed senderAddress, // Orders cancelled must have a `senderAddress` equal to this address.\n uint256 orderEpoch // Orders with specified makerAddress and senderAddress with a salt less than this value are considered cancelled.\n );\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrderInternal(LibOrder.Order memory order)\n internal;\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function updateFilledState(\n LibOrder.Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n LibFillResults.FillResults memory fillResults\n )\n internal;\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n LibOrder.Order memory order,\n bytes32 orderHash\n )\n internal;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo Status, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view;\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo\n )\n internal\n view;\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n LibOrder.Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.FillResults memory fillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IMatchOrders.sol\";\n\n\ncontract MMatchOrders is\n IMatchOrders\n{\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure;\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/ISignatureValidator.sol\";\n\n\ncontract MSignatureValidator is\n ISignatureValidator\n{\n event SignatureValidatorApproval(\n address indexed signerAddress, // Address that approves or disapproves a contract to verify signatures.\n address indexed validatorAddress, // Address of signature validator contract.\n bool approved // Approval or disapproval of validator contract.\n );\n\n // Allowed signature types.\n enum SignatureType {\n Illegal, // 0x00, default value\n Invalid, // 0x01\n EIP712, // 0x02\n EthSign, // 0x03\n Wallet, // 0x04\n Validator, // 0x05\n PreSigned, // 0x06\n NSignatureTypes // 0x07, number of signature types. Always leave at end.\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"../interfaces/ITransactions.sol\";\n\n\ncontract MTransactions is\n ITransactions\n{\n // Hash for the EIP712 ZeroEx Transaction Schema\n bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"ZeroExTransaction(\",\n \"uint256 salt,\",\n \"address signerAddress,\",\n \"bytes data\",\n \")\"\n ));\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result);\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address);\n}\n", + "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IWrapperFunctions.sol\";\n\n\ncontract MWrapperFunctions is \n IWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n}\n", + "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/MintableERC20Token.sol\";\n\n\ncontract DummyERC20Token is \n Ownable,\n MintableERC20Token\n{\n string public name;\n string public symbol;\n uint256 public decimals;\n uint256 public constant MAX_MINT_AMOUNT = 10000000000000000000000;\n\n constructor (\n string _name,\n string _symbol,\n uint256 _decimals,\n uint256 _totalSupply\n )\n public\n {\n name = _name;\n symbol = _symbol;\n decimals = _decimals;\n _totalSupply = _totalSupply;\n balances[msg.sender] = _totalSupply;\n }\n\n /// @dev Sets the balance of target address\n /// @param _target Address or which balance will be updated\n /// @param _value New balance of target address\n function setBalance(address _target, uint256 _value)\n external\n onlyOwner\n {\n uint256 currBalance = balances[_target];\n if (_value < currBalance) {\n _totalSupply = safeSub(_totalSupply, safeSub(currBalance, _value));\n } else {\n _totalSupply = safeAdd(_totalSupply, safeSub(_value, currBalance));\n }\n balances[_target] = _value;\n }\n\n /// @dev Mints new tokens for sender\n /// @param _value Amount of tokens to mint\n function mint(uint256 _value)\n external\n {\n require(\n _value <= MAX_MINT_AMOUNT,\n \"VALUE_TOO_LARGE\"\n );\n\n _mint(msg.sender, _value);\n }\n}\n", + "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../tokens/ERC721Token/MintableERC721Token.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract DummyERC721Token is\n Ownable,\n MintableERC721Token\n{\n string public name;\n string public symbol;\n\n constructor (\n string _name,\n string _symbol\n )\n public\n {\n name = _name;\n symbol = _symbol;\n }\n\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function mint(address _to, uint256 _tokenId)\n external\n {\n _mint(_to, _tokenId);\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist or not called by contract owner\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function burn(address _owner, uint256 _tokenId)\n external\n onlyOwner\n {\n _burn(_owner, _tokenId);\n }\n}\n", + "2.0.0/tokens/ERC20Token/ERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC20Token.sol\";\n\n\ncontract ERC20Token is\n IERC20Token\n{\n mapping (address => uint256) internal balances;\n mapping (address => mapping (address => uint256)) internal allowed;\n\n uint256 internal _totalSupply;\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool)\n {\n require(\n balances[msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[msg.sender] -= _value;\n balances[_to] += _value;\n\n emit Transfer(\n msg.sender,\n _to,\n _value\n );\n\n return true;\n }\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowed[_from][msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n allowed[_from][msg.sender] -= _value;\n \n emit Transfer(\n _from,\n _to,\n _value\n );\n \n return true;\n }\n\n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool)\n {\n allowed[msg.sender][_spender] = _value;\n emit Approval(\n msg.sender,\n _spender,\n _value\n );\n return true;\n }\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256)\n {\n return _totalSupply;\n }\n\n /// @dev Query the balance of owner\n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n return balances[_owner];\n }\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256)\n {\n return allowed[_owner][_spender];\n }\n}\n", + "2.0.0/tokens/ERC20Token/IERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n \n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n \n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", + "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/SafeMath/SafeMath.sol\";\nimport \"./UnlimitedAllowanceERC20Token.sol\";\n\n\ncontract MintableERC20Token is \n SafeMath,\n UnlimitedAllowanceERC20Token\n{\n /// @dev Mints new tokens\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _value Amount of tokens to mint\n function _mint(address _to, uint256 _value)\n internal\n {\n balances[_to] = safeAdd(_value, balances[_to]);\n _totalSupply = safeAdd(_totalSupply, _value);\n\n emit Transfer(\n address(0),\n _to,\n _value\n );\n }\n\n /// @dev Mints new tokens\n /// @param _owner Owner of tokens that will be burned\n /// @param _value Amount of tokens to burn\n function _burn(address _owner, uint256 _value)\n internal\n {\n balances[_owner] = safeSub(balances[_owner], _value);\n _totalSupply = safeSub(_totalSupply, _value);\n\n emit Transfer(\n _owner,\n address(0),\n _value\n );\n }\n}\n", + "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/ERC20Token.sol\";\n\n\ncontract UnlimitedAllowanceERC20Token is\n ERC20Token\n{\n uint256 constant internal MAX_UINT = 2**256 - 1;\n\n /// @dev ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited allowance. See https://github.com/ethereum/EIPs/issues/717\n /// @param _from Address to transfer from.\n /// @param _to Address to transfer to.\n /// @param _value Amount to transfer.\n /// @return Success of transfer.\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n uint256 allowance = allowed[_from][msg.sender];\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowance >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n if (allowance < MAX_UINT) {\n allowed[_from][msg.sender] -= _value;\n }\n\n emit Transfer(\n _from,\n _to,\n _value\n );\n\n return true;\n }\n}\n", + "2.0.0/tokens/ERC721Token/ERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC721Token.sol\";\nimport \"./IERC721Receiver.sol\";\nimport \"../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract ERC721Token is\n IERC721Token,\n SafeMath\n{\n // Function selector for ERC721Receiver.onERC721Received\n // 0x150b7a02\n bytes4 constant internal ERC721_RECEIVED = bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"));\n\n // Mapping of tokenId => owner\n mapping (uint256 => address) internal owners;\n\n // Mapping of tokenId => approved address\n mapping (uint256 => address) internal approvals;\n\n // Mapping of owner => number of tokens owned\n mapping (address => uint256) internal balances;\n\n // Mapping of owner => operator => approved\n mapping (address => mapping (address => bool)) internal operatorApprovals;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n _data\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n \"\"\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external\n {\n address owner = ownerOf(_tokenId);\n require(\n msg.sender == owner || isApprovedForAll(owner, msg.sender),\n \"ERC721_INVALID_SENDER\"\n );\n\n approvals[_tokenId] = _approved;\n emit Approval(\n owner,\n _approved,\n _tokenId\n );\n }\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external\n {\n operatorApprovals[msg.sender][_operator] = _approved;\n emit ApprovalForAll(\n msg.sender,\n _operator,\n _approved\n );\n }\n \n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return balances[_owner];\n }\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = ownerOf(_tokenId);\n require(\n _from == owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n address spender = msg.sender;\n address approvedAddress = getApproved(_tokenId);\n require(\n spender == owner ||\n isApprovedForAll(owner, spender) ||\n approvedAddress == spender,\n \"ERC721_INVALID_SPENDER\"\n );\n\n if (approvedAddress != address(0)) {\n approvals[_tokenId] = address(0);\n }\n\n owners[_tokenId] = _to;\n balances[_from] = safeSub(balances[_from], 1);\n balances[_to] = safeAdd(balances[_to], 1);\n \n emit Transfer(\n _from,\n _to,\n _tokenId\n );\n }\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address)\n {\n address owner = owners[_tokenId];\n require(\n owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return owner;\n }\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId)\n public\n view\n returns (address)\n {\n return approvals[_tokenId];\n }\n\n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool)\n {\n return operatorApprovals[_owner][_operator];\n }\n}\n", + "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Receiver {\n\n /// @notice Handle the receipt of an NFT\n /// @dev The ERC721 smart contract calls this function on the recipient\n /// after a `transfer`. This function MAY throw to revert and reject the\n /// transfer. Return of other than the magic value MUST result in the\n /// transaction being reverted.\n /// Note: the contract address is always the message sender.\n /// @param _operator The address which called `safeTransferFrom` function\n /// @param _from The address which previously owned the token\n /// @param _tokenId The NFT identifier which is being transferred\n /// @param _data Additional data with no specified format\n /// @return `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`\n /// unless throwing\n function onERC721Received(\n address _operator,\n address _from,\n uint256 _tokenId,\n bytes _data\n )\n external\n returns (bytes4);\n}\n", + "2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Token {\n\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(\n address indexed _owner,\n address indexed _approved,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(\n address indexed _owner,\n address indexed _operator,\n bool _approved\n );\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// perator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external;\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public;\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address);\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) \n public\n view\n returns (address);\n \n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool);\n}\n", + "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./ERC721Token.sol\";\n\n\ncontract MintableERC721Token is\n ERC721Token\n{\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function _mint(address _to, uint256 _tokenId)\n internal\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == address(0),\n \"ERC721_OWNER_ALREADY_EXISTS\"\n );\n\n owners[_tokenId] = _to;\n balances[_to] = safeAdd(balances[_to], 1);\n\n emit Transfer(\n address(0),\n _to,\n _tokenId\n );\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function _burn(address _owner, uint256 _tokenId)\n internal\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == _owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n owners[_tokenId] = address(0);\n balances[_owner] = safeSub(balances[_owner], 1);\n\n emit Transfer(\n _owner,\n address(0),\n _tokenId\n );\n }\n}\n", + "2.0.0/tokens/EtherToken/IEtherToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/IERC20Token.sol\";\n\n\ncontract IEtherToken is\n IERC20Token\n{\n function deposit()\n public\n payable;\n \n function withdraw(uint256 amount)\n public;\n}\n", + "2.0.0/utils/LibBytes/LibBytes.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\nlibrary LibBytes {\n\n using LibBytes for bytes;\n\n /// @dev Gets the memory address for a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of byte array. This\n /// points to the header of the byte array which contains\n /// the length.\n function rawAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := input\n }\n return memoryAddress;\n }\n \n /// @dev Gets the memory address for the contents of a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of the contents of the byte array.\n function contentAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := add(input, 32)\n }\n return memoryAddress;\n }\n\n /// @dev Copies `length` bytes from memory location `source` to `dest`.\n /// @param dest memory address to copy bytes to.\n /// @param source memory address to copy bytes from.\n /// @param length number of bytes to copy.\n function memCopy(\n uint256 dest,\n uint256 source,\n uint256 length\n )\n internal\n pure\n {\n if (length < 32) {\n // Handle a partial word by reading destination and masking\n // off the bits we are interested in.\n // This correctly handles overlap, zero lengths and source == dest\n assembly {\n let mask := sub(exp(256, sub(32, length)), 1)\n let s := and(mload(source), not(mask))\n let d := and(mload(dest), mask)\n mstore(dest, or(s, d))\n }\n } else {\n // Skip the O(length) loop when source == dest.\n if (source == dest) {\n return;\n }\n\n // For large copies we copy whole words at a time. The final\n // word is aligned to the end of the range (instead of after the\n // previous) to handle partial words. So a copy will look like this:\n //\n // ####\n // ####\n // ####\n // ####\n //\n // We handle overlap in the source and destination range by\n // changing the copying direction. This prevents us from\n // overwriting parts of source that we still need to copy.\n //\n // This correctly handles source == dest\n //\n if (source > dest) {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because it\n // is easier to compare with in the loop, and these\n // are also the addresses we need for copying the\n // last bytes.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the last 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the last bytes in\n // source already due to overlap.\n let last := mload(sEnd)\n\n // Copy whole words front to back\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} lt(source, sEnd) {} {\n mstore(dest, mload(source))\n source := add(source, 32)\n dest := add(dest, 32)\n }\n \n // Write the last 32 bytes\n mstore(dEnd, last)\n }\n } else {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because those\n // are the starting points when copying a word at the end.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the first 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the first bytes in\n // source already due to overlap.\n let first := mload(source)\n\n // Copy whole words back to front\n // We use a signed comparisson here to allow dEnd to become\n // negative (happens when source and dest < 32). Valid\n // addresses in local memory will never be larger than\n // 2**255, so they can be safely re-interpreted as signed.\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} slt(dest, dEnd) {} {\n mstore(dEnd, mload(sEnd))\n sEnd := sub(sEnd, 32)\n dEnd := sub(dEnd, 32)\n }\n \n // Write the first 32 bytes\n mstore(dest, first)\n }\n }\n }\n }\n\n /// @dev Returns a slices from a byte array.\n /// @param b The byte array to take a slice from.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n function slice(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure and copy contents\n result = new bytes(to - from);\n memCopy(\n result.contentAddress(),\n b.contentAddress() + from,\n result.length\n );\n return result;\n }\n \n /// @dev Returns a slice from a byte array without preserving the input.\n /// @param b The byte array to take a slice from. Will be destroyed in the process.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n /// @dev When `from == 0`, the original array will match the slice. In other cases its state will be corrupted.\n function sliceDestructive(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure around [from, to) in-place.\n assembly {\n result := add(b, from)\n mstore(result, sub(to, from))\n }\n return result;\n }\n\n /// @dev Pops the last byte off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The byte that was popped off.\n function popLastByte(bytes memory b)\n internal\n pure\n returns (bytes1 result)\n {\n require(\n b.length > 0,\n \"GREATER_THAN_ZERO_LENGTH_REQUIRED\"\n );\n\n // Store last byte.\n result = b[b.length - 1];\n\n assembly {\n // Decrement length of byte array.\n let newLen := sub(mload(b), 1)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Pops the last 20 bytes off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The 20 byte address that was popped off.\n function popLast20Bytes(bytes memory b)\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= 20,\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Store last 20 bytes.\n result = readAddress(b, b.length - 20);\n\n assembly {\n // Subtract 20 from byte array length.\n let newLen := sub(mload(b), 20)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Tests equality of two byte arrays.\n /// @param lhs First byte array to compare.\n /// @param rhs Second byte array to compare.\n /// @return True if arrays are the same. False otherwise.\n function equals(\n bytes memory lhs,\n bytes memory rhs\n )\n internal\n pure\n returns (bool equal)\n {\n // Keccak gas cost is 30 + numWords * 6. This is a cheap way to compare.\n // We early exit on unequal lengths, but keccak would also correctly\n // handle this.\n return lhs.length == rhs.length && keccak256(lhs) == keccak256(rhs);\n }\n\n /// @dev Reads an address from a position in a byte array.\n /// @param b Byte array containing an address.\n /// @param index Index in byte array of address.\n /// @return address from byte array.\n function readAddress(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Read address from array memory\n assembly {\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 20-byte mask to obtain address\n result := and(mload(add(b, index)), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n return result;\n }\n\n /// @dev Writes an address into a specific position in a byte array.\n /// @param b Byte array to insert address into.\n /// @param index Index in byte array of address.\n /// @param input Address to put into byte array.\n function writeAddress(\n bytes memory b,\n uint256 index,\n address input\n )\n internal\n pure\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Store address into array memory\n assembly {\n // The address occupies 20 bytes and mstore stores 32 bytes.\n // First fetch the 32-byte word where we'll be storing the address, then\n // apply a mask so we have only the bytes in the word that the address will not occupy.\n // Then combine these bytes with the address and store the 32 bytes back to memory with mstore.\n\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 12-byte mask to obtain extra bytes occupying word of memory where we'll store the address\n let neighbors := and(\n mload(add(b, index)),\n 0xffffffffffffffffffffffff0000000000000000000000000000000000000000\n )\n \n // Make sure input address is clean.\n // (Solidity does not guarantee this)\n input := and(input, 0xffffffffffffffffffffffffffffffffffffffff)\n\n // Store the neighbors and address into memory\n mstore(add(b, index), xor(input, neighbors))\n }\n }\n\n /// @dev Reads a bytes32 value from a position in a byte array.\n /// @param b Byte array containing a bytes32 value.\n /// @param index Index in byte array of bytes32 value.\n /// @return bytes32 value from byte array.\n function readBytes32(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes32 result)\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n result := mload(add(b, index))\n }\n return result;\n }\n\n /// @dev Writes a bytes32 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes32 to put into byte array.\n function writeBytes32(\n bytes memory b,\n uint256 index,\n bytes32 input\n )\n internal\n pure\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n mstore(add(b, index), input)\n }\n }\n\n /// @dev Reads a uint256 value from a position in a byte array.\n /// @param b Byte array containing a uint256 value.\n /// @param index Index in byte array of uint256 value.\n /// @return uint256 value from byte array.\n function readUint256(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (uint256 result)\n {\n result = uint256(readBytes32(b, index));\n return result;\n }\n\n /// @dev Writes a uint256 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input uint256 to put into byte array.\n function writeUint256(\n bytes memory b,\n uint256 index,\n uint256 input\n )\n internal\n pure\n {\n writeBytes32(b, index, bytes32(input));\n }\n\n /// @dev Reads an unpadded bytes4 value from a position in a byte array.\n /// @param b Byte array containing a bytes4 value.\n /// @param index Index in byte array of bytes4 value.\n /// @return bytes4 value from byte array.\n function readBytes4(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes4 result)\n {\n require(\n b.length >= index + 4,\n \"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 32 byte length field\n index += 32;\n\n // Read the bytes4 from array memory\n assembly {\n result := mload(add(b, index))\n // Solidity does not require us to clean the trailing bytes.\n // We do it anyway\n result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)\n }\n return result;\n }\n\n /// @dev Reads nested bytes from a specific position.\n /// @dev NOTE: the returned value overlaps with the input value.\n /// Both should be treated as immutable.\n /// @param b Byte array containing nested bytes.\n /// @param index Index of nested bytes.\n /// @return result Nested bytes.\n function readBytesWithLength(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes memory result)\n {\n // Read length of nested bytes\n uint256 nestedBytesLength = readUint256(b, index);\n index += 32;\n\n // Assert length of is valid, given\n // length of nested bytes\n require(\n b.length >= index + nestedBytesLength,\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n \n // Return a pointer to the byte array as it exists inside `b`\n assembly {\n result := add(b, index)\n }\n return result;\n }\n\n /// @dev Inserts bytes at a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes to insert.\n function writeBytesWithLength(\n bytes memory b,\n uint256 index,\n bytes memory input\n )\n internal\n pure\n {\n // Assert length of is valid, given\n // length of input\n require(\n b.length >= index + 32 + input.length, // 32 bytes to store length\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n\n // Copy into \n memCopy(\n b.contentAddress() + index,\n input.rawAddress(), // includes length of \n input.length + 32 // +32 bytes to store length\n );\n }\n\n /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length.\n /// @param dest Byte array that will be overwritten with source bytes.\n /// @param source Byte array to copy onto dest bytes.\n function deepCopyBytes(\n bytes memory dest,\n bytes memory source\n )\n internal\n pure\n {\n uint256 sourceLen = source.length;\n // Dest length must be >= source length, or some bytes would not be copied.\n require(\n dest.length >= sourceLen,\n \"GREATER_OR_EQUAL_TO_SOURCE_BYTES_LENGTH_REQUIRED\"\n );\n memCopy(\n dest.contentAddress(),\n source.contentAddress(),\n sourceLen\n );\n }\n}\n", + "2.0.0/utils/Ownable/IOwnable.sol": "pragma solidity 0.4.24;\n\n\ncontract IOwnable {\n\n function transferOwnership(address newOwner)\n public;\n}\n", + "2.0.0/utils/Ownable/Ownable.sol": "pragma solidity 0.4.24;\n\nimport \"./IOwnable.sol\";\n\n\ncontract Ownable is\n IOwnable\n{\n address public owner;\n\n constructor ()\n public\n {\n owner = msg.sender;\n }\n\n modifier onlyOwner() {\n require(\n msg.sender == owner,\n \"ONLY_CONTRACT_OWNER\"\n );\n _;\n }\n\n function transferOwnership(address newOwner)\n public\n onlyOwner\n {\n if (newOwner != address(0)) {\n owner = newOwner;\n }\n }\n}\n", + "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ReentrancyGuard {\n\n // Locked state of mutex\n bool private locked = false;\n\n /// @dev Functions with this modifer cannot be reentered. The mutex will be locked\n /// before function execution and unlocked after.\n modifier nonReentrant() {\n // Ensure mutex is unlocked\n require(\n !locked,\n \"REENTRANCY_ILLEGAL\"\n );\n\n // Lock mutex before function call\n locked = true;\n\n // Perform function call\n _;\n\n // Unlock mutex after function call\n locked = false;\n }\n}\n", + "2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n\n function safeMul(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(\n c / a == b,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function safeDiv(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a / b;\n return c;\n }\n\n function safeSub(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n require(\n b <= a,\n \"UINT256_UNDERFLOW\"\n );\n return a - b;\n }\n\n function safeAdd(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a + b;\n require(\n c >= a,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function max64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n\n function max256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n}\n" + }, + "sourceTreeHashHex": "0x61b379850639517b46c6d60f6c12c18bf568c6d475f90938b2653446bd018009", + "compiler": { + "name": "solc", + "version": "soljson-v0.4.24+commit.e67f0147.js", + "settings": { + "optimizer": { + "enabled": true, + "runs": 1000000 + }, + "outputSelection": { + "*": { + "*": [ + "abi", + "evm.bytecode.object", + "evm.bytecode.sourceMap", + "evm.deployedBytecode.object", + "evm.deployedBytecode.sourceMap" + ] + } + } + } + }, + "networks": { + "3": { + "address": "0xb1408f4c245a23c31b98d2c626777d4c0d766caa", + "links": {}, + "constructorArgs": "[]" + }, + "42": { + "address": "0xf1ec01d6236d3cd881a0bf0130ea25fe4234003e", + "links": {}, + "constructorArgs": "[]" + }, + "50": { + "address": "0x1dc4c1cefef38a777b15aa20260a54e584b16c48", + "links": {}, + "constructorArgs": "[]" + } + } +} diff --git a/packages/migrations/artifacts/2.0.0-testnet/ERC20Token.json b/packages/migrations/artifacts/2.0.0-testnet/ERC20Token.json new file mode 100644 index 000000000..11ec4b57a --- /dev/null +++ b/packages/migrations/artifacts/2.0.0-testnet/ERC20Token.json @@ -0,0 +1,486 @@ +{ + "schemaVersion": "2.0.0", + "contractName": "ERC20Token", + "compilerOutput": { + "abi": [ + { + "constant": false, + "inputs": [ + { + "name": "_spender", + "type": "address" + }, + { + "name": "_value", + "type": "uint256" + } + ], + "name": "approve", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "totalSupply", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_from", + "type": "address" + }, + { + "name": "_to", + "type": "address" + }, + { + "name": "_value", + "type": "uint256" + } + ], + "name": "transferFrom", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "_owner", + "type": "address" + } + ], + "name": "balanceOf", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_to", + "type": "address" + }, + { + "name": "_value", + "type": "uint256" + } + 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+ } + } + }, + "sources": { + "2.0.0/extensions/Forwarder/Forwarder.sol": { + "id": 0 + }, + "2.0.0/extensions/Forwarder/MixinAssets.sol": { + "id": 1 + }, + "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": { + "id": 2 + }, + "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": { + "id": 3 + }, + "2.0.0/extensions/Forwarder/MixinWeth.sol": { + "id": 4 + }, + "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": { + "id": 5 + }, + "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": { + "id": 6 + }, + "2.0.0/extensions/Forwarder/libs/LibConstants.sol": { + "id": 7 + }, + "2.0.0/extensions/Forwarder/mixins/MAssets.sol": { + "id": 8 + }, + "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": { + "id": 9 + }, + "2.0.0/extensions/Forwarder/mixins/MWeth.sol": { + "id": 10 + }, + "2.0.0/extensions/OrderValidator/OrderValidator.sol": { + "id": 11 + }, + "2.0.0/multisig/MultiSigWallet.sol": { + "id": 12 + }, + "2.0.0/multisig/MultiSigWalletWithTimeLock.sol": { + "id": 13 + }, + "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": { + "id": 14 + }, + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": { + "id": 15 + }, + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": { + "id": 16 + }, + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": { + "id": 17 + }, + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": { + "id": 18 + }, + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": { + "id": 19 + }, + "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": { + "id": 20 + }, + "2.0.0/protocol/Exchange/Exchange.sol": { + "id": 21 + }, + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": { + "id": 22 + }, + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": { + "id": 23 + }, + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": { + "id": 24 + }, + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": { + "id": 25 + }, + "2.0.0/protocol/Exchange/MixinTransactions.sol": { + "id": 26 + }, + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": { + "id": 27 + }, + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": { + "id": 28 + }, + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": { + "id": 29 + }, + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": { + "id": 30 + }, + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": { + "id": 31 + }, + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": { + "id": 32 + }, + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": { + "id": 33 + }, + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": { + "id": 34 + }, + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": { + "id": 35 + }, + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": { + "id": 36 + }, + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": { + "id": 37 + }, + "2.0.0/protocol/Exchange/libs/LibConstants.sol": { + "id": 38 + }, + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": { + "id": 39 + }, + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": { + "id": 40 + }, + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": { + "id": 41 + }, + "2.0.0/protocol/Exchange/libs/LibMath.sol": { + "id": 42 + }, + "2.0.0/protocol/Exchange/libs/LibOrder.sol": { + "id": 43 + }, + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": { + "id": 44 + }, + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": { + "id": 45 + }, + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": { + "id": 46 + }, + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": { + "id": 47 + }, + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": { + "id": 48 + }, + "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": { + "id": 49 + }, + "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": { + "id": 50 + }, + "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": { + "id": 51 + }, + "2.0.0/tokens/ERC20Token/ERC20Token.sol": { + "id": 52 + }, + "2.0.0/tokens/ERC20Token/IERC20Token.sol": { + "id": 53 + }, + "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": { + "id": 54 + }, + "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": { + "id": 55 + }, + "2.0.0/tokens/ERC721Token/ERC721Token.sol": { + "id": 56 + }, + "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": { + "id": 57 + }, + "2.0.0/tokens/ERC721Token/IERC721Token.sol": { + "id": 58 + }, + "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": { + "id": 59 + }, + "2.0.0/tokens/EtherToken/IEtherToken.sol": { + "id": 60 + }, + "2.0.0/utils/LibBytes/LibBytes.sol": { + "id": 61 + }, + "2.0.0/utils/Ownable/IOwnable.sol": { + "id": 62 + }, + "2.0.0/utils/Ownable/Ownable.sol": { + "id": 63 + }, + "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": { + "id": 64 + }, + "2.0.0/utils/SafeMath/SafeMath.sol": { + "id": 65 + } + }, + "sourceCodes": { + "2.0.0/extensions/Forwarder/Forwarder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinWeth.sol\";\nimport \"./MixinForwarderCore.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinAssets.sol\";\nimport \"./MixinExchangeWrapper.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Forwarder is\n LibConstants,\n MixinWeth,\n MixinAssets,\n MixinExchangeWrapper,\n MixinForwarderCore\n{\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n LibConstants(\n _exchange,\n _zrxAssetData,\n _wethAssetData\n )\n MixinForwarderCore()\n {}\n}\n", + "2.0.0/extensions/Forwarder/MixinAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MAssets.sol\";\n\n\ncontract MixinAssets is\n Ownable,\n LibConstants,\n MAssets\n{\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256(\"transfer(address,uint256)\"));\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external\n onlyOwner\n {\n transferAssetToSender(assetData, amount);\n }\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n bytes4 proxyId = assetData.readBytes4(0);\n\n if (proxyId == ERC20_DATA_ID) {\n transferERC20Token(assetData, amount);\n } else if (proxyId == ERC721_DATA_ID) {\n transferERC721Token(assetData, amount);\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n }\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n address token = assetData.readAddress(16);\n\n // Transfer tokens.\n // We do a raw call so we can check the success separate\n // from the return data.\n bool success = token.call(abi.encodeWithSelector(\n ERC20_TRANSFER_SELECTOR,\n msg.sender,\n amount\n ));\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n \n // Check return data.\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // value that evaluates to true.\n assembly {\n if returndatasize {\n success := 0\n if eq(returndatasize, 32) {\n // First 64 bytes of memory are reserved scratch space\n returndatacopy(0, 0, 32)\n success := mload(0)\n }\n }\n }\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n }\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n require(\n amount == 1,\n \"INVALID_AMOUNT\"\n );\n // Decode asset data.\n address token = assetData.readAddress(16);\n uint256 tokenId = assetData.readUint256(36);\n\n // Perform transfer.\n IERC721Token(token).transferFrom(\n address(this),\n msg.sender,\n tokenId\n );\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"../../protocol/Exchange/libs/LibAbiEncoder.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinExchangeWrapper is\n LibAbiEncoder,\n LibFillResults,\n LibMath,\n LibConstants,\n MExchangeWrapper\n{\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n address exchange = address(EXCHANGE);\n\n // Call `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := call(\n gas, // forward all gas\n exchange, // call address of Exchange contract\n 0, // transfer 0 wei\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of WETH to sell\n uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of WETH\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount;\n if (makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n\n require(\n makerAssetFilledAmount >= makerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n // Do nothing if zrxBuyAmount == 0\n if (zrxBuyAmount == 0) {\n return totalFillResults;\n }\n\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n uint256 zrxPurchased = 0;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // All of these are ZRX/WETH, so we can drop the respective assetData from calldata.\n orders[i].makerAssetData = zrxAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of ZRX to buy.\n uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased);\n\n // Convert the remaining amount of ZRX to buy into remaining amount\n // of WETH to sell, assuming entire amount can be sold in the current order.\n uint256 remainingWethSellAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees \n remainingZrxBuyAmount\n );\n\n // Attempt to sell the remaining amount of WETH.\n FillResults memory singleFillResult = fillOrderNoThrow(\n orders[i],\n safeAdd(remainingWethSellAmount, 1), // we add 1 wei to the fill amount to make up for rounding errors\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker.\n addFillResults(totalFillResults, singleFillResult);\n zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid);\n\n // Stop execution if the entire amount of ZRX has been bought.\n if (zrxPurchased >= zrxBuyAmount) {\n break;\n }\n }\n\n require(\n zrxPurchased >= zrxBuyAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\nimport \"./mixins/MAssets.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"./interfaces/IForwarderCore.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinForwarderCore is\n LibFillResults,\n LibMath,\n LibConstants,\n MWeth,\n MAssets,\n MExchangeWrapper,\n IForwarderCore\n{\n using LibBytes for bytes;\n\n /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf.\n constructor ()\n public\n {\n address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID);\n require(\n proxyAddress != address(0),\n \"UNREGISTERED_ASSET_PROXY\"\n );\n ETHER_TOKEN.approve(proxyAddress, MAX_UINT);\n ZRX_TOKEN.approve(proxyAddress, MAX_UINT);\n }\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 wethSellAmount;\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // Calculate amount of WETH that won't be spent on ETH fees.\n wethSellAmount = getPartialAmountFloor(\n PERCENTAGE_DENOMINATOR,\n safeAdd(PERCENTAGE_DENOMINATOR, feePercentage),\n msg.value\n );\n // Market sell available WETH.\n // ZRX fees are paid with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // 5% of WETH is reserved for filling feeOrders and paying feeRecipient.\n wethSellAmount = getPartialAmountFloor(\n MAX_WETH_FILL_PERCENTAGE,\n PERCENTAGE_DENOMINATOR,\n msg.value\n );\n // Market sell 95% of WETH.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // If the makerAsset is ZRX, it is not necessary to pay fees out of this\n // contracts's ZRX balance because fees are factored into the price of the order.\n orderFillResults = marketBuyExactZrxWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // Attemp to purchase desired amount of makerAsset.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketBuyExactAmountWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\n\n\ncontract MixinWeth is\n LibMath,\n LibConstants,\n MWeth\n{\n /// @dev Default payabale function, this allows us to withdraw WETH\n function ()\n public\n payable\n {\n require(\n msg.sender == address(ETHER_TOKEN),\n \"DEFAULT_FUNCTION_WETH_CONTRACT_ONLY\"\n );\n }\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal\n {\n require(\n msg.value > 0,\n \"INVALID_MSG_VALUE\"\n );\n ETHER_TOKEN.deposit.value(msg.value)();\n }\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal\n {\n // Ensure feePercentage is less than 5%.\n require(\n feePercentage <= MAX_FEE_PERCENTAGE,\n \"FEE_PERCENTAGE_TOO_LARGE\"\n );\n\n // Ensure that no extra WETH owned by this contract has been sold.\n uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx);\n require(\n wethSold <= msg.value,\n \"OVERSOLD_WETH\"\n );\n\n // Calculate amount of WETH that hasn't been sold.\n uint256 wethRemaining = safeSub(msg.value, wethSold);\n\n // Calculate ETH fee to pay to feeRecipient.\n uint256 ethFee = getPartialAmountFloor(\n feePercentage,\n PERCENTAGE_DENOMINATOR,\n wethSoldExcludingFeeOrders\n );\n\n // Ensure fee is less than amount of WETH remaining.\n require(\n ethFee <= wethRemaining,\n \"INSUFFICIENT_ETH_REMAINING\"\n );\n \n // Do nothing if no WETH remaining\n if (wethRemaining > 0) {\n // Convert remaining WETH to ETH\n ETHER_TOKEN.withdraw(wethRemaining);\n\n // Pay ETH to feeRecipient\n if (ethFee > 0) {\n feeRecipient.transfer(ethFee);\n }\n\n // Refund remaining ETH to msg.sender.\n uint256 ethRefund = safeSub(wethRemaining, ethFee);\n if (ethRefund > 0) {\n msg.sender.transfer(ethRefund);\n }\n }\n }\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssets {\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external;\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract IForwarderCore {\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n}\n", + "2.0.0/extensions/Forwarder/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/LibBytes/LibBytes.sol\";\nimport \"../../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../../tokens/EtherToken/IEtherToken.sol\";\nimport \"../../../tokens/ERC20Token/IERC20Token.sol\";\n\n\ncontract LibConstants {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n uint256 constant internal MAX_UINT = 2**256 - 1;\n uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; \n uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5%\n uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95%\n \n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n IEtherToken internal ETHER_TOKEN;\n IERC20Token internal ZRX_TOKEN;\n bytes internal ZRX_ASSET_DATA;\n bytes internal WETH_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n WETH_ASSET_DATA = _wethAssetData;\n\n address etherToken = _wethAssetData.readAddress(16);\n address zrxToken = _zrxAssetData.readAddress(16);\n ETHER_TOKEN = IEtherToken(etherToken);\n ZRX_TOKEN = IERC20Token(zrxToken);\n }\n}\n", + "2.0.0/extensions/Forwarder/mixins/MAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssets.sol\";\n\n\ncontract MAssets is\n IAssets\n{\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract MExchangeWrapper {\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n}\n", + "2.0.0/extensions/Forwarder/mixins/MWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract MWeth {\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal;\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal;\n}\n", + "2.0.0/extensions/OrderValidator/OrderValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract OrderValidator {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n struct TraderInfo {\n uint256 makerBalance; // Maker's balance of makerAsset\n uint256 makerAllowance; // Maker's allowance to corresponding AssetProxy\n uint256 takerBalance; // Taker's balance of takerAsset\n uint256 takerAllowance; // Taker's allowance to corresponding AssetProxy\n uint256 makerZrxBalance; // Maker's balance of ZRX\n uint256 makerZrxAllowance; // Maker's allowance of ZRX to ERC20Proxy\n uint256 takerZrxBalance; // Taker's balance of ZRX\n uint256 takerZrxAllowance; // Taker's allowance of ZRX to ERC20Proxy\n }\n\n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n bytes internal ZRX_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (address _exchange, bytes memory _zrxAssetData)\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n }\n\n /// @dev Fetches information for order and maker/taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return OrderInfo and TraderInfo instances for given order.\n function getOrderAndTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo, TraderInfo memory traderInfo)\n {\n orderInfo = EXCHANGE.getOrderInfo(order);\n traderInfo = getTraderInfo(order, takerAddress);\n return (orderInfo, traderInfo);\n }\n\n /// @dev Fetches information for all passed in orders and the makers/takers of each order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Arrays of OrderInfo and TraderInfo instances that correspond to each order.\n function getOrdersAndTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (LibOrder.OrderInfo[] memory ordersInfo, TraderInfo[] memory tradersInfo)\n {\n ordersInfo = EXCHANGE.getOrdersInfo(orders);\n tradersInfo = getTradersInfo(orders, takerAddresses);\n return (ordersInfo, tradersInfo);\n }\n\n /// @dev Fetches balance and allowances for maker and taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return Balances and allowances of maker and taker of order.\n function getTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (TraderInfo memory traderInfo)\n {\n (traderInfo.makerBalance, traderInfo.makerAllowance) = getBalanceAndAllowance(order.makerAddress, order.makerAssetData);\n (traderInfo.takerBalance, traderInfo.takerAllowance) = getBalanceAndAllowance(takerAddress, order.takerAssetData);\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n (traderInfo.makerZrxBalance, traderInfo.makerZrxAllowance) = getBalanceAndAllowance(order.makerAddress, zrxAssetData);\n (traderInfo.takerZrxBalance, traderInfo.takerZrxAllowance) = getBalanceAndAllowance(takerAddress, zrxAssetData);\n return traderInfo;\n }\n\n /// @dev Fetches balances and allowances of maker and taker for each provided order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Array of balances and allowances for maker and taker of each order.\n function getTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (TraderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n TraderInfo[] memory tradersInfo = new TraderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n tradersInfo[i] = getTraderInfo(orders[i], takerAddresses[i]);\n }\n return tradersInfo;\n }\n\n /// @dev Fetches token balances and allowances of an address to given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Encoded data that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balance of asset and allowance set to given proxy of asset.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalanceAndAllowance(address target, bytes memory assetData)\n public\n view\n returns (uint256 balance, uint256 allowance)\n {\n bytes4 assetProxyId = assetData.readBytes4(0);\n address token = assetData.readAddress(16);\n address assetProxy = EXCHANGE.getAssetProxy(assetProxyId);\n\n if (assetProxyId == ERC20_DATA_ID) {\n // Query balance\n balance = IERC20Token(token).balanceOf(target);\n\n // Query allowance\n allowance = IERC20Token(token).allowance(target, assetProxy);\n } else if (assetProxyId == ERC721_DATA_ID) {\n uint256 tokenId = assetData.readUint256(36);\n\n // Query owner of tokenId\n address owner = getERC721TokenOwner(token, tokenId);\n\n // Set balance to 1 if tokenId is owned by target\n balance = target == owner ? 1 : 0;\n\n // Check if ERC721Proxy is approved to spend tokenId\n bool isApproved = IERC721Token(token).isApprovedForAll(target, assetProxy) || IERC721Token(token).getApproved(tokenId) == assetProxy;\n \n // Set alowance to 1 if ERC721Proxy is approved to spend tokenId\n allowance = isApproved ? 1 : 0;\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n return (balance, allowance);\n }\n\n /// @dev Fetches token balances and allowances of an address for each given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Array of encoded byte arrays that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balances and allowances of assets.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalancesAndAllowances(address target, bytes[] memory assetData)\n public\n view\n returns (uint256[] memory, uint256[] memory)\n {\n uint256 length = assetData.length;\n uint256[] memory balances = new uint256[](length);\n uint256[] memory allowances = new uint256[](length);\n for (uint256 i = 0; i != length; i++) {\n (balances[i], allowances[i]) = getBalanceAndAllowance(target, assetData[i]);\n }\n return (balances, allowances);\n }\n\n /// @dev Calls `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token.\n /// @param token Address of ERC721 token.\n /// @param tokenId The identifier for the specific NFT.\n /// @return Owner of tokenId or null address if unowned.\n function getERC721TokenOwner(address token, uint256 tokenId)\n public\n view\n returns (address owner)\n {\n assembly {\n // load free memory pointer\n let cdStart := mload(64)\n\n // bytes4(keccak256(ownerOf(uint256))) = 0x6352211e\n mstore(cdStart, 0x6352211e00000000000000000000000000000000000000000000000000000000)\n mstore(add(cdStart, 4), tokenId)\n\n // staticcall `ownerOf(tokenId)`\n // `ownerOf` will revert if tokenId is not owned\n let success := staticcall(\n gas, // forward all gas\n token, // call token contract\n cdStart, // start of calldata\n 36, // length of input is 36 bytes\n cdStart, // write output over input\n 32 // size of output is 32 bytes\n )\n\n // Success implies that tokenId is owned\n // Copy owner from return data if successful\n if success {\n owner := mload(cdStart)\n } \n }\n\n // Owner initialized to address(0), no need to modify if call is unsuccessful\n return owner;\n }\n}\n", + "2.0.0/multisig/MultiSigWallet.sol": "// solhint-disable\npragma solidity ^0.4.15;\n\n\n/// @title Multisignature wallet - Allows multiple parties to agree on transactions before execution.\n/// @author Stefan George - \ncontract MultiSigWallet {\n\n /*\n * Events\n */\n event Confirmation(address indexed sender, uint indexed transactionId);\n event Revocation(address indexed sender, uint indexed transactionId);\n event Submission(uint indexed transactionId);\n event Execution(uint indexed transactionId);\n event ExecutionFailure(uint indexed transactionId);\n event Deposit(address indexed sender, uint value);\n event OwnerAddition(address indexed owner);\n event OwnerRemoval(address indexed owner);\n event RequirementChange(uint required);\n\n /*\n * Constants\n */\n uint constant public MAX_OWNER_COUNT = 50;\n\n /*\n * Storage\n */\n mapping (uint => Transaction) public transactions;\n mapping (uint => mapping (address => bool)) public confirmations;\n mapping (address => bool) public isOwner;\n address[] public owners;\n uint public required;\n uint public transactionCount;\n\n struct Transaction {\n address destination;\n uint value;\n bytes data;\n bool executed;\n }\n\n /*\n * Modifiers\n */\n modifier onlyWallet() {\n require(msg.sender == address(this));\n _;\n }\n\n modifier ownerDoesNotExist(address owner) {\n require(!isOwner[owner]);\n _;\n }\n\n modifier ownerExists(address owner) {\n require(isOwner[owner]);\n _;\n }\n\n modifier transactionExists(uint transactionId) {\n require(transactions[transactionId].destination != 0);\n _;\n }\n\n modifier confirmed(uint transactionId, address owner) {\n require(confirmations[transactionId][owner]);\n _;\n }\n\n modifier notConfirmed(uint transactionId, address owner) {\n require(!confirmations[transactionId][owner]);\n _;\n }\n\n modifier notExecuted(uint transactionId) {\n require(!transactions[transactionId].executed);\n _;\n }\n\n modifier notNull(address _address) {\n require(_address != 0);\n _;\n }\n\n modifier validRequirement(uint ownerCount, uint _required) {\n require(ownerCount <= MAX_OWNER_COUNT\n && _required <= ownerCount\n && _required != 0\n && ownerCount != 0);\n _;\n }\n\n /// @dev Fallback function allows to deposit ether.\n function()\n payable\n {\n if (msg.value > 0)\n Deposit(msg.sender, msg.value);\n }\n\n /*\n * Public functions\n */\n /// @dev Contract constructor sets initial owners and required number of confirmations.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n function MultiSigWallet(address[] _owners, uint _required)\n public\n validRequirement(_owners.length, _required)\n {\n for (uint i=0; i<_owners.length; i++) {\n require(!isOwner[_owners[i]] && _owners[i] != 0);\n isOwner[_owners[i]] = true;\n }\n owners = _owners;\n required = _required;\n }\n\n /// @dev Allows to add a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of new owner.\n function addOwner(address owner)\n public\n onlyWallet\n ownerDoesNotExist(owner)\n notNull(owner)\n validRequirement(owners.length + 1, required)\n {\n isOwner[owner] = true;\n owners.push(owner);\n OwnerAddition(owner);\n }\n\n /// @dev Allows to remove an owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner.\n function removeOwner(address owner)\n public\n onlyWallet\n ownerExists(owner)\n {\n isOwner[owner] = false;\n for (uint i=0; i owners.length)\n changeRequirement(owners.length);\n OwnerRemoval(owner);\n }\n\n /// @dev Allows to replace an owner with a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner to be replaced.\n /// @param newOwner Address of new owner.\n function replaceOwner(address owner, address newOwner)\n public\n onlyWallet\n ownerExists(owner)\n ownerDoesNotExist(newOwner)\n {\n for (uint i=0; i\n// solhint-disable not-rely-on-time\ncontract MultiSigWalletWithTimeLock is\n MultiSigWallet\n{\n event ConfirmationTimeSet(uint256 indexed transactionId, uint256 confirmationTime);\n event TimeLockChange(uint256 secondsTimeLocked);\n\n uint256 public secondsTimeLocked;\n\n mapping (uint256 => uint256) public confirmationTimes;\n\n modifier notFullyConfirmed(uint256 transactionId) {\n require(\n !isConfirmed(transactionId),\n \"TX_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier fullyConfirmed(uint256 transactionId) {\n require(\n isConfirmed(transactionId),\n \"TX_NOT_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier pastTimeLock(uint256 transactionId) {\n require(\n block.timestamp >= confirmationTimes[transactionId] + secondsTimeLocked,\n \"TIME_LOCK_INCOMPLETE\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations, and time lock.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] _owners,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWallet(_owners, _required)\n {\n secondsTimeLocked = _secondsTimeLocked;\n }\n\n /// @dev Changes the duration of the time lock for transactions.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n function changeTimeLock(uint256 _secondsTimeLocked)\n public\n onlyWallet\n {\n secondsTimeLocked = _secondsTimeLocked;\n emit TimeLockChange(_secondsTimeLocked);\n }\n\n /// @dev Allows an owner to confirm a transaction.\n /// @param transactionId Transaction ID.\n function confirmTransaction(uint256 transactionId)\n public\n ownerExists(msg.sender)\n transactionExists(transactionId)\n notConfirmed(transactionId, msg.sender)\n notFullyConfirmed(transactionId)\n {\n confirmations[transactionId][msg.sender] = true;\n emit Confirmation(msg.sender, transactionId);\n if (isConfirmed(transactionId)) {\n setConfirmationTime(transactionId, block.timestamp);\n }\n }\n\n /// @dev Allows anyone to execute a confirmed transaction.\n /// @param transactionId Transaction ID.\n function executeTransaction(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n pastTimeLock(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n\n /// @dev Sets the time of when a submission first passed.\n function setConfirmationTime(uint256 transactionId, uint256 confirmationTime)\n internal\n {\n confirmationTimes[transactionId] = confirmationTime;\n emit ConfirmationTimeSet(transactionId, confirmationTime);\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC20Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n \n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 1 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n\n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. amount |\n\n /////// Read token address from calldata ///////\n // * The token address is stored in `assetData`.\n //\n // * The \"offset to assetData\" is stored at offset 4 in the calldata (table 1).\n // [assetDataOffsetFromParams = calldataload(4)]\n //\n // * Notes that the \"offset to assetData\" is relative to the \"Params\" area of calldata;\n // add 4 bytes to account for the length of the \"Header\" area (table 1).\n // [assetDataOffsetFromHeader = assetDataOffsetFromParams + 4]\n //\n // * The \"token address\" is offset 32+4=36 bytes into \"assetData\" (tables 1 & 2).\n // [tokenOffset = assetDataOffsetFromHeader + 36 = calldataload(4) + 4 + 36]\n let token := calldataload(add(calldataload(4), 40))\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from`, `to` and `amount` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 96)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output over input\n 32 // output size should be 32 bytes\n )\n\n /////// Check return data. ///////\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // nonzero 32 bytes value.\n // So the transfer succeeded if the call succeeded and either\n // returned nothing, or returned a non-zero 32 byte value. \n success := and(success, or(\n iszero(returndatasize),\n and(\n eq(returndatasize, 32),\n gt(mload(0), 0)\n )\n ))\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC721Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 2 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n // | | 36 | | 2. tokenId |\n \n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. tokenId |\n\n // There exists only 1 of each token.\n // require(amount == 1, \"INVALID_AMOUNT\")\n if sub(calldataload(100), 1) {\n // Revert with `Error(\"INVALID_AMOUNT\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from` and `to` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 64)\n\n // Copy `tokenId` field from our own calldata to the new calldata.\n let assetDataOffset := calldataload(4)\n calldatacopy(68, add(assetDataOffset, 72), 32)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let token := calldataload(add(assetDataOffset, 40))\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output to null\n 0 // output size is 0 bytes\n )\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAuthorizable.sol\";\n\n\ncontract MixinAuthorizable is\n Ownable,\n MAuthorizable\n{\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized {\n require(\n authorized[msg.sender],\n \"SENDER_NOT_AUTHORIZED\"\n );\n _;\n }\n\n mapping (address => bool) public authorized;\n address[] public authorities;\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n !authorized[target],\n \"TARGET_ALREADY_AUTHORIZED\"\n );\n\n authorized[target] = true;\n authorities.push(target);\n emit AuthorizedAddressAdded(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n\n delete authorized[target];\n for (uint256 i = 0; i < authorities.length; i++) {\n if (authorities[i] == target) {\n authorities[i] = authorities[authorities.length - 1];\n authorities.length -= 1;\n break;\n }\n }\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n require(\n index < authorities.length,\n \"INDEX_OUT_OF_BOUNDS\"\n );\n require(\n authorities[index] == target,\n \"AUTHORIZED_ADDRESS_MISMATCH\"\n );\n\n delete authorized[target];\n authorities[index] = authorities[authorities.length - 1];\n authorities.length -= 1;\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory)\n {\n return authorities;\n }\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IAuthorizable.sol\";\n\n\ncontract IAssetProxy is\n IAuthorizable\n{\n /// @dev Transfers assets. Either succeeds or throws.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n function transferFrom(\n bytes assetData,\n address from,\n address to,\n uint256 amount\n )\n external;\n \n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4);\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/Ownable/IOwnable.sol\";\n\n\ncontract IAuthorizable is\n IOwnable\n{\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external;\n \n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory);\n}\n", + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAuthorizable.sol\";\n\n\ncontract MAuthorizable is\n IAuthorizable\n{\n // Event logged when a new address is authorized.\n event AuthorizedAddressAdded(\n address indexed target,\n address indexed caller\n );\n\n // Event logged when a currently authorized address is unauthorized.\n event AuthorizedAddressRemoved(\n address indexed target,\n address indexed caller\n );\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized { revert(); _; }\n}\n", + "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../multisig/MultiSigWalletWithTimeLock.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract AssetProxyOwner is\n MultiSigWalletWithTimeLock\n{\n using LibBytes for bytes;\n\n event AssetProxyRegistration(address assetProxyContract, bool isRegistered);\n\n // Mapping of AssetProxy contract address =>\n // if this contract is allowed to call the AssetProxy's `removeAuthorizedAddressAtIndex` method without a time lock.\n mapping (address => bool) public isAssetProxyRegistered;\n\n bytes4 constant internal REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR = bytes4(keccak256(\"removeAuthorizedAddressAtIndex(address,uint256)\"));\n\n /// @dev Function will revert if the transaction does not call `removeAuthorizedAddressAtIndex`\n /// on an approved AssetProxy contract.\n modifier validRemoveAuthorizedAddressAtIndexTx(uint256 transactionId) {\n Transaction storage txn = transactions[transactionId];\n require(\n isAssetProxyRegistered[txn.destination],\n \"UNREGISTERED_ASSET_PROXY\"\n );\n require(\n txn.data.readBytes4(0) == REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR,\n \"INVALID_FUNCTION_SELECTOR\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations,\n /// time lock, and list of AssetProxy addresses.\n /// @param _owners List of initial owners.\n /// @param _assetProxyContracts Array of AssetProxy contract addresses.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] memory _owners,\n address[] memory _assetProxyContracts,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWalletWithTimeLock(_owners, _required, _secondsTimeLocked)\n {\n for (uint256 i = 0; i < _assetProxyContracts.length; i++) {\n address assetProxy = _assetProxyContracts[i];\n require(\n assetProxy != address(0),\n \"INVALID_ASSET_PROXY\"\n );\n isAssetProxyRegistered[assetProxy] = true;\n }\n }\n\n /// @dev Registers or deregisters an AssetProxy to be able to execute\n /// `removeAuthorizedAddressAtIndex` without a timelock.\n /// @param assetProxyContract Address of AssetProxy contract.\n /// @param isRegistered Status of approval for AssetProxy contract.\n function registerAssetProxy(address assetProxyContract, bool isRegistered)\n public\n onlyWallet\n notNull(assetProxyContract)\n {\n isAssetProxyRegistered[assetProxyContract] = isRegistered;\n emit AssetProxyRegistration(assetProxyContract, isRegistered);\n }\n\n /// @dev Allows execution of `removeAuthorizedAddressAtIndex` without time lock.\n /// @param transactionId Transaction ID.\n function executeRemoveAuthorizedAddressAtIndex(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n validRemoveAuthorizedAddressAtIndexTx(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n}\n", + "2.0.0/protocol/Exchange/Exchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinExchangeCore.sol\";\nimport \"./MixinSignatureValidator.sol\";\nimport \"./MixinWrapperFunctions.sol\";\nimport \"./MixinAssetProxyDispatcher.sol\";\nimport \"./MixinTransactions.sol\";\nimport \"./MixinMatchOrders.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Exchange is\n MixinExchangeCore,\n MixinMatchOrders,\n MixinSignatureValidator,\n MixinTransactions,\n MixinAssetProxyDispatcher,\n MixinWrapperFunctions\n{\n string constant public VERSION = \"2.0.1-alpha\";\n\n // Mixins are instantiated in the order they are inherited\n constructor (bytes memory _zrxAssetData)\n public\n LibConstants(_zrxAssetData) // @TODO: Remove when we deploy.\n MixinExchangeCore()\n MixinMatchOrders()\n MixinSignatureValidator()\n MixinTransactions()\n MixinAssetProxyDispatcher()\n MixinWrapperFunctions()\n {}\n}\n", + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\nimport \"../AssetProxy/interfaces/IAssetProxy.sol\";\n\n\ncontract MixinAssetProxyDispatcher is\n Ownable,\n MAssetProxyDispatcher\n{\n // Mapping from Asset Proxy Id's to their respective Asset Proxy\n mapping (bytes4 => IAssetProxy) public assetProxies;\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external\n onlyOwner\n {\n IAssetProxy assetProxyContract = IAssetProxy(assetProxy);\n\n // Ensure that no asset proxy exists with current id.\n bytes4 assetProxyId = assetProxyContract.getProxyId();\n address currentAssetProxy = assetProxies[assetProxyId];\n require(\n currentAssetProxy == address(0),\n \"ASSET_PROXY_ALREADY_EXISTS\"\n );\n\n // Add asset proxy and log registration.\n assetProxies[assetProxyId] = assetProxyContract;\n emit AssetProxyRegistered(\n assetProxyId,\n assetProxy\n );\n }\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address)\n {\n return assetProxies[assetProxyId];\n }\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal\n {\n // Do nothing if no amount should be transferred.\n if (amount > 0 && from != to) {\n // Ensure assetData length is valid\n require(\n assetData.length > 3,\n \"LENGTH_GREATER_THAN_3_REQUIRED\"\n );\n \n // Lookup assetProxy. We do not use `LibBytes.readBytes4` for gas efficiency reasons.\n bytes4 assetProxyId;\n assembly {\n assetProxyId := and(mload(\n add(assetData, 32)),\n 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000\n )\n }\n address assetProxy = assetProxies[assetProxyId];\n\n // Ensure that assetProxy exists\n require(\n assetProxy != address(0),\n \"ASSET_PROXY_DOES_NOT_EXIST\"\n );\n \n // We construct calldata for the `assetProxy.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n\n assembly {\n /////// Setup State ///////\n // `cdStart` is the start of the calldata for `assetProxy.transferFrom` (equal to free memory ptr).\n let cdStart := mload(64)\n // `dataAreaLength` is the total number of words needed to store `assetData`\n // As-per the ABI spec, this value is padded up to the nearest multiple of 32,\n // and includes 32-bytes for length.\n let dataAreaLength := and(add(mload(assetData), 63), 0xFFFFFFFFFFFE0)\n // `cdEnd` is the end of the calldata for `assetProxy.transferFrom`.\n let cdEnd := add(cdStart, add(132, dataAreaLength))\n\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFromSelector`.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes.\n // Notes:\n // 1. The offset to `assetData` is the length of the Params Area (128 bytes).\n // 2. A 20-byte mask is applied to addresses to zero-out the unused bytes.\n mstore(add(cdStart, 4), 128)\n mstore(add(cdStart, 36), and(from, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 68), and(to, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 100), amount)\n \n /////// Setup Data Area ///////\n // This area holds `assetData`.\n let dataArea := add(cdStart, 132)\n // solhint-disable-next-line no-empty-blocks\n for {} lt(dataArea, cdEnd) {} {\n mstore(dataArea, mload(assetData))\n dataArea := add(dataArea, 32)\n assetData := add(assetData, 32)\n }\n\n /////// Call `assetProxy.transferFrom` using the constructed calldata ///////\n let success := call(\n gas, // forward all gas\n assetProxy, // call address of asset proxy\n 0, // don't send any ETH\n cdStart, // pointer to start of input\n sub(cdEnd, cdStart), // length of input \n cdStart, // write output over input\n 512 // reserve 512 bytes for output\n )\n if iszero(success) {\n revert(cdStart, returndatasize())\n }\n }\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinExchangeCore is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n LibOrder,\n LibFillResults,\n MAssetProxyDispatcher,\n MExchangeCore,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of orderHash => amount of takerAsset already bought by maker\n mapping (bytes32 => uint256) public filled;\n\n // Mapping of orderHash => cancelled\n mapping (bytes32 => bool) public cancelled;\n\n // Mapping of makerAddress => senderAddress => lowest salt an order can have in order to be fillable\n // Orders with specified senderAddress and with a salt less than their epoch are considered cancelled\n mapping (address => mapping (address => uint256)) public orderEpoch;\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external\n nonReentrant\n {\n address makerAddress = getCurrentContextAddress();\n // If this function is called via `executeTransaction`, we only update the orderEpoch for the makerAddress/msg.sender combination.\n // This allows external filter contracts to add rules to how orders are cancelled via this function.\n address senderAddress = makerAddress == msg.sender ? address(0) : msg.sender;\n\n // orderEpoch is initialized to 0, so to cancelUpTo we need salt + 1\n uint256 newOrderEpoch = targetOrderEpoch + 1; \n uint256 oldOrderEpoch = orderEpoch[makerAddress][senderAddress];\n\n // Ensure orderEpoch is monotonically increasing\n require(\n newOrderEpoch > oldOrderEpoch, \n \"INVALID_NEW_ORDER_EPOCH\"\n );\n\n // Update orderEpoch\n orderEpoch[makerAddress][senderAddress] = newOrderEpoch;\n emit CancelUpTo(\n makerAddress,\n senderAddress,\n newOrderEpoch\n );\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrder(Order memory order)\n public\n nonReentrant\n {\n cancelOrderInternal(order);\n }\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(Order memory order)\n public\n view\n returns (OrderInfo memory orderInfo)\n {\n // Compute the order hash\n orderInfo.orderHash = getOrderHash(order);\n\n // Fetch filled amount\n orderInfo.orderTakerAssetFilledAmount = filled[orderInfo.orderHash];\n\n // If order.makerAssetAmount is zero, we also reject the order.\n // While the Exchange contract handles them correctly, they create\n // edge cases in the supporting infrastructure because they have\n // an 'infinite' price when computed by a simple division.\n if (order.makerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_MAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // If order.takerAssetAmount is zero, then the order will always\n // be considered filled because 0 == takerAssetAmount == orderTakerAssetFilledAmount\n // Instead of distinguishing between unfilled and filled zero taker\n // amount orders, we choose not to support them.\n if (order.takerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_TAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // Validate order availability\n if (orderInfo.orderTakerAssetFilledAmount >= order.takerAssetAmount) {\n orderInfo.orderStatus = uint8(OrderStatus.FULLY_FILLED);\n return orderInfo;\n }\n\n // Validate order expiration\n // solhint-disable-next-line not-rely-on-time\n if (block.timestamp >= order.expirationTimeSeconds) {\n orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);\n return orderInfo;\n }\n\n // Check if order has been cancelled\n if (cancelled[orderInfo.orderHash]) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n if (orderEpoch[order.makerAddress][order.senderAddress] > order.salt) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n\n // All other statuses are ruled out: order is Fillable\n orderInfo.orderStatus = uint8(OrderStatus.FILLABLE);\n return orderInfo;\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // Fetch order info\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Assert that the order is fillable by taker\n assertFillableOrder(\n order,\n orderInfo,\n takerAddress,\n signature\n );\n \n // Get amount of takerAsset to fill\n uint256 remainingTakerAssetAmount = safeSub(order.takerAssetAmount, orderInfo.orderTakerAssetFilledAmount);\n uint256 takerAssetFilledAmount = min256(takerAssetFillAmount, remainingTakerAssetAmount);\n\n // Validate context\n assertValidFill(\n order,\n orderInfo,\n takerAssetFillAmount,\n takerAssetFilledAmount,\n fillResults.makerAssetFilledAmount\n );\n\n // Compute proportional fill amounts\n fillResults = calculateFillResults(order, takerAssetFilledAmount);\n\n // Update exchange internal state\n updateFilledState(\n order,\n takerAddress,\n orderInfo.orderHash,\n orderInfo.orderTakerAssetFilledAmount,\n fillResults\n );\n \n // Settle order\n settleOrder(\n order,\n takerAddress,\n fillResults\n );\n\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrderInternal(Order memory order)\n internal\n {\n // Fetch current order status\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Validate context\n assertValidCancel(order, orderInfo);\n\n // Perform cancel\n updateCancelledState(order, orderInfo.orderHash);\n }\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n function updateFilledState(\n Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n FillResults memory fillResults\n )\n internal\n {\n // Update state\n filled[orderHash] = safeAdd(orderTakerAssetFilledAmount, fillResults.takerAssetFilledAmount);\n\n // Log order\n emit Fill(\n order.makerAddress,\n order.feeRecipientAddress,\n takerAddress,\n msg.sender,\n fillResults.makerAssetFilledAmount,\n fillResults.takerAssetFilledAmount,\n fillResults.makerFeePaid,\n fillResults.takerFeePaid,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n Order memory order,\n bytes32 orderHash\n )\n internal\n {\n // Perform cancel\n cancelled[orderHash] = true;\n\n // Log cancel\n emit Cancel(\n order.makerAddress,\n order.feeRecipientAddress,\n msg.sender,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n Order memory order,\n OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view\n {\n // An order can only be filled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n \n // Validate sender is allowed to fill this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n \n // Validate taker is allowed to fill this order\n if (order.takerAddress != address(0)) {\n require(\n order.takerAddress == takerAddress,\n \"INVALID_TAKER\"\n );\n }\n \n // Validate Maker signature (check only if first time seen)\n if (orderInfo.orderTakerAssetFilledAmount == 0) {\n require(\n isValidSignature(\n orderInfo.orderHash,\n order.makerAddress,\n signature\n ),\n \"INVALID_ORDER_SIGNATURE\"\n );\n }\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n Order memory order,\n OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount, // TODO: use FillResults\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view\n {\n // Revert if fill amount is invalid\n // TODO: reconsider necessity for v2.1\n require(\n takerAssetFillAmount != 0,\n \"INVALID_TAKER_AMOUNT\"\n );\n \n // Make sure taker does not pay more than desired amount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n takerAssetFilledAmount <= takerAssetFillAmount,\n \"TAKER_OVERPAY\"\n );\n \n // Make sure order is not overfilled\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeAdd(orderInfo.orderTakerAssetFilledAmount, takerAssetFilledAmount) <= order.takerAssetAmount,\n \"ORDER_OVERFILL\"\n );\n \n // Make sure order is filled at acceptable price.\n // The order has an implied price from the makers perspective:\n // order price = order.makerAssetAmount / order.takerAssetAmount\n // i.e. the number of makerAsset maker is paying per takerAsset. The\n // maker is guaranteed to get this price or a better (lower) one. The\n // actual price maker is getting in this fill is:\n // fill price = makerAssetFilledAmount / takerAssetFilledAmount\n // We need `fill price <= order price` for the fill to be fair to maker.\n // This amounts to:\n // makerAssetFilledAmount order.makerAssetAmount\n // ------------------------ <= -----------------------\n // takerAssetFilledAmount order.takerAssetAmount\n // or, equivalently:\n // makerAssetFilledAmount * order.takerAssetAmount <=\n // order.makerAssetAmount * takerAssetFilledAmount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeMul(makerAssetFilledAmount, order.takerAssetAmount)\n <= \n safeMul(order.makerAssetAmount, takerAssetFilledAmount),\n \"INVALID_FILL_PRICE\"\n );\n }\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n Order memory order,\n OrderInfo memory orderInfo\n )\n internal\n view\n {\n // Ensure order is valid\n // An order can only be cancelled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Validate sender is allowed to cancel this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate transaction signed by maker\n address makerAddress = getCurrentContextAddress();\n require(\n order.makerAddress == makerAddress,\n \"INVALID_MAKER\"\n );\n }\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (FillResults memory fillResults)\n {\n // Compute proportional transfer amounts\n fillResults.takerAssetFilledAmount = takerAssetFilledAmount;\n fillResults.makerAssetFilledAmount = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n );\n fillResults.makerFeePaid = safeGetPartialAmountFloor(\n fillResults.makerAssetFilledAmount,\n order.makerAssetAmount,\n order.makerFee\n );\n fillResults.takerFeePaid = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.takerFee\n );\n\n return fillResults;\n }\n\n /// @dev Settles an order by transferring assets between counterparties.\n /// @param order Order struct containing order specifications.\n /// @param takerAddress Address selling takerAsset and buying makerAsset.\n /// @param fillResults Amounts to be filled and fees paid by maker and taker.\n function settleOrder(\n LibOrder.Order memory order,\n address takerAddress,\n LibFillResults.FillResults memory fillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n dispatchTransferFrom(\n order.makerAssetData,\n order.makerAddress,\n takerAddress,\n fillResults.makerAssetFilledAmount\n );\n dispatchTransferFrom(\n order.takerAssetData,\n takerAddress,\n order.makerAddress,\n fillResults.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n zrxAssetData,\n order.makerAddress,\n order.feeRecipientAddress,\n fillResults.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n order.feeRecipientAddress,\n fillResults.takerFeePaid\n );\n }\n}\n", + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": "/*\n Copyright 2018 ZeroEx Intl.\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n http://www.apache.org/licenses/LICENSE-2.0\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MMatchOrders.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinMatchOrders is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n MAssetProxyDispatcher,\n MExchangeCore,\n MMatchOrders,\n MTransactions\n{\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n nonReentrant\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We assume that rightOrder.takerAssetData == leftOrder.makerAssetData and rightOrder.makerAssetData == leftOrder.takerAssetData.\n // If this assumption isn't true, the match will fail at signature validation.\n rightOrder.makerAssetData = leftOrder.takerAssetData;\n rightOrder.takerAssetData = leftOrder.makerAssetData;\n\n // Get left & right order info\n LibOrder.OrderInfo memory leftOrderInfo = getOrderInfo(leftOrder);\n LibOrder.OrderInfo memory rightOrderInfo = getOrderInfo(rightOrder);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Either our context is valid or we revert\n assertFillableOrder(\n leftOrder,\n leftOrderInfo,\n takerAddress,\n leftSignature\n );\n assertFillableOrder(\n rightOrder,\n rightOrderInfo,\n takerAddress,\n rightSignature\n );\n assertValidMatch(leftOrder, rightOrder);\n\n // Compute proportional fill amounts\n matchedFillResults = calculateMatchedFillResults(\n leftOrder,\n rightOrder,\n leftOrderInfo.orderTakerAssetFilledAmount,\n rightOrderInfo.orderTakerAssetFilledAmount\n );\n\n // Validate fill contexts\n assertValidFill(\n leftOrder,\n leftOrderInfo,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.makerAssetFilledAmount\n );\n assertValidFill(\n rightOrder,\n rightOrderInfo,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n \n // Update exchange state\n updateFilledState(\n leftOrder,\n takerAddress,\n leftOrderInfo.orderHash,\n leftOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.left\n );\n updateFilledState(\n rightOrder,\n takerAddress,\n rightOrderInfo.orderHash,\n rightOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.right\n );\n\n // Settle matched orders. Succeeds or throws.\n settleMatchedOrders(\n leftOrder,\n rightOrder,\n takerAddress,\n matchedFillResults\n );\n\n return matchedFillResults;\n }\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure\n {\n // Make sure there is a profitable spread.\n // There is a profitable spread iff the cost per unit bought (OrderA.MakerAmount/OrderA.TakerAmount) for each order is greater\n // than the profit per unit sold of the matched order (OrderB.TakerAmount/OrderB.MakerAmount).\n // This is satisfied by the equations below:\n // / >= / \n // AND\n // / >= / \n // These equations can be combined to get the following:\n require(\n safeMul(leftOrder.makerAssetAmount, rightOrder.makerAssetAmount) >=\n safeMul(leftOrder.takerAssetAmount, rightOrder.takerAssetAmount),\n \"NEGATIVE_SPREAD_REQUIRED\"\n );\n }\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // Derive maker asset amounts for left & right orders, given store taker assert amounts\n uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);\n uint256 leftMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n leftTakerAssetAmountRemaining\n );\n uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);\n uint256 rightMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n rightOrder.makerAssetAmount,\n rightOrder.takerAssetAmount,\n rightTakerAssetAmountRemaining\n );\n\n // Calculate fill results for maker and taker assets: at least one order will be fully filled.\n // The maximum amount the left maker can buy is `leftTakerAssetAmountRemaining`\n // The maximum amount the right maker can sell is `rightMakerAssetAmountRemaining`\n // We have two distinct cases for calculating the fill results:\n // Case 1.\n // If the left maker can buy more than the right maker can sell, then only the right order is fully filled.\n // If the left maker can buy exactly what the right maker can sell, then both orders are fully filled.\n // Case 2.\n // If the left maker cannot buy more than the right maker can sell, then only the left order is fully filled.\n if (leftTakerAssetAmountRemaining >= rightMakerAssetAmountRemaining) {\n // Case 1: Right order is fully filled\n matchedFillResults.right.makerAssetFilledAmount = rightMakerAssetAmountRemaining;\n matchedFillResults.right.takerAssetFilledAmount = rightTakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = matchedFillResults.right.makerAssetFilledAmount;\n // Round down to ensure the maker's exchange rate does not exceed the price specified by the order. \n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.left.makerAssetFilledAmount = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n matchedFillResults.left.takerAssetFilledAmount\n );\n } else {\n // Case 2: Left order is fully filled\n matchedFillResults.left.makerAssetFilledAmount = leftMakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = leftTakerAssetAmountRemaining;\n matchedFillResults.right.makerAssetFilledAmount = matchedFillResults.left.takerAssetFilledAmount;\n // Round up to ensure the maker's exchange rate does not exceed the price specified by the order.\n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.right.takerAssetFilledAmount = safeGetPartialAmountCeil(\n rightOrder.takerAssetAmount,\n rightOrder.makerAssetAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n }\n\n // Calculate amount given to taker\n matchedFillResults.leftMakerAssetSpreadAmount = safeSub(\n matchedFillResults.left.makerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount\n );\n\n // Compute fees for left order\n matchedFillResults.left.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.makerAssetFilledAmount,\n leftOrder.makerAssetAmount,\n leftOrder.makerFee\n );\n matchedFillResults.left.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.takerAssetFilledAmount,\n leftOrder.takerAssetAmount,\n leftOrder.takerFee\n );\n\n // Compute fees for right order\n matchedFillResults.right.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.makerAssetFilledAmount,\n rightOrder.makerAssetAmount,\n rightOrder.makerFee\n );\n matchedFillResults.right.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.takerAssetFilledAmount,\n rightOrder.takerAssetAmount,\n rightOrder.takerFee\n );\n\n // Return fill results\n return matchedFillResults;\n }\n\n /// @dev Settles matched order by transferring appropriate funds between order makers, taker, and fee recipient.\n /// @param leftOrder First matched order.\n /// @param rightOrder Second matched order.\n /// @param takerAddress Address that matched the orders. The taker receives the spread between orders as profit.\n /// @param matchedFillResults Struct holding amounts to transfer between makers, taker, and fee recipients.\n function settleMatchedOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n address takerAddress,\n LibFillResults.MatchedFillResults memory matchedFillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n // Order makers and taker\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n rightOrder.makerAddress,\n matchedFillResults.right.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n rightOrder.makerAssetData,\n rightOrder.makerAddress,\n leftOrder.makerAddress,\n matchedFillResults.left.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n takerAddress,\n matchedFillResults.leftMakerAssetSpreadAmount\n );\n\n // Maker fees\n dispatchTransferFrom(\n zrxAssetData,\n leftOrder.makerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n rightOrder.makerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.makerFeePaid\n );\n\n // Taker fees\n if (leftOrder.feeRecipientAddress == rightOrder.feeRecipientAddress) {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n safeAdd(\n matchedFillResults.left.takerFeePaid,\n matchedFillResults.right.takerFeePaid\n )\n );\n } else {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.takerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.takerFeePaid\n );\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./interfaces/IWallet.sol\";\nimport \"./interfaces/IValidator.sol\";\n\n\ncontract MixinSignatureValidator is\n ReentrancyGuard,\n MSignatureValidator,\n MTransactions\n{\n using LibBytes for bytes;\n \n // Mapping of hash => signer => signed\n mapping (bytes32 => mapping (address => bool)) public preSigned;\n\n // Mapping of signer => validator => approved\n mapping (address => mapping (address => bool)) public allowedValidators;\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n {\n if (signerAddress != msg.sender) {\n require(\n isValidSignature(\n hash,\n signerAddress,\n signature\n ),\n \"INVALID_SIGNATURE\"\n );\n }\n preSigned[hash][signerAddress] = true;\n }\n\n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external\n nonReentrant\n {\n address signerAddress = getCurrentContextAddress();\n allowedValidators[signerAddress][validatorAddress] = approval;\n emit SignatureValidatorApproval(\n signerAddress,\n validatorAddress,\n approval\n );\n }\n\n /// @dev Verifies that a hash has been signed by the given signer.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid)\n {\n require(\n signature.length > 0,\n \"LENGTH_GREATER_THAN_0_REQUIRED\"\n );\n\n // Pop last byte off of signature byte array.\n uint8 signatureTypeRaw = uint8(signature.popLastByte());\n\n // Ensure signature is supported\n require(\n signatureTypeRaw < uint8(SignatureType.NSignatureTypes),\n \"SIGNATURE_UNSUPPORTED\"\n );\n\n SignatureType signatureType = SignatureType(signatureTypeRaw);\n\n // Variables are not scoped in Solidity.\n uint8 v;\n bytes32 r;\n bytes32 s;\n address recovered;\n\n // Always illegal signature.\n // This is always an implicit option since a signer can create a\n // signature array with invalid type or length. We may as well make\n // it an explicit option. This aids testing and analysis. It is\n // also the initialization value for the enum type.\n if (signatureType == SignatureType.Illegal) {\n revert(\"SIGNATURE_ILLEGAL\");\n\n // Always invalid signature.\n // Like Illegal, this is always implicitly available and therefore\n // offered explicitly. It can be implicitly created by providing\n // a correctly formatted but incorrect signature.\n } else if (signatureType == SignatureType.Invalid) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = false;\n return isValid;\n\n // Signature using EIP712\n } else if (signatureType == SignatureType.EIP712) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n hash,\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signed using web3.eth_sign\n } else if (signatureType == SignatureType.EthSign) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n32\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signature verified by wallet contract.\n // If used with an order, the maker of the order is the wallet contract.\n } else if (signatureType == SignatureType.Wallet) {\n isValid = isValidWalletSignature(\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signature verified by validator contract.\n // If used with an order, the maker of the order can still be an EOA.\n // A signature using this type should be encoded as:\n // | Offset | Length | Contents |\n // | 0x00 | x | Signature to validate |\n // | 0x00 + x | 20 | Address of validator contract |\n // | 0x14 + x | 1 | Signature type is always \"\\x06\" |\n } else if (signatureType == SignatureType.Validator) {\n // Pop last 20 bytes off of signature byte array.\n address validatorAddress = signature.popLast20Bytes();\n \n // Ensure signer has approved validator.\n if (!allowedValidators[signerAddress][validatorAddress]) {\n return false;\n }\n isValid = isValidValidatorSignature(\n validatorAddress,\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signer signed hash previously using the preSign function.\n } else if (signatureType == SignatureType.PreSigned) {\n isValid = preSigned[hash][signerAddress];\n return isValid;\n }\n\n // Anything else is illegal (We do not return false because\n // the signature may actually be valid, just not in a format\n // that we currently support. In this case returning false\n // may lead the caller to incorrectly believe that the\n // signature was invalid.)\n revert(\"SIGNATURE_UNSUPPORTED\");\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if signature is valid for given wallet..\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IWallet(walletAddress).isValidSignature.selector,\n hash,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n walletAddress, // address of Wallet contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"WALLET_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000c57414c4c45545f4552524f5200000000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IValidator(signerAddress).isValidSignature.selector,\n hash,\n signerAddress,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n validatorAddress, // address of Validator contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"VALIDATOR_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f56414c494441544f525f4552524f5200000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n}\n", + "2.0.0/protocol/Exchange/MixinTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"./libs/LibExchangeErrors.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./libs/LibEIP712.sol\";\n\n\ncontract MixinTransactions is\n LibEIP712,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of transaction hash => executed\n // This prevents transactions from being executed more than once.\n mapping (bytes32 => bool) public transactions;\n\n // Address of current transaction signer\n address public currentContextAddress;\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external\n {\n // Prevent reentrancy\n require(\n currentContextAddress == address(0),\n \"REENTRANCY_ILLEGAL\"\n );\n\n bytes32 transactionHash = hashEIP712Message(hashZeroExTransaction(\n salt,\n signerAddress,\n data\n ));\n\n // Validate transaction has not been executed\n require(\n !transactions[transactionHash],\n \"INVALID_TX_HASH\"\n );\n\n // Transaction always valid if signer is sender of transaction\n if (signerAddress != msg.sender) {\n // Validate signature\n require(\n isValidSignature(\n transactionHash,\n signerAddress,\n signature\n ),\n \"INVALID_TX_SIGNATURE\"\n );\n\n // Set the current transaction signer\n currentContextAddress = signerAddress;\n }\n\n // Execute transaction\n transactions[transactionHash] = true;\n require(\n address(this).delegatecall(data),\n \"FAILED_EXECUTION\"\n );\n\n // Reset current transaction signer if it was previously updated\n if (signerAddress != msg.sender) {\n currentContextAddress = address(0);\n }\n }\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;\n bytes32 dataHash = keccak256(data);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,\n // salt,\n // bytes32(signerAddress),\n // keccak256(data)\n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, schemaHash) // hash of schema\n mstore(add(memPtr, 32), salt) // salt\n mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff)) // signerAddress\n mstore(add(memPtr, 96), dataHash) // hash of data\n\n // Compute hash\n result := keccak256(memPtr, 128)\n }\n return result;\n }\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address)\n {\n address currentContextAddress_ = currentContextAddress;\n address contextAddress = currentContextAddress_ == address(0) ? msg.sender : currentContextAddress_;\n return contextAddress;\n }\n}\n", + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibAbiEncoder.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MWrapperFunctions.sol\";\n\n\ncontract MixinWrapperFunctions is\n ReentrancyGuard,\n LibMath,\n LibFillResults,\n LibAbiEncoder,\n MExchangeCore,\n MWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrKillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n // Delegate to `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := delegatecall(\n gas, // forward all gas\n address, // call address of this contract\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrKillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n \n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public\n nonReentrant\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n cancelOrderInternal(orders[i]);\n }\n }\n\n /// @dev Fetches information for all passed in orders.\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n LibOrder.OrderInfo[] memory ordersInfo = new LibOrder.OrderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n ordersInfo[i] = getOrderInfo(orders[i]);\n }\n return ordersInfo;\n }\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n require(\n fillResults.takerAssetFilledAmount == takerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return fillResults;\n }\n}\n", + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssetProxyDispatcher {\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external;\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./IExchangeCore.sol\";\nimport \"./IMatchOrders.sol\";\nimport \"./ISignatureValidator.sol\";\nimport \"./ITransactions.sol\";\nimport \"./IAssetProxyDispatcher.sol\";\nimport \"./IWrapperFunctions.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract IExchange is\n IExchangeCore,\n IMatchOrders,\n ISignatureValidator,\n ITransactions,\n IAssetProxyDispatcher,\n IWrapperFunctions\n{}\n", + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IExchangeCore {\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external;\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrder(LibOrder.Order memory order)\n public;\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(LibOrder.Order memory order)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IMatchOrders {\n\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ISignatureValidator {\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external;\n \n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external;\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address of signer.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\n\ncontract ITransactions {\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external;\n}\n", + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IValidator {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IWallet {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IWrapperFunctions {\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public;\n\n /// @dev Fetches information for all passed in orders\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory);\n}\n", + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./LibOrder.sol\";\n\n\ncontract LibAbiEncoder {\n\n /// @dev ABI encodes calldata for `fillOrder`.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return ABI encoded calldata for `fillOrder`.\n function abiEncodeFillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n pure\n returns (bytes memory fillOrderCalldata)\n {\n // We need to call MExchangeCore.fillOrder using a delegatecall in\n // assembly so that we can intercept a call that throws. For this, we\n // need the input encoded in memory in the Ethereum ABIv2 format [1].\n\n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0x00 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 0x00 | | 1. offset to order (*) |\n // | | 0x20 | | 2. takerAssetFillAmount |\n // | | 0x40 | | 3. offset to signature (*) |\n // | Data | | 12 * 32 | order: |\n // | | 0x000 | | 1. senderAddress |\n // | | 0x020 | | 2. makerAddress |\n // | | 0x040 | | 3. takerAddress |\n // | | 0x060 | | 4. feeRecipientAddress |\n // | | 0x080 | | 5. makerAssetAmount |\n // | | 0x0A0 | | 6. takerAssetAmount |\n // | | 0x0C0 | | 7. makerFeeAmount |\n // | | 0x0E0 | | 8. takerFeeAmount |\n // | | 0x100 | | 9. expirationTimeSeconds |\n // | | 0x120 | | 10. salt |\n // | | 0x140 | | 11. Offset to makerAssetData (*) |\n // | | 0x160 | | 12. Offset to takerAssetData (*) |\n // | | 0x180 | 32 | makerAssetData Length |\n // | | 0x1A0 | ** | makerAssetData Contents |\n // | | 0x1C0 | 32 | takerAssetData Length |\n // | | 0x1E0 | ** | takerAssetData Contents |\n // | | 0x200 | 32 | signature Length |\n // | | 0x220 | ** | signature Contents |\n\n // * Offsets are calculated from the beginning of the current area: Header, Params, Data:\n // An offset stored in the Params area is calculated from the beginning of the Params section.\n // An offset stored in the Data area is calculated from the beginning of the Data section.\n\n // ** The length of dynamic array contents are stored in the field immediately preceeding the contents.\n\n // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html\n\n assembly {\n\n // Areas below may use the following variables:\n // 1. Start -- Start of this area in memory\n // 2. End -- End of this area in memory. This value may\n // be precomputed (before writing contents),\n // or it may be computed as contents are written.\n // 3. Offset -- Current offset into area. If an area's End\n // is precomputed, this variable tracks the\n // offsets of contents as they are written.\n\n /////// Setup Header Area ///////\n // Load free memory pointer\n fillOrderCalldata := mload(0x40)\n // bytes4(keccak256(\"fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)\"))\n // = 0xb4be83d5\n // Leave 0x20 bytes to store the length\n mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000)\n let headerAreaEnd := add(fillOrderCalldata, 0x24)\n\n /////// Setup Params Area ///////\n // This area is preallocated and written to later.\n // This is because we need to fill in offsets that have not yet been calculated.\n let paramsAreaStart := headerAreaEnd\n let paramsAreaEnd := add(paramsAreaStart, 0x60)\n let paramsAreaOffset := paramsAreaStart\n\n /////// Setup Data Area ///////\n let dataAreaStart := paramsAreaEnd\n let dataAreaEnd := dataAreaStart\n\n // Offset from the source data we're reading from\n let sourceOffset := order\n // arrayLenBytes and arrayLenWords track the length of a dynamically-allocated bytes array.\n let arrayLenBytes := 0\n let arrayLenWords := 0\n\n /////// Write order Struct ///////\n // Write memory location of Order, relative to the start of the\n // parameter list, then increment the paramsAreaOffset respectively.\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n // Write values for each field in the order\n // It would be nice to use a loop, but we save on gas by writing\n // the stores sequentially.\n mstore(dataAreaEnd, mload(sourceOffset)) // makerAddress\n mstore(add(dataAreaEnd, 0x20), mload(add(sourceOffset, 0x20))) // takerAddress\n mstore(add(dataAreaEnd, 0x40), mload(add(sourceOffset, 0x40))) // feeRecipientAddress\n mstore(add(dataAreaEnd, 0x60), mload(add(sourceOffset, 0x60))) // senderAddress\n mstore(add(dataAreaEnd, 0x80), mload(add(sourceOffset, 0x80))) // makerAssetAmount\n mstore(add(dataAreaEnd, 0xA0), mload(add(sourceOffset, 0xA0))) // takerAssetAmount\n mstore(add(dataAreaEnd, 0xC0), mload(add(sourceOffset, 0xC0))) // makerFeeAmount\n mstore(add(dataAreaEnd, 0xE0), mload(add(sourceOffset, 0xE0))) // takerFeeAmount\n mstore(add(dataAreaEnd, 0x100), mload(add(sourceOffset, 0x100))) // expirationTimeSeconds\n mstore(add(dataAreaEnd, 0x120), mload(add(sourceOffset, 0x120))) // salt\n mstore(add(dataAreaEnd, 0x140), mload(add(sourceOffset, 0x140))) // Offset to makerAssetData\n mstore(add(dataAreaEnd, 0x160), mload(add(sourceOffset, 0x160))) // Offset to takerAssetData\n dataAreaEnd := add(dataAreaEnd, 0x180)\n sourceOffset := add(sourceOffset, 0x180)\n\n // Write offset to \n mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x140)) // makerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Write offset to \n mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x160)) // takerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n /////// Write takerAssetFillAmount ///////\n mstore(paramsAreaOffset, takerAssetFillAmount)\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n /////// Write signature ///////\n // Write offset to paramsArea\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n\n // Calculate length of signature\n sourceOffset := signature\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of signature\n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of signature\n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Set length of calldata\n mstore(fillOrderCalldata, sub(dataAreaEnd, add(fillOrderCalldata, 0x20)))\n\n // Increment free memory pointer\n mstore(0x40, dataAreaEnd)\n }\n\n return fillOrderCalldata;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\n// solhint-disable max-line-length\ncontract LibConstants {\n \n // Asset data for ZRX token. Used for fee transfers.\n // @TODO: Hardcode constant when we deploy. Currently \n // not constant to make testing easier.\n\n // The proxyId for ZRX_ASSET_DATA is bytes4(keccak256(\"ERC20Token(address)\")) = 0xf47261b0\n \n // Kovan ZRX address is 0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570.\n // The ABI encoded proxyId and address is 0xf47261b00000000000000000000000006ff6c0ff1d68b964901f986d4c9fa3ac68346570\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x6f\\xf6\\xc0\\xff\\x1d\\x68\\xb9\\x64\\x90\\x1f\\x98\\x6d\\x4c\\x9f\\xa3\\xac\\x68\\x34\\x65\\x70\";\n \n // Mainnet ZRX address is 0xe41d2489571d322189246dafa5ebde1f4699f498.\n // The ABI encoded proxyId and address is 0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xe4\\x1d\\x24\\x89\\x57\\x1d\\x32\\x21\\x89\\x24\\x6d\\xaf\\xa5\\xeb\\xde\\x1f\\x46\\x99\\xf4\\x98\";\n \n // solhint-disable-next-line var-name-mixedcase\n bytes public ZRX_ASSET_DATA;\n\n // @TODO: Remove when we deploy.\n constructor (bytes memory zrxAssetData)\n public\n {\n ZRX_ASSET_DATA = zrxAssetData;\n }\n}\n// solhint-enable max-line-length\n", + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract LibEIP712 {\n\n // EIP191 header for EIP712 prefix\n string constant internal EIP191_HEADER = \"\\x19\\x01\";\n\n // EIP712 Domain Name value\n string constant internal EIP712_DOMAIN_NAME = \"0x Protocol\";\n\n // EIP712 Domain Version value\n string constant internal EIP712_DOMAIN_VERSION = \"2\";\n\n // Hash of the EIP712 Domain Separator Schema\n bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"EIP712Domain(\",\n \"string name,\",\n \"string version,\",\n \"address verifyingContract\",\n \")\"\n ));\n\n // Hash of the EIP712 Domain Separator data\n // solhint-disable-next-line var-name-mixedcase\n bytes32 public EIP712_DOMAIN_HASH;\n\n constructor ()\n public\n {\n EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(\n EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,\n keccak256(bytes(EIP712_DOMAIN_NAME)),\n keccak256(bytes(EIP712_DOMAIN_VERSION)),\n bytes32(address(this))\n ));\n }\n\n /// @dev Calculates EIP712 encoding for a hash struct in this EIP712 Domain.\n /// @param hashStruct The EIP712 hash struct.\n /// @return EIP712 hash applied to this EIP712 Domain.\n function hashEIP712Message(bytes32 hashStruct)\n internal\n view\n returns (bytes32 result)\n {\n bytes32 eip712DomainHash = EIP712_DOMAIN_HASH;\n\n // Assembly for more efficient computing:\n // keccak256(abi.encodePacked(\n // EIP191_HEADER,\n // EIP712_DOMAIN_HASH,\n // hashStruct \n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, 0x1901000000000000000000000000000000000000000000000000000000000000) // EIP191 header\n mstore(add(memPtr, 2), eip712DomainHash) // EIP712 domain hash\n mstore(add(memPtr, 34), hashStruct) // Hash of struct\n\n // Compute hash\n result := keccak256(memPtr, 66)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity 0.4.24;\n\n\n/// @dev This contract documents the revert reasons used in the Exchange contract.\n/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons.\ncontract LibExchangeErrors {\n\n /// Order validation errors ///\n string constant ORDER_UNFILLABLE = \"ORDER_UNFILLABLE\"; // Order cannot be filled.\n string constant INVALID_MAKER = \"INVALID_MAKER\"; // Invalid makerAddress.\n string constant INVALID_TAKER = \"INVALID_TAKER\"; // Invalid takerAddress.\n string constant INVALID_SENDER = \"INVALID_SENDER\"; // Invalid `msg.sender`.\n string constant INVALID_ORDER_SIGNATURE = \"INVALID_ORDER_SIGNATURE\"; // Signature validation failed. \n \n /// fillOrder validation errors ///\n string constant INVALID_TAKER_AMOUNT = \"INVALID_TAKER_AMOUNT\"; // takerAssetFillAmount cannot equal 0.\n string constant ROUNDING_ERROR = \"ROUNDING_ERROR\"; // Rounding error greater than 0.1% of takerAssetFillAmount. \n \n /// Signature validation errors ///\n string constant INVALID_SIGNATURE = \"INVALID_SIGNATURE\"; // Signature validation failed. \n string constant SIGNATURE_ILLEGAL = \"SIGNATURE_ILLEGAL\"; // Signature type is illegal.\n string constant SIGNATURE_UNSUPPORTED = \"SIGNATURE_UNSUPPORTED\"; // Signature type unsupported.\n \n /// cancelOrdersUptTo errors ///\n string constant INVALID_NEW_ORDER_EPOCH = \"INVALID_NEW_ORDER_EPOCH\"; // Specified salt must be greater than or equal to existing orderEpoch.\n\n /// fillOrKillOrder errors ///\n string constant COMPLETE_FILL_FAILED = \"COMPLETE_FILL_FAILED\"; // Desired takerAssetFillAmount could not be completely filled. \n\n /// matchOrders errors ///\n string constant NEGATIVE_SPREAD_REQUIRED = \"NEGATIVE_SPREAD_REQUIRED\"; // Matched orders must have a negative spread.\n\n /// Transaction errors ///\n string constant REENTRANCY_ILLEGAL = \"REENTRANCY_ILLEGAL\"; // Recursive reentrancy is not allowed. \n string constant INVALID_TX_HASH = \"INVALID_TX_HASH\"; // Transaction has already been executed. \n string constant INVALID_TX_SIGNATURE = \"INVALID_TX_SIGNATURE\"; // Signature validation failed. \n string constant FAILED_EXECUTION = \"FAILED_EXECUTION\"; // Transaction execution failed. \n \n /// registerAssetProxy errors ///\n string constant ASSET_PROXY_ALREADY_EXISTS = \"ASSET_PROXY_ALREADY_EXISTS\"; // AssetProxy with same id already exists.\n\n /// dispatchTransferFrom errors ///\n string constant ASSET_PROXY_DOES_NOT_EXIST = \"ASSET_PROXY_DOES_NOT_EXIST\"; // No assetProxy registered at given id.\n string constant TRANSFER_FAILED = \"TRANSFER_FAILED\"; // Asset transfer unsuccesful.\n\n /// Length validation errors ///\n string constant LENGTH_GREATER_THAN_0_REQUIRED = \"LENGTH_GREATER_THAN_0_REQUIRED\"; // Byte array must have a length greater than 0.\n string constant LENGTH_GREATER_THAN_3_REQUIRED = \"LENGTH_GREATER_THAN_3_REQUIRED\"; // Byte array must have a length greater than 3.\n string constant LENGTH_0_REQUIRED = \"LENGTH_0_REQUIRED\"; // Byte array must have a length of 0.\n string constant LENGTH_65_REQUIRED = \"LENGTH_65_REQUIRED\"; // Byte array must have a length of 65.\n}\n", + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibFillResults is\n SafeMath\n{\n struct FillResults {\n uint256 makerAssetFilledAmount; // Total amount of makerAsset(s) filled.\n uint256 takerAssetFilledAmount; // Total amount of takerAsset(s) filled.\n uint256 makerFeePaid; // Total amount of ZRX paid by maker(s) to feeRecipient(s).\n uint256 takerFeePaid; // Total amount of ZRX paid by taker to feeRecipients(s).\n }\n\n struct MatchedFillResults {\n FillResults left; // Amounts filled and fees paid of left order.\n FillResults right; // Amounts filled and fees paid of right order.\n uint256 leftMakerAssetSpreadAmount; // Spread between price of left and right order, denominated in the left order's makerAsset, paid to taker.\n }\n\n /// @dev Adds properties of both FillResults instances.\n /// Modifies the first FillResults instance specified.\n /// @param totalFillResults Fill results instance that will be added onto.\n /// @param singleFillResults Fill results instance that will be added to totalFillResults.\n function addFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)\n internal\n pure\n {\n totalFillResults.makerAssetFilledAmount = safeAdd(totalFillResults.makerAssetFilledAmount, singleFillResults.makerAssetFilledAmount);\n totalFillResults.takerAssetFilledAmount = safeAdd(totalFillResults.takerAssetFilledAmount, singleFillResults.takerAssetFilledAmount);\n totalFillResults.makerFeePaid = safeAdd(totalFillResults.makerFeePaid, singleFillResults.makerFeePaid);\n totalFillResults.takerFeePaid = safeAdd(totalFillResults.takerFeePaid, singleFillResults.takerFeePaid);\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibMath.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibMath is\n SafeMath\n{\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function safeGetPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorFloor(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function safeGetPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorCeil(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function getPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function getPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // The absolute rounding error is the difference between the rounded\n // value and the ideal value. The relative rounding error is the\n // absolute rounding error divided by the absolute value of the\n // ideal value. This is undefined when the ideal value is zero.\n //\n // The ideal value is `numerator * target / denominator`.\n // Let's call `numerator * target % denominator` the remainder.\n // The absolute error is `remainder / denominator`.\n //\n // When the ideal value is zero, we require the absolute error to\n // be zero. Fortunately, this is always the case. The ideal value is\n // zero iff `numerator == 0` and/or `target == 0`. In this case the\n // remainder and absolute error are also zero. \n if (target == 0 || numerator == 0) {\n return false;\n }\n \n // Otherwise, we want the relative rounding error to be strictly\n // less than 0.1%.\n // The relative error is `remainder / (numerator * target)`.\n // We want the relative error less than 1 / 1000:\n // remainder / (numerator * denominator) < 1 / 1000\n // or equivalently:\n // 1000 * remainder < numerator * target\n // so we have a rounding error iff:\n // 1000 * remainder >= numerator * target\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding up.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // See the comments in `isRoundingError`.\n if (target == 0 || numerator == 0) {\n // When either is zero, the ideal value and rounded value are zero\n // and there is no rounding error. (Although the relative error\n // is undefined.)\n return false;\n }\n // Compute remainder as before\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n remainder = safeSub(denominator, remainder) % denominator;\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibOrder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./LibEIP712.sol\";\n\n\ncontract LibOrder is\n LibEIP712\n{\n // Hash for the EIP712 Order Schema\n bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"Order(\",\n \"address makerAddress,\",\n \"address takerAddress,\",\n \"address feeRecipientAddress,\",\n \"address senderAddress,\",\n \"uint256 makerAssetAmount,\",\n \"uint256 takerAssetAmount,\",\n \"uint256 makerFee,\",\n \"uint256 takerFee,\",\n \"uint256 expirationTimeSeconds,\",\n \"uint256 salt,\",\n \"bytes makerAssetData,\",\n \"bytes takerAssetData\",\n \")\"\n ));\n\n // A valid order remains fillable until it is expired, fully filled, or cancelled.\n // An order's state is unaffected by external factors, like account balances.\n enum OrderStatus {\n INVALID, // Default value\n INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount\n INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount\n FILLABLE, // Order is fillable\n EXPIRED, // Order has already expired\n FULLY_FILLED, // Order is fully filled\n CANCELLED // Order has been cancelled\n }\n\n // solhint-disable max-line-length\n struct Order {\n address makerAddress; // Address that created the order. \n address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order. \n address feeRecipientAddress; // Address that will recieve fees when order is filled. \n address senderAddress; // Address that is allowed to call Exchange contract methods that affect this order. If set to 0, any address is allowed to call these methods.\n uint256 makerAssetAmount; // Amount of makerAsset being offered by maker. Must be greater than 0. \n uint256 takerAssetAmount; // Amount of takerAsset being bid on by maker. Must be greater than 0. \n uint256 makerFee; // Amount of ZRX paid to feeRecipient by maker when order is filled. If set to 0, no transfer of ZRX from maker to feeRecipient will be attempted.\n uint256 takerFee; // Amount of ZRX paid to feeRecipient by taker when order is filled. If set to 0, no transfer of ZRX from taker to feeRecipient will be attempted.\n uint256 expirationTimeSeconds; // Timestamp in seconds at which order expires. \n uint256 salt; // Arbitrary number to facilitate uniqueness of the order's hash. \n bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.\n bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.\n }\n // solhint-enable max-line-length\n\n struct OrderInfo {\n uint8 orderStatus; // Status that describes order's validity and fillability.\n bytes32 orderHash; // EIP712 hash of the order (see LibOrder.getOrderHash).\n uint256 orderTakerAssetFilledAmount; // Amount of order that has already been filled.\n }\n\n /// @dev Calculates Keccak-256 hash of the order.\n /// @param order The order structure.\n /// @return Keccak-256 EIP712 hash of the order.\n function getOrderHash(Order memory order)\n internal\n view\n returns (bytes32 orderHash)\n {\n orderHash = hashEIP712Message(hashOrder(order));\n return orderHash;\n }\n\n /// @dev Calculates EIP712 hash of the order.\n /// @param order The order structure.\n /// @return EIP712 hash of the order.\n function hashOrder(Order memory order)\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ORDER_SCHEMA_HASH;\n bytes32 makerAssetDataHash = keccak256(order.makerAssetData);\n bytes32 takerAssetDataHash = keccak256(order.takerAssetData);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ORDER_SCHEMA_HASH,\n // bytes32(order.makerAddress),\n // bytes32(order.takerAddress),\n // bytes32(order.feeRecipientAddress),\n // bytes32(order.senderAddress),\n // order.makerAssetAmount,\n // order.takerAssetAmount,\n // order.makerFee,\n // order.takerFee,\n // order.expirationTimeSeconds,\n // order.salt,\n // keccak256(order.makerAssetData),\n // keccak256(order.takerAssetData)\n // ));\n\n assembly {\n // Calculate memory addresses that will be swapped out before hashing\n let pos1 := sub(order, 32)\n let pos2 := add(order, 320)\n let pos3 := add(order, 352)\n\n // Backup\n let temp1 := mload(pos1)\n let temp2 := mload(pos2)\n let temp3 := mload(pos3)\n \n // Hash in place\n mstore(pos1, schemaHash)\n mstore(pos2, makerAssetDataHash)\n mstore(pos3, takerAssetDataHash)\n result := keccak256(pos1, 416)\n \n // Restore\n mstore(pos1, temp1)\n mstore(pos2, temp2)\n mstore(pos3, temp3)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssetProxyDispatcher.sol\";\n\n\ncontract MAssetProxyDispatcher is\n IAssetProxyDispatcher\n{\n // Logs registration of new asset proxy\n event AssetProxyRegistered(\n bytes4 id, // Id of new registered AssetProxy.\n address assetProxy // Address of new registered AssetProxy.\n );\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IExchangeCore.sol\";\n\n\ncontract MExchangeCore is\n IExchangeCore\n{\n // Fill event is emitted whenever an order is filled.\n event Fill(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that received fees.\n address takerAddress, // Address that filled the order.\n address senderAddress, // Address that called the Exchange contract (msg.sender).\n uint256 makerAssetFilledAmount, // Amount of makerAsset sold by maker and bought by taker. \n uint256 takerAssetFilledAmount, // Amount of takerAsset sold by taker and bought by maker.\n uint256 makerFeePaid, // Amount of ZRX paid to feeRecipient by maker.\n uint256 takerFeePaid, // Amount of ZRX paid to feeRecipient by taker.\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // Cancel event is emitted whenever an individual order is cancelled.\n event Cancel(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that would have recieved fees if order was filled. \n address senderAddress, // Address that called the Exchange contract (msg.sender).\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // CancelUpTo event is emitted whenever `cancelOrdersUpTo` is executed succesfully.\n event CancelUpTo(\n address indexed makerAddress, // Orders cancelled must have been created by this address.\n address indexed senderAddress, // Orders cancelled must have a `senderAddress` equal to this address.\n uint256 orderEpoch // Orders with specified makerAddress and senderAddress with a salt less than this value are considered cancelled.\n );\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrderInternal(LibOrder.Order memory order)\n internal;\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function updateFilledState(\n LibOrder.Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n LibFillResults.FillResults memory fillResults\n )\n internal;\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n LibOrder.Order memory order,\n bytes32 orderHash\n )\n internal;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo Status, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view;\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo\n )\n internal\n view;\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n LibOrder.Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.FillResults memory fillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IMatchOrders.sol\";\n\n\ncontract MMatchOrders is\n IMatchOrders\n{\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure;\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/ISignatureValidator.sol\";\n\n\ncontract MSignatureValidator is\n ISignatureValidator\n{\n event SignatureValidatorApproval(\n address indexed signerAddress, // Address that approves or disapproves a contract to verify signatures.\n address indexed validatorAddress, // Address of signature validator contract.\n bool approved // Approval or disapproval of validator contract.\n );\n\n // Allowed signature types.\n enum SignatureType {\n Illegal, // 0x00, default value\n Invalid, // 0x01\n EIP712, // 0x02\n EthSign, // 0x03\n Wallet, // 0x04\n Validator, // 0x05\n PreSigned, // 0x06\n NSignatureTypes // 0x07, number of signature types. Always leave at end.\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"../interfaces/ITransactions.sol\";\n\n\ncontract MTransactions is\n ITransactions\n{\n // Hash for the EIP712 ZeroEx Transaction Schema\n bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"ZeroExTransaction(\",\n \"uint256 salt,\",\n \"address signerAddress,\",\n \"bytes data\",\n \")\"\n ));\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result);\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address);\n}\n", + "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IWrapperFunctions.sol\";\n\n\ncontract MWrapperFunctions is \n IWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n}\n", + "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/MintableERC20Token.sol\";\n\n\ncontract DummyERC20Token is \n Ownable,\n MintableERC20Token\n{\n string public name;\n string public symbol;\n uint256 public decimals;\n uint256 public constant MAX_MINT_AMOUNT = 10000000000000000000000;\n\n constructor (\n string _name,\n string _symbol,\n uint256 _decimals,\n uint256 _totalSupply\n )\n public\n {\n name = _name;\n symbol = _symbol;\n decimals = _decimals;\n _totalSupply = _totalSupply;\n balances[msg.sender] = _totalSupply;\n }\n\n /// @dev Sets the balance of target address\n /// @param _target Address or which balance will be updated\n /// @param _value New balance of target address\n function setBalance(address _target, uint256 _value)\n external\n onlyOwner\n {\n uint256 currBalance = balances[_target];\n if (_value < currBalance) {\n _totalSupply = safeSub(_totalSupply, safeSub(currBalance, _value));\n } else {\n _totalSupply = safeAdd(_totalSupply, safeSub(_value, currBalance));\n }\n balances[_target] = _value;\n }\n\n /// @dev Mints new tokens for sender\n /// @param _value Amount of tokens to mint\n function mint(uint256 _value)\n external\n {\n require(\n _value <= MAX_MINT_AMOUNT,\n \"VALUE_TOO_LARGE\"\n );\n\n _mint(msg.sender, _value);\n }\n}\n", + "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../tokens/ERC721Token/MintableERC721Token.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract DummyERC721Token is\n Ownable,\n MintableERC721Token\n{\n string public name;\n string public symbol;\n\n constructor (\n string _name,\n string _symbol\n )\n public\n {\n name = _name;\n symbol = _symbol;\n }\n\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function mint(address _to, uint256 _tokenId)\n external\n {\n _mint(_to, _tokenId);\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist or not called by contract owner\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function burn(address _owner, uint256 _tokenId)\n external\n onlyOwner\n {\n _burn(_owner, _tokenId);\n }\n}\n", + "2.0.0/tokens/ERC20Token/ERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC20Token.sol\";\n\n\ncontract ERC20Token is\n IERC20Token\n{\n mapping (address => uint256) internal balances;\n mapping (address => mapping (address => uint256)) internal allowed;\n\n uint256 internal _totalSupply;\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool)\n {\n require(\n balances[msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[msg.sender] -= _value;\n balances[_to] += _value;\n\n emit Transfer(\n msg.sender,\n _to,\n _value\n );\n\n return true;\n }\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowed[_from][msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n allowed[_from][msg.sender] -= _value;\n \n emit Transfer(\n _from,\n _to,\n _value\n );\n \n return true;\n }\n\n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool)\n {\n allowed[msg.sender][_spender] = _value;\n emit Approval(\n msg.sender,\n _spender,\n _value\n );\n return true;\n }\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256)\n {\n return _totalSupply;\n }\n\n /// @dev Query the balance of owner\n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n return balances[_owner];\n }\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256)\n {\n return allowed[_owner][_spender];\n }\n}\n", + "2.0.0/tokens/ERC20Token/IERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n \n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n \n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", + "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/SafeMath/SafeMath.sol\";\nimport \"./UnlimitedAllowanceERC20Token.sol\";\n\n\ncontract MintableERC20Token is \n SafeMath,\n UnlimitedAllowanceERC20Token\n{\n /// @dev Mints new tokens\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _value Amount of tokens to mint\n function _mint(address _to, uint256 _value)\n internal\n {\n balances[_to] = safeAdd(_value, balances[_to]);\n _totalSupply = safeAdd(_totalSupply, _value);\n\n emit Transfer(\n address(0),\n _to,\n _value\n );\n }\n\n /// @dev Mints new tokens\n /// @param _owner Owner of tokens that will be burned\n /// @param _value Amount of tokens to burn\n function _burn(address _owner, uint256 _value)\n internal\n {\n balances[_owner] = safeSub(balances[_owner], _value);\n _totalSupply = safeSub(_totalSupply, _value);\n\n emit Transfer(\n _owner,\n address(0),\n _value\n );\n }\n}\n", + "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/ERC20Token.sol\";\n\n\ncontract UnlimitedAllowanceERC20Token is\n ERC20Token\n{\n uint256 constant internal MAX_UINT = 2**256 - 1;\n\n /// @dev ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited allowance. See https://github.com/ethereum/EIPs/issues/717\n /// @param _from Address to transfer from.\n /// @param _to Address to transfer to.\n /// @param _value Amount to transfer.\n /// @return Success of transfer.\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n uint256 allowance = allowed[_from][msg.sender];\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowance >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n if (allowance < MAX_UINT) {\n allowed[_from][msg.sender] -= _value;\n }\n\n emit Transfer(\n _from,\n _to,\n _value\n );\n\n return true;\n }\n}\n", + "2.0.0/tokens/ERC721Token/ERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC721Token.sol\";\nimport \"./IERC721Receiver.sol\";\nimport \"../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract ERC721Token is\n IERC721Token,\n SafeMath\n{\n // Function selector for ERC721Receiver.onERC721Received\n // 0x150b7a02\n bytes4 constant internal ERC721_RECEIVED = bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"));\n\n // Mapping of tokenId => owner\n mapping (uint256 => address) internal owners;\n\n // Mapping of tokenId => approved address\n mapping (uint256 => address) internal approvals;\n\n // Mapping of owner => number of tokens owned\n mapping (address => uint256) internal balances;\n\n // Mapping of owner => operator => approved\n mapping (address => mapping (address => bool)) internal operatorApprovals;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n _data\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n \"\"\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external\n {\n address owner = ownerOf(_tokenId);\n require(\n msg.sender == owner || isApprovedForAll(owner, msg.sender),\n \"ERC721_INVALID_SENDER\"\n );\n\n approvals[_tokenId] = _approved;\n emit Approval(\n owner,\n _approved,\n _tokenId\n );\n }\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external\n {\n operatorApprovals[msg.sender][_operator] = _approved;\n emit ApprovalForAll(\n msg.sender,\n _operator,\n _approved\n );\n }\n \n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return balances[_owner];\n }\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = ownerOf(_tokenId);\n require(\n _from == owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n address spender = msg.sender;\n address approvedAddress = getApproved(_tokenId);\n require(\n spender == owner ||\n isApprovedForAll(owner, spender) ||\n approvedAddress == spender,\n \"ERC721_INVALID_SPENDER\"\n );\n\n if (approvedAddress != address(0)) {\n approvals[_tokenId] = address(0);\n }\n\n owners[_tokenId] = _to;\n balances[_from] = safeSub(balances[_from], 1);\n balances[_to] = safeAdd(balances[_to], 1);\n \n emit Transfer(\n _from,\n _to,\n _tokenId\n );\n }\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address)\n {\n address owner = owners[_tokenId];\n require(\n owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return owner;\n }\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId)\n public\n view\n returns (address)\n {\n return approvals[_tokenId];\n }\n\n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool)\n {\n return operatorApprovals[_owner][_operator];\n }\n}\n", + "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Receiver {\n\n /// @notice Handle the receipt of an NFT\n /// @dev The ERC721 smart contract calls this function on the recipient\n /// after a `transfer`. This function MAY throw to revert and reject the\n /// transfer. Return of other than the magic value MUST result in the\n /// transaction being reverted.\n /// Note: the contract address is always the message sender.\n /// @param _operator The address which called `safeTransferFrom` function\n /// @param _from The address which previously owned the token\n /// @param _tokenId The NFT identifier which is being transferred\n /// @param _data Additional data with no specified format\n /// @return `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`\n /// unless throwing\n function onERC721Received(\n address _operator,\n address _from,\n uint256 _tokenId,\n bytes _data\n )\n external\n returns (bytes4);\n}\n", + "2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Token {\n\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(\n address indexed _owner,\n address indexed _approved,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(\n address indexed _owner,\n address indexed _operator,\n bool _approved\n );\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// perator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external;\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public;\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address);\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) \n public\n view\n returns (address);\n \n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool);\n}\n", + "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./ERC721Token.sol\";\n\n\ncontract MintableERC721Token is\n ERC721Token\n{\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function _mint(address _to, uint256 _tokenId)\n internal\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == address(0),\n \"ERC721_OWNER_ALREADY_EXISTS\"\n );\n\n owners[_tokenId] = _to;\n balances[_to] = safeAdd(balances[_to], 1);\n\n emit Transfer(\n address(0),\n _to,\n _tokenId\n );\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function _burn(address _owner, uint256 _tokenId)\n internal\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == _owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n owners[_tokenId] = address(0);\n balances[_owner] = safeSub(balances[_owner], 1);\n\n emit Transfer(\n _owner,\n address(0),\n _tokenId\n );\n }\n}\n", + "2.0.0/tokens/EtherToken/IEtherToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/IERC20Token.sol\";\n\n\ncontract IEtherToken is\n IERC20Token\n{\n function deposit()\n public\n payable;\n \n function withdraw(uint256 amount)\n public;\n}\n", + "2.0.0/utils/LibBytes/LibBytes.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\nlibrary LibBytes {\n\n using LibBytes for bytes;\n\n /// @dev Gets the memory address for a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of byte array. This\n /// points to the header of the byte array which contains\n /// the length.\n function rawAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := input\n }\n return memoryAddress;\n }\n \n /// @dev Gets the memory address for the contents of a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of the contents of the byte array.\n function contentAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := add(input, 32)\n }\n return memoryAddress;\n }\n\n /// @dev Copies `length` bytes from memory location `source` to `dest`.\n /// @param dest memory address to copy bytes to.\n /// @param source memory address to copy bytes from.\n /// @param length number of bytes to copy.\n function memCopy(\n uint256 dest,\n uint256 source,\n uint256 length\n )\n internal\n pure\n {\n if (length < 32) {\n // Handle a partial word by reading destination and masking\n // off the bits we are interested in.\n // This correctly handles overlap, zero lengths and source == dest\n assembly {\n let mask := sub(exp(256, sub(32, length)), 1)\n let s := and(mload(source), not(mask))\n let d := and(mload(dest), mask)\n mstore(dest, or(s, d))\n }\n } else {\n // Skip the O(length) loop when source == dest.\n if (source == dest) {\n return;\n }\n\n // For large copies we copy whole words at a time. The final\n // word is aligned to the end of the range (instead of after the\n // previous) to handle partial words. So a copy will look like this:\n //\n // ####\n // ####\n // ####\n // ####\n //\n // We handle overlap in the source and destination range by\n // changing the copying direction. This prevents us from\n // overwriting parts of source that we still need to copy.\n //\n // This correctly handles source == dest\n //\n if (source > dest) {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because it\n // is easier to compare with in the loop, and these\n // are also the addresses we need for copying the\n // last bytes.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the last 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the last bytes in\n // source already due to overlap.\n let last := mload(sEnd)\n\n // Copy whole words front to back\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} lt(source, sEnd) {} {\n mstore(dest, mload(source))\n source := add(source, 32)\n dest := add(dest, 32)\n }\n \n // Write the last 32 bytes\n mstore(dEnd, last)\n }\n } else {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because those\n // are the starting points when copying a word at the end.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the first 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the first bytes in\n // source already due to overlap.\n let first := mload(source)\n\n // Copy whole words back to front\n // We use a signed comparisson here to allow dEnd to become\n // negative (happens when source and dest < 32). Valid\n // addresses in local memory will never be larger than\n // 2**255, so they can be safely re-interpreted as signed.\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} slt(dest, dEnd) {} {\n mstore(dEnd, mload(sEnd))\n sEnd := sub(sEnd, 32)\n dEnd := sub(dEnd, 32)\n }\n \n // Write the first 32 bytes\n mstore(dest, first)\n }\n }\n }\n }\n\n /// @dev Returns a slices from a byte array.\n /// @param b The byte array to take a slice from.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n function slice(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure and copy contents\n result = new bytes(to - from);\n memCopy(\n result.contentAddress(),\n b.contentAddress() + from,\n result.length\n );\n return result;\n }\n \n /// @dev Returns a slice from a byte array without preserving the input.\n /// @param b The byte array to take a slice from. Will be destroyed in the process.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n /// @dev When `from == 0`, the original array will match the slice. In other cases its state will be corrupted.\n function sliceDestructive(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure around [from, to) in-place.\n assembly {\n result := add(b, from)\n mstore(result, sub(to, from))\n }\n return result;\n }\n\n /// @dev Pops the last byte off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The byte that was popped off.\n function popLastByte(bytes memory b)\n internal\n pure\n returns (bytes1 result)\n {\n require(\n b.length > 0,\n \"GREATER_THAN_ZERO_LENGTH_REQUIRED\"\n );\n\n // Store last byte.\n result = b[b.length - 1];\n\n assembly {\n // Decrement length of byte array.\n let newLen := sub(mload(b), 1)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Pops the last 20 bytes off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The 20 byte address that was popped off.\n function popLast20Bytes(bytes memory b)\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= 20,\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Store last 20 bytes.\n result = readAddress(b, b.length - 20);\n\n assembly {\n // Subtract 20 from byte array length.\n let newLen := sub(mload(b), 20)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Tests equality of two byte arrays.\n /// @param lhs First byte array to compare.\n /// @param rhs Second byte array to compare.\n /// @return True if arrays are the same. False otherwise.\n function equals(\n bytes memory lhs,\n bytes memory rhs\n )\n internal\n pure\n returns (bool equal)\n {\n // Keccak gas cost is 30 + numWords * 6. This is a cheap way to compare.\n // We early exit on unequal lengths, but keccak would also correctly\n // handle this.\n return lhs.length == rhs.length && keccak256(lhs) == keccak256(rhs);\n }\n\n /// @dev Reads an address from a position in a byte array.\n /// @param b Byte array containing an address.\n /// @param index Index in byte array of address.\n /// @return address from byte array.\n function readAddress(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Read address from array memory\n assembly {\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 20-byte mask to obtain address\n result := and(mload(add(b, index)), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n return result;\n }\n\n /// @dev Writes an address into a specific position in a byte array.\n /// @param b Byte array to insert address into.\n /// @param index Index in byte array of address.\n /// @param input Address to put into byte array.\n function writeAddress(\n bytes memory b,\n uint256 index,\n address input\n )\n internal\n pure\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Store address into array memory\n assembly {\n // The address occupies 20 bytes and mstore stores 32 bytes.\n // First fetch the 32-byte word where we'll be storing the address, then\n // apply a mask so we have only the bytes in the word that the address will not occupy.\n // Then combine these bytes with the address and store the 32 bytes back to memory with mstore.\n\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 12-byte mask to obtain extra bytes occupying word of memory where we'll store the address\n let neighbors := and(\n mload(add(b, index)),\n 0xffffffffffffffffffffffff0000000000000000000000000000000000000000\n )\n \n // Make sure input address is clean.\n // (Solidity does not guarantee this)\n input := and(input, 0xffffffffffffffffffffffffffffffffffffffff)\n\n // Store the neighbors and address into memory\n mstore(add(b, index), xor(input, neighbors))\n }\n }\n\n /// @dev Reads a bytes32 value from a position in a byte array.\n /// @param b Byte array containing a bytes32 value.\n /// @param index Index in byte array of bytes32 value.\n /// @return bytes32 value from byte array.\n function readBytes32(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes32 result)\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n result := mload(add(b, index))\n }\n return result;\n }\n\n /// @dev Writes a bytes32 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes32 to put into byte array.\n function writeBytes32(\n bytes memory b,\n uint256 index,\n bytes32 input\n )\n internal\n pure\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n mstore(add(b, index), input)\n }\n }\n\n /// @dev Reads a uint256 value from a position in a byte array.\n /// @param b Byte array containing a uint256 value.\n /// @param index Index in byte array of uint256 value.\n /// @return uint256 value from byte array.\n function readUint256(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (uint256 result)\n {\n result = uint256(readBytes32(b, index));\n return result;\n }\n\n /// @dev Writes a uint256 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input uint256 to put into byte array.\n function writeUint256(\n bytes memory b,\n uint256 index,\n uint256 input\n )\n internal\n pure\n {\n writeBytes32(b, index, bytes32(input));\n }\n\n /// @dev Reads an unpadded bytes4 value from a position in a byte array.\n /// @param b Byte array containing a bytes4 value.\n /// @param index Index in byte array of bytes4 value.\n /// @return bytes4 value from byte array.\n function readBytes4(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes4 result)\n {\n require(\n b.length >= index + 4,\n \"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 32 byte length field\n index += 32;\n\n // Read the bytes4 from array memory\n assembly {\n result := mload(add(b, index))\n // Solidity does not require us to clean the trailing bytes.\n // We do it anyway\n result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)\n }\n return result;\n }\n\n /// @dev Reads nested bytes from a specific position.\n /// @dev NOTE: the returned value overlaps with the input value.\n /// Both should be treated as immutable.\n /// @param b Byte array containing nested bytes.\n /// @param index Index of nested bytes.\n /// @return result Nested bytes.\n function readBytesWithLength(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes memory result)\n {\n // Read length of nested bytes\n uint256 nestedBytesLength = readUint256(b, index);\n index += 32;\n\n // Assert length of is valid, given\n // length of nested bytes\n require(\n b.length >= index + nestedBytesLength,\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n \n // Return a pointer to the byte array as it exists inside `b`\n assembly {\n result := add(b, index)\n }\n return result;\n }\n\n /// @dev Inserts bytes at a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes to insert.\n function writeBytesWithLength(\n bytes memory b,\n uint256 index,\n bytes memory input\n )\n internal\n pure\n {\n // Assert length of is valid, given\n // length of input\n require(\n b.length >= index + 32 + input.length, // 32 bytes to store length\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n\n // Copy into \n memCopy(\n b.contentAddress() + index,\n input.rawAddress(), // includes length of \n input.length + 32 // +32 bytes to store length\n );\n }\n\n /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length.\n /// @param dest Byte array that will be overwritten with source bytes.\n /// @param source Byte array to copy onto dest bytes.\n function deepCopyBytes(\n bytes memory dest,\n bytes memory source\n )\n internal\n pure\n {\n uint256 sourceLen = source.length;\n // Dest length must be >= source length, or some bytes would not be copied.\n require(\n dest.length >= sourceLen,\n \"GREATER_OR_EQUAL_TO_SOURCE_BYTES_LENGTH_REQUIRED\"\n );\n memCopy(\n dest.contentAddress(),\n source.contentAddress(),\n sourceLen\n );\n }\n}\n", + "2.0.0/utils/Ownable/IOwnable.sol": "pragma solidity 0.4.24;\n\n\ncontract IOwnable {\n\n function transferOwnership(address newOwner)\n public;\n}\n", + "2.0.0/utils/Ownable/Ownable.sol": "pragma solidity 0.4.24;\n\nimport \"./IOwnable.sol\";\n\n\ncontract Ownable is\n IOwnable\n{\n address public owner;\n\n constructor ()\n public\n {\n owner = msg.sender;\n }\n\n modifier onlyOwner() {\n require(\n msg.sender == owner,\n \"ONLY_CONTRACT_OWNER\"\n );\n _;\n }\n\n function transferOwnership(address newOwner)\n public\n onlyOwner\n {\n if (newOwner != address(0)) {\n owner = newOwner;\n }\n }\n}\n", + "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ReentrancyGuard {\n\n // Locked state of mutex\n bool private locked = false;\n\n /// @dev Functions with this modifer cannot be reentered. The mutex will be locked\n /// before function execution and unlocked after.\n modifier nonReentrant() {\n // Ensure mutex is unlocked\n require(\n !locked,\n \"REENTRANCY_ILLEGAL\"\n );\n\n // Lock mutex before function call\n locked = true;\n\n // Perform function call\n _;\n\n // Unlock mutex after function call\n locked = false;\n }\n}\n", + "2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n\n function safeMul(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(\n c / a == b,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function safeDiv(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a / b;\n return c;\n }\n\n function safeSub(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n require(\n b <= a,\n \"UINT256_UNDERFLOW\"\n );\n return a - b;\n }\n\n function safeAdd(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a + b;\n require(\n c >= a,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function max64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n\n function max256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n}\n" + }, + "sourceTreeHashHex": "0xee0dcd8415ba0737890f13994332b71d7fbed7c79041929a551c334c497db064", + "compiler": { + "name": "solc", + "version": "soljson-v0.4.24+commit.e67f0147.js", + "settings": { + "optimizer": { + "enabled": true, + "runs": 1000000 + }, + "outputSelection": { + "*": { + "*": [ + "abi", + "evm.bytecode.object", + "evm.bytecode.sourceMap", + "evm.deployedBytecode.object", + "evm.deployedBytecode.sourceMap" + ] + } + } + } + }, + "networks": {} +} \ No newline at end of file diff --git a/packages/migrations/artifacts/2.0.0-testnet/ERC721Proxy.json b/packages/migrations/artifacts/2.0.0-testnet/ERC721Proxy.json new file mode 100644 index 000000000..fa4a7cae9 --- /dev/null +++ b/packages/migrations/artifacts/2.0.0-testnet/ERC721Proxy.json @@ -0,0 +1,508 @@ +{ + "schemaVersion": "2.0.0", + "contractName": "ERC721Proxy", + "compilerOutput": { + "abi": [ + { + "constant": false, + "inputs": [ + { + "name": "target", + "type": "address" + } + ], + "name": "addAuthorizedAddress", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "", + "type": "uint256" + } + ], + "name": "authorities", + "outputs": [ + { + "name": "", + "type": "address" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "target", + "type": "address" + } + ], + "name": "removeAuthorizedAddress", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "owner", + "outputs": [ + { + "name": "", + "type": "address" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "target", + "type": "address" + }, + { + "name": "index", + "type": "uint256" + } + ], + "name": "removeAuthorizedAddressAtIndex", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "getProxyId", + "outputs": [ + { + "name": "", + "type": "bytes4" + } + ], + "payable": false, + "stateMutability": "pure", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "", + "type": "address" + } + ], + "name": "authorized", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "getAuthorizedAddresses", + "outputs": [ + { + "name": "", + "type": "address[]" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "newOwner", + "type": "address" + } + ], + "name": "transferOwnership", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "payable": false, + "stateMutability": "nonpayable", + "type": "fallback" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "target", + "type": "address" + }, + { + "indexed": true, + "name": "caller", + "type": "address" + } + ], + "name": "AuthorizedAddressAdded", + "type": "event" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "target", + "type": "address" + }, + { + "indexed": true, + "name": "caller", + "type": "address" + } + ], + "name": "AuthorizedAddressRemoved", + "type": "event" + } + ], + "evm": { + "bytecode": { + "linkReferences": {}, + "object": 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0x494E4445585F4F55545F4F465F424F554E445300000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x2 DUP3 DUP2 SLOAD DUP2 LT ISZERO ISZERO PUSH2 0xBA8 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ PUSH2 0xC36 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1B PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x415554484F52495A45445F414444524553535F4D49534D415443480000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE PUSH1 0x2 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 ADD SWAP1 DUP2 LT PUSH2 0xCB1 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH1 0x2 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND SWAP2 DUP4 SWAP1 DUP2 LT PUSH2 0xCE4 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP3 SWAP1 SWAP3 AND SWAP2 SWAP1 SWAP2 OR SWAP1 SSTORE PUSH1 0x2 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 PUSH2 0xD63 SWAP1 DUP3 PUSH2 0xF4B JUMP JUMPDEST POP PUSH1 0x40 MLOAD CALLER SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND SWAP1 PUSH32 0x1F32C1B084E2DE0713B8FB16BD46BB9DF710A3DBEAE2F3CA93AF46E016DCC6B0 SWAP1 PUSH1 0x0 SWAP1 LOG3 POP POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x455243373231546F6B656E28616464726573732C75696E743235362900000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x1C ADD SWAP1 KECCAK256 JUMPDEST SWAP1 JUMP JUMPDEST PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x2 DUP1 SLOAD DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP1 SLOAD DUP1 ISZERO PUSH2 0xE5B JUMPI PUSH1 0x20 MUL DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0xE30 JUMPI JUMPDEST POP POP POP POP POP SWAP1 POP SWAP1 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xEEB JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0xF48 JUMPI PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND OR SWAP1 SSTORE JUMPDEST POP JUMP JUMPDEST DUP2 SLOAD DUP2 DUP4 SSTORE DUP2 DUP2 GT ISZERO PUSH2 0xF6F JUMPI PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x20 SWAP1 KECCAK256 PUSH2 0xF6F SWAP2 DUP2 ADD SWAP1 DUP4 ADD PUSH2 0xF74 JUMP JUMPDEST POP POP POP JUMP JUMPDEST PUSH2 0xDDE SWAP2 SWAP1 JUMPDEST DUP1 DUP3 GT ISZERO PUSH2 0xF8E JUMPI PUSH1 0x0 DUP2 SSTORE PUSH1 0x1 ADD PUSH2 0xF7A JUMP JUMPDEST POP SWAP1 JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 MLOAD CALLDATACOPY PUSH27 0xE1CA7B3F3D032510EA8CBA18DC3E6CE467F660AB6B18EDEBEB7804 0x49 0xc6 STOP 0x29 ", + "sourceMap": "641:7861:15:-;;;162:5:63;:18;;-1:-1:-1;;;;;;162:18:63;170:10;162:18;;;641:7861:15;;;;;;" + }, + "deployedBytecode": { + "linkReferences": {}, + "object": 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+ "opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0x98 JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x42F1181E DUP2 EQ PUSH2 0x2BC JUMPI DUP1 PUSH4 0x494503D4 EQ PUSH2 0x2EC JUMPI DUP1 PUSH4 0x70712939 EQ PUSH2 0x32D JUMPI DUP1 PUSH4 0x8DA5CB5B EQ PUSH2 0x35B JUMPI DUP1 PUSH4 0x9AD26744 EQ PUSH2 0x370 JUMPI DUP1 PUSH4 0xAE25532E EQ PUSH2 0x3A1 JUMPI DUP1 PUSH4 0xB9181611 EQ PUSH2 0x3EB JUMPI DUP1 PUSH4 0xD39DE6E9 EQ PUSH2 0x42D JUMPI DUP1 PUSH4 0xF2FDE38B EQ PUSH2 0x492 JUMPI JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xA4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD AND PUSH32 0xA85E59E400000000000000000000000000000000000000000000000000000000 DUP2 EQ ISZERO PUSH2 0x2B7 JUMPI PUSH1 0x40 DUP1 MLOAD CALLER DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP3 ADD MSTORE SWAP1 DUP2 KECCAK256 SLOAD ISZERO ISZERO 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PUSH1 0x64 PUSH1 0x0 DUP1 DUP6 GAS CALL DUP1 ISZERO PUSH2 0x246 JUMPI STOP JUMPDEST PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 PUSH1 0x0 MSTORE PUSH29 0x2000000000000000000000000000000000000000000000000000000000 PUSH1 0x20 MSTORE PUSH29 0xF5452414E534645525F4641494C454400000000000000000000000000 PUSH1 0x40 MSTORE PUSH1 0x0 PUSH1 0x60 MSTORE PUSH1 0x64 PUSH1 0x0 REVERT JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2C8 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2EA PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x4C0 JUMP JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2F8 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x304 PUSH1 0x4 CALLDATALOAD PUSH2 0x6AC JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x339 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2EA PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x6E1 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x367 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x304 PUSH2 0x9DA JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x37C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2EA PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x9F6 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3AD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x3B6 PUSH2 0xDAB JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3F7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x419 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0xDE1 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x439 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x442 PUSH2 0xDF6 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 DUP2 ADD SWAP2 MUL DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x47E JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x466 JUMP JUMPDEST POP POP POP POP SWAP1 POP ADD SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x49E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2EA PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0xE65 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x546 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x5DB JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x19 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x5441524745545F414C52454144595F415554484F52495A454400000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND DUP4 OR SWAP1 SSTORE PUSH1 0x2 DUP1 SLOAD SWAP3 DUP4 ADD DUP2 SSTORE DUP4 MSTORE PUSH32 0x405787FA12A823E0F2B7631CC41B3BA8828B3321CA811111FA75CD3AA3BB5ACE SWAP1 SWAP2 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND DUP5 OR SWAP1 SSTORE MLOAD CALLER SWAP3 SWAP2 PUSH32 0x3147867C59D17E8FA9D522465651D44AAE0A9E38F902F3475B97E58072F0ED4C SWAP2 LOG3 POP JUMP JUMPDEST PUSH1 0x2 DUP1 SLOAD DUP3 SWAP1 DUP2 LT PUSH2 0x6BA JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 POP DUP2 JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x768 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x7FE JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x5441524745545F4E4F545F415554484F52495A45440000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE JUMPDEST PUSH1 0x2 SLOAD DUP2 LT ISZERO PUSH2 0x993 JUMPI DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x2 DUP3 DUP2 SLOAD DUP2 LT ISZERO ISZERO PUSH2 0x87B JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO PUSH2 0x98B JUMPI PUSH1 0x2 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 ADD SWAP1 DUP2 LT PUSH2 0x8D3 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH1 0x2 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND SWAP2 DUP4 SWAP1 DUP2 LT PUSH2 0x906 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP3 SWAP1 SWAP3 AND SWAP2 SWAP1 SWAP2 OR SWAP1 SSTORE PUSH1 0x2 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 PUSH2 0x985 SWAP1 DUP3 PUSH2 0xF4B JUMP JUMPDEST POP PUSH2 0x993 JUMP JUMPDEST PUSH1 0x1 ADD PUSH2 0x84B JUMP JUMPDEST PUSH1 0x40 MLOAD CALLER SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND SWAP1 PUSH32 0x1F32C1B084E2DE0713B8FB16BD46BB9DF710A3DBEAE2F3CA93AF46E016DCC6B0 SWAP1 PUSH1 0x0 SWAP1 LOG3 POP POP JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xA7C JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO ISZERO PUSH2 0xB12 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x5441524745545F4E4F545F415554484F52495A45440000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x2 SLOAD DUP2 LT PUSH2 0xB82 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x494E4445585F4F55545F4F465F424F554E445300000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x2 DUP3 DUP2 SLOAD DUP2 LT ISZERO ISZERO PUSH2 0xBA8 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ PUSH2 0xC36 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1B PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x415554484F52495A45445F414444524553535F4D49534D415443480000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE PUSH1 0x2 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 ADD SWAP1 DUP2 LT PUSH2 0xCB1 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH1 0x2 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND SWAP2 DUP4 SWAP1 DUP2 LT PUSH2 0xCE4 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP3 SWAP1 SWAP3 AND SWAP2 SWAP1 SWAP2 OR SWAP1 SSTORE PUSH1 0x2 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 PUSH2 0xD63 SWAP1 DUP3 PUSH2 0xF4B JUMP JUMPDEST POP PUSH1 0x40 MLOAD CALLER SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND SWAP1 PUSH32 0x1F32C1B084E2DE0713B8FB16BD46BB9DF710A3DBEAE2F3CA93AF46E016DCC6B0 SWAP1 PUSH1 0x0 SWAP1 LOG3 POP POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x455243373231546F6B656E28616464726573732C75696E743235362900000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x1C ADD SWAP1 KECCAK256 JUMPDEST SWAP1 JUMP JUMPDEST PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x2 DUP1 SLOAD DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP1 SLOAD DUP1 ISZERO PUSH2 0xE5B JUMPI PUSH1 0x20 MUL DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0xE30 JUMPI JUMPDEST POP POP POP POP POP SWAP1 POP SWAP1 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xEEB JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0xF48 JUMPI PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND OR SWAP1 SSTORE JUMPDEST POP JUMP JUMPDEST DUP2 SLOAD DUP2 DUP4 SSTORE DUP2 DUP2 GT ISZERO PUSH2 0xF6F JUMPI PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x20 SWAP1 KECCAK256 PUSH2 0xF6F SWAP2 DUP2 ADD SWAP1 DUP4 ADD PUSH2 0xF74 JUMP JUMPDEST POP POP POP JUMP JUMPDEST PUSH2 0xDDE SWAP2 SWAP1 JUMPDEST DUP1 DUP3 GT ISZERO PUSH2 0xF8E JUMPI PUSH1 0x0 DUP2 SSTORE PUSH1 0x1 ADD PUSH2 0xF7A JUMP JUMPDEST POP SWAP1 JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 MLOAD CALLDATACOPY PUSH27 0xE1CA7B3F3D032510EA8CBA18DC3E6CE467F660AB6B18EDEBEB7804 0x49 0xc6 STOP 0x29 ", + "sourceMap": 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"2.0.0/protocol/AssetProxy/ERC20Proxy.sol": { + "id": 14 + }, + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": { + "id": 15 + }, + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": { + "id": 16 + }, + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": { + "id": 17 + }, + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": { + "id": 18 + }, + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": { + "id": 19 + }, + "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": { + "id": 20 + }, + "2.0.0/protocol/Exchange/Exchange.sol": { + "id": 21 + }, + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": { + "id": 22 + }, + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": { + "id": 23 + }, + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": { + "id": 24 + }, + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": { + "id": 25 + }, + "2.0.0/protocol/Exchange/MixinTransactions.sol": { + "id": 26 + }, + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": { + "id": 27 + }, + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": { + "id": 28 + }, + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": { + "id": 29 + }, + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": { + "id": 30 + }, + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": { + "id": 31 + }, + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": { + "id": 32 + }, + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": { + "id": 33 + }, + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": { + "id": 34 + }, + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": { + "id": 35 + }, + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": { + "id": 36 + }, + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": { + "id": 37 + }, + "2.0.0/protocol/Exchange/libs/LibConstants.sol": { + "id": 38 + }, + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": { + "id": 39 + }, + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": { + "id": 40 + }, + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": { + "id": 41 + }, + "2.0.0/protocol/Exchange/libs/LibMath.sol": { + "id": 42 + }, + "2.0.0/protocol/Exchange/libs/LibOrder.sol": { + "id": 43 + }, + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": { + "id": 44 + }, + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": { + "id": 45 + }, + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": { + "id": 46 + }, + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": { + "id": 47 + }, + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": { + "id": 48 + }, + "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": { + "id": 49 + }, + "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": { + "id": 50 + }, + "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": { + "id": 51 + }, + "2.0.0/tokens/ERC20Token/ERC20Token.sol": { + "id": 52 + }, + "2.0.0/tokens/ERC20Token/IERC20Token.sol": { + "id": 53 + }, + "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": { + "id": 54 + }, + "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": { + "id": 55 + }, + "2.0.0/tokens/ERC721Token/ERC721Token.sol": { + "id": 56 + }, + "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": { + "id": 57 + }, + "2.0.0/tokens/ERC721Token/IERC721Token.sol": { + "id": 58 + }, + "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": { + "id": 59 + }, + "2.0.0/tokens/EtherToken/IEtherToken.sol": { + "id": 60 + }, + "2.0.0/utils/LibBytes/LibBytes.sol": { + "id": 61 + }, + "2.0.0/utils/Ownable/IOwnable.sol": { + "id": 62 + }, + "2.0.0/utils/Ownable/Ownable.sol": { + "id": 63 + }, + "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": { + "id": 64 + }, + "2.0.0/utils/SafeMath/SafeMath.sol": { + "id": 65 + } + }, + "sourceCodes": { + "2.0.0/extensions/Forwarder/Forwarder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinWeth.sol\";\nimport \"./MixinForwarderCore.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinAssets.sol\";\nimport \"./MixinExchangeWrapper.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Forwarder is\n LibConstants,\n MixinWeth,\n MixinAssets,\n MixinExchangeWrapper,\n MixinForwarderCore\n{\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n LibConstants(\n _exchange,\n _zrxAssetData,\n _wethAssetData\n )\n MixinForwarderCore()\n {}\n}\n", + "2.0.0/extensions/Forwarder/MixinAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MAssets.sol\";\n\n\ncontract MixinAssets is\n Ownable,\n LibConstants,\n MAssets\n{\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256(\"transfer(address,uint256)\"));\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external\n onlyOwner\n {\n transferAssetToSender(assetData, amount);\n }\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n bytes4 proxyId = assetData.readBytes4(0);\n\n if (proxyId == ERC20_DATA_ID) {\n transferERC20Token(assetData, amount);\n } else if (proxyId == ERC721_DATA_ID) {\n transferERC721Token(assetData, amount);\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n }\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n address token = assetData.readAddress(16);\n\n // Transfer tokens.\n // We do a raw call so we can check the success separate\n // from the return data.\n bool success = token.call(abi.encodeWithSelector(\n ERC20_TRANSFER_SELECTOR,\n msg.sender,\n amount\n ));\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n \n // Check return data.\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // value that evaluates to true.\n assembly {\n if returndatasize {\n success := 0\n if eq(returndatasize, 32) {\n // First 64 bytes of memory are reserved scratch space\n returndatacopy(0, 0, 32)\n success := mload(0)\n }\n }\n }\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n }\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n require(\n amount == 1,\n \"INVALID_AMOUNT\"\n );\n // Decode asset data.\n address token = assetData.readAddress(16);\n uint256 tokenId = assetData.readUint256(36);\n\n // Perform transfer.\n IERC721Token(token).transferFrom(\n address(this),\n msg.sender,\n tokenId\n );\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"../../protocol/Exchange/libs/LibAbiEncoder.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinExchangeWrapper is\n LibAbiEncoder,\n LibFillResults,\n LibMath,\n LibConstants,\n MExchangeWrapper\n{\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n address exchange = address(EXCHANGE);\n\n // Call `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := call(\n gas, // forward all gas\n exchange, // call address of Exchange contract\n 0, // transfer 0 wei\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of WETH to sell\n uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of WETH\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount;\n if (makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n\n require(\n makerAssetFilledAmount >= makerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n // Do nothing if zrxBuyAmount == 0\n if (zrxBuyAmount == 0) {\n return totalFillResults;\n }\n\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n uint256 zrxPurchased = 0;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // All of these are ZRX/WETH, so we can drop the respective assetData from calldata.\n orders[i].makerAssetData = zrxAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of ZRX to buy.\n uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased);\n\n // Convert the remaining amount of ZRX to buy into remaining amount\n // of WETH to sell, assuming entire amount can be sold in the current order.\n uint256 remainingWethSellAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees \n remainingZrxBuyAmount\n );\n\n // Attempt to sell the remaining amount of WETH.\n FillResults memory singleFillResult = fillOrderNoThrow(\n orders[i],\n safeAdd(remainingWethSellAmount, 1), // we add 1 wei to the fill amount to make up for rounding errors\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker.\n addFillResults(totalFillResults, singleFillResult);\n zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid);\n\n // Stop execution if the entire amount of ZRX has been bought.\n if (zrxPurchased >= zrxBuyAmount) {\n break;\n }\n }\n\n require(\n zrxPurchased >= zrxBuyAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\nimport \"./mixins/MAssets.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"./interfaces/IForwarderCore.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinForwarderCore is\n LibFillResults,\n LibMath,\n LibConstants,\n MWeth,\n MAssets,\n MExchangeWrapper,\n IForwarderCore\n{\n using LibBytes for bytes;\n\n /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf.\n constructor ()\n public\n {\n address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID);\n require(\n proxyAddress != address(0),\n \"UNREGISTERED_ASSET_PROXY\"\n );\n ETHER_TOKEN.approve(proxyAddress, MAX_UINT);\n ZRX_TOKEN.approve(proxyAddress, MAX_UINT);\n }\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 wethSellAmount;\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // Calculate amount of WETH that won't be spent on ETH fees.\n wethSellAmount = getPartialAmountFloor(\n PERCENTAGE_DENOMINATOR,\n safeAdd(PERCENTAGE_DENOMINATOR, feePercentage),\n msg.value\n );\n // Market sell available WETH.\n // ZRX fees are paid with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // 5% of WETH is reserved for filling feeOrders and paying feeRecipient.\n wethSellAmount = getPartialAmountFloor(\n MAX_WETH_FILL_PERCENTAGE,\n PERCENTAGE_DENOMINATOR,\n msg.value\n );\n // Market sell 95% of WETH.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // If the makerAsset is ZRX, it is not necessary to pay fees out of this\n // contracts's ZRX balance because fees are factored into the price of the order.\n orderFillResults = marketBuyExactZrxWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // Attemp to purchase desired amount of makerAsset.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketBuyExactAmountWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\n\n\ncontract MixinWeth is\n LibMath,\n LibConstants,\n MWeth\n{\n /// @dev Default payabale function, this allows us to withdraw WETH\n function ()\n public\n payable\n {\n require(\n msg.sender == address(ETHER_TOKEN),\n \"DEFAULT_FUNCTION_WETH_CONTRACT_ONLY\"\n );\n }\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal\n {\n require(\n msg.value > 0,\n \"INVALID_MSG_VALUE\"\n );\n ETHER_TOKEN.deposit.value(msg.value)();\n }\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal\n {\n // Ensure feePercentage is less than 5%.\n require(\n feePercentage <= MAX_FEE_PERCENTAGE,\n \"FEE_PERCENTAGE_TOO_LARGE\"\n );\n\n // Ensure that no extra WETH owned by this contract has been sold.\n uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx);\n require(\n wethSold <= msg.value,\n \"OVERSOLD_WETH\"\n );\n\n // Calculate amount of WETH that hasn't been sold.\n uint256 wethRemaining = safeSub(msg.value, wethSold);\n\n // Calculate ETH fee to pay to feeRecipient.\n uint256 ethFee = getPartialAmountFloor(\n feePercentage,\n PERCENTAGE_DENOMINATOR,\n wethSoldExcludingFeeOrders\n );\n\n // Ensure fee is less than amount of WETH remaining.\n require(\n ethFee <= wethRemaining,\n \"INSUFFICIENT_ETH_REMAINING\"\n );\n \n // Do nothing if no WETH remaining\n if (wethRemaining > 0) {\n // Convert remaining WETH to ETH\n ETHER_TOKEN.withdraw(wethRemaining);\n\n // Pay ETH to feeRecipient\n if (ethFee > 0) {\n feeRecipient.transfer(ethFee);\n }\n\n // Refund remaining ETH to msg.sender.\n uint256 ethRefund = safeSub(wethRemaining, ethFee);\n if (ethRefund > 0) {\n msg.sender.transfer(ethRefund);\n }\n }\n }\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssets {\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external;\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract IForwarderCore {\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n}\n", + "2.0.0/extensions/Forwarder/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/LibBytes/LibBytes.sol\";\nimport \"../../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../../tokens/EtherToken/IEtherToken.sol\";\nimport \"../../../tokens/ERC20Token/IERC20Token.sol\";\n\n\ncontract LibConstants {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n uint256 constant internal MAX_UINT = 2**256 - 1;\n uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; \n uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5%\n uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95%\n \n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n IEtherToken internal ETHER_TOKEN;\n IERC20Token internal ZRX_TOKEN;\n bytes internal ZRX_ASSET_DATA;\n bytes internal WETH_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n WETH_ASSET_DATA = _wethAssetData;\n\n address etherToken = _wethAssetData.readAddress(16);\n address zrxToken = _zrxAssetData.readAddress(16);\n ETHER_TOKEN = IEtherToken(etherToken);\n ZRX_TOKEN = IERC20Token(zrxToken);\n }\n}\n", + "2.0.0/extensions/Forwarder/mixins/MAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssets.sol\";\n\n\ncontract MAssets is\n IAssets\n{\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract MExchangeWrapper {\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n}\n", + "2.0.0/extensions/Forwarder/mixins/MWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract MWeth {\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal;\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal;\n}\n", + "2.0.0/extensions/OrderValidator/OrderValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract OrderValidator {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n struct TraderInfo {\n uint256 makerBalance; // Maker's balance of makerAsset\n uint256 makerAllowance; // Maker's allowance to corresponding AssetProxy\n uint256 takerBalance; // Taker's balance of takerAsset\n uint256 takerAllowance; // Taker's allowance to corresponding AssetProxy\n uint256 makerZrxBalance; // Maker's balance of ZRX\n uint256 makerZrxAllowance; // Maker's allowance of ZRX to ERC20Proxy\n uint256 takerZrxBalance; // Taker's balance of ZRX\n uint256 takerZrxAllowance; // Taker's allowance of ZRX to ERC20Proxy\n }\n\n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n bytes internal ZRX_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (address _exchange, bytes memory _zrxAssetData)\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n }\n\n /// @dev Fetches information for order and maker/taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return OrderInfo and TraderInfo instances for given order.\n function getOrderAndTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo, TraderInfo memory traderInfo)\n {\n orderInfo = EXCHANGE.getOrderInfo(order);\n traderInfo = getTraderInfo(order, takerAddress);\n return (orderInfo, traderInfo);\n }\n\n /// @dev Fetches information for all passed in orders and the makers/takers of each order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Arrays of OrderInfo and TraderInfo instances that correspond to each order.\n function getOrdersAndTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (LibOrder.OrderInfo[] memory ordersInfo, TraderInfo[] memory tradersInfo)\n {\n ordersInfo = EXCHANGE.getOrdersInfo(orders);\n tradersInfo = getTradersInfo(orders, takerAddresses);\n return (ordersInfo, tradersInfo);\n }\n\n /// @dev Fetches balance and allowances for maker and taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return Balances and allowances of maker and taker of order.\n function getTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (TraderInfo memory traderInfo)\n {\n (traderInfo.makerBalance, traderInfo.makerAllowance) = getBalanceAndAllowance(order.makerAddress, order.makerAssetData);\n (traderInfo.takerBalance, traderInfo.takerAllowance) = getBalanceAndAllowance(takerAddress, order.takerAssetData);\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n (traderInfo.makerZrxBalance, traderInfo.makerZrxAllowance) = getBalanceAndAllowance(order.makerAddress, zrxAssetData);\n (traderInfo.takerZrxBalance, traderInfo.takerZrxAllowance) = getBalanceAndAllowance(takerAddress, zrxAssetData);\n return traderInfo;\n }\n\n /// @dev Fetches balances and allowances of maker and taker for each provided order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Array of balances and allowances for maker and taker of each order.\n function getTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (TraderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n TraderInfo[] memory tradersInfo = new TraderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n tradersInfo[i] = getTraderInfo(orders[i], takerAddresses[i]);\n }\n return tradersInfo;\n }\n\n /// @dev Fetches token balances and allowances of an address to given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Encoded data that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balance of asset and allowance set to given proxy of asset.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalanceAndAllowance(address target, bytes memory assetData)\n public\n view\n returns (uint256 balance, uint256 allowance)\n {\n bytes4 assetProxyId = assetData.readBytes4(0);\n address token = assetData.readAddress(16);\n address assetProxy = EXCHANGE.getAssetProxy(assetProxyId);\n\n if (assetProxyId == ERC20_DATA_ID) {\n // Query balance\n balance = IERC20Token(token).balanceOf(target);\n\n // Query allowance\n allowance = IERC20Token(token).allowance(target, assetProxy);\n } else if (assetProxyId == ERC721_DATA_ID) {\n uint256 tokenId = assetData.readUint256(36);\n\n // Query owner of tokenId\n address owner = getERC721TokenOwner(token, tokenId);\n\n // Set balance to 1 if tokenId is owned by target\n balance = target == owner ? 1 : 0;\n\n // Check if ERC721Proxy is approved to spend tokenId\n bool isApproved = IERC721Token(token).isApprovedForAll(target, assetProxy) || IERC721Token(token).getApproved(tokenId) == assetProxy;\n \n // Set alowance to 1 if ERC721Proxy is approved to spend tokenId\n allowance = isApproved ? 1 : 0;\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n return (balance, allowance);\n }\n\n /// @dev Fetches token balances and allowances of an address for each given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Array of encoded byte arrays that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balances and allowances of assets.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalancesAndAllowances(address target, bytes[] memory assetData)\n public\n view\n returns (uint256[] memory, uint256[] memory)\n {\n uint256 length = assetData.length;\n uint256[] memory balances = new uint256[](length);\n uint256[] memory allowances = new uint256[](length);\n for (uint256 i = 0; i != length; i++) {\n (balances[i], allowances[i]) = getBalanceAndAllowance(target, assetData[i]);\n }\n return (balances, allowances);\n }\n\n /// @dev Calls `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token.\n /// @param token Address of ERC721 token.\n /// @param tokenId The identifier for the specific NFT.\n /// @return Owner of tokenId or null address if unowned.\n function getERC721TokenOwner(address token, uint256 tokenId)\n public\n view\n returns (address owner)\n {\n assembly {\n // load free memory pointer\n let cdStart := mload(64)\n\n // bytes4(keccak256(ownerOf(uint256))) = 0x6352211e\n mstore(cdStart, 0x6352211e00000000000000000000000000000000000000000000000000000000)\n mstore(add(cdStart, 4), tokenId)\n\n // staticcall `ownerOf(tokenId)`\n // `ownerOf` will revert if tokenId is not owned\n let success := staticcall(\n gas, // forward all gas\n token, // call token contract\n cdStart, // start of calldata\n 36, // length of input is 36 bytes\n cdStart, // write output over input\n 32 // size of output is 32 bytes\n )\n\n // Success implies that tokenId is owned\n // Copy owner from return data if successful\n if success {\n owner := mload(cdStart)\n } \n }\n\n // Owner initialized to address(0), no need to modify if call is unsuccessful\n return owner;\n }\n}\n", + "2.0.0/multisig/MultiSigWallet.sol": "// solhint-disable\npragma solidity ^0.4.15;\n\n\n/// @title Multisignature wallet - Allows multiple parties to agree on transactions before execution.\n/// @author Stefan George - \ncontract MultiSigWallet {\n\n /*\n * Events\n */\n event Confirmation(address indexed sender, uint indexed transactionId);\n event Revocation(address indexed sender, uint indexed transactionId);\n event Submission(uint indexed transactionId);\n event Execution(uint indexed transactionId);\n event ExecutionFailure(uint indexed transactionId);\n event Deposit(address indexed sender, uint value);\n event OwnerAddition(address indexed owner);\n event OwnerRemoval(address indexed owner);\n event RequirementChange(uint required);\n\n /*\n * Constants\n */\n uint constant public MAX_OWNER_COUNT = 50;\n\n /*\n * Storage\n */\n mapping (uint => Transaction) public transactions;\n mapping (uint => mapping (address => bool)) public confirmations;\n mapping (address => bool) public isOwner;\n address[] public owners;\n uint public required;\n uint public transactionCount;\n\n struct Transaction {\n address destination;\n uint value;\n bytes data;\n bool executed;\n }\n\n /*\n * Modifiers\n */\n modifier onlyWallet() {\n require(msg.sender == address(this));\n _;\n }\n\n modifier ownerDoesNotExist(address owner) {\n require(!isOwner[owner]);\n _;\n }\n\n modifier ownerExists(address owner) {\n require(isOwner[owner]);\n _;\n }\n\n modifier transactionExists(uint transactionId) {\n require(transactions[transactionId].destination != 0);\n _;\n }\n\n modifier confirmed(uint transactionId, address owner) {\n require(confirmations[transactionId][owner]);\n _;\n }\n\n modifier notConfirmed(uint transactionId, address owner) {\n require(!confirmations[transactionId][owner]);\n _;\n }\n\n modifier notExecuted(uint transactionId) {\n require(!transactions[transactionId].executed);\n _;\n }\n\n modifier notNull(address _address) {\n require(_address != 0);\n _;\n }\n\n modifier validRequirement(uint ownerCount, uint _required) {\n require(ownerCount <= MAX_OWNER_COUNT\n && _required <= ownerCount\n && _required != 0\n && ownerCount != 0);\n _;\n }\n\n /// @dev Fallback function allows to deposit ether.\n function()\n payable\n {\n if (msg.value > 0)\n Deposit(msg.sender, msg.value);\n }\n\n /*\n * Public functions\n */\n /// @dev Contract constructor sets initial owners and required number of confirmations.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n function MultiSigWallet(address[] _owners, uint _required)\n public\n validRequirement(_owners.length, _required)\n {\n for (uint i=0; i<_owners.length; i++) {\n require(!isOwner[_owners[i]] && _owners[i] != 0);\n isOwner[_owners[i]] = true;\n }\n owners = _owners;\n required = _required;\n }\n\n /// @dev Allows to add a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of new owner.\n function addOwner(address owner)\n public\n onlyWallet\n ownerDoesNotExist(owner)\n notNull(owner)\n validRequirement(owners.length + 1, required)\n {\n isOwner[owner] = true;\n owners.push(owner);\n OwnerAddition(owner);\n }\n\n /// @dev Allows to remove an owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner.\n function removeOwner(address owner)\n public\n onlyWallet\n ownerExists(owner)\n {\n isOwner[owner] = false;\n for (uint i=0; i owners.length)\n changeRequirement(owners.length);\n OwnerRemoval(owner);\n }\n\n /// @dev Allows to replace an owner with a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner to be replaced.\n /// @param newOwner Address of new owner.\n function replaceOwner(address owner, address newOwner)\n public\n onlyWallet\n ownerExists(owner)\n ownerDoesNotExist(newOwner)\n {\n for (uint i=0; i\n// solhint-disable not-rely-on-time\ncontract MultiSigWalletWithTimeLock is\n MultiSigWallet\n{\n event ConfirmationTimeSet(uint256 indexed transactionId, uint256 confirmationTime);\n event TimeLockChange(uint256 secondsTimeLocked);\n\n uint256 public secondsTimeLocked;\n\n mapping (uint256 => uint256) public confirmationTimes;\n\n modifier notFullyConfirmed(uint256 transactionId) {\n require(\n !isConfirmed(transactionId),\n \"TX_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier fullyConfirmed(uint256 transactionId) {\n require(\n isConfirmed(transactionId),\n \"TX_NOT_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier pastTimeLock(uint256 transactionId) {\n require(\n block.timestamp >= confirmationTimes[transactionId] + secondsTimeLocked,\n \"TIME_LOCK_INCOMPLETE\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations, and time lock.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] _owners,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWallet(_owners, _required)\n {\n secondsTimeLocked = _secondsTimeLocked;\n }\n\n /// @dev Changes the duration of the time lock for transactions.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n function changeTimeLock(uint256 _secondsTimeLocked)\n public\n onlyWallet\n {\n secondsTimeLocked = _secondsTimeLocked;\n emit TimeLockChange(_secondsTimeLocked);\n }\n\n /// @dev Allows an owner to confirm a transaction.\n /// @param transactionId Transaction ID.\n function confirmTransaction(uint256 transactionId)\n public\n ownerExists(msg.sender)\n transactionExists(transactionId)\n notConfirmed(transactionId, msg.sender)\n notFullyConfirmed(transactionId)\n {\n confirmations[transactionId][msg.sender] = true;\n emit Confirmation(msg.sender, transactionId);\n if (isConfirmed(transactionId)) {\n setConfirmationTime(transactionId, block.timestamp);\n }\n }\n\n /// @dev Allows anyone to execute a confirmed transaction.\n /// @param transactionId Transaction ID.\n function executeTransaction(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n pastTimeLock(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n\n /// @dev Sets the time of when a submission first passed.\n function setConfirmationTime(uint256 transactionId, uint256 confirmationTime)\n internal\n {\n confirmationTimes[transactionId] = confirmationTime;\n emit ConfirmationTimeSet(transactionId, confirmationTime);\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC20Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n \n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 1 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n\n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. amount |\n\n /////// Read token address from calldata ///////\n // * The token address is stored in `assetData`.\n //\n // * The \"offset to assetData\" is stored at offset 4 in the calldata (table 1).\n // [assetDataOffsetFromParams = calldataload(4)]\n //\n // * Notes that the \"offset to assetData\" is relative to the \"Params\" area of calldata;\n // add 4 bytes to account for the length of the \"Header\" area (table 1).\n // [assetDataOffsetFromHeader = assetDataOffsetFromParams + 4]\n //\n // * The \"token address\" is offset 32+4=36 bytes into \"assetData\" (tables 1 & 2).\n // [tokenOffset = assetDataOffsetFromHeader + 36 = calldataload(4) + 4 + 36]\n let token := calldataload(add(calldataload(4), 40))\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from`, `to` and `amount` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 96)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output over input\n 32 // output size should be 32 bytes\n )\n\n /////// Check return data. ///////\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // nonzero 32 bytes value.\n // So the transfer succeeded if the call succeeded and either\n // returned nothing, or returned a non-zero 32 byte value. \n success := and(success, or(\n iszero(returndatasize),\n and(\n eq(returndatasize, 32),\n gt(mload(0), 0)\n )\n ))\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC721Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 2 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n // | | 36 | | 2. tokenId |\n \n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. tokenId |\n\n // There exists only 1 of each token.\n // require(amount == 1, \"INVALID_AMOUNT\")\n if sub(calldataload(100), 1) {\n // Revert with `Error(\"INVALID_AMOUNT\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from` and `to` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 64)\n\n // Copy `tokenId` field from our own calldata to the new calldata.\n let assetDataOffset := calldataload(4)\n calldatacopy(68, add(assetDataOffset, 72), 32)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let token := calldataload(add(assetDataOffset, 40))\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output to null\n 0 // output size is 0 bytes\n )\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAuthorizable.sol\";\n\n\ncontract MixinAuthorizable is\n Ownable,\n MAuthorizable\n{\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized {\n require(\n authorized[msg.sender],\n \"SENDER_NOT_AUTHORIZED\"\n );\n _;\n }\n\n mapping (address => bool) public authorized;\n address[] public authorities;\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n !authorized[target],\n \"TARGET_ALREADY_AUTHORIZED\"\n );\n\n authorized[target] = true;\n authorities.push(target);\n emit AuthorizedAddressAdded(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n\n delete authorized[target];\n for (uint256 i = 0; i < authorities.length; i++) {\n if (authorities[i] == target) {\n authorities[i] = authorities[authorities.length - 1];\n authorities.length -= 1;\n break;\n }\n }\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n require(\n index < authorities.length,\n \"INDEX_OUT_OF_BOUNDS\"\n );\n require(\n authorities[index] == target,\n \"AUTHORIZED_ADDRESS_MISMATCH\"\n );\n\n delete authorized[target];\n authorities[index] = authorities[authorities.length - 1];\n authorities.length -= 1;\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory)\n {\n return authorities;\n }\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IAuthorizable.sol\";\n\n\ncontract IAssetProxy is\n IAuthorizable\n{\n /// @dev Transfers assets. Either succeeds or throws.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n function transferFrom(\n bytes assetData,\n address from,\n address to,\n uint256 amount\n )\n external;\n \n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4);\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/Ownable/IOwnable.sol\";\n\n\ncontract IAuthorizable is\n IOwnable\n{\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external;\n \n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory);\n}\n", + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAuthorizable.sol\";\n\n\ncontract MAuthorizable is\n IAuthorizable\n{\n // Event logged when a new address is authorized.\n event AuthorizedAddressAdded(\n address indexed target,\n address indexed caller\n );\n\n // Event logged when a currently authorized address is unauthorized.\n event AuthorizedAddressRemoved(\n address indexed target,\n address indexed caller\n );\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized { revert(); _; }\n}\n", + "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../multisig/MultiSigWalletWithTimeLock.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract AssetProxyOwner is\n MultiSigWalletWithTimeLock\n{\n using LibBytes for bytes;\n\n event AssetProxyRegistration(address assetProxyContract, bool isRegistered);\n\n // Mapping of AssetProxy contract address =>\n // if this contract is allowed to call the AssetProxy's `removeAuthorizedAddressAtIndex` method without a time lock.\n mapping (address => bool) public isAssetProxyRegistered;\n\n bytes4 constant internal REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR = bytes4(keccak256(\"removeAuthorizedAddressAtIndex(address,uint256)\"));\n\n /// @dev Function will revert if the transaction does not call `removeAuthorizedAddressAtIndex`\n /// on an approved AssetProxy contract.\n modifier validRemoveAuthorizedAddressAtIndexTx(uint256 transactionId) {\n Transaction storage txn = transactions[transactionId];\n require(\n isAssetProxyRegistered[txn.destination],\n \"UNREGISTERED_ASSET_PROXY\"\n );\n require(\n txn.data.readBytes4(0) == REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR,\n \"INVALID_FUNCTION_SELECTOR\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations,\n /// time lock, and list of AssetProxy addresses.\n /// @param _owners List of initial owners.\n /// @param _assetProxyContracts Array of AssetProxy contract addresses.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] memory _owners,\n address[] memory _assetProxyContracts,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWalletWithTimeLock(_owners, _required, _secondsTimeLocked)\n {\n for (uint256 i = 0; i < _assetProxyContracts.length; i++) {\n address assetProxy = _assetProxyContracts[i];\n require(\n assetProxy != address(0),\n \"INVALID_ASSET_PROXY\"\n );\n isAssetProxyRegistered[assetProxy] = true;\n }\n }\n\n /// @dev Registers or deregisters an AssetProxy to be able to execute\n /// `removeAuthorizedAddressAtIndex` without a timelock.\n /// @param assetProxyContract Address of AssetProxy contract.\n /// @param isRegistered Status of approval for AssetProxy contract.\n function registerAssetProxy(address assetProxyContract, bool isRegistered)\n public\n onlyWallet\n notNull(assetProxyContract)\n {\n isAssetProxyRegistered[assetProxyContract] = isRegistered;\n emit AssetProxyRegistration(assetProxyContract, isRegistered);\n }\n\n /// @dev Allows execution of `removeAuthorizedAddressAtIndex` without time lock.\n /// @param transactionId Transaction ID.\n function executeRemoveAuthorizedAddressAtIndex(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n validRemoveAuthorizedAddressAtIndexTx(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n}\n", + "2.0.0/protocol/Exchange/Exchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinExchangeCore.sol\";\nimport \"./MixinSignatureValidator.sol\";\nimport \"./MixinWrapperFunctions.sol\";\nimport \"./MixinAssetProxyDispatcher.sol\";\nimport \"./MixinTransactions.sol\";\nimport \"./MixinMatchOrders.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Exchange is\n MixinExchangeCore,\n MixinMatchOrders,\n MixinSignatureValidator,\n MixinTransactions,\n MixinAssetProxyDispatcher,\n MixinWrapperFunctions\n{\n string constant public VERSION = \"2.0.1-alpha\";\n\n // Mixins are instantiated in the order they are inherited\n constructor (bytes memory _zrxAssetData)\n public\n LibConstants(_zrxAssetData) // @TODO: Remove when we deploy.\n MixinExchangeCore()\n MixinMatchOrders()\n MixinSignatureValidator()\n MixinTransactions()\n MixinAssetProxyDispatcher()\n MixinWrapperFunctions()\n {}\n}\n", + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\nimport \"../AssetProxy/interfaces/IAssetProxy.sol\";\n\n\ncontract MixinAssetProxyDispatcher is\n Ownable,\n MAssetProxyDispatcher\n{\n // Mapping from Asset Proxy Id's to their respective Asset Proxy\n mapping (bytes4 => IAssetProxy) public assetProxies;\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external\n onlyOwner\n {\n IAssetProxy assetProxyContract = IAssetProxy(assetProxy);\n\n // Ensure that no asset proxy exists with current id.\n bytes4 assetProxyId = assetProxyContract.getProxyId();\n address currentAssetProxy = assetProxies[assetProxyId];\n require(\n currentAssetProxy == address(0),\n \"ASSET_PROXY_ALREADY_EXISTS\"\n );\n\n // Add asset proxy and log registration.\n assetProxies[assetProxyId] = assetProxyContract;\n emit AssetProxyRegistered(\n assetProxyId,\n assetProxy\n );\n }\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address)\n {\n return assetProxies[assetProxyId];\n }\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal\n {\n // Do nothing if no amount should be transferred.\n if (amount > 0 && from != to) {\n // Ensure assetData length is valid\n require(\n assetData.length > 3,\n \"LENGTH_GREATER_THAN_3_REQUIRED\"\n );\n \n // Lookup assetProxy. We do not use `LibBytes.readBytes4` for gas efficiency reasons.\n bytes4 assetProxyId;\n assembly {\n assetProxyId := and(mload(\n add(assetData, 32)),\n 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000\n )\n }\n address assetProxy = assetProxies[assetProxyId];\n\n // Ensure that assetProxy exists\n require(\n assetProxy != address(0),\n \"ASSET_PROXY_DOES_NOT_EXIST\"\n );\n \n // We construct calldata for the `assetProxy.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n\n assembly {\n /////// Setup State ///////\n // `cdStart` is the start of the calldata for `assetProxy.transferFrom` (equal to free memory ptr).\n let cdStart := mload(64)\n // `dataAreaLength` is the total number of words needed to store `assetData`\n // As-per the ABI spec, this value is padded up to the nearest multiple of 32,\n // and includes 32-bytes for length.\n let dataAreaLength := and(add(mload(assetData), 63), 0xFFFFFFFFFFFE0)\n // `cdEnd` is the end of the calldata for `assetProxy.transferFrom`.\n let cdEnd := add(cdStart, add(132, dataAreaLength))\n\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFromSelector`.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes.\n // Notes:\n // 1. The offset to `assetData` is the length of the Params Area (128 bytes).\n // 2. A 20-byte mask is applied to addresses to zero-out the unused bytes.\n mstore(add(cdStart, 4), 128)\n mstore(add(cdStart, 36), and(from, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 68), and(to, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 100), amount)\n \n /////// Setup Data Area ///////\n // This area holds `assetData`.\n let dataArea := add(cdStart, 132)\n // solhint-disable-next-line no-empty-blocks\n for {} lt(dataArea, cdEnd) {} {\n mstore(dataArea, mload(assetData))\n dataArea := add(dataArea, 32)\n assetData := add(assetData, 32)\n }\n\n /////// Call `assetProxy.transferFrom` using the constructed calldata ///////\n let success := call(\n gas, // forward all gas\n assetProxy, // call address of asset proxy\n 0, // don't send any ETH\n cdStart, // pointer to start of input\n sub(cdEnd, cdStart), // length of input \n cdStart, // write output over input\n 512 // reserve 512 bytes for output\n )\n if iszero(success) {\n revert(cdStart, returndatasize())\n }\n }\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinExchangeCore is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n LibOrder,\n LibFillResults,\n MAssetProxyDispatcher,\n MExchangeCore,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of orderHash => amount of takerAsset already bought by maker\n mapping (bytes32 => uint256) public filled;\n\n // Mapping of orderHash => cancelled\n mapping (bytes32 => bool) public cancelled;\n\n // Mapping of makerAddress => senderAddress => lowest salt an order can have in order to be fillable\n // Orders with specified senderAddress and with a salt less than their epoch are considered cancelled\n mapping (address => mapping (address => uint256)) public orderEpoch;\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external\n nonReentrant\n {\n address makerAddress = getCurrentContextAddress();\n // If this function is called via `executeTransaction`, we only update the orderEpoch for the makerAddress/msg.sender combination.\n // This allows external filter contracts to add rules to how orders are cancelled via this function.\n address senderAddress = makerAddress == msg.sender ? address(0) : msg.sender;\n\n // orderEpoch is initialized to 0, so to cancelUpTo we need salt + 1\n uint256 newOrderEpoch = targetOrderEpoch + 1; \n uint256 oldOrderEpoch = orderEpoch[makerAddress][senderAddress];\n\n // Ensure orderEpoch is monotonically increasing\n require(\n newOrderEpoch > oldOrderEpoch, \n \"INVALID_NEW_ORDER_EPOCH\"\n );\n\n // Update orderEpoch\n orderEpoch[makerAddress][senderAddress] = newOrderEpoch;\n emit CancelUpTo(\n makerAddress,\n senderAddress,\n newOrderEpoch\n );\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrder(Order memory order)\n public\n nonReentrant\n {\n cancelOrderInternal(order);\n }\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(Order memory order)\n public\n view\n returns (OrderInfo memory orderInfo)\n {\n // Compute the order hash\n orderInfo.orderHash = getOrderHash(order);\n\n // Fetch filled amount\n orderInfo.orderTakerAssetFilledAmount = filled[orderInfo.orderHash];\n\n // If order.makerAssetAmount is zero, we also reject the order.\n // While the Exchange contract handles them correctly, they create\n // edge cases in the supporting infrastructure because they have\n // an 'infinite' price when computed by a simple division.\n if (order.makerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_MAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // If order.takerAssetAmount is zero, then the order will always\n // be considered filled because 0 == takerAssetAmount == orderTakerAssetFilledAmount\n // Instead of distinguishing between unfilled and filled zero taker\n // amount orders, we choose not to support them.\n if (order.takerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_TAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // Validate order availability\n if (orderInfo.orderTakerAssetFilledAmount >= order.takerAssetAmount) {\n orderInfo.orderStatus = uint8(OrderStatus.FULLY_FILLED);\n return orderInfo;\n }\n\n // Validate order expiration\n // solhint-disable-next-line not-rely-on-time\n if (block.timestamp >= order.expirationTimeSeconds) {\n orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);\n return orderInfo;\n }\n\n // Check if order has been cancelled\n if (cancelled[orderInfo.orderHash]) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n if (orderEpoch[order.makerAddress][order.senderAddress] > order.salt) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n\n // All other statuses are ruled out: order is Fillable\n orderInfo.orderStatus = uint8(OrderStatus.FILLABLE);\n return orderInfo;\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // Fetch order info\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Assert that the order is fillable by taker\n assertFillableOrder(\n order,\n orderInfo,\n takerAddress,\n signature\n );\n \n // Get amount of takerAsset to fill\n uint256 remainingTakerAssetAmount = safeSub(order.takerAssetAmount, orderInfo.orderTakerAssetFilledAmount);\n uint256 takerAssetFilledAmount = min256(takerAssetFillAmount, remainingTakerAssetAmount);\n\n // Validate context\n assertValidFill(\n order,\n orderInfo,\n takerAssetFillAmount,\n takerAssetFilledAmount,\n fillResults.makerAssetFilledAmount\n );\n\n // Compute proportional fill amounts\n fillResults = calculateFillResults(order, takerAssetFilledAmount);\n\n // Update exchange internal state\n updateFilledState(\n order,\n takerAddress,\n orderInfo.orderHash,\n orderInfo.orderTakerAssetFilledAmount,\n fillResults\n );\n \n // Settle order\n settleOrder(\n order,\n takerAddress,\n fillResults\n );\n\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrderInternal(Order memory order)\n internal\n {\n // Fetch current order status\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Validate context\n assertValidCancel(order, orderInfo);\n\n // Perform cancel\n updateCancelledState(order, orderInfo.orderHash);\n }\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n function updateFilledState(\n Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n FillResults memory fillResults\n )\n internal\n {\n // Update state\n filled[orderHash] = safeAdd(orderTakerAssetFilledAmount, fillResults.takerAssetFilledAmount);\n\n // Log order\n emit Fill(\n order.makerAddress,\n order.feeRecipientAddress,\n takerAddress,\n msg.sender,\n fillResults.makerAssetFilledAmount,\n fillResults.takerAssetFilledAmount,\n fillResults.makerFeePaid,\n fillResults.takerFeePaid,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n Order memory order,\n bytes32 orderHash\n )\n internal\n {\n // Perform cancel\n cancelled[orderHash] = true;\n\n // Log cancel\n emit Cancel(\n order.makerAddress,\n order.feeRecipientAddress,\n msg.sender,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n Order memory order,\n OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view\n {\n // An order can only be filled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n \n // Validate sender is allowed to fill this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n \n // Validate taker is allowed to fill this order\n if (order.takerAddress != address(0)) {\n require(\n order.takerAddress == takerAddress,\n \"INVALID_TAKER\"\n );\n }\n \n // Validate Maker signature (check only if first time seen)\n if (orderInfo.orderTakerAssetFilledAmount == 0) {\n require(\n isValidSignature(\n orderInfo.orderHash,\n order.makerAddress,\n signature\n ),\n \"INVALID_ORDER_SIGNATURE\"\n );\n }\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n Order memory order,\n OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount, // TODO: use FillResults\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view\n {\n // Revert if fill amount is invalid\n // TODO: reconsider necessity for v2.1\n require(\n takerAssetFillAmount != 0,\n \"INVALID_TAKER_AMOUNT\"\n );\n \n // Make sure taker does not pay more than desired amount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n takerAssetFilledAmount <= takerAssetFillAmount,\n \"TAKER_OVERPAY\"\n );\n \n // Make sure order is not overfilled\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeAdd(orderInfo.orderTakerAssetFilledAmount, takerAssetFilledAmount) <= order.takerAssetAmount,\n \"ORDER_OVERFILL\"\n );\n \n // Make sure order is filled at acceptable price.\n // The order has an implied price from the makers perspective:\n // order price = order.makerAssetAmount / order.takerAssetAmount\n // i.e. the number of makerAsset maker is paying per takerAsset. The\n // maker is guaranteed to get this price or a better (lower) one. The\n // actual price maker is getting in this fill is:\n // fill price = makerAssetFilledAmount / takerAssetFilledAmount\n // We need `fill price <= order price` for the fill to be fair to maker.\n // This amounts to:\n // makerAssetFilledAmount order.makerAssetAmount\n // ------------------------ <= -----------------------\n // takerAssetFilledAmount order.takerAssetAmount\n // or, equivalently:\n // makerAssetFilledAmount * order.takerAssetAmount <=\n // order.makerAssetAmount * takerAssetFilledAmount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeMul(makerAssetFilledAmount, order.takerAssetAmount)\n <= \n safeMul(order.makerAssetAmount, takerAssetFilledAmount),\n \"INVALID_FILL_PRICE\"\n );\n }\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n Order memory order,\n OrderInfo memory orderInfo\n )\n internal\n view\n {\n // Ensure order is valid\n // An order can only be cancelled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Validate sender is allowed to cancel this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate transaction signed by maker\n address makerAddress = getCurrentContextAddress();\n require(\n order.makerAddress == makerAddress,\n \"INVALID_MAKER\"\n );\n }\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (FillResults memory fillResults)\n {\n // Compute proportional transfer amounts\n fillResults.takerAssetFilledAmount = takerAssetFilledAmount;\n fillResults.makerAssetFilledAmount = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n );\n fillResults.makerFeePaid = safeGetPartialAmountFloor(\n fillResults.makerAssetFilledAmount,\n order.makerAssetAmount,\n order.makerFee\n );\n fillResults.takerFeePaid = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.takerFee\n );\n\n return fillResults;\n }\n\n /// @dev Settles an order by transferring assets between counterparties.\n /// @param order Order struct containing order specifications.\n /// @param takerAddress Address selling takerAsset and buying makerAsset.\n /// @param fillResults Amounts to be filled and fees paid by maker and taker.\n function settleOrder(\n LibOrder.Order memory order,\n address takerAddress,\n LibFillResults.FillResults memory fillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n dispatchTransferFrom(\n order.makerAssetData,\n order.makerAddress,\n takerAddress,\n fillResults.makerAssetFilledAmount\n );\n dispatchTransferFrom(\n order.takerAssetData,\n takerAddress,\n order.makerAddress,\n fillResults.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n zrxAssetData,\n order.makerAddress,\n order.feeRecipientAddress,\n fillResults.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n order.feeRecipientAddress,\n fillResults.takerFeePaid\n );\n }\n}\n", + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": "/*\n Copyright 2018 ZeroEx Intl.\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n http://www.apache.org/licenses/LICENSE-2.0\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MMatchOrders.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinMatchOrders is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n MAssetProxyDispatcher,\n MExchangeCore,\n MMatchOrders,\n MTransactions\n{\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n nonReentrant\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We assume that rightOrder.takerAssetData == leftOrder.makerAssetData and rightOrder.makerAssetData == leftOrder.takerAssetData.\n // If this assumption isn't true, the match will fail at signature validation.\n rightOrder.makerAssetData = leftOrder.takerAssetData;\n rightOrder.takerAssetData = leftOrder.makerAssetData;\n\n // Get left & right order info\n LibOrder.OrderInfo memory leftOrderInfo = getOrderInfo(leftOrder);\n LibOrder.OrderInfo memory rightOrderInfo = getOrderInfo(rightOrder);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Either our context is valid or we revert\n assertFillableOrder(\n leftOrder,\n leftOrderInfo,\n takerAddress,\n leftSignature\n );\n assertFillableOrder(\n rightOrder,\n rightOrderInfo,\n takerAddress,\n rightSignature\n );\n assertValidMatch(leftOrder, rightOrder);\n\n // Compute proportional fill amounts\n matchedFillResults = calculateMatchedFillResults(\n leftOrder,\n rightOrder,\n leftOrderInfo.orderTakerAssetFilledAmount,\n rightOrderInfo.orderTakerAssetFilledAmount\n );\n\n // Validate fill contexts\n assertValidFill(\n leftOrder,\n leftOrderInfo,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.makerAssetFilledAmount\n );\n assertValidFill(\n rightOrder,\n rightOrderInfo,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n \n // Update exchange state\n updateFilledState(\n leftOrder,\n takerAddress,\n leftOrderInfo.orderHash,\n leftOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.left\n );\n updateFilledState(\n rightOrder,\n takerAddress,\n rightOrderInfo.orderHash,\n rightOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.right\n );\n\n // Settle matched orders. Succeeds or throws.\n settleMatchedOrders(\n leftOrder,\n rightOrder,\n takerAddress,\n matchedFillResults\n );\n\n return matchedFillResults;\n }\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure\n {\n // Make sure there is a profitable spread.\n // There is a profitable spread iff the cost per unit bought (OrderA.MakerAmount/OrderA.TakerAmount) for each order is greater\n // than the profit per unit sold of the matched order (OrderB.TakerAmount/OrderB.MakerAmount).\n // This is satisfied by the equations below:\n // / >= / \n // AND\n // / >= / \n // These equations can be combined to get the following:\n require(\n safeMul(leftOrder.makerAssetAmount, rightOrder.makerAssetAmount) >=\n safeMul(leftOrder.takerAssetAmount, rightOrder.takerAssetAmount),\n \"NEGATIVE_SPREAD_REQUIRED\"\n );\n }\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // Derive maker asset amounts for left & right orders, given store taker assert amounts\n uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);\n uint256 leftMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n leftTakerAssetAmountRemaining\n );\n uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);\n uint256 rightMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n rightOrder.makerAssetAmount,\n rightOrder.takerAssetAmount,\n rightTakerAssetAmountRemaining\n );\n\n // Calculate fill results for maker and taker assets: at least one order will be fully filled.\n // The maximum amount the left maker can buy is `leftTakerAssetAmountRemaining`\n // The maximum amount the right maker can sell is `rightMakerAssetAmountRemaining`\n // We have two distinct cases for calculating the fill results:\n // Case 1.\n // If the left maker can buy more than the right maker can sell, then only the right order is fully filled.\n // If the left maker can buy exactly what the right maker can sell, then both orders are fully filled.\n // Case 2.\n // If the left maker cannot buy more than the right maker can sell, then only the left order is fully filled.\n if (leftTakerAssetAmountRemaining >= rightMakerAssetAmountRemaining) {\n // Case 1: Right order is fully filled\n matchedFillResults.right.makerAssetFilledAmount = rightMakerAssetAmountRemaining;\n matchedFillResults.right.takerAssetFilledAmount = rightTakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = matchedFillResults.right.makerAssetFilledAmount;\n // Round down to ensure the maker's exchange rate does not exceed the price specified by the order. \n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.left.makerAssetFilledAmount = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n matchedFillResults.left.takerAssetFilledAmount\n );\n } else {\n // Case 2: Left order is fully filled\n matchedFillResults.left.makerAssetFilledAmount = leftMakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = leftTakerAssetAmountRemaining;\n matchedFillResults.right.makerAssetFilledAmount = matchedFillResults.left.takerAssetFilledAmount;\n // Round up to ensure the maker's exchange rate does not exceed the price specified by the order.\n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.right.takerAssetFilledAmount = safeGetPartialAmountCeil(\n rightOrder.takerAssetAmount,\n rightOrder.makerAssetAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n }\n\n // Calculate amount given to taker\n matchedFillResults.leftMakerAssetSpreadAmount = safeSub(\n matchedFillResults.left.makerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount\n );\n\n // Compute fees for left order\n matchedFillResults.left.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.makerAssetFilledAmount,\n leftOrder.makerAssetAmount,\n leftOrder.makerFee\n );\n matchedFillResults.left.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.takerAssetFilledAmount,\n leftOrder.takerAssetAmount,\n leftOrder.takerFee\n );\n\n // Compute fees for right order\n matchedFillResults.right.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.makerAssetFilledAmount,\n rightOrder.makerAssetAmount,\n rightOrder.makerFee\n );\n matchedFillResults.right.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.takerAssetFilledAmount,\n rightOrder.takerAssetAmount,\n rightOrder.takerFee\n );\n\n // Return fill results\n return matchedFillResults;\n }\n\n /// @dev Settles matched order by transferring appropriate funds between order makers, taker, and fee recipient.\n /// @param leftOrder First matched order.\n /// @param rightOrder Second matched order.\n /// @param takerAddress Address that matched the orders. The taker receives the spread between orders as profit.\n /// @param matchedFillResults Struct holding amounts to transfer between makers, taker, and fee recipients.\n function settleMatchedOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n address takerAddress,\n LibFillResults.MatchedFillResults memory matchedFillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n // Order makers and taker\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n rightOrder.makerAddress,\n matchedFillResults.right.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n rightOrder.makerAssetData,\n rightOrder.makerAddress,\n leftOrder.makerAddress,\n matchedFillResults.left.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n takerAddress,\n matchedFillResults.leftMakerAssetSpreadAmount\n );\n\n // Maker fees\n dispatchTransferFrom(\n zrxAssetData,\n leftOrder.makerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n rightOrder.makerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.makerFeePaid\n );\n\n // Taker fees\n if (leftOrder.feeRecipientAddress == rightOrder.feeRecipientAddress) {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n safeAdd(\n matchedFillResults.left.takerFeePaid,\n matchedFillResults.right.takerFeePaid\n )\n );\n } else {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.takerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.takerFeePaid\n );\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./interfaces/IWallet.sol\";\nimport \"./interfaces/IValidator.sol\";\n\n\ncontract MixinSignatureValidator is\n ReentrancyGuard,\n MSignatureValidator,\n MTransactions\n{\n using LibBytes for bytes;\n \n // Mapping of hash => signer => signed\n mapping (bytes32 => mapping (address => bool)) public preSigned;\n\n // Mapping of signer => validator => approved\n mapping (address => mapping (address => bool)) public allowedValidators;\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n {\n if (signerAddress != msg.sender) {\n require(\n isValidSignature(\n hash,\n signerAddress,\n signature\n ),\n \"INVALID_SIGNATURE\"\n );\n }\n preSigned[hash][signerAddress] = true;\n }\n\n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external\n nonReentrant\n {\n address signerAddress = getCurrentContextAddress();\n allowedValidators[signerAddress][validatorAddress] = approval;\n emit SignatureValidatorApproval(\n signerAddress,\n validatorAddress,\n approval\n );\n }\n\n /// @dev Verifies that a hash has been signed by the given signer.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid)\n {\n require(\n signature.length > 0,\n \"LENGTH_GREATER_THAN_0_REQUIRED\"\n );\n\n // Pop last byte off of signature byte array.\n uint8 signatureTypeRaw = uint8(signature.popLastByte());\n\n // Ensure signature is supported\n require(\n signatureTypeRaw < uint8(SignatureType.NSignatureTypes),\n \"SIGNATURE_UNSUPPORTED\"\n );\n\n SignatureType signatureType = SignatureType(signatureTypeRaw);\n\n // Variables are not scoped in Solidity.\n uint8 v;\n bytes32 r;\n bytes32 s;\n address recovered;\n\n // Always illegal signature.\n // This is always an implicit option since a signer can create a\n // signature array with invalid type or length. We may as well make\n // it an explicit option. This aids testing and analysis. It is\n // also the initialization value for the enum type.\n if (signatureType == SignatureType.Illegal) {\n revert(\"SIGNATURE_ILLEGAL\");\n\n // Always invalid signature.\n // Like Illegal, this is always implicitly available and therefore\n // offered explicitly. It can be implicitly created by providing\n // a correctly formatted but incorrect signature.\n } else if (signatureType == SignatureType.Invalid) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = false;\n return isValid;\n\n // Signature using EIP712\n } else if (signatureType == SignatureType.EIP712) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n hash,\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signed using web3.eth_sign\n } else if (signatureType == SignatureType.EthSign) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n32\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signature verified by wallet contract.\n // If used with an order, the maker of the order is the wallet contract.\n } else if (signatureType == SignatureType.Wallet) {\n isValid = isValidWalletSignature(\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signature verified by validator contract.\n // If used with an order, the maker of the order can still be an EOA.\n // A signature using this type should be encoded as:\n // | Offset | Length | Contents |\n // | 0x00 | x | Signature to validate |\n // | 0x00 + x | 20 | Address of validator contract |\n // | 0x14 + x | 1 | Signature type is always \"\\x06\" |\n } else if (signatureType == SignatureType.Validator) {\n // Pop last 20 bytes off of signature byte array.\n address validatorAddress = signature.popLast20Bytes();\n \n // Ensure signer has approved validator.\n if (!allowedValidators[signerAddress][validatorAddress]) {\n return false;\n }\n isValid = isValidValidatorSignature(\n validatorAddress,\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signer signed hash previously using the preSign function.\n } else if (signatureType == SignatureType.PreSigned) {\n isValid = preSigned[hash][signerAddress];\n return isValid;\n }\n\n // Anything else is illegal (We do not return false because\n // the signature may actually be valid, just not in a format\n // that we currently support. In this case returning false\n // may lead the caller to incorrectly believe that the\n // signature was invalid.)\n revert(\"SIGNATURE_UNSUPPORTED\");\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if signature is valid for given wallet..\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IWallet(walletAddress).isValidSignature.selector,\n hash,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n walletAddress, // address of Wallet contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"WALLET_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000c57414c4c45545f4552524f5200000000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IValidator(signerAddress).isValidSignature.selector,\n hash,\n signerAddress,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n validatorAddress, // address of Validator contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"VALIDATOR_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f56414c494441544f525f4552524f5200000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n}\n", + "2.0.0/protocol/Exchange/MixinTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"./libs/LibExchangeErrors.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./libs/LibEIP712.sol\";\n\n\ncontract MixinTransactions is\n LibEIP712,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of transaction hash => executed\n // This prevents transactions from being executed more than once.\n mapping (bytes32 => bool) public transactions;\n\n // Address of current transaction signer\n address public currentContextAddress;\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external\n {\n // Prevent reentrancy\n require(\n currentContextAddress == address(0),\n \"REENTRANCY_ILLEGAL\"\n );\n\n bytes32 transactionHash = hashEIP712Message(hashZeroExTransaction(\n salt,\n signerAddress,\n data\n ));\n\n // Validate transaction has not been executed\n require(\n !transactions[transactionHash],\n \"INVALID_TX_HASH\"\n );\n\n // Transaction always valid if signer is sender of transaction\n if (signerAddress != msg.sender) {\n // Validate signature\n require(\n isValidSignature(\n transactionHash,\n signerAddress,\n signature\n ),\n \"INVALID_TX_SIGNATURE\"\n );\n\n // Set the current transaction signer\n currentContextAddress = signerAddress;\n }\n\n // Execute transaction\n transactions[transactionHash] = true;\n require(\n address(this).delegatecall(data),\n \"FAILED_EXECUTION\"\n );\n\n // Reset current transaction signer if it was previously updated\n if (signerAddress != msg.sender) {\n currentContextAddress = address(0);\n }\n }\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;\n bytes32 dataHash = keccak256(data);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,\n // salt,\n // bytes32(signerAddress),\n // keccak256(data)\n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, schemaHash) // hash of schema\n mstore(add(memPtr, 32), salt) // salt\n mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff)) // signerAddress\n mstore(add(memPtr, 96), dataHash) // hash of data\n\n // Compute hash\n result := keccak256(memPtr, 128)\n }\n return result;\n }\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address)\n {\n address currentContextAddress_ = currentContextAddress;\n address contextAddress = currentContextAddress_ == address(0) ? msg.sender : currentContextAddress_;\n return contextAddress;\n }\n}\n", + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibAbiEncoder.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MWrapperFunctions.sol\";\n\n\ncontract MixinWrapperFunctions is\n ReentrancyGuard,\n LibMath,\n LibFillResults,\n LibAbiEncoder,\n MExchangeCore,\n MWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrKillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n // Delegate to `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := delegatecall(\n gas, // forward all gas\n address, // call address of this contract\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrKillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n \n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public\n nonReentrant\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n cancelOrderInternal(orders[i]);\n }\n }\n\n /// @dev Fetches information for all passed in orders.\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n LibOrder.OrderInfo[] memory ordersInfo = new LibOrder.OrderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n ordersInfo[i] = getOrderInfo(orders[i]);\n }\n return ordersInfo;\n }\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n require(\n fillResults.takerAssetFilledAmount == takerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return fillResults;\n }\n}\n", + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssetProxyDispatcher {\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external;\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./IExchangeCore.sol\";\nimport \"./IMatchOrders.sol\";\nimport \"./ISignatureValidator.sol\";\nimport \"./ITransactions.sol\";\nimport \"./IAssetProxyDispatcher.sol\";\nimport \"./IWrapperFunctions.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract IExchange is\n IExchangeCore,\n IMatchOrders,\n ISignatureValidator,\n ITransactions,\n IAssetProxyDispatcher,\n IWrapperFunctions\n{}\n", + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IExchangeCore {\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external;\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrder(LibOrder.Order memory order)\n public;\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(LibOrder.Order memory order)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IMatchOrders {\n\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ISignatureValidator {\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external;\n \n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external;\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address of signer.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\n\ncontract ITransactions {\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external;\n}\n", + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IValidator {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IWallet {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IWrapperFunctions {\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public;\n\n /// @dev Fetches information for all passed in orders\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory);\n}\n", + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./LibOrder.sol\";\n\n\ncontract LibAbiEncoder {\n\n /// @dev ABI encodes calldata for `fillOrder`.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return ABI encoded calldata for `fillOrder`.\n function abiEncodeFillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n pure\n returns (bytes memory fillOrderCalldata)\n {\n // We need to call MExchangeCore.fillOrder using a delegatecall in\n // assembly so that we can intercept a call that throws. For this, we\n // need the input encoded in memory in the Ethereum ABIv2 format [1].\n\n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0x00 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 0x00 | | 1. offset to order (*) |\n // | | 0x20 | | 2. takerAssetFillAmount |\n // | | 0x40 | | 3. offset to signature (*) |\n // | Data | | 12 * 32 | order: |\n // | | 0x000 | | 1. senderAddress |\n // | | 0x020 | | 2. makerAddress |\n // | | 0x040 | | 3. takerAddress |\n // | | 0x060 | | 4. feeRecipientAddress |\n // | | 0x080 | | 5. makerAssetAmount |\n // | | 0x0A0 | | 6. takerAssetAmount |\n // | | 0x0C0 | | 7. makerFeeAmount |\n // | | 0x0E0 | | 8. takerFeeAmount |\n // | | 0x100 | | 9. expirationTimeSeconds |\n // | | 0x120 | | 10. salt |\n // | | 0x140 | | 11. Offset to makerAssetData (*) |\n // | | 0x160 | | 12. Offset to takerAssetData (*) |\n // | | 0x180 | 32 | makerAssetData Length |\n // | | 0x1A0 | ** | makerAssetData Contents |\n // | | 0x1C0 | 32 | takerAssetData Length |\n // | | 0x1E0 | ** | takerAssetData Contents |\n // | | 0x200 | 32 | signature Length |\n // | | 0x220 | ** | signature Contents |\n\n // * Offsets are calculated from the beginning of the current area: Header, Params, Data:\n // An offset stored in the Params area is calculated from the beginning of the Params section.\n // An offset stored in the Data area is calculated from the beginning of the Data section.\n\n // ** The length of dynamic array contents are stored in the field immediately preceeding the contents.\n\n // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html\n\n assembly {\n\n // Areas below may use the following variables:\n // 1. Start -- Start of this area in memory\n // 2. End -- End of this area in memory. This value may\n // be precomputed (before writing contents),\n // or it may be computed as contents are written.\n // 3. Offset -- Current offset into area. If an area's End\n // is precomputed, this variable tracks the\n // offsets of contents as they are written.\n\n /////// Setup Header Area ///////\n // Load free memory pointer\n fillOrderCalldata := mload(0x40)\n // bytes4(keccak256(\"fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)\"))\n // = 0xb4be83d5\n // Leave 0x20 bytes to store the length\n mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000)\n let headerAreaEnd := add(fillOrderCalldata, 0x24)\n\n /////// Setup Params Area ///////\n // This area is preallocated and written to later.\n // This is because we need to fill in offsets that have not yet been calculated.\n let paramsAreaStart := headerAreaEnd\n let paramsAreaEnd := add(paramsAreaStart, 0x60)\n let paramsAreaOffset := paramsAreaStart\n\n /////// Setup Data Area ///////\n let dataAreaStart := paramsAreaEnd\n let dataAreaEnd := dataAreaStart\n\n // Offset from the source data we're reading from\n let sourceOffset := order\n // arrayLenBytes and arrayLenWords track the length of a dynamically-allocated bytes array.\n let arrayLenBytes := 0\n let arrayLenWords := 0\n\n /////// Write order Struct ///////\n // Write memory location of Order, relative to the start of the\n // parameter list, then increment the paramsAreaOffset respectively.\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n // Write values for each field in the order\n // It would be nice to use a loop, but we save on gas by writing\n // the stores sequentially.\n mstore(dataAreaEnd, mload(sourceOffset)) // makerAddress\n mstore(add(dataAreaEnd, 0x20), mload(add(sourceOffset, 0x20))) // takerAddress\n mstore(add(dataAreaEnd, 0x40), mload(add(sourceOffset, 0x40))) // feeRecipientAddress\n mstore(add(dataAreaEnd, 0x60), mload(add(sourceOffset, 0x60))) // senderAddress\n mstore(add(dataAreaEnd, 0x80), mload(add(sourceOffset, 0x80))) // makerAssetAmount\n mstore(add(dataAreaEnd, 0xA0), mload(add(sourceOffset, 0xA0))) // takerAssetAmount\n mstore(add(dataAreaEnd, 0xC0), mload(add(sourceOffset, 0xC0))) // makerFeeAmount\n mstore(add(dataAreaEnd, 0xE0), mload(add(sourceOffset, 0xE0))) // takerFeeAmount\n mstore(add(dataAreaEnd, 0x100), mload(add(sourceOffset, 0x100))) // expirationTimeSeconds\n mstore(add(dataAreaEnd, 0x120), mload(add(sourceOffset, 0x120))) // salt\n mstore(add(dataAreaEnd, 0x140), mload(add(sourceOffset, 0x140))) // Offset to makerAssetData\n mstore(add(dataAreaEnd, 0x160), mload(add(sourceOffset, 0x160))) // Offset to takerAssetData\n dataAreaEnd := add(dataAreaEnd, 0x180)\n sourceOffset := add(sourceOffset, 0x180)\n\n // Write offset to \n mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x140)) // makerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Write offset to \n mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x160)) // takerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n /////// Write takerAssetFillAmount ///////\n mstore(paramsAreaOffset, takerAssetFillAmount)\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n /////// Write signature ///////\n // Write offset to paramsArea\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n\n // Calculate length of signature\n sourceOffset := signature\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of signature\n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of signature\n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Set length of calldata\n mstore(fillOrderCalldata, sub(dataAreaEnd, add(fillOrderCalldata, 0x20)))\n\n // Increment free memory pointer\n mstore(0x40, dataAreaEnd)\n }\n\n return fillOrderCalldata;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\n// solhint-disable max-line-length\ncontract LibConstants {\n \n // Asset data for ZRX token. Used for fee transfers.\n // @TODO: Hardcode constant when we deploy. Currently \n // not constant to make testing easier.\n\n // The proxyId for ZRX_ASSET_DATA is bytes4(keccak256(\"ERC20Token(address)\")) = 0xf47261b0\n \n // Kovan ZRX address is 0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570.\n // The ABI encoded proxyId and address is 0xf47261b00000000000000000000000006ff6c0ff1d68b964901f986d4c9fa3ac68346570\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x6f\\xf6\\xc0\\xff\\x1d\\x68\\xb9\\x64\\x90\\x1f\\x98\\x6d\\x4c\\x9f\\xa3\\xac\\x68\\x34\\x65\\x70\";\n \n // Mainnet ZRX address is 0xe41d2489571d322189246dafa5ebde1f4699f498.\n // The ABI encoded proxyId and address is 0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xe4\\x1d\\x24\\x89\\x57\\x1d\\x32\\x21\\x89\\x24\\x6d\\xaf\\xa5\\xeb\\xde\\x1f\\x46\\x99\\xf4\\x98\";\n \n // solhint-disable-next-line var-name-mixedcase\n bytes public ZRX_ASSET_DATA;\n\n // @TODO: Remove when we deploy.\n constructor (bytes memory zrxAssetData)\n public\n {\n ZRX_ASSET_DATA = zrxAssetData;\n }\n}\n// solhint-enable max-line-length\n", + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract LibEIP712 {\n\n // EIP191 header for EIP712 prefix\n string constant internal EIP191_HEADER = \"\\x19\\x01\";\n\n // EIP712 Domain Name value\n string constant internal EIP712_DOMAIN_NAME = \"0x Protocol\";\n\n // EIP712 Domain Version value\n string constant internal EIP712_DOMAIN_VERSION = \"2\";\n\n // Hash of the EIP712 Domain Separator Schema\n bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"EIP712Domain(\",\n \"string name,\",\n \"string version,\",\n \"address verifyingContract\",\n \")\"\n ));\n\n // Hash of the EIP712 Domain Separator data\n // solhint-disable-next-line var-name-mixedcase\n bytes32 public EIP712_DOMAIN_HASH;\n\n constructor ()\n public\n {\n EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(\n EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,\n keccak256(bytes(EIP712_DOMAIN_NAME)),\n keccak256(bytes(EIP712_DOMAIN_VERSION)),\n bytes32(address(this))\n ));\n }\n\n /// @dev Calculates EIP712 encoding for a hash struct in this EIP712 Domain.\n /// @param hashStruct The EIP712 hash struct.\n /// @return EIP712 hash applied to this EIP712 Domain.\n function hashEIP712Message(bytes32 hashStruct)\n internal\n view\n returns (bytes32 result)\n {\n bytes32 eip712DomainHash = EIP712_DOMAIN_HASH;\n\n // Assembly for more efficient computing:\n // keccak256(abi.encodePacked(\n // EIP191_HEADER,\n // EIP712_DOMAIN_HASH,\n // hashStruct \n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, 0x1901000000000000000000000000000000000000000000000000000000000000) // EIP191 header\n mstore(add(memPtr, 2), eip712DomainHash) // EIP712 domain hash\n mstore(add(memPtr, 34), hashStruct) // Hash of struct\n\n // Compute hash\n result := keccak256(memPtr, 66)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity 0.4.24;\n\n\n/// @dev This contract documents the revert reasons used in the Exchange contract.\n/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons.\ncontract LibExchangeErrors {\n\n /// Order validation errors ///\n string constant ORDER_UNFILLABLE = \"ORDER_UNFILLABLE\"; // Order cannot be filled.\n string constant INVALID_MAKER = \"INVALID_MAKER\"; // Invalid makerAddress.\n string constant INVALID_TAKER = \"INVALID_TAKER\"; // Invalid takerAddress.\n string constant INVALID_SENDER = \"INVALID_SENDER\"; // Invalid `msg.sender`.\n string constant INVALID_ORDER_SIGNATURE = \"INVALID_ORDER_SIGNATURE\"; // Signature validation failed. \n \n /// fillOrder validation errors ///\n string constant INVALID_TAKER_AMOUNT = \"INVALID_TAKER_AMOUNT\"; // takerAssetFillAmount cannot equal 0.\n string constant ROUNDING_ERROR = \"ROUNDING_ERROR\"; // Rounding error greater than 0.1% of takerAssetFillAmount. \n \n /// Signature validation errors ///\n string constant INVALID_SIGNATURE = \"INVALID_SIGNATURE\"; // Signature validation failed. \n string constant SIGNATURE_ILLEGAL = \"SIGNATURE_ILLEGAL\"; // Signature type is illegal.\n string constant SIGNATURE_UNSUPPORTED = \"SIGNATURE_UNSUPPORTED\"; // Signature type unsupported.\n \n /// cancelOrdersUptTo errors ///\n string constant INVALID_NEW_ORDER_EPOCH = \"INVALID_NEW_ORDER_EPOCH\"; // Specified salt must be greater than or equal to existing orderEpoch.\n\n /// fillOrKillOrder errors ///\n string constant COMPLETE_FILL_FAILED = \"COMPLETE_FILL_FAILED\"; // Desired takerAssetFillAmount could not be completely filled. \n\n /// matchOrders errors ///\n string constant NEGATIVE_SPREAD_REQUIRED = \"NEGATIVE_SPREAD_REQUIRED\"; // Matched orders must have a negative spread.\n\n /// Transaction errors ///\n string constant REENTRANCY_ILLEGAL = \"REENTRANCY_ILLEGAL\"; // Recursive reentrancy is not allowed. \n string constant INVALID_TX_HASH = \"INVALID_TX_HASH\"; // Transaction has already been executed. \n string constant INVALID_TX_SIGNATURE = \"INVALID_TX_SIGNATURE\"; // Signature validation failed. \n string constant FAILED_EXECUTION = \"FAILED_EXECUTION\"; // Transaction execution failed. \n \n /// registerAssetProxy errors ///\n string constant ASSET_PROXY_ALREADY_EXISTS = \"ASSET_PROXY_ALREADY_EXISTS\"; // AssetProxy with same id already exists.\n\n /// dispatchTransferFrom errors ///\n string constant ASSET_PROXY_DOES_NOT_EXIST = \"ASSET_PROXY_DOES_NOT_EXIST\"; // No assetProxy registered at given id.\n string constant TRANSFER_FAILED = \"TRANSFER_FAILED\"; // Asset transfer unsuccesful.\n\n /// Length validation errors ///\n string constant LENGTH_GREATER_THAN_0_REQUIRED = \"LENGTH_GREATER_THAN_0_REQUIRED\"; // Byte array must have a length greater than 0.\n string constant LENGTH_GREATER_THAN_3_REQUIRED = \"LENGTH_GREATER_THAN_3_REQUIRED\"; // Byte array must have a length greater than 3.\n string constant LENGTH_0_REQUIRED = \"LENGTH_0_REQUIRED\"; // Byte array must have a length of 0.\n string constant LENGTH_65_REQUIRED = \"LENGTH_65_REQUIRED\"; // Byte array must have a length of 65.\n}\n", + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibFillResults is\n SafeMath\n{\n struct FillResults {\n uint256 makerAssetFilledAmount; // Total amount of makerAsset(s) filled.\n uint256 takerAssetFilledAmount; // Total amount of takerAsset(s) filled.\n uint256 makerFeePaid; // Total amount of ZRX paid by maker(s) to feeRecipient(s).\n uint256 takerFeePaid; // Total amount of ZRX paid by taker to feeRecipients(s).\n }\n\n struct MatchedFillResults {\n FillResults left; // Amounts filled and fees paid of left order.\n FillResults right; // Amounts filled and fees paid of right order.\n uint256 leftMakerAssetSpreadAmount; // Spread between price of left and right order, denominated in the left order's makerAsset, paid to taker.\n }\n\n /// @dev Adds properties of both FillResults instances.\n /// Modifies the first FillResults instance specified.\n /// @param totalFillResults Fill results instance that will be added onto.\n /// @param singleFillResults Fill results instance that will be added to totalFillResults.\n function addFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)\n internal\n pure\n {\n totalFillResults.makerAssetFilledAmount = safeAdd(totalFillResults.makerAssetFilledAmount, singleFillResults.makerAssetFilledAmount);\n totalFillResults.takerAssetFilledAmount = safeAdd(totalFillResults.takerAssetFilledAmount, singleFillResults.takerAssetFilledAmount);\n totalFillResults.makerFeePaid = safeAdd(totalFillResults.makerFeePaid, singleFillResults.makerFeePaid);\n totalFillResults.takerFeePaid = safeAdd(totalFillResults.takerFeePaid, singleFillResults.takerFeePaid);\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibMath.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibMath is\n SafeMath\n{\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function safeGetPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorFloor(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function safeGetPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorCeil(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function getPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function getPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // The absolute rounding error is the difference between the rounded\n // value and the ideal value. The relative rounding error is the\n // absolute rounding error divided by the absolute value of the\n // ideal value. This is undefined when the ideal value is zero.\n //\n // The ideal value is `numerator * target / denominator`.\n // Let's call `numerator * target % denominator` the remainder.\n // The absolute error is `remainder / denominator`.\n //\n // When the ideal value is zero, we require the absolute error to\n // be zero. Fortunately, this is always the case. The ideal value is\n // zero iff `numerator == 0` and/or `target == 0`. In this case the\n // remainder and absolute error are also zero. \n if (target == 0 || numerator == 0) {\n return false;\n }\n \n // Otherwise, we want the relative rounding error to be strictly\n // less than 0.1%.\n // The relative error is `remainder / (numerator * target)`.\n // We want the relative error less than 1 / 1000:\n // remainder / (numerator * denominator) < 1 / 1000\n // or equivalently:\n // 1000 * remainder < numerator * target\n // so we have a rounding error iff:\n // 1000 * remainder >= numerator * target\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding up.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // See the comments in `isRoundingError`.\n if (target == 0 || numerator == 0) {\n // When either is zero, the ideal value and rounded value are zero\n // and there is no rounding error. (Although the relative error\n // is undefined.)\n return false;\n }\n // Compute remainder as before\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n remainder = safeSub(denominator, remainder) % denominator;\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibOrder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./LibEIP712.sol\";\n\n\ncontract LibOrder is\n LibEIP712\n{\n // Hash for the EIP712 Order Schema\n bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"Order(\",\n \"address makerAddress,\",\n \"address takerAddress,\",\n \"address feeRecipientAddress,\",\n \"address senderAddress,\",\n \"uint256 makerAssetAmount,\",\n \"uint256 takerAssetAmount,\",\n \"uint256 makerFee,\",\n \"uint256 takerFee,\",\n \"uint256 expirationTimeSeconds,\",\n \"uint256 salt,\",\n \"bytes makerAssetData,\",\n \"bytes takerAssetData\",\n \")\"\n ));\n\n // A valid order remains fillable until it is expired, fully filled, or cancelled.\n // An order's state is unaffected by external factors, like account balances.\n enum OrderStatus {\n INVALID, // Default value\n INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount\n INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount\n FILLABLE, // Order is fillable\n EXPIRED, // Order has already expired\n FULLY_FILLED, // Order is fully filled\n CANCELLED // Order has been cancelled\n }\n\n // solhint-disable max-line-length\n struct Order {\n address makerAddress; // Address that created the order. \n address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order. \n address feeRecipientAddress; // Address that will recieve fees when order is filled. \n address senderAddress; // Address that is allowed to call Exchange contract methods that affect this order. If set to 0, any address is allowed to call these methods.\n uint256 makerAssetAmount; // Amount of makerAsset being offered by maker. Must be greater than 0. \n uint256 takerAssetAmount; // Amount of takerAsset being bid on by maker. Must be greater than 0. \n uint256 makerFee; // Amount of ZRX paid to feeRecipient by maker when order is filled. If set to 0, no transfer of ZRX from maker to feeRecipient will be attempted.\n uint256 takerFee; // Amount of ZRX paid to feeRecipient by taker when order is filled. If set to 0, no transfer of ZRX from taker to feeRecipient will be attempted.\n uint256 expirationTimeSeconds; // Timestamp in seconds at which order expires. \n uint256 salt; // Arbitrary number to facilitate uniqueness of the order's hash. \n bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.\n bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.\n }\n // solhint-enable max-line-length\n\n struct OrderInfo {\n uint8 orderStatus; // Status that describes order's validity and fillability.\n bytes32 orderHash; // EIP712 hash of the order (see LibOrder.getOrderHash).\n uint256 orderTakerAssetFilledAmount; // Amount of order that has already been filled.\n }\n\n /// @dev Calculates Keccak-256 hash of the order.\n /// @param order The order structure.\n /// @return Keccak-256 EIP712 hash of the order.\n function getOrderHash(Order memory order)\n internal\n view\n returns (bytes32 orderHash)\n {\n orderHash = hashEIP712Message(hashOrder(order));\n return orderHash;\n }\n\n /// @dev Calculates EIP712 hash of the order.\n /// @param order The order structure.\n /// @return EIP712 hash of the order.\n function hashOrder(Order memory order)\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ORDER_SCHEMA_HASH;\n bytes32 makerAssetDataHash = keccak256(order.makerAssetData);\n bytes32 takerAssetDataHash = keccak256(order.takerAssetData);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ORDER_SCHEMA_HASH,\n // bytes32(order.makerAddress),\n // bytes32(order.takerAddress),\n // bytes32(order.feeRecipientAddress),\n // bytes32(order.senderAddress),\n // order.makerAssetAmount,\n // order.takerAssetAmount,\n // order.makerFee,\n // order.takerFee,\n // order.expirationTimeSeconds,\n // order.salt,\n // keccak256(order.makerAssetData),\n // keccak256(order.takerAssetData)\n // ));\n\n assembly {\n // Calculate memory addresses that will be swapped out before hashing\n let pos1 := sub(order, 32)\n let pos2 := add(order, 320)\n let pos3 := add(order, 352)\n\n // Backup\n let temp1 := mload(pos1)\n let temp2 := mload(pos2)\n let temp3 := mload(pos3)\n \n // Hash in place\n mstore(pos1, schemaHash)\n mstore(pos2, makerAssetDataHash)\n mstore(pos3, takerAssetDataHash)\n result := keccak256(pos1, 416)\n \n // Restore\n mstore(pos1, temp1)\n mstore(pos2, temp2)\n mstore(pos3, temp3)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssetProxyDispatcher.sol\";\n\n\ncontract MAssetProxyDispatcher is\n IAssetProxyDispatcher\n{\n // Logs registration of new asset proxy\n event AssetProxyRegistered(\n bytes4 id, // Id of new registered AssetProxy.\n address assetProxy // Address of new registered AssetProxy.\n );\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IExchangeCore.sol\";\n\n\ncontract MExchangeCore is\n IExchangeCore\n{\n // Fill event is emitted whenever an order is filled.\n event Fill(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that received fees.\n address takerAddress, // Address that filled the order.\n address senderAddress, // Address that called the Exchange contract (msg.sender).\n uint256 makerAssetFilledAmount, // Amount of makerAsset sold by maker and bought by taker. \n uint256 takerAssetFilledAmount, // Amount of takerAsset sold by taker and bought by maker.\n uint256 makerFeePaid, // Amount of ZRX paid to feeRecipient by maker.\n uint256 takerFeePaid, // Amount of ZRX paid to feeRecipient by taker.\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // Cancel event is emitted whenever an individual order is cancelled.\n event Cancel(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that would have recieved fees if order was filled. \n address senderAddress, // Address that called the Exchange contract (msg.sender).\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // CancelUpTo event is emitted whenever `cancelOrdersUpTo` is executed succesfully.\n event CancelUpTo(\n address indexed makerAddress, // Orders cancelled must have been created by this address.\n address indexed senderAddress, // Orders cancelled must have a `senderAddress` equal to this address.\n uint256 orderEpoch // Orders with specified makerAddress and senderAddress with a salt less than this value are considered cancelled.\n );\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrderInternal(LibOrder.Order memory order)\n internal;\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function updateFilledState(\n LibOrder.Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n LibFillResults.FillResults memory fillResults\n )\n internal;\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n LibOrder.Order memory order,\n bytes32 orderHash\n )\n internal;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo Status, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view;\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo\n )\n internal\n view;\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n LibOrder.Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.FillResults memory fillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IMatchOrders.sol\";\n\n\ncontract MMatchOrders is\n IMatchOrders\n{\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure;\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/ISignatureValidator.sol\";\n\n\ncontract MSignatureValidator is\n ISignatureValidator\n{\n event SignatureValidatorApproval(\n address indexed signerAddress, // Address that approves or disapproves a contract to verify signatures.\n address indexed validatorAddress, // Address of signature validator contract.\n bool approved // Approval or disapproval of validator contract.\n );\n\n // Allowed signature types.\n enum SignatureType {\n Illegal, // 0x00, default value\n Invalid, // 0x01\n EIP712, // 0x02\n EthSign, // 0x03\n Wallet, // 0x04\n Validator, // 0x05\n PreSigned, // 0x06\n NSignatureTypes // 0x07, number of signature types. Always leave at end.\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"../interfaces/ITransactions.sol\";\n\n\ncontract MTransactions is\n ITransactions\n{\n // Hash for the EIP712 ZeroEx Transaction Schema\n bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"ZeroExTransaction(\",\n \"uint256 salt,\",\n \"address signerAddress,\",\n \"bytes data\",\n \")\"\n ));\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result);\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address);\n}\n", + "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IWrapperFunctions.sol\";\n\n\ncontract MWrapperFunctions is \n IWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n}\n", + "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/MintableERC20Token.sol\";\n\n\ncontract DummyERC20Token is \n Ownable,\n MintableERC20Token\n{\n string public name;\n string public symbol;\n uint256 public decimals;\n uint256 public constant MAX_MINT_AMOUNT = 10000000000000000000000;\n\n constructor (\n string _name,\n string _symbol,\n uint256 _decimals,\n uint256 _totalSupply\n )\n public\n {\n name = _name;\n symbol = _symbol;\n decimals = _decimals;\n _totalSupply = _totalSupply;\n balances[msg.sender] = _totalSupply;\n }\n\n /// @dev Sets the balance of target address\n /// @param _target Address or which balance will be updated\n /// @param _value New balance of target address\n function setBalance(address _target, uint256 _value)\n external\n onlyOwner\n {\n uint256 currBalance = balances[_target];\n if (_value < currBalance) {\n _totalSupply = safeSub(_totalSupply, safeSub(currBalance, _value));\n } else {\n _totalSupply = safeAdd(_totalSupply, safeSub(_value, currBalance));\n }\n balances[_target] = _value;\n }\n\n /// @dev Mints new tokens for sender\n /// @param _value Amount of tokens to mint\n function mint(uint256 _value)\n external\n {\n require(\n _value <= MAX_MINT_AMOUNT,\n \"VALUE_TOO_LARGE\"\n );\n\n _mint(msg.sender, _value);\n }\n}\n", + "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../tokens/ERC721Token/MintableERC721Token.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract DummyERC721Token is\n Ownable,\n MintableERC721Token\n{\n string public name;\n string public symbol;\n\n constructor (\n string _name,\n string _symbol\n )\n public\n {\n name = _name;\n symbol = _symbol;\n }\n\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function mint(address _to, uint256 _tokenId)\n external\n {\n _mint(_to, _tokenId);\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist or not called by contract owner\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function burn(address _owner, uint256 _tokenId)\n external\n onlyOwner\n {\n _burn(_owner, _tokenId);\n }\n}\n", + "2.0.0/tokens/ERC20Token/ERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC20Token.sol\";\n\n\ncontract ERC20Token is\n IERC20Token\n{\n mapping (address => uint256) internal balances;\n mapping (address => mapping (address => uint256)) internal allowed;\n\n uint256 internal _totalSupply;\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool)\n {\n require(\n balances[msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[msg.sender] -= _value;\n balances[_to] += _value;\n\n emit Transfer(\n msg.sender,\n _to,\n _value\n );\n\n return true;\n }\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowed[_from][msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n allowed[_from][msg.sender] -= _value;\n \n emit Transfer(\n _from,\n _to,\n _value\n );\n \n return true;\n }\n\n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool)\n {\n allowed[msg.sender][_spender] = _value;\n emit Approval(\n msg.sender,\n _spender,\n _value\n );\n return true;\n }\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256)\n {\n return _totalSupply;\n }\n\n /// @dev Query the balance of owner\n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n return balances[_owner];\n }\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256)\n {\n return allowed[_owner][_spender];\n }\n}\n", + "2.0.0/tokens/ERC20Token/IERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n \n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n \n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", + "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/SafeMath/SafeMath.sol\";\nimport \"./UnlimitedAllowanceERC20Token.sol\";\n\n\ncontract MintableERC20Token is \n SafeMath,\n UnlimitedAllowanceERC20Token\n{\n /// @dev Mints new tokens\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _value Amount of tokens to mint\n function _mint(address _to, uint256 _value)\n internal\n {\n balances[_to] = safeAdd(_value, balances[_to]);\n _totalSupply = safeAdd(_totalSupply, _value);\n\n emit Transfer(\n address(0),\n _to,\n _value\n );\n }\n\n /// @dev Mints new tokens\n /// @param _owner Owner of tokens that will be burned\n /// @param _value Amount of tokens to burn\n function _burn(address _owner, uint256 _value)\n internal\n {\n balances[_owner] = safeSub(balances[_owner], _value);\n _totalSupply = safeSub(_totalSupply, _value);\n\n emit Transfer(\n _owner,\n address(0),\n _value\n );\n }\n}\n", + "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/ERC20Token.sol\";\n\n\ncontract UnlimitedAllowanceERC20Token is\n ERC20Token\n{\n uint256 constant internal MAX_UINT = 2**256 - 1;\n\n /// @dev ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited allowance. See https://github.com/ethereum/EIPs/issues/717\n /// @param _from Address to transfer from.\n /// @param _to Address to transfer to.\n /// @param _value Amount to transfer.\n /// @return Success of transfer.\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n uint256 allowance = allowed[_from][msg.sender];\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowance >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n if (allowance < MAX_UINT) {\n allowed[_from][msg.sender] -= _value;\n }\n\n emit Transfer(\n _from,\n _to,\n _value\n );\n\n return true;\n }\n}\n", + "2.0.0/tokens/ERC721Token/ERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC721Token.sol\";\nimport \"./IERC721Receiver.sol\";\nimport \"../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract ERC721Token is\n IERC721Token,\n SafeMath\n{\n // Function selector for ERC721Receiver.onERC721Received\n // 0x150b7a02\n bytes4 constant internal ERC721_RECEIVED = bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"));\n\n // Mapping of tokenId => owner\n mapping (uint256 => address) internal owners;\n\n // Mapping of tokenId => approved address\n mapping (uint256 => address) internal approvals;\n\n // Mapping of owner => number of tokens owned\n mapping (address => uint256) internal balances;\n\n // Mapping of owner => operator => approved\n mapping (address => mapping (address => bool)) internal operatorApprovals;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n _data\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n \"\"\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external\n {\n address owner = ownerOf(_tokenId);\n require(\n msg.sender == owner || isApprovedForAll(owner, msg.sender),\n \"ERC721_INVALID_SENDER\"\n );\n\n approvals[_tokenId] = _approved;\n emit Approval(\n owner,\n _approved,\n _tokenId\n );\n }\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external\n {\n operatorApprovals[msg.sender][_operator] = _approved;\n emit ApprovalForAll(\n msg.sender,\n _operator,\n _approved\n );\n }\n \n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return balances[_owner];\n }\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = ownerOf(_tokenId);\n require(\n _from == owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n address spender = msg.sender;\n address approvedAddress = getApproved(_tokenId);\n require(\n spender == owner ||\n isApprovedForAll(owner, spender) ||\n approvedAddress == spender,\n \"ERC721_INVALID_SPENDER\"\n );\n\n if (approvedAddress != address(0)) {\n approvals[_tokenId] = address(0);\n }\n\n owners[_tokenId] = _to;\n balances[_from] = safeSub(balances[_from], 1);\n balances[_to] = safeAdd(balances[_to], 1);\n \n emit Transfer(\n _from,\n _to,\n _tokenId\n );\n }\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address)\n {\n address owner = owners[_tokenId];\n require(\n owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return owner;\n }\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId)\n public\n view\n returns (address)\n {\n return approvals[_tokenId];\n }\n\n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool)\n {\n return operatorApprovals[_owner][_operator];\n }\n}\n", + "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Receiver {\n\n /// @notice Handle the receipt of an NFT\n /// @dev The ERC721 smart contract calls this function on the recipient\n /// after a `transfer`. This function MAY throw to revert and reject the\n /// transfer. Return of other than the magic value MUST result in the\n /// transaction being reverted.\n /// Note: the contract address is always the message sender.\n /// @param _operator The address which called `safeTransferFrom` function\n /// @param _from The address which previously owned the token\n /// @param _tokenId The NFT identifier which is being transferred\n /// @param _data Additional data with no specified format\n /// @return `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`\n /// unless throwing\n function onERC721Received(\n address _operator,\n address _from,\n uint256 _tokenId,\n bytes _data\n )\n external\n returns (bytes4);\n}\n", + "2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Token {\n\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(\n address indexed _owner,\n address indexed _approved,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(\n address indexed _owner,\n address indexed _operator,\n bool _approved\n );\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// perator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external;\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public;\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address);\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) \n public\n view\n returns (address);\n \n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool);\n}\n", + "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./ERC721Token.sol\";\n\n\ncontract MintableERC721Token is\n ERC721Token\n{\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function _mint(address _to, uint256 _tokenId)\n internal\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == address(0),\n \"ERC721_OWNER_ALREADY_EXISTS\"\n );\n\n owners[_tokenId] = _to;\n balances[_to] = safeAdd(balances[_to], 1);\n\n emit Transfer(\n address(0),\n _to,\n _tokenId\n );\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function _burn(address _owner, uint256 _tokenId)\n internal\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == _owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n owners[_tokenId] = address(0);\n balances[_owner] = safeSub(balances[_owner], 1);\n\n emit Transfer(\n _owner,\n address(0),\n _tokenId\n );\n }\n}\n", + "2.0.0/tokens/EtherToken/IEtherToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/IERC20Token.sol\";\n\n\ncontract IEtherToken is\n IERC20Token\n{\n function deposit()\n public\n payable;\n \n function withdraw(uint256 amount)\n public;\n}\n", + "2.0.0/utils/LibBytes/LibBytes.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\nlibrary LibBytes {\n\n using LibBytes for bytes;\n\n /// @dev Gets the memory address for a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of byte array. This\n /// points to the header of the byte array which contains\n /// the length.\n function rawAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := input\n }\n return memoryAddress;\n }\n \n /// @dev Gets the memory address for the contents of a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of the contents of the byte array.\n function contentAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := add(input, 32)\n }\n return memoryAddress;\n }\n\n /// @dev Copies `length` bytes from memory location `source` to `dest`.\n /// @param dest memory address to copy bytes to.\n /// @param source memory address to copy bytes from.\n /// @param length number of bytes to copy.\n function memCopy(\n uint256 dest,\n uint256 source,\n uint256 length\n )\n internal\n pure\n {\n if (length < 32) {\n // Handle a partial word by reading destination and masking\n // off the bits we are interested in.\n // This correctly handles overlap, zero lengths and source == dest\n assembly {\n let mask := sub(exp(256, sub(32, length)), 1)\n let s := and(mload(source), not(mask))\n let d := and(mload(dest), mask)\n mstore(dest, or(s, d))\n }\n } else {\n // Skip the O(length) loop when source == dest.\n if (source == dest) {\n return;\n }\n\n // For large copies we copy whole words at a time. The final\n // word is aligned to the end of the range (instead of after the\n // previous) to handle partial words. So a copy will look like this:\n //\n // ####\n // ####\n // ####\n // ####\n //\n // We handle overlap in the source and destination range by\n // changing the copying direction. This prevents us from\n // overwriting parts of source that we still need to copy.\n //\n // This correctly handles source == dest\n //\n if (source > dest) {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because it\n // is easier to compare with in the loop, and these\n // are also the addresses we need for copying the\n // last bytes.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the last 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the last bytes in\n // source already due to overlap.\n let last := mload(sEnd)\n\n // Copy whole words front to back\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} lt(source, sEnd) {} {\n mstore(dest, mload(source))\n source := add(source, 32)\n dest := add(dest, 32)\n }\n \n // Write the last 32 bytes\n mstore(dEnd, last)\n }\n } else {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because those\n // are the starting points when copying a word at the end.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the first 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the first bytes in\n // source already due to overlap.\n let first := mload(source)\n\n // Copy whole words back to front\n // We use a signed comparisson here to allow dEnd to become\n // negative (happens when source and dest < 32). Valid\n // addresses in local memory will never be larger than\n // 2**255, so they can be safely re-interpreted as signed.\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} slt(dest, dEnd) {} {\n mstore(dEnd, mload(sEnd))\n sEnd := sub(sEnd, 32)\n dEnd := sub(dEnd, 32)\n }\n \n // Write the first 32 bytes\n mstore(dest, first)\n }\n }\n }\n }\n\n /// @dev Returns a slices from a byte array.\n /// @param b The byte array to take a slice from.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n function slice(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure and copy contents\n result = new bytes(to - from);\n memCopy(\n result.contentAddress(),\n b.contentAddress() + from,\n result.length\n );\n return result;\n }\n \n /// @dev Returns a slice from a byte array without preserving the input.\n /// @param b The byte array to take a slice from. Will be destroyed in the process.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n /// @dev When `from == 0`, the original array will match the slice. In other cases its state will be corrupted.\n function sliceDestructive(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure around [from, to) in-place.\n assembly {\n result := add(b, from)\n mstore(result, sub(to, from))\n }\n return result;\n }\n\n /// @dev Pops the last byte off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The byte that was popped off.\n function popLastByte(bytes memory b)\n internal\n pure\n returns (bytes1 result)\n {\n require(\n b.length > 0,\n \"GREATER_THAN_ZERO_LENGTH_REQUIRED\"\n );\n\n // Store last byte.\n result = b[b.length - 1];\n\n assembly {\n // Decrement length of byte array.\n let newLen := sub(mload(b), 1)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Pops the last 20 bytes off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The 20 byte address that was popped off.\n function popLast20Bytes(bytes memory b)\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= 20,\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Store last 20 bytes.\n result = readAddress(b, b.length - 20);\n\n assembly {\n // Subtract 20 from byte array length.\n let newLen := sub(mload(b), 20)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Tests equality of two byte arrays.\n /// @param lhs First byte array to compare.\n /// @param rhs Second byte array to compare.\n /// @return True if arrays are the same. False otherwise.\n function equals(\n bytes memory lhs,\n bytes memory rhs\n )\n internal\n pure\n returns (bool equal)\n {\n // Keccak gas cost is 30 + numWords * 6. This is a cheap way to compare.\n // We early exit on unequal lengths, but keccak would also correctly\n // handle this.\n return lhs.length == rhs.length && keccak256(lhs) == keccak256(rhs);\n }\n\n /// @dev Reads an address from a position in a byte array.\n /// @param b Byte array containing an address.\n /// @param index Index in byte array of address.\n /// @return address from byte array.\n function readAddress(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Read address from array memory\n assembly {\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 20-byte mask to obtain address\n result := and(mload(add(b, index)), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n return result;\n }\n\n /// @dev Writes an address into a specific position in a byte array.\n /// @param b Byte array to insert address into.\n /// @param index Index in byte array of address.\n /// @param input Address to put into byte array.\n function writeAddress(\n bytes memory b,\n uint256 index,\n address input\n )\n internal\n pure\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Store address into array memory\n assembly {\n // The address occupies 20 bytes and mstore stores 32 bytes.\n // First fetch the 32-byte word where we'll be storing the address, then\n // apply a mask so we have only the bytes in the word that the address will not occupy.\n // Then combine these bytes with the address and store the 32 bytes back to memory with mstore.\n\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 12-byte mask to obtain extra bytes occupying word of memory where we'll store the address\n let neighbors := and(\n mload(add(b, index)),\n 0xffffffffffffffffffffffff0000000000000000000000000000000000000000\n )\n \n // Make sure input address is clean.\n // (Solidity does not guarantee this)\n input := and(input, 0xffffffffffffffffffffffffffffffffffffffff)\n\n // Store the neighbors and address into memory\n mstore(add(b, index), xor(input, neighbors))\n }\n }\n\n /// @dev Reads a bytes32 value from a position in a byte array.\n /// @param b Byte array containing a bytes32 value.\n /// @param index Index in byte array of bytes32 value.\n /// @return bytes32 value from byte array.\n function readBytes32(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes32 result)\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n result := mload(add(b, index))\n }\n return result;\n }\n\n /// @dev Writes a bytes32 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes32 to put into byte array.\n function writeBytes32(\n bytes memory b,\n uint256 index,\n bytes32 input\n )\n internal\n pure\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n mstore(add(b, index), input)\n }\n }\n\n /// @dev Reads a uint256 value from a position in a byte array.\n /// @param b Byte array containing a uint256 value.\n /// @param index Index in byte array of uint256 value.\n /// @return uint256 value from byte array.\n function readUint256(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (uint256 result)\n {\n result = uint256(readBytes32(b, index));\n return result;\n }\n\n /// @dev Writes a uint256 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input uint256 to put into byte array.\n function writeUint256(\n bytes memory b,\n uint256 index,\n uint256 input\n )\n internal\n pure\n {\n writeBytes32(b, index, bytes32(input));\n }\n\n /// @dev Reads an unpadded bytes4 value from a position in a byte array.\n /// @param b Byte array containing a bytes4 value.\n /// @param index Index in byte array of bytes4 value.\n /// @return bytes4 value from byte array.\n function readBytes4(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes4 result)\n {\n require(\n b.length >= index + 4,\n \"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 32 byte length field\n index += 32;\n\n // Read the bytes4 from array memory\n assembly {\n result := mload(add(b, index))\n // Solidity does not require us to clean the trailing bytes.\n // We do it anyway\n result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)\n }\n return result;\n }\n\n /// @dev Reads nested bytes from a specific position.\n /// @dev NOTE: the returned value overlaps with the input value.\n /// Both should be treated as immutable.\n /// @param b Byte array containing nested bytes.\n /// @param index Index of nested bytes.\n /// @return result Nested bytes.\n function readBytesWithLength(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes memory result)\n {\n // Read length of nested bytes\n uint256 nestedBytesLength = readUint256(b, index);\n index += 32;\n\n // Assert length of is valid, given\n // length of nested bytes\n require(\n b.length >= index + nestedBytesLength,\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n \n // Return a pointer to the byte array as it exists inside `b`\n assembly {\n result := add(b, index)\n }\n return result;\n }\n\n /// @dev Inserts bytes at a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes to insert.\n function writeBytesWithLength(\n bytes memory b,\n uint256 index,\n bytes memory input\n )\n internal\n pure\n {\n // Assert length of is valid, given\n // length of input\n require(\n b.length >= index + 32 + input.length, // 32 bytes to store length\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n\n // Copy into \n memCopy(\n b.contentAddress() + index,\n input.rawAddress(), // includes length of \n input.length + 32 // +32 bytes to store length\n );\n }\n\n /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length.\n /// @param dest Byte array that will be overwritten with source bytes.\n /// @param source Byte array to copy onto dest bytes.\n function deepCopyBytes(\n bytes memory dest,\n bytes memory source\n )\n internal\n pure\n {\n uint256 sourceLen = source.length;\n // Dest length must be >= source length, or some bytes would not be copied.\n require(\n dest.length >= sourceLen,\n \"GREATER_OR_EQUAL_TO_SOURCE_BYTES_LENGTH_REQUIRED\"\n );\n memCopy(\n dest.contentAddress(),\n source.contentAddress(),\n sourceLen\n );\n }\n}\n", + "2.0.0/utils/Ownable/IOwnable.sol": "pragma solidity 0.4.24;\n\n\ncontract IOwnable {\n\n function transferOwnership(address newOwner)\n public;\n}\n", + "2.0.0/utils/Ownable/Ownable.sol": "pragma solidity 0.4.24;\n\nimport \"./IOwnable.sol\";\n\n\ncontract Ownable is\n IOwnable\n{\n address public owner;\n\n constructor ()\n public\n {\n owner = msg.sender;\n }\n\n modifier onlyOwner() {\n require(\n msg.sender == owner,\n \"ONLY_CONTRACT_OWNER\"\n );\n _;\n }\n\n function transferOwnership(address newOwner)\n public\n onlyOwner\n {\n if (newOwner != address(0)) {\n owner = newOwner;\n }\n }\n}\n", + "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ReentrancyGuard {\n\n // Locked state of mutex\n bool private locked = false;\n\n /// @dev Functions with this modifer cannot be reentered. The mutex will be locked\n /// before function execution and unlocked after.\n modifier nonReentrant() {\n // Ensure mutex is unlocked\n require(\n !locked,\n \"REENTRANCY_ILLEGAL\"\n );\n\n // Lock mutex before function call\n locked = true;\n\n // Perform function call\n _;\n\n // Unlock mutex after function call\n locked = false;\n }\n}\n", + "2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n\n function safeMul(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(\n c / a == b,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function safeDiv(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a / b;\n return c;\n }\n\n function safeSub(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n require(\n b <= a,\n \"UINT256_UNDERFLOW\"\n );\n return a - b;\n }\n\n function safeAdd(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a + b;\n require(\n c >= a,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function max64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n\n function max256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n}\n" + }, + "sourceTreeHashHex": "0x93eec0587c0db8b68951a9c0c348c14e22831361b7fe38bb2d29a09ad670e10d", + "compiler": { + "name": "solc", + "version": "soljson-v0.4.24+commit.e67f0147.js", + "settings": { + "optimizer": { + "enabled": true, + "runs": 1000000 + }, + "outputSelection": { + "*": { + "*": [ + "abi", + "evm.bytecode.object", + "evm.bytecode.sourceMap", + "evm.deployedBytecode.object", + "evm.deployedBytecode.sourceMap" + ] + } + } + } + }, + "networks": { + "3": { + "address": "0xe654aac058bfbf9f83fcaee7793311dd82f6ddb4", + "links": {}, + "constructorArgs": "[]" + }, + "42": { + "address": "0x2a9127c745688a165106c11cd4d647d2220af821", + "links": {}, + "constructorArgs": "[]" + }, + "50": { + "address": "0x1d7022f5b17d2f8b695918fb48fa1089c9f85401", + "links": {}, + "constructorArgs": "[]" + } + } +} diff --git a/packages/migrations/artifacts/2.0.0-testnet/ERC721Token.json b/packages/migrations/artifacts/2.0.0-testnet/ERC721Token.json new file mode 100644 index 000000000..ceb374730 --- /dev/null +++ b/packages/migrations/artifacts/2.0.0-testnet/ERC721Token.json @@ -0,0 +1,565 @@ +{ + "schemaVersion": "2.0.0", + "contractName": "ERC721Token", + "compilerOutput": { + "abi": [ + { + "constant": true, + "inputs": [ + { + "name": "_tokenId", + "type": "uint256" + } + ], + "name": "getApproved", + "outputs": [ + { + "name": "", + "type": "address" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_approved", + "type": "address" + }, + { + "name": "_tokenId", + "type": "uint256" + } + ], + "name": "approve", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_from", + "type": "address" + }, + { + "name": "_to", + "type": "address" + }, + { + "name": "_tokenId", + "type": "uint256" + } + ], + "name": "transferFrom", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_from", + "type": "address" + }, + { + "name": "_to", + "type": "address" + }, + { + "name": "_tokenId", + "type": "uint256" + } + ], + "name": "safeTransferFrom", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "_tokenId", + "type": "uint256" + } + ], + "name": "ownerOf", + "outputs": [ + { + "name": "", + "type": "address" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "_owner", + "type": "address" + } + ], + "name": "balanceOf", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_operator", + "type": "address" + }, + { + "name": "_approved", + "type": "bool" + } + ], + "name": "setApprovalForAll", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_from", + "type": "address" + }, + { + "name": "_to", + "type": "address" + }, + { + "name": "_tokenId", + "type": "uint256" + }, + { + "name": "_data", + "type": "bytes" + } + ], + "name": "safeTransferFrom", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "_owner", + "type": "address" + }, + { + "name": "_operator", + "type": "address" + } + ], + "name": "isApprovedForAll", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "_from", + "type": "address" + }, + { + "indexed": true, + "name": "_to", + "type": "address" + }, + { + "indexed": true, + "name": "_tokenId", + "type": "uint256" + } + ], + "name": "Transfer", + "type": "event" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "_owner", + "type": "address" + }, + { + "indexed": true, + "name": "_approved", + "type": "address" + }, + { + "indexed": true, + "name": "_tokenId", + "type": "uint256" + } + ], + "name": "Approval", + "type": "event" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "_owner", + "type": "address" + }, + { + "indexed": true, + "name": "_operator", + "type": "address" + }, + { + "indexed": false, + "name": "_approved", + "type": "bool" + } + ], + "name": "ApprovalForAll", + "type": "event" + } + ], + "evm": { + "bytecode": { + "linkReferences": {}, + "object": 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JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 DUP2 AND SWAP2 DUP3 OR SWAP1 SWAP3 SSTORE SWAP2 MLOAD DUP6 SWAP4 SWAP2 DUP6 AND SWAP2 PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 SWAP2 LOG4 POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP6 AND ISZERO ISZERO PUSH2 0x46C JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F544F5F4144445245535300000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH2 0x475 DUP5 PUSH2 0x90F JUMP JUMPDEST SWAP3 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 DUP2 AND SWAP1 DUP5 AND EQ PUSH2 0x4FE JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F4F574E45525F4D49534D415443480000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST CALLER SWAP2 POP PUSH2 0x50A DUP5 PUSH2 0x298 JUMP JUMPDEST SWAP1 POP DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ DUP1 PUSH2 0x54B JUMPI POP PUSH2 0x54B DUP4 DUP4 PUSH2 0xCD4 JUMP JUMPDEST DUP1 PUSH2 0x581 JUMPI POP DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ JUMPDEST ISZERO ISZERO PUSH2 0x5EE JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F5350454E44455200000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0x63F JUMPI PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND SWAP1 SSTORE JUMPDEST PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP11 DUP2 AND SWAP2 SWAP1 SWAP2 OR SWAP1 SWAP2 SSTORE DUP10 AND DUP4 MSTORE PUSH1 0x2 SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 SLOAD PUSH2 0x6A8 SWAP1 PUSH1 0x1 PUSH2 0xD0F JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP9 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 SWAP4 SWAP1 SWAP4 SSTORE SWAP1 DUP8 AND DUP2 MSTORE KECCAK256 SLOAD PUSH2 0x6E5 SWAP1 PUSH1 0x1 PUSH2 0xD86 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP8 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 SWAP5 SWAP1 SWAP5 SSTORE SWAP3 MLOAD DUP8 SWAP4 SWAP2 SWAP3 DUP11 AND SWAP2 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP2 LOG4 POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0x752 DUP6 DUP6 DUP6 PUSH2 0x3E4 JUMP JUMPDEST DUP4 EXTCODESIZE SWAP2 POP PUSH1 0x0 DUP3 GT ISZERO PUSH2 0x908 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x150B7A0200000000000000000000000000000000000000000000000000000000 DUP2 MSTORE CALLER PUSH1 0x4 DUP3 ADD MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 DUP2 AND PUSH1 0x24 DUP4 ADD MSTORE PUSH1 0x44 DUP3 ADD DUP7 SWAP1 MSTORE PUSH1 0x80 PUSH1 0x64 DUP4 ADD MSTORE PUSH1 0x0 PUSH1 0x84 DUP4 ADD DUP2 SWAP1 MSTORE SWAP3 MLOAD SWAP1 DUP8 AND SWAP3 PUSH4 0x150B7A02 SWAP3 PUSH1 0xC4 DUP1 DUP3 ADD SWAP4 PUSH1 0x20 SWAP4 SWAP1 SWAP3 DUP4 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 DUP3 SWAP1 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x7EF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x803 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x20 DUP2 LT ISZERO PUSH2 0x819 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP MLOAD PUSH1 0x40 DUP1 MLOAD PUSH32 0x6F6E455243373231526563656976656428616464726573732C61646472657373 DUP2 MSTORE PUSH32 0x2C75696E743235362C6279746573290000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x2F ADD SWAP1 KECCAK256 SWAP1 SWAP2 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP1 DUP4 AND SWAP2 AND EQ PUSH2 0x908 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x17 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F53454C4543544F52000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP2 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP1 ISZERO ISZERO PUSH2 0x9A2 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F4F574E4552000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND ISZERO ISZERO PUSH2 0xA2E JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F4F574E4552000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD SWAP1 JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP1 DUP6 MSTORE SWAP1 DUP4 MSTORE SWAP3 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND DUP7 ISZERO ISZERO SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP2 MLOAD SWAP1 DUP2 MSTORE SWAP1 MLOAD SWAP3 SWAP4 SWAP3 PUSH32 0x17307EAB39AB6107E8899845AD3D59BD9653F200F220920489CA2B5937696C31 SWAP3 SWAP2 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0xAFE DUP8 DUP8 DUP8 PUSH2 0x3E4 JUMP JUMPDEST DUP6 EXTCODESIZE SWAP2 POP PUSH1 0x0 DUP3 GT ISZERO PUSH2 0xCCB JUMPI PUSH1 0x40 MLOAD PUSH32 0x150B7A0200000000000000000000000000000000000000000000000000000000 DUP2 MSTORE CALLER PUSH1 0x4 DUP3 ADD DUP2 DUP2 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP11 DUP2 AND PUSH1 0x24 DUP6 ADD MSTORE PUSH1 0x44 DUP5 ADD DUP10 SWAP1 MSTORE PUSH1 0x80 PUSH1 0x64 DUP6 ADD SWAP1 DUP2 MSTORE PUSH1 0x84 DUP6 ADD DUP9 SWAP1 MSTORE SWAP1 DUP11 AND SWAP4 PUSH4 0x150B7A02 SWAP4 SWAP3 DUP13 SWAP3 DUP12 SWAP3 DUP12 SWAP3 DUP12 SWAP3 SWAP1 SWAP2 PUSH1 0xA4 ADD DUP5 DUP5 DUP1 DUP3 DUP5 CALLDATACOPY DUP3 ADD SWAP2 POP POP SWAP7 POP POP POP POP POP POP POP PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0xBB2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0xBC6 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x20 DUP2 LT ISZERO PUSH2 0xBDC JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP MLOAD PUSH1 0x40 DUP1 MLOAD PUSH32 0x6F6E455243373231526563656976656428616464726573732C61646472657373 DUP2 MSTORE PUSH32 0x2C75696E743235362C6279746573290000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x2F ADD SWAP1 KECCAK256 SWAP1 SWAP2 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP1 DUP4 AND SWAP2 AND EQ PUSH2 0xCCB JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x17 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F53454C4543544F52000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP POP POP POP POP POP POP JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP2 DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP4 SWAP1 SWAP5 AND DUP3 MSTORE SWAP2 SWAP1 SWAP2 MSTORE KECCAK256 SLOAD PUSH1 0xFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 GT ISZERO PUSH2 0xD80 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F554E444552464C4F57000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP SWAP1 SUB SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 ADD DUP4 DUP2 LT ISZERO PUSH2 0xDFA JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST SWAP4 SWAP3 POP POP POP JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 PUSH20 0x18C14C91209A554964C5F972B95A90FE384DD7DD SWAP7 0xcc REVERT MOD MULMOD SLOAD 0x4e PUSH5 0x39C3C90029 ", + "sourceMap": "712:8295:56:-;;;;8:9:-1;5:2;;;30:1;27;20:12;5:2;712:8295:56;;;;;;;" + }, + "deployedBytecode": { + "linkReferences": {}, + "object": 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+ "opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0x98 JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x81812FC DUP2 EQ PUSH2 0x9D JUMPI DUP1 PUSH4 0x95EA7B3 EQ PUSH2 0xDE JUMPI DUP1 PUSH4 0x23B872DD EQ PUSH2 0x111 JUMPI DUP1 PUSH4 0x42842E0E EQ PUSH2 0x148 JUMPI DUP1 PUSH4 0x6352211E EQ PUSH2 0x17F JUMPI DUP1 PUSH4 0x70A08231 EQ PUSH2 0x197 JUMPI DUP1 PUSH4 0xA22CB465 EQ PUSH2 0x1D7 JUMPI DUP1 PUSH4 0xB88D4FDE EQ PUSH2 0x20A JUMPI DUP1 PUSH4 0xE985E9C5 EQ PUSH2 0x250 JUMPI JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xA9 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xB5 PUSH1 0x4 CALLDATALOAD PUSH2 0x298 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xEA JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x10F PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x2C0 JUMP JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x11D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x10F PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x3E4 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x154 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x10F PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x744 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x18B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xB5 PUSH1 0x4 CALLDATALOAD PUSH2 0x90F JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1A3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1C5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x9A8 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1E3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x10F PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD ISZERO ISZERO PUSH2 0xA57 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x216 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x10F PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 DUP1 CALLDATALOAD DUP3 AND SWAP2 PUSH1 0x24 DUP1 CALLDATALOAD SWAP1 SWAP2 AND SWAP2 PUSH1 0x44 CALLDATALOAD SWAP2 PUSH1 0x64 CALLDATALOAD SWAP1 DUP2 ADD SWAP2 ADD CALLDATALOAD PUSH2 0xAF0 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x25C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x284 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0xCD4 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x2CB DUP3 PUSH2 0x90F JUMP JUMPDEST SWAP1 POP CALLER PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND EQ DUP1 PUSH2 0x2F6 JUMPI POP PUSH2 0x2F6 DUP2 CALLER PUSH2 0xCD4 JUMP JUMPDEST ISZERO ISZERO PUSH2 0x363 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F53454E4445520000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 DUP2 AND SWAP2 DUP3 OR SWAP1 SWAP3 SSTORE SWAP2 MLOAD DUP6 SWAP4 SWAP2 DUP6 AND SWAP2 PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 SWAP2 LOG4 POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP6 AND ISZERO ISZERO PUSH2 0x46C JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F544F5F4144445245535300000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH2 0x475 DUP5 PUSH2 0x90F JUMP JUMPDEST SWAP3 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 DUP2 AND SWAP1 DUP5 AND EQ PUSH2 0x4FE JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F4F574E45525F4D49534D415443480000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST CALLER SWAP2 POP PUSH2 0x50A DUP5 PUSH2 0x298 JUMP JUMPDEST SWAP1 POP DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ DUP1 PUSH2 0x54B JUMPI POP PUSH2 0x54B DUP4 DUP4 PUSH2 0xCD4 JUMP JUMPDEST DUP1 PUSH2 0x581 JUMPI POP DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ JUMPDEST ISZERO ISZERO PUSH2 0x5EE JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F5350454E44455200000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0x63F JUMPI PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND SWAP1 SSTORE JUMPDEST PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP11 DUP2 AND SWAP2 SWAP1 SWAP2 OR SWAP1 SWAP2 SSTORE DUP10 AND DUP4 MSTORE PUSH1 0x2 SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 SLOAD PUSH2 0x6A8 SWAP1 PUSH1 0x1 PUSH2 0xD0F JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP9 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 SWAP4 SWAP1 SWAP4 SSTORE SWAP1 DUP8 AND DUP2 MSTORE KECCAK256 SLOAD PUSH2 0x6E5 SWAP1 PUSH1 0x1 PUSH2 0xD86 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP8 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 SWAP5 SWAP1 SWAP5 SSTORE SWAP3 MLOAD DUP8 SWAP4 SWAP2 SWAP3 DUP11 AND SWAP2 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP2 LOG4 POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0x752 DUP6 DUP6 DUP6 PUSH2 0x3E4 JUMP JUMPDEST DUP4 EXTCODESIZE SWAP2 POP PUSH1 0x0 DUP3 GT ISZERO PUSH2 0x908 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x150B7A0200000000000000000000000000000000000000000000000000000000 DUP2 MSTORE CALLER PUSH1 0x4 DUP3 ADD MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 DUP2 AND PUSH1 0x24 DUP4 ADD MSTORE PUSH1 0x44 DUP3 ADD DUP7 SWAP1 MSTORE PUSH1 0x80 PUSH1 0x64 DUP4 ADD MSTORE PUSH1 0x0 PUSH1 0x84 DUP4 ADD DUP2 SWAP1 MSTORE SWAP3 MLOAD SWAP1 DUP8 AND SWAP3 PUSH4 0x150B7A02 SWAP3 PUSH1 0xC4 DUP1 DUP3 ADD SWAP4 PUSH1 0x20 SWAP4 SWAP1 SWAP3 DUP4 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 DUP3 SWAP1 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x7EF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x803 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x20 DUP2 LT ISZERO PUSH2 0x819 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP MLOAD PUSH1 0x40 DUP1 MLOAD PUSH32 0x6F6E455243373231526563656976656428616464726573732C61646472657373 DUP2 MSTORE PUSH32 0x2C75696E743235362C6279746573290000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x2F ADD SWAP1 KECCAK256 SWAP1 SWAP2 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP1 DUP4 AND SWAP2 AND EQ PUSH2 0x908 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x17 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F53454C4543544F52000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP2 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP1 ISZERO ISZERO PUSH2 0x9A2 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F4F574E4552000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND ISZERO ISZERO PUSH2 0xA2E JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F4F574E4552000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD SWAP1 JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP1 DUP6 MSTORE SWAP1 DUP4 MSTORE SWAP3 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND DUP7 ISZERO ISZERO SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP2 MLOAD SWAP1 DUP2 MSTORE SWAP1 MLOAD SWAP3 SWAP4 SWAP3 PUSH32 0x17307EAB39AB6107E8899845AD3D59BD9653F200F220920489CA2B5937696C31 SWAP3 SWAP2 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0xAFE DUP8 DUP8 DUP8 PUSH2 0x3E4 JUMP JUMPDEST DUP6 EXTCODESIZE SWAP2 POP PUSH1 0x0 DUP3 GT ISZERO PUSH2 0xCCB JUMPI PUSH1 0x40 MLOAD PUSH32 0x150B7A0200000000000000000000000000000000000000000000000000000000 DUP2 MSTORE CALLER PUSH1 0x4 DUP3 ADD DUP2 DUP2 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP11 DUP2 AND PUSH1 0x24 DUP6 ADD MSTORE PUSH1 0x44 DUP5 ADD DUP10 SWAP1 MSTORE PUSH1 0x80 PUSH1 0x64 DUP6 ADD SWAP1 DUP2 MSTORE PUSH1 0x84 DUP6 ADD DUP9 SWAP1 MSTORE SWAP1 DUP11 AND SWAP4 PUSH4 0x150B7A02 SWAP4 SWAP3 DUP13 SWAP3 DUP12 SWAP3 DUP12 SWAP3 DUP12 SWAP3 SWAP1 SWAP2 PUSH1 0xA4 ADD DUP5 DUP5 DUP1 DUP3 DUP5 CALLDATACOPY DUP3 ADD SWAP2 POP POP SWAP7 POP POP POP POP POP POP POP PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0xBB2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0xBC6 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x20 DUP2 LT ISZERO PUSH2 0xBDC JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP MLOAD PUSH1 0x40 DUP1 MLOAD PUSH32 0x6F6E455243373231526563656976656428616464726573732C61646472657373 DUP2 MSTORE PUSH32 0x2C75696E743235362C6279746573290000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x2F ADD SWAP1 KECCAK256 SWAP1 SWAP2 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP1 DUP4 AND SWAP2 AND EQ PUSH2 0xCCB JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x17 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F53454C4543544F52000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP POP POP POP POP POP POP JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP2 DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP4 SWAP1 SWAP5 AND DUP3 MSTORE SWAP2 SWAP1 SWAP2 MSTORE KECCAK256 SLOAD PUSH1 0xFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 GT ISZERO PUSH2 0xD80 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F554E444552464C4F57000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP SWAP1 SUB SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 ADD DUP4 DUP2 LT ISZERO PUSH2 0xDFA JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST SWAP4 SWAP3 POP POP POP JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 PUSH20 0x18C14C91209A554964C5F972B95A90FE384DD7DD SWAP7 0xcc REVERT MOD MULMOD SLOAD 0x4e PUSH5 0x39C3C90029 ", + "sourceMap": 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+ } + } + }, + "sources": { + "2.0.0/extensions/Forwarder/Forwarder.sol": { + "id": 0 + }, + "2.0.0/extensions/Forwarder/MixinAssets.sol": { + "id": 1 + }, + "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": { + "id": 2 + }, + "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": { + "id": 3 + }, + "2.0.0/extensions/Forwarder/MixinWeth.sol": { + "id": 4 + }, + "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": { + "id": 5 + }, + "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": { + "id": 6 + }, + "2.0.0/extensions/Forwarder/libs/LibConstants.sol": { + "id": 7 + }, + "2.0.0/extensions/Forwarder/mixins/MAssets.sol": { + "id": 8 + }, + "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": { + "id": 9 + }, + "2.0.0/extensions/Forwarder/mixins/MWeth.sol": { + "id": 10 + }, + "2.0.0/extensions/OrderValidator/OrderValidator.sol": { + "id": 11 + }, + "2.0.0/multisig/MultiSigWallet.sol": { + "id": 12 + }, + "2.0.0/multisig/MultiSigWalletWithTimeLock.sol": { + "id": 13 + }, + "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": { + "id": 14 + }, + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": { + "id": 15 + }, + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": { + "id": 16 + }, + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": { + "id": 17 + }, + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": { + "id": 18 + }, + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": { + "id": 19 + }, + "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": { + "id": 20 + }, + "2.0.0/protocol/Exchange/Exchange.sol": { + "id": 21 + }, + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": { + "id": 22 + }, + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": { + "id": 23 + }, + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": { + "id": 24 + }, + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": { + "id": 25 + }, + "2.0.0/protocol/Exchange/MixinTransactions.sol": { + "id": 26 + }, + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": { + "id": 27 + }, + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": { + "id": 28 + }, + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": { + "id": 29 + }, + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": { + "id": 30 + }, + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": { + "id": 31 + }, + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": { + "id": 32 + }, + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": { + "id": 33 + }, + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": { + "id": 34 + }, + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": { + "id": 35 + }, + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": { + "id": 36 + }, + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": { + "id": 37 + }, + "2.0.0/protocol/Exchange/libs/LibConstants.sol": { + "id": 38 + }, + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": { + "id": 39 + }, + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": { + "id": 40 + }, + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": { + "id": 41 + }, + "2.0.0/protocol/Exchange/libs/LibMath.sol": { + "id": 42 + }, + "2.0.0/protocol/Exchange/libs/LibOrder.sol": { + "id": 43 + }, + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": { + "id": 44 + }, + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": { + "id": 45 + }, + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": { + "id": 46 + }, + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": { + "id": 47 + }, + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": { + "id": 48 + }, + "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": { + "id": 49 + }, + "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": { + "id": 50 + }, + "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": { + "id": 51 + }, + "2.0.0/tokens/ERC20Token/ERC20Token.sol": { + "id": 52 + }, + "2.0.0/tokens/ERC20Token/IERC20Token.sol": { + "id": 53 + }, + "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": { + "id": 54 + }, + "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": { + "id": 55 + }, + "2.0.0/tokens/ERC721Token/ERC721Token.sol": { + "id": 56 + }, + "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": { + "id": 57 + }, + "2.0.0/tokens/ERC721Token/IERC721Token.sol": { + "id": 58 + }, + "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": { + "id": 59 + }, + "2.0.0/tokens/EtherToken/IEtherToken.sol": { + "id": 60 + }, + "2.0.0/utils/LibBytes/LibBytes.sol": { + "id": 61 + }, + "2.0.0/utils/Ownable/IOwnable.sol": { + "id": 62 + }, + "2.0.0/utils/Ownable/Ownable.sol": { + "id": 63 + }, + "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": { + "id": 64 + }, + "2.0.0/utils/SafeMath/SafeMath.sol": { + "id": 65 + } + }, + "sourceCodes": { + "2.0.0/extensions/Forwarder/Forwarder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinWeth.sol\";\nimport \"./MixinForwarderCore.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinAssets.sol\";\nimport \"./MixinExchangeWrapper.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Forwarder is\n LibConstants,\n MixinWeth,\n MixinAssets,\n MixinExchangeWrapper,\n MixinForwarderCore\n{\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n LibConstants(\n _exchange,\n _zrxAssetData,\n _wethAssetData\n )\n MixinForwarderCore()\n {}\n}\n", + "2.0.0/extensions/Forwarder/MixinAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MAssets.sol\";\n\n\ncontract MixinAssets is\n Ownable,\n LibConstants,\n MAssets\n{\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256(\"transfer(address,uint256)\"));\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external\n onlyOwner\n {\n transferAssetToSender(assetData, amount);\n }\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n bytes4 proxyId = assetData.readBytes4(0);\n\n if (proxyId == ERC20_DATA_ID) {\n transferERC20Token(assetData, amount);\n } else if (proxyId == ERC721_DATA_ID) {\n transferERC721Token(assetData, amount);\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n }\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n address token = assetData.readAddress(16);\n\n // Transfer tokens.\n // We do a raw call so we can check the success separate\n // from the return data.\n bool success = token.call(abi.encodeWithSelector(\n ERC20_TRANSFER_SELECTOR,\n msg.sender,\n amount\n ));\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n \n // Check return data.\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // value that evaluates to true.\n assembly {\n if returndatasize {\n success := 0\n if eq(returndatasize, 32) {\n // First 64 bytes of memory are reserved scratch space\n returndatacopy(0, 0, 32)\n success := mload(0)\n }\n }\n }\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n }\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n require(\n amount == 1,\n \"INVALID_AMOUNT\"\n );\n // Decode asset data.\n address token = assetData.readAddress(16);\n uint256 tokenId = assetData.readUint256(36);\n\n // Perform transfer.\n IERC721Token(token).transferFrom(\n address(this),\n msg.sender,\n tokenId\n );\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"../../protocol/Exchange/libs/LibAbiEncoder.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinExchangeWrapper is\n LibAbiEncoder,\n LibFillResults,\n LibMath,\n LibConstants,\n MExchangeWrapper\n{\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n address exchange = address(EXCHANGE);\n\n // Call `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := call(\n gas, // forward all gas\n exchange, // call address of Exchange contract\n 0, // transfer 0 wei\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of WETH to sell\n uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of WETH\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount;\n if (makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n\n require(\n makerAssetFilledAmount >= makerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n // Do nothing if zrxBuyAmount == 0\n if (zrxBuyAmount == 0) {\n return totalFillResults;\n }\n\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n uint256 zrxPurchased = 0;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // All of these are ZRX/WETH, so we can drop the respective assetData from calldata.\n orders[i].makerAssetData = zrxAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of ZRX to buy.\n uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased);\n\n // Convert the remaining amount of ZRX to buy into remaining amount\n // of WETH to sell, assuming entire amount can be sold in the current order.\n uint256 remainingWethSellAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees \n remainingZrxBuyAmount\n );\n\n // Attempt to sell the remaining amount of WETH.\n FillResults memory singleFillResult = fillOrderNoThrow(\n orders[i],\n safeAdd(remainingWethSellAmount, 1), // we add 1 wei to the fill amount to make up for rounding errors\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker.\n addFillResults(totalFillResults, singleFillResult);\n zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid);\n\n // Stop execution if the entire amount of ZRX has been bought.\n if (zrxPurchased >= zrxBuyAmount) {\n break;\n }\n }\n\n require(\n zrxPurchased >= zrxBuyAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\nimport \"./mixins/MAssets.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"./interfaces/IForwarderCore.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinForwarderCore is\n LibFillResults,\n LibMath,\n LibConstants,\n MWeth,\n MAssets,\n MExchangeWrapper,\n IForwarderCore\n{\n using LibBytes for bytes;\n\n /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf.\n constructor ()\n public\n {\n address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID);\n require(\n proxyAddress != address(0),\n \"UNREGISTERED_ASSET_PROXY\"\n );\n ETHER_TOKEN.approve(proxyAddress, MAX_UINT);\n ZRX_TOKEN.approve(proxyAddress, MAX_UINT);\n }\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 wethSellAmount;\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // Calculate amount of WETH that won't be spent on ETH fees.\n wethSellAmount = getPartialAmountFloor(\n PERCENTAGE_DENOMINATOR,\n safeAdd(PERCENTAGE_DENOMINATOR, feePercentage),\n msg.value\n );\n // Market sell available WETH.\n // ZRX fees are paid with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // 5% of WETH is reserved for filling feeOrders and paying feeRecipient.\n wethSellAmount = getPartialAmountFloor(\n MAX_WETH_FILL_PERCENTAGE,\n PERCENTAGE_DENOMINATOR,\n msg.value\n );\n // Market sell 95% of WETH.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // If the makerAsset is ZRX, it is not necessary to pay fees out of this\n // contracts's ZRX balance because fees are factored into the price of the order.\n orderFillResults = marketBuyExactZrxWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // Attemp to purchase desired amount of makerAsset.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketBuyExactAmountWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\n\n\ncontract MixinWeth is\n LibMath,\n LibConstants,\n MWeth\n{\n /// @dev Default payabale function, this allows us to withdraw WETH\n function ()\n public\n payable\n {\n require(\n msg.sender == address(ETHER_TOKEN),\n \"DEFAULT_FUNCTION_WETH_CONTRACT_ONLY\"\n );\n }\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal\n {\n require(\n msg.value > 0,\n \"INVALID_MSG_VALUE\"\n );\n ETHER_TOKEN.deposit.value(msg.value)();\n }\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal\n {\n // Ensure feePercentage is less than 5%.\n require(\n feePercentage <= MAX_FEE_PERCENTAGE,\n \"FEE_PERCENTAGE_TOO_LARGE\"\n );\n\n // Ensure that no extra WETH owned by this contract has been sold.\n uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx);\n require(\n wethSold <= msg.value,\n \"OVERSOLD_WETH\"\n );\n\n // Calculate amount of WETH that hasn't been sold.\n uint256 wethRemaining = safeSub(msg.value, wethSold);\n\n // Calculate ETH fee to pay to feeRecipient.\n uint256 ethFee = getPartialAmountFloor(\n feePercentage,\n PERCENTAGE_DENOMINATOR,\n wethSoldExcludingFeeOrders\n );\n\n // Ensure fee is less than amount of WETH remaining.\n require(\n ethFee <= wethRemaining,\n \"INSUFFICIENT_ETH_REMAINING\"\n );\n \n // Do nothing if no WETH remaining\n if (wethRemaining > 0) {\n // Convert remaining WETH to ETH\n ETHER_TOKEN.withdraw(wethRemaining);\n\n // Pay ETH to feeRecipient\n if (ethFee > 0) {\n feeRecipient.transfer(ethFee);\n }\n\n // Refund remaining ETH to msg.sender.\n uint256 ethRefund = safeSub(wethRemaining, ethFee);\n if (ethRefund > 0) {\n msg.sender.transfer(ethRefund);\n }\n }\n }\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssets {\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external;\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract IForwarderCore {\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n}\n", + "2.0.0/extensions/Forwarder/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/LibBytes/LibBytes.sol\";\nimport \"../../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../../tokens/EtherToken/IEtherToken.sol\";\nimport \"../../../tokens/ERC20Token/IERC20Token.sol\";\n\n\ncontract LibConstants {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n uint256 constant internal MAX_UINT = 2**256 - 1;\n uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; \n uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5%\n uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95%\n \n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n IEtherToken internal ETHER_TOKEN;\n IERC20Token internal ZRX_TOKEN;\n bytes internal ZRX_ASSET_DATA;\n bytes internal WETH_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n WETH_ASSET_DATA = _wethAssetData;\n\n address etherToken = _wethAssetData.readAddress(16);\n address zrxToken = _zrxAssetData.readAddress(16);\n ETHER_TOKEN = IEtherToken(etherToken);\n ZRX_TOKEN = IERC20Token(zrxToken);\n }\n}\n", + "2.0.0/extensions/Forwarder/mixins/MAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssets.sol\";\n\n\ncontract MAssets is\n IAssets\n{\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract MExchangeWrapper {\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n}\n", + "2.0.0/extensions/Forwarder/mixins/MWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract MWeth {\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal;\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal;\n}\n", + "2.0.0/extensions/OrderValidator/OrderValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract OrderValidator {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n struct TraderInfo {\n uint256 makerBalance; // Maker's balance of makerAsset\n uint256 makerAllowance; // Maker's allowance to corresponding AssetProxy\n uint256 takerBalance; // Taker's balance of takerAsset\n uint256 takerAllowance; // Taker's allowance to corresponding AssetProxy\n uint256 makerZrxBalance; // Maker's balance of ZRX\n uint256 makerZrxAllowance; // Maker's allowance of ZRX to ERC20Proxy\n uint256 takerZrxBalance; // Taker's balance of ZRX\n uint256 takerZrxAllowance; // Taker's allowance of ZRX to ERC20Proxy\n }\n\n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n bytes internal ZRX_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (address _exchange, bytes memory _zrxAssetData)\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n }\n\n /// @dev Fetches information for order and maker/taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return OrderInfo and TraderInfo instances for given order.\n function getOrderAndTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo, TraderInfo memory traderInfo)\n {\n orderInfo = EXCHANGE.getOrderInfo(order);\n traderInfo = getTraderInfo(order, takerAddress);\n return (orderInfo, traderInfo);\n }\n\n /// @dev Fetches information for all passed in orders and the makers/takers of each order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Arrays of OrderInfo and TraderInfo instances that correspond to each order.\n function getOrdersAndTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (LibOrder.OrderInfo[] memory ordersInfo, TraderInfo[] memory tradersInfo)\n {\n ordersInfo = EXCHANGE.getOrdersInfo(orders);\n tradersInfo = getTradersInfo(orders, takerAddresses);\n return (ordersInfo, tradersInfo);\n }\n\n /// @dev Fetches balance and allowances for maker and taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return Balances and allowances of maker and taker of order.\n function getTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (TraderInfo memory traderInfo)\n {\n (traderInfo.makerBalance, traderInfo.makerAllowance) = getBalanceAndAllowance(order.makerAddress, order.makerAssetData);\n (traderInfo.takerBalance, traderInfo.takerAllowance) = getBalanceAndAllowance(takerAddress, order.takerAssetData);\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n (traderInfo.makerZrxBalance, traderInfo.makerZrxAllowance) = getBalanceAndAllowance(order.makerAddress, zrxAssetData);\n (traderInfo.takerZrxBalance, traderInfo.takerZrxAllowance) = getBalanceAndAllowance(takerAddress, zrxAssetData);\n return traderInfo;\n }\n\n /// @dev Fetches balances and allowances of maker and taker for each provided order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Array of balances and allowances for maker and taker of each order.\n function getTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (TraderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n TraderInfo[] memory tradersInfo = new TraderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n tradersInfo[i] = getTraderInfo(orders[i], takerAddresses[i]);\n }\n return tradersInfo;\n }\n\n /// @dev Fetches token balances and allowances of an address to given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Encoded data that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balance of asset and allowance set to given proxy of asset.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalanceAndAllowance(address target, bytes memory assetData)\n public\n view\n returns (uint256 balance, uint256 allowance)\n {\n bytes4 assetProxyId = assetData.readBytes4(0);\n address token = assetData.readAddress(16);\n address assetProxy = EXCHANGE.getAssetProxy(assetProxyId);\n\n if (assetProxyId == ERC20_DATA_ID) {\n // Query balance\n balance = IERC20Token(token).balanceOf(target);\n\n // Query allowance\n allowance = IERC20Token(token).allowance(target, assetProxy);\n } else if (assetProxyId == ERC721_DATA_ID) {\n uint256 tokenId = assetData.readUint256(36);\n\n // Query owner of tokenId\n address owner = getERC721TokenOwner(token, tokenId);\n\n // Set balance to 1 if tokenId is owned by target\n balance = target == owner ? 1 : 0;\n\n // Check if ERC721Proxy is approved to spend tokenId\n bool isApproved = IERC721Token(token).isApprovedForAll(target, assetProxy) || IERC721Token(token).getApproved(tokenId) == assetProxy;\n \n // Set alowance to 1 if ERC721Proxy is approved to spend tokenId\n allowance = isApproved ? 1 : 0;\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n return (balance, allowance);\n }\n\n /// @dev Fetches token balances and allowances of an address for each given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Array of encoded byte arrays that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balances and allowances of assets.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalancesAndAllowances(address target, bytes[] memory assetData)\n public\n view\n returns (uint256[] memory, uint256[] memory)\n {\n uint256 length = assetData.length;\n uint256[] memory balances = new uint256[](length);\n uint256[] memory allowances = new uint256[](length);\n for (uint256 i = 0; i != length; i++) {\n (balances[i], allowances[i]) = getBalanceAndAllowance(target, assetData[i]);\n }\n return (balances, allowances);\n }\n\n /// @dev Calls `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token.\n /// @param token Address of ERC721 token.\n /// @param tokenId The identifier for the specific NFT.\n /// @return Owner of tokenId or null address if unowned.\n function getERC721TokenOwner(address token, uint256 tokenId)\n public\n view\n returns (address owner)\n {\n assembly {\n // load free memory pointer\n let cdStart := mload(64)\n\n // bytes4(keccak256(ownerOf(uint256))) = 0x6352211e\n mstore(cdStart, 0x6352211e00000000000000000000000000000000000000000000000000000000)\n mstore(add(cdStart, 4), tokenId)\n\n // staticcall `ownerOf(tokenId)`\n // `ownerOf` will revert if tokenId is not owned\n let success := staticcall(\n gas, // forward all gas\n token, // call token contract\n cdStart, // start of calldata\n 36, // length of input is 36 bytes\n cdStart, // write output over input\n 32 // size of output is 32 bytes\n )\n\n // Success implies that tokenId is owned\n // Copy owner from return data if successful\n if success {\n owner := mload(cdStart)\n } \n }\n\n // Owner initialized to address(0), no need to modify if call is unsuccessful\n return owner;\n }\n}\n", + "2.0.0/multisig/MultiSigWallet.sol": "// solhint-disable\npragma solidity ^0.4.15;\n\n\n/// @title Multisignature wallet - Allows multiple parties to agree on transactions before execution.\n/// @author Stefan George - \ncontract MultiSigWallet {\n\n /*\n * Events\n */\n event Confirmation(address indexed sender, uint indexed transactionId);\n event Revocation(address indexed sender, uint indexed transactionId);\n event Submission(uint indexed transactionId);\n event Execution(uint indexed transactionId);\n event ExecutionFailure(uint indexed transactionId);\n event Deposit(address indexed sender, uint value);\n event OwnerAddition(address indexed owner);\n event OwnerRemoval(address indexed owner);\n event RequirementChange(uint required);\n\n /*\n * Constants\n */\n uint constant public MAX_OWNER_COUNT = 50;\n\n /*\n * Storage\n */\n mapping (uint => Transaction) public transactions;\n mapping (uint => mapping (address => bool)) public confirmations;\n mapping (address => bool) public isOwner;\n address[] public owners;\n uint public required;\n uint public transactionCount;\n\n struct Transaction {\n address destination;\n uint value;\n bytes data;\n bool executed;\n }\n\n /*\n * Modifiers\n */\n modifier onlyWallet() {\n require(msg.sender == address(this));\n _;\n }\n\n modifier ownerDoesNotExist(address owner) {\n require(!isOwner[owner]);\n _;\n }\n\n modifier ownerExists(address owner) {\n require(isOwner[owner]);\n _;\n }\n\n modifier transactionExists(uint transactionId) {\n require(transactions[transactionId].destination != 0);\n _;\n }\n\n modifier confirmed(uint transactionId, address owner) {\n require(confirmations[transactionId][owner]);\n _;\n }\n\n modifier notConfirmed(uint transactionId, address owner) {\n require(!confirmations[transactionId][owner]);\n _;\n }\n\n modifier notExecuted(uint transactionId) {\n require(!transactions[transactionId].executed);\n _;\n }\n\n modifier notNull(address _address) {\n require(_address != 0);\n _;\n }\n\n modifier validRequirement(uint ownerCount, uint _required) {\n require(ownerCount <= MAX_OWNER_COUNT\n && _required <= ownerCount\n && _required != 0\n && ownerCount != 0);\n _;\n }\n\n /// @dev Fallback function allows to deposit ether.\n function()\n payable\n {\n if (msg.value > 0)\n Deposit(msg.sender, msg.value);\n }\n\n /*\n * Public functions\n */\n /// @dev Contract constructor sets initial owners and required number of confirmations.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n function MultiSigWallet(address[] _owners, uint _required)\n public\n validRequirement(_owners.length, _required)\n {\n for (uint i=0; i<_owners.length; i++) {\n require(!isOwner[_owners[i]] && _owners[i] != 0);\n isOwner[_owners[i]] = true;\n }\n owners = _owners;\n required = _required;\n }\n\n /// @dev Allows to add a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of new owner.\n function addOwner(address owner)\n public\n onlyWallet\n ownerDoesNotExist(owner)\n notNull(owner)\n validRequirement(owners.length + 1, required)\n {\n isOwner[owner] = true;\n owners.push(owner);\n OwnerAddition(owner);\n }\n\n /// @dev Allows to remove an owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner.\n function removeOwner(address owner)\n public\n onlyWallet\n ownerExists(owner)\n {\n isOwner[owner] = false;\n for (uint i=0; i owners.length)\n changeRequirement(owners.length);\n OwnerRemoval(owner);\n }\n\n /// @dev Allows to replace an owner with a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner to be replaced.\n /// @param newOwner Address of new owner.\n function replaceOwner(address owner, address newOwner)\n public\n onlyWallet\n ownerExists(owner)\n ownerDoesNotExist(newOwner)\n {\n for (uint i=0; i\n// solhint-disable not-rely-on-time\ncontract MultiSigWalletWithTimeLock is\n MultiSigWallet\n{\n event ConfirmationTimeSet(uint256 indexed transactionId, uint256 confirmationTime);\n event TimeLockChange(uint256 secondsTimeLocked);\n\n uint256 public secondsTimeLocked;\n\n mapping (uint256 => uint256) public confirmationTimes;\n\n modifier notFullyConfirmed(uint256 transactionId) {\n require(\n !isConfirmed(transactionId),\n \"TX_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier fullyConfirmed(uint256 transactionId) {\n require(\n isConfirmed(transactionId),\n \"TX_NOT_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier pastTimeLock(uint256 transactionId) {\n require(\n block.timestamp >= confirmationTimes[transactionId] + secondsTimeLocked,\n \"TIME_LOCK_INCOMPLETE\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations, and time lock.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] _owners,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWallet(_owners, _required)\n {\n secondsTimeLocked = _secondsTimeLocked;\n }\n\n /// @dev Changes the duration of the time lock for transactions.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n function changeTimeLock(uint256 _secondsTimeLocked)\n public\n onlyWallet\n {\n secondsTimeLocked = _secondsTimeLocked;\n emit TimeLockChange(_secondsTimeLocked);\n }\n\n /// @dev Allows an owner to confirm a transaction.\n /// @param transactionId Transaction ID.\n function confirmTransaction(uint256 transactionId)\n public\n ownerExists(msg.sender)\n transactionExists(transactionId)\n notConfirmed(transactionId, msg.sender)\n notFullyConfirmed(transactionId)\n {\n confirmations[transactionId][msg.sender] = true;\n emit Confirmation(msg.sender, transactionId);\n if (isConfirmed(transactionId)) {\n setConfirmationTime(transactionId, block.timestamp);\n }\n }\n\n /// @dev Allows anyone to execute a confirmed transaction.\n /// @param transactionId Transaction ID.\n function executeTransaction(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n pastTimeLock(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n\n /// @dev Sets the time of when a submission first passed.\n function setConfirmationTime(uint256 transactionId, uint256 confirmationTime)\n internal\n {\n confirmationTimes[transactionId] = confirmationTime;\n emit ConfirmationTimeSet(transactionId, confirmationTime);\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC20Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n \n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 1 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n\n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. amount |\n\n /////// Read token address from calldata ///////\n // * The token address is stored in `assetData`.\n //\n // * The \"offset to assetData\" is stored at offset 4 in the calldata (table 1).\n // [assetDataOffsetFromParams = calldataload(4)]\n //\n // * Notes that the \"offset to assetData\" is relative to the \"Params\" area of calldata;\n // add 4 bytes to account for the length of the \"Header\" area (table 1).\n // [assetDataOffsetFromHeader = assetDataOffsetFromParams + 4]\n //\n // * The \"token address\" is offset 32+4=36 bytes into \"assetData\" (tables 1 & 2).\n // [tokenOffset = assetDataOffsetFromHeader + 36 = calldataload(4) + 4 + 36]\n let token := calldataload(add(calldataload(4), 40))\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from`, `to` and `amount` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 96)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output over input\n 32 // output size should be 32 bytes\n )\n\n /////// Check return data. ///////\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // nonzero 32 bytes value.\n // So the transfer succeeded if the call succeeded and either\n // returned nothing, or returned a non-zero 32 byte value. \n success := and(success, or(\n iszero(returndatasize),\n and(\n eq(returndatasize, 32),\n gt(mload(0), 0)\n )\n ))\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC721Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 2 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n // | | 36 | | 2. tokenId |\n \n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. tokenId |\n\n // There exists only 1 of each token.\n // require(amount == 1, \"INVALID_AMOUNT\")\n if sub(calldataload(100), 1) {\n // Revert with `Error(\"INVALID_AMOUNT\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from` and `to` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 64)\n\n // Copy `tokenId` field from our own calldata to the new calldata.\n let assetDataOffset := calldataload(4)\n calldatacopy(68, add(assetDataOffset, 72), 32)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let token := calldataload(add(assetDataOffset, 40))\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output to null\n 0 // output size is 0 bytes\n )\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAuthorizable.sol\";\n\n\ncontract MixinAuthorizable is\n Ownable,\n MAuthorizable\n{\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized {\n require(\n authorized[msg.sender],\n \"SENDER_NOT_AUTHORIZED\"\n );\n _;\n }\n\n mapping (address => bool) public authorized;\n address[] public authorities;\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n !authorized[target],\n \"TARGET_ALREADY_AUTHORIZED\"\n );\n\n authorized[target] = true;\n authorities.push(target);\n emit AuthorizedAddressAdded(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n\n delete authorized[target];\n for (uint256 i = 0; i < authorities.length; i++) {\n if (authorities[i] == target) {\n authorities[i] = authorities[authorities.length - 1];\n authorities.length -= 1;\n break;\n }\n }\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n require(\n index < authorities.length,\n \"INDEX_OUT_OF_BOUNDS\"\n );\n require(\n authorities[index] == target,\n \"AUTHORIZED_ADDRESS_MISMATCH\"\n );\n\n delete authorized[target];\n authorities[index] = authorities[authorities.length - 1];\n authorities.length -= 1;\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory)\n {\n return authorities;\n }\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IAuthorizable.sol\";\n\n\ncontract IAssetProxy is\n IAuthorizable\n{\n /// @dev Transfers assets. Either succeeds or throws.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n function transferFrom(\n bytes assetData,\n address from,\n address to,\n uint256 amount\n )\n external;\n \n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4);\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/Ownable/IOwnable.sol\";\n\n\ncontract IAuthorizable is\n IOwnable\n{\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external;\n \n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory);\n}\n", + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAuthorizable.sol\";\n\n\ncontract MAuthorizable is\n IAuthorizable\n{\n // Event logged when a new address is authorized.\n event AuthorizedAddressAdded(\n address indexed target,\n address indexed caller\n );\n\n // Event logged when a currently authorized address is unauthorized.\n event AuthorizedAddressRemoved(\n address indexed target,\n address indexed caller\n );\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized { revert(); _; }\n}\n", + "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../multisig/MultiSigWalletWithTimeLock.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract AssetProxyOwner is\n MultiSigWalletWithTimeLock\n{\n using LibBytes for bytes;\n\n event AssetProxyRegistration(address assetProxyContract, bool isRegistered);\n\n // Mapping of AssetProxy contract address =>\n // if this contract is allowed to call the AssetProxy's `removeAuthorizedAddressAtIndex` method without a time lock.\n mapping (address => bool) public isAssetProxyRegistered;\n\n bytes4 constant internal REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR = bytes4(keccak256(\"removeAuthorizedAddressAtIndex(address,uint256)\"));\n\n /// @dev Function will revert if the transaction does not call `removeAuthorizedAddressAtIndex`\n /// on an approved AssetProxy contract.\n modifier validRemoveAuthorizedAddressAtIndexTx(uint256 transactionId) {\n Transaction storage txn = transactions[transactionId];\n require(\n isAssetProxyRegistered[txn.destination],\n \"UNREGISTERED_ASSET_PROXY\"\n );\n require(\n txn.data.readBytes4(0) == REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR,\n \"INVALID_FUNCTION_SELECTOR\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations,\n /// time lock, and list of AssetProxy addresses.\n /// @param _owners List of initial owners.\n /// @param _assetProxyContracts Array of AssetProxy contract addresses.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] memory _owners,\n address[] memory _assetProxyContracts,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWalletWithTimeLock(_owners, _required, _secondsTimeLocked)\n {\n for (uint256 i = 0; i < _assetProxyContracts.length; i++) {\n address assetProxy = _assetProxyContracts[i];\n require(\n assetProxy != address(0),\n \"INVALID_ASSET_PROXY\"\n );\n isAssetProxyRegistered[assetProxy] = true;\n }\n }\n\n /// @dev Registers or deregisters an AssetProxy to be able to execute\n /// `removeAuthorizedAddressAtIndex` without a timelock.\n /// @param assetProxyContract Address of AssetProxy contract.\n /// @param isRegistered Status of approval for AssetProxy contract.\n function registerAssetProxy(address assetProxyContract, bool isRegistered)\n public\n onlyWallet\n notNull(assetProxyContract)\n {\n isAssetProxyRegistered[assetProxyContract] = isRegistered;\n emit AssetProxyRegistration(assetProxyContract, isRegistered);\n }\n\n /// @dev Allows execution of `removeAuthorizedAddressAtIndex` without time lock.\n /// @param transactionId Transaction ID.\n function executeRemoveAuthorizedAddressAtIndex(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n validRemoveAuthorizedAddressAtIndexTx(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n}\n", + "2.0.0/protocol/Exchange/Exchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinExchangeCore.sol\";\nimport \"./MixinSignatureValidator.sol\";\nimport \"./MixinWrapperFunctions.sol\";\nimport \"./MixinAssetProxyDispatcher.sol\";\nimport \"./MixinTransactions.sol\";\nimport \"./MixinMatchOrders.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Exchange is\n MixinExchangeCore,\n MixinMatchOrders,\n MixinSignatureValidator,\n MixinTransactions,\n MixinAssetProxyDispatcher,\n MixinWrapperFunctions\n{\n string constant public VERSION = \"2.0.1-alpha\";\n\n // Mixins are instantiated in the order they are inherited\n constructor (bytes memory _zrxAssetData)\n public\n LibConstants(_zrxAssetData) // @TODO: Remove when we deploy.\n MixinExchangeCore()\n MixinMatchOrders()\n MixinSignatureValidator()\n MixinTransactions()\n MixinAssetProxyDispatcher()\n MixinWrapperFunctions()\n {}\n}\n", + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\nimport \"../AssetProxy/interfaces/IAssetProxy.sol\";\n\n\ncontract MixinAssetProxyDispatcher is\n Ownable,\n MAssetProxyDispatcher\n{\n // Mapping from Asset Proxy Id's to their respective Asset Proxy\n mapping (bytes4 => IAssetProxy) public assetProxies;\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external\n onlyOwner\n {\n IAssetProxy assetProxyContract = IAssetProxy(assetProxy);\n\n // Ensure that no asset proxy exists with current id.\n bytes4 assetProxyId = assetProxyContract.getProxyId();\n address currentAssetProxy = assetProxies[assetProxyId];\n require(\n currentAssetProxy == address(0),\n \"ASSET_PROXY_ALREADY_EXISTS\"\n );\n\n // Add asset proxy and log registration.\n assetProxies[assetProxyId] = assetProxyContract;\n emit AssetProxyRegistered(\n assetProxyId,\n assetProxy\n );\n }\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address)\n {\n return assetProxies[assetProxyId];\n }\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal\n {\n // Do nothing if no amount should be transferred.\n if (amount > 0 && from != to) {\n // Ensure assetData length is valid\n require(\n assetData.length > 3,\n \"LENGTH_GREATER_THAN_3_REQUIRED\"\n );\n \n // Lookup assetProxy. We do not use `LibBytes.readBytes4` for gas efficiency reasons.\n bytes4 assetProxyId;\n assembly {\n assetProxyId := and(mload(\n add(assetData, 32)),\n 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000\n )\n }\n address assetProxy = assetProxies[assetProxyId];\n\n // Ensure that assetProxy exists\n require(\n assetProxy != address(0),\n \"ASSET_PROXY_DOES_NOT_EXIST\"\n );\n \n // We construct calldata for the `assetProxy.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n\n assembly {\n /////// Setup State ///////\n // `cdStart` is the start of the calldata for `assetProxy.transferFrom` (equal to free memory ptr).\n let cdStart := mload(64)\n // `dataAreaLength` is the total number of words needed to store `assetData`\n // As-per the ABI spec, this value is padded up to the nearest multiple of 32,\n // and includes 32-bytes for length.\n let dataAreaLength := and(add(mload(assetData), 63), 0xFFFFFFFFFFFE0)\n // `cdEnd` is the end of the calldata for `assetProxy.transferFrom`.\n let cdEnd := add(cdStart, add(132, dataAreaLength))\n\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFromSelector`.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes.\n // Notes:\n // 1. The offset to `assetData` is the length of the Params Area (128 bytes).\n // 2. A 20-byte mask is applied to addresses to zero-out the unused bytes.\n mstore(add(cdStart, 4), 128)\n mstore(add(cdStart, 36), and(from, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 68), and(to, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 100), amount)\n \n /////// Setup Data Area ///////\n // This area holds `assetData`.\n let dataArea := add(cdStart, 132)\n // solhint-disable-next-line no-empty-blocks\n for {} lt(dataArea, cdEnd) {} {\n mstore(dataArea, mload(assetData))\n dataArea := add(dataArea, 32)\n assetData := add(assetData, 32)\n }\n\n /////// Call `assetProxy.transferFrom` using the constructed calldata ///////\n let success := call(\n gas, // forward all gas\n assetProxy, // call address of asset proxy\n 0, // don't send any ETH\n cdStart, // pointer to start of input\n sub(cdEnd, cdStart), // length of input \n cdStart, // write output over input\n 512 // reserve 512 bytes for output\n )\n if iszero(success) {\n revert(cdStart, returndatasize())\n }\n }\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinExchangeCore is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n LibOrder,\n LibFillResults,\n MAssetProxyDispatcher,\n MExchangeCore,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of orderHash => amount of takerAsset already bought by maker\n mapping (bytes32 => uint256) public filled;\n\n // Mapping of orderHash => cancelled\n mapping (bytes32 => bool) public cancelled;\n\n // Mapping of makerAddress => senderAddress => lowest salt an order can have in order to be fillable\n // Orders with specified senderAddress and with a salt less than their epoch are considered cancelled\n mapping (address => mapping (address => uint256)) public orderEpoch;\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external\n nonReentrant\n {\n address makerAddress = getCurrentContextAddress();\n // If this function is called via `executeTransaction`, we only update the orderEpoch for the makerAddress/msg.sender combination.\n // This allows external filter contracts to add rules to how orders are cancelled via this function.\n address senderAddress = makerAddress == msg.sender ? address(0) : msg.sender;\n\n // orderEpoch is initialized to 0, so to cancelUpTo we need salt + 1\n uint256 newOrderEpoch = targetOrderEpoch + 1; \n uint256 oldOrderEpoch = orderEpoch[makerAddress][senderAddress];\n\n // Ensure orderEpoch is monotonically increasing\n require(\n newOrderEpoch > oldOrderEpoch, \n \"INVALID_NEW_ORDER_EPOCH\"\n );\n\n // Update orderEpoch\n orderEpoch[makerAddress][senderAddress] = newOrderEpoch;\n emit CancelUpTo(\n makerAddress,\n senderAddress,\n newOrderEpoch\n );\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrder(Order memory order)\n public\n nonReentrant\n {\n cancelOrderInternal(order);\n }\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(Order memory order)\n public\n view\n returns (OrderInfo memory orderInfo)\n {\n // Compute the order hash\n orderInfo.orderHash = getOrderHash(order);\n\n // Fetch filled amount\n orderInfo.orderTakerAssetFilledAmount = filled[orderInfo.orderHash];\n\n // If order.makerAssetAmount is zero, we also reject the order.\n // While the Exchange contract handles them correctly, they create\n // edge cases in the supporting infrastructure because they have\n // an 'infinite' price when computed by a simple division.\n if (order.makerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_MAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // If order.takerAssetAmount is zero, then the order will always\n // be considered filled because 0 == takerAssetAmount == orderTakerAssetFilledAmount\n // Instead of distinguishing between unfilled and filled zero taker\n // amount orders, we choose not to support them.\n if (order.takerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_TAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // Validate order availability\n if (orderInfo.orderTakerAssetFilledAmount >= order.takerAssetAmount) {\n orderInfo.orderStatus = uint8(OrderStatus.FULLY_FILLED);\n return orderInfo;\n }\n\n // Validate order expiration\n // solhint-disable-next-line not-rely-on-time\n if (block.timestamp >= order.expirationTimeSeconds) {\n orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);\n return orderInfo;\n }\n\n // Check if order has been cancelled\n if (cancelled[orderInfo.orderHash]) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n if (orderEpoch[order.makerAddress][order.senderAddress] > order.salt) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n\n // All other statuses are ruled out: order is Fillable\n orderInfo.orderStatus = uint8(OrderStatus.FILLABLE);\n return orderInfo;\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // Fetch order info\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Assert that the order is fillable by taker\n assertFillableOrder(\n order,\n orderInfo,\n takerAddress,\n signature\n );\n \n // Get amount of takerAsset to fill\n uint256 remainingTakerAssetAmount = safeSub(order.takerAssetAmount, orderInfo.orderTakerAssetFilledAmount);\n uint256 takerAssetFilledAmount = min256(takerAssetFillAmount, remainingTakerAssetAmount);\n\n // Validate context\n assertValidFill(\n order,\n orderInfo,\n takerAssetFillAmount,\n takerAssetFilledAmount,\n fillResults.makerAssetFilledAmount\n );\n\n // Compute proportional fill amounts\n fillResults = calculateFillResults(order, takerAssetFilledAmount);\n\n // Update exchange internal state\n updateFilledState(\n order,\n takerAddress,\n orderInfo.orderHash,\n orderInfo.orderTakerAssetFilledAmount,\n fillResults\n );\n \n // Settle order\n settleOrder(\n order,\n takerAddress,\n fillResults\n );\n\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrderInternal(Order memory order)\n internal\n {\n // Fetch current order status\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Validate context\n assertValidCancel(order, orderInfo);\n\n // Perform cancel\n updateCancelledState(order, orderInfo.orderHash);\n }\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n function updateFilledState(\n Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n FillResults memory fillResults\n )\n internal\n {\n // Update state\n filled[orderHash] = safeAdd(orderTakerAssetFilledAmount, fillResults.takerAssetFilledAmount);\n\n // Log order\n emit Fill(\n order.makerAddress,\n order.feeRecipientAddress,\n takerAddress,\n msg.sender,\n fillResults.makerAssetFilledAmount,\n fillResults.takerAssetFilledAmount,\n fillResults.makerFeePaid,\n fillResults.takerFeePaid,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n Order memory order,\n bytes32 orderHash\n )\n internal\n {\n // Perform cancel\n cancelled[orderHash] = true;\n\n // Log cancel\n emit Cancel(\n order.makerAddress,\n order.feeRecipientAddress,\n msg.sender,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n Order memory order,\n OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view\n {\n // An order can only be filled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n \n // Validate sender is allowed to fill this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n \n // Validate taker is allowed to fill this order\n if (order.takerAddress != address(0)) {\n require(\n order.takerAddress == takerAddress,\n \"INVALID_TAKER\"\n );\n }\n \n // Validate Maker signature (check only if first time seen)\n if (orderInfo.orderTakerAssetFilledAmount == 0) {\n require(\n isValidSignature(\n orderInfo.orderHash,\n order.makerAddress,\n signature\n ),\n \"INVALID_ORDER_SIGNATURE\"\n );\n }\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n Order memory order,\n OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount, // TODO: use FillResults\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view\n {\n // Revert if fill amount is invalid\n // TODO: reconsider necessity for v2.1\n require(\n takerAssetFillAmount != 0,\n \"INVALID_TAKER_AMOUNT\"\n );\n \n // Make sure taker does not pay more than desired amount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n takerAssetFilledAmount <= takerAssetFillAmount,\n \"TAKER_OVERPAY\"\n );\n \n // Make sure order is not overfilled\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeAdd(orderInfo.orderTakerAssetFilledAmount, takerAssetFilledAmount) <= order.takerAssetAmount,\n \"ORDER_OVERFILL\"\n );\n \n // Make sure order is filled at acceptable price.\n // The order has an implied price from the makers perspective:\n // order price = order.makerAssetAmount / order.takerAssetAmount\n // i.e. the number of makerAsset maker is paying per takerAsset. The\n // maker is guaranteed to get this price or a better (lower) one. The\n // actual price maker is getting in this fill is:\n // fill price = makerAssetFilledAmount / takerAssetFilledAmount\n // We need `fill price <= order price` for the fill to be fair to maker.\n // This amounts to:\n // makerAssetFilledAmount order.makerAssetAmount\n // ------------------------ <= -----------------------\n // takerAssetFilledAmount order.takerAssetAmount\n // or, equivalently:\n // makerAssetFilledAmount * order.takerAssetAmount <=\n // order.makerAssetAmount * takerAssetFilledAmount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeMul(makerAssetFilledAmount, order.takerAssetAmount)\n <= \n safeMul(order.makerAssetAmount, takerAssetFilledAmount),\n \"INVALID_FILL_PRICE\"\n );\n }\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n Order memory order,\n OrderInfo memory orderInfo\n )\n internal\n view\n {\n // Ensure order is valid\n // An order can only be cancelled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Validate sender is allowed to cancel this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate transaction signed by maker\n address makerAddress = getCurrentContextAddress();\n require(\n order.makerAddress == makerAddress,\n \"INVALID_MAKER\"\n );\n }\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (FillResults memory fillResults)\n {\n // Compute proportional transfer amounts\n fillResults.takerAssetFilledAmount = takerAssetFilledAmount;\n fillResults.makerAssetFilledAmount = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n );\n fillResults.makerFeePaid = safeGetPartialAmountFloor(\n fillResults.makerAssetFilledAmount,\n order.makerAssetAmount,\n order.makerFee\n );\n fillResults.takerFeePaid = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.takerFee\n );\n\n return fillResults;\n }\n\n /// @dev Settles an order by transferring assets between counterparties.\n /// @param order Order struct containing order specifications.\n /// @param takerAddress Address selling takerAsset and buying makerAsset.\n /// @param fillResults Amounts to be filled and fees paid by maker and taker.\n function settleOrder(\n LibOrder.Order memory order,\n address takerAddress,\n LibFillResults.FillResults memory fillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n dispatchTransferFrom(\n order.makerAssetData,\n order.makerAddress,\n takerAddress,\n fillResults.makerAssetFilledAmount\n );\n dispatchTransferFrom(\n order.takerAssetData,\n takerAddress,\n order.makerAddress,\n fillResults.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n zrxAssetData,\n order.makerAddress,\n order.feeRecipientAddress,\n fillResults.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n order.feeRecipientAddress,\n fillResults.takerFeePaid\n );\n }\n}\n", + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": "/*\n Copyright 2018 ZeroEx Intl.\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n http://www.apache.org/licenses/LICENSE-2.0\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MMatchOrders.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinMatchOrders is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n MAssetProxyDispatcher,\n MExchangeCore,\n MMatchOrders,\n MTransactions\n{\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n nonReentrant\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We assume that rightOrder.takerAssetData == leftOrder.makerAssetData and rightOrder.makerAssetData == leftOrder.takerAssetData.\n // If this assumption isn't true, the match will fail at signature validation.\n rightOrder.makerAssetData = leftOrder.takerAssetData;\n rightOrder.takerAssetData = leftOrder.makerAssetData;\n\n // Get left & right order info\n LibOrder.OrderInfo memory leftOrderInfo = getOrderInfo(leftOrder);\n LibOrder.OrderInfo memory rightOrderInfo = getOrderInfo(rightOrder);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Either our context is valid or we revert\n assertFillableOrder(\n leftOrder,\n leftOrderInfo,\n takerAddress,\n leftSignature\n );\n assertFillableOrder(\n rightOrder,\n rightOrderInfo,\n takerAddress,\n rightSignature\n );\n assertValidMatch(leftOrder, rightOrder);\n\n // Compute proportional fill amounts\n matchedFillResults = calculateMatchedFillResults(\n leftOrder,\n rightOrder,\n leftOrderInfo.orderTakerAssetFilledAmount,\n rightOrderInfo.orderTakerAssetFilledAmount\n );\n\n // Validate fill contexts\n assertValidFill(\n leftOrder,\n leftOrderInfo,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.makerAssetFilledAmount\n );\n assertValidFill(\n rightOrder,\n rightOrderInfo,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n \n // Update exchange state\n updateFilledState(\n leftOrder,\n takerAddress,\n leftOrderInfo.orderHash,\n leftOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.left\n );\n updateFilledState(\n rightOrder,\n takerAddress,\n rightOrderInfo.orderHash,\n rightOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.right\n );\n\n // Settle matched orders. Succeeds or throws.\n settleMatchedOrders(\n leftOrder,\n rightOrder,\n takerAddress,\n matchedFillResults\n );\n\n return matchedFillResults;\n }\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure\n {\n // Make sure there is a profitable spread.\n // There is a profitable spread iff the cost per unit bought (OrderA.MakerAmount/OrderA.TakerAmount) for each order is greater\n // than the profit per unit sold of the matched order (OrderB.TakerAmount/OrderB.MakerAmount).\n // This is satisfied by the equations below:\n // / >= / \n // AND\n // / >= / \n // These equations can be combined to get the following:\n require(\n safeMul(leftOrder.makerAssetAmount, rightOrder.makerAssetAmount) >=\n safeMul(leftOrder.takerAssetAmount, rightOrder.takerAssetAmount),\n \"NEGATIVE_SPREAD_REQUIRED\"\n );\n }\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // Derive maker asset amounts for left & right orders, given store taker assert amounts\n uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);\n uint256 leftMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n leftTakerAssetAmountRemaining\n );\n uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);\n uint256 rightMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n rightOrder.makerAssetAmount,\n rightOrder.takerAssetAmount,\n rightTakerAssetAmountRemaining\n );\n\n // Calculate fill results for maker and taker assets: at least one order will be fully filled.\n // The maximum amount the left maker can buy is `leftTakerAssetAmountRemaining`\n // The maximum amount the right maker can sell is `rightMakerAssetAmountRemaining`\n // We have two distinct cases for calculating the fill results:\n // Case 1.\n // If the left maker can buy more than the right maker can sell, then only the right order is fully filled.\n // If the left maker can buy exactly what the right maker can sell, then both orders are fully filled.\n // Case 2.\n // If the left maker cannot buy more than the right maker can sell, then only the left order is fully filled.\n if (leftTakerAssetAmountRemaining >= rightMakerAssetAmountRemaining) {\n // Case 1: Right order is fully filled\n matchedFillResults.right.makerAssetFilledAmount = rightMakerAssetAmountRemaining;\n matchedFillResults.right.takerAssetFilledAmount = rightTakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = matchedFillResults.right.makerAssetFilledAmount;\n // Round down to ensure the maker's exchange rate does not exceed the price specified by the order. \n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.left.makerAssetFilledAmount = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n matchedFillResults.left.takerAssetFilledAmount\n );\n } else {\n // Case 2: Left order is fully filled\n matchedFillResults.left.makerAssetFilledAmount = leftMakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = leftTakerAssetAmountRemaining;\n matchedFillResults.right.makerAssetFilledAmount = matchedFillResults.left.takerAssetFilledAmount;\n // Round up to ensure the maker's exchange rate does not exceed the price specified by the order.\n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.right.takerAssetFilledAmount = safeGetPartialAmountCeil(\n rightOrder.takerAssetAmount,\n rightOrder.makerAssetAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n }\n\n // Calculate amount given to taker\n matchedFillResults.leftMakerAssetSpreadAmount = safeSub(\n matchedFillResults.left.makerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount\n );\n\n // Compute fees for left order\n matchedFillResults.left.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.makerAssetFilledAmount,\n leftOrder.makerAssetAmount,\n leftOrder.makerFee\n );\n matchedFillResults.left.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.takerAssetFilledAmount,\n leftOrder.takerAssetAmount,\n leftOrder.takerFee\n );\n\n // Compute fees for right order\n matchedFillResults.right.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.makerAssetFilledAmount,\n rightOrder.makerAssetAmount,\n rightOrder.makerFee\n );\n matchedFillResults.right.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.takerAssetFilledAmount,\n rightOrder.takerAssetAmount,\n rightOrder.takerFee\n );\n\n // Return fill results\n return matchedFillResults;\n }\n\n /// @dev Settles matched order by transferring appropriate funds between order makers, taker, and fee recipient.\n /// @param leftOrder First matched order.\n /// @param rightOrder Second matched order.\n /// @param takerAddress Address that matched the orders. The taker receives the spread between orders as profit.\n /// @param matchedFillResults Struct holding amounts to transfer between makers, taker, and fee recipients.\n function settleMatchedOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n address takerAddress,\n LibFillResults.MatchedFillResults memory matchedFillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n // Order makers and taker\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n rightOrder.makerAddress,\n matchedFillResults.right.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n rightOrder.makerAssetData,\n rightOrder.makerAddress,\n leftOrder.makerAddress,\n matchedFillResults.left.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n takerAddress,\n matchedFillResults.leftMakerAssetSpreadAmount\n );\n\n // Maker fees\n dispatchTransferFrom(\n zrxAssetData,\n leftOrder.makerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n rightOrder.makerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.makerFeePaid\n );\n\n // Taker fees\n if (leftOrder.feeRecipientAddress == rightOrder.feeRecipientAddress) {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n safeAdd(\n matchedFillResults.left.takerFeePaid,\n matchedFillResults.right.takerFeePaid\n )\n );\n } else {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.takerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.takerFeePaid\n );\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./interfaces/IWallet.sol\";\nimport \"./interfaces/IValidator.sol\";\n\n\ncontract MixinSignatureValidator is\n ReentrancyGuard,\n MSignatureValidator,\n MTransactions\n{\n using LibBytes for bytes;\n \n // Mapping of hash => signer => signed\n mapping (bytes32 => mapping (address => bool)) public preSigned;\n\n // Mapping of signer => validator => approved\n mapping (address => mapping (address => bool)) public allowedValidators;\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n {\n if (signerAddress != msg.sender) {\n require(\n isValidSignature(\n hash,\n signerAddress,\n signature\n ),\n \"INVALID_SIGNATURE\"\n );\n }\n preSigned[hash][signerAddress] = true;\n }\n\n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external\n nonReentrant\n {\n address signerAddress = getCurrentContextAddress();\n allowedValidators[signerAddress][validatorAddress] = approval;\n emit SignatureValidatorApproval(\n signerAddress,\n validatorAddress,\n approval\n );\n }\n\n /// @dev Verifies that a hash has been signed by the given signer.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid)\n {\n require(\n signature.length > 0,\n \"LENGTH_GREATER_THAN_0_REQUIRED\"\n );\n\n // Pop last byte off of signature byte array.\n uint8 signatureTypeRaw = uint8(signature.popLastByte());\n\n // Ensure signature is supported\n require(\n signatureTypeRaw < uint8(SignatureType.NSignatureTypes),\n \"SIGNATURE_UNSUPPORTED\"\n );\n\n SignatureType signatureType = SignatureType(signatureTypeRaw);\n\n // Variables are not scoped in Solidity.\n uint8 v;\n bytes32 r;\n bytes32 s;\n address recovered;\n\n // Always illegal signature.\n // This is always an implicit option since a signer can create a\n // signature array with invalid type or length. We may as well make\n // it an explicit option. This aids testing and analysis. It is\n // also the initialization value for the enum type.\n if (signatureType == SignatureType.Illegal) {\n revert(\"SIGNATURE_ILLEGAL\");\n\n // Always invalid signature.\n // Like Illegal, this is always implicitly available and therefore\n // offered explicitly. It can be implicitly created by providing\n // a correctly formatted but incorrect signature.\n } else if (signatureType == SignatureType.Invalid) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = false;\n return isValid;\n\n // Signature using EIP712\n } else if (signatureType == SignatureType.EIP712) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n hash,\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signed using web3.eth_sign\n } else if (signatureType == SignatureType.EthSign) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n32\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signature verified by wallet contract.\n // If used with an order, the maker of the order is the wallet contract.\n } else if (signatureType == SignatureType.Wallet) {\n isValid = isValidWalletSignature(\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signature verified by validator contract.\n // If used with an order, the maker of the order can still be an EOA.\n // A signature using this type should be encoded as:\n // | Offset | Length | Contents |\n // | 0x00 | x | Signature to validate |\n // | 0x00 + x | 20 | Address of validator contract |\n // | 0x14 + x | 1 | Signature type is always \"\\x06\" |\n } else if (signatureType == SignatureType.Validator) {\n // Pop last 20 bytes off of signature byte array.\n address validatorAddress = signature.popLast20Bytes();\n \n // Ensure signer has approved validator.\n if (!allowedValidators[signerAddress][validatorAddress]) {\n return false;\n }\n isValid = isValidValidatorSignature(\n validatorAddress,\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signer signed hash previously using the preSign function.\n } else if (signatureType == SignatureType.PreSigned) {\n isValid = preSigned[hash][signerAddress];\n return isValid;\n }\n\n // Anything else is illegal (We do not return false because\n // the signature may actually be valid, just not in a format\n // that we currently support. In this case returning false\n // may lead the caller to incorrectly believe that the\n // signature was invalid.)\n revert(\"SIGNATURE_UNSUPPORTED\");\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if signature is valid for given wallet..\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IWallet(walletAddress).isValidSignature.selector,\n hash,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n walletAddress, // address of Wallet contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"WALLET_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000c57414c4c45545f4552524f5200000000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IValidator(signerAddress).isValidSignature.selector,\n hash,\n signerAddress,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n validatorAddress, // address of Validator contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"VALIDATOR_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f56414c494441544f525f4552524f5200000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n}\n", + "2.0.0/protocol/Exchange/MixinTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"./libs/LibExchangeErrors.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./libs/LibEIP712.sol\";\n\n\ncontract MixinTransactions is\n LibEIP712,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of transaction hash => executed\n // This prevents transactions from being executed more than once.\n mapping (bytes32 => bool) public transactions;\n\n // Address of current transaction signer\n address public currentContextAddress;\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external\n {\n // Prevent reentrancy\n require(\n currentContextAddress == address(0),\n \"REENTRANCY_ILLEGAL\"\n );\n\n bytes32 transactionHash = hashEIP712Message(hashZeroExTransaction(\n salt,\n signerAddress,\n data\n ));\n\n // Validate transaction has not been executed\n require(\n !transactions[transactionHash],\n \"INVALID_TX_HASH\"\n );\n\n // Transaction always valid if signer is sender of transaction\n if (signerAddress != msg.sender) {\n // Validate signature\n require(\n isValidSignature(\n transactionHash,\n signerAddress,\n signature\n ),\n \"INVALID_TX_SIGNATURE\"\n );\n\n // Set the current transaction signer\n currentContextAddress = signerAddress;\n }\n\n // Execute transaction\n transactions[transactionHash] = true;\n require(\n address(this).delegatecall(data),\n \"FAILED_EXECUTION\"\n );\n\n // Reset current transaction signer if it was previously updated\n if (signerAddress != msg.sender) {\n currentContextAddress = address(0);\n }\n }\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;\n bytes32 dataHash = keccak256(data);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,\n // salt,\n // bytes32(signerAddress),\n // keccak256(data)\n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, schemaHash) // hash of schema\n mstore(add(memPtr, 32), salt) // salt\n mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff)) // signerAddress\n mstore(add(memPtr, 96), dataHash) // hash of data\n\n // Compute hash\n result := keccak256(memPtr, 128)\n }\n return result;\n }\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address)\n {\n address currentContextAddress_ = currentContextAddress;\n address contextAddress = currentContextAddress_ == address(0) ? msg.sender : currentContextAddress_;\n return contextAddress;\n }\n}\n", + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibAbiEncoder.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MWrapperFunctions.sol\";\n\n\ncontract MixinWrapperFunctions is\n ReentrancyGuard,\n LibMath,\n LibFillResults,\n LibAbiEncoder,\n MExchangeCore,\n MWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrKillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n // Delegate to `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := delegatecall(\n gas, // forward all gas\n address, // call address of this contract\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrKillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n \n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public\n nonReentrant\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n cancelOrderInternal(orders[i]);\n }\n }\n\n /// @dev Fetches information for all passed in orders.\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n LibOrder.OrderInfo[] memory ordersInfo = new LibOrder.OrderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n ordersInfo[i] = getOrderInfo(orders[i]);\n }\n return ordersInfo;\n }\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n require(\n fillResults.takerAssetFilledAmount == takerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return fillResults;\n }\n}\n", + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssetProxyDispatcher {\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external;\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./IExchangeCore.sol\";\nimport \"./IMatchOrders.sol\";\nimport \"./ISignatureValidator.sol\";\nimport \"./ITransactions.sol\";\nimport \"./IAssetProxyDispatcher.sol\";\nimport \"./IWrapperFunctions.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract IExchange is\n IExchangeCore,\n IMatchOrders,\n ISignatureValidator,\n ITransactions,\n IAssetProxyDispatcher,\n IWrapperFunctions\n{}\n", + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IExchangeCore {\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external;\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrder(LibOrder.Order memory order)\n public;\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(LibOrder.Order memory order)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IMatchOrders {\n\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ISignatureValidator {\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external;\n \n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external;\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address of signer.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\n\ncontract ITransactions {\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external;\n}\n", + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IValidator {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IWallet {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IWrapperFunctions {\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public;\n\n /// @dev Fetches information for all passed in orders\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory);\n}\n", + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./LibOrder.sol\";\n\n\ncontract LibAbiEncoder {\n\n /// @dev ABI encodes calldata for `fillOrder`.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return ABI encoded calldata for `fillOrder`.\n function abiEncodeFillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n pure\n returns (bytes memory fillOrderCalldata)\n {\n // We need to call MExchangeCore.fillOrder using a delegatecall in\n // assembly so that we can intercept a call that throws. For this, we\n // need the input encoded in memory in the Ethereum ABIv2 format [1].\n\n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0x00 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 0x00 | | 1. offset to order (*) |\n // | | 0x20 | | 2. takerAssetFillAmount |\n // | | 0x40 | | 3. offset to signature (*) |\n // | Data | | 12 * 32 | order: |\n // | | 0x000 | | 1. senderAddress |\n // | | 0x020 | | 2. makerAddress |\n // | | 0x040 | | 3. takerAddress |\n // | | 0x060 | | 4. feeRecipientAddress |\n // | | 0x080 | | 5. makerAssetAmount |\n // | | 0x0A0 | | 6. takerAssetAmount |\n // | | 0x0C0 | | 7. makerFeeAmount |\n // | | 0x0E0 | | 8. takerFeeAmount |\n // | | 0x100 | | 9. expirationTimeSeconds |\n // | | 0x120 | | 10. salt |\n // | | 0x140 | | 11. Offset to makerAssetData (*) |\n // | | 0x160 | | 12. Offset to takerAssetData (*) |\n // | | 0x180 | 32 | makerAssetData Length |\n // | | 0x1A0 | ** | makerAssetData Contents |\n // | | 0x1C0 | 32 | takerAssetData Length |\n // | | 0x1E0 | ** | takerAssetData Contents |\n // | | 0x200 | 32 | signature Length |\n // | | 0x220 | ** | signature Contents |\n\n // * Offsets are calculated from the beginning of the current area: Header, Params, Data:\n // An offset stored in the Params area is calculated from the beginning of the Params section.\n // An offset stored in the Data area is calculated from the beginning of the Data section.\n\n // ** The length of dynamic array contents are stored in the field immediately preceeding the contents.\n\n // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html\n\n assembly {\n\n // Areas below may use the following variables:\n // 1. Start -- Start of this area in memory\n // 2. End -- End of this area in memory. This value may\n // be precomputed (before writing contents),\n // or it may be computed as contents are written.\n // 3. Offset -- Current offset into area. If an area's End\n // is precomputed, this variable tracks the\n // offsets of contents as they are written.\n\n /////// Setup Header Area ///////\n // Load free memory pointer\n fillOrderCalldata := mload(0x40)\n // bytes4(keccak256(\"fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)\"))\n // = 0xb4be83d5\n // Leave 0x20 bytes to store the length\n mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000)\n let headerAreaEnd := add(fillOrderCalldata, 0x24)\n\n /////// Setup Params Area ///////\n // This area is preallocated and written to later.\n // This is because we need to fill in offsets that have not yet been calculated.\n let paramsAreaStart := headerAreaEnd\n let paramsAreaEnd := add(paramsAreaStart, 0x60)\n let paramsAreaOffset := paramsAreaStart\n\n /////// Setup Data Area ///////\n let dataAreaStart := paramsAreaEnd\n let dataAreaEnd := dataAreaStart\n\n // Offset from the source data we're reading from\n let sourceOffset := order\n // arrayLenBytes and arrayLenWords track the length of a dynamically-allocated bytes array.\n let arrayLenBytes := 0\n let arrayLenWords := 0\n\n /////// Write order Struct ///////\n // Write memory location of Order, relative to the start of the\n // parameter list, then increment the paramsAreaOffset respectively.\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n // Write values for each field in the order\n // It would be nice to use a loop, but we save on gas by writing\n // the stores sequentially.\n mstore(dataAreaEnd, mload(sourceOffset)) // makerAddress\n mstore(add(dataAreaEnd, 0x20), mload(add(sourceOffset, 0x20))) // takerAddress\n mstore(add(dataAreaEnd, 0x40), mload(add(sourceOffset, 0x40))) // feeRecipientAddress\n mstore(add(dataAreaEnd, 0x60), mload(add(sourceOffset, 0x60))) // senderAddress\n mstore(add(dataAreaEnd, 0x80), mload(add(sourceOffset, 0x80))) // makerAssetAmount\n mstore(add(dataAreaEnd, 0xA0), mload(add(sourceOffset, 0xA0))) // takerAssetAmount\n mstore(add(dataAreaEnd, 0xC0), mload(add(sourceOffset, 0xC0))) // makerFeeAmount\n mstore(add(dataAreaEnd, 0xE0), mload(add(sourceOffset, 0xE0))) // takerFeeAmount\n mstore(add(dataAreaEnd, 0x100), mload(add(sourceOffset, 0x100))) // expirationTimeSeconds\n mstore(add(dataAreaEnd, 0x120), mload(add(sourceOffset, 0x120))) // salt\n mstore(add(dataAreaEnd, 0x140), mload(add(sourceOffset, 0x140))) // Offset to makerAssetData\n mstore(add(dataAreaEnd, 0x160), mload(add(sourceOffset, 0x160))) // Offset to takerAssetData\n dataAreaEnd := add(dataAreaEnd, 0x180)\n sourceOffset := add(sourceOffset, 0x180)\n\n // Write offset to \n mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x140)) // makerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Write offset to \n mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x160)) // takerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n /////// Write takerAssetFillAmount ///////\n mstore(paramsAreaOffset, takerAssetFillAmount)\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n /////// Write signature ///////\n // Write offset to paramsArea\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n\n // Calculate length of signature\n sourceOffset := signature\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of signature\n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of signature\n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Set length of calldata\n mstore(fillOrderCalldata, sub(dataAreaEnd, add(fillOrderCalldata, 0x20)))\n\n // Increment free memory pointer\n mstore(0x40, dataAreaEnd)\n }\n\n return fillOrderCalldata;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\n// solhint-disable max-line-length\ncontract LibConstants {\n \n // Asset data for ZRX token. Used for fee transfers.\n // @TODO: Hardcode constant when we deploy. Currently \n // not constant to make testing easier.\n\n // The proxyId for ZRX_ASSET_DATA is bytes4(keccak256(\"ERC20Token(address)\")) = 0xf47261b0\n \n // Kovan ZRX address is 0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570.\n // The ABI encoded proxyId and address is 0xf47261b00000000000000000000000006ff6c0ff1d68b964901f986d4c9fa3ac68346570\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x6f\\xf6\\xc0\\xff\\x1d\\x68\\xb9\\x64\\x90\\x1f\\x98\\x6d\\x4c\\x9f\\xa3\\xac\\x68\\x34\\x65\\x70\";\n \n // Mainnet ZRX address is 0xe41d2489571d322189246dafa5ebde1f4699f498.\n // The ABI encoded proxyId and address is 0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xe4\\x1d\\x24\\x89\\x57\\x1d\\x32\\x21\\x89\\x24\\x6d\\xaf\\xa5\\xeb\\xde\\x1f\\x46\\x99\\xf4\\x98\";\n \n // solhint-disable-next-line var-name-mixedcase\n bytes public ZRX_ASSET_DATA;\n\n // @TODO: Remove when we deploy.\n constructor (bytes memory zrxAssetData)\n public\n {\n ZRX_ASSET_DATA = zrxAssetData;\n }\n}\n// solhint-enable max-line-length\n", + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract LibEIP712 {\n\n // EIP191 header for EIP712 prefix\n string constant internal EIP191_HEADER = \"\\x19\\x01\";\n\n // EIP712 Domain Name value\n string constant internal EIP712_DOMAIN_NAME = \"0x Protocol\";\n\n // EIP712 Domain Version value\n string constant internal EIP712_DOMAIN_VERSION = \"2\";\n\n // Hash of the EIP712 Domain Separator Schema\n bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"EIP712Domain(\",\n \"string name,\",\n \"string version,\",\n \"address verifyingContract\",\n \")\"\n ));\n\n // Hash of the EIP712 Domain Separator data\n // solhint-disable-next-line var-name-mixedcase\n bytes32 public EIP712_DOMAIN_HASH;\n\n constructor ()\n public\n {\n EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(\n EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,\n keccak256(bytes(EIP712_DOMAIN_NAME)),\n keccak256(bytes(EIP712_DOMAIN_VERSION)),\n bytes32(address(this))\n ));\n }\n\n /// @dev Calculates EIP712 encoding for a hash struct in this EIP712 Domain.\n /// @param hashStruct The EIP712 hash struct.\n /// @return EIP712 hash applied to this EIP712 Domain.\n function hashEIP712Message(bytes32 hashStruct)\n internal\n view\n returns (bytes32 result)\n {\n bytes32 eip712DomainHash = EIP712_DOMAIN_HASH;\n\n // Assembly for more efficient computing:\n // keccak256(abi.encodePacked(\n // EIP191_HEADER,\n // EIP712_DOMAIN_HASH,\n // hashStruct \n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, 0x1901000000000000000000000000000000000000000000000000000000000000) // EIP191 header\n mstore(add(memPtr, 2), eip712DomainHash) // EIP712 domain hash\n mstore(add(memPtr, 34), hashStruct) // Hash of struct\n\n // Compute hash\n result := keccak256(memPtr, 66)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity 0.4.24;\n\n\n/// @dev This contract documents the revert reasons used in the Exchange contract.\n/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons.\ncontract LibExchangeErrors {\n\n /// Order validation errors ///\n string constant ORDER_UNFILLABLE = \"ORDER_UNFILLABLE\"; // Order cannot be filled.\n string constant INVALID_MAKER = \"INVALID_MAKER\"; // Invalid makerAddress.\n string constant INVALID_TAKER = \"INVALID_TAKER\"; // Invalid takerAddress.\n string constant INVALID_SENDER = \"INVALID_SENDER\"; // Invalid `msg.sender`.\n string constant INVALID_ORDER_SIGNATURE = \"INVALID_ORDER_SIGNATURE\"; // Signature validation failed. \n \n /// fillOrder validation errors ///\n string constant INVALID_TAKER_AMOUNT = \"INVALID_TAKER_AMOUNT\"; // takerAssetFillAmount cannot equal 0.\n string constant ROUNDING_ERROR = \"ROUNDING_ERROR\"; // Rounding error greater than 0.1% of takerAssetFillAmount. \n \n /// Signature validation errors ///\n string constant INVALID_SIGNATURE = \"INVALID_SIGNATURE\"; // Signature validation failed. \n string constant SIGNATURE_ILLEGAL = \"SIGNATURE_ILLEGAL\"; // Signature type is illegal.\n string constant SIGNATURE_UNSUPPORTED = \"SIGNATURE_UNSUPPORTED\"; // Signature type unsupported.\n \n /// cancelOrdersUptTo errors ///\n string constant INVALID_NEW_ORDER_EPOCH = \"INVALID_NEW_ORDER_EPOCH\"; // Specified salt must be greater than or equal to existing orderEpoch.\n\n /// fillOrKillOrder errors ///\n string constant COMPLETE_FILL_FAILED = \"COMPLETE_FILL_FAILED\"; // Desired takerAssetFillAmount could not be completely filled. \n\n /// matchOrders errors ///\n string constant NEGATIVE_SPREAD_REQUIRED = \"NEGATIVE_SPREAD_REQUIRED\"; // Matched orders must have a negative spread.\n\n /// Transaction errors ///\n string constant REENTRANCY_ILLEGAL = \"REENTRANCY_ILLEGAL\"; // Recursive reentrancy is not allowed. \n string constant INVALID_TX_HASH = \"INVALID_TX_HASH\"; // Transaction has already been executed. \n string constant INVALID_TX_SIGNATURE = \"INVALID_TX_SIGNATURE\"; // Signature validation failed. \n string constant FAILED_EXECUTION = \"FAILED_EXECUTION\"; // Transaction execution failed. \n \n /// registerAssetProxy errors ///\n string constant ASSET_PROXY_ALREADY_EXISTS = \"ASSET_PROXY_ALREADY_EXISTS\"; // AssetProxy with same id already exists.\n\n /// dispatchTransferFrom errors ///\n string constant ASSET_PROXY_DOES_NOT_EXIST = \"ASSET_PROXY_DOES_NOT_EXIST\"; // No assetProxy registered at given id.\n string constant TRANSFER_FAILED = \"TRANSFER_FAILED\"; // Asset transfer unsuccesful.\n\n /// Length validation errors ///\n string constant LENGTH_GREATER_THAN_0_REQUIRED = \"LENGTH_GREATER_THAN_0_REQUIRED\"; // Byte array must have a length greater than 0.\n string constant LENGTH_GREATER_THAN_3_REQUIRED = \"LENGTH_GREATER_THAN_3_REQUIRED\"; // Byte array must have a length greater than 3.\n string constant LENGTH_0_REQUIRED = \"LENGTH_0_REQUIRED\"; // Byte array must have a length of 0.\n string constant LENGTH_65_REQUIRED = \"LENGTH_65_REQUIRED\"; // Byte array must have a length of 65.\n}\n", + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibFillResults is\n SafeMath\n{\n struct FillResults {\n uint256 makerAssetFilledAmount; // Total amount of makerAsset(s) filled.\n uint256 takerAssetFilledAmount; // Total amount of takerAsset(s) filled.\n uint256 makerFeePaid; // Total amount of ZRX paid by maker(s) to feeRecipient(s).\n uint256 takerFeePaid; // Total amount of ZRX paid by taker to feeRecipients(s).\n }\n\n struct MatchedFillResults {\n FillResults left; // Amounts filled and fees paid of left order.\n FillResults right; // Amounts filled and fees paid of right order.\n uint256 leftMakerAssetSpreadAmount; // Spread between price of left and right order, denominated in the left order's makerAsset, paid to taker.\n }\n\n /// @dev Adds properties of both FillResults instances.\n /// Modifies the first FillResults instance specified.\n /// @param totalFillResults Fill results instance that will be added onto.\n /// @param singleFillResults Fill results instance that will be added to totalFillResults.\n function addFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)\n internal\n pure\n {\n totalFillResults.makerAssetFilledAmount = safeAdd(totalFillResults.makerAssetFilledAmount, singleFillResults.makerAssetFilledAmount);\n totalFillResults.takerAssetFilledAmount = safeAdd(totalFillResults.takerAssetFilledAmount, singleFillResults.takerAssetFilledAmount);\n totalFillResults.makerFeePaid = safeAdd(totalFillResults.makerFeePaid, singleFillResults.makerFeePaid);\n totalFillResults.takerFeePaid = safeAdd(totalFillResults.takerFeePaid, singleFillResults.takerFeePaid);\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibMath.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibMath is\n SafeMath\n{\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function safeGetPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorFloor(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function safeGetPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorCeil(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function getPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function getPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // The absolute rounding error is the difference between the rounded\n // value and the ideal value. The relative rounding error is the\n // absolute rounding error divided by the absolute value of the\n // ideal value. This is undefined when the ideal value is zero.\n //\n // The ideal value is `numerator * target / denominator`.\n // Let's call `numerator * target % denominator` the remainder.\n // The absolute error is `remainder / denominator`.\n //\n // When the ideal value is zero, we require the absolute error to\n // be zero. Fortunately, this is always the case. The ideal value is\n // zero iff `numerator == 0` and/or `target == 0`. In this case the\n // remainder and absolute error are also zero. \n if (target == 0 || numerator == 0) {\n return false;\n }\n \n // Otherwise, we want the relative rounding error to be strictly\n // less than 0.1%.\n // The relative error is `remainder / (numerator * target)`.\n // We want the relative error less than 1 / 1000:\n // remainder / (numerator * denominator) < 1 / 1000\n // or equivalently:\n // 1000 * remainder < numerator * target\n // so we have a rounding error iff:\n // 1000 * remainder >= numerator * target\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding up.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // See the comments in `isRoundingError`.\n if (target == 0 || numerator == 0) {\n // When either is zero, the ideal value and rounded value are zero\n // and there is no rounding error. (Although the relative error\n // is undefined.)\n return false;\n }\n // Compute remainder as before\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n remainder = safeSub(denominator, remainder) % denominator;\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibOrder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./LibEIP712.sol\";\n\n\ncontract LibOrder is\n LibEIP712\n{\n // Hash for the EIP712 Order Schema\n bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"Order(\",\n \"address makerAddress,\",\n \"address takerAddress,\",\n \"address feeRecipientAddress,\",\n \"address senderAddress,\",\n \"uint256 makerAssetAmount,\",\n \"uint256 takerAssetAmount,\",\n \"uint256 makerFee,\",\n \"uint256 takerFee,\",\n \"uint256 expirationTimeSeconds,\",\n \"uint256 salt,\",\n \"bytes makerAssetData,\",\n \"bytes takerAssetData\",\n \")\"\n ));\n\n // A valid order remains fillable until it is expired, fully filled, or cancelled.\n // An order's state is unaffected by external factors, like account balances.\n enum OrderStatus {\n INVALID, // Default value\n INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount\n INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount\n FILLABLE, // Order is fillable\n EXPIRED, // Order has already expired\n FULLY_FILLED, // Order is fully filled\n CANCELLED // Order has been cancelled\n }\n\n // solhint-disable max-line-length\n struct Order {\n address makerAddress; // Address that created the order. \n address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order. \n address feeRecipientAddress; // Address that will recieve fees when order is filled. \n address senderAddress; // Address that is allowed to call Exchange contract methods that affect this order. If set to 0, any address is allowed to call these methods.\n uint256 makerAssetAmount; // Amount of makerAsset being offered by maker. Must be greater than 0. \n uint256 takerAssetAmount; // Amount of takerAsset being bid on by maker. Must be greater than 0. \n uint256 makerFee; // Amount of ZRX paid to feeRecipient by maker when order is filled. If set to 0, no transfer of ZRX from maker to feeRecipient will be attempted.\n uint256 takerFee; // Amount of ZRX paid to feeRecipient by taker when order is filled. If set to 0, no transfer of ZRX from taker to feeRecipient will be attempted.\n uint256 expirationTimeSeconds; // Timestamp in seconds at which order expires. \n uint256 salt; // Arbitrary number to facilitate uniqueness of the order's hash. \n bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.\n bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.\n }\n // solhint-enable max-line-length\n\n struct OrderInfo {\n uint8 orderStatus; // Status that describes order's validity and fillability.\n bytes32 orderHash; // EIP712 hash of the order (see LibOrder.getOrderHash).\n uint256 orderTakerAssetFilledAmount; // Amount of order that has already been filled.\n }\n\n /// @dev Calculates Keccak-256 hash of the order.\n /// @param order The order structure.\n /// @return Keccak-256 EIP712 hash of the order.\n function getOrderHash(Order memory order)\n internal\n view\n returns (bytes32 orderHash)\n {\n orderHash = hashEIP712Message(hashOrder(order));\n return orderHash;\n }\n\n /// @dev Calculates EIP712 hash of the order.\n /// @param order The order structure.\n /// @return EIP712 hash of the order.\n function hashOrder(Order memory order)\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ORDER_SCHEMA_HASH;\n bytes32 makerAssetDataHash = keccak256(order.makerAssetData);\n bytes32 takerAssetDataHash = keccak256(order.takerAssetData);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ORDER_SCHEMA_HASH,\n // bytes32(order.makerAddress),\n // bytes32(order.takerAddress),\n // bytes32(order.feeRecipientAddress),\n // bytes32(order.senderAddress),\n // order.makerAssetAmount,\n // order.takerAssetAmount,\n // order.makerFee,\n // order.takerFee,\n // order.expirationTimeSeconds,\n // order.salt,\n // keccak256(order.makerAssetData),\n // keccak256(order.takerAssetData)\n // ));\n\n assembly {\n // Calculate memory addresses that will be swapped out before hashing\n let pos1 := sub(order, 32)\n let pos2 := add(order, 320)\n let pos3 := add(order, 352)\n\n // Backup\n let temp1 := mload(pos1)\n let temp2 := mload(pos2)\n let temp3 := mload(pos3)\n \n // Hash in place\n mstore(pos1, schemaHash)\n mstore(pos2, makerAssetDataHash)\n mstore(pos3, takerAssetDataHash)\n result := keccak256(pos1, 416)\n \n // Restore\n mstore(pos1, temp1)\n mstore(pos2, temp2)\n mstore(pos3, temp3)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssetProxyDispatcher.sol\";\n\n\ncontract MAssetProxyDispatcher is\n IAssetProxyDispatcher\n{\n // Logs registration of new asset proxy\n event AssetProxyRegistered(\n bytes4 id, // Id of new registered AssetProxy.\n address assetProxy // Address of new registered AssetProxy.\n );\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IExchangeCore.sol\";\n\n\ncontract MExchangeCore is\n IExchangeCore\n{\n // Fill event is emitted whenever an order is filled.\n event Fill(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that received fees.\n address takerAddress, // Address that filled the order.\n address senderAddress, // Address that called the Exchange contract (msg.sender).\n uint256 makerAssetFilledAmount, // Amount of makerAsset sold by maker and bought by taker. \n uint256 takerAssetFilledAmount, // Amount of takerAsset sold by taker and bought by maker.\n uint256 makerFeePaid, // Amount of ZRX paid to feeRecipient by maker.\n uint256 takerFeePaid, // Amount of ZRX paid to feeRecipient by taker.\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // Cancel event is emitted whenever an individual order is cancelled.\n event Cancel(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that would have recieved fees if order was filled. \n address senderAddress, // Address that called the Exchange contract (msg.sender).\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // CancelUpTo event is emitted whenever `cancelOrdersUpTo` is executed succesfully.\n event CancelUpTo(\n address indexed makerAddress, // Orders cancelled must have been created by this address.\n address indexed senderAddress, // Orders cancelled must have a `senderAddress` equal to this address.\n uint256 orderEpoch // Orders with specified makerAddress and senderAddress with a salt less than this value are considered cancelled.\n );\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrderInternal(LibOrder.Order memory order)\n internal;\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function updateFilledState(\n LibOrder.Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n LibFillResults.FillResults memory fillResults\n )\n internal;\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n LibOrder.Order memory order,\n bytes32 orderHash\n )\n internal;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo Status, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view;\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo\n )\n internal\n view;\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n LibOrder.Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.FillResults memory fillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IMatchOrders.sol\";\n\n\ncontract MMatchOrders is\n IMatchOrders\n{\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure;\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/ISignatureValidator.sol\";\n\n\ncontract MSignatureValidator is\n ISignatureValidator\n{\n event SignatureValidatorApproval(\n address indexed signerAddress, // Address that approves or disapproves a contract to verify signatures.\n address indexed validatorAddress, // Address of signature validator contract.\n bool approved // Approval or disapproval of validator contract.\n );\n\n // Allowed signature types.\n enum SignatureType {\n Illegal, // 0x00, default value\n Invalid, // 0x01\n EIP712, // 0x02\n EthSign, // 0x03\n Wallet, // 0x04\n Validator, // 0x05\n PreSigned, // 0x06\n NSignatureTypes // 0x07, number of signature types. Always leave at end.\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"../interfaces/ITransactions.sol\";\n\n\ncontract MTransactions is\n ITransactions\n{\n // Hash for the EIP712 ZeroEx Transaction Schema\n bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"ZeroExTransaction(\",\n \"uint256 salt,\",\n \"address signerAddress,\",\n \"bytes data\",\n \")\"\n ));\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result);\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address);\n}\n", + "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IWrapperFunctions.sol\";\n\n\ncontract MWrapperFunctions is \n IWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n}\n", + "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/MintableERC20Token.sol\";\n\n\ncontract DummyERC20Token is \n Ownable,\n MintableERC20Token\n{\n string public name;\n string public symbol;\n uint256 public decimals;\n uint256 public constant MAX_MINT_AMOUNT = 10000000000000000000000;\n\n constructor (\n string _name,\n string _symbol,\n uint256 _decimals,\n uint256 _totalSupply\n )\n public\n {\n name = _name;\n symbol = _symbol;\n decimals = _decimals;\n _totalSupply = _totalSupply;\n balances[msg.sender] = _totalSupply;\n }\n\n /// @dev Sets the balance of target address\n /// @param _target Address or which balance will be updated\n /// @param _value New balance of target address\n function setBalance(address _target, uint256 _value)\n external\n onlyOwner\n {\n uint256 currBalance = balances[_target];\n if (_value < currBalance) {\n _totalSupply = safeSub(_totalSupply, safeSub(currBalance, _value));\n } else {\n _totalSupply = safeAdd(_totalSupply, safeSub(_value, currBalance));\n }\n balances[_target] = _value;\n }\n\n /// @dev Mints new tokens for sender\n /// @param _value Amount of tokens to mint\n function mint(uint256 _value)\n external\n {\n require(\n _value <= MAX_MINT_AMOUNT,\n \"VALUE_TOO_LARGE\"\n );\n\n _mint(msg.sender, _value);\n }\n}\n", + "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../tokens/ERC721Token/MintableERC721Token.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract DummyERC721Token is\n Ownable,\n MintableERC721Token\n{\n string public name;\n string public symbol;\n\n constructor (\n string _name,\n string _symbol\n )\n public\n {\n name = _name;\n symbol = _symbol;\n }\n\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function mint(address _to, uint256 _tokenId)\n external\n {\n _mint(_to, _tokenId);\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist or not called by contract owner\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function burn(address _owner, uint256 _tokenId)\n external\n onlyOwner\n {\n _burn(_owner, _tokenId);\n }\n}\n", + "2.0.0/tokens/ERC20Token/ERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC20Token.sol\";\n\n\ncontract ERC20Token is\n IERC20Token\n{\n mapping (address => uint256) internal balances;\n mapping (address => mapping (address => uint256)) internal allowed;\n\n uint256 internal _totalSupply;\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool)\n {\n require(\n balances[msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[msg.sender] -= _value;\n balances[_to] += _value;\n\n emit Transfer(\n msg.sender,\n _to,\n _value\n );\n\n return true;\n }\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowed[_from][msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n allowed[_from][msg.sender] -= _value;\n \n emit Transfer(\n _from,\n _to,\n _value\n );\n \n return true;\n }\n\n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool)\n {\n allowed[msg.sender][_spender] = _value;\n emit Approval(\n msg.sender,\n _spender,\n _value\n );\n return true;\n }\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256)\n {\n return _totalSupply;\n }\n\n /// @dev Query the balance of owner\n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n return balances[_owner];\n }\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256)\n {\n return allowed[_owner][_spender];\n }\n}\n", + "2.0.0/tokens/ERC20Token/IERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n \n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n \n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", + "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/SafeMath/SafeMath.sol\";\nimport \"./UnlimitedAllowanceERC20Token.sol\";\n\n\ncontract MintableERC20Token is \n SafeMath,\n UnlimitedAllowanceERC20Token\n{\n /// @dev Mints new tokens\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _value Amount of tokens to mint\n function _mint(address _to, uint256 _value)\n internal\n {\n balances[_to] = safeAdd(_value, balances[_to]);\n _totalSupply = safeAdd(_totalSupply, _value);\n\n emit Transfer(\n address(0),\n _to,\n _value\n );\n }\n\n /// @dev Mints new tokens\n /// @param _owner Owner of tokens that will be burned\n /// @param _value Amount of tokens to burn\n function _burn(address _owner, uint256 _value)\n internal\n {\n balances[_owner] = safeSub(balances[_owner], _value);\n _totalSupply = safeSub(_totalSupply, _value);\n\n emit Transfer(\n _owner,\n address(0),\n _value\n );\n }\n}\n", + "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/ERC20Token.sol\";\n\n\ncontract UnlimitedAllowanceERC20Token is\n ERC20Token\n{\n uint256 constant internal MAX_UINT = 2**256 - 1;\n\n /// @dev ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited allowance. See https://github.com/ethereum/EIPs/issues/717\n /// @param _from Address to transfer from.\n /// @param _to Address to transfer to.\n /// @param _value Amount to transfer.\n /// @return Success of transfer.\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n uint256 allowance = allowed[_from][msg.sender];\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowance >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n if (allowance < MAX_UINT) {\n allowed[_from][msg.sender] -= _value;\n }\n\n emit Transfer(\n _from,\n _to,\n _value\n );\n\n return true;\n }\n}\n", + "2.0.0/tokens/ERC721Token/ERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC721Token.sol\";\nimport \"./IERC721Receiver.sol\";\nimport \"../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract ERC721Token is\n IERC721Token,\n SafeMath\n{\n // Function selector for ERC721Receiver.onERC721Received\n // 0x150b7a02\n bytes4 constant internal ERC721_RECEIVED = bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"));\n\n // Mapping of tokenId => owner\n mapping (uint256 => address) internal owners;\n\n // Mapping of tokenId => approved address\n mapping (uint256 => address) internal approvals;\n\n // Mapping of owner => number of tokens owned\n mapping (address => uint256) internal balances;\n\n // Mapping of owner => operator => approved\n mapping (address => mapping (address => bool)) internal operatorApprovals;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n _data\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n \"\"\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external\n {\n address owner = ownerOf(_tokenId);\n require(\n msg.sender == owner || isApprovedForAll(owner, msg.sender),\n \"ERC721_INVALID_SENDER\"\n );\n\n approvals[_tokenId] = _approved;\n emit Approval(\n owner,\n _approved,\n _tokenId\n );\n }\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external\n {\n operatorApprovals[msg.sender][_operator] = _approved;\n emit ApprovalForAll(\n msg.sender,\n _operator,\n _approved\n );\n }\n \n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return balances[_owner];\n }\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = ownerOf(_tokenId);\n require(\n _from == owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n address spender = msg.sender;\n address approvedAddress = getApproved(_tokenId);\n require(\n spender == owner ||\n isApprovedForAll(owner, spender) ||\n approvedAddress == spender,\n \"ERC721_INVALID_SPENDER\"\n );\n\n if (approvedAddress != address(0)) {\n approvals[_tokenId] = address(0);\n }\n\n owners[_tokenId] = _to;\n balances[_from] = safeSub(balances[_from], 1);\n balances[_to] = safeAdd(balances[_to], 1);\n \n emit Transfer(\n _from,\n _to,\n _tokenId\n );\n }\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address)\n {\n address owner = owners[_tokenId];\n require(\n owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return owner;\n }\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId)\n public\n view\n returns (address)\n {\n return approvals[_tokenId];\n }\n\n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool)\n {\n return operatorApprovals[_owner][_operator];\n }\n}\n", + "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Receiver {\n\n /// @notice Handle the receipt of an NFT\n /// @dev The ERC721 smart contract calls this function on the recipient\n /// after a `transfer`. This function MAY throw to revert and reject the\n /// transfer. Return of other than the magic value MUST result in the\n /// transaction being reverted.\n /// Note: the contract address is always the message sender.\n /// @param _operator The address which called `safeTransferFrom` function\n /// @param _from The address which previously owned the token\n /// @param _tokenId The NFT identifier which is being transferred\n /// @param _data Additional data with no specified format\n /// @return `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`\n /// unless throwing\n function onERC721Received(\n address _operator,\n address _from,\n uint256 _tokenId,\n bytes _data\n )\n external\n returns (bytes4);\n}\n", + "2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Token {\n\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(\n address indexed _owner,\n address indexed _approved,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(\n address indexed _owner,\n address indexed _operator,\n bool _approved\n );\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// perator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external;\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public;\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address);\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) \n public\n view\n returns (address);\n \n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool);\n}\n", + "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./ERC721Token.sol\";\n\n\ncontract MintableERC721Token is\n ERC721Token\n{\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function _mint(address _to, uint256 _tokenId)\n internal\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == address(0),\n \"ERC721_OWNER_ALREADY_EXISTS\"\n );\n\n owners[_tokenId] = _to;\n balances[_to] = safeAdd(balances[_to], 1);\n\n emit Transfer(\n address(0),\n _to,\n _tokenId\n );\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function _burn(address _owner, uint256 _tokenId)\n internal\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == _owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n owners[_tokenId] = address(0);\n balances[_owner] = safeSub(balances[_owner], 1);\n\n emit Transfer(\n _owner,\n address(0),\n _tokenId\n );\n }\n}\n", + "2.0.0/tokens/EtherToken/IEtherToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/IERC20Token.sol\";\n\n\ncontract IEtherToken is\n IERC20Token\n{\n function deposit()\n public\n payable;\n \n function withdraw(uint256 amount)\n public;\n}\n", + "2.0.0/utils/LibBytes/LibBytes.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\nlibrary LibBytes {\n\n using LibBytes for bytes;\n\n /// @dev Gets the memory address for a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of byte array. This\n /// points to the header of the byte array which contains\n /// the length.\n function rawAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := input\n }\n return memoryAddress;\n }\n \n /// @dev Gets the memory address for the contents of a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of the contents of the byte array.\n function contentAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := add(input, 32)\n }\n return memoryAddress;\n }\n\n /// @dev Copies `length` bytes from memory location `source` to `dest`.\n /// @param dest memory address to copy bytes to.\n /// @param source memory address to copy bytes from.\n /// @param length number of bytes to copy.\n function memCopy(\n uint256 dest,\n uint256 source,\n uint256 length\n )\n internal\n pure\n {\n if (length < 32) {\n // Handle a partial word by reading destination and masking\n // off the bits we are interested in.\n // This correctly handles overlap, zero lengths and source == dest\n assembly {\n let mask := sub(exp(256, sub(32, length)), 1)\n let s := and(mload(source), not(mask))\n let d := and(mload(dest), mask)\n mstore(dest, or(s, d))\n }\n } else {\n // Skip the O(length) loop when source == dest.\n if (source == dest) {\n return;\n }\n\n // For large copies we copy whole words at a time. The final\n // word is aligned to the end of the range (instead of after the\n // previous) to handle partial words. So a copy will look like this:\n //\n // ####\n // ####\n // ####\n // ####\n //\n // We handle overlap in the source and destination range by\n // changing the copying direction. This prevents us from\n // overwriting parts of source that we still need to copy.\n //\n // This correctly handles source == dest\n //\n if (source > dest) {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because it\n // is easier to compare with in the loop, and these\n // are also the addresses we need for copying the\n // last bytes.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the last 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the last bytes in\n // source already due to overlap.\n let last := mload(sEnd)\n\n // Copy whole words front to back\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} lt(source, sEnd) {} {\n mstore(dest, mload(source))\n source := add(source, 32)\n dest := add(dest, 32)\n }\n \n // Write the last 32 bytes\n mstore(dEnd, last)\n }\n } else {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because those\n // are the starting points when copying a word at the end.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the first 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the first bytes in\n // source already due to overlap.\n let first := mload(source)\n\n // Copy whole words back to front\n // We use a signed comparisson here to allow dEnd to become\n // negative (happens when source and dest < 32). Valid\n // addresses in local memory will never be larger than\n // 2**255, so they can be safely re-interpreted as signed.\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} slt(dest, dEnd) {} {\n mstore(dEnd, mload(sEnd))\n sEnd := sub(sEnd, 32)\n dEnd := sub(dEnd, 32)\n }\n \n // Write the first 32 bytes\n mstore(dest, first)\n }\n }\n }\n }\n\n /// @dev Returns a slices from a byte array.\n /// @param b The byte array to take a slice from.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n function slice(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure and copy contents\n result = new bytes(to - from);\n memCopy(\n result.contentAddress(),\n b.contentAddress() + from,\n result.length\n );\n return result;\n }\n \n /// @dev Returns a slice from a byte array without preserving the input.\n /// @param b The byte array to take a slice from. Will be destroyed in the process.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n /// @dev When `from == 0`, the original array will match the slice. In other cases its state will be corrupted.\n function sliceDestructive(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure around [from, to) in-place.\n assembly {\n result := add(b, from)\n mstore(result, sub(to, from))\n }\n return result;\n }\n\n /// @dev Pops the last byte off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The byte that was popped off.\n function popLastByte(bytes memory b)\n internal\n pure\n returns (bytes1 result)\n {\n require(\n b.length > 0,\n \"GREATER_THAN_ZERO_LENGTH_REQUIRED\"\n );\n\n // Store last byte.\n result = b[b.length - 1];\n\n assembly {\n // Decrement length of byte array.\n let newLen := sub(mload(b), 1)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Pops the last 20 bytes off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The 20 byte address that was popped off.\n function popLast20Bytes(bytes memory b)\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= 20,\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Store last 20 bytes.\n result = readAddress(b, b.length - 20);\n\n assembly {\n // Subtract 20 from byte array length.\n let newLen := sub(mload(b), 20)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Tests equality of two byte arrays.\n /// @param lhs First byte array to compare.\n /// @param rhs Second byte array to compare.\n /// @return True if arrays are the same. False otherwise.\n function equals(\n bytes memory lhs,\n bytes memory rhs\n )\n internal\n pure\n returns (bool equal)\n {\n // Keccak gas cost is 30 + numWords * 6. This is a cheap way to compare.\n // We early exit on unequal lengths, but keccak would also correctly\n // handle this.\n return lhs.length == rhs.length && keccak256(lhs) == keccak256(rhs);\n }\n\n /// @dev Reads an address from a position in a byte array.\n /// @param b Byte array containing an address.\n /// @param index Index in byte array of address.\n /// @return address from byte array.\n function readAddress(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Read address from array memory\n assembly {\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 20-byte mask to obtain address\n result := and(mload(add(b, index)), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n return result;\n }\n\n /// @dev Writes an address into a specific position in a byte array.\n /// @param b Byte array to insert address into.\n /// @param index Index in byte array of address.\n /// @param input Address to put into byte array.\n function writeAddress(\n bytes memory b,\n uint256 index,\n address input\n )\n internal\n pure\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Store address into array memory\n assembly {\n // The address occupies 20 bytes and mstore stores 32 bytes.\n // First fetch the 32-byte word where we'll be storing the address, then\n // apply a mask so we have only the bytes in the word that the address will not occupy.\n // Then combine these bytes with the address and store the 32 bytes back to memory with mstore.\n\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 12-byte mask to obtain extra bytes occupying word of memory where we'll store the address\n let neighbors := and(\n mload(add(b, index)),\n 0xffffffffffffffffffffffff0000000000000000000000000000000000000000\n )\n \n // Make sure input address is clean.\n // (Solidity does not guarantee this)\n input := and(input, 0xffffffffffffffffffffffffffffffffffffffff)\n\n // Store the neighbors and address into memory\n mstore(add(b, index), xor(input, neighbors))\n }\n }\n\n /// @dev Reads a bytes32 value from a position in a byte array.\n /// @param b Byte array containing a bytes32 value.\n /// @param index Index in byte array of bytes32 value.\n /// @return bytes32 value from byte array.\n function readBytes32(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes32 result)\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n result := mload(add(b, index))\n }\n return result;\n }\n\n /// @dev Writes a bytes32 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes32 to put into byte array.\n function writeBytes32(\n bytes memory b,\n uint256 index,\n bytes32 input\n )\n internal\n pure\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n mstore(add(b, index), input)\n }\n }\n\n /// @dev Reads a uint256 value from a position in a byte array.\n /// @param b Byte array containing a uint256 value.\n /// @param index Index in byte array of uint256 value.\n /// @return uint256 value from byte array.\n function readUint256(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (uint256 result)\n {\n result = uint256(readBytes32(b, index));\n return result;\n }\n\n /// @dev Writes a uint256 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input uint256 to put into byte array.\n function writeUint256(\n bytes memory b,\n uint256 index,\n uint256 input\n )\n internal\n pure\n {\n writeBytes32(b, index, bytes32(input));\n }\n\n /// @dev Reads an unpadded bytes4 value from a position in a byte array.\n /// @param b Byte array containing a bytes4 value.\n /// @param index Index in byte array of bytes4 value.\n /// @return bytes4 value from byte array.\n function readBytes4(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes4 result)\n {\n require(\n b.length >= index + 4,\n \"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 32 byte length field\n index += 32;\n\n // Read the bytes4 from array memory\n assembly {\n result := mload(add(b, index))\n // Solidity does not require us to clean the trailing bytes.\n // We do it anyway\n result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)\n }\n return result;\n }\n\n /// @dev Reads nested bytes from a specific position.\n /// @dev NOTE: the returned value overlaps with the input value.\n /// Both should be treated as immutable.\n /// @param b Byte array containing nested bytes.\n /// @param index Index of nested bytes.\n /// @return result Nested bytes.\n function readBytesWithLength(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes memory result)\n {\n // Read length of nested bytes\n uint256 nestedBytesLength = readUint256(b, index);\n index += 32;\n\n // Assert length of is valid, given\n // length of nested bytes\n require(\n b.length >= index + nestedBytesLength,\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n \n // Return a pointer to the byte array as it exists inside `b`\n assembly {\n result := add(b, index)\n }\n return result;\n }\n\n /// @dev Inserts bytes at a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes to insert.\n function writeBytesWithLength(\n bytes memory b,\n uint256 index,\n bytes memory input\n )\n internal\n pure\n {\n // Assert length of is valid, given\n // length of input\n require(\n b.length >= index + 32 + input.length, // 32 bytes to store length\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n\n // Copy into \n memCopy(\n b.contentAddress() + index,\n input.rawAddress(), // includes length of \n input.length + 32 // +32 bytes to store length\n );\n }\n\n /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length.\n /// @param dest Byte array that will be overwritten with source bytes.\n /// @param source Byte array to copy onto dest bytes.\n function deepCopyBytes(\n bytes memory dest,\n bytes memory source\n )\n internal\n pure\n {\n uint256 sourceLen = source.length;\n // Dest length must be >= source length, or some bytes would not be copied.\n require(\n dest.length >= sourceLen,\n \"GREATER_OR_EQUAL_TO_SOURCE_BYTES_LENGTH_REQUIRED\"\n );\n memCopy(\n dest.contentAddress(),\n source.contentAddress(),\n sourceLen\n );\n }\n}\n", + "2.0.0/utils/Ownable/IOwnable.sol": "pragma solidity 0.4.24;\n\n\ncontract IOwnable {\n\n function transferOwnership(address newOwner)\n public;\n}\n", + "2.0.0/utils/Ownable/Ownable.sol": "pragma solidity 0.4.24;\n\nimport \"./IOwnable.sol\";\n\n\ncontract Ownable is\n IOwnable\n{\n address public owner;\n\n constructor ()\n public\n {\n owner = msg.sender;\n }\n\n modifier onlyOwner() {\n require(\n msg.sender == owner,\n \"ONLY_CONTRACT_OWNER\"\n );\n _;\n }\n\n function transferOwnership(address newOwner)\n public\n onlyOwner\n {\n if (newOwner != address(0)) {\n owner = newOwner;\n }\n }\n}\n", + "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ReentrancyGuard {\n\n // Locked state of mutex\n bool private locked = false;\n\n /// @dev Functions with this modifer cannot be reentered. The mutex will be locked\n /// before function execution and unlocked after.\n modifier nonReentrant() {\n // Ensure mutex is unlocked\n require(\n !locked,\n \"REENTRANCY_ILLEGAL\"\n );\n\n // Lock mutex before function call\n locked = true;\n\n // Perform function call\n _;\n\n // Unlock mutex after function call\n locked = false;\n }\n}\n", + "2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n\n function safeMul(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(\n c / a == b,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function safeDiv(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a / b;\n return c;\n }\n\n function safeSub(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n require(\n b <= a,\n \"UINT256_UNDERFLOW\"\n );\n return a - b;\n }\n\n function safeAdd(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a + b;\n require(\n c >= a,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function max64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n\n function max256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n}\n" + }, + "sourceTreeHashHex": "0xf4217ae1c8ee6ad15913d86a30747907f26acfb4a1970ea3c8a30d45ce9171d0", + "compiler": { + "name": "solc", + "version": "soljson-v0.4.24+commit.e67f0147.js", + "settings": { + "optimizer": { + "enabled": true, + "runs": 1000000 + }, + "outputSelection": { + "*": { + "*": [ + "abi", + "evm.bytecode.object", + "evm.bytecode.sourceMap", + "evm.deployedBytecode.object", + "evm.deployedBytecode.sourceMap" + ] + } + } + } + }, + "networks": {} +} \ No newline at end of file diff --git a/packages/migrations/artifacts/2.0.0-testnet/Exchange.json b/packages/migrations/artifacts/2.0.0-testnet/Exchange.json new file mode 100644 index 000000000..043b499b0 --- /dev/null +++ b/packages/migrations/artifacts/2.0.0-testnet/Exchange.json @@ -0,0 +1,2294 @@ +{ + "schemaVersion": "2.0.0", + "contractName": "Exchange", + "compilerOutput": { + "abi": [ + { + "constant": true, + "inputs": [ + { + "name": "", + "type": "bytes32" + } + ], + "name": "filled", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "components": [ + { + "name": "makerAddress", + "type": "address" + }, + { + "name": "takerAddress", + "type": "address" + }, + { + "name": "feeRecipientAddress", + "type": "address" + }, + { + "name": "senderAddress", + "type": "address" + }, + { + "name": "makerAssetAmount", + "type": "uint256" + }, + { + "name": "takerAssetAmount", + "type": "uint256" + }, + { + "name": "makerFee", + "type": "uint256" + }, + { + "name": "takerFee", + "type": "uint256" + }, + { + "name": "expirationTimeSeconds", + "type": "uint256" + }, + { + "name": "salt", + "type": "uint256" + }, + { + "name": "makerAssetData", + "type": "bytes" + }, + { + "name": "takerAssetData", + "type": "bytes" + } + ], + "name": "orders", + "type": "tuple[]" + }, + { + "name": "takerAssetFillAmounts", + "type": "uint256[]" + }, + { + "name": "signatures", + "type": "bytes[]" + } + ], + "name": "batchFillOrders", + "outputs": [ + { + "components": [ + { + "name": "makerAssetFilledAmount", + "type": "uint256" + }, + { + "name": "takerAssetFilledAmount", + "type": "uint256" + }, + { + "name": "makerFeePaid", + "type": "uint256" + }, + { + "name": "takerFeePaid", + "type": "uint256" + } + ], + "name": "totalFillResults", + "type": "tuple" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "", + "type": "bytes32" + } + ], + "name": "cancelled", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "hash", + "type": "bytes32" + }, + { + "name": "signerAddress", + "type": "address" + }, + { + "name": "signature", + "type": "bytes" + } + ], + "name": "preSign", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "components": [ + { + "name": "makerAddress", + "type": "address" + }, + { + "name": "takerAddress", + "type": "address" + }, + { + "name": "feeRecipientAddress", + "type": "address" + }, + { + "name": "senderAddress", + "type": "address" + }, + { + "name": "makerAssetAmount", + "type": "uint256" + }, + { + "name": "takerAssetAmount", + "type": "uint256" + }, + { + "name": "makerFee", + "type": "uint256" + }, + { + "name": "takerFee", + "type": "uint256" + }, + { + "name": "expirationTimeSeconds", + "type": "uint256" + }, + { + "name": "salt", + "type": "uint256" + }, + { + "name": "makerAssetData", + "type": "bytes" + }, + { + "name": "takerAssetData", + "type": "bytes" + } + ], + "name": "leftOrder", + "type": "tuple" + }, + { + "components": [ + { + "name": "makerAddress", + "type": "address" + }, + { + "name": "takerAddress", + "type": "address" + }, + { + "name": "feeRecipientAddress", + "type": "address" + }, + { + "name": "senderAddress", + "type": "address" + }, + { + "name": "makerAssetAmount", + "type": "uint256" + }, + { + "name": "takerAssetAmount", + "type": "uint256" + }, + { + "name": "makerFee", + "type": "uint256" + }, + { + "name": "takerFee", + "type": "uint256" + }, + { + "name": "expirationTimeSeconds", + "type": "uint256" + }, + { + "name": "salt", + "type": "uint256" + }, + { + "name": "makerAssetData", + "type": "bytes" + }, + { + "name": "takerAssetData", + "type": "bytes" + } + ], + "name": "rightOrder", + "type": "tuple" + }, + { + "name": "leftSignature", + "type": "bytes" + }, + { + "name": "rightSignature", + "type": "bytes" + } + ], + "name": "matchOrders", + "outputs": [ + { + "components": [ + { + "components": [ + { + "name": "makerAssetFilledAmount", + "type": "uint256" + }, + { + "name": "takerAssetFilledAmount", + "type": "uint256" + }, + { + "name": "makerFeePaid", + "type": "uint256" + }, + { + "name": "takerFeePaid", + "type": "uint256" + } + ], + "name": "left", + "type": "tuple" + }, + { + "components": [ + { + "name": "makerAssetFilledAmount", + "type": "uint256" + }, + { + "name": "takerAssetFilledAmount", + "type": "uint256" + }, + { + "name": "makerFeePaid", + "type": "uint256" + }, + { + "name": "takerFeePaid", + "type": "uint256" + } + ], + "name": "right", + "type": "tuple" + }, + { + "name": "leftMakerAssetSpreadAmount", + "type": "uint256" + } + ], + "name": "matchedFillResults", + "type": "tuple" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "components": [ + { + "name": "makerAddress", + "type": "address" + }, + { + "name": "takerAddress", + "type": "address" + }, + { + "name": "feeRecipientAddress", + "type": "address" + }, + { + "name": "senderAddress", + "type": "address" + }, + { + "name": "makerAssetAmount", + "type": "uint256" + }, + { + "name": "takerAssetAmount", + "type": "uint256" + }, + { + "name": "makerFee", + "type": "uint256" + }, + { + "name": "takerFee", + "type": "uint256" + }, + { + "name": "expirationTimeSeconds", + "type": "uint256" + }, + { + "name": "salt", + "type": "uint256" + }, + { + "name": "makerAssetData", + "type": "bytes" + }, + { + "name": "takerAssetData", + "type": "bytes" + } + ], + "name": "order", + "type": "tuple" + }, + { + "name": "takerAssetFillAmount", + "type": "uint256" + }, + { + "name": "signature", + "type": "bytes" + } + ], + "name": "fillOrderNoThrow", + "outputs": [ + { + "components": [ + { + "name": "makerAssetFilledAmount", + "type": "uint256" + }, + { + "name": "takerAssetFilledAmount", + "type": "uint256" + }, + { + "name": "makerFeePaid", + "type": "uint256" + }, + { + "name": "takerFeePaid", + "type": "uint256" + } + ], + "name": "fillResults", + "type": "tuple" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "", + "type": "bytes4" + } + ], + "name": "assetProxies", + "outputs": [ + { + "name": "", + "type": "address" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "components": [ + { + "name": "makerAddress", + "type": "address" + }, + { + "name": "takerAddress", + "type": "address" + }, + { + "name": "feeRecipientAddress", + "type": "address" + }, + { + "name": "senderAddress", + "type": "address" + }, + { + "name": "makerAssetAmount", + "type": "uint256" + }, + { + "name": "takerAssetAmount", + "type": "uint256" + }, + { + "name": "makerFee", + "type": "uint256" + }, + { + "name": "takerFee", + "type": "uint256" + }, + { + "name": "expirationTimeSeconds", + "type": "uint256" + }, + { + "name": "salt", + "type": "uint256" + }, + { + "name": "makerAssetData", + "type": "bytes" + }, + { + "name": "takerAssetData", + "type": "bytes" + } + ], + "name": "orders", + "type": "tuple[]" + } + ], + "name": "batchCancelOrders", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "components": [ + { + "name": "makerAddress", + "type": "address" + }, + { + "name": "takerAddress", + "type": "address" + }, + { + "name": "feeRecipientAddress", + "type": "address" + }, + { + "name": "senderAddress", + "type": "address" + }, + { + "name": "makerAssetAmount", + "type": "uint256" + }, + { + "name": "takerAssetAmount", + "type": "uint256" + }, + { + "name": "makerFee", + "type": "uint256" + }, + { + "name": "takerFee", + "type": "uint256" + }, + { + "name": "expirationTimeSeconds", + "type": "uint256" + }, + { + "name": "salt", + "type": "uint256" + }, + { + "name": "makerAssetData", + "type": "bytes" + }, + { + "name": "takerAssetData", + "type": "bytes" + } + ], + "name": "orders", + "type": "tuple[]" + }, + { + "name": "takerAssetFillAmounts", + "type": "uint256[]" + }, + { + "name": "signatures", + "type": "bytes[]" + } + ], + "name": "batchFillOrKillOrders", + "outputs": [ + { + "components": [ + { + "name": "makerAssetFilledAmount", + "type": "uint256" + }, + { + "name": "takerAssetFilledAmount", + "type": "uint256" + }, + { + "name": "makerFeePaid", + "type": "uint256" + }, + { + "name": "takerFeePaid", + "type": "uint256" + } + ], + "name": "totalFillResults", + "type": "tuple" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "targetOrderEpoch", + "type": "uint256" + } + ], + "name": "cancelOrdersUpTo", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "components": [ + { + "name": "makerAddress", + "type": "address" + }, + { + "name": "takerAddress", + "type": "address" + }, + { + "name": "feeRecipientAddress", + "type": "address" + }, + { + "name": "senderAddress", + "type": "address" + }, + { + "name": "makerAssetAmount", + "type": "uint256" + }, + { + "name": "takerAssetAmount", + "type": "uint256" + }, + { + "name": "makerFee", + "type": "uint256" + }, + { + "name": "takerFee", + "type": "uint256" + }, + { + "name": "expirationTimeSeconds", + "type": "uint256" + }, + { + "name": "salt", + "type": "uint256" + }, + { + "name": "makerAssetData", + "type": "bytes" + }, + { + "name": "takerAssetData", + "type": "bytes" + } + ], + "name": "orders", + "type": "tuple[]" + }, + { + "name": "takerAssetFillAmounts", + "type": "uint256[]" + }, + { + "name": "signatures", + "type": "bytes[]" + } + ], + "name": "batchFillOrdersNoThrow", + "outputs": [ + { + "components": [ + { + "name": "makerAssetFilledAmount", + "type": "uint256" + }, + { + "name": "takerAssetFilledAmount", + "type": "uint256" + }, + { + "name": "makerFeePaid", + "type": "uint256" + }, + { + "name": "takerFeePaid", + "type": "uint256" + } + ], + "name": "totalFillResults", + "type": "tuple" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "assetProxyId", + "type": "bytes4" + } + ], + "name": "getAssetProxy", + "outputs": [ + { + "name": "", + "type": "address" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "", + "type": "bytes32" + } + ], + "name": "transactions", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "components": [ + { + "name": "makerAddress", + "type": "address" + }, + { + "name": "takerAddress", + "type": "address" + }, + { + "name": "feeRecipientAddress", + "type": "address" + }, + { + "name": "senderAddress", + "type": "address" + }, + { + "name": "makerAssetAmount", + "type": "uint256" + }, + { + "name": "takerAssetAmount", + "type": "uint256" + }, + { + "name": "makerFee", + "type": "uint256" + }, + { + "name": "takerFee", + "type": "uint256" + }, + { + "name": "expirationTimeSeconds", + "type": "uint256" + }, + { + "name": "salt", + "type": "uint256" + }, + { + "name": "makerAssetData", + "type": "bytes" + }, + { + "name": "takerAssetData", + "type": "bytes" + } + ], + "name": "order", + "type": "tuple" + }, + { + "name": "takerAssetFillAmount", + "type": "uint256" + }, + { + "name": "signature", + "type": "bytes" + } + ], + "name": "fillOrKillOrder", + "outputs": [ + { + "components": [ + { + "name": "makerAssetFilledAmount", + "type": "uint256" + }, + { + "name": "takerAssetFilledAmount", + "type": "uint256" + }, + { + "name": "makerFeePaid", + "type": "uint256" + }, + { + "name": "takerFeePaid", + "type": "uint256" + } + ], + "name": "fillResults", + "type": "tuple" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "validatorAddress", + "type": "address" + }, + { + "name": "approval", + "type": "bool" + } + ], + "name": "setSignatureValidatorApproval", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "", + "type": "address" + }, + { + "name": "", + "type": "address" + } + ], + "name": "allowedValidators", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "components": [ + { + "name": "makerAddress", + "type": "address" + }, + { + "name": "takerAddress", + "type": "address" + }, + { + "name": "feeRecipientAddress", + "type": "address" + }, + { + "name": "senderAddress", + "type": "address" + }, + { + "name": "makerAssetAmount", + "type": "uint256" + }, + { + "name": "takerAssetAmount", + "type": "uint256" + }, + { + "name": "makerFee", + "type": "uint256" + }, + { + "name": "takerFee", + "type": "uint256" + }, + { + "name": "expirationTimeSeconds", + "type": "uint256" + }, + { + "name": "salt", + "type": "uint256" + }, + { + "name": "makerAssetData", + "type": "bytes" + }, + { + "name": "takerAssetData", + "type": "bytes" + } + ], + "name": "orders", + "type": "tuple[]" + }, + { + "name": "takerAssetFillAmount", + "type": "uint256" + }, + { + "name": "signatures", + "type": "bytes[]" + } + ], + "name": "marketSellOrders", + "outputs": [ + { + "components": [ + { + "name": "makerAssetFilledAmount", + "type": "uint256" + }, + { + "name": "takerAssetFilledAmount", + "type": "uint256" + }, + { + "name": "makerFeePaid", + "type": "uint256" + }, + { + "name": "takerFeePaid", + "type": "uint256" + } + ], + "name": "totalFillResults", + "type": "tuple" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "components": [ + { + "name": "makerAddress", + "type": "address" + }, + { + "name": "takerAddress", + "type": "address" + }, + { + "name": "feeRecipientAddress", + "type": "address" + }, + { + "name": "senderAddress", + "type": "address" + }, + { + "name": "makerAssetAmount", + "type": "uint256" + }, + { + "name": "takerAssetAmount", + "type": "uint256" + }, + { + "name": "makerFee", + "type": "uint256" + }, + { + "name": "takerFee", + "type": "uint256" + }, + { + "name": "expirationTimeSeconds", + "type": "uint256" + }, + { + "name": "salt", + "type": "uint256" + }, + { + "name": "makerAssetData", + "type": "bytes" + }, + { + "name": "takerAssetData", + "type": "bytes" + } + ], + "name": "orders", + "type": "tuple[]" + } + ], + "name": "getOrdersInfo", + "outputs": [ + { + "components": [ + { + "name": "orderStatus", + "type": "uint8" + }, + { + "name": "orderHash", + "type": "bytes32" + }, + { + "name": "orderTakerAssetFilledAmount", + "type": "uint256" + } + ], + "name": "", + "type": "tuple[]" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "", + "type": "bytes32" + }, + { + "name": "", + "type": "address" + } + ], + "name": "preSigned", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "owner", + "outputs": [ + { + "name": "", + "type": "address" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "hash", + "type": "bytes32" + }, + { + "name": "signerAddress", + "type": "address" + }, + { + "name": "signature", + "type": "bytes" + } + ], + "name": "isValidSignature", + "outputs": [ + { + "name": "isValid", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "components": [ + { + "name": "makerAddress", + "type": "address" + }, + { + "name": "takerAddress", + "type": "address" + }, + { + "name": "feeRecipientAddress", + "type": "address" + }, + { + "name": "senderAddress", + "type": "address" + }, + { + "name": "makerAssetAmount", + "type": "uint256" + }, + { + "name": "takerAssetAmount", + "type": "uint256" + }, + { + "name": "makerFee", + "type": "uint256" + }, + { + "name": "takerFee", + "type": "uint256" + }, + { + "name": "expirationTimeSeconds", + "type": "uint256" + }, + { + "name": "salt", + "type": "uint256" + }, + { + "name": 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"address" + }, + { + "name": "makerAssetAmount", + "type": "uint256" + }, + { + "name": "takerAssetAmount", + "type": "uint256" + }, + { + "name": "makerFee", + "type": "uint256" + }, + { + "name": "takerFee", + "type": "uint256" + }, + { + "name": "expirationTimeSeconds", + "type": "uint256" + }, + { + "name": "salt", + "type": "uint256" + }, + { + "name": "makerAssetData", + "type": "bytes" + }, + { + "name": "takerAssetData", + "type": "bytes" + } + ], + "name": "order", + "type": "tuple" + }, + { + "name": "takerAssetFillAmount", + "type": "uint256" + }, + { + "name": "signature", + "type": "bytes" + } + ], + "name": "fillOrder", + "outputs": [ + { + "components": [ + { + "name": "makerAssetFilledAmount", + "type": "uint256" + }, + { + "name": "takerAssetFilledAmount", + "type": "uint256" + }, + { + "name": "makerFeePaid", + "type": "uint256" + }, + { + "name": "takerFeePaid", + "type": "uint256" + } + ], + "name": "fillResults", + "type": "tuple" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "salt", + "type": "uint256" + }, + { + "name": "signerAddress", + "type": "address" + }, + { + "name": "data", + "type": "bytes" + }, + { + "name": "signature", + "type": "bytes" + } + ], + "name": "executeTransaction", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "assetProxy", + "type": "address" + } + ], + "name": "registerAssetProxy", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "components": [ + { + "name": "makerAddress", + "type": "address" + }, + { + "name": "takerAddress", + "type": "address" + }, + { + "name": "feeRecipientAddress", + "type": "address" + }, + { + "name": "senderAddress", + "type": "address" + }, + { + "name": "makerAssetAmount", + "type": "uint256" + }, + { + "name": "takerAssetAmount", + "type": "uint256" + }, + { + "name": "makerFee", + "type": "uint256" + }, + { + "name": "takerFee", + "type": "uint256" + }, + { + "name": "expirationTimeSeconds", + "type": "uint256" + }, + { + "name": "salt", + "type": "uint256" + }, + { + "name": "makerAssetData", + "type": "bytes" + }, + { + "name": "takerAssetData", + "type": "bytes" + } + ], + "name": "order", + "type": "tuple" + } + ], + "name": "getOrderInfo", + "outputs": [ + { + "components": [ + { + "name": "orderStatus", + "type": "uint8" + }, + { + "name": "orderHash", + "type": "bytes32" + }, + { + "name": "orderTakerAssetFilledAmount", + "type": "uint256" + } + ], + "name": "orderInfo", + "type": "tuple" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "components": [ + { + "name": "makerAddress", + "type": "address" + }, + { + "name": "takerAddress", + "type": "address" + }, + { + "name": "feeRecipientAddress", + "type": "address" + }, + { + "name": "senderAddress", + "type": "address" + }, + { + "name": "makerAssetAmount", + "type": "uint256" + }, + { + "name": "takerAssetAmount", + "type": "uint256" + }, + { + "name": "makerFee", + "type": "uint256" + }, + { + "name": "takerFee", + "type": "uint256" + }, + { + "name": "expirationTimeSeconds", + "type": "uint256" + }, + { + "name": "salt", + "type": "uint256" + }, + { + "name": "makerAssetData", + "type": "bytes" + }, + { + "name": "takerAssetData", + "type": "bytes" + } + ], + "name": "order", + "type": "tuple" + } + ], + "name": "cancelOrder", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "", + "type": "address" + }, + { + "name": "", + "type": "address" + } + ], + "name": "orderEpoch", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "ZRX_ASSET_DATA", + "outputs": [ + { + "name": "", + "type": "bytes" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "components": [ + { + "name": "makerAddress", + "type": "address" + }, + { + "name": "takerAddress", + "type": "address" + }, + { + "name": "feeRecipientAddress", + "type": "address" + }, + { + "name": "senderAddress", + "type": "address" + }, + { + "name": "makerAssetAmount", + "type": "uint256" + }, + { + "name": "takerAssetAmount", + "type": "uint256" + }, + { + "name": "makerFee", + "type": "uint256" + }, + { + "name": "takerFee", + "type": "uint256" + }, + { + "name": "expirationTimeSeconds", + "type": "uint256" + }, + { + "name": "salt", + "type": "uint256" + }, + { + "name": "makerAssetData", + "type": "bytes" + }, + { + "name": "takerAssetData", + "type": "bytes" + } + ], + "name": "orders", + "type": "tuple[]" + }, + { + "name": "takerAssetFillAmount", + "type": "uint256" + }, + { + "name": "signatures", + "type": "bytes[]" + } + ], + "name": "marketSellOrdersNoThrow", + "outputs": [ + { + "components": [ + { + "name": "makerAssetFilledAmount", + "type": "uint256" + }, + { + "name": "takerAssetFilledAmount", + "type": "uint256" + }, + { + "name": "makerFeePaid", + "type": "uint256" + }, + { + "name": "takerFeePaid", + "type": "uint256" + } + ], + "name": "totalFillResults", + "type": "tuple" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "EIP712_DOMAIN_HASH", + "outputs": [ + { + "name": "", + "type": "bytes32" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "components": [ + { + "name": "makerAddress", + "type": "address" + }, + { + "name": "takerAddress", + "type": "address" + }, + { + "name": "feeRecipientAddress", + "type": "address" + }, + { + "name": "senderAddress", + "type": "address" + }, + { + "name": "makerAssetAmount", + "type": "uint256" + }, + { + "name": "takerAssetAmount", + "type": "uint256" + }, + { + "name": "makerFee", + "type": "uint256" + }, + { + "name": "takerFee", + "type": "uint256" + }, + { + "name": "expirationTimeSeconds", + "type": "uint256" + }, + { + "name": "salt", + "type": "uint256" + }, + { + "name": "makerAssetData", + "type": "bytes" + }, + { + "name": "takerAssetData", + "type": "bytes" + } + ], + "name": "orders", + "type": "tuple[]" + }, + { + "name": "makerAssetFillAmount", + "type": "uint256" + }, + { + "name": "signatures", + "type": "bytes[]" + } + ], + "name": "marketBuyOrders", + "outputs": [ + { + "components": [ + { + "name": "makerAssetFilledAmount", + "type": "uint256" + }, + { + "name": "takerAssetFilledAmount", + "type": "uint256" + }, + { + "name": "makerFeePaid", + "type": "uint256" + }, + { + "name": "takerFeePaid", + "type": "uint256" + } + ], + "name": "totalFillResults", + "type": "tuple" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "currentContextAddress", + "outputs": [ + { + "name": "", + "type": "address" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "newOwner", + "type": "address" + } + ], + "name": "transferOwnership", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "VERSION", + "outputs": [ + { + "name": "", + "type": "string" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "inputs": [ + { + "name": "_zrxAssetData", + "type": "bytes" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "constructor" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": 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+ "opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x0 DUP1 SLOAD PUSH1 0xFF NOT AND SWAP1 SSTORE CALLVALUE DUP1 ISZERO PUSH3 0x1B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x40 MLOAD PUSH3 0x5EC0 CODESIZE SUB DUP1 PUSH3 0x5EC0 DUP4 CODECOPY DUP2 ADD DUP1 PUSH1 0x40 MSTORE PUSH3 0x41 SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH3 0x44D JUMP JUMPDEST DUP1 MLOAD DUP2 SWAP1 PUSH3 0x58 SWAP1 PUSH1 0x1 SWAP1 PUSH1 0x20 DUP5 ADD SWAP1 PUSH3 0x34C JUMP JUMPDEST POP POP PUSH1 0x40 DUP1 MLOAD PUSH32 0x454950373132446F6D61696E2800000000000000000000000000000000000000 PUSH1 0x20 DUP1 DUP4 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH32 0x737472696E67206E616D652C0000000000000000000000000000000000000000 PUSH1 0x2D DUP4 ADD MSTORE PUSH32 0x737472696E672076657273696F6E2C0000000000000000000000000000000000 PUSH1 0x39 DUP4 ADD MSTORE PUSH32 0x6164647265737320766572696679696E67436F6E747261637400000000000000 PUSH1 0x48 DUP4 ADD MSTORE PUSH32 0x2900000000000000000000000000000000000000000000000000000000000000 PUSH1 0x61 DUP4 ADD MSTORE DUP3 MLOAD PUSH1 0x42 DUP2 DUP5 SUB ADD DUP2 MSTORE PUSH1 0x62 SWAP1 SWAP3 ADD SWAP3 DUP4 SWAP1 MSTORE DUP2 MLOAD SWAP2 SWAP3 SWAP2 DUP3 SWAP2 DUP5 ADD SWAP1 DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH3 0x162 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH1 0x1F NOT SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH3 0x141 JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH1 0x0 NOT ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 DUP1 MLOAD SWAP3 SWAP1 SWAP5 ADD DUP3 SWAP1 SUB DUP3 KECCAK256 DUP3 DUP6 ADD DUP6 MSTORE PUSH1 0xB DUP1 DUP5 MSTORE PUSH32 0x30782050726F746F636F6C000000000000000000000000000000000000000000 SWAP3 DUP5 ADD SWAP3 DUP4 MSTORE SWAP5 MLOAD SWAP1 SWAP7 POP SWAP2 SWAP5 POP SWAP1 SWAP3 DUP4 SWAP3 POP DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH3 0x1EC JUMPI DUP1 MLOAD DUP3 MSTORE PUSH1 0x1F NOT SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH3 0x1CB JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH1 0x0 NOT ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 DUP1 MLOAD SWAP3 SWAP1 SWAP5 ADD DUP3 SWAP1 SUB DUP3 KECCAK256 DUP3 DUP6 ADD DUP6 MSTORE PUSH1 0x1 DUP1 DUP5 MSTORE PUSH32 0x3200000000000000000000000000000000000000000000000000000000000000 SWAP3 DUP5 ADD SWAP3 DUP4 MSTORE SWAP5 MLOAD SWAP1 SWAP7 POP SWAP2 SWAP5 POP SWAP1 SWAP3 DUP4 SWAP3 POP DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH3 0x276 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH1 0x1F NOT SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH3 0x255 JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH1 0x0 NOT ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 DUP1 MLOAD SWAP3 SWAP1 SWAP5 ADD DUP3 SWAP1 SUB DUP3 KECCAK256 DUP3 DUP3 ADD SWAP9 SWAP1 SWAP9 MSTORE DUP2 DUP5 ADD SWAP7 SWAP1 SWAP7 MSTORE PUSH1 0x60 DUP2 ADD SWAP7 SWAP1 SWAP7 MSTORE POP ADDRESS PUSH1 0x80 DUP1 DUP8 ADD SWAP2 SWAP1 SWAP2 MSTORE DUP2 MLOAD DUP1 DUP8 SUB SWAP1 SWAP2 ADD DUP2 MSTORE PUSH1 0xA0 SWAP1 SWAP6 ADD SWAP1 DUP2 SWAP1 MSTORE DUP5 MLOAD SWAP1 SWAP4 DUP5 SWAP4 POP DUP6 ADD SWAP2 POP DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH3 0x301 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH1 0x1F NOT SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH3 0x2E0 JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x0 NOT PUSH1 0x20 SWAP5 SWAP1 SWAP5 SUB PUSH2 0x100 EXP SWAP4 SWAP1 SWAP4 ADD SWAP3 DUP4 AND SWAP3 NOT AND SWAP2 SWAP1 SWAP2 OR SWAP1 MSTORE PUSH1 0x40 MLOAD SWAP3 ADD DUP3 SWAP1 SUB SWAP1 SWAP2 KECCAK256 PUSH1 0x2 SSTORE POP POP PUSH1 0x3 DUP1 SLOAD PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB NOT AND CALLER OR SWAP1 SSTORE POP PUSH3 0x50F SWAP1 POP JUMP JUMPDEST DUP3 DUP1 SLOAD PUSH1 0x1 DUP2 PUSH1 0x1 AND ISZERO PUSH2 0x100 MUL SUB AND PUSH1 0x2 SWAP1 DIV SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 PUSH1 0x1F ADD PUSH1 0x20 SWAP1 DIV DUP2 ADD SWAP3 DUP3 PUSH1 0x1F LT PUSH3 0x38F JUMPI DUP1 MLOAD PUSH1 0xFF NOT AND DUP4 DUP1 ADD OR DUP6 SSTORE PUSH3 0x3BF JUMP JUMPDEST DUP3 DUP1 ADD PUSH1 0x1 ADD DUP6 SSTORE DUP3 ISZERO PUSH3 0x3BF JUMPI SWAP2 DUP3 ADD JUMPDEST DUP3 DUP2 GT ISZERO PUSH3 0x3BF JUMPI DUP3 MLOAD DUP3 SSTORE SWAP2 PUSH1 0x20 ADD SWAP2 SWAP1 PUSH1 0x1 ADD SWAP1 PUSH3 0x3A2 JUMP JUMPDEST POP PUSH3 0x3CD SWAP3 SWAP2 POP PUSH3 0x3D1 JUMP JUMPDEST POP SWAP1 JUMP JUMPDEST PUSH3 0x3EE SWAP2 SWAP1 JUMPDEST DUP1 DUP3 GT ISZERO PUSH3 0x3CD JUMPI PUSH1 0x0 DUP2 SSTORE PUSH1 0x1 ADD PUSH3 0x3D8 JUMP JUMPDEST SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH3 0x403 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 MLOAD PUSH3 0x41A PUSH3 0x414 DUP3 PUSH3 0x4B4 JUMP JUMPDEST PUSH3 0x48D JUMP JUMPDEST SWAP2 POP DUP1 DUP3 MSTORE PUSH1 0x20 DUP4 ADD PUSH1 0x20 DUP4 ADD DUP6 DUP4 DUP4 ADD GT ISZERO PUSH3 0x437 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH3 0x444 DUP4 DUP3 DUP5 PUSH3 0x4DC JUMP JUMPDEST POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH3 0x460 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 MLOAD PUSH1 0x1 PUSH1 0x40 PUSH1 0x2 EXP SUB DUP2 GT ISZERO PUSH3 0x477 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH3 0x485 DUP5 DUP3 DUP6 ADD PUSH3 0x3F1 JUMP JUMPDEST SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x40 MLOAD DUP2 DUP2 ADD PUSH1 0x1 PUSH1 0x40 PUSH1 0x2 EXP SUB DUP2 GT DUP3 DUP3 LT OR ISZERO PUSH3 0x4AC JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x40 MSTORE SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1 PUSH1 0x40 PUSH1 0x2 EXP SUB DUP3 GT ISZERO PUSH3 0x4CB JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x20 PUSH1 0x1F SWAP2 SWAP1 SWAP2 ADD PUSH1 0x1F NOT AND ADD SWAP1 JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH3 0x4F9 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH3 0x4DF JUMP JUMPDEST DUP4 DUP2 GT ISZERO PUSH3 0x509 JUMPI PUSH1 0x0 DUP5 DUP5 ADD MSTORE JUMPDEST POP POP POP POP JUMP JUMPDEST PUSH2 0x59A1 DUP1 PUSH3 0x51F PUSH1 0x0 CODECOPY PUSH1 0x0 RETURN STOP PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0x1B6 JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x288CDC91 DUP2 EQ PUSH2 0x1BB JUMPI DUP1 PUSH4 0x297BB70B EQ PUSH2 0x1F1 JUMPI DUP1 PUSH4 0x2AC12622 EQ PUSH2 0x21E JUMPI DUP1 PUSH4 0x3683EF8E EQ PUSH2 0x24B JUMPI DUP1 PUSH4 0x3C28D861 EQ PUSH2 0x26D JUMPI DUP1 PUSH4 0x3E228BAE EQ PUSH2 0x29A JUMPI DUP1 PUSH4 0x3FD3C997 EQ PUSH2 0x2BA JUMPI DUP1 PUSH4 0x4AC14782 EQ PUSH2 0x2E7 JUMPI DUP1 PUSH4 0x4D0AE546 EQ PUSH2 0x307 JUMPI DUP1 PUSH4 0x4F9559B1 EQ PUSH2 0x327 JUMPI DUP1 PUSH4 0x50DDE190 EQ PUSH2 0x347 JUMPI DUP1 PUSH4 0x60704108 EQ PUSH2 0x367 JUMPI DUP1 PUSH4 0x642F2EAF EQ PUSH2 0x394 JUMPI DUP1 PUSH4 0x64A3BC15 EQ PUSH2 0x3B4 JUMPI DUP1 PUSH4 0x77FCCE68 EQ PUSH2 0x3D4 JUMPI DUP1 PUSH4 0x7B8E3514 EQ PUSH2 0x3F4 JUMPI DUP1 PUSH4 0x7E1D9808 EQ PUSH2 0x414 JUMPI DUP1 PUSH4 0x7E9D74DC EQ PUSH2 0x434 JUMPI DUP1 PUSH4 0x82C174D0 EQ PUSH2 0x461 JUMPI DUP1 PUSH4 0x8DA5CB5B EQ PUSH2 0x481 JUMPI DUP1 PUSH4 0x93634702 EQ PUSH2 0x496 JUMPI DUP1 PUSH4 0xA3E20380 EQ PUSH2 0x4B6 JUMPI DUP1 PUSH4 0xB4BE83D5 EQ PUSH2 0x4D6 JUMPI DUP1 PUSH4 0xBFC8BFCE EQ PUSH2 0x4F6 JUMPI DUP1 PUSH4 0xC585BB93 EQ PUSH2 0x516 JUMPI DUP1 PUSH4 0xC75E0A81 EQ PUSH2 0x536 JUMPI DUP1 PUSH4 0xD46B02C3 EQ PUSH2 0x563 JUMPI DUP1 PUSH4 0xD9BFA73E EQ PUSH2 0x583 JUMPI DUP1 PUSH4 0xDB123B1A EQ PUSH2 0x5A3 JUMPI DUP1 PUSH4 0xDD1C7D18 EQ PUSH2 0x5C5 JUMPI DUP1 PUSH4 0xE306F779 EQ PUSH2 0x5E5 JUMPI DUP1 PUSH4 0xE5FA431B EQ PUSH2 0x5FA JUMPI DUP1 PUSH4 0xEEA086BA EQ PUSH2 0x61A JUMPI DUP1 PUSH4 0xF2FDE38B EQ PUSH2 0x62F JUMPI DUP1 PUSH4 0xFFA1AD74 EQ PUSH2 0x64F JUMPI JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1C7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH2 0x1D6 CALLDATASIZE PUSH1 0x4 PUSH2 0x48EE JUMP JUMPDEST PUSH2 0x664 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x5513 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1FD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x20C CALLDATASIZE PUSH1 0x4 PUSH2 0x4811 JUMP JUMPDEST PUSH2 0x676 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x57ED JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x22A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x23E PUSH2 0x239 CALLDATASIZE PUSH1 0x4 PUSH2 0x48EE JUMP JUMPDEST PUSH2 0x7A1 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x5505 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x257 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x266 CALLDATASIZE PUSH1 0x4 PUSH2 0x492B JUMP JUMPDEST PUSH2 0x7B6 JUMP JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x279 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x28D PUSH2 0x288 CALLDATASIZE PUSH1 0x4 PUSH2 0x4A5F JUMP JUMPDEST PUSH2 0x8A3 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x57FB JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2A6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x2B5 CALLDATASIZE PUSH1 0x4 PUSH2 0x4B1F JUMP JUMPDEST PUSH2 0xA3A JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2C6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2DA PUSH2 0x2D5 CALLDATASIZE PUSH1 0x4 PUSH2 0x49EE JUMP JUMPDEST PUSH2 0xA90 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x55CF JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2F3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x302 CALLDATASIZE PUSH1 0x4 PUSH2 0x47DC JUMP JUMPDEST PUSH2 0xAB8 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x313 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x322 CALLDATASIZE PUSH1 0x4 PUSH2 0x4811 JUMP JUMPDEST PUSH2 0xB85 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x333 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x342 CALLDATASIZE PUSH1 0x4 PUSH2 0x48EE JUMP JUMPDEST PUSH2 0xC75 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x353 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x362 CALLDATASIZE PUSH1 0x4 PUSH2 0x4811 JUMP JUMPDEST PUSH2 0xE2A JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x373 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x387 PUSH2 0x382 CALLDATASIZE PUSH1 0x4 PUSH2 0x49EE JUMP JUMPDEST PUSH2 0xEBE JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x5425 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3A0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x23E PUSH2 0x3AF CALLDATASIZE PUSH1 0x4 PUSH2 0x48EE JUMP JUMPDEST PUSH2 0xF0C JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3C0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x3CF CALLDATASIZE PUSH1 0x4 PUSH2 0x4B1F JUMP JUMPDEST PUSH2 0xF21 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3E0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x3EF CALLDATASIZE PUSH1 0x4 PUSH2 0x47AC JUMP JUMPDEST PUSH2 0xFCC JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x400 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x23E PUSH2 0x40F CALLDATASIZE PUSH1 0x4 PUSH2 0x4772 JUMP JUMPDEST PUSH2 0x1106 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x420 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x42F CALLDATASIZE PUSH1 0x4 PUSH2 0x48A5 JUMP JUMPDEST PUSH2 0x1126 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x440 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x454 PUSH2 0x44F CALLDATASIZE PUSH1 0x4 PUSH2 0x47DC JUMP JUMPDEST PUSH2 0x128A JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x54F4 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x46D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x23E PUSH2 0x47C CALLDATASIZE PUSH1 0x4 PUSH2 0x490C JUMP JUMPDEST PUSH2 0x131F JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x48D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x387 PUSH2 0x133F JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x4A2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x23E PUSH2 0x4B1 CALLDATASIZE PUSH1 0x4 PUSH2 0x4993 JUMP JUMPDEST PUSH2 0x135B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x4C2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x4D1 CALLDATASIZE PUSH1 0x4 PUSH2 0x48A5 JUMP JUMPDEST PUSH2 0x18DE JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x4E2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x4F1 CALLDATASIZE PUSH1 0x4 PUSH2 0x4B1F JUMP JUMPDEST PUSH2 0x19F1 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x502 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x511 CALLDATASIZE PUSH1 0x4 PUSH2 0x4B68 JUMP JUMPDEST PUSH2 0x1A6C JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x522 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x531 CALLDATASIZE PUSH1 0x4 PUSH2 0x4754 JUMP JUMPDEST PUSH2 0x1D05 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x542 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x556 PUSH2 0x551 CALLDATASIZE PUSH1 0x4 PUSH2 0x4A2A JUMP JUMPDEST PUSH2 0x1F30 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x580A JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x56F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x57E CALLDATASIZE PUSH1 0x4 PUSH2 0x4A2A JUMP JUMPDEST PUSH2 0x202A JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x58F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH2 0x59E CALLDATASIZE PUSH1 0x4 PUSH2 0x4772 JUMP JUMPDEST PUSH2 0x20C6 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x5AF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x5B8 PUSH2 0x20E3 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x55BE JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x5D1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x5E0 CALLDATASIZE PUSH1 0x4 PUSH2 0x48A5 JUMP JUMPDEST PUSH2 0x218E JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x5F1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH2 0x2263 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x606 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x615 CALLDATASIZE PUSH1 0x4 PUSH2 0x48A5 JUMP JUMPDEST PUSH2 0x2269 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x626 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x387 PUSH2 0x23DB JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x63B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x64A CALLDATASIZE PUSH1 0x4 PUSH2 0x4754 JUMP JUMPDEST PUSH2 0x23F7 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x65B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x5B8 PUSH2 0x24A8 JUMP JUMPDEST PUSH1 0x4 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP2 JUMP JUMPDEST PUSH2 0x67E PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0x689 PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x6CF JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x576D JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR DUP2 SSTORE DUP8 MLOAD SWAP4 POP SWAP2 POP JUMPDEST DUP2 DUP4 EQ PUSH2 0x76F JUMPI PUSH2 0x758 DUP8 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x719 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP8 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x731 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP8 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x749 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x24DF JUMP JUMPDEST SWAP1 POP PUSH2 0x764 DUP5 DUP3 PUSH2 0x257D JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH2 0x701 JUMP JUMPDEST POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x5 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND CALLER EQ PUSH2 0x846 JUMPI PUSH2 0x80E DUP5 DUP5 DUP5 DUP5 DUP1 DUP1 PUSH1 0x1F ADD PUSH1 0x20 DUP1 SWAP2 DIV MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP4 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP4 DUP4 DUP1 DUP3 DUP5 CALLDATACOPY POP PUSH2 0x135B SWAP5 POP POP POP POP POP JUMP JUMPDEST ISZERO ISZERO PUSH2 0x846 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x569D JUMP JUMPDEST POP POP PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x7 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP4 AND DUP5 MSTORE SWAP2 SWAP1 MSTORE SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE JUMP JUMPDEST PUSH2 0x8AB PUSH2 0x43AF JUMP JUMPDEST PUSH2 0x8B3 PUSH2 0x43DE JUMP JUMPDEST PUSH2 0x8BB PUSH2 0x43DE JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x8F9 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x576D JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE PUSH2 0x160 DUP1 DUP10 ADD MLOAD PUSH2 0x140 DUP1 DUP11 ADD SWAP2 SWAP1 SWAP2 MSTORE DUP10 ADD MLOAD SWAP1 DUP9 ADD MSTORE PUSH2 0x945 DUP9 PUSH2 0x1F30 JUMP JUMPDEST SWAP3 POP PUSH2 0x950 DUP8 PUSH2 0x1F30 JUMP JUMPDEST SWAP2 POP PUSH2 0x95A PUSH2 0x25DF JUMP JUMPDEST SWAP1 POP PUSH2 0x968 DUP9 DUP5 DUP4 DUP10 PUSH2 0x2611 JUMP JUMPDEST PUSH2 0x974 DUP8 DUP4 DUP4 DUP9 PUSH2 0x2611 JUMP JUMPDEST PUSH2 0x97E DUP9 DUP9 PUSH2 0x27A9 JUMP JUMPDEST PUSH2 0x992 DUP9 DUP9 DUP6 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x40 ADD MLOAD PUSH2 0x2809 JUMP JUMPDEST DUP1 MLOAD PUSH1 0x20 DUP2 ADD MLOAD SWAP1 MLOAD SWAP2 SWAP6 POP PUSH2 0x9AD SWAP2 DUP11 SWAP2 DUP7 SWAP2 DUP2 SWAP1 PUSH2 0x2990 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP6 ADD MLOAD SWAP1 DUP2 ADD MLOAD SWAP1 MLOAD PUSH2 0x9C9 SWAP2 DUP10 SWAP2 DUP6 SWAP2 SWAP1 DUP2 SWAP1 PUSH2 0x2990 JUMP JUMPDEST PUSH2 0x9E2 DUP9 DUP3 DUP6 PUSH1 0x20 ADD MLOAD DUP7 PUSH1 0x40 ADD MLOAD DUP9 PUSH1 0x0 ADD MLOAD PUSH2 0x2AA9 JUMP JUMPDEST PUSH2 0x9FB DUP8 DUP3 DUP5 PUSH1 0x20 ADD MLOAD DUP6 PUSH1 0x40 ADD MLOAD DUP9 PUSH1 0x20 ADD MLOAD PUSH2 0x2AA9 JUMP JUMPDEST PUSH2 0xA07 DUP9 DUP9 DUP4 DUP8 PUSH2 0x2B55 JUMP JUMPDEST POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH2 0xA42 PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x60 PUSH2 0xA4F DUP6 DUP6 DUP6 PUSH2 0x2D2D JUMP JUMPDEST SWAP1 POP PUSH1 0x80 DUP2 DUP3 MLOAD PUSH1 0x20 DUP5 ADD ADDRESS GAS DELEGATECALL DUP1 ISZERO PUSH2 0xA86 JUMPI DUP2 MLOAD DUP4 MSTORE PUSH1 0x20 DUP3 ADD MLOAD PUSH1 0x20 DUP5 ADD MSTORE PUSH1 0x40 DUP3 ADD MLOAD PUSH1 0x40 DUP5 ADD MSTORE PUSH1 0x60 DUP3 ADD MLOAD PUSH1 0x60 DUP5 ADD MSTORE JUMPDEST POP JUMPDEST POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0xB PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD DUP2 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0xAF8 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x576D JUMP JUMPDEST POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR DUP2 SSTORE DUP2 MLOAD SWAP1 JUMPDEST DUP1 DUP3 EQ PUSH2 0xB58 JUMPI PUSH2 0xB50 DUP4 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xB41 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x2EFF JUMP JUMPDEST PUSH1 0x1 ADD PUSH2 0xB29 JUMP JUMPDEST POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP JUMP JUMPDEST PUSH2 0xB8D PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0xB98 PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0xBD5 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x576D JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR DUP2 SSTORE DUP8 MLOAD SWAP4 POP SWAP2 POP JUMPDEST DUP2 DUP4 EQ PUSH2 0x76F JUMPI PUSH2 0xC5E DUP8 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xC1F JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP8 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xC37 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP8 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xC4F JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x2F2A JUMP JUMPDEST SWAP1 POP PUSH2 0xC6A DUP5 DUP3 PUSH2 0x257D JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH2 0xC07 JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD DUP2 SWAP1 DUP2 SWAP1 DUP2 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0xCB9 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x576D JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE PUSH2 0xCEC PUSH2 0x25DF JUMP JUMPDEST SWAP4 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND CALLER EQ PUSH2 0xD11 JUMPI CALLER PUSH2 0xD14 JUMP JUMPDEST PUSH1 0x0 JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP7 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x6 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP4 DUP6 AND DUP4 MSTORE SWAP3 SWAP1 MSTORE KECCAK256 SLOAD SWAP1 SWAP4 POP PUSH1 0x1 DUP7 ADD SWAP3 POP SWAP1 POP DUP1 DUP3 GT PUSH2 0xD8B JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x572D JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP6 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x6 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP5 DUP9 AND DUP1 DUP5 MSTORE SWAP5 SWAP1 SWAP2 MSTORE SWAP1 DUP2 SWAP1 KECCAK256 DUP6 SWAP1 SSTORE MLOAD PUSH32 0x82AF639571738F4EBD4268FB0363D8957EBE1BBB9E78DBA5EBD69EED39B154F0 SWAP1 PUSH2 0xDF3 SWAP1 DUP7 SWAP1 PUSH2 0x5513 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP POP POP JUMP JUMPDEST PUSH2 0xE32 PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0xE3D PUSH2 0x4386 JUMP JUMPDEST DUP7 MLOAD SWAP3 POP PUSH1 0x0 SWAP2 POP JUMPDEST DUP2 DUP4 EQ PUSH2 0xEB4 JUMPI PUSH2 0xE9D DUP8 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xE5E JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP8 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xE76 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP8 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xE8E JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0xA3A JUMP JUMPDEST SWAP1 POP PUSH2 0xEA9 DUP5 DUP3 PUSH2 0x257D JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH2 0xE46 JUMP JUMPDEST POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0xB PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND JUMPDEST SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x9 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH2 0xF29 PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0xF66 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x576D JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE PUSH2 0xF9C DUP5 DUP5 DUP5 PUSH2 0x2F2A JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x100A JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x576D JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE PUSH2 0x103D PUSH2 0x25DF JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 DUP2 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x8 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP5 DUP10 AND DUP1 DUP5 MSTORE SWAP5 SWAP1 SWAP2 MSTORE SWAP1 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND DUP8 ISZERO ISZERO OR SWAP1 SSTORE MLOAD SWAP3 SWAP4 POP SWAP1 SWAP2 PUSH32 0xA8656E308026EEABCE8F0BC18048433252318AB80AC79DA0B3D3D8697DFBA891 SWAP1 PUSH2 0x10D1 SWAP1 DUP7 SWAP1 PUSH2 0x5505 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP JUMP JUMPDEST PUSH1 0x8 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x0 SWAP3 DUP4 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 SWAP1 SWAP2 MSTORE SWAP1 DUP3 MSTORE SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH2 0x112E PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x0 DUP1 PUSH1 0x0 PUSH2 0x113D PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x117A JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x576D JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR DUP2 SSTORE DUP10 MLOAD DUP11 SWAP2 SWAP1 DUP2 LT PUSH2 0x11B2 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x160 ADD MLOAD SWAP5 POP DUP9 MLOAD SWAP4 POP PUSH1 0x0 SWAP3 POP JUMPDEST DUP3 DUP5 EQ PUSH2 0x1255 JUMPI DUP5 DUP10 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x11E2 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x160 ADD DUP2 SWAP1 MSTORE POP PUSH2 0x1202 DUP9 DUP8 PUSH1 0x20 ADD MLOAD PUSH2 0x2F7D JUMP JUMPDEST SWAP2 POP PUSH2 0x122E DUP10 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1215 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP4 DUP10 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x749 JUMPI INVALID JUMPDEST SWAP1 POP PUSH2 0x123A DUP7 DUP3 PUSH2 0x257D JUMP JUMPDEST PUSH1 0x20 DUP7 ADD MLOAD DUP9 GT PUSH2 0x124A JUMPI PUSH2 0x1255 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP3 ADD SWAP2 PUSH2 0x11CC JUMP JUMPDEST POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP SWAP2 SWAP6 SWAP5 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x60 PUSH1 0x0 PUSH1 0x60 PUSH1 0x0 DUP5 MLOAD SWAP3 POP DUP3 PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x12D0 JUMPI DUP2 PUSH1 0x20 ADD JUMPDEST PUSH2 0x12BD PUSH2 0x43DE JUMP JUMPDEST DUP2 MSTORE PUSH1 0x20 ADD SWAP1 PUSH1 0x1 SWAP1 SUB SWAP1 DUP2 PUSH2 0x12B5 JUMPI SWAP1 POP JUMPDEST POP SWAP2 POP PUSH1 0x0 SWAP1 POP JUMPDEST DUP1 DUP4 EQ PUSH2 0xA88 JUMPI PUSH2 0x12FF DUP6 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x12F0 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x1F30 JUMP JUMPDEST DUP3 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x130D JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MSTORE PUSH1 0x1 ADD PUSH2 0x12D8 JUMP JUMPDEST PUSH1 0x7 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x0 SWAP3 DUP4 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 SWAP1 SWAP2 MSTORE SWAP1 DUP3 MSTORE SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x3 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP10 MLOAD GT ISZERO ISZERO PUSH2 0x13A4 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x571D JUMP JUMPDEST PUSH2 0x13AD DUP10 PUSH2 0x2FC4 JUMP JUMPDEST PUSH32 0x100000000000000000000000000000000000000000000000000000000000000 SWAP1 DIV SWAP7 POP PUSH1 0x7 PUSH1 0xFF DUP9 AND LT PUSH2 0x140F JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x563D JUMP JUMPDEST DUP7 PUSH1 0xFF AND PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x141E JUMPI INVALID JUMPDEST SWAP6 POP PUSH1 0x0 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x142E JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x1466 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x570D JUMP JUMPDEST PUSH1 0x1 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x1474 JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x14BC JUMPI DUP9 MLOAD ISZERO PUSH2 0x14B3 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x57DD JUMP JUMPDEST PUSH1 0x0 SWAP8 POP PUSH2 0x18D0 JUMP JUMPDEST PUSH1 0x2 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x14CA JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x1605 JUMPI DUP9 MLOAD PUSH1 0x41 EQ PUSH2 0x150B JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x55DD JUMP JUMPDEST DUP9 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x151A JUMPI INVALID JUMPDEST ADD PUSH1 0x20 ADD MLOAD PUSH32 0x100000000000000000000000000000000000000000000000000000000000000 SWAP1 DUP2 SWAP1 DIV DUP2 MUL DIV SWAP5 POP PUSH2 0x155A DUP10 PUSH1 0x1 PUSH4 0xFFFFFFFF PUSH2 0x3088 AND JUMP JUMPDEST SWAP4 POP PUSH2 0x156D DUP10 PUSH1 0x21 PUSH4 0xFFFFFFFF PUSH2 0x3088 AND JUMP JUMPDEST SWAP3 POP PUSH1 0x1 DUP12 DUP7 DUP7 DUP7 PUSH1 0x40 MLOAD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x40 MSTORE PUSH1 0x40 MLOAD PUSH2 0x1592 SWAP5 SWAP4 SWAP3 SWAP2 SWAP1 PUSH2 0x556E JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD PUSH1 0x20 DUP2 SUB SWAP1 DUP1 DUP5 SUB SWAP1 PUSH1 0x0 DUP7 GAS CALL ISZERO DUP1 ISZERO PUSH2 0x15B6 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP PUSH1 0x40 MLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP13 DUP2 AND SWAP1 DUP3 AND EQ SWAP10 POP SWAP3 POP PUSH2 0x18D0 SWAP1 POP JUMP JUMPDEST PUSH1 0x3 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x1613 JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x17B9 JUMPI DUP9 MLOAD PUSH1 0x41 EQ PUSH2 0x1654 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x55DD JUMP JUMPDEST DUP9 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1663 JUMPI INVALID JUMPDEST ADD PUSH1 0x20 ADD MLOAD PUSH32 0x100000000000000000000000000000000000000000000000000000000000000 SWAP1 DUP2 SWAP1 DIV DUP2 MUL DIV SWAP5 POP PUSH2 0x16A3 DUP10 PUSH1 0x1 PUSH4 0xFFFFFFFF PUSH2 0x3088 AND JUMP JUMPDEST SWAP4 POP PUSH2 0x16B6 DUP10 PUSH1 0x21 PUSH4 0xFFFFFFFF PUSH2 0x3088 AND JUMP JUMPDEST SWAP3 POP PUSH1 0x1 DUP12 PUSH1 0x40 MLOAD PUSH1 0x20 ADD DUP1 DUP1 PUSH32 0x19457468657265756D205369676E6564204D6573736167653A0A333200000000 DUP2 MSTORE POP PUSH1 0x1C ADD DUP3 PUSH1 0x0 NOT AND PUSH1 0x0 NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD PUSH1 0x20 DUP2 DUP4 SUB SUB DUP2 MSTORE SWAP1 PUSH1 0x40 MSTORE PUSH1 0x40 MLOAD DUP1 DUP3 DUP1 MLOAD SWAP1 PUSH1 0x20 ADD SWAP1 DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x1757 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x171A JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 DUP1 MLOAD SWAP3 SWAP1 SWAP5 ADD DUP3 SWAP1 SUB DUP3 KECCAK256 PUSH1 0x0 DUP4 MSTORE SWAP2 ADD SWAP3 DUP4 SWAP1 MSTORE PUSH2 0x1592 SWAP5 POP SWAP3 POP DUP10 SWAP2 DUP10 SWAP2 POP DUP9 SWAP1 PUSH2 0x556E JUMP JUMPDEST PUSH1 0x4 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x17C7 JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x17DF JUMPI PUSH2 0x17D8 DUP12 DUP12 DUP12 PUSH2 0x30D3 JUMP JUMPDEST SWAP8 POP PUSH2 0x18D0 JUMP JUMPDEST PUSH1 0x5 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x17ED JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x1850 JUMPI PUSH2 0x17FC DUP10 PUSH2 0x3228 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP13 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x8 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP4 DUP6 AND DUP4 MSTORE SWAP3 SWAP1 MSTORE KECCAK256 SLOAD SWAP1 SWAP2 POP PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x1844 JUMPI PUSH1 0x0 SWAP8 POP PUSH2 0x18D0 JUMP JUMPDEST PUSH2 0x17D8 DUP2 DUP13 DUP13 DUP13 PUSH2 0x32A1 JUMP JUMPDEST PUSH1 0x6 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x185E JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x189E JUMPI PUSH1 0x0 DUP12 DUP2 MSTORE PUSH1 0x7 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP15 AND DUP5 MSTORE SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND SWAP8 POP PUSH2 0x18D0 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x563D JUMP JUMPDEST POP POP POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH2 0x18E6 PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH2 0x18F6 PUSH2 0x4386 JUMP JUMPDEST DUP10 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1905 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x140 ADD MLOAD SWAP6 POP DUP10 MLOAD SWAP5 POP PUSH1 0x0 SWAP4 POP JUMPDEST DUP4 DUP6 EQ PUSH2 0x19E4 JUMPI DUP6 DUP11 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1935 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x140 ADD MSTORE DUP7 MLOAD PUSH2 0x1951 SWAP1 DUP11 SWAP1 PUSH2 0x2F7D JUMP JUMPDEST SWAP3 POP PUSH2 0x1994 DUP11 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1964 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0xA0 ADD MLOAD DUP12 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1980 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0x80 ADD MLOAD DUP6 PUSH2 0x33FD JUMP JUMPDEST SWAP2 POP PUSH2 0x19C0 DUP11 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x19A7 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP4 DUP11 DUP8 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xE8E JUMPI INVALID JUMPDEST SWAP1 POP PUSH2 0x19CC DUP8 DUP3 PUSH2 0x257D JUMP JUMPDEST DUP7 MLOAD DUP10 GT PUSH2 0x19D9 JUMPI PUSH2 0x19E4 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP4 ADD SWAP3 PUSH2 0x191F JUMP JUMPDEST POP POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH2 0x19F9 PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x1A36 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x576D JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE PUSH2 0xF9C DUP5 DUP5 DUP5 PUSH2 0x24DF JUMP JUMPDEST PUSH1 0xA SLOAD PUSH1 0x0 SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND ISZERO PUSH2 0x1ABF JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x576D JUMP JUMPDEST PUSH2 0x1B02 PUSH2 0x1AFD DUP9 DUP9 DUP9 DUP9 DUP1 DUP1 PUSH1 0x1F ADD PUSH1 0x20 DUP1 SWAP2 DIV MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP4 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP4 DUP4 DUP1 DUP3 DUP5 CALLDATACOPY POP PUSH2 0x3453 SWAP5 POP POP POP POP POP JUMP JUMPDEST PUSH2 0x3694 JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x9 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD SWAP1 SWAP2 POP PUSH1 0xFF AND ISZERO PUSH2 0x1B4E JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x568D JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 AND CALLER EQ PUSH2 0x1C1F JUMPI PUSH2 0x1BA6 DUP2 DUP8 DUP6 DUP6 DUP1 DUP1 PUSH1 0x1F ADD PUSH1 0x20 DUP1 SWAP2 DIV MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP4 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP4 DUP4 DUP1 DUP3 DUP5 CALLDATACOPY POP PUSH2 0x135B SWAP5 POP POP POP POP POP JUMP JUMPDEST ISZERO ISZERO PUSH2 0x1BDE JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x57CD JUMP JUMPDEST PUSH1 0xA DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP9 AND OR SWAP1 SSTORE JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x9 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE MLOAD ADDRESS SWAP1 DUP7 SWAP1 DUP7 SWAP1 DUP1 DUP4 DUP4 DUP1 DUP3 DUP5 CALLDATACOPY DUP3 ADD SWAP2 POP POP SWAP3 POP POP POP PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 DUP6 GAS DELEGATECALL SWAP2 POP POP ISZERO ISZERO PUSH2 0x1CB6 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56BD JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 AND CALLER EQ PUSH2 0x1CFC JUMPI PUSH1 0xA DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND SWAP1 SSTORE JUMPDEST POP POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x3 SLOAD PUSH1 0x0 SWAP1 DUP2 SWAP1 DUP2 SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x1D5D JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x577D JUMP JUMPDEST DUP4 SWAP3 POP DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH4 0xAE25532E PUSH1 0x40 MLOAD DUP2 PUSH4 0xFFFFFFFF AND PUSH29 0x100000000000000000000000000000000000000000000000000000000 MUL DUP2 MSTORE PUSH1 0x4 ADD PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x1DC4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x1DD8 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x1DFC SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x4A0C JUMP JUMPDEST PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0xB PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD SWAP1 SWAP3 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 POP DUP1 ISZERO PUSH2 0x1E81 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x561D JUMP JUMPDEST PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0xB PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 AND OR SWAP1 SSTORE MLOAD PUSH32 0xD2C6B762299C609BDB96520B58A49BFB80186934D4F71A86A367571A15C03194 SWAP1 PUSH2 0x1F22 SWAP1 DUP5 SWAP1 DUP8 SWAP1 PUSH2 0x55A3 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG1 POP POP POP POP JUMP JUMPDEST PUSH2 0x1F38 PUSH2 0x43DE JUMP JUMPDEST PUSH2 0x1F41 DUP3 PUSH2 0x36D1 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP4 ADD DUP3 SWAP1 MSTORE PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x4 SWAP1 MSTORE PUSH1 0x40 SWAP1 DUP2 SWAP1 KECCAK256 SLOAD SWAP1 DUP3 ADD MSTORE PUSH1 0x80 DUP3 ADD MLOAD ISZERO ISZERO PUSH2 0x1F75 JUMPI PUSH1 0x1 JUMPDEST PUSH1 0xFF AND DUP2 MSTORE PUSH2 0xF07 JUMP JUMPDEST PUSH1 0xA0 DUP3 ADD MLOAD ISZERO ISZERO PUSH2 0x1F87 JUMPI PUSH1 0x2 PUSH2 0x1F6B JUMP JUMPDEST PUSH1 0xA0 DUP3 ADD MLOAD PUSH1 0x40 DUP3 ADD MLOAD LT PUSH2 0x1F9D JUMPI PUSH1 0x5 PUSH2 0x1F6B JUMP JUMPDEST PUSH2 0x100 DUP3 ADD MLOAD TIMESTAMP LT PUSH2 0x1FB0 JUMPI PUSH1 0x4 PUSH2 0x1F6B JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 ADD MLOAD PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x5 SWAP1 SWAP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x1FD4 JUMPI PUSH1 0x6 PUSH2 0x1F6B JUMP JUMPDEST PUSH2 0x120 DUP3 ADD MLOAD DUP3 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x6 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH1 0x60 DUP9 ADD MLOAD SWAP1 SWAP5 AND DUP4 MSTORE SWAP3 SWAP1 MSTORE KECCAK256 SLOAD GT ISZERO PUSH2 0x2021 JUMPI PUSH1 0x6 PUSH2 0x1F6B JUMP JUMPDEST PUSH1 0x3 DUP2 MSTORE SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x2067 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x576D JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE PUSH2 0x209B DUP2 PUSH2 0x2EFF JUMP JUMPDEST POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE JUMP JUMPDEST PUSH1 0x6 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x0 SWAP3 DUP4 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 SWAP1 SWAP2 MSTORE SWAP1 DUP3 MSTORE SWAP1 KECCAK256 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x1 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 DUP5 DUP7 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x2186 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x215B JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x2186 JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x2169 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP DUP2 JUMP JUMPDEST PUSH2 0x2196 PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x0 DUP1 PUSH1 0x0 PUSH2 0x21A5 PUSH2 0x4386 JUMP JUMPDEST DUP9 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x21B4 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x160 ADD MLOAD SWAP5 POP DUP9 MLOAD SWAP4 POP PUSH1 0x0 SWAP3 POP JUMPDEST DUP3 DUP5 EQ PUSH2 0x2257 JUMPI DUP5 DUP10 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x21E4 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x160 ADD DUP2 SWAP1 MSTORE POP PUSH2 0x2204 DUP9 DUP8 PUSH1 0x20 ADD MLOAD PUSH2 0x2F7D JUMP JUMPDEST SWAP2 POP PUSH2 0x2230 DUP10 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x2217 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP4 DUP10 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xE8E JUMPI INVALID JUMPDEST SWAP1 POP PUSH2 0x223C DUP7 DUP3 PUSH2 0x257D JUMP JUMPDEST PUSH1 0x20 DUP7 ADD MLOAD DUP9 GT PUSH2 0x224C JUMPI PUSH2 0x2257 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP3 ADD SWAP2 PUSH2 0x21CE JUMP JUMPDEST POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x2 SLOAD DUP2 JUMP JUMPDEST PUSH2 0x2271 PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH2 0x2281 PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x22BE JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x576D JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR DUP2 SSTORE DUP11 MLOAD DUP12 SWAP2 SWAP1 DUP2 LT PUSH2 0x22F6 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x140 ADD MLOAD SWAP6 POP DUP10 MLOAD SWAP5 POP PUSH1 0x0 SWAP4 POP JUMPDEST DUP4 DUP6 EQ PUSH2 0x23A5 JUMPI DUP6 DUP11 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x2326 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x140 ADD MSTORE DUP7 MLOAD PUSH2 0x2342 SWAP1 DUP11 SWAP1 PUSH2 0x2F7D JUMP JUMPDEST SWAP3 POP PUSH2 0x2355 DUP11 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1964 JUMPI INVALID JUMPDEST SWAP2 POP PUSH2 0x2381 DUP11 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x2368 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP4 DUP11 DUP8 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x749 JUMPI INVALID JUMPDEST SWAP1 POP PUSH2 0x238D DUP8 DUP3 PUSH2 0x257D JUMP JUMPDEST DUP7 MLOAD DUP10 GT PUSH2 0x239A JUMPI PUSH2 0x23A5 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP4 ADD SWAP3 PUSH2 0x2310 JUMP JUMPDEST POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP SWAP3 SWAP7 SWAP6 POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0xA SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x3 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x2448 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x577D JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0x24A5 JUMPI PUSH1 0x3 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND OR SWAP1 SSTORE JUMPDEST POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD DUP1 DUP3 ADD SWAP1 SWAP2 MSTORE PUSH1 0xB DUP2 MSTORE PUSH32 0x322E302E312D616C706861000000000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE DUP2 JUMP JUMPDEST PUSH2 0x24E7 PUSH2 0x4386 JUMP JUMPDEST PUSH2 0x24EF PUSH2 0x43DE JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH2 0x24FD DUP9 PUSH2 0x1F30 JUMP JUMPDEST SWAP4 POP PUSH2 0x2507 PUSH2 0x25DF JUMP JUMPDEST SWAP3 POP PUSH2 0x2515 DUP9 DUP6 DUP6 DUP10 PUSH2 0x2611 JUMP JUMPDEST PUSH2 0x2527 DUP9 PUSH1 0xA0 ADD MLOAD DUP6 PUSH1 0x40 ADD MLOAD PUSH2 0x2F7D JUMP JUMPDEST SWAP2 POP PUSH2 0x2533 DUP8 DUP4 PUSH2 0x36DF JUMP JUMPDEST SWAP1 POP PUSH2 0x2546 DUP9 DUP6 DUP10 DUP5 DUP10 PUSH1 0x0 ADD MLOAD PUSH2 0x2990 JUMP JUMPDEST PUSH2 0x2550 DUP9 DUP3 PUSH2 0x36F5 JUMP JUMPDEST SWAP5 POP PUSH2 0x2567 DUP9 DUP5 DUP7 PUSH1 0x20 ADD MLOAD DUP8 PUSH1 0x40 ADD MLOAD DUP10 PUSH2 0x2AA9 JUMP JUMPDEST PUSH2 0x2572 DUP9 DUP5 DUP8 PUSH2 0x3756 JUMP JUMPDEST POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST DUP2 MLOAD DUP2 MLOAD PUSH2 0x258B SWAP2 SWAP1 PUSH2 0x3864 JUMP JUMPDEST DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 ADD MLOAD SWAP1 DUP3 ADD MLOAD PUSH2 0x25A1 SWAP2 SWAP1 PUSH2 0x3864 JUMP JUMPDEST PUSH1 0x20 DUP4 ADD MSTORE PUSH1 0x40 DUP1 DUP4 ADD MLOAD SWAP1 DUP3 ADD MLOAD PUSH2 0x25BA SWAP2 SWAP1 PUSH2 0x3864 JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MSTORE PUSH1 0x60 DUP1 DUP4 ADD MLOAD SWAP1 DUP3 ADD MLOAD PUSH2 0x25D3 SWAP2 SWAP1 PUSH2 0x3864 JUMP JUMPDEST PUSH1 0x60 SWAP1 SWAP3 ADD SWAP2 SWAP1 SWAP2 MSTORE POP JUMP JUMPDEST PUSH1 0xA SLOAD PUSH1 0x0 SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 DUP2 ISZERO PUSH2 0x2608 JUMPI DUP2 PUSH2 0x260A JUMP JUMPDEST CALLER JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST DUP3 MLOAD PUSH1 0xFF AND PUSH1 0x3 EQ PUSH2 0x264F JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x579D JUMP JUMPDEST PUSH1 0x60 DUP5 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND ISZERO PUSH2 0x26C2 JUMPI PUSH1 0x60 DUP5 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x26C2 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x57AD JUMP JUMPDEST PUSH1 0x20 DUP5 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND ISZERO PUSH2 0x274D JUMPI DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP5 PUSH1 0x20 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO ISZERO PUSH2 0x274D JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x55ED JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MLOAD ISZERO ISZERO PUSH2 0x27A3 JUMPI PUSH2 0x276B DUP4 PUSH1 0x20 ADD MLOAD DUP6 PUSH1 0x0 ADD MLOAD DUP4 PUSH2 0x135B JUMP JUMPDEST ISZERO ISZERO PUSH2 0x27A3 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x565D JUMP JUMPDEST POP POP POP POP JUMP JUMPDEST PUSH2 0x27BB DUP3 PUSH1 0xA0 ADD MLOAD DUP3 PUSH1 0xA0 ADD MLOAD PUSH2 0x38AE JUMP JUMPDEST PUSH2 0x27CD DUP4 PUSH1 0x80 ADD MLOAD DUP4 PUSH1 0x80 ADD MLOAD PUSH2 0x38AE JUMP JUMPDEST LT ISZERO PUSH2 0x2805 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x57BD JUMP JUMPDEST POP POP JUMP JUMPDEST PUSH2 0x2811 PUSH2 0x43AF JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH2 0x2825 DUP10 PUSH1 0xA0 ADD MLOAD DUP9 PUSH2 0x2F7D JUMP JUMPDEST SWAP4 POP PUSH2 0x283A DUP10 PUSH1 0x80 ADD MLOAD DUP11 PUSH1 0xA0 ADD MLOAD DUP7 PUSH2 0x3909 JUMP JUMPDEST SWAP3 POP PUSH2 0x284A DUP9 PUSH1 0xA0 ADD MLOAD DUP8 PUSH2 0x2F7D JUMP JUMPDEST SWAP2 POP PUSH2 0x285F DUP9 PUSH1 0x80 ADD MLOAD DUP10 PUSH1 0xA0 ADD MLOAD DUP5 PUSH2 0x3909 JUMP JUMPDEST SWAP1 POP DUP1 DUP5 LT PUSH2 0x28A2 JUMPI PUSH1 0x20 DUP1 DUP7 ADD DUP1 MLOAD DUP4 SWAP1 MSTORE DUP1 MLOAD DUP3 ADD DUP5 SWAP1 MSTORE MLOAD MLOAD DUP7 MLOAD DUP3 ADD MSTORE PUSH1 0x80 DUP11 ADD MLOAD PUSH1 0xA0 DUP12 ADD MLOAD DUP8 MLOAD SWAP1 SWAP3 ADD MLOAD PUSH2 0x289A SWAP3 SWAP1 PUSH2 0x3909 JUMP JUMPDEST DUP6 MLOAD MSTORE PUSH2 0x28DF JUMP JUMPDEST DUP5 MLOAD DUP4 SWAP1 MSTORE DUP5 MLOAD PUSH1 0x20 SWAP1 DUP2 ADD DUP6 SWAP1 MSTORE DUP6 MLOAD DUP2 ADD MLOAD SWAP1 DUP7 ADD DUP1 MLOAD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0xA0 DUP10 ADD MLOAD PUSH1 0x80 DUP11 ADD MLOAD SWAP2 MLOAD MLOAD PUSH2 0x28D6 SWAP3 SWAP1 PUSH2 0x3986 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP8 ADD MLOAD ADD MSTORE JUMPDEST DUP5 MLOAD MLOAD PUSH1 0x20 DUP1 DUP8 ADD MLOAD ADD MLOAD PUSH2 0x28F4 SWAP2 SWAP1 PUSH2 0x2F7D JUMP JUMPDEST PUSH1 0x40 DUP7 ADD MSTORE DUP5 MLOAD MLOAD PUSH1 0x80 DUP11 ADD MLOAD PUSH1 0xC0 DUP12 ADD MLOAD PUSH2 0x2911 SWAP3 SWAP2 SWAP1 PUSH2 0x3909 JUMP JUMPDEST DUP6 MLOAD PUSH1 0x40 ADD MSTORE DUP5 MLOAD PUSH1 0x20 ADD MLOAD PUSH1 0xA0 DUP11 ADD MLOAD PUSH1 0xE0 DUP12 ADD MLOAD PUSH2 0x2932 SWAP3 SWAP2 SWAP1 PUSH2 0x3909 JUMP JUMPDEST DUP6 MLOAD PUSH1 0x60 ADD MSTORE PUSH1 0x20 DUP6 ADD MLOAD MLOAD PUSH1 0x80 DUP10 ADD MLOAD PUSH1 0xC0 DUP11 ADD MLOAD PUSH2 0x2953 SWAP3 SWAP2 SWAP1 PUSH2 0x3909 JUMP JUMPDEST DUP6 PUSH1 0x20 ADD MLOAD PUSH1 0x40 ADD DUP2 DUP2 MSTORE POP POP PUSH2 0x297B DUP6 PUSH1 0x20 ADD MLOAD PUSH1 0x20 ADD MLOAD DUP10 PUSH1 0xA0 ADD MLOAD DUP11 PUSH1 0xE0 ADD MLOAD PUSH2 0x3909 JUMP JUMPDEST PUSH1 0x20 DUP7 ADD MLOAD PUSH1 0x60 ADD MSTORE POP POP POP POP SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST DUP3 ISZERO ISZERO PUSH2 0x29C9 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56DD JUMP JUMPDEST DUP3 DUP3 GT ISZERO PUSH2 0x2A03 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56CD JUMP JUMPDEST DUP5 PUSH1 0xA0 ADD MLOAD PUSH2 0x2A16 DUP6 PUSH1 0x40 ADD MLOAD DUP5 PUSH2 0x3864 JUMP JUMPDEST GT ISZERO PUSH2 0x2A4E JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x55FD JUMP JUMPDEST PUSH2 0x2A5C DUP6 PUSH1 0x80 ADD MLOAD DUP4 PUSH2 0x38AE JUMP JUMPDEST PUSH2 0x2A6A DUP3 DUP8 PUSH1 0xA0 ADD MLOAD PUSH2 0x38AE JUMP JUMPDEST GT ISZERO PUSH2 0x2AA2 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x575D JUMP JUMPDEST POP POP POP POP POP JUMP JUMPDEST PUSH2 0x2AB7 DUP3 DUP3 PUSH1 0x20 ADD MLOAD PUSH2 0x3864 JUMP JUMPDEST PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP2 DUP3 SWAP1 KECCAK256 SWAP3 SWAP1 SWAP3 SSTORE DUP7 DUP2 ADD MLOAD DUP8 MLOAD DUP5 MLOAD SWAP4 DUP6 ADD MLOAD DUP6 DUP5 ADD MLOAD PUSH1 0x60 DUP8 ADD MLOAD PUSH2 0x140 DUP13 ADD MLOAD PUSH2 0x160 DUP14 ADD MLOAD SWAP7 MLOAD DUP12 SWAP9 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP8 DUP9 AND SWAP9 SWAP8 SWAP1 SWAP7 AND SWAP7 PUSH32 0xBCC4C97732E47D9946F229EDB95F5B6323F601300E4690DE719993F3C371129 SWAP7 PUSH2 0x2B46 SWAP7 DUP16 SWAP7 CALLER SWAP7 SWAP3 SWAP6 SWAP2 SWAP5 SWAP1 SWAP4 SWAP1 PUSH2 0x5433 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG4 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x1 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x1F PUSH1 0x2 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH2 0x100 DUP8 DUP10 AND ISZERO MUL ADD SWAP1 SWAP6 AND SWAP5 SWAP1 SWAP5 DIV SWAP4 DUP5 ADD DUP2 SWAP1 DIV DUP2 MUL DUP3 ADD DUP2 ADD SWAP1 SWAP3 MSTORE DUP3 DUP2 MSTORE PUSH1 0x60 SWAP4 SWAP1 SWAP3 SWAP1 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x2BFE JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x2BD3 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x2BFE JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x2BE1 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP SWAP1 POP PUSH2 0x2C26 DUP6 PUSH2 0x140 ADD MLOAD DUP7 PUSH1 0x0 ADD MLOAD DUP7 PUSH1 0x0 ADD MLOAD DUP6 PUSH1 0x20 ADD MLOAD PUSH1 0x20 ADD MLOAD PUSH2 0x3A23 JUMP JUMPDEST PUSH2 0x140 DUP5 ADD MLOAD DUP5 MLOAD DUP7 MLOAD DUP5 MLOAD PUSH1 0x20 ADD MLOAD PUSH2 0x2C42 SWAP4 SWAP3 SWAP2 SWAP1 PUSH2 0x3A23 JUMP JUMPDEST PUSH2 0x2C5B DUP6 PUSH2 0x140 ADD MLOAD DUP7 PUSH1 0x0 ADD MLOAD DUP6 DUP6 PUSH1 0x40 ADD MLOAD PUSH2 0x3A23 JUMP JUMPDEST PUSH2 0x2C77 DUP2 DUP7 PUSH1 0x0 ADD MLOAD DUP8 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x0 ADD MLOAD PUSH1 0x40 ADD MLOAD PUSH2 0x3A23 JUMP JUMPDEST PUSH2 0x2C93 DUP2 DUP6 PUSH1 0x0 ADD MLOAD DUP7 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x20 ADD MLOAD PUSH1 0x40 ADD MLOAD PUSH2 0x3A23 JUMP JUMPDEST DUP4 PUSH1 0x40 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP6 PUSH1 0x40 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO PUSH2 0x2CFD JUMPI PUSH2 0x2CF8 DUP2 DUP5 DUP8 PUSH1 0x40 ADD MLOAD PUSH2 0x2CF3 DUP7 PUSH1 0x0 ADD MLOAD PUSH1 0x60 ADD MLOAD DUP8 PUSH1 0x20 ADD MLOAD PUSH1 0x60 ADD MLOAD PUSH2 0x3864 JUMP JUMPDEST PUSH2 0x3A23 JUMP JUMPDEST PUSH2 0x2AA2 JUMP JUMPDEST PUSH2 0x2D15 DUP2 DUP5 DUP8 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x0 ADD MLOAD PUSH1 0x60 ADD MLOAD PUSH2 0x3A23 JUMP JUMPDEST PUSH2 0x2AA2 DUP2 DUP5 DUP7 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x20 ADD MLOAD PUSH1 0x60 ADD MLOAD PUSH2 0x3A23 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0xB4BE83D500000000000000000000000000000000000000000000000000000000 PUSH1 0x20 DUP1 DUP4 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0x60 PUSH1 0x24 DUP4 ADD DUP2 DUP2 MSTORE DUP8 MLOAD PUSH1 0x84 DUP6 ADD SWAP1 DUP2 MSTORE DUP9 DUP5 ADD MLOAD PUSH1 0xA4 DUP7 ADD MSTORE SWAP5 DUP9 ADD MLOAD PUSH1 0xC4 DUP6 ADD MSTORE SWAP1 DUP8 ADD MLOAD PUSH1 0xE4 DUP5 ADD MSTORE PUSH1 0x80 DUP8 ADD MLOAD PUSH2 0x104 DUP5 ADD MSTORE PUSH1 0xA0 DUP8 ADD MLOAD PUSH2 0x124 DUP5 ADD MSTORE PUSH1 0xC0 DUP8 ADD MLOAD PUSH2 0x144 DUP5 ADD MSTORE PUSH1 0xE0 DUP8 ADD MLOAD PUSH2 0x164 DUP5 ADD MSTORE PUSH2 0x100 DUP8 ADD MLOAD PUSH2 0x184 DUP5 ADD MSTORE PUSH2 0x120 DUP8 ADD MLOAD PUSH2 0x1A4 DUP5 ADD MSTORE PUSH2 0x140 DUP8 ADD DUP1 MLOAD PUSH2 0x1C4 DUP6 ADD SWAP1 DUP2 MSTORE PUSH2 0x160 DUP10 ADD MLOAD PUSH2 0x1E4 DUP7 ADD MSTORE PUSH2 0x180 SWAP1 MSTORE MLOAD DUP1 MLOAD PUSH2 0x204 DUP6 ADD DUP2 SWAP1 MSTORE SWAP4 SWAP5 SWAP2 SWAP4 DUP5 SWAP4 PUSH1 0x44 DUP8 ADD SWAP3 DUP5 SWAP3 PUSH2 0x224 DUP10 ADD SWAP3 SWAP2 DUP3 ADD SWAP2 PUSH1 0x1F DUP3 ADD DIV PUSH1 0x0 JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x2E34 JUMPI DUP4 MLOAD DUP6 MSTORE PUSH1 0x20 SWAP5 DUP6 ADD SWAP5 SWAP1 SWAP4 ADD SWAP3 PUSH1 0x1 ADD PUSH2 0x2E16 JUMP JUMPDEST POP POP POP POP DUP2 DUP2 SUB PUSH2 0x160 DUP1 DUP5 ADD SWAP2 SWAP1 SWAP2 MSTORE DUP11 ADD MLOAD DUP1 MLOAD DUP1 DUP4 MSTORE PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 DUP3 ADD SWAP2 PUSH1 0x1F DUP3 ADD DIV PUSH1 0x0 JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x2E7D JUMPI DUP4 MLOAD DUP6 MSTORE PUSH1 0x20 SWAP5 DUP6 ADD SWAP5 SWAP1 SWAP4 ADD SWAP3 PUSH1 0x1 ADD PUSH2 0x2E5F JUMP JUMPDEST POP POP POP DUP10 DUP5 MSTORE POP DUP5 DUP2 SUB PUSH1 0x20 SWAP4 DUP5 ADD SWAP1 DUP2 MSTORE DUP9 MLOAD DUP1 DUP4 MSTORE SWAP1 SWAP4 SWAP2 DUP3 ADD SWAP2 DUP10 DUP2 ADD SWAP2 SWAP1 PUSH1 0x1F DUP3 ADD DIV PUSH1 0x0 JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x2EC5 JUMPI DUP4 MLOAD DUP6 MSTORE PUSH1 0x20 SWAP5 DUP6 ADD SWAP5 SWAP1 SWAP4 ADD SWAP3 PUSH1 0x1 ADD PUSH2 0x2EA7 JUMP JUMPDEST POP POP POP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 DUP9 DUP4 SUB ADD DUP9 MSTORE POP PUSH1 0x40 MSTORE POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH2 0x2F07 PUSH2 0x43DE JUMP JUMPDEST PUSH2 0x2F10 DUP3 PUSH2 0x1F30 JUMP JUMPDEST SWAP1 POP PUSH2 0x2F1C DUP3 DUP3 PUSH2 0x3BED JUMP JUMPDEST PUSH2 0x2805 DUP3 DUP3 PUSH1 0x20 ADD MLOAD PUSH2 0x3D04 JUMP JUMPDEST PUSH2 0x2F32 PUSH2 0x4386 JUMP JUMPDEST PUSH2 0x2F3D DUP5 DUP5 DUP5 PUSH2 0x24DF JUMP JUMPDEST PUSH1 0x20 DUP2 ADD MLOAD SWAP1 SWAP2 POP DUP4 EQ PUSH2 0x260A JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x574D JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 GT ISZERO PUSH2 0x2FB9 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x560D JUMP JUMPDEST POP DUP1 DUP3 SUB JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP3 MLOAD GT ISZERO ISZERO PUSH2 0x3002 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56FD JUMP JUMPDEST DUP2 MLOAD DUP3 SWAP1 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 ADD SWAP1 DUP2 LT PUSH2 0x3032 JUMPI INVALID JUMPDEST ADD PUSH1 0x20 ADD MLOAD DUP3 MLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP3 MSTORE POP PUSH32 0x100000000000000000000000000000000000000000000000000000000000000 SWAP1 DUP2 SWAP1 DIV MUL SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x20 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x30CA JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x562D JUMP JUMPDEST POP ADD PUSH1 0x20 ADD MLOAD SWAP1 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH1 0x0 SWAP1 PUSH1 0x60 SWAP1 PUSH32 0x1626BA7E00000000000000000000000000000000000000000000000000000000 SWAP1 PUSH2 0x310E SWAP1 DUP8 SWAP1 DUP7 SWAP1 PUSH1 0x24 ADD PUSH2 0x554E JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 DUP2 DUP5 SUB ADD DUP2 MSTORE SWAP2 SWAP1 MSTORE PUSH1 0x20 DUP1 DUP3 ADD DUP1 MLOAD PUSH28 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 OR DUP4 MSTORE DUP2 MLOAD SWAP2 SWAP4 POP SWAP1 DUP3 SWAP1 DUP2 DUP9 GAS STATICCALL DUP1 DUP1 ISZERO PUSH2 0x31AB JUMPI PUSH1 0x1 DUP2 EQ PUSH2 0x321C JUMPI PUSH2 0x2572 JUMP JUMPDEST PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 PUSH1 0x0 MSTORE PUSH29 0x2000000000000000000000000000000000000000000000000000000000 PUSH1 0x20 MSTORE PUSH29 0xC57414C4C45545F4552524F5200000000000000000000000000000000 PUSH1 0x40 MSTORE PUSH1 0x0 PUSH1 0x60 MSTORE PUSH1 0x64 PUSH1 0x0 REVERT JUMPDEST POP POP MLOAD SWAP6 SWAP5 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x14 DUP3 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x3268 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x578D JUMP JUMPDEST PUSH2 0x3276 DUP3 PUSH1 0x14 DUP5 MLOAD SUB PUSH2 0x3DAB JUMP JUMPDEST DUP3 MLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEC ADD SWAP1 SWAP3 MSTORE POP SWAP1 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH1 0x0 SWAP1 PUSH1 0x60 SWAP1 PUSH32 0x9363470200000000000000000000000000000000000000000000000000000000 SWAP1 PUSH2 0x32DE SWAP1 DUP8 SWAP1 DUP8 SWAP1 DUP8 SWAP1 PUSH1 0x24 ADD PUSH2 0x5521 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 DUP2 DUP5 SUB ADD DUP2 MSTORE SWAP2 SWAP1 MSTORE PUSH1 0x20 DUP1 DUP3 ADD DUP1 MLOAD PUSH28 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 OR DUP4 MSTORE DUP2 MLOAD SWAP2 SWAP4 POP SWAP1 DUP3 SWAP1 DUP2 DUP11 GAS STATICCALL DUP1 DUP1 ISZERO PUSH2 0x337B JUMPI PUSH1 0x1 DUP2 EQ PUSH2 0x33EC JUMPI PUSH2 0x33F1 JUMP JUMPDEST PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 PUSH1 0x0 MSTORE PUSH29 0x2000000000000000000000000000000000000000000000000000000000 PUSH1 0x20 MSTORE PUSH29 0xF56414C494441544F525F4552524F5200000000000000000000000000 PUSH1 0x40 MSTORE PUSH1 0x0 PUSH1 0x60 MSTORE PUSH1 0x64 PUSH1 0x0 REVERT JUMPDEST DUP3 MLOAD SWAP5 POP JUMPDEST POP POP POP POP SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP4 GT PUSH2 0x3438 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x564D JUMP JUMPDEST PUSH2 0x344B PUSH2 0x3445 DUP6 DUP5 PUSH2 0x38AE JUMP JUMPDEST DUP5 PUSH2 0x3E0C JUMP JUMPDEST SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x5A65726F45785472616E73616374696F6E280000000000000000000000000000 PUSH1 0x20 DUP1 DUP4 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH32 0x75696E743235362073616C742C00000000000000000000000000000000000000 PUSH1 0x32 DUP4 ADD MSTORE PUSH32 0x61646472657373207369676E6572416464726573732C00000000000000000000 PUSH1 0x3F DUP4 ADD MSTORE PUSH32 0x6279746573206461746100000000000000000000000000000000000000000000 PUSH1 0x55 DUP4 ADD MSTORE PUSH32 0x2900000000000000000000000000000000000000000000000000000000000000 PUSH1 0x5F DUP4 ADD MSTORE DUP3 MLOAD DUP1 DUP4 SUB DUP5 ADD DUP2 MSTORE PUSH1 0x60 SWAP1 SWAP3 ADD SWAP3 DUP4 SWAP1 MSTORE DUP2 MLOAD PUSH1 0x0 SWAP4 DUP5 SWAP4 DUP5 SWAP4 SWAP1 SWAP3 DUP3 SWAP2 DUP5 ADD SWAP1 DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x357C JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x353F JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 MLOAD SWAP2 SWAP1 SWAP4 ADD DUP2 SWAP1 SUB DUP2 KECCAK256 DUP10 MLOAD SWAP1 SWAP8 POP DUP10 SWAP6 POP SWAP1 SWAP4 POP DUP4 SWAP3 DUP6 ADD SWAP2 POP DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x3612 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x35D5 JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 DUP1 MLOAD SWAP3 SWAP1 SWAP5 ADD DUP3 SWAP1 SUB DUP3 KECCAK256 SWAP8 DUP3 MSTORE DUP2 ADD SWAP11 SWAP1 SWAP11 MSTORE POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP8 SWAP1 SWAP8 AND SWAP7 DUP9 ADD SWAP7 SWAP1 SWAP7 MSTORE POP POP PUSH1 0x60 DUP6 ADD MSTORE POP POP PUSH1 0x80 SWAP1 SWAP2 KECCAK256 SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x2 DUP1 SLOAD PUSH1 0x40 MLOAD PUSH32 0x1901000000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE SWAP2 DUP3 ADD MSTORE PUSH1 0x22 DUP2 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0x42 SWAP1 KECCAK256 SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x2FBE PUSH2 0x1AFD DUP4 PUSH2 0x3E23 JUMP JUMPDEST PUSH1 0x0 DUP2 DUP4 LT PUSH2 0x36EE JUMPI DUP2 PUSH2 0x260A JUMP JUMPDEST POP SWAP1 SWAP2 SWAP1 POP JUMP JUMPDEST PUSH2 0x36FD PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD DUP3 SWAP1 MSTORE PUSH1 0xA0 DUP4 ADD MLOAD PUSH1 0x80 DUP5 ADD MLOAD PUSH2 0x3719 SWAP2 DUP5 SWAP2 PUSH2 0x3909 JUMP JUMPDEST DUP1 DUP3 MSTORE PUSH1 0x80 DUP5 ADD MLOAD PUSH1 0xC0 DUP6 ADD MLOAD PUSH2 0x3731 SWAP3 SWAP2 SWAP1 PUSH2 0x3909 JUMP JUMPDEST PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0xA0 DUP4 ADD MLOAD PUSH1 0xE0 DUP5 ADD MLOAD PUSH2 0x374B SWAP2 DUP5 SWAP2 PUSH2 0x3909 JUMP JUMPDEST PUSH1 0x60 DUP3 ADD MSTORE SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x1 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x1F PUSH1 0x2 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH2 0x100 DUP8 DUP10 AND ISZERO MUL ADD SWAP1 SWAP6 AND SWAP5 SWAP1 SWAP5 DIV SWAP4 DUP5 ADD DUP2 SWAP1 DIV DUP2 MUL DUP3 ADD DUP2 ADD SWAP1 SWAP3 MSTORE DUP3 DUP2 MSTORE PUSH1 0x60 SWAP4 SWAP1 SWAP3 SWAP1 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x37FF JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x37D4 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x37FF JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x37E2 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP SWAP1 POP PUSH2 0x381F DUP5 PUSH2 0x140 ADD MLOAD DUP6 PUSH1 0x0 ADD MLOAD DUP6 DUP6 PUSH1 0x0 ADD MLOAD PUSH2 0x3A23 JUMP JUMPDEST PUSH2 0x3838 DUP5 PUSH2 0x160 ADD MLOAD DUP5 DUP7 PUSH1 0x0 ADD MLOAD DUP6 PUSH1 0x20 ADD MLOAD PUSH2 0x3A23 JUMP JUMPDEST PUSH2 0x3850 DUP2 DUP6 PUSH1 0x0 ADD MLOAD DUP7 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x40 ADD MLOAD PUSH2 0x3A23 JUMP JUMPDEST PUSH2 0x27A3 DUP2 DUP5 DUP7 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x60 ADD MLOAD PUSH2 0x3A23 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 ADD DUP4 DUP2 LT ISZERO PUSH2 0x38A3 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567D JUMP JUMPDEST DUP1 SWAP2 POP JUMPDEST POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP4 ISZERO ISZERO PUSH2 0x38C1 JUMPI PUSH1 0x0 SWAP2 POP PUSH2 0x38A7 JUMP JUMPDEST POP DUP3 DUP3 MUL DUP3 DUP5 DUP3 DUP2 ISZERO ISZERO PUSH2 0x38D1 JUMPI INVALID JUMPDEST DIV EQ PUSH2 0x38A3 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567D JUMP JUMPDEST PUSH1 0x0 DUP1 DUP4 GT PUSH2 0x3944 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x564D JUMP JUMPDEST PUSH2 0x394F DUP5 DUP5 DUP5 PUSH2 0x427C JUMP JUMPDEST ISZERO PUSH2 0x3438 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56AD JUMP JUMPDEST PUSH1 0x0 DUP1 DUP4 GT PUSH2 0x39C1 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x564D JUMP JUMPDEST PUSH2 0x39CC DUP5 DUP5 DUP5 PUSH2 0x4301 JUMP JUMPDEST ISZERO PUSH2 0x3A03 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56AD JUMP JUMPDEST PUSH2 0x344B PUSH2 0x3445 PUSH2 0x3A13 DUP7 DUP6 PUSH2 0x38AE JUMP JUMPDEST PUSH2 0x3A1E DUP7 PUSH1 0x1 PUSH2 0x2F7D JUMP JUMPDEST PUSH2 0x3864 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP4 GT DUP1 ISZERO PUSH2 0x3A62 JUMPI POP DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO JUMPDEST ISZERO PUSH2 0x3BE5 JUMPI DUP6 MLOAD PUSH1 0x3 LT PUSH2 0x3AA2 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x573D JUMP JUMPDEST POP POP PUSH1 0x20 DUP5 DUP2 ADD MLOAD PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0xB SWAP1 SWAP3 MSTORE PUSH1 0x40 SWAP1 SWAP2 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP1 ISZERO ISZERO PUSH2 0x3B2B JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56ED JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH7 0xFFFFFFFFFFFE0 PUSH1 0x3F DUP9 MLOAD ADD AND DUP1 PUSH1 0x84 ADD DUP3 ADD PUSH32 0xA85E59E400000000000000000000000000000000000000000000000000000000 DUP4 MSTORE PUSH1 0x80 PUSH1 0x4 DUP5 ADD MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP9 AND PUSH1 0x24 DUP5 ADD MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND PUSH1 0x44 DUP5 ADD MSTORE DUP6 PUSH1 0x64 DUP5 ADD MSTORE PUSH1 0x84 DUP4 ADD JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x3BC7 JUMPI DUP10 MLOAD DUP2 MSTORE PUSH1 0x20 SWAP10 DUP11 ADD SWAP10 ADD PUSH2 0x3BAF JUMP JUMPDEST PUSH2 0x200 DUP5 DUP6 DUP5 SUB DUP7 PUSH1 0x0 DUP10 GAS CALL DUP1 ISZERO ISZERO PUSH2 0x3BDF JUMPI RETURNDATASIZE DUP6 REVERT JUMPDEST POP POP POP POP POP JUMPDEST POP POP POP POP POP POP JUMP JUMPDEST DUP1 MLOAD PUSH1 0x0 SWAP1 PUSH1 0xFF AND PUSH1 0x3 EQ PUSH2 0x3C2E JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x579D JUMP JUMPDEST PUSH1 0x60 DUP4 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND ISZERO PUSH2 0x3CA1 JUMPI PUSH1 0x60 DUP4 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x3CA1 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x57AD JUMP JUMPDEST PUSH2 0x3CA9 PUSH2 0x25DF JUMP JUMPDEST DUP4 MLOAD SWAP1 SWAP2 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP4 AND SWAP2 AND EQ PUSH2 0x3CFF JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x566D JUMP JUMPDEST POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x5 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE DUP3 DUP2 ADD MLOAD DUP4 MLOAD PUSH2 0x140 DUP6 ADD MLOAD PUSH2 0x160 DUP7 ADD MLOAD SWAP4 MLOAD DUP6 SWAP5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP5 DUP6 AND SWAP5 SWAP4 SWAP1 SWAP4 AND SWAP3 PUSH32 0xDC47B3613D9FE400085F6DBDC99453462279057E6207385042827ED6B1A62CF7 SWAP3 PUSH2 0x3D9F SWAP3 CALLER SWAP3 SWAP1 PUSH2 0x54B7 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG4 POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x14 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x3DED JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x578D JUMP JUMPDEST POP ADD PUSH1 0x14 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP1 DUP3 DUP5 DUP2 ISZERO ISZERO PUSH2 0x3E1A JUMPI INVALID JUMPDEST DIV SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x4F72646572280000000000000000000000000000000000000000000000000000 PUSH1 0x20 DUP1 DUP4 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH32 0x61646472657373206D616B6572416464726573732C0000000000000000000000 PUSH1 0x26 DUP4 ADD MSTORE PUSH32 0x616464726573732074616B6572416464726573732C0000000000000000000000 PUSH1 0x3B DUP4 ADD MSTORE PUSH32 0x6164647265737320666565526563697069656E74416464726573732C00000000 PUSH1 0x50 DUP4 ADD MSTORE PUSH32 0x616464726573732073656E646572416464726573732C00000000000000000000 PUSH1 0x6C DUP4 ADD MSTORE PUSH32 0x75696E74323536206D616B65724173736574416D6F756E742C00000000000000 PUSH1 0x82 DUP4 ADD MSTORE PUSH32 0x75696E743235362074616B65724173736574416D6F756E742C00000000000000 PUSH1 0x9B DUP4 ADD MSTORE PUSH32 0x75696E74323536206D616B65724665652C000000000000000000000000000000 PUSH1 0xB4 DUP4 ADD MSTORE PUSH32 0x75696E743235362074616B65724665652C000000000000000000000000000000 PUSH1 0xC5 DUP4 ADD MSTORE PUSH32 0x75696E743235362065787069726174696F6E54696D655365636F6E64732C0000 PUSH1 0xD6 DUP4 ADD MSTORE PUSH32 0x75696E743235362073616C742C00000000000000000000000000000000000000 PUSH1 0xF4 DUP4 ADD MSTORE PUSH32 0x6279746573206D616B65724173736574446174612C0000000000000000000000 PUSH2 0x101 DUP4 ADD MSTORE PUSH32 0x62797465732074616B6572417373657444617461000000000000000000000000 PUSH2 0x116 DUP4 ADD MSTORE PUSH32 0x2900000000000000000000000000000000000000000000000000000000000000 PUSH2 0x12A DUP4 ADD MSTORE DUP3 MLOAD PUSH2 0x10B DUP2 DUP5 SUB ADD DUP2 MSTORE PUSH2 0x12B SWAP1 SWAP3 ADD SWAP3 DUP4 SWAP1 MSTORE DUP2 MLOAD PUSH1 0x0 SWAP4 DUP5 SWAP4 DUP5 SWAP4 DUP5 SWAP4 SWAP2 SWAP3 SWAP2 DUP3 SWAP2 DUP5 ADD SWAP1 DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x40AB JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x406E JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 MLOAD SWAP2 SWAP1 SWAP4 ADD DUP2 SWAP1 SUB DUP2 KECCAK256 PUSH2 0x140 DUP12 ADD MLOAD DUP1 MLOAD SWAP2 SWAP10 POP SWAP6 POP SWAP1 SWAP4 POP DUP4 SWAP3 DUP6 ADD SWAP2 POP DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x4146 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x4109 JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 MLOAD SWAP2 SWAP1 SWAP4 ADD DUP2 SWAP1 SUB DUP2 KECCAK256 PUSH2 0x160 DUP12 ADD MLOAD DUP1 MLOAD SWAP2 SWAP9 POP SWAP6 POP SWAP1 SWAP4 POP DUP4 SWAP3 DUP6 ADD SWAP2 POP DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x41E1 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x41A4 JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 SWAP1 SWAP4 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP2 AND SWAP3 AND SWAP2 SWAP1 SWAP2 OR SWAP1 MSTORE PUSH1 0x40 MLOAD SWAP3 ADD DUP3 SWAP1 SUB SWAP1 SWAP2 KECCAK256 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 DUP10 ADD DUP1 MLOAD PUSH2 0x140 DUP12 ADD DUP1 MLOAD PUSH2 0x160 SWAP1 SWAP13 ADD DUP1 MLOAD SWAP11 DUP5 MSTORE SWAP9 DUP2 MSTORE SWAP3 DUP9 MSTORE PUSH2 0x1A0 DUP3 KECCAK256 SWAP2 MSTORE SWAP9 SWAP1 MSTORE POP POP POP SWAP2 SWAP1 MSTORE POP SWAP1 SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 DUP5 GT PUSH2 0x42B8 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x564D JUMP JUMPDEST DUP3 ISZERO DUP1 PUSH2 0x42C3 JUMPI POP DUP5 ISZERO JUMPDEST ISZERO PUSH2 0x42D1 JUMPI PUSH1 0x0 SWAP2 POP PUSH2 0xA88 JUMP JUMPDEST DUP4 DUP1 ISZERO ISZERO PUSH2 0x42DB JUMPI INVALID JUMPDEST DUP6 DUP5 MULMOD SWAP1 POP PUSH2 0x42EA DUP6 DUP5 PUSH2 0x38AE JUMP JUMPDEST PUSH2 0x42F6 PUSH2 0x3E8 DUP4 PUSH2 0x38AE JUMP JUMPDEST LT ISZERO SWAP6 SWAP5 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 DUP5 GT PUSH2 0x433D JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x564D JUMP JUMPDEST DUP3 ISZERO DUP1 PUSH2 0x4348 JUMPI POP DUP5 ISZERO JUMPDEST ISZERO PUSH2 0x4356 JUMPI PUSH1 0x0 SWAP2 POP PUSH2 0xA88 JUMP JUMPDEST DUP4 DUP1 ISZERO ISZERO PUSH2 0x4360 JUMPI INVALID JUMPDEST DUP6 DUP5 MULMOD SWAP1 POP DUP4 PUSH2 0x4370 DUP6 DUP4 PUSH2 0x2F7D JUMP JUMPDEST DUP2 ISZERO ISZERO PUSH2 0x4379 JUMPI INVALID JUMPDEST MOD SWAP1 POP PUSH2 0x42EA DUP6 DUP5 PUSH2 0x38AE JUMP JUMPDEST PUSH1 0x80 PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE POP SWAP1 JUMP JUMPDEST PUSH2 0x120 PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 PUSH2 0x43C4 PUSH2 0x4386 JUMP JUMPDEST DUP2 MSTORE PUSH1 0x20 ADD PUSH2 0x43D1 PUSH2 0x4386 JUMP JUMPDEST DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE POP SWAP1 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x60 DUP2 ADD DUP3 MSTORE PUSH1 0x0 DUP1 DUP3 MSTORE PUSH1 0x20 DUP3 ADD DUP2 SWAP1 MSTORE SWAP2 DUP2 ADD SWAP2 SWAP1 SWAP2 MSTORE SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x260A DUP3 CALLDATALOAD PUSH2 0x58B0 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x441B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x442E PUSH2 0x4429 DUP3 PUSH2 0x583F JUMP JUMPDEST PUSH2 0x5818 JUMP JUMPDEST DUP2 DUP2 MSTORE PUSH1 0x20 SWAP4 DUP5 ADD SWAP4 SWAP1 SWAP3 POP DUP3 ADD DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x446C JUMPI DUP2 CALLDATALOAD DUP7 ADD PUSH2 0x4456 DUP9 DUP3 PUSH2 0x45BC JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0x4440 JUMP JUMPDEST POP POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x4487 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x4495 PUSH2 0x4429 DUP3 PUSH2 0x583F JUMP JUMPDEST DUP2 DUP2 MSTORE PUSH1 0x20 SWAP4 DUP5 ADD SWAP4 SWAP1 SWAP3 POP DUP3 ADD DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x446C JUMPI DUP2 CALLDATALOAD DUP7 ADD PUSH2 0x44BD DUP9 DUP3 PUSH2 0x460B JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0x44A7 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x44E4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x44F2 PUSH2 0x4429 DUP3 PUSH2 0x583F JUMP JUMPDEST SWAP2 POP DUP2 DUP2 DUP4 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH1 0x20 DUP2 ADD SWAP1 POP DUP4 DUP6 PUSH1 0x20 DUP5 MUL DUP3 ADD GT ISZERO PUSH2 0x4517 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x446C JUMPI DUP2 PUSH2 0x452D DUP9 DUP3 PUSH2 0x454F JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0x451A JUMP JUMPDEST PUSH1 0x0 PUSH2 0x260A DUP3 CALLDATALOAD PUSH2 0x58C9 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x260A DUP3 CALLDATALOAD PUSH2 0x58CE JUMP JUMPDEST PUSH1 0x0 PUSH2 0x260A DUP3 CALLDATALOAD PUSH2 0x58D1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x260A DUP3 MLOAD PUSH2 0x58D1 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x1F DUP4 ADD DUP5 SGT PUSH2 0x4585 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP DUP2 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x459D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x20 DUP4 ADD SWAP2 POP DUP4 PUSH1 0x1 DUP3 MUL DUP4 ADD GT ISZERO PUSH2 0x45B5 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x45CD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x45DB PUSH2 0x4429 DUP3 PUSH2 0x5860 JUMP JUMPDEST SWAP2 POP DUP1 DUP3 MSTORE PUSH1 0x20 DUP4 ADD PUSH1 0x20 DUP4 ADD DUP6 DUP4 DUP4 ADD GT ISZERO PUSH2 0x45F7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4602 DUP4 DUP3 DUP5 PUSH2 0x5907 JUMP JUMPDEST POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x180 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x461E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4629 PUSH2 0x180 PUSH2 0x5818 JUMP JUMPDEST SWAP1 POP PUSH1 0x0 PUSH2 0x4637 DUP5 DUP5 PUSH2 0x43FE JUMP JUMPDEST DUP3 MSTORE POP PUSH1 0x20 PUSH2 0x4648 DUP5 DUP5 DUP4 ADD PUSH2 0x43FE JUMP JUMPDEST PUSH1 0x20 DUP4 ADD MSTORE POP PUSH1 0x40 PUSH2 0x465C DUP5 DUP3 DUP6 ADD PUSH2 0x43FE JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MSTORE POP PUSH1 0x60 PUSH2 0x4670 DUP5 DUP3 DUP6 ADD PUSH2 0x43FE JUMP JUMPDEST PUSH1 0x60 DUP4 ADD MSTORE POP PUSH1 0x80 PUSH2 0x4684 DUP5 DUP3 DUP6 ADD PUSH2 0x454F JUMP JUMPDEST PUSH1 0x80 DUP4 ADD MSTORE POP PUSH1 0xA0 PUSH2 0x4698 DUP5 DUP3 DUP6 ADD PUSH2 0x454F JUMP JUMPDEST PUSH1 0xA0 DUP4 ADD MSTORE POP PUSH1 0xC0 PUSH2 0x46AC DUP5 DUP3 DUP6 ADD PUSH2 0x454F JUMP JUMPDEST PUSH1 0xC0 DUP4 ADD MSTORE POP PUSH1 0xE0 PUSH2 0x46C0 DUP5 DUP3 DUP6 ADD PUSH2 0x454F JUMP JUMPDEST PUSH1 0xE0 DUP4 ADD MSTORE POP PUSH2 0x100 PUSH2 0x46D5 DUP5 DUP3 DUP6 ADD PUSH2 0x454F JUMP JUMPDEST PUSH2 0x100 DUP4 ADD MSTORE POP PUSH2 0x120 PUSH2 0x46EB DUP5 DUP3 DUP6 ADD PUSH2 0x454F JUMP JUMPDEST PUSH2 0x120 DUP4 ADD MSTORE POP PUSH2 0x140 DUP3 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x470D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4719 DUP5 DUP3 DUP6 ADD PUSH2 0x45BC JUMP JUMPDEST PUSH2 0x140 DUP4 ADD MSTORE POP PUSH2 0x160 DUP3 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x473B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4747 DUP5 DUP3 DUP6 ADD PUSH2 0x45BC JUMP JUMPDEST PUSH2 0x160 DUP4 ADD MSTORE POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x4766 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x344B DUP5 DUP5 PUSH2 0x43FE JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x4785 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x4791 DUP6 DUP6 PUSH2 0x43FE JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 PUSH2 0x47A2 DUP6 DUP3 DUP7 ADD PUSH2 0x43FE JUMP JUMPDEST SWAP2 POP POP SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x47BF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x47CB DUP6 DUP6 PUSH2 0x43FE JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 PUSH2 0x47A2 DUP6 DUP3 DUP7 ADD PUSH2 0x4543 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x47EE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4805 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x344B DUP5 DUP3 DUP6 ADD PUSH2 0x4476 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x60 DUP5 DUP7 SUB SLT ISZERO PUSH2 0x4826 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP4 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x483D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4849 DUP7 DUP3 DUP8 ADD PUSH2 0x4476 JUMP JUMPDEST SWAP4 POP POP PUSH1 0x20 DUP5 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4866 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4872 DUP7 DUP3 DUP8 ADD PUSH2 0x44D3 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x40 DUP5 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x488F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x489B DUP7 DUP3 DUP8 ADD PUSH2 0x440A JUMP JUMPDEST SWAP2 POP POP SWAP3 POP SWAP3 POP SWAP3 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x60 DUP5 DUP7 SUB SLT ISZERO PUSH2 0x48BA JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP4 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x48D1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x48DD DUP7 DUP3 DUP8 ADD PUSH2 0x4476 JUMP JUMPDEST SWAP4 POP POP PUSH1 0x20 PUSH2 0x4872 DUP7 DUP3 DUP8 ADD PUSH2 0x454F JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x4900 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x344B DUP5 DUP5 PUSH2 0x454F JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x491F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x4791 DUP6 DUP6 PUSH2 0x454F JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x60 DUP6 DUP8 SUB SLT ISZERO PUSH2 0x4941 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x494D DUP8 DUP8 PUSH2 0x454F JUMP JUMPDEST SWAP5 POP POP PUSH1 0x20 PUSH2 0x495E DUP8 DUP3 DUP9 ADD PUSH2 0x43FE JUMP JUMPDEST SWAP4 POP POP PUSH1 0x40 DUP6 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x497B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4987 DUP8 DUP3 DUP9 ADD PUSH2 0x4573 JUMP JUMPDEST SWAP6 SWAP9 SWAP5 SWAP8 POP SWAP6 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x60 DUP5 DUP7 SUB SLT ISZERO PUSH2 0x49A8 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x49B4 DUP7 DUP7 PUSH2 0x454F JUMP JUMPDEST SWAP4 POP POP PUSH1 0x20 PUSH2 0x49C5 DUP7 DUP3 DUP8 ADD PUSH2 0x43FE JUMP JUMPDEST SWAP3 POP POP PUSH1 0x40 DUP5 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x49E2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x489B DUP7 DUP3 DUP8 ADD PUSH2 0x45BC JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x4A00 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x344B DUP5 DUP5 PUSH2 0x455B JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x4A1E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x344B DUP5 DUP5 PUSH2 0x4567 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x4A3C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4A53 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x344B DUP5 DUP3 DUP6 ADD PUSH2 0x460B JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x80 DUP6 DUP8 SUB SLT ISZERO PUSH2 0x4A75 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP5 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4A8C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4A98 DUP8 DUP3 DUP9 ADD PUSH2 0x460B JUMP JUMPDEST SWAP5 POP POP PUSH1 0x20 DUP6 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4AB5 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4AC1 DUP8 DUP3 DUP9 ADD PUSH2 0x460B JUMP JUMPDEST SWAP4 POP POP PUSH1 0x40 DUP6 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4ADE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4AEA DUP8 DUP3 DUP9 ADD PUSH2 0x45BC JUMP JUMPDEST SWAP3 POP POP PUSH1 0x60 DUP6 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4B07 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4B13 DUP8 DUP3 DUP9 ADD PUSH2 0x45BC JUMP JUMPDEST SWAP2 POP POP SWAP3 SWAP6 SWAP2 SWAP5 POP SWAP3 POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x60 DUP5 DUP7 SUB SLT ISZERO PUSH2 0x4B34 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP4 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4B4B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4B57 DUP7 DUP3 DUP8 ADD PUSH2 0x460B JUMP JUMPDEST SWAP4 POP POP PUSH1 0x20 PUSH2 0x49C5 DUP7 DUP3 DUP8 ADD PUSH2 0x454F JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x80 DUP8 DUP10 SUB SLT ISZERO PUSH2 0x4B81 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x4B8D DUP10 DUP10 PUSH2 0x454F JUMP JUMPDEST SWAP7 POP POP PUSH1 0x20 PUSH2 0x4B9E DUP10 DUP3 DUP11 ADD PUSH2 0x43FE JUMP JUMPDEST SWAP6 POP POP PUSH1 0x40 DUP8 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4BBB JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4BC7 DUP10 DUP3 DUP11 ADD PUSH2 0x4573 JUMP JUMPDEST SWAP5 POP SWAP5 POP POP PUSH1 0x60 DUP8 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4BE6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4BF2 DUP10 DUP3 DUP11 ADD PUSH2 0x4573 JUMP JUMPDEST SWAP3 POP SWAP3 POP POP SWAP3 SWAP6 POP SWAP3 SWAP6 POP SWAP3 SWAP6 JUMP JUMPDEST PUSH2 0x4C0A DUP2 PUSH2 0x58B0 JUMP JUMPDEST DUP3 MSTORE POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x4C1B DUP3 PUSH2 0x58AC JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH2 0x4C2D DUP4 PUSH2 0x58A6 JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP3 DUP2 LT ISZERO PUSH2 0x4C5D JUMPI PUSH2 0x4C43 DUP7 DUP4 MLOAD PUSH2 0x53E5 JUMP JUMPDEST PUSH2 0x4C4C DUP3 PUSH2 0x58A6 JUMP JUMPDEST PUSH1 0x60 SWAP7 SWAP1 SWAP7 ADD SWAP6 SWAP2 POP PUSH1 0x1 ADD PUSH2 0x4C30 JUMP JUMPDEST POP SWAP4 SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH2 0x4C0A DUP2 PUSH2 0x58C9 JUMP JUMPDEST PUSH2 0x4C0A DUP2 PUSH2 0x58CE JUMP JUMPDEST PUSH2 0x4C0A DUP2 PUSH2 0x58D1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x4C8D DUP3 PUSH2 0x58AC JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH2 0x4CA1 DUP2 PUSH1 0x20 DUP7 ADD PUSH1 0x20 DUP7 ADD PUSH2 0x5913 JUMP JUMPDEST PUSH2 0x4CAA DUP2 PUSH2 0x593F JUMP JUMPDEST SWAP1 SWAP4 ADD PUSH1 0x20 ADD SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH2 0x4C0A DUP2 PUSH2 0x58FC JUMP JUMPDEST PUSH1 0x12 DUP2 MSTORE PUSH32 0x4C454E4754485F36355F52455155495245440000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xD DUP2 MSTORE PUSH32 0x494E56414C49445F54414B455200000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xE DUP2 MSTORE PUSH32 0x4F524445525F4F56455246494C4C000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x11 DUP2 MSTORE PUSH32 0x55494E543235365F554E444552464C4F57000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x1A DUP2 MSTORE PUSH32 0x41535345545F50524F58595F414C52454144595F455849535453000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x26 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F33325F4C454E4754485F5245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5155495245440000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x15 DUP2 MSTORE PUSH32 0x5349474E41545552455F554E535550504F525445440000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x10 DUP2 MSTORE PUSH32 0x4449564953494F4E5F42595F5A45524F00000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x17 DUP2 MSTORE PUSH32 0x494E56414C49445F4F524445525F5349474E4154555245000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xD DUP2 MSTORE PUSH32 0x494E56414C49445F4D414B455200000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x10 DUP2 MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xF DUP2 MSTORE PUSH32 0x494E56414C49445F54585F484153480000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x11 DUP2 MSTORE PUSH32 0x494E56414C49445F5349474E4154555245000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xE DUP2 MSTORE PUSH32 0x524F554E44494E475F4552524F52000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x10 DUP2 MSTORE PUSH32 0x4641494C45445F455845435554494F4E00000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xD DUP2 MSTORE PUSH32 0x54414B45525F4F56455250415900000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x14 DUP2 MSTORE PUSH32 0x494E56414C49445F54414B45525F414D4F554E54000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x1A DUP2 MSTORE PUSH32 0x41535345545F50524F58595F444F45535F4E4F545F4558495354000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x21 DUP2 MSTORE PUSH32 0x475245415445525F5448414E5F5A45524F5F4C454E4754485F52455155495245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x4400000000000000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x11 DUP2 MSTORE PUSH32 0x5349474E41545552455F494C4C4547414C000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x1E DUP2 MSTORE PUSH32 0x4C454E4754485F475245415445525F5448414E5F305F52455155495245440000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x17 DUP2 MSTORE PUSH32 0x494E56414C49445F4E45575F4F524445525F45504F4348000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x1E DUP2 MSTORE PUSH32 0x4C454E4754485F475245415445525F5448414E5F335F52455155495245440000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x14 DUP2 MSTORE PUSH32 0x434F4D504C4554455F46494C4C5F4641494C4544000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x12 DUP2 MSTORE PUSH32 0x494E56414C49445F46494C4C5F50524943450000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x12 DUP2 MSTORE PUSH32 0x5245454E5452414E43595F494C4C4547414C0000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x13 DUP2 MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x26 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F32305F4C454E4754485F5245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5155495245440000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x10 DUP2 MSTORE PUSH32 0x4F524445525F554E46494C4C41424C4500000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xE DUP2 MSTORE PUSH32 0x494E56414C49445F53454E444552000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x18 DUP2 MSTORE PUSH32 0x4E454741544956455F5350524541445F52455155495245440000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x14 DUP2 MSTORE PUSH32 0x494E56414C49445F54585F5349474E4154555245000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x11 DUP2 MSTORE PUSH32 0x4C454E4754485F305F5245515549524544000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST DUP1 MLOAD PUSH1 0x80 DUP4 ADD SWAP1 PUSH2 0x5373 DUP5 DUP3 PUSH2 0x4C70 JUMP JUMPDEST POP PUSH1 0x20 DUP3 ADD MLOAD PUSH2 0x5386 PUSH1 0x20 DUP6 ADD DUP3 PUSH2 0x4C70 JUMP JUMPDEST POP PUSH1 0x40 DUP3 ADD MLOAD PUSH2 0x5399 PUSH1 0x40 DUP6 ADD DUP3 PUSH2 0x4C70 JUMP JUMPDEST POP PUSH1 0x60 DUP3 ADD MLOAD PUSH2 0x27A3 PUSH1 0x60 DUP6 ADD DUP3 PUSH2 0x4C70 JUMP JUMPDEST DUP1 MLOAD PUSH2 0x120 DUP4 ADD SWAP1 PUSH2 0x53BE DUP5 DUP3 PUSH2 0x5362 JUMP JUMPDEST POP PUSH1 0x20 DUP3 ADD MLOAD PUSH2 0x53D1 PUSH1 0x80 DUP6 ADD DUP3 PUSH2 0x5362 JUMP JUMPDEST POP PUSH1 0x40 DUP3 ADD MLOAD PUSH2 0x27A3 PUSH2 0x100 DUP6 ADD DUP3 PUSH2 0x4C70 JUMP JUMPDEST DUP1 MLOAD PUSH1 0x60 DUP4 ADD SWAP1 PUSH2 0x53F6 DUP5 DUP3 PUSH2 0x541C JUMP JUMPDEST POP PUSH1 0x20 DUP3 ADD MLOAD PUSH2 0x5409 PUSH1 0x20 DUP6 ADD DUP3 PUSH2 0x4C70 JUMP JUMPDEST POP PUSH1 0x40 DUP3 ADD MLOAD PUSH2 0x27A3 PUSH1 0x40 DUP6 ADD DUP3 PUSH2 0x4C70 JUMP JUMPDEST PUSH2 0x4C0A DUP2 PUSH2 0x58F6 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x2FBE DUP3 DUP5 PUSH2 0x4C01 JUMP JUMPDEST PUSH2 0x100 DUP2 ADD PUSH2 0x5442 DUP3 DUP12 PUSH2 0x4C01 JUMP JUMPDEST PUSH2 0x544F PUSH1 0x20 DUP4 ADD DUP11 PUSH2 0x4C01 JUMP JUMPDEST PUSH2 0x545C PUSH1 0x40 DUP4 ADD DUP10 PUSH2 0x4C70 JUMP JUMPDEST PUSH2 0x5469 PUSH1 0x60 DUP4 ADD DUP9 PUSH2 0x4C70 JUMP JUMPDEST PUSH2 0x5476 PUSH1 0x80 DUP4 ADD DUP8 PUSH2 0x4C70 JUMP JUMPDEST PUSH2 0x5483 PUSH1 0xA0 DUP4 ADD DUP7 PUSH2 0x4C70 JUMP JUMPDEST DUP2 DUP2 SUB PUSH1 0xC0 DUP4 ADD MSTORE PUSH2 0x5495 DUP2 DUP6 PUSH2 0x4C82 JUMP JUMPDEST SWAP1 POP DUP2 DUP2 SUB PUSH1 0xE0 DUP4 ADD MSTORE PUSH2 0x54A9 DUP2 DUP5 PUSH2 0x4C82 JUMP JUMPDEST SWAP11 SWAP10 POP POP POP POP POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x60 DUP2 ADD PUSH2 0x54C5 DUP3 DUP7 PUSH2 0x4C01 JUMP JUMPDEST DUP2 DUP2 SUB PUSH1 0x20 DUP4 ADD MSTORE PUSH2 0x54D7 DUP2 DUP6 PUSH2 0x4C82 JUMP JUMPDEST SWAP1 POP DUP2 DUP2 SUB PUSH1 0x40 DUP4 ADD MSTORE PUSH2 0x54EB DUP2 DUP5 PUSH2 0x4C82 JUMP JUMPDEST SWAP6 SWAP5 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x260A DUP2 DUP5 PUSH2 0x4C10 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x2FBE DUP3 DUP5 PUSH2 0x4C67 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x2FBE DUP3 DUP5 PUSH2 0x4C70 JUMP JUMPDEST PUSH1 0x60 DUP2 ADD PUSH2 0x552F DUP3 DUP7 PUSH2 0x4C70 JUMP JUMPDEST PUSH2 0x553C PUSH1 0x20 DUP4 ADD DUP6 PUSH2 0x4C01 JUMP JUMPDEST DUP2 DUP2 SUB PUSH1 0x40 DUP4 ADD MSTORE PUSH2 0x54EB DUP2 DUP5 PUSH2 0x4C82 JUMP JUMPDEST PUSH1 0x40 DUP2 ADD PUSH2 0x555C DUP3 DUP6 PUSH2 0x4C70 JUMP JUMPDEST DUP2 DUP2 SUB PUSH1 0x20 DUP4 ADD MSTORE PUSH2 0x344B DUP2 DUP5 PUSH2 0x4C82 JUMP JUMPDEST PUSH1 0x80 DUP2 ADD PUSH2 0x557C DUP3 DUP8 PUSH2 0x4C70 JUMP JUMPDEST PUSH2 0x5589 PUSH1 0x20 DUP4 ADD DUP7 PUSH2 0x541C JUMP JUMPDEST PUSH2 0x5596 PUSH1 0x40 DUP4 ADD DUP6 PUSH2 0x4C70 JUMP JUMPDEST PUSH2 0x54EB PUSH1 0x60 DUP4 ADD DUP5 PUSH2 0x4C70 JUMP JUMPDEST PUSH1 0x40 DUP2 ADD PUSH2 0x55B1 DUP3 DUP6 PUSH2 0x4C79 JUMP JUMPDEST PUSH2 0x260A PUSH1 0x20 DUP4 ADD DUP5 PUSH2 0x4C01 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x260A DUP2 DUP5 PUSH2 0x4C82 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x2FBE DUP3 DUP5 PUSH2 0x4CB7 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4CC0 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4CF0 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4D20 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4D50 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4D80 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4DB0 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4E06 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4E36 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4E66 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4E96 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4EC6 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4EF6 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4F26 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4F56 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4F86 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4FB6 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4FE6 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x5016 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x5046 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x509C JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x50CC JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x50FC JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x512C JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x515C JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x518C JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x51BC JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x51EC JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x521C JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x5272 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x52A2 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x52D2 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x5302 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x5332 JUMP JUMPDEST PUSH1 0x80 DUP2 ADD PUSH2 0x2FBE DUP3 DUP5 PUSH2 0x5362 JUMP JUMPDEST PUSH2 0x120 DUP2 ADD PUSH2 0x2FBE DUP3 DUP5 PUSH2 0x53AC JUMP JUMPDEST PUSH1 0x60 DUP2 ADD PUSH2 0x2FBE DUP3 DUP5 PUSH2 0x53E5 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP2 DUP2 ADD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT DUP3 DUP3 LT OR ISZERO PUSH2 0x5837 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x40 MSTORE SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH8 0xFFFFFFFFFFFFFFFF DUP3 GT ISZERO PUSH2 0x5856 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x20 SWAP1 DUP2 MUL ADD SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH8 0xFFFFFFFFFFFFFFFF DUP3 GT ISZERO PUSH2 0x5877 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x20 PUSH1 0x1F SWAP2 SWAP1 SWAP2 ADD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 AND ADD SWAP1 JUMP JUMPDEST PUSH1 0x20 ADD SWAP1 JUMP JUMPDEST MLOAD SWAP1 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST ISZERO ISZERO SWAP1 JUMP JUMPDEST SWAP1 JUMP JUMPDEST PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND SWAP1 JUMP JUMPDEST PUSH1 0xFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x2FBE DUP3 PUSH2 0x58B0 JUMP JUMPDEST DUP3 DUP2 DUP4 CALLDATACOPY POP PUSH1 0x0 SWAP2 ADD MSTORE JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x592E JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x5916 JUMP JUMPDEST DUP4 DUP2 GT ISZERO PUSH2 0x27A3 JUMPI POP POP PUSH1 0x0 SWAP2 ADD MSTORE JUMP JUMPDEST PUSH1 0x1F ADD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 AND SWAP1 JUMP STOP LOG2 PUSH6 0x627A7A723058 KECCAK256 PUSH22 0xFCAE05644C6AFA57DA58B9541210644237FC1EC14ADF MSIZE 0xf 0xb4 0xa6 EXTCODESIZE 0xa9 0xae 0xc8 DUP8 PUSH13 0x6578706572696D656E74616CF5 STOP CALLDATACOPY ", + "sourceMap": 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PUSH2 0x461 JUMPI DUP1 PUSH4 0x8DA5CB5B EQ PUSH2 0x481 JUMPI DUP1 PUSH4 0x93634702 EQ PUSH2 0x496 JUMPI DUP1 PUSH4 0xA3E20380 EQ PUSH2 0x4B6 JUMPI DUP1 PUSH4 0xB4BE83D5 EQ PUSH2 0x4D6 JUMPI DUP1 PUSH4 0xBFC8BFCE EQ PUSH2 0x4F6 JUMPI DUP1 PUSH4 0xC585BB93 EQ PUSH2 0x516 JUMPI DUP1 PUSH4 0xC75E0A81 EQ PUSH2 0x536 JUMPI DUP1 PUSH4 0xD46B02C3 EQ PUSH2 0x563 JUMPI DUP1 PUSH4 0xD9BFA73E EQ PUSH2 0x583 JUMPI DUP1 PUSH4 0xDB123B1A EQ PUSH2 0x5A3 JUMPI DUP1 PUSH4 0xDD1C7D18 EQ PUSH2 0x5C5 JUMPI DUP1 PUSH4 0xE306F779 EQ PUSH2 0x5E5 JUMPI DUP1 PUSH4 0xE5FA431B EQ PUSH2 0x5FA JUMPI DUP1 PUSH4 0xEEA086BA EQ PUSH2 0x61A JUMPI DUP1 PUSH4 0xF2FDE38B EQ PUSH2 0x62F JUMPI DUP1 PUSH4 0xFFA1AD74 EQ PUSH2 0x64F JUMPI JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1C7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH2 0x1D6 CALLDATASIZE PUSH1 0x4 PUSH2 0x48EE JUMP JUMPDEST PUSH2 0x664 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x5513 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1FD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x20C CALLDATASIZE PUSH1 0x4 PUSH2 0x4811 JUMP JUMPDEST PUSH2 0x676 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x57ED JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x22A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x23E PUSH2 0x239 CALLDATASIZE PUSH1 0x4 PUSH2 0x48EE JUMP JUMPDEST PUSH2 0x7A1 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x5505 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x257 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x266 CALLDATASIZE PUSH1 0x4 PUSH2 0x492B JUMP JUMPDEST PUSH2 0x7B6 JUMP JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x279 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x28D PUSH2 0x288 CALLDATASIZE PUSH1 0x4 PUSH2 0x4A5F JUMP JUMPDEST PUSH2 0x8A3 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x57FB JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2A6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x2B5 CALLDATASIZE PUSH1 0x4 PUSH2 0x4B1F JUMP JUMPDEST PUSH2 0xA3A JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2C6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2DA PUSH2 0x2D5 CALLDATASIZE PUSH1 0x4 PUSH2 0x49EE JUMP JUMPDEST PUSH2 0xA90 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x55CF JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2F3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x302 CALLDATASIZE PUSH1 0x4 PUSH2 0x47DC JUMP JUMPDEST PUSH2 0xAB8 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x313 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x322 CALLDATASIZE PUSH1 0x4 PUSH2 0x4811 JUMP JUMPDEST PUSH2 0xB85 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x333 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x342 CALLDATASIZE PUSH1 0x4 PUSH2 0x48EE JUMP JUMPDEST PUSH2 0xC75 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x353 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x362 CALLDATASIZE PUSH1 0x4 PUSH2 0x4811 JUMP JUMPDEST PUSH2 0xE2A JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x373 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x387 PUSH2 0x382 CALLDATASIZE PUSH1 0x4 PUSH2 0x49EE JUMP JUMPDEST PUSH2 0xEBE JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x5425 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3A0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x23E PUSH2 0x3AF CALLDATASIZE PUSH1 0x4 PUSH2 0x48EE JUMP JUMPDEST PUSH2 0xF0C JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3C0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x3CF CALLDATASIZE PUSH1 0x4 PUSH2 0x4B1F JUMP JUMPDEST PUSH2 0xF21 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3E0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x3EF CALLDATASIZE PUSH1 0x4 PUSH2 0x47AC JUMP JUMPDEST PUSH2 0xFCC JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x400 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x23E PUSH2 0x40F CALLDATASIZE PUSH1 0x4 PUSH2 0x4772 JUMP JUMPDEST PUSH2 0x1106 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x420 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x42F CALLDATASIZE PUSH1 0x4 PUSH2 0x48A5 JUMP JUMPDEST PUSH2 0x1126 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x440 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x454 PUSH2 0x44F CALLDATASIZE PUSH1 0x4 PUSH2 0x47DC JUMP JUMPDEST PUSH2 0x128A JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x54F4 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x46D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x23E PUSH2 0x47C CALLDATASIZE PUSH1 0x4 PUSH2 0x490C JUMP JUMPDEST PUSH2 0x131F JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x48D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x387 PUSH2 0x133F JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x4A2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x23E PUSH2 0x4B1 CALLDATASIZE PUSH1 0x4 PUSH2 0x4993 JUMP JUMPDEST PUSH2 0x135B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x4C2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x4D1 CALLDATASIZE PUSH1 0x4 PUSH2 0x48A5 JUMP JUMPDEST PUSH2 0x18DE JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x4E2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x4F1 CALLDATASIZE PUSH1 0x4 PUSH2 0x4B1F JUMP JUMPDEST PUSH2 0x19F1 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x502 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x511 CALLDATASIZE PUSH1 0x4 PUSH2 0x4B68 JUMP JUMPDEST PUSH2 0x1A6C JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x522 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x531 CALLDATASIZE PUSH1 0x4 PUSH2 0x4754 JUMP JUMPDEST PUSH2 0x1D05 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x542 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x556 PUSH2 0x551 CALLDATASIZE PUSH1 0x4 PUSH2 0x4A2A JUMP JUMPDEST PUSH2 0x1F30 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x580A JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x56F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x57E CALLDATASIZE PUSH1 0x4 PUSH2 0x4A2A JUMP JUMPDEST PUSH2 0x202A JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x58F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH2 0x59E CALLDATASIZE PUSH1 0x4 PUSH2 0x4772 JUMP JUMPDEST PUSH2 0x20C6 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x5AF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x5B8 PUSH2 0x20E3 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x55BE JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x5D1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x5E0 CALLDATASIZE PUSH1 0x4 PUSH2 0x48A5 JUMP JUMPDEST PUSH2 0x218E JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x5F1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH2 0x2263 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x606 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x615 CALLDATASIZE PUSH1 0x4 PUSH2 0x48A5 JUMP JUMPDEST PUSH2 0x2269 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x626 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x387 PUSH2 0x23DB JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x63B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x64A CALLDATASIZE PUSH1 0x4 PUSH2 0x4754 JUMP JUMPDEST PUSH2 0x23F7 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x65B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x5B8 PUSH2 0x24A8 JUMP JUMPDEST PUSH1 0x4 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP2 JUMP JUMPDEST PUSH2 0x67E PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0x689 PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x6CF JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x576D JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR DUP2 SSTORE DUP8 MLOAD SWAP4 POP SWAP2 POP JUMPDEST DUP2 DUP4 EQ PUSH2 0x76F JUMPI PUSH2 0x758 DUP8 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x719 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP8 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x731 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP8 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x749 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x24DF JUMP JUMPDEST SWAP1 POP PUSH2 0x764 DUP5 DUP3 PUSH2 0x257D JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH2 0x701 JUMP JUMPDEST POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x5 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND CALLER EQ PUSH2 0x846 JUMPI PUSH2 0x80E DUP5 DUP5 DUP5 DUP5 DUP1 DUP1 PUSH1 0x1F ADD PUSH1 0x20 DUP1 SWAP2 DIV MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP4 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP4 DUP4 DUP1 DUP3 DUP5 CALLDATACOPY POP PUSH2 0x135B SWAP5 POP POP POP POP POP JUMP JUMPDEST ISZERO ISZERO PUSH2 0x846 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x569D JUMP JUMPDEST POP POP PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x7 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP4 AND DUP5 MSTORE SWAP2 SWAP1 MSTORE SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE JUMP JUMPDEST PUSH2 0x8AB PUSH2 0x43AF JUMP JUMPDEST PUSH2 0x8B3 PUSH2 0x43DE JUMP JUMPDEST PUSH2 0x8BB PUSH2 0x43DE JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x8F9 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x576D JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE PUSH2 0x160 DUP1 DUP10 ADD MLOAD PUSH2 0x140 DUP1 DUP11 ADD SWAP2 SWAP1 SWAP2 MSTORE DUP10 ADD MLOAD SWAP1 DUP9 ADD MSTORE PUSH2 0x945 DUP9 PUSH2 0x1F30 JUMP JUMPDEST SWAP3 POP PUSH2 0x950 DUP8 PUSH2 0x1F30 JUMP JUMPDEST SWAP2 POP PUSH2 0x95A PUSH2 0x25DF JUMP JUMPDEST SWAP1 POP PUSH2 0x968 DUP9 DUP5 DUP4 DUP10 PUSH2 0x2611 JUMP JUMPDEST PUSH2 0x974 DUP8 DUP4 DUP4 DUP9 PUSH2 0x2611 JUMP JUMPDEST PUSH2 0x97E DUP9 DUP9 PUSH2 0x27A9 JUMP JUMPDEST PUSH2 0x992 DUP9 DUP9 DUP6 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x40 ADD MLOAD PUSH2 0x2809 JUMP JUMPDEST DUP1 MLOAD PUSH1 0x20 DUP2 ADD MLOAD SWAP1 MLOAD SWAP2 SWAP6 POP PUSH2 0x9AD SWAP2 DUP11 SWAP2 DUP7 SWAP2 DUP2 SWAP1 PUSH2 0x2990 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP6 ADD MLOAD SWAP1 DUP2 ADD MLOAD SWAP1 MLOAD PUSH2 0x9C9 SWAP2 DUP10 SWAP2 DUP6 SWAP2 SWAP1 DUP2 SWAP1 PUSH2 0x2990 JUMP JUMPDEST PUSH2 0x9E2 DUP9 DUP3 DUP6 PUSH1 0x20 ADD MLOAD DUP7 PUSH1 0x40 ADD MLOAD DUP9 PUSH1 0x0 ADD MLOAD PUSH2 0x2AA9 JUMP JUMPDEST PUSH2 0x9FB DUP8 DUP3 DUP5 PUSH1 0x20 ADD MLOAD DUP6 PUSH1 0x40 ADD MLOAD DUP9 PUSH1 0x20 ADD MLOAD PUSH2 0x2AA9 JUMP JUMPDEST PUSH2 0xA07 DUP9 DUP9 DUP4 DUP8 PUSH2 0x2B55 JUMP JUMPDEST POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH2 0xA42 PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x60 PUSH2 0xA4F DUP6 DUP6 DUP6 PUSH2 0x2D2D JUMP JUMPDEST SWAP1 POP PUSH1 0x80 DUP2 DUP3 MLOAD PUSH1 0x20 DUP5 ADD ADDRESS GAS DELEGATECALL DUP1 ISZERO PUSH2 0xA86 JUMPI DUP2 MLOAD DUP4 MSTORE PUSH1 0x20 DUP3 ADD MLOAD PUSH1 0x20 DUP5 ADD MSTORE PUSH1 0x40 DUP3 ADD MLOAD PUSH1 0x40 DUP5 ADD MSTORE PUSH1 0x60 DUP3 ADD MLOAD PUSH1 0x60 DUP5 ADD MSTORE JUMPDEST POP JUMPDEST POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0xB PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD DUP2 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0xAF8 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x576D JUMP JUMPDEST POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR DUP2 SSTORE DUP2 MLOAD SWAP1 JUMPDEST DUP1 DUP3 EQ PUSH2 0xB58 JUMPI PUSH2 0xB50 DUP4 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xB41 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x2EFF JUMP JUMPDEST PUSH1 0x1 ADD PUSH2 0xB29 JUMP JUMPDEST POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP JUMP JUMPDEST PUSH2 0xB8D PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0xB98 PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0xBD5 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x576D JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR DUP2 SSTORE DUP8 MLOAD SWAP4 POP SWAP2 POP JUMPDEST DUP2 DUP4 EQ PUSH2 0x76F JUMPI PUSH2 0xC5E DUP8 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xC1F JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP8 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xC37 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP8 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xC4F JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x2F2A JUMP JUMPDEST SWAP1 POP PUSH2 0xC6A DUP5 DUP3 PUSH2 0x257D JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH2 0xC07 JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD DUP2 SWAP1 DUP2 SWAP1 DUP2 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0xCB9 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x576D JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE PUSH2 0xCEC PUSH2 0x25DF JUMP JUMPDEST SWAP4 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND CALLER EQ PUSH2 0xD11 JUMPI CALLER PUSH2 0xD14 JUMP JUMPDEST PUSH1 0x0 JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP7 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x6 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP4 DUP6 AND DUP4 MSTORE SWAP3 SWAP1 MSTORE KECCAK256 SLOAD SWAP1 SWAP4 POP PUSH1 0x1 DUP7 ADD SWAP3 POP SWAP1 POP DUP1 DUP3 GT PUSH2 0xD8B JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x572D JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP6 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x6 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP5 DUP9 AND DUP1 DUP5 MSTORE SWAP5 SWAP1 SWAP2 MSTORE SWAP1 DUP2 SWAP1 KECCAK256 DUP6 SWAP1 SSTORE MLOAD PUSH32 0x82AF639571738F4EBD4268FB0363D8957EBE1BBB9E78DBA5EBD69EED39B154F0 SWAP1 PUSH2 0xDF3 SWAP1 DUP7 SWAP1 PUSH2 0x5513 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP POP POP JUMP JUMPDEST PUSH2 0xE32 PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0xE3D PUSH2 0x4386 JUMP JUMPDEST DUP7 MLOAD SWAP3 POP PUSH1 0x0 SWAP2 POP JUMPDEST DUP2 DUP4 EQ PUSH2 0xEB4 JUMPI PUSH2 0xE9D DUP8 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xE5E JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP8 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xE76 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP8 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xE8E JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0xA3A JUMP JUMPDEST SWAP1 POP PUSH2 0xEA9 DUP5 DUP3 PUSH2 0x257D JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH2 0xE46 JUMP JUMPDEST POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0xB PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND JUMPDEST SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x9 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH2 0xF29 PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0xF66 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x576D JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE PUSH2 0xF9C DUP5 DUP5 DUP5 PUSH2 0x2F2A JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x100A JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x576D JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE PUSH2 0x103D PUSH2 0x25DF JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 DUP2 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x8 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP5 DUP10 AND DUP1 DUP5 MSTORE SWAP5 SWAP1 SWAP2 MSTORE SWAP1 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND DUP8 ISZERO ISZERO OR SWAP1 SSTORE MLOAD SWAP3 SWAP4 POP SWAP1 SWAP2 PUSH32 0xA8656E308026EEABCE8F0BC18048433252318AB80AC79DA0B3D3D8697DFBA891 SWAP1 PUSH2 0x10D1 SWAP1 DUP7 SWAP1 PUSH2 0x5505 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP JUMP JUMPDEST PUSH1 0x8 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x0 SWAP3 DUP4 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 SWAP1 SWAP2 MSTORE SWAP1 DUP3 MSTORE SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH2 0x112E PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x0 DUP1 PUSH1 0x0 PUSH2 0x113D PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x117A JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x576D JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR DUP2 SSTORE DUP10 MLOAD DUP11 SWAP2 SWAP1 DUP2 LT PUSH2 0x11B2 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x160 ADD MLOAD SWAP5 POP DUP9 MLOAD SWAP4 POP PUSH1 0x0 SWAP3 POP JUMPDEST DUP3 DUP5 EQ PUSH2 0x1255 JUMPI DUP5 DUP10 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x11E2 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x160 ADD DUP2 SWAP1 MSTORE POP PUSH2 0x1202 DUP9 DUP8 PUSH1 0x20 ADD MLOAD PUSH2 0x2F7D JUMP JUMPDEST SWAP2 POP PUSH2 0x122E DUP10 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1215 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP4 DUP10 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x749 JUMPI INVALID JUMPDEST SWAP1 POP PUSH2 0x123A DUP7 DUP3 PUSH2 0x257D JUMP JUMPDEST PUSH1 0x20 DUP7 ADD MLOAD DUP9 GT PUSH2 0x124A JUMPI PUSH2 0x1255 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP3 ADD SWAP2 PUSH2 0x11CC JUMP JUMPDEST POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP SWAP2 SWAP6 SWAP5 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x60 PUSH1 0x0 PUSH1 0x60 PUSH1 0x0 DUP5 MLOAD SWAP3 POP DUP3 PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x12D0 JUMPI DUP2 PUSH1 0x20 ADD JUMPDEST PUSH2 0x12BD PUSH2 0x43DE JUMP JUMPDEST DUP2 MSTORE PUSH1 0x20 ADD SWAP1 PUSH1 0x1 SWAP1 SUB SWAP1 DUP2 PUSH2 0x12B5 JUMPI SWAP1 POP JUMPDEST POP SWAP2 POP PUSH1 0x0 SWAP1 POP JUMPDEST DUP1 DUP4 EQ PUSH2 0xA88 JUMPI PUSH2 0x12FF DUP6 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x12F0 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x1F30 JUMP JUMPDEST DUP3 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x130D JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MSTORE PUSH1 0x1 ADD PUSH2 0x12D8 JUMP JUMPDEST PUSH1 0x7 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x0 SWAP3 DUP4 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 SWAP1 SWAP2 MSTORE SWAP1 DUP3 MSTORE SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x3 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP10 MLOAD GT ISZERO ISZERO PUSH2 0x13A4 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x571D JUMP JUMPDEST PUSH2 0x13AD DUP10 PUSH2 0x2FC4 JUMP JUMPDEST PUSH32 0x100000000000000000000000000000000000000000000000000000000000000 SWAP1 DIV SWAP7 POP PUSH1 0x7 PUSH1 0xFF DUP9 AND LT PUSH2 0x140F JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x563D JUMP JUMPDEST DUP7 PUSH1 0xFF AND PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x141E JUMPI INVALID JUMPDEST SWAP6 POP PUSH1 0x0 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x142E JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x1466 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x570D JUMP JUMPDEST PUSH1 0x1 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x1474 JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x14BC JUMPI DUP9 MLOAD ISZERO PUSH2 0x14B3 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x57DD JUMP JUMPDEST PUSH1 0x0 SWAP8 POP PUSH2 0x18D0 JUMP JUMPDEST PUSH1 0x2 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x14CA JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x1605 JUMPI DUP9 MLOAD PUSH1 0x41 EQ PUSH2 0x150B JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x55DD JUMP JUMPDEST DUP9 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x151A JUMPI INVALID JUMPDEST ADD PUSH1 0x20 ADD MLOAD PUSH32 0x100000000000000000000000000000000000000000000000000000000000000 SWAP1 DUP2 SWAP1 DIV DUP2 MUL DIV SWAP5 POP PUSH2 0x155A DUP10 PUSH1 0x1 PUSH4 0xFFFFFFFF PUSH2 0x3088 AND JUMP JUMPDEST SWAP4 POP PUSH2 0x156D DUP10 PUSH1 0x21 PUSH4 0xFFFFFFFF PUSH2 0x3088 AND JUMP JUMPDEST SWAP3 POP PUSH1 0x1 DUP12 DUP7 DUP7 DUP7 PUSH1 0x40 MLOAD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x40 MSTORE PUSH1 0x40 MLOAD PUSH2 0x1592 SWAP5 SWAP4 SWAP3 SWAP2 SWAP1 PUSH2 0x556E JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD PUSH1 0x20 DUP2 SUB SWAP1 DUP1 DUP5 SUB SWAP1 PUSH1 0x0 DUP7 GAS CALL ISZERO DUP1 ISZERO PUSH2 0x15B6 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP PUSH1 0x40 MLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP13 DUP2 AND SWAP1 DUP3 AND EQ SWAP10 POP SWAP3 POP PUSH2 0x18D0 SWAP1 POP JUMP JUMPDEST PUSH1 0x3 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x1613 JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x17B9 JUMPI DUP9 MLOAD PUSH1 0x41 EQ PUSH2 0x1654 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x55DD JUMP JUMPDEST DUP9 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1663 JUMPI INVALID JUMPDEST ADD PUSH1 0x20 ADD MLOAD PUSH32 0x100000000000000000000000000000000000000000000000000000000000000 SWAP1 DUP2 SWAP1 DIV DUP2 MUL DIV SWAP5 POP PUSH2 0x16A3 DUP10 PUSH1 0x1 PUSH4 0xFFFFFFFF PUSH2 0x3088 AND JUMP JUMPDEST SWAP4 POP PUSH2 0x16B6 DUP10 PUSH1 0x21 PUSH4 0xFFFFFFFF PUSH2 0x3088 AND JUMP JUMPDEST SWAP3 POP PUSH1 0x1 DUP12 PUSH1 0x40 MLOAD PUSH1 0x20 ADD DUP1 DUP1 PUSH32 0x19457468657265756D205369676E6564204D6573736167653A0A333200000000 DUP2 MSTORE POP PUSH1 0x1C ADD DUP3 PUSH1 0x0 NOT AND PUSH1 0x0 NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD PUSH1 0x20 DUP2 DUP4 SUB SUB DUP2 MSTORE SWAP1 PUSH1 0x40 MSTORE PUSH1 0x40 MLOAD DUP1 DUP3 DUP1 MLOAD SWAP1 PUSH1 0x20 ADD SWAP1 DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x1757 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x171A JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 DUP1 MLOAD SWAP3 SWAP1 SWAP5 ADD DUP3 SWAP1 SUB DUP3 KECCAK256 PUSH1 0x0 DUP4 MSTORE SWAP2 ADD SWAP3 DUP4 SWAP1 MSTORE PUSH2 0x1592 SWAP5 POP SWAP3 POP DUP10 SWAP2 DUP10 SWAP2 POP DUP9 SWAP1 PUSH2 0x556E JUMP JUMPDEST PUSH1 0x4 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x17C7 JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x17DF JUMPI PUSH2 0x17D8 DUP12 DUP12 DUP12 PUSH2 0x30D3 JUMP JUMPDEST SWAP8 POP PUSH2 0x18D0 JUMP JUMPDEST PUSH1 0x5 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x17ED JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x1850 JUMPI PUSH2 0x17FC DUP10 PUSH2 0x3228 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP13 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x8 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP4 DUP6 AND DUP4 MSTORE SWAP3 SWAP1 MSTORE KECCAK256 SLOAD SWAP1 SWAP2 POP PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x1844 JUMPI PUSH1 0x0 SWAP8 POP PUSH2 0x18D0 JUMP JUMPDEST PUSH2 0x17D8 DUP2 DUP13 DUP13 DUP13 PUSH2 0x32A1 JUMP JUMPDEST PUSH1 0x6 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x185E JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x189E JUMPI PUSH1 0x0 DUP12 DUP2 MSTORE PUSH1 0x7 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP15 AND DUP5 MSTORE SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND SWAP8 POP PUSH2 0x18D0 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x563D JUMP JUMPDEST POP POP POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH2 0x18E6 PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH2 0x18F6 PUSH2 0x4386 JUMP JUMPDEST DUP10 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1905 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x140 ADD MLOAD SWAP6 POP DUP10 MLOAD SWAP5 POP PUSH1 0x0 SWAP4 POP JUMPDEST DUP4 DUP6 EQ PUSH2 0x19E4 JUMPI DUP6 DUP11 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1935 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x140 ADD MSTORE DUP7 MLOAD PUSH2 0x1951 SWAP1 DUP11 SWAP1 PUSH2 0x2F7D JUMP JUMPDEST SWAP3 POP PUSH2 0x1994 DUP11 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1964 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0xA0 ADD MLOAD DUP12 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1980 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0x80 ADD MLOAD DUP6 PUSH2 0x33FD JUMP JUMPDEST SWAP2 POP PUSH2 0x19C0 DUP11 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x19A7 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP4 DUP11 DUP8 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xE8E JUMPI INVALID JUMPDEST SWAP1 POP PUSH2 0x19CC DUP8 DUP3 PUSH2 0x257D JUMP JUMPDEST DUP7 MLOAD DUP10 GT PUSH2 0x19D9 JUMPI PUSH2 0x19E4 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP4 ADD SWAP3 PUSH2 0x191F JUMP JUMPDEST POP POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH2 0x19F9 PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x1A36 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x576D JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE PUSH2 0xF9C DUP5 DUP5 DUP5 PUSH2 0x24DF JUMP JUMPDEST PUSH1 0xA SLOAD PUSH1 0x0 SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND ISZERO PUSH2 0x1ABF JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x576D JUMP JUMPDEST PUSH2 0x1B02 PUSH2 0x1AFD DUP9 DUP9 DUP9 DUP9 DUP1 DUP1 PUSH1 0x1F ADD PUSH1 0x20 DUP1 SWAP2 DIV MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP4 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP4 DUP4 DUP1 DUP3 DUP5 CALLDATACOPY POP PUSH2 0x3453 SWAP5 POP POP POP POP POP JUMP JUMPDEST PUSH2 0x3694 JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x9 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD SWAP1 SWAP2 POP PUSH1 0xFF AND ISZERO PUSH2 0x1B4E JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x568D JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 AND CALLER EQ PUSH2 0x1C1F JUMPI PUSH2 0x1BA6 DUP2 DUP8 DUP6 DUP6 DUP1 DUP1 PUSH1 0x1F ADD PUSH1 0x20 DUP1 SWAP2 DIV MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP4 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP4 DUP4 DUP1 DUP3 DUP5 CALLDATACOPY POP PUSH2 0x135B SWAP5 POP POP POP POP POP JUMP JUMPDEST ISZERO ISZERO PUSH2 0x1BDE JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x57CD JUMP JUMPDEST PUSH1 0xA DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP9 AND OR SWAP1 SSTORE JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x9 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE MLOAD ADDRESS SWAP1 DUP7 SWAP1 DUP7 SWAP1 DUP1 DUP4 DUP4 DUP1 DUP3 DUP5 CALLDATACOPY DUP3 ADD SWAP2 POP POP SWAP3 POP POP POP PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 DUP6 GAS DELEGATECALL SWAP2 POP POP ISZERO ISZERO PUSH2 0x1CB6 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56BD JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 AND CALLER EQ PUSH2 0x1CFC JUMPI PUSH1 0xA DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND SWAP1 SSTORE JUMPDEST POP POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x3 SLOAD PUSH1 0x0 SWAP1 DUP2 SWAP1 DUP2 SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x1D5D JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x577D JUMP JUMPDEST DUP4 SWAP3 POP DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH4 0xAE25532E PUSH1 0x40 MLOAD DUP2 PUSH4 0xFFFFFFFF AND PUSH29 0x100000000000000000000000000000000000000000000000000000000 MUL DUP2 MSTORE PUSH1 0x4 ADD PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x1DC4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x1DD8 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x1DFC SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x4A0C JUMP JUMPDEST PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0xB PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD SWAP1 SWAP3 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 POP DUP1 ISZERO PUSH2 0x1E81 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x561D JUMP JUMPDEST PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0xB PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 AND OR SWAP1 SSTORE MLOAD PUSH32 0xD2C6B762299C609BDB96520B58A49BFB80186934D4F71A86A367571A15C03194 SWAP1 PUSH2 0x1F22 SWAP1 DUP5 SWAP1 DUP8 SWAP1 PUSH2 0x55A3 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG1 POP POP POP POP JUMP JUMPDEST PUSH2 0x1F38 PUSH2 0x43DE JUMP JUMPDEST PUSH2 0x1F41 DUP3 PUSH2 0x36D1 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP4 ADD DUP3 SWAP1 MSTORE PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x4 SWAP1 MSTORE PUSH1 0x40 SWAP1 DUP2 SWAP1 KECCAK256 SLOAD SWAP1 DUP3 ADD MSTORE PUSH1 0x80 DUP3 ADD MLOAD ISZERO ISZERO PUSH2 0x1F75 JUMPI PUSH1 0x1 JUMPDEST PUSH1 0xFF AND DUP2 MSTORE PUSH2 0xF07 JUMP JUMPDEST PUSH1 0xA0 DUP3 ADD MLOAD ISZERO ISZERO PUSH2 0x1F87 JUMPI PUSH1 0x2 PUSH2 0x1F6B JUMP JUMPDEST PUSH1 0xA0 DUP3 ADD MLOAD PUSH1 0x40 DUP3 ADD MLOAD LT PUSH2 0x1F9D JUMPI PUSH1 0x5 PUSH2 0x1F6B JUMP JUMPDEST PUSH2 0x100 DUP3 ADD MLOAD TIMESTAMP LT PUSH2 0x1FB0 JUMPI PUSH1 0x4 PUSH2 0x1F6B JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 ADD MLOAD PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x5 SWAP1 SWAP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x1FD4 JUMPI PUSH1 0x6 PUSH2 0x1F6B JUMP JUMPDEST PUSH2 0x120 DUP3 ADD MLOAD DUP3 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x6 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH1 0x60 DUP9 ADD MLOAD SWAP1 SWAP5 AND DUP4 MSTORE SWAP3 SWAP1 MSTORE KECCAK256 SLOAD GT ISZERO PUSH2 0x2021 JUMPI PUSH1 0x6 PUSH2 0x1F6B JUMP JUMPDEST PUSH1 0x3 DUP2 MSTORE SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x2067 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x576D JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE PUSH2 0x209B DUP2 PUSH2 0x2EFF JUMP JUMPDEST POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE JUMP JUMPDEST PUSH1 0x6 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x0 SWAP3 DUP4 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 SWAP1 SWAP2 MSTORE SWAP1 DUP3 MSTORE SWAP1 KECCAK256 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x1 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 DUP5 DUP7 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x2186 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x215B JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x2186 JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x2169 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP DUP2 JUMP JUMPDEST PUSH2 0x2196 PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x0 DUP1 PUSH1 0x0 PUSH2 0x21A5 PUSH2 0x4386 JUMP JUMPDEST DUP9 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x21B4 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x160 ADD MLOAD SWAP5 POP DUP9 MLOAD SWAP4 POP PUSH1 0x0 SWAP3 POP JUMPDEST DUP3 DUP5 EQ PUSH2 0x2257 JUMPI DUP5 DUP10 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x21E4 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x160 ADD DUP2 SWAP1 MSTORE POP PUSH2 0x2204 DUP9 DUP8 PUSH1 0x20 ADD MLOAD PUSH2 0x2F7D JUMP JUMPDEST SWAP2 POP PUSH2 0x2230 DUP10 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x2217 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP4 DUP10 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xE8E JUMPI INVALID JUMPDEST SWAP1 POP PUSH2 0x223C DUP7 DUP3 PUSH2 0x257D JUMP JUMPDEST PUSH1 0x20 DUP7 ADD MLOAD DUP9 GT PUSH2 0x224C JUMPI PUSH2 0x2257 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP3 ADD SWAP2 PUSH2 0x21CE JUMP JUMPDEST POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x2 SLOAD DUP2 JUMP JUMPDEST PUSH2 0x2271 PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH2 0x2281 PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x22BE JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x576D JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR DUP2 SSTORE DUP11 MLOAD DUP12 SWAP2 SWAP1 DUP2 LT PUSH2 0x22F6 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x140 ADD MLOAD SWAP6 POP DUP10 MLOAD SWAP5 POP PUSH1 0x0 SWAP4 POP JUMPDEST DUP4 DUP6 EQ PUSH2 0x23A5 JUMPI DUP6 DUP11 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x2326 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x140 ADD MSTORE DUP7 MLOAD PUSH2 0x2342 SWAP1 DUP11 SWAP1 PUSH2 0x2F7D JUMP JUMPDEST SWAP3 POP PUSH2 0x2355 DUP11 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1964 JUMPI INVALID JUMPDEST SWAP2 POP PUSH2 0x2381 DUP11 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x2368 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP4 DUP11 DUP8 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x749 JUMPI INVALID JUMPDEST SWAP1 POP PUSH2 0x238D DUP8 DUP3 PUSH2 0x257D JUMP JUMPDEST DUP7 MLOAD DUP10 GT PUSH2 0x239A JUMPI PUSH2 0x23A5 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP4 ADD SWAP3 PUSH2 0x2310 JUMP JUMPDEST POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP SWAP3 SWAP7 SWAP6 POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0xA SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x3 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x2448 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x577D JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0x24A5 JUMPI PUSH1 0x3 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND OR SWAP1 SSTORE JUMPDEST POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD DUP1 DUP3 ADD SWAP1 SWAP2 MSTORE PUSH1 0xB DUP2 MSTORE PUSH32 0x322E302E312D616C706861000000000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE DUP2 JUMP JUMPDEST PUSH2 0x24E7 PUSH2 0x4386 JUMP JUMPDEST PUSH2 0x24EF PUSH2 0x43DE JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH2 0x24FD DUP9 PUSH2 0x1F30 JUMP JUMPDEST SWAP4 POP PUSH2 0x2507 PUSH2 0x25DF JUMP JUMPDEST SWAP3 POP PUSH2 0x2515 DUP9 DUP6 DUP6 DUP10 PUSH2 0x2611 JUMP JUMPDEST PUSH2 0x2527 DUP9 PUSH1 0xA0 ADD MLOAD DUP6 PUSH1 0x40 ADD MLOAD PUSH2 0x2F7D JUMP JUMPDEST SWAP2 POP PUSH2 0x2533 DUP8 DUP4 PUSH2 0x36DF JUMP JUMPDEST SWAP1 POP PUSH2 0x2546 DUP9 DUP6 DUP10 DUP5 DUP10 PUSH1 0x0 ADD MLOAD PUSH2 0x2990 JUMP JUMPDEST PUSH2 0x2550 DUP9 DUP3 PUSH2 0x36F5 JUMP JUMPDEST SWAP5 POP PUSH2 0x2567 DUP9 DUP5 DUP7 PUSH1 0x20 ADD MLOAD DUP8 PUSH1 0x40 ADD MLOAD DUP10 PUSH2 0x2AA9 JUMP JUMPDEST PUSH2 0x2572 DUP9 DUP5 DUP8 PUSH2 0x3756 JUMP JUMPDEST POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST DUP2 MLOAD DUP2 MLOAD PUSH2 0x258B SWAP2 SWAP1 PUSH2 0x3864 JUMP JUMPDEST DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 ADD MLOAD SWAP1 DUP3 ADD MLOAD PUSH2 0x25A1 SWAP2 SWAP1 PUSH2 0x3864 JUMP JUMPDEST PUSH1 0x20 DUP4 ADD MSTORE PUSH1 0x40 DUP1 DUP4 ADD MLOAD SWAP1 DUP3 ADD MLOAD PUSH2 0x25BA SWAP2 SWAP1 PUSH2 0x3864 JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MSTORE PUSH1 0x60 DUP1 DUP4 ADD MLOAD SWAP1 DUP3 ADD MLOAD PUSH2 0x25D3 SWAP2 SWAP1 PUSH2 0x3864 JUMP JUMPDEST PUSH1 0x60 SWAP1 SWAP3 ADD SWAP2 SWAP1 SWAP2 MSTORE POP JUMP JUMPDEST PUSH1 0xA SLOAD PUSH1 0x0 SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 DUP2 ISZERO PUSH2 0x2608 JUMPI DUP2 PUSH2 0x260A JUMP JUMPDEST CALLER JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST DUP3 MLOAD PUSH1 0xFF AND PUSH1 0x3 EQ PUSH2 0x264F JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x579D JUMP JUMPDEST PUSH1 0x60 DUP5 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND ISZERO PUSH2 0x26C2 JUMPI PUSH1 0x60 DUP5 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x26C2 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x57AD JUMP JUMPDEST PUSH1 0x20 DUP5 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND ISZERO PUSH2 0x274D JUMPI DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP5 PUSH1 0x20 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO ISZERO PUSH2 0x274D JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x55ED JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MLOAD ISZERO ISZERO PUSH2 0x27A3 JUMPI PUSH2 0x276B DUP4 PUSH1 0x20 ADD MLOAD DUP6 PUSH1 0x0 ADD MLOAD DUP4 PUSH2 0x135B JUMP JUMPDEST ISZERO ISZERO PUSH2 0x27A3 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x565D JUMP JUMPDEST POP POP POP POP JUMP JUMPDEST PUSH2 0x27BB DUP3 PUSH1 0xA0 ADD MLOAD DUP3 PUSH1 0xA0 ADD MLOAD PUSH2 0x38AE JUMP JUMPDEST PUSH2 0x27CD DUP4 PUSH1 0x80 ADD MLOAD DUP4 PUSH1 0x80 ADD MLOAD PUSH2 0x38AE JUMP JUMPDEST LT ISZERO PUSH2 0x2805 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x57BD JUMP JUMPDEST POP POP JUMP JUMPDEST PUSH2 0x2811 PUSH2 0x43AF JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH2 0x2825 DUP10 PUSH1 0xA0 ADD MLOAD DUP9 PUSH2 0x2F7D JUMP JUMPDEST SWAP4 POP PUSH2 0x283A DUP10 PUSH1 0x80 ADD MLOAD DUP11 PUSH1 0xA0 ADD MLOAD DUP7 PUSH2 0x3909 JUMP JUMPDEST SWAP3 POP PUSH2 0x284A DUP9 PUSH1 0xA0 ADD MLOAD DUP8 PUSH2 0x2F7D JUMP JUMPDEST SWAP2 POP PUSH2 0x285F DUP9 PUSH1 0x80 ADD MLOAD DUP10 PUSH1 0xA0 ADD MLOAD DUP5 PUSH2 0x3909 JUMP JUMPDEST SWAP1 POP DUP1 DUP5 LT PUSH2 0x28A2 JUMPI PUSH1 0x20 DUP1 DUP7 ADD DUP1 MLOAD DUP4 SWAP1 MSTORE DUP1 MLOAD DUP3 ADD DUP5 SWAP1 MSTORE MLOAD MLOAD DUP7 MLOAD DUP3 ADD MSTORE PUSH1 0x80 DUP11 ADD MLOAD PUSH1 0xA0 DUP12 ADD MLOAD DUP8 MLOAD SWAP1 SWAP3 ADD MLOAD PUSH2 0x289A SWAP3 SWAP1 PUSH2 0x3909 JUMP JUMPDEST DUP6 MLOAD MSTORE PUSH2 0x28DF JUMP JUMPDEST DUP5 MLOAD DUP4 SWAP1 MSTORE DUP5 MLOAD PUSH1 0x20 SWAP1 DUP2 ADD DUP6 SWAP1 MSTORE DUP6 MLOAD DUP2 ADD MLOAD SWAP1 DUP7 ADD DUP1 MLOAD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0xA0 DUP10 ADD MLOAD PUSH1 0x80 DUP11 ADD MLOAD SWAP2 MLOAD MLOAD PUSH2 0x28D6 SWAP3 SWAP1 PUSH2 0x3986 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP8 ADD MLOAD ADD MSTORE JUMPDEST DUP5 MLOAD MLOAD PUSH1 0x20 DUP1 DUP8 ADD MLOAD ADD MLOAD PUSH2 0x28F4 SWAP2 SWAP1 PUSH2 0x2F7D JUMP JUMPDEST PUSH1 0x40 DUP7 ADD MSTORE DUP5 MLOAD MLOAD PUSH1 0x80 DUP11 ADD MLOAD PUSH1 0xC0 DUP12 ADD MLOAD PUSH2 0x2911 SWAP3 SWAP2 SWAP1 PUSH2 0x3909 JUMP JUMPDEST DUP6 MLOAD PUSH1 0x40 ADD MSTORE DUP5 MLOAD PUSH1 0x20 ADD MLOAD PUSH1 0xA0 DUP11 ADD MLOAD PUSH1 0xE0 DUP12 ADD MLOAD PUSH2 0x2932 SWAP3 SWAP2 SWAP1 PUSH2 0x3909 JUMP JUMPDEST DUP6 MLOAD PUSH1 0x60 ADD MSTORE PUSH1 0x20 DUP6 ADD MLOAD MLOAD PUSH1 0x80 DUP10 ADD MLOAD PUSH1 0xC0 DUP11 ADD MLOAD PUSH2 0x2953 SWAP3 SWAP2 SWAP1 PUSH2 0x3909 JUMP JUMPDEST DUP6 PUSH1 0x20 ADD MLOAD PUSH1 0x40 ADD DUP2 DUP2 MSTORE POP POP PUSH2 0x297B DUP6 PUSH1 0x20 ADD MLOAD PUSH1 0x20 ADD MLOAD DUP10 PUSH1 0xA0 ADD MLOAD DUP11 PUSH1 0xE0 ADD MLOAD PUSH2 0x3909 JUMP JUMPDEST PUSH1 0x20 DUP7 ADD MLOAD PUSH1 0x60 ADD MSTORE POP POP POP POP SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST DUP3 ISZERO ISZERO PUSH2 0x29C9 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56DD JUMP JUMPDEST DUP3 DUP3 GT ISZERO PUSH2 0x2A03 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56CD JUMP JUMPDEST DUP5 PUSH1 0xA0 ADD MLOAD PUSH2 0x2A16 DUP6 PUSH1 0x40 ADD MLOAD DUP5 PUSH2 0x3864 JUMP JUMPDEST GT ISZERO PUSH2 0x2A4E JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x55FD JUMP JUMPDEST PUSH2 0x2A5C DUP6 PUSH1 0x80 ADD MLOAD DUP4 PUSH2 0x38AE JUMP JUMPDEST PUSH2 0x2A6A DUP3 DUP8 PUSH1 0xA0 ADD MLOAD PUSH2 0x38AE JUMP JUMPDEST GT ISZERO PUSH2 0x2AA2 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x575D JUMP JUMPDEST POP POP POP POP POP JUMP JUMPDEST PUSH2 0x2AB7 DUP3 DUP3 PUSH1 0x20 ADD MLOAD PUSH2 0x3864 JUMP JUMPDEST PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP2 DUP3 SWAP1 KECCAK256 SWAP3 SWAP1 SWAP3 SSTORE DUP7 DUP2 ADD MLOAD DUP8 MLOAD DUP5 MLOAD SWAP4 DUP6 ADD MLOAD DUP6 DUP5 ADD MLOAD PUSH1 0x60 DUP8 ADD MLOAD PUSH2 0x140 DUP13 ADD MLOAD PUSH2 0x160 DUP14 ADD MLOAD SWAP7 MLOAD DUP12 SWAP9 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP8 DUP9 AND SWAP9 SWAP8 SWAP1 SWAP7 AND SWAP7 PUSH32 0xBCC4C97732E47D9946F229EDB95F5B6323F601300E4690DE719993F3C371129 SWAP7 PUSH2 0x2B46 SWAP7 DUP16 SWAP7 CALLER SWAP7 SWAP3 SWAP6 SWAP2 SWAP5 SWAP1 SWAP4 SWAP1 PUSH2 0x5433 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG4 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x1 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x1F PUSH1 0x2 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH2 0x100 DUP8 DUP10 AND ISZERO MUL ADD SWAP1 SWAP6 AND SWAP5 SWAP1 SWAP5 DIV SWAP4 DUP5 ADD DUP2 SWAP1 DIV DUP2 MUL DUP3 ADD DUP2 ADD SWAP1 SWAP3 MSTORE DUP3 DUP2 MSTORE PUSH1 0x60 SWAP4 SWAP1 SWAP3 SWAP1 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x2BFE JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x2BD3 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x2BFE JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x2BE1 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP SWAP1 POP PUSH2 0x2C26 DUP6 PUSH2 0x140 ADD MLOAD DUP7 PUSH1 0x0 ADD MLOAD DUP7 PUSH1 0x0 ADD MLOAD DUP6 PUSH1 0x20 ADD MLOAD PUSH1 0x20 ADD MLOAD PUSH2 0x3A23 JUMP JUMPDEST PUSH2 0x140 DUP5 ADD MLOAD DUP5 MLOAD DUP7 MLOAD DUP5 MLOAD PUSH1 0x20 ADD MLOAD PUSH2 0x2C42 SWAP4 SWAP3 SWAP2 SWAP1 PUSH2 0x3A23 JUMP JUMPDEST PUSH2 0x2C5B DUP6 PUSH2 0x140 ADD MLOAD DUP7 PUSH1 0x0 ADD MLOAD DUP6 DUP6 PUSH1 0x40 ADD MLOAD PUSH2 0x3A23 JUMP JUMPDEST PUSH2 0x2C77 DUP2 DUP7 PUSH1 0x0 ADD MLOAD DUP8 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x0 ADD MLOAD PUSH1 0x40 ADD MLOAD PUSH2 0x3A23 JUMP JUMPDEST PUSH2 0x2C93 DUP2 DUP6 PUSH1 0x0 ADD MLOAD DUP7 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x20 ADD MLOAD PUSH1 0x40 ADD MLOAD PUSH2 0x3A23 JUMP JUMPDEST DUP4 PUSH1 0x40 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP6 PUSH1 0x40 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO PUSH2 0x2CFD JUMPI PUSH2 0x2CF8 DUP2 DUP5 DUP8 PUSH1 0x40 ADD MLOAD PUSH2 0x2CF3 DUP7 PUSH1 0x0 ADD MLOAD PUSH1 0x60 ADD MLOAD DUP8 PUSH1 0x20 ADD MLOAD PUSH1 0x60 ADD MLOAD PUSH2 0x3864 JUMP JUMPDEST PUSH2 0x3A23 JUMP JUMPDEST PUSH2 0x2AA2 JUMP JUMPDEST PUSH2 0x2D15 DUP2 DUP5 DUP8 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x0 ADD MLOAD PUSH1 0x60 ADD MLOAD PUSH2 0x3A23 JUMP JUMPDEST PUSH2 0x2AA2 DUP2 DUP5 DUP7 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x20 ADD MLOAD PUSH1 0x60 ADD MLOAD PUSH2 0x3A23 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0xB4BE83D500000000000000000000000000000000000000000000000000000000 PUSH1 0x20 DUP1 DUP4 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0x60 PUSH1 0x24 DUP4 ADD DUP2 DUP2 MSTORE DUP8 MLOAD PUSH1 0x84 DUP6 ADD SWAP1 DUP2 MSTORE DUP9 DUP5 ADD MLOAD PUSH1 0xA4 DUP7 ADD MSTORE SWAP5 DUP9 ADD MLOAD PUSH1 0xC4 DUP6 ADD MSTORE SWAP1 DUP8 ADD MLOAD PUSH1 0xE4 DUP5 ADD MSTORE PUSH1 0x80 DUP8 ADD MLOAD PUSH2 0x104 DUP5 ADD MSTORE PUSH1 0xA0 DUP8 ADD MLOAD PUSH2 0x124 DUP5 ADD MSTORE PUSH1 0xC0 DUP8 ADD MLOAD PUSH2 0x144 DUP5 ADD MSTORE PUSH1 0xE0 DUP8 ADD MLOAD PUSH2 0x164 DUP5 ADD MSTORE PUSH2 0x100 DUP8 ADD MLOAD PUSH2 0x184 DUP5 ADD MSTORE PUSH2 0x120 DUP8 ADD MLOAD PUSH2 0x1A4 DUP5 ADD MSTORE PUSH2 0x140 DUP8 ADD DUP1 MLOAD PUSH2 0x1C4 DUP6 ADD SWAP1 DUP2 MSTORE PUSH2 0x160 DUP10 ADD MLOAD PUSH2 0x1E4 DUP7 ADD MSTORE PUSH2 0x180 SWAP1 MSTORE MLOAD DUP1 MLOAD PUSH2 0x204 DUP6 ADD DUP2 SWAP1 MSTORE SWAP4 SWAP5 SWAP2 SWAP4 DUP5 SWAP4 PUSH1 0x44 DUP8 ADD SWAP3 DUP5 SWAP3 PUSH2 0x224 DUP10 ADD SWAP3 SWAP2 DUP3 ADD SWAP2 PUSH1 0x1F DUP3 ADD DIV PUSH1 0x0 JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x2E34 JUMPI DUP4 MLOAD DUP6 MSTORE PUSH1 0x20 SWAP5 DUP6 ADD SWAP5 SWAP1 SWAP4 ADD SWAP3 PUSH1 0x1 ADD PUSH2 0x2E16 JUMP JUMPDEST POP POP POP POP DUP2 DUP2 SUB PUSH2 0x160 DUP1 DUP5 ADD SWAP2 SWAP1 SWAP2 MSTORE DUP11 ADD MLOAD DUP1 MLOAD DUP1 DUP4 MSTORE PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 DUP3 ADD SWAP2 PUSH1 0x1F DUP3 ADD DIV PUSH1 0x0 JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x2E7D JUMPI DUP4 MLOAD DUP6 MSTORE PUSH1 0x20 SWAP5 DUP6 ADD SWAP5 SWAP1 SWAP4 ADD SWAP3 PUSH1 0x1 ADD PUSH2 0x2E5F JUMP JUMPDEST POP POP POP DUP10 DUP5 MSTORE POP DUP5 DUP2 SUB PUSH1 0x20 SWAP4 DUP5 ADD SWAP1 DUP2 MSTORE DUP9 MLOAD DUP1 DUP4 MSTORE SWAP1 SWAP4 SWAP2 DUP3 ADD SWAP2 DUP10 DUP2 ADD SWAP2 SWAP1 PUSH1 0x1F DUP3 ADD DIV PUSH1 0x0 JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x2EC5 JUMPI DUP4 MLOAD DUP6 MSTORE PUSH1 0x20 SWAP5 DUP6 ADD SWAP5 SWAP1 SWAP4 ADD SWAP3 PUSH1 0x1 ADD PUSH2 0x2EA7 JUMP JUMPDEST POP POP POP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 DUP9 DUP4 SUB ADD DUP9 MSTORE POP PUSH1 0x40 MSTORE POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH2 0x2F07 PUSH2 0x43DE JUMP JUMPDEST PUSH2 0x2F10 DUP3 PUSH2 0x1F30 JUMP JUMPDEST SWAP1 POP PUSH2 0x2F1C DUP3 DUP3 PUSH2 0x3BED JUMP JUMPDEST PUSH2 0x2805 DUP3 DUP3 PUSH1 0x20 ADD MLOAD PUSH2 0x3D04 JUMP JUMPDEST PUSH2 0x2F32 PUSH2 0x4386 JUMP JUMPDEST PUSH2 0x2F3D DUP5 DUP5 DUP5 PUSH2 0x24DF JUMP JUMPDEST PUSH1 0x20 DUP2 ADD MLOAD SWAP1 SWAP2 POP DUP4 EQ PUSH2 0x260A JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x574D JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 GT ISZERO PUSH2 0x2FB9 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x560D JUMP JUMPDEST POP DUP1 DUP3 SUB JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP3 MLOAD GT ISZERO ISZERO PUSH2 0x3002 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56FD JUMP JUMPDEST DUP2 MLOAD DUP3 SWAP1 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 ADD SWAP1 DUP2 LT PUSH2 0x3032 JUMPI INVALID JUMPDEST ADD PUSH1 0x20 ADD MLOAD DUP3 MLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP3 MSTORE POP PUSH32 0x100000000000000000000000000000000000000000000000000000000000000 SWAP1 DUP2 SWAP1 DIV MUL SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x20 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x30CA JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x562D JUMP JUMPDEST POP ADD PUSH1 0x20 ADD MLOAD SWAP1 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH1 0x0 SWAP1 PUSH1 0x60 SWAP1 PUSH32 0x1626BA7E00000000000000000000000000000000000000000000000000000000 SWAP1 PUSH2 0x310E SWAP1 DUP8 SWAP1 DUP7 SWAP1 PUSH1 0x24 ADD PUSH2 0x554E JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 DUP2 DUP5 SUB ADD DUP2 MSTORE SWAP2 SWAP1 MSTORE PUSH1 0x20 DUP1 DUP3 ADD DUP1 MLOAD PUSH28 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 OR DUP4 MSTORE DUP2 MLOAD SWAP2 SWAP4 POP SWAP1 DUP3 SWAP1 DUP2 DUP9 GAS STATICCALL DUP1 DUP1 ISZERO PUSH2 0x31AB JUMPI PUSH1 0x1 DUP2 EQ PUSH2 0x321C JUMPI PUSH2 0x2572 JUMP JUMPDEST PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 PUSH1 0x0 MSTORE PUSH29 0x2000000000000000000000000000000000000000000000000000000000 PUSH1 0x20 MSTORE PUSH29 0xC57414C4C45545F4552524F5200000000000000000000000000000000 PUSH1 0x40 MSTORE PUSH1 0x0 PUSH1 0x60 MSTORE PUSH1 0x64 PUSH1 0x0 REVERT JUMPDEST POP POP MLOAD SWAP6 SWAP5 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x14 DUP3 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x3268 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x578D JUMP JUMPDEST PUSH2 0x3276 DUP3 PUSH1 0x14 DUP5 MLOAD SUB PUSH2 0x3DAB JUMP JUMPDEST DUP3 MLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEC ADD SWAP1 SWAP3 MSTORE POP SWAP1 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH1 0x0 SWAP1 PUSH1 0x60 SWAP1 PUSH32 0x9363470200000000000000000000000000000000000000000000000000000000 SWAP1 PUSH2 0x32DE SWAP1 DUP8 SWAP1 DUP8 SWAP1 DUP8 SWAP1 PUSH1 0x24 ADD PUSH2 0x5521 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 DUP2 DUP5 SUB ADD DUP2 MSTORE SWAP2 SWAP1 MSTORE PUSH1 0x20 DUP1 DUP3 ADD DUP1 MLOAD PUSH28 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 OR DUP4 MSTORE DUP2 MLOAD SWAP2 SWAP4 POP SWAP1 DUP3 SWAP1 DUP2 DUP11 GAS STATICCALL DUP1 DUP1 ISZERO PUSH2 0x337B JUMPI PUSH1 0x1 DUP2 EQ PUSH2 0x33EC JUMPI PUSH2 0x33F1 JUMP JUMPDEST PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 PUSH1 0x0 MSTORE PUSH29 0x2000000000000000000000000000000000000000000000000000000000 PUSH1 0x20 MSTORE PUSH29 0xF56414C494441544F525F4552524F5200000000000000000000000000 PUSH1 0x40 MSTORE PUSH1 0x0 PUSH1 0x60 MSTORE PUSH1 0x64 PUSH1 0x0 REVERT JUMPDEST DUP3 MLOAD SWAP5 POP JUMPDEST POP POP POP POP SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP4 GT PUSH2 0x3438 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x564D JUMP JUMPDEST PUSH2 0x344B PUSH2 0x3445 DUP6 DUP5 PUSH2 0x38AE JUMP JUMPDEST DUP5 PUSH2 0x3E0C JUMP JUMPDEST SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x5A65726F45785472616E73616374696F6E280000000000000000000000000000 PUSH1 0x20 DUP1 DUP4 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH32 0x75696E743235362073616C742C00000000000000000000000000000000000000 PUSH1 0x32 DUP4 ADD MSTORE PUSH32 0x61646472657373207369676E6572416464726573732C00000000000000000000 PUSH1 0x3F DUP4 ADD MSTORE PUSH32 0x6279746573206461746100000000000000000000000000000000000000000000 PUSH1 0x55 DUP4 ADD MSTORE PUSH32 0x2900000000000000000000000000000000000000000000000000000000000000 PUSH1 0x5F DUP4 ADD MSTORE DUP3 MLOAD DUP1 DUP4 SUB DUP5 ADD DUP2 MSTORE PUSH1 0x60 SWAP1 SWAP3 ADD SWAP3 DUP4 SWAP1 MSTORE DUP2 MLOAD PUSH1 0x0 SWAP4 DUP5 SWAP4 DUP5 SWAP4 SWAP1 SWAP3 DUP3 SWAP2 DUP5 ADD SWAP1 DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x357C JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x353F JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 MLOAD SWAP2 SWAP1 SWAP4 ADD DUP2 SWAP1 SUB DUP2 KECCAK256 DUP10 MLOAD SWAP1 SWAP8 POP DUP10 SWAP6 POP SWAP1 SWAP4 POP DUP4 SWAP3 DUP6 ADD SWAP2 POP DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x3612 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x35D5 JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 DUP1 MLOAD SWAP3 SWAP1 SWAP5 ADD DUP3 SWAP1 SUB DUP3 KECCAK256 SWAP8 DUP3 MSTORE DUP2 ADD SWAP11 SWAP1 SWAP11 MSTORE POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP8 SWAP1 SWAP8 AND SWAP7 DUP9 ADD SWAP7 SWAP1 SWAP7 MSTORE POP POP PUSH1 0x60 DUP6 ADD MSTORE POP POP PUSH1 0x80 SWAP1 SWAP2 KECCAK256 SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x2 DUP1 SLOAD PUSH1 0x40 MLOAD PUSH32 0x1901000000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE SWAP2 DUP3 ADD MSTORE PUSH1 0x22 DUP2 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0x42 SWAP1 KECCAK256 SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x2FBE PUSH2 0x1AFD DUP4 PUSH2 0x3E23 JUMP JUMPDEST PUSH1 0x0 DUP2 DUP4 LT PUSH2 0x36EE JUMPI DUP2 PUSH2 0x260A JUMP JUMPDEST POP SWAP1 SWAP2 SWAP1 POP JUMP JUMPDEST PUSH2 0x36FD PUSH2 0x4386 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD DUP3 SWAP1 MSTORE PUSH1 0xA0 DUP4 ADD MLOAD PUSH1 0x80 DUP5 ADD MLOAD PUSH2 0x3719 SWAP2 DUP5 SWAP2 PUSH2 0x3909 JUMP JUMPDEST DUP1 DUP3 MSTORE PUSH1 0x80 DUP5 ADD MLOAD PUSH1 0xC0 DUP6 ADD MLOAD PUSH2 0x3731 SWAP3 SWAP2 SWAP1 PUSH2 0x3909 JUMP JUMPDEST PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0xA0 DUP4 ADD MLOAD PUSH1 0xE0 DUP5 ADD MLOAD PUSH2 0x374B SWAP2 DUP5 SWAP2 PUSH2 0x3909 JUMP JUMPDEST PUSH1 0x60 DUP3 ADD MSTORE SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x1 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x1F PUSH1 0x2 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH2 0x100 DUP8 DUP10 AND ISZERO MUL ADD SWAP1 SWAP6 AND SWAP5 SWAP1 SWAP5 DIV SWAP4 DUP5 ADD DUP2 SWAP1 DIV DUP2 MUL DUP3 ADD DUP2 ADD SWAP1 SWAP3 MSTORE DUP3 DUP2 MSTORE PUSH1 0x60 SWAP4 SWAP1 SWAP3 SWAP1 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x37FF JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x37D4 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x37FF JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x37E2 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP SWAP1 POP PUSH2 0x381F DUP5 PUSH2 0x140 ADD MLOAD DUP6 PUSH1 0x0 ADD MLOAD DUP6 DUP6 PUSH1 0x0 ADD MLOAD PUSH2 0x3A23 JUMP JUMPDEST PUSH2 0x3838 DUP5 PUSH2 0x160 ADD MLOAD DUP5 DUP7 PUSH1 0x0 ADD MLOAD DUP6 PUSH1 0x20 ADD MLOAD PUSH2 0x3A23 JUMP JUMPDEST PUSH2 0x3850 DUP2 DUP6 PUSH1 0x0 ADD MLOAD DUP7 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x40 ADD MLOAD PUSH2 0x3A23 JUMP JUMPDEST PUSH2 0x27A3 DUP2 DUP5 DUP7 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x60 ADD MLOAD PUSH2 0x3A23 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 ADD DUP4 DUP2 LT ISZERO PUSH2 0x38A3 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567D JUMP JUMPDEST DUP1 SWAP2 POP JUMPDEST POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP4 ISZERO ISZERO PUSH2 0x38C1 JUMPI PUSH1 0x0 SWAP2 POP PUSH2 0x38A7 JUMP JUMPDEST POP DUP3 DUP3 MUL DUP3 DUP5 DUP3 DUP2 ISZERO ISZERO PUSH2 0x38D1 JUMPI INVALID JUMPDEST DIV EQ PUSH2 0x38A3 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567D JUMP JUMPDEST PUSH1 0x0 DUP1 DUP4 GT PUSH2 0x3944 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x564D JUMP JUMPDEST PUSH2 0x394F DUP5 DUP5 DUP5 PUSH2 0x427C JUMP JUMPDEST ISZERO PUSH2 0x3438 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56AD JUMP JUMPDEST PUSH1 0x0 DUP1 DUP4 GT PUSH2 0x39C1 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x564D JUMP JUMPDEST PUSH2 0x39CC DUP5 DUP5 DUP5 PUSH2 0x4301 JUMP JUMPDEST ISZERO PUSH2 0x3A03 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56AD JUMP JUMPDEST PUSH2 0x344B PUSH2 0x3445 PUSH2 0x3A13 DUP7 DUP6 PUSH2 0x38AE JUMP JUMPDEST PUSH2 0x3A1E DUP7 PUSH1 0x1 PUSH2 0x2F7D JUMP JUMPDEST PUSH2 0x3864 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP4 GT DUP1 ISZERO PUSH2 0x3A62 JUMPI POP DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO JUMPDEST ISZERO PUSH2 0x3BE5 JUMPI DUP6 MLOAD PUSH1 0x3 LT PUSH2 0x3AA2 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x573D JUMP JUMPDEST POP POP PUSH1 0x20 DUP5 DUP2 ADD MLOAD PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0xB SWAP1 SWAP3 MSTORE PUSH1 0x40 SWAP1 SWAP2 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP1 ISZERO ISZERO PUSH2 0x3B2B JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56ED JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH7 0xFFFFFFFFFFFE0 PUSH1 0x3F DUP9 MLOAD ADD AND DUP1 PUSH1 0x84 ADD DUP3 ADD PUSH32 0xA85E59E400000000000000000000000000000000000000000000000000000000 DUP4 MSTORE PUSH1 0x80 PUSH1 0x4 DUP5 ADD MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP9 AND PUSH1 0x24 DUP5 ADD MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND PUSH1 0x44 DUP5 ADD MSTORE DUP6 PUSH1 0x64 DUP5 ADD MSTORE PUSH1 0x84 DUP4 ADD JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x3BC7 JUMPI DUP10 MLOAD DUP2 MSTORE PUSH1 0x20 SWAP10 DUP11 ADD SWAP10 ADD PUSH2 0x3BAF JUMP JUMPDEST PUSH2 0x200 DUP5 DUP6 DUP5 SUB DUP7 PUSH1 0x0 DUP10 GAS CALL DUP1 ISZERO ISZERO PUSH2 0x3BDF JUMPI RETURNDATASIZE DUP6 REVERT JUMPDEST POP POP POP POP POP JUMPDEST POP POP POP POP POP POP JUMP JUMPDEST DUP1 MLOAD PUSH1 0x0 SWAP1 PUSH1 0xFF AND PUSH1 0x3 EQ PUSH2 0x3C2E JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x579D JUMP JUMPDEST PUSH1 0x60 DUP4 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND ISZERO PUSH2 0x3CA1 JUMPI PUSH1 0x60 DUP4 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x3CA1 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x57AD JUMP JUMPDEST PUSH2 0x3CA9 PUSH2 0x25DF JUMP JUMPDEST DUP4 MLOAD SWAP1 SWAP2 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP4 AND SWAP2 AND EQ PUSH2 0x3CFF JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x566D JUMP JUMPDEST POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x5 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE DUP3 DUP2 ADD MLOAD DUP4 MLOAD PUSH2 0x140 DUP6 ADD MLOAD PUSH2 0x160 DUP7 ADD MLOAD SWAP4 MLOAD DUP6 SWAP5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP5 DUP6 AND SWAP5 SWAP4 SWAP1 SWAP4 AND SWAP3 PUSH32 0xDC47B3613D9FE400085F6DBDC99453462279057E6207385042827ED6B1A62CF7 SWAP3 PUSH2 0x3D9F SWAP3 CALLER SWAP3 SWAP1 PUSH2 0x54B7 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG4 POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x14 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x3DED JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x578D JUMP JUMPDEST POP ADD PUSH1 0x14 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP1 DUP3 DUP5 DUP2 ISZERO ISZERO PUSH2 0x3E1A JUMPI INVALID JUMPDEST DIV SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x4F72646572280000000000000000000000000000000000000000000000000000 PUSH1 0x20 DUP1 DUP4 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH32 0x61646472657373206D616B6572416464726573732C0000000000000000000000 PUSH1 0x26 DUP4 ADD MSTORE PUSH32 0x616464726573732074616B6572416464726573732C0000000000000000000000 PUSH1 0x3B DUP4 ADD MSTORE PUSH32 0x6164647265737320666565526563697069656E74416464726573732C00000000 PUSH1 0x50 DUP4 ADD MSTORE PUSH32 0x616464726573732073656E646572416464726573732C00000000000000000000 PUSH1 0x6C DUP4 ADD MSTORE PUSH32 0x75696E74323536206D616B65724173736574416D6F756E742C00000000000000 PUSH1 0x82 DUP4 ADD MSTORE PUSH32 0x75696E743235362074616B65724173736574416D6F756E742C00000000000000 PUSH1 0x9B DUP4 ADD MSTORE PUSH32 0x75696E74323536206D616B65724665652C000000000000000000000000000000 PUSH1 0xB4 DUP4 ADD MSTORE PUSH32 0x75696E743235362074616B65724665652C000000000000000000000000000000 PUSH1 0xC5 DUP4 ADD MSTORE PUSH32 0x75696E743235362065787069726174696F6E54696D655365636F6E64732C0000 PUSH1 0xD6 DUP4 ADD MSTORE PUSH32 0x75696E743235362073616C742C00000000000000000000000000000000000000 PUSH1 0xF4 DUP4 ADD MSTORE PUSH32 0x6279746573206D616B65724173736574446174612C0000000000000000000000 PUSH2 0x101 DUP4 ADD MSTORE PUSH32 0x62797465732074616B6572417373657444617461000000000000000000000000 PUSH2 0x116 DUP4 ADD MSTORE PUSH32 0x2900000000000000000000000000000000000000000000000000000000000000 PUSH2 0x12A DUP4 ADD MSTORE DUP3 MLOAD PUSH2 0x10B DUP2 DUP5 SUB ADD DUP2 MSTORE PUSH2 0x12B SWAP1 SWAP3 ADD SWAP3 DUP4 SWAP1 MSTORE DUP2 MLOAD PUSH1 0x0 SWAP4 DUP5 SWAP4 DUP5 SWAP4 DUP5 SWAP4 SWAP2 SWAP3 SWAP2 DUP3 SWAP2 DUP5 ADD SWAP1 DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x40AB JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x406E JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 MLOAD SWAP2 SWAP1 SWAP4 ADD DUP2 SWAP1 SUB DUP2 KECCAK256 PUSH2 0x140 DUP12 ADD MLOAD DUP1 MLOAD SWAP2 SWAP10 POP SWAP6 POP SWAP1 SWAP4 POP DUP4 SWAP3 DUP6 ADD SWAP2 POP DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x4146 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x4109 JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 MLOAD SWAP2 SWAP1 SWAP4 ADD DUP2 SWAP1 SUB DUP2 KECCAK256 PUSH2 0x160 DUP12 ADD MLOAD DUP1 MLOAD SWAP2 SWAP9 POP SWAP6 POP SWAP1 SWAP4 POP DUP4 SWAP3 DUP6 ADD SWAP2 POP DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x41E1 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x41A4 JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 SWAP1 SWAP4 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP2 AND SWAP3 AND SWAP2 SWAP1 SWAP2 OR SWAP1 MSTORE PUSH1 0x40 MLOAD SWAP3 ADD DUP3 SWAP1 SUB SWAP1 SWAP2 KECCAK256 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 DUP10 ADD DUP1 MLOAD PUSH2 0x140 DUP12 ADD DUP1 MLOAD PUSH2 0x160 SWAP1 SWAP13 ADD DUP1 MLOAD SWAP11 DUP5 MSTORE SWAP9 DUP2 MSTORE SWAP3 DUP9 MSTORE PUSH2 0x1A0 DUP3 KECCAK256 SWAP2 MSTORE SWAP9 SWAP1 MSTORE POP POP POP SWAP2 SWAP1 MSTORE POP SWAP1 SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 DUP5 GT PUSH2 0x42B8 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x564D JUMP JUMPDEST DUP3 ISZERO DUP1 PUSH2 0x42C3 JUMPI POP DUP5 ISZERO JUMPDEST ISZERO PUSH2 0x42D1 JUMPI PUSH1 0x0 SWAP2 POP PUSH2 0xA88 JUMP JUMPDEST DUP4 DUP1 ISZERO ISZERO PUSH2 0x42DB JUMPI INVALID JUMPDEST DUP6 DUP5 MULMOD SWAP1 POP PUSH2 0x42EA DUP6 DUP5 PUSH2 0x38AE JUMP JUMPDEST PUSH2 0x42F6 PUSH2 0x3E8 DUP4 PUSH2 0x38AE JUMP JUMPDEST LT ISZERO SWAP6 SWAP5 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 DUP5 GT PUSH2 0x433D JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x564D JUMP JUMPDEST DUP3 ISZERO DUP1 PUSH2 0x4348 JUMPI POP DUP5 ISZERO JUMPDEST ISZERO PUSH2 0x4356 JUMPI PUSH1 0x0 SWAP2 POP PUSH2 0xA88 JUMP JUMPDEST DUP4 DUP1 ISZERO ISZERO PUSH2 0x4360 JUMPI INVALID JUMPDEST DUP6 DUP5 MULMOD SWAP1 POP DUP4 PUSH2 0x4370 DUP6 DUP4 PUSH2 0x2F7D JUMP JUMPDEST DUP2 ISZERO ISZERO PUSH2 0x4379 JUMPI INVALID JUMPDEST MOD SWAP1 POP PUSH2 0x42EA DUP6 DUP5 PUSH2 0x38AE JUMP JUMPDEST PUSH1 0x80 PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE POP SWAP1 JUMP JUMPDEST PUSH2 0x120 PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 PUSH2 0x43C4 PUSH2 0x4386 JUMP JUMPDEST DUP2 MSTORE PUSH1 0x20 ADD PUSH2 0x43D1 PUSH2 0x4386 JUMP JUMPDEST DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE POP SWAP1 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x60 DUP2 ADD DUP3 MSTORE PUSH1 0x0 DUP1 DUP3 MSTORE PUSH1 0x20 DUP3 ADD DUP2 SWAP1 MSTORE SWAP2 DUP2 ADD SWAP2 SWAP1 SWAP2 MSTORE SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x260A DUP3 CALLDATALOAD PUSH2 0x58B0 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x441B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x442E PUSH2 0x4429 DUP3 PUSH2 0x583F JUMP JUMPDEST PUSH2 0x5818 JUMP JUMPDEST DUP2 DUP2 MSTORE PUSH1 0x20 SWAP4 DUP5 ADD SWAP4 SWAP1 SWAP3 POP DUP3 ADD DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x446C JUMPI DUP2 CALLDATALOAD DUP7 ADD PUSH2 0x4456 DUP9 DUP3 PUSH2 0x45BC JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0x4440 JUMP JUMPDEST POP POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x4487 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x4495 PUSH2 0x4429 DUP3 PUSH2 0x583F JUMP JUMPDEST DUP2 DUP2 MSTORE PUSH1 0x20 SWAP4 DUP5 ADD SWAP4 SWAP1 SWAP3 POP DUP3 ADD DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x446C JUMPI DUP2 CALLDATALOAD DUP7 ADD PUSH2 0x44BD DUP9 DUP3 PUSH2 0x460B JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0x44A7 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x44E4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x44F2 PUSH2 0x4429 DUP3 PUSH2 0x583F JUMP JUMPDEST SWAP2 POP DUP2 DUP2 DUP4 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH1 0x20 DUP2 ADD SWAP1 POP DUP4 DUP6 PUSH1 0x20 DUP5 MUL DUP3 ADD GT ISZERO PUSH2 0x4517 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x446C JUMPI DUP2 PUSH2 0x452D DUP9 DUP3 PUSH2 0x454F JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0x451A JUMP JUMPDEST PUSH1 0x0 PUSH2 0x260A DUP3 CALLDATALOAD PUSH2 0x58C9 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x260A DUP3 CALLDATALOAD PUSH2 0x58CE JUMP JUMPDEST PUSH1 0x0 PUSH2 0x260A DUP3 CALLDATALOAD PUSH2 0x58D1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x260A DUP3 MLOAD PUSH2 0x58D1 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x1F DUP4 ADD DUP5 SGT PUSH2 0x4585 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP DUP2 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x459D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x20 DUP4 ADD SWAP2 POP DUP4 PUSH1 0x1 DUP3 MUL DUP4 ADD GT ISZERO PUSH2 0x45B5 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x45CD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x45DB PUSH2 0x4429 DUP3 PUSH2 0x5860 JUMP JUMPDEST SWAP2 POP DUP1 DUP3 MSTORE PUSH1 0x20 DUP4 ADD PUSH1 0x20 DUP4 ADD DUP6 DUP4 DUP4 ADD GT ISZERO PUSH2 0x45F7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4602 DUP4 DUP3 DUP5 PUSH2 0x5907 JUMP JUMPDEST POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x180 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x461E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4629 PUSH2 0x180 PUSH2 0x5818 JUMP JUMPDEST SWAP1 POP PUSH1 0x0 PUSH2 0x4637 DUP5 DUP5 PUSH2 0x43FE JUMP JUMPDEST DUP3 MSTORE POP PUSH1 0x20 PUSH2 0x4648 DUP5 DUP5 DUP4 ADD PUSH2 0x43FE JUMP JUMPDEST PUSH1 0x20 DUP4 ADD MSTORE POP PUSH1 0x40 PUSH2 0x465C DUP5 DUP3 DUP6 ADD PUSH2 0x43FE JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MSTORE POP PUSH1 0x60 PUSH2 0x4670 DUP5 DUP3 DUP6 ADD PUSH2 0x43FE JUMP JUMPDEST PUSH1 0x60 DUP4 ADD MSTORE POP PUSH1 0x80 PUSH2 0x4684 DUP5 DUP3 DUP6 ADD PUSH2 0x454F JUMP JUMPDEST PUSH1 0x80 DUP4 ADD MSTORE POP PUSH1 0xA0 PUSH2 0x4698 DUP5 DUP3 DUP6 ADD PUSH2 0x454F JUMP JUMPDEST PUSH1 0xA0 DUP4 ADD MSTORE POP PUSH1 0xC0 PUSH2 0x46AC DUP5 DUP3 DUP6 ADD PUSH2 0x454F JUMP JUMPDEST PUSH1 0xC0 DUP4 ADD MSTORE POP PUSH1 0xE0 PUSH2 0x46C0 DUP5 DUP3 DUP6 ADD PUSH2 0x454F JUMP JUMPDEST PUSH1 0xE0 DUP4 ADD MSTORE POP PUSH2 0x100 PUSH2 0x46D5 DUP5 DUP3 DUP6 ADD PUSH2 0x454F JUMP JUMPDEST PUSH2 0x100 DUP4 ADD MSTORE POP PUSH2 0x120 PUSH2 0x46EB DUP5 DUP3 DUP6 ADD PUSH2 0x454F JUMP JUMPDEST PUSH2 0x120 DUP4 ADD MSTORE POP PUSH2 0x140 DUP3 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x470D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4719 DUP5 DUP3 DUP6 ADD PUSH2 0x45BC JUMP JUMPDEST PUSH2 0x140 DUP4 ADD MSTORE POP PUSH2 0x160 DUP3 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x473B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4747 DUP5 DUP3 DUP6 ADD PUSH2 0x45BC JUMP JUMPDEST PUSH2 0x160 DUP4 ADD MSTORE POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x4766 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x344B DUP5 DUP5 PUSH2 0x43FE JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x4785 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x4791 DUP6 DUP6 PUSH2 0x43FE JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 PUSH2 0x47A2 DUP6 DUP3 DUP7 ADD PUSH2 0x43FE JUMP JUMPDEST SWAP2 POP POP SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x47BF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x47CB DUP6 DUP6 PUSH2 0x43FE JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 PUSH2 0x47A2 DUP6 DUP3 DUP7 ADD PUSH2 0x4543 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x47EE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4805 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x344B DUP5 DUP3 DUP6 ADD PUSH2 0x4476 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x60 DUP5 DUP7 SUB SLT ISZERO PUSH2 0x4826 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP4 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x483D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4849 DUP7 DUP3 DUP8 ADD PUSH2 0x4476 JUMP JUMPDEST SWAP4 POP POP PUSH1 0x20 DUP5 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4866 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4872 DUP7 DUP3 DUP8 ADD PUSH2 0x44D3 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x40 DUP5 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x488F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x489B DUP7 DUP3 DUP8 ADD PUSH2 0x440A JUMP JUMPDEST SWAP2 POP POP SWAP3 POP SWAP3 POP SWAP3 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x60 DUP5 DUP7 SUB SLT ISZERO PUSH2 0x48BA JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP4 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x48D1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x48DD DUP7 DUP3 DUP8 ADD PUSH2 0x4476 JUMP JUMPDEST SWAP4 POP POP PUSH1 0x20 PUSH2 0x4872 DUP7 DUP3 DUP8 ADD PUSH2 0x454F JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x4900 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x344B DUP5 DUP5 PUSH2 0x454F JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x491F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x4791 DUP6 DUP6 PUSH2 0x454F JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x60 DUP6 DUP8 SUB SLT ISZERO PUSH2 0x4941 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x494D DUP8 DUP8 PUSH2 0x454F JUMP JUMPDEST SWAP5 POP POP PUSH1 0x20 PUSH2 0x495E DUP8 DUP3 DUP9 ADD PUSH2 0x43FE JUMP JUMPDEST SWAP4 POP POP PUSH1 0x40 DUP6 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x497B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4987 DUP8 DUP3 DUP9 ADD PUSH2 0x4573 JUMP JUMPDEST SWAP6 SWAP9 SWAP5 SWAP8 POP SWAP6 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x60 DUP5 DUP7 SUB SLT ISZERO PUSH2 0x49A8 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x49B4 DUP7 DUP7 PUSH2 0x454F JUMP JUMPDEST SWAP4 POP POP PUSH1 0x20 PUSH2 0x49C5 DUP7 DUP3 DUP8 ADD PUSH2 0x43FE JUMP JUMPDEST SWAP3 POP POP PUSH1 0x40 DUP5 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x49E2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x489B DUP7 DUP3 DUP8 ADD PUSH2 0x45BC JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x4A00 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x344B DUP5 DUP5 PUSH2 0x455B JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x4A1E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x344B DUP5 DUP5 PUSH2 0x4567 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x4A3C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4A53 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x344B DUP5 DUP3 DUP6 ADD PUSH2 0x460B JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x80 DUP6 DUP8 SUB SLT ISZERO PUSH2 0x4A75 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP5 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4A8C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4A98 DUP8 DUP3 DUP9 ADD PUSH2 0x460B JUMP JUMPDEST SWAP5 POP POP PUSH1 0x20 DUP6 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4AB5 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4AC1 DUP8 DUP3 DUP9 ADD PUSH2 0x460B JUMP JUMPDEST SWAP4 POP POP PUSH1 0x40 DUP6 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4ADE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4AEA DUP8 DUP3 DUP9 ADD PUSH2 0x45BC JUMP JUMPDEST SWAP3 POP POP PUSH1 0x60 DUP6 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4B07 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4B13 DUP8 DUP3 DUP9 ADD PUSH2 0x45BC JUMP JUMPDEST SWAP2 POP POP SWAP3 SWAP6 SWAP2 SWAP5 POP SWAP3 POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x60 DUP5 DUP7 SUB SLT ISZERO PUSH2 0x4B34 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP4 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4B4B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4B57 DUP7 DUP3 DUP8 ADD PUSH2 0x460B JUMP JUMPDEST SWAP4 POP POP PUSH1 0x20 PUSH2 0x49C5 DUP7 DUP3 DUP8 ADD PUSH2 0x454F JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x80 DUP8 DUP10 SUB SLT ISZERO PUSH2 0x4B81 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x4B8D DUP10 DUP10 PUSH2 0x454F JUMP JUMPDEST SWAP7 POP POP PUSH1 0x20 PUSH2 0x4B9E DUP10 DUP3 DUP11 ADD PUSH2 0x43FE JUMP JUMPDEST SWAP6 POP POP PUSH1 0x40 DUP8 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4BBB JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4BC7 DUP10 DUP3 DUP11 ADD PUSH2 0x4573 JUMP JUMPDEST SWAP5 POP SWAP5 POP POP PUSH1 0x60 DUP8 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4BE6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4BF2 DUP10 DUP3 DUP11 ADD PUSH2 0x4573 JUMP JUMPDEST SWAP3 POP SWAP3 POP POP SWAP3 SWAP6 POP SWAP3 SWAP6 POP SWAP3 SWAP6 JUMP JUMPDEST PUSH2 0x4C0A DUP2 PUSH2 0x58B0 JUMP JUMPDEST DUP3 MSTORE POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x4C1B DUP3 PUSH2 0x58AC JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH2 0x4C2D DUP4 PUSH2 0x58A6 JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP3 DUP2 LT ISZERO PUSH2 0x4C5D JUMPI PUSH2 0x4C43 DUP7 DUP4 MLOAD PUSH2 0x53E5 JUMP JUMPDEST PUSH2 0x4C4C DUP3 PUSH2 0x58A6 JUMP JUMPDEST PUSH1 0x60 SWAP7 SWAP1 SWAP7 ADD SWAP6 SWAP2 POP PUSH1 0x1 ADD PUSH2 0x4C30 JUMP JUMPDEST POP SWAP4 SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH2 0x4C0A DUP2 PUSH2 0x58C9 JUMP JUMPDEST PUSH2 0x4C0A DUP2 PUSH2 0x58CE JUMP JUMPDEST PUSH2 0x4C0A DUP2 PUSH2 0x58D1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x4C8D DUP3 PUSH2 0x58AC JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH2 0x4CA1 DUP2 PUSH1 0x20 DUP7 ADD PUSH1 0x20 DUP7 ADD PUSH2 0x5913 JUMP JUMPDEST PUSH2 0x4CAA DUP2 PUSH2 0x593F JUMP JUMPDEST SWAP1 SWAP4 ADD PUSH1 0x20 ADD SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH2 0x4C0A DUP2 PUSH2 0x58FC JUMP JUMPDEST PUSH1 0x12 DUP2 MSTORE PUSH32 0x4C454E4754485F36355F52455155495245440000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xD DUP2 MSTORE PUSH32 0x494E56414C49445F54414B455200000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xE DUP2 MSTORE PUSH32 0x4F524445525F4F56455246494C4C000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x11 DUP2 MSTORE PUSH32 0x55494E543235365F554E444552464C4F57000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x1A DUP2 MSTORE PUSH32 0x41535345545F50524F58595F414C52454144595F455849535453000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x26 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F33325F4C454E4754485F5245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5155495245440000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x15 DUP2 MSTORE PUSH32 0x5349474E41545552455F554E535550504F525445440000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x10 DUP2 MSTORE PUSH32 0x4449564953494F4E5F42595F5A45524F00000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x17 DUP2 MSTORE PUSH32 0x494E56414C49445F4F524445525F5349474E4154555245000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xD DUP2 MSTORE PUSH32 0x494E56414C49445F4D414B455200000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x10 DUP2 MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xF DUP2 MSTORE PUSH32 0x494E56414C49445F54585F484153480000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x11 DUP2 MSTORE PUSH32 0x494E56414C49445F5349474E4154555245000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xE DUP2 MSTORE PUSH32 0x524F554E44494E475F4552524F52000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x10 DUP2 MSTORE PUSH32 0x4641494C45445F455845435554494F4E00000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xD DUP2 MSTORE PUSH32 0x54414B45525F4F56455250415900000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x14 DUP2 MSTORE PUSH32 0x494E56414C49445F54414B45525F414D4F554E54000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x1A DUP2 MSTORE PUSH32 0x41535345545F50524F58595F444F45535F4E4F545F4558495354000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x21 DUP2 MSTORE PUSH32 0x475245415445525F5448414E5F5A45524F5F4C454E4754485F52455155495245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x4400000000000000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x11 DUP2 MSTORE PUSH32 0x5349474E41545552455F494C4C4547414C000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x1E DUP2 MSTORE PUSH32 0x4C454E4754485F475245415445525F5448414E5F305F52455155495245440000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x17 DUP2 MSTORE PUSH32 0x494E56414C49445F4E45575F4F524445525F45504F4348000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x1E DUP2 MSTORE PUSH32 0x4C454E4754485F475245415445525F5448414E5F335F52455155495245440000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x14 DUP2 MSTORE PUSH32 0x434F4D504C4554455F46494C4C5F4641494C4544000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x12 DUP2 MSTORE PUSH32 0x494E56414C49445F46494C4C5F50524943450000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x12 DUP2 MSTORE PUSH32 0x5245454E5452414E43595F494C4C4547414C0000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x13 DUP2 MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x26 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F32305F4C454E4754485F5245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5155495245440000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x10 DUP2 MSTORE PUSH32 0x4F524445525F554E46494C4C41424C4500000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xE DUP2 MSTORE PUSH32 0x494E56414C49445F53454E444552000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x18 DUP2 MSTORE PUSH32 0x4E454741544956455F5350524541445F52455155495245440000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x14 DUP2 MSTORE PUSH32 0x494E56414C49445F54585F5349474E4154555245000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x11 DUP2 MSTORE PUSH32 0x4C454E4754485F305F5245515549524544000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST DUP1 MLOAD PUSH1 0x80 DUP4 ADD SWAP1 PUSH2 0x5373 DUP5 DUP3 PUSH2 0x4C70 JUMP JUMPDEST POP PUSH1 0x20 DUP3 ADD MLOAD PUSH2 0x5386 PUSH1 0x20 DUP6 ADD DUP3 PUSH2 0x4C70 JUMP JUMPDEST POP PUSH1 0x40 DUP3 ADD MLOAD PUSH2 0x5399 PUSH1 0x40 DUP6 ADD DUP3 PUSH2 0x4C70 JUMP JUMPDEST POP PUSH1 0x60 DUP3 ADD MLOAD PUSH2 0x27A3 PUSH1 0x60 DUP6 ADD DUP3 PUSH2 0x4C70 JUMP JUMPDEST DUP1 MLOAD PUSH2 0x120 DUP4 ADD SWAP1 PUSH2 0x53BE DUP5 DUP3 PUSH2 0x5362 JUMP JUMPDEST POP PUSH1 0x20 DUP3 ADD MLOAD PUSH2 0x53D1 PUSH1 0x80 DUP6 ADD DUP3 PUSH2 0x5362 JUMP JUMPDEST POP PUSH1 0x40 DUP3 ADD MLOAD PUSH2 0x27A3 PUSH2 0x100 DUP6 ADD DUP3 PUSH2 0x4C70 JUMP JUMPDEST DUP1 MLOAD PUSH1 0x60 DUP4 ADD SWAP1 PUSH2 0x53F6 DUP5 DUP3 PUSH2 0x541C JUMP JUMPDEST POP PUSH1 0x20 DUP3 ADD MLOAD PUSH2 0x5409 PUSH1 0x20 DUP6 ADD DUP3 PUSH2 0x4C70 JUMP JUMPDEST POP PUSH1 0x40 DUP3 ADD MLOAD PUSH2 0x27A3 PUSH1 0x40 DUP6 ADD DUP3 PUSH2 0x4C70 JUMP JUMPDEST PUSH2 0x4C0A DUP2 PUSH2 0x58F6 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x2FBE DUP3 DUP5 PUSH2 0x4C01 JUMP JUMPDEST PUSH2 0x100 DUP2 ADD PUSH2 0x5442 DUP3 DUP12 PUSH2 0x4C01 JUMP JUMPDEST PUSH2 0x544F PUSH1 0x20 DUP4 ADD DUP11 PUSH2 0x4C01 JUMP JUMPDEST PUSH2 0x545C PUSH1 0x40 DUP4 ADD DUP10 PUSH2 0x4C70 JUMP JUMPDEST PUSH2 0x5469 PUSH1 0x60 DUP4 ADD DUP9 PUSH2 0x4C70 JUMP JUMPDEST PUSH2 0x5476 PUSH1 0x80 DUP4 ADD DUP8 PUSH2 0x4C70 JUMP JUMPDEST PUSH2 0x5483 PUSH1 0xA0 DUP4 ADD DUP7 PUSH2 0x4C70 JUMP JUMPDEST DUP2 DUP2 SUB PUSH1 0xC0 DUP4 ADD MSTORE PUSH2 0x5495 DUP2 DUP6 PUSH2 0x4C82 JUMP JUMPDEST SWAP1 POP DUP2 DUP2 SUB PUSH1 0xE0 DUP4 ADD MSTORE PUSH2 0x54A9 DUP2 DUP5 PUSH2 0x4C82 JUMP JUMPDEST SWAP11 SWAP10 POP POP POP POP POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x60 DUP2 ADD PUSH2 0x54C5 DUP3 DUP7 PUSH2 0x4C01 JUMP JUMPDEST DUP2 DUP2 SUB PUSH1 0x20 DUP4 ADD MSTORE PUSH2 0x54D7 DUP2 DUP6 PUSH2 0x4C82 JUMP JUMPDEST SWAP1 POP DUP2 DUP2 SUB PUSH1 0x40 DUP4 ADD MSTORE PUSH2 0x54EB DUP2 DUP5 PUSH2 0x4C82 JUMP JUMPDEST SWAP6 SWAP5 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x260A DUP2 DUP5 PUSH2 0x4C10 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x2FBE DUP3 DUP5 PUSH2 0x4C67 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x2FBE DUP3 DUP5 PUSH2 0x4C70 JUMP JUMPDEST PUSH1 0x60 DUP2 ADD PUSH2 0x552F DUP3 DUP7 PUSH2 0x4C70 JUMP JUMPDEST PUSH2 0x553C PUSH1 0x20 DUP4 ADD DUP6 PUSH2 0x4C01 JUMP JUMPDEST DUP2 DUP2 SUB PUSH1 0x40 DUP4 ADD MSTORE PUSH2 0x54EB DUP2 DUP5 PUSH2 0x4C82 JUMP JUMPDEST PUSH1 0x40 DUP2 ADD PUSH2 0x555C DUP3 DUP6 PUSH2 0x4C70 JUMP JUMPDEST DUP2 DUP2 SUB PUSH1 0x20 DUP4 ADD MSTORE PUSH2 0x344B DUP2 DUP5 PUSH2 0x4C82 JUMP JUMPDEST PUSH1 0x80 DUP2 ADD PUSH2 0x557C DUP3 DUP8 PUSH2 0x4C70 JUMP JUMPDEST PUSH2 0x5589 PUSH1 0x20 DUP4 ADD DUP7 PUSH2 0x541C JUMP JUMPDEST PUSH2 0x5596 PUSH1 0x40 DUP4 ADD DUP6 PUSH2 0x4C70 JUMP JUMPDEST PUSH2 0x54EB PUSH1 0x60 DUP4 ADD DUP5 PUSH2 0x4C70 JUMP JUMPDEST PUSH1 0x40 DUP2 ADD PUSH2 0x55B1 DUP3 DUP6 PUSH2 0x4C79 JUMP JUMPDEST PUSH2 0x260A PUSH1 0x20 DUP4 ADD DUP5 PUSH2 0x4C01 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x260A DUP2 DUP5 PUSH2 0x4C82 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x2FBE DUP3 DUP5 PUSH2 0x4CB7 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4CC0 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4CF0 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4D20 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4D50 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4D80 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4DB0 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4E06 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4E36 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4E66 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4E96 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4EC6 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4EF6 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4F26 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4F56 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4F86 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4FB6 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x4FE6 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x5016 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x5046 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x509C JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x50CC JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x50FC JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x512C JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x515C JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x518C JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x51BC JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x51EC JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x521C JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x5272 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x52A2 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x52D2 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x5302 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2FBE DUP2 PUSH2 0x5332 JUMP JUMPDEST PUSH1 0x80 DUP2 ADD PUSH2 0x2FBE DUP3 DUP5 PUSH2 0x5362 JUMP JUMPDEST PUSH2 0x120 DUP2 ADD PUSH2 0x2FBE DUP3 DUP5 PUSH2 0x53AC JUMP JUMPDEST PUSH1 0x60 DUP2 ADD PUSH2 0x2FBE DUP3 DUP5 PUSH2 0x53E5 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP2 DUP2 ADD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT DUP3 DUP3 LT OR ISZERO PUSH2 0x5837 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x40 MSTORE SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH8 0xFFFFFFFFFFFFFFFF DUP3 GT ISZERO PUSH2 0x5856 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x20 SWAP1 DUP2 MUL ADD SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH8 0xFFFFFFFFFFFFFFFF DUP3 GT ISZERO PUSH2 0x5877 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x20 PUSH1 0x1F SWAP2 SWAP1 SWAP2 ADD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 AND ADD SWAP1 JUMP JUMPDEST PUSH1 0x20 ADD SWAP1 JUMP JUMPDEST MLOAD SWAP1 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST ISZERO ISZERO SWAP1 JUMP JUMPDEST SWAP1 JUMP JUMPDEST PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND SWAP1 JUMP JUMPDEST PUSH1 0xFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x2FBE DUP3 PUSH2 0x58B0 JUMP JUMPDEST DUP3 DUP2 DUP4 CALLDATACOPY POP PUSH1 0x0 SWAP2 ADD MSTORE JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x592E JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x5916 JUMP JUMPDEST DUP4 DUP2 GT ISZERO PUSH2 0x27A3 JUMPI POP POP PUSH1 0x0 SWAP2 ADD MSTORE JUMP JUMPDEST PUSH1 0x1F ADD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 AND SWAP1 JUMP STOP LOG2 PUSH6 0x627A7A723058 KECCAK256 PUSH22 0xFCAE05644C6AFA57DA58B9541210644237FC1EC14ADF MSIZE 0xf 0xb4 0xa6 EXTCODESIZE 0xa9 0xae 0xc8 DUP8 PUSH13 0x6578706572696D656E74616CF5 STOP CALLDATACOPY ", + "sourceMap": 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"2.0.0/protocol/AssetProxy/ERC20Proxy.sol": { + "id": 14 + }, + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": { + "id": 15 + }, + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": { + "id": 16 + }, + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": { + "id": 17 + }, + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": { + "id": 18 + }, + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": { + "id": 19 + }, + "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": { + "id": 20 + }, + "2.0.0/protocol/Exchange/Exchange.sol": { + "id": 21 + }, + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": { + "id": 22 + }, + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": { + "id": 23 + }, + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": { + "id": 24 + }, + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": { + "id": 25 + }, + "2.0.0/protocol/Exchange/MixinTransactions.sol": { + "id": 26 + }, + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": { + "id": 27 + }, + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": { + "id": 28 + }, + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": { + "id": 29 + }, + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": { + "id": 30 + }, + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": { + "id": 31 + }, + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": { + "id": 32 + }, + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": { + "id": 33 + }, + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": { + "id": 34 + }, + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": { + "id": 35 + }, + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": { + "id": 36 + }, + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": { + "id": 37 + }, + "2.0.0/protocol/Exchange/libs/LibConstants.sol": { + "id": 38 + }, + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": { + "id": 39 + }, + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": { + "id": 40 + }, + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": { + "id": 41 + }, + "2.0.0/protocol/Exchange/libs/LibMath.sol": { + "id": 42 + }, + "2.0.0/protocol/Exchange/libs/LibOrder.sol": { + "id": 43 + }, + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": { + "id": 44 + }, + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": { + "id": 45 + }, + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": { + "id": 46 + }, + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": { + "id": 47 + }, + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": { + "id": 48 + }, + "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": { + "id": 49 + }, + "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": { + "id": 50 + }, + "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": { + "id": 51 + }, + "2.0.0/tokens/ERC20Token/ERC20Token.sol": { + "id": 52 + }, + "2.0.0/tokens/ERC20Token/IERC20Token.sol": { + "id": 53 + }, + "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": { + "id": 54 + }, + "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": { + "id": 55 + }, + "2.0.0/tokens/ERC721Token/ERC721Token.sol": { + "id": 56 + }, + "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": { + "id": 57 + }, + "2.0.0/tokens/ERC721Token/IERC721Token.sol": { + "id": 58 + }, + "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": { + "id": 59 + }, + "2.0.0/tokens/EtherToken/IEtherToken.sol": { + "id": 60 + }, + "2.0.0/utils/LibBytes/LibBytes.sol": { + "id": 61 + }, + "2.0.0/utils/Ownable/IOwnable.sol": { + "id": 62 + }, + "2.0.0/utils/Ownable/Ownable.sol": { + "id": 63 + }, + "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": { + "id": 64 + }, + "2.0.0/utils/SafeMath/SafeMath.sol": { + "id": 65 + } + }, + "sourceCodes": { + "2.0.0/extensions/Forwarder/Forwarder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinWeth.sol\";\nimport \"./MixinForwarderCore.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinAssets.sol\";\nimport \"./MixinExchangeWrapper.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Forwarder is\n LibConstants,\n MixinWeth,\n MixinAssets,\n MixinExchangeWrapper,\n MixinForwarderCore\n{\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n LibConstants(\n _exchange,\n _zrxAssetData,\n _wethAssetData\n )\n MixinForwarderCore()\n {}\n}\n", + "2.0.0/extensions/Forwarder/MixinAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MAssets.sol\";\n\n\ncontract MixinAssets is\n Ownable,\n LibConstants,\n MAssets\n{\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256(\"transfer(address,uint256)\"));\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external\n onlyOwner\n {\n transferAssetToSender(assetData, amount);\n }\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n bytes4 proxyId = assetData.readBytes4(0);\n\n if (proxyId == ERC20_DATA_ID) {\n transferERC20Token(assetData, amount);\n } else if (proxyId == ERC721_DATA_ID) {\n transferERC721Token(assetData, amount);\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n }\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n address token = assetData.readAddress(16);\n\n // Transfer tokens.\n // We do a raw call so we can check the success separate\n // from the return data.\n bool success = token.call(abi.encodeWithSelector(\n ERC20_TRANSFER_SELECTOR,\n msg.sender,\n amount\n ));\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n \n // Check return data.\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // value that evaluates to true.\n assembly {\n if returndatasize {\n success := 0\n if eq(returndatasize, 32) {\n // First 64 bytes of memory are reserved scratch space\n returndatacopy(0, 0, 32)\n success := mload(0)\n }\n }\n }\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n }\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n require(\n amount == 1,\n \"INVALID_AMOUNT\"\n );\n // Decode asset data.\n address token = assetData.readAddress(16);\n uint256 tokenId = assetData.readUint256(36);\n\n // Perform transfer.\n IERC721Token(token).transferFrom(\n address(this),\n msg.sender,\n tokenId\n );\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"../../protocol/Exchange/libs/LibAbiEncoder.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinExchangeWrapper is\n LibAbiEncoder,\n LibFillResults,\n LibMath,\n LibConstants,\n MExchangeWrapper\n{\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n address exchange = address(EXCHANGE);\n\n // Call `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := call(\n gas, // forward all gas\n exchange, // call address of Exchange contract\n 0, // transfer 0 wei\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of WETH to sell\n uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of WETH\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount;\n if (makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n\n require(\n makerAssetFilledAmount >= makerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n // Do nothing if zrxBuyAmount == 0\n if (zrxBuyAmount == 0) {\n return totalFillResults;\n }\n\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n uint256 zrxPurchased = 0;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // All of these are ZRX/WETH, so we can drop the respective assetData from calldata.\n orders[i].makerAssetData = zrxAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of ZRX to buy.\n uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased);\n\n // Convert the remaining amount of ZRX to buy into remaining amount\n // of WETH to sell, assuming entire amount can be sold in the current order.\n uint256 remainingWethSellAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees \n remainingZrxBuyAmount\n );\n\n // Attempt to sell the remaining amount of WETH.\n FillResults memory singleFillResult = fillOrderNoThrow(\n orders[i],\n safeAdd(remainingWethSellAmount, 1), // we add 1 wei to the fill amount to make up for rounding errors\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker.\n addFillResults(totalFillResults, singleFillResult);\n zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid);\n\n // Stop execution if the entire amount of ZRX has been bought.\n if (zrxPurchased >= zrxBuyAmount) {\n break;\n }\n }\n\n require(\n zrxPurchased >= zrxBuyAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\nimport \"./mixins/MAssets.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"./interfaces/IForwarderCore.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinForwarderCore is\n LibFillResults,\n LibMath,\n LibConstants,\n MWeth,\n MAssets,\n MExchangeWrapper,\n IForwarderCore\n{\n using LibBytes for bytes;\n\n /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf.\n constructor ()\n public\n {\n address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID);\n require(\n proxyAddress != address(0),\n \"UNREGISTERED_ASSET_PROXY\"\n );\n ETHER_TOKEN.approve(proxyAddress, MAX_UINT);\n ZRX_TOKEN.approve(proxyAddress, MAX_UINT);\n }\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 wethSellAmount;\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // Calculate amount of WETH that won't be spent on ETH fees.\n wethSellAmount = getPartialAmountFloor(\n PERCENTAGE_DENOMINATOR,\n safeAdd(PERCENTAGE_DENOMINATOR, feePercentage),\n msg.value\n );\n // Market sell available WETH.\n // ZRX fees are paid with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // 5% of WETH is reserved for filling feeOrders and paying feeRecipient.\n wethSellAmount = getPartialAmountFloor(\n MAX_WETH_FILL_PERCENTAGE,\n PERCENTAGE_DENOMINATOR,\n msg.value\n );\n // Market sell 95% of WETH.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // If the makerAsset is ZRX, it is not necessary to pay fees out of this\n // contracts's ZRX balance because fees are factored into the price of the order.\n orderFillResults = marketBuyExactZrxWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // Attemp to purchase desired amount of makerAsset.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketBuyExactAmountWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\n\n\ncontract MixinWeth is\n LibMath,\n LibConstants,\n MWeth\n{\n /// @dev Default payabale function, this allows us to withdraw WETH\n function ()\n public\n payable\n {\n require(\n msg.sender == address(ETHER_TOKEN),\n \"DEFAULT_FUNCTION_WETH_CONTRACT_ONLY\"\n );\n }\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal\n {\n require(\n msg.value > 0,\n \"INVALID_MSG_VALUE\"\n );\n ETHER_TOKEN.deposit.value(msg.value)();\n }\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal\n {\n // Ensure feePercentage is less than 5%.\n require(\n feePercentage <= MAX_FEE_PERCENTAGE,\n \"FEE_PERCENTAGE_TOO_LARGE\"\n );\n\n // Ensure that no extra WETH owned by this contract has been sold.\n uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx);\n require(\n wethSold <= msg.value,\n \"OVERSOLD_WETH\"\n );\n\n // Calculate amount of WETH that hasn't been sold.\n uint256 wethRemaining = safeSub(msg.value, wethSold);\n\n // Calculate ETH fee to pay to feeRecipient.\n uint256 ethFee = getPartialAmountFloor(\n feePercentage,\n PERCENTAGE_DENOMINATOR,\n wethSoldExcludingFeeOrders\n );\n\n // Ensure fee is less than amount of WETH remaining.\n require(\n ethFee <= wethRemaining,\n \"INSUFFICIENT_ETH_REMAINING\"\n );\n \n // Do nothing if no WETH remaining\n if (wethRemaining > 0) {\n // Convert remaining WETH to ETH\n ETHER_TOKEN.withdraw(wethRemaining);\n\n // Pay ETH to feeRecipient\n if (ethFee > 0) {\n feeRecipient.transfer(ethFee);\n }\n\n // Refund remaining ETH to msg.sender.\n uint256 ethRefund = safeSub(wethRemaining, ethFee);\n if (ethRefund > 0) {\n msg.sender.transfer(ethRefund);\n }\n }\n }\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssets {\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external;\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract IForwarderCore {\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n}\n", + "2.0.0/extensions/Forwarder/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/LibBytes/LibBytes.sol\";\nimport \"../../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../../tokens/EtherToken/IEtherToken.sol\";\nimport \"../../../tokens/ERC20Token/IERC20Token.sol\";\n\n\ncontract LibConstants {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n uint256 constant internal MAX_UINT = 2**256 - 1;\n uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; \n uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5%\n uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95%\n \n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n IEtherToken internal ETHER_TOKEN;\n IERC20Token internal ZRX_TOKEN;\n bytes internal ZRX_ASSET_DATA;\n bytes internal WETH_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n WETH_ASSET_DATA = _wethAssetData;\n\n address etherToken = _wethAssetData.readAddress(16);\n address zrxToken = _zrxAssetData.readAddress(16);\n ETHER_TOKEN = IEtherToken(etherToken);\n ZRX_TOKEN = IERC20Token(zrxToken);\n }\n}\n", + "2.0.0/extensions/Forwarder/mixins/MAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssets.sol\";\n\n\ncontract MAssets is\n IAssets\n{\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract MExchangeWrapper {\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n}\n", + "2.0.0/extensions/Forwarder/mixins/MWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract MWeth {\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal;\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal;\n}\n", + "2.0.0/extensions/OrderValidator/OrderValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract OrderValidator {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n struct TraderInfo {\n uint256 makerBalance; // Maker's balance of makerAsset\n uint256 makerAllowance; // Maker's allowance to corresponding AssetProxy\n uint256 takerBalance; // Taker's balance of takerAsset\n uint256 takerAllowance; // Taker's allowance to corresponding AssetProxy\n uint256 makerZrxBalance; // Maker's balance of ZRX\n uint256 makerZrxAllowance; // Maker's allowance of ZRX to ERC20Proxy\n uint256 takerZrxBalance; // Taker's balance of ZRX\n uint256 takerZrxAllowance; // Taker's allowance of ZRX to ERC20Proxy\n }\n\n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n bytes internal ZRX_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (address _exchange, bytes memory _zrxAssetData)\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n }\n\n /// @dev Fetches information for order and maker/taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return OrderInfo and TraderInfo instances for given order.\n function getOrderAndTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo, TraderInfo memory traderInfo)\n {\n orderInfo = EXCHANGE.getOrderInfo(order);\n traderInfo = getTraderInfo(order, takerAddress);\n return (orderInfo, traderInfo);\n }\n\n /// @dev Fetches information for all passed in orders and the makers/takers of each order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Arrays of OrderInfo and TraderInfo instances that correspond to each order.\n function getOrdersAndTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (LibOrder.OrderInfo[] memory ordersInfo, TraderInfo[] memory tradersInfo)\n {\n ordersInfo = EXCHANGE.getOrdersInfo(orders);\n tradersInfo = getTradersInfo(orders, takerAddresses);\n return (ordersInfo, tradersInfo);\n }\n\n /// @dev Fetches balance and allowances for maker and taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return Balances and allowances of maker and taker of order.\n function getTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (TraderInfo memory traderInfo)\n {\n (traderInfo.makerBalance, traderInfo.makerAllowance) = getBalanceAndAllowance(order.makerAddress, order.makerAssetData);\n (traderInfo.takerBalance, traderInfo.takerAllowance) = getBalanceAndAllowance(takerAddress, order.takerAssetData);\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n (traderInfo.makerZrxBalance, traderInfo.makerZrxAllowance) = getBalanceAndAllowance(order.makerAddress, zrxAssetData);\n (traderInfo.takerZrxBalance, traderInfo.takerZrxAllowance) = getBalanceAndAllowance(takerAddress, zrxAssetData);\n return traderInfo;\n }\n\n /// @dev Fetches balances and allowances of maker and taker for each provided order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Array of balances and allowances for maker and taker of each order.\n function getTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (TraderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n TraderInfo[] memory tradersInfo = new TraderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n tradersInfo[i] = getTraderInfo(orders[i], takerAddresses[i]);\n }\n return tradersInfo;\n }\n\n /// @dev Fetches token balances and allowances of an address to given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Encoded data that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balance of asset and allowance set to given proxy of asset.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalanceAndAllowance(address target, bytes memory assetData)\n public\n view\n returns (uint256 balance, uint256 allowance)\n {\n bytes4 assetProxyId = assetData.readBytes4(0);\n address token = assetData.readAddress(16);\n address assetProxy = EXCHANGE.getAssetProxy(assetProxyId);\n\n if (assetProxyId == ERC20_DATA_ID) {\n // Query balance\n balance = IERC20Token(token).balanceOf(target);\n\n // Query allowance\n allowance = IERC20Token(token).allowance(target, assetProxy);\n } else if (assetProxyId == ERC721_DATA_ID) {\n uint256 tokenId = assetData.readUint256(36);\n\n // Query owner of tokenId\n address owner = getERC721TokenOwner(token, tokenId);\n\n // Set balance to 1 if tokenId is owned by target\n balance = target == owner ? 1 : 0;\n\n // Check if ERC721Proxy is approved to spend tokenId\n bool isApproved = IERC721Token(token).isApprovedForAll(target, assetProxy) || IERC721Token(token).getApproved(tokenId) == assetProxy;\n \n // Set alowance to 1 if ERC721Proxy is approved to spend tokenId\n allowance = isApproved ? 1 : 0;\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n return (balance, allowance);\n }\n\n /// @dev Fetches token balances and allowances of an address for each given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Array of encoded byte arrays that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balances and allowances of assets.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalancesAndAllowances(address target, bytes[] memory assetData)\n public\n view\n returns (uint256[] memory, uint256[] memory)\n {\n uint256 length = assetData.length;\n uint256[] memory balances = new uint256[](length);\n uint256[] memory allowances = new uint256[](length);\n for (uint256 i = 0; i != length; i++) {\n (balances[i], allowances[i]) = getBalanceAndAllowance(target, assetData[i]);\n }\n return (balances, allowances);\n }\n\n /// @dev Calls `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token.\n /// @param token Address of ERC721 token.\n /// @param tokenId The identifier for the specific NFT.\n /// @return Owner of tokenId or null address if unowned.\n function getERC721TokenOwner(address token, uint256 tokenId)\n public\n view\n returns (address owner)\n {\n assembly {\n // load free memory pointer\n let cdStart := mload(64)\n\n // bytes4(keccak256(ownerOf(uint256))) = 0x6352211e\n mstore(cdStart, 0x6352211e00000000000000000000000000000000000000000000000000000000)\n mstore(add(cdStart, 4), tokenId)\n\n // staticcall `ownerOf(tokenId)`\n // `ownerOf` will revert if tokenId is not owned\n let success := staticcall(\n gas, // forward all gas\n token, // call token contract\n cdStart, // start of calldata\n 36, // length of input is 36 bytes\n cdStart, // write output over input\n 32 // size of output is 32 bytes\n )\n\n // Success implies that tokenId is owned\n // Copy owner from return data if successful\n if success {\n owner := mload(cdStart)\n } \n }\n\n // Owner initialized to address(0), no need to modify if call is unsuccessful\n return owner;\n }\n}\n", + "2.0.0/multisig/MultiSigWallet.sol": "// solhint-disable\npragma solidity ^0.4.15;\n\n\n/// @title Multisignature wallet - Allows multiple parties to agree on transactions before execution.\n/// @author Stefan George - \ncontract MultiSigWallet {\n\n /*\n * Events\n */\n event Confirmation(address indexed sender, uint indexed transactionId);\n event Revocation(address indexed sender, uint indexed transactionId);\n event Submission(uint indexed transactionId);\n event Execution(uint indexed transactionId);\n event ExecutionFailure(uint indexed transactionId);\n event Deposit(address indexed sender, uint value);\n event OwnerAddition(address indexed owner);\n event OwnerRemoval(address indexed owner);\n event RequirementChange(uint required);\n\n /*\n * Constants\n */\n uint constant public MAX_OWNER_COUNT = 50;\n\n /*\n * Storage\n */\n mapping (uint => Transaction) public transactions;\n mapping (uint => mapping (address => bool)) public confirmations;\n mapping (address => bool) public isOwner;\n address[] public owners;\n uint public required;\n uint public transactionCount;\n\n struct Transaction {\n address destination;\n uint value;\n bytes data;\n bool executed;\n }\n\n /*\n * Modifiers\n */\n modifier onlyWallet() {\n require(msg.sender == address(this));\n _;\n }\n\n modifier ownerDoesNotExist(address owner) {\n require(!isOwner[owner]);\n _;\n }\n\n modifier ownerExists(address owner) {\n require(isOwner[owner]);\n _;\n }\n\n modifier transactionExists(uint transactionId) {\n require(transactions[transactionId].destination != 0);\n _;\n }\n\n modifier confirmed(uint transactionId, address owner) {\n require(confirmations[transactionId][owner]);\n _;\n }\n\n modifier notConfirmed(uint transactionId, address owner) {\n require(!confirmations[transactionId][owner]);\n _;\n }\n\n modifier notExecuted(uint transactionId) {\n require(!transactions[transactionId].executed);\n _;\n }\n\n modifier notNull(address _address) {\n require(_address != 0);\n _;\n }\n\n modifier validRequirement(uint ownerCount, uint _required) {\n require(ownerCount <= MAX_OWNER_COUNT\n && _required <= ownerCount\n && _required != 0\n && ownerCount != 0);\n _;\n }\n\n /// @dev Fallback function allows to deposit ether.\n function()\n payable\n {\n if (msg.value > 0)\n Deposit(msg.sender, msg.value);\n }\n\n /*\n * Public functions\n */\n /// @dev Contract constructor sets initial owners and required number of confirmations.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n function MultiSigWallet(address[] _owners, uint _required)\n public\n validRequirement(_owners.length, _required)\n {\n for (uint i=0; i<_owners.length; i++) {\n require(!isOwner[_owners[i]] && _owners[i] != 0);\n isOwner[_owners[i]] = true;\n }\n owners = _owners;\n required = _required;\n }\n\n /// @dev Allows to add a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of new owner.\n function addOwner(address owner)\n public\n onlyWallet\n ownerDoesNotExist(owner)\n notNull(owner)\n validRequirement(owners.length + 1, required)\n {\n isOwner[owner] = true;\n owners.push(owner);\n OwnerAddition(owner);\n }\n\n /// @dev Allows to remove an owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner.\n function removeOwner(address owner)\n public\n onlyWallet\n ownerExists(owner)\n {\n isOwner[owner] = false;\n for (uint i=0; i owners.length)\n changeRequirement(owners.length);\n OwnerRemoval(owner);\n }\n\n /// @dev Allows to replace an owner with a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner to be replaced.\n /// @param newOwner Address of new owner.\n function replaceOwner(address owner, address newOwner)\n public\n onlyWallet\n ownerExists(owner)\n ownerDoesNotExist(newOwner)\n {\n for (uint i=0; i\n// solhint-disable not-rely-on-time\ncontract MultiSigWalletWithTimeLock is\n MultiSigWallet\n{\n event ConfirmationTimeSet(uint256 indexed transactionId, uint256 confirmationTime);\n event TimeLockChange(uint256 secondsTimeLocked);\n\n uint256 public secondsTimeLocked;\n\n mapping (uint256 => uint256) public confirmationTimes;\n\n modifier notFullyConfirmed(uint256 transactionId) {\n require(\n !isConfirmed(transactionId),\n \"TX_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier fullyConfirmed(uint256 transactionId) {\n require(\n isConfirmed(transactionId),\n \"TX_NOT_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier pastTimeLock(uint256 transactionId) {\n require(\n block.timestamp >= confirmationTimes[transactionId] + secondsTimeLocked,\n \"TIME_LOCK_INCOMPLETE\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations, and time lock.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] _owners,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWallet(_owners, _required)\n {\n secondsTimeLocked = _secondsTimeLocked;\n }\n\n /// @dev Changes the duration of the time lock for transactions.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n function changeTimeLock(uint256 _secondsTimeLocked)\n public\n onlyWallet\n {\n secondsTimeLocked = _secondsTimeLocked;\n emit TimeLockChange(_secondsTimeLocked);\n }\n\n /// @dev Allows an owner to confirm a transaction.\n /// @param transactionId Transaction ID.\n function confirmTransaction(uint256 transactionId)\n public\n ownerExists(msg.sender)\n transactionExists(transactionId)\n notConfirmed(transactionId, msg.sender)\n notFullyConfirmed(transactionId)\n {\n confirmations[transactionId][msg.sender] = true;\n emit Confirmation(msg.sender, transactionId);\n if (isConfirmed(transactionId)) {\n setConfirmationTime(transactionId, block.timestamp);\n }\n }\n\n /// @dev Allows anyone to execute a confirmed transaction.\n /// @param transactionId Transaction ID.\n function executeTransaction(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n pastTimeLock(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n\n /// @dev Sets the time of when a submission first passed.\n function setConfirmationTime(uint256 transactionId, uint256 confirmationTime)\n internal\n {\n confirmationTimes[transactionId] = confirmationTime;\n emit ConfirmationTimeSet(transactionId, confirmationTime);\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC20Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n \n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 1 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n\n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. amount |\n\n /////// Read token address from calldata ///////\n // * The token address is stored in `assetData`.\n //\n // * The \"offset to assetData\" is stored at offset 4 in the calldata (table 1).\n // [assetDataOffsetFromParams = calldataload(4)]\n //\n // * Notes that the \"offset to assetData\" is relative to the \"Params\" area of calldata;\n // add 4 bytes to account for the length of the \"Header\" area (table 1).\n // [assetDataOffsetFromHeader = assetDataOffsetFromParams + 4]\n //\n // * The \"token address\" is offset 32+4=36 bytes into \"assetData\" (tables 1 & 2).\n // [tokenOffset = assetDataOffsetFromHeader + 36 = calldataload(4) + 4 + 36]\n let token := calldataload(add(calldataload(4), 40))\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from`, `to` and `amount` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 96)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output over input\n 32 // output size should be 32 bytes\n )\n\n /////// Check return data. ///////\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // nonzero 32 bytes value.\n // So the transfer succeeded if the call succeeded and either\n // returned nothing, or returned a non-zero 32 byte value. \n success := and(success, or(\n iszero(returndatasize),\n and(\n eq(returndatasize, 32),\n gt(mload(0), 0)\n )\n ))\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC721Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 2 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n // | | 36 | | 2. tokenId |\n \n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. tokenId |\n\n // There exists only 1 of each token.\n // require(amount == 1, \"INVALID_AMOUNT\")\n if sub(calldataload(100), 1) {\n // Revert with `Error(\"INVALID_AMOUNT\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from` and `to` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 64)\n\n // Copy `tokenId` field from our own calldata to the new calldata.\n let assetDataOffset := calldataload(4)\n calldatacopy(68, add(assetDataOffset, 72), 32)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let token := calldataload(add(assetDataOffset, 40))\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output to null\n 0 // output size is 0 bytes\n )\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAuthorizable.sol\";\n\n\ncontract MixinAuthorizable is\n Ownable,\n MAuthorizable\n{\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized {\n require(\n authorized[msg.sender],\n \"SENDER_NOT_AUTHORIZED\"\n );\n _;\n }\n\n mapping (address => bool) public authorized;\n address[] public authorities;\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n !authorized[target],\n \"TARGET_ALREADY_AUTHORIZED\"\n );\n\n authorized[target] = true;\n authorities.push(target);\n emit AuthorizedAddressAdded(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n\n delete authorized[target];\n for (uint256 i = 0; i < authorities.length; i++) {\n if (authorities[i] == target) {\n authorities[i] = authorities[authorities.length - 1];\n authorities.length -= 1;\n break;\n }\n }\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n require(\n index < authorities.length,\n \"INDEX_OUT_OF_BOUNDS\"\n );\n require(\n authorities[index] == target,\n \"AUTHORIZED_ADDRESS_MISMATCH\"\n );\n\n delete authorized[target];\n authorities[index] = authorities[authorities.length - 1];\n authorities.length -= 1;\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory)\n {\n return authorities;\n }\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IAuthorizable.sol\";\n\n\ncontract IAssetProxy is\n IAuthorizable\n{\n /// @dev Transfers assets. Either succeeds or throws.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n function transferFrom(\n bytes assetData,\n address from,\n address to,\n uint256 amount\n )\n external;\n \n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4);\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/Ownable/IOwnable.sol\";\n\n\ncontract IAuthorizable is\n IOwnable\n{\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external;\n \n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory);\n}\n", + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAuthorizable.sol\";\n\n\ncontract MAuthorizable is\n IAuthorizable\n{\n // Event logged when a new address is authorized.\n event AuthorizedAddressAdded(\n address indexed target,\n address indexed caller\n );\n\n // Event logged when a currently authorized address is unauthorized.\n event AuthorizedAddressRemoved(\n address indexed target,\n address indexed caller\n );\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized { revert(); _; }\n}\n", + "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../multisig/MultiSigWalletWithTimeLock.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract AssetProxyOwner is\n MultiSigWalletWithTimeLock\n{\n using LibBytes for bytes;\n\n event AssetProxyRegistration(address assetProxyContract, bool isRegistered);\n\n // Mapping of AssetProxy contract address =>\n // if this contract is allowed to call the AssetProxy's `removeAuthorizedAddressAtIndex` method without a time lock.\n mapping (address => bool) public isAssetProxyRegistered;\n\n bytes4 constant internal REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR = bytes4(keccak256(\"removeAuthorizedAddressAtIndex(address,uint256)\"));\n\n /// @dev Function will revert if the transaction does not call `removeAuthorizedAddressAtIndex`\n /// on an approved AssetProxy contract.\n modifier validRemoveAuthorizedAddressAtIndexTx(uint256 transactionId) {\n Transaction storage txn = transactions[transactionId];\n require(\n isAssetProxyRegistered[txn.destination],\n \"UNREGISTERED_ASSET_PROXY\"\n );\n require(\n txn.data.readBytes4(0) == REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR,\n \"INVALID_FUNCTION_SELECTOR\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations,\n /// time lock, and list of AssetProxy addresses.\n /// @param _owners List of initial owners.\n /// @param _assetProxyContracts Array of AssetProxy contract addresses.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] memory _owners,\n address[] memory _assetProxyContracts,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWalletWithTimeLock(_owners, _required, _secondsTimeLocked)\n {\n for (uint256 i = 0; i < _assetProxyContracts.length; i++) {\n address assetProxy = _assetProxyContracts[i];\n require(\n assetProxy != address(0),\n \"INVALID_ASSET_PROXY\"\n );\n isAssetProxyRegistered[assetProxy] = true;\n }\n }\n\n /// @dev Registers or deregisters an AssetProxy to be able to execute\n /// `removeAuthorizedAddressAtIndex` without a timelock.\n /// @param assetProxyContract Address of AssetProxy contract.\n /// @param isRegistered Status of approval for AssetProxy contract.\n function registerAssetProxy(address assetProxyContract, bool isRegistered)\n public\n onlyWallet\n notNull(assetProxyContract)\n {\n isAssetProxyRegistered[assetProxyContract] = isRegistered;\n emit AssetProxyRegistration(assetProxyContract, isRegistered);\n }\n\n /// @dev Allows execution of `removeAuthorizedAddressAtIndex` without time lock.\n /// @param transactionId Transaction ID.\n function executeRemoveAuthorizedAddressAtIndex(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n validRemoveAuthorizedAddressAtIndexTx(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n}\n", + "2.0.0/protocol/Exchange/Exchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinExchangeCore.sol\";\nimport \"./MixinSignatureValidator.sol\";\nimport \"./MixinWrapperFunctions.sol\";\nimport \"./MixinAssetProxyDispatcher.sol\";\nimport \"./MixinTransactions.sol\";\nimport \"./MixinMatchOrders.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Exchange is\n MixinExchangeCore,\n MixinMatchOrders,\n MixinSignatureValidator,\n MixinTransactions,\n MixinAssetProxyDispatcher,\n MixinWrapperFunctions\n{\n string constant public VERSION = \"2.0.1-alpha\";\n\n // Mixins are instantiated in the order they are inherited\n constructor (bytes memory _zrxAssetData)\n public\n LibConstants(_zrxAssetData) // @TODO: Remove when we deploy.\n MixinExchangeCore()\n MixinMatchOrders()\n MixinSignatureValidator()\n MixinTransactions()\n MixinAssetProxyDispatcher()\n MixinWrapperFunctions()\n {}\n}\n", + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\nimport \"../AssetProxy/interfaces/IAssetProxy.sol\";\n\n\ncontract MixinAssetProxyDispatcher is\n Ownable,\n MAssetProxyDispatcher\n{\n // Mapping from Asset Proxy Id's to their respective Asset Proxy\n mapping (bytes4 => IAssetProxy) public assetProxies;\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external\n onlyOwner\n {\n IAssetProxy assetProxyContract = IAssetProxy(assetProxy);\n\n // Ensure that no asset proxy exists with current id.\n bytes4 assetProxyId = assetProxyContract.getProxyId();\n address currentAssetProxy = assetProxies[assetProxyId];\n require(\n currentAssetProxy == address(0),\n \"ASSET_PROXY_ALREADY_EXISTS\"\n );\n\n // Add asset proxy and log registration.\n assetProxies[assetProxyId] = assetProxyContract;\n emit AssetProxyRegistered(\n assetProxyId,\n assetProxy\n );\n }\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address)\n {\n return assetProxies[assetProxyId];\n }\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal\n {\n // Do nothing if no amount should be transferred.\n if (amount > 0 && from != to) {\n // Ensure assetData length is valid\n require(\n assetData.length > 3,\n \"LENGTH_GREATER_THAN_3_REQUIRED\"\n );\n \n // Lookup assetProxy. We do not use `LibBytes.readBytes4` for gas efficiency reasons.\n bytes4 assetProxyId;\n assembly {\n assetProxyId := and(mload(\n add(assetData, 32)),\n 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000\n )\n }\n address assetProxy = assetProxies[assetProxyId];\n\n // Ensure that assetProxy exists\n require(\n assetProxy != address(0),\n \"ASSET_PROXY_DOES_NOT_EXIST\"\n );\n \n // We construct calldata for the `assetProxy.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n\n assembly {\n /////// Setup State ///////\n // `cdStart` is the start of the calldata for `assetProxy.transferFrom` (equal to free memory ptr).\n let cdStart := mload(64)\n // `dataAreaLength` is the total number of words needed to store `assetData`\n // As-per the ABI spec, this value is padded up to the nearest multiple of 32,\n // and includes 32-bytes for length.\n let dataAreaLength := and(add(mload(assetData), 63), 0xFFFFFFFFFFFE0)\n // `cdEnd` is the end of the calldata for `assetProxy.transferFrom`.\n let cdEnd := add(cdStart, add(132, dataAreaLength))\n\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFromSelector`.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes.\n // Notes:\n // 1. The offset to `assetData` is the length of the Params Area (128 bytes).\n // 2. A 20-byte mask is applied to addresses to zero-out the unused bytes.\n mstore(add(cdStart, 4), 128)\n mstore(add(cdStart, 36), and(from, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 68), and(to, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 100), amount)\n \n /////// Setup Data Area ///////\n // This area holds `assetData`.\n let dataArea := add(cdStart, 132)\n // solhint-disable-next-line no-empty-blocks\n for {} lt(dataArea, cdEnd) {} {\n mstore(dataArea, mload(assetData))\n dataArea := add(dataArea, 32)\n assetData := add(assetData, 32)\n }\n\n /////// Call `assetProxy.transferFrom` using the constructed calldata ///////\n let success := call(\n gas, // forward all gas\n assetProxy, // call address of asset proxy\n 0, // don't send any ETH\n cdStart, // pointer to start of input\n sub(cdEnd, cdStart), // length of input \n cdStart, // write output over input\n 512 // reserve 512 bytes for output\n )\n if iszero(success) {\n revert(cdStart, returndatasize())\n }\n }\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinExchangeCore is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n LibOrder,\n LibFillResults,\n MAssetProxyDispatcher,\n MExchangeCore,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of orderHash => amount of takerAsset already bought by maker\n mapping (bytes32 => uint256) public filled;\n\n // Mapping of orderHash => cancelled\n mapping (bytes32 => bool) public cancelled;\n\n // Mapping of makerAddress => senderAddress => lowest salt an order can have in order to be fillable\n // Orders with specified senderAddress and with a salt less than their epoch are considered cancelled\n mapping (address => mapping (address => uint256)) public orderEpoch;\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external\n nonReentrant\n {\n address makerAddress = getCurrentContextAddress();\n // If this function is called via `executeTransaction`, we only update the orderEpoch for the makerAddress/msg.sender combination.\n // This allows external filter contracts to add rules to how orders are cancelled via this function.\n address senderAddress = makerAddress == msg.sender ? address(0) : msg.sender;\n\n // orderEpoch is initialized to 0, so to cancelUpTo we need salt + 1\n uint256 newOrderEpoch = targetOrderEpoch + 1; \n uint256 oldOrderEpoch = orderEpoch[makerAddress][senderAddress];\n\n // Ensure orderEpoch is monotonically increasing\n require(\n newOrderEpoch > oldOrderEpoch, \n \"INVALID_NEW_ORDER_EPOCH\"\n );\n\n // Update orderEpoch\n orderEpoch[makerAddress][senderAddress] = newOrderEpoch;\n emit CancelUpTo(\n makerAddress,\n senderAddress,\n newOrderEpoch\n );\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrder(Order memory order)\n public\n nonReentrant\n {\n cancelOrderInternal(order);\n }\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(Order memory order)\n public\n view\n returns (OrderInfo memory orderInfo)\n {\n // Compute the order hash\n orderInfo.orderHash = getOrderHash(order);\n\n // Fetch filled amount\n orderInfo.orderTakerAssetFilledAmount = filled[orderInfo.orderHash];\n\n // If order.makerAssetAmount is zero, we also reject the order.\n // While the Exchange contract handles them correctly, they create\n // edge cases in the supporting infrastructure because they have\n // an 'infinite' price when computed by a simple division.\n if (order.makerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_MAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // If order.takerAssetAmount is zero, then the order will always\n // be considered filled because 0 == takerAssetAmount == orderTakerAssetFilledAmount\n // Instead of distinguishing between unfilled and filled zero taker\n // amount orders, we choose not to support them.\n if (order.takerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_TAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // Validate order availability\n if (orderInfo.orderTakerAssetFilledAmount >= order.takerAssetAmount) {\n orderInfo.orderStatus = uint8(OrderStatus.FULLY_FILLED);\n return orderInfo;\n }\n\n // Validate order expiration\n // solhint-disable-next-line not-rely-on-time\n if (block.timestamp >= order.expirationTimeSeconds) {\n orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);\n return orderInfo;\n }\n\n // Check if order has been cancelled\n if (cancelled[orderInfo.orderHash]) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n if (orderEpoch[order.makerAddress][order.senderAddress] > order.salt) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n\n // All other statuses are ruled out: order is Fillable\n orderInfo.orderStatus = uint8(OrderStatus.FILLABLE);\n return orderInfo;\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // Fetch order info\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Assert that the order is fillable by taker\n assertFillableOrder(\n order,\n orderInfo,\n takerAddress,\n signature\n );\n \n // Get amount of takerAsset to fill\n uint256 remainingTakerAssetAmount = safeSub(order.takerAssetAmount, orderInfo.orderTakerAssetFilledAmount);\n uint256 takerAssetFilledAmount = min256(takerAssetFillAmount, remainingTakerAssetAmount);\n\n // Validate context\n assertValidFill(\n order,\n orderInfo,\n takerAssetFillAmount,\n takerAssetFilledAmount,\n fillResults.makerAssetFilledAmount\n );\n\n // Compute proportional fill amounts\n fillResults = calculateFillResults(order, takerAssetFilledAmount);\n\n // Update exchange internal state\n updateFilledState(\n order,\n takerAddress,\n orderInfo.orderHash,\n orderInfo.orderTakerAssetFilledAmount,\n fillResults\n );\n \n // Settle order\n settleOrder(\n order,\n takerAddress,\n fillResults\n );\n\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrderInternal(Order memory order)\n internal\n {\n // Fetch current order status\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Validate context\n assertValidCancel(order, orderInfo);\n\n // Perform cancel\n updateCancelledState(order, orderInfo.orderHash);\n }\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n function updateFilledState(\n Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n FillResults memory fillResults\n )\n internal\n {\n // Update state\n filled[orderHash] = safeAdd(orderTakerAssetFilledAmount, fillResults.takerAssetFilledAmount);\n\n // Log order\n emit Fill(\n order.makerAddress,\n order.feeRecipientAddress,\n takerAddress,\n msg.sender,\n fillResults.makerAssetFilledAmount,\n fillResults.takerAssetFilledAmount,\n fillResults.makerFeePaid,\n fillResults.takerFeePaid,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n Order memory order,\n bytes32 orderHash\n )\n internal\n {\n // Perform cancel\n cancelled[orderHash] = true;\n\n // Log cancel\n emit Cancel(\n order.makerAddress,\n order.feeRecipientAddress,\n msg.sender,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n Order memory order,\n OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view\n {\n // An order can only be filled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n \n // Validate sender is allowed to fill this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n \n // Validate taker is allowed to fill this order\n if (order.takerAddress != address(0)) {\n require(\n order.takerAddress == takerAddress,\n \"INVALID_TAKER\"\n );\n }\n \n // Validate Maker signature (check only if first time seen)\n if (orderInfo.orderTakerAssetFilledAmount == 0) {\n require(\n isValidSignature(\n orderInfo.orderHash,\n order.makerAddress,\n signature\n ),\n \"INVALID_ORDER_SIGNATURE\"\n );\n }\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n Order memory order,\n OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount, // TODO: use FillResults\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view\n {\n // Revert if fill amount is invalid\n // TODO: reconsider necessity for v2.1\n require(\n takerAssetFillAmount != 0,\n \"INVALID_TAKER_AMOUNT\"\n );\n \n // Make sure taker does not pay more than desired amount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n takerAssetFilledAmount <= takerAssetFillAmount,\n \"TAKER_OVERPAY\"\n );\n \n // Make sure order is not overfilled\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeAdd(orderInfo.orderTakerAssetFilledAmount, takerAssetFilledAmount) <= order.takerAssetAmount,\n \"ORDER_OVERFILL\"\n );\n \n // Make sure order is filled at acceptable price.\n // The order has an implied price from the makers perspective:\n // order price = order.makerAssetAmount / order.takerAssetAmount\n // i.e. the number of makerAsset maker is paying per takerAsset. The\n // maker is guaranteed to get this price or a better (lower) one. The\n // actual price maker is getting in this fill is:\n // fill price = makerAssetFilledAmount / takerAssetFilledAmount\n // We need `fill price <= order price` for the fill to be fair to maker.\n // This amounts to:\n // makerAssetFilledAmount order.makerAssetAmount\n // ------------------------ <= -----------------------\n // takerAssetFilledAmount order.takerAssetAmount\n // or, equivalently:\n // makerAssetFilledAmount * order.takerAssetAmount <=\n // order.makerAssetAmount * takerAssetFilledAmount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeMul(makerAssetFilledAmount, order.takerAssetAmount)\n <= \n safeMul(order.makerAssetAmount, takerAssetFilledAmount),\n \"INVALID_FILL_PRICE\"\n );\n }\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n Order memory order,\n OrderInfo memory orderInfo\n )\n internal\n view\n {\n // Ensure order is valid\n // An order can only be cancelled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Validate sender is allowed to cancel this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate transaction signed by maker\n address makerAddress = getCurrentContextAddress();\n require(\n order.makerAddress == makerAddress,\n \"INVALID_MAKER\"\n );\n }\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (FillResults memory fillResults)\n {\n // Compute proportional transfer amounts\n fillResults.takerAssetFilledAmount = takerAssetFilledAmount;\n fillResults.makerAssetFilledAmount = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n );\n fillResults.makerFeePaid = safeGetPartialAmountFloor(\n fillResults.makerAssetFilledAmount,\n order.makerAssetAmount,\n order.makerFee\n );\n fillResults.takerFeePaid = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.takerFee\n );\n\n return fillResults;\n }\n\n /// @dev Settles an order by transferring assets between counterparties.\n /// @param order Order struct containing order specifications.\n /// @param takerAddress Address selling takerAsset and buying makerAsset.\n /// @param fillResults Amounts to be filled and fees paid by maker and taker.\n function settleOrder(\n LibOrder.Order memory order,\n address takerAddress,\n LibFillResults.FillResults memory fillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n dispatchTransferFrom(\n order.makerAssetData,\n order.makerAddress,\n takerAddress,\n fillResults.makerAssetFilledAmount\n );\n dispatchTransferFrom(\n order.takerAssetData,\n takerAddress,\n order.makerAddress,\n fillResults.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n zrxAssetData,\n order.makerAddress,\n order.feeRecipientAddress,\n fillResults.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n order.feeRecipientAddress,\n fillResults.takerFeePaid\n );\n }\n}\n", + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": "/*\n Copyright 2018 ZeroEx Intl.\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n http://www.apache.org/licenses/LICENSE-2.0\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MMatchOrders.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinMatchOrders is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n MAssetProxyDispatcher,\n MExchangeCore,\n MMatchOrders,\n MTransactions\n{\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n nonReentrant\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We assume that rightOrder.takerAssetData == leftOrder.makerAssetData and rightOrder.makerAssetData == leftOrder.takerAssetData.\n // If this assumption isn't true, the match will fail at signature validation.\n rightOrder.makerAssetData = leftOrder.takerAssetData;\n rightOrder.takerAssetData = leftOrder.makerAssetData;\n\n // Get left & right order info\n LibOrder.OrderInfo memory leftOrderInfo = getOrderInfo(leftOrder);\n LibOrder.OrderInfo memory rightOrderInfo = getOrderInfo(rightOrder);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Either our context is valid or we revert\n assertFillableOrder(\n leftOrder,\n leftOrderInfo,\n takerAddress,\n leftSignature\n );\n assertFillableOrder(\n rightOrder,\n rightOrderInfo,\n takerAddress,\n rightSignature\n );\n assertValidMatch(leftOrder, rightOrder);\n\n // Compute proportional fill amounts\n matchedFillResults = calculateMatchedFillResults(\n leftOrder,\n rightOrder,\n leftOrderInfo.orderTakerAssetFilledAmount,\n rightOrderInfo.orderTakerAssetFilledAmount\n );\n\n // Validate fill contexts\n assertValidFill(\n leftOrder,\n leftOrderInfo,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.makerAssetFilledAmount\n );\n assertValidFill(\n rightOrder,\n rightOrderInfo,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n \n // Update exchange state\n updateFilledState(\n leftOrder,\n takerAddress,\n leftOrderInfo.orderHash,\n leftOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.left\n );\n updateFilledState(\n rightOrder,\n takerAddress,\n rightOrderInfo.orderHash,\n rightOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.right\n );\n\n // Settle matched orders. Succeeds or throws.\n settleMatchedOrders(\n leftOrder,\n rightOrder,\n takerAddress,\n matchedFillResults\n );\n\n return matchedFillResults;\n }\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure\n {\n // Make sure there is a profitable spread.\n // There is a profitable spread iff the cost per unit bought (OrderA.MakerAmount/OrderA.TakerAmount) for each order is greater\n // than the profit per unit sold of the matched order (OrderB.TakerAmount/OrderB.MakerAmount).\n // This is satisfied by the equations below:\n // / >= / \n // AND\n // / >= / \n // These equations can be combined to get the following:\n require(\n safeMul(leftOrder.makerAssetAmount, rightOrder.makerAssetAmount) >=\n safeMul(leftOrder.takerAssetAmount, rightOrder.takerAssetAmount),\n \"NEGATIVE_SPREAD_REQUIRED\"\n );\n }\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // Derive maker asset amounts for left & right orders, given store taker assert amounts\n uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);\n uint256 leftMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n leftTakerAssetAmountRemaining\n );\n uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);\n uint256 rightMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n rightOrder.makerAssetAmount,\n rightOrder.takerAssetAmount,\n rightTakerAssetAmountRemaining\n );\n\n // Calculate fill results for maker and taker assets: at least one order will be fully filled.\n // The maximum amount the left maker can buy is `leftTakerAssetAmountRemaining`\n // The maximum amount the right maker can sell is `rightMakerAssetAmountRemaining`\n // We have two distinct cases for calculating the fill results:\n // Case 1.\n // If the left maker can buy more than the right maker can sell, then only the right order is fully filled.\n // If the left maker can buy exactly what the right maker can sell, then both orders are fully filled.\n // Case 2.\n // If the left maker cannot buy more than the right maker can sell, then only the left order is fully filled.\n if (leftTakerAssetAmountRemaining >= rightMakerAssetAmountRemaining) {\n // Case 1: Right order is fully filled\n matchedFillResults.right.makerAssetFilledAmount = rightMakerAssetAmountRemaining;\n matchedFillResults.right.takerAssetFilledAmount = rightTakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = matchedFillResults.right.makerAssetFilledAmount;\n // Round down to ensure the maker's exchange rate does not exceed the price specified by the order. \n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.left.makerAssetFilledAmount = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n matchedFillResults.left.takerAssetFilledAmount\n );\n } else {\n // Case 2: Left order is fully filled\n matchedFillResults.left.makerAssetFilledAmount = leftMakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = leftTakerAssetAmountRemaining;\n matchedFillResults.right.makerAssetFilledAmount = matchedFillResults.left.takerAssetFilledAmount;\n // Round up to ensure the maker's exchange rate does not exceed the price specified by the order.\n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.right.takerAssetFilledAmount = safeGetPartialAmountCeil(\n rightOrder.takerAssetAmount,\n rightOrder.makerAssetAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n }\n\n // Calculate amount given to taker\n matchedFillResults.leftMakerAssetSpreadAmount = safeSub(\n matchedFillResults.left.makerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount\n );\n\n // Compute fees for left order\n matchedFillResults.left.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.makerAssetFilledAmount,\n leftOrder.makerAssetAmount,\n leftOrder.makerFee\n );\n matchedFillResults.left.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.takerAssetFilledAmount,\n leftOrder.takerAssetAmount,\n leftOrder.takerFee\n );\n\n // Compute fees for right order\n matchedFillResults.right.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.makerAssetFilledAmount,\n rightOrder.makerAssetAmount,\n rightOrder.makerFee\n );\n matchedFillResults.right.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.takerAssetFilledAmount,\n rightOrder.takerAssetAmount,\n rightOrder.takerFee\n );\n\n // Return fill results\n return matchedFillResults;\n }\n\n /// @dev Settles matched order by transferring appropriate funds between order makers, taker, and fee recipient.\n /// @param leftOrder First matched order.\n /// @param rightOrder Second matched order.\n /// @param takerAddress Address that matched the orders. The taker receives the spread between orders as profit.\n /// @param matchedFillResults Struct holding amounts to transfer between makers, taker, and fee recipients.\n function settleMatchedOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n address takerAddress,\n LibFillResults.MatchedFillResults memory matchedFillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n // Order makers and taker\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n rightOrder.makerAddress,\n matchedFillResults.right.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n rightOrder.makerAssetData,\n rightOrder.makerAddress,\n leftOrder.makerAddress,\n matchedFillResults.left.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n takerAddress,\n matchedFillResults.leftMakerAssetSpreadAmount\n );\n\n // Maker fees\n dispatchTransferFrom(\n zrxAssetData,\n leftOrder.makerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n rightOrder.makerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.makerFeePaid\n );\n\n // Taker fees\n if (leftOrder.feeRecipientAddress == rightOrder.feeRecipientAddress) {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n safeAdd(\n matchedFillResults.left.takerFeePaid,\n matchedFillResults.right.takerFeePaid\n )\n );\n } else {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.takerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.takerFeePaid\n );\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./interfaces/IWallet.sol\";\nimport \"./interfaces/IValidator.sol\";\n\n\ncontract MixinSignatureValidator is\n ReentrancyGuard,\n MSignatureValidator,\n MTransactions\n{\n using LibBytes for bytes;\n \n // Mapping of hash => signer => signed\n mapping (bytes32 => mapping (address => bool)) public preSigned;\n\n // Mapping of signer => validator => approved\n mapping (address => mapping (address => bool)) public allowedValidators;\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n {\n if (signerAddress != msg.sender) {\n require(\n isValidSignature(\n hash,\n signerAddress,\n signature\n ),\n \"INVALID_SIGNATURE\"\n );\n }\n preSigned[hash][signerAddress] = true;\n }\n\n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external\n nonReentrant\n {\n address signerAddress = getCurrentContextAddress();\n allowedValidators[signerAddress][validatorAddress] = approval;\n emit SignatureValidatorApproval(\n signerAddress,\n validatorAddress,\n approval\n );\n }\n\n /// @dev Verifies that a hash has been signed by the given signer.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid)\n {\n require(\n signature.length > 0,\n \"LENGTH_GREATER_THAN_0_REQUIRED\"\n );\n\n // Pop last byte off of signature byte array.\n uint8 signatureTypeRaw = uint8(signature.popLastByte());\n\n // Ensure signature is supported\n require(\n signatureTypeRaw < uint8(SignatureType.NSignatureTypes),\n \"SIGNATURE_UNSUPPORTED\"\n );\n\n SignatureType signatureType = SignatureType(signatureTypeRaw);\n\n // Variables are not scoped in Solidity.\n uint8 v;\n bytes32 r;\n bytes32 s;\n address recovered;\n\n // Always illegal signature.\n // This is always an implicit option since a signer can create a\n // signature array with invalid type or length. We may as well make\n // it an explicit option. This aids testing and analysis. It is\n // also the initialization value for the enum type.\n if (signatureType == SignatureType.Illegal) {\n revert(\"SIGNATURE_ILLEGAL\");\n\n // Always invalid signature.\n // Like Illegal, this is always implicitly available and therefore\n // offered explicitly. It can be implicitly created by providing\n // a correctly formatted but incorrect signature.\n } else if (signatureType == SignatureType.Invalid) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = false;\n return isValid;\n\n // Signature using EIP712\n } else if (signatureType == SignatureType.EIP712) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n hash,\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signed using web3.eth_sign\n } else if (signatureType == SignatureType.EthSign) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n32\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signature verified by wallet contract.\n // If used with an order, the maker of the order is the wallet contract.\n } else if (signatureType == SignatureType.Wallet) {\n isValid = isValidWalletSignature(\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signature verified by validator contract.\n // If used with an order, the maker of the order can still be an EOA.\n // A signature using this type should be encoded as:\n // | Offset | Length | Contents |\n // | 0x00 | x | Signature to validate |\n // | 0x00 + x | 20 | Address of validator contract |\n // | 0x14 + x | 1 | Signature type is always \"\\x06\" |\n } else if (signatureType == SignatureType.Validator) {\n // Pop last 20 bytes off of signature byte array.\n address validatorAddress = signature.popLast20Bytes();\n \n // Ensure signer has approved validator.\n if (!allowedValidators[signerAddress][validatorAddress]) {\n return false;\n }\n isValid = isValidValidatorSignature(\n validatorAddress,\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signer signed hash previously using the preSign function.\n } else if (signatureType == SignatureType.PreSigned) {\n isValid = preSigned[hash][signerAddress];\n return isValid;\n }\n\n // Anything else is illegal (We do not return false because\n // the signature may actually be valid, just not in a format\n // that we currently support. In this case returning false\n // may lead the caller to incorrectly believe that the\n // signature was invalid.)\n revert(\"SIGNATURE_UNSUPPORTED\");\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if signature is valid for given wallet..\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IWallet(walletAddress).isValidSignature.selector,\n hash,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n walletAddress, // address of Wallet contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"WALLET_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000c57414c4c45545f4552524f5200000000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IValidator(signerAddress).isValidSignature.selector,\n hash,\n signerAddress,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n validatorAddress, // address of Validator contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"VALIDATOR_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f56414c494441544f525f4552524f5200000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n}\n", + "2.0.0/protocol/Exchange/MixinTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"./libs/LibExchangeErrors.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./libs/LibEIP712.sol\";\n\n\ncontract MixinTransactions is\n LibEIP712,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of transaction hash => executed\n // This prevents transactions from being executed more than once.\n mapping (bytes32 => bool) public transactions;\n\n // Address of current transaction signer\n address public currentContextAddress;\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external\n {\n // Prevent reentrancy\n require(\n currentContextAddress == address(0),\n \"REENTRANCY_ILLEGAL\"\n );\n\n bytes32 transactionHash = hashEIP712Message(hashZeroExTransaction(\n salt,\n signerAddress,\n data\n ));\n\n // Validate transaction has not been executed\n require(\n !transactions[transactionHash],\n \"INVALID_TX_HASH\"\n );\n\n // Transaction always valid if signer is sender of transaction\n if (signerAddress != msg.sender) {\n // Validate signature\n require(\n isValidSignature(\n transactionHash,\n signerAddress,\n signature\n ),\n \"INVALID_TX_SIGNATURE\"\n );\n\n // Set the current transaction signer\n currentContextAddress = signerAddress;\n }\n\n // Execute transaction\n transactions[transactionHash] = true;\n require(\n address(this).delegatecall(data),\n \"FAILED_EXECUTION\"\n );\n\n // Reset current transaction signer if it was previously updated\n if (signerAddress != msg.sender) {\n currentContextAddress = address(0);\n }\n }\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;\n bytes32 dataHash = keccak256(data);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,\n // salt,\n // bytes32(signerAddress),\n // keccak256(data)\n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, schemaHash) // hash of schema\n mstore(add(memPtr, 32), salt) // salt\n mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff)) // signerAddress\n mstore(add(memPtr, 96), dataHash) // hash of data\n\n // Compute hash\n result := keccak256(memPtr, 128)\n }\n return result;\n }\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address)\n {\n address currentContextAddress_ = currentContextAddress;\n address contextAddress = currentContextAddress_ == address(0) ? msg.sender : currentContextAddress_;\n return contextAddress;\n }\n}\n", + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibAbiEncoder.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MWrapperFunctions.sol\";\n\n\ncontract MixinWrapperFunctions is\n ReentrancyGuard,\n LibMath,\n LibFillResults,\n LibAbiEncoder,\n MExchangeCore,\n MWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrKillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n // Delegate to `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := delegatecall(\n gas, // forward all gas\n address, // call address of this contract\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrKillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n \n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public\n nonReentrant\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n cancelOrderInternal(orders[i]);\n }\n }\n\n /// @dev Fetches information for all passed in orders.\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n LibOrder.OrderInfo[] memory ordersInfo = new LibOrder.OrderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n ordersInfo[i] = getOrderInfo(orders[i]);\n }\n return ordersInfo;\n }\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n require(\n fillResults.takerAssetFilledAmount == takerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return fillResults;\n }\n}\n", + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssetProxyDispatcher {\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external;\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./IExchangeCore.sol\";\nimport \"./IMatchOrders.sol\";\nimport \"./ISignatureValidator.sol\";\nimport \"./ITransactions.sol\";\nimport \"./IAssetProxyDispatcher.sol\";\nimport \"./IWrapperFunctions.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract IExchange is\n IExchangeCore,\n IMatchOrders,\n ISignatureValidator,\n ITransactions,\n IAssetProxyDispatcher,\n IWrapperFunctions\n{}\n", + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IExchangeCore {\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external;\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrder(LibOrder.Order memory order)\n public;\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(LibOrder.Order memory order)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IMatchOrders {\n\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ISignatureValidator {\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external;\n \n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external;\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address of signer.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\n\ncontract ITransactions {\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external;\n}\n", + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IValidator {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IWallet {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IWrapperFunctions {\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public;\n\n /// @dev Fetches information for all passed in orders\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory);\n}\n", + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./LibOrder.sol\";\n\n\ncontract LibAbiEncoder {\n\n /// @dev ABI encodes calldata for `fillOrder`.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return ABI encoded calldata for `fillOrder`.\n function abiEncodeFillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n pure\n returns (bytes memory fillOrderCalldata)\n {\n // We need to call MExchangeCore.fillOrder using a delegatecall in\n // assembly so that we can intercept a call that throws. For this, we\n // need the input encoded in memory in the Ethereum ABIv2 format [1].\n\n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0x00 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 0x00 | | 1. offset to order (*) |\n // | | 0x20 | | 2. takerAssetFillAmount |\n // | | 0x40 | | 3. offset to signature (*) |\n // | Data | | 12 * 32 | order: |\n // | | 0x000 | | 1. senderAddress |\n // | | 0x020 | | 2. makerAddress |\n // | | 0x040 | | 3. takerAddress |\n // | | 0x060 | | 4. feeRecipientAddress |\n // | | 0x080 | | 5. makerAssetAmount |\n // | | 0x0A0 | | 6. takerAssetAmount |\n // | | 0x0C0 | | 7. makerFeeAmount |\n // | | 0x0E0 | | 8. takerFeeAmount |\n // | | 0x100 | | 9. expirationTimeSeconds |\n // | | 0x120 | | 10. salt |\n // | | 0x140 | | 11. Offset to makerAssetData (*) |\n // | | 0x160 | | 12. Offset to takerAssetData (*) |\n // | | 0x180 | 32 | makerAssetData Length |\n // | | 0x1A0 | ** | makerAssetData Contents |\n // | | 0x1C0 | 32 | takerAssetData Length |\n // | | 0x1E0 | ** | takerAssetData Contents |\n // | | 0x200 | 32 | signature Length |\n // | | 0x220 | ** | signature Contents |\n\n // * Offsets are calculated from the beginning of the current area: Header, Params, Data:\n // An offset stored in the Params area is calculated from the beginning of the Params section.\n // An offset stored in the Data area is calculated from the beginning of the Data section.\n\n // ** The length of dynamic array contents are stored in the field immediately preceeding the contents.\n\n // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html\n\n assembly {\n\n // Areas below may use the following variables:\n // 1. Start -- Start of this area in memory\n // 2. End -- End of this area in memory. This value may\n // be precomputed (before writing contents),\n // or it may be computed as contents are written.\n // 3. Offset -- Current offset into area. If an area's End\n // is precomputed, this variable tracks the\n // offsets of contents as they are written.\n\n /////// Setup Header Area ///////\n // Load free memory pointer\n fillOrderCalldata := mload(0x40)\n // bytes4(keccak256(\"fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)\"))\n // = 0xb4be83d5\n // Leave 0x20 bytes to store the length\n mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000)\n let headerAreaEnd := add(fillOrderCalldata, 0x24)\n\n /////// Setup Params Area ///////\n // This area is preallocated and written to later.\n // This is because we need to fill in offsets that have not yet been calculated.\n let paramsAreaStart := headerAreaEnd\n let paramsAreaEnd := add(paramsAreaStart, 0x60)\n let paramsAreaOffset := paramsAreaStart\n\n /////// Setup Data Area ///////\n let dataAreaStart := paramsAreaEnd\n let dataAreaEnd := dataAreaStart\n\n // Offset from the source data we're reading from\n let sourceOffset := order\n // arrayLenBytes and arrayLenWords track the length of a dynamically-allocated bytes array.\n let arrayLenBytes := 0\n let arrayLenWords := 0\n\n /////// Write order Struct ///////\n // Write memory location of Order, relative to the start of the\n // parameter list, then increment the paramsAreaOffset respectively.\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n // Write values for each field in the order\n // It would be nice to use a loop, but we save on gas by writing\n // the stores sequentially.\n mstore(dataAreaEnd, mload(sourceOffset)) // makerAddress\n mstore(add(dataAreaEnd, 0x20), mload(add(sourceOffset, 0x20))) // takerAddress\n mstore(add(dataAreaEnd, 0x40), mload(add(sourceOffset, 0x40))) // feeRecipientAddress\n mstore(add(dataAreaEnd, 0x60), mload(add(sourceOffset, 0x60))) // senderAddress\n mstore(add(dataAreaEnd, 0x80), mload(add(sourceOffset, 0x80))) // makerAssetAmount\n mstore(add(dataAreaEnd, 0xA0), mload(add(sourceOffset, 0xA0))) // takerAssetAmount\n mstore(add(dataAreaEnd, 0xC0), mload(add(sourceOffset, 0xC0))) // makerFeeAmount\n mstore(add(dataAreaEnd, 0xE0), mload(add(sourceOffset, 0xE0))) // takerFeeAmount\n mstore(add(dataAreaEnd, 0x100), mload(add(sourceOffset, 0x100))) // expirationTimeSeconds\n mstore(add(dataAreaEnd, 0x120), mload(add(sourceOffset, 0x120))) // salt\n mstore(add(dataAreaEnd, 0x140), mload(add(sourceOffset, 0x140))) // Offset to makerAssetData\n mstore(add(dataAreaEnd, 0x160), mload(add(sourceOffset, 0x160))) // Offset to takerAssetData\n dataAreaEnd := add(dataAreaEnd, 0x180)\n sourceOffset := add(sourceOffset, 0x180)\n\n // Write offset to \n mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x140)) // makerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Write offset to \n mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x160)) // takerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n /////// Write takerAssetFillAmount ///////\n mstore(paramsAreaOffset, takerAssetFillAmount)\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n /////// Write signature ///////\n // Write offset to paramsArea\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n\n // Calculate length of signature\n sourceOffset := signature\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of signature\n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of signature\n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Set length of calldata\n mstore(fillOrderCalldata, sub(dataAreaEnd, add(fillOrderCalldata, 0x20)))\n\n // Increment free memory pointer\n mstore(0x40, dataAreaEnd)\n }\n\n return fillOrderCalldata;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\n// solhint-disable max-line-length\ncontract LibConstants {\n \n // Asset data for ZRX token. Used for fee transfers.\n // @TODO: Hardcode constant when we deploy. Currently \n // not constant to make testing easier.\n\n // The proxyId for ZRX_ASSET_DATA is bytes4(keccak256(\"ERC20Token(address)\")) = 0xf47261b0\n \n // Kovan ZRX address is 0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570.\n // The ABI encoded proxyId and address is 0xf47261b00000000000000000000000006ff6c0ff1d68b964901f986d4c9fa3ac68346570\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x6f\\xf6\\xc0\\xff\\x1d\\x68\\xb9\\x64\\x90\\x1f\\x98\\x6d\\x4c\\x9f\\xa3\\xac\\x68\\x34\\x65\\x70\";\n \n // Mainnet ZRX address is 0xe41d2489571d322189246dafa5ebde1f4699f498.\n // The ABI encoded proxyId and address is 0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xe4\\x1d\\x24\\x89\\x57\\x1d\\x32\\x21\\x89\\x24\\x6d\\xaf\\xa5\\xeb\\xde\\x1f\\x46\\x99\\xf4\\x98\";\n \n // solhint-disable-next-line var-name-mixedcase\n bytes public ZRX_ASSET_DATA;\n\n // @TODO: Remove when we deploy.\n constructor (bytes memory zrxAssetData)\n public\n {\n ZRX_ASSET_DATA = zrxAssetData;\n }\n}\n// solhint-enable max-line-length\n", + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract LibEIP712 {\n\n // EIP191 header for EIP712 prefix\n string constant internal EIP191_HEADER = \"\\x19\\x01\";\n\n // EIP712 Domain Name value\n string constant internal EIP712_DOMAIN_NAME = \"0x Protocol\";\n\n // EIP712 Domain Version value\n string constant internal EIP712_DOMAIN_VERSION = \"2\";\n\n // Hash of the EIP712 Domain Separator Schema\n bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"EIP712Domain(\",\n \"string name,\",\n \"string version,\",\n \"address verifyingContract\",\n \")\"\n ));\n\n // Hash of the EIP712 Domain Separator data\n // solhint-disable-next-line var-name-mixedcase\n bytes32 public EIP712_DOMAIN_HASH;\n\n constructor ()\n public\n {\n EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(\n EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,\n keccak256(bytes(EIP712_DOMAIN_NAME)),\n keccak256(bytes(EIP712_DOMAIN_VERSION)),\n bytes32(address(this))\n ));\n }\n\n /// @dev Calculates EIP712 encoding for a hash struct in this EIP712 Domain.\n /// @param hashStruct The EIP712 hash struct.\n /// @return EIP712 hash applied to this EIP712 Domain.\n function hashEIP712Message(bytes32 hashStruct)\n internal\n view\n returns (bytes32 result)\n {\n bytes32 eip712DomainHash = EIP712_DOMAIN_HASH;\n\n // Assembly for more efficient computing:\n // keccak256(abi.encodePacked(\n // EIP191_HEADER,\n // EIP712_DOMAIN_HASH,\n // hashStruct \n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, 0x1901000000000000000000000000000000000000000000000000000000000000) // EIP191 header\n mstore(add(memPtr, 2), eip712DomainHash) // EIP712 domain hash\n mstore(add(memPtr, 34), hashStruct) // Hash of struct\n\n // Compute hash\n result := keccak256(memPtr, 66)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity 0.4.24;\n\n\n/// @dev This contract documents the revert reasons used in the Exchange contract.\n/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons.\ncontract LibExchangeErrors {\n\n /// Order validation errors ///\n string constant ORDER_UNFILLABLE = \"ORDER_UNFILLABLE\"; // Order cannot be filled.\n string constant INVALID_MAKER = \"INVALID_MAKER\"; // Invalid makerAddress.\n string constant INVALID_TAKER = \"INVALID_TAKER\"; // Invalid takerAddress.\n string constant INVALID_SENDER = \"INVALID_SENDER\"; // Invalid `msg.sender`.\n string constant INVALID_ORDER_SIGNATURE = \"INVALID_ORDER_SIGNATURE\"; // Signature validation failed. \n \n /// fillOrder validation errors ///\n string constant INVALID_TAKER_AMOUNT = \"INVALID_TAKER_AMOUNT\"; // takerAssetFillAmount cannot equal 0.\n string constant ROUNDING_ERROR = \"ROUNDING_ERROR\"; // Rounding error greater than 0.1% of takerAssetFillAmount. \n \n /// Signature validation errors ///\n string constant INVALID_SIGNATURE = \"INVALID_SIGNATURE\"; // Signature validation failed. \n string constant SIGNATURE_ILLEGAL = \"SIGNATURE_ILLEGAL\"; // Signature type is illegal.\n string constant SIGNATURE_UNSUPPORTED = \"SIGNATURE_UNSUPPORTED\"; // Signature type unsupported.\n \n /// cancelOrdersUptTo errors ///\n string constant INVALID_NEW_ORDER_EPOCH = \"INVALID_NEW_ORDER_EPOCH\"; // Specified salt must be greater than or equal to existing orderEpoch.\n\n /// fillOrKillOrder errors ///\n string constant COMPLETE_FILL_FAILED = \"COMPLETE_FILL_FAILED\"; // Desired takerAssetFillAmount could not be completely filled. \n\n /// matchOrders errors ///\n string constant NEGATIVE_SPREAD_REQUIRED = \"NEGATIVE_SPREAD_REQUIRED\"; // Matched orders must have a negative spread.\n\n /// Transaction errors ///\n string constant REENTRANCY_ILLEGAL = \"REENTRANCY_ILLEGAL\"; // Recursive reentrancy is not allowed. \n string constant INVALID_TX_HASH = \"INVALID_TX_HASH\"; // Transaction has already been executed. \n string constant INVALID_TX_SIGNATURE = \"INVALID_TX_SIGNATURE\"; // Signature validation failed. \n string constant FAILED_EXECUTION = \"FAILED_EXECUTION\"; // Transaction execution failed. \n \n /// registerAssetProxy errors ///\n string constant ASSET_PROXY_ALREADY_EXISTS = \"ASSET_PROXY_ALREADY_EXISTS\"; // AssetProxy with same id already exists.\n\n /// dispatchTransferFrom errors ///\n string constant ASSET_PROXY_DOES_NOT_EXIST = \"ASSET_PROXY_DOES_NOT_EXIST\"; // No assetProxy registered at given id.\n string constant TRANSFER_FAILED = \"TRANSFER_FAILED\"; // Asset transfer unsuccesful.\n\n /// Length validation errors ///\n string constant LENGTH_GREATER_THAN_0_REQUIRED = \"LENGTH_GREATER_THAN_0_REQUIRED\"; // Byte array must have a length greater than 0.\n string constant LENGTH_GREATER_THAN_3_REQUIRED = \"LENGTH_GREATER_THAN_3_REQUIRED\"; // Byte array must have a length greater than 3.\n string constant LENGTH_0_REQUIRED = \"LENGTH_0_REQUIRED\"; // Byte array must have a length of 0.\n string constant LENGTH_65_REQUIRED = \"LENGTH_65_REQUIRED\"; // Byte array must have a length of 65.\n}\n", + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibFillResults is\n SafeMath\n{\n struct FillResults {\n uint256 makerAssetFilledAmount; // Total amount of makerAsset(s) filled.\n uint256 takerAssetFilledAmount; // Total amount of takerAsset(s) filled.\n uint256 makerFeePaid; // Total amount of ZRX paid by maker(s) to feeRecipient(s).\n uint256 takerFeePaid; // Total amount of ZRX paid by taker to feeRecipients(s).\n }\n\n struct MatchedFillResults {\n FillResults left; // Amounts filled and fees paid of left order.\n FillResults right; // Amounts filled and fees paid of right order.\n uint256 leftMakerAssetSpreadAmount; // Spread between price of left and right order, denominated in the left order's makerAsset, paid to taker.\n }\n\n /// @dev Adds properties of both FillResults instances.\n /// Modifies the first FillResults instance specified.\n /// @param totalFillResults Fill results instance that will be added onto.\n /// @param singleFillResults Fill results instance that will be added to totalFillResults.\n function addFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)\n internal\n pure\n {\n totalFillResults.makerAssetFilledAmount = safeAdd(totalFillResults.makerAssetFilledAmount, singleFillResults.makerAssetFilledAmount);\n totalFillResults.takerAssetFilledAmount = safeAdd(totalFillResults.takerAssetFilledAmount, singleFillResults.takerAssetFilledAmount);\n totalFillResults.makerFeePaid = safeAdd(totalFillResults.makerFeePaid, singleFillResults.makerFeePaid);\n totalFillResults.takerFeePaid = safeAdd(totalFillResults.takerFeePaid, singleFillResults.takerFeePaid);\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibMath.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibMath is\n SafeMath\n{\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function safeGetPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorFloor(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function safeGetPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorCeil(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function getPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function getPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // The absolute rounding error is the difference between the rounded\n // value and the ideal value. The relative rounding error is the\n // absolute rounding error divided by the absolute value of the\n // ideal value. This is undefined when the ideal value is zero.\n //\n // The ideal value is `numerator * target / denominator`.\n // Let's call `numerator * target % denominator` the remainder.\n // The absolute error is `remainder / denominator`.\n //\n // When the ideal value is zero, we require the absolute error to\n // be zero. Fortunately, this is always the case. The ideal value is\n // zero iff `numerator == 0` and/or `target == 0`. In this case the\n // remainder and absolute error are also zero. \n if (target == 0 || numerator == 0) {\n return false;\n }\n \n // Otherwise, we want the relative rounding error to be strictly\n // less than 0.1%.\n // The relative error is `remainder / (numerator * target)`.\n // We want the relative error less than 1 / 1000:\n // remainder / (numerator * denominator) < 1 / 1000\n // or equivalently:\n // 1000 * remainder < numerator * target\n // so we have a rounding error iff:\n // 1000 * remainder >= numerator * target\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding up.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // See the comments in `isRoundingError`.\n if (target == 0 || numerator == 0) {\n // When either is zero, the ideal value and rounded value are zero\n // and there is no rounding error. (Although the relative error\n // is undefined.)\n return false;\n }\n // Compute remainder as before\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n remainder = safeSub(denominator, remainder) % denominator;\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibOrder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./LibEIP712.sol\";\n\n\ncontract LibOrder is\n LibEIP712\n{\n // Hash for the EIP712 Order Schema\n bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"Order(\",\n \"address makerAddress,\",\n \"address takerAddress,\",\n \"address feeRecipientAddress,\",\n \"address senderAddress,\",\n \"uint256 makerAssetAmount,\",\n \"uint256 takerAssetAmount,\",\n \"uint256 makerFee,\",\n \"uint256 takerFee,\",\n \"uint256 expirationTimeSeconds,\",\n \"uint256 salt,\",\n \"bytes makerAssetData,\",\n \"bytes takerAssetData\",\n \")\"\n ));\n\n // A valid order remains fillable until it is expired, fully filled, or cancelled.\n // An order's state is unaffected by external factors, like account balances.\n enum OrderStatus {\n INVALID, // Default value\n INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount\n INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount\n FILLABLE, // Order is fillable\n EXPIRED, // Order has already expired\n FULLY_FILLED, // Order is fully filled\n CANCELLED // Order has been cancelled\n }\n\n // solhint-disable max-line-length\n struct Order {\n address makerAddress; // Address that created the order. \n address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order. \n address feeRecipientAddress; // Address that will recieve fees when order is filled. \n address senderAddress; // Address that is allowed to call Exchange contract methods that affect this order. If set to 0, any address is allowed to call these methods.\n uint256 makerAssetAmount; // Amount of makerAsset being offered by maker. Must be greater than 0. \n uint256 takerAssetAmount; // Amount of takerAsset being bid on by maker. Must be greater than 0. \n uint256 makerFee; // Amount of ZRX paid to feeRecipient by maker when order is filled. If set to 0, no transfer of ZRX from maker to feeRecipient will be attempted.\n uint256 takerFee; // Amount of ZRX paid to feeRecipient by taker when order is filled. If set to 0, no transfer of ZRX from taker to feeRecipient will be attempted.\n uint256 expirationTimeSeconds; // Timestamp in seconds at which order expires. \n uint256 salt; // Arbitrary number to facilitate uniqueness of the order's hash. \n bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.\n bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.\n }\n // solhint-enable max-line-length\n\n struct OrderInfo {\n uint8 orderStatus; // Status that describes order's validity and fillability.\n bytes32 orderHash; // EIP712 hash of the order (see LibOrder.getOrderHash).\n uint256 orderTakerAssetFilledAmount; // Amount of order that has already been filled.\n }\n\n /// @dev Calculates Keccak-256 hash of the order.\n /// @param order The order structure.\n /// @return Keccak-256 EIP712 hash of the order.\n function getOrderHash(Order memory order)\n internal\n view\n returns (bytes32 orderHash)\n {\n orderHash = hashEIP712Message(hashOrder(order));\n return orderHash;\n }\n\n /// @dev Calculates EIP712 hash of the order.\n /// @param order The order structure.\n /// @return EIP712 hash of the order.\n function hashOrder(Order memory order)\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ORDER_SCHEMA_HASH;\n bytes32 makerAssetDataHash = keccak256(order.makerAssetData);\n bytes32 takerAssetDataHash = keccak256(order.takerAssetData);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ORDER_SCHEMA_HASH,\n // bytes32(order.makerAddress),\n // bytes32(order.takerAddress),\n // bytes32(order.feeRecipientAddress),\n // bytes32(order.senderAddress),\n // order.makerAssetAmount,\n // order.takerAssetAmount,\n // order.makerFee,\n // order.takerFee,\n // order.expirationTimeSeconds,\n // order.salt,\n // keccak256(order.makerAssetData),\n // keccak256(order.takerAssetData)\n // ));\n\n assembly {\n // Calculate memory addresses that will be swapped out before hashing\n let pos1 := sub(order, 32)\n let pos2 := add(order, 320)\n let pos3 := add(order, 352)\n\n // Backup\n let temp1 := mload(pos1)\n let temp2 := mload(pos2)\n let temp3 := mload(pos3)\n \n // Hash in place\n mstore(pos1, schemaHash)\n mstore(pos2, makerAssetDataHash)\n mstore(pos3, takerAssetDataHash)\n result := keccak256(pos1, 416)\n \n // Restore\n mstore(pos1, temp1)\n mstore(pos2, temp2)\n mstore(pos3, temp3)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssetProxyDispatcher.sol\";\n\n\ncontract MAssetProxyDispatcher is\n IAssetProxyDispatcher\n{\n // Logs registration of new asset proxy\n event AssetProxyRegistered(\n bytes4 id, // Id of new registered AssetProxy.\n address assetProxy // Address of new registered AssetProxy.\n );\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IExchangeCore.sol\";\n\n\ncontract MExchangeCore is\n IExchangeCore\n{\n // Fill event is emitted whenever an order is filled.\n event Fill(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that received fees.\n address takerAddress, // Address that filled the order.\n address senderAddress, // Address that called the Exchange contract (msg.sender).\n uint256 makerAssetFilledAmount, // Amount of makerAsset sold by maker and bought by taker. \n uint256 takerAssetFilledAmount, // Amount of takerAsset sold by taker and bought by maker.\n uint256 makerFeePaid, // Amount of ZRX paid to feeRecipient by maker.\n uint256 takerFeePaid, // Amount of ZRX paid to feeRecipient by taker.\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // Cancel event is emitted whenever an individual order is cancelled.\n event Cancel(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that would have recieved fees if order was filled. \n address senderAddress, // Address that called the Exchange contract (msg.sender).\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // CancelUpTo event is emitted whenever `cancelOrdersUpTo` is executed succesfully.\n event CancelUpTo(\n address indexed makerAddress, // Orders cancelled must have been created by this address.\n address indexed senderAddress, // Orders cancelled must have a `senderAddress` equal to this address.\n uint256 orderEpoch // Orders with specified makerAddress and senderAddress with a salt less than this value are considered cancelled.\n );\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrderInternal(LibOrder.Order memory order)\n internal;\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function updateFilledState(\n LibOrder.Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n LibFillResults.FillResults memory fillResults\n )\n internal;\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n LibOrder.Order memory order,\n bytes32 orderHash\n )\n internal;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo Status, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view;\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo\n )\n internal\n view;\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n LibOrder.Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.FillResults memory fillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IMatchOrders.sol\";\n\n\ncontract MMatchOrders is\n IMatchOrders\n{\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure;\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/ISignatureValidator.sol\";\n\n\ncontract MSignatureValidator is\n ISignatureValidator\n{\n event SignatureValidatorApproval(\n address indexed signerAddress, // Address that approves or disapproves a contract to verify signatures.\n address indexed validatorAddress, // Address of signature validator contract.\n bool approved // Approval or disapproval of validator contract.\n );\n\n // Allowed signature types.\n enum SignatureType {\n Illegal, // 0x00, default value\n Invalid, // 0x01\n EIP712, // 0x02\n EthSign, // 0x03\n Wallet, // 0x04\n Validator, // 0x05\n PreSigned, // 0x06\n NSignatureTypes // 0x07, number of signature types. Always leave at end.\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"../interfaces/ITransactions.sol\";\n\n\ncontract MTransactions is\n ITransactions\n{\n // Hash for the EIP712 ZeroEx Transaction Schema\n bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"ZeroExTransaction(\",\n \"uint256 salt,\",\n \"address signerAddress,\",\n \"bytes data\",\n \")\"\n ));\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result);\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address);\n}\n", + "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IWrapperFunctions.sol\";\n\n\ncontract MWrapperFunctions is \n IWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n}\n", + "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/MintableERC20Token.sol\";\n\n\ncontract DummyERC20Token is \n Ownable,\n MintableERC20Token\n{\n string public name;\n string public symbol;\n uint256 public decimals;\n uint256 public constant MAX_MINT_AMOUNT = 10000000000000000000000;\n\n constructor (\n string _name,\n string _symbol,\n uint256 _decimals,\n uint256 _totalSupply\n )\n public\n {\n name = _name;\n symbol = _symbol;\n decimals = _decimals;\n _totalSupply = _totalSupply;\n balances[msg.sender] = _totalSupply;\n }\n\n /// @dev Sets the balance of target address\n /// @param _target Address or which balance will be updated\n /// @param _value New balance of target address\n function setBalance(address _target, uint256 _value)\n external\n onlyOwner\n {\n uint256 currBalance = balances[_target];\n if (_value < currBalance) {\n _totalSupply = safeSub(_totalSupply, safeSub(currBalance, _value));\n } else {\n _totalSupply = safeAdd(_totalSupply, safeSub(_value, currBalance));\n }\n balances[_target] = _value;\n }\n\n /// @dev Mints new tokens for sender\n /// @param _value Amount of tokens to mint\n function mint(uint256 _value)\n external\n {\n require(\n _value <= MAX_MINT_AMOUNT,\n \"VALUE_TOO_LARGE\"\n );\n\n _mint(msg.sender, _value);\n }\n}\n", + "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../tokens/ERC721Token/MintableERC721Token.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract DummyERC721Token is\n Ownable,\n MintableERC721Token\n{\n string public name;\n string public symbol;\n\n constructor (\n string _name,\n string _symbol\n )\n public\n {\n name = _name;\n symbol = _symbol;\n }\n\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function mint(address _to, uint256 _tokenId)\n external\n {\n _mint(_to, _tokenId);\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist or not called by contract owner\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function burn(address _owner, uint256 _tokenId)\n external\n onlyOwner\n {\n _burn(_owner, _tokenId);\n }\n}\n", + "2.0.0/tokens/ERC20Token/ERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC20Token.sol\";\n\n\ncontract ERC20Token is\n IERC20Token\n{\n mapping (address => uint256) internal balances;\n mapping (address => mapping (address => uint256)) internal allowed;\n\n uint256 internal _totalSupply;\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool)\n {\n require(\n balances[msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[msg.sender] -= _value;\n balances[_to] += _value;\n\n emit Transfer(\n msg.sender,\n _to,\n _value\n );\n\n return true;\n }\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowed[_from][msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n allowed[_from][msg.sender] -= _value;\n \n emit Transfer(\n _from,\n _to,\n _value\n );\n \n return true;\n }\n\n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool)\n {\n allowed[msg.sender][_spender] = _value;\n emit Approval(\n msg.sender,\n _spender,\n _value\n );\n return true;\n }\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256)\n {\n return _totalSupply;\n }\n\n /// @dev Query the balance of owner\n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n return balances[_owner];\n }\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256)\n {\n return allowed[_owner][_spender];\n }\n}\n", + "2.0.0/tokens/ERC20Token/IERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n \n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n \n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", + "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/SafeMath/SafeMath.sol\";\nimport \"./UnlimitedAllowanceERC20Token.sol\";\n\n\ncontract MintableERC20Token is \n SafeMath,\n UnlimitedAllowanceERC20Token\n{\n /// @dev Mints new tokens\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _value Amount of tokens to mint\n function _mint(address _to, uint256 _value)\n internal\n {\n balances[_to] = safeAdd(_value, balances[_to]);\n _totalSupply = safeAdd(_totalSupply, _value);\n\n emit Transfer(\n address(0),\n _to,\n _value\n );\n }\n\n /// @dev Mints new tokens\n /// @param _owner Owner of tokens that will be burned\n /// @param _value Amount of tokens to burn\n function _burn(address _owner, uint256 _value)\n internal\n {\n balances[_owner] = safeSub(balances[_owner], _value);\n _totalSupply = safeSub(_totalSupply, _value);\n\n emit Transfer(\n _owner,\n address(0),\n _value\n );\n }\n}\n", + "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/ERC20Token.sol\";\n\n\ncontract UnlimitedAllowanceERC20Token is\n ERC20Token\n{\n uint256 constant internal MAX_UINT = 2**256 - 1;\n\n /// @dev ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited allowance. See https://github.com/ethereum/EIPs/issues/717\n /// @param _from Address to transfer from.\n /// @param _to Address to transfer to.\n /// @param _value Amount to transfer.\n /// @return Success of transfer.\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n uint256 allowance = allowed[_from][msg.sender];\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowance >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n if (allowance < MAX_UINT) {\n allowed[_from][msg.sender] -= _value;\n }\n\n emit Transfer(\n _from,\n _to,\n _value\n );\n\n return true;\n }\n}\n", + "2.0.0/tokens/ERC721Token/ERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC721Token.sol\";\nimport \"./IERC721Receiver.sol\";\nimport \"../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract ERC721Token is\n IERC721Token,\n SafeMath\n{\n // Function selector for ERC721Receiver.onERC721Received\n // 0x150b7a02\n bytes4 constant internal ERC721_RECEIVED = bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"));\n\n // Mapping of tokenId => owner\n mapping (uint256 => address) internal owners;\n\n // Mapping of tokenId => approved address\n mapping (uint256 => address) internal approvals;\n\n // Mapping of owner => number of tokens owned\n mapping (address => uint256) internal balances;\n\n // Mapping of owner => operator => approved\n mapping (address => mapping (address => bool)) internal operatorApprovals;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n _data\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n \"\"\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external\n {\n address owner = ownerOf(_tokenId);\n require(\n msg.sender == owner || isApprovedForAll(owner, msg.sender),\n \"ERC721_INVALID_SENDER\"\n );\n\n approvals[_tokenId] = _approved;\n emit Approval(\n owner,\n _approved,\n _tokenId\n );\n }\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external\n {\n operatorApprovals[msg.sender][_operator] = _approved;\n emit ApprovalForAll(\n msg.sender,\n _operator,\n _approved\n );\n }\n \n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return balances[_owner];\n }\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = ownerOf(_tokenId);\n require(\n _from == owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n address spender = msg.sender;\n address approvedAddress = getApproved(_tokenId);\n require(\n spender == owner ||\n isApprovedForAll(owner, spender) ||\n approvedAddress == spender,\n \"ERC721_INVALID_SPENDER\"\n );\n\n if (approvedAddress != address(0)) {\n approvals[_tokenId] = address(0);\n }\n\n owners[_tokenId] = _to;\n balances[_from] = safeSub(balances[_from], 1);\n balances[_to] = safeAdd(balances[_to], 1);\n \n emit Transfer(\n _from,\n _to,\n _tokenId\n );\n }\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address)\n {\n address owner = owners[_tokenId];\n require(\n owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return owner;\n }\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId)\n public\n view\n returns (address)\n {\n return approvals[_tokenId];\n }\n\n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool)\n {\n return operatorApprovals[_owner][_operator];\n }\n}\n", + "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Receiver {\n\n /// @notice Handle the receipt of an NFT\n /// @dev The ERC721 smart contract calls this function on the recipient\n /// after a `transfer`. This function MAY throw to revert and reject the\n /// transfer. Return of other than the magic value MUST result in the\n /// transaction being reverted.\n /// Note: the contract address is always the message sender.\n /// @param _operator The address which called `safeTransferFrom` function\n /// @param _from The address which previously owned the token\n /// @param _tokenId The NFT identifier which is being transferred\n /// @param _data Additional data with no specified format\n /// @return `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`\n /// unless throwing\n function onERC721Received(\n address _operator,\n address _from,\n uint256 _tokenId,\n bytes _data\n )\n external\n returns (bytes4);\n}\n", + "2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Token {\n\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(\n address indexed _owner,\n address indexed _approved,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(\n address indexed _owner,\n address indexed _operator,\n bool _approved\n );\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// perator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external;\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public;\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address);\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) \n public\n view\n returns (address);\n \n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool);\n}\n", + "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./ERC721Token.sol\";\n\n\ncontract MintableERC721Token is\n ERC721Token\n{\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function _mint(address _to, uint256 _tokenId)\n internal\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == address(0),\n \"ERC721_OWNER_ALREADY_EXISTS\"\n );\n\n owners[_tokenId] = _to;\n balances[_to] = safeAdd(balances[_to], 1);\n\n emit Transfer(\n address(0),\n _to,\n _tokenId\n );\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function _burn(address _owner, uint256 _tokenId)\n internal\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == _owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n owners[_tokenId] = address(0);\n balances[_owner] = safeSub(balances[_owner], 1);\n\n emit Transfer(\n _owner,\n address(0),\n _tokenId\n );\n }\n}\n", + "2.0.0/tokens/EtherToken/IEtherToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/IERC20Token.sol\";\n\n\ncontract IEtherToken is\n IERC20Token\n{\n function deposit()\n public\n payable;\n \n function withdraw(uint256 amount)\n public;\n}\n", + "2.0.0/utils/LibBytes/LibBytes.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\nlibrary LibBytes {\n\n using LibBytes for bytes;\n\n /// @dev Gets the memory address for a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of byte array. This\n /// points to the header of the byte array which contains\n /// the length.\n function rawAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := input\n }\n return memoryAddress;\n }\n \n /// @dev Gets the memory address for the contents of a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of the contents of the byte array.\n function contentAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := add(input, 32)\n }\n return memoryAddress;\n }\n\n /// @dev Copies `length` bytes from memory location `source` to `dest`.\n /// @param dest memory address to copy bytes to.\n /// @param source memory address to copy bytes from.\n /// @param length number of bytes to copy.\n function memCopy(\n uint256 dest,\n uint256 source,\n uint256 length\n )\n internal\n pure\n {\n if (length < 32) {\n // Handle a partial word by reading destination and masking\n // off the bits we are interested in.\n // This correctly handles overlap, zero lengths and source == dest\n assembly {\n let mask := sub(exp(256, sub(32, length)), 1)\n let s := and(mload(source), not(mask))\n let d := and(mload(dest), mask)\n mstore(dest, or(s, d))\n }\n } else {\n // Skip the O(length) loop when source == dest.\n if (source == dest) {\n return;\n }\n\n // For large copies we copy whole words at a time. The final\n // word is aligned to the end of the range (instead of after the\n // previous) to handle partial words. So a copy will look like this:\n //\n // ####\n // ####\n // ####\n // ####\n //\n // We handle overlap in the source and destination range by\n // changing the copying direction. This prevents us from\n // overwriting parts of source that we still need to copy.\n //\n // This correctly handles source == dest\n //\n if (source > dest) {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because it\n // is easier to compare with in the loop, and these\n // are also the addresses we need for copying the\n // last bytes.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the last 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the last bytes in\n // source already due to overlap.\n let last := mload(sEnd)\n\n // Copy whole words front to back\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} lt(source, sEnd) {} {\n mstore(dest, mload(source))\n source := add(source, 32)\n dest := add(dest, 32)\n }\n \n // Write the last 32 bytes\n mstore(dEnd, last)\n }\n } else {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because those\n // are the starting points when copying a word at the end.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the first 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the first bytes in\n // source already due to overlap.\n let first := mload(source)\n\n // Copy whole words back to front\n // We use a signed comparisson here to allow dEnd to become\n // negative (happens when source and dest < 32). Valid\n // addresses in local memory will never be larger than\n // 2**255, so they can be safely re-interpreted as signed.\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} slt(dest, dEnd) {} {\n mstore(dEnd, mload(sEnd))\n sEnd := sub(sEnd, 32)\n dEnd := sub(dEnd, 32)\n }\n \n // Write the first 32 bytes\n mstore(dest, first)\n }\n }\n }\n }\n\n /// @dev Returns a slices from a byte array.\n /// @param b The byte array to take a slice from.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n function slice(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure and copy contents\n result = new bytes(to - from);\n memCopy(\n result.contentAddress(),\n b.contentAddress() + from,\n result.length\n );\n return result;\n }\n \n /// @dev Returns a slice from a byte array without preserving the input.\n /// @param b The byte array to take a slice from. Will be destroyed in the process.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n /// @dev When `from == 0`, the original array will match the slice. In other cases its state will be corrupted.\n function sliceDestructive(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure around [from, to) in-place.\n assembly {\n result := add(b, from)\n mstore(result, sub(to, from))\n }\n return result;\n }\n\n /// @dev Pops the last byte off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The byte that was popped off.\n function popLastByte(bytes memory b)\n internal\n pure\n returns (bytes1 result)\n {\n require(\n b.length > 0,\n \"GREATER_THAN_ZERO_LENGTH_REQUIRED\"\n );\n\n // Store last byte.\n result = b[b.length - 1];\n\n assembly {\n // Decrement length of byte array.\n let newLen := sub(mload(b), 1)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Pops the last 20 bytes off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The 20 byte address that was popped off.\n function popLast20Bytes(bytes memory b)\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= 20,\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Store last 20 bytes.\n result = readAddress(b, b.length - 20);\n\n assembly {\n // Subtract 20 from byte array length.\n let newLen := sub(mload(b), 20)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Tests equality of two byte arrays.\n /// @param lhs First byte array to compare.\n /// @param rhs Second byte array to compare.\n /// @return True if arrays are the same. False otherwise.\n function equals(\n bytes memory lhs,\n bytes memory rhs\n )\n internal\n pure\n returns (bool equal)\n {\n // Keccak gas cost is 30 + numWords * 6. This is a cheap way to compare.\n // We early exit on unequal lengths, but keccak would also correctly\n // handle this.\n return lhs.length == rhs.length && keccak256(lhs) == keccak256(rhs);\n }\n\n /// @dev Reads an address from a position in a byte array.\n /// @param b Byte array containing an address.\n /// @param index Index in byte array of address.\n /// @return address from byte array.\n function readAddress(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Read address from array memory\n assembly {\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 20-byte mask to obtain address\n result := and(mload(add(b, index)), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n return result;\n }\n\n /// @dev Writes an address into a specific position in a byte array.\n /// @param b Byte array to insert address into.\n /// @param index Index in byte array of address.\n /// @param input Address to put into byte array.\n function writeAddress(\n bytes memory b,\n uint256 index,\n address input\n )\n internal\n pure\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Store address into array memory\n assembly {\n // The address occupies 20 bytes and mstore stores 32 bytes.\n // First fetch the 32-byte word where we'll be storing the address, then\n // apply a mask so we have only the bytes in the word that the address will not occupy.\n // Then combine these bytes with the address and store the 32 bytes back to memory with mstore.\n\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 12-byte mask to obtain extra bytes occupying word of memory where we'll store the address\n let neighbors := and(\n mload(add(b, index)),\n 0xffffffffffffffffffffffff0000000000000000000000000000000000000000\n )\n \n // Make sure input address is clean.\n // (Solidity does not guarantee this)\n input := and(input, 0xffffffffffffffffffffffffffffffffffffffff)\n\n // Store the neighbors and address into memory\n mstore(add(b, index), xor(input, neighbors))\n }\n }\n\n /// @dev Reads a bytes32 value from a position in a byte array.\n /// @param b Byte array containing a bytes32 value.\n /// @param index Index in byte array of bytes32 value.\n /// @return bytes32 value from byte array.\n function readBytes32(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes32 result)\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n result := mload(add(b, index))\n }\n return result;\n }\n\n /// @dev Writes a bytes32 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes32 to put into byte array.\n function writeBytes32(\n bytes memory b,\n uint256 index,\n bytes32 input\n )\n internal\n pure\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n mstore(add(b, index), input)\n }\n }\n\n /// @dev Reads a uint256 value from a position in a byte array.\n /// @param b Byte array containing a uint256 value.\n /// @param index Index in byte array of uint256 value.\n /// @return uint256 value from byte array.\n function readUint256(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (uint256 result)\n {\n result = uint256(readBytes32(b, index));\n return result;\n }\n\n /// @dev Writes a uint256 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input uint256 to put into byte array.\n function writeUint256(\n bytes memory b,\n uint256 index,\n uint256 input\n )\n internal\n pure\n {\n writeBytes32(b, index, bytes32(input));\n }\n\n /// @dev Reads an unpadded bytes4 value from a position in a byte array.\n /// @param b Byte array containing a bytes4 value.\n /// @param index Index in byte array of bytes4 value.\n /// @return bytes4 value from byte array.\n function readBytes4(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes4 result)\n {\n require(\n b.length >= index + 4,\n \"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 32 byte length field\n index += 32;\n\n // Read the bytes4 from array memory\n assembly {\n result := mload(add(b, index))\n // Solidity does not require us to clean the trailing bytes.\n // We do it anyway\n result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)\n }\n return result;\n }\n\n /// @dev Reads nested bytes from a specific position.\n /// @dev NOTE: the returned value overlaps with the input value.\n /// Both should be treated as immutable.\n /// @param b Byte array containing nested bytes.\n /// @param index Index of nested bytes.\n /// @return result Nested bytes.\n function readBytesWithLength(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes memory result)\n {\n // Read length of nested bytes\n uint256 nestedBytesLength = readUint256(b, index);\n index += 32;\n\n // Assert length of is valid, given\n // length of nested bytes\n require(\n b.length >= index + nestedBytesLength,\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n \n // Return a pointer to the byte array as it exists inside `b`\n assembly {\n result := add(b, index)\n }\n return result;\n }\n\n /// @dev Inserts bytes at a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes to insert.\n function writeBytesWithLength(\n bytes memory b,\n uint256 index,\n bytes memory input\n )\n internal\n pure\n {\n // Assert length of is valid, given\n // length of input\n require(\n b.length >= index + 32 + input.length, // 32 bytes to store length\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n\n // Copy into \n memCopy(\n b.contentAddress() + index,\n input.rawAddress(), // includes length of \n input.length + 32 // +32 bytes to store length\n );\n }\n\n /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length.\n /// @param dest Byte array that will be overwritten with source bytes.\n /// @param source Byte array to copy onto dest bytes.\n function deepCopyBytes(\n bytes memory dest,\n bytes memory source\n )\n internal\n pure\n {\n uint256 sourceLen = source.length;\n // Dest length must be >= source length, or some bytes would not be copied.\n require(\n dest.length >= sourceLen,\n \"GREATER_OR_EQUAL_TO_SOURCE_BYTES_LENGTH_REQUIRED\"\n );\n memCopy(\n dest.contentAddress(),\n source.contentAddress(),\n sourceLen\n );\n }\n}\n", + "2.0.0/utils/Ownable/IOwnable.sol": "pragma solidity 0.4.24;\n\n\ncontract IOwnable {\n\n function transferOwnership(address newOwner)\n public;\n}\n", + "2.0.0/utils/Ownable/Ownable.sol": "pragma solidity 0.4.24;\n\nimport \"./IOwnable.sol\";\n\n\ncontract Ownable is\n IOwnable\n{\n address public owner;\n\n constructor ()\n public\n {\n owner = msg.sender;\n }\n\n modifier onlyOwner() {\n require(\n msg.sender == owner,\n \"ONLY_CONTRACT_OWNER\"\n );\n _;\n }\n\n function transferOwnership(address newOwner)\n public\n onlyOwner\n {\n if (newOwner != address(0)) {\n owner = newOwner;\n }\n }\n}\n", + "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ReentrancyGuard {\n\n // Locked state of mutex\n bool private locked = false;\n\n /// @dev Functions with this modifer cannot be reentered. The mutex will be locked\n /// before function execution and unlocked after.\n modifier nonReentrant() {\n // Ensure mutex is unlocked\n require(\n !locked,\n \"REENTRANCY_ILLEGAL\"\n );\n\n // Lock mutex before function call\n locked = true;\n\n // Perform function call\n _;\n\n // Unlock mutex after function call\n locked = false;\n }\n}\n", + "2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n\n function safeMul(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(\n c / a == b,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function safeDiv(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a / b;\n return c;\n }\n\n function safeSub(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n require(\n b <= a,\n \"UINT256_UNDERFLOW\"\n );\n return a - b;\n }\n\n function safeAdd(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a + b;\n require(\n c >= a,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function max64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n\n function max256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n}\n" + }, + "sourceTreeHashHex": "0x6ff1018244f1bb1b06f24f9e10b69d8f303b9440899eef7a5dea9bb9c3817cb9", + "compiler": { + "name": "solc", + "version": "soljson-v0.4.24+commit.e67f0147.js", + "settings": { + "optimizer": { + "enabled": true, + "runs": 1000000 + }, + "outputSelection": { + "*": { + "*": [ + "abi", + "evm.bytecode.object", + "evm.bytecode.sourceMap", + "evm.deployedBytecode.object", + "evm.deployedBytecode.sourceMap" + ] + } + } + } + }, + "networks": { + "3": { + "address": "0x4530c0483a1633c7a1c97d2c53721caff2caaaaf", + "links": {}, + "constructorArgs": "[\"0xf47261b0000000000000000000000000ff67881f8d12f372d91baae9752eb3631ff0ed00\"]" + }, + "42": { + "address": "0x35dd2932454449b14cee11a94d3674a936d5d7b2", + "links": {}, + "constructorArgs": "[\"0xf47261b00000000000000000000000002002d3812f58e35f0ea1ffbf80a75a38c32175fa\"]" + }, + "50": { + "address": "0x48bacb9266a570d521063ef5dd96e61686dbe788", + "links": {}, + "constructorArgs": "[\"0xf47261b0000000000000000000000000871dd7c2b4b25e1aa18728e9d5f2af4c4e431f5c\"]" + } + } +} diff --git a/packages/migrations/artifacts/2.0.0-testnet/Forwarder.json b/packages/migrations/artifacts/2.0.0-testnet/Forwarder.json new file mode 100644 index 000000000..6d282022e --- /dev/null +++ b/packages/migrations/artifacts/2.0.0-testnet/Forwarder.json @@ -0,0 +1,761 @@ +{ + "schemaVersion": "2.0.0", + "contractName": "Forwarder", + "compilerOutput": { + "abi": [ + { + "constant": false, + "inputs": [ + { + "components": [ + { + "name": "makerAddress", + "type": "address" + }, + { + "name": "takerAddress", + "type": "address" + }, + { + "name": "feeRecipientAddress", + "type": "address" + }, + { + "name": "senderAddress", + "type": "address" + }, + { + "name": "makerAssetAmount", + "type": "uint256" + }, + { + "name": "takerAssetAmount", + "type": "uint256" + }, + { + "name": "makerFee", + "type": "uint256" + }, + { + "name": "takerFee", + "type": "uint256" + }, + { + "name": "expirationTimeSeconds", + "type": "uint256" + }, + { + "name": "salt", + "type": "uint256" + }, + { + "name": "makerAssetData", + "type": "bytes" + }, + { + "name": "takerAssetData", + "type": "bytes" + } + ], + "name": "orders", + "type": "tuple[]" + }, + { + "name": "makerAssetFillAmount", + "type": "uint256" + }, + { + "name": "signatures", + "type": "bytes[]" + }, + { + "components": [ + { + "name": "makerAddress", + "type": "address" + }, + { + "name": "takerAddress", + "type": "address" + }, + { + "name": "feeRecipientAddress", + "type": "address" + }, + { + "name": "senderAddress", + "type": "address" + }, + { + "name": "makerAssetAmount", + "type": "uint256" + }, + { + "name": "takerAssetAmount", + "type": "uint256" + }, + { + "name": "makerFee", + "type": "uint256" + }, + { + "name": "takerFee", + "type": "uint256" + }, + { + "name": "expirationTimeSeconds", + "type": "uint256" + }, + { + "name": "salt", + "type": "uint256" + }, + { + "name": "makerAssetData", + "type": "bytes" + }, + { + "name": "takerAssetData", + "type": "bytes" + } + ], + "name": "feeOrders", + "type": "tuple[]" + }, + { + "name": "feeSignatures", + "type": "bytes[]" + }, + { + "name": "feePercentage", + "type": "uint256" + }, + { + "name": "feeRecipient", + "type": "address" + } + ], + "name": "marketBuyOrdersWithEth", + "outputs": [ + { + "components": [ + { + "name": "makerAssetFilledAmount", + "type": "uint256" + }, + { + "name": "takerAssetFilledAmount", + "type": "uint256" + }, + { + "name": "makerFeePaid", + "type": "uint256" + }, + { + "name": "takerFeePaid", + "type": "uint256" + } + ], + "name": "orderFillResults", + "type": "tuple" + }, + { + "components": [ + { + "name": "makerAssetFilledAmount", + "type": "uint256" + }, + { + "name": "takerAssetFilledAmount", + "type": "uint256" + }, + { + "name": "makerFeePaid", + "type": "uint256" + }, + { + "name": "takerFeePaid", + "type": "uint256" + } + ], + "name": "feeOrderFillResults", + "type": "tuple" + } + ], + "payable": true, + "stateMutability": "payable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "assetData", + "type": "bytes" + }, + { + "name": "amount", + "type": "uint256" + } + ], + "name": "withdrawAsset", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "owner", + "outputs": [ + { + "name": "", + "type": "address" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "components": [ + { + "name": "makerAddress", + "type": "address" + }, + { + "name": "takerAddress", + "type": "address" + }, + { + "name": "feeRecipientAddress", + "type": "address" + }, + { + "name": "senderAddress", + "type": "address" + }, + { + "name": "makerAssetAmount", + "type": "uint256" + }, + { + "name": "takerAssetAmount", + "type": "uint256" + }, + { + "name": "makerFee", + "type": "uint256" + }, + { + "name": "takerFee", + "type": "uint256" + }, + { + "name": "expirationTimeSeconds", + "type": "uint256" + }, + { + "name": "salt", + "type": "uint256" + }, + { + "name": "makerAssetData", + "type": "bytes" + }, + { + "name": "takerAssetData", + "type": "bytes" + } + ], + "name": "orders", + "type": "tuple[]" + }, + { + "name": "signatures", + "type": "bytes[]" + }, + { + "components": [ + { + "name": "makerAddress", + "type": "address" + }, + { + "name": "takerAddress", + "type": "address" + }, + { + "name": "feeRecipientAddress", + "type": "address" + }, + { + "name": "senderAddress", + "type": "address" + }, + { + "name": "makerAssetAmount", + "type": "uint256" + }, + { + "name": "takerAssetAmount", + "type": "uint256" + }, + { + "name": "makerFee", + "type": "uint256" + }, + { + "name": "takerFee", + "type": "uint256" + }, + { + "name": "expirationTimeSeconds", + "type": "uint256" + }, + { + "name": "salt", + "type": "uint256" + }, + { + "name": "makerAssetData", + "type": "bytes" + }, + { + "name": "takerAssetData", + "type": "bytes" + } + ], + "name": "feeOrders", + "type": "tuple[]" + }, + { + "name": "feeSignatures", + "type": "bytes[]" + }, + { + "name": "feePercentage", + "type": "uint256" + }, + { + "name": "feeRecipient", + "type": "address" + } + ], + "name": "marketSellOrdersWithEth", + "outputs": [ + { + "components": [ + { + "name": "makerAssetFilledAmount", + "type": "uint256" + }, + { + "name": "takerAssetFilledAmount", + "type": "uint256" + }, + { + "name": "makerFeePaid", + "type": "uint256" + }, + { + "name": "takerFeePaid", + "type": "uint256" + } + ], + "name": "orderFillResults", + "type": "tuple" + }, + { + "components": [ + { + "name": "makerAssetFilledAmount", + "type": "uint256" + }, + { + "name": "takerAssetFilledAmount", + "type": "uint256" + }, + { + "name": "makerFeePaid", + "type": "uint256" + }, + { + "name": "takerFeePaid", + "type": "uint256" + } + ], + "name": "feeOrderFillResults", + "type": "tuple" + } + ], + "payable": true, + "stateMutability": "payable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "newOwner", + "type": "address" + } + ], + "name": "transferOwnership", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "inputs": [ + { + "name": "_exchange", + "type": "address" + }, + { + "name": "_zrxAssetData", + "type": "bytes" + }, + { + "name": "_wethAssetData", + "type": "bytes" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "constructor" + }, + { + "payable": true, + "stateMutability": "payable", + "type": "fallback" + } + ], + "evm": { + "bytecode": { + "linkReferences": {}, + "object": 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+ "opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE CALLVALUE DUP1 ISZERO PUSH3 0x11 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x40 MLOAD PUSH3 0x2CDB CODESIZE SUB DUP1 PUSH3 0x2CDB DUP4 CODECOPY DUP2 ADD DUP1 PUSH1 0x40 MSTORE PUSH3 0x37 SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH3 0x51D JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD CALLER PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB NOT SWAP2 DUP3 AND OR DUP3 SSTORE PUSH1 0x1 DUP1 SLOAD SWAP1 SWAP2 AND PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB DUP7 AND OR SWAP1 SSTORE DUP3 MLOAD DUP5 SWAP1 DUP5 SWAP1 DUP5 SWAP1 DUP5 SWAP1 DUP2 SWAP1 PUSH3 0x7E SWAP1 PUSH1 0x4 SWAP1 PUSH1 0x20 DUP8 ADD SWAP1 PUSH3 0x3D0 JUMP JUMPDEST POP DUP3 MLOAD PUSH3 0x94 SWAP1 PUSH1 0x5 SWAP1 PUSH1 0x20 DUP7 ADD SWAP1 PUSH3 0x3D0 JUMP JUMPDEST POP PUSH3 0xB0 DUP4 PUSH1 0x10 PUSH5 0x100000000 PUSH3 0x18F6 PUSH3 0x36F DUP3 MUL OR DIV JUMP JUMPDEST SWAP2 POP PUSH3 0xCD DUP5 PUSH1 0x10 PUSH5 0x100000000 PUSH3 0x18F6 PUSH3 0x36F DUP3 MUL OR DIV JUMP JUMPDEST PUSH1 0x2 DUP1 SLOAD PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB SWAP5 DUP6 AND PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB NOT SWAP2 DUP3 AND OR SWAP1 SWAP2 SSTORE PUSH1 0x3 DUP1 SLOAD SWAP3 DUP6 AND SWAP3 SWAP1 SWAP2 AND SWAP2 SWAP1 SWAP2 OR SWAP1 SSTORE POP PUSH1 0x1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH32 0x4552433230546F6B656E28616464726573732900000000000000000000000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x13 ADD DUP2 KECCAK256 PUSH32 0x6070410800000000000000000000000000000000000000000000000000000000 DUP3 MSTORE SWAP2 SWAP1 SWAP3 AND SWAP5 POP PUSH4 0x60704108 SWAP4 POP PUSH3 0x173 SWAP3 POP SWAP1 PUSH1 0x4 ADD PUSH3 0x68E JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH3 0x18E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH3 0x1A3 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH3 0x1C9 SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH3 0x4F4 JUMP JUMPDEST SWAP1 POP PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB DUP2 AND ISZERO ISZERO PUSH3 0x219 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH3 0x210 SWAP1 PUSH3 0x6B0 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST PUSH1 0x2 SLOAD PUSH1 0x40 MLOAD PUSH32 0x95EA7B300000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB SWAP1 SWAP2 AND SWAP1 PUSH4 0x95EA7B3 SWAP1 PUSH3 0x268 SWAP1 DUP5 SWAP1 PUSH1 0x0 NOT SWAP1 PUSH1 0x4 ADD PUSH3 0x66F JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH3 0x283 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH3 0x298 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH3 0x2BE SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH3 0x5A1 JUMP JUMPDEST POP PUSH1 0x3 SLOAD PUSH1 0x40 MLOAD PUSH32 0x95EA7B300000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB SWAP1 SWAP2 AND SWAP1 PUSH4 0x95EA7B3 SWAP1 PUSH3 0x30E SWAP1 DUP5 SWAP1 PUSH1 0x0 NOT SWAP1 PUSH1 0x4 ADD PUSH3 0x66F JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH3 0x329 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH3 0x33E JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH3 0x364 SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH3 0x5A1 JUMP JUMPDEST POP POP POP POP POP PUSH3 0x77A JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x14 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH3 0x3B4 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH3 0x210 SWAP1 PUSH3 0x69E JUMP JUMPDEST POP PUSH1 0x14 DUP2 DUP4 ADD DUP2 ADD MLOAD SWAP2 ADD SWAP1 PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB AND JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST DUP3 DUP1 SLOAD PUSH1 0x1 DUP2 PUSH1 0x1 AND ISZERO PUSH2 0x100 MUL SUB AND PUSH1 0x2 SWAP1 DIV SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 PUSH1 0x1F ADD PUSH1 0x20 SWAP1 DIV DUP2 ADD SWAP3 DUP3 PUSH1 0x1F LT PUSH3 0x413 JUMPI DUP1 MLOAD PUSH1 0xFF NOT AND DUP4 DUP1 ADD OR DUP6 SSTORE PUSH3 0x443 JUMP JUMPDEST DUP3 DUP1 ADD PUSH1 0x1 ADD DUP6 SSTORE DUP3 ISZERO PUSH3 0x443 JUMPI SWAP2 DUP3 ADD JUMPDEST DUP3 DUP2 GT ISZERO PUSH3 0x443 JUMPI DUP3 MLOAD DUP3 SSTORE SWAP2 PUSH1 0x20 ADD SWAP2 SWAP1 PUSH1 0x1 ADD SWAP1 PUSH3 0x426 JUMP JUMPDEST POP PUSH3 0x451 SWAP3 SWAP2 POP PUSH3 0x455 JUMP JUMPDEST POP SWAP1 JUMP JUMPDEST PUSH3 0x472 SWAP2 SWAP1 JUMPDEST DUP1 DUP3 GT ISZERO PUSH3 0x451 JUMPI PUSH1 0x0 DUP2 SSTORE PUSH1 0x1 ADD PUSH3 0x45C JUMP JUMPDEST SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH3 0x483 DUP3 MLOAD PUSH3 0x711 JUMP JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH3 0x483 DUP3 MLOAD PUSH3 0x742 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH3 0x4AA JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 MLOAD PUSH3 0x4C1 PUSH3 0x4BB DUP3 PUSH3 0x6E9 JUMP JUMPDEST PUSH3 0x6C2 JUMP JUMPDEST SWAP2 POP DUP1 DUP3 MSTORE PUSH1 0x20 DUP4 ADD PUSH1 0x20 DUP4 ADD DUP6 DUP4 DUP4 ADD GT ISZERO PUSH3 0x4DE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH3 0x4EB DUP4 DUP3 DUP5 PUSH3 0x747 JUMP JUMPDEST POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH3 0x507 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH3 0x515 DUP5 DUP5 PUSH3 0x475 JUMP JUMPDEST SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x60 DUP5 DUP7 SUB SLT ISZERO PUSH3 0x533 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH3 0x541 DUP7 DUP7 PUSH3 0x475 JUMP JUMPDEST SWAP4 POP POP PUSH1 0x20 DUP5 ADD MLOAD PUSH1 0x1 PUSH1 0x40 PUSH1 0x2 EXP SUB DUP2 GT ISZERO PUSH3 0x55E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH3 0x56C DUP7 DUP3 DUP8 ADD PUSH3 0x498 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x40 DUP5 ADD MLOAD PUSH1 0x1 PUSH1 0x40 PUSH1 0x2 EXP SUB DUP2 GT ISZERO PUSH3 0x589 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH3 0x597 DUP7 DUP3 DUP8 ADD PUSH3 0x498 JUMP JUMPDEST SWAP2 POP POP SWAP3 POP SWAP3 POP SWAP3 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH3 0x5B4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH3 0x515 DUP5 DUP5 PUSH3 0x48A JUMP JUMPDEST PUSH3 0x5CD DUP2 PUSH3 0x711 JUMP JUMPDEST DUP3 MSTORE POP POP JUMP JUMPDEST PUSH3 0x5CD DUP2 PUSH3 0x71D JUMP JUMPDEST PUSH1 0x26 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F32305F4C454E4754485F5245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5155495245440000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x18 DUP2 MSTORE PUSH32 0x554E524547495354455245445F41535345545F50524F58590000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH3 0x5CD DUP2 PUSH3 0x472 JUMP JUMPDEST PUSH1 0x40 DUP2 ADD PUSH3 0x67F DUP3 DUP6 PUSH3 0x5C2 JUMP JUMPDEST PUSH3 0x483 PUSH1 0x20 DUP4 ADD DUP5 PUSH3 0x664 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH3 0x3CA DUP3 DUP5 PUSH3 0x5D3 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH3 0x3CA DUP2 PUSH3 0x5DE JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH3 0x3CA DUP2 PUSH3 0x634 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP2 DUP2 ADD PUSH1 0x1 PUSH1 0x40 PUSH1 0x2 EXP SUB DUP2 GT DUP3 DUP3 LT OR ISZERO PUSH3 0x6E1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x40 MSTORE SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1 PUSH1 0x40 PUSH1 0x2 EXP SUB DUP3 GT ISZERO PUSH3 0x700 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x20 PUSH1 0x1F SWAP2 SWAP1 SWAP2 ADD PUSH1 0x1F NOT AND ADD SWAP1 JUMP JUMPDEST PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB AND SWAP1 JUMP JUMPDEST PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND SWAP1 JUMP JUMPDEST ISZERO ISZERO SWAP1 JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH3 0x764 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH3 0x74A JUMP JUMPDEST DUP4 DUP2 GT ISZERO PUSH3 0x774 JUMPI PUSH1 0x0 DUP5 DUP5 ADD MSTORE JUMPDEST POP POP POP POP JUMP JUMPDEST PUSH2 0x2551 DUP1 PUSH3 0x78A PUSH1 0x0 CODECOPY PUSH1 0x0 RETURN STOP PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0x6C JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x18978E82 DUP2 EQ PUSH2 0xC8 JUMPI DUP1 PUSH4 0x630F1E6C EQ PUSH2 0xF2 JUMPI DUP1 PUSH4 0x8DA5CB5B EQ PUSH2 0x112 JUMPI DUP1 PUSH4 0x9395525C EQ PUSH2 0x134 JUMPI DUP1 PUSH4 0xF2FDE38B EQ PUSH2 0x147 JUMPI JUMPDEST PUSH1 0x2 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xC6 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2337 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST STOP JUMPDEST PUSH2 0xDB PUSH2 0xD6 CALLDATASIZE PUSH1 0x4 PUSH2 0x1DA0 JUMP JUMPDEST PUSH2 0x167 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xE9 SWAP3 SWAP2 SWAP1 PUSH2 0x2437 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xFE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xC6 PUSH2 0x10D CALLDATASIZE PUSH1 0x4 PUSH2 0x1E9B JUMP JUMPDEST PUSH2 0x2F7 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x11E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x127 PUSH2 0x388 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xE9 SWAP2 SWAP1 PUSH2 0x22E6 JUMP JUMPDEST PUSH2 0xDB PUSH2 0x142 CALLDATASIZE PUSH1 0x4 PUSH2 0x1CBA JUMP JUMPDEST PUSH2 0x3A4 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x153 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xC6 PUSH2 0x162 CALLDATASIZE PUSH1 0x4 PUSH2 0x1C94 JUMP JUMPDEST PUSH2 0x50A JUMP JUMPDEST PUSH2 0x16F PUSH2 0x19A9 JUMP JUMPDEST PUSH2 0x177 PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0x182 PUSH2 0x5BB JUMP JUMPDEST PUSH1 0x4 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x1F PUSH1 0x2 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH2 0x100 PUSH1 0x1 DUP9 AND ISZERO MUL ADD SWAP1 SWAP6 AND SWAP5 SWAP1 SWAP5 DIV SWAP4 DUP5 ADD DUP2 SWAP1 DIV DUP2 MUL DUP3 ADD DUP2 ADD SWAP1 SWAP3 MSTORE DUP3 DUP2 MSTORE PUSH2 0x25C SWAP4 SWAP1 SWAP3 SWAP1 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x22D JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x202 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x22D JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x210 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP DUP13 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x241 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x140 ADD MLOAD SWAP1 PUSH4 0xFFFFFFFF PUSH2 0x696 AND JUMP JUMPDEST ISZERO PUSH2 0x287 JUMPI PUSH2 0x26C DUP12 DUP12 DUP12 PUSH2 0x7C3 JUMP JUMPDEST SWAP4 POP PUSH2 0x280 DUP5 PUSH1 0x0 ADD MLOAD DUP6 PUSH1 0x60 ADD MLOAD PUSH2 0xACB JUMP JUMPDEST SWAP1 POP PUSH2 0x2AE JUMP JUMPDEST PUSH2 0x292 DUP12 DUP12 DUP12 PUSH2 0xB0D JUMP JUMPDEST SWAP4 POP DUP4 PUSH1 0x60 ADD MLOAD SWAP2 POP PUSH2 0x2A6 DUP9 DUP4 DUP10 PUSH2 0x7C3 JUMP JUMPDEST DUP5 MLOAD SWAP1 SWAP4 POP SWAP1 POP JUMPDEST PUSH2 0x2C2 DUP5 PUSH1 0x20 ADD MLOAD DUP5 PUSH1 0x20 ADD MLOAD DUP9 DUP9 PUSH2 0xD1F JUMP JUMPDEST PUSH2 0x2E9 DUP12 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x2D4 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x140 ADD MLOAD DUP3 PUSH2 0xF33 JUMP JUMPDEST POP POP SWAP8 POP SWAP8 SWAP6 POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x348 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23E7 JUMP JUMPDEST PUSH2 0x383 DUP4 DUP4 DUP1 DUP1 PUSH1 0x1F ADD PUSH1 0x20 DUP1 SWAP2 DIV MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP4 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP4 DUP4 DUP1 DUP3 DUP5 CALLDATACOPY POP DUP8 SWAP5 POP PUSH2 0xF33 SWAP4 POP POP POP POP JUMP JUMPDEST POP POP POP JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH2 0x3AC PUSH2 0x19A9 JUMP JUMPDEST PUSH2 0x3B4 PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH2 0x3C1 PUSH2 0x5BB JUMP JUMPDEST PUSH1 0x4 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x1F PUSH1 0x2 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH2 0x100 PUSH1 0x1 DUP9 AND ISZERO MUL ADD SWAP1 SWAP6 AND SWAP5 SWAP1 SWAP5 DIV SWAP4 DUP5 ADD DUP2 SWAP1 DIV DUP2 MUL DUP3 ADD DUP2 ADD SWAP1 SWAP3 MSTORE DUP3 DUP2 MSTORE PUSH2 0x441 SWAP4 SWAP1 SWAP3 SWAP1 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x22D JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x202 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x22D JUMP JUMPDEST ISZERO PUSH2 0x492 JUMPI PUSH2 0x46A PUSH8 0xDE0B6B3A7640000 PUSH2 0x464 PUSH8 0xDE0B6B3A7640000 DUP11 PUSH2 0x104F JUMP JUMPDEST CALLVALUE PUSH2 0x1099 JUMP JUMPDEST SWAP3 POP PUSH2 0x477 DUP12 DUP5 DUP13 PUSH2 0x10F1 JUMP JUMPDEST SWAP5 POP PUSH2 0x48B DUP6 PUSH1 0x0 ADD MLOAD DUP7 PUSH1 0x60 ADD MLOAD PUSH2 0xACB JUMP JUMPDEST SWAP1 POP PUSH2 0x4D6 JUMP JUMPDEST PUSH2 0x4AD PUSH8 0xD2F13F7789F0000 PUSH8 0xDE0B6B3A7640000 CALLVALUE PUSH2 0x1099 JUMP JUMPDEST SWAP3 POP PUSH2 0x4BA DUP12 DUP5 DUP13 PUSH2 0x10F1 JUMP JUMPDEST SWAP5 POP DUP5 PUSH1 0x60 ADD MLOAD SWAP2 POP PUSH2 0x4CE DUP10 DUP4 DUP11 PUSH2 0x7C3 JUMP JUMPDEST DUP6 MLOAD SWAP1 SWAP5 POP SWAP1 POP JUMPDEST PUSH2 0x4EA DUP6 PUSH1 0x20 ADD MLOAD DUP6 PUSH1 0x20 ADD MLOAD DUP10 DUP10 PUSH2 0xD1F JUMP JUMPDEST PUSH2 0x4FC DUP12 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x2D4 JUMPI INVALID JUMPDEST POP POP POP SWAP7 POP SWAP7 SWAP5 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x55B JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23E7 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0x5B8 JUMPI PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND OR SWAP1 SSTORE JUMPDEST POP JUMP JUMPDEST PUSH1 0x0 CALLVALUE GT PUSH2 0x5F5 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2347 JUMP JUMPDEST PUSH1 0x2 PUSH1 0x0 SWAP1 SLOAD SWAP1 PUSH2 0x100 EXP SWAP1 DIV PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH4 0xD0E30DB0 CALLVALUE PUSH1 0x40 MLOAD DUP3 PUSH4 0xFFFFFFFF AND PUSH29 0x100000000000000000000000000000000000000000000000000000000 MUL DUP2 MSTORE PUSH1 0x4 ADD PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 DUP6 DUP9 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x67B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x68F JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 MLOAD DUP4 MLOAD EQ DUP1 ISZERO PUSH2 0x7BA JUMPI POP DUP2 PUSH1 0x40 MLOAD DUP1 DUP3 DUP1 MLOAD SWAP1 PUSH1 0x20 ADD SWAP1 DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x6F2 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x6B5 JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 MLOAD SWAP2 SWAP1 SWAP4 ADD DUP2 SWAP1 SUB DUP2 KECCAK256 DUP9 MLOAD SWAP1 SWAP6 POP DUP9 SWAP5 POP SWAP1 SWAP3 DUP4 SWAP3 POP DUP5 ADD SWAP1 DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x787 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x74A JUMP JUMPDEST PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB DUP1 NOT DUP3 MLOAD AND DUP2 DUP5 MLOAD AND DUP1 DUP3 OR DUP6 MSTORE POP POP POP POP POP POP SWAP1 POP ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 KECCAK256 PUSH1 0x0 NOT AND EQ JUMPDEST SWAP1 POP JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH2 0x7CB PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 PUSH2 0x7DE PUSH2 0x19A9 JUMP JUMPDEST DUP11 ISZERO ISZERO PUSH2 0x7EA JUMPI PUSH2 0xABC JUMP JUMPDEST PUSH1 0x4 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x88E JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x863 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x88E JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x871 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP PUSH1 0x5 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x1F PUSH1 0x2 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH2 0x100 PUSH1 0x1 DUP9 AND ISZERO MUL ADD SWAP1 SWAP6 AND SWAP5 SWAP1 SWAP5 DIV SWAP4 DUP5 ADD DUP2 SWAP1 DIV DUP2 MUL DUP3 ADD DUP2 ADD SWAP1 SWAP3 MSTORE DUP3 DUP2 MSTORE SWAP7 SWAP15 POP SWAP2 SWAP5 POP SWAP3 POP DUP5 ADD SWAP1 POP DUP3 DUP3 DUP1 ISZERO PUSH2 0x93D JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x912 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x93D JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x920 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP SWAP7 POP PUSH1 0x0 SWAP6 POP DUP12 MLOAD SWAP5 POP PUSH1 0x0 SWAP4 POP JUMPDEST DUP4 DUP6 EQ PUSH2 0xA82 JUMPI DUP8 DUP13 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x967 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x140 ADD MSTORE DUP12 MLOAD DUP8 SWAP1 DUP14 SWAP1 DUP7 SWAP1 DUP2 LT PUSH2 0x986 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x160 ADD MSTORE PUSH2 0x99F DUP12 DUP8 PUSH2 0xACB JUMP JUMPDEST SWAP3 POP PUSH2 0xA06 DUP13 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x9B2 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0xA0 ADD MLOAD PUSH2 0xA00 DUP15 DUP8 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x9D1 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0x80 ADD MLOAD DUP16 DUP9 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x9ED JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0xE0 ADD MLOAD PUSH2 0xACB JUMP JUMPDEST DUP6 PUSH2 0x1099 JUMP JUMPDEST SWAP2 POP PUSH2 0xA4B DUP13 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA19 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0xA2E DUP5 PUSH1 0x1 PUSH2 0x104F JUMP JUMPDEST DUP13 DUP8 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA3C JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x1295 JUMP JUMPDEST SWAP1 POP PUSH2 0xA57 DUP10 DUP3 PUSH2 0x130D JUMP JUMPDEST PUSH2 0xA69 DUP10 PUSH1 0x0 ADD MLOAD DUP11 PUSH1 0x60 ADD MLOAD PUSH2 0xACB JUMP JUMPDEST SWAP6 POP DUP11 DUP7 LT PUSH2 0xA77 JUMPI PUSH2 0xA82 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP4 ADD SWAP3 PUSH2 0x951 JUMP JUMPDEST DUP11 DUP7 LT ISZERO PUSH2 0xABC JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23C7 JUMP JUMPDEST POP POP POP POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 GT ISZERO PUSH2 0xB07 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2367 JUMP JUMPDEST POP SWAP1 SUB SWAP1 JUMP JUMPDEST PUSH2 0xB15 PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH2 0xB26 PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x0 DUP12 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xB37 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP2 SWAP1 SWAP2 ADD DUP2 ADD MLOAD PUSH2 0x140 ADD MLOAD PUSH1 0x5 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x2 PUSH1 0x1 DUP5 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP4 AND SWAP3 SWAP1 SWAP3 DIV PUSH1 0x1F DUP2 ADD DUP7 SWAP1 DIV DUP7 MUL DUP4 ADD DUP7 ADD SWAP1 SWAP2 MSTORE DUP1 DUP3 MSTORE SWAP3 SWAP12 POP SWAP3 SWAP1 SWAP2 SWAP1 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0xBEF JUMPI DUP1 PUSH1 0x1F LT PUSH2 0xBC4 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0xBEF JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0xBD2 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP SWAP7 POP DUP12 MLOAD SWAP6 POP PUSH1 0x0 SWAP5 POP JUMPDEST DUP5 DUP7 EQ PUSH2 0xCE5 JUMPI DUP8 DUP13 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xC15 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x140 ADD MSTORE DUP12 MLOAD DUP8 SWAP1 DUP14 SWAP1 DUP8 SWAP1 DUP2 LT PUSH2 0xC34 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x160 ADD MSTORE DUP9 MLOAD PUSH2 0xC50 SWAP1 DUP13 SWAP1 PUSH2 0xACB JUMP JUMPDEST SWAP4 POP PUSH2 0xC93 DUP13 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xC63 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0xA0 ADD MLOAD DUP14 DUP8 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xC7F JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0x80 ADD MLOAD DUP7 PUSH2 0x1099 JUMP JUMPDEST SWAP3 POP PUSH2 0xCBF DUP13 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xCA6 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP5 DUP13 DUP9 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA3C JUMPI INVALID JUMPDEST SWAP2 POP PUSH2 0xCCB DUP10 DUP4 PUSH2 0x130D JUMP JUMPDEST POP DUP8 MLOAD DUP11 DUP2 LT PUSH2 0xCDA JUMPI PUSH2 0xCE5 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP5 ADD SWAP4 PUSH2 0xBFF JUMP JUMPDEST DUP11 DUP2 LT ISZERO PUSH2 0xABC JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23C7 JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 DUP1 PUSH7 0xB1A2BC2EC50000 DUP7 GT ISZERO PUSH2 0xD65 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23F7 JUMP JUMPDEST PUSH2 0xD6F DUP9 DUP9 PUSH2 0x104F JUMP JUMPDEST SWAP4 POP CALLVALUE DUP5 GT ISZERO PUSH2 0xDAB JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2357 JUMP JUMPDEST PUSH2 0xDB5 CALLVALUE DUP6 PUSH2 0xACB JUMP JUMPDEST SWAP3 POP PUSH2 0xDCA DUP7 PUSH8 0xDE0B6B3A7640000 DUP11 PUSH2 0x1099 JUMP JUMPDEST SWAP2 POP DUP3 DUP3 GT ISZERO PUSH2 0xE06 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23D7 JUMP JUMPDEST PUSH1 0x0 DUP4 GT ISZERO PUSH2 0xF29 JUMPI PUSH1 0x2 SLOAD PUSH1 0x40 MLOAD PUSH32 0x2E1A7D4D00000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP2 AND SWAP1 PUSH4 0x2E1A7D4D SWAP1 PUSH2 0xE65 SWAP1 DUP7 SWAP1 PUSH1 0x4 ADD PUSH2 0x2453 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0xE7F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0xE93 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x0 DUP3 GT ISZERO PUSH2 0xEE5 JUMPI PUSH1 0x40 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 AND SWAP1 DUP4 ISZERO PUSH2 0x8FC MUL SWAP1 DUP5 SWAP1 PUSH1 0x0 DUP2 DUP2 DUP2 DUP6 DUP9 DUP9 CALL SWAP4 POP POP POP POP ISZERO DUP1 ISZERO PUSH2 0xEE3 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP JUMPDEST PUSH2 0xEEF DUP4 DUP4 PUSH2 0xACB JUMP JUMPDEST SWAP1 POP PUSH1 0x0 DUP2 GT ISZERO PUSH2 0xF29 JUMPI PUSH1 0x40 MLOAD CALLER SWAP1 DUP3 ISZERO PUSH2 0x8FC MUL SWAP1 DUP4 SWAP1 PUSH1 0x0 DUP2 DUP2 DUP2 DUP6 DUP9 DUP9 CALL SWAP4 POP POP POP POP ISZERO DUP1 ISZERO PUSH2 0xF27 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP JUMPDEST POP POP POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0xF45 DUP4 DUP3 PUSH4 0xFFFFFFFF PUSH2 0x136F AND JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x4552433230546F6B656E28616464726573732900000000000000000000000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x13 ADD SWAP1 KECCAK256 SWAP1 SWAP2 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP1 DUP4 AND SWAP2 AND EQ ISZERO PUSH2 0xFB5 JUMPI PUSH2 0xFB0 DUP4 DUP4 PUSH2 0x13DC JUMP JUMPDEST PUSH2 0x383 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x455243373231546F6B656E28616464726573732C75696E743235362900000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x1C ADD SWAP1 KECCAK256 PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP3 DUP2 AND SWAP2 AND EQ ISZERO PUSH2 0x101D JUMPI PUSH2 0xFB0 DUP4 DUP4 PUSH2 0x15CA JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23A7 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 ADD DUP4 DUP2 LT ISZERO PUSH2 0x108E JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2397 JUMP JUMPDEST DUP1 SWAP2 POP JUMPDEST POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP4 GT PUSH2 0x10D4 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2387 JUMP JUMPDEST PUSH2 0x10E7 PUSH2 0x10E1 DUP6 DUP5 PUSH2 0x16B2 JUMP JUMPDEST DUP5 PUSH2 0x170D JUMP JUMPDEST SWAP1 POP JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH2 0x10F9 PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 PUSH2 0x1109 PUSH2 0x19A9 JUMP JUMPDEST DUP10 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1118 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP2 SWAP1 SWAP2 ADD DUP2 ADD MLOAD PUSH2 0x140 ADD MLOAD PUSH1 0x5 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x2 PUSH1 0x1 DUP5 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP4 AND SWAP3 SWAP1 SWAP3 DIV PUSH1 0x1F DUP2 ADD DUP7 SWAP1 DIV DUP7 MUL DUP4 ADD DUP7 ADD SWAP1 SWAP2 MSTORE DUP1 DUP3 MSTORE SWAP3 SWAP10 POP SWAP3 SWAP1 SWAP2 SWAP1 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x11D0 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x11A5 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x11D0 JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x11B3 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP SWAP5 POP DUP10 MLOAD SWAP4 POP PUSH1 0x0 SWAP3 POP JUMPDEST DUP3 DUP5 EQ PUSH2 0x1288 JUMPI DUP6 DUP11 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x11F6 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x140 ADD MSTORE DUP10 MLOAD DUP6 SWAP1 DUP12 SWAP1 DUP6 SWAP1 DUP2 LT PUSH2 0x1215 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x160 ADD DUP2 SWAP1 MSTORE POP PUSH2 0x1235 DUP10 DUP9 PUSH1 0x20 ADD MLOAD PUSH2 0xACB JUMP JUMPDEST SWAP2 POP PUSH2 0x1261 DUP11 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1248 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP4 DUP11 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA3C JUMPI INVALID JUMPDEST SWAP1 POP PUSH2 0x126D DUP8 DUP3 PUSH2 0x130D JUMP JUMPDEST PUSH1 0x20 DUP8 ADD MLOAD DUP10 GT PUSH2 0x127D JUMPI PUSH2 0x1288 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP3 ADD SWAP2 PUSH2 0x11E0 JUMP JUMPDEST POP POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH2 0x129D PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x0 PUSH2 0x12AC DUP7 DUP7 DUP7 PUSH2 0x1724 JUMP JUMPDEST PUSH1 0x1 SLOAD DUP2 MLOAD SWAP2 SWAP4 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP2 POP PUSH1 0x80 SWAP1 DUP4 SWAP1 PUSH1 0x20 DUP3 ADD PUSH1 0x0 DUP6 GAS CALL DUP1 ISZERO PUSH2 0x1303 JUMPI DUP3 MLOAD DUP5 MSTORE PUSH1 0x20 DUP4 ADD MLOAD PUSH1 0x20 DUP6 ADD MSTORE PUSH1 0x40 DUP4 ADD MLOAD PUSH1 0x40 DUP6 ADD MSTORE PUSH1 0x60 DUP4 ADD MLOAD PUSH1 0x60 DUP6 ADD MSTORE JUMPDEST POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST DUP2 MLOAD DUP2 MLOAD PUSH2 0x131B SWAP2 SWAP1 PUSH2 0x104F JUMP JUMPDEST DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 ADD MLOAD SWAP1 DUP3 ADD MLOAD PUSH2 0x1331 SWAP2 SWAP1 PUSH2 0x104F JUMP JUMPDEST PUSH1 0x20 DUP4 ADD MSTORE PUSH1 0x40 DUP1 DUP4 ADD MLOAD SWAP1 DUP3 ADD MLOAD PUSH2 0x134A SWAP2 SWAP1 PUSH2 0x104F JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MSTORE PUSH1 0x60 DUP1 DUP4 ADD MLOAD SWAP1 DUP3 ADD MLOAD PUSH2 0x1363 SWAP2 SWAP1 PUSH2 0x104F JUMP JUMPDEST PUSH1 0x60 SWAP1 SWAP3 ADD SWAP2 SWAP1 SWAP2 MSTORE POP JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x4 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x13B1 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2417 JUMP JUMPDEST POP ADD PUSH1 0x20 ADD MLOAD PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0x13F0 DUP5 PUSH1 0x10 PUSH4 0xFFFFFFFF PUSH2 0x18F6 AND JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x7472616E7366657228616464726573732C75696E743235362900000000000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x19 ADD DUP2 KECCAK256 SWAP2 SWAP4 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND SWAP2 SWAP1 PUSH2 0x144E SWAP1 CALLER SWAP1 DUP8 SWAP1 PUSH1 0x24 ADD PUSH2 0x231C JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 DUP2 DUP5 SUB ADD DUP2 MSTORE SWAP2 DUP2 MSTORE PUSH1 0x20 DUP3 ADD DUP1 MLOAD PUSH28 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 OR DUP4 MSTORE MLOAD DUP2 MLOAD SWAP2 SWAP3 SWAP1 SWAP2 DUP3 SWAP2 SWAP1 DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x14F2 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x14DA JUMP JUMPDEST POP POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x151F JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP2 POP POP PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP7 GAS CALL SWAP3 POP POP POP DUP1 ISZERO ISZERO PUSH2 0x156E JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23B7 JUMP JUMPDEST RETURNDATASIZE ISZERO PUSH2 0x158B JUMPI POP PUSH1 0x0 RETURNDATASIZE PUSH1 0x20 EQ ISZERO PUSH2 0x158B JUMPI PUSH1 0x20 PUSH1 0x0 DUP1 RETURNDATACOPY POP PUSH1 0x0 MLOAD JUMPDEST DUP1 ISZERO ISZERO PUSH2 0x15C4 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23B7 JUMP JUMPDEST POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x1 DUP4 EQ PUSH2 0x1607 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2427 JUMP JUMPDEST PUSH2 0x1618 DUP5 PUSH1 0x10 PUSH4 0xFFFFFFFF PUSH2 0x18F6 AND JUMP JUMPDEST SWAP2 POP PUSH2 0x162B DUP5 PUSH1 0x24 PUSH4 0xFFFFFFFF PUSH2 0x1957 AND JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH32 0x23B872DD00000000000000000000000000000000000000000000000000000000 DUP2 MSTORE SWAP1 SWAP2 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND SWAP1 PUSH4 0x23B872DD SWAP1 PUSH2 0x1684 SWAP1 ADDRESS SWAP1 CALLER SWAP1 DUP7 SWAP1 PUSH1 0x4 ADD PUSH2 0x22F4 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x169E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0xF29 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST PUSH1 0x0 DUP1 DUP4 ISZERO ISZERO PUSH2 0x16C5 JUMPI PUSH1 0x0 SWAP2 POP PUSH2 0x1092 JUMP JUMPDEST POP DUP3 DUP3 MUL DUP3 DUP5 DUP3 DUP2 ISZERO ISZERO PUSH2 0x16D5 JUMPI INVALID JUMPDEST DIV EQ PUSH2 0x108E JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2397 JUMP JUMPDEST PUSH1 0x0 DUP1 DUP3 DUP5 DUP2 ISZERO ISZERO PUSH2 0x171B JUMPI INVALID JUMPDEST DIV SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0xB4BE83D500000000000000000000000000000000000000000000000000000000 PUSH1 0x20 DUP1 DUP4 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0x60 PUSH1 0x24 DUP4 ADD DUP2 DUP2 MSTORE DUP8 MLOAD PUSH1 0x84 DUP6 ADD SWAP1 DUP2 MSTORE DUP9 DUP5 ADD MLOAD PUSH1 0xA4 DUP7 ADD MSTORE SWAP5 DUP9 ADD MLOAD PUSH1 0xC4 DUP6 ADD MSTORE SWAP1 DUP8 ADD MLOAD PUSH1 0xE4 DUP5 ADD MSTORE PUSH1 0x80 DUP8 ADD MLOAD PUSH2 0x104 DUP5 ADD MSTORE PUSH1 0xA0 DUP8 ADD MLOAD PUSH2 0x124 DUP5 ADD MSTORE PUSH1 0xC0 DUP8 ADD MLOAD PUSH2 0x144 DUP5 ADD MSTORE PUSH1 0xE0 DUP8 ADD MLOAD PUSH2 0x164 DUP5 ADD MSTORE PUSH2 0x100 DUP8 ADD MLOAD PUSH2 0x184 DUP5 ADD MSTORE PUSH2 0x120 DUP8 ADD MLOAD PUSH2 0x1A4 DUP5 ADD MSTORE PUSH2 0x140 DUP8 ADD DUP1 MLOAD PUSH2 0x1C4 DUP6 ADD SWAP1 DUP2 MSTORE PUSH2 0x160 DUP10 ADD MLOAD PUSH2 0x1E4 DUP7 ADD MSTORE PUSH2 0x180 SWAP1 MSTORE MLOAD DUP1 MLOAD PUSH2 0x204 DUP6 ADD DUP2 SWAP1 MSTORE SWAP4 SWAP5 SWAP2 SWAP4 DUP5 SWAP4 PUSH1 0x44 DUP8 ADD SWAP3 DUP5 SWAP3 PUSH2 0x224 DUP10 ADD SWAP3 SWAP2 DUP3 ADD SWAP2 PUSH1 0x1F DUP3 ADD DIV PUSH1 0x0 JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x182B JUMPI DUP4 MLOAD DUP6 MSTORE PUSH1 0x20 SWAP5 DUP6 ADD SWAP5 SWAP1 SWAP4 ADD SWAP3 PUSH1 0x1 ADD PUSH2 0x180D JUMP JUMPDEST POP POP POP POP DUP2 DUP2 SUB PUSH2 0x160 DUP1 DUP5 ADD SWAP2 SWAP1 SWAP2 MSTORE DUP11 ADD MLOAD DUP1 MLOAD DUP1 DUP4 MSTORE PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 DUP3 ADD SWAP2 PUSH1 0x1F DUP3 ADD DIV PUSH1 0x0 JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x1874 JUMPI DUP4 MLOAD DUP6 MSTORE PUSH1 0x20 SWAP5 DUP6 ADD SWAP5 SWAP1 SWAP4 ADD SWAP3 PUSH1 0x1 ADD PUSH2 0x1856 JUMP JUMPDEST POP POP POP DUP10 DUP5 MSTORE POP DUP5 DUP2 SUB PUSH1 0x20 SWAP4 DUP5 ADD SWAP1 DUP2 MSTORE DUP9 MLOAD DUP1 DUP4 MSTORE SWAP1 SWAP4 SWAP2 DUP3 ADD SWAP2 DUP10 DUP2 ADD SWAP2 SWAP1 PUSH1 0x1F DUP3 ADD DIV PUSH1 0x0 JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x18BC JUMPI DUP4 MLOAD DUP6 MSTORE PUSH1 0x20 SWAP5 DUP6 ADD SWAP5 SWAP1 SWAP4 ADD SWAP3 PUSH1 0x1 ADD PUSH2 0x189E JUMP JUMPDEST POP POP POP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 DUP9 DUP4 SUB ADD DUP9 MSTORE POP PUSH1 0x40 MSTORE POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x14 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x1938 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2407 JUMP JUMPDEST POP ADD PUSH1 0x14 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x7BA DUP4 DUP4 PUSH1 0x0 DUP2 PUSH1 0x20 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x19A0 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2377 JUMP JUMPDEST POP ADD PUSH1 0x20 ADD MLOAD SWAP1 JUMP JUMPDEST PUSH1 0x80 PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE POP SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x7BA DUP3 CALLDATALOAD PUSH2 0x24EF JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x19EF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x1A02 PUSH2 0x19FD DUP3 PUSH2 0x2488 JUMP JUMPDEST PUSH2 0x2461 JUMP JUMPDEST DUP2 DUP2 MSTORE PUSH1 0x20 SWAP4 DUP5 ADD SWAP4 SWAP1 SWAP3 POP DUP3 ADD DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x1A40 JUMPI DUP2 CALLDATALOAD DUP7 ADD PUSH2 0x1A2A DUP9 DUP3 PUSH2 0x1AF0 JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0x1A14 JUMP JUMPDEST POP POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x1A5B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x1A69 PUSH2 0x19FD DUP3 PUSH2 0x2488 JUMP JUMPDEST DUP2 DUP2 MSTORE PUSH1 0x20 SWAP4 DUP5 ADD SWAP4 SWAP1 SWAP3 POP DUP3 ADD DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x1A40 JUMPI DUP2 CALLDATALOAD DUP7 ADD PUSH2 0x1A91 DUP9 DUP3 PUSH2 0x1B3F JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0x1A7B JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x1F DUP4 ADD DUP5 SGT PUSH2 0x1AB9 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP DUP2 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1AD1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x20 DUP4 ADD SWAP2 POP DUP4 PUSH1 0x1 DUP3 MUL DUP4 ADD GT ISZERO PUSH2 0x1AE9 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x1B01 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x1B0F PUSH2 0x19FD DUP3 PUSH2 0x24A9 JUMP JUMPDEST SWAP2 POP DUP1 DUP3 MSTORE PUSH1 0x20 DUP4 ADD PUSH1 0x20 DUP4 ADD DUP6 DUP4 DUP4 ADD GT ISZERO PUSH2 0x1B2B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1B36 DUP4 DUP3 DUP5 PUSH2 0x250B JUMP JUMPDEST POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x180 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x1B52 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1B5D PUSH2 0x180 PUSH2 0x2461 JUMP JUMPDEST SWAP1 POP PUSH1 0x0 PUSH2 0x1B6B DUP5 DUP5 PUSH2 0x19D2 JUMP JUMPDEST DUP3 MSTORE POP PUSH1 0x20 PUSH2 0x1B7C DUP5 DUP5 DUP4 ADD PUSH2 0x19D2 JUMP JUMPDEST PUSH1 0x20 DUP4 ADD MSTORE POP PUSH1 0x40 PUSH2 0x1B90 DUP5 DUP3 DUP6 ADD PUSH2 0x19D2 JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MSTORE POP PUSH1 0x60 PUSH2 0x1BA4 DUP5 DUP3 DUP6 ADD PUSH2 0x19D2 JUMP JUMPDEST PUSH1 0x60 DUP4 ADD MSTORE POP PUSH1 0x80 PUSH2 0x1BB8 DUP5 DUP3 DUP6 ADD PUSH2 0x1C88 JUMP JUMPDEST PUSH1 0x80 DUP4 ADD MSTORE POP PUSH1 0xA0 PUSH2 0x1BCC DUP5 DUP3 DUP6 ADD PUSH2 0x1C88 JUMP JUMPDEST PUSH1 0xA0 DUP4 ADD MSTORE POP PUSH1 0xC0 PUSH2 0x1BE0 DUP5 DUP3 DUP6 ADD PUSH2 0x1C88 JUMP JUMPDEST PUSH1 0xC0 DUP4 ADD MSTORE POP PUSH1 0xE0 PUSH2 0x1BF4 DUP5 DUP3 DUP6 ADD PUSH2 0x1C88 JUMP JUMPDEST PUSH1 0xE0 DUP4 ADD MSTORE POP PUSH2 0x100 PUSH2 0x1C09 DUP5 DUP3 DUP6 ADD PUSH2 0x1C88 JUMP JUMPDEST PUSH2 0x100 DUP4 ADD MSTORE POP PUSH2 0x120 PUSH2 0x1C1F DUP5 DUP3 DUP6 ADD PUSH2 0x1C88 JUMP JUMPDEST PUSH2 0x120 DUP4 ADD MSTORE POP PUSH2 0x140 DUP3 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1C41 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1C4D DUP5 DUP3 DUP6 ADD PUSH2 0x1AF0 JUMP JUMPDEST PUSH2 0x140 DUP4 ADD MSTORE POP PUSH2 0x160 DUP3 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1C6F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1C7B DUP5 DUP3 DUP6 ADD PUSH2 0x1AF0 JUMP JUMPDEST PUSH2 0x160 DUP4 ADD MSTORE POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x7BA DUP3 CALLDATALOAD PUSH2 0x2508 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x1CA6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x1CB2 DUP5 DUP5 PUSH2 0x19D2 JUMP JUMPDEST SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0xC0 DUP8 DUP10 SUB SLT ISZERO PUSH2 0x1CD3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP7 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1CEA JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1CF6 DUP10 DUP3 DUP11 ADD PUSH2 0x1A4A JUMP JUMPDEST SWAP7 POP POP PUSH1 0x20 DUP8 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1D13 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1D1F DUP10 DUP3 DUP11 ADD PUSH2 0x19DE JUMP JUMPDEST SWAP6 POP POP PUSH1 0x40 DUP8 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1D3C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1D48 DUP10 DUP3 DUP11 ADD PUSH2 0x1A4A JUMP JUMPDEST SWAP5 POP POP PUSH1 0x60 DUP8 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1D65 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1D71 DUP10 DUP3 DUP11 ADD PUSH2 0x19DE JUMP JUMPDEST SWAP4 POP POP PUSH1 0x80 PUSH2 0x1D82 DUP10 DUP3 DUP11 ADD PUSH2 0x1C88 JUMP JUMPDEST SWAP3 POP POP PUSH1 0xA0 PUSH2 0x1D93 DUP10 DUP3 DUP11 ADD PUSH2 0x19D2 JUMP JUMPDEST SWAP2 POP POP SWAP3 SWAP6 POP SWAP3 SWAP6 POP SWAP3 SWAP6 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0xE0 DUP9 DUP11 SUB SLT ISZERO PUSH2 0x1DBB JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP8 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1DD2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1DDE DUP11 DUP3 DUP12 ADD PUSH2 0x1A4A JUMP JUMPDEST SWAP8 POP POP PUSH1 0x20 PUSH2 0x1DEF DUP11 DUP3 DUP12 ADD PUSH2 0x1C88 JUMP JUMPDEST SWAP7 POP POP PUSH1 0x40 DUP9 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1E0C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1E18 DUP11 DUP3 DUP12 ADD PUSH2 0x19DE JUMP JUMPDEST SWAP6 POP POP PUSH1 0x60 DUP9 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1E35 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1E41 DUP11 DUP3 DUP12 ADD PUSH2 0x1A4A JUMP JUMPDEST SWAP5 POP POP PUSH1 0x80 DUP9 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1E5E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1E6A DUP11 DUP3 DUP12 ADD PUSH2 0x19DE JUMP JUMPDEST SWAP4 POP POP PUSH1 0xA0 PUSH2 0x1E7B DUP11 DUP3 DUP12 ADD PUSH2 0x1C88 JUMP JUMPDEST SWAP3 POP POP PUSH1 0xC0 PUSH2 0x1E8C DUP11 DUP3 DUP12 ADD PUSH2 0x19D2 JUMP JUMPDEST SWAP2 POP POP SWAP3 SWAP6 SWAP9 SWAP2 SWAP5 SWAP8 POP SWAP3 SWAP6 POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x40 DUP5 DUP7 SUB SLT ISZERO PUSH2 0x1EB0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP4 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1EC7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1ED3 DUP7 DUP3 DUP8 ADD PUSH2 0x1AA7 JUMP JUMPDEST SWAP4 POP SWAP4 POP POP PUSH1 0x20 PUSH2 0x1EE6 DUP7 DUP3 DUP8 ADD PUSH2 0x1C88 JUMP JUMPDEST SWAP2 POP POP SWAP3 POP SWAP3 POP SWAP3 JUMP JUMPDEST PUSH2 0x1EF9 DUP2 PUSH2 0x24EF JUMP JUMPDEST DUP3 MSTORE POP POP JUMP JUMPDEST PUSH1 0x23 DUP2 MSTORE PUSH32 0x44454641554C545F46554E4354494F4E5F574554485F434F4E54524143545F4F PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x4E4C590000000000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x11 DUP2 MSTORE PUSH32 0x494E56414C49445F4D53475F56414C5545000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xD DUP2 MSTORE PUSH32 0x4F564552534F4C445F5745544800000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x11 DUP2 MSTORE PUSH32 0x55494E543235365F554E444552464C4F57000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x26 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F33325F4C454E4754485F5245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5155495245440000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x10 DUP2 MSTORE PUSH32 0x4449564953494F4E5F42595F5A45524F00000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x10 DUP2 MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x17 DUP2 MSTORE PUSH32 0x554E535550504F525445445F41535345545F50524F5859000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xF DUP2 MSTORE PUSH32 0x5452414E534645525F4641494C45440000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x14 DUP2 MSTORE PUSH32 0x434F4D504C4554455F46494C4C5F4641494C4544000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x1A DUP2 MSTORE PUSH32 0x494E53554646494349454E545F4554485F52454D41494E494E47000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x13 DUP2 MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x18 DUP2 MSTORE PUSH32 0x4645455F50455243454E544147455F544F4F5F4C415247450000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x26 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F32305F4C454E4754485F5245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5155495245440000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x25 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F345F4C454E4754485F524551 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5549524544000000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0xE DUP2 MSTORE PUSH32 0x494E56414C49445F414D4F554E54000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST DUP1 MLOAD PUSH1 0x80 DUP4 ADD SWAP1 PUSH2 0x22A8 DUP5 DUP3 PUSH2 0x22DD JUMP JUMPDEST POP PUSH1 0x20 DUP3 ADD MLOAD PUSH2 0x22BB PUSH1 0x20 DUP6 ADD DUP3 PUSH2 0x22DD JUMP JUMPDEST POP PUSH1 0x40 DUP3 ADD MLOAD PUSH2 0x22CE PUSH1 0x40 DUP6 ADD DUP3 PUSH2 0x22DD JUMP JUMPDEST POP PUSH1 0x60 DUP3 ADD MLOAD PUSH2 0x15C4 PUSH1 0x60 DUP6 ADD DUP3 JUMPDEST PUSH2 0x1EF9 DUP2 PUSH2 0x2508 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x7BD DUP3 DUP5 PUSH2 0x1EF0 JUMP JUMPDEST PUSH1 0x60 DUP2 ADD PUSH2 0x2302 DUP3 DUP7 PUSH2 0x1EF0 JUMP JUMPDEST PUSH2 0x230F PUSH1 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+ "opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0x6C JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x18978E82 DUP2 EQ PUSH2 0xC8 JUMPI DUP1 PUSH4 0x630F1E6C EQ PUSH2 0xF2 JUMPI DUP1 PUSH4 0x8DA5CB5B EQ PUSH2 0x112 JUMPI DUP1 PUSH4 0x9395525C EQ PUSH2 0x134 JUMPI DUP1 PUSH4 0xF2FDE38B EQ PUSH2 0x147 JUMPI JUMPDEST PUSH1 0x2 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xC6 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2337 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST STOP JUMPDEST PUSH2 0xDB PUSH2 0xD6 CALLDATASIZE PUSH1 0x4 PUSH2 0x1DA0 JUMP JUMPDEST PUSH2 0x167 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xE9 SWAP3 SWAP2 SWAP1 PUSH2 0x2437 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xFE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xC6 PUSH2 0x10D CALLDATASIZE PUSH1 0x4 PUSH2 0x1E9B JUMP JUMPDEST PUSH2 0x2F7 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x11E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x127 PUSH2 0x388 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xE9 SWAP2 SWAP1 PUSH2 0x22E6 JUMP JUMPDEST PUSH2 0xDB PUSH2 0x142 CALLDATASIZE PUSH1 0x4 PUSH2 0x1CBA JUMP JUMPDEST PUSH2 0x3A4 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x153 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xC6 PUSH2 0x162 CALLDATASIZE PUSH1 0x4 PUSH2 0x1C94 JUMP JUMPDEST PUSH2 0x50A JUMP JUMPDEST PUSH2 0x16F PUSH2 0x19A9 JUMP JUMPDEST PUSH2 0x177 PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0x182 PUSH2 0x5BB JUMP JUMPDEST PUSH1 0x4 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x1F PUSH1 0x2 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH2 0x100 PUSH1 0x1 DUP9 AND ISZERO MUL ADD SWAP1 SWAP6 AND SWAP5 SWAP1 SWAP5 DIV SWAP4 DUP5 ADD DUP2 SWAP1 DIV DUP2 MUL DUP3 ADD DUP2 ADD SWAP1 SWAP3 MSTORE DUP3 DUP2 MSTORE PUSH2 0x25C SWAP4 SWAP1 SWAP3 SWAP1 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x22D JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x202 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x22D JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x210 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP DUP13 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x241 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x140 ADD MLOAD SWAP1 PUSH4 0xFFFFFFFF PUSH2 0x696 AND JUMP JUMPDEST ISZERO PUSH2 0x287 JUMPI PUSH2 0x26C DUP12 DUP12 DUP12 PUSH2 0x7C3 JUMP JUMPDEST SWAP4 POP PUSH2 0x280 DUP5 PUSH1 0x0 ADD MLOAD DUP6 PUSH1 0x60 ADD MLOAD PUSH2 0xACB JUMP JUMPDEST SWAP1 POP PUSH2 0x2AE JUMP JUMPDEST PUSH2 0x292 DUP12 DUP12 DUP12 PUSH2 0xB0D JUMP JUMPDEST SWAP4 POP DUP4 PUSH1 0x60 ADD MLOAD SWAP2 POP PUSH2 0x2A6 DUP9 DUP4 DUP10 PUSH2 0x7C3 JUMP JUMPDEST DUP5 MLOAD SWAP1 SWAP4 POP SWAP1 POP JUMPDEST PUSH2 0x2C2 DUP5 PUSH1 0x20 ADD MLOAD DUP5 PUSH1 0x20 ADD MLOAD DUP9 DUP9 PUSH2 0xD1F JUMP JUMPDEST PUSH2 0x2E9 DUP12 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x2D4 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x140 ADD MLOAD DUP3 PUSH2 0xF33 JUMP JUMPDEST POP POP SWAP8 POP SWAP8 SWAP6 POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x348 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23E7 JUMP JUMPDEST PUSH2 0x383 DUP4 DUP4 DUP1 DUP1 PUSH1 0x1F ADD PUSH1 0x20 DUP1 SWAP2 DIV MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP4 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP4 DUP4 DUP1 DUP3 DUP5 CALLDATACOPY POP DUP8 SWAP5 POP PUSH2 0xF33 SWAP4 POP POP POP POP JUMP JUMPDEST POP POP POP JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH2 0x3AC PUSH2 0x19A9 JUMP JUMPDEST PUSH2 0x3B4 PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH2 0x3C1 PUSH2 0x5BB JUMP JUMPDEST PUSH1 0x4 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x1F PUSH1 0x2 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH2 0x100 PUSH1 0x1 DUP9 AND ISZERO MUL ADD SWAP1 SWAP6 AND SWAP5 SWAP1 SWAP5 DIV SWAP4 DUP5 ADD DUP2 SWAP1 DIV DUP2 MUL DUP3 ADD DUP2 ADD SWAP1 SWAP3 MSTORE DUP3 DUP2 MSTORE PUSH2 0x441 SWAP4 SWAP1 SWAP3 SWAP1 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x22D JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x202 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x22D JUMP JUMPDEST ISZERO PUSH2 0x492 JUMPI PUSH2 0x46A PUSH8 0xDE0B6B3A7640000 PUSH2 0x464 PUSH8 0xDE0B6B3A7640000 DUP11 PUSH2 0x104F JUMP JUMPDEST CALLVALUE PUSH2 0x1099 JUMP JUMPDEST SWAP3 POP PUSH2 0x477 DUP12 DUP5 DUP13 PUSH2 0x10F1 JUMP JUMPDEST SWAP5 POP PUSH2 0x48B DUP6 PUSH1 0x0 ADD MLOAD DUP7 PUSH1 0x60 ADD MLOAD PUSH2 0xACB JUMP JUMPDEST SWAP1 POP PUSH2 0x4D6 JUMP JUMPDEST PUSH2 0x4AD PUSH8 0xD2F13F7789F0000 PUSH8 0xDE0B6B3A7640000 CALLVALUE PUSH2 0x1099 JUMP JUMPDEST SWAP3 POP PUSH2 0x4BA DUP12 DUP5 DUP13 PUSH2 0x10F1 JUMP JUMPDEST SWAP5 POP DUP5 PUSH1 0x60 ADD MLOAD SWAP2 POP PUSH2 0x4CE DUP10 DUP4 DUP11 PUSH2 0x7C3 JUMP JUMPDEST DUP6 MLOAD SWAP1 SWAP5 POP SWAP1 POP JUMPDEST PUSH2 0x4EA DUP6 PUSH1 0x20 ADD MLOAD DUP6 PUSH1 0x20 ADD MLOAD DUP10 DUP10 PUSH2 0xD1F JUMP JUMPDEST PUSH2 0x4FC DUP12 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x2D4 JUMPI INVALID JUMPDEST POP POP POP SWAP7 POP SWAP7 SWAP5 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x55B JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23E7 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0x5B8 JUMPI PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND OR SWAP1 SSTORE JUMPDEST POP JUMP JUMPDEST PUSH1 0x0 CALLVALUE GT PUSH2 0x5F5 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2347 JUMP JUMPDEST PUSH1 0x2 PUSH1 0x0 SWAP1 SLOAD SWAP1 PUSH2 0x100 EXP SWAP1 DIV PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH4 0xD0E30DB0 CALLVALUE PUSH1 0x40 MLOAD DUP3 PUSH4 0xFFFFFFFF AND PUSH29 0x100000000000000000000000000000000000000000000000000000000 MUL DUP2 MSTORE PUSH1 0x4 ADD PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 DUP6 DUP9 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x67B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x68F JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 MLOAD DUP4 MLOAD EQ DUP1 ISZERO PUSH2 0x7BA JUMPI POP DUP2 PUSH1 0x40 MLOAD DUP1 DUP3 DUP1 MLOAD SWAP1 PUSH1 0x20 ADD SWAP1 DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x6F2 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x6B5 JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 MLOAD SWAP2 SWAP1 SWAP4 ADD DUP2 SWAP1 SUB DUP2 KECCAK256 DUP9 MLOAD SWAP1 SWAP6 POP DUP9 SWAP5 POP SWAP1 SWAP3 DUP4 SWAP3 POP DUP5 ADD SWAP1 DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x787 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x74A JUMP JUMPDEST PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB DUP1 NOT DUP3 MLOAD AND DUP2 DUP5 MLOAD AND DUP1 DUP3 OR DUP6 MSTORE POP POP POP POP POP POP SWAP1 POP ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 KECCAK256 PUSH1 0x0 NOT AND EQ JUMPDEST SWAP1 POP JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH2 0x7CB PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 PUSH2 0x7DE PUSH2 0x19A9 JUMP JUMPDEST DUP11 ISZERO ISZERO PUSH2 0x7EA JUMPI PUSH2 0xABC JUMP JUMPDEST PUSH1 0x4 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x88E JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x863 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x88E JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x871 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP PUSH1 0x5 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x1F PUSH1 0x2 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH2 0x100 PUSH1 0x1 DUP9 AND ISZERO MUL ADD SWAP1 SWAP6 AND SWAP5 SWAP1 SWAP5 DIV SWAP4 DUP5 ADD DUP2 SWAP1 DIV DUP2 MUL DUP3 ADD DUP2 ADD SWAP1 SWAP3 MSTORE DUP3 DUP2 MSTORE SWAP7 SWAP15 POP SWAP2 SWAP5 POP SWAP3 POP DUP5 ADD SWAP1 POP DUP3 DUP3 DUP1 ISZERO PUSH2 0x93D JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x912 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x93D JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x920 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP SWAP7 POP PUSH1 0x0 SWAP6 POP DUP12 MLOAD SWAP5 POP PUSH1 0x0 SWAP4 POP JUMPDEST DUP4 DUP6 EQ PUSH2 0xA82 JUMPI DUP8 DUP13 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x967 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x140 ADD MSTORE DUP12 MLOAD DUP8 SWAP1 DUP14 SWAP1 DUP7 SWAP1 DUP2 LT PUSH2 0x986 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x160 ADD MSTORE PUSH2 0x99F DUP12 DUP8 PUSH2 0xACB JUMP JUMPDEST SWAP3 POP PUSH2 0xA06 DUP13 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x9B2 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0xA0 ADD MLOAD PUSH2 0xA00 DUP15 DUP8 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x9D1 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0x80 ADD MLOAD DUP16 DUP9 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x9ED JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0xE0 ADD MLOAD PUSH2 0xACB JUMP JUMPDEST DUP6 PUSH2 0x1099 JUMP JUMPDEST SWAP2 POP PUSH2 0xA4B DUP13 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA19 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0xA2E DUP5 PUSH1 0x1 PUSH2 0x104F JUMP JUMPDEST DUP13 DUP8 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA3C JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x1295 JUMP JUMPDEST SWAP1 POP PUSH2 0xA57 DUP10 DUP3 PUSH2 0x130D JUMP JUMPDEST PUSH2 0xA69 DUP10 PUSH1 0x0 ADD MLOAD DUP11 PUSH1 0x60 ADD MLOAD PUSH2 0xACB JUMP JUMPDEST SWAP6 POP DUP11 DUP7 LT PUSH2 0xA77 JUMPI PUSH2 0xA82 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP4 ADD SWAP3 PUSH2 0x951 JUMP JUMPDEST DUP11 DUP7 LT ISZERO PUSH2 0xABC JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23C7 JUMP JUMPDEST POP POP POP POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 GT ISZERO PUSH2 0xB07 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2367 JUMP JUMPDEST POP SWAP1 SUB SWAP1 JUMP JUMPDEST PUSH2 0xB15 PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH2 0xB26 PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x0 DUP12 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xB37 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP2 SWAP1 SWAP2 ADD DUP2 ADD MLOAD PUSH2 0x140 ADD MLOAD PUSH1 0x5 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x2 PUSH1 0x1 DUP5 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP4 AND SWAP3 SWAP1 SWAP3 DIV PUSH1 0x1F DUP2 ADD DUP7 SWAP1 DIV DUP7 MUL DUP4 ADD DUP7 ADD SWAP1 SWAP2 MSTORE DUP1 DUP3 MSTORE SWAP3 SWAP12 POP SWAP3 SWAP1 SWAP2 SWAP1 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0xBEF JUMPI DUP1 PUSH1 0x1F LT PUSH2 0xBC4 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0xBEF JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0xBD2 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP SWAP7 POP DUP12 MLOAD SWAP6 POP PUSH1 0x0 SWAP5 POP JUMPDEST DUP5 DUP7 EQ PUSH2 0xCE5 JUMPI DUP8 DUP13 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xC15 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x140 ADD MSTORE DUP12 MLOAD DUP8 SWAP1 DUP14 SWAP1 DUP8 SWAP1 DUP2 LT PUSH2 0xC34 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x160 ADD MSTORE DUP9 MLOAD PUSH2 0xC50 SWAP1 DUP13 SWAP1 PUSH2 0xACB JUMP JUMPDEST SWAP4 POP PUSH2 0xC93 DUP13 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xC63 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0xA0 ADD MLOAD DUP14 DUP8 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xC7F JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0x80 ADD MLOAD DUP7 PUSH2 0x1099 JUMP JUMPDEST SWAP3 POP PUSH2 0xCBF DUP13 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xCA6 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP5 DUP13 DUP9 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA3C JUMPI INVALID JUMPDEST SWAP2 POP PUSH2 0xCCB DUP10 DUP4 PUSH2 0x130D JUMP JUMPDEST POP DUP8 MLOAD DUP11 DUP2 LT PUSH2 0xCDA JUMPI PUSH2 0xCE5 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP5 ADD SWAP4 PUSH2 0xBFF JUMP JUMPDEST DUP11 DUP2 LT ISZERO PUSH2 0xABC JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23C7 JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 DUP1 PUSH7 0xB1A2BC2EC50000 DUP7 GT ISZERO PUSH2 0xD65 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23F7 JUMP JUMPDEST PUSH2 0xD6F DUP9 DUP9 PUSH2 0x104F JUMP JUMPDEST SWAP4 POP CALLVALUE DUP5 GT ISZERO PUSH2 0xDAB JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2357 JUMP JUMPDEST PUSH2 0xDB5 CALLVALUE DUP6 PUSH2 0xACB JUMP JUMPDEST SWAP3 POP PUSH2 0xDCA DUP7 PUSH8 0xDE0B6B3A7640000 DUP11 PUSH2 0x1099 JUMP JUMPDEST SWAP2 POP DUP3 DUP3 GT ISZERO PUSH2 0xE06 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23D7 JUMP JUMPDEST PUSH1 0x0 DUP4 GT ISZERO PUSH2 0xF29 JUMPI PUSH1 0x2 SLOAD PUSH1 0x40 MLOAD PUSH32 0x2E1A7D4D00000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP2 AND SWAP1 PUSH4 0x2E1A7D4D SWAP1 PUSH2 0xE65 SWAP1 DUP7 SWAP1 PUSH1 0x4 ADD PUSH2 0x2453 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0xE7F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0xE93 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x0 DUP3 GT ISZERO PUSH2 0xEE5 JUMPI PUSH1 0x40 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 AND SWAP1 DUP4 ISZERO PUSH2 0x8FC MUL SWAP1 DUP5 SWAP1 PUSH1 0x0 DUP2 DUP2 DUP2 DUP6 DUP9 DUP9 CALL SWAP4 POP POP POP POP ISZERO DUP1 ISZERO PUSH2 0xEE3 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP JUMPDEST PUSH2 0xEEF DUP4 DUP4 PUSH2 0xACB JUMP JUMPDEST SWAP1 POP PUSH1 0x0 DUP2 GT ISZERO PUSH2 0xF29 JUMPI PUSH1 0x40 MLOAD CALLER SWAP1 DUP3 ISZERO PUSH2 0x8FC MUL SWAP1 DUP4 SWAP1 PUSH1 0x0 DUP2 DUP2 DUP2 DUP6 DUP9 DUP9 CALL SWAP4 POP POP POP POP ISZERO DUP1 ISZERO PUSH2 0xF27 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP JUMPDEST POP POP POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0xF45 DUP4 DUP3 PUSH4 0xFFFFFFFF PUSH2 0x136F AND JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x4552433230546F6B656E28616464726573732900000000000000000000000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x13 ADD SWAP1 KECCAK256 SWAP1 SWAP2 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP1 DUP4 AND SWAP2 AND EQ ISZERO PUSH2 0xFB5 JUMPI PUSH2 0xFB0 DUP4 DUP4 PUSH2 0x13DC JUMP JUMPDEST PUSH2 0x383 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x455243373231546F6B656E28616464726573732C75696E743235362900000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x1C ADD SWAP1 KECCAK256 PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP3 DUP2 AND SWAP2 AND EQ ISZERO PUSH2 0x101D JUMPI PUSH2 0xFB0 DUP4 DUP4 PUSH2 0x15CA JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23A7 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 ADD DUP4 DUP2 LT ISZERO PUSH2 0x108E JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2397 JUMP JUMPDEST DUP1 SWAP2 POP JUMPDEST POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP4 GT PUSH2 0x10D4 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2387 JUMP JUMPDEST PUSH2 0x10E7 PUSH2 0x10E1 DUP6 DUP5 PUSH2 0x16B2 JUMP JUMPDEST DUP5 PUSH2 0x170D JUMP JUMPDEST SWAP1 POP JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH2 0x10F9 PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 PUSH2 0x1109 PUSH2 0x19A9 JUMP JUMPDEST DUP10 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1118 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP2 SWAP1 SWAP2 ADD DUP2 ADD MLOAD PUSH2 0x140 ADD MLOAD PUSH1 0x5 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x2 PUSH1 0x1 DUP5 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP4 AND SWAP3 SWAP1 SWAP3 DIV PUSH1 0x1F DUP2 ADD DUP7 SWAP1 DIV DUP7 MUL DUP4 ADD DUP7 ADD SWAP1 SWAP2 MSTORE DUP1 DUP3 MSTORE SWAP3 SWAP10 POP SWAP3 SWAP1 SWAP2 SWAP1 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x11D0 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x11A5 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x11D0 JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x11B3 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP SWAP5 POP DUP10 MLOAD SWAP4 POP PUSH1 0x0 SWAP3 POP JUMPDEST DUP3 DUP5 EQ PUSH2 0x1288 JUMPI DUP6 DUP11 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x11F6 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x140 ADD MSTORE DUP10 MLOAD DUP6 SWAP1 DUP12 SWAP1 DUP6 SWAP1 DUP2 LT PUSH2 0x1215 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x160 ADD DUP2 SWAP1 MSTORE POP PUSH2 0x1235 DUP10 DUP9 PUSH1 0x20 ADD MLOAD PUSH2 0xACB JUMP JUMPDEST SWAP2 POP PUSH2 0x1261 DUP11 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1248 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP4 DUP11 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA3C JUMPI INVALID JUMPDEST SWAP1 POP PUSH2 0x126D DUP8 DUP3 PUSH2 0x130D JUMP JUMPDEST PUSH1 0x20 DUP8 ADD MLOAD DUP10 GT PUSH2 0x127D JUMPI PUSH2 0x1288 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP3 ADD SWAP2 PUSH2 0x11E0 JUMP JUMPDEST POP POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH2 0x129D PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x0 PUSH2 0x12AC DUP7 DUP7 DUP7 PUSH2 0x1724 JUMP JUMPDEST PUSH1 0x1 SLOAD DUP2 MLOAD SWAP2 SWAP4 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP2 POP PUSH1 0x80 SWAP1 DUP4 SWAP1 PUSH1 0x20 DUP3 ADD PUSH1 0x0 DUP6 GAS CALL DUP1 ISZERO PUSH2 0x1303 JUMPI DUP3 MLOAD DUP5 MSTORE PUSH1 0x20 DUP4 ADD MLOAD PUSH1 0x20 DUP6 ADD MSTORE PUSH1 0x40 DUP4 ADD MLOAD PUSH1 0x40 DUP6 ADD MSTORE PUSH1 0x60 DUP4 ADD MLOAD PUSH1 0x60 DUP6 ADD MSTORE JUMPDEST POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST DUP2 MLOAD DUP2 MLOAD PUSH2 0x131B SWAP2 SWAP1 PUSH2 0x104F JUMP JUMPDEST DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 ADD MLOAD SWAP1 DUP3 ADD MLOAD PUSH2 0x1331 SWAP2 SWAP1 PUSH2 0x104F JUMP JUMPDEST PUSH1 0x20 DUP4 ADD MSTORE PUSH1 0x40 DUP1 DUP4 ADD MLOAD SWAP1 DUP3 ADD MLOAD PUSH2 0x134A SWAP2 SWAP1 PUSH2 0x104F JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MSTORE PUSH1 0x60 DUP1 DUP4 ADD MLOAD SWAP1 DUP3 ADD MLOAD PUSH2 0x1363 SWAP2 SWAP1 PUSH2 0x104F JUMP JUMPDEST PUSH1 0x60 SWAP1 SWAP3 ADD SWAP2 SWAP1 SWAP2 MSTORE POP JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x4 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x13B1 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2417 JUMP JUMPDEST POP ADD PUSH1 0x20 ADD MLOAD PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0x13F0 DUP5 PUSH1 0x10 PUSH4 0xFFFFFFFF PUSH2 0x18F6 AND JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x7472616E7366657228616464726573732C75696E743235362900000000000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x19 ADD DUP2 KECCAK256 SWAP2 SWAP4 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND SWAP2 SWAP1 PUSH2 0x144E SWAP1 CALLER SWAP1 DUP8 SWAP1 PUSH1 0x24 ADD PUSH2 0x231C JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 DUP2 DUP5 SUB ADD DUP2 MSTORE SWAP2 DUP2 MSTORE PUSH1 0x20 DUP3 ADD DUP1 MLOAD PUSH28 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 OR DUP4 MSTORE MLOAD DUP2 MLOAD SWAP2 SWAP3 SWAP1 SWAP2 DUP3 SWAP2 SWAP1 DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x14F2 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x14DA JUMP JUMPDEST POP POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x151F JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP2 POP POP PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP7 GAS CALL SWAP3 POP POP POP DUP1 ISZERO ISZERO PUSH2 0x156E JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23B7 JUMP JUMPDEST RETURNDATASIZE ISZERO PUSH2 0x158B JUMPI POP PUSH1 0x0 RETURNDATASIZE PUSH1 0x20 EQ ISZERO PUSH2 0x158B JUMPI PUSH1 0x20 PUSH1 0x0 DUP1 RETURNDATACOPY POP PUSH1 0x0 MLOAD JUMPDEST DUP1 ISZERO ISZERO PUSH2 0x15C4 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23B7 JUMP JUMPDEST POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x1 DUP4 EQ PUSH2 0x1607 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2427 JUMP JUMPDEST PUSH2 0x1618 DUP5 PUSH1 0x10 PUSH4 0xFFFFFFFF PUSH2 0x18F6 AND JUMP JUMPDEST SWAP2 POP PUSH2 0x162B DUP5 PUSH1 0x24 PUSH4 0xFFFFFFFF PUSH2 0x1957 AND JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH32 0x23B872DD00000000000000000000000000000000000000000000000000000000 DUP2 MSTORE SWAP1 SWAP2 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND SWAP1 PUSH4 0x23B872DD SWAP1 PUSH2 0x1684 SWAP1 ADDRESS SWAP1 CALLER SWAP1 DUP7 SWAP1 PUSH1 0x4 ADD PUSH2 0x22F4 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x169E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0xF29 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST PUSH1 0x0 DUP1 DUP4 ISZERO ISZERO PUSH2 0x16C5 JUMPI PUSH1 0x0 SWAP2 POP PUSH2 0x1092 JUMP JUMPDEST POP DUP3 DUP3 MUL DUP3 DUP5 DUP3 DUP2 ISZERO ISZERO PUSH2 0x16D5 JUMPI INVALID JUMPDEST DIV EQ PUSH2 0x108E JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2397 JUMP JUMPDEST PUSH1 0x0 DUP1 DUP3 DUP5 DUP2 ISZERO ISZERO PUSH2 0x171B JUMPI INVALID JUMPDEST DIV SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0xB4BE83D500000000000000000000000000000000000000000000000000000000 PUSH1 0x20 DUP1 DUP4 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0x60 PUSH1 0x24 DUP4 ADD DUP2 DUP2 MSTORE DUP8 MLOAD PUSH1 0x84 DUP6 ADD SWAP1 DUP2 MSTORE DUP9 DUP5 ADD MLOAD PUSH1 0xA4 DUP7 ADD MSTORE SWAP5 DUP9 ADD MLOAD PUSH1 0xC4 DUP6 ADD MSTORE SWAP1 DUP8 ADD MLOAD PUSH1 0xE4 DUP5 ADD MSTORE PUSH1 0x80 DUP8 ADD MLOAD PUSH2 0x104 DUP5 ADD MSTORE PUSH1 0xA0 DUP8 ADD MLOAD PUSH2 0x124 DUP5 ADD MSTORE PUSH1 0xC0 DUP8 ADD MLOAD PUSH2 0x144 DUP5 ADD MSTORE PUSH1 0xE0 DUP8 ADD MLOAD PUSH2 0x164 DUP5 ADD MSTORE PUSH2 0x100 DUP8 ADD MLOAD PUSH2 0x184 DUP5 ADD MSTORE PUSH2 0x120 DUP8 ADD MLOAD PUSH2 0x1A4 DUP5 ADD MSTORE PUSH2 0x140 DUP8 ADD DUP1 MLOAD PUSH2 0x1C4 DUP6 ADD SWAP1 DUP2 MSTORE PUSH2 0x160 DUP10 ADD MLOAD PUSH2 0x1E4 DUP7 ADD MSTORE PUSH2 0x180 SWAP1 MSTORE MLOAD DUP1 MLOAD PUSH2 0x204 DUP6 ADD DUP2 SWAP1 MSTORE SWAP4 SWAP5 SWAP2 SWAP4 DUP5 SWAP4 PUSH1 0x44 DUP8 ADD SWAP3 DUP5 SWAP3 PUSH2 0x224 DUP10 ADD SWAP3 SWAP2 DUP3 ADD SWAP2 PUSH1 0x1F DUP3 ADD DIV PUSH1 0x0 JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x182B JUMPI DUP4 MLOAD DUP6 MSTORE PUSH1 0x20 SWAP5 DUP6 ADD SWAP5 SWAP1 SWAP4 ADD SWAP3 PUSH1 0x1 ADD PUSH2 0x180D JUMP JUMPDEST POP POP POP POP DUP2 DUP2 SUB PUSH2 0x160 DUP1 DUP5 ADD SWAP2 SWAP1 SWAP2 MSTORE DUP11 ADD MLOAD DUP1 MLOAD DUP1 DUP4 MSTORE PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 DUP3 ADD SWAP2 PUSH1 0x1F DUP3 ADD DIV PUSH1 0x0 JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x1874 JUMPI DUP4 MLOAD DUP6 MSTORE PUSH1 0x20 SWAP5 DUP6 ADD SWAP5 SWAP1 SWAP4 ADD SWAP3 PUSH1 0x1 ADD PUSH2 0x1856 JUMP JUMPDEST POP POP POP DUP10 DUP5 MSTORE POP DUP5 DUP2 SUB PUSH1 0x20 SWAP4 DUP5 ADD SWAP1 DUP2 MSTORE DUP9 MLOAD DUP1 DUP4 MSTORE SWAP1 SWAP4 SWAP2 DUP3 ADD SWAP2 DUP10 DUP2 ADD SWAP2 SWAP1 PUSH1 0x1F DUP3 ADD DIV PUSH1 0x0 JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x18BC JUMPI DUP4 MLOAD DUP6 MSTORE PUSH1 0x20 SWAP5 DUP6 ADD SWAP5 SWAP1 SWAP4 ADD SWAP3 PUSH1 0x1 ADD PUSH2 0x189E JUMP JUMPDEST POP POP POP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 DUP9 DUP4 SUB ADD DUP9 MSTORE POP PUSH1 0x40 MSTORE POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x14 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x1938 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2407 JUMP JUMPDEST POP ADD PUSH1 0x14 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x7BA DUP4 DUP4 PUSH1 0x0 DUP2 PUSH1 0x20 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x19A0 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2377 JUMP JUMPDEST POP ADD PUSH1 0x20 ADD MLOAD SWAP1 JUMP JUMPDEST PUSH1 0x80 PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE POP SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x7BA DUP3 CALLDATALOAD PUSH2 0x24EF JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x19EF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x1A02 PUSH2 0x19FD DUP3 PUSH2 0x2488 JUMP JUMPDEST PUSH2 0x2461 JUMP JUMPDEST DUP2 DUP2 MSTORE PUSH1 0x20 SWAP4 DUP5 ADD SWAP4 SWAP1 SWAP3 POP DUP3 ADD DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x1A40 JUMPI DUP2 CALLDATALOAD DUP7 ADD PUSH2 0x1A2A DUP9 DUP3 PUSH2 0x1AF0 JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0x1A14 JUMP JUMPDEST POP POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x1A5B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x1A69 PUSH2 0x19FD DUP3 PUSH2 0x2488 JUMP JUMPDEST DUP2 DUP2 MSTORE PUSH1 0x20 SWAP4 DUP5 ADD SWAP4 SWAP1 SWAP3 POP DUP3 ADD DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x1A40 JUMPI DUP2 CALLDATALOAD DUP7 ADD PUSH2 0x1A91 DUP9 DUP3 PUSH2 0x1B3F JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0x1A7B JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x1F DUP4 ADD DUP5 SGT PUSH2 0x1AB9 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP DUP2 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1AD1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x20 DUP4 ADD SWAP2 POP DUP4 PUSH1 0x1 DUP3 MUL DUP4 ADD GT ISZERO PUSH2 0x1AE9 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x1B01 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x1B0F PUSH2 0x19FD DUP3 PUSH2 0x24A9 JUMP JUMPDEST SWAP2 POP DUP1 DUP3 MSTORE PUSH1 0x20 DUP4 ADD PUSH1 0x20 DUP4 ADD DUP6 DUP4 DUP4 ADD GT ISZERO PUSH2 0x1B2B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1B36 DUP4 DUP3 DUP5 PUSH2 0x250B JUMP JUMPDEST POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x180 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x1B52 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1B5D PUSH2 0x180 PUSH2 0x2461 JUMP JUMPDEST SWAP1 POP PUSH1 0x0 PUSH2 0x1B6B DUP5 DUP5 PUSH2 0x19D2 JUMP JUMPDEST DUP3 MSTORE POP PUSH1 0x20 PUSH2 0x1B7C DUP5 DUP5 DUP4 ADD PUSH2 0x19D2 JUMP JUMPDEST PUSH1 0x20 DUP4 ADD MSTORE POP PUSH1 0x40 PUSH2 0x1B90 DUP5 DUP3 DUP6 ADD PUSH2 0x19D2 JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MSTORE POP PUSH1 0x60 PUSH2 0x1BA4 DUP5 DUP3 DUP6 ADD PUSH2 0x19D2 JUMP JUMPDEST PUSH1 0x60 DUP4 ADD MSTORE POP PUSH1 0x80 PUSH2 0x1BB8 DUP5 DUP3 DUP6 ADD PUSH2 0x1C88 JUMP JUMPDEST PUSH1 0x80 DUP4 ADD MSTORE POP PUSH1 0xA0 PUSH2 0x1BCC DUP5 DUP3 DUP6 ADD PUSH2 0x1C88 JUMP JUMPDEST PUSH1 0xA0 DUP4 ADD MSTORE POP PUSH1 0xC0 PUSH2 0x1BE0 DUP5 DUP3 DUP6 ADD PUSH2 0x1C88 JUMP JUMPDEST PUSH1 0xC0 DUP4 ADD MSTORE POP PUSH1 0xE0 PUSH2 0x1BF4 DUP5 DUP3 DUP6 ADD PUSH2 0x1C88 JUMP JUMPDEST PUSH1 0xE0 DUP4 ADD MSTORE POP PUSH2 0x100 PUSH2 0x1C09 DUP5 DUP3 DUP6 ADD PUSH2 0x1C88 JUMP JUMPDEST PUSH2 0x100 DUP4 ADD MSTORE POP PUSH2 0x120 PUSH2 0x1C1F DUP5 DUP3 DUP6 ADD PUSH2 0x1C88 JUMP JUMPDEST PUSH2 0x120 DUP4 ADD MSTORE POP PUSH2 0x140 DUP3 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1C41 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1C4D DUP5 DUP3 DUP6 ADD PUSH2 0x1AF0 JUMP JUMPDEST PUSH2 0x140 DUP4 ADD MSTORE POP PUSH2 0x160 DUP3 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1C6F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1C7B DUP5 DUP3 DUP6 ADD PUSH2 0x1AF0 JUMP JUMPDEST PUSH2 0x160 DUP4 ADD MSTORE POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x7BA DUP3 CALLDATALOAD PUSH2 0x2508 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x1CA6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x1CB2 DUP5 DUP5 PUSH2 0x19D2 JUMP JUMPDEST SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0xC0 DUP8 DUP10 SUB SLT ISZERO PUSH2 0x1CD3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP7 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1CEA JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1CF6 DUP10 DUP3 DUP11 ADD PUSH2 0x1A4A JUMP JUMPDEST SWAP7 POP POP PUSH1 0x20 DUP8 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1D13 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1D1F DUP10 DUP3 DUP11 ADD PUSH2 0x19DE JUMP JUMPDEST SWAP6 POP POP PUSH1 0x40 DUP8 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1D3C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1D48 DUP10 DUP3 DUP11 ADD PUSH2 0x1A4A JUMP JUMPDEST SWAP5 POP POP PUSH1 0x60 DUP8 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1D65 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1D71 DUP10 DUP3 DUP11 ADD PUSH2 0x19DE JUMP JUMPDEST SWAP4 POP POP PUSH1 0x80 PUSH2 0x1D82 DUP10 DUP3 DUP11 ADD PUSH2 0x1C88 JUMP JUMPDEST SWAP3 POP POP PUSH1 0xA0 PUSH2 0x1D93 DUP10 DUP3 DUP11 ADD PUSH2 0x19D2 JUMP JUMPDEST SWAP2 POP POP SWAP3 SWAP6 POP SWAP3 SWAP6 POP SWAP3 SWAP6 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0xE0 DUP9 DUP11 SUB SLT ISZERO PUSH2 0x1DBB JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP8 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1DD2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1DDE DUP11 DUP3 DUP12 ADD PUSH2 0x1A4A JUMP JUMPDEST SWAP8 POP POP PUSH1 0x20 PUSH2 0x1DEF DUP11 DUP3 DUP12 ADD PUSH2 0x1C88 JUMP JUMPDEST SWAP7 POP POP PUSH1 0x40 DUP9 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1E0C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1E18 DUP11 DUP3 DUP12 ADD PUSH2 0x19DE JUMP JUMPDEST SWAP6 POP POP PUSH1 0x60 DUP9 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1E35 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1E41 DUP11 DUP3 DUP12 ADD PUSH2 0x1A4A JUMP JUMPDEST SWAP5 POP POP PUSH1 0x80 DUP9 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1E5E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1E6A DUP11 DUP3 DUP12 ADD PUSH2 0x19DE JUMP JUMPDEST SWAP4 POP POP PUSH1 0xA0 PUSH2 0x1E7B DUP11 DUP3 DUP12 ADD PUSH2 0x1C88 JUMP JUMPDEST SWAP3 POP POP PUSH1 0xC0 PUSH2 0x1E8C DUP11 DUP3 DUP12 ADD PUSH2 0x19D2 JUMP JUMPDEST SWAP2 POP POP SWAP3 SWAP6 SWAP9 SWAP2 SWAP5 SWAP8 POP SWAP3 SWAP6 POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x40 DUP5 DUP7 SUB SLT ISZERO PUSH2 0x1EB0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP4 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1EC7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1ED3 DUP7 DUP3 DUP8 ADD PUSH2 0x1AA7 JUMP JUMPDEST SWAP4 POP SWAP4 POP POP PUSH1 0x20 PUSH2 0x1EE6 DUP7 DUP3 DUP8 ADD PUSH2 0x1C88 JUMP JUMPDEST SWAP2 POP POP SWAP3 POP SWAP3 POP SWAP3 JUMP JUMPDEST PUSH2 0x1EF9 DUP2 PUSH2 0x24EF JUMP JUMPDEST DUP3 MSTORE POP POP JUMP JUMPDEST PUSH1 0x23 DUP2 MSTORE PUSH32 0x44454641554C545F46554E4354494F4E5F574554485F434F4E54524143545F4F PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x4E4C590000000000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x11 DUP2 MSTORE PUSH32 0x494E56414C49445F4D53475F56414C5545000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xD DUP2 MSTORE PUSH32 0x4F564552534F4C445F5745544800000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x11 DUP2 MSTORE PUSH32 0x55494E543235365F554E444552464C4F57000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x26 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F33325F4C454E4754485F5245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5155495245440000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x10 DUP2 MSTORE PUSH32 0x4449564953494F4E5F42595F5A45524F00000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x10 DUP2 MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x17 DUP2 MSTORE PUSH32 0x554E535550504F525445445F41535345545F50524F5859000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xF DUP2 MSTORE PUSH32 0x5452414E534645525F4641494C45440000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x14 DUP2 MSTORE PUSH32 0x434F4D504C4554455F46494C4C5F4641494C4544000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x1A DUP2 MSTORE PUSH32 0x494E53554646494349454E545F4554485F52454D41494E494E47000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x13 DUP2 MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x18 DUP2 MSTORE PUSH32 0x4645455F50455243454E544147455F544F4F5F4C415247450000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x26 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F32305F4C454E4754485F5245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5155495245440000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x25 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F345F4C454E4754485F524551 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5549524544000000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0xE DUP2 MSTORE PUSH32 0x494E56414C49445F414D4F554E54000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST DUP1 MLOAD PUSH1 0x80 DUP4 ADD SWAP1 PUSH2 0x22A8 DUP5 DUP3 PUSH2 0x22DD JUMP JUMPDEST POP PUSH1 0x20 DUP3 ADD MLOAD PUSH2 0x22BB PUSH1 0x20 DUP6 ADD DUP3 PUSH2 0x22DD JUMP JUMPDEST POP PUSH1 0x40 DUP3 ADD MLOAD PUSH2 0x22CE PUSH1 0x40 DUP6 ADD DUP3 PUSH2 0x22DD JUMP JUMPDEST POP PUSH1 0x60 DUP3 ADD MLOAD PUSH2 0x15C4 PUSH1 0x60 DUP6 ADD DUP3 JUMPDEST PUSH2 0x1EF9 DUP2 PUSH2 0x2508 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x7BD DUP3 DUP5 PUSH2 0x1EF0 JUMP JUMPDEST PUSH1 0x60 DUP2 ADD PUSH2 0x2302 DUP3 DUP7 PUSH2 0x1EF0 JUMP JUMPDEST PUSH2 0x230F PUSH1 0x20 DUP4 ADD DUP6 PUSH2 0x1EF0 JUMP JUMPDEST PUSH2 0x1CB2 PUSH1 0x40 DUP4 ADD DUP5 PUSH2 0x22DD JUMP JUMPDEST PUSH1 0x40 DUP2 ADD PUSH2 0x232A DUP3 DUP6 PUSH2 0x1EF0 JUMP JUMPDEST PUSH2 0x10EA PUSH1 0x20 DUP4 ADD DUP5 PUSH2 0x22DD JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x1EFF JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x1F55 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x1F85 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x1FB5 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x1FE5 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x203B JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x206B JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x209B JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x20CB JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x20FB JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x212B JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x215B JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x218B JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x21BB JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x2211 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x2267 JUMP JUMPDEST PUSH2 0x100 DUP2 ADD PUSH2 0x2446 DUP3 DUP6 PUSH2 0x2297 JUMP JUMPDEST PUSH2 0x10EA PUSH1 0x80 DUP4 ADD DUP5 PUSH2 0x2297 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x7BD DUP3 DUP5 PUSH2 0x22DD JUMP JUMPDEST PUSH1 0x40 MLOAD DUP2 DUP2 ADD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT DUP3 DUP3 LT OR ISZERO PUSH2 0x2480 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x40 MSTORE SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH8 0xFFFFFFFFFFFFFFFF DUP3 GT ISZERO PUSH2 0x249F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x20 SWAP1 DUP2 MUL ADD SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH8 0xFFFFFFFFFFFFFFFF DUP3 GT ISZERO PUSH2 0x24C0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x20 PUSH1 0x1F SWAP2 SWAP1 SWAP2 ADD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 AND ADD SWAP1 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST SWAP1 JUMP JUMPDEST DUP3 DUP2 DUP4 CALLDATACOPY POP PUSH1 0x0 SWAP2 ADD MSTORE JUMP STOP LOG2 PUSH6 0x627A7A723058 KECCAK256 XOR GAS DELEGATECALL 0xa5 0xe8 MSTORE JUMPDEST 0xc KECCAK256 SWAP9 EXTCODESIZE CALLCODE 0x2c MULMOD PUSH24 0x3A1CAB3F704716CBA4C8DA3B112601CD666C657870657269 PUSH14 0x656E74616CF50037000000000000 ", + "sourceMap": 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"2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": { + "id": 28 + }, + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": { + "id": 29 + }, + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": { + "id": 30 + }, + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": { + "id": 31 + }, + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": { + "id": 32 + }, + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": { + "id": 33 + }, + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": { + "id": 34 + }, + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": { + "id": 35 + }, + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": { + "id": 36 + }, + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": { + "id": 37 + }, + "2.0.0/protocol/Exchange/libs/LibConstants.sol": { + "id": 38 + }, + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": { + "id": 39 + }, + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": { + "id": 40 + }, + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": { + "id": 41 + }, + "2.0.0/protocol/Exchange/libs/LibMath.sol": { + "id": 42 + }, + "2.0.0/protocol/Exchange/libs/LibOrder.sol": { + "id": 43 + }, + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": { + "id": 44 + }, + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": { + "id": 45 + }, + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": { + "id": 46 + }, + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": { + "id": 47 + }, + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": { + "id": 48 + }, + "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": { + "id": 49 + }, + "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": { + "id": 50 + }, + "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": { + "id": 51 + }, + "2.0.0/tokens/ERC20Token/ERC20Token.sol": { + "id": 52 + }, + "2.0.0/tokens/ERC20Token/IERC20Token.sol": { + "id": 53 + }, + "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": { + "id": 54 + }, + "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": { + "id": 55 + }, + "2.0.0/tokens/ERC721Token/ERC721Token.sol": { + "id": 56 + }, + "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": { + "id": 57 + }, + "2.0.0/tokens/ERC721Token/IERC721Token.sol": { + "id": 58 + }, + "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": { + "id": 59 + }, + "2.0.0/tokens/EtherToken/IEtherToken.sol": { + "id": 60 + }, + "2.0.0/utils/LibBytes/LibBytes.sol": { + "id": 61 + }, + "2.0.0/utils/Ownable/IOwnable.sol": { + "id": 62 + }, + "2.0.0/utils/Ownable/Ownable.sol": { + "id": 63 + }, + "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": { + "id": 64 + }, + "2.0.0/utils/SafeMath/SafeMath.sol": { + "id": 65 + } + }, + "sourceCodes": { + "2.0.0/extensions/Forwarder/Forwarder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinWeth.sol\";\nimport \"./MixinForwarderCore.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinAssets.sol\";\nimport \"./MixinExchangeWrapper.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Forwarder is\n LibConstants,\n MixinWeth,\n MixinAssets,\n MixinExchangeWrapper,\n MixinForwarderCore\n{\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n LibConstants(\n _exchange,\n _zrxAssetData,\n _wethAssetData\n )\n MixinForwarderCore()\n {}\n}\n", + "2.0.0/extensions/Forwarder/MixinAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MAssets.sol\";\n\n\ncontract MixinAssets is\n Ownable,\n LibConstants,\n MAssets\n{\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256(\"transfer(address,uint256)\"));\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external\n onlyOwner\n {\n transferAssetToSender(assetData, amount);\n }\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n bytes4 proxyId = assetData.readBytes4(0);\n\n if (proxyId == ERC20_DATA_ID) {\n transferERC20Token(assetData, amount);\n } else if (proxyId == ERC721_DATA_ID) {\n transferERC721Token(assetData, amount);\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n }\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n address token = assetData.readAddress(16);\n\n // Transfer tokens.\n // We do a raw call so we can check the success separate\n // from the return data.\n bool success = token.call(abi.encodeWithSelector(\n ERC20_TRANSFER_SELECTOR,\n msg.sender,\n amount\n ));\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n \n // Check return data.\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // value that evaluates to true.\n assembly {\n if returndatasize {\n success := 0\n if eq(returndatasize, 32) {\n // First 64 bytes of memory are reserved scratch space\n returndatacopy(0, 0, 32)\n success := mload(0)\n }\n }\n }\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n }\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n require(\n amount == 1,\n \"INVALID_AMOUNT\"\n );\n // Decode asset data.\n address token = assetData.readAddress(16);\n uint256 tokenId = assetData.readUint256(36);\n\n // Perform transfer.\n IERC721Token(token).transferFrom(\n address(this),\n msg.sender,\n tokenId\n );\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"../../protocol/Exchange/libs/LibAbiEncoder.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinExchangeWrapper is\n LibAbiEncoder,\n LibFillResults,\n LibMath,\n LibConstants,\n MExchangeWrapper\n{\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n address exchange = address(EXCHANGE);\n\n // Call `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := call(\n gas, // forward all gas\n exchange, // call address of Exchange contract\n 0, // transfer 0 wei\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of WETH to sell\n uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of WETH\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount;\n if (makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n\n require(\n makerAssetFilledAmount >= makerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n // Do nothing if zrxBuyAmount == 0\n if (zrxBuyAmount == 0) {\n return totalFillResults;\n }\n\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n uint256 zrxPurchased = 0;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // All of these are ZRX/WETH, so we can drop the respective assetData from calldata.\n orders[i].makerAssetData = zrxAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of ZRX to buy.\n uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased);\n\n // Convert the remaining amount of ZRX to buy into remaining amount\n // of WETH to sell, assuming entire amount can be sold in the current order.\n uint256 remainingWethSellAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees \n remainingZrxBuyAmount\n );\n\n // Attempt to sell the remaining amount of WETH.\n FillResults memory singleFillResult = fillOrderNoThrow(\n orders[i],\n safeAdd(remainingWethSellAmount, 1), // we add 1 wei to the fill amount to make up for rounding errors\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker.\n addFillResults(totalFillResults, singleFillResult);\n zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid);\n\n // Stop execution if the entire amount of ZRX has been bought.\n if (zrxPurchased >= zrxBuyAmount) {\n break;\n }\n }\n\n require(\n zrxPurchased >= zrxBuyAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\nimport \"./mixins/MAssets.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"./interfaces/IForwarderCore.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinForwarderCore is\n LibFillResults,\n LibMath,\n LibConstants,\n MWeth,\n MAssets,\n MExchangeWrapper,\n IForwarderCore\n{\n using LibBytes for bytes;\n\n /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf.\n constructor ()\n public\n {\n address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID);\n require(\n proxyAddress != address(0),\n \"UNREGISTERED_ASSET_PROXY\"\n );\n ETHER_TOKEN.approve(proxyAddress, MAX_UINT);\n ZRX_TOKEN.approve(proxyAddress, MAX_UINT);\n }\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 wethSellAmount;\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // Calculate amount of WETH that won't be spent on ETH fees.\n wethSellAmount = getPartialAmountFloor(\n PERCENTAGE_DENOMINATOR,\n safeAdd(PERCENTAGE_DENOMINATOR, feePercentage),\n msg.value\n );\n // Market sell available WETH.\n // ZRX fees are paid with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // 5% of WETH is reserved for filling feeOrders and paying feeRecipient.\n wethSellAmount = getPartialAmountFloor(\n MAX_WETH_FILL_PERCENTAGE,\n PERCENTAGE_DENOMINATOR,\n msg.value\n );\n // Market sell 95% of WETH.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // If the makerAsset is ZRX, it is not necessary to pay fees out of this\n // contracts's ZRX balance because fees are factored into the price of the order.\n orderFillResults = marketBuyExactZrxWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // Attemp to purchase desired amount of makerAsset.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketBuyExactAmountWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\n\n\ncontract MixinWeth is\n LibMath,\n LibConstants,\n MWeth\n{\n /// @dev Default payabale function, this allows us to withdraw WETH\n function ()\n public\n payable\n {\n require(\n msg.sender == address(ETHER_TOKEN),\n \"DEFAULT_FUNCTION_WETH_CONTRACT_ONLY\"\n );\n }\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal\n {\n require(\n msg.value > 0,\n \"INVALID_MSG_VALUE\"\n );\n ETHER_TOKEN.deposit.value(msg.value)();\n }\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal\n {\n // Ensure feePercentage is less than 5%.\n require(\n feePercentage <= MAX_FEE_PERCENTAGE,\n \"FEE_PERCENTAGE_TOO_LARGE\"\n );\n\n // Ensure that no extra WETH owned by this contract has been sold.\n uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx);\n require(\n wethSold <= msg.value,\n \"OVERSOLD_WETH\"\n );\n\n // Calculate amount of WETH that hasn't been sold.\n uint256 wethRemaining = safeSub(msg.value, wethSold);\n\n // Calculate ETH fee to pay to feeRecipient.\n uint256 ethFee = getPartialAmountFloor(\n feePercentage,\n PERCENTAGE_DENOMINATOR,\n wethSoldExcludingFeeOrders\n );\n\n // Ensure fee is less than amount of WETH remaining.\n require(\n ethFee <= wethRemaining,\n \"INSUFFICIENT_ETH_REMAINING\"\n );\n \n // Do nothing if no WETH remaining\n if (wethRemaining > 0) {\n // Convert remaining WETH to ETH\n ETHER_TOKEN.withdraw(wethRemaining);\n\n // Pay ETH to feeRecipient\n if (ethFee > 0) {\n feeRecipient.transfer(ethFee);\n }\n\n // Refund remaining ETH to msg.sender.\n uint256 ethRefund = safeSub(wethRemaining, ethFee);\n if (ethRefund > 0) {\n msg.sender.transfer(ethRefund);\n }\n }\n }\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssets {\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external;\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract IForwarderCore {\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n}\n", + "2.0.0/extensions/Forwarder/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/LibBytes/LibBytes.sol\";\nimport \"../../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../../tokens/EtherToken/IEtherToken.sol\";\nimport \"../../../tokens/ERC20Token/IERC20Token.sol\";\n\n\ncontract LibConstants {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n uint256 constant internal MAX_UINT = 2**256 - 1;\n uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; \n uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5%\n uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95%\n \n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n IEtherToken internal ETHER_TOKEN;\n IERC20Token internal ZRX_TOKEN;\n bytes internal ZRX_ASSET_DATA;\n bytes internal WETH_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n WETH_ASSET_DATA = _wethAssetData;\n\n address etherToken = _wethAssetData.readAddress(16);\n address zrxToken = _zrxAssetData.readAddress(16);\n ETHER_TOKEN = IEtherToken(etherToken);\n ZRX_TOKEN = IERC20Token(zrxToken);\n }\n}\n", + "2.0.0/extensions/Forwarder/mixins/MAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssets.sol\";\n\n\ncontract MAssets is\n IAssets\n{\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract MExchangeWrapper {\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n}\n", + "2.0.0/extensions/Forwarder/mixins/MWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract MWeth {\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal;\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal;\n}\n", + "2.0.0/extensions/OrderValidator/OrderValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract OrderValidator {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n struct TraderInfo {\n uint256 makerBalance; // Maker's balance of makerAsset\n uint256 makerAllowance; // Maker's allowance to corresponding AssetProxy\n uint256 takerBalance; // Taker's balance of takerAsset\n uint256 takerAllowance; // Taker's allowance to corresponding AssetProxy\n uint256 makerZrxBalance; // Maker's balance of ZRX\n uint256 makerZrxAllowance; // Maker's allowance of ZRX to ERC20Proxy\n uint256 takerZrxBalance; // Taker's balance of ZRX\n uint256 takerZrxAllowance; // Taker's allowance of ZRX to ERC20Proxy\n }\n\n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n bytes internal ZRX_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (address _exchange, bytes memory _zrxAssetData)\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n }\n\n /// @dev Fetches information for order and maker/taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return OrderInfo and TraderInfo instances for given order.\n function getOrderAndTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo, TraderInfo memory traderInfo)\n {\n orderInfo = EXCHANGE.getOrderInfo(order);\n traderInfo = getTraderInfo(order, takerAddress);\n return (orderInfo, traderInfo);\n }\n\n /// @dev Fetches information for all passed in orders and the makers/takers of each order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Arrays of OrderInfo and TraderInfo instances that correspond to each order.\n function getOrdersAndTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (LibOrder.OrderInfo[] memory ordersInfo, TraderInfo[] memory tradersInfo)\n {\n ordersInfo = EXCHANGE.getOrdersInfo(orders);\n tradersInfo = getTradersInfo(orders, takerAddresses);\n return (ordersInfo, tradersInfo);\n }\n\n /// @dev Fetches balance and allowances for maker and taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return Balances and allowances of maker and taker of order.\n function getTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (TraderInfo memory traderInfo)\n {\n (traderInfo.makerBalance, traderInfo.makerAllowance) = getBalanceAndAllowance(order.makerAddress, order.makerAssetData);\n (traderInfo.takerBalance, traderInfo.takerAllowance) = getBalanceAndAllowance(takerAddress, order.takerAssetData);\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n (traderInfo.makerZrxBalance, traderInfo.makerZrxAllowance) = getBalanceAndAllowance(order.makerAddress, zrxAssetData);\n (traderInfo.takerZrxBalance, traderInfo.takerZrxAllowance) = getBalanceAndAllowance(takerAddress, zrxAssetData);\n return traderInfo;\n }\n\n /// @dev Fetches balances and allowances of maker and taker for each provided order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Array of balances and allowances for maker and taker of each order.\n function getTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (TraderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n TraderInfo[] memory tradersInfo = new TraderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n tradersInfo[i] = getTraderInfo(orders[i], takerAddresses[i]);\n }\n return tradersInfo;\n }\n\n /// @dev Fetches token balances and allowances of an address to given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Encoded data that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balance of asset and allowance set to given proxy of asset.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalanceAndAllowance(address target, bytes memory assetData)\n public\n view\n returns (uint256 balance, uint256 allowance)\n {\n bytes4 assetProxyId = assetData.readBytes4(0);\n address token = assetData.readAddress(16);\n address assetProxy = EXCHANGE.getAssetProxy(assetProxyId);\n\n if (assetProxyId == ERC20_DATA_ID) {\n // Query balance\n balance = IERC20Token(token).balanceOf(target);\n\n // Query allowance\n allowance = IERC20Token(token).allowance(target, assetProxy);\n } else if (assetProxyId == ERC721_DATA_ID) {\n uint256 tokenId = assetData.readUint256(36);\n\n // Query owner of tokenId\n address owner = getERC721TokenOwner(token, tokenId);\n\n // Set balance to 1 if tokenId is owned by target\n balance = target == owner ? 1 : 0;\n\n // Check if ERC721Proxy is approved to spend tokenId\n bool isApproved = IERC721Token(token).isApprovedForAll(target, assetProxy) || IERC721Token(token).getApproved(tokenId) == assetProxy;\n \n // Set alowance to 1 if ERC721Proxy is approved to spend tokenId\n allowance = isApproved ? 1 : 0;\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n return (balance, allowance);\n }\n\n /// @dev Fetches token balances and allowances of an address for each given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Array of encoded byte arrays that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balances and allowances of assets.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalancesAndAllowances(address target, bytes[] memory assetData)\n public\n view\n returns (uint256[] memory, uint256[] memory)\n {\n uint256 length = assetData.length;\n uint256[] memory balances = new uint256[](length);\n uint256[] memory allowances = new uint256[](length);\n for (uint256 i = 0; i != length; i++) {\n (balances[i], allowances[i]) = getBalanceAndAllowance(target, assetData[i]);\n }\n return (balances, allowances);\n }\n\n /// @dev Calls `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token.\n /// @param token Address of ERC721 token.\n /// @param tokenId The identifier for the specific NFT.\n /// @return Owner of tokenId or null address if unowned.\n function getERC721TokenOwner(address token, uint256 tokenId)\n public\n view\n returns (address owner)\n {\n assembly {\n // load free memory pointer\n let cdStart := mload(64)\n\n // bytes4(keccak256(ownerOf(uint256))) = 0x6352211e\n mstore(cdStart, 0x6352211e00000000000000000000000000000000000000000000000000000000)\n mstore(add(cdStart, 4), tokenId)\n\n // staticcall `ownerOf(tokenId)`\n // `ownerOf` will revert if tokenId is not owned\n let success := staticcall(\n gas, // forward all gas\n token, // call token contract\n cdStart, // start of calldata\n 36, // length of input is 36 bytes\n cdStart, // write output over input\n 32 // size of output is 32 bytes\n )\n\n // Success implies that tokenId is owned\n // Copy owner from return data if successful\n if success {\n owner := mload(cdStart)\n } \n }\n\n // Owner initialized to address(0), no need to modify if call is unsuccessful\n return owner;\n }\n}\n", + "2.0.0/multisig/MultiSigWallet.sol": "// solhint-disable\npragma solidity ^0.4.15;\n\n\n/// @title Multisignature wallet - Allows multiple parties to agree on transactions before execution.\n/// @author Stefan George - \ncontract MultiSigWallet {\n\n /*\n * Events\n */\n event Confirmation(address indexed sender, uint indexed transactionId);\n event Revocation(address indexed sender, uint indexed transactionId);\n event Submission(uint indexed transactionId);\n event Execution(uint indexed transactionId);\n event ExecutionFailure(uint indexed transactionId);\n event Deposit(address indexed sender, uint value);\n event OwnerAddition(address indexed owner);\n event OwnerRemoval(address indexed owner);\n event RequirementChange(uint required);\n\n /*\n * Constants\n */\n uint constant public MAX_OWNER_COUNT = 50;\n\n /*\n * Storage\n */\n mapping (uint => Transaction) public transactions;\n mapping (uint => mapping (address => bool)) public confirmations;\n mapping (address => bool) public isOwner;\n address[] public owners;\n uint public required;\n uint public transactionCount;\n\n struct Transaction {\n address destination;\n uint value;\n bytes data;\n bool executed;\n }\n\n /*\n * Modifiers\n */\n modifier onlyWallet() {\n require(msg.sender == address(this));\n _;\n }\n\n modifier ownerDoesNotExist(address owner) {\n require(!isOwner[owner]);\n _;\n }\n\n modifier ownerExists(address owner) {\n require(isOwner[owner]);\n _;\n }\n\n modifier transactionExists(uint transactionId) {\n require(transactions[transactionId].destination != 0);\n _;\n }\n\n modifier confirmed(uint transactionId, address owner) {\n require(confirmations[transactionId][owner]);\n _;\n }\n\n modifier notConfirmed(uint transactionId, address owner) {\n require(!confirmations[transactionId][owner]);\n _;\n }\n\n modifier notExecuted(uint transactionId) {\n require(!transactions[transactionId].executed);\n _;\n }\n\n modifier notNull(address _address) {\n require(_address != 0);\n _;\n }\n\n modifier validRequirement(uint ownerCount, uint _required) {\n require(ownerCount <= MAX_OWNER_COUNT\n && _required <= ownerCount\n && _required != 0\n && ownerCount != 0);\n _;\n }\n\n /// @dev Fallback function allows to deposit ether.\n function()\n payable\n {\n if (msg.value > 0)\n Deposit(msg.sender, msg.value);\n }\n\n /*\n * Public functions\n */\n /// @dev Contract constructor sets initial owners and required number of confirmations.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n function MultiSigWallet(address[] _owners, uint _required)\n public\n validRequirement(_owners.length, _required)\n {\n for (uint i=0; i<_owners.length; i++) {\n require(!isOwner[_owners[i]] && _owners[i] != 0);\n isOwner[_owners[i]] = true;\n }\n owners = _owners;\n required = _required;\n }\n\n /// @dev Allows to add a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of new owner.\n function addOwner(address owner)\n public\n onlyWallet\n ownerDoesNotExist(owner)\n notNull(owner)\n validRequirement(owners.length + 1, required)\n {\n isOwner[owner] = true;\n owners.push(owner);\n OwnerAddition(owner);\n }\n\n /// @dev Allows to remove an owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner.\n function removeOwner(address owner)\n public\n onlyWallet\n ownerExists(owner)\n {\n isOwner[owner] = false;\n for (uint i=0; i owners.length)\n changeRequirement(owners.length);\n OwnerRemoval(owner);\n }\n\n /// @dev Allows to replace an owner with a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner to be replaced.\n /// @param newOwner Address of new owner.\n function replaceOwner(address owner, address newOwner)\n public\n onlyWallet\n ownerExists(owner)\n ownerDoesNotExist(newOwner)\n {\n for (uint i=0; i\n// solhint-disable not-rely-on-time\ncontract MultiSigWalletWithTimeLock is\n MultiSigWallet\n{\n event ConfirmationTimeSet(uint256 indexed transactionId, uint256 confirmationTime);\n event TimeLockChange(uint256 secondsTimeLocked);\n\n uint256 public secondsTimeLocked;\n\n mapping (uint256 => uint256) public confirmationTimes;\n\n modifier notFullyConfirmed(uint256 transactionId) {\n require(\n !isConfirmed(transactionId),\n \"TX_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier fullyConfirmed(uint256 transactionId) {\n require(\n isConfirmed(transactionId),\n \"TX_NOT_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier pastTimeLock(uint256 transactionId) {\n require(\n block.timestamp >= confirmationTimes[transactionId] + secondsTimeLocked,\n \"TIME_LOCK_INCOMPLETE\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations, and time lock.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] _owners,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWallet(_owners, _required)\n {\n secondsTimeLocked = _secondsTimeLocked;\n }\n\n /// @dev Changes the duration of the time lock for transactions.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n function changeTimeLock(uint256 _secondsTimeLocked)\n public\n onlyWallet\n {\n secondsTimeLocked = _secondsTimeLocked;\n emit TimeLockChange(_secondsTimeLocked);\n }\n\n /// @dev Allows an owner to confirm a transaction.\n /// @param transactionId Transaction ID.\n function confirmTransaction(uint256 transactionId)\n public\n ownerExists(msg.sender)\n transactionExists(transactionId)\n notConfirmed(transactionId, msg.sender)\n notFullyConfirmed(transactionId)\n {\n confirmations[transactionId][msg.sender] = true;\n emit Confirmation(msg.sender, transactionId);\n if (isConfirmed(transactionId)) {\n setConfirmationTime(transactionId, block.timestamp);\n }\n }\n\n /// @dev Allows anyone to execute a confirmed transaction.\n /// @param transactionId Transaction ID.\n function executeTransaction(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n pastTimeLock(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n\n /// @dev Sets the time of when a submission first passed.\n function setConfirmationTime(uint256 transactionId, uint256 confirmationTime)\n internal\n {\n confirmationTimes[transactionId] = confirmationTime;\n emit ConfirmationTimeSet(transactionId, confirmationTime);\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC20Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n \n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 1 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n\n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. amount |\n\n /////// Read token address from calldata ///////\n // * The token address is stored in `assetData`.\n //\n // * The \"offset to assetData\" is stored at offset 4 in the calldata (table 1).\n // [assetDataOffsetFromParams = calldataload(4)]\n //\n // * Notes that the \"offset to assetData\" is relative to the \"Params\" area of calldata;\n // add 4 bytes to account for the length of the \"Header\" area (table 1).\n // [assetDataOffsetFromHeader = assetDataOffsetFromParams + 4]\n //\n // * The \"token address\" is offset 32+4=36 bytes into \"assetData\" (tables 1 & 2).\n // [tokenOffset = assetDataOffsetFromHeader + 36 = calldataload(4) + 4 + 36]\n let token := calldataload(add(calldataload(4), 40))\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from`, `to` and `amount` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 96)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output over input\n 32 // output size should be 32 bytes\n )\n\n /////// Check return data. ///////\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // nonzero 32 bytes value.\n // So the transfer succeeded if the call succeeded and either\n // returned nothing, or returned a non-zero 32 byte value. \n success := and(success, or(\n iszero(returndatasize),\n and(\n eq(returndatasize, 32),\n gt(mload(0), 0)\n )\n ))\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC721Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 2 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n // | | 36 | | 2. tokenId |\n \n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. tokenId |\n\n // There exists only 1 of each token.\n // require(amount == 1, \"INVALID_AMOUNT\")\n if sub(calldataload(100), 1) {\n // Revert with `Error(\"INVALID_AMOUNT\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from` and `to` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 64)\n\n // Copy `tokenId` field from our own calldata to the new calldata.\n let assetDataOffset := calldataload(4)\n calldatacopy(68, add(assetDataOffset, 72), 32)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let token := calldataload(add(assetDataOffset, 40))\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output to null\n 0 // output size is 0 bytes\n )\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAuthorizable.sol\";\n\n\ncontract MixinAuthorizable is\n Ownable,\n MAuthorizable\n{\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized {\n require(\n authorized[msg.sender],\n \"SENDER_NOT_AUTHORIZED\"\n );\n _;\n }\n\n mapping (address => bool) public authorized;\n address[] public authorities;\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n !authorized[target],\n \"TARGET_ALREADY_AUTHORIZED\"\n );\n\n authorized[target] = true;\n authorities.push(target);\n emit AuthorizedAddressAdded(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n\n delete authorized[target];\n for (uint256 i = 0; i < authorities.length; i++) {\n if (authorities[i] == target) {\n authorities[i] = authorities[authorities.length - 1];\n authorities.length -= 1;\n break;\n }\n }\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n require(\n index < authorities.length,\n \"INDEX_OUT_OF_BOUNDS\"\n );\n require(\n authorities[index] == target,\n \"AUTHORIZED_ADDRESS_MISMATCH\"\n );\n\n delete authorized[target];\n authorities[index] = authorities[authorities.length - 1];\n authorities.length -= 1;\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory)\n {\n return authorities;\n }\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IAuthorizable.sol\";\n\n\ncontract IAssetProxy is\n IAuthorizable\n{\n /// @dev Transfers assets. Either succeeds or throws.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n function transferFrom(\n bytes assetData,\n address from,\n address to,\n uint256 amount\n )\n external;\n \n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4);\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/Ownable/IOwnable.sol\";\n\n\ncontract IAuthorizable is\n IOwnable\n{\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external;\n \n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory);\n}\n", + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAuthorizable.sol\";\n\n\ncontract MAuthorizable is\n IAuthorizable\n{\n // Event logged when a new address is authorized.\n event AuthorizedAddressAdded(\n address indexed target,\n address indexed caller\n );\n\n // Event logged when a currently authorized address is unauthorized.\n event AuthorizedAddressRemoved(\n address indexed target,\n address indexed caller\n );\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized { revert(); _; }\n}\n", + "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../multisig/MultiSigWalletWithTimeLock.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract AssetProxyOwner is\n MultiSigWalletWithTimeLock\n{\n using LibBytes for bytes;\n\n event AssetProxyRegistration(address assetProxyContract, bool isRegistered);\n\n // Mapping of AssetProxy contract address =>\n // if this contract is allowed to call the AssetProxy's `removeAuthorizedAddressAtIndex` method without a time lock.\n mapping (address => bool) public isAssetProxyRegistered;\n\n bytes4 constant internal REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR = bytes4(keccak256(\"removeAuthorizedAddressAtIndex(address,uint256)\"));\n\n /// @dev Function will revert if the transaction does not call `removeAuthorizedAddressAtIndex`\n /// on an approved AssetProxy contract.\n modifier validRemoveAuthorizedAddressAtIndexTx(uint256 transactionId) {\n Transaction storage txn = transactions[transactionId];\n require(\n isAssetProxyRegistered[txn.destination],\n \"UNREGISTERED_ASSET_PROXY\"\n );\n require(\n txn.data.readBytes4(0) == REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR,\n \"INVALID_FUNCTION_SELECTOR\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations,\n /// time lock, and list of AssetProxy addresses.\n /// @param _owners List of initial owners.\n /// @param _assetProxyContracts Array of AssetProxy contract addresses.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] memory _owners,\n address[] memory _assetProxyContracts,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWalletWithTimeLock(_owners, _required, _secondsTimeLocked)\n {\n for (uint256 i = 0; i < _assetProxyContracts.length; i++) {\n address assetProxy = _assetProxyContracts[i];\n require(\n assetProxy != address(0),\n \"INVALID_ASSET_PROXY\"\n );\n isAssetProxyRegistered[assetProxy] = true;\n }\n }\n\n /// @dev Registers or deregisters an AssetProxy to be able to execute\n /// `removeAuthorizedAddressAtIndex` without a timelock.\n /// @param assetProxyContract Address of AssetProxy contract.\n /// @param isRegistered Status of approval for AssetProxy contract.\n function registerAssetProxy(address assetProxyContract, bool isRegistered)\n public\n onlyWallet\n notNull(assetProxyContract)\n {\n isAssetProxyRegistered[assetProxyContract] = isRegistered;\n emit AssetProxyRegistration(assetProxyContract, isRegistered);\n }\n\n /// @dev Allows execution of `removeAuthorizedAddressAtIndex` without time lock.\n /// @param transactionId Transaction ID.\n function executeRemoveAuthorizedAddressAtIndex(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n validRemoveAuthorizedAddressAtIndexTx(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n}\n", + "2.0.0/protocol/Exchange/Exchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinExchangeCore.sol\";\nimport \"./MixinSignatureValidator.sol\";\nimport \"./MixinWrapperFunctions.sol\";\nimport \"./MixinAssetProxyDispatcher.sol\";\nimport \"./MixinTransactions.sol\";\nimport \"./MixinMatchOrders.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Exchange is\n MixinExchangeCore,\n MixinMatchOrders,\n MixinSignatureValidator,\n MixinTransactions,\n MixinAssetProxyDispatcher,\n MixinWrapperFunctions\n{\n string constant public VERSION = \"2.0.1-alpha\";\n\n // Mixins are instantiated in the order they are inherited\n constructor (bytes memory _zrxAssetData)\n public\n LibConstants(_zrxAssetData) // @TODO: Remove when we deploy.\n MixinExchangeCore()\n MixinMatchOrders()\n MixinSignatureValidator()\n MixinTransactions()\n MixinAssetProxyDispatcher()\n MixinWrapperFunctions()\n {}\n}\n", + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\nimport \"../AssetProxy/interfaces/IAssetProxy.sol\";\n\n\ncontract MixinAssetProxyDispatcher is\n Ownable,\n MAssetProxyDispatcher\n{\n // Mapping from Asset Proxy Id's to their respective Asset Proxy\n mapping (bytes4 => IAssetProxy) public assetProxies;\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external\n onlyOwner\n {\n IAssetProxy assetProxyContract = IAssetProxy(assetProxy);\n\n // Ensure that no asset proxy exists with current id.\n bytes4 assetProxyId = assetProxyContract.getProxyId();\n address currentAssetProxy = assetProxies[assetProxyId];\n require(\n currentAssetProxy == address(0),\n \"ASSET_PROXY_ALREADY_EXISTS\"\n );\n\n // Add asset proxy and log registration.\n assetProxies[assetProxyId] = assetProxyContract;\n emit AssetProxyRegistered(\n assetProxyId,\n assetProxy\n );\n }\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address)\n {\n return assetProxies[assetProxyId];\n }\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal\n {\n // Do nothing if no amount should be transferred.\n if (amount > 0 && from != to) {\n // Ensure assetData length is valid\n require(\n assetData.length > 3,\n \"LENGTH_GREATER_THAN_3_REQUIRED\"\n );\n \n // Lookup assetProxy. We do not use `LibBytes.readBytes4` for gas efficiency reasons.\n bytes4 assetProxyId;\n assembly {\n assetProxyId := and(mload(\n add(assetData, 32)),\n 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000\n )\n }\n address assetProxy = assetProxies[assetProxyId];\n\n // Ensure that assetProxy exists\n require(\n assetProxy != address(0),\n \"ASSET_PROXY_DOES_NOT_EXIST\"\n );\n \n // We construct calldata for the `assetProxy.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n\n assembly {\n /////// Setup State ///////\n // `cdStart` is the start of the calldata for `assetProxy.transferFrom` (equal to free memory ptr).\n let cdStart := mload(64)\n // `dataAreaLength` is the total number of words needed to store `assetData`\n // As-per the ABI spec, this value is padded up to the nearest multiple of 32,\n // and includes 32-bytes for length.\n let dataAreaLength := and(add(mload(assetData), 63), 0xFFFFFFFFFFFE0)\n // `cdEnd` is the end of the calldata for `assetProxy.transferFrom`.\n let cdEnd := add(cdStart, add(132, dataAreaLength))\n\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFromSelector`.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes.\n // Notes:\n // 1. The offset to `assetData` is the length of the Params Area (128 bytes).\n // 2. A 20-byte mask is applied to addresses to zero-out the unused bytes.\n mstore(add(cdStart, 4), 128)\n mstore(add(cdStart, 36), and(from, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 68), and(to, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 100), amount)\n \n /////// Setup Data Area ///////\n // This area holds `assetData`.\n let dataArea := add(cdStart, 132)\n // solhint-disable-next-line no-empty-blocks\n for {} lt(dataArea, cdEnd) {} {\n mstore(dataArea, mload(assetData))\n dataArea := add(dataArea, 32)\n assetData := add(assetData, 32)\n }\n\n /////// Call `assetProxy.transferFrom` using the constructed calldata ///////\n let success := call(\n gas, // forward all gas\n assetProxy, // call address of asset proxy\n 0, // don't send any ETH\n cdStart, // pointer to start of input\n sub(cdEnd, cdStart), // length of input \n cdStart, // write output over input\n 512 // reserve 512 bytes for output\n )\n if iszero(success) {\n revert(cdStart, returndatasize())\n }\n }\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinExchangeCore is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n LibOrder,\n LibFillResults,\n MAssetProxyDispatcher,\n MExchangeCore,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of orderHash => amount of takerAsset already bought by maker\n mapping (bytes32 => uint256) public filled;\n\n // Mapping of orderHash => cancelled\n mapping (bytes32 => bool) public cancelled;\n\n // Mapping of makerAddress => senderAddress => lowest salt an order can have in order to be fillable\n // Orders with specified senderAddress and with a salt less than their epoch are considered cancelled\n mapping (address => mapping (address => uint256)) public orderEpoch;\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external\n nonReentrant\n {\n address makerAddress = getCurrentContextAddress();\n // If this function is called via `executeTransaction`, we only update the orderEpoch for the makerAddress/msg.sender combination.\n // This allows external filter contracts to add rules to how orders are cancelled via this function.\n address senderAddress = makerAddress == msg.sender ? address(0) : msg.sender;\n\n // orderEpoch is initialized to 0, so to cancelUpTo we need salt + 1\n uint256 newOrderEpoch = targetOrderEpoch + 1; \n uint256 oldOrderEpoch = orderEpoch[makerAddress][senderAddress];\n\n // Ensure orderEpoch is monotonically increasing\n require(\n newOrderEpoch > oldOrderEpoch, \n \"INVALID_NEW_ORDER_EPOCH\"\n );\n\n // Update orderEpoch\n orderEpoch[makerAddress][senderAddress] = newOrderEpoch;\n emit CancelUpTo(\n makerAddress,\n senderAddress,\n newOrderEpoch\n );\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrder(Order memory order)\n public\n nonReentrant\n {\n cancelOrderInternal(order);\n }\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(Order memory order)\n public\n view\n returns (OrderInfo memory orderInfo)\n {\n // Compute the order hash\n orderInfo.orderHash = getOrderHash(order);\n\n // Fetch filled amount\n orderInfo.orderTakerAssetFilledAmount = filled[orderInfo.orderHash];\n\n // If order.makerAssetAmount is zero, we also reject the order.\n // While the Exchange contract handles them correctly, they create\n // edge cases in the supporting infrastructure because they have\n // an 'infinite' price when computed by a simple division.\n if (order.makerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_MAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // If order.takerAssetAmount is zero, then the order will always\n // be considered filled because 0 == takerAssetAmount == orderTakerAssetFilledAmount\n // Instead of distinguishing between unfilled and filled zero taker\n // amount orders, we choose not to support them.\n if (order.takerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_TAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // Validate order availability\n if (orderInfo.orderTakerAssetFilledAmount >= order.takerAssetAmount) {\n orderInfo.orderStatus = uint8(OrderStatus.FULLY_FILLED);\n return orderInfo;\n }\n\n // Validate order expiration\n // solhint-disable-next-line not-rely-on-time\n if (block.timestamp >= order.expirationTimeSeconds) {\n orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);\n return orderInfo;\n }\n\n // Check if order has been cancelled\n if (cancelled[orderInfo.orderHash]) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n if (orderEpoch[order.makerAddress][order.senderAddress] > order.salt) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n\n // All other statuses are ruled out: order is Fillable\n orderInfo.orderStatus = uint8(OrderStatus.FILLABLE);\n return orderInfo;\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // Fetch order info\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Assert that the order is fillable by taker\n assertFillableOrder(\n order,\n orderInfo,\n takerAddress,\n signature\n );\n \n // Get amount of takerAsset to fill\n uint256 remainingTakerAssetAmount = safeSub(order.takerAssetAmount, orderInfo.orderTakerAssetFilledAmount);\n uint256 takerAssetFilledAmount = min256(takerAssetFillAmount, remainingTakerAssetAmount);\n\n // Validate context\n assertValidFill(\n order,\n orderInfo,\n takerAssetFillAmount,\n takerAssetFilledAmount,\n fillResults.makerAssetFilledAmount\n );\n\n // Compute proportional fill amounts\n fillResults = calculateFillResults(order, takerAssetFilledAmount);\n\n // Update exchange internal state\n updateFilledState(\n order,\n takerAddress,\n orderInfo.orderHash,\n orderInfo.orderTakerAssetFilledAmount,\n fillResults\n );\n \n // Settle order\n settleOrder(\n order,\n takerAddress,\n fillResults\n );\n\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrderInternal(Order memory order)\n internal\n {\n // Fetch current order status\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Validate context\n assertValidCancel(order, orderInfo);\n\n // Perform cancel\n updateCancelledState(order, orderInfo.orderHash);\n }\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n function updateFilledState(\n Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n FillResults memory fillResults\n )\n internal\n {\n // Update state\n filled[orderHash] = safeAdd(orderTakerAssetFilledAmount, fillResults.takerAssetFilledAmount);\n\n // Log order\n emit Fill(\n order.makerAddress,\n order.feeRecipientAddress,\n takerAddress,\n msg.sender,\n fillResults.makerAssetFilledAmount,\n fillResults.takerAssetFilledAmount,\n fillResults.makerFeePaid,\n fillResults.takerFeePaid,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n Order memory order,\n bytes32 orderHash\n )\n internal\n {\n // Perform cancel\n cancelled[orderHash] = true;\n\n // Log cancel\n emit Cancel(\n order.makerAddress,\n order.feeRecipientAddress,\n msg.sender,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n Order memory order,\n OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view\n {\n // An order can only be filled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n \n // Validate sender is allowed to fill this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n \n // Validate taker is allowed to fill this order\n if (order.takerAddress != address(0)) {\n require(\n order.takerAddress == takerAddress,\n \"INVALID_TAKER\"\n );\n }\n \n // Validate Maker signature (check only if first time seen)\n if (orderInfo.orderTakerAssetFilledAmount == 0) {\n require(\n isValidSignature(\n orderInfo.orderHash,\n order.makerAddress,\n signature\n ),\n \"INVALID_ORDER_SIGNATURE\"\n );\n }\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n Order memory order,\n OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount, // TODO: use FillResults\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view\n {\n // Revert if fill amount is invalid\n // TODO: reconsider necessity for v2.1\n require(\n takerAssetFillAmount != 0,\n \"INVALID_TAKER_AMOUNT\"\n );\n \n // Make sure taker does not pay more than desired amount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n takerAssetFilledAmount <= takerAssetFillAmount,\n \"TAKER_OVERPAY\"\n );\n \n // Make sure order is not overfilled\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeAdd(orderInfo.orderTakerAssetFilledAmount, takerAssetFilledAmount) <= order.takerAssetAmount,\n \"ORDER_OVERFILL\"\n );\n \n // Make sure order is filled at acceptable price.\n // The order has an implied price from the makers perspective:\n // order price = order.makerAssetAmount / order.takerAssetAmount\n // i.e. the number of makerAsset maker is paying per takerAsset. The\n // maker is guaranteed to get this price or a better (lower) one. The\n // actual price maker is getting in this fill is:\n // fill price = makerAssetFilledAmount / takerAssetFilledAmount\n // We need `fill price <= order price` for the fill to be fair to maker.\n // This amounts to:\n // makerAssetFilledAmount order.makerAssetAmount\n // ------------------------ <= -----------------------\n // takerAssetFilledAmount order.takerAssetAmount\n // or, equivalently:\n // makerAssetFilledAmount * order.takerAssetAmount <=\n // order.makerAssetAmount * takerAssetFilledAmount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeMul(makerAssetFilledAmount, order.takerAssetAmount)\n <= \n safeMul(order.makerAssetAmount, takerAssetFilledAmount),\n \"INVALID_FILL_PRICE\"\n );\n }\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n Order memory order,\n OrderInfo memory orderInfo\n )\n internal\n view\n {\n // Ensure order is valid\n // An order can only be cancelled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Validate sender is allowed to cancel this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate transaction signed by maker\n address makerAddress = getCurrentContextAddress();\n require(\n order.makerAddress == makerAddress,\n \"INVALID_MAKER\"\n );\n }\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (FillResults memory fillResults)\n {\n // Compute proportional transfer amounts\n fillResults.takerAssetFilledAmount = takerAssetFilledAmount;\n fillResults.makerAssetFilledAmount = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n );\n fillResults.makerFeePaid = safeGetPartialAmountFloor(\n fillResults.makerAssetFilledAmount,\n order.makerAssetAmount,\n order.makerFee\n );\n fillResults.takerFeePaid = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.takerFee\n );\n\n return fillResults;\n }\n\n /// @dev Settles an order by transferring assets between counterparties.\n /// @param order Order struct containing order specifications.\n /// @param takerAddress Address selling takerAsset and buying makerAsset.\n /// @param fillResults Amounts to be filled and fees paid by maker and taker.\n function settleOrder(\n LibOrder.Order memory order,\n address takerAddress,\n LibFillResults.FillResults memory fillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n dispatchTransferFrom(\n order.makerAssetData,\n order.makerAddress,\n takerAddress,\n fillResults.makerAssetFilledAmount\n );\n dispatchTransferFrom(\n order.takerAssetData,\n takerAddress,\n order.makerAddress,\n fillResults.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n zrxAssetData,\n order.makerAddress,\n order.feeRecipientAddress,\n fillResults.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n order.feeRecipientAddress,\n fillResults.takerFeePaid\n );\n }\n}\n", + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": "/*\n Copyright 2018 ZeroEx Intl.\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n http://www.apache.org/licenses/LICENSE-2.0\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MMatchOrders.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinMatchOrders is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n MAssetProxyDispatcher,\n MExchangeCore,\n MMatchOrders,\n MTransactions\n{\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n nonReentrant\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We assume that rightOrder.takerAssetData == leftOrder.makerAssetData and rightOrder.makerAssetData == leftOrder.takerAssetData.\n // If this assumption isn't true, the match will fail at signature validation.\n rightOrder.makerAssetData = leftOrder.takerAssetData;\n rightOrder.takerAssetData = leftOrder.makerAssetData;\n\n // Get left & right order info\n LibOrder.OrderInfo memory leftOrderInfo = getOrderInfo(leftOrder);\n LibOrder.OrderInfo memory rightOrderInfo = getOrderInfo(rightOrder);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Either our context is valid or we revert\n assertFillableOrder(\n leftOrder,\n leftOrderInfo,\n takerAddress,\n leftSignature\n );\n assertFillableOrder(\n rightOrder,\n rightOrderInfo,\n takerAddress,\n rightSignature\n );\n assertValidMatch(leftOrder, rightOrder);\n\n // Compute proportional fill amounts\n matchedFillResults = calculateMatchedFillResults(\n leftOrder,\n rightOrder,\n leftOrderInfo.orderTakerAssetFilledAmount,\n rightOrderInfo.orderTakerAssetFilledAmount\n );\n\n // Validate fill contexts\n assertValidFill(\n leftOrder,\n leftOrderInfo,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.makerAssetFilledAmount\n );\n assertValidFill(\n rightOrder,\n rightOrderInfo,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n \n // Update exchange state\n updateFilledState(\n leftOrder,\n takerAddress,\n leftOrderInfo.orderHash,\n leftOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.left\n );\n updateFilledState(\n rightOrder,\n takerAddress,\n rightOrderInfo.orderHash,\n rightOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.right\n );\n\n // Settle matched orders. Succeeds or throws.\n settleMatchedOrders(\n leftOrder,\n rightOrder,\n takerAddress,\n matchedFillResults\n );\n\n return matchedFillResults;\n }\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure\n {\n // Make sure there is a profitable spread.\n // There is a profitable spread iff the cost per unit bought (OrderA.MakerAmount/OrderA.TakerAmount) for each order is greater\n // than the profit per unit sold of the matched order (OrderB.TakerAmount/OrderB.MakerAmount).\n // This is satisfied by the equations below:\n // / >= / \n // AND\n // / >= / \n // These equations can be combined to get the following:\n require(\n safeMul(leftOrder.makerAssetAmount, rightOrder.makerAssetAmount) >=\n safeMul(leftOrder.takerAssetAmount, rightOrder.takerAssetAmount),\n \"NEGATIVE_SPREAD_REQUIRED\"\n );\n }\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // Derive maker asset amounts for left & right orders, given store taker assert amounts\n uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);\n uint256 leftMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n leftTakerAssetAmountRemaining\n );\n uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);\n uint256 rightMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n rightOrder.makerAssetAmount,\n rightOrder.takerAssetAmount,\n rightTakerAssetAmountRemaining\n );\n\n // Calculate fill results for maker and taker assets: at least one order will be fully filled.\n // The maximum amount the left maker can buy is `leftTakerAssetAmountRemaining`\n // The maximum amount the right maker can sell is `rightMakerAssetAmountRemaining`\n // We have two distinct cases for calculating the fill results:\n // Case 1.\n // If the left maker can buy more than the right maker can sell, then only the right order is fully filled.\n // If the left maker can buy exactly what the right maker can sell, then both orders are fully filled.\n // Case 2.\n // If the left maker cannot buy more than the right maker can sell, then only the left order is fully filled.\n if (leftTakerAssetAmountRemaining >= rightMakerAssetAmountRemaining) {\n // Case 1: Right order is fully filled\n matchedFillResults.right.makerAssetFilledAmount = rightMakerAssetAmountRemaining;\n matchedFillResults.right.takerAssetFilledAmount = rightTakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = matchedFillResults.right.makerAssetFilledAmount;\n // Round down to ensure the maker's exchange rate does not exceed the price specified by the order. \n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.left.makerAssetFilledAmount = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n matchedFillResults.left.takerAssetFilledAmount\n );\n } else {\n // Case 2: Left order is fully filled\n matchedFillResults.left.makerAssetFilledAmount = leftMakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = leftTakerAssetAmountRemaining;\n matchedFillResults.right.makerAssetFilledAmount = matchedFillResults.left.takerAssetFilledAmount;\n // Round up to ensure the maker's exchange rate does not exceed the price specified by the order.\n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.right.takerAssetFilledAmount = safeGetPartialAmountCeil(\n rightOrder.takerAssetAmount,\n rightOrder.makerAssetAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n }\n\n // Calculate amount given to taker\n matchedFillResults.leftMakerAssetSpreadAmount = safeSub(\n matchedFillResults.left.makerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount\n );\n\n // Compute fees for left order\n matchedFillResults.left.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.makerAssetFilledAmount,\n leftOrder.makerAssetAmount,\n leftOrder.makerFee\n );\n matchedFillResults.left.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.takerAssetFilledAmount,\n leftOrder.takerAssetAmount,\n leftOrder.takerFee\n );\n\n // Compute fees for right order\n matchedFillResults.right.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.makerAssetFilledAmount,\n rightOrder.makerAssetAmount,\n rightOrder.makerFee\n );\n matchedFillResults.right.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.takerAssetFilledAmount,\n rightOrder.takerAssetAmount,\n rightOrder.takerFee\n );\n\n // Return fill results\n return matchedFillResults;\n }\n\n /// @dev Settles matched order by transferring appropriate funds between order makers, taker, and fee recipient.\n /// @param leftOrder First matched order.\n /// @param rightOrder Second matched order.\n /// @param takerAddress Address that matched the orders. The taker receives the spread between orders as profit.\n /// @param matchedFillResults Struct holding amounts to transfer between makers, taker, and fee recipients.\n function settleMatchedOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n address takerAddress,\n LibFillResults.MatchedFillResults memory matchedFillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n // Order makers and taker\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n rightOrder.makerAddress,\n matchedFillResults.right.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n rightOrder.makerAssetData,\n rightOrder.makerAddress,\n leftOrder.makerAddress,\n matchedFillResults.left.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n takerAddress,\n matchedFillResults.leftMakerAssetSpreadAmount\n );\n\n // Maker fees\n dispatchTransferFrom(\n zrxAssetData,\n leftOrder.makerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n rightOrder.makerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.makerFeePaid\n );\n\n // Taker fees\n if (leftOrder.feeRecipientAddress == rightOrder.feeRecipientAddress) {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n safeAdd(\n matchedFillResults.left.takerFeePaid,\n matchedFillResults.right.takerFeePaid\n )\n );\n } else {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.takerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.takerFeePaid\n );\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./interfaces/IWallet.sol\";\nimport \"./interfaces/IValidator.sol\";\n\n\ncontract MixinSignatureValidator is\n ReentrancyGuard,\n MSignatureValidator,\n MTransactions\n{\n using LibBytes for bytes;\n \n // Mapping of hash => signer => signed\n mapping (bytes32 => mapping (address => bool)) public preSigned;\n\n // Mapping of signer => validator => approved\n mapping (address => mapping (address => bool)) public allowedValidators;\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n {\n if (signerAddress != msg.sender) {\n require(\n isValidSignature(\n hash,\n signerAddress,\n signature\n ),\n \"INVALID_SIGNATURE\"\n );\n }\n preSigned[hash][signerAddress] = true;\n }\n\n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external\n nonReentrant\n {\n address signerAddress = getCurrentContextAddress();\n allowedValidators[signerAddress][validatorAddress] = approval;\n emit SignatureValidatorApproval(\n signerAddress,\n validatorAddress,\n approval\n );\n }\n\n /// @dev Verifies that a hash has been signed by the given signer.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid)\n {\n require(\n signature.length > 0,\n \"LENGTH_GREATER_THAN_0_REQUIRED\"\n );\n\n // Pop last byte off of signature byte array.\n uint8 signatureTypeRaw = uint8(signature.popLastByte());\n\n // Ensure signature is supported\n require(\n signatureTypeRaw < uint8(SignatureType.NSignatureTypes),\n \"SIGNATURE_UNSUPPORTED\"\n );\n\n SignatureType signatureType = SignatureType(signatureTypeRaw);\n\n // Variables are not scoped in Solidity.\n uint8 v;\n bytes32 r;\n bytes32 s;\n address recovered;\n\n // Always illegal signature.\n // This is always an implicit option since a signer can create a\n // signature array with invalid type or length. We may as well make\n // it an explicit option. This aids testing and analysis. It is\n // also the initialization value for the enum type.\n if (signatureType == SignatureType.Illegal) {\n revert(\"SIGNATURE_ILLEGAL\");\n\n // Always invalid signature.\n // Like Illegal, this is always implicitly available and therefore\n // offered explicitly. It can be implicitly created by providing\n // a correctly formatted but incorrect signature.\n } else if (signatureType == SignatureType.Invalid) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = false;\n return isValid;\n\n // Signature using EIP712\n } else if (signatureType == SignatureType.EIP712) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n hash,\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signed using web3.eth_sign\n } else if (signatureType == SignatureType.EthSign) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n32\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signature verified by wallet contract.\n // If used with an order, the maker of the order is the wallet contract.\n } else if (signatureType == SignatureType.Wallet) {\n isValid = isValidWalletSignature(\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signature verified by validator contract.\n // If used with an order, the maker of the order can still be an EOA.\n // A signature using this type should be encoded as:\n // | Offset | Length | Contents |\n // | 0x00 | x | Signature to validate |\n // | 0x00 + x | 20 | Address of validator contract |\n // | 0x14 + x | 1 | Signature type is always \"\\x06\" |\n } else if (signatureType == SignatureType.Validator) {\n // Pop last 20 bytes off of signature byte array.\n address validatorAddress = signature.popLast20Bytes();\n \n // Ensure signer has approved validator.\n if (!allowedValidators[signerAddress][validatorAddress]) {\n return false;\n }\n isValid = isValidValidatorSignature(\n validatorAddress,\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signer signed hash previously using the preSign function.\n } else if (signatureType == SignatureType.PreSigned) {\n isValid = preSigned[hash][signerAddress];\n return isValid;\n }\n\n // Anything else is illegal (We do not return false because\n // the signature may actually be valid, just not in a format\n // that we currently support. In this case returning false\n // may lead the caller to incorrectly believe that the\n // signature was invalid.)\n revert(\"SIGNATURE_UNSUPPORTED\");\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if signature is valid for given wallet..\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IWallet(walletAddress).isValidSignature.selector,\n hash,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n walletAddress, // address of Wallet contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"WALLET_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000c57414c4c45545f4552524f5200000000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IValidator(signerAddress).isValidSignature.selector,\n hash,\n signerAddress,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n validatorAddress, // address of Validator contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"VALIDATOR_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f56414c494441544f525f4552524f5200000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n}\n", + "2.0.0/protocol/Exchange/MixinTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"./libs/LibExchangeErrors.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./libs/LibEIP712.sol\";\n\n\ncontract MixinTransactions is\n LibEIP712,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of transaction hash => executed\n // This prevents transactions from being executed more than once.\n mapping (bytes32 => bool) public transactions;\n\n // Address of current transaction signer\n address public currentContextAddress;\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external\n {\n // Prevent reentrancy\n require(\n currentContextAddress == address(0),\n \"REENTRANCY_ILLEGAL\"\n );\n\n bytes32 transactionHash = hashEIP712Message(hashZeroExTransaction(\n salt,\n signerAddress,\n data\n ));\n\n // Validate transaction has not been executed\n require(\n !transactions[transactionHash],\n \"INVALID_TX_HASH\"\n );\n\n // Transaction always valid if signer is sender of transaction\n if (signerAddress != msg.sender) {\n // Validate signature\n require(\n isValidSignature(\n transactionHash,\n signerAddress,\n signature\n ),\n \"INVALID_TX_SIGNATURE\"\n );\n\n // Set the current transaction signer\n currentContextAddress = signerAddress;\n }\n\n // Execute transaction\n transactions[transactionHash] = true;\n require(\n address(this).delegatecall(data),\n \"FAILED_EXECUTION\"\n );\n\n // Reset current transaction signer if it was previously updated\n if (signerAddress != msg.sender) {\n currentContextAddress = address(0);\n }\n }\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;\n bytes32 dataHash = keccak256(data);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,\n // salt,\n // bytes32(signerAddress),\n // keccak256(data)\n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, schemaHash) // hash of schema\n mstore(add(memPtr, 32), salt) // salt\n mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff)) // signerAddress\n mstore(add(memPtr, 96), dataHash) // hash of data\n\n // Compute hash\n result := keccak256(memPtr, 128)\n }\n return result;\n }\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address)\n {\n address currentContextAddress_ = currentContextAddress;\n address contextAddress = currentContextAddress_ == address(0) ? msg.sender : currentContextAddress_;\n return contextAddress;\n }\n}\n", + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibAbiEncoder.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MWrapperFunctions.sol\";\n\n\ncontract MixinWrapperFunctions is\n ReentrancyGuard,\n LibMath,\n LibFillResults,\n LibAbiEncoder,\n MExchangeCore,\n MWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrKillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n // Delegate to `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := delegatecall(\n gas, // forward all gas\n address, // call address of this contract\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrKillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n \n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public\n nonReentrant\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n cancelOrderInternal(orders[i]);\n }\n }\n\n /// @dev Fetches information for all passed in orders.\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n LibOrder.OrderInfo[] memory ordersInfo = new LibOrder.OrderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n ordersInfo[i] = getOrderInfo(orders[i]);\n }\n return ordersInfo;\n }\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n require(\n fillResults.takerAssetFilledAmount == takerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return fillResults;\n }\n}\n", + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssetProxyDispatcher {\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external;\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./IExchangeCore.sol\";\nimport \"./IMatchOrders.sol\";\nimport \"./ISignatureValidator.sol\";\nimport \"./ITransactions.sol\";\nimport \"./IAssetProxyDispatcher.sol\";\nimport \"./IWrapperFunctions.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract IExchange is\n IExchangeCore,\n IMatchOrders,\n ISignatureValidator,\n ITransactions,\n IAssetProxyDispatcher,\n IWrapperFunctions\n{}\n", + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IExchangeCore {\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external;\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrder(LibOrder.Order memory order)\n public;\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(LibOrder.Order memory order)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IMatchOrders {\n\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ISignatureValidator {\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external;\n \n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external;\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address of signer.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\n\ncontract ITransactions {\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external;\n}\n", + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IValidator {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IWallet {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IWrapperFunctions {\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public;\n\n /// @dev Fetches information for all passed in orders\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory);\n}\n", + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./LibOrder.sol\";\n\n\ncontract LibAbiEncoder {\n\n /// @dev ABI encodes calldata for `fillOrder`.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return ABI encoded calldata for `fillOrder`.\n function abiEncodeFillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n pure\n returns (bytes memory fillOrderCalldata)\n {\n // We need to call MExchangeCore.fillOrder using a delegatecall in\n // assembly so that we can intercept a call that throws. For this, we\n // need the input encoded in memory in the Ethereum ABIv2 format [1].\n\n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0x00 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 0x00 | | 1. offset to order (*) |\n // | | 0x20 | | 2. takerAssetFillAmount |\n // | | 0x40 | | 3. offset to signature (*) |\n // | Data | | 12 * 32 | order: |\n // | | 0x000 | | 1. senderAddress |\n // | | 0x020 | | 2. makerAddress |\n // | | 0x040 | | 3. takerAddress |\n // | | 0x060 | | 4. feeRecipientAddress |\n // | | 0x080 | | 5. makerAssetAmount |\n // | | 0x0A0 | | 6. takerAssetAmount |\n // | | 0x0C0 | | 7. makerFeeAmount |\n // | | 0x0E0 | | 8. takerFeeAmount |\n // | | 0x100 | | 9. expirationTimeSeconds |\n // | | 0x120 | | 10. salt |\n // | | 0x140 | | 11. Offset to makerAssetData (*) |\n // | | 0x160 | | 12. Offset to takerAssetData (*) |\n // | | 0x180 | 32 | makerAssetData Length |\n // | | 0x1A0 | ** | makerAssetData Contents |\n // | | 0x1C0 | 32 | takerAssetData Length |\n // | | 0x1E0 | ** | takerAssetData Contents |\n // | | 0x200 | 32 | signature Length |\n // | | 0x220 | ** | signature Contents |\n\n // * Offsets are calculated from the beginning of the current area: Header, Params, Data:\n // An offset stored in the Params area is calculated from the beginning of the Params section.\n // An offset stored in the Data area is calculated from the beginning of the Data section.\n\n // ** The length of dynamic array contents are stored in the field immediately preceeding the contents.\n\n // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html\n\n assembly {\n\n // Areas below may use the following variables:\n // 1. Start -- Start of this area in memory\n // 2. End -- End of this area in memory. This value may\n // be precomputed (before writing contents),\n // or it may be computed as contents are written.\n // 3. Offset -- Current offset into area. If an area's End\n // is precomputed, this variable tracks the\n // offsets of contents as they are written.\n\n /////// Setup Header Area ///////\n // Load free memory pointer\n fillOrderCalldata := mload(0x40)\n // bytes4(keccak256(\"fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)\"))\n // = 0xb4be83d5\n // Leave 0x20 bytes to store the length\n mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000)\n let headerAreaEnd := add(fillOrderCalldata, 0x24)\n\n /////// Setup Params Area ///////\n // This area is preallocated and written to later.\n // This is because we need to fill in offsets that have not yet been calculated.\n let paramsAreaStart := headerAreaEnd\n let paramsAreaEnd := add(paramsAreaStart, 0x60)\n let paramsAreaOffset := paramsAreaStart\n\n /////// Setup Data Area ///////\n let dataAreaStart := paramsAreaEnd\n let dataAreaEnd := dataAreaStart\n\n // Offset from the source data we're reading from\n let sourceOffset := order\n // arrayLenBytes and arrayLenWords track the length of a dynamically-allocated bytes array.\n let arrayLenBytes := 0\n let arrayLenWords := 0\n\n /////// Write order Struct ///////\n // Write memory location of Order, relative to the start of the\n // parameter list, then increment the paramsAreaOffset respectively.\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n // Write values for each field in the order\n // It would be nice to use a loop, but we save on gas by writing\n // the stores sequentially.\n mstore(dataAreaEnd, mload(sourceOffset)) // makerAddress\n mstore(add(dataAreaEnd, 0x20), mload(add(sourceOffset, 0x20))) // takerAddress\n mstore(add(dataAreaEnd, 0x40), mload(add(sourceOffset, 0x40))) // feeRecipientAddress\n mstore(add(dataAreaEnd, 0x60), mload(add(sourceOffset, 0x60))) // senderAddress\n mstore(add(dataAreaEnd, 0x80), mload(add(sourceOffset, 0x80))) // makerAssetAmount\n mstore(add(dataAreaEnd, 0xA0), mload(add(sourceOffset, 0xA0))) // takerAssetAmount\n mstore(add(dataAreaEnd, 0xC0), mload(add(sourceOffset, 0xC0))) // makerFeeAmount\n mstore(add(dataAreaEnd, 0xE0), mload(add(sourceOffset, 0xE0))) // takerFeeAmount\n mstore(add(dataAreaEnd, 0x100), mload(add(sourceOffset, 0x100))) // expirationTimeSeconds\n mstore(add(dataAreaEnd, 0x120), mload(add(sourceOffset, 0x120))) // salt\n mstore(add(dataAreaEnd, 0x140), mload(add(sourceOffset, 0x140))) // Offset to makerAssetData\n mstore(add(dataAreaEnd, 0x160), mload(add(sourceOffset, 0x160))) // Offset to takerAssetData\n dataAreaEnd := add(dataAreaEnd, 0x180)\n sourceOffset := add(sourceOffset, 0x180)\n\n // Write offset to \n mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x140)) // makerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Write offset to \n mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x160)) // takerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n /////// Write takerAssetFillAmount ///////\n mstore(paramsAreaOffset, takerAssetFillAmount)\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n /////// Write signature ///////\n // Write offset to paramsArea\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n\n // Calculate length of signature\n sourceOffset := signature\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of signature\n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of signature\n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Set length of calldata\n mstore(fillOrderCalldata, sub(dataAreaEnd, add(fillOrderCalldata, 0x20)))\n\n // Increment free memory pointer\n mstore(0x40, dataAreaEnd)\n }\n\n return fillOrderCalldata;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\n// solhint-disable max-line-length\ncontract LibConstants {\n \n // Asset data for ZRX token. Used for fee transfers.\n // @TODO: Hardcode constant when we deploy. Currently \n // not constant to make testing easier.\n\n // The proxyId for ZRX_ASSET_DATA is bytes4(keccak256(\"ERC20Token(address)\")) = 0xf47261b0\n \n // Kovan ZRX address is 0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570.\n // The ABI encoded proxyId and address is 0xf47261b00000000000000000000000006ff6c0ff1d68b964901f986d4c9fa3ac68346570\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x6f\\xf6\\xc0\\xff\\x1d\\x68\\xb9\\x64\\x90\\x1f\\x98\\x6d\\x4c\\x9f\\xa3\\xac\\x68\\x34\\x65\\x70\";\n \n // Mainnet ZRX address is 0xe41d2489571d322189246dafa5ebde1f4699f498.\n // The ABI encoded proxyId and address is 0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xe4\\x1d\\x24\\x89\\x57\\x1d\\x32\\x21\\x89\\x24\\x6d\\xaf\\xa5\\xeb\\xde\\x1f\\x46\\x99\\xf4\\x98\";\n \n // solhint-disable-next-line var-name-mixedcase\n bytes public ZRX_ASSET_DATA;\n\n // @TODO: Remove when we deploy.\n constructor (bytes memory zrxAssetData)\n public\n {\n ZRX_ASSET_DATA = zrxAssetData;\n }\n}\n// solhint-enable max-line-length\n", + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract LibEIP712 {\n\n // EIP191 header for EIP712 prefix\n string constant internal EIP191_HEADER = \"\\x19\\x01\";\n\n // EIP712 Domain Name value\n string constant internal EIP712_DOMAIN_NAME = \"0x Protocol\";\n\n // EIP712 Domain Version value\n string constant internal EIP712_DOMAIN_VERSION = \"2\";\n\n // Hash of the EIP712 Domain Separator Schema\n bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"EIP712Domain(\",\n \"string name,\",\n \"string version,\",\n \"address verifyingContract\",\n \")\"\n ));\n\n // Hash of the EIP712 Domain Separator data\n // solhint-disable-next-line var-name-mixedcase\n bytes32 public EIP712_DOMAIN_HASH;\n\n constructor ()\n public\n {\n EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(\n EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,\n keccak256(bytes(EIP712_DOMAIN_NAME)),\n keccak256(bytes(EIP712_DOMAIN_VERSION)),\n bytes32(address(this))\n ));\n }\n\n /// @dev Calculates EIP712 encoding for a hash struct in this EIP712 Domain.\n /// @param hashStruct The EIP712 hash struct.\n /// @return EIP712 hash applied to this EIP712 Domain.\n function hashEIP712Message(bytes32 hashStruct)\n internal\n view\n returns (bytes32 result)\n {\n bytes32 eip712DomainHash = EIP712_DOMAIN_HASH;\n\n // Assembly for more efficient computing:\n // keccak256(abi.encodePacked(\n // EIP191_HEADER,\n // EIP712_DOMAIN_HASH,\n // hashStruct \n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, 0x1901000000000000000000000000000000000000000000000000000000000000) // EIP191 header\n mstore(add(memPtr, 2), eip712DomainHash) // EIP712 domain hash\n mstore(add(memPtr, 34), hashStruct) // Hash of struct\n\n // Compute hash\n result := keccak256(memPtr, 66)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity 0.4.24;\n\n\n/// @dev This contract documents the revert reasons used in the Exchange contract.\n/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons.\ncontract LibExchangeErrors {\n\n /// Order validation errors ///\n string constant ORDER_UNFILLABLE = \"ORDER_UNFILLABLE\"; // Order cannot be filled.\n string constant INVALID_MAKER = \"INVALID_MAKER\"; // Invalid makerAddress.\n string constant INVALID_TAKER = \"INVALID_TAKER\"; // Invalid takerAddress.\n string constant INVALID_SENDER = \"INVALID_SENDER\"; // Invalid `msg.sender`.\n string constant INVALID_ORDER_SIGNATURE = \"INVALID_ORDER_SIGNATURE\"; // Signature validation failed. \n \n /// fillOrder validation errors ///\n string constant INVALID_TAKER_AMOUNT = \"INVALID_TAKER_AMOUNT\"; // takerAssetFillAmount cannot equal 0.\n string constant ROUNDING_ERROR = \"ROUNDING_ERROR\"; // Rounding error greater than 0.1% of takerAssetFillAmount. \n \n /// Signature validation errors ///\n string constant INVALID_SIGNATURE = \"INVALID_SIGNATURE\"; // Signature validation failed. \n string constant SIGNATURE_ILLEGAL = \"SIGNATURE_ILLEGAL\"; // Signature type is illegal.\n string constant SIGNATURE_UNSUPPORTED = \"SIGNATURE_UNSUPPORTED\"; // Signature type unsupported.\n \n /// cancelOrdersUptTo errors ///\n string constant INVALID_NEW_ORDER_EPOCH = \"INVALID_NEW_ORDER_EPOCH\"; // Specified salt must be greater than or equal to existing orderEpoch.\n\n /// fillOrKillOrder errors ///\n string constant COMPLETE_FILL_FAILED = \"COMPLETE_FILL_FAILED\"; // Desired takerAssetFillAmount could not be completely filled. \n\n /// matchOrders errors ///\n string constant NEGATIVE_SPREAD_REQUIRED = \"NEGATIVE_SPREAD_REQUIRED\"; // Matched orders must have a negative spread.\n\n /// Transaction errors ///\n string constant REENTRANCY_ILLEGAL = \"REENTRANCY_ILLEGAL\"; // Recursive reentrancy is not allowed. \n string constant INVALID_TX_HASH = \"INVALID_TX_HASH\"; // Transaction has already been executed. \n string constant INVALID_TX_SIGNATURE = \"INVALID_TX_SIGNATURE\"; // Signature validation failed. \n string constant FAILED_EXECUTION = \"FAILED_EXECUTION\"; // Transaction execution failed. \n \n /// registerAssetProxy errors ///\n string constant ASSET_PROXY_ALREADY_EXISTS = \"ASSET_PROXY_ALREADY_EXISTS\"; // AssetProxy with same id already exists.\n\n /// dispatchTransferFrom errors ///\n string constant ASSET_PROXY_DOES_NOT_EXIST = \"ASSET_PROXY_DOES_NOT_EXIST\"; // No assetProxy registered at given id.\n string constant TRANSFER_FAILED = \"TRANSFER_FAILED\"; // Asset transfer unsuccesful.\n\n /// Length validation errors ///\n string constant LENGTH_GREATER_THAN_0_REQUIRED = \"LENGTH_GREATER_THAN_0_REQUIRED\"; // Byte array must have a length greater than 0.\n string constant LENGTH_GREATER_THAN_3_REQUIRED = \"LENGTH_GREATER_THAN_3_REQUIRED\"; // Byte array must have a length greater than 3.\n string constant LENGTH_0_REQUIRED = \"LENGTH_0_REQUIRED\"; // Byte array must have a length of 0.\n string constant LENGTH_65_REQUIRED = \"LENGTH_65_REQUIRED\"; // Byte array must have a length of 65.\n}\n", + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibFillResults is\n SafeMath\n{\n struct FillResults {\n uint256 makerAssetFilledAmount; // Total amount of makerAsset(s) filled.\n uint256 takerAssetFilledAmount; // Total amount of takerAsset(s) filled.\n uint256 makerFeePaid; // Total amount of ZRX paid by maker(s) to feeRecipient(s).\n uint256 takerFeePaid; // Total amount of ZRX paid by taker to feeRecipients(s).\n }\n\n struct MatchedFillResults {\n FillResults left; // Amounts filled and fees paid of left order.\n FillResults right; // Amounts filled and fees paid of right order.\n uint256 leftMakerAssetSpreadAmount; // Spread between price of left and right order, denominated in the left order's makerAsset, paid to taker.\n }\n\n /// @dev Adds properties of both FillResults instances.\n /// Modifies the first FillResults instance specified.\n /// @param totalFillResults Fill results instance that will be added onto.\n /// @param singleFillResults Fill results instance that will be added to totalFillResults.\n function addFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)\n internal\n pure\n {\n totalFillResults.makerAssetFilledAmount = safeAdd(totalFillResults.makerAssetFilledAmount, singleFillResults.makerAssetFilledAmount);\n totalFillResults.takerAssetFilledAmount = safeAdd(totalFillResults.takerAssetFilledAmount, singleFillResults.takerAssetFilledAmount);\n totalFillResults.makerFeePaid = safeAdd(totalFillResults.makerFeePaid, singleFillResults.makerFeePaid);\n totalFillResults.takerFeePaid = safeAdd(totalFillResults.takerFeePaid, singleFillResults.takerFeePaid);\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibMath.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibMath is\n SafeMath\n{\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function safeGetPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorFloor(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function safeGetPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorCeil(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function getPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function getPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // The absolute rounding error is the difference between the rounded\n // value and the ideal value. The relative rounding error is the\n // absolute rounding error divided by the absolute value of the\n // ideal value. This is undefined when the ideal value is zero.\n //\n // The ideal value is `numerator * target / denominator`.\n // Let's call `numerator * target % denominator` the remainder.\n // The absolute error is `remainder / denominator`.\n //\n // When the ideal value is zero, we require the absolute error to\n // be zero. Fortunately, this is always the case. The ideal value is\n // zero iff `numerator == 0` and/or `target == 0`. In this case the\n // remainder and absolute error are also zero. \n if (target == 0 || numerator == 0) {\n return false;\n }\n \n // Otherwise, we want the relative rounding error to be strictly\n // less than 0.1%.\n // The relative error is `remainder / (numerator * target)`.\n // We want the relative error less than 1 / 1000:\n // remainder / (numerator * denominator) < 1 / 1000\n // or equivalently:\n // 1000 * remainder < numerator * target\n // so we have a rounding error iff:\n // 1000 * remainder >= numerator * target\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding up.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // See the comments in `isRoundingError`.\n if (target == 0 || numerator == 0) {\n // When either is zero, the ideal value and rounded value are zero\n // and there is no rounding error. (Although the relative error\n // is undefined.)\n return false;\n }\n // Compute remainder as before\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n remainder = safeSub(denominator, remainder) % denominator;\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibOrder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./LibEIP712.sol\";\n\n\ncontract LibOrder is\n LibEIP712\n{\n // Hash for the EIP712 Order Schema\n bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"Order(\",\n \"address makerAddress,\",\n \"address takerAddress,\",\n \"address feeRecipientAddress,\",\n \"address senderAddress,\",\n \"uint256 makerAssetAmount,\",\n \"uint256 takerAssetAmount,\",\n \"uint256 makerFee,\",\n \"uint256 takerFee,\",\n \"uint256 expirationTimeSeconds,\",\n \"uint256 salt,\",\n \"bytes makerAssetData,\",\n \"bytes takerAssetData\",\n \")\"\n ));\n\n // A valid order remains fillable until it is expired, fully filled, or cancelled.\n // An order's state is unaffected by external factors, like account balances.\n enum OrderStatus {\n INVALID, // Default value\n INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount\n INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount\n FILLABLE, // Order is fillable\n EXPIRED, // Order has already expired\n FULLY_FILLED, // Order is fully filled\n CANCELLED // Order has been cancelled\n }\n\n // solhint-disable max-line-length\n struct Order {\n address makerAddress; // Address that created the order. \n address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order. \n address feeRecipientAddress; // Address that will recieve fees when order is filled. \n address senderAddress; // Address that is allowed to call Exchange contract methods that affect this order. If set to 0, any address is allowed to call these methods.\n uint256 makerAssetAmount; // Amount of makerAsset being offered by maker. Must be greater than 0. \n uint256 takerAssetAmount; // Amount of takerAsset being bid on by maker. Must be greater than 0. \n uint256 makerFee; // Amount of ZRX paid to feeRecipient by maker when order is filled. If set to 0, no transfer of ZRX from maker to feeRecipient will be attempted.\n uint256 takerFee; // Amount of ZRX paid to feeRecipient by taker when order is filled. If set to 0, no transfer of ZRX from taker to feeRecipient will be attempted.\n uint256 expirationTimeSeconds; // Timestamp in seconds at which order expires. \n uint256 salt; // Arbitrary number to facilitate uniqueness of the order's hash. \n bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.\n bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.\n }\n // solhint-enable max-line-length\n\n struct OrderInfo {\n uint8 orderStatus; // Status that describes order's validity and fillability.\n bytes32 orderHash; // EIP712 hash of the order (see LibOrder.getOrderHash).\n uint256 orderTakerAssetFilledAmount; // Amount of order that has already been filled.\n }\n\n /// @dev Calculates Keccak-256 hash of the order.\n /// @param order The order structure.\n /// @return Keccak-256 EIP712 hash of the order.\n function getOrderHash(Order memory order)\n internal\n view\n returns (bytes32 orderHash)\n {\n orderHash = hashEIP712Message(hashOrder(order));\n return orderHash;\n }\n\n /// @dev Calculates EIP712 hash of the order.\n /// @param order The order structure.\n /// @return EIP712 hash of the order.\n function hashOrder(Order memory order)\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ORDER_SCHEMA_HASH;\n bytes32 makerAssetDataHash = keccak256(order.makerAssetData);\n bytes32 takerAssetDataHash = keccak256(order.takerAssetData);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ORDER_SCHEMA_HASH,\n // bytes32(order.makerAddress),\n // bytes32(order.takerAddress),\n // bytes32(order.feeRecipientAddress),\n // bytes32(order.senderAddress),\n // order.makerAssetAmount,\n // order.takerAssetAmount,\n // order.makerFee,\n // order.takerFee,\n // order.expirationTimeSeconds,\n // order.salt,\n // keccak256(order.makerAssetData),\n // keccak256(order.takerAssetData)\n // ));\n\n assembly {\n // Calculate memory addresses that will be swapped out before hashing\n let pos1 := sub(order, 32)\n let pos2 := add(order, 320)\n let pos3 := add(order, 352)\n\n // Backup\n let temp1 := mload(pos1)\n let temp2 := mload(pos2)\n let temp3 := mload(pos3)\n \n // Hash in place\n mstore(pos1, schemaHash)\n mstore(pos2, makerAssetDataHash)\n mstore(pos3, takerAssetDataHash)\n result := keccak256(pos1, 416)\n \n // Restore\n mstore(pos1, temp1)\n mstore(pos2, temp2)\n mstore(pos3, temp3)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssetProxyDispatcher.sol\";\n\n\ncontract MAssetProxyDispatcher is\n IAssetProxyDispatcher\n{\n // Logs registration of new asset proxy\n event AssetProxyRegistered(\n bytes4 id, // Id of new registered AssetProxy.\n address assetProxy // Address of new registered AssetProxy.\n );\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IExchangeCore.sol\";\n\n\ncontract MExchangeCore is\n IExchangeCore\n{\n // Fill event is emitted whenever an order is filled.\n event Fill(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that received fees.\n address takerAddress, // Address that filled the order.\n address senderAddress, // Address that called the Exchange contract (msg.sender).\n uint256 makerAssetFilledAmount, // Amount of makerAsset sold by maker and bought by taker. \n uint256 takerAssetFilledAmount, // Amount of takerAsset sold by taker and bought by maker.\n uint256 makerFeePaid, // Amount of ZRX paid to feeRecipient by maker.\n uint256 takerFeePaid, // Amount of ZRX paid to feeRecipient by taker.\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // Cancel event is emitted whenever an individual order is cancelled.\n event Cancel(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that would have recieved fees if order was filled. \n address senderAddress, // Address that called the Exchange contract (msg.sender).\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // CancelUpTo event is emitted whenever `cancelOrdersUpTo` is executed succesfully.\n event CancelUpTo(\n address indexed makerAddress, // Orders cancelled must have been created by this address.\n address indexed senderAddress, // Orders cancelled must have a `senderAddress` equal to this address.\n uint256 orderEpoch // Orders with specified makerAddress and senderAddress with a salt less than this value are considered cancelled.\n );\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrderInternal(LibOrder.Order memory order)\n internal;\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function updateFilledState(\n LibOrder.Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n LibFillResults.FillResults memory fillResults\n )\n internal;\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n LibOrder.Order memory order,\n bytes32 orderHash\n )\n internal;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo Status, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view;\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo\n )\n internal\n view;\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n LibOrder.Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.FillResults memory fillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IMatchOrders.sol\";\n\n\ncontract MMatchOrders is\n IMatchOrders\n{\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure;\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/ISignatureValidator.sol\";\n\n\ncontract MSignatureValidator is\n ISignatureValidator\n{\n event SignatureValidatorApproval(\n address indexed signerAddress, // Address that approves or disapproves a contract to verify signatures.\n address indexed validatorAddress, // Address of signature validator contract.\n bool approved // Approval or disapproval of validator contract.\n );\n\n // Allowed signature types.\n enum SignatureType {\n Illegal, // 0x00, default value\n Invalid, // 0x01\n EIP712, // 0x02\n EthSign, // 0x03\n Wallet, // 0x04\n Validator, // 0x05\n PreSigned, // 0x06\n NSignatureTypes // 0x07, number of signature types. Always leave at end.\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"../interfaces/ITransactions.sol\";\n\n\ncontract MTransactions is\n ITransactions\n{\n // Hash for the EIP712 ZeroEx Transaction Schema\n bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"ZeroExTransaction(\",\n \"uint256 salt,\",\n \"address signerAddress,\",\n \"bytes data\",\n \")\"\n ));\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result);\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address);\n}\n", + "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IWrapperFunctions.sol\";\n\n\ncontract MWrapperFunctions is \n IWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n}\n", + "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/MintableERC20Token.sol\";\n\n\ncontract DummyERC20Token is \n Ownable,\n MintableERC20Token\n{\n string public name;\n string public symbol;\n uint256 public decimals;\n uint256 public constant MAX_MINT_AMOUNT = 10000000000000000000000;\n\n constructor (\n string _name,\n string _symbol,\n uint256 _decimals,\n uint256 _totalSupply\n )\n public\n {\n name = _name;\n symbol = _symbol;\n decimals = _decimals;\n _totalSupply = _totalSupply;\n balances[msg.sender] = _totalSupply;\n }\n\n /// @dev Sets the balance of target address\n /// @param _target Address or which balance will be updated\n /// @param _value New balance of target address\n function setBalance(address _target, uint256 _value)\n external\n onlyOwner\n {\n uint256 currBalance = balances[_target];\n if (_value < currBalance) {\n _totalSupply = safeSub(_totalSupply, safeSub(currBalance, _value));\n } else {\n _totalSupply = safeAdd(_totalSupply, safeSub(_value, currBalance));\n }\n balances[_target] = _value;\n }\n\n /// @dev Mints new tokens for sender\n /// @param _value Amount of tokens to mint\n function mint(uint256 _value)\n external\n {\n require(\n _value <= MAX_MINT_AMOUNT,\n \"VALUE_TOO_LARGE\"\n );\n\n _mint(msg.sender, _value);\n }\n}\n", + "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../tokens/ERC721Token/MintableERC721Token.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract DummyERC721Token is\n Ownable,\n MintableERC721Token\n{\n string public name;\n string public symbol;\n\n constructor (\n string _name,\n string _symbol\n )\n public\n {\n name = _name;\n symbol = _symbol;\n }\n\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function mint(address _to, uint256 _tokenId)\n external\n {\n _mint(_to, _tokenId);\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist or not called by contract owner\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function burn(address _owner, uint256 _tokenId)\n external\n onlyOwner\n {\n _burn(_owner, _tokenId);\n }\n}\n", + "2.0.0/tokens/ERC20Token/ERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC20Token.sol\";\n\n\ncontract ERC20Token is\n IERC20Token\n{\n mapping (address => uint256) internal balances;\n mapping (address => mapping (address => uint256)) internal allowed;\n\n uint256 internal _totalSupply;\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool)\n {\n require(\n balances[msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[msg.sender] -= _value;\n balances[_to] += _value;\n\n emit Transfer(\n msg.sender,\n _to,\n _value\n );\n\n return true;\n }\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowed[_from][msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n allowed[_from][msg.sender] -= _value;\n \n emit Transfer(\n _from,\n _to,\n _value\n );\n \n return true;\n }\n\n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool)\n {\n allowed[msg.sender][_spender] = _value;\n emit Approval(\n msg.sender,\n _spender,\n _value\n );\n return true;\n }\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256)\n {\n return _totalSupply;\n }\n\n /// @dev Query the balance of owner\n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n return balances[_owner];\n }\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256)\n {\n return allowed[_owner][_spender];\n }\n}\n", + "2.0.0/tokens/ERC20Token/IERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n \n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n \n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", + "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/SafeMath/SafeMath.sol\";\nimport \"./UnlimitedAllowanceERC20Token.sol\";\n\n\ncontract MintableERC20Token is \n SafeMath,\n UnlimitedAllowanceERC20Token\n{\n /// @dev Mints new tokens\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _value Amount of tokens to mint\n function _mint(address _to, uint256 _value)\n internal\n {\n balances[_to] = safeAdd(_value, balances[_to]);\n _totalSupply = safeAdd(_totalSupply, _value);\n\n emit Transfer(\n address(0),\n _to,\n _value\n );\n }\n\n /// @dev Mints new tokens\n /// @param _owner Owner of tokens that will be burned\n /// @param _value Amount of tokens to burn\n function _burn(address _owner, uint256 _value)\n internal\n {\n balances[_owner] = safeSub(balances[_owner], _value);\n _totalSupply = safeSub(_totalSupply, _value);\n\n emit Transfer(\n _owner,\n address(0),\n _value\n );\n }\n}\n", + "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/ERC20Token.sol\";\n\n\ncontract UnlimitedAllowanceERC20Token is\n ERC20Token\n{\n uint256 constant internal MAX_UINT = 2**256 - 1;\n\n /// @dev ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited allowance. See https://github.com/ethereum/EIPs/issues/717\n /// @param _from Address to transfer from.\n /// @param _to Address to transfer to.\n /// @param _value Amount to transfer.\n /// @return Success of transfer.\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n uint256 allowance = allowed[_from][msg.sender];\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowance >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n if (allowance < MAX_UINT) {\n allowed[_from][msg.sender] -= _value;\n }\n\n emit Transfer(\n _from,\n _to,\n _value\n );\n\n return true;\n }\n}\n", + "2.0.0/tokens/ERC721Token/ERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC721Token.sol\";\nimport \"./IERC721Receiver.sol\";\nimport \"../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract ERC721Token is\n IERC721Token,\n SafeMath\n{\n // Function selector for ERC721Receiver.onERC721Received\n // 0x150b7a02\n bytes4 constant internal ERC721_RECEIVED = bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"));\n\n // Mapping of tokenId => owner\n mapping (uint256 => address) internal owners;\n\n // Mapping of tokenId => approved address\n mapping (uint256 => address) internal approvals;\n\n // Mapping of owner => number of tokens owned\n mapping (address => uint256) internal balances;\n\n // Mapping of owner => operator => approved\n mapping (address => mapping (address => bool)) internal operatorApprovals;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n _data\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n \"\"\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external\n {\n address owner = ownerOf(_tokenId);\n require(\n msg.sender == owner || isApprovedForAll(owner, msg.sender),\n \"ERC721_INVALID_SENDER\"\n );\n\n approvals[_tokenId] = _approved;\n emit Approval(\n owner,\n _approved,\n _tokenId\n );\n }\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external\n {\n operatorApprovals[msg.sender][_operator] = _approved;\n emit ApprovalForAll(\n msg.sender,\n _operator,\n _approved\n );\n }\n \n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return balances[_owner];\n }\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = ownerOf(_tokenId);\n require(\n _from == owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n address spender = msg.sender;\n address approvedAddress = getApproved(_tokenId);\n require(\n spender == owner ||\n isApprovedForAll(owner, spender) ||\n approvedAddress == spender,\n \"ERC721_INVALID_SPENDER\"\n );\n\n if (approvedAddress != address(0)) {\n approvals[_tokenId] = address(0);\n }\n\n owners[_tokenId] = _to;\n balances[_from] = safeSub(balances[_from], 1);\n balances[_to] = safeAdd(balances[_to], 1);\n \n emit Transfer(\n _from,\n _to,\n _tokenId\n );\n }\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address)\n {\n address owner = owners[_tokenId];\n require(\n owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return owner;\n }\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId)\n public\n view\n returns (address)\n {\n return approvals[_tokenId];\n }\n\n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool)\n {\n return operatorApprovals[_owner][_operator];\n }\n}\n", + "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Receiver {\n\n /// @notice Handle the receipt of an NFT\n /// @dev The ERC721 smart contract calls this function on the recipient\n /// after a `transfer`. This function MAY throw to revert and reject the\n /// transfer. Return of other than the magic value MUST result in the\n /// transaction being reverted.\n /// Note: the contract address is always the message sender.\n /// @param _operator The address which called `safeTransferFrom` function\n /// @param _from The address which previously owned the token\n /// @param _tokenId The NFT identifier which is being transferred\n /// @param _data Additional data with no specified format\n /// @return `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`\n /// unless throwing\n function onERC721Received(\n address _operator,\n address _from,\n uint256 _tokenId,\n bytes _data\n )\n external\n returns (bytes4);\n}\n", + "2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Token {\n\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(\n address indexed _owner,\n address indexed _approved,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(\n address indexed _owner,\n address indexed _operator,\n bool _approved\n );\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// perator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external;\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public;\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address);\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) \n public\n view\n returns (address);\n \n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool);\n}\n", + "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./ERC721Token.sol\";\n\n\ncontract MintableERC721Token is\n ERC721Token\n{\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function _mint(address _to, uint256 _tokenId)\n internal\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == address(0),\n \"ERC721_OWNER_ALREADY_EXISTS\"\n );\n\n owners[_tokenId] = _to;\n balances[_to] = safeAdd(balances[_to], 1);\n\n emit Transfer(\n address(0),\n _to,\n _tokenId\n );\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function _burn(address _owner, uint256 _tokenId)\n internal\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == _owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n owners[_tokenId] = address(0);\n balances[_owner] = safeSub(balances[_owner], 1);\n\n emit Transfer(\n _owner,\n address(0),\n _tokenId\n );\n }\n}\n", + "2.0.0/tokens/EtherToken/IEtherToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/IERC20Token.sol\";\n\n\ncontract IEtherToken is\n IERC20Token\n{\n function deposit()\n public\n payable;\n \n function withdraw(uint256 amount)\n public;\n}\n", + "2.0.0/utils/LibBytes/LibBytes.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\nlibrary LibBytes {\n\n using LibBytes for bytes;\n\n /// @dev Gets the memory address for a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of byte array. This\n /// points to the header of the byte array which contains\n /// the length.\n function rawAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := input\n }\n return memoryAddress;\n }\n \n /// @dev Gets the memory address for the contents of a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of the contents of the byte array.\n function contentAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := add(input, 32)\n }\n return memoryAddress;\n }\n\n /// @dev Copies `length` bytes from memory location `source` to `dest`.\n /// @param dest memory address to copy bytes to.\n /// @param source memory address to copy bytes from.\n /// @param length number of bytes to copy.\n function memCopy(\n uint256 dest,\n uint256 source,\n uint256 length\n )\n internal\n pure\n {\n if (length < 32) {\n // Handle a partial word by reading destination and masking\n // off the bits we are interested in.\n // This correctly handles overlap, zero lengths and source == dest\n assembly {\n let mask := sub(exp(256, sub(32, length)), 1)\n let s := and(mload(source), not(mask))\n let d := and(mload(dest), mask)\n mstore(dest, or(s, d))\n }\n } else {\n // Skip the O(length) loop when source == dest.\n if (source == dest) {\n return;\n }\n\n // For large copies we copy whole words at a time. The final\n // word is aligned to the end of the range (instead of after the\n // previous) to handle partial words. So a copy will look like this:\n //\n // ####\n // ####\n // ####\n // ####\n //\n // We handle overlap in the source and destination range by\n // changing the copying direction. This prevents us from\n // overwriting parts of source that we still need to copy.\n //\n // This correctly handles source == dest\n //\n if (source > dest) {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because it\n // is easier to compare with in the loop, and these\n // are also the addresses we need for copying the\n // last bytes.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the last 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the last bytes in\n // source already due to overlap.\n let last := mload(sEnd)\n\n // Copy whole words front to back\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} lt(source, sEnd) {} {\n mstore(dest, mload(source))\n source := add(source, 32)\n dest := add(dest, 32)\n }\n \n // Write the last 32 bytes\n mstore(dEnd, last)\n }\n } else {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because those\n // are the starting points when copying a word at the end.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the first 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the first bytes in\n // source already due to overlap.\n let first := mload(source)\n\n // Copy whole words back to front\n // We use a signed comparisson here to allow dEnd to become\n // negative (happens when source and dest < 32). Valid\n // addresses in local memory will never be larger than\n // 2**255, so they can be safely re-interpreted as signed.\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} slt(dest, dEnd) {} {\n mstore(dEnd, mload(sEnd))\n sEnd := sub(sEnd, 32)\n dEnd := sub(dEnd, 32)\n }\n \n // Write the first 32 bytes\n mstore(dest, first)\n }\n }\n }\n }\n\n /// @dev Returns a slices from a byte array.\n /// @param b The byte array to take a slice from.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n function slice(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure and copy contents\n result = new bytes(to - from);\n memCopy(\n result.contentAddress(),\n b.contentAddress() + from,\n result.length\n );\n return result;\n }\n \n /// @dev Returns a slice from a byte array without preserving the input.\n /// @param b The byte array to take a slice from. Will be destroyed in the process.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n /// @dev When `from == 0`, the original array will match the slice. In other cases its state will be corrupted.\n function sliceDestructive(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure around [from, to) in-place.\n assembly {\n result := add(b, from)\n mstore(result, sub(to, from))\n }\n return result;\n }\n\n /// @dev Pops the last byte off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The byte that was popped off.\n function popLastByte(bytes memory b)\n internal\n pure\n returns (bytes1 result)\n {\n require(\n b.length > 0,\n \"GREATER_THAN_ZERO_LENGTH_REQUIRED\"\n );\n\n // Store last byte.\n result = b[b.length - 1];\n\n assembly {\n // Decrement length of byte array.\n let newLen := sub(mload(b), 1)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Pops the last 20 bytes off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The 20 byte address that was popped off.\n function popLast20Bytes(bytes memory b)\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= 20,\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Store last 20 bytes.\n result = readAddress(b, b.length - 20);\n\n assembly {\n // Subtract 20 from byte array length.\n let newLen := sub(mload(b), 20)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Tests equality of two byte arrays.\n /// @param lhs First byte array to compare.\n /// @param rhs Second byte array to compare.\n /// @return True if arrays are the same. False otherwise.\n function equals(\n bytes memory lhs,\n bytes memory rhs\n )\n internal\n pure\n returns (bool equal)\n {\n // Keccak gas cost is 30 + numWords * 6. This is a cheap way to compare.\n // We early exit on unequal lengths, but keccak would also correctly\n // handle this.\n return lhs.length == rhs.length && keccak256(lhs) == keccak256(rhs);\n }\n\n /// @dev Reads an address from a position in a byte array.\n /// @param b Byte array containing an address.\n /// @param index Index in byte array of address.\n /// @return address from byte array.\n function readAddress(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Read address from array memory\n assembly {\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 20-byte mask to obtain address\n result := and(mload(add(b, index)), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n return result;\n }\n\n /// @dev Writes an address into a specific position in a byte array.\n /// @param b Byte array to insert address into.\n /// @param index Index in byte array of address.\n /// @param input Address to put into byte array.\n function writeAddress(\n bytes memory b,\n uint256 index,\n address input\n )\n internal\n pure\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Store address into array memory\n assembly {\n // The address occupies 20 bytes and mstore stores 32 bytes.\n // First fetch the 32-byte word where we'll be storing the address, then\n // apply a mask so we have only the bytes in the word that the address will not occupy.\n // Then combine these bytes with the address and store the 32 bytes back to memory with mstore.\n\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 12-byte mask to obtain extra bytes occupying word of memory where we'll store the address\n let neighbors := and(\n mload(add(b, index)),\n 0xffffffffffffffffffffffff0000000000000000000000000000000000000000\n )\n \n // Make sure input address is clean.\n // (Solidity does not guarantee this)\n input := and(input, 0xffffffffffffffffffffffffffffffffffffffff)\n\n // Store the neighbors and address into memory\n mstore(add(b, index), xor(input, neighbors))\n }\n }\n\n /// @dev Reads a bytes32 value from a position in a byte array.\n /// @param b Byte array containing a bytes32 value.\n /// @param index Index in byte array of bytes32 value.\n /// @return bytes32 value from byte array.\n function readBytes32(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes32 result)\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n result := mload(add(b, index))\n }\n return result;\n }\n\n /// @dev Writes a bytes32 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes32 to put into byte array.\n function writeBytes32(\n bytes memory b,\n uint256 index,\n bytes32 input\n )\n internal\n pure\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n mstore(add(b, index), input)\n }\n }\n\n /// @dev Reads a uint256 value from a position in a byte array.\n /// @param b Byte array containing a uint256 value.\n /// @param index Index in byte array of uint256 value.\n /// @return uint256 value from byte array.\n function readUint256(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (uint256 result)\n {\n result = uint256(readBytes32(b, index));\n return result;\n }\n\n /// @dev Writes a uint256 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input uint256 to put into byte array.\n function writeUint256(\n bytes memory b,\n uint256 index,\n uint256 input\n )\n internal\n pure\n {\n writeBytes32(b, index, bytes32(input));\n }\n\n /// @dev Reads an unpadded bytes4 value from a position in a byte array.\n /// @param b Byte array containing a bytes4 value.\n /// @param index Index in byte array of bytes4 value.\n /// @return bytes4 value from byte array.\n function readBytes4(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes4 result)\n {\n require(\n b.length >= index + 4,\n \"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 32 byte length field\n index += 32;\n\n // Read the bytes4 from array memory\n assembly {\n result := mload(add(b, index))\n // Solidity does not require us to clean the trailing bytes.\n // We do it anyway\n result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)\n }\n return result;\n }\n\n /// @dev Reads nested bytes from a specific position.\n /// @dev NOTE: the returned value overlaps with the input value.\n /// Both should be treated as immutable.\n /// @param b Byte array containing nested bytes.\n /// @param index Index of nested bytes.\n /// @return result Nested bytes.\n function readBytesWithLength(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes memory result)\n {\n // Read length of nested bytes\n uint256 nestedBytesLength = readUint256(b, index);\n index += 32;\n\n // Assert length of is valid, given\n // length of nested bytes\n require(\n b.length >= index + nestedBytesLength,\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n \n // Return a pointer to the byte array as it exists inside `b`\n assembly {\n result := add(b, index)\n }\n return result;\n }\n\n /// @dev Inserts bytes at a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes to insert.\n function writeBytesWithLength(\n bytes memory b,\n uint256 index,\n bytes memory input\n )\n internal\n pure\n {\n // Assert length of is valid, given\n // length of input\n require(\n b.length >= index + 32 + input.length, // 32 bytes to store length\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n\n // Copy into \n memCopy(\n b.contentAddress() + index,\n input.rawAddress(), // includes length of \n input.length + 32 // +32 bytes to store length\n );\n }\n\n /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length.\n /// @param dest Byte array that will be overwritten with source bytes.\n /// @param source Byte array to copy onto dest bytes.\n function deepCopyBytes(\n bytes memory dest,\n bytes memory source\n )\n internal\n pure\n {\n uint256 sourceLen = source.length;\n // Dest length must be >= source length, or some bytes would not be copied.\n require(\n dest.length >= sourceLen,\n \"GREATER_OR_EQUAL_TO_SOURCE_BYTES_LENGTH_REQUIRED\"\n );\n memCopy(\n dest.contentAddress(),\n source.contentAddress(),\n sourceLen\n );\n }\n}\n", + "2.0.0/utils/Ownable/IOwnable.sol": "pragma solidity 0.4.24;\n\n\ncontract IOwnable {\n\n function transferOwnership(address newOwner)\n public;\n}\n", + "2.0.0/utils/Ownable/Ownable.sol": "pragma solidity 0.4.24;\n\nimport \"./IOwnable.sol\";\n\n\ncontract Ownable is\n IOwnable\n{\n address public owner;\n\n constructor ()\n public\n {\n owner = msg.sender;\n }\n\n modifier onlyOwner() {\n require(\n msg.sender == owner,\n \"ONLY_CONTRACT_OWNER\"\n );\n _;\n }\n\n function transferOwnership(address newOwner)\n public\n onlyOwner\n {\n if (newOwner != address(0)) {\n owner = newOwner;\n }\n }\n}\n", + "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ReentrancyGuard {\n\n // Locked state of mutex\n bool private locked = false;\n\n /// @dev Functions with this modifer cannot be reentered. The mutex will be locked\n /// before function execution and unlocked after.\n modifier nonReentrant() {\n // Ensure mutex is unlocked\n require(\n !locked,\n \"REENTRANCY_ILLEGAL\"\n );\n\n // Lock mutex before function call\n locked = true;\n\n // Perform function call\n _;\n\n // Unlock mutex after function call\n locked = false;\n }\n}\n", + "2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n\n function safeMul(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(\n c / a == b,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function safeDiv(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a / b;\n return c;\n }\n\n function safeSub(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n require(\n b <= a,\n \"UINT256_UNDERFLOW\"\n );\n return a - b;\n }\n\n function safeAdd(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a + b;\n require(\n c >= a,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function max64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n\n function max256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n}\n" + }, + "sourceTreeHashHex": "0xb375308e9f71e2b537b4b9fe7d0dc45c38b7c936468e948958e6aa135dc204c1", + "compiler": { + "name": "solc", + "version": "soljson-v0.4.24+commit.e67f0147.js", + "settings": { + "optimizer": { + "enabled": true, + "runs": 1000000 + }, + "outputSelection": { + "*": { + "*": [ + "abi", + "evm.bytecode.object", + "evm.bytecode.sourceMap", + "evm.deployedBytecode.object", + "evm.deployedBytecode.sourceMap" + ] + } + } + } + }, + "networks": { + "3": { + "address": "0x3983e204b12b3c02fb0638caf2cd406a62e0ead3", + "links": {}, + "constructorArgs": "[\"0x4530c0483a1633c7a1c97d2c53721caff2caaaaf\",\"0xf47261b0000000000000000000000000ff67881f8d12f372d91baae9752eb3631ff0ed00\",\"0xf47261b0000000000000000000000000c778417e063141139fce010982780140aa0cd5ab\"]" + }, + "42": { + "address": "0xd85e2fa7e7e252b27b01bf0d65c946959d2f45b8", + "links": {}, + "constructorArgs": "[\"0x35dd2932454449b14cee11a94d3674a936d5d7b2\",\"0xf47261b00000000000000000000000002002d3812f58e35f0ea1ffbf80a75a38c32175fa\",\"0xf47261b0000000000000000000000000d0a1e359811322d97991e03f863a0c30c2cf029c\"]" + }, + "50": { + "address": "0xb69e673309512a9d726f87304c6984054f87a93b", + "links": {}, + "constructorArgs": "[\"0x0b1ba0af832d7c05fd64161e0db78e85978e8082\",\"0xf47261b0000000000000000000000000871dd7c2b4b25e1aa18728e9d5f2af4c4e431f5c\",\"0xf47261b00000000000000000000000000000000000000000000000000000000000000000\"]" + } + } +} diff --git a/packages/migrations/artifacts/2.0.0-testnet/IValidator.json b/packages/migrations/artifacts/2.0.0-testnet/IValidator.json new file mode 100644 index 000000000..0ccb7b343 --- /dev/null +++ b/packages/migrations/artifacts/2.0.0-testnet/IValidator.json @@ -0,0 +1,320 @@ +{ + "schemaVersion": "2.0.0", + "contractName": "IValidator", + "compilerOutput": { + "abi": [ + { + "constant": true, + "inputs": [ + { + "name": "hash", + "type": "bytes32" + }, + { + "name": "signerAddress", + "type": "address" + }, + { + "name": "signature", + "type": "bytes" + } + ], + "name": "isValidSignature", + "outputs": [ + { + "name": "isValid", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + } + ], + "evm": { + "bytecode": { + "linkReferences": {}, + "object": "0x", + "opcodes": "", + "sourceMap": "" + }, + "deployedBytecode": { + "linkReferences": {}, + "object": "0x", + "opcodes": "", + "sourceMap": "" + } + } + }, + "sources": { + "2.0.0/extensions/Forwarder/Forwarder.sol": { + "id": 0 + }, + "2.0.0/extensions/Forwarder/MixinAssets.sol": { + "id": 1 + }, + "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": { + "id": 2 + }, + "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": { + "id": 3 + }, + "2.0.0/extensions/Forwarder/MixinWeth.sol": { + "id": 4 + }, + "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": { + "id": 5 + }, + "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": { + "id": 6 + }, + "2.0.0/extensions/Forwarder/libs/LibConstants.sol": { + "id": 7 + }, + "2.0.0/extensions/Forwarder/mixins/MAssets.sol": { + "id": 8 + }, + "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": { + "id": 9 + }, + "2.0.0/extensions/Forwarder/mixins/MWeth.sol": { + "id": 10 + }, + "2.0.0/extensions/OrderValidator/OrderValidator.sol": { + "id": 11 + }, + "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": { + "id": 12 + }, + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": { + "id": 13 + }, + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": { + "id": 14 + }, + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": { + "id": 15 + }, + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": { + "id": 16 + }, + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": { + "id": 17 + }, + "2.0.0/protocol/Exchange/Exchange.sol": { + "id": 18 + }, + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": { + "id": 19 + }, + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": { + "id": 20 + }, + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": { + "id": 21 + }, + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": { + "id": 22 + }, + "2.0.0/protocol/Exchange/MixinTransactions.sol": { + "id": 23 + }, + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": { + "id": 24 + }, + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": { + "id": 25 + }, + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": { + "id": 26 + }, + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": { + "id": 27 + }, + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": { + "id": 28 + }, + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": { + "id": 29 + }, + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": { + "id": 30 + }, + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": { + "id": 31 + }, + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": { + "id": 32 + }, + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": { + "id": 33 + }, + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": { + "id": 34 + }, + "2.0.0/protocol/Exchange/libs/LibConstants.sol": { + "id": 35 + }, + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": { + "id": 36 + }, + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": { + "id": 37 + }, + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": { + "id": 38 + }, + "2.0.0/protocol/Exchange/libs/LibMath.sol": { + "id": 39 + }, + "2.0.0/protocol/Exchange/libs/LibOrder.sol": { + "id": 40 + }, + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": { + "id": 41 + }, + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": { + "id": 42 + }, + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": { + "id": 43 + }, + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": { + "id": 44 + }, + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": { + "id": 45 + }, + "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": { + "id": 46 + }, + "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": { + "id": 47 + }, + "2.0.0/tokens/ERC20Token/ERC20Token.sol": { + "id": 48 + }, + "2.0.0/tokens/ERC20Token/IERC20Token.sol": { + "id": 49 + }, + "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": { + "id": 50 + }, + "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": { + "id": 51 + }, + "2.0.0/tokens/ERC721Token/ERC721Token.sol": { + "id": 52 + }, + "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": { + "id": 53 + }, + "2.0.0/tokens/ERC721Token/IERC721Token.sol": { + "id": 54 + }, + "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": { + "id": 55 + }, + "2.0.0/tokens/EtherToken/IEtherToken.sol": { + "id": 56 + }, + "2.0.0/utils/LibBytes/LibBytes.sol": { + "id": 57 + }, + "2.0.0/utils/Ownable/IOwnable.sol": { + "id": 58 + }, + "2.0.0/utils/Ownable/Ownable.sol": { + "id": 59 + }, + "2.0.0/utils/SafeMath/SafeMath.sol": { + "id": 60 + } + }, + "sourceCodes": { + "2.0.0/extensions/Forwarder/Forwarder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinWeth.sol\";\nimport \"./MixinForwarderCore.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinAssets.sol\";\nimport \"./MixinExchangeWrapper.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Forwarder is\n LibConstants,\n MixinWeth,\n MixinAssets,\n MixinExchangeWrapper,\n MixinForwarderCore\n{\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n LibConstants(\n _exchange,\n _zrxAssetData,\n _wethAssetData\n )\n MixinForwarderCore()\n {}\n}\n", + "2.0.0/extensions/Forwarder/MixinAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MAssets.sol\";\n\n\ncontract MixinAssets is\n Ownable,\n LibConstants,\n MAssets\n{\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256(\"transfer(address,uint256)\"));\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external\n onlyOwner\n {\n transferAssetToSender(assetData, amount);\n }\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n bytes4 proxyId = assetData.readBytes4(0);\n\n if (proxyId == ERC20_DATA_ID) {\n transferERC20Token(assetData, amount);\n } else if (proxyId == ERC721_DATA_ID) {\n transferERC721Token(assetData, amount);\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n }\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n address token = assetData.readAddress(16);\n\n // Transfer tokens.\n // We do a raw call so we can check the success separate\n // from the return data.\n bool success = token.call(abi.encodeWithSelector(\n ERC20_TRANSFER_SELECTOR,\n msg.sender,\n amount\n ));\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n \n // Check return data.\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // value that evaluates to true.\n assembly {\n if returndatasize {\n success := 0\n if eq(returndatasize, 32) {\n // First 64 bytes of memory are reserved scratch space\n returndatacopy(0, 0, 32)\n success := mload(0)\n }\n }\n }\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n }\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n require(\n amount == 1,\n \"INVALID_AMOUNT\"\n );\n // Decode asset data.\n address token = assetData.readAddress(16);\n uint256 tokenId = assetData.readUint256(36);\n\n // Perform transfer.\n IERC721Token(token).transferFrom(\n address(this),\n msg.sender,\n tokenId\n );\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"../../protocol/Exchange/libs/LibAbiEncoder.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinExchangeWrapper is\n LibAbiEncoder,\n LibFillResults,\n LibMath,\n LibConstants,\n MExchangeWrapper\n{\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n address exchange = address(EXCHANGE);\n\n // Call `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := call(\n gas, // forward all gas, TODO: look into gas consumption of assert/throw\n exchange, // call address of Exchange contract\n 0, // transfer 0 wei\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n switch success\n case 0 {\n mstore(fillResults, 0)\n mstore(add(fillResults, 32), 0)\n mstore(add(fillResults, 64), 0)\n mstore(add(fillResults, 96), 0)\n }\n case 1 {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of WETH to sell\n uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of WETH\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmount(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount;\n if (makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n\n require(\n makerAssetFilledAmount >= makerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n // Do nothing if zrxBuyAmount == 0\n if (zrxBuyAmount == 0) {\n return totalFillResults;\n }\n\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n uint256 zrxPurchased = 0;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // All of these are ZRX/WETH, so we can drop the respective assetData from calldata.\n orders[i].makerAssetData = zrxAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of ZRX to buy.\n uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased);\n\n // Convert the remaining amount of ZRX to buy into remaining amount\n // of WETH to sell, assuming entire amount can be sold in the current order.\n uint256 remainingWethSellAmount = getPartialAmount(\n orders[i].takerAssetAmount,\n safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees \n remainingZrxBuyAmount\n );\n\n // Attempt to sell the remaining amount of WETH.\n FillResults memory singleFillResult = fillOrderNoThrow(\n orders[i],\n safeAdd(remainingWethSellAmount, 1), // we add 1 wei to the fill amount to make up for rounding errors\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker.\n addFillResults(totalFillResults, singleFillResult);\n zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid);\n\n // Stop execution if the entire amount of ZRX has been bought.\n if (zrxPurchased >= zrxBuyAmount) {\n break;\n }\n }\n\n require(\n zrxPurchased >= zrxBuyAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\nimport \"./mixins/MAssets.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"./interfaces/IForwarderCore.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinForwarderCore is\n LibFillResults,\n LibMath,\n LibConstants,\n MWeth,\n MAssets,\n MExchangeWrapper,\n IForwarderCore\n{\n\n using LibBytes for bytes;\n\n /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf.\n constructor ()\n public\n {\n address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID);\n if (proxyAddress != address(0)) {\n ETHER_TOKEN.approve(proxyAddress, MAX_UINT);\n ZRX_TOKEN.approve(proxyAddress, MAX_UINT);\n }\n }\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 wethSellAmount;\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // Calculate amount of WETH that won't be spent on ETH fees.\n wethSellAmount = getPartialAmount(\n PERCENTAGE_DENOMINATOR,\n safeAdd(PERCENTAGE_DENOMINATOR, feePercentage),\n msg.value\n );\n // Market sell available WETH.\n // ZRX fees are paid with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // 5% of WETH is reserved for filling feeOrders and paying feeRecipient.\n wethSellAmount = getPartialAmount(\n MAX_WETH_FILL_PERCENTAGE,\n PERCENTAGE_DENOMINATOR,\n msg.value\n );\n // Market sell 95% of WETH.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // If the makerAsset is ZRX, it is not necessary to pay fees out of this\n // contracts's ZRX balance because fees are factored into the price of the order.\n orderFillResults = marketBuyExactZrxWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // Attemp to purchase desired amount of makerAsset.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketBuyExactAmountWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\n\n\ncontract MixinWeth is\n LibMath,\n LibConstants,\n MWeth\n{\n\n /// @dev Default payabale function, this allows us to withdraw WETH\n function ()\n public\n payable\n {\n require(\n msg.sender == address(ETHER_TOKEN),\n \"DEFAULT_FUNCTION_WETH_CONTRACT_ONLY\"\n );\n }\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal\n {\n require(\n msg.value > 0,\n \"INVALID_MSG_VALUE\"\n );\n ETHER_TOKEN.deposit.value(msg.value)();\n }\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal\n {\n // Ensure feePercentage is less than 5%.\n require(\n feePercentage <= MAX_FEE_PERCENTAGE,\n \"FEE_PERCENTAGE_TOO_LARGE\"\n );\n\n // Ensure that no extra WETH owned by this contract has been sold.\n uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx);\n require(\n wethSold <= msg.value,\n \"OVERSOLD_WETH\"\n );\n\n // Calculate amount of WETH that hasn't been sold.\n uint256 wethRemaining = safeSub(msg.value, wethSold);\n\n // Calculate ETH fee to pay to feeRecipient.\n uint256 ethFee = getPartialAmount(\n feePercentage,\n PERCENTAGE_DENOMINATOR,\n wethSoldExcludingFeeOrders\n );\n\n // Ensure fee is less than amount of WETH remaining.\n require(\n ethFee <= wethRemaining,\n \"INSUFFICIENT_ETH_REMAINING\"\n );\n \n // Do nothing if no WETH remaining\n if (wethRemaining > 0) {\n // Convert remaining WETH to ETH\n ETHER_TOKEN.withdraw(wethRemaining);\n\n // Pay ETH to feeRecipient\n if (ethFee > 0) {\n feeRecipient.transfer(ethFee);\n }\n\n // Refund remaining ETH to msg.sender.\n uint256 ethRefund = safeSub(wethRemaining, ethFee);\n if (ethRefund > 0) {\n msg.sender.transfer(ethRefund);\n }\n }\n }\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssets {\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external;\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract IForwarderCore {\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n}\n", + "2.0.0/extensions/Forwarder/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/LibBytes/LibBytes.sol\";\nimport \"../../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../../tokens/EtherToken/IEtherToken.sol\";\nimport \"../../../tokens/ERC20Token/IERC20Token.sol\";\n\n\ncontract LibConstants {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n uint256 constant internal MAX_UINT = 2**256 - 1;\n uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; \n uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5%\n uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95%\n \n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n IEtherToken internal ETHER_TOKEN;\n IERC20Token internal ZRX_TOKEN;\n bytes internal ZRX_ASSET_DATA;\n bytes internal WETH_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n WETH_ASSET_DATA = _wethAssetData;\n\n address etherToken = _wethAssetData.readAddress(16);\n address zrxToken = _zrxAssetData.readAddress(16);\n ETHER_TOKEN = IEtherToken(etherToken);\n ZRX_TOKEN = IERC20Token(zrxToken);\n }\n}\n", + "2.0.0/extensions/Forwarder/mixins/MAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssets.sol\";\n\n\ncontract MAssets is\n IAssets\n{\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract MExchangeWrapper {\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n}\n", + "2.0.0/extensions/Forwarder/mixins/MWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract MWeth {\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal;\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal;\n}\n", + "2.0.0/extensions/OrderValidator/OrderValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract OrderValidator {\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n using LibBytes for bytes;\n\n struct TraderInfo {\n uint256 makerBalance; // Maker's balance of makerAsset\n uint256 makerAllowance; // Maker's allowance to corresponding AssetProxy\n uint256 takerBalance; // Taker's balance of takerAsset\n uint256 takerAllowance; // Taker's allowance to corresponding AssetProxy\n uint256 makerZrxBalance; // Maker's balance of ZRX\n uint256 makerZrxAllowance; // Maker's allowance of ZRX to ERC20Proxy\n uint256 takerZrxBalance; // Taker's balance of ZRX\n uint256 takerZrxAllowance; // Taker's allowance of ZRX to ERC20Proxy\n }\n\n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n bytes internal ZRX_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (address _exchange, bytes memory _zrxAssetData)\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n }\n\n /// @dev Fetches information for order and maker/taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return OrderInfo and TraderInfo instances for given order.\n function getOrderAndTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo, TraderInfo memory traderInfo)\n {\n orderInfo = EXCHANGE.getOrderInfo(order);\n traderInfo = getTraderInfo(order, takerAddress);\n return (orderInfo, traderInfo);\n }\n\n /// @dev Fetches information for all passed in orders and the makers/takers of each order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Arrays of OrderInfo and TraderInfo instances that correspond to each order.\n function getOrdersAndTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (LibOrder.OrderInfo[] memory ordersInfo, TraderInfo[] memory tradersInfo)\n {\n ordersInfo = EXCHANGE.getOrdersInfo(orders);\n tradersInfo = getTradersInfo(orders, takerAddresses);\n return (ordersInfo, tradersInfo);\n }\n\n /// @dev Fetches balance and allowances for maker and taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return Balances and allowances of maker and taker of order.\n function getTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (TraderInfo memory traderInfo)\n {\n (traderInfo.makerBalance, traderInfo.makerAllowance) = getBalanceAndAllowance(order.makerAddress, order.makerAssetData);\n (traderInfo.takerBalance, traderInfo.takerAllowance) = getBalanceAndAllowance(takerAddress, order.takerAssetData);\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n (traderInfo.makerZrxBalance, traderInfo.makerZrxAllowance) = getBalanceAndAllowance(order.makerAddress, zrxAssetData);\n (traderInfo.takerZrxBalance, traderInfo.takerZrxAllowance) = getBalanceAndAllowance(takerAddress, zrxAssetData);\n return traderInfo;\n }\n\n /// @dev Fetches balances and allowances of maker and taker for each provided order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Array of balances and allowances for maker and taker of each order.\n function getTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (TraderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n TraderInfo[] memory tradersInfo = new TraderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n tradersInfo[i] = getTraderInfo(orders[i], takerAddresses[i]);\n }\n return tradersInfo;\n }\n\n /// @dev Fetches token balances and allowances of an address to given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Encoded data that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balance of asset and allowance set to given proxy of asset.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalanceAndAllowance(address target, bytes memory assetData)\n public\n view\n returns (uint256 balance, uint256 allowance)\n {\n bytes4 assetProxyId = assetData.readBytes4(0);\n address token = assetData.readAddress(16);\n address assetProxy = EXCHANGE.getAssetProxy(assetProxyId);\n\n if (assetProxyId == ERC20_DATA_ID) {\n // Query balance\n balance = IERC20Token(token).balanceOf(target);\n\n // Query allowance\n allowance = IERC20Token(token).allowance(target, assetProxy);\n } else if (assetProxyId == ERC721_DATA_ID) {\n uint256 tokenId = assetData.readUint256(36);\n\n // Query owner of tokenId\n address owner = getERC721TokenOwner(token, tokenId);\n\n // Set balance to 1 if tokenId is owned by target\n balance = target == owner ? 1 : 0;\n\n // Check if ERC721Proxy is approved to spend tokenId\n bool isApproved = IERC721Token(token).isApprovedForAll(target, assetProxy) || IERC721Token(token).getApproved(tokenId) == assetProxy;\n \n // Set alowance to 1 if ERC721Proxy is approved to spend tokenId\n allowance = isApproved ? 1 : 0;\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n return (balance, allowance);\n }\n\n /// @dev Fetches token balances and allowances of an address for each given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Array of encoded byte arrays that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balances and allowances of assets.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalancesAndAllowances(address target, bytes[] memory assetData)\n public\n view\n returns (uint256[] memory, uint256[] memory)\n {\n uint256 length = assetData.length;\n uint256[] memory balances = new uint256[](length);\n uint256[] memory allowances = new uint256[](length);\n for (uint256 i = 0; i != length; i++) {\n (balances[i], allowances[i]) = getBalanceAndAllowance(target, assetData[i]);\n }\n return (balances, allowances);\n }\n\n /// @dev Calls `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token.\n /// @param token Address of ERC721 token.\n /// @param tokenId The identifier for the specific NFT.\n /// @return Owner of tokenId or null address if unowned.\n function getERC721TokenOwner(address token, uint256 tokenId)\n public\n view\n returns (address owner)\n {\n assembly {\n // load free memory pointer\n let cdStart := mload(64)\n\n // bytes4(keccak256(ownerOf(uint256))) = 0x6352211e\n mstore(cdStart, 0x6352211e00000000000000000000000000000000000000000000000000000000)\n mstore(add(cdStart, 4), tokenId)\n\n // staticcall `ownerOf(tokenId)`\n // `ownerOf` will revert if tokenId is not owned\n let success := staticcall(\n gas, // forward all gas\n token, // call token contract\n cdStart, // start of calldata\n 36, // length of input is 36 bytes\n cdStart, // write output over input\n 32 // size of output is 32 bytes\n )\n\n // Success implies that tokenId is owned\n // Copy owner from return data if successful\n if success {\n owner := mload(cdStart)\n } \n }\n\n // Owner initialized to address(0), no need to modify if call is unsuccessful\n return owner;\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC20Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n \n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n \n /////// Token contract address ///////\n // The token address is found as follows:\n // * It is stored at offset 4 in `assetData` contents.\n // * This is stored at offset 32 from `assetData`.\n // * The offset to `assetData` from Params is stored at offset\n // 4 in calldata.\n // * The offset of Params in calldata is 4.\n // So we read location 4 and add 32 + 4 + 4 to it.\n let token := calldataload(add(calldataload(4), 40))\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from`, `to` and `amount` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 96)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output over input\n 32 // output size should be 32 bytes\n )\n\n /////// Check return data. ///////\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // nonzero 32 bytes value.\n // So the transfer succeeded if the call succeeded and either\n // returned nothing, or returned a non-zero 32 byte value. \n success := and(success, or(\n iszero(returndatasize),\n and(\n eq(returndatasize, 32),\n gt(mload(0), 0)\n )\n ))\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC721Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 2 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n // | | 36 | | 2. tokenId |\n \n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. tokenId |\n\n // There exists only 1 of each token.\n // require(amount == 1, \"INVALID_AMOUNT\")\n if sub(calldataload(100), 1) {\n // Revert with `Error(\"INVALID_AMOUNT\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from` and `to` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 64)\n\n // Copy `tokenId` field from our own calldata to the new calldata.\n let assetDataOffset := calldataload(4)\n calldatacopy(68, add(assetDataOffset, 72), 32)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let token := calldataload(add(assetDataOffset, 40))\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output to null\n 0 // output size is 0 bytes\n )\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAuthorizable.sol\";\n\n\ncontract MixinAuthorizable is\n Ownable,\n MAuthorizable\n{\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized {\n require(\n authorized[msg.sender],\n \"SENDER_NOT_AUTHORIZED\"\n );\n _;\n }\n\n mapping (address => bool) public authorized;\n address[] public authorities;\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n !authorized[target],\n \"TARGET_ALREADY_AUTHORIZED\"\n );\n\n authorized[target] = true;\n authorities.push(target);\n emit AuthorizedAddressAdded(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n\n delete authorized[target];\n for (uint256 i = 0; i < authorities.length; i++) {\n if (authorities[i] == target) {\n authorities[i] = authorities[authorities.length - 1];\n authorities.length -= 1;\n break;\n }\n }\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n require(\n index < authorities.length,\n \"INDEX_OUT_OF_BOUNDS\"\n );\n require(\n authorities[index] == target,\n \"AUTHORIZED_ADDRESS_MISMATCH\"\n );\n\n delete authorized[target];\n authorities[index] = authorities[authorities.length - 1];\n authorities.length -= 1;\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory)\n {\n return authorities;\n }\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IAuthorizable.sol\";\n\n\ncontract IAssetProxy is\n IAuthorizable\n{\n\n /// @dev Transfers assets. Either succeeds or throws.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n function transferFrom(\n bytes assetData,\n address from,\n address to,\n uint256 amount\n )\n external;\n \n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4);\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/Ownable/IOwnable.sol\";\n\n\ncontract IAuthorizable is\n IOwnable\n{\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external;\n \n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory);\n}\n", + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAuthorizable.sol\";\n\n\ncontract MAuthorizable is\n IAuthorizable\n{\n\n // Event logged when a new address is authorized.\n event AuthorizedAddressAdded(\n address indexed target,\n address indexed caller\n );\n\n // Event logged when a currently authorized address is unauthorized.\n event AuthorizedAddressRemoved(\n address indexed target,\n address indexed caller\n );\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized { revert(); _; }\n}\n", + "2.0.0/protocol/Exchange/Exchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinExchangeCore.sol\";\nimport \"./MixinSignatureValidator.sol\";\nimport \"./MixinWrapperFunctions.sol\";\nimport \"./MixinAssetProxyDispatcher.sol\";\nimport \"./MixinTransactions.sol\";\nimport \"./MixinMatchOrders.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Exchange is\n MixinExchangeCore,\n MixinMatchOrders,\n MixinSignatureValidator,\n MixinTransactions,\n MixinAssetProxyDispatcher,\n MixinWrapperFunctions\n{\n\n string constant public VERSION = \"2.0.1-alpha\";\n\n // Mixins are instantiated in the order they are inherited\n constructor (bytes memory _zrxAssetData)\n public\n LibConstants(_zrxAssetData) // @TODO: Remove when we deploy.\n MixinExchangeCore()\n MixinMatchOrders()\n MixinSignatureValidator()\n MixinTransactions()\n MixinAssetProxyDispatcher()\n MixinWrapperFunctions()\n {}\n}\n", + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\nimport \"../AssetProxy/interfaces/IAssetProxy.sol\";\n\n\ncontract MixinAssetProxyDispatcher is\n Ownable,\n MAssetProxyDispatcher\n{\n using LibBytes for bytes;\n \n // Mapping from Asset Proxy Id's to their respective Asset Proxy\n mapping (bytes4 => IAssetProxy) public assetProxies;\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external\n onlyOwner\n {\n IAssetProxy assetProxyContract = IAssetProxy(assetProxy);\n\n // Ensure that no asset proxy exists with current id.\n bytes4 assetProxyId = assetProxyContract.getProxyId();\n address currentAssetProxy = assetProxies[assetProxyId];\n require(\n currentAssetProxy == address(0),\n \"ASSET_PROXY_ALREADY_EXISTS\"\n );\n\n // Add asset proxy and log registration.\n assetProxies[assetProxyId] = assetProxyContract;\n emit AssetProxyRegistered(\n assetProxyId,\n assetProxy\n );\n }\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address)\n {\n return assetProxies[assetProxyId];\n }\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal\n {\n // Do nothing if no amount should be transferred.\n if (amount > 0) {\n // Ensure assetData length is valid\n require(\n assetData.length > 3,\n \"LENGTH_GREATER_THAN_3_REQUIRED\"\n );\n \n // Lookup assetProxy\n bytes4 assetProxyId;\n assembly {\n assetProxyId := and(mload(\n add(assetData, 32)),\n 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000\n )\n }\n address assetProxy = assetProxies[assetProxyId];\n\n // Ensure that assetProxy exists\n require(\n assetProxy != address(0),\n \"ASSET_PROXY_DOES_NOT_EXIST\"\n );\n \n // We construct calldata for the `assetProxy.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n\n assembly {\n /////// Setup State ///////\n // `cdStart` is the start of the calldata for `assetProxy.transferFrom` (equal to free memory ptr).\n let cdStart := mload(64)\n // `dataAreaLength` is the total number of words needed to store `assetData`\n // As-per the ABI spec, this value is padded up to the nearest multiple of 32,\n // and includes 32-bytes for length.\n let dataAreaLength := and(add(mload(assetData), 63), 0xFFFFFFFFFFFE0)\n // `cdEnd` is the end of the calldata for `assetProxy.transferFrom`.\n let cdEnd := add(cdStart, add(132, dataAreaLength))\n\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFromSelector`.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes.\n // Notes:\n // 1. The offset to `assetData` is the length of the Params Area (128 bytes).\n // 2. A 20-byte mask is applied to addresses to zero-out the unused bytes.\n mstore(add(cdStart, 4), 128)\n mstore(add(cdStart, 36), and(from, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 68), and(to, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 100), amount)\n \n /////// Setup Data Area ///////\n // This area holds `assetData`.\n let dataArea := add(cdStart, 132)\n // solhint-disable-next-line no-empty-blocks\n for {} lt(dataArea, cdEnd) {} {\n mstore(dataArea, mload(assetData))\n dataArea := add(dataArea, 32)\n assetData := add(assetData, 32)\n }\n\n /////// Call `assetProxy.transferFrom` using the constructed calldata ///////\n let success := call(\n gas, // forward all gas\n assetProxy, // call address of asset proxy\n 0, // don't send any ETH\n cdStart, // pointer to start of input\n sub(cdEnd, cdStart), // length of input \n cdStart, // write output over input\n 512 // reserve 512 bytes for output\n )\n if iszero(success) {\n revert(cdStart, returndatasize())\n }\n }\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinExchangeCore is\n LibConstants,\n LibMath,\n LibOrder,\n LibFillResults,\n MAssetProxyDispatcher,\n MExchangeCore,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of orderHash => amount of takerAsset already bought by maker\n mapping (bytes32 => uint256) public filled;\n\n // Mapping of orderHash => cancelled\n mapping (bytes32 => bool) public cancelled;\n\n // Mapping of makerAddress => senderAddress => lowest salt an order can have in order to be fillable\n // Orders with specified senderAddress and with a salt less than their epoch are considered cancelled\n mapping (address => mapping (address => uint256)) public orderEpoch;\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external\n {\n address makerAddress = getCurrentContextAddress();\n // If this function is called via `executeTransaction`, we only update the orderEpoch for the makerAddress/msg.sender combination.\n // This allows external filter contracts to add rules to how orders are cancelled via this function.\n address senderAddress = makerAddress == msg.sender ? address(0) : msg.sender;\n\n // orderEpoch is initialized to 0, so to cancelUpTo we need salt + 1\n uint256 newOrderEpoch = targetOrderEpoch + 1; \n uint256 oldOrderEpoch = orderEpoch[makerAddress][senderAddress];\n\n // Ensure orderEpoch is monotonically increasing\n require(\n newOrderEpoch > oldOrderEpoch, \n \"INVALID_NEW_ORDER_EPOCH\"\n );\n\n // Update orderEpoch\n orderEpoch[makerAddress][senderAddress] = newOrderEpoch;\n emit CancelUpTo(makerAddress, senderAddress, newOrderEpoch);\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // Fetch order info\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n\n // Get amount of takerAsset to fill\n uint256 remainingTakerAssetAmount = safeSub(order.takerAssetAmount, orderInfo.orderTakerAssetFilledAmount);\n uint256 takerAssetFilledAmount = min256(takerAssetFillAmount, remainingTakerAssetAmount);\n\n // Validate context\n assertValidFill(\n order,\n orderInfo,\n takerAddress,\n takerAssetFillAmount,\n takerAssetFilledAmount,\n signature\n );\n\n // Compute proportional fill amounts\n fillResults = calculateFillResults(order, takerAssetFilledAmount);\n\n // Update exchange internal state\n updateFilledState(\n order,\n takerAddress,\n orderInfo.orderHash,\n orderInfo.orderTakerAssetFilledAmount,\n fillResults\n );\n \n // Settle order\n settleOrder(order, takerAddress, fillResults);\n\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrder(Order memory order)\n public\n {\n // Fetch current order status\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Validate context\n assertValidCancel(order, orderInfo);\n\n // Perform cancel\n updateCancelledState(order, orderInfo.orderHash);\n }\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(Order memory order)\n public\n view\n returns (OrderInfo memory orderInfo)\n {\n // Compute the order hash\n orderInfo.orderHash = getOrderHash(order);\n\n // Fetch filled amount\n orderInfo.orderTakerAssetFilledAmount = filled[orderInfo.orderHash];\n\n // If order.makerAssetAmount is zero, we also reject the order.\n // While the Exchange contract handles them correctly, they create\n // edge cases in the supporting infrastructure because they have\n // an 'infinite' price when computed by a simple division.\n if (order.makerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_MAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // If order.takerAssetAmount is zero, then the order will always\n // be considered filled because 0 == takerAssetAmount == orderTakerAssetFilledAmount\n // Instead of distinguishing between unfilled and filled zero taker\n // amount orders, we choose not to support them.\n if (order.takerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_TAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // Validate order availability\n if (orderInfo.orderTakerAssetFilledAmount >= order.takerAssetAmount) {\n orderInfo.orderStatus = uint8(OrderStatus.FULLY_FILLED);\n return orderInfo;\n }\n\n // Validate order expiration\n // solhint-disable-next-line not-rely-on-time\n if (block.timestamp >= order.expirationTimeSeconds) {\n orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);\n return orderInfo;\n }\n\n // Check if order has been cancelled\n if (cancelled[orderInfo.orderHash]) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n if (orderEpoch[order.makerAddress][order.senderAddress] > order.salt) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n\n // All other statuses are ruled out: order is Fillable\n orderInfo.orderStatus = uint8(OrderStatus.FILLABLE);\n return orderInfo;\n }\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n function updateFilledState(\n Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n FillResults memory fillResults\n )\n internal\n {\n // Update state\n filled[orderHash] = safeAdd(orderTakerAssetFilledAmount, fillResults.takerAssetFilledAmount);\n\n // Log order\n emit Fill(\n order.makerAddress,\n order.feeRecipientAddress,\n takerAddress,\n msg.sender,\n fillResults.makerAssetFilledAmount,\n fillResults.takerAssetFilledAmount,\n fillResults.makerFeePaid,\n fillResults.takerFeePaid,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n Order memory order,\n bytes32 orderHash\n )\n internal\n {\n // Perform cancel\n cancelled[orderHash] = true;\n\n // Log cancel\n emit Cancel(\n order.makerAddress,\n order.feeRecipientAddress,\n msg.sender,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param signature Proof that the orders was created by its maker.\n function assertValidFill(\n Order memory order,\n OrderInfo memory orderInfo,\n address takerAddress,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n bytes memory signature\n )\n internal\n view\n {\n // An order can only be filled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Revert if fill amount is invalid\n require(\n takerAssetFillAmount != 0,\n \"INVALID_TAKER_AMOUNT\"\n );\n\n // Validate sender is allowed to fill this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate taker is allowed to fill this order\n if (order.takerAddress != address(0)) {\n require(\n order.takerAddress == takerAddress,\n \"INVALID_TAKER\"\n );\n }\n\n // Validate Maker signature (check only if first time seen)\n if (orderInfo.orderTakerAssetFilledAmount == 0) {\n require(\n isValidSignature(\n orderInfo.orderHash,\n order.makerAddress,\n signature\n ),\n \"INVALID_ORDER_SIGNATURE\"\n );\n }\n\n // Validate fill order rounding\n require(\n !isRoundingError(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n ),\n \"ROUNDING_ERROR\"\n );\n }\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n Order memory order,\n OrderInfo memory orderInfo\n )\n internal\n view\n {\n // Ensure order is valid\n // An order can only be cancelled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Validate sender is allowed to cancel this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate transaction signed by maker\n address makerAddress = getCurrentContextAddress();\n require(\n order.makerAddress == makerAddress,\n \"INVALID_MAKER\"\n );\n }\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (FillResults memory fillResults)\n {\n // Compute proportional transfer amounts\n fillResults.takerAssetFilledAmount = takerAssetFilledAmount;\n fillResults.makerAssetFilledAmount = getPartialAmount(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n );\n fillResults.makerFeePaid = getPartialAmount(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerFee\n );\n fillResults.takerFeePaid = getPartialAmount(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.takerFee\n );\n\n return fillResults;\n }\n\n /// @dev Settles an order by transferring assets between counterparties.\n /// @param order Order struct containing order specifications.\n /// @param takerAddress Address selling takerAsset and buying makerAsset.\n /// @param fillResults Amounts to be filled and fees paid by maker and taker.\n function settleOrder(\n LibOrder.Order memory order,\n address takerAddress,\n LibFillResults.FillResults memory fillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n dispatchTransferFrom(\n order.makerAssetData,\n order.makerAddress,\n takerAddress,\n fillResults.makerAssetFilledAmount\n );\n dispatchTransferFrom(\n order.takerAssetData,\n takerAddress,\n order.makerAddress,\n fillResults.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n zrxAssetData,\n order.makerAddress,\n order.feeRecipientAddress,\n fillResults.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n order.feeRecipientAddress,\n fillResults.takerFeePaid\n );\n }\n}\n", + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": "/*\n Copyright 2018 ZeroEx Intl.\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n http://www.apache.org/licenses/LICENSE-2.0\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MMatchOrders.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinMatchOrders is\n LibConstants,\n LibMath,\n MAssetProxyDispatcher,\n MExchangeCore,\n MMatchOrders,\n MTransactions\n{\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We assume that rightOrder.takerAssetData == leftOrder.makerAssetData and rightOrder.makerAssetData == leftOrder.takerAssetData.\n // If this assumption isn't true, the match will fail at signature validation.\n rightOrder.makerAssetData = leftOrder.takerAssetData;\n rightOrder.takerAssetData = leftOrder.makerAssetData;\n\n // Get left & right order info\n LibOrder.OrderInfo memory leftOrderInfo = getOrderInfo(leftOrder);\n LibOrder.OrderInfo memory rightOrderInfo = getOrderInfo(rightOrder);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n\n // Either our context is valid or we revert\n assertValidMatch(leftOrder, rightOrder);\n\n // Compute proportional fill amounts\n matchedFillResults = calculateMatchedFillResults(\n leftOrder,\n rightOrder,\n leftOrderInfo.orderTakerAssetFilledAmount,\n rightOrderInfo.orderTakerAssetFilledAmount\n );\n\n // Validate fill contexts\n assertValidFill(\n leftOrder,\n leftOrderInfo,\n takerAddress,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.takerAssetFilledAmount,\n leftSignature\n );\n assertValidFill(\n rightOrder,\n rightOrderInfo,\n takerAddress,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount,\n rightSignature\n );\n\n // Update exchange state\n updateFilledState(\n leftOrder,\n takerAddress,\n leftOrderInfo.orderHash,\n leftOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.left\n );\n updateFilledState(\n rightOrder,\n takerAddress,\n rightOrderInfo.orderHash,\n rightOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.right\n );\n \n // Settle matched orders. Succeeds or throws.\n settleMatchedOrders(\n leftOrder,\n rightOrder,\n takerAddress,\n matchedFillResults\n );\n\n return matchedFillResults;\n }\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure\n {\n // Make sure there is a profitable spread.\n // There is a profitable spread iff the cost per unit bought (OrderA.MakerAmount/OrderA.TakerAmount) for each order is greater\n // than the profit per unit sold of the matched order (OrderB.TakerAmount/OrderB.MakerAmount).\n // This is satisfied by the equations below:\n // / >= / \n // AND\n // / >= / \n // These equations can be combined to get the following:\n require(\n safeMul(leftOrder.makerAssetAmount, rightOrder.makerAssetAmount) >=\n safeMul(leftOrder.takerAssetAmount, rightOrder.takerAssetAmount),\n \"NEGATIVE_SPREAD_REQUIRED\"\n );\n }\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We settle orders at the exchange rate of the right order.\n // The amount saved by the left maker goes to the taker.\n // Either the left or right order will be fully filled; possibly both.\n // The left order is fully filled iff the right order can sell more than left can buy.\n // That is: the amount required to fill the left order is less than or equal to\n // the amount we can spend from the right order:\n // <= * \n // <= * / \n // * <= * \n uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);\n uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);\n uint256 leftTakerAssetFilledAmount;\n uint256 rightTakerAssetFilledAmount;\n if (\n safeMul(leftTakerAssetAmountRemaining, rightOrder.takerAssetAmount) <=\n safeMul(rightTakerAssetAmountRemaining, rightOrder.makerAssetAmount)\n ) {\n // Left order will be fully filled: maximally fill left\n leftTakerAssetFilledAmount = leftTakerAssetAmountRemaining;\n\n // The right order receives an amount proportional to how much was spent.\n rightTakerAssetFilledAmount = getPartialAmount(\n rightOrder.takerAssetAmount,\n rightOrder.makerAssetAmount,\n leftTakerAssetFilledAmount\n );\n } else {\n // Right order will be fully filled: maximally fill right\n rightTakerAssetFilledAmount = rightTakerAssetAmountRemaining;\n\n // The left order receives an amount proportional to how much was spent.\n leftTakerAssetFilledAmount = getPartialAmount(\n rightOrder.makerAssetAmount,\n rightOrder.takerAssetAmount,\n rightTakerAssetFilledAmount\n );\n }\n\n // Calculate fill results for left order\n matchedFillResults.left = calculateFillResults(\n leftOrder,\n leftTakerAssetFilledAmount\n );\n\n // Calculate fill results for right order\n matchedFillResults.right = calculateFillResults(\n rightOrder,\n rightTakerAssetFilledAmount\n );\n\n // Calculate amount given to taker\n matchedFillResults.leftMakerAssetSpreadAmount = safeSub(\n matchedFillResults.left.makerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount\n );\n\n // Return fill results\n return matchedFillResults;\n }\n\n /// @dev Settles matched order by transferring appropriate funds between order makers, taker, and fee recipient.\n /// @param leftOrder First matched order.\n /// @param rightOrder Second matched order.\n /// @param takerAddress Address that matched the orders. The taker receives the spread between orders as profit.\n /// @param matchedFillResults Struct holding amounts to transfer between makers, taker, and fee recipients.\n function settleMatchedOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n address takerAddress,\n LibFillResults.MatchedFillResults memory matchedFillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n // Order makers and taker\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n rightOrder.makerAddress,\n matchedFillResults.right.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n rightOrder.makerAssetData,\n rightOrder.makerAddress,\n leftOrder.makerAddress,\n matchedFillResults.left.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n takerAddress,\n matchedFillResults.leftMakerAssetSpreadAmount\n );\n\n // Maker fees\n dispatchTransferFrom(\n zrxAssetData,\n leftOrder.makerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n rightOrder.makerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.makerFeePaid\n );\n\n // Taker fees\n if (leftOrder.feeRecipientAddress == rightOrder.feeRecipientAddress) {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n safeAdd(\n matchedFillResults.left.takerFeePaid,\n matchedFillResults.right.takerFeePaid\n )\n );\n } else {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.takerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.takerFeePaid\n );\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./interfaces/IWallet.sol\";\nimport \"./interfaces/IValidator.sol\";\n\n\ncontract MixinSignatureValidator is\n MSignatureValidator,\n MTransactions\n{\n using LibBytes for bytes;\n \n // Mapping of hash => signer => signed\n mapping (bytes32 => mapping (address => bool)) public preSigned;\n\n // Mapping of signer => validator => approved\n mapping (address => mapping (address => bool)) public allowedValidators;\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n {\n require(\n isValidSignature(\n hash,\n signerAddress,\n signature\n ),\n \"INVALID_SIGNATURE\"\n );\n preSigned[hash][signerAddress] = true;\n }\n\n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external\n {\n address signerAddress = getCurrentContextAddress();\n allowedValidators[signerAddress][validatorAddress] = approval;\n emit SignatureValidatorApproval(\n signerAddress,\n validatorAddress,\n approval\n );\n }\n\n /// @dev Verifies that a hash has been signed by the given signer.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid)\n {\n require(\n signature.length > 0,\n \"LENGTH_GREATER_THAN_0_REQUIRED\"\n );\n\n // Pop last byte off of signature byte array.\n uint8 signatureTypeRaw = uint8(signature.popLastByte());\n\n // Ensure signature is supported\n require(\n signatureTypeRaw < uint8(SignatureType.NSignatureTypes),\n \"SIGNATURE_UNSUPPORTED\"\n );\n\n SignatureType signatureType = SignatureType(signatureTypeRaw);\n\n // Variables are not scoped in Solidity.\n uint8 v;\n bytes32 r;\n bytes32 s;\n address recovered;\n\n // Always illegal signature.\n // This is always an implicit option since a signer can create a\n // signature array with invalid type or length. We may as well make\n // it an explicit option. This aids testing and analysis. It is\n // also the initialization value for the enum type.\n if (signatureType == SignatureType.Illegal) {\n revert(\"SIGNATURE_ILLEGAL\");\n\n // Always invalid signature.\n // Like Illegal, this is always implicitly available and therefore\n // offered explicitly. It can be implicitly created by providing\n // a correctly formatted but incorrect signature.\n } else if (signatureType == SignatureType.Invalid) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = false;\n return isValid;\n\n // Signature using EIP712\n } else if (signatureType == SignatureType.EIP712) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n hash,\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signed using web3.eth_sign\n } else if (signatureType == SignatureType.EthSign) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n32\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Implicitly signed by caller.\n // The signer has initiated the call. In the case of non-contract\n // accounts it means the transaction itself was signed.\n // Example: let's say for a particular operation three signatures\n // A, B and C are required. To submit the transaction, A and B can\n // give a signature to C, who can then submit the transaction using\n // `Caller` for his own signature. Or A and C can sign and B can\n // submit using `Caller`. Having `Caller` allows this flexibility.\n } else if (signatureType == SignatureType.Caller) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = signerAddress == msg.sender;\n return isValid;\n\n // Signature verified by wallet contract.\n // If used with an order, the maker of the order is the wallet contract.\n } else if (signatureType == SignatureType.Wallet) {\n isValid = IWallet(signerAddress).isValidSignature(hash, signature);\n return isValid;\n\n // Signature verified by validator contract.\n // If used with an order, the maker of the order can still be an EOA.\n // A signature using this type should be encoded as:\n // | Offset | Length | Contents |\n // | 0x00 | x | Signature to validate |\n // | 0x00 + x | 20 | Address of validator contract |\n // | 0x14 + x | 1 | Signature type is always \"\\x06\" |\n } else if (signatureType == SignatureType.Validator) {\n // Pop last 20 bytes off of signature byte array.\n address validatorAddress = signature.popLast20Bytes();\n \n // Ensure signer has approved validator.\n if (!allowedValidators[signerAddress][validatorAddress]) {\n return false;\n }\n isValid = IValidator(validatorAddress).isValidSignature(\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signer signed hash previously using the preSign function.\n } else if (signatureType == SignatureType.PreSigned) {\n isValid = preSigned[hash][signerAddress];\n return isValid;\n\n // Signature from Trezor hardware wallet.\n // It differs from web3.eth_sign in the encoding of message length\n // (Bitcoin varint encoding vs ascii-decimal, the latter is not\n // self-terminating which leads to ambiguities).\n // See also:\n // https://en.bitcoin.it/wiki/Protocol_documentation#Variable_length_integer\n // https://github.com/trezor/trezor-mcu/blob/master/firmware/ethereum.c#L602\n // https://github.com/trezor/trezor-mcu/blob/master/firmware/crypto.c#L36\n } else if (signatureType == SignatureType.Trezor) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n\\x20\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n }\n\n // Anything else is illegal (We do not return false because\n // the signature may actually be valid, just not in a format\n // that we currently support. In this case returning false\n // may lead the caller to incorrectly believe that the\n // signature was invalid.)\n revert(\"SIGNATURE_UNSUPPORTED\");\n }\n}\n", + "2.0.0/protocol/Exchange/MixinTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"./libs/LibExchangeErrors.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./libs/LibEIP712.sol\";\n\n\ncontract MixinTransactions is\n LibEIP712,\n MSignatureValidator,\n MTransactions\n{\n\n // Mapping of transaction hash => executed\n // This prevents transactions from being executed more than once.\n mapping (bytes32 => bool) public transactions;\n\n // Address of current transaction signer\n address public currentContextAddress;\n\n // Hash for the EIP712 ZeroEx Transaction Schema\n bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"ZeroExTransaction(\",\n \"uint256 salt,\",\n \"address signerAddress,\",\n \"bytes data\",\n \")\"\n ));\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external\n {\n // Prevent reentrancy\n require(\n currentContextAddress == address(0),\n \"REENTRANCY_ILLEGAL\"\n );\n\n bytes32 transactionHash = hashEIP712Message(hashZeroExTransaction(\n salt,\n signerAddress,\n data\n ));\n\n // Validate transaction has not been executed\n require(\n !transactions[transactionHash],\n \"INVALID_TX_HASH\"\n );\n\n // Transaction always valid if signer is sender of transaction\n if (signerAddress != msg.sender) {\n // Validate signature\n require(\n isValidSignature(\n transactionHash,\n signerAddress,\n signature\n ),\n \"INVALID_TX_SIGNATURE\"\n );\n\n // Set the current transaction signer\n currentContextAddress = signerAddress;\n }\n\n // Execute transaction\n transactions[transactionHash] = true;\n require(\n address(this).delegatecall(data),\n \"FAILED_EXECUTION\"\n );\n\n // Reset current transaction signer if it was previously updated\n if (signerAddress != msg.sender) {\n currentContextAddress = address(0);\n }\n }\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;\n bytes32 dataHash = keccak256(data);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,\n // salt,\n // bytes32(signerAddress),\n // keccak256(data)\n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, schemaHash) // hash of schema\n mstore(add(memPtr, 32), salt) // salt\n mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff)) // signerAddress\n mstore(add(memPtr, 96), dataHash) // hash of data\n\n // Compute hash\n result := keccak256(memPtr, 128)\n }\n return result;\n }\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address)\n {\n address contextAddress = currentContextAddress == address(0) ? msg.sender : currentContextAddress;\n return contextAddress;\n }\n}\n", + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibAbiEncoder.sol\";\nimport \"./mixins/MExchangeCore.sol\";\n\n\ncontract MixinWrapperFunctions is\n LibMath,\n LibFillResults,\n LibAbiEncoder,\n MExchangeCore\n{\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n require(\n fillResults.takerAssetFilledAmount == takerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return fillResults;\n }\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n // Delegate to `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := delegatecall(\n gas, // forward all gas, TODO: look into gas consumption of assert/throw\n address, // call address of this contract\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n switch success\n case 0 {\n mstore(fillResults, 0)\n mstore(add(fillResults, 32), 0)\n mstore(add(fillResults, 64), 0)\n mstore(add(fillResults, 96), 0)\n }\n case 1 {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrder(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrKillOrder(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n \n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrder(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmount(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrder(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmount(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n cancelOrder(orders[i]);\n }\n }\n\n /// @dev Fetches information for all passed in orders.\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n LibOrder.OrderInfo[] memory ordersInfo = new LibOrder.OrderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n ordersInfo[i] = getOrderInfo(orders[i]);\n }\n return ordersInfo;\n }\n}\n", + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssetProxyDispatcher {\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external;\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./IExchangeCore.sol\";\nimport \"./IMatchOrders.sol\";\nimport \"./ISignatureValidator.sol\";\nimport \"./ITransactions.sol\";\nimport \"./IAssetProxyDispatcher.sol\";\nimport \"./IWrapperFunctions.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract IExchange is\n IExchangeCore,\n IMatchOrders,\n ISignatureValidator,\n ITransactions,\n IAssetProxyDispatcher,\n IWrapperFunctions\n{}\n", + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IExchangeCore {\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external;\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrder(LibOrder.Order memory order)\n public;\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(LibOrder.Order memory order)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IMatchOrders {\n\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ISignatureValidator {\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external;\n \n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external;\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address of signer.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\n\ncontract ITransactions {\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external;\n}\n", + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IValidator {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IWallet {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IWrapperFunctions {\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public;\n\n /// @dev Fetches information for all passed in orders\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory);\n}\n", + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./LibOrder.sol\";\n\n\ncontract LibAbiEncoder {\n\n /// @dev ABI encodes calldata for `fillOrder`.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return ABI encoded calldata for `fillOrder`.\n function abiEncodeFillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n pure\n returns (bytes memory fillOrderCalldata)\n {\n // We need to call MExchangeCore.fillOrder using a delegatecall in\n // assembly so that we can intercept a call that throws. For this, we\n // need the input encoded in memory in the Ethereum ABIv2 format [1].\n\n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0x00 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 0x00 | | 1. offset to order (*) |\n // | | 0x20 | | 2. takerAssetFillAmount |\n // | | 0x40 | | 3. offset to signature (*) |\n // | Data | | 12 * 32 | order: |\n // | | 0x000 | | 1. senderAddress |\n // | | 0x020 | | 2. makerAddress |\n // | | 0x040 | | 3. takerAddress |\n // | | 0x060 | | 4. feeRecipientAddress |\n // | | 0x080 | | 5. makerAssetAmount |\n // | | 0x0A0 | | 6. takerAssetAmount |\n // | | 0x0C0 | | 7. makerFeeAmount |\n // | | 0x0E0 | | 8. takerFeeAmount |\n // | | 0x100 | | 9. expirationTimeSeconds |\n // | | 0x120 | | 10. salt |\n // | | 0x140 | | 11. Offset to makerAssetData (*) |\n // | | 0x160 | | 12. Offset to takerAssetData (*) |\n // | | 0x180 | 32 | makerAssetData Length |\n // | | 0x1A0 | ** | makerAssetData Contents |\n // | | 0x1C0 | 32 | takerAssetData Length |\n // | | 0x1E0 | ** | takerAssetData Contents |\n // | | 0x200 | 32 | signature Length |\n // | | 0x220 | ** | signature Contents |\n\n // * Offsets are calculated from the beginning of the current area: Header, Params, Data:\n // An offset stored in the Params area is calculated from the beginning of the Params section.\n // An offset stored in the Data area is calculated from the beginning of the Data section.\n\n // ** The length of dynamic array contents are stored in the field immediately preceeding the contents.\n\n // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html\n\n assembly {\n\n // Areas below may use the following variables:\n // 1. Start -- Start of this area in memory\n // 2. End -- End of this area in memory. This value may\n // be precomputed (before writing contents),\n // or it may be computed as contents are written.\n // 3. Offset -- Current offset into area. If an area's End\n // is precomputed, this variable tracks the\n // offsets of contents as they are written.\n\n /////// Setup Header Area ///////\n // Load free memory pointer\n fillOrderCalldata := mload(0x40)\n // bytes4(keccak256(\"fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)\"))\n // = 0xb4be83d5\n // Leave 0x20 bytes to store the length\n mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000)\n let headerAreaEnd := add(fillOrderCalldata, 0x24)\n\n /////// Setup Params Area ///////\n // This area is preallocated and written to later.\n // This is because we need to fill in offsets that have not yet been calculated.\n let paramsAreaStart := headerAreaEnd\n let paramsAreaEnd := add(paramsAreaStart, 0x60)\n let paramsAreaOffset := paramsAreaStart\n\n /////// Setup Data Area ///////\n let dataAreaStart := paramsAreaEnd\n let dataAreaEnd := dataAreaStart\n\n // Offset from the source data we're reading from\n let sourceOffset := order\n // arrayLenBytes and arrayLenWords track the length of a dynamically-allocated bytes array.\n let arrayLenBytes := 0\n let arrayLenWords := 0\n\n /////// Write order Struct ///////\n // Write memory location of Order, relative to the start of the\n // parameter list, then increment the paramsAreaOffset respectively.\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n // Write values for each field in the order\n // It would be nice to use a loop, but we save on gas by writing\n // the stores sequentially.\n mstore(dataAreaEnd, mload(sourceOffset)) // makerAddress\n mstore(add(dataAreaEnd, 0x20), mload(add(sourceOffset, 0x20))) // takerAddress\n mstore(add(dataAreaEnd, 0x40), mload(add(sourceOffset, 0x40))) // feeRecipientAddress\n mstore(add(dataAreaEnd, 0x60), mload(add(sourceOffset, 0x60))) // senderAddress\n mstore(add(dataAreaEnd, 0x80), mload(add(sourceOffset, 0x80))) // makerAssetAmount\n mstore(add(dataAreaEnd, 0xA0), mload(add(sourceOffset, 0xA0))) // takerAssetAmount\n mstore(add(dataAreaEnd, 0xC0), mload(add(sourceOffset, 0xC0))) // makerFeeAmount\n mstore(add(dataAreaEnd, 0xE0), mload(add(sourceOffset, 0xE0))) // takerFeeAmount\n mstore(add(dataAreaEnd, 0x100), mload(add(sourceOffset, 0x100))) // expirationTimeSeconds\n mstore(add(dataAreaEnd, 0x120), mload(add(sourceOffset, 0x120))) // salt\n mstore(add(dataAreaEnd, 0x140), mload(add(sourceOffset, 0x140))) // Offset to makerAssetData\n mstore(add(dataAreaEnd, 0x160), mload(add(sourceOffset, 0x160))) // Offset to takerAssetData\n dataAreaEnd := add(dataAreaEnd, 0x180)\n sourceOffset := add(sourceOffset, 0x180)\n\n // Write offset to \n mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x140)) // makerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Write offset to \n mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x160)) // takerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n /////// Write takerAssetFillAmount ///////\n mstore(paramsAreaOffset, takerAssetFillAmount)\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n /////// Write signature ///////\n // Write offset to paramsArea\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n\n // Calculate length of signature\n sourceOffset := signature\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of signature\n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of signature\n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Set length of calldata\n mstore(fillOrderCalldata, sub(dataAreaEnd, add(fillOrderCalldata, 0x20)))\n\n // Increment free memory pointer\n mstore(0x40, dataAreaEnd)\n }\n\n return fillOrderCalldata;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\n// solhint-disable max-line-length\ncontract LibConstants {\n \n // Asset data for ZRX token. Used for fee transfers.\n // @TODO: Hardcode constant when we deploy. Currently \n // not constant to make testing easier.\n\n // The proxyId for ZRX_ASSET_DATA is bytes4(keccak256(\"ERC20Token(address)\")) = 0xf47261b0\n \n // Kovan ZRX address is 0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570.\n // The ABI encoded proxyId and address is 0xf47261b00000000000000000000000006ff6c0ff1d68b964901f986d4c9fa3ac68346570\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x6f\\xf6\\xc0\\xff\\x1d\\x68\\xb9\\x64\\x90\\x1f\\x98\\x6d\\x4c\\x9f\\xa3\\xac\\x68\\x34\\x65\\x70\";\n \n // Mainnet ZRX address is 0xe41d2489571d322189246dafa5ebde1f4699f498.\n // The ABI encoded proxyId and address is 0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xe4\\x1d\\x24\\x89\\x57\\x1d\\x32\\x21\\x89\\x24\\x6d\\xaf\\xa5\\xeb\\xde\\x1f\\x46\\x99\\xf4\\x98\";\n \n // solhint-disable-next-line var-name-mixedcase\n bytes public ZRX_ASSET_DATA;\n\n // @TODO: Remove when we deploy.\n constructor (bytes memory zrxAssetData)\n public\n {\n ZRX_ASSET_DATA = zrxAssetData;\n }\n}\n// solhint-enable max-line-length\n", + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract LibEIP712 {\n // EIP191 header for EIP712 prefix\n string constant internal EIP191_HEADER = \"\\x19\\x01\";\n\n // EIP712 Domain Name value\n string constant internal EIP712_DOMAIN_NAME = \"0x Protocol\";\n\n // EIP712 Domain Version value\n string constant internal EIP712_DOMAIN_VERSION = \"2\";\n\n // Hash of the EIP712 Domain Separator Schema\n bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"EIP712Domain(\",\n \"string name,\",\n \"string version,\",\n \"address verifyingContract\",\n \")\"\n ));\n\n // Hash of the EIP712 Domain Separator data\n // solhint-disable-next-line var-name-mixedcase\n bytes32 public EIP712_DOMAIN_HASH;\n\n constructor ()\n public\n {\n EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(\n EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,\n keccak256(bytes(EIP712_DOMAIN_NAME)),\n keccak256(bytes(EIP712_DOMAIN_VERSION)),\n bytes32(address(this))\n ));\n }\n\n /// @dev Calculates EIP712 encoding for a hash struct in this EIP712 Domain.\n /// @param hashStruct The EIP712 hash struct.\n /// @return EIP712 hash applied to this EIP712 Domain.\n function hashEIP712Message(bytes32 hashStruct)\n internal\n view\n returns (bytes32 result)\n {\n bytes32 eip712DomainHash = EIP712_DOMAIN_HASH;\n\n // Assembly for more efficient computing:\n // keccak256(abi.encodePacked(\n // EIP191_HEADER,\n // EIP712_DOMAIN_HASH,\n // hashStruct \n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, 0x1901000000000000000000000000000000000000000000000000000000000000) // EIP191 header\n mstore(add(memPtr, 2), eip712DomainHash) // EIP712 domain hash\n mstore(add(memPtr, 34), hashStruct) // Hash of struct\n\n // Compute hash\n result := keccak256(memPtr, 66)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity 0.4.24;\n\n\n/// @dev This contract documents the revert reasons used in the Exchange contract.\n/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons.\ncontract LibExchangeErrors {\n\n /// Order validation errors ///\n string constant ORDER_UNFILLABLE = \"ORDER_UNFILLABLE\"; // Order cannot be filled.\n string constant INVALID_MAKER = \"INVALID_MAKER\"; // Invalid makerAddress.\n string constant INVALID_TAKER = \"INVALID_TAKER\"; // Invalid takerAddress.\n string constant INVALID_SENDER = \"INVALID_SENDER\"; // Invalid `msg.sender`.\n string constant INVALID_ORDER_SIGNATURE = \"INVALID_ORDER_SIGNATURE\"; // Signature validation failed. \n \n /// fillOrder validation errors ///\n string constant INVALID_TAKER_AMOUNT = \"INVALID_TAKER_AMOUNT\"; // takerAssetFillAmount cannot equal 0.\n string constant ROUNDING_ERROR = \"ROUNDING_ERROR\"; // Rounding error greater than 0.1% of takerAssetFillAmount. \n \n /// Signature validation errors ///\n string constant INVALID_SIGNATURE = \"INVALID_SIGNATURE\"; // Signature validation failed. \n string constant SIGNATURE_ILLEGAL = \"SIGNATURE_ILLEGAL\"; // Signature type is illegal.\n string constant SIGNATURE_UNSUPPORTED = \"SIGNATURE_UNSUPPORTED\"; // Signature type unsupported.\n \n /// cancelOrdersUptTo errors ///\n string constant INVALID_NEW_ORDER_EPOCH = \"INVALID_NEW_ORDER_EPOCH\"; // Specified salt must be greater than or equal to existing orderEpoch.\n\n /// fillOrKillOrder errors ///\n string constant COMPLETE_FILL_FAILED = \"COMPLETE_FILL_FAILED\"; // Desired takerAssetFillAmount could not be completely filled. \n\n /// matchOrders errors ///\n string constant NEGATIVE_SPREAD_REQUIRED = \"NEGATIVE_SPREAD_REQUIRED\"; // Matched orders must have a negative spread.\n\n /// Transaction errors ///\n string constant REENTRANCY_ILLEGAL = \"REENTRANCY_ILLEGAL\"; // Recursive reentrancy is not allowed. \n string constant INVALID_TX_HASH = \"INVALID_TX_HASH\"; // Transaction has already been executed. \n string constant INVALID_TX_SIGNATURE = \"INVALID_TX_SIGNATURE\"; // Signature validation failed. \n string constant FAILED_EXECUTION = \"FAILED_EXECUTION\"; // Transaction execution failed. \n \n /// registerAssetProxy errors ///\n string constant ASSET_PROXY_ALREADY_EXISTS = \"ASSET_PROXY_ALREADY_EXISTS\"; // AssetProxy with same id already exists.\n\n /// dispatchTransferFrom errors ///\n string constant ASSET_PROXY_DOES_NOT_EXIST = \"ASSET_PROXY_DOES_NOT_EXIST\"; // No assetProxy registered at given id.\n string constant TRANSFER_FAILED = \"TRANSFER_FAILED\"; // Asset transfer unsuccesful.\n\n /// Length validation errors ///\n string constant LENGTH_GREATER_THAN_0_REQUIRED = \"LENGTH_GREATER_THAN_0_REQUIRED\"; // Byte array must have a length greater than 0.\n string constant LENGTH_GREATER_THAN_3_REQUIRED = \"LENGTH_GREATER_THAN_3_REQUIRED\"; // Byte array must have a length greater than 3.\n string constant LENGTH_0_REQUIRED = \"LENGTH_0_REQUIRED\"; // Byte array must have a length of 0.\n string constant LENGTH_65_REQUIRED = \"LENGTH_65_REQUIRED\"; // Byte array must have a length of 65.\n}\n", + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibFillResults is\n SafeMath\n{\n\n struct FillResults {\n uint256 makerAssetFilledAmount; // Total amount of makerAsset(s) filled.\n uint256 takerAssetFilledAmount; // Total amount of takerAsset(s) filled.\n uint256 makerFeePaid; // Total amount of ZRX paid by maker(s) to feeRecipient(s).\n uint256 takerFeePaid; // Total amount of ZRX paid by taker to feeRecipients(s).\n }\n\n struct MatchedFillResults {\n FillResults left; // Amounts filled and fees paid of left order.\n FillResults right; // Amounts filled and fees paid of right order.\n uint256 leftMakerAssetSpreadAmount; // Spread between price of left and right order, denominated in the left order's makerAsset, paid to taker.\n }\n\n /// @dev Adds properties of both FillResults instances.\n /// Modifies the first FillResults instance specified.\n /// @param totalFillResults Fill results instance that will be added onto.\n /// @param singleFillResults Fill results instance that will be added to totalFillResults.\n function addFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)\n internal\n pure\n {\n totalFillResults.makerAssetFilledAmount = safeAdd(totalFillResults.makerAssetFilledAmount, singleFillResults.makerAssetFilledAmount);\n totalFillResults.takerAssetFilledAmount = safeAdd(totalFillResults.takerAssetFilledAmount, singleFillResults.takerAssetFilledAmount);\n totalFillResults.makerFeePaid = safeAdd(totalFillResults.makerFeePaid, singleFillResults.makerFeePaid);\n totalFillResults.takerFeePaid = safeAdd(totalFillResults.takerFeePaid, singleFillResults.takerFeePaid);\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibMath.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibMath is\n SafeMath\n{\n\n /// @dev Calculates partial value given a numerator and denominator.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target.\n function getPartialAmount(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Checks if rounding error > 0.1%.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingError(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n uint256 remainder = mulmod(target, numerator, denominator);\n if (remainder == 0) {\n return false; // No rounding error.\n }\n\n uint256 errPercentageTimes1000000 = safeDiv(\n safeMul(remainder, 1000000),\n safeMul(numerator, target)\n );\n isError = errPercentageTimes1000000 > 1000;\n return isError;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibOrder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./LibEIP712.sol\";\n\n\ncontract LibOrder is\n LibEIP712\n{\n\n // Hash for the EIP712 Order Schema\n bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"Order(\",\n \"address makerAddress,\",\n \"address takerAddress,\",\n \"address feeRecipientAddress,\",\n \"address senderAddress,\",\n \"uint256 makerAssetAmount,\",\n \"uint256 takerAssetAmount,\",\n \"uint256 makerFee,\",\n \"uint256 takerFee,\",\n \"uint256 expirationTimeSeconds,\",\n \"uint256 salt,\",\n \"bytes makerAssetData,\",\n \"bytes takerAssetData\",\n \")\"\n ));\n\n // A valid order remains fillable until it is expired, fully filled, or cancelled.\n // An order's state is unaffected by external factors, like account balances.\n enum OrderStatus {\n INVALID, // Default value\n INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount\n INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount\n FILLABLE, // Order is fillable\n EXPIRED, // Order has already expired\n FULLY_FILLED, // Order is fully filled\n CANCELLED // Order has been cancelled\n }\n\n // solhint-disable max-line-length\n struct Order {\n address makerAddress; // Address that created the order. \n address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order. \n address feeRecipientAddress; // Address that will recieve fees when order is filled. \n address senderAddress; // Address that is allowed to call Exchange contract methods that affect this order. If set to 0, any address is allowed to call these methods.\n uint256 makerAssetAmount; // Amount of makerAsset being offered by maker. Must be greater than 0. \n uint256 takerAssetAmount; // Amount of takerAsset being bid on by maker. Must be greater than 0. \n uint256 makerFee; // Amount of ZRX paid to feeRecipient by maker when order is filled. If set to 0, no transfer of ZRX from maker to feeRecipient will be attempted.\n uint256 takerFee; // Amount of ZRX paid to feeRecipient by taker when order is filled. If set to 0, no transfer of ZRX from taker to feeRecipient will be attempted.\n uint256 expirationTimeSeconds; // Timestamp in seconds at which order expires. \n uint256 salt; // Arbitrary number to facilitate uniqueness of the order's hash. \n bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.\n bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.\n }\n // solhint-enable max-line-length\n\n struct OrderInfo {\n uint8 orderStatus; // Status that describes order's validity and fillability.\n bytes32 orderHash; // EIP712 hash of the order (see LibOrder.getOrderHash).\n uint256 orderTakerAssetFilledAmount; // Amount of order that has already been filled.\n }\n\n /// @dev Calculates Keccak-256 hash of the order.\n /// @param order The order structure.\n /// @return Keccak-256 EIP712 hash of the order.\n function getOrderHash(Order memory order)\n internal\n view\n returns (bytes32 orderHash)\n {\n orderHash = hashEIP712Message(hashOrder(order));\n return orderHash;\n }\n\n /// @dev Calculates EIP712 hash of the order.\n /// @param order The order structure.\n /// @return EIP712 hash of the order.\n function hashOrder(Order memory order)\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ORDER_SCHEMA_HASH;\n bytes32 makerAssetDataHash = keccak256(order.makerAssetData);\n bytes32 takerAssetDataHash = keccak256(order.takerAssetData);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ORDER_SCHEMA_HASH,\n // bytes32(order.makerAddress),\n // bytes32(order.takerAddress),\n // bytes32(order.feeRecipientAddress),\n // bytes32(order.senderAddress),\n // order.makerAssetAmount,\n // order.takerAssetAmount,\n // order.makerFee,\n // order.takerFee,\n // order.expirationTimeSeconds,\n // order.salt,\n // keccak256(order.makerAssetData),\n // keccak256(order.takerAssetData)\n // ));\n\n assembly {\n // Calculate memory addresses that will be swapped out before hashing\n let pos1 := sub(order, 32)\n let pos2 := add(order, 320)\n let pos3 := add(order, 352)\n\n // Backup\n let temp1 := mload(pos1)\n let temp2 := mload(pos2)\n let temp3 := mload(pos3)\n \n // Hash in place\n mstore(pos1, schemaHash)\n mstore(pos2, makerAssetDataHash)\n mstore(pos3, takerAssetDataHash)\n result := keccak256(pos1, 416)\n \n // Restore\n mstore(pos1, temp1)\n mstore(pos2, temp2)\n mstore(pos3, temp3)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssetProxyDispatcher.sol\";\n\n\ncontract MAssetProxyDispatcher is\n IAssetProxyDispatcher\n{\n\n // Logs registration of new asset proxy\n event AssetProxyRegistered(\n bytes4 id, // Id of new registered AssetProxy.\n address assetProxy // Address of new registered AssetProxy.\n );\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IExchangeCore.sol\";\n\n\ncontract MExchangeCore is\n IExchangeCore\n{\n // Fill event is emitted whenever an order is filled.\n event Fill(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that received fees.\n address takerAddress, // Address that filled the order.\n address senderAddress, // Address that called the Exchange contract (msg.sender).\n uint256 makerAssetFilledAmount, // Amount of makerAsset sold by maker and bought by taker. \n uint256 takerAssetFilledAmount, // Amount of takerAsset sold by taker and bought by maker.\n uint256 makerFeePaid, // Amount of ZRX paid to feeRecipient by maker.\n uint256 takerFeePaid, // Amount of ZRX paid to feeRecipient by taker.\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // Cancel event is emitted whenever an individual order is cancelled.\n event Cancel(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that would have recieved fees if order was filled. \n address senderAddress, // Address that called the Exchange contract (msg.sender).\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // CancelUpTo event is emitted whenever `cancelOrdersUpTo` is executed succesfully.\n event CancelUpTo(\n address indexed makerAddress, // Orders cancelled must have been created by this address.\n address indexed senderAddress, // Orders cancelled must have a `senderAddress` equal to this address.\n uint256 orderEpoch // Orders with specified makerAddress and senderAddress with a salt less than this value are considered cancelled.\n );\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function updateFilledState(\n LibOrder.Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n LibFillResults.FillResults memory fillResults\n )\n internal;\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n LibOrder.Order memory order,\n bytes32 orderHash\n )\n internal;\n\n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo Status, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param signature Proof that the orders was created by its maker.\n function assertValidFill(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n address takerAddress,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n bytes memory signature\n )\n internal\n view;\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo\n )\n internal\n view;\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n LibOrder.Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.FillResults memory fillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IMatchOrders.sol\";\n\n\ncontract MMatchOrders is\n IMatchOrders\n{\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure;\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/ISignatureValidator.sol\";\n\n\ncontract MSignatureValidator is\n ISignatureValidator\n{\n event SignatureValidatorApproval(\n address indexed signerAddress, // Address that approves or disapproves a contract to verify signatures.\n address indexed validatorAddress, // Address of signature validator contract.\n bool approved // Approval or disapproval of validator contract.\n );\n\n // Allowed signature types.\n enum SignatureType {\n Illegal, // 0x00, default value\n Invalid, // 0x01\n EIP712, // 0x02\n EthSign, // 0x03\n Caller, // 0x04\n Wallet, // 0x05\n Validator, // 0x06\n PreSigned, // 0x07\n Trezor, // 0x08\n NSignatureTypes // 0x09, number of signature types. Always leave at end.\n }\n}\n", + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"../interfaces/ITransactions.sol\";\n\n\ncontract MTransactions is\n ITransactions\n{\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address);\n}\n", + "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/MintableERC20Token.sol\";\n\n\ncontract DummyERC20Token is \n Ownable,\n MintableERC20Token\n{\n string public name;\n string public symbol;\n uint256 public decimals;\n uint256 public constant MAX_MINT_AMOUNT = 10000000000000000000000;\n\n constructor (\n string _name,\n string _symbol,\n uint256 _decimals,\n uint256 _totalSupply\n )\n public\n {\n name = _name;\n symbol = _symbol;\n decimals = _decimals;\n _totalSupply = _totalSupply;\n balances[msg.sender] = _totalSupply;\n }\n\n /// @dev Sets the balance of target address\n /// @param _target Address or which balance will be updated\n /// @param _value New balance of target address\n function setBalance(address _target, uint256 _value)\n external\n onlyOwner\n {\n uint256 currBalance = balances[_target];\n if (_value < currBalance) {\n _totalSupply = safeSub(_totalSupply, safeSub(currBalance, _value));\n } else {\n _totalSupply = safeAdd(_totalSupply, safeSub(_value, currBalance));\n }\n balances[_target] = _value;\n }\n\n /// @dev Mints new tokens for sender\n /// @param _value Amount of tokens to mint\n function mint(uint256 _value)\n external\n {\n require(\n _value <= MAX_MINT_AMOUNT,\n \"VALUE_TOO_LARGE\"\n );\n\n _mint(msg.sender, _value);\n }\n}\n", + "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../tokens/ERC721Token/MintableERC721Token.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract DummyERC721Token is\n Ownable,\n MintableERC721Token\n{\n string public name;\n string public symbol;\n\n constructor (\n string _name,\n string _symbol\n )\n public\n {\n name = _name;\n symbol = _symbol;\n }\n\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function mint(address _to, uint256 _tokenId)\n external\n {\n _mint(_to, _tokenId);\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist or not called by contract owner\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function burn(address _owner, uint256 _tokenId)\n external\n onlyOwner\n {\n _burn(_owner, _tokenId);\n }\n}\n", + "2.0.0/tokens/ERC20Token/ERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC20Token.sol\";\n\n\ncontract ERC20Token is\n IERC20Token\n{\n\n mapping (address => uint256) internal balances;\n mapping (address => mapping (address => uint256)) internal allowed;\n\n uint256 internal _totalSupply;\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool)\n {\n require(\n balances[msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[msg.sender] -= _value;\n balances[_to] += _value;\n\n emit Transfer(\n msg.sender,\n _to,\n _value\n );\n\n return true;\n }\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowed[_from][msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n allowed[_from][msg.sender] -= _value;\n \n emit Transfer(\n _from,\n _to,\n _value\n );\n \n return true;\n }\n\n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool)\n {\n allowed[msg.sender][_spender] = _value;\n emit Approval(\n msg.sender,\n _spender,\n _value\n );\n return true;\n }\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256)\n {\n return _totalSupply;\n }\n\n /// @dev Query the balance of owner\n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n return balances[_owner];\n }\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256)\n {\n return allowed[_owner][_spender];\n }\n}\n", + "2.0.0/tokens/ERC20Token/IERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n \n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n \n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", + "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/SafeMath/SafeMath.sol\";\nimport \"./UnlimitedAllowanceERC20Token.sol\";\n\n\ncontract MintableERC20Token is \n SafeMath,\n UnlimitedAllowanceERC20Token\n{\n\n /// @dev Mints new tokens\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _value Amount of tokens to mint\n function _mint(address _to, uint256 _value)\n internal\n {\n balances[_to] = safeAdd(_value, balances[_to]);\n _totalSupply = safeAdd(_totalSupply, _value);\n\n emit Transfer(\n address(0),\n _to,\n _value\n );\n }\n\n /// @dev Mints new tokens\n /// @param _owner Owner of tokens that will be burned\n /// @param _value Amount of tokens to burn\n function _burn(address _owner, uint256 _value)\n internal\n {\n balances[_owner] = safeSub(balances[_owner], _value);\n _totalSupply = safeSub(_totalSupply, _value);\n\n emit Transfer(\n _owner,\n address(0),\n _value\n );\n }\n}\n", + "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/ERC20Token.sol\";\n\n\ncontract UnlimitedAllowanceERC20Token is\n ERC20Token\n{\n\n uint256 constant internal MAX_UINT = 2**256 - 1;\n\n /// @dev ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited allowance. See https://github.com/ethereum/EIPs/issues/717\n /// @param _from Address to transfer from.\n /// @param _to Address to transfer to.\n /// @param _value Amount to transfer.\n /// @return Success of transfer.\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n uint256 allowance = allowed[_from][msg.sender];\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowance >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n if (allowance < MAX_UINT) {\n allowed[_from][msg.sender] -= _value;\n }\n\n emit Transfer(\n _from,\n _to,\n _value\n );\n\n return true;\n }\n}\n", + "2.0.0/tokens/ERC721Token/ERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC721Token.sol\";\nimport \"./IERC721Receiver.sol\";\nimport \"../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract ERC721Token is\n IERC721Token,\n SafeMath\n{\n // Function selector for ERC721Receiver.onERC721Received\n // 0x150b7a02\n bytes4 constant internal ERC721_RECEIVED = bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"));\n\n // Mapping of tokenId => owner\n mapping (uint256 => address) internal owners;\n\n // Mapping of tokenId => approved address\n mapping (uint256 => address) internal approvals;\n\n // Mapping of owner => number of tokens owned\n mapping (address => uint256) internal balances;\n\n // Mapping of owner => operator => approved\n mapping (address => mapping (address => bool)) internal operatorApprovals;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n _data\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n \"\"\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external\n {\n address owner = ownerOf(_tokenId);\n require(\n msg.sender == owner || isApprovedForAll(owner, msg.sender),\n \"ERC721_INVALID_SENDER\"\n );\n\n approvals[_tokenId] = _approved;\n emit Approval(\n owner,\n _approved,\n _tokenId\n );\n }\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external\n {\n operatorApprovals[msg.sender][_operator] = _approved;\n emit ApprovalForAll(\n msg.sender,\n _operator,\n _approved\n );\n }\n \n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return balances[_owner];\n }\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = ownerOf(_tokenId);\n require(\n _from == owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n address spender = msg.sender;\n address approvedAddress = getApproved(_tokenId);\n require(\n spender == owner ||\n isApprovedForAll(owner, spender) ||\n approvedAddress == spender,\n \"ERC721_INVALID_SPENDER\"\n );\n\n if (approvedAddress != address(0)) {\n approvals[_tokenId] = address(0);\n }\n\n owners[_tokenId] = _to;\n balances[_from] = safeSub(balances[_from], 1);\n balances[_to] = safeAdd(balances[_to], 1);\n \n emit Transfer(\n _from,\n _to,\n _tokenId\n );\n }\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address)\n {\n address owner = owners[_tokenId];\n require(\n owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return owner;\n }\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId)\n public\n view\n returns (address)\n {\n return approvals[_tokenId];\n }\n\n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool)\n {\n return operatorApprovals[_owner][_operator];\n }\n}\n", + "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Receiver {\n\n /// @notice Handle the receipt of an NFT\n /// @dev The ERC721 smart contract calls this function on the recipient\n /// after a `transfer`. This function MAY throw to revert and reject the\n /// transfer. Return of other than the magic value MUST result in the\n /// transaction being reverted.\n /// Note: the contract address is always the message sender.\n /// @param _operator The address which called `safeTransferFrom` function\n /// @param _from The address which previously owned the token\n /// @param _tokenId The NFT identifier which is being transferred\n /// @param _data Additional data with no specified format\n /// @return `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`\n /// unless throwing\n function onERC721Received(\n address _operator,\n address _from,\n uint256 _tokenId,\n bytes _data\n )\n external\n returns (bytes4);\n}\n", + "2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Token {\n\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(\n address indexed _owner,\n address indexed _approved,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(\n address indexed _owner,\n address indexed _operator,\n bool _approved\n );\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// perator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external;\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public;\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address);\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) \n public\n view\n returns (address);\n \n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool);\n}\n", + "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./ERC721Token.sol\";\n\n\ncontract MintableERC721Token is\n ERC721Token\n{\n\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function _mint(address _to, uint256 _tokenId)\n internal\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == address(0),\n \"ERC721_OWNER_ALREADY_EXISTS\"\n );\n\n owners[_tokenId] = _to;\n balances[_to] = safeAdd(balances[_to], 1);\n\n emit Transfer(\n address(0),\n _to,\n _tokenId\n );\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function _burn(address _owner, uint256 _tokenId)\n internal\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == _owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n owners[_tokenId] = address(0);\n balances[_owner] = safeSub(balances[_owner], 1);\n\n emit Transfer(\n _owner,\n address(0),\n _tokenId\n );\n }\n}\n", + "2.0.0/tokens/EtherToken/IEtherToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/IERC20Token.sol\";\n\n\ncontract IEtherToken is\n IERC20Token\n{\n function deposit()\n public\n payable;\n \n function withdraw(uint256 amount)\n public;\n}\n", + "2.0.0/utils/LibBytes/LibBytes.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\nlibrary LibBytes {\n\n using LibBytes for bytes;\n\n /// @dev Gets the memory address for a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of byte array. This\n /// points to the header of the byte array which contains\n /// the length.\n function rawAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := input\n }\n return memoryAddress;\n }\n \n /// @dev Gets the memory address for the contents of a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of the contents of the byte array.\n function contentAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := add(input, 32)\n }\n return memoryAddress;\n }\n\n /// @dev Copies `length` bytes from memory location `source` to `dest`.\n /// @param dest memory address to copy bytes to.\n /// @param source memory address to copy bytes from.\n /// @param length number of bytes to copy.\n function memCopy(\n uint256 dest,\n uint256 source,\n uint256 length\n )\n internal\n pure\n {\n if (length < 32) {\n // Handle a partial word by reading destination and masking\n // off the bits we are interested in.\n // This correctly handles overlap, zero lengths and source == dest\n assembly {\n let mask := sub(exp(256, sub(32, length)), 1)\n let s := and(mload(source), not(mask))\n let d := and(mload(dest), mask)\n mstore(dest, or(s, d))\n }\n } else {\n // Skip the O(length) loop when source == dest.\n if (source == dest) {\n return;\n }\n\n // For large copies we copy whole words at a time. The final\n // word is aligned to the end of the range (instead of after the\n // previous) to handle partial words. So a copy will look like this:\n //\n // ####\n // ####\n // ####\n // ####\n //\n // We handle overlap in the source and destination range by\n // changing the copying direction. This prevents us from\n // overwriting parts of source that we still need to copy.\n //\n // This correctly handles source == dest\n //\n if (source > dest) {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because it\n // is easier to compare with in the loop, and these\n // are also the addresses we need for copying the\n // last bytes.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the last 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the last bytes in\n // source already due to overlap.\n let last := mload(sEnd)\n\n // Copy whole words front to back\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} lt(source, sEnd) {} {\n mstore(dest, mload(source))\n source := add(source, 32)\n dest := add(dest, 32)\n }\n \n // Write the last 32 bytes\n mstore(dEnd, last)\n }\n } else {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because those\n // are the starting points when copying a word at the end.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the first 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the first bytes in\n // source already due to overlap.\n let first := mload(source)\n\n // Copy whole words back to front\n // We use a signed comparisson here to allow dEnd to become\n // negative (happens when source and dest < 32). Valid\n // addresses in local memory will never be larger than\n // 2**255, so they can be safely re-interpreted as signed.\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} slt(dest, dEnd) {} {\n mstore(dEnd, mload(sEnd))\n sEnd := sub(sEnd, 32)\n dEnd := sub(dEnd, 32)\n }\n \n // Write the first 32 bytes\n mstore(dest, first)\n }\n }\n }\n }\n\n /// @dev Returns a slices from a byte array.\n /// @param b The byte array to take a slice from.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n function slice(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure and copy contents\n result = new bytes(to - from);\n memCopy(\n result.contentAddress(),\n b.contentAddress() + from,\n result.length);\n return result;\n }\n \n /// @dev Returns a slice from a byte array without preserving the input.\n /// @param b The byte array to take a slice from. Will be destroyed in the process.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n /// @dev When `from == 0`, the original array will match the slice. In other cases its state will be corrupted.\n function sliceDestructive(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure around [from, to) in-place.\n assembly {\n result := add(b, from)\n mstore(result, sub(to, from))\n }\n return result;\n }\n\n /// @dev Pops the last byte off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The byte that was popped off.\n function popLastByte(bytes memory b)\n internal\n pure\n returns (bytes1 result)\n {\n require(\n b.length > 0,\n \"GREATER_THAN_ZERO_LENGTH_REQUIRED\"\n );\n\n // Store last byte.\n result = b[b.length - 1];\n\n assembly {\n // Decrement length of byte array.\n let newLen := sub(mload(b), 1)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Pops the last 20 bytes off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The 20 byte address that was popped off.\n function popLast20Bytes(bytes memory b)\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= 20,\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Store last 20 bytes.\n result = readAddress(b, b.length - 20);\n\n assembly {\n // Subtract 20 from byte array length.\n let newLen := sub(mload(b), 20)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Tests equality of two byte arrays.\n /// @param lhs First byte array to compare.\n /// @param rhs Second byte array to compare.\n /// @return True if arrays are the same. False otherwise.\n function equals(\n bytes memory lhs,\n bytes memory rhs\n )\n internal\n pure\n returns (bool equal)\n {\n // Keccak gas cost is 30 + numWords * 6. This is a cheap way to compare.\n // We early exit on unequal lengths, but keccak would also correctly\n // handle this.\n return lhs.length == rhs.length && keccak256(lhs) == keccak256(rhs);\n }\n\n /// @dev Reads an address from a position in a byte array.\n /// @param b Byte array containing an address.\n /// @param index Index in byte array of address.\n /// @return address from byte array.\n function readAddress(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Read address from array memory\n assembly {\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 20-byte mask to obtain address\n result := and(mload(add(b, index)), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n return result;\n }\n\n /// @dev Writes an address into a specific position in a byte array.\n /// @param b Byte array to insert address into.\n /// @param index Index in byte array of address.\n /// @param input Address to put into byte array.\n function writeAddress(\n bytes memory b,\n uint256 index,\n address input\n )\n internal\n pure\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Store address into array memory\n assembly {\n // The address occupies 20 bytes and mstore stores 32 bytes.\n // First fetch the 32-byte word where we'll be storing the address, then\n // apply a mask so we have only the bytes in the word that the address will not occupy.\n // Then combine these bytes with the address and store the 32 bytes back to memory with mstore.\n\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 12-byte mask to obtain extra bytes occupying word of memory where we'll store the address\n let neighbors := and(\n mload(add(b, index)),\n 0xffffffffffffffffffffffff0000000000000000000000000000000000000000\n )\n \n // Make sure input address is clean.\n // (Solidity does not guarantee this)\n input := and(input, 0xffffffffffffffffffffffffffffffffffffffff)\n\n // Store the neighbors and address into memory\n mstore(add(b, index), xor(input, neighbors))\n }\n }\n\n /// @dev Reads a bytes32 value from a position in a byte array.\n /// @param b Byte array containing a bytes32 value.\n /// @param index Index in byte array of bytes32 value.\n /// @return bytes32 value from byte array.\n function readBytes32(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes32 result)\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n result := mload(add(b, index))\n }\n return result;\n }\n\n /// @dev Writes a bytes32 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes32 to put into byte array.\n function writeBytes32(\n bytes memory b,\n uint256 index,\n bytes32 input\n )\n internal\n pure\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n mstore(add(b, index), input)\n }\n }\n\n /// @dev Reads a uint256 value from a position in a byte array.\n /// @param b Byte array containing a uint256 value.\n /// @param index Index in byte array of uint256 value.\n /// @return uint256 value from byte array.\n function readUint256(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (uint256 result)\n {\n return uint256(readBytes32(b, index));\n }\n\n /// @dev Writes a uint256 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input uint256 to put into byte array.\n function writeUint256(\n bytes memory b,\n uint256 index,\n uint256 input\n )\n internal\n pure\n {\n writeBytes32(b, index, bytes32(input));\n }\n\n /// @dev Reads an unpadded bytes4 value from a position in a byte array.\n /// @param b Byte array containing a bytes4 value.\n /// @param index Index in byte array of bytes4 value.\n /// @return bytes4 value from byte array.\n function readBytes4(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes4 result)\n {\n require(\n b.length >= index + 4,\n \"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED\"\n );\n assembly {\n result := mload(add(b, 32))\n // Solidity does not require us to clean the trailing bytes.\n // We do it anyway\n result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)\n }\n return result;\n }\n\n /// @dev Reads nested bytes from a specific position.\n /// @dev NOTE: the returned value overlaps with the input value.\n /// Both should be treated as immutable.\n /// @param b Byte array containing nested bytes.\n /// @param index Index of nested bytes.\n /// @return result Nested bytes.\n function readBytesWithLength(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes memory result)\n {\n // Read length of nested bytes\n uint256 nestedBytesLength = readUint256(b, index);\n index += 32;\n\n // Assert length of is valid, given\n // length of nested bytes\n require(\n b.length >= index + nestedBytesLength,\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n \n // Return a pointer to the byte array as it exists inside `b`\n assembly {\n result := add(b, index)\n }\n return result;\n }\n\n /// @dev Inserts bytes at a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes to insert.\n function writeBytesWithLength(\n bytes memory b,\n uint256 index,\n bytes memory input\n )\n internal\n pure\n {\n // Assert length of is valid, given\n // length of input\n require(\n b.length >= index + 32 + input.length, // 32 bytes to store length\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n\n // Copy into \n memCopy(\n b.contentAddress() + index,\n input.rawAddress(), // includes length of \n input.length + 32 // +32 bytes to store length\n );\n }\n\n /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length.\n /// @param dest Byte array that will be overwritten with source bytes.\n /// @param source Byte array to copy onto dest bytes.\n function deepCopyBytes(\n bytes memory dest,\n bytes memory source\n )\n internal\n pure\n {\n uint256 sourceLen = source.length;\n // Dest length must be >= source length, or some bytes would not be copied.\n require(\n dest.length >= sourceLen,\n \"GREATER_OR_EQUAL_TO_SOURCE_BYTES_LENGTH_REQUIRED\"\n );\n memCopy(\n dest.contentAddress(),\n source.contentAddress(),\n sourceLen\n );\n }\n}\n", + "2.0.0/utils/Ownable/IOwnable.sol": "pragma solidity 0.4.24;\n\n/*\n * Ownable\n *\n * Base contract with an owner.\n * Provides onlyOwner modifier, which prevents function from running if it is called by anyone other than the owner.\n */\n\ncontract IOwnable {\n function transferOwnership(address newOwner)\n public;\n}\n", + "2.0.0/utils/Ownable/Ownable.sol": "pragma solidity 0.4.24;\n\n/*\n * Ownable\n *\n * Base contract with an owner.\n * Provides onlyOwner modifier, which prevents function from running if it is called by anyone other than the owner.\n */\n\nimport \"./IOwnable.sol\";\n\n\ncontract Ownable is IOwnable {\n address public owner;\n\n constructor ()\n public\n {\n owner = msg.sender;\n }\n\n modifier onlyOwner() {\n require(\n msg.sender == owner,\n \"ONLY_CONTRACT_OWNER\"\n );\n _;\n }\n\n function transferOwnership(address newOwner)\n public\n onlyOwner\n {\n if (newOwner != address(0)) {\n owner = newOwner;\n }\n }\n}\n", + "2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n function safeMul(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(\n c / a == b,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function safeDiv(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a / b;\n return c;\n }\n\n function safeSub(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n require(\n b <= a,\n \"UINT256_UNDERFLOW\"\n );\n return a - b;\n }\n\n function safeAdd(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a + b;\n require(\n c >= a,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function max64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n\n function max256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n}\n" + }, + "sourceTreeHashHex": "0x560b257f8a4e1420a4586d5ba0c40e74042ef5af0f53aad412951444ea710a7e", + "compiler": { + "name": "solc", + "version": "soljson-v0.4.24+commit.e67f0147.js", + "settings": { + "optimizer": { + "enabled": true, + "runs": 1000000 + }, + "outputSelection": { + "*": { + "*": [ + "abi", + "evm.bytecode.object", + "evm.bytecode.sourceMap", + "evm.deployedBytecode.object", + "evm.deployedBytecode.sourceMap" + ] + } + } + } + }, + "networks": {} +} \ No newline at end of file diff --git a/packages/migrations/artifacts/2.0.0-testnet/IWallet.json b/packages/migrations/artifacts/2.0.0-testnet/IWallet.json new file mode 100644 index 000000000..df892d360 --- /dev/null +++ b/packages/migrations/artifacts/2.0.0-testnet/IWallet.json @@ -0,0 +1,316 @@ +{ + "schemaVersion": "2.0.0", + "contractName": "IWallet", + "compilerOutput": { + "abi": [ + { + "constant": true, + "inputs": [ + { + "name": "hash", + "type": "bytes32" + }, + { + "name": "signature", + "type": "bytes" + } + ], + "name": "isValidSignature", + "outputs": [ + { + "name": "isValid", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + } + ], + "evm": { + "bytecode": { + "linkReferences": {}, + "object": "0x", + "opcodes": "", + "sourceMap": "" + }, + "deployedBytecode": { + "linkReferences": {}, + "object": "0x", + "opcodes": "", + "sourceMap": "" + } + } + }, + "sources": { + "2.0.0/extensions/Forwarder/Forwarder.sol": { + "id": 0 + }, + "2.0.0/extensions/Forwarder/MixinAssets.sol": { + "id": 1 + }, + "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": { + "id": 2 + }, + "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": { + "id": 3 + }, + "2.0.0/extensions/Forwarder/MixinWeth.sol": { + "id": 4 + }, + "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": { + "id": 5 + }, + "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": { + "id": 6 + }, + "2.0.0/extensions/Forwarder/libs/LibConstants.sol": { + "id": 7 + }, + "2.0.0/extensions/Forwarder/mixins/MAssets.sol": { + "id": 8 + }, + "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": { + "id": 9 + }, + "2.0.0/extensions/Forwarder/mixins/MWeth.sol": { + "id": 10 + }, + "2.0.0/extensions/OrderValidator/OrderValidator.sol": { + "id": 11 + }, + "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": { + "id": 12 + }, + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": { + "id": 13 + }, + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": { + "id": 14 + }, + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": { + "id": 15 + }, + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": { + "id": 16 + }, + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": { + "id": 17 + }, + "2.0.0/protocol/Exchange/Exchange.sol": { + "id": 18 + }, + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": { + "id": 19 + }, + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": { + "id": 20 + }, + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": { + "id": 21 + }, + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": { + "id": 22 + }, + "2.0.0/protocol/Exchange/MixinTransactions.sol": { + "id": 23 + }, + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": { + "id": 24 + }, + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": { + "id": 25 + }, + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": { + "id": 26 + }, + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": { + "id": 27 + }, + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": { + "id": 28 + }, + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": { + "id": 29 + }, + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": { + "id": 30 + }, + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": { + "id": 31 + }, + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": { + "id": 32 + }, + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": { + "id": 33 + }, + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": { + "id": 34 + }, + "2.0.0/protocol/Exchange/libs/LibConstants.sol": { + "id": 35 + }, + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": { + "id": 36 + }, + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": { + "id": 37 + }, + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": { + "id": 38 + }, + "2.0.0/protocol/Exchange/libs/LibMath.sol": { + "id": 39 + }, + "2.0.0/protocol/Exchange/libs/LibOrder.sol": { + "id": 40 + }, + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": { + "id": 41 + }, + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": { + "id": 42 + }, + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": { + "id": 43 + }, + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": { + "id": 44 + }, + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": { + "id": 45 + }, + "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": { + "id": 46 + }, + "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": { + "id": 47 + }, + "2.0.0/tokens/ERC20Token/ERC20Token.sol": { + "id": 48 + }, + "2.0.0/tokens/ERC20Token/IERC20Token.sol": { + "id": 49 + }, + "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": { + "id": 50 + }, + "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": { + "id": 51 + }, + "2.0.0/tokens/ERC721Token/ERC721Token.sol": { + "id": 52 + }, + "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": { + "id": 53 + }, + "2.0.0/tokens/ERC721Token/IERC721Token.sol": { + "id": 54 + }, + "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": { + "id": 55 + }, + "2.0.0/tokens/EtherToken/IEtherToken.sol": { + "id": 56 + }, + "2.0.0/utils/LibBytes/LibBytes.sol": { + "id": 57 + }, + "2.0.0/utils/Ownable/IOwnable.sol": { + "id": 58 + }, + "2.0.0/utils/Ownable/Ownable.sol": { + "id": 59 + }, + "2.0.0/utils/SafeMath/SafeMath.sol": { + "id": 60 + } + }, + "sourceCodes": { + "2.0.0/extensions/Forwarder/Forwarder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinWeth.sol\";\nimport \"./MixinForwarderCore.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinAssets.sol\";\nimport \"./MixinExchangeWrapper.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Forwarder is\n LibConstants,\n MixinWeth,\n MixinAssets,\n MixinExchangeWrapper,\n MixinForwarderCore\n{\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n LibConstants(\n _exchange,\n _zrxAssetData,\n _wethAssetData\n )\n MixinForwarderCore()\n {}\n}\n", + "2.0.0/extensions/Forwarder/MixinAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MAssets.sol\";\n\n\ncontract MixinAssets is\n Ownable,\n LibConstants,\n MAssets\n{\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256(\"transfer(address,uint256)\"));\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external\n onlyOwner\n {\n transferAssetToSender(assetData, amount);\n }\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n bytes4 proxyId = assetData.readBytes4(0);\n\n if (proxyId == ERC20_DATA_ID) {\n transferERC20Token(assetData, amount);\n } else if (proxyId == ERC721_DATA_ID) {\n transferERC721Token(assetData, amount);\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n }\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n address token = assetData.readAddress(16);\n\n // Transfer tokens.\n // We do a raw call so we can check the success separate\n // from the return data.\n bool success = token.call(abi.encodeWithSelector(\n ERC20_TRANSFER_SELECTOR,\n msg.sender,\n amount\n ));\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n \n // Check return data.\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // value that evaluates to true.\n assembly {\n if returndatasize {\n success := 0\n if eq(returndatasize, 32) {\n // First 64 bytes of memory are reserved scratch space\n returndatacopy(0, 0, 32)\n success := mload(0)\n }\n }\n }\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n }\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n require(\n amount == 1,\n \"INVALID_AMOUNT\"\n );\n // Decode asset data.\n address token = assetData.readAddress(16);\n uint256 tokenId = assetData.readUint256(36);\n\n // Perform transfer.\n IERC721Token(token).transferFrom(\n address(this),\n msg.sender,\n tokenId\n );\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"../../protocol/Exchange/libs/LibAbiEncoder.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinExchangeWrapper is\n LibAbiEncoder,\n LibFillResults,\n LibMath,\n LibConstants,\n MExchangeWrapper\n{\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n address exchange = address(EXCHANGE);\n\n // Call `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := call(\n gas, // forward all gas, TODO: look into gas consumption of assert/throw\n exchange, // call address of Exchange contract\n 0, // transfer 0 wei\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n switch success\n case 0 {\n mstore(fillResults, 0)\n mstore(add(fillResults, 32), 0)\n mstore(add(fillResults, 64), 0)\n mstore(add(fillResults, 96), 0)\n }\n case 1 {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of WETH to sell\n uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of WETH\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmount(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount;\n if (makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n\n require(\n makerAssetFilledAmount >= makerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n // Do nothing if zrxBuyAmount == 0\n if (zrxBuyAmount == 0) {\n return totalFillResults;\n }\n\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n uint256 zrxPurchased = 0;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // All of these are ZRX/WETH, so we can drop the respective assetData from calldata.\n orders[i].makerAssetData = zrxAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of ZRX to buy.\n uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased);\n\n // Convert the remaining amount of ZRX to buy into remaining amount\n // of WETH to sell, assuming entire amount can be sold in the current order.\n uint256 remainingWethSellAmount = getPartialAmount(\n orders[i].takerAssetAmount,\n safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees \n remainingZrxBuyAmount\n );\n\n // Attempt to sell the remaining amount of WETH.\n FillResults memory singleFillResult = fillOrderNoThrow(\n orders[i],\n safeAdd(remainingWethSellAmount, 1), // we add 1 wei to the fill amount to make up for rounding errors\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker.\n addFillResults(totalFillResults, singleFillResult);\n zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid);\n\n // Stop execution if the entire amount of ZRX has been bought.\n if (zrxPurchased >= zrxBuyAmount) {\n break;\n }\n }\n\n require(\n zrxPurchased >= zrxBuyAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\nimport \"./mixins/MAssets.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"./interfaces/IForwarderCore.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinForwarderCore is\n LibFillResults,\n LibMath,\n LibConstants,\n MWeth,\n MAssets,\n MExchangeWrapper,\n IForwarderCore\n{\n\n using LibBytes for bytes;\n\n /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf.\n constructor ()\n public\n {\n address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID);\n if (proxyAddress != address(0)) {\n ETHER_TOKEN.approve(proxyAddress, MAX_UINT);\n ZRX_TOKEN.approve(proxyAddress, MAX_UINT);\n }\n }\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 wethSellAmount;\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // Calculate amount of WETH that won't be spent on ETH fees.\n wethSellAmount = getPartialAmount(\n PERCENTAGE_DENOMINATOR,\n safeAdd(PERCENTAGE_DENOMINATOR, feePercentage),\n msg.value\n );\n // Market sell available WETH.\n // ZRX fees are paid with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // 5% of WETH is reserved for filling feeOrders and paying feeRecipient.\n wethSellAmount = getPartialAmount(\n MAX_WETH_FILL_PERCENTAGE,\n PERCENTAGE_DENOMINATOR,\n msg.value\n );\n // Market sell 95% of WETH.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // If the makerAsset is ZRX, it is not necessary to pay fees out of this\n // contracts's ZRX balance because fees are factored into the price of the order.\n orderFillResults = marketBuyExactZrxWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // Attemp to purchase desired amount of makerAsset.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketBuyExactAmountWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\n\n\ncontract MixinWeth is\n LibMath,\n LibConstants,\n MWeth\n{\n\n /// @dev Default payabale function, this allows us to withdraw WETH\n function ()\n public\n payable\n {\n require(\n msg.sender == address(ETHER_TOKEN),\n \"DEFAULT_FUNCTION_WETH_CONTRACT_ONLY\"\n );\n }\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal\n {\n require(\n msg.value > 0,\n \"INVALID_MSG_VALUE\"\n );\n ETHER_TOKEN.deposit.value(msg.value)();\n }\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal\n {\n // Ensure feePercentage is less than 5%.\n require(\n feePercentage <= MAX_FEE_PERCENTAGE,\n \"FEE_PERCENTAGE_TOO_LARGE\"\n );\n\n // Ensure that no extra WETH owned by this contract has been sold.\n uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx);\n require(\n wethSold <= msg.value,\n \"OVERSOLD_WETH\"\n );\n\n // Calculate amount of WETH that hasn't been sold.\n uint256 wethRemaining = safeSub(msg.value, wethSold);\n\n // Calculate ETH fee to pay to feeRecipient.\n uint256 ethFee = getPartialAmount(\n feePercentage,\n PERCENTAGE_DENOMINATOR,\n wethSoldExcludingFeeOrders\n );\n\n // Ensure fee is less than amount of WETH remaining.\n require(\n ethFee <= wethRemaining,\n \"INSUFFICIENT_ETH_REMAINING\"\n );\n \n // Do nothing if no WETH remaining\n if (wethRemaining > 0) {\n // Convert remaining WETH to ETH\n ETHER_TOKEN.withdraw(wethRemaining);\n\n // Pay ETH to feeRecipient\n if (ethFee > 0) {\n feeRecipient.transfer(ethFee);\n }\n\n // Refund remaining ETH to msg.sender.\n uint256 ethRefund = safeSub(wethRemaining, ethFee);\n if (ethRefund > 0) {\n msg.sender.transfer(ethRefund);\n }\n }\n }\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssets {\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external;\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract IForwarderCore {\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n}\n", + "2.0.0/extensions/Forwarder/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/LibBytes/LibBytes.sol\";\nimport \"../../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../../tokens/EtherToken/IEtherToken.sol\";\nimport \"../../../tokens/ERC20Token/IERC20Token.sol\";\n\n\ncontract LibConstants {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n uint256 constant internal MAX_UINT = 2**256 - 1;\n uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; \n uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5%\n uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95%\n \n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n IEtherToken internal ETHER_TOKEN;\n IERC20Token internal ZRX_TOKEN;\n bytes internal ZRX_ASSET_DATA;\n bytes internal WETH_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n WETH_ASSET_DATA = _wethAssetData;\n\n address etherToken = _wethAssetData.readAddress(16);\n address zrxToken = _zrxAssetData.readAddress(16);\n ETHER_TOKEN = IEtherToken(etherToken);\n ZRX_TOKEN = IERC20Token(zrxToken);\n }\n}\n", + "2.0.0/extensions/Forwarder/mixins/MAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssets.sol\";\n\n\ncontract MAssets is\n IAssets\n{\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract MExchangeWrapper {\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n}\n", + "2.0.0/extensions/Forwarder/mixins/MWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract MWeth {\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal;\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal;\n}\n", + "2.0.0/extensions/OrderValidator/OrderValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract OrderValidator {\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n using LibBytes for bytes;\n\n struct TraderInfo {\n uint256 makerBalance; // Maker's balance of makerAsset\n uint256 makerAllowance; // Maker's allowance to corresponding AssetProxy\n uint256 takerBalance; // Taker's balance of takerAsset\n uint256 takerAllowance; // Taker's allowance to corresponding AssetProxy\n uint256 makerZrxBalance; // Maker's balance of ZRX\n uint256 makerZrxAllowance; // Maker's allowance of ZRX to ERC20Proxy\n uint256 takerZrxBalance; // Taker's balance of ZRX\n uint256 takerZrxAllowance; // Taker's allowance of ZRX to ERC20Proxy\n }\n\n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n bytes internal ZRX_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (address _exchange, bytes memory _zrxAssetData)\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n }\n\n /// @dev Fetches information for order and maker/taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return OrderInfo and TraderInfo instances for given order.\n function getOrderAndTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo, TraderInfo memory traderInfo)\n {\n orderInfo = EXCHANGE.getOrderInfo(order);\n traderInfo = getTraderInfo(order, takerAddress);\n return (orderInfo, traderInfo);\n }\n\n /// @dev Fetches information for all passed in orders and the makers/takers of each order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Arrays of OrderInfo and TraderInfo instances that correspond to each order.\n function getOrdersAndTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (LibOrder.OrderInfo[] memory ordersInfo, TraderInfo[] memory tradersInfo)\n {\n ordersInfo = EXCHANGE.getOrdersInfo(orders);\n tradersInfo = getTradersInfo(orders, takerAddresses);\n return (ordersInfo, tradersInfo);\n }\n\n /// @dev Fetches balance and allowances for maker and taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return Balances and allowances of maker and taker of order.\n function getTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (TraderInfo memory traderInfo)\n {\n (traderInfo.makerBalance, traderInfo.makerAllowance) = getBalanceAndAllowance(order.makerAddress, order.makerAssetData);\n (traderInfo.takerBalance, traderInfo.takerAllowance) = getBalanceAndAllowance(takerAddress, order.takerAssetData);\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n (traderInfo.makerZrxBalance, traderInfo.makerZrxAllowance) = getBalanceAndAllowance(order.makerAddress, zrxAssetData);\n (traderInfo.takerZrxBalance, traderInfo.takerZrxAllowance) = getBalanceAndAllowance(takerAddress, zrxAssetData);\n return traderInfo;\n }\n\n /// @dev Fetches balances and allowances of maker and taker for each provided order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Array of balances and allowances for maker and taker of each order.\n function getTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (TraderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n TraderInfo[] memory tradersInfo = new TraderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n tradersInfo[i] = getTraderInfo(orders[i], takerAddresses[i]);\n }\n return tradersInfo;\n }\n\n /// @dev Fetches token balances and allowances of an address to given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Encoded data that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balance of asset and allowance set to given proxy of asset.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalanceAndAllowance(address target, bytes memory assetData)\n public\n view\n returns (uint256 balance, uint256 allowance)\n {\n bytes4 assetProxyId = assetData.readBytes4(0);\n address token = assetData.readAddress(16);\n address assetProxy = EXCHANGE.getAssetProxy(assetProxyId);\n\n if (assetProxyId == ERC20_DATA_ID) {\n // Query balance\n balance = IERC20Token(token).balanceOf(target);\n\n // Query allowance\n allowance = IERC20Token(token).allowance(target, assetProxy);\n } else if (assetProxyId == ERC721_DATA_ID) {\n uint256 tokenId = assetData.readUint256(36);\n\n // Query owner of tokenId\n address owner = getERC721TokenOwner(token, tokenId);\n\n // Set balance to 1 if tokenId is owned by target\n balance = target == owner ? 1 : 0;\n\n // Check if ERC721Proxy is approved to spend tokenId\n bool isApproved = IERC721Token(token).isApprovedForAll(target, assetProxy) || IERC721Token(token).getApproved(tokenId) == assetProxy;\n \n // Set alowance to 1 if ERC721Proxy is approved to spend tokenId\n allowance = isApproved ? 1 : 0;\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n return (balance, allowance);\n }\n\n /// @dev Fetches token balances and allowances of an address for each given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Array of encoded byte arrays that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balances and allowances of assets.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalancesAndAllowances(address target, bytes[] memory assetData)\n public\n view\n returns (uint256[] memory, uint256[] memory)\n {\n uint256 length = assetData.length;\n uint256[] memory balances = new uint256[](length);\n uint256[] memory allowances = new uint256[](length);\n for (uint256 i = 0; i != length; i++) {\n (balances[i], allowances[i]) = getBalanceAndAllowance(target, assetData[i]);\n }\n return (balances, allowances);\n }\n\n /// @dev Calls `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token.\n /// @param token Address of ERC721 token.\n /// @param tokenId The identifier for the specific NFT.\n /// @return Owner of tokenId or null address if unowned.\n function getERC721TokenOwner(address token, uint256 tokenId)\n public\n view\n returns (address owner)\n {\n assembly {\n // load free memory pointer\n let cdStart := mload(64)\n\n // bytes4(keccak256(ownerOf(uint256))) = 0x6352211e\n mstore(cdStart, 0x6352211e00000000000000000000000000000000000000000000000000000000)\n mstore(add(cdStart, 4), tokenId)\n\n // staticcall `ownerOf(tokenId)`\n // `ownerOf` will revert if tokenId is not owned\n let success := staticcall(\n gas, // forward all gas\n token, // call token contract\n cdStart, // start of calldata\n 36, // length of input is 36 bytes\n cdStart, // write output over input\n 32 // size of output is 32 bytes\n )\n\n // Success implies that tokenId is owned\n // Copy owner from return data if successful\n if success {\n owner := mload(cdStart)\n } \n }\n\n // Owner initialized to address(0), no need to modify if call is unsuccessful\n return owner;\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC20Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n \n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n \n /////// Token contract address ///////\n // The token address is found as follows:\n // * It is stored at offset 4 in `assetData` contents.\n // * This is stored at offset 32 from `assetData`.\n // * The offset to `assetData` from Params is stored at offset\n // 4 in calldata.\n // * The offset of Params in calldata is 4.\n // So we read location 4 and add 32 + 4 + 4 to it.\n let token := calldataload(add(calldataload(4), 40))\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from`, `to` and `amount` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 96)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output over input\n 32 // output size should be 32 bytes\n )\n\n /////// Check return data. ///////\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // nonzero 32 bytes value.\n // So the transfer succeeded if the call succeeded and either\n // returned nothing, or returned a non-zero 32 byte value. \n success := and(success, or(\n iszero(returndatasize),\n and(\n eq(returndatasize, 32),\n gt(mload(0), 0)\n )\n ))\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC721Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 2 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n // | | 36 | | 2. tokenId |\n \n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. tokenId |\n\n // There exists only 1 of each token.\n // require(amount == 1, \"INVALID_AMOUNT\")\n if sub(calldataload(100), 1) {\n // Revert with `Error(\"INVALID_AMOUNT\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from` and `to` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 64)\n\n // Copy `tokenId` field from our own calldata to the new calldata.\n let assetDataOffset := calldataload(4)\n calldatacopy(68, add(assetDataOffset, 72), 32)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let token := calldataload(add(assetDataOffset, 40))\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output to null\n 0 // output size is 0 bytes\n )\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAuthorizable.sol\";\n\n\ncontract MixinAuthorizable is\n Ownable,\n MAuthorizable\n{\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized {\n require(\n authorized[msg.sender],\n \"SENDER_NOT_AUTHORIZED\"\n );\n _;\n }\n\n mapping (address => bool) public authorized;\n address[] public authorities;\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n !authorized[target],\n \"TARGET_ALREADY_AUTHORIZED\"\n );\n\n authorized[target] = true;\n authorities.push(target);\n emit AuthorizedAddressAdded(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n\n delete authorized[target];\n for (uint256 i = 0; i < authorities.length; i++) {\n if (authorities[i] == target) {\n authorities[i] = authorities[authorities.length - 1];\n authorities.length -= 1;\n break;\n }\n }\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n require(\n index < authorities.length,\n \"INDEX_OUT_OF_BOUNDS\"\n );\n require(\n authorities[index] == target,\n \"AUTHORIZED_ADDRESS_MISMATCH\"\n );\n\n delete authorized[target];\n authorities[index] = authorities[authorities.length - 1];\n authorities.length -= 1;\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory)\n {\n return authorities;\n }\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IAuthorizable.sol\";\n\n\ncontract IAssetProxy is\n IAuthorizable\n{\n\n /// @dev Transfers assets. Either succeeds or throws.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n function transferFrom(\n bytes assetData,\n address from,\n address to,\n uint256 amount\n )\n external;\n \n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4);\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/Ownable/IOwnable.sol\";\n\n\ncontract IAuthorizable is\n IOwnable\n{\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external;\n \n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory);\n}\n", + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAuthorizable.sol\";\n\n\ncontract MAuthorizable is\n IAuthorizable\n{\n\n // Event logged when a new address is authorized.\n event AuthorizedAddressAdded(\n address indexed target,\n address indexed caller\n );\n\n // Event logged when a currently authorized address is unauthorized.\n event AuthorizedAddressRemoved(\n address indexed target,\n address indexed caller\n );\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized { revert(); _; }\n}\n", + "2.0.0/protocol/Exchange/Exchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinExchangeCore.sol\";\nimport \"./MixinSignatureValidator.sol\";\nimport \"./MixinWrapperFunctions.sol\";\nimport \"./MixinAssetProxyDispatcher.sol\";\nimport \"./MixinTransactions.sol\";\nimport \"./MixinMatchOrders.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Exchange is\n MixinExchangeCore,\n MixinMatchOrders,\n MixinSignatureValidator,\n MixinTransactions,\n MixinAssetProxyDispatcher,\n MixinWrapperFunctions\n{\n\n string constant public VERSION = \"2.0.1-alpha\";\n\n // Mixins are instantiated in the order they are inherited\n constructor (bytes memory _zrxAssetData)\n public\n LibConstants(_zrxAssetData) // @TODO: Remove when we deploy.\n MixinExchangeCore()\n MixinMatchOrders()\n MixinSignatureValidator()\n MixinTransactions()\n MixinAssetProxyDispatcher()\n MixinWrapperFunctions()\n {}\n}\n", + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\nimport \"../AssetProxy/interfaces/IAssetProxy.sol\";\n\n\ncontract MixinAssetProxyDispatcher is\n Ownable,\n MAssetProxyDispatcher\n{\n using LibBytes for bytes;\n \n // Mapping from Asset Proxy Id's to their respective Asset Proxy\n mapping (bytes4 => IAssetProxy) public assetProxies;\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external\n onlyOwner\n {\n IAssetProxy assetProxyContract = IAssetProxy(assetProxy);\n\n // Ensure that no asset proxy exists with current id.\n bytes4 assetProxyId = assetProxyContract.getProxyId();\n address currentAssetProxy = assetProxies[assetProxyId];\n require(\n currentAssetProxy == address(0),\n \"ASSET_PROXY_ALREADY_EXISTS\"\n );\n\n // Add asset proxy and log registration.\n assetProxies[assetProxyId] = assetProxyContract;\n emit AssetProxyRegistered(\n assetProxyId,\n assetProxy\n );\n }\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address)\n {\n return assetProxies[assetProxyId];\n }\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal\n {\n // Do nothing if no amount should be transferred.\n if (amount > 0) {\n // Ensure assetData length is valid\n require(\n assetData.length > 3,\n \"LENGTH_GREATER_THAN_3_REQUIRED\"\n );\n \n // Lookup assetProxy\n bytes4 assetProxyId;\n assembly {\n assetProxyId := and(mload(\n add(assetData, 32)),\n 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000\n )\n }\n address assetProxy = assetProxies[assetProxyId];\n\n // Ensure that assetProxy exists\n require(\n assetProxy != address(0),\n \"ASSET_PROXY_DOES_NOT_EXIST\"\n );\n \n // We construct calldata for the `assetProxy.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n\n assembly {\n /////// Setup State ///////\n // `cdStart` is the start of the calldata for `assetProxy.transferFrom` (equal to free memory ptr).\n let cdStart := mload(64)\n // `dataAreaLength` is the total number of words needed to store `assetData`\n // As-per the ABI spec, this value is padded up to the nearest multiple of 32,\n // and includes 32-bytes for length.\n let dataAreaLength := and(add(mload(assetData), 63), 0xFFFFFFFFFFFE0)\n // `cdEnd` is the end of the calldata for `assetProxy.transferFrom`.\n let cdEnd := add(cdStart, add(132, dataAreaLength))\n\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFromSelector`.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes.\n // Notes:\n // 1. The offset to `assetData` is the length of the Params Area (128 bytes).\n // 2. A 20-byte mask is applied to addresses to zero-out the unused bytes.\n mstore(add(cdStart, 4), 128)\n mstore(add(cdStart, 36), and(from, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 68), and(to, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 100), amount)\n \n /////// Setup Data Area ///////\n // This area holds `assetData`.\n let dataArea := add(cdStart, 132)\n // solhint-disable-next-line no-empty-blocks\n for {} lt(dataArea, cdEnd) {} {\n mstore(dataArea, mload(assetData))\n dataArea := add(dataArea, 32)\n assetData := add(assetData, 32)\n }\n\n /////// Call `assetProxy.transferFrom` using the constructed calldata ///////\n let success := call(\n gas, // forward all gas\n assetProxy, // call address of asset proxy\n 0, // don't send any ETH\n cdStart, // pointer to start of input\n sub(cdEnd, cdStart), // length of input \n cdStart, // write output over input\n 512 // reserve 512 bytes for output\n )\n if iszero(success) {\n revert(cdStart, returndatasize())\n }\n }\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinExchangeCore is\n LibConstants,\n LibMath,\n LibOrder,\n LibFillResults,\n MAssetProxyDispatcher,\n MExchangeCore,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of orderHash => amount of takerAsset already bought by maker\n mapping (bytes32 => uint256) public filled;\n\n // Mapping of orderHash => cancelled\n mapping (bytes32 => bool) public cancelled;\n\n // Mapping of makerAddress => senderAddress => lowest salt an order can have in order to be fillable\n // Orders with specified senderAddress and with a salt less than their epoch are considered cancelled\n mapping (address => mapping (address => uint256)) public orderEpoch;\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external\n {\n address makerAddress = getCurrentContextAddress();\n // If this function is called via `executeTransaction`, we only update the orderEpoch for the makerAddress/msg.sender combination.\n // This allows external filter contracts to add rules to how orders are cancelled via this function.\n address senderAddress = makerAddress == msg.sender ? address(0) : msg.sender;\n\n // orderEpoch is initialized to 0, so to cancelUpTo we need salt + 1\n uint256 newOrderEpoch = targetOrderEpoch + 1; \n uint256 oldOrderEpoch = orderEpoch[makerAddress][senderAddress];\n\n // Ensure orderEpoch is monotonically increasing\n require(\n newOrderEpoch > oldOrderEpoch, \n \"INVALID_NEW_ORDER_EPOCH\"\n );\n\n // Update orderEpoch\n orderEpoch[makerAddress][senderAddress] = newOrderEpoch;\n emit CancelUpTo(makerAddress, senderAddress, newOrderEpoch);\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // Fetch order info\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n\n // Get amount of takerAsset to fill\n uint256 remainingTakerAssetAmount = safeSub(order.takerAssetAmount, orderInfo.orderTakerAssetFilledAmount);\n uint256 takerAssetFilledAmount = min256(takerAssetFillAmount, remainingTakerAssetAmount);\n\n // Validate context\n assertValidFill(\n order,\n orderInfo,\n takerAddress,\n takerAssetFillAmount,\n takerAssetFilledAmount,\n signature\n );\n\n // Compute proportional fill amounts\n fillResults = calculateFillResults(order, takerAssetFilledAmount);\n\n // Update exchange internal state\n updateFilledState(\n order,\n takerAddress,\n orderInfo.orderHash,\n orderInfo.orderTakerAssetFilledAmount,\n fillResults\n );\n \n // Settle order\n settleOrder(order, takerAddress, fillResults);\n\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrder(Order memory order)\n public\n {\n // Fetch current order status\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Validate context\n assertValidCancel(order, orderInfo);\n\n // Perform cancel\n updateCancelledState(order, orderInfo.orderHash);\n }\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(Order memory order)\n public\n view\n returns (OrderInfo memory orderInfo)\n {\n // Compute the order hash\n orderInfo.orderHash = getOrderHash(order);\n\n // Fetch filled amount\n orderInfo.orderTakerAssetFilledAmount = filled[orderInfo.orderHash];\n\n // If order.makerAssetAmount is zero, we also reject the order.\n // While the Exchange contract handles them correctly, they create\n // edge cases in the supporting infrastructure because they have\n // an 'infinite' price when computed by a simple division.\n if (order.makerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_MAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // If order.takerAssetAmount is zero, then the order will always\n // be considered filled because 0 == takerAssetAmount == orderTakerAssetFilledAmount\n // Instead of distinguishing between unfilled and filled zero taker\n // amount orders, we choose not to support them.\n if (order.takerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_TAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // Validate order availability\n if (orderInfo.orderTakerAssetFilledAmount >= order.takerAssetAmount) {\n orderInfo.orderStatus = uint8(OrderStatus.FULLY_FILLED);\n return orderInfo;\n }\n\n // Validate order expiration\n // solhint-disable-next-line not-rely-on-time\n if (block.timestamp >= order.expirationTimeSeconds) {\n orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);\n return orderInfo;\n }\n\n // Check if order has been cancelled\n if (cancelled[orderInfo.orderHash]) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n if (orderEpoch[order.makerAddress][order.senderAddress] > order.salt) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n\n // All other statuses are ruled out: order is Fillable\n orderInfo.orderStatus = uint8(OrderStatus.FILLABLE);\n return orderInfo;\n }\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n function updateFilledState(\n Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n FillResults memory fillResults\n )\n internal\n {\n // Update state\n filled[orderHash] = safeAdd(orderTakerAssetFilledAmount, fillResults.takerAssetFilledAmount);\n\n // Log order\n emit Fill(\n order.makerAddress,\n order.feeRecipientAddress,\n takerAddress,\n msg.sender,\n fillResults.makerAssetFilledAmount,\n fillResults.takerAssetFilledAmount,\n fillResults.makerFeePaid,\n fillResults.takerFeePaid,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n Order memory order,\n bytes32 orderHash\n )\n internal\n {\n // Perform cancel\n cancelled[orderHash] = true;\n\n // Log cancel\n emit Cancel(\n order.makerAddress,\n order.feeRecipientAddress,\n msg.sender,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param signature Proof that the orders was created by its maker.\n function assertValidFill(\n Order memory order,\n OrderInfo memory orderInfo,\n address takerAddress,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n bytes memory signature\n )\n internal\n view\n {\n // An order can only be filled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Revert if fill amount is invalid\n require(\n takerAssetFillAmount != 0,\n \"INVALID_TAKER_AMOUNT\"\n );\n\n // Validate sender is allowed to fill this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate taker is allowed to fill this order\n if (order.takerAddress != address(0)) {\n require(\n order.takerAddress == takerAddress,\n \"INVALID_TAKER\"\n );\n }\n\n // Validate Maker signature (check only if first time seen)\n if (orderInfo.orderTakerAssetFilledAmount == 0) {\n require(\n isValidSignature(\n orderInfo.orderHash,\n order.makerAddress,\n signature\n ),\n \"INVALID_ORDER_SIGNATURE\"\n );\n }\n\n // Validate fill order rounding\n require(\n !isRoundingError(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n ),\n \"ROUNDING_ERROR\"\n );\n }\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n Order memory order,\n OrderInfo memory orderInfo\n )\n internal\n view\n {\n // Ensure order is valid\n // An order can only be cancelled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Validate sender is allowed to cancel this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate transaction signed by maker\n address makerAddress = getCurrentContextAddress();\n require(\n order.makerAddress == makerAddress,\n \"INVALID_MAKER\"\n );\n }\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (FillResults memory fillResults)\n {\n // Compute proportional transfer amounts\n fillResults.takerAssetFilledAmount = takerAssetFilledAmount;\n fillResults.makerAssetFilledAmount = getPartialAmount(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n );\n fillResults.makerFeePaid = getPartialAmount(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerFee\n );\n fillResults.takerFeePaid = getPartialAmount(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.takerFee\n );\n\n return fillResults;\n }\n\n /// @dev Settles an order by transferring assets between counterparties.\n /// @param order Order struct containing order specifications.\n /// @param takerAddress Address selling takerAsset and buying makerAsset.\n /// @param fillResults Amounts to be filled and fees paid by maker and taker.\n function settleOrder(\n LibOrder.Order memory order,\n address takerAddress,\n LibFillResults.FillResults memory fillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n dispatchTransferFrom(\n order.makerAssetData,\n order.makerAddress,\n takerAddress,\n fillResults.makerAssetFilledAmount\n );\n dispatchTransferFrom(\n order.takerAssetData,\n takerAddress,\n order.makerAddress,\n fillResults.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n zrxAssetData,\n order.makerAddress,\n order.feeRecipientAddress,\n fillResults.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n order.feeRecipientAddress,\n fillResults.takerFeePaid\n );\n }\n}\n", + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": "/*\n Copyright 2018 ZeroEx Intl.\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n http://www.apache.org/licenses/LICENSE-2.0\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MMatchOrders.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinMatchOrders is\n LibConstants,\n LibMath,\n MAssetProxyDispatcher,\n MExchangeCore,\n MMatchOrders,\n MTransactions\n{\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We assume that rightOrder.takerAssetData == leftOrder.makerAssetData and rightOrder.makerAssetData == leftOrder.takerAssetData.\n // If this assumption isn't true, the match will fail at signature validation.\n rightOrder.makerAssetData = leftOrder.takerAssetData;\n rightOrder.takerAssetData = leftOrder.makerAssetData;\n\n // Get left & right order info\n LibOrder.OrderInfo memory leftOrderInfo = getOrderInfo(leftOrder);\n LibOrder.OrderInfo memory rightOrderInfo = getOrderInfo(rightOrder);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n\n // Either our context is valid or we revert\n assertValidMatch(leftOrder, rightOrder);\n\n // Compute proportional fill amounts\n matchedFillResults = calculateMatchedFillResults(\n leftOrder,\n rightOrder,\n leftOrderInfo.orderTakerAssetFilledAmount,\n rightOrderInfo.orderTakerAssetFilledAmount\n );\n\n // Validate fill contexts\n assertValidFill(\n leftOrder,\n leftOrderInfo,\n takerAddress,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.takerAssetFilledAmount,\n leftSignature\n );\n assertValidFill(\n rightOrder,\n rightOrderInfo,\n takerAddress,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount,\n rightSignature\n );\n\n // Update exchange state\n updateFilledState(\n leftOrder,\n takerAddress,\n leftOrderInfo.orderHash,\n leftOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.left\n );\n updateFilledState(\n rightOrder,\n takerAddress,\n rightOrderInfo.orderHash,\n rightOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.right\n );\n \n // Settle matched orders. Succeeds or throws.\n settleMatchedOrders(\n leftOrder,\n rightOrder,\n takerAddress,\n matchedFillResults\n );\n\n return matchedFillResults;\n }\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure\n {\n // Make sure there is a profitable spread.\n // There is a profitable spread iff the cost per unit bought (OrderA.MakerAmount/OrderA.TakerAmount) for each order is greater\n // than the profit per unit sold of the matched order (OrderB.TakerAmount/OrderB.MakerAmount).\n // This is satisfied by the equations below:\n // / >= / \n // AND\n // / >= / \n // These equations can be combined to get the following:\n require(\n safeMul(leftOrder.makerAssetAmount, rightOrder.makerAssetAmount) >=\n safeMul(leftOrder.takerAssetAmount, rightOrder.takerAssetAmount),\n \"NEGATIVE_SPREAD_REQUIRED\"\n );\n }\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We settle orders at the exchange rate of the right order.\n // The amount saved by the left maker goes to the taker.\n // Either the left or right order will be fully filled; possibly both.\n // The left order is fully filled iff the right order can sell more than left can buy.\n // That is: the amount required to fill the left order is less than or equal to\n // the amount we can spend from the right order:\n // <= * \n // <= * / \n // * <= * \n uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);\n uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);\n uint256 leftTakerAssetFilledAmount;\n uint256 rightTakerAssetFilledAmount;\n if (\n safeMul(leftTakerAssetAmountRemaining, rightOrder.takerAssetAmount) <=\n safeMul(rightTakerAssetAmountRemaining, rightOrder.makerAssetAmount)\n ) {\n // Left order will be fully filled: maximally fill left\n leftTakerAssetFilledAmount = leftTakerAssetAmountRemaining;\n\n // The right order receives an amount proportional to how much was spent.\n rightTakerAssetFilledAmount = getPartialAmount(\n rightOrder.takerAssetAmount,\n rightOrder.makerAssetAmount,\n leftTakerAssetFilledAmount\n );\n } else {\n // Right order will be fully filled: maximally fill right\n rightTakerAssetFilledAmount = rightTakerAssetAmountRemaining;\n\n // The left order receives an amount proportional to how much was spent.\n leftTakerAssetFilledAmount = getPartialAmount(\n rightOrder.makerAssetAmount,\n rightOrder.takerAssetAmount,\n rightTakerAssetFilledAmount\n );\n }\n\n // Calculate fill results for left order\n matchedFillResults.left = calculateFillResults(\n leftOrder,\n leftTakerAssetFilledAmount\n );\n\n // Calculate fill results for right order\n matchedFillResults.right = calculateFillResults(\n rightOrder,\n rightTakerAssetFilledAmount\n );\n\n // Calculate amount given to taker\n matchedFillResults.leftMakerAssetSpreadAmount = safeSub(\n matchedFillResults.left.makerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount\n );\n\n // Return fill results\n return matchedFillResults;\n }\n\n /// @dev Settles matched order by transferring appropriate funds between order makers, taker, and fee recipient.\n /// @param leftOrder First matched order.\n /// @param rightOrder Second matched order.\n /// @param takerAddress Address that matched the orders. The taker receives the spread between orders as profit.\n /// @param matchedFillResults Struct holding amounts to transfer between makers, taker, and fee recipients.\n function settleMatchedOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n address takerAddress,\n LibFillResults.MatchedFillResults memory matchedFillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n // Order makers and taker\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n rightOrder.makerAddress,\n matchedFillResults.right.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n rightOrder.makerAssetData,\n rightOrder.makerAddress,\n leftOrder.makerAddress,\n matchedFillResults.left.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n takerAddress,\n matchedFillResults.leftMakerAssetSpreadAmount\n );\n\n // Maker fees\n dispatchTransferFrom(\n zrxAssetData,\n leftOrder.makerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n rightOrder.makerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.makerFeePaid\n );\n\n // Taker fees\n if (leftOrder.feeRecipientAddress == rightOrder.feeRecipientAddress) {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n safeAdd(\n matchedFillResults.left.takerFeePaid,\n matchedFillResults.right.takerFeePaid\n )\n );\n } else {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.takerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.takerFeePaid\n );\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./interfaces/IWallet.sol\";\nimport \"./interfaces/IValidator.sol\";\n\n\ncontract MixinSignatureValidator is\n MSignatureValidator,\n MTransactions\n{\n using LibBytes for bytes;\n \n // Mapping of hash => signer => signed\n mapping (bytes32 => mapping (address => bool)) public preSigned;\n\n // Mapping of signer => validator => approved\n mapping (address => mapping (address => bool)) public allowedValidators;\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n {\n require(\n isValidSignature(\n hash,\n signerAddress,\n signature\n ),\n \"INVALID_SIGNATURE\"\n );\n preSigned[hash][signerAddress] = true;\n }\n\n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external\n {\n address signerAddress = getCurrentContextAddress();\n allowedValidators[signerAddress][validatorAddress] = approval;\n emit SignatureValidatorApproval(\n signerAddress,\n validatorAddress,\n approval\n );\n }\n\n /// @dev Verifies that a hash has been signed by the given signer.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid)\n {\n require(\n signature.length > 0,\n \"LENGTH_GREATER_THAN_0_REQUIRED\"\n );\n\n // Pop last byte off of signature byte array.\n uint8 signatureTypeRaw = uint8(signature.popLastByte());\n\n // Ensure signature is supported\n require(\n signatureTypeRaw < uint8(SignatureType.NSignatureTypes),\n \"SIGNATURE_UNSUPPORTED\"\n );\n\n SignatureType signatureType = SignatureType(signatureTypeRaw);\n\n // Variables are not scoped in Solidity.\n uint8 v;\n bytes32 r;\n bytes32 s;\n address recovered;\n\n // Always illegal signature.\n // This is always an implicit option since a signer can create a\n // signature array with invalid type or length. We may as well make\n // it an explicit option. This aids testing and analysis. It is\n // also the initialization value for the enum type.\n if (signatureType == SignatureType.Illegal) {\n revert(\"SIGNATURE_ILLEGAL\");\n\n // Always invalid signature.\n // Like Illegal, this is always implicitly available and therefore\n // offered explicitly. It can be implicitly created by providing\n // a correctly formatted but incorrect signature.\n } else if (signatureType == SignatureType.Invalid) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = false;\n return isValid;\n\n // Signature using EIP712\n } else if (signatureType == SignatureType.EIP712) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n hash,\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signed using web3.eth_sign\n } else if (signatureType == SignatureType.EthSign) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n32\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Implicitly signed by caller.\n // The signer has initiated the call. In the case of non-contract\n // accounts it means the transaction itself was signed.\n // Example: let's say for a particular operation three signatures\n // A, B and C are required. To submit the transaction, A and B can\n // give a signature to C, who can then submit the transaction using\n // `Caller` for his own signature. Or A and C can sign and B can\n // submit using `Caller`. Having `Caller` allows this flexibility.\n } else if (signatureType == SignatureType.Caller) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = signerAddress == msg.sender;\n return isValid;\n\n // Signature verified by wallet contract.\n // If used with an order, the maker of the order is the wallet contract.\n } else if (signatureType == SignatureType.Wallet) {\n isValid = IWallet(signerAddress).isValidSignature(hash, signature);\n return isValid;\n\n // Signature verified by validator contract.\n // If used with an order, the maker of the order can still be an EOA.\n // A signature using this type should be encoded as:\n // | Offset | Length | Contents |\n // | 0x00 | x | Signature to validate |\n // | 0x00 + x | 20 | Address of validator contract |\n // | 0x14 + x | 1 | Signature type is always \"\\x06\" |\n } else if (signatureType == SignatureType.Validator) {\n // Pop last 20 bytes off of signature byte array.\n address validatorAddress = signature.popLast20Bytes();\n \n // Ensure signer has approved validator.\n if (!allowedValidators[signerAddress][validatorAddress]) {\n return false;\n }\n isValid = IValidator(validatorAddress).isValidSignature(\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signer signed hash previously using the preSign function.\n } else if (signatureType == SignatureType.PreSigned) {\n isValid = preSigned[hash][signerAddress];\n return isValid;\n\n // Signature from Trezor hardware wallet.\n // It differs from web3.eth_sign in the encoding of message length\n // (Bitcoin varint encoding vs ascii-decimal, the latter is not\n // self-terminating which leads to ambiguities).\n // See also:\n // https://en.bitcoin.it/wiki/Protocol_documentation#Variable_length_integer\n // https://github.com/trezor/trezor-mcu/blob/master/firmware/ethereum.c#L602\n // https://github.com/trezor/trezor-mcu/blob/master/firmware/crypto.c#L36\n } else if (signatureType == SignatureType.Trezor) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n\\x20\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n }\n\n // Anything else is illegal (We do not return false because\n // the signature may actually be valid, just not in a format\n // that we currently support. In this case returning false\n // may lead the caller to incorrectly believe that the\n // signature was invalid.)\n revert(\"SIGNATURE_UNSUPPORTED\");\n }\n}\n", + "2.0.0/protocol/Exchange/MixinTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"./libs/LibExchangeErrors.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./libs/LibEIP712.sol\";\n\n\ncontract MixinTransactions is\n LibEIP712,\n MSignatureValidator,\n MTransactions\n{\n\n // Mapping of transaction hash => executed\n // This prevents transactions from being executed more than once.\n mapping (bytes32 => bool) public transactions;\n\n // Address of current transaction signer\n address public currentContextAddress;\n\n // Hash for the EIP712 ZeroEx Transaction Schema\n bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"ZeroExTransaction(\",\n \"uint256 salt,\",\n \"address signerAddress,\",\n \"bytes data\",\n \")\"\n ));\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external\n {\n // Prevent reentrancy\n require(\n currentContextAddress == address(0),\n \"REENTRANCY_ILLEGAL\"\n );\n\n bytes32 transactionHash = hashEIP712Message(hashZeroExTransaction(\n salt,\n signerAddress,\n data\n ));\n\n // Validate transaction has not been executed\n require(\n !transactions[transactionHash],\n \"INVALID_TX_HASH\"\n );\n\n // Transaction always valid if signer is sender of transaction\n if (signerAddress != msg.sender) {\n // Validate signature\n require(\n isValidSignature(\n transactionHash,\n signerAddress,\n signature\n ),\n \"INVALID_TX_SIGNATURE\"\n );\n\n // Set the current transaction signer\n currentContextAddress = signerAddress;\n }\n\n // Execute transaction\n transactions[transactionHash] = true;\n require(\n address(this).delegatecall(data),\n \"FAILED_EXECUTION\"\n );\n\n // Reset current transaction signer if it was previously updated\n if (signerAddress != msg.sender) {\n currentContextAddress = address(0);\n }\n }\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;\n bytes32 dataHash = keccak256(data);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,\n // salt,\n // bytes32(signerAddress),\n // keccak256(data)\n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, schemaHash) // hash of schema\n mstore(add(memPtr, 32), salt) // salt\n mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff)) // signerAddress\n mstore(add(memPtr, 96), dataHash) // hash of data\n\n // Compute hash\n result := keccak256(memPtr, 128)\n }\n return result;\n }\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address)\n {\n address contextAddress = currentContextAddress == address(0) ? msg.sender : currentContextAddress;\n return contextAddress;\n }\n}\n", + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibAbiEncoder.sol\";\nimport \"./mixins/MExchangeCore.sol\";\n\n\ncontract MixinWrapperFunctions is\n LibMath,\n LibFillResults,\n LibAbiEncoder,\n MExchangeCore\n{\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n require(\n fillResults.takerAssetFilledAmount == takerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return fillResults;\n }\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n // Delegate to `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := delegatecall(\n gas, // forward all gas, TODO: look into gas consumption of assert/throw\n address, // call address of this contract\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n switch success\n case 0 {\n mstore(fillResults, 0)\n mstore(add(fillResults, 32), 0)\n mstore(add(fillResults, 64), 0)\n mstore(add(fillResults, 96), 0)\n }\n case 1 {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrder(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrKillOrder(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n \n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrder(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmount(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrder(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmount(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n cancelOrder(orders[i]);\n }\n }\n\n /// @dev Fetches information for all passed in orders.\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n LibOrder.OrderInfo[] memory ordersInfo = new LibOrder.OrderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n ordersInfo[i] = getOrderInfo(orders[i]);\n }\n return ordersInfo;\n }\n}\n", + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssetProxyDispatcher {\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external;\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./IExchangeCore.sol\";\nimport \"./IMatchOrders.sol\";\nimport \"./ISignatureValidator.sol\";\nimport \"./ITransactions.sol\";\nimport \"./IAssetProxyDispatcher.sol\";\nimport \"./IWrapperFunctions.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract IExchange is\n IExchangeCore,\n IMatchOrders,\n ISignatureValidator,\n ITransactions,\n IAssetProxyDispatcher,\n IWrapperFunctions\n{}\n", + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IExchangeCore {\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external;\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrder(LibOrder.Order memory order)\n public;\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(LibOrder.Order memory order)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IMatchOrders {\n\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ISignatureValidator {\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external;\n \n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external;\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address of signer.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\n\ncontract ITransactions {\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external;\n}\n", + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IValidator {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IWallet {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IWrapperFunctions {\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public;\n\n /// @dev Fetches information for all passed in orders\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory);\n}\n", + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./LibOrder.sol\";\n\n\ncontract LibAbiEncoder {\n\n /// @dev ABI encodes calldata for `fillOrder`.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return ABI encoded calldata for `fillOrder`.\n function abiEncodeFillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n pure\n returns (bytes memory fillOrderCalldata)\n {\n // We need to call MExchangeCore.fillOrder using a delegatecall in\n // assembly so that we can intercept a call that throws. For this, we\n // need the input encoded in memory in the Ethereum ABIv2 format [1].\n\n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0x00 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 0x00 | | 1. offset to order (*) |\n // | | 0x20 | | 2. takerAssetFillAmount |\n // | | 0x40 | | 3. offset to signature (*) |\n // | Data | | 12 * 32 | order: |\n // | | 0x000 | | 1. senderAddress |\n // | | 0x020 | | 2. makerAddress |\n // | | 0x040 | | 3. takerAddress |\n // | | 0x060 | | 4. feeRecipientAddress |\n // | | 0x080 | | 5. makerAssetAmount |\n // | | 0x0A0 | | 6. takerAssetAmount |\n // | | 0x0C0 | | 7. makerFeeAmount |\n // | | 0x0E0 | | 8. takerFeeAmount |\n // | | 0x100 | | 9. expirationTimeSeconds |\n // | | 0x120 | | 10. salt |\n // | | 0x140 | | 11. Offset to makerAssetData (*) |\n // | | 0x160 | | 12. Offset to takerAssetData (*) |\n // | | 0x180 | 32 | makerAssetData Length |\n // | | 0x1A0 | ** | makerAssetData Contents |\n // | | 0x1C0 | 32 | takerAssetData Length |\n // | | 0x1E0 | ** | takerAssetData Contents |\n // | | 0x200 | 32 | signature Length |\n // | | 0x220 | ** | signature Contents |\n\n // * Offsets are calculated from the beginning of the current area: Header, Params, Data:\n // An offset stored in the Params area is calculated from the beginning of the Params section.\n // An offset stored in the Data area is calculated from the beginning of the Data section.\n\n // ** The length of dynamic array contents are stored in the field immediately preceeding the contents.\n\n // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html\n\n assembly {\n\n // Areas below may use the following variables:\n // 1. Start -- Start of this area in memory\n // 2. End -- End of this area in memory. This value may\n // be precomputed (before writing contents),\n // or it may be computed as contents are written.\n // 3. Offset -- Current offset into area. If an area's End\n // is precomputed, this variable tracks the\n // offsets of contents as they are written.\n\n /////// Setup Header Area ///////\n // Load free memory pointer\n fillOrderCalldata := mload(0x40)\n // bytes4(keccak256(\"fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)\"))\n // = 0xb4be83d5\n // Leave 0x20 bytes to store the length\n mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000)\n let headerAreaEnd := add(fillOrderCalldata, 0x24)\n\n /////// Setup Params Area ///////\n // This area is preallocated and written to later.\n // This is because we need to fill in offsets that have not yet been calculated.\n let paramsAreaStart := headerAreaEnd\n let paramsAreaEnd := add(paramsAreaStart, 0x60)\n let paramsAreaOffset := paramsAreaStart\n\n /////// Setup Data Area ///////\n let dataAreaStart := paramsAreaEnd\n let dataAreaEnd := dataAreaStart\n\n // Offset from the source data we're reading from\n let sourceOffset := order\n // arrayLenBytes and arrayLenWords track the length of a dynamically-allocated bytes array.\n let arrayLenBytes := 0\n let arrayLenWords := 0\n\n /////// Write order Struct ///////\n // Write memory location of Order, relative to the start of the\n // parameter list, then increment the paramsAreaOffset respectively.\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n // Write values for each field in the order\n // It would be nice to use a loop, but we save on gas by writing\n // the stores sequentially.\n mstore(dataAreaEnd, mload(sourceOffset)) // makerAddress\n mstore(add(dataAreaEnd, 0x20), mload(add(sourceOffset, 0x20))) // takerAddress\n mstore(add(dataAreaEnd, 0x40), mload(add(sourceOffset, 0x40))) // feeRecipientAddress\n mstore(add(dataAreaEnd, 0x60), mload(add(sourceOffset, 0x60))) // senderAddress\n mstore(add(dataAreaEnd, 0x80), mload(add(sourceOffset, 0x80))) // makerAssetAmount\n mstore(add(dataAreaEnd, 0xA0), mload(add(sourceOffset, 0xA0))) // takerAssetAmount\n mstore(add(dataAreaEnd, 0xC0), mload(add(sourceOffset, 0xC0))) // makerFeeAmount\n mstore(add(dataAreaEnd, 0xE0), mload(add(sourceOffset, 0xE0))) // takerFeeAmount\n mstore(add(dataAreaEnd, 0x100), mload(add(sourceOffset, 0x100))) // expirationTimeSeconds\n mstore(add(dataAreaEnd, 0x120), mload(add(sourceOffset, 0x120))) // salt\n mstore(add(dataAreaEnd, 0x140), mload(add(sourceOffset, 0x140))) // Offset to makerAssetData\n mstore(add(dataAreaEnd, 0x160), mload(add(sourceOffset, 0x160))) // Offset to takerAssetData\n dataAreaEnd := add(dataAreaEnd, 0x180)\n sourceOffset := add(sourceOffset, 0x180)\n\n // Write offset to \n mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x140)) // makerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Write offset to \n mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x160)) // takerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n /////// Write takerAssetFillAmount ///////\n mstore(paramsAreaOffset, takerAssetFillAmount)\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n /////// Write signature ///////\n // Write offset to paramsArea\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n\n // Calculate length of signature\n sourceOffset := signature\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of signature\n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of signature\n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Set length of calldata\n mstore(fillOrderCalldata, sub(dataAreaEnd, add(fillOrderCalldata, 0x20)))\n\n // Increment free memory pointer\n mstore(0x40, dataAreaEnd)\n }\n\n return fillOrderCalldata;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\n// solhint-disable max-line-length\ncontract LibConstants {\n \n // Asset data for ZRX token. Used for fee transfers.\n // @TODO: Hardcode constant when we deploy. Currently \n // not constant to make testing easier.\n\n // The proxyId for ZRX_ASSET_DATA is bytes4(keccak256(\"ERC20Token(address)\")) = 0xf47261b0\n \n // Kovan ZRX address is 0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570.\n // The ABI encoded proxyId and address is 0xf47261b00000000000000000000000006ff6c0ff1d68b964901f986d4c9fa3ac68346570\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x6f\\xf6\\xc0\\xff\\x1d\\x68\\xb9\\x64\\x90\\x1f\\x98\\x6d\\x4c\\x9f\\xa3\\xac\\x68\\x34\\x65\\x70\";\n \n // Mainnet ZRX address is 0xe41d2489571d322189246dafa5ebde1f4699f498.\n // The ABI encoded proxyId and address is 0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xe4\\x1d\\x24\\x89\\x57\\x1d\\x32\\x21\\x89\\x24\\x6d\\xaf\\xa5\\xeb\\xde\\x1f\\x46\\x99\\xf4\\x98\";\n \n // solhint-disable-next-line var-name-mixedcase\n bytes public ZRX_ASSET_DATA;\n\n // @TODO: Remove when we deploy.\n constructor (bytes memory zrxAssetData)\n public\n {\n ZRX_ASSET_DATA = zrxAssetData;\n }\n}\n// solhint-enable max-line-length\n", + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract LibEIP712 {\n // EIP191 header for EIP712 prefix\n string constant internal EIP191_HEADER = \"\\x19\\x01\";\n\n // EIP712 Domain Name value\n string constant internal EIP712_DOMAIN_NAME = \"0x Protocol\";\n\n // EIP712 Domain Version value\n string constant internal EIP712_DOMAIN_VERSION = \"2\";\n\n // Hash of the EIP712 Domain Separator Schema\n bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"EIP712Domain(\",\n \"string name,\",\n \"string version,\",\n \"address verifyingContract\",\n \")\"\n ));\n\n // Hash of the EIP712 Domain Separator data\n // solhint-disable-next-line var-name-mixedcase\n bytes32 public EIP712_DOMAIN_HASH;\n\n constructor ()\n public\n {\n EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(\n EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,\n keccak256(bytes(EIP712_DOMAIN_NAME)),\n keccak256(bytes(EIP712_DOMAIN_VERSION)),\n bytes32(address(this))\n ));\n }\n\n /// @dev Calculates EIP712 encoding for a hash struct in this EIP712 Domain.\n /// @param hashStruct The EIP712 hash struct.\n /// @return EIP712 hash applied to this EIP712 Domain.\n function hashEIP712Message(bytes32 hashStruct)\n internal\n view\n returns (bytes32 result)\n {\n bytes32 eip712DomainHash = EIP712_DOMAIN_HASH;\n\n // Assembly for more efficient computing:\n // keccak256(abi.encodePacked(\n // EIP191_HEADER,\n // EIP712_DOMAIN_HASH,\n // hashStruct \n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, 0x1901000000000000000000000000000000000000000000000000000000000000) // EIP191 header\n mstore(add(memPtr, 2), eip712DomainHash) // EIP712 domain hash\n mstore(add(memPtr, 34), hashStruct) // Hash of struct\n\n // Compute hash\n result := keccak256(memPtr, 66)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity 0.4.24;\n\n\n/// @dev This contract documents the revert reasons used in the Exchange contract.\n/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons.\ncontract LibExchangeErrors {\n\n /// Order validation errors ///\n string constant ORDER_UNFILLABLE = \"ORDER_UNFILLABLE\"; // Order cannot be filled.\n string constant INVALID_MAKER = \"INVALID_MAKER\"; // Invalid makerAddress.\n string constant INVALID_TAKER = \"INVALID_TAKER\"; // Invalid takerAddress.\n string constant INVALID_SENDER = \"INVALID_SENDER\"; // Invalid `msg.sender`.\n string constant INVALID_ORDER_SIGNATURE = \"INVALID_ORDER_SIGNATURE\"; // Signature validation failed. \n \n /// fillOrder validation errors ///\n string constant INVALID_TAKER_AMOUNT = \"INVALID_TAKER_AMOUNT\"; // takerAssetFillAmount cannot equal 0.\n string constant ROUNDING_ERROR = \"ROUNDING_ERROR\"; // Rounding error greater than 0.1% of takerAssetFillAmount. \n \n /// Signature validation errors ///\n string constant INVALID_SIGNATURE = \"INVALID_SIGNATURE\"; // Signature validation failed. \n string constant SIGNATURE_ILLEGAL = \"SIGNATURE_ILLEGAL\"; // Signature type is illegal.\n string constant SIGNATURE_UNSUPPORTED = \"SIGNATURE_UNSUPPORTED\"; // Signature type unsupported.\n \n /// cancelOrdersUptTo errors ///\n string constant INVALID_NEW_ORDER_EPOCH = \"INVALID_NEW_ORDER_EPOCH\"; // Specified salt must be greater than or equal to existing orderEpoch.\n\n /// fillOrKillOrder errors ///\n string constant COMPLETE_FILL_FAILED = \"COMPLETE_FILL_FAILED\"; // Desired takerAssetFillAmount could not be completely filled. \n\n /// matchOrders errors ///\n string constant NEGATIVE_SPREAD_REQUIRED = \"NEGATIVE_SPREAD_REQUIRED\"; // Matched orders must have a negative spread.\n\n /// Transaction errors ///\n string constant REENTRANCY_ILLEGAL = \"REENTRANCY_ILLEGAL\"; // Recursive reentrancy is not allowed. \n string constant INVALID_TX_HASH = \"INVALID_TX_HASH\"; // Transaction has already been executed. \n string constant INVALID_TX_SIGNATURE = \"INVALID_TX_SIGNATURE\"; // Signature validation failed. \n string constant FAILED_EXECUTION = \"FAILED_EXECUTION\"; // Transaction execution failed. \n \n /// registerAssetProxy errors ///\n string constant ASSET_PROXY_ALREADY_EXISTS = \"ASSET_PROXY_ALREADY_EXISTS\"; // AssetProxy with same id already exists.\n\n /// dispatchTransferFrom errors ///\n string constant ASSET_PROXY_DOES_NOT_EXIST = \"ASSET_PROXY_DOES_NOT_EXIST\"; // No assetProxy registered at given id.\n string constant TRANSFER_FAILED = \"TRANSFER_FAILED\"; // Asset transfer unsuccesful.\n\n /// Length validation errors ///\n string constant LENGTH_GREATER_THAN_0_REQUIRED = \"LENGTH_GREATER_THAN_0_REQUIRED\"; // Byte array must have a length greater than 0.\n string constant LENGTH_GREATER_THAN_3_REQUIRED = \"LENGTH_GREATER_THAN_3_REQUIRED\"; // Byte array must have a length greater than 3.\n string constant LENGTH_0_REQUIRED = \"LENGTH_0_REQUIRED\"; // Byte array must have a length of 0.\n string constant LENGTH_65_REQUIRED = \"LENGTH_65_REQUIRED\"; // Byte array must have a length of 65.\n}\n", + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibFillResults is\n SafeMath\n{\n\n struct FillResults {\n uint256 makerAssetFilledAmount; // Total amount of makerAsset(s) filled.\n uint256 takerAssetFilledAmount; // Total amount of takerAsset(s) filled.\n uint256 makerFeePaid; // Total amount of ZRX paid by maker(s) to feeRecipient(s).\n uint256 takerFeePaid; // Total amount of ZRX paid by taker to feeRecipients(s).\n }\n\n struct MatchedFillResults {\n FillResults left; // Amounts filled and fees paid of left order.\n FillResults right; // Amounts filled and fees paid of right order.\n uint256 leftMakerAssetSpreadAmount; // Spread between price of left and right order, denominated in the left order's makerAsset, paid to taker.\n }\n\n /// @dev Adds properties of both FillResults instances.\n /// Modifies the first FillResults instance specified.\n /// @param totalFillResults Fill results instance that will be added onto.\n /// @param singleFillResults Fill results instance that will be added to totalFillResults.\n function addFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)\n internal\n pure\n {\n totalFillResults.makerAssetFilledAmount = safeAdd(totalFillResults.makerAssetFilledAmount, singleFillResults.makerAssetFilledAmount);\n totalFillResults.takerAssetFilledAmount = safeAdd(totalFillResults.takerAssetFilledAmount, singleFillResults.takerAssetFilledAmount);\n totalFillResults.makerFeePaid = safeAdd(totalFillResults.makerFeePaid, singleFillResults.makerFeePaid);\n totalFillResults.takerFeePaid = safeAdd(totalFillResults.takerFeePaid, singleFillResults.takerFeePaid);\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibMath.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibMath is\n SafeMath\n{\n\n /// @dev Calculates partial value given a numerator and denominator.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target.\n function getPartialAmount(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Checks if rounding error > 0.1%.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingError(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n uint256 remainder = mulmod(target, numerator, denominator);\n if (remainder == 0) {\n return false; // No rounding error.\n }\n\n uint256 errPercentageTimes1000000 = safeDiv(\n safeMul(remainder, 1000000),\n safeMul(numerator, target)\n );\n isError = errPercentageTimes1000000 > 1000;\n return isError;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibOrder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./LibEIP712.sol\";\n\n\ncontract LibOrder is\n LibEIP712\n{\n\n // Hash for the EIP712 Order Schema\n bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"Order(\",\n \"address makerAddress,\",\n \"address takerAddress,\",\n \"address feeRecipientAddress,\",\n \"address senderAddress,\",\n \"uint256 makerAssetAmount,\",\n \"uint256 takerAssetAmount,\",\n \"uint256 makerFee,\",\n \"uint256 takerFee,\",\n \"uint256 expirationTimeSeconds,\",\n \"uint256 salt,\",\n \"bytes makerAssetData,\",\n \"bytes takerAssetData\",\n \")\"\n ));\n\n // A valid order remains fillable until it is expired, fully filled, or cancelled.\n // An order's state is unaffected by external factors, like account balances.\n enum OrderStatus {\n INVALID, // Default value\n INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount\n INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount\n FILLABLE, // Order is fillable\n EXPIRED, // Order has already expired\n FULLY_FILLED, // Order is fully filled\n CANCELLED // Order has been cancelled\n }\n\n // solhint-disable max-line-length\n struct Order {\n address makerAddress; // Address that created the order. \n address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order. \n address feeRecipientAddress; // Address that will recieve fees when order is filled. \n address senderAddress; // Address that is allowed to call Exchange contract methods that affect this order. If set to 0, any address is allowed to call these methods.\n uint256 makerAssetAmount; // Amount of makerAsset being offered by maker. Must be greater than 0. \n uint256 takerAssetAmount; // Amount of takerAsset being bid on by maker. Must be greater than 0. \n uint256 makerFee; // Amount of ZRX paid to feeRecipient by maker when order is filled. If set to 0, no transfer of ZRX from maker to feeRecipient will be attempted.\n uint256 takerFee; // Amount of ZRX paid to feeRecipient by taker when order is filled. If set to 0, no transfer of ZRX from taker to feeRecipient will be attempted.\n uint256 expirationTimeSeconds; // Timestamp in seconds at which order expires. \n uint256 salt; // Arbitrary number to facilitate uniqueness of the order's hash. \n bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.\n bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.\n }\n // solhint-enable max-line-length\n\n struct OrderInfo {\n uint8 orderStatus; // Status that describes order's validity and fillability.\n bytes32 orderHash; // EIP712 hash of the order (see LibOrder.getOrderHash).\n uint256 orderTakerAssetFilledAmount; // Amount of order that has already been filled.\n }\n\n /// @dev Calculates Keccak-256 hash of the order.\n /// @param order The order structure.\n /// @return Keccak-256 EIP712 hash of the order.\n function getOrderHash(Order memory order)\n internal\n view\n returns (bytes32 orderHash)\n {\n orderHash = hashEIP712Message(hashOrder(order));\n return orderHash;\n }\n\n /// @dev Calculates EIP712 hash of the order.\n /// @param order The order structure.\n /// @return EIP712 hash of the order.\n function hashOrder(Order memory order)\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ORDER_SCHEMA_HASH;\n bytes32 makerAssetDataHash = keccak256(order.makerAssetData);\n bytes32 takerAssetDataHash = keccak256(order.takerAssetData);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ORDER_SCHEMA_HASH,\n // bytes32(order.makerAddress),\n // bytes32(order.takerAddress),\n // bytes32(order.feeRecipientAddress),\n // bytes32(order.senderAddress),\n // order.makerAssetAmount,\n // order.takerAssetAmount,\n // order.makerFee,\n // order.takerFee,\n // order.expirationTimeSeconds,\n // order.salt,\n // keccak256(order.makerAssetData),\n // keccak256(order.takerAssetData)\n // ));\n\n assembly {\n // Calculate memory addresses that will be swapped out before hashing\n let pos1 := sub(order, 32)\n let pos2 := add(order, 320)\n let pos3 := add(order, 352)\n\n // Backup\n let temp1 := mload(pos1)\n let temp2 := mload(pos2)\n let temp3 := mload(pos3)\n \n // Hash in place\n mstore(pos1, schemaHash)\n mstore(pos2, makerAssetDataHash)\n mstore(pos3, takerAssetDataHash)\n result := keccak256(pos1, 416)\n \n // Restore\n mstore(pos1, temp1)\n mstore(pos2, temp2)\n mstore(pos3, temp3)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssetProxyDispatcher.sol\";\n\n\ncontract MAssetProxyDispatcher is\n IAssetProxyDispatcher\n{\n\n // Logs registration of new asset proxy\n event AssetProxyRegistered(\n bytes4 id, // Id of new registered AssetProxy.\n address assetProxy // Address of new registered AssetProxy.\n );\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IExchangeCore.sol\";\n\n\ncontract MExchangeCore is\n IExchangeCore\n{\n // Fill event is emitted whenever an order is filled.\n event Fill(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that received fees.\n address takerAddress, // Address that filled the order.\n address senderAddress, // Address that called the Exchange contract (msg.sender).\n uint256 makerAssetFilledAmount, // Amount of makerAsset sold by maker and bought by taker. \n uint256 takerAssetFilledAmount, // Amount of takerAsset sold by taker and bought by maker.\n uint256 makerFeePaid, // Amount of ZRX paid to feeRecipient by maker.\n uint256 takerFeePaid, // Amount of ZRX paid to feeRecipient by taker.\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // Cancel event is emitted whenever an individual order is cancelled.\n event Cancel(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that would have recieved fees if order was filled. \n address senderAddress, // Address that called the Exchange contract (msg.sender).\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // CancelUpTo event is emitted whenever `cancelOrdersUpTo` is executed succesfully.\n event CancelUpTo(\n address indexed makerAddress, // Orders cancelled must have been created by this address.\n address indexed senderAddress, // Orders cancelled must have a `senderAddress` equal to this address.\n uint256 orderEpoch // Orders with specified makerAddress and senderAddress with a salt less than this value are considered cancelled.\n );\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function updateFilledState(\n LibOrder.Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n LibFillResults.FillResults memory fillResults\n )\n internal;\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n LibOrder.Order memory order,\n bytes32 orderHash\n )\n internal;\n\n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo Status, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param signature Proof that the orders was created by its maker.\n function assertValidFill(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n address takerAddress,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n bytes memory signature\n )\n internal\n view;\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo\n )\n internal\n view;\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n LibOrder.Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.FillResults memory fillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IMatchOrders.sol\";\n\n\ncontract MMatchOrders is\n IMatchOrders\n{\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure;\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/ISignatureValidator.sol\";\n\n\ncontract MSignatureValidator is\n ISignatureValidator\n{\n event SignatureValidatorApproval(\n address indexed signerAddress, // Address that approves or disapproves a contract to verify signatures.\n address indexed validatorAddress, // Address of signature validator contract.\n bool approved // Approval or disapproval of validator contract.\n );\n\n // Allowed signature types.\n enum SignatureType {\n Illegal, // 0x00, default value\n Invalid, // 0x01\n EIP712, // 0x02\n EthSign, // 0x03\n Caller, // 0x04\n Wallet, // 0x05\n Validator, // 0x06\n PreSigned, // 0x07\n Trezor, // 0x08\n NSignatureTypes // 0x09, number of signature types. Always leave at end.\n }\n}\n", + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"../interfaces/ITransactions.sol\";\n\n\ncontract MTransactions is\n ITransactions\n{\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address);\n}\n", + "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/MintableERC20Token.sol\";\n\n\ncontract DummyERC20Token is \n Ownable,\n MintableERC20Token\n{\n string public name;\n string public symbol;\n uint256 public decimals;\n uint256 public constant MAX_MINT_AMOUNT = 10000000000000000000000;\n\n constructor (\n string _name,\n string _symbol,\n uint256 _decimals,\n uint256 _totalSupply\n )\n public\n {\n name = _name;\n symbol = _symbol;\n decimals = _decimals;\n _totalSupply = _totalSupply;\n balances[msg.sender] = _totalSupply;\n }\n\n /// @dev Sets the balance of target address\n /// @param _target Address or which balance will be updated\n /// @param _value New balance of target address\n function setBalance(address _target, uint256 _value)\n external\n onlyOwner\n {\n uint256 currBalance = balances[_target];\n if (_value < currBalance) {\n _totalSupply = safeSub(_totalSupply, safeSub(currBalance, _value));\n } else {\n _totalSupply = safeAdd(_totalSupply, safeSub(_value, currBalance));\n }\n balances[_target] = _value;\n }\n\n /// @dev Mints new tokens for sender\n /// @param _value Amount of tokens to mint\n function mint(uint256 _value)\n external\n {\n require(\n _value <= MAX_MINT_AMOUNT,\n \"VALUE_TOO_LARGE\"\n );\n\n _mint(msg.sender, _value);\n }\n}\n", + "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../tokens/ERC721Token/MintableERC721Token.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract DummyERC721Token is\n Ownable,\n MintableERC721Token\n{\n string public name;\n string public symbol;\n\n constructor (\n string _name,\n string _symbol\n )\n public\n {\n name = _name;\n symbol = _symbol;\n }\n\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function mint(address _to, uint256 _tokenId)\n external\n {\n _mint(_to, _tokenId);\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist or not called by contract owner\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function burn(address _owner, uint256 _tokenId)\n external\n onlyOwner\n {\n _burn(_owner, _tokenId);\n }\n}\n", + "2.0.0/tokens/ERC20Token/ERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC20Token.sol\";\n\n\ncontract ERC20Token is\n IERC20Token\n{\n\n mapping (address => uint256) internal balances;\n mapping (address => mapping (address => uint256)) internal allowed;\n\n uint256 internal _totalSupply;\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool)\n {\n require(\n balances[msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[msg.sender] -= _value;\n balances[_to] += _value;\n\n emit Transfer(\n msg.sender,\n _to,\n _value\n );\n\n return true;\n }\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowed[_from][msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n allowed[_from][msg.sender] -= _value;\n \n emit Transfer(\n _from,\n _to,\n _value\n );\n \n return true;\n }\n\n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool)\n {\n allowed[msg.sender][_spender] = _value;\n emit Approval(\n msg.sender,\n _spender,\n _value\n );\n return true;\n }\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256)\n {\n return _totalSupply;\n }\n\n /// @dev Query the balance of owner\n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n return balances[_owner];\n }\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256)\n {\n return allowed[_owner][_spender];\n }\n}\n", + "2.0.0/tokens/ERC20Token/IERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n \n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n \n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", + "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/SafeMath/SafeMath.sol\";\nimport \"./UnlimitedAllowanceERC20Token.sol\";\n\n\ncontract MintableERC20Token is \n SafeMath,\n UnlimitedAllowanceERC20Token\n{\n\n /// @dev Mints new tokens\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _value Amount of tokens to mint\n function _mint(address _to, uint256 _value)\n internal\n {\n balances[_to] = safeAdd(_value, balances[_to]);\n _totalSupply = safeAdd(_totalSupply, _value);\n\n emit Transfer(\n address(0),\n _to,\n _value\n );\n }\n\n /// @dev Mints new tokens\n /// @param _owner Owner of tokens that will be burned\n /// @param _value Amount of tokens to burn\n function _burn(address _owner, uint256 _value)\n internal\n {\n balances[_owner] = safeSub(balances[_owner], _value);\n _totalSupply = safeSub(_totalSupply, _value);\n\n emit Transfer(\n _owner,\n address(0),\n _value\n );\n }\n}\n", + "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/ERC20Token.sol\";\n\n\ncontract UnlimitedAllowanceERC20Token is\n ERC20Token\n{\n\n uint256 constant internal MAX_UINT = 2**256 - 1;\n\n /// @dev ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited allowance. See https://github.com/ethereum/EIPs/issues/717\n /// @param _from Address to transfer from.\n /// @param _to Address to transfer to.\n /// @param _value Amount to transfer.\n /// @return Success of transfer.\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n uint256 allowance = allowed[_from][msg.sender];\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowance >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n if (allowance < MAX_UINT) {\n allowed[_from][msg.sender] -= _value;\n }\n\n emit Transfer(\n _from,\n _to,\n _value\n );\n\n return true;\n }\n}\n", + "2.0.0/tokens/ERC721Token/ERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC721Token.sol\";\nimport \"./IERC721Receiver.sol\";\nimport \"../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract ERC721Token is\n IERC721Token,\n SafeMath\n{\n // Function selector for ERC721Receiver.onERC721Received\n // 0x150b7a02\n bytes4 constant internal ERC721_RECEIVED = bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"));\n\n // Mapping of tokenId => owner\n mapping (uint256 => address) internal owners;\n\n // Mapping of tokenId => approved address\n mapping (uint256 => address) internal approvals;\n\n // Mapping of owner => number of tokens owned\n mapping (address => uint256) internal balances;\n\n // Mapping of owner => operator => approved\n mapping (address => mapping (address => bool)) internal operatorApprovals;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n _data\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n \"\"\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external\n {\n address owner = ownerOf(_tokenId);\n require(\n msg.sender == owner || isApprovedForAll(owner, msg.sender),\n \"ERC721_INVALID_SENDER\"\n );\n\n approvals[_tokenId] = _approved;\n emit Approval(\n owner,\n _approved,\n _tokenId\n );\n }\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external\n {\n operatorApprovals[msg.sender][_operator] = _approved;\n emit ApprovalForAll(\n msg.sender,\n _operator,\n _approved\n );\n }\n \n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return balances[_owner];\n }\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = ownerOf(_tokenId);\n require(\n _from == owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n address spender = msg.sender;\n address approvedAddress = getApproved(_tokenId);\n require(\n spender == owner ||\n isApprovedForAll(owner, spender) ||\n approvedAddress == spender,\n \"ERC721_INVALID_SPENDER\"\n );\n\n if (approvedAddress != address(0)) {\n approvals[_tokenId] = address(0);\n }\n\n owners[_tokenId] = _to;\n balances[_from] = safeSub(balances[_from], 1);\n balances[_to] = safeAdd(balances[_to], 1);\n \n emit Transfer(\n _from,\n _to,\n _tokenId\n );\n }\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address)\n {\n address owner = owners[_tokenId];\n require(\n owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return owner;\n }\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId)\n public\n view\n returns (address)\n {\n return approvals[_tokenId];\n }\n\n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool)\n {\n return operatorApprovals[_owner][_operator];\n }\n}\n", + "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Receiver {\n\n /// @notice Handle the receipt of an NFT\n /// @dev The ERC721 smart contract calls this function on the recipient\n /// after a `transfer`. This function MAY throw to revert and reject the\n /// transfer. Return of other than the magic value MUST result in the\n /// transaction being reverted.\n /// Note: the contract address is always the message sender.\n /// @param _operator The address which called `safeTransferFrom` function\n /// @param _from The address which previously owned the token\n /// @param _tokenId The NFT identifier which is being transferred\n /// @param _data Additional data with no specified format\n /// @return `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`\n /// unless throwing\n function onERC721Received(\n address _operator,\n address _from,\n uint256 _tokenId,\n bytes _data\n )\n external\n returns (bytes4);\n}\n", + "2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Token {\n\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(\n address indexed _owner,\n address indexed _approved,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(\n address indexed _owner,\n address indexed _operator,\n bool _approved\n );\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// perator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external;\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public;\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address);\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) \n public\n view\n returns (address);\n \n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool);\n}\n", + "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./ERC721Token.sol\";\n\n\ncontract MintableERC721Token is\n ERC721Token\n{\n\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function _mint(address _to, uint256 _tokenId)\n internal\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == address(0),\n \"ERC721_OWNER_ALREADY_EXISTS\"\n );\n\n owners[_tokenId] = _to;\n balances[_to] = safeAdd(balances[_to], 1);\n\n emit Transfer(\n address(0),\n _to,\n _tokenId\n );\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function _burn(address _owner, uint256 _tokenId)\n internal\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == _owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n owners[_tokenId] = address(0);\n balances[_owner] = safeSub(balances[_owner], 1);\n\n emit Transfer(\n _owner,\n address(0),\n _tokenId\n );\n }\n}\n", + "2.0.0/tokens/EtherToken/IEtherToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/IERC20Token.sol\";\n\n\ncontract IEtherToken is\n IERC20Token\n{\n function deposit()\n public\n payable;\n \n function withdraw(uint256 amount)\n public;\n}\n", + "2.0.0/utils/LibBytes/LibBytes.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\nlibrary LibBytes {\n\n using LibBytes for bytes;\n\n /// @dev Gets the memory address for a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of byte array. This\n /// points to the header of the byte array which contains\n /// the length.\n function rawAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := input\n }\n return memoryAddress;\n }\n \n /// @dev Gets the memory address for the contents of a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of the contents of the byte array.\n function contentAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := add(input, 32)\n }\n return memoryAddress;\n }\n\n /// @dev Copies `length` bytes from memory location `source` to `dest`.\n /// @param dest memory address to copy bytes to.\n /// @param source memory address to copy bytes from.\n /// @param length number of bytes to copy.\n function memCopy(\n uint256 dest,\n uint256 source,\n uint256 length\n )\n internal\n pure\n {\n if (length < 32) {\n // Handle a partial word by reading destination and masking\n // off the bits we are interested in.\n // This correctly handles overlap, zero lengths and source == dest\n assembly {\n let mask := sub(exp(256, sub(32, length)), 1)\n let s := and(mload(source), not(mask))\n let d := and(mload(dest), mask)\n mstore(dest, or(s, d))\n }\n } else {\n // Skip the O(length) loop when source == dest.\n if (source == dest) {\n return;\n }\n\n // For large copies we copy whole words at a time. The final\n // word is aligned to the end of the range (instead of after the\n // previous) to handle partial words. So a copy will look like this:\n //\n // ####\n // ####\n // ####\n // ####\n //\n // We handle overlap in the source and destination range by\n // changing the copying direction. This prevents us from\n // overwriting parts of source that we still need to copy.\n //\n // This correctly handles source == dest\n //\n if (source > dest) {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because it\n // is easier to compare with in the loop, and these\n // are also the addresses we need for copying the\n // last bytes.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the last 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the last bytes in\n // source already due to overlap.\n let last := mload(sEnd)\n\n // Copy whole words front to back\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} lt(source, sEnd) {} {\n mstore(dest, mload(source))\n source := add(source, 32)\n dest := add(dest, 32)\n }\n \n // Write the last 32 bytes\n mstore(dEnd, last)\n }\n } else {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because those\n // are the starting points when copying a word at the end.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the first 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the first bytes in\n // source already due to overlap.\n let first := mload(source)\n\n // Copy whole words back to front\n // We use a signed comparisson here to allow dEnd to become\n // negative (happens when source and dest < 32). Valid\n // addresses in local memory will never be larger than\n // 2**255, so they can be safely re-interpreted as signed.\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} slt(dest, dEnd) {} {\n mstore(dEnd, mload(sEnd))\n sEnd := sub(sEnd, 32)\n dEnd := sub(dEnd, 32)\n }\n \n // Write the first 32 bytes\n mstore(dest, first)\n }\n }\n }\n }\n\n /// @dev Returns a slices from a byte array.\n /// @param b The byte array to take a slice from.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n function slice(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure and copy contents\n result = new bytes(to - from);\n memCopy(\n result.contentAddress(),\n b.contentAddress() + from,\n result.length);\n return result;\n }\n \n /// @dev Returns a slice from a byte array without preserving the input.\n /// @param b The byte array to take a slice from. Will be destroyed in the process.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n /// @dev When `from == 0`, the original array will match the slice. In other cases its state will be corrupted.\n function sliceDestructive(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure around [from, to) in-place.\n assembly {\n result := add(b, from)\n mstore(result, sub(to, from))\n }\n return result;\n }\n\n /// @dev Pops the last byte off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The byte that was popped off.\n function popLastByte(bytes memory b)\n internal\n pure\n returns (bytes1 result)\n {\n require(\n b.length > 0,\n \"GREATER_THAN_ZERO_LENGTH_REQUIRED\"\n );\n\n // Store last byte.\n result = b[b.length - 1];\n\n assembly {\n // Decrement length of byte array.\n let newLen := sub(mload(b), 1)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Pops the last 20 bytes off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The 20 byte address that was popped off.\n function popLast20Bytes(bytes memory b)\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= 20,\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Store last 20 bytes.\n result = readAddress(b, b.length - 20);\n\n assembly {\n // Subtract 20 from byte array length.\n let newLen := sub(mload(b), 20)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Tests equality of two byte arrays.\n /// @param lhs First byte array to compare.\n /// @param rhs Second byte array to compare.\n /// @return True if arrays are the same. False otherwise.\n function equals(\n bytes memory lhs,\n bytes memory rhs\n )\n internal\n pure\n returns (bool equal)\n {\n // Keccak gas cost is 30 + numWords * 6. This is a cheap way to compare.\n // We early exit on unequal lengths, but keccak would also correctly\n // handle this.\n return lhs.length == rhs.length && keccak256(lhs) == keccak256(rhs);\n }\n\n /// @dev Reads an address from a position in a byte array.\n /// @param b Byte array containing an address.\n /// @param index Index in byte array of address.\n /// @return address from byte array.\n function readAddress(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Read address from array memory\n assembly {\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 20-byte mask to obtain address\n result := and(mload(add(b, index)), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n return result;\n }\n\n /// @dev Writes an address into a specific position in a byte array.\n /// @param b Byte array to insert address into.\n /// @param index Index in byte array of address.\n /// @param input Address to put into byte array.\n function writeAddress(\n bytes memory b,\n uint256 index,\n address input\n )\n internal\n pure\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Store address into array memory\n assembly {\n // The address occupies 20 bytes and mstore stores 32 bytes.\n // First fetch the 32-byte word where we'll be storing the address, then\n // apply a mask so we have only the bytes in the word that the address will not occupy.\n // Then combine these bytes with the address and store the 32 bytes back to memory with mstore.\n\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 12-byte mask to obtain extra bytes occupying word of memory where we'll store the address\n let neighbors := and(\n mload(add(b, index)),\n 0xffffffffffffffffffffffff0000000000000000000000000000000000000000\n )\n \n // Make sure input address is clean.\n // (Solidity does not guarantee this)\n input := and(input, 0xffffffffffffffffffffffffffffffffffffffff)\n\n // Store the neighbors and address into memory\n mstore(add(b, index), xor(input, neighbors))\n }\n }\n\n /// @dev Reads a bytes32 value from a position in a byte array.\n /// @param b Byte array containing a bytes32 value.\n /// @param index Index in byte array of bytes32 value.\n /// @return bytes32 value from byte array.\n function readBytes32(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes32 result)\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n result := mload(add(b, index))\n }\n return result;\n }\n\n /// @dev Writes a bytes32 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes32 to put into byte array.\n function writeBytes32(\n bytes memory b,\n uint256 index,\n bytes32 input\n )\n internal\n pure\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n mstore(add(b, index), input)\n }\n }\n\n /// @dev Reads a uint256 value from a position in a byte array.\n /// @param b Byte array containing a uint256 value.\n /// @param index Index in byte array of uint256 value.\n /// @return uint256 value from byte array.\n function readUint256(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (uint256 result)\n {\n return uint256(readBytes32(b, index));\n }\n\n /// @dev Writes a uint256 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input uint256 to put into byte array.\n function writeUint256(\n bytes memory b,\n uint256 index,\n uint256 input\n )\n internal\n pure\n {\n writeBytes32(b, index, bytes32(input));\n }\n\n /// @dev Reads an unpadded bytes4 value from a position in a byte array.\n /// @param b Byte array containing a bytes4 value.\n /// @param index Index in byte array of bytes4 value.\n /// @return bytes4 value from byte array.\n function readBytes4(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes4 result)\n {\n require(\n b.length >= index + 4,\n \"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED\"\n );\n assembly {\n result := mload(add(b, 32))\n // Solidity does not require us to clean the trailing bytes.\n // We do it anyway\n result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)\n }\n return result;\n }\n\n /// @dev Reads nested bytes from a specific position.\n /// @dev NOTE: the returned value overlaps with the input value.\n /// Both should be treated as immutable.\n /// @param b Byte array containing nested bytes.\n /// @param index Index of nested bytes.\n /// @return result Nested bytes.\n function readBytesWithLength(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes memory result)\n {\n // Read length of nested bytes\n uint256 nestedBytesLength = readUint256(b, index);\n index += 32;\n\n // Assert length of is valid, given\n // length of nested bytes\n require(\n b.length >= index + nestedBytesLength,\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n \n // Return a pointer to the byte array as it exists inside `b`\n assembly {\n result := add(b, index)\n }\n return result;\n }\n\n /// @dev Inserts bytes at a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes to insert.\n function writeBytesWithLength(\n bytes memory b,\n uint256 index,\n bytes memory input\n )\n internal\n pure\n {\n // Assert length of is valid, given\n // length of input\n require(\n b.length >= index + 32 + input.length, // 32 bytes to store length\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n\n // Copy into \n memCopy(\n b.contentAddress() + index,\n input.rawAddress(), // includes length of \n input.length + 32 // +32 bytes to store length\n );\n }\n\n /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length.\n /// @param dest Byte array that will be overwritten with source bytes.\n /// @param source Byte array to copy onto dest bytes.\n function deepCopyBytes(\n bytes memory dest,\n bytes memory source\n )\n internal\n pure\n {\n uint256 sourceLen = source.length;\n // Dest length must be >= source length, or some bytes would not be copied.\n require(\n dest.length >= sourceLen,\n \"GREATER_OR_EQUAL_TO_SOURCE_BYTES_LENGTH_REQUIRED\"\n );\n memCopy(\n dest.contentAddress(),\n source.contentAddress(),\n sourceLen\n );\n }\n}\n", + "2.0.0/utils/Ownable/IOwnable.sol": "pragma solidity 0.4.24;\n\n/*\n * Ownable\n *\n * Base contract with an owner.\n * Provides onlyOwner modifier, which prevents function from running if it is called by anyone other than the owner.\n */\n\ncontract IOwnable {\n function transferOwnership(address newOwner)\n public;\n}\n", + "2.0.0/utils/Ownable/Ownable.sol": "pragma solidity 0.4.24;\n\n/*\n * Ownable\n *\n * Base contract with an owner.\n * Provides onlyOwner modifier, which prevents function from running if it is called by anyone other than the owner.\n */\n\nimport \"./IOwnable.sol\";\n\n\ncontract Ownable is IOwnable {\n address public owner;\n\n constructor ()\n public\n {\n owner = msg.sender;\n }\n\n modifier onlyOwner() {\n require(\n msg.sender == owner,\n \"ONLY_CONTRACT_OWNER\"\n );\n _;\n }\n\n function transferOwnership(address newOwner)\n public\n onlyOwner\n {\n if (newOwner != address(0)) {\n owner = newOwner;\n }\n }\n}\n", + "2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n function safeMul(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(\n c / a == b,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function safeDiv(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a / b;\n return c;\n }\n\n function safeSub(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n require(\n b <= a,\n \"UINT256_UNDERFLOW\"\n );\n return a - b;\n }\n\n function safeAdd(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a + b;\n require(\n c >= a,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function max64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n\n function max256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n}\n" + }, + "sourceTreeHashHex": "0x70b7d3c15ab87e6b4b1011d194282163232dfd88486038e4120d6bf245d58e44", + "compiler": { + "name": "solc", + "version": "soljson-v0.4.24+commit.e67f0147.js", + "settings": { + "optimizer": { + "enabled": true, + "runs": 1000000 + }, + "outputSelection": { + "*": { + "*": [ + "abi", + "evm.bytecode.object", + "evm.bytecode.sourceMap", + "evm.deployedBytecode.object", + "evm.deployedBytecode.sourceMap" + ] + } + } + } + }, + "networks": {} +} \ No newline at end of file diff --git a/packages/migrations/artifacts/2.0.0-testnet/OrderValidator.json b/packages/migrations/artifacts/2.0.0-testnet/OrderValidator.json new file mode 100644 index 000000000..4d21192f3 --- /dev/null +++ b/packages/migrations/artifacts/2.0.0-testnet/OrderValidator.json @@ -0,0 +1,885 @@ +{ + "schemaVersion": "2.0.0", + "contractName": "OrderValidator", + "compilerOutput": { + "abi": [ + { + "constant": true, + "inputs": [ + { + "components": [ + { + "name": "makerAddress", + "type": "address" + }, + { + "name": "takerAddress", + "type": "address" + }, + { + "name": "feeRecipientAddress", + "type": "address" + }, + { + "name": "senderAddress", + "type": "address" + }, + { + "name": "makerAssetAmount", + "type": "uint256" + }, + { + "name": "takerAssetAmount", + "type": "uint256" + }, + { + "name": "makerFee", + "type": "uint256" + }, + { + "name": "takerFee", + "type": "uint256" + }, + { + "name": "expirationTimeSeconds", + "type": "uint256" + }, + { + "name": "salt", + "type": "uint256" + }, + { + "name": "makerAssetData", + "type": "bytes" + }, + { + "name": "takerAssetData", + "type": "bytes" + } + ], + "name": "order", + "type": "tuple" + }, + { + "name": "takerAddress", + "type": "address" + } + ], + "name": "getOrderAndTraderInfo", + "outputs": [ + { + "components": [ + { + "name": "orderStatus", + "type": "uint8" + }, + { + "name": "orderHash", + "type": "bytes32" + }, + { + "name": "orderTakerAssetFilledAmount", + "type": "uint256" + } + ], + "name": "orderInfo", + "type": "tuple" + }, + { + "components": [ + { + "name": "makerBalance", + "type": "uint256" + }, + { + "name": "makerAllowance", + "type": "uint256" + }, + { + "name": "takerBalance", + "type": "uint256" + }, + { + "name": "takerAllowance", + "type": "uint256" + }, + { + "name": "makerZrxBalance", + "type": "uint256" + }, + { + "name": "makerZrxAllowance", + "type": "uint256" + }, + { + "name": "takerZrxBalance", + "type": "uint256" + }, + { + "name": "takerZrxAllowance", + "type": "uint256" + } + ], + "name": "traderInfo", + "type": "tuple" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "target", + "type": "address" + }, + { + "name": "assetData", + "type": "bytes" + } + ], + "name": "getBalanceAndAllowance", + "outputs": [ + { + "name": "balance", + "type": "uint256" + }, + { + "name": "allowance", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "components": [ + { + "name": "makerAddress", + "type": "address" + }, + { + "name": "takerAddress", + "type": "address" + }, + { + "name": "feeRecipientAddress", + "type": "address" + }, + { + "name": "senderAddress", + "type": "address" + }, + { + "name": "makerAssetAmount", + "type": "uint256" + }, + { + "name": "takerAssetAmount", + "type": "uint256" + }, + { + "name": "makerFee", + "type": "uint256" + }, + { + "name": "takerFee", + "type": "uint256" + }, + { + "name": "expirationTimeSeconds", + "type": "uint256" + }, + { + "name": "salt", + "type": "uint256" + }, + { + "name": "makerAssetData", + "type": "bytes" + }, + { + "name": "takerAssetData", + "type": "bytes" + } + ], + "name": "orders", + "type": "tuple[]" + }, + { + "name": "takerAddresses", + "type": "address[]" + } + ], + "name": "getOrdersAndTradersInfo", + "outputs": [ + { + "components": [ + { + "name": "orderStatus", + "type": "uint8" + }, + { + "name": "orderHash", + "type": "bytes32" + }, + { + "name": "orderTakerAssetFilledAmount", + "type": "uint256" + } + ], + "name": "ordersInfo", + "type": "tuple[]" + }, + { + "components": [ + { + "name": "makerBalance", + "type": "uint256" + }, + { + "name": "makerAllowance", + "type": "uint256" + }, + { + "name": "takerBalance", + "type": "uint256" + }, + { + "name": "takerAllowance", + "type": "uint256" + }, + { + "name": "makerZrxBalance", + "type": "uint256" + }, + { + "name": "makerZrxAllowance", + "type": "uint256" + }, + { + "name": "takerZrxBalance", + "type": "uint256" + }, + { + "name": "takerZrxAllowance", + "type": "uint256" + } + ], + "name": "tradersInfo", + "type": "tuple[]" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "components": [ + { + "name": "makerAddress", + "type": "address" + }, + { + "name": "takerAddress", + "type": "address" + }, + { + "name": "feeRecipientAddress", + "type": "address" + }, + { + "name": "senderAddress", + "type": "address" + }, + { + "name": "makerAssetAmount", + "type": "uint256" + }, + { + "name": "takerAssetAmount", + "type": "uint256" + }, + { + "name": "makerFee", + "type": "uint256" + }, + { + "name": "takerFee", + "type": "uint256" + }, + { + "name": "expirationTimeSeconds", + "type": "uint256" + }, + { + "name": "salt", + "type": "uint256" + }, + { + "name": "makerAssetData", + "type": "bytes" + }, + { + "name": "takerAssetData", + "type": "bytes" + } + ], + "name": "orders", + "type": "tuple[]" + }, + { + "name": "takerAddresses", + "type": "address[]" + } + ], + "name": "getTradersInfo", + "outputs": [ + { + "components": [ + { + "name": "makerBalance", + "type": "uint256" + }, + { + "name": "makerAllowance", + "type": "uint256" + }, + { + "name": "takerBalance", + "type": "uint256" + }, + { + "name": "takerAllowance", + "type": "uint256" + }, + { + "name": "makerZrxBalance", + "type": "uint256" + }, + { + "name": "makerZrxAllowance", + "type": "uint256" + }, + { + "name": "takerZrxBalance", + "type": "uint256" + }, + { + "name": "takerZrxAllowance", + "type": "uint256" + } + ], + "name": "", + "type": "tuple[]" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "token", + "type": "address" + }, + { + "name": "tokenId", + "type": "uint256" + } + ], + "name": "getERC721TokenOwner", + "outputs": [ + { + "name": "owner", + "type": "address" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "target", + "type": "address" + }, + { + "name": "assetData", + "type": "bytes[]" + } + ], + "name": "getBalancesAndAllowances", + "outputs": [ + { + "name": "", + "type": "uint256[]" + }, + { + "name": "", + "type": "uint256[]" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "components": [ + { + "name": "makerAddress", + "type": "address" + }, + { + "name": "takerAddress", + "type": "address" + }, + { + "name": "feeRecipientAddress", + "type": "address" + }, + { + "name": "senderAddress", + "type": "address" + }, + { + "name": "makerAssetAmount", + "type": "uint256" + }, + { + "name": "takerAssetAmount", + "type": "uint256" + }, + { + "name": "makerFee", + "type": "uint256" + }, + { + "name": "takerFee", + "type": "uint256" + }, + { + "name": "expirationTimeSeconds", + "type": "uint256" + }, + { + "name": "salt", + "type": "uint256" + }, + { + "name": "makerAssetData", + "type": "bytes" + }, + { + "name": "takerAssetData", + "type": "bytes" + } + ], + "name": "order", + "type": "tuple" + }, + { + "name": "takerAddress", + "type": "address" + } + ], + "name": "getTraderInfo", + "outputs": [ + { + "components": [ + { + "name": "makerBalance", + "type": "uint256" + }, + { + "name": "makerAllowance", + "type": "uint256" + }, + { + "name": "takerBalance", + "type": "uint256" + }, + { + "name": "takerAllowance", + "type": "uint256" + }, + { + "name": "makerZrxBalance", + "type": "uint256" + }, + { + "name": "makerZrxAllowance", + "type": "uint256" + }, + { + "name": "takerZrxBalance", + "type": "uint256" + }, + { + "name": "takerZrxAllowance", + "type": "uint256" + } + ], + "name": "traderInfo", + "type": "tuple" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "inputs": [ + { + "name": "_exchange", + "type": "address" + }, + { + "name": "_zrxAssetData", + "type": "bytes" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "constructor" + } + ], + "evm": { + "bytecode": { + "linkReferences": {}, + "object": 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0xE3 JUMPI DUP3 MLOAD DUP3 SSTORE SWAP2 PUSH1 0x20 ADD SWAP2 SWAP1 PUSH1 0x1 ADD SWAP1 PUSH3 0xC6 JUMP JUMPDEST POP PUSH3 0xF1 SWAP3 SWAP2 POP PUSH3 0xF5 JUMP JUMPDEST POP SWAP1 JUMP JUMPDEST PUSH3 0x112 SWAP2 SWAP1 JUMPDEST DUP1 DUP3 GT ISZERO PUSH3 0xF1 JUMPI PUSH1 0x0 DUP2 SSTORE PUSH1 0x1 ADD PUSH3 0xFC JUMP JUMPDEST SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH3 0x123 DUP3 MLOAD PUSH3 0x22C JUMP JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH3 0x13C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 MLOAD PUSH3 0x153 PUSH3 0x14D DUP3 PUSH3 0x204 JUMP JUMPDEST PUSH3 0x1DD JUMP JUMPDEST SWAP2 POP DUP1 DUP3 MSTORE PUSH1 0x20 DUP4 ADD PUSH1 0x20 DUP4 ADD DUP6 DUP4 DUP4 ADD GT ISZERO PUSH3 0x170 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH3 0x17D DUP4 DUP3 DUP5 PUSH3 0x238 JUMP JUMPDEST POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH3 0x19A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH3 0x1A8 DUP6 DUP6 PUSH3 0x115 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 DUP4 ADD MLOAD PUSH1 0x1 PUSH1 0x40 PUSH1 0x2 EXP SUB DUP2 GT ISZERO PUSH3 0x1C5 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH3 0x1D3 DUP6 DUP3 DUP7 ADD PUSH3 0x12A JUMP JUMPDEST SWAP2 POP POP SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x40 MLOAD DUP2 DUP2 ADD PUSH1 0x1 PUSH1 0x40 PUSH1 0x2 EXP SUB DUP2 GT DUP3 DUP3 LT OR ISZERO PUSH3 0x1FC JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x40 MSTORE SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1 PUSH1 0x40 PUSH1 0x2 EXP SUB DUP3 GT ISZERO PUSH3 0x21B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x20 PUSH1 0x1F SWAP2 SWAP1 SWAP2 ADD PUSH1 0x1F NOT AND ADD SWAP1 JUMP JUMPDEST PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB AND SWAP1 JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH3 0x255 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH3 0x23B JUMP JUMPDEST DUP4 DUP2 GT ISZERO PUSH3 0x265 JUMPI PUSH1 0x0 DUP5 DUP5 ADD MSTORE JUMPDEST POP POP POP POP JUMP JUMPDEST PUSH2 0x1ABF DUP1 PUSH3 0x27B PUSH1 0x0 CODECOPY PUSH1 0x0 RETURN STOP PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0x82 JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x4AD1E53 DUP2 EQ PUSH2 0x87 JUMPI DUP1 PUSH4 0x2CD0FC73 EQ PUSH2 0xBE JUMPI DUP1 PUSH4 0x4B95DE13 EQ PUSH2 0xEC JUMPI DUP1 PUSH4 0x690D3114 EQ PUSH2 0x11A JUMPI DUP1 PUSH4 0xB6988463 EQ PUSH2 0x147 JUMPI DUP1 PUSH4 0xC6B7F4EE EQ PUSH2 0x174 JUMPI DUP1 PUSH4 0xF241FFB0 EQ PUSH2 0x1A2 JUMPI JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x93 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xA7 PUSH2 0xA2 CALLDATASIZE PUSH1 0x4 PUSH2 0x12D3 JUMP JUMPDEST PUSH2 0x1CF JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xB5 SWAP3 SWAP2 SWAP1 PUSH2 0x18DC JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xCA JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xDE PUSH2 0xD9 CALLDATASIZE PUSH1 0x4 PUSH2 0x118B JUMP JUMPDEST PUSH2 0x29C JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xB5 SWAP3 SWAP2 SWAP1 PUSH2 0x1926 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xF8 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x10C PUSH2 0x107 CALLDATASIZE PUSH1 0x4 PUSH2 0x1238 JUMP JUMPDEST PUSH2 0x7CD JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xB5 SWAP3 SWAP2 SWAP1 PUSH2 0x1822 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x126 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x13A PUSH2 0x135 CALLDATASIZE PUSH1 0x4 PUSH2 0x1238 JUMP JUMPDEST PUSH2 0x8A4 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xB5 SWAP2 SWAP1 PUSH2 0x1858 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x153 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x167 PUSH2 0x162 CALLDATASIZE PUSH1 0x4 PUSH2 0x11D3 JUMP JUMPDEST PUSH2 0x95E JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xB5 SWAP2 SWAP1 PUSH2 0x17F9 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x180 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x194 PUSH2 0x18F CALLDATASIZE PUSH1 0x4 PUSH2 0x1139 JUMP JUMPDEST PUSH2 0x9A9 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xB5 SWAP3 SWAP2 SWAP1 PUSH2 0x1869 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1AE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1C2 PUSH2 0x1BD CALLDATASIZE PUSH1 0x4 PUSH2 0x12D3 JUMP JUMPDEST PUSH2 0xA86 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xB5 SWAP2 SWAP1 PUSH2 0x1909 JUMP JUMPDEST PUSH2 0x1D7 PUSH2 0xCD0 JUMP JUMPDEST PUSH2 0x1DF PUSH2 0xCF0 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0x40 MLOAD PUSH32 0xC75E0A8100000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP2 AND SWAP1 PUSH4 0xC75E0A81 SWAP1 PUSH2 0x235 SWAP1 DUP8 SWAP1 PUSH1 0x4 ADD PUSH2 0x18F8 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x24F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x263 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x287 SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x12B5 JUMP JUMPDEST SWAP2 POP PUSH2 0x293 DUP5 DUP5 PUSH2 0xA86 JUMP JUMPDEST SWAP1 POP SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 DUP1 DUP1 DUP1 DUP1 DUP1 PUSH2 0x2B5 DUP10 DUP3 PUSH4 0xFFFFFFFF PUSH2 0xBA4 AND JUMP JUMPDEST SWAP6 POP PUSH2 0x2C8 DUP10 PUSH1 0x10 PUSH4 0xFFFFFFFF PUSH2 0xC11 AND JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0x40 MLOAD PUSH32 0x6070410800000000000000000000000000000000000000000000000000000000 DUP2 MSTORE SWAP2 SWAP7 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 PUSH4 0x60704108 SWAP1 PUSH2 0x31F SWAP1 DUP10 SWAP1 PUSH1 0x4 ADD PUSH2 0x188E JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x339 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x34D JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x371 SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x1113 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x4552433230546F6B656E28616464726573732900000000000000000000000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x13 ADD SWAP1 KECCAK256 SWAP1 SWAP5 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP8 DUP2 AND SWAP2 AND EQ ISZERO PUSH2 0x526 JUMPI PUSH1 0x40 MLOAD PUSH32 0x70A0823100000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 AND SWAP1 PUSH4 0x70A08231 SWAP1 PUSH2 0x424 SWAP1 DUP14 SWAP1 PUSH1 0x4 ADD PUSH2 0x17F9 JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x43E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x452 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x476 SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x131A JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH32 0xDD62ED3E00000000000000000000000000000000000000000000000000000000 DUP2 MSTORE SWAP1 SWAP9 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 AND SWAP1 PUSH4 0xDD62ED3E SWAP1 PUSH2 0x4CD SWAP1 DUP14 SWAP1 DUP9 SWAP1 PUSH1 0x4 ADD PUSH2 0x1807 JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x4E7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x4FB JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x51F SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x131A JUMP JUMPDEST SWAP7 POP PUSH2 0x7C0 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x455243373231546F6B656E28616464726573732C75696E743235362900000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x1C ADD SWAP1 KECCAK256 PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP8 DUP2 AND SWAP2 AND EQ ISZERO PUSH2 0x785 JUMPI PUSH2 0x595 DUP10 PUSH1 0x24 PUSH4 0xFFFFFFFF PUSH2 0xC72 AND JUMP JUMPDEST SWAP3 POP PUSH2 0x5A1 DUP6 DUP5 PUSH2 0x95E JUMP JUMPDEST SWAP2 POP DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP11 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ PUSH2 0x5DD JUMPI PUSH1 0x0 PUSH2 0x5E0 JUMP JUMPDEST PUSH1 0x1 JUMPDEST PUSH1 0xFF AND SWAP8 POP DUP5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH4 0xE985E9C5 DUP12 DUP7 PUSH1 0x40 MLOAD DUP4 PUSH4 0xFFFFFFFF AND PUSH29 0x100000000000000000000000000000000000000000000000000000000 MUL DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x63C SWAP3 SWAP2 SWAP1 PUSH2 0x1807 JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x656 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x66A JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x68E SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x1297 JUMP JUMPDEST DUP1 PUSH2 0x76A JUMPI POP DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH4 0x81812FC DUP6 PUSH1 0x40 MLOAD DUP3 PUSH4 0xFFFFFFFF AND PUSH29 0x100000000000000000000000000000000000000000000000000000000 MUL DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x700 SWAP2 SWAP1 PUSH2 0x1918 JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x71A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x72E JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x752 SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x1113 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ JUMPDEST SWAP1 POP DUP1 PUSH2 0x778 JUMPI PUSH1 0x0 PUSH2 0x77B JUMP JUMPDEST PUSH1 0x1 JUMPDEST PUSH1 0xFF AND SWAP7 POP PUSH2 0x7C0 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x7B7 SWAP1 PUSH2 0x18AC JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST POP POP POP POP POP POP SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0x40 MLOAD PUSH32 0x7E9D74DC00000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x60 SWAP2 DUP3 SWAP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP2 AND SWAP1 PUSH4 0x7E9D74DC SWAP1 PUSH2 0x828 SWAP1 DUP8 SWAP1 PUSH1 0x4 ADD PUSH2 0x1847 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x842 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x856 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x0 DUP3 RETURNDATACOPY PUSH1 0x1F RETURNDATASIZE SWAP1 DUP2 ADD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 AND DUP3 ADD PUSH1 0x40 MSTORE PUSH2 0x89C SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x1203 JUMP JUMPDEST SWAP2 POP PUSH2 0x293 DUP5 DUP5 JUMPDEST PUSH1 0x60 PUSH1 0x0 PUSH1 0x60 PUSH1 0x0 DUP6 MLOAD SWAP3 POP DUP3 PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x8EA JUMPI DUP2 PUSH1 0x20 ADD JUMPDEST PUSH2 0x8D7 PUSH2 0xCF0 JUMP JUMPDEST DUP2 MSTORE PUSH1 0x20 ADD SWAP1 PUSH1 0x1 SWAP1 SUB SWAP1 DUP2 PUSH2 0x8CF JUMPI SWAP1 POP JUMPDEST POP SWAP2 POP PUSH1 0x0 SWAP1 POP JUMPDEST DUP1 DUP4 EQ PUSH2 0x951 JUMPI PUSH2 0x931 DUP7 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x90A JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP7 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x922 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0xA86 JUMP JUMPDEST DUP3 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x93F JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MSTORE PUSH1 0x1 ADD PUSH2 0x8F2 JUMP JUMPDEST DUP2 SWAP4 POP JUMPDEST POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x40 MLOAD PUSH32 0x6352211E00000000000000000000000000000000000000000000000000000000 DUP2 MSTORE DUP3 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x20 DUP2 PUSH1 0x24 DUP4 DUP8 GAS STATICCALL DUP1 ISZERO PUSH2 0x9A0 JUMPI DUP2 MLOAD SWAP3 POP JUMPDEST POP POP JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x0 PUSH1 0x60 DUP1 PUSH1 0x0 DUP7 MLOAD SWAP4 POP DUP4 PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x9E1 JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP3 POP DUP4 PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0xA0E JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP2 POP PUSH1 0x0 SWAP1 POP JUMPDEST DUP1 DUP5 EQ PUSH2 0xA79 JUMPI PUSH2 0xA3E DUP9 DUP9 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA2F JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x29C JUMP JUMPDEST DUP5 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA4C JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD DUP5 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA63 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD SWAP2 SWAP1 SWAP2 MSTORE MSTORE PUSH1 0x1 ADD PUSH2 0xA16 JUMP JUMPDEST POP SWAP1 SWAP7 SWAP1 SWAP6 POP SWAP4 POP POP POP POP JUMP JUMPDEST PUSH2 0xA8E PUSH2 0xCF0 JUMP JUMPDEST PUSH1 0x60 PUSH2 0xAA3 DUP5 PUSH1 0x0 ADD MLOAD DUP6 PUSH2 0x140 ADD MLOAD PUSH2 0x29C JUMP JUMPDEST PUSH1 0x20 DUP5 ADD MSTORE DUP3 MSTORE PUSH2 0x160 DUP5 ADD MLOAD PUSH2 0xABB SWAP1 DUP5 SWAP1 PUSH2 0x29C JUMP JUMPDEST PUSH1 0x60 DUP5 ADD MSTORE PUSH1 0x40 DUP1 DUP5 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0x1 DUP1 SLOAD DUP3 MLOAD PUSH1 0x20 PUSH1 0x1F PUSH1 0x2 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH2 0x100 DUP7 DUP9 AND ISZERO MUL ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV SWAP3 DUP4 ADD DUP2 SWAP1 DIV DUP2 MUL DUP3 ADD DUP2 ADD SWAP1 SWAP5 MSTORE DUP2 DUP2 MSTORE SWAP3 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0xB6A JUMPI DUP1 PUSH1 0x1F LT PUSH2 0xB3F JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0xB6A JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0xB4D JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP SWAP1 POP PUSH2 0xB7F DUP5 PUSH1 0x0 ADD MLOAD DUP3 PUSH2 0x29C JUMP JUMPDEST PUSH1 0xA0 DUP5 ADD MSTORE PUSH1 0x80 DUP4 ADD MSTORE PUSH2 0xB93 DUP4 DUP3 PUSH2 0x29C JUMP JUMPDEST PUSH1 0xE0 DUP5 ADD MSTORE PUSH1 0xC0 DUP4 ADD MSTORE POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x4 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0xBE6 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x7B7 SWAP1 PUSH2 0x18CC JUMP JUMPDEST POP ADD PUSH1 0x20 ADD MLOAD PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x14 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0xC53 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x7B7 SWAP1 PUSH2 0x18BC JUMP JUMPDEST POP ADD PUSH1 0x14 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP4 DUP4 PUSH2 0xC85 JUMP JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x20 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0xCC7 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x7B7 SWAP1 PUSH2 0x189C JUMP JUMPDEST POP ADD PUSH1 0x20 ADD MLOAD SWAP1 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x60 DUP2 ADD DUP3 MSTORE PUSH1 0x0 DUP1 DUP3 MSTORE PUSH1 0x20 DUP3 ADD DUP2 SWAP1 MSTORE SWAP2 DUP2 ADD SWAP2 SWAP1 SWAP2 MSTORE SWAP1 JUMP JUMPDEST PUSH2 0x100 PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE POP SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP3 CALLDATALOAD PUSH2 0x19D9 JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP3 MLOAD PUSH2 0x19D9 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0xD5F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0xD72 PUSH2 0xD6D DUP3 PUSH2 0x1968 JUMP JUMPDEST PUSH2 0x1941 JUMP JUMPDEST SWAP2 POP DUP2 DUP2 DUP4 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH1 0x20 DUP2 ADD SWAP1 POP DUP4 DUP6 PUSH1 0x20 DUP5 MUL DUP3 ADD GT ISZERO PUSH2 0xD97 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0xDC3 JUMPI DUP2 PUSH2 0xDAD DUP9 DUP3 PUSH2 0xD36 JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0xD9A JUMP JUMPDEST POP POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0xDDE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0xDEC PUSH2 0xD6D DUP3 PUSH2 0x1968 JUMP JUMPDEST DUP2 DUP2 MSTORE PUSH1 0x20 SWAP4 DUP5 ADD SWAP4 SWAP1 SWAP3 POP DUP3 ADD DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0xDC3 JUMPI DUP2 CALLDATALOAD DUP7 ADD PUSH2 0xE14 DUP9 DUP3 PUSH2 0xF11 JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0xDFE JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0xE3B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 MLOAD PUSH2 0xE49 PUSH2 0xD6D DUP3 PUSH2 0x1968 JUMP JUMPDEST SWAP2 POP DUP2 DUP2 DUP4 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH1 0x20 DUP2 ADD SWAP1 POP DUP4 DUP6 PUSH1 0x60 DUP5 MUL DUP3 ADD GT ISZERO PUSH2 0xE6E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0xDC3 JUMPI DUP2 PUSH2 0xE84 DUP9 DUP3 PUSH2 0xF57 JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x60 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0xE71 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0xEAD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0xEBB PUSH2 0xD6D DUP3 PUSH2 0x1968 JUMP JUMPDEST DUP2 DUP2 MSTORE PUSH1 0x20 SWAP4 DUP5 ADD SWAP4 SWAP1 SWAP3 POP DUP3 ADD DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0xDC3 JUMPI DUP2 CALLDATALOAD DUP7 ADD PUSH2 0xEE3 DUP9 DUP3 PUSH2 0xFB2 JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0xECD JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP3 MLOAD PUSH2 0x1A20 JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP3 MLOAD PUSH2 0x19F2 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0xF22 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0xF30 PUSH2 0xD6D DUP3 PUSH2 0x1989 JUMP JUMPDEST SWAP2 POP DUP1 DUP3 MSTORE PUSH1 0x20 DUP4 ADD PUSH1 0x20 DUP4 ADD DUP6 DUP4 DUP4 ADD GT ISZERO PUSH2 0xF4C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x955 DUP4 DUP3 DUP5 PUSH2 0x1A25 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x60 DUP3 DUP5 SUB SLT ISZERO PUSH2 0xF69 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0xF73 PUSH1 0x60 PUSH2 0x1941 JUMP JUMPDEST SWAP1 POP PUSH1 0x0 PUSH2 0xF81 DUP5 DUP5 PUSH2 0x1107 JUMP JUMPDEST DUP3 MSTORE POP PUSH1 0x20 PUSH2 0xF92 DUP5 DUP5 DUP4 ADD PUSH2 0xF05 JUMP JUMPDEST PUSH1 0x20 DUP4 ADD MSTORE POP PUSH1 0x40 PUSH2 0xFA6 DUP5 DUP3 DUP6 ADD PUSH2 0xF05 JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MSTORE POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x180 DUP3 DUP5 SUB SLT ISZERO PUSH2 0xFC5 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0xFD0 PUSH2 0x180 PUSH2 0x1941 JUMP JUMPDEST SWAP1 POP PUSH1 0x0 PUSH2 0xFDE DUP5 DUP5 PUSH2 0xD36 JUMP JUMPDEST DUP3 MSTORE POP PUSH1 0x20 PUSH2 0xFEF DUP5 DUP5 DUP4 ADD PUSH2 0xD36 JUMP JUMPDEST PUSH1 0x20 DUP4 ADD MSTORE POP PUSH1 0x40 PUSH2 0x1003 DUP5 DUP3 DUP6 ADD PUSH2 0xD36 JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MSTORE POP PUSH1 0x60 PUSH2 0x1017 DUP5 DUP3 DUP6 ADD PUSH2 0xD36 JUMP JUMPDEST PUSH1 0x60 DUP4 ADD MSTORE POP PUSH1 0x80 PUSH2 0x102B DUP5 DUP3 DUP6 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH1 0x80 DUP4 ADD MSTORE POP PUSH1 0xA0 PUSH2 0x103F DUP5 DUP3 DUP6 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH1 0xA0 DUP4 ADD MSTORE POP PUSH1 0xC0 PUSH2 0x1053 DUP5 DUP3 DUP6 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH1 0xC0 DUP4 ADD MSTORE POP PUSH1 0xE0 PUSH2 0x1067 DUP5 DUP3 DUP6 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH1 0xE0 DUP4 ADD MSTORE POP PUSH2 0x100 PUSH2 0x107C DUP5 DUP3 DUP6 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH2 0x100 DUP4 ADD MSTORE POP PUSH2 0x120 PUSH2 0x1092 DUP5 DUP3 DUP6 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH2 0x120 DUP4 ADD MSTORE POP PUSH2 0x140 DUP3 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x10B4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x10C0 DUP5 DUP3 DUP6 ADD PUSH2 0xF11 JUMP JUMPDEST PUSH2 0x140 DUP4 ADD MSTORE POP PUSH2 0x160 DUP3 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x10E2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x10EE DUP5 DUP3 DUP6 ADD PUSH2 0xF11 JUMP JUMPDEST PUSH2 0x160 DUP4 ADD MSTORE POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP3 CALLDATALOAD PUSH2 0x19F2 JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP3 MLOAD PUSH2 0x1A1A JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x1125 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x1131 DUP5 DUP5 PUSH2 0xD42 JUMP JUMPDEST SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x114C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x1158 DUP6 DUP6 PUSH2 0xD36 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 DUP4 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1175 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1181 DUP6 DUP3 DUP7 ADD PUSH2 0xDCD JUMP JUMPDEST SWAP2 POP POP SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x119E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x11AA DUP6 DUP6 PUSH2 0xD36 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 DUP4 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x11C7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1181 DUP6 DUP3 DUP7 ADD PUSH2 0xF11 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x11E6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x11F2 DUP6 DUP6 PUSH2 0xD36 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 PUSH2 0x1181 DUP6 DUP3 DUP7 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x1215 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 MLOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x122C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1131 DUP5 DUP3 DUP6 ADD PUSH2 0xE2A JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x124B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP3 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1262 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x126E DUP6 DUP3 DUP7 ADD PUSH2 0xE9C JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 DUP4 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x128B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1181 DUP6 DUP3 DUP7 ADD PUSH2 0xD4E JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x12A9 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x1131 DUP5 DUP5 PUSH2 0xEF9 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x60 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x12C7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x1131 DUP5 DUP5 PUSH2 0xF57 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x12E6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP3 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x12FD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1309 DUP6 DUP3 DUP7 ADD PUSH2 0xFB2 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 PUSH2 0x1181 DUP6 DUP3 DUP7 ADD PUSH2 0xD36 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x132C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x1131 DUP5 DUP5 PUSH2 0xF05 JUMP JUMPDEST PUSH2 0x1341 DUP2 PUSH2 0x19D9 JUMP JUMPDEST DUP3 MSTORE POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x1352 DUP3 PUSH2 0x19D5 JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH2 0x1364 DUP4 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP3 DUP2 LT ISZERO PUSH2 0x1394 JUMPI PUSH2 0x137A DUP7 DUP4 MLOAD PUSH2 0x1619 JUMP JUMPDEST PUSH2 0x1383 DUP3 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x60 SWAP7 SWAP1 SWAP7 ADD SWAP6 SWAP2 POP PUSH1 0x1 ADD PUSH2 0x1367 JUMP JUMPDEST POP SWAP4 SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x13A9 DUP3 PUSH2 0x19D5 JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP DUP4 PUSH1 0x20 DUP3 MUL DUP6 ADD PUSH2 0x13C2 DUP6 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP5 DUP2 LT ISZERO PUSH2 0x13F9 JUMPI DUP4 DUP4 SUB DUP9 MSTORE PUSH2 0x13DD DUP4 DUP4 MLOAD PUSH2 0x1656 JUMP JUMPDEST SWAP3 POP PUSH2 0x13E8 DUP3 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x20 SWAP9 SWAP1 SWAP9 ADD SWAP8 SWAP2 POP PUSH1 0x1 ADD PUSH2 0x13C5 JUMP JUMPDEST POP SWAP1 SWAP7 SWAP6 POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x1410 DUP3 PUSH2 0x19D5 JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH2 0x1422 DUP4 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP3 DUP2 LT ISZERO PUSH2 0x1394 JUMPI PUSH2 0x1438 DUP7 DUP4 MLOAD PUSH2 0x1759 JUMP JUMPDEST PUSH2 0x1441 DUP3 PUSH2 0x19CF JUMP JUMPDEST PUSH2 0x100 SWAP7 SWAP1 SWAP7 ADD SWAP6 SWAP2 POP PUSH1 0x1 ADD PUSH2 0x1425 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x145E DUP3 PUSH2 0x19D5 JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH2 0x1470 DUP4 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP3 DUP2 LT ISZERO PUSH2 0x1394 JUMPI PUSH2 0x1486 DUP7 DUP4 MLOAD PUSH2 0x14A0 JUMP JUMPDEST PUSH2 0x148F DUP3 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x20 SWAP7 SWAP1 SWAP7 ADD SWAP6 SWAP2 POP PUSH1 0x1 ADD PUSH2 0x1473 JUMP JUMPDEST PUSH2 0x1341 DUP2 PUSH2 0x19F2 JUMP JUMPDEST PUSH2 0x1341 DUP2 PUSH2 0x19F5 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x14BD DUP3 PUSH2 0x19D5 JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH2 0x14D1 DUP2 PUSH1 0x20 DUP7 ADD PUSH1 0x20 DUP7 ADD PUSH2 0x1A31 JUMP JUMPDEST PUSH2 0x14DA DUP2 PUSH2 0x1A5D JUMP JUMPDEST SWAP1 SWAP4 ADD PUSH1 0x20 ADD SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x26 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F33325F4C454E4754485F5245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5155495245440000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x17 DUP2 MSTORE PUSH32 0x554E535550504F525445445F41535345545F50524F5859000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x26 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F32305F4C454E4754485F5245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5155495245440000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x25 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F345F4C454E4754485F524551 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5549524544000000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST DUP1 MLOAD PUSH1 0x60 DUP4 ADD SWAP1 PUSH2 0x162A DUP5 DUP3 PUSH2 0x17F0 JUMP JUMPDEST POP PUSH1 0x20 DUP3 ADD MLOAD PUSH2 0x163D PUSH1 0x20 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0x40 DUP3 ADD MLOAD PUSH2 0x1650 PUSH1 0x40 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP POP POP POP JUMP JUMPDEST DUP1 MLOAD PUSH1 0x0 SWAP1 PUSH2 0x180 DUP5 ADD SWAP1 PUSH2 0x166B DUP6 DUP3 PUSH2 0x1338 JUMP JUMPDEST POP PUSH1 0x20 DUP4 ADD MLOAD PUSH2 0x167E PUSH1 0x20 DUP7 ADD DUP3 PUSH2 0x1338 JUMP JUMPDEST POP PUSH1 0x40 DUP4 ADD MLOAD PUSH2 0x1691 PUSH1 0x40 DUP7 ADD DUP3 PUSH2 0x1338 JUMP JUMPDEST POP PUSH1 0x60 DUP4 ADD MLOAD PUSH2 0x16A4 PUSH1 0x60 DUP7 ADD DUP3 PUSH2 0x1338 JUMP JUMPDEST POP PUSH1 0x80 DUP4 ADD MLOAD PUSH2 0x16B7 PUSH1 0x80 DUP7 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0xA0 DUP4 ADD MLOAD PUSH2 0x16CA PUSH1 0xA0 DUP7 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0xC0 DUP4 ADD MLOAD PUSH2 0x16DD PUSH1 0xC0 DUP7 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0xE0 DUP4 ADD MLOAD PUSH2 0x16F0 PUSH1 0xE0 DUP7 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH2 0x100 DUP4 ADD MLOAD PUSH2 0x1705 PUSH2 0x100 DUP7 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH2 0x120 DUP4 ADD MLOAD PUSH2 0x171A PUSH2 0x120 DUP7 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH2 0x140 DUP4 ADD MLOAD DUP5 DUP3 SUB PUSH2 0x140 DUP7 ADD MSTORE PUSH2 0x1734 DUP3 DUP3 PUSH2 0x14B2 JUMP JUMPDEST SWAP2 POP POP PUSH2 0x160 DUP4 ADD MLOAD DUP5 DUP3 SUB PUSH2 0x160 DUP7 ADD MSTORE PUSH2 0x1750 DUP3 DUP3 PUSH2 0x14B2 JUMP JUMPDEST SWAP6 SWAP5 POP POP POP POP POP JUMP JUMPDEST DUP1 MLOAD PUSH2 0x100 DUP4 ADD SWAP1 PUSH2 0x176B DUP5 DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0x20 DUP3 ADD MLOAD PUSH2 0x177E PUSH1 0x20 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0x40 DUP3 ADD MLOAD PUSH2 0x1791 PUSH1 0x40 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0x60 DUP3 ADD MLOAD PUSH2 0x17A4 PUSH1 0x60 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0x80 DUP3 ADD MLOAD PUSH2 0x17B7 PUSH1 0x80 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0xA0 DUP3 ADD MLOAD PUSH2 0x17CA PUSH1 0xA0 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0xC0 DUP3 ADD MLOAD PUSH2 0x17DD PUSH1 0xC0 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0xE0 DUP3 ADD MLOAD PUSH2 0x1650 PUSH1 0xE0 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST PUSH2 0x1341 DUP2 PUSH2 0x1A1A JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x9A3 DUP3 DUP5 PUSH2 0x1338 JUMP JUMPDEST PUSH1 0x40 DUP2 ADD PUSH2 0x1815 DUP3 DUP6 PUSH2 0x1338 JUMP JUMPDEST PUSH2 0xC7E PUSH1 0x20 DUP4 ADD DUP5 PUSH2 0x1338 JUMP JUMPDEST PUSH1 0x40 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x1833 DUP2 DUP6 PUSH2 0x1347 JUMP JUMPDEST SWAP1 POP DUP2 DUP2 SUB PUSH1 0x20 DUP4 ADD MSTORE PUSH2 0x1131 DUP2 DUP5 PUSH2 0x1405 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0xC7E DUP2 DUP5 PUSH2 0x139E JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0xC7E DUP2 DUP5 PUSH2 0x1405 JUMP JUMPDEST PUSH1 0x40 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x187A DUP2 DUP6 PUSH2 0x1453 JUMP JUMPDEST SWAP1 POP DUP2 DUP2 SUB PUSH1 0x20 DUP4 ADD MSTORE PUSH2 0x1131 DUP2 DUP5 PUSH2 0x1453 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x9A3 DUP3 DUP5 PUSH2 0x14A9 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x9A3 DUP2 PUSH2 0x14E7 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x9A3 DUP2 PUSH2 0x153D JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x9A3 DUP2 PUSH2 0x156D JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x9A3 DUP2 PUSH2 0x15C3 JUMP JUMPDEST PUSH2 0x160 DUP2 ADD PUSH2 0x18EB DUP3 DUP6 PUSH2 0x1619 JUMP JUMPDEST PUSH2 0xC7E PUSH1 0x60 DUP4 ADD DUP5 PUSH2 0x1759 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0xC7E DUP2 DUP5 PUSH2 0x1656 JUMP JUMPDEST PUSH2 0x100 DUP2 ADD PUSH2 0x9A3 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JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xB5 SWAP3 SWAP2 SWAP1 PUSH2 0x1926 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xF8 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x10C PUSH2 0x107 CALLDATASIZE PUSH1 0x4 PUSH2 0x1238 JUMP JUMPDEST PUSH2 0x7CD JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xB5 SWAP3 SWAP2 SWAP1 PUSH2 0x1822 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x126 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x13A PUSH2 0x135 CALLDATASIZE PUSH1 0x4 PUSH2 0x1238 JUMP JUMPDEST PUSH2 0x8A4 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xB5 SWAP2 SWAP1 PUSH2 0x1858 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x153 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x167 PUSH2 0x162 CALLDATASIZE PUSH1 0x4 PUSH2 0x11D3 JUMP JUMPDEST PUSH2 0x95E JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xB5 SWAP2 SWAP1 PUSH2 0x17F9 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x180 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x194 PUSH2 0x18F CALLDATASIZE PUSH1 0x4 PUSH2 0x1139 JUMP JUMPDEST PUSH2 0x9A9 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xB5 SWAP3 SWAP2 SWAP1 PUSH2 0x1869 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1AE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1C2 PUSH2 0x1BD CALLDATASIZE PUSH1 0x4 PUSH2 0x12D3 JUMP JUMPDEST PUSH2 0xA86 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xB5 SWAP2 SWAP1 PUSH2 0x1909 JUMP JUMPDEST PUSH2 0x1D7 PUSH2 0xCD0 JUMP JUMPDEST PUSH2 0x1DF PUSH2 0xCF0 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0x40 MLOAD PUSH32 0xC75E0A8100000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP2 AND SWAP1 PUSH4 0xC75E0A81 SWAP1 PUSH2 0x235 SWAP1 DUP8 SWAP1 PUSH1 0x4 ADD PUSH2 0x18F8 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x24F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x263 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x287 SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x12B5 JUMP JUMPDEST SWAP2 POP PUSH2 0x293 DUP5 DUP5 PUSH2 0xA86 JUMP JUMPDEST SWAP1 POP SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 DUP1 DUP1 DUP1 DUP1 DUP1 PUSH2 0x2B5 DUP10 DUP3 PUSH4 0xFFFFFFFF PUSH2 0xBA4 AND JUMP JUMPDEST SWAP6 POP PUSH2 0x2C8 DUP10 PUSH1 0x10 PUSH4 0xFFFFFFFF PUSH2 0xC11 AND JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0x40 MLOAD PUSH32 0x6070410800000000000000000000000000000000000000000000000000000000 DUP2 MSTORE SWAP2 SWAP7 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 PUSH4 0x60704108 SWAP1 PUSH2 0x31F SWAP1 DUP10 SWAP1 PUSH1 0x4 ADD PUSH2 0x188E JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x339 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x34D JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x371 SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x1113 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x4552433230546F6B656E28616464726573732900000000000000000000000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x13 ADD SWAP1 KECCAK256 SWAP1 SWAP5 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP8 DUP2 AND SWAP2 AND EQ ISZERO PUSH2 0x526 JUMPI PUSH1 0x40 MLOAD PUSH32 0x70A0823100000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 AND SWAP1 PUSH4 0x70A08231 SWAP1 PUSH2 0x424 SWAP1 DUP14 SWAP1 PUSH1 0x4 ADD PUSH2 0x17F9 JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x43E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x452 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x476 SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x131A JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH32 0xDD62ED3E00000000000000000000000000000000000000000000000000000000 DUP2 MSTORE SWAP1 SWAP9 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 AND SWAP1 PUSH4 0xDD62ED3E SWAP1 PUSH2 0x4CD SWAP1 DUP14 SWAP1 DUP9 SWAP1 PUSH1 0x4 ADD PUSH2 0x1807 JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x4E7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x4FB JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x51F SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x131A JUMP JUMPDEST SWAP7 POP PUSH2 0x7C0 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x455243373231546F6B656E28616464726573732C75696E743235362900000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x1C ADD SWAP1 KECCAK256 PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP8 DUP2 AND SWAP2 AND EQ ISZERO PUSH2 0x785 JUMPI PUSH2 0x595 DUP10 PUSH1 0x24 PUSH4 0xFFFFFFFF PUSH2 0xC72 AND JUMP JUMPDEST SWAP3 POP PUSH2 0x5A1 DUP6 DUP5 PUSH2 0x95E JUMP JUMPDEST SWAP2 POP DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP11 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ PUSH2 0x5DD JUMPI PUSH1 0x0 PUSH2 0x5E0 JUMP JUMPDEST PUSH1 0x1 JUMPDEST PUSH1 0xFF AND SWAP8 POP DUP5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH4 0xE985E9C5 DUP12 DUP7 PUSH1 0x40 MLOAD DUP4 PUSH4 0xFFFFFFFF AND PUSH29 0x100000000000000000000000000000000000000000000000000000000 MUL DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x63C SWAP3 SWAP2 SWAP1 PUSH2 0x1807 JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x656 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x66A JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x68E SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x1297 JUMP JUMPDEST DUP1 PUSH2 0x76A JUMPI POP DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH4 0x81812FC DUP6 PUSH1 0x40 MLOAD DUP3 PUSH4 0xFFFFFFFF AND PUSH29 0x100000000000000000000000000000000000000000000000000000000 MUL DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x700 SWAP2 SWAP1 PUSH2 0x1918 JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x71A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x72E JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x752 SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x1113 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ JUMPDEST SWAP1 POP DUP1 PUSH2 0x778 JUMPI PUSH1 0x0 PUSH2 0x77B JUMP JUMPDEST PUSH1 0x1 JUMPDEST PUSH1 0xFF AND SWAP7 POP PUSH2 0x7C0 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x7B7 SWAP1 PUSH2 0x18AC JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST POP POP POP POP POP POP SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0x40 MLOAD PUSH32 0x7E9D74DC00000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x60 SWAP2 DUP3 SWAP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP2 AND SWAP1 PUSH4 0x7E9D74DC SWAP1 PUSH2 0x828 SWAP1 DUP8 SWAP1 PUSH1 0x4 ADD PUSH2 0x1847 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x842 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x856 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x0 DUP3 RETURNDATACOPY PUSH1 0x1F RETURNDATASIZE SWAP1 DUP2 ADD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 AND DUP3 ADD PUSH1 0x40 MSTORE PUSH2 0x89C SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x1203 JUMP JUMPDEST SWAP2 POP PUSH2 0x293 DUP5 DUP5 JUMPDEST PUSH1 0x60 PUSH1 0x0 PUSH1 0x60 PUSH1 0x0 DUP6 MLOAD SWAP3 POP DUP3 PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x8EA JUMPI DUP2 PUSH1 0x20 ADD JUMPDEST PUSH2 0x8D7 PUSH2 0xCF0 JUMP JUMPDEST DUP2 MSTORE PUSH1 0x20 ADD SWAP1 PUSH1 0x1 SWAP1 SUB SWAP1 DUP2 PUSH2 0x8CF JUMPI SWAP1 POP JUMPDEST POP SWAP2 POP PUSH1 0x0 SWAP1 POP JUMPDEST DUP1 DUP4 EQ PUSH2 0x951 JUMPI PUSH2 0x931 DUP7 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x90A JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP7 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x922 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0xA86 JUMP JUMPDEST DUP3 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x93F JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MSTORE PUSH1 0x1 ADD PUSH2 0x8F2 JUMP JUMPDEST DUP2 SWAP4 POP JUMPDEST POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x40 MLOAD PUSH32 0x6352211E00000000000000000000000000000000000000000000000000000000 DUP2 MSTORE DUP3 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x20 DUP2 PUSH1 0x24 DUP4 DUP8 GAS STATICCALL DUP1 ISZERO PUSH2 0x9A0 JUMPI DUP2 MLOAD SWAP3 POP JUMPDEST POP POP JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x0 PUSH1 0x60 DUP1 PUSH1 0x0 DUP7 MLOAD SWAP4 POP DUP4 PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x9E1 JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP3 POP DUP4 PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0xA0E JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP2 POP PUSH1 0x0 SWAP1 POP JUMPDEST DUP1 DUP5 EQ PUSH2 0xA79 JUMPI PUSH2 0xA3E DUP9 DUP9 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA2F JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x29C JUMP JUMPDEST DUP5 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA4C JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD DUP5 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA63 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD SWAP2 SWAP1 SWAP2 MSTORE MSTORE PUSH1 0x1 ADD PUSH2 0xA16 JUMP JUMPDEST POP SWAP1 SWAP7 SWAP1 SWAP6 POP SWAP4 POP POP POP POP JUMP JUMPDEST PUSH2 0xA8E PUSH2 0xCF0 JUMP JUMPDEST PUSH1 0x60 PUSH2 0xAA3 DUP5 PUSH1 0x0 ADD MLOAD DUP6 PUSH2 0x140 ADD MLOAD PUSH2 0x29C JUMP JUMPDEST PUSH1 0x20 DUP5 ADD MSTORE DUP3 MSTORE PUSH2 0x160 DUP5 ADD MLOAD PUSH2 0xABB SWAP1 DUP5 SWAP1 PUSH2 0x29C JUMP JUMPDEST PUSH1 0x60 DUP5 ADD MSTORE PUSH1 0x40 DUP1 DUP5 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0x1 DUP1 SLOAD DUP3 MLOAD PUSH1 0x20 PUSH1 0x1F PUSH1 0x2 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH2 0x100 DUP7 DUP9 AND ISZERO MUL ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV SWAP3 DUP4 ADD DUP2 SWAP1 DIV DUP2 MUL DUP3 ADD DUP2 ADD SWAP1 SWAP5 MSTORE DUP2 DUP2 MSTORE SWAP3 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0xB6A JUMPI DUP1 PUSH1 0x1F LT PUSH2 0xB3F JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0xB6A JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0xB4D JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP SWAP1 POP PUSH2 0xB7F DUP5 PUSH1 0x0 ADD MLOAD DUP3 PUSH2 0x29C JUMP JUMPDEST PUSH1 0xA0 DUP5 ADD MSTORE PUSH1 0x80 DUP4 ADD MSTORE PUSH2 0xB93 DUP4 DUP3 PUSH2 0x29C JUMP JUMPDEST PUSH1 0xE0 DUP5 ADD MSTORE PUSH1 0xC0 DUP4 ADD MSTORE POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x4 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0xBE6 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x7B7 SWAP1 PUSH2 0x18CC JUMP JUMPDEST POP ADD PUSH1 0x20 ADD MLOAD PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x14 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0xC53 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x7B7 SWAP1 PUSH2 0x18BC JUMP JUMPDEST POP ADD PUSH1 0x14 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP4 DUP4 PUSH2 0xC85 JUMP JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x20 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0xCC7 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x7B7 SWAP1 PUSH2 0x189C JUMP JUMPDEST POP ADD PUSH1 0x20 ADD MLOAD SWAP1 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x60 DUP2 ADD DUP3 MSTORE PUSH1 0x0 DUP1 DUP3 MSTORE PUSH1 0x20 DUP3 ADD DUP2 SWAP1 MSTORE SWAP2 DUP2 ADD SWAP2 SWAP1 SWAP2 MSTORE SWAP1 JUMP JUMPDEST PUSH2 0x100 PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE POP SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP3 CALLDATALOAD PUSH2 0x19D9 JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP3 MLOAD PUSH2 0x19D9 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0xD5F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0xD72 PUSH2 0xD6D DUP3 PUSH2 0x1968 JUMP JUMPDEST PUSH2 0x1941 JUMP JUMPDEST SWAP2 POP DUP2 DUP2 DUP4 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH1 0x20 DUP2 ADD SWAP1 POP DUP4 DUP6 PUSH1 0x20 DUP5 MUL DUP3 ADD GT ISZERO PUSH2 0xD97 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0xDC3 JUMPI DUP2 PUSH2 0xDAD DUP9 DUP3 PUSH2 0xD36 JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0xD9A JUMP JUMPDEST POP POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0xDDE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0xDEC PUSH2 0xD6D DUP3 PUSH2 0x1968 JUMP JUMPDEST DUP2 DUP2 MSTORE PUSH1 0x20 SWAP4 DUP5 ADD SWAP4 SWAP1 SWAP3 POP DUP3 ADD DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0xDC3 JUMPI DUP2 CALLDATALOAD DUP7 ADD PUSH2 0xE14 DUP9 DUP3 PUSH2 0xF11 JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0xDFE JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0xE3B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 MLOAD PUSH2 0xE49 PUSH2 0xD6D DUP3 PUSH2 0x1968 JUMP JUMPDEST SWAP2 POP DUP2 DUP2 DUP4 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH1 0x20 DUP2 ADD SWAP1 POP DUP4 DUP6 PUSH1 0x60 DUP5 MUL DUP3 ADD GT ISZERO PUSH2 0xE6E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0xDC3 JUMPI DUP2 PUSH2 0xE84 DUP9 DUP3 PUSH2 0xF57 JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x60 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0xE71 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0xEAD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0xEBB PUSH2 0xD6D DUP3 PUSH2 0x1968 JUMP JUMPDEST DUP2 DUP2 MSTORE PUSH1 0x20 SWAP4 DUP5 ADD SWAP4 SWAP1 SWAP3 POP DUP3 ADD DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0xDC3 JUMPI DUP2 CALLDATALOAD DUP7 ADD PUSH2 0xEE3 DUP9 DUP3 PUSH2 0xFB2 JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0xECD JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP3 MLOAD PUSH2 0x1A20 JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP3 MLOAD PUSH2 0x19F2 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0xF22 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0xF30 PUSH2 0xD6D DUP3 PUSH2 0x1989 JUMP JUMPDEST SWAP2 POP DUP1 DUP3 MSTORE PUSH1 0x20 DUP4 ADD PUSH1 0x20 DUP4 ADD DUP6 DUP4 DUP4 ADD GT ISZERO PUSH2 0xF4C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x955 DUP4 DUP3 DUP5 PUSH2 0x1A25 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x60 DUP3 DUP5 SUB SLT ISZERO PUSH2 0xF69 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0xF73 PUSH1 0x60 PUSH2 0x1941 JUMP JUMPDEST SWAP1 POP PUSH1 0x0 PUSH2 0xF81 DUP5 DUP5 PUSH2 0x1107 JUMP JUMPDEST DUP3 MSTORE POP PUSH1 0x20 PUSH2 0xF92 DUP5 DUP5 DUP4 ADD PUSH2 0xF05 JUMP JUMPDEST PUSH1 0x20 DUP4 ADD MSTORE POP PUSH1 0x40 PUSH2 0xFA6 DUP5 DUP3 DUP6 ADD PUSH2 0xF05 JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MSTORE POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x180 DUP3 DUP5 SUB SLT ISZERO PUSH2 0xFC5 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0xFD0 PUSH2 0x180 PUSH2 0x1941 JUMP JUMPDEST SWAP1 POP PUSH1 0x0 PUSH2 0xFDE DUP5 DUP5 PUSH2 0xD36 JUMP JUMPDEST DUP3 MSTORE POP PUSH1 0x20 PUSH2 0xFEF DUP5 DUP5 DUP4 ADD PUSH2 0xD36 JUMP JUMPDEST PUSH1 0x20 DUP4 ADD MSTORE POP PUSH1 0x40 PUSH2 0x1003 DUP5 DUP3 DUP6 ADD PUSH2 0xD36 JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MSTORE POP PUSH1 0x60 PUSH2 0x1017 DUP5 DUP3 DUP6 ADD PUSH2 0xD36 JUMP JUMPDEST PUSH1 0x60 DUP4 ADD MSTORE POP PUSH1 0x80 PUSH2 0x102B DUP5 DUP3 DUP6 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH1 0x80 DUP4 ADD MSTORE POP PUSH1 0xA0 PUSH2 0x103F DUP5 DUP3 DUP6 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH1 0xA0 DUP4 ADD MSTORE POP PUSH1 0xC0 PUSH2 0x1053 DUP5 DUP3 DUP6 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH1 0xC0 DUP4 ADD MSTORE POP PUSH1 0xE0 PUSH2 0x1067 DUP5 DUP3 DUP6 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH1 0xE0 DUP4 ADD MSTORE POP PUSH2 0x100 PUSH2 0x107C DUP5 DUP3 DUP6 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH2 0x100 DUP4 ADD MSTORE POP PUSH2 0x120 PUSH2 0x1092 DUP5 DUP3 DUP6 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH2 0x120 DUP4 ADD MSTORE POP PUSH2 0x140 DUP3 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x10B4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x10C0 DUP5 DUP3 DUP6 ADD PUSH2 0xF11 JUMP JUMPDEST PUSH2 0x140 DUP4 ADD MSTORE POP PUSH2 0x160 DUP3 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x10E2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x10EE DUP5 DUP3 DUP6 ADD PUSH2 0xF11 JUMP JUMPDEST PUSH2 0x160 DUP4 ADD MSTORE POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP3 CALLDATALOAD PUSH2 0x19F2 JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP3 MLOAD PUSH2 0x1A1A JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x1125 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x1131 DUP5 DUP5 PUSH2 0xD42 JUMP JUMPDEST SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x114C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x1158 DUP6 DUP6 PUSH2 0xD36 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 DUP4 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1175 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1181 DUP6 DUP3 DUP7 ADD PUSH2 0xDCD JUMP JUMPDEST SWAP2 POP POP SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x119E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x11AA DUP6 DUP6 PUSH2 0xD36 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 DUP4 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x11C7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1181 DUP6 DUP3 DUP7 ADD PUSH2 0xF11 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x11E6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x11F2 DUP6 DUP6 PUSH2 0xD36 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 PUSH2 0x1181 DUP6 DUP3 DUP7 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x1215 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 MLOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x122C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1131 DUP5 DUP3 DUP6 ADD PUSH2 0xE2A JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x124B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP3 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1262 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x126E DUP6 DUP3 DUP7 ADD PUSH2 0xE9C JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 DUP4 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x128B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1181 DUP6 DUP3 DUP7 ADD PUSH2 0xD4E JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x12A9 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x1131 DUP5 DUP5 PUSH2 0xEF9 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x60 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x12C7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x1131 DUP5 DUP5 PUSH2 0xF57 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x12E6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP3 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x12FD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1309 DUP6 DUP3 DUP7 ADD PUSH2 0xFB2 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 PUSH2 0x1181 DUP6 DUP3 DUP7 ADD PUSH2 0xD36 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x132C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x1131 DUP5 DUP5 PUSH2 0xF05 JUMP JUMPDEST PUSH2 0x1341 DUP2 PUSH2 0x19D9 JUMP JUMPDEST DUP3 MSTORE POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x1352 DUP3 PUSH2 0x19D5 JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH2 0x1364 DUP4 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP3 DUP2 LT ISZERO PUSH2 0x1394 JUMPI PUSH2 0x137A DUP7 DUP4 MLOAD PUSH2 0x1619 JUMP JUMPDEST PUSH2 0x1383 DUP3 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x60 SWAP7 SWAP1 SWAP7 ADD SWAP6 SWAP2 POP PUSH1 0x1 ADD PUSH2 0x1367 JUMP JUMPDEST POP SWAP4 SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x13A9 DUP3 PUSH2 0x19D5 JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP DUP4 PUSH1 0x20 DUP3 MUL DUP6 ADD PUSH2 0x13C2 DUP6 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP5 DUP2 LT ISZERO PUSH2 0x13F9 JUMPI DUP4 DUP4 SUB DUP9 MSTORE PUSH2 0x13DD DUP4 DUP4 MLOAD PUSH2 0x1656 JUMP JUMPDEST SWAP3 POP PUSH2 0x13E8 DUP3 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x20 SWAP9 SWAP1 SWAP9 ADD SWAP8 SWAP2 POP PUSH1 0x1 ADD PUSH2 0x13C5 JUMP JUMPDEST POP SWAP1 SWAP7 SWAP6 POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x1410 DUP3 PUSH2 0x19D5 JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH2 0x1422 DUP4 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP3 DUP2 LT ISZERO PUSH2 0x1394 JUMPI PUSH2 0x1438 DUP7 DUP4 MLOAD PUSH2 0x1759 JUMP JUMPDEST PUSH2 0x1441 DUP3 PUSH2 0x19CF JUMP JUMPDEST PUSH2 0x100 SWAP7 SWAP1 SWAP7 ADD SWAP6 SWAP2 POP PUSH1 0x1 ADD PUSH2 0x1425 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x145E DUP3 PUSH2 0x19D5 JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH2 0x1470 DUP4 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP3 DUP2 LT ISZERO PUSH2 0x1394 JUMPI PUSH2 0x1486 DUP7 DUP4 MLOAD PUSH2 0x14A0 JUMP JUMPDEST PUSH2 0x148F DUP3 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x20 SWAP7 SWAP1 SWAP7 ADD SWAP6 SWAP2 POP PUSH1 0x1 ADD PUSH2 0x1473 JUMP JUMPDEST PUSH2 0x1341 DUP2 PUSH2 0x19F2 JUMP JUMPDEST PUSH2 0x1341 DUP2 PUSH2 0x19F5 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x14BD DUP3 PUSH2 0x19D5 JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH2 0x14D1 DUP2 PUSH1 0x20 DUP7 ADD PUSH1 0x20 DUP7 ADD PUSH2 0x1A31 JUMP JUMPDEST PUSH2 0x14DA DUP2 PUSH2 0x1A5D JUMP JUMPDEST SWAP1 SWAP4 ADD PUSH1 0x20 ADD SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x26 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F33325F4C454E4754485F5245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5155495245440000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x17 DUP2 MSTORE PUSH32 0x554E535550504F525445445F41535345545F50524F5859000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x26 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F32305F4C454E4754485F5245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5155495245440000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x25 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F345F4C454E4754485F524551 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5549524544000000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST DUP1 MLOAD PUSH1 0x60 DUP4 ADD SWAP1 PUSH2 0x162A DUP5 DUP3 PUSH2 0x17F0 JUMP JUMPDEST POP PUSH1 0x20 DUP3 ADD MLOAD PUSH2 0x163D PUSH1 0x20 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0x40 DUP3 ADD MLOAD PUSH2 0x1650 PUSH1 0x40 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP POP POP POP JUMP JUMPDEST DUP1 MLOAD PUSH1 0x0 SWAP1 PUSH2 0x180 DUP5 ADD SWAP1 PUSH2 0x166B DUP6 DUP3 PUSH2 0x1338 JUMP JUMPDEST POP PUSH1 0x20 DUP4 ADD MLOAD PUSH2 0x167E PUSH1 0x20 DUP7 ADD DUP3 PUSH2 0x1338 JUMP JUMPDEST POP PUSH1 0x40 DUP4 ADD MLOAD PUSH2 0x1691 PUSH1 0x40 DUP7 ADD DUP3 PUSH2 0x1338 JUMP JUMPDEST POP PUSH1 0x60 DUP4 ADD MLOAD PUSH2 0x16A4 PUSH1 0x60 DUP7 ADD DUP3 PUSH2 0x1338 JUMP JUMPDEST POP PUSH1 0x80 DUP4 ADD MLOAD PUSH2 0x16B7 PUSH1 0x80 DUP7 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0xA0 DUP4 ADD MLOAD PUSH2 0x16CA PUSH1 0xA0 DUP7 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0xC0 DUP4 ADD MLOAD PUSH2 0x16DD PUSH1 0xC0 DUP7 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0xE0 DUP4 ADD MLOAD PUSH2 0x16F0 PUSH1 0xE0 DUP7 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH2 0x100 DUP4 ADD MLOAD PUSH2 0x1705 PUSH2 0x100 DUP7 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH2 0x120 DUP4 ADD MLOAD PUSH2 0x171A PUSH2 0x120 DUP7 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH2 0x140 DUP4 ADD MLOAD DUP5 DUP3 SUB PUSH2 0x140 DUP7 ADD MSTORE PUSH2 0x1734 DUP3 DUP3 PUSH2 0x14B2 JUMP JUMPDEST SWAP2 POP POP PUSH2 0x160 DUP4 ADD MLOAD DUP5 DUP3 SUB PUSH2 0x160 DUP7 ADD MSTORE PUSH2 0x1750 DUP3 DUP3 PUSH2 0x14B2 JUMP JUMPDEST SWAP6 SWAP5 POP POP POP POP POP JUMP JUMPDEST DUP1 MLOAD PUSH2 0x100 DUP4 ADD SWAP1 PUSH2 0x176B DUP5 DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0x20 DUP3 ADD MLOAD PUSH2 0x177E PUSH1 0x20 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0x40 DUP3 ADD MLOAD PUSH2 0x1791 PUSH1 0x40 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0x60 DUP3 ADD MLOAD PUSH2 0x17A4 PUSH1 0x60 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0x80 DUP3 ADD MLOAD PUSH2 0x17B7 PUSH1 0x80 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0xA0 DUP3 ADD MLOAD PUSH2 0x17CA PUSH1 0xA0 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0xC0 DUP3 ADD MLOAD PUSH2 0x17DD PUSH1 0xC0 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0xE0 DUP3 ADD MLOAD PUSH2 0x1650 PUSH1 0xE0 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST PUSH2 0x1341 DUP2 PUSH2 0x1A1A JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x9A3 DUP3 DUP5 PUSH2 0x1338 JUMP JUMPDEST PUSH1 0x40 DUP2 ADD PUSH2 0x1815 DUP3 DUP6 PUSH2 0x1338 JUMP JUMPDEST PUSH2 0xC7E PUSH1 0x20 DUP4 ADD DUP5 PUSH2 0x1338 JUMP JUMPDEST PUSH1 0x40 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x1833 DUP2 DUP6 PUSH2 0x1347 JUMP JUMPDEST SWAP1 POP DUP2 DUP2 SUB PUSH1 0x20 DUP4 ADD MSTORE PUSH2 0x1131 DUP2 DUP5 PUSH2 0x1405 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0xC7E DUP2 DUP5 PUSH2 0x139E JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0xC7E DUP2 DUP5 PUSH2 0x1405 JUMP JUMPDEST PUSH1 0x40 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x187A DUP2 DUP6 PUSH2 0x1453 JUMP JUMPDEST SWAP1 POP DUP2 DUP2 SUB PUSH1 0x20 DUP4 ADD MSTORE PUSH2 0x1131 DUP2 DUP5 PUSH2 0x1453 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x9A3 DUP3 DUP5 PUSH2 0x14A9 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x9A3 DUP2 PUSH2 0x14E7 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x9A3 DUP2 PUSH2 0x153D JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x9A3 DUP2 PUSH2 0x156D JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x9A3 DUP2 PUSH2 0x15C3 JUMP JUMPDEST PUSH2 0x160 DUP2 ADD PUSH2 0x18EB DUP3 DUP6 PUSH2 0x1619 JUMP JUMPDEST PUSH2 0xC7E PUSH1 0x60 DUP4 ADD DUP5 PUSH2 0x1759 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0xC7E DUP2 DUP5 PUSH2 0x1656 JUMP JUMPDEST PUSH2 0x100 DUP2 ADD PUSH2 0x9A3 DUP3 DUP5 PUSH2 0x1759 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x9A3 DUP3 DUP5 PUSH2 0x14A0 JUMP JUMPDEST PUSH1 0x40 DUP2 ADD PUSH2 0x1934 DUP3 DUP6 PUSH2 0x14A0 JUMP JUMPDEST PUSH2 0xC7E PUSH1 0x20 DUP4 ADD DUP5 PUSH2 0x14A0 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP2 DUP2 ADD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT DUP3 DUP3 LT OR ISZERO PUSH2 0x1960 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x40 MSTORE SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH8 0xFFFFFFFFFFFFFFFF DUP3 GT ISZERO PUSH2 0x197F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x20 SWAP1 DUP2 MUL ADD SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH8 0xFFFFFFFFFFFFFFFF DUP3 GT ISZERO PUSH2 0x19A0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x20 PUSH1 0x1F SWAP2 SWAP1 SWAP2 ADD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 AND ADD SWAP1 JUMP JUMPDEST PUSH1 0x20 ADD SWAP1 JUMP JUMPDEST MLOAD SWAP1 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST SWAP1 JUMP JUMPDEST PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND SWAP1 JUMP JUMPDEST PUSH1 0xFF AND SWAP1 JUMP JUMPDEST ISZERO ISZERO SWAP1 JUMP JUMPDEST DUP3 DUP2 DUP4 CALLDATACOPY POP PUSH1 0x0 SWAP2 ADD MSTORE JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x1A4C JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x1A34 JUMP JUMPDEST DUP4 DUP2 GT ISZERO PUSH2 0x1650 JUMPI POP POP PUSH1 0x0 SWAP2 ADD MSTORE JUMP JUMPDEST PUSH1 0x1F ADD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 AND SWAP1 JUMP STOP LOG2 PUSH6 0x627A7A723058 KECCAK256 0xd2 0xe9 PUSH31 0x29F930427E8936D11AF9A8EE1660886400D9687ABB10C976177F33449C6C65 PUSH25 0x706572696D656E74616CF50037000000000000000000000000 ", + "sourceMap": 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+ } + } + }, + "sources": { + "2.0.0/extensions/Forwarder/Forwarder.sol": { + "id": 0 + }, + "2.0.0/extensions/Forwarder/MixinAssets.sol": { + "id": 1 + }, + "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": { + "id": 2 + }, + "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": { + "id": 3 + }, + "2.0.0/extensions/Forwarder/MixinWeth.sol": { + "id": 4 + }, + "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": { + "id": 5 + }, + "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": { + "id": 6 + }, + "2.0.0/extensions/Forwarder/libs/LibConstants.sol": { + "id": 7 + }, + "2.0.0/extensions/Forwarder/mixins/MAssets.sol": { + "id": 8 + }, + "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": { + "id": 9 + }, + "2.0.0/extensions/Forwarder/mixins/MWeth.sol": { + "id": 10 + }, + "2.0.0/extensions/OrderValidator/OrderValidator.sol": { + "id": 11 + }, + "2.0.0/multisig/MultiSigWallet.sol": { + "id": 12 + }, + "2.0.0/multisig/MultiSigWalletWithTimeLock.sol": { + "id": 13 + }, + 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http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinWeth.sol\";\nimport \"./MixinForwarderCore.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinAssets.sol\";\nimport \"./MixinExchangeWrapper.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Forwarder is\n LibConstants,\n MixinWeth,\n MixinAssets,\n MixinExchangeWrapper,\n MixinForwarderCore\n{\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n LibConstants(\n _exchange,\n _zrxAssetData,\n _wethAssetData\n )\n MixinForwarderCore()\n {}\n}\n", + "2.0.0/extensions/Forwarder/MixinAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MAssets.sol\";\n\n\ncontract MixinAssets is\n Ownable,\n LibConstants,\n MAssets\n{\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256(\"transfer(address,uint256)\"));\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external\n onlyOwner\n {\n transferAssetToSender(assetData, amount);\n }\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n bytes4 proxyId = assetData.readBytes4(0);\n\n if (proxyId == ERC20_DATA_ID) {\n transferERC20Token(assetData, amount);\n } else if (proxyId == ERC721_DATA_ID) {\n transferERC721Token(assetData, amount);\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n }\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n address token = assetData.readAddress(16);\n\n // Transfer tokens.\n // We do a raw call so we can check the success separate\n // from the return data.\n bool success = token.call(abi.encodeWithSelector(\n ERC20_TRANSFER_SELECTOR,\n msg.sender,\n amount\n ));\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n \n // Check return data.\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // value that evaluates to true.\n assembly {\n if returndatasize {\n success := 0\n if eq(returndatasize, 32) {\n // First 64 bytes of memory are reserved scratch space\n returndatacopy(0, 0, 32)\n success := mload(0)\n }\n }\n }\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n }\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n require(\n amount == 1,\n \"INVALID_AMOUNT\"\n );\n // Decode asset data.\n address token = assetData.readAddress(16);\n uint256 tokenId = assetData.readUint256(36);\n\n // Perform transfer.\n IERC721Token(token).transferFrom(\n address(this),\n msg.sender,\n tokenId\n );\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"../../protocol/Exchange/libs/LibAbiEncoder.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinExchangeWrapper is\n LibAbiEncoder,\n LibFillResults,\n LibMath,\n LibConstants,\n MExchangeWrapper\n{\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n address exchange = address(EXCHANGE);\n\n // Call `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := call(\n gas, // forward all gas\n exchange, // call address of Exchange contract\n 0, // transfer 0 wei\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of WETH to sell\n uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of WETH\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount;\n if (makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n\n require(\n makerAssetFilledAmount >= makerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n // Do nothing if zrxBuyAmount == 0\n if (zrxBuyAmount == 0) {\n return totalFillResults;\n }\n\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n uint256 zrxPurchased = 0;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // All of these are ZRX/WETH, so we can drop the respective assetData from calldata.\n orders[i].makerAssetData = zrxAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of ZRX to buy.\n uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased);\n\n // Convert the remaining amount of ZRX to buy into remaining amount\n // of WETH to sell, assuming entire amount can be sold in the current order.\n uint256 remainingWethSellAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees \n remainingZrxBuyAmount\n );\n\n // Attempt to sell the remaining amount of WETH.\n FillResults memory singleFillResult = fillOrderNoThrow(\n orders[i],\n safeAdd(remainingWethSellAmount, 1), // we add 1 wei to the fill amount to make up for rounding errors\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker.\n addFillResults(totalFillResults, singleFillResult);\n zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid);\n\n // Stop execution if the entire amount of ZRX has been bought.\n if (zrxPurchased >= zrxBuyAmount) {\n break;\n }\n }\n\n require(\n zrxPurchased >= zrxBuyAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\nimport \"./mixins/MAssets.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"./interfaces/IForwarderCore.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinForwarderCore is\n LibFillResults,\n LibMath,\n LibConstants,\n MWeth,\n MAssets,\n MExchangeWrapper,\n IForwarderCore\n{\n using LibBytes for bytes;\n\n /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf.\n constructor ()\n public\n {\n address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID);\n require(\n proxyAddress != address(0),\n \"UNREGISTERED_ASSET_PROXY\"\n );\n ETHER_TOKEN.approve(proxyAddress, MAX_UINT);\n ZRX_TOKEN.approve(proxyAddress, MAX_UINT);\n }\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 wethSellAmount;\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // Calculate amount of WETH that won't be spent on ETH fees.\n wethSellAmount = getPartialAmountFloor(\n PERCENTAGE_DENOMINATOR,\n safeAdd(PERCENTAGE_DENOMINATOR, feePercentage),\n msg.value\n );\n // Market sell available WETH.\n // ZRX fees are paid with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // 5% of WETH is reserved for filling feeOrders and paying feeRecipient.\n wethSellAmount = getPartialAmountFloor(\n MAX_WETH_FILL_PERCENTAGE,\n PERCENTAGE_DENOMINATOR,\n msg.value\n );\n // Market sell 95% of WETH.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // If the makerAsset is ZRX, it is not necessary to pay fees out of this\n // contracts's ZRX balance because fees are factored into the price of the order.\n orderFillResults = marketBuyExactZrxWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // Attemp to purchase desired amount of makerAsset.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketBuyExactAmountWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\n\n\ncontract MixinWeth is\n LibMath,\n LibConstants,\n MWeth\n{\n /// @dev Default payabale function, this allows us to withdraw WETH\n function ()\n public\n payable\n {\n require(\n msg.sender == address(ETHER_TOKEN),\n \"DEFAULT_FUNCTION_WETH_CONTRACT_ONLY\"\n );\n }\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal\n {\n require(\n msg.value > 0,\n \"INVALID_MSG_VALUE\"\n );\n ETHER_TOKEN.deposit.value(msg.value)();\n }\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal\n {\n // Ensure feePercentage is less than 5%.\n require(\n feePercentage <= MAX_FEE_PERCENTAGE,\n \"FEE_PERCENTAGE_TOO_LARGE\"\n );\n\n // Ensure that no extra WETH owned by this contract has been sold.\n uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx);\n require(\n wethSold <= msg.value,\n \"OVERSOLD_WETH\"\n );\n\n // Calculate amount of WETH that hasn't been sold.\n uint256 wethRemaining = safeSub(msg.value, wethSold);\n\n // Calculate ETH fee to pay to feeRecipient.\n uint256 ethFee = getPartialAmountFloor(\n feePercentage,\n PERCENTAGE_DENOMINATOR,\n wethSoldExcludingFeeOrders\n );\n\n // Ensure fee is less than amount of WETH remaining.\n require(\n ethFee <= wethRemaining,\n \"INSUFFICIENT_ETH_REMAINING\"\n );\n \n // Do nothing if no WETH remaining\n if (wethRemaining > 0) {\n // Convert remaining WETH to ETH\n ETHER_TOKEN.withdraw(wethRemaining);\n\n // Pay ETH to feeRecipient\n if (ethFee > 0) {\n feeRecipient.transfer(ethFee);\n }\n\n // Refund remaining ETH to msg.sender.\n uint256 ethRefund = safeSub(wethRemaining, ethFee);\n if (ethRefund > 0) {\n msg.sender.transfer(ethRefund);\n }\n }\n }\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssets {\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external;\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract IForwarderCore {\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n}\n", + "2.0.0/extensions/Forwarder/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/LibBytes/LibBytes.sol\";\nimport \"../../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../../tokens/EtherToken/IEtherToken.sol\";\nimport \"../../../tokens/ERC20Token/IERC20Token.sol\";\n\n\ncontract LibConstants {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n uint256 constant internal MAX_UINT = 2**256 - 1;\n uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; \n uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5%\n uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95%\n \n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n IEtherToken internal ETHER_TOKEN;\n IERC20Token internal ZRX_TOKEN;\n bytes internal ZRX_ASSET_DATA;\n bytes internal WETH_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n WETH_ASSET_DATA = _wethAssetData;\n\n address etherToken = _wethAssetData.readAddress(16);\n address zrxToken = _zrxAssetData.readAddress(16);\n ETHER_TOKEN = IEtherToken(etherToken);\n ZRX_TOKEN = IERC20Token(zrxToken);\n }\n}\n", + "2.0.0/extensions/Forwarder/mixins/MAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssets.sol\";\n\n\ncontract MAssets is\n IAssets\n{\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract MExchangeWrapper {\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n}\n", + "2.0.0/extensions/Forwarder/mixins/MWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract MWeth {\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal;\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal;\n}\n", + "2.0.0/extensions/OrderValidator/OrderValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract OrderValidator {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n struct TraderInfo {\n uint256 makerBalance; // Maker's balance of makerAsset\n uint256 makerAllowance; // Maker's allowance to corresponding AssetProxy\n uint256 takerBalance; // Taker's balance of takerAsset\n uint256 takerAllowance; // Taker's allowance to corresponding AssetProxy\n uint256 makerZrxBalance; // Maker's balance of ZRX\n uint256 makerZrxAllowance; // Maker's allowance of ZRX to ERC20Proxy\n uint256 takerZrxBalance; // Taker's balance of ZRX\n uint256 takerZrxAllowance; // Taker's allowance of ZRX to ERC20Proxy\n }\n\n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n bytes internal ZRX_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (address _exchange, bytes memory _zrxAssetData)\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n }\n\n /// @dev Fetches information for order and maker/taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return OrderInfo and TraderInfo instances for given order.\n function getOrderAndTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo, TraderInfo memory traderInfo)\n {\n orderInfo = EXCHANGE.getOrderInfo(order);\n traderInfo = getTraderInfo(order, takerAddress);\n return (orderInfo, traderInfo);\n }\n\n /// @dev Fetches information for all passed in orders and the makers/takers of each order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Arrays of OrderInfo and TraderInfo instances that correspond to each order.\n function getOrdersAndTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (LibOrder.OrderInfo[] memory ordersInfo, TraderInfo[] memory tradersInfo)\n {\n ordersInfo = EXCHANGE.getOrdersInfo(orders);\n tradersInfo = getTradersInfo(orders, takerAddresses);\n return (ordersInfo, tradersInfo);\n }\n\n /// @dev Fetches balance and allowances for maker and taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return Balances and allowances of maker and taker of order.\n function getTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (TraderInfo memory traderInfo)\n {\n (traderInfo.makerBalance, traderInfo.makerAllowance) = getBalanceAndAllowance(order.makerAddress, order.makerAssetData);\n (traderInfo.takerBalance, traderInfo.takerAllowance) = getBalanceAndAllowance(takerAddress, order.takerAssetData);\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n (traderInfo.makerZrxBalance, traderInfo.makerZrxAllowance) = getBalanceAndAllowance(order.makerAddress, zrxAssetData);\n (traderInfo.takerZrxBalance, traderInfo.takerZrxAllowance) = getBalanceAndAllowance(takerAddress, zrxAssetData);\n return traderInfo;\n }\n\n /// @dev Fetches balances and allowances of maker and taker for each provided order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Array of balances and allowances for maker and taker of each order.\n function getTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (TraderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n TraderInfo[] memory tradersInfo = new TraderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n tradersInfo[i] = getTraderInfo(orders[i], takerAddresses[i]);\n }\n return tradersInfo;\n }\n\n /// @dev Fetches token balances and allowances of an address to given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Encoded data that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balance of asset and allowance set to given proxy of asset.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalanceAndAllowance(address target, bytes memory assetData)\n public\n view\n returns (uint256 balance, uint256 allowance)\n {\n bytes4 assetProxyId = assetData.readBytes4(0);\n address token = assetData.readAddress(16);\n address assetProxy = EXCHANGE.getAssetProxy(assetProxyId);\n\n if (assetProxyId == ERC20_DATA_ID) {\n // Query balance\n balance = IERC20Token(token).balanceOf(target);\n\n // Query allowance\n allowance = IERC20Token(token).allowance(target, assetProxy);\n } else if (assetProxyId == ERC721_DATA_ID) {\n uint256 tokenId = assetData.readUint256(36);\n\n // Query owner of tokenId\n address owner = getERC721TokenOwner(token, tokenId);\n\n // Set balance to 1 if tokenId is owned by target\n balance = target == owner ? 1 : 0;\n\n // Check if ERC721Proxy is approved to spend tokenId\n bool isApproved = IERC721Token(token).isApprovedForAll(target, assetProxy) || IERC721Token(token).getApproved(tokenId) == assetProxy;\n \n // Set alowance to 1 if ERC721Proxy is approved to spend tokenId\n allowance = isApproved ? 1 : 0;\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n return (balance, allowance);\n }\n\n /// @dev Fetches token balances and allowances of an address for each given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Array of encoded byte arrays that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balances and allowances of assets.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalancesAndAllowances(address target, bytes[] memory assetData)\n public\n view\n returns (uint256[] memory, uint256[] memory)\n {\n uint256 length = assetData.length;\n uint256[] memory balances = new uint256[](length);\n uint256[] memory allowances = new uint256[](length);\n for (uint256 i = 0; i != length; i++) {\n (balances[i], allowances[i]) = getBalanceAndAllowance(target, assetData[i]);\n }\n return (balances, allowances);\n }\n\n /// @dev Calls `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token.\n /// @param token Address of ERC721 token.\n /// @param tokenId The identifier for the specific NFT.\n /// @return Owner of tokenId or null address if unowned.\n function getERC721TokenOwner(address token, uint256 tokenId)\n public\n view\n returns (address owner)\n {\n assembly {\n // load free memory pointer\n let cdStart := mload(64)\n\n // bytes4(keccak256(ownerOf(uint256))) = 0x6352211e\n mstore(cdStart, 0x6352211e00000000000000000000000000000000000000000000000000000000)\n mstore(add(cdStart, 4), tokenId)\n\n // staticcall `ownerOf(tokenId)`\n // `ownerOf` will revert if tokenId is not owned\n let success := staticcall(\n gas, // forward all gas\n token, // call token contract\n cdStart, // start of calldata\n 36, // length of input is 36 bytes\n cdStart, // write output over input\n 32 // size of output is 32 bytes\n )\n\n // Success implies that tokenId is owned\n // Copy owner from return data if successful\n if success {\n owner := mload(cdStart)\n } \n }\n\n // Owner initialized to address(0), no need to modify if call is unsuccessful\n return owner;\n }\n}\n", + "2.0.0/multisig/MultiSigWallet.sol": "// solhint-disable\npragma solidity ^0.4.15;\n\n\n/// @title Multisignature wallet - Allows multiple parties to agree on transactions before execution.\n/// @author Stefan George - \ncontract MultiSigWallet {\n\n /*\n * Events\n */\n event Confirmation(address indexed sender, uint indexed transactionId);\n event Revocation(address indexed sender, uint indexed transactionId);\n event Submission(uint indexed transactionId);\n event Execution(uint indexed transactionId);\n event ExecutionFailure(uint indexed transactionId);\n event Deposit(address indexed sender, uint value);\n event OwnerAddition(address indexed owner);\n event OwnerRemoval(address indexed owner);\n event RequirementChange(uint required);\n\n /*\n * Constants\n */\n uint constant public MAX_OWNER_COUNT = 50;\n\n /*\n * Storage\n */\n mapping (uint => Transaction) public transactions;\n mapping (uint => mapping (address => bool)) public confirmations;\n mapping (address => bool) public isOwner;\n address[] public owners;\n uint public required;\n uint public transactionCount;\n\n struct Transaction {\n address destination;\n uint value;\n bytes data;\n bool executed;\n }\n\n /*\n * Modifiers\n */\n modifier onlyWallet() {\n require(msg.sender == address(this));\n _;\n }\n\n modifier ownerDoesNotExist(address owner) {\n require(!isOwner[owner]);\n _;\n }\n\n modifier ownerExists(address owner) {\n require(isOwner[owner]);\n _;\n }\n\n modifier transactionExists(uint transactionId) {\n require(transactions[transactionId].destination != 0);\n _;\n }\n\n modifier confirmed(uint transactionId, address owner) {\n require(confirmations[transactionId][owner]);\n _;\n }\n\n modifier notConfirmed(uint transactionId, address owner) {\n require(!confirmations[transactionId][owner]);\n _;\n }\n\n modifier notExecuted(uint transactionId) {\n require(!transactions[transactionId].executed);\n _;\n }\n\n modifier notNull(address _address) {\n require(_address != 0);\n _;\n }\n\n modifier validRequirement(uint ownerCount, uint _required) {\n require(ownerCount <= MAX_OWNER_COUNT\n && _required <= ownerCount\n && _required != 0\n && ownerCount != 0);\n _;\n }\n\n /// @dev Fallback function allows to deposit ether.\n function()\n payable\n {\n if (msg.value > 0)\n Deposit(msg.sender, msg.value);\n }\n\n /*\n * Public functions\n */\n /// @dev Contract constructor sets initial owners and required number of confirmations.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n function MultiSigWallet(address[] _owners, uint _required)\n public\n validRequirement(_owners.length, _required)\n {\n for (uint i=0; i<_owners.length; i++) {\n require(!isOwner[_owners[i]] && _owners[i] != 0);\n isOwner[_owners[i]] = true;\n }\n owners = _owners;\n required = _required;\n }\n\n /// @dev Allows to add a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of new owner.\n function addOwner(address owner)\n public\n onlyWallet\n ownerDoesNotExist(owner)\n notNull(owner)\n validRequirement(owners.length + 1, required)\n {\n isOwner[owner] = true;\n owners.push(owner);\n OwnerAddition(owner);\n }\n\n /// @dev Allows to remove an owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner.\n function removeOwner(address owner)\n public\n onlyWallet\n ownerExists(owner)\n {\n isOwner[owner] = false;\n for (uint i=0; i owners.length)\n changeRequirement(owners.length);\n OwnerRemoval(owner);\n }\n\n /// @dev Allows to replace an owner with a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner to be replaced.\n /// @param newOwner Address of new owner.\n function replaceOwner(address owner, address newOwner)\n public\n onlyWallet\n ownerExists(owner)\n ownerDoesNotExist(newOwner)\n {\n for (uint i=0; i\n// solhint-disable not-rely-on-time\ncontract MultiSigWalletWithTimeLock is\n MultiSigWallet\n{\n event ConfirmationTimeSet(uint256 indexed transactionId, uint256 confirmationTime);\n event TimeLockChange(uint256 secondsTimeLocked);\n\n uint256 public secondsTimeLocked;\n\n mapping (uint256 => uint256) public confirmationTimes;\n\n modifier notFullyConfirmed(uint256 transactionId) {\n require(\n !isConfirmed(transactionId),\n \"TX_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier fullyConfirmed(uint256 transactionId) {\n require(\n isConfirmed(transactionId),\n \"TX_NOT_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier pastTimeLock(uint256 transactionId) {\n require(\n block.timestamp >= confirmationTimes[transactionId] + secondsTimeLocked,\n \"TIME_LOCK_INCOMPLETE\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations, and time lock.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] _owners,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWallet(_owners, _required)\n {\n secondsTimeLocked = _secondsTimeLocked;\n }\n\n /// @dev Changes the duration of the time lock for transactions.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n function changeTimeLock(uint256 _secondsTimeLocked)\n public\n onlyWallet\n {\n secondsTimeLocked = _secondsTimeLocked;\n emit TimeLockChange(_secondsTimeLocked);\n }\n\n /// @dev Allows an owner to confirm a transaction.\n /// @param transactionId Transaction ID.\n function confirmTransaction(uint256 transactionId)\n public\n ownerExists(msg.sender)\n transactionExists(transactionId)\n notConfirmed(transactionId, msg.sender)\n notFullyConfirmed(transactionId)\n {\n confirmations[transactionId][msg.sender] = true;\n emit Confirmation(msg.sender, transactionId);\n if (isConfirmed(transactionId)) {\n setConfirmationTime(transactionId, block.timestamp);\n }\n }\n\n /// @dev Allows anyone to execute a confirmed transaction.\n /// @param transactionId Transaction ID.\n function executeTransaction(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n pastTimeLock(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n\n /// @dev Sets the time of when a submission first passed.\n function setConfirmationTime(uint256 transactionId, uint256 confirmationTime)\n internal\n {\n confirmationTimes[transactionId] = confirmationTime;\n emit ConfirmationTimeSet(transactionId, confirmationTime);\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC20Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n \n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 1 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n\n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. amount |\n\n /////// Read token address from calldata ///////\n // * The token address is stored in `assetData`.\n //\n // * The \"offset to assetData\" is stored at offset 4 in the calldata (table 1).\n // [assetDataOffsetFromParams = calldataload(4)]\n //\n // * Notes that the \"offset to assetData\" is relative to the \"Params\" area of calldata;\n // add 4 bytes to account for the length of the \"Header\" area (table 1).\n // [assetDataOffsetFromHeader = assetDataOffsetFromParams + 4]\n //\n // * The \"token address\" is offset 32+4=36 bytes into \"assetData\" (tables 1 & 2).\n // [tokenOffset = assetDataOffsetFromHeader + 36 = calldataload(4) + 4 + 36]\n let token := calldataload(add(calldataload(4), 40))\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from`, `to` and `amount` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 96)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output over input\n 32 // output size should be 32 bytes\n )\n\n /////// Check return data. ///////\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // nonzero 32 bytes value.\n // So the transfer succeeded if the call succeeded and either\n // returned nothing, or returned a non-zero 32 byte value. \n success := and(success, or(\n iszero(returndatasize),\n and(\n eq(returndatasize, 32),\n gt(mload(0), 0)\n )\n ))\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC721Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 2 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n // | | 36 | | 2. tokenId |\n \n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. tokenId |\n\n // There exists only 1 of each token.\n // require(amount == 1, \"INVALID_AMOUNT\")\n if sub(calldataload(100), 1) {\n // Revert with `Error(\"INVALID_AMOUNT\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from` and `to` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 64)\n\n // Copy `tokenId` field from our own calldata to the new calldata.\n let assetDataOffset := calldataload(4)\n calldatacopy(68, add(assetDataOffset, 72), 32)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let token := calldataload(add(assetDataOffset, 40))\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output to null\n 0 // output size is 0 bytes\n )\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAuthorizable.sol\";\n\n\ncontract MixinAuthorizable is\n Ownable,\n MAuthorizable\n{\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized {\n require(\n authorized[msg.sender],\n \"SENDER_NOT_AUTHORIZED\"\n );\n _;\n }\n\n mapping (address => bool) public authorized;\n address[] public authorities;\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n !authorized[target],\n \"TARGET_ALREADY_AUTHORIZED\"\n );\n\n authorized[target] = true;\n authorities.push(target);\n emit AuthorizedAddressAdded(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n\n delete authorized[target];\n for (uint256 i = 0; i < authorities.length; i++) {\n if (authorities[i] == target) {\n authorities[i] = authorities[authorities.length - 1];\n authorities.length -= 1;\n break;\n }\n }\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n require(\n index < authorities.length,\n \"INDEX_OUT_OF_BOUNDS\"\n );\n require(\n authorities[index] == target,\n \"AUTHORIZED_ADDRESS_MISMATCH\"\n );\n\n delete authorized[target];\n authorities[index] = authorities[authorities.length - 1];\n authorities.length -= 1;\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory)\n {\n return authorities;\n }\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IAuthorizable.sol\";\n\n\ncontract IAssetProxy is\n IAuthorizable\n{\n /// @dev Transfers assets. Either succeeds or throws.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n function transferFrom(\n bytes assetData,\n address from,\n address to,\n uint256 amount\n )\n external;\n \n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4);\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/Ownable/IOwnable.sol\";\n\n\ncontract IAuthorizable is\n IOwnable\n{\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external;\n \n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory);\n}\n", + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAuthorizable.sol\";\n\n\ncontract MAuthorizable is\n IAuthorizable\n{\n // Event logged when a new address is authorized.\n event AuthorizedAddressAdded(\n address indexed target,\n address indexed caller\n );\n\n // Event logged when a currently authorized address is unauthorized.\n event AuthorizedAddressRemoved(\n address indexed target,\n address indexed caller\n );\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized { revert(); _; }\n}\n", + "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../multisig/MultiSigWalletWithTimeLock.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract AssetProxyOwner is\n MultiSigWalletWithTimeLock\n{\n using LibBytes for bytes;\n\n event AssetProxyRegistration(address assetProxyContract, bool isRegistered);\n\n // Mapping of AssetProxy contract address =>\n // if this contract is allowed to call the AssetProxy's `removeAuthorizedAddressAtIndex` method without a time lock.\n mapping (address => bool) public isAssetProxyRegistered;\n\n bytes4 constant internal REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR = bytes4(keccak256(\"removeAuthorizedAddressAtIndex(address,uint256)\"));\n\n /// @dev Function will revert if the transaction does not call `removeAuthorizedAddressAtIndex`\n /// on an approved AssetProxy contract.\n modifier validRemoveAuthorizedAddressAtIndexTx(uint256 transactionId) {\n Transaction storage txn = transactions[transactionId];\n require(\n isAssetProxyRegistered[txn.destination],\n \"UNREGISTERED_ASSET_PROXY\"\n );\n require(\n txn.data.readBytes4(0) == REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR,\n \"INVALID_FUNCTION_SELECTOR\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations,\n /// time lock, and list of AssetProxy addresses.\n /// @param _owners List of initial owners.\n /// @param _assetProxyContracts Array of AssetProxy contract addresses.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] memory _owners,\n address[] memory _assetProxyContracts,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWalletWithTimeLock(_owners, _required, _secondsTimeLocked)\n {\n for (uint256 i = 0; i < _assetProxyContracts.length; i++) {\n address assetProxy = _assetProxyContracts[i];\n require(\n assetProxy != address(0),\n \"INVALID_ASSET_PROXY\"\n );\n isAssetProxyRegistered[assetProxy] = true;\n }\n }\n\n /// @dev Registers or deregisters an AssetProxy to be able to execute\n /// `removeAuthorizedAddressAtIndex` without a timelock.\n /// @param assetProxyContract Address of AssetProxy contract.\n /// @param isRegistered Status of approval for AssetProxy contract.\n function registerAssetProxy(address assetProxyContract, bool isRegistered)\n public\n onlyWallet\n notNull(assetProxyContract)\n {\n isAssetProxyRegistered[assetProxyContract] = isRegistered;\n emit AssetProxyRegistration(assetProxyContract, isRegistered);\n }\n\n /// @dev Allows execution of `removeAuthorizedAddressAtIndex` without time lock.\n /// @param transactionId Transaction ID.\n function executeRemoveAuthorizedAddressAtIndex(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n validRemoveAuthorizedAddressAtIndexTx(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n}\n", + "2.0.0/protocol/Exchange/Exchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinExchangeCore.sol\";\nimport \"./MixinSignatureValidator.sol\";\nimport \"./MixinWrapperFunctions.sol\";\nimport \"./MixinAssetProxyDispatcher.sol\";\nimport \"./MixinTransactions.sol\";\nimport \"./MixinMatchOrders.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Exchange is\n MixinExchangeCore,\n MixinMatchOrders,\n MixinSignatureValidator,\n MixinTransactions,\n MixinAssetProxyDispatcher,\n MixinWrapperFunctions\n{\n string constant public VERSION = \"2.0.1-alpha\";\n\n // Mixins are instantiated in the order they are inherited\n constructor (bytes memory _zrxAssetData)\n public\n LibConstants(_zrxAssetData) // @TODO: Remove when we deploy.\n MixinExchangeCore()\n MixinMatchOrders()\n MixinSignatureValidator()\n MixinTransactions()\n MixinAssetProxyDispatcher()\n MixinWrapperFunctions()\n {}\n}\n", + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\nimport \"../AssetProxy/interfaces/IAssetProxy.sol\";\n\n\ncontract MixinAssetProxyDispatcher is\n Ownable,\n MAssetProxyDispatcher\n{\n // Mapping from Asset Proxy Id's to their respective Asset Proxy\n mapping (bytes4 => IAssetProxy) public assetProxies;\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external\n onlyOwner\n {\n IAssetProxy assetProxyContract = IAssetProxy(assetProxy);\n\n // Ensure that no asset proxy exists with current id.\n bytes4 assetProxyId = assetProxyContract.getProxyId();\n address currentAssetProxy = assetProxies[assetProxyId];\n require(\n currentAssetProxy == address(0),\n \"ASSET_PROXY_ALREADY_EXISTS\"\n );\n\n // Add asset proxy and log registration.\n assetProxies[assetProxyId] = assetProxyContract;\n emit AssetProxyRegistered(\n assetProxyId,\n assetProxy\n );\n }\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address)\n {\n return assetProxies[assetProxyId];\n }\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal\n {\n // Do nothing if no amount should be transferred.\n if (amount > 0 && from != to) {\n // Ensure assetData length is valid\n require(\n assetData.length > 3,\n \"LENGTH_GREATER_THAN_3_REQUIRED\"\n );\n \n // Lookup assetProxy. We do not use `LibBytes.readBytes4` for gas efficiency reasons.\n bytes4 assetProxyId;\n assembly {\n assetProxyId := and(mload(\n add(assetData, 32)),\n 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000\n )\n }\n address assetProxy = assetProxies[assetProxyId];\n\n // Ensure that assetProxy exists\n require(\n assetProxy != address(0),\n \"ASSET_PROXY_DOES_NOT_EXIST\"\n );\n \n // We construct calldata for the `assetProxy.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n\n assembly {\n /////// Setup State ///////\n // `cdStart` is the start of the calldata for `assetProxy.transferFrom` (equal to free memory ptr).\n let cdStart := mload(64)\n // `dataAreaLength` is the total number of words needed to store `assetData`\n // As-per the ABI spec, this value is padded up to the nearest multiple of 32,\n // and includes 32-bytes for length.\n let dataAreaLength := and(add(mload(assetData), 63), 0xFFFFFFFFFFFE0)\n // `cdEnd` is the end of the calldata for `assetProxy.transferFrom`.\n let cdEnd := add(cdStart, add(132, dataAreaLength))\n\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFromSelector`.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes.\n // Notes:\n // 1. The offset to `assetData` is the length of the Params Area (128 bytes).\n // 2. A 20-byte mask is applied to addresses to zero-out the unused bytes.\n mstore(add(cdStart, 4), 128)\n mstore(add(cdStart, 36), and(from, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 68), and(to, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 100), amount)\n \n /////// Setup Data Area ///////\n // This area holds `assetData`.\n let dataArea := add(cdStart, 132)\n // solhint-disable-next-line no-empty-blocks\n for {} lt(dataArea, cdEnd) {} {\n mstore(dataArea, mload(assetData))\n dataArea := add(dataArea, 32)\n assetData := add(assetData, 32)\n }\n\n /////// Call `assetProxy.transferFrom` using the constructed calldata ///////\n let success := call(\n gas, // forward all gas\n assetProxy, // call address of asset proxy\n 0, // don't send any ETH\n cdStart, // pointer to start of input\n sub(cdEnd, cdStart), // length of input \n cdStart, // write output over input\n 512 // reserve 512 bytes for output\n )\n if iszero(success) {\n revert(cdStart, returndatasize())\n }\n }\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinExchangeCore is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n LibOrder,\n LibFillResults,\n MAssetProxyDispatcher,\n MExchangeCore,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of orderHash => amount of takerAsset already bought by maker\n mapping (bytes32 => uint256) public filled;\n\n // Mapping of orderHash => cancelled\n mapping (bytes32 => bool) public cancelled;\n\n // Mapping of makerAddress => senderAddress => lowest salt an order can have in order to be fillable\n // Orders with specified senderAddress and with a salt less than their epoch are considered cancelled\n mapping (address => mapping (address => uint256)) public orderEpoch;\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external\n nonReentrant\n {\n address makerAddress = getCurrentContextAddress();\n // If this function is called via `executeTransaction`, we only update the orderEpoch for the makerAddress/msg.sender combination.\n // This allows external filter contracts to add rules to how orders are cancelled via this function.\n address senderAddress = makerAddress == msg.sender ? address(0) : msg.sender;\n\n // orderEpoch is initialized to 0, so to cancelUpTo we need salt + 1\n uint256 newOrderEpoch = targetOrderEpoch + 1; \n uint256 oldOrderEpoch = orderEpoch[makerAddress][senderAddress];\n\n // Ensure orderEpoch is monotonically increasing\n require(\n newOrderEpoch > oldOrderEpoch, \n \"INVALID_NEW_ORDER_EPOCH\"\n );\n\n // Update orderEpoch\n orderEpoch[makerAddress][senderAddress] = newOrderEpoch;\n emit CancelUpTo(\n makerAddress,\n senderAddress,\n newOrderEpoch\n );\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrder(Order memory order)\n public\n nonReentrant\n {\n cancelOrderInternal(order);\n }\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(Order memory order)\n public\n view\n returns (OrderInfo memory orderInfo)\n {\n // Compute the order hash\n orderInfo.orderHash = getOrderHash(order);\n\n // Fetch filled amount\n orderInfo.orderTakerAssetFilledAmount = filled[orderInfo.orderHash];\n\n // If order.makerAssetAmount is zero, we also reject the order.\n // While the Exchange contract handles them correctly, they create\n // edge cases in the supporting infrastructure because they have\n // an 'infinite' price when computed by a simple division.\n if (order.makerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_MAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // If order.takerAssetAmount is zero, then the order will always\n // be considered filled because 0 == takerAssetAmount == orderTakerAssetFilledAmount\n // Instead of distinguishing between unfilled and filled zero taker\n // amount orders, we choose not to support them.\n if (order.takerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_TAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // Validate order availability\n if (orderInfo.orderTakerAssetFilledAmount >= order.takerAssetAmount) {\n orderInfo.orderStatus = uint8(OrderStatus.FULLY_FILLED);\n return orderInfo;\n }\n\n // Validate order expiration\n // solhint-disable-next-line not-rely-on-time\n if (block.timestamp >= order.expirationTimeSeconds) {\n orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);\n return orderInfo;\n }\n\n // Check if order has been cancelled\n if (cancelled[orderInfo.orderHash]) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n if (orderEpoch[order.makerAddress][order.senderAddress] > order.salt) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n\n // All other statuses are ruled out: order is Fillable\n orderInfo.orderStatus = uint8(OrderStatus.FILLABLE);\n return orderInfo;\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // Fetch order info\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Assert that the order is fillable by taker\n assertFillableOrder(\n order,\n orderInfo,\n takerAddress,\n signature\n );\n \n // Get amount of takerAsset to fill\n uint256 remainingTakerAssetAmount = safeSub(order.takerAssetAmount, orderInfo.orderTakerAssetFilledAmount);\n uint256 takerAssetFilledAmount = min256(takerAssetFillAmount, remainingTakerAssetAmount);\n\n // Validate context\n assertValidFill(\n order,\n orderInfo,\n takerAssetFillAmount,\n takerAssetFilledAmount,\n fillResults.makerAssetFilledAmount\n );\n\n // Compute proportional fill amounts\n fillResults = calculateFillResults(order, takerAssetFilledAmount);\n\n // Update exchange internal state\n updateFilledState(\n order,\n takerAddress,\n orderInfo.orderHash,\n orderInfo.orderTakerAssetFilledAmount,\n fillResults\n );\n \n // Settle order\n settleOrder(\n order,\n takerAddress,\n fillResults\n );\n\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrderInternal(Order memory order)\n internal\n {\n // Fetch current order status\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Validate context\n assertValidCancel(order, orderInfo);\n\n // Perform cancel\n updateCancelledState(order, orderInfo.orderHash);\n }\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n function updateFilledState(\n Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n FillResults memory fillResults\n )\n internal\n {\n // Update state\n filled[orderHash] = safeAdd(orderTakerAssetFilledAmount, fillResults.takerAssetFilledAmount);\n\n // Log order\n emit Fill(\n order.makerAddress,\n order.feeRecipientAddress,\n takerAddress,\n msg.sender,\n fillResults.makerAssetFilledAmount,\n fillResults.takerAssetFilledAmount,\n fillResults.makerFeePaid,\n fillResults.takerFeePaid,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n Order memory order,\n bytes32 orderHash\n )\n internal\n {\n // Perform cancel\n cancelled[orderHash] = true;\n\n // Log cancel\n emit Cancel(\n order.makerAddress,\n order.feeRecipientAddress,\n msg.sender,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n Order memory order,\n OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view\n {\n // An order can only be filled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n \n // Validate sender is allowed to fill this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n \n // Validate taker is allowed to fill this order\n if (order.takerAddress != address(0)) {\n require(\n order.takerAddress == takerAddress,\n \"INVALID_TAKER\"\n );\n }\n \n // Validate Maker signature (check only if first time seen)\n if (orderInfo.orderTakerAssetFilledAmount == 0) {\n require(\n isValidSignature(\n orderInfo.orderHash,\n order.makerAddress,\n signature\n ),\n \"INVALID_ORDER_SIGNATURE\"\n );\n }\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n Order memory order,\n OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount, // TODO: use FillResults\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view\n {\n // Revert if fill amount is invalid\n // TODO: reconsider necessity for v2.1\n require(\n takerAssetFillAmount != 0,\n \"INVALID_TAKER_AMOUNT\"\n );\n \n // Make sure taker does not pay more than desired amount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n takerAssetFilledAmount <= takerAssetFillAmount,\n \"TAKER_OVERPAY\"\n );\n \n // Make sure order is not overfilled\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeAdd(orderInfo.orderTakerAssetFilledAmount, takerAssetFilledAmount) <= order.takerAssetAmount,\n \"ORDER_OVERFILL\"\n );\n \n // Make sure order is filled at acceptable price.\n // The order has an implied price from the makers perspective:\n // order price = order.makerAssetAmount / order.takerAssetAmount\n // i.e. the number of makerAsset maker is paying per takerAsset. The\n // maker is guaranteed to get this price or a better (lower) one. The\n // actual price maker is getting in this fill is:\n // fill price = makerAssetFilledAmount / takerAssetFilledAmount\n // We need `fill price <= order price` for the fill to be fair to maker.\n // This amounts to:\n // makerAssetFilledAmount order.makerAssetAmount\n // ------------------------ <= -----------------------\n // takerAssetFilledAmount order.takerAssetAmount\n // or, equivalently:\n // makerAssetFilledAmount * order.takerAssetAmount <=\n // order.makerAssetAmount * takerAssetFilledAmount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeMul(makerAssetFilledAmount, order.takerAssetAmount)\n <= \n safeMul(order.makerAssetAmount, takerAssetFilledAmount),\n \"INVALID_FILL_PRICE\"\n );\n }\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n Order memory order,\n OrderInfo memory orderInfo\n )\n internal\n view\n {\n // Ensure order is valid\n // An order can only be cancelled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Validate sender is allowed to cancel this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate transaction signed by maker\n address makerAddress = getCurrentContextAddress();\n require(\n order.makerAddress == makerAddress,\n \"INVALID_MAKER\"\n );\n }\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (FillResults memory fillResults)\n {\n // Compute proportional transfer amounts\n fillResults.takerAssetFilledAmount = takerAssetFilledAmount;\n fillResults.makerAssetFilledAmount = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n );\n fillResults.makerFeePaid = safeGetPartialAmountFloor(\n fillResults.makerAssetFilledAmount,\n order.makerAssetAmount,\n order.makerFee\n );\n fillResults.takerFeePaid = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.takerFee\n );\n\n return fillResults;\n }\n\n /// @dev Settles an order by transferring assets between counterparties.\n /// @param order Order struct containing order specifications.\n /// @param takerAddress Address selling takerAsset and buying makerAsset.\n /// @param fillResults Amounts to be filled and fees paid by maker and taker.\n function settleOrder(\n LibOrder.Order memory order,\n address takerAddress,\n LibFillResults.FillResults memory fillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n dispatchTransferFrom(\n order.makerAssetData,\n order.makerAddress,\n takerAddress,\n fillResults.makerAssetFilledAmount\n );\n dispatchTransferFrom(\n order.takerAssetData,\n takerAddress,\n order.makerAddress,\n fillResults.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n zrxAssetData,\n order.makerAddress,\n order.feeRecipientAddress,\n fillResults.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n order.feeRecipientAddress,\n fillResults.takerFeePaid\n );\n }\n}\n", + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": "/*\n Copyright 2018 ZeroEx Intl.\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n http://www.apache.org/licenses/LICENSE-2.0\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MMatchOrders.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinMatchOrders is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n MAssetProxyDispatcher,\n MExchangeCore,\n MMatchOrders,\n MTransactions\n{\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n nonReentrant\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We assume that rightOrder.takerAssetData == leftOrder.makerAssetData and rightOrder.makerAssetData == leftOrder.takerAssetData.\n // If this assumption isn't true, the match will fail at signature validation.\n rightOrder.makerAssetData = leftOrder.takerAssetData;\n rightOrder.takerAssetData = leftOrder.makerAssetData;\n\n // Get left & right order info\n LibOrder.OrderInfo memory leftOrderInfo = getOrderInfo(leftOrder);\n LibOrder.OrderInfo memory rightOrderInfo = getOrderInfo(rightOrder);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Either our context is valid or we revert\n assertFillableOrder(\n leftOrder,\n leftOrderInfo,\n takerAddress,\n leftSignature\n );\n assertFillableOrder(\n rightOrder,\n rightOrderInfo,\n takerAddress,\n rightSignature\n );\n assertValidMatch(leftOrder, rightOrder);\n\n // Compute proportional fill amounts\n matchedFillResults = calculateMatchedFillResults(\n leftOrder,\n rightOrder,\n leftOrderInfo.orderTakerAssetFilledAmount,\n rightOrderInfo.orderTakerAssetFilledAmount\n );\n\n // Validate fill contexts\n assertValidFill(\n leftOrder,\n leftOrderInfo,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.makerAssetFilledAmount\n );\n assertValidFill(\n rightOrder,\n rightOrderInfo,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n \n // Update exchange state\n updateFilledState(\n leftOrder,\n takerAddress,\n leftOrderInfo.orderHash,\n leftOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.left\n );\n updateFilledState(\n rightOrder,\n takerAddress,\n rightOrderInfo.orderHash,\n rightOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.right\n );\n\n // Settle matched orders. Succeeds or throws.\n settleMatchedOrders(\n leftOrder,\n rightOrder,\n takerAddress,\n matchedFillResults\n );\n\n return matchedFillResults;\n }\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure\n {\n // Make sure there is a profitable spread.\n // There is a profitable spread iff the cost per unit bought (OrderA.MakerAmount/OrderA.TakerAmount) for each order is greater\n // than the profit per unit sold of the matched order (OrderB.TakerAmount/OrderB.MakerAmount).\n // This is satisfied by the equations below:\n // / >= / \n // AND\n // / >= / \n // These equations can be combined to get the following:\n require(\n safeMul(leftOrder.makerAssetAmount, rightOrder.makerAssetAmount) >=\n safeMul(leftOrder.takerAssetAmount, rightOrder.takerAssetAmount),\n \"NEGATIVE_SPREAD_REQUIRED\"\n );\n }\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // Derive maker asset amounts for left & right orders, given store taker assert amounts\n uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);\n uint256 leftMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n leftTakerAssetAmountRemaining\n );\n uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);\n uint256 rightMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n rightOrder.makerAssetAmount,\n rightOrder.takerAssetAmount,\n rightTakerAssetAmountRemaining\n );\n\n // Calculate fill results for maker and taker assets: at least one order will be fully filled.\n // The maximum amount the left maker can buy is `leftTakerAssetAmountRemaining`\n // The maximum amount the right maker can sell is `rightMakerAssetAmountRemaining`\n // We have two distinct cases for calculating the fill results:\n // Case 1.\n // If the left maker can buy more than the right maker can sell, then only the right order is fully filled.\n // If the left maker can buy exactly what the right maker can sell, then both orders are fully filled.\n // Case 2.\n // If the left maker cannot buy more than the right maker can sell, then only the left order is fully filled.\n if (leftTakerAssetAmountRemaining >= rightMakerAssetAmountRemaining) {\n // Case 1: Right order is fully filled\n matchedFillResults.right.makerAssetFilledAmount = rightMakerAssetAmountRemaining;\n matchedFillResults.right.takerAssetFilledAmount = rightTakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = matchedFillResults.right.makerAssetFilledAmount;\n // Round down to ensure the maker's exchange rate does not exceed the price specified by the order. \n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.left.makerAssetFilledAmount = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n matchedFillResults.left.takerAssetFilledAmount\n );\n } else {\n // Case 2: Left order is fully filled\n matchedFillResults.left.makerAssetFilledAmount = leftMakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = leftTakerAssetAmountRemaining;\n matchedFillResults.right.makerAssetFilledAmount = matchedFillResults.left.takerAssetFilledAmount;\n // Round up to ensure the maker's exchange rate does not exceed the price specified by the order.\n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.right.takerAssetFilledAmount = safeGetPartialAmountCeil(\n rightOrder.takerAssetAmount,\n rightOrder.makerAssetAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n }\n\n // Calculate amount given to taker\n matchedFillResults.leftMakerAssetSpreadAmount = safeSub(\n matchedFillResults.left.makerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount\n );\n\n // Compute fees for left order\n matchedFillResults.left.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.makerAssetFilledAmount,\n leftOrder.makerAssetAmount,\n leftOrder.makerFee\n );\n matchedFillResults.left.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.takerAssetFilledAmount,\n leftOrder.takerAssetAmount,\n leftOrder.takerFee\n );\n\n // Compute fees for right order\n matchedFillResults.right.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.makerAssetFilledAmount,\n rightOrder.makerAssetAmount,\n rightOrder.makerFee\n );\n matchedFillResults.right.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.takerAssetFilledAmount,\n rightOrder.takerAssetAmount,\n rightOrder.takerFee\n );\n\n // Return fill results\n return matchedFillResults;\n }\n\n /// @dev Settles matched order by transferring appropriate funds between order makers, taker, and fee recipient.\n /// @param leftOrder First matched order.\n /// @param rightOrder Second matched order.\n /// @param takerAddress Address that matched the orders. The taker receives the spread between orders as profit.\n /// @param matchedFillResults Struct holding amounts to transfer between makers, taker, and fee recipients.\n function settleMatchedOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n address takerAddress,\n LibFillResults.MatchedFillResults memory matchedFillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n // Order makers and taker\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n rightOrder.makerAddress,\n matchedFillResults.right.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n rightOrder.makerAssetData,\n rightOrder.makerAddress,\n leftOrder.makerAddress,\n matchedFillResults.left.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n takerAddress,\n matchedFillResults.leftMakerAssetSpreadAmount\n );\n\n // Maker fees\n dispatchTransferFrom(\n zrxAssetData,\n leftOrder.makerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n rightOrder.makerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.makerFeePaid\n );\n\n // Taker fees\n if (leftOrder.feeRecipientAddress == rightOrder.feeRecipientAddress) {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n safeAdd(\n matchedFillResults.left.takerFeePaid,\n matchedFillResults.right.takerFeePaid\n )\n );\n } else {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.takerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.takerFeePaid\n );\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./interfaces/IWallet.sol\";\nimport \"./interfaces/IValidator.sol\";\n\n\ncontract MixinSignatureValidator is\n ReentrancyGuard,\n MSignatureValidator,\n MTransactions\n{\n using LibBytes for bytes;\n \n // Mapping of hash => signer => signed\n mapping (bytes32 => mapping (address => bool)) public preSigned;\n\n // Mapping of signer => validator => approved\n mapping (address => mapping (address => bool)) public allowedValidators;\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n {\n if (signerAddress != msg.sender) {\n require(\n isValidSignature(\n hash,\n signerAddress,\n signature\n ),\n \"INVALID_SIGNATURE\"\n );\n }\n preSigned[hash][signerAddress] = true;\n }\n\n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external\n nonReentrant\n {\n address signerAddress = getCurrentContextAddress();\n allowedValidators[signerAddress][validatorAddress] = approval;\n emit SignatureValidatorApproval(\n signerAddress,\n validatorAddress,\n approval\n );\n }\n\n /// @dev Verifies that a hash has been signed by the given signer.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid)\n {\n require(\n signature.length > 0,\n \"LENGTH_GREATER_THAN_0_REQUIRED\"\n );\n\n // Pop last byte off of signature byte array.\n uint8 signatureTypeRaw = uint8(signature.popLastByte());\n\n // Ensure signature is supported\n require(\n signatureTypeRaw < uint8(SignatureType.NSignatureTypes),\n \"SIGNATURE_UNSUPPORTED\"\n );\n\n SignatureType signatureType = SignatureType(signatureTypeRaw);\n\n // Variables are not scoped in Solidity.\n uint8 v;\n bytes32 r;\n bytes32 s;\n address recovered;\n\n // Always illegal signature.\n // This is always an implicit option since a signer can create a\n // signature array with invalid type or length. We may as well make\n // it an explicit option. This aids testing and analysis. It is\n // also the initialization value for the enum type.\n if (signatureType == SignatureType.Illegal) {\n revert(\"SIGNATURE_ILLEGAL\");\n\n // Always invalid signature.\n // Like Illegal, this is always implicitly available and therefore\n // offered explicitly. It can be implicitly created by providing\n // a correctly formatted but incorrect signature.\n } else if (signatureType == SignatureType.Invalid) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = false;\n return isValid;\n\n // Signature using EIP712\n } else if (signatureType == SignatureType.EIP712) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n hash,\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signed using web3.eth_sign\n } else if (signatureType == SignatureType.EthSign) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n32\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signature verified by wallet contract.\n // If used with an order, the maker of the order is the wallet contract.\n } else if (signatureType == SignatureType.Wallet) {\n isValid = isValidWalletSignature(\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signature verified by validator contract.\n // If used with an order, the maker of the order can still be an EOA.\n // A signature using this type should be encoded as:\n // | Offset | Length | Contents |\n // | 0x00 | x | Signature to validate |\n // | 0x00 + x | 20 | Address of validator contract |\n // | 0x14 + x | 1 | Signature type is always \"\\x06\" |\n } else if (signatureType == SignatureType.Validator) {\n // Pop last 20 bytes off of signature byte array.\n address validatorAddress = signature.popLast20Bytes();\n \n // Ensure signer has approved validator.\n if (!allowedValidators[signerAddress][validatorAddress]) {\n return false;\n }\n isValid = isValidValidatorSignature(\n validatorAddress,\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signer signed hash previously using the preSign function.\n } else if (signatureType == SignatureType.PreSigned) {\n isValid = preSigned[hash][signerAddress];\n return isValid;\n }\n\n // Anything else is illegal (We do not return false because\n // the signature may actually be valid, just not in a format\n // that we currently support. In this case returning false\n // may lead the caller to incorrectly believe that the\n // signature was invalid.)\n revert(\"SIGNATURE_UNSUPPORTED\");\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if signature is valid for given wallet..\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IWallet(walletAddress).isValidSignature.selector,\n hash,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n walletAddress, // address of Wallet contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"WALLET_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000c57414c4c45545f4552524f5200000000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IValidator(signerAddress).isValidSignature.selector,\n hash,\n signerAddress,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n validatorAddress, // address of Validator contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"VALIDATOR_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f56414c494441544f525f4552524f5200000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n}\n", + "2.0.0/protocol/Exchange/MixinTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"./libs/LibExchangeErrors.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./libs/LibEIP712.sol\";\n\n\ncontract MixinTransactions is\n LibEIP712,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of transaction hash => executed\n // This prevents transactions from being executed more than once.\n mapping (bytes32 => bool) public transactions;\n\n // Address of current transaction signer\n address public currentContextAddress;\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external\n {\n // Prevent reentrancy\n require(\n currentContextAddress == address(0),\n \"REENTRANCY_ILLEGAL\"\n );\n\n bytes32 transactionHash = hashEIP712Message(hashZeroExTransaction(\n salt,\n signerAddress,\n data\n ));\n\n // Validate transaction has not been executed\n require(\n !transactions[transactionHash],\n \"INVALID_TX_HASH\"\n );\n\n // Transaction always valid if signer is sender of transaction\n if (signerAddress != msg.sender) {\n // Validate signature\n require(\n isValidSignature(\n transactionHash,\n signerAddress,\n signature\n ),\n \"INVALID_TX_SIGNATURE\"\n );\n\n // Set the current transaction signer\n currentContextAddress = signerAddress;\n }\n\n // Execute transaction\n transactions[transactionHash] = true;\n require(\n address(this).delegatecall(data),\n \"FAILED_EXECUTION\"\n );\n\n // Reset current transaction signer if it was previously updated\n if (signerAddress != msg.sender) {\n currentContextAddress = address(0);\n }\n }\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;\n bytes32 dataHash = keccak256(data);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,\n // salt,\n // bytes32(signerAddress),\n // keccak256(data)\n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, schemaHash) // hash of schema\n mstore(add(memPtr, 32), salt) // salt\n mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff)) // signerAddress\n mstore(add(memPtr, 96), dataHash) // hash of data\n\n // Compute hash\n result := keccak256(memPtr, 128)\n }\n return result;\n }\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address)\n {\n address currentContextAddress_ = currentContextAddress;\n address contextAddress = currentContextAddress_ == address(0) ? msg.sender : currentContextAddress_;\n return contextAddress;\n }\n}\n", + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibAbiEncoder.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MWrapperFunctions.sol\";\n\n\ncontract MixinWrapperFunctions is\n ReentrancyGuard,\n LibMath,\n LibFillResults,\n LibAbiEncoder,\n MExchangeCore,\n MWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrKillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n // Delegate to `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := delegatecall(\n gas, // forward all gas\n address, // call address of this contract\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrKillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n \n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public\n nonReentrant\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n cancelOrderInternal(orders[i]);\n }\n }\n\n /// @dev Fetches information for all passed in orders.\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n LibOrder.OrderInfo[] memory ordersInfo = new LibOrder.OrderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n ordersInfo[i] = getOrderInfo(orders[i]);\n }\n return ordersInfo;\n }\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n require(\n fillResults.takerAssetFilledAmount == takerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return fillResults;\n }\n}\n", + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssetProxyDispatcher {\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external;\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./IExchangeCore.sol\";\nimport \"./IMatchOrders.sol\";\nimport \"./ISignatureValidator.sol\";\nimport \"./ITransactions.sol\";\nimport \"./IAssetProxyDispatcher.sol\";\nimport \"./IWrapperFunctions.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract IExchange is\n IExchangeCore,\n IMatchOrders,\n ISignatureValidator,\n ITransactions,\n IAssetProxyDispatcher,\n IWrapperFunctions\n{}\n", + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IExchangeCore {\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external;\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrder(LibOrder.Order memory order)\n public;\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(LibOrder.Order memory order)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IMatchOrders {\n\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ISignatureValidator {\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external;\n \n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external;\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address of signer.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\n\ncontract ITransactions {\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external;\n}\n", + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IValidator {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IWallet {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IWrapperFunctions {\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public;\n\n /// @dev Fetches information for all passed in orders\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory);\n}\n", + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./LibOrder.sol\";\n\n\ncontract LibAbiEncoder {\n\n /// @dev ABI encodes calldata for `fillOrder`.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return ABI encoded calldata for `fillOrder`.\n function abiEncodeFillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n pure\n returns (bytes memory fillOrderCalldata)\n {\n // We need to call MExchangeCore.fillOrder using a delegatecall in\n // assembly so that we can intercept a call that throws. For this, we\n // need the input encoded in memory in the Ethereum ABIv2 format [1].\n\n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0x00 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 0x00 | | 1. offset to order (*) |\n // | | 0x20 | | 2. takerAssetFillAmount |\n // | | 0x40 | | 3. offset to signature (*) |\n // | Data | | 12 * 32 | order: |\n // | | 0x000 | | 1. senderAddress |\n // | | 0x020 | | 2. makerAddress |\n // | | 0x040 | | 3. takerAddress |\n // | | 0x060 | | 4. feeRecipientAddress |\n // | | 0x080 | | 5. makerAssetAmount |\n // | | 0x0A0 | | 6. takerAssetAmount |\n // | | 0x0C0 | | 7. makerFeeAmount |\n // | | 0x0E0 | | 8. takerFeeAmount |\n // | | 0x100 | | 9. expirationTimeSeconds |\n // | | 0x120 | | 10. salt |\n // | | 0x140 | | 11. Offset to makerAssetData (*) |\n // | | 0x160 | | 12. Offset to takerAssetData (*) |\n // | | 0x180 | 32 | makerAssetData Length |\n // | | 0x1A0 | ** | makerAssetData Contents |\n // | | 0x1C0 | 32 | takerAssetData Length |\n // | | 0x1E0 | ** | takerAssetData Contents |\n // | | 0x200 | 32 | signature Length |\n // | | 0x220 | ** | signature Contents |\n\n // * Offsets are calculated from the beginning of the current area: Header, Params, Data:\n // An offset stored in the Params area is calculated from the beginning of the Params section.\n // An offset stored in the Data area is calculated from the beginning of the Data section.\n\n // ** The length of dynamic array contents are stored in the field immediately preceeding the contents.\n\n // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html\n\n assembly {\n\n // Areas below may use the following variables:\n // 1. Start -- Start of this area in memory\n // 2. End -- End of this area in memory. This value may\n // be precomputed (before writing contents),\n // or it may be computed as contents are written.\n // 3. Offset -- Current offset into area. If an area's End\n // is precomputed, this variable tracks the\n // offsets of contents as they are written.\n\n /////// Setup Header Area ///////\n // Load free memory pointer\n fillOrderCalldata := mload(0x40)\n // bytes4(keccak256(\"fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)\"))\n // = 0xb4be83d5\n // Leave 0x20 bytes to store the length\n mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000)\n let headerAreaEnd := add(fillOrderCalldata, 0x24)\n\n /////// Setup Params Area ///////\n // This area is preallocated and written to later.\n // This is because we need to fill in offsets that have not yet been calculated.\n let paramsAreaStart := headerAreaEnd\n let paramsAreaEnd := add(paramsAreaStart, 0x60)\n let paramsAreaOffset := paramsAreaStart\n\n /////// Setup Data Area ///////\n let dataAreaStart := paramsAreaEnd\n let dataAreaEnd := dataAreaStart\n\n // Offset from the source data we're reading from\n let sourceOffset := order\n // arrayLenBytes and arrayLenWords track the length of a dynamically-allocated bytes array.\n let arrayLenBytes := 0\n let arrayLenWords := 0\n\n /////// Write order Struct ///////\n // Write memory location of Order, relative to the start of the\n // parameter list, then increment the paramsAreaOffset respectively.\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n // Write values for each field in the order\n // It would be nice to use a loop, but we save on gas by writing\n // the stores sequentially.\n mstore(dataAreaEnd, mload(sourceOffset)) // makerAddress\n mstore(add(dataAreaEnd, 0x20), mload(add(sourceOffset, 0x20))) // takerAddress\n mstore(add(dataAreaEnd, 0x40), mload(add(sourceOffset, 0x40))) // feeRecipientAddress\n mstore(add(dataAreaEnd, 0x60), mload(add(sourceOffset, 0x60))) // senderAddress\n mstore(add(dataAreaEnd, 0x80), mload(add(sourceOffset, 0x80))) // makerAssetAmount\n mstore(add(dataAreaEnd, 0xA0), mload(add(sourceOffset, 0xA0))) // takerAssetAmount\n mstore(add(dataAreaEnd, 0xC0), mload(add(sourceOffset, 0xC0))) // makerFeeAmount\n mstore(add(dataAreaEnd, 0xE0), mload(add(sourceOffset, 0xE0))) // takerFeeAmount\n mstore(add(dataAreaEnd, 0x100), mload(add(sourceOffset, 0x100))) // expirationTimeSeconds\n mstore(add(dataAreaEnd, 0x120), mload(add(sourceOffset, 0x120))) // salt\n mstore(add(dataAreaEnd, 0x140), mload(add(sourceOffset, 0x140))) // Offset to makerAssetData\n mstore(add(dataAreaEnd, 0x160), mload(add(sourceOffset, 0x160))) // Offset to takerAssetData\n dataAreaEnd := add(dataAreaEnd, 0x180)\n sourceOffset := add(sourceOffset, 0x180)\n\n // Write offset to \n mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x140)) // makerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Write offset to \n mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x160)) // takerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n /////// Write takerAssetFillAmount ///////\n mstore(paramsAreaOffset, takerAssetFillAmount)\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n /////// Write signature ///////\n // Write offset to paramsArea\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n\n // Calculate length of signature\n sourceOffset := signature\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of signature\n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of signature\n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Set length of calldata\n mstore(fillOrderCalldata, sub(dataAreaEnd, add(fillOrderCalldata, 0x20)))\n\n // Increment free memory pointer\n mstore(0x40, dataAreaEnd)\n }\n\n return fillOrderCalldata;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\n// solhint-disable max-line-length\ncontract LibConstants {\n \n // Asset data for ZRX token. Used for fee transfers.\n // @TODO: Hardcode constant when we deploy. Currently \n // not constant to make testing easier.\n\n // The proxyId for ZRX_ASSET_DATA is bytes4(keccak256(\"ERC20Token(address)\")) = 0xf47261b0\n \n // Kovan ZRX address is 0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570.\n // The ABI encoded proxyId and address is 0xf47261b00000000000000000000000006ff6c0ff1d68b964901f986d4c9fa3ac68346570\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x6f\\xf6\\xc0\\xff\\x1d\\x68\\xb9\\x64\\x90\\x1f\\x98\\x6d\\x4c\\x9f\\xa3\\xac\\x68\\x34\\x65\\x70\";\n \n // Mainnet ZRX address is 0xe41d2489571d322189246dafa5ebde1f4699f498.\n // The ABI encoded proxyId and address is 0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xe4\\x1d\\x24\\x89\\x57\\x1d\\x32\\x21\\x89\\x24\\x6d\\xaf\\xa5\\xeb\\xde\\x1f\\x46\\x99\\xf4\\x98\";\n \n // solhint-disable-next-line var-name-mixedcase\n bytes public ZRX_ASSET_DATA;\n\n // @TODO: Remove when we deploy.\n constructor (bytes memory zrxAssetData)\n public\n {\n ZRX_ASSET_DATA = zrxAssetData;\n }\n}\n// solhint-enable max-line-length\n", + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract LibEIP712 {\n\n // EIP191 header for EIP712 prefix\n string constant internal EIP191_HEADER = \"\\x19\\x01\";\n\n // EIP712 Domain Name value\n string constant internal EIP712_DOMAIN_NAME = \"0x Protocol\";\n\n // EIP712 Domain Version value\n string constant internal EIP712_DOMAIN_VERSION = \"2\";\n\n // Hash of the EIP712 Domain Separator Schema\n bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"EIP712Domain(\",\n \"string name,\",\n \"string version,\",\n \"address verifyingContract\",\n \")\"\n ));\n\n // Hash of the EIP712 Domain Separator data\n // solhint-disable-next-line var-name-mixedcase\n bytes32 public EIP712_DOMAIN_HASH;\n\n constructor ()\n public\n {\n EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(\n EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,\n keccak256(bytes(EIP712_DOMAIN_NAME)),\n keccak256(bytes(EIP712_DOMAIN_VERSION)),\n bytes32(address(this))\n ));\n }\n\n /// @dev Calculates EIP712 encoding for a hash struct in this EIP712 Domain.\n /// @param hashStruct The EIP712 hash struct.\n /// @return EIP712 hash applied to this EIP712 Domain.\n function hashEIP712Message(bytes32 hashStruct)\n internal\n view\n returns (bytes32 result)\n {\n bytes32 eip712DomainHash = EIP712_DOMAIN_HASH;\n\n // Assembly for more efficient computing:\n // keccak256(abi.encodePacked(\n // EIP191_HEADER,\n // EIP712_DOMAIN_HASH,\n // hashStruct \n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, 0x1901000000000000000000000000000000000000000000000000000000000000) // EIP191 header\n mstore(add(memPtr, 2), eip712DomainHash) // EIP712 domain hash\n mstore(add(memPtr, 34), hashStruct) // Hash of struct\n\n // Compute hash\n result := keccak256(memPtr, 66)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity 0.4.24;\n\n\n/// @dev This contract documents the revert reasons used in the Exchange contract.\n/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons.\ncontract LibExchangeErrors {\n\n /// Order validation errors ///\n string constant ORDER_UNFILLABLE = \"ORDER_UNFILLABLE\"; // Order cannot be filled.\n string constant INVALID_MAKER = \"INVALID_MAKER\"; // Invalid makerAddress.\n string constant INVALID_TAKER = \"INVALID_TAKER\"; // Invalid takerAddress.\n string constant INVALID_SENDER = \"INVALID_SENDER\"; // Invalid `msg.sender`.\n string constant INVALID_ORDER_SIGNATURE = \"INVALID_ORDER_SIGNATURE\"; // Signature validation failed. \n \n /// fillOrder validation errors ///\n string constant INVALID_TAKER_AMOUNT = \"INVALID_TAKER_AMOUNT\"; // takerAssetFillAmount cannot equal 0.\n string constant ROUNDING_ERROR = \"ROUNDING_ERROR\"; // Rounding error greater than 0.1% of takerAssetFillAmount. \n \n /// Signature validation errors ///\n string constant INVALID_SIGNATURE = \"INVALID_SIGNATURE\"; // Signature validation failed. \n string constant SIGNATURE_ILLEGAL = \"SIGNATURE_ILLEGAL\"; // Signature type is illegal.\n string constant SIGNATURE_UNSUPPORTED = \"SIGNATURE_UNSUPPORTED\"; // Signature type unsupported.\n \n /// cancelOrdersUptTo errors ///\n string constant INVALID_NEW_ORDER_EPOCH = \"INVALID_NEW_ORDER_EPOCH\"; // Specified salt must be greater than or equal to existing orderEpoch.\n\n /// fillOrKillOrder errors ///\n string constant COMPLETE_FILL_FAILED = \"COMPLETE_FILL_FAILED\"; // Desired takerAssetFillAmount could not be completely filled. \n\n /// matchOrders errors ///\n string constant NEGATIVE_SPREAD_REQUIRED = \"NEGATIVE_SPREAD_REQUIRED\"; // Matched orders must have a negative spread.\n\n /// Transaction errors ///\n string constant REENTRANCY_ILLEGAL = \"REENTRANCY_ILLEGAL\"; // Recursive reentrancy is not allowed. \n string constant INVALID_TX_HASH = \"INVALID_TX_HASH\"; // Transaction has already been executed. \n string constant INVALID_TX_SIGNATURE = \"INVALID_TX_SIGNATURE\"; // Signature validation failed. \n string constant FAILED_EXECUTION = \"FAILED_EXECUTION\"; // Transaction execution failed. \n \n /// registerAssetProxy errors ///\n string constant ASSET_PROXY_ALREADY_EXISTS = \"ASSET_PROXY_ALREADY_EXISTS\"; // AssetProxy with same id already exists.\n\n /// dispatchTransferFrom errors ///\n string constant ASSET_PROXY_DOES_NOT_EXIST = \"ASSET_PROXY_DOES_NOT_EXIST\"; // No assetProxy registered at given id.\n string constant TRANSFER_FAILED = \"TRANSFER_FAILED\"; // Asset transfer unsuccesful.\n\n /// Length validation errors ///\n string constant LENGTH_GREATER_THAN_0_REQUIRED = \"LENGTH_GREATER_THAN_0_REQUIRED\"; // Byte array must have a length greater than 0.\n string constant LENGTH_GREATER_THAN_3_REQUIRED = \"LENGTH_GREATER_THAN_3_REQUIRED\"; // Byte array must have a length greater than 3.\n string constant LENGTH_0_REQUIRED = \"LENGTH_0_REQUIRED\"; // Byte array must have a length of 0.\n string constant LENGTH_65_REQUIRED = \"LENGTH_65_REQUIRED\"; // Byte array must have a length of 65.\n}\n", + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibFillResults is\n SafeMath\n{\n struct FillResults {\n uint256 makerAssetFilledAmount; // Total amount of makerAsset(s) filled.\n uint256 takerAssetFilledAmount; // Total amount of takerAsset(s) filled.\n uint256 makerFeePaid; // Total amount of ZRX paid by maker(s) to feeRecipient(s).\n uint256 takerFeePaid; // Total amount of ZRX paid by taker to feeRecipients(s).\n }\n\n struct MatchedFillResults {\n FillResults left; // Amounts filled and fees paid of left order.\n FillResults right; // Amounts filled and fees paid of right order.\n uint256 leftMakerAssetSpreadAmount; // Spread between price of left and right order, denominated in the left order's makerAsset, paid to taker.\n }\n\n /// @dev Adds properties of both FillResults instances.\n /// Modifies the first FillResults instance specified.\n /// @param totalFillResults Fill results instance that will be added onto.\n /// @param singleFillResults Fill results instance that will be added to totalFillResults.\n function addFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)\n internal\n pure\n {\n totalFillResults.makerAssetFilledAmount = safeAdd(totalFillResults.makerAssetFilledAmount, singleFillResults.makerAssetFilledAmount);\n totalFillResults.takerAssetFilledAmount = safeAdd(totalFillResults.takerAssetFilledAmount, singleFillResults.takerAssetFilledAmount);\n totalFillResults.makerFeePaid = safeAdd(totalFillResults.makerFeePaid, singleFillResults.makerFeePaid);\n totalFillResults.takerFeePaid = safeAdd(totalFillResults.takerFeePaid, singleFillResults.takerFeePaid);\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibMath.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibMath is\n SafeMath\n{\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function safeGetPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorFloor(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function safeGetPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorCeil(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function getPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function getPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // The absolute rounding error is the difference between the rounded\n // value and the ideal value. The relative rounding error is the\n // absolute rounding error divided by the absolute value of the\n // ideal value. This is undefined when the ideal value is zero.\n //\n // The ideal value is `numerator * target / denominator`.\n // Let's call `numerator * target % denominator` the remainder.\n // The absolute error is `remainder / denominator`.\n //\n // When the ideal value is zero, we require the absolute error to\n // be zero. Fortunately, this is always the case. The ideal value is\n // zero iff `numerator == 0` and/or `target == 0`. In this case the\n // remainder and absolute error are also zero. \n if (target == 0 || numerator == 0) {\n return false;\n }\n \n // Otherwise, we want the relative rounding error to be strictly\n // less than 0.1%.\n // The relative error is `remainder / (numerator * target)`.\n // We want the relative error less than 1 / 1000:\n // remainder / (numerator * denominator) < 1 / 1000\n // or equivalently:\n // 1000 * remainder < numerator * target\n // so we have a rounding error iff:\n // 1000 * remainder >= numerator * target\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding up.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // See the comments in `isRoundingError`.\n if (target == 0 || numerator == 0) {\n // When either is zero, the ideal value and rounded value are zero\n // and there is no rounding error. (Although the relative error\n // is undefined.)\n return false;\n }\n // Compute remainder as before\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n remainder = safeSub(denominator, remainder) % denominator;\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibOrder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./LibEIP712.sol\";\n\n\ncontract LibOrder is\n LibEIP712\n{\n // Hash for the EIP712 Order Schema\n bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"Order(\",\n \"address makerAddress,\",\n \"address takerAddress,\",\n \"address feeRecipientAddress,\",\n \"address senderAddress,\",\n \"uint256 makerAssetAmount,\",\n \"uint256 takerAssetAmount,\",\n \"uint256 makerFee,\",\n \"uint256 takerFee,\",\n \"uint256 expirationTimeSeconds,\",\n \"uint256 salt,\",\n \"bytes makerAssetData,\",\n \"bytes takerAssetData\",\n \")\"\n ));\n\n // A valid order remains fillable until it is expired, fully filled, or cancelled.\n // An order's state is unaffected by external factors, like account balances.\n enum OrderStatus {\n INVALID, // Default value\n INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount\n INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount\n FILLABLE, // Order is fillable\n EXPIRED, // Order has already expired\n FULLY_FILLED, // Order is fully filled\n CANCELLED // Order has been cancelled\n }\n\n // solhint-disable max-line-length\n struct Order {\n address makerAddress; // Address that created the order. \n address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order. \n address feeRecipientAddress; // Address that will recieve fees when order is filled. \n address senderAddress; // Address that is allowed to call Exchange contract methods that affect this order. If set to 0, any address is allowed to call these methods.\n uint256 makerAssetAmount; // Amount of makerAsset being offered by maker. Must be greater than 0. \n uint256 takerAssetAmount; // Amount of takerAsset being bid on by maker. Must be greater than 0. \n uint256 makerFee; // Amount of ZRX paid to feeRecipient by maker when order is filled. If set to 0, no transfer of ZRX from maker to feeRecipient will be attempted.\n uint256 takerFee; // Amount of ZRX paid to feeRecipient by taker when order is filled. If set to 0, no transfer of ZRX from taker to feeRecipient will be attempted.\n uint256 expirationTimeSeconds; // Timestamp in seconds at which order expires. \n uint256 salt; // Arbitrary number to facilitate uniqueness of the order's hash. \n bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.\n bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.\n }\n // solhint-enable max-line-length\n\n struct OrderInfo {\n uint8 orderStatus; // Status that describes order's validity and fillability.\n bytes32 orderHash; // EIP712 hash of the order (see LibOrder.getOrderHash).\n uint256 orderTakerAssetFilledAmount; // Amount of order that has already been filled.\n }\n\n /// @dev Calculates Keccak-256 hash of the order.\n /// @param order The order structure.\n /// @return Keccak-256 EIP712 hash of the order.\n function getOrderHash(Order memory order)\n internal\n view\n returns (bytes32 orderHash)\n {\n orderHash = hashEIP712Message(hashOrder(order));\n return orderHash;\n }\n\n /// @dev Calculates EIP712 hash of the order.\n /// @param order The order structure.\n /// @return EIP712 hash of the order.\n function hashOrder(Order memory order)\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ORDER_SCHEMA_HASH;\n bytes32 makerAssetDataHash = keccak256(order.makerAssetData);\n bytes32 takerAssetDataHash = keccak256(order.takerAssetData);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ORDER_SCHEMA_HASH,\n // bytes32(order.makerAddress),\n // bytes32(order.takerAddress),\n // bytes32(order.feeRecipientAddress),\n // bytes32(order.senderAddress),\n // order.makerAssetAmount,\n // order.takerAssetAmount,\n // order.makerFee,\n // order.takerFee,\n // order.expirationTimeSeconds,\n // order.salt,\n // keccak256(order.makerAssetData),\n // keccak256(order.takerAssetData)\n // ));\n\n assembly {\n // Calculate memory addresses that will be swapped out before hashing\n let pos1 := sub(order, 32)\n let pos2 := add(order, 320)\n let pos3 := add(order, 352)\n\n // Backup\n let temp1 := mload(pos1)\n let temp2 := mload(pos2)\n let temp3 := mload(pos3)\n \n // Hash in place\n mstore(pos1, schemaHash)\n mstore(pos2, makerAssetDataHash)\n mstore(pos3, takerAssetDataHash)\n result := keccak256(pos1, 416)\n \n // Restore\n mstore(pos1, temp1)\n mstore(pos2, temp2)\n mstore(pos3, temp3)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssetProxyDispatcher.sol\";\n\n\ncontract MAssetProxyDispatcher is\n IAssetProxyDispatcher\n{\n // Logs registration of new asset proxy\n event AssetProxyRegistered(\n bytes4 id, // Id of new registered AssetProxy.\n address assetProxy // Address of new registered AssetProxy.\n );\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IExchangeCore.sol\";\n\n\ncontract MExchangeCore is\n IExchangeCore\n{\n // Fill event is emitted whenever an order is filled.\n event Fill(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that received fees.\n address takerAddress, // Address that filled the order.\n address senderAddress, // Address that called the Exchange contract (msg.sender).\n uint256 makerAssetFilledAmount, // Amount of makerAsset sold by maker and bought by taker. \n uint256 takerAssetFilledAmount, // Amount of takerAsset sold by taker and bought by maker.\n uint256 makerFeePaid, // Amount of ZRX paid to feeRecipient by maker.\n uint256 takerFeePaid, // Amount of ZRX paid to feeRecipient by taker.\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // Cancel event is emitted whenever an individual order is cancelled.\n event Cancel(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that would have recieved fees if order was filled. \n address senderAddress, // Address that called the Exchange contract (msg.sender).\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // CancelUpTo event is emitted whenever `cancelOrdersUpTo` is executed succesfully.\n event CancelUpTo(\n address indexed makerAddress, // Orders cancelled must have been created by this address.\n address indexed senderAddress, // Orders cancelled must have a `senderAddress` equal to this address.\n uint256 orderEpoch // Orders with specified makerAddress and senderAddress with a salt less than this value are considered cancelled.\n );\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrderInternal(LibOrder.Order memory order)\n internal;\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function updateFilledState(\n LibOrder.Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n LibFillResults.FillResults memory fillResults\n )\n internal;\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n LibOrder.Order memory order,\n bytes32 orderHash\n )\n internal;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo Status, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view;\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo\n )\n internal\n view;\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n LibOrder.Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.FillResults memory fillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IMatchOrders.sol\";\n\n\ncontract MMatchOrders is\n IMatchOrders\n{\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure;\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/ISignatureValidator.sol\";\n\n\ncontract MSignatureValidator is\n ISignatureValidator\n{\n event SignatureValidatorApproval(\n address indexed signerAddress, // Address that approves or disapproves a contract to verify signatures.\n address indexed validatorAddress, // Address of signature validator contract.\n bool approved // Approval or disapproval of validator contract.\n );\n\n // Allowed signature types.\n enum SignatureType {\n Illegal, // 0x00, default value\n Invalid, // 0x01\n EIP712, // 0x02\n EthSign, // 0x03\n Wallet, // 0x04\n Validator, // 0x05\n PreSigned, // 0x06\n NSignatureTypes // 0x07, number of signature types. Always leave at end.\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"../interfaces/ITransactions.sol\";\n\n\ncontract MTransactions is\n ITransactions\n{\n // Hash for the EIP712 ZeroEx Transaction Schema\n bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"ZeroExTransaction(\",\n \"uint256 salt,\",\n \"address signerAddress,\",\n \"bytes data\",\n \")\"\n ));\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result);\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address);\n}\n", + "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IWrapperFunctions.sol\";\n\n\ncontract MWrapperFunctions is \n IWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n}\n", + "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/MintableERC20Token.sol\";\n\n\ncontract DummyERC20Token is \n Ownable,\n MintableERC20Token\n{\n string public name;\n string public symbol;\n uint256 public decimals;\n uint256 public constant MAX_MINT_AMOUNT = 10000000000000000000000;\n\n constructor (\n string _name,\n string _symbol,\n uint256 _decimals,\n uint256 _totalSupply\n )\n public\n {\n name = _name;\n symbol = _symbol;\n decimals = _decimals;\n _totalSupply = _totalSupply;\n balances[msg.sender] = _totalSupply;\n }\n\n /// @dev Sets the balance of target address\n /// @param _target Address or which balance will be updated\n /// @param _value New balance of target address\n function setBalance(address _target, uint256 _value)\n external\n onlyOwner\n {\n uint256 currBalance = balances[_target];\n if (_value < currBalance) {\n _totalSupply = safeSub(_totalSupply, safeSub(currBalance, _value));\n } else {\n _totalSupply = safeAdd(_totalSupply, safeSub(_value, currBalance));\n }\n balances[_target] = _value;\n }\n\n /// @dev Mints new tokens for sender\n /// @param _value Amount of tokens to mint\n function mint(uint256 _value)\n external\n {\n require(\n _value <= MAX_MINT_AMOUNT,\n \"VALUE_TOO_LARGE\"\n );\n\n _mint(msg.sender, _value);\n }\n}\n", + "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../tokens/ERC721Token/MintableERC721Token.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract DummyERC721Token is\n Ownable,\n MintableERC721Token\n{\n string public name;\n string public symbol;\n\n constructor (\n string _name,\n string _symbol\n )\n public\n {\n name = _name;\n symbol = _symbol;\n }\n\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function mint(address _to, uint256 _tokenId)\n external\n {\n _mint(_to, _tokenId);\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist or not called by contract owner\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function burn(address _owner, uint256 _tokenId)\n external\n onlyOwner\n {\n _burn(_owner, _tokenId);\n }\n}\n", + "2.0.0/tokens/ERC20Token/ERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC20Token.sol\";\n\n\ncontract ERC20Token is\n IERC20Token\n{\n mapping (address => uint256) internal balances;\n mapping (address => mapping (address => uint256)) internal allowed;\n\n uint256 internal _totalSupply;\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool)\n {\n require(\n balances[msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[msg.sender] -= _value;\n balances[_to] += _value;\n\n emit Transfer(\n msg.sender,\n _to,\n _value\n );\n\n return true;\n }\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowed[_from][msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n allowed[_from][msg.sender] -= _value;\n \n emit Transfer(\n _from,\n _to,\n _value\n );\n \n return true;\n }\n\n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool)\n {\n allowed[msg.sender][_spender] = _value;\n emit Approval(\n msg.sender,\n _spender,\n _value\n );\n return true;\n }\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256)\n {\n return _totalSupply;\n }\n\n /// @dev Query the balance of owner\n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n return balances[_owner];\n }\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256)\n {\n return allowed[_owner][_spender];\n }\n}\n", + "2.0.0/tokens/ERC20Token/IERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n \n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n \n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", + "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/SafeMath/SafeMath.sol\";\nimport \"./UnlimitedAllowanceERC20Token.sol\";\n\n\ncontract MintableERC20Token is \n SafeMath,\n UnlimitedAllowanceERC20Token\n{\n /// @dev Mints new tokens\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _value Amount of tokens to mint\n function _mint(address _to, uint256 _value)\n internal\n {\n balances[_to] = safeAdd(_value, balances[_to]);\n _totalSupply = safeAdd(_totalSupply, _value);\n\n emit Transfer(\n address(0),\n _to,\n _value\n );\n }\n\n /// @dev Mints new tokens\n /// @param _owner Owner of tokens that will be burned\n /// @param _value Amount of tokens to burn\n function _burn(address _owner, uint256 _value)\n internal\n {\n balances[_owner] = safeSub(balances[_owner], _value);\n _totalSupply = safeSub(_totalSupply, _value);\n\n emit Transfer(\n _owner,\n address(0),\n _value\n );\n }\n}\n", + "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/ERC20Token.sol\";\n\n\ncontract UnlimitedAllowanceERC20Token is\n ERC20Token\n{\n uint256 constant internal MAX_UINT = 2**256 - 1;\n\n /// @dev ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited allowance. See https://github.com/ethereum/EIPs/issues/717\n /// @param _from Address to transfer from.\n /// @param _to Address to transfer to.\n /// @param _value Amount to transfer.\n /// @return Success of transfer.\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n uint256 allowance = allowed[_from][msg.sender];\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowance >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n if (allowance < MAX_UINT) {\n allowed[_from][msg.sender] -= _value;\n }\n\n emit Transfer(\n _from,\n _to,\n _value\n );\n\n return true;\n }\n}\n", + "2.0.0/tokens/ERC721Token/ERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC721Token.sol\";\nimport \"./IERC721Receiver.sol\";\nimport \"../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract ERC721Token is\n IERC721Token,\n SafeMath\n{\n // Function selector for ERC721Receiver.onERC721Received\n // 0x150b7a02\n bytes4 constant internal ERC721_RECEIVED = bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"));\n\n // Mapping of tokenId => owner\n mapping (uint256 => address) internal owners;\n\n // Mapping of tokenId => approved address\n mapping (uint256 => address) internal approvals;\n\n // Mapping of owner => number of tokens owned\n mapping (address => uint256) internal balances;\n\n // Mapping of owner => operator => approved\n mapping (address => mapping (address => bool)) internal operatorApprovals;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n _data\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n \"\"\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external\n {\n address owner = ownerOf(_tokenId);\n require(\n msg.sender == owner || isApprovedForAll(owner, msg.sender),\n \"ERC721_INVALID_SENDER\"\n );\n\n approvals[_tokenId] = _approved;\n emit Approval(\n owner,\n _approved,\n _tokenId\n );\n }\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external\n {\n operatorApprovals[msg.sender][_operator] = _approved;\n emit ApprovalForAll(\n msg.sender,\n _operator,\n _approved\n );\n }\n \n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return balances[_owner];\n }\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = ownerOf(_tokenId);\n require(\n _from == owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n address spender = msg.sender;\n address approvedAddress = getApproved(_tokenId);\n require(\n spender == owner ||\n isApprovedForAll(owner, spender) ||\n approvedAddress == spender,\n \"ERC721_INVALID_SPENDER\"\n );\n\n if (approvedAddress != address(0)) {\n approvals[_tokenId] = address(0);\n }\n\n owners[_tokenId] = _to;\n balances[_from] = safeSub(balances[_from], 1);\n balances[_to] = safeAdd(balances[_to], 1);\n \n emit Transfer(\n _from,\n _to,\n _tokenId\n );\n }\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address)\n {\n address owner = owners[_tokenId];\n require(\n owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return owner;\n }\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId)\n public\n view\n returns (address)\n {\n return approvals[_tokenId];\n }\n\n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool)\n {\n return operatorApprovals[_owner][_operator];\n }\n}\n", + "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Receiver {\n\n /// @notice Handle the receipt of an NFT\n /// @dev The ERC721 smart contract calls this function on the recipient\n /// after a `transfer`. This function MAY throw to revert and reject the\n /// transfer. Return of other than the magic value MUST result in the\n /// transaction being reverted.\n /// Note: the contract address is always the message sender.\n /// @param _operator The address which called `safeTransferFrom` function\n /// @param _from The address which previously owned the token\n /// @param _tokenId The NFT identifier which is being transferred\n /// @param _data Additional data with no specified format\n /// @return `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`\n /// unless throwing\n function onERC721Received(\n address _operator,\n address _from,\n uint256 _tokenId,\n bytes _data\n )\n external\n returns (bytes4);\n}\n", + "2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Token {\n\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(\n address indexed _owner,\n address indexed _approved,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(\n address indexed _owner,\n address indexed _operator,\n bool _approved\n );\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// perator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external;\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public;\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address);\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) \n public\n view\n returns (address);\n \n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool);\n}\n", + "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./ERC721Token.sol\";\n\n\ncontract MintableERC721Token is\n ERC721Token\n{\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function _mint(address _to, uint256 _tokenId)\n internal\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == address(0),\n \"ERC721_OWNER_ALREADY_EXISTS\"\n );\n\n owners[_tokenId] = _to;\n balances[_to] = safeAdd(balances[_to], 1);\n\n emit Transfer(\n address(0),\n _to,\n _tokenId\n );\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function _burn(address _owner, uint256 _tokenId)\n internal\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == _owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n owners[_tokenId] = address(0);\n balances[_owner] = safeSub(balances[_owner], 1);\n\n emit Transfer(\n _owner,\n address(0),\n _tokenId\n );\n }\n}\n", + "2.0.0/tokens/EtherToken/IEtherToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/IERC20Token.sol\";\n\n\ncontract IEtherToken is\n IERC20Token\n{\n function deposit()\n public\n payable;\n \n function withdraw(uint256 amount)\n public;\n}\n", + "2.0.0/utils/LibBytes/LibBytes.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\nlibrary LibBytes {\n\n using LibBytes for bytes;\n\n /// @dev Gets the memory address for a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of byte array. This\n /// points to the header of the byte array which contains\n /// the length.\n function rawAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := input\n }\n return memoryAddress;\n }\n \n /// @dev Gets the memory address for the contents of a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of the contents of the byte array.\n function contentAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := add(input, 32)\n }\n return memoryAddress;\n }\n\n /// @dev Copies `length` bytes from memory location `source` to `dest`.\n /// @param dest memory address to copy bytes to.\n /// @param source memory address to copy bytes from.\n /// @param length number of bytes to copy.\n function memCopy(\n uint256 dest,\n uint256 source,\n uint256 length\n )\n internal\n pure\n {\n if (length < 32) {\n // Handle a partial word by reading destination and masking\n // off the bits we are interested in.\n // This correctly handles overlap, zero lengths and source == dest\n assembly {\n let mask := sub(exp(256, sub(32, length)), 1)\n let s := and(mload(source), not(mask))\n let d := and(mload(dest), mask)\n mstore(dest, or(s, d))\n }\n } else {\n // Skip the O(length) loop when source == dest.\n if (source == dest) {\n return;\n }\n\n // For large copies we copy whole words at a time. The final\n // word is aligned to the end of the range (instead of after the\n // previous) to handle partial words. So a copy will look like this:\n //\n // ####\n // ####\n // ####\n // ####\n //\n // We handle overlap in the source and destination range by\n // changing the copying direction. This prevents us from\n // overwriting parts of source that we still need to copy.\n //\n // This correctly handles source == dest\n //\n if (source > dest) {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because it\n // is easier to compare with in the loop, and these\n // are also the addresses we need for copying the\n // last bytes.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the last 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the last bytes in\n // source already due to overlap.\n let last := mload(sEnd)\n\n // Copy whole words front to back\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} lt(source, sEnd) {} {\n mstore(dest, mload(source))\n source := add(source, 32)\n dest := add(dest, 32)\n }\n \n // Write the last 32 bytes\n mstore(dEnd, last)\n }\n } else {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because those\n // are the starting points when copying a word at the end.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the first 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the first bytes in\n // source already due to overlap.\n let first := mload(source)\n\n // Copy whole words back to front\n // We use a signed comparisson here to allow dEnd to become\n // negative (happens when source and dest < 32). Valid\n // addresses in local memory will never be larger than\n // 2**255, so they can be safely re-interpreted as signed.\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} slt(dest, dEnd) {} {\n mstore(dEnd, mload(sEnd))\n sEnd := sub(sEnd, 32)\n dEnd := sub(dEnd, 32)\n }\n \n // Write the first 32 bytes\n mstore(dest, first)\n }\n }\n }\n }\n\n /// @dev Returns a slices from a byte array.\n /// @param b The byte array to take a slice from.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n function slice(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure and copy contents\n result = new bytes(to - from);\n memCopy(\n result.contentAddress(),\n b.contentAddress() + from,\n result.length\n );\n return result;\n }\n \n /// @dev Returns a slice from a byte array without preserving the input.\n /// @param b The byte array to take a slice from. Will be destroyed in the process.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n /// @dev When `from == 0`, the original array will match the slice. In other cases its state will be corrupted.\n function sliceDestructive(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure around [from, to) in-place.\n assembly {\n result := add(b, from)\n mstore(result, sub(to, from))\n }\n return result;\n }\n\n /// @dev Pops the last byte off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The byte that was popped off.\n function popLastByte(bytes memory b)\n internal\n pure\n returns (bytes1 result)\n {\n require(\n b.length > 0,\n \"GREATER_THAN_ZERO_LENGTH_REQUIRED\"\n );\n\n // Store last byte.\n result = b[b.length - 1];\n\n assembly {\n // Decrement length of byte array.\n let newLen := sub(mload(b), 1)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Pops the last 20 bytes off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The 20 byte address that was popped off.\n function popLast20Bytes(bytes memory b)\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= 20,\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Store last 20 bytes.\n result = readAddress(b, b.length - 20);\n\n assembly {\n // Subtract 20 from byte array length.\n let newLen := sub(mload(b), 20)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Tests equality of two byte arrays.\n /// @param lhs First byte array to compare.\n /// @param rhs Second byte array to compare.\n /// @return True if arrays are the same. False otherwise.\n function equals(\n bytes memory lhs,\n bytes memory rhs\n )\n internal\n pure\n returns (bool equal)\n {\n // Keccak gas cost is 30 + numWords * 6. This is a cheap way to compare.\n // We early exit on unequal lengths, but keccak would also correctly\n // handle this.\n return lhs.length == rhs.length && keccak256(lhs) == keccak256(rhs);\n }\n\n /// @dev Reads an address from a position in a byte array.\n /// @param b Byte array containing an address.\n /// @param index Index in byte array of address.\n /// @return address from byte array.\n function readAddress(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Read address from array memory\n assembly {\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 20-byte mask to obtain address\n result := and(mload(add(b, index)), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n return result;\n }\n\n /// @dev Writes an address into a specific position in a byte array.\n /// @param b Byte array to insert address into.\n /// @param index Index in byte array of address.\n /// @param input Address to put into byte array.\n function writeAddress(\n bytes memory b,\n uint256 index,\n address input\n )\n internal\n pure\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Store address into array memory\n assembly {\n // The address occupies 20 bytes and mstore stores 32 bytes.\n // First fetch the 32-byte word where we'll be storing the address, then\n // apply a mask so we have only the bytes in the word that the address will not occupy.\n // Then combine these bytes with the address and store the 32 bytes back to memory with mstore.\n\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 12-byte mask to obtain extra bytes occupying word of memory where we'll store the address\n let neighbors := and(\n mload(add(b, index)),\n 0xffffffffffffffffffffffff0000000000000000000000000000000000000000\n )\n \n // Make sure input address is clean.\n // (Solidity does not guarantee this)\n input := and(input, 0xffffffffffffffffffffffffffffffffffffffff)\n\n // Store the neighbors and address into memory\n mstore(add(b, index), xor(input, neighbors))\n }\n }\n\n /// @dev Reads a bytes32 value from a position in a byte array.\n /// @param b Byte array containing a bytes32 value.\n /// @param index Index in byte array of bytes32 value.\n /// @return bytes32 value from byte array.\n function readBytes32(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes32 result)\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n result := mload(add(b, index))\n }\n return result;\n }\n\n /// @dev Writes a bytes32 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes32 to put into byte array.\n function writeBytes32(\n bytes memory b,\n uint256 index,\n bytes32 input\n )\n internal\n pure\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n mstore(add(b, index), input)\n }\n }\n\n /// @dev Reads a uint256 value from a position in a byte array.\n /// @param b Byte array containing a uint256 value.\n /// @param index Index in byte array of uint256 value.\n /// @return uint256 value from byte array.\n function readUint256(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (uint256 result)\n {\n result = uint256(readBytes32(b, index));\n return result;\n }\n\n /// @dev Writes a uint256 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input uint256 to put into byte array.\n function writeUint256(\n bytes memory b,\n uint256 index,\n uint256 input\n )\n internal\n pure\n {\n writeBytes32(b, index, bytes32(input));\n }\n\n /// @dev Reads an unpadded bytes4 value from a position in a byte array.\n /// @param b Byte array containing a bytes4 value.\n /// @param index Index in byte array of bytes4 value.\n /// @return bytes4 value from byte array.\n function readBytes4(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes4 result)\n {\n require(\n b.length >= index + 4,\n \"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 32 byte length field\n index += 32;\n\n // Read the bytes4 from array memory\n assembly {\n result := mload(add(b, index))\n // Solidity does not require us to clean the trailing bytes.\n // We do it anyway\n result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)\n }\n return result;\n }\n\n /// @dev Reads nested bytes from a specific position.\n /// @dev NOTE: the returned value overlaps with the input value.\n /// Both should be treated as immutable.\n /// @param b Byte array containing nested bytes.\n /// @param index Index of nested bytes.\n /// @return result Nested bytes.\n function readBytesWithLength(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes memory result)\n {\n // Read length of nested bytes\n uint256 nestedBytesLength = readUint256(b, index);\n index += 32;\n\n // Assert length of is valid, given\n // length of nested bytes\n require(\n b.length >= index + nestedBytesLength,\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n \n // Return a pointer to the byte array as it exists inside `b`\n assembly {\n result := add(b, index)\n }\n return result;\n }\n\n /// @dev Inserts bytes at a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes to insert.\n function writeBytesWithLength(\n bytes memory b,\n uint256 index,\n bytes memory input\n )\n internal\n pure\n {\n // Assert length of is valid, given\n // length of input\n require(\n b.length >= index + 32 + input.length, // 32 bytes to store length\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n\n // Copy into \n memCopy(\n b.contentAddress() + index,\n input.rawAddress(), // includes length of \n input.length + 32 // +32 bytes to store length\n );\n }\n\n /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length.\n /// @param dest Byte array that will be overwritten with source bytes.\n /// @param source Byte array to copy onto dest bytes.\n function deepCopyBytes(\n bytes memory dest,\n bytes memory source\n )\n internal\n pure\n {\n uint256 sourceLen = source.length;\n // Dest length must be >= source length, or some bytes would not be copied.\n require(\n dest.length >= sourceLen,\n \"GREATER_OR_EQUAL_TO_SOURCE_BYTES_LENGTH_REQUIRED\"\n );\n memCopy(\n dest.contentAddress(),\n source.contentAddress(),\n sourceLen\n );\n }\n}\n", + "2.0.0/utils/Ownable/IOwnable.sol": "pragma solidity 0.4.24;\n\n\ncontract IOwnable {\n\n function transferOwnership(address newOwner)\n public;\n}\n", + "2.0.0/utils/Ownable/Ownable.sol": "pragma solidity 0.4.24;\n\nimport \"./IOwnable.sol\";\n\n\ncontract Ownable is\n IOwnable\n{\n address public owner;\n\n constructor ()\n public\n {\n owner = msg.sender;\n }\n\n modifier onlyOwner() {\n require(\n msg.sender == owner,\n \"ONLY_CONTRACT_OWNER\"\n );\n _;\n }\n\n function transferOwnership(address newOwner)\n public\n onlyOwner\n {\n if (newOwner != address(0)) {\n owner = newOwner;\n }\n }\n}\n", + "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ReentrancyGuard {\n\n // Locked state of mutex\n bool private locked = false;\n\n /// @dev Functions with this modifer cannot be reentered. The mutex will be locked\n /// before function execution and unlocked after.\n modifier nonReentrant() {\n // Ensure mutex is unlocked\n require(\n !locked,\n \"REENTRANCY_ILLEGAL\"\n );\n\n // Lock mutex before function call\n locked = true;\n\n // Perform function call\n _;\n\n // Unlock mutex after function call\n locked = false;\n }\n}\n", + "2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n\n function safeMul(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(\n c / a == b,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function safeDiv(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a / b;\n return c;\n }\n\n function safeSub(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n require(\n b <= a,\n \"UINT256_UNDERFLOW\"\n );\n return a - b;\n }\n\n function safeAdd(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a + b;\n require(\n c >= a,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function max64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n\n function max256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n}\n" + }, + "sourceTreeHashHex": "0x95729ff69e872a60a92c7eef28cea3188d821ab1a379a46c12b21fc386a9855c", + "compiler": { + "name": "solc", + "version": "soljson-v0.4.24+commit.e67f0147.js", + "settings": { + "optimizer": { + "enabled": true, + "runs": 1000000 + }, + "outputSelection": { + "*": { + "*": [ + "abi", + "evm.bytecode.object", + "evm.bytecode.sourceMap", + "evm.deployedBytecode.object", + "evm.deployedBytecode.sourceMap" + ] + } + } + } + }, + "networks": { + "3": { + "address": "0x90431a90516ab49af23a0530e04e8c7836e7122f", + "links": {}, + "constructorArgs": "[\"0x4530c0483a1633c7a1c97d2c53721caff2caaaaf\",\"0xf47261b0000000000000000000000000ff67881f8d12f372d91baae9752eb3631ff0ed00\"]" + }, + "42": { + "address": "0xb389da3d204b412df2f75c6afb3d0a7ce0bc283d", + "links": {}, + "constructorArgs": "[\"0x35dd2932454449b14cee11a94d3674a936d5d7b2\",\"0xf47261b00000000000000000000000002002d3812f58e35f0ea1ffbf80a75a38c32175fa\"]" + }, + "50": { + "address": "0xe86bb98fcf9bff3512c74589b78fb168200cc546", + "links": {}, + "constructorArgs": "[\"0x48bacb9266a570d521063ef5dd96e61686dbe788\",\"0xf47261b0000000000000000000000000871dd7c2b4b25e1aa18728e9d5f2af4c4e431f5c\"]" + } + } +} \ No newline at end of file diff --git a/packages/migrations/artifacts/2.0.0-testnet/WETH9.json b/packages/migrations/artifacts/2.0.0-testnet/WETH9.json new file mode 100644 index 000000000..8cca84e41 --- /dev/null +++ b/packages/migrations/artifacts/2.0.0-testnet/WETH9.json @@ -0,0 +1,346 @@ +{ + "schemaVersion": "2.0.0", + "contractName": "WETH9", + "compilerOutput": { + "abi": [ + { + "constant": true, + "inputs": [], + "name": "name", + "outputs": [ + { + "name": "", + "type": "string" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "guy", + "type": "address" + }, + { + "name": "wad", + "type": "uint256" + } + ], + "name": "approve", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "totalSupply", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "src", + "type": "address" + }, + { + "name": "dst", + "type": "address" + }, + { + "name": "wad", + "type": "uint256" + } + ], + "name": "transferFrom", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "wad", + "type": "uint256" + } + ], + "name": "withdraw", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "decimals", + "outputs": [ + { + "name": "", + "type": "uint8" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "", + "type": "address" + } + ], + "name": "balanceOf", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "symbol", + "outputs": [ + { + "name": "", + "type": "string" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "dst", + "type": "address" + }, + { + "name": "wad", + "type": "uint256" + } + ], + "name": "transfer", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [], + "name": "deposit", + "outputs": [], + "payable": true, + "stateMutability": "payable", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "", + "type": "address" + }, + { + "name": "", + "type": "address" + } + ], + "name": "allowance", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "payable": true, + "stateMutability": "payable", + "type": "fallback" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "_owner", + "type": "address" + }, + { + "indexed": true, + "name": "_spender", + "type": "address" + }, + { + "indexed": false, + "name": "_value", + "type": "uint256" + } + ], + "name": "Approval", + "type": "event" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "_from", + "type": "address" + }, + { + "indexed": true, + "name": "_to", + "type": "address" + }, + { + "indexed": false, + "name": "_value", + "type": "uint256" + } + ], + "name": "Transfer", + "type": "event" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "_owner", + "type": "address" + }, + { + "indexed": false, + "name": "_value", + "type": "uint256" + } + ], + "name": "Deposit", + "type": "event" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "_owner", + "type": "address" + }, + { + "indexed": false, + "name": "_value", + "type": "uint256" + } + ], + "name": "Withdrawal", + "type": "event" + } + ], + "evm": { + "bytecode": { + "linkReferences": {}, + "object": 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JUMP JUMPDEST DUP3 DUP1 ADD PUSH1 0x1 ADD DUP6 SSTORE DUP3 ISZERO PUSH2 0x111 JUMPI SWAP2 DUP3 ADD JUMPDEST DUP3 DUP2 GT ISZERO PUSH2 0x111 JUMPI DUP3 MLOAD DUP3 SSTORE SWAP2 PUSH1 0x20 ADD SWAP2 SWAP1 PUSH1 0x1 ADD SWAP1 PUSH2 0xF6 JUMP JUMPDEST POP PUSH2 0x11D SWAP3 SWAP2 POP PUSH2 0x121 JUMP JUMPDEST POP SWAP1 JUMP JUMPDEST PUSH2 0x13B SWAP2 SWAP1 JUMPDEST DUP1 DUP3 GT ISZERO PUSH2 0x11D JUMPI PUSH1 0x0 DUP2 SSTORE PUSH1 0x1 ADD PUSH2 0x127 JUMP JUMPDEST SWAP1 JUMP JUMPDEST PUSH2 0x768 DUP1 PUSH2 0x14D PUSH1 0x0 CODECOPY PUSH1 0x0 RETURN STOP PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0xAE JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x6FDDE03 DUP2 EQ PUSH2 0xB8 JUMPI DUP1 PUSH4 0x95EA7B3 EQ PUSH2 0x142 JUMPI DUP1 PUSH4 0x18160DDD EQ PUSH2 0x187 JUMPI DUP1 PUSH4 0x23B872DD EQ PUSH2 0x1AE JUMPI DUP1 PUSH4 0x2E1A7D4D EQ PUSH2 0x1E5 JUMPI DUP1 PUSH4 0x313CE567 EQ PUSH2 0x1FD JUMPI DUP1 PUSH4 0x70A08231 EQ PUSH2 0x228 JUMPI DUP1 PUSH4 0x95D89B41 EQ PUSH2 0x256 JUMPI DUP1 PUSH4 0xA9059CBB EQ PUSH2 0x26B JUMPI DUP1 PUSH4 0xD0E30DB0 EQ PUSH2 0xAE JUMPI DUP1 PUSH4 0xDD62ED3E EQ PUSH2 0x29C JUMPI JUMPDEST PUSH2 0xB6 PUSH2 0x2D0 JUMP JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xC4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xCD PUSH2 0x31F JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 ADD SWAP1 DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x107 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0xEF JUMP JUMPDEST POP POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x134 JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 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PUSH2 0x212 PUSH2 0x678 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0xFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x234 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19C PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x681 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x262 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xCD PUSH2 0x693 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x277 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x173 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x70B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2A8 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19C PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0x71F JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP2 DUP3 SWAP1 KECCAK256 DUP1 SLOAD CALLVALUE SWAP1 DUP2 ADD SWAP1 SWAP2 SSTORE DUP3 MLOAD SWAP1 DUP2 MSTORE SWAP2 MLOAD PUSH32 0xE1FFFCC4923D04B559F4D29A8BFC6CDA04EB5B0D3C460751C2402C5C5CC9109C SWAP3 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG2 JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x3C3 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x398 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x3C3 JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x3A6 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP DUP2 JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP1 DUP6 MSTORE SWAP1 DUP4 MSTORE DUP2 DUP5 KECCAK256 DUP7 SWAP1 SSTORE DUP2 MLOAD DUP7 DUP2 MSTORE SWAP2 MLOAD SWAP4 SWAP5 SWAP1 SWAP4 SWAP1 SWAP3 PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 SWAP3 DUP3 SWAP1 SUB ADD SWAP1 LOG3 POP PUSH1 0x1 SWAP3 SWAP2 POP POP JUMP JUMPDEST ADDRESS BALANCE SWAP1 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 SLOAD DUP3 GT ISZERO PUSH2 0x475 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND CALLER EQ DUP1 ISZERO SWAP1 PUSH2 0x4EB JUMPI POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP5 MSTORE SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF EQ ISZERO JUMPDEST ISZERO PUSH2 0x565 JUMPI PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP5 MSTORE SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 SLOAD DUP3 GT ISZERO PUSH2 0x52D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP5 MSTORE SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 DUP1 SLOAD DUP4 SWAP1 SUB SWAP1 SSTORE JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP6 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 DUP1 SLOAD DUP9 SWAP1 SUB SWAP1 SSTORE SWAP4 DUP8 AND DUP1 DUP4 MSTORE SWAP2 DUP5 SWAP1 KECCAK256 DUP1 SLOAD DUP8 ADD SWAP1 SSTORE DUP4 MLOAD DUP7 DUP2 MSTORE SWAP4 MLOAD SWAP2 SWAP4 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP3 SWAP1 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP PUSH1 0x1 SWAP4 SWAP3 POP POP POP JUMP JUMPDEST CALLER PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP2 GT ISZERO PUSH2 0x5FF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD DUP6 SWAP1 SUB SWAP1 SSTORE MLOAD DUP4 ISZERO PUSH2 0x8FC MUL SWAP2 DUP5 SWAP2 SWAP1 DUP2 DUP2 DUP2 DUP6 DUP9 DUP9 CALL SWAP4 POP POP POP POP ISZERO DUP1 ISZERO PUSH2 0x63E JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP PUSH1 0x40 DUP1 MLOAD DUP3 DUP2 MSTORE SWAP1 MLOAD CALLER SWAP2 PUSH32 0x7FCF532C15F0A6DB0BD6D0E038BEA71D30D808C7D98CB3BF7268A95BF5081B65 SWAP2 SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 LOG2 POP JUMP JUMPDEST PUSH1 0x2 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x1 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 DUP5 DUP7 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x3C3 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x398 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x3C3 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x718 CALLER DUP5 DUP5 PUSH2 0x443 JUMP JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x0 SWAP3 DUP4 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 SWAP1 SWAP2 MSTORE SWAP1 DUP3 MSTORE SWAP1 KECCAK256 SLOAD DUP2 JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 0x22 DUP10 DUP2 CALL 0x1f 0x47 0xad SWAP7 ADDRESS ADDMOD STOP PUSH10 0xB0A81423FCFBA5AA8E0F 0x47 DUP11 JUMPI SWAP13 0x4b 0xc0 DUP1 0xba PUSH31 0x82002900000000000000000000000000000000000000000000000000000000 ", + "sourceMap": "753:40:0:-;732:1806;753:40;;732:1806;753:40;;;;;;;;;;-1:-1:-1;;753:40:0;;:::i;:::-;-1:-1:-1;799:31:0;;;;;;;;;;;;;;;;;;;;;;;;;;:::i;:::-;-1:-1:-1;836:27:0;;;-1:-1:-1;;836:27:0;861:2;836:27;;;732:1806;5:2:-1;;;;30:1;27;20:12;5:2;732:1806:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;732:1806:0;;;-1:-1:-1;732:1806:0;:::i;:::-;;;:::o;:::-;;;;;;;;;;;;;;;;;;;;:::o;:::-;;;;;;;" + }, + "deployedBytecode": { + "linkReferences": {}, + "object": "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", + "opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0xAE JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x6FDDE03 DUP2 EQ PUSH2 0xB8 JUMPI DUP1 PUSH4 0x95EA7B3 EQ PUSH2 0x142 JUMPI DUP1 PUSH4 0x18160DDD EQ PUSH2 0x187 JUMPI DUP1 PUSH4 0x23B872DD EQ PUSH2 0x1AE JUMPI DUP1 PUSH4 0x2E1A7D4D EQ PUSH2 0x1E5 JUMPI DUP1 PUSH4 0x313CE567 EQ PUSH2 0x1FD JUMPI DUP1 PUSH4 0x70A08231 EQ PUSH2 0x228 JUMPI DUP1 PUSH4 0x95D89B41 EQ PUSH2 0x256 JUMPI DUP1 PUSH4 0xA9059CBB EQ PUSH2 0x26B JUMPI DUP1 PUSH4 0xD0E30DB0 EQ PUSH2 0xAE JUMPI DUP1 PUSH4 0xDD62ED3E EQ PUSH2 0x29C JUMPI JUMPDEST PUSH2 0xB6 PUSH2 0x2D0 JUMP JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xC4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xCD PUSH2 0x31F JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 ADD SWAP1 DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x107 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0xEF JUMP JUMPDEST POP POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x134 JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x14E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x173 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x3CB JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x193 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19C PUSH2 0x43E JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1BA JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x173 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x443 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1F1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xB6 PUSH1 0x4 CALLDATALOAD PUSH2 0x5E3 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x209 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x212 PUSH2 0x678 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0xFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x234 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19C PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x681 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x262 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xCD PUSH2 0x693 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x277 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x173 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x70B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2A8 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19C PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0x71F JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP2 DUP3 SWAP1 KECCAK256 DUP1 SLOAD CALLVALUE SWAP1 DUP2 ADD SWAP1 SWAP2 SSTORE DUP3 MLOAD SWAP1 DUP2 MSTORE SWAP2 MLOAD PUSH32 0xE1FFFCC4923D04B559F4D29A8BFC6CDA04EB5B0D3C460751C2402C5C5CC9109C SWAP3 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG2 JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x3C3 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x398 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x3C3 JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x3A6 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP DUP2 JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP1 DUP6 MSTORE SWAP1 DUP4 MSTORE DUP2 DUP5 KECCAK256 DUP7 SWAP1 SSTORE DUP2 MLOAD DUP7 DUP2 MSTORE SWAP2 MLOAD SWAP4 SWAP5 SWAP1 SWAP4 SWAP1 SWAP3 PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 SWAP3 DUP3 SWAP1 SUB ADD SWAP1 LOG3 POP PUSH1 0x1 SWAP3 SWAP2 POP POP JUMP JUMPDEST ADDRESS BALANCE SWAP1 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 SLOAD DUP3 GT ISZERO PUSH2 0x475 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND CALLER EQ DUP1 ISZERO SWAP1 PUSH2 0x4EB JUMPI POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP5 MSTORE SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF EQ ISZERO JUMPDEST ISZERO PUSH2 0x565 JUMPI PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP5 MSTORE SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 SLOAD DUP3 GT ISZERO PUSH2 0x52D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP5 MSTORE SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 DUP1 SLOAD DUP4 SWAP1 SUB SWAP1 SSTORE JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP6 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 DUP1 SLOAD DUP9 SWAP1 SUB SWAP1 SSTORE SWAP4 DUP8 AND DUP1 DUP4 MSTORE SWAP2 DUP5 SWAP1 KECCAK256 DUP1 SLOAD DUP8 ADD SWAP1 SSTORE DUP4 MLOAD DUP7 DUP2 MSTORE SWAP4 MLOAD SWAP2 SWAP4 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP3 SWAP1 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP PUSH1 0x1 SWAP4 SWAP3 POP POP POP JUMP JUMPDEST CALLER PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP2 GT ISZERO PUSH2 0x5FF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD DUP6 SWAP1 SUB SWAP1 SSTORE MLOAD DUP4 ISZERO PUSH2 0x8FC MUL SWAP2 DUP5 SWAP2 SWAP1 DUP2 DUP2 DUP2 DUP6 DUP9 DUP9 CALL SWAP4 POP POP POP POP ISZERO DUP1 ISZERO PUSH2 0x63E JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP PUSH1 0x40 DUP1 MLOAD DUP3 DUP2 MSTORE SWAP1 MLOAD CALLER SWAP2 PUSH32 0x7FCF532C15F0A6DB0BD6D0E038BEA71D30D808C7D98CB3BF7268A95BF5081B65 SWAP2 SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 LOG2 POP JUMP JUMPDEST PUSH1 0x2 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x1 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 DUP5 DUP7 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x3C3 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x398 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x3C3 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x718 CALLER DUP5 DUP5 PUSH2 0x443 JUMP JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x0 SWAP3 DUP4 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 SWAP1 SWAP2 MSTORE SWAP1 DUP3 MSTORE SWAP1 KECCAK256 SLOAD DUP2 JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 0x22 DUP10 DUP2 CALL 0x1f 0x47 0xad SWAP7 ADDRESS ADDMOD STOP PUSH10 0xB0A81423FCFBA5AA8E0F 0x47 DUP11 JUMPI SWAP13 0x4b 0xc0 DUP1 0xba PUSH31 0x82002900000000000000000000000000000000000000000000000000000000 ", + "sourceMap": 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+ } + } + }, + "sources": { + "2.0.0/tokens/EtherToken/WETH9.sol": { + "id": 0 + } + }, + "sourceCodes": { + "2.0.0/tokens/EtherToken/WETH9.sol": "// Copyright (C) 2015, 2016, 2017 Dapphub\n\n// This program is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n\n// This program is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n// GNU General Public License for more details.\n\n// You should have received a copy of the GNU General Public License\n// along with this program. If not, see .\n\n// solhint-disable\npragma solidity ^0.4.18;\n\n\ncontract WETH9 {\n string public name = \"Wrapped Ether\";\n string public symbol = \"WETH\";\n uint8 public decimals = 18;\n\n event Approval(address indexed _owner, address indexed _spender, uint _value);\n event Transfer(address indexed _from, address indexed _to, uint _value);\n event Deposit(address indexed _owner, uint _value);\n event Withdrawal(address indexed _owner, uint _value);\n\n mapping (address => uint) public balanceOf;\n mapping (address => mapping (address => uint)) public allowance;\n\n function() public payable {\n deposit();\n }\n function deposit() public payable {\n balanceOf[msg.sender] += msg.value;\n Deposit(msg.sender, msg.value);\n }\n function withdraw(uint wad) public {\n require(balanceOf[msg.sender] >= wad);\n balanceOf[msg.sender] -= wad;\n msg.sender.transfer(wad);\n Withdrawal(msg.sender, wad);\n }\n\n function totalSupply() public view returns (uint) {\n return this.balance;\n }\n\n function approve(address guy, uint wad) public returns (bool) {\n allowance[msg.sender][guy] = wad;\n Approval(msg.sender, guy, wad);\n return true;\n }\n\n function transfer(address dst, uint wad) public returns (bool) {\n return transferFrom(msg.sender, dst, wad);\n }\n\n function transferFrom(address src, address dst, uint wad)\n public\n returns (bool)\n {\n require(balanceOf[src] >= wad);\n\n if (src != msg.sender && allowance[src][msg.sender] != uint(-1)) {\n require(allowance[src][msg.sender] >= wad);\n allowance[src][msg.sender] -= wad;\n }\n\n balanceOf[src] -= wad;\n balanceOf[dst] += wad;\n\n Transfer(src, dst, wad);\n\n return true;\n }\n}\n\n\n/*\n GNU GENERAL PUBLIC LICENSE\n Version 3, 29 June 2007\n\n Copyright (C) 2007 Free Software Foundation, Inc. \n Everyone is permitted to copy and distribute verbatim copies\n of this license document, but changing it is not allowed.\n\n Preamble\n\n The GNU General Public License is a free, copyleft license for\nsoftware and other kinds of works.\n\n The licenses for most software and other practical works are designed\nto take away your freedom to share and change the works. By contrast,\nthe GNU General Public License is intended to guarantee your freedom to\nshare and change all versions of a program--to make sure it remains free\nsoftware for all its users. We, the Free Software Foundation, use the\nGNU General Public License for most of our software; it applies also to\nany other work released this way by its authors. You can apply it to\nyour programs, too.\n\n When we speak of free software, we are referring to freedom, not\nprice. Our General Public Licenses are designed to make sure that you\nhave the freedom to distribute copies of free software (and charge for\nthem if you wish), that you receive source code or can get it if you\nwant it, that you can change the software or use pieces of it in new\nfree programs, and that you know you can do these things.\n\n To protect your rights, we need to prevent others from denying you\nthese rights or asking you to surrender the rights. Therefore, you have\ncertain responsibilities if you distribute copies of the software, or if\nyou modify it: responsibilities to respect the freedom of others.\n\n For example, if you distribute copies of such a program, whether\ngratis or for a fee, you must pass on to the recipients the same\nfreedoms that you received. You must make sure that they, too, receive\nor can get the source code. And you must show them these terms so they\nknow their rights.\n\n Developers that use the GNU GPL protect your rights with two steps:\n(1) assert copyright on the software, and (2) offer you this License\ngiving you legal permission to copy, distribute and/or modify it.\n\n For the developers' and authors' protection, the GPL clearly explains\nthat there is no warranty for this free software. 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If your rights have been terminated and not permanently\nreinstated, you do not qualify to receive new licenses for the same\nmaterial under section 10.\n\n 9. Acceptance Not Required for Having Copies.\n\n You are not required to accept this License in order to receive or\nrun a copy of the Program. Ancillary propagation of a covered work\noccurring solely as a consequence of using peer-to-peer transmission\nto receive a copy likewise does not require acceptance. However,\nnothing other than this License grants you permission to propagate or\nmodify any covered work. These actions infringe copyright if you do\nnot accept this License. Therefore, by modifying or propagating a\ncovered work, you indicate your acceptance of this License to do so.\n\n 10. Automatic Licensing of Downstream Recipients.\n\n Each time you convey a covered work, the recipient automatically\nreceives a license from the original licensors, to run, modify and\npropagate that work, subject to this License. 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For example, you may\nnot impose a license fee, royalty, or other charge for exercise of\nrights granted under this License, and you may not initiate litigation\n(including a cross-claim or counterclaim in a lawsuit) alleging that\nany patent claim is infringed by making, using, selling, offering for\nsale, or importing the Program or any portion of it.\n\n 11. Patents.\n\n A \"contributor\" is a copyright holder who authorizes use under this\nLicense of the Program or a work on which the Program is based. The\nwork thus licensed is called the contributor's \"contributor version\".\n\n A contributor's \"essential patent claims\" are all patent claims\nowned or controlled by the contributor, whether already acquired or\nhereafter acquired, that would be infringed by some manner, permitted\nby this License, of making, using, or selling its contributor version,\nbut do not include claims that would be infringed only as a\nconsequence of further modification of the contributor version. For\npurposes of this definition, \"control\" includes the right to grant\npatent sublicenses in a manner consistent with the requirements of\nthis License.\n\n Each contributor grants you a non-exclusive, worldwide, royalty-free\npatent license under the contributor's essential patent claims, to\nmake, use, sell, offer for sale, import and otherwise run, modify and\npropagate the contents of its contributor version.\n\n In the following three paragraphs, a \"patent license\" is any express\nagreement or commitment, however denominated, not to enforce a patent\n(such as an express permission to practice a patent or covenant not to\nsue for patent infringement). To \"grant\" such a patent license to a\nparty means to make such an agreement or commitment not to enforce a\npatent against the party.\n\n If you convey a covered work, knowingly relying on a patent license,\nand the Corresponding Source of the work is not available for anyone\nto copy, free of charge and under the terms of this License, through a\npublicly available network server or other readily accessible means,\nthen you must either (1) cause the Corresponding Source to be so\navailable, or (2) arrange to deprive yourself of the benefit of the\npatent license for this particular work, or (3) arrange, in a manner\nconsistent with the requirements of this License, to extend the patent\nlicense to downstream recipients. \"Knowingly relying\" means you have\nactual knowledge that, but for the patent license, your conveying the\ncovered work in a country, or your recipient's use of the covered work\nin a country, would infringe one or more identifiable patents in that\ncountry that you have reason to believe are valid.\n\n If, pursuant to or in connection with a single transaction or\narrangement, you convey, or propagate by procuring conveyance of, a\ncovered work, and grant a patent license to some of the parties\nreceiving the covered work authorizing them to use, propagate, modify\nor convey a specific copy of the covered work, then the patent license\nyou grant is automatically extended to all recipients of the covered\nwork and works based on it.\n\n A patent license is \"discriminatory\" if it does not include within\nthe scope of its coverage, prohibits the exercise of, or is\nconditioned on the non-exercise of one or more of the rights that are\nspecifically granted under this License. You may not convey a covered\nwork if you are a party to an arrangement with a third party that is\nin the business of distributing software, under which you make payment\nto the third party based on the extent of your activity of conveying\nthe work, and under which the third party grants, to any of the\nparties who would receive the covered work from you, a discriminatory\npatent license (a) in connection with copies of the covered work\nconveyed by you (or copies made from those copies), or (b) primarily\nfor and in connection with specific products or compilations that\ncontain the covered work, unless you entered into that arrangement,\nor that patent license was granted, prior to 28 March 2007.\n\n Nothing in this License shall be construed as excluding or limiting\nany implied license or other defenses to infringement that may\notherwise be available to you under applicable patent law.\n\n 12. No Surrender of Others' Freedom.\n\n If conditions are imposed on you (whether by court order, agreement or\notherwise) that contradict the conditions of this License, they do not\nexcuse you from the conditions of this License. If you cannot convey a\ncovered work so as to satisfy simultaneously your obligations under this\nLicense and any other pertinent obligations, then as a consequence you may\nnot convey it at all. For example, if you agree to terms that obligate you\nto collect a royalty for further conveying from those to whom you convey\nthe Program, the only way you could satisfy both those terms and this\nLicense would be to refrain entirely from conveying the Program.\n\n 13. Use with the GNU Affero General Public License.\n\n Notwithstanding any other provision of this License, you have\npermission to link or combine any covered work with a work licensed\nunder version 3 of the GNU Affero General Public License into a single\ncombined work, and to convey the resulting work. The terms of this\nLicense will continue to apply to the part which is the covered work,\nbut the special requirements of the GNU Affero General Public License,\nsection 13, concerning interaction through a network will apply to the\ncombination as such.\n\n 14. Revised Versions of this License.\n\n The Free Software Foundation may publish revised and/or new versions of\nthe GNU General Public License from time to time. Such new versions will\nbe similar in spirit to the present version, but may differ in detail to\naddress new problems or concerns.\n\n Each version is given a distinguishing version number. If the\nProgram specifies that a certain numbered version of the GNU General\nPublic License \"or any later version\" applies to it, you have the\noption of following the terms and conditions either of that numbered\nversion or of any later version published by the Free Software\nFoundation. If the Program does not specify a version number of the\nGNU General Public License, you may choose any version ever published\nby the Free Software Foundation.\n\n If the Program specifies that a proxy can decide which future\nversions of the GNU General Public License can be used, that proxy's\npublic statement of acceptance of a version permanently authorizes you\nto choose that version for the Program.\n\n Later license versions may give you additional or different\npermissions. However, no additional obligations are imposed on any\nauthor or copyright holder as a result of your choosing to follow a\nlater version.\n\n 15. Disclaimer of Warranty.\n\n THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY\nAPPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT\nHOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM \"AS IS\" WITHOUT WARRANTY\nOF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,\nTHE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR\nPURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM\nIS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF\nALL NECESSARY SERVICING, REPAIR OR CORRECTION.\n\n 16. Limitation of Liability.\n\n IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING\nWILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS\nTHE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY\nGENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE\nUSE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF\nDATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD\nPARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),\nEVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF\nSUCH DAMAGES.\n\n 17. Interpretation of Sections 15 and 16.\n\n If the disclaimer of warranty and limitation of liability provided\nabove cannot be given local legal effect according to their terms,\nreviewing courts shall apply local law that most closely approximates\nan absolute waiver of all civil liability in connection with the\nProgram, unless a warranty or assumption of liability accompanies a\ncopy of the Program in return for a fee.\n\n END OF TERMS AND CONDITIONS\n\n How to Apply These Terms to Your New Programs\n\n If you develop a new program, and you want it to be of the greatest\npossible use to the public, the best way to achieve this is to make it\nfree software which everyone can redistribute and change under these terms.\n\n To do so, attach the following notices to the program. It is safest\nto attach them to the start of each source file to most effectively\nstate the exclusion of warranty; and each file should have at least\nthe \"copyright\" line and a pointer to where the full notice is found.\n\n \n Copyright (C) \n\n This program is free software: you can redistribute it and/or modify\n it under the terms of the GNU General Public License as published by\n the Free Software Foundation, either version 3 of the License, or\n (at your option) any later version.\n\n This program is distributed in the hope that it will be useful,\n but WITHOUT ANY WARRANTY; without even the implied warranty of\n MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n GNU General Public License for more details.\n\n You should have received a copy of the GNU General Public License\n along with this program. If not, see .\n\nAlso add information on how to contact you by electronic and paper mail.\n\n If the program does terminal interaction, make it output a short\nnotice like this when it starts in an interactive mode:\n\n Copyright (C) \n This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.\n This is free software, and you are welcome to redistribute it\n under certain conditions; type `show c' for details.\n\nThe hypothetical commands `show w' and `show c' should show the appropriate\nparts of the General Public License. Of course, your program's commands\nmight be different; for a GUI interface, you would use an \"about box\".\n\n You should also get your employer (if you work as a programmer) or school,\nif any, to sign a \"copyright disclaimer\" for the program, if necessary.\nFor more information on this, and how to apply and follow the GNU GPL, see\n.\n\n The GNU General Public License does not permit incorporating your program\ninto proprietary programs. If your program is a subroutine library, you\nmay consider it more useful to permit linking proprietary applications with\nthe library. If this is what you want to do, use the GNU Lesser General\nPublic License instead of this License. But first, please read\n.\n\n*/\n" + }, + "sourceTreeHashHex": "0x08a4125fbc1137215308db8e8f4c0774b2adbec12342172c17216bcaa6e596c6", + "compiler": { + "name": "solc", + "version": "soljson-v0.4.24+commit.e67f0147.js", + "settings": { + "optimizer": { + "enabled": true, + "runs": 1000000 + }, + "outputSelection": { + "*": { + "*": [ + "abi", + "evm.bytecode.object", + "evm.bytecode.sourceMap", + "evm.deployedBytecode.object", + "evm.deployedBytecode.sourceMap" + ] + } + } + } + }, + "networks": { + "3": { + "address": "0xc778417e063141139fce010982780140aa0cd5ab", + "links": {}, + "constructorArgs": "[]" + }, + "42": { + "address": "0xd0a1e359811322d97991e03f863a0c30c2cf029c", + "links": {}, + "constructorArgs": "[]" + }, + "50": { + "address": "0x0b1ba0af832d7c05fd64161e0db78e85978e8082", + "links": {}, + "constructorArgs": "[]" + } + } +} diff --git a/packages/migrations/artifacts/2.0.0-testnet/ZRXToken.json b/packages/migrations/artifacts/2.0.0-testnet/ZRXToken.json new file mode 100644 index 000000000..76ee77b34 --- /dev/null +++ b/packages/migrations/artifacts/2.0.0-testnet/ZRXToken.json @@ -0,0 +1,10041 @@ +{ + "schemaVersion": "2.0.0", + "contractName": "ZRXToken", + "compilerOutput": { + "abi": [ + { + "constant": true, + "inputs": [], + "name": "name", + "outputs": [ + { + "name": "", + "type": "string" + } + ], + "payable": false, + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_spender", + "type": "address" + }, + { + "name": "_value", + "type": "uint256" + } + ], + "name": "approve", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "totalSupply", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_from", + "type": "address" + }, + { + "name": "_to", + "type": "address" + }, + { + "name": "_value", + "type": "uint256" + } + ], + "name": "transferFrom", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "decimals", + "outputs": [ + { + "name": "", + "type": "uint8" + } + ], + "payable": false, + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "_owner", + "type": "address" + } + ], + "name": "balanceOf", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "symbol", + "outputs": [ + { + "name": "", + "type": "string" + } + ], + "payable": false, + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_to", + "type": "address" + }, + { + "name": "_value", + "type": "uint256" + } + ], + "name": "transfer", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "_owner", + "type": "address" + }, + { + "name": "_spender", + "type": "address" + } + ], + "name": "allowance", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "type": "function" + }, + { + "inputs": [], + "payable": false, + "type": "constructor" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "_from", + "type": "address" + }, + { + "indexed": true, + "name": "_to", + "type": "address" + }, + { + "indexed": false, + "name": "_value", + "type": "uint256" + } + ], + "name": "Transfer", + "type": "event" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "_owner", + "type": "address" + }, + { + "indexed": true, + "name": "_spender", + "type": "address" + }, + { + "indexed": false, + "name": "_value", + "type": "uint256" + } + ], + "name": "Approval", + "type": "event" + } + ], + "devdoc": { + "methods": { + "transferFrom(address,address,uint256)": { + "details": "ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited allowance.", + "params": { + "_from": "Address to transfer from.", + "_to": "Address to transfer to.", + "_value": "Amount to transfer." + }, + "return": "Success of transfer." + } + } + }, + "evm": { + "assembly": " /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":795:1250 contract ZRXToken is ... */\n mstore(0x40, 0x60)\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":966:972 10**27 */\n 0x33b2e3c9fd0803ce8000000\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":937:972 uint256 public totalSupply = 10**27 */\n 0x3\n sstore\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1158:1248 function ZRXToken()... */\n jumpi(tag_1, iszero(callvalue))\n invalid\ntag_1:\ntag_2:\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1230:1241 totalSupply */\n sload(0x3)\n sub(exp(0x2, 0xa0), 0x1)\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1216:1226 msg.sender */\n caller\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1207:1227 balances[msg.sender] */\n and\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1207:1215 balances */\n 0x0\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1207:1227 balances[msg.sender] */\n swap1\n dup2\n mstore\n 0x20\n dup2\n swap1\n mstore\n 0x40\n swap1\n sha3\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1207:1241 balances[msg.sender] = totalSupply */\n sstore\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1158:1248 function ZRXToken()... */\ntag_3:\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":795:1250 contract ZRXToken is ... */\ntag_4:\n dataSize(sub_0)\n dup1\n dataOffset(sub_0)\n 0x0\n codecopy\n 0x0\n return\nstop\n\nsub_0: assembly {\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":795:1250 contract ZRXToken is ... */\n mstore(0x40, 0x60)\n jumpi(tag_1, iszero(calldatasize))\n and(div(calldataload(0x0), 0x100000000000000000000000000000000000000000000000000000000), 0xffffffff)\n 0x6fdde03\n dup2\n eq\n tag_2\n jumpi\n dup1\n 0x95ea7b3\n eq\n tag_3\n jumpi\n dup1\n 0x18160ddd\n eq\n tag_4\n jumpi\n dup1\n 0x23b872dd\n eq\n tag_5\n jumpi\n dup1\n 0x313ce567\n eq\n tag_6\n jumpi\n dup1\n 0x70a08231\n eq\n tag_7\n jumpi\n dup1\n 0x95d89b41\n eq\n tag_8\n jumpi\n dup1\n 0xa9059cbb\n eq\n tag_9\n jumpi\n dup1\n 0xdd62ed3e\n eq\n tag_10\n jumpi\n tag_1:\n invalid\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1017:1066 string constant public name = \"0x Protocol Token\" */\n tag_2:\n jumpi(tag_11, iszero(callvalue))\n invalid\n tag_11:\n tag_12\n jump(tag_13)\n tag_12:\n 0x40\n dup1\n mload\n 0x20\n dup1\n dup3\n mstore\n dup4\n mload\n dup2\n dup4\n add\n mstore\n dup4\n mload\n swap2\n swap3\n dup4\n swap3\n swap1\n dup4\n add\n swap2\n dup6\n add\n swap1\n dup1\n dup4\n dup4\n /* \"--CODEGEN--\":18:20 */\n dup3\n iszero\n /* \"--CODEGEN--\":13:16 */\n tag_14\n /* \"--CODEGEN--\":7:12 */\n jumpi\n /* \"--CODEGEN--\":32:37 */\n tag_15:\n /* \"--CODEGEN--\":59:62 */\n dup1\n /* \"--CODEGEN--\":53:58 */\n mload\n /* \"--CODEGEN--\":48:51 */\n dup3\n /* \"--CODEGEN--\":41:47 */\n mstore\n /* \"--CODEGEN--\":93:95 */\n 0x20\n /* \"--CODEGEN--\":88:91 */\n dup4\n /* \"--CODEGEN--\":85:87 */\n gt\n /* \"--CODEGEN--\":78:84 */\n iszero\n /* \"--CODEGEN--\":73:76 */\n tag_14\n /* \"--CODEGEN--\":67:72 */\n jumpi\n /* \"--CODEGEN--\":152:155 */\n 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe0\n swap1\n swap3\n add\n swap2\n /* \"--CODEGEN--\":117:119 */\n 0x20\n /* \"--CODEGEN--\":108:111 */\n swap2\n dup3\n add\n swap2\n /* \"--CODEGEN--\":130:133 */\n add\n /* \"--CODEGEN--\":172:177 */\n tag_15\n /* \"--CODEGEN--\":167:171 */\n jump\n /* \"--CODEGEN--\":181:184 */\n tag_14:\n /* \"--CODEGEN--\":3:189 */\n pop\n pop\n pop\n swap1\n pop\n swap1\n dup2\n add\n swap1\n 0x1f\n and\n dup1\n iszero\n tag_16\n jumpi\n dup1\n dup3\n sub\n dup1\n mload\n 0x1\n dup4\n 0x20\n sub\n 0x100\n exp\n sub\n not\n and\n dup2\n mstore\n 0x20\n add\n swap2\n pop\n tag_16:\n pop\n swap3\n pop\n pop\n pop\n mload(0x40)\n dup1\n swap2\n sub\n swap1\n return\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1087:1274 */\n tag_3:\n jumpi(tag_17, iszero(callvalue))\n invalid\n tag_17:\n tag_18\n and(calldataload(0x4), 0xffffffffffffffffffffffffffffffffffffffff)\n calldataload(0x24)\n jump(tag_19)\n tag_18:\n 0x40\n dup1\n mload\n swap2\n iszero\n iszero\n dup3\n mstore\n mload\n swap1\n dup2\n swap1\n sub\n 0x20\n add\n swap1\n return\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":937:972 uint256 public totalSupply = 10**27 */\n tag_4:\n jumpi(tag_20, iszero(callvalue))\n invalid\n tag_20:\n tag_21\n jump(tag_22)\n tag_21:\n 0x40\n dup1\n mload\n swap2\n dup3\n mstore\n mload\n swap1\n dup2\n swap1\n sub\n 0x20\n add\n swap1\n return\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1066:1675 */\n tag_5:\n jumpi(tag_23, iszero(callvalue))\n invalid\n tag_23:\n tag_18\n 0xffffffffffffffffffffffffffffffffffffffff\n calldataload(0x4)\n dup2\n and\n swap1\n calldataload(0x24)\n and\n calldataload(0x44)\n jump(tag_25)\n tag_24:\n 0x40\n dup1\n mload\n swap2\n iszero\n iszero\n dup3\n mstore\n mload\n swap1\n dup2\n swap1\n sub\n 0x20\n add\n swap1\n return\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":896:931 uint8 constant public decimals = 18 */\n tag_6:\n jumpi(tag_26, iszero(callvalue))\n invalid\n tag_26:\n tag_27\n jump(tag_28)\n tag_27:\n 0x40\n dup1\n mload\n 0xff\n swap1\n swap3\n and\n dup3\n mstore\n mload\n swap1\n dup2\n swap1\n sub\n 0x20\n add\n swap1\n return\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":982:1081 */\n tag_7:\n jumpi(tag_29, iszero(callvalue))\n invalid\n tag_29:\n tag_21\n and(calldataload(0x4), 0xffffffffffffffffffffffffffffffffffffffff)\n jump(tag_31)\n tag_30:\n 0x40\n dup1\n mload\n swap2\n dup3\n mstore\n mload\n swap1\n dup2\n swap1\n sub\n 0x20\n add\n swap1\n return\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1072:1109 string constant public symbol = \"ZRX\" */\n tag_8:\n jumpi(tag_32, iszero(callvalue))\n invalid\n tag_32:\n tag_12\n jump(tag_34)\n tag_33:\n 0x40\n dup1\n mload\n 0x20\n dup1\n dup3\n mstore\n dup4\n mload\n dup2\n dup4\n add\n mstore\n dup4\n mload\n swap2\n swap3\n dup4\n swap3\n swap1\n dup4\n add\n swap2\n dup6\n add\n swap1\n dup1\n dup4\n dup4\n /* \"--CODEGEN--\":18:20 */\n dup3\n iszero\n /* \"--CODEGEN--\":13:16 */\n tag_14\n /* \"--CODEGEN--\":7:12 */\n jumpi\n /* \"--CODEGEN--\":32:37 */\n tag_36:\n /* \"--CODEGEN--\":59:62 */\n dup1\n /* \"--CODEGEN--\":53:58 */\n mload\n /* \"--CODEGEN--\":48:51 */\n dup3\n /* \"--CODEGEN--\":41:47 */\n mstore\n /* \"--CODEGEN--\":93:95 */\n 0x20\n /* \"--CODEGEN--\":88:91 */\n dup4\n /* \"--CODEGEN--\":85:87 */\n gt\n /* \"--CODEGEN--\":78:84 */\n iszero\n /* \"--CODEGEN--\":73:76 */\n tag_14\n /* \"--CODEGEN--\":67:72 */\n jumpi\n /* \"--CODEGEN--\":152:155 */\n 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe0\n swap1\n swap3\n add\n swap2\n /* \"--CODEGEN--\":117:119 */\n 0x20\n /* \"--CODEGEN--\":108:111 */\n swap2\n dup3\n add\n swap2\n /* \"--CODEGEN--\":130:133 */\n add\n /* \"--CODEGEN--\":172:177 */\n tag_15\n /* \"--CODEGEN--\":167:171 */\n jump\n /* \"--CODEGEN--\":181:184 */\n tag_35:\n /* \"--CODEGEN--\":3:189 */\n pop\n pop\n pop\n swap1\n pop\n swap1\n dup2\n add\n swap1\n 0x1f\n and\n dup1\n iszero\n tag_16\n jumpi\n dup1\n dup3\n sub\n dup1\n mload\n 0x1\n dup4\n 0x20\n sub\n 0x100\n exp\n sub\n not\n and\n dup2\n mstore\n 0x20\n add\n swap2\n pop\n tag_37:\n pop\n swap3\n pop\n pop\n pop\n mload(0x40)\n dup1\n swap2\n sub\n swap1\n return\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":125:535 */\n tag_9:\n jumpi(tag_38, iszero(callvalue))\n invalid\n tag_38:\n tag_18\n and(calldataload(0x4), 0xffffffffffffffffffffffffffffffffffffffff)\n calldataload(0x24)\n jump(tag_40)\n tag_39:\n 0x40\n dup1\n mload\n swap2\n iszero\n iszero\n dup3\n mstore\n mload\n swap1\n dup2\n swap1\n sub\n 0x20\n add\n swap1\n return\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1280:1406 */\n tag_10:\n jumpi(tag_41, iszero(callvalue))\n invalid\n tag_41:\n tag_21\n 0xffffffffffffffffffffffffffffffffffffffff\n calldataload(0x4)\n dup2\n and\n swap1\n calldataload(0x24)\n and\n jump(tag_43)\n tag_42:\n 0x40\n dup1\n mload\n swap2\n dup3\n mstore\n mload\n swap1\n dup2\n swap1\n sub\n 0x20\n add\n swap1\n return\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1017:1066 string constant public name = \"0x Protocol Token\" */\n tag_13:\n 0x40\n dup1\n mload\n dup1\n dup3\n add\n swap1\n swap2\n mstore\n 0x11\n dup2\n mstore\n 0x30782050726f746f636f6c20546f6b656e000000000000000000000000000000\n 0x20\n dup3\n add\n mstore\n dup2\n jump\t// out\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1087:1274 */\n tag_19:\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1160:1179 */\n 0xffffffffffffffffffffffffffffffffffffffff\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1168:1178 */\n caller\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1160:1179 */\n dup2\n and\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1144:1148 */\n 0x0\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1160:1179 */\n dup2\n dup2\n mstore\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1160:1167 */\n 0x1\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1160:1179 */\n 0x20\n swap1\n dup2\n mstore\n 0x40\n dup1\n dup4\n sha3\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1160:1189 */\n swap5\n dup8\n and\n dup1\n dup5\n mstore\n swap5\n dup3\n mstore\n dup1\n dup4\n sha3\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1160:1198 */\n dup7\n swap1\n sstore\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1208:1246 */\n dup1\n mload\n dup7\n dup2\n mstore\n swap1\n mload\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1144:1148 */\n swap3\n swap5\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1160:1189 */\n swap4\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1160:1179 */\n swap3\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1208:1246 */\n 0x8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925\n swap3\n swap2\n dup2\n swap1\n sub\n swap1\n swap2\n add\n swap1\n log3\n pop\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1263:1267 */\n 0x1\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1087:1274 */\n tag_44:\n swap3\n swap2\n pop\n pop\n jump\t// out\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":937:972 uint256 public totalSupply = 10**27 */\n tag_22:\n sload(0x3)\n dup2\n jump\t// out\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1066:1675 */\n tag_25:\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1198:1212 */\n 0xffffffffffffffffffffffffffffffffffffffff\n dup1\n dup5\n and\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1161:1165 */\n 0x0\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1198:1212 */\n dup2\n dup2\n mstore\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1198:1205 */\n 0x1\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1198:1212 */\n 0x20\n swap1\n dup2\n mstore\n 0x40\n dup1\n dup4\n sha3\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1213:1223 */\n caller\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1198:1224 */\n swap1\n swap6\n and\n dup4\n mstore\n swap4\n dup2\n mstore\n dup4\n dup3\n sha3\n sload\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1238:1253 */\n swap3\n dup3\n mstore\n dup2\n swap1\n mstore\n swap2\n dup3\n sha3\n sload\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1238:1263 */\n dup4\n swap1\n lt\n dup1\n iszero\n swap1\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1238:1298 */\n tag_46\n jumpi\n pop\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1292:1298 */\n dup3\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1279:1288 */\n dup2\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1279:1298 */\n lt\n iszero\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1238:1298 */\n tag_46:\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1238:1353 */\n dup1\n iszero\n tag_47\n jumpi\n pop\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1340:1353 */\n 0xffffffffffffffffffffffffffffffffffffffff\n dup5\n and\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1340:1348 */\n 0x0\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1340:1353 */\n swap1\n dup2\n mstore\n 0x20\n dup2\n swap1\n mstore\n 0x40\n swap1\n sha3\n sload\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1314:1336 */\n dup4\n dup2\n add\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1314:1353 */\n lt\n iszero\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1238:1353 */\n tag_47:\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1234:1669 */\n iszero\n tag_48\n jumpi\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1378:1391 */\n 0xffffffffffffffffffffffffffffffffffffffff\n dup1\n dup6\n and\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1378:1386 */\n 0x0\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1378:1391 */\n swap1\n dup2\n mstore\n 0x20\n dup2\n swap1\n mstore\n 0x40\n dup1\n dup3\n sha3\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1378:1401 */\n dup1\n sload\n dup8\n add\n swap1\n sstore\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1415:1430 */\n swap2\n dup8\n and\n dup2\n mstore\n sha3\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1415:1440 */\n dup1\n sload\n dup5\n swap1\n sub\n swap1\n sstore\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":768:778 */\n 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1458:1478 */\n dup2\n lt\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1454:1549 */\n iszero\n tag_49\n jumpi\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1498:1512 */\n 0xffffffffffffffffffffffffffffffffffffffff\n dup1\n dup7\n and\n 0x0\n swap1\n dup2\n mstore\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1498:1505 */\n 0x1\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1498:1512 */\n 0x20\n swap1\n dup2\n mstore\n 0x40\n dup1\n dup4\n sha3\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1513:1523 */\n caller\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1498:1524 */\n swap1\n swap5\n and\n dup4\n mstore\n swap3\n swap1\n mstore\n sha3\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1498:1534 */\n dup1\n sload\n dup5\n swap1\n sub\n swap1\n sstore\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1454:1549 */\n tag_49:\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1578:1581 */\n dup4\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1562:1590 */\n 0xffffffffffffffffffffffffffffffffffffffff\n and\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1571:1576 */\n dup6\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1562:1590 */\n 0xffffffffffffffffffffffffffffffffffffffff\n and\n 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1583:1589 */\n dup6\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1562:1590 */\n mload(0x40)\n dup1\n dup3\n dup2\n mstore\n 0x20\n add\n swap2\n pop\n pop\n mload(0x40)\n dup1\n swap2\n sub\n swap1\n log3\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1611:1615 */\n 0x1\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1604:1615 */\n swap2\n pop\n jump(tag_50)\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1234:1669 */\n tag_48:\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1653:1658 */\n 0x0\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1646:1658 */\n swap2\n pop\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1234:1669 */\n tag_50:\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1066:1675 */\n tag_45:\n pop\n swap4\n swap3\n pop\n pop\n pop\n jump\t// out\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":896:931 uint8 constant public decimals = 18 */\n tag_28:\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":929:931 18 */\n 0x12\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":896:931 uint8 constant public decimals = 18 */\n dup2\n jump\t// out\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":982:1081 */\n tag_31:\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1058:1074 */\n 0xffffffffffffffffffffffffffffffffffffffff\n dup2\n and\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1035:1039 */\n 0x0\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1058:1074 */\n swap1\n dup2\n mstore\n 0x20\n dup2\n swap1\n mstore\n 0x40\n swap1\n sha3\n sload\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":982:1081 */\n tag_51:\n swap2\n swap1\n pop\n jump\t// out\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1072:1109 string constant public symbol = \"ZRX\" */\n tag_34:\n 0x40\n dup1\n mload\n dup1\n dup3\n add\n swap1\n swap2\n mstore\n 0x3\n dup2\n mstore\n 0x5a52580000000000000000000000000000000000000000000000000000000000\n 0x20\n dup3\n add\n mstore\n dup2\n jump\t// out\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":125:535 */\n tag_40:\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":267:287 */\n 0xffffffffffffffffffffffffffffffffffffffff\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":276:286 */\n caller\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":267:287 */\n and\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":178:182 */\n 0x0\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":267:287 */\n swap1\n dup2\n mstore\n 0x20\n dup2\n swap1\n mstore\n 0x40\n dup2\n sha3\n sload\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":267:297 */\n dup3\n swap1\n lt\n dup1\n iszero\n swap1\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":267:340 */\n tag_53\n jumpi\n pop\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":327:340 */\n 0xffffffffffffffffffffffffffffffffffffffff\n dup4\n and\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":327:335 */\n 0x0\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":327:340 */\n swap1\n dup2\n mstore\n 0x20\n dup2\n swap1\n mstore\n 0x40\n swap1\n sha3\n sload\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":301:323 */\n dup3\n dup2\n add\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":301:340 */\n lt\n iszero\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":267:340 */\n tag_53:\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":263:529 */\n iszero\n tag_54\n jumpi\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":356:376 */\n 0xffffffffffffffffffffffffffffffffffffffff\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":365:375 */\n caller\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":356:376 */\n dup2\n and\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":356:364 */\n 0x0\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":356:376 */\n dup2\n dup2\n mstore\n 0x20\n dup2\n dup2\n mstore\n 0x40\n dup1\n dup4\n sha3\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":356:386 */\n dup1\n sload\n dup9\n swap1\n sub\n swap1\n sstore\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":400:413 */\n swap4\n dup8\n and\n dup1\n dup4\n mstore\n swap2\n dup5\n swap1\n sha3\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":400:423 */\n dup1\n sload\n dup8\n add\n swap1\n sstore\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":437:470 */\n dup4\n mload\n dup7\n dup2\n mstore\n swap4\n mload\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":400:413 */\n swap2\n swap4\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":437:470 */\n 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef\n swap3\n swap1\n dup2\n swap1\n sub\n swap1\n swap2\n add\n swap1\n log3\n pop\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":491:495 */\n 0x1\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":484:495 */\n jump(tag_44)\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":263:529 */\n tag_54:\n pop\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":521:526 */\n 0x0\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":514:526 */\n jump(tag_44)\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":263:529 */\n tag_55:\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":125:535 */\n tag_52:\n swap3\n swap2\n pop\n pop\n jump\t// out\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1280:1406 */\n tag_43:\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1374:1389 */\n 0xffffffffffffffffffffffffffffffffffffffff\n dup1\n dup4\n and\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1351:1355 */\n 0x0\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1374:1389 */\n swap1\n dup2\n mstore\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1374:1381 */\n 0x1\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1374:1389 */\n 0x20\n swap1\n dup2\n mstore\n 0x40\n dup1\n dup4\n sha3\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1374:1399 */\n swap4\n dup6\n and\n dup4\n mstore\n swap3\n swap1\n mstore\n sha3\n sload\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1280:1406 */\n tag_56:\n swap3\n swap2\n pop\n pop\n jump\t// out\n}\n", + "bytecode": { + "linkReferences": {}, + "object": 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PUSH2 0xA0 JUMPI INVALID JUMPDEST PUSH2 0xA8 PUSH2 0x37E JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 ADD SWAP1 DUP1 DUP4 DUP4 DUP3 ISZERO PUSH2 0x10C JUMPI JUMPDEST DUP1 MLOAD DUP3 MSTORE PUSH1 0x20 DUP4 GT ISZERO PUSH2 0x10C JUMPI PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0xCE JUMP JUMPDEST POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x138 JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x14E JUMPI INVALID JUMPDEST PUSH2 0x172 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x3B5 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x18E JUMPI INVALID JUMPDEST PUSH2 0x196 PUSH2 0x42D JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x1B0 JUMPI INVALID JUMPDEST PUSH2 0x172 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x433 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x1F6 JUMPI INVALID JUMPDEST PUSH2 0x1FE PUSH2 0x5D4 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0xFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x21C JUMPI INVALID JUMPDEST PUSH2 0x196 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x5D9 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x257 JUMPI INVALID JUMPDEST PUSH2 0xA8 PUSH2 0x605 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 ADD SWAP1 DUP1 DUP4 DUP4 DUP3 ISZERO PUSH2 0x10C JUMPI JUMPDEST DUP1 MLOAD DUP3 MSTORE PUSH1 0x20 DUP4 GT ISZERO PUSH2 0x10C JUMPI PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0xCE JUMP JUMPDEST POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x138 JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x305 JUMPI INVALID JUMPDEST PUSH2 0x172 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x63C JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x345 JUMPI INVALID JUMPDEST PUSH2 0x196 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0x727 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST PUSH1 0x40 DUP1 MLOAD DUP1 DUP3 ADD SWAP1 SWAP2 MSTORE PUSH1 0x11 DUP2 MSTORE PUSH32 0x30782050726F746F636F6C20546F6B656E000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF CALLER DUP2 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 SHA3 SWAP5 DUP8 AND DUP1 DUP5 MSTORE SWAP5 DUP3 MSTORE DUP1 DUP4 SHA3 DUP7 SWAP1 SSTORE DUP1 MLOAD DUP7 DUP2 MSTORE SWAP1 MLOAD SWAP3 SWAP5 SWAP4 SWAP3 PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 SWAP3 SWAP2 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP PUSH1 0x1 JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x3 SLOAD DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP5 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 SHA3 CALLER SWAP1 SWAP6 AND DUP4 MSTORE SWAP4 DUP2 MSTORE DUP4 DUP3 SHA3 SLOAD SWAP3 DUP3 MSTORE DUP2 SWAP1 MSTORE SWAP2 DUP3 SHA3 SLOAD DUP4 SWAP1 LT DUP1 ISZERO SWAP1 PUSH2 0x483 JUMPI POP DUP3 DUP2 LT ISZERO JUMPDEST DUP1 ISZERO PUSH2 0x4B6 JUMPI POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 SHA3 SLOAD DUP4 DUP2 ADD LT ISZERO JUMPDEST ISZERO PUSH2 0x5C6 JUMPI PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP6 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP1 DUP3 SHA3 DUP1 SLOAD DUP8 ADD SWAP1 SSTORE SWAP2 DUP8 AND DUP2 MSTORE SHA3 DUP1 SLOAD DUP5 SWAP1 SUB SWAP1 SSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 LT ISZERO PUSH2 0x558 JUMPI PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP7 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 SHA3 CALLER SWAP1 SWAP5 AND DUP4 MSTORE SWAP3 SWAP1 MSTORE SHA3 DUP1 SLOAD DUP5 SWAP1 SUB SWAP1 SSTORE JUMPDEST DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF DUP6 PUSH1 0x40 MLOAD DUP1 DUP3 DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 PUSH1 0x1 SWAP2 POP PUSH2 0x5CB JUMP JUMPDEST PUSH1 0x0 SWAP2 POP JUMPDEST JUMPDEST POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x12 DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 SHA3 SLOAD JUMPDEST SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD DUP1 DUP3 ADD SWAP1 SWAP2 MSTORE PUSH1 0x3 DUP2 MSTORE PUSH32 0x5A52580000000000000000000000000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF CALLER AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP2 SHA3 SLOAD DUP3 SWAP1 LT DUP1 ISZERO SWAP1 PUSH2 0x699 JUMPI POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 SHA3 SLOAD DUP3 DUP2 ADD LT ISZERO JUMPDEST ISZERO PUSH2 0x718 JUMPI PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF CALLER DUP2 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 SHA3 DUP1 SLOAD DUP9 SWAP1 SUB SWAP1 SSTORE SWAP4 DUP8 AND DUP1 DUP4 MSTORE SWAP2 DUP5 SWAP1 SHA3 DUP1 SLOAD DUP8 ADD SWAP1 SSTORE DUP4 MLOAD DUP7 DUP2 MSTORE SWAP4 MLOAD SWAP2 SWAP4 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP3 SWAP1 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP PUSH1 0x1 PUSH2 0x427 JUMP JUMPDEST POP PUSH1 0x0 PUSH2 0x427 JUMP JUMPDEST JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 SHA3 SWAP4 DUP6 AND DUP4 MSTORE SWAP3 SWAP1 MSTORE SHA3 SLOAD JUMPDEST SWAP3 SWAP2 POP POP JUMP STOP LOG1 PUSH6 0x627A7A723058 SHA3 0x1b JUMPDEST PUSH17 0xCF82A73DEC658C2E60AB9A0F8E2BA01A74 0xb6 PUSH11 0x6F5B0402F56D2EA0FFCF00 0x29 ", + "sourceMap": "795:455:3:-;;;966:6;937:35;;1158:90;;;;;;;1230:11;;-1:-1:-1;;;;;1216:10:3;1207:20;:8;:20;;;;;;;;;;:34;1158:90;795:455;;;;;;;" + }, + "deployedBytecode": { + "linkReferences": {}, + "object": 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+ "opcodes": "PUSH1 0x60 PUSH1 0x40 MSTORE CALLDATASIZE ISZERO PUSH2 0x96 JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x6FDDE03 DUP2 EQ PUSH2 0x98 JUMPI DUP1 PUSH4 0x95EA7B3 EQ PUSH2 0x146 JUMPI DUP1 PUSH4 0x18160DDD EQ PUSH2 0x186 JUMPI DUP1 PUSH4 0x23B872DD EQ PUSH2 0x1A8 JUMPI DUP1 PUSH4 0x313CE567 EQ PUSH2 0x1EE JUMPI DUP1 PUSH4 0x70A08231 EQ PUSH2 0x214 JUMPI DUP1 PUSH4 0x95D89B41 EQ PUSH2 0x24F JUMPI DUP1 PUSH4 0xA9059CBB EQ PUSH2 0x2FD JUMPI DUP1 PUSH4 0xDD62ED3E EQ PUSH2 0x33D JUMPI JUMPDEST INVALID JUMPDEST CALLVALUE ISZERO PUSH2 0xA0 JUMPI INVALID JUMPDEST PUSH2 0xA8 PUSH2 0x37E JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 ADD SWAP1 DUP1 DUP4 DUP4 DUP3 ISZERO PUSH2 0x10C JUMPI JUMPDEST DUP1 MLOAD DUP3 MSTORE PUSH1 0x20 DUP4 GT ISZERO PUSH2 0x10C JUMPI PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0xCE JUMP JUMPDEST POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x138 JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x14E JUMPI INVALID JUMPDEST PUSH2 0x172 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x3B5 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x18E JUMPI INVALID JUMPDEST PUSH2 0x196 PUSH2 0x42D JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x1B0 JUMPI INVALID JUMPDEST PUSH2 0x172 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x433 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x1F6 JUMPI INVALID JUMPDEST PUSH2 0x1FE PUSH2 0x5D4 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0xFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x21C JUMPI INVALID JUMPDEST PUSH2 0x196 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x5D9 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x257 JUMPI INVALID JUMPDEST PUSH2 0xA8 PUSH2 0x605 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 ADD SWAP1 DUP1 DUP4 DUP4 DUP3 ISZERO PUSH2 0x10C JUMPI JUMPDEST DUP1 MLOAD DUP3 MSTORE PUSH1 0x20 DUP4 GT ISZERO PUSH2 0x10C JUMPI PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0xCE JUMP JUMPDEST POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x138 JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x305 JUMPI INVALID JUMPDEST PUSH2 0x172 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x63C JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x345 JUMPI INVALID JUMPDEST PUSH2 0x196 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0x727 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST PUSH1 0x40 DUP1 MLOAD DUP1 DUP3 ADD SWAP1 SWAP2 MSTORE PUSH1 0x11 DUP2 MSTORE PUSH32 0x30782050726F746F636F6C20546F6B656E000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF CALLER DUP2 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 SHA3 SWAP5 DUP8 AND DUP1 DUP5 MSTORE SWAP5 DUP3 MSTORE DUP1 DUP4 SHA3 DUP7 SWAP1 SSTORE DUP1 MLOAD DUP7 DUP2 MSTORE SWAP1 MLOAD SWAP3 SWAP5 SWAP4 SWAP3 PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 SWAP3 SWAP2 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP PUSH1 0x1 JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x3 SLOAD DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP5 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 SHA3 CALLER SWAP1 SWAP6 AND DUP4 MSTORE SWAP4 DUP2 MSTORE DUP4 DUP3 SHA3 SLOAD SWAP3 DUP3 MSTORE DUP2 SWAP1 MSTORE SWAP2 DUP3 SHA3 SLOAD DUP4 SWAP1 LT DUP1 ISZERO SWAP1 PUSH2 0x483 JUMPI POP DUP3 DUP2 LT ISZERO JUMPDEST DUP1 ISZERO PUSH2 0x4B6 JUMPI POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 SHA3 SLOAD DUP4 DUP2 ADD LT ISZERO JUMPDEST ISZERO PUSH2 0x5C6 JUMPI PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP6 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP1 DUP3 SHA3 DUP1 SLOAD DUP8 ADD SWAP1 SSTORE SWAP2 DUP8 AND DUP2 MSTORE SHA3 DUP1 SLOAD DUP5 SWAP1 SUB SWAP1 SSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 LT ISZERO PUSH2 0x558 JUMPI PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP7 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 SHA3 CALLER SWAP1 SWAP5 AND DUP4 MSTORE SWAP3 SWAP1 MSTORE SHA3 DUP1 SLOAD DUP5 SWAP1 SUB SWAP1 SSTORE JUMPDEST DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF DUP6 PUSH1 0x40 MLOAD DUP1 DUP3 DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 PUSH1 0x1 SWAP2 POP PUSH2 0x5CB JUMP JUMPDEST PUSH1 0x0 SWAP2 POP JUMPDEST JUMPDEST POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x12 DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 SHA3 SLOAD JUMPDEST SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD DUP1 DUP3 ADD SWAP1 SWAP2 MSTORE PUSH1 0x3 DUP2 MSTORE PUSH32 0x5A52580000000000000000000000000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF CALLER AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP2 SHA3 SLOAD DUP3 SWAP1 LT DUP1 ISZERO SWAP1 PUSH2 0x699 JUMPI POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 SHA3 SLOAD DUP3 DUP2 ADD LT ISZERO JUMPDEST ISZERO PUSH2 0x718 JUMPI PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF CALLER DUP2 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 SHA3 DUP1 SLOAD DUP9 SWAP1 SUB SWAP1 SSTORE SWAP4 DUP8 AND DUP1 DUP4 MSTORE SWAP2 DUP5 SWAP1 SHA3 DUP1 SLOAD DUP8 ADD SWAP1 SSTORE DUP4 MLOAD DUP7 DUP2 MSTORE SWAP4 MLOAD SWAP2 SWAP4 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP3 SWAP1 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP PUSH1 0x1 PUSH2 0x427 JUMP JUMPDEST POP PUSH1 0x0 PUSH2 0x427 JUMP JUMPDEST JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 SHA3 SWAP4 DUP6 AND DUP4 MSTORE SWAP3 SWAP1 MSTORE SHA3 SLOAD JUMPDEST SWAP3 SWAP2 POP POP JUMP STOP LOG1 PUSH6 0x627A7A723058 SHA3 0x1b JUMPDEST PUSH17 0xCF82A73DEC658C2E60AB9A0F8E2BA01A74 0xb6 PUSH11 0x6F5B0402F56D2EA0FFCF00 0x29 ", + "sourceMap": "795:455:3:-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;1017:49;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;18:2:-1;;13:3;7:5;32;59:3;53:5;48:3;41:6;93:2;88:3;85:2;78:6;73:3;67:5;152:3;;;;;117:2;108:3;;;;130;172:5;167:4;181:3;3:186;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;1087:187:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;937:35:3;;;;;;;;;;;;;;;;;;;;;;;;;;1066:609:2;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;896:35:3;;;;;;;;;;;;;;;;;;;;;;;;;;;;;982:99:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;1072:37:3;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;18:2:-1;;13:3;7:5;32;59:3;53:5;48:3;41:6;93:2;88:3;85:2;78:6;73:3;67:5;152:3;;;;;117:2;108:3;;;;130;172:5;167:4;181:3;3:186;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;125:410:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;1280:126;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;1017:49:3;;;;;;;;;;;;;;;;;;;:::o;1087:187:0:-;1160:19;1168:10;1160:19;;1144:4;1160:19;;;:7;:19;;;;;;;;:29;;;;;;;;;;;;:38;;;1208;;;;;;;1144:4;;1160:29;:19;1208:38;;;;;;;;;;;-1:-1:-1;1263:4:0;1087:187;;;;;:::o;937:35:3:-;;;;:::o;1066:609:2:-;1198:14;;;;1161:4;1198:14;;;:7;:14;;;;;;;;1213:10;1198:26;;;;;;;;;;;;1238:15;;;;;;;;;;:25;;;;;;:60;;;1292:6;1279:9;:19;;1238:60;:115;;;;-1:-1:-1;1340:13:2;;;:8;:13;;;;;;;;;;;1314:22;;;:39;;1238:115;1234:435;;;1378:13;;;;:8;:13;;;;;;;;;;;:23;;;;;;1415:15;;;;;;:25;;;;;;;768:10;1458:20;;1454:95;;;1498:14;;;;;;;;:7;:14;;;;;;;;1513:10;1498:26;;;;;;;;;:36;;;;;;;1454:95;1578:3;1562:28;;1571:5;1562:28;;;1583:6;1562:28;;;;;;;;;;;;;;;;;;1611:4;1604:11;;;;1234:435;1653:5;1646:12;;1234:435;1066:609;;;;;;;:::o;896:35:3:-;929:2;896:35;:::o;982:99:0:-;1058:16;;;1035:4;1058:16;;;;;;;;;;;982:99;;;;:::o;1072:37:3:-;;;;;;;;;;;;;;;;;;;:::o;125:410:0:-;267:20;276:10;267:20;178:4;267:20;;;;;;;;;;;:30;;;;;;:73;;-1:-1:-1;327:13:0;;;:8;:13;;;;;;;;;;;301:22;;;:39;;267:73;263:266;;;356:20;365:10;356:20;;:8;:20;;;;;;;;;;;:30;;;;;;;400:13;;;;;;;;;;:23;;;;;;437:33;;;;;;;400:13;;437:33;;;;;;;;;;;-1:-1:-1;491:4:0;484:11;;263:266;-1:-1:-1;521:5:0;514:12;;263:266;125:410;;;;;:::o;1280:126::-;1374:15;;;;1351:4;1374:15;;;:7;:15;;;;;;;;:25;;;;;;;;;;1280:126;;;;;:::o" + }, + "gasEstimates": { + "creation": { + "codeDepositCost": "386600", + "executionCost": "40780", + "totalCost": "427380" + }, + "external": { + "allowance(address,address)": "737", + "approve(address,uint256)": "22218", + "balanceOf(address)": "579", + "decimals()": "270", + "name()": "530", + "symbol()": "662", + "totalSupply()": "417", + "transfer(address,uint256)": "43393", + "transferFrom(address,address,uint256)": "64116" + } + }, + "legacyAssembly": { + ".code": [ + { + "begin": 795, + "end": 1250, + "name": "PUSH", + "value": "60" + }, + { + "begin": 795, + "end": 1250, + "name": "PUSH", + "value": "40" + }, + { + "begin": 795, + "end": 1250, + "name": "MSTORE" + }, + { + "begin": 966, + "end": 972, + "name": "PUSH", + "value": "33B2E3C9FD0803CE8000000" + }, + { + "begin": 937, + "end": 972, + "name": "PUSH", + "value": "3" + }, + { + "begin": 937, + "end": 972, + "name": "SSTORE" + }, + { + "begin": 1158, + "end": 1248, + "name": "CALLVALUE" + }, + { + "begin": 1158, + 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transferFrom(address _from, address _to, uint _value) returns (bool) {\n if (balances[_from] >= _value && allowed[_from][msg.sender] >= _value && balances[_to] + _value >= balances[_to]) {\n balances[_to] += _value;\n balances[_from] -= _value;\n allowed[_from][msg.sender] -= _value;\n Transfer(_from, _to, _value);\n return true;\n } else { return false; }\n }\n\n function balanceOf(address _owner) constant returns (uint) {\n return balances[_owner];\n }\n\n function approve(address _spender, uint _value) returns (bool) {\n allowed[msg.sender][_spender] = _value;\n Approval(msg.sender, _spender, _value);\n return true;\n }\n\n function allowance(address _owner, address _spender) constant returns (uint) {\n return allowed[_owner][_spender];\n }\n\n mapping (address => uint) balances;\n mapping (address => mapping (address => uint)) allowed;\n uint public totalSupply;\n}\n", + "1.0.0/Token/Token_v1.sol": "pragma solidity ^0.4.11;\n\ncontract Token_v1 {\n\n /// @return total amount of tokens\n function totalSupply() constant returns (uint supply) {}\n\n /// @param _owner The address from which the balance will be retrieved\n /// @return The balance\n function balanceOf(address _owner) constant returns (uint balance) {}\n\n /// @notice send `_value` token to `_to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return Whether the transfer was successful or not\n function transfer(address _to, uint _value) returns (bool success) {}\n\n /// @notice send `_value` token to `_to` from `_from` on the condition it is approved by `_from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return Whether the transfer was successful or not\n function transferFrom(address _from, address _to, uint _value) returns (bool success) {}\n\n /// @notice `msg.sender` approves `_addr` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Whether the approval was successful or not\n function approve(address _spender, uint _value) returns (bool success) {}\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender) constant returns (uint remaining) {}\n\n event Transfer(address indexed _from, address indexed _to, uint _value);\n event Approval(address indexed _owner, address indexed _spender, uint _value);\n}\n\n", + "1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity ^0.4.11;\n\nimport { ERC20Token_v1 as ERC20Token } from \"../ERC20Token/ERC20Token_v1.sol\";\n\ncontract UnlimitedAllowanceToken_v1 is ERC20Token {\n\n uint constant MAX_UINT = 2**256 - 1;\n\n /// @dev ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited allowance.\n /// @param _from Address to transfer from.\n /// @param _to Address to transfer to.\n /// @param _value Amount to transfer.\n /// @return Success of transfer.\n function transferFrom(address _from, address _to, uint _value)\n public\n returns (bool)\n {\n uint allowance = allowed[_from][msg.sender];\n if (balances[_from] >= _value\n && allowance >= _value\n && balances[_to] + _value >= balances[_to]\n ) {\n balances[_to] += _value;\n balances[_from] -= _value;\n if (allowance < MAX_UINT) {\n allowed[_from][msg.sender] -= _value;\n }\n Transfer(_from, _to, _value);\n return true;\n } else {\n return false;\n }\n }\n}\n", + "2.0.0/tokens/ZRXToken/ZRXToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.11;\n\n// solhint-disable-next-line max-line-length\nimport { UnlimitedAllowanceToken_v1 as UnlimitedAllowanceToken } from \"../../../1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\";\n\n\ncontract ZRXToken is \n UnlimitedAllowanceToken\n{\n\n // solhint-disable const-name-snakecase\n uint8 constant public decimals = 18;\n uint256 public totalSupply = 10**27; // 1 billion tokens, 18 decimal places\n string constant public name = \"0x Protocol Token\";\n string constant public symbol = \"ZRX\";\n // solhint-enableconst-name-snakecase\n\n function ZRXToken()\n public\n {\n balances[msg.sender] = totalSupply;\n }\n}\n" + }, + "sourceTreeHashHex": "0xe3fb14114a377d3b5f004168d4f43cb29ab930b3277425645bdbd609bf974317", + "compiler": { + "name": "solc", + "version": "soljson-v0.4.11+commit.68ef5810.js", + "settings": { + "optimizer": { + "enabled": true, + "runs": 1000000 + }, + "outputSelection": { + "*": { + "*": [ + "abi", + "evm.bytecode.object", + "evm.bytecode.sourceMap", + "evm.deployedBytecode.object", + "evm.deployedBytecode.sourceMap" + ] + } + } + } + }, + "networks": { + "3": { + "address": "0xff67881f8d12f372d91baae9752eb3631ff0ed00", + "links": {}, + "constructorArgs": "[\"0x Protocol Token\",\"ZRX\",\"18\",\"1000000000000000000000000000\"]" + }, + "42": { + "address": "0x2002d3812f58e35f0ea1ffbf80a75a38c32175fa", + "links": {}, + "constructorArgs": "[\"0x Protocol Token\",\"ZRX\",\"18\",\"1000000000000000000000000000\"]" + }, + "50": { + "address": "0x871dd7c2b4b25e1aa18728e9d5f2af4c4e431f5c", + "links": {}, + "constructorArgs": "[]" + } + } +} -- cgit v1.2.3 From e456332da71f1ed6c6799fabe6c635985ec2ce9d Mon Sep 17 00:00:00 2001 From: Alex Browne Date: Tue, 4 Sep 2018 16:47:01 -0400 Subject: Rename and update some artifact locations --- packages/contract-wrappers/package.json | 5 +- packages/contracts/compiler.json | 2 +- packages/fill-scenarios/package.json | 2 +- .../artifacts/2.0.0-mainnet/AssetProxyOwner.json | 985 -- .../artifacts/2.0.0-mainnet/DummyERC20Token.json | 641 -- .../artifacts/2.0.0-mainnet/DummyERC721Token.json | 672 -- .../artifacts/2.0.0-mainnet/ERC20Proxy.json | 481 - .../artifacts/2.0.0-mainnet/ERC20Token.json | 486 - .../artifacts/2.0.0-mainnet/ERC721Proxy.json | 481 - .../artifacts/2.0.0-mainnet/ERC721Token.json | 565 -- .../artifacts/2.0.0-mainnet/Exchange.json | 2262 ----- .../artifacts/2.0.0-mainnet/Forwarder.json | 734 -- .../artifacts/2.0.0-mainnet/IValidator.json | 320 - .../artifacts/2.0.0-mainnet/IWallet.json | 316 - .../artifacts/2.0.0-mainnet/OrderValidator.json | 858 -- .../migrations/artifacts/2.0.0-mainnet/WETH9.json | 346 - .../artifacts/2.0.0-mainnet/ZRXToken.json | 10041 ------------------- .../artifacts/2.0.0/AssetProxyOwner.json | 985 ++ .../artifacts/2.0.0/DummyERC20Token.json | 641 ++ .../artifacts/2.0.0/DummyERC721Token.json | 672 ++ .../migrations/artifacts/2.0.0/ERC20Proxy.json | 481 + .../migrations/artifacts/2.0.0/ERC20Token.json | 486 + .../migrations/artifacts/2.0.0/ERC721Proxy.json | 481 + .../migrations/artifacts/2.0.0/ERC721Token.json | 565 ++ packages/migrations/artifacts/2.0.0/Exchange.json | 2262 +++++ packages/migrations/artifacts/2.0.0/Forwarder.json | 734 ++ .../migrations/artifacts/2.0.0/IValidator.json | 320 + packages/migrations/artifacts/2.0.0/IWallet.json | 316 + .../migrations/artifacts/2.0.0/OrderValidator.json | 858 ++ packages/migrations/artifacts/2.0.0/WETH9.json | 346 + packages/migrations/artifacts/2.0.0/ZRXToken.json | 10041 +++++++++++++++++++ packages/migrations/package.json | 11 +- .../migrations/src/2.0.0-beta-testnet/artifacts.ts | 23 - .../migrations/src/2.0.0-beta-testnet/migration.ts | 190 - packages/migrations/src/2.0.0-mainnet/artifacts.ts | 17 - packages/migrations/src/2.0.0-mainnet/constants.ts | 13 - packages/migrations/src/2.0.0-mainnet/migration.ts | 122 - packages/migrations/src/2.0.0-testnet/artifacts.ts | 23 + packages/migrations/src/2.0.0-testnet/migration.ts | 190 + packages/migrations/src/2.0.0/artifacts.ts | 10 +- packages/migrations/src/2.0.0/constants.ts | 13 + packages/migrations/src/2.0.0/migration.ts | 155 +- packages/order-utils/package.json | 4 +- packages/order-watcher/package.json | 2 +- 44 files changed, 19487 insertions(+), 19671 deletions(-) delete mode 100644 packages/migrations/artifacts/2.0.0-mainnet/AssetProxyOwner.json delete mode 100644 packages/migrations/artifacts/2.0.0-mainnet/DummyERC20Token.json delete mode 100644 packages/migrations/artifacts/2.0.0-mainnet/DummyERC721Token.json delete mode 100644 packages/migrations/artifacts/2.0.0-mainnet/ERC20Proxy.json delete mode 100644 packages/migrations/artifacts/2.0.0-mainnet/ERC20Token.json delete mode 100644 packages/migrations/artifacts/2.0.0-mainnet/ERC721Proxy.json delete mode 100644 packages/migrations/artifacts/2.0.0-mainnet/ERC721Token.json delete mode 100644 packages/migrations/artifacts/2.0.0-mainnet/Exchange.json delete mode 100644 packages/migrations/artifacts/2.0.0-mainnet/Forwarder.json delete mode 100644 packages/migrations/artifacts/2.0.0-mainnet/IValidator.json delete mode 100644 packages/migrations/artifacts/2.0.0-mainnet/IWallet.json delete mode 100644 packages/migrations/artifacts/2.0.0-mainnet/OrderValidator.json delete mode 100644 packages/migrations/artifacts/2.0.0-mainnet/WETH9.json delete mode 100644 packages/migrations/artifacts/2.0.0-mainnet/ZRXToken.json create mode 100644 packages/migrations/artifacts/2.0.0/AssetProxyOwner.json create mode 100644 packages/migrations/artifacts/2.0.0/DummyERC20Token.json create mode 100644 packages/migrations/artifacts/2.0.0/DummyERC721Token.json create mode 100644 packages/migrations/artifacts/2.0.0/ERC20Proxy.json create mode 100644 packages/migrations/artifacts/2.0.0/ERC20Token.json create mode 100644 packages/migrations/artifacts/2.0.0/ERC721Proxy.json create mode 100644 packages/migrations/artifacts/2.0.0/ERC721Token.json create mode 100644 packages/migrations/artifacts/2.0.0/Exchange.json create mode 100644 packages/migrations/artifacts/2.0.0/Forwarder.json create mode 100644 packages/migrations/artifacts/2.0.0/IValidator.json create mode 100644 packages/migrations/artifacts/2.0.0/IWallet.json create mode 100644 packages/migrations/artifacts/2.0.0/OrderValidator.json create mode 100644 packages/migrations/artifacts/2.0.0/WETH9.json create mode 100644 packages/migrations/artifacts/2.0.0/ZRXToken.json delete mode 100644 packages/migrations/src/2.0.0-beta-testnet/artifacts.ts delete mode 100644 packages/migrations/src/2.0.0-beta-testnet/migration.ts delete mode 100644 packages/migrations/src/2.0.0-mainnet/artifacts.ts delete mode 100644 packages/migrations/src/2.0.0-mainnet/constants.ts delete mode 100644 packages/migrations/src/2.0.0-mainnet/migration.ts create mode 100644 packages/migrations/src/2.0.0-testnet/artifacts.ts create mode 100644 packages/migrations/src/2.0.0-testnet/migration.ts create mode 100644 packages/migrations/src/2.0.0/constants.ts (limited to 'packages') diff --git a/packages/contract-wrappers/package.json b/packages/contract-wrappers/package.json index 5d5c8069a..b36ae946f 100644 --- a/packages/contract-wrappers/package.json +++ b/packages/contract-wrappers/package.json @@ -12,7 +12,7 @@ "types": "lib/src/index.d.ts", "scripts": { "build": "yarn pre_build && tsc -b", - "pre_build": "run-s update_artifacts_v2_beta update_artifacts_v2 generate_contract_wrappers copy_artifacts", + "pre_build": "run-s update_artifacts generate_contract_wrappers copy_artifacts", "generate_contract_wrappers": "abi-gen --abis 'src/artifacts/@(Exchange|DummyERC20Token|DummyERC721Token|ZRXToken|ERC20Token|ERC721Token|WETH9|ERC20Proxy|ERC721Proxy|Forwarder|OrderValidator).json' --template ../contract_templates/contract.handlebars --partials '../contract_templates/partials/**/*.handlebars' --output src/contract_wrappers/generated --backend ethers", "lint": "tslint --project . --exclude **/src/contract_wrappers/**/* --exclude **/lib/**/*", "test:circleci": "run-s test:coverage", @@ -20,8 +20,7 @@ "rebuild_and_test": "run-s build test", "test:coverage": "nyc npm run test --all && yarn coverage:report:lcov", "coverage:report:lcov": "nyc report --reporter=text-lcov > coverage/lcov.info", - "update_artifacts_v2_beta": "for i in ${npm_package_config_contracts_v2_beta}; do copyfiles -u 4 ../migrations/artifacts/2.0.0-beta-testnet/$i.json src/artifacts; done;", - "update_artifacts_v2": "for i in ${npm_package_config_contracts_v2}; do copyfiles -u 4 ../migrations/artifacts/2.0.0/$i.json src/artifacts; done;", + "update_artifacts": "for i in ${npm_package_config_contracts_v2}; do copyfiles -u 4 ../migrations/artifacts/2.0.0/$i.json src/artifacts; done;", "copy_artifacts": "copyfiles -u 2 './src/artifacts/**/*.json' ./lib/src/artifacts", "clean": "shx rm -rf _bundles lib test_temp test/artifacts src/contract_wrappers/generated src/artifacts generated_docs", "run_mocha": "mocha --require source-map-support/register --require make-promises-safe lib/test/**/*_test.js lib/test/global_hooks.js --timeout 10000 --bail --exit", diff --git a/packages/contracts/compiler.json b/packages/contracts/compiler.json index cdf49dcf6..559b7cd1f 100644 --- a/packages/contracts/compiler.json +++ b/packages/contracts/compiler.json @@ -1,5 +1,5 @@ { - "artifactsDir": "../migrations/artifacts/2.0.0", + "artifactsDir": "../migrations/artifacts/development", "contractsDir": "src/", "compilerSettings": { "optimizer": { diff --git a/packages/fill-scenarios/package.json b/packages/fill-scenarios/package.json index 60192d03e..ee5ff1806 100644 --- a/packages/fill-scenarios/package.json +++ b/packages/fill-scenarios/package.json @@ -7,7 +7,7 @@ "scripts": { "build": "yarn pre_build && tsc -b", "pre_build": "run-s update_artifacts generate_contract_wrappers", - "update_artifacts": "for i in ${npm_package_config_contracts}; do copyfiles -u 4 ../migrations/artifacts/2.0.0-beta-testnet/$i.json lib/artifacts; done;", + "update_artifacts": "for i in ${npm_package_config_contracts}; do copyfiles -u 4 ../migrations/artifacts/2.0.0/$i.json lib/artifacts; done;", "generate_contract_wrappers": "abi-gen --abis 'lib/artifacts/@(Exchange|DummyERC20Token|DummyERC721Token).json' --template ../contract_templates/contract.handlebars --partials '../contract_templates/partials/**/*.handlebars' --output src/generated_contract_wrappers --backend ethers", "copy_monorepo_scripts": "copyfiles -u 3 './lib/src/monorepo_scripts/**/*' ./scripts", "clean": "shx rm -rf lib src/generated_contract_wrappers", diff --git a/packages/migrations/artifacts/2.0.0-mainnet/AssetProxyOwner.json b/packages/migrations/artifacts/2.0.0-mainnet/AssetProxyOwner.json deleted file mode 100644 index 680ed3abd..000000000 --- a/packages/migrations/artifacts/2.0.0-mainnet/AssetProxyOwner.json +++ /dev/null @@ -1,985 +0,0 @@ -{ - "schemaVersion": "2.0.0", - "contractName": "AssetProxyOwner", - "compilerOutput": { - "abi": [ - { - "constant": true, - "inputs": [ - { - "name": "", - "type": "uint256" - } - ], - "name": "owners", - "outputs": [ - { - "name": "", - "type": "address" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "owner", - "type": "address" - } - ], - "name": "removeOwner", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "transactionId", - "type": "uint256" - } - ], - "name": "revokeConfirmation", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "", - "type": "address" - } - ], - "name": "isOwner", - "outputs": [ - { - "name": "", - "type": "bool" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "", - "type": "uint256" - }, - { - "name": "", - "type": "address" - } - ], - "name": "confirmations", - "outputs": [ - { - "name": "", - "type": "bool" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "transactionId", - "type": "uint256" - } - ], - "name": "executeRemoveAuthorizedAddressAtIndex", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": true, - "inputs": [], - "name": "secondsTimeLocked", - "outputs": [ - { - "name": "", - "type": "uint256" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "pending", - "type": "bool" - }, - { - "name": "executed", - "type": "bool" - } - ], - "name": "getTransactionCount", - "outputs": [ - { - "name": "count", - "type": "uint256" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "assetProxyContract", - "type": "address" - }, - { - "name": "isRegistered", - "type": "bool" - } - ], - "name": "registerAssetProxy", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "owner", - "type": "address" - } - ], - "name": "addOwner", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "transactionId", - "type": "uint256" - } - ], - "name": "isConfirmed", - "outputs": [ - { - "name": "", - "type": "bool" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "_secondsTimeLocked", - "type": "uint256" - } - ], - "name": "changeTimeLock", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "", - "type": "address" - } - ], - "name": "isAssetProxyRegistered", - "outputs": [ - { - "name": "", - "type": "bool" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "transactionId", - "type": "uint256" - } - ], - "name": "getConfirmationCount", - "outputs": [ - { - "name": "count", - "type": "uint256" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "", - "type": "uint256" - } - ], - "name": "transactions", - "outputs": [ - { - "name": "destination", - "type": "address" - }, - { - "name": "value", - "type": "uint256" - }, - { - "name": "data", - "type": "bytes" - }, - { - "name": "executed", - "type": "bool" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [], - "name": "getOwners", - "outputs": [ - { - "name": "", - "type": "address[]" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "from", - "type": "uint256" - }, - { - "name": "to", - "type": "uint256" - }, - { - "name": "pending", - "type": "bool" - }, - { - "name": "executed", - "type": "bool" - } - ], - "name": "getTransactionIds", - "outputs": [ - { - "name": "_transactionIds", - "type": "uint256[]" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "transactionId", - "type": "uint256" - } - ], - "name": "getConfirmations", - "outputs": [ - { - "name": "_confirmations", - "type": "address[]" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [], - "name": "transactionCount", - "outputs": [ - { - "name": "", - "type": "uint256" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "_required", - "type": "uint256" - } - ], - "name": "changeRequirement", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "transactionId", - "type": "uint256" - } - ], - "name": "confirmTransaction", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "destination", - "type": "address" - }, - { - "name": "value", - "type": "uint256" - }, - { - "name": "data", - "type": "bytes" - } - ], - "name": "submitTransaction", - "outputs": [ - { - "name": "transactionId", - "type": "uint256" - } - ], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "", - "type": "uint256" - } - ], - "name": "confirmationTimes", - "outputs": [ - { - "name": "", - "type": "uint256" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [], - "name": "MAX_OWNER_COUNT", - "outputs": [ - { - "name": "", - "type": "uint256" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [], - "name": "required", - "outputs": [ - { - "name": "", - "type": "uint256" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "owner", - "type": "address" - }, - { - "name": "newOwner", - "type": "address" - } - ], - "name": "replaceOwner", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "transactionId", - "type": "uint256" - } - ], - "name": "executeTransaction", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "inputs": [ - { - "name": "_owners", - "type": "address[]" - }, - { - "name": "_assetProxyContracts", - "type": "address[]" - }, - { - "name": "_required", - "type": "uint256" - }, - { - "name": "_secondsTimeLocked", - "type": "uint256" - } - ], - "payable": false, - "stateMutability": "nonpayable", - "type": "constructor" - }, - { - "payable": true, - "stateMutability": "payable", - "type": "fallback" - }, - { - "anonymous": false, - "inputs": [ - { - "indexed": false, - "name": "assetProxyContract", - "type": "address" - }, - { - "indexed": false, - "name": "isRegistered", - "type": "bool" - } - ], - "name": "AssetProxyRegistration", - "type": "event" - }, - { - "anonymous": false, - "inputs": [ - { - "indexed": true, - "name": "transactionId", - "type": "uint256" - }, - { - "indexed": false, - "name": "confirmationTime", - "type": "uint256" - } - ], - "name": "ConfirmationTimeSet", - "type": "event" - }, - { - "anonymous": false, - "inputs": [ - { - "indexed": false, - "name": "secondsTimeLocked", - "type": "uint256" - } - ], - "name": "TimeLockChange", - "type": "event" - }, - { - "anonymous": false, - "inputs": [ - { - "indexed": true, - "name": "sender", - "type": "address" - }, - { - "indexed": true, - "name": "transactionId", - "type": "uint256" - } - ], - "name": "Confirmation", - "type": "event" - }, - { - "anonymous": false, - "inputs": [ - { - "indexed": true, - "name": "sender", - "type": "address" - }, - { - "indexed": true, - "name": "transactionId", - "type": "uint256" - } - ], - "name": "Revocation", - "type": "event" - }, - { - "anonymous": false, - "inputs": [ - { - "indexed": true, - "name": "transactionId", - "type": "uint256" - } - ], - "name": "Submission", - "type": "event" - }, - { - "anonymous": false, - "inputs": [ - { - "indexed": true, - "name": "transactionId", - "type": "uint256" - } - ], - "name": "Execution", - "type": "event" - }, - { - "anonymous": false, - "inputs": [ - { - "indexed": true, - "name": "transactionId", - "type": "uint256" - } - ], - "name": "ExecutionFailure", - "type": "event" - }, - { - "anonymous": false, - "inputs": [ - { - "indexed": true, - "name": "sender", - "type": "address" - }, - { - "indexed": false, - "name": "value", - "type": "uint256" - } - ], - "name": "Deposit", - "type": "event" - }, - { - "anonymous": false, - "inputs": [ - { - "indexed": true, - "name": "owner", - "type": "address" - } - ], - "name": "OwnerAddition", - "type": "event" - }, - { - "anonymous": false, - "inputs": [ - { - "indexed": true, - "name": "owner", - "type": "address" - } - ], - "name": "OwnerRemoval", - "type": "event" - }, - { - "anonymous": false, - "inputs": [ - { - "indexed": false, - "name": "required", - "type": "uint256" - } - ], - "name": "RequirementChange", - "type": "event" - } - ], - "evm": { - "bytecode": { - "linkReferences": {}, - "object": 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- "opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE CALLVALUE DUP1 ISZERO PUSH3 0x11 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x40 MLOAD PUSH3 0x2463 CODESIZE SUB DUP1 PUSH3 0x2463 DUP4 CODECOPY DUP2 ADD PUSH1 0x40 SWAP1 DUP2 MSTORE DUP2 MLOAD PUSH1 0x20 DUP4 ADD MLOAD SWAP2 DUP4 ADD MLOAD PUSH1 0x60 DUP5 ADD MLOAD SWAP2 DUP5 ADD DUP1 MLOAD SWAP1 SWAP5 SWAP4 SWAP1 SWAP4 ADD SWAP3 SWAP1 SWAP2 SWAP1 PUSH1 0x0 SWAP1 DUP2 SWAP1 DUP7 SWAP1 DUP6 SWAP1 DUP6 SWAP1 DUP4 SWAP1 DUP4 SWAP1 DUP7 SWAP1 DUP3 PUSH1 0x32 DUP3 GT DUP1 ISZERO SWAP1 PUSH3 0x6C JUMPI POP DUP2 DUP2 GT ISZERO JUMPDEST DUP1 ISZERO PUSH3 0x78 JUMPI POP DUP1 ISZERO ISZERO JUMPDEST DUP1 ISZERO PUSH3 0x84 JUMPI POP DUP2 ISZERO ISZERO JUMPDEST ISZERO ISZERO PUSH3 0x90 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 SWAP3 POP JUMPDEST DUP5 MLOAD DUP4 LT ISZERO PUSH3 0x168 JUMPI PUSH1 0x2 PUSH1 0x0 DUP7 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH3 0xB2 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD DUP2 ADD MLOAD PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB AND DUP3 MSTORE DUP2 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0x40 ADD PUSH1 0x0 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO DUP1 ISZERO PUSH3 0x108 JUMPI POP DUP5 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH3 0xF0 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB AND PUSH1 0x0 EQ ISZERO JUMPDEST ISZERO ISZERO PUSH3 0x114 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x1 PUSH1 0x2 PUSH1 0x0 DUP8 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH3 0x129 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP2 SWAP1 SWAP2 ADD DUP2 ADD MLOAD PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB AND DUP3 MSTORE DUP2 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0x40 ADD PUSH1 0x0 KECCAK256 DUP1 SLOAD PUSH1 0xFF NOT AND SWAP2 ISZERO ISZERO SWAP2 SWAP1 SWAP2 OR SWAP1 SSTORE PUSH1 0x1 SWAP3 SWAP1 SWAP3 ADD SWAP2 PUSH3 0x95 JUMP JUMPDEST DUP5 MLOAD PUSH3 0x17D SWAP1 PUSH1 0x3 SWAP1 PUSH1 0x20 DUP9 ADD SWAP1 PUSH3 0x26C JUMP JUMPDEST POP POP POP PUSH1 0x4 SWAP2 SWAP1 SWAP2 SSTORE POP POP PUSH1 0x6 SSTORE POP PUSH1 0x0 SWAP3 POP POP JUMPDEST DUP5 MLOAD DUP3 LT ISZERO PUSH3 0x260 JUMPI DUP5 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH3 0x1AB JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD SWAP1 POP PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB DUP2 AND ISZERO ISZERO PUSH3 0x22F JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x494E56414C49445F41535345545F50524F585900000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x8 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 DUP1 SLOAD PUSH1 0xFF NOT AND PUSH1 0x1 SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH3 0x192 JUMP JUMPDEST POP POP POP POP POP POP PUSH3 0x300 JUMP JUMPDEST DUP3 DUP1 SLOAD DUP3 DUP3 SSTORE SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 DUP2 ADD SWAP3 DUP3 ISZERO PUSH3 0x2C4 JUMPI SWAP2 PUSH1 0x20 MUL DUP3 ADD JUMPDEST DUP3 DUP2 GT ISZERO PUSH3 0x2C4 JUMPI DUP3 MLOAD DUP3 SLOAD PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB NOT AND PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB SWAP1 SWAP2 AND OR DUP3 SSTORE PUSH1 0x20 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH3 0x28D JUMP JUMPDEST POP PUSH3 0x2D2 SWAP3 SWAP2 POP PUSH3 0x2D6 JUMP JUMPDEST POP SWAP1 JUMP JUMPDEST PUSH3 0x2FD SWAP2 SWAP1 JUMPDEST DUP1 DUP3 GT ISZERO PUSH3 0x2D2 JUMPI DUP1 SLOAD PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB NOT AND DUP2 SSTORE PUSH1 0x1 ADD PUSH3 0x2DD JUMP JUMPDEST SWAP1 JUMP JUMPDEST PUSH2 0x2153 DUP1 PUSH3 0x310 PUSH1 0x0 CODECOPY PUSH1 0x0 RETURN STOP PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0x15E JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x25E7C27 DUP2 EQ PUSH2 0x1A0 JUMPI DUP1 PUSH4 0x173825D9 EQ PUSH2 0x1E1 JUMPI DUP1 PUSH4 0x20EA8D86 EQ PUSH2 0x20F JUMPI DUP1 PUSH4 0x2F54BF6E EQ PUSH2 0x227 JUMPI DUP1 PUSH4 0x3411C81C EQ PUSH2 0x269 JUMPI DUP1 PUSH4 0x3589B35C EQ PUSH2 0x29A JUMPI DUP1 PUSH4 0x37BD78A0 EQ PUSH2 0x2B2 JUMPI DUP1 PUSH4 0x54741525 EQ PUSH2 0x2D9 JUMPI DUP1 PUSH4 0x5A1A66AF EQ PUSH2 0x2F8 JUMPI DUP1 PUSH4 0x7065CB48 EQ PUSH2 0x32B JUMPI DUP1 PUSH4 0x784547A7 EQ PUSH2 0x359 JUMPI DUP1 PUSH4 0x7AD28C51 EQ PUSH2 0x371 JUMPI DUP1 PUSH4 0x83250F79 EQ PUSH2 0x389 JUMPI DUP1 PUSH4 0x8B51D13F EQ PUSH2 0x3B7 JUMPI DUP1 PUSH4 0x9ACE38C2 EQ PUSH2 0x3CF JUMPI DUP1 PUSH4 0xA0E67E2B EQ PUSH2 0x4A4 JUMPI DUP1 PUSH4 0xA8ABE69A EQ PUSH2 0x509 JUMPI DUP1 PUSH4 0xB5DC40C3 EQ PUSH2 0x52E JUMPI DUP1 PUSH4 0xB77BF600 EQ PUSH2 0x546 JUMPI DUP1 PUSH4 0xBA51A6DF EQ PUSH2 0x55B JUMPI DUP1 PUSH4 0xC01A8C84 EQ PUSH2 0x573 JUMPI DUP1 PUSH4 0xC6427474 EQ PUSH2 0x58B JUMPI DUP1 PUSH4 0xD38F2D82 EQ PUSH2 0x601 JUMPI DUP1 PUSH4 0xD74F8EDD EQ PUSH2 0x619 JUMPI DUP1 PUSH4 0xDC8452CD EQ PUSH2 0x62E JUMPI DUP1 PUSH4 0xE20056E6 EQ PUSH2 0x643 JUMPI DUP1 PUSH4 0xEE22610B EQ PUSH2 0x677 JUMPI JUMPDEST PUSH1 0x0 CALLVALUE GT ISZERO PUSH2 0x19E JUMPI PUSH1 0x40 DUP1 MLOAD CALLVALUE DUP2 MSTORE SWAP1 MLOAD CALLER SWAP2 PUSH32 0xE1FFFCC4923D04B559F4D29A8BFC6CDA04EB5B0D3C460751C2402C5C5CC9109C SWAP2 SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 LOG2 JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1AC JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1B8 PUSH1 0x4 CALLDATALOAD PUSH2 0x68F JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1ED JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x6C4 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x21B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0x91B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x233 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x255 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x9F3 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x275 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x255 PUSH1 0x4 CALLDATALOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x24 CALLDATALOAD AND PUSH2 0xA08 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2A6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0xA28 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2BE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH2 0xEDA JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2E5 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH1 0x4 CALLDATALOAD ISZERO ISZERO PUSH1 0x24 CALLDATALOAD ISZERO ISZERO PUSH2 0xEE0 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x304 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD ISZERO ISZERO PUSH2 0xF4C JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x337 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x100B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x365 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x255 PUSH1 0x4 CALLDATALOAD PUSH2 0x1180 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x37D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0x1211 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x395 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x255 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x1258 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3C3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH1 0x4 CALLDATALOAD PUSH2 0x126D JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3DB JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x3E7 PUSH1 0x4 CALLDATALOAD PUSH2 0x12E9 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD DUP5 DUP2 MSTORE PUSH1 0x20 ADD DUP1 PUSH1 0x20 ADD DUP4 ISZERO ISZERO ISZERO ISZERO DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP2 SUB DUP3 MSTORE DUP5 DUP2 DUP2 MLOAD DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP DUP1 MLOAD SWAP1 PUSH1 0x20 ADD SWAP1 DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x466 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x44E JUMP JUMPDEST POP POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x493 JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP6 POP POP POP POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x4B0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x4B9 PUSH2 0x13D2 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 DUP2 ADD SWAP2 MUL DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x4F5 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x4DD JUMP JUMPDEST POP POP POP POP SWAP1 POP ADD SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x515 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x4B9 PUSH1 0x4 CALLDATALOAD PUSH1 0x24 CALLDATALOAD PUSH1 0x44 CALLDATALOAD ISZERO ISZERO PUSH1 0x64 CALLDATALOAD ISZERO ISZERO PUSH2 0x1442 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x53A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x4B9 PUSH1 0x4 CALLDATALOAD PUSH2 0x157B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x552 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH2 0x1728 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x567 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0x172E JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x57F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0x17AD JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x597 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x4 PUSH1 0x44 CALLDATALOAD DUP2 DUP2 ADD CALLDATALOAD PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP6 ADD DUP5 ADD SWAP1 SWAP6 MSTORE DUP5 DUP5 MSTORE PUSH2 0x2C7 SWAP5 DUP3 CALLDATALOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP5 PUSH1 0x24 DUP1 CALLDATALOAD SWAP6 CALLDATASIZE SWAP6 SWAP5 PUSH1 0x64 SWAP5 SWAP3 ADD SWAP2 SWAP1 DUP2 SWAP1 DUP5 ADD DUP4 DUP3 DUP1 DUP3 DUP5 CALLDATACOPY POP SWAP5 SWAP8 POP PUSH2 0x1921 SWAP7 POP POP POP POP POP POP POP JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x60D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH1 0x4 CALLDATALOAD PUSH2 0x1940 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x625 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH2 0x1952 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x63A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH2 0x1957 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x64F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0x195D JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x683 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0x1B6D JUMP JUMPDEST PUSH1 0x3 DUP1 SLOAD DUP3 SWAP1 DUP2 LT PUSH2 0x69D JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 POP DUP2 JUMP JUMPDEST PUSH1 0x0 CALLER ADDRESS EQ PUSH2 0x6D2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP3 SWAP1 PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x708 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE SWAP2 POP JUMPDEST PUSH1 0x3 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP3 LT ISZERO PUSH2 0x88B JUMPI DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x3 DUP4 DUP2 SLOAD DUP2 LT ISZERO ISZERO PUSH2 0x7A8 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO PUSH2 0x880 JUMPI PUSH1 0x3 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 ADD SWAP1 DUP2 LT PUSH2 0x800 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH1 0x3 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND SWAP2 DUP5 SWAP1 DUP2 LT PUSH2 0x833 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 ADD PUSH1 0x0 PUSH2 0x100 EXP DUP2 SLOAD DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF MUL NOT AND SWAP1 DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND MUL OR SWAP1 SSTORE POP PUSH2 0x88B JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH2 0x756 JUMP JUMPDEST PUSH1 0x3 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 PUSH2 0x8BC SWAP1 DUP3 PUSH2 0x2066 JUMP JUMPDEST POP PUSH1 0x3 SLOAD PUSH1 0x4 SLOAD GT ISZERO PUSH2 0x8D5 JUMPI PUSH1 0x3 SLOAD PUSH2 0x8D5 SWAP1 PUSH2 0x172E JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND SWAP1 PUSH32 0x8001553A916EF2F495D26A907CC54D96ED840D7BDA71E73194BF5A9DF7A76B90 SWAP1 PUSH1 0x0 SWAP1 LOG2 POP POP POP JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x939 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP1 DUP6 MSTORE SWAP3 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD DUP4 SWAP2 SWAP1 PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x965 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x3 ADD SLOAD DUP5 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0x986 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP6 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP1 DUP6 MSTORE SWAP3 MSTORE DUP1 DUP4 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE MLOAD DUP8 SWAP3 PUSH32 0xF6A317157440607F36269043EB55F1287A5A19BA2216AFEAB88CD46CBCFB88E9 SWAP2 LOG3 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x0 SWAP3 DUP4 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 SWAP1 SWAP2 MSTORE SWAP1 DUP3 MSTORE SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP2 KECCAK256 PUSH1 0x3 ADD SLOAD DUP3 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0xA49 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP3 PUSH2 0xA53 DUP2 PUSH2 0x1180 JUMP JUMPDEST ISZERO ISZERO PUSH2 0xAC0 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x54585F4E4F545F46554C4C595F434F4E4649524D454400000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP5 MSTORE PUSH1 0x8 SWAP1 SWAP3 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD DUP6 SWAP2 SWAP1 PUSH1 0xFF AND ISZERO ISZERO PUSH2 0xB65 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x18 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x554E524547495354455245445F41535345545F50524F58590000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x72656D6F7665417574686F72697A6564416464726573734174496E6465782861 DUP2 MSTORE PUSH32 0x6464726573732C75696E74323536290000000000000000000000000000000000 PUSH1 0x20 DUP1 DUP4 ADD SWAP2 SWAP1 SWAP2 MSTORE DUP3 MLOAD SWAP2 DUP3 SWAP1 SUB PUSH1 0x2F ADD DUP3 KECCAK256 PUSH1 0x2 DUP1 DUP7 ADD DUP1 SLOAD PUSH1 0x1F PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH2 0x100 PUSH1 0x1 DUP5 AND ISZERO MUL ADD SWAP1 SWAP2 AND SWAP3 SWAP1 SWAP3 DIV SWAP2 DUP3 ADD DUP5 SWAP1 DIV DUP5 MUL DUP6 ADD DUP5 ADD SWAP1 SWAP6 MSTORE DUP1 DUP5 MSTORE PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 SWAP1 SWAP2 AND SWAP4 PUSH2 0xCA1 SWAP4 PUSH1 0x0 SWAP4 SWAP1 SWAP3 SWAP1 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0xC8E JUMPI DUP1 PUSH1 0x1F LT PUSH2 0xC63 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0xC8E JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0xC71 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP PUSH2 0x1DFD SWAP1 SWAP2 SWAP1 PUSH4 0xFFFFFFFF AND JUMP JUMPDEST PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND EQ PUSH2 0xD2F JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x19 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x494E56414C49445F46554E4354494F4E5F53454C4543544F5200000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP7 DUP2 MSTORE PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 SWAP2 DUP3 SWAP1 KECCAK256 PUSH1 0x3 DUP2 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP2 SLOAD DUP2 DUP4 ADD SLOAD PUSH1 0x2 DUP1 DUP6 ADD DUP1 SLOAD DUP9 MLOAD PUSH1 0x1F PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP8 DUP4 AND ISZERO PUSH2 0x100 MUL SWAP8 SWAP1 SWAP8 ADD SWAP1 SWAP2 AND SWAP3 SWAP1 SWAP3 DIV SWAP5 DUP6 ADD DUP8 SWAP1 DIV DUP8 MUL DUP3 ADD DUP8 ADD SWAP1 SWAP8 MSTORE DUP4 DUP2 MSTORE SWAP4 SWAP11 POP PUSH2 0xE47 SWAP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND SWAP5 SWAP1 SWAP4 SWAP2 SWAP1 DUP4 SWAP1 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0xE3D JUMPI DUP1 PUSH1 0x1F LT PUSH2 0xE12 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0xE3D JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0xE20 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP PUSH2 0x1EC5 JUMP JUMPDEST ISZERO PUSH2 0xE7C JUMPI PUSH1 0x40 MLOAD DUP7 SWAP1 PUSH32 0x33E13ECB54C3076D8E8BB8C2881800A4D972B792045FFAE98FDF46DF365FED75 SWAP1 PUSH1 0x0 SWAP1 LOG2 PUSH2 0xED2 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP7 SWAP1 PUSH32 0x526441BB6C1ABA3C9A4A6CA1D6545DA9C2333C8C48343EF398EB858D72B79236 SWAP1 PUSH1 0x0 SWAP1 LOG2 PUSH1 0x3 DUP6 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE JUMPDEST POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x6 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x0 DUP1 JUMPDEST PUSH1 0x5 SLOAD DUP2 LT ISZERO PUSH2 0xF45 JUMPI DUP4 DUP1 ISZERO PUSH2 0xF0D JUMPI POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x3 ADD SLOAD PUSH1 0xFF AND ISZERO JUMPDEST DUP1 PUSH2 0xF31 JUMPI POP DUP3 DUP1 ISZERO PUSH2 0xF31 JUMPI POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x3 ADD SLOAD PUSH1 0xFF AND JUMPDEST ISZERO PUSH2 0xF3D JUMPI PUSH1 0x1 DUP3 ADD SWAP2 POP JUMPDEST PUSH1 0x1 ADD PUSH2 0xEE4 JUMP JUMPDEST POP SWAP3 SWAP2 POP POP JUMP JUMPDEST CALLER ADDRESS EQ PUSH2 0xF58 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO ISZERO PUSH2 0xF7B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x8 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP2 DUP3 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND DUP7 ISZERO ISZERO SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP3 MLOAD SWAP4 DUP5 MSTORE SWAP1 DUP4 ADD MSTORE DUP1 MLOAD PUSH32 0xDAEF8FF7DC66C5E34EB9C338AAB679D9F427F89868D9228494455A4D982EB2B0 SWAP3 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG1 POP POP POP JUMP JUMPDEST CALLER ADDRESS EQ PUSH2 0x1017 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP2 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0x104C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO ISZERO PUSH2 0x106F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x3 DUP1 SLOAD SWAP1 POP PUSH1 0x1 ADD PUSH1 0x4 SLOAD PUSH1 0x32 DUP3 GT ISZERO DUP1 ISZERO PUSH2 0x108C JUMPI POP DUP2 DUP2 GT ISZERO JUMPDEST DUP1 ISZERO PUSH2 0x1097 JUMPI POP DUP1 ISZERO ISZERO JUMPDEST DUP1 ISZERO PUSH2 0x10A2 JUMPI POP DUP2 ISZERO ISZERO JUMPDEST ISZERO ISZERO PUSH2 0x10AD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP6 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE PUSH1 0x3 DUP1 SLOAD SWAP2 DUP3 ADD DUP2 SSTORE DUP4 MSTORE PUSH32 0xC2575A0E9E593C00F959F8C92F12DB2869C3395A3B0502D05E2516446F71F85B ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND DUP5 OR SWAP1 SSTORE MLOAD PUSH32 0xF39E6E1EB0EDCF53C221607B54B00CD28F3196FED0A24994DC308B8F611B682D SWAP2 SWAP1 LOG2 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 JUMPDEST PUSH1 0x3 SLOAD DUP2 LT ISZERO PUSH2 0x120A JUMPI PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 PUSH1 0x3 DUP1 SLOAD SWAP2 SWAP3 SWAP2 DUP5 SWAP1 DUP2 LT PUSH2 0x11AE JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 KECCAK256 SWAP1 SWAP2 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP4 MSTORE DUP3 ADD SWAP3 SWAP1 SWAP3 MSTORE PUSH1 0x40 ADD SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x11EF JUMPI PUSH1 0x1 DUP3 ADD SWAP2 POP JUMPDEST PUSH1 0x4 SLOAD DUP3 EQ ISZERO PUSH2 0x1202 JUMPI PUSH1 0x1 SWAP3 POP PUSH2 0x120A JUMP JUMPDEST PUSH1 0x1 ADD PUSH2 0x1185 JUMP JUMPDEST POP POP SWAP2 SWAP1 POP JUMP JUMPDEST CALLER ADDRESS EQ PUSH2 0x121D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x6 DUP2 SWAP1 SSTORE PUSH1 0x40 DUP1 MLOAD DUP3 DUP2 MSTORE SWAP1 MLOAD PUSH32 0xD1C9101A34FEFF75CCCEF14A28785A0279CB0B49C1F321F21F5F422E746B4377 SWAP2 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 LOG1 POP JUMP JUMPDEST PUSH1 0x8 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x0 DUP1 JUMPDEST PUSH1 0x3 SLOAD DUP2 LT ISZERO PUSH2 0x12E3 JUMPI PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 PUSH1 0x3 DUP1 SLOAD SWAP2 SWAP3 SWAP2 DUP5 SWAP1 DUP2 LT PUSH2 0x129A JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 KECCAK256 SWAP1 SWAP2 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP4 MSTORE DUP3 ADD SWAP3 SWAP1 SWAP3 MSTORE PUSH1 0x40 ADD SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x12DB JUMPI PUSH1 0x1 DUP3 ADD SWAP2 POP JUMPDEST PUSH1 0x1 ADD PUSH2 0x1271 JUMP JUMPDEST POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP2 DUP2 MSTORE SWAP2 DUP2 MSTORE PUSH1 0x40 SWAP1 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH1 0x1 DUP1 DUP4 ADD SLOAD PUSH1 0x2 DUP1 DUP6 ADD DUP1 SLOAD DUP8 MLOAD PUSH2 0x100 SWAP6 DUP3 AND ISZERO SWAP6 SWAP1 SWAP6 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD AND SWAP2 SWAP1 SWAP2 DIV PUSH1 0x1F DUP2 ADD DUP9 SWAP1 DIV DUP9 MUL DUP5 ADD DUP9 ADD SWAP1 SWAP7 MSTORE DUP6 DUP4 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP4 AND SWAP6 SWAP1 SWAP5 SWAP2 SWAP3 SWAP2 SWAP1 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x13BF JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x1394 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x13BF JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x13A2 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP PUSH1 0x3 SWAP1 SWAP4 ADD SLOAD SWAP2 SWAP3 POP POP PUSH1 0xFF AND DUP5 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x3 DUP1 SLOAD DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP1 SLOAD DUP1 ISZERO PUSH2 0x1437 JUMPI PUSH1 0x20 MUL DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x140C JUMPI JUMPDEST POP POP POP POP POP SWAP1 POP JUMPDEST SWAP1 JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x0 DUP1 PUSH1 0x5 SLOAD PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x1474 JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP3 POP PUSH1 0x0 SWAP2 POP PUSH1 0x0 SWAP1 POP JUMPDEST PUSH1 0x5 SLOAD DUP2 LT ISZERO PUSH2 0x14FB JUMPI DUP6 DUP1 ISZERO PUSH2 0x14A9 JUMPI POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x3 ADD SLOAD PUSH1 0xFF AND ISZERO JUMPDEST DUP1 PUSH2 0x14CD JUMPI POP DUP5 DUP1 ISZERO PUSH2 0x14CD JUMPI POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x3 ADD SLOAD PUSH1 0xFF AND JUMPDEST ISZERO PUSH2 0x14F3 JUMPI DUP1 DUP4 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x14E1 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MSTORE PUSH1 0x1 SWAP2 SWAP1 SWAP2 ADD SWAP1 JUMPDEST PUSH1 0x1 ADD PUSH2 0x1480 JUMP JUMPDEST DUP8 DUP8 SUB PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x1527 JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP4 POP DUP8 SWAP1 POP JUMPDEST DUP7 DUP2 LT ISZERO PUSH2 0x1570 JUMPI DUP3 DUP2 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1544 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP5 DUP10 DUP4 SUB DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x155E JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MSTORE PUSH1 0x1 ADD PUSH2 0x152E JUMP JUMPDEST POP POP POP SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x0 DUP1 PUSH1 0x3 DUP1 SLOAD SWAP1 POP PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x15B0 JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP3 POP PUSH1 0x0 SWAP2 POP PUSH1 0x0 SWAP1 POP JUMPDEST PUSH1 0x3 SLOAD DUP2 LT ISZERO PUSH2 0x1694 JUMPI PUSH1 0x0 DUP6 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 PUSH1 0x3 DUP1 SLOAD SWAP2 SWAP3 SWAP2 DUP5 SWAP1 DUP2 LT PUSH2 0x15E5 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 KECCAK256 SWAP1 SWAP2 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP4 MSTORE DUP3 ADD SWAP3 SWAP1 SWAP3 MSTORE PUSH1 0x40 ADD SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x168C JUMPI PUSH1 0x3 DUP1 SLOAD DUP3 SWAP1 DUP2 LT PUSH2 0x162D JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD DUP4 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP2 AND SWAP1 DUP5 SWAP1 DUP5 SWAP1 DUP2 LT PUSH2 0x1660 JUMPI INVALID JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND PUSH1 0x20 SWAP3 DUP4 MUL SWAP1 SWAP2 ADD SWAP1 SWAP2 ADD MSTORE PUSH1 0x1 SWAP2 SWAP1 SWAP2 ADD SWAP1 JUMPDEST PUSH1 0x1 ADD PUSH2 0x15BC JUMP JUMPDEST DUP2 PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x16BE JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP4 POP PUSH1 0x0 SWAP1 POP JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x1720 JUMPI DUP3 DUP2 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x16DC JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP5 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x16F4 JUMPI INVALID JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND PUSH1 0x20 SWAP3 DUP4 MUL SWAP1 SWAP2 ADD SWAP1 SWAP2 ADD MSTORE PUSH1 0x1 ADD PUSH2 0x16C6 JUMP JUMPDEST POP POP POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x5 SLOAD DUP2 JUMP JUMPDEST CALLER ADDRESS EQ PUSH2 0x173A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x3 SLOAD DUP2 PUSH1 0x32 DUP3 GT DUP1 ISZERO SWAP1 PUSH2 0x174F JUMPI POP DUP2 DUP2 GT ISZERO JUMPDEST DUP1 ISZERO PUSH2 0x175A JUMPI POP DUP1 ISZERO ISZERO JUMPDEST DUP1 ISZERO PUSH2 0x1765 JUMPI POP DUP2 ISZERO ISZERO JUMPDEST ISZERO ISZERO PUSH2 0x1770 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x4 DUP4 SWAP1 SSTORE PUSH1 0x40 DUP1 MLOAD DUP5 DUP2 MSTORE SWAP1 MLOAD PUSH32 0xA3F1EE9126A074D9326C682F561767F710E927FAA811F7A99829D49DC421797A SWAP2 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 LOG1 POP POP POP JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x17CB JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP3 SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND ISZERO ISZERO PUSH2 0x17FD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP1 DUP6 MSTORE SWAP3 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD DUP5 SWAP2 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0x1828 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP5 PUSH2 0x1832 DUP2 PUSH2 0x1180 JUMP JUMPDEST ISZERO PUSH2 0x189E JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x12 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x54585F46554C4C595F434F4E4649524D45440000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP7 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 CALLER DUP1 DUP7 MSTORE SWAP3 MSTORE DUP1 DUP5 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SWAP4 OR SWAP1 SWAP3 SSTORE SWAP1 MLOAD DUP9 SWAP3 PUSH32 0x4A504A94899432A9846E1AA406DCEB1BCFD538BB839071D49D1E5E23F5BE30EF SWAP2 LOG3 PUSH2 0x1912 DUP7 PUSH2 0x1180 JUMP JUMPDEST ISZERO PUSH2 0xED2 JUMPI PUSH2 0xED2 DUP7 TIMESTAMP PUSH2 0x1EE8 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x192E DUP5 DUP5 DUP5 PUSH2 0x1F33 JUMP JUMPDEST SWAP1 POP PUSH2 0x1939 DUP2 PUSH2 0x17AD JUMP JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x7 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x32 DUP2 JUMP JUMPDEST PUSH1 0x4 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x0 CALLER ADDRESS EQ PUSH2 0x196B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP4 SWAP1 PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x19A1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP4 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0x19D6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 SWAP3 POP JUMPDEST PUSH1 0x3 SLOAD DUP4 LT ISZERO PUSH2 0x1A9B JUMPI DUP5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x3 DUP5 DUP2 SLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1A0B JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO PUSH2 0x1A90 JUMPI DUP4 PUSH1 0x3 DUP5 DUP2 SLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1A43 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 ADD PUSH1 0x0 PUSH2 0x100 EXP DUP2 SLOAD DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF MUL NOT AND SWAP1 DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND MUL OR SWAP1 SSTORE POP PUSH2 0x1A9B JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP3 ADD SWAP2 PUSH2 0x19DB JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP7 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 SWAP1 DUP2 AND SWAP1 SWAP2 SSTORE SWAP4 DUP9 AND DUP3 MSTORE DUP1 DUP3 KECCAK256 DUP1 SLOAD SWAP1 SWAP5 AND PUSH1 0x1 OR SWAP1 SWAP4 SSTORE SWAP2 MLOAD SWAP1 SWAP2 PUSH32 0x8001553A916EF2F495D26A907CC54D96ED840D7BDA71E73194BF5A9DF7A76B90 SWAP2 LOG2 PUSH1 0x40 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP6 AND SWAP1 PUSH32 0xF39E6E1EB0EDCF53C221607B54B00CD28F3196FED0A24994DC308B8F611B682D SWAP1 PUSH1 0x0 SWAP1 LOG2 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP2 KECCAK256 PUSH1 0x3 ADD SLOAD DUP3 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0x1B8E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP3 PUSH2 0x1B98 DUP2 PUSH2 0x1180 JUMP JUMPDEST ISZERO ISZERO PUSH2 0x1C05 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x54585F4E4F545F46554C4C595F434F4E4649524D454400000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x6 SLOAD PUSH1 0x0 DUP6 DUP2 MSTORE PUSH1 0x7 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP6 SWAP2 ADD TIMESTAMP LT ISZERO PUSH2 0x1C88 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x14 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x54494D455F4C4F434B5F494E434F4D504C455445000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP6 DUP2 MSTORE PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 SWAP2 DUP3 SWAP1 KECCAK256 PUSH1 0x3 DUP2 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP2 SLOAD DUP2 DUP4 ADD SLOAD PUSH1 0x2 DUP1 DUP6 ADD DUP1 SLOAD DUP9 MLOAD PUSH1 0x1F PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP8 DUP4 AND ISZERO PUSH2 0x100 MUL SWAP8 SWAP1 SWAP8 ADD SWAP1 SWAP2 AND SWAP3 SWAP1 SWAP3 DIV SWAP5 DUP6 ADD DUP8 SWAP1 DIV DUP8 MUL DUP3 ADD DUP8 ADD SWAP1 SWAP8 MSTORE DUP4 DUP2 MSTORE SWAP4 SWAP10 POP PUSH2 0x1D6B SWAP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND SWAP5 SWAP1 SWAP4 SWAP2 SWAP1 DUP4 SWAP1 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0xE3D JUMPI DUP1 PUSH1 0x1F LT PUSH2 0xE12 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0xE3D JUMP JUMPDEST ISZERO PUSH2 0x1DA0 JUMPI PUSH1 0x40 MLOAD DUP6 SWAP1 PUSH32 0x33E13ECB54C3076D8E8BB8C2881800A4D972B792045FFAE98FDF46DF365FED75 SWAP1 PUSH1 0x0 SWAP1 LOG2 PUSH2 0x1DF6 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP6 SWAP1 PUSH32 0x526441BB6C1ABA3C9A4A6CA1D6545DA9C2333C8C48343EF398EB858D72B79236 SWAP1 PUSH1 0x0 SWAP1 LOG2 PUSH1 0x3 DUP5 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE JUMPDEST POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x4 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x1E9A JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x25 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F345F4C454E4754485F524551 PUSH1 0x44 DUP3 ADD MSTORE PUSH32 0x5549524544000000000000000000000000000000000000000000000000000000 PUSH1 0x64 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x84 ADD SWAP1 REVERT JUMPDEST POP ADD PUSH1 0x20 ADD MLOAD PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 MLOAD PUSH1 0x20 DUP5 ADD PUSH1 0x0 DUP3 DUP8 DUP4 DUP11 DUP13 PUSH2 0x8796 GAS SUB CALL SWAP9 SWAP8 POP POP POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x7 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP2 DUP3 SWAP1 KECCAK256 DUP4 SWAP1 SSTORE DUP2 MLOAD DUP4 DUP2 MSTORE SWAP2 MLOAD DUP5 SWAP3 PUSH32 0xB237AFE65F1514FD7EA3F923EA4FE792BDD07000A912B6CD1602A8E7F573C8D SWAP3 SWAP1 DUP3 SWAP1 SUB ADD SWAP1 LOG2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO ISZERO PUSH2 0x1F58 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x5 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x80 DUP2 ADD DUP3 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP9 DUP2 AND DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 ADD DUP10 DUP2 MSTORE DUP4 DUP6 ADD DUP10 DUP2 MSTORE PUSH1 0x0 PUSH1 0x60 DUP7 ADD DUP2 SWAP1 MSTORE DUP8 DUP2 MSTORE DUP1 DUP5 MSTORE SWAP6 SWAP1 SWAP6 KECCAK256 DUP5 MLOAD DUP2 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND SWAP5 AND SWAP4 SWAP1 SWAP4 OR DUP4 SSTORE MLOAD PUSH1 0x1 DUP4 ADD SSTORE SWAP3 MLOAD DUP1 MLOAD SWAP5 SWAP7 POP SWAP2 SWAP4 SWAP1 SWAP3 PUSH2 0x1FF0 SWAP3 PUSH1 0x2 DUP6 ADD SWAP3 SWAP2 ADD SWAP1 PUSH2 0x208F JUMP JUMPDEST POP PUSH1 0x60 SWAP2 SWAP1 SWAP2 ADD MLOAD PUSH1 0x3 SWAP1 SWAP2 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP2 ISZERO ISZERO SWAP2 SWAP1 SWAP2 OR SWAP1 SSTORE PUSH1 0x5 DUP1 SLOAD PUSH1 0x1 ADD SWAP1 SSTORE PUSH1 0x40 MLOAD DUP3 SWAP1 PUSH32 0xC0BA8FE4B176C1714197D43B9CC6BCF797A4A7461C5FE8D0EF6E184AE7601E51 SWAP1 PUSH1 0x0 SWAP1 LOG2 POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST DUP2 SLOAD DUP2 DUP4 SSTORE DUP2 DUP2 GT ISZERO PUSH2 0x208A JUMPI PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x20 SWAP1 KECCAK256 PUSH2 0x208A SWAP2 DUP2 ADD SWAP1 DUP4 ADD PUSH2 0x210D JUMP JUMPDEST POP POP POP JUMP JUMPDEST DUP3 DUP1 SLOAD PUSH1 0x1 DUP2 PUSH1 0x1 AND ISZERO PUSH2 0x100 MUL SUB AND PUSH1 0x2 SWAP1 DIV SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 PUSH1 0x1F ADD PUSH1 0x20 SWAP1 DIV DUP2 ADD SWAP3 DUP3 PUSH1 0x1F LT PUSH2 0x20D0 JUMPI DUP1 MLOAD PUSH1 0xFF NOT AND DUP4 DUP1 ADD OR DUP6 SSTORE PUSH2 0x20FD JUMP JUMPDEST DUP3 DUP1 ADD PUSH1 0x1 ADD DUP6 SSTORE DUP3 ISZERO PUSH2 0x20FD JUMPI SWAP2 DUP3 ADD JUMPDEST DUP3 DUP2 GT ISZERO PUSH2 0x20FD JUMPI DUP3 MLOAD DUP3 SSTORE SWAP2 PUSH1 0x20 ADD SWAP2 SWAP1 PUSH1 0x1 ADD SWAP1 PUSH2 0x20E2 JUMP JUMPDEST POP PUSH2 0x2109 SWAP3 SWAP2 POP PUSH2 0x210D JUMP JUMPDEST POP SWAP1 JUMP JUMPDEST PUSH2 0x143F SWAP2 SWAP1 JUMPDEST DUP1 DUP3 GT ISZERO PUSH2 0x2109 JUMPI PUSH1 0x0 DUP2 SSTORE PUSH1 0x1 ADD PUSH2 0x2113 JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 MSTORE DUP14 0xb3 EXTCODESIZE CALLVALUE 0xdd RETURNDATASIZE DUP8 0xf9 0x27 PUSH6 0xDA5FAC3E1E5D SHL SWAP3 CODECOPY CALLDATALOAD 0x3f PUSH5 0x5405CA9BF 0xc9 0xce 0xe8 0xdb STOP 0x29 ", - "sourceMap": 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- "opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0x15E JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x25E7C27 DUP2 EQ PUSH2 0x1A0 JUMPI DUP1 PUSH4 0x173825D9 EQ PUSH2 0x1E1 JUMPI DUP1 PUSH4 0x20EA8D86 EQ PUSH2 0x20F JUMPI DUP1 PUSH4 0x2F54BF6E EQ PUSH2 0x227 JUMPI DUP1 PUSH4 0x3411C81C EQ PUSH2 0x269 JUMPI DUP1 PUSH4 0x3589B35C EQ PUSH2 0x29A JUMPI DUP1 PUSH4 0x37BD78A0 EQ PUSH2 0x2B2 JUMPI DUP1 PUSH4 0x54741525 EQ PUSH2 0x2D9 JUMPI DUP1 PUSH4 0x5A1A66AF EQ PUSH2 0x2F8 JUMPI DUP1 PUSH4 0x7065CB48 EQ PUSH2 0x32B JUMPI DUP1 PUSH4 0x784547A7 EQ PUSH2 0x359 JUMPI DUP1 PUSH4 0x7AD28C51 EQ PUSH2 0x371 JUMPI DUP1 PUSH4 0x83250F79 EQ PUSH2 0x389 JUMPI DUP1 PUSH4 0x8B51D13F EQ PUSH2 0x3B7 JUMPI DUP1 PUSH4 0x9ACE38C2 EQ PUSH2 0x3CF JUMPI DUP1 PUSH4 0xA0E67E2B EQ PUSH2 0x4A4 JUMPI DUP1 PUSH4 0xA8ABE69A EQ PUSH2 0x509 JUMPI DUP1 PUSH4 0xB5DC40C3 EQ PUSH2 0x52E JUMPI DUP1 PUSH4 0xB77BF600 EQ PUSH2 0x546 JUMPI DUP1 PUSH4 0xBA51A6DF EQ PUSH2 0x55B JUMPI DUP1 PUSH4 0xC01A8C84 EQ PUSH2 0x573 JUMPI DUP1 PUSH4 0xC6427474 EQ PUSH2 0x58B JUMPI DUP1 PUSH4 0xD38F2D82 EQ PUSH2 0x601 JUMPI DUP1 PUSH4 0xD74F8EDD EQ PUSH2 0x619 JUMPI DUP1 PUSH4 0xDC8452CD EQ PUSH2 0x62E JUMPI DUP1 PUSH4 0xE20056E6 EQ PUSH2 0x643 JUMPI DUP1 PUSH4 0xEE22610B EQ PUSH2 0x677 JUMPI JUMPDEST PUSH1 0x0 CALLVALUE GT ISZERO PUSH2 0x19E JUMPI PUSH1 0x40 DUP1 MLOAD CALLVALUE DUP2 MSTORE SWAP1 MLOAD CALLER SWAP2 PUSH32 0xE1FFFCC4923D04B559F4D29A8BFC6CDA04EB5B0D3C460751C2402C5C5CC9109C SWAP2 SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 LOG2 JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1AC JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1B8 PUSH1 0x4 CALLDATALOAD PUSH2 0x68F JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1ED JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x6C4 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x21B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0x91B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x233 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x255 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x9F3 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x275 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x255 PUSH1 0x4 CALLDATALOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x24 CALLDATALOAD AND PUSH2 0xA08 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2A6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0xA28 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2BE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH2 0xEDA JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2E5 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH1 0x4 CALLDATALOAD ISZERO ISZERO PUSH1 0x24 CALLDATALOAD ISZERO ISZERO PUSH2 0xEE0 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x304 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD ISZERO ISZERO PUSH2 0xF4C JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x337 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x100B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x365 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x255 PUSH1 0x4 CALLDATALOAD PUSH2 0x1180 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x37D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0x1211 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x395 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x255 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x1258 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3C3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH1 0x4 CALLDATALOAD PUSH2 0x126D JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3DB JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x3E7 PUSH1 0x4 CALLDATALOAD PUSH2 0x12E9 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD DUP5 DUP2 MSTORE PUSH1 0x20 ADD DUP1 PUSH1 0x20 ADD DUP4 ISZERO ISZERO ISZERO ISZERO DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP2 SUB DUP3 MSTORE DUP5 DUP2 DUP2 MLOAD DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP DUP1 MLOAD SWAP1 PUSH1 0x20 ADD SWAP1 DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x466 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x44E JUMP JUMPDEST POP POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x493 JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP6 POP POP POP POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x4B0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x4B9 PUSH2 0x13D2 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 DUP2 ADD SWAP2 MUL DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x4F5 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x4DD JUMP JUMPDEST POP POP POP POP SWAP1 POP ADD SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x515 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x4B9 PUSH1 0x4 CALLDATALOAD PUSH1 0x24 CALLDATALOAD PUSH1 0x44 CALLDATALOAD ISZERO ISZERO PUSH1 0x64 CALLDATALOAD ISZERO ISZERO PUSH2 0x1442 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x53A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x4B9 PUSH1 0x4 CALLDATALOAD PUSH2 0x157B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x552 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH2 0x1728 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x567 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0x172E JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x57F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0x17AD JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x597 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x4 PUSH1 0x44 CALLDATALOAD DUP2 DUP2 ADD CALLDATALOAD PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP6 ADD DUP5 ADD SWAP1 SWAP6 MSTORE DUP5 DUP5 MSTORE PUSH2 0x2C7 SWAP5 DUP3 CALLDATALOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP5 PUSH1 0x24 DUP1 CALLDATALOAD SWAP6 CALLDATASIZE SWAP6 SWAP5 PUSH1 0x64 SWAP5 SWAP3 ADD SWAP2 SWAP1 DUP2 SWAP1 DUP5 ADD DUP4 DUP3 DUP1 DUP3 DUP5 CALLDATACOPY POP SWAP5 SWAP8 POP PUSH2 0x1921 SWAP7 POP POP POP POP POP POP POP JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x60D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH1 0x4 CALLDATALOAD PUSH2 0x1940 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x625 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH2 0x1952 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x63A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH2 0x1957 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x64F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0x195D JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x683 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0x1B6D JUMP JUMPDEST PUSH1 0x3 DUP1 SLOAD DUP3 SWAP1 DUP2 LT PUSH2 0x69D JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 POP DUP2 JUMP JUMPDEST PUSH1 0x0 CALLER ADDRESS EQ PUSH2 0x6D2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP3 SWAP1 PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x708 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE SWAP2 POP JUMPDEST PUSH1 0x3 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP3 LT ISZERO PUSH2 0x88B JUMPI DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x3 DUP4 DUP2 SLOAD DUP2 LT ISZERO ISZERO PUSH2 0x7A8 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO PUSH2 0x880 JUMPI PUSH1 0x3 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 ADD SWAP1 DUP2 LT PUSH2 0x800 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH1 0x3 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND SWAP2 DUP5 SWAP1 DUP2 LT PUSH2 0x833 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 ADD PUSH1 0x0 PUSH2 0x100 EXP DUP2 SLOAD DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF MUL NOT AND SWAP1 DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND MUL OR SWAP1 SSTORE POP PUSH2 0x88B JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH2 0x756 JUMP JUMPDEST PUSH1 0x3 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 PUSH2 0x8BC SWAP1 DUP3 PUSH2 0x2066 JUMP JUMPDEST POP PUSH1 0x3 SLOAD PUSH1 0x4 SLOAD GT ISZERO PUSH2 0x8D5 JUMPI PUSH1 0x3 SLOAD PUSH2 0x8D5 SWAP1 PUSH2 0x172E JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND SWAP1 PUSH32 0x8001553A916EF2F495D26A907CC54D96ED840D7BDA71E73194BF5A9DF7A76B90 SWAP1 PUSH1 0x0 SWAP1 LOG2 POP POP POP JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x939 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP1 DUP6 MSTORE SWAP3 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD DUP4 SWAP2 SWAP1 PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x965 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x3 ADD SLOAD DUP5 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0x986 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP6 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP1 DUP6 MSTORE SWAP3 MSTORE DUP1 DUP4 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE MLOAD DUP8 SWAP3 PUSH32 0xF6A317157440607F36269043EB55F1287A5A19BA2216AFEAB88CD46CBCFB88E9 SWAP2 LOG3 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x0 SWAP3 DUP4 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 SWAP1 SWAP2 MSTORE SWAP1 DUP3 MSTORE SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP2 KECCAK256 PUSH1 0x3 ADD SLOAD DUP3 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0xA49 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP3 PUSH2 0xA53 DUP2 PUSH2 0x1180 JUMP JUMPDEST ISZERO ISZERO PUSH2 0xAC0 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x54585F4E4F545F46554C4C595F434F4E4649524D454400000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP5 MSTORE PUSH1 0x8 SWAP1 SWAP3 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD DUP6 SWAP2 SWAP1 PUSH1 0xFF AND ISZERO ISZERO PUSH2 0xB65 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x18 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x554E524547495354455245445F41535345545F50524F58590000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x72656D6F7665417574686F72697A6564416464726573734174496E6465782861 DUP2 MSTORE PUSH32 0x6464726573732C75696E74323536290000000000000000000000000000000000 PUSH1 0x20 DUP1 DUP4 ADD SWAP2 SWAP1 SWAP2 MSTORE DUP3 MLOAD SWAP2 DUP3 SWAP1 SUB PUSH1 0x2F ADD DUP3 KECCAK256 PUSH1 0x2 DUP1 DUP7 ADD DUP1 SLOAD PUSH1 0x1F PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH2 0x100 PUSH1 0x1 DUP5 AND ISZERO MUL ADD SWAP1 SWAP2 AND SWAP3 SWAP1 SWAP3 DIV SWAP2 DUP3 ADD DUP5 SWAP1 DIV DUP5 MUL DUP6 ADD DUP5 ADD SWAP1 SWAP6 MSTORE DUP1 DUP5 MSTORE PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 SWAP1 SWAP2 AND SWAP4 PUSH2 0xCA1 SWAP4 PUSH1 0x0 SWAP4 SWAP1 SWAP3 SWAP1 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0xC8E JUMPI DUP1 PUSH1 0x1F LT PUSH2 0xC63 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0xC8E JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0xC71 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP PUSH2 0x1DFD SWAP1 SWAP2 SWAP1 PUSH4 0xFFFFFFFF AND JUMP JUMPDEST PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND EQ PUSH2 0xD2F JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x19 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x494E56414C49445F46554E4354494F4E5F53454C4543544F5200000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP7 DUP2 MSTORE PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 SWAP2 DUP3 SWAP1 KECCAK256 PUSH1 0x3 DUP2 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP2 SLOAD DUP2 DUP4 ADD SLOAD PUSH1 0x2 DUP1 DUP6 ADD DUP1 SLOAD DUP9 MLOAD PUSH1 0x1F PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP8 DUP4 AND ISZERO PUSH2 0x100 MUL SWAP8 SWAP1 SWAP8 ADD SWAP1 SWAP2 AND SWAP3 SWAP1 SWAP3 DIV SWAP5 DUP6 ADD DUP8 SWAP1 DIV DUP8 MUL DUP3 ADD DUP8 ADD SWAP1 SWAP8 MSTORE DUP4 DUP2 MSTORE SWAP4 SWAP11 POP PUSH2 0xE47 SWAP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND SWAP5 SWAP1 SWAP4 SWAP2 SWAP1 DUP4 SWAP1 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0xE3D JUMPI DUP1 PUSH1 0x1F LT PUSH2 0xE12 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0xE3D JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0xE20 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP PUSH2 0x1EC5 JUMP JUMPDEST ISZERO PUSH2 0xE7C JUMPI PUSH1 0x40 MLOAD DUP7 SWAP1 PUSH32 0x33E13ECB54C3076D8E8BB8C2881800A4D972B792045FFAE98FDF46DF365FED75 SWAP1 PUSH1 0x0 SWAP1 LOG2 PUSH2 0xED2 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP7 SWAP1 PUSH32 0x526441BB6C1ABA3C9A4A6CA1D6545DA9C2333C8C48343EF398EB858D72B79236 SWAP1 PUSH1 0x0 SWAP1 LOG2 PUSH1 0x3 DUP6 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE JUMPDEST POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x6 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x0 DUP1 JUMPDEST PUSH1 0x5 SLOAD DUP2 LT ISZERO PUSH2 0xF45 JUMPI DUP4 DUP1 ISZERO PUSH2 0xF0D JUMPI POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x3 ADD SLOAD PUSH1 0xFF AND ISZERO JUMPDEST DUP1 PUSH2 0xF31 JUMPI POP DUP3 DUP1 ISZERO PUSH2 0xF31 JUMPI POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x3 ADD SLOAD PUSH1 0xFF AND JUMPDEST ISZERO PUSH2 0xF3D JUMPI PUSH1 0x1 DUP3 ADD SWAP2 POP JUMPDEST PUSH1 0x1 ADD PUSH2 0xEE4 JUMP JUMPDEST POP SWAP3 SWAP2 POP POP JUMP JUMPDEST CALLER ADDRESS EQ PUSH2 0xF58 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO ISZERO PUSH2 0xF7B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x8 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP2 DUP3 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND DUP7 ISZERO ISZERO SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP3 MLOAD SWAP4 DUP5 MSTORE SWAP1 DUP4 ADD MSTORE DUP1 MLOAD PUSH32 0xDAEF8FF7DC66C5E34EB9C338AAB679D9F427F89868D9228494455A4D982EB2B0 SWAP3 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG1 POP POP POP JUMP JUMPDEST CALLER ADDRESS EQ PUSH2 0x1017 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP2 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0x104C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO ISZERO PUSH2 0x106F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x3 DUP1 SLOAD SWAP1 POP PUSH1 0x1 ADD PUSH1 0x4 SLOAD PUSH1 0x32 DUP3 GT ISZERO DUP1 ISZERO PUSH2 0x108C JUMPI POP DUP2 DUP2 GT ISZERO JUMPDEST DUP1 ISZERO PUSH2 0x1097 JUMPI POP DUP1 ISZERO ISZERO JUMPDEST DUP1 ISZERO PUSH2 0x10A2 JUMPI POP DUP2 ISZERO ISZERO JUMPDEST ISZERO ISZERO PUSH2 0x10AD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP6 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE PUSH1 0x3 DUP1 SLOAD SWAP2 DUP3 ADD DUP2 SSTORE DUP4 MSTORE PUSH32 0xC2575A0E9E593C00F959F8C92F12DB2869C3395A3B0502D05E2516446F71F85B ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND DUP5 OR SWAP1 SSTORE MLOAD PUSH32 0xF39E6E1EB0EDCF53C221607B54B00CD28F3196FED0A24994DC308B8F611B682D SWAP2 SWAP1 LOG2 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 JUMPDEST PUSH1 0x3 SLOAD DUP2 LT ISZERO PUSH2 0x120A JUMPI PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 PUSH1 0x3 DUP1 SLOAD SWAP2 SWAP3 SWAP2 DUP5 SWAP1 DUP2 LT PUSH2 0x11AE JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 KECCAK256 SWAP1 SWAP2 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP4 MSTORE DUP3 ADD SWAP3 SWAP1 SWAP3 MSTORE PUSH1 0x40 ADD SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x11EF JUMPI PUSH1 0x1 DUP3 ADD SWAP2 POP JUMPDEST PUSH1 0x4 SLOAD DUP3 EQ ISZERO PUSH2 0x1202 JUMPI PUSH1 0x1 SWAP3 POP PUSH2 0x120A JUMP JUMPDEST PUSH1 0x1 ADD PUSH2 0x1185 JUMP JUMPDEST POP POP SWAP2 SWAP1 POP JUMP JUMPDEST CALLER ADDRESS EQ PUSH2 0x121D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x6 DUP2 SWAP1 SSTORE PUSH1 0x40 DUP1 MLOAD DUP3 DUP2 MSTORE SWAP1 MLOAD PUSH32 0xD1C9101A34FEFF75CCCEF14A28785A0279CB0B49C1F321F21F5F422E746B4377 SWAP2 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 LOG1 POP JUMP JUMPDEST PUSH1 0x8 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x0 DUP1 JUMPDEST PUSH1 0x3 SLOAD DUP2 LT ISZERO PUSH2 0x12E3 JUMPI PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 PUSH1 0x3 DUP1 SLOAD SWAP2 SWAP3 SWAP2 DUP5 SWAP1 DUP2 LT PUSH2 0x129A JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 KECCAK256 SWAP1 SWAP2 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP4 MSTORE DUP3 ADD SWAP3 SWAP1 SWAP3 MSTORE PUSH1 0x40 ADD SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x12DB JUMPI PUSH1 0x1 DUP3 ADD SWAP2 POP JUMPDEST PUSH1 0x1 ADD PUSH2 0x1271 JUMP JUMPDEST POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP2 DUP2 MSTORE SWAP2 DUP2 MSTORE PUSH1 0x40 SWAP1 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH1 0x1 DUP1 DUP4 ADD SLOAD PUSH1 0x2 DUP1 DUP6 ADD DUP1 SLOAD DUP8 MLOAD PUSH2 0x100 SWAP6 DUP3 AND ISZERO SWAP6 SWAP1 SWAP6 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD AND SWAP2 SWAP1 SWAP2 DIV PUSH1 0x1F DUP2 ADD DUP9 SWAP1 DIV DUP9 MUL DUP5 ADD DUP9 ADD SWAP1 SWAP7 MSTORE DUP6 DUP4 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP4 AND SWAP6 SWAP1 SWAP5 SWAP2 SWAP3 SWAP2 SWAP1 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x13BF JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x1394 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x13BF JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x13A2 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP PUSH1 0x3 SWAP1 SWAP4 ADD SLOAD SWAP2 SWAP3 POP POP PUSH1 0xFF AND DUP5 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x3 DUP1 SLOAD DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP1 SLOAD DUP1 ISZERO PUSH2 0x1437 JUMPI PUSH1 0x20 MUL DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x140C JUMPI JUMPDEST POP POP POP POP POP SWAP1 POP JUMPDEST SWAP1 JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x0 DUP1 PUSH1 0x5 SLOAD PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x1474 JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP3 POP PUSH1 0x0 SWAP2 POP PUSH1 0x0 SWAP1 POP JUMPDEST PUSH1 0x5 SLOAD DUP2 LT ISZERO PUSH2 0x14FB JUMPI DUP6 DUP1 ISZERO PUSH2 0x14A9 JUMPI POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x3 ADD SLOAD PUSH1 0xFF AND ISZERO JUMPDEST DUP1 PUSH2 0x14CD JUMPI POP DUP5 DUP1 ISZERO PUSH2 0x14CD JUMPI POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x3 ADD SLOAD PUSH1 0xFF AND JUMPDEST ISZERO PUSH2 0x14F3 JUMPI DUP1 DUP4 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x14E1 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MSTORE PUSH1 0x1 SWAP2 SWAP1 SWAP2 ADD SWAP1 JUMPDEST PUSH1 0x1 ADD PUSH2 0x1480 JUMP JUMPDEST DUP8 DUP8 SUB PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x1527 JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP4 POP DUP8 SWAP1 POP JUMPDEST DUP7 DUP2 LT ISZERO PUSH2 0x1570 JUMPI DUP3 DUP2 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1544 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP5 DUP10 DUP4 SUB DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x155E JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MSTORE PUSH1 0x1 ADD PUSH2 0x152E JUMP JUMPDEST POP POP POP SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x0 DUP1 PUSH1 0x3 DUP1 SLOAD SWAP1 POP PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x15B0 JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP3 POP PUSH1 0x0 SWAP2 POP PUSH1 0x0 SWAP1 POP JUMPDEST PUSH1 0x3 SLOAD DUP2 LT ISZERO PUSH2 0x1694 JUMPI PUSH1 0x0 DUP6 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 PUSH1 0x3 DUP1 SLOAD SWAP2 SWAP3 SWAP2 DUP5 SWAP1 DUP2 LT PUSH2 0x15E5 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 KECCAK256 SWAP1 SWAP2 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP4 MSTORE DUP3 ADD SWAP3 SWAP1 SWAP3 MSTORE PUSH1 0x40 ADD SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x168C JUMPI PUSH1 0x3 DUP1 SLOAD DUP3 SWAP1 DUP2 LT PUSH2 0x162D JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD DUP4 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP2 AND SWAP1 DUP5 SWAP1 DUP5 SWAP1 DUP2 LT PUSH2 0x1660 JUMPI INVALID JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND PUSH1 0x20 SWAP3 DUP4 MUL SWAP1 SWAP2 ADD SWAP1 SWAP2 ADD MSTORE PUSH1 0x1 SWAP2 SWAP1 SWAP2 ADD SWAP1 JUMPDEST PUSH1 0x1 ADD PUSH2 0x15BC JUMP JUMPDEST DUP2 PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x16BE JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP4 POP PUSH1 0x0 SWAP1 POP JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x1720 JUMPI DUP3 DUP2 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x16DC JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP5 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x16F4 JUMPI INVALID JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND PUSH1 0x20 SWAP3 DUP4 MUL SWAP1 SWAP2 ADD SWAP1 SWAP2 ADD MSTORE PUSH1 0x1 ADD PUSH2 0x16C6 JUMP JUMPDEST POP POP POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x5 SLOAD DUP2 JUMP JUMPDEST CALLER ADDRESS EQ PUSH2 0x173A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x3 SLOAD DUP2 PUSH1 0x32 DUP3 GT DUP1 ISZERO SWAP1 PUSH2 0x174F JUMPI POP DUP2 DUP2 GT ISZERO JUMPDEST DUP1 ISZERO PUSH2 0x175A JUMPI POP DUP1 ISZERO ISZERO JUMPDEST DUP1 ISZERO PUSH2 0x1765 JUMPI POP DUP2 ISZERO ISZERO JUMPDEST ISZERO ISZERO PUSH2 0x1770 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x4 DUP4 SWAP1 SSTORE PUSH1 0x40 DUP1 MLOAD DUP5 DUP2 MSTORE SWAP1 MLOAD PUSH32 0xA3F1EE9126A074D9326C682F561767F710E927FAA811F7A99829D49DC421797A SWAP2 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 LOG1 POP POP POP JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x17CB JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP3 SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND ISZERO ISZERO PUSH2 0x17FD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP1 DUP6 MSTORE SWAP3 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD DUP5 SWAP2 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0x1828 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP5 PUSH2 0x1832 DUP2 PUSH2 0x1180 JUMP JUMPDEST ISZERO PUSH2 0x189E JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x12 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x54585F46554C4C595F434F4E4649524D45440000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP7 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 CALLER DUP1 DUP7 MSTORE SWAP3 MSTORE DUP1 DUP5 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SWAP4 OR SWAP1 SWAP3 SSTORE SWAP1 MLOAD DUP9 SWAP3 PUSH32 0x4A504A94899432A9846E1AA406DCEB1BCFD538BB839071D49D1E5E23F5BE30EF SWAP2 LOG3 PUSH2 0x1912 DUP7 PUSH2 0x1180 JUMP JUMPDEST ISZERO PUSH2 0xED2 JUMPI PUSH2 0xED2 DUP7 TIMESTAMP PUSH2 0x1EE8 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x192E DUP5 DUP5 DUP5 PUSH2 0x1F33 JUMP JUMPDEST SWAP1 POP PUSH2 0x1939 DUP2 PUSH2 0x17AD JUMP JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x7 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x32 DUP2 JUMP JUMPDEST PUSH1 0x4 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x0 CALLER ADDRESS EQ PUSH2 0x196B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP4 SWAP1 PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x19A1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP4 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0x19D6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 SWAP3 POP JUMPDEST PUSH1 0x3 SLOAD DUP4 LT ISZERO PUSH2 0x1A9B JUMPI DUP5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x3 DUP5 DUP2 SLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1A0B JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO PUSH2 0x1A90 JUMPI DUP4 PUSH1 0x3 DUP5 DUP2 SLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1A43 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 ADD PUSH1 0x0 PUSH2 0x100 EXP DUP2 SLOAD DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF MUL NOT AND SWAP1 DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND MUL OR SWAP1 SSTORE POP PUSH2 0x1A9B JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP3 ADD SWAP2 PUSH2 0x19DB JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP7 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 SWAP1 DUP2 AND SWAP1 SWAP2 SSTORE SWAP4 DUP9 AND DUP3 MSTORE DUP1 DUP3 KECCAK256 DUP1 SLOAD SWAP1 SWAP5 AND PUSH1 0x1 OR SWAP1 SWAP4 SSTORE SWAP2 MLOAD SWAP1 SWAP2 PUSH32 0x8001553A916EF2F495D26A907CC54D96ED840D7BDA71E73194BF5A9DF7A76B90 SWAP2 LOG2 PUSH1 0x40 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP6 AND SWAP1 PUSH32 0xF39E6E1EB0EDCF53C221607B54B00CD28F3196FED0A24994DC308B8F611B682D SWAP1 PUSH1 0x0 SWAP1 LOG2 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP2 KECCAK256 PUSH1 0x3 ADD SLOAD DUP3 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0x1B8E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP3 PUSH2 0x1B98 DUP2 PUSH2 0x1180 JUMP JUMPDEST ISZERO ISZERO PUSH2 0x1C05 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x54585F4E4F545F46554C4C595F434F4E4649524D454400000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x6 SLOAD PUSH1 0x0 DUP6 DUP2 MSTORE PUSH1 0x7 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP6 SWAP2 ADD TIMESTAMP LT ISZERO PUSH2 0x1C88 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x14 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x54494D455F4C4F434B5F494E434F4D504C455445000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP6 DUP2 MSTORE PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 SWAP2 DUP3 SWAP1 KECCAK256 PUSH1 0x3 DUP2 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP2 SLOAD DUP2 DUP4 ADD SLOAD PUSH1 0x2 DUP1 DUP6 ADD DUP1 SLOAD DUP9 MLOAD PUSH1 0x1F PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP8 DUP4 AND ISZERO PUSH2 0x100 MUL SWAP8 SWAP1 SWAP8 ADD SWAP1 SWAP2 AND SWAP3 SWAP1 SWAP3 DIV SWAP5 DUP6 ADD DUP8 SWAP1 DIV DUP8 MUL DUP3 ADD DUP8 ADD SWAP1 SWAP8 MSTORE DUP4 DUP2 MSTORE SWAP4 SWAP10 POP PUSH2 0x1D6B SWAP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND SWAP5 SWAP1 SWAP4 SWAP2 SWAP1 DUP4 SWAP1 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0xE3D JUMPI DUP1 PUSH1 0x1F LT PUSH2 0xE12 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0xE3D JUMP JUMPDEST ISZERO PUSH2 0x1DA0 JUMPI PUSH1 0x40 MLOAD DUP6 SWAP1 PUSH32 0x33E13ECB54C3076D8E8BB8C2881800A4D972B792045FFAE98FDF46DF365FED75 SWAP1 PUSH1 0x0 SWAP1 LOG2 PUSH2 0x1DF6 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP6 SWAP1 PUSH32 0x526441BB6C1ABA3C9A4A6CA1D6545DA9C2333C8C48343EF398EB858D72B79236 SWAP1 PUSH1 0x0 SWAP1 LOG2 PUSH1 0x3 DUP5 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE JUMPDEST POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x4 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x1E9A JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x25 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F345F4C454E4754485F524551 PUSH1 0x44 DUP3 ADD MSTORE PUSH32 0x5549524544000000000000000000000000000000000000000000000000000000 PUSH1 0x64 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x84 ADD SWAP1 REVERT JUMPDEST POP ADD PUSH1 0x20 ADD MLOAD PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 MLOAD PUSH1 0x20 DUP5 ADD PUSH1 0x0 DUP3 DUP8 DUP4 DUP11 DUP13 PUSH2 0x8796 GAS SUB CALL SWAP9 SWAP8 POP POP POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x7 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP2 DUP3 SWAP1 KECCAK256 DUP4 SWAP1 SSTORE DUP2 MLOAD DUP4 DUP2 MSTORE SWAP2 MLOAD DUP5 SWAP3 PUSH32 0xB237AFE65F1514FD7EA3F923EA4FE792BDD07000A912B6CD1602A8E7F573C8D SWAP3 SWAP1 DUP3 SWAP1 SUB ADD SWAP1 LOG2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO ISZERO PUSH2 0x1F58 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x5 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x80 DUP2 ADD DUP3 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP9 DUP2 AND DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 ADD DUP10 DUP2 MSTORE DUP4 DUP6 ADD DUP10 DUP2 MSTORE PUSH1 0x0 PUSH1 0x60 DUP7 ADD DUP2 SWAP1 MSTORE DUP8 DUP2 MSTORE DUP1 DUP5 MSTORE SWAP6 SWAP1 SWAP6 KECCAK256 DUP5 MLOAD DUP2 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND SWAP5 AND SWAP4 SWAP1 SWAP4 OR DUP4 SSTORE MLOAD PUSH1 0x1 DUP4 ADD SSTORE SWAP3 MLOAD DUP1 MLOAD SWAP5 SWAP7 POP SWAP2 SWAP4 SWAP1 SWAP3 PUSH2 0x1FF0 SWAP3 PUSH1 0x2 DUP6 ADD SWAP3 SWAP2 ADD SWAP1 PUSH2 0x208F JUMP JUMPDEST POP PUSH1 0x60 SWAP2 SWAP1 SWAP2 ADD MLOAD PUSH1 0x3 SWAP1 SWAP2 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP2 ISZERO ISZERO SWAP2 SWAP1 SWAP2 OR SWAP1 SSTORE PUSH1 0x5 DUP1 SLOAD PUSH1 0x1 ADD SWAP1 SSTORE PUSH1 0x40 MLOAD DUP3 SWAP1 PUSH32 0xC0BA8FE4B176C1714197D43B9CC6BCF797A4A7461C5FE8D0EF6E184AE7601E51 SWAP1 PUSH1 0x0 SWAP1 LOG2 POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST DUP2 SLOAD DUP2 DUP4 SSTORE DUP2 DUP2 GT ISZERO PUSH2 0x208A JUMPI PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x20 SWAP1 KECCAK256 PUSH2 0x208A SWAP2 DUP2 ADD SWAP1 DUP4 ADD PUSH2 0x210D JUMP JUMPDEST POP POP POP JUMP JUMPDEST DUP3 DUP1 SLOAD PUSH1 0x1 DUP2 PUSH1 0x1 AND ISZERO PUSH2 0x100 MUL SUB AND PUSH1 0x2 SWAP1 DIV SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 PUSH1 0x1F ADD PUSH1 0x20 SWAP1 DIV DUP2 ADD SWAP3 DUP3 PUSH1 0x1F LT PUSH2 0x20D0 JUMPI DUP1 MLOAD PUSH1 0xFF NOT AND DUP4 DUP1 ADD OR DUP6 SSTORE PUSH2 0x20FD JUMP JUMPDEST DUP3 DUP1 ADD PUSH1 0x1 ADD DUP6 SSTORE DUP3 ISZERO PUSH2 0x20FD JUMPI SWAP2 DUP3 ADD JUMPDEST DUP3 DUP2 GT ISZERO PUSH2 0x20FD JUMPI DUP3 MLOAD DUP3 SSTORE SWAP2 PUSH1 0x20 ADD SWAP2 SWAP1 PUSH1 0x1 ADD SWAP1 PUSH2 0x20E2 JUMP JUMPDEST POP PUSH2 0x2109 SWAP3 SWAP2 POP PUSH2 0x210D JUMP JUMPDEST POP SWAP1 JUMP JUMPDEST PUSH2 0x143F SWAP2 SWAP1 JUMPDEST DUP1 DUP3 GT ISZERO PUSH2 0x2109 JUMPI PUSH1 0x0 DUP2 SSTORE PUSH1 0x1 ADD PUSH2 0x2113 JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 MSTORE DUP14 0xb3 EXTCODESIZE CALLVALUE 0xdd RETURNDATASIZE DUP8 0xf9 0x27 PUSH6 0xDA5FAC3E1E5D SHL SWAP3 CODECOPY CALLDATALOAD 0x3f PUSH5 0x5405CA9BF 0xc9 0xce 0xe8 0xdb STOP 0x29 ", - "sourceMap": 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- } - } - }, - "sources": { - "2.0.0/extensions/Forwarder/Forwarder.sol": { - "id": 0 - }, - "2.0.0/extensions/Forwarder/MixinAssets.sol": { - "id": 1 - }, - "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": { - "id": 2 - }, - "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": { - "id": 3 - }, - "2.0.0/extensions/Forwarder/MixinWeth.sol": { - "id": 4 - }, - "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": { - "id": 5 - }, - "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": { - "id": 6 - }, - "2.0.0/extensions/Forwarder/libs/LibConstants.sol": { - "id": 7 - }, - "2.0.0/extensions/Forwarder/mixins/MAssets.sol": { - "id": 8 - }, - "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": { - "id": 9 - }, - "2.0.0/extensions/Forwarder/mixins/MWeth.sol": { - "id": 10 - }, - "2.0.0/extensions/OrderValidator/OrderValidator.sol": { - "id": 11 - }, - "2.0.0/multisig/MultiSigWallet.sol": { - "id": 12 - }, - "2.0.0/multisig/MultiSigWalletWithTimeLock.sol": { - "id": 13 - }, - "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": { - "id": 14 - }, - "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": { - "id": 15 - }, - "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": { - "id": 16 - }, - "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": { - "id": 17 - }, - "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": { - "id": 18 - }, - "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": { - "id": 19 - }, - "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": { - "id": 20 - }, - "2.0.0/protocol/Exchange/Exchange.sol": { - "id": 21 - }, - "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": { - "id": 22 - }, - "2.0.0/protocol/Exchange/MixinExchangeCore.sol": { - "id": 23 - }, - "2.0.0/protocol/Exchange/MixinMatchOrders.sol": { - "id": 24 - }, - "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": { - "id": 25 - }, - "2.0.0/protocol/Exchange/MixinTransactions.sol": { - "id": 26 - }, - "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": { - "id": 27 - }, - "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": { - "id": 28 - }, - "2.0.0/protocol/Exchange/interfaces/IExchange.sol": { - "id": 29 - }, - "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": { - "id": 30 - }, - "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": { - "id": 31 - }, - "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": { - "id": 32 - }, - "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": { - "id": 33 - }, - "2.0.0/protocol/Exchange/interfaces/IValidator.sol": { - "id": 34 - }, - "2.0.0/protocol/Exchange/interfaces/IWallet.sol": { - "id": 35 - }, - "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": { - "id": 36 - }, - "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": { - "id": 37 - }, - "2.0.0/protocol/Exchange/libs/LibConstants.sol": { - "id": 38 - }, - "2.0.0/protocol/Exchange/libs/LibEIP712.sol": { - "id": 39 - }, - "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": { - "id": 40 - }, - "2.0.0/protocol/Exchange/libs/LibFillResults.sol": { - "id": 41 - }, - "2.0.0/protocol/Exchange/libs/LibMath.sol": { - "id": 42 - }, - "2.0.0/protocol/Exchange/libs/LibOrder.sol": { - "id": 43 - }, - "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": { - "id": 44 - }, - "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": { - "id": 45 - }, - "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": { - "id": 46 - }, - "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": { - "id": 47 - }, - "2.0.0/protocol/Exchange/mixins/MTransactions.sol": { - "id": 48 - }, - "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": { - "id": 49 - }, - "2.0.0/tokens/ERC20Token/IERC20Token.sol": { - "id": 50 - }, - "2.0.0/tokens/ERC721Token/IERC721Token.sol": { - "id": 51 - }, - "2.0.0/tokens/EtherToken/IEtherToken.sol": { - "id": 52 - }, - "2.0.0/utils/LibBytes/LibBytes.sol": { - "id": 53 - }, - "2.0.0/utils/Ownable/IOwnable.sol": { - "id": 54 - }, - "2.0.0/utils/Ownable/Ownable.sol": { - "id": 55 - }, - "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": { - "id": 56 - }, - "2.0.0/utils/SafeMath/SafeMath.sol": { - "id": 57 - } - }, - "sourceCodes": { - "2.0.0/extensions/Forwarder/Forwarder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinWeth.sol\";\nimport \"./MixinForwarderCore.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinAssets.sol\";\nimport \"./MixinExchangeWrapper.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Forwarder is\n LibConstants,\n MixinWeth,\n MixinAssets,\n MixinExchangeWrapper,\n MixinForwarderCore\n{\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n LibConstants(\n _exchange,\n _zrxAssetData,\n _wethAssetData\n )\n MixinForwarderCore()\n {}\n}\n", - "2.0.0/extensions/Forwarder/MixinAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MAssets.sol\";\n\n\ncontract MixinAssets is\n Ownable,\n LibConstants,\n MAssets\n{\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256(\"transfer(address,uint256)\"));\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external\n onlyOwner\n {\n transferAssetToSender(assetData, amount);\n }\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n bytes4 proxyId = assetData.readBytes4(0);\n\n if (proxyId == ERC20_DATA_ID) {\n transferERC20Token(assetData, amount);\n } else if (proxyId == ERC721_DATA_ID) {\n transferERC721Token(assetData, amount);\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n }\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n address token = assetData.readAddress(16);\n\n // Transfer tokens.\n // We do a raw call so we can check the success separate\n // from the return data.\n bool success = token.call(abi.encodeWithSelector(\n ERC20_TRANSFER_SELECTOR,\n msg.sender,\n amount\n ));\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n \n // Check return data.\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // value that evaluates to true.\n assembly {\n if returndatasize {\n success := 0\n if eq(returndatasize, 32) {\n // First 64 bytes of memory are reserved scratch space\n returndatacopy(0, 0, 32)\n success := mload(0)\n }\n }\n }\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n }\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n require(\n amount == 1,\n \"INVALID_AMOUNT\"\n );\n // Decode asset data.\n address token = assetData.readAddress(16);\n uint256 tokenId = assetData.readUint256(36);\n\n // Perform transfer.\n IERC721Token(token).transferFrom(\n address(this),\n msg.sender,\n tokenId\n );\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"../../protocol/Exchange/libs/LibAbiEncoder.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinExchangeWrapper is\n LibAbiEncoder,\n LibFillResults,\n LibMath,\n LibConstants,\n MExchangeWrapper\n{\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n address exchange = address(EXCHANGE);\n\n // Call `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := call(\n gas, // forward all gas\n exchange, // call address of Exchange contract\n 0, // transfer 0 wei\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of WETH to sell\n uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of WETH\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount;\n if (makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n\n require(\n makerAssetFilledAmount >= makerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n // Do nothing if zrxBuyAmount == 0\n if (zrxBuyAmount == 0) {\n return totalFillResults;\n }\n\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n uint256 zrxPurchased = 0;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // All of these are ZRX/WETH, so we can drop the respective assetData from calldata.\n orders[i].makerAssetData = zrxAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of ZRX to buy.\n uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased);\n\n // Convert the remaining amount of ZRX to buy into remaining amount\n // of WETH to sell, assuming entire amount can be sold in the current order.\n uint256 remainingWethSellAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees \n remainingZrxBuyAmount\n );\n\n // Attempt to sell the remaining amount of WETH.\n FillResults memory singleFillResult = fillOrderNoThrow(\n orders[i],\n safeAdd(remainingWethSellAmount, 1), // we add 1 wei to the fill amount to make up for rounding errors\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker.\n addFillResults(totalFillResults, singleFillResult);\n zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid);\n\n // Stop execution if the entire amount of ZRX has been bought.\n if (zrxPurchased >= zrxBuyAmount) {\n break;\n }\n }\n\n require(\n zrxPurchased >= zrxBuyAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\nimport \"./mixins/MAssets.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"./interfaces/IForwarderCore.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinForwarderCore is\n LibFillResults,\n LibMath,\n LibConstants,\n MWeth,\n MAssets,\n MExchangeWrapper,\n IForwarderCore\n{\n using LibBytes for bytes;\n\n /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf.\n constructor ()\n public\n {\n address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID);\n require(\n proxyAddress != address(0),\n \"UNREGISTERED_ASSET_PROXY\"\n );\n ETHER_TOKEN.approve(proxyAddress, MAX_UINT);\n ZRX_TOKEN.approve(proxyAddress, MAX_UINT);\n }\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 wethSellAmount;\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // Calculate amount of WETH that won't be spent on ETH fees.\n wethSellAmount = getPartialAmountFloor(\n PERCENTAGE_DENOMINATOR,\n safeAdd(PERCENTAGE_DENOMINATOR, feePercentage),\n msg.value\n );\n // Market sell available WETH.\n // ZRX fees are paid with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // 5% of WETH is reserved for filling feeOrders and paying feeRecipient.\n wethSellAmount = getPartialAmountFloor(\n MAX_WETH_FILL_PERCENTAGE,\n PERCENTAGE_DENOMINATOR,\n msg.value\n );\n // Market sell 95% of WETH.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // If the makerAsset is ZRX, it is not necessary to pay fees out of this\n // contracts's ZRX balance because fees are factored into the price of the order.\n orderFillResults = marketBuyExactZrxWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // Attemp to purchase desired amount of makerAsset.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketBuyExactAmountWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\n\n\ncontract MixinWeth is\n LibMath,\n LibConstants,\n MWeth\n{\n /// @dev Default payabale function, this allows us to withdraw WETH\n function ()\n public\n payable\n {\n require(\n msg.sender == address(ETHER_TOKEN),\n \"DEFAULT_FUNCTION_WETH_CONTRACT_ONLY\"\n );\n }\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal\n {\n require(\n msg.value > 0,\n \"INVALID_MSG_VALUE\"\n );\n ETHER_TOKEN.deposit.value(msg.value)();\n }\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal\n {\n // Ensure feePercentage is less than 5%.\n require(\n feePercentage <= MAX_FEE_PERCENTAGE,\n \"FEE_PERCENTAGE_TOO_LARGE\"\n );\n\n // Ensure that no extra WETH owned by this contract has been sold.\n uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx);\n require(\n wethSold <= msg.value,\n \"OVERSOLD_WETH\"\n );\n\n // Calculate amount of WETH that hasn't been sold.\n uint256 wethRemaining = safeSub(msg.value, wethSold);\n\n // Calculate ETH fee to pay to feeRecipient.\n uint256 ethFee = getPartialAmountFloor(\n feePercentage,\n PERCENTAGE_DENOMINATOR,\n wethSoldExcludingFeeOrders\n );\n\n // Ensure fee is less than amount of WETH remaining.\n require(\n ethFee <= wethRemaining,\n \"INSUFFICIENT_ETH_REMAINING\"\n );\n \n // Do nothing if no WETH remaining\n if (wethRemaining > 0) {\n // Convert remaining WETH to ETH\n ETHER_TOKEN.withdraw(wethRemaining);\n\n // Pay ETH to feeRecipient\n if (ethFee > 0) {\n feeRecipient.transfer(ethFee);\n }\n\n // Refund remaining ETH to msg.sender.\n uint256 ethRefund = safeSub(wethRemaining, ethFee);\n if (ethRefund > 0) {\n msg.sender.transfer(ethRefund);\n }\n }\n }\n}\n", - "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssets {\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external;\n}\n", - "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract IForwarderCore {\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n}\n", - "2.0.0/extensions/Forwarder/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/LibBytes/LibBytes.sol\";\nimport \"../../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../../tokens/EtherToken/IEtherToken.sol\";\nimport \"../../../tokens/ERC20Token/IERC20Token.sol\";\n\n\ncontract LibConstants {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n uint256 constant internal MAX_UINT = 2**256 - 1;\n uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; \n uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5%\n uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95%\n \n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n IEtherToken internal ETHER_TOKEN;\n IERC20Token internal ZRX_TOKEN;\n bytes internal ZRX_ASSET_DATA;\n bytes internal WETH_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n WETH_ASSET_DATA = _wethAssetData;\n\n address etherToken = _wethAssetData.readAddress(16);\n address zrxToken = _zrxAssetData.readAddress(16);\n ETHER_TOKEN = IEtherToken(etherToken);\n ZRX_TOKEN = IERC20Token(zrxToken);\n }\n}\n", - "2.0.0/extensions/Forwarder/mixins/MAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssets.sol\";\n\n\ncontract MAssets is\n IAssets\n{\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n}\n", - "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract MExchangeWrapper {\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n}\n", - "2.0.0/extensions/Forwarder/mixins/MWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract MWeth {\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal;\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal;\n}\n", - "2.0.0/extensions/OrderValidator/OrderValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract OrderValidator {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n struct TraderInfo {\n uint256 makerBalance; // Maker's balance of makerAsset\n uint256 makerAllowance; // Maker's allowance to corresponding AssetProxy\n uint256 takerBalance; // Taker's balance of takerAsset\n uint256 takerAllowance; // Taker's allowance to corresponding AssetProxy\n uint256 makerZrxBalance; // Maker's balance of ZRX\n uint256 makerZrxAllowance; // Maker's allowance of ZRX to ERC20Proxy\n uint256 takerZrxBalance; // Taker's balance of ZRX\n uint256 takerZrxAllowance; // Taker's allowance of ZRX to ERC20Proxy\n }\n\n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n bytes internal ZRX_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (address _exchange, bytes memory _zrxAssetData)\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n }\n\n /// @dev Fetches information for order and maker/taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return OrderInfo and TraderInfo instances for given order.\n function getOrderAndTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo, TraderInfo memory traderInfo)\n {\n orderInfo = EXCHANGE.getOrderInfo(order);\n traderInfo = getTraderInfo(order, takerAddress);\n return (orderInfo, traderInfo);\n }\n\n /// @dev Fetches information for all passed in orders and the makers/takers of each order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Arrays of OrderInfo and TraderInfo instances that correspond to each order.\n function getOrdersAndTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (LibOrder.OrderInfo[] memory ordersInfo, TraderInfo[] memory tradersInfo)\n {\n ordersInfo = EXCHANGE.getOrdersInfo(orders);\n tradersInfo = getTradersInfo(orders, takerAddresses);\n return (ordersInfo, tradersInfo);\n }\n\n /// @dev Fetches balance and allowances for maker and taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return Balances and allowances of maker and taker of order.\n function getTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (TraderInfo memory traderInfo)\n {\n (traderInfo.makerBalance, traderInfo.makerAllowance) = getBalanceAndAllowance(order.makerAddress, order.makerAssetData);\n (traderInfo.takerBalance, traderInfo.takerAllowance) = getBalanceAndAllowance(takerAddress, order.takerAssetData);\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n (traderInfo.makerZrxBalance, traderInfo.makerZrxAllowance) = getBalanceAndAllowance(order.makerAddress, zrxAssetData);\n (traderInfo.takerZrxBalance, traderInfo.takerZrxAllowance) = getBalanceAndAllowance(takerAddress, zrxAssetData);\n return traderInfo;\n }\n\n /// @dev Fetches balances and allowances of maker and taker for each provided order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Array of balances and allowances for maker and taker of each order.\n function getTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (TraderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n TraderInfo[] memory tradersInfo = new TraderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n tradersInfo[i] = getTraderInfo(orders[i], takerAddresses[i]);\n }\n return tradersInfo;\n }\n\n /// @dev Fetches token balances and allowances of an address to given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Encoded data that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balance of asset and allowance set to given proxy of asset.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalanceAndAllowance(address target, bytes memory assetData)\n public\n view\n returns (uint256 balance, uint256 allowance)\n {\n bytes4 assetProxyId = assetData.readBytes4(0);\n address token = assetData.readAddress(16);\n address assetProxy = EXCHANGE.getAssetProxy(assetProxyId);\n\n if (assetProxyId == ERC20_DATA_ID) {\n // Query balance\n balance = IERC20Token(token).balanceOf(target);\n\n // Query allowance\n allowance = IERC20Token(token).allowance(target, assetProxy);\n } else if (assetProxyId == ERC721_DATA_ID) {\n uint256 tokenId = assetData.readUint256(36);\n\n // Query owner of tokenId\n address owner = getERC721TokenOwner(token, tokenId);\n\n // Set balance to 1 if tokenId is owned by target\n balance = target == owner ? 1 : 0;\n\n // Check if ERC721Proxy is approved to spend tokenId\n bool isApproved = IERC721Token(token).isApprovedForAll(target, assetProxy) || IERC721Token(token).getApproved(tokenId) == assetProxy;\n \n // Set alowance to 1 if ERC721Proxy is approved to spend tokenId\n allowance = isApproved ? 1 : 0;\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n return (balance, allowance);\n }\n\n /// @dev Fetches token balances and allowances of an address for each given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Array of encoded byte arrays that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balances and allowances of assets.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalancesAndAllowances(address target, bytes[] memory assetData)\n public\n view\n returns (uint256[] memory, uint256[] memory)\n {\n uint256 length = assetData.length;\n uint256[] memory balances = new uint256[](length);\n uint256[] memory allowances = new uint256[](length);\n for (uint256 i = 0; i != length; i++) {\n (balances[i], allowances[i]) = getBalanceAndAllowance(target, assetData[i]);\n }\n return (balances, allowances);\n }\n\n /// @dev Calls `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token.\n /// @param token Address of ERC721 token.\n /// @param tokenId The identifier for the specific NFT.\n /// @return Owner of tokenId or null address if unowned.\n function getERC721TokenOwner(address token, uint256 tokenId)\n public\n view\n returns (address owner)\n {\n assembly {\n // load free memory pointer\n let cdStart := mload(64)\n\n // bytes4(keccak256(ownerOf(uint256))) = 0x6352211e\n mstore(cdStart, 0x6352211e00000000000000000000000000000000000000000000000000000000)\n mstore(add(cdStart, 4), tokenId)\n\n // staticcall `ownerOf(tokenId)`\n // `ownerOf` will revert if tokenId is not owned\n let success := staticcall(\n gas, // forward all gas\n token, // call token contract\n cdStart, // start of calldata\n 36, // length of input is 36 bytes\n cdStart, // write output over input\n 32 // size of output is 32 bytes\n )\n\n // Success implies that tokenId is owned\n // Copy owner from return data if successful\n if success {\n owner := mload(cdStart)\n } \n }\n\n // Owner initialized to address(0), no need to modify if call is unsuccessful\n return owner;\n }\n}\n", - "2.0.0/multisig/MultiSigWallet.sol": "// solhint-disable\npragma solidity ^0.4.15;\n\n\n/// @title Multisignature wallet - Allows multiple parties to agree on transactions before execution.\n/// @author Stefan George - \ncontract MultiSigWallet {\n\n /*\n * Events\n */\n event Confirmation(address indexed sender, uint indexed transactionId);\n event Revocation(address indexed sender, uint indexed transactionId);\n event Submission(uint indexed transactionId);\n event Execution(uint indexed transactionId);\n event ExecutionFailure(uint indexed transactionId);\n event Deposit(address indexed sender, uint value);\n event OwnerAddition(address indexed owner);\n event OwnerRemoval(address indexed owner);\n event RequirementChange(uint required);\n\n /*\n * Constants\n */\n uint constant public MAX_OWNER_COUNT = 50;\n\n /*\n * Storage\n */\n mapping (uint => Transaction) public transactions;\n mapping (uint => mapping (address => bool)) public confirmations;\n mapping (address => bool) public isOwner;\n address[] public owners;\n uint public required;\n uint public transactionCount;\n\n struct Transaction {\n address destination;\n uint value;\n bytes data;\n bool executed;\n }\n\n /*\n * Modifiers\n */\n modifier onlyWallet() {\n require(msg.sender == address(this));\n _;\n }\n\n modifier ownerDoesNotExist(address owner) {\n require(!isOwner[owner]);\n _;\n }\n\n modifier ownerExists(address owner) {\n require(isOwner[owner]);\n _;\n }\n\n modifier transactionExists(uint transactionId) {\n require(transactions[transactionId].destination != 0);\n _;\n }\n\n modifier confirmed(uint transactionId, address owner) {\n require(confirmations[transactionId][owner]);\n _;\n }\n\n modifier notConfirmed(uint transactionId, address owner) {\n require(!confirmations[transactionId][owner]);\n _;\n }\n\n modifier notExecuted(uint transactionId) {\n require(!transactions[transactionId].executed);\n _;\n }\n\n modifier notNull(address _address) {\n require(_address != 0);\n _;\n }\n\n modifier validRequirement(uint ownerCount, uint _required) {\n require(ownerCount <= MAX_OWNER_COUNT\n && _required <= ownerCount\n && _required != 0\n && ownerCount != 0);\n _;\n }\n\n /// @dev Fallback function allows to deposit ether.\n function()\n payable\n {\n if (msg.value > 0)\n Deposit(msg.sender, msg.value);\n }\n\n /*\n * Public functions\n */\n /// @dev Contract constructor sets initial owners and required number of confirmations.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n function MultiSigWallet(address[] _owners, uint _required)\n public\n validRequirement(_owners.length, _required)\n {\n for (uint i=0; i<_owners.length; i++) {\n require(!isOwner[_owners[i]] && _owners[i] != 0);\n isOwner[_owners[i]] = true;\n }\n owners = _owners;\n required = _required;\n }\n\n /// @dev Allows to add a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of new owner.\n function addOwner(address owner)\n public\n onlyWallet\n ownerDoesNotExist(owner)\n notNull(owner)\n validRequirement(owners.length + 1, required)\n {\n isOwner[owner] = true;\n owners.push(owner);\n OwnerAddition(owner);\n }\n\n /// @dev Allows to remove an owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner.\n function removeOwner(address owner)\n public\n onlyWallet\n ownerExists(owner)\n {\n isOwner[owner] = false;\n for (uint i=0; i owners.length)\n changeRequirement(owners.length);\n OwnerRemoval(owner);\n }\n\n /// @dev Allows to replace an owner with a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner to be replaced.\n /// @param newOwner Address of new owner.\n function replaceOwner(address owner, address newOwner)\n public\n onlyWallet\n ownerExists(owner)\n ownerDoesNotExist(newOwner)\n {\n for (uint i=0; i\n// solhint-disable not-rely-on-time\ncontract MultiSigWalletWithTimeLock is\n MultiSigWallet\n{\n event ConfirmationTimeSet(uint256 indexed transactionId, uint256 confirmationTime);\n event TimeLockChange(uint256 secondsTimeLocked);\n\n uint256 public secondsTimeLocked;\n\n mapping (uint256 => uint256) public confirmationTimes;\n\n modifier notFullyConfirmed(uint256 transactionId) {\n require(\n !isConfirmed(transactionId),\n \"TX_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier fullyConfirmed(uint256 transactionId) {\n require(\n isConfirmed(transactionId),\n \"TX_NOT_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier pastTimeLock(uint256 transactionId) {\n require(\n block.timestamp >= confirmationTimes[transactionId] + secondsTimeLocked,\n \"TIME_LOCK_INCOMPLETE\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations, and time lock.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] _owners,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWallet(_owners, _required)\n {\n secondsTimeLocked = _secondsTimeLocked;\n }\n\n /// @dev Changes the duration of the time lock for transactions.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n function changeTimeLock(uint256 _secondsTimeLocked)\n public\n onlyWallet\n {\n secondsTimeLocked = _secondsTimeLocked;\n emit TimeLockChange(_secondsTimeLocked);\n }\n\n /// @dev Allows an owner to confirm a transaction.\n /// @param transactionId Transaction ID.\n function confirmTransaction(uint256 transactionId)\n public\n ownerExists(msg.sender)\n transactionExists(transactionId)\n notConfirmed(transactionId, msg.sender)\n notFullyConfirmed(transactionId)\n {\n confirmations[transactionId][msg.sender] = true;\n emit Confirmation(msg.sender, transactionId);\n if (isConfirmed(transactionId)) {\n setConfirmationTime(transactionId, block.timestamp);\n }\n }\n\n /// @dev Allows anyone to execute a confirmed transaction.\n /// @param transactionId Transaction ID.\n function executeTransaction(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n pastTimeLock(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n\n /// @dev Sets the time of when a submission first passed.\n function setConfirmationTime(uint256 transactionId, uint256 confirmationTime)\n internal\n {\n confirmationTimes[transactionId] = confirmationTime;\n emit ConfirmationTimeSet(transactionId, confirmationTime);\n }\n}\n", - "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC20Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n \n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 1 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n\n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. amount |\n\n /////// Read token address from calldata ///////\n // * The token address is stored in `assetData`.\n //\n // * The \"offset to assetData\" is stored at offset 4 in the calldata (table 1).\n // [assetDataOffsetFromParams = calldataload(4)]\n //\n // * Notes that the \"offset to assetData\" is relative to the \"Params\" area of calldata;\n // add 4 bytes to account for the length of the \"Header\" area (table 1).\n // [assetDataOffsetFromHeader = assetDataOffsetFromParams + 4]\n //\n // * The \"token address\" is offset 32+4=36 bytes into \"assetData\" (tables 1 & 2).\n // [tokenOffset = assetDataOffsetFromHeader + 36 = calldataload(4) + 4 + 36]\n let token := calldataload(add(calldataload(4), 40))\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from`, `to` and `amount` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 96)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output over input\n 32 // output size should be 32 bytes\n )\n\n /////// Check return data. ///////\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // nonzero 32 bytes value.\n // So the transfer succeeded if the call succeeded and either\n // returned nothing, or returned a non-zero 32 byte value. \n success := and(success, or(\n iszero(returndatasize),\n and(\n eq(returndatasize, 32),\n gt(mload(0), 0)\n )\n ))\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", - "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC721Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 2 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n // | | 36 | | 2. tokenId |\n \n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. tokenId |\n\n // There exists only 1 of each token.\n // require(amount == 1, \"INVALID_AMOUNT\")\n if sub(calldataload(100), 1) {\n // Revert with `Error(\"INVALID_AMOUNT\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from` and `to` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 64)\n\n // Copy `tokenId` field from our own calldata to the new calldata.\n let assetDataOffset := calldataload(4)\n calldatacopy(68, add(assetDataOffset, 72), 32)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let token := calldataload(add(assetDataOffset, 40))\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output to null\n 0 // output size is 0 bytes\n )\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", - "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAuthorizable.sol\";\n\n\ncontract MixinAuthorizable is\n Ownable,\n MAuthorizable\n{\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized {\n require(\n authorized[msg.sender],\n \"SENDER_NOT_AUTHORIZED\"\n );\n _;\n }\n\n mapping (address => bool) public authorized;\n address[] public authorities;\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n !authorized[target],\n \"TARGET_ALREADY_AUTHORIZED\"\n );\n\n authorized[target] = true;\n authorities.push(target);\n emit AuthorizedAddressAdded(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n\n delete authorized[target];\n for (uint256 i = 0; i < authorities.length; i++) {\n if (authorities[i] == target) {\n authorities[i] = authorities[authorities.length - 1];\n authorities.length -= 1;\n break;\n }\n }\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n require(\n index < authorities.length,\n \"INDEX_OUT_OF_BOUNDS\"\n );\n require(\n authorities[index] == target,\n \"AUTHORIZED_ADDRESS_MISMATCH\"\n );\n\n delete authorized[target];\n authorities[index] = authorities[authorities.length - 1];\n authorities.length -= 1;\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory)\n {\n return authorities;\n }\n}\n", - "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IAuthorizable.sol\";\n\n\ncontract IAssetProxy is\n IAuthorizable\n{\n /// @dev Transfers assets. Either succeeds or throws.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n function transferFrom(\n bytes assetData,\n address from,\n address to,\n uint256 amount\n )\n external;\n \n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4);\n}\n", - "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/Ownable/IOwnable.sol\";\n\n\ncontract IAuthorizable is\n IOwnable\n{\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external;\n \n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory);\n}\n", - "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAuthorizable.sol\";\n\n\ncontract MAuthorizable is\n IAuthorizable\n{\n // Event logged when a new address is authorized.\n event AuthorizedAddressAdded(\n address indexed target,\n address indexed caller\n );\n\n // Event logged when a currently authorized address is unauthorized.\n event AuthorizedAddressRemoved(\n address indexed target,\n address indexed caller\n );\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized { revert(); _; }\n}\n", - "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../multisig/MultiSigWalletWithTimeLock.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract AssetProxyOwner is\n MultiSigWalletWithTimeLock\n{\n using LibBytes for bytes;\n\n event AssetProxyRegistration(address assetProxyContract, bool isRegistered);\n\n // Mapping of AssetProxy contract address =>\n // if this contract is allowed to call the AssetProxy's `removeAuthorizedAddressAtIndex` method without a time lock.\n mapping (address => bool) public isAssetProxyRegistered;\n\n bytes4 constant internal REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR = bytes4(keccak256(\"removeAuthorizedAddressAtIndex(address,uint256)\"));\n\n /// @dev Function will revert if the transaction does not call `removeAuthorizedAddressAtIndex`\n /// on an approved AssetProxy contract.\n modifier validRemoveAuthorizedAddressAtIndexTx(uint256 transactionId) {\n Transaction storage txn = transactions[transactionId];\n require(\n isAssetProxyRegistered[txn.destination],\n \"UNREGISTERED_ASSET_PROXY\"\n );\n require(\n txn.data.readBytes4(0) == REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR,\n \"INVALID_FUNCTION_SELECTOR\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations,\n /// time lock, and list of AssetProxy addresses.\n /// @param _owners List of initial owners.\n /// @param _assetProxyContracts Array of AssetProxy contract addresses.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] memory _owners,\n address[] memory _assetProxyContracts,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWalletWithTimeLock(_owners, _required, _secondsTimeLocked)\n {\n for (uint256 i = 0; i < _assetProxyContracts.length; i++) {\n address assetProxy = _assetProxyContracts[i];\n require(\n assetProxy != address(0),\n \"INVALID_ASSET_PROXY\"\n );\n isAssetProxyRegistered[assetProxy] = true;\n }\n }\n\n /// @dev Registers or deregisters an AssetProxy to be able to execute\n /// `removeAuthorizedAddressAtIndex` without a timelock.\n /// @param assetProxyContract Address of AssetProxy contract.\n /// @param isRegistered Status of approval for AssetProxy contract.\n function registerAssetProxy(address assetProxyContract, bool isRegistered)\n public\n onlyWallet\n notNull(assetProxyContract)\n {\n isAssetProxyRegistered[assetProxyContract] = isRegistered;\n emit AssetProxyRegistration(assetProxyContract, isRegistered);\n }\n\n /// @dev Allows execution of `removeAuthorizedAddressAtIndex` without time lock.\n /// @param transactionId Transaction ID.\n function executeRemoveAuthorizedAddressAtIndex(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n validRemoveAuthorizedAddressAtIndexTx(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n}\n", - "2.0.0/protocol/Exchange/Exchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinExchangeCore.sol\";\nimport \"./MixinSignatureValidator.sol\";\nimport \"./MixinWrapperFunctions.sol\";\nimport \"./MixinAssetProxyDispatcher.sol\";\nimport \"./MixinTransactions.sol\";\nimport \"./MixinMatchOrders.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Exchange is\n MixinExchangeCore,\n MixinMatchOrders,\n MixinSignatureValidator,\n MixinTransactions,\n MixinAssetProxyDispatcher,\n MixinWrapperFunctions\n{\n string constant public VERSION = \"2.0.0\";\n\n // Mixins are instantiated in the order they are inherited\n constructor ()\n public\n MixinExchangeCore()\n MixinMatchOrders()\n MixinSignatureValidator()\n MixinTransactions()\n MixinAssetProxyDispatcher()\n MixinWrapperFunctions()\n {}\n}\n", - "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\nimport \"../AssetProxy/interfaces/IAssetProxy.sol\";\n\n\ncontract MixinAssetProxyDispatcher is\n Ownable,\n MAssetProxyDispatcher\n{\n // Mapping from Asset Proxy Id's to their respective Asset Proxy\n mapping (bytes4 => IAssetProxy) public assetProxies;\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external\n onlyOwner\n {\n IAssetProxy assetProxyContract = IAssetProxy(assetProxy);\n\n // Ensure that no asset proxy exists with current id.\n bytes4 assetProxyId = assetProxyContract.getProxyId();\n address currentAssetProxy = assetProxies[assetProxyId];\n require(\n currentAssetProxy == address(0),\n \"ASSET_PROXY_ALREADY_EXISTS\"\n );\n\n // Add asset proxy and log registration.\n assetProxies[assetProxyId] = assetProxyContract;\n emit AssetProxyRegistered(\n assetProxyId,\n assetProxy\n );\n }\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address)\n {\n return assetProxies[assetProxyId];\n }\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal\n {\n // Do nothing if no amount should be transferred.\n if (amount > 0 && from != to) {\n // Ensure assetData length is valid\n require(\n assetData.length > 3,\n \"LENGTH_GREATER_THAN_3_REQUIRED\"\n );\n \n // Lookup assetProxy. We do not use `LibBytes.readBytes4` for gas efficiency reasons.\n bytes4 assetProxyId;\n assembly {\n assetProxyId := and(mload(\n add(assetData, 32)),\n 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000\n )\n }\n address assetProxy = assetProxies[assetProxyId];\n\n // Ensure that assetProxy exists\n require(\n assetProxy != address(0),\n \"ASSET_PROXY_DOES_NOT_EXIST\"\n );\n \n // We construct calldata for the `assetProxy.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n\n assembly {\n /////// Setup State ///////\n // `cdStart` is the start of the calldata for `assetProxy.transferFrom` (equal to free memory ptr).\n let cdStart := mload(64)\n // `dataAreaLength` is the total number of words needed to store `assetData`\n // As-per the ABI spec, this value is padded up to the nearest multiple of 32,\n // and includes 32-bytes for length.\n let dataAreaLength := and(add(mload(assetData), 63), 0xFFFFFFFFFFFE0)\n // `cdEnd` is the end of the calldata for `assetProxy.transferFrom`.\n let cdEnd := add(cdStart, add(132, dataAreaLength))\n\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFromSelector`.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes.\n // Notes:\n // 1. The offset to `assetData` is the length of the Params Area (128 bytes).\n // 2. A 20-byte mask is applied to addresses to zero-out the unused bytes.\n mstore(add(cdStart, 4), 128)\n mstore(add(cdStart, 36), and(from, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 68), and(to, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 100), amount)\n \n /////// Setup Data Area ///////\n // This area holds `assetData`.\n let dataArea := add(cdStart, 132)\n // solhint-disable-next-line no-empty-blocks\n for {} lt(dataArea, cdEnd) {} {\n mstore(dataArea, mload(assetData))\n dataArea := add(dataArea, 32)\n assetData := add(assetData, 32)\n }\n\n /////// Call `assetProxy.transferFrom` using the constructed calldata ///////\n let success := call(\n gas, // forward all gas\n assetProxy, // call address of asset proxy\n 0, // don't send any ETH\n cdStart, // pointer to start of input\n sub(cdEnd, cdStart), // length of input \n cdStart, // write output over input\n 512 // reserve 512 bytes for output\n )\n if iszero(success) {\n revert(cdStart, returndatasize())\n }\n }\n }\n }\n}\n", - "2.0.0/protocol/Exchange/MixinExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinExchangeCore is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n LibOrder,\n LibFillResults,\n MAssetProxyDispatcher,\n MExchangeCore,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of orderHash => amount of takerAsset already bought by maker\n mapping (bytes32 => uint256) public filled;\n\n // Mapping of orderHash => cancelled\n mapping (bytes32 => bool) public cancelled;\n\n // Mapping of makerAddress => senderAddress => lowest salt an order can have in order to be fillable\n // Orders with specified senderAddress and with a salt less than their epoch are considered cancelled\n mapping (address => mapping (address => uint256)) public orderEpoch;\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external\n nonReentrant\n {\n address makerAddress = getCurrentContextAddress();\n // If this function is called via `executeTransaction`, we only update the orderEpoch for the makerAddress/msg.sender combination.\n // This allows external filter contracts to add rules to how orders are cancelled via this function.\n address senderAddress = makerAddress == msg.sender ? address(0) : msg.sender;\n\n // orderEpoch is initialized to 0, so to cancelUpTo we need salt + 1\n uint256 newOrderEpoch = targetOrderEpoch + 1; \n uint256 oldOrderEpoch = orderEpoch[makerAddress][senderAddress];\n\n // Ensure orderEpoch is monotonically increasing\n require(\n newOrderEpoch > oldOrderEpoch, \n \"INVALID_NEW_ORDER_EPOCH\"\n );\n\n // Update orderEpoch\n orderEpoch[makerAddress][senderAddress] = newOrderEpoch;\n emit CancelUpTo(\n makerAddress,\n senderAddress,\n newOrderEpoch\n );\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrder(Order memory order)\n public\n nonReentrant\n {\n cancelOrderInternal(order);\n }\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(Order memory order)\n public\n view\n returns (OrderInfo memory orderInfo)\n {\n // Compute the order hash\n orderInfo.orderHash = getOrderHash(order);\n\n // Fetch filled amount\n orderInfo.orderTakerAssetFilledAmount = filled[orderInfo.orderHash];\n\n // If order.makerAssetAmount is zero, we also reject the order.\n // While the Exchange contract handles them correctly, they create\n // edge cases in the supporting infrastructure because they have\n // an 'infinite' price when computed by a simple division.\n if (order.makerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_MAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // If order.takerAssetAmount is zero, then the order will always\n // be considered filled because 0 == takerAssetAmount == orderTakerAssetFilledAmount\n // Instead of distinguishing between unfilled and filled zero taker\n // amount orders, we choose not to support them.\n if (order.takerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_TAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // Validate order availability\n if (orderInfo.orderTakerAssetFilledAmount >= order.takerAssetAmount) {\n orderInfo.orderStatus = uint8(OrderStatus.FULLY_FILLED);\n return orderInfo;\n }\n\n // Validate order expiration\n // solhint-disable-next-line not-rely-on-time\n if (block.timestamp >= order.expirationTimeSeconds) {\n orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);\n return orderInfo;\n }\n\n // Check if order has been cancelled\n if (cancelled[orderInfo.orderHash]) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n if (orderEpoch[order.makerAddress][order.senderAddress] > order.salt) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n\n // All other statuses are ruled out: order is Fillable\n orderInfo.orderStatus = uint8(OrderStatus.FILLABLE);\n return orderInfo;\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // Fetch order info\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Assert that the order is fillable by taker\n assertFillableOrder(\n order,\n orderInfo,\n takerAddress,\n signature\n );\n \n // Get amount of takerAsset to fill\n uint256 remainingTakerAssetAmount = safeSub(order.takerAssetAmount, orderInfo.orderTakerAssetFilledAmount);\n uint256 takerAssetFilledAmount = min256(takerAssetFillAmount, remainingTakerAssetAmount);\n\n // Validate context\n assertValidFill(\n order,\n orderInfo,\n takerAssetFillAmount,\n takerAssetFilledAmount,\n fillResults.makerAssetFilledAmount\n );\n\n // Compute proportional fill amounts\n fillResults = calculateFillResults(order, takerAssetFilledAmount);\n\n // Update exchange internal state\n updateFilledState(\n order,\n takerAddress,\n orderInfo.orderHash,\n orderInfo.orderTakerAssetFilledAmount,\n fillResults\n );\n \n // Settle order\n settleOrder(\n order,\n takerAddress,\n fillResults\n );\n\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrderInternal(Order memory order)\n internal\n {\n // Fetch current order status\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Validate context\n assertValidCancel(order, orderInfo);\n\n // Perform cancel\n updateCancelledState(order, orderInfo.orderHash);\n }\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n function updateFilledState(\n Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n FillResults memory fillResults\n )\n internal\n {\n // Update state\n filled[orderHash] = safeAdd(orderTakerAssetFilledAmount, fillResults.takerAssetFilledAmount);\n\n // Log order\n emit Fill(\n order.makerAddress,\n order.feeRecipientAddress,\n takerAddress,\n msg.sender,\n fillResults.makerAssetFilledAmount,\n fillResults.takerAssetFilledAmount,\n fillResults.makerFeePaid,\n fillResults.takerFeePaid,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n Order memory order,\n bytes32 orderHash\n )\n internal\n {\n // Perform cancel\n cancelled[orderHash] = true;\n\n // Log cancel\n emit Cancel(\n order.makerAddress,\n order.feeRecipientAddress,\n msg.sender,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n Order memory order,\n OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view\n {\n // An order can only be filled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n \n // Validate sender is allowed to fill this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n \n // Validate taker is allowed to fill this order\n if (order.takerAddress != address(0)) {\n require(\n order.takerAddress == takerAddress,\n \"INVALID_TAKER\"\n );\n }\n \n // Validate Maker signature (check only if first time seen)\n if (orderInfo.orderTakerAssetFilledAmount == 0) {\n require(\n isValidSignature(\n orderInfo.orderHash,\n order.makerAddress,\n signature\n ),\n \"INVALID_ORDER_SIGNATURE\"\n );\n }\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n Order memory order,\n OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount, // TODO: use FillResults\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view\n {\n // Revert if fill amount is invalid\n // TODO: reconsider necessity for v2.1\n require(\n takerAssetFillAmount != 0,\n \"INVALID_TAKER_AMOUNT\"\n );\n \n // Make sure taker does not pay more than desired amount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n takerAssetFilledAmount <= takerAssetFillAmount,\n \"TAKER_OVERPAY\"\n );\n \n // Make sure order is not overfilled\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeAdd(orderInfo.orderTakerAssetFilledAmount, takerAssetFilledAmount) <= order.takerAssetAmount,\n \"ORDER_OVERFILL\"\n );\n \n // Make sure order is filled at acceptable price.\n // The order has an implied price from the makers perspective:\n // order price = order.makerAssetAmount / order.takerAssetAmount\n // i.e. the number of makerAsset maker is paying per takerAsset. The\n // maker is guaranteed to get this price or a better (lower) one. The\n // actual price maker is getting in this fill is:\n // fill price = makerAssetFilledAmount / takerAssetFilledAmount\n // We need `fill price <= order price` for the fill to be fair to maker.\n // This amounts to:\n // makerAssetFilledAmount order.makerAssetAmount\n // ------------------------ <= -----------------------\n // takerAssetFilledAmount order.takerAssetAmount\n // or, equivalently:\n // makerAssetFilledAmount * order.takerAssetAmount <=\n // order.makerAssetAmount * takerAssetFilledAmount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeMul(makerAssetFilledAmount, order.takerAssetAmount)\n <= \n safeMul(order.makerAssetAmount, takerAssetFilledAmount),\n \"INVALID_FILL_PRICE\"\n );\n }\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n Order memory order,\n OrderInfo memory orderInfo\n )\n internal\n view\n {\n // Ensure order is valid\n // An order can only be cancelled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Validate sender is allowed to cancel this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate transaction signed by maker\n address makerAddress = getCurrentContextAddress();\n require(\n order.makerAddress == makerAddress,\n \"INVALID_MAKER\"\n );\n }\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (FillResults memory fillResults)\n {\n // Compute proportional transfer amounts\n fillResults.takerAssetFilledAmount = takerAssetFilledAmount;\n fillResults.makerAssetFilledAmount = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n );\n fillResults.makerFeePaid = safeGetPartialAmountFloor(\n fillResults.makerAssetFilledAmount,\n order.makerAssetAmount,\n order.makerFee\n );\n fillResults.takerFeePaid = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.takerFee\n );\n\n return fillResults;\n }\n\n /// @dev Settles an order by transferring assets between counterparties.\n /// @param order Order struct containing order specifications.\n /// @param takerAddress Address selling takerAsset and buying makerAsset.\n /// @param fillResults Amounts to be filled and fees paid by maker and taker.\n function settleOrder(\n LibOrder.Order memory order,\n address takerAddress,\n LibFillResults.FillResults memory fillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n dispatchTransferFrom(\n order.makerAssetData,\n order.makerAddress,\n takerAddress,\n fillResults.makerAssetFilledAmount\n );\n dispatchTransferFrom(\n order.takerAssetData,\n takerAddress,\n order.makerAddress,\n fillResults.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n zrxAssetData,\n order.makerAddress,\n order.feeRecipientAddress,\n fillResults.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n order.feeRecipientAddress,\n fillResults.takerFeePaid\n );\n }\n}\n", - "2.0.0/protocol/Exchange/MixinMatchOrders.sol": "/*\n Copyright 2018 ZeroEx Intl.\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n http://www.apache.org/licenses/LICENSE-2.0\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MMatchOrders.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinMatchOrders is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n MAssetProxyDispatcher,\n MExchangeCore,\n MMatchOrders,\n MTransactions\n{\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n nonReentrant\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We assume that rightOrder.takerAssetData == leftOrder.makerAssetData and rightOrder.makerAssetData == leftOrder.takerAssetData.\n // If this assumption isn't true, the match will fail at signature validation.\n rightOrder.makerAssetData = leftOrder.takerAssetData;\n rightOrder.takerAssetData = leftOrder.makerAssetData;\n\n // Get left & right order info\n LibOrder.OrderInfo memory leftOrderInfo = getOrderInfo(leftOrder);\n LibOrder.OrderInfo memory rightOrderInfo = getOrderInfo(rightOrder);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Either our context is valid or we revert\n assertFillableOrder(\n leftOrder,\n leftOrderInfo,\n takerAddress,\n leftSignature\n );\n assertFillableOrder(\n rightOrder,\n rightOrderInfo,\n takerAddress,\n rightSignature\n );\n assertValidMatch(leftOrder, rightOrder);\n\n // Compute proportional fill amounts\n matchedFillResults = calculateMatchedFillResults(\n leftOrder,\n rightOrder,\n leftOrderInfo.orderTakerAssetFilledAmount,\n rightOrderInfo.orderTakerAssetFilledAmount\n );\n\n // Validate fill contexts\n assertValidFill(\n leftOrder,\n leftOrderInfo,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.makerAssetFilledAmount\n );\n assertValidFill(\n rightOrder,\n rightOrderInfo,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n \n // Update exchange state\n updateFilledState(\n leftOrder,\n takerAddress,\n leftOrderInfo.orderHash,\n leftOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.left\n );\n updateFilledState(\n rightOrder,\n takerAddress,\n rightOrderInfo.orderHash,\n rightOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.right\n );\n\n // Settle matched orders. Succeeds or throws.\n settleMatchedOrders(\n leftOrder,\n rightOrder,\n takerAddress,\n matchedFillResults\n );\n\n return matchedFillResults;\n }\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure\n {\n // Make sure there is a profitable spread.\n // There is a profitable spread iff the cost per unit bought (OrderA.MakerAmount/OrderA.TakerAmount) for each order is greater\n // than the profit per unit sold of the matched order (OrderB.TakerAmount/OrderB.MakerAmount).\n // This is satisfied by the equations below:\n // / >= / \n // AND\n // / >= / \n // These equations can be combined to get the following:\n require(\n safeMul(leftOrder.makerAssetAmount, rightOrder.makerAssetAmount) >=\n safeMul(leftOrder.takerAssetAmount, rightOrder.takerAssetAmount),\n \"NEGATIVE_SPREAD_REQUIRED\"\n );\n }\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // Derive maker asset amounts for left & right orders, given store taker assert amounts\n uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);\n uint256 leftMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n leftTakerAssetAmountRemaining\n );\n uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);\n uint256 rightMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n rightOrder.makerAssetAmount,\n rightOrder.takerAssetAmount,\n rightTakerAssetAmountRemaining\n );\n\n // Calculate fill results for maker and taker assets: at least one order will be fully filled.\n // The maximum amount the left maker can buy is `leftTakerAssetAmountRemaining`\n // The maximum amount the right maker can sell is `rightMakerAssetAmountRemaining`\n // We have two distinct cases for calculating the fill results:\n // Case 1.\n // If the left maker can buy more than the right maker can sell, then only the right order is fully filled.\n // If the left maker can buy exactly what the right maker can sell, then both orders are fully filled.\n // Case 2.\n // If the left maker cannot buy more than the right maker can sell, then only the left order is fully filled.\n if (leftTakerAssetAmountRemaining >= rightMakerAssetAmountRemaining) {\n // Case 1: Right order is fully filled\n matchedFillResults.right.makerAssetFilledAmount = rightMakerAssetAmountRemaining;\n matchedFillResults.right.takerAssetFilledAmount = rightTakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = matchedFillResults.right.makerAssetFilledAmount;\n // Round down to ensure the maker's exchange rate does not exceed the price specified by the order. \n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.left.makerAssetFilledAmount = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n matchedFillResults.left.takerAssetFilledAmount\n );\n } else {\n // Case 2: Left order is fully filled\n matchedFillResults.left.makerAssetFilledAmount = leftMakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = leftTakerAssetAmountRemaining;\n matchedFillResults.right.makerAssetFilledAmount = matchedFillResults.left.takerAssetFilledAmount;\n // Round up to ensure the maker's exchange rate does not exceed the price specified by the order.\n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.right.takerAssetFilledAmount = safeGetPartialAmountCeil(\n rightOrder.takerAssetAmount,\n rightOrder.makerAssetAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n }\n\n // Calculate amount given to taker\n matchedFillResults.leftMakerAssetSpreadAmount = safeSub(\n matchedFillResults.left.makerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount\n );\n\n // Compute fees for left order\n matchedFillResults.left.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.makerAssetFilledAmount,\n leftOrder.makerAssetAmount,\n leftOrder.makerFee\n );\n matchedFillResults.left.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.takerAssetFilledAmount,\n leftOrder.takerAssetAmount,\n leftOrder.takerFee\n );\n\n // Compute fees for right order\n matchedFillResults.right.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.makerAssetFilledAmount,\n rightOrder.makerAssetAmount,\n rightOrder.makerFee\n );\n matchedFillResults.right.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.takerAssetFilledAmount,\n rightOrder.takerAssetAmount,\n rightOrder.takerFee\n );\n\n // Return fill results\n return matchedFillResults;\n }\n\n /// @dev Settles matched order by transferring appropriate funds between order makers, taker, and fee recipient.\n /// @param leftOrder First matched order.\n /// @param rightOrder Second matched order.\n /// @param takerAddress Address that matched the orders. The taker receives the spread between orders as profit.\n /// @param matchedFillResults Struct holding amounts to transfer between makers, taker, and fee recipients.\n function settleMatchedOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n address takerAddress,\n LibFillResults.MatchedFillResults memory matchedFillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n // Order makers and taker\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n rightOrder.makerAddress,\n matchedFillResults.right.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n rightOrder.makerAssetData,\n rightOrder.makerAddress,\n leftOrder.makerAddress,\n matchedFillResults.left.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n takerAddress,\n matchedFillResults.leftMakerAssetSpreadAmount\n );\n\n // Maker fees\n dispatchTransferFrom(\n zrxAssetData,\n leftOrder.makerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n rightOrder.makerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.makerFeePaid\n );\n\n // Taker fees\n if (leftOrder.feeRecipientAddress == rightOrder.feeRecipientAddress) {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n safeAdd(\n matchedFillResults.left.takerFeePaid,\n matchedFillResults.right.takerFeePaid\n )\n );\n } else {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.takerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.takerFeePaid\n );\n }\n }\n}\n", - "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./interfaces/IWallet.sol\";\nimport \"./interfaces/IValidator.sol\";\n\n\ncontract MixinSignatureValidator is\n ReentrancyGuard,\n MSignatureValidator,\n MTransactions\n{\n using LibBytes for bytes;\n \n // Mapping of hash => signer => signed\n mapping (bytes32 => mapping (address => bool)) public preSigned;\n\n // Mapping of signer => validator => approved\n mapping (address => mapping (address => bool)) public allowedValidators;\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n {\n if (signerAddress != msg.sender) {\n require(\n isValidSignature(\n hash,\n signerAddress,\n signature\n ),\n \"INVALID_SIGNATURE\"\n );\n }\n preSigned[hash][signerAddress] = true;\n }\n\n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external\n nonReentrant\n {\n address signerAddress = getCurrentContextAddress();\n allowedValidators[signerAddress][validatorAddress] = approval;\n emit SignatureValidatorApproval(\n signerAddress,\n validatorAddress,\n approval\n );\n }\n\n /// @dev Verifies that a hash has been signed by the given signer.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid)\n {\n require(\n signature.length > 0,\n \"LENGTH_GREATER_THAN_0_REQUIRED\"\n );\n\n // Pop last byte off of signature byte array.\n uint8 signatureTypeRaw = uint8(signature.popLastByte());\n\n // Ensure signature is supported\n require(\n signatureTypeRaw < uint8(SignatureType.NSignatureTypes),\n \"SIGNATURE_UNSUPPORTED\"\n );\n\n SignatureType signatureType = SignatureType(signatureTypeRaw);\n\n // Variables are not scoped in Solidity.\n uint8 v;\n bytes32 r;\n bytes32 s;\n address recovered;\n\n // Always illegal signature.\n // This is always an implicit option since a signer can create a\n // signature array with invalid type or length. We may as well make\n // it an explicit option. This aids testing and analysis. It is\n // also the initialization value for the enum type.\n if (signatureType == SignatureType.Illegal) {\n revert(\"SIGNATURE_ILLEGAL\");\n\n // Always invalid signature.\n // Like Illegal, this is always implicitly available and therefore\n // offered explicitly. It can be implicitly created by providing\n // a correctly formatted but incorrect signature.\n } else if (signatureType == SignatureType.Invalid) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = false;\n return isValid;\n\n // Signature using EIP712\n } else if (signatureType == SignatureType.EIP712) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n hash,\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signed using web3.eth_sign\n } else if (signatureType == SignatureType.EthSign) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n32\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signature verified by wallet contract.\n // If used with an order, the maker of the order is the wallet contract.\n } else if (signatureType == SignatureType.Wallet) {\n isValid = isValidWalletSignature(\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signature verified by validator contract.\n // If used with an order, the maker of the order can still be an EOA.\n // A signature using this type should be encoded as:\n // | Offset | Length | Contents |\n // | 0x00 | x | Signature to validate |\n // | 0x00 + x | 20 | Address of validator contract |\n // | 0x14 + x | 1 | Signature type is always \"\\x06\" |\n } else if (signatureType == SignatureType.Validator) {\n // Pop last 20 bytes off of signature byte array.\n address validatorAddress = signature.popLast20Bytes();\n \n // Ensure signer has approved validator.\n if (!allowedValidators[signerAddress][validatorAddress]) {\n return false;\n }\n isValid = isValidValidatorSignature(\n validatorAddress,\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signer signed hash previously using the preSign function.\n } else if (signatureType == SignatureType.PreSigned) {\n isValid = preSigned[hash][signerAddress];\n return isValid;\n }\n\n // Anything else is illegal (We do not return false because\n // the signature may actually be valid, just not in a format\n // that we currently support. In this case returning false\n // may lead the caller to incorrectly believe that the\n // signature was invalid.)\n revert(\"SIGNATURE_UNSUPPORTED\");\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if signature is valid for given wallet..\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IWallet(walletAddress).isValidSignature.selector,\n hash,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n walletAddress, // address of Wallet contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"WALLET_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000c57414c4c45545f4552524f5200000000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IValidator(signerAddress).isValidSignature.selector,\n hash,\n signerAddress,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n validatorAddress, // address of Validator contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"VALIDATOR_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f56414c494441544f525f4552524f5200000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n}\n", - "2.0.0/protocol/Exchange/MixinTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"./libs/LibExchangeErrors.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./libs/LibEIP712.sol\";\n\n\ncontract MixinTransactions is\n LibEIP712,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of transaction hash => executed\n // This prevents transactions from being executed more than once.\n mapping (bytes32 => bool) public transactions;\n\n // Address of current transaction signer\n address public currentContextAddress;\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external\n {\n // Prevent reentrancy\n require(\n currentContextAddress == address(0),\n \"REENTRANCY_ILLEGAL\"\n );\n\n bytes32 transactionHash = hashEIP712Message(hashZeroExTransaction(\n salt,\n signerAddress,\n data\n ));\n\n // Validate transaction has not been executed\n require(\n !transactions[transactionHash],\n \"INVALID_TX_HASH\"\n );\n\n // Transaction always valid if signer is sender of transaction\n if (signerAddress != msg.sender) {\n // Validate signature\n require(\n isValidSignature(\n transactionHash,\n signerAddress,\n signature\n ),\n \"INVALID_TX_SIGNATURE\"\n );\n\n // Set the current transaction signer\n currentContextAddress = signerAddress;\n }\n\n // Execute transaction\n transactions[transactionHash] = true;\n require(\n address(this).delegatecall(data),\n \"FAILED_EXECUTION\"\n );\n\n // Reset current transaction signer if it was previously updated\n if (signerAddress != msg.sender) {\n currentContextAddress = address(0);\n }\n }\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;\n bytes32 dataHash = keccak256(data);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,\n // salt,\n // bytes32(signerAddress),\n // keccak256(data)\n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, schemaHash) // hash of schema\n mstore(add(memPtr, 32), salt) // salt\n mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff)) // signerAddress\n mstore(add(memPtr, 96), dataHash) // hash of data\n\n // Compute hash\n result := keccak256(memPtr, 128)\n }\n return result;\n }\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address)\n {\n address currentContextAddress_ = currentContextAddress;\n address contextAddress = currentContextAddress_ == address(0) ? msg.sender : currentContextAddress_;\n return contextAddress;\n }\n}\n", - "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibAbiEncoder.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MWrapperFunctions.sol\";\n\n\ncontract MixinWrapperFunctions is\n ReentrancyGuard,\n LibMath,\n LibFillResults,\n LibAbiEncoder,\n MExchangeCore,\n MWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrKillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n // Delegate to `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := delegatecall(\n gas, // forward all gas\n address, // call address of this contract\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrKillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n \n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public\n nonReentrant\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n cancelOrderInternal(orders[i]);\n }\n }\n\n /// @dev Fetches information for all passed in orders.\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n LibOrder.OrderInfo[] memory ordersInfo = new LibOrder.OrderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n ordersInfo[i] = getOrderInfo(orders[i]);\n }\n return ordersInfo;\n }\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n require(\n fillResults.takerAssetFilledAmount == takerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return fillResults;\n }\n}\n", - "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssetProxyDispatcher {\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external;\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IExchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./IExchangeCore.sol\";\nimport \"./IMatchOrders.sol\";\nimport \"./ISignatureValidator.sol\";\nimport \"./ITransactions.sol\";\nimport \"./IAssetProxyDispatcher.sol\";\nimport \"./IWrapperFunctions.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract IExchange is\n IExchangeCore,\n IMatchOrders,\n ISignatureValidator,\n ITransactions,\n IAssetProxyDispatcher,\n IWrapperFunctions\n{}\n", - "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IExchangeCore {\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external;\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrder(LibOrder.Order memory order)\n public;\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(LibOrder.Order memory order)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IMatchOrders {\n\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n}\n", - "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ISignatureValidator {\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external;\n \n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external;\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address of signer.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\n\ncontract ITransactions {\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external;\n}\n", - "2.0.0/protocol/Exchange/interfaces/IValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IValidator {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IWallet {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IWrapperFunctions {\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public;\n\n /// @dev Fetches information for all passed in orders\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory);\n}\n", - "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./LibOrder.sol\";\n\n\ncontract LibAbiEncoder {\n\n /// @dev ABI encodes calldata for `fillOrder`.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return ABI encoded calldata for `fillOrder`.\n function abiEncodeFillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n pure\n returns (bytes memory fillOrderCalldata)\n {\n // We need to call MExchangeCore.fillOrder using a delegatecall in\n // assembly so that we can intercept a call that throws. For this, we\n // need the input encoded in memory in the Ethereum ABIv2 format [1].\n\n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0x00 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 0x00 | | 1. offset to order (*) |\n // | | 0x20 | | 2. takerAssetFillAmount |\n // | | 0x40 | | 3. offset to signature (*) |\n // | Data | | 12 * 32 | order: |\n // | | 0x000 | | 1. senderAddress |\n // | | 0x020 | | 2. makerAddress |\n // | | 0x040 | | 3. takerAddress |\n // | | 0x060 | | 4. feeRecipientAddress |\n // | | 0x080 | | 5. makerAssetAmount |\n // | | 0x0A0 | | 6. takerAssetAmount |\n // | | 0x0C0 | | 7. makerFeeAmount |\n // | | 0x0E0 | | 8. takerFeeAmount |\n // | | 0x100 | | 9. expirationTimeSeconds |\n // | | 0x120 | | 10. salt |\n // | | 0x140 | | 11. Offset to makerAssetData (*) |\n // | | 0x160 | | 12. Offset to takerAssetData (*) |\n // | | 0x180 | 32 | makerAssetData Length |\n // | | 0x1A0 | ** | makerAssetData Contents |\n // | | 0x1C0 | 32 | takerAssetData Length |\n // | | 0x1E0 | ** | takerAssetData Contents |\n // | | 0x200 | 32 | signature Length |\n // | | 0x220 | ** | signature Contents |\n\n // * Offsets are calculated from the beginning of the current area: Header, Params, Data:\n // An offset stored in the Params area is calculated from the beginning of the Params section.\n // An offset stored in the Data area is calculated from the beginning of the Data section.\n\n // ** The length of dynamic array contents are stored in the field immediately preceeding the contents.\n\n // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html\n\n assembly {\n\n // Areas below may use the following variables:\n // 1. Start -- Start of this area in memory\n // 2. End -- End of this area in memory. This value may\n // be precomputed (before writing contents),\n // or it may be computed as contents are written.\n // 3. Offset -- Current offset into area. If an area's End\n // is precomputed, this variable tracks the\n // offsets of contents as they are written.\n\n /////// Setup Header Area ///////\n // Load free memory pointer\n fillOrderCalldata := mload(0x40)\n // bytes4(keccak256(\"fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)\"))\n // = 0xb4be83d5\n // Leave 0x20 bytes to store the length\n mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000)\n let headerAreaEnd := add(fillOrderCalldata, 0x24)\n\n /////// Setup Params Area ///////\n // This area is preallocated and written to later.\n // This is because we need to fill in offsets that have not yet been calculated.\n let paramsAreaStart := headerAreaEnd\n let paramsAreaEnd := add(paramsAreaStart, 0x60)\n let paramsAreaOffset := paramsAreaStart\n\n /////// Setup Data Area ///////\n let dataAreaStart := paramsAreaEnd\n let dataAreaEnd := dataAreaStart\n\n // Offset from the source data we're reading from\n let sourceOffset := order\n // arrayLenBytes and arrayLenWords track the length of a dynamically-allocated bytes array.\n let arrayLenBytes := 0\n let arrayLenWords := 0\n\n /////// Write order Struct ///////\n // Write memory location of Order, relative to the start of the\n // parameter list, then increment the paramsAreaOffset respectively.\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n // Write values for each field in the order\n // It would be nice to use a loop, but we save on gas by writing\n // the stores sequentially.\n mstore(dataAreaEnd, mload(sourceOffset)) // makerAddress\n mstore(add(dataAreaEnd, 0x20), mload(add(sourceOffset, 0x20))) // takerAddress\n mstore(add(dataAreaEnd, 0x40), mload(add(sourceOffset, 0x40))) // feeRecipientAddress\n mstore(add(dataAreaEnd, 0x60), mload(add(sourceOffset, 0x60))) // senderAddress\n mstore(add(dataAreaEnd, 0x80), mload(add(sourceOffset, 0x80))) // makerAssetAmount\n mstore(add(dataAreaEnd, 0xA0), mload(add(sourceOffset, 0xA0))) // takerAssetAmount\n mstore(add(dataAreaEnd, 0xC0), mload(add(sourceOffset, 0xC0))) // makerFeeAmount\n mstore(add(dataAreaEnd, 0xE0), mload(add(sourceOffset, 0xE0))) // takerFeeAmount\n mstore(add(dataAreaEnd, 0x100), mload(add(sourceOffset, 0x100))) // expirationTimeSeconds\n mstore(add(dataAreaEnd, 0x120), mload(add(sourceOffset, 0x120))) // salt\n mstore(add(dataAreaEnd, 0x140), mload(add(sourceOffset, 0x140))) // Offset to makerAssetData\n mstore(add(dataAreaEnd, 0x160), mload(add(sourceOffset, 0x160))) // Offset to takerAssetData\n dataAreaEnd := add(dataAreaEnd, 0x180)\n sourceOffset := add(sourceOffset, 0x180)\n\n // Write offset to \n mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x140)) // makerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Write offset to \n mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x160)) // takerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n /////// Write takerAssetFillAmount ///////\n mstore(paramsAreaOffset, takerAssetFillAmount)\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n /////// Write signature ///////\n // Write offset to paramsArea\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n\n // Calculate length of signature\n sourceOffset := signature\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of signature\n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of signature\n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Set length of calldata\n mstore(fillOrderCalldata, sub(dataAreaEnd, add(fillOrderCalldata, 0x20)))\n\n // Increment free memory pointer\n mstore(0x40, dataAreaEnd)\n }\n\n return fillOrderCalldata;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\n// solhint-disable max-line-length\ncontract LibConstants {\n \n // Asset data for ZRX token. Used for fee transfers.\n // @TODO: Hardcode constant when we deploy. Currently \n // not constant to make testing easier.\n\n // The proxyId for ZRX_ASSET_DATA is bytes4(keccak256(\"ERC20Token(address)\")) = 0xf47261b0\n \n // Kovan ZRX address is 0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570.\n // The ABI encoded proxyId and address is 0xf47261b00000000000000000000000006ff6c0ff1d68b964901f986d4c9fa3ac68346570\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x6f\\xf6\\xc0\\xff\\x1d\\x68\\xb9\\x64\\x90\\x1f\\x98\\x6d\\x4c\\x9f\\xa3\\xac\\x68\\x34\\x65\\x70\";\n \n // Mainnet ZRX address is 0xe41d2489571d322189246dafa5ebde1f4699f498.\n // The ABI encoded proxyId and address is 0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\n bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xe4\\x1d\\x24\\x89\\x57\\x1d\\x32\\x21\\x89\\x24\\x6d\\xaf\\xa5\\xeb\\xde\\x1f\\x46\\x99\\xf4\\x98\";\n}\n// solhint-enable max-line-length\n", - "2.0.0/protocol/Exchange/libs/LibEIP712.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract LibEIP712 {\n\n // EIP191 header for EIP712 prefix\n string constant internal EIP191_HEADER = \"\\x19\\x01\";\n\n // EIP712 Domain Name value\n string constant internal EIP712_DOMAIN_NAME = \"0x Protocol\";\n\n // EIP712 Domain Version value\n string constant internal EIP712_DOMAIN_VERSION = \"2\";\n\n // Hash of the EIP712 Domain Separator Schema\n bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"EIP712Domain(\",\n \"string name,\",\n \"string version,\",\n \"address verifyingContract\",\n \")\"\n ));\n\n // Hash of the EIP712 Domain Separator data\n // solhint-disable-next-line var-name-mixedcase\n bytes32 public EIP712_DOMAIN_HASH;\n\n constructor ()\n public\n {\n EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(\n EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,\n keccak256(bytes(EIP712_DOMAIN_NAME)),\n keccak256(bytes(EIP712_DOMAIN_VERSION)),\n bytes32(address(this))\n ));\n }\n\n /// @dev Calculates EIP712 encoding for a hash struct in this EIP712 Domain.\n /// @param hashStruct The EIP712 hash struct.\n /// @return EIP712 hash applied to this EIP712 Domain.\n function hashEIP712Message(bytes32 hashStruct)\n internal\n view\n returns (bytes32 result)\n {\n bytes32 eip712DomainHash = EIP712_DOMAIN_HASH;\n\n // Assembly for more efficient computing:\n // keccak256(abi.encodePacked(\n // EIP191_HEADER,\n // EIP712_DOMAIN_HASH,\n // hashStruct \n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, 0x1901000000000000000000000000000000000000000000000000000000000000) // EIP191 header\n mstore(add(memPtr, 2), eip712DomainHash) // EIP712 domain hash\n mstore(add(memPtr, 34), hashStruct) // Hash of struct\n\n // Compute hash\n result := keccak256(memPtr, 66)\n }\n return result;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity 0.4.24;\n\n\n/// @dev This contract documents the revert reasons used in the Exchange contract.\n/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons.\ncontract LibExchangeErrors {\n\n /// Order validation errors ///\n string constant ORDER_UNFILLABLE = \"ORDER_UNFILLABLE\"; // Order cannot be filled.\n string constant INVALID_MAKER = \"INVALID_MAKER\"; // Invalid makerAddress.\n string constant INVALID_TAKER = \"INVALID_TAKER\"; // Invalid takerAddress.\n string constant INVALID_SENDER = \"INVALID_SENDER\"; // Invalid `msg.sender`.\n string constant INVALID_ORDER_SIGNATURE = \"INVALID_ORDER_SIGNATURE\"; // Signature validation failed. \n \n /// fillOrder validation errors ///\n string constant INVALID_TAKER_AMOUNT = \"INVALID_TAKER_AMOUNT\"; // takerAssetFillAmount cannot equal 0.\n string constant ROUNDING_ERROR = \"ROUNDING_ERROR\"; // Rounding error greater than 0.1% of takerAssetFillAmount. \n \n /// Signature validation errors ///\n string constant INVALID_SIGNATURE = \"INVALID_SIGNATURE\"; // Signature validation failed. \n string constant SIGNATURE_ILLEGAL = \"SIGNATURE_ILLEGAL\"; // Signature type is illegal.\n string constant SIGNATURE_UNSUPPORTED = \"SIGNATURE_UNSUPPORTED\"; // Signature type unsupported.\n \n /// cancelOrdersUptTo errors ///\n string constant INVALID_NEW_ORDER_EPOCH = \"INVALID_NEW_ORDER_EPOCH\"; // Specified salt must be greater than or equal to existing orderEpoch.\n\n /// fillOrKillOrder errors ///\n string constant COMPLETE_FILL_FAILED = \"COMPLETE_FILL_FAILED\"; // Desired takerAssetFillAmount could not be completely filled. \n\n /// matchOrders errors ///\n string constant NEGATIVE_SPREAD_REQUIRED = \"NEGATIVE_SPREAD_REQUIRED\"; // Matched orders must have a negative spread.\n\n /// Transaction errors ///\n string constant REENTRANCY_ILLEGAL = \"REENTRANCY_ILLEGAL\"; // Recursive reentrancy is not allowed. \n string constant INVALID_TX_HASH = \"INVALID_TX_HASH\"; // Transaction has already been executed. \n string constant INVALID_TX_SIGNATURE = \"INVALID_TX_SIGNATURE\"; // Signature validation failed. \n string constant FAILED_EXECUTION = \"FAILED_EXECUTION\"; // Transaction execution failed. \n \n /// registerAssetProxy errors ///\n string constant ASSET_PROXY_ALREADY_EXISTS = \"ASSET_PROXY_ALREADY_EXISTS\"; // AssetProxy with same id already exists.\n\n /// dispatchTransferFrom errors ///\n string constant ASSET_PROXY_DOES_NOT_EXIST = \"ASSET_PROXY_DOES_NOT_EXIST\"; // No assetProxy registered at given id.\n string constant TRANSFER_FAILED = \"TRANSFER_FAILED\"; // Asset transfer unsuccesful.\n\n /// Length validation errors ///\n string constant LENGTH_GREATER_THAN_0_REQUIRED = \"LENGTH_GREATER_THAN_0_REQUIRED\"; // Byte array must have a length greater than 0.\n string constant LENGTH_GREATER_THAN_3_REQUIRED = \"LENGTH_GREATER_THAN_3_REQUIRED\"; // Byte array must have a length greater than 3.\n string constant LENGTH_0_REQUIRED = \"LENGTH_0_REQUIRED\"; // Byte array must have a length of 0.\n string constant LENGTH_65_REQUIRED = \"LENGTH_65_REQUIRED\"; // Byte array must have a length of 65.\n}\n", - "2.0.0/protocol/Exchange/libs/LibFillResults.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibFillResults is\n SafeMath\n{\n struct FillResults {\n uint256 makerAssetFilledAmount; // Total amount of makerAsset(s) filled.\n uint256 takerAssetFilledAmount; // Total amount of takerAsset(s) filled.\n uint256 makerFeePaid; // Total amount of ZRX paid by maker(s) to feeRecipient(s).\n uint256 takerFeePaid; // Total amount of ZRX paid by taker to feeRecipients(s).\n }\n\n struct MatchedFillResults {\n FillResults left; // Amounts filled and fees paid of left order.\n FillResults right; // Amounts filled and fees paid of right order.\n uint256 leftMakerAssetSpreadAmount; // Spread between price of left and right order, denominated in the left order's makerAsset, paid to taker.\n }\n\n /// @dev Adds properties of both FillResults instances.\n /// Modifies the first FillResults instance specified.\n /// @param totalFillResults Fill results instance that will be added onto.\n /// @param singleFillResults Fill results instance that will be added to totalFillResults.\n function addFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)\n internal\n pure\n {\n totalFillResults.makerAssetFilledAmount = safeAdd(totalFillResults.makerAssetFilledAmount, singleFillResults.makerAssetFilledAmount);\n totalFillResults.takerAssetFilledAmount = safeAdd(totalFillResults.takerAssetFilledAmount, singleFillResults.takerAssetFilledAmount);\n totalFillResults.makerFeePaid = safeAdd(totalFillResults.makerFeePaid, singleFillResults.makerFeePaid);\n totalFillResults.takerFeePaid = safeAdd(totalFillResults.takerFeePaid, singleFillResults.takerFeePaid);\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibMath.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibMath is\n SafeMath\n{\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function safeGetPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorFloor(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function safeGetPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorCeil(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function getPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function getPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // The absolute rounding error is the difference between the rounded\n // value and the ideal value. The relative rounding error is the\n // absolute rounding error divided by the absolute value of the\n // ideal value. This is undefined when the ideal value is zero.\n //\n // The ideal value is `numerator * target / denominator`.\n // Let's call `numerator * target % denominator` the remainder.\n // The absolute error is `remainder / denominator`.\n //\n // When the ideal value is zero, we require the absolute error to\n // be zero. Fortunately, this is always the case. The ideal value is\n // zero iff `numerator == 0` and/or `target == 0`. In this case the\n // remainder and absolute error are also zero. \n if (target == 0 || numerator == 0) {\n return false;\n }\n \n // Otherwise, we want the relative rounding error to be strictly\n // less than 0.1%.\n // The relative error is `remainder / (numerator * target)`.\n // We want the relative error less than 1 / 1000:\n // remainder / (numerator * denominator) < 1 / 1000\n // or equivalently:\n // 1000 * remainder < numerator * target\n // so we have a rounding error iff:\n // 1000 * remainder >= numerator * target\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding up.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // See the comments in `isRoundingError`.\n if (target == 0 || numerator == 0) {\n // When either is zero, the ideal value and rounded value are zero\n // and there is no rounding error. (Although the relative error\n // is undefined.)\n return false;\n }\n // Compute remainder as before\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n remainder = safeSub(denominator, remainder) % denominator;\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibOrder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./LibEIP712.sol\";\n\n\ncontract LibOrder is\n LibEIP712\n{\n // Hash for the EIP712 Order Schema\n bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"Order(\",\n \"address makerAddress,\",\n \"address takerAddress,\",\n \"address feeRecipientAddress,\",\n \"address senderAddress,\",\n \"uint256 makerAssetAmount,\",\n \"uint256 takerAssetAmount,\",\n \"uint256 makerFee,\",\n \"uint256 takerFee,\",\n \"uint256 expirationTimeSeconds,\",\n \"uint256 salt,\",\n \"bytes makerAssetData,\",\n \"bytes takerAssetData\",\n \")\"\n ));\n\n // A valid order remains fillable until it is expired, fully filled, or cancelled.\n // An order's state is unaffected by external factors, like account balances.\n enum OrderStatus {\n INVALID, // Default value\n INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount\n INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount\n FILLABLE, // Order is fillable\n EXPIRED, // Order has already expired\n FULLY_FILLED, // Order is fully filled\n CANCELLED // Order has been cancelled\n }\n\n // solhint-disable max-line-length\n struct Order {\n address makerAddress; // Address that created the order. \n address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order. \n address feeRecipientAddress; // Address that will recieve fees when order is filled. \n address senderAddress; // Address that is allowed to call Exchange contract methods that affect this order. If set to 0, any address is allowed to call these methods.\n uint256 makerAssetAmount; // Amount of makerAsset being offered by maker. Must be greater than 0. \n uint256 takerAssetAmount; // Amount of takerAsset being bid on by maker. Must be greater than 0. \n uint256 makerFee; // Amount of ZRX paid to feeRecipient by maker when order is filled. If set to 0, no transfer of ZRX from maker to feeRecipient will be attempted.\n uint256 takerFee; // Amount of ZRX paid to feeRecipient by taker when order is filled. If set to 0, no transfer of ZRX from taker to feeRecipient will be attempted.\n uint256 expirationTimeSeconds; // Timestamp in seconds at which order expires. \n uint256 salt; // Arbitrary number to facilitate uniqueness of the order's hash. \n bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.\n bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.\n }\n // solhint-enable max-line-length\n\n struct OrderInfo {\n uint8 orderStatus; // Status that describes order's validity and fillability.\n bytes32 orderHash; // EIP712 hash of the order (see LibOrder.getOrderHash).\n uint256 orderTakerAssetFilledAmount; // Amount of order that has already been filled.\n }\n\n /// @dev Calculates Keccak-256 hash of the order.\n /// @param order The order structure.\n /// @return Keccak-256 EIP712 hash of the order.\n function getOrderHash(Order memory order)\n internal\n view\n returns (bytes32 orderHash)\n {\n orderHash = hashEIP712Message(hashOrder(order));\n return orderHash;\n }\n\n /// @dev Calculates EIP712 hash of the order.\n /// @param order The order structure.\n /// @return EIP712 hash of the order.\n function hashOrder(Order memory order)\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ORDER_SCHEMA_HASH;\n bytes32 makerAssetDataHash = keccak256(order.makerAssetData);\n bytes32 takerAssetDataHash = keccak256(order.takerAssetData);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ORDER_SCHEMA_HASH,\n // bytes32(order.makerAddress),\n // bytes32(order.takerAddress),\n // bytes32(order.feeRecipientAddress),\n // bytes32(order.senderAddress),\n // order.makerAssetAmount,\n // order.takerAssetAmount,\n // order.makerFee,\n // order.takerFee,\n // order.expirationTimeSeconds,\n // order.salt,\n // keccak256(order.makerAssetData),\n // keccak256(order.takerAssetData)\n // ));\n\n assembly {\n // Calculate memory addresses that will be swapped out before hashing\n let pos1 := sub(order, 32)\n let pos2 := add(order, 320)\n let pos3 := add(order, 352)\n\n // Backup\n let temp1 := mload(pos1)\n let temp2 := mload(pos2)\n let temp3 := mload(pos3)\n \n // Hash in place\n mstore(pos1, schemaHash)\n mstore(pos2, makerAssetDataHash)\n mstore(pos3, takerAssetDataHash)\n result := keccak256(pos1, 416)\n \n // Restore\n mstore(pos1, temp1)\n mstore(pos2, temp2)\n mstore(pos3, temp3)\n }\n return result;\n }\n}\n", - "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssetProxyDispatcher.sol\";\n\n\ncontract MAssetProxyDispatcher is\n IAssetProxyDispatcher\n{\n // Logs registration of new asset proxy\n event AssetProxyRegistered(\n bytes4 id, // Id of new registered AssetProxy.\n address assetProxy // Address of new registered AssetProxy.\n );\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal;\n}\n", - "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IExchangeCore.sol\";\n\n\ncontract MExchangeCore is\n IExchangeCore\n{\n // Fill event is emitted whenever an order is filled.\n event Fill(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that received fees.\n address takerAddress, // Address that filled the order.\n address senderAddress, // Address that called the Exchange contract (msg.sender).\n uint256 makerAssetFilledAmount, // Amount of makerAsset sold by maker and bought by taker. \n uint256 takerAssetFilledAmount, // Amount of takerAsset sold by taker and bought by maker.\n uint256 makerFeePaid, // Amount of ZRX paid to feeRecipient by maker.\n uint256 takerFeePaid, // Amount of ZRX paid to feeRecipient by taker.\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // Cancel event is emitted whenever an individual order is cancelled.\n event Cancel(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that would have recieved fees if order was filled. \n address senderAddress, // Address that called the Exchange contract (msg.sender).\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // CancelUpTo event is emitted whenever `cancelOrdersUpTo` is executed succesfully.\n event CancelUpTo(\n address indexed makerAddress, // Orders cancelled must have been created by this address.\n address indexed senderAddress, // Orders cancelled must have a `senderAddress` equal to this address.\n uint256 orderEpoch // Orders with specified makerAddress and senderAddress with a salt less than this value are considered cancelled.\n );\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrderInternal(LibOrder.Order memory order)\n internal;\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function updateFilledState(\n LibOrder.Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n LibFillResults.FillResults memory fillResults\n )\n internal;\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n LibOrder.Order memory order,\n bytes32 orderHash\n )\n internal;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo Status, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view;\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo\n )\n internal\n view;\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n LibOrder.Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.FillResults memory fillResults);\n\n}\n", - "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IMatchOrders.sol\";\n\n\ncontract MMatchOrders is\n IMatchOrders\n{\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure;\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n\n}\n", - "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/ISignatureValidator.sol\";\n\n\ncontract MSignatureValidator is\n ISignatureValidator\n{\n event SignatureValidatorApproval(\n address indexed signerAddress, // Address that approves or disapproves a contract to verify signatures.\n address indexed validatorAddress, // Address of signature validator contract.\n bool approved // Approval or disapproval of validator contract.\n );\n\n // Allowed signature types.\n enum SignatureType {\n Illegal, // 0x00, default value\n Invalid, // 0x01\n EIP712, // 0x02\n EthSign, // 0x03\n Wallet, // 0x04\n Validator, // 0x05\n PreSigned, // 0x06\n NSignatureTypes // 0x07, number of signature types. Always leave at end.\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/mixins/MTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"../interfaces/ITransactions.sol\";\n\n\ncontract MTransactions is\n ITransactions\n{\n // Hash for the EIP712 ZeroEx Transaction Schema\n bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"ZeroExTransaction(\",\n \"uint256 salt,\",\n \"address signerAddress,\",\n \"bytes data\",\n \")\"\n ));\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result);\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address);\n}\n", - "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IWrapperFunctions.sol\";\n\n\ncontract MWrapperFunctions is \n IWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n}\n", - "2.0.0/tokens/ERC20Token/IERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n \n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n \n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", - "2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Token {\n\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(\n address indexed _owner,\n address indexed _approved,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(\n address indexed _owner,\n address indexed _operator,\n bool _approved\n );\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// perator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external;\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public;\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address);\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) \n public\n view\n returns (address);\n \n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool);\n}\n", - "2.0.0/tokens/EtherToken/IEtherToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/IERC20Token.sol\";\n\n\ncontract IEtherToken is\n IERC20Token\n{\n function deposit()\n public\n payable;\n \n function withdraw(uint256 amount)\n public;\n}\n", - "2.0.0/utils/LibBytes/LibBytes.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\nlibrary LibBytes {\n\n using LibBytes for bytes;\n\n /// @dev Gets the memory address for a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of byte array. This\n /// points to the header of the byte array which contains\n /// the length.\n function rawAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := input\n }\n return memoryAddress;\n }\n \n /// @dev Gets the memory address for the contents of a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of the contents of the byte array.\n function contentAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := add(input, 32)\n }\n return memoryAddress;\n }\n\n /// @dev Copies `length` bytes from memory location `source` to `dest`.\n /// @param dest memory address to copy bytes to.\n /// @param source memory address to copy bytes from.\n /// @param length number of bytes to copy.\n function memCopy(\n uint256 dest,\n uint256 source,\n uint256 length\n )\n internal\n pure\n {\n if (length < 32) {\n // Handle a partial word by reading destination and masking\n // off the bits we are interested in.\n // This correctly handles overlap, zero lengths and source == dest\n assembly {\n let mask := sub(exp(256, sub(32, length)), 1)\n let s := and(mload(source), not(mask))\n let d := and(mload(dest), mask)\n mstore(dest, or(s, d))\n }\n } else {\n // Skip the O(length) loop when source == dest.\n if (source == dest) {\n return;\n }\n\n // For large copies we copy whole words at a time. The final\n // word is aligned to the end of the range (instead of after the\n // previous) to handle partial words. So a copy will look like this:\n //\n // ####\n // ####\n // ####\n // ####\n //\n // We handle overlap in the source and destination range by\n // changing the copying direction. This prevents us from\n // overwriting parts of source that we still need to copy.\n //\n // This correctly handles source == dest\n //\n if (source > dest) {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because it\n // is easier to compare with in the loop, and these\n // are also the addresses we need for copying the\n // last bytes.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the last 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the last bytes in\n // source already due to overlap.\n let last := mload(sEnd)\n\n // Copy whole words front to back\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} lt(source, sEnd) {} {\n mstore(dest, mload(source))\n source := add(source, 32)\n dest := add(dest, 32)\n }\n \n // Write the last 32 bytes\n mstore(dEnd, last)\n }\n } else {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because those\n // are the starting points when copying a word at the end.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the first 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the first bytes in\n // source already due to overlap.\n let first := mload(source)\n\n // Copy whole words back to front\n // We use a signed comparisson here to allow dEnd to become\n // negative (happens when source and dest < 32). Valid\n // addresses in local memory will never be larger than\n // 2**255, so they can be safely re-interpreted as signed.\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} slt(dest, dEnd) {} {\n mstore(dEnd, mload(sEnd))\n sEnd := sub(sEnd, 32)\n dEnd := sub(dEnd, 32)\n }\n \n // Write the first 32 bytes\n mstore(dest, first)\n }\n }\n }\n }\n\n /// @dev Returns a slices from a byte array.\n /// @param b The byte array to take a slice from.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n function slice(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure and copy contents\n result = new bytes(to - from);\n memCopy(\n result.contentAddress(),\n b.contentAddress() + from,\n result.length\n );\n return result;\n }\n \n /// @dev Returns a slice from a byte array without preserving the input.\n /// @param b The byte array to take a slice from. Will be destroyed in the process.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n /// @dev When `from == 0`, the original array will match the slice. In other cases its state will be corrupted.\n function sliceDestructive(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure around [from, to) in-place.\n assembly {\n result := add(b, from)\n mstore(result, sub(to, from))\n }\n return result;\n }\n\n /// @dev Pops the last byte off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The byte that was popped off.\n function popLastByte(bytes memory b)\n internal\n pure\n returns (bytes1 result)\n {\n require(\n b.length > 0,\n \"GREATER_THAN_ZERO_LENGTH_REQUIRED\"\n );\n\n // Store last byte.\n result = b[b.length - 1];\n\n assembly {\n // Decrement length of byte array.\n let newLen := sub(mload(b), 1)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Pops the last 20 bytes off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The 20 byte address that was popped off.\n function popLast20Bytes(bytes memory b)\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= 20,\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Store last 20 bytes.\n result = readAddress(b, b.length - 20);\n\n assembly {\n // Subtract 20 from byte array length.\n let newLen := sub(mload(b), 20)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Tests equality of two byte arrays.\n /// @param lhs First byte array to compare.\n /// @param rhs Second byte array to compare.\n /// @return True if arrays are the same. False otherwise.\n function equals(\n bytes memory lhs,\n bytes memory rhs\n )\n internal\n pure\n returns (bool equal)\n {\n // Keccak gas cost is 30 + numWords * 6. This is a cheap way to compare.\n // We early exit on unequal lengths, but keccak would also correctly\n // handle this.\n return lhs.length == rhs.length && keccak256(lhs) == keccak256(rhs);\n }\n\n /// @dev Reads an address from a position in a byte array.\n /// @param b Byte array containing an address.\n /// @param index Index in byte array of address.\n /// @return address from byte array.\n function readAddress(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Read address from array memory\n assembly {\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 20-byte mask to obtain address\n result := and(mload(add(b, index)), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n return result;\n }\n\n /// @dev Writes an address into a specific position in a byte array.\n /// @param b Byte array to insert address into.\n /// @param index Index in byte array of address.\n /// @param input Address to put into byte array.\n function writeAddress(\n bytes memory b,\n uint256 index,\n address input\n )\n internal\n pure\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Store address into array memory\n assembly {\n // The address occupies 20 bytes and mstore stores 32 bytes.\n // First fetch the 32-byte word where we'll be storing the address, then\n // apply a mask so we have only the bytes in the word that the address will not occupy.\n // Then combine these bytes with the address and store the 32 bytes back to memory with mstore.\n\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 12-byte mask to obtain extra bytes occupying word of memory where we'll store the address\n let neighbors := and(\n mload(add(b, index)),\n 0xffffffffffffffffffffffff0000000000000000000000000000000000000000\n )\n \n // Make sure input address is clean.\n // (Solidity does not guarantee this)\n input := and(input, 0xffffffffffffffffffffffffffffffffffffffff)\n\n // Store the neighbors and address into memory\n mstore(add(b, index), xor(input, neighbors))\n }\n }\n\n /// @dev Reads a bytes32 value from a position in a byte array.\n /// @param b Byte array containing a bytes32 value.\n /// @param index Index in byte array of bytes32 value.\n /// @return bytes32 value from byte array.\n function readBytes32(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes32 result)\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n result := mload(add(b, index))\n }\n return result;\n }\n\n /// @dev Writes a bytes32 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes32 to put into byte array.\n function writeBytes32(\n bytes memory b,\n uint256 index,\n bytes32 input\n )\n internal\n pure\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n mstore(add(b, index), input)\n }\n }\n\n /// @dev Reads a uint256 value from a position in a byte array.\n /// @param b Byte array containing a uint256 value.\n /// @param index Index in byte array of uint256 value.\n /// @return uint256 value from byte array.\n function readUint256(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (uint256 result)\n {\n result = uint256(readBytes32(b, index));\n return result;\n }\n\n /// @dev Writes a uint256 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input uint256 to put into byte array.\n function writeUint256(\n bytes memory b,\n uint256 index,\n uint256 input\n )\n internal\n pure\n {\n writeBytes32(b, index, bytes32(input));\n }\n\n /// @dev Reads an unpadded bytes4 value from a position in a byte array.\n /// @param b Byte array containing a bytes4 value.\n /// @param index Index in byte array of bytes4 value.\n /// @return bytes4 value from byte array.\n function readBytes4(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes4 result)\n {\n require(\n b.length >= index + 4,\n \"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 32 byte length field\n index += 32;\n\n // Read the bytes4 from array memory\n assembly {\n result := mload(add(b, index))\n // Solidity does not require us to clean the trailing bytes.\n // We do it anyway\n result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)\n }\n return result;\n }\n\n /// @dev Reads nested bytes from a specific position.\n /// @dev NOTE: the returned value overlaps with the input value.\n /// Both should be treated as immutable.\n /// @param b Byte array containing nested bytes.\n /// @param index Index of nested bytes.\n /// @return result Nested bytes.\n function readBytesWithLength(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes memory result)\n {\n // Read length of nested bytes\n uint256 nestedBytesLength = readUint256(b, index);\n index += 32;\n\n // Assert length of is valid, given\n // length of nested bytes\n require(\n b.length >= index + nestedBytesLength,\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n \n // Return a pointer to the byte array as it exists inside `b`\n assembly {\n result := add(b, index)\n }\n return result;\n }\n\n /// @dev Inserts bytes at a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes to insert.\n function writeBytesWithLength(\n bytes memory b,\n uint256 index,\n bytes memory input\n )\n internal\n pure\n {\n // Assert length of is valid, given\n // length of input\n require(\n b.length >= index + 32 + input.length, // 32 bytes to store length\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n\n // Copy into \n memCopy(\n b.contentAddress() + index,\n input.rawAddress(), // includes length of \n input.length + 32 // +32 bytes to store length\n );\n }\n\n /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length.\n /// @param dest Byte array that will be overwritten with source bytes.\n /// @param source Byte array to copy onto dest bytes.\n function deepCopyBytes(\n bytes memory dest,\n bytes memory source\n )\n internal\n pure\n {\n uint256 sourceLen = source.length;\n // Dest length must be >= source length, or some bytes would not be copied.\n require(\n dest.length >= sourceLen,\n \"GREATER_OR_EQUAL_TO_SOURCE_BYTES_LENGTH_REQUIRED\"\n );\n memCopy(\n dest.contentAddress(),\n source.contentAddress(),\n sourceLen\n );\n }\n}\n", - "2.0.0/utils/Ownable/IOwnable.sol": "pragma solidity 0.4.24;\n\n\ncontract IOwnable {\n\n function transferOwnership(address newOwner)\n public;\n}\n", - "2.0.0/utils/Ownable/Ownable.sol": "pragma solidity 0.4.24;\n\nimport \"./IOwnable.sol\";\n\n\ncontract Ownable is\n IOwnable\n{\n address public owner;\n\n constructor ()\n public\n {\n owner = msg.sender;\n }\n\n modifier onlyOwner() {\n require(\n msg.sender == owner,\n \"ONLY_CONTRACT_OWNER\"\n );\n _;\n }\n\n function transferOwnership(address newOwner)\n public\n onlyOwner\n {\n if (newOwner != address(0)) {\n owner = newOwner;\n }\n }\n}\n", - "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ReentrancyGuard {\n\n // Locked state of mutex\n bool private locked = false;\n\n /// @dev Functions with this modifer cannot be reentered. The mutex will be locked\n /// before function execution and unlocked after.\n modifier nonReentrant() {\n // Ensure mutex is unlocked\n require(\n !locked,\n \"REENTRANCY_ILLEGAL\"\n );\n\n // Lock mutex before function call\n locked = true;\n\n // Perform function call\n _;\n\n // Unlock mutex after function call\n locked = false;\n }\n}\n", - "2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n\n function safeMul(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(\n c / a == b,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function safeDiv(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a / b;\n return c;\n }\n\n function safeSub(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n require(\n b <= a,\n \"UINT256_UNDERFLOW\"\n );\n return a - b;\n }\n\n function safeAdd(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a + b;\n require(\n c >= a,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function max64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n\n function max256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n}\n" - }, - "sourceTreeHashHex": "0xc1a03719bb35a579c3db5156280faf7fea3944100a90a5b2abe1840a4bcfea20", - "compiler": { - "name": "solc", - "version": "soljson-v0.4.24+commit.e67f0147.js", - "settings": { - "optimizer": { - "enabled": true, - "runs": 1000000 - }, - "outputSelection": { - "*": { - "*": [ - "abi", - "evm.bytecode.object", - "evm.bytecode.sourceMap", - "evm.deployedBytecode.object", - "evm.deployedBytecode.sourceMap" - ] - } - } - } - }, - "networks": { - "1": { - "address": "0x17992e4ffb22730138e4b62aaa6367fa9d3699a6", - "links": {}, - "constructorArgs": "[[\"0x257619b7155d247e43c8b6d90c8c17278ae481f0\",\"0x5ee2a00f8f01d099451844af7f894f26a57fcbf2\",\"0x894d623e0e0e8ed12c4a73dada999e275684a37d\"],[\"0x2240dab907db71e64d3e0dba4800c83b5c502d4e\",\"0x208e41fb445f1bb1b6780d58356e81405f3e6127\"],\"2\",\"1209600\"]" - }, - "3": { - "address": "0xf5fa5b5fed2727a0e44ac67f6772e97977aa358b", - "links": {}, - "constructorArgs": "[[\"0x9df8137872ac09a8fee71d0da5c7539923fb9bf0\",\"0xcf34d44db312d188789f43a63d11cf2bebb4da15\",\"0x73fd50f2a6beac9cdac9fe87ef68a18edc415831\"],[\"0xb1408f4c245a23c31b98d2c626777d4c0d766caa\",\"0xe654aac058bfbf9f83fcaee7793311dd82f6ddb4\"],\"1\",\"0\"]" - }, - "42": { - "address": "0x2c824d2882baa668e0d5202b1e7f2922278703f8", - "links": {}, - "constructorArgs": "[[\"0x9df8137872ac09a8fee71d0da5c7539923fb9bf0\",\"0xcf34d44db312d188789f43a63d11cf2bebb4da15\",\"0x73fd50f2a6beac9cdac9fe87ef68a18edc415831\"],[\"0xf1ec01d6236d3cd881a0bf0130ea25fe4234003e\",\"0x2a9127c745688a165106c11cd4d647d2220af821\"],\"1\",\"0\"]" - }, - "50": { - "address": "0x34d402f14d58e001d8efbe6585051bf9706aa064", - "links": {}, - "constructorArgs": "[[\"0x9df8137872ac09a8fee71d0da5c7539923fb9bf0\",\"0xcf34d44db312d188789f43a63d11cf2bebb4da15\",\"0x73fd50f2a6beac9cdac9fe87ef68a18edc415831\"],[\"0x1dc4c1cefef38a777b15aa20260a54e584b16c48\",\"0x1d7022f5b17d2f8b695918fb48fa1089c9f85401\"],\"1\",\"0\"]" - } - } -} diff --git a/packages/migrations/artifacts/2.0.0-mainnet/DummyERC20Token.json b/packages/migrations/artifacts/2.0.0-mainnet/DummyERC20Token.json deleted file mode 100644 index e0c5eb5dd..000000000 --- a/packages/migrations/artifacts/2.0.0-mainnet/DummyERC20Token.json +++ /dev/null @@ -1,641 +0,0 @@ -{ - "schemaVersion": "2.0.0", - "contractName": "DummyERC20Token", - "compilerOutput": { - "abi": [ - { - "constant": true, - "inputs": [], - "name": "name", - "outputs": [ - { - "name": "", - "type": "string" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "_spender", - "type": "address" - }, - { - "name": "_value", - "type": "uint256" - } - ], - "name": "approve", - "outputs": [ - { - "name": "", - "type": "bool" - } - ], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": true, - "inputs": [], - "name": "totalSupply", - "outputs": [ - { - "name": "", - "type": "uint256" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "_from", - "type": "address" - }, - { - "name": "_to", - "type": "address" - }, - { - "name": "_value", - "type": "uint256" - } - ], - "name": "transferFrom", - "outputs": [ - { - "name": "", - "type": "bool" - } - ], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": true, - "inputs": [], - "name": "decimals", - "outputs": [ - { - "name": "", - "type": "uint256" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "_owner", - "type": "address" - } - ], - "name": "balanceOf", - "outputs": [ - { - "name": "", - "type": "uint256" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [], - "name": "owner", - "outputs": [ - { - "name": "", - "type": "address" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [], - "name": "symbol", - "outputs": [ - { - "name": "", - "type": "string" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "_value", - "type": "uint256" - } - ], - "name": "mint", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "_to", - "type": "address" - }, - { - "name": "_value", - "type": "uint256" - } - ], - "name": "transfer", - "outputs": [ - { - "name": "", - "type": "bool" - } - ], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "_owner", - "type": "address" - }, - { - "name": "_spender", - "type": "address" - } - ], - "name": "allowance", - "outputs": [ - { - "name": "", - "type": "uint256" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "_target", - "type": "address" - }, - { - "name": "_value", - "type": "uint256" - } - ], - "name": "setBalance", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "newOwner", - "type": "address" - } - ], - "name": "transferOwnership", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": true, - "inputs": [], - "name": "MAX_MINT_AMOUNT", - "outputs": [ - { - "name": "", - "type": "uint256" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "inputs": [ - { - "name": "_name", - "type": "string" - }, - { - "name": "_symbol", - "type": "string" - }, - { - "name": "_decimals", - "type": "uint256" - }, - { - "name": "_totalSupply", - "type": "uint256" - } - ], - "payable": false, - "stateMutability": "nonpayable", - "type": "constructor" - }, - { - "anonymous": false, - "inputs": [ - { - "indexed": true, - "name": "_from", - "type": "address" - }, - { - "indexed": true, - "name": "_to", - "type": "address" - }, - { - "indexed": false, - "name": "_value", - "type": "uint256" - } - ], - "name": 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PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x8B4 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2EE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1B8 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0xA43 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x322 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2AF PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0xA7B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x353 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2AF PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0xB91 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x381 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1B8 PUSH2 0xC78 JUMP JUMPDEST PUSH1 0x4 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x42E JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x403 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x42E JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x411 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP DUP2 JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP1 DUP6 MSTORE SWAP1 DUP4 MSTORE DUP2 DUP5 KECCAK256 DUP7 SWAP1 SSTORE DUP2 MLOAD DUP7 DUP2 MSTORE SWAP2 MLOAD SWAP4 SWAP5 SWAP1 SWAP4 SWAP1 SWAP3 PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 SWAP3 DUP3 SWAP1 SUB ADD SWAP1 LOG3 POP PUSH1 0x1 SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x3 SLOAD SWAP1 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP5 MSTORE DUP3 MSTORE DUP1 DUP4 KECCAK256 SLOAD SWAP4 DUP4 MSTORE PUSH1 0x1 SWAP1 SWAP2 MSTORE DUP2 KECCAK256 SLOAD SWAP1 SWAP2 SWAP1 DUP4 GT ISZERO PUSH2 0x55C JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1A PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x45524332305F494E53554646494349454E545F42414C414E4345000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST DUP3 DUP2 LT ISZERO PUSH2 0x5CB JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1C PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x45524332305F494E53554646494349454E545F414C4C4F57414E434500000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP4 DUP2 ADD LT ISZERO PUSH2 0x661 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP6 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD DUP8 ADD SWAP1 SSTORE SWAP2 DUP8 AND DUP2 MSTORE KECCAK256 DUP1 SLOAD DUP5 SWAP1 SUB SWAP1 SSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 LT ISZERO PUSH2 0x6FB JUMPI PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP6 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP5 MSTORE SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 DUP1 SLOAD DUP5 SWAP1 SUB SWAP1 SSTORE JUMPDEST DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF DUP6 PUSH1 0x40 MLOAD DUP1 DUP3 DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 POP PUSH1 0x1 SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x6 SLOAD DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD SWAP1 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x5 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x42E JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x403 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x42E JUMP JUMPDEST PUSH10 0x21E19E0C9BAB2400000 DUP2 GT ISZERO PUSH2 0x8A7 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0xF PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x56414C55455F544F4F5F4C415247450000000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH2 0x8B1 CALLER DUP3 PUSH2 0xC86 JUMP JUMPDEST POP JUMP JUMPDEST CALLER PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 SLOAD DUP3 GT ISZERO PUSH2 0x932 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1A PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x45524332305F494E53554646494349454E545F42414C414E4345000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP3 DUP2 ADD LT ISZERO PUSH2 0x9C8 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 DUP1 SLOAD DUP8 SWAP1 SUB SWAP1 SSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP1 DUP5 MSTORE SWAP3 DUP2 SWAP1 KECCAK256 DUP1 SLOAD DUP8 ADD SWAP1 SSTORE DUP1 MLOAD DUP7 DUP2 MSTORE SWAP1 MLOAD SWAP3 SWAP4 SWAP3 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP3 SWAP2 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP PUSH1 0x1 SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP2 DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP4 SWAP1 SWAP5 AND DUP3 MSTORE SWAP2 SWAP1 SWAP2 MSTORE KECCAK256 SLOAD SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xB02 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP1 DUP3 LT ISZERO PUSH2 0xB4E JUMPI PUSH2 0xB46 PUSH1 0x3 SLOAD PUSH2 0xB41 DUP4 DUP6 PUSH2 0xD3F JUMP JUMPDEST PUSH2 0xD3F JUMP JUMPDEST PUSH1 0x3 SSTORE PUSH2 0xB67 JUMP JUMPDEST PUSH2 0xB63 PUSH1 0x3 SLOAD PUSH2 0xB5E DUP5 DUP5 PUSH2 0xD3F JUMP JUMPDEST PUSH2 0xDB6 JUMP JUMPDEST PUSH1 0x3 SSTORE JUMPDEST POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SSTORE JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xC17 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0x8B1 JUMPI PUSH1 0x0 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 SWAP1 SWAP2 AND OR SWAP1 SSTORE POP JUMP JUMPDEST PUSH10 0x21E19E0C9BAB2400000 DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH2 0xCB7 SWAP1 DUP3 SWAP1 PUSH2 0xDB6 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SSTORE PUSH1 0x3 SLOAD PUSH2 0xCEA SWAP1 DUP3 PUSH2 0xDB6 JUMP JUMPDEST PUSH1 0x3 SSTORE PUSH1 0x40 DUP1 MLOAD DUP3 DUP2 MSTORE SWAP1 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND SWAP2 PUSH1 0x0 SWAP2 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP2 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 LOG3 POP POP JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 GT ISZERO PUSH2 0xDB0 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F554E444552464C4F57000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP SWAP1 SUB SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 ADD DUP4 DUP2 LT ISZERO PUSH2 0xE2A JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST SWAP4 SWAP3 POP POP POP JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 0xbf ISZERO 0xf8 0xb1 JUMPI DIV PUSH27 0x3248E2C7BF50AD7DD5D360D0BB36A780E3BAD9229FC4BAD5D20029 ", - "sourceMap": 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- "opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0xCF JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x6FDDE03 DUP2 EQ PUSH2 0xD4 JUMPI DUP1 PUSH4 0x95EA7B3 EQ PUSH2 0x15E JUMPI DUP1 PUSH4 0x18160DDD EQ PUSH2 0x1A3 JUMPI DUP1 PUSH4 0x23B872DD EQ PUSH2 0x1CA JUMPI DUP1 PUSH4 0x313CE567 EQ PUSH2 0x201 JUMPI DUP1 PUSH4 0x70A08231 EQ PUSH2 0x216 JUMPI DUP1 PUSH4 0x8DA5CB5B EQ PUSH2 0x244 JUMPI DUP1 PUSH4 0x95D89B41 EQ PUSH2 0x282 JUMPI DUP1 PUSH4 0xA0712D68 EQ PUSH2 0x297 JUMPI DUP1 PUSH4 0xA9059CBB EQ PUSH2 0x2B1 JUMPI DUP1 PUSH4 0xDD62ED3E EQ PUSH2 0x2E2 JUMPI DUP1 PUSH4 0xE30443BC EQ PUSH2 0x316 JUMPI DUP1 PUSH4 0xF2FDE38B EQ PUSH2 0x347 JUMPI DUP1 PUSH4 0xFA9B7018 EQ PUSH2 0x375 JUMPI JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xE0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xE9 PUSH2 0x38A JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 ADD SWAP1 DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x123 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x10B JUMP JUMPDEST POP POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x150 JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x16A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x18F PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x436 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1AF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1B8 PUSH2 0x4A9 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1D6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x18F PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x4AF JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x20D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1B8 PUSH2 0x76B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x222 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1B8 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x771 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x250 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x259 PUSH2 0x799 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x28E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xE9 PUSH2 0x7B5 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2A3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2AF PUSH1 0x4 CALLDATALOAD PUSH2 0x82E JUMP JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2BD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x18F PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x8B4 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2EE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1B8 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0xA43 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x322 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2AF PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0xA7B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x353 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2AF PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0xB91 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x381 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1B8 PUSH2 0xC78 JUMP JUMPDEST PUSH1 0x4 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x42E JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x403 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x42E JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x411 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP DUP2 JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP1 DUP6 MSTORE SWAP1 DUP4 MSTORE DUP2 DUP5 KECCAK256 DUP7 SWAP1 SSTORE DUP2 MLOAD DUP7 DUP2 MSTORE SWAP2 MLOAD SWAP4 SWAP5 SWAP1 SWAP4 SWAP1 SWAP3 PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 SWAP3 DUP3 SWAP1 SUB ADD SWAP1 LOG3 POP PUSH1 0x1 SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x3 SLOAD SWAP1 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP5 MSTORE DUP3 MSTORE DUP1 DUP4 KECCAK256 SLOAD SWAP4 DUP4 MSTORE PUSH1 0x1 SWAP1 SWAP2 MSTORE DUP2 KECCAK256 SLOAD SWAP1 SWAP2 SWAP1 DUP4 GT ISZERO PUSH2 0x55C JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1A PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x45524332305F494E53554646494349454E545F42414C414E4345000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST DUP3 DUP2 LT ISZERO PUSH2 0x5CB JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1C PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x45524332305F494E53554646494349454E545F414C4C4F57414E434500000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP4 DUP2 ADD LT ISZERO PUSH2 0x661 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP6 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD DUP8 ADD SWAP1 SSTORE SWAP2 DUP8 AND DUP2 MSTORE KECCAK256 DUP1 SLOAD DUP5 SWAP1 SUB SWAP1 SSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 LT ISZERO PUSH2 0x6FB JUMPI PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP6 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP5 MSTORE SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 DUP1 SLOAD DUP5 SWAP1 SUB SWAP1 SSTORE JUMPDEST DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF DUP6 PUSH1 0x40 MLOAD DUP1 DUP3 DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 POP PUSH1 0x1 SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x6 SLOAD DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD SWAP1 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x5 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x42E JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x403 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x42E JUMP JUMPDEST PUSH10 0x21E19E0C9BAB2400000 DUP2 GT ISZERO PUSH2 0x8A7 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0xF PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x56414C55455F544F4F5F4C415247450000000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH2 0x8B1 CALLER DUP3 PUSH2 0xC86 JUMP JUMPDEST POP JUMP JUMPDEST CALLER PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 SLOAD DUP3 GT ISZERO PUSH2 0x932 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1A PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x45524332305F494E53554646494349454E545F42414C414E4345000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP3 DUP2 ADD LT ISZERO PUSH2 0x9C8 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 DUP1 SLOAD DUP8 SWAP1 SUB SWAP1 SSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP1 DUP5 MSTORE SWAP3 DUP2 SWAP1 KECCAK256 DUP1 SLOAD DUP8 ADD SWAP1 SSTORE DUP1 MLOAD DUP7 DUP2 MSTORE SWAP1 MLOAD SWAP3 SWAP4 SWAP3 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP3 SWAP2 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP PUSH1 0x1 SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP2 DUP3 AND PUSH1 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- } - } - }, - "sources": { - "2.0.0/extensions/Forwarder/Forwarder.sol": { - "id": 0 - }, - "2.0.0/extensions/Forwarder/MixinAssets.sol": { - "id": 1 - }, - "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": { - "id": 2 - }, - "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": { - "id": 3 - }, - "2.0.0/extensions/Forwarder/MixinWeth.sol": { - "id": 4 - }, - "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": { - "id": 5 - }, - "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": { - "id": 6 - }, - "2.0.0/extensions/Forwarder/libs/LibConstants.sol": { - "id": 7 - }, - "2.0.0/extensions/Forwarder/mixins/MAssets.sol": { - "id": 8 - }, - "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": { - "id": 9 - }, - "2.0.0/extensions/Forwarder/mixins/MWeth.sol": { - "id": 10 - }, - "2.0.0/extensions/OrderValidator/OrderValidator.sol": { - "id": 11 - }, - "2.0.0/multisig/MultiSigWallet.sol": { - "id": 12 - }, - "2.0.0/multisig/MultiSigWalletWithTimeLock.sol": { - "id": 13 - }, - "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": { - "id": 14 - }, - "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": { - "id": 15 - }, - "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": { - "id": 16 - }, - "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": { - "id": 17 - }, - "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": { - "id": 18 - }, - "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": { - "id": 19 - }, - "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": { - "id": 20 - }, - "2.0.0/protocol/Exchange/Exchange.sol": { - "id": 21 - }, - "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": { - "id": 22 - }, - "2.0.0/protocol/Exchange/MixinExchangeCore.sol": { - "id": 23 - }, - "2.0.0/protocol/Exchange/MixinMatchOrders.sol": { - "id": 24 - }, - "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": { - "id": 25 - }, - "2.0.0/protocol/Exchange/MixinTransactions.sol": { - "id": 26 - }, - "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": { - "id": 27 - }, - "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": { - "id": 28 - }, - "2.0.0/protocol/Exchange/interfaces/IExchange.sol": { - "id": 29 - }, - "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": { - "id": 30 - }, - "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": { - "id": 31 - }, - "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": { - "id": 32 - }, - "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": { - "id": 33 - }, - "2.0.0/protocol/Exchange/interfaces/IValidator.sol": { - "id": 34 - }, - "2.0.0/protocol/Exchange/interfaces/IWallet.sol": { - "id": 35 - }, - "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": { - "id": 36 - }, - "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": { - "id": 37 - }, - "2.0.0/protocol/Exchange/libs/LibConstants.sol": { - "id": 38 - }, - "2.0.0/protocol/Exchange/libs/LibEIP712.sol": { - "id": 39 - }, - "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": { - "id": 40 - }, - "2.0.0/protocol/Exchange/libs/LibFillResults.sol": { - "id": 41 - }, - "2.0.0/protocol/Exchange/libs/LibMath.sol": { - "id": 42 - }, - "2.0.0/protocol/Exchange/libs/LibOrder.sol": { - "id": 43 - }, - "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": { - "id": 44 - }, - "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": { - "id": 45 - }, - "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": { - "id": 46 - }, - "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": { - "id": 47 - }, - "2.0.0/protocol/Exchange/mixins/MTransactions.sol": { - "id": 48 - }, - "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": { - "id": 49 - }, - "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": { - "id": 50 - }, - "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": { - "id": 51 - }, - "2.0.0/tokens/ERC20Token/ERC20Token.sol": { - "id": 52 - }, - "2.0.0/tokens/ERC20Token/IERC20Token.sol": { - "id": 53 - }, - "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": { - "id": 54 - }, - "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": { - "id": 55 - }, - "2.0.0/tokens/ERC721Token/ERC721Token.sol": { - "id": 56 - }, - "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": { - "id": 57 - }, - "2.0.0/tokens/ERC721Token/IERC721Token.sol": { - "id": 58 - }, - "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": { - "id": 59 - }, - "2.0.0/tokens/EtherToken/IEtherToken.sol": { - "id": 60 - }, - "2.0.0/utils/LibBytes/LibBytes.sol": { - "id": 61 - }, - "2.0.0/utils/Ownable/IOwnable.sol": { - "id": 62 - }, - "2.0.0/utils/Ownable/Ownable.sol": { - "id": 63 - }, - "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": { - "id": 64 - }, - "2.0.0/utils/SafeMath/SafeMath.sol": { - "id": 65 - } - }, - "sourceCodes": { - "2.0.0/extensions/Forwarder/Forwarder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinWeth.sol\";\nimport \"./MixinForwarderCore.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinAssets.sol\";\nimport \"./MixinExchangeWrapper.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Forwarder is\n LibConstants,\n MixinWeth,\n MixinAssets,\n MixinExchangeWrapper,\n MixinForwarderCore\n{\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n LibConstants(\n _exchange,\n _zrxAssetData,\n _wethAssetData\n )\n MixinForwarderCore()\n {}\n}\n", - "2.0.0/extensions/Forwarder/MixinAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MAssets.sol\";\n\n\ncontract MixinAssets is\n Ownable,\n LibConstants,\n MAssets\n{\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256(\"transfer(address,uint256)\"));\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external\n onlyOwner\n {\n transferAssetToSender(assetData, amount);\n }\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n bytes4 proxyId = assetData.readBytes4(0);\n\n if (proxyId == ERC20_DATA_ID) {\n transferERC20Token(assetData, amount);\n } else if (proxyId == ERC721_DATA_ID) {\n transferERC721Token(assetData, amount);\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n }\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n address token = assetData.readAddress(16);\n\n // Transfer tokens.\n // We do a raw call so we can check the success separate\n // from the return data.\n bool success = token.call(abi.encodeWithSelector(\n ERC20_TRANSFER_SELECTOR,\n msg.sender,\n amount\n ));\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n \n // Check return data.\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // value that evaluates to true.\n assembly {\n if returndatasize {\n success := 0\n if eq(returndatasize, 32) {\n // First 64 bytes of memory are reserved scratch space\n returndatacopy(0, 0, 32)\n success := mload(0)\n }\n }\n }\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n }\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n require(\n amount == 1,\n \"INVALID_AMOUNT\"\n );\n // Decode asset data.\n address token = assetData.readAddress(16);\n uint256 tokenId = assetData.readUint256(36);\n\n // Perform transfer.\n IERC721Token(token).transferFrom(\n address(this),\n msg.sender,\n tokenId\n );\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"../../protocol/Exchange/libs/LibAbiEncoder.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinExchangeWrapper is\n LibAbiEncoder,\n LibFillResults,\n LibMath,\n LibConstants,\n MExchangeWrapper\n{\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n address exchange = address(EXCHANGE);\n\n // Call `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := call(\n gas, // forward all gas\n exchange, // call address of Exchange contract\n 0, // transfer 0 wei\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of WETH to sell\n uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of WETH\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount;\n if (makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n\n require(\n makerAssetFilledAmount >= makerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n // Do nothing if zrxBuyAmount == 0\n if (zrxBuyAmount == 0) {\n return totalFillResults;\n }\n\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n uint256 zrxPurchased = 0;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // All of these are ZRX/WETH, so we can drop the respective assetData from calldata.\n orders[i].makerAssetData = zrxAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of ZRX to buy.\n uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased);\n\n // Convert the remaining amount of ZRX to buy into remaining amount\n // of WETH to sell, assuming entire amount can be sold in the current order.\n uint256 remainingWethSellAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees \n remainingZrxBuyAmount\n );\n\n // Attempt to sell the remaining amount of WETH.\n FillResults memory singleFillResult = fillOrderNoThrow(\n orders[i],\n safeAdd(remainingWethSellAmount, 1), // we add 1 wei to the fill amount to make up for rounding errors\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker.\n addFillResults(totalFillResults, singleFillResult);\n zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid);\n\n // Stop execution if the entire amount of ZRX has been bought.\n if (zrxPurchased >= zrxBuyAmount) {\n break;\n }\n }\n\n require(\n zrxPurchased >= zrxBuyAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\nimport \"./mixins/MAssets.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"./interfaces/IForwarderCore.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinForwarderCore is\n LibFillResults,\n LibMath,\n LibConstants,\n MWeth,\n MAssets,\n MExchangeWrapper,\n IForwarderCore\n{\n using LibBytes for bytes;\n\n /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf.\n constructor ()\n public\n {\n address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID);\n require(\n proxyAddress != address(0),\n \"UNREGISTERED_ASSET_PROXY\"\n );\n ETHER_TOKEN.approve(proxyAddress, MAX_UINT);\n ZRX_TOKEN.approve(proxyAddress, MAX_UINT);\n }\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 wethSellAmount;\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // Calculate amount of WETH that won't be spent on ETH fees.\n wethSellAmount = getPartialAmountFloor(\n PERCENTAGE_DENOMINATOR,\n safeAdd(PERCENTAGE_DENOMINATOR, feePercentage),\n msg.value\n );\n // Market sell available WETH.\n // ZRX fees are paid with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // 5% of WETH is reserved for filling feeOrders and paying feeRecipient.\n wethSellAmount = getPartialAmountFloor(\n MAX_WETH_FILL_PERCENTAGE,\n PERCENTAGE_DENOMINATOR,\n msg.value\n );\n // Market sell 95% of WETH.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // If the makerAsset is ZRX, it is not necessary to pay fees out of this\n // contracts's ZRX balance because fees are factored into the price of the order.\n orderFillResults = marketBuyExactZrxWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // Attemp to purchase desired amount of makerAsset.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketBuyExactAmountWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\n\n\ncontract MixinWeth is\n LibMath,\n LibConstants,\n MWeth\n{\n /// @dev Default payabale function, this allows us to withdraw WETH\n function ()\n public\n payable\n {\n require(\n msg.sender == address(ETHER_TOKEN),\n \"DEFAULT_FUNCTION_WETH_CONTRACT_ONLY\"\n );\n }\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal\n {\n require(\n msg.value > 0,\n \"INVALID_MSG_VALUE\"\n );\n ETHER_TOKEN.deposit.value(msg.value)();\n }\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal\n {\n // Ensure feePercentage is less than 5%.\n require(\n feePercentage <= MAX_FEE_PERCENTAGE,\n \"FEE_PERCENTAGE_TOO_LARGE\"\n );\n\n // Ensure that no extra WETH owned by this contract has been sold.\n uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx);\n require(\n wethSold <= msg.value,\n \"OVERSOLD_WETH\"\n );\n\n // Calculate amount of WETH that hasn't been sold.\n uint256 wethRemaining = safeSub(msg.value, wethSold);\n\n // Calculate ETH fee to pay to feeRecipient.\n uint256 ethFee = getPartialAmountFloor(\n feePercentage,\n PERCENTAGE_DENOMINATOR,\n wethSoldExcludingFeeOrders\n );\n\n // Ensure fee is less than amount of WETH remaining.\n require(\n ethFee <= wethRemaining,\n \"INSUFFICIENT_ETH_REMAINING\"\n );\n \n // Do nothing if no WETH remaining\n if (wethRemaining > 0) {\n // Convert remaining WETH to ETH\n ETHER_TOKEN.withdraw(wethRemaining);\n\n // Pay ETH to feeRecipient\n if (ethFee > 0) {\n feeRecipient.transfer(ethFee);\n }\n\n // Refund remaining ETH to msg.sender.\n uint256 ethRefund = safeSub(wethRemaining, ethFee);\n if (ethRefund > 0) {\n msg.sender.transfer(ethRefund);\n }\n }\n }\n}\n", - "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssets {\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external;\n}\n", - "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract IForwarderCore {\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n}\n", - "2.0.0/extensions/Forwarder/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/LibBytes/LibBytes.sol\";\nimport \"../../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../../tokens/EtherToken/IEtherToken.sol\";\nimport \"../../../tokens/ERC20Token/IERC20Token.sol\";\n\n\ncontract LibConstants {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n uint256 constant internal MAX_UINT = 2**256 - 1;\n uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; \n uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5%\n uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95%\n \n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n IEtherToken internal ETHER_TOKEN;\n IERC20Token internal ZRX_TOKEN;\n bytes internal ZRX_ASSET_DATA;\n bytes internal WETH_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n WETH_ASSET_DATA = _wethAssetData;\n\n address etherToken = _wethAssetData.readAddress(16);\n address zrxToken = _zrxAssetData.readAddress(16);\n ETHER_TOKEN = IEtherToken(etherToken);\n ZRX_TOKEN = IERC20Token(zrxToken);\n }\n}\n", - "2.0.0/extensions/Forwarder/mixins/MAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssets.sol\";\n\n\ncontract MAssets is\n IAssets\n{\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n}\n", - "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract MExchangeWrapper {\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n}\n", - "2.0.0/extensions/Forwarder/mixins/MWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract MWeth {\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal;\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal;\n}\n", - "2.0.0/extensions/OrderValidator/OrderValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract OrderValidator {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n struct TraderInfo {\n uint256 makerBalance; // Maker's balance of makerAsset\n uint256 makerAllowance; // Maker's allowance to corresponding AssetProxy\n uint256 takerBalance; // Taker's balance of takerAsset\n uint256 takerAllowance; // Taker's allowance to corresponding AssetProxy\n uint256 makerZrxBalance; // Maker's balance of ZRX\n uint256 makerZrxAllowance; // Maker's allowance of ZRX to ERC20Proxy\n uint256 takerZrxBalance; // Taker's balance of ZRX\n uint256 takerZrxAllowance; // Taker's allowance of ZRX to ERC20Proxy\n }\n\n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n bytes internal ZRX_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (address _exchange, bytes memory _zrxAssetData)\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n }\n\n /// @dev Fetches information for order and maker/taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return OrderInfo and TraderInfo instances for given order.\n function getOrderAndTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo, TraderInfo memory traderInfo)\n {\n orderInfo = EXCHANGE.getOrderInfo(order);\n traderInfo = getTraderInfo(order, takerAddress);\n return (orderInfo, traderInfo);\n }\n\n /// @dev Fetches information for all passed in orders and the makers/takers of each order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Arrays of OrderInfo and TraderInfo instances that correspond to each order.\n function getOrdersAndTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (LibOrder.OrderInfo[] memory ordersInfo, TraderInfo[] memory tradersInfo)\n {\n ordersInfo = EXCHANGE.getOrdersInfo(orders);\n tradersInfo = getTradersInfo(orders, takerAddresses);\n return (ordersInfo, tradersInfo);\n }\n\n /// @dev Fetches balance and allowances for maker and taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return Balances and allowances of maker and taker of order.\n function getTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (TraderInfo memory traderInfo)\n {\n (traderInfo.makerBalance, traderInfo.makerAllowance) = getBalanceAndAllowance(order.makerAddress, order.makerAssetData);\n (traderInfo.takerBalance, traderInfo.takerAllowance) = getBalanceAndAllowance(takerAddress, order.takerAssetData);\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n (traderInfo.makerZrxBalance, traderInfo.makerZrxAllowance) = getBalanceAndAllowance(order.makerAddress, zrxAssetData);\n (traderInfo.takerZrxBalance, traderInfo.takerZrxAllowance) = getBalanceAndAllowance(takerAddress, zrxAssetData);\n return traderInfo;\n }\n\n /// @dev Fetches balances and allowances of maker and taker for each provided order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Array of balances and allowances for maker and taker of each order.\n function getTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (TraderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n TraderInfo[] memory tradersInfo = new TraderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n tradersInfo[i] = getTraderInfo(orders[i], takerAddresses[i]);\n }\n return tradersInfo;\n }\n\n /// @dev Fetches token balances and allowances of an address to given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Encoded data that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balance of asset and allowance set to given proxy of asset.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalanceAndAllowance(address target, bytes memory assetData)\n public\n view\n returns (uint256 balance, uint256 allowance)\n {\n bytes4 assetProxyId = assetData.readBytes4(0);\n address token = assetData.readAddress(16);\n address assetProxy = EXCHANGE.getAssetProxy(assetProxyId);\n\n if (assetProxyId == ERC20_DATA_ID) {\n // Query balance\n balance = IERC20Token(token).balanceOf(target);\n\n // Query allowance\n allowance = IERC20Token(token).allowance(target, assetProxy);\n } else if (assetProxyId == ERC721_DATA_ID) {\n uint256 tokenId = assetData.readUint256(36);\n\n // Query owner of tokenId\n address owner = getERC721TokenOwner(token, tokenId);\n\n // Set balance to 1 if tokenId is owned by target\n balance = target == owner ? 1 : 0;\n\n // Check if ERC721Proxy is approved to spend tokenId\n bool isApproved = IERC721Token(token).isApprovedForAll(target, assetProxy) || IERC721Token(token).getApproved(tokenId) == assetProxy;\n \n // Set alowance to 1 if ERC721Proxy is approved to spend tokenId\n allowance = isApproved ? 1 : 0;\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n return (balance, allowance);\n }\n\n /// @dev Fetches token balances and allowances of an address for each given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Array of encoded byte arrays that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balances and allowances of assets.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalancesAndAllowances(address target, bytes[] memory assetData)\n public\n view\n returns (uint256[] memory, uint256[] memory)\n {\n uint256 length = assetData.length;\n uint256[] memory balances = new uint256[](length);\n uint256[] memory allowances = new uint256[](length);\n for (uint256 i = 0; i != length; i++) {\n (balances[i], allowances[i]) = getBalanceAndAllowance(target, assetData[i]);\n }\n return (balances, allowances);\n }\n\n /// @dev Calls `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token.\n /// @param token Address of ERC721 token.\n /// @param tokenId The identifier for the specific NFT.\n /// @return Owner of tokenId or null address if unowned.\n function getERC721TokenOwner(address token, uint256 tokenId)\n public\n view\n returns (address owner)\n {\n assembly {\n // load free memory pointer\n let cdStart := mload(64)\n\n // bytes4(keccak256(ownerOf(uint256))) = 0x6352211e\n mstore(cdStart, 0x6352211e00000000000000000000000000000000000000000000000000000000)\n mstore(add(cdStart, 4), tokenId)\n\n // staticcall `ownerOf(tokenId)`\n // `ownerOf` will revert if tokenId is not owned\n let success := staticcall(\n gas, // forward all gas\n token, // call token contract\n cdStart, // start of calldata\n 36, // length of input is 36 bytes\n cdStart, // write output over input\n 32 // size of output is 32 bytes\n )\n\n // Success implies that tokenId is owned\n // Copy owner from return data if successful\n if success {\n owner := mload(cdStart)\n } \n }\n\n // Owner initialized to address(0), no need to modify if call is unsuccessful\n return owner;\n }\n}\n", - "2.0.0/multisig/MultiSigWallet.sol": "// solhint-disable\npragma solidity ^0.4.15;\n\n\n/// @title Multisignature wallet - Allows multiple parties to agree on transactions before execution.\n/// @author Stefan George - \ncontract MultiSigWallet {\n\n /*\n * Events\n */\n event Confirmation(address indexed sender, uint indexed transactionId);\n event Revocation(address indexed sender, uint indexed transactionId);\n event Submission(uint indexed transactionId);\n event Execution(uint indexed transactionId);\n event ExecutionFailure(uint indexed transactionId);\n event Deposit(address indexed sender, uint value);\n event OwnerAddition(address indexed owner);\n event OwnerRemoval(address indexed owner);\n event RequirementChange(uint required);\n\n /*\n * Constants\n */\n uint constant public MAX_OWNER_COUNT = 50;\n\n /*\n * Storage\n */\n mapping (uint => Transaction) public transactions;\n mapping (uint => mapping (address => bool)) public confirmations;\n mapping (address => bool) public isOwner;\n address[] public owners;\n uint public required;\n uint public transactionCount;\n\n struct Transaction {\n address destination;\n uint value;\n bytes data;\n bool executed;\n }\n\n /*\n * Modifiers\n */\n modifier onlyWallet() {\n require(msg.sender == address(this));\n _;\n }\n\n modifier ownerDoesNotExist(address owner) {\n require(!isOwner[owner]);\n _;\n }\n\n modifier ownerExists(address owner) {\n require(isOwner[owner]);\n _;\n }\n\n modifier transactionExists(uint transactionId) {\n require(transactions[transactionId].destination != 0);\n _;\n }\n\n modifier confirmed(uint transactionId, address owner) {\n require(confirmations[transactionId][owner]);\n _;\n }\n\n modifier notConfirmed(uint transactionId, address owner) {\n require(!confirmations[transactionId][owner]);\n _;\n }\n\n modifier notExecuted(uint transactionId) {\n require(!transactions[transactionId].executed);\n _;\n }\n\n modifier notNull(address _address) {\n require(_address != 0);\n _;\n }\n\n modifier validRequirement(uint ownerCount, uint _required) {\n require(ownerCount <= MAX_OWNER_COUNT\n && _required <= ownerCount\n && _required != 0\n && ownerCount != 0);\n _;\n }\n\n /// @dev Fallback function allows to deposit ether.\n function()\n payable\n {\n if (msg.value > 0)\n Deposit(msg.sender, msg.value);\n }\n\n /*\n * Public functions\n */\n /// @dev Contract constructor sets initial owners and required number of confirmations.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n function MultiSigWallet(address[] _owners, uint _required)\n public\n validRequirement(_owners.length, _required)\n {\n for (uint i=0; i<_owners.length; i++) {\n require(!isOwner[_owners[i]] && _owners[i] != 0);\n isOwner[_owners[i]] = true;\n }\n owners = _owners;\n required = _required;\n }\n\n /// @dev Allows to add a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of new owner.\n function addOwner(address owner)\n public\n onlyWallet\n ownerDoesNotExist(owner)\n notNull(owner)\n validRequirement(owners.length + 1, required)\n {\n isOwner[owner] = true;\n owners.push(owner);\n OwnerAddition(owner);\n }\n\n /// @dev Allows to remove an owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner.\n function removeOwner(address owner)\n public\n onlyWallet\n ownerExists(owner)\n {\n isOwner[owner] = false;\n for (uint i=0; i owners.length)\n changeRequirement(owners.length);\n OwnerRemoval(owner);\n }\n\n /// @dev Allows to replace an owner with a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner to be replaced.\n /// @param newOwner Address of new owner.\n function replaceOwner(address owner, address newOwner)\n public\n onlyWallet\n ownerExists(owner)\n ownerDoesNotExist(newOwner)\n {\n for (uint i=0; i\n// solhint-disable not-rely-on-time\ncontract MultiSigWalletWithTimeLock is\n MultiSigWallet\n{\n event ConfirmationTimeSet(uint256 indexed transactionId, uint256 confirmationTime);\n event TimeLockChange(uint256 secondsTimeLocked);\n\n uint256 public secondsTimeLocked;\n\n mapping (uint256 => uint256) public confirmationTimes;\n\n modifier notFullyConfirmed(uint256 transactionId) {\n require(\n !isConfirmed(transactionId),\n \"TX_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier fullyConfirmed(uint256 transactionId) {\n require(\n isConfirmed(transactionId),\n \"TX_NOT_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier pastTimeLock(uint256 transactionId) {\n require(\n block.timestamp >= confirmationTimes[transactionId] + secondsTimeLocked,\n \"TIME_LOCK_INCOMPLETE\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations, and time lock.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] _owners,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWallet(_owners, _required)\n {\n secondsTimeLocked = _secondsTimeLocked;\n }\n\n /// @dev Changes the duration of the time lock for transactions.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n function changeTimeLock(uint256 _secondsTimeLocked)\n public\n onlyWallet\n {\n secondsTimeLocked = _secondsTimeLocked;\n emit TimeLockChange(_secondsTimeLocked);\n }\n\n /// @dev Allows an owner to confirm a transaction.\n /// @param transactionId Transaction ID.\n function confirmTransaction(uint256 transactionId)\n public\n ownerExists(msg.sender)\n transactionExists(transactionId)\n notConfirmed(transactionId, msg.sender)\n notFullyConfirmed(transactionId)\n {\n confirmations[transactionId][msg.sender] = true;\n emit Confirmation(msg.sender, transactionId);\n if (isConfirmed(transactionId)) {\n setConfirmationTime(transactionId, block.timestamp);\n }\n }\n\n /// @dev Allows anyone to execute a confirmed transaction.\n /// @param transactionId Transaction ID.\n function executeTransaction(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n pastTimeLock(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n\n /// @dev Sets the time of when a submission first passed.\n function setConfirmationTime(uint256 transactionId, uint256 confirmationTime)\n internal\n {\n confirmationTimes[transactionId] = confirmationTime;\n emit ConfirmationTimeSet(transactionId, confirmationTime);\n }\n}\n", - "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC20Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n \n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 1 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n\n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. amount |\n\n /////// Read token address from calldata ///////\n // * The token address is stored in `assetData`.\n //\n // * The \"offset to assetData\" is stored at offset 4 in the calldata (table 1).\n // [assetDataOffsetFromParams = calldataload(4)]\n //\n // * Notes that the \"offset to assetData\" is relative to the \"Params\" area of calldata;\n // add 4 bytes to account for the length of the \"Header\" area (table 1).\n // [assetDataOffsetFromHeader = assetDataOffsetFromParams + 4]\n //\n // * The \"token address\" is offset 32+4=36 bytes into \"assetData\" (tables 1 & 2).\n // [tokenOffset = assetDataOffsetFromHeader + 36 = calldataload(4) + 4 + 36]\n let token := calldataload(add(calldataload(4), 40))\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from`, `to` and `amount` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 96)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output over input\n 32 // output size should be 32 bytes\n )\n\n /////// Check return data. ///////\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // nonzero 32 bytes value.\n // So the transfer succeeded if the call succeeded and either\n // returned nothing, or returned a non-zero 32 byte value. \n success := and(success, or(\n iszero(returndatasize),\n and(\n eq(returndatasize, 32),\n gt(mload(0), 0)\n )\n ))\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", - "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC721Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 2 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n // | | 36 | | 2. tokenId |\n \n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. tokenId |\n\n // There exists only 1 of each token.\n // require(amount == 1, \"INVALID_AMOUNT\")\n if sub(calldataload(100), 1) {\n // Revert with `Error(\"INVALID_AMOUNT\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from` and `to` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 64)\n\n // Copy `tokenId` field from our own calldata to the new calldata.\n let assetDataOffset := calldataload(4)\n calldatacopy(68, add(assetDataOffset, 72), 32)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let token := calldataload(add(assetDataOffset, 40))\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output to null\n 0 // output size is 0 bytes\n )\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", - "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAuthorizable.sol\";\n\n\ncontract MixinAuthorizable is\n Ownable,\n MAuthorizable\n{\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized {\n require(\n authorized[msg.sender],\n \"SENDER_NOT_AUTHORIZED\"\n );\n _;\n }\n\n mapping (address => bool) public authorized;\n address[] public authorities;\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n !authorized[target],\n \"TARGET_ALREADY_AUTHORIZED\"\n );\n\n authorized[target] = true;\n authorities.push(target);\n emit AuthorizedAddressAdded(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n\n delete authorized[target];\n for (uint256 i = 0; i < authorities.length; i++) {\n if (authorities[i] == target) {\n authorities[i] = authorities[authorities.length - 1];\n authorities.length -= 1;\n break;\n }\n }\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n require(\n index < authorities.length,\n \"INDEX_OUT_OF_BOUNDS\"\n );\n require(\n authorities[index] == target,\n \"AUTHORIZED_ADDRESS_MISMATCH\"\n );\n\n delete authorized[target];\n authorities[index] = authorities[authorities.length - 1];\n authorities.length -= 1;\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory)\n {\n return authorities;\n }\n}\n", - "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IAuthorizable.sol\";\n\n\ncontract IAssetProxy is\n IAuthorizable\n{\n /// @dev Transfers assets. Either succeeds or throws.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n function transferFrom(\n bytes assetData,\n address from,\n address to,\n uint256 amount\n )\n external;\n \n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4);\n}\n", - "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/Ownable/IOwnable.sol\";\n\n\ncontract IAuthorizable is\n IOwnable\n{\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external;\n \n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory);\n}\n", - "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAuthorizable.sol\";\n\n\ncontract MAuthorizable is\n IAuthorizable\n{\n // Event logged when a new address is authorized.\n event AuthorizedAddressAdded(\n address indexed target,\n address indexed caller\n );\n\n // Event logged when a currently authorized address is unauthorized.\n event AuthorizedAddressRemoved(\n address indexed target,\n address indexed caller\n );\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized { revert(); _; }\n}\n", - "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../multisig/MultiSigWalletWithTimeLock.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract AssetProxyOwner is\n MultiSigWalletWithTimeLock\n{\n using LibBytes for bytes;\n\n event AssetProxyRegistration(address assetProxyContract, bool isRegistered);\n\n // Mapping of AssetProxy contract address =>\n // if this contract is allowed to call the AssetProxy's `removeAuthorizedAddressAtIndex` method without a time lock.\n mapping (address => bool) public isAssetProxyRegistered;\n\n bytes4 constant internal REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR = bytes4(keccak256(\"removeAuthorizedAddressAtIndex(address,uint256)\"));\n\n /// @dev Function will revert if the transaction does not call `removeAuthorizedAddressAtIndex`\n /// on an approved AssetProxy contract.\n modifier validRemoveAuthorizedAddressAtIndexTx(uint256 transactionId) {\n Transaction storage txn = transactions[transactionId];\n require(\n isAssetProxyRegistered[txn.destination],\n \"UNREGISTERED_ASSET_PROXY\"\n );\n require(\n txn.data.readBytes4(0) == REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR,\n \"INVALID_FUNCTION_SELECTOR\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations,\n /// time lock, and list of AssetProxy addresses.\n /// @param _owners List of initial owners.\n /// @param _assetProxyContracts Array of AssetProxy contract addresses.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] memory _owners,\n address[] memory _assetProxyContracts,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWalletWithTimeLock(_owners, _required, _secondsTimeLocked)\n {\n for (uint256 i = 0; i < _assetProxyContracts.length; i++) {\n address assetProxy = _assetProxyContracts[i];\n require(\n assetProxy != address(0),\n \"INVALID_ASSET_PROXY\"\n );\n isAssetProxyRegistered[assetProxy] = true;\n }\n }\n\n /// @dev Registers or deregisters an AssetProxy to be able to execute\n /// `removeAuthorizedAddressAtIndex` without a timelock.\n /// @param assetProxyContract Address of AssetProxy contract.\n /// @param isRegistered Status of approval for AssetProxy contract.\n function registerAssetProxy(address assetProxyContract, bool isRegistered)\n public\n onlyWallet\n notNull(assetProxyContract)\n {\n isAssetProxyRegistered[assetProxyContract] = isRegistered;\n emit AssetProxyRegistration(assetProxyContract, isRegistered);\n }\n\n /// @dev Allows execution of `removeAuthorizedAddressAtIndex` without time lock.\n /// @param transactionId Transaction ID.\n function executeRemoveAuthorizedAddressAtIndex(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n validRemoveAuthorizedAddressAtIndexTx(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n}\n", - "2.0.0/protocol/Exchange/Exchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinExchangeCore.sol\";\nimport \"./MixinSignatureValidator.sol\";\nimport \"./MixinWrapperFunctions.sol\";\nimport \"./MixinAssetProxyDispatcher.sol\";\nimport \"./MixinTransactions.sol\";\nimport \"./MixinMatchOrders.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Exchange is\n MixinExchangeCore,\n MixinMatchOrders,\n MixinSignatureValidator,\n MixinTransactions,\n MixinAssetProxyDispatcher,\n MixinWrapperFunctions\n{\n string constant public VERSION = \"2.0.1-alpha\";\n\n // Mixins are instantiated in the order they are inherited\n constructor (bytes memory _zrxAssetData)\n public\n LibConstants(_zrxAssetData) // @TODO: Remove when we deploy.\n MixinExchangeCore()\n MixinMatchOrders()\n MixinSignatureValidator()\n MixinTransactions()\n MixinAssetProxyDispatcher()\n MixinWrapperFunctions()\n {}\n}\n", - "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\nimport \"../AssetProxy/interfaces/IAssetProxy.sol\";\n\n\ncontract MixinAssetProxyDispatcher is\n Ownable,\n MAssetProxyDispatcher\n{\n // Mapping from Asset Proxy Id's to their respective Asset Proxy\n mapping (bytes4 => IAssetProxy) public assetProxies;\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external\n onlyOwner\n {\n IAssetProxy assetProxyContract = IAssetProxy(assetProxy);\n\n // Ensure that no asset proxy exists with current id.\n bytes4 assetProxyId = assetProxyContract.getProxyId();\n address currentAssetProxy = assetProxies[assetProxyId];\n require(\n currentAssetProxy == address(0),\n \"ASSET_PROXY_ALREADY_EXISTS\"\n );\n\n // Add asset proxy and log registration.\n assetProxies[assetProxyId] = assetProxyContract;\n emit AssetProxyRegistered(\n assetProxyId,\n assetProxy\n );\n }\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address)\n {\n return assetProxies[assetProxyId];\n }\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal\n {\n // Do nothing if no amount should be transferred.\n if (amount > 0 && from != to) {\n // Ensure assetData length is valid\n require(\n assetData.length > 3,\n \"LENGTH_GREATER_THAN_3_REQUIRED\"\n );\n \n // Lookup assetProxy. We do not use `LibBytes.readBytes4` for gas efficiency reasons.\n bytes4 assetProxyId;\n assembly {\n assetProxyId := and(mload(\n add(assetData, 32)),\n 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000\n )\n }\n address assetProxy = assetProxies[assetProxyId];\n\n // Ensure that assetProxy exists\n require(\n assetProxy != address(0),\n \"ASSET_PROXY_DOES_NOT_EXIST\"\n );\n \n // We construct calldata for the `assetProxy.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n\n assembly {\n /////// Setup State ///////\n // `cdStart` is the start of the calldata for `assetProxy.transferFrom` (equal to free memory ptr).\n let cdStart := mload(64)\n // `dataAreaLength` is the total number of words needed to store `assetData`\n // As-per the ABI spec, this value is padded up to the nearest multiple of 32,\n // and includes 32-bytes for length.\n let dataAreaLength := and(add(mload(assetData), 63), 0xFFFFFFFFFFFE0)\n // `cdEnd` is the end of the calldata for `assetProxy.transferFrom`.\n let cdEnd := add(cdStart, add(132, dataAreaLength))\n\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFromSelector`.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes.\n // Notes:\n // 1. The offset to `assetData` is the length of the Params Area (128 bytes).\n // 2. A 20-byte mask is applied to addresses to zero-out the unused bytes.\n mstore(add(cdStart, 4), 128)\n mstore(add(cdStart, 36), and(from, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 68), and(to, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 100), amount)\n \n /////// Setup Data Area ///////\n // This area holds `assetData`.\n let dataArea := add(cdStart, 132)\n // solhint-disable-next-line no-empty-blocks\n for {} lt(dataArea, cdEnd) {} {\n mstore(dataArea, mload(assetData))\n dataArea := add(dataArea, 32)\n assetData := add(assetData, 32)\n }\n\n /////// Call `assetProxy.transferFrom` using the constructed calldata ///////\n let success := call(\n gas, // forward all gas\n assetProxy, // call address of asset proxy\n 0, // don't send any ETH\n cdStart, // pointer to start of input\n sub(cdEnd, cdStart), // length of input \n cdStart, // write output over input\n 512 // reserve 512 bytes for output\n )\n if iszero(success) {\n revert(cdStart, returndatasize())\n }\n }\n }\n }\n}\n", - "2.0.0/protocol/Exchange/MixinExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinExchangeCore is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n LibOrder,\n LibFillResults,\n MAssetProxyDispatcher,\n MExchangeCore,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of orderHash => amount of takerAsset already bought by maker\n mapping (bytes32 => uint256) public filled;\n\n // Mapping of orderHash => cancelled\n mapping (bytes32 => bool) public cancelled;\n\n // Mapping of makerAddress => senderAddress => lowest salt an order can have in order to be fillable\n // Orders with specified senderAddress and with a salt less than their epoch are considered cancelled\n mapping (address => mapping (address => uint256)) public orderEpoch;\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external\n nonReentrant\n {\n address makerAddress = getCurrentContextAddress();\n // If this function is called via `executeTransaction`, we only update the orderEpoch for the makerAddress/msg.sender combination.\n // This allows external filter contracts to add rules to how orders are cancelled via this function.\n address senderAddress = makerAddress == msg.sender ? address(0) : msg.sender;\n\n // orderEpoch is initialized to 0, so to cancelUpTo we need salt + 1\n uint256 newOrderEpoch = targetOrderEpoch + 1; \n uint256 oldOrderEpoch = orderEpoch[makerAddress][senderAddress];\n\n // Ensure orderEpoch is monotonically increasing\n require(\n newOrderEpoch > oldOrderEpoch, \n \"INVALID_NEW_ORDER_EPOCH\"\n );\n\n // Update orderEpoch\n orderEpoch[makerAddress][senderAddress] = newOrderEpoch;\n emit CancelUpTo(\n makerAddress,\n senderAddress,\n newOrderEpoch\n );\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrder(Order memory order)\n public\n nonReentrant\n {\n cancelOrderInternal(order);\n }\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(Order memory order)\n public\n view\n returns (OrderInfo memory orderInfo)\n {\n // Compute the order hash\n orderInfo.orderHash = getOrderHash(order);\n\n // Fetch filled amount\n orderInfo.orderTakerAssetFilledAmount = filled[orderInfo.orderHash];\n\n // If order.makerAssetAmount is zero, we also reject the order.\n // While the Exchange contract handles them correctly, they create\n // edge cases in the supporting infrastructure because they have\n // an 'infinite' price when computed by a simple division.\n if (order.makerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_MAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // If order.takerAssetAmount is zero, then the order will always\n // be considered filled because 0 == takerAssetAmount == orderTakerAssetFilledAmount\n // Instead of distinguishing between unfilled and filled zero taker\n // amount orders, we choose not to support them.\n if (order.takerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_TAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // Validate order availability\n if (orderInfo.orderTakerAssetFilledAmount >= order.takerAssetAmount) {\n orderInfo.orderStatus = uint8(OrderStatus.FULLY_FILLED);\n return orderInfo;\n }\n\n // Validate order expiration\n // solhint-disable-next-line not-rely-on-time\n if (block.timestamp >= order.expirationTimeSeconds) {\n orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);\n return orderInfo;\n }\n\n // Check if order has been cancelled\n if (cancelled[orderInfo.orderHash]) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n if (orderEpoch[order.makerAddress][order.senderAddress] > order.salt) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n\n // All other statuses are ruled out: order is Fillable\n orderInfo.orderStatus = uint8(OrderStatus.FILLABLE);\n return orderInfo;\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // Fetch order info\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Assert that the order is fillable by taker\n assertFillableOrder(\n order,\n orderInfo,\n takerAddress,\n signature\n );\n \n // Get amount of takerAsset to fill\n uint256 remainingTakerAssetAmount = safeSub(order.takerAssetAmount, orderInfo.orderTakerAssetFilledAmount);\n uint256 takerAssetFilledAmount = min256(takerAssetFillAmount, remainingTakerAssetAmount);\n\n // Validate context\n assertValidFill(\n order,\n orderInfo,\n takerAssetFillAmount,\n takerAssetFilledAmount,\n fillResults.makerAssetFilledAmount\n );\n\n // Compute proportional fill amounts\n fillResults = calculateFillResults(order, takerAssetFilledAmount);\n\n // Update exchange internal state\n updateFilledState(\n order,\n takerAddress,\n orderInfo.orderHash,\n orderInfo.orderTakerAssetFilledAmount,\n fillResults\n );\n \n // Settle order\n settleOrder(\n order,\n takerAddress,\n fillResults\n );\n\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrderInternal(Order memory order)\n internal\n {\n // Fetch current order status\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Validate context\n assertValidCancel(order, orderInfo);\n\n // Perform cancel\n updateCancelledState(order, orderInfo.orderHash);\n }\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n function updateFilledState(\n Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n FillResults memory fillResults\n )\n internal\n {\n // Update state\n filled[orderHash] = safeAdd(orderTakerAssetFilledAmount, fillResults.takerAssetFilledAmount);\n\n // Log order\n emit Fill(\n order.makerAddress,\n order.feeRecipientAddress,\n takerAddress,\n msg.sender,\n fillResults.makerAssetFilledAmount,\n fillResults.takerAssetFilledAmount,\n fillResults.makerFeePaid,\n fillResults.takerFeePaid,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n Order memory order,\n bytes32 orderHash\n )\n internal\n {\n // Perform cancel\n cancelled[orderHash] = true;\n\n // Log cancel\n emit Cancel(\n order.makerAddress,\n order.feeRecipientAddress,\n msg.sender,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n Order memory order,\n OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view\n {\n // An order can only be filled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n \n // Validate sender is allowed to fill this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n \n // Validate taker is allowed to fill this order\n if (order.takerAddress != address(0)) {\n require(\n order.takerAddress == takerAddress,\n \"INVALID_TAKER\"\n );\n }\n \n // Validate Maker signature (check only if first time seen)\n if (orderInfo.orderTakerAssetFilledAmount == 0) {\n require(\n isValidSignature(\n orderInfo.orderHash,\n order.makerAddress,\n signature\n ),\n \"INVALID_ORDER_SIGNATURE\"\n );\n }\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n Order memory order,\n OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount, // TODO: use FillResults\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view\n {\n // Revert if fill amount is invalid\n // TODO: reconsider necessity for v2.1\n require(\n takerAssetFillAmount != 0,\n \"INVALID_TAKER_AMOUNT\"\n );\n \n // Make sure taker does not pay more than desired amount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n takerAssetFilledAmount <= takerAssetFillAmount,\n \"TAKER_OVERPAY\"\n );\n \n // Make sure order is not overfilled\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeAdd(orderInfo.orderTakerAssetFilledAmount, takerAssetFilledAmount) <= order.takerAssetAmount,\n \"ORDER_OVERFILL\"\n );\n \n // Make sure order is filled at acceptable price.\n // The order has an implied price from the makers perspective:\n // order price = order.makerAssetAmount / order.takerAssetAmount\n // i.e. the number of makerAsset maker is paying per takerAsset. The\n // maker is guaranteed to get this price or a better (lower) one. The\n // actual price maker is getting in this fill is:\n // fill price = makerAssetFilledAmount / takerAssetFilledAmount\n // We need `fill price <= order price` for the fill to be fair to maker.\n // This amounts to:\n // makerAssetFilledAmount order.makerAssetAmount\n // ------------------------ <= -----------------------\n // takerAssetFilledAmount order.takerAssetAmount\n // or, equivalently:\n // makerAssetFilledAmount * order.takerAssetAmount <=\n // order.makerAssetAmount * takerAssetFilledAmount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeMul(makerAssetFilledAmount, order.takerAssetAmount)\n <= \n safeMul(order.makerAssetAmount, takerAssetFilledAmount),\n \"INVALID_FILL_PRICE\"\n );\n }\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n Order memory order,\n OrderInfo memory orderInfo\n )\n internal\n view\n {\n // Ensure order is valid\n // An order can only be cancelled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Validate sender is allowed to cancel this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate transaction signed by maker\n address makerAddress = getCurrentContextAddress();\n require(\n order.makerAddress == makerAddress,\n \"INVALID_MAKER\"\n );\n }\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (FillResults memory fillResults)\n {\n // Compute proportional transfer amounts\n fillResults.takerAssetFilledAmount = takerAssetFilledAmount;\n fillResults.makerAssetFilledAmount = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n );\n fillResults.makerFeePaid = safeGetPartialAmountFloor(\n fillResults.makerAssetFilledAmount,\n order.makerAssetAmount,\n order.makerFee\n );\n fillResults.takerFeePaid = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.takerFee\n );\n\n return fillResults;\n }\n\n /// @dev Settles an order by transferring assets between counterparties.\n /// @param order Order struct containing order specifications.\n /// @param takerAddress Address selling takerAsset and buying makerAsset.\n /// @param fillResults Amounts to be filled and fees paid by maker and taker.\n function settleOrder(\n LibOrder.Order memory order,\n address takerAddress,\n LibFillResults.FillResults memory fillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n dispatchTransferFrom(\n order.makerAssetData,\n order.makerAddress,\n takerAddress,\n fillResults.makerAssetFilledAmount\n );\n dispatchTransferFrom(\n order.takerAssetData,\n takerAddress,\n order.makerAddress,\n fillResults.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n zrxAssetData,\n order.makerAddress,\n order.feeRecipientAddress,\n fillResults.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n order.feeRecipientAddress,\n fillResults.takerFeePaid\n );\n }\n}\n", - "2.0.0/protocol/Exchange/MixinMatchOrders.sol": "/*\n Copyright 2018 ZeroEx Intl.\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n http://www.apache.org/licenses/LICENSE-2.0\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MMatchOrders.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinMatchOrders is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n MAssetProxyDispatcher,\n MExchangeCore,\n MMatchOrders,\n MTransactions\n{\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n nonReentrant\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We assume that rightOrder.takerAssetData == leftOrder.makerAssetData and rightOrder.makerAssetData == leftOrder.takerAssetData.\n // If this assumption isn't true, the match will fail at signature validation.\n rightOrder.makerAssetData = leftOrder.takerAssetData;\n rightOrder.takerAssetData = leftOrder.makerAssetData;\n\n // Get left & right order info\n LibOrder.OrderInfo memory leftOrderInfo = getOrderInfo(leftOrder);\n LibOrder.OrderInfo memory rightOrderInfo = getOrderInfo(rightOrder);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Either our context is valid or we revert\n assertFillableOrder(\n leftOrder,\n leftOrderInfo,\n takerAddress,\n leftSignature\n );\n assertFillableOrder(\n rightOrder,\n rightOrderInfo,\n takerAddress,\n rightSignature\n );\n assertValidMatch(leftOrder, rightOrder);\n\n // Compute proportional fill amounts\n matchedFillResults = calculateMatchedFillResults(\n leftOrder,\n rightOrder,\n leftOrderInfo.orderTakerAssetFilledAmount,\n rightOrderInfo.orderTakerAssetFilledAmount\n );\n\n // Validate fill contexts\n assertValidFill(\n leftOrder,\n leftOrderInfo,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.makerAssetFilledAmount\n );\n assertValidFill(\n rightOrder,\n rightOrderInfo,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n \n // Update exchange state\n updateFilledState(\n leftOrder,\n takerAddress,\n leftOrderInfo.orderHash,\n leftOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.left\n );\n updateFilledState(\n rightOrder,\n takerAddress,\n rightOrderInfo.orderHash,\n rightOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.right\n );\n\n // Settle matched orders. Succeeds or throws.\n settleMatchedOrders(\n leftOrder,\n rightOrder,\n takerAddress,\n matchedFillResults\n );\n\n return matchedFillResults;\n }\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure\n {\n // Make sure there is a profitable spread.\n // There is a profitable spread iff the cost per unit bought (OrderA.MakerAmount/OrderA.TakerAmount) for each order is greater\n // than the profit per unit sold of the matched order (OrderB.TakerAmount/OrderB.MakerAmount).\n // This is satisfied by the equations below:\n // / >= / \n // AND\n // / >= / \n // These equations can be combined to get the following:\n require(\n safeMul(leftOrder.makerAssetAmount, rightOrder.makerAssetAmount) >=\n safeMul(leftOrder.takerAssetAmount, rightOrder.takerAssetAmount),\n \"NEGATIVE_SPREAD_REQUIRED\"\n );\n }\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // Derive maker asset amounts for left & right orders, given store taker assert amounts\n uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);\n uint256 leftMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n leftTakerAssetAmountRemaining\n );\n uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);\n uint256 rightMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n rightOrder.makerAssetAmount,\n rightOrder.takerAssetAmount,\n rightTakerAssetAmountRemaining\n );\n\n // Calculate fill results for maker and taker assets: at least one order will be fully filled.\n // The maximum amount the left maker can buy is `leftTakerAssetAmountRemaining`\n // The maximum amount the right maker can sell is `rightMakerAssetAmountRemaining`\n // We have two distinct cases for calculating the fill results:\n // Case 1.\n // If the left maker can buy more than the right maker can sell, then only the right order is fully filled.\n // If the left maker can buy exactly what the right maker can sell, then both orders are fully filled.\n // Case 2.\n // If the left maker cannot buy more than the right maker can sell, then only the left order is fully filled.\n if (leftTakerAssetAmountRemaining >= rightMakerAssetAmountRemaining) {\n // Case 1: Right order is fully filled\n matchedFillResults.right.makerAssetFilledAmount = rightMakerAssetAmountRemaining;\n matchedFillResults.right.takerAssetFilledAmount = rightTakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = matchedFillResults.right.makerAssetFilledAmount;\n // Round down to ensure the maker's exchange rate does not exceed the price specified by the order. \n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.left.makerAssetFilledAmount = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n matchedFillResults.left.takerAssetFilledAmount\n );\n } else {\n // Case 2: Left order is fully filled\n matchedFillResults.left.makerAssetFilledAmount = leftMakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = leftTakerAssetAmountRemaining;\n matchedFillResults.right.makerAssetFilledAmount = matchedFillResults.left.takerAssetFilledAmount;\n // Round up to ensure the maker's exchange rate does not exceed the price specified by the order.\n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.right.takerAssetFilledAmount = safeGetPartialAmountCeil(\n rightOrder.takerAssetAmount,\n rightOrder.makerAssetAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n }\n\n // Calculate amount given to taker\n matchedFillResults.leftMakerAssetSpreadAmount = safeSub(\n matchedFillResults.left.makerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount\n );\n\n // Compute fees for left order\n matchedFillResults.left.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.makerAssetFilledAmount,\n leftOrder.makerAssetAmount,\n leftOrder.makerFee\n );\n matchedFillResults.left.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.takerAssetFilledAmount,\n leftOrder.takerAssetAmount,\n leftOrder.takerFee\n );\n\n // Compute fees for right order\n matchedFillResults.right.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.makerAssetFilledAmount,\n rightOrder.makerAssetAmount,\n rightOrder.makerFee\n );\n matchedFillResults.right.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.takerAssetFilledAmount,\n rightOrder.takerAssetAmount,\n rightOrder.takerFee\n );\n\n // Return fill results\n return matchedFillResults;\n }\n\n /// @dev Settles matched order by transferring appropriate funds between order makers, taker, and fee recipient.\n /// @param leftOrder First matched order.\n /// @param rightOrder Second matched order.\n /// @param takerAddress Address that matched the orders. The taker receives the spread between orders as profit.\n /// @param matchedFillResults Struct holding amounts to transfer between makers, taker, and fee recipients.\n function settleMatchedOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n address takerAddress,\n LibFillResults.MatchedFillResults memory matchedFillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n // Order makers and taker\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n rightOrder.makerAddress,\n matchedFillResults.right.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n rightOrder.makerAssetData,\n rightOrder.makerAddress,\n leftOrder.makerAddress,\n matchedFillResults.left.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n takerAddress,\n matchedFillResults.leftMakerAssetSpreadAmount\n );\n\n // Maker fees\n dispatchTransferFrom(\n zrxAssetData,\n leftOrder.makerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n rightOrder.makerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.makerFeePaid\n );\n\n // Taker fees\n if (leftOrder.feeRecipientAddress == rightOrder.feeRecipientAddress) {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n safeAdd(\n matchedFillResults.left.takerFeePaid,\n matchedFillResults.right.takerFeePaid\n )\n );\n } else {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.takerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.takerFeePaid\n );\n }\n }\n}\n", - "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./interfaces/IWallet.sol\";\nimport \"./interfaces/IValidator.sol\";\n\n\ncontract MixinSignatureValidator is\n ReentrancyGuard,\n MSignatureValidator,\n MTransactions\n{\n using LibBytes for bytes;\n \n // Mapping of hash => signer => signed\n mapping (bytes32 => mapping (address => bool)) public preSigned;\n\n // Mapping of signer => validator => approved\n mapping (address => mapping (address => bool)) public allowedValidators;\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n {\n if (signerAddress != msg.sender) {\n require(\n isValidSignature(\n hash,\n signerAddress,\n signature\n ),\n \"INVALID_SIGNATURE\"\n );\n }\n preSigned[hash][signerAddress] = true;\n }\n\n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external\n nonReentrant\n {\n address signerAddress = getCurrentContextAddress();\n allowedValidators[signerAddress][validatorAddress] = approval;\n emit SignatureValidatorApproval(\n signerAddress,\n validatorAddress,\n approval\n );\n }\n\n /// @dev Verifies that a hash has been signed by the given signer.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid)\n {\n require(\n signature.length > 0,\n \"LENGTH_GREATER_THAN_0_REQUIRED\"\n );\n\n // Pop last byte off of signature byte array.\n uint8 signatureTypeRaw = uint8(signature.popLastByte());\n\n // Ensure signature is supported\n require(\n signatureTypeRaw < uint8(SignatureType.NSignatureTypes),\n \"SIGNATURE_UNSUPPORTED\"\n );\n\n SignatureType signatureType = SignatureType(signatureTypeRaw);\n\n // Variables are not scoped in Solidity.\n uint8 v;\n bytes32 r;\n bytes32 s;\n address recovered;\n\n // Always illegal signature.\n // This is always an implicit option since a signer can create a\n // signature array with invalid type or length. We may as well make\n // it an explicit option. This aids testing and analysis. It is\n // also the initialization value for the enum type.\n if (signatureType == SignatureType.Illegal) {\n revert(\"SIGNATURE_ILLEGAL\");\n\n // Always invalid signature.\n // Like Illegal, this is always implicitly available and therefore\n // offered explicitly. It can be implicitly created by providing\n // a correctly formatted but incorrect signature.\n } else if (signatureType == SignatureType.Invalid) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = false;\n return isValid;\n\n // Signature using EIP712\n } else if (signatureType == SignatureType.EIP712) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n hash,\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signed using web3.eth_sign\n } else if (signatureType == SignatureType.EthSign) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n32\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signature verified by wallet contract.\n // If used with an order, the maker of the order is the wallet contract.\n } else if (signatureType == SignatureType.Wallet) {\n isValid = isValidWalletSignature(\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signature verified by validator contract.\n // If used with an order, the maker of the order can still be an EOA.\n // A signature using this type should be encoded as:\n // | Offset | Length | Contents |\n // | 0x00 | x | Signature to validate |\n // | 0x00 + x | 20 | Address of validator contract |\n // | 0x14 + x | 1 | Signature type is always \"\\x06\" |\n } else if (signatureType == SignatureType.Validator) {\n // Pop last 20 bytes off of signature byte array.\n address validatorAddress = signature.popLast20Bytes();\n \n // Ensure signer has approved validator.\n if (!allowedValidators[signerAddress][validatorAddress]) {\n return false;\n }\n isValid = isValidValidatorSignature(\n validatorAddress,\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signer signed hash previously using the preSign function.\n } else if (signatureType == SignatureType.PreSigned) {\n isValid = preSigned[hash][signerAddress];\n return isValid;\n }\n\n // Anything else is illegal (We do not return false because\n // the signature may actually be valid, just not in a format\n // that we currently support. In this case returning false\n // may lead the caller to incorrectly believe that the\n // signature was invalid.)\n revert(\"SIGNATURE_UNSUPPORTED\");\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if signature is valid for given wallet..\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IWallet(walletAddress).isValidSignature.selector,\n hash,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n walletAddress, // address of Wallet contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"WALLET_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000c57414c4c45545f4552524f5200000000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IValidator(signerAddress).isValidSignature.selector,\n hash,\n signerAddress,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n validatorAddress, // address of Validator contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"VALIDATOR_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f56414c494441544f525f4552524f5200000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n}\n", - "2.0.0/protocol/Exchange/MixinTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"./libs/LibExchangeErrors.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./libs/LibEIP712.sol\";\n\n\ncontract MixinTransactions is\n LibEIP712,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of transaction hash => executed\n // This prevents transactions from being executed more than once.\n mapping (bytes32 => bool) public transactions;\n\n // Address of current transaction signer\n address public currentContextAddress;\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external\n {\n // Prevent reentrancy\n require(\n currentContextAddress == address(0),\n \"REENTRANCY_ILLEGAL\"\n );\n\n bytes32 transactionHash = hashEIP712Message(hashZeroExTransaction(\n salt,\n signerAddress,\n data\n ));\n\n // Validate transaction has not been executed\n require(\n !transactions[transactionHash],\n \"INVALID_TX_HASH\"\n );\n\n // Transaction always valid if signer is sender of transaction\n if (signerAddress != msg.sender) {\n // Validate signature\n require(\n isValidSignature(\n transactionHash,\n signerAddress,\n signature\n ),\n \"INVALID_TX_SIGNATURE\"\n );\n\n // Set the current transaction signer\n currentContextAddress = signerAddress;\n }\n\n // Execute transaction\n transactions[transactionHash] = true;\n require(\n address(this).delegatecall(data),\n \"FAILED_EXECUTION\"\n );\n\n // Reset current transaction signer if it was previously updated\n if (signerAddress != msg.sender) {\n currentContextAddress = address(0);\n }\n }\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;\n bytes32 dataHash = keccak256(data);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,\n // salt,\n // bytes32(signerAddress),\n // keccak256(data)\n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, schemaHash) // hash of schema\n mstore(add(memPtr, 32), salt) // salt\n mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff)) // signerAddress\n mstore(add(memPtr, 96), dataHash) // hash of data\n\n // Compute hash\n result := keccak256(memPtr, 128)\n }\n return result;\n }\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address)\n {\n address currentContextAddress_ = currentContextAddress;\n address contextAddress = currentContextAddress_ == address(0) ? msg.sender : currentContextAddress_;\n return contextAddress;\n }\n}\n", - "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibAbiEncoder.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MWrapperFunctions.sol\";\n\n\ncontract MixinWrapperFunctions is\n ReentrancyGuard,\n LibMath,\n LibFillResults,\n LibAbiEncoder,\n MExchangeCore,\n MWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrKillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n // Delegate to `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := delegatecall(\n gas, // forward all gas\n address, // call address of this contract\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrKillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n \n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public\n nonReentrant\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n cancelOrderInternal(orders[i]);\n }\n }\n\n /// @dev Fetches information for all passed in orders.\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n LibOrder.OrderInfo[] memory ordersInfo = new LibOrder.OrderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n ordersInfo[i] = getOrderInfo(orders[i]);\n }\n return ordersInfo;\n }\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n require(\n fillResults.takerAssetFilledAmount == takerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return fillResults;\n }\n}\n", - "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssetProxyDispatcher {\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external;\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IExchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./IExchangeCore.sol\";\nimport \"./IMatchOrders.sol\";\nimport \"./ISignatureValidator.sol\";\nimport \"./ITransactions.sol\";\nimport \"./IAssetProxyDispatcher.sol\";\nimport \"./IWrapperFunctions.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract IExchange is\n IExchangeCore,\n IMatchOrders,\n ISignatureValidator,\n ITransactions,\n IAssetProxyDispatcher,\n IWrapperFunctions\n{}\n", - "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IExchangeCore {\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external;\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrder(LibOrder.Order memory order)\n public;\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(LibOrder.Order memory order)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IMatchOrders {\n\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n}\n", - "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ISignatureValidator {\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external;\n \n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external;\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address of signer.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\n\ncontract ITransactions {\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external;\n}\n", - "2.0.0/protocol/Exchange/interfaces/IValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IValidator {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IWallet {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IWrapperFunctions {\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public;\n\n /// @dev Fetches information for all passed in orders\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory);\n}\n", - "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./LibOrder.sol\";\n\n\ncontract LibAbiEncoder {\n\n /// @dev ABI encodes calldata for `fillOrder`.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return ABI encoded calldata for `fillOrder`.\n function abiEncodeFillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n pure\n returns (bytes memory fillOrderCalldata)\n {\n // We need to call MExchangeCore.fillOrder using a delegatecall in\n // assembly so that we can intercept a call that throws. For this, we\n // need the input encoded in memory in the Ethereum ABIv2 format [1].\n\n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0x00 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 0x00 | | 1. offset to order (*) |\n // | | 0x20 | | 2. takerAssetFillAmount |\n // | | 0x40 | | 3. offset to signature (*) |\n // | Data | | 12 * 32 | order: |\n // | | 0x000 | | 1. senderAddress |\n // | | 0x020 | | 2. makerAddress |\n // | | 0x040 | | 3. takerAddress |\n // | | 0x060 | | 4. feeRecipientAddress |\n // | | 0x080 | | 5. makerAssetAmount |\n // | | 0x0A0 | | 6. takerAssetAmount |\n // | | 0x0C0 | | 7. makerFeeAmount |\n // | | 0x0E0 | | 8. takerFeeAmount |\n // | | 0x100 | | 9. expirationTimeSeconds |\n // | | 0x120 | | 10. salt |\n // | | 0x140 | | 11. Offset to makerAssetData (*) |\n // | | 0x160 | | 12. Offset to takerAssetData (*) |\n // | | 0x180 | 32 | makerAssetData Length |\n // | | 0x1A0 | ** | makerAssetData Contents |\n // | | 0x1C0 | 32 | takerAssetData Length |\n // | | 0x1E0 | ** | takerAssetData Contents |\n // | | 0x200 | 32 | signature Length |\n // | | 0x220 | ** | signature Contents |\n\n // * Offsets are calculated from the beginning of the current area: Header, Params, Data:\n // An offset stored in the Params area is calculated from the beginning of the Params section.\n // An offset stored in the Data area is calculated from the beginning of the Data section.\n\n // ** The length of dynamic array contents are stored in the field immediately preceeding the contents.\n\n // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html\n\n assembly {\n\n // Areas below may use the following variables:\n // 1. Start -- Start of this area in memory\n // 2. End -- End of this area in memory. This value may\n // be precomputed (before writing contents),\n // or it may be computed as contents are written.\n // 3. Offset -- Current offset into area. If an area's End\n // is precomputed, this variable tracks the\n // offsets of contents as they are written.\n\n /////// Setup Header Area ///////\n // Load free memory pointer\n fillOrderCalldata := mload(0x40)\n // bytes4(keccak256(\"fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)\"))\n // = 0xb4be83d5\n // Leave 0x20 bytes to store the length\n mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000)\n let headerAreaEnd := add(fillOrderCalldata, 0x24)\n\n /////// Setup Params Area ///////\n // This area is preallocated and written to later.\n // This is because we need to fill in offsets that have not yet been calculated.\n let paramsAreaStart := headerAreaEnd\n let paramsAreaEnd := add(paramsAreaStart, 0x60)\n let paramsAreaOffset := paramsAreaStart\n\n /////// Setup Data Area ///////\n let dataAreaStart := paramsAreaEnd\n let dataAreaEnd := dataAreaStart\n\n // Offset from the source data we're reading from\n let sourceOffset := order\n // arrayLenBytes and arrayLenWords track the length of a dynamically-allocated bytes array.\n let arrayLenBytes := 0\n let arrayLenWords := 0\n\n /////// Write order Struct ///////\n // Write memory location of Order, relative to the start of the\n // parameter list, then increment the paramsAreaOffset respectively.\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n // Write values for each field in the order\n // It would be nice to use a loop, but we save on gas by writing\n // the stores sequentially.\n mstore(dataAreaEnd, mload(sourceOffset)) // makerAddress\n mstore(add(dataAreaEnd, 0x20), mload(add(sourceOffset, 0x20))) // takerAddress\n mstore(add(dataAreaEnd, 0x40), mload(add(sourceOffset, 0x40))) // feeRecipientAddress\n mstore(add(dataAreaEnd, 0x60), mload(add(sourceOffset, 0x60))) // senderAddress\n mstore(add(dataAreaEnd, 0x80), mload(add(sourceOffset, 0x80))) // makerAssetAmount\n mstore(add(dataAreaEnd, 0xA0), mload(add(sourceOffset, 0xA0))) // takerAssetAmount\n mstore(add(dataAreaEnd, 0xC0), mload(add(sourceOffset, 0xC0))) // makerFeeAmount\n mstore(add(dataAreaEnd, 0xE0), mload(add(sourceOffset, 0xE0))) // takerFeeAmount\n mstore(add(dataAreaEnd, 0x100), mload(add(sourceOffset, 0x100))) // expirationTimeSeconds\n mstore(add(dataAreaEnd, 0x120), mload(add(sourceOffset, 0x120))) // salt\n mstore(add(dataAreaEnd, 0x140), mload(add(sourceOffset, 0x140))) // Offset to makerAssetData\n mstore(add(dataAreaEnd, 0x160), mload(add(sourceOffset, 0x160))) // Offset to takerAssetData\n dataAreaEnd := add(dataAreaEnd, 0x180)\n sourceOffset := add(sourceOffset, 0x180)\n\n // Write offset to \n mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x140)) // makerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Write offset to \n mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x160)) // takerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n /////// Write takerAssetFillAmount ///////\n mstore(paramsAreaOffset, takerAssetFillAmount)\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n /////// Write signature ///////\n // Write offset to paramsArea\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n\n // Calculate length of signature\n sourceOffset := signature\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of signature\n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of signature\n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Set length of calldata\n mstore(fillOrderCalldata, sub(dataAreaEnd, add(fillOrderCalldata, 0x20)))\n\n // Increment free memory pointer\n mstore(0x40, dataAreaEnd)\n }\n\n return fillOrderCalldata;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\n// solhint-disable max-line-length\ncontract LibConstants {\n \n // Asset data for ZRX token. Used for fee transfers.\n // @TODO: Hardcode constant when we deploy. Currently \n // not constant to make testing easier.\n\n // The proxyId for ZRX_ASSET_DATA is bytes4(keccak256(\"ERC20Token(address)\")) = 0xf47261b0\n \n // Kovan ZRX address is 0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570.\n // The ABI encoded proxyId and address is 0xf47261b00000000000000000000000006ff6c0ff1d68b964901f986d4c9fa3ac68346570\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x6f\\xf6\\xc0\\xff\\x1d\\x68\\xb9\\x64\\x90\\x1f\\x98\\x6d\\x4c\\x9f\\xa3\\xac\\x68\\x34\\x65\\x70\";\n \n // Mainnet ZRX address is 0xe41d2489571d322189246dafa5ebde1f4699f498.\n // The ABI encoded proxyId and address is 0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xe4\\x1d\\x24\\x89\\x57\\x1d\\x32\\x21\\x89\\x24\\x6d\\xaf\\xa5\\xeb\\xde\\x1f\\x46\\x99\\xf4\\x98\";\n \n // solhint-disable-next-line var-name-mixedcase\n bytes public ZRX_ASSET_DATA;\n\n // @TODO: Remove when we deploy.\n constructor (bytes memory zrxAssetData)\n public\n {\n ZRX_ASSET_DATA = zrxAssetData;\n }\n}\n// solhint-enable max-line-length\n", - "2.0.0/protocol/Exchange/libs/LibEIP712.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract LibEIP712 {\n\n // EIP191 header for EIP712 prefix\n string constant internal EIP191_HEADER = \"\\x19\\x01\";\n\n // EIP712 Domain Name value\n string constant internal EIP712_DOMAIN_NAME = \"0x Protocol\";\n\n // EIP712 Domain Version value\n string constant internal EIP712_DOMAIN_VERSION = \"2\";\n\n // Hash of the EIP712 Domain Separator Schema\n bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"EIP712Domain(\",\n \"string name,\",\n \"string version,\",\n \"address verifyingContract\",\n \")\"\n ));\n\n // Hash of the EIP712 Domain Separator data\n // solhint-disable-next-line var-name-mixedcase\n bytes32 public EIP712_DOMAIN_HASH;\n\n constructor ()\n public\n {\n EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(\n EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,\n keccak256(bytes(EIP712_DOMAIN_NAME)),\n keccak256(bytes(EIP712_DOMAIN_VERSION)),\n bytes32(address(this))\n ));\n }\n\n /// @dev Calculates EIP712 encoding for a hash struct in this EIP712 Domain.\n /// @param hashStruct The EIP712 hash struct.\n /// @return EIP712 hash applied to this EIP712 Domain.\n function hashEIP712Message(bytes32 hashStruct)\n internal\n view\n returns (bytes32 result)\n {\n bytes32 eip712DomainHash = EIP712_DOMAIN_HASH;\n\n // Assembly for more efficient computing:\n // keccak256(abi.encodePacked(\n // EIP191_HEADER,\n // EIP712_DOMAIN_HASH,\n // hashStruct \n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, 0x1901000000000000000000000000000000000000000000000000000000000000) // EIP191 header\n mstore(add(memPtr, 2), eip712DomainHash) // EIP712 domain hash\n mstore(add(memPtr, 34), hashStruct) // Hash of struct\n\n // Compute hash\n result := keccak256(memPtr, 66)\n }\n return result;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity 0.4.24;\n\n\n/// @dev This contract documents the revert reasons used in the Exchange contract.\n/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons.\ncontract LibExchangeErrors {\n\n /// Order validation errors ///\n string constant ORDER_UNFILLABLE = \"ORDER_UNFILLABLE\"; // Order cannot be filled.\n string constant INVALID_MAKER = \"INVALID_MAKER\"; // Invalid makerAddress.\n string constant INVALID_TAKER = \"INVALID_TAKER\"; // Invalid takerAddress.\n string constant INVALID_SENDER = \"INVALID_SENDER\"; // Invalid `msg.sender`.\n string constant INVALID_ORDER_SIGNATURE = \"INVALID_ORDER_SIGNATURE\"; // Signature validation failed. \n \n /// fillOrder validation errors ///\n string constant INVALID_TAKER_AMOUNT = \"INVALID_TAKER_AMOUNT\"; // takerAssetFillAmount cannot equal 0.\n string constant ROUNDING_ERROR = \"ROUNDING_ERROR\"; // Rounding error greater than 0.1% of takerAssetFillAmount. \n \n /// Signature validation errors ///\n string constant INVALID_SIGNATURE = \"INVALID_SIGNATURE\"; // Signature validation failed. \n string constant SIGNATURE_ILLEGAL = \"SIGNATURE_ILLEGAL\"; // Signature type is illegal.\n string constant SIGNATURE_UNSUPPORTED = \"SIGNATURE_UNSUPPORTED\"; // Signature type unsupported.\n \n /// cancelOrdersUptTo errors ///\n string constant INVALID_NEW_ORDER_EPOCH = \"INVALID_NEW_ORDER_EPOCH\"; // Specified salt must be greater than or equal to existing orderEpoch.\n\n /// fillOrKillOrder errors ///\n string constant COMPLETE_FILL_FAILED = \"COMPLETE_FILL_FAILED\"; // Desired takerAssetFillAmount could not be completely filled. \n\n /// matchOrders errors ///\n string constant NEGATIVE_SPREAD_REQUIRED = \"NEGATIVE_SPREAD_REQUIRED\"; // Matched orders must have a negative spread.\n\n /// Transaction errors ///\n string constant REENTRANCY_ILLEGAL = \"REENTRANCY_ILLEGAL\"; // Recursive reentrancy is not allowed. \n string constant INVALID_TX_HASH = \"INVALID_TX_HASH\"; // Transaction has already been executed. \n string constant INVALID_TX_SIGNATURE = \"INVALID_TX_SIGNATURE\"; // Signature validation failed. \n string constant FAILED_EXECUTION = \"FAILED_EXECUTION\"; // Transaction execution failed. \n \n /// registerAssetProxy errors ///\n string constant ASSET_PROXY_ALREADY_EXISTS = \"ASSET_PROXY_ALREADY_EXISTS\"; // AssetProxy with same id already exists.\n\n /// dispatchTransferFrom errors ///\n string constant ASSET_PROXY_DOES_NOT_EXIST = \"ASSET_PROXY_DOES_NOT_EXIST\"; // No assetProxy registered at given id.\n string constant TRANSFER_FAILED = \"TRANSFER_FAILED\"; // Asset transfer unsuccesful.\n\n /// Length validation errors ///\n string constant LENGTH_GREATER_THAN_0_REQUIRED = \"LENGTH_GREATER_THAN_0_REQUIRED\"; // Byte array must have a length greater than 0.\n string constant LENGTH_GREATER_THAN_3_REQUIRED = \"LENGTH_GREATER_THAN_3_REQUIRED\"; // Byte array must have a length greater than 3.\n string constant LENGTH_0_REQUIRED = \"LENGTH_0_REQUIRED\"; // Byte array must have a length of 0.\n string constant LENGTH_65_REQUIRED = \"LENGTH_65_REQUIRED\"; // Byte array must have a length of 65.\n}\n", - "2.0.0/protocol/Exchange/libs/LibFillResults.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibFillResults is\n SafeMath\n{\n struct FillResults {\n uint256 makerAssetFilledAmount; // Total amount of makerAsset(s) filled.\n uint256 takerAssetFilledAmount; // Total amount of takerAsset(s) filled.\n uint256 makerFeePaid; // Total amount of ZRX paid by maker(s) to feeRecipient(s).\n uint256 takerFeePaid; // Total amount of ZRX paid by taker to feeRecipients(s).\n }\n\n struct MatchedFillResults {\n FillResults left; // Amounts filled and fees paid of left order.\n FillResults right; // Amounts filled and fees paid of right order.\n uint256 leftMakerAssetSpreadAmount; // Spread between price of left and right order, denominated in the left order's makerAsset, paid to taker.\n }\n\n /// @dev Adds properties of both FillResults instances.\n /// Modifies the first FillResults instance specified.\n /// @param totalFillResults Fill results instance that will be added onto.\n /// @param singleFillResults Fill results instance that will be added to totalFillResults.\n function addFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)\n internal\n pure\n {\n totalFillResults.makerAssetFilledAmount = safeAdd(totalFillResults.makerAssetFilledAmount, singleFillResults.makerAssetFilledAmount);\n totalFillResults.takerAssetFilledAmount = safeAdd(totalFillResults.takerAssetFilledAmount, singleFillResults.takerAssetFilledAmount);\n totalFillResults.makerFeePaid = safeAdd(totalFillResults.makerFeePaid, singleFillResults.makerFeePaid);\n totalFillResults.takerFeePaid = safeAdd(totalFillResults.takerFeePaid, singleFillResults.takerFeePaid);\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibMath.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibMath is\n SafeMath\n{\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function safeGetPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorFloor(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function safeGetPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorCeil(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function getPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function getPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // The absolute rounding error is the difference between the rounded\n // value and the ideal value. The relative rounding error is the\n // absolute rounding error divided by the absolute value of the\n // ideal value. This is undefined when the ideal value is zero.\n //\n // The ideal value is `numerator * target / denominator`.\n // Let's call `numerator * target % denominator` the remainder.\n // The absolute error is `remainder / denominator`.\n //\n // When the ideal value is zero, we require the absolute error to\n // be zero. Fortunately, this is always the case. The ideal value is\n // zero iff `numerator == 0` and/or `target == 0`. In this case the\n // remainder and absolute error are also zero. \n if (target == 0 || numerator == 0) {\n return false;\n }\n \n // Otherwise, we want the relative rounding error to be strictly\n // less than 0.1%.\n // The relative error is `remainder / (numerator * target)`.\n // We want the relative error less than 1 / 1000:\n // remainder / (numerator * denominator) < 1 / 1000\n // or equivalently:\n // 1000 * remainder < numerator * target\n // so we have a rounding error iff:\n // 1000 * remainder >= numerator * target\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding up.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // See the comments in `isRoundingError`.\n if (target == 0 || numerator == 0) {\n // When either is zero, the ideal value and rounded value are zero\n // and there is no rounding error. (Although the relative error\n // is undefined.)\n return false;\n }\n // Compute remainder as before\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n remainder = safeSub(denominator, remainder) % denominator;\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibOrder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./LibEIP712.sol\";\n\n\ncontract LibOrder is\n LibEIP712\n{\n // Hash for the EIP712 Order Schema\n bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"Order(\",\n \"address makerAddress,\",\n \"address takerAddress,\",\n \"address feeRecipientAddress,\",\n \"address senderAddress,\",\n \"uint256 makerAssetAmount,\",\n \"uint256 takerAssetAmount,\",\n \"uint256 makerFee,\",\n \"uint256 takerFee,\",\n \"uint256 expirationTimeSeconds,\",\n \"uint256 salt,\",\n \"bytes makerAssetData,\",\n \"bytes takerAssetData\",\n \")\"\n ));\n\n // A valid order remains fillable until it is expired, fully filled, or cancelled.\n // An order's state is unaffected by external factors, like account balances.\n enum OrderStatus {\n INVALID, // Default value\n INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount\n INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount\n FILLABLE, // Order is fillable\n EXPIRED, // Order has already expired\n FULLY_FILLED, // Order is fully filled\n CANCELLED // Order has been cancelled\n }\n\n // solhint-disable max-line-length\n struct Order {\n address makerAddress; // Address that created the order. \n address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order. \n address feeRecipientAddress; // Address that will recieve fees when order is filled. \n address senderAddress; // Address that is allowed to call Exchange contract methods that affect this order. If set to 0, any address is allowed to call these methods.\n uint256 makerAssetAmount; // Amount of makerAsset being offered by maker. Must be greater than 0. \n uint256 takerAssetAmount; // Amount of takerAsset being bid on by maker. Must be greater than 0. \n uint256 makerFee; // Amount of ZRX paid to feeRecipient by maker when order is filled. If set to 0, no transfer of ZRX from maker to feeRecipient will be attempted.\n uint256 takerFee; // Amount of ZRX paid to feeRecipient by taker when order is filled. If set to 0, no transfer of ZRX from taker to feeRecipient will be attempted.\n uint256 expirationTimeSeconds; // Timestamp in seconds at which order expires. \n uint256 salt; // Arbitrary number to facilitate uniqueness of the order's hash. \n bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.\n bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.\n }\n // solhint-enable max-line-length\n\n struct OrderInfo {\n uint8 orderStatus; // Status that describes order's validity and fillability.\n bytes32 orderHash; // EIP712 hash of the order (see LibOrder.getOrderHash).\n uint256 orderTakerAssetFilledAmount; // Amount of order that has already been filled.\n }\n\n /// @dev Calculates Keccak-256 hash of the order.\n /// @param order The order structure.\n /// @return Keccak-256 EIP712 hash of the order.\n function getOrderHash(Order memory order)\n internal\n view\n returns (bytes32 orderHash)\n {\n orderHash = hashEIP712Message(hashOrder(order));\n return orderHash;\n }\n\n /// @dev Calculates EIP712 hash of the order.\n /// @param order The order structure.\n /// @return EIP712 hash of the order.\n function hashOrder(Order memory order)\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ORDER_SCHEMA_HASH;\n bytes32 makerAssetDataHash = keccak256(order.makerAssetData);\n bytes32 takerAssetDataHash = keccak256(order.takerAssetData);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ORDER_SCHEMA_HASH,\n // bytes32(order.makerAddress),\n // bytes32(order.takerAddress),\n // bytes32(order.feeRecipientAddress),\n // bytes32(order.senderAddress),\n // order.makerAssetAmount,\n // order.takerAssetAmount,\n // order.makerFee,\n // order.takerFee,\n // order.expirationTimeSeconds,\n // order.salt,\n // keccak256(order.makerAssetData),\n // keccak256(order.takerAssetData)\n // ));\n\n assembly {\n // Calculate memory addresses that will be swapped out before hashing\n let pos1 := sub(order, 32)\n let pos2 := add(order, 320)\n let pos3 := add(order, 352)\n\n // Backup\n let temp1 := mload(pos1)\n let temp2 := mload(pos2)\n let temp3 := mload(pos3)\n \n // Hash in place\n mstore(pos1, schemaHash)\n mstore(pos2, makerAssetDataHash)\n mstore(pos3, takerAssetDataHash)\n result := keccak256(pos1, 416)\n \n // Restore\n mstore(pos1, temp1)\n mstore(pos2, temp2)\n mstore(pos3, temp3)\n }\n return result;\n }\n}\n", - "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssetProxyDispatcher.sol\";\n\n\ncontract MAssetProxyDispatcher is\n IAssetProxyDispatcher\n{\n // Logs registration of new asset proxy\n event AssetProxyRegistered(\n bytes4 id, // Id of new registered AssetProxy.\n address assetProxy // Address of new registered AssetProxy.\n );\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal;\n}\n", - "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IExchangeCore.sol\";\n\n\ncontract MExchangeCore is\n IExchangeCore\n{\n // Fill event is emitted whenever an order is filled.\n event Fill(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that received fees.\n address takerAddress, // Address that filled the order.\n address senderAddress, // Address that called the Exchange contract (msg.sender).\n uint256 makerAssetFilledAmount, // Amount of makerAsset sold by maker and bought by taker. \n uint256 takerAssetFilledAmount, // Amount of takerAsset sold by taker and bought by maker.\n uint256 makerFeePaid, // Amount of ZRX paid to feeRecipient by maker.\n uint256 takerFeePaid, // Amount of ZRX paid to feeRecipient by taker.\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // Cancel event is emitted whenever an individual order is cancelled.\n event Cancel(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that would have recieved fees if order was filled. \n address senderAddress, // Address that called the Exchange contract (msg.sender).\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // CancelUpTo event is emitted whenever `cancelOrdersUpTo` is executed succesfully.\n event CancelUpTo(\n address indexed makerAddress, // Orders cancelled must have been created by this address.\n address indexed senderAddress, // Orders cancelled must have a `senderAddress` equal to this address.\n uint256 orderEpoch // Orders with specified makerAddress and senderAddress with a salt less than this value are considered cancelled.\n );\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrderInternal(LibOrder.Order memory order)\n internal;\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function updateFilledState(\n LibOrder.Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n LibFillResults.FillResults memory fillResults\n )\n internal;\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n LibOrder.Order memory order,\n bytes32 orderHash\n )\n internal;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo Status, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view;\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo\n )\n internal\n view;\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n LibOrder.Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.FillResults memory fillResults);\n\n}\n", - "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IMatchOrders.sol\";\n\n\ncontract MMatchOrders is\n IMatchOrders\n{\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure;\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n\n}\n", - "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/ISignatureValidator.sol\";\n\n\ncontract MSignatureValidator is\n ISignatureValidator\n{\n event SignatureValidatorApproval(\n address indexed signerAddress, // Address that approves or disapproves a contract to verify signatures.\n address indexed validatorAddress, // Address of signature validator contract.\n bool approved // Approval or disapproval of validator contract.\n );\n\n // Allowed signature types.\n enum SignatureType {\n Illegal, // 0x00, default value\n Invalid, // 0x01\n EIP712, // 0x02\n EthSign, // 0x03\n Wallet, // 0x04\n Validator, // 0x05\n PreSigned, // 0x06\n NSignatureTypes // 0x07, number of signature types. Always leave at end.\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/mixins/MTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"../interfaces/ITransactions.sol\";\n\n\ncontract MTransactions is\n ITransactions\n{\n // Hash for the EIP712 ZeroEx Transaction Schema\n bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"ZeroExTransaction(\",\n \"uint256 salt,\",\n \"address signerAddress,\",\n \"bytes data\",\n \")\"\n ));\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result);\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address);\n}\n", - "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IWrapperFunctions.sol\";\n\n\ncontract MWrapperFunctions is \n IWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n}\n", - "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/MintableERC20Token.sol\";\n\n\ncontract DummyERC20Token is \n Ownable,\n MintableERC20Token\n{\n string public name;\n string public symbol;\n uint256 public decimals;\n uint256 public constant MAX_MINT_AMOUNT = 10000000000000000000000;\n\n constructor (\n string _name,\n string _symbol,\n uint256 _decimals,\n uint256 _totalSupply\n )\n public\n {\n name = _name;\n symbol = _symbol;\n decimals = _decimals;\n _totalSupply = _totalSupply;\n balances[msg.sender] = _totalSupply;\n }\n\n /// @dev Sets the balance of target address\n /// @param _target Address or which balance will be updated\n /// @param _value New balance of target address\n function setBalance(address _target, uint256 _value)\n external\n onlyOwner\n {\n uint256 currBalance = balances[_target];\n if (_value < currBalance) {\n _totalSupply = safeSub(_totalSupply, safeSub(currBalance, _value));\n } else {\n _totalSupply = safeAdd(_totalSupply, safeSub(_value, currBalance));\n }\n balances[_target] = _value;\n }\n\n /// @dev Mints new tokens for sender\n /// @param _value Amount of tokens to mint\n function mint(uint256 _value)\n external\n {\n require(\n _value <= MAX_MINT_AMOUNT,\n \"VALUE_TOO_LARGE\"\n );\n\n _mint(msg.sender, _value);\n }\n}\n", - "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../tokens/ERC721Token/MintableERC721Token.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract DummyERC721Token is\n Ownable,\n MintableERC721Token\n{\n string public name;\n string public symbol;\n\n constructor (\n string _name,\n string _symbol\n )\n public\n {\n name = _name;\n symbol = _symbol;\n }\n\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function mint(address _to, uint256 _tokenId)\n external\n {\n _mint(_to, _tokenId);\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist or not called by contract owner\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function burn(address _owner, uint256 _tokenId)\n external\n onlyOwner\n {\n _burn(_owner, _tokenId);\n }\n}\n", - "2.0.0/tokens/ERC20Token/ERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC20Token.sol\";\n\n\ncontract ERC20Token is\n IERC20Token\n{\n mapping (address => uint256) internal balances;\n mapping (address => mapping (address => uint256)) internal allowed;\n\n uint256 internal _totalSupply;\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool)\n {\n require(\n balances[msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[msg.sender] -= _value;\n balances[_to] += _value;\n\n emit Transfer(\n msg.sender,\n _to,\n _value\n );\n\n return true;\n }\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowed[_from][msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n allowed[_from][msg.sender] -= _value;\n \n emit Transfer(\n _from,\n _to,\n _value\n );\n \n return true;\n }\n\n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool)\n {\n allowed[msg.sender][_spender] = _value;\n emit Approval(\n msg.sender,\n _spender,\n _value\n );\n return true;\n }\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256)\n {\n return _totalSupply;\n }\n\n /// @dev Query the balance of owner\n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n return balances[_owner];\n }\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256)\n {\n return allowed[_owner][_spender];\n }\n}\n", - "2.0.0/tokens/ERC20Token/IERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n \n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n \n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", - "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/SafeMath/SafeMath.sol\";\nimport \"./UnlimitedAllowanceERC20Token.sol\";\n\n\ncontract MintableERC20Token is \n SafeMath,\n UnlimitedAllowanceERC20Token\n{\n /// @dev Mints new tokens\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _value Amount of tokens to mint\n function _mint(address _to, uint256 _value)\n internal\n {\n balances[_to] = safeAdd(_value, balances[_to]);\n _totalSupply = safeAdd(_totalSupply, _value);\n\n emit Transfer(\n address(0),\n _to,\n _value\n );\n }\n\n /// @dev Mints new tokens\n /// @param _owner Owner of tokens that will be burned\n /// @param _value Amount of tokens to burn\n function _burn(address _owner, uint256 _value)\n internal\n {\n balances[_owner] = safeSub(balances[_owner], _value);\n _totalSupply = safeSub(_totalSupply, _value);\n\n emit Transfer(\n _owner,\n address(0),\n _value\n );\n }\n}\n", - "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/ERC20Token.sol\";\n\n\ncontract UnlimitedAllowanceERC20Token is\n ERC20Token\n{\n uint256 constant internal MAX_UINT = 2**256 - 1;\n\n /// @dev ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited allowance. See https://github.com/ethereum/EIPs/issues/717\n /// @param _from Address to transfer from.\n /// @param _to Address to transfer to.\n /// @param _value Amount to transfer.\n /// @return Success of transfer.\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n uint256 allowance = allowed[_from][msg.sender];\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowance >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n if (allowance < MAX_UINT) {\n allowed[_from][msg.sender] -= _value;\n }\n\n emit Transfer(\n _from,\n _to,\n _value\n );\n\n return true;\n }\n}\n", - "2.0.0/tokens/ERC721Token/ERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC721Token.sol\";\nimport \"./IERC721Receiver.sol\";\nimport \"../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract ERC721Token is\n IERC721Token,\n SafeMath\n{\n // Function selector for ERC721Receiver.onERC721Received\n // 0x150b7a02\n bytes4 constant internal ERC721_RECEIVED = bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"));\n\n // Mapping of tokenId => owner\n mapping (uint256 => address) internal owners;\n\n // Mapping of tokenId => approved address\n mapping (uint256 => address) internal approvals;\n\n // Mapping of owner => number of tokens owned\n mapping (address => uint256) internal balances;\n\n // Mapping of owner => operator => approved\n mapping (address => mapping (address => bool)) internal operatorApprovals;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n _data\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n \"\"\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external\n {\n address owner = ownerOf(_tokenId);\n require(\n msg.sender == owner || isApprovedForAll(owner, msg.sender),\n \"ERC721_INVALID_SENDER\"\n );\n\n approvals[_tokenId] = _approved;\n emit Approval(\n owner,\n _approved,\n _tokenId\n );\n }\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external\n {\n operatorApprovals[msg.sender][_operator] = _approved;\n emit ApprovalForAll(\n msg.sender,\n _operator,\n _approved\n );\n }\n \n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return balances[_owner];\n }\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = ownerOf(_tokenId);\n require(\n _from == owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n address spender = msg.sender;\n address approvedAddress = getApproved(_tokenId);\n require(\n spender == owner ||\n isApprovedForAll(owner, spender) ||\n approvedAddress == spender,\n \"ERC721_INVALID_SPENDER\"\n );\n\n if (approvedAddress != address(0)) {\n approvals[_tokenId] = address(0);\n }\n\n owners[_tokenId] = _to;\n balances[_from] = safeSub(balances[_from], 1);\n balances[_to] = safeAdd(balances[_to], 1);\n \n emit Transfer(\n _from,\n _to,\n _tokenId\n );\n }\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address)\n {\n address owner = owners[_tokenId];\n require(\n owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return owner;\n }\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId)\n public\n view\n returns (address)\n {\n return approvals[_tokenId];\n }\n\n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool)\n {\n return operatorApprovals[_owner][_operator];\n }\n}\n", - "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Receiver {\n\n /// @notice Handle the receipt of an NFT\n /// @dev The ERC721 smart contract calls this function on the recipient\n /// after a `transfer`. This function MAY throw to revert and reject the\n /// transfer. Return of other than the magic value MUST result in the\n /// transaction being reverted.\n /// Note: the contract address is always the message sender.\n /// @param _operator The address which called `safeTransferFrom` function\n /// @param _from The address which previously owned the token\n /// @param _tokenId The NFT identifier which is being transferred\n /// @param _data Additional data with no specified format\n /// @return `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`\n /// unless throwing\n function onERC721Received(\n address _operator,\n address _from,\n uint256 _tokenId,\n bytes _data\n )\n external\n returns (bytes4);\n}\n", - "2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Token {\n\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(\n address indexed _owner,\n address indexed _approved,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(\n address indexed _owner,\n address indexed _operator,\n bool _approved\n );\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// perator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external;\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public;\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address);\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) \n public\n view\n returns (address);\n \n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool);\n}\n", - "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./ERC721Token.sol\";\n\n\ncontract MintableERC721Token is\n ERC721Token\n{\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function _mint(address _to, uint256 _tokenId)\n internal\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == address(0),\n \"ERC721_OWNER_ALREADY_EXISTS\"\n );\n\n owners[_tokenId] = _to;\n balances[_to] = safeAdd(balances[_to], 1);\n\n emit Transfer(\n address(0),\n _to,\n _tokenId\n );\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function _burn(address _owner, uint256 _tokenId)\n internal\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == _owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n owners[_tokenId] = address(0);\n balances[_owner] = safeSub(balances[_owner], 1);\n\n emit Transfer(\n _owner,\n address(0),\n _tokenId\n );\n }\n}\n", - "2.0.0/tokens/EtherToken/IEtherToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/IERC20Token.sol\";\n\n\ncontract IEtherToken is\n IERC20Token\n{\n function deposit()\n public\n payable;\n \n function withdraw(uint256 amount)\n public;\n}\n", - "2.0.0/utils/LibBytes/LibBytes.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\nlibrary LibBytes {\n\n using LibBytes for bytes;\n\n /// @dev Gets the memory address for a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of byte array. This\n /// points to the header of the byte array which contains\n /// the length.\n function rawAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := input\n }\n return memoryAddress;\n }\n \n /// @dev Gets the memory address for the contents of a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of the contents of the byte array.\n function contentAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := add(input, 32)\n }\n return memoryAddress;\n }\n\n /// @dev Copies `length` bytes from memory location `source` to `dest`.\n /// @param dest memory address to copy bytes to.\n /// @param source memory address to copy bytes from.\n /// @param length number of bytes to copy.\n function memCopy(\n uint256 dest,\n uint256 source,\n uint256 length\n )\n internal\n pure\n {\n if (length < 32) {\n // Handle a partial word by reading destination and masking\n // off the bits we are interested in.\n // This correctly handles overlap, zero lengths and source == dest\n assembly {\n let mask := sub(exp(256, sub(32, length)), 1)\n let s := and(mload(source), not(mask))\n let d := and(mload(dest), mask)\n mstore(dest, or(s, d))\n }\n } else {\n // Skip the O(length) loop when source == dest.\n if (source == dest) {\n return;\n }\n\n // For large copies we copy whole words at a time. The final\n // word is aligned to the end of the range (instead of after the\n // previous) to handle partial words. So a copy will look like this:\n //\n // ####\n // ####\n // ####\n // ####\n //\n // We handle overlap in the source and destination range by\n // changing the copying direction. This prevents us from\n // overwriting parts of source that we still need to copy.\n //\n // This correctly handles source == dest\n //\n if (source > dest) {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because it\n // is easier to compare with in the loop, and these\n // are also the addresses we need for copying the\n // last bytes.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the last 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the last bytes in\n // source already due to overlap.\n let last := mload(sEnd)\n\n // Copy whole words front to back\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} lt(source, sEnd) {} {\n mstore(dest, mload(source))\n source := add(source, 32)\n dest := add(dest, 32)\n }\n \n // Write the last 32 bytes\n mstore(dEnd, last)\n }\n } else {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because those\n // are the starting points when copying a word at the end.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the first 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the first bytes in\n // source already due to overlap.\n let first := mload(source)\n\n // Copy whole words back to front\n // We use a signed comparisson here to allow dEnd to become\n // negative (happens when source and dest < 32). Valid\n // addresses in local memory will never be larger than\n // 2**255, so they can be safely re-interpreted as signed.\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} slt(dest, dEnd) {} {\n mstore(dEnd, mload(sEnd))\n sEnd := sub(sEnd, 32)\n dEnd := sub(dEnd, 32)\n }\n \n // Write the first 32 bytes\n mstore(dest, first)\n }\n }\n }\n }\n\n /// @dev Returns a slices from a byte array.\n /// @param b The byte array to take a slice from.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n function slice(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure and copy contents\n result = new bytes(to - from);\n memCopy(\n result.contentAddress(),\n b.contentAddress() + from,\n result.length\n );\n return result;\n }\n \n /// @dev Returns a slice from a byte array without preserving the input.\n /// @param b The byte array to take a slice from. Will be destroyed in the process.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n /// @dev When `from == 0`, the original array will match the slice. In other cases its state will be corrupted.\n function sliceDestructive(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure around [from, to) in-place.\n assembly {\n result := add(b, from)\n mstore(result, sub(to, from))\n }\n return result;\n }\n\n /// @dev Pops the last byte off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The byte that was popped off.\n function popLastByte(bytes memory b)\n internal\n pure\n returns (bytes1 result)\n {\n require(\n b.length > 0,\n \"GREATER_THAN_ZERO_LENGTH_REQUIRED\"\n );\n\n // Store last byte.\n result = b[b.length - 1];\n\n assembly {\n // Decrement length of byte array.\n let newLen := sub(mload(b), 1)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Pops the last 20 bytes off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The 20 byte address that was popped off.\n function popLast20Bytes(bytes memory b)\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= 20,\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Store last 20 bytes.\n result = readAddress(b, b.length - 20);\n\n assembly {\n // Subtract 20 from byte array length.\n let newLen := sub(mload(b), 20)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Tests equality of two byte arrays.\n /// @param lhs First byte array to compare.\n /// @param rhs Second byte array to compare.\n /// @return True if arrays are the same. False otherwise.\n function equals(\n bytes memory lhs,\n bytes memory rhs\n )\n internal\n pure\n returns (bool equal)\n {\n // Keccak gas cost is 30 + numWords * 6. This is a cheap way to compare.\n // We early exit on unequal lengths, but keccak would also correctly\n // handle this.\n return lhs.length == rhs.length && keccak256(lhs) == keccak256(rhs);\n }\n\n /// @dev Reads an address from a position in a byte array.\n /// @param b Byte array containing an address.\n /// @param index Index in byte array of address.\n /// @return address from byte array.\n function readAddress(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Read address from array memory\n assembly {\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 20-byte mask to obtain address\n result := and(mload(add(b, index)), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n return result;\n }\n\n /// @dev Writes an address into a specific position in a byte array.\n /// @param b Byte array to insert address into.\n /// @param index Index in byte array of address.\n /// @param input Address to put into byte array.\n function writeAddress(\n bytes memory b,\n uint256 index,\n address input\n )\n internal\n pure\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Store address into array memory\n assembly {\n // The address occupies 20 bytes and mstore stores 32 bytes.\n // First fetch the 32-byte word where we'll be storing the address, then\n // apply a mask so we have only the bytes in the word that the address will not occupy.\n // Then combine these bytes with the address and store the 32 bytes back to memory with mstore.\n\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 12-byte mask to obtain extra bytes occupying word of memory where we'll store the address\n let neighbors := and(\n mload(add(b, index)),\n 0xffffffffffffffffffffffff0000000000000000000000000000000000000000\n )\n \n // Make sure input address is clean.\n // (Solidity does not guarantee this)\n input := and(input, 0xffffffffffffffffffffffffffffffffffffffff)\n\n // Store the neighbors and address into memory\n mstore(add(b, index), xor(input, neighbors))\n }\n }\n\n /// @dev Reads a bytes32 value from a position in a byte array.\n /// @param b Byte array containing a bytes32 value.\n /// @param index Index in byte array of bytes32 value.\n /// @return bytes32 value from byte array.\n function readBytes32(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes32 result)\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n result := mload(add(b, index))\n }\n return result;\n }\n\n /// @dev Writes a bytes32 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes32 to put into byte array.\n function writeBytes32(\n bytes memory b,\n uint256 index,\n bytes32 input\n )\n internal\n pure\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n mstore(add(b, index), input)\n }\n }\n\n /// @dev Reads a uint256 value from a position in a byte array.\n /// @param b Byte array containing a uint256 value.\n /// @param index Index in byte array of uint256 value.\n /// @return uint256 value from byte array.\n function readUint256(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (uint256 result)\n {\n result = uint256(readBytes32(b, index));\n return result;\n }\n\n /// @dev Writes a uint256 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input uint256 to put into byte array.\n function writeUint256(\n bytes memory b,\n uint256 index,\n uint256 input\n )\n internal\n pure\n {\n writeBytes32(b, index, bytes32(input));\n }\n\n /// @dev Reads an unpadded bytes4 value from a position in a byte array.\n /// @param b Byte array containing a bytes4 value.\n /// @param index Index in byte array of bytes4 value.\n /// @return bytes4 value from byte array.\n function readBytes4(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes4 result)\n {\n require(\n b.length >= index + 4,\n \"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 32 byte length field\n index += 32;\n\n // Read the bytes4 from array memory\n assembly {\n result := mload(add(b, index))\n // Solidity does not require us to clean the trailing bytes.\n // We do it anyway\n result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)\n }\n return result;\n }\n\n /// @dev Reads nested bytes from a specific position.\n /// @dev NOTE: the returned value overlaps with the input value.\n /// Both should be treated as immutable.\n /// @param b Byte array containing nested bytes.\n /// @param index Index of nested bytes.\n /// @return result Nested bytes.\n function readBytesWithLength(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes memory result)\n {\n // Read length of nested bytes\n uint256 nestedBytesLength = readUint256(b, index);\n index += 32;\n\n // Assert length of is valid, given\n // length of nested bytes\n require(\n b.length >= index + nestedBytesLength,\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n \n // Return a pointer to the byte array as it exists inside `b`\n assembly {\n result := add(b, index)\n }\n return result;\n }\n\n /// @dev Inserts bytes at a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes to insert.\n function writeBytesWithLength(\n bytes memory b,\n uint256 index,\n bytes memory input\n )\n internal\n pure\n {\n // Assert length of is valid, given\n // length of input\n require(\n b.length >= index + 32 + input.length, // 32 bytes to store length\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n\n // Copy into \n memCopy(\n b.contentAddress() + index,\n input.rawAddress(), // includes length of \n input.length + 32 // +32 bytes to store length\n );\n }\n\n /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length.\n /// @param dest Byte array that will be overwritten with source bytes.\n /// @param source Byte array to copy onto dest bytes.\n function deepCopyBytes(\n bytes memory dest,\n bytes memory source\n )\n internal\n pure\n {\n uint256 sourceLen = source.length;\n // Dest length must be >= source length, or some bytes would not be copied.\n require(\n dest.length >= sourceLen,\n \"GREATER_OR_EQUAL_TO_SOURCE_BYTES_LENGTH_REQUIRED\"\n );\n memCopy(\n dest.contentAddress(),\n source.contentAddress(),\n sourceLen\n );\n }\n}\n", - "2.0.0/utils/Ownable/IOwnable.sol": "pragma solidity 0.4.24;\n\n\ncontract IOwnable {\n\n function transferOwnership(address newOwner)\n public;\n}\n", - "2.0.0/utils/Ownable/Ownable.sol": "pragma solidity 0.4.24;\n\nimport \"./IOwnable.sol\";\n\n\ncontract Ownable is\n IOwnable\n{\n address public owner;\n\n constructor ()\n public\n {\n owner = msg.sender;\n }\n\n modifier onlyOwner() {\n require(\n msg.sender == owner,\n \"ONLY_CONTRACT_OWNER\"\n );\n _;\n }\n\n function transferOwnership(address newOwner)\n public\n onlyOwner\n {\n if (newOwner != address(0)) {\n owner = newOwner;\n }\n }\n}\n", - "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ReentrancyGuard {\n\n // Locked state of mutex\n bool private locked = false;\n\n /// @dev Functions with this modifer cannot be reentered. The mutex will be locked\n /// before function execution and unlocked after.\n modifier nonReentrant() {\n // Ensure mutex is unlocked\n require(\n !locked,\n \"REENTRANCY_ILLEGAL\"\n );\n\n // Lock mutex before function call\n locked = true;\n\n // Perform function call\n _;\n\n // Unlock mutex after function call\n locked = false;\n }\n}\n", - "2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n\n function safeMul(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(\n c / a == b,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function safeDiv(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a / b;\n return c;\n }\n\n function safeSub(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n require(\n b <= a,\n \"UINT256_UNDERFLOW\"\n );\n return a - b;\n }\n\n function safeAdd(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a + b;\n require(\n c >= a,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function max64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n\n function max256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n}\n" - }, - "sourceTreeHashHex": "0xbd0ac9751d7681f909fd16b969568f4dfcee9893e0b084aa1b198b6bb38f8f48", - "compiler": { - "name": "solc", - "version": "soljson-v0.4.24+commit.e67f0147.js", - "settings": { - "optimizer": { - "enabled": true, - "runs": 1000000 - }, - "outputSelection": { - "*": { - "*": [ - "abi", - "evm.bytecode.object", - "evm.bytecode.sourceMap", - "evm.deployedBytecode.object", - "evm.deployedBytecode.sourceMap" - ] - } - } - } - }, - "networks": { - "3": { - "address": "0xff67881f8d12f372d91baae9752eb3631ff0ed00", - "links": {}, - "constructorArgs": "[\"0x Protocol Token\",\"ZRX\",\"18\",\"1000000000000000000000000000\"]" - }, - "42": { - "address": "0x2002d3812f58e35f0ea1ffbf80a75a38c32175fa", - "links": {}, - "constructorArgs": "[\"0x Protocol Token\",\"ZRX\",\"18\",\"1000000000000000000000000000\"]" - }, - "50": { - "address": "0x871dd7c2b4b25e1aa18728e9d5f2af4c4e431f5c", - "links": {}, - "constructorArgs": "[\"0x Protocol Token\",\"ZRX\",\"18\",\"115792089237316195423570985008687907853269984665640564039457584007913129639935\"]" - } - } -} diff --git a/packages/migrations/artifacts/2.0.0-mainnet/DummyERC721Token.json b/packages/migrations/artifacts/2.0.0-mainnet/DummyERC721Token.json deleted file mode 100644 index f0363ad81..000000000 --- a/packages/migrations/artifacts/2.0.0-mainnet/DummyERC721Token.json +++ /dev/null @@ -1,672 +0,0 @@ -{ - "schemaVersion": "2.0.0", - "contractName": "DummyERC721Token", - "compilerOutput": { - "abi": [ - { - "constant": true, - "inputs": [], - "name": "name", - "outputs": [ - { - "name": "", - "type": "string" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "_tokenId", - "type": "uint256" - } - ], - "name": "getApproved", - "outputs": [ - { - "name": "", - "type": "address" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "_approved", - "type": "address" - }, - { - "name": "_tokenId", - "type": "uint256" - } - ], - "name": "approve", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "_from", - "type": "address" - }, - { - "name": "_to", - "type": "address" - }, - { - "name": "_tokenId", - "type": "uint256" - } - ], - "name": "transferFrom", - "outputs": [], - "payable": false, - 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DUP3 ISZERO PUSH3 0xF1 JUMPI SWAP2 DUP3 ADD JUMPDEST DUP3 DUP2 GT ISZERO PUSH3 0xF1 JUMPI DUP3 MLOAD DUP3 SSTORE SWAP2 PUSH1 0x20 ADD SWAP2 SWAP1 PUSH1 0x1 ADD SWAP1 PUSH3 0xD4 JUMP JUMPDEST POP PUSH3 0xFF SWAP3 SWAP2 POP PUSH3 0x103 JUMP JUMPDEST POP SWAP1 JUMP JUMPDEST PUSH3 0x120 SWAP2 SWAP1 JUMPDEST DUP1 DUP3 GT ISZERO PUSH3 0xFF JUMPI PUSH1 0x0 DUP2 SSTORE PUSH1 0x1 ADD PUSH3 0x10A JUMP JUMPDEST SWAP1 JUMP JUMPDEST PUSH2 0x162B DUP1 PUSH3 0x133 PUSH1 0x0 CODECOPY PUSH1 0x0 RETURN STOP PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0xDA JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x6FDDE03 DUP2 EQ PUSH2 0xDF JUMPI DUP1 PUSH4 0x81812FC EQ PUSH2 0x169 JUMPI DUP1 PUSH4 0x95EA7B3 EQ PUSH2 0x1AA JUMPI DUP1 PUSH4 0x23B872DD EQ PUSH2 0x1DD JUMPI DUP1 PUSH4 0x40C10F19 EQ PUSH2 0x214 JUMPI DUP1 PUSH4 0x42842E0E EQ PUSH2 0x245 JUMPI DUP1 PUSH4 0x6352211E EQ PUSH2 0x27C JUMPI DUP1 PUSH4 0x70A08231 EQ PUSH2 0x294 JUMPI DUP1 PUSH4 0x8DA5CB5B EQ PUSH2 0x2D4 JUMPI DUP1 PUSH4 0x95D89B41 EQ PUSH2 0x2E9 JUMPI DUP1 PUSH4 0x9DC29FAC EQ PUSH2 0x2FE JUMPI DUP1 PUSH4 0xA22CB465 EQ PUSH2 0x32F JUMPI DUP1 PUSH4 0xB88D4FDE EQ PUSH2 0x362 JUMPI DUP1 PUSH4 0xE985E9C5 EQ PUSH2 0x3A8 JUMPI DUP1 PUSH4 0xF2FDE38B EQ PUSH2 0x3F0 JUMPI JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xEB JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xF4 PUSH2 0x41E JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 ADD SWAP1 DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x12E JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x116 JUMP JUMPDEST POP POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x15B JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x175 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x181 PUSH1 0x4 CALLDATALOAD PUSH2 0x4CA JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1B6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x4F2 JUMP JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1E9 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x616 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x220 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x977 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x251 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x985 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x288 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x181 PUSH1 0x4 CALLDATALOAD PUSH2 0xB50 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2A0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0xBE9 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2E0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x181 PUSH2 0xC98 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2F5 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xF4 PUSH2 0xCB4 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x30A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0xD2D JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x33B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD ISZERO ISZERO PUSH2 0xDBD JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x36E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 DUP1 CALLDATALOAD DUP3 AND SWAP2 PUSH1 0x24 DUP1 CALLDATALOAD SWAP1 SWAP2 AND SWAP2 PUSH1 0x44 CALLDATALOAD SWAP2 PUSH1 0x64 CALLDATALOAD SWAP1 DUP2 ADD SWAP2 ADD CALLDATALOAD PUSH2 0xE56 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3B4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x3DC PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0x103A JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3FC JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x1075 JUMP JUMPDEST PUSH1 0x5 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x4C2 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x497 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x4C2 JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x4A5 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP DUP2 JUMP JUMPDEST PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x4FD DUP3 PUSH2 0xB50 JUMP JUMPDEST SWAP1 POP CALLER PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND EQ DUP1 PUSH2 0x528 JUMPI POP PUSH2 0x528 DUP2 CALLER PUSH2 0x103A JUMP JUMPDEST ISZERO ISZERO PUSH2 0x595 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F53454E4445520000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 DUP2 AND SWAP2 DUP3 OR SWAP1 SWAP3 SSTORE SWAP2 MLOAD DUP6 SWAP4 SWAP2 DUP6 AND SWAP2 PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 SWAP2 LOG4 POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP6 AND ISZERO ISZERO PUSH2 0x69E JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F544F5F4144445245535300000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH2 0x6A7 DUP5 PUSH2 0xB50 JUMP JUMPDEST SWAP3 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 DUP2 AND SWAP1 DUP5 AND EQ PUSH2 0x730 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F4F574E45525F4D49534D415443480000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST CALLER SWAP2 POP PUSH2 0x73C DUP5 PUSH2 0x4CA JUMP JUMPDEST SWAP1 POP DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ DUP1 PUSH2 0x77D JUMPI POP PUSH2 0x77D DUP4 DUP4 PUSH2 0x103A JUMP JUMPDEST DUP1 PUSH2 0x7B3 JUMPI POP DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ JUMPDEST ISZERO ISZERO PUSH2 0x820 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F5350454E44455200000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0x871 JUMPI PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND SWAP1 SSTORE JUMPDEST PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP12 DUP2 AND SWAP2 SWAP1 SWAP2 OR SWAP1 SWAP2 SSTORE DUP11 AND DUP5 MSTORE PUSH1 0x3 SWAP1 SWAP2 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD PUSH2 0x8DB SWAP2 PUSH2 0x115B JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP9 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 SWAP4 SWAP1 SWAP4 SSTORE SWAP1 DUP8 AND DUP2 MSTORE KECCAK256 SLOAD PUSH2 0x918 SWAP1 PUSH1 0x1 PUSH2 0x11D2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP8 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 SWAP5 SWAP1 SWAP5 SSTORE SWAP3 MLOAD DUP8 SWAP4 SWAP2 SWAP3 DUP11 AND SWAP2 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP2 LOG4 POP POP POP POP POP POP JUMP JUMPDEST PUSH2 0x981 DUP3 DUP3 PUSH2 0x124D JUMP JUMPDEST POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0x993 DUP6 DUP6 DUP6 PUSH2 0x616 JUMP JUMPDEST DUP4 EXTCODESIZE SWAP2 POP PUSH1 0x0 DUP3 GT ISZERO PUSH2 0xB49 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x150B7A0200000000000000000000000000000000000000000000000000000000 DUP2 MSTORE CALLER PUSH1 0x4 DUP3 ADD MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 DUP2 AND PUSH1 0x24 DUP4 ADD MSTORE PUSH1 0x44 DUP3 ADD DUP7 SWAP1 MSTORE PUSH1 0x80 PUSH1 0x64 DUP4 ADD MSTORE PUSH1 0x0 PUSH1 0x84 DUP4 ADD DUP2 SWAP1 MSTORE SWAP3 MLOAD SWAP1 DUP8 AND SWAP3 PUSH4 0x150B7A02 SWAP3 PUSH1 0xC4 DUP1 DUP3 ADD SWAP4 PUSH1 0x20 SWAP4 SWAP1 SWAP3 DUP4 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 DUP3 SWAP1 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0xA30 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0xA44 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x20 DUP2 LT ISZERO PUSH2 0xA5A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP MLOAD PUSH1 0x40 DUP1 MLOAD PUSH32 0x6F6E455243373231526563656976656428616464726573732C61646472657373 DUP2 MSTORE PUSH32 0x2C75696E743235362C6279746573290000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x2F ADD SWAP1 KECCAK256 SWAP1 SWAP2 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP1 DUP4 AND SWAP2 AND EQ PUSH2 0xB49 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x17 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F53454C4543544F52000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP1 ISZERO ISZERO PUSH2 0xBE3 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F4F574E4552000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND ISZERO ISZERO PUSH2 0xC6F JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F4F574E4552000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD SWAP1 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x6 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x4C2 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x497 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x4C2 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xDB3 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH2 0x981 DUP3 DUP3 PUSH2 0x1425 JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP1 DUP6 MSTORE SWAP1 DUP4 MSTORE SWAP3 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND DUP7 ISZERO ISZERO SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP2 MLOAD SWAP1 DUP2 MSTORE SWAP1 MLOAD SWAP3 SWAP4 SWAP3 PUSH32 0x17307EAB39AB6107E8899845AD3D59BD9653F200F220920489CA2B5937696C31 SWAP3 SWAP2 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0xE64 DUP8 DUP8 DUP8 PUSH2 0x616 JUMP JUMPDEST DUP6 EXTCODESIZE SWAP2 POP PUSH1 0x0 DUP3 GT ISZERO PUSH2 0x1031 JUMPI PUSH1 0x40 MLOAD PUSH32 0x150B7A0200000000000000000000000000000000000000000000000000000000 DUP2 MSTORE CALLER PUSH1 0x4 DUP3 ADD DUP2 DUP2 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP11 DUP2 AND PUSH1 0x24 DUP6 ADD MSTORE PUSH1 0x44 DUP5 ADD DUP10 SWAP1 MSTORE PUSH1 0x80 PUSH1 0x64 DUP6 ADD SWAP1 DUP2 MSTORE PUSH1 0x84 DUP6 ADD DUP9 SWAP1 MSTORE SWAP1 DUP11 AND SWAP4 PUSH4 0x150B7A02 SWAP4 SWAP3 DUP13 SWAP3 DUP12 SWAP3 DUP12 SWAP3 DUP12 SWAP3 SWAP1 SWAP2 PUSH1 0xA4 ADD DUP5 DUP5 DUP1 DUP3 DUP5 CALLDATACOPY DUP3 ADD SWAP2 POP POP SWAP7 POP POP POP POP POP POP POP PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0xF18 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0xF2C JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x20 DUP2 LT ISZERO PUSH2 0xF42 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP MLOAD PUSH1 0x40 DUP1 MLOAD PUSH32 0x6F6E455243373231526563656976656428616464726573732C61646472657373 DUP2 MSTORE PUSH32 0x2C75696E743235362C6279746573290000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x2F ADD SWAP1 KECCAK256 SWAP1 SWAP2 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP1 DUP4 AND SWAP2 AND EQ PUSH2 0x1031 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x17 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F53454C4543544F52000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP POP POP POP POP POP POP JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP2 DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP4 SWAP1 SWAP5 AND DUP3 MSTORE SWAP2 SWAP1 SWAP2 MSTORE KECCAK256 SLOAD PUSH1 0xFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x10FB JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0x1158 JUMPI PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND OR SWAP1 SSTORE JUMPDEST POP JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 GT ISZERO PUSH2 0x11CC JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F554E444552464C4F57000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP SWAP1 SUB SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 ADD DUP4 DUP2 LT ISZERO PUSH2 0x1246 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND ISZERO ISZERO PUSH2 0x12D3 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F544F5F4144445245535300000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP1 ISZERO PUSH2 0x1366 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1B PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F4F574E45525F414C52454144595F4558495354530000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP10 AND SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP5 MSTORE PUSH1 0x3 SWAP1 SWAP2 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD PUSH2 0x13CC SWAP2 PUSH2 0x11D2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 SWAP4 SWAP1 SWAP4 SSTORE SWAP2 MLOAD DUP5 SWAP3 SWAP1 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP1 DUP3 SWAP1 LOG4 POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND ISZERO ISZERO PUSH2 0x14AB JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x19 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F4F574E45525F4144445245535300000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 DUP2 AND SWAP1 DUP4 AND DUP2 EQ PUSH2 0x1543 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F4F574E45525F4D49534D415443480000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND SWAP1 SSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP5 MSTORE PUSH1 0x3 SWAP1 SWAP2 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD PUSH2 0x15A5 SWAP2 PUSH2 0x115B JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 SWAP4 SWAP1 SWAP4 SSTORE SWAP2 MLOAD DUP5 SWAP3 SWAP2 SWAP1 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP1 DUP4 SWAP1 LOG4 POP POP POP JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 0xb4 CREATE 0xe9 SWAP3 RETURNDATASIZE 0xf6 DUP2 0xb3 SWAP13 PUSH22 0xC35907B3B53E3D18D5D27A56215BE103C035936A9E0 STOP 0x29 ", - "sourceMap": "743:1013:51:-;;;866:139;8:9:-1;5:2;;;30:1;27;20:12;5:2;866:139:51;;;;;;;;;;;;;;;;;;;;;162:5:63;:18;;-1:-1:-1;;;;;;162:18:63;170:10;162:18;;;866:139:51;;;960:12;;866:139;;;;;;;960:12;;:4;;:12;;;;;:::i;:::-;-1:-1:-1;982:16:51;;;;:6;;:16;;;;;:::i;:::-;;866:139;;743:1013;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;743:1013:51;;;-1:-1:-1;743:1013:51;:::i;:::-;;;:::o;:::-;;;;;;;;;;;;;;;;;;;;:::o;:::-;;;;;;;" - }, - "deployedBytecode": { - "linkReferences": {}, - "object": 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- "opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0xDA JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x6FDDE03 DUP2 EQ PUSH2 0xDF JUMPI DUP1 PUSH4 0x81812FC EQ PUSH2 0x169 JUMPI DUP1 PUSH4 0x95EA7B3 EQ PUSH2 0x1AA JUMPI DUP1 PUSH4 0x23B872DD EQ PUSH2 0x1DD JUMPI DUP1 PUSH4 0x40C10F19 EQ PUSH2 0x214 JUMPI DUP1 PUSH4 0x42842E0E EQ PUSH2 0x245 JUMPI DUP1 PUSH4 0x6352211E EQ PUSH2 0x27C JUMPI DUP1 PUSH4 0x70A08231 EQ PUSH2 0x294 JUMPI DUP1 PUSH4 0x8DA5CB5B EQ PUSH2 0x2D4 JUMPI DUP1 PUSH4 0x95D89B41 EQ PUSH2 0x2E9 JUMPI DUP1 PUSH4 0x9DC29FAC EQ PUSH2 0x2FE JUMPI DUP1 PUSH4 0xA22CB465 EQ PUSH2 0x32F JUMPI DUP1 PUSH4 0xB88D4FDE EQ PUSH2 0x362 JUMPI DUP1 PUSH4 0xE985E9C5 EQ PUSH2 0x3A8 JUMPI DUP1 PUSH4 0xF2FDE38B EQ PUSH2 0x3F0 JUMPI JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xEB JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xF4 PUSH2 0x41E JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 ADD SWAP1 DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x12E JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x116 JUMP JUMPDEST POP POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x15B JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x175 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x181 PUSH1 0x4 CALLDATALOAD PUSH2 0x4CA JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1B6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x4F2 JUMP JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1E9 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x616 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x220 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x977 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x251 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x985 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x288 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x181 PUSH1 0x4 CALLDATALOAD PUSH2 0xB50 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2A0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0xBE9 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2E0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x181 PUSH2 0xC98 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2F5 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xF4 PUSH2 0xCB4 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x30A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0xD2D JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x33B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD ISZERO ISZERO PUSH2 0xDBD JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x36E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 DUP1 CALLDATALOAD DUP3 AND SWAP2 PUSH1 0x24 DUP1 CALLDATALOAD SWAP1 SWAP2 AND SWAP2 PUSH1 0x44 CALLDATALOAD SWAP2 PUSH1 0x64 CALLDATALOAD SWAP1 DUP2 ADD SWAP2 ADD CALLDATALOAD PUSH2 0xE56 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3B4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x3DC PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0x103A JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3FC JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x1075 JUMP JUMPDEST PUSH1 0x5 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x4C2 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x497 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x4C2 JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x4A5 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP DUP2 JUMP JUMPDEST PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x4FD DUP3 PUSH2 0xB50 JUMP JUMPDEST SWAP1 POP CALLER PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND EQ DUP1 PUSH2 0x528 JUMPI POP PUSH2 0x528 DUP2 CALLER PUSH2 0x103A JUMP JUMPDEST ISZERO ISZERO PUSH2 0x595 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F53454E4445520000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 DUP2 AND SWAP2 DUP3 OR SWAP1 SWAP3 SSTORE SWAP2 MLOAD DUP6 SWAP4 SWAP2 DUP6 AND SWAP2 PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 SWAP2 LOG4 POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP6 AND ISZERO ISZERO PUSH2 0x69E JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F544F5F4144445245535300000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH2 0x6A7 DUP5 PUSH2 0xB50 JUMP JUMPDEST SWAP3 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 DUP2 AND SWAP1 DUP5 AND EQ PUSH2 0x730 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F4F574E45525F4D49534D415443480000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST CALLER SWAP2 POP PUSH2 0x73C DUP5 PUSH2 0x4CA JUMP JUMPDEST SWAP1 POP DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ DUP1 PUSH2 0x77D JUMPI POP PUSH2 0x77D DUP4 DUP4 PUSH2 0x103A JUMP JUMPDEST DUP1 PUSH2 0x7B3 JUMPI POP DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ JUMPDEST ISZERO ISZERO PUSH2 0x820 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F5350454E44455200000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0x871 JUMPI PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND SWAP1 SSTORE JUMPDEST PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP12 DUP2 AND SWAP2 SWAP1 SWAP2 OR SWAP1 SWAP2 SSTORE DUP11 AND DUP5 MSTORE PUSH1 0x3 SWAP1 SWAP2 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD PUSH2 0x8DB SWAP2 PUSH2 0x115B JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP9 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 SWAP4 SWAP1 SWAP4 SSTORE SWAP1 DUP8 AND DUP2 MSTORE KECCAK256 SLOAD PUSH2 0x918 SWAP1 PUSH1 0x1 PUSH2 0x11D2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP8 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 SWAP5 SWAP1 SWAP5 SSTORE SWAP3 MLOAD DUP8 SWAP4 SWAP2 SWAP3 DUP11 AND SWAP2 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP2 LOG4 POP POP POP POP POP POP JUMP JUMPDEST PUSH2 0x981 DUP3 DUP3 PUSH2 0x124D JUMP JUMPDEST POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0x993 DUP6 DUP6 DUP6 PUSH2 0x616 JUMP JUMPDEST DUP4 EXTCODESIZE SWAP2 POP PUSH1 0x0 DUP3 GT ISZERO PUSH2 0xB49 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x150B7A0200000000000000000000000000000000000000000000000000000000 DUP2 MSTORE CALLER PUSH1 0x4 DUP3 ADD MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 DUP2 AND PUSH1 0x24 DUP4 ADD MSTORE PUSH1 0x44 DUP3 ADD DUP7 SWAP1 MSTORE PUSH1 0x80 PUSH1 0x64 DUP4 ADD MSTORE PUSH1 0x0 PUSH1 0x84 DUP4 ADD DUP2 SWAP1 MSTORE SWAP3 MLOAD SWAP1 DUP8 AND SWAP3 PUSH4 0x150B7A02 SWAP3 PUSH1 0xC4 DUP1 DUP3 ADD SWAP4 PUSH1 0x20 SWAP4 SWAP1 SWAP3 DUP4 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 DUP3 SWAP1 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0xA30 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0xA44 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x20 DUP2 LT ISZERO PUSH2 0xA5A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP MLOAD PUSH1 0x40 DUP1 MLOAD PUSH32 0x6F6E455243373231526563656976656428616464726573732C61646472657373 DUP2 MSTORE PUSH32 0x2C75696E743235362C6279746573290000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x2F ADD SWAP1 KECCAK256 SWAP1 SWAP2 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP1 DUP4 AND SWAP2 AND EQ PUSH2 0xB49 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x17 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F53454C4543544F52000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP1 ISZERO ISZERO PUSH2 0xBE3 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F4F574E4552000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND ISZERO ISZERO PUSH2 0xC6F JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F4F574E4552000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD SWAP1 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x6 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x4C2 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x497 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x4C2 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xDB3 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH2 0x981 DUP3 DUP3 PUSH2 0x1425 JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP1 DUP6 MSTORE SWAP1 DUP4 MSTORE SWAP3 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND DUP7 ISZERO ISZERO SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP2 MLOAD SWAP1 DUP2 MSTORE SWAP1 MLOAD SWAP3 SWAP4 SWAP3 PUSH32 0x17307EAB39AB6107E8899845AD3D59BD9653F200F220920489CA2B5937696C31 SWAP3 SWAP2 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0xE64 DUP8 DUP8 DUP8 PUSH2 0x616 JUMP JUMPDEST DUP6 EXTCODESIZE SWAP2 POP PUSH1 0x0 DUP3 GT ISZERO PUSH2 0x1031 JUMPI PUSH1 0x40 MLOAD PUSH32 0x150B7A0200000000000000000000000000000000000000000000000000000000 DUP2 MSTORE CALLER PUSH1 0x4 DUP3 ADD DUP2 DUP2 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP11 DUP2 AND PUSH1 0x24 DUP6 ADD MSTORE PUSH1 0x44 DUP5 ADD DUP10 SWAP1 MSTORE PUSH1 0x80 PUSH1 0x64 DUP6 ADD SWAP1 DUP2 MSTORE PUSH1 0x84 DUP6 ADD DUP9 SWAP1 MSTORE SWAP1 DUP11 AND SWAP4 PUSH4 0x150B7A02 SWAP4 SWAP3 DUP13 SWAP3 DUP12 SWAP3 DUP12 SWAP3 DUP12 SWAP3 SWAP1 SWAP2 PUSH1 0xA4 ADD DUP5 DUP5 DUP1 DUP3 DUP5 CALLDATACOPY DUP3 ADD SWAP2 POP POP SWAP7 POP POP POP POP POP POP POP PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0xF18 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0xF2C JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x20 DUP2 LT ISZERO PUSH2 0xF42 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP MLOAD PUSH1 0x40 DUP1 MLOAD PUSH32 0x6F6E455243373231526563656976656428616464726573732C61646472657373 DUP2 MSTORE PUSH32 0x2C75696E743235362C6279746573290000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x2F ADD SWAP1 KECCAK256 SWAP1 SWAP2 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP1 DUP4 AND SWAP2 AND EQ PUSH2 0x1031 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x17 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F53454C4543544F52000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP POP POP POP POP POP POP JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP2 DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP4 SWAP1 SWAP5 AND DUP3 MSTORE SWAP2 SWAP1 SWAP2 MSTORE KECCAK256 SLOAD PUSH1 0xFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x10FB JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0x1158 JUMPI PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND OR SWAP1 SSTORE JUMPDEST POP JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 GT ISZERO PUSH2 0x11CC JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F554E444552464C4F57000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP SWAP1 SUB SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 ADD DUP4 DUP2 LT ISZERO PUSH2 0x1246 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND ISZERO ISZERO PUSH2 0x12D3 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F544F5F4144445245535300000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP1 ISZERO PUSH2 0x1366 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1B PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F4F574E45525F414C52454144595F4558495354530000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP10 AND SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP5 MSTORE PUSH1 0x3 SWAP1 SWAP2 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD PUSH2 0x13CC SWAP2 PUSH2 0x11D2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 SWAP4 SWAP1 SWAP4 SSTORE SWAP2 MLOAD DUP5 SWAP3 SWAP1 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP1 DUP3 SWAP1 LOG4 POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND ISZERO ISZERO PUSH2 0x14AB JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x19 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F4F574E45525F4144445245535300000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 DUP2 AND SWAP1 DUP4 AND DUP2 EQ PUSH2 0x1543 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F4F574E45525F4D49534D415443480000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND SWAP1 SSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP5 MSTORE PUSH1 0x3 SWAP1 SWAP2 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD PUSH2 0x15A5 SWAP2 PUSH2 0x115B JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 SWAP4 SWAP1 SWAP4 SSTORE SWAP2 MLOAD DUP5 SWAP3 SWAP2 SWAP1 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP1 DUP4 SWAP1 LOG4 POP POP POP JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 0xb4 CREATE 0xe9 SWAP3 RETURNDATASIZE 0xf6 DUP2 0xb3 SWAP13 PUSH22 0xC35907B3B53E3D18D5D27A56215BE103C035936A9E0 STOP 0x29 ", - "sourceMap": 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- } - } - }, - "sources": { - "2.0.0/extensions/Forwarder/Forwarder.sol": { - "id": 0 - }, - "2.0.0/extensions/Forwarder/MixinAssets.sol": { - "id": 1 - }, - "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": { - "id": 2 - }, - "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": { - "id": 3 - }, - "2.0.0/extensions/Forwarder/MixinWeth.sol": { - "id": 4 - }, - "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": { - "id": 5 - }, - "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": { - "id": 6 - }, - "2.0.0/extensions/Forwarder/libs/LibConstants.sol": { - "id": 7 - }, - "2.0.0/extensions/Forwarder/mixins/MAssets.sol": { - "id": 8 - }, - "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": { - "id": 9 - }, - "2.0.0/extensions/Forwarder/mixins/MWeth.sol": { - "id": 10 - }, - "2.0.0/extensions/OrderValidator/OrderValidator.sol": { - "id": 11 - }, - "2.0.0/multisig/MultiSigWallet.sol": { - "id": 12 - }, - "2.0.0/multisig/MultiSigWalletWithTimeLock.sol": { - "id": 13 - }, - "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": { - "id": 14 - }, - "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": { - "id": 15 - }, - "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": { - "id": 16 - }, - "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": { - "id": 17 - }, - "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": { - "id": 18 - }, - "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": { - "id": 19 - }, - "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": { - "id": 20 - }, - "2.0.0/protocol/Exchange/Exchange.sol": { - "id": 21 - }, - "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": { - "id": 22 - }, - "2.0.0/protocol/Exchange/MixinExchangeCore.sol": { - "id": 23 - }, - "2.0.0/protocol/Exchange/MixinMatchOrders.sol": { - "id": 24 - }, - "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": { - "id": 25 - }, - "2.0.0/protocol/Exchange/MixinTransactions.sol": { - "id": 26 - }, - "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": { - "id": 27 - }, - "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": { - "id": 28 - }, - "2.0.0/protocol/Exchange/interfaces/IExchange.sol": { - "id": 29 - }, - "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": { - "id": 30 - }, - "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": { - "id": 31 - }, - "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": { - "id": 32 - }, - "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": { - "id": 33 - }, - "2.0.0/protocol/Exchange/interfaces/IValidator.sol": { - "id": 34 - }, - "2.0.0/protocol/Exchange/interfaces/IWallet.sol": { - "id": 35 - }, - "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": { - "id": 36 - }, - "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": { - "id": 37 - }, - "2.0.0/protocol/Exchange/libs/LibConstants.sol": { - "id": 38 - }, - "2.0.0/protocol/Exchange/libs/LibEIP712.sol": { - "id": 39 - }, - "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": { - "id": 40 - }, - "2.0.0/protocol/Exchange/libs/LibFillResults.sol": { - "id": 41 - }, - "2.0.0/protocol/Exchange/libs/LibMath.sol": { - "id": 42 - }, - "2.0.0/protocol/Exchange/libs/LibOrder.sol": { - "id": 43 - }, - "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": { - "id": 44 - }, - "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": { - "id": 45 - }, - "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": { - "id": 46 - }, - "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": { - "id": 47 - }, - "2.0.0/protocol/Exchange/mixins/MTransactions.sol": { - "id": 48 - }, - "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": { - "id": 49 - }, - "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": { - "id": 50 - }, - "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": { - "id": 51 - }, - "2.0.0/tokens/ERC20Token/ERC20Token.sol": { - "id": 52 - }, - "2.0.0/tokens/ERC20Token/IERC20Token.sol": { - "id": 53 - }, - "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": { - "id": 54 - }, - "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": { - "id": 55 - }, - "2.0.0/tokens/ERC721Token/ERC721Token.sol": { - "id": 56 - }, - "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": { - "id": 57 - }, - "2.0.0/tokens/ERC721Token/IERC721Token.sol": { - "id": 58 - }, - "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": { - "id": 59 - }, - "2.0.0/tokens/EtherToken/IEtherToken.sol": { - "id": 60 - }, - "2.0.0/utils/LibBytes/LibBytes.sol": { - "id": 61 - }, - "2.0.0/utils/Ownable/IOwnable.sol": { - "id": 62 - }, - "2.0.0/utils/Ownable/Ownable.sol": { - "id": 63 - }, - "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": { - "id": 64 - }, - "2.0.0/utils/SafeMath/SafeMath.sol": { - "id": 65 - } - }, - "sourceCodes": { - "2.0.0/extensions/Forwarder/Forwarder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinWeth.sol\";\nimport \"./MixinForwarderCore.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinAssets.sol\";\nimport \"./MixinExchangeWrapper.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Forwarder is\n LibConstants,\n MixinWeth,\n MixinAssets,\n MixinExchangeWrapper,\n MixinForwarderCore\n{\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n LibConstants(\n _exchange,\n _zrxAssetData,\n _wethAssetData\n )\n MixinForwarderCore()\n {}\n}\n", - "2.0.0/extensions/Forwarder/MixinAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MAssets.sol\";\n\n\ncontract MixinAssets is\n Ownable,\n LibConstants,\n MAssets\n{\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256(\"transfer(address,uint256)\"));\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external\n onlyOwner\n {\n transferAssetToSender(assetData, amount);\n }\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n bytes4 proxyId = assetData.readBytes4(0);\n\n if (proxyId == ERC20_DATA_ID) {\n transferERC20Token(assetData, amount);\n } else if (proxyId == ERC721_DATA_ID) {\n transferERC721Token(assetData, amount);\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n }\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n address token = assetData.readAddress(16);\n\n // Transfer tokens.\n // We do a raw call so we can check the success separate\n // from the return data.\n bool success = token.call(abi.encodeWithSelector(\n ERC20_TRANSFER_SELECTOR,\n msg.sender,\n amount\n ));\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n \n // Check return data.\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // value that evaluates to true.\n assembly {\n if returndatasize {\n success := 0\n if eq(returndatasize, 32) {\n // First 64 bytes of memory are reserved scratch space\n returndatacopy(0, 0, 32)\n success := mload(0)\n }\n }\n }\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n }\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n require(\n amount == 1,\n \"INVALID_AMOUNT\"\n );\n // Decode asset data.\n address token = assetData.readAddress(16);\n uint256 tokenId = assetData.readUint256(36);\n\n // Perform transfer.\n IERC721Token(token).transferFrom(\n address(this),\n msg.sender,\n tokenId\n );\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"../../protocol/Exchange/libs/LibAbiEncoder.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinExchangeWrapper is\n LibAbiEncoder,\n LibFillResults,\n LibMath,\n LibConstants,\n MExchangeWrapper\n{\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n address exchange = address(EXCHANGE);\n\n // Call `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := call(\n gas, // forward all gas\n exchange, // call address of Exchange contract\n 0, // transfer 0 wei\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of WETH to sell\n uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of WETH\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount;\n if (makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n\n require(\n makerAssetFilledAmount >= makerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n // Do nothing if zrxBuyAmount == 0\n if (zrxBuyAmount == 0) {\n return totalFillResults;\n }\n\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n uint256 zrxPurchased = 0;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // All of these are ZRX/WETH, so we can drop the respective assetData from calldata.\n orders[i].makerAssetData = zrxAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of ZRX to buy.\n uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased);\n\n // Convert the remaining amount of ZRX to buy into remaining amount\n // of WETH to sell, assuming entire amount can be sold in the current order.\n uint256 remainingWethSellAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees \n remainingZrxBuyAmount\n );\n\n // Attempt to sell the remaining amount of WETH.\n FillResults memory singleFillResult = fillOrderNoThrow(\n orders[i],\n safeAdd(remainingWethSellAmount, 1), // we add 1 wei to the fill amount to make up for rounding errors\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker.\n addFillResults(totalFillResults, singleFillResult);\n zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid);\n\n // Stop execution if the entire amount of ZRX has been bought.\n if (zrxPurchased >= zrxBuyAmount) {\n break;\n }\n }\n\n require(\n zrxPurchased >= zrxBuyAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\nimport \"./mixins/MAssets.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"./interfaces/IForwarderCore.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinForwarderCore is\n LibFillResults,\n LibMath,\n LibConstants,\n MWeth,\n MAssets,\n MExchangeWrapper,\n IForwarderCore\n{\n using LibBytes for bytes;\n\n /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf.\n constructor ()\n public\n {\n address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID);\n require(\n proxyAddress != address(0),\n \"UNREGISTERED_ASSET_PROXY\"\n );\n ETHER_TOKEN.approve(proxyAddress, MAX_UINT);\n ZRX_TOKEN.approve(proxyAddress, MAX_UINT);\n }\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 wethSellAmount;\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // Calculate amount of WETH that won't be spent on ETH fees.\n wethSellAmount = getPartialAmountFloor(\n PERCENTAGE_DENOMINATOR,\n safeAdd(PERCENTAGE_DENOMINATOR, feePercentage),\n msg.value\n );\n // Market sell available WETH.\n // ZRX fees are paid with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // 5% of WETH is reserved for filling feeOrders and paying feeRecipient.\n wethSellAmount = getPartialAmountFloor(\n MAX_WETH_FILL_PERCENTAGE,\n PERCENTAGE_DENOMINATOR,\n msg.value\n );\n // Market sell 95% of WETH.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // If the makerAsset is ZRX, it is not necessary to pay fees out of this\n // contracts's ZRX balance because fees are factored into the price of the order.\n orderFillResults = marketBuyExactZrxWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // Attemp to purchase desired amount of makerAsset.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketBuyExactAmountWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\n\n\ncontract MixinWeth is\n LibMath,\n LibConstants,\n MWeth\n{\n /// @dev Default payabale function, this allows us to withdraw WETH\n function ()\n public\n payable\n {\n require(\n msg.sender == address(ETHER_TOKEN),\n \"DEFAULT_FUNCTION_WETH_CONTRACT_ONLY\"\n );\n }\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal\n {\n require(\n msg.value > 0,\n \"INVALID_MSG_VALUE\"\n );\n ETHER_TOKEN.deposit.value(msg.value)();\n }\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal\n {\n // Ensure feePercentage is less than 5%.\n require(\n feePercentage <= MAX_FEE_PERCENTAGE,\n \"FEE_PERCENTAGE_TOO_LARGE\"\n );\n\n // Ensure that no extra WETH owned by this contract has been sold.\n uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx);\n require(\n wethSold <= msg.value,\n \"OVERSOLD_WETH\"\n );\n\n // Calculate amount of WETH that hasn't been sold.\n uint256 wethRemaining = safeSub(msg.value, wethSold);\n\n // Calculate ETH fee to pay to feeRecipient.\n uint256 ethFee = getPartialAmountFloor(\n feePercentage,\n PERCENTAGE_DENOMINATOR,\n wethSoldExcludingFeeOrders\n );\n\n // Ensure fee is less than amount of WETH remaining.\n require(\n ethFee <= wethRemaining,\n \"INSUFFICIENT_ETH_REMAINING\"\n );\n \n // Do nothing if no WETH remaining\n if (wethRemaining > 0) {\n // Convert remaining WETH to ETH\n ETHER_TOKEN.withdraw(wethRemaining);\n\n // Pay ETH to feeRecipient\n if (ethFee > 0) {\n feeRecipient.transfer(ethFee);\n }\n\n // Refund remaining ETH to msg.sender.\n uint256 ethRefund = safeSub(wethRemaining, ethFee);\n if (ethRefund > 0) {\n msg.sender.transfer(ethRefund);\n }\n }\n }\n}\n", - "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssets {\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external;\n}\n", - "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract IForwarderCore {\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n}\n", - "2.0.0/extensions/Forwarder/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/LibBytes/LibBytes.sol\";\nimport \"../../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../../tokens/EtherToken/IEtherToken.sol\";\nimport \"../../../tokens/ERC20Token/IERC20Token.sol\";\n\n\ncontract LibConstants {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n uint256 constant internal MAX_UINT = 2**256 - 1;\n uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; \n uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5%\n uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95%\n \n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n IEtherToken internal ETHER_TOKEN;\n IERC20Token internal ZRX_TOKEN;\n bytes internal ZRX_ASSET_DATA;\n bytes internal WETH_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n WETH_ASSET_DATA = _wethAssetData;\n\n address etherToken = _wethAssetData.readAddress(16);\n address zrxToken = _zrxAssetData.readAddress(16);\n ETHER_TOKEN = IEtherToken(etherToken);\n ZRX_TOKEN = IERC20Token(zrxToken);\n }\n}\n", - "2.0.0/extensions/Forwarder/mixins/MAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssets.sol\";\n\n\ncontract MAssets is\n IAssets\n{\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n}\n", - "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract MExchangeWrapper {\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n}\n", - "2.0.0/extensions/Forwarder/mixins/MWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract MWeth {\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal;\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal;\n}\n", - "2.0.0/extensions/OrderValidator/OrderValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract OrderValidator {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n struct TraderInfo {\n uint256 makerBalance; // Maker's balance of makerAsset\n uint256 makerAllowance; // Maker's allowance to corresponding AssetProxy\n uint256 takerBalance; // Taker's balance of takerAsset\n uint256 takerAllowance; // Taker's allowance to corresponding AssetProxy\n uint256 makerZrxBalance; // Maker's balance of ZRX\n uint256 makerZrxAllowance; // Maker's allowance of ZRX to ERC20Proxy\n uint256 takerZrxBalance; // Taker's balance of ZRX\n uint256 takerZrxAllowance; // Taker's allowance of ZRX to ERC20Proxy\n }\n\n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n bytes internal ZRX_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (address _exchange, bytes memory _zrxAssetData)\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n }\n\n /// @dev Fetches information for order and maker/taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return OrderInfo and TraderInfo instances for given order.\n function getOrderAndTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo, TraderInfo memory traderInfo)\n {\n orderInfo = EXCHANGE.getOrderInfo(order);\n traderInfo = getTraderInfo(order, takerAddress);\n return (orderInfo, traderInfo);\n }\n\n /// @dev Fetches information for all passed in orders and the makers/takers of each order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Arrays of OrderInfo and TraderInfo instances that correspond to each order.\n function getOrdersAndTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (LibOrder.OrderInfo[] memory ordersInfo, TraderInfo[] memory tradersInfo)\n {\n ordersInfo = EXCHANGE.getOrdersInfo(orders);\n tradersInfo = getTradersInfo(orders, takerAddresses);\n return (ordersInfo, tradersInfo);\n }\n\n /// @dev Fetches balance and allowances for maker and taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return Balances and allowances of maker and taker of order.\n function getTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (TraderInfo memory traderInfo)\n {\n (traderInfo.makerBalance, traderInfo.makerAllowance) = getBalanceAndAllowance(order.makerAddress, order.makerAssetData);\n (traderInfo.takerBalance, traderInfo.takerAllowance) = getBalanceAndAllowance(takerAddress, order.takerAssetData);\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n (traderInfo.makerZrxBalance, traderInfo.makerZrxAllowance) = getBalanceAndAllowance(order.makerAddress, zrxAssetData);\n (traderInfo.takerZrxBalance, traderInfo.takerZrxAllowance) = getBalanceAndAllowance(takerAddress, zrxAssetData);\n return traderInfo;\n }\n\n /// @dev Fetches balances and allowances of maker and taker for each provided order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Array of balances and allowances for maker and taker of each order.\n function getTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (TraderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n TraderInfo[] memory tradersInfo = new TraderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n tradersInfo[i] = getTraderInfo(orders[i], takerAddresses[i]);\n }\n return tradersInfo;\n }\n\n /// @dev Fetches token balances and allowances of an address to given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Encoded data that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balance of asset and allowance set to given proxy of asset.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalanceAndAllowance(address target, bytes memory assetData)\n public\n view\n returns (uint256 balance, uint256 allowance)\n {\n bytes4 assetProxyId = assetData.readBytes4(0);\n address token = assetData.readAddress(16);\n address assetProxy = EXCHANGE.getAssetProxy(assetProxyId);\n\n if (assetProxyId == ERC20_DATA_ID) {\n // Query balance\n balance = IERC20Token(token).balanceOf(target);\n\n // Query allowance\n allowance = IERC20Token(token).allowance(target, assetProxy);\n } else if (assetProxyId == ERC721_DATA_ID) {\n uint256 tokenId = assetData.readUint256(36);\n\n // Query owner of tokenId\n address owner = getERC721TokenOwner(token, tokenId);\n\n // Set balance to 1 if tokenId is owned by target\n balance = target == owner ? 1 : 0;\n\n // Check if ERC721Proxy is approved to spend tokenId\n bool isApproved = IERC721Token(token).isApprovedForAll(target, assetProxy) || IERC721Token(token).getApproved(tokenId) == assetProxy;\n \n // Set alowance to 1 if ERC721Proxy is approved to spend tokenId\n allowance = isApproved ? 1 : 0;\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n return (balance, allowance);\n }\n\n /// @dev Fetches token balances and allowances of an address for each given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Array of encoded byte arrays that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balances and allowances of assets.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalancesAndAllowances(address target, bytes[] memory assetData)\n public\n view\n returns (uint256[] memory, uint256[] memory)\n {\n uint256 length = assetData.length;\n uint256[] memory balances = new uint256[](length);\n uint256[] memory allowances = new uint256[](length);\n for (uint256 i = 0; i != length; i++) {\n (balances[i], allowances[i]) = getBalanceAndAllowance(target, assetData[i]);\n }\n return (balances, allowances);\n }\n\n /// @dev Calls `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token.\n /// @param token Address of ERC721 token.\n /// @param tokenId The identifier for the specific NFT.\n /// @return Owner of tokenId or null address if unowned.\n function getERC721TokenOwner(address token, uint256 tokenId)\n public\n view\n returns (address owner)\n {\n assembly {\n // load free memory pointer\n let cdStart := mload(64)\n\n // bytes4(keccak256(ownerOf(uint256))) = 0x6352211e\n mstore(cdStart, 0x6352211e00000000000000000000000000000000000000000000000000000000)\n mstore(add(cdStart, 4), tokenId)\n\n // staticcall `ownerOf(tokenId)`\n // `ownerOf` will revert if tokenId is not owned\n let success := staticcall(\n gas, // forward all gas\n token, // call token contract\n cdStart, // start of calldata\n 36, // length of input is 36 bytes\n cdStart, // write output over input\n 32 // size of output is 32 bytes\n )\n\n // Success implies that tokenId is owned\n // Copy owner from return data if successful\n if success {\n owner := mload(cdStart)\n } \n }\n\n // Owner initialized to address(0), no need to modify if call is unsuccessful\n return owner;\n }\n}\n", - "2.0.0/multisig/MultiSigWallet.sol": "// solhint-disable\npragma solidity ^0.4.15;\n\n\n/// @title Multisignature wallet - Allows multiple parties to agree on transactions before execution.\n/// @author Stefan George - \ncontract MultiSigWallet {\n\n /*\n * Events\n */\n event Confirmation(address indexed sender, uint indexed transactionId);\n event Revocation(address indexed sender, uint indexed transactionId);\n event Submission(uint indexed transactionId);\n event Execution(uint indexed transactionId);\n event ExecutionFailure(uint indexed transactionId);\n event Deposit(address indexed sender, uint value);\n event OwnerAddition(address indexed owner);\n event OwnerRemoval(address indexed owner);\n event RequirementChange(uint required);\n\n /*\n * Constants\n */\n uint constant public MAX_OWNER_COUNT = 50;\n\n /*\n * Storage\n */\n mapping (uint => Transaction) public transactions;\n mapping (uint => mapping (address => bool)) public confirmations;\n mapping (address => bool) public isOwner;\n address[] public owners;\n uint public required;\n uint public transactionCount;\n\n struct Transaction {\n address destination;\n uint value;\n bytes data;\n bool executed;\n }\n\n /*\n * Modifiers\n */\n modifier onlyWallet() {\n require(msg.sender == address(this));\n _;\n }\n\n modifier ownerDoesNotExist(address owner) {\n require(!isOwner[owner]);\n _;\n }\n\n modifier ownerExists(address owner) {\n require(isOwner[owner]);\n _;\n }\n\n modifier transactionExists(uint transactionId) {\n require(transactions[transactionId].destination != 0);\n _;\n }\n\n modifier confirmed(uint transactionId, address owner) {\n require(confirmations[transactionId][owner]);\n _;\n }\n\n modifier notConfirmed(uint transactionId, address owner) {\n require(!confirmations[transactionId][owner]);\n _;\n }\n\n modifier notExecuted(uint transactionId) {\n require(!transactions[transactionId].executed);\n _;\n }\n\n modifier notNull(address _address) {\n require(_address != 0);\n _;\n }\n\n modifier validRequirement(uint ownerCount, uint _required) {\n require(ownerCount <= MAX_OWNER_COUNT\n && _required <= ownerCount\n && _required != 0\n && ownerCount != 0);\n _;\n }\n\n /// @dev Fallback function allows to deposit ether.\n function()\n payable\n {\n if (msg.value > 0)\n Deposit(msg.sender, msg.value);\n }\n\n /*\n * Public functions\n */\n /// @dev Contract constructor sets initial owners and required number of confirmations.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n function MultiSigWallet(address[] _owners, uint _required)\n public\n validRequirement(_owners.length, _required)\n {\n for (uint i=0; i<_owners.length; i++) {\n require(!isOwner[_owners[i]] && _owners[i] != 0);\n isOwner[_owners[i]] = true;\n }\n owners = _owners;\n required = _required;\n }\n\n /// @dev Allows to add a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of new owner.\n function addOwner(address owner)\n public\n onlyWallet\n ownerDoesNotExist(owner)\n notNull(owner)\n validRequirement(owners.length + 1, required)\n {\n isOwner[owner] = true;\n owners.push(owner);\n OwnerAddition(owner);\n }\n\n /// @dev Allows to remove an owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner.\n function removeOwner(address owner)\n public\n onlyWallet\n ownerExists(owner)\n {\n isOwner[owner] = false;\n for (uint i=0; i owners.length)\n changeRequirement(owners.length);\n OwnerRemoval(owner);\n }\n\n /// @dev Allows to replace an owner with a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner to be replaced.\n /// @param newOwner Address of new owner.\n function replaceOwner(address owner, address newOwner)\n public\n onlyWallet\n ownerExists(owner)\n ownerDoesNotExist(newOwner)\n {\n for (uint i=0; i\n// solhint-disable not-rely-on-time\ncontract MultiSigWalletWithTimeLock is\n MultiSigWallet\n{\n event ConfirmationTimeSet(uint256 indexed transactionId, uint256 confirmationTime);\n event TimeLockChange(uint256 secondsTimeLocked);\n\n uint256 public secondsTimeLocked;\n\n mapping (uint256 => uint256) public confirmationTimes;\n\n modifier notFullyConfirmed(uint256 transactionId) {\n require(\n !isConfirmed(transactionId),\n \"TX_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier fullyConfirmed(uint256 transactionId) {\n require(\n isConfirmed(transactionId),\n \"TX_NOT_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier pastTimeLock(uint256 transactionId) {\n require(\n block.timestamp >= confirmationTimes[transactionId] + secondsTimeLocked,\n \"TIME_LOCK_INCOMPLETE\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations, and time lock.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] _owners,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWallet(_owners, _required)\n {\n secondsTimeLocked = _secondsTimeLocked;\n }\n\n /// @dev Changes the duration of the time lock for transactions.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n function changeTimeLock(uint256 _secondsTimeLocked)\n public\n onlyWallet\n {\n secondsTimeLocked = _secondsTimeLocked;\n emit TimeLockChange(_secondsTimeLocked);\n }\n\n /// @dev Allows an owner to confirm a transaction.\n /// @param transactionId Transaction ID.\n function confirmTransaction(uint256 transactionId)\n public\n ownerExists(msg.sender)\n transactionExists(transactionId)\n notConfirmed(transactionId, msg.sender)\n notFullyConfirmed(transactionId)\n {\n confirmations[transactionId][msg.sender] = true;\n emit Confirmation(msg.sender, transactionId);\n if (isConfirmed(transactionId)) {\n setConfirmationTime(transactionId, block.timestamp);\n }\n }\n\n /// @dev Allows anyone to execute a confirmed transaction.\n /// @param transactionId Transaction ID.\n function executeTransaction(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n pastTimeLock(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n\n /// @dev Sets the time of when a submission first passed.\n function setConfirmationTime(uint256 transactionId, uint256 confirmationTime)\n internal\n {\n confirmationTimes[transactionId] = confirmationTime;\n emit ConfirmationTimeSet(transactionId, confirmationTime);\n }\n}\n", - "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC20Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n \n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 1 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n\n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. amount |\n\n /////// Read token address from calldata ///////\n // * The token address is stored in `assetData`.\n //\n // * The \"offset to assetData\" is stored at offset 4 in the calldata (table 1).\n // [assetDataOffsetFromParams = calldataload(4)]\n //\n // * Notes that the \"offset to assetData\" is relative to the \"Params\" area of calldata;\n // add 4 bytes to account for the length of the \"Header\" area (table 1).\n // [assetDataOffsetFromHeader = assetDataOffsetFromParams + 4]\n //\n // * The \"token address\" is offset 32+4=36 bytes into \"assetData\" (tables 1 & 2).\n // [tokenOffset = assetDataOffsetFromHeader + 36 = calldataload(4) + 4 + 36]\n let token := calldataload(add(calldataload(4), 40))\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from`, `to` and `amount` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 96)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output over input\n 32 // output size should be 32 bytes\n )\n\n /////// Check return data. ///////\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // nonzero 32 bytes value.\n // So the transfer succeeded if the call succeeded and either\n // returned nothing, or returned a non-zero 32 byte value. \n success := and(success, or(\n iszero(returndatasize),\n and(\n eq(returndatasize, 32),\n gt(mload(0), 0)\n )\n ))\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", - "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC721Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 2 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n // | | 36 | | 2. tokenId |\n \n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. tokenId |\n\n // There exists only 1 of each token.\n // require(amount == 1, \"INVALID_AMOUNT\")\n if sub(calldataload(100), 1) {\n // Revert with `Error(\"INVALID_AMOUNT\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from` and `to` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 64)\n\n // Copy `tokenId` field from our own calldata to the new calldata.\n let assetDataOffset := calldataload(4)\n calldatacopy(68, add(assetDataOffset, 72), 32)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let token := calldataload(add(assetDataOffset, 40))\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output to null\n 0 // output size is 0 bytes\n )\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", - "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAuthorizable.sol\";\n\n\ncontract MixinAuthorizable is\n Ownable,\n MAuthorizable\n{\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized {\n require(\n authorized[msg.sender],\n \"SENDER_NOT_AUTHORIZED\"\n );\n _;\n }\n\n mapping (address => bool) public authorized;\n address[] public authorities;\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n !authorized[target],\n \"TARGET_ALREADY_AUTHORIZED\"\n );\n\n authorized[target] = true;\n authorities.push(target);\n emit AuthorizedAddressAdded(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n\n delete authorized[target];\n for (uint256 i = 0; i < authorities.length; i++) {\n if (authorities[i] == target) {\n authorities[i] = authorities[authorities.length - 1];\n authorities.length -= 1;\n break;\n }\n }\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n require(\n index < authorities.length,\n \"INDEX_OUT_OF_BOUNDS\"\n );\n require(\n authorities[index] == target,\n \"AUTHORIZED_ADDRESS_MISMATCH\"\n );\n\n delete authorized[target];\n authorities[index] = authorities[authorities.length - 1];\n authorities.length -= 1;\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory)\n {\n return authorities;\n }\n}\n", - "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IAuthorizable.sol\";\n\n\ncontract IAssetProxy is\n IAuthorizable\n{\n /// @dev Transfers assets. Either succeeds or throws.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n function transferFrom(\n bytes assetData,\n address from,\n address to,\n uint256 amount\n )\n external;\n \n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4);\n}\n", - "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/Ownable/IOwnable.sol\";\n\n\ncontract IAuthorizable is\n IOwnable\n{\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external;\n \n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory);\n}\n", - "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAuthorizable.sol\";\n\n\ncontract MAuthorizable is\n IAuthorizable\n{\n // Event logged when a new address is authorized.\n event AuthorizedAddressAdded(\n address indexed target,\n address indexed caller\n );\n\n // Event logged when a currently authorized address is unauthorized.\n event AuthorizedAddressRemoved(\n address indexed target,\n address indexed caller\n );\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized { revert(); _; }\n}\n", - "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../multisig/MultiSigWalletWithTimeLock.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract AssetProxyOwner is\n MultiSigWalletWithTimeLock\n{\n using LibBytes for bytes;\n\n event AssetProxyRegistration(address assetProxyContract, bool isRegistered);\n\n // Mapping of AssetProxy contract address =>\n // if this contract is allowed to call the AssetProxy's `removeAuthorizedAddressAtIndex` method without a time lock.\n mapping (address => bool) public isAssetProxyRegistered;\n\n bytes4 constant internal REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR = bytes4(keccak256(\"removeAuthorizedAddressAtIndex(address,uint256)\"));\n\n /// @dev Function will revert if the transaction does not call `removeAuthorizedAddressAtIndex`\n /// on an approved AssetProxy contract.\n modifier validRemoveAuthorizedAddressAtIndexTx(uint256 transactionId) {\n Transaction storage txn = transactions[transactionId];\n require(\n isAssetProxyRegistered[txn.destination],\n \"UNREGISTERED_ASSET_PROXY\"\n );\n require(\n txn.data.readBytes4(0) == REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR,\n \"INVALID_FUNCTION_SELECTOR\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations,\n /// time lock, and list of AssetProxy addresses.\n /// @param _owners List of initial owners.\n /// @param _assetProxyContracts Array of AssetProxy contract addresses.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] memory _owners,\n address[] memory _assetProxyContracts,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWalletWithTimeLock(_owners, _required, _secondsTimeLocked)\n {\n for (uint256 i = 0; i < _assetProxyContracts.length; i++) {\n address assetProxy = _assetProxyContracts[i];\n require(\n assetProxy != address(0),\n \"INVALID_ASSET_PROXY\"\n );\n isAssetProxyRegistered[assetProxy] = true;\n }\n }\n\n /// @dev Registers or deregisters an AssetProxy to be able to execute\n /// `removeAuthorizedAddressAtIndex` without a timelock.\n /// @param assetProxyContract Address of AssetProxy contract.\n /// @param isRegistered Status of approval for AssetProxy contract.\n function registerAssetProxy(address assetProxyContract, bool isRegistered)\n public\n onlyWallet\n notNull(assetProxyContract)\n {\n isAssetProxyRegistered[assetProxyContract] = isRegistered;\n emit AssetProxyRegistration(assetProxyContract, isRegistered);\n }\n\n /// @dev Allows execution of `removeAuthorizedAddressAtIndex` without time lock.\n /// @param transactionId Transaction ID.\n function executeRemoveAuthorizedAddressAtIndex(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n validRemoveAuthorizedAddressAtIndexTx(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n}\n", - "2.0.0/protocol/Exchange/Exchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinExchangeCore.sol\";\nimport \"./MixinSignatureValidator.sol\";\nimport \"./MixinWrapperFunctions.sol\";\nimport \"./MixinAssetProxyDispatcher.sol\";\nimport \"./MixinTransactions.sol\";\nimport \"./MixinMatchOrders.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Exchange is\n MixinExchangeCore,\n MixinMatchOrders,\n MixinSignatureValidator,\n MixinTransactions,\n MixinAssetProxyDispatcher,\n MixinWrapperFunctions\n{\n string constant public VERSION = \"2.0.1-alpha\";\n\n // Mixins are instantiated in the order they are inherited\n constructor (bytes memory _zrxAssetData)\n public\n LibConstants(_zrxAssetData) // @TODO: Remove when we deploy.\n MixinExchangeCore()\n MixinMatchOrders()\n MixinSignatureValidator()\n MixinTransactions()\n MixinAssetProxyDispatcher()\n MixinWrapperFunctions()\n {}\n}\n", - "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\nimport \"../AssetProxy/interfaces/IAssetProxy.sol\";\n\n\ncontract MixinAssetProxyDispatcher is\n Ownable,\n MAssetProxyDispatcher\n{\n // Mapping from Asset Proxy Id's to their respective Asset Proxy\n mapping (bytes4 => IAssetProxy) public assetProxies;\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external\n onlyOwner\n {\n IAssetProxy assetProxyContract = IAssetProxy(assetProxy);\n\n // Ensure that no asset proxy exists with current id.\n bytes4 assetProxyId = assetProxyContract.getProxyId();\n address currentAssetProxy = assetProxies[assetProxyId];\n require(\n currentAssetProxy == address(0),\n \"ASSET_PROXY_ALREADY_EXISTS\"\n );\n\n // Add asset proxy and log registration.\n assetProxies[assetProxyId] = assetProxyContract;\n emit AssetProxyRegistered(\n assetProxyId,\n assetProxy\n );\n }\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address)\n {\n return assetProxies[assetProxyId];\n }\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal\n {\n // Do nothing if no amount should be transferred.\n if (amount > 0 && from != to) {\n // Ensure assetData length is valid\n require(\n assetData.length > 3,\n \"LENGTH_GREATER_THAN_3_REQUIRED\"\n );\n \n // Lookup assetProxy. We do not use `LibBytes.readBytes4` for gas efficiency reasons.\n bytes4 assetProxyId;\n assembly {\n assetProxyId := and(mload(\n add(assetData, 32)),\n 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000\n )\n }\n address assetProxy = assetProxies[assetProxyId];\n\n // Ensure that assetProxy exists\n require(\n assetProxy != address(0),\n \"ASSET_PROXY_DOES_NOT_EXIST\"\n );\n \n // We construct calldata for the `assetProxy.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n\n assembly {\n /////// Setup State ///////\n // `cdStart` is the start of the calldata for `assetProxy.transferFrom` (equal to free memory ptr).\n let cdStart := mload(64)\n // `dataAreaLength` is the total number of words needed to store `assetData`\n // As-per the ABI spec, this value is padded up to the nearest multiple of 32,\n // and includes 32-bytes for length.\n let dataAreaLength := and(add(mload(assetData), 63), 0xFFFFFFFFFFFE0)\n // `cdEnd` is the end of the calldata for `assetProxy.transferFrom`.\n let cdEnd := add(cdStart, add(132, dataAreaLength))\n\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFromSelector`.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes.\n // Notes:\n // 1. The offset to `assetData` is the length of the Params Area (128 bytes).\n // 2. A 20-byte mask is applied to addresses to zero-out the unused bytes.\n mstore(add(cdStart, 4), 128)\n mstore(add(cdStart, 36), and(from, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 68), and(to, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 100), amount)\n \n /////// Setup Data Area ///////\n // This area holds `assetData`.\n let dataArea := add(cdStart, 132)\n // solhint-disable-next-line no-empty-blocks\n for {} lt(dataArea, cdEnd) {} {\n mstore(dataArea, mload(assetData))\n dataArea := add(dataArea, 32)\n assetData := add(assetData, 32)\n }\n\n /////// Call `assetProxy.transferFrom` using the constructed calldata ///////\n let success := call(\n gas, // forward all gas\n assetProxy, // call address of asset proxy\n 0, // don't send any ETH\n cdStart, // pointer to start of input\n sub(cdEnd, cdStart), // length of input \n cdStart, // write output over input\n 512 // reserve 512 bytes for output\n )\n if iszero(success) {\n revert(cdStart, returndatasize())\n }\n }\n }\n }\n}\n", - "2.0.0/protocol/Exchange/MixinExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinExchangeCore is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n LibOrder,\n LibFillResults,\n MAssetProxyDispatcher,\n MExchangeCore,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of orderHash => amount of takerAsset already bought by maker\n mapping (bytes32 => uint256) public filled;\n\n // Mapping of orderHash => cancelled\n mapping (bytes32 => bool) public cancelled;\n\n // Mapping of makerAddress => senderAddress => lowest salt an order can have in order to be fillable\n // Orders with specified senderAddress and with a salt less than their epoch are considered cancelled\n mapping (address => mapping (address => uint256)) public orderEpoch;\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external\n nonReentrant\n {\n address makerAddress = getCurrentContextAddress();\n // If this function is called via `executeTransaction`, we only update the orderEpoch for the makerAddress/msg.sender combination.\n // This allows external filter contracts to add rules to how orders are cancelled via this function.\n address senderAddress = makerAddress == msg.sender ? address(0) : msg.sender;\n\n // orderEpoch is initialized to 0, so to cancelUpTo we need salt + 1\n uint256 newOrderEpoch = targetOrderEpoch + 1; \n uint256 oldOrderEpoch = orderEpoch[makerAddress][senderAddress];\n\n // Ensure orderEpoch is monotonically increasing\n require(\n newOrderEpoch > oldOrderEpoch, \n \"INVALID_NEW_ORDER_EPOCH\"\n );\n\n // Update orderEpoch\n orderEpoch[makerAddress][senderAddress] = newOrderEpoch;\n emit CancelUpTo(\n makerAddress,\n senderAddress,\n newOrderEpoch\n );\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrder(Order memory order)\n public\n nonReentrant\n {\n cancelOrderInternal(order);\n }\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(Order memory order)\n public\n view\n returns (OrderInfo memory orderInfo)\n {\n // Compute the order hash\n orderInfo.orderHash = getOrderHash(order);\n\n // Fetch filled amount\n orderInfo.orderTakerAssetFilledAmount = filled[orderInfo.orderHash];\n\n // If order.makerAssetAmount is zero, we also reject the order.\n // While the Exchange contract handles them correctly, they create\n // edge cases in the supporting infrastructure because they have\n // an 'infinite' price when computed by a simple division.\n if (order.makerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_MAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // If order.takerAssetAmount is zero, then the order will always\n // be considered filled because 0 == takerAssetAmount == orderTakerAssetFilledAmount\n // Instead of distinguishing between unfilled and filled zero taker\n // amount orders, we choose not to support them.\n if (order.takerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_TAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // Validate order availability\n if (orderInfo.orderTakerAssetFilledAmount >= order.takerAssetAmount) {\n orderInfo.orderStatus = uint8(OrderStatus.FULLY_FILLED);\n return orderInfo;\n }\n\n // Validate order expiration\n // solhint-disable-next-line not-rely-on-time\n if (block.timestamp >= order.expirationTimeSeconds) {\n orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);\n return orderInfo;\n }\n\n // Check if order has been cancelled\n if (cancelled[orderInfo.orderHash]) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n if (orderEpoch[order.makerAddress][order.senderAddress] > order.salt) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n\n // All other statuses are ruled out: order is Fillable\n orderInfo.orderStatus = uint8(OrderStatus.FILLABLE);\n return orderInfo;\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // Fetch order info\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Assert that the order is fillable by taker\n assertFillableOrder(\n order,\n orderInfo,\n takerAddress,\n signature\n );\n \n // Get amount of takerAsset to fill\n uint256 remainingTakerAssetAmount = safeSub(order.takerAssetAmount, orderInfo.orderTakerAssetFilledAmount);\n uint256 takerAssetFilledAmount = min256(takerAssetFillAmount, remainingTakerAssetAmount);\n\n // Validate context\n assertValidFill(\n order,\n orderInfo,\n takerAssetFillAmount,\n takerAssetFilledAmount,\n fillResults.makerAssetFilledAmount\n );\n\n // Compute proportional fill amounts\n fillResults = calculateFillResults(order, takerAssetFilledAmount);\n\n // Update exchange internal state\n updateFilledState(\n order,\n takerAddress,\n orderInfo.orderHash,\n orderInfo.orderTakerAssetFilledAmount,\n fillResults\n );\n \n // Settle order\n settleOrder(\n order,\n takerAddress,\n fillResults\n );\n\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrderInternal(Order memory order)\n internal\n {\n // Fetch current order status\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Validate context\n assertValidCancel(order, orderInfo);\n\n // Perform cancel\n updateCancelledState(order, orderInfo.orderHash);\n }\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n function updateFilledState(\n Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n FillResults memory fillResults\n )\n internal\n {\n // Update state\n filled[orderHash] = safeAdd(orderTakerAssetFilledAmount, fillResults.takerAssetFilledAmount);\n\n // Log order\n emit Fill(\n order.makerAddress,\n order.feeRecipientAddress,\n takerAddress,\n msg.sender,\n fillResults.makerAssetFilledAmount,\n fillResults.takerAssetFilledAmount,\n fillResults.makerFeePaid,\n fillResults.takerFeePaid,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n Order memory order,\n bytes32 orderHash\n )\n internal\n {\n // Perform cancel\n cancelled[orderHash] = true;\n\n // Log cancel\n emit Cancel(\n order.makerAddress,\n order.feeRecipientAddress,\n msg.sender,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n Order memory order,\n OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view\n {\n // An order can only be filled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n \n // Validate sender is allowed to fill this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n \n // Validate taker is allowed to fill this order\n if (order.takerAddress != address(0)) {\n require(\n order.takerAddress == takerAddress,\n \"INVALID_TAKER\"\n );\n }\n \n // Validate Maker signature (check only if first time seen)\n if (orderInfo.orderTakerAssetFilledAmount == 0) {\n require(\n isValidSignature(\n orderInfo.orderHash,\n order.makerAddress,\n signature\n ),\n \"INVALID_ORDER_SIGNATURE\"\n );\n }\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n Order memory order,\n OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount, // TODO: use FillResults\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view\n {\n // Revert if fill amount is invalid\n // TODO: reconsider necessity for v2.1\n require(\n takerAssetFillAmount != 0,\n \"INVALID_TAKER_AMOUNT\"\n );\n \n // Make sure taker does not pay more than desired amount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n takerAssetFilledAmount <= takerAssetFillAmount,\n \"TAKER_OVERPAY\"\n );\n \n // Make sure order is not overfilled\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeAdd(orderInfo.orderTakerAssetFilledAmount, takerAssetFilledAmount) <= order.takerAssetAmount,\n \"ORDER_OVERFILL\"\n );\n \n // Make sure order is filled at acceptable price.\n // The order has an implied price from the makers perspective:\n // order price = order.makerAssetAmount / order.takerAssetAmount\n // i.e. the number of makerAsset maker is paying per takerAsset. The\n // maker is guaranteed to get this price or a better (lower) one. The\n // actual price maker is getting in this fill is:\n // fill price = makerAssetFilledAmount / takerAssetFilledAmount\n // We need `fill price <= order price` for the fill to be fair to maker.\n // This amounts to:\n // makerAssetFilledAmount order.makerAssetAmount\n // ------------------------ <= -----------------------\n // takerAssetFilledAmount order.takerAssetAmount\n // or, equivalently:\n // makerAssetFilledAmount * order.takerAssetAmount <=\n // order.makerAssetAmount * takerAssetFilledAmount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeMul(makerAssetFilledAmount, order.takerAssetAmount)\n <= \n safeMul(order.makerAssetAmount, takerAssetFilledAmount),\n \"INVALID_FILL_PRICE\"\n );\n }\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n Order memory order,\n OrderInfo memory orderInfo\n )\n internal\n view\n {\n // Ensure order is valid\n // An order can only be cancelled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Validate sender is allowed to cancel this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate transaction signed by maker\n address makerAddress = getCurrentContextAddress();\n require(\n order.makerAddress == makerAddress,\n \"INVALID_MAKER\"\n );\n }\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (FillResults memory fillResults)\n {\n // Compute proportional transfer amounts\n fillResults.takerAssetFilledAmount = takerAssetFilledAmount;\n fillResults.makerAssetFilledAmount = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n );\n fillResults.makerFeePaid = safeGetPartialAmountFloor(\n fillResults.makerAssetFilledAmount,\n order.makerAssetAmount,\n order.makerFee\n );\n fillResults.takerFeePaid = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.takerFee\n );\n\n return fillResults;\n }\n\n /// @dev Settles an order by transferring assets between counterparties.\n /// @param order Order struct containing order specifications.\n /// @param takerAddress Address selling takerAsset and buying makerAsset.\n /// @param fillResults Amounts to be filled and fees paid by maker and taker.\n function settleOrder(\n LibOrder.Order memory order,\n address takerAddress,\n LibFillResults.FillResults memory fillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n dispatchTransferFrom(\n order.makerAssetData,\n order.makerAddress,\n takerAddress,\n fillResults.makerAssetFilledAmount\n );\n dispatchTransferFrom(\n order.takerAssetData,\n takerAddress,\n order.makerAddress,\n fillResults.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n zrxAssetData,\n order.makerAddress,\n order.feeRecipientAddress,\n fillResults.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n order.feeRecipientAddress,\n fillResults.takerFeePaid\n );\n }\n}\n", - "2.0.0/protocol/Exchange/MixinMatchOrders.sol": "/*\n Copyright 2018 ZeroEx Intl.\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n http://www.apache.org/licenses/LICENSE-2.0\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MMatchOrders.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinMatchOrders is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n MAssetProxyDispatcher,\n MExchangeCore,\n MMatchOrders,\n MTransactions\n{\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n nonReentrant\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We assume that rightOrder.takerAssetData == leftOrder.makerAssetData and rightOrder.makerAssetData == leftOrder.takerAssetData.\n // If this assumption isn't true, the match will fail at signature validation.\n rightOrder.makerAssetData = leftOrder.takerAssetData;\n rightOrder.takerAssetData = leftOrder.makerAssetData;\n\n // Get left & right order info\n LibOrder.OrderInfo memory leftOrderInfo = getOrderInfo(leftOrder);\n LibOrder.OrderInfo memory rightOrderInfo = getOrderInfo(rightOrder);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Either our context is valid or we revert\n assertFillableOrder(\n leftOrder,\n leftOrderInfo,\n takerAddress,\n leftSignature\n );\n assertFillableOrder(\n rightOrder,\n rightOrderInfo,\n takerAddress,\n rightSignature\n );\n assertValidMatch(leftOrder, rightOrder);\n\n // Compute proportional fill amounts\n matchedFillResults = calculateMatchedFillResults(\n leftOrder,\n rightOrder,\n leftOrderInfo.orderTakerAssetFilledAmount,\n rightOrderInfo.orderTakerAssetFilledAmount\n );\n\n // Validate fill contexts\n assertValidFill(\n leftOrder,\n leftOrderInfo,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.makerAssetFilledAmount\n );\n assertValidFill(\n rightOrder,\n rightOrderInfo,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n \n // Update exchange state\n updateFilledState(\n leftOrder,\n takerAddress,\n leftOrderInfo.orderHash,\n leftOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.left\n );\n updateFilledState(\n rightOrder,\n takerAddress,\n rightOrderInfo.orderHash,\n rightOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.right\n );\n\n // Settle matched orders. Succeeds or throws.\n settleMatchedOrders(\n leftOrder,\n rightOrder,\n takerAddress,\n matchedFillResults\n );\n\n return matchedFillResults;\n }\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure\n {\n // Make sure there is a profitable spread.\n // There is a profitable spread iff the cost per unit bought (OrderA.MakerAmount/OrderA.TakerAmount) for each order is greater\n // than the profit per unit sold of the matched order (OrderB.TakerAmount/OrderB.MakerAmount).\n // This is satisfied by the equations below:\n // / >= / \n // AND\n // / >= / \n // These equations can be combined to get the following:\n require(\n safeMul(leftOrder.makerAssetAmount, rightOrder.makerAssetAmount) >=\n safeMul(leftOrder.takerAssetAmount, rightOrder.takerAssetAmount),\n \"NEGATIVE_SPREAD_REQUIRED\"\n );\n }\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // Derive maker asset amounts for left & right orders, given store taker assert amounts\n uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);\n uint256 leftMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n leftTakerAssetAmountRemaining\n );\n uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);\n uint256 rightMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n rightOrder.makerAssetAmount,\n rightOrder.takerAssetAmount,\n rightTakerAssetAmountRemaining\n );\n\n // Calculate fill results for maker and taker assets: at least one order will be fully filled.\n // The maximum amount the left maker can buy is `leftTakerAssetAmountRemaining`\n // The maximum amount the right maker can sell is `rightMakerAssetAmountRemaining`\n // We have two distinct cases for calculating the fill results:\n // Case 1.\n // If the left maker can buy more than the right maker can sell, then only the right order is fully filled.\n // If the left maker can buy exactly what the right maker can sell, then both orders are fully filled.\n // Case 2.\n // If the left maker cannot buy more than the right maker can sell, then only the left order is fully filled.\n if (leftTakerAssetAmountRemaining >= rightMakerAssetAmountRemaining) {\n // Case 1: Right order is fully filled\n matchedFillResults.right.makerAssetFilledAmount = rightMakerAssetAmountRemaining;\n matchedFillResults.right.takerAssetFilledAmount = rightTakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = matchedFillResults.right.makerAssetFilledAmount;\n // Round down to ensure the maker's exchange rate does not exceed the price specified by the order. \n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.left.makerAssetFilledAmount = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n matchedFillResults.left.takerAssetFilledAmount\n );\n } else {\n // Case 2: Left order is fully filled\n matchedFillResults.left.makerAssetFilledAmount = leftMakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = leftTakerAssetAmountRemaining;\n matchedFillResults.right.makerAssetFilledAmount = matchedFillResults.left.takerAssetFilledAmount;\n // Round up to ensure the maker's exchange rate does not exceed the price specified by the order.\n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.right.takerAssetFilledAmount = safeGetPartialAmountCeil(\n rightOrder.takerAssetAmount,\n rightOrder.makerAssetAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n }\n\n // Calculate amount given to taker\n matchedFillResults.leftMakerAssetSpreadAmount = safeSub(\n matchedFillResults.left.makerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount\n );\n\n // Compute fees for left order\n matchedFillResults.left.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.makerAssetFilledAmount,\n leftOrder.makerAssetAmount,\n leftOrder.makerFee\n );\n matchedFillResults.left.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.takerAssetFilledAmount,\n leftOrder.takerAssetAmount,\n leftOrder.takerFee\n );\n\n // Compute fees for right order\n matchedFillResults.right.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.makerAssetFilledAmount,\n rightOrder.makerAssetAmount,\n rightOrder.makerFee\n );\n matchedFillResults.right.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.takerAssetFilledAmount,\n rightOrder.takerAssetAmount,\n rightOrder.takerFee\n );\n\n // Return fill results\n return matchedFillResults;\n }\n\n /// @dev Settles matched order by transferring appropriate funds between order makers, taker, and fee recipient.\n /// @param leftOrder First matched order.\n /// @param rightOrder Second matched order.\n /// @param takerAddress Address that matched the orders. The taker receives the spread between orders as profit.\n /// @param matchedFillResults Struct holding amounts to transfer between makers, taker, and fee recipients.\n function settleMatchedOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n address takerAddress,\n LibFillResults.MatchedFillResults memory matchedFillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n // Order makers and taker\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n rightOrder.makerAddress,\n matchedFillResults.right.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n rightOrder.makerAssetData,\n rightOrder.makerAddress,\n leftOrder.makerAddress,\n matchedFillResults.left.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n takerAddress,\n matchedFillResults.leftMakerAssetSpreadAmount\n );\n\n // Maker fees\n dispatchTransferFrom(\n zrxAssetData,\n leftOrder.makerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n rightOrder.makerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.makerFeePaid\n );\n\n // Taker fees\n if (leftOrder.feeRecipientAddress == rightOrder.feeRecipientAddress) {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n safeAdd(\n matchedFillResults.left.takerFeePaid,\n matchedFillResults.right.takerFeePaid\n )\n );\n } else {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.takerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.takerFeePaid\n );\n }\n }\n}\n", - "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./interfaces/IWallet.sol\";\nimport \"./interfaces/IValidator.sol\";\n\n\ncontract MixinSignatureValidator is\n ReentrancyGuard,\n MSignatureValidator,\n MTransactions\n{\n using LibBytes for bytes;\n \n // Mapping of hash => signer => signed\n mapping (bytes32 => mapping (address => bool)) public preSigned;\n\n // Mapping of signer => validator => approved\n mapping (address => mapping (address => bool)) public allowedValidators;\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n {\n if (signerAddress != msg.sender) {\n require(\n isValidSignature(\n hash,\n signerAddress,\n signature\n ),\n \"INVALID_SIGNATURE\"\n );\n }\n preSigned[hash][signerAddress] = true;\n }\n\n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external\n nonReentrant\n {\n address signerAddress = getCurrentContextAddress();\n allowedValidators[signerAddress][validatorAddress] = approval;\n emit SignatureValidatorApproval(\n signerAddress,\n validatorAddress,\n approval\n );\n }\n\n /// @dev Verifies that a hash has been signed by the given signer.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid)\n {\n require(\n signature.length > 0,\n \"LENGTH_GREATER_THAN_0_REQUIRED\"\n );\n\n // Pop last byte off of signature byte array.\n uint8 signatureTypeRaw = uint8(signature.popLastByte());\n\n // Ensure signature is supported\n require(\n signatureTypeRaw < uint8(SignatureType.NSignatureTypes),\n \"SIGNATURE_UNSUPPORTED\"\n );\n\n SignatureType signatureType = SignatureType(signatureTypeRaw);\n\n // Variables are not scoped in Solidity.\n uint8 v;\n bytes32 r;\n bytes32 s;\n address recovered;\n\n // Always illegal signature.\n // This is always an implicit option since a signer can create a\n // signature array with invalid type or length. We may as well make\n // it an explicit option. This aids testing and analysis. It is\n // also the initialization value for the enum type.\n if (signatureType == SignatureType.Illegal) {\n revert(\"SIGNATURE_ILLEGAL\");\n\n // Always invalid signature.\n // Like Illegal, this is always implicitly available and therefore\n // offered explicitly. It can be implicitly created by providing\n // a correctly formatted but incorrect signature.\n } else if (signatureType == SignatureType.Invalid) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = false;\n return isValid;\n\n // Signature using EIP712\n } else if (signatureType == SignatureType.EIP712) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n hash,\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signed using web3.eth_sign\n } else if (signatureType == SignatureType.EthSign) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n32\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signature verified by wallet contract.\n // If used with an order, the maker of the order is the wallet contract.\n } else if (signatureType == SignatureType.Wallet) {\n isValid = isValidWalletSignature(\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signature verified by validator contract.\n // If used with an order, the maker of the order can still be an EOA.\n // A signature using this type should be encoded as:\n // | Offset | Length | Contents |\n // | 0x00 | x | Signature to validate |\n // | 0x00 + x | 20 | Address of validator contract |\n // | 0x14 + x | 1 | Signature type is always \"\\x06\" |\n } else if (signatureType == SignatureType.Validator) {\n // Pop last 20 bytes off of signature byte array.\n address validatorAddress = signature.popLast20Bytes();\n \n // Ensure signer has approved validator.\n if (!allowedValidators[signerAddress][validatorAddress]) {\n return false;\n }\n isValid = isValidValidatorSignature(\n validatorAddress,\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signer signed hash previously using the preSign function.\n } else if (signatureType == SignatureType.PreSigned) {\n isValid = preSigned[hash][signerAddress];\n return isValid;\n }\n\n // Anything else is illegal (We do not return false because\n // the signature may actually be valid, just not in a format\n // that we currently support. In this case returning false\n // may lead the caller to incorrectly believe that the\n // signature was invalid.)\n revert(\"SIGNATURE_UNSUPPORTED\");\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if signature is valid for given wallet..\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IWallet(walletAddress).isValidSignature.selector,\n hash,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n walletAddress, // address of Wallet contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"WALLET_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000c57414c4c45545f4552524f5200000000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IValidator(signerAddress).isValidSignature.selector,\n hash,\n signerAddress,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n validatorAddress, // address of Validator contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"VALIDATOR_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f56414c494441544f525f4552524f5200000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n}\n", - "2.0.0/protocol/Exchange/MixinTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"./libs/LibExchangeErrors.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./libs/LibEIP712.sol\";\n\n\ncontract MixinTransactions is\n LibEIP712,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of transaction hash => executed\n // This prevents transactions from being executed more than once.\n mapping (bytes32 => bool) public transactions;\n\n // Address of current transaction signer\n address public currentContextAddress;\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external\n {\n // Prevent reentrancy\n require(\n currentContextAddress == address(0),\n \"REENTRANCY_ILLEGAL\"\n );\n\n bytes32 transactionHash = hashEIP712Message(hashZeroExTransaction(\n salt,\n signerAddress,\n data\n ));\n\n // Validate transaction has not been executed\n require(\n !transactions[transactionHash],\n \"INVALID_TX_HASH\"\n );\n\n // Transaction always valid if signer is sender of transaction\n if (signerAddress != msg.sender) {\n // Validate signature\n require(\n isValidSignature(\n transactionHash,\n signerAddress,\n signature\n ),\n \"INVALID_TX_SIGNATURE\"\n );\n\n // Set the current transaction signer\n currentContextAddress = signerAddress;\n }\n\n // Execute transaction\n transactions[transactionHash] = true;\n require(\n address(this).delegatecall(data),\n \"FAILED_EXECUTION\"\n );\n\n // Reset current transaction signer if it was previously updated\n if (signerAddress != msg.sender) {\n currentContextAddress = address(0);\n }\n }\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;\n bytes32 dataHash = keccak256(data);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,\n // salt,\n // bytes32(signerAddress),\n // keccak256(data)\n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, schemaHash) // hash of schema\n mstore(add(memPtr, 32), salt) // salt\n mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff)) // signerAddress\n mstore(add(memPtr, 96), dataHash) // hash of data\n\n // Compute hash\n result := keccak256(memPtr, 128)\n }\n return result;\n }\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address)\n {\n address currentContextAddress_ = currentContextAddress;\n address contextAddress = currentContextAddress_ == address(0) ? msg.sender : currentContextAddress_;\n return contextAddress;\n }\n}\n", - "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibAbiEncoder.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MWrapperFunctions.sol\";\n\n\ncontract MixinWrapperFunctions is\n ReentrancyGuard,\n LibMath,\n LibFillResults,\n LibAbiEncoder,\n MExchangeCore,\n MWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrKillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n // Delegate to `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := delegatecall(\n gas, // forward all gas\n address, // call address of this contract\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrKillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n \n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public\n nonReentrant\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n cancelOrderInternal(orders[i]);\n }\n }\n\n /// @dev Fetches information for all passed in orders.\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n LibOrder.OrderInfo[] memory ordersInfo = new LibOrder.OrderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n ordersInfo[i] = getOrderInfo(orders[i]);\n }\n return ordersInfo;\n }\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n require(\n fillResults.takerAssetFilledAmount == takerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return fillResults;\n }\n}\n", - "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssetProxyDispatcher {\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external;\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IExchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./IExchangeCore.sol\";\nimport \"./IMatchOrders.sol\";\nimport \"./ISignatureValidator.sol\";\nimport \"./ITransactions.sol\";\nimport \"./IAssetProxyDispatcher.sol\";\nimport \"./IWrapperFunctions.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract IExchange is\n IExchangeCore,\n IMatchOrders,\n ISignatureValidator,\n ITransactions,\n IAssetProxyDispatcher,\n IWrapperFunctions\n{}\n", - "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IExchangeCore {\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external;\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrder(LibOrder.Order memory order)\n public;\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(LibOrder.Order memory order)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IMatchOrders {\n\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n}\n", - "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ISignatureValidator {\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external;\n \n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external;\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address of signer.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\n\ncontract ITransactions {\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external;\n}\n", - "2.0.0/protocol/Exchange/interfaces/IValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IValidator {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IWallet {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IWrapperFunctions {\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public;\n\n /// @dev Fetches information for all passed in orders\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory);\n}\n", - "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./LibOrder.sol\";\n\n\ncontract LibAbiEncoder {\n\n /// @dev ABI encodes calldata for `fillOrder`.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return ABI encoded calldata for `fillOrder`.\n function abiEncodeFillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n pure\n returns (bytes memory fillOrderCalldata)\n {\n // We need to call MExchangeCore.fillOrder using a delegatecall in\n // assembly so that we can intercept a call that throws. For this, we\n // need the input encoded in memory in the Ethereum ABIv2 format [1].\n\n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0x00 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 0x00 | | 1. offset to order (*) |\n // | | 0x20 | | 2. takerAssetFillAmount |\n // | | 0x40 | | 3. offset to signature (*) |\n // | Data | | 12 * 32 | order: |\n // | | 0x000 | | 1. senderAddress |\n // | | 0x020 | | 2. makerAddress |\n // | | 0x040 | | 3. takerAddress |\n // | | 0x060 | | 4. feeRecipientAddress |\n // | | 0x080 | | 5. makerAssetAmount |\n // | | 0x0A0 | | 6. takerAssetAmount |\n // | | 0x0C0 | | 7. makerFeeAmount |\n // | | 0x0E0 | | 8. takerFeeAmount |\n // | | 0x100 | | 9. expirationTimeSeconds |\n // | | 0x120 | | 10. salt |\n // | | 0x140 | | 11. Offset to makerAssetData (*) |\n // | | 0x160 | | 12. Offset to takerAssetData (*) |\n // | | 0x180 | 32 | makerAssetData Length |\n // | | 0x1A0 | ** | makerAssetData Contents |\n // | | 0x1C0 | 32 | takerAssetData Length |\n // | | 0x1E0 | ** | takerAssetData Contents |\n // | | 0x200 | 32 | signature Length |\n // | | 0x220 | ** | signature Contents |\n\n // * Offsets are calculated from the beginning of the current area: Header, Params, Data:\n // An offset stored in the Params area is calculated from the beginning of the Params section.\n // An offset stored in the Data area is calculated from the beginning of the Data section.\n\n // ** The length of dynamic array contents are stored in the field immediately preceeding the contents.\n\n // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html\n\n assembly {\n\n // Areas below may use the following variables:\n // 1. Start -- Start of this area in memory\n // 2. End -- End of this area in memory. This value may\n // be precomputed (before writing contents),\n // or it may be computed as contents are written.\n // 3. Offset -- Current offset into area. If an area's End\n // is precomputed, this variable tracks the\n // offsets of contents as they are written.\n\n /////// Setup Header Area ///////\n // Load free memory pointer\n fillOrderCalldata := mload(0x40)\n // bytes4(keccak256(\"fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)\"))\n // = 0xb4be83d5\n // Leave 0x20 bytes to store the length\n mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000)\n let headerAreaEnd := add(fillOrderCalldata, 0x24)\n\n /////// Setup Params Area ///////\n // This area is preallocated and written to later.\n // This is because we need to fill in offsets that have not yet been calculated.\n let paramsAreaStart := headerAreaEnd\n let paramsAreaEnd := add(paramsAreaStart, 0x60)\n let paramsAreaOffset := paramsAreaStart\n\n /////// Setup Data Area ///////\n let dataAreaStart := paramsAreaEnd\n let dataAreaEnd := dataAreaStart\n\n // Offset from the source data we're reading from\n let sourceOffset := order\n // arrayLenBytes and arrayLenWords track the length of a dynamically-allocated bytes array.\n let arrayLenBytes := 0\n let arrayLenWords := 0\n\n /////// Write order Struct ///////\n // Write memory location of Order, relative to the start of the\n // parameter list, then increment the paramsAreaOffset respectively.\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n // Write values for each field in the order\n // It would be nice to use a loop, but we save on gas by writing\n // the stores sequentially.\n mstore(dataAreaEnd, mload(sourceOffset)) // makerAddress\n mstore(add(dataAreaEnd, 0x20), mload(add(sourceOffset, 0x20))) // takerAddress\n mstore(add(dataAreaEnd, 0x40), mload(add(sourceOffset, 0x40))) // feeRecipientAddress\n mstore(add(dataAreaEnd, 0x60), mload(add(sourceOffset, 0x60))) // senderAddress\n mstore(add(dataAreaEnd, 0x80), mload(add(sourceOffset, 0x80))) // makerAssetAmount\n mstore(add(dataAreaEnd, 0xA0), mload(add(sourceOffset, 0xA0))) // takerAssetAmount\n mstore(add(dataAreaEnd, 0xC0), mload(add(sourceOffset, 0xC0))) // makerFeeAmount\n mstore(add(dataAreaEnd, 0xE0), mload(add(sourceOffset, 0xE0))) // takerFeeAmount\n mstore(add(dataAreaEnd, 0x100), mload(add(sourceOffset, 0x100))) // expirationTimeSeconds\n mstore(add(dataAreaEnd, 0x120), mload(add(sourceOffset, 0x120))) // salt\n mstore(add(dataAreaEnd, 0x140), mload(add(sourceOffset, 0x140))) // Offset to makerAssetData\n mstore(add(dataAreaEnd, 0x160), mload(add(sourceOffset, 0x160))) // Offset to takerAssetData\n dataAreaEnd := add(dataAreaEnd, 0x180)\n sourceOffset := add(sourceOffset, 0x180)\n\n // Write offset to \n mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x140)) // makerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Write offset to \n mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x160)) // takerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n /////// Write takerAssetFillAmount ///////\n mstore(paramsAreaOffset, takerAssetFillAmount)\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n /////// Write signature ///////\n // Write offset to paramsArea\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n\n // Calculate length of signature\n sourceOffset := signature\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of signature\n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of signature\n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Set length of calldata\n mstore(fillOrderCalldata, sub(dataAreaEnd, add(fillOrderCalldata, 0x20)))\n\n // Increment free memory pointer\n mstore(0x40, dataAreaEnd)\n }\n\n return fillOrderCalldata;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\n// solhint-disable max-line-length\ncontract LibConstants {\n \n // Asset data for ZRX token. Used for fee transfers.\n // @TODO: Hardcode constant when we deploy. Currently \n // not constant to make testing easier.\n\n // The proxyId for ZRX_ASSET_DATA is bytes4(keccak256(\"ERC20Token(address)\")) = 0xf47261b0\n \n // Kovan ZRX address is 0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570.\n // The ABI encoded proxyId and address is 0xf47261b00000000000000000000000006ff6c0ff1d68b964901f986d4c9fa3ac68346570\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x6f\\xf6\\xc0\\xff\\x1d\\x68\\xb9\\x64\\x90\\x1f\\x98\\x6d\\x4c\\x9f\\xa3\\xac\\x68\\x34\\x65\\x70\";\n \n // Mainnet ZRX address is 0xe41d2489571d322189246dafa5ebde1f4699f498.\n // The ABI encoded proxyId and address is 0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xe4\\x1d\\x24\\x89\\x57\\x1d\\x32\\x21\\x89\\x24\\x6d\\xaf\\xa5\\xeb\\xde\\x1f\\x46\\x99\\xf4\\x98\";\n \n // solhint-disable-next-line var-name-mixedcase\n bytes public ZRX_ASSET_DATA;\n\n // @TODO: Remove when we deploy.\n constructor (bytes memory zrxAssetData)\n public\n {\n ZRX_ASSET_DATA = zrxAssetData;\n }\n}\n// solhint-enable max-line-length\n", - "2.0.0/protocol/Exchange/libs/LibEIP712.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract LibEIP712 {\n\n // EIP191 header for EIP712 prefix\n string constant internal EIP191_HEADER = \"\\x19\\x01\";\n\n // EIP712 Domain Name value\n string constant internal EIP712_DOMAIN_NAME = \"0x Protocol\";\n\n // EIP712 Domain Version value\n string constant internal EIP712_DOMAIN_VERSION = \"2\";\n\n // Hash of the EIP712 Domain Separator Schema\n bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"EIP712Domain(\",\n \"string name,\",\n \"string version,\",\n \"address verifyingContract\",\n \")\"\n ));\n\n // Hash of the EIP712 Domain Separator data\n // solhint-disable-next-line var-name-mixedcase\n bytes32 public EIP712_DOMAIN_HASH;\n\n constructor ()\n public\n {\n EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(\n EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,\n keccak256(bytes(EIP712_DOMAIN_NAME)),\n keccak256(bytes(EIP712_DOMAIN_VERSION)),\n bytes32(address(this))\n ));\n }\n\n /// @dev Calculates EIP712 encoding for a hash struct in this EIP712 Domain.\n /// @param hashStruct The EIP712 hash struct.\n /// @return EIP712 hash applied to this EIP712 Domain.\n function hashEIP712Message(bytes32 hashStruct)\n internal\n view\n returns (bytes32 result)\n {\n bytes32 eip712DomainHash = EIP712_DOMAIN_HASH;\n\n // Assembly for more efficient computing:\n // keccak256(abi.encodePacked(\n // EIP191_HEADER,\n // EIP712_DOMAIN_HASH,\n // hashStruct \n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, 0x1901000000000000000000000000000000000000000000000000000000000000) // EIP191 header\n mstore(add(memPtr, 2), eip712DomainHash) // EIP712 domain hash\n mstore(add(memPtr, 34), hashStruct) // Hash of struct\n\n // Compute hash\n result := keccak256(memPtr, 66)\n }\n return result;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity 0.4.24;\n\n\n/// @dev This contract documents the revert reasons used in the Exchange contract.\n/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons.\ncontract LibExchangeErrors {\n\n /// Order validation errors ///\n string constant ORDER_UNFILLABLE = \"ORDER_UNFILLABLE\"; // Order cannot be filled.\n string constant INVALID_MAKER = \"INVALID_MAKER\"; // Invalid makerAddress.\n string constant INVALID_TAKER = \"INVALID_TAKER\"; // Invalid takerAddress.\n string constant INVALID_SENDER = \"INVALID_SENDER\"; // Invalid `msg.sender`.\n string constant INVALID_ORDER_SIGNATURE = \"INVALID_ORDER_SIGNATURE\"; // Signature validation failed. \n \n /// fillOrder validation errors ///\n string constant INVALID_TAKER_AMOUNT = \"INVALID_TAKER_AMOUNT\"; // takerAssetFillAmount cannot equal 0.\n string constant ROUNDING_ERROR = \"ROUNDING_ERROR\"; // Rounding error greater than 0.1% of takerAssetFillAmount. \n \n /// Signature validation errors ///\n string constant INVALID_SIGNATURE = \"INVALID_SIGNATURE\"; // Signature validation failed. \n string constant SIGNATURE_ILLEGAL = \"SIGNATURE_ILLEGAL\"; // Signature type is illegal.\n string constant SIGNATURE_UNSUPPORTED = \"SIGNATURE_UNSUPPORTED\"; // Signature type unsupported.\n \n /// cancelOrdersUptTo errors ///\n string constant INVALID_NEW_ORDER_EPOCH = \"INVALID_NEW_ORDER_EPOCH\"; // Specified salt must be greater than or equal to existing orderEpoch.\n\n /// fillOrKillOrder errors ///\n string constant COMPLETE_FILL_FAILED = \"COMPLETE_FILL_FAILED\"; // Desired takerAssetFillAmount could not be completely filled. \n\n /// matchOrders errors ///\n string constant NEGATIVE_SPREAD_REQUIRED = \"NEGATIVE_SPREAD_REQUIRED\"; // Matched orders must have a negative spread.\n\n /// Transaction errors ///\n string constant REENTRANCY_ILLEGAL = \"REENTRANCY_ILLEGAL\"; // Recursive reentrancy is not allowed. \n string constant INVALID_TX_HASH = \"INVALID_TX_HASH\"; // Transaction has already been executed. \n string constant INVALID_TX_SIGNATURE = \"INVALID_TX_SIGNATURE\"; // Signature validation failed. \n string constant FAILED_EXECUTION = \"FAILED_EXECUTION\"; // Transaction execution failed. \n \n /// registerAssetProxy errors ///\n string constant ASSET_PROXY_ALREADY_EXISTS = \"ASSET_PROXY_ALREADY_EXISTS\"; // AssetProxy with same id already exists.\n\n /// dispatchTransferFrom errors ///\n string constant ASSET_PROXY_DOES_NOT_EXIST = \"ASSET_PROXY_DOES_NOT_EXIST\"; // No assetProxy registered at given id.\n string constant TRANSFER_FAILED = \"TRANSFER_FAILED\"; // Asset transfer unsuccesful.\n\n /// Length validation errors ///\n string constant LENGTH_GREATER_THAN_0_REQUIRED = \"LENGTH_GREATER_THAN_0_REQUIRED\"; // Byte array must have a length greater than 0.\n string constant LENGTH_GREATER_THAN_3_REQUIRED = \"LENGTH_GREATER_THAN_3_REQUIRED\"; // Byte array must have a length greater than 3.\n string constant LENGTH_0_REQUIRED = \"LENGTH_0_REQUIRED\"; // Byte array must have a length of 0.\n string constant LENGTH_65_REQUIRED = \"LENGTH_65_REQUIRED\"; // Byte array must have a length of 65.\n}\n", - "2.0.0/protocol/Exchange/libs/LibFillResults.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibFillResults is\n SafeMath\n{\n struct FillResults {\n uint256 makerAssetFilledAmount; // Total amount of makerAsset(s) filled.\n uint256 takerAssetFilledAmount; // Total amount of takerAsset(s) filled.\n uint256 makerFeePaid; // Total amount of ZRX paid by maker(s) to feeRecipient(s).\n uint256 takerFeePaid; // Total amount of ZRX paid by taker to feeRecipients(s).\n }\n\n struct MatchedFillResults {\n FillResults left; // Amounts filled and fees paid of left order.\n FillResults right; // Amounts filled and fees paid of right order.\n uint256 leftMakerAssetSpreadAmount; // Spread between price of left and right order, denominated in the left order's makerAsset, paid to taker.\n }\n\n /// @dev Adds properties of both FillResults instances.\n /// Modifies the first FillResults instance specified.\n /// @param totalFillResults Fill results instance that will be added onto.\n /// @param singleFillResults Fill results instance that will be added to totalFillResults.\n function addFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)\n internal\n pure\n {\n totalFillResults.makerAssetFilledAmount = safeAdd(totalFillResults.makerAssetFilledAmount, singleFillResults.makerAssetFilledAmount);\n totalFillResults.takerAssetFilledAmount = safeAdd(totalFillResults.takerAssetFilledAmount, singleFillResults.takerAssetFilledAmount);\n totalFillResults.makerFeePaid = safeAdd(totalFillResults.makerFeePaid, singleFillResults.makerFeePaid);\n totalFillResults.takerFeePaid = safeAdd(totalFillResults.takerFeePaid, singleFillResults.takerFeePaid);\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibMath.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibMath is\n SafeMath\n{\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function safeGetPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorFloor(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function safeGetPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorCeil(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function getPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function getPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // The absolute rounding error is the difference between the rounded\n // value and the ideal value. The relative rounding error is the\n // absolute rounding error divided by the absolute value of the\n // ideal value. This is undefined when the ideal value is zero.\n //\n // The ideal value is `numerator * target / denominator`.\n // Let's call `numerator * target % denominator` the remainder.\n // The absolute error is `remainder / denominator`.\n //\n // When the ideal value is zero, we require the absolute error to\n // be zero. Fortunately, this is always the case. The ideal value is\n // zero iff `numerator == 0` and/or `target == 0`. In this case the\n // remainder and absolute error are also zero. \n if (target == 0 || numerator == 0) {\n return false;\n }\n \n // Otherwise, we want the relative rounding error to be strictly\n // less than 0.1%.\n // The relative error is `remainder / (numerator * target)`.\n // We want the relative error less than 1 / 1000:\n // remainder / (numerator * denominator) < 1 / 1000\n // or equivalently:\n // 1000 * remainder < numerator * target\n // so we have a rounding error iff:\n // 1000 * remainder >= numerator * target\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding up.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // See the comments in `isRoundingError`.\n if (target == 0 || numerator == 0) {\n // When either is zero, the ideal value and rounded value are zero\n // and there is no rounding error. (Although the relative error\n // is undefined.)\n return false;\n }\n // Compute remainder as before\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n remainder = safeSub(denominator, remainder) % denominator;\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibOrder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./LibEIP712.sol\";\n\n\ncontract LibOrder is\n LibEIP712\n{\n // Hash for the EIP712 Order Schema\n bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"Order(\",\n \"address makerAddress,\",\n \"address takerAddress,\",\n \"address feeRecipientAddress,\",\n \"address senderAddress,\",\n \"uint256 makerAssetAmount,\",\n \"uint256 takerAssetAmount,\",\n \"uint256 makerFee,\",\n \"uint256 takerFee,\",\n \"uint256 expirationTimeSeconds,\",\n \"uint256 salt,\",\n \"bytes makerAssetData,\",\n \"bytes takerAssetData\",\n \")\"\n ));\n\n // A valid order remains fillable until it is expired, fully filled, or cancelled.\n // An order's state is unaffected by external factors, like account balances.\n enum OrderStatus {\n INVALID, // Default value\n INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount\n INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount\n FILLABLE, // Order is fillable\n EXPIRED, // Order has already expired\n FULLY_FILLED, // Order is fully filled\n CANCELLED // Order has been cancelled\n }\n\n // solhint-disable max-line-length\n struct Order {\n address makerAddress; // Address that created the order. \n address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order. \n address feeRecipientAddress; // Address that will recieve fees when order is filled. \n address senderAddress; // Address that is allowed to call Exchange contract methods that affect this order. If set to 0, any address is allowed to call these methods.\n uint256 makerAssetAmount; // Amount of makerAsset being offered by maker. Must be greater than 0. \n uint256 takerAssetAmount; // Amount of takerAsset being bid on by maker. Must be greater than 0. \n uint256 makerFee; // Amount of ZRX paid to feeRecipient by maker when order is filled. If set to 0, no transfer of ZRX from maker to feeRecipient will be attempted.\n uint256 takerFee; // Amount of ZRX paid to feeRecipient by taker when order is filled. If set to 0, no transfer of ZRX from taker to feeRecipient will be attempted.\n uint256 expirationTimeSeconds; // Timestamp in seconds at which order expires. \n uint256 salt; // Arbitrary number to facilitate uniqueness of the order's hash. \n bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.\n bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.\n }\n // solhint-enable max-line-length\n\n struct OrderInfo {\n uint8 orderStatus; // Status that describes order's validity and fillability.\n bytes32 orderHash; // EIP712 hash of the order (see LibOrder.getOrderHash).\n uint256 orderTakerAssetFilledAmount; // Amount of order that has already been filled.\n }\n\n /// @dev Calculates Keccak-256 hash of the order.\n /// @param order The order structure.\n /// @return Keccak-256 EIP712 hash of the order.\n function getOrderHash(Order memory order)\n internal\n view\n returns (bytes32 orderHash)\n {\n orderHash = hashEIP712Message(hashOrder(order));\n return orderHash;\n }\n\n /// @dev Calculates EIP712 hash of the order.\n /// @param order The order structure.\n /// @return EIP712 hash of the order.\n function hashOrder(Order memory order)\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ORDER_SCHEMA_HASH;\n bytes32 makerAssetDataHash = keccak256(order.makerAssetData);\n bytes32 takerAssetDataHash = keccak256(order.takerAssetData);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ORDER_SCHEMA_HASH,\n // bytes32(order.makerAddress),\n // bytes32(order.takerAddress),\n // bytes32(order.feeRecipientAddress),\n // bytes32(order.senderAddress),\n // order.makerAssetAmount,\n // order.takerAssetAmount,\n // order.makerFee,\n // order.takerFee,\n // order.expirationTimeSeconds,\n // order.salt,\n // keccak256(order.makerAssetData),\n // keccak256(order.takerAssetData)\n // ));\n\n assembly {\n // Calculate memory addresses that will be swapped out before hashing\n let pos1 := sub(order, 32)\n let pos2 := add(order, 320)\n let pos3 := add(order, 352)\n\n // Backup\n let temp1 := mload(pos1)\n let temp2 := mload(pos2)\n let temp3 := mload(pos3)\n \n // Hash in place\n mstore(pos1, schemaHash)\n mstore(pos2, makerAssetDataHash)\n mstore(pos3, takerAssetDataHash)\n result := keccak256(pos1, 416)\n \n // Restore\n mstore(pos1, temp1)\n mstore(pos2, temp2)\n mstore(pos3, temp3)\n }\n return result;\n }\n}\n", - "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssetProxyDispatcher.sol\";\n\n\ncontract MAssetProxyDispatcher is\n IAssetProxyDispatcher\n{\n // Logs registration of new asset proxy\n event AssetProxyRegistered(\n bytes4 id, // Id of new registered AssetProxy.\n address assetProxy // Address of new registered AssetProxy.\n );\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal;\n}\n", - "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IExchangeCore.sol\";\n\n\ncontract MExchangeCore is\n IExchangeCore\n{\n // Fill event is emitted whenever an order is filled.\n event Fill(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that received fees.\n address takerAddress, // Address that filled the order.\n address senderAddress, // Address that called the Exchange contract (msg.sender).\n uint256 makerAssetFilledAmount, // Amount of makerAsset sold by maker and bought by taker. \n uint256 takerAssetFilledAmount, // Amount of takerAsset sold by taker and bought by maker.\n uint256 makerFeePaid, // Amount of ZRX paid to feeRecipient by maker.\n uint256 takerFeePaid, // Amount of ZRX paid to feeRecipient by taker.\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // Cancel event is emitted whenever an individual order is cancelled.\n event Cancel(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that would have recieved fees if order was filled. \n address senderAddress, // Address that called the Exchange contract (msg.sender).\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // CancelUpTo event is emitted whenever `cancelOrdersUpTo` is executed succesfully.\n event CancelUpTo(\n address indexed makerAddress, // Orders cancelled must have been created by this address.\n address indexed senderAddress, // Orders cancelled must have a `senderAddress` equal to this address.\n uint256 orderEpoch // Orders with specified makerAddress and senderAddress with a salt less than this value are considered cancelled.\n );\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrderInternal(LibOrder.Order memory order)\n internal;\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function updateFilledState(\n LibOrder.Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n LibFillResults.FillResults memory fillResults\n )\n internal;\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n LibOrder.Order memory order,\n bytes32 orderHash\n )\n internal;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo Status, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view;\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo\n )\n internal\n view;\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n LibOrder.Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.FillResults memory fillResults);\n\n}\n", - "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IMatchOrders.sol\";\n\n\ncontract MMatchOrders is\n IMatchOrders\n{\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure;\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n\n}\n", - "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/ISignatureValidator.sol\";\n\n\ncontract MSignatureValidator is\n ISignatureValidator\n{\n event SignatureValidatorApproval(\n address indexed signerAddress, // Address that approves or disapproves a contract to verify signatures.\n address indexed validatorAddress, // Address of signature validator contract.\n bool approved // Approval or disapproval of validator contract.\n );\n\n // Allowed signature types.\n enum SignatureType {\n Illegal, // 0x00, default value\n Invalid, // 0x01\n EIP712, // 0x02\n EthSign, // 0x03\n Wallet, // 0x04\n Validator, // 0x05\n PreSigned, // 0x06\n NSignatureTypes // 0x07, number of signature types. Always leave at end.\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/mixins/MTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"../interfaces/ITransactions.sol\";\n\n\ncontract MTransactions is\n ITransactions\n{\n // Hash for the EIP712 ZeroEx Transaction Schema\n bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"ZeroExTransaction(\",\n \"uint256 salt,\",\n \"address signerAddress,\",\n \"bytes data\",\n \")\"\n ));\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result);\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address);\n}\n", - "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IWrapperFunctions.sol\";\n\n\ncontract MWrapperFunctions is \n IWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n}\n", - "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/MintableERC20Token.sol\";\n\n\ncontract DummyERC20Token is \n Ownable,\n MintableERC20Token\n{\n string public name;\n string public symbol;\n uint256 public decimals;\n uint256 public constant MAX_MINT_AMOUNT = 10000000000000000000000;\n\n constructor (\n string _name,\n string _symbol,\n uint256 _decimals,\n uint256 _totalSupply\n )\n public\n {\n name = _name;\n symbol = _symbol;\n decimals = _decimals;\n _totalSupply = _totalSupply;\n balances[msg.sender] = _totalSupply;\n }\n\n /// @dev Sets the balance of target address\n /// @param _target Address or which balance will be updated\n /// @param _value New balance of target address\n function setBalance(address _target, uint256 _value)\n external\n onlyOwner\n {\n uint256 currBalance = balances[_target];\n if (_value < currBalance) {\n _totalSupply = safeSub(_totalSupply, safeSub(currBalance, _value));\n } else {\n _totalSupply = safeAdd(_totalSupply, safeSub(_value, currBalance));\n }\n balances[_target] = _value;\n }\n\n /// @dev Mints new tokens for sender\n /// @param _value Amount of tokens to mint\n function mint(uint256 _value)\n external\n {\n require(\n _value <= MAX_MINT_AMOUNT,\n \"VALUE_TOO_LARGE\"\n );\n\n _mint(msg.sender, _value);\n }\n}\n", - "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../tokens/ERC721Token/MintableERC721Token.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract DummyERC721Token is\n Ownable,\n MintableERC721Token\n{\n string public name;\n string public symbol;\n\n constructor (\n string _name,\n string _symbol\n )\n public\n {\n name = _name;\n symbol = _symbol;\n }\n\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function mint(address _to, uint256 _tokenId)\n external\n {\n _mint(_to, _tokenId);\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist or not called by contract owner\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function burn(address _owner, uint256 _tokenId)\n external\n onlyOwner\n {\n _burn(_owner, _tokenId);\n }\n}\n", - "2.0.0/tokens/ERC20Token/ERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC20Token.sol\";\n\n\ncontract ERC20Token is\n IERC20Token\n{\n mapping (address => uint256) internal balances;\n mapping (address => mapping (address => uint256)) internal allowed;\n\n uint256 internal _totalSupply;\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool)\n {\n require(\n balances[msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[msg.sender] -= _value;\n balances[_to] += _value;\n\n emit Transfer(\n msg.sender,\n _to,\n _value\n );\n\n return true;\n }\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowed[_from][msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n allowed[_from][msg.sender] -= _value;\n \n emit Transfer(\n _from,\n _to,\n _value\n );\n \n return true;\n }\n\n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool)\n {\n allowed[msg.sender][_spender] = _value;\n emit Approval(\n msg.sender,\n _spender,\n _value\n );\n return true;\n }\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256)\n {\n return _totalSupply;\n }\n\n /// @dev Query the balance of owner\n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n return balances[_owner];\n }\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256)\n {\n return allowed[_owner][_spender];\n }\n}\n", - "2.0.0/tokens/ERC20Token/IERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n \n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n \n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", - "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/SafeMath/SafeMath.sol\";\nimport \"./UnlimitedAllowanceERC20Token.sol\";\n\n\ncontract MintableERC20Token is \n SafeMath,\n UnlimitedAllowanceERC20Token\n{\n /// @dev Mints new tokens\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _value Amount of tokens to mint\n function _mint(address _to, uint256 _value)\n internal\n {\n balances[_to] = safeAdd(_value, balances[_to]);\n _totalSupply = safeAdd(_totalSupply, _value);\n\n emit Transfer(\n address(0),\n _to,\n _value\n );\n }\n\n /// @dev Mints new tokens\n /// @param _owner Owner of tokens that will be burned\n /// @param _value Amount of tokens to burn\n function _burn(address _owner, uint256 _value)\n internal\n {\n balances[_owner] = safeSub(balances[_owner], _value);\n _totalSupply = safeSub(_totalSupply, _value);\n\n emit Transfer(\n _owner,\n address(0),\n _value\n );\n }\n}\n", - "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/ERC20Token.sol\";\n\n\ncontract UnlimitedAllowanceERC20Token is\n ERC20Token\n{\n uint256 constant internal MAX_UINT = 2**256 - 1;\n\n /// @dev ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited allowance. See https://github.com/ethereum/EIPs/issues/717\n /// @param _from Address to transfer from.\n /// @param _to Address to transfer to.\n /// @param _value Amount to transfer.\n /// @return Success of transfer.\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n uint256 allowance = allowed[_from][msg.sender];\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowance >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n if (allowance < MAX_UINT) {\n allowed[_from][msg.sender] -= _value;\n }\n\n emit Transfer(\n _from,\n _to,\n _value\n );\n\n return true;\n }\n}\n", - "2.0.0/tokens/ERC721Token/ERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC721Token.sol\";\nimport \"./IERC721Receiver.sol\";\nimport \"../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract ERC721Token is\n IERC721Token,\n SafeMath\n{\n // Function selector for ERC721Receiver.onERC721Received\n // 0x150b7a02\n bytes4 constant internal ERC721_RECEIVED = bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"));\n\n // Mapping of tokenId => owner\n mapping (uint256 => address) internal owners;\n\n // Mapping of tokenId => approved address\n mapping (uint256 => address) internal approvals;\n\n // Mapping of owner => number of tokens owned\n mapping (address => uint256) internal balances;\n\n // Mapping of owner => operator => approved\n mapping (address => mapping (address => bool)) internal operatorApprovals;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n _data\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n \"\"\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external\n {\n address owner = ownerOf(_tokenId);\n require(\n msg.sender == owner || isApprovedForAll(owner, msg.sender),\n \"ERC721_INVALID_SENDER\"\n );\n\n approvals[_tokenId] = _approved;\n emit Approval(\n owner,\n _approved,\n _tokenId\n );\n }\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external\n {\n operatorApprovals[msg.sender][_operator] = _approved;\n emit ApprovalForAll(\n msg.sender,\n _operator,\n _approved\n );\n }\n \n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return balances[_owner];\n }\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = ownerOf(_tokenId);\n require(\n _from == owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n address spender = msg.sender;\n address approvedAddress = getApproved(_tokenId);\n require(\n spender == owner ||\n isApprovedForAll(owner, spender) ||\n approvedAddress == spender,\n \"ERC721_INVALID_SPENDER\"\n );\n\n if (approvedAddress != address(0)) {\n approvals[_tokenId] = address(0);\n }\n\n owners[_tokenId] = _to;\n balances[_from] = safeSub(balances[_from], 1);\n balances[_to] = safeAdd(balances[_to], 1);\n \n emit Transfer(\n _from,\n _to,\n _tokenId\n );\n }\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address)\n {\n address owner = owners[_tokenId];\n require(\n owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return owner;\n }\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId)\n public\n view\n returns (address)\n {\n return approvals[_tokenId];\n }\n\n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool)\n {\n return operatorApprovals[_owner][_operator];\n }\n}\n", - "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Receiver {\n\n /// @notice Handle the receipt of an NFT\n /// @dev The ERC721 smart contract calls this function on the recipient\n /// after a `transfer`. This function MAY throw to revert and reject the\n /// transfer. Return of other than the magic value MUST result in the\n /// transaction being reverted.\n /// Note: the contract address is always the message sender.\n /// @param _operator The address which called `safeTransferFrom` function\n /// @param _from The address which previously owned the token\n /// @param _tokenId The NFT identifier which is being transferred\n /// @param _data Additional data with no specified format\n /// @return `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`\n /// unless throwing\n function onERC721Received(\n address _operator,\n address _from,\n uint256 _tokenId,\n bytes _data\n )\n external\n returns (bytes4);\n}\n", - "2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Token {\n\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(\n address indexed _owner,\n address indexed _approved,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(\n address indexed _owner,\n address indexed _operator,\n bool _approved\n );\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// perator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external;\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public;\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address);\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) \n public\n view\n returns (address);\n \n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool);\n}\n", - "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./ERC721Token.sol\";\n\n\ncontract MintableERC721Token is\n ERC721Token\n{\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function _mint(address _to, uint256 _tokenId)\n internal\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == address(0),\n \"ERC721_OWNER_ALREADY_EXISTS\"\n );\n\n owners[_tokenId] = _to;\n balances[_to] = safeAdd(balances[_to], 1);\n\n emit Transfer(\n address(0),\n _to,\n _tokenId\n );\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function _burn(address _owner, uint256 _tokenId)\n internal\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == _owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n owners[_tokenId] = address(0);\n balances[_owner] = safeSub(balances[_owner], 1);\n\n emit Transfer(\n _owner,\n address(0),\n _tokenId\n );\n }\n}\n", - "2.0.0/tokens/EtherToken/IEtherToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/IERC20Token.sol\";\n\n\ncontract IEtherToken is\n IERC20Token\n{\n function deposit()\n public\n payable;\n \n function withdraw(uint256 amount)\n public;\n}\n", - "2.0.0/utils/LibBytes/LibBytes.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\nlibrary LibBytes {\n\n using LibBytes for bytes;\n\n /// @dev Gets the memory address for a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of byte array. This\n /// points to the header of the byte array which contains\n /// the length.\n function rawAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := input\n }\n return memoryAddress;\n }\n \n /// @dev Gets the memory address for the contents of a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of the contents of the byte array.\n function contentAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := add(input, 32)\n }\n return memoryAddress;\n }\n\n /// @dev Copies `length` bytes from memory location `source` to `dest`.\n /// @param dest memory address to copy bytes to.\n /// @param source memory address to copy bytes from.\n /// @param length number of bytes to copy.\n function memCopy(\n uint256 dest,\n uint256 source,\n uint256 length\n )\n internal\n pure\n {\n if (length < 32) {\n // Handle a partial word by reading destination and masking\n // off the bits we are interested in.\n // This correctly handles overlap, zero lengths and source == dest\n assembly {\n let mask := sub(exp(256, sub(32, length)), 1)\n let s := and(mload(source), not(mask))\n let d := and(mload(dest), mask)\n mstore(dest, or(s, d))\n }\n } else {\n // Skip the O(length) loop when source == dest.\n if (source == dest) {\n return;\n }\n\n // For large copies we copy whole words at a time. The final\n // word is aligned to the end of the range (instead of after the\n // previous) to handle partial words. So a copy will look like this:\n //\n // ####\n // ####\n // ####\n // ####\n //\n // We handle overlap in the source and destination range by\n // changing the copying direction. This prevents us from\n // overwriting parts of source that we still need to copy.\n //\n // This correctly handles source == dest\n //\n if (source > dest) {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because it\n // is easier to compare with in the loop, and these\n // are also the addresses we need for copying the\n // last bytes.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the last 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the last bytes in\n // source already due to overlap.\n let last := mload(sEnd)\n\n // Copy whole words front to back\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} lt(source, sEnd) {} {\n mstore(dest, mload(source))\n source := add(source, 32)\n dest := add(dest, 32)\n }\n \n // Write the last 32 bytes\n mstore(dEnd, last)\n }\n } else {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because those\n // are the starting points when copying a word at the end.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the first 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the first bytes in\n // source already due to overlap.\n let first := mload(source)\n\n // Copy whole words back to front\n // We use a signed comparisson here to allow dEnd to become\n // negative (happens when source and dest < 32). Valid\n // addresses in local memory will never be larger than\n // 2**255, so they can be safely re-interpreted as signed.\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} slt(dest, dEnd) {} {\n mstore(dEnd, mload(sEnd))\n sEnd := sub(sEnd, 32)\n dEnd := sub(dEnd, 32)\n }\n \n // Write the first 32 bytes\n mstore(dest, first)\n }\n }\n }\n }\n\n /// @dev Returns a slices from a byte array.\n /// @param b The byte array to take a slice from.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n function slice(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure and copy contents\n result = new bytes(to - from);\n memCopy(\n result.contentAddress(),\n b.contentAddress() + from,\n result.length\n );\n return result;\n }\n \n /// @dev Returns a slice from a byte array without preserving the input.\n /// @param b The byte array to take a slice from. Will be destroyed in the process.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n /// @dev When `from == 0`, the original array will match the slice. In other cases its state will be corrupted.\n function sliceDestructive(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure around [from, to) in-place.\n assembly {\n result := add(b, from)\n mstore(result, sub(to, from))\n }\n return result;\n }\n\n /// @dev Pops the last byte off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The byte that was popped off.\n function popLastByte(bytes memory b)\n internal\n pure\n returns (bytes1 result)\n {\n require(\n b.length > 0,\n \"GREATER_THAN_ZERO_LENGTH_REQUIRED\"\n );\n\n // Store last byte.\n result = b[b.length - 1];\n\n assembly {\n // Decrement length of byte array.\n let newLen := sub(mload(b), 1)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Pops the last 20 bytes off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The 20 byte address that was popped off.\n function popLast20Bytes(bytes memory b)\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= 20,\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Store last 20 bytes.\n result = readAddress(b, b.length - 20);\n\n assembly {\n // Subtract 20 from byte array length.\n let newLen := sub(mload(b), 20)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Tests equality of two byte arrays.\n /// @param lhs First byte array to compare.\n /// @param rhs Second byte array to compare.\n /// @return True if arrays are the same. False otherwise.\n function equals(\n bytes memory lhs,\n bytes memory rhs\n )\n internal\n pure\n returns (bool equal)\n {\n // Keccak gas cost is 30 + numWords * 6. This is a cheap way to compare.\n // We early exit on unequal lengths, but keccak would also correctly\n // handle this.\n return lhs.length == rhs.length && keccak256(lhs) == keccak256(rhs);\n }\n\n /// @dev Reads an address from a position in a byte array.\n /// @param b Byte array containing an address.\n /// @param index Index in byte array of address.\n /// @return address from byte array.\n function readAddress(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Read address from array memory\n assembly {\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 20-byte mask to obtain address\n result := and(mload(add(b, index)), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n return result;\n }\n\n /// @dev Writes an address into a specific position in a byte array.\n /// @param b Byte array to insert address into.\n /// @param index Index in byte array of address.\n /// @param input Address to put into byte array.\n function writeAddress(\n bytes memory b,\n uint256 index,\n address input\n )\n internal\n pure\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Store address into array memory\n assembly {\n // The address occupies 20 bytes and mstore stores 32 bytes.\n // First fetch the 32-byte word where we'll be storing the address, then\n // apply a mask so we have only the bytes in the word that the address will not occupy.\n // Then combine these bytes with the address and store the 32 bytes back to memory with mstore.\n\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 12-byte mask to obtain extra bytes occupying word of memory where we'll store the address\n let neighbors := and(\n mload(add(b, index)),\n 0xffffffffffffffffffffffff0000000000000000000000000000000000000000\n )\n \n // Make sure input address is clean.\n // (Solidity does not guarantee this)\n input := and(input, 0xffffffffffffffffffffffffffffffffffffffff)\n\n // Store the neighbors and address into memory\n mstore(add(b, index), xor(input, neighbors))\n }\n }\n\n /// @dev Reads a bytes32 value from a position in a byte array.\n /// @param b Byte array containing a bytes32 value.\n /// @param index Index in byte array of bytes32 value.\n /// @return bytes32 value from byte array.\n function readBytes32(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes32 result)\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n result := mload(add(b, index))\n }\n return result;\n }\n\n /// @dev Writes a bytes32 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes32 to put into byte array.\n function writeBytes32(\n bytes memory b,\n uint256 index,\n bytes32 input\n )\n internal\n pure\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n mstore(add(b, index), input)\n }\n }\n\n /// @dev Reads a uint256 value from a position in a byte array.\n /// @param b Byte array containing a uint256 value.\n /// @param index Index in byte array of uint256 value.\n /// @return uint256 value from byte array.\n function readUint256(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (uint256 result)\n {\n result = uint256(readBytes32(b, index));\n return result;\n }\n\n /// @dev Writes a uint256 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input uint256 to put into byte array.\n function writeUint256(\n bytes memory b,\n uint256 index,\n uint256 input\n )\n internal\n pure\n {\n writeBytes32(b, index, bytes32(input));\n }\n\n /// @dev Reads an unpadded bytes4 value from a position in a byte array.\n /// @param b Byte array containing a bytes4 value.\n /// @param index Index in byte array of bytes4 value.\n /// @return bytes4 value from byte array.\n function readBytes4(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes4 result)\n {\n require(\n b.length >= index + 4,\n \"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 32 byte length field\n index += 32;\n\n // Read the bytes4 from array memory\n assembly {\n result := mload(add(b, index))\n // Solidity does not require us to clean the trailing bytes.\n // We do it anyway\n result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)\n }\n return result;\n }\n\n /// @dev Reads nested bytes from a specific position.\n /// @dev NOTE: the returned value overlaps with the input value.\n /// Both should be treated as immutable.\n /// @param b Byte array containing nested bytes.\n /// @param index Index of nested bytes.\n /// @return result Nested bytes.\n function readBytesWithLength(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes memory result)\n {\n // Read length of nested bytes\n uint256 nestedBytesLength = readUint256(b, index);\n index += 32;\n\n // Assert length of is valid, given\n // length of nested bytes\n require(\n b.length >= index + nestedBytesLength,\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n \n // Return a pointer to the byte array as it exists inside `b`\n assembly {\n result := add(b, index)\n }\n return result;\n }\n\n /// @dev Inserts bytes at a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes to insert.\n function writeBytesWithLength(\n bytes memory b,\n uint256 index,\n bytes memory input\n )\n internal\n pure\n {\n // Assert length of is valid, given\n // length of input\n require(\n b.length >= index + 32 + input.length, // 32 bytes to store length\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n\n // Copy into \n memCopy(\n b.contentAddress() + index,\n input.rawAddress(), // includes length of \n input.length + 32 // +32 bytes to store length\n );\n }\n\n /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length.\n /// @param dest Byte array that will be overwritten with source bytes.\n /// @param source Byte array to copy onto dest bytes.\n function deepCopyBytes(\n bytes memory dest,\n bytes memory source\n )\n internal\n pure\n {\n uint256 sourceLen = source.length;\n // Dest length must be >= source length, or some bytes would not be copied.\n require(\n dest.length >= sourceLen,\n \"GREATER_OR_EQUAL_TO_SOURCE_BYTES_LENGTH_REQUIRED\"\n );\n memCopy(\n dest.contentAddress(),\n source.contentAddress(),\n sourceLen\n );\n }\n}\n", - "2.0.0/utils/Ownable/IOwnable.sol": "pragma solidity 0.4.24;\n\n\ncontract IOwnable {\n\n function transferOwnership(address newOwner)\n public;\n}\n", - "2.0.0/utils/Ownable/Ownable.sol": "pragma solidity 0.4.24;\n\nimport \"./IOwnable.sol\";\n\n\ncontract Ownable is\n IOwnable\n{\n address public owner;\n\n constructor ()\n public\n {\n owner = msg.sender;\n }\n\n modifier onlyOwner() {\n require(\n msg.sender == owner,\n \"ONLY_CONTRACT_OWNER\"\n );\n _;\n }\n\n function transferOwnership(address newOwner)\n public\n onlyOwner\n {\n if (newOwner != address(0)) {\n owner = newOwner;\n }\n }\n}\n", - "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ReentrancyGuard {\n\n // Locked state of mutex\n bool private locked = false;\n\n /// @dev Functions with this modifer cannot be reentered. The mutex will be locked\n /// before function execution and unlocked after.\n modifier nonReentrant() {\n // Ensure mutex is unlocked\n require(\n !locked,\n \"REENTRANCY_ILLEGAL\"\n );\n\n // Lock mutex before function call\n locked = true;\n\n // Perform function call\n _;\n\n // Unlock mutex after function call\n locked = false;\n }\n}\n", - "2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n\n function safeMul(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(\n c / a == b,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function safeDiv(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a / b;\n return c;\n }\n\n function safeSub(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n require(\n b <= a,\n \"UINT256_UNDERFLOW\"\n );\n return a - b;\n }\n\n function safeAdd(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a + b;\n require(\n c >= a,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function max64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n\n function max256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n}\n" - }, - "sourceTreeHashHex": "0x7c03657f568331e5dbdd3212ed6be6074760e096f601ee84ad8c0fa46acd293f", - "compiler": { - "name": "solc", - "version": "soljson-v0.4.24+commit.e67f0147.js", - "settings": { - "optimizer": { - "enabled": true, - "runs": 1000000 - }, - "outputSelection": { - "*": { - "*": [ - "abi", - "evm.bytecode.object", - "evm.bytecode.sourceMap", - "evm.deployedBytecode.object", - "evm.deployedBytecode.sourceMap" - ] - } - } - } - }, - "networks": {} -} \ No newline at end of file diff --git a/packages/migrations/artifacts/2.0.0-mainnet/ERC20Proxy.json b/packages/migrations/artifacts/2.0.0-mainnet/ERC20Proxy.json deleted file mode 100644 index 5bd37ef26..000000000 --- a/packages/migrations/artifacts/2.0.0-mainnet/ERC20Proxy.json +++ /dev/null @@ -1,481 +0,0 @@ -{ - "schemaVersion": "2.0.0", - "contractName": "ERC20Proxy", - "compilerOutput": { - "abi": [ - { - "constant": false, - "inputs": [ - { - "name": "target", - "type": "address" - } - ], - "name": "addAuthorizedAddress", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "", - "type": "uint256" - } - ], - "name": "authorities", - "outputs": [ - { - "name": "", - "type": "address" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "target", - "type": "address" - } - ], - "name": "removeAuthorizedAddress", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": true, - "inputs": [], - "name": "owner", - "outputs": [ - { - "name": "", - "type": "address" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "target", - "type": "address" - }, - { - "name": "index", - "type": "uint256" - } - ], - "name": "removeAuthorizedAddressAtIndex", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": true, - "inputs": [], - "name": "getProxyId", - "outputs": [ - { - "name": "", - "type": "bytes4" - } - ], - "payable": false, - "stateMutability": "pure", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "", - "type": "address" - } - ], - "name": "authorized", - "outputs": [ - { - "name": "", - "type": "bool" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [], - "name": "getAuthorizedAddresses", - "outputs": [ - { - "name": "", - "type": "address[]" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "newOwner", - "type": "address" - } - ], - "name": "transferOwnership", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "payable": false, - "stateMutability": "nonpayable", - "type": "fallback" - }, - { - "anonymous": false, - "inputs": [ - { - "indexed": true, - "name": "target", - "type": "address" - }, - { - "indexed": true, - "name": "caller", - "type": "address" - } - ], - "name": "AuthorizedAddressAdded", - "type": "event" - }, - { - "anonymous": false, - "inputs": [ - { - "indexed": true, - "name": "target", - "type": "address" - }, - { - "indexed": true, - "name": "caller", - "type": "address" - } - ], - "name": "AuthorizedAddressRemoved", - "type": "event" - } - ], - "evm": { - "bytecode": { - "linkReferences": {}, - "object": 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0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ PUSH2 0xBC2 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1B PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x415554484F52495A45445F414444524553535F4D49534D415443480000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE PUSH1 0x2 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 ADD SWAP1 DUP2 LT PUSH2 0xC3D JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH1 0x2 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND SWAP2 DUP4 SWAP1 DUP2 LT PUSH2 0xC70 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP3 SWAP1 SWAP3 AND SWAP2 SWAP1 SWAP2 OR SWAP1 SSTORE PUSH1 0x2 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 PUSH2 0xCEF SWAP1 DUP3 PUSH2 0xED7 JUMP JUMPDEST POP PUSH1 0x40 MLOAD CALLER SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND SWAP1 PUSH32 0x1F32C1B084E2DE0713B8FB16BD46BB9DF710A3DBEAE2F3CA93AF46E016DCC6B0 SWAP1 PUSH1 0x0 SWAP1 LOG3 POP POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x4552433230546F6B656E28616464726573732900000000000000000000000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x13 ADD SWAP1 KECCAK256 JUMPDEST SWAP1 JUMP JUMPDEST PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x2 DUP1 SLOAD DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP1 SLOAD DUP1 ISZERO PUSH2 0xDE7 JUMPI PUSH1 0x20 MUL DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0xDBC JUMPI JUMPDEST POP POP POP POP POP SWAP1 POP SWAP1 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xE77 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0xED4 JUMPI PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND OR SWAP1 SSTORE JUMPDEST POP JUMP JUMPDEST DUP2 SLOAD DUP2 DUP4 SSTORE DUP2 DUP2 GT ISZERO PUSH2 0xEFB JUMPI PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x20 SWAP1 KECCAK256 PUSH2 0xEFB SWAP2 DUP2 ADD SWAP1 DUP4 ADD PUSH2 0xF00 JUMP JUMPDEST POP POP POP JUMP JUMPDEST PUSH2 0xD6A SWAP2 SWAP1 JUMPDEST DUP1 DUP3 GT ISZERO PUSH2 0xF1A JUMPI PUSH1 0x0 DUP2 SSTORE PUSH1 0x1 ADD PUSH2 0xF06 JUMP JUMPDEST POP SWAP1 JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 0xf6 0xb2 0xca 0xdd LOG0 0xbe SWAP12 0x47 RETURN PUSH31 0xD4A850B096E49B5E2E8BB7446D65481ADECF980824A0002900000000000000 ", - "sourceMap": "641:8586:14:-;;;162:5:55;:18;;-1:-1:-1;;;;;;162:18:55;170:10;162:18;;;641:8586:14;;;;;;" - }, - "deployedBytecode": { - "linkReferences": {}, - "object": 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- "opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0x98 JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x42F1181E DUP2 EQ PUSH2 0x248 JUMPI DUP1 PUSH4 0x494503D4 EQ PUSH2 0x278 JUMPI DUP1 PUSH4 0x70712939 EQ PUSH2 0x2B9 JUMPI DUP1 PUSH4 0x8DA5CB5B EQ PUSH2 0x2E7 JUMPI DUP1 PUSH4 0x9AD26744 EQ PUSH2 0x2FC JUMPI DUP1 PUSH4 0xAE25532E EQ PUSH2 0x32D JUMPI DUP1 PUSH4 0xB9181611 EQ PUSH2 0x377 JUMPI DUP1 PUSH4 0xD39DE6E9 EQ PUSH2 0x3B9 JUMPI DUP1 PUSH4 0xF2FDE38B EQ PUSH2 0x41E JUMPI JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xA4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD AND PUSH32 0xA85E59E400000000000000000000000000000000000000000000000000000000 DUP2 EQ ISZERO PUSH2 0x243 JUMPI PUSH1 0x40 DUP1 MLOAD CALLER DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP3 ADD MSTORE SWAP1 DUP2 KECCAK256 SLOAD ISZERO ISZERO PUSH2 0x17B JUMPI PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 PUSH1 0x0 MSTORE PUSH29 0x2000000000000000000000000000000000000000000000000000000000 PUSH1 0x20 MSTORE PUSH29 0x1553454E4445525F4E4F545F415554484F52495A454400000000000000 PUSH1 0x40 MSTORE PUSH1 0x0 PUSH1 0x60 MSTORE PUSH1 0x64 PUSH1 0x0 REVERT JUMPDEST PUSH1 0x28 PUSH1 0x4 CALLDATALOAD ADD CALLDATALOAD PUSH32 0x23B872DD00000000000000000000000000000000000000000000000000000000 PUSH1 0x0 MSTORE PUSH1 0x60 PUSH1 0x24 PUSH1 0x4 CALLDATACOPY PUSH1 0x20 PUSH1 0x0 PUSH1 0x64 PUSH1 0x0 DUP1 DUP6 GAS CALL PUSH1 0x0 DUP1 MLOAD GT PUSH1 0x20 RETURNDATASIZE EQ AND RETURNDATASIZE ISZERO OR DUP2 AND SWAP1 POP DUP1 ISZERO PUSH2 0x1D2 JUMPI STOP JUMPDEST PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 PUSH1 0x0 MSTORE PUSH29 0x2000000000000000000000000000000000000000000000000000000000 PUSH1 0x20 MSTORE PUSH29 0xF5452414E534645525F4641494C454400000000000000000000000000 PUSH1 0x40 MSTORE PUSH1 0x0 PUSH1 0x60 MSTORE PUSH1 0x64 PUSH1 0x0 REVERT JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x254 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x276 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x44C JUMP JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x284 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x290 PUSH1 0x4 CALLDATALOAD PUSH2 0x638 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2C5 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x276 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x66D JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2F3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x290 PUSH2 0x966 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x308 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x276 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x982 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x339 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x342 PUSH2 0xD37 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x383 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x3A5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0xD6D JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3C5 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x3CE PUSH2 0xD82 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 DUP2 ADD SWAP2 MUL DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x40A JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x3F2 JUMP JUMPDEST POP POP POP POP SWAP1 POP ADD SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x42A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x276 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0xDF1 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x4D2 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x567 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x19 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x5441524745545F414C52454144595F415554484F52495A454400000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND DUP4 OR SWAP1 SSTORE PUSH1 0x2 DUP1 SLOAD SWAP3 DUP4 ADD DUP2 SSTORE DUP4 MSTORE PUSH32 0x405787FA12A823E0F2B7631CC41B3BA8828B3321CA811111FA75CD3AA3BB5ACE SWAP1 SWAP2 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND DUP5 OR SWAP1 SSTORE MLOAD CALLER SWAP3 SWAP2 PUSH32 0x3147867C59D17E8FA9D522465651D44AAE0A9E38F902F3475B97E58072F0ED4C SWAP2 LOG3 POP JUMP JUMPDEST PUSH1 0x2 DUP1 SLOAD DUP3 SWAP1 DUP2 LT PUSH2 0x646 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 POP DUP2 JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x6F4 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x78A JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x5441524745545F4E4F545F415554484F52495A45440000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE JUMPDEST PUSH1 0x2 SLOAD DUP2 LT ISZERO PUSH2 0x91F JUMPI DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x2 DUP3 DUP2 SLOAD DUP2 LT ISZERO ISZERO PUSH2 0x807 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO PUSH2 0x917 JUMPI PUSH1 0x2 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 ADD SWAP1 DUP2 LT PUSH2 0x85F JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH1 0x2 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND SWAP2 DUP4 SWAP1 DUP2 LT PUSH2 0x892 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP3 SWAP1 SWAP3 AND SWAP2 SWAP1 SWAP2 OR SWAP1 SSTORE PUSH1 0x2 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 PUSH2 0x911 SWAP1 DUP3 PUSH2 0xED7 JUMP JUMPDEST POP PUSH2 0x91F JUMP JUMPDEST PUSH1 0x1 ADD PUSH2 0x7D7 JUMP JUMPDEST PUSH1 0x40 MLOAD CALLER SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND SWAP1 PUSH32 0x1F32C1B084E2DE0713B8FB16BD46BB9DF710A3DBEAE2F3CA93AF46E016DCC6B0 SWAP1 PUSH1 0x0 SWAP1 LOG3 POP POP JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xA08 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO ISZERO PUSH2 0xA9E JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x5441524745545F4E4F545F415554484F52495A45440000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x2 SLOAD DUP2 LT PUSH2 0xB0E JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x494E4445585F4F55545F4F465F424F554E445300000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x2 DUP3 DUP2 SLOAD DUP2 LT ISZERO ISZERO PUSH2 0xB34 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ PUSH2 0xBC2 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1B PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x415554484F52495A45445F414444524553535F4D49534D415443480000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE PUSH1 0x2 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 ADD SWAP1 DUP2 LT PUSH2 0xC3D JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH1 0x2 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND SWAP2 DUP4 SWAP1 DUP2 LT PUSH2 0xC70 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP3 SWAP1 SWAP3 AND SWAP2 SWAP1 SWAP2 OR SWAP1 SSTORE PUSH1 0x2 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 PUSH2 0xCEF SWAP1 DUP3 PUSH2 0xED7 JUMP JUMPDEST POP PUSH1 0x40 MLOAD CALLER SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND SWAP1 PUSH32 0x1F32C1B084E2DE0713B8FB16BD46BB9DF710A3DBEAE2F3CA93AF46E016DCC6B0 SWAP1 PUSH1 0x0 SWAP1 LOG3 POP POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x4552433230546F6B656E28616464726573732900000000000000000000000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x13 ADD SWAP1 KECCAK256 JUMPDEST SWAP1 JUMP JUMPDEST PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x2 DUP1 SLOAD DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP1 SLOAD DUP1 ISZERO PUSH2 0xDE7 JUMPI PUSH1 0x20 MUL DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0xDBC JUMPI JUMPDEST POP POP POP POP POP SWAP1 POP SWAP1 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xE77 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0xED4 JUMPI PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND OR SWAP1 SSTORE JUMPDEST POP JUMP JUMPDEST DUP2 SLOAD DUP2 DUP4 SSTORE DUP2 DUP2 GT ISZERO PUSH2 0xEFB JUMPI PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x20 SWAP1 KECCAK256 PUSH2 0xEFB SWAP2 DUP2 ADD SWAP1 DUP4 ADD PUSH2 0xF00 JUMP JUMPDEST POP POP POP JUMP JUMPDEST PUSH2 0xD6A SWAP2 SWAP1 JUMPDEST DUP1 DUP3 GT ISZERO PUSH2 0xF1A JUMPI PUSH1 0x0 DUP2 SSTORE PUSH1 0x1 ADD PUSH2 0xF06 JUMP JUMPDEST POP SWAP1 JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 0xf6 0xb2 0xca 0xdd LOG0 0xbe SWAP12 0x47 RETURN PUSH31 0xD4A850B096E49B5E2E8BB7446D65481ADECF980824A0002900000000000000 ", - "sourceMap": 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- } - } - }, - "sources": { - "2.0.0/extensions/Forwarder/Forwarder.sol": { - "id": 0 - }, - "2.0.0/extensions/Forwarder/MixinAssets.sol": { - "id": 1 - }, - "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": { - "id": 2 - }, - "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": { - "id": 3 - }, - "2.0.0/extensions/Forwarder/MixinWeth.sol": { - "id": 4 - }, - "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": { - "id": 5 - }, - "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": { - "id": 6 - }, - "2.0.0/extensions/Forwarder/libs/LibConstants.sol": { - "id": 7 - }, - "2.0.0/extensions/Forwarder/mixins/MAssets.sol": { - "id": 8 - }, - "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": { - "id": 9 - }, - "2.0.0/extensions/Forwarder/mixins/MWeth.sol": { - "id": 10 - }, - "2.0.0/extensions/OrderValidator/OrderValidator.sol": { - "id": 11 - }, - "2.0.0/multisig/MultiSigWallet.sol": { - "id": 12 - }, - "2.0.0/multisig/MultiSigWalletWithTimeLock.sol": { - "id": 13 - }, - "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": { - "id": 14 - }, - "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": { - "id": 15 - }, - "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": { - "id": 16 - }, - "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": { - "id": 17 - }, - "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": { - "id": 18 - }, - "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": { - "id": 19 - }, - "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": { - "id": 20 - }, - "2.0.0/protocol/Exchange/Exchange.sol": { - "id": 21 - }, - "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": { - "id": 22 - }, - "2.0.0/protocol/Exchange/MixinExchangeCore.sol": { - "id": 23 - }, - "2.0.0/protocol/Exchange/MixinMatchOrders.sol": { - "id": 24 - }, - "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": { - "id": 25 - }, - "2.0.0/protocol/Exchange/MixinTransactions.sol": { - "id": 26 - }, - "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": { - "id": 27 - }, - "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": { - "id": 28 - }, - "2.0.0/protocol/Exchange/interfaces/IExchange.sol": { - "id": 29 - }, - "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": { - "id": 30 - }, - "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": { - "id": 31 - }, - "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": { - "id": 32 - }, - "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": { - "id": 33 - }, - "2.0.0/protocol/Exchange/interfaces/IValidator.sol": { - "id": 34 - }, - "2.0.0/protocol/Exchange/interfaces/IWallet.sol": { - "id": 35 - }, - "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": { - "id": 36 - }, - "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": { - "id": 37 - }, - "2.0.0/protocol/Exchange/libs/LibConstants.sol": { - "id": 38 - }, - "2.0.0/protocol/Exchange/libs/LibEIP712.sol": { - "id": 39 - }, - "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": { - "id": 40 - }, - "2.0.0/protocol/Exchange/libs/LibFillResults.sol": { - "id": 41 - }, - "2.0.0/protocol/Exchange/libs/LibMath.sol": { - "id": 42 - }, - "2.0.0/protocol/Exchange/libs/LibOrder.sol": { - "id": 43 - }, - "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": { - "id": 44 - }, - "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": { - "id": 45 - }, - "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": { - "id": 46 - }, - "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": { - "id": 47 - }, - "2.0.0/protocol/Exchange/mixins/MTransactions.sol": { - "id": 48 - }, - "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": { - "id": 49 - }, - "2.0.0/tokens/ERC20Token/IERC20Token.sol": { - "id": 50 - }, - "2.0.0/tokens/ERC721Token/IERC721Token.sol": { - "id": 51 - }, - "2.0.0/tokens/EtherToken/IEtherToken.sol": { - "id": 52 - }, - "2.0.0/utils/LibBytes/LibBytes.sol": { - "id": 53 - }, - "2.0.0/utils/Ownable/IOwnable.sol": { - "id": 54 - }, - "2.0.0/utils/Ownable/Ownable.sol": { - "id": 55 - }, - "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": { - "id": 56 - }, - "2.0.0/utils/SafeMath/SafeMath.sol": { - "id": 57 - } - }, - "sourceCodes": { - "2.0.0/extensions/Forwarder/Forwarder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinWeth.sol\";\nimport \"./MixinForwarderCore.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinAssets.sol\";\nimport \"./MixinExchangeWrapper.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Forwarder is\n LibConstants,\n MixinWeth,\n MixinAssets,\n MixinExchangeWrapper,\n MixinForwarderCore\n{\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n LibConstants(\n _exchange,\n _zrxAssetData,\n _wethAssetData\n )\n MixinForwarderCore()\n {}\n}\n", - "2.0.0/extensions/Forwarder/MixinAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MAssets.sol\";\n\n\ncontract MixinAssets is\n Ownable,\n LibConstants,\n MAssets\n{\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256(\"transfer(address,uint256)\"));\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external\n onlyOwner\n {\n transferAssetToSender(assetData, amount);\n }\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n bytes4 proxyId = assetData.readBytes4(0);\n\n if (proxyId == ERC20_DATA_ID) {\n transferERC20Token(assetData, amount);\n } else if (proxyId == ERC721_DATA_ID) {\n transferERC721Token(assetData, amount);\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n }\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n address token = assetData.readAddress(16);\n\n // Transfer tokens.\n // We do a raw call so we can check the success separate\n // from the return data.\n bool success = token.call(abi.encodeWithSelector(\n ERC20_TRANSFER_SELECTOR,\n msg.sender,\n amount\n ));\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n \n // Check return data.\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // value that evaluates to true.\n assembly {\n if returndatasize {\n success := 0\n if eq(returndatasize, 32) {\n // First 64 bytes of memory are reserved scratch space\n returndatacopy(0, 0, 32)\n success := mload(0)\n }\n }\n }\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n }\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n require(\n amount == 1,\n \"INVALID_AMOUNT\"\n );\n // Decode asset data.\n address token = assetData.readAddress(16);\n uint256 tokenId = assetData.readUint256(36);\n\n // Perform transfer.\n IERC721Token(token).transferFrom(\n address(this),\n msg.sender,\n tokenId\n );\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"../../protocol/Exchange/libs/LibAbiEncoder.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinExchangeWrapper is\n LibAbiEncoder,\n LibFillResults,\n LibMath,\n LibConstants,\n MExchangeWrapper\n{\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n address exchange = address(EXCHANGE);\n\n // Call `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := call(\n gas, // forward all gas\n exchange, // call address of Exchange contract\n 0, // transfer 0 wei\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of WETH to sell\n uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of WETH\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount;\n if (makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n\n require(\n makerAssetFilledAmount >= makerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n // Do nothing if zrxBuyAmount == 0\n if (zrxBuyAmount == 0) {\n return totalFillResults;\n }\n\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n uint256 zrxPurchased = 0;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // All of these are ZRX/WETH, so we can drop the respective assetData from calldata.\n orders[i].makerAssetData = zrxAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of ZRX to buy.\n uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased);\n\n // Convert the remaining amount of ZRX to buy into remaining amount\n // of WETH to sell, assuming entire amount can be sold in the current order.\n uint256 remainingWethSellAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees \n remainingZrxBuyAmount\n );\n\n // Attempt to sell the remaining amount of WETH.\n FillResults memory singleFillResult = fillOrderNoThrow(\n orders[i],\n safeAdd(remainingWethSellAmount, 1), // we add 1 wei to the fill amount to make up for rounding errors\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker.\n addFillResults(totalFillResults, singleFillResult);\n zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid);\n\n // Stop execution if the entire amount of ZRX has been bought.\n if (zrxPurchased >= zrxBuyAmount) {\n break;\n }\n }\n\n require(\n zrxPurchased >= zrxBuyAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\nimport \"./mixins/MAssets.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"./interfaces/IForwarderCore.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinForwarderCore is\n LibFillResults,\n LibMath,\n LibConstants,\n MWeth,\n MAssets,\n MExchangeWrapper,\n IForwarderCore\n{\n using LibBytes for bytes;\n\n /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf.\n constructor ()\n public\n {\n address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID);\n require(\n proxyAddress != address(0),\n \"UNREGISTERED_ASSET_PROXY\"\n );\n ETHER_TOKEN.approve(proxyAddress, MAX_UINT);\n ZRX_TOKEN.approve(proxyAddress, MAX_UINT);\n }\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 wethSellAmount;\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // Calculate amount of WETH that won't be spent on ETH fees.\n wethSellAmount = getPartialAmountFloor(\n PERCENTAGE_DENOMINATOR,\n safeAdd(PERCENTAGE_DENOMINATOR, feePercentage),\n msg.value\n );\n // Market sell available WETH.\n // ZRX fees are paid with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // 5% of WETH is reserved for filling feeOrders and paying feeRecipient.\n wethSellAmount = getPartialAmountFloor(\n MAX_WETH_FILL_PERCENTAGE,\n PERCENTAGE_DENOMINATOR,\n msg.value\n );\n // Market sell 95% of WETH.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // If the makerAsset is ZRX, it is not necessary to pay fees out of this\n // contracts's ZRX balance because fees are factored into the price of the order.\n orderFillResults = marketBuyExactZrxWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // Attemp to purchase desired amount of makerAsset.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketBuyExactAmountWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\n\n\ncontract MixinWeth is\n LibMath,\n LibConstants,\n MWeth\n{\n /// @dev Default payabale function, this allows us to withdraw WETH\n function ()\n public\n payable\n {\n require(\n msg.sender == address(ETHER_TOKEN),\n \"DEFAULT_FUNCTION_WETH_CONTRACT_ONLY\"\n );\n }\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal\n {\n require(\n msg.value > 0,\n \"INVALID_MSG_VALUE\"\n );\n ETHER_TOKEN.deposit.value(msg.value)();\n }\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal\n {\n // Ensure feePercentage is less than 5%.\n require(\n feePercentage <= MAX_FEE_PERCENTAGE,\n \"FEE_PERCENTAGE_TOO_LARGE\"\n );\n\n // Ensure that no extra WETH owned by this contract has been sold.\n uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx);\n require(\n wethSold <= msg.value,\n \"OVERSOLD_WETH\"\n );\n\n // Calculate amount of WETH that hasn't been sold.\n uint256 wethRemaining = safeSub(msg.value, wethSold);\n\n // Calculate ETH fee to pay to feeRecipient.\n uint256 ethFee = getPartialAmountFloor(\n feePercentage,\n PERCENTAGE_DENOMINATOR,\n wethSoldExcludingFeeOrders\n );\n\n // Ensure fee is less than amount of WETH remaining.\n require(\n ethFee <= wethRemaining,\n \"INSUFFICIENT_ETH_REMAINING\"\n );\n \n // Do nothing if no WETH remaining\n if (wethRemaining > 0) {\n // Convert remaining WETH to ETH\n ETHER_TOKEN.withdraw(wethRemaining);\n\n // Pay ETH to feeRecipient\n if (ethFee > 0) {\n feeRecipient.transfer(ethFee);\n }\n\n // Refund remaining ETH to msg.sender.\n uint256 ethRefund = safeSub(wethRemaining, ethFee);\n if (ethRefund > 0) {\n msg.sender.transfer(ethRefund);\n }\n }\n }\n}\n", - "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssets {\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external;\n}\n", - "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract IForwarderCore {\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n}\n", - "2.0.0/extensions/Forwarder/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/LibBytes/LibBytes.sol\";\nimport \"../../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../../tokens/EtherToken/IEtherToken.sol\";\nimport \"../../../tokens/ERC20Token/IERC20Token.sol\";\n\n\ncontract LibConstants {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n uint256 constant internal MAX_UINT = 2**256 - 1;\n uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; \n uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5%\n uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95%\n \n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n IEtherToken internal ETHER_TOKEN;\n IERC20Token internal ZRX_TOKEN;\n bytes internal ZRX_ASSET_DATA;\n bytes internal WETH_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n WETH_ASSET_DATA = _wethAssetData;\n\n address etherToken = _wethAssetData.readAddress(16);\n address zrxToken = _zrxAssetData.readAddress(16);\n ETHER_TOKEN = IEtherToken(etherToken);\n ZRX_TOKEN = IERC20Token(zrxToken);\n }\n}\n", - "2.0.0/extensions/Forwarder/mixins/MAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssets.sol\";\n\n\ncontract MAssets is\n IAssets\n{\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n}\n", - "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract MExchangeWrapper {\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n}\n", - "2.0.0/extensions/Forwarder/mixins/MWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract MWeth {\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal;\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal;\n}\n", - "2.0.0/extensions/OrderValidator/OrderValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract OrderValidator {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n struct TraderInfo {\n uint256 makerBalance; // Maker's balance of makerAsset\n uint256 makerAllowance; // Maker's allowance to corresponding AssetProxy\n uint256 takerBalance; // Taker's balance of takerAsset\n uint256 takerAllowance; // Taker's allowance to corresponding AssetProxy\n uint256 makerZrxBalance; // Maker's balance of ZRX\n uint256 makerZrxAllowance; // Maker's allowance of ZRX to ERC20Proxy\n uint256 takerZrxBalance; // Taker's balance of ZRX\n uint256 takerZrxAllowance; // Taker's allowance of ZRX to ERC20Proxy\n }\n\n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n bytes internal ZRX_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (address _exchange, bytes memory _zrxAssetData)\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n }\n\n /// @dev Fetches information for order and maker/taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return OrderInfo and TraderInfo instances for given order.\n function getOrderAndTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo, TraderInfo memory traderInfo)\n {\n orderInfo = EXCHANGE.getOrderInfo(order);\n traderInfo = getTraderInfo(order, takerAddress);\n return (orderInfo, traderInfo);\n }\n\n /// @dev Fetches information for all passed in orders and the makers/takers of each order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Arrays of OrderInfo and TraderInfo instances that correspond to each order.\n function getOrdersAndTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (LibOrder.OrderInfo[] memory ordersInfo, TraderInfo[] memory tradersInfo)\n {\n ordersInfo = EXCHANGE.getOrdersInfo(orders);\n tradersInfo = getTradersInfo(orders, takerAddresses);\n return (ordersInfo, tradersInfo);\n }\n\n /// @dev Fetches balance and allowances for maker and taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return Balances and allowances of maker and taker of order.\n function getTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (TraderInfo memory traderInfo)\n {\n (traderInfo.makerBalance, traderInfo.makerAllowance) = getBalanceAndAllowance(order.makerAddress, order.makerAssetData);\n (traderInfo.takerBalance, traderInfo.takerAllowance) = getBalanceAndAllowance(takerAddress, order.takerAssetData);\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n (traderInfo.makerZrxBalance, traderInfo.makerZrxAllowance) = getBalanceAndAllowance(order.makerAddress, zrxAssetData);\n (traderInfo.takerZrxBalance, traderInfo.takerZrxAllowance) = getBalanceAndAllowance(takerAddress, zrxAssetData);\n return traderInfo;\n }\n\n /// @dev Fetches balances and allowances of maker and taker for each provided order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Array of balances and allowances for maker and taker of each order.\n function getTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (TraderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n TraderInfo[] memory tradersInfo = new TraderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n tradersInfo[i] = getTraderInfo(orders[i], takerAddresses[i]);\n }\n return tradersInfo;\n }\n\n /// @dev Fetches token balances and allowances of an address to given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Encoded data that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balance of asset and allowance set to given proxy of asset.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalanceAndAllowance(address target, bytes memory assetData)\n public\n view\n returns (uint256 balance, uint256 allowance)\n {\n bytes4 assetProxyId = assetData.readBytes4(0);\n address token = assetData.readAddress(16);\n address assetProxy = EXCHANGE.getAssetProxy(assetProxyId);\n\n if (assetProxyId == ERC20_DATA_ID) {\n // Query balance\n balance = IERC20Token(token).balanceOf(target);\n\n // Query allowance\n allowance = IERC20Token(token).allowance(target, assetProxy);\n } else if (assetProxyId == ERC721_DATA_ID) {\n uint256 tokenId = assetData.readUint256(36);\n\n // Query owner of tokenId\n address owner = getERC721TokenOwner(token, tokenId);\n\n // Set balance to 1 if tokenId is owned by target\n balance = target == owner ? 1 : 0;\n\n // Check if ERC721Proxy is approved to spend tokenId\n bool isApproved = IERC721Token(token).isApprovedForAll(target, assetProxy) || IERC721Token(token).getApproved(tokenId) == assetProxy;\n \n // Set alowance to 1 if ERC721Proxy is approved to spend tokenId\n allowance = isApproved ? 1 : 0;\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n return (balance, allowance);\n }\n\n /// @dev Fetches token balances and allowances of an address for each given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Array of encoded byte arrays that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balances and allowances of assets.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalancesAndAllowances(address target, bytes[] memory assetData)\n public\n view\n returns (uint256[] memory, uint256[] memory)\n {\n uint256 length = assetData.length;\n uint256[] memory balances = new uint256[](length);\n uint256[] memory allowances = new uint256[](length);\n for (uint256 i = 0; i != length; i++) {\n (balances[i], allowances[i]) = getBalanceAndAllowance(target, assetData[i]);\n }\n return (balances, allowances);\n }\n\n /// @dev Calls `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token.\n /// @param token Address of ERC721 token.\n /// @param tokenId The identifier for the specific NFT.\n /// @return Owner of tokenId or null address if unowned.\n function getERC721TokenOwner(address token, uint256 tokenId)\n public\n view\n returns (address owner)\n {\n assembly {\n // load free memory pointer\n let cdStart := mload(64)\n\n // bytes4(keccak256(ownerOf(uint256))) = 0x6352211e\n mstore(cdStart, 0x6352211e00000000000000000000000000000000000000000000000000000000)\n mstore(add(cdStart, 4), tokenId)\n\n // staticcall `ownerOf(tokenId)`\n // `ownerOf` will revert if tokenId is not owned\n let success := staticcall(\n gas, // forward all gas\n token, // call token contract\n cdStart, // start of calldata\n 36, // length of input is 36 bytes\n cdStart, // write output over input\n 32 // size of output is 32 bytes\n )\n\n // Success implies that tokenId is owned\n // Copy owner from return data if successful\n if success {\n owner := mload(cdStart)\n } \n }\n\n // Owner initialized to address(0), no need to modify if call is unsuccessful\n return owner;\n }\n}\n", - "2.0.0/multisig/MultiSigWallet.sol": "// solhint-disable\npragma solidity ^0.4.15;\n\n\n/// @title Multisignature wallet - Allows multiple parties to agree on transactions before execution.\n/// @author Stefan George - \ncontract MultiSigWallet {\n\n /*\n * Events\n */\n event Confirmation(address indexed sender, uint indexed transactionId);\n event Revocation(address indexed sender, uint indexed transactionId);\n event Submission(uint indexed transactionId);\n event Execution(uint indexed transactionId);\n event ExecutionFailure(uint indexed transactionId);\n event Deposit(address indexed sender, uint value);\n event OwnerAddition(address indexed owner);\n event OwnerRemoval(address indexed owner);\n event RequirementChange(uint required);\n\n /*\n * Constants\n */\n uint constant public MAX_OWNER_COUNT = 50;\n\n /*\n * Storage\n */\n mapping (uint => Transaction) public transactions;\n mapping (uint => mapping (address => bool)) public confirmations;\n mapping (address => bool) public isOwner;\n address[] public owners;\n uint public required;\n uint public transactionCount;\n\n struct Transaction {\n address destination;\n uint value;\n bytes data;\n bool executed;\n }\n\n /*\n * Modifiers\n */\n modifier onlyWallet() {\n require(msg.sender == address(this));\n _;\n }\n\n modifier ownerDoesNotExist(address owner) {\n require(!isOwner[owner]);\n _;\n }\n\n modifier ownerExists(address owner) {\n require(isOwner[owner]);\n _;\n }\n\n modifier transactionExists(uint transactionId) {\n require(transactions[transactionId].destination != 0);\n _;\n }\n\n modifier confirmed(uint transactionId, address owner) {\n require(confirmations[transactionId][owner]);\n _;\n }\n\n modifier notConfirmed(uint transactionId, address owner) {\n require(!confirmations[transactionId][owner]);\n _;\n }\n\n modifier notExecuted(uint transactionId) {\n require(!transactions[transactionId].executed);\n _;\n }\n\n modifier notNull(address _address) {\n require(_address != 0);\n _;\n }\n\n modifier validRequirement(uint ownerCount, uint _required) {\n require(ownerCount <= MAX_OWNER_COUNT\n && _required <= ownerCount\n && _required != 0\n && ownerCount != 0);\n _;\n }\n\n /// @dev Fallback function allows to deposit ether.\n function()\n payable\n {\n if (msg.value > 0)\n Deposit(msg.sender, msg.value);\n }\n\n /*\n * Public functions\n */\n /// @dev Contract constructor sets initial owners and required number of confirmations.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n function MultiSigWallet(address[] _owners, uint _required)\n public\n validRequirement(_owners.length, _required)\n {\n for (uint i=0; i<_owners.length; i++) {\n require(!isOwner[_owners[i]] && _owners[i] != 0);\n isOwner[_owners[i]] = true;\n }\n owners = _owners;\n required = _required;\n }\n\n /// @dev Allows to add a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of new owner.\n function addOwner(address owner)\n public\n onlyWallet\n ownerDoesNotExist(owner)\n notNull(owner)\n validRequirement(owners.length + 1, required)\n {\n isOwner[owner] = true;\n owners.push(owner);\n OwnerAddition(owner);\n }\n\n /// @dev Allows to remove an owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner.\n function removeOwner(address owner)\n public\n onlyWallet\n ownerExists(owner)\n {\n isOwner[owner] = false;\n for (uint i=0; i owners.length)\n changeRequirement(owners.length);\n OwnerRemoval(owner);\n }\n\n /// @dev Allows to replace an owner with a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner to be replaced.\n /// @param newOwner Address of new owner.\n function replaceOwner(address owner, address newOwner)\n public\n onlyWallet\n ownerExists(owner)\n ownerDoesNotExist(newOwner)\n {\n for (uint i=0; i\n// solhint-disable not-rely-on-time\ncontract MultiSigWalletWithTimeLock is\n MultiSigWallet\n{\n event ConfirmationTimeSet(uint256 indexed transactionId, uint256 confirmationTime);\n event TimeLockChange(uint256 secondsTimeLocked);\n\n uint256 public secondsTimeLocked;\n\n mapping (uint256 => uint256) public confirmationTimes;\n\n modifier notFullyConfirmed(uint256 transactionId) {\n require(\n !isConfirmed(transactionId),\n \"TX_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier fullyConfirmed(uint256 transactionId) {\n require(\n isConfirmed(transactionId),\n \"TX_NOT_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier pastTimeLock(uint256 transactionId) {\n require(\n block.timestamp >= confirmationTimes[transactionId] + secondsTimeLocked,\n \"TIME_LOCK_INCOMPLETE\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations, and time lock.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] _owners,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWallet(_owners, _required)\n {\n secondsTimeLocked = _secondsTimeLocked;\n }\n\n /// @dev Changes the duration of the time lock for transactions.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n function changeTimeLock(uint256 _secondsTimeLocked)\n public\n onlyWallet\n {\n secondsTimeLocked = _secondsTimeLocked;\n emit TimeLockChange(_secondsTimeLocked);\n }\n\n /// @dev Allows an owner to confirm a transaction.\n /// @param transactionId Transaction ID.\n function confirmTransaction(uint256 transactionId)\n public\n ownerExists(msg.sender)\n transactionExists(transactionId)\n notConfirmed(transactionId, msg.sender)\n notFullyConfirmed(transactionId)\n {\n confirmations[transactionId][msg.sender] = true;\n emit Confirmation(msg.sender, transactionId);\n if (isConfirmed(transactionId)) {\n setConfirmationTime(transactionId, block.timestamp);\n }\n }\n\n /// @dev Allows anyone to execute a confirmed transaction.\n /// @param transactionId Transaction ID.\n function executeTransaction(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n pastTimeLock(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n\n /// @dev Sets the time of when a submission first passed.\n function setConfirmationTime(uint256 transactionId, uint256 confirmationTime)\n internal\n {\n confirmationTimes[transactionId] = confirmationTime;\n emit ConfirmationTimeSet(transactionId, confirmationTime);\n }\n}\n", - "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC20Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n \n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 1 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n\n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. amount |\n\n /////// Read token address from calldata ///////\n // * The token address is stored in `assetData`.\n //\n // * The \"offset to assetData\" is stored at offset 4 in the calldata (table 1).\n // [assetDataOffsetFromParams = calldataload(4)]\n //\n // * Notes that the \"offset to assetData\" is relative to the \"Params\" area of calldata;\n // add 4 bytes to account for the length of the \"Header\" area (table 1).\n // [assetDataOffsetFromHeader = assetDataOffsetFromParams + 4]\n //\n // * The \"token address\" is offset 32+4=36 bytes into \"assetData\" (tables 1 & 2).\n // [tokenOffset = assetDataOffsetFromHeader + 36 = calldataload(4) + 4 + 36]\n let token := calldataload(add(calldataload(4), 40))\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from`, `to` and `amount` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 96)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output over input\n 32 // output size should be 32 bytes\n )\n\n /////// Check return data. ///////\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // nonzero 32 bytes value.\n // So the transfer succeeded if the call succeeded and either\n // returned nothing, or returned a non-zero 32 byte value. \n success := and(success, or(\n iszero(returndatasize),\n and(\n eq(returndatasize, 32),\n gt(mload(0), 0)\n )\n ))\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", - "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC721Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 2 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n // | | 36 | | 2. tokenId |\n \n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. tokenId |\n\n // There exists only 1 of each token.\n // require(amount == 1, \"INVALID_AMOUNT\")\n if sub(calldataload(100), 1) {\n // Revert with `Error(\"INVALID_AMOUNT\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from` and `to` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 64)\n\n // Copy `tokenId` field from our own calldata to the new calldata.\n let assetDataOffset := calldataload(4)\n calldatacopy(68, add(assetDataOffset, 72), 32)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let token := calldataload(add(assetDataOffset, 40))\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output to null\n 0 // output size is 0 bytes\n )\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", - "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAuthorizable.sol\";\n\n\ncontract MixinAuthorizable is\n Ownable,\n MAuthorizable\n{\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized {\n require(\n authorized[msg.sender],\n \"SENDER_NOT_AUTHORIZED\"\n );\n _;\n }\n\n mapping (address => bool) public authorized;\n address[] public authorities;\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n !authorized[target],\n \"TARGET_ALREADY_AUTHORIZED\"\n );\n\n authorized[target] = true;\n authorities.push(target);\n emit AuthorizedAddressAdded(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n\n delete authorized[target];\n for (uint256 i = 0; i < authorities.length; i++) {\n if (authorities[i] == target) {\n authorities[i] = authorities[authorities.length - 1];\n authorities.length -= 1;\n break;\n }\n }\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n require(\n index < authorities.length,\n \"INDEX_OUT_OF_BOUNDS\"\n );\n require(\n authorities[index] == target,\n \"AUTHORIZED_ADDRESS_MISMATCH\"\n );\n\n delete authorized[target];\n authorities[index] = authorities[authorities.length - 1];\n authorities.length -= 1;\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory)\n {\n return authorities;\n }\n}\n", - "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IAuthorizable.sol\";\n\n\ncontract IAssetProxy is\n IAuthorizable\n{\n /// @dev Transfers assets. Either succeeds or throws.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n function transferFrom(\n bytes assetData,\n address from,\n address to,\n uint256 amount\n )\n external;\n \n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4);\n}\n", - "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/Ownable/IOwnable.sol\";\n\n\ncontract IAuthorizable is\n IOwnable\n{\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external;\n \n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory);\n}\n", - "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAuthorizable.sol\";\n\n\ncontract MAuthorizable is\n IAuthorizable\n{\n // Event logged when a new address is authorized.\n event AuthorizedAddressAdded(\n address indexed target,\n address indexed caller\n );\n\n // Event logged when a currently authorized address is unauthorized.\n event AuthorizedAddressRemoved(\n address indexed target,\n address indexed caller\n );\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized { revert(); _; }\n}\n", - "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../multisig/MultiSigWalletWithTimeLock.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract AssetProxyOwner is\n MultiSigWalletWithTimeLock\n{\n using LibBytes for bytes;\n\n event AssetProxyRegistration(address assetProxyContract, bool isRegistered);\n\n // Mapping of AssetProxy contract address =>\n // if this contract is allowed to call the AssetProxy's `removeAuthorizedAddressAtIndex` method without a time lock.\n mapping (address => bool) public isAssetProxyRegistered;\n\n bytes4 constant internal REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR = bytes4(keccak256(\"removeAuthorizedAddressAtIndex(address,uint256)\"));\n\n /// @dev Function will revert if the transaction does not call `removeAuthorizedAddressAtIndex`\n /// on an approved AssetProxy contract.\n modifier validRemoveAuthorizedAddressAtIndexTx(uint256 transactionId) {\n Transaction storage txn = transactions[transactionId];\n require(\n isAssetProxyRegistered[txn.destination],\n \"UNREGISTERED_ASSET_PROXY\"\n );\n require(\n txn.data.readBytes4(0) == REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR,\n \"INVALID_FUNCTION_SELECTOR\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations,\n /// time lock, and list of AssetProxy addresses.\n /// @param _owners List of initial owners.\n /// @param _assetProxyContracts Array of AssetProxy contract addresses.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] memory _owners,\n address[] memory _assetProxyContracts,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWalletWithTimeLock(_owners, _required, _secondsTimeLocked)\n {\n for (uint256 i = 0; i < _assetProxyContracts.length; i++) {\n address assetProxy = _assetProxyContracts[i];\n require(\n assetProxy != address(0),\n \"INVALID_ASSET_PROXY\"\n );\n isAssetProxyRegistered[assetProxy] = true;\n }\n }\n\n /// @dev Registers or deregisters an AssetProxy to be able to execute\n /// `removeAuthorizedAddressAtIndex` without a timelock.\n /// @param assetProxyContract Address of AssetProxy contract.\n /// @param isRegistered Status of approval for AssetProxy contract.\n function registerAssetProxy(address assetProxyContract, bool isRegistered)\n public\n onlyWallet\n notNull(assetProxyContract)\n {\n isAssetProxyRegistered[assetProxyContract] = isRegistered;\n emit AssetProxyRegistration(assetProxyContract, isRegistered);\n }\n\n /// @dev Allows execution of `removeAuthorizedAddressAtIndex` without time lock.\n /// @param transactionId Transaction ID.\n function executeRemoveAuthorizedAddressAtIndex(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n validRemoveAuthorizedAddressAtIndexTx(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n}\n", - "2.0.0/protocol/Exchange/Exchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinExchangeCore.sol\";\nimport \"./MixinSignatureValidator.sol\";\nimport \"./MixinWrapperFunctions.sol\";\nimport \"./MixinAssetProxyDispatcher.sol\";\nimport \"./MixinTransactions.sol\";\nimport \"./MixinMatchOrders.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Exchange is\n MixinExchangeCore,\n MixinMatchOrders,\n MixinSignatureValidator,\n MixinTransactions,\n MixinAssetProxyDispatcher,\n MixinWrapperFunctions\n{\n string constant public VERSION = \"2.0.0\";\n\n // Mixins are instantiated in the order they are inherited\n constructor ()\n public\n MixinExchangeCore()\n MixinMatchOrders()\n MixinSignatureValidator()\n MixinTransactions()\n MixinAssetProxyDispatcher()\n MixinWrapperFunctions()\n {}\n}\n", - "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\nimport \"../AssetProxy/interfaces/IAssetProxy.sol\";\n\n\ncontract MixinAssetProxyDispatcher is\n Ownable,\n MAssetProxyDispatcher\n{\n // Mapping from Asset Proxy Id's to their respective Asset Proxy\n mapping (bytes4 => IAssetProxy) public assetProxies;\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external\n onlyOwner\n {\n IAssetProxy assetProxyContract = IAssetProxy(assetProxy);\n\n // Ensure that no asset proxy exists with current id.\n bytes4 assetProxyId = assetProxyContract.getProxyId();\n address currentAssetProxy = assetProxies[assetProxyId];\n require(\n currentAssetProxy == address(0),\n \"ASSET_PROXY_ALREADY_EXISTS\"\n );\n\n // Add asset proxy and log registration.\n assetProxies[assetProxyId] = assetProxyContract;\n emit AssetProxyRegistered(\n assetProxyId,\n assetProxy\n );\n }\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address)\n {\n return assetProxies[assetProxyId];\n }\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal\n {\n // Do nothing if no amount should be transferred.\n if (amount > 0 && from != to) {\n // Ensure assetData length is valid\n require(\n assetData.length > 3,\n \"LENGTH_GREATER_THAN_3_REQUIRED\"\n );\n \n // Lookup assetProxy. We do not use `LibBytes.readBytes4` for gas efficiency reasons.\n bytes4 assetProxyId;\n assembly {\n assetProxyId := and(mload(\n add(assetData, 32)),\n 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000\n )\n }\n address assetProxy = assetProxies[assetProxyId];\n\n // Ensure that assetProxy exists\n require(\n assetProxy != address(0),\n \"ASSET_PROXY_DOES_NOT_EXIST\"\n );\n \n // We construct calldata for the `assetProxy.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n\n assembly {\n /////// Setup State ///////\n // `cdStart` is the start of the calldata for `assetProxy.transferFrom` (equal to free memory ptr).\n let cdStart := mload(64)\n // `dataAreaLength` is the total number of words needed to store `assetData`\n // As-per the ABI spec, this value is padded up to the nearest multiple of 32,\n // and includes 32-bytes for length.\n let dataAreaLength := and(add(mload(assetData), 63), 0xFFFFFFFFFFFE0)\n // `cdEnd` is the end of the calldata for `assetProxy.transferFrom`.\n let cdEnd := add(cdStart, add(132, dataAreaLength))\n\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFromSelector`.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes.\n // Notes:\n // 1. The offset to `assetData` is the length of the Params Area (128 bytes).\n // 2. A 20-byte mask is applied to addresses to zero-out the unused bytes.\n mstore(add(cdStart, 4), 128)\n mstore(add(cdStart, 36), and(from, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 68), and(to, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 100), amount)\n \n /////// Setup Data Area ///////\n // This area holds `assetData`.\n let dataArea := add(cdStart, 132)\n // solhint-disable-next-line no-empty-blocks\n for {} lt(dataArea, cdEnd) {} {\n mstore(dataArea, mload(assetData))\n dataArea := add(dataArea, 32)\n assetData := add(assetData, 32)\n }\n\n /////// Call `assetProxy.transferFrom` using the constructed calldata ///////\n let success := call(\n gas, // forward all gas\n assetProxy, // call address of asset proxy\n 0, // don't send any ETH\n cdStart, // pointer to start of input\n sub(cdEnd, cdStart), // length of input \n cdStart, // write output over input\n 512 // reserve 512 bytes for output\n )\n if iszero(success) {\n revert(cdStart, returndatasize())\n }\n }\n }\n }\n}\n", - "2.0.0/protocol/Exchange/MixinExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinExchangeCore is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n LibOrder,\n LibFillResults,\n MAssetProxyDispatcher,\n MExchangeCore,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of orderHash => amount of takerAsset already bought by maker\n mapping (bytes32 => uint256) public filled;\n\n // Mapping of orderHash => cancelled\n mapping (bytes32 => bool) public cancelled;\n\n // Mapping of makerAddress => senderAddress => lowest salt an order can have in order to be fillable\n // Orders with specified senderAddress and with a salt less than their epoch are considered cancelled\n mapping (address => mapping (address => uint256)) public orderEpoch;\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external\n nonReentrant\n {\n address makerAddress = getCurrentContextAddress();\n // If this function is called via `executeTransaction`, we only update the orderEpoch for the makerAddress/msg.sender combination.\n // This allows external filter contracts to add rules to how orders are cancelled via this function.\n address senderAddress = makerAddress == msg.sender ? address(0) : msg.sender;\n\n // orderEpoch is initialized to 0, so to cancelUpTo we need salt + 1\n uint256 newOrderEpoch = targetOrderEpoch + 1; \n uint256 oldOrderEpoch = orderEpoch[makerAddress][senderAddress];\n\n // Ensure orderEpoch is monotonically increasing\n require(\n newOrderEpoch > oldOrderEpoch, \n \"INVALID_NEW_ORDER_EPOCH\"\n );\n\n // Update orderEpoch\n orderEpoch[makerAddress][senderAddress] = newOrderEpoch;\n emit CancelUpTo(\n makerAddress,\n senderAddress,\n newOrderEpoch\n );\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrder(Order memory order)\n public\n nonReentrant\n {\n cancelOrderInternal(order);\n }\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(Order memory order)\n public\n view\n returns (OrderInfo memory orderInfo)\n {\n // Compute the order hash\n orderInfo.orderHash = getOrderHash(order);\n\n // Fetch filled amount\n orderInfo.orderTakerAssetFilledAmount = filled[orderInfo.orderHash];\n\n // If order.makerAssetAmount is zero, we also reject the order.\n // While the Exchange contract handles them correctly, they create\n // edge cases in the supporting infrastructure because they have\n // an 'infinite' price when computed by a simple division.\n if (order.makerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_MAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // If order.takerAssetAmount is zero, then the order will always\n // be considered filled because 0 == takerAssetAmount == orderTakerAssetFilledAmount\n // Instead of distinguishing between unfilled and filled zero taker\n // amount orders, we choose not to support them.\n if (order.takerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_TAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // Validate order availability\n if (orderInfo.orderTakerAssetFilledAmount >= order.takerAssetAmount) {\n orderInfo.orderStatus = uint8(OrderStatus.FULLY_FILLED);\n return orderInfo;\n }\n\n // Validate order expiration\n // solhint-disable-next-line not-rely-on-time\n if (block.timestamp >= order.expirationTimeSeconds) {\n orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);\n return orderInfo;\n }\n\n // Check if order has been cancelled\n if (cancelled[orderInfo.orderHash]) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n if (orderEpoch[order.makerAddress][order.senderAddress] > order.salt) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n\n // All other statuses are ruled out: order is Fillable\n orderInfo.orderStatus = uint8(OrderStatus.FILLABLE);\n return orderInfo;\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // Fetch order info\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Assert that the order is fillable by taker\n assertFillableOrder(\n order,\n orderInfo,\n takerAddress,\n signature\n );\n \n // Get amount of takerAsset to fill\n uint256 remainingTakerAssetAmount = safeSub(order.takerAssetAmount, orderInfo.orderTakerAssetFilledAmount);\n uint256 takerAssetFilledAmount = min256(takerAssetFillAmount, remainingTakerAssetAmount);\n\n // Validate context\n assertValidFill(\n order,\n orderInfo,\n takerAssetFillAmount,\n takerAssetFilledAmount,\n fillResults.makerAssetFilledAmount\n );\n\n // Compute proportional fill amounts\n fillResults = calculateFillResults(order, takerAssetFilledAmount);\n\n // Update exchange internal state\n updateFilledState(\n order,\n takerAddress,\n orderInfo.orderHash,\n orderInfo.orderTakerAssetFilledAmount,\n fillResults\n );\n \n // Settle order\n settleOrder(\n order,\n takerAddress,\n fillResults\n );\n\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrderInternal(Order memory order)\n internal\n {\n // Fetch current order status\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Validate context\n assertValidCancel(order, orderInfo);\n\n // Perform cancel\n updateCancelledState(order, orderInfo.orderHash);\n }\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n function updateFilledState(\n Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n FillResults memory fillResults\n )\n internal\n {\n // Update state\n filled[orderHash] = safeAdd(orderTakerAssetFilledAmount, fillResults.takerAssetFilledAmount);\n\n // Log order\n emit Fill(\n order.makerAddress,\n order.feeRecipientAddress,\n takerAddress,\n msg.sender,\n fillResults.makerAssetFilledAmount,\n fillResults.takerAssetFilledAmount,\n fillResults.makerFeePaid,\n fillResults.takerFeePaid,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n Order memory order,\n bytes32 orderHash\n )\n internal\n {\n // Perform cancel\n cancelled[orderHash] = true;\n\n // Log cancel\n emit Cancel(\n order.makerAddress,\n order.feeRecipientAddress,\n msg.sender,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n Order memory order,\n OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view\n {\n // An order can only be filled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n \n // Validate sender is allowed to fill this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n \n // Validate taker is allowed to fill this order\n if (order.takerAddress != address(0)) {\n require(\n order.takerAddress == takerAddress,\n \"INVALID_TAKER\"\n );\n }\n \n // Validate Maker signature (check only if first time seen)\n if (orderInfo.orderTakerAssetFilledAmount == 0) {\n require(\n isValidSignature(\n orderInfo.orderHash,\n order.makerAddress,\n signature\n ),\n \"INVALID_ORDER_SIGNATURE\"\n );\n }\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n Order memory order,\n OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount, // TODO: use FillResults\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view\n {\n // Revert if fill amount is invalid\n // TODO: reconsider necessity for v2.1\n require(\n takerAssetFillAmount != 0,\n \"INVALID_TAKER_AMOUNT\"\n );\n \n // Make sure taker does not pay more than desired amount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n takerAssetFilledAmount <= takerAssetFillAmount,\n \"TAKER_OVERPAY\"\n );\n \n // Make sure order is not overfilled\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeAdd(orderInfo.orderTakerAssetFilledAmount, takerAssetFilledAmount) <= order.takerAssetAmount,\n \"ORDER_OVERFILL\"\n );\n \n // Make sure order is filled at acceptable price.\n // The order has an implied price from the makers perspective:\n // order price = order.makerAssetAmount / order.takerAssetAmount\n // i.e. the number of makerAsset maker is paying per takerAsset. The\n // maker is guaranteed to get this price or a better (lower) one. The\n // actual price maker is getting in this fill is:\n // fill price = makerAssetFilledAmount / takerAssetFilledAmount\n // We need `fill price <= order price` for the fill to be fair to maker.\n // This amounts to:\n // makerAssetFilledAmount order.makerAssetAmount\n // ------------------------ <= -----------------------\n // takerAssetFilledAmount order.takerAssetAmount\n // or, equivalently:\n // makerAssetFilledAmount * order.takerAssetAmount <=\n // order.makerAssetAmount * takerAssetFilledAmount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeMul(makerAssetFilledAmount, order.takerAssetAmount)\n <= \n safeMul(order.makerAssetAmount, takerAssetFilledAmount),\n \"INVALID_FILL_PRICE\"\n );\n }\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n Order memory order,\n OrderInfo memory orderInfo\n )\n internal\n view\n {\n // Ensure order is valid\n // An order can only be cancelled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Validate sender is allowed to cancel this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate transaction signed by maker\n address makerAddress = getCurrentContextAddress();\n require(\n order.makerAddress == makerAddress,\n \"INVALID_MAKER\"\n );\n }\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (FillResults memory fillResults)\n {\n // Compute proportional transfer amounts\n fillResults.takerAssetFilledAmount = takerAssetFilledAmount;\n fillResults.makerAssetFilledAmount = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n );\n fillResults.makerFeePaid = safeGetPartialAmountFloor(\n fillResults.makerAssetFilledAmount,\n order.makerAssetAmount,\n order.makerFee\n );\n fillResults.takerFeePaid = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.takerFee\n );\n\n return fillResults;\n }\n\n /// @dev Settles an order by transferring assets between counterparties.\n /// @param order Order struct containing order specifications.\n /// @param takerAddress Address selling takerAsset and buying makerAsset.\n /// @param fillResults Amounts to be filled and fees paid by maker and taker.\n function settleOrder(\n LibOrder.Order memory order,\n address takerAddress,\n LibFillResults.FillResults memory fillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n dispatchTransferFrom(\n order.makerAssetData,\n order.makerAddress,\n takerAddress,\n fillResults.makerAssetFilledAmount\n );\n dispatchTransferFrom(\n order.takerAssetData,\n takerAddress,\n order.makerAddress,\n fillResults.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n zrxAssetData,\n order.makerAddress,\n order.feeRecipientAddress,\n fillResults.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n order.feeRecipientAddress,\n fillResults.takerFeePaid\n );\n }\n}\n", - "2.0.0/protocol/Exchange/MixinMatchOrders.sol": "/*\n Copyright 2018 ZeroEx Intl.\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n http://www.apache.org/licenses/LICENSE-2.0\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MMatchOrders.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinMatchOrders is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n MAssetProxyDispatcher,\n MExchangeCore,\n MMatchOrders,\n MTransactions\n{\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n nonReentrant\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We assume that rightOrder.takerAssetData == leftOrder.makerAssetData and rightOrder.makerAssetData == leftOrder.takerAssetData.\n // If this assumption isn't true, the match will fail at signature validation.\n rightOrder.makerAssetData = leftOrder.takerAssetData;\n rightOrder.takerAssetData = leftOrder.makerAssetData;\n\n // Get left & right order info\n LibOrder.OrderInfo memory leftOrderInfo = getOrderInfo(leftOrder);\n LibOrder.OrderInfo memory rightOrderInfo = getOrderInfo(rightOrder);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Either our context is valid or we revert\n assertFillableOrder(\n leftOrder,\n leftOrderInfo,\n takerAddress,\n leftSignature\n );\n assertFillableOrder(\n rightOrder,\n rightOrderInfo,\n takerAddress,\n rightSignature\n );\n assertValidMatch(leftOrder, rightOrder);\n\n // Compute proportional fill amounts\n matchedFillResults = calculateMatchedFillResults(\n leftOrder,\n rightOrder,\n leftOrderInfo.orderTakerAssetFilledAmount,\n rightOrderInfo.orderTakerAssetFilledAmount\n );\n\n // Validate fill contexts\n assertValidFill(\n leftOrder,\n leftOrderInfo,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.makerAssetFilledAmount\n );\n assertValidFill(\n rightOrder,\n rightOrderInfo,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n \n // Update exchange state\n updateFilledState(\n leftOrder,\n takerAddress,\n leftOrderInfo.orderHash,\n leftOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.left\n );\n updateFilledState(\n rightOrder,\n takerAddress,\n rightOrderInfo.orderHash,\n rightOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.right\n );\n\n // Settle matched orders. Succeeds or throws.\n settleMatchedOrders(\n leftOrder,\n rightOrder,\n takerAddress,\n matchedFillResults\n );\n\n return matchedFillResults;\n }\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure\n {\n // Make sure there is a profitable spread.\n // There is a profitable spread iff the cost per unit bought (OrderA.MakerAmount/OrderA.TakerAmount) for each order is greater\n // than the profit per unit sold of the matched order (OrderB.TakerAmount/OrderB.MakerAmount).\n // This is satisfied by the equations below:\n // / >= / \n // AND\n // / >= / \n // These equations can be combined to get the following:\n require(\n safeMul(leftOrder.makerAssetAmount, rightOrder.makerAssetAmount) >=\n safeMul(leftOrder.takerAssetAmount, rightOrder.takerAssetAmount),\n \"NEGATIVE_SPREAD_REQUIRED\"\n );\n }\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // Derive maker asset amounts for left & right orders, given store taker assert amounts\n uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);\n uint256 leftMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n leftTakerAssetAmountRemaining\n );\n uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);\n uint256 rightMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n rightOrder.makerAssetAmount,\n rightOrder.takerAssetAmount,\n rightTakerAssetAmountRemaining\n );\n\n // Calculate fill results for maker and taker assets: at least one order will be fully filled.\n // The maximum amount the left maker can buy is `leftTakerAssetAmountRemaining`\n // The maximum amount the right maker can sell is `rightMakerAssetAmountRemaining`\n // We have two distinct cases for calculating the fill results:\n // Case 1.\n // If the left maker can buy more than the right maker can sell, then only the right order is fully filled.\n // If the left maker can buy exactly what the right maker can sell, then both orders are fully filled.\n // Case 2.\n // If the left maker cannot buy more than the right maker can sell, then only the left order is fully filled.\n if (leftTakerAssetAmountRemaining >= rightMakerAssetAmountRemaining) {\n // Case 1: Right order is fully filled\n matchedFillResults.right.makerAssetFilledAmount = rightMakerAssetAmountRemaining;\n matchedFillResults.right.takerAssetFilledAmount = rightTakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = matchedFillResults.right.makerAssetFilledAmount;\n // Round down to ensure the maker's exchange rate does not exceed the price specified by the order. \n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.left.makerAssetFilledAmount = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n matchedFillResults.left.takerAssetFilledAmount\n );\n } else {\n // Case 2: Left order is fully filled\n matchedFillResults.left.makerAssetFilledAmount = leftMakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = leftTakerAssetAmountRemaining;\n matchedFillResults.right.makerAssetFilledAmount = matchedFillResults.left.takerAssetFilledAmount;\n // Round up to ensure the maker's exchange rate does not exceed the price specified by the order.\n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.right.takerAssetFilledAmount = safeGetPartialAmountCeil(\n rightOrder.takerAssetAmount,\n rightOrder.makerAssetAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n }\n\n // Calculate amount given to taker\n matchedFillResults.leftMakerAssetSpreadAmount = safeSub(\n matchedFillResults.left.makerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount\n );\n\n // Compute fees for left order\n matchedFillResults.left.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.makerAssetFilledAmount,\n leftOrder.makerAssetAmount,\n leftOrder.makerFee\n );\n matchedFillResults.left.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.takerAssetFilledAmount,\n leftOrder.takerAssetAmount,\n leftOrder.takerFee\n );\n\n // Compute fees for right order\n matchedFillResults.right.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.makerAssetFilledAmount,\n rightOrder.makerAssetAmount,\n rightOrder.makerFee\n );\n matchedFillResults.right.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.takerAssetFilledAmount,\n rightOrder.takerAssetAmount,\n rightOrder.takerFee\n );\n\n // Return fill results\n return matchedFillResults;\n }\n\n /// @dev Settles matched order by transferring appropriate funds between order makers, taker, and fee recipient.\n /// @param leftOrder First matched order.\n /// @param rightOrder Second matched order.\n /// @param takerAddress Address that matched the orders. The taker receives the spread between orders as profit.\n /// @param matchedFillResults Struct holding amounts to transfer between makers, taker, and fee recipients.\n function settleMatchedOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n address takerAddress,\n LibFillResults.MatchedFillResults memory matchedFillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n // Order makers and taker\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n rightOrder.makerAddress,\n matchedFillResults.right.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n rightOrder.makerAssetData,\n rightOrder.makerAddress,\n leftOrder.makerAddress,\n matchedFillResults.left.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n takerAddress,\n matchedFillResults.leftMakerAssetSpreadAmount\n );\n\n // Maker fees\n dispatchTransferFrom(\n zrxAssetData,\n leftOrder.makerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n rightOrder.makerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.makerFeePaid\n );\n\n // Taker fees\n if (leftOrder.feeRecipientAddress == rightOrder.feeRecipientAddress) {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n safeAdd(\n matchedFillResults.left.takerFeePaid,\n matchedFillResults.right.takerFeePaid\n )\n );\n } else {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.takerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.takerFeePaid\n );\n }\n }\n}\n", - "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./interfaces/IWallet.sol\";\nimport \"./interfaces/IValidator.sol\";\n\n\ncontract MixinSignatureValidator is\n ReentrancyGuard,\n MSignatureValidator,\n MTransactions\n{\n using LibBytes for bytes;\n \n // Mapping of hash => signer => signed\n mapping (bytes32 => mapping (address => bool)) public preSigned;\n\n // Mapping of signer => validator => approved\n mapping (address => mapping (address => bool)) public allowedValidators;\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n {\n if (signerAddress != msg.sender) {\n require(\n isValidSignature(\n hash,\n signerAddress,\n signature\n ),\n \"INVALID_SIGNATURE\"\n );\n }\n preSigned[hash][signerAddress] = true;\n }\n\n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external\n nonReentrant\n {\n address signerAddress = getCurrentContextAddress();\n allowedValidators[signerAddress][validatorAddress] = approval;\n emit SignatureValidatorApproval(\n signerAddress,\n validatorAddress,\n approval\n );\n }\n\n /// @dev Verifies that a hash has been signed by the given signer.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid)\n {\n require(\n signature.length > 0,\n \"LENGTH_GREATER_THAN_0_REQUIRED\"\n );\n\n // Pop last byte off of signature byte array.\n uint8 signatureTypeRaw = uint8(signature.popLastByte());\n\n // Ensure signature is supported\n require(\n signatureTypeRaw < uint8(SignatureType.NSignatureTypes),\n \"SIGNATURE_UNSUPPORTED\"\n );\n\n SignatureType signatureType = SignatureType(signatureTypeRaw);\n\n // Variables are not scoped in Solidity.\n uint8 v;\n bytes32 r;\n bytes32 s;\n address recovered;\n\n // Always illegal signature.\n // This is always an implicit option since a signer can create a\n // signature array with invalid type or length. We may as well make\n // it an explicit option. This aids testing and analysis. It is\n // also the initialization value for the enum type.\n if (signatureType == SignatureType.Illegal) {\n revert(\"SIGNATURE_ILLEGAL\");\n\n // Always invalid signature.\n // Like Illegal, this is always implicitly available and therefore\n // offered explicitly. It can be implicitly created by providing\n // a correctly formatted but incorrect signature.\n } else if (signatureType == SignatureType.Invalid) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = false;\n return isValid;\n\n // Signature using EIP712\n } else if (signatureType == SignatureType.EIP712) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n hash,\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signed using web3.eth_sign\n } else if (signatureType == SignatureType.EthSign) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n32\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signature verified by wallet contract.\n // If used with an order, the maker of the order is the wallet contract.\n } else if (signatureType == SignatureType.Wallet) {\n isValid = isValidWalletSignature(\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signature verified by validator contract.\n // If used with an order, the maker of the order can still be an EOA.\n // A signature using this type should be encoded as:\n // | Offset | Length | Contents |\n // | 0x00 | x | Signature to validate |\n // | 0x00 + x | 20 | Address of validator contract |\n // | 0x14 + x | 1 | Signature type is always \"\\x06\" |\n } else if (signatureType == SignatureType.Validator) {\n // Pop last 20 bytes off of signature byte array.\n address validatorAddress = signature.popLast20Bytes();\n \n // Ensure signer has approved validator.\n if (!allowedValidators[signerAddress][validatorAddress]) {\n return false;\n }\n isValid = isValidValidatorSignature(\n validatorAddress,\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signer signed hash previously using the preSign function.\n } else if (signatureType == SignatureType.PreSigned) {\n isValid = preSigned[hash][signerAddress];\n return isValid;\n }\n\n // Anything else is illegal (We do not return false because\n // the signature may actually be valid, just not in a format\n // that we currently support. In this case returning false\n // may lead the caller to incorrectly believe that the\n // signature was invalid.)\n revert(\"SIGNATURE_UNSUPPORTED\");\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if signature is valid for given wallet..\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IWallet(walletAddress).isValidSignature.selector,\n hash,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n walletAddress, // address of Wallet contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"WALLET_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000c57414c4c45545f4552524f5200000000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IValidator(signerAddress).isValidSignature.selector,\n hash,\n signerAddress,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n validatorAddress, // address of Validator contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"VALIDATOR_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f56414c494441544f525f4552524f5200000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n}\n", - "2.0.0/protocol/Exchange/MixinTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"./libs/LibExchangeErrors.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./libs/LibEIP712.sol\";\n\n\ncontract MixinTransactions is\n LibEIP712,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of transaction hash => executed\n // This prevents transactions from being executed more than once.\n mapping (bytes32 => bool) public transactions;\n\n // Address of current transaction signer\n address public currentContextAddress;\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external\n {\n // Prevent reentrancy\n require(\n currentContextAddress == address(0),\n \"REENTRANCY_ILLEGAL\"\n );\n\n bytes32 transactionHash = hashEIP712Message(hashZeroExTransaction(\n salt,\n signerAddress,\n data\n ));\n\n // Validate transaction has not been executed\n require(\n !transactions[transactionHash],\n \"INVALID_TX_HASH\"\n );\n\n // Transaction always valid if signer is sender of transaction\n if (signerAddress != msg.sender) {\n // Validate signature\n require(\n isValidSignature(\n transactionHash,\n signerAddress,\n signature\n ),\n \"INVALID_TX_SIGNATURE\"\n );\n\n // Set the current transaction signer\n currentContextAddress = signerAddress;\n }\n\n // Execute transaction\n transactions[transactionHash] = true;\n require(\n address(this).delegatecall(data),\n \"FAILED_EXECUTION\"\n );\n\n // Reset current transaction signer if it was previously updated\n if (signerAddress != msg.sender) {\n currentContextAddress = address(0);\n }\n }\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;\n bytes32 dataHash = keccak256(data);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,\n // salt,\n // bytes32(signerAddress),\n // keccak256(data)\n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, schemaHash) // hash of schema\n mstore(add(memPtr, 32), salt) // salt\n mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff)) // signerAddress\n mstore(add(memPtr, 96), dataHash) // hash of data\n\n // Compute hash\n result := keccak256(memPtr, 128)\n }\n return result;\n }\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address)\n {\n address currentContextAddress_ = currentContextAddress;\n address contextAddress = currentContextAddress_ == address(0) ? msg.sender : currentContextAddress_;\n return contextAddress;\n }\n}\n", - "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibAbiEncoder.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MWrapperFunctions.sol\";\n\n\ncontract MixinWrapperFunctions is\n ReentrancyGuard,\n LibMath,\n LibFillResults,\n LibAbiEncoder,\n MExchangeCore,\n MWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrKillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n // Delegate to `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := delegatecall(\n gas, // forward all gas\n address, // call address of this contract\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrKillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n \n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public\n nonReentrant\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n cancelOrderInternal(orders[i]);\n }\n }\n\n /// @dev Fetches information for all passed in orders.\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n LibOrder.OrderInfo[] memory ordersInfo = new LibOrder.OrderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n ordersInfo[i] = getOrderInfo(orders[i]);\n }\n return ordersInfo;\n }\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n require(\n fillResults.takerAssetFilledAmount == takerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return fillResults;\n }\n}\n", - "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssetProxyDispatcher {\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external;\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IExchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./IExchangeCore.sol\";\nimport \"./IMatchOrders.sol\";\nimport \"./ISignatureValidator.sol\";\nimport \"./ITransactions.sol\";\nimport \"./IAssetProxyDispatcher.sol\";\nimport \"./IWrapperFunctions.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract IExchange is\n IExchangeCore,\n IMatchOrders,\n ISignatureValidator,\n ITransactions,\n IAssetProxyDispatcher,\n IWrapperFunctions\n{}\n", - "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IExchangeCore {\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external;\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrder(LibOrder.Order memory order)\n public;\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(LibOrder.Order memory order)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IMatchOrders {\n\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n}\n", - "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ISignatureValidator {\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external;\n \n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external;\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address of signer.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\n\ncontract ITransactions {\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external;\n}\n", - "2.0.0/protocol/Exchange/interfaces/IValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IValidator {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IWallet {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IWrapperFunctions {\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public;\n\n /// @dev Fetches information for all passed in orders\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory);\n}\n", - "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./LibOrder.sol\";\n\n\ncontract LibAbiEncoder {\n\n /// @dev ABI encodes calldata for `fillOrder`.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return ABI encoded calldata for `fillOrder`.\n function abiEncodeFillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n pure\n returns (bytes memory fillOrderCalldata)\n {\n // We need to call MExchangeCore.fillOrder using a delegatecall in\n // assembly so that we can intercept a call that throws. For this, we\n // need the input encoded in memory in the Ethereum ABIv2 format [1].\n\n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0x00 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 0x00 | | 1. offset to order (*) |\n // | | 0x20 | | 2. takerAssetFillAmount |\n // | | 0x40 | | 3. offset to signature (*) |\n // | Data | | 12 * 32 | order: |\n // | | 0x000 | | 1. senderAddress |\n // | | 0x020 | | 2. makerAddress |\n // | | 0x040 | | 3. takerAddress |\n // | | 0x060 | | 4. feeRecipientAddress |\n // | | 0x080 | | 5. makerAssetAmount |\n // | | 0x0A0 | | 6. takerAssetAmount |\n // | | 0x0C0 | | 7. makerFeeAmount |\n // | | 0x0E0 | | 8. takerFeeAmount |\n // | | 0x100 | | 9. expirationTimeSeconds |\n // | | 0x120 | | 10. salt |\n // | | 0x140 | | 11. Offset to makerAssetData (*) |\n // | | 0x160 | | 12. Offset to takerAssetData (*) |\n // | | 0x180 | 32 | makerAssetData Length |\n // | | 0x1A0 | ** | makerAssetData Contents |\n // | | 0x1C0 | 32 | takerAssetData Length |\n // | | 0x1E0 | ** | takerAssetData Contents |\n // | | 0x200 | 32 | signature Length |\n // | | 0x220 | ** | signature Contents |\n\n // * Offsets are calculated from the beginning of the current area: Header, Params, Data:\n // An offset stored in the Params area is calculated from the beginning of the Params section.\n // An offset stored in the Data area is calculated from the beginning of the Data section.\n\n // ** The length of dynamic array contents are stored in the field immediately preceeding the contents.\n\n // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html\n\n assembly {\n\n // Areas below may use the following variables:\n // 1. Start -- Start of this area in memory\n // 2. End -- End of this area in memory. This value may\n // be precomputed (before writing contents),\n // or it may be computed as contents are written.\n // 3. Offset -- Current offset into area. If an area's End\n // is precomputed, this variable tracks the\n // offsets of contents as they are written.\n\n /////// Setup Header Area ///////\n // Load free memory pointer\n fillOrderCalldata := mload(0x40)\n // bytes4(keccak256(\"fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)\"))\n // = 0xb4be83d5\n // Leave 0x20 bytes to store the length\n mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000)\n let headerAreaEnd := add(fillOrderCalldata, 0x24)\n\n /////// Setup Params Area ///////\n // This area is preallocated and written to later.\n // This is because we need to fill in offsets that have not yet been calculated.\n let paramsAreaStart := headerAreaEnd\n let paramsAreaEnd := add(paramsAreaStart, 0x60)\n let paramsAreaOffset := paramsAreaStart\n\n /////// Setup Data Area ///////\n let dataAreaStart := paramsAreaEnd\n let dataAreaEnd := dataAreaStart\n\n // Offset from the source data we're reading from\n let sourceOffset := order\n // arrayLenBytes and arrayLenWords track the length of a dynamically-allocated bytes array.\n let arrayLenBytes := 0\n let arrayLenWords := 0\n\n /////// Write order Struct ///////\n // Write memory location of Order, relative to the start of the\n // parameter list, then increment the paramsAreaOffset respectively.\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n // Write values for each field in the order\n // It would be nice to use a loop, but we save on gas by writing\n // the stores sequentially.\n mstore(dataAreaEnd, mload(sourceOffset)) // makerAddress\n mstore(add(dataAreaEnd, 0x20), mload(add(sourceOffset, 0x20))) // takerAddress\n mstore(add(dataAreaEnd, 0x40), mload(add(sourceOffset, 0x40))) // feeRecipientAddress\n mstore(add(dataAreaEnd, 0x60), mload(add(sourceOffset, 0x60))) // senderAddress\n mstore(add(dataAreaEnd, 0x80), mload(add(sourceOffset, 0x80))) // makerAssetAmount\n mstore(add(dataAreaEnd, 0xA0), mload(add(sourceOffset, 0xA0))) // takerAssetAmount\n mstore(add(dataAreaEnd, 0xC0), mload(add(sourceOffset, 0xC0))) // makerFeeAmount\n mstore(add(dataAreaEnd, 0xE0), mload(add(sourceOffset, 0xE0))) // takerFeeAmount\n mstore(add(dataAreaEnd, 0x100), mload(add(sourceOffset, 0x100))) // expirationTimeSeconds\n mstore(add(dataAreaEnd, 0x120), mload(add(sourceOffset, 0x120))) // salt\n mstore(add(dataAreaEnd, 0x140), mload(add(sourceOffset, 0x140))) // Offset to makerAssetData\n mstore(add(dataAreaEnd, 0x160), mload(add(sourceOffset, 0x160))) // Offset to takerAssetData\n dataAreaEnd := add(dataAreaEnd, 0x180)\n sourceOffset := add(sourceOffset, 0x180)\n\n // Write offset to \n mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x140)) // makerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Write offset to \n mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x160)) // takerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n /////// Write takerAssetFillAmount ///////\n mstore(paramsAreaOffset, takerAssetFillAmount)\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n /////// Write signature ///////\n // Write offset to paramsArea\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n\n // Calculate length of signature\n sourceOffset := signature\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of signature\n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of signature\n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Set length of calldata\n mstore(fillOrderCalldata, sub(dataAreaEnd, add(fillOrderCalldata, 0x20)))\n\n // Increment free memory pointer\n mstore(0x40, dataAreaEnd)\n }\n\n return fillOrderCalldata;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\n// solhint-disable max-line-length\ncontract LibConstants {\n \n // Asset data for ZRX token. Used for fee transfers.\n // @TODO: Hardcode constant when we deploy. Currently \n // not constant to make testing easier.\n\n // The proxyId for ZRX_ASSET_DATA is bytes4(keccak256(\"ERC20Token(address)\")) = 0xf47261b0\n \n // Kovan ZRX address is 0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570.\n // The ABI encoded proxyId and address is 0xf47261b00000000000000000000000006ff6c0ff1d68b964901f986d4c9fa3ac68346570\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x6f\\xf6\\xc0\\xff\\x1d\\x68\\xb9\\x64\\x90\\x1f\\x98\\x6d\\x4c\\x9f\\xa3\\xac\\x68\\x34\\x65\\x70\";\n \n // Mainnet ZRX address is 0xe41d2489571d322189246dafa5ebde1f4699f498.\n // The ABI encoded proxyId and address is 0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\n bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xe4\\x1d\\x24\\x89\\x57\\x1d\\x32\\x21\\x89\\x24\\x6d\\xaf\\xa5\\xeb\\xde\\x1f\\x46\\x99\\xf4\\x98\";\n}\n// solhint-enable max-line-length\n", - "2.0.0/protocol/Exchange/libs/LibEIP712.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract LibEIP712 {\n\n // EIP191 header for EIP712 prefix\n string constant internal EIP191_HEADER = \"\\x19\\x01\";\n\n // EIP712 Domain Name value\n string constant internal EIP712_DOMAIN_NAME = \"0x Protocol\";\n\n // EIP712 Domain Version value\n string constant internal EIP712_DOMAIN_VERSION = \"2\";\n\n // Hash of the EIP712 Domain Separator Schema\n bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"EIP712Domain(\",\n \"string name,\",\n \"string version,\",\n \"address verifyingContract\",\n \")\"\n ));\n\n // Hash of the EIP712 Domain Separator data\n // solhint-disable-next-line var-name-mixedcase\n bytes32 public EIP712_DOMAIN_HASH;\n\n constructor ()\n public\n {\n EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(\n EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,\n keccak256(bytes(EIP712_DOMAIN_NAME)),\n keccak256(bytes(EIP712_DOMAIN_VERSION)),\n bytes32(address(this))\n ));\n }\n\n /// @dev Calculates EIP712 encoding for a hash struct in this EIP712 Domain.\n /// @param hashStruct The EIP712 hash struct.\n /// @return EIP712 hash applied to this EIP712 Domain.\n function hashEIP712Message(bytes32 hashStruct)\n internal\n view\n returns (bytes32 result)\n {\n bytes32 eip712DomainHash = EIP712_DOMAIN_HASH;\n\n // Assembly for more efficient computing:\n // keccak256(abi.encodePacked(\n // EIP191_HEADER,\n // EIP712_DOMAIN_HASH,\n // hashStruct \n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, 0x1901000000000000000000000000000000000000000000000000000000000000) // EIP191 header\n mstore(add(memPtr, 2), eip712DomainHash) // EIP712 domain hash\n mstore(add(memPtr, 34), hashStruct) // Hash of struct\n\n // Compute hash\n result := keccak256(memPtr, 66)\n }\n return result;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity 0.4.24;\n\n\n/// @dev This contract documents the revert reasons used in the Exchange contract.\n/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons.\ncontract LibExchangeErrors {\n\n /// Order validation errors ///\n string constant ORDER_UNFILLABLE = \"ORDER_UNFILLABLE\"; // Order cannot be filled.\n string constant INVALID_MAKER = \"INVALID_MAKER\"; // Invalid makerAddress.\n string constant INVALID_TAKER = \"INVALID_TAKER\"; // Invalid takerAddress.\n string constant INVALID_SENDER = \"INVALID_SENDER\"; // Invalid `msg.sender`.\n string constant INVALID_ORDER_SIGNATURE = \"INVALID_ORDER_SIGNATURE\"; // Signature validation failed. \n \n /// fillOrder validation errors ///\n string constant INVALID_TAKER_AMOUNT = \"INVALID_TAKER_AMOUNT\"; // takerAssetFillAmount cannot equal 0.\n string constant ROUNDING_ERROR = \"ROUNDING_ERROR\"; // Rounding error greater than 0.1% of takerAssetFillAmount. \n \n /// Signature validation errors ///\n string constant INVALID_SIGNATURE = \"INVALID_SIGNATURE\"; // Signature validation failed. \n string constant SIGNATURE_ILLEGAL = \"SIGNATURE_ILLEGAL\"; // Signature type is illegal.\n string constant SIGNATURE_UNSUPPORTED = \"SIGNATURE_UNSUPPORTED\"; // Signature type unsupported.\n \n /// cancelOrdersUptTo errors ///\n string constant INVALID_NEW_ORDER_EPOCH = \"INVALID_NEW_ORDER_EPOCH\"; // Specified salt must be greater than or equal to existing orderEpoch.\n\n /// fillOrKillOrder errors ///\n string constant COMPLETE_FILL_FAILED = \"COMPLETE_FILL_FAILED\"; // Desired takerAssetFillAmount could not be completely filled. \n\n /// matchOrders errors ///\n string constant NEGATIVE_SPREAD_REQUIRED = \"NEGATIVE_SPREAD_REQUIRED\"; // Matched orders must have a negative spread.\n\n /// Transaction errors ///\n string constant REENTRANCY_ILLEGAL = \"REENTRANCY_ILLEGAL\"; // Recursive reentrancy is not allowed. \n string constant INVALID_TX_HASH = \"INVALID_TX_HASH\"; // Transaction has already been executed. \n string constant INVALID_TX_SIGNATURE = \"INVALID_TX_SIGNATURE\"; // Signature validation failed. \n string constant FAILED_EXECUTION = \"FAILED_EXECUTION\"; // Transaction execution failed. \n \n /// registerAssetProxy errors ///\n string constant ASSET_PROXY_ALREADY_EXISTS = \"ASSET_PROXY_ALREADY_EXISTS\"; // AssetProxy with same id already exists.\n\n /// dispatchTransferFrom errors ///\n string constant ASSET_PROXY_DOES_NOT_EXIST = \"ASSET_PROXY_DOES_NOT_EXIST\"; // No assetProxy registered at given id.\n string constant TRANSFER_FAILED = \"TRANSFER_FAILED\"; // Asset transfer unsuccesful.\n\n /// Length validation errors ///\n string constant LENGTH_GREATER_THAN_0_REQUIRED = \"LENGTH_GREATER_THAN_0_REQUIRED\"; // Byte array must have a length greater than 0.\n string constant LENGTH_GREATER_THAN_3_REQUIRED = \"LENGTH_GREATER_THAN_3_REQUIRED\"; // Byte array must have a length greater than 3.\n string constant LENGTH_0_REQUIRED = \"LENGTH_0_REQUIRED\"; // Byte array must have a length of 0.\n string constant LENGTH_65_REQUIRED = \"LENGTH_65_REQUIRED\"; // Byte array must have a length of 65.\n}\n", - "2.0.0/protocol/Exchange/libs/LibFillResults.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibFillResults is\n SafeMath\n{\n struct FillResults {\n uint256 makerAssetFilledAmount; // Total amount of makerAsset(s) filled.\n uint256 takerAssetFilledAmount; // Total amount of takerAsset(s) filled.\n uint256 makerFeePaid; // Total amount of ZRX paid by maker(s) to feeRecipient(s).\n uint256 takerFeePaid; // Total amount of ZRX paid by taker to feeRecipients(s).\n }\n\n struct MatchedFillResults {\n FillResults left; // Amounts filled and fees paid of left order.\n FillResults right; // Amounts filled and fees paid of right order.\n uint256 leftMakerAssetSpreadAmount; // Spread between price of left and right order, denominated in the left order's makerAsset, paid to taker.\n }\n\n /// @dev Adds properties of both FillResults instances.\n /// Modifies the first FillResults instance specified.\n /// @param totalFillResults Fill results instance that will be added onto.\n /// @param singleFillResults Fill results instance that will be added to totalFillResults.\n function addFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)\n internal\n pure\n {\n totalFillResults.makerAssetFilledAmount = safeAdd(totalFillResults.makerAssetFilledAmount, singleFillResults.makerAssetFilledAmount);\n totalFillResults.takerAssetFilledAmount = safeAdd(totalFillResults.takerAssetFilledAmount, singleFillResults.takerAssetFilledAmount);\n totalFillResults.makerFeePaid = safeAdd(totalFillResults.makerFeePaid, singleFillResults.makerFeePaid);\n totalFillResults.takerFeePaid = safeAdd(totalFillResults.takerFeePaid, singleFillResults.takerFeePaid);\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibMath.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibMath is\n SafeMath\n{\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function safeGetPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorFloor(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function safeGetPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorCeil(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function getPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function getPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // The absolute rounding error is the difference between the rounded\n // value and the ideal value. The relative rounding error is the\n // absolute rounding error divided by the absolute value of the\n // ideal value. This is undefined when the ideal value is zero.\n //\n // The ideal value is `numerator * target / denominator`.\n // Let's call `numerator * target % denominator` the remainder.\n // The absolute error is `remainder / denominator`.\n //\n // When the ideal value is zero, we require the absolute error to\n // be zero. Fortunately, this is always the case. The ideal value is\n // zero iff `numerator == 0` and/or `target == 0`. In this case the\n // remainder and absolute error are also zero. \n if (target == 0 || numerator == 0) {\n return false;\n }\n \n // Otherwise, we want the relative rounding error to be strictly\n // less than 0.1%.\n // The relative error is `remainder / (numerator * target)`.\n // We want the relative error less than 1 / 1000:\n // remainder / (numerator * denominator) < 1 / 1000\n // or equivalently:\n // 1000 * remainder < numerator * target\n // so we have a rounding error iff:\n // 1000 * remainder >= numerator * target\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding up.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // See the comments in `isRoundingError`.\n if (target == 0 || numerator == 0) {\n // When either is zero, the ideal value and rounded value are zero\n // and there is no rounding error. (Although the relative error\n // is undefined.)\n return false;\n }\n // Compute remainder as before\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n remainder = safeSub(denominator, remainder) % denominator;\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibOrder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./LibEIP712.sol\";\n\n\ncontract LibOrder is\n LibEIP712\n{\n // Hash for the EIP712 Order Schema\n bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"Order(\",\n \"address makerAddress,\",\n \"address takerAddress,\",\n \"address feeRecipientAddress,\",\n \"address senderAddress,\",\n \"uint256 makerAssetAmount,\",\n \"uint256 takerAssetAmount,\",\n \"uint256 makerFee,\",\n \"uint256 takerFee,\",\n \"uint256 expirationTimeSeconds,\",\n \"uint256 salt,\",\n \"bytes makerAssetData,\",\n \"bytes takerAssetData\",\n \")\"\n ));\n\n // A valid order remains fillable until it is expired, fully filled, or cancelled.\n // An order's state is unaffected by external factors, like account balances.\n enum OrderStatus {\n INVALID, // Default value\n INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount\n INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount\n FILLABLE, // Order is fillable\n EXPIRED, // Order has already expired\n FULLY_FILLED, // Order is fully filled\n CANCELLED // Order has been cancelled\n }\n\n // solhint-disable max-line-length\n struct Order {\n address makerAddress; // Address that created the order. \n address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order. \n address feeRecipientAddress; // Address that will recieve fees when order is filled. \n address senderAddress; // Address that is allowed to call Exchange contract methods that affect this order. If set to 0, any address is allowed to call these methods.\n uint256 makerAssetAmount; // Amount of makerAsset being offered by maker. Must be greater than 0. \n uint256 takerAssetAmount; // Amount of takerAsset being bid on by maker. Must be greater than 0. \n uint256 makerFee; // Amount of ZRX paid to feeRecipient by maker when order is filled. If set to 0, no transfer of ZRX from maker to feeRecipient will be attempted.\n uint256 takerFee; // Amount of ZRX paid to feeRecipient by taker when order is filled. If set to 0, no transfer of ZRX from taker to feeRecipient will be attempted.\n uint256 expirationTimeSeconds; // Timestamp in seconds at which order expires. \n uint256 salt; // Arbitrary number to facilitate uniqueness of the order's hash. \n bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.\n bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.\n }\n // solhint-enable max-line-length\n\n struct OrderInfo {\n uint8 orderStatus; // Status that describes order's validity and fillability.\n bytes32 orderHash; // EIP712 hash of the order (see LibOrder.getOrderHash).\n uint256 orderTakerAssetFilledAmount; // Amount of order that has already been filled.\n }\n\n /// @dev Calculates Keccak-256 hash of the order.\n /// @param order The order structure.\n /// @return Keccak-256 EIP712 hash of the order.\n function getOrderHash(Order memory order)\n internal\n view\n returns (bytes32 orderHash)\n {\n orderHash = hashEIP712Message(hashOrder(order));\n return orderHash;\n }\n\n /// @dev Calculates EIP712 hash of the order.\n /// @param order The order structure.\n /// @return EIP712 hash of the order.\n function hashOrder(Order memory order)\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ORDER_SCHEMA_HASH;\n bytes32 makerAssetDataHash = keccak256(order.makerAssetData);\n bytes32 takerAssetDataHash = keccak256(order.takerAssetData);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ORDER_SCHEMA_HASH,\n // bytes32(order.makerAddress),\n // bytes32(order.takerAddress),\n // bytes32(order.feeRecipientAddress),\n // bytes32(order.senderAddress),\n // order.makerAssetAmount,\n // order.takerAssetAmount,\n // order.makerFee,\n // order.takerFee,\n // order.expirationTimeSeconds,\n // order.salt,\n // keccak256(order.makerAssetData),\n // keccak256(order.takerAssetData)\n // ));\n\n assembly {\n // Calculate memory addresses that will be swapped out before hashing\n let pos1 := sub(order, 32)\n let pos2 := add(order, 320)\n let pos3 := add(order, 352)\n\n // Backup\n let temp1 := mload(pos1)\n let temp2 := mload(pos2)\n let temp3 := mload(pos3)\n \n // Hash in place\n mstore(pos1, schemaHash)\n mstore(pos2, makerAssetDataHash)\n mstore(pos3, takerAssetDataHash)\n result := keccak256(pos1, 416)\n \n // Restore\n mstore(pos1, temp1)\n mstore(pos2, temp2)\n mstore(pos3, temp3)\n }\n return result;\n }\n}\n", - "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssetProxyDispatcher.sol\";\n\n\ncontract MAssetProxyDispatcher is\n IAssetProxyDispatcher\n{\n // Logs registration of new asset proxy\n event AssetProxyRegistered(\n bytes4 id, // Id of new registered AssetProxy.\n address assetProxy // Address of new registered AssetProxy.\n );\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal;\n}\n", - "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IExchangeCore.sol\";\n\n\ncontract MExchangeCore is\n IExchangeCore\n{\n // Fill event is emitted whenever an order is filled.\n event Fill(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that received fees.\n address takerAddress, // Address that filled the order.\n address senderAddress, // Address that called the Exchange contract (msg.sender).\n uint256 makerAssetFilledAmount, // Amount of makerAsset sold by maker and bought by taker. \n uint256 takerAssetFilledAmount, // Amount of takerAsset sold by taker and bought by maker.\n uint256 makerFeePaid, // Amount of ZRX paid to feeRecipient by maker.\n uint256 takerFeePaid, // Amount of ZRX paid to feeRecipient by taker.\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // Cancel event is emitted whenever an individual order is cancelled.\n event Cancel(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that would have recieved fees if order was filled. \n address senderAddress, // Address that called the Exchange contract (msg.sender).\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // CancelUpTo event is emitted whenever `cancelOrdersUpTo` is executed succesfully.\n event CancelUpTo(\n address indexed makerAddress, // Orders cancelled must have been created by this address.\n address indexed senderAddress, // Orders cancelled must have a `senderAddress` equal to this address.\n uint256 orderEpoch // Orders with specified makerAddress and senderAddress with a salt less than this value are considered cancelled.\n );\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrderInternal(LibOrder.Order memory order)\n internal;\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function updateFilledState(\n LibOrder.Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n LibFillResults.FillResults memory fillResults\n )\n internal;\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n LibOrder.Order memory order,\n bytes32 orderHash\n )\n internal;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo Status, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view;\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo\n )\n internal\n view;\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n LibOrder.Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.FillResults memory fillResults);\n\n}\n", - "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IMatchOrders.sol\";\n\n\ncontract MMatchOrders is\n IMatchOrders\n{\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure;\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n\n}\n", - "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/ISignatureValidator.sol\";\n\n\ncontract MSignatureValidator is\n ISignatureValidator\n{\n event SignatureValidatorApproval(\n address indexed signerAddress, // Address that approves or disapproves a contract to verify signatures.\n address indexed validatorAddress, // Address of signature validator contract.\n bool approved // Approval or disapproval of validator contract.\n );\n\n // Allowed signature types.\n enum SignatureType {\n Illegal, // 0x00, default value\n Invalid, // 0x01\n EIP712, // 0x02\n EthSign, // 0x03\n Wallet, // 0x04\n Validator, // 0x05\n PreSigned, // 0x06\n NSignatureTypes // 0x07, number of signature types. Always leave at end.\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/mixins/MTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"../interfaces/ITransactions.sol\";\n\n\ncontract MTransactions is\n ITransactions\n{\n // Hash for the EIP712 ZeroEx Transaction Schema\n bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"ZeroExTransaction(\",\n \"uint256 salt,\",\n \"address signerAddress,\",\n \"bytes data\",\n \")\"\n ));\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result);\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address);\n}\n", - "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IWrapperFunctions.sol\";\n\n\ncontract MWrapperFunctions is \n IWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n}\n", - "2.0.0/tokens/ERC20Token/IERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n \n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n \n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", - "2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Token {\n\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(\n address indexed _owner,\n address indexed _approved,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(\n address indexed _owner,\n address indexed _operator,\n bool _approved\n );\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// perator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external;\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public;\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address);\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) \n public\n view\n returns (address);\n \n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool);\n}\n", - "2.0.0/tokens/EtherToken/IEtherToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/IERC20Token.sol\";\n\n\ncontract IEtherToken is\n IERC20Token\n{\n function deposit()\n public\n payable;\n \n function withdraw(uint256 amount)\n public;\n}\n", - "2.0.0/utils/LibBytes/LibBytes.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\nlibrary LibBytes {\n\n using LibBytes for bytes;\n\n /// @dev Gets the memory address for a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of byte array. This\n /// points to the header of the byte array which contains\n /// the length.\n function rawAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := input\n }\n return memoryAddress;\n }\n \n /// @dev Gets the memory address for the contents of a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of the contents of the byte array.\n function contentAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := add(input, 32)\n }\n return memoryAddress;\n }\n\n /// @dev Copies `length` bytes from memory location `source` to `dest`.\n /// @param dest memory address to copy bytes to.\n /// @param source memory address to copy bytes from.\n /// @param length number of bytes to copy.\n function memCopy(\n uint256 dest,\n uint256 source,\n uint256 length\n )\n internal\n pure\n {\n if (length < 32) {\n // Handle a partial word by reading destination and masking\n // off the bits we are interested in.\n // This correctly handles overlap, zero lengths and source == dest\n assembly {\n let mask := sub(exp(256, sub(32, length)), 1)\n let s := and(mload(source), not(mask))\n let d := and(mload(dest), mask)\n mstore(dest, or(s, d))\n }\n } else {\n // Skip the O(length) loop when source == dest.\n if (source == dest) {\n return;\n }\n\n // For large copies we copy whole words at a time. The final\n // word is aligned to the end of the range (instead of after the\n // previous) to handle partial words. So a copy will look like this:\n //\n // ####\n // ####\n // ####\n // ####\n //\n // We handle overlap in the source and destination range by\n // changing the copying direction. This prevents us from\n // overwriting parts of source that we still need to copy.\n //\n // This correctly handles source == dest\n //\n if (source > dest) {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because it\n // is easier to compare with in the loop, and these\n // are also the addresses we need for copying the\n // last bytes.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the last 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the last bytes in\n // source already due to overlap.\n let last := mload(sEnd)\n\n // Copy whole words front to back\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} lt(source, sEnd) {} {\n mstore(dest, mload(source))\n source := add(source, 32)\n dest := add(dest, 32)\n }\n \n // Write the last 32 bytes\n mstore(dEnd, last)\n }\n } else {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because those\n // are the starting points when copying a word at the end.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the first 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the first bytes in\n // source already due to overlap.\n let first := mload(source)\n\n // Copy whole words back to front\n // We use a signed comparisson here to allow dEnd to become\n // negative (happens when source and dest < 32). Valid\n // addresses in local memory will never be larger than\n // 2**255, so they can be safely re-interpreted as signed.\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} slt(dest, dEnd) {} {\n mstore(dEnd, mload(sEnd))\n sEnd := sub(sEnd, 32)\n dEnd := sub(dEnd, 32)\n }\n \n // Write the first 32 bytes\n mstore(dest, first)\n }\n }\n }\n }\n\n /// @dev Returns a slices from a byte array.\n /// @param b The byte array to take a slice from.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n function slice(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure and copy contents\n result = new bytes(to - from);\n memCopy(\n result.contentAddress(),\n b.contentAddress() + from,\n result.length\n );\n return result;\n }\n \n /// @dev Returns a slice from a byte array without preserving the input.\n /// @param b The byte array to take a slice from. Will be destroyed in the process.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n /// @dev When `from == 0`, the original array will match the slice. In other cases its state will be corrupted.\n function sliceDestructive(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure around [from, to) in-place.\n assembly {\n result := add(b, from)\n mstore(result, sub(to, from))\n }\n return result;\n }\n\n /// @dev Pops the last byte off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The byte that was popped off.\n function popLastByte(bytes memory b)\n internal\n pure\n returns (bytes1 result)\n {\n require(\n b.length > 0,\n \"GREATER_THAN_ZERO_LENGTH_REQUIRED\"\n );\n\n // Store last byte.\n result = b[b.length - 1];\n\n assembly {\n // Decrement length of byte array.\n let newLen := sub(mload(b), 1)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Pops the last 20 bytes off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The 20 byte address that was popped off.\n function popLast20Bytes(bytes memory b)\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= 20,\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Store last 20 bytes.\n result = readAddress(b, b.length - 20);\n\n assembly {\n // Subtract 20 from byte array length.\n let newLen := sub(mload(b), 20)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Tests equality of two byte arrays.\n /// @param lhs First byte array to compare.\n /// @param rhs Second byte array to compare.\n /// @return True if arrays are the same. False otherwise.\n function equals(\n bytes memory lhs,\n bytes memory rhs\n )\n internal\n pure\n returns (bool equal)\n {\n // Keccak gas cost is 30 + numWords * 6. This is a cheap way to compare.\n // We early exit on unequal lengths, but keccak would also correctly\n // handle this.\n return lhs.length == rhs.length && keccak256(lhs) == keccak256(rhs);\n }\n\n /// @dev Reads an address from a position in a byte array.\n /// @param b Byte array containing an address.\n /// @param index Index in byte array of address.\n /// @return address from byte array.\n function readAddress(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Read address from array memory\n assembly {\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 20-byte mask to obtain address\n result := and(mload(add(b, index)), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n return result;\n }\n\n /// @dev Writes an address into a specific position in a byte array.\n /// @param b Byte array to insert address into.\n /// @param index Index in byte array of address.\n /// @param input Address to put into byte array.\n function writeAddress(\n bytes memory b,\n uint256 index,\n address input\n )\n internal\n pure\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Store address into array memory\n assembly {\n // The address occupies 20 bytes and mstore stores 32 bytes.\n // First fetch the 32-byte word where we'll be storing the address, then\n // apply a mask so we have only the bytes in the word that the address will not occupy.\n // Then combine these bytes with the address and store the 32 bytes back to memory with mstore.\n\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 12-byte mask to obtain extra bytes occupying word of memory where we'll store the address\n let neighbors := and(\n mload(add(b, index)),\n 0xffffffffffffffffffffffff0000000000000000000000000000000000000000\n )\n \n // Make sure input address is clean.\n // (Solidity does not guarantee this)\n input := and(input, 0xffffffffffffffffffffffffffffffffffffffff)\n\n // Store the neighbors and address into memory\n mstore(add(b, index), xor(input, neighbors))\n }\n }\n\n /// @dev Reads a bytes32 value from a position in a byte array.\n /// @param b Byte array containing a bytes32 value.\n /// @param index Index in byte array of bytes32 value.\n /// @return bytes32 value from byte array.\n function readBytes32(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes32 result)\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n result := mload(add(b, index))\n }\n return result;\n }\n\n /// @dev Writes a bytes32 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes32 to put into byte array.\n function writeBytes32(\n bytes memory b,\n uint256 index,\n bytes32 input\n )\n internal\n pure\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n mstore(add(b, index), input)\n }\n }\n\n /// @dev Reads a uint256 value from a position in a byte array.\n /// @param b Byte array containing a uint256 value.\n /// @param index Index in byte array of uint256 value.\n /// @return uint256 value from byte array.\n function readUint256(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (uint256 result)\n {\n result = uint256(readBytes32(b, index));\n return result;\n }\n\n /// @dev Writes a uint256 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input uint256 to put into byte array.\n function writeUint256(\n bytes memory b,\n uint256 index,\n uint256 input\n )\n internal\n pure\n {\n writeBytes32(b, index, bytes32(input));\n }\n\n /// @dev Reads an unpadded bytes4 value from a position in a byte array.\n /// @param b Byte array containing a bytes4 value.\n /// @param index Index in byte array of bytes4 value.\n /// @return bytes4 value from byte array.\n function readBytes4(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes4 result)\n {\n require(\n b.length >= index + 4,\n \"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 32 byte length field\n index += 32;\n\n // Read the bytes4 from array memory\n assembly {\n result := mload(add(b, index))\n // Solidity does not require us to clean the trailing bytes.\n // We do it anyway\n result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)\n }\n return result;\n }\n\n /// @dev Reads nested bytes from a specific position.\n /// @dev NOTE: the returned value overlaps with the input value.\n /// Both should be treated as immutable.\n /// @param b Byte array containing nested bytes.\n /// @param index Index of nested bytes.\n /// @return result Nested bytes.\n function readBytesWithLength(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes memory result)\n {\n // Read length of nested bytes\n uint256 nestedBytesLength = readUint256(b, index);\n index += 32;\n\n // Assert length of is valid, given\n // length of nested bytes\n require(\n b.length >= index + nestedBytesLength,\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n \n // Return a pointer to the byte array as it exists inside `b`\n assembly {\n result := add(b, index)\n }\n return result;\n }\n\n /// @dev Inserts bytes at a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes to insert.\n function writeBytesWithLength(\n bytes memory b,\n uint256 index,\n bytes memory input\n )\n internal\n pure\n {\n // Assert length of is valid, given\n // length of input\n require(\n b.length >= index + 32 + input.length, // 32 bytes to store length\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n\n // Copy into \n memCopy(\n b.contentAddress() + index,\n input.rawAddress(), // includes length of \n input.length + 32 // +32 bytes to store length\n );\n }\n\n /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length.\n /// @param dest Byte array that will be overwritten with source bytes.\n /// @param source Byte array to copy onto dest bytes.\n function deepCopyBytes(\n bytes memory dest,\n bytes memory source\n )\n internal\n pure\n {\n uint256 sourceLen = source.length;\n // Dest length must be >= source length, or some bytes would not be copied.\n require(\n dest.length >= sourceLen,\n \"GREATER_OR_EQUAL_TO_SOURCE_BYTES_LENGTH_REQUIRED\"\n );\n memCopy(\n dest.contentAddress(),\n source.contentAddress(),\n sourceLen\n );\n }\n}\n", - "2.0.0/utils/Ownable/IOwnable.sol": "pragma solidity 0.4.24;\n\n\ncontract IOwnable {\n\n function transferOwnership(address newOwner)\n public;\n}\n", - "2.0.0/utils/Ownable/Ownable.sol": "pragma solidity 0.4.24;\n\nimport \"./IOwnable.sol\";\n\n\ncontract Ownable is\n IOwnable\n{\n address public owner;\n\n constructor ()\n public\n {\n owner = msg.sender;\n }\n\n modifier onlyOwner() {\n require(\n msg.sender == owner,\n \"ONLY_CONTRACT_OWNER\"\n );\n _;\n }\n\n function transferOwnership(address newOwner)\n public\n onlyOwner\n {\n if (newOwner != address(0)) {\n owner = newOwner;\n }\n }\n}\n", - "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ReentrancyGuard {\n\n // Locked state of mutex\n bool private locked = false;\n\n /// @dev Functions with this modifer cannot be reentered. The mutex will be locked\n /// before function execution and unlocked after.\n modifier nonReentrant() {\n // Ensure mutex is unlocked\n require(\n !locked,\n \"REENTRANCY_ILLEGAL\"\n );\n\n // Lock mutex before function call\n locked = true;\n\n // Perform function call\n _;\n\n // Unlock mutex after function call\n locked = false;\n }\n}\n", - "2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n\n function safeMul(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(\n c / a == b,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function safeDiv(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a / b;\n return c;\n }\n\n function safeSub(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n require(\n b <= a,\n \"UINT256_UNDERFLOW\"\n );\n return a - b;\n }\n\n function safeAdd(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a + b;\n require(\n c >= a,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function max64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n\n function max256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n}\n" - }, - "sourceTreeHashHex": "0x61b379850639517b46c6d60f6c12c18bf568c6d475f90938b2653446bd018009", - "compiler": { - "name": "solc", - "version": "soljson-v0.4.24+commit.e67f0147.js", - "settings": { - "optimizer": { - "enabled": true, - "runs": 1000000 - }, - "outputSelection": { - "*": { - "*": [ - "abi", - "evm.bytecode.object", - "evm.bytecode.sourceMap", - "evm.deployedBytecode.object", - "evm.deployedBytecode.sourceMap" - ] - } - } - } - }, - "networks": { - "1": { - "address": "0x2240dab907db71e64d3e0dba4800c83b5c502d4e", - "links": {}, - "constructorArgs": "[]" - }, - "3": { - "address": "0xb1408f4c245a23c31b98d2c626777d4c0d766caa", - "links": {}, - "constructorArgs": "[]" - }, - "42": { - "address": "0xf1ec01d6236d3cd881a0bf0130ea25fe4234003e", - "links": {}, - "constructorArgs": "[]" - }, - "50": { - "address": "0x1dc4c1cefef38a777b15aa20260a54e584b16c48", - "links": {}, - "constructorArgs": "[]" - } - } -} diff --git a/packages/migrations/artifacts/2.0.0-mainnet/ERC20Token.json b/packages/migrations/artifacts/2.0.0-mainnet/ERC20Token.json deleted file mode 100644 index 11ec4b57a..000000000 --- a/packages/migrations/artifacts/2.0.0-mainnet/ERC20Token.json +++ /dev/null @@ -1,486 +0,0 @@ -{ - "schemaVersion": "2.0.0", - "contractName": "ERC20Token", - "compilerOutput": { - "abi": [ - { - "constant": false, - "inputs": [ - { - "name": "_spender", - "type": "address" - }, - { - "name": "_value", - "type": "uint256" - } - ], - "name": "approve", - "outputs": [ - { - "name": "", - "type": "bool" - } - ], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": true, - "inputs": [], - "name": "totalSupply", - "outputs": [ - { - "name": "", - "type": "uint256" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "_from", - "type": "address" - }, - { - "name": "_to", - "type": "address" - }, - { - "name": "_value", - "type": "uint256" - } - ], - "name": "transferFrom", - "outputs": [ - { - "name": "", - "type": "bool" - } - ], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "_owner", - "type": "address" - } - ], - "name": "balanceOf", - "outputs": [ - { - "name": "", - "type": "uint256" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "_to", - "type": "address" - }, - { - "name": "_value", - "type": "uint256" - } - ], - "name": "transfer", - "outputs": [ - { - "name": "", - "type": "bool" - } - ], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "_owner", - "type": "address" - }, - { - "name": "_spender", - "type": "address" - } - ], - "name": "allowance", - "outputs": [ - { - "name": "", - "type": "uint256" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "anonymous": false, - "inputs": [ - { - "indexed": true, - "name": "_from", - "type": "address" - }, - { - "indexed": true, - "name": "_to", - "type": "address" - }, - { - "indexed": false, - "name": "_value", - "type": "uint256" - } - ], - "name": "Transfer", - "type": "event" - }, - { - "anonymous": false, - "inputs": [ - { - "indexed": true, - "name": "_owner", - "type": "address" - }, - { - "indexed": true, - "name": "_spender", - "type": "address" - }, - { - "indexed": false, - "name": "_value", - "type": "uint256" - } - ], - "name": "Approval", - "type": "event" - } - ], - "evm": { - "bytecode": { - "linkReferences": {}, - "object": 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SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP2 KECCAK256 SLOAD DUP3 GT ISZERO PUSH2 0x52D JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1A PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x45524332305F494E53554646494349454E545F42414C414E4345000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP3 DUP2 ADD LT ISZERO PUSH2 0x5C3 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT 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- } - } - }, - "sources": { - "2.0.0/extensions/Forwarder/Forwarder.sol": { - "id": 0 - }, - "2.0.0/extensions/Forwarder/MixinAssets.sol": { - "id": 1 - }, - "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": { - "id": 2 - }, - "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": { - "id": 3 - }, - "2.0.0/extensions/Forwarder/MixinWeth.sol": { - "id": 4 - }, - "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": { - "id": 5 - }, - "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": { - "id": 6 - }, - "2.0.0/extensions/Forwarder/libs/LibConstants.sol": { - "id": 7 - }, - "2.0.0/extensions/Forwarder/mixins/MAssets.sol": { - "id": 8 - }, - "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": { - "id": 9 - }, - "2.0.0/extensions/Forwarder/mixins/MWeth.sol": { - "id": 10 - }, - "2.0.0/extensions/OrderValidator/OrderValidator.sol": { - "id": 11 - }, - "2.0.0/multisig/MultiSigWallet.sol": { - "id": 12 - }, - "2.0.0/multisig/MultiSigWalletWithTimeLock.sol": { - "id": 13 - }, - "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": { - "id": 14 - }, - "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": { - "id": 15 - }, - "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": { - "id": 16 - }, - "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": { - "id": 17 - }, - "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": { - "id": 18 - }, - "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": { - "id": 19 - }, - "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": { - "id": 20 - }, - "2.0.0/protocol/Exchange/Exchange.sol": { - "id": 21 - }, - "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": { - "id": 22 - }, - "2.0.0/protocol/Exchange/MixinExchangeCore.sol": { - "id": 23 - }, - "2.0.0/protocol/Exchange/MixinMatchOrders.sol": { - "id": 24 - }, - "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": { - "id": 25 - }, - "2.0.0/protocol/Exchange/MixinTransactions.sol": { - "id": 26 - }, - "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": { - "id": 27 - }, - "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": { - "id": 28 - }, - "2.0.0/protocol/Exchange/interfaces/IExchange.sol": { - "id": 29 - }, - "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": { - "id": 30 - }, - "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": { - "id": 31 - }, - "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": { - "id": 32 - }, - "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": { - "id": 33 - }, - "2.0.0/protocol/Exchange/interfaces/IValidator.sol": { - "id": 34 - }, - "2.0.0/protocol/Exchange/interfaces/IWallet.sol": { - "id": 35 - }, - "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": { - "id": 36 - }, - "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": { - "id": 37 - }, - "2.0.0/protocol/Exchange/libs/LibConstants.sol": { - "id": 38 - }, - "2.0.0/protocol/Exchange/libs/LibEIP712.sol": { - "id": 39 - }, - "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": { - "id": 40 - }, - "2.0.0/protocol/Exchange/libs/LibFillResults.sol": { - "id": 41 - }, - "2.0.0/protocol/Exchange/libs/LibMath.sol": { - "id": 42 - }, - "2.0.0/protocol/Exchange/libs/LibOrder.sol": { - "id": 43 - }, - "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": { - "id": 44 - }, - "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": { - "id": 45 - }, - "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": { - "id": 46 - }, - "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": { - "id": 47 - }, - "2.0.0/protocol/Exchange/mixins/MTransactions.sol": { - "id": 48 - }, - "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": { - "id": 49 - }, - "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": { - "id": 50 - }, - "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": { - "id": 51 - }, - "2.0.0/tokens/ERC20Token/ERC20Token.sol": { - "id": 52 - }, - "2.0.0/tokens/ERC20Token/IERC20Token.sol": { - "id": 53 - }, - "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": { - "id": 54 - }, - "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": { - "id": 55 - }, - "2.0.0/tokens/ERC721Token/ERC721Token.sol": { - "id": 56 - }, - "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": { - "id": 57 - }, - "2.0.0/tokens/ERC721Token/IERC721Token.sol": { - "id": 58 - }, - "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": { - "id": 59 - }, - "2.0.0/tokens/EtherToken/IEtherToken.sol": { - "id": 60 - }, - "2.0.0/utils/LibBytes/LibBytes.sol": { - "id": 61 - }, - "2.0.0/utils/Ownable/IOwnable.sol": { - "id": 62 - }, - "2.0.0/utils/Ownable/Ownable.sol": { - "id": 63 - }, - "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": { - "id": 64 - }, - "2.0.0/utils/SafeMath/SafeMath.sol": { - "id": 65 - } - }, - "sourceCodes": { - "2.0.0/extensions/Forwarder/Forwarder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinWeth.sol\";\nimport \"./MixinForwarderCore.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinAssets.sol\";\nimport \"./MixinExchangeWrapper.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Forwarder is\n LibConstants,\n MixinWeth,\n MixinAssets,\n MixinExchangeWrapper,\n MixinForwarderCore\n{\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n LibConstants(\n _exchange,\n _zrxAssetData,\n _wethAssetData\n )\n MixinForwarderCore()\n {}\n}\n", - "2.0.0/extensions/Forwarder/MixinAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MAssets.sol\";\n\n\ncontract MixinAssets is\n Ownable,\n LibConstants,\n MAssets\n{\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256(\"transfer(address,uint256)\"));\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external\n onlyOwner\n {\n transferAssetToSender(assetData, amount);\n }\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n bytes4 proxyId = assetData.readBytes4(0);\n\n if (proxyId == ERC20_DATA_ID) {\n transferERC20Token(assetData, amount);\n } else if (proxyId == ERC721_DATA_ID) {\n transferERC721Token(assetData, amount);\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n }\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n address token = assetData.readAddress(16);\n\n // Transfer tokens.\n // We do a raw call so we can check the success separate\n // from the return data.\n bool success = token.call(abi.encodeWithSelector(\n ERC20_TRANSFER_SELECTOR,\n msg.sender,\n amount\n ));\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n \n // Check return data.\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // value that evaluates to true.\n assembly {\n if returndatasize {\n success := 0\n if eq(returndatasize, 32) {\n // First 64 bytes of memory are reserved scratch space\n returndatacopy(0, 0, 32)\n success := mload(0)\n }\n }\n }\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n }\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n require(\n amount == 1,\n \"INVALID_AMOUNT\"\n );\n // Decode asset data.\n address token = assetData.readAddress(16);\n uint256 tokenId = assetData.readUint256(36);\n\n // Perform transfer.\n IERC721Token(token).transferFrom(\n address(this),\n msg.sender,\n tokenId\n );\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"../../protocol/Exchange/libs/LibAbiEncoder.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinExchangeWrapper is\n LibAbiEncoder,\n LibFillResults,\n LibMath,\n LibConstants,\n MExchangeWrapper\n{\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n address exchange = address(EXCHANGE);\n\n // Call `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := call(\n gas, // forward all gas\n exchange, // call address of Exchange contract\n 0, // transfer 0 wei\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of WETH to sell\n uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of WETH\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount;\n if (makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n\n require(\n makerAssetFilledAmount >= makerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n // Do nothing if zrxBuyAmount == 0\n if (zrxBuyAmount == 0) {\n return totalFillResults;\n }\n\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n uint256 zrxPurchased = 0;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // All of these are ZRX/WETH, so we can drop the respective assetData from calldata.\n orders[i].makerAssetData = zrxAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of ZRX to buy.\n uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased);\n\n // Convert the remaining amount of ZRX to buy into remaining amount\n // of WETH to sell, assuming entire amount can be sold in the current order.\n uint256 remainingWethSellAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees \n remainingZrxBuyAmount\n );\n\n // Attempt to sell the remaining amount of WETH.\n FillResults memory singleFillResult = fillOrderNoThrow(\n orders[i],\n safeAdd(remainingWethSellAmount, 1), // we add 1 wei to the fill amount to make up for rounding errors\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker.\n addFillResults(totalFillResults, singleFillResult);\n zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid);\n\n // Stop execution if the entire amount of ZRX has been bought.\n if (zrxPurchased >= zrxBuyAmount) {\n break;\n }\n }\n\n require(\n zrxPurchased >= zrxBuyAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\nimport \"./mixins/MAssets.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"./interfaces/IForwarderCore.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinForwarderCore is\n LibFillResults,\n LibMath,\n LibConstants,\n MWeth,\n MAssets,\n MExchangeWrapper,\n IForwarderCore\n{\n using LibBytes for bytes;\n\n /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf.\n constructor ()\n public\n {\n address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID);\n require(\n proxyAddress != address(0),\n \"UNREGISTERED_ASSET_PROXY\"\n );\n ETHER_TOKEN.approve(proxyAddress, MAX_UINT);\n ZRX_TOKEN.approve(proxyAddress, MAX_UINT);\n }\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 wethSellAmount;\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // Calculate amount of WETH that won't be spent on ETH fees.\n wethSellAmount = getPartialAmountFloor(\n PERCENTAGE_DENOMINATOR,\n safeAdd(PERCENTAGE_DENOMINATOR, feePercentage),\n msg.value\n );\n // Market sell available WETH.\n // ZRX fees are paid with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // 5% of WETH is reserved for filling feeOrders and paying feeRecipient.\n wethSellAmount = getPartialAmountFloor(\n MAX_WETH_FILL_PERCENTAGE,\n PERCENTAGE_DENOMINATOR,\n msg.value\n );\n // Market sell 95% of WETH.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // If the makerAsset is ZRX, it is not necessary to pay fees out of this\n // contracts's ZRX balance because fees are factored into the price of the order.\n orderFillResults = marketBuyExactZrxWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // Attemp to purchase desired amount of makerAsset.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketBuyExactAmountWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\n\n\ncontract MixinWeth is\n LibMath,\n LibConstants,\n MWeth\n{\n /// @dev Default payabale function, this allows us to withdraw WETH\n function ()\n public\n payable\n {\n require(\n msg.sender == address(ETHER_TOKEN),\n \"DEFAULT_FUNCTION_WETH_CONTRACT_ONLY\"\n );\n }\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal\n {\n require(\n msg.value > 0,\n \"INVALID_MSG_VALUE\"\n );\n ETHER_TOKEN.deposit.value(msg.value)();\n }\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal\n {\n // Ensure feePercentage is less than 5%.\n require(\n feePercentage <= MAX_FEE_PERCENTAGE,\n \"FEE_PERCENTAGE_TOO_LARGE\"\n );\n\n // Ensure that no extra WETH owned by this contract has been sold.\n uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx);\n require(\n wethSold <= msg.value,\n \"OVERSOLD_WETH\"\n );\n\n // Calculate amount of WETH that hasn't been sold.\n uint256 wethRemaining = safeSub(msg.value, wethSold);\n\n // Calculate ETH fee to pay to feeRecipient.\n uint256 ethFee = getPartialAmountFloor(\n feePercentage,\n PERCENTAGE_DENOMINATOR,\n wethSoldExcludingFeeOrders\n );\n\n // Ensure fee is less than amount of WETH remaining.\n require(\n ethFee <= wethRemaining,\n \"INSUFFICIENT_ETH_REMAINING\"\n );\n \n // Do nothing if no WETH remaining\n if (wethRemaining > 0) {\n // Convert remaining WETH to ETH\n ETHER_TOKEN.withdraw(wethRemaining);\n\n // Pay ETH to feeRecipient\n if (ethFee > 0) {\n feeRecipient.transfer(ethFee);\n }\n\n // Refund remaining ETH to msg.sender.\n uint256 ethRefund = safeSub(wethRemaining, ethFee);\n if (ethRefund > 0) {\n msg.sender.transfer(ethRefund);\n }\n }\n }\n}\n", - "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssets {\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external;\n}\n", - "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract IForwarderCore {\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n}\n", - "2.0.0/extensions/Forwarder/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/LibBytes/LibBytes.sol\";\nimport \"../../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../../tokens/EtherToken/IEtherToken.sol\";\nimport \"../../../tokens/ERC20Token/IERC20Token.sol\";\n\n\ncontract LibConstants {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n uint256 constant internal MAX_UINT = 2**256 - 1;\n uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; \n uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5%\n uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95%\n \n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n IEtherToken internal ETHER_TOKEN;\n IERC20Token internal ZRX_TOKEN;\n bytes internal ZRX_ASSET_DATA;\n bytes internal WETH_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n WETH_ASSET_DATA = _wethAssetData;\n\n address etherToken = _wethAssetData.readAddress(16);\n address zrxToken = _zrxAssetData.readAddress(16);\n ETHER_TOKEN = IEtherToken(etherToken);\n ZRX_TOKEN = IERC20Token(zrxToken);\n }\n}\n", - "2.0.0/extensions/Forwarder/mixins/MAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssets.sol\";\n\n\ncontract MAssets is\n IAssets\n{\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n}\n", - "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract MExchangeWrapper {\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n}\n", - "2.0.0/extensions/Forwarder/mixins/MWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract MWeth {\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal;\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal;\n}\n", - "2.0.0/extensions/OrderValidator/OrderValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract OrderValidator {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n struct TraderInfo {\n uint256 makerBalance; // Maker's balance of makerAsset\n uint256 makerAllowance; // Maker's allowance to corresponding AssetProxy\n uint256 takerBalance; // Taker's balance of takerAsset\n uint256 takerAllowance; // Taker's allowance to corresponding AssetProxy\n uint256 makerZrxBalance; // Maker's balance of ZRX\n uint256 makerZrxAllowance; // Maker's allowance of ZRX to ERC20Proxy\n uint256 takerZrxBalance; // Taker's balance of ZRX\n uint256 takerZrxAllowance; // Taker's allowance of ZRX to ERC20Proxy\n }\n\n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n bytes internal ZRX_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (address _exchange, bytes memory _zrxAssetData)\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n }\n\n /// @dev Fetches information for order and maker/taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return OrderInfo and TraderInfo instances for given order.\n function getOrderAndTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo, TraderInfo memory traderInfo)\n {\n orderInfo = EXCHANGE.getOrderInfo(order);\n traderInfo = getTraderInfo(order, takerAddress);\n return (orderInfo, traderInfo);\n }\n\n /// @dev Fetches information for all passed in orders and the makers/takers of each order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Arrays of OrderInfo and TraderInfo instances that correspond to each order.\n function getOrdersAndTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (LibOrder.OrderInfo[] memory ordersInfo, TraderInfo[] memory tradersInfo)\n {\n ordersInfo = EXCHANGE.getOrdersInfo(orders);\n tradersInfo = getTradersInfo(orders, takerAddresses);\n return (ordersInfo, tradersInfo);\n }\n\n /// @dev Fetches balance and allowances for maker and taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return Balances and allowances of maker and taker of order.\n function getTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (TraderInfo memory traderInfo)\n {\n (traderInfo.makerBalance, traderInfo.makerAllowance) = getBalanceAndAllowance(order.makerAddress, order.makerAssetData);\n (traderInfo.takerBalance, traderInfo.takerAllowance) = getBalanceAndAllowance(takerAddress, order.takerAssetData);\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n (traderInfo.makerZrxBalance, traderInfo.makerZrxAllowance) = getBalanceAndAllowance(order.makerAddress, zrxAssetData);\n (traderInfo.takerZrxBalance, traderInfo.takerZrxAllowance) = getBalanceAndAllowance(takerAddress, zrxAssetData);\n return traderInfo;\n }\n\n /// @dev Fetches balances and allowances of maker and taker for each provided order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Array of balances and allowances for maker and taker of each order.\n function getTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (TraderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n TraderInfo[] memory tradersInfo = new TraderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n tradersInfo[i] = getTraderInfo(orders[i], takerAddresses[i]);\n }\n return tradersInfo;\n }\n\n /// @dev Fetches token balances and allowances of an address to given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Encoded data that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balance of asset and allowance set to given proxy of asset.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalanceAndAllowance(address target, bytes memory assetData)\n public\n view\n returns (uint256 balance, uint256 allowance)\n {\n bytes4 assetProxyId = assetData.readBytes4(0);\n address token = assetData.readAddress(16);\n address assetProxy = EXCHANGE.getAssetProxy(assetProxyId);\n\n if (assetProxyId == ERC20_DATA_ID) {\n // Query balance\n balance = IERC20Token(token).balanceOf(target);\n\n // Query allowance\n allowance = IERC20Token(token).allowance(target, assetProxy);\n } else if (assetProxyId == ERC721_DATA_ID) {\n uint256 tokenId = assetData.readUint256(36);\n\n // Query owner of tokenId\n address owner = getERC721TokenOwner(token, tokenId);\n\n // Set balance to 1 if tokenId is owned by target\n balance = target == owner ? 1 : 0;\n\n // Check if ERC721Proxy is approved to spend tokenId\n bool isApproved = IERC721Token(token).isApprovedForAll(target, assetProxy) || IERC721Token(token).getApproved(tokenId) == assetProxy;\n \n // Set alowance to 1 if ERC721Proxy is approved to spend tokenId\n allowance = isApproved ? 1 : 0;\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n return (balance, allowance);\n }\n\n /// @dev Fetches token balances and allowances of an address for each given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Array of encoded byte arrays that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balances and allowances of assets.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalancesAndAllowances(address target, bytes[] memory assetData)\n public\n view\n returns (uint256[] memory, uint256[] memory)\n {\n uint256 length = assetData.length;\n uint256[] memory balances = new uint256[](length);\n uint256[] memory allowances = new uint256[](length);\n for (uint256 i = 0; i != length; i++) {\n (balances[i], allowances[i]) = getBalanceAndAllowance(target, assetData[i]);\n }\n return (balances, allowances);\n }\n\n /// @dev Calls `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token.\n /// @param token Address of ERC721 token.\n /// @param tokenId The identifier for the specific NFT.\n /// @return Owner of tokenId or null address if unowned.\n function getERC721TokenOwner(address token, uint256 tokenId)\n public\n view\n returns (address owner)\n {\n assembly {\n // load free memory pointer\n let cdStart := mload(64)\n\n // bytes4(keccak256(ownerOf(uint256))) = 0x6352211e\n mstore(cdStart, 0x6352211e00000000000000000000000000000000000000000000000000000000)\n mstore(add(cdStart, 4), tokenId)\n\n // staticcall `ownerOf(tokenId)`\n // `ownerOf` will revert if tokenId is not owned\n let success := staticcall(\n gas, // forward all gas\n token, // call token contract\n cdStart, // start of calldata\n 36, // length of input is 36 bytes\n cdStart, // write output over input\n 32 // size of output is 32 bytes\n )\n\n // Success implies that tokenId is owned\n // Copy owner from return data if successful\n if success {\n owner := mload(cdStart)\n } \n }\n\n // Owner initialized to address(0), no need to modify if call is unsuccessful\n return owner;\n }\n}\n", - "2.0.0/multisig/MultiSigWallet.sol": "// solhint-disable\npragma solidity ^0.4.15;\n\n\n/// @title Multisignature wallet - Allows multiple parties to agree on transactions before execution.\n/// @author Stefan George - \ncontract MultiSigWallet {\n\n /*\n * Events\n */\n event Confirmation(address indexed sender, uint indexed transactionId);\n event Revocation(address indexed sender, uint indexed transactionId);\n event Submission(uint indexed transactionId);\n event Execution(uint indexed transactionId);\n event ExecutionFailure(uint indexed transactionId);\n event Deposit(address indexed sender, uint value);\n event OwnerAddition(address indexed owner);\n event OwnerRemoval(address indexed owner);\n event RequirementChange(uint required);\n\n /*\n * Constants\n */\n uint constant public MAX_OWNER_COUNT = 50;\n\n /*\n * Storage\n */\n mapping (uint => Transaction) public transactions;\n mapping (uint => mapping (address => bool)) public confirmations;\n mapping (address => bool) public isOwner;\n address[] public owners;\n uint public required;\n uint public transactionCount;\n\n struct Transaction {\n address destination;\n uint value;\n bytes data;\n bool executed;\n }\n\n /*\n * Modifiers\n */\n modifier onlyWallet() {\n require(msg.sender == address(this));\n _;\n }\n\n modifier ownerDoesNotExist(address owner) {\n require(!isOwner[owner]);\n _;\n }\n\n modifier ownerExists(address owner) {\n require(isOwner[owner]);\n _;\n }\n\n modifier transactionExists(uint transactionId) {\n require(transactions[transactionId].destination != 0);\n _;\n }\n\n modifier confirmed(uint transactionId, address owner) {\n require(confirmations[transactionId][owner]);\n _;\n }\n\n modifier notConfirmed(uint transactionId, address owner) {\n require(!confirmations[transactionId][owner]);\n _;\n }\n\n modifier notExecuted(uint transactionId) {\n require(!transactions[transactionId].executed);\n _;\n }\n\n modifier notNull(address _address) {\n require(_address != 0);\n _;\n }\n\n modifier validRequirement(uint ownerCount, uint _required) {\n require(ownerCount <= MAX_OWNER_COUNT\n && _required <= ownerCount\n && _required != 0\n && ownerCount != 0);\n _;\n }\n\n /// @dev Fallback function allows to deposit ether.\n function()\n payable\n {\n if (msg.value > 0)\n Deposit(msg.sender, msg.value);\n }\n\n /*\n * Public functions\n */\n /// @dev Contract constructor sets initial owners and required number of confirmations.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n function MultiSigWallet(address[] _owners, uint _required)\n public\n validRequirement(_owners.length, _required)\n {\n for (uint i=0; i<_owners.length; i++) {\n require(!isOwner[_owners[i]] && _owners[i] != 0);\n isOwner[_owners[i]] = true;\n }\n owners = _owners;\n required = _required;\n }\n\n /// @dev Allows to add a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of new owner.\n function addOwner(address owner)\n public\n onlyWallet\n ownerDoesNotExist(owner)\n notNull(owner)\n validRequirement(owners.length + 1, required)\n {\n isOwner[owner] = true;\n owners.push(owner);\n OwnerAddition(owner);\n }\n\n /// @dev Allows to remove an owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner.\n function removeOwner(address owner)\n public\n onlyWallet\n ownerExists(owner)\n {\n isOwner[owner] = false;\n for (uint i=0; i owners.length)\n changeRequirement(owners.length);\n OwnerRemoval(owner);\n }\n\n /// @dev Allows to replace an owner with a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner to be replaced.\n /// @param newOwner Address of new owner.\n function replaceOwner(address owner, address newOwner)\n public\n onlyWallet\n ownerExists(owner)\n ownerDoesNotExist(newOwner)\n {\n for (uint i=0; i\n// solhint-disable not-rely-on-time\ncontract MultiSigWalletWithTimeLock is\n MultiSigWallet\n{\n event ConfirmationTimeSet(uint256 indexed transactionId, uint256 confirmationTime);\n event TimeLockChange(uint256 secondsTimeLocked);\n\n uint256 public secondsTimeLocked;\n\n mapping (uint256 => uint256) public confirmationTimes;\n\n modifier notFullyConfirmed(uint256 transactionId) {\n require(\n !isConfirmed(transactionId),\n \"TX_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier fullyConfirmed(uint256 transactionId) {\n require(\n isConfirmed(transactionId),\n \"TX_NOT_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier pastTimeLock(uint256 transactionId) {\n require(\n block.timestamp >= confirmationTimes[transactionId] + secondsTimeLocked,\n \"TIME_LOCK_INCOMPLETE\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations, and time lock.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] _owners,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWallet(_owners, _required)\n {\n secondsTimeLocked = _secondsTimeLocked;\n }\n\n /// @dev Changes the duration of the time lock for transactions.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n function changeTimeLock(uint256 _secondsTimeLocked)\n public\n onlyWallet\n {\n secondsTimeLocked = _secondsTimeLocked;\n emit TimeLockChange(_secondsTimeLocked);\n }\n\n /// @dev Allows an owner to confirm a transaction.\n /// @param transactionId Transaction ID.\n function confirmTransaction(uint256 transactionId)\n public\n ownerExists(msg.sender)\n transactionExists(transactionId)\n notConfirmed(transactionId, msg.sender)\n notFullyConfirmed(transactionId)\n {\n confirmations[transactionId][msg.sender] = true;\n emit Confirmation(msg.sender, transactionId);\n if (isConfirmed(transactionId)) {\n setConfirmationTime(transactionId, block.timestamp);\n }\n }\n\n /// @dev Allows anyone to execute a confirmed transaction.\n /// @param transactionId Transaction ID.\n function executeTransaction(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n pastTimeLock(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n\n /// @dev Sets the time of when a submission first passed.\n function setConfirmationTime(uint256 transactionId, uint256 confirmationTime)\n internal\n {\n confirmationTimes[transactionId] = confirmationTime;\n emit ConfirmationTimeSet(transactionId, confirmationTime);\n }\n}\n", - "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC20Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n \n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 1 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n\n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. amount |\n\n /////// Read token address from calldata ///////\n // * The token address is stored in `assetData`.\n //\n // * The \"offset to assetData\" is stored at offset 4 in the calldata (table 1).\n // [assetDataOffsetFromParams = calldataload(4)]\n //\n // * Notes that the \"offset to assetData\" is relative to the \"Params\" area of calldata;\n // add 4 bytes to account for the length of the \"Header\" area (table 1).\n // [assetDataOffsetFromHeader = assetDataOffsetFromParams + 4]\n //\n // * The \"token address\" is offset 32+4=36 bytes into \"assetData\" (tables 1 & 2).\n // [tokenOffset = assetDataOffsetFromHeader + 36 = calldataload(4) + 4 + 36]\n let token := calldataload(add(calldataload(4), 40))\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from`, `to` and `amount` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 96)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output over input\n 32 // output size should be 32 bytes\n )\n\n /////// Check return data. ///////\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // nonzero 32 bytes value.\n // So the transfer succeeded if the call succeeded and either\n // returned nothing, or returned a non-zero 32 byte value. \n success := and(success, or(\n iszero(returndatasize),\n and(\n eq(returndatasize, 32),\n gt(mload(0), 0)\n )\n ))\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", - "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC721Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 2 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n // | | 36 | | 2. tokenId |\n \n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. tokenId |\n\n // There exists only 1 of each token.\n // require(amount == 1, \"INVALID_AMOUNT\")\n if sub(calldataload(100), 1) {\n // Revert with `Error(\"INVALID_AMOUNT\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from` and `to` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 64)\n\n // Copy `tokenId` field from our own calldata to the new calldata.\n let assetDataOffset := calldataload(4)\n calldatacopy(68, add(assetDataOffset, 72), 32)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let token := calldataload(add(assetDataOffset, 40))\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output to null\n 0 // output size is 0 bytes\n )\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", - "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAuthorizable.sol\";\n\n\ncontract MixinAuthorizable is\n Ownable,\n MAuthorizable\n{\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized {\n require(\n authorized[msg.sender],\n \"SENDER_NOT_AUTHORIZED\"\n );\n _;\n }\n\n mapping (address => bool) public authorized;\n address[] public authorities;\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n !authorized[target],\n \"TARGET_ALREADY_AUTHORIZED\"\n );\n\n authorized[target] = true;\n authorities.push(target);\n emit AuthorizedAddressAdded(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n\n delete authorized[target];\n for (uint256 i = 0; i < authorities.length; i++) {\n if (authorities[i] == target) {\n authorities[i] = authorities[authorities.length - 1];\n authorities.length -= 1;\n break;\n }\n }\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n require(\n index < authorities.length,\n \"INDEX_OUT_OF_BOUNDS\"\n );\n require(\n authorities[index] == target,\n \"AUTHORIZED_ADDRESS_MISMATCH\"\n );\n\n delete authorized[target];\n authorities[index] = authorities[authorities.length - 1];\n authorities.length -= 1;\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory)\n {\n return authorities;\n }\n}\n", - "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IAuthorizable.sol\";\n\n\ncontract IAssetProxy is\n IAuthorizable\n{\n /// @dev Transfers assets. Either succeeds or throws.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n function transferFrom(\n bytes assetData,\n address from,\n address to,\n uint256 amount\n )\n external;\n \n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4);\n}\n", - "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/Ownable/IOwnable.sol\";\n\n\ncontract IAuthorizable is\n IOwnable\n{\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external;\n \n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory);\n}\n", - "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAuthorizable.sol\";\n\n\ncontract MAuthorizable is\n IAuthorizable\n{\n // Event logged when a new address is authorized.\n event AuthorizedAddressAdded(\n address indexed target,\n address indexed caller\n );\n\n // Event logged when a currently authorized address is unauthorized.\n event AuthorizedAddressRemoved(\n address indexed target,\n address indexed caller\n );\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized { revert(); _; }\n}\n", - "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../multisig/MultiSigWalletWithTimeLock.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract AssetProxyOwner is\n MultiSigWalletWithTimeLock\n{\n using LibBytes for bytes;\n\n event AssetProxyRegistration(address assetProxyContract, bool isRegistered);\n\n // Mapping of AssetProxy contract address =>\n // if this contract is allowed to call the AssetProxy's `removeAuthorizedAddressAtIndex` method without a time lock.\n mapping (address => bool) public isAssetProxyRegistered;\n\n bytes4 constant internal REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR = bytes4(keccak256(\"removeAuthorizedAddressAtIndex(address,uint256)\"));\n\n /// @dev Function will revert if the transaction does not call `removeAuthorizedAddressAtIndex`\n /// on an approved AssetProxy contract.\n modifier validRemoveAuthorizedAddressAtIndexTx(uint256 transactionId) {\n Transaction storage txn = transactions[transactionId];\n require(\n isAssetProxyRegistered[txn.destination],\n \"UNREGISTERED_ASSET_PROXY\"\n );\n require(\n txn.data.readBytes4(0) == REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR,\n \"INVALID_FUNCTION_SELECTOR\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations,\n /// time lock, and list of AssetProxy addresses.\n /// @param _owners List of initial owners.\n /// @param _assetProxyContracts Array of AssetProxy contract addresses.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] memory _owners,\n address[] memory _assetProxyContracts,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWalletWithTimeLock(_owners, _required, _secondsTimeLocked)\n {\n for (uint256 i = 0; i < _assetProxyContracts.length; i++) {\n address assetProxy = _assetProxyContracts[i];\n require(\n assetProxy != address(0),\n \"INVALID_ASSET_PROXY\"\n );\n isAssetProxyRegistered[assetProxy] = true;\n }\n }\n\n /// @dev Registers or deregisters an AssetProxy to be able to execute\n /// `removeAuthorizedAddressAtIndex` without a timelock.\n /// @param assetProxyContract Address of AssetProxy contract.\n /// @param isRegistered Status of approval for AssetProxy contract.\n function registerAssetProxy(address assetProxyContract, bool isRegistered)\n public\n onlyWallet\n notNull(assetProxyContract)\n {\n isAssetProxyRegistered[assetProxyContract] = isRegistered;\n emit AssetProxyRegistration(assetProxyContract, isRegistered);\n }\n\n /// @dev Allows execution of `removeAuthorizedAddressAtIndex` without time lock.\n /// @param transactionId Transaction ID.\n function executeRemoveAuthorizedAddressAtIndex(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n validRemoveAuthorizedAddressAtIndexTx(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n}\n", - "2.0.0/protocol/Exchange/Exchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinExchangeCore.sol\";\nimport \"./MixinSignatureValidator.sol\";\nimport \"./MixinWrapperFunctions.sol\";\nimport \"./MixinAssetProxyDispatcher.sol\";\nimport \"./MixinTransactions.sol\";\nimport \"./MixinMatchOrders.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Exchange is\n MixinExchangeCore,\n MixinMatchOrders,\n MixinSignatureValidator,\n MixinTransactions,\n MixinAssetProxyDispatcher,\n MixinWrapperFunctions\n{\n string constant public VERSION = \"2.0.1-alpha\";\n\n // Mixins are instantiated in the order they are inherited\n constructor (bytes memory _zrxAssetData)\n public\n LibConstants(_zrxAssetData) // @TODO: Remove when we deploy.\n MixinExchangeCore()\n MixinMatchOrders()\n MixinSignatureValidator()\n MixinTransactions()\n MixinAssetProxyDispatcher()\n MixinWrapperFunctions()\n {}\n}\n", - "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\nimport \"../AssetProxy/interfaces/IAssetProxy.sol\";\n\n\ncontract MixinAssetProxyDispatcher is\n Ownable,\n MAssetProxyDispatcher\n{\n // Mapping from Asset Proxy Id's to their respective Asset Proxy\n mapping (bytes4 => IAssetProxy) public assetProxies;\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external\n onlyOwner\n {\n IAssetProxy assetProxyContract = IAssetProxy(assetProxy);\n\n // Ensure that no asset proxy exists with current id.\n bytes4 assetProxyId = assetProxyContract.getProxyId();\n address currentAssetProxy = assetProxies[assetProxyId];\n require(\n currentAssetProxy == address(0),\n \"ASSET_PROXY_ALREADY_EXISTS\"\n );\n\n // Add asset proxy and log registration.\n assetProxies[assetProxyId] = assetProxyContract;\n emit AssetProxyRegistered(\n assetProxyId,\n assetProxy\n );\n }\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address)\n {\n return assetProxies[assetProxyId];\n }\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal\n {\n // Do nothing if no amount should be transferred.\n if (amount > 0 && from != to) {\n // Ensure assetData length is valid\n require(\n assetData.length > 3,\n \"LENGTH_GREATER_THAN_3_REQUIRED\"\n );\n \n // Lookup assetProxy. We do not use `LibBytes.readBytes4` for gas efficiency reasons.\n bytes4 assetProxyId;\n assembly {\n assetProxyId := and(mload(\n add(assetData, 32)),\n 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000\n )\n }\n address assetProxy = assetProxies[assetProxyId];\n\n // Ensure that assetProxy exists\n require(\n assetProxy != address(0),\n \"ASSET_PROXY_DOES_NOT_EXIST\"\n );\n \n // We construct calldata for the `assetProxy.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n\n assembly {\n /////// Setup State ///////\n // `cdStart` is the start of the calldata for `assetProxy.transferFrom` (equal to free memory ptr).\n let cdStart := mload(64)\n // `dataAreaLength` is the total number of words needed to store `assetData`\n // As-per the ABI spec, this value is padded up to the nearest multiple of 32,\n // and includes 32-bytes for length.\n let dataAreaLength := and(add(mload(assetData), 63), 0xFFFFFFFFFFFE0)\n // `cdEnd` is the end of the calldata for `assetProxy.transferFrom`.\n let cdEnd := add(cdStart, add(132, dataAreaLength))\n\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFromSelector`.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes.\n // Notes:\n // 1. The offset to `assetData` is the length of the Params Area (128 bytes).\n // 2. A 20-byte mask is applied to addresses to zero-out the unused bytes.\n mstore(add(cdStart, 4), 128)\n mstore(add(cdStart, 36), and(from, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 68), and(to, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 100), amount)\n \n /////// Setup Data Area ///////\n // This area holds `assetData`.\n let dataArea := add(cdStart, 132)\n // solhint-disable-next-line no-empty-blocks\n for {} lt(dataArea, cdEnd) {} {\n mstore(dataArea, mload(assetData))\n dataArea := add(dataArea, 32)\n assetData := add(assetData, 32)\n }\n\n /////// Call `assetProxy.transferFrom` using the constructed calldata ///////\n let success := call(\n gas, // forward all gas\n assetProxy, // call address of asset proxy\n 0, // don't send any ETH\n cdStart, // pointer to start of input\n sub(cdEnd, cdStart), // length of input \n cdStart, // write output over input\n 512 // reserve 512 bytes for output\n )\n if iszero(success) {\n revert(cdStart, returndatasize())\n }\n }\n }\n }\n}\n", - "2.0.0/protocol/Exchange/MixinExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinExchangeCore is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n LibOrder,\n LibFillResults,\n MAssetProxyDispatcher,\n MExchangeCore,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of orderHash => amount of takerAsset already bought by maker\n mapping (bytes32 => uint256) public filled;\n\n // Mapping of orderHash => cancelled\n mapping (bytes32 => bool) public cancelled;\n\n // Mapping of makerAddress => senderAddress => lowest salt an order can have in order to be fillable\n // Orders with specified senderAddress and with a salt less than their epoch are considered cancelled\n mapping (address => mapping (address => uint256)) public orderEpoch;\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external\n nonReentrant\n {\n address makerAddress = getCurrentContextAddress();\n // If this function is called via `executeTransaction`, we only update the orderEpoch for the makerAddress/msg.sender combination.\n // This allows external filter contracts to add rules to how orders are cancelled via this function.\n address senderAddress = makerAddress == msg.sender ? address(0) : msg.sender;\n\n // orderEpoch is initialized to 0, so to cancelUpTo we need salt + 1\n uint256 newOrderEpoch = targetOrderEpoch + 1; \n uint256 oldOrderEpoch = orderEpoch[makerAddress][senderAddress];\n\n // Ensure orderEpoch is monotonically increasing\n require(\n newOrderEpoch > oldOrderEpoch, \n \"INVALID_NEW_ORDER_EPOCH\"\n );\n\n // Update orderEpoch\n orderEpoch[makerAddress][senderAddress] = newOrderEpoch;\n emit CancelUpTo(\n makerAddress,\n senderAddress,\n newOrderEpoch\n );\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrder(Order memory order)\n public\n nonReentrant\n {\n cancelOrderInternal(order);\n }\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(Order memory order)\n public\n view\n returns (OrderInfo memory orderInfo)\n {\n // Compute the order hash\n orderInfo.orderHash = getOrderHash(order);\n\n // Fetch filled amount\n orderInfo.orderTakerAssetFilledAmount = filled[orderInfo.orderHash];\n\n // If order.makerAssetAmount is zero, we also reject the order.\n // While the Exchange contract handles them correctly, they create\n // edge cases in the supporting infrastructure because they have\n // an 'infinite' price when computed by a simple division.\n if (order.makerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_MAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // If order.takerAssetAmount is zero, then the order will always\n // be considered filled because 0 == takerAssetAmount == orderTakerAssetFilledAmount\n // Instead of distinguishing between unfilled and filled zero taker\n // amount orders, we choose not to support them.\n if (order.takerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_TAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // Validate order availability\n if (orderInfo.orderTakerAssetFilledAmount >= order.takerAssetAmount) {\n orderInfo.orderStatus = uint8(OrderStatus.FULLY_FILLED);\n return orderInfo;\n }\n\n // Validate order expiration\n // solhint-disable-next-line not-rely-on-time\n if (block.timestamp >= order.expirationTimeSeconds) {\n orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);\n return orderInfo;\n }\n\n // Check if order has been cancelled\n if (cancelled[orderInfo.orderHash]) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n if (orderEpoch[order.makerAddress][order.senderAddress] > order.salt) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n\n // All other statuses are ruled out: order is Fillable\n orderInfo.orderStatus = uint8(OrderStatus.FILLABLE);\n return orderInfo;\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // Fetch order info\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Assert that the order is fillable by taker\n assertFillableOrder(\n order,\n orderInfo,\n takerAddress,\n signature\n );\n \n // Get amount of takerAsset to fill\n uint256 remainingTakerAssetAmount = safeSub(order.takerAssetAmount, orderInfo.orderTakerAssetFilledAmount);\n uint256 takerAssetFilledAmount = min256(takerAssetFillAmount, remainingTakerAssetAmount);\n\n // Validate context\n assertValidFill(\n order,\n orderInfo,\n takerAssetFillAmount,\n takerAssetFilledAmount,\n fillResults.makerAssetFilledAmount\n );\n\n // Compute proportional fill amounts\n fillResults = calculateFillResults(order, takerAssetFilledAmount);\n\n // Update exchange internal state\n updateFilledState(\n order,\n takerAddress,\n orderInfo.orderHash,\n orderInfo.orderTakerAssetFilledAmount,\n fillResults\n );\n \n // Settle order\n settleOrder(\n order,\n takerAddress,\n fillResults\n );\n\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrderInternal(Order memory order)\n internal\n {\n // Fetch current order status\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Validate context\n assertValidCancel(order, orderInfo);\n\n // Perform cancel\n updateCancelledState(order, orderInfo.orderHash);\n }\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n function updateFilledState(\n Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n FillResults memory fillResults\n )\n internal\n {\n // Update state\n filled[orderHash] = safeAdd(orderTakerAssetFilledAmount, fillResults.takerAssetFilledAmount);\n\n // Log order\n emit Fill(\n order.makerAddress,\n order.feeRecipientAddress,\n takerAddress,\n msg.sender,\n fillResults.makerAssetFilledAmount,\n fillResults.takerAssetFilledAmount,\n fillResults.makerFeePaid,\n fillResults.takerFeePaid,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n Order memory order,\n bytes32 orderHash\n )\n internal\n {\n // Perform cancel\n cancelled[orderHash] = true;\n\n // Log cancel\n emit Cancel(\n order.makerAddress,\n order.feeRecipientAddress,\n msg.sender,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n Order memory order,\n OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view\n {\n // An order can only be filled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n \n // Validate sender is allowed to fill this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n \n // Validate taker is allowed to fill this order\n if (order.takerAddress != address(0)) {\n require(\n order.takerAddress == takerAddress,\n \"INVALID_TAKER\"\n );\n }\n \n // Validate Maker signature (check only if first time seen)\n if (orderInfo.orderTakerAssetFilledAmount == 0) {\n require(\n isValidSignature(\n orderInfo.orderHash,\n order.makerAddress,\n signature\n ),\n \"INVALID_ORDER_SIGNATURE\"\n );\n }\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n Order memory order,\n OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount, // TODO: use FillResults\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view\n {\n // Revert if fill amount is invalid\n // TODO: reconsider necessity for v2.1\n require(\n takerAssetFillAmount != 0,\n \"INVALID_TAKER_AMOUNT\"\n );\n \n // Make sure taker does not pay more than desired amount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n takerAssetFilledAmount <= takerAssetFillAmount,\n \"TAKER_OVERPAY\"\n );\n \n // Make sure order is not overfilled\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeAdd(orderInfo.orderTakerAssetFilledAmount, takerAssetFilledAmount) <= order.takerAssetAmount,\n \"ORDER_OVERFILL\"\n );\n \n // Make sure order is filled at acceptable price.\n // The order has an implied price from the makers perspective:\n // order price = order.makerAssetAmount / order.takerAssetAmount\n // i.e. the number of makerAsset maker is paying per takerAsset. The\n // maker is guaranteed to get this price or a better (lower) one. The\n // actual price maker is getting in this fill is:\n // fill price = makerAssetFilledAmount / takerAssetFilledAmount\n // We need `fill price <= order price` for the fill to be fair to maker.\n // This amounts to:\n // makerAssetFilledAmount order.makerAssetAmount\n // ------------------------ <= -----------------------\n // takerAssetFilledAmount order.takerAssetAmount\n // or, equivalently:\n // makerAssetFilledAmount * order.takerAssetAmount <=\n // order.makerAssetAmount * takerAssetFilledAmount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeMul(makerAssetFilledAmount, order.takerAssetAmount)\n <= \n safeMul(order.makerAssetAmount, takerAssetFilledAmount),\n \"INVALID_FILL_PRICE\"\n );\n }\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n Order memory order,\n OrderInfo memory orderInfo\n )\n internal\n view\n {\n // Ensure order is valid\n // An order can only be cancelled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Validate sender is allowed to cancel this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate transaction signed by maker\n address makerAddress = getCurrentContextAddress();\n require(\n order.makerAddress == makerAddress,\n \"INVALID_MAKER\"\n );\n }\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (FillResults memory fillResults)\n {\n // Compute proportional transfer amounts\n fillResults.takerAssetFilledAmount = takerAssetFilledAmount;\n fillResults.makerAssetFilledAmount = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n );\n fillResults.makerFeePaid = safeGetPartialAmountFloor(\n fillResults.makerAssetFilledAmount,\n order.makerAssetAmount,\n order.makerFee\n );\n fillResults.takerFeePaid = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.takerFee\n );\n\n return fillResults;\n }\n\n /// @dev Settles an order by transferring assets between counterparties.\n /// @param order Order struct containing order specifications.\n /// @param takerAddress Address selling takerAsset and buying makerAsset.\n /// @param fillResults Amounts to be filled and fees paid by maker and taker.\n function settleOrder(\n LibOrder.Order memory order,\n address takerAddress,\n LibFillResults.FillResults memory fillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n dispatchTransferFrom(\n order.makerAssetData,\n order.makerAddress,\n takerAddress,\n fillResults.makerAssetFilledAmount\n );\n dispatchTransferFrom(\n order.takerAssetData,\n takerAddress,\n order.makerAddress,\n fillResults.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n zrxAssetData,\n order.makerAddress,\n order.feeRecipientAddress,\n fillResults.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n order.feeRecipientAddress,\n fillResults.takerFeePaid\n );\n }\n}\n", - "2.0.0/protocol/Exchange/MixinMatchOrders.sol": "/*\n Copyright 2018 ZeroEx Intl.\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n http://www.apache.org/licenses/LICENSE-2.0\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MMatchOrders.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinMatchOrders is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n MAssetProxyDispatcher,\n MExchangeCore,\n MMatchOrders,\n MTransactions\n{\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n nonReentrant\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We assume that rightOrder.takerAssetData == leftOrder.makerAssetData and rightOrder.makerAssetData == leftOrder.takerAssetData.\n // If this assumption isn't true, the match will fail at signature validation.\n rightOrder.makerAssetData = leftOrder.takerAssetData;\n rightOrder.takerAssetData = leftOrder.makerAssetData;\n\n // Get left & right order info\n LibOrder.OrderInfo memory leftOrderInfo = getOrderInfo(leftOrder);\n LibOrder.OrderInfo memory rightOrderInfo = getOrderInfo(rightOrder);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Either our context is valid or we revert\n assertFillableOrder(\n leftOrder,\n leftOrderInfo,\n takerAddress,\n leftSignature\n );\n assertFillableOrder(\n rightOrder,\n rightOrderInfo,\n takerAddress,\n rightSignature\n );\n assertValidMatch(leftOrder, rightOrder);\n\n // Compute proportional fill amounts\n matchedFillResults = calculateMatchedFillResults(\n leftOrder,\n rightOrder,\n leftOrderInfo.orderTakerAssetFilledAmount,\n rightOrderInfo.orderTakerAssetFilledAmount\n );\n\n // Validate fill contexts\n assertValidFill(\n leftOrder,\n leftOrderInfo,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.makerAssetFilledAmount\n );\n assertValidFill(\n rightOrder,\n rightOrderInfo,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n \n // Update exchange state\n updateFilledState(\n leftOrder,\n takerAddress,\n leftOrderInfo.orderHash,\n leftOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.left\n );\n updateFilledState(\n rightOrder,\n takerAddress,\n rightOrderInfo.orderHash,\n rightOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.right\n );\n\n // Settle matched orders. Succeeds or throws.\n settleMatchedOrders(\n leftOrder,\n rightOrder,\n takerAddress,\n matchedFillResults\n );\n\n return matchedFillResults;\n }\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure\n {\n // Make sure there is a profitable spread.\n // There is a profitable spread iff the cost per unit bought (OrderA.MakerAmount/OrderA.TakerAmount) for each order is greater\n // than the profit per unit sold of the matched order (OrderB.TakerAmount/OrderB.MakerAmount).\n // This is satisfied by the equations below:\n // / >= / \n // AND\n // / >= / \n // These equations can be combined to get the following:\n require(\n safeMul(leftOrder.makerAssetAmount, rightOrder.makerAssetAmount) >=\n safeMul(leftOrder.takerAssetAmount, rightOrder.takerAssetAmount),\n \"NEGATIVE_SPREAD_REQUIRED\"\n );\n }\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // Derive maker asset amounts for left & right orders, given store taker assert amounts\n uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);\n uint256 leftMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n leftTakerAssetAmountRemaining\n );\n uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);\n uint256 rightMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n rightOrder.makerAssetAmount,\n rightOrder.takerAssetAmount,\n rightTakerAssetAmountRemaining\n );\n\n // Calculate fill results for maker and taker assets: at least one order will be fully filled.\n // The maximum amount the left maker can buy is `leftTakerAssetAmountRemaining`\n // The maximum amount the right maker can sell is `rightMakerAssetAmountRemaining`\n // We have two distinct cases for calculating the fill results:\n // Case 1.\n // If the left maker can buy more than the right maker can sell, then only the right order is fully filled.\n // If the left maker can buy exactly what the right maker can sell, then both orders are fully filled.\n // Case 2.\n // If the left maker cannot buy more than the right maker can sell, then only the left order is fully filled.\n if (leftTakerAssetAmountRemaining >= rightMakerAssetAmountRemaining) {\n // Case 1: Right order is fully filled\n matchedFillResults.right.makerAssetFilledAmount = rightMakerAssetAmountRemaining;\n matchedFillResults.right.takerAssetFilledAmount = rightTakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = matchedFillResults.right.makerAssetFilledAmount;\n // Round down to ensure the maker's exchange rate does not exceed the price specified by the order. \n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.left.makerAssetFilledAmount = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n matchedFillResults.left.takerAssetFilledAmount\n );\n } else {\n // Case 2: Left order is fully filled\n matchedFillResults.left.makerAssetFilledAmount = leftMakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = leftTakerAssetAmountRemaining;\n matchedFillResults.right.makerAssetFilledAmount = matchedFillResults.left.takerAssetFilledAmount;\n // Round up to ensure the maker's exchange rate does not exceed the price specified by the order.\n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.right.takerAssetFilledAmount = safeGetPartialAmountCeil(\n rightOrder.takerAssetAmount,\n rightOrder.makerAssetAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n }\n\n // Calculate amount given to taker\n matchedFillResults.leftMakerAssetSpreadAmount = safeSub(\n matchedFillResults.left.makerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount\n );\n\n // Compute fees for left order\n matchedFillResults.left.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.makerAssetFilledAmount,\n leftOrder.makerAssetAmount,\n leftOrder.makerFee\n );\n matchedFillResults.left.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.takerAssetFilledAmount,\n leftOrder.takerAssetAmount,\n leftOrder.takerFee\n );\n\n // Compute fees for right order\n matchedFillResults.right.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.makerAssetFilledAmount,\n rightOrder.makerAssetAmount,\n rightOrder.makerFee\n );\n matchedFillResults.right.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.takerAssetFilledAmount,\n rightOrder.takerAssetAmount,\n rightOrder.takerFee\n );\n\n // Return fill results\n return matchedFillResults;\n }\n\n /// @dev Settles matched order by transferring appropriate funds between order makers, taker, and fee recipient.\n /// @param leftOrder First matched order.\n /// @param rightOrder Second matched order.\n /// @param takerAddress Address that matched the orders. The taker receives the spread between orders as profit.\n /// @param matchedFillResults Struct holding amounts to transfer between makers, taker, and fee recipients.\n function settleMatchedOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n address takerAddress,\n LibFillResults.MatchedFillResults memory matchedFillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n // Order makers and taker\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n rightOrder.makerAddress,\n matchedFillResults.right.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n rightOrder.makerAssetData,\n rightOrder.makerAddress,\n leftOrder.makerAddress,\n matchedFillResults.left.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n takerAddress,\n matchedFillResults.leftMakerAssetSpreadAmount\n );\n\n // Maker fees\n dispatchTransferFrom(\n zrxAssetData,\n leftOrder.makerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n rightOrder.makerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.makerFeePaid\n );\n\n // Taker fees\n if (leftOrder.feeRecipientAddress == rightOrder.feeRecipientAddress) {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n safeAdd(\n matchedFillResults.left.takerFeePaid,\n matchedFillResults.right.takerFeePaid\n )\n );\n } else {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.takerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.takerFeePaid\n );\n }\n }\n}\n", - "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./interfaces/IWallet.sol\";\nimport \"./interfaces/IValidator.sol\";\n\n\ncontract MixinSignatureValidator is\n ReentrancyGuard,\n MSignatureValidator,\n MTransactions\n{\n using LibBytes for bytes;\n \n // Mapping of hash => signer => signed\n mapping (bytes32 => mapping (address => bool)) public preSigned;\n\n // Mapping of signer => validator => approved\n mapping (address => mapping (address => bool)) public allowedValidators;\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n {\n if (signerAddress != msg.sender) {\n require(\n isValidSignature(\n hash,\n signerAddress,\n signature\n ),\n \"INVALID_SIGNATURE\"\n );\n }\n preSigned[hash][signerAddress] = true;\n }\n\n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external\n nonReentrant\n {\n address signerAddress = getCurrentContextAddress();\n allowedValidators[signerAddress][validatorAddress] = approval;\n emit SignatureValidatorApproval(\n signerAddress,\n validatorAddress,\n approval\n );\n }\n\n /// @dev Verifies that a hash has been signed by the given signer.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid)\n {\n require(\n signature.length > 0,\n \"LENGTH_GREATER_THAN_0_REQUIRED\"\n );\n\n // Pop last byte off of signature byte array.\n uint8 signatureTypeRaw = uint8(signature.popLastByte());\n\n // Ensure signature is supported\n require(\n signatureTypeRaw < uint8(SignatureType.NSignatureTypes),\n \"SIGNATURE_UNSUPPORTED\"\n );\n\n SignatureType signatureType = SignatureType(signatureTypeRaw);\n\n // Variables are not scoped in Solidity.\n uint8 v;\n bytes32 r;\n bytes32 s;\n address recovered;\n\n // Always illegal signature.\n // This is always an implicit option since a signer can create a\n // signature array with invalid type or length. We may as well make\n // it an explicit option. This aids testing and analysis. It is\n // also the initialization value for the enum type.\n if (signatureType == SignatureType.Illegal) {\n revert(\"SIGNATURE_ILLEGAL\");\n\n // Always invalid signature.\n // Like Illegal, this is always implicitly available and therefore\n // offered explicitly. It can be implicitly created by providing\n // a correctly formatted but incorrect signature.\n } else if (signatureType == SignatureType.Invalid) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = false;\n return isValid;\n\n // Signature using EIP712\n } else if (signatureType == SignatureType.EIP712) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n hash,\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signed using web3.eth_sign\n } else if (signatureType == SignatureType.EthSign) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n32\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signature verified by wallet contract.\n // If used with an order, the maker of the order is the wallet contract.\n } else if (signatureType == SignatureType.Wallet) {\n isValid = isValidWalletSignature(\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signature verified by validator contract.\n // If used with an order, the maker of the order can still be an EOA.\n // A signature using this type should be encoded as:\n // | Offset | Length | Contents |\n // | 0x00 | x | Signature to validate |\n // | 0x00 + x | 20 | Address of validator contract |\n // | 0x14 + x | 1 | Signature type is always \"\\x06\" |\n } else if (signatureType == SignatureType.Validator) {\n // Pop last 20 bytes off of signature byte array.\n address validatorAddress = signature.popLast20Bytes();\n \n // Ensure signer has approved validator.\n if (!allowedValidators[signerAddress][validatorAddress]) {\n return false;\n }\n isValid = isValidValidatorSignature(\n validatorAddress,\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signer signed hash previously using the preSign function.\n } else if (signatureType == SignatureType.PreSigned) {\n isValid = preSigned[hash][signerAddress];\n return isValid;\n }\n\n // Anything else is illegal (We do not return false because\n // the signature may actually be valid, just not in a format\n // that we currently support. In this case returning false\n // may lead the caller to incorrectly believe that the\n // signature was invalid.)\n revert(\"SIGNATURE_UNSUPPORTED\");\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if signature is valid for given wallet..\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IWallet(walletAddress).isValidSignature.selector,\n hash,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n walletAddress, // address of Wallet contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"WALLET_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000c57414c4c45545f4552524f5200000000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IValidator(signerAddress).isValidSignature.selector,\n hash,\n signerAddress,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n validatorAddress, // address of Validator contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"VALIDATOR_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f56414c494441544f525f4552524f5200000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n}\n", - "2.0.0/protocol/Exchange/MixinTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"./libs/LibExchangeErrors.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./libs/LibEIP712.sol\";\n\n\ncontract MixinTransactions is\n LibEIP712,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of transaction hash => executed\n // This prevents transactions from being executed more than once.\n mapping (bytes32 => bool) public transactions;\n\n // Address of current transaction signer\n address public currentContextAddress;\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external\n {\n // Prevent reentrancy\n require(\n currentContextAddress == address(0),\n \"REENTRANCY_ILLEGAL\"\n );\n\n bytes32 transactionHash = hashEIP712Message(hashZeroExTransaction(\n salt,\n signerAddress,\n data\n ));\n\n // Validate transaction has not been executed\n require(\n !transactions[transactionHash],\n \"INVALID_TX_HASH\"\n );\n\n // Transaction always valid if signer is sender of transaction\n if (signerAddress != msg.sender) {\n // Validate signature\n require(\n isValidSignature(\n transactionHash,\n signerAddress,\n signature\n ),\n \"INVALID_TX_SIGNATURE\"\n );\n\n // Set the current transaction signer\n currentContextAddress = signerAddress;\n }\n\n // Execute transaction\n transactions[transactionHash] = true;\n require(\n address(this).delegatecall(data),\n \"FAILED_EXECUTION\"\n );\n\n // Reset current transaction signer if it was previously updated\n if (signerAddress != msg.sender) {\n currentContextAddress = address(0);\n }\n }\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;\n bytes32 dataHash = keccak256(data);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,\n // salt,\n // bytes32(signerAddress),\n // keccak256(data)\n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, schemaHash) // hash of schema\n mstore(add(memPtr, 32), salt) // salt\n mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff)) // signerAddress\n mstore(add(memPtr, 96), dataHash) // hash of data\n\n // Compute hash\n result := keccak256(memPtr, 128)\n }\n return result;\n }\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address)\n {\n address currentContextAddress_ = currentContextAddress;\n address contextAddress = currentContextAddress_ == address(0) ? msg.sender : currentContextAddress_;\n return contextAddress;\n }\n}\n", - "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibAbiEncoder.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MWrapperFunctions.sol\";\n\n\ncontract MixinWrapperFunctions is\n ReentrancyGuard,\n LibMath,\n LibFillResults,\n LibAbiEncoder,\n MExchangeCore,\n MWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrKillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n // Delegate to `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := delegatecall(\n gas, // forward all gas\n address, // call address of this contract\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrKillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n \n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public\n nonReentrant\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n cancelOrderInternal(orders[i]);\n }\n }\n\n /// @dev Fetches information for all passed in orders.\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n LibOrder.OrderInfo[] memory ordersInfo = new LibOrder.OrderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n ordersInfo[i] = getOrderInfo(orders[i]);\n }\n return ordersInfo;\n }\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n require(\n fillResults.takerAssetFilledAmount == takerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return fillResults;\n }\n}\n", - "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssetProxyDispatcher {\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external;\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IExchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./IExchangeCore.sol\";\nimport \"./IMatchOrders.sol\";\nimport \"./ISignatureValidator.sol\";\nimport \"./ITransactions.sol\";\nimport \"./IAssetProxyDispatcher.sol\";\nimport \"./IWrapperFunctions.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract IExchange is\n IExchangeCore,\n IMatchOrders,\n ISignatureValidator,\n ITransactions,\n IAssetProxyDispatcher,\n IWrapperFunctions\n{}\n", - "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IExchangeCore {\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external;\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrder(LibOrder.Order memory order)\n public;\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(LibOrder.Order memory order)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IMatchOrders {\n\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n}\n", - "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ISignatureValidator {\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external;\n \n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external;\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address of signer.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\n\ncontract ITransactions {\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external;\n}\n", - "2.0.0/protocol/Exchange/interfaces/IValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IValidator {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IWallet {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IWrapperFunctions {\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public;\n\n /// @dev Fetches information for all passed in orders\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory);\n}\n", - "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./LibOrder.sol\";\n\n\ncontract LibAbiEncoder {\n\n /// @dev ABI encodes calldata for `fillOrder`.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return ABI encoded calldata for `fillOrder`.\n function abiEncodeFillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n pure\n returns (bytes memory fillOrderCalldata)\n {\n // We need to call MExchangeCore.fillOrder using a delegatecall in\n // assembly so that we can intercept a call that throws. For this, we\n // need the input encoded in memory in the Ethereum ABIv2 format [1].\n\n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0x00 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 0x00 | | 1. offset to order (*) |\n // | | 0x20 | | 2. takerAssetFillAmount |\n // | | 0x40 | | 3. offset to signature (*) |\n // | Data | | 12 * 32 | order: |\n // | | 0x000 | | 1. senderAddress |\n // | | 0x020 | | 2. makerAddress |\n // | | 0x040 | | 3. takerAddress |\n // | | 0x060 | | 4. feeRecipientAddress |\n // | | 0x080 | | 5. makerAssetAmount |\n // | | 0x0A0 | | 6. takerAssetAmount |\n // | | 0x0C0 | | 7. makerFeeAmount |\n // | | 0x0E0 | | 8. takerFeeAmount |\n // | | 0x100 | | 9. expirationTimeSeconds |\n // | | 0x120 | | 10. salt |\n // | | 0x140 | | 11. Offset to makerAssetData (*) |\n // | | 0x160 | | 12. Offset to takerAssetData (*) |\n // | | 0x180 | 32 | makerAssetData Length |\n // | | 0x1A0 | ** | makerAssetData Contents |\n // | | 0x1C0 | 32 | takerAssetData Length |\n // | | 0x1E0 | ** | takerAssetData Contents |\n // | | 0x200 | 32 | signature Length |\n // | | 0x220 | ** | signature Contents |\n\n // * Offsets are calculated from the beginning of the current area: Header, Params, Data:\n // An offset stored in the Params area is calculated from the beginning of the Params section.\n // An offset stored in the Data area is calculated from the beginning of the Data section.\n\n // ** The length of dynamic array contents are stored in the field immediately preceeding the contents.\n\n // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html\n\n assembly {\n\n // Areas below may use the following variables:\n // 1. Start -- Start of this area in memory\n // 2. End -- End of this area in memory. This value may\n // be precomputed (before writing contents),\n // or it may be computed as contents are written.\n // 3. Offset -- Current offset into area. If an area's End\n // is precomputed, this variable tracks the\n // offsets of contents as they are written.\n\n /////// Setup Header Area ///////\n // Load free memory pointer\n fillOrderCalldata := mload(0x40)\n // bytes4(keccak256(\"fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)\"))\n // = 0xb4be83d5\n // Leave 0x20 bytes to store the length\n mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000)\n let headerAreaEnd := add(fillOrderCalldata, 0x24)\n\n /////// Setup Params Area ///////\n // This area is preallocated and written to later.\n // This is because we need to fill in offsets that have not yet been calculated.\n let paramsAreaStart := headerAreaEnd\n let paramsAreaEnd := add(paramsAreaStart, 0x60)\n let paramsAreaOffset := paramsAreaStart\n\n /////// Setup Data Area ///////\n let dataAreaStart := paramsAreaEnd\n let dataAreaEnd := dataAreaStart\n\n // Offset from the source data we're reading from\n let sourceOffset := order\n // arrayLenBytes and arrayLenWords track the length of a dynamically-allocated bytes array.\n let arrayLenBytes := 0\n let arrayLenWords := 0\n\n /////// Write order Struct ///////\n // Write memory location of Order, relative to the start of the\n // parameter list, then increment the paramsAreaOffset respectively.\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n // Write values for each field in the order\n // It would be nice to use a loop, but we save on gas by writing\n // the stores sequentially.\n mstore(dataAreaEnd, mload(sourceOffset)) // makerAddress\n mstore(add(dataAreaEnd, 0x20), mload(add(sourceOffset, 0x20))) // takerAddress\n mstore(add(dataAreaEnd, 0x40), mload(add(sourceOffset, 0x40))) // feeRecipientAddress\n mstore(add(dataAreaEnd, 0x60), mload(add(sourceOffset, 0x60))) // senderAddress\n mstore(add(dataAreaEnd, 0x80), mload(add(sourceOffset, 0x80))) // makerAssetAmount\n mstore(add(dataAreaEnd, 0xA0), mload(add(sourceOffset, 0xA0))) // takerAssetAmount\n mstore(add(dataAreaEnd, 0xC0), mload(add(sourceOffset, 0xC0))) // makerFeeAmount\n mstore(add(dataAreaEnd, 0xE0), mload(add(sourceOffset, 0xE0))) // takerFeeAmount\n mstore(add(dataAreaEnd, 0x100), mload(add(sourceOffset, 0x100))) // expirationTimeSeconds\n mstore(add(dataAreaEnd, 0x120), mload(add(sourceOffset, 0x120))) // salt\n mstore(add(dataAreaEnd, 0x140), mload(add(sourceOffset, 0x140))) // Offset to makerAssetData\n mstore(add(dataAreaEnd, 0x160), mload(add(sourceOffset, 0x160))) // Offset to takerAssetData\n dataAreaEnd := add(dataAreaEnd, 0x180)\n sourceOffset := add(sourceOffset, 0x180)\n\n // Write offset to \n mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x140)) // makerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Write offset to \n mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x160)) // takerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n /////// Write takerAssetFillAmount ///////\n mstore(paramsAreaOffset, takerAssetFillAmount)\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n /////// Write signature ///////\n // Write offset to paramsArea\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n\n // Calculate length of signature\n sourceOffset := signature\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of signature\n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of signature\n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Set length of calldata\n mstore(fillOrderCalldata, sub(dataAreaEnd, add(fillOrderCalldata, 0x20)))\n\n // Increment free memory pointer\n mstore(0x40, dataAreaEnd)\n }\n\n return fillOrderCalldata;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\n// solhint-disable max-line-length\ncontract LibConstants {\n \n // Asset data for ZRX token. Used for fee transfers.\n // @TODO: Hardcode constant when we deploy. Currently \n // not constant to make testing easier.\n\n // The proxyId for ZRX_ASSET_DATA is bytes4(keccak256(\"ERC20Token(address)\")) = 0xf47261b0\n \n // Kovan ZRX address is 0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570.\n // The ABI encoded proxyId and address is 0xf47261b00000000000000000000000006ff6c0ff1d68b964901f986d4c9fa3ac68346570\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x6f\\xf6\\xc0\\xff\\x1d\\x68\\xb9\\x64\\x90\\x1f\\x98\\x6d\\x4c\\x9f\\xa3\\xac\\x68\\x34\\x65\\x70\";\n \n // Mainnet ZRX address is 0xe41d2489571d322189246dafa5ebde1f4699f498.\n // The ABI encoded proxyId and address is 0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xe4\\x1d\\x24\\x89\\x57\\x1d\\x32\\x21\\x89\\x24\\x6d\\xaf\\xa5\\xeb\\xde\\x1f\\x46\\x99\\xf4\\x98\";\n \n // solhint-disable-next-line var-name-mixedcase\n bytes public ZRX_ASSET_DATA;\n\n // @TODO: Remove when we deploy.\n constructor (bytes memory zrxAssetData)\n public\n {\n ZRX_ASSET_DATA = zrxAssetData;\n }\n}\n// solhint-enable max-line-length\n", - "2.0.0/protocol/Exchange/libs/LibEIP712.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract LibEIP712 {\n\n // EIP191 header for EIP712 prefix\n string constant internal EIP191_HEADER = \"\\x19\\x01\";\n\n // EIP712 Domain Name value\n string constant internal EIP712_DOMAIN_NAME = \"0x Protocol\";\n\n // EIP712 Domain Version value\n string constant internal EIP712_DOMAIN_VERSION = \"2\";\n\n // Hash of the EIP712 Domain Separator Schema\n bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"EIP712Domain(\",\n \"string name,\",\n \"string version,\",\n \"address verifyingContract\",\n \")\"\n ));\n\n // Hash of the EIP712 Domain Separator data\n // solhint-disable-next-line var-name-mixedcase\n bytes32 public EIP712_DOMAIN_HASH;\n\n constructor ()\n public\n {\n EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(\n EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,\n keccak256(bytes(EIP712_DOMAIN_NAME)),\n keccak256(bytes(EIP712_DOMAIN_VERSION)),\n bytes32(address(this))\n ));\n }\n\n /// @dev Calculates EIP712 encoding for a hash struct in this EIP712 Domain.\n /// @param hashStruct The EIP712 hash struct.\n /// @return EIP712 hash applied to this EIP712 Domain.\n function hashEIP712Message(bytes32 hashStruct)\n internal\n view\n returns (bytes32 result)\n {\n bytes32 eip712DomainHash = EIP712_DOMAIN_HASH;\n\n // Assembly for more efficient computing:\n // keccak256(abi.encodePacked(\n // EIP191_HEADER,\n // EIP712_DOMAIN_HASH,\n // hashStruct \n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, 0x1901000000000000000000000000000000000000000000000000000000000000) // EIP191 header\n mstore(add(memPtr, 2), eip712DomainHash) // EIP712 domain hash\n mstore(add(memPtr, 34), hashStruct) // Hash of struct\n\n // Compute hash\n result := keccak256(memPtr, 66)\n }\n return result;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity 0.4.24;\n\n\n/// @dev This contract documents the revert reasons used in the Exchange contract.\n/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons.\ncontract LibExchangeErrors {\n\n /// Order validation errors ///\n string constant ORDER_UNFILLABLE = \"ORDER_UNFILLABLE\"; // Order cannot be filled.\n string constant INVALID_MAKER = \"INVALID_MAKER\"; // Invalid makerAddress.\n string constant INVALID_TAKER = \"INVALID_TAKER\"; // Invalid takerAddress.\n string constant INVALID_SENDER = \"INVALID_SENDER\"; // Invalid `msg.sender`.\n string constant INVALID_ORDER_SIGNATURE = \"INVALID_ORDER_SIGNATURE\"; // Signature validation failed. \n \n /// fillOrder validation errors ///\n string constant INVALID_TAKER_AMOUNT = \"INVALID_TAKER_AMOUNT\"; // takerAssetFillAmount cannot equal 0.\n string constant ROUNDING_ERROR = \"ROUNDING_ERROR\"; // Rounding error greater than 0.1% of takerAssetFillAmount. \n \n /// Signature validation errors ///\n string constant INVALID_SIGNATURE = \"INVALID_SIGNATURE\"; // Signature validation failed. \n string constant SIGNATURE_ILLEGAL = \"SIGNATURE_ILLEGAL\"; // Signature type is illegal.\n string constant SIGNATURE_UNSUPPORTED = \"SIGNATURE_UNSUPPORTED\"; // Signature type unsupported.\n \n /// cancelOrdersUptTo errors ///\n string constant INVALID_NEW_ORDER_EPOCH = \"INVALID_NEW_ORDER_EPOCH\"; // Specified salt must be greater than or equal to existing orderEpoch.\n\n /// fillOrKillOrder errors ///\n string constant COMPLETE_FILL_FAILED = \"COMPLETE_FILL_FAILED\"; // Desired takerAssetFillAmount could not be completely filled. \n\n /// matchOrders errors ///\n string constant NEGATIVE_SPREAD_REQUIRED = \"NEGATIVE_SPREAD_REQUIRED\"; // Matched orders must have a negative spread.\n\n /// Transaction errors ///\n string constant REENTRANCY_ILLEGAL = \"REENTRANCY_ILLEGAL\"; // Recursive reentrancy is not allowed. \n string constant INVALID_TX_HASH = \"INVALID_TX_HASH\"; // Transaction has already been executed. \n string constant INVALID_TX_SIGNATURE = \"INVALID_TX_SIGNATURE\"; // Signature validation failed. \n string constant FAILED_EXECUTION = \"FAILED_EXECUTION\"; // Transaction execution failed. \n \n /// registerAssetProxy errors ///\n string constant ASSET_PROXY_ALREADY_EXISTS = \"ASSET_PROXY_ALREADY_EXISTS\"; // AssetProxy with same id already exists.\n\n /// dispatchTransferFrom errors ///\n string constant ASSET_PROXY_DOES_NOT_EXIST = \"ASSET_PROXY_DOES_NOT_EXIST\"; // No assetProxy registered at given id.\n string constant TRANSFER_FAILED = \"TRANSFER_FAILED\"; // Asset transfer unsuccesful.\n\n /// Length validation errors ///\n string constant LENGTH_GREATER_THAN_0_REQUIRED = \"LENGTH_GREATER_THAN_0_REQUIRED\"; // Byte array must have a length greater than 0.\n string constant LENGTH_GREATER_THAN_3_REQUIRED = \"LENGTH_GREATER_THAN_3_REQUIRED\"; // Byte array must have a length greater than 3.\n string constant LENGTH_0_REQUIRED = \"LENGTH_0_REQUIRED\"; // Byte array must have a length of 0.\n string constant LENGTH_65_REQUIRED = \"LENGTH_65_REQUIRED\"; // Byte array must have a length of 65.\n}\n", - "2.0.0/protocol/Exchange/libs/LibFillResults.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibFillResults is\n SafeMath\n{\n struct FillResults {\n uint256 makerAssetFilledAmount; // Total amount of makerAsset(s) filled.\n uint256 takerAssetFilledAmount; // Total amount of takerAsset(s) filled.\n uint256 makerFeePaid; // Total amount of ZRX paid by maker(s) to feeRecipient(s).\n uint256 takerFeePaid; // Total amount of ZRX paid by taker to feeRecipients(s).\n }\n\n struct MatchedFillResults {\n FillResults left; // Amounts filled and fees paid of left order.\n FillResults right; // Amounts filled and fees paid of right order.\n uint256 leftMakerAssetSpreadAmount; // Spread between price of left and right order, denominated in the left order's makerAsset, paid to taker.\n }\n\n /// @dev Adds properties of both FillResults instances.\n /// Modifies the first FillResults instance specified.\n /// @param totalFillResults Fill results instance that will be added onto.\n /// @param singleFillResults Fill results instance that will be added to totalFillResults.\n function addFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)\n internal\n pure\n {\n totalFillResults.makerAssetFilledAmount = safeAdd(totalFillResults.makerAssetFilledAmount, singleFillResults.makerAssetFilledAmount);\n totalFillResults.takerAssetFilledAmount = safeAdd(totalFillResults.takerAssetFilledAmount, singleFillResults.takerAssetFilledAmount);\n totalFillResults.makerFeePaid = safeAdd(totalFillResults.makerFeePaid, singleFillResults.makerFeePaid);\n totalFillResults.takerFeePaid = safeAdd(totalFillResults.takerFeePaid, singleFillResults.takerFeePaid);\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibMath.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibMath is\n SafeMath\n{\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function safeGetPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorFloor(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function safeGetPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorCeil(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function getPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function getPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // The absolute rounding error is the difference between the rounded\n // value and the ideal value. The relative rounding error is the\n // absolute rounding error divided by the absolute value of the\n // ideal value. This is undefined when the ideal value is zero.\n //\n // The ideal value is `numerator * target / denominator`.\n // Let's call `numerator * target % denominator` the remainder.\n // The absolute error is `remainder / denominator`.\n //\n // When the ideal value is zero, we require the absolute error to\n // be zero. Fortunately, this is always the case. The ideal value is\n // zero iff `numerator == 0` and/or `target == 0`. In this case the\n // remainder and absolute error are also zero. \n if (target == 0 || numerator == 0) {\n return false;\n }\n \n // Otherwise, we want the relative rounding error to be strictly\n // less than 0.1%.\n // The relative error is `remainder / (numerator * target)`.\n // We want the relative error less than 1 / 1000:\n // remainder / (numerator * denominator) < 1 / 1000\n // or equivalently:\n // 1000 * remainder < numerator * target\n // so we have a rounding error iff:\n // 1000 * remainder >= numerator * target\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding up.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // See the comments in `isRoundingError`.\n if (target == 0 || numerator == 0) {\n // When either is zero, the ideal value and rounded value are zero\n // and there is no rounding error. (Although the relative error\n // is undefined.)\n return false;\n }\n // Compute remainder as before\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n remainder = safeSub(denominator, remainder) % denominator;\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibOrder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./LibEIP712.sol\";\n\n\ncontract LibOrder is\n LibEIP712\n{\n // Hash for the EIP712 Order Schema\n bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"Order(\",\n \"address makerAddress,\",\n \"address takerAddress,\",\n \"address feeRecipientAddress,\",\n \"address senderAddress,\",\n \"uint256 makerAssetAmount,\",\n \"uint256 takerAssetAmount,\",\n \"uint256 makerFee,\",\n \"uint256 takerFee,\",\n \"uint256 expirationTimeSeconds,\",\n \"uint256 salt,\",\n \"bytes makerAssetData,\",\n \"bytes takerAssetData\",\n \")\"\n ));\n\n // A valid order remains fillable until it is expired, fully filled, or cancelled.\n // An order's state is unaffected by external factors, like account balances.\n enum OrderStatus {\n INVALID, // Default value\n INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount\n INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount\n FILLABLE, // Order is fillable\n EXPIRED, // Order has already expired\n FULLY_FILLED, // Order is fully filled\n CANCELLED // Order has been cancelled\n }\n\n // solhint-disable max-line-length\n struct Order {\n address makerAddress; // Address that created the order. \n address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order. \n address feeRecipientAddress; // Address that will recieve fees when order is filled. \n address senderAddress; // Address that is allowed to call Exchange contract methods that affect this order. If set to 0, any address is allowed to call these methods.\n uint256 makerAssetAmount; // Amount of makerAsset being offered by maker. Must be greater than 0. \n uint256 takerAssetAmount; // Amount of takerAsset being bid on by maker. Must be greater than 0. \n uint256 makerFee; // Amount of ZRX paid to feeRecipient by maker when order is filled. If set to 0, no transfer of ZRX from maker to feeRecipient will be attempted.\n uint256 takerFee; // Amount of ZRX paid to feeRecipient by taker when order is filled. If set to 0, no transfer of ZRX from taker to feeRecipient will be attempted.\n uint256 expirationTimeSeconds; // Timestamp in seconds at which order expires. \n uint256 salt; // Arbitrary number to facilitate uniqueness of the order's hash. \n bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.\n bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.\n }\n // solhint-enable max-line-length\n\n struct OrderInfo {\n uint8 orderStatus; // Status that describes order's validity and fillability.\n bytes32 orderHash; // EIP712 hash of the order (see LibOrder.getOrderHash).\n uint256 orderTakerAssetFilledAmount; // Amount of order that has already been filled.\n }\n\n /// @dev Calculates Keccak-256 hash of the order.\n /// @param order The order structure.\n /// @return Keccak-256 EIP712 hash of the order.\n function getOrderHash(Order memory order)\n internal\n view\n returns (bytes32 orderHash)\n {\n orderHash = hashEIP712Message(hashOrder(order));\n return orderHash;\n }\n\n /// @dev Calculates EIP712 hash of the order.\n /// @param order The order structure.\n /// @return EIP712 hash of the order.\n function hashOrder(Order memory order)\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ORDER_SCHEMA_HASH;\n bytes32 makerAssetDataHash = keccak256(order.makerAssetData);\n bytes32 takerAssetDataHash = keccak256(order.takerAssetData);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ORDER_SCHEMA_HASH,\n // bytes32(order.makerAddress),\n // bytes32(order.takerAddress),\n // bytes32(order.feeRecipientAddress),\n // bytes32(order.senderAddress),\n // order.makerAssetAmount,\n // order.takerAssetAmount,\n // order.makerFee,\n // order.takerFee,\n // order.expirationTimeSeconds,\n // order.salt,\n // keccak256(order.makerAssetData),\n // keccak256(order.takerAssetData)\n // ));\n\n assembly {\n // Calculate memory addresses that will be swapped out before hashing\n let pos1 := sub(order, 32)\n let pos2 := add(order, 320)\n let pos3 := add(order, 352)\n\n // Backup\n let temp1 := mload(pos1)\n let temp2 := mload(pos2)\n let temp3 := mload(pos3)\n \n // Hash in place\n mstore(pos1, schemaHash)\n mstore(pos2, makerAssetDataHash)\n mstore(pos3, takerAssetDataHash)\n result := keccak256(pos1, 416)\n \n // Restore\n mstore(pos1, temp1)\n mstore(pos2, temp2)\n mstore(pos3, temp3)\n }\n return result;\n }\n}\n", - "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssetProxyDispatcher.sol\";\n\n\ncontract MAssetProxyDispatcher is\n IAssetProxyDispatcher\n{\n // Logs registration of new asset proxy\n event AssetProxyRegistered(\n bytes4 id, // Id of new registered AssetProxy.\n address assetProxy // Address of new registered AssetProxy.\n );\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal;\n}\n", - "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IExchangeCore.sol\";\n\n\ncontract MExchangeCore is\n IExchangeCore\n{\n // Fill event is emitted whenever an order is filled.\n event Fill(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that received fees.\n address takerAddress, // Address that filled the order.\n address senderAddress, // Address that called the Exchange contract (msg.sender).\n uint256 makerAssetFilledAmount, // Amount of makerAsset sold by maker and bought by taker. \n uint256 takerAssetFilledAmount, // Amount of takerAsset sold by taker and bought by maker.\n uint256 makerFeePaid, // Amount of ZRX paid to feeRecipient by maker.\n uint256 takerFeePaid, // Amount of ZRX paid to feeRecipient by taker.\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // Cancel event is emitted whenever an individual order is cancelled.\n event Cancel(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that would have recieved fees if order was filled. \n address senderAddress, // Address that called the Exchange contract (msg.sender).\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // CancelUpTo event is emitted whenever `cancelOrdersUpTo` is executed succesfully.\n event CancelUpTo(\n address indexed makerAddress, // Orders cancelled must have been created by this address.\n address indexed senderAddress, // Orders cancelled must have a `senderAddress` equal to this address.\n uint256 orderEpoch // Orders with specified makerAddress and senderAddress with a salt less than this value are considered cancelled.\n );\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrderInternal(LibOrder.Order memory order)\n internal;\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function updateFilledState(\n LibOrder.Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n LibFillResults.FillResults memory fillResults\n )\n internal;\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n LibOrder.Order memory order,\n bytes32 orderHash\n )\n internal;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo Status, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view;\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo\n )\n internal\n view;\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n LibOrder.Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.FillResults memory fillResults);\n\n}\n", - "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IMatchOrders.sol\";\n\n\ncontract MMatchOrders is\n IMatchOrders\n{\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure;\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n\n}\n", - "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/ISignatureValidator.sol\";\n\n\ncontract MSignatureValidator is\n ISignatureValidator\n{\n event SignatureValidatorApproval(\n address indexed signerAddress, // Address that approves or disapproves a contract to verify signatures.\n address indexed validatorAddress, // Address of signature validator contract.\n bool approved // Approval or disapproval of validator contract.\n );\n\n // Allowed signature types.\n enum SignatureType {\n Illegal, // 0x00, default value\n Invalid, // 0x01\n EIP712, // 0x02\n EthSign, // 0x03\n Wallet, // 0x04\n Validator, // 0x05\n PreSigned, // 0x06\n NSignatureTypes // 0x07, number of signature types. Always leave at end.\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/mixins/MTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"../interfaces/ITransactions.sol\";\n\n\ncontract MTransactions is\n ITransactions\n{\n // Hash for the EIP712 ZeroEx Transaction Schema\n bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"ZeroExTransaction(\",\n \"uint256 salt,\",\n \"address signerAddress,\",\n \"bytes data\",\n \")\"\n ));\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result);\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address);\n}\n", - "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IWrapperFunctions.sol\";\n\n\ncontract MWrapperFunctions is \n IWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n}\n", - "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/MintableERC20Token.sol\";\n\n\ncontract DummyERC20Token is \n Ownable,\n MintableERC20Token\n{\n string public name;\n string public symbol;\n uint256 public decimals;\n uint256 public constant MAX_MINT_AMOUNT = 10000000000000000000000;\n\n constructor (\n string _name,\n string _symbol,\n uint256 _decimals,\n uint256 _totalSupply\n )\n public\n {\n name = _name;\n symbol = _symbol;\n decimals = _decimals;\n _totalSupply = _totalSupply;\n balances[msg.sender] = _totalSupply;\n }\n\n /// @dev Sets the balance of target address\n /// @param _target Address or which balance will be updated\n /// @param _value New balance of target address\n function setBalance(address _target, uint256 _value)\n external\n onlyOwner\n {\n uint256 currBalance = balances[_target];\n if (_value < currBalance) {\n _totalSupply = safeSub(_totalSupply, safeSub(currBalance, _value));\n } else {\n _totalSupply = safeAdd(_totalSupply, safeSub(_value, currBalance));\n }\n balances[_target] = _value;\n }\n\n /// @dev Mints new tokens for sender\n /// @param _value Amount of tokens to mint\n function mint(uint256 _value)\n external\n {\n require(\n _value <= MAX_MINT_AMOUNT,\n \"VALUE_TOO_LARGE\"\n );\n\n _mint(msg.sender, _value);\n }\n}\n", - "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../tokens/ERC721Token/MintableERC721Token.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract DummyERC721Token is\n Ownable,\n MintableERC721Token\n{\n string public name;\n string public symbol;\n\n constructor (\n string _name,\n string _symbol\n )\n public\n {\n name = _name;\n symbol = _symbol;\n }\n\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function mint(address _to, uint256 _tokenId)\n external\n {\n _mint(_to, _tokenId);\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist or not called by contract owner\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function burn(address _owner, uint256 _tokenId)\n external\n onlyOwner\n {\n _burn(_owner, _tokenId);\n }\n}\n", - "2.0.0/tokens/ERC20Token/ERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC20Token.sol\";\n\n\ncontract ERC20Token is\n IERC20Token\n{\n mapping (address => uint256) internal balances;\n mapping (address => mapping (address => uint256)) internal allowed;\n\n uint256 internal _totalSupply;\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool)\n {\n require(\n balances[msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[msg.sender] -= _value;\n balances[_to] += _value;\n\n emit Transfer(\n msg.sender,\n _to,\n _value\n );\n\n return true;\n }\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowed[_from][msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n allowed[_from][msg.sender] -= _value;\n \n emit Transfer(\n _from,\n _to,\n _value\n );\n \n return true;\n }\n\n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool)\n {\n allowed[msg.sender][_spender] = _value;\n emit Approval(\n msg.sender,\n _spender,\n _value\n );\n return true;\n }\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256)\n {\n return _totalSupply;\n }\n\n /// @dev Query the balance of owner\n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n return balances[_owner];\n }\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256)\n {\n return allowed[_owner][_spender];\n }\n}\n", - "2.0.0/tokens/ERC20Token/IERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n \n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n \n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", - "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/SafeMath/SafeMath.sol\";\nimport \"./UnlimitedAllowanceERC20Token.sol\";\n\n\ncontract MintableERC20Token is \n SafeMath,\n UnlimitedAllowanceERC20Token\n{\n /// @dev Mints new tokens\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _value Amount of tokens to mint\n function _mint(address _to, uint256 _value)\n internal\n {\n balances[_to] = safeAdd(_value, balances[_to]);\n _totalSupply = safeAdd(_totalSupply, _value);\n\n emit Transfer(\n address(0),\n _to,\n _value\n );\n }\n\n /// @dev Mints new tokens\n /// @param _owner Owner of tokens that will be burned\n /// @param _value Amount of tokens to burn\n function _burn(address _owner, uint256 _value)\n internal\n {\n balances[_owner] = safeSub(balances[_owner], _value);\n _totalSupply = safeSub(_totalSupply, _value);\n\n emit Transfer(\n _owner,\n address(0),\n _value\n );\n }\n}\n", - "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/ERC20Token.sol\";\n\n\ncontract UnlimitedAllowanceERC20Token is\n ERC20Token\n{\n uint256 constant internal MAX_UINT = 2**256 - 1;\n\n /// @dev ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited allowance. See https://github.com/ethereum/EIPs/issues/717\n /// @param _from Address to transfer from.\n /// @param _to Address to transfer to.\n /// @param _value Amount to transfer.\n /// @return Success of transfer.\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n uint256 allowance = allowed[_from][msg.sender];\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowance >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n if (allowance < MAX_UINT) {\n allowed[_from][msg.sender] -= _value;\n }\n\n emit Transfer(\n _from,\n _to,\n _value\n );\n\n return true;\n }\n}\n", - "2.0.0/tokens/ERC721Token/ERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC721Token.sol\";\nimport \"./IERC721Receiver.sol\";\nimport \"../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract ERC721Token is\n IERC721Token,\n SafeMath\n{\n // Function selector for ERC721Receiver.onERC721Received\n // 0x150b7a02\n bytes4 constant internal ERC721_RECEIVED = bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"));\n\n // Mapping of tokenId => owner\n mapping (uint256 => address) internal owners;\n\n // Mapping of tokenId => approved address\n mapping (uint256 => address) internal approvals;\n\n // Mapping of owner => number of tokens owned\n mapping (address => uint256) internal balances;\n\n // Mapping of owner => operator => approved\n mapping (address => mapping (address => bool)) internal operatorApprovals;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n _data\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n \"\"\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external\n {\n address owner = ownerOf(_tokenId);\n require(\n msg.sender == owner || isApprovedForAll(owner, msg.sender),\n \"ERC721_INVALID_SENDER\"\n );\n\n approvals[_tokenId] = _approved;\n emit Approval(\n owner,\n _approved,\n _tokenId\n );\n }\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external\n {\n operatorApprovals[msg.sender][_operator] = _approved;\n emit ApprovalForAll(\n msg.sender,\n _operator,\n _approved\n );\n }\n \n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return balances[_owner];\n }\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = ownerOf(_tokenId);\n require(\n _from == owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n address spender = msg.sender;\n address approvedAddress = getApproved(_tokenId);\n require(\n spender == owner ||\n isApprovedForAll(owner, spender) ||\n approvedAddress == spender,\n \"ERC721_INVALID_SPENDER\"\n );\n\n if (approvedAddress != address(0)) {\n approvals[_tokenId] = address(0);\n }\n\n owners[_tokenId] = _to;\n balances[_from] = safeSub(balances[_from], 1);\n balances[_to] = safeAdd(balances[_to], 1);\n \n emit Transfer(\n _from,\n _to,\n _tokenId\n );\n }\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address)\n {\n address owner = owners[_tokenId];\n require(\n owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return owner;\n }\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId)\n public\n view\n returns (address)\n {\n return approvals[_tokenId];\n }\n\n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool)\n {\n return operatorApprovals[_owner][_operator];\n }\n}\n", - "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Receiver {\n\n /// @notice Handle the receipt of an NFT\n /// @dev The ERC721 smart contract calls this function on the recipient\n /// after a `transfer`. This function MAY throw to revert and reject the\n /// transfer. Return of other than the magic value MUST result in the\n /// transaction being reverted.\n /// Note: the contract address is always the message sender.\n /// @param _operator The address which called `safeTransferFrom` function\n /// @param _from The address which previously owned the token\n /// @param _tokenId The NFT identifier which is being transferred\n /// @param _data Additional data with no specified format\n /// @return `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`\n /// unless throwing\n function onERC721Received(\n address _operator,\n address _from,\n uint256 _tokenId,\n bytes _data\n )\n external\n returns (bytes4);\n}\n", - "2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Token {\n\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(\n address indexed _owner,\n address indexed _approved,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(\n address indexed _owner,\n address indexed _operator,\n bool _approved\n );\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// perator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external;\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public;\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address);\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) \n public\n view\n returns (address);\n \n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool);\n}\n", - "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./ERC721Token.sol\";\n\n\ncontract MintableERC721Token is\n ERC721Token\n{\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function _mint(address _to, uint256 _tokenId)\n internal\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == address(0),\n \"ERC721_OWNER_ALREADY_EXISTS\"\n );\n\n owners[_tokenId] = _to;\n balances[_to] = safeAdd(balances[_to], 1);\n\n emit Transfer(\n address(0),\n _to,\n _tokenId\n );\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function _burn(address _owner, uint256 _tokenId)\n internal\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == _owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n owners[_tokenId] = address(0);\n balances[_owner] = safeSub(balances[_owner], 1);\n\n emit Transfer(\n _owner,\n address(0),\n _tokenId\n );\n }\n}\n", - "2.0.0/tokens/EtherToken/IEtherToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/IERC20Token.sol\";\n\n\ncontract IEtherToken is\n IERC20Token\n{\n function deposit()\n public\n payable;\n \n function withdraw(uint256 amount)\n public;\n}\n", - "2.0.0/utils/LibBytes/LibBytes.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\nlibrary LibBytes {\n\n using LibBytes for bytes;\n\n /// @dev Gets the memory address for a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of byte array. This\n /// points to the header of the byte array which contains\n /// the length.\n function rawAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := input\n }\n return memoryAddress;\n }\n \n /// @dev Gets the memory address for the contents of a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of the contents of the byte array.\n function contentAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := add(input, 32)\n }\n return memoryAddress;\n }\n\n /// @dev Copies `length` bytes from memory location `source` to `dest`.\n /// @param dest memory address to copy bytes to.\n /// @param source memory address to copy bytes from.\n /// @param length number of bytes to copy.\n function memCopy(\n uint256 dest,\n uint256 source,\n uint256 length\n )\n internal\n pure\n {\n if (length < 32) {\n // Handle a partial word by reading destination and masking\n // off the bits we are interested in.\n // This correctly handles overlap, zero lengths and source == dest\n assembly {\n let mask := sub(exp(256, sub(32, length)), 1)\n let s := and(mload(source), not(mask))\n let d := and(mload(dest), mask)\n mstore(dest, or(s, d))\n }\n } else {\n // Skip the O(length) loop when source == dest.\n if (source == dest) {\n return;\n }\n\n // For large copies we copy whole words at a time. The final\n // word is aligned to the end of the range (instead of after the\n // previous) to handle partial words. So a copy will look like this:\n //\n // ####\n // ####\n // ####\n // ####\n //\n // We handle overlap in the source and destination range by\n // changing the copying direction. This prevents us from\n // overwriting parts of source that we still need to copy.\n //\n // This correctly handles source == dest\n //\n if (source > dest) {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because it\n // is easier to compare with in the loop, and these\n // are also the addresses we need for copying the\n // last bytes.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the last 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the last bytes in\n // source already due to overlap.\n let last := mload(sEnd)\n\n // Copy whole words front to back\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} lt(source, sEnd) {} {\n mstore(dest, mload(source))\n source := add(source, 32)\n dest := add(dest, 32)\n }\n \n // Write the last 32 bytes\n mstore(dEnd, last)\n }\n } else {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because those\n // are the starting points when copying a word at the end.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the first 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the first bytes in\n // source already due to overlap.\n let first := mload(source)\n\n // Copy whole words back to front\n // We use a signed comparisson here to allow dEnd to become\n // negative (happens when source and dest < 32). Valid\n // addresses in local memory will never be larger than\n // 2**255, so they can be safely re-interpreted as signed.\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} slt(dest, dEnd) {} {\n mstore(dEnd, mload(sEnd))\n sEnd := sub(sEnd, 32)\n dEnd := sub(dEnd, 32)\n }\n \n // Write the first 32 bytes\n mstore(dest, first)\n }\n }\n }\n }\n\n /// @dev Returns a slices from a byte array.\n /// @param b The byte array to take a slice from.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n function slice(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure and copy contents\n result = new bytes(to - from);\n memCopy(\n result.contentAddress(),\n b.contentAddress() + from,\n result.length\n );\n return result;\n }\n \n /// @dev Returns a slice from a byte array without preserving the input.\n /// @param b The byte array to take a slice from. Will be destroyed in the process.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n /// @dev When `from == 0`, the original array will match the slice. In other cases its state will be corrupted.\n function sliceDestructive(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure around [from, to) in-place.\n assembly {\n result := add(b, from)\n mstore(result, sub(to, from))\n }\n return result;\n }\n\n /// @dev Pops the last byte off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The byte that was popped off.\n function popLastByte(bytes memory b)\n internal\n pure\n returns (bytes1 result)\n {\n require(\n b.length > 0,\n \"GREATER_THAN_ZERO_LENGTH_REQUIRED\"\n );\n\n // Store last byte.\n result = b[b.length - 1];\n\n assembly {\n // Decrement length of byte array.\n let newLen := sub(mload(b), 1)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Pops the last 20 bytes off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The 20 byte address that was popped off.\n function popLast20Bytes(bytes memory b)\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= 20,\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Store last 20 bytes.\n result = readAddress(b, b.length - 20);\n\n assembly {\n // Subtract 20 from byte array length.\n let newLen := sub(mload(b), 20)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Tests equality of two byte arrays.\n /// @param lhs First byte array to compare.\n /// @param rhs Second byte array to compare.\n /// @return True if arrays are the same. False otherwise.\n function equals(\n bytes memory lhs,\n bytes memory rhs\n )\n internal\n pure\n returns (bool equal)\n {\n // Keccak gas cost is 30 + numWords * 6. This is a cheap way to compare.\n // We early exit on unequal lengths, but keccak would also correctly\n // handle this.\n return lhs.length == rhs.length && keccak256(lhs) == keccak256(rhs);\n }\n\n /// @dev Reads an address from a position in a byte array.\n /// @param b Byte array containing an address.\n /// @param index Index in byte array of address.\n /// @return address from byte array.\n function readAddress(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Read address from array memory\n assembly {\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 20-byte mask to obtain address\n result := and(mload(add(b, index)), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n return result;\n }\n\n /// @dev Writes an address into a specific position in a byte array.\n /// @param b Byte array to insert address into.\n /// @param index Index in byte array of address.\n /// @param input Address to put into byte array.\n function writeAddress(\n bytes memory b,\n uint256 index,\n address input\n )\n internal\n pure\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Store address into array memory\n assembly {\n // The address occupies 20 bytes and mstore stores 32 bytes.\n // First fetch the 32-byte word where we'll be storing the address, then\n // apply a mask so we have only the bytes in the word that the address will not occupy.\n // Then combine these bytes with the address and store the 32 bytes back to memory with mstore.\n\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 12-byte mask to obtain extra bytes occupying word of memory where we'll store the address\n let neighbors := and(\n mload(add(b, index)),\n 0xffffffffffffffffffffffff0000000000000000000000000000000000000000\n )\n \n // Make sure input address is clean.\n // (Solidity does not guarantee this)\n input := and(input, 0xffffffffffffffffffffffffffffffffffffffff)\n\n // Store the neighbors and address into memory\n mstore(add(b, index), xor(input, neighbors))\n }\n }\n\n /// @dev Reads a bytes32 value from a position in a byte array.\n /// @param b Byte array containing a bytes32 value.\n /// @param index Index in byte array of bytes32 value.\n /// @return bytes32 value from byte array.\n function readBytes32(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes32 result)\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n result := mload(add(b, index))\n }\n return result;\n }\n\n /// @dev Writes a bytes32 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes32 to put into byte array.\n function writeBytes32(\n bytes memory b,\n uint256 index,\n bytes32 input\n )\n internal\n pure\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n mstore(add(b, index), input)\n }\n }\n\n /// @dev Reads a uint256 value from a position in a byte array.\n /// @param b Byte array containing a uint256 value.\n /// @param index Index in byte array of uint256 value.\n /// @return uint256 value from byte array.\n function readUint256(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (uint256 result)\n {\n result = uint256(readBytes32(b, index));\n return result;\n }\n\n /// @dev Writes a uint256 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input uint256 to put into byte array.\n function writeUint256(\n bytes memory b,\n uint256 index,\n uint256 input\n )\n internal\n pure\n {\n writeBytes32(b, index, bytes32(input));\n }\n\n /// @dev Reads an unpadded bytes4 value from a position in a byte array.\n /// @param b Byte array containing a bytes4 value.\n /// @param index Index in byte array of bytes4 value.\n /// @return bytes4 value from byte array.\n function readBytes4(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes4 result)\n {\n require(\n b.length >= index + 4,\n \"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 32 byte length field\n index += 32;\n\n // Read the bytes4 from array memory\n assembly {\n result := mload(add(b, index))\n // Solidity does not require us to clean the trailing bytes.\n // We do it anyway\n result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)\n }\n return result;\n }\n\n /// @dev Reads nested bytes from a specific position.\n /// @dev NOTE: the returned value overlaps with the input value.\n /// Both should be treated as immutable.\n /// @param b Byte array containing nested bytes.\n /// @param index Index of nested bytes.\n /// @return result Nested bytes.\n function readBytesWithLength(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes memory result)\n {\n // Read length of nested bytes\n uint256 nestedBytesLength = readUint256(b, index);\n index += 32;\n\n // Assert length of is valid, given\n // length of nested bytes\n require(\n b.length >= index + nestedBytesLength,\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n \n // Return a pointer to the byte array as it exists inside `b`\n assembly {\n result := add(b, index)\n }\n return result;\n }\n\n /// @dev Inserts bytes at a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes to insert.\n function writeBytesWithLength(\n bytes memory b,\n uint256 index,\n bytes memory input\n )\n internal\n pure\n {\n // Assert length of is valid, given\n // length of input\n require(\n b.length >= index + 32 + input.length, // 32 bytes to store length\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n\n // Copy into \n memCopy(\n b.contentAddress() + index,\n input.rawAddress(), // includes length of \n input.length + 32 // +32 bytes to store length\n );\n }\n\n /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length.\n /// @param dest Byte array that will be overwritten with source bytes.\n /// @param source Byte array to copy onto dest bytes.\n function deepCopyBytes(\n bytes memory dest,\n bytes memory source\n )\n internal\n pure\n {\n uint256 sourceLen = source.length;\n // Dest length must be >= source length, or some bytes would not be copied.\n require(\n dest.length >= sourceLen,\n \"GREATER_OR_EQUAL_TO_SOURCE_BYTES_LENGTH_REQUIRED\"\n );\n memCopy(\n dest.contentAddress(),\n source.contentAddress(),\n sourceLen\n );\n }\n}\n", - "2.0.0/utils/Ownable/IOwnable.sol": "pragma solidity 0.4.24;\n\n\ncontract IOwnable {\n\n function transferOwnership(address newOwner)\n public;\n}\n", - "2.0.0/utils/Ownable/Ownable.sol": "pragma solidity 0.4.24;\n\nimport \"./IOwnable.sol\";\n\n\ncontract Ownable is\n IOwnable\n{\n address public owner;\n\n constructor ()\n public\n {\n owner = msg.sender;\n }\n\n modifier onlyOwner() {\n require(\n msg.sender == owner,\n \"ONLY_CONTRACT_OWNER\"\n );\n _;\n }\n\n function transferOwnership(address newOwner)\n public\n onlyOwner\n {\n if (newOwner != address(0)) {\n owner = newOwner;\n }\n }\n}\n", - "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ReentrancyGuard {\n\n // Locked state of mutex\n bool private locked = false;\n\n /// @dev Functions with this modifer cannot be reentered. The mutex will be locked\n /// before function execution and unlocked after.\n modifier nonReentrant() {\n // Ensure mutex is unlocked\n require(\n !locked,\n \"REENTRANCY_ILLEGAL\"\n );\n\n // Lock mutex before function call\n locked = true;\n\n // Perform function call\n _;\n\n // Unlock mutex after function call\n locked = false;\n }\n}\n", - "2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n\n function safeMul(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(\n c / a == b,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function safeDiv(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a / b;\n return c;\n }\n\n function safeSub(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n require(\n b <= a,\n \"UINT256_UNDERFLOW\"\n );\n return a - b;\n }\n\n function safeAdd(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a + b;\n require(\n c >= a,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function max64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n\n function max256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n}\n" - }, - "sourceTreeHashHex": "0xee0dcd8415ba0737890f13994332b71d7fbed7c79041929a551c334c497db064", - "compiler": { - "name": "solc", - "version": "soljson-v0.4.24+commit.e67f0147.js", - "settings": { - "optimizer": { - "enabled": true, - "runs": 1000000 - }, - "outputSelection": { - "*": { - "*": [ - "abi", - "evm.bytecode.object", - "evm.bytecode.sourceMap", - "evm.deployedBytecode.object", - "evm.deployedBytecode.sourceMap" - ] - } - } - } - }, - "networks": {} -} \ No newline at end of file diff --git a/packages/migrations/artifacts/2.0.0-mainnet/ERC721Proxy.json b/packages/migrations/artifacts/2.0.0-mainnet/ERC721Proxy.json deleted file mode 100644 index 2359c0519..000000000 --- a/packages/migrations/artifacts/2.0.0-mainnet/ERC721Proxy.json +++ /dev/null @@ -1,481 +0,0 @@ -{ - "schemaVersion": "2.0.0", - "contractName": "ERC721Proxy", - "compilerOutput": { - "abi": [ - { - "constant": false, - "inputs": [ - { - "name": "target", - "type": "address" - } - ], - "name": "addAuthorizedAddress", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "", - "type": "uint256" - } - ], - "name": "authorities", - "outputs": [ - { - "name": "", - "type": "address" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "target", - "type": "address" - } - ], - "name": "removeAuthorizedAddress", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": true, - "inputs": [], - "name": "owner", - "outputs": [ - { - "name": "", - "type": "address" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "target", - "type": "address" - }, - { - "name": "index", - "type": "uint256" - } - ], - "name": "removeAuthorizedAddressAtIndex", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": true, - "inputs": [], - "name": "getProxyId", - "outputs": [ - { - "name": "", - "type": "bytes4" - } - ], - "payable": false, - "stateMutability": "pure", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "", - "type": "address" - } - ], - "name": "authorized", - "outputs": [ - { - "name": "", - "type": "bool" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [], - "name": "getAuthorizedAddresses", - "outputs": [ - { - "name": "", - "type": "address[]" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "newOwner", - "type": "address" - } - ], - "name": "transferOwnership", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "payable": false, - "stateMutability": "nonpayable", - "type": "fallback" - }, - { - "anonymous": false, - "inputs": [ - { - "indexed": true, - "name": "target", - "type": "address" - }, - { - "indexed": true, - "name": "caller", - "type": "address" - } - ], - "name": "AuthorizedAddressAdded", - "type": "event" - }, - { - "anonymous": false, - "inputs": [ - { - "indexed": true, - "name": "target", - "type": "address" - }, - { - "indexed": true, - "name": "caller", - "type": "address" - } - ], - "name": "AuthorizedAddressRemoved", - "type": "event" - } - ], - "evm": { - "bytecode": { - "linkReferences": {}, - "object": 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0x494E4445585F4F55545F4F465F424F554E445300000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x2 DUP3 DUP2 SLOAD DUP2 LT ISZERO ISZERO PUSH2 0xBA8 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ PUSH2 0xC36 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1B PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x415554484F52495A45445F414444524553535F4D49534D415443480000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE PUSH1 0x2 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 ADD SWAP1 DUP2 LT PUSH2 0xCB1 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH1 0x2 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND SWAP2 DUP4 SWAP1 DUP2 LT PUSH2 0xCE4 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP3 SWAP1 SWAP3 AND SWAP2 SWAP1 SWAP2 OR SWAP1 SSTORE PUSH1 0x2 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 PUSH2 0xD63 SWAP1 DUP3 PUSH2 0xF4B JUMP JUMPDEST POP PUSH1 0x40 MLOAD CALLER SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND SWAP1 PUSH32 0x1F32C1B084E2DE0713B8FB16BD46BB9DF710A3DBEAE2F3CA93AF46E016DCC6B0 SWAP1 PUSH1 0x0 SWAP1 LOG3 POP POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x455243373231546F6B656E28616464726573732C75696E743235362900000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x1C ADD SWAP1 KECCAK256 JUMPDEST SWAP1 JUMP JUMPDEST PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x2 DUP1 SLOAD DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP1 SLOAD DUP1 ISZERO PUSH2 0xE5B JUMPI PUSH1 0x20 MUL DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0xE30 JUMPI JUMPDEST POP POP POP POP POP SWAP1 POP SWAP1 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xEEB JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0xF48 JUMPI PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND OR SWAP1 SSTORE JUMPDEST POP JUMP JUMPDEST DUP2 SLOAD DUP2 DUP4 SSTORE DUP2 DUP2 GT ISZERO PUSH2 0xF6F JUMPI PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x20 SWAP1 KECCAK256 PUSH2 0xF6F SWAP2 DUP2 ADD SWAP1 DUP4 ADD PUSH2 0xF74 JUMP JUMPDEST POP POP POP JUMP JUMPDEST PUSH2 0xDDE SWAP2 SWAP1 JUMPDEST DUP1 DUP3 GT ISZERO PUSH2 0xF8E JUMPI PUSH1 0x0 DUP2 SSTORE PUSH1 0x1 ADD PUSH2 0xF7A JUMP JUMPDEST POP SWAP1 JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 MLOAD CALLDATACOPY PUSH27 0xE1CA7B3F3D032510EA8CBA18DC3E6CE467F660AB6B18EDEBEB7804 0x49 0xc6 STOP 0x29 ", - "sourceMap": "641:7861:15:-;;;162:5:55;:18;;-1:-1:-1;;;;;;162:18:55;170:10;162:18;;;641:7861:15;;;;;;" - }, - "deployedBytecode": { - "linkReferences": {}, - "object": 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- "opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0x98 JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x42F1181E DUP2 EQ PUSH2 0x2BC JUMPI DUP1 PUSH4 0x494503D4 EQ PUSH2 0x2EC JUMPI DUP1 PUSH4 0x70712939 EQ PUSH2 0x32D JUMPI DUP1 PUSH4 0x8DA5CB5B EQ PUSH2 0x35B JUMPI DUP1 PUSH4 0x9AD26744 EQ PUSH2 0x370 JUMPI DUP1 PUSH4 0xAE25532E EQ PUSH2 0x3A1 JUMPI DUP1 PUSH4 0xB9181611 EQ PUSH2 0x3EB JUMPI DUP1 PUSH4 0xD39DE6E9 EQ PUSH2 0x42D JUMPI DUP1 PUSH4 0xF2FDE38B EQ PUSH2 0x492 JUMPI JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xA4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD AND PUSH32 0xA85E59E400000000000000000000000000000000000000000000000000000000 DUP2 EQ ISZERO PUSH2 0x2B7 JUMPI PUSH1 0x40 DUP1 MLOAD CALLER DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP3 ADD MSTORE SWAP1 DUP2 KECCAK256 SLOAD ISZERO ISZERO PUSH2 0x17B JUMPI PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 PUSH1 0x0 MSTORE PUSH29 0x2000000000000000000000000000000000000000000000000000000000 PUSH1 0x20 MSTORE PUSH29 0x1553454E4445525F4E4F545F415554484F52495A454400000000000000 PUSH1 0x40 MSTORE PUSH1 0x0 PUSH1 0x60 MSTORE PUSH1 0x64 PUSH1 0x0 REVERT JUMPDEST PUSH1 0x1 PUSH1 0x64 CALLDATALOAD SUB ISZERO PUSH2 0x1F7 JUMPI PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 PUSH1 0x0 MSTORE PUSH29 0x2000000000000000000000000000000000000000000000000000000000 PUSH1 0x20 MSTORE PUSH29 0xE494E56414C49445F414D4F554E540000000000000000000000000000 PUSH1 0x40 MSTORE PUSH1 0x0 PUSH1 0x60 MSTORE PUSH1 0x64 PUSH1 0x0 REVERT JUMPDEST PUSH32 0x23B872DD00000000000000000000000000000000000000000000000000000000 PUSH1 0x0 MSTORE PUSH1 0x40 PUSH1 0x24 PUSH1 0x4 CALLDATACOPY PUSH1 0x4 CALLDATALOAD PUSH1 0x20 PUSH1 0x48 DUP3 ADD PUSH1 0x44 CALLDATACOPY PUSH1 0x28 DUP2 ADD CALLDATALOAD PUSH1 0x0 DUP1 PUSH1 0x64 PUSH1 0x0 DUP1 DUP6 GAS CALL DUP1 ISZERO PUSH2 0x246 JUMPI STOP JUMPDEST PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 PUSH1 0x0 MSTORE PUSH29 0x2000000000000000000000000000000000000000000000000000000000 PUSH1 0x20 MSTORE PUSH29 0xF5452414E534645525F4641494C454400000000000000000000000000 PUSH1 0x40 MSTORE PUSH1 0x0 PUSH1 0x60 MSTORE PUSH1 0x64 PUSH1 0x0 REVERT JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2C8 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2EA PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x4C0 JUMP JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2F8 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x304 PUSH1 0x4 CALLDATALOAD PUSH2 0x6AC JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x339 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2EA PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x6E1 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x367 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x304 PUSH2 0x9DA JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x37C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2EA PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x9F6 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3AD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x3B6 PUSH2 0xDAB JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3F7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x419 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0xDE1 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x439 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x442 PUSH2 0xDF6 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 DUP2 ADD SWAP2 MUL DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x47E JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x466 JUMP JUMPDEST POP POP POP POP SWAP1 POP ADD SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x49E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2EA PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0xE65 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x546 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x5DB JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x19 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x5441524745545F414C52454144595F415554484F52495A454400000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND DUP4 OR SWAP1 SSTORE PUSH1 0x2 DUP1 SLOAD SWAP3 DUP4 ADD DUP2 SSTORE DUP4 MSTORE PUSH32 0x405787FA12A823E0F2B7631CC41B3BA8828B3321CA811111FA75CD3AA3BB5ACE SWAP1 SWAP2 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND DUP5 OR SWAP1 SSTORE MLOAD CALLER SWAP3 SWAP2 PUSH32 0x3147867C59D17E8FA9D522465651D44AAE0A9E38F902F3475B97E58072F0ED4C SWAP2 LOG3 POP JUMP JUMPDEST PUSH1 0x2 DUP1 SLOAD DUP3 SWAP1 DUP2 LT PUSH2 0x6BA JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 POP DUP2 JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x768 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x7FE JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x5441524745545F4E4F545F415554484F52495A45440000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE JUMPDEST PUSH1 0x2 SLOAD DUP2 LT ISZERO PUSH2 0x993 JUMPI DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x2 DUP3 DUP2 SLOAD DUP2 LT ISZERO ISZERO PUSH2 0x87B JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO PUSH2 0x98B JUMPI PUSH1 0x2 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 ADD SWAP1 DUP2 LT PUSH2 0x8D3 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH1 0x2 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND SWAP2 DUP4 SWAP1 DUP2 LT PUSH2 0x906 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP3 SWAP1 SWAP3 AND SWAP2 SWAP1 SWAP2 OR SWAP1 SSTORE PUSH1 0x2 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 PUSH2 0x985 SWAP1 DUP3 PUSH2 0xF4B JUMP JUMPDEST POP PUSH2 0x993 JUMP JUMPDEST PUSH1 0x1 ADD PUSH2 0x84B JUMP JUMPDEST PUSH1 0x40 MLOAD CALLER SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND SWAP1 PUSH32 0x1F32C1B084E2DE0713B8FB16BD46BB9DF710A3DBEAE2F3CA93AF46E016DCC6B0 SWAP1 PUSH1 0x0 SWAP1 LOG3 POP POP JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xA7C JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO ISZERO PUSH2 0xB12 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x5441524745545F4E4F545F415554484F52495A45440000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x2 SLOAD DUP2 LT PUSH2 0xB82 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x494E4445585F4F55545F4F465F424F554E445300000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x2 DUP3 DUP2 SLOAD DUP2 LT ISZERO ISZERO PUSH2 0xBA8 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ PUSH2 0xC36 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1B PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x415554484F52495A45445F414444524553535F4D49534D415443480000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE PUSH1 0x2 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 ADD SWAP1 DUP2 LT PUSH2 0xCB1 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH1 0x2 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND SWAP2 DUP4 SWAP1 DUP2 LT PUSH2 0xCE4 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP3 SWAP1 SWAP3 AND SWAP2 SWAP1 SWAP2 OR SWAP1 SSTORE PUSH1 0x2 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 PUSH2 0xD63 SWAP1 DUP3 PUSH2 0xF4B JUMP JUMPDEST POP PUSH1 0x40 MLOAD CALLER SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND SWAP1 PUSH32 0x1F32C1B084E2DE0713B8FB16BD46BB9DF710A3DBEAE2F3CA93AF46E016DCC6B0 SWAP1 PUSH1 0x0 SWAP1 LOG3 POP POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x455243373231546F6B656E28616464726573732C75696E743235362900000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x1C ADD SWAP1 KECCAK256 JUMPDEST SWAP1 JUMP JUMPDEST PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x2 DUP1 SLOAD DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP1 SLOAD DUP1 ISZERO PUSH2 0xE5B JUMPI PUSH1 0x20 MUL DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0xE30 JUMPI JUMPDEST POP POP POP POP POP SWAP1 POP SWAP1 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xEEB JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0xF48 JUMPI PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND OR SWAP1 SSTORE JUMPDEST POP JUMP JUMPDEST DUP2 SLOAD DUP2 DUP4 SSTORE DUP2 DUP2 GT ISZERO PUSH2 0xF6F JUMPI PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x20 SWAP1 KECCAK256 PUSH2 0xF6F SWAP2 DUP2 ADD SWAP1 DUP4 ADD PUSH2 0xF74 JUMP JUMPDEST POP POP POP JUMP JUMPDEST PUSH2 0xDDE SWAP2 SWAP1 JUMPDEST DUP1 DUP3 GT ISZERO PUSH2 0xF8E JUMPI PUSH1 0x0 DUP2 SSTORE PUSH1 0x1 ADD PUSH2 0xF7A JUMP JUMPDEST POP SWAP1 JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 MLOAD CALLDATACOPY PUSH27 0xE1CA7B3F3D032510EA8CBA18DC3E6CE467F660AB6B18EDEBEB7804 0x49 0xc6 STOP 0x29 ", - "sourceMap": 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- } - } - }, - "sources": { - "2.0.0/extensions/Forwarder/Forwarder.sol": { - "id": 0 - }, - "2.0.0/extensions/Forwarder/MixinAssets.sol": { - "id": 1 - }, - "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": { - "id": 2 - }, - "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": { - "id": 3 - }, - "2.0.0/extensions/Forwarder/MixinWeth.sol": { - "id": 4 - }, - "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": { - "id": 5 - }, - "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": { - "id": 6 - }, - "2.0.0/extensions/Forwarder/libs/LibConstants.sol": { - "id": 7 - }, - "2.0.0/extensions/Forwarder/mixins/MAssets.sol": { - "id": 8 - }, - "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": { - "id": 9 - }, - "2.0.0/extensions/Forwarder/mixins/MWeth.sol": { - "id": 10 - }, - "2.0.0/extensions/OrderValidator/OrderValidator.sol": { - "id": 11 - }, - "2.0.0/multisig/MultiSigWallet.sol": { - "id": 12 - }, - "2.0.0/multisig/MultiSigWalletWithTimeLock.sol": { - "id": 13 - }, - "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": { - "id": 14 - }, - "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": { - "id": 15 - }, - "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": { - "id": 16 - }, - "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": { - "id": 17 - }, - "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": { - "id": 18 - }, - "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": { - "id": 19 - }, - "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": { - "id": 20 - }, - "2.0.0/protocol/Exchange/Exchange.sol": { - "id": 21 - }, - "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": { - "id": 22 - }, - "2.0.0/protocol/Exchange/MixinExchangeCore.sol": { - "id": 23 - }, - "2.0.0/protocol/Exchange/MixinMatchOrders.sol": { - "id": 24 - }, - "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": { - "id": 25 - }, - "2.0.0/protocol/Exchange/MixinTransactions.sol": { - "id": 26 - }, - "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": { - "id": 27 - }, - "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": { - "id": 28 - }, - "2.0.0/protocol/Exchange/interfaces/IExchange.sol": { - "id": 29 - }, - "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": { - "id": 30 - }, - "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": { - "id": 31 - }, - "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": { - "id": 32 - }, - "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": { - "id": 33 - }, - "2.0.0/protocol/Exchange/interfaces/IValidator.sol": { - "id": 34 - }, - "2.0.0/protocol/Exchange/interfaces/IWallet.sol": { - "id": 35 - }, - "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": { - "id": 36 - }, - "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": { - "id": 37 - }, - "2.0.0/protocol/Exchange/libs/LibConstants.sol": { - "id": 38 - }, - "2.0.0/protocol/Exchange/libs/LibEIP712.sol": { - "id": 39 - }, - "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": { - "id": 40 - }, - "2.0.0/protocol/Exchange/libs/LibFillResults.sol": { - "id": 41 - }, - "2.0.0/protocol/Exchange/libs/LibMath.sol": { - "id": 42 - }, - "2.0.0/protocol/Exchange/libs/LibOrder.sol": { - "id": 43 - }, - "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": { - "id": 44 - }, - "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": { - "id": 45 - }, - "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": { - "id": 46 - }, - "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": { - "id": 47 - }, - "2.0.0/protocol/Exchange/mixins/MTransactions.sol": { - "id": 48 - }, - "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": { - "id": 49 - }, - "2.0.0/tokens/ERC20Token/IERC20Token.sol": { - "id": 50 - }, - "2.0.0/tokens/ERC721Token/IERC721Token.sol": { - "id": 51 - }, - "2.0.0/tokens/EtherToken/IEtherToken.sol": { - "id": 52 - }, - "2.0.0/utils/LibBytes/LibBytes.sol": { - "id": 53 - }, - "2.0.0/utils/Ownable/IOwnable.sol": { - "id": 54 - }, - "2.0.0/utils/Ownable/Ownable.sol": { - "id": 55 - }, - "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": { - "id": 56 - }, - "2.0.0/utils/SafeMath/SafeMath.sol": { - "id": 57 - } - }, - "sourceCodes": { - "2.0.0/extensions/Forwarder/Forwarder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinWeth.sol\";\nimport \"./MixinForwarderCore.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinAssets.sol\";\nimport \"./MixinExchangeWrapper.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Forwarder is\n LibConstants,\n MixinWeth,\n MixinAssets,\n MixinExchangeWrapper,\n MixinForwarderCore\n{\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n LibConstants(\n _exchange,\n _zrxAssetData,\n _wethAssetData\n )\n MixinForwarderCore()\n {}\n}\n", - "2.0.0/extensions/Forwarder/MixinAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MAssets.sol\";\n\n\ncontract MixinAssets is\n Ownable,\n LibConstants,\n MAssets\n{\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256(\"transfer(address,uint256)\"));\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external\n onlyOwner\n {\n transferAssetToSender(assetData, amount);\n }\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n bytes4 proxyId = assetData.readBytes4(0);\n\n if (proxyId == ERC20_DATA_ID) {\n transferERC20Token(assetData, amount);\n } else if (proxyId == ERC721_DATA_ID) {\n transferERC721Token(assetData, amount);\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n }\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n address token = assetData.readAddress(16);\n\n // Transfer tokens.\n // We do a raw call so we can check the success separate\n // from the return data.\n bool success = token.call(abi.encodeWithSelector(\n ERC20_TRANSFER_SELECTOR,\n msg.sender,\n amount\n ));\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n \n // Check return data.\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // value that evaluates to true.\n assembly {\n if returndatasize {\n success := 0\n if eq(returndatasize, 32) {\n // First 64 bytes of memory are reserved scratch space\n returndatacopy(0, 0, 32)\n success := mload(0)\n }\n }\n }\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n }\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n require(\n amount == 1,\n \"INVALID_AMOUNT\"\n );\n // Decode asset data.\n address token = assetData.readAddress(16);\n uint256 tokenId = assetData.readUint256(36);\n\n // Perform transfer.\n IERC721Token(token).transferFrom(\n address(this),\n msg.sender,\n tokenId\n );\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"../../protocol/Exchange/libs/LibAbiEncoder.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinExchangeWrapper is\n LibAbiEncoder,\n LibFillResults,\n LibMath,\n LibConstants,\n MExchangeWrapper\n{\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n address exchange = address(EXCHANGE);\n\n // Call `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := call(\n gas, // forward all gas\n exchange, // call address of Exchange contract\n 0, // transfer 0 wei\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of WETH to sell\n uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of WETH\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount;\n if (makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n\n require(\n makerAssetFilledAmount >= makerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n // Do nothing if zrxBuyAmount == 0\n if (zrxBuyAmount == 0) {\n return totalFillResults;\n }\n\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n uint256 zrxPurchased = 0;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // All of these are ZRX/WETH, so we can drop the respective assetData from calldata.\n orders[i].makerAssetData = zrxAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of ZRX to buy.\n uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased);\n\n // Convert the remaining amount of ZRX to buy into remaining amount\n // of WETH to sell, assuming entire amount can be sold in the current order.\n uint256 remainingWethSellAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees \n remainingZrxBuyAmount\n );\n\n // Attempt to sell the remaining amount of WETH.\n FillResults memory singleFillResult = fillOrderNoThrow(\n orders[i],\n safeAdd(remainingWethSellAmount, 1), // we add 1 wei to the fill amount to make up for rounding errors\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker.\n addFillResults(totalFillResults, singleFillResult);\n zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid);\n\n // Stop execution if the entire amount of ZRX has been bought.\n if (zrxPurchased >= zrxBuyAmount) {\n break;\n }\n }\n\n require(\n zrxPurchased >= zrxBuyAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\nimport \"./mixins/MAssets.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"./interfaces/IForwarderCore.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinForwarderCore is\n LibFillResults,\n LibMath,\n LibConstants,\n MWeth,\n MAssets,\n MExchangeWrapper,\n IForwarderCore\n{\n using LibBytes for bytes;\n\n /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf.\n constructor ()\n public\n {\n address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID);\n require(\n proxyAddress != address(0),\n \"UNREGISTERED_ASSET_PROXY\"\n );\n ETHER_TOKEN.approve(proxyAddress, MAX_UINT);\n ZRX_TOKEN.approve(proxyAddress, MAX_UINT);\n }\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 wethSellAmount;\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // Calculate amount of WETH that won't be spent on ETH fees.\n wethSellAmount = getPartialAmountFloor(\n PERCENTAGE_DENOMINATOR,\n safeAdd(PERCENTAGE_DENOMINATOR, feePercentage),\n msg.value\n );\n // Market sell available WETH.\n // ZRX fees are paid with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // 5% of WETH is reserved for filling feeOrders and paying feeRecipient.\n wethSellAmount = getPartialAmountFloor(\n MAX_WETH_FILL_PERCENTAGE,\n PERCENTAGE_DENOMINATOR,\n msg.value\n );\n // Market sell 95% of WETH.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // If the makerAsset is ZRX, it is not necessary to pay fees out of this\n // contracts's ZRX balance because fees are factored into the price of the order.\n orderFillResults = marketBuyExactZrxWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // Attemp to purchase desired amount of makerAsset.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketBuyExactAmountWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\n\n\ncontract MixinWeth is\n LibMath,\n LibConstants,\n MWeth\n{\n /// @dev Default payabale function, this allows us to withdraw WETH\n function ()\n public\n payable\n {\n require(\n msg.sender == address(ETHER_TOKEN),\n \"DEFAULT_FUNCTION_WETH_CONTRACT_ONLY\"\n );\n }\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal\n {\n require(\n msg.value > 0,\n \"INVALID_MSG_VALUE\"\n );\n ETHER_TOKEN.deposit.value(msg.value)();\n }\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal\n {\n // Ensure feePercentage is less than 5%.\n require(\n feePercentage <= MAX_FEE_PERCENTAGE,\n \"FEE_PERCENTAGE_TOO_LARGE\"\n );\n\n // Ensure that no extra WETH owned by this contract has been sold.\n uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx);\n require(\n wethSold <= msg.value,\n \"OVERSOLD_WETH\"\n );\n\n // Calculate amount of WETH that hasn't been sold.\n uint256 wethRemaining = safeSub(msg.value, wethSold);\n\n // Calculate ETH fee to pay to feeRecipient.\n uint256 ethFee = getPartialAmountFloor(\n feePercentage,\n PERCENTAGE_DENOMINATOR,\n wethSoldExcludingFeeOrders\n );\n\n // Ensure fee is less than amount of WETH remaining.\n require(\n ethFee <= wethRemaining,\n \"INSUFFICIENT_ETH_REMAINING\"\n );\n \n // Do nothing if no WETH remaining\n if (wethRemaining > 0) {\n // Convert remaining WETH to ETH\n ETHER_TOKEN.withdraw(wethRemaining);\n\n // Pay ETH to feeRecipient\n if (ethFee > 0) {\n feeRecipient.transfer(ethFee);\n }\n\n // Refund remaining ETH to msg.sender.\n uint256 ethRefund = safeSub(wethRemaining, ethFee);\n if (ethRefund > 0) {\n msg.sender.transfer(ethRefund);\n }\n }\n }\n}\n", - "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssets {\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external;\n}\n", - "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract IForwarderCore {\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n}\n", - "2.0.0/extensions/Forwarder/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/LibBytes/LibBytes.sol\";\nimport \"../../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../../tokens/EtherToken/IEtherToken.sol\";\nimport \"../../../tokens/ERC20Token/IERC20Token.sol\";\n\n\ncontract LibConstants {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n uint256 constant internal MAX_UINT = 2**256 - 1;\n uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; \n uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5%\n uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95%\n \n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n IEtherToken internal ETHER_TOKEN;\n IERC20Token internal ZRX_TOKEN;\n bytes internal ZRX_ASSET_DATA;\n bytes internal WETH_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n WETH_ASSET_DATA = _wethAssetData;\n\n address etherToken = _wethAssetData.readAddress(16);\n address zrxToken = _zrxAssetData.readAddress(16);\n ETHER_TOKEN = IEtherToken(etherToken);\n ZRX_TOKEN = IERC20Token(zrxToken);\n }\n}\n", - "2.0.0/extensions/Forwarder/mixins/MAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssets.sol\";\n\n\ncontract MAssets is\n IAssets\n{\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n}\n", - "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract MExchangeWrapper {\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n}\n", - "2.0.0/extensions/Forwarder/mixins/MWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract MWeth {\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal;\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal;\n}\n", - "2.0.0/extensions/OrderValidator/OrderValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract OrderValidator {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n struct TraderInfo {\n uint256 makerBalance; // Maker's balance of makerAsset\n uint256 makerAllowance; // Maker's allowance to corresponding AssetProxy\n uint256 takerBalance; // Taker's balance of takerAsset\n uint256 takerAllowance; // Taker's allowance to corresponding AssetProxy\n uint256 makerZrxBalance; // Maker's balance of ZRX\n uint256 makerZrxAllowance; // Maker's allowance of ZRX to ERC20Proxy\n uint256 takerZrxBalance; // Taker's balance of ZRX\n uint256 takerZrxAllowance; // Taker's allowance of ZRX to ERC20Proxy\n }\n\n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n bytes internal ZRX_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (address _exchange, bytes memory _zrxAssetData)\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n }\n\n /// @dev Fetches information for order and maker/taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return OrderInfo and TraderInfo instances for given order.\n function getOrderAndTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo, TraderInfo memory traderInfo)\n {\n orderInfo = EXCHANGE.getOrderInfo(order);\n traderInfo = getTraderInfo(order, takerAddress);\n return (orderInfo, traderInfo);\n }\n\n /// @dev Fetches information for all passed in orders and the makers/takers of each order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Arrays of OrderInfo and TraderInfo instances that correspond to each order.\n function getOrdersAndTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (LibOrder.OrderInfo[] memory ordersInfo, TraderInfo[] memory tradersInfo)\n {\n ordersInfo = EXCHANGE.getOrdersInfo(orders);\n tradersInfo = getTradersInfo(orders, takerAddresses);\n return (ordersInfo, tradersInfo);\n }\n\n /// @dev Fetches balance and allowances for maker and taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return Balances and allowances of maker and taker of order.\n function getTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (TraderInfo memory traderInfo)\n {\n (traderInfo.makerBalance, traderInfo.makerAllowance) = getBalanceAndAllowance(order.makerAddress, order.makerAssetData);\n (traderInfo.takerBalance, traderInfo.takerAllowance) = getBalanceAndAllowance(takerAddress, order.takerAssetData);\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n (traderInfo.makerZrxBalance, traderInfo.makerZrxAllowance) = getBalanceAndAllowance(order.makerAddress, zrxAssetData);\n (traderInfo.takerZrxBalance, traderInfo.takerZrxAllowance) = getBalanceAndAllowance(takerAddress, zrxAssetData);\n return traderInfo;\n }\n\n /// @dev Fetches balances and allowances of maker and taker for each provided order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Array of balances and allowances for maker and taker of each order.\n function getTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (TraderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n TraderInfo[] memory tradersInfo = new TraderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n tradersInfo[i] = getTraderInfo(orders[i], takerAddresses[i]);\n }\n return tradersInfo;\n }\n\n /// @dev Fetches token balances and allowances of an address to given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Encoded data that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balance of asset and allowance set to given proxy of asset.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalanceAndAllowance(address target, bytes memory assetData)\n public\n view\n returns (uint256 balance, uint256 allowance)\n {\n bytes4 assetProxyId = assetData.readBytes4(0);\n address token = assetData.readAddress(16);\n address assetProxy = EXCHANGE.getAssetProxy(assetProxyId);\n\n if (assetProxyId == ERC20_DATA_ID) {\n // Query balance\n balance = IERC20Token(token).balanceOf(target);\n\n // Query allowance\n allowance = IERC20Token(token).allowance(target, assetProxy);\n } else if (assetProxyId == ERC721_DATA_ID) {\n uint256 tokenId = assetData.readUint256(36);\n\n // Query owner of tokenId\n address owner = getERC721TokenOwner(token, tokenId);\n\n // Set balance to 1 if tokenId is owned by target\n balance = target == owner ? 1 : 0;\n\n // Check if ERC721Proxy is approved to spend tokenId\n bool isApproved = IERC721Token(token).isApprovedForAll(target, assetProxy) || IERC721Token(token).getApproved(tokenId) == assetProxy;\n \n // Set alowance to 1 if ERC721Proxy is approved to spend tokenId\n allowance = isApproved ? 1 : 0;\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n return (balance, allowance);\n }\n\n /// @dev Fetches token balances and allowances of an address for each given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Array of encoded byte arrays that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balances and allowances of assets.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalancesAndAllowances(address target, bytes[] memory assetData)\n public\n view\n returns (uint256[] memory, uint256[] memory)\n {\n uint256 length = assetData.length;\n uint256[] memory balances = new uint256[](length);\n uint256[] memory allowances = new uint256[](length);\n for (uint256 i = 0; i != length; i++) {\n (balances[i], allowances[i]) = getBalanceAndAllowance(target, assetData[i]);\n }\n return (balances, allowances);\n }\n\n /// @dev Calls `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token.\n /// @param token Address of ERC721 token.\n /// @param tokenId The identifier for the specific NFT.\n /// @return Owner of tokenId or null address if unowned.\n function getERC721TokenOwner(address token, uint256 tokenId)\n public\n view\n returns (address owner)\n {\n assembly {\n // load free memory pointer\n let cdStart := mload(64)\n\n // bytes4(keccak256(ownerOf(uint256))) = 0x6352211e\n mstore(cdStart, 0x6352211e00000000000000000000000000000000000000000000000000000000)\n mstore(add(cdStart, 4), tokenId)\n\n // staticcall `ownerOf(tokenId)`\n // `ownerOf` will revert if tokenId is not owned\n let success := staticcall(\n gas, // forward all gas\n token, // call token contract\n cdStart, // start of calldata\n 36, // length of input is 36 bytes\n cdStart, // write output over input\n 32 // size of output is 32 bytes\n )\n\n // Success implies that tokenId is owned\n // Copy owner from return data if successful\n if success {\n owner := mload(cdStart)\n } \n }\n\n // Owner initialized to address(0), no need to modify if call is unsuccessful\n return owner;\n }\n}\n", - "2.0.0/multisig/MultiSigWallet.sol": "// solhint-disable\npragma solidity ^0.4.15;\n\n\n/// @title Multisignature wallet - Allows multiple parties to agree on transactions before execution.\n/// @author Stefan George - \ncontract MultiSigWallet {\n\n /*\n * Events\n */\n event Confirmation(address indexed sender, uint indexed transactionId);\n event Revocation(address indexed sender, uint indexed transactionId);\n event Submission(uint indexed transactionId);\n event Execution(uint indexed transactionId);\n event ExecutionFailure(uint indexed transactionId);\n event Deposit(address indexed sender, uint value);\n event OwnerAddition(address indexed owner);\n event OwnerRemoval(address indexed owner);\n event RequirementChange(uint required);\n\n /*\n * Constants\n */\n uint constant public MAX_OWNER_COUNT = 50;\n\n /*\n * Storage\n */\n mapping (uint => Transaction) public transactions;\n mapping (uint => mapping (address => bool)) public confirmations;\n mapping (address => bool) public isOwner;\n address[] public owners;\n uint public required;\n uint public transactionCount;\n\n struct Transaction {\n address destination;\n uint value;\n bytes data;\n bool executed;\n }\n\n /*\n * Modifiers\n */\n modifier onlyWallet() {\n require(msg.sender == address(this));\n _;\n }\n\n modifier ownerDoesNotExist(address owner) {\n require(!isOwner[owner]);\n _;\n }\n\n modifier ownerExists(address owner) {\n require(isOwner[owner]);\n _;\n }\n\n modifier transactionExists(uint transactionId) {\n require(transactions[transactionId].destination != 0);\n _;\n }\n\n modifier confirmed(uint transactionId, address owner) {\n require(confirmations[transactionId][owner]);\n _;\n }\n\n modifier notConfirmed(uint transactionId, address owner) {\n require(!confirmations[transactionId][owner]);\n _;\n }\n\n modifier notExecuted(uint transactionId) {\n require(!transactions[transactionId].executed);\n _;\n }\n\n modifier notNull(address _address) {\n require(_address != 0);\n _;\n }\n\n modifier validRequirement(uint ownerCount, uint _required) {\n require(ownerCount <= MAX_OWNER_COUNT\n && _required <= ownerCount\n && _required != 0\n && ownerCount != 0);\n _;\n }\n\n /// @dev Fallback function allows to deposit ether.\n function()\n payable\n {\n if (msg.value > 0)\n Deposit(msg.sender, msg.value);\n }\n\n /*\n * Public functions\n */\n /// @dev Contract constructor sets initial owners and required number of confirmations.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n function MultiSigWallet(address[] _owners, uint _required)\n public\n validRequirement(_owners.length, _required)\n {\n for (uint i=0; i<_owners.length; i++) {\n require(!isOwner[_owners[i]] && _owners[i] != 0);\n isOwner[_owners[i]] = true;\n }\n owners = _owners;\n required = _required;\n }\n\n /// @dev Allows to add a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of new owner.\n function addOwner(address owner)\n public\n onlyWallet\n ownerDoesNotExist(owner)\n notNull(owner)\n validRequirement(owners.length + 1, required)\n {\n isOwner[owner] = true;\n owners.push(owner);\n OwnerAddition(owner);\n }\n\n /// @dev Allows to remove an owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner.\n function removeOwner(address owner)\n public\n onlyWallet\n ownerExists(owner)\n {\n isOwner[owner] = false;\n for (uint i=0; i owners.length)\n changeRequirement(owners.length);\n OwnerRemoval(owner);\n }\n\n /// @dev Allows to replace an owner with a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner to be replaced.\n /// @param newOwner Address of new owner.\n function replaceOwner(address owner, address newOwner)\n public\n onlyWallet\n ownerExists(owner)\n ownerDoesNotExist(newOwner)\n {\n for (uint i=0; i\n// solhint-disable not-rely-on-time\ncontract MultiSigWalletWithTimeLock is\n MultiSigWallet\n{\n event ConfirmationTimeSet(uint256 indexed transactionId, uint256 confirmationTime);\n event TimeLockChange(uint256 secondsTimeLocked);\n\n uint256 public secondsTimeLocked;\n\n mapping (uint256 => uint256) public confirmationTimes;\n\n modifier notFullyConfirmed(uint256 transactionId) {\n require(\n !isConfirmed(transactionId),\n \"TX_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier fullyConfirmed(uint256 transactionId) {\n require(\n isConfirmed(transactionId),\n \"TX_NOT_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier pastTimeLock(uint256 transactionId) {\n require(\n block.timestamp >= confirmationTimes[transactionId] + secondsTimeLocked,\n \"TIME_LOCK_INCOMPLETE\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations, and time lock.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] _owners,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWallet(_owners, _required)\n {\n secondsTimeLocked = _secondsTimeLocked;\n }\n\n /// @dev Changes the duration of the time lock for transactions.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n function changeTimeLock(uint256 _secondsTimeLocked)\n public\n onlyWallet\n {\n secondsTimeLocked = _secondsTimeLocked;\n emit TimeLockChange(_secondsTimeLocked);\n }\n\n /// @dev Allows an owner to confirm a transaction.\n /// @param transactionId Transaction ID.\n function confirmTransaction(uint256 transactionId)\n public\n ownerExists(msg.sender)\n transactionExists(transactionId)\n notConfirmed(transactionId, msg.sender)\n notFullyConfirmed(transactionId)\n {\n confirmations[transactionId][msg.sender] = true;\n emit Confirmation(msg.sender, transactionId);\n if (isConfirmed(transactionId)) {\n setConfirmationTime(transactionId, block.timestamp);\n }\n }\n\n /// @dev Allows anyone to execute a confirmed transaction.\n /// @param transactionId Transaction ID.\n function executeTransaction(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n pastTimeLock(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n\n /// @dev Sets the time of when a submission first passed.\n function setConfirmationTime(uint256 transactionId, uint256 confirmationTime)\n internal\n {\n confirmationTimes[transactionId] = confirmationTime;\n emit ConfirmationTimeSet(transactionId, confirmationTime);\n }\n}\n", - "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC20Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n \n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 1 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n\n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. amount |\n\n /////// Read token address from calldata ///////\n // * The token address is stored in `assetData`.\n //\n // * The \"offset to assetData\" is stored at offset 4 in the calldata (table 1).\n // [assetDataOffsetFromParams = calldataload(4)]\n //\n // * Notes that the \"offset to assetData\" is relative to the \"Params\" area of calldata;\n // add 4 bytes to account for the length of the \"Header\" area (table 1).\n // [assetDataOffsetFromHeader = assetDataOffsetFromParams + 4]\n //\n // * The \"token address\" is offset 32+4=36 bytes into \"assetData\" (tables 1 & 2).\n // [tokenOffset = assetDataOffsetFromHeader + 36 = calldataload(4) + 4 + 36]\n let token := calldataload(add(calldataload(4), 40))\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from`, `to` and `amount` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 96)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output over input\n 32 // output size should be 32 bytes\n )\n\n /////// Check return data. ///////\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // nonzero 32 bytes value.\n // So the transfer succeeded if the call succeeded and either\n // returned nothing, or returned a non-zero 32 byte value. \n success := and(success, or(\n iszero(returndatasize),\n and(\n eq(returndatasize, 32),\n gt(mload(0), 0)\n )\n ))\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", - "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC721Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 2 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n // | | 36 | | 2. tokenId |\n \n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. tokenId |\n\n // There exists only 1 of each token.\n // require(amount == 1, \"INVALID_AMOUNT\")\n if sub(calldataload(100), 1) {\n // Revert with `Error(\"INVALID_AMOUNT\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from` and `to` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 64)\n\n // Copy `tokenId` field from our own calldata to the new calldata.\n let assetDataOffset := calldataload(4)\n calldatacopy(68, add(assetDataOffset, 72), 32)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let token := calldataload(add(assetDataOffset, 40))\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output to null\n 0 // output size is 0 bytes\n )\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", - "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAuthorizable.sol\";\n\n\ncontract MixinAuthorizable is\n Ownable,\n MAuthorizable\n{\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized {\n require(\n authorized[msg.sender],\n \"SENDER_NOT_AUTHORIZED\"\n );\n _;\n }\n\n mapping (address => bool) public authorized;\n address[] public authorities;\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n !authorized[target],\n \"TARGET_ALREADY_AUTHORIZED\"\n );\n\n authorized[target] = true;\n authorities.push(target);\n emit AuthorizedAddressAdded(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n\n delete authorized[target];\n for (uint256 i = 0; i < authorities.length; i++) {\n if (authorities[i] == target) {\n authorities[i] = authorities[authorities.length - 1];\n authorities.length -= 1;\n break;\n }\n }\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n require(\n index < authorities.length,\n \"INDEX_OUT_OF_BOUNDS\"\n );\n require(\n authorities[index] == target,\n \"AUTHORIZED_ADDRESS_MISMATCH\"\n );\n\n delete authorized[target];\n authorities[index] = authorities[authorities.length - 1];\n authorities.length -= 1;\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory)\n {\n return authorities;\n }\n}\n", - "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IAuthorizable.sol\";\n\n\ncontract IAssetProxy is\n IAuthorizable\n{\n /// @dev Transfers assets. Either succeeds or throws.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n function transferFrom(\n bytes assetData,\n address from,\n address to,\n uint256 amount\n )\n external;\n \n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4);\n}\n", - "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/Ownable/IOwnable.sol\";\n\n\ncontract IAuthorizable is\n IOwnable\n{\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external;\n \n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory);\n}\n", - "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAuthorizable.sol\";\n\n\ncontract MAuthorizable is\n IAuthorizable\n{\n // Event logged when a new address is authorized.\n event AuthorizedAddressAdded(\n address indexed target,\n address indexed caller\n );\n\n // Event logged when a currently authorized address is unauthorized.\n event AuthorizedAddressRemoved(\n address indexed target,\n address indexed caller\n );\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized { revert(); _; }\n}\n", - "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../multisig/MultiSigWalletWithTimeLock.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract AssetProxyOwner is\n MultiSigWalletWithTimeLock\n{\n using LibBytes for bytes;\n\n event AssetProxyRegistration(address assetProxyContract, bool isRegistered);\n\n // Mapping of AssetProxy contract address =>\n // if this contract is allowed to call the AssetProxy's `removeAuthorizedAddressAtIndex` method without a time lock.\n mapping (address => bool) public isAssetProxyRegistered;\n\n bytes4 constant internal REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR = bytes4(keccak256(\"removeAuthorizedAddressAtIndex(address,uint256)\"));\n\n /// @dev Function will revert if the transaction does not call `removeAuthorizedAddressAtIndex`\n /// on an approved AssetProxy contract.\n modifier validRemoveAuthorizedAddressAtIndexTx(uint256 transactionId) {\n Transaction storage txn = transactions[transactionId];\n require(\n isAssetProxyRegistered[txn.destination],\n \"UNREGISTERED_ASSET_PROXY\"\n );\n require(\n txn.data.readBytes4(0) == REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR,\n \"INVALID_FUNCTION_SELECTOR\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations,\n /// time lock, and list of AssetProxy addresses.\n /// @param _owners List of initial owners.\n /// @param _assetProxyContracts Array of AssetProxy contract addresses.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] memory _owners,\n address[] memory _assetProxyContracts,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWalletWithTimeLock(_owners, _required, _secondsTimeLocked)\n {\n for (uint256 i = 0; i < _assetProxyContracts.length; i++) {\n address assetProxy = _assetProxyContracts[i];\n require(\n assetProxy != address(0),\n \"INVALID_ASSET_PROXY\"\n );\n isAssetProxyRegistered[assetProxy] = true;\n }\n }\n\n /// @dev Registers or deregisters an AssetProxy to be able to execute\n /// `removeAuthorizedAddressAtIndex` without a timelock.\n /// @param assetProxyContract Address of AssetProxy contract.\n /// @param isRegistered Status of approval for AssetProxy contract.\n function registerAssetProxy(address assetProxyContract, bool isRegistered)\n public\n onlyWallet\n notNull(assetProxyContract)\n {\n isAssetProxyRegistered[assetProxyContract] = isRegistered;\n emit AssetProxyRegistration(assetProxyContract, isRegistered);\n }\n\n /// @dev Allows execution of `removeAuthorizedAddressAtIndex` without time lock.\n /// @param transactionId Transaction ID.\n function executeRemoveAuthorizedAddressAtIndex(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n validRemoveAuthorizedAddressAtIndexTx(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n}\n", - "2.0.0/protocol/Exchange/Exchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinExchangeCore.sol\";\nimport \"./MixinSignatureValidator.sol\";\nimport \"./MixinWrapperFunctions.sol\";\nimport \"./MixinAssetProxyDispatcher.sol\";\nimport \"./MixinTransactions.sol\";\nimport \"./MixinMatchOrders.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Exchange is\n MixinExchangeCore,\n MixinMatchOrders,\n MixinSignatureValidator,\n MixinTransactions,\n MixinAssetProxyDispatcher,\n MixinWrapperFunctions\n{\n string constant public VERSION = \"2.0.0\";\n\n // Mixins are instantiated in the order they are inherited\n constructor ()\n public\n MixinExchangeCore()\n MixinMatchOrders()\n MixinSignatureValidator()\n MixinTransactions()\n MixinAssetProxyDispatcher()\n MixinWrapperFunctions()\n {}\n}\n", - "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\nimport \"../AssetProxy/interfaces/IAssetProxy.sol\";\n\n\ncontract MixinAssetProxyDispatcher is\n Ownable,\n MAssetProxyDispatcher\n{\n // Mapping from Asset Proxy Id's to their respective Asset Proxy\n mapping (bytes4 => IAssetProxy) public assetProxies;\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external\n onlyOwner\n {\n IAssetProxy assetProxyContract = IAssetProxy(assetProxy);\n\n // Ensure that no asset proxy exists with current id.\n bytes4 assetProxyId = assetProxyContract.getProxyId();\n address currentAssetProxy = assetProxies[assetProxyId];\n require(\n currentAssetProxy == address(0),\n \"ASSET_PROXY_ALREADY_EXISTS\"\n );\n\n // Add asset proxy and log registration.\n assetProxies[assetProxyId] = assetProxyContract;\n emit AssetProxyRegistered(\n assetProxyId,\n assetProxy\n );\n }\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address)\n {\n return assetProxies[assetProxyId];\n }\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal\n {\n // Do nothing if no amount should be transferred.\n if (amount > 0 && from != to) {\n // Ensure assetData length is valid\n require(\n assetData.length > 3,\n \"LENGTH_GREATER_THAN_3_REQUIRED\"\n );\n \n // Lookup assetProxy. We do not use `LibBytes.readBytes4` for gas efficiency reasons.\n bytes4 assetProxyId;\n assembly {\n assetProxyId := and(mload(\n add(assetData, 32)),\n 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000\n )\n }\n address assetProxy = assetProxies[assetProxyId];\n\n // Ensure that assetProxy exists\n require(\n assetProxy != address(0),\n \"ASSET_PROXY_DOES_NOT_EXIST\"\n );\n \n // We construct calldata for the `assetProxy.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n\n assembly {\n /////// Setup State ///////\n // `cdStart` is the start of the calldata for `assetProxy.transferFrom` (equal to free memory ptr).\n let cdStart := mload(64)\n // `dataAreaLength` is the total number of words needed to store `assetData`\n // As-per the ABI spec, this value is padded up to the nearest multiple of 32,\n // and includes 32-bytes for length.\n let dataAreaLength := and(add(mload(assetData), 63), 0xFFFFFFFFFFFE0)\n // `cdEnd` is the end of the calldata for `assetProxy.transferFrom`.\n let cdEnd := add(cdStart, add(132, dataAreaLength))\n\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFromSelector`.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes.\n // Notes:\n // 1. The offset to `assetData` is the length of the Params Area (128 bytes).\n // 2. A 20-byte mask is applied to addresses to zero-out the unused bytes.\n mstore(add(cdStart, 4), 128)\n mstore(add(cdStart, 36), and(from, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 68), and(to, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 100), amount)\n \n /////// Setup Data Area ///////\n // This area holds `assetData`.\n let dataArea := add(cdStart, 132)\n // solhint-disable-next-line no-empty-blocks\n for {} lt(dataArea, cdEnd) {} {\n mstore(dataArea, mload(assetData))\n dataArea := add(dataArea, 32)\n assetData := add(assetData, 32)\n }\n\n /////// Call `assetProxy.transferFrom` using the constructed calldata ///////\n let success := call(\n gas, // forward all gas\n assetProxy, // call address of asset proxy\n 0, // don't send any ETH\n cdStart, // pointer to start of input\n sub(cdEnd, cdStart), // length of input \n cdStart, // write output over input\n 512 // reserve 512 bytes for output\n )\n if iszero(success) {\n revert(cdStart, returndatasize())\n }\n }\n }\n }\n}\n", - "2.0.0/protocol/Exchange/MixinExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinExchangeCore is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n LibOrder,\n LibFillResults,\n MAssetProxyDispatcher,\n MExchangeCore,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of orderHash => amount of takerAsset already bought by maker\n mapping (bytes32 => uint256) public filled;\n\n // Mapping of orderHash => cancelled\n mapping (bytes32 => bool) public cancelled;\n\n // Mapping of makerAddress => senderAddress => lowest salt an order can have in order to be fillable\n // Orders with specified senderAddress and with a salt less than their epoch are considered cancelled\n mapping (address => mapping (address => uint256)) public orderEpoch;\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external\n nonReentrant\n {\n address makerAddress = getCurrentContextAddress();\n // If this function is called via `executeTransaction`, we only update the orderEpoch for the makerAddress/msg.sender combination.\n // This allows external filter contracts to add rules to how orders are cancelled via this function.\n address senderAddress = makerAddress == msg.sender ? address(0) : msg.sender;\n\n // orderEpoch is initialized to 0, so to cancelUpTo we need salt + 1\n uint256 newOrderEpoch = targetOrderEpoch + 1; \n uint256 oldOrderEpoch = orderEpoch[makerAddress][senderAddress];\n\n // Ensure orderEpoch is monotonically increasing\n require(\n newOrderEpoch > oldOrderEpoch, \n \"INVALID_NEW_ORDER_EPOCH\"\n );\n\n // Update orderEpoch\n orderEpoch[makerAddress][senderAddress] = newOrderEpoch;\n emit CancelUpTo(\n makerAddress,\n senderAddress,\n newOrderEpoch\n );\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrder(Order memory order)\n public\n nonReentrant\n {\n cancelOrderInternal(order);\n }\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(Order memory order)\n public\n view\n returns (OrderInfo memory orderInfo)\n {\n // Compute the order hash\n orderInfo.orderHash = getOrderHash(order);\n\n // Fetch filled amount\n orderInfo.orderTakerAssetFilledAmount = filled[orderInfo.orderHash];\n\n // If order.makerAssetAmount is zero, we also reject the order.\n // While the Exchange contract handles them correctly, they create\n // edge cases in the supporting infrastructure because they have\n // an 'infinite' price when computed by a simple division.\n if (order.makerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_MAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // If order.takerAssetAmount is zero, then the order will always\n // be considered filled because 0 == takerAssetAmount == orderTakerAssetFilledAmount\n // Instead of distinguishing between unfilled and filled zero taker\n // amount orders, we choose not to support them.\n if (order.takerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_TAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // Validate order availability\n if (orderInfo.orderTakerAssetFilledAmount >= order.takerAssetAmount) {\n orderInfo.orderStatus = uint8(OrderStatus.FULLY_FILLED);\n return orderInfo;\n }\n\n // Validate order expiration\n // solhint-disable-next-line not-rely-on-time\n if (block.timestamp >= order.expirationTimeSeconds) {\n orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);\n return orderInfo;\n }\n\n // Check if order has been cancelled\n if (cancelled[orderInfo.orderHash]) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n if (orderEpoch[order.makerAddress][order.senderAddress] > order.salt) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n\n // All other statuses are ruled out: order is Fillable\n orderInfo.orderStatus = uint8(OrderStatus.FILLABLE);\n return orderInfo;\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // Fetch order info\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Assert that the order is fillable by taker\n assertFillableOrder(\n order,\n orderInfo,\n takerAddress,\n signature\n );\n \n // Get amount of takerAsset to fill\n uint256 remainingTakerAssetAmount = safeSub(order.takerAssetAmount, orderInfo.orderTakerAssetFilledAmount);\n uint256 takerAssetFilledAmount = min256(takerAssetFillAmount, remainingTakerAssetAmount);\n\n // Validate context\n assertValidFill(\n order,\n orderInfo,\n takerAssetFillAmount,\n takerAssetFilledAmount,\n fillResults.makerAssetFilledAmount\n );\n\n // Compute proportional fill amounts\n fillResults = calculateFillResults(order, takerAssetFilledAmount);\n\n // Update exchange internal state\n updateFilledState(\n order,\n takerAddress,\n orderInfo.orderHash,\n orderInfo.orderTakerAssetFilledAmount,\n fillResults\n );\n \n // Settle order\n settleOrder(\n order,\n takerAddress,\n fillResults\n );\n\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrderInternal(Order memory order)\n internal\n {\n // Fetch current order status\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Validate context\n assertValidCancel(order, orderInfo);\n\n // Perform cancel\n updateCancelledState(order, orderInfo.orderHash);\n }\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n function updateFilledState(\n Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n FillResults memory fillResults\n )\n internal\n {\n // Update state\n filled[orderHash] = safeAdd(orderTakerAssetFilledAmount, fillResults.takerAssetFilledAmount);\n\n // Log order\n emit Fill(\n order.makerAddress,\n order.feeRecipientAddress,\n takerAddress,\n msg.sender,\n fillResults.makerAssetFilledAmount,\n fillResults.takerAssetFilledAmount,\n fillResults.makerFeePaid,\n fillResults.takerFeePaid,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n Order memory order,\n bytes32 orderHash\n )\n internal\n {\n // Perform cancel\n cancelled[orderHash] = true;\n\n // Log cancel\n emit Cancel(\n order.makerAddress,\n order.feeRecipientAddress,\n msg.sender,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n Order memory order,\n OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view\n {\n // An order can only be filled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n \n // Validate sender is allowed to fill this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n \n // Validate taker is allowed to fill this order\n if (order.takerAddress != address(0)) {\n require(\n order.takerAddress == takerAddress,\n \"INVALID_TAKER\"\n );\n }\n \n // Validate Maker signature (check only if first time seen)\n if (orderInfo.orderTakerAssetFilledAmount == 0) {\n require(\n isValidSignature(\n orderInfo.orderHash,\n order.makerAddress,\n signature\n ),\n \"INVALID_ORDER_SIGNATURE\"\n );\n }\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n Order memory order,\n OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount, // TODO: use FillResults\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view\n {\n // Revert if fill amount is invalid\n // TODO: reconsider necessity for v2.1\n require(\n takerAssetFillAmount != 0,\n \"INVALID_TAKER_AMOUNT\"\n );\n \n // Make sure taker does not pay more than desired amount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n takerAssetFilledAmount <= takerAssetFillAmount,\n \"TAKER_OVERPAY\"\n );\n \n // Make sure order is not overfilled\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeAdd(orderInfo.orderTakerAssetFilledAmount, takerAssetFilledAmount) <= order.takerAssetAmount,\n \"ORDER_OVERFILL\"\n );\n \n // Make sure order is filled at acceptable price.\n // The order has an implied price from the makers perspective:\n // order price = order.makerAssetAmount / order.takerAssetAmount\n // i.e. the number of makerAsset maker is paying per takerAsset. The\n // maker is guaranteed to get this price or a better (lower) one. The\n // actual price maker is getting in this fill is:\n // fill price = makerAssetFilledAmount / takerAssetFilledAmount\n // We need `fill price <= order price` for the fill to be fair to maker.\n // This amounts to:\n // makerAssetFilledAmount order.makerAssetAmount\n // ------------------------ <= -----------------------\n // takerAssetFilledAmount order.takerAssetAmount\n // or, equivalently:\n // makerAssetFilledAmount * order.takerAssetAmount <=\n // order.makerAssetAmount * takerAssetFilledAmount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeMul(makerAssetFilledAmount, order.takerAssetAmount)\n <= \n safeMul(order.makerAssetAmount, takerAssetFilledAmount),\n \"INVALID_FILL_PRICE\"\n );\n }\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n Order memory order,\n OrderInfo memory orderInfo\n )\n internal\n view\n {\n // Ensure order is valid\n // An order can only be cancelled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Validate sender is allowed to cancel this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate transaction signed by maker\n address makerAddress = getCurrentContextAddress();\n require(\n order.makerAddress == makerAddress,\n \"INVALID_MAKER\"\n );\n }\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (FillResults memory fillResults)\n {\n // Compute proportional transfer amounts\n fillResults.takerAssetFilledAmount = takerAssetFilledAmount;\n fillResults.makerAssetFilledAmount = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n );\n fillResults.makerFeePaid = safeGetPartialAmountFloor(\n fillResults.makerAssetFilledAmount,\n order.makerAssetAmount,\n order.makerFee\n );\n fillResults.takerFeePaid = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.takerFee\n );\n\n return fillResults;\n }\n\n /// @dev Settles an order by transferring assets between counterparties.\n /// @param order Order struct containing order specifications.\n /// @param takerAddress Address selling takerAsset and buying makerAsset.\n /// @param fillResults Amounts to be filled and fees paid by maker and taker.\n function settleOrder(\n LibOrder.Order memory order,\n address takerAddress,\n LibFillResults.FillResults memory fillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n dispatchTransferFrom(\n order.makerAssetData,\n order.makerAddress,\n takerAddress,\n fillResults.makerAssetFilledAmount\n );\n dispatchTransferFrom(\n order.takerAssetData,\n takerAddress,\n order.makerAddress,\n fillResults.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n zrxAssetData,\n order.makerAddress,\n order.feeRecipientAddress,\n fillResults.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n order.feeRecipientAddress,\n fillResults.takerFeePaid\n );\n }\n}\n", - "2.0.0/protocol/Exchange/MixinMatchOrders.sol": "/*\n Copyright 2018 ZeroEx Intl.\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n http://www.apache.org/licenses/LICENSE-2.0\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MMatchOrders.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinMatchOrders is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n MAssetProxyDispatcher,\n MExchangeCore,\n MMatchOrders,\n MTransactions\n{\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n nonReentrant\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We assume that rightOrder.takerAssetData == leftOrder.makerAssetData and rightOrder.makerAssetData == leftOrder.takerAssetData.\n // If this assumption isn't true, the match will fail at signature validation.\n rightOrder.makerAssetData = leftOrder.takerAssetData;\n rightOrder.takerAssetData = leftOrder.makerAssetData;\n\n // Get left & right order info\n LibOrder.OrderInfo memory leftOrderInfo = getOrderInfo(leftOrder);\n LibOrder.OrderInfo memory rightOrderInfo = getOrderInfo(rightOrder);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Either our context is valid or we revert\n assertFillableOrder(\n leftOrder,\n leftOrderInfo,\n takerAddress,\n leftSignature\n );\n assertFillableOrder(\n rightOrder,\n rightOrderInfo,\n takerAddress,\n rightSignature\n );\n assertValidMatch(leftOrder, rightOrder);\n\n // Compute proportional fill amounts\n matchedFillResults = calculateMatchedFillResults(\n leftOrder,\n rightOrder,\n leftOrderInfo.orderTakerAssetFilledAmount,\n rightOrderInfo.orderTakerAssetFilledAmount\n );\n\n // Validate fill contexts\n assertValidFill(\n leftOrder,\n leftOrderInfo,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.makerAssetFilledAmount\n );\n assertValidFill(\n rightOrder,\n rightOrderInfo,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n \n // Update exchange state\n updateFilledState(\n leftOrder,\n takerAddress,\n leftOrderInfo.orderHash,\n leftOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.left\n );\n updateFilledState(\n rightOrder,\n takerAddress,\n rightOrderInfo.orderHash,\n rightOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.right\n );\n\n // Settle matched orders. Succeeds or throws.\n settleMatchedOrders(\n leftOrder,\n rightOrder,\n takerAddress,\n matchedFillResults\n );\n\n return matchedFillResults;\n }\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure\n {\n // Make sure there is a profitable spread.\n // There is a profitable spread iff the cost per unit bought (OrderA.MakerAmount/OrderA.TakerAmount) for each order is greater\n // than the profit per unit sold of the matched order (OrderB.TakerAmount/OrderB.MakerAmount).\n // This is satisfied by the equations below:\n // / >= / \n // AND\n // / >= / \n // These equations can be combined to get the following:\n require(\n safeMul(leftOrder.makerAssetAmount, rightOrder.makerAssetAmount) >=\n safeMul(leftOrder.takerAssetAmount, rightOrder.takerAssetAmount),\n \"NEGATIVE_SPREAD_REQUIRED\"\n );\n }\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // Derive maker asset amounts for left & right orders, given store taker assert amounts\n uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);\n uint256 leftMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n leftTakerAssetAmountRemaining\n );\n uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);\n uint256 rightMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n rightOrder.makerAssetAmount,\n rightOrder.takerAssetAmount,\n rightTakerAssetAmountRemaining\n );\n\n // Calculate fill results for maker and taker assets: at least one order will be fully filled.\n // The maximum amount the left maker can buy is `leftTakerAssetAmountRemaining`\n // The maximum amount the right maker can sell is `rightMakerAssetAmountRemaining`\n // We have two distinct cases for calculating the fill results:\n // Case 1.\n // If the left maker can buy more than the right maker can sell, then only the right order is fully filled.\n // If the left maker can buy exactly what the right maker can sell, then both orders are fully filled.\n // Case 2.\n // If the left maker cannot buy more than the right maker can sell, then only the left order is fully filled.\n if (leftTakerAssetAmountRemaining >= rightMakerAssetAmountRemaining) {\n // Case 1: Right order is fully filled\n matchedFillResults.right.makerAssetFilledAmount = rightMakerAssetAmountRemaining;\n matchedFillResults.right.takerAssetFilledAmount = rightTakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = matchedFillResults.right.makerAssetFilledAmount;\n // Round down to ensure the maker's exchange rate does not exceed the price specified by the order. \n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.left.makerAssetFilledAmount = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n matchedFillResults.left.takerAssetFilledAmount\n );\n } else {\n // Case 2: Left order is fully filled\n matchedFillResults.left.makerAssetFilledAmount = leftMakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = leftTakerAssetAmountRemaining;\n matchedFillResults.right.makerAssetFilledAmount = matchedFillResults.left.takerAssetFilledAmount;\n // Round up to ensure the maker's exchange rate does not exceed the price specified by the order.\n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.right.takerAssetFilledAmount = safeGetPartialAmountCeil(\n rightOrder.takerAssetAmount,\n rightOrder.makerAssetAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n }\n\n // Calculate amount given to taker\n matchedFillResults.leftMakerAssetSpreadAmount = safeSub(\n matchedFillResults.left.makerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount\n );\n\n // Compute fees for left order\n matchedFillResults.left.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.makerAssetFilledAmount,\n leftOrder.makerAssetAmount,\n leftOrder.makerFee\n );\n matchedFillResults.left.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.takerAssetFilledAmount,\n leftOrder.takerAssetAmount,\n leftOrder.takerFee\n );\n\n // Compute fees for right order\n matchedFillResults.right.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.makerAssetFilledAmount,\n rightOrder.makerAssetAmount,\n rightOrder.makerFee\n );\n matchedFillResults.right.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.takerAssetFilledAmount,\n rightOrder.takerAssetAmount,\n rightOrder.takerFee\n );\n\n // Return fill results\n return matchedFillResults;\n }\n\n /// @dev Settles matched order by transferring appropriate funds between order makers, taker, and fee recipient.\n /// @param leftOrder First matched order.\n /// @param rightOrder Second matched order.\n /// @param takerAddress Address that matched the orders. The taker receives the spread between orders as profit.\n /// @param matchedFillResults Struct holding amounts to transfer between makers, taker, and fee recipients.\n function settleMatchedOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n address takerAddress,\n LibFillResults.MatchedFillResults memory matchedFillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n // Order makers and taker\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n rightOrder.makerAddress,\n matchedFillResults.right.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n rightOrder.makerAssetData,\n rightOrder.makerAddress,\n leftOrder.makerAddress,\n matchedFillResults.left.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n takerAddress,\n matchedFillResults.leftMakerAssetSpreadAmount\n );\n\n // Maker fees\n dispatchTransferFrom(\n zrxAssetData,\n leftOrder.makerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n rightOrder.makerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.makerFeePaid\n );\n\n // Taker fees\n if (leftOrder.feeRecipientAddress == rightOrder.feeRecipientAddress) {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n safeAdd(\n matchedFillResults.left.takerFeePaid,\n matchedFillResults.right.takerFeePaid\n )\n );\n } else {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.takerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.takerFeePaid\n );\n }\n }\n}\n", - "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./interfaces/IWallet.sol\";\nimport \"./interfaces/IValidator.sol\";\n\n\ncontract MixinSignatureValidator is\n ReentrancyGuard,\n MSignatureValidator,\n MTransactions\n{\n using LibBytes for bytes;\n \n // Mapping of hash => signer => signed\n mapping (bytes32 => mapping (address => bool)) public preSigned;\n\n // Mapping of signer => validator => approved\n mapping (address => mapping (address => bool)) public allowedValidators;\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n {\n if (signerAddress != msg.sender) {\n require(\n isValidSignature(\n hash,\n signerAddress,\n signature\n ),\n \"INVALID_SIGNATURE\"\n );\n }\n preSigned[hash][signerAddress] = true;\n }\n\n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external\n nonReentrant\n {\n address signerAddress = getCurrentContextAddress();\n allowedValidators[signerAddress][validatorAddress] = approval;\n emit SignatureValidatorApproval(\n signerAddress,\n validatorAddress,\n approval\n );\n }\n\n /// @dev Verifies that a hash has been signed by the given signer.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid)\n {\n require(\n signature.length > 0,\n \"LENGTH_GREATER_THAN_0_REQUIRED\"\n );\n\n // Pop last byte off of signature byte array.\n uint8 signatureTypeRaw = uint8(signature.popLastByte());\n\n // Ensure signature is supported\n require(\n signatureTypeRaw < uint8(SignatureType.NSignatureTypes),\n \"SIGNATURE_UNSUPPORTED\"\n );\n\n SignatureType signatureType = SignatureType(signatureTypeRaw);\n\n // Variables are not scoped in Solidity.\n uint8 v;\n bytes32 r;\n bytes32 s;\n address recovered;\n\n // Always illegal signature.\n // This is always an implicit option since a signer can create a\n // signature array with invalid type or length. We may as well make\n // it an explicit option. This aids testing and analysis. It is\n // also the initialization value for the enum type.\n if (signatureType == SignatureType.Illegal) {\n revert(\"SIGNATURE_ILLEGAL\");\n\n // Always invalid signature.\n // Like Illegal, this is always implicitly available and therefore\n // offered explicitly. It can be implicitly created by providing\n // a correctly formatted but incorrect signature.\n } else if (signatureType == SignatureType.Invalid) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = false;\n return isValid;\n\n // Signature using EIP712\n } else if (signatureType == SignatureType.EIP712) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n hash,\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signed using web3.eth_sign\n } else if (signatureType == SignatureType.EthSign) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n32\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signature verified by wallet contract.\n // If used with an order, the maker of the order is the wallet contract.\n } else if (signatureType == SignatureType.Wallet) {\n isValid = isValidWalletSignature(\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signature verified by validator contract.\n // If used with an order, the maker of the order can still be an EOA.\n // A signature using this type should be encoded as:\n // | Offset | Length | Contents |\n // | 0x00 | x | Signature to validate |\n // | 0x00 + x | 20 | Address of validator contract |\n // | 0x14 + x | 1 | Signature type is always \"\\x06\" |\n } else if (signatureType == SignatureType.Validator) {\n // Pop last 20 bytes off of signature byte array.\n address validatorAddress = signature.popLast20Bytes();\n \n // Ensure signer has approved validator.\n if (!allowedValidators[signerAddress][validatorAddress]) {\n return false;\n }\n isValid = isValidValidatorSignature(\n validatorAddress,\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signer signed hash previously using the preSign function.\n } else if (signatureType == SignatureType.PreSigned) {\n isValid = preSigned[hash][signerAddress];\n return isValid;\n }\n\n // Anything else is illegal (We do not return false because\n // the signature may actually be valid, just not in a format\n // that we currently support. In this case returning false\n // may lead the caller to incorrectly believe that the\n // signature was invalid.)\n revert(\"SIGNATURE_UNSUPPORTED\");\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if signature is valid for given wallet..\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IWallet(walletAddress).isValidSignature.selector,\n hash,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n walletAddress, // address of Wallet contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"WALLET_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000c57414c4c45545f4552524f5200000000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IValidator(signerAddress).isValidSignature.selector,\n hash,\n signerAddress,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n validatorAddress, // address of Validator contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"VALIDATOR_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f56414c494441544f525f4552524f5200000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n}\n", - "2.0.0/protocol/Exchange/MixinTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"./libs/LibExchangeErrors.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./libs/LibEIP712.sol\";\n\n\ncontract MixinTransactions is\n LibEIP712,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of transaction hash => executed\n // This prevents transactions from being executed more than once.\n mapping (bytes32 => bool) public transactions;\n\n // Address of current transaction signer\n address public currentContextAddress;\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external\n {\n // Prevent reentrancy\n require(\n currentContextAddress == address(0),\n \"REENTRANCY_ILLEGAL\"\n );\n\n bytes32 transactionHash = hashEIP712Message(hashZeroExTransaction(\n salt,\n signerAddress,\n data\n ));\n\n // Validate transaction has not been executed\n require(\n !transactions[transactionHash],\n \"INVALID_TX_HASH\"\n );\n\n // Transaction always valid if signer is sender of transaction\n if (signerAddress != msg.sender) {\n // Validate signature\n require(\n isValidSignature(\n transactionHash,\n signerAddress,\n signature\n ),\n \"INVALID_TX_SIGNATURE\"\n );\n\n // Set the current transaction signer\n currentContextAddress = signerAddress;\n }\n\n // Execute transaction\n transactions[transactionHash] = true;\n require(\n address(this).delegatecall(data),\n \"FAILED_EXECUTION\"\n );\n\n // Reset current transaction signer if it was previously updated\n if (signerAddress != msg.sender) {\n currentContextAddress = address(0);\n }\n }\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;\n bytes32 dataHash = keccak256(data);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,\n // salt,\n // bytes32(signerAddress),\n // keccak256(data)\n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, schemaHash) // hash of schema\n mstore(add(memPtr, 32), salt) // salt\n mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff)) // signerAddress\n mstore(add(memPtr, 96), dataHash) // hash of data\n\n // Compute hash\n result := keccak256(memPtr, 128)\n }\n return result;\n }\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address)\n {\n address currentContextAddress_ = currentContextAddress;\n address contextAddress = currentContextAddress_ == address(0) ? msg.sender : currentContextAddress_;\n return contextAddress;\n }\n}\n", - "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibAbiEncoder.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MWrapperFunctions.sol\";\n\n\ncontract MixinWrapperFunctions is\n ReentrancyGuard,\n LibMath,\n LibFillResults,\n LibAbiEncoder,\n MExchangeCore,\n MWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrKillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n // Delegate to `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := delegatecall(\n gas, // forward all gas\n address, // call address of this contract\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrKillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n \n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public\n nonReentrant\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n cancelOrderInternal(orders[i]);\n }\n }\n\n /// @dev Fetches information for all passed in orders.\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n LibOrder.OrderInfo[] memory ordersInfo = new LibOrder.OrderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n ordersInfo[i] = getOrderInfo(orders[i]);\n }\n return ordersInfo;\n }\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n require(\n fillResults.takerAssetFilledAmount == takerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return fillResults;\n }\n}\n", - "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssetProxyDispatcher {\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external;\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IExchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./IExchangeCore.sol\";\nimport \"./IMatchOrders.sol\";\nimport \"./ISignatureValidator.sol\";\nimport \"./ITransactions.sol\";\nimport \"./IAssetProxyDispatcher.sol\";\nimport \"./IWrapperFunctions.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract IExchange is\n IExchangeCore,\n IMatchOrders,\n ISignatureValidator,\n ITransactions,\n IAssetProxyDispatcher,\n IWrapperFunctions\n{}\n", - "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IExchangeCore {\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external;\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrder(LibOrder.Order memory order)\n public;\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(LibOrder.Order memory order)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IMatchOrders {\n\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n}\n", - "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ISignatureValidator {\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external;\n \n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external;\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address of signer.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\n\ncontract ITransactions {\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external;\n}\n", - "2.0.0/protocol/Exchange/interfaces/IValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IValidator {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IWallet {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IWrapperFunctions {\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public;\n\n /// @dev Fetches information for all passed in orders\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory);\n}\n", - "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./LibOrder.sol\";\n\n\ncontract LibAbiEncoder {\n\n /// @dev ABI encodes calldata for `fillOrder`.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return ABI encoded calldata for `fillOrder`.\n function abiEncodeFillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n pure\n returns (bytes memory fillOrderCalldata)\n {\n // We need to call MExchangeCore.fillOrder using a delegatecall in\n // assembly so that we can intercept a call that throws. For this, we\n // need the input encoded in memory in the Ethereum ABIv2 format [1].\n\n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0x00 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 0x00 | | 1. offset to order (*) |\n // | | 0x20 | | 2. takerAssetFillAmount |\n // | | 0x40 | | 3. offset to signature (*) |\n // | Data | | 12 * 32 | order: |\n // | | 0x000 | | 1. senderAddress |\n // | | 0x020 | | 2. makerAddress |\n // | | 0x040 | | 3. takerAddress |\n // | | 0x060 | | 4. feeRecipientAddress |\n // | | 0x080 | | 5. makerAssetAmount |\n // | | 0x0A0 | | 6. takerAssetAmount |\n // | | 0x0C0 | | 7. makerFeeAmount |\n // | | 0x0E0 | | 8. takerFeeAmount |\n // | | 0x100 | | 9. expirationTimeSeconds |\n // | | 0x120 | | 10. salt |\n // | | 0x140 | | 11. Offset to makerAssetData (*) |\n // | | 0x160 | | 12. Offset to takerAssetData (*) |\n // | | 0x180 | 32 | makerAssetData Length |\n // | | 0x1A0 | ** | makerAssetData Contents |\n // | | 0x1C0 | 32 | takerAssetData Length |\n // | | 0x1E0 | ** | takerAssetData Contents |\n // | | 0x200 | 32 | signature Length |\n // | | 0x220 | ** | signature Contents |\n\n // * Offsets are calculated from the beginning of the current area: Header, Params, Data:\n // An offset stored in the Params area is calculated from the beginning of the Params section.\n // An offset stored in the Data area is calculated from the beginning of the Data section.\n\n // ** The length of dynamic array contents are stored in the field immediately preceeding the contents.\n\n // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html\n\n assembly {\n\n // Areas below may use the following variables:\n // 1. Start -- Start of this area in memory\n // 2. End -- End of this area in memory. This value may\n // be precomputed (before writing contents),\n // or it may be computed as contents are written.\n // 3. Offset -- Current offset into area. If an area's End\n // is precomputed, this variable tracks the\n // offsets of contents as they are written.\n\n /////// Setup Header Area ///////\n // Load free memory pointer\n fillOrderCalldata := mload(0x40)\n // bytes4(keccak256(\"fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)\"))\n // = 0xb4be83d5\n // Leave 0x20 bytes to store the length\n mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000)\n let headerAreaEnd := add(fillOrderCalldata, 0x24)\n\n /////// Setup Params Area ///////\n // This area is preallocated and written to later.\n // This is because we need to fill in offsets that have not yet been calculated.\n let paramsAreaStart := headerAreaEnd\n let paramsAreaEnd := add(paramsAreaStart, 0x60)\n let paramsAreaOffset := paramsAreaStart\n\n /////// Setup Data Area ///////\n let dataAreaStart := paramsAreaEnd\n let dataAreaEnd := dataAreaStart\n\n // Offset from the source data we're reading from\n let sourceOffset := order\n // arrayLenBytes and arrayLenWords track the length of a dynamically-allocated bytes array.\n let arrayLenBytes := 0\n let arrayLenWords := 0\n\n /////// Write order Struct ///////\n // Write memory location of Order, relative to the start of the\n // parameter list, then increment the paramsAreaOffset respectively.\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n // Write values for each field in the order\n // It would be nice to use a loop, but we save on gas by writing\n // the stores sequentially.\n mstore(dataAreaEnd, mload(sourceOffset)) // makerAddress\n mstore(add(dataAreaEnd, 0x20), mload(add(sourceOffset, 0x20))) // takerAddress\n mstore(add(dataAreaEnd, 0x40), mload(add(sourceOffset, 0x40))) // feeRecipientAddress\n mstore(add(dataAreaEnd, 0x60), mload(add(sourceOffset, 0x60))) // senderAddress\n mstore(add(dataAreaEnd, 0x80), mload(add(sourceOffset, 0x80))) // makerAssetAmount\n mstore(add(dataAreaEnd, 0xA0), mload(add(sourceOffset, 0xA0))) // takerAssetAmount\n mstore(add(dataAreaEnd, 0xC0), mload(add(sourceOffset, 0xC0))) // makerFeeAmount\n mstore(add(dataAreaEnd, 0xE0), mload(add(sourceOffset, 0xE0))) // takerFeeAmount\n mstore(add(dataAreaEnd, 0x100), mload(add(sourceOffset, 0x100))) // expirationTimeSeconds\n mstore(add(dataAreaEnd, 0x120), mload(add(sourceOffset, 0x120))) // salt\n mstore(add(dataAreaEnd, 0x140), mload(add(sourceOffset, 0x140))) // Offset to makerAssetData\n mstore(add(dataAreaEnd, 0x160), mload(add(sourceOffset, 0x160))) // Offset to takerAssetData\n dataAreaEnd := add(dataAreaEnd, 0x180)\n sourceOffset := add(sourceOffset, 0x180)\n\n // Write offset to \n mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x140)) // makerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Write offset to \n mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x160)) // takerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n /////// Write takerAssetFillAmount ///////\n mstore(paramsAreaOffset, takerAssetFillAmount)\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n /////// Write signature ///////\n // Write offset to paramsArea\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n\n // Calculate length of signature\n sourceOffset := signature\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of signature\n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of signature\n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Set length of calldata\n mstore(fillOrderCalldata, sub(dataAreaEnd, add(fillOrderCalldata, 0x20)))\n\n // Increment free memory pointer\n mstore(0x40, dataAreaEnd)\n }\n\n return fillOrderCalldata;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\n// solhint-disable max-line-length\ncontract LibConstants {\n \n // Asset data for ZRX token. Used for fee transfers.\n // @TODO: Hardcode constant when we deploy. Currently \n // not constant to make testing easier.\n\n // The proxyId for ZRX_ASSET_DATA is bytes4(keccak256(\"ERC20Token(address)\")) = 0xf47261b0\n \n // Kovan ZRX address is 0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570.\n // The ABI encoded proxyId and address is 0xf47261b00000000000000000000000006ff6c0ff1d68b964901f986d4c9fa3ac68346570\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x6f\\xf6\\xc0\\xff\\x1d\\x68\\xb9\\x64\\x90\\x1f\\x98\\x6d\\x4c\\x9f\\xa3\\xac\\x68\\x34\\x65\\x70\";\n \n // Mainnet ZRX address is 0xe41d2489571d322189246dafa5ebde1f4699f498.\n // The ABI encoded proxyId and address is 0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\n bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xe4\\x1d\\x24\\x89\\x57\\x1d\\x32\\x21\\x89\\x24\\x6d\\xaf\\xa5\\xeb\\xde\\x1f\\x46\\x99\\xf4\\x98\";\n}\n// solhint-enable max-line-length\n", - "2.0.0/protocol/Exchange/libs/LibEIP712.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract LibEIP712 {\n\n // EIP191 header for EIP712 prefix\n string constant internal EIP191_HEADER = \"\\x19\\x01\";\n\n // EIP712 Domain Name value\n string constant internal EIP712_DOMAIN_NAME = \"0x Protocol\";\n\n // EIP712 Domain Version value\n string constant internal EIP712_DOMAIN_VERSION = \"2\";\n\n // Hash of the EIP712 Domain Separator Schema\n bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"EIP712Domain(\",\n \"string name,\",\n \"string version,\",\n \"address verifyingContract\",\n \")\"\n ));\n\n // Hash of the EIP712 Domain Separator data\n // solhint-disable-next-line var-name-mixedcase\n bytes32 public EIP712_DOMAIN_HASH;\n\n constructor ()\n public\n {\n EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(\n EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,\n keccak256(bytes(EIP712_DOMAIN_NAME)),\n keccak256(bytes(EIP712_DOMAIN_VERSION)),\n bytes32(address(this))\n ));\n }\n\n /// @dev Calculates EIP712 encoding for a hash struct in this EIP712 Domain.\n /// @param hashStruct The EIP712 hash struct.\n /// @return EIP712 hash applied to this EIP712 Domain.\n function hashEIP712Message(bytes32 hashStruct)\n internal\n view\n returns (bytes32 result)\n {\n bytes32 eip712DomainHash = EIP712_DOMAIN_HASH;\n\n // Assembly for more efficient computing:\n // keccak256(abi.encodePacked(\n // EIP191_HEADER,\n // EIP712_DOMAIN_HASH,\n // hashStruct \n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, 0x1901000000000000000000000000000000000000000000000000000000000000) // EIP191 header\n mstore(add(memPtr, 2), eip712DomainHash) // EIP712 domain hash\n mstore(add(memPtr, 34), hashStruct) // Hash of struct\n\n // Compute hash\n result := keccak256(memPtr, 66)\n }\n return result;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity 0.4.24;\n\n\n/// @dev This contract documents the revert reasons used in the Exchange contract.\n/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons.\ncontract LibExchangeErrors {\n\n /// Order validation errors ///\n string constant ORDER_UNFILLABLE = \"ORDER_UNFILLABLE\"; // Order cannot be filled.\n string constant INVALID_MAKER = \"INVALID_MAKER\"; // Invalid makerAddress.\n string constant INVALID_TAKER = \"INVALID_TAKER\"; // Invalid takerAddress.\n string constant INVALID_SENDER = \"INVALID_SENDER\"; // Invalid `msg.sender`.\n string constant INVALID_ORDER_SIGNATURE = \"INVALID_ORDER_SIGNATURE\"; // Signature validation failed. \n \n /// fillOrder validation errors ///\n string constant INVALID_TAKER_AMOUNT = \"INVALID_TAKER_AMOUNT\"; // takerAssetFillAmount cannot equal 0.\n string constant ROUNDING_ERROR = \"ROUNDING_ERROR\"; // Rounding error greater than 0.1% of takerAssetFillAmount. \n \n /// Signature validation errors ///\n string constant INVALID_SIGNATURE = \"INVALID_SIGNATURE\"; // Signature validation failed. \n string constant SIGNATURE_ILLEGAL = \"SIGNATURE_ILLEGAL\"; // Signature type is illegal.\n string constant SIGNATURE_UNSUPPORTED = \"SIGNATURE_UNSUPPORTED\"; // Signature type unsupported.\n \n /// cancelOrdersUptTo errors ///\n string constant INVALID_NEW_ORDER_EPOCH = \"INVALID_NEW_ORDER_EPOCH\"; // Specified salt must be greater than or equal to existing orderEpoch.\n\n /// fillOrKillOrder errors ///\n string constant COMPLETE_FILL_FAILED = \"COMPLETE_FILL_FAILED\"; // Desired takerAssetFillAmount could not be completely filled. \n\n /// matchOrders errors ///\n string constant NEGATIVE_SPREAD_REQUIRED = \"NEGATIVE_SPREAD_REQUIRED\"; // Matched orders must have a negative spread.\n\n /// Transaction errors ///\n string constant REENTRANCY_ILLEGAL = \"REENTRANCY_ILLEGAL\"; // Recursive reentrancy is not allowed. \n string constant INVALID_TX_HASH = \"INVALID_TX_HASH\"; // Transaction has already been executed. \n string constant INVALID_TX_SIGNATURE = \"INVALID_TX_SIGNATURE\"; // Signature validation failed. \n string constant FAILED_EXECUTION = \"FAILED_EXECUTION\"; // Transaction execution failed. \n \n /// registerAssetProxy errors ///\n string constant ASSET_PROXY_ALREADY_EXISTS = \"ASSET_PROXY_ALREADY_EXISTS\"; // AssetProxy with same id already exists.\n\n /// dispatchTransferFrom errors ///\n string constant ASSET_PROXY_DOES_NOT_EXIST = \"ASSET_PROXY_DOES_NOT_EXIST\"; // No assetProxy registered at given id.\n string constant TRANSFER_FAILED = \"TRANSFER_FAILED\"; // Asset transfer unsuccesful.\n\n /// Length validation errors ///\n string constant LENGTH_GREATER_THAN_0_REQUIRED = \"LENGTH_GREATER_THAN_0_REQUIRED\"; // Byte array must have a length greater than 0.\n string constant LENGTH_GREATER_THAN_3_REQUIRED = \"LENGTH_GREATER_THAN_3_REQUIRED\"; // Byte array must have a length greater than 3.\n string constant LENGTH_0_REQUIRED = \"LENGTH_0_REQUIRED\"; // Byte array must have a length of 0.\n string constant LENGTH_65_REQUIRED = \"LENGTH_65_REQUIRED\"; // Byte array must have a length of 65.\n}\n", - "2.0.0/protocol/Exchange/libs/LibFillResults.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibFillResults is\n SafeMath\n{\n struct FillResults {\n uint256 makerAssetFilledAmount; // Total amount of makerAsset(s) filled.\n uint256 takerAssetFilledAmount; // Total amount of takerAsset(s) filled.\n uint256 makerFeePaid; // Total amount of ZRX paid by maker(s) to feeRecipient(s).\n uint256 takerFeePaid; // Total amount of ZRX paid by taker to feeRecipients(s).\n }\n\n struct MatchedFillResults {\n FillResults left; // Amounts filled and fees paid of left order.\n FillResults right; // Amounts filled and fees paid of right order.\n uint256 leftMakerAssetSpreadAmount; // Spread between price of left and right order, denominated in the left order's makerAsset, paid to taker.\n }\n\n /// @dev Adds properties of both FillResults instances.\n /// Modifies the first FillResults instance specified.\n /// @param totalFillResults Fill results instance that will be added onto.\n /// @param singleFillResults Fill results instance that will be added to totalFillResults.\n function addFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)\n internal\n pure\n {\n totalFillResults.makerAssetFilledAmount = safeAdd(totalFillResults.makerAssetFilledAmount, singleFillResults.makerAssetFilledAmount);\n totalFillResults.takerAssetFilledAmount = safeAdd(totalFillResults.takerAssetFilledAmount, singleFillResults.takerAssetFilledAmount);\n totalFillResults.makerFeePaid = safeAdd(totalFillResults.makerFeePaid, singleFillResults.makerFeePaid);\n totalFillResults.takerFeePaid = safeAdd(totalFillResults.takerFeePaid, singleFillResults.takerFeePaid);\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibMath.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibMath is\n SafeMath\n{\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function safeGetPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorFloor(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function safeGetPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorCeil(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function getPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function getPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // The absolute rounding error is the difference between the rounded\n // value and the ideal value. The relative rounding error is the\n // absolute rounding error divided by the absolute value of the\n // ideal value. This is undefined when the ideal value is zero.\n //\n // The ideal value is `numerator * target / denominator`.\n // Let's call `numerator * target % denominator` the remainder.\n // The absolute error is `remainder / denominator`.\n //\n // When the ideal value is zero, we require the absolute error to\n // be zero. Fortunately, this is always the case. The ideal value is\n // zero iff `numerator == 0` and/or `target == 0`. In this case the\n // remainder and absolute error are also zero. \n if (target == 0 || numerator == 0) {\n return false;\n }\n \n // Otherwise, we want the relative rounding error to be strictly\n // less than 0.1%.\n // The relative error is `remainder / (numerator * target)`.\n // We want the relative error less than 1 / 1000:\n // remainder / (numerator * denominator) < 1 / 1000\n // or equivalently:\n // 1000 * remainder < numerator * target\n // so we have a rounding error iff:\n // 1000 * remainder >= numerator * target\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding up.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // See the comments in `isRoundingError`.\n if (target == 0 || numerator == 0) {\n // When either is zero, the ideal value and rounded value are zero\n // and there is no rounding error. (Although the relative error\n // is undefined.)\n return false;\n }\n // Compute remainder as before\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n remainder = safeSub(denominator, remainder) % denominator;\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibOrder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./LibEIP712.sol\";\n\n\ncontract LibOrder is\n LibEIP712\n{\n // Hash for the EIP712 Order Schema\n bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"Order(\",\n \"address makerAddress,\",\n \"address takerAddress,\",\n \"address feeRecipientAddress,\",\n \"address senderAddress,\",\n \"uint256 makerAssetAmount,\",\n \"uint256 takerAssetAmount,\",\n \"uint256 makerFee,\",\n \"uint256 takerFee,\",\n \"uint256 expirationTimeSeconds,\",\n \"uint256 salt,\",\n \"bytes makerAssetData,\",\n \"bytes takerAssetData\",\n \")\"\n ));\n\n // A valid order remains fillable until it is expired, fully filled, or cancelled.\n // An order's state is unaffected by external factors, like account balances.\n enum OrderStatus {\n INVALID, // Default value\n INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount\n INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount\n FILLABLE, // Order is fillable\n EXPIRED, // Order has already expired\n FULLY_FILLED, // Order is fully filled\n CANCELLED // Order has been cancelled\n }\n\n // solhint-disable max-line-length\n struct Order {\n address makerAddress; // Address that created the order. \n address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order. \n address feeRecipientAddress; // Address that will recieve fees when order is filled. \n address senderAddress; // Address that is allowed to call Exchange contract methods that affect this order. If set to 0, any address is allowed to call these methods.\n uint256 makerAssetAmount; // Amount of makerAsset being offered by maker. Must be greater than 0. \n uint256 takerAssetAmount; // Amount of takerAsset being bid on by maker. Must be greater than 0. \n uint256 makerFee; // Amount of ZRX paid to feeRecipient by maker when order is filled. If set to 0, no transfer of ZRX from maker to feeRecipient will be attempted.\n uint256 takerFee; // Amount of ZRX paid to feeRecipient by taker when order is filled. If set to 0, no transfer of ZRX from taker to feeRecipient will be attempted.\n uint256 expirationTimeSeconds; // Timestamp in seconds at which order expires. \n uint256 salt; // Arbitrary number to facilitate uniqueness of the order's hash. \n bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.\n bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.\n }\n // solhint-enable max-line-length\n\n struct OrderInfo {\n uint8 orderStatus; // Status that describes order's validity and fillability.\n bytes32 orderHash; // EIP712 hash of the order (see LibOrder.getOrderHash).\n uint256 orderTakerAssetFilledAmount; // Amount of order that has already been filled.\n }\n\n /// @dev Calculates Keccak-256 hash of the order.\n /// @param order The order structure.\n /// @return Keccak-256 EIP712 hash of the order.\n function getOrderHash(Order memory order)\n internal\n view\n returns (bytes32 orderHash)\n {\n orderHash = hashEIP712Message(hashOrder(order));\n return orderHash;\n }\n\n /// @dev Calculates EIP712 hash of the order.\n /// @param order The order structure.\n /// @return EIP712 hash of the order.\n function hashOrder(Order memory order)\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ORDER_SCHEMA_HASH;\n bytes32 makerAssetDataHash = keccak256(order.makerAssetData);\n bytes32 takerAssetDataHash = keccak256(order.takerAssetData);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ORDER_SCHEMA_HASH,\n // bytes32(order.makerAddress),\n // bytes32(order.takerAddress),\n // bytes32(order.feeRecipientAddress),\n // bytes32(order.senderAddress),\n // order.makerAssetAmount,\n // order.takerAssetAmount,\n // order.makerFee,\n // order.takerFee,\n // order.expirationTimeSeconds,\n // order.salt,\n // keccak256(order.makerAssetData),\n // keccak256(order.takerAssetData)\n // ));\n\n assembly {\n // Calculate memory addresses that will be swapped out before hashing\n let pos1 := sub(order, 32)\n let pos2 := add(order, 320)\n let pos3 := add(order, 352)\n\n // Backup\n let temp1 := mload(pos1)\n let temp2 := mload(pos2)\n let temp3 := mload(pos3)\n \n // Hash in place\n mstore(pos1, schemaHash)\n mstore(pos2, makerAssetDataHash)\n mstore(pos3, takerAssetDataHash)\n result := keccak256(pos1, 416)\n \n // Restore\n mstore(pos1, temp1)\n mstore(pos2, temp2)\n mstore(pos3, temp3)\n }\n return result;\n }\n}\n", - "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssetProxyDispatcher.sol\";\n\n\ncontract MAssetProxyDispatcher is\n IAssetProxyDispatcher\n{\n // Logs registration of new asset proxy\n event AssetProxyRegistered(\n bytes4 id, // Id of new registered AssetProxy.\n address assetProxy // Address of new registered AssetProxy.\n );\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal;\n}\n", - "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IExchangeCore.sol\";\n\n\ncontract MExchangeCore is\n IExchangeCore\n{\n // Fill event is emitted whenever an order is filled.\n event Fill(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that received fees.\n address takerAddress, // Address that filled the order.\n address senderAddress, // Address that called the Exchange contract (msg.sender).\n uint256 makerAssetFilledAmount, // Amount of makerAsset sold by maker and bought by taker. \n uint256 takerAssetFilledAmount, // Amount of takerAsset sold by taker and bought by maker.\n uint256 makerFeePaid, // Amount of ZRX paid to feeRecipient by maker.\n uint256 takerFeePaid, // Amount of ZRX paid to feeRecipient by taker.\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // Cancel event is emitted whenever an individual order is cancelled.\n event Cancel(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that would have recieved fees if order was filled. \n address senderAddress, // Address that called the Exchange contract (msg.sender).\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // CancelUpTo event is emitted whenever `cancelOrdersUpTo` is executed succesfully.\n event CancelUpTo(\n address indexed makerAddress, // Orders cancelled must have been created by this address.\n address indexed senderAddress, // Orders cancelled must have a `senderAddress` equal to this address.\n uint256 orderEpoch // Orders with specified makerAddress and senderAddress with a salt less than this value are considered cancelled.\n );\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrderInternal(LibOrder.Order memory order)\n internal;\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function updateFilledState(\n LibOrder.Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n LibFillResults.FillResults memory fillResults\n )\n internal;\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n LibOrder.Order memory order,\n bytes32 orderHash\n )\n internal;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo Status, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view;\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo\n )\n internal\n view;\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n LibOrder.Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.FillResults memory fillResults);\n\n}\n", - "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IMatchOrders.sol\";\n\n\ncontract MMatchOrders is\n IMatchOrders\n{\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure;\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n\n}\n", - "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/ISignatureValidator.sol\";\n\n\ncontract MSignatureValidator is\n ISignatureValidator\n{\n event SignatureValidatorApproval(\n address indexed signerAddress, // Address that approves or disapproves a contract to verify signatures.\n address indexed validatorAddress, // Address of signature validator contract.\n bool approved // Approval or disapproval of validator contract.\n );\n\n // Allowed signature types.\n enum SignatureType {\n Illegal, // 0x00, default value\n Invalid, // 0x01\n EIP712, // 0x02\n EthSign, // 0x03\n Wallet, // 0x04\n Validator, // 0x05\n PreSigned, // 0x06\n NSignatureTypes // 0x07, number of signature types. Always leave at end.\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/mixins/MTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"../interfaces/ITransactions.sol\";\n\n\ncontract MTransactions is\n ITransactions\n{\n // Hash for the EIP712 ZeroEx Transaction Schema\n bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"ZeroExTransaction(\",\n \"uint256 salt,\",\n \"address signerAddress,\",\n \"bytes data\",\n \")\"\n ));\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result);\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address);\n}\n", - "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IWrapperFunctions.sol\";\n\n\ncontract MWrapperFunctions is \n IWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n}\n", - "2.0.0/tokens/ERC20Token/IERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n \n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n \n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", - "2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Token {\n\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(\n address indexed _owner,\n address indexed _approved,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(\n address indexed _owner,\n address indexed _operator,\n bool _approved\n );\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// perator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external;\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public;\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address);\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) \n public\n view\n returns (address);\n \n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool);\n}\n", - "2.0.0/tokens/EtherToken/IEtherToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/IERC20Token.sol\";\n\n\ncontract IEtherToken is\n IERC20Token\n{\n function deposit()\n public\n payable;\n \n function withdraw(uint256 amount)\n public;\n}\n", - "2.0.0/utils/LibBytes/LibBytes.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\nlibrary LibBytes {\n\n using LibBytes for bytes;\n\n /// @dev Gets the memory address for a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of byte array. This\n /// points to the header of the byte array which contains\n /// the length.\n function rawAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := input\n }\n return memoryAddress;\n }\n \n /// @dev Gets the memory address for the contents of a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of the contents of the byte array.\n function contentAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := add(input, 32)\n }\n return memoryAddress;\n }\n\n /// @dev Copies `length` bytes from memory location `source` to `dest`.\n /// @param dest memory address to copy bytes to.\n /// @param source memory address to copy bytes from.\n /// @param length number of bytes to copy.\n function memCopy(\n uint256 dest,\n uint256 source,\n uint256 length\n )\n internal\n pure\n {\n if (length < 32) {\n // Handle a partial word by reading destination and masking\n // off the bits we are interested in.\n // This correctly handles overlap, zero lengths and source == dest\n assembly {\n let mask := sub(exp(256, sub(32, length)), 1)\n let s := and(mload(source), not(mask))\n let d := and(mload(dest), mask)\n mstore(dest, or(s, d))\n }\n } else {\n // Skip the O(length) loop when source == dest.\n if (source == dest) {\n return;\n }\n\n // For large copies we copy whole words at a time. The final\n // word is aligned to the end of the range (instead of after the\n // previous) to handle partial words. So a copy will look like this:\n //\n // ####\n // ####\n // ####\n // ####\n //\n // We handle overlap in the source and destination range by\n // changing the copying direction. This prevents us from\n // overwriting parts of source that we still need to copy.\n //\n // This correctly handles source == dest\n //\n if (source > dest) {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because it\n // is easier to compare with in the loop, and these\n // are also the addresses we need for copying the\n // last bytes.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the last 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the last bytes in\n // source already due to overlap.\n let last := mload(sEnd)\n\n // Copy whole words front to back\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} lt(source, sEnd) {} {\n mstore(dest, mload(source))\n source := add(source, 32)\n dest := add(dest, 32)\n }\n \n // Write the last 32 bytes\n mstore(dEnd, last)\n }\n } else {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because those\n // are the starting points when copying a word at the end.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the first 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the first bytes in\n // source already due to overlap.\n let first := mload(source)\n\n // Copy whole words back to front\n // We use a signed comparisson here to allow dEnd to become\n // negative (happens when source and dest < 32). Valid\n // addresses in local memory will never be larger than\n // 2**255, so they can be safely re-interpreted as signed.\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} slt(dest, dEnd) {} {\n mstore(dEnd, mload(sEnd))\n sEnd := sub(sEnd, 32)\n dEnd := sub(dEnd, 32)\n }\n \n // Write the first 32 bytes\n mstore(dest, first)\n }\n }\n }\n }\n\n /// @dev Returns a slices from a byte array.\n /// @param b The byte array to take a slice from.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n function slice(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure and copy contents\n result = new bytes(to - from);\n memCopy(\n result.contentAddress(),\n b.contentAddress() + from,\n result.length\n );\n return result;\n }\n \n /// @dev Returns a slice from a byte array without preserving the input.\n /// @param b The byte array to take a slice from. Will be destroyed in the process.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n /// @dev When `from == 0`, the original array will match the slice. In other cases its state will be corrupted.\n function sliceDestructive(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure around [from, to) in-place.\n assembly {\n result := add(b, from)\n mstore(result, sub(to, from))\n }\n return result;\n }\n\n /// @dev Pops the last byte off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The byte that was popped off.\n function popLastByte(bytes memory b)\n internal\n pure\n returns (bytes1 result)\n {\n require(\n b.length > 0,\n \"GREATER_THAN_ZERO_LENGTH_REQUIRED\"\n );\n\n // Store last byte.\n result = b[b.length - 1];\n\n assembly {\n // Decrement length of byte array.\n let newLen := sub(mload(b), 1)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Pops the last 20 bytes off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The 20 byte address that was popped off.\n function popLast20Bytes(bytes memory b)\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= 20,\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Store last 20 bytes.\n result = readAddress(b, b.length - 20);\n\n assembly {\n // Subtract 20 from byte array length.\n let newLen := sub(mload(b), 20)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Tests equality of two byte arrays.\n /// @param lhs First byte array to compare.\n /// @param rhs Second byte array to compare.\n /// @return True if arrays are the same. False otherwise.\n function equals(\n bytes memory lhs,\n bytes memory rhs\n )\n internal\n pure\n returns (bool equal)\n {\n // Keccak gas cost is 30 + numWords * 6. This is a cheap way to compare.\n // We early exit on unequal lengths, but keccak would also correctly\n // handle this.\n return lhs.length == rhs.length && keccak256(lhs) == keccak256(rhs);\n }\n\n /// @dev Reads an address from a position in a byte array.\n /// @param b Byte array containing an address.\n /// @param index Index in byte array of address.\n /// @return address from byte array.\n function readAddress(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Read address from array memory\n assembly {\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 20-byte mask to obtain address\n result := and(mload(add(b, index)), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n return result;\n }\n\n /// @dev Writes an address into a specific position in a byte array.\n /// @param b Byte array to insert address into.\n /// @param index Index in byte array of address.\n /// @param input Address to put into byte array.\n function writeAddress(\n bytes memory b,\n uint256 index,\n address input\n )\n internal\n pure\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Store address into array memory\n assembly {\n // The address occupies 20 bytes and mstore stores 32 bytes.\n // First fetch the 32-byte word where we'll be storing the address, then\n // apply a mask so we have only the bytes in the word that the address will not occupy.\n // Then combine these bytes with the address and store the 32 bytes back to memory with mstore.\n\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 12-byte mask to obtain extra bytes occupying word of memory where we'll store the address\n let neighbors := and(\n mload(add(b, index)),\n 0xffffffffffffffffffffffff0000000000000000000000000000000000000000\n )\n \n // Make sure input address is clean.\n // (Solidity does not guarantee this)\n input := and(input, 0xffffffffffffffffffffffffffffffffffffffff)\n\n // Store the neighbors and address into memory\n mstore(add(b, index), xor(input, neighbors))\n }\n }\n\n /// @dev Reads a bytes32 value from a position in a byte array.\n /// @param b Byte array containing a bytes32 value.\n /// @param index Index in byte array of bytes32 value.\n /// @return bytes32 value from byte array.\n function readBytes32(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes32 result)\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n result := mload(add(b, index))\n }\n return result;\n }\n\n /// @dev Writes a bytes32 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes32 to put into byte array.\n function writeBytes32(\n bytes memory b,\n uint256 index,\n bytes32 input\n )\n internal\n pure\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n mstore(add(b, index), input)\n }\n }\n\n /// @dev Reads a uint256 value from a position in a byte array.\n /// @param b Byte array containing a uint256 value.\n /// @param index Index in byte array of uint256 value.\n /// @return uint256 value from byte array.\n function readUint256(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (uint256 result)\n {\n result = uint256(readBytes32(b, index));\n return result;\n }\n\n /// @dev Writes a uint256 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input uint256 to put into byte array.\n function writeUint256(\n bytes memory b,\n uint256 index,\n uint256 input\n )\n internal\n pure\n {\n writeBytes32(b, index, bytes32(input));\n }\n\n /// @dev Reads an unpadded bytes4 value from a position in a byte array.\n /// @param b Byte array containing a bytes4 value.\n /// @param index Index in byte array of bytes4 value.\n /// @return bytes4 value from byte array.\n function readBytes4(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes4 result)\n {\n require(\n b.length >= index + 4,\n \"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 32 byte length field\n index += 32;\n\n // Read the bytes4 from array memory\n assembly {\n result := mload(add(b, index))\n // Solidity does not require us to clean the trailing bytes.\n // We do it anyway\n result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)\n }\n return result;\n }\n\n /// @dev Reads nested bytes from a specific position.\n /// @dev NOTE: the returned value overlaps with the input value.\n /// Both should be treated as immutable.\n /// @param b Byte array containing nested bytes.\n /// @param index Index of nested bytes.\n /// @return result Nested bytes.\n function readBytesWithLength(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes memory result)\n {\n // Read length of nested bytes\n uint256 nestedBytesLength = readUint256(b, index);\n index += 32;\n\n // Assert length of is valid, given\n // length of nested bytes\n require(\n b.length >= index + nestedBytesLength,\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n \n // Return a pointer to the byte array as it exists inside `b`\n assembly {\n result := add(b, index)\n }\n return result;\n }\n\n /// @dev Inserts bytes at a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes to insert.\n function writeBytesWithLength(\n bytes memory b,\n uint256 index,\n bytes memory input\n )\n internal\n pure\n {\n // Assert length of is valid, given\n // length of input\n require(\n b.length >= index + 32 + input.length, // 32 bytes to store length\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n\n // Copy into \n memCopy(\n b.contentAddress() + index,\n input.rawAddress(), // includes length of \n input.length + 32 // +32 bytes to store length\n );\n }\n\n /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length.\n /// @param dest Byte array that will be overwritten with source bytes.\n /// @param source Byte array to copy onto dest bytes.\n function deepCopyBytes(\n bytes memory dest,\n bytes memory source\n )\n internal\n pure\n {\n uint256 sourceLen = source.length;\n // Dest length must be >= source length, or some bytes would not be copied.\n require(\n dest.length >= sourceLen,\n \"GREATER_OR_EQUAL_TO_SOURCE_BYTES_LENGTH_REQUIRED\"\n );\n memCopy(\n dest.contentAddress(),\n source.contentAddress(),\n sourceLen\n );\n }\n}\n", - "2.0.0/utils/Ownable/IOwnable.sol": "pragma solidity 0.4.24;\n\n\ncontract IOwnable {\n\n function transferOwnership(address newOwner)\n public;\n}\n", - "2.0.0/utils/Ownable/Ownable.sol": "pragma solidity 0.4.24;\n\nimport \"./IOwnable.sol\";\n\n\ncontract Ownable is\n IOwnable\n{\n address public owner;\n\n constructor ()\n public\n {\n owner = msg.sender;\n }\n\n modifier onlyOwner() {\n require(\n msg.sender == owner,\n \"ONLY_CONTRACT_OWNER\"\n );\n _;\n }\n\n function transferOwnership(address newOwner)\n public\n onlyOwner\n {\n if (newOwner != address(0)) {\n owner = newOwner;\n }\n }\n}\n", - "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ReentrancyGuard {\n\n // Locked state of mutex\n bool private locked = false;\n\n /// @dev Functions with this modifer cannot be reentered. The mutex will be locked\n /// before function execution and unlocked after.\n modifier nonReentrant() {\n // Ensure mutex is unlocked\n require(\n !locked,\n \"REENTRANCY_ILLEGAL\"\n );\n\n // Lock mutex before function call\n locked = true;\n\n // Perform function call\n _;\n\n // Unlock mutex after function call\n locked = false;\n }\n}\n", - "2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n\n function safeMul(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(\n c / a == b,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function safeDiv(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a / b;\n return c;\n }\n\n function safeSub(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n require(\n b <= a,\n \"UINT256_UNDERFLOW\"\n );\n return a - b;\n }\n\n function safeAdd(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a + b;\n require(\n c >= a,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function max64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n\n function max256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n}\n" - }, - "sourceTreeHashHex": "0x93eec0587c0db8b68951a9c0c348c14e22831361b7fe38bb2d29a09ad670e10d", - "compiler": { - "name": "solc", - "version": "soljson-v0.4.24+commit.e67f0147.js", - "settings": { - "optimizer": { - "enabled": true, - "runs": 1000000 - }, - "outputSelection": { - "*": { - "*": [ - "abi", - "evm.bytecode.object", - "evm.bytecode.sourceMap", - "evm.deployedBytecode.object", - "evm.deployedBytecode.sourceMap" - ] - } - } - } - }, - "networks": { - "1": { - "address": "0x208e41fb445f1bb1b6780d58356e81405f3e6127", - "links": {}, - "constructorArgs": "[]" - }, - "3": { - "address": "0xe654aac058bfbf9f83fcaee7793311dd82f6ddb4", - "links": {}, - "constructorArgs": "[]" - }, - "42": { - "address": "0x2a9127c745688a165106c11cd4d647d2220af821", - "links": {}, - "constructorArgs": "[]" - }, - "50": { - "address": "0x1d7022f5b17d2f8b695918fb48fa1089c9f85401", - "links": {}, - "constructorArgs": "[]" - } - } -} diff --git a/packages/migrations/artifacts/2.0.0-mainnet/ERC721Token.json b/packages/migrations/artifacts/2.0.0-mainnet/ERC721Token.json deleted file mode 100644 index ceb374730..000000000 --- a/packages/migrations/artifacts/2.0.0-mainnet/ERC721Token.json +++ /dev/null @@ -1,565 +0,0 @@ -{ - "schemaVersion": "2.0.0", - "contractName": "ERC721Token", - "compilerOutput": { - "abi": [ - { - "constant": true, - "inputs": [ - { - "name": "_tokenId", - "type": "uint256" - } - ], - "name": "getApproved", - "outputs": [ - { - "name": "", - "type": "address" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "_approved", - "type": "address" - }, - { - "name": "_tokenId", - "type": "uint256" - } - ], - "name": "approve", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "_from", - "type": "address" - }, - { - "name": "_to", - "type": "address" - }, - { - "name": "_tokenId", - "type": "uint256" - } - ], - "name": "transferFrom", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "_from", - "type": "address" - }, - { - "name": "_to", - "type": "address" - }, - { - "name": "_tokenId", - "type": "uint256" - } - ], - "name": "safeTransferFrom", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "_tokenId", - "type": "uint256" - } - ], - "name": "ownerOf", - "outputs": [ - { - "name": "", - "type": "address" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "_owner", - "type": "address" - } - ], - "name": "balanceOf", - "outputs": [ - { - "name": "", - "type": "uint256" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "_operator", - "type": "address" - }, - { - "name": "_approved", - "type": "bool" - } - ], - "name": "setApprovalForAll", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "_from", - "type": "address" - }, - { - "name": "_to", - "type": "address" - }, - { - "name": "_tokenId", - "type": "uint256" - }, - { - "name": "_data", - "type": "bytes" - } - ], - "name": "safeTransferFrom", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "_owner", - "type": "address" - }, - { - "name": "_operator", - "type": "address" - } - ], - "name": "isApprovedForAll", - "outputs": [ - { - "name": "", - "type": "bool" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "anonymous": false, - "inputs": [ - { - "indexed": true, - "name": "_from", - "type": "address" - }, - { - "indexed": true, - "name": "_to", - "type": "address" - }, - { - "indexed": true, - "name": "_tokenId", - "type": "uint256" - } - ], - "name": "Transfer", - "type": "event" - }, - { - "anonymous": false, - "inputs": [ - { - "indexed": true, - "name": "_owner", - "type": "address" - }, - { - "indexed": true, - "name": "_approved", - "type": "address" - }, - { - "indexed": true, - "name": "_tokenId", - "type": "uint256" - } - ], - "name": "Approval", - "type": "event" - }, - { - "anonymous": false, - "inputs": [ - { - "indexed": true, - "name": "_owner", - "type": "address" - }, - { - "indexed": true, - "name": "_operator", - "type": "address" - }, - { - "indexed": false, - "name": "_approved", - "type": "bool" - } - ], - "name": "ApprovalForAll", - "type": "event" - } - ], - "evm": { - "bytecode": { - "linkReferences": {}, - "object": 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0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND ISZERO ISZERO PUSH2 0xA2E JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F4F574E4552000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD SWAP1 JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP1 DUP6 MSTORE SWAP1 DUP4 MSTORE SWAP3 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND DUP7 ISZERO ISZERO SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP2 MLOAD SWAP1 DUP2 MSTORE SWAP1 MLOAD SWAP3 SWAP4 SWAP3 PUSH32 0x17307EAB39AB6107E8899845AD3D59BD9653F200F220920489CA2B5937696C31 SWAP3 SWAP2 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0xAFE DUP8 DUP8 DUP8 PUSH2 0x3E4 JUMP JUMPDEST DUP6 EXTCODESIZE SWAP2 POP PUSH1 0x0 DUP3 GT ISZERO PUSH2 0xCCB JUMPI PUSH1 0x40 MLOAD PUSH32 0x150B7A0200000000000000000000000000000000000000000000000000000000 DUP2 MSTORE CALLER PUSH1 0x4 DUP3 ADD DUP2 DUP2 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP11 DUP2 AND PUSH1 0x24 DUP6 ADD MSTORE PUSH1 0x44 DUP5 ADD DUP10 SWAP1 MSTORE PUSH1 0x80 PUSH1 0x64 DUP6 ADD SWAP1 DUP2 MSTORE PUSH1 0x84 DUP6 ADD DUP9 SWAP1 MSTORE SWAP1 DUP11 AND SWAP4 PUSH4 0x150B7A02 SWAP4 SWAP3 DUP13 SWAP3 DUP12 SWAP3 DUP12 SWAP3 DUP12 SWAP3 SWAP1 SWAP2 PUSH1 0xA4 ADD DUP5 DUP5 DUP1 DUP3 DUP5 CALLDATACOPY DUP3 ADD SWAP2 POP POP SWAP7 POP POP POP POP POP POP POP PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0xBB2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0xBC6 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x20 DUP2 LT ISZERO PUSH2 0xBDC JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP MLOAD PUSH1 0x40 DUP1 MLOAD PUSH32 0x6F6E455243373231526563656976656428616464726573732C61646472657373 DUP2 MSTORE PUSH32 0x2C75696E743235362C6279746573290000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x2F ADD SWAP1 KECCAK256 SWAP1 SWAP2 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP1 DUP4 AND SWAP2 AND EQ PUSH2 0xCCB JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x17 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F53454C4543544F52000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP POP POP POP POP POP POP JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP2 DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP4 SWAP1 SWAP5 AND DUP3 MSTORE SWAP2 SWAP1 SWAP2 MSTORE KECCAK256 SLOAD PUSH1 0xFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 GT ISZERO PUSH2 0xD80 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F554E444552464C4F57000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP SWAP1 SUB SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 ADD DUP4 DUP2 LT ISZERO PUSH2 0xDFA JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST SWAP4 SWAP3 POP POP POP JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 PUSH20 0x18C14C91209A554964C5F972B95A90FE384DD7DD SWAP7 0xcc REVERT MOD MULMOD SLOAD 0x4e PUSH5 0x39C3C90029 ", - "sourceMap": "712:8295:56:-;;;;8:9:-1;5:2;;;30:1;27;20:12;5:2;712:8295:56;;;;;;;" - }, - "deployedBytecode": { - "linkReferences": {}, - "object": 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- "opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0x98 JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x81812FC DUP2 EQ PUSH2 0x9D JUMPI DUP1 PUSH4 0x95EA7B3 EQ PUSH2 0xDE JUMPI DUP1 PUSH4 0x23B872DD EQ PUSH2 0x111 JUMPI DUP1 PUSH4 0x42842E0E EQ PUSH2 0x148 JUMPI DUP1 PUSH4 0x6352211E EQ PUSH2 0x17F JUMPI DUP1 PUSH4 0x70A08231 EQ PUSH2 0x197 JUMPI DUP1 PUSH4 0xA22CB465 EQ PUSH2 0x1D7 JUMPI DUP1 PUSH4 0xB88D4FDE EQ PUSH2 0x20A JUMPI DUP1 PUSH4 0xE985E9C5 EQ PUSH2 0x250 JUMPI JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xA9 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xB5 PUSH1 0x4 CALLDATALOAD PUSH2 0x298 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xEA JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x10F PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x2C0 JUMP JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x11D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x10F PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x3E4 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x154 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x10F PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x744 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x18B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xB5 PUSH1 0x4 CALLDATALOAD PUSH2 0x90F JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1A3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1C5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x9A8 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1E3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x10F PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD ISZERO ISZERO PUSH2 0xA57 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x216 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x10F PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 DUP1 CALLDATALOAD DUP3 AND SWAP2 PUSH1 0x24 DUP1 CALLDATALOAD SWAP1 SWAP2 AND SWAP2 PUSH1 0x44 CALLDATALOAD SWAP2 PUSH1 0x64 CALLDATALOAD SWAP1 DUP2 ADD SWAP2 ADD CALLDATALOAD PUSH2 0xAF0 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x25C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x284 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0xCD4 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x2CB DUP3 PUSH2 0x90F JUMP JUMPDEST SWAP1 POP CALLER PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND EQ DUP1 PUSH2 0x2F6 JUMPI POP PUSH2 0x2F6 DUP2 CALLER PUSH2 0xCD4 JUMP JUMPDEST ISZERO ISZERO PUSH2 0x363 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F53454E4445520000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 DUP2 AND SWAP2 DUP3 OR SWAP1 SWAP3 SSTORE SWAP2 MLOAD DUP6 SWAP4 SWAP2 DUP6 AND SWAP2 PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 SWAP2 LOG4 POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP6 AND ISZERO ISZERO PUSH2 0x46C JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F544F5F4144445245535300000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH2 0x475 DUP5 PUSH2 0x90F JUMP JUMPDEST SWAP3 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 DUP2 AND SWAP1 DUP5 AND EQ PUSH2 0x4FE JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F4F574E45525F4D49534D415443480000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST CALLER SWAP2 POP PUSH2 0x50A DUP5 PUSH2 0x298 JUMP JUMPDEST SWAP1 POP DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ DUP1 PUSH2 0x54B JUMPI POP PUSH2 0x54B DUP4 DUP4 PUSH2 0xCD4 JUMP JUMPDEST DUP1 PUSH2 0x581 JUMPI POP DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ JUMPDEST ISZERO ISZERO PUSH2 0x5EE JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F5350454E44455200000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0x63F JUMPI PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND SWAP1 SSTORE JUMPDEST PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP11 DUP2 AND SWAP2 SWAP1 SWAP2 OR SWAP1 SWAP2 SSTORE DUP10 AND DUP4 MSTORE PUSH1 0x2 SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 SLOAD PUSH2 0x6A8 SWAP1 PUSH1 0x1 PUSH2 0xD0F JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP9 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 SWAP4 SWAP1 SWAP4 SSTORE SWAP1 DUP8 AND DUP2 MSTORE KECCAK256 SLOAD PUSH2 0x6E5 SWAP1 PUSH1 0x1 PUSH2 0xD86 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP8 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 SWAP5 SWAP1 SWAP5 SSTORE SWAP3 MLOAD DUP8 SWAP4 SWAP2 SWAP3 DUP11 AND SWAP2 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP2 LOG4 POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0x752 DUP6 DUP6 DUP6 PUSH2 0x3E4 JUMP JUMPDEST DUP4 EXTCODESIZE SWAP2 POP PUSH1 0x0 DUP3 GT ISZERO PUSH2 0x908 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x150B7A0200000000000000000000000000000000000000000000000000000000 DUP2 MSTORE CALLER PUSH1 0x4 DUP3 ADD MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 DUP2 AND PUSH1 0x24 DUP4 ADD MSTORE PUSH1 0x44 DUP3 ADD DUP7 SWAP1 MSTORE PUSH1 0x80 PUSH1 0x64 DUP4 ADD MSTORE PUSH1 0x0 PUSH1 0x84 DUP4 ADD DUP2 SWAP1 MSTORE SWAP3 MLOAD SWAP1 DUP8 AND SWAP3 PUSH4 0x150B7A02 SWAP3 PUSH1 0xC4 DUP1 DUP3 ADD SWAP4 PUSH1 0x20 SWAP4 SWAP1 SWAP3 DUP4 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 DUP3 SWAP1 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x7EF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x803 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x20 DUP2 LT ISZERO PUSH2 0x819 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP MLOAD PUSH1 0x40 DUP1 MLOAD PUSH32 0x6F6E455243373231526563656976656428616464726573732C61646472657373 DUP2 MSTORE PUSH32 0x2C75696E743235362C6279746573290000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x2F ADD SWAP1 KECCAK256 SWAP1 SWAP2 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP1 DUP4 AND SWAP2 AND EQ PUSH2 0x908 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x17 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F53454C4543544F52000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP2 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP1 ISZERO ISZERO PUSH2 0x9A2 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F4F574E4552000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND ISZERO ISZERO PUSH2 0xA2E JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F4F574E4552000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD SWAP1 JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP1 DUP6 MSTORE SWAP1 DUP4 MSTORE SWAP3 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND DUP7 ISZERO ISZERO SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP2 MLOAD SWAP1 DUP2 MSTORE SWAP1 MLOAD SWAP3 SWAP4 SWAP3 PUSH32 0x17307EAB39AB6107E8899845AD3D59BD9653F200F220920489CA2B5937696C31 SWAP3 SWAP2 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0xAFE DUP8 DUP8 DUP8 PUSH2 0x3E4 JUMP JUMPDEST DUP6 EXTCODESIZE SWAP2 POP PUSH1 0x0 DUP3 GT ISZERO PUSH2 0xCCB JUMPI PUSH1 0x40 MLOAD PUSH32 0x150B7A0200000000000000000000000000000000000000000000000000000000 DUP2 MSTORE CALLER PUSH1 0x4 DUP3 ADD DUP2 DUP2 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP11 DUP2 AND PUSH1 0x24 DUP6 ADD MSTORE PUSH1 0x44 DUP5 ADD DUP10 SWAP1 MSTORE PUSH1 0x80 PUSH1 0x64 DUP6 ADD SWAP1 DUP2 MSTORE PUSH1 0x84 DUP6 ADD DUP9 SWAP1 MSTORE SWAP1 DUP11 AND SWAP4 PUSH4 0x150B7A02 SWAP4 SWAP3 DUP13 SWAP3 DUP12 SWAP3 DUP12 SWAP3 DUP12 SWAP3 SWAP1 SWAP2 PUSH1 0xA4 ADD DUP5 DUP5 DUP1 DUP3 DUP5 CALLDATACOPY DUP3 ADD SWAP2 POP POP SWAP7 POP POP POP POP POP POP POP PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0xBB2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0xBC6 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x20 DUP2 LT ISZERO PUSH2 0xBDC JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP MLOAD PUSH1 0x40 DUP1 MLOAD PUSH32 0x6F6E455243373231526563656976656428616464726573732C61646472657373 DUP2 MSTORE PUSH32 0x2C75696E743235362C6279746573290000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x2F ADD SWAP1 KECCAK256 SWAP1 SWAP2 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP1 DUP4 AND SWAP2 AND EQ PUSH2 0xCCB JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x17 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F53454C4543544F52000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP POP POP POP POP POP POP JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP2 DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP4 SWAP1 SWAP5 AND DUP3 MSTORE SWAP2 SWAP1 SWAP2 MSTORE KECCAK256 SLOAD PUSH1 0xFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 GT ISZERO PUSH2 0xD80 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F554E444552464C4F57000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP SWAP1 SUB SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 ADD DUP4 DUP2 LT ISZERO PUSH2 0xDFA JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST SWAP4 SWAP3 POP POP POP JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 PUSH20 0x18C14C91209A554964C5F972B95A90FE384DD7DD SWAP7 0xcc REVERT MOD MULMOD SLOAD 0x4e PUSH5 0x39C3C90029 ", - "sourceMap": 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- } - } - }, - "sources": { - "2.0.0/extensions/Forwarder/Forwarder.sol": { - "id": 0 - }, - "2.0.0/extensions/Forwarder/MixinAssets.sol": { - "id": 1 - }, - "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": { - "id": 2 - }, - "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": { - "id": 3 - }, - "2.0.0/extensions/Forwarder/MixinWeth.sol": { - "id": 4 - }, - "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": { - "id": 5 - }, - "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": { - "id": 6 - }, - "2.0.0/extensions/Forwarder/libs/LibConstants.sol": { - "id": 7 - }, - "2.0.0/extensions/Forwarder/mixins/MAssets.sol": { - "id": 8 - }, - "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": { - "id": 9 - }, - "2.0.0/extensions/Forwarder/mixins/MWeth.sol": { - "id": 10 - }, - "2.0.0/extensions/OrderValidator/OrderValidator.sol": { - "id": 11 - }, - "2.0.0/multisig/MultiSigWallet.sol": { - "id": 12 - }, - "2.0.0/multisig/MultiSigWalletWithTimeLock.sol": { - "id": 13 - }, - "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": { - "id": 14 - }, - "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": { - "id": 15 - }, - "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": { - "id": 16 - }, - "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": { - "id": 17 - }, - "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": { - "id": 18 - }, - "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": { - "id": 19 - }, - "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": { - "id": 20 - }, - "2.0.0/protocol/Exchange/Exchange.sol": { - "id": 21 - }, - "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": { - "id": 22 - }, - "2.0.0/protocol/Exchange/MixinExchangeCore.sol": { - "id": 23 - }, - "2.0.0/protocol/Exchange/MixinMatchOrders.sol": { - "id": 24 - }, - "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": { - "id": 25 - }, - "2.0.0/protocol/Exchange/MixinTransactions.sol": { - "id": 26 - }, - "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": { - "id": 27 - }, - "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": { - "id": 28 - }, - "2.0.0/protocol/Exchange/interfaces/IExchange.sol": { - "id": 29 - }, - "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": { - "id": 30 - }, - "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": { - "id": 31 - }, - "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": { - "id": 32 - }, - "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": { - "id": 33 - }, - "2.0.0/protocol/Exchange/interfaces/IValidator.sol": { - "id": 34 - }, - "2.0.0/protocol/Exchange/interfaces/IWallet.sol": { - "id": 35 - }, - "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": { - "id": 36 - }, - "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": { - "id": 37 - }, - "2.0.0/protocol/Exchange/libs/LibConstants.sol": { - "id": 38 - }, - "2.0.0/protocol/Exchange/libs/LibEIP712.sol": { - "id": 39 - }, - "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": { - "id": 40 - }, - "2.0.0/protocol/Exchange/libs/LibFillResults.sol": { - "id": 41 - }, - "2.0.0/protocol/Exchange/libs/LibMath.sol": { - "id": 42 - }, - "2.0.0/protocol/Exchange/libs/LibOrder.sol": { - "id": 43 - }, - "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": { - "id": 44 - }, - "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": { - "id": 45 - }, - "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": { - "id": 46 - }, - "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": { - "id": 47 - }, - "2.0.0/protocol/Exchange/mixins/MTransactions.sol": { - "id": 48 - }, - "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": { - "id": 49 - }, - "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": { - "id": 50 - }, - "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": { - "id": 51 - }, - "2.0.0/tokens/ERC20Token/ERC20Token.sol": { - "id": 52 - }, - "2.0.0/tokens/ERC20Token/IERC20Token.sol": { - "id": 53 - }, - "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": { - "id": 54 - }, - "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": { - "id": 55 - }, - "2.0.0/tokens/ERC721Token/ERC721Token.sol": { - "id": 56 - }, - "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": { - "id": 57 - }, - "2.0.0/tokens/ERC721Token/IERC721Token.sol": { - "id": 58 - }, - "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": { - "id": 59 - }, - "2.0.0/tokens/EtherToken/IEtherToken.sol": { - "id": 60 - }, - "2.0.0/utils/LibBytes/LibBytes.sol": { - "id": 61 - }, - "2.0.0/utils/Ownable/IOwnable.sol": { - "id": 62 - }, - "2.0.0/utils/Ownable/Ownable.sol": { - "id": 63 - }, - "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": { - "id": 64 - }, - "2.0.0/utils/SafeMath/SafeMath.sol": { - "id": 65 - } - }, - "sourceCodes": { - "2.0.0/extensions/Forwarder/Forwarder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinWeth.sol\";\nimport \"./MixinForwarderCore.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinAssets.sol\";\nimport \"./MixinExchangeWrapper.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Forwarder is\n LibConstants,\n MixinWeth,\n MixinAssets,\n MixinExchangeWrapper,\n MixinForwarderCore\n{\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n LibConstants(\n _exchange,\n _zrxAssetData,\n _wethAssetData\n )\n MixinForwarderCore()\n {}\n}\n", - "2.0.0/extensions/Forwarder/MixinAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MAssets.sol\";\n\n\ncontract MixinAssets is\n Ownable,\n LibConstants,\n MAssets\n{\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256(\"transfer(address,uint256)\"));\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external\n onlyOwner\n {\n transferAssetToSender(assetData, amount);\n }\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n bytes4 proxyId = assetData.readBytes4(0);\n\n if (proxyId == ERC20_DATA_ID) {\n transferERC20Token(assetData, amount);\n } else if (proxyId == ERC721_DATA_ID) {\n transferERC721Token(assetData, amount);\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n }\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n address token = assetData.readAddress(16);\n\n // Transfer tokens.\n // We do a raw call so we can check the success separate\n // from the return data.\n bool success = token.call(abi.encodeWithSelector(\n ERC20_TRANSFER_SELECTOR,\n msg.sender,\n amount\n ));\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n \n // Check return data.\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // value that evaluates to true.\n assembly {\n if returndatasize {\n success := 0\n if eq(returndatasize, 32) {\n // First 64 bytes of memory are reserved scratch space\n returndatacopy(0, 0, 32)\n success := mload(0)\n }\n }\n }\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n }\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n require(\n amount == 1,\n \"INVALID_AMOUNT\"\n );\n // Decode asset data.\n address token = assetData.readAddress(16);\n uint256 tokenId = assetData.readUint256(36);\n\n // Perform transfer.\n IERC721Token(token).transferFrom(\n address(this),\n msg.sender,\n tokenId\n );\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"../../protocol/Exchange/libs/LibAbiEncoder.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinExchangeWrapper is\n LibAbiEncoder,\n LibFillResults,\n LibMath,\n LibConstants,\n MExchangeWrapper\n{\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n address exchange = address(EXCHANGE);\n\n // Call `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := call(\n gas, // forward all gas\n exchange, // call address of Exchange contract\n 0, // transfer 0 wei\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of WETH to sell\n uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of WETH\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount;\n if (makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n\n require(\n makerAssetFilledAmount >= makerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n // Do nothing if zrxBuyAmount == 0\n if (zrxBuyAmount == 0) {\n return totalFillResults;\n }\n\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n uint256 zrxPurchased = 0;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // All of these are ZRX/WETH, so we can drop the respective assetData from calldata.\n orders[i].makerAssetData = zrxAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of ZRX to buy.\n uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased);\n\n // Convert the remaining amount of ZRX to buy into remaining amount\n // of WETH to sell, assuming entire amount can be sold in the current order.\n uint256 remainingWethSellAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees \n remainingZrxBuyAmount\n );\n\n // Attempt to sell the remaining amount of WETH.\n FillResults memory singleFillResult = fillOrderNoThrow(\n orders[i],\n safeAdd(remainingWethSellAmount, 1), // we add 1 wei to the fill amount to make up for rounding errors\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker.\n addFillResults(totalFillResults, singleFillResult);\n zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid);\n\n // Stop execution if the entire amount of ZRX has been bought.\n if (zrxPurchased >= zrxBuyAmount) {\n break;\n }\n }\n\n require(\n zrxPurchased >= zrxBuyAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\nimport \"./mixins/MAssets.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"./interfaces/IForwarderCore.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinForwarderCore is\n LibFillResults,\n LibMath,\n LibConstants,\n MWeth,\n MAssets,\n MExchangeWrapper,\n IForwarderCore\n{\n using LibBytes for bytes;\n\n /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf.\n constructor ()\n public\n {\n address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID);\n require(\n proxyAddress != address(0),\n \"UNREGISTERED_ASSET_PROXY\"\n );\n ETHER_TOKEN.approve(proxyAddress, MAX_UINT);\n ZRX_TOKEN.approve(proxyAddress, MAX_UINT);\n }\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 wethSellAmount;\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // Calculate amount of WETH that won't be spent on ETH fees.\n wethSellAmount = getPartialAmountFloor(\n PERCENTAGE_DENOMINATOR,\n safeAdd(PERCENTAGE_DENOMINATOR, feePercentage),\n msg.value\n );\n // Market sell available WETH.\n // ZRX fees are paid with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // 5% of WETH is reserved for filling feeOrders and paying feeRecipient.\n wethSellAmount = getPartialAmountFloor(\n MAX_WETH_FILL_PERCENTAGE,\n PERCENTAGE_DENOMINATOR,\n msg.value\n );\n // Market sell 95% of WETH.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // If the makerAsset is ZRX, it is not necessary to pay fees out of this\n // contracts's ZRX balance because fees are factored into the price of the order.\n orderFillResults = marketBuyExactZrxWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // Attemp to purchase desired amount of makerAsset.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketBuyExactAmountWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\n\n\ncontract MixinWeth is\n LibMath,\n LibConstants,\n MWeth\n{\n /// @dev Default payabale function, this allows us to withdraw WETH\n function ()\n public\n payable\n {\n require(\n msg.sender == address(ETHER_TOKEN),\n \"DEFAULT_FUNCTION_WETH_CONTRACT_ONLY\"\n );\n }\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal\n {\n require(\n msg.value > 0,\n \"INVALID_MSG_VALUE\"\n );\n ETHER_TOKEN.deposit.value(msg.value)();\n }\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal\n {\n // Ensure feePercentage is less than 5%.\n require(\n feePercentage <= MAX_FEE_PERCENTAGE,\n \"FEE_PERCENTAGE_TOO_LARGE\"\n );\n\n // Ensure that no extra WETH owned by this contract has been sold.\n uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx);\n require(\n wethSold <= msg.value,\n \"OVERSOLD_WETH\"\n );\n\n // Calculate amount of WETH that hasn't been sold.\n uint256 wethRemaining = safeSub(msg.value, wethSold);\n\n // Calculate ETH fee to pay to feeRecipient.\n uint256 ethFee = getPartialAmountFloor(\n feePercentage,\n PERCENTAGE_DENOMINATOR,\n wethSoldExcludingFeeOrders\n );\n\n // Ensure fee is less than amount of WETH remaining.\n require(\n ethFee <= wethRemaining,\n \"INSUFFICIENT_ETH_REMAINING\"\n );\n \n // Do nothing if no WETH remaining\n if (wethRemaining > 0) {\n // Convert remaining WETH to ETH\n ETHER_TOKEN.withdraw(wethRemaining);\n\n // Pay ETH to feeRecipient\n if (ethFee > 0) {\n feeRecipient.transfer(ethFee);\n }\n\n // Refund remaining ETH to msg.sender.\n uint256 ethRefund = safeSub(wethRemaining, ethFee);\n if (ethRefund > 0) {\n msg.sender.transfer(ethRefund);\n }\n }\n }\n}\n", - "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssets {\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external;\n}\n", - "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract IForwarderCore {\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n}\n", - "2.0.0/extensions/Forwarder/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/LibBytes/LibBytes.sol\";\nimport \"../../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../../tokens/EtherToken/IEtherToken.sol\";\nimport \"../../../tokens/ERC20Token/IERC20Token.sol\";\n\n\ncontract LibConstants {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n uint256 constant internal MAX_UINT = 2**256 - 1;\n uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; \n uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5%\n uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95%\n \n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n IEtherToken internal ETHER_TOKEN;\n IERC20Token internal ZRX_TOKEN;\n bytes internal ZRX_ASSET_DATA;\n bytes internal WETH_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n WETH_ASSET_DATA = _wethAssetData;\n\n address etherToken = _wethAssetData.readAddress(16);\n address zrxToken = _zrxAssetData.readAddress(16);\n ETHER_TOKEN = IEtherToken(etherToken);\n ZRX_TOKEN = IERC20Token(zrxToken);\n }\n}\n", - "2.0.0/extensions/Forwarder/mixins/MAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssets.sol\";\n\n\ncontract MAssets is\n IAssets\n{\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n}\n", - "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract MExchangeWrapper {\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n}\n", - "2.0.0/extensions/Forwarder/mixins/MWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract MWeth {\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal;\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal;\n}\n", - "2.0.0/extensions/OrderValidator/OrderValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract OrderValidator {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n struct TraderInfo {\n uint256 makerBalance; // Maker's balance of makerAsset\n uint256 makerAllowance; // Maker's allowance to corresponding AssetProxy\n uint256 takerBalance; // Taker's balance of takerAsset\n uint256 takerAllowance; // Taker's allowance to corresponding AssetProxy\n uint256 makerZrxBalance; // Maker's balance of ZRX\n uint256 makerZrxAllowance; // Maker's allowance of ZRX to ERC20Proxy\n uint256 takerZrxBalance; // Taker's balance of ZRX\n uint256 takerZrxAllowance; // Taker's allowance of ZRX to ERC20Proxy\n }\n\n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n bytes internal ZRX_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (address _exchange, bytes memory _zrxAssetData)\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n }\n\n /// @dev Fetches information for order and maker/taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return OrderInfo and TraderInfo instances for given order.\n function getOrderAndTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo, TraderInfo memory traderInfo)\n {\n orderInfo = EXCHANGE.getOrderInfo(order);\n traderInfo = getTraderInfo(order, takerAddress);\n return (orderInfo, traderInfo);\n }\n\n /// @dev Fetches information for all passed in orders and the makers/takers of each order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Arrays of OrderInfo and TraderInfo instances that correspond to each order.\n function getOrdersAndTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (LibOrder.OrderInfo[] memory ordersInfo, TraderInfo[] memory tradersInfo)\n {\n ordersInfo = EXCHANGE.getOrdersInfo(orders);\n tradersInfo = getTradersInfo(orders, takerAddresses);\n return (ordersInfo, tradersInfo);\n }\n\n /// @dev Fetches balance and allowances for maker and taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return Balances and allowances of maker and taker of order.\n function getTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (TraderInfo memory traderInfo)\n {\n (traderInfo.makerBalance, traderInfo.makerAllowance) = getBalanceAndAllowance(order.makerAddress, order.makerAssetData);\n (traderInfo.takerBalance, traderInfo.takerAllowance) = getBalanceAndAllowance(takerAddress, order.takerAssetData);\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n (traderInfo.makerZrxBalance, traderInfo.makerZrxAllowance) = getBalanceAndAllowance(order.makerAddress, zrxAssetData);\n (traderInfo.takerZrxBalance, traderInfo.takerZrxAllowance) = getBalanceAndAllowance(takerAddress, zrxAssetData);\n return traderInfo;\n }\n\n /// @dev Fetches balances and allowances of maker and taker for each provided order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Array of balances and allowances for maker and taker of each order.\n function getTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (TraderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n TraderInfo[] memory tradersInfo = new TraderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n tradersInfo[i] = getTraderInfo(orders[i], takerAddresses[i]);\n }\n return tradersInfo;\n }\n\n /// @dev Fetches token balances and allowances of an address to given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Encoded data that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balance of asset and allowance set to given proxy of asset.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalanceAndAllowance(address target, bytes memory assetData)\n public\n view\n returns (uint256 balance, uint256 allowance)\n {\n bytes4 assetProxyId = assetData.readBytes4(0);\n address token = assetData.readAddress(16);\n address assetProxy = EXCHANGE.getAssetProxy(assetProxyId);\n\n if (assetProxyId == ERC20_DATA_ID) {\n // Query balance\n balance = IERC20Token(token).balanceOf(target);\n\n // Query allowance\n allowance = IERC20Token(token).allowance(target, assetProxy);\n } else if (assetProxyId == ERC721_DATA_ID) {\n uint256 tokenId = assetData.readUint256(36);\n\n // Query owner of tokenId\n address owner = getERC721TokenOwner(token, tokenId);\n\n // Set balance to 1 if tokenId is owned by target\n balance = target == owner ? 1 : 0;\n\n // Check if ERC721Proxy is approved to spend tokenId\n bool isApproved = IERC721Token(token).isApprovedForAll(target, assetProxy) || IERC721Token(token).getApproved(tokenId) == assetProxy;\n \n // Set alowance to 1 if ERC721Proxy is approved to spend tokenId\n allowance = isApproved ? 1 : 0;\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n return (balance, allowance);\n }\n\n /// @dev Fetches token balances and allowances of an address for each given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Array of encoded byte arrays that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balances and allowances of assets.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalancesAndAllowances(address target, bytes[] memory assetData)\n public\n view\n returns (uint256[] memory, uint256[] memory)\n {\n uint256 length = assetData.length;\n uint256[] memory balances = new uint256[](length);\n uint256[] memory allowances = new uint256[](length);\n for (uint256 i = 0; i != length; i++) {\n (balances[i], allowances[i]) = getBalanceAndAllowance(target, assetData[i]);\n }\n return (balances, allowances);\n }\n\n /// @dev Calls `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token.\n /// @param token Address of ERC721 token.\n /// @param tokenId The identifier for the specific NFT.\n /// @return Owner of tokenId or null address if unowned.\n function getERC721TokenOwner(address token, uint256 tokenId)\n public\n view\n returns (address owner)\n {\n assembly {\n // load free memory pointer\n let cdStart := mload(64)\n\n // bytes4(keccak256(ownerOf(uint256))) = 0x6352211e\n mstore(cdStart, 0x6352211e00000000000000000000000000000000000000000000000000000000)\n mstore(add(cdStart, 4), tokenId)\n\n // staticcall `ownerOf(tokenId)`\n // `ownerOf` will revert if tokenId is not owned\n let success := staticcall(\n gas, // forward all gas\n token, // call token contract\n cdStart, // start of calldata\n 36, // length of input is 36 bytes\n cdStart, // write output over input\n 32 // size of output is 32 bytes\n )\n\n // Success implies that tokenId is owned\n // Copy owner from return data if successful\n if success {\n owner := mload(cdStart)\n } \n }\n\n // Owner initialized to address(0), no need to modify if call is unsuccessful\n return owner;\n }\n}\n", - "2.0.0/multisig/MultiSigWallet.sol": "// solhint-disable\npragma solidity ^0.4.15;\n\n\n/// @title Multisignature wallet - Allows multiple parties to agree on transactions before execution.\n/// @author Stefan George - \ncontract MultiSigWallet {\n\n /*\n * Events\n */\n event Confirmation(address indexed sender, uint indexed transactionId);\n event Revocation(address indexed sender, uint indexed transactionId);\n event Submission(uint indexed transactionId);\n event Execution(uint indexed transactionId);\n event ExecutionFailure(uint indexed transactionId);\n event Deposit(address indexed sender, uint value);\n event OwnerAddition(address indexed owner);\n event OwnerRemoval(address indexed owner);\n event RequirementChange(uint required);\n\n /*\n * Constants\n */\n uint constant public MAX_OWNER_COUNT = 50;\n\n /*\n * Storage\n */\n mapping (uint => Transaction) public transactions;\n mapping (uint => mapping (address => bool)) public confirmations;\n mapping (address => bool) public isOwner;\n address[] public owners;\n uint public required;\n uint public transactionCount;\n\n struct Transaction {\n address destination;\n uint value;\n bytes data;\n bool executed;\n }\n\n /*\n * Modifiers\n */\n modifier onlyWallet() {\n require(msg.sender == address(this));\n _;\n }\n\n modifier ownerDoesNotExist(address owner) {\n require(!isOwner[owner]);\n _;\n }\n\n modifier ownerExists(address owner) {\n require(isOwner[owner]);\n _;\n }\n\n modifier transactionExists(uint transactionId) {\n require(transactions[transactionId].destination != 0);\n _;\n }\n\n modifier confirmed(uint transactionId, address owner) {\n require(confirmations[transactionId][owner]);\n _;\n }\n\n modifier notConfirmed(uint transactionId, address owner) {\n require(!confirmations[transactionId][owner]);\n _;\n }\n\n modifier notExecuted(uint transactionId) {\n require(!transactions[transactionId].executed);\n _;\n }\n\n modifier notNull(address _address) {\n require(_address != 0);\n _;\n }\n\n modifier validRequirement(uint ownerCount, uint _required) {\n require(ownerCount <= MAX_OWNER_COUNT\n && _required <= ownerCount\n && _required != 0\n && ownerCount != 0);\n _;\n }\n\n /// @dev Fallback function allows to deposit ether.\n function()\n payable\n {\n if (msg.value > 0)\n Deposit(msg.sender, msg.value);\n }\n\n /*\n * Public functions\n */\n /// @dev Contract constructor sets initial owners and required number of confirmations.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n function MultiSigWallet(address[] _owners, uint _required)\n public\n validRequirement(_owners.length, _required)\n {\n for (uint i=0; i<_owners.length; i++) {\n require(!isOwner[_owners[i]] && _owners[i] != 0);\n isOwner[_owners[i]] = true;\n }\n owners = _owners;\n required = _required;\n }\n\n /// @dev Allows to add a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of new owner.\n function addOwner(address owner)\n public\n onlyWallet\n ownerDoesNotExist(owner)\n notNull(owner)\n validRequirement(owners.length + 1, required)\n {\n isOwner[owner] = true;\n owners.push(owner);\n OwnerAddition(owner);\n }\n\n /// @dev Allows to remove an owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner.\n function removeOwner(address owner)\n public\n onlyWallet\n ownerExists(owner)\n {\n isOwner[owner] = false;\n for (uint i=0; i owners.length)\n changeRequirement(owners.length);\n OwnerRemoval(owner);\n }\n\n /// @dev Allows to replace an owner with a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner to be replaced.\n /// @param newOwner Address of new owner.\n function replaceOwner(address owner, address newOwner)\n public\n onlyWallet\n ownerExists(owner)\n ownerDoesNotExist(newOwner)\n {\n for (uint i=0; i\n// solhint-disable not-rely-on-time\ncontract MultiSigWalletWithTimeLock is\n MultiSigWallet\n{\n event ConfirmationTimeSet(uint256 indexed transactionId, uint256 confirmationTime);\n event TimeLockChange(uint256 secondsTimeLocked);\n\n uint256 public secondsTimeLocked;\n\n mapping (uint256 => uint256) public confirmationTimes;\n\n modifier notFullyConfirmed(uint256 transactionId) {\n require(\n !isConfirmed(transactionId),\n \"TX_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier fullyConfirmed(uint256 transactionId) {\n require(\n isConfirmed(transactionId),\n \"TX_NOT_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier pastTimeLock(uint256 transactionId) {\n require(\n block.timestamp >= confirmationTimes[transactionId] + secondsTimeLocked,\n \"TIME_LOCK_INCOMPLETE\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations, and time lock.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] _owners,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWallet(_owners, _required)\n {\n secondsTimeLocked = _secondsTimeLocked;\n }\n\n /// @dev Changes the duration of the time lock for transactions.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n function changeTimeLock(uint256 _secondsTimeLocked)\n public\n onlyWallet\n {\n secondsTimeLocked = _secondsTimeLocked;\n emit TimeLockChange(_secondsTimeLocked);\n }\n\n /// @dev Allows an owner to confirm a transaction.\n /// @param transactionId Transaction ID.\n function confirmTransaction(uint256 transactionId)\n public\n ownerExists(msg.sender)\n transactionExists(transactionId)\n notConfirmed(transactionId, msg.sender)\n notFullyConfirmed(transactionId)\n {\n confirmations[transactionId][msg.sender] = true;\n emit Confirmation(msg.sender, transactionId);\n if (isConfirmed(transactionId)) {\n setConfirmationTime(transactionId, block.timestamp);\n }\n }\n\n /// @dev Allows anyone to execute a confirmed transaction.\n /// @param transactionId Transaction ID.\n function executeTransaction(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n pastTimeLock(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n\n /// @dev Sets the time of when a submission first passed.\n function setConfirmationTime(uint256 transactionId, uint256 confirmationTime)\n internal\n {\n confirmationTimes[transactionId] = confirmationTime;\n emit ConfirmationTimeSet(transactionId, confirmationTime);\n }\n}\n", - "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC20Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n \n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 1 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n\n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. amount |\n\n /////// Read token address from calldata ///////\n // * The token address is stored in `assetData`.\n //\n // * The \"offset to assetData\" is stored at offset 4 in the calldata (table 1).\n // [assetDataOffsetFromParams = calldataload(4)]\n //\n // * Notes that the \"offset to assetData\" is relative to the \"Params\" area of calldata;\n // add 4 bytes to account for the length of the \"Header\" area (table 1).\n // [assetDataOffsetFromHeader = assetDataOffsetFromParams + 4]\n //\n // * The \"token address\" is offset 32+4=36 bytes into \"assetData\" (tables 1 & 2).\n // [tokenOffset = assetDataOffsetFromHeader + 36 = calldataload(4) + 4 + 36]\n let token := calldataload(add(calldataload(4), 40))\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from`, `to` and `amount` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 96)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output over input\n 32 // output size should be 32 bytes\n )\n\n /////// Check return data. ///////\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // nonzero 32 bytes value.\n // So the transfer succeeded if the call succeeded and either\n // returned nothing, or returned a non-zero 32 byte value. \n success := and(success, or(\n iszero(returndatasize),\n and(\n eq(returndatasize, 32),\n gt(mload(0), 0)\n )\n ))\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", - "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC721Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 2 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n // | | 36 | | 2. tokenId |\n \n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. tokenId |\n\n // There exists only 1 of each token.\n // require(amount == 1, \"INVALID_AMOUNT\")\n if sub(calldataload(100), 1) {\n // Revert with `Error(\"INVALID_AMOUNT\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from` and `to` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 64)\n\n // Copy `tokenId` field from our own calldata to the new calldata.\n let assetDataOffset := calldataload(4)\n calldatacopy(68, add(assetDataOffset, 72), 32)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let token := calldataload(add(assetDataOffset, 40))\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output to null\n 0 // output size is 0 bytes\n )\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", - "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAuthorizable.sol\";\n\n\ncontract MixinAuthorizable is\n Ownable,\n MAuthorizable\n{\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized {\n require(\n authorized[msg.sender],\n \"SENDER_NOT_AUTHORIZED\"\n );\n _;\n }\n\n mapping (address => bool) public authorized;\n address[] public authorities;\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n !authorized[target],\n \"TARGET_ALREADY_AUTHORIZED\"\n );\n\n authorized[target] = true;\n authorities.push(target);\n emit AuthorizedAddressAdded(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n\n delete authorized[target];\n for (uint256 i = 0; i < authorities.length; i++) {\n if (authorities[i] == target) {\n authorities[i] = authorities[authorities.length - 1];\n authorities.length -= 1;\n break;\n }\n }\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n require(\n index < authorities.length,\n \"INDEX_OUT_OF_BOUNDS\"\n );\n require(\n authorities[index] == target,\n \"AUTHORIZED_ADDRESS_MISMATCH\"\n );\n\n delete authorized[target];\n authorities[index] = authorities[authorities.length - 1];\n authorities.length -= 1;\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory)\n {\n return authorities;\n }\n}\n", - "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IAuthorizable.sol\";\n\n\ncontract IAssetProxy is\n IAuthorizable\n{\n /// @dev Transfers assets. Either succeeds or throws.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n function transferFrom(\n bytes assetData,\n address from,\n address to,\n uint256 amount\n )\n external;\n \n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4);\n}\n", - "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/Ownable/IOwnable.sol\";\n\n\ncontract IAuthorizable is\n IOwnable\n{\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external;\n \n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory);\n}\n", - "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAuthorizable.sol\";\n\n\ncontract MAuthorizable is\n IAuthorizable\n{\n // Event logged when a new address is authorized.\n event AuthorizedAddressAdded(\n address indexed target,\n address indexed caller\n );\n\n // Event logged when a currently authorized address is unauthorized.\n event AuthorizedAddressRemoved(\n address indexed target,\n address indexed caller\n );\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized { revert(); _; }\n}\n", - "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../multisig/MultiSigWalletWithTimeLock.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract AssetProxyOwner is\n MultiSigWalletWithTimeLock\n{\n using LibBytes for bytes;\n\n event AssetProxyRegistration(address assetProxyContract, bool isRegistered);\n\n // Mapping of AssetProxy contract address =>\n // if this contract is allowed to call the AssetProxy's `removeAuthorizedAddressAtIndex` method without a time lock.\n mapping (address => bool) public isAssetProxyRegistered;\n\n bytes4 constant internal REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR = bytes4(keccak256(\"removeAuthorizedAddressAtIndex(address,uint256)\"));\n\n /// @dev Function will revert if the transaction does not call `removeAuthorizedAddressAtIndex`\n /// on an approved AssetProxy contract.\n modifier validRemoveAuthorizedAddressAtIndexTx(uint256 transactionId) {\n Transaction storage txn = transactions[transactionId];\n require(\n isAssetProxyRegistered[txn.destination],\n \"UNREGISTERED_ASSET_PROXY\"\n );\n require(\n txn.data.readBytes4(0) == REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR,\n \"INVALID_FUNCTION_SELECTOR\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations,\n /// time lock, and list of AssetProxy addresses.\n /// @param _owners List of initial owners.\n /// @param _assetProxyContracts Array of AssetProxy contract addresses.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] memory _owners,\n address[] memory _assetProxyContracts,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWalletWithTimeLock(_owners, _required, _secondsTimeLocked)\n {\n for (uint256 i = 0; i < _assetProxyContracts.length; i++) {\n address assetProxy = _assetProxyContracts[i];\n require(\n assetProxy != address(0),\n \"INVALID_ASSET_PROXY\"\n );\n isAssetProxyRegistered[assetProxy] = true;\n }\n }\n\n /// @dev Registers or deregisters an AssetProxy to be able to execute\n /// `removeAuthorizedAddressAtIndex` without a timelock.\n /// @param assetProxyContract Address of AssetProxy contract.\n /// @param isRegistered Status of approval for AssetProxy contract.\n function registerAssetProxy(address assetProxyContract, bool isRegistered)\n public\n onlyWallet\n notNull(assetProxyContract)\n {\n isAssetProxyRegistered[assetProxyContract] = isRegistered;\n emit AssetProxyRegistration(assetProxyContract, isRegistered);\n }\n\n /// @dev Allows execution of `removeAuthorizedAddressAtIndex` without time lock.\n /// @param transactionId Transaction ID.\n function executeRemoveAuthorizedAddressAtIndex(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n validRemoveAuthorizedAddressAtIndexTx(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n}\n", - "2.0.0/protocol/Exchange/Exchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinExchangeCore.sol\";\nimport \"./MixinSignatureValidator.sol\";\nimport \"./MixinWrapperFunctions.sol\";\nimport \"./MixinAssetProxyDispatcher.sol\";\nimport \"./MixinTransactions.sol\";\nimport \"./MixinMatchOrders.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Exchange is\n MixinExchangeCore,\n MixinMatchOrders,\n MixinSignatureValidator,\n MixinTransactions,\n MixinAssetProxyDispatcher,\n MixinWrapperFunctions\n{\n string constant public VERSION = \"2.0.1-alpha\";\n\n // Mixins are instantiated in the order they are inherited\n constructor (bytes memory _zrxAssetData)\n public\n LibConstants(_zrxAssetData) // @TODO: Remove when we deploy.\n MixinExchangeCore()\n MixinMatchOrders()\n MixinSignatureValidator()\n MixinTransactions()\n MixinAssetProxyDispatcher()\n MixinWrapperFunctions()\n {}\n}\n", - "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\nimport \"../AssetProxy/interfaces/IAssetProxy.sol\";\n\n\ncontract MixinAssetProxyDispatcher is\n Ownable,\n MAssetProxyDispatcher\n{\n // Mapping from Asset Proxy Id's to their respective Asset Proxy\n mapping (bytes4 => IAssetProxy) public assetProxies;\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external\n onlyOwner\n {\n IAssetProxy assetProxyContract = IAssetProxy(assetProxy);\n\n // Ensure that no asset proxy exists with current id.\n bytes4 assetProxyId = assetProxyContract.getProxyId();\n address currentAssetProxy = assetProxies[assetProxyId];\n require(\n currentAssetProxy == address(0),\n \"ASSET_PROXY_ALREADY_EXISTS\"\n );\n\n // Add asset proxy and log registration.\n assetProxies[assetProxyId] = assetProxyContract;\n emit AssetProxyRegistered(\n assetProxyId,\n assetProxy\n );\n }\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address)\n {\n return assetProxies[assetProxyId];\n }\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal\n {\n // Do nothing if no amount should be transferred.\n if (amount > 0 && from != to) {\n // Ensure assetData length is valid\n require(\n assetData.length > 3,\n \"LENGTH_GREATER_THAN_3_REQUIRED\"\n );\n \n // Lookup assetProxy. We do not use `LibBytes.readBytes4` for gas efficiency reasons.\n bytes4 assetProxyId;\n assembly {\n assetProxyId := and(mload(\n add(assetData, 32)),\n 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000\n )\n }\n address assetProxy = assetProxies[assetProxyId];\n\n // Ensure that assetProxy exists\n require(\n assetProxy != address(0),\n \"ASSET_PROXY_DOES_NOT_EXIST\"\n );\n \n // We construct calldata for the `assetProxy.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n\n assembly {\n /////// Setup State ///////\n // `cdStart` is the start of the calldata for `assetProxy.transferFrom` (equal to free memory ptr).\n let cdStart := mload(64)\n // `dataAreaLength` is the total number of words needed to store `assetData`\n // As-per the ABI spec, this value is padded up to the nearest multiple of 32,\n // and includes 32-bytes for length.\n let dataAreaLength := and(add(mload(assetData), 63), 0xFFFFFFFFFFFE0)\n // `cdEnd` is the end of the calldata for `assetProxy.transferFrom`.\n let cdEnd := add(cdStart, add(132, dataAreaLength))\n\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFromSelector`.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes.\n // Notes:\n // 1. The offset to `assetData` is the length of the Params Area (128 bytes).\n // 2. A 20-byte mask is applied to addresses to zero-out the unused bytes.\n mstore(add(cdStart, 4), 128)\n mstore(add(cdStart, 36), and(from, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 68), and(to, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 100), amount)\n \n /////// Setup Data Area ///////\n // This area holds `assetData`.\n let dataArea := add(cdStart, 132)\n // solhint-disable-next-line no-empty-blocks\n for {} lt(dataArea, cdEnd) {} {\n mstore(dataArea, mload(assetData))\n dataArea := add(dataArea, 32)\n assetData := add(assetData, 32)\n }\n\n /////// Call `assetProxy.transferFrom` using the constructed calldata ///////\n let success := call(\n gas, // forward all gas\n assetProxy, // call address of asset proxy\n 0, // don't send any ETH\n cdStart, // pointer to start of input\n sub(cdEnd, cdStart), // length of input \n cdStart, // write output over input\n 512 // reserve 512 bytes for output\n )\n if iszero(success) {\n revert(cdStart, returndatasize())\n }\n }\n }\n }\n}\n", - "2.0.0/protocol/Exchange/MixinExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinExchangeCore is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n LibOrder,\n LibFillResults,\n MAssetProxyDispatcher,\n MExchangeCore,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of orderHash => amount of takerAsset already bought by maker\n mapping (bytes32 => uint256) public filled;\n\n // Mapping of orderHash => cancelled\n mapping (bytes32 => bool) public cancelled;\n\n // Mapping of makerAddress => senderAddress => lowest salt an order can have in order to be fillable\n // Orders with specified senderAddress and with a salt less than their epoch are considered cancelled\n mapping (address => mapping (address => uint256)) public orderEpoch;\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external\n nonReentrant\n {\n address makerAddress = getCurrentContextAddress();\n // If this function is called via `executeTransaction`, we only update the orderEpoch for the makerAddress/msg.sender combination.\n // This allows external filter contracts to add rules to how orders are cancelled via this function.\n address senderAddress = makerAddress == msg.sender ? address(0) : msg.sender;\n\n // orderEpoch is initialized to 0, so to cancelUpTo we need salt + 1\n uint256 newOrderEpoch = targetOrderEpoch + 1; \n uint256 oldOrderEpoch = orderEpoch[makerAddress][senderAddress];\n\n // Ensure orderEpoch is monotonically increasing\n require(\n newOrderEpoch > oldOrderEpoch, \n \"INVALID_NEW_ORDER_EPOCH\"\n );\n\n // Update orderEpoch\n orderEpoch[makerAddress][senderAddress] = newOrderEpoch;\n emit CancelUpTo(\n makerAddress,\n senderAddress,\n newOrderEpoch\n );\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrder(Order memory order)\n public\n nonReentrant\n {\n cancelOrderInternal(order);\n }\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(Order memory order)\n public\n view\n returns (OrderInfo memory orderInfo)\n {\n // Compute the order hash\n orderInfo.orderHash = getOrderHash(order);\n\n // Fetch filled amount\n orderInfo.orderTakerAssetFilledAmount = filled[orderInfo.orderHash];\n\n // If order.makerAssetAmount is zero, we also reject the order.\n // While the Exchange contract handles them correctly, they create\n // edge cases in the supporting infrastructure because they have\n // an 'infinite' price when computed by a simple division.\n if (order.makerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_MAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // If order.takerAssetAmount is zero, then the order will always\n // be considered filled because 0 == takerAssetAmount == orderTakerAssetFilledAmount\n // Instead of distinguishing between unfilled and filled zero taker\n // amount orders, we choose not to support them.\n if (order.takerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_TAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // Validate order availability\n if (orderInfo.orderTakerAssetFilledAmount >= order.takerAssetAmount) {\n orderInfo.orderStatus = uint8(OrderStatus.FULLY_FILLED);\n return orderInfo;\n }\n\n // Validate order expiration\n // solhint-disable-next-line not-rely-on-time\n if (block.timestamp >= order.expirationTimeSeconds) {\n orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);\n return orderInfo;\n }\n\n // Check if order has been cancelled\n if (cancelled[orderInfo.orderHash]) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n if (orderEpoch[order.makerAddress][order.senderAddress] > order.salt) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n\n // All other statuses are ruled out: order is Fillable\n orderInfo.orderStatus = uint8(OrderStatus.FILLABLE);\n return orderInfo;\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // Fetch order info\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Assert that the order is fillable by taker\n assertFillableOrder(\n order,\n orderInfo,\n takerAddress,\n signature\n );\n \n // Get amount of takerAsset to fill\n uint256 remainingTakerAssetAmount = safeSub(order.takerAssetAmount, orderInfo.orderTakerAssetFilledAmount);\n uint256 takerAssetFilledAmount = min256(takerAssetFillAmount, remainingTakerAssetAmount);\n\n // Validate context\n assertValidFill(\n order,\n orderInfo,\n takerAssetFillAmount,\n takerAssetFilledAmount,\n fillResults.makerAssetFilledAmount\n );\n\n // Compute proportional fill amounts\n fillResults = calculateFillResults(order, takerAssetFilledAmount);\n\n // Update exchange internal state\n updateFilledState(\n order,\n takerAddress,\n orderInfo.orderHash,\n orderInfo.orderTakerAssetFilledAmount,\n fillResults\n );\n \n // Settle order\n settleOrder(\n order,\n takerAddress,\n fillResults\n );\n\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrderInternal(Order memory order)\n internal\n {\n // Fetch current order status\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Validate context\n assertValidCancel(order, orderInfo);\n\n // Perform cancel\n updateCancelledState(order, orderInfo.orderHash);\n }\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n function updateFilledState(\n Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n FillResults memory fillResults\n )\n internal\n {\n // Update state\n filled[orderHash] = safeAdd(orderTakerAssetFilledAmount, fillResults.takerAssetFilledAmount);\n\n // Log order\n emit Fill(\n order.makerAddress,\n order.feeRecipientAddress,\n takerAddress,\n msg.sender,\n fillResults.makerAssetFilledAmount,\n fillResults.takerAssetFilledAmount,\n fillResults.makerFeePaid,\n fillResults.takerFeePaid,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n Order memory order,\n bytes32 orderHash\n )\n internal\n {\n // Perform cancel\n cancelled[orderHash] = true;\n\n // Log cancel\n emit Cancel(\n order.makerAddress,\n order.feeRecipientAddress,\n msg.sender,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n Order memory order,\n OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view\n {\n // An order can only be filled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n \n // Validate sender is allowed to fill this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n \n // Validate taker is allowed to fill this order\n if (order.takerAddress != address(0)) {\n require(\n order.takerAddress == takerAddress,\n \"INVALID_TAKER\"\n );\n }\n \n // Validate Maker signature (check only if first time seen)\n if (orderInfo.orderTakerAssetFilledAmount == 0) {\n require(\n isValidSignature(\n orderInfo.orderHash,\n order.makerAddress,\n signature\n ),\n \"INVALID_ORDER_SIGNATURE\"\n );\n }\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n Order memory order,\n OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount, // TODO: use FillResults\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view\n {\n // Revert if fill amount is invalid\n // TODO: reconsider necessity for v2.1\n require(\n takerAssetFillAmount != 0,\n \"INVALID_TAKER_AMOUNT\"\n );\n \n // Make sure taker does not pay more than desired amount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n takerAssetFilledAmount <= takerAssetFillAmount,\n \"TAKER_OVERPAY\"\n );\n \n // Make sure order is not overfilled\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeAdd(orderInfo.orderTakerAssetFilledAmount, takerAssetFilledAmount) <= order.takerAssetAmount,\n \"ORDER_OVERFILL\"\n );\n \n // Make sure order is filled at acceptable price.\n // The order has an implied price from the makers perspective:\n // order price = order.makerAssetAmount / order.takerAssetAmount\n // i.e. the number of makerAsset maker is paying per takerAsset. The\n // maker is guaranteed to get this price or a better (lower) one. The\n // actual price maker is getting in this fill is:\n // fill price = makerAssetFilledAmount / takerAssetFilledAmount\n // We need `fill price <= order price` for the fill to be fair to maker.\n // This amounts to:\n // makerAssetFilledAmount order.makerAssetAmount\n // ------------------------ <= -----------------------\n // takerAssetFilledAmount order.takerAssetAmount\n // or, equivalently:\n // makerAssetFilledAmount * order.takerAssetAmount <=\n // order.makerAssetAmount * takerAssetFilledAmount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeMul(makerAssetFilledAmount, order.takerAssetAmount)\n <= \n safeMul(order.makerAssetAmount, takerAssetFilledAmount),\n \"INVALID_FILL_PRICE\"\n );\n }\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n Order memory order,\n OrderInfo memory orderInfo\n )\n internal\n view\n {\n // Ensure order is valid\n // An order can only be cancelled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Validate sender is allowed to cancel this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate transaction signed by maker\n address makerAddress = getCurrentContextAddress();\n require(\n order.makerAddress == makerAddress,\n \"INVALID_MAKER\"\n );\n }\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (FillResults memory fillResults)\n {\n // Compute proportional transfer amounts\n fillResults.takerAssetFilledAmount = takerAssetFilledAmount;\n fillResults.makerAssetFilledAmount = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n );\n fillResults.makerFeePaid = safeGetPartialAmountFloor(\n fillResults.makerAssetFilledAmount,\n order.makerAssetAmount,\n order.makerFee\n );\n fillResults.takerFeePaid = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.takerFee\n );\n\n return fillResults;\n }\n\n /// @dev Settles an order by transferring assets between counterparties.\n /// @param order Order struct containing order specifications.\n /// @param takerAddress Address selling takerAsset and buying makerAsset.\n /// @param fillResults Amounts to be filled and fees paid by maker and taker.\n function settleOrder(\n LibOrder.Order memory order,\n address takerAddress,\n LibFillResults.FillResults memory fillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n dispatchTransferFrom(\n order.makerAssetData,\n order.makerAddress,\n takerAddress,\n fillResults.makerAssetFilledAmount\n );\n dispatchTransferFrom(\n order.takerAssetData,\n takerAddress,\n order.makerAddress,\n fillResults.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n zrxAssetData,\n order.makerAddress,\n order.feeRecipientAddress,\n fillResults.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n order.feeRecipientAddress,\n fillResults.takerFeePaid\n );\n }\n}\n", - "2.0.0/protocol/Exchange/MixinMatchOrders.sol": "/*\n Copyright 2018 ZeroEx Intl.\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n http://www.apache.org/licenses/LICENSE-2.0\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MMatchOrders.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinMatchOrders is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n MAssetProxyDispatcher,\n MExchangeCore,\n MMatchOrders,\n MTransactions\n{\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n nonReentrant\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We assume that rightOrder.takerAssetData == leftOrder.makerAssetData and rightOrder.makerAssetData == leftOrder.takerAssetData.\n // If this assumption isn't true, the match will fail at signature validation.\n rightOrder.makerAssetData = leftOrder.takerAssetData;\n rightOrder.takerAssetData = leftOrder.makerAssetData;\n\n // Get left & right order info\n LibOrder.OrderInfo memory leftOrderInfo = getOrderInfo(leftOrder);\n LibOrder.OrderInfo memory rightOrderInfo = getOrderInfo(rightOrder);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Either our context is valid or we revert\n assertFillableOrder(\n leftOrder,\n leftOrderInfo,\n takerAddress,\n leftSignature\n );\n assertFillableOrder(\n rightOrder,\n rightOrderInfo,\n takerAddress,\n rightSignature\n );\n assertValidMatch(leftOrder, rightOrder);\n\n // Compute proportional fill amounts\n matchedFillResults = calculateMatchedFillResults(\n leftOrder,\n rightOrder,\n leftOrderInfo.orderTakerAssetFilledAmount,\n rightOrderInfo.orderTakerAssetFilledAmount\n );\n\n // Validate fill contexts\n assertValidFill(\n leftOrder,\n leftOrderInfo,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.makerAssetFilledAmount\n );\n assertValidFill(\n rightOrder,\n rightOrderInfo,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n \n // Update exchange state\n updateFilledState(\n leftOrder,\n takerAddress,\n leftOrderInfo.orderHash,\n leftOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.left\n );\n updateFilledState(\n rightOrder,\n takerAddress,\n rightOrderInfo.orderHash,\n rightOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.right\n );\n\n // Settle matched orders. Succeeds or throws.\n settleMatchedOrders(\n leftOrder,\n rightOrder,\n takerAddress,\n matchedFillResults\n );\n\n return matchedFillResults;\n }\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure\n {\n // Make sure there is a profitable spread.\n // There is a profitable spread iff the cost per unit bought (OrderA.MakerAmount/OrderA.TakerAmount) for each order is greater\n // than the profit per unit sold of the matched order (OrderB.TakerAmount/OrderB.MakerAmount).\n // This is satisfied by the equations below:\n // / >= / \n // AND\n // / >= / \n // These equations can be combined to get the following:\n require(\n safeMul(leftOrder.makerAssetAmount, rightOrder.makerAssetAmount) >=\n safeMul(leftOrder.takerAssetAmount, rightOrder.takerAssetAmount),\n \"NEGATIVE_SPREAD_REQUIRED\"\n );\n }\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // Derive maker asset amounts for left & right orders, given store taker assert amounts\n uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);\n uint256 leftMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n leftTakerAssetAmountRemaining\n );\n uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);\n uint256 rightMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n rightOrder.makerAssetAmount,\n rightOrder.takerAssetAmount,\n rightTakerAssetAmountRemaining\n );\n\n // Calculate fill results for maker and taker assets: at least one order will be fully filled.\n // The maximum amount the left maker can buy is `leftTakerAssetAmountRemaining`\n // The maximum amount the right maker can sell is `rightMakerAssetAmountRemaining`\n // We have two distinct cases for calculating the fill results:\n // Case 1.\n // If the left maker can buy more than the right maker can sell, then only the right order is fully filled.\n // If the left maker can buy exactly what the right maker can sell, then both orders are fully filled.\n // Case 2.\n // If the left maker cannot buy more than the right maker can sell, then only the left order is fully filled.\n if (leftTakerAssetAmountRemaining >= rightMakerAssetAmountRemaining) {\n // Case 1: Right order is fully filled\n matchedFillResults.right.makerAssetFilledAmount = rightMakerAssetAmountRemaining;\n matchedFillResults.right.takerAssetFilledAmount = rightTakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = matchedFillResults.right.makerAssetFilledAmount;\n // Round down to ensure the maker's exchange rate does not exceed the price specified by the order. \n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.left.makerAssetFilledAmount = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n matchedFillResults.left.takerAssetFilledAmount\n );\n } else {\n // Case 2: Left order is fully filled\n matchedFillResults.left.makerAssetFilledAmount = leftMakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = leftTakerAssetAmountRemaining;\n matchedFillResults.right.makerAssetFilledAmount = matchedFillResults.left.takerAssetFilledAmount;\n // Round up to ensure the maker's exchange rate does not exceed the price specified by the order.\n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.right.takerAssetFilledAmount = safeGetPartialAmountCeil(\n rightOrder.takerAssetAmount,\n rightOrder.makerAssetAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n }\n\n // Calculate amount given to taker\n matchedFillResults.leftMakerAssetSpreadAmount = safeSub(\n matchedFillResults.left.makerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount\n );\n\n // Compute fees for left order\n matchedFillResults.left.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.makerAssetFilledAmount,\n leftOrder.makerAssetAmount,\n leftOrder.makerFee\n );\n matchedFillResults.left.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.takerAssetFilledAmount,\n leftOrder.takerAssetAmount,\n leftOrder.takerFee\n );\n\n // Compute fees for right order\n matchedFillResults.right.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.makerAssetFilledAmount,\n rightOrder.makerAssetAmount,\n rightOrder.makerFee\n );\n matchedFillResults.right.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.takerAssetFilledAmount,\n rightOrder.takerAssetAmount,\n rightOrder.takerFee\n );\n\n // Return fill results\n return matchedFillResults;\n }\n\n /// @dev Settles matched order by transferring appropriate funds between order makers, taker, and fee recipient.\n /// @param leftOrder First matched order.\n /// @param rightOrder Second matched order.\n /// @param takerAddress Address that matched the orders. The taker receives the spread between orders as profit.\n /// @param matchedFillResults Struct holding amounts to transfer between makers, taker, and fee recipients.\n function settleMatchedOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n address takerAddress,\n LibFillResults.MatchedFillResults memory matchedFillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n // Order makers and taker\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n rightOrder.makerAddress,\n matchedFillResults.right.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n rightOrder.makerAssetData,\n rightOrder.makerAddress,\n leftOrder.makerAddress,\n matchedFillResults.left.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n takerAddress,\n matchedFillResults.leftMakerAssetSpreadAmount\n );\n\n // Maker fees\n dispatchTransferFrom(\n zrxAssetData,\n leftOrder.makerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n rightOrder.makerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.makerFeePaid\n );\n\n // Taker fees\n if (leftOrder.feeRecipientAddress == rightOrder.feeRecipientAddress) {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n safeAdd(\n matchedFillResults.left.takerFeePaid,\n matchedFillResults.right.takerFeePaid\n )\n );\n } else {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.takerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.takerFeePaid\n );\n }\n }\n}\n", - "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./interfaces/IWallet.sol\";\nimport \"./interfaces/IValidator.sol\";\n\n\ncontract MixinSignatureValidator is\n ReentrancyGuard,\n MSignatureValidator,\n MTransactions\n{\n using LibBytes for bytes;\n \n // Mapping of hash => signer => signed\n mapping (bytes32 => mapping (address => bool)) public preSigned;\n\n // Mapping of signer => validator => approved\n mapping (address => mapping (address => bool)) public allowedValidators;\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n {\n if (signerAddress != msg.sender) {\n require(\n isValidSignature(\n hash,\n signerAddress,\n signature\n ),\n \"INVALID_SIGNATURE\"\n );\n }\n preSigned[hash][signerAddress] = true;\n }\n\n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external\n nonReentrant\n {\n address signerAddress = getCurrentContextAddress();\n allowedValidators[signerAddress][validatorAddress] = approval;\n emit SignatureValidatorApproval(\n signerAddress,\n validatorAddress,\n approval\n );\n }\n\n /// @dev Verifies that a hash has been signed by the given signer.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid)\n {\n require(\n signature.length > 0,\n \"LENGTH_GREATER_THAN_0_REQUIRED\"\n );\n\n // Pop last byte off of signature byte array.\n uint8 signatureTypeRaw = uint8(signature.popLastByte());\n\n // Ensure signature is supported\n require(\n signatureTypeRaw < uint8(SignatureType.NSignatureTypes),\n \"SIGNATURE_UNSUPPORTED\"\n );\n\n SignatureType signatureType = SignatureType(signatureTypeRaw);\n\n // Variables are not scoped in Solidity.\n uint8 v;\n bytes32 r;\n bytes32 s;\n address recovered;\n\n // Always illegal signature.\n // This is always an implicit option since a signer can create a\n // signature array with invalid type or length. We may as well make\n // it an explicit option. This aids testing and analysis. It is\n // also the initialization value for the enum type.\n if (signatureType == SignatureType.Illegal) {\n revert(\"SIGNATURE_ILLEGAL\");\n\n // Always invalid signature.\n // Like Illegal, this is always implicitly available and therefore\n // offered explicitly. It can be implicitly created by providing\n // a correctly formatted but incorrect signature.\n } else if (signatureType == SignatureType.Invalid) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = false;\n return isValid;\n\n // Signature using EIP712\n } else if (signatureType == SignatureType.EIP712) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n hash,\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signed using web3.eth_sign\n } else if (signatureType == SignatureType.EthSign) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n32\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signature verified by wallet contract.\n // If used with an order, the maker of the order is the wallet contract.\n } else if (signatureType == SignatureType.Wallet) {\n isValid = isValidWalletSignature(\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signature verified by validator contract.\n // If used with an order, the maker of the order can still be an EOA.\n // A signature using this type should be encoded as:\n // | Offset | Length | Contents |\n // | 0x00 | x | Signature to validate |\n // | 0x00 + x | 20 | Address of validator contract |\n // | 0x14 + x | 1 | Signature type is always \"\\x06\" |\n } else if (signatureType == SignatureType.Validator) {\n // Pop last 20 bytes off of signature byte array.\n address validatorAddress = signature.popLast20Bytes();\n \n // Ensure signer has approved validator.\n if (!allowedValidators[signerAddress][validatorAddress]) {\n return false;\n }\n isValid = isValidValidatorSignature(\n validatorAddress,\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signer signed hash previously using the preSign function.\n } else if (signatureType == SignatureType.PreSigned) {\n isValid = preSigned[hash][signerAddress];\n return isValid;\n }\n\n // Anything else is illegal (We do not return false because\n // the signature may actually be valid, just not in a format\n // that we currently support. In this case returning false\n // may lead the caller to incorrectly believe that the\n // signature was invalid.)\n revert(\"SIGNATURE_UNSUPPORTED\");\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if signature is valid for given wallet..\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IWallet(walletAddress).isValidSignature.selector,\n hash,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n walletAddress, // address of Wallet contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"WALLET_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000c57414c4c45545f4552524f5200000000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IValidator(signerAddress).isValidSignature.selector,\n hash,\n signerAddress,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n validatorAddress, // address of Validator contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"VALIDATOR_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f56414c494441544f525f4552524f5200000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n}\n", - "2.0.0/protocol/Exchange/MixinTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"./libs/LibExchangeErrors.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./libs/LibEIP712.sol\";\n\n\ncontract MixinTransactions is\n LibEIP712,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of transaction hash => executed\n // This prevents transactions from being executed more than once.\n mapping (bytes32 => bool) public transactions;\n\n // Address of current transaction signer\n address public currentContextAddress;\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external\n {\n // Prevent reentrancy\n require(\n currentContextAddress == address(0),\n \"REENTRANCY_ILLEGAL\"\n );\n\n bytes32 transactionHash = hashEIP712Message(hashZeroExTransaction(\n salt,\n signerAddress,\n data\n ));\n\n // Validate transaction has not been executed\n require(\n !transactions[transactionHash],\n \"INVALID_TX_HASH\"\n );\n\n // Transaction always valid if signer is sender of transaction\n if (signerAddress != msg.sender) {\n // Validate signature\n require(\n isValidSignature(\n transactionHash,\n signerAddress,\n signature\n ),\n \"INVALID_TX_SIGNATURE\"\n );\n\n // Set the current transaction signer\n currentContextAddress = signerAddress;\n }\n\n // Execute transaction\n transactions[transactionHash] = true;\n require(\n address(this).delegatecall(data),\n \"FAILED_EXECUTION\"\n );\n\n // Reset current transaction signer if it was previously updated\n if (signerAddress != msg.sender) {\n currentContextAddress = address(0);\n }\n }\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;\n bytes32 dataHash = keccak256(data);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,\n // salt,\n // bytes32(signerAddress),\n // keccak256(data)\n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, schemaHash) // hash of schema\n mstore(add(memPtr, 32), salt) // salt\n mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff)) // signerAddress\n mstore(add(memPtr, 96), dataHash) // hash of data\n\n // Compute hash\n result := keccak256(memPtr, 128)\n }\n return result;\n }\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address)\n {\n address currentContextAddress_ = currentContextAddress;\n address contextAddress = currentContextAddress_ == address(0) ? msg.sender : currentContextAddress_;\n return contextAddress;\n }\n}\n", - "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibAbiEncoder.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MWrapperFunctions.sol\";\n\n\ncontract MixinWrapperFunctions is\n ReentrancyGuard,\n LibMath,\n LibFillResults,\n LibAbiEncoder,\n MExchangeCore,\n MWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrKillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n // Delegate to `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := delegatecall(\n gas, // forward all gas\n address, // call address of this contract\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrKillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n \n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public\n nonReentrant\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n cancelOrderInternal(orders[i]);\n }\n }\n\n /// @dev Fetches information for all passed in orders.\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n LibOrder.OrderInfo[] memory ordersInfo = new LibOrder.OrderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n ordersInfo[i] = getOrderInfo(orders[i]);\n }\n return ordersInfo;\n }\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n require(\n fillResults.takerAssetFilledAmount == takerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return fillResults;\n }\n}\n", - "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssetProxyDispatcher {\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external;\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IExchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./IExchangeCore.sol\";\nimport \"./IMatchOrders.sol\";\nimport \"./ISignatureValidator.sol\";\nimport \"./ITransactions.sol\";\nimport \"./IAssetProxyDispatcher.sol\";\nimport \"./IWrapperFunctions.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract IExchange is\n IExchangeCore,\n IMatchOrders,\n ISignatureValidator,\n ITransactions,\n IAssetProxyDispatcher,\n IWrapperFunctions\n{}\n", - "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IExchangeCore {\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external;\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrder(LibOrder.Order memory order)\n public;\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(LibOrder.Order memory order)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IMatchOrders {\n\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n}\n", - "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ISignatureValidator {\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external;\n \n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external;\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address of signer.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\n\ncontract ITransactions {\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external;\n}\n", - "2.0.0/protocol/Exchange/interfaces/IValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IValidator {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IWallet {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IWrapperFunctions {\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public;\n\n /// @dev Fetches information for all passed in orders\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory);\n}\n", - "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./LibOrder.sol\";\n\n\ncontract LibAbiEncoder {\n\n /// @dev ABI encodes calldata for `fillOrder`.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return ABI encoded calldata for `fillOrder`.\n function abiEncodeFillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n pure\n returns (bytes memory fillOrderCalldata)\n {\n // We need to call MExchangeCore.fillOrder using a delegatecall in\n // assembly so that we can intercept a call that throws. For this, we\n // need the input encoded in memory in the Ethereum ABIv2 format [1].\n\n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0x00 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 0x00 | | 1. offset to order (*) |\n // | | 0x20 | | 2. takerAssetFillAmount |\n // | | 0x40 | | 3. offset to signature (*) |\n // | Data | | 12 * 32 | order: |\n // | | 0x000 | | 1. senderAddress |\n // | | 0x020 | | 2. makerAddress |\n // | | 0x040 | | 3. takerAddress |\n // | | 0x060 | | 4. feeRecipientAddress |\n // | | 0x080 | | 5. makerAssetAmount |\n // | | 0x0A0 | | 6. takerAssetAmount |\n // | | 0x0C0 | | 7. makerFeeAmount |\n // | | 0x0E0 | | 8. takerFeeAmount |\n // | | 0x100 | | 9. expirationTimeSeconds |\n // | | 0x120 | | 10. salt |\n // | | 0x140 | | 11. Offset to makerAssetData (*) |\n // | | 0x160 | | 12. Offset to takerAssetData (*) |\n // | | 0x180 | 32 | makerAssetData Length |\n // | | 0x1A0 | ** | makerAssetData Contents |\n // | | 0x1C0 | 32 | takerAssetData Length |\n // | | 0x1E0 | ** | takerAssetData Contents |\n // | | 0x200 | 32 | signature Length |\n // | | 0x220 | ** | signature Contents |\n\n // * Offsets are calculated from the beginning of the current area: Header, Params, Data:\n // An offset stored in the Params area is calculated from the beginning of the Params section.\n // An offset stored in the Data area is calculated from the beginning of the Data section.\n\n // ** The length of dynamic array contents are stored in the field immediately preceeding the contents.\n\n // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html\n\n assembly {\n\n // Areas below may use the following variables:\n // 1. Start -- Start of this area in memory\n // 2. End -- End of this area in memory. This value may\n // be precomputed (before writing contents),\n // or it may be computed as contents are written.\n // 3. Offset -- Current offset into area. If an area's End\n // is precomputed, this variable tracks the\n // offsets of contents as they are written.\n\n /////// Setup Header Area ///////\n // Load free memory pointer\n fillOrderCalldata := mload(0x40)\n // bytes4(keccak256(\"fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)\"))\n // = 0xb4be83d5\n // Leave 0x20 bytes to store the length\n mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000)\n let headerAreaEnd := add(fillOrderCalldata, 0x24)\n\n /////// Setup Params Area ///////\n // This area is preallocated and written to later.\n // This is because we need to fill in offsets that have not yet been calculated.\n let paramsAreaStart := headerAreaEnd\n let paramsAreaEnd := add(paramsAreaStart, 0x60)\n let paramsAreaOffset := paramsAreaStart\n\n /////// Setup Data Area ///////\n let dataAreaStart := paramsAreaEnd\n let dataAreaEnd := dataAreaStart\n\n // Offset from the source data we're reading from\n let sourceOffset := order\n // arrayLenBytes and arrayLenWords track the length of a dynamically-allocated bytes array.\n let arrayLenBytes := 0\n let arrayLenWords := 0\n\n /////// Write order Struct ///////\n // Write memory location of Order, relative to the start of the\n // parameter list, then increment the paramsAreaOffset respectively.\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n // Write values for each field in the order\n // It would be nice to use a loop, but we save on gas by writing\n // the stores sequentially.\n mstore(dataAreaEnd, mload(sourceOffset)) // makerAddress\n mstore(add(dataAreaEnd, 0x20), mload(add(sourceOffset, 0x20))) // takerAddress\n mstore(add(dataAreaEnd, 0x40), mload(add(sourceOffset, 0x40))) // feeRecipientAddress\n mstore(add(dataAreaEnd, 0x60), mload(add(sourceOffset, 0x60))) // senderAddress\n mstore(add(dataAreaEnd, 0x80), mload(add(sourceOffset, 0x80))) // makerAssetAmount\n mstore(add(dataAreaEnd, 0xA0), mload(add(sourceOffset, 0xA0))) // takerAssetAmount\n mstore(add(dataAreaEnd, 0xC0), mload(add(sourceOffset, 0xC0))) // makerFeeAmount\n mstore(add(dataAreaEnd, 0xE0), mload(add(sourceOffset, 0xE0))) // takerFeeAmount\n mstore(add(dataAreaEnd, 0x100), mload(add(sourceOffset, 0x100))) // expirationTimeSeconds\n mstore(add(dataAreaEnd, 0x120), mload(add(sourceOffset, 0x120))) // salt\n mstore(add(dataAreaEnd, 0x140), mload(add(sourceOffset, 0x140))) // Offset to makerAssetData\n mstore(add(dataAreaEnd, 0x160), mload(add(sourceOffset, 0x160))) // Offset to takerAssetData\n dataAreaEnd := add(dataAreaEnd, 0x180)\n sourceOffset := add(sourceOffset, 0x180)\n\n // Write offset to \n mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x140)) // makerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Write offset to \n mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x160)) // takerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n /////// Write takerAssetFillAmount ///////\n mstore(paramsAreaOffset, takerAssetFillAmount)\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n /////// Write signature ///////\n // Write offset to paramsArea\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n\n // Calculate length of signature\n sourceOffset := signature\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of signature\n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of signature\n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Set length of calldata\n mstore(fillOrderCalldata, sub(dataAreaEnd, add(fillOrderCalldata, 0x20)))\n\n // Increment free memory pointer\n mstore(0x40, dataAreaEnd)\n }\n\n return fillOrderCalldata;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\n// solhint-disable max-line-length\ncontract LibConstants {\n \n // Asset data for ZRX token. Used for fee transfers.\n // @TODO: Hardcode constant when we deploy. Currently \n // not constant to make testing easier.\n\n // The proxyId for ZRX_ASSET_DATA is bytes4(keccak256(\"ERC20Token(address)\")) = 0xf47261b0\n \n // Kovan ZRX address is 0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570.\n // The ABI encoded proxyId and address is 0xf47261b00000000000000000000000006ff6c0ff1d68b964901f986d4c9fa3ac68346570\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x6f\\xf6\\xc0\\xff\\x1d\\x68\\xb9\\x64\\x90\\x1f\\x98\\x6d\\x4c\\x9f\\xa3\\xac\\x68\\x34\\x65\\x70\";\n \n // Mainnet ZRX address is 0xe41d2489571d322189246dafa5ebde1f4699f498.\n // The ABI encoded proxyId and address is 0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xe4\\x1d\\x24\\x89\\x57\\x1d\\x32\\x21\\x89\\x24\\x6d\\xaf\\xa5\\xeb\\xde\\x1f\\x46\\x99\\xf4\\x98\";\n \n // solhint-disable-next-line var-name-mixedcase\n bytes public ZRX_ASSET_DATA;\n\n // @TODO: Remove when we deploy.\n constructor (bytes memory zrxAssetData)\n public\n {\n ZRX_ASSET_DATA = zrxAssetData;\n }\n}\n// solhint-enable max-line-length\n", - "2.0.0/protocol/Exchange/libs/LibEIP712.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract LibEIP712 {\n\n // EIP191 header for EIP712 prefix\n string constant internal EIP191_HEADER = \"\\x19\\x01\";\n\n // EIP712 Domain Name value\n string constant internal EIP712_DOMAIN_NAME = \"0x Protocol\";\n\n // EIP712 Domain Version value\n string constant internal EIP712_DOMAIN_VERSION = \"2\";\n\n // Hash of the EIP712 Domain Separator Schema\n bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"EIP712Domain(\",\n \"string name,\",\n \"string version,\",\n \"address verifyingContract\",\n \")\"\n ));\n\n // Hash of the EIP712 Domain Separator data\n // solhint-disable-next-line var-name-mixedcase\n bytes32 public EIP712_DOMAIN_HASH;\n\n constructor ()\n public\n {\n EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(\n EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,\n keccak256(bytes(EIP712_DOMAIN_NAME)),\n keccak256(bytes(EIP712_DOMAIN_VERSION)),\n bytes32(address(this))\n ));\n }\n\n /// @dev Calculates EIP712 encoding for a hash struct in this EIP712 Domain.\n /// @param hashStruct The EIP712 hash struct.\n /// @return EIP712 hash applied to this EIP712 Domain.\n function hashEIP712Message(bytes32 hashStruct)\n internal\n view\n returns (bytes32 result)\n {\n bytes32 eip712DomainHash = EIP712_DOMAIN_HASH;\n\n // Assembly for more efficient computing:\n // keccak256(abi.encodePacked(\n // EIP191_HEADER,\n // EIP712_DOMAIN_HASH,\n // hashStruct \n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, 0x1901000000000000000000000000000000000000000000000000000000000000) // EIP191 header\n mstore(add(memPtr, 2), eip712DomainHash) // EIP712 domain hash\n mstore(add(memPtr, 34), hashStruct) // Hash of struct\n\n // Compute hash\n result := keccak256(memPtr, 66)\n }\n return result;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity 0.4.24;\n\n\n/// @dev This contract documents the revert reasons used in the Exchange contract.\n/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons.\ncontract LibExchangeErrors {\n\n /// Order validation errors ///\n string constant ORDER_UNFILLABLE = \"ORDER_UNFILLABLE\"; // Order cannot be filled.\n string constant INVALID_MAKER = \"INVALID_MAKER\"; // Invalid makerAddress.\n string constant INVALID_TAKER = \"INVALID_TAKER\"; // Invalid takerAddress.\n string constant INVALID_SENDER = \"INVALID_SENDER\"; // Invalid `msg.sender`.\n string constant INVALID_ORDER_SIGNATURE = \"INVALID_ORDER_SIGNATURE\"; // Signature validation failed. \n \n /// fillOrder validation errors ///\n string constant INVALID_TAKER_AMOUNT = \"INVALID_TAKER_AMOUNT\"; // takerAssetFillAmount cannot equal 0.\n string constant ROUNDING_ERROR = \"ROUNDING_ERROR\"; // Rounding error greater than 0.1% of takerAssetFillAmount. \n \n /// Signature validation errors ///\n string constant INVALID_SIGNATURE = \"INVALID_SIGNATURE\"; // Signature validation failed. \n string constant SIGNATURE_ILLEGAL = \"SIGNATURE_ILLEGAL\"; // Signature type is illegal.\n string constant SIGNATURE_UNSUPPORTED = \"SIGNATURE_UNSUPPORTED\"; // Signature type unsupported.\n \n /// cancelOrdersUptTo errors ///\n string constant INVALID_NEW_ORDER_EPOCH = \"INVALID_NEW_ORDER_EPOCH\"; // Specified salt must be greater than or equal to existing orderEpoch.\n\n /// fillOrKillOrder errors ///\n string constant COMPLETE_FILL_FAILED = \"COMPLETE_FILL_FAILED\"; // Desired takerAssetFillAmount could not be completely filled. \n\n /// matchOrders errors ///\n string constant NEGATIVE_SPREAD_REQUIRED = \"NEGATIVE_SPREAD_REQUIRED\"; // Matched orders must have a negative spread.\n\n /// Transaction errors ///\n string constant REENTRANCY_ILLEGAL = \"REENTRANCY_ILLEGAL\"; // Recursive reentrancy is not allowed. \n string constant INVALID_TX_HASH = \"INVALID_TX_HASH\"; // Transaction has already been executed. \n string constant INVALID_TX_SIGNATURE = \"INVALID_TX_SIGNATURE\"; // Signature validation failed. \n string constant FAILED_EXECUTION = \"FAILED_EXECUTION\"; // Transaction execution failed. \n \n /// registerAssetProxy errors ///\n string constant ASSET_PROXY_ALREADY_EXISTS = \"ASSET_PROXY_ALREADY_EXISTS\"; // AssetProxy with same id already exists.\n\n /// dispatchTransferFrom errors ///\n string constant ASSET_PROXY_DOES_NOT_EXIST = \"ASSET_PROXY_DOES_NOT_EXIST\"; // No assetProxy registered at given id.\n string constant TRANSFER_FAILED = \"TRANSFER_FAILED\"; // Asset transfer unsuccesful.\n\n /// Length validation errors ///\n string constant LENGTH_GREATER_THAN_0_REQUIRED = \"LENGTH_GREATER_THAN_0_REQUIRED\"; // Byte array must have a length greater than 0.\n string constant LENGTH_GREATER_THAN_3_REQUIRED = \"LENGTH_GREATER_THAN_3_REQUIRED\"; // Byte array must have a length greater than 3.\n string constant LENGTH_0_REQUIRED = \"LENGTH_0_REQUIRED\"; // Byte array must have a length of 0.\n string constant LENGTH_65_REQUIRED = \"LENGTH_65_REQUIRED\"; // Byte array must have a length of 65.\n}\n", - "2.0.0/protocol/Exchange/libs/LibFillResults.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibFillResults is\n SafeMath\n{\n struct FillResults {\n uint256 makerAssetFilledAmount; // Total amount of makerAsset(s) filled.\n uint256 takerAssetFilledAmount; // Total amount of takerAsset(s) filled.\n uint256 makerFeePaid; // Total amount of ZRX paid by maker(s) to feeRecipient(s).\n uint256 takerFeePaid; // Total amount of ZRX paid by taker to feeRecipients(s).\n }\n\n struct MatchedFillResults {\n FillResults left; // Amounts filled and fees paid of left order.\n FillResults right; // Amounts filled and fees paid of right order.\n uint256 leftMakerAssetSpreadAmount; // Spread between price of left and right order, denominated in the left order's makerAsset, paid to taker.\n }\n\n /// @dev Adds properties of both FillResults instances.\n /// Modifies the first FillResults instance specified.\n /// @param totalFillResults Fill results instance that will be added onto.\n /// @param singleFillResults Fill results instance that will be added to totalFillResults.\n function addFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)\n internal\n pure\n {\n totalFillResults.makerAssetFilledAmount = safeAdd(totalFillResults.makerAssetFilledAmount, singleFillResults.makerAssetFilledAmount);\n totalFillResults.takerAssetFilledAmount = safeAdd(totalFillResults.takerAssetFilledAmount, singleFillResults.takerAssetFilledAmount);\n totalFillResults.makerFeePaid = safeAdd(totalFillResults.makerFeePaid, singleFillResults.makerFeePaid);\n totalFillResults.takerFeePaid = safeAdd(totalFillResults.takerFeePaid, singleFillResults.takerFeePaid);\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibMath.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibMath is\n SafeMath\n{\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function safeGetPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorFloor(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function safeGetPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorCeil(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function getPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function getPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // The absolute rounding error is the difference between the rounded\n // value and the ideal value. The relative rounding error is the\n // absolute rounding error divided by the absolute value of the\n // ideal value. This is undefined when the ideal value is zero.\n //\n // The ideal value is `numerator * target / denominator`.\n // Let's call `numerator * target % denominator` the remainder.\n // The absolute error is `remainder / denominator`.\n //\n // When the ideal value is zero, we require the absolute error to\n // be zero. Fortunately, this is always the case. The ideal value is\n // zero iff `numerator == 0` and/or `target == 0`. In this case the\n // remainder and absolute error are also zero. \n if (target == 0 || numerator == 0) {\n return false;\n }\n \n // Otherwise, we want the relative rounding error to be strictly\n // less than 0.1%.\n // The relative error is `remainder / (numerator * target)`.\n // We want the relative error less than 1 / 1000:\n // remainder / (numerator * denominator) < 1 / 1000\n // or equivalently:\n // 1000 * remainder < numerator * target\n // so we have a rounding error iff:\n // 1000 * remainder >= numerator * target\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding up.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // See the comments in `isRoundingError`.\n if (target == 0 || numerator == 0) {\n // When either is zero, the ideal value and rounded value are zero\n // and there is no rounding error. (Although the relative error\n // is undefined.)\n return false;\n }\n // Compute remainder as before\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n remainder = safeSub(denominator, remainder) % denominator;\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibOrder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./LibEIP712.sol\";\n\n\ncontract LibOrder is\n LibEIP712\n{\n // Hash for the EIP712 Order Schema\n bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"Order(\",\n \"address makerAddress,\",\n \"address takerAddress,\",\n \"address feeRecipientAddress,\",\n \"address senderAddress,\",\n \"uint256 makerAssetAmount,\",\n \"uint256 takerAssetAmount,\",\n \"uint256 makerFee,\",\n \"uint256 takerFee,\",\n \"uint256 expirationTimeSeconds,\",\n \"uint256 salt,\",\n \"bytes makerAssetData,\",\n \"bytes takerAssetData\",\n \")\"\n ));\n\n // A valid order remains fillable until it is expired, fully filled, or cancelled.\n // An order's state is unaffected by external factors, like account balances.\n enum OrderStatus {\n INVALID, // Default value\n INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount\n INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount\n FILLABLE, // Order is fillable\n EXPIRED, // Order has already expired\n FULLY_FILLED, // Order is fully filled\n CANCELLED // Order has been cancelled\n }\n\n // solhint-disable max-line-length\n struct Order {\n address makerAddress; // Address that created the order. \n address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order. \n address feeRecipientAddress; // Address that will recieve fees when order is filled. \n address senderAddress; // Address that is allowed to call Exchange contract methods that affect this order. If set to 0, any address is allowed to call these methods.\n uint256 makerAssetAmount; // Amount of makerAsset being offered by maker. Must be greater than 0. \n uint256 takerAssetAmount; // Amount of takerAsset being bid on by maker. Must be greater than 0. \n uint256 makerFee; // Amount of ZRX paid to feeRecipient by maker when order is filled. If set to 0, no transfer of ZRX from maker to feeRecipient will be attempted.\n uint256 takerFee; // Amount of ZRX paid to feeRecipient by taker when order is filled. If set to 0, no transfer of ZRX from taker to feeRecipient will be attempted.\n uint256 expirationTimeSeconds; // Timestamp in seconds at which order expires. \n uint256 salt; // Arbitrary number to facilitate uniqueness of the order's hash. \n bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.\n bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.\n }\n // solhint-enable max-line-length\n\n struct OrderInfo {\n uint8 orderStatus; // Status that describes order's validity and fillability.\n bytes32 orderHash; // EIP712 hash of the order (see LibOrder.getOrderHash).\n uint256 orderTakerAssetFilledAmount; // Amount of order that has already been filled.\n }\n\n /// @dev Calculates Keccak-256 hash of the order.\n /// @param order The order structure.\n /// @return Keccak-256 EIP712 hash of the order.\n function getOrderHash(Order memory order)\n internal\n view\n returns (bytes32 orderHash)\n {\n orderHash = hashEIP712Message(hashOrder(order));\n return orderHash;\n }\n\n /// @dev Calculates EIP712 hash of the order.\n /// @param order The order structure.\n /// @return EIP712 hash of the order.\n function hashOrder(Order memory order)\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ORDER_SCHEMA_HASH;\n bytes32 makerAssetDataHash = keccak256(order.makerAssetData);\n bytes32 takerAssetDataHash = keccak256(order.takerAssetData);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ORDER_SCHEMA_HASH,\n // bytes32(order.makerAddress),\n // bytes32(order.takerAddress),\n // bytes32(order.feeRecipientAddress),\n // bytes32(order.senderAddress),\n // order.makerAssetAmount,\n // order.takerAssetAmount,\n // order.makerFee,\n // order.takerFee,\n // order.expirationTimeSeconds,\n // order.salt,\n // keccak256(order.makerAssetData),\n // keccak256(order.takerAssetData)\n // ));\n\n assembly {\n // Calculate memory addresses that will be swapped out before hashing\n let pos1 := sub(order, 32)\n let pos2 := add(order, 320)\n let pos3 := add(order, 352)\n\n // Backup\n let temp1 := mload(pos1)\n let temp2 := mload(pos2)\n let temp3 := mload(pos3)\n \n // Hash in place\n mstore(pos1, schemaHash)\n mstore(pos2, makerAssetDataHash)\n mstore(pos3, takerAssetDataHash)\n result := keccak256(pos1, 416)\n \n // Restore\n mstore(pos1, temp1)\n mstore(pos2, temp2)\n mstore(pos3, temp3)\n }\n return result;\n }\n}\n", - "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssetProxyDispatcher.sol\";\n\n\ncontract MAssetProxyDispatcher is\n IAssetProxyDispatcher\n{\n // Logs registration of new asset proxy\n event AssetProxyRegistered(\n bytes4 id, // Id of new registered AssetProxy.\n address assetProxy // Address of new registered AssetProxy.\n );\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal;\n}\n", - "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IExchangeCore.sol\";\n\n\ncontract MExchangeCore is\n IExchangeCore\n{\n // Fill event is emitted whenever an order is filled.\n event Fill(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that received fees.\n address takerAddress, // Address that filled the order.\n address senderAddress, // Address that called the Exchange contract (msg.sender).\n uint256 makerAssetFilledAmount, // Amount of makerAsset sold by maker and bought by taker. \n uint256 takerAssetFilledAmount, // Amount of takerAsset sold by taker and bought by maker.\n uint256 makerFeePaid, // Amount of ZRX paid to feeRecipient by maker.\n uint256 takerFeePaid, // Amount of ZRX paid to feeRecipient by taker.\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // Cancel event is emitted whenever an individual order is cancelled.\n event Cancel(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that would have recieved fees if order was filled. \n address senderAddress, // Address that called the Exchange contract (msg.sender).\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // CancelUpTo event is emitted whenever `cancelOrdersUpTo` is executed succesfully.\n event CancelUpTo(\n address indexed makerAddress, // Orders cancelled must have been created by this address.\n address indexed senderAddress, // Orders cancelled must have a `senderAddress` equal to this address.\n uint256 orderEpoch // Orders with specified makerAddress and senderAddress with a salt less than this value are considered cancelled.\n );\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrderInternal(LibOrder.Order memory order)\n internal;\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function updateFilledState(\n LibOrder.Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n LibFillResults.FillResults memory fillResults\n )\n internal;\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n LibOrder.Order memory order,\n bytes32 orderHash\n )\n internal;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo Status, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view;\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo\n )\n internal\n view;\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n LibOrder.Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.FillResults memory fillResults);\n\n}\n", - "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IMatchOrders.sol\";\n\n\ncontract MMatchOrders is\n IMatchOrders\n{\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure;\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n\n}\n", - "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/ISignatureValidator.sol\";\n\n\ncontract MSignatureValidator is\n ISignatureValidator\n{\n event SignatureValidatorApproval(\n address indexed signerAddress, // Address that approves or disapproves a contract to verify signatures.\n address indexed validatorAddress, // Address of signature validator contract.\n bool approved // Approval or disapproval of validator contract.\n );\n\n // Allowed signature types.\n enum SignatureType {\n Illegal, // 0x00, default value\n Invalid, // 0x01\n EIP712, // 0x02\n EthSign, // 0x03\n Wallet, // 0x04\n Validator, // 0x05\n PreSigned, // 0x06\n NSignatureTypes // 0x07, number of signature types. Always leave at end.\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/mixins/MTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"../interfaces/ITransactions.sol\";\n\n\ncontract MTransactions is\n ITransactions\n{\n // Hash for the EIP712 ZeroEx Transaction Schema\n bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"ZeroExTransaction(\",\n \"uint256 salt,\",\n \"address signerAddress,\",\n \"bytes data\",\n \")\"\n ));\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result);\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address);\n}\n", - "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IWrapperFunctions.sol\";\n\n\ncontract MWrapperFunctions is \n IWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n}\n", - "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/MintableERC20Token.sol\";\n\n\ncontract DummyERC20Token is \n Ownable,\n MintableERC20Token\n{\n string public name;\n string public symbol;\n uint256 public decimals;\n uint256 public constant MAX_MINT_AMOUNT = 10000000000000000000000;\n\n constructor (\n string _name,\n string _symbol,\n uint256 _decimals,\n uint256 _totalSupply\n )\n public\n {\n name = _name;\n symbol = _symbol;\n decimals = _decimals;\n _totalSupply = _totalSupply;\n balances[msg.sender] = _totalSupply;\n }\n\n /// @dev Sets the balance of target address\n /// @param _target Address or which balance will be updated\n /// @param _value New balance of target address\n function setBalance(address _target, uint256 _value)\n external\n onlyOwner\n {\n uint256 currBalance = balances[_target];\n if (_value < currBalance) {\n _totalSupply = safeSub(_totalSupply, safeSub(currBalance, _value));\n } else {\n _totalSupply = safeAdd(_totalSupply, safeSub(_value, currBalance));\n }\n balances[_target] = _value;\n }\n\n /// @dev Mints new tokens for sender\n /// @param _value Amount of tokens to mint\n function mint(uint256 _value)\n external\n {\n require(\n _value <= MAX_MINT_AMOUNT,\n \"VALUE_TOO_LARGE\"\n );\n\n _mint(msg.sender, _value);\n }\n}\n", - "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../tokens/ERC721Token/MintableERC721Token.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract DummyERC721Token is\n Ownable,\n MintableERC721Token\n{\n string public name;\n string public symbol;\n\n constructor (\n string _name,\n string _symbol\n )\n public\n {\n name = _name;\n symbol = _symbol;\n }\n\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function mint(address _to, uint256 _tokenId)\n external\n {\n _mint(_to, _tokenId);\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist or not called by contract owner\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function burn(address _owner, uint256 _tokenId)\n external\n onlyOwner\n {\n _burn(_owner, _tokenId);\n }\n}\n", - "2.0.0/tokens/ERC20Token/ERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC20Token.sol\";\n\n\ncontract ERC20Token is\n IERC20Token\n{\n mapping (address => uint256) internal balances;\n mapping (address => mapping (address => uint256)) internal allowed;\n\n uint256 internal _totalSupply;\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool)\n {\n require(\n balances[msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[msg.sender] -= _value;\n balances[_to] += _value;\n\n emit Transfer(\n msg.sender,\n _to,\n _value\n );\n\n return true;\n }\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowed[_from][msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n allowed[_from][msg.sender] -= _value;\n \n emit Transfer(\n _from,\n _to,\n _value\n );\n \n return true;\n }\n\n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool)\n {\n allowed[msg.sender][_spender] = _value;\n emit Approval(\n msg.sender,\n _spender,\n _value\n );\n return true;\n }\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256)\n {\n return _totalSupply;\n }\n\n /// @dev Query the balance of owner\n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n return balances[_owner];\n }\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256)\n {\n return allowed[_owner][_spender];\n }\n}\n", - "2.0.0/tokens/ERC20Token/IERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n \n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n \n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", - "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/SafeMath/SafeMath.sol\";\nimport \"./UnlimitedAllowanceERC20Token.sol\";\n\n\ncontract MintableERC20Token is \n SafeMath,\n UnlimitedAllowanceERC20Token\n{\n /// @dev Mints new tokens\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _value Amount of tokens to mint\n function _mint(address _to, uint256 _value)\n internal\n {\n balances[_to] = safeAdd(_value, balances[_to]);\n _totalSupply = safeAdd(_totalSupply, _value);\n\n emit Transfer(\n address(0),\n _to,\n _value\n );\n }\n\n /// @dev Mints new tokens\n /// @param _owner Owner of tokens that will be burned\n /// @param _value Amount of tokens to burn\n function _burn(address _owner, uint256 _value)\n internal\n {\n balances[_owner] = safeSub(balances[_owner], _value);\n _totalSupply = safeSub(_totalSupply, _value);\n\n emit Transfer(\n _owner,\n address(0),\n _value\n );\n }\n}\n", - "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/ERC20Token.sol\";\n\n\ncontract UnlimitedAllowanceERC20Token is\n ERC20Token\n{\n uint256 constant internal MAX_UINT = 2**256 - 1;\n\n /// @dev ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited allowance. See https://github.com/ethereum/EIPs/issues/717\n /// @param _from Address to transfer from.\n /// @param _to Address to transfer to.\n /// @param _value Amount to transfer.\n /// @return Success of transfer.\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n uint256 allowance = allowed[_from][msg.sender];\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowance >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n if (allowance < MAX_UINT) {\n allowed[_from][msg.sender] -= _value;\n }\n\n emit Transfer(\n _from,\n _to,\n _value\n );\n\n return true;\n }\n}\n", - "2.0.0/tokens/ERC721Token/ERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC721Token.sol\";\nimport \"./IERC721Receiver.sol\";\nimport \"../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract ERC721Token is\n IERC721Token,\n SafeMath\n{\n // Function selector for ERC721Receiver.onERC721Received\n // 0x150b7a02\n bytes4 constant internal ERC721_RECEIVED = bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"));\n\n // Mapping of tokenId => owner\n mapping (uint256 => address) internal owners;\n\n // Mapping of tokenId => approved address\n mapping (uint256 => address) internal approvals;\n\n // Mapping of owner => number of tokens owned\n mapping (address => uint256) internal balances;\n\n // Mapping of owner => operator => approved\n mapping (address => mapping (address => bool)) internal operatorApprovals;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n _data\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n \"\"\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external\n {\n address owner = ownerOf(_tokenId);\n require(\n msg.sender == owner || isApprovedForAll(owner, msg.sender),\n \"ERC721_INVALID_SENDER\"\n );\n\n approvals[_tokenId] = _approved;\n emit Approval(\n owner,\n _approved,\n _tokenId\n );\n }\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external\n {\n operatorApprovals[msg.sender][_operator] = _approved;\n emit ApprovalForAll(\n msg.sender,\n _operator,\n _approved\n );\n }\n \n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return balances[_owner];\n }\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = ownerOf(_tokenId);\n require(\n _from == owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n address spender = msg.sender;\n address approvedAddress = getApproved(_tokenId);\n require(\n spender == owner ||\n isApprovedForAll(owner, spender) ||\n approvedAddress == spender,\n \"ERC721_INVALID_SPENDER\"\n );\n\n if (approvedAddress != address(0)) {\n approvals[_tokenId] = address(0);\n }\n\n owners[_tokenId] = _to;\n balances[_from] = safeSub(balances[_from], 1);\n balances[_to] = safeAdd(balances[_to], 1);\n \n emit Transfer(\n _from,\n _to,\n _tokenId\n );\n }\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address)\n {\n address owner = owners[_tokenId];\n require(\n owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return owner;\n }\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId)\n public\n view\n returns (address)\n {\n return approvals[_tokenId];\n }\n\n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool)\n {\n return operatorApprovals[_owner][_operator];\n }\n}\n", - "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Receiver {\n\n /// @notice Handle the receipt of an NFT\n /// @dev The ERC721 smart contract calls this function on the recipient\n /// after a `transfer`. This function MAY throw to revert and reject the\n /// transfer. Return of other than the magic value MUST result in the\n /// transaction being reverted.\n /// Note: the contract address is always the message sender.\n /// @param _operator The address which called `safeTransferFrom` function\n /// @param _from The address which previously owned the token\n /// @param _tokenId The NFT identifier which is being transferred\n /// @param _data Additional data with no specified format\n /// @return `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`\n /// unless throwing\n function onERC721Received(\n address _operator,\n address _from,\n uint256 _tokenId,\n bytes _data\n )\n external\n returns (bytes4);\n}\n", - "2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Token {\n\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(\n address indexed _owner,\n address indexed _approved,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(\n address indexed _owner,\n address indexed _operator,\n bool _approved\n );\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// perator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external;\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public;\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address);\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) \n public\n view\n returns (address);\n \n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool);\n}\n", - "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./ERC721Token.sol\";\n\n\ncontract MintableERC721Token is\n ERC721Token\n{\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function _mint(address _to, uint256 _tokenId)\n internal\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == address(0),\n \"ERC721_OWNER_ALREADY_EXISTS\"\n );\n\n owners[_tokenId] = _to;\n balances[_to] = safeAdd(balances[_to], 1);\n\n emit Transfer(\n address(0),\n _to,\n _tokenId\n );\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function _burn(address _owner, uint256 _tokenId)\n internal\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == _owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n owners[_tokenId] = address(0);\n balances[_owner] = safeSub(balances[_owner], 1);\n\n emit Transfer(\n _owner,\n address(0),\n _tokenId\n );\n }\n}\n", - "2.0.0/tokens/EtherToken/IEtherToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/IERC20Token.sol\";\n\n\ncontract IEtherToken is\n IERC20Token\n{\n function deposit()\n public\n payable;\n \n function withdraw(uint256 amount)\n public;\n}\n", - "2.0.0/utils/LibBytes/LibBytes.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\nlibrary LibBytes {\n\n using LibBytes for bytes;\n\n /// @dev Gets the memory address for a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of byte array. This\n /// points to the header of the byte array which contains\n /// the length.\n function rawAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := input\n }\n return memoryAddress;\n }\n \n /// @dev Gets the memory address for the contents of a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of the contents of the byte array.\n function contentAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := add(input, 32)\n }\n return memoryAddress;\n }\n\n /// @dev Copies `length` bytes from memory location `source` to `dest`.\n /// @param dest memory address to copy bytes to.\n /// @param source memory address to copy bytes from.\n /// @param length number of bytes to copy.\n function memCopy(\n uint256 dest,\n uint256 source,\n uint256 length\n )\n internal\n pure\n {\n if (length < 32) {\n // Handle a partial word by reading destination and masking\n // off the bits we are interested in.\n // This correctly handles overlap, zero lengths and source == dest\n assembly {\n let mask := sub(exp(256, sub(32, length)), 1)\n let s := and(mload(source), not(mask))\n let d := and(mload(dest), mask)\n mstore(dest, or(s, d))\n }\n } else {\n // Skip the O(length) loop when source == dest.\n if (source == dest) {\n return;\n }\n\n // For large copies we copy whole words at a time. The final\n // word is aligned to the end of the range (instead of after the\n // previous) to handle partial words. So a copy will look like this:\n //\n // ####\n // ####\n // ####\n // ####\n //\n // We handle overlap in the source and destination range by\n // changing the copying direction. This prevents us from\n // overwriting parts of source that we still need to copy.\n //\n // This correctly handles source == dest\n //\n if (source > dest) {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because it\n // is easier to compare with in the loop, and these\n // are also the addresses we need for copying the\n // last bytes.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the last 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the last bytes in\n // source already due to overlap.\n let last := mload(sEnd)\n\n // Copy whole words front to back\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} lt(source, sEnd) {} {\n mstore(dest, mload(source))\n source := add(source, 32)\n dest := add(dest, 32)\n }\n \n // Write the last 32 bytes\n mstore(dEnd, last)\n }\n } else {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because those\n // are the starting points when copying a word at the end.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the first 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the first bytes in\n // source already due to overlap.\n let first := mload(source)\n\n // Copy whole words back to front\n // We use a signed comparisson here to allow dEnd to become\n // negative (happens when source and dest < 32). Valid\n // addresses in local memory will never be larger than\n // 2**255, so they can be safely re-interpreted as signed.\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} slt(dest, dEnd) {} {\n mstore(dEnd, mload(sEnd))\n sEnd := sub(sEnd, 32)\n dEnd := sub(dEnd, 32)\n }\n \n // Write the first 32 bytes\n mstore(dest, first)\n }\n }\n }\n }\n\n /// @dev Returns a slices from a byte array.\n /// @param b The byte array to take a slice from.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n function slice(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure and copy contents\n result = new bytes(to - from);\n memCopy(\n result.contentAddress(),\n b.contentAddress() + from,\n result.length\n );\n return result;\n }\n \n /// @dev Returns a slice from a byte array without preserving the input.\n /// @param b The byte array to take a slice from. Will be destroyed in the process.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n /// @dev When `from == 0`, the original array will match the slice. In other cases its state will be corrupted.\n function sliceDestructive(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure around [from, to) in-place.\n assembly {\n result := add(b, from)\n mstore(result, sub(to, from))\n }\n return result;\n }\n\n /// @dev Pops the last byte off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The byte that was popped off.\n function popLastByte(bytes memory b)\n internal\n pure\n returns (bytes1 result)\n {\n require(\n b.length > 0,\n \"GREATER_THAN_ZERO_LENGTH_REQUIRED\"\n );\n\n // Store last byte.\n result = b[b.length - 1];\n\n assembly {\n // Decrement length of byte array.\n let newLen := sub(mload(b), 1)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Pops the last 20 bytes off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The 20 byte address that was popped off.\n function popLast20Bytes(bytes memory b)\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= 20,\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Store last 20 bytes.\n result = readAddress(b, b.length - 20);\n\n assembly {\n // Subtract 20 from byte array length.\n let newLen := sub(mload(b), 20)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Tests equality of two byte arrays.\n /// @param lhs First byte array to compare.\n /// @param rhs Second byte array to compare.\n /// @return True if arrays are the same. False otherwise.\n function equals(\n bytes memory lhs,\n bytes memory rhs\n )\n internal\n pure\n returns (bool equal)\n {\n // Keccak gas cost is 30 + numWords * 6. This is a cheap way to compare.\n // We early exit on unequal lengths, but keccak would also correctly\n // handle this.\n return lhs.length == rhs.length && keccak256(lhs) == keccak256(rhs);\n }\n\n /// @dev Reads an address from a position in a byte array.\n /// @param b Byte array containing an address.\n /// @param index Index in byte array of address.\n /// @return address from byte array.\n function readAddress(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Read address from array memory\n assembly {\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 20-byte mask to obtain address\n result := and(mload(add(b, index)), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n return result;\n }\n\n /// @dev Writes an address into a specific position in a byte array.\n /// @param b Byte array to insert address into.\n /// @param index Index in byte array of address.\n /// @param input Address to put into byte array.\n function writeAddress(\n bytes memory b,\n uint256 index,\n address input\n )\n internal\n pure\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Store address into array memory\n assembly {\n // The address occupies 20 bytes and mstore stores 32 bytes.\n // First fetch the 32-byte word where we'll be storing the address, then\n // apply a mask so we have only the bytes in the word that the address will not occupy.\n // Then combine these bytes with the address and store the 32 bytes back to memory with mstore.\n\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 12-byte mask to obtain extra bytes occupying word of memory where we'll store the address\n let neighbors := and(\n mload(add(b, index)),\n 0xffffffffffffffffffffffff0000000000000000000000000000000000000000\n )\n \n // Make sure input address is clean.\n // (Solidity does not guarantee this)\n input := and(input, 0xffffffffffffffffffffffffffffffffffffffff)\n\n // Store the neighbors and address into memory\n mstore(add(b, index), xor(input, neighbors))\n }\n }\n\n /// @dev Reads a bytes32 value from a position in a byte array.\n /// @param b Byte array containing a bytes32 value.\n /// @param index Index in byte array of bytes32 value.\n /// @return bytes32 value from byte array.\n function readBytes32(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes32 result)\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n result := mload(add(b, index))\n }\n return result;\n }\n\n /// @dev Writes a bytes32 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes32 to put into byte array.\n function writeBytes32(\n bytes memory b,\n uint256 index,\n bytes32 input\n )\n internal\n pure\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n mstore(add(b, index), input)\n }\n }\n\n /// @dev Reads a uint256 value from a position in a byte array.\n /// @param b Byte array containing a uint256 value.\n /// @param index Index in byte array of uint256 value.\n /// @return uint256 value from byte array.\n function readUint256(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (uint256 result)\n {\n result = uint256(readBytes32(b, index));\n return result;\n }\n\n /// @dev Writes a uint256 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input uint256 to put into byte array.\n function writeUint256(\n bytes memory b,\n uint256 index,\n uint256 input\n )\n internal\n pure\n {\n writeBytes32(b, index, bytes32(input));\n }\n\n /// @dev Reads an unpadded bytes4 value from a position in a byte array.\n /// @param b Byte array containing a bytes4 value.\n /// @param index Index in byte array of bytes4 value.\n /// @return bytes4 value from byte array.\n function readBytes4(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes4 result)\n {\n require(\n b.length >= index + 4,\n \"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 32 byte length field\n index += 32;\n\n // Read the bytes4 from array memory\n assembly {\n result := mload(add(b, index))\n // Solidity does not require us to clean the trailing bytes.\n // We do it anyway\n result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)\n }\n return result;\n }\n\n /// @dev Reads nested bytes from a specific position.\n /// @dev NOTE: the returned value overlaps with the input value.\n /// Both should be treated as immutable.\n /// @param b Byte array containing nested bytes.\n /// @param index Index of nested bytes.\n /// @return result Nested bytes.\n function readBytesWithLength(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes memory result)\n {\n // Read length of nested bytes\n uint256 nestedBytesLength = readUint256(b, index);\n index += 32;\n\n // Assert length of is valid, given\n // length of nested bytes\n require(\n b.length >= index + nestedBytesLength,\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n \n // Return a pointer to the byte array as it exists inside `b`\n assembly {\n result := add(b, index)\n }\n return result;\n }\n\n /// @dev Inserts bytes at a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes to insert.\n function writeBytesWithLength(\n bytes memory b,\n uint256 index,\n bytes memory input\n )\n internal\n pure\n {\n // Assert length of is valid, given\n // length of input\n require(\n b.length >= index + 32 + input.length, // 32 bytes to store length\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n\n // Copy into \n memCopy(\n b.contentAddress() + index,\n input.rawAddress(), // includes length of \n input.length + 32 // +32 bytes to store length\n );\n }\n\n /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length.\n /// @param dest Byte array that will be overwritten with source bytes.\n /// @param source Byte array to copy onto dest bytes.\n function deepCopyBytes(\n bytes memory dest,\n bytes memory source\n )\n internal\n pure\n {\n uint256 sourceLen = source.length;\n // Dest length must be >= source length, or some bytes would not be copied.\n require(\n dest.length >= sourceLen,\n \"GREATER_OR_EQUAL_TO_SOURCE_BYTES_LENGTH_REQUIRED\"\n );\n memCopy(\n dest.contentAddress(),\n source.contentAddress(),\n sourceLen\n );\n }\n}\n", - "2.0.0/utils/Ownable/IOwnable.sol": "pragma solidity 0.4.24;\n\n\ncontract IOwnable {\n\n function transferOwnership(address newOwner)\n public;\n}\n", - "2.0.0/utils/Ownable/Ownable.sol": "pragma solidity 0.4.24;\n\nimport \"./IOwnable.sol\";\n\n\ncontract Ownable is\n IOwnable\n{\n address public owner;\n\n constructor ()\n public\n {\n owner = msg.sender;\n }\n\n modifier onlyOwner() {\n require(\n msg.sender == owner,\n \"ONLY_CONTRACT_OWNER\"\n );\n _;\n }\n\n function transferOwnership(address newOwner)\n public\n onlyOwner\n {\n if (newOwner != address(0)) {\n owner = newOwner;\n }\n }\n}\n", - "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ReentrancyGuard {\n\n // Locked state of mutex\n bool private locked = false;\n\n /// @dev Functions with this modifer cannot be reentered. The mutex will be locked\n /// before function execution and unlocked after.\n modifier nonReentrant() {\n // Ensure mutex is unlocked\n require(\n !locked,\n \"REENTRANCY_ILLEGAL\"\n );\n\n // Lock mutex before function call\n locked = true;\n\n // Perform function call\n _;\n\n // Unlock mutex after function call\n locked = false;\n }\n}\n", - "2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n\n function safeMul(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(\n c / a == b,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function safeDiv(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a / b;\n return c;\n }\n\n function safeSub(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n require(\n b <= a,\n \"UINT256_UNDERFLOW\"\n );\n return a - b;\n }\n\n function safeAdd(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a + b;\n require(\n c >= a,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function max64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n\n function max256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n}\n" - }, - "sourceTreeHashHex": "0xf4217ae1c8ee6ad15913d86a30747907f26acfb4a1970ea3c8a30d45ce9171d0", - "compiler": { - "name": "solc", - "version": "soljson-v0.4.24+commit.e67f0147.js", - "settings": { - "optimizer": { - "enabled": true, - "runs": 1000000 - }, - "outputSelection": { - "*": { - "*": [ - "abi", - "evm.bytecode.object", - "evm.bytecode.sourceMap", - "evm.deployedBytecode.object", - "evm.deployedBytecode.sourceMap" - ] - } - } - } - }, - "networks": {} -} \ No newline at end of file diff --git a/packages/migrations/artifacts/2.0.0-mainnet/Exchange.json b/packages/migrations/artifacts/2.0.0-mainnet/Exchange.json deleted file mode 100644 index 631bba974..000000000 --- a/packages/migrations/artifacts/2.0.0-mainnet/Exchange.json +++ /dev/null @@ -1,2262 +0,0 @@ -{ - "schemaVersion": "2.0.0", - "contractName": "Exchange", - "compilerOutput": { - "abi": [ - { - "constant": true, - "inputs": [ - { - "name": "", - "type": "bytes32" - } - ], - "name": "filled", - "outputs": [ - { - "name": "", - "type": "uint256" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "components": [ - { - "name": "makerAddress", - "type": "address" - }, - { - "name": "takerAddress", - "type": "address" - }, - { - "name": "feeRecipientAddress", - "type": "address" - }, - { - "name": "senderAddress", - "type": "address" - }, - { - "name": "makerAssetAmount", - "type": "uint256" - }, - { - "name": "takerAssetAmount", - "type": "uint256" - }, - { - "name": "makerFee", - "type": "uint256" - }, - { - "name": "takerFee", - "type": "uint256" - }, - { - "name": "expirationTimeSeconds", - "type": "uint256" - }, - { - "name": "salt", - "type": "uint256" - }, - { - "name": "makerAssetData", - "type": "bytes" - }, - { - "name": "takerAssetData", - "type": "bytes" - } - ], - "name": "orders", - "type": "tuple[]" - }, - { - "name": "takerAssetFillAmounts", - "type": "uint256[]" - }, - { - "name": "signatures", - "type": "bytes[]" - } - ], - "name": "batchFillOrders", - "outputs": [ - { - "components": [ - { - "name": "makerAssetFilledAmount", - "type": "uint256" - }, - { - "name": "takerAssetFilledAmount", - "type": "uint256" - }, - { - "name": "makerFeePaid", - "type": "uint256" - }, - { - "name": "takerFeePaid", - "type": "uint256" - } - ], - "name": "totalFillResults", - "type": "tuple" - } - ], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "", - "type": "bytes32" - } - ], - "name": "cancelled", - "outputs": [ - { - "name": "", - "type": "bool" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "hash", - "type": "bytes32" - }, - { - "name": "signerAddress", - "type": "address" - }, - { - "name": "signature", - "type": "bytes" - } - ], - "name": "preSign", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "components": [ - { - "name": "makerAddress", - "type": "address" - }, - { - "name": "takerAddress", - "type": "address" - }, - { - "name": "feeRecipientAddress", - "type": "address" - }, - { - "name": "senderAddress", - "type": "address" - }, - { - "name": "makerAssetAmount", - "type": "uint256" - }, - { - "name": "takerAssetAmount", - "type": "uint256" - }, - { - "name": "makerFee", - "type": "uint256" - }, - { - "name": "takerFee", - "type": "uint256" - }, - { - "name": "expirationTimeSeconds", - "type": "uint256" - }, - { - "name": "salt", - "type": "uint256" - }, - { - "name": "makerAssetData", - "type": "bytes" - }, - { - "name": "takerAssetData", - "type": "bytes" - } - ], - "name": "leftOrder", - "type": "tuple" - }, - { - "components": [ - { - "name": "makerAddress", - "type": "address" - }, - { - "name": "takerAddress", - "type": "address" - }, - { - "name": "feeRecipientAddress", - "type": "address" - }, - { - "name": "senderAddress", - "type": "address" - }, - { - "name": "makerAssetAmount", - "type": "uint256" - }, - { - "name": "takerAssetAmount", - "type": "uint256" - }, - { - "name": "makerFee", - "type": "uint256" - }, - { - "name": "takerFee", - "type": "uint256" - }, - { - "name": "expirationTimeSeconds", - "type": "uint256" - }, - { - "name": "salt", - "type": "uint256" - }, - { - "name": "makerAssetData", - "type": "bytes" - }, - { - "name": "takerAssetData", - "type": "bytes" - } - ], - "name": "rightOrder", - "type": "tuple" - }, - { - "name": "leftSignature", - "type": "bytes" - }, - { - "name": "rightSignature", - "type": "bytes" - } - ], - "name": "matchOrders", - "outputs": [ - { - "components": [ - { - "components": [ - { - "name": "makerAssetFilledAmount", - "type": "uint256" - }, - { - "name": "takerAssetFilledAmount", - "type": "uint256" - }, - { - "name": "makerFeePaid", - "type": "uint256" - }, - { - "name": "takerFeePaid", - "type": "uint256" - } - ], - "name": "left", - "type": "tuple" - }, - { - "components": [ - { - "name": "makerAssetFilledAmount", - "type": "uint256" - }, - { - "name": "takerAssetFilledAmount", - "type": "uint256" - }, - { - "name": "makerFeePaid", - "type": "uint256" - }, - { - "name": "takerFeePaid", - "type": "uint256" - } - ], - "name": "right", - "type": "tuple" - }, - { - "name": "leftMakerAssetSpreadAmount", - "type": "uint256" - } - ], - "name": "matchedFillResults", - "type": "tuple" - } - ], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "components": [ - { - "name": "makerAddress", - "type": "address" - }, - { - "name": "takerAddress", - "type": "address" - }, - { - "name": "feeRecipientAddress", - "type": "address" - }, - { - "name": "senderAddress", - "type": "address" - }, - { - "name": "makerAssetAmount", - "type": "uint256" - }, - { - "name": "takerAssetAmount", - "type": "uint256" - }, - { - "name": "makerFee", - "type": "uint256" - }, - { - "name": "takerFee", - "type": "uint256" - }, - { - "name": "expirationTimeSeconds", - "type": "uint256" - }, - { - "name": "salt", - "type": "uint256" - }, - { - "name": "makerAssetData", - "type": "bytes" - }, - { - "name": "takerAssetData", - "type": "bytes" - } - ], - "name": "order", - "type": "tuple" - }, - { - "name": "takerAssetFillAmount", - "type": "uint256" - }, - { - "name": "signature", - "type": "bytes" - } - ], - "name": "fillOrderNoThrow", - "outputs": [ - { - "components": [ - { - "name": "makerAssetFilledAmount", - "type": "uint256" - }, - { - "name": "takerAssetFilledAmount", - "type": "uint256" - }, - { - "name": "makerFeePaid", - "type": "uint256" - }, - { - "name": "takerFeePaid", - "type": "uint256" - } - ], - "name": "fillResults", - "type": "tuple" - } - ], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "", - "type": "bytes4" - } - ], - "name": "assetProxies", - "outputs": [ - { - "name": "", - "type": "address" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "components": [ - { - "name": "makerAddress", - "type": "address" - }, - { - "name": "takerAddress", - "type": "address" - }, - { - "name": "feeRecipientAddress", - "type": "address" - }, - { - "name": "senderAddress", - "type": "address" - }, - { - "name": "makerAssetAmount", - "type": "uint256" - }, - { - "name": "takerAssetAmount", - "type": "uint256" - }, - { - "name": "makerFee", - "type": "uint256" - }, - { - "name": "takerFee", - "type": "uint256" - }, - { - "name": "expirationTimeSeconds", - "type": "uint256" - }, - { - "name": "salt", - "type": "uint256" - }, - { - "name": "makerAssetData", - "type": "bytes" - }, - { - "name": "takerAssetData", - "type": "bytes" - } - ], - "name": "orders", - "type": "tuple[]" - } - ], - "name": "batchCancelOrders", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "components": [ - { - "name": "makerAddress", - "type": "address" - }, - { - "name": "takerAddress", - "type": "address" - }, - { - "name": "feeRecipientAddress", - "type": "address" - }, - { - "name": "senderAddress", - "type": "address" - }, - { - "name": "makerAssetAmount", - "type": "uint256" - }, - { - "name": "takerAssetAmount", - "type": 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[ - { - "name": "targetOrderEpoch", - "type": "uint256" - } - ], - "name": "cancelOrdersUpTo", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "components": [ - { - "name": "makerAddress", - "type": "address" - }, - { - "name": "takerAddress", - "type": "address" - }, - { - "name": "feeRecipientAddress", - "type": "address" - }, - { - "name": "senderAddress", - "type": "address" - }, - { - "name": "makerAssetAmount", - "type": "uint256" - }, - { - "name": "takerAssetAmount", - "type": "uint256" - }, - { - "name": "makerFee", - "type": "uint256" - }, - { - "name": "takerFee", - "type": "uint256" - }, - { - "name": "expirationTimeSeconds", - "type": "uint256" - }, - { - "name": "salt", - "type": "uint256" - }, - { - "name": "makerAssetData", - "type": "bytes" - }, - { - "name": "takerAssetData", - "type": "bytes" - } - ], - "name": "orders", - "type": "tuple[]" - }, - { - "name": 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"payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "components": [ - { - "name": "makerAddress", - "type": "address" - }, - { - "name": "takerAddress", - "type": "address" - }, - { - "name": "feeRecipientAddress", - "type": "address" - }, - { - "name": "senderAddress", - "type": "address" - }, - { - "name": "makerAssetAmount", - "type": "uint256" - }, - { - "name": "takerAssetAmount", - "type": "uint256" - }, - { - "name": "makerFee", - "type": "uint256" - }, - { - "name": "takerFee", - "type": "uint256" - }, - { - "name": "expirationTimeSeconds", - "type": "uint256" - }, - { - "name": "salt", - "type": "uint256" - }, - { - "name": "makerAssetData", - "type": "bytes" - }, - { - "name": "takerAssetData", - "type": "bytes" - } - ], - "name": "order", - "type": "tuple" - }, - { - "name": "takerAssetFillAmount", - "type": "uint256" - }, - { - "name": "signature", - "type": "bytes" - } - ], - "name": "fillOrKillOrder", - "outputs": [ - { - "components": [ - { - "name": "makerAssetFilledAmount", - "type": "uint256" - }, - { - "name": "takerAssetFilledAmount", - "type": "uint256" - }, - { - "name": "makerFeePaid", - "type": "uint256" - }, - { - "name": "takerFeePaid", - "type": "uint256" - } - ], - "name": "fillResults", - "type": "tuple" - } - ], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "validatorAddress", - "type": "address" - }, - { - "name": "approval", - "type": "bool" - } - ], - "name": "setSignatureValidatorApproval", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "", - "type": "address" - }, - { - "name": "", - "type": "address" - } - ], - "name": "allowedValidators", - "outputs": [ - { - "name": "", - "type": "bool" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "components": [ - { - "name": "makerAddress", - "type": "address" - }, - { - "name": "takerAddress", - "type": "address" - }, - { - "name": "feeRecipientAddress", - "type": "address" - }, - { - "name": "senderAddress", - "type": "address" - }, - { - "name": "makerAssetAmount", - "type": "uint256" - }, - { - "name": "takerAssetAmount", - "type": "uint256" - }, - { - "name": "makerFee", - "type": "uint256" - }, - { - "name": "takerFee", - "type": "uint256" - }, - { - "name": "expirationTimeSeconds", - "type": "uint256" - }, - { - "name": "salt", - "type": "uint256" - }, - { - "name": "makerAssetData", - "type": "bytes" - }, - { - "name": "takerAssetData", - "type": "bytes" - } - ], - "name": "orders", - "type": "tuple[]" - }, - { - "name": "takerAssetFillAmount", - "type": "uint256" - }, - { - "name": "signatures", - "type": "bytes[]" - } - ], - "name": "marketSellOrders", - "outputs": [ - { - "components": [ - { - "name": 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"constant": true, - "inputs": [ - { - "name": "hash", - "type": "bytes32" - }, - { - "name": "signerAddress", - "type": "address" - }, - { - "name": "signature", - "type": "bytes" - } - ], - "name": "isValidSignature", - "outputs": [ - { - "name": "isValid", - "type": "bool" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "components": [ - { - "name": "makerAddress", - "type": "address" - }, - { - "name": "takerAddress", - "type": "address" - }, - { - "name": "feeRecipientAddress", - "type": "address" - }, - { - "name": "senderAddress", - "type": "address" - }, - { - "name": "makerAssetAmount", - "type": "uint256" - }, - { - "name": "takerAssetAmount", - "type": "uint256" - }, - { - "name": "makerFee", - "type": "uint256" - }, - { - "name": "takerFee", - "type": "uint256" - }, - { - "name": "expirationTimeSeconds", - "type": "uint256" - }, - { - "name": "salt", - "type": "uint256" - }, - { - "name": 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"stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "salt", - "type": "uint256" - }, - { - "name": "signerAddress", - "type": "address" - }, - { - "name": "data", - "type": "bytes" - }, - { - "name": "signature", - "type": "bytes" - } - ], - "name": "executeTransaction", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "assetProxy", - "type": "address" - } - ], - "name": "registerAssetProxy", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "components": [ - { - "name": "makerAddress", - "type": "address" - }, - { - "name": "takerAddress", - "type": "address" - }, - { - "name": "feeRecipientAddress", - "type": "address" - }, - { - "name": "senderAddress", - "type": "address" - }, - { - "name": "makerAssetAmount", - "type": "uint256" - 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PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH3 0x103 JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH1 0x0 NOT ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 DUP1 MLOAD SWAP3 SWAP1 SWAP5 ADD DUP3 SWAP1 SUB DUP3 KECCAK256 DUP3 DUP6 ADD DUP6 MSTORE PUSH1 0xB DUP1 DUP5 MSTORE PUSH32 0x30782050726F746F636F6C000000000000000000000000000000000000000000 SWAP3 DUP5 ADD SWAP3 DUP4 MSTORE SWAP5 MLOAD SWAP1 SWAP7 POP SWAP2 SWAP5 POP SWAP1 SWAP3 DUP4 SWAP3 POP DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH3 0x1AE JUMPI DUP1 MLOAD DUP3 MSTORE PUSH1 0x1F NOT SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH3 0x18D JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH1 0x0 NOT ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 DUP1 MLOAD SWAP3 SWAP1 SWAP5 ADD DUP3 SWAP1 SUB DUP3 KECCAK256 DUP3 DUP6 ADD DUP6 MSTORE PUSH1 0x1 DUP1 DUP5 MSTORE PUSH32 0x3200000000000000000000000000000000000000000000000000000000000000 SWAP3 DUP5 ADD SWAP3 DUP4 MSTORE SWAP5 MLOAD SWAP1 SWAP7 POP SWAP2 SWAP5 POP SWAP1 SWAP3 DUP4 SWAP3 POP DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH3 0x238 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH1 0x1F NOT SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH3 0x217 JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH1 0x0 NOT ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 DUP1 MLOAD SWAP3 SWAP1 SWAP5 ADD DUP3 SWAP1 SUB DUP3 KECCAK256 DUP3 DUP3 ADD SWAP9 SWAP1 SWAP9 MSTORE DUP2 DUP5 ADD SWAP7 SWAP1 SWAP7 MSTORE PUSH1 0x60 DUP2 ADD SWAP7 SWAP1 SWAP7 MSTORE POP ADDRESS PUSH1 0x80 DUP1 DUP8 ADD SWAP2 SWAP1 SWAP2 MSTORE DUP2 MLOAD DUP1 DUP8 SUB SWAP1 SWAP2 ADD DUP2 MSTORE PUSH1 0xA0 SWAP1 SWAP6 ADD SWAP1 DUP2 SWAP1 MSTORE DUP5 MLOAD SWAP1 SWAP4 DUP5 SWAP4 POP DUP6 ADD SWAP2 POP DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH3 0x2C3 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH1 0x1F NOT SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH3 0x2A2 JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x0 NOT PUSH1 0x20 SWAP5 SWAP1 SWAP5 SUB PUSH2 0x100 EXP SWAP4 SWAP1 SWAP4 ADD SWAP3 DUP4 AND SWAP3 NOT AND SWAP2 SWAP1 SWAP2 OR SWAP1 MSTORE PUSH1 0x40 MLOAD SWAP3 ADD DUP3 SWAP1 SUB SWAP1 SWAP2 KECCAK256 PUSH1 0x1 SSTORE POP POP PUSH1 0x2 DUP1 SLOAD PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB NOT AND CALLER OR SWAP1 SSTORE POP PUSH2 0x58B3 DUP1 PUSH3 0x316 PUSH1 0x0 CODECOPY PUSH1 0x0 RETURN STOP PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0x1B6 JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x288CDC91 DUP2 EQ PUSH2 0x1BB JUMPI DUP1 PUSH4 0x297BB70B EQ PUSH2 0x1F1 JUMPI DUP1 PUSH4 0x2AC12622 EQ PUSH2 0x21E JUMPI DUP1 PUSH4 0x3683EF8E EQ PUSH2 0x24B JUMPI DUP1 PUSH4 0x3C28D861 EQ PUSH2 0x26D JUMPI DUP1 PUSH4 0x3E228BAE EQ PUSH2 0x29A JUMPI DUP1 PUSH4 0x3FD3C997 EQ PUSH2 0x2BA JUMPI DUP1 PUSH4 0x4AC14782 EQ PUSH2 0x2E7 JUMPI DUP1 PUSH4 0x4D0AE546 EQ PUSH2 0x307 JUMPI DUP1 PUSH4 0x4F9559B1 EQ PUSH2 0x327 JUMPI DUP1 PUSH4 0x50DDE190 EQ PUSH2 0x347 JUMPI DUP1 PUSH4 0x60704108 EQ PUSH2 0x367 JUMPI DUP1 PUSH4 0x642F2EAF EQ PUSH2 0x394 JUMPI DUP1 PUSH4 0x64A3BC15 EQ PUSH2 0x3B4 JUMPI DUP1 PUSH4 0x77FCCE68 EQ PUSH2 0x3D4 JUMPI DUP1 PUSH4 0x7B8E3514 EQ PUSH2 0x3F4 JUMPI DUP1 PUSH4 0x7E1D9808 EQ PUSH2 0x414 JUMPI DUP1 PUSH4 0x7E9D74DC EQ PUSH2 0x434 JUMPI DUP1 PUSH4 0x82C174D0 EQ PUSH2 0x461 JUMPI DUP1 PUSH4 0x8DA5CB5B EQ PUSH2 0x481 JUMPI DUP1 PUSH4 0x93634702 EQ PUSH2 0x496 JUMPI DUP1 PUSH4 0xA3E20380 EQ PUSH2 0x4B6 JUMPI DUP1 PUSH4 0xB4BE83D5 EQ PUSH2 0x4D6 JUMPI DUP1 PUSH4 0xBFC8BFCE EQ PUSH2 0x4F6 JUMPI DUP1 PUSH4 0xC585BB93 EQ PUSH2 0x516 JUMPI DUP1 PUSH4 0xC75E0A81 EQ PUSH2 0x536 JUMPI DUP1 PUSH4 0xD46B02C3 EQ PUSH2 0x563 JUMPI DUP1 PUSH4 0xD9BFA73E EQ PUSH2 0x583 JUMPI DUP1 PUSH4 0xDB123B1A EQ PUSH2 0x5A3 JUMPI DUP1 PUSH4 0xDD1C7D18 EQ PUSH2 0x5C5 JUMPI DUP1 PUSH4 0xE306F779 EQ PUSH2 0x5E5 JUMPI DUP1 PUSH4 0xE5FA431B EQ PUSH2 0x5FA JUMPI DUP1 PUSH4 0xEEA086BA EQ PUSH2 0x61A JUMPI DUP1 PUSH4 0xF2FDE38B EQ PUSH2 0x62F JUMPI DUP1 PUSH4 0xFFA1AD74 EQ PUSH2 0x64F JUMPI JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1C7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH2 0x1D6 CALLDATASIZE PUSH1 0x4 PUSH2 0x4800 JUMP JUMPDEST PUSH2 0x664 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x5425 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1FD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x20C CALLDATASIZE PUSH1 0x4 PUSH2 0x4723 JUMP JUMPDEST PUSH2 0x676 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x56FF JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x22A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x23E PUSH2 0x239 CALLDATASIZE PUSH1 0x4 PUSH2 0x4800 JUMP JUMPDEST PUSH2 0x7A1 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x5417 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x257 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x266 CALLDATASIZE PUSH1 0x4 PUSH2 0x483D JUMP JUMPDEST PUSH2 0x7B6 JUMP JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x279 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x28D PUSH2 0x288 CALLDATASIZE PUSH1 0x4 PUSH2 0x4971 JUMP JUMPDEST PUSH2 0x8A3 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x570D JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2A6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x2B5 CALLDATASIZE PUSH1 0x4 PUSH2 0x4A31 JUMP JUMPDEST PUSH2 0xA3A JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2C6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2DA PUSH2 0x2D5 CALLDATASIZE PUSH1 0x4 PUSH2 0x4900 JUMP JUMPDEST PUSH2 0xA90 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x54E1 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2F3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x302 CALLDATASIZE PUSH1 0x4 PUSH2 0x46EE JUMP JUMPDEST PUSH2 0xAB8 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x313 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x322 CALLDATASIZE PUSH1 0x4 PUSH2 0x4723 JUMP JUMPDEST PUSH2 0xB85 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x333 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x342 CALLDATASIZE PUSH1 0x4 PUSH2 0x4800 JUMP JUMPDEST PUSH2 0xC75 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x353 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x362 CALLDATASIZE PUSH1 0x4 PUSH2 0x4723 JUMP JUMPDEST PUSH2 0xE2A JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x373 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x387 PUSH2 0x382 CALLDATASIZE PUSH1 0x4 PUSH2 0x4900 JUMP JUMPDEST PUSH2 0xEBE JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x5337 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3A0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x23E PUSH2 0x3AF CALLDATASIZE PUSH1 0x4 PUSH2 0x4800 JUMP JUMPDEST PUSH2 0xF0C JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3C0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x3CF CALLDATASIZE PUSH1 0x4 PUSH2 0x4A31 JUMP JUMPDEST PUSH2 0xF21 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3E0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x3EF CALLDATASIZE PUSH1 0x4 PUSH2 0x46BE JUMP JUMPDEST PUSH2 0xFCC JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x400 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x23E PUSH2 0x40F CALLDATASIZE PUSH1 0x4 PUSH2 0x4684 JUMP JUMPDEST PUSH2 0x1106 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x420 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x42F CALLDATASIZE PUSH1 0x4 PUSH2 0x47B7 JUMP JUMPDEST PUSH2 0x1126 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x440 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x454 PUSH2 0x44F CALLDATASIZE PUSH1 0x4 PUSH2 0x46EE JUMP JUMPDEST PUSH2 0x128A JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x5406 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x46D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x23E PUSH2 0x47C CALLDATASIZE PUSH1 0x4 PUSH2 0x481E JUMP JUMPDEST PUSH2 0x131F JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x48D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x387 PUSH2 0x133F JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x4A2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x23E PUSH2 0x4B1 CALLDATASIZE PUSH1 0x4 PUSH2 0x48A5 JUMP JUMPDEST PUSH2 0x135B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x4C2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x4D1 CALLDATASIZE PUSH1 0x4 PUSH2 0x47B7 JUMP JUMPDEST PUSH2 0x18DE JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x4E2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x4F1 CALLDATASIZE PUSH1 0x4 PUSH2 0x4A31 JUMP JUMPDEST PUSH2 0x19F1 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x502 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x511 CALLDATASIZE PUSH1 0x4 PUSH2 0x4A7A JUMP JUMPDEST PUSH2 0x1A6C JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x522 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x531 CALLDATASIZE PUSH1 0x4 PUSH2 0x4666 JUMP JUMPDEST PUSH2 0x1D05 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x542 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x556 PUSH2 0x551 CALLDATASIZE PUSH1 0x4 PUSH2 0x493C JUMP JUMPDEST PUSH2 0x1F30 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x571C JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x56F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x57E CALLDATASIZE PUSH1 0x4 PUSH2 0x493C JUMP JUMPDEST PUSH2 0x202A JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x58F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH2 0x59E CALLDATASIZE PUSH1 0x4 PUSH2 0x4684 JUMP JUMPDEST PUSH2 0x20C6 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x5AF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x5B8 PUSH2 0x20E3 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x54D0 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x5D1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x5E0 CALLDATASIZE PUSH1 0x4 PUSH2 0x47B7 JUMP JUMPDEST PUSH2 0x2143 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x5F1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH2 0x2218 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x606 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x615 CALLDATASIZE PUSH1 0x4 PUSH2 0x47B7 JUMP JUMPDEST PUSH2 0x221E JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x626 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x387 PUSH2 0x2390 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x63B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x64A CALLDATASIZE PUSH1 0x4 PUSH2 0x4666 JUMP JUMPDEST PUSH2 0x23AC JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x65B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x5B8 PUSH2 0x245D JUMP JUMPDEST PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP2 JUMP JUMPDEST PUSH2 0x67E PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0x689 PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x6CF JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567F JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR DUP2 SSTORE DUP8 MLOAD SWAP4 POP SWAP2 POP JUMPDEST DUP2 DUP4 EQ PUSH2 0x76F JUMPI PUSH2 0x758 DUP8 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x719 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP8 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x731 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP8 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x749 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x2494 JUMP JUMPDEST SWAP1 POP PUSH2 0x764 DUP5 DUP3 PUSH2 0x2532 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH2 0x701 JUMP JUMPDEST POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x4 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND CALLER EQ PUSH2 0x846 JUMPI PUSH2 0x80E DUP5 DUP5 DUP5 DUP5 DUP1 DUP1 PUSH1 0x1F ADD PUSH1 0x20 DUP1 SWAP2 DIV MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP4 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP4 DUP4 DUP1 DUP3 DUP5 CALLDATACOPY POP PUSH2 0x135B SWAP5 POP POP POP POP POP JUMP JUMPDEST ISZERO ISZERO PUSH2 0x846 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x55AF JUMP JUMPDEST POP POP PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x6 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP4 AND DUP5 MSTORE SWAP2 SWAP1 MSTORE SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE JUMP JUMPDEST PUSH2 0x8AB PUSH2 0x42C1 JUMP JUMPDEST PUSH2 0x8B3 PUSH2 0x42F0 JUMP JUMPDEST PUSH2 0x8BB PUSH2 0x42F0 JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x8F9 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567F JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE PUSH2 0x160 DUP1 DUP10 ADD MLOAD PUSH2 0x140 DUP1 DUP11 ADD SWAP2 SWAP1 SWAP2 MSTORE DUP10 ADD MLOAD SWAP1 DUP9 ADD MSTORE PUSH2 0x945 DUP9 PUSH2 0x1F30 JUMP JUMPDEST SWAP3 POP PUSH2 0x950 DUP8 PUSH2 0x1F30 JUMP JUMPDEST SWAP2 POP PUSH2 0x95A PUSH2 0x2594 JUMP JUMPDEST SWAP1 POP PUSH2 0x968 DUP9 DUP5 DUP4 DUP10 PUSH2 0x25C6 JUMP JUMPDEST PUSH2 0x974 DUP8 DUP4 DUP4 DUP9 PUSH2 0x25C6 JUMP JUMPDEST PUSH2 0x97E DUP9 DUP9 PUSH2 0x275E JUMP JUMPDEST PUSH2 0x992 DUP9 DUP9 DUP6 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x40 ADD MLOAD PUSH2 0x27BE JUMP JUMPDEST DUP1 MLOAD PUSH1 0x20 DUP2 ADD MLOAD SWAP1 MLOAD SWAP2 SWAP6 POP PUSH2 0x9AD SWAP2 DUP11 SWAP2 DUP7 SWAP2 DUP2 SWAP1 PUSH2 0x2945 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP6 ADD MLOAD SWAP1 DUP2 ADD MLOAD SWAP1 MLOAD PUSH2 0x9C9 SWAP2 DUP10 SWAP2 DUP6 SWAP2 SWAP1 DUP2 SWAP1 PUSH2 0x2945 JUMP JUMPDEST PUSH2 0x9E2 DUP9 DUP3 DUP6 PUSH1 0x20 ADD MLOAD DUP7 PUSH1 0x40 ADD MLOAD DUP9 PUSH1 0x0 ADD MLOAD PUSH2 0x2A5E JUMP JUMPDEST PUSH2 0x9FB DUP8 DUP3 DUP5 PUSH1 0x20 ADD MLOAD DUP6 PUSH1 0x40 ADD MLOAD DUP9 PUSH1 0x20 ADD MLOAD PUSH2 0x2A5E JUMP JUMPDEST PUSH2 0xA07 DUP9 DUP9 DUP4 DUP8 PUSH2 0x2B0A JUMP JUMPDEST POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH2 0xA42 PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x60 PUSH2 0xA4F DUP6 DUP6 DUP6 PUSH2 0x2C92 JUMP JUMPDEST SWAP1 POP PUSH1 0x80 DUP2 DUP3 MLOAD PUSH1 0x20 DUP5 ADD ADDRESS GAS DELEGATECALL DUP1 ISZERO PUSH2 0xA86 JUMPI DUP2 MLOAD DUP4 MSTORE PUSH1 0x20 DUP3 ADD MLOAD PUSH1 0x20 DUP5 ADD MSTORE PUSH1 0x40 DUP3 ADD MLOAD PUSH1 0x40 DUP5 ADD MSTORE PUSH1 0x60 DUP3 ADD MLOAD PUSH1 0x60 DUP5 ADD MSTORE JUMPDEST POP JUMPDEST POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0xA PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD DUP2 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0xAF8 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567F JUMP JUMPDEST POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR DUP2 SSTORE DUP2 MLOAD SWAP1 JUMPDEST DUP1 DUP3 EQ PUSH2 0xB58 JUMPI PUSH2 0xB50 DUP4 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xB41 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x2E64 JUMP JUMPDEST PUSH1 0x1 ADD PUSH2 0xB29 JUMP JUMPDEST POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP JUMP JUMPDEST PUSH2 0xB8D PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0xB98 PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0xBD5 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567F JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR DUP2 SSTORE DUP8 MLOAD SWAP4 POP SWAP2 POP JUMPDEST DUP2 DUP4 EQ PUSH2 0x76F JUMPI PUSH2 0xC5E DUP8 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xC1F JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP8 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xC37 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP8 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xC4F JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x2E8F JUMP JUMPDEST SWAP1 POP PUSH2 0xC6A DUP5 DUP3 PUSH2 0x2532 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH2 0xC07 JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD DUP2 SWAP1 DUP2 SWAP1 DUP2 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0xCB9 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567F JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE PUSH2 0xCEC PUSH2 0x2594 JUMP JUMPDEST SWAP4 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND CALLER EQ PUSH2 0xD11 JUMPI CALLER PUSH2 0xD14 JUMP JUMPDEST PUSH1 0x0 JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP7 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x5 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP4 DUP6 AND DUP4 MSTORE SWAP3 SWAP1 MSTORE KECCAK256 SLOAD SWAP1 SWAP4 POP PUSH1 0x1 DUP7 ADD SWAP3 POP SWAP1 POP DUP1 DUP3 GT PUSH2 0xD8B JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x563F JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP6 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x5 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP5 DUP9 AND DUP1 DUP5 MSTORE SWAP5 SWAP1 SWAP2 MSTORE SWAP1 DUP2 SWAP1 KECCAK256 DUP6 SWAP1 SSTORE MLOAD PUSH32 0x82AF639571738F4EBD4268FB0363D8957EBE1BBB9E78DBA5EBD69EED39B154F0 SWAP1 PUSH2 0xDF3 SWAP1 DUP7 SWAP1 PUSH2 0x5425 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP POP POP JUMP JUMPDEST PUSH2 0xE32 PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0xE3D PUSH2 0x4298 JUMP JUMPDEST DUP7 MLOAD SWAP3 POP PUSH1 0x0 SWAP2 POP JUMPDEST DUP2 DUP4 EQ PUSH2 0xEB4 JUMPI PUSH2 0xE9D DUP8 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xE5E JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP8 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xE76 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP8 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xE8E JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0xA3A JUMP JUMPDEST SWAP1 POP PUSH2 0xEA9 DUP5 DUP3 PUSH2 0x2532 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH2 0xE46 JUMP JUMPDEST POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0xA PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND JUMPDEST SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x8 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH2 0xF29 PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0xF66 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567F JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE PUSH2 0xF9C DUP5 DUP5 DUP5 PUSH2 0x2E8F JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x100A JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567F JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE PUSH2 0x103D PUSH2 0x2594 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 DUP2 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x7 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP5 DUP10 AND DUP1 DUP5 MSTORE SWAP5 SWAP1 SWAP2 MSTORE SWAP1 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND DUP8 ISZERO ISZERO OR SWAP1 SSTORE MLOAD SWAP3 SWAP4 POP SWAP1 SWAP2 PUSH32 0xA8656E308026EEABCE8F0BC18048433252318AB80AC79DA0B3D3D8697DFBA891 SWAP1 PUSH2 0x10D1 SWAP1 DUP7 SWAP1 PUSH2 0x5417 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP JUMP JUMPDEST PUSH1 0x7 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x0 SWAP3 DUP4 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 SWAP1 SWAP2 MSTORE SWAP1 DUP3 MSTORE SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH2 0x112E PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x0 DUP1 PUSH1 0x0 PUSH2 0x113D PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x117A JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567F JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR DUP2 SSTORE DUP10 MLOAD DUP11 SWAP2 SWAP1 DUP2 LT PUSH2 0x11B2 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x160 ADD MLOAD SWAP5 POP DUP9 MLOAD SWAP4 POP PUSH1 0x0 SWAP3 POP JUMPDEST DUP3 DUP5 EQ PUSH2 0x1255 JUMPI DUP5 DUP10 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x11E2 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x160 ADD DUP2 SWAP1 MSTORE POP PUSH2 0x1202 DUP9 DUP8 PUSH1 0x20 ADD MLOAD PUSH2 0x2EE2 JUMP JUMPDEST SWAP2 POP PUSH2 0x122E DUP10 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1215 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP4 DUP10 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x749 JUMPI INVALID JUMPDEST SWAP1 POP PUSH2 0x123A DUP7 DUP3 PUSH2 0x2532 JUMP JUMPDEST PUSH1 0x20 DUP7 ADD MLOAD DUP9 GT PUSH2 0x124A JUMPI PUSH2 0x1255 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP3 ADD SWAP2 PUSH2 0x11CC JUMP JUMPDEST POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP SWAP2 SWAP6 SWAP5 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x60 PUSH1 0x0 PUSH1 0x60 PUSH1 0x0 DUP5 MLOAD SWAP3 POP DUP3 PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x12D0 JUMPI DUP2 PUSH1 0x20 ADD JUMPDEST PUSH2 0x12BD PUSH2 0x42F0 JUMP JUMPDEST DUP2 MSTORE PUSH1 0x20 ADD SWAP1 PUSH1 0x1 SWAP1 SUB SWAP1 DUP2 PUSH2 0x12B5 JUMPI SWAP1 POP JUMPDEST POP SWAP2 POP PUSH1 0x0 SWAP1 POP JUMPDEST DUP1 DUP4 EQ PUSH2 0xA88 JUMPI PUSH2 0x12FF DUP6 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x12F0 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x1F30 JUMP JUMPDEST DUP3 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x130D JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MSTORE PUSH1 0x1 ADD PUSH2 0x12D8 JUMP JUMPDEST PUSH1 0x6 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x0 SWAP3 DUP4 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 SWAP1 SWAP2 MSTORE SWAP1 DUP3 MSTORE SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x2 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP10 MLOAD GT ISZERO ISZERO PUSH2 0x13A4 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x562F JUMP JUMPDEST PUSH2 0x13AD DUP10 PUSH2 0x2F29 JUMP JUMPDEST PUSH32 0x100000000000000000000000000000000000000000000000000000000000000 SWAP1 DIV SWAP7 POP PUSH1 0x7 PUSH1 0xFF DUP9 AND LT PUSH2 0x140F JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x554F JUMP JUMPDEST DUP7 PUSH1 0xFF AND PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x141E JUMPI INVALID JUMPDEST SWAP6 POP PUSH1 0x0 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x142E JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x1466 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x561F JUMP JUMPDEST PUSH1 0x1 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x1474 JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x14BC JUMPI DUP9 MLOAD ISZERO PUSH2 0x14B3 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56EF JUMP JUMPDEST PUSH1 0x0 SWAP8 POP PUSH2 0x18D0 JUMP JUMPDEST PUSH1 0x2 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x14CA JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x1605 JUMPI DUP9 MLOAD PUSH1 0x41 EQ PUSH2 0x150B JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x54EF JUMP JUMPDEST DUP9 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x151A JUMPI INVALID JUMPDEST ADD PUSH1 0x20 ADD MLOAD PUSH32 0x100000000000000000000000000000000000000000000000000000000000000 SWAP1 DUP2 SWAP1 DIV DUP2 MUL DIV SWAP5 POP PUSH2 0x155A DUP10 PUSH1 0x1 PUSH4 0xFFFFFFFF PUSH2 0x2FED AND JUMP JUMPDEST SWAP4 POP PUSH2 0x156D DUP10 PUSH1 0x21 PUSH4 0xFFFFFFFF PUSH2 0x2FED AND JUMP JUMPDEST SWAP3 POP PUSH1 0x1 DUP12 DUP7 DUP7 DUP7 PUSH1 0x40 MLOAD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x40 MSTORE PUSH1 0x40 MLOAD PUSH2 0x1592 SWAP5 SWAP4 SWAP3 SWAP2 SWAP1 PUSH2 0x5480 JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD PUSH1 0x20 DUP2 SUB SWAP1 DUP1 DUP5 SUB SWAP1 PUSH1 0x0 DUP7 GAS CALL ISZERO DUP1 ISZERO PUSH2 0x15B6 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP PUSH1 0x40 MLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP13 DUP2 AND SWAP1 DUP3 AND EQ SWAP10 POP SWAP3 POP PUSH2 0x18D0 SWAP1 POP JUMP JUMPDEST PUSH1 0x3 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x1613 JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x17B9 JUMPI DUP9 MLOAD PUSH1 0x41 EQ PUSH2 0x1654 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x54EF JUMP JUMPDEST DUP9 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1663 JUMPI INVALID JUMPDEST ADD PUSH1 0x20 ADD MLOAD PUSH32 0x100000000000000000000000000000000000000000000000000000000000000 SWAP1 DUP2 SWAP1 DIV DUP2 MUL DIV SWAP5 POP PUSH2 0x16A3 DUP10 PUSH1 0x1 PUSH4 0xFFFFFFFF PUSH2 0x2FED AND JUMP JUMPDEST SWAP4 POP PUSH2 0x16B6 DUP10 PUSH1 0x21 PUSH4 0xFFFFFFFF PUSH2 0x2FED AND JUMP JUMPDEST SWAP3 POP PUSH1 0x1 DUP12 PUSH1 0x40 MLOAD PUSH1 0x20 ADD DUP1 DUP1 PUSH32 0x19457468657265756D205369676E6564204D6573736167653A0A333200000000 DUP2 MSTORE POP PUSH1 0x1C ADD DUP3 PUSH1 0x0 NOT AND PUSH1 0x0 NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD PUSH1 0x20 DUP2 DUP4 SUB SUB DUP2 MSTORE SWAP1 PUSH1 0x40 MSTORE PUSH1 0x40 MLOAD DUP1 DUP3 DUP1 MLOAD SWAP1 PUSH1 0x20 ADD SWAP1 DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x1757 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x171A JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 DUP1 MLOAD SWAP3 SWAP1 SWAP5 ADD DUP3 SWAP1 SUB DUP3 KECCAK256 PUSH1 0x0 DUP4 MSTORE SWAP2 ADD SWAP3 DUP4 SWAP1 MSTORE PUSH2 0x1592 SWAP5 POP SWAP3 POP DUP10 SWAP2 DUP10 SWAP2 POP DUP9 SWAP1 PUSH2 0x5480 JUMP JUMPDEST PUSH1 0x4 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x17C7 JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x17DF JUMPI PUSH2 0x17D8 DUP12 DUP12 DUP12 PUSH2 0x3038 JUMP JUMPDEST SWAP8 POP PUSH2 0x18D0 JUMP JUMPDEST PUSH1 0x5 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x17ED JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x1850 JUMPI PUSH2 0x17FC DUP10 PUSH2 0x318D JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP13 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x7 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP4 DUP6 AND DUP4 MSTORE SWAP3 SWAP1 MSTORE KECCAK256 SLOAD SWAP1 SWAP2 POP PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x1844 JUMPI PUSH1 0x0 SWAP8 POP PUSH2 0x18D0 JUMP JUMPDEST PUSH2 0x17D8 DUP2 DUP13 DUP13 DUP13 PUSH2 0x3206 JUMP JUMPDEST PUSH1 0x6 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x185E JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x189E JUMPI PUSH1 0x0 DUP12 DUP2 MSTORE PUSH1 0x6 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP15 AND DUP5 MSTORE SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND SWAP8 POP PUSH2 0x18D0 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x554F JUMP JUMPDEST POP POP POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH2 0x18E6 PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH2 0x18F6 PUSH2 0x4298 JUMP JUMPDEST DUP10 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1905 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x140 ADD MLOAD SWAP6 POP DUP10 MLOAD SWAP5 POP PUSH1 0x0 SWAP4 POP JUMPDEST DUP4 DUP6 EQ PUSH2 0x19E4 JUMPI DUP6 DUP11 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1935 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x140 ADD MSTORE DUP7 MLOAD PUSH2 0x1951 SWAP1 DUP11 SWAP1 PUSH2 0x2EE2 JUMP JUMPDEST SWAP3 POP PUSH2 0x1994 DUP11 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1964 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0xA0 ADD MLOAD DUP12 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1980 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0x80 ADD MLOAD DUP6 PUSH2 0x3362 JUMP JUMPDEST SWAP2 POP PUSH2 0x19C0 DUP11 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x19A7 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP4 DUP11 DUP8 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xE8E JUMPI INVALID JUMPDEST SWAP1 POP PUSH2 0x19CC DUP8 DUP3 PUSH2 0x2532 JUMP JUMPDEST DUP7 MLOAD DUP10 GT PUSH2 0x19D9 JUMPI PUSH2 0x19E4 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP4 ADD SWAP3 PUSH2 0x191F JUMP JUMPDEST POP POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH2 0x19F9 PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x1A36 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567F JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE PUSH2 0xF9C DUP5 DUP5 DUP5 PUSH2 0x2494 JUMP JUMPDEST PUSH1 0x9 SLOAD PUSH1 0x0 SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND ISZERO PUSH2 0x1ABF JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567F JUMP JUMPDEST PUSH2 0x1B02 PUSH2 0x1AFD DUP9 DUP9 DUP9 DUP9 DUP1 DUP1 PUSH1 0x1F ADD PUSH1 0x20 DUP1 SWAP2 DIV MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP4 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP4 DUP4 DUP1 DUP3 DUP5 CALLDATACOPY POP PUSH2 0x33B8 SWAP5 POP POP POP POP POP JUMP JUMPDEST PUSH2 0x35F9 JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x8 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD SWAP1 SWAP2 POP PUSH1 0xFF AND ISZERO PUSH2 0x1B4E JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x559F JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 AND CALLER EQ PUSH2 0x1C1F JUMPI PUSH2 0x1BA6 DUP2 DUP8 DUP6 DUP6 DUP1 DUP1 PUSH1 0x1F ADD PUSH1 0x20 DUP1 SWAP2 DIV MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP4 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP4 DUP4 DUP1 DUP3 DUP5 CALLDATACOPY POP PUSH2 0x135B SWAP5 POP POP POP POP POP JUMP JUMPDEST ISZERO ISZERO PUSH2 0x1BDE JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56DF JUMP JUMPDEST PUSH1 0x9 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP9 AND OR SWAP1 SSTORE JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x8 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE MLOAD ADDRESS SWAP1 DUP7 SWAP1 DUP7 SWAP1 DUP1 DUP4 DUP4 DUP1 DUP3 DUP5 CALLDATACOPY DUP3 ADD SWAP2 POP POP SWAP3 POP POP POP PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 DUP6 GAS DELEGATECALL SWAP2 POP POP ISZERO ISZERO PUSH2 0x1CB6 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x55CF JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 AND CALLER EQ PUSH2 0x1CFC JUMPI PUSH1 0x9 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND SWAP1 SSTORE JUMPDEST POP POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x2 SLOAD PUSH1 0x0 SWAP1 DUP2 SWAP1 DUP2 SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x1D5D JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x568F JUMP JUMPDEST DUP4 SWAP3 POP DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH4 0xAE25532E PUSH1 0x40 MLOAD DUP2 PUSH4 0xFFFFFFFF AND PUSH29 0x100000000000000000000000000000000000000000000000000000000 MUL DUP2 MSTORE PUSH1 0x4 ADD PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x1DC4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x1DD8 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x1DFC SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x491E JUMP JUMPDEST PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0xA PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD SWAP1 SWAP3 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 POP DUP1 ISZERO PUSH2 0x1E81 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x552F JUMP JUMPDEST PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0xA PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 AND OR SWAP1 SSTORE MLOAD PUSH32 0xD2C6B762299C609BDB96520B58A49BFB80186934D4F71A86A367571A15C03194 SWAP1 PUSH2 0x1F22 SWAP1 DUP5 SWAP1 DUP8 SWAP1 PUSH2 0x54B5 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG1 POP POP POP POP JUMP JUMPDEST PUSH2 0x1F38 PUSH2 0x42F0 JUMP JUMPDEST PUSH2 0x1F41 DUP3 PUSH2 0x3639 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP4 ADD DUP3 SWAP1 MSTORE PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x3 SWAP1 MSTORE PUSH1 0x40 SWAP1 DUP2 SWAP1 KECCAK256 SLOAD SWAP1 DUP3 ADD MSTORE PUSH1 0x80 DUP3 ADD MLOAD ISZERO ISZERO PUSH2 0x1F75 JUMPI PUSH1 0x1 JUMPDEST PUSH1 0xFF AND DUP2 MSTORE PUSH2 0xF07 JUMP JUMPDEST PUSH1 0xA0 DUP3 ADD MLOAD ISZERO ISZERO PUSH2 0x1F87 JUMPI PUSH1 0x2 PUSH2 0x1F6B JUMP JUMPDEST PUSH1 0xA0 DUP3 ADD MLOAD PUSH1 0x40 DUP3 ADD MLOAD LT PUSH2 0x1F9D JUMPI PUSH1 0x5 PUSH2 0x1F6B JUMP JUMPDEST PUSH2 0x100 DUP3 ADD MLOAD TIMESTAMP LT PUSH2 0x1FB0 JUMPI PUSH1 0x4 PUSH2 0x1F6B JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 ADD MLOAD PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x4 SWAP1 SWAP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x1FD4 JUMPI PUSH1 0x6 PUSH2 0x1F6B JUMP JUMPDEST PUSH2 0x120 DUP3 ADD MLOAD DUP3 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x5 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH1 0x60 DUP9 ADD MLOAD SWAP1 SWAP5 AND DUP4 MSTORE SWAP3 SWAP1 MSTORE KECCAK256 SLOAD GT ISZERO PUSH2 0x2021 JUMPI PUSH1 0x6 PUSH2 0x1F6B JUMP JUMPDEST PUSH1 0x3 DUP2 MSTORE SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x2067 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567F JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE PUSH2 0x209B DUP2 PUSH2 0x2E64 JUMP JUMPDEST POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE JUMP JUMPDEST PUSH1 0x5 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x0 SWAP3 DUP4 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 SWAP1 SWAP2 MSTORE SWAP1 DUP3 MSTORE SWAP1 KECCAK256 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 PUSH1 0x24 DUP2 MSTORE PUSH1 0x20 ADD PUSH32 0xF47261B0000000000000000000000000E41D2489571D322189246DAFA5EBDE1F DUP2 MSTORE PUSH1 0x20 ADD PUSH32 0x4699F49800000000000000000000000000000000000000000000000000000000 DUP2 MSTORE POP DUP2 JUMP JUMPDEST PUSH2 0x214B PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x0 DUP1 PUSH1 0x0 PUSH2 0x215A PUSH2 0x4298 JUMP JUMPDEST DUP9 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x2169 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x160 ADD MLOAD SWAP5 POP DUP9 MLOAD SWAP4 POP PUSH1 0x0 SWAP3 POP JUMPDEST DUP3 DUP5 EQ PUSH2 0x220C JUMPI DUP5 DUP10 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x2199 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x160 ADD DUP2 SWAP1 MSTORE POP PUSH2 0x21B9 DUP9 DUP8 PUSH1 0x20 ADD MLOAD PUSH2 0x2EE2 JUMP JUMPDEST SWAP2 POP PUSH2 0x21E5 DUP10 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x21CC JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP4 DUP10 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xE8E JUMPI INVALID JUMPDEST SWAP1 POP PUSH2 0x21F1 DUP7 DUP3 PUSH2 0x2532 JUMP JUMPDEST PUSH1 0x20 DUP7 ADD MLOAD DUP9 GT PUSH2 0x2201 JUMPI PUSH2 0x220C JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP3 ADD SWAP2 PUSH2 0x2183 JUMP JUMPDEST POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x1 SLOAD DUP2 JUMP JUMPDEST PUSH2 0x2226 PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH2 0x2236 PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x2273 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567F JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR DUP2 SSTORE DUP11 MLOAD DUP12 SWAP2 SWAP1 DUP2 LT PUSH2 0x22AB JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x140 ADD MLOAD SWAP6 POP DUP10 MLOAD SWAP5 POP PUSH1 0x0 SWAP4 POP JUMPDEST DUP4 DUP6 EQ PUSH2 0x235A JUMPI DUP6 DUP11 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x22DB JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x140 ADD MSTORE DUP7 MLOAD PUSH2 0x22F7 SWAP1 DUP11 SWAP1 PUSH2 0x2EE2 JUMP JUMPDEST SWAP3 POP PUSH2 0x230A DUP11 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1964 JUMPI INVALID JUMPDEST SWAP2 POP PUSH2 0x2336 DUP11 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x231D JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP4 DUP11 DUP8 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x749 JUMPI INVALID JUMPDEST SWAP1 POP PUSH2 0x2342 DUP8 DUP3 PUSH2 0x2532 JUMP JUMPDEST DUP7 MLOAD DUP10 GT PUSH2 0x234F JUMPI PUSH2 0x235A JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP4 ADD SWAP3 PUSH2 0x22C5 JUMP JUMPDEST POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP SWAP3 SWAP7 SWAP6 POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x9 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x2 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x23FD JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x568F JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0x245A JUMPI PUSH1 0x2 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND OR SWAP1 SSTORE JUMPDEST POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD DUP1 DUP3 ADD SWAP1 SWAP2 MSTORE PUSH1 0x5 DUP2 MSTORE PUSH32 0x322E302E30000000000000000000000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE DUP2 JUMP JUMPDEST PUSH2 0x249C PUSH2 0x4298 JUMP JUMPDEST PUSH2 0x24A4 PUSH2 0x42F0 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH2 0x24B2 DUP9 PUSH2 0x1F30 JUMP JUMPDEST SWAP4 POP PUSH2 0x24BC PUSH2 0x2594 JUMP JUMPDEST SWAP3 POP PUSH2 0x24CA DUP9 DUP6 DUP6 DUP10 PUSH2 0x25C6 JUMP JUMPDEST PUSH2 0x24DC DUP9 PUSH1 0xA0 ADD MLOAD DUP6 PUSH1 0x40 ADD MLOAD PUSH2 0x2EE2 JUMP JUMPDEST SWAP2 POP PUSH2 0x24E8 DUP8 DUP4 PUSH2 0x3647 JUMP JUMPDEST SWAP1 POP PUSH2 0x24FB DUP9 DUP6 DUP10 DUP5 DUP10 PUSH1 0x0 ADD MLOAD PUSH2 0x2945 JUMP JUMPDEST PUSH2 0x2505 DUP9 DUP3 PUSH2 0x365D JUMP JUMPDEST SWAP5 POP PUSH2 0x251C DUP9 DUP5 DUP7 PUSH1 0x20 ADD MLOAD DUP8 PUSH1 0x40 ADD MLOAD DUP10 PUSH2 0x2A5E JUMP JUMPDEST PUSH2 0x2527 DUP9 DUP5 DUP8 PUSH2 0x36BE JUMP JUMPDEST POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST DUP2 MLOAD DUP2 MLOAD PUSH2 0x2540 SWAP2 SWAP1 PUSH2 0x3776 JUMP JUMPDEST DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 ADD MLOAD SWAP1 DUP3 ADD MLOAD PUSH2 0x2556 SWAP2 SWAP1 PUSH2 0x3776 JUMP JUMPDEST PUSH1 0x20 DUP4 ADD MSTORE PUSH1 0x40 DUP1 DUP4 ADD MLOAD SWAP1 DUP3 ADD MLOAD PUSH2 0x256F SWAP2 SWAP1 PUSH2 0x3776 JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MSTORE PUSH1 0x60 DUP1 DUP4 ADD MLOAD SWAP1 DUP3 ADD MLOAD PUSH2 0x2588 SWAP2 SWAP1 PUSH2 0x3776 JUMP JUMPDEST PUSH1 0x60 SWAP1 SWAP3 ADD SWAP2 SWAP1 SWAP2 MSTORE POP JUMP JUMPDEST PUSH1 0x9 SLOAD PUSH1 0x0 SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 DUP2 ISZERO PUSH2 0x25BD JUMPI DUP2 PUSH2 0x25BF JUMP JUMPDEST CALLER JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST DUP3 MLOAD PUSH1 0xFF AND PUSH1 0x3 EQ PUSH2 0x2604 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56AF JUMP JUMPDEST PUSH1 0x60 DUP5 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND ISZERO PUSH2 0x2677 JUMPI PUSH1 0x60 DUP5 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x2677 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56BF JUMP JUMPDEST PUSH1 0x20 DUP5 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND ISZERO PUSH2 0x2702 JUMPI DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP5 PUSH1 0x20 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO ISZERO PUSH2 0x2702 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x54FF JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MLOAD ISZERO ISZERO PUSH2 0x2758 JUMPI PUSH2 0x2720 DUP4 PUSH1 0x20 ADD MLOAD DUP6 PUSH1 0x0 ADD MLOAD DUP4 PUSH2 0x135B JUMP JUMPDEST ISZERO ISZERO PUSH2 0x2758 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x556F JUMP JUMPDEST POP POP POP POP JUMP JUMPDEST PUSH2 0x2770 DUP3 PUSH1 0xA0 ADD MLOAD DUP3 PUSH1 0xA0 ADD MLOAD PUSH2 0x37C0 JUMP JUMPDEST PUSH2 0x2782 DUP4 PUSH1 0x80 ADD MLOAD DUP4 PUSH1 0x80 ADD MLOAD PUSH2 0x37C0 JUMP JUMPDEST LT ISZERO PUSH2 0x27BA JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56CF JUMP JUMPDEST POP POP JUMP JUMPDEST PUSH2 0x27C6 PUSH2 0x42C1 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH2 0x27DA DUP10 PUSH1 0xA0 ADD MLOAD DUP9 PUSH2 0x2EE2 JUMP JUMPDEST SWAP4 POP PUSH2 0x27EF DUP10 PUSH1 0x80 ADD MLOAD DUP11 PUSH1 0xA0 ADD MLOAD DUP7 PUSH2 0x381B JUMP JUMPDEST SWAP3 POP PUSH2 0x27FF DUP9 PUSH1 0xA0 ADD MLOAD DUP8 PUSH2 0x2EE2 JUMP JUMPDEST SWAP2 POP PUSH2 0x2814 DUP9 PUSH1 0x80 ADD MLOAD DUP10 PUSH1 0xA0 ADD MLOAD DUP5 PUSH2 0x381B JUMP JUMPDEST SWAP1 POP DUP1 DUP5 LT PUSH2 0x2857 JUMPI PUSH1 0x20 DUP1 DUP7 ADD DUP1 MLOAD DUP4 SWAP1 MSTORE DUP1 MLOAD DUP3 ADD DUP5 SWAP1 MSTORE MLOAD MLOAD DUP7 MLOAD DUP3 ADD MSTORE PUSH1 0x80 DUP11 ADD MLOAD PUSH1 0xA0 DUP12 ADD MLOAD DUP8 MLOAD SWAP1 SWAP3 ADD MLOAD PUSH2 0x284F SWAP3 SWAP1 PUSH2 0x381B JUMP JUMPDEST DUP6 MLOAD MSTORE PUSH2 0x2894 JUMP JUMPDEST DUP5 MLOAD DUP4 SWAP1 MSTORE DUP5 MLOAD PUSH1 0x20 SWAP1 DUP2 ADD DUP6 SWAP1 MSTORE DUP6 MLOAD DUP2 ADD MLOAD SWAP1 DUP7 ADD DUP1 MLOAD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0xA0 DUP10 ADD MLOAD PUSH1 0x80 DUP11 ADD MLOAD SWAP2 MLOAD MLOAD PUSH2 0x288B SWAP3 SWAP1 PUSH2 0x3898 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP8 ADD MLOAD ADD MSTORE JUMPDEST DUP5 MLOAD MLOAD PUSH1 0x20 DUP1 DUP8 ADD MLOAD ADD MLOAD PUSH2 0x28A9 SWAP2 SWAP1 PUSH2 0x2EE2 JUMP JUMPDEST PUSH1 0x40 DUP7 ADD MSTORE DUP5 MLOAD MLOAD PUSH1 0x80 DUP11 ADD MLOAD PUSH1 0xC0 DUP12 ADD MLOAD PUSH2 0x28C6 SWAP3 SWAP2 SWAP1 PUSH2 0x381B JUMP JUMPDEST DUP6 MLOAD PUSH1 0x40 ADD MSTORE DUP5 MLOAD PUSH1 0x20 ADD MLOAD PUSH1 0xA0 DUP11 ADD MLOAD PUSH1 0xE0 DUP12 ADD MLOAD PUSH2 0x28E7 SWAP3 SWAP2 SWAP1 PUSH2 0x381B JUMP JUMPDEST DUP6 MLOAD PUSH1 0x60 ADD MSTORE PUSH1 0x20 DUP6 ADD MLOAD MLOAD PUSH1 0x80 DUP10 ADD MLOAD PUSH1 0xC0 DUP11 ADD MLOAD PUSH2 0x2908 SWAP3 SWAP2 SWAP1 PUSH2 0x381B JUMP JUMPDEST DUP6 PUSH1 0x20 ADD MLOAD PUSH1 0x40 ADD DUP2 DUP2 MSTORE POP POP PUSH2 0x2930 DUP6 PUSH1 0x20 ADD MLOAD PUSH1 0x20 ADD MLOAD DUP10 PUSH1 0xA0 ADD MLOAD DUP11 PUSH1 0xE0 ADD MLOAD PUSH2 0x381B JUMP JUMPDEST PUSH1 0x20 DUP7 ADD MLOAD PUSH1 0x60 ADD MSTORE POP POP POP POP SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST DUP3 ISZERO ISZERO PUSH2 0x297E JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x55EF JUMP JUMPDEST DUP3 DUP3 GT ISZERO PUSH2 0x29B8 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x55DF JUMP JUMPDEST DUP5 PUSH1 0xA0 ADD MLOAD PUSH2 0x29CB DUP6 PUSH1 0x40 ADD MLOAD DUP5 PUSH2 0x3776 JUMP JUMPDEST GT ISZERO PUSH2 0x2A03 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x550F JUMP JUMPDEST PUSH2 0x2A11 DUP6 PUSH1 0x80 ADD MLOAD DUP4 PUSH2 0x37C0 JUMP JUMPDEST PUSH2 0x2A1F DUP3 DUP8 PUSH1 0xA0 ADD MLOAD PUSH2 0x37C0 JUMP JUMPDEST GT ISZERO PUSH2 0x2A57 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x566F JUMP JUMPDEST POP POP POP POP POP JUMP JUMPDEST PUSH2 0x2A6C DUP3 DUP3 PUSH1 0x20 ADD MLOAD PUSH2 0x3776 JUMP JUMPDEST PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP2 DUP3 SWAP1 KECCAK256 SWAP3 SWAP1 SWAP3 SSTORE DUP7 DUP2 ADD MLOAD DUP8 MLOAD DUP5 MLOAD SWAP4 DUP6 ADD MLOAD DUP6 DUP5 ADD MLOAD PUSH1 0x60 DUP8 ADD MLOAD PUSH2 0x140 DUP13 ADD MLOAD PUSH2 0x160 DUP14 ADD MLOAD SWAP7 MLOAD DUP12 SWAP9 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP8 DUP9 AND SWAP9 SWAP8 SWAP1 SWAP7 AND SWAP7 PUSH32 0xBCC4C97732E47D9946F229EDB95F5B6323F601300E4690DE719993F3C371129 SWAP7 PUSH2 0x2AFB SWAP7 DUP16 SWAP7 CALLER SWAP7 SWAP3 SWAP6 SWAP2 SWAP5 SWAP1 SWAP4 SWAP1 PUSH2 0x5345 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG4 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 PUSH1 0x24 DUP2 MSTORE PUSH1 0x20 ADD PUSH32 0xF47261B0000000000000000000000000E41D2489571D322189246DAFA5EBDE1F DUP2 MSTORE PUSH1 0x20 ADD PUSH32 0x4699F49800000000000000000000000000000000000000000000000000000000 DUP2 MSTORE POP SWAP1 POP PUSH2 0x2B8B DUP6 PUSH2 0x140 ADD MLOAD DUP7 PUSH1 0x0 ADD MLOAD DUP7 PUSH1 0x0 ADD MLOAD DUP6 PUSH1 0x20 ADD MLOAD PUSH1 0x20 ADD MLOAD PUSH2 0x3935 JUMP JUMPDEST PUSH2 0x140 DUP5 ADD MLOAD DUP5 MLOAD DUP7 MLOAD DUP5 MLOAD PUSH1 0x20 ADD MLOAD PUSH2 0x2BA7 SWAP4 SWAP3 SWAP2 SWAP1 PUSH2 0x3935 JUMP JUMPDEST PUSH2 0x2BC0 DUP6 PUSH2 0x140 ADD MLOAD DUP7 PUSH1 0x0 ADD MLOAD DUP6 DUP6 PUSH1 0x40 ADD MLOAD PUSH2 0x3935 JUMP JUMPDEST PUSH2 0x2BDC DUP2 DUP7 PUSH1 0x0 ADD MLOAD DUP8 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x0 ADD MLOAD PUSH1 0x40 ADD MLOAD PUSH2 0x3935 JUMP JUMPDEST PUSH2 0x2BF8 DUP2 DUP6 PUSH1 0x0 ADD MLOAD DUP7 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x20 ADD MLOAD PUSH1 0x40 ADD MLOAD PUSH2 0x3935 JUMP JUMPDEST DUP4 PUSH1 0x40 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP6 PUSH1 0x40 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO PUSH2 0x2C62 JUMPI PUSH2 0x2C5D DUP2 DUP5 DUP8 PUSH1 0x40 ADD MLOAD PUSH2 0x2C58 DUP7 PUSH1 0x0 ADD MLOAD PUSH1 0x60 ADD MLOAD DUP8 PUSH1 0x20 ADD MLOAD PUSH1 0x60 ADD MLOAD PUSH2 0x3776 JUMP JUMPDEST PUSH2 0x3935 JUMP JUMPDEST PUSH2 0x2A57 JUMP JUMPDEST PUSH2 0x2C7A DUP2 DUP5 DUP8 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x0 ADD MLOAD PUSH1 0x60 ADD MLOAD PUSH2 0x3935 JUMP JUMPDEST PUSH2 0x2A57 DUP2 DUP5 DUP7 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x20 ADD MLOAD PUSH1 0x60 ADD MLOAD PUSH2 0x3935 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0xB4BE83D500000000000000000000000000000000000000000000000000000000 PUSH1 0x20 DUP1 DUP4 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0x60 PUSH1 0x24 DUP4 ADD DUP2 DUP2 MSTORE DUP8 MLOAD PUSH1 0x84 DUP6 ADD SWAP1 DUP2 MSTORE DUP9 DUP5 ADD MLOAD PUSH1 0xA4 DUP7 ADD MSTORE SWAP5 DUP9 ADD MLOAD PUSH1 0xC4 DUP6 ADD MSTORE SWAP1 DUP8 ADD MLOAD PUSH1 0xE4 DUP5 ADD MSTORE PUSH1 0x80 DUP8 ADD MLOAD PUSH2 0x104 DUP5 ADD MSTORE PUSH1 0xA0 DUP8 ADD MLOAD PUSH2 0x124 DUP5 ADD MSTORE PUSH1 0xC0 DUP8 ADD MLOAD PUSH2 0x144 DUP5 ADD MSTORE PUSH1 0xE0 DUP8 ADD MLOAD PUSH2 0x164 DUP5 ADD MSTORE PUSH2 0x100 DUP8 ADD MLOAD PUSH2 0x184 DUP5 ADD MSTORE PUSH2 0x120 DUP8 ADD MLOAD PUSH2 0x1A4 DUP5 ADD MSTORE PUSH2 0x140 DUP8 ADD DUP1 MLOAD PUSH2 0x1C4 DUP6 ADD SWAP1 DUP2 MSTORE PUSH2 0x160 DUP10 ADD MLOAD PUSH2 0x1E4 DUP7 ADD MSTORE PUSH2 0x180 SWAP1 MSTORE MLOAD DUP1 MLOAD PUSH2 0x204 DUP6 ADD DUP2 SWAP1 MSTORE SWAP4 SWAP5 SWAP2 SWAP4 DUP5 SWAP4 PUSH1 0x44 DUP8 ADD SWAP3 DUP5 SWAP3 PUSH2 0x224 DUP10 ADD SWAP3 SWAP2 DUP3 ADD SWAP2 PUSH1 0x1F DUP3 ADD DIV PUSH1 0x0 JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x2D99 JUMPI DUP4 MLOAD DUP6 MSTORE PUSH1 0x20 SWAP5 DUP6 ADD SWAP5 SWAP1 SWAP4 ADD SWAP3 PUSH1 0x1 ADD PUSH2 0x2D7B JUMP JUMPDEST POP POP POP POP DUP2 DUP2 SUB PUSH2 0x160 DUP1 DUP5 ADD SWAP2 SWAP1 SWAP2 MSTORE DUP11 ADD MLOAD DUP1 MLOAD DUP1 DUP4 MSTORE PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 DUP3 ADD SWAP2 PUSH1 0x1F DUP3 ADD DIV PUSH1 0x0 JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x2DE2 JUMPI DUP4 MLOAD DUP6 MSTORE PUSH1 0x20 SWAP5 DUP6 ADD SWAP5 SWAP1 SWAP4 ADD SWAP3 PUSH1 0x1 ADD PUSH2 0x2DC4 JUMP JUMPDEST POP POP POP DUP10 DUP5 MSTORE POP DUP5 DUP2 SUB PUSH1 0x20 SWAP4 DUP5 ADD SWAP1 DUP2 MSTORE DUP9 MLOAD DUP1 DUP4 MSTORE SWAP1 SWAP4 SWAP2 DUP3 ADD SWAP2 DUP10 DUP2 ADD SWAP2 SWAP1 PUSH1 0x1F DUP3 ADD DIV PUSH1 0x0 JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x2E2A JUMPI DUP4 MLOAD DUP6 MSTORE PUSH1 0x20 SWAP5 DUP6 ADD SWAP5 SWAP1 SWAP4 ADD SWAP3 PUSH1 0x1 ADD PUSH2 0x2E0C JUMP JUMPDEST POP POP POP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 DUP9 DUP4 SUB ADD DUP9 MSTORE POP PUSH1 0x40 MSTORE POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH2 0x2E6C PUSH2 0x42F0 JUMP JUMPDEST PUSH2 0x2E75 DUP3 PUSH2 0x1F30 JUMP JUMPDEST SWAP1 POP PUSH2 0x2E81 DUP3 DUP3 PUSH2 0x3AFF JUMP JUMPDEST PUSH2 0x27BA DUP3 DUP3 PUSH1 0x20 ADD MLOAD PUSH2 0x3C16 JUMP JUMPDEST PUSH2 0x2E97 PUSH2 0x4298 JUMP JUMPDEST PUSH2 0x2EA2 DUP5 DUP5 DUP5 PUSH2 0x2494 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD MLOAD SWAP1 SWAP2 POP DUP4 EQ PUSH2 0x25BF JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x565F JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 GT ISZERO PUSH2 0x2F1E JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x551F JUMP JUMPDEST POP DUP1 DUP3 SUB JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP3 MLOAD GT ISZERO ISZERO PUSH2 0x2F67 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x560F JUMP JUMPDEST DUP2 MLOAD DUP3 SWAP1 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 ADD SWAP1 DUP2 LT PUSH2 0x2F97 JUMPI INVALID JUMPDEST ADD PUSH1 0x20 ADD MLOAD DUP3 MLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP3 MSTORE POP PUSH32 0x100000000000000000000000000000000000000000000000000000000000000 SWAP1 DUP2 SWAP1 DIV MUL SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x20 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x302F JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x553F JUMP JUMPDEST POP ADD PUSH1 0x20 ADD MLOAD SWAP1 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH1 0x0 SWAP1 PUSH1 0x60 SWAP1 PUSH32 0x1626BA7E00000000000000000000000000000000000000000000000000000000 SWAP1 PUSH2 0x3073 SWAP1 DUP8 SWAP1 DUP7 SWAP1 PUSH1 0x24 ADD PUSH2 0x5460 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 DUP2 DUP5 SUB ADD DUP2 MSTORE SWAP2 SWAP1 MSTORE PUSH1 0x20 DUP1 DUP3 ADD DUP1 MLOAD PUSH28 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 OR DUP4 MSTORE DUP2 MLOAD SWAP2 SWAP4 POP SWAP1 DUP3 SWAP1 DUP2 DUP9 GAS STATICCALL DUP1 DUP1 ISZERO PUSH2 0x3110 JUMPI PUSH1 0x1 DUP2 EQ PUSH2 0x3181 JUMPI PUSH2 0x2527 JUMP JUMPDEST PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 PUSH1 0x0 MSTORE PUSH29 0x2000000000000000000000000000000000000000000000000000000000 PUSH1 0x20 MSTORE PUSH29 0xC57414C4C45545F4552524F5200000000000000000000000000000000 PUSH1 0x40 MSTORE PUSH1 0x0 PUSH1 0x60 MSTORE PUSH1 0x64 PUSH1 0x0 REVERT JUMPDEST POP POP MLOAD SWAP6 SWAP5 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x14 DUP3 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x31CD JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x569F JUMP JUMPDEST PUSH2 0x31DB DUP3 PUSH1 0x14 DUP5 MLOAD SUB PUSH2 0x3CBD JUMP JUMPDEST DUP3 MLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEC ADD SWAP1 SWAP3 MSTORE POP SWAP1 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH1 0x0 SWAP1 PUSH1 0x60 SWAP1 PUSH32 0x9363470200000000000000000000000000000000000000000000000000000000 SWAP1 PUSH2 0x3243 SWAP1 DUP8 SWAP1 DUP8 SWAP1 DUP8 SWAP1 PUSH1 0x24 ADD PUSH2 0x5433 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 DUP2 DUP5 SUB ADD DUP2 MSTORE SWAP2 SWAP1 MSTORE PUSH1 0x20 DUP1 DUP3 ADD DUP1 MLOAD PUSH28 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 OR DUP4 MSTORE DUP2 MLOAD SWAP2 SWAP4 POP SWAP1 DUP3 SWAP1 DUP2 DUP11 GAS STATICCALL DUP1 DUP1 ISZERO PUSH2 0x32E0 JUMPI PUSH1 0x1 DUP2 EQ PUSH2 0x3351 JUMPI PUSH2 0x3356 JUMP JUMPDEST PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 PUSH1 0x0 MSTORE PUSH29 0x2000000000000000000000000000000000000000000000000000000000 PUSH1 0x20 MSTORE PUSH29 0xF56414C494441544F525F4552524F5200000000000000000000000000 PUSH1 0x40 MSTORE PUSH1 0x0 PUSH1 0x60 MSTORE PUSH1 0x64 PUSH1 0x0 REVERT JUMPDEST DUP3 MLOAD SWAP5 POP JUMPDEST POP POP POP POP SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP4 GT PUSH2 0x339D JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x555F JUMP JUMPDEST PUSH2 0x33B0 PUSH2 0x33AA DUP6 DUP5 PUSH2 0x37C0 JUMP JUMPDEST DUP5 PUSH2 0x3D1E JUMP JUMPDEST SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x5A65726F45785472616E73616374696F6E280000000000000000000000000000 PUSH1 0x20 DUP1 DUP4 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH32 0x75696E743235362073616C742C00000000000000000000000000000000000000 PUSH1 0x32 DUP4 ADD MSTORE PUSH32 0x61646472657373207369676E6572416464726573732C00000000000000000000 PUSH1 0x3F DUP4 ADD MSTORE PUSH32 0x6279746573206461746100000000000000000000000000000000000000000000 PUSH1 0x55 DUP4 ADD MSTORE PUSH32 0x2900000000000000000000000000000000000000000000000000000000000000 PUSH1 0x5F DUP4 ADD MSTORE DUP3 MLOAD DUP1 DUP4 SUB DUP5 ADD DUP2 MSTORE PUSH1 0x60 SWAP1 SWAP3 ADD SWAP3 DUP4 SWAP1 MSTORE DUP2 MLOAD PUSH1 0x0 SWAP4 DUP5 SWAP4 DUP5 SWAP4 SWAP1 SWAP3 DUP3 SWAP2 DUP5 ADD SWAP1 DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x34E1 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x34A4 JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 MLOAD SWAP2 SWAP1 SWAP4 ADD DUP2 SWAP1 SUB DUP2 KECCAK256 DUP10 MLOAD SWAP1 SWAP8 POP DUP10 SWAP6 POP SWAP1 SWAP4 POP DUP4 SWAP3 DUP6 ADD SWAP2 POP DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x3577 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x353A JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 DUP1 MLOAD SWAP3 SWAP1 SWAP5 ADD DUP3 SWAP1 SUB DUP3 KECCAK256 SWAP8 DUP3 MSTORE DUP2 ADD SWAP11 SWAP1 SWAP11 MSTORE POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP8 SWAP1 SWAP8 AND SWAP7 DUP9 ADD SWAP7 SWAP1 SWAP7 MSTORE POP POP PUSH1 0x60 DUP6 ADD MSTORE POP POP PUSH1 0x80 SWAP1 SWAP2 KECCAK256 SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x1 SLOAD PUSH1 0x40 MLOAD PUSH32 0x1901000000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x2 DUP2 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0x22 DUP2 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0x42 SWAP1 KECCAK256 SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x2F23 PUSH2 0x1AFD DUP4 PUSH2 0x3D35 JUMP JUMPDEST PUSH1 0x0 DUP2 DUP4 LT PUSH2 0x3656 JUMPI DUP2 PUSH2 0x25BF JUMP JUMPDEST POP SWAP1 SWAP2 SWAP1 POP JUMP JUMPDEST PUSH2 0x3665 PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD DUP3 SWAP1 MSTORE PUSH1 0xA0 DUP4 ADD MLOAD PUSH1 0x80 DUP5 ADD MLOAD PUSH2 0x3681 SWAP2 DUP5 SWAP2 PUSH2 0x381B JUMP JUMPDEST DUP1 DUP3 MSTORE PUSH1 0x80 DUP5 ADD MLOAD PUSH1 0xC0 DUP6 ADD MLOAD PUSH2 0x3699 SWAP3 SWAP2 SWAP1 PUSH2 0x381B JUMP JUMPDEST PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0xA0 DUP4 ADD MLOAD PUSH1 0xE0 DUP5 ADD MLOAD PUSH2 0x36B3 SWAP2 DUP5 SWAP2 PUSH2 0x381B JUMP JUMPDEST PUSH1 0x60 DUP3 ADD MSTORE SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x60 DUP2 ADD DUP3 MSTORE PUSH1 0x24 DUP2 MSTORE PUSH32 0xF47261B0000000000000000000000000E41D2489571D322189246DAFA5EBDE1F PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x4699F49800000000000000000000000000000000000000000000000000000000 SWAP2 DUP2 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH2 0x140 DUP5 ADD MLOAD DUP5 MLOAD DUP4 MLOAD PUSH2 0x3731 SWAP3 SWAP2 SWAP1 DUP7 SWAP1 PUSH2 0x3935 JUMP JUMPDEST PUSH2 0x374A DUP5 PUSH2 0x160 ADD MLOAD DUP5 DUP7 PUSH1 0x0 ADD MLOAD DUP6 PUSH1 0x20 ADD MLOAD PUSH2 0x3935 JUMP JUMPDEST PUSH2 0x3762 DUP2 DUP6 PUSH1 0x0 ADD MLOAD DUP7 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x40 ADD MLOAD PUSH2 0x3935 JUMP JUMPDEST PUSH2 0x2758 DUP2 DUP5 DUP7 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x60 ADD MLOAD PUSH2 0x3935 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 ADD DUP4 DUP2 LT ISZERO PUSH2 0x37B5 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x558F JUMP JUMPDEST DUP1 SWAP2 POP JUMPDEST POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP4 ISZERO ISZERO PUSH2 0x37D3 JUMPI PUSH1 0x0 SWAP2 POP PUSH2 0x37B9 JUMP JUMPDEST POP DUP3 DUP3 MUL DUP3 DUP5 DUP3 DUP2 ISZERO ISZERO PUSH2 0x37E3 JUMPI INVALID JUMPDEST DIV EQ PUSH2 0x37B5 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x558F JUMP JUMPDEST PUSH1 0x0 DUP1 DUP4 GT PUSH2 0x3856 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x555F JUMP JUMPDEST PUSH2 0x3861 DUP5 DUP5 DUP5 PUSH2 0x418E JUMP JUMPDEST ISZERO PUSH2 0x339D JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x55BF JUMP JUMPDEST PUSH1 0x0 DUP1 DUP4 GT PUSH2 0x38D3 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x555F JUMP JUMPDEST PUSH2 0x38DE DUP5 DUP5 DUP5 PUSH2 0x4213 JUMP JUMPDEST ISZERO PUSH2 0x3915 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x55BF JUMP JUMPDEST PUSH2 0x33B0 PUSH2 0x33AA PUSH2 0x3925 DUP7 DUP6 PUSH2 0x37C0 JUMP JUMPDEST PUSH2 0x3930 DUP7 PUSH1 0x1 PUSH2 0x2EE2 JUMP JUMPDEST PUSH2 0x3776 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP4 GT DUP1 ISZERO PUSH2 0x3974 JUMPI POP DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO JUMPDEST ISZERO PUSH2 0x3AF7 JUMPI DUP6 MLOAD PUSH1 0x3 LT PUSH2 0x39B4 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x564F JUMP JUMPDEST POP POP PUSH1 0x20 DUP5 DUP2 ADD MLOAD PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0xA SWAP1 SWAP3 MSTORE PUSH1 0x40 SWAP1 SWAP2 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP1 ISZERO ISZERO PUSH2 0x3A3D JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x55FF JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH7 0xFFFFFFFFFFFE0 PUSH1 0x3F DUP9 MLOAD ADD AND DUP1 PUSH1 0x84 ADD DUP3 ADD PUSH32 0xA85E59E400000000000000000000000000000000000000000000000000000000 DUP4 MSTORE PUSH1 0x80 PUSH1 0x4 DUP5 ADD MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP9 AND PUSH1 0x24 DUP5 ADD MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND PUSH1 0x44 DUP5 ADD MSTORE DUP6 PUSH1 0x64 DUP5 ADD MSTORE PUSH1 0x84 DUP4 ADD JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x3AD9 JUMPI DUP10 MLOAD DUP2 MSTORE PUSH1 0x20 SWAP10 DUP11 ADD SWAP10 ADD PUSH2 0x3AC1 JUMP JUMPDEST PUSH2 0x200 DUP5 DUP6 DUP5 SUB DUP7 PUSH1 0x0 DUP10 GAS CALL DUP1 ISZERO ISZERO PUSH2 0x3AF1 JUMPI RETURNDATASIZE DUP6 REVERT JUMPDEST POP POP POP POP POP JUMPDEST POP POP POP POP POP POP JUMP JUMPDEST DUP1 MLOAD PUSH1 0x0 SWAP1 PUSH1 0xFF AND PUSH1 0x3 EQ PUSH2 0x3B40 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56AF JUMP JUMPDEST PUSH1 0x60 DUP4 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND ISZERO PUSH2 0x3BB3 JUMPI PUSH1 0x60 DUP4 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x3BB3 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56BF JUMP JUMPDEST PUSH2 0x3BBB PUSH2 0x2594 JUMP JUMPDEST DUP4 MLOAD SWAP1 SWAP2 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP4 AND SWAP2 AND EQ PUSH2 0x3C11 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x557F JUMP JUMPDEST POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE DUP3 DUP2 ADD MLOAD DUP4 MLOAD PUSH2 0x140 DUP6 ADD MLOAD PUSH2 0x160 DUP7 ADD MLOAD SWAP4 MLOAD DUP6 SWAP5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP5 DUP6 AND SWAP5 SWAP4 SWAP1 SWAP4 AND SWAP3 PUSH32 0xDC47B3613D9FE400085F6DBDC99453462279057E6207385042827ED6B1A62CF7 SWAP3 PUSH2 0x3CB1 SWAP3 CALLER SWAP3 SWAP1 PUSH2 0x53C9 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG4 POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x14 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x3CFF JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x569F JUMP JUMPDEST POP ADD PUSH1 0x14 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP1 DUP3 DUP5 DUP2 ISZERO ISZERO PUSH2 0x3D2C JUMPI INVALID JUMPDEST DIV SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x4F72646572280000000000000000000000000000000000000000000000000000 PUSH1 0x20 DUP1 DUP4 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH32 0x61646472657373206D616B6572416464726573732C0000000000000000000000 PUSH1 0x26 DUP4 ADD MSTORE PUSH32 0x616464726573732074616B6572416464726573732C0000000000000000000000 PUSH1 0x3B DUP4 ADD MSTORE PUSH32 0x6164647265737320666565526563697069656E74416464726573732C00000000 PUSH1 0x50 DUP4 ADD MSTORE PUSH32 0x616464726573732073656E646572416464726573732C00000000000000000000 PUSH1 0x6C DUP4 ADD MSTORE PUSH32 0x75696E74323536206D616B65724173736574416D6F756E742C00000000000000 PUSH1 0x82 DUP4 ADD MSTORE PUSH32 0x75696E743235362074616B65724173736574416D6F756E742C00000000000000 PUSH1 0x9B DUP4 ADD MSTORE PUSH32 0x75696E74323536206D616B65724665652C000000000000000000000000000000 PUSH1 0xB4 DUP4 ADD MSTORE PUSH32 0x75696E743235362074616B65724665652C000000000000000000000000000000 PUSH1 0xC5 DUP4 ADD MSTORE PUSH32 0x75696E743235362065787069726174696F6E54696D655365636F6E64732C0000 PUSH1 0xD6 DUP4 ADD MSTORE PUSH32 0x75696E743235362073616C742C00000000000000000000000000000000000000 PUSH1 0xF4 DUP4 ADD MSTORE PUSH32 0x6279746573206D616B65724173736574446174612C0000000000000000000000 PUSH2 0x101 DUP4 ADD MSTORE PUSH32 0x62797465732074616B6572417373657444617461000000000000000000000000 PUSH2 0x116 DUP4 ADD MSTORE PUSH32 0x2900000000000000000000000000000000000000000000000000000000000000 PUSH2 0x12A DUP4 ADD MSTORE DUP3 MLOAD PUSH2 0x10B DUP2 DUP5 SUB ADD DUP2 MSTORE PUSH2 0x12B SWAP1 SWAP3 ADD SWAP3 DUP4 SWAP1 MSTORE DUP2 MLOAD PUSH1 0x0 SWAP4 DUP5 SWAP4 DUP5 SWAP4 DUP5 SWAP4 SWAP2 SWAP3 SWAP2 DUP3 SWAP2 DUP5 ADD SWAP1 DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x3FBD JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x3F80 JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 MLOAD SWAP2 SWAP1 SWAP4 ADD DUP2 SWAP1 SUB DUP2 KECCAK256 PUSH2 0x140 DUP12 ADD MLOAD DUP1 MLOAD SWAP2 SWAP10 POP SWAP6 POP SWAP1 SWAP4 POP DUP4 SWAP3 DUP6 ADD SWAP2 POP DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x4058 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x401B JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 MLOAD SWAP2 SWAP1 SWAP4 ADD DUP2 SWAP1 SUB DUP2 KECCAK256 PUSH2 0x160 DUP12 ADD MLOAD DUP1 MLOAD SWAP2 SWAP9 POP SWAP6 POP SWAP1 SWAP4 POP DUP4 SWAP3 DUP6 ADD SWAP2 POP DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x40F3 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x40B6 JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 SWAP1 SWAP4 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP2 AND SWAP3 AND SWAP2 SWAP1 SWAP2 OR SWAP1 MSTORE PUSH1 0x40 MLOAD SWAP3 ADD DUP3 SWAP1 SUB SWAP1 SWAP2 KECCAK256 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 DUP10 ADD DUP1 MLOAD PUSH2 0x140 DUP12 ADD DUP1 MLOAD PUSH2 0x160 SWAP1 SWAP13 ADD DUP1 MLOAD SWAP11 DUP5 MSTORE SWAP9 DUP2 MSTORE SWAP3 DUP9 MSTORE PUSH2 0x1A0 DUP3 KECCAK256 SWAP2 MSTORE SWAP9 SWAP1 MSTORE POP POP POP SWAP2 SWAP1 MSTORE POP SWAP1 SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 DUP5 GT PUSH2 0x41CA JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x555F JUMP JUMPDEST DUP3 ISZERO DUP1 PUSH2 0x41D5 JUMPI POP DUP5 ISZERO JUMPDEST ISZERO PUSH2 0x41E3 JUMPI PUSH1 0x0 SWAP2 POP PUSH2 0xA88 JUMP JUMPDEST DUP4 DUP1 ISZERO ISZERO PUSH2 0x41ED JUMPI INVALID JUMPDEST DUP6 DUP5 MULMOD SWAP1 POP PUSH2 0x41FC DUP6 DUP5 PUSH2 0x37C0 JUMP JUMPDEST PUSH2 0x4208 PUSH2 0x3E8 DUP4 PUSH2 0x37C0 JUMP JUMPDEST LT ISZERO SWAP6 SWAP5 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 DUP5 GT PUSH2 0x424F JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x555F JUMP JUMPDEST DUP3 ISZERO DUP1 PUSH2 0x425A JUMPI POP DUP5 ISZERO JUMPDEST ISZERO PUSH2 0x4268 JUMPI PUSH1 0x0 SWAP2 POP PUSH2 0xA88 JUMP JUMPDEST DUP4 DUP1 ISZERO ISZERO PUSH2 0x4272 JUMPI INVALID JUMPDEST DUP6 DUP5 MULMOD SWAP1 POP DUP4 PUSH2 0x4282 DUP6 DUP4 PUSH2 0x2EE2 JUMP JUMPDEST DUP2 ISZERO ISZERO PUSH2 0x428B JUMPI INVALID JUMPDEST MOD SWAP1 POP PUSH2 0x41FC DUP6 DUP5 PUSH2 0x37C0 JUMP JUMPDEST PUSH1 0x80 PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE POP SWAP1 JUMP JUMPDEST PUSH2 0x120 PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 PUSH2 0x42D6 PUSH2 0x4298 JUMP JUMPDEST DUP2 MSTORE PUSH1 0x20 ADD PUSH2 0x42E3 PUSH2 0x4298 JUMP JUMPDEST DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE POP SWAP1 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x60 DUP2 ADD DUP3 MSTORE PUSH1 0x0 DUP1 DUP3 MSTORE PUSH1 0x20 DUP3 ADD DUP2 SWAP1 MSTORE SWAP2 DUP2 ADD SWAP2 SWAP1 SWAP2 MSTORE SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x25BF DUP3 CALLDATALOAD PUSH2 0x57C2 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x432D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x4340 PUSH2 0x433B DUP3 PUSH2 0x5751 JUMP JUMPDEST PUSH2 0x572A JUMP JUMPDEST DUP2 DUP2 MSTORE PUSH1 0x20 SWAP4 DUP5 ADD SWAP4 SWAP1 SWAP3 POP DUP3 ADD DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x437E JUMPI DUP2 CALLDATALOAD DUP7 ADD PUSH2 0x4368 DUP9 DUP3 PUSH2 0x44CE JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0x4352 JUMP JUMPDEST POP POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x4399 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x43A7 PUSH2 0x433B DUP3 PUSH2 0x5751 JUMP JUMPDEST DUP2 DUP2 MSTORE PUSH1 0x20 SWAP4 DUP5 ADD SWAP4 SWAP1 SWAP3 POP DUP3 ADD DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x437E JUMPI DUP2 CALLDATALOAD DUP7 ADD PUSH2 0x43CF DUP9 DUP3 PUSH2 0x451D JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0x43B9 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x43F6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x4404 PUSH2 0x433B DUP3 PUSH2 0x5751 JUMP JUMPDEST SWAP2 POP DUP2 DUP2 DUP4 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH1 0x20 DUP2 ADD SWAP1 POP DUP4 DUP6 PUSH1 0x20 DUP5 MUL DUP3 ADD GT ISZERO PUSH2 0x4429 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x437E JUMPI DUP2 PUSH2 0x443F DUP9 DUP3 PUSH2 0x4461 JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0x442C JUMP JUMPDEST PUSH1 0x0 PUSH2 0x25BF DUP3 CALLDATALOAD PUSH2 0x57DB JUMP JUMPDEST PUSH1 0x0 PUSH2 0x25BF DUP3 CALLDATALOAD PUSH2 0x57E0 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x25BF DUP3 CALLDATALOAD PUSH2 0x57E3 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x25BF DUP3 MLOAD PUSH2 0x57E3 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x1F DUP4 ADD DUP5 SGT PUSH2 0x4497 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP DUP2 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x44AF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x20 DUP4 ADD SWAP2 POP DUP4 PUSH1 0x1 DUP3 MUL DUP4 ADD GT ISZERO PUSH2 0x44C7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x44DF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x44ED PUSH2 0x433B DUP3 PUSH2 0x5772 JUMP JUMPDEST SWAP2 POP DUP1 DUP3 MSTORE PUSH1 0x20 DUP4 ADD PUSH1 0x20 DUP4 ADD DUP6 DUP4 DUP4 ADD GT ISZERO PUSH2 0x4509 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4514 DUP4 DUP3 DUP5 PUSH2 0x5819 JUMP JUMPDEST POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x180 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x4530 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x453B PUSH2 0x180 PUSH2 0x572A JUMP JUMPDEST SWAP1 POP PUSH1 0x0 PUSH2 0x4549 DUP5 DUP5 PUSH2 0x4310 JUMP JUMPDEST DUP3 MSTORE POP PUSH1 0x20 PUSH2 0x455A DUP5 DUP5 DUP4 ADD PUSH2 0x4310 JUMP JUMPDEST PUSH1 0x20 DUP4 ADD MSTORE POP PUSH1 0x40 PUSH2 0x456E DUP5 DUP3 DUP6 ADD PUSH2 0x4310 JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MSTORE POP PUSH1 0x60 PUSH2 0x4582 DUP5 DUP3 DUP6 ADD PUSH2 0x4310 JUMP JUMPDEST PUSH1 0x60 DUP4 ADD MSTORE POP PUSH1 0x80 PUSH2 0x4596 DUP5 DUP3 DUP6 ADD PUSH2 0x4461 JUMP JUMPDEST PUSH1 0x80 DUP4 ADD MSTORE POP PUSH1 0xA0 PUSH2 0x45AA DUP5 DUP3 DUP6 ADD PUSH2 0x4461 JUMP JUMPDEST PUSH1 0xA0 DUP4 ADD MSTORE POP PUSH1 0xC0 PUSH2 0x45BE DUP5 DUP3 DUP6 ADD PUSH2 0x4461 JUMP JUMPDEST PUSH1 0xC0 DUP4 ADD MSTORE POP PUSH1 0xE0 PUSH2 0x45D2 DUP5 DUP3 DUP6 ADD PUSH2 0x4461 JUMP JUMPDEST PUSH1 0xE0 DUP4 ADD MSTORE POP PUSH2 0x100 PUSH2 0x45E7 DUP5 DUP3 DUP6 ADD PUSH2 0x4461 JUMP JUMPDEST PUSH2 0x100 DUP4 ADD MSTORE POP PUSH2 0x120 PUSH2 0x45FD DUP5 DUP3 DUP6 ADD PUSH2 0x4461 JUMP JUMPDEST PUSH2 0x120 DUP4 ADD MSTORE POP PUSH2 0x140 DUP3 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x461F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x462B DUP5 DUP3 DUP6 ADD PUSH2 0x44CE JUMP JUMPDEST PUSH2 0x140 DUP4 ADD MSTORE POP PUSH2 0x160 DUP3 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x464D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4659 DUP5 DUP3 DUP6 ADD PUSH2 0x44CE JUMP JUMPDEST PUSH2 0x160 DUP4 ADD MSTORE POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x4678 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x33B0 DUP5 DUP5 PUSH2 0x4310 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x4697 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x46A3 DUP6 DUP6 PUSH2 0x4310 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 PUSH2 0x46B4 DUP6 DUP3 DUP7 ADD PUSH2 0x4310 JUMP JUMPDEST SWAP2 POP POP SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x46D1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x46DD DUP6 DUP6 PUSH2 0x4310 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 PUSH2 0x46B4 DUP6 DUP3 DUP7 ADD PUSH2 0x4455 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x4700 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4717 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x33B0 DUP5 DUP3 DUP6 ADD PUSH2 0x4388 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x60 DUP5 DUP7 SUB SLT ISZERO PUSH2 0x4738 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP4 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x474F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x475B DUP7 DUP3 DUP8 ADD PUSH2 0x4388 JUMP JUMPDEST SWAP4 POP POP PUSH1 0x20 DUP5 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4778 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4784 DUP7 DUP3 DUP8 ADD PUSH2 0x43E5 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x40 DUP5 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x47A1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x47AD DUP7 DUP3 DUP8 ADD PUSH2 0x431C JUMP JUMPDEST SWAP2 POP POP SWAP3 POP SWAP3 POP SWAP3 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x60 DUP5 DUP7 SUB SLT ISZERO PUSH2 0x47CC JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP4 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x47E3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x47EF DUP7 DUP3 DUP8 ADD PUSH2 0x4388 JUMP JUMPDEST SWAP4 POP POP PUSH1 0x20 PUSH2 0x4784 DUP7 DUP3 DUP8 ADD PUSH2 0x4461 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x4812 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x33B0 DUP5 DUP5 PUSH2 0x4461 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x4831 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x46A3 DUP6 DUP6 PUSH2 0x4461 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x60 DUP6 DUP8 SUB SLT ISZERO PUSH2 0x4853 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x485F DUP8 DUP8 PUSH2 0x4461 JUMP JUMPDEST SWAP5 POP POP PUSH1 0x20 PUSH2 0x4870 DUP8 DUP3 DUP9 ADD PUSH2 0x4310 JUMP JUMPDEST SWAP4 POP POP PUSH1 0x40 DUP6 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x488D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4899 DUP8 DUP3 DUP9 ADD PUSH2 0x4485 JUMP JUMPDEST SWAP6 SWAP9 SWAP5 SWAP8 POP SWAP6 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x60 DUP5 DUP7 SUB SLT ISZERO PUSH2 0x48BA JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x48C6 DUP7 DUP7 PUSH2 0x4461 JUMP JUMPDEST SWAP4 POP POP PUSH1 0x20 PUSH2 0x48D7 DUP7 DUP3 DUP8 ADD PUSH2 0x4310 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x40 DUP5 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x48F4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x47AD DUP7 DUP3 DUP8 ADD PUSH2 0x44CE JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x4912 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x33B0 DUP5 DUP5 PUSH2 0x446D JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x4930 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x33B0 DUP5 DUP5 PUSH2 0x4479 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x494E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4965 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x33B0 DUP5 DUP3 DUP6 ADD PUSH2 0x451D JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x80 DUP6 DUP8 SUB SLT ISZERO PUSH2 0x4987 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP5 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x499E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x49AA DUP8 DUP3 DUP9 ADD PUSH2 0x451D JUMP JUMPDEST SWAP5 POP POP PUSH1 0x20 DUP6 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x49C7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x49D3 DUP8 DUP3 DUP9 ADD PUSH2 0x451D JUMP JUMPDEST SWAP4 POP POP PUSH1 0x40 DUP6 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x49F0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x49FC DUP8 DUP3 DUP9 ADD PUSH2 0x44CE JUMP JUMPDEST SWAP3 POP POP PUSH1 0x60 DUP6 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4A19 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4A25 DUP8 DUP3 DUP9 ADD PUSH2 0x44CE JUMP JUMPDEST SWAP2 POP POP SWAP3 SWAP6 SWAP2 SWAP5 POP SWAP3 POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x60 DUP5 DUP7 SUB SLT ISZERO PUSH2 0x4A46 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP4 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4A5D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4A69 DUP7 DUP3 DUP8 ADD PUSH2 0x451D JUMP JUMPDEST SWAP4 POP POP PUSH1 0x20 PUSH2 0x48D7 DUP7 DUP3 DUP8 ADD PUSH2 0x4461 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x80 DUP8 DUP10 SUB SLT ISZERO PUSH2 0x4A93 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x4A9F DUP10 DUP10 PUSH2 0x4461 JUMP JUMPDEST SWAP7 POP POP PUSH1 0x20 PUSH2 0x4AB0 DUP10 DUP3 DUP11 ADD PUSH2 0x4310 JUMP JUMPDEST SWAP6 POP POP PUSH1 0x40 DUP8 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4ACD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4AD9 DUP10 DUP3 DUP11 ADD PUSH2 0x4485 JUMP JUMPDEST SWAP5 POP SWAP5 POP POP PUSH1 0x60 DUP8 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4AF8 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4B04 DUP10 DUP3 DUP11 ADD PUSH2 0x4485 JUMP JUMPDEST SWAP3 POP SWAP3 POP POP SWAP3 SWAP6 POP SWAP3 SWAP6 POP SWAP3 SWAP6 JUMP JUMPDEST PUSH2 0x4B1C DUP2 PUSH2 0x57C2 JUMP JUMPDEST DUP3 MSTORE POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x4B2D DUP3 PUSH2 0x57BE JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH2 0x4B3F DUP4 PUSH2 0x57B8 JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP3 DUP2 LT ISZERO PUSH2 0x4B6F JUMPI PUSH2 0x4B55 DUP7 DUP4 MLOAD PUSH2 0x52F7 JUMP JUMPDEST PUSH2 0x4B5E DUP3 PUSH2 0x57B8 JUMP JUMPDEST PUSH1 0x60 SWAP7 SWAP1 SWAP7 ADD SWAP6 SWAP2 POP PUSH1 0x1 ADD PUSH2 0x4B42 JUMP JUMPDEST POP SWAP4 SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH2 0x4B1C DUP2 PUSH2 0x57DB JUMP JUMPDEST PUSH2 0x4B1C DUP2 PUSH2 0x57E0 JUMP JUMPDEST PUSH2 0x4B1C DUP2 PUSH2 0x57E3 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x4B9F DUP3 PUSH2 0x57BE JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH2 0x4BB3 DUP2 PUSH1 0x20 DUP7 ADD PUSH1 0x20 DUP7 ADD PUSH2 0x5825 JUMP JUMPDEST PUSH2 0x4BBC DUP2 PUSH2 0x5851 JUMP JUMPDEST SWAP1 SWAP4 ADD PUSH1 0x20 ADD SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH2 0x4B1C DUP2 PUSH2 0x580E JUMP JUMPDEST PUSH1 0x12 DUP2 MSTORE PUSH32 0x4C454E4754485F36355F52455155495245440000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xD DUP2 MSTORE PUSH32 0x494E56414C49445F54414B455200000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xE DUP2 MSTORE PUSH32 0x4F524445525F4F56455246494C4C000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x11 DUP2 MSTORE PUSH32 0x55494E543235365F554E444552464C4F57000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x1A DUP2 MSTORE PUSH32 0x41535345545F50524F58595F414C52454144595F455849535453000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x26 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F33325F4C454E4754485F5245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5155495245440000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x15 DUP2 MSTORE PUSH32 0x5349474E41545552455F554E535550504F525445440000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x10 DUP2 MSTORE PUSH32 0x4449564953494F4E5F42595F5A45524F00000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x17 DUP2 MSTORE PUSH32 0x494E56414C49445F4F524445525F5349474E4154555245000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xD DUP2 MSTORE PUSH32 0x494E56414C49445F4D414B455200000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x10 DUP2 MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xF DUP2 MSTORE PUSH32 0x494E56414C49445F54585F484153480000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x11 DUP2 MSTORE PUSH32 0x494E56414C49445F5349474E4154555245000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xE DUP2 MSTORE PUSH32 0x524F554E44494E475F4552524F52000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x10 DUP2 MSTORE PUSH32 0x4641494C45445F455845435554494F4E00000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xD DUP2 MSTORE PUSH32 0x54414B45525F4F56455250415900000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x14 DUP2 MSTORE PUSH32 0x494E56414C49445F54414B45525F414D4F554E54000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x1A DUP2 MSTORE PUSH32 0x41535345545F50524F58595F444F45535F4E4F545F4558495354000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x21 DUP2 MSTORE PUSH32 0x475245415445525F5448414E5F5A45524F5F4C454E4754485F52455155495245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x4400000000000000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x11 DUP2 MSTORE PUSH32 0x5349474E41545552455F494C4C4547414C000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x1E DUP2 MSTORE PUSH32 0x4C454E4754485F475245415445525F5448414E5F305F52455155495245440000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x17 DUP2 MSTORE PUSH32 0x494E56414C49445F4E45575F4F524445525F45504F4348000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x1E DUP2 MSTORE PUSH32 0x4C454E4754485F475245415445525F5448414E5F335F52455155495245440000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x14 DUP2 MSTORE PUSH32 0x434F4D504C4554455F46494C4C5F4641494C4544000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x12 DUP2 MSTORE PUSH32 0x494E56414C49445F46494C4C5F50524943450000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x12 DUP2 MSTORE PUSH32 0x5245454E5452414E43595F494C4C4547414C0000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x13 DUP2 MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x26 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F32305F4C454E4754485F5245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5155495245440000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x10 DUP2 MSTORE PUSH32 0x4F524445525F554E46494C4C41424C4500000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xE DUP2 MSTORE PUSH32 0x494E56414C49445F53454E444552000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x18 DUP2 MSTORE PUSH32 0x4E454741544956455F5350524541445F52455155495245440000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x14 DUP2 MSTORE PUSH32 0x494E56414C49445F54585F5349474E4154555245000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x11 DUP2 MSTORE PUSH32 0x4C454E4754485F305F5245515549524544000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST DUP1 MLOAD PUSH1 0x80 DUP4 ADD SWAP1 PUSH2 0x5285 DUP5 DUP3 PUSH2 0x4B82 JUMP JUMPDEST POP PUSH1 0x20 DUP3 ADD MLOAD PUSH2 0x5298 PUSH1 0x20 DUP6 ADD DUP3 PUSH2 0x4B82 JUMP JUMPDEST POP PUSH1 0x40 DUP3 ADD MLOAD PUSH2 0x52AB PUSH1 0x40 DUP6 ADD DUP3 PUSH2 0x4B82 JUMP JUMPDEST POP PUSH1 0x60 DUP3 ADD MLOAD PUSH2 0x2758 PUSH1 0x60 DUP6 ADD DUP3 PUSH2 0x4B82 JUMP JUMPDEST DUP1 MLOAD PUSH2 0x120 DUP4 ADD SWAP1 PUSH2 0x52D0 DUP5 DUP3 PUSH2 0x5274 JUMP JUMPDEST POP PUSH1 0x20 DUP3 ADD MLOAD PUSH2 0x52E3 PUSH1 0x80 DUP6 ADD DUP3 PUSH2 0x5274 JUMP JUMPDEST POP PUSH1 0x40 DUP3 ADD MLOAD PUSH2 0x2758 PUSH2 0x100 DUP6 ADD DUP3 PUSH2 0x4B82 JUMP JUMPDEST DUP1 MLOAD PUSH1 0x60 DUP4 ADD SWAP1 PUSH2 0x5308 DUP5 DUP3 PUSH2 0x532E JUMP JUMPDEST POP PUSH1 0x20 DUP3 ADD MLOAD PUSH2 0x531B PUSH1 0x20 DUP6 ADD DUP3 PUSH2 0x4B82 JUMP JUMPDEST POP PUSH1 0x40 DUP3 ADD MLOAD PUSH2 0x2758 PUSH1 0x40 DUP6 ADD DUP3 PUSH2 0x4B82 JUMP JUMPDEST PUSH2 0x4B1C DUP2 PUSH2 0x5808 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x2F23 DUP3 DUP5 PUSH2 0x4B13 JUMP JUMPDEST PUSH2 0x100 DUP2 ADD PUSH2 0x5354 DUP3 DUP12 PUSH2 0x4B13 JUMP JUMPDEST PUSH2 0x5361 PUSH1 0x20 DUP4 ADD DUP11 PUSH2 0x4B13 JUMP JUMPDEST PUSH2 0x536E PUSH1 0x40 DUP4 ADD DUP10 PUSH2 0x4B82 JUMP JUMPDEST PUSH2 0x537B PUSH1 0x60 DUP4 ADD DUP9 PUSH2 0x4B82 JUMP JUMPDEST PUSH2 0x5388 PUSH1 0x80 DUP4 ADD DUP8 PUSH2 0x4B82 JUMP JUMPDEST PUSH2 0x5395 PUSH1 0xA0 DUP4 ADD DUP7 PUSH2 0x4B82 JUMP JUMPDEST DUP2 DUP2 SUB PUSH1 0xC0 DUP4 ADD MSTORE PUSH2 0x53A7 DUP2 DUP6 PUSH2 0x4B94 JUMP JUMPDEST SWAP1 POP DUP2 DUP2 SUB PUSH1 0xE0 DUP4 ADD MSTORE PUSH2 0x53BB DUP2 DUP5 PUSH2 0x4B94 JUMP JUMPDEST SWAP11 SWAP10 POP POP POP POP POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x60 DUP2 ADD PUSH2 0x53D7 DUP3 DUP7 PUSH2 0x4B13 JUMP JUMPDEST DUP2 DUP2 SUB PUSH1 0x20 DUP4 ADD MSTORE PUSH2 0x53E9 DUP2 DUP6 PUSH2 0x4B94 JUMP JUMPDEST SWAP1 POP DUP2 DUP2 SUB PUSH1 0x40 DUP4 ADD MSTORE PUSH2 0x53FD DUP2 DUP5 PUSH2 0x4B94 JUMP JUMPDEST SWAP6 SWAP5 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x25BF DUP2 DUP5 PUSH2 0x4B22 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x2F23 DUP3 DUP5 PUSH2 0x4B79 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x2F23 DUP3 DUP5 PUSH2 0x4B82 JUMP JUMPDEST PUSH1 0x60 DUP2 ADD PUSH2 0x5441 DUP3 DUP7 PUSH2 0x4B82 JUMP JUMPDEST PUSH2 0x544E PUSH1 0x20 DUP4 ADD DUP6 PUSH2 0x4B13 JUMP JUMPDEST DUP2 DUP2 SUB PUSH1 0x40 DUP4 ADD MSTORE PUSH2 0x53FD DUP2 DUP5 PUSH2 0x4B94 JUMP JUMPDEST PUSH1 0x40 DUP2 ADD PUSH2 0x546E DUP3 DUP6 PUSH2 0x4B82 JUMP JUMPDEST DUP2 DUP2 SUB PUSH1 0x20 DUP4 ADD MSTORE PUSH2 0x33B0 DUP2 DUP5 PUSH2 0x4B94 JUMP JUMPDEST PUSH1 0x80 DUP2 ADD PUSH2 0x548E DUP3 DUP8 PUSH2 0x4B82 JUMP JUMPDEST PUSH2 0x549B PUSH1 0x20 DUP4 ADD DUP7 PUSH2 0x532E JUMP JUMPDEST PUSH2 0x54A8 PUSH1 0x40 DUP4 ADD DUP6 PUSH2 0x4B82 JUMP JUMPDEST PUSH2 0x53FD PUSH1 0x60 DUP4 ADD DUP5 PUSH2 0x4B82 JUMP JUMPDEST PUSH1 0x40 DUP2 ADD PUSH2 0x54C3 DUP3 DUP6 PUSH2 0x4B8B JUMP JUMPDEST PUSH2 0x25BF PUSH1 0x20 DUP4 ADD DUP5 PUSH2 0x4B13 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x25BF DUP2 DUP5 PUSH2 0x4B94 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x2F23 DUP3 DUP5 PUSH2 0x4BC9 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4BD2 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4C02 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4C32 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4C62 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4C92 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4CC2 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4D18 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4D48 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4D78 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4DA8 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4DD8 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4E08 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4E38 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4E68 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4E98 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4EC8 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4EF8 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4F28 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4F58 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4FAE JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4FDE JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x500E JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x503E JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x506E JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x509E JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x50CE JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x50FE JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x512E JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x5184 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x51B4 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x51E4 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x5214 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x5244 JUMP JUMPDEST PUSH1 0x80 DUP2 ADD PUSH2 0x2F23 DUP3 DUP5 PUSH2 0x5274 JUMP JUMPDEST PUSH2 0x120 DUP2 ADD PUSH2 0x2F23 DUP3 DUP5 PUSH2 0x52BE JUMP JUMPDEST PUSH1 0x60 DUP2 ADD PUSH2 0x2F23 DUP3 DUP5 PUSH2 0x52F7 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP2 DUP2 ADD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT DUP3 DUP3 LT OR ISZERO PUSH2 0x5749 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x40 MSTORE SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH8 0xFFFFFFFFFFFFFFFF DUP3 GT ISZERO PUSH2 0x5768 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x20 SWAP1 DUP2 MUL ADD SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH8 0xFFFFFFFFFFFFFFFF DUP3 GT ISZERO PUSH2 0x5789 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x20 PUSH1 0x1F SWAP2 SWAP1 SWAP2 ADD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 AND ADD SWAP1 JUMP JUMPDEST PUSH1 0x20 ADD SWAP1 JUMP JUMPDEST MLOAD SWAP1 JUMP JUMPDEST PUSH20 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- "opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0x1B6 JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x288CDC91 DUP2 EQ PUSH2 0x1BB JUMPI DUP1 PUSH4 0x297BB70B EQ PUSH2 0x1F1 JUMPI DUP1 PUSH4 0x2AC12622 EQ PUSH2 0x21E JUMPI DUP1 PUSH4 0x3683EF8E EQ PUSH2 0x24B JUMPI DUP1 PUSH4 0x3C28D861 EQ PUSH2 0x26D JUMPI DUP1 PUSH4 0x3E228BAE EQ PUSH2 0x29A JUMPI DUP1 PUSH4 0x3FD3C997 EQ PUSH2 0x2BA JUMPI DUP1 PUSH4 0x4AC14782 EQ PUSH2 0x2E7 JUMPI DUP1 PUSH4 0x4D0AE546 EQ PUSH2 0x307 JUMPI DUP1 PUSH4 0x4F9559B1 EQ PUSH2 0x327 JUMPI DUP1 PUSH4 0x50DDE190 EQ PUSH2 0x347 JUMPI DUP1 PUSH4 0x60704108 EQ PUSH2 0x367 JUMPI DUP1 PUSH4 0x642F2EAF EQ PUSH2 0x394 JUMPI DUP1 PUSH4 0x64A3BC15 EQ PUSH2 0x3B4 JUMPI DUP1 PUSH4 0x77FCCE68 EQ PUSH2 0x3D4 JUMPI DUP1 PUSH4 0x7B8E3514 EQ PUSH2 0x3F4 JUMPI DUP1 PUSH4 0x7E1D9808 EQ PUSH2 0x414 JUMPI DUP1 PUSH4 0x7E9D74DC EQ PUSH2 0x434 JUMPI DUP1 PUSH4 0x82C174D0 EQ PUSH2 0x461 JUMPI DUP1 PUSH4 0x8DA5CB5B EQ PUSH2 0x481 JUMPI DUP1 PUSH4 0x93634702 EQ PUSH2 0x496 JUMPI DUP1 PUSH4 0xA3E20380 EQ PUSH2 0x4B6 JUMPI DUP1 PUSH4 0xB4BE83D5 EQ PUSH2 0x4D6 JUMPI DUP1 PUSH4 0xBFC8BFCE EQ PUSH2 0x4F6 JUMPI DUP1 PUSH4 0xC585BB93 EQ PUSH2 0x516 JUMPI DUP1 PUSH4 0xC75E0A81 EQ PUSH2 0x536 JUMPI DUP1 PUSH4 0xD46B02C3 EQ PUSH2 0x563 JUMPI DUP1 PUSH4 0xD9BFA73E EQ PUSH2 0x583 JUMPI DUP1 PUSH4 0xDB123B1A EQ PUSH2 0x5A3 JUMPI DUP1 PUSH4 0xDD1C7D18 EQ PUSH2 0x5C5 JUMPI DUP1 PUSH4 0xE306F779 EQ PUSH2 0x5E5 JUMPI DUP1 PUSH4 0xE5FA431B EQ PUSH2 0x5FA JUMPI DUP1 PUSH4 0xEEA086BA EQ PUSH2 0x61A JUMPI DUP1 PUSH4 0xF2FDE38B EQ PUSH2 0x62F JUMPI DUP1 PUSH4 0xFFA1AD74 EQ PUSH2 0x64F JUMPI JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1C7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH2 0x1D6 CALLDATASIZE PUSH1 0x4 PUSH2 0x4800 JUMP JUMPDEST PUSH2 0x664 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x5425 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1FD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x20C CALLDATASIZE PUSH1 0x4 PUSH2 0x4723 JUMP JUMPDEST PUSH2 0x676 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x56FF JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x22A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x23E PUSH2 0x239 CALLDATASIZE PUSH1 0x4 PUSH2 0x4800 JUMP JUMPDEST PUSH2 0x7A1 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x5417 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x257 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x266 CALLDATASIZE PUSH1 0x4 PUSH2 0x483D JUMP JUMPDEST PUSH2 0x7B6 JUMP JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x279 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x28D PUSH2 0x288 CALLDATASIZE PUSH1 0x4 PUSH2 0x4971 JUMP JUMPDEST PUSH2 0x8A3 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x570D JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2A6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x2B5 CALLDATASIZE PUSH1 0x4 PUSH2 0x4A31 JUMP JUMPDEST PUSH2 0xA3A JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2C6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2DA PUSH2 0x2D5 CALLDATASIZE PUSH1 0x4 PUSH2 0x4900 JUMP JUMPDEST PUSH2 0xA90 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x54E1 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2F3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x302 CALLDATASIZE PUSH1 0x4 PUSH2 0x46EE JUMP JUMPDEST PUSH2 0xAB8 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x313 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x322 CALLDATASIZE PUSH1 0x4 PUSH2 0x4723 JUMP JUMPDEST PUSH2 0xB85 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x333 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x342 CALLDATASIZE PUSH1 0x4 PUSH2 0x4800 JUMP JUMPDEST PUSH2 0xC75 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x353 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x362 CALLDATASIZE PUSH1 0x4 PUSH2 0x4723 JUMP JUMPDEST PUSH2 0xE2A JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x373 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x387 PUSH2 0x382 CALLDATASIZE PUSH1 0x4 PUSH2 0x4900 JUMP JUMPDEST PUSH2 0xEBE JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x5337 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3A0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x23E PUSH2 0x3AF CALLDATASIZE PUSH1 0x4 PUSH2 0x4800 JUMP JUMPDEST PUSH2 0xF0C JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3C0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x3CF CALLDATASIZE PUSH1 0x4 PUSH2 0x4A31 JUMP JUMPDEST PUSH2 0xF21 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3E0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x3EF CALLDATASIZE PUSH1 0x4 PUSH2 0x46BE JUMP JUMPDEST PUSH2 0xFCC JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x400 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x23E PUSH2 0x40F CALLDATASIZE PUSH1 0x4 PUSH2 0x4684 JUMP JUMPDEST PUSH2 0x1106 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x420 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x42F CALLDATASIZE PUSH1 0x4 PUSH2 0x47B7 JUMP JUMPDEST PUSH2 0x1126 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x440 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x454 PUSH2 0x44F CALLDATASIZE PUSH1 0x4 PUSH2 0x46EE JUMP JUMPDEST PUSH2 0x128A JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x5406 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x46D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x23E PUSH2 0x47C CALLDATASIZE PUSH1 0x4 PUSH2 0x481E JUMP JUMPDEST PUSH2 0x131F JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x48D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x387 PUSH2 0x133F JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x4A2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x23E PUSH2 0x4B1 CALLDATASIZE PUSH1 0x4 PUSH2 0x48A5 JUMP JUMPDEST PUSH2 0x135B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x4C2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x4D1 CALLDATASIZE PUSH1 0x4 PUSH2 0x47B7 JUMP JUMPDEST PUSH2 0x18DE JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x4E2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x4F1 CALLDATASIZE PUSH1 0x4 PUSH2 0x4A31 JUMP JUMPDEST PUSH2 0x19F1 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x502 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x511 CALLDATASIZE PUSH1 0x4 PUSH2 0x4A7A JUMP JUMPDEST PUSH2 0x1A6C JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x522 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x531 CALLDATASIZE PUSH1 0x4 PUSH2 0x4666 JUMP JUMPDEST PUSH2 0x1D05 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x542 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x556 PUSH2 0x551 CALLDATASIZE PUSH1 0x4 PUSH2 0x493C JUMP JUMPDEST PUSH2 0x1F30 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x571C JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x56F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x57E CALLDATASIZE PUSH1 0x4 PUSH2 0x493C JUMP JUMPDEST PUSH2 0x202A JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x58F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH2 0x59E CALLDATASIZE PUSH1 0x4 PUSH2 0x4684 JUMP JUMPDEST PUSH2 0x20C6 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x5AF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x5B8 PUSH2 0x20E3 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x54D0 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x5D1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x5E0 CALLDATASIZE PUSH1 0x4 PUSH2 0x47B7 JUMP JUMPDEST PUSH2 0x2143 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x5F1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH2 0x2218 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x606 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x615 CALLDATASIZE PUSH1 0x4 PUSH2 0x47B7 JUMP JUMPDEST PUSH2 0x221E JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x626 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x387 PUSH2 0x2390 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x63B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x64A CALLDATASIZE PUSH1 0x4 PUSH2 0x4666 JUMP JUMPDEST PUSH2 0x23AC JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x65B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x5B8 PUSH2 0x245D JUMP JUMPDEST PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP2 JUMP JUMPDEST PUSH2 0x67E PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0x689 PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x6CF JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567F JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR DUP2 SSTORE DUP8 MLOAD SWAP4 POP SWAP2 POP JUMPDEST DUP2 DUP4 EQ PUSH2 0x76F JUMPI PUSH2 0x758 DUP8 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x719 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP8 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x731 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP8 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x749 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x2494 JUMP JUMPDEST SWAP1 POP PUSH2 0x764 DUP5 DUP3 PUSH2 0x2532 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH2 0x701 JUMP JUMPDEST POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x4 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND CALLER EQ PUSH2 0x846 JUMPI PUSH2 0x80E DUP5 DUP5 DUP5 DUP5 DUP1 DUP1 PUSH1 0x1F ADD PUSH1 0x20 DUP1 SWAP2 DIV MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP4 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP4 DUP4 DUP1 DUP3 DUP5 CALLDATACOPY POP PUSH2 0x135B SWAP5 POP POP POP POP POP JUMP JUMPDEST ISZERO ISZERO PUSH2 0x846 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x55AF JUMP JUMPDEST POP POP PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x6 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP4 AND DUP5 MSTORE SWAP2 SWAP1 MSTORE SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE JUMP JUMPDEST PUSH2 0x8AB PUSH2 0x42C1 JUMP JUMPDEST PUSH2 0x8B3 PUSH2 0x42F0 JUMP JUMPDEST PUSH2 0x8BB PUSH2 0x42F0 JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x8F9 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567F JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE PUSH2 0x160 DUP1 DUP10 ADD MLOAD PUSH2 0x140 DUP1 DUP11 ADD SWAP2 SWAP1 SWAP2 MSTORE DUP10 ADD MLOAD SWAP1 DUP9 ADD MSTORE PUSH2 0x945 DUP9 PUSH2 0x1F30 JUMP JUMPDEST SWAP3 POP PUSH2 0x950 DUP8 PUSH2 0x1F30 JUMP JUMPDEST SWAP2 POP PUSH2 0x95A PUSH2 0x2594 JUMP JUMPDEST SWAP1 POP PUSH2 0x968 DUP9 DUP5 DUP4 DUP10 PUSH2 0x25C6 JUMP JUMPDEST PUSH2 0x974 DUP8 DUP4 DUP4 DUP9 PUSH2 0x25C6 JUMP JUMPDEST PUSH2 0x97E DUP9 DUP9 PUSH2 0x275E JUMP JUMPDEST PUSH2 0x992 DUP9 DUP9 DUP6 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x40 ADD MLOAD PUSH2 0x27BE JUMP JUMPDEST DUP1 MLOAD PUSH1 0x20 DUP2 ADD MLOAD SWAP1 MLOAD SWAP2 SWAP6 POP PUSH2 0x9AD SWAP2 DUP11 SWAP2 DUP7 SWAP2 DUP2 SWAP1 PUSH2 0x2945 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP6 ADD MLOAD SWAP1 DUP2 ADD MLOAD SWAP1 MLOAD PUSH2 0x9C9 SWAP2 DUP10 SWAP2 DUP6 SWAP2 SWAP1 DUP2 SWAP1 PUSH2 0x2945 JUMP JUMPDEST PUSH2 0x9E2 DUP9 DUP3 DUP6 PUSH1 0x20 ADD MLOAD DUP7 PUSH1 0x40 ADD MLOAD DUP9 PUSH1 0x0 ADD MLOAD PUSH2 0x2A5E JUMP JUMPDEST PUSH2 0x9FB DUP8 DUP3 DUP5 PUSH1 0x20 ADD MLOAD DUP6 PUSH1 0x40 ADD MLOAD DUP9 PUSH1 0x20 ADD MLOAD PUSH2 0x2A5E JUMP JUMPDEST PUSH2 0xA07 DUP9 DUP9 DUP4 DUP8 PUSH2 0x2B0A JUMP JUMPDEST POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH2 0xA42 PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x60 PUSH2 0xA4F DUP6 DUP6 DUP6 PUSH2 0x2C92 JUMP JUMPDEST SWAP1 POP PUSH1 0x80 DUP2 DUP3 MLOAD PUSH1 0x20 DUP5 ADD ADDRESS GAS DELEGATECALL DUP1 ISZERO PUSH2 0xA86 JUMPI DUP2 MLOAD DUP4 MSTORE PUSH1 0x20 DUP3 ADD MLOAD PUSH1 0x20 DUP5 ADD MSTORE PUSH1 0x40 DUP3 ADD MLOAD PUSH1 0x40 DUP5 ADD MSTORE PUSH1 0x60 DUP3 ADD MLOAD PUSH1 0x60 DUP5 ADD MSTORE JUMPDEST POP JUMPDEST POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0xA PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD DUP2 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0xAF8 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567F JUMP JUMPDEST POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR DUP2 SSTORE DUP2 MLOAD SWAP1 JUMPDEST DUP1 DUP3 EQ PUSH2 0xB58 JUMPI PUSH2 0xB50 DUP4 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xB41 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x2E64 JUMP JUMPDEST PUSH1 0x1 ADD PUSH2 0xB29 JUMP JUMPDEST POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP JUMP JUMPDEST PUSH2 0xB8D PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0xB98 PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0xBD5 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567F JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR DUP2 SSTORE DUP8 MLOAD SWAP4 POP SWAP2 POP JUMPDEST DUP2 DUP4 EQ PUSH2 0x76F JUMPI PUSH2 0xC5E DUP8 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xC1F JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP8 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xC37 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP8 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xC4F JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x2E8F JUMP JUMPDEST SWAP1 POP PUSH2 0xC6A DUP5 DUP3 PUSH2 0x2532 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH2 0xC07 JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD DUP2 SWAP1 DUP2 SWAP1 DUP2 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0xCB9 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567F JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE PUSH2 0xCEC PUSH2 0x2594 JUMP JUMPDEST SWAP4 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND CALLER EQ PUSH2 0xD11 JUMPI CALLER PUSH2 0xD14 JUMP JUMPDEST PUSH1 0x0 JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP7 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x5 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP4 DUP6 AND DUP4 MSTORE SWAP3 SWAP1 MSTORE KECCAK256 SLOAD SWAP1 SWAP4 POP PUSH1 0x1 DUP7 ADD SWAP3 POP SWAP1 POP DUP1 DUP3 GT PUSH2 0xD8B JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x563F JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP6 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x5 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP5 DUP9 AND DUP1 DUP5 MSTORE SWAP5 SWAP1 SWAP2 MSTORE SWAP1 DUP2 SWAP1 KECCAK256 DUP6 SWAP1 SSTORE MLOAD PUSH32 0x82AF639571738F4EBD4268FB0363D8957EBE1BBB9E78DBA5EBD69EED39B154F0 SWAP1 PUSH2 0xDF3 SWAP1 DUP7 SWAP1 PUSH2 0x5425 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP POP POP JUMP JUMPDEST PUSH2 0xE32 PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0xE3D PUSH2 0x4298 JUMP JUMPDEST DUP7 MLOAD SWAP3 POP PUSH1 0x0 SWAP2 POP JUMPDEST DUP2 DUP4 EQ PUSH2 0xEB4 JUMPI PUSH2 0xE9D DUP8 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xE5E JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP8 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xE76 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP8 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xE8E JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0xA3A JUMP JUMPDEST SWAP1 POP PUSH2 0xEA9 DUP5 DUP3 PUSH2 0x2532 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH2 0xE46 JUMP JUMPDEST POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0xA PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND JUMPDEST SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x8 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH2 0xF29 PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0xF66 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567F JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE PUSH2 0xF9C DUP5 DUP5 DUP5 PUSH2 0x2E8F JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x100A JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567F JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE PUSH2 0x103D PUSH2 0x2594 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 DUP2 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x7 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP5 DUP10 AND DUP1 DUP5 MSTORE SWAP5 SWAP1 SWAP2 MSTORE SWAP1 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND DUP8 ISZERO ISZERO OR SWAP1 SSTORE MLOAD SWAP3 SWAP4 POP SWAP1 SWAP2 PUSH32 0xA8656E308026EEABCE8F0BC18048433252318AB80AC79DA0B3D3D8697DFBA891 SWAP1 PUSH2 0x10D1 SWAP1 DUP7 SWAP1 PUSH2 0x5417 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP JUMP JUMPDEST PUSH1 0x7 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x0 SWAP3 DUP4 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 SWAP1 SWAP2 MSTORE SWAP1 DUP3 MSTORE SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH2 0x112E PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x0 DUP1 PUSH1 0x0 PUSH2 0x113D PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x117A JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567F JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR DUP2 SSTORE DUP10 MLOAD DUP11 SWAP2 SWAP1 DUP2 LT PUSH2 0x11B2 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x160 ADD MLOAD SWAP5 POP DUP9 MLOAD SWAP4 POP PUSH1 0x0 SWAP3 POP JUMPDEST DUP3 DUP5 EQ PUSH2 0x1255 JUMPI DUP5 DUP10 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x11E2 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x160 ADD DUP2 SWAP1 MSTORE POP PUSH2 0x1202 DUP9 DUP8 PUSH1 0x20 ADD MLOAD PUSH2 0x2EE2 JUMP JUMPDEST SWAP2 POP PUSH2 0x122E DUP10 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1215 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP4 DUP10 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x749 JUMPI INVALID JUMPDEST SWAP1 POP PUSH2 0x123A DUP7 DUP3 PUSH2 0x2532 JUMP JUMPDEST PUSH1 0x20 DUP7 ADD MLOAD DUP9 GT PUSH2 0x124A JUMPI PUSH2 0x1255 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP3 ADD SWAP2 PUSH2 0x11CC JUMP JUMPDEST POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP SWAP2 SWAP6 SWAP5 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x60 PUSH1 0x0 PUSH1 0x60 PUSH1 0x0 DUP5 MLOAD SWAP3 POP DUP3 PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x12D0 JUMPI DUP2 PUSH1 0x20 ADD JUMPDEST PUSH2 0x12BD PUSH2 0x42F0 JUMP JUMPDEST DUP2 MSTORE PUSH1 0x20 ADD SWAP1 PUSH1 0x1 SWAP1 SUB SWAP1 DUP2 PUSH2 0x12B5 JUMPI SWAP1 POP JUMPDEST POP SWAP2 POP PUSH1 0x0 SWAP1 POP JUMPDEST DUP1 DUP4 EQ PUSH2 0xA88 JUMPI PUSH2 0x12FF DUP6 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x12F0 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x1F30 JUMP JUMPDEST DUP3 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x130D JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MSTORE PUSH1 0x1 ADD PUSH2 0x12D8 JUMP JUMPDEST PUSH1 0x6 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x0 SWAP3 DUP4 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 SWAP1 SWAP2 MSTORE SWAP1 DUP3 MSTORE SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x2 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP10 MLOAD GT ISZERO ISZERO PUSH2 0x13A4 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x562F JUMP JUMPDEST PUSH2 0x13AD DUP10 PUSH2 0x2F29 JUMP JUMPDEST PUSH32 0x100000000000000000000000000000000000000000000000000000000000000 SWAP1 DIV SWAP7 POP PUSH1 0x7 PUSH1 0xFF DUP9 AND LT PUSH2 0x140F JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x554F JUMP JUMPDEST DUP7 PUSH1 0xFF AND PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x141E JUMPI INVALID JUMPDEST SWAP6 POP PUSH1 0x0 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x142E JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x1466 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x561F JUMP JUMPDEST PUSH1 0x1 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x1474 JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x14BC JUMPI DUP9 MLOAD ISZERO PUSH2 0x14B3 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56EF JUMP JUMPDEST PUSH1 0x0 SWAP8 POP PUSH2 0x18D0 JUMP JUMPDEST PUSH1 0x2 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x14CA JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x1605 JUMPI DUP9 MLOAD PUSH1 0x41 EQ PUSH2 0x150B JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x54EF JUMP JUMPDEST DUP9 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x151A JUMPI INVALID JUMPDEST ADD PUSH1 0x20 ADD MLOAD PUSH32 0x100000000000000000000000000000000000000000000000000000000000000 SWAP1 DUP2 SWAP1 DIV DUP2 MUL DIV SWAP5 POP PUSH2 0x155A DUP10 PUSH1 0x1 PUSH4 0xFFFFFFFF PUSH2 0x2FED AND JUMP JUMPDEST SWAP4 POP PUSH2 0x156D DUP10 PUSH1 0x21 PUSH4 0xFFFFFFFF PUSH2 0x2FED AND JUMP JUMPDEST SWAP3 POP PUSH1 0x1 DUP12 DUP7 DUP7 DUP7 PUSH1 0x40 MLOAD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x40 MSTORE PUSH1 0x40 MLOAD PUSH2 0x1592 SWAP5 SWAP4 SWAP3 SWAP2 SWAP1 PUSH2 0x5480 JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD PUSH1 0x20 DUP2 SUB SWAP1 DUP1 DUP5 SUB SWAP1 PUSH1 0x0 DUP7 GAS CALL ISZERO DUP1 ISZERO PUSH2 0x15B6 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP PUSH1 0x40 MLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP13 DUP2 AND SWAP1 DUP3 AND EQ SWAP10 POP SWAP3 POP PUSH2 0x18D0 SWAP1 POP JUMP JUMPDEST PUSH1 0x3 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x1613 JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x17B9 JUMPI DUP9 MLOAD PUSH1 0x41 EQ PUSH2 0x1654 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x54EF JUMP JUMPDEST DUP9 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1663 JUMPI INVALID JUMPDEST ADD PUSH1 0x20 ADD MLOAD PUSH32 0x100000000000000000000000000000000000000000000000000000000000000 SWAP1 DUP2 SWAP1 DIV DUP2 MUL DIV SWAP5 POP PUSH2 0x16A3 DUP10 PUSH1 0x1 PUSH4 0xFFFFFFFF PUSH2 0x2FED AND JUMP JUMPDEST SWAP4 POP PUSH2 0x16B6 DUP10 PUSH1 0x21 PUSH4 0xFFFFFFFF PUSH2 0x2FED AND JUMP JUMPDEST SWAP3 POP PUSH1 0x1 DUP12 PUSH1 0x40 MLOAD PUSH1 0x20 ADD DUP1 DUP1 PUSH32 0x19457468657265756D205369676E6564204D6573736167653A0A333200000000 DUP2 MSTORE POP PUSH1 0x1C ADD DUP3 PUSH1 0x0 NOT AND PUSH1 0x0 NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD PUSH1 0x20 DUP2 DUP4 SUB SUB DUP2 MSTORE SWAP1 PUSH1 0x40 MSTORE PUSH1 0x40 MLOAD DUP1 DUP3 DUP1 MLOAD SWAP1 PUSH1 0x20 ADD SWAP1 DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x1757 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x171A JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 DUP1 MLOAD SWAP3 SWAP1 SWAP5 ADD DUP3 SWAP1 SUB DUP3 KECCAK256 PUSH1 0x0 DUP4 MSTORE SWAP2 ADD SWAP3 DUP4 SWAP1 MSTORE PUSH2 0x1592 SWAP5 POP SWAP3 POP DUP10 SWAP2 DUP10 SWAP2 POP DUP9 SWAP1 PUSH2 0x5480 JUMP JUMPDEST PUSH1 0x4 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x17C7 JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x17DF JUMPI PUSH2 0x17D8 DUP12 DUP12 DUP12 PUSH2 0x3038 JUMP JUMPDEST SWAP8 POP PUSH2 0x18D0 JUMP JUMPDEST PUSH1 0x5 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x17ED JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x1850 JUMPI PUSH2 0x17FC DUP10 PUSH2 0x318D JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP13 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x7 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP4 DUP6 AND DUP4 MSTORE SWAP3 SWAP1 MSTORE KECCAK256 SLOAD SWAP1 SWAP2 POP PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x1844 JUMPI PUSH1 0x0 SWAP8 POP PUSH2 0x18D0 JUMP JUMPDEST PUSH2 0x17D8 DUP2 DUP13 DUP13 DUP13 PUSH2 0x3206 JUMP JUMPDEST PUSH1 0x6 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x185E JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x189E JUMPI PUSH1 0x0 DUP12 DUP2 MSTORE PUSH1 0x6 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP15 AND DUP5 MSTORE SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND SWAP8 POP PUSH2 0x18D0 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x554F JUMP JUMPDEST POP POP POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH2 0x18E6 PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH2 0x18F6 PUSH2 0x4298 JUMP JUMPDEST DUP10 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1905 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x140 ADD MLOAD SWAP6 POP DUP10 MLOAD SWAP5 POP PUSH1 0x0 SWAP4 POP JUMPDEST DUP4 DUP6 EQ PUSH2 0x19E4 JUMPI DUP6 DUP11 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1935 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x140 ADD MSTORE DUP7 MLOAD PUSH2 0x1951 SWAP1 DUP11 SWAP1 PUSH2 0x2EE2 JUMP JUMPDEST SWAP3 POP PUSH2 0x1994 DUP11 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1964 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0xA0 ADD MLOAD DUP12 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1980 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0x80 ADD MLOAD DUP6 PUSH2 0x3362 JUMP JUMPDEST SWAP2 POP PUSH2 0x19C0 DUP11 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x19A7 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP4 DUP11 DUP8 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xE8E JUMPI INVALID JUMPDEST SWAP1 POP PUSH2 0x19CC DUP8 DUP3 PUSH2 0x2532 JUMP JUMPDEST DUP7 MLOAD DUP10 GT PUSH2 0x19D9 JUMPI PUSH2 0x19E4 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP4 ADD SWAP3 PUSH2 0x191F JUMP JUMPDEST POP POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH2 0x19F9 PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x1A36 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567F JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE PUSH2 0xF9C DUP5 DUP5 DUP5 PUSH2 0x2494 JUMP JUMPDEST PUSH1 0x9 SLOAD PUSH1 0x0 SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND ISZERO PUSH2 0x1ABF JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567F JUMP JUMPDEST PUSH2 0x1B02 PUSH2 0x1AFD DUP9 DUP9 DUP9 DUP9 DUP1 DUP1 PUSH1 0x1F ADD PUSH1 0x20 DUP1 SWAP2 DIV MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP4 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP4 DUP4 DUP1 DUP3 DUP5 CALLDATACOPY POP PUSH2 0x33B8 SWAP5 POP POP POP POP POP JUMP JUMPDEST PUSH2 0x35F9 JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x8 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD SWAP1 SWAP2 POP PUSH1 0xFF AND ISZERO PUSH2 0x1B4E JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x559F JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 AND CALLER EQ PUSH2 0x1C1F JUMPI PUSH2 0x1BA6 DUP2 DUP8 DUP6 DUP6 DUP1 DUP1 PUSH1 0x1F ADD PUSH1 0x20 DUP1 SWAP2 DIV MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP4 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP4 DUP4 DUP1 DUP3 DUP5 CALLDATACOPY POP PUSH2 0x135B SWAP5 POP POP POP POP POP JUMP JUMPDEST ISZERO ISZERO PUSH2 0x1BDE JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56DF JUMP JUMPDEST PUSH1 0x9 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP9 AND OR SWAP1 SSTORE JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x8 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE MLOAD ADDRESS SWAP1 DUP7 SWAP1 DUP7 SWAP1 DUP1 DUP4 DUP4 DUP1 DUP3 DUP5 CALLDATACOPY DUP3 ADD SWAP2 POP POP SWAP3 POP POP POP PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 DUP6 GAS DELEGATECALL SWAP2 POP POP ISZERO ISZERO PUSH2 0x1CB6 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x55CF JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 AND CALLER EQ PUSH2 0x1CFC JUMPI PUSH1 0x9 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND SWAP1 SSTORE JUMPDEST POP POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x2 SLOAD PUSH1 0x0 SWAP1 DUP2 SWAP1 DUP2 SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x1D5D JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x568F JUMP JUMPDEST DUP4 SWAP3 POP DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH4 0xAE25532E PUSH1 0x40 MLOAD DUP2 PUSH4 0xFFFFFFFF AND PUSH29 0x100000000000000000000000000000000000000000000000000000000 MUL DUP2 MSTORE PUSH1 0x4 ADD PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x1DC4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x1DD8 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x1DFC SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x491E JUMP JUMPDEST PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0xA PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD SWAP1 SWAP3 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 POP DUP1 ISZERO PUSH2 0x1E81 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x552F JUMP JUMPDEST PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0xA PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 AND OR SWAP1 SSTORE MLOAD PUSH32 0xD2C6B762299C609BDB96520B58A49BFB80186934D4F71A86A367571A15C03194 SWAP1 PUSH2 0x1F22 SWAP1 DUP5 SWAP1 DUP8 SWAP1 PUSH2 0x54B5 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG1 POP POP POP POP JUMP JUMPDEST PUSH2 0x1F38 PUSH2 0x42F0 JUMP JUMPDEST PUSH2 0x1F41 DUP3 PUSH2 0x3639 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP4 ADD DUP3 SWAP1 MSTORE PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x3 SWAP1 MSTORE PUSH1 0x40 SWAP1 DUP2 SWAP1 KECCAK256 SLOAD SWAP1 DUP3 ADD MSTORE PUSH1 0x80 DUP3 ADD MLOAD ISZERO ISZERO PUSH2 0x1F75 JUMPI PUSH1 0x1 JUMPDEST PUSH1 0xFF AND DUP2 MSTORE PUSH2 0xF07 JUMP JUMPDEST PUSH1 0xA0 DUP3 ADD MLOAD ISZERO ISZERO PUSH2 0x1F87 JUMPI PUSH1 0x2 PUSH2 0x1F6B JUMP JUMPDEST PUSH1 0xA0 DUP3 ADD MLOAD PUSH1 0x40 DUP3 ADD MLOAD LT PUSH2 0x1F9D JUMPI PUSH1 0x5 PUSH2 0x1F6B JUMP JUMPDEST PUSH2 0x100 DUP3 ADD MLOAD TIMESTAMP LT PUSH2 0x1FB0 JUMPI PUSH1 0x4 PUSH2 0x1F6B JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 ADD MLOAD PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x4 SWAP1 SWAP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x1FD4 JUMPI PUSH1 0x6 PUSH2 0x1F6B JUMP JUMPDEST PUSH2 0x120 DUP3 ADD MLOAD DUP3 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x5 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH1 0x60 DUP9 ADD MLOAD SWAP1 SWAP5 AND DUP4 MSTORE SWAP3 SWAP1 MSTORE KECCAK256 SLOAD GT ISZERO PUSH2 0x2021 JUMPI PUSH1 0x6 PUSH2 0x1F6B JUMP JUMPDEST PUSH1 0x3 DUP2 MSTORE SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x2067 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567F JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE PUSH2 0x209B DUP2 PUSH2 0x2E64 JUMP JUMPDEST POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE JUMP JUMPDEST PUSH1 0x5 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x0 SWAP3 DUP4 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 SWAP1 SWAP2 MSTORE SWAP1 DUP3 MSTORE SWAP1 KECCAK256 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 PUSH1 0x24 DUP2 MSTORE PUSH1 0x20 ADD PUSH32 0xF47261B0000000000000000000000000E41D2489571D322189246DAFA5EBDE1F DUP2 MSTORE PUSH1 0x20 ADD PUSH32 0x4699F49800000000000000000000000000000000000000000000000000000000 DUP2 MSTORE POP DUP2 JUMP JUMPDEST PUSH2 0x214B PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x0 DUP1 PUSH1 0x0 PUSH2 0x215A PUSH2 0x4298 JUMP JUMPDEST DUP9 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x2169 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x160 ADD MLOAD SWAP5 POP DUP9 MLOAD SWAP4 POP PUSH1 0x0 SWAP3 POP JUMPDEST DUP3 DUP5 EQ PUSH2 0x220C JUMPI DUP5 DUP10 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x2199 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x160 ADD DUP2 SWAP1 MSTORE POP PUSH2 0x21B9 DUP9 DUP8 PUSH1 0x20 ADD MLOAD PUSH2 0x2EE2 JUMP JUMPDEST SWAP2 POP PUSH2 0x21E5 DUP10 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x21CC JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP4 DUP10 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xE8E JUMPI INVALID JUMPDEST SWAP1 POP PUSH2 0x21F1 DUP7 DUP3 PUSH2 0x2532 JUMP JUMPDEST PUSH1 0x20 DUP7 ADD MLOAD DUP9 GT PUSH2 0x2201 JUMPI PUSH2 0x220C JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP3 ADD SWAP2 PUSH2 0x2183 JUMP JUMPDEST POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x1 SLOAD DUP2 JUMP JUMPDEST PUSH2 0x2226 PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH2 0x2236 PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x2273 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567F JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR DUP2 SSTORE DUP11 MLOAD DUP12 SWAP2 SWAP1 DUP2 LT PUSH2 0x22AB JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x140 ADD MLOAD SWAP6 POP DUP10 MLOAD SWAP5 POP PUSH1 0x0 SWAP4 POP JUMPDEST DUP4 DUP6 EQ PUSH2 0x235A JUMPI DUP6 DUP11 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x22DB JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x140 ADD MSTORE DUP7 MLOAD PUSH2 0x22F7 SWAP1 DUP11 SWAP1 PUSH2 0x2EE2 JUMP JUMPDEST SWAP3 POP PUSH2 0x230A DUP11 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1964 JUMPI INVALID JUMPDEST SWAP2 POP PUSH2 0x2336 DUP11 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x231D JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP4 DUP11 DUP8 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x749 JUMPI INVALID JUMPDEST SWAP1 POP PUSH2 0x2342 DUP8 DUP3 PUSH2 0x2532 JUMP JUMPDEST DUP7 MLOAD DUP10 GT PUSH2 0x234F JUMPI PUSH2 0x235A JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP4 ADD SWAP3 PUSH2 0x22C5 JUMP JUMPDEST POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP SWAP3 SWAP7 SWAP6 POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x9 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x2 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x23FD JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x568F JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0x245A JUMPI PUSH1 0x2 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND OR SWAP1 SSTORE JUMPDEST POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD DUP1 DUP3 ADD SWAP1 SWAP2 MSTORE PUSH1 0x5 DUP2 MSTORE PUSH32 0x322E302E30000000000000000000000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE DUP2 JUMP JUMPDEST PUSH2 0x249C PUSH2 0x4298 JUMP JUMPDEST PUSH2 0x24A4 PUSH2 0x42F0 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH2 0x24B2 DUP9 PUSH2 0x1F30 JUMP JUMPDEST SWAP4 POP PUSH2 0x24BC PUSH2 0x2594 JUMP JUMPDEST SWAP3 POP PUSH2 0x24CA DUP9 DUP6 DUP6 DUP10 PUSH2 0x25C6 JUMP JUMPDEST PUSH2 0x24DC DUP9 PUSH1 0xA0 ADD MLOAD DUP6 PUSH1 0x40 ADD MLOAD PUSH2 0x2EE2 JUMP JUMPDEST SWAP2 POP PUSH2 0x24E8 DUP8 DUP4 PUSH2 0x3647 JUMP JUMPDEST SWAP1 POP PUSH2 0x24FB DUP9 DUP6 DUP10 DUP5 DUP10 PUSH1 0x0 ADD MLOAD PUSH2 0x2945 JUMP JUMPDEST PUSH2 0x2505 DUP9 DUP3 PUSH2 0x365D JUMP JUMPDEST SWAP5 POP PUSH2 0x251C DUP9 DUP5 DUP7 PUSH1 0x20 ADD MLOAD DUP8 PUSH1 0x40 ADD MLOAD DUP10 PUSH2 0x2A5E JUMP JUMPDEST PUSH2 0x2527 DUP9 DUP5 DUP8 PUSH2 0x36BE JUMP JUMPDEST POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST DUP2 MLOAD DUP2 MLOAD PUSH2 0x2540 SWAP2 SWAP1 PUSH2 0x3776 JUMP JUMPDEST DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 ADD MLOAD SWAP1 DUP3 ADD MLOAD PUSH2 0x2556 SWAP2 SWAP1 PUSH2 0x3776 JUMP JUMPDEST PUSH1 0x20 DUP4 ADD MSTORE PUSH1 0x40 DUP1 DUP4 ADD MLOAD SWAP1 DUP3 ADD MLOAD PUSH2 0x256F SWAP2 SWAP1 PUSH2 0x3776 JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MSTORE PUSH1 0x60 DUP1 DUP4 ADD MLOAD SWAP1 DUP3 ADD MLOAD PUSH2 0x2588 SWAP2 SWAP1 PUSH2 0x3776 JUMP JUMPDEST PUSH1 0x60 SWAP1 SWAP3 ADD SWAP2 SWAP1 SWAP2 MSTORE POP JUMP JUMPDEST PUSH1 0x9 SLOAD PUSH1 0x0 SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 DUP2 ISZERO PUSH2 0x25BD JUMPI DUP2 PUSH2 0x25BF JUMP JUMPDEST CALLER JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST DUP3 MLOAD PUSH1 0xFF AND PUSH1 0x3 EQ PUSH2 0x2604 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56AF JUMP JUMPDEST PUSH1 0x60 DUP5 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND ISZERO PUSH2 0x2677 JUMPI PUSH1 0x60 DUP5 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x2677 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56BF JUMP JUMPDEST PUSH1 0x20 DUP5 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND ISZERO PUSH2 0x2702 JUMPI DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP5 PUSH1 0x20 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO ISZERO PUSH2 0x2702 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x54FF JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MLOAD ISZERO ISZERO PUSH2 0x2758 JUMPI PUSH2 0x2720 DUP4 PUSH1 0x20 ADD MLOAD DUP6 PUSH1 0x0 ADD MLOAD DUP4 PUSH2 0x135B JUMP JUMPDEST ISZERO ISZERO PUSH2 0x2758 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x556F JUMP JUMPDEST POP POP POP POP JUMP JUMPDEST PUSH2 0x2770 DUP3 PUSH1 0xA0 ADD MLOAD DUP3 PUSH1 0xA0 ADD MLOAD PUSH2 0x37C0 JUMP JUMPDEST PUSH2 0x2782 DUP4 PUSH1 0x80 ADD MLOAD DUP4 PUSH1 0x80 ADD MLOAD PUSH2 0x37C0 JUMP JUMPDEST LT ISZERO PUSH2 0x27BA JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56CF JUMP JUMPDEST POP POP JUMP JUMPDEST PUSH2 0x27C6 PUSH2 0x42C1 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH2 0x27DA DUP10 PUSH1 0xA0 ADD MLOAD DUP9 PUSH2 0x2EE2 JUMP JUMPDEST SWAP4 POP PUSH2 0x27EF DUP10 PUSH1 0x80 ADD MLOAD DUP11 PUSH1 0xA0 ADD MLOAD DUP7 PUSH2 0x381B JUMP JUMPDEST SWAP3 POP PUSH2 0x27FF DUP9 PUSH1 0xA0 ADD MLOAD DUP8 PUSH2 0x2EE2 JUMP JUMPDEST SWAP2 POP PUSH2 0x2814 DUP9 PUSH1 0x80 ADD MLOAD DUP10 PUSH1 0xA0 ADD MLOAD DUP5 PUSH2 0x381B JUMP JUMPDEST SWAP1 POP DUP1 DUP5 LT PUSH2 0x2857 JUMPI PUSH1 0x20 DUP1 DUP7 ADD DUP1 MLOAD DUP4 SWAP1 MSTORE DUP1 MLOAD DUP3 ADD DUP5 SWAP1 MSTORE MLOAD MLOAD DUP7 MLOAD DUP3 ADD MSTORE PUSH1 0x80 DUP11 ADD MLOAD PUSH1 0xA0 DUP12 ADD MLOAD DUP8 MLOAD SWAP1 SWAP3 ADD MLOAD PUSH2 0x284F SWAP3 SWAP1 PUSH2 0x381B JUMP JUMPDEST DUP6 MLOAD MSTORE PUSH2 0x2894 JUMP JUMPDEST DUP5 MLOAD DUP4 SWAP1 MSTORE DUP5 MLOAD PUSH1 0x20 SWAP1 DUP2 ADD DUP6 SWAP1 MSTORE DUP6 MLOAD DUP2 ADD MLOAD SWAP1 DUP7 ADD DUP1 MLOAD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0xA0 DUP10 ADD MLOAD PUSH1 0x80 DUP11 ADD MLOAD SWAP2 MLOAD MLOAD PUSH2 0x288B SWAP3 SWAP1 PUSH2 0x3898 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP8 ADD MLOAD ADD MSTORE JUMPDEST DUP5 MLOAD MLOAD PUSH1 0x20 DUP1 DUP8 ADD MLOAD ADD MLOAD PUSH2 0x28A9 SWAP2 SWAP1 PUSH2 0x2EE2 JUMP JUMPDEST PUSH1 0x40 DUP7 ADD MSTORE DUP5 MLOAD MLOAD PUSH1 0x80 DUP11 ADD MLOAD PUSH1 0xC0 DUP12 ADD MLOAD PUSH2 0x28C6 SWAP3 SWAP2 SWAP1 PUSH2 0x381B JUMP JUMPDEST DUP6 MLOAD PUSH1 0x40 ADD MSTORE DUP5 MLOAD PUSH1 0x20 ADD MLOAD PUSH1 0xA0 DUP11 ADD MLOAD PUSH1 0xE0 DUP12 ADD MLOAD PUSH2 0x28E7 SWAP3 SWAP2 SWAP1 PUSH2 0x381B JUMP JUMPDEST DUP6 MLOAD PUSH1 0x60 ADD MSTORE PUSH1 0x20 DUP6 ADD MLOAD MLOAD PUSH1 0x80 DUP10 ADD MLOAD PUSH1 0xC0 DUP11 ADD MLOAD PUSH2 0x2908 SWAP3 SWAP2 SWAP1 PUSH2 0x381B JUMP JUMPDEST DUP6 PUSH1 0x20 ADD MLOAD PUSH1 0x40 ADD DUP2 DUP2 MSTORE POP POP PUSH2 0x2930 DUP6 PUSH1 0x20 ADD MLOAD PUSH1 0x20 ADD MLOAD DUP10 PUSH1 0xA0 ADD MLOAD DUP11 PUSH1 0xE0 ADD MLOAD PUSH2 0x381B JUMP JUMPDEST PUSH1 0x20 DUP7 ADD MLOAD PUSH1 0x60 ADD MSTORE POP POP POP POP SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST DUP3 ISZERO ISZERO PUSH2 0x297E JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x55EF JUMP JUMPDEST DUP3 DUP3 GT ISZERO PUSH2 0x29B8 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x55DF JUMP JUMPDEST DUP5 PUSH1 0xA0 ADD MLOAD PUSH2 0x29CB DUP6 PUSH1 0x40 ADD MLOAD DUP5 PUSH2 0x3776 JUMP JUMPDEST GT ISZERO PUSH2 0x2A03 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x550F JUMP JUMPDEST PUSH2 0x2A11 DUP6 PUSH1 0x80 ADD MLOAD DUP4 PUSH2 0x37C0 JUMP JUMPDEST PUSH2 0x2A1F DUP3 DUP8 PUSH1 0xA0 ADD MLOAD PUSH2 0x37C0 JUMP JUMPDEST GT ISZERO PUSH2 0x2A57 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x566F JUMP JUMPDEST POP POP POP POP POP JUMP JUMPDEST PUSH2 0x2A6C DUP3 DUP3 PUSH1 0x20 ADD MLOAD PUSH2 0x3776 JUMP JUMPDEST PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP2 DUP3 SWAP1 KECCAK256 SWAP3 SWAP1 SWAP3 SSTORE DUP7 DUP2 ADD MLOAD DUP8 MLOAD DUP5 MLOAD SWAP4 DUP6 ADD MLOAD DUP6 DUP5 ADD MLOAD PUSH1 0x60 DUP8 ADD MLOAD PUSH2 0x140 DUP13 ADD MLOAD PUSH2 0x160 DUP14 ADD MLOAD SWAP7 MLOAD DUP12 SWAP9 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP8 DUP9 AND SWAP9 SWAP8 SWAP1 SWAP7 AND SWAP7 PUSH32 0xBCC4C97732E47D9946F229EDB95F5B6323F601300E4690DE719993F3C371129 SWAP7 PUSH2 0x2AFB SWAP7 DUP16 SWAP7 CALLER SWAP7 SWAP3 SWAP6 SWAP2 SWAP5 SWAP1 SWAP4 SWAP1 PUSH2 0x5345 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG4 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 PUSH1 0x24 DUP2 MSTORE PUSH1 0x20 ADD PUSH32 0xF47261B0000000000000000000000000E41D2489571D322189246DAFA5EBDE1F DUP2 MSTORE PUSH1 0x20 ADD PUSH32 0x4699F49800000000000000000000000000000000000000000000000000000000 DUP2 MSTORE POP SWAP1 POP PUSH2 0x2B8B DUP6 PUSH2 0x140 ADD MLOAD DUP7 PUSH1 0x0 ADD MLOAD DUP7 PUSH1 0x0 ADD MLOAD DUP6 PUSH1 0x20 ADD MLOAD PUSH1 0x20 ADD MLOAD PUSH2 0x3935 JUMP JUMPDEST PUSH2 0x140 DUP5 ADD MLOAD DUP5 MLOAD DUP7 MLOAD DUP5 MLOAD PUSH1 0x20 ADD MLOAD PUSH2 0x2BA7 SWAP4 SWAP3 SWAP2 SWAP1 PUSH2 0x3935 JUMP JUMPDEST PUSH2 0x2BC0 DUP6 PUSH2 0x140 ADD MLOAD DUP7 PUSH1 0x0 ADD MLOAD DUP6 DUP6 PUSH1 0x40 ADD MLOAD PUSH2 0x3935 JUMP JUMPDEST PUSH2 0x2BDC DUP2 DUP7 PUSH1 0x0 ADD MLOAD DUP8 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x0 ADD MLOAD PUSH1 0x40 ADD MLOAD PUSH2 0x3935 JUMP JUMPDEST PUSH2 0x2BF8 DUP2 DUP6 PUSH1 0x0 ADD MLOAD DUP7 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x20 ADD MLOAD PUSH1 0x40 ADD MLOAD PUSH2 0x3935 JUMP JUMPDEST DUP4 PUSH1 0x40 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP6 PUSH1 0x40 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO PUSH2 0x2C62 JUMPI PUSH2 0x2C5D DUP2 DUP5 DUP8 PUSH1 0x40 ADD MLOAD PUSH2 0x2C58 DUP7 PUSH1 0x0 ADD MLOAD PUSH1 0x60 ADD MLOAD DUP8 PUSH1 0x20 ADD MLOAD PUSH1 0x60 ADD MLOAD PUSH2 0x3776 JUMP JUMPDEST PUSH2 0x3935 JUMP JUMPDEST PUSH2 0x2A57 JUMP JUMPDEST PUSH2 0x2C7A DUP2 DUP5 DUP8 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x0 ADD MLOAD PUSH1 0x60 ADD MLOAD PUSH2 0x3935 JUMP JUMPDEST PUSH2 0x2A57 DUP2 DUP5 DUP7 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x20 ADD MLOAD PUSH1 0x60 ADD MLOAD PUSH2 0x3935 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0xB4BE83D500000000000000000000000000000000000000000000000000000000 PUSH1 0x20 DUP1 DUP4 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0x60 PUSH1 0x24 DUP4 ADD DUP2 DUP2 MSTORE DUP8 MLOAD PUSH1 0x84 DUP6 ADD SWAP1 DUP2 MSTORE DUP9 DUP5 ADD MLOAD PUSH1 0xA4 DUP7 ADD MSTORE SWAP5 DUP9 ADD MLOAD PUSH1 0xC4 DUP6 ADD MSTORE SWAP1 DUP8 ADD MLOAD PUSH1 0xE4 DUP5 ADD MSTORE PUSH1 0x80 DUP8 ADD MLOAD PUSH2 0x104 DUP5 ADD MSTORE PUSH1 0xA0 DUP8 ADD MLOAD PUSH2 0x124 DUP5 ADD MSTORE PUSH1 0xC0 DUP8 ADD MLOAD PUSH2 0x144 DUP5 ADD MSTORE PUSH1 0xE0 DUP8 ADD MLOAD PUSH2 0x164 DUP5 ADD MSTORE PUSH2 0x100 DUP8 ADD MLOAD PUSH2 0x184 DUP5 ADD MSTORE PUSH2 0x120 DUP8 ADD MLOAD PUSH2 0x1A4 DUP5 ADD MSTORE PUSH2 0x140 DUP8 ADD DUP1 MLOAD PUSH2 0x1C4 DUP6 ADD SWAP1 DUP2 MSTORE PUSH2 0x160 DUP10 ADD MLOAD PUSH2 0x1E4 DUP7 ADD MSTORE PUSH2 0x180 SWAP1 MSTORE MLOAD DUP1 MLOAD PUSH2 0x204 DUP6 ADD DUP2 SWAP1 MSTORE SWAP4 SWAP5 SWAP2 SWAP4 DUP5 SWAP4 PUSH1 0x44 DUP8 ADD SWAP3 DUP5 SWAP3 PUSH2 0x224 DUP10 ADD SWAP3 SWAP2 DUP3 ADD SWAP2 PUSH1 0x1F DUP3 ADD DIV PUSH1 0x0 JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x2D99 JUMPI DUP4 MLOAD DUP6 MSTORE PUSH1 0x20 SWAP5 DUP6 ADD SWAP5 SWAP1 SWAP4 ADD SWAP3 PUSH1 0x1 ADD PUSH2 0x2D7B JUMP JUMPDEST POP POP POP POP DUP2 DUP2 SUB PUSH2 0x160 DUP1 DUP5 ADD SWAP2 SWAP1 SWAP2 MSTORE DUP11 ADD MLOAD DUP1 MLOAD DUP1 DUP4 MSTORE PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 DUP3 ADD SWAP2 PUSH1 0x1F DUP3 ADD DIV PUSH1 0x0 JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x2DE2 JUMPI DUP4 MLOAD DUP6 MSTORE PUSH1 0x20 SWAP5 DUP6 ADD SWAP5 SWAP1 SWAP4 ADD SWAP3 PUSH1 0x1 ADD PUSH2 0x2DC4 JUMP JUMPDEST POP POP POP DUP10 DUP5 MSTORE POP DUP5 DUP2 SUB PUSH1 0x20 SWAP4 DUP5 ADD SWAP1 DUP2 MSTORE DUP9 MLOAD DUP1 DUP4 MSTORE SWAP1 SWAP4 SWAP2 DUP3 ADD SWAP2 DUP10 DUP2 ADD SWAP2 SWAP1 PUSH1 0x1F DUP3 ADD DIV PUSH1 0x0 JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x2E2A JUMPI DUP4 MLOAD DUP6 MSTORE PUSH1 0x20 SWAP5 DUP6 ADD SWAP5 SWAP1 SWAP4 ADD SWAP3 PUSH1 0x1 ADD PUSH2 0x2E0C JUMP JUMPDEST POP POP POP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 DUP9 DUP4 SUB ADD DUP9 MSTORE POP PUSH1 0x40 MSTORE POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH2 0x2E6C PUSH2 0x42F0 JUMP JUMPDEST PUSH2 0x2E75 DUP3 PUSH2 0x1F30 JUMP JUMPDEST SWAP1 POP PUSH2 0x2E81 DUP3 DUP3 PUSH2 0x3AFF JUMP JUMPDEST PUSH2 0x27BA DUP3 DUP3 PUSH1 0x20 ADD MLOAD PUSH2 0x3C16 JUMP JUMPDEST PUSH2 0x2E97 PUSH2 0x4298 JUMP JUMPDEST PUSH2 0x2EA2 DUP5 DUP5 DUP5 PUSH2 0x2494 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD MLOAD SWAP1 SWAP2 POP DUP4 EQ PUSH2 0x25BF JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x565F JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 GT ISZERO PUSH2 0x2F1E JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x551F JUMP JUMPDEST POP DUP1 DUP3 SUB JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP3 MLOAD GT ISZERO ISZERO PUSH2 0x2F67 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x560F JUMP JUMPDEST DUP2 MLOAD DUP3 SWAP1 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 ADD SWAP1 DUP2 LT PUSH2 0x2F97 JUMPI INVALID JUMPDEST ADD PUSH1 0x20 ADD MLOAD DUP3 MLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP3 MSTORE POP PUSH32 0x100000000000000000000000000000000000000000000000000000000000000 SWAP1 DUP2 SWAP1 DIV MUL SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x20 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x302F JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x553F JUMP JUMPDEST POP ADD PUSH1 0x20 ADD MLOAD SWAP1 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH1 0x0 SWAP1 PUSH1 0x60 SWAP1 PUSH32 0x1626BA7E00000000000000000000000000000000000000000000000000000000 SWAP1 PUSH2 0x3073 SWAP1 DUP8 SWAP1 DUP7 SWAP1 PUSH1 0x24 ADD PUSH2 0x5460 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 DUP2 DUP5 SUB ADD DUP2 MSTORE SWAP2 SWAP1 MSTORE PUSH1 0x20 DUP1 DUP3 ADD DUP1 MLOAD PUSH28 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 OR DUP4 MSTORE DUP2 MLOAD SWAP2 SWAP4 POP SWAP1 DUP3 SWAP1 DUP2 DUP9 GAS STATICCALL DUP1 DUP1 ISZERO PUSH2 0x3110 JUMPI PUSH1 0x1 DUP2 EQ PUSH2 0x3181 JUMPI PUSH2 0x2527 JUMP JUMPDEST PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 PUSH1 0x0 MSTORE PUSH29 0x2000000000000000000000000000000000000000000000000000000000 PUSH1 0x20 MSTORE PUSH29 0xC57414C4C45545F4552524F5200000000000000000000000000000000 PUSH1 0x40 MSTORE PUSH1 0x0 PUSH1 0x60 MSTORE PUSH1 0x64 PUSH1 0x0 REVERT JUMPDEST POP POP MLOAD SWAP6 SWAP5 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x14 DUP3 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x31CD JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x569F JUMP JUMPDEST PUSH2 0x31DB DUP3 PUSH1 0x14 DUP5 MLOAD SUB PUSH2 0x3CBD JUMP JUMPDEST DUP3 MLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEC ADD SWAP1 SWAP3 MSTORE POP SWAP1 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH1 0x0 SWAP1 PUSH1 0x60 SWAP1 PUSH32 0x9363470200000000000000000000000000000000000000000000000000000000 SWAP1 PUSH2 0x3243 SWAP1 DUP8 SWAP1 DUP8 SWAP1 DUP8 SWAP1 PUSH1 0x24 ADD PUSH2 0x5433 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 DUP2 DUP5 SUB ADD DUP2 MSTORE SWAP2 SWAP1 MSTORE PUSH1 0x20 DUP1 DUP3 ADD DUP1 MLOAD PUSH28 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 OR DUP4 MSTORE DUP2 MLOAD SWAP2 SWAP4 POP SWAP1 DUP3 SWAP1 DUP2 DUP11 GAS STATICCALL DUP1 DUP1 ISZERO PUSH2 0x32E0 JUMPI PUSH1 0x1 DUP2 EQ PUSH2 0x3351 JUMPI PUSH2 0x3356 JUMP JUMPDEST PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 PUSH1 0x0 MSTORE PUSH29 0x2000000000000000000000000000000000000000000000000000000000 PUSH1 0x20 MSTORE PUSH29 0xF56414C494441544F525F4552524F5200000000000000000000000000 PUSH1 0x40 MSTORE PUSH1 0x0 PUSH1 0x60 MSTORE PUSH1 0x64 PUSH1 0x0 REVERT JUMPDEST DUP3 MLOAD SWAP5 POP JUMPDEST POP POP POP POP SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP4 GT PUSH2 0x339D JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x555F JUMP JUMPDEST PUSH2 0x33B0 PUSH2 0x33AA DUP6 DUP5 PUSH2 0x37C0 JUMP JUMPDEST DUP5 PUSH2 0x3D1E JUMP JUMPDEST SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x5A65726F45785472616E73616374696F6E280000000000000000000000000000 PUSH1 0x20 DUP1 DUP4 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH32 0x75696E743235362073616C742C00000000000000000000000000000000000000 PUSH1 0x32 DUP4 ADD MSTORE PUSH32 0x61646472657373207369676E6572416464726573732C00000000000000000000 PUSH1 0x3F DUP4 ADD MSTORE PUSH32 0x6279746573206461746100000000000000000000000000000000000000000000 PUSH1 0x55 DUP4 ADD MSTORE PUSH32 0x2900000000000000000000000000000000000000000000000000000000000000 PUSH1 0x5F DUP4 ADD MSTORE DUP3 MLOAD DUP1 DUP4 SUB DUP5 ADD DUP2 MSTORE PUSH1 0x60 SWAP1 SWAP3 ADD SWAP3 DUP4 SWAP1 MSTORE DUP2 MLOAD PUSH1 0x0 SWAP4 DUP5 SWAP4 DUP5 SWAP4 SWAP1 SWAP3 DUP3 SWAP2 DUP5 ADD SWAP1 DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x34E1 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x34A4 JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 MLOAD SWAP2 SWAP1 SWAP4 ADD DUP2 SWAP1 SUB DUP2 KECCAK256 DUP10 MLOAD SWAP1 SWAP8 POP DUP10 SWAP6 POP SWAP1 SWAP4 POP DUP4 SWAP3 DUP6 ADD SWAP2 POP DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x3577 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x353A JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 DUP1 MLOAD SWAP3 SWAP1 SWAP5 ADD DUP3 SWAP1 SUB DUP3 KECCAK256 SWAP8 DUP3 MSTORE DUP2 ADD SWAP11 SWAP1 SWAP11 MSTORE POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP8 SWAP1 SWAP8 AND SWAP7 DUP9 ADD SWAP7 SWAP1 SWAP7 MSTORE POP POP PUSH1 0x60 DUP6 ADD MSTORE POP POP PUSH1 0x80 SWAP1 SWAP2 KECCAK256 SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x1 SLOAD PUSH1 0x40 MLOAD PUSH32 0x1901000000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x2 DUP2 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0x22 DUP2 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0x42 SWAP1 KECCAK256 SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x2F23 PUSH2 0x1AFD DUP4 PUSH2 0x3D35 JUMP JUMPDEST PUSH1 0x0 DUP2 DUP4 LT PUSH2 0x3656 JUMPI DUP2 PUSH2 0x25BF JUMP JUMPDEST POP SWAP1 SWAP2 SWAP1 POP JUMP JUMPDEST PUSH2 0x3665 PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD DUP3 SWAP1 MSTORE PUSH1 0xA0 DUP4 ADD MLOAD PUSH1 0x80 DUP5 ADD MLOAD PUSH2 0x3681 SWAP2 DUP5 SWAP2 PUSH2 0x381B JUMP JUMPDEST DUP1 DUP3 MSTORE PUSH1 0x80 DUP5 ADD MLOAD PUSH1 0xC0 DUP6 ADD MLOAD PUSH2 0x3699 SWAP3 SWAP2 SWAP1 PUSH2 0x381B JUMP JUMPDEST PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0xA0 DUP4 ADD MLOAD PUSH1 0xE0 DUP5 ADD MLOAD PUSH2 0x36B3 SWAP2 DUP5 SWAP2 PUSH2 0x381B JUMP JUMPDEST PUSH1 0x60 DUP3 ADD MSTORE SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x60 DUP2 ADD DUP3 MSTORE PUSH1 0x24 DUP2 MSTORE PUSH32 0xF47261B0000000000000000000000000E41D2489571D322189246DAFA5EBDE1F PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x4699F49800000000000000000000000000000000000000000000000000000000 SWAP2 DUP2 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH2 0x140 DUP5 ADD MLOAD DUP5 MLOAD DUP4 MLOAD PUSH2 0x3731 SWAP3 SWAP2 SWAP1 DUP7 SWAP1 PUSH2 0x3935 JUMP JUMPDEST PUSH2 0x374A DUP5 PUSH2 0x160 ADD MLOAD DUP5 DUP7 PUSH1 0x0 ADD MLOAD DUP6 PUSH1 0x20 ADD MLOAD PUSH2 0x3935 JUMP JUMPDEST PUSH2 0x3762 DUP2 DUP6 PUSH1 0x0 ADD MLOAD DUP7 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x40 ADD MLOAD PUSH2 0x3935 JUMP JUMPDEST PUSH2 0x2758 DUP2 DUP5 DUP7 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x60 ADD MLOAD PUSH2 0x3935 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 ADD DUP4 DUP2 LT ISZERO PUSH2 0x37B5 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x558F JUMP JUMPDEST DUP1 SWAP2 POP JUMPDEST POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP4 ISZERO ISZERO PUSH2 0x37D3 JUMPI PUSH1 0x0 SWAP2 POP PUSH2 0x37B9 JUMP JUMPDEST POP DUP3 DUP3 MUL DUP3 DUP5 DUP3 DUP2 ISZERO ISZERO PUSH2 0x37E3 JUMPI INVALID JUMPDEST DIV EQ PUSH2 0x37B5 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x558F JUMP JUMPDEST PUSH1 0x0 DUP1 DUP4 GT PUSH2 0x3856 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x555F JUMP JUMPDEST PUSH2 0x3861 DUP5 DUP5 DUP5 PUSH2 0x418E JUMP JUMPDEST ISZERO PUSH2 0x339D JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x55BF JUMP JUMPDEST PUSH1 0x0 DUP1 DUP4 GT PUSH2 0x38D3 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x555F JUMP JUMPDEST PUSH2 0x38DE DUP5 DUP5 DUP5 PUSH2 0x4213 JUMP JUMPDEST ISZERO PUSH2 0x3915 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x55BF JUMP JUMPDEST PUSH2 0x33B0 PUSH2 0x33AA PUSH2 0x3925 DUP7 DUP6 PUSH2 0x37C0 JUMP JUMPDEST PUSH2 0x3930 DUP7 PUSH1 0x1 PUSH2 0x2EE2 JUMP JUMPDEST PUSH2 0x3776 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP4 GT DUP1 ISZERO PUSH2 0x3974 JUMPI POP DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO JUMPDEST ISZERO PUSH2 0x3AF7 JUMPI DUP6 MLOAD PUSH1 0x3 LT PUSH2 0x39B4 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x564F JUMP JUMPDEST POP POP PUSH1 0x20 DUP5 DUP2 ADD MLOAD PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0xA SWAP1 SWAP3 MSTORE PUSH1 0x40 SWAP1 SWAP2 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP1 ISZERO ISZERO PUSH2 0x3A3D JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x55FF JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH7 0xFFFFFFFFFFFE0 PUSH1 0x3F DUP9 MLOAD ADD AND DUP1 PUSH1 0x84 ADD DUP3 ADD PUSH32 0xA85E59E400000000000000000000000000000000000000000000000000000000 DUP4 MSTORE PUSH1 0x80 PUSH1 0x4 DUP5 ADD MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP9 AND PUSH1 0x24 DUP5 ADD MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND PUSH1 0x44 DUP5 ADD MSTORE DUP6 PUSH1 0x64 DUP5 ADD MSTORE PUSH1 0x84 DUP4 ADD JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x3AD9 JUMPI DUP10 MLOAD DUP2 MSTORE PUSH1 0x20 SWAP10 DUP11 ADD SWAP10 ADD PUSH2 0x3AC1 JUMP JUMPDEST PUSH2 0x200 DUP5 DUP6 DUP5 SUB DUP7 PUSH1 0x0 DUP10 GAS CALL DUP1 ISZERO ISZERO PUSH2 0x3AF1 JUMPI RETURNDATASIZE DUP6 REVERT JUMPDEST POP POP POP POP POP JUMPDEST POP POP POP POP POP POP JUMP JUMPDEST DUP1 MLOAD PUSH1 0x0 SWAP1 PUSH1 0xFF AND PUSH1 0x3 EQ PUSH2 0x3B40 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56AF JUMP JUMPDEST PUSH1 0x60 DUP4 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND ISZERO PUSH2 0x3BB3 JUMPI PUSH1 0x60 DUP4 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x3BB3 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56BF JUMP JUMPDEST PUSH2 0x3BBB PUSH2 0x2594 JUMP JUMPDEST DUP4 MLOAD SWAP1 SWAP2 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP4 AND SWAP2 AND EQ PUSH2 0x3C11 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x557F JUMP JUMPDEST POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE DUP3 DUP2 ADD MLOAD DUP4 MLOAD PUSH2 0x140 DUP6 ADD MLOAD PUSH2 0x160 DUP7 ADD MLOAD SWAP4 MLOAD DUP6 SWAP5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP5 DUP6 AND SWAP5 SWAP4 SWAP1 SWAP4 AND SWAP3 PUSH32 0xDC47B3613D9FE400085F6DBDC99453462279057E6207385042827ED6B1A62CF7 SWAP3 PUSH2 0x3CB1 SWAP3 CALLER SWAP3 SWAP1 PUSH2 0x53C9 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG4 POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x14 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x3CFF JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x569F JUMP JUMPDEST POP ADD PUSH1 0x14 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP1 DUP3 DUP5 DUP2 ISZERO ISZERO PUSH2 0x3D2C JUMPI INVALID JUMPDEST DIV SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x4F72646572280000000000000000000000000000000000000000000000000000 PUSH1 0x20 DUP1 DUP4 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH32 0x61646472657373206D616B6572416464726573732C0000000000000000000000 PUSH1 0x26 DUP4 ADD MSTORE PUSH32 0x616464726573732074616B6572416464726573732C0000000000000000000000 PUSH1 0x3B DUP4 ADD MSTORE PUSH32 0x6164647265737320666565526563697069656E74416464726573732C00000000 PUSH1 0x50 DUP4 ADD MSTORE PUSH32 0x616464726573732073656E646572416464726573732C00000000000000000000 PUSH1 0x6C DUP4 ADD MSTORE PUSH32 0x75696E74323536206D616B65724173736574416D6F756E742C00000000000000 PUSH1 0x82 DUP4 ADD MSTORE PUSH32 0x75696E743235362074616B65724173736574416D6F756E742C00000000000000 PUSH1 0x9B DUP4 ADD MSTORE PUSH32 0x75696E74323536206D616B65724665652C000000000000000000000000000000 PUSH1 0xB4 DUP4 ADD MSTORE PUSH32 0x75696E743235362074616B65724665652C000000000000000000000000000000 PUSH1 0xC5 DUP4 ADD MSTORE PUSH32 0x75696E743235362065787069726174696F6E54696D655365636F6E64732C0000 PUSH1 0xD6 DUP4 ADD MSTORE PUSH32 0x75696E743235362073616C742C00000000000000000000000000000000000000 PUSH1 0xF4 DUP4 ADD MSTORE PUSH32 0x6279746573206D616B65724173736574446174612C0000000000000000000000 PUSH2 0x101 DUP4 ADD MSTORE PUSH32 0x62797465732074616B6572417373657444617461000000000000000000000000 PUSH2 0x116 DUP4 ADD MSTORE PUSH32 0x2900000000000000000000000000000000000000000000000000000000000000 PUSH2 0x12A DUP4 ADD MSTORE DUP3 MLOAD PUSH2 0x10B DUP2 DUP5 SUB ADD DUP2 MSTORE PUSH2 0x12B SWAP1 SWAP3 ADD SWAP3 DUP4 SWAP1 MSTORE DUP2 MLOAD PUSH1 0x0 SWAP4 DUP5 SWAP4 DUP5 SWAP4 DUP5 SWAP4 SWAP2 SWAP3 SWAP2 DUP3 SWAP2 DUP5 ADD SWAP1 DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x3FBD JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x3F80 JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 MLOAD SWAP2 SWAP1 SWAP4 ADD DUP2 SWAP1 SUB DUP2 KECCAK256 PUSH2 0x140 DUP12 ADD MLOAD DUP1 MLOAD SWAP2 SWAP10 POP SWAP6 POP SWAP1 SWAP4 POP DUP4 SWAP3 DUP6 ADD SWAP2 POP DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x4058 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x401B JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 MLOAD SWAP2 SWAP1 SWAP4 ADD DUP2 SWAP1 SUB DUP2 KECCAK256 PUSH2 0x160 DUP12 ADD MLOAD DUP1 MLOAD SWAP2 SWAP9 POP SWAP6 POP SWAP1 SWAP4 POP DUP4 SWAP3 DUP6 ADD SWAP2 POP DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x40F3 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x40B6 JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 SWAP1 SWAP4 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP2 AND SWAP3 AND SWAP2 SWAP1 SWAP2 OR SWAP1 MSTORE PUSH1 0x40 MLOAD SWAP3 ADD DUP3 SWAP1 SUB SWAP1 SWAP2 KECCAK256 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 DUP10 ADD DUP1 MLOAD PUSH2 0x140 DUP12 ADD DUP1 MLOAD PUSH2 0x160 SWAP1 SWAP13 ADD DUP1 MLOAD SWAP11 DUP5 MSTORE SWAP9 DUP2 MSTORE SWAP3 DUP9 MSTORE PUSH2 0x1A0 DUP3 KECCAK256 SWAP2 MSTORE SWAP9 SWAP1 MSTORE POP POP POP SWAP2 SWAP1 MSTORE POP SWAP1 SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 DUP5 GT PUSH2 0x41CA JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x555F JUMP JUMPDEST DUP3 ISZERO DUP1 PUSH2 0x41D5 JUMPI POP DUP5 ISZERO JUMPDEST ISZERO PUSH2 0x41E3 JUMPI PUSH1 0x0 SWAP2 POP PUSH2 0xA88 JUMP JUMPDEST DUP4 DUP1 ISZERO ISZERO PUSH2 0x41ED JUMPI INVALID JUMPDEST DUP6 DUP5 MULMOD SWAP1 POP PUSH2 0x41FC DUP6 DUP5 PUSH2 0x37C0 JUMP JUMPDEST PUSH2 0x4208 PUSH2 0x3E8 DUP4 PUSH2 0x37C0 JUMP JUMPDEST LT ISZERO SWAP6 SWAP5 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 DUP5 GT PUSH2 0x424F JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x555F JUMP JUMPDEST DUP3 ISZERO DUP1 PUSH2 0x425A JUMPI POP DUP5 ISZERO JUMPDEST ISZERO PUSH2 0x4268 JUMPI PUSH1 0x0 SWAP2 POP PUSH2 0xA88 JUMP JUMPDEST DUP4 DUP1 ISZERO ISZERO PUSH2 0x4272 JUMPI INVALID JUMPDEST DUP6 DUP5 MULMOD SWAP1 POP DUP4 PUSH2 0x4282 DUP6 DUP4 PUSH2 0x2EE2 JUMP JUMPDEST DUP2 ISZERO ISZERO PUSH2 0x428B JUMPI INVALID JUMPDEST MOD SWAP1 POP PUSH2 0x41FC DUP6 DUP5 PUSH2 0x37C0 JUMP JUMPDEST PUSH1 0x80 PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE POP SWAP1 JUMP JUMPDEST PUSH2 0x120 PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 PUSH2 0x42D6 PUSH2 0x4298 JUMP JUMPDEST DUP2 MSTORE PUSH1 0x20 ADD PUSH2 0x42E3 PUSH2 0x4298 JUMP JUMPDEST DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE POP SWAP1 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x60 DUP2 ADD DUP3 MSTORE PUSH1 0x0 DUP1 DUP3 MSTORE PUSH1 0x20 DUP3 ADD DUP2 SWAP1 MSTORE SWAP2 DUP2 ADD SWAP2 SWAP1 SWAP2 MSTORE SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x25BF DUP3 CALLDATALOAD PUSH2 0x57C2 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x432D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x4340 PUSH2 0x433B DUP3 PUSH2 0x5751 JUMP JUMPDEST PUSH2 0x572A JUMP JUMPDEST DUP2 DUP2 MSTORE PUSH1 0x20 SWAP4 DUP5 ADD SWAP4 SWAP1 SWAP3 POP DUP3 ADD DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x437E JUMPI DUP2 CALLDATALOAD DUP7 ADD PUSH2 0x4368 DUP9 DUP3 PUSH2 0x44CE JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0x4352 JUMP JUMPDEST POP POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x4399 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x43A7 PUSH2 0x433B DUP3 PUSH2 0x5751 JUMP JUMPDEST DUP2 DUP2 MSTORE PUSH1 0x20 SWAP4 DUP5 ADD SWAP4 SWAP1 SWAP3 POP DUP3 ADD DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x437E JUMPI DUP2 CALLDATALOAD DUP7 ADD PUSH2 0x43CF DUP9 DUP3 PUSH2 0x451D JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0x43B9 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x43F6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x4404 PUSH2 0x433B DUP3 PUSH2 0x5751 JUMP JUMPDEST SWAP2 POP DUP2 DUP2 DUP4 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH1 0x20 DUP2 ADD SWAP1 POP DUP4 DUP6 PUSH1 0x20 DUP5 MUL DUP3 ADD GT ISZERO PUSH2 0x4429 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x437E JUMPI DUP2 PUSH2 0x443F DUP9 DUP3 PUSH2 0x4461 JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0x442C JUMP JUMPDEST PUSH1 0x0 PUSH2 0x25BF DUP3 CALLDATALOAD PUSH2 0x57DB JUMP JUMPDEST PUSH1 0x0 PUSH2 0x25BF DUP3 CALLDATALOAD PUSH2 0x57E0 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x25BF DUP3 CALLDATALOAD PUSH2 0x57E3 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x25BF DUP3 MLOAD PUSH2 0x57E3 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x1F DUP4 ADD DUP5 SGT PUSH2 0x4497 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP DUP2 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x44AF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x20 DUP4 ADD SWAP2 POP DUP4 PUSH1 0x1 DUP3 MUL DUP4 ADD GT ISZERO PUSH2 0x44C7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x44DF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x44ED PUSH2 0x433B DUP3 PUSH2 0x5772 JUMP JUMPDEST SWAP2 POP DUP1 DUP3 MSTORE PUSH1 0x20 DUP4 ADD PUSH1 0x20 DUP4 ADD DUP6 DUP4 DUP4 ADD GT ISZERO PUSH2 0x4509 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4514 DUP4 DUP3 DUP5 PUSH2 0x5819 JUMP JUMPDEST POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x180 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x4530 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x453B PUSH2 0x180 PUSH2 0x572A JUMP JUMPDEST SWAP1 POP PUSH1 0x0 PUSH2 0x4549 DUP5 DUP5 PUSH2 0x4310 JUMP JUMPDEST DUP3 MSTORE POP PUSH1 0x20 PUSH2 0x455A DUP5 DUP5 DUP4 ADD PUSH2 0x4310 JUMP JUMPDEST PUSH1 0x20 DUP4 ADD MSTORE POP PUSH1 0x40 PUSH2 0x456E DUP5 DUP3 DUP6 ADD PUSH2 0x4310 JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MSTORE POP PUSH1 0x60 PUSH2 0x4582 DUP5 DUP3 DUP6 ADD PUSH2 0x4310 JUMP JUMPDEST PUSH1 0x60 DUP4 ADD MSTORE POP PUSH1 0x80 PUSH2 0x4596 DUP5 DUP3 DUP6 ADD PUSH2 0x4461 JUMP JUMPDEST PUSH1 0x80 DUP4 ADD MSTORE POP PUSH1 0xA0 PUSH2 0x45AA DUP5 DUP3 DUP6 ADD PUSH2 0x4461 JUMP JUMPDEST PUSH1 0xA0 DUP4 ADD MSTORE POP PUSH1 0xC0 PUSH2 0x45BE DUP5 DUP3 DUP6 ADD PUSH2 0x4461 JUMP JUMPDEST PUSH1 0xC0 DUP4 ADD MSTORE POP PUSH1 0xE0 PUSH2 0x45D2 DUP5 DUP3 DUP6 ADD PUSH2 0x4461 JUMP JUMPDEST PUSH1 0xE0 DUP4 ADD MSTORE POP PUSH2 0x100 PUSH2 0x45E7 DUP5 DUP3 DUP6 ADD PUSH2 0x4461 JUMP JUMPDEST PUSH2 0x100 DUP4 ADD MSTORE POP PUSH2 0x120 PUSH2 0x45FD DUP5 DUP3 DUP6 ADD PUSH2 0x4461 JUMP JUMPDEST PUSH2 0x120 DUP4 ADD MSTORE POP PUSH2 0x140 DUP3 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x461F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x462B DUP5 DUP3 DUP6 ADD PUSH2 0x44CE JUMP JUMPDEST PUSH2 0x140 DUP4 ADD MSTORE POP PUSH2 0x160 DUP3 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x464D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4659 DUP5 DUP3 DUP6 ADD PUSH2 0x44CE JUMP JUMPDEST PUSH2 0x160 DUP4 ADD MSTORE POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x4678 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x33B0 DUP5 DUP5 PUSH2 0x4310 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x4697 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x46A3 DUP6 DUP6 PUSH2 0x4310 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 PUSH2 0x46B4 DUP6 DUP3 DUP7 ADD PUSH2 0x4310 JUMP JUMPDEST SWAP2 POP POP SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x46D1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x46DD DUP6 DUP6 PUSH2 0x4310 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 PUSH2 0x46B4 DUP6 DUP3 DUP7 ADD PUSH2 0x4455 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x4700 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4717 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x33B0 DUP5 DUP3 DUP6 ADD PUSH2 0x4388 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x60 DUP5 DUP7 SUB SLT ISZERO PUSH2 0x4738 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP4 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x474F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x475B DUP7 DUP3 DUP8 ADD PUSH2 0x4388 JUMP JUMPDEST SWAP4 POP POP PUSH1 0x20 DUP5 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4778 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4784 DUP7 DUP3 DUP8 ADD PUSH2 0x43E5 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x40 DUP5 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x47A1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x47AD DUP7 DUP3 DUP8 ADD PUSH2 0x431C JUMP JUMPDEST SWAP2 POP POP SWAP3 POP SWAP3 POP SWAP3 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x60 DUP5 DUP7 SUB SLT ISZERO PUSH2 0x47CC JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP4 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x47E3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x47EF DUP7 DUP3 DUP8 ADD PUSH2 0x4388 JUMP JUMPDEST SWAP4 POP POP PUSH1 0x20 PUSH2 0x4784 DUP7 DUP3 DUP8 ADD PUSH2 0x4461 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x4812 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x33B0 DUP5 DUP5 PUSH2 0x4461 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x4831 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x46A3 DUP6 DUP6 PUSH2 0x4461 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x60 DUP6 DUP8 SUB SLT ISZERO PUSH2 0x4853 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x485F DUP8 DUP8 PUSH2 0x4461 JUMP JUMPDEST SWAP5 POP POP PUSH1 0x20 PUSH2 0x4870 DUP8 DUP3 DUP9 ADD PUSH2 0x4310 JUMP JUMPDEST SWAP4 POP POP PUSH1 0x40 DUP6 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x488D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4899 DUP8 DUP3 DUP9 ADD PUSH2 0x4485 JUMP JUMPDEST SWAP6 SWAP9 SWAP5 SWAP8 POP SWAP6 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x60 DUP5 DUP7 SUB SLT ISZERO PUSH2 0x48BA JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x48C6 DUP7 DUP7 PUSH2 0x4461 JUMP JUMPDEST SWAP4 POP POP PUSH1 0x20 PUSH2 0x48D7 DUP7 DUP3 DUP8 ADD PUSH2 0x4310 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x40 DUP5 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x48F4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x47AD DUP7 DUP3 DUP8 ADD PUSH2 0x44CE JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x4912 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x33B0 DUP5 DUP5 PUSH2 0x446D JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x4930 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x33B0 DUP5 DUP5 PUSH2 0x4479 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x494E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4965 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x33B0 DUP5 DUP3 DUP6 ADD PUSH2 0x451D JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x80 DUP6 DUP8 SUB SLT ISZERO PUSH2 0x4987 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP5 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x499E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x49AA DUP8 DUP3 DUP9 ADD PUSH2 0x451D JUMP JUMPDEST SWAP5 POP POP PUSH1 0x20 DUP6 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x49C7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x49D3 DUP8 DUP3 DUP9 ADD PUSH2 0x451D JUMP JUMPDEST SWAP4 POP POP PUSH1 0x40 DUP6 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x49F0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x49FC DUP8 DUP3 DUP9 ADD PUSH2 0x44CE JUMP JUMPDEST SWAP3 POP POP PUSH1 0x60 DUP6 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4A19 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4A25 DUP8 DUP3 DUP9 ADD PUSH2 0x44CE JUMP JUMPDEST SWAP2 POP POP SWAP3 SWAP6 SWAP2 SWAP5 POP SWAP3 POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x60 DUP5 DUP7 SUB SLT ISZERO PUSH2 0x4A46 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP4 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4A5D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4A69 DUP7 DUP3 DUP8 ADD PUSH2 0x451D JUMP JUMPDEST SWAP4 POP POP PUSH1 0x20 PUSH2 0x48D7 DUP7 DUP3 DUP8 ADD PUSH2 0x4461 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x80 DUP8 DUP10 SUB SLT ISZERO PUSH2 0x4A93 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x4A9F DUP10 DUP10 PUSH2 0x4461 JUMP JUMPDEST SWAP7 POP POP PUSH1 0x20 PUSH2 0x4AB0 DUP10 DUP3 DUP11 ADD PUSH2 0x4310 JUMP JUMPDEST SWAP6 POP POP PUSH1 0x40 DUP8 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4ACD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4AD9 DUP10 DUP3 DUP11 ADD PUSH2 0x4485 JUMP JUMPDEST SWAP5 POP SWAP5 POP POP PUSH1 0x60 DUP8 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4AF8 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4B04 DUP10 DUP3 DUP11 ADD PUSH2 0x4485 JUMP JUMPDEST SWAP3 POP SWAP3 POP POP SWAP3 SWAP6 POP SWAP3 SWAP6 POP SWAP3 SWAP6 JUMP JUMPDEST PUSH2 0x4B1C DUP2 PUSH2 0x57C2 JUMP JUMPDEST DUP3 MSTORE POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x4B2D DUP3 PUSH2 0x57BE JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH2 0x4B3F DUP4 PUSH2 0x57B8 JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP3 DUP2 LT ISZERO PUSH2 0x4B6F JUMPI PUSH2 0x4B55 DUP7 DUP4 MLOAD PUSH2 0x52F7 JUMP JUMPDEST PUSH2 0x4B5E DUP3 PUSH2 0x57B8 JUMP JUMPDEST PUSH1 0x60 SWAP7 SWAP1 SWAP7 ADD SWAP6 SWAP2 POP PUSH1 0x1 ADD PUSH2 0x4B42 JUMP JUMPDEST POP SWAP4 SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH2 0x4B1C DUP2 PUSH2 0x57DB JUMP JUMPDEST PUSH2 0x4B1C DUP2 PUSH2 0x57E0 JUMP JUMPDEST PUSH2 0x4B1C DUP2 PUSH2 0x57E3 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x4B9F DUP3 PUSH2 0x57BE JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH2 0x4BB3 DUP2 PUSH1 0x20 DUP7 ADD PUSH1 0x20 DUP7 ADD PUSH2 0x5825 JUMP JUMPDEST PUSH2 0x4BBC DUP2 PUSH2 0x5851 JUMP JUMPDEST SWAP1 SWAP4 ADD PUSH1 0x20 ADD SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH2 0x4B1C DUP2 PUSH2 0x580E JUMP JUMPDEST PUSH1 0x12 DUP2 MSTORE PUSH32 0x4C454E4754485F36355F52455155495245440000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xD DUP2 MSTORE PUSH32 0x494E56414C49445F54414B455200000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xE DUP2 MSTORE PUSH32 0x4F524445525F4F56455246494C4C000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x11 DUP2 MSTORE PUSH32 0x55494E543235365F554E444552464C4F57000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x1A DUP2 MSTORE PUSH32 0x41535345545F50524F58595F414C52454144595F455849535453000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x26 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F33325F4C454E4754485F5245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5155495245440000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x15 DUP2 MSTORE PUSH32 0x5349474E41545552455F554E535550504F525445440000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x10 DUP2 MSTORE PUSH32 0x4449564953494F4E5F42595F5A45524F00000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x17 DUP2 MSTORE PUSH32 0x494E56414C49445F4F524445525F5349474E4154555245000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xD DUP2 MSTORE PUSH32 0x494E56414C49445F4D414B455200000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x10 DUP2 MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xF DUP2 MSTORE PUSH32 0x494E56414C49445F54585F484153480000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x11 DUP2 MSTORE PUSH32 0x494E56414C49445F5349474E4154555245000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xE DUP2 MSTORE PUSH32 0x524F554E44494E475F4552524F52000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x10 DUP2 MSTORE PUSH32 0x4641494C45445F455845435554494F4E00000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xD DUP2 MSTORE PUSH32 0x54414B45525F4F56455250415900000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x14 DUP2 MSTORE PUSH32 0x494E56414C49445F54414B45525F414D4F554E54000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x1A DUP2 MSTORE PUSH32 0x41535345545F50524F58595F444F45535F4E4F545F4558495354000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x21 DUP2 MSTORE PUSH32 0x475245415445525F5448414E5F5A45524F5F4C454E4754485F52455155495245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x4400000000000000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x11 DUP2 MSTORE PUSH32 0x5349474E41545552455F494C4C4547414C000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x1E DUP2 MSTORE PUSH32 0x4C454E4754485F475245415445525F5448414E5F305F52455155495245440000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x17 DUP2 MSTORE PUSH32 0x494E56414C49445F4E45575F4F524445525F45504F4348000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x1E DUP2 MSTORE PUSH32 0x4C454E4754485F475245415445525F5448414E5F335F52455155495245440000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x14 DUP2 MSTORE PUSH32 0x434F4D504C4554455F46494C4C5F4641494C4544000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x12 DUP2 MSTORE PUSH32 0x494E56414C49445F46494C4C5F50524943450000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x12 DUP2 MSTORE PUSH32 0x5245454E5452414E43595F494C4C4547414C0000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x13 DUP2 MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x26 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F32305F4C454E4754485F5245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5155495245440000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x10 DUP2 MSTORE PUSH32 0x4F524445525F554E46494C4C41424C4500000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xE DUP2 MSTORE PUSH32 0x494E56414C49445F53454E444552000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x18 DUP2 MSTORE PUSH32 0x4E454741544956455F5350524541445F52455155495245440000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x14 DUP2 MSTORE PUSH32 0x494E56414C49445F54585F5349474E4154555245000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x11 DUP2 MSTORE PUSH32 0x4C454E4754485F305F5245515549524544000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST DUP1 MLOAD PUSH1 0x80 DUP4 ADD SWAP1 PUSH2 0x5285 DUP5 DUP3 PUSH2 0x4B82 JUMP JUMPDEST POP PUSH1 0x20 DUP3 ADD MLOAD PUSH2 0x5298 PUSH1 0x20 DUP6 ADD DUP3 PUSH2 0x4B82 JUMP JUMPDEST POP PUSH1 0x40 DUP3 ADD MLOAD PUSH2 0x52AB PUSH1 0x40 DUP6 ADD DUP3 PUSH2 0x4B82 JUMP JUMPDEST POP PUSH1 0x60 DUP3 ADD MLOAD PUSH2 0x2758 PUSH1 0x60 DUP6 ADD DUP3 PUSH2 0x4B82 JUMP JUMPDEST DUP1 MLOAD PUSH2 0x120 DUP4 ADD SWAP1 PUSH2 0x52D0 DUP5 DUP3 PUSH2 0x5274 JUMP JUMPDEST POP PUSH1 0x20 DUP3 ADD MLOAD PUSH2 0x52E3 PUSH1 0x80 DUP6 ADD DUP3 PUSH2 0x5274 JUMP JUMPDEST POP PUSH1 0x40 DUP3 ADD MLOAD PUSH2 0x2758 PUSH2 0x100 DUP6 ADD DUP3 PUSH2 0x4B82 JUMP JUMPDEST DUP1 MLOAD PUSH1 0x60 DUP4 ADD SWAP1 PUSH2 0x5308 DUP5 DUP3 PUSH2 0x532E JUMP JUMPDEST POP PUSH1 0x20 DUP3 ADD MLOAD PUSH2 0x531B PUSH1 0x20 DUP6 ADD DUP3 PUSH2 0x4B82 JUMP JUMPDEST POP PUSH1 0x40 DUP3 ADD MLOAD PUSH2 0x2758 PUSH1 0x40 DUP6 ADD DUP3 PUSH2 0x4B82 JUMP JUMPDEST PUSH2 0x4B1C DUP2 PUSH2 0x5808 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x2F23 DUP3 DUP5 PUSH2 0x4B13 JUMP JUMPDEST PUSH2 0x100 DUP2 ADD PUSH2 0x5354 DUP3 DUP12 PUSH2 0x4B13 JUMP JUMPDEST PUSH2 0x5361 PUSH1 0x20 DUP4 ADD DUP11 PUSH2 0x4B13 JUMP JUMPDEST PUSH2 0x536E PUSH1 0x40 DUP4 ADD DUP10 PUSH2 0x4B82 JUMP JUMPDEST PUSH2 0x537B PUSH1 0x60 DUP4 ADD DUP9 PUSH2 0x4B82 JUMP JUMPDEST PUSH2 0x5388 PUSH1 0x80 DUP4 ADD DUP8 PUSH2 0x4B82 JUMP JUMPDEST PUSH2 0x5395 PUSH1 0xA0 DUP4 ADD DUP7 PUSH2 0x4B82 JUMP JUMPDEST DUP2 DUP2 SUB PUSH1 0xC0 DUP4 ADD MSTORE PUSH2 0x53A7 DUP2 DUP6 PUSH2 0x4B94 JUMP JUMPDEST SWAP1 POP DUP2 DUP2 SUB PUSH1 0xE0 DUP4 ADD MSTORE PUSH2 0x53BB DUP2 DUP5 PUSH2 0x4B94 JUMP JUMPDEST SWAP11 SWAP10 POP POP POP POP POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x60 DUP2 ADD PUSH2 0x53D7 DUP3 DUP7 PUSH2 0x4B13 JUMP JUMPDEST DUP2 DUP2 SUB PUSH1 0x20 DUP4 ADD MSTORE PUSH2 0x53E9 DUP2 DUP6 PUSH2 0x4B94 JUMP JUMPDEST SWAP1 POP DUP2 DUP2 SUB PUSH1 0x40 DUP4 ADD MSTORE PUSH2 0x53FD DUP2 DUP5 PUSH2 0x4B94 JUMP JUMPDEST SWAP6 SWAP5 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x25BF DUP2 DUP5 PUSH2 0x4B22 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x2F23 DUP3 DUP5 PUSH2 0x4B79 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x2F23 DUP3 DUP5 PUSH2 0x4B82 JUMP JUMPDEST PUSH1 0x60 DUP2 ADD PUSH2 0x5441 DUP3 DUP7 PUSH2 0x4B82 JUMP JUMPDEST PUSH2 0x544E PUSH1 0x20 DUP4 ADD DUP6 PUSH2 0x4B13 JUMP JUMPDEST DUP2 DUP2 SUB PUSH1 0x40 DUP4 ADD MSTORE PUSH2 0x53FD DUP2 DUP5 PUSH2 0x4B94 JUMP JUMPDEST PUSH1 0x40 DUP2 ADD PUSH2 0x546E DUP3 DUP6 PUSH2 0x4B82 JUMP JUMPDEST DUP2 DUP2 SUB PUSH1 0x20 DUP4 ADD MSTORE PUSH2 0x33B0 DUP2 DUP5 PUSH2 0x4B94 JUMP JUMPDEST PUSH1 0x80 DUP2 ADD PUSH2 0x548E DUP3 DUP8 PUSH2 0x4B82 JUMP JUMPDEST PUSH2 0x549B PUSH1 0x20 DUP4 ADD DUP7 PUSH2 0x532E JUMP JUMPDEST PUSH2 0x54A8 PUSH1 0x40 DUP4 ADD DUP6 PUSH2 0x4B82 JUMP JUMPDEST PUSH2 0x53FD PUSH1 0x60 DUP4 ADD DUP5 PUSH2 0x4B82 JUMP JUMPDEST PUSH1 0x40 DUP2 ADD PUSH2 0x54C3 DUP3 DUP6 PUSH2 0x4B8B JUMP JUMPDEST PUSH2 0x25BF PUSH1 0x20 DUP4 ADD DUP5 PUSH2 0x4B13 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x25BF DUP2 DUP5 PUSH2 0x4B94 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x2F23 DUP3 DUP5 PUSH2 0x4BC9 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4BD2 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4C02 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4C32 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4C62 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4C92 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4CC2 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4D18 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4D48 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4D78 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4DA8 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4DD8 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4E08 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4E38 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4E68 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4E98 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4EC8 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4EF8 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4F28 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4F58 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4FAE JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4FDE JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x500E JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x503E JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x506E JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x509E JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x50CE JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x50FE JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x512E JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x5184 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x51B4 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x51E4 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x5214 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x5244 JUMP JUMPDEST PUSH1 0x80 DUP2 ADD PUSH2 0x2F23 DUP3 DUP5 PUSH2 0x5274 JUMP JUMPDEST PUSH2 0x120 DUP2 ADD PUSH2 0x2F23 DUP3 DUP5 PUSH2 0x52BE JUMP JUMPDEST PUSH1 0x60 DUP2 ADD PUSH2 0x2F23 DUP3 DUP5 PUSH2 0x52F7 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP2 DUP2 ADD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT DUP3 DUP3 LT OR ISZERO PUSH2 0x5749 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x40 MSTORE SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH8 0xFFFFFFFFFFFFFFFF DUP3 GT ISZERO PUSH2 0x5768 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x20 SWAP1 DUP2 MUL ADD SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH8 0xFFFFFFFFFFFFFFFF DUP3 GT ISZERO PUSH2 0x5789 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x20 PUSH1 0x1F SWAP2 SWAP1 SWAP2 ADD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 AND ADD SWAP1 JUMP JUMPDEST PUSH1 0x20 ADD SWAP1 JUMP JUMPDEST MLOAD SWAP1 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST ISZERO ISZERO SWAP1 JUMP JUMPDEST SWAP1 JUMP JUMPDEST PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND SWAP1 JUMP JUMPDEST PUSH1 0xFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x2F23 DUP3 PUSH2 0x57C2 JUMP JUMPDEST DUP3 DUP2 DUP4 CALLDATACOPY POP PUSH1 0x0 SWAP2 ADD MSTORE JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x5840 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x5828 JUMP JUMPDEST DUP4 DUP2 GT ISZERO PUSH2 0x2758 JUMPI POP POP PUSH1 0x0 SWAP2 ADD MSTORE JUMP JUMPDEST PUSH1 0x1F ADD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 AND SWAP1 JUMP STOP LOG2 PUSH6 0x627A7A723058 KECCAK256 0xb1 SWAP13 SWAP3 KECCAK256 LT ORIGIN PUSH1 0x33 SWAP9 0xc0 SMOD 0xdc 0xcf DUP1 SWAP4 0xc PUSH3 0x6EF89F 0xa6 0xc8 0x48 0xc8 0xb7 0xef MSTORE PUSH8 0xD07CD4ED6C657870 PUSH6 0x72696D656E74 PUSH2 0x6CF5 STOP CALLDATACOPY ", - "sourceMap": 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- } - } - }, - "sources": { - "2.0.0/extensions/Forwarder/Forwarder.sol": { - "id": 0 - }, - "2.0.0/extensions/Forwarder/MixinAssets.sol": { - "id": 1 - }, - "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": { - "id": 2 - }, - "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": { - "id": 3 - }, - "2.0.0/extensions/Forwarder/MixinWeth.sol": { - "id": 4 - }, - "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": { - "id": 5 - }, - "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": { - "id": 6 - }, - "2.0.0/extensions/Forwarder/libs/LibConstants.sol": { - "id": 7 - }, - "2.0.0/extensions/Forwarder/mixins/MAssets.sol": { - "id": 8 - }, - "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": { - "id": 9 - }, - "2.0.0/extensions/Forwarder/mixins/MWeth.sol": { - "id": 10 - }, - "2.0.0/extensions/OrderValidator/OrderValidator.sol": { - "id": 11 - }, - "2.0.0/multisig/MultiSigWallet.sol": { - "id": 12 - }, - "2.0.0/multisig/MultiSigWalletWithTimeLock.sol": { - "id": 13 - }, - "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": { - "id": 14 - }, - "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": { - "id": 15 - }, - "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": { - "id": 16 - }, - "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": { - "id": 17 - }, - "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": { - "id": 18 - }, - "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": { - "id": 19 - }, - "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": { - "id": 20 - }, - "2.0.0/protocol/Exchange/Exchange.sol": { - "id": 21 - }, - "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": { - "id": 22 - }, - "2.0.0/protocol/Exchange/MixinExchangeCore.sol": { - "id": 23 - }, - "2.0.0/protocol/Exchange/MixinMatchOrders.sol": { - "id": 24 - }, - "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": { - "id": 25 - }, - "2.0.0/protocol/Exchange/MixinTransactions.sol": { - "id": 26 - }, - "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": { - "id": 27 - }, - "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": { - "id": 28 - }, - "2.0.0/protocol/Exchange/interfaces/IExchange.sol": { - "id": 29 - }, - "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": { - "id": 30 - }, - "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": { - "id": 31 - }, - "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": { - "id": 32 - }, - "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": { - "id": 33 - }, - "2.0.0/protocol/Exchange/interfaces/IValidator.sol": { - "id": 34 - }, - "2.0.0/protocol/Exchange/interfaces/IWallet.sol": { - "id": 35 - }, - "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": { - "id": 36 - }, - "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": { - "id": 37 - }, - "2.0.0/protocol/Exchange/libs/LibConstants.sol": { - "id": 38 - }, - "2.0.0/protocol/Exchange/libs/LibEIP712.sol": { - "id": 39 - }, - "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": { - "id": 40 - }, - "2.0.0/protocol/Exchange/libs/LibFillResults.sol": { - "id": 41 - }, - "2.0.0/protocol/Exchange/libs/LibMath.sol": { - "id": 42 - }, - "2.0.0/protocol/Exchange/libs/LibOrder.sol": { - "id": 43 - }, - "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": { - "id": 44 - }, - "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": { - "id": 45 - }, - "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": { - "id": 46 - }, - "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": { - "id": 47 - }, - "2.0.0/protocol/Exchange/mixins/MTransactions.sol": { - "id": 48 - }, - "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": { - "id": 49 - }, - "2.0.0/tokens/ERC20Token/IERC20Token.sol": { - "id": 50 - }, - "2.0.0/tokens/ERC721Token/IERC721Token.sol": { - "id": 51 - }, - "2.0.0/tokens/EtherToken/IEtherToken.sol": { - "id": 52 - }, - "2.0.0/utils/LibBytes/LibBytes.sol": { - "id": 53 - }, - "2.0.0/utils/Ownable/IOwnable.sol": { - "id": 54 - }, - "2.0.0/utils/Ownable/Ownable.sol": { - "id": 55 - }, - "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": { - "id": 56 - }, - "2.0.0/utils/SafeMath/SafeMath.sol": { - "id": 57 - } - }, - "sourceCodes": { - "2.0.0/extensions/Forwarder/Forwarder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinWeth.sol\";\nimport \"./MixinForwarderCore.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinAssets.sol\";\nimport \"./MixinExchangeWrapper.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Forwarder is\n LibConstants,\n MixinWeth,\n MixinAssets,\n MixinExchangeWrapper,\n MixinForwarderCore\n{\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n LibConstants(\n _exchange,\n _zrxAssetData,\n _wethAssetData\n )\n MixinForwarderCore()\n {}\n}\n", - "2.0.0/extensions/Forwarder/MixinAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MAssets.sol\";\n\n\ncontract MixinAssets is\n Ownable,\n LibConstants,\n MAssets\n{\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256(\"transfer(address,uint256)\"));\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external\n onlyOwner\n {\n transferAssetToSender(assetData, amount);\n }\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n bytes4 proxyId = assetData.readBytes4(0);\n\n if (proxyId == ERC20_DATA_ID) {\n transferERC20Token(assetData, amount);\n } else if (proxyId == ERC721_DATA_ID) {\n transferERC721Token(assetData, amount);\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n }\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n address token = assetData.readAddress(16);\n\n // Transfer tokens.\n // We do a raw call so we can check the success separate\n // from the return data.\n bool success = token.call(abi.encodeWithSelector(\n ERC20_TRANSFER_SELECTOR,\n msg.sender,\n amount\n ));\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n \n // Check return data.\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // value that evaluates to true.\n assembly {\n if returndatasize {\n success := 0\n if eq(returndatasize, 32) {\n // First 64 bytes of memory are reserved scratch space\n returndatacopy(0, 0, 32)\n success := mload(0)\n }\n }\n }\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n }\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n require(\n amount == 1,\n \"INVALID_AMOUNT\"\n );\n // Decode asset data.\n address token = assetData.readAddress(16);\n uint256 tokenId = assetData.readUint256(36);\n\n // Perform transfer.\n IERC721Token(token).transferFrom(\n address(this),\n msg.sender,\n tokenId\n );\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"../../protocol/Exchange/libs/LibAbiEncoder.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinExchangeWrapper is\n LibAbiEncoder,\n LibFillResults,\n LibMath,\n LibConstants,\n MExchangeWrapper\n{\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n address exchange = address(EXCHANGE);\n\n // Call `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := call(\n gas, // forward all gas\n exchange, // call address of Exchange contract\n 0, // transfer 0 wei\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of WETH to sell\n uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of WETH\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount;\n if (makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n\n require(\n makerAssetFilledAmount >= makerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n // Do nothing if zrxBuyAmount == 0\n if (zrxBuyAmount == 0) {\n return totalFillResults;\n }\n\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n uint256 zrxPurchased = 0;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // All of these are ZRX/WETH, so we can drop the respective assetData from calldata.\n orders[i].makerAssetData = zrxAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of ZRX to buy.\n uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased);\n\n // Convert the remaining amount of ZRX to buy into remaining amount\n // of WETH to sell, assuming entire amount can be sold in the current order.\n uint256 remainingWethSellAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees \n remainingZrxBuyAmount\n );\n\n // Attempt to sell the remaining amount of WETH.\n FillResults memory singleFillResult = fillOrderNoThrow(\n orders[i],\n safeAdd(remainingWethSellAmount, 1), // we add 1 wei to the fill amount to make up for rounding errors\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker.\n addFillResults(totalFillResults, singleFillResult);\n zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid);\n\n // Stop execution if the entire amount of ZRX has been bought.\n if (zrxPurchased >= zrxBuyAmount) {\n break;\n }\n }\n\n require(\n zrxPurchased >= zrxBuyAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\nimport \"./mixins/MAssets.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"./interfaces/IForwarderCore.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinForwarderCore is\n LibFillResults,\n LibMath,\n LibConstants,\n MWeth,\n MAssets,\n MExchangeWrapper,\n IForwarderCore\n{\n using LibBytes for bytes;\n\n /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf.\n constructor ()\n public\n {\n address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID);\n require(\n proxyAddress != address(0),\n \"UNREGISTERED_ASSET_PROXY\"\n );\n ETHER_TOKEN.approve(proxyAddress, MAX_UINT);\n ZRX_TOKEN.approve(proxyAddress, MAX_UINT);\n }\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 wethSellAmount;\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // Calculate amount of WETH that won't be spent on ETH fees.\n wethSellAmount = getPartialAmountFloor(\n PERCENTAGE_DENOMINATOR,\n safeAdd(PERCENTAGE_DENOMINATOR, feePercentage),\n msg.value\n );\n // Market sell available WETH.\n // ZRX fees are paid with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // 5% of WETH is reserved for filling feeOrders and paying feeRecipient.\n wethSellAmount = getPartialAmountFloor(\n MAX_WETH_FILL_PERCENTAGE,\n PERCENTAGE_DENOMINATOR,\n msg.value\n );\n // Market sell 95% of WETH.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // If the makerAsset is ZRX, it is not necessary to pay fees out of this\n // contracts's ZRX balance because fees are factored into the price of the order.\n orderFillResults = marketBuyExactZrxWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // Attemp to purchase desired amount of makerAsset.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketBuyExactAmountWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\n\n\ncontract MixinWeth is\n LibMath,\n LibConstants,\n MWeth\n{\n /// @dev Default payabale function, this allows us to withdraw WETH\n function ()\n public\n payable\n {\n require(\n msg.sender == address(ETHER_TOKEN),\n \"DEFAULT_FUNCTION_WETH_CONTRACT_ONLY\"\n );\n }\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal\n {\n require(\n msg.value > 0,\n \"INVALID_MSG_VALUE\"\n );\n ETHER_TOKEN.deposit.value(msg.value)();\n }\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal\n {\n // Ensure feePercentage is less than 5%.\n require(\n feePercentage <= MAX_FEE_PERCENTAGE,\n \"FEE_PERCENTAGE_TOO_LARGE\"\n );\n\n // Ensure that no extra WETH owned by this contract has been sold.\n uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx);\n require(\n wethSold <= msg.value,\n \"OVERSOLD_WETH\"\n );\n\n // Calculate amount of WETH that hasn't been sold.\n uint256 wethRemaining = safeSub(msg.value, wethSold);\n\n // Calculate ETH fee to pay to feeRecipient.\n uint256 ethFee = getPartialAmountFloor(\n feePercentage,\n PERCENTAGE_DENOMINATOR,\n wethSoldExcludingFeeOrders\n );\n\n // Ensure fee is less than amount of WETH remaining.\n require(\n ethFee <= wethRemaining,\n \"INSUFFICIENT_ETH_REMAINING\"\n );\n \n // Do nothing if no WETH remaining\n if (wethRemaining > 0) {\n // Convert remaining WETH to ETH\n ETHER_TOKEN.withdraw(wethRemaining);\n\n // Pay ETH to feeRecipient\n if (ethFee > 0) {\n feeRecipient.transfer(ethFee);\n }\n\n // Refund remaining ETH to msg.sender.\n uint256 ethRefund = safeSub(wethRemaining, ethFee);\n if (ethRefund > 0) {\n msg.sender.transfer(ethRefund);\n }\n }\n }\n}\n", - "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssets {\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external;\n}\n", - "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract IForwarderCore {\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n}\n", - "2.0.0/extensions/Forwarder/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/LibBytes/LibBytes.sol\";\nimport \"../../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../../tokens/EtherToken/IEtherToken.sol\";\nimport \"../../../tokens/ERC20Token/IERC20Token.sol\";\n\n\ncontract LibConstants {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n uint256 constant internal MAX_UINT = 2**256 - 1;\n uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; \n uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5%\n uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95%\n \n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n IEtherToken internal ETHER_TOKEN;\n IERC20Token internal ZRX_TOKEN;\n bytes internal ZRX_ASSET_DATA;\n bytes internal WETH_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n WETH_ASSET_DATA = _wethAssetData;\n\n address etherToken = _wethAssetData.readAddress(16);\n address zrxToken = _zrxAssetData.readAddress(16);\n ETHER_TOKEN = IEtherToken(etherToken);\n ZRX_TOKEN = IERC20Token(zrxToken);\n }\n}\n", - "2.0.0/extensions/Forwarder/mixins/MAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssets.sol\";\n\n\ncontract MAssets is\n IAssets\n{\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n}\n", - "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract MExchangeWrapper {\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n}\n", - "2.0.0/extensions/Forwarder/mixins/MWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract MWeth {\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal;\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal;\n}\n", - "2.0.0/extensions/OrderValidator/OrderValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract OrderValidator {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n struct TraderInfo {\n uint256 makerBalance; // Maker's balance of makerAsset\n uint256 makerAllowance; // Maker's allowance to corresponding AssetProxy\n uint256 takerBalance; // Taker's balance of takerAsset\n uint256 takerAllowance; // Taker's allowance to corresponding AssetProxy\n uint256 makerZrxBalance; // Maker's balance of ZRX\n uint256 makerZrxAllowance; // Maker's allowance of ZRX to ERC20Proxy\n uint256 takerZrxBalance; // Taker's balance of ZRX\n uint256 takerZrxAllowance; // Taker's allowance of ZRX to ERC20Proxy\n }\n\n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n bytes internal ZRX_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (address _exchange, bytes memory _zrxAssetData)\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n }\n\n /// @dev Fetches information for order and maker/taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return OrderInfo and TraderInfo instances for given order.\n function getOrderAndTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo, TraderInfo memory traderInfo)\n {\n orderInfo = EXCHANGE.getOrderInfo(order);\n traderInfo = getTraderInfo(order, takerAddress);\n return (orderInfo, traderInfo);\n }\n\n /// @dev Fetches information for all passed in orders and the makers/takers of each order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Arrays of OrderInfo and TraderInfo instances that correspond to each order.\n function getOrdersAndTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (LibOrder.OrderInfo[] memory ordersInfo, TraderInfo[] memory tradersInfo)\n {\n ordersInfo = EXCHANGE.getOrdersInfo(orders);\n tradersInfo = getTradersInfo(orders, takerAddresses);\n return (ordersInfo, tradersInfo);\n }\n\n /// @dev Fetches balance and allowances for maker and taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return Balances and allowances of maker and taker of order.\n function getTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (TraderInfo memory traderInfo)\n {\n (traderInfo.makerBalance, traderInfo.makerAllowance) = getBalanceAndAllowance(order.makerAddress, order.makerAssetData);\n (traderInfo.takerBalance, traderInfo.takerAllowance) = getBalanceAndAllowance(takerAddress, order.takerAssetData);\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n (traderInfo.makerZrxBalance, traderInfo.makerZrxAllowance) = getBalanceAndAllowance(order.makerAddress, zrxAssetData);\n (traderInfo.takerZrxBalance, traderInfo.takerZrxAllowance) = getBalanceAndAllowance(takerAddress, zrxAssetData);\n return traderInfo;\n }\n\n /// @dev Fetches balances and allowances of maker and taker for each provided order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Array of balances and allowances for maker and taker of each order.\n function getTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (TraderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n TraderInfo[] memory tradersInfo = new TraderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n tradersInfo[i] = getTraderInfo(orders[i], takerAddresses[i]);\n }\n return tradersInfo;\n }\n\n /// @dev Fetches token balances and allowances of an address to given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Encoded data that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balance of asset and allowance set to given proxy of asset.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalanceAndAllowance(address target, bytes memory assetData)\n public\n view\n returns (uint256 balance, uint256 allowance)\n {\n bytes4 assetProxyId = assetData.readBytes4(0);\n address token = assetData.readAddress(16);\n address assetProxy = EXCHANGE.getAssetProxy(assetProxyId);\n\n if (assetProxyId == ERC20_DATA_ID) {\n // Query balance\n balance = IERC20Token(token).balanceOf(target);\n\n // Query allowance\n allowance = IERC20Token(token).allowance(target, assetProxy);\n } else if (assetProxyId == ERC721_DATA_ID) {\n uint256 tokenId = assetData.readUint256(36);\n\n // Query owner of tokenId\n address owner = getERC721TokenOwner(token, tokenId);\n\n // Set balance to 1 if tokenId is owned by target\n balance = target == owner ? 1 : 0;\n\n // Check if ERC721Proxy is approved to spend tokenId\n bool isApproved = IERC721Token(token).isApprovedForAll(target, assetProxy) || IERC721Token(token).getApproved(tokenId) == assetProxy;\n \n // Set alowance to 1 if ERC721Proxy is approved to spend tokenId\n allowance = isApproved ? 1 : 0;\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n return (balance, allowance);\n }\n\n /// @dev Fetches token balances and allowances of an address for each given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Array of encoded byte arrays that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balances and allowances of assets.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalancesAndAllowances(address target, bytes[] memory assetData)\n public\n view\n returns (uint256[] memory, uint256[] memory)\n {\n uint256 length = assetData.length;\n uint256[] memory balances = new uint256[](length);\n uint256[] memory allowances = new uint256[](length);\n for (uint256 i = 0; i != length; i++) {\n (balances[i], allowances[i]) = getBalanceAndAllowance(target, assetData[i]);\n }\n return (balances, allowances);\n }\n\n /// @dev Calls `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token.\n /// @param token Address of ERC721 token.\n /// @param tokenId The identifier for the specific NFT.\n /// @return Owner of tokenId or null address if unowned.\n function getERC721TokenOwner(address token, uint256 tokenId)\n public\n view\n returns (address owner)\n {\n assembly {\n // load free memory pointer\n let cdStart := mload(64)\n\n // bytes4(keccak256(ownerOf(uint256))) = 0x6352211e\n mstore(cdStart, 0x6352211e00000000000000000000000000000000000000000000000000000000)\n mstore(add(cdStart, 4), tokenId)\n\n // staticcall `ownerOf(tokenId)`\n // `ownerOf` will revert if tokenId is not owned\n let success := staticcall(\n gas, // forward all gas\n token, // call token contract\n cdStart, // start of calldata\n 36, // length of input is 36 bytes\n cdStart, // write output over input\n 32 // size of output is 32 bytes\n )\n\n // Success implies that tokenId is owned\n // Copy owner from return data if successful\n if success {\n owner := mload(cdStart)\n } \n }\n\n // Owner initialized to address(0), no need to modify if call is unsuccessful\n return owner;\n }\n}\n", - "2.0.0/multisig/MultiSigWallet.sol": "// solhint-disable\npragma solidity ^0.4.15;\n\n\n/// @title Multisignature wallet - Allows multiple parties to agree on transactions before execution.\n/// @author Stefan George - \ncontract MultiSigWallet {\n\n /*\n * Events\n */\n event Confirmation(address indexed sender, uint indexed transactionId);\n event Revocation(address indexed sender, uint indexed transactionId);\n event Submission(uint indexed transactionId);\n event Execution(uint indexed transactionId);\n event ExecutionFailure(uint indexed transactionId);\n event Deposit(address indexed sender, uint value);\n event OwnerAddition(address indexed owner);\n event OwnerRemoval(address indexed owner);\n event RequirementChange(uint required);\n\n /*\n * Constants\n */\n uint constant public MAX_OWNER_COUNT = 50;\n\n /*\n * Storage\n */\n mapping (uint => Transaction) public transactions;\n mapping (uint => mapping (address => bool)) public confirmations;\n mapping (address => bool) public isOwner;\n address[] public owners;\n uint public required;\n uint public transactionCount;\n\n struct Transaction {\n address destination;\n uint value;\n bytes data;\n bool executed;\n }\n\n /*\n * Modifiers\n */\n modifier onlyWallet() {\n require(msg.sender == address(this));\n _;\n }\n\n modifier ownerDoesNotExist(address owner) {\n require(!isOwner[owner]);\n _;\n }\n\n modifier ownerExists(address owner) {\n require(isOwner[owner]);\n _;\n }\n\n modifier transactionExists(uint transactionId) {\n require(transactions[transactionId].destination != 0);\n _;\n }\n\n modifier confirmed(uint transactionId, address owner) {\n require(confirmations[transactionId][owner]);\n _;\n }\n\n modifier notConfirmed(uint transactionId, address owner) {\n require(!confirmations[transactionId][owner]);\n _;\n }\n\n modifier notExecuted(uint transactionId) {\n require(!transactions[transactionId].executed);\n _;\n }\n\n modifier notNull(address _address) {\n require(_address != 0);\n _;\n }\n\n modifier validRequirement(uint ownerCount, uint _required) {\n require(ownerCount <= MAX_OWNER_COUNT\n && _required <= ownerCount\n && _required != 0\n && ownerCount != 0);\n _;\n }\n\n /// @dev Fallback function allows to deposit ether.\n function()\n payable\n {\n if (msg.value > 0)\n Deposit(msg.sender, msg.value);\n }\n\n /*\n * Public functions\n */\n /// @dev Contract constructor sets initial owners and required number of confirmations.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n function MultiSigWallet(address[] _owners, uint _required)\n public\n validRequirement(_owners.length, _required)\n {\n for (uint i=0; i<_owners.length; i++) {\n require(!isOwner[_owners[i]] && _owners[i] != 0);\n isOwner[_owners[i]] = true;\n }\n owners = _owners;\n required = _required;\n }\n\n /// @dev Allows to add a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of new owner.\n function addOwner(address owner)\n public\n onlyWallet\n ownerDoesNotExist(owner)\n notNull(owner)\n validRequirement(owners.length + 1, required)\n {\n isOwner[owner] = true;\n owners.push(owner);\n OwnerAddition(owner);\n }\n\n /// @dev Allows to remove an owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner.\n function removeOwner(address owner)\n public\n onlyWallet\n ownerExists(owner)\n {\n isOwner[owner] = false;\n for (uint i=0; i owners.length)\n changeRequirement(owners.length);\n OwnerRemoval(owner);\n }\n\n /// @dev Allows to replace an owner with a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner to be replaced.\n /// @param newOwner Address of new owner.\n function replaceOwner(address owner, address newOwner)\n public\n onlyWallet\n ownerExists(owner)\n ownerDoesNotExist(newOwner)\n {\n for (uint i=0; i\n// solhint-disable not-rely-on-time\ncontract MultiSigWalletWithTimeLock is\n MultiSigWallet\n{\n event ConfirmationTimeSet(uint256 indexed transactionId, uint256 confirmationTime);\n event TimeLockChange(uint256 secondsTimeLocked);\n\n uint256 public secondsTimeLocked;\n\n mapping (uint256 => uint256) public confirmationTimes;\n\n modifier notFullyConfirmed(uint256 transactionId) {\n require(\n !isConfirmed(transactionId),\n \"TX_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier fullyConfirmed(uint256 transactionId) {\n require(\n isConfirmed(transactionId),\n \"TX_NOT_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier pastTimeLock(uint256 transactionId) {\n require(\n block.timestamp >= confirmationTimes[transactionId] + secondsTimeLocked,\n \"TIME_LOCK_INCOMPLETE\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations, and time lock.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] _owners,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWallet(_owners, _required)\n {\n secondsTimeLocked = _secondsTimeLocked;\n }\n\n /// @dev Changes the duration of the time lock for transactions.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n function changeTimeLock(uint256 _secondsTimeLocked)\n public\n onlyWallet\n {\n secondsTimeLocked = _secondsTimeLocked;\n emit TimeLockChange(_secondsTimeLocked);\n }\n\n /// @dev Allows an owner to confirm a transaction.\n /// @param transactionId Transaction ID.\n function confirmTransaction(uint256 transactionId)\n public\n ownerExists(msg.sender)\n transactionExists(transactionId)\n notConfirmed(transactionId, msg.sender)\n notFullyConfirmed(transactionId)\n {\n confirmations[transactionId][msg.sender] = true;\n emit Confirmation(msg.sender, transactionId);\n if (isConfirmed(transactionId)) {\n setConfirmationTime(transactionId, block.timestamp);\n }\n }\n\n /// @dev Allows anyone to execute a confirmed transaction.\n /// @param transactionId Transaction ID.\n function executeTransaction(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n pastTimeLock(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n\n /// @dev Sets the time of when a submission first passed.\n function setConfirmationTime(uint256 transactionId, uint256 confirmationTime)\n internal\n {\n confirmationTimes[transactionId] = confirmationTime;\n emit ConfirmationTimeSet(transactionId, confirmationTime);\n }\n}\n", - "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC20Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n \n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 1 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n\n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. amount |\n\n /////// Read token address from calldata ///////\n // * The token address is stored in `assetData`.\n //\n // * The \"offset to assetData\" is stored at offset 4 in the calldata (table 1).\n // [assetDataOffsetFromParams = calldataload(4)]\n //\n // * Notes that the \"offset to assetData\" is relative to the \"Params\" area of calldata;\n // add 4 bytes to account for the length of the \"Header\" area (table 1).\n // [assetDataOffsetFromHeader = assetDataOffsetFromParams + 4]\n //\n // * The \"token address\" is offset 32+4=36 bytes into \"assetData\" (tables 1 & 2).\n // [tokenOffset = assetDataOffsetFromHeader + 36 = calldataload(4) + 4 + 36]\n let token := calldataload(add(calldataload(4), 40))\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from`, `to` and `amount` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 96)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output over input\n 32 // output size should be 32 bytes\n )\n\n /////// Check return data. ///////\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // nonzero 32 bytes value.\n // So the transfer succeeded if the call succeeded and either\n // returned nothing, or returned a non-zero 32 byte value. \n success := and(success, or(\n iszero(returndatasize),\n and(\n eq(returndatasize, 32),\n gt(mload(0), 0)\n )\n ))\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", - "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC721Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 2 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n // | | 36 | | 2. tokenId |\n \n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. tokenId |\n\n // There exists only 1 of each token.\n // require(amount == 1, \"INVALID_AMOUNT\")\n if sub(calldataload(100), 1) {\n // Revert with `Error(\"INVALID_AMOUNT\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from` and `to` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 64)\n\n // Copy `tokenId` field from our own calldata to the new calldata.\n let assetDataOffset := calldataload(4)\n calldatacopy(68, add(assetDataOffset, 72), 32)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let token := calldataload(add(assetDataOffset, 40))\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output to null\n 0 // output size is 0 bytes\n )\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", - "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAuthorizable.sol\";\n\n\ncontract MixinAuthorizable is\n Ownable,\n MAuthorizable\n{\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized {\n require(\n authorized[msg.sender],\n \"SENDER_NOT_AUTHORIZED\"\n );\n _;\n }\n\n mapping (address => bool) public authorized;\n address[] public authorities;\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n !authorized[target],\n \"TARGET_ALREADY_AUTHORIZED\"\n );\n\n authorized[target] = true;\n authorities.push(target);\n emit AuthorizedAddressAdded(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n\n delete authorized[target];\n for (uint256 i = 0; i < authorities.length; i++) {\n if (authorities[i] == target) {\n authorities[i] = authorities[authorities.length - 1];\n authorities.length -= 1;\n break;\n }\n }\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n require(\n index < authorities.length,\n \"INDEX_OUT_OF_BOUNDS\"\n );\n require(\n authorities[index] == target,\n \"AUTHORIZED_ADDRESS_MISMATCH\"\n );\n\n delete authorized[target];\n authorities[index] = authorities[authorities.length - 1];\n authorities.length -= 1;\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory)\n {\n return authorities;\n }\n}\n", - "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IAuthorizable.sol\";\n\n\ncontract IAssetProxy is\n IAuthorizable\n{\n /// @dev Transfers assets. Either succeeds or throws.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n function transferFrom(\n bytes assetData,\n address from,\n address to,\n uint256 amount\n )\n external;\n \n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4);\n}\n", - "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/Ownable/IOwnable.sol\";\n\n\ncontract IAuthorizable is\n IOwnable\n{\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external;\n \n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory);\n}\n", - "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAuthorizable.sol\";\n\n\ncontract MAuthorizable is\n IAuthorizable\n{\n // Event logged when a new address is authorized.\n event AuthorizedAddressAdded(\n address indexed target,\n address indexed caller\n );\n\n // Event logged when a currently authorized address is unauthorized.\n event AuthorizedAddressRemoved(\n address indexed target,\n address indexed caller\n );\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized { revert(); _; }\n}\n", - "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../multisig/MultiSigWalletWithTimeLock.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract AssetProxyOwner is\n MultiSigWalletWithTimeLock\n{\n using LibBytes for bytes;\n\n event AssetProxyRegistration(address assetProxyContract, bool isRegistered);\n\n // Mapping of AssetProxy contract address =>\n // if this contract is allowed to call the AssetProxy's `removeAuthorizedAddressAtIndex` method without a time lock.\n mapping (address => bool) public isAssetProxyRegistered;\n\n bytes4 constant internal REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR = bytes4(keccak256(\"removeAuthorizedAddressAtIndex(address,uint256)\"));\n\n /// @dev Function will revert if the transaction does not call `removeAuthorizedAddressAtIndex`\n /// on an approved AssetProxy contract.\n modifier validRemoveAuthorizedAddressAtIndexTx(uint256 transactionId) {\n Transaction storage txn = transactions[transactionId];\n require(\n isAssetProxyRegistered[txn.destination],\n \"UNREGISTERED_ASSET_PROXY\"\n );\n require(\n txn.data.readBytes4(0) == REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR,\n \"INVALID_FUNCTION_SELECTOR\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations,\n /// time lock, and list of AssetProxy addresses.\n /// @param _owners List of initial owners.\n /// @param _assetProxyContracts Array of AssetProxy contract addresses.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] memory _owners,\n address[] memory _assetProxyContracts,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWalletWithTimeLock(_owners, _required, _secondsTimeLocked)\n {\n for (uint256 i = 0; i < _assetProxyContracts.length; i++) {\n address assetProxy = _assetProxyContracts[i];\n require(\n assetProxy != address(0),\n \"INVALID_ASSET_PROXY\"\n );\n isAssetProxyRegistered[assetProxy] = true;\n }\n }\n\n /// @dev Registers or deregisters an AssetProxy to be able to execute\n /// `removeAuthorizedAddressAtIndex` without a timelock.\n /// @param assetProxyContract Address of AssetProxy contract.\n /// @param isRegistered Status of approval for AssetProxy contract.\n function registerAssetProxy(address assetProxyContract, bool isRegistered)\n public\n onlyWallet\n notNull(assetProxyContract)\n {\n isAssetProxyRegistered[assetProxyContract] = isRegistered;\n emit AssetProxyRegistration(assetProxyContract, isRegistered);\n }\n\n /// @dev Allows execution of `removeAuthorizedAddressAtIndex` without time lock.\n /// @param transactionId Transaction ID.\n function executeRemoveAuthorizedAddressAtIndex(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n validRemoveAuthorizedAddressAtIndexTx(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n}\n", - "2.0.0/protocol/Exchange/Exchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinExchangeCore.sol\";\nimport \"./MixinSignatureValidator.sol\";\nimport \"./MixinWrapperFunctions.sol\";\nimport \"./MixinAssetProxyDispatcher.sol\";\nimport \"./MixinTransactions.sol\";\nimport \"./MixinMatchOrders.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Exchange is\n MixinExchangeCore,\n MixinMatchOrders,\n MixinSignatureValidator,\n MixinTransactions,\n MixinAssetProxyDispatcher,\n MixinWrapperFunctions\n{\n string constant public VERSION = \"2.0.0\";\n\n // Mixins are instantiated in the order they are inherited\n constructor ()\n public\n MixinExchangeCore()\n MixinMatchOrders()\n MixinSignatureValidator()\n MixinTransactions()\n MixinAssetProxyDispatcher()\n MixinWrapperFunctions()\n {}\n}\n", - "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\nimport \"../AssetProxy/interfaces/IAssetProxy.sol\";\n\n\ncontract MixinAssetProxyDispatcher is\n Ownable,\n MAssetProxyDispatcher\n{\n // Mapping from Asset Proxy Id's to their respective Asset Proxy\n mapping (bytes4 => IAssetProxy) public assetProxies;\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external\n onlyOwner\n {\n IAssetProxy assetProxyContract = IAssetProxy(assetProxy);\n\n // Ensure that no asset proxy exists with current id.\n bytes4 assetProxyId = assetProxyContract.getProxyId();\n address currentAssetProxy = assetProxies[assetProxyId];\n require(\n currentAssetProxy == address(0),\n \"ASSET_PROXY_ALREADY_EXISTS\"\n );\n\n // Add asset proxy and log registration.\n assetProxies[assetProxyId] = assetProxyContract;\n emit AssetProxyRegistered(\n assetProxyId,\n assetProxy\n );\n }\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address)\n {\n return assetProxies[assetProxyId];\n }\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal\n {\n // Do nothing if no amount should be transferred.\n if (amount > 0 && from != to) {\n // Ensure assetData length is valid\n require(\n assetData.length > 3,\n \"LENGTH_GREATER_THAN_3_REQUIRED\"\n );\n \n // Lookup assetProxy. We do not use `LibBytes.readBytes4` for gas efficiency reasons.\n bytes4 assetProxyId;\n assembly {\n assetProxyId := and(mload(\n add(assetData, 32)),\n 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000\n )\n }\n address assetProxy = assetProxies[assetProxyId];\n\n // Ensure that assetProxy exists\n require(\n assetProxy != address(0),\n \"ASSET_PROXY_DOES_NOT_EXIST\"\n );\n \n // We construct calldata for the `assetProxy.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n\n assembly {\n /////// Setup State ///////\n // `cdStart` is the start of the calldata for `assetProxy.transferFrom` (equal to free memory ptr).\n let cdStart := mload(64)\n // `dataAreaLength` is the total number of words needed to store `assetData`\n // As-per the ABI spec, this value is padded up to the nearest multiple of 32,\n // and includes 32-bytes for length.\n let dataAreaLength := and(add(mload(assetData), 63), 0xFFFFFFFFFFFE0)\n // `cdEnd` is the end of the calldata for `assetProxy.transferFrom`.\n let cdEnd := add(cdStart, add(132, dataAreaLength))\n\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFromSelector`.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes.\n // Notes:\n // 1. The offset to `assetData` is the length of the Params Area (128 bytes).\n // 2. A 20-byte mask is applied to addresses to zero-out the unused bytes.\n mstore(add(cdStart, 4), 128)\n mstore(add(cdStart, 36), and(from, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 68), and(to, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 100), amount)\n \n /////// Setup Data Area ///////\n // This area holds `assetData`.\n let dataArea := add(cdStart, 132)\n // solhint-disable-next-line no-empty-blocks\n for {} lt(dataArea, cdEnd) {} {\n mstore(dataArea, mload(assetData))\n dataArea := add(dataArea, 32)\n assetData := add(assetData, 32)\n }\n\n /////// Call `assetProxy.transferFrom` using the constructed calldata ///////\n let success := call(\n gas, // forward all gas\n assetProxy, // call address of asset proxy\n 0, // don't send any ETH\n cdStart, // pointer to start of input\n sub(cdEnd, cdStart), // length of input \n cdStart, // write output over input\n 512 // reserve 512 bytes for output\n )\n if iszero(success) {\n revert(cdStart, returndatasize())\n }\n }\n }\n }\n}\n", - "2.0.0/protocol/Exchange/MixinExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinExchangeCore is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n LibOrder,\n LibFillResults,\n MAssetProxyDispatcher,\n MExchangeCore,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of orderHash => amount of takerAsset already bought by maker\n mapping (bytes32 => uint256) public filled;\n\n // Mapping of orderHash => cancelled\n mapping (bytes32 => bool) public cancelled;\n\n // Mapping of makerAddress => senderAddress => lowest salt an order can have in order to be fillable\n // Orders with specified senderAddress and with a salt less than their epoch are considered cancelled\n mapping (address => mapping (address => uint256)) public orderEpoch;\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external\n nonReentrant\n {\n address makerAddress = getCurrentContextAddress();\n // If this function is called via `executeTransaction`, we only update the orderEpoch for the makerAddress/msg.sender combination.\n // This allows external filter contracts to add rules to how orders are cancelled via this function.\n address senderAddress = makerAddress == msg.sender ? address(0) : msg.sender;\n\n // orderEpoch is initialized to 0, so to cancelUpTo we need salt + 1\n uint256 newOrderEpoch = targetOrderEpoch + 1; \n uint256 oldOrderEpoch = orderEpoch[makerAddress][senderAddress];\n\n // Ensure orderEpoch is monotonically increasing\n require(\n newOrderEpoch > oldOrderEpoch, \n \"INVALID_NEW_ORDER_EPOCH\"\n );\n\n // Update orderEpoch\n orderEpoch[makerAddress][senderAddress] = newOrderEpoch;\n emit CancelUpTo(\n makerAddress,\n senderAddress,\n newOrderEpoch\n );\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrder(Order memory order)\n public\n nonReentrant\n {\n cancelOrderInternal(order);\n }\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(Order memory order)\n public\n view\n returns (OrderInfo memory orderInfo)\n {\n // Compute the order hash\n orderInfo.orderHash = getOrderHash(order);\n\n // Fetch filled amount\n orderInfo.orderTakerAssetFilledAmount = filled[orderInfo.orderHash];\n\n // If order.makerAssetAmount is zero, we also reject the order.\n // While the Exchange contract handles them correctly, they create\n // edge cases in the supporting infrastructure because they have\n // an 'infinite' price when computed by a simple division.\n if (order.makerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_MAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // If order.takerAssetAmount is zero, then the order will always\n // be considered filled because 0 == takerAssetAmount == orderTakerAssetFilledAmount\n // Instead of distinguishing between unfilled and filled zero taker\n // amount orders, we choose not to support them.\n if (order.takerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_TAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // Validate order availability\n if (orderInfo.orderTakerAssetFilledAmount >= order.takerAssetAmount) {\n orderInfo.orderStatus = uint8(OrderStatus.FULLY_FILLED);\n return orderInfo;\n }\n\n // Validate order expiration\n // solhint-disable-next-line not-rely-on-time\n if (block.timestamp >= order.expirationTimeSeconds) {\n orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);\n return orderInfo;\n }\n\n // Check if order has been cancelled\n if (cancelled[orderInfo.orderHash]) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n if (orderEpoch[order.makerAddress][order.senderAddress] > order.salt) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n\n // All other statuses are ruled out: order is Fillable\n orderInfo.orderStatus = uint8(OrderStatus.FILLABLE);\n return orderInfo;\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // Fetch order info\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Assert that the order is fillable by taker\n assertFillableOrder(\n order,\n orderInfo,\n takerAddress,\n signature\n );\n \n // Get amount of takerAsset to fill\n uint256 remainingTakerAssetAmount = safeSub(order.takerAssetAmount, orderInfo.orderTakerAssetFilledAmount);\n uint256 takerAssetFilledAmount = min256(takerAssetFillAmount, remainingTakerAssetAmount);\n\n // Validate context\n assertValidFill(\n order,\n orderInfo,\n takerAssetFillAmount,\n takerAssetFilledAmount,\n fillResults.makerAssetFilledAmount\n );\n\n // Compute proportional fill amounts\n fillResults = calculateFillResults(order, takerAssetFilledAmount);\n\n // Update exchange internal state\n updateFilledState(\n order,\n takerAddress,\n orderInfo.orderHash,\n orderInfo.orderTakerAssetFilledAmount,\n fillResults\n );\n \n // Settle order\n settleOrder(\n order,\n takerAddress,\n fillResults\n );\n\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrderInternal(Order memory order)\n internal\n {\n // Fetch current order status\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Validate context\n assertValidCancel(order, orderInfo);\n\n // Perform cancel\n updateCancelledState(order, orderInfo.orderHash);\n }\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n function updateFilledState(\n Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n FillResults memory fillResults\n )\n internal\n {\n // Update state\n filled[orderHash] = safeAdd(orderTakerAssetFilledAmount, fillResults.takerAssetFilledAmount);\n\n // Log order\n emit Fill(\n order.makerAddress,\n order.feeRecipientAddress,\n takerAddress,\n msg.sender,\n fillResults.makerAssetFilledAmount,\n fillResults.takerAssetFilledAmount,\n fillResults.makerFeePaid,\n fillResults.takerFeePaid,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n Order memory order,\n bytes32 orderHash\n )\n internal\n {\n // Perform cancel\n cancelled[orderHash] = true;\n\n // Log cancel\n emit Cancel(\n order.makerAddress,\n order.feeRecipientAddress,\n msg.sender,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n Order memory order,\n OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view\n {\n // An order can only be filled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n \n // Validate sender is allowed to fill this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n \n // Validate taker is allowed to fill this order\n if (order.takerAddress != address(0)) {\n require(\n order.takerAddress == takerAddress,\n \"INVALID_TAKER\"\n );\n }\n \n // Validate Maker signature (check only if first time seen)\n if (orderInfo.orderTakerAssetFilledAmount == 0) {\n require(\n isValidSignature(\n orderInfo.orderHash,\n order.makerAddress,\n signature\n ),\n \"INVALID_ORDER_SIGNATURE\"\n );\n }\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n Order memory order,\n OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount, // TODO: use FillResults\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view\n {\n // Revert if fill amount is invalid\n // TODO: reconsider necessity for v2.1\n require(\n takerAssetFillAmount != 0,\n \"INVALID_TAKER_AMOUNT\"\n );\n \n // Make sure taker does not pay more than desired amount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n takerAssetFilledAmount <= takerAssetFillAmount,\n \"TAKER_OVERPAY\"\n );\n \n // Make sure order is not overfilled\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeAdd(orderInfo.orderTakerAssetFilledAmount, takerAssetFilledAmount) <= order.takerAssetAmount,\n \"ORDER_OVERFILL\"\n );\n \n // Make sure order is filled at acceptable price.\n // The order has an implied price from the makers perspective:\n // order price = order.makerAssetAmount / order.takerAssetAmount\n // i.e. the number of makerAsset maker is paying per takerAsset. The\n // maker is guaranteed to get this price or a better (lower) one. The\n // actual price maker is getting in this fill is:\n // fill price = makerAssetFilledAmount / takerAssetFilledAmount\n // We need `fill price <= order price` for the fill to be fair to maker.\n // This amounts to:\n // makerAssetFilledAmount order.makerAssetAmount\n // ------------------------ <= -----------------------\n // takerAssetFilledAmount order.takerAssetAmount\n // or, equivalently:\n // makerAssetFilledAmount * order.takerAssetAmount <=\n // order.makerAssetAmount * takerAssetFilledAmount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeMul(makerAssetFilledAmount, order.takerAssetAmount)\n <= \n safeMul(order.makerAssetAmount, takerAssetFilledAmount),\n \"INVALID_FILL_PRICE\"\n );\n }\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n Order memory order,\n OrderInfo memory orderInfo\n )\n internal\n view\n {\n // Ensure order is valid\n // An order can only be cancelled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Validate sender is allowed to cancel this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate transaction signed by maker\n address makerAddress = getCurrentContextAddress();\n require(\n order.makerAddress == makerAddress,\n \"INVALID_MAKER\"\n );\n }\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (FillResults memory fillResults)\n {\n // Compute proportional transfer amounts\n fillResults.takerAssetFilledAmount = takerAssetFilledAmount;\n fillResults.makerAssetFilledAmount = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n );\n fillResults.makerFeePaid = safeGetPartialAmountFloor(\n fillResults.makerAssetFilledAmount,\n order.makerAssetAmount,\n order.makerFee\n );\n fillResults.takerFeePaid = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.takerFee\n );\n\n return fillResults;\n }\n\n /// @dev Settles an order by transferring assets between counterparties.\n /// @param order Order struct containing order specifications.\n /// @param takerAddress Address selling takerAsset and buying makerAsset.\n /// @param fillResults Amounts to be filled and fees paid by maker and taker.\n function settleOrder(\n LibOrder.Order memory order,\n address takerAddress,\n LibFillResults.FillResults memory fillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n dispatchTransferFrom(\n order.makerAssetData,\n order.makerAddress,\n takerAddress,\n fillResults.makerAssetFilledAmount\n );\n dispatchTransferFrom(\n order.takerAssetData,\n takerAddress,\n order.makerAddress,\n fillResults.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n zrxAssetData,\n order.makerAddress,\n order.feeRecipientAddress,\n fillResults.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n order.feeRecipientAddress,\n fillResults.takerFeePaid\n );\n }\n}\n", - "2.0.0/protocol/Exchange/MixinMatchOrders.sol": "/*\n Copyright 2018 ZeroEx Intl.\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n http://www.apache.org/licenses/LICENSE-2.0\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MMatchOrders.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinMatchOrders is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n MAssetProxyDispatcher,\n MExchangeCore,\n MMatchOrders,\n MTransactions\n{\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n nonReentrant\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We assume that rightOrder.takerAssetData == leftOrder.makerAssetData and rightOrder.makerAssetData == leftOrder.takerAssetData.\n // If this assumption isn't true, the match will fail at signature validation.\n rightOrder.makerAssetData = leftOrder.takerAssetData;\n rightOrder.takerAssetData = leftOrder.makerAssetData;\n\n // Get left & right order info\n LibOrder.OrderInfo memory leftOrderInfo = getOrderInfo(leftOrder);\n LibOrder.OrderInfo memory rightOrderInfo = getOrderInfo(rightOrder);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Either our context is valid or we revert\n assertFillableOrder(\n leftOrder,\n leftOrderInfo,\n takerAddress,\n leftSignature\n );\n assertFillableOrder(\n rightOrder,\n rightOrderInfo,\n takerAddress,\n rightSignature\n );\n assertValidMatch(leftOrder, rightOrder);\n\n // Compute proportional fill amounts\n matchedFillResults = calculateMatchedFillResults(\n leftOrder,\n rightOrder,\n leftOrderInfo.orderTakerAssetFilledAmount,\n rightOrderInfo.orderTakerAssetFilledAmount\n );\n\n // Validate fill contexts\n assertValidFill(\n leftOrder,\n leftOrderInfo,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.makerAssetFilledAmount\n );\n assertValidFill(\n rightOrder,\n rightOrderInfo,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n \n // Update exchange state\n updateFilledState(\n leftOrder,\n takerAddress,\n leftOrderInfo.orderHash,\n leftOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.left\n );\n updateFilledState(\n rightOrder,\n takerAddress,\n rightOrderInfo.orderHash,\n rightOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.right\n );\n\n // Settle matched orders. Succeeds or throws.\n settleMatchedOrders(\n leftOrder,\n rightOrder,\n takerAddress,\n matchedFillResults\n );\n\n return matchedFillResults;\n }\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure\n {\n // Make sure there is a profitable spread.\n // There is a profitable spread iff the cost per unit bought (OrderA.MakerAmount/OrderA.TakerAmount) for each order is greater\n // than the profit per unit sold of the matched order (OrderB.TakerAmount/OrderB.MakerAmount).\n // This is satisfied by the equations below:\n // / >= / \n // AND\n // / >= / \n // These equations can be combined to get the following:\n require(\n safeMul(leftOrder.makerAssetAmount, rightOrder.makerAssetAmount) >=\n safeMul(leftOrder.takerAssetAmount, rightOrder.takerAssetAmount),\n \"NEGATIVE_SPREAD_REQUIRED\"\n );\n }\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // Derive maker asset amounts for left & right orders, given store taker assert amounts\n uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);\n uint256 leftMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n leftTakerAssetAmountRemaining\n );\n uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);\n uint256 rightMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n rightOrder.makerAssetAmount,\n rightOrder.takerAssetAmount,\n rightTakerAssetAmountRemaining\n );\n\n // Calculate fill results for maker and taker assets: at least one order will be fully filled.\n // The maximum amount the left maker can buy is `leftTakerAssetAmountRemaining`\n // The maximum amount the right maker can sell is `rightMakerAssetAmountRemaining`\n // We have two distinct cases for calculating the fill results:\n // Case 1.\n // If the left maker can buy more than the right maker can sell, then only the right order is fully filled.\n // If the left maker can buy exactly what the right maker can sell, then both orders are fully filled.\n // Case 2.\n // If the left maker cannot buy more than the right maker can sell, then only the left order is fully filled.\n if (leftTakerAssetAmountRemaining >= rightMakerAssetAmountRemaining) {\n // Case 1: Right order is fully filled\n matchedFillResults.right.makerAssetFilledAmount = rightMakerAssetAmountRemaining;\n matchedFillResults.right.takerAssetFilledAmount = rightTakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = matchedFillResults.right.makerAssetFilledAmount;\n // Round down to ensure the maker's exchange rate does not exceed the price specified by the order. \n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.left.makerAssetFilledAmount = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n matchedFillResults.left.takerAssetFilledAmount\n );\n } else {\n // Case 2: Left order is fully filled\n matchedFillResults.left.makerAssetFilledAmount = leftMakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = leftTakerAssetAmountRemaining;\n matchedFillResults.right.makerAssetFilledAmount = matchedFillResults.left.takerAssetFilledAmount;\n // Round up to ensure the maker's exchange rate does not exceed the price specified by the order.\n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.right.takerAssetFilledAmount = safeGetPartialAmountCeil(\n rightOrder.takerAssetAmount,\n rightOrder.makerAssetAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n }\n\n // Calculate amount given to taker\n matchedFillResults.leftMakerAssetSpreadAmount = safeSub(\n matchedFillResults.left.makerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount\n );\n\n // Compute fees for left order\n matchedFillResults.left.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.makerAssetFilledAmount,\n leftOrder.makerAssetAmount,\n leftOrder.makerFee\n );\n matchedFillResults.left.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.takerAssetFilledAmount,\n leftOrder.takerAssetAmount,\n leftOrder.takerFee\n );\n\n // Compute fees for right order\n matchedFillResults.right.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.makerAssetFilledAmount,\n rightOrder.makerAssetAmount,\n rightOrder.makerFee\n );\n matchedFillResults.right.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.takerAssetFilledAmount,\n rightOrder.takerAssetAmount,\n rightOrder.takerFee\n );\n\n // Return fill results\n return matchedFillResults;\n }\n\n /// @dev Settles matched order by transferring appropriate funds between order makers, taker, and fee recipient.\n /// @param leftOrder First matched order.\n /// @param rightOrder Second matched order.\n /// @param takerAddress Address that matched the orders. The taker receives the spread between orders as profit.\n /// @param matchedFillResults Struct holding amounts to transfer between makers, taker, and fee recipients.\n function settleMatchedOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n address takerAddress,\n LibFillResults.MatchedFillResults memory matchedFillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n // Order makers and taker\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n rightOrder.makerAddress,\n matchedFillResults.right.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n rightOrder.makerAssetData,\n rightOrder.makerAddress,\n leftOrder.makerAddress,\n matchedFillResults.left.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n takerAddress,\n matchedFillResults.leftMakerAssetSpreadAmount\n );\n\n // Maker fees\n dispatchTransferFrom(\n zrxAssetData,\n leftOrder.makerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n rightOrder.makerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.makerFeePaid\n );\n\n // Taker fees\n if (leftOrder.feeRecipientAddress == rightOrder.feeRecipientAddress) {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n safeAdd(\n matchedFillResults.left.takerFeePaid,\n matchedFillResults.right.takerFeePaid\n )\n );\n } else {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.takerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.takerFeePaid\n );\n }\n }\n}\n", - "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./interfaces/IWallet.sol\";\nimport \"./interfaces/IValidator.sol\";\n\n\ncontract MixinSignatureValidator is\n ReentrancyGuard,\n MSignatureValidator,\n MTransactions\n{\n using LibBytes for bytes;\n \n // Mapping of hash => signer => signed\n mapping (bytes32 => mapping (address => bool)) public preSigned;\n\n // Mapping of signer => validator => approved\n mapping (address => mapping (address => bool)) public allowedValidators;\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n {\n if (signerAddress != msg.sender) {\n require(\n isValidSignature(\n hash,\n signerAddress,\n signature\n ),\n \"INVALID_SIGNATURE\"\n );\n }\n preSigned[hash][signerAddress] = true;\n }\n\n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external\n nonReentrant\n {\n address signerAddress = getCurrentContextAddress();\n allowedValidators[signerAddress][validatorAddress] = approval;\n emit SignatureValidatorApproval(\n signerAddress,\n validatorAddress,\n approval\n );\n }\n\n /// @dev Verifies that a hash has been signed by the given signer.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid)\n {\n require(\n signature.length > 0,\n \"LENGTH_GREATER_THAN_0_REQUIRED\"\n );\n\n // Pop last byte off of signature byte array.\n uint8 signatureTypeRaw = uint8(signature.popLastByte());\n\n // Ensure signature is supported\n require(\n signatureTypeRaw < uint8(SignatureType.NSignatureTypes),\n \"SIGNATURE_UNSUPPORTED\"\n );\n\n SignatureType signatureType = SignatureType(signatureTypeRaw);\n\n // Variables are not scoped in Solidity.\n uint8 v;\n bytes32 r;\n bytes32 s;\n address recovered;\n\n // Always illegal signature.\n // This is always an implicit option since a signer can create a\n // signature array with invalid type or length. We may as well make\n // it an explicit option. This aids testing and analysis. It is\n // also the initialization value for the enum type.\n if (signatureType == SignatureType.Illegal) {\n revert(\"SIGNATURE_ILLEGAL\");\n\n // Always invalid signature.\n // Like Illegal, this is always implicitly available and therefore\n // offered explicitly. It can be implicitly created by providing\n // a correctly formatted but incorrect signature.\n } else if (signatureType == SignatureType.Invalid) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = false;\n return isValid;\n\n // Signature using EIP712\n } else if (signatureType == SignatureType.EIP712) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n hash,\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signed using web3.eth_sign\n } else if (signatureType == SignatureType.EthSign) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n32\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signature verified by wallet contract.\n // If used with an order, the maker of the order is the wallet contract.\n } else if (signatureType == SignatureType.Wallet) {\n isValid = isValidWalletSignature(\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signature verified by validator contract.\n // If used with an order, the maker of the order can still be an EOA.\n // A signature using this type should be encoded as:\n // | Offset | Length | Contents |\n // | 0x00 | x | Signature to validate |\n // | 0x00 + x | 20 | Address of validator contract |\n // | 0x14 + x | 1 | Signature type is always \"\\x06\" |\n } else if (signatureType == SignatureType.Validator) {\n // Pop last 20 bytes off of signature byte array.\n address validatorAddress = signature.popLast20Bytes();\n \n // Ensure signer has approved validator.\n if (!allowedValidators[signerAddress][validatorAddress]) {\n return false;\n }\n isValid = isValidValidatorSignature(\n validatorAddress,\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signer signed hash previously using the preSign function.\n } else if (signatureType == SignatureType.PreSigned) {\n isValid = preSigned[hash][signerAddress];\n return isValid;\n }\n\n // Anything else is illegal (We do not return false because\n // the signature may actually be valid, just not in a format\n // that we currently support. In this case returning false\n // may lead the caller to incorrectly believe that the\n // signature was invalid.)\n revert(\"SIGNATURE_UNSUPPORTED\");\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if signature is valid for given wallet..\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IWallet(walletAddress).isValidSignature.selector,\n hash,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n walletAddress, // address of Wallet contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"WALLET_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000c57414c4c45545f4552524f5200000000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IValidator(signerAddress).isValidSignature.selector,\n hash,\n signerAddress,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n validatorAddress, // address of Validator contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"VALIDATOR_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f56414c494441544f525f4552524f5200000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n}\n", - "2.0.0/protocol/Exchange/MixinTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"./libs/LibExchangeErrors.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./libs/LibEIP712.sol\";\n\n\ncontract MixinTransactions is\n LibEIP712,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of transaction hash => executed\n // This prevents transactions from being executed more than once.\n mapping (bytes32 => bool) public transactions;\n\n // Address of current transaction signer\n address public currentContextAddress;\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external\n {\n // Prevent reentrancy\n require(\n currentContextAddress == address(0),\n \"REENTRANCY_ILLEGAL\"\n );\n\n bytes32 transactionHash = hashEIP712Message(hashZeroExTransaction(\n salt,\n signerAddress,\n data\n ));\n\n // Validate transaction has not been executed\n require(\n !transactions[transactionHash],\n \"INVALID_TX_HASH\"\n );\n\n // Transaction always valid if signer is sender of transaction\n if (signerAddress != msg.sender) {\n // Validate signature\n require(\n isValidSignature(\n transactionHash,\n signerAddress,\n signature\n ),\n \"INVALID_TX_SIGNATURE\"\n );\n\n // Set the current transaction signer\n currentContextAddress = signerAddress;\n }\n\n // Execute transaction\n transactions[transactionHash] = true;\n require(\n address(this).delegatecall(data),\n \"FAILED_EXECUTION\"\n );\n\n // Reset current transaction signer if it was previously updated\n if (signerAddress != msg.sender) {\n currentContextAddress = address(0);\n }\n }\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;\n bytes32 dataHash = keccak256(data);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,\n // salt,\n // bytes32(signerAddress),\n // keccak256(data)\n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, schemaHash) // hash of schema\n mstore(add(memPtr, 32), salt) // salt\n mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff)) // signerAddress\n mstore(add(memPtr, 96), dataHash) // hash of data\n\n // Compute hash\n result := keccak256(memPtr, 128)\n }\n return result;\n }\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address)\n {\n address currentContextAddress_ = currentContextAddress;\n address contextAddress = currentContextAddress_ == address(0) ? msg.sender : currentContextAddress_;\n return contextAddress;\n }\n}\n", - "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibAbiEncoder.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MWrapperFunctions.sol\";\n\n\ncontract MixinWrapperFunctions is\n ReentrancyGuard,\n LibMath,\n LibFillResults,\n LibAbiEncoder,\n MExchangeCore,\n MWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrKillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n // Delegate to `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := delegatecall(\n gas, // forward all gas\n address, // call address of this contract\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrKillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n \n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public\n nonReentrant\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n cancelOrderInternal(orders[i]);\n }\n }\n\n /// @dev Fetches information for all passed in orders.\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n LibOrder.OrderInfo[] memory ordersInfo = new LibOrder.OrderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n ordersInfo[i] = getOrderInfo(orders[i]);\n }\n return ordersInfo;\n }\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n require(\n fillResults.takerAssetFilledAmount == takerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return fillResults;\n }\n}\n", - "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssetProxyDispatcher {\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external;\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IExchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./IExchangeCore.sol\";\nimport \"./IMatchOrders.sol\";\nimport \"./ISignatureValidator.sol\";\nimport \"./ITransactions.sol\";\nimport \"./IAssetProxyDispatcher.sol\";\nimport \"./IWrapperFunctions.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract IExchange is\n IExchangeCore,\n IMatchOrders,\n ISignatureValidator,\n ITransactions,\n IAssetProxyDispatcher,\n IWrapperFunctions\n{}\n", - "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IExchangeCore {\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external;\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrder(LibOrder.Order memory order)\n public;\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(LibOrder.Order memory order)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IMatchOrders {\n\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n}\n", - "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ISignatureValidator {\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external;\n \n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external;\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address of signer.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\n\ncontract ITransactions {\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external;\n}\n", - "2.0.0/protocol/Exchange/interfaces/IValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IValidator {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IWallet {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IWrapperFunctions {\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public;\n\n /// @dev Fetches information for all passed in orders\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory);\n}\n", - "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./LibOrder.sol\";\n\n\ncontract LibAbiEncoder {\n\n /// @dev ABI encodes calldata for `fillOrder`.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return ABI encoded calldata for `fillOrder`.\n function abiEncodeFillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n pure\n returns (bytes memory fillOrderCalldata)\n {\n // We need to call MExchangeCore.fillOrder using a delegatecall in\n // assembly so that we can intercept a call that throws. For this, we\n // need the input encoded in memory in the Ethereum ABIv2 format [1].\n\n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0x00 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 0x00 | | 1. offset to order (*) |\n // | | 0x20 | | 2. takerAssetFillAmount |\n // | | 0x40 | | 3. offset to signature (*) |\n // | Data | | 12 * 32 | order: |\n // | | 0x000 | | 1. senderAddress |\n // | | 0x020 | | 2. makerAddress |\n // | | 0x040 | | 3. takerAddress |\n // | | 0x060 | | 4. feeRecipientAddress |\n // | | 0x080 | | 5. makerAssetAmount |\n // | | 0x0A0 | | 6. takerAssetAmount |\n // | | 0x0C0 | | 7. makerFeeAmount |\n // | | 0x0E0 | | 8. takerFeeAmount |\n // | | 0x100 | | 9. expirationTimeSeconds |\n // | | 0x120 | | 10. salt |\n // | | 0x140 | | 11. Offset to makerAssetData (*) |\n // | | 0x160 | | 12. Offset to takerAssetData (*) |\n // | | 0x180 | 32 | makerAssetData Length |\n // | | 0x1A0 | ** | makerAssetData Contents |\n // | | 0x1C0 | 32 | takerAssetData Length |\n // | | 0x1E0 | ** | takerAssetData Contents |\n // | | 0x200 | 32 | signature Length |\n // | | 0x220 | ** | signature Contents |\n\n // * Offsets are calculated from the beginning of the current area: Header, Params, Data:\n // An offset stored in the Params area is calculated from the beginning of the Params section.\n // An offset stored in the Data area is calculated from the beginning of the Data section.\n\n // ** The length of dynamic array contents are stored in the field immediately preceeding the contents.\n\n // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html\n\n assembly {\n\n // Areas below may use the following variables:\n // 1. Start -- Start of this area in memory\n // 2. End -- End of this area in memory. This value may\n // be precomputed (before writing contents),\n // or it may be computed as contents are written.\n // 3. Offset -- Current offset into area. If an area's End\n // is precomputed, this variable tracks the\n // offsets of contents as they are written.\n\n /////// Setup Header Area ///////\n // Load free memory pointer\n fillOrderCalldata := mload(0x40)\n // bytes4(keccak256(\"fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)\"))\n // = 0xb4be83d5\n // Leave 0x20 bytes to store the length\n mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000)\n let headerAreaEnd := add(fillOrderCalldata, 0x24)\n\n /////// Setup Params Area ///////\n // This area is preallocated and written to later.\n // This is because we need to fill in offsets that have not yet been calculated.\n let paramsAreaStart := headerAreaEnd\n let paramsAreaEnd := add(paramsAreaStart, 0x60)\n let paramsAreaOffset := paramsAreaStart\n\n /////// Setup Data Area ///////\n let dataAreaStart := paramsAreaEnd\n let dataAreaEnd := dataAreaStart\n\n // Offset from the source data we're reading from\n let sourceOffset := order\n // arrayLenBytes and arrayLenWords track the length of a dynamically-allocated bytes array.\n let arrayLenBytes := 0\n let arrayLenWords := 0\n\n /////// Write order Struct ///////\n // Write memory location of Order, relative to the start of the\n // parameter list, then increment the paramsAreaOffset respectively.\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n // Write values for each field in the order\n // It would be nice to use a loop, but we save on gas by writing\n // the stores sequentially.\n mstore(dataAreaEnd, mload(sourceOffset)) // makerAddress\n mstore(add(dataAreaEnd, 0x20), mload(add(sourceOffset, 0x20))) // takerAddress\n mstore(add(dataAreaEnd, 0x40), mload(add(sourceOffset, 0x40))) // feeRecipientAddress\n mstore(add(dataAreaEnd, 0x60), mload(add(sourceOffset, 0x60))) // senderAddress\n mstore(add(dataAreaEnd, 0x80), mload(add(sourceOffset, 0x80))) // makerAssetAmount\n mstore(add(dataAreaEnd, 0xA0), mload(add(sourceOffset, 0xA0))) // takerAssetAmount\n mstore(add(dataAreaEnd, 0xC0), mload(add(sourceOffset, 0xC0))) // makerFeeAmount\n mstore(add(dataAreaEnd, 0xE0), mload(add(sourceOffset, 0xE0))) // takerFeeAmount\n mstore(add(dataAreaEnd, 0x100), mload(add(sourceOffset, 0x100))) // expirationTimeSeconds\n mstore(add(dataAreaEnd, 0x120), mload(add(sourceOffset, 0x120))) // salt\n mstore(add(dataAreaEnd, 0x140), mload(add(sourceOffset, 0x140))) // Offset to makerAssetData\n mstore(add(dataAreaEnd, 0x160), mload(add(sourceOffset, 0x160))) // Offset to takerAssetData\n dataAreaEnd := add(dataAreaEnd, 0x180)\n sourceOffset := add(sourceOffset, 0x180)\n\n // Write offset to \n mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x140)) // makerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Write offset to \n mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x160)) // takerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n /////// Write takerAssetFillAmount ///////\n mstore(paramsAreaOffset, takerAssetFillAmount)\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n /////// Write signature ///////\n // Write offset to paramsArea\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n\n // Calculate length of signature\n sourceOffset := signature\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of signature\n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of signature\n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Set length of calldata\n mstore(fillOrderCalldata, sub(dataAreaEnd, add(fillOrderCalldata, 0x20)))\n\n // Increment free memory pointer\n mstore(0x40, dataAreaEnd)\n }\n\n return fillOrderCalldata;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\n// solhint-disable max-line-length\ncontract LibConstants {\n \n // Asset data for ZRX token. Used for fee transfers.\n // @TODO: Hardcode constant when we deploy. Currently \n // not constant to make testing easier.\n\n // The proxyId for ZRX_ASSET_DATA is bytes4(keccak256(\"ERC20Token(address)\")) = 0xf47261b0\n \n // Kovan ZRX address is 0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570.\n // The ABI encoded proxyId and address is 0xf47261b00000000000000000000000006ff6c0ff1d68b964901f986d4c9fa3ac68346570\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x6f\\xf6\\xc0\\xff\\x1d\\x68\\xb9\\x64\\x90\\x1f\\x98\\x6d\\x4c\\x9f\\xa3\\xac\\x68\\x34\\x65\\x70\";\n \n // Mainnet ZRX address is 0xe41d2489571d322189246dafa5ebde1f4699f498.\n // The ABI encoded proxyId and address is 0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\n bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xe4\\x1d\\x24\\x89\\x57\\x1d\\x32\\x21\\x89\\x24\\x6d\\xaf\\xa5\\xeb\\xde\\x1f\\x46\\x99\\xf4\\x98\";\n}\n// solhint-enable max-line-length\n", - "2.0.0/protocol/Exchange/libs/LibEIP712.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract LibEIP712 {\n\n // EIP191 header for EIP712 prefix\n string constant internal EIP191_HEADER = \"\\x19\\x01\";\n\n // EIP712 Domain Name value\n string constant internal EIP712_DOMAIN_NAME = \"0x Protocol\";\n\n // EIP712 Domain Version value\n string constant internal EIP712_DOMAIN_VERSION = \"2\";\n\n // Hash of the EIP712 Domain Separator Schema\n bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"EIP712Domain(\",\n \"string name,\",\n \"string version,\",\n \"address verifyingContract\",\n \")\"\n ));\n\n // Hash of the EIP712 Domain Separator data\n // solhint-disable-next-line var-name-mixedcase\n bytes32 public EIP712_DOMAIN_HASH;\n\n constructor ()\n public\n {\n EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(\n EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,\n keccak256(bytes(EIP712_DOMAIN_NAME)),\n keccak256(bytes(EIP712_DOMAIN_VERSION)),\n bytes32(address(this))\n ));\n }\n\n /// @dev Calculates EIP712 encoding for a hash struct in this EIP712 Domain.\n /// @param hashStruct The EIP712 hash struct.\n /// @return EIP712 hash applied to this EIP712 Domain.\n function hashEIP712Message(bytes32 hashStruct)\n internal\n view\n returns (bytes32 result)\n {\n bytes32 eip712DomainHash = EIP712_DOMAIN_HASH;\n\n // Assembly for more efficient computing:\n // keccak256(abi.encodePacked(\n // EIP191_HEADER,\n // EIP712_DOMAIN_HASH,\n // hashStruct \n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, 0x1901000000000000000000000000000000000000000000000000000000000000) // EIP191 header\n mstore(add(memPtr, 2), eip712DomainHash) // EIP712 domain hash\n mstore(add(memPtr, 34), hashStruct) // Hash of struct\n\n // Compute hash\n result := keccak256(memPtr, 66)\n }\n return result;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity 0.4.24;\n\n\n/// @dev This contract documents the revert reasons used in the Exchange contract.\n/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons.\ncontract LibExchangeErrors {\n\n /// Order validation errors ///\n string constant ORDER_UNFILLABLE = \"ORDER_UNFILLABLE\"; // Order cannot be filled.\n string constant INVALID_MAKER = \"INVALID_MAKER\"; // Invalid makerAddress.\n string constant INVALID_TAKER = \"INVALID_TAKER\"; // Invalid takerAddress.\n string constant INVALID_SENDER = \"INVALID_SENDER\"; // Invalid `msg.sender`.\n string constant INVALID_ORDER_SIGNATURE = \"INVALID_ORDER_SIGNATURE\"; // Signature validation failed. \n \n /// fillOrder validation errors ///\n string constant INVALID_TAKER_AMOUNT = \"INVALID_TAKER_AMOUNT\"; // takerAssetFillAmount cannot equal 0.\n string constant ROUNDING_ERROR = \"ROUNDING_ERROR\"; // Rounding error greater than 0.1% of takerAssetFillAmount. \n \n /// Signature validation errors ///\n string constant INVALID_SIGNATURE = \"INVALID_SIGNATURE\"; // Signature validation failed. \n string constant SIGNATURE_ILLEGAL = \"SIGNATURE_ILLEGAL\"; // Signature type is illegal.\n string constant SIGNATURE_UNSUPPORTED = \"SIGNATURE_UNSUPPORTED\"; // Signature type unsupported.\n \n /// cancelOrdersUptTo errors ///\n string constant INVALID_NEW_ORDER_EPOCH = \"INVALID_NEW_ORDER_EPOCH\"; // Specified salt must be greater than or equal to existing orderEpoch.\n\n /// fillOrKillOrder errors ///\n string constant COMPLETE_FILL_FAILED = \"COMPLETE_FILL_FAILED\"; // Desired takerAssetFillAmount could not be completely filled. \n\n /// matchOrders errors ///\n string constant NEGATIVE_SPREAD_REQUIRED = \"NEGATIVE_SPREAD_REQUIRED\"; // Matched orders must have a negative spread.\n\n /// Transaction errors ///\n string constant REENTRANCY_ILLEGAL = \"REENTRANCY_ILLEGAL\"; // Recursive reentrancy is not allowed. \n string constant INVALID_TX_HASH = \"INVALID_TX_HASH\"; // Transaction has already been executed. \n string constant INVALID_TX_SIGNATURE = \"INVALID_TX_SIGNATURE\"; // Signature validation failed. \n string constant FAILED_EXECUTION = \"FAILED_EXECUTION\"; // Transaction execution failed. \n \n /// registerAssetProxy errors ///\n string constant ASSET_PROXY_ALREADY_EXISTS = \"ASSET_PROXY_ALREADY_EXISTS\"; // AssetProxy with same id already exists.\n\n /// dispatchTransferFrom errors ///\n string constant ASSET_PROXY_DOES_NOT_EXIST = \"ASSET_PROXY_DOES_NOT_EXIST\"; // No assetProxy registered at given id.\n string constant TRANSFER_FAILED = \"TRANSFER_FAILED\"; // Asset transfer unsuccesful.\n\n /// Length validation errors ///\n string constant LENGTH_GREATER_THAN_0_REQUIRED = \"LENGTH_GREATER_THAN_0_REQUIRED\"; // Byte array must have a length greater than 0.\n string constant LENGTH_GREATER_THAN_3_REQUIRED = \"LENGTH_GREATER_THAN_3_REQUIRED\"; // Byte array must have a length greater than 3.\n string constant LENGTH_0_REQUIRED = \"LENGTH_0_REQUIRED\"; // Byte array must have a length of 0.\n string constant LENGTH_65_REQUIRED = \"LENGTH_65_REQUIRED\"; // Byte array must have a length of 65.\n}\n", - "2.0.0/protocol/Exchange/libs/LibFillResults.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibFillResults is\n SafeMath\n{\n struct FillResults {\n uint256 makerAssetFilledAmount; // Total amount of makerAsset(s) filled.\n uint256 takerAssetFilledAmount; // Total amount of takerAsset(s) filled.\n uint256 makerFeePaid; // Total amount of ZRX paid by maker(s) to feeRecipient(s).\n uint256 takerFeePaid; // Total amount of ZRX paid by taker to feeRecipients(s).\n }\n\n struct MatchedFillResults {\n FillResults left; // Amounts filled and fees paid of left order.\n FillResults right; // Amounts filled and fees paid of right order.\n uint256 leftMakerAssetSpreadAmount; // Spread between price of left and right order, denominated in the left order's makerAsset, paid to taker.\n }\n\n /// @dev Adds properties of both FillResults instances.\n /// Modifies the first FillResults instance specified.\n /// @param totalFillResults Fill results instance that will be added onto.\n /// @param singleFillResults Fill results instance that will be added to totalFillResults.\n function addFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)\n internal\n pure\n {\n totalFillResults.makerAssetFilledAmount = safeAdd(totalFillResults.makerAssetFilledAmount, singleFillResults.makerAssetFilledAmount);\n totalFillResults.takerAssetFilledAmount = safeAdd(totalFillResults.takerAssetFilledAmount, singleFillResults.takerAssetFilledAmount);\n totalFillResults.makerFeePaid = safeAdd(totalFillResults.makerFeePaid, singleFillResults.makerFeePaid);\n totalFillResults.takerFeePaid = safeAdd(totalFillResults.takerFeePaid, singleFillResults.takerFeePaid);\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibMath.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibMath is\n SafeMath\n{\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function safeGetPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorFloor(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function safeGetPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorCeil(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function getPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function getPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // The absolute rounding error is the difference between the rounded\n // value and the ideal value. The relative rounding error is the\n // absolute rounding error divided by the absolute value of the\n // ideal value. This is undefined when the ideal value is zero.\n //\n // The ideal value is `numerator * target / denominator`.\n // Let's call `numerator * target % denominator` the remainder.\n // The absolute error is `remainder / denominator`.\n //\n // When the ideal value is zero, we require the absolute error to\n // be zero. Fortunately, this is always the case. The ideal value is\n // zero iff `numerator == 0` and/or `target == 0`. In this case the\n // remainder and absolute error are also zero. \n if (target == 0 || numerator == 0) {\n return false;\n }\n \n // Otherwise, we want the relative rounding error to be strictly\n // less than 0.1%.\n // The relative error is `remainder / (numerator * target)`.\n // We want the relative error less than 1 / 1000:\n // remainder / (numerator * denominator) < 1 / 1000\n // or equivalently:\n // 1000 * remainder < numerator * target\n // so we have a rounding error iff:\n // 1000 * remainder >= numerator * target\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding up.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // See the comments in `isRoundingError`.\n if (target == 0 || numerator == 0) {\n // When either is zero, the ideal value and rounded value are zero\n // and there is no rounding error. (Although the relative error\n // is undefined.)\n return false;\n }\n // Compute remainder as before\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n remainder = safeSub(denominator, remainder) % denominator;\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibOrder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./LibEIP712.sol\";\n\n\ncontract LibOrder is\n LibEIP712\n{\n // Hash for the EIP712 Order Schema\n bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"Order(\",\n \"address makerAddress,\",\n \"address takerAddress,\",\n \"address feeRecipientAddress,\",\n \"address senderAddress,\",\n \"uint256 makerAssetAmount,\",\n \"uint256 takerAssetAmount,\",\n \"uint256 makerFee,\",\n \"uint256 takerFee,\",\n \"uint256 expirationTimeSeconds,\",\n \"uint256 salt,\",\n \"bytes makerAssetData,\",\n \"bytes takerAssetData\",\n \")\"\n ));\n\n // A valid order remains fillable until it is expired, fully filled, or cancelled.\n // An order's state is unaffected by external factors, like account balances.\n enum OrderStatus {\n INVALID, // Default value\n INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount\n INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount\n FILLABLE, // Order is fillable\n EXPIRED, // Order has already expired\n FULLY_FILLED, // Order is fully filled\n CANCELLED // Order has been cancelled\n }\n\n // solhint-disable max-line-length\n struct Order {\n address makerAddress; // Address that created the order. \n address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order. \n address feeRecipientAddress; // Address that will recieve fees when order is filled. \n address senderAddress; // Address that is allowed to call Exchange contract methods that affect this order. If set to 0, any address is allowed to call these methods.\n uint256 makerAssetAmount; // Amount of makerAsset being offered by maker. Must be greater than 0. \n uint256 takerAssetAmount; // Amount of takerAsset being bid on by maker. Must be greater than 0. \n uint256 makerFee; // Amount of ZRX paid to feeRecipient by maker when order is filled. If set to 0, no transfer of ZRX from maker to feeRecipient will be attempted.\n uint256 takerFee; // Amount of ZRX paid to feeRecipient by taker when order is filled. If set to 0, no transfer of ZRX from taker to feeRecipient will be attempted.\n uint256 expirationTimeSeconds; // Timestamp in seconds at which order expires. \n uint256 salt; // Arbitrary number to facilitate uniqueness of the order's hash. \n bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.\n bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.\n }\n // solhint-enable max-line-length\n\n struct OrderInfo {\n uint8 orderStatus; // Status that describes order's validity and fillability.\n bytes32 orderHash; // EIP712 hash of the order (see LibOrder.getOrderHash).\n uint256 orderTakerAssetFilledAmount; // Amount of order that has already been filled.\n }\n\n /// @dev Calculates Keccak-256 hash of the order.\n /// @param order The order structure.\n /// @return Keccak-256 EIP712 hash of the order.\n function getOrderHash(Order memory order)\n internal\n view\n returns (bytes32 orderHash)\n {\n orderHash = hashEIP712Message(hashOrder(order));\n return orderHash;\n }\n\n /// @dev Calculates EIP712 hash of the order.\n /// @param order The order structure.\n /// @return EIP712 hash of the order.\n function hashOrder(Order memory order)\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ORDER_SCHEMA_HASH;\n bytes32 makerAssetDataHash = keccak256(order.makerAssetData);\n bytes32 takerAssetDataHash = keccak256(order.takerAssetData);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ORDER_SCHEMA_HASH,\n // bytes32(order.makerAddress),\n // bytes32(order.takerAddress),\n // bytes32(order.feeRecipientAddress),\n // bytes32(order.senderAddress),\n // order.makerAssetAmount,\n // order.takerAssetAmount,\n // order.makerFee,\n // order.takerFee,\n // order.expirationTimeSeconds,\n // order.salt,\n // keccak256(order.makerAssetData),\n // keccak256(order.takerAssetData)\n // ));\n\n assembly {\n // Calculate memory addresses that will be swapped out before hashing\n let pos1 := sub(order, 32)\n let pos2 := add(order, 320)\n let pos3 := add(order, 352)\n\n // Backup\n let temp1 := mload(pos1)\n let temp2 := mload(pos2)\n let temp3 := mload(pos3)\n \n // Hash in place\n mstore(pos1, schemaHash)\n mstore(pos2, makerAssetDataHash)\n mstore(pos3, takerAssetDataHash)\n result := keccak256(pos1, 416)\n \n // Restore\n mstore(pos1, temp1)\n mstore(pos2, temp2)\n mstore(pos3, temp3)\n }\n return result;\n }\n}\n", - "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssetProxyDispatcher.sol\";\n\n\ncontract MAssetProxyDispatcher is\n IAssetProxyDispatcher\n{\n // Logs registration of new asset proxy\n event AssetProxyRegistered(\n bytes4 id, // Id of new registered AssetProxy.\n address assetProxy // Address of new registered AssetProxy.\n );\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal;\n}\n", - "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IExchangeCore.sol\";\n\n\ncontract MExchangeCore is\n IExchangeCore\n{\n // Fill event is emitted whenever an order is filled.\n event Fill(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that received fees.\n address takerAddress, // Address that filled the order.\n address senderAddress, // Address that called the Exchange contract (msg.sender).\n uint256 makerAssetFilledAmount, // Amount of makerAsset sold by maker and bought by taker. \n uint256 takerAssetFilledAmount, // Amount of takerAsset sold by taker and bought by maker.\n uint256 makerFeePaid, // Amount of ZRX paid to feeRecipient by maker.\n uint256 takerFeePaid, // Amount of ZRX paid to feeRecipient by taker.\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // Cancel event is emitted whenever an individual order is cancelled.\n event Cancel(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that would have recieved fees if order was filled. \n address senderAddress, // Address that called the Exchange contract (msg.sender).\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // CancelUpTo event is emitted whenever `cancelOrdersUpTo` is executed succesfully.\n event CancelUpTo(\n address indexed makerAddress, // Orders cancelled must have been created by this address.\n address indexed senderAddress, // Orders cancelled must have a `senderAddress` equal to this address.\n uint256 orderEpoch // Orders with specified makerAddress and senderAddress with a salt less than this value are considered cancelled.\n );\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrderInternal(LibOrder.Order memory order)\n internal;\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function updateFilledState(\n LibOrder.Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n LibFillResults.FillResults memory fillResults\n )\n internal;\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n LibOrder.Order memory order,\n bytes32 orderHash\n )\n internal;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo Status, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view;\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo\n )\n internal\n view;\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n LibOrder.Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.FillResults memory fillResults);\n\n}\n", - "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IMatchOrders.sol\";\n\n\ncontract MMatchOrders is\n IMatchOrders\n{\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure;\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n\n}\n", - "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/ISignatureValidator.sol\";\n\n\ncontract MSignatureValidator is\n ISignatureValidator\n{\n event SignatureValidatorApproval(\n address indexed signerAddress, // Address that approves or disapproves a contract to verify signatures.\n address indexed validatorAddress, // Address of signature validator contract.\n bool approved // Approval or disapproval of validator contract.\n );\n\n // Allowed signature types.\n enum SignatureType {\n Illegal, // 0x00, default value\n Invalid, // 0x01\n EIP712, // 0x02\n EthSign, // 0x03\n Wallet, // 0x04\n Validator, // 0x05\n PreSigned, // 0x06\n NSignatureTypes // 0x07, number of signature types. Always leave at end.\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/mixins/MTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"../interfaces/ITransactions.sol\";\n\n\ncontract MTransactions is\n ITransactions\n{\n // Hash for the EIP712 ZeroEx Transaction Schema\n bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"ZeroExTransaction(\",\n \"uint256 salt,\",\n \"address signerAddress,\",\n \"bytes data\",\n \")\"\n ));\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result);\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address);\n}\n", - "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IWrapperFunctions.sol\";\n\n\ncontract MWrapperFunctions is \n IWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n}\n", - "2.0.0/tokens/ERC20Token/IERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n \n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n \n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", - "2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Token {\n\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(\n address indexed _owner,\n address indexed _approved,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(\n address indexed _owner,\n address indexed _operator,\n bool _approved\n );\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// perator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external;\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public;\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address);\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) \n public\n view\n returns (address);\n \n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool);\n}\n", - "2.0.0/tokens/EtherToken/IEtherToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/IERC20Token.sol\";\n\n\ncontract IEtherToken is\n IERC20Token\n{\n function deposit()\n public\n payable;\n \n function withdraw(uint256 amount)\n public;\n}\n", - "2.0.0/utils/LibBytes/LibBytes.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\nlibrary LibBytes {\n\n using LibBytes for bytes;\n\n /// @dev Gets the memory address for a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of byte array. This\n /// points to the header of the byte array which contains\n /// the length.\n function rawAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := input\n }\n return memoryAddress;\n }\n \n /// @dev Gets the memory address for the contents of a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of the contents of the byte array.\n function contentAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := add(input, 32)\n }\n return memoryAddress;\n }\n\n /// @dev Copies `length` bytes from memory location `source` to `dest`.\n /// @param dest memory address to copy bytes to.\n /// @param source memory address to copy bytes from.\n /// @param length number of bytes to copy.\n function memCopy(\n uint256 dest,\n uint256 source,\n uint256 length\n )\n internal\n pure\n {\n if (length < 32) {\n // Handle a partial word by reading destination and masking\n // off the bits we are interested in.\n // This correctly handles overlap, zero lengths and source == dest\n assembly {\n let mask := sub(exp(256, sub(32, length)), 1)\n let s := and(mload(source), not(mask))\n let d := and(mload(dest), mask)\n mstore(dest, or(s, d))\n }\n } else {\n // Skip the O(length) loop when source == dest.\n if (source == dest) {\n return;\n }\n\n // For large copies we copy whole words at a time. The final\n // word is aligned to the end of the range (instead of after the\n // previous) to handle partial words. So a copy will look like this:\n //\n // ####\n // ####\n // ####\n // ####\n //\n // We handle overlap in the source and destination range by\n // changing the copying direction. This prevents us from\n // overwriting parts of source that we still need to copy.\n //\n // This correctly handles source == dest\n //\n if (source > dest) {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because it\n // is easier to compare with in the loop, and these\n // are also the addresses we need for copying the\n // last bytes.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the last 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the last bytes in\n // source already due to overlap.\n let last := mload(sEnd)\n\n // Copy whole words front to back\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} lt(source, sEnd) {} {\n mstore(dest, mload(source))\n source := add(source, 32)\n dest := add(dest, 32)\n }\n \n // Write the last 32 bytes\n mstore(dEnd, last)\n }\n } else {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because those\n // are the starting points when copying a word at the end.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the first 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the first bytes in\n // source already due to overlap.\n let first := mload(source)\n\n // Copy whole words back to front\n // We use a signed comparisson here to allow dEnd to become\n // negative (happens when source and dest < 32). Valid\n // addresses in local memory will never be larger than\n // 2**255, so they can be safely re-interpreted as signed.\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} slt(dest, dEnd) {} {\n mstore(dEnd, mload(sEnd))\n sEnd := sub(sEnd, 32)\n dEnd := sub(dEnd, 32)\n }\n \n // Write the first 32 bytes\n mstore(dest, first)\n }\n }\n }\n }\n\n /// @dev Returns a slices from a byte array.\n /// @param b The byte array to take a slice from.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n function slice(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure and copy contents\n result = new bytes(to - from);\n memCopy(\n result.contentAddress(),\n b.contentAddress() + from,\n result.length\n );\n return result;\n }\n \n /// @dev Returns a slice from a byte array without preserving the input.\n /// @param b The byte array to take a slice from. Will be destroyed in the process.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n /// @dev When `from == 0`, the original array will match the slice. In other cases its state will be corrupted.\n function sliceDestructive(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure around [from, to) in-place.\n assembly {\n result := add(b, from)\n mstore(result, sub(to, from))\n }\n return result;\n }\n\n /// @dev Pops the last byte off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The byte that was popped off.\n function popLastByte(bytes memory b)\n internal\n pure\n returns (bytes1 result)\n {\n require(\n b.length > 0,\n \"GREATER_THAN_ZERO_LENGTH_REQUIRED\"\n );\n\n // Store last byte.\n result = b[b.length - 1];\n\n assembly {\n // Decrement length of byte array.\n let newLen := sub(mload(b), 1)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Pops the last 20 bytes off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The 20 byte address that was popped off.\n function popLast20Bytes(bytes memory b)\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= 20,\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Store last 20 bytes.\n result = readAddress(b, b.length - 20);\n\n assembly {\n // Subtract 20 from byte array length.\n let newLen := sub(mload(b), 20)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Tests equality of two byte arrays.\n /// @param lhs First byte array to compare.\n /// @param rhs Second byte array to compare.\n /// @return True if arrays are the same. False otherwise.\n function equals(\n bytes memory lhs,\n bytes memory rhs\n )\n internal\n pure\n returns (bool equal)\n {\n // Keccak gas cost is 30 + numWords * 6. This is a cheap way to compare.\n // We early exit on unequal lengths, but keccak would also correctly\n // handle this.\n return lhs.length == rhs.length && keccak256(lhs) == keccak256(rhs);\n }\n\n /// @dev Reads an address from a position in a byte array.\n /// @param b Byte array containing an address.\n /// @param index Index in byte array of address.\n /// @return address from byte array.\n function readAddress(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Read address from array memory\n assembly {\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 20-byte mask to obtain address\n result := and(mload(add(b, index)), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n return result;\n }\n\n /// @dev Writes an address into a specific position in a byte array.\n /// @param b Byte array to insert address into.\n /// @param index Index in byte array of address.\n /// @param input Address to put into byte array.\n function writeAddress(\n bytes memory b,\n uint256 index,\n address input\n )\n internal\n pure\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Store address into array memory\n assembly {\n // The address occupies 20 bytes and mstore stores 32 bytes.\n // First fetch the 32-byte word where we'll be storing the address, then\n // apply a mask so we have only the bytes in the word that the address will not occupy.\n // Then combine these bytes with the address and store the 32 bytes back to memory with mstore.\n\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 12-byte mask to obtain extra bytes occupying word of memory where we'll store the address\n let neighbors := and(\n mload(add(b, index)),\n 0xffffffffffffffffffffffff0000000000000000000000000000000000000000\n )\n \n // Make sure input address is clean.\n // (Solidity does not guarantee this)\n input := and(input, 0xffffffffffffffffffffffffffffffffffffffff)\n\n // Store the neighbors and address into memory\n mstore(add(b, index), xor(input, neighbors))\n }\n }\n\n /// @dev Reads a bytes32 value from a position in a byte array.\n /// @param b Byte array containing a bytes32 value.\n /// @param index Index in byte array of bytes32 value.\n /// @return bytes32 value from byte array.\n function readBytes32(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes32 result)\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n result := mload(add(b, index))\n }\n return result;\n }\n\n /// @dev Writes a bytes32 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes32 to put into byte array.\n function writeBytes32(\n bytes memory b,\n uint256 index,\n bytes32 input\n )\n internal\n pure\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n mstore(add(b, index), input)\n }\n }\n\n /// @dev Reads a uint256 value from a position in a byte array.\n /// @param b Byte array containing a uint256 value.\n /// @param index Index in byte array of uint256 value.\n /// @return uint256 value from byte array.\n function readUint256(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (uint256 result)\n {\n result = uint256(readBytes32(b, index));\n return result;\n }\n\n /// @dev Writes a uint256 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input uint256 to put into byte array.\n function writeUint256(\n bytes memory b,\n uint256 index,\n uint256 input\n )\n internal\n pure\n {\n writeBytes32(b, index, bytes32(input));\n }\n\n /// @dev Reads an unpadded bytes4 value from a position in a byte array.\n /// @param b Byte array containing a bytes4 value.\n /// @param index Index in byte array of bytes4 value.\n /// @return bytes4 value from byte array.\n function readBytes4(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes4 result)\n {\n require(\n b.length >= index + 4,\n \"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 32 byte length field\n index += 32;\n\n // Read the bytes4 from array memory\n assembly {\n result := mload(add(b, index))\n // Solidity does not require us to clean the trailing bytes.\n // We do it anyway\n result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)\n }\n return result;\n }\n\n /// @dev Reads nested bytes from a specific position.\n /// @dev NOTE: the returned value overlaps with the input value.\n /// Both should be treated as immutable.\n /// @param b Byte array containing nested bytes.\n /// @param index Index of nested bytes.\n /// @return result Nested bytes.\n function readBytesWithLength(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes memory result)\n {\n // Read length of nested bytes\n uint256 nestedBytesLength = readUint256(b, index);\n index += 32;\n\n // Assert length of is valid, given\n // length of nested bytes\n require(\n b.length >= index + nestedBytesLength,\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n \n // Return a pointer to the byte array as it exists inside `b`\n assembly {\n result := add(b, index)\n }\n return result;\n }\n\n /// @dev Inserts bytes at a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes to insert.\n function writeBytesWithLength(\n bytes memory b,\n uint256 index,\n bytes memory input\n )\n internal\n pure\n {\n // Assert length of is valid, given\n // length of input\n require(\n b.length >= index + 32 + input.length, // 32 bytes to store length\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n\n // Copy into \n memCopy(\n b.contentAddress() + index,\n input.rawAddress(), // includes length of \n input.length + 32 // +32 bytes to store length\n );\n }\n\n /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length.\n /// @param dest Byte array that will be overwritten with source bytes.\n /// @param source Byte array to copy onto dest bytes.\n function deepCopyBytes(\n bytes memory dest,\n bytes memory source\n )\n internal\n pure\n {\n uint256 sourceLen = source.length;\n // Dest length must be >= source length, or some bytes would not be copied.\n require(\n dest.length >= sourceLen,\n \"GREATER_OR_EQUAL_TO_SOURCE_BYTES_LENGTH_REQUIRED\"\n );\n memCopy(\n dest.contentAddress(),\n source.contentAddress(),\n sourceLen\n );\n }\n}\n", - "2.0.0/utils/Ownable/IOwnable.sol": "pragma solidity 0.4.24;\n\n\ncontract IOwnable {\n\n function transferOwnership(address newOwner)\n public;\n}\n", - "2.0.0/utils/Ownable/Ownable.sol": "pragma solidity 0.4.24;\n\nimport \"./IOwnable.sol\";\n\n\ncontract Ownable is\n IOwnable\n{\n address public owner;\n\n constructor ()\n public\n {\n owner = msg.sender;\n }\n\n modifier onlyOwner() {\n require(\n msg.sender == owner,\n \"ONLY_CONTRACT_OWNER\"\n );\n _;\n }\n\n function transferOwnership(address newOwner)\n public\n onlyOwner\n {\n if (newOwner != address(0)) {\n owner = newOwner;\n }\n }\n}\n", - "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ReentrancyGuard {\n\n // Locked state of mutex\n bool private locked = false;\n\n /// @dev Functions with this modifer cannot be reentered. The mutex will be locked\n /// before function execution and unlocked after.\n modifier nonReentrant() {\n // Ensure mutex is unlocked\n require(\n !locked,\n \"REENTRANCY_ILLEGAL\"\n );\n\n // Lock mutex before function call\n locked = true;\n\n // Perform function call\n _;\n\n // Unlock mutex after function call\n locked = false;\n }\n}\n", - "2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n\n function safeMul(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(\n c / a == b,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function safeDiv(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a / b;\n return c;\n }\n\n function safeSub(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n require(\n b <= a,\n \"UINT256_UNDERFLOW\"\n );\n return a - b;\n }\n\n function safeAdd(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a + b;\n require(\n c >= a,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function max64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n\n function max256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n}\n" - }, - "sourceTreeHashHex": "0xd4b411ae8c566bfc879b9880fcf5306a0b0b7051368f0c84ad27da6b5a6f0637", - "compiler": { - "name": "solc", - "version": "soljson-v0.4.24+commit.e67f0147.js", - "settings": { - "optimizer": { - "enabled": true, - "runs": 1000000 - }, - "outputSelection": { - "*": { - "*": [ - "abi", - "evm.bytecode.object", - "evm.bytecode.sourceMap", - "evm.deployedBytecode.object", - "evm.deployedBytecode.sourceMap" - ] - } - } - } - }, - "networks": { - "1": { - "address": "0x4f833a24e1f95d70f028921e27040ca56e09ab0b", - "links": {}, - "constructorArgs": "[]" - }, - "3": { - "address": "0x4530c0483a1633c7a1c97d2c53721caff2caaaaf", - "links": {}, - "constructorArgs": "[\"0xf47261b0000000000000000000000000ff67881f8d12f372d91baae9752eb3631ff0ed00\"]" - }, - "42": { - "address": "0x35dd2932454449b14cee11a94d3674a936d5d7b2", - "links": {}, - "constructorArgs": "[\"0xf47261b00000000000000000000000002002d3812f58e35f0ea1ffbf80a75a38c32175fa\"]" - }, - "50": { - "address": "0x48bacb9266a570d521063ef5dd96e61686dbe788", - "links": {}, - "constructorArgs": "[\"0xf47261b0000000000000000000000000871dd7c2b4b25e1aa18728e9d5f2af4c4e431f5c\"]" - } - } -} diff --git a/packages/migrations/artifacts/2.0.0-mainnet/Forwarder.json b/packages/migrations/artifacts/2.0.0-mainnet/Forwarder.json deleted file mode 100644 index 3879837e5..000000000 --- a/packages/migrations/artifacts/2.0.0-mainnet/Forwarder.json +++ /dev/null @@ -1,734 +0,0 @@ -{ - "schemaVersion": "2.0.0", - "contractName": "Forwarder", - "compilerOutput": { - "abi": [ - { - "constant": false, - "inputs": [ - { - "components": [ - { - "name": "makerAddress", - "type": "address" - }, - { - "name": "takerAddress", - "type": "address" - }, - { - "name": "feeRecipientAddress", - "type": "address" - }, - { - "name": "senderAddress", - "type": "address" - }, - { - "name": "makerAssetAmount", - "type": "uint256" - }, - { - "name": "takerAssetAmount", - "type": "uint256" - }, - { - "name": "makerFee", - "type": "uint256" - }, - { - "name": "takerFee", - "type": "uint256" - }, - { - "name": "expirationTimeSeconds", - "type": "uint256" - }, - { - "name": "salt", - "type": "uint256" - }, - { - "name": "makerAssetData", - "type": "bytes" - }, - { - "name": "takerAssetData", - "type": "bytes" - } - ], - "name": "orders", - "type": "tuple[]" - }, - { - "name": "makerAssetFillAmount", - "type": "uint256" - }, - { - "name": "signatures", - "type": "bytes[]" - }, - { - "components": [ - { - "name": "makerAddress", - "type": "address" - }, - { - "name": "takerAddress", - "type": "address" - }, - { - "name": "feeRecipientAddress", - "type": "address" - }, - { - "name": "senderAddress", - "type": "address" - }, - { - "name": "makerAssetAmount", - "type": "uint256" - }, - { - "name": "takerAssetAmount", - "type": "uint256" - }, - { - "name": "makerFee", - "type": "uint256" - }, - { - "name": "takerFee", - "type": "uint256" - }, - { - "name": "expirationTimeSeconds", - "type": "uint256" - }, - { - "name": "salt", - "type": "uint256" - }, - { - "name": "makerAssetData", - "type": "bytes" - }, - { - "name": "takerAssetData", - "type": "bytes" - } - ], - "name": "feeOrders", - "type": "tuple[]" - }, - { - "name": "feeSignatures", - "type": "bytes[]" - }, - { - "name": "feePercentage", - "type": "uint256" - }, - { - "name": "feeRecipient", - "type": "address" - } - ], - "name": "marketBuyOrdersWithEth", - "outputs": [ - { - "components": [ - { - "name": "makerAssetFilledAmount", - "type": "uint256" - }, - { - "name": "takerAssetFilledAmount", - "type": "uint256" - }, - { - "name": "makerFeePaid", - "type": "uint256" - }, - { - "name": "takerFeePaid", - "type": "uint256" - } - ], - "name": "orderFillResults", - "type": "tuple" - }, - { - "components": [ - { - "name": "makerAssetFilledAmount", - "type": "uint256" - }, - { - "name": "takerAssetFilledAmount", - "type": "uint256" - }, - { - "name": "makerFeePaid", - "type": "uint256" - }, - { - "name": "takerFeePaid", - "type": "uint256" - } - ], - "name": "feeOrderFillResults", - "type": "tuple" - } - ], - "payable": true, - "stateMutability": "payable", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "assetData", - "type": "bytes" - }, - { - "name": "amount", - "type": "uint256" - } - ], - "name": "withdrawAsset", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": true, - "inputs": [], - 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- "opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE CALLVALUE DUP1 ISZERO PUSH3 0x11 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x40 MLOAD PUSH3 0x2CDB CODESIZE SUB DUP1 PUSH3 0x2CDB DUP4 CODECOPY DUP2 ADD DUP1 PUSH1 0x40 MSTORE PUSH3 0x37 SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH3 0x51D JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD CALLER PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB NOT SWAP2 DUP3 AND OR DUP3 SSTORE PUSH1 0x1 DUP1 SLOAD SWAP1 SWAP2 AND PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB DUP7 AND OR SWAP1 SSTORE DUP3 MLOAD DUP5 SWAP1 DUP5 SWAP1 DUP5 SWAP1 DUP5 SWAP1 DUP2 SWAP1 PUSH3 0x7E SWAP1 PUSH1 0x4 SWAP1 PUSH1 0x20 DUP8 ADD SWAP1 PUSH3 0x3D0 JUMP JUMPDEST POP DUP3 MLOAD PUSH3 0x94 SWAP1 PUSH1 0x5 SWAP1 PUSH1 0x20 DUP7 ADD SWAP1 PUSH3 0x3D0 JUMP JUMPDEST POP PUSH3 0xB0 DUP4 PUSH1 0x10 PUSH5 0x100000000 PUSH3 0x18F6 PUSH3 0x36F DUP3 MUL OR DIV JUMP JUMPDEST SWAP2 POP PUSH3 0xCD DUP5 PUSH1 0x10 PUSH5 0x100000000 PUSH3 0x18F6 PUSH3 0x36F DUP3 MUL OR DIV JUMP JUMPDEST PUSH1 0x2 DUP1 SLOAD PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB SWAP5 DUP6 AND PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB NOT SWAP2 DUP3 AND OR SWAP1 SWAP2 SSTORE PUSH1 0x3 DUP1 SLOAD SWAP3 DUP6 AND SWAP3 SWAP1 SWAP2 AND SWAP2 SWAP1 SWAP2 OR SWAP1 SSTORE POP PUSH1 0x1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH32 0x4552433230546F6B656E28616464726573732900000000000000000000000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x13 ADD DUP2 KECCAK256 PUSH32 0x6070410800000000000000000000000000000000000000000000000000000000 DUP3 MSTORE SWAP2 SWAP1 SWAP3 AND SWAP5 POP PUSH4 0x60704108 SWAP4 POP PUSH3 0x173 SWAP3 POP SWAP1 PUSH1 0x4 ADD PUSH3 0x68E JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH3 0x18E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH3 0x1A3 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH3 0x1C9 SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH3 0x4F4 JUMP JUMPDEST SWAP1 POP PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB DUP2 AND ISZERO ISZERO PUSH3 0x219 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH3 0x210 SWAP1 PUSH3 0x6B0 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST PUSH1 0x2 SLOAD PUSH1 0x40 MLOAD PUSH32 0x95EA7B300000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB SWAP1 SWAP2 AND SWAP1 PUSH4 0x95EA7B3 SWAP1 PUSH3 0x268 SWAP1 DUP5 SWAP1 PUSH1 0x0 NOT SWAP1 PUSH1 0x4 ADD PUSH3 0x66F JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH3 0x283 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH3 0x298 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH3 0x2BE SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH3 0x5A1 JUMP JUMPDEST POP PUSH1 0x3 SLOAD PUSH1 0x40 MLOAD PUSH32 0x95EA7B300000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB SWAP1 SWAP2 AND SWAP1 PUSH4 0x95EA7B3 SWAP1 PUSH3 0x30E SWAP1 DUP5 SWAP1 PUSH1 0x0 NOT SWAP1 PUSH1 0x4 ADD PUSH3 0x66F JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH3 0x329 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH3 0x33E JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH3 0x364 SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH3 0x5A1 JUMP JUMPDEST POP POP POP POP POP PUSH3 0x77A JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x14 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH3 0x3B4 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH3 0x210 SWAP1 PUSH3 0x69E JUMP JUMPDEST POP PUSH1 0x14 DUP2 DUP4 ADD DUP2 ADD MLOAD SWAP2 ADD SWAP1 PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB AND JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST DUP3 DUP1 SLOAD PUSH1 0x1 DUP2 PUSH1 0x1 AND ISZERO PUSH2 0x100 MUL SUB AND PUSH1 0x2 SWAP1 DIV SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 PUSH1 0x1F ADD PUSH1 0x20 SWAP1 DIV DUP2 ADD SWAP3 DUP3 PUSH1 0x1F LT PUSH3 0x413 JUMPI DUP1 MLOAD PUSH1 0xFF NOT AND DUP4 DUP1 ADD OR DUP6 SSTORE PUSH3 0x443 JUMP JUMPDEST DUP3 DUP1 ADD PUSH1 0x1 ADD DUP6 SSTORE DUP3 ISZERO PUSH3 0x443 JUMPI SWAP2 DUP3 ADD JUMPDEST DUP3 DUP2 GT ISZERO PUSH3 0x443 JUMPI DUP3 MLOAD DUP3 SSTORE SWAP2 PUSH1 0x20 ADD SWAP2 SWAP1 PUSH1 0x1 ADD SWAP1 PUSH3 0x426 JUMP JUMPDEST POP PUSH3 0x451 SWAP3 SWAP2 POP PUSH3 0x455 JUMP JUMPDEST POP SWAP1 JUMP JUMPDEST PUSH3 0x472 SWAP2 SWAP1 JUMPDEST DUP1 DUP3 GT ISZERO PUSH3 0x451 JUMPI PUSH1 0x0 DUP2 SSTORE PUSH1 0x1 ADD PUSH3 0x45C JUMP JUMPDEST SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH3 0x483 DUP3 MLOAD PUSH3 0x711 JUMP JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH3 0x483 DUP3 MLOAD PUSH3 0x742 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH3 0x4AA JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 MLOAD PUSH3 0x4C1 PUSH3 0x4BB DUP3 PUSH3 0x6E9 JUMP JUMPDEST PUSH3 0x6C2 JUMP JUMPDEST SWAP2 POP DUP1 DUP3 MSTORE PUSH1 0x20 DUP4 ADD PUSH1 0x20 DUP4 ADD DUP6 DUP4 DUP4 ADD GT ISZERO PUSH3 0x4DE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH3 0x4EB DUP4 DUP3 DUP5 PUSH3 0x747 JUMP JUMPDEST POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH3 0x507 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH3 0x515 DUP5 DUP5 PUSH3 0x475 JUMP JUMPDEST SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x60 DUP5 DUP7 SUB SLT ISZERO PUSH3 0x533 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH3 0x541 DUP7 DUP7 PUSH3 0x475 JUMP JUMPDEST SWAP4 POP POP PUSH1 0x20 DUP5 ADD MLOAD PUSH1 0x1 PUSH1 0x40 PUSH1 0x2 EXP SUB DUP2 GT ISZERO PUSH3 0x55E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH3 0x56C DUP7 DUP3 DUP8 ADD PUSH3 0x498 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x40 DUP5 ADD MLOAD PUSH1 0x1 PUSH1 0x40 PUSH1 0x2 EXP SUB DUP2 GT ISZERO PUSH3 0x589 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH3 0x597 DUP7 DUP3 DUP8 ADD PUSH3 0x498 JUMP JUMPDEST SWAP2 POP POP SWAP3 POP SWAP3 POP SWAP3 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH3 0x5B4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH3 0x515 DUP5 DUP5 PUSH3 0x48A JUMP JUMPDEST PUSH3 0x5CD DUP2 PUSH3 0x711 JUMP JUMPDEST DUP3 MSTORE POP POP JUMP JUMPDEST PUSH3 0x5CD DUP2 PUSH3 0x71D JUMP JUMPDEST PUSH1 0x26 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F32305F4C454E4754485F5245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5155495245440000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x18 DUP2 MSTORE PUSH32 0x554E524547495354455245445F41535345545F50524F58590000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH3 0x5CD DUP2 PUSH3 0x472 JUMP JUMPDEST PUSH1 0x40 DUP2 ADD PUSH3 0x67F DUP3 DUP6 PUSH3 0x5C2 JUMP JUMPDEST PUSH3 0x483 PUSH1 0x20 DUP4 ADD DUP5 PUSH3 0x664 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH3 0x3CA DUP3 DUP5 PUSH3 0x5D3 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH3 0x3CA DUP2 PUSH3 0x5DE JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH3 0x3CA DUP2 PUSH3 0x634 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP2 DUP2 ADD PUSH1 0x1 PUSH1 0x40 PUSH1 0x2 EXP SUB DUP2 GT DUP3 DUP3 LT OR ISZERO PUSH3 0x6E1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x40 MSTORE SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1 PUSH1 0x40 PUSH1 0x2 EXP SUB DUP3 GT ISZERO PUSH3 0x700 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x20 PUSH1 0x1F SWAP2 SWAP1 SWAP2 ADD PUSH1 0x1F NOT AND ADD SWAP1 JUMP JUMPDEST PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB AND SWAP1 JUMP JUMPDEST PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND SWAP1 JUMP JUMPDEST ISZERO ISZERO SWAP1 JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH3 0x764 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH3 0x74A JUMP JUMPDEST DUP4 DUP2 GT ISZERO PUSH3 0x774 JUMPI PUSH1 0x0 DUP5 DUP5 ADD MSTORE JUMPDEST POP POP POP POP JUMP JUMPDEST PUSH2 0x2551 DUP1 PUSH3 0x78A PUSH1 0x0 CODECOPY PUSH1 0x0 RETURN STOP PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0x6C JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x18978E82 DUP2 EQ PUSH2 0xC8 JUMPI DUP1 PUSH4 0x630F1E6C EQ PUSH2 0xF2 JUMPI DUP1 PUSH4 0x8DA5CB5B EQ PUSH2 0x112 JUMPI DUP1 PUSH4 0x9395525C EQ PUSH2 0x134 JUMPI DUP1 PUSH4 0xF2FDE38B EQ PUSH2 0x147 JUMPI JUMPDEST PUSH1 0x2 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xC6 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2337 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST STOP JUMPDEST PUSH2 0xDB PUSH2 0xD6 CALLDATASIZE PUSH1 0x4 PUSH2 0x1DA0 JUMP JUMPDEST PUSH2 0x167 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xE9 SWAP3 SWAP2 SWAP1 PUSH2 0x2437 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xFE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xC6 PUSH2 0x10D CALLDATASIZE PUSH1 0x4 PUSH2 0x1E9B JUMP JUMPDEST PUSH2 0x2F7 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x11E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x127 PUSH2 0x388 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xE9 SWAP2 SWAP1 PUSH2 0x22E6 JUMP JUMPDEST PUSH2 0xDB PUSH2 0x142 CALLDATASIZE PUSH1 0x4 PUSH2 0x1CBA JUMP JUMPDEST PUSH2 0x3A4 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x153 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xC6 PUSH2 0x162 CALLDATASIZE PUSH1 0x4 PUSH2 0x1C94 JUMP JUMPDEST PUSH2 0x50A JUMP JUMPDEST PUSH2 0x16F PUSH2 0x19A9 JUMP JUMPDEST PUSH2 0x177 PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0x182 PUSH2 0x5BB JUMP JUMPDEST PUSH1 0x4 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x1F PUSH1 0x2 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH2 0x100 PUSH1 0x1 DUP9 AND ISZERO MUL ADD SWAP1 SWAP6 AND SWAP5 SWAP1 SWAP5 DIV SWAP4 DUP5 ADD DUP2 SWAP1 DIV DUP2 MUL DUP3 ADD DUP2 ADD SWAP1 SWAP3 MSTORE DUP3 DUP2 MSTORE PUSH2 0x25C SWAP4 SWAP1 SWAP3 SWAP1 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x22D JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x202 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x22D JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x210 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP DUP13 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x241 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x140 ADD MLOAD SWAP1 PUSH4 0xFFFFFFFF PUSH2 0x696 AND JUMP JUMPDEST ISZERO PUSH2 0x287 JUMPI PUSH2 0x26C DUP12 DUP12 DUP12 PUSH2 0x7C3 JUMP JUMPDEST SWAP4 POP PUSH2 0x280 DUP5 PUSH1 0x0 ADD MLOAD DUP6 PUSH1 0x60 ADD MLOAD PUSH2 0xACB JUMP JUMPDEST SWAP1 POP PUSH2 0x2AE JUMP JUMPDEST PUSH2 0x292 DUP12 DUP12 DUP12 PUSH2 0xB0D JUMP JUMPDEST SWAP4 POP DUP4 PUSH1 0x60 ADD MLOAD SWAP2 POP PUSH2 0x2A6 DUP9 DUP4 DUP10 PUSH2 0x7C3 JUMP JUMPDEST DUP5 MLOAD SWAP1 SWAP4 POP SWAP1 POP JUMPDEST PUSH2 0x2C2 DUP5 PUSH1 0x20 ADD MLOAD DUP5 PUSH1 0x20 ADD MLOAD DUP9 DUP9 PUSH2 0xD1F JUMP JUMPDEST PUSH2 0x2E9 DUP12 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x2D4 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x140 ADD MLOAD DUP3 PUSH2 0xF33 JUMP JUMPDEST POP POP SWAP8 POP SWAP8 SWAP6 POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x348 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23E7 JUMP JUMPDEST PUSH2 0x383 DUP4 DUP4 DUP1 DUP1 PUSH1 0x1F ADD PUSH1 0x20 DUP1 SWAP2 DIV MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP4 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP4 DUP4 DUP1 DUP3 DUP5 CALLDATACOPY POP DUP8 SWAP5 POP PUSH2 0xF33 SWAP4 POP POP POP POP JUMP JUMPDEST POP POP POP JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH2 0x3AC PUSH2 0x19A9 JUMP JUMPDEST PUSH2 0x3B4 PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH2 0x3C1 PUSH2 0x5BB JUMP JUMPDEST PUSH1 0x4 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x1F PUSH1 0x2 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH2 0x100 PUSH1 0x1 DUP9 AND ISZERO MUL ADD SWAP1 SWAP6 AND SWAP5 SWAP1 SWAP5 DIV SWAP4 DUP5 ADD DUP2 SWAP1 DIV DUP2 MUL DUP3 ADD DUP2 ADD SWAP1 SWAP3 MSTORE DUP3 DUP2 MSTORE PUSH2 0x441 SWAP4 SWAP1 SWAP3 SWAP1 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x22D JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x202 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x22D JUMP JUMPDEST ISZERO PUSH2 0x492 JUMPI PUSH2 0x46A PUSH8 0xDE0B6B3A7640000 PUSH2 0x464 PUSH8 0xDE0B6B3A7640000 DUP11 PUSH2 0x104F JUMP JUMPDEST CALLVALUE PUSH2 0x1099 JUMP JUMPDEST SWAP3 POP PUSH2 0x477 DUP12 DUP5 DUP13 PUSH2 0x10F1 JUMP JUMPDEST SWAP5 POP PUSH2 0x48B DUP6 PUSH1 0x0 ADD MLOAD DUP7 PUSH1 0x60 ADD MLOAD PUSH2 0xACB JUMP JUMPDEST SWAP1 POP PUSH2 0x4D6 JUMP JUMPDEST PUSH2 0x4AD PUSH8 0xD2F13F7789F0000 PUSH8 0xDE0B6B3A7640000 CALLVALUE PUSH2 0x1099 JUMP JUMPDEST SWAP3 POP PUSH2 0x4BA DUP12 DUP5 DUP13 PUSH2 0x10F1 JUMP JUMPDEST SWAP5 POP DUP5 PUSH1 0x60 ADD MLOAD SWAP2 POP PUSH2 0x4CE DUP10 DUP4 DUP11 PUSH2 0x7C3 JUMP JUMPDEST DUP6 MLOAD SWAP1 SWAP5 POP SWAP1 POP JUMPDEST PUSH2 0x4EA DUP6 PUSH1 0x20 ADD MLOAD DUP6 PUSH1 0x20 ADD MLOAD DUP10 DUP10 PUSH2 0xD1F JUMP JUMPDEST PUSH2 0x4FC DUP12 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x2D4 JUMPI INVALID JUMPDEST POP POP POP SWAP7 POP SWAP7 SWAP5 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x55B JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23E7 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0x5B8 JUMPI PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND OR SWAP1 SSTORE JUMPDEST POP JUMP JUMPDEST PUSH1 0x0 CALLVALUE GT PUSH2 0x5F5 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2347 JUMP JUMPDEST PUSH1 0x2 PUSH1 0x0 SWAP1 SLOAD SWAP1 PUSH2 0x100 EXP SWAP1 DIV PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH4 0xD0E30DB0 CALLVALUE PUSH1 0x40 MLOAD DUP3 PUSH4 0xFFFFFFFF AND PUSH29 0x100000000000000000000000000000000000000000000000000000000 MUL DUP2 MSTORE PUSH1 0x4 ADD PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 DUP6 DUP9 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x67B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x68F JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 MLOAD DUP4 MLOAD EQ DUP1 ISZERO PUSH2 0x7BA JUMPI POP DUP2 PUSH1 0x40 MLOAD DUP1 DUP3 DUP1 MLOAD SWAP1 PUSH1 0x20 ADD SWAP1 DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x6F2 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x6B5 JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 MLOAD SWAP2 SWAP1 SWAP4 ADD DUP2 SWAP1 SUB DUP2 KECCAK256 DUP9 MLOAD SWAP1 SWAP6 POP DUP9 SWAP5 POP SWAP1 SWAP3 DUP4 SWAP3 POP DUP5 ADD SWAP1 DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x787 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x74A JUMP JUMPDEST PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB DUP1 NOT DUP3 MLOAD AND DUP2 DUP5 MLOAD AND DUP1 DUP3 OR DUP6 MSTORE POP POP POP POP POP POP SWAP1 POP ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 KECCAK256 PUSH1 0x0 NOT AND EQ JUMPDEST SWAP1 POP JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH2 0x7CB PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 PUSH2 0x7DE PUSH2 0x19A9 JUMP JUMPDEST DUP11 ISZERO ISZERO PUSH2 0x7EA JUMPI PUSH2 0xABC JUMP JUMPDEST PUSH1 0x4 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x88E JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x863 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x88E JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x871 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP PUSH1 0x5 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x1F PUSH1 0x2 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH2 0x100 PUSH1 0x1 DUP9 AND ISZERO MUL ADD SWAP1 SWAP6 AND SWAP5 SWAP1 SWAP5 DIV SWAP4 DUP5 ADD DUP2 SWAP1 DIV DUP2 MUL DUP3 ADD DUP2 ADD SWAP1 SWAP3 MSTORE DUP3 DUP2 MSTORE SWAP7 SWAP15 POP SWAP2 SWAP5 POP SWAP3 POP DUP5 ADD SWAP1 POP DUP3 DUP3 DUP1 ISZERO PUSH2 0x93D JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x912 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x93D JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x920 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP SWAP7 POP PUSH1 0x0 SWAP6 POP DUP12 MLOAD SWAP5 POP PUSH1 0x0 SWAP4 POP JUMPDEST DUP4 DUP6 EQ PUSH2 0xA82 JUMPI DUP8 DUP13 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x967 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x140 ADD MSTORE DUP12 MLOAD DUP8 SWAP1 DUP14 SWAP1 DUP7 SWAP1 DUP2 LT PUSH2 0x986 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x160 ADD MSTORE PUSH2 0x99F DUP12 DUP8 PUSH2 0xACB JUMP JUMPDEST SWAP3 POP PUSH2 0xA06 DUP13 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x9B2 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0xA0 ADD MLOAD PUSH2 0xA00 DUP15 DUP8 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x9D1 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0x80 ADD MLOAD DUP16 DUP9 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x9ED JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0xE0 ADD MLOAD PUSH2 0xACB JUMP JUMPDEST DUP6 PUSH2 0x1099 JUMP JUMPDEST SWAP2 POP PUSH2 0xA4B DUP13 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA19 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0xA2E DUP5 PUSH1 0x1 PUSH2 0x104F JUMP JUMPDEST DUP13 DUP8 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA3C JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x1295 JUMP JUMPDEST SWAP1 POP PUSH2 0xA57 DUP10 DUP3 PUSH2 0x130D JUMP JUMPDEST PUSH2 0xA69 DUP10 PUSH1 0x0 ADD MLOAD DUP11 PUSH1 0x60 ADD MLOAD PUSH2 0xACB JUMP JUMPDEST SWAP6 POP DUP11 DUP7 LT PUSH2 0xA77 JUMPI PUSH2 0xA82 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP4 ADD SWAP3 PUSH2 0x951 JUMP JUMPDEST DUP11 DUP7 LT ISZERO PUSH2 0xABC JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23C7 JUMP JUMPDEST POP POP POP POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 GT ISZERO PUSH2 0xB07 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2367 JUMP JUMPDEST POP SWAP1 SUB SWAP1 JUMP JUMPDEST PUSH2 0xB15 PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH2 0xB26 PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x0 DUP12 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xB37 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP2 SWAP1 SWAP2 ADD DUP2 ADD MLOAD PUSH2 0x140 ADD MLOAD PUSH1 0x5 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x2 PUSH1 0x1 DUP5 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP4 AND SWAP3 SWAP1 SWAP3 DIV PUSH1 0x1F DUP2 ADD DUP7 SWAP1 DIV DUP7 MUL DUP4 ADD DUP7 ADD SWAP1 SWAP2 MSTORE DUP1 DUP3 MSTORE SWAP3 SWAP12 POP SWAP3 SWAP1 SWAP2 SWAP1 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0xBEF JUMPI DUP1 PUSH1 0x1F LT PUSH2 0xBC4 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0xBEF JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0xBD2 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP SWAP7 POP DUP12 MLOAD SWAP6 POP PUSH1 0x0 SWAP5 POP JUMPDEST DUP5 DUP7 EQ PUSH2 0xCE5 JUMPI DUP8 DUP13 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xC15 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x140 ADD MSTORE DUP12 MLOAD DUP8 SWAP1 DUP14 SWAP1 DUP8 SWAP1 DUP2 LT PUSH2 0xC34 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x160 ADD MSTORE DUP9 MLOAD PUSH2 0xC50 SWAP1 DUP13 SWAP1 PUSH2 0xACB JUMP JUMPDEST SWAP4 POP PUSH2 0xC93 DUP13 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xC63 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0xA0 ADD MLOAD DUP14 DUP8 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xC7F JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0x80 ADD MLOAD DUP7 PUSH2 0x1099 JUMP JUMPDEST SWAP3 POP PUSH2 0xCBF DUP13 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xCA6 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP5 DUP13 DUP9 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA3C JUMPI INVALID JUMPDEST SWAP2 POP PUSH2 0xCCB DUP10 DUP4 PUSH2 0x130D JUMP JUMPDEST POP DUP8 MLOAD DUP11 DUP2 LT PUSH2 0xCDA JUMPI PUSH2 0xCE5 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP5 ADD SWAP4 PUSH2 0xBFF JUMP JUMPDEST DUP11 DUP2 LT ISZERO PUSH2 0xABC JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23C7 JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 DUP1 PUSH7 0xB1A2BC2EC50000 DUP7 GT ISZERO PUSH2 0xD65 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23F7 JUMP JUMPDEST PUSH2 0xD6F DUP9 DUP9 PUSH2 0x104F JUMP JUMPDEST SWAP4 POP CALLVALUE DUP5 GT ISZERO PUSH2 0xDAB JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2357 JUMP JUMPDEST PUSH2 0xDB5 CALLVALUE DUP6 PUSH2 0xACB JUMP JUMPDEST SWAP3 POP PUSH2 0xDCA DUP7 PUSH8 0xDE0B6B3A7640000 DUP11 PUSH2 0x1099 JUMP JUMPDEST SWAP2 POP DUP3 DUP3 GT ISZERO PUSH2 0xE06 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23D7 JUMP JUMPDEST PUSH1 0x0 DUP4 GT ISZERO PUSH2 0xF29 JUMPI PUSH1 0x2 SLOAD PUSH1 0x40 MLOAD PUSH32 0x2E1A7D4D00000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP2 AND SWAP1 PUSH4 0x2E1A7D4D SWAP1 PUSH2 0xE65 SWAP1 DUP7 SWAP1 PUSH1 0x4 ADD PUSH2 0x2453 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0xE7F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0xE93 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x0 DUP3 GT ISZERO PUSH2 0xEE5 JUMPI PUSH1 0x40 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 AND SWAP1 DUP4 ISZERO PUSH2 0x8FC MUL SWAP1 DUP5 SWAP1 PUSH1 0x0 DUP2 DUP2 DUP2 DUP6 DUP9 DUP9 CALL SWAP4 POP POP POP POP ISZERO DUP1 ISZERO PUSH2 0xEE3 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP JUMPDEST PUSH2 0xEEF DUP4 DUP4 PUSH2 0xACB JUMP JUMPDEST SWAP1 POP PUSH1 0x0 DUP2 GT ISZERO PUSH2 0xF29 JUMPI PUSH1 0x40 MLOAD CALLER SWAP1 DUP3 ISZERO PUSH2 0x8FC MUL SWAP1 DUP4 SWAP1 PUSH1 0x0 DUP2 DUP2 DUP2 DUP6 DUP9 DUP9 CALL SWAP4 POP POP POP POP ISZERO DUP1 ISZERO PUSH2 0xF27 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP JUMPDEST POP POP POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0xF45 DUP4 DUP3 PUSH4 0xFFFFFFFF PUSH2 0x136F AND JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x4552433230546F6B656E28616464726573732900000000000000000000000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x13 ADD SWAP1 KECCAK256 SWAP1 SWAP2 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP1 DUP4 AND SWAP2 AND EQ ISZERO PUSH2 0xFB5 JUMPI PUSH2 0xFB0 DUP4 DUP4 PUSH2 0x13DC JUMP JUMPDEST PUSH2 0x383 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x455243373231546F6B656E28616464726573732C75696E743235362900000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x1C ADD SWAP1 KECCAK256 PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP3 DUP2 AND SWAP2 AND EQ ISZERO PUSH2 0x101D JUMPI PUSH2 0xFB0 DUP4 DUP4 PUSH2 0x15CA JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23A7 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 ADD DUP4 DUP2 LT ISZERO PUSH2 0x108E JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2397 JUMP JUMPDEST DUP1 SWAP2 POP JUMPDEST POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP4 GT PUSH2 0x10D4 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2387 JUMP JUMPDEST PUSH2 0x10E7 PUSH2 0x10E1 DUP6 DUP5 PUSH2 0x16B2 JUMP JUMPDEST DUP5 PUSH2 0x170D JUMP JUMPDEST SWAP1 POP JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH2 0x10F9 PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 PUSH2 0x1109 PUSH2 0x19A9 JUMP JUMPDEST DUP10 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1118 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP2 SWAP1 SWAP2 ADD DUP2 ADD MLOAD PUSH2 0x140 ADD MLOAD PUSH1 0x5 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x2 PUSH1 0x1 DUP5 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP4 AND SWAP3 SWAP1 SWAP3 DIV PUSH1 0x1F DUP2 ADD DUP7 SWAP1 DIV DUP7 MUL DUP4 ADD DUP7 ADD SWAP1 SWAP2 MSTORE DUP1 DUP3 MSTORE SWAP3 SWAP10 POP SWAP3 SWAP1 SWAP2 SWAP1 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x11D0 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x11A5 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x11D0 JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x11B3 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP SWAP5 POP DUP10 MLOAD SWAP4 POP PUSH1 0x0 SWAP3 POP JUMPDEST DUP3 DUP5 EQ PUSH2 0x1288 JUMPI DUP6 DUP11 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x11F6 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x140 ADD MSTORE DUP10 MLOAD DUP6 SWAP1 DUP12 SWAP1 DUP6 SWAP1 DUP2 LT PUSH2 0x1215 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x160 ADD DUP2 SWAP1 MSTORE POP PUSH2 0x1235 DUP10 DUP9 PUSH1 0x20 ADD MLOAD PUSH2 0xACB JUMP JUMPDEST SWAP2 POP PUSH2 0x1261 DUP11 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1248 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP4 DUP11 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA3C JUMPI INVALID JUMPDEST SWAP1 POP PUSH2 0x126D DUP8 DUP3 PUSH2 0x130D JUMP JUMPDEST PUSH1 0x20 DUP8 ADD MLOAD DUP10 GT PUSH2 0x127D JUMPI PUSH2 0x1288 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP3 ADD SWAP2 PUSH2 0x11E0 JUMP JUMPDEST POP POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH2 0x129D PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x0 PUSH2 0x12AC DUP7 DUP7 DUP7 PUSH2 0x1724 JUMP JUMPDEST PUSH1 0x1 SLOAD DUP2 MLOAD SWAP2 SWAP4 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP2 POP PUSH1 0x80 SWAP1 DUP4 SWAP1 PUSH1 0x20 DUP3 ADD PUSH1 0x0 DUP6 GAS CALL DUP1 ISZERO PUSH2 0x1303 JUMPI DUP3 MLOAD DUP5 MSTORE PUSH1 0x20 DUP4 ADD MLOAD PUSH1 0x20 DUP6 ADD MSTORE PUSH1 0x40 DUP4 ADD MLOAD PUSH1 0x40 DUP6 ADD MSTORE PUSH1 0x60 DUP4 ADD MLOAD PUSH1 0x60 DUP6 ADD MSTORE JUMPDEST POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST DUP2 MLOAD DUP2 MLOAD PUSH2 0x131B SWAP2 SWAP1 PUSH2 0x104F JUMP JUMPDEST DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 ADD MLOAD SWAP1 DUP3 ADD MLOAD PUSH2 0x1331 SWAP2 SWAP1 PUSH2 0x104F JUMP JUMPDEST PUSH1 0x20 DUP4 ADD MSTORE PUSH1 0x40 DUP1 DUP4 ADD MLOAD SWAP1 DUP3 ADD MLOAD PUSH2 0x134A SWAP2 SWAP1 PUSH2 0x104F JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MSTORE PUSH1 0x60 DUP1 DUP4 ADD MLOAD SWAP1 DUP3 ADD MLOAD PUSH2 0x1363 SWAP2 SWAP1 PUSH2 0x104F JUMP JUMPDEST PUSH1 0x60 SWAP1 SWAP3 ADD SWAP2 SWAP1 SWAP2 MSTORE POP JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x4 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x13B1 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2417 JUMP JUMPDEST POP ADD PUSH1 0x20 ADD MLOAD PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0x13F0 DUP5 PUSH1 0x10 PUSH4 0xFFFFFFFF PUSH2 0x18F6 AND JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x7472616E7366657228616464726573732C75696E743235362900000000000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x19 ADD DUP2 KECCAK256 SWAP2 SWAP4 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND SWAP2 SWAP1 PUSH2 0x144E SWAP1 CALLER SWAP1 DUP8 SWAP1 PUSH1 0x24 ADD PUSH2 0x231C JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 DUP2 DUP5 SUB ADD DUP2 MSTORE SWAP2 DUP2 MSTORE PUSH1 0x20 DUP3 ADD DUP1 MLOAD PUSH28 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 OR DUP4 MSTORE MLOAD DUP2 MLOAD SWAP2 SWAP3 SWAP1 SWAP2 DUP3 SWAP2 SWAP1 DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x14F2 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x14DA JUMP JUMPDEST POP POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x151F JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP2 POP POP PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP7 GAS CALL SWAP3 POP POP POP DUP1 ISZERO ISZERO PUSH2 0x156E JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23B7 JUMP JUMPDEST RETURNDATASIZE ISZERO PUSH2 0x158B JUMPI POP PUSH1 0x0 RETURNDATASIZE PUSH1 0x20 EQ ISZERO PUSH2 0x158B JUMPI PUSH1 0x20 PUSH1 0x0 DUP1 RETURNDATACOPY POP PUSH1 0x0 MLOAD JUMPDEST DUP1 ISZERO ISZERO PUSH2 0x15C4 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23B7 JUMP JUMPDEST POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x1 DUP4 EQ PUSH2 0x1607 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2427 JUMP JUMPDEST PUSH2 0x1618 DUP5 PUSH1 0x10 PUSH4 0xFFFFFFFF PUSH2 0x18F6 AND JUMP JUMPDEST SWAP2 POP PUSH2 0x162B DUP5 PUSH1 0x24 PUSH4 0xFFFFFFFF PUSH2 0x1957 AND JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH32 0x23B872DD00000000000000000000000000000000000000000000000000000000 DUP2 MSTORE SWAP1 SWAP2 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND SWAP1 PUSH4 0x23B872DD SWAP1 PUSH2 0x1684 SWAP1 ADDRESS SWAP1 CALLER SWAP1 DUP7 SWAP1 PUSH1 0x4 ADD PUSH2 0x22F4 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x169E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0xF29 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST PUSH1 0x0 DUP1 DUP4 ISZERO ISZERO PUSH2 0x16C5 JUMPI PUSH1 0x0 SWAP2 POP PUSH2 0x1092 JUMP JUMPDEST POP DUP3 DUP3 MUL DUP3 DUP5 DUP3 DUP2 ISZERO ISZERO PUSH2 0x16D5 JUMPI INVALID JUMPDEST DIV EQ PUSH2 0x108E JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2397 JUMP JUMPDEST PUSH1 0x0 DUP1 DUP3 DUP5 DUP2 ISZERO ISZERO PUSH2 0x171B JUMPI INVALID JUMPDEST DIV SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0xB4BE83D500000000000000000000000000000000000000000000000000000000 PUSH1 0x20 DUP1 DUP4 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0x60 PUSH1 0x24 DUP4 ADD DUP2 DUP2 MSTORE DUP8 MLOAD PUSH1 0x84 DUP6 ADD SWAP1 DUP2 MSTORE DUP9 DUP5 ADD MLOAD PUSH1 0xA4 DUP7 ADD MSTORE SWAP5 DUP9 ADD MLOAD PUSH1 0xC4 DUP6 ADD MSTORE SWAP1 DUP8 ADD MLOAD PUSH1 0xE4 DUP5 ADD MSTORE PUSH1 0x80 DUP8 ADD MLOAD PUSH2 0x104 DUP5 ADD MSTORE PUSH1 0xA0 DUP8 ADD MLOAD PUSH2 0x124 DUP5 ADD MSTORE PUSH1 0xC0 DUP8 ADD MLOAD PUSH2 0x144 DUP5 ADD MSTORE PUSH1 0xE0 DUP8 ADD MLOAD PUSH2 0x164 DUP5 ADD MSTORE PUSH2 0x100 DUP8 ADD MLOAD PUSH2 0x184 DUP5 ADD MSTORE PUSH2 0x120 DUP8 ADD MLOAD PUSH2 0x1A4 DUP5 ADD MSTORE PUSH2 0x140 DUP8 ADD DUP1 MLOAD PUSH2 0x1C4 DUP6 ADD SWAP1 DUP2 MSTORE PUSH2 0x160 DUP10 ADD MLOAD PUSH2 0x1E4 DUP7 ADD MSTORE PUSH2 0x180 SWAP1 MSTORE MLOAD DUP1 MLOAD PUSH2 0x204 DUP6 ADD DUP2 SWAP1 MSTORE SWAP4 SWAP5 SWAP2 SWAP4 DUP5 SWAP4 PUSH1 0x44 DUP8 ADD SWAP3 DUP5 SWAP3 PUSH2 0x224 DUP10 ADD SWAP3 SWAP2 DUP3 ADD SWAP2 PUSH1 0x1F DUP3 ADD DIV PUSH1 0x0 JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x182B JUMPI DUP4 MLOAD DUP6 MSTORE PUSH1 0x20 SWAP5 DUP6 ADD SWAP5 SWAP1 SWAP4 ADD SWAP3 PUSH1 0x1 ADD PUSH2 0x180D JUMP JUMPDEST POP POP POP POP DUP2 DUP2 SUB PUSH2 0x160 DUP1 DUP5 ADD SWAP2 SWAP1 SWAP2 MSTORE DUP11 ADD MLOAD DUP1 MLOAD DUP1 DUP4 MSTORE PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 DUP3 ADD SWAP2 PUSH1 0x1F DUP3 ADD DIV PUSH1 0x0 JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x1874 JUMPI DUP4 MLOAD DUP6 MSTORE PUSH1 0x20 SWAP5 DUP6 ADD SWAP5 SWAP1 SWAP4 ADD SWAP3 PUSH1 0x1 ADD PUSH2 0x1856 JUMP JUMPDEST POP POP POP DUP10 DUP5 MSTORE POP DUP5 DUP2 SUB PUSH1 0x20 SWAP4 DUP5 ADD SWAP1 DUP2 MSTORE DUP9 MLOAD DUP1 DUP4 MSTORE SWAP1 SWAP4 SWAP2 DUP3 ADD SWAP2 DUP10 DUP2 ADD SWAP2 SWAP1 PUSH1 0x1F DUP3 ADD DIV PUSH1 0x0 JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x18BC JUMPI DUP4 MLOAD DUP6 MSTORE PUSH1 0x20 SWAP5 DUP6 ADD SWAP5 SWAP1 SWAP4 ADD SWAP3 PUSH1 0x1 ADD PUSH2 0x189E JUMP JUMPDEST POP POP POP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 DUP9 DUP4 SUB ADD DUP9 MSTORE POP PUSH1 0x40 MSTORE POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x14 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x1938 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2407 JUMP JUMPDEST POP ADD PUSH1 0x14 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x7BA DUP4 DUP4 PUSH1 0x0 DUP2 PUSH1 0x20 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x19A0 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2377 JUMP JUMPDEST POP ADD PUSH1 0x20 ADD MLOAD SWAP1 JUMP JUMPDEST PUSH1 0x80 PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE POP SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x7BA DUP3 CALLDATALOAD PUSH2 0x24EF JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x19EF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x1A02 PUSH2 0x19FD DUP3 PUSH2 0x2488 JUMP JUMPDEST PUSH2 0x2461 JUMP JUMPDEST DUP2 DUP2 MSTORE PUSH1 0x20 SWAP4 DUP5 ADD SWAP4 SWAP1 SWAP3 POP DUP3 ADD DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x1A40 JUMPI DUP2 CALLDATALOAD DUP7 ADD PUSH2 0x1A2A DUP9 DUP3 PUSH2 0x1AF0 JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0x1A14 JUMP JUMPDEST POP POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x1A5B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x1A69 PUSH2 0x19FD DUP3 PUSH2 0x2488 JUMP JUMPDEST DUP2 DUP2 MSTORE PUSH1 0x20 SWAP4 DUP5 ADD SWAP4 SWAP1 SWAP3 POP DUP3 ADD DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x1A40 JUMPI DUP2 CALLDATALOAD DUP7 ADD PUSH2 0x1A91 DUP9 DUP3 PUSH2 0x1B3F JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0x1A7B JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x1F DUP4 ADD DUP5 SGT PUSH2 0x1AB9 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP DUP2 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1AD1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x20 DUP4 ADD SWAP2 POP DUP4 PUSH1 0x1 DUP3 MUL DUP4 ADD GT ISZERO PUSH2 0x1AE9 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x1B01 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x1B0F PUSH2 0x19FD DUP3 PUSH2 0x24A9 JUMP JUMPDEST SWAP2 POP DUP1 DUP3 MSTORE PUSH1 0x20 DUP4 ADD PUSH1 0x20 DUP4 ADD DUP6 DUP4 DUP4 ADD GT ISZERO PUSH2 0x1B2B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1B36 DUP4 DUP3 DUP5 PUSH2 0x250B JUMP JUMPDEST POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x180 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x1B52 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1B5D PUSH2 0x180 PUSH2 0x2461 JUMP JUMPDEST SWAP1 POP PUSH1 0x0 PUSH2 0x1B6B DUP5 DUP5 PUSH2 0x19D2 JUMP JUMPDEST DUP3 MSTORE POP PUSH1 0x20 PUSH2 0x1B7C DUP5 DUP5 DUP4 ADD PUSH2 0x19D2 JUMP JUMPDEST PUSH1 0x20 DUP4 ADD MSTORE POP PUSH1 0x40 PUSH2 0x1B90 DUP5 DUP3 DUP6 ADD PUSH2 0x19D2 JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MSTORE POP PUSH1 0x60 PUSH2 0x1BA4 DUP5 DUP3 DUP6 ADD PUSH2 0x19D2 JUMP JUMPDEST PUSH1 0x60 DUP4 ADD MSTORE POP PUSH1 0x80 PUSH2 0x1BB8 DUP5 DUP3 DUP6 ADD PUSH2 0x1C88 JUMP JUMPDEST PUSH1 0x80 DUP4 ADD MSTORE POP PUSH1 0xA0 PUSH2 0x1BCC DUP5 DUP3 DUP6 ADD PUSH2 0x1C88 JUMP JUMPDEST PUSH1 0xA0 DUP4 ADD MSTORE POP PUSH1 0xC0 PUSH2 0x1BE0 DUP5 DUP3 DUP6 ADD PUSH2 0x1C88 JUMP JUMPDEST PUSH1 0xC0 DUP4 ADD MSTORE POP PUSH1 0xE0 PUSH2 0x1BF4 DUP5 DUP3 DUP6 ADD PUSH2 0x1C88 JUMP JUMPDEST PUSH1 0xE0 DUP4 ADD MSTORE POP PUSH2 0x100 PUSH2 0x1C09 DUP5 DUP3 DUP6 ADD PUSH2 0x1C88 JUMP JUMPDEST PUSH2 0x100 DUP4 ADD MSTORE POP PUSH2 0x120 PUSH2 0x1C1F DUP5 DUP3 DUP6 ADD PUSH2 0x1C88 JUMP JUMPDEST PUSH2 0x120 DUP4 ADD MSTORE POP PUSH2 0x140 DUP3 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1C41 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1C4D DUP5 DUP3 DUP6 ADD PUSH2 0x1AF0 JUMP JUMPDEST PUSH2 0x140 DUP4 ADD MSTORE POP PUSH2 0x160 DUP3 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1C6F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1C7B DUP5 DUP3 DUP6 ADD PUSH2 0x1AF0 JUMP JUMPDEST PUSH2 0x160 DUP4 ADD MSTORE POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x7BA DUP3 CALLDATALOAD PUSH2 0x2508 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x1CA6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x1CB2 DUP5 DUP5 PUSH2 0x19D2 JUMP JUMPDEST SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0xC0 DUP8 DUP10 SUB SLT ISZERO PUSH2 0x1CD3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP7 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1CEA JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1CF6 DUP10 DUP3 DUP11 ADD PUSH2 0x1A4A JUMP JUMPDEST SWAP7 POP POP PUSH1 0x20 DUP8 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1D13 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1D1F DUP10 DUP3 DUP11 ADD PUSH2 0x19DE JUMP JUMPDEST SWAP6 POP POP PUSH1 0x40 DUP8 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1D3C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1D48 DUP10 DUP3 DUP11 ADD PUSH2 0x1A4A JUMP JUMPDEST SWAP5 POP POP PUSH1 0x60 DUP8 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1D65 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1D71 DUP10 DUP3 DUP11 ADD PUSH2 0x19DE JUMP JUMPDEST SWAP4 POP POP PUSH1 0x80 PUSH2 0x1D82 DUP10 DUP3 DUP11 ADD PUSH2 0x1C88 JUMP JUMPDEST SWAP3 POP POP PUSH1 0xA0 PUSH2 0x1D93 DUP10 DUP3 DUP11 ADD PUSH2 0x19D2 JUMP JUMPDEST SWAP2 POP POP SWAP3 SWAP6 POP SWAP3 SWAP6 POP SWAP3 SWAP6 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0xE0 DUP9 DUP11 SUB SLT ISZERO PUSH2 0x1DBB JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP8 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1DD2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1DDE DUP11 DUP3 DUP12 ADD PUSH2 0x1A4A JUMP JUMPDEST SWAP8 POP POP PUSH1 0x20 PUSH2 0x1DEF DUP11 DUP3 DUP12 ADD PUSH2 0x1C88 JUMP JUMPDEST SWAP7 POP POP PUSH1 0x40 DUP9 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1E0C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1E18 DUP11 DUP3 DUP12 ADD PUSH2 0x19DE JUMP JUMPDEST SWAP6 POP POP PUSH1 0x60 DUP9 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1E35 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1E41 DUP11 DUP3 DUP12 ADD PUSH2 0x1A4A JUMP JUMPDEST SWAP5 POP POP PUSH1 0x80 DUP9 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1E5E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1E6A DUP11 DUP3 DUP12 ADD PUSH2 0x19DE JUMP JUMPDEST SWAP4 POP POP PUSH1 0xA0 PUSH2 0x1E7B DUP11 DUP3 DUP12 ADD PUSH2 0x1C88 JUMP JUMPDEST SWAP3 POP POP PUSH1 0xC0 PUSH2 0x1E8C DUP11 DUP3 DUP12 ADD PUSH2 0x19D2 JUMP JUMPDEST SWAP2 POP POP SWAP3 SWAP6 SWAP9 SWAP2 SWAP5 SWAP8 POP SWAP3 SWAP6 POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x40 DUP5 DUP7 SUB SLT ISZERO PUSH2 0x1EB0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP4 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1EC7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1ED3 DUP7 DUP3 DUP8 ADD PUSH2 0x1AA7 JUMP JUMPDEST SWAP4 POP SWAP4 POP POP PUSH1 0x20 PUSH2 0x1EE6 DUP7 DUP3 DUP8 ADD PUSH2 0x1C88 JUMP JUMPDEST SWAP2 POP POP SWAP3 POP SWAP3 POP SWAP3 JUMP JUMPDEST PUSH2 0x1EF9 DUP2 PUSH2 0x24EF JUMP JUMPDEST DUP3 MSTORE POP POP JUMP JUMPDEST PUSH1 0x23 DUP2 MSTORE PUSH32 0x44454641554C545F46554E4354494F4E5F574554485F434F4E54524143545F4F PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x4E4C590000000000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x11 DUP2 MSTORE PUSH32 0x494E56414C49445F4D53475F56414C5545000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xD DUP2 MSTORE PUSH32 0x4F564552534F4C445F5745544800000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x11 DUP2 MSTORE PUSH32 0x55494E543235365F554E444552464C4F57000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x26 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F33325F4C454E4754485F5245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5155495245440000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x10 DUP2 MSTORE PUSH32 0x4449564953494F4E5F42595F5A45524F00000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x10 DUP2 MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x17 DUP2 MSTORE PUSH32 0x554E535550504F525445445F41535345545F50524F5859000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xF DUP2 MSTORE PUSH32 0x5452414E534645525F4641494C45440000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x14 DUP2 MSTORE PUSH32 0x434F4D504C4554455F46494C4C5F4641494C4544000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x1A DUP2 MSTORE PUSH32 0x494E53554646494349454E545F4554485F52454D41494E494E47000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x13 DUP2 MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x18 DUP2 MSTORE PUSH32 0x4645455F50455243454E544147455F544F4F5F4C415247450000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x26 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F32305F4C454E4754485F5245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5155495245440000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x25 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F345F4C454E4754485F524551 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5549524544000000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0xE DUP2 MSTORE PUSH32 0x494E56414C49445F414D4F554E54000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST DUP1 MLOAD PUSH1 0x80 DUP4 ADD SWAP1 PUSH2 0x22A8 DUP5 DUP3 PUSH2 0x22DD JUMP JUMPDEST POP PUSH1 0x20 DUP3 ADD MLOAD PUSH2 0x22BB PUSH1 0x20 DUP6 ADD DUP3 PUSH2 0x22DD JUMP JUMPDEST POP PUSH1 0x40 DUP3 ADD MLOAD PUSH2 0x22CE PUSH1 0x40 DUP6 ADD DUP3 PUSH2 0x22DD JUMP JUMPDEST POP PUSH1 0x60 DUP3 ADD MLOAD PUSH2 0x15C4 PUSH1 0x60 DUP6 ADD DUP3 JUMPDEST PUSH2 0x1EF9 DUP2 PUSH2 0x2508 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x7BD DUP3 DUP5 PUSH2 0x1EF0 JUMP JUMPDEST PUSH1 0x60 DUP2 ADD PUSH2 0x2302 DUP3 DUP7 PUSH2 0x1EF0 JUMP JUMPDEST PUSH2 0x230F PUSH1 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- "opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0x6C JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x18978E82 DUP2 EQ PUSH2 0xC8 JUMPI DUP1 PUSH4 0x630F1E6C EQ PUSH2 0xF2 JUMPI DUP1 PUSH4 0x8DA5CB5B EQ PUSH2 0x112 JUMPI DUP1 PUSH4 0x9395525C EQ PUSH2 0x134 JUMPI DUP1 PUSH4 0xF2FDE38B EQ PUSH2 0x147 JUMPI JUMPDEST PUSH1 0x2 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xC6 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2337 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST STOP JUMPDEST PUSH2 0xDB PUSH2 0xD6 CALLDATASIZE PUSH1 0x4 PUSH2 0x1DA0 JUMP JUMPDEST PUSH2 0x167 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xE9 SWAP3 SWAP2 SWAP1 PUSH2 0x2437 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xFE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xC6 PUSH2 0x10D CALLDATASIZE PUSH1 0x4 PUSH2 0x1E9B JUMP JUMPDEST PUSH2 0x2F7 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x11E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x127 PUSH2 0x388 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xE9 SWAP2 SWAP1 PUSH2 0x22E6 JUMP JUMPDEST PUSH2 0xDB PUSH2 0x142 CALLDATASIZE PUSH1 0x4 PUSH2 0x1CBA JUMP JUMPDEST PUSH2 0x3A4 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x153 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xC6 PUSH2 0x162 CALLDATASIZE PUSH1 0x4 PUSH2 0x1C94 JUMP JUMPDEST PUSH2 0x50A JUMP JUMPDEST PUSH2 0x16F PUSH2 0x19A9 JUMP JUMPDEST PUSH2 0x177 PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0x182 PUSH2 0x5BB JUMP JUMPDEST PUSH1 0x4 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x1F PUSH1 0x2 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH2 0x100 PUSH1 0x1 DUP9 AND ISZERO MUL ADD SWAP1 SWAP6 AND SWAP5 SWAP1 SWAP5 DIV SWAP4 DUP5 ADD DUP2 SWAP1 DIV DUP2 MUL DUP3 ADD DUP2 ADD SWAP1 SWAP3 MSTORE DUP3 DUP2 MSTORE PUSH2 0x25C SWAP4 SWAP1 SWAP3 SWAP1 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x22D JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x202 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x22D JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x210 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP DUP13 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x241 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x140 ADD MLOAD SWAP1 PUSH4 0xFFFFFFFF PUSH2 0x696 AND JUMP JUMPDEST ISZERO PUSH2 0x287 JUMPI PUSH2 0x26C DUP12 DUP12 DUP12 PUSH2 0x7C3 JUMP JUMPDEST SWAP4 POP PUSH2 0x280 DUP5 PUSH1 0x0 ADD MLOAD DUP6 PUSH1 0x60 ADD MLOAD PUSH2 0xACB JUMP JUMPDEST SWAP1 POP PUSH2 0x2AE JUMP JUMPDEST PUSH2 0x292 DUP12 DUP12 DUP12 PUSH2 0xB0D JUMP JUMPDEST SWAP4 POP DUP4 PUSH1 0x60 ADD MLOAD SWAP2 POP PUSH2 0x2A6 DUP9 DUP4 DUP10 PUSH2 0x7C3 JUMP JUMPDEST DUP5 MLOAD SWAP1 SWAP4 POP SWAP1 POP JUMPDEST PUSH2 0x2C2 DUP5 PUSH1 0x20 ADD MLOAD DUP5 PUSH1 0x20 ADD MLOAD DUP9 DUP9 PUSH2 0xD1F JUMP JUMPDEST PUSH2 0x2E9 DUP12 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x2D4 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x140 ADD MLOAD DUP3 PUSH2 0xF33 JUMP JUMPDEST POP POP SWAP8 POP SWAP8 SWAP6 POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x348 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23E7 JUMP JUMPDEST PUSH2 0x383 DUP4 DUP4 DUP1 DUP1 PUSH1 0x1F ADD PUSH1 0x20 DUP1 SWAP2 DIV MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP4 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP4 DUP4 DUP1 DUP3 DUP5 CALLDATACOPY POP DUP8 SWAP5 POP PUSH2 0xF33 SWAP4 POP POP POP POP JUMP JUMPDEST POP POP POP JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH2 0x3AC PUSH2 0x19A9 JUMP JUMPDEST PUSH2 0x3B4 PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH2 0x3C1 PUSH2 0x5BB JUMP JUMPDEST PUSH1 0x4 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x1F PUSH1 0x2 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH2 0x100 PUSH1 0x1 DUP9 AND ISZERO MUL ADD SWAP1 SWAP6 AND SWAP5 SWAP1 SWAP5 DIV SWAP4 DUP5 ADD DUP2 SWAP1 DIV DUP2 MUL DUP3 ADD DUP2 ADD SWAP1 SWAP3 MSTORE DUP3 DUP2 MSTORE PUSH2 0x441 SWAP4 SWAP1 SWAP3 SWAP1 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x22D JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x202 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x22D JUMP JUMPDEST ISZERO PUSH2 0x492 JUMPI PUSH2 0x46A PUSH8 0xDE0B6B3A7640000 PUSH2 0x464 PUSH8 0xDE0B6B3A7640000 DUP11 PUSH2 0x104F JUMP JUMPDEST CALLVALUE PUSH2 0x1099 JUMP JUMPDEST SWAP3 POP PUSH2 0x477 DUP12 DUP5 DUP13 PUSH2 0x10F1 JUMP JUMPDEST SWAP5 POP PUSH2 0x48B DUP6 PUSH1 0x0 ADD MLOAD DUP7 PUSH1 0x60 ADD MLOAD PUSH2 0xACB JUMP JUMPDEST SWAP1 POP PUSH2 0x4D6 JUMP JUMPDEST PUSH2 0x4AD PUSH8 0xD2F13F7789F0000 PUSH8 0xDE0B6B3A7640000 CALLVALUE PUSH2 0x1099 JUMP JUMPDEST SWAP3 POP PUSH2 0x4BA DUP12 DUP5 DUP13 PUSH2 0x10F1 JUMP JUMPDEST SWAP5 POP DUP5 PUSH1 0x60 ADD MLOAD SWAP2 POP PUSH2 0x4CE DUP10 DUP4 DUP11 PUSH2 0x7C3 JUMP JUMPDEST DUP6 MLOAD SWAP1 SWAP5 POP SWAP1 POP JUMPDEST PUSH2 0x4EA DUP6 PUSH1 0x20 ADD MLOAD DUP6 PUSH1 0x20 ADD MLOAD DUP10 DUP10 PUSH2 0xD1F JUMP JUMPDEST PUSH2 0x4FC DUP12 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x2D4 JUMPI INVALID JUMPDEST POP POP POP SWAP7 POP SWAP7 SWAP5 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x55B JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23E7 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0x5B8 JUMPI PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND OR SWAP1 SSTORE JUMPDEST POP JUMP JUMPDEST PUSH1 0x0 CALLVALUE GT PUSH2 0x5F5 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2347 JUMP JUMPDEST PUSH1 0x2 PUSH1 0x0 SWAP1 SLOAD SWAP1 PUSH2 0x100 EXP SWAP1 DIV PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH4 0xD0E30DB0 CALLVALUE PUSH1 0x40 MLOAD DUP3 PUSH4 0xFFFFFFFF AND PUSH29 0x100000000000000000000000000000000000000000000000000000000 MUL DUP2 MSTORE PUSH1 0x4 ADD PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 DUP6 DUP9 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x67B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x68F JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 MLOAD DUP4 MLOAD EQ DUP1 ISZERO PUSH2 0x7BA JUMPI POP DUP2 PUSH1 0x40 MLOAD DUP1 DUP3 DUP1 MLOAD SWAP1 PUSH1 0x20 ADD SWAP1 DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x6F2 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x6B5 JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 MLOAD SWAP2 SWAP1 SWAP4 ADD DUP2 SWAP1 SUB DUP2 KECCAK256 DUP9 MLOAD SWAP1 SWAP6 POP DUP9 SWAP5 POP SWAP1 SWAP3 DUP4 SWAP3 POP DUP5 ADD SWAP1 DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x787 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x74A JUMP JUMPDEST PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB DUP1 NOT DUP3 MLOAD AND DUP2 DUP5 MLOAD AND DUP1 DUP3 OR DUP6 MSTORE POP POP POP POP POP POP SWAP1 POP ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 KECCAK256 PUSH1 0x0 NOT AND EQ JUMPDEST SWAP1 POP JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH2 0x7CB PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 PUSH2 0x7DE PUSH2 0x19A9 JUMP JUMPDEST DUP11 ISZERO ISZERO PUSH2 0x7EA JUMPI PUSH2 0xABC JUMP JUMPDEST PUSH1 0x4 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x88E JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x863 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x88E JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x871 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP PUSH1 0x5 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x1F PUSH1 0x2 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH2 0x100 PUSH1 0x1 DUP9 AND ISZERO MUL ADD SWAP1 SWAP6 AND SWAP5 SWAP1 SWAP5 DIV SWAP4 DUP5 ADD DUP2 SWAP1 DIV DUP2 MUL DUP3 ADD DUP2 ADD SWAP1 SWAP3 MSTORE DUP3 DUP2 MSTORE SWAP7 SWAP15 POP SWAP2 SWAP5 POP SWAP3 POP DUP5 ADD SWAP1 POP DUP3 DUP3 DUP1 ISZERO PUSH2 0x93D JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x912 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x93D JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x920 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP SWAP7 POP PUSH1 0x0 SWAP6 POP DUP12 MLOAD SWAP5 POP PUSH1 0x0 SWAP4 POP JUMPDEST DUP4 DUP6 EQ PUSH2 0xA82 JUMPI DUP8 DUP13 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x967 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x140 ADD MSTORE DUP12 MLOAD DUP8 SWAP1 DUP14 SWAP1 DUP7 SWAP1 DUP2 LT PUSH2 0x986 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x160 ADD MSTORE PUSH2 0x99F DUP12 DUP8 PUSH2 0xACB JUMP JUMPDEST SWAP3 POP PUSH2 0xA06 DUP13 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x9B2 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0xA0 ADD MLOAD PUSH2 0xA00 DUP15 DUP8 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x9D1 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0x80 ADD MLOAD DUP16 DUP9 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x9ED JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0xE0 ADD MLOAD PUSH2 0xACB JUMP JUMPDEST DUP6 PUSH2 0x1099 JUMP JUMPDEST SWAP2 POP PUSH2 0xA4B DUP13 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA19 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0xA2E DUP5 PUSH1 0x1 PUSH2 0x104F JUMP JUMPDEST DUP13 DUP8 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA3C JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x1295 JUMP JUMPDEST SWAP1 POP PUSH2 0xA57 DUP10 DUP3 PUSH2 0x130D JUMP JUMPDEST PUSH2 0xA69 DUP10 PUSH1 0x0 ADD MLOAD DUP11 PUSH1 0x60 ADD MLOAD PUSH2 0xACB JUMP JUMPDEST SWAP6 POP DUP11 DUP7 LT PUSH2 0xA77 JUMPI PUSH2 0xA82 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP4 ADD SWAP3 PUSH2 0x951 JUMP JUMPDEST DUP11 DUP7 LT ISZERO PUSH2 0xABC JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23C7 JUMP JUMPDEST POP POP POP POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 GT ISZERO PUSH2 0xB07 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2367 JUMP JUMPDEST POP SWAP1 SUB SWAP1 JUMP JUMPDEST PUSH2 0xB15 PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH2 0xB26 PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x0 DUP12 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xB37 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP2 SWAP1 SWAP2 ADD DUP2 ADD MLOAD PUSH2 0x140 ADD MLOAD PUSH1 0x5 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x2 PUSH1 0x1 DUP5 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP4 AND SWAP3 SWAP1 SWAP3 DIV PUSH1 0x1F DUP2 ADD DUP7 SWAP1 DIV DUP7 MUL DUP4 ADD DUP7 ADD SWAP1 SWAP2 MSTORE DUP1 DUP3 MSTORE SWAP3 SWAP12 POP SWAP3 SWAP1 SWAP2 SWAP1 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0xBEF JUMPI DUP1 PUSH1 0x1F LT PUSH2 0xBC4 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0xBEF JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0xBD2 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP SWAP7 POP DUP12 MLOAD SWAP6 POP PUSH1 0x0 SWAP5 POP JUMPDEST DUP5 DUP7 EQ PUSH2 0xCE5 JUMPI DUP8 DUP13 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xC15 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x140 ADD MSTORE DUP12 MLOAD DUP8 SWAP1 DUP14 SWAP1 DUP8 SWAP1 DUP2 LT PUSH2 0xC34 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x160 ADD MSTORE DUP9 MLOAD PUSH2 0xC50 SWAP1 DUP13 SWAP1 PUSH2 0xACB JUMP JUMPDEST SWAP4 POP PUSH2 0xC93 DUP13 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xC63 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0xA0 ADD MLOAD DUP14 DUP8 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xC7F JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0x80 ADD MLOAD DUP7 PUSH2 0x1099 JUMP JUMPDEST SWAP3 POP PUSH2 0xCBF DUP13 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xCA6 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP5 DUP13 DUP9 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA3C JUMPI INVALID JUMPDEST SWAP2 POP PUSH2 0xCCB DUP10 DUP4 PUSH2 0x130D JUMP JUMPDEST POP DUP8 MLOAD DUP11 DUP2 LT PUSH2 0xCDA JUMPI PUSH2 0xCE5 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP5 ADD SWAP4 PUSH2 0xBFF JUMP JUMPDEST DUP11 DUP2 LT ISZERO PUSH2 0xABC JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23C7 JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 DUP1 PUSH7 0xB1A2BC2EC50000 DUP7 GT ISZERO PUSH2 0xD65 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23F7 JUMP JUMPDEST PUSH2 0xD6F DUP9 DUP9 PUSH2 0x104F JUMP JUMPDEST SWAP4 POP CALLVALUE DUP5 GT ISZERO PUSH2 0xDAB JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2357 JUMP JUMPDEST PUSH2 0xDB5 CALLVALUE DUP6 PUSH2 0xACB JUMP JUMPDEST SWAP3 POP PUSH2 0xDCA DUP7 PUSH8 0xDE0B6B3A7640000 DUP11 PUSH2 0x1099 JUMP JUMPDEST SWAP2 POP DUP3 DUP3 GT ISZERO PUSH2 0xE06 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23D7 JUMP JUMPDEST PUSH1 0x0 DUP4 GT ISZERO PUSH2 0xF29 JUMPI PUSH1 0x2 SLOAD PUSH1 0x40 MLOAD PUSH32 0x2E1A7D4D00000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP2 AND SWAP1 PUSH4 0x2E1A7D4D SWAP1 PUSH2 0xE65 SWAP1 DUP7 SWAP1 PUSH1 0x4 ADD PUSH2 0x2453 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0xE7F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0xE93 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x0 DUP3 GT ISZERO PUSH2 0xEE5 JUMPI PUSH1 0x40 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 AND SWAP1 DUP4 ISZERO PUSH2 0x8FC MUL SWAP1 DUP5 SWAP1 PUSH1 0x0 DUP2 DUP2 DUP2 DUP6 DUP9 DUP9 CALL SWAP4 POP POP POP POP ISZERO DUP1 ISZERO PUSH2 0xEE3 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP JUMPDEST PUSH2 0xEEF DUP4 DUP4 PUSH2 0xACB JUMP JUMPDEST SWAP1 POP PUSH1 0x0 DUP2 GT ISZERO PUSH2 0xF29 JUMPI PUSH1 0x40 MLOAD CALLER SWAP1 DUP3 ISZERO PUSH2 0x8FC MUL SWAP1 DUP4 SWAP1 PUSH1 0x0 DUP2 DUP2 DUP2 DUP6 DUP9 DUP9 CALL SWAP4 POP POP POP POP ISZERO DUP1 ISZERO PUSH2 0xF27 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP JUMPDEST POP POP POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0xF45 DUP4 DUP3 PUSH4 0xFFFFFFFF PUSH2 0x136F AND JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x4552433230546F6B656E28616464726573732900000000000000000000000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x13 ADD SWAP1 KECCAK256 SWAP1 SWAP2 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP1 DUP4 AND SWAP2 AND EQ ISZERO PUSH2 0xFB5 JUMPI PUSH2 0xFB0 DUP4 DUP4 PUSH2 0x13DC JUMP JUMPDEST PUSH2 0x383 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x455243373231546F6B656E28616464726573732C75696E743235362900000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x1C ADD SWAP1 KECCAK256 PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP3 DUP2 AND SWAP2 AND EQ ISZERO PUSH2 0x101D JUMPI PUSH2 0xFB0 DUP4 DUP4 PUSH2 0x15CA JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23A7 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 ADD DUP4 DUP2 LT ISZERO PUSH2 0x108E JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2397 JUMP JUMPDEST DUP1 SWAP2 POP JUMPDEST POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP4 GT PUSH2 0x10D4 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2387 JUMP JUMPDEST PUSH2 0x10E7 PUSH2 0x10E1 DUP6 DUP5 PUSH2 0x16B2 JUMP JUMPDEST DUP5 PUSH2 0x170D JUMP JUMPDEST SWAP1 POP JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH2 0x10F9 PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 PUSH2 0x1109 PUSH2 0x19A9 JUMP JUMPDEST DUP10 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1118 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP2 SWAP1 SWAP2 ADD DUP2 ADD MLOAD PUSH2 0x140 ADD MLOAD PUSH1 0x5 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x2 PUSH1 0x1 DUP5 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP4 AND SWAP3 SWAP1 SWAP3 DIV PUSH1 0x1F DUP2 ADD DUP7 SWAP1 DIV DUP7 MUL DUP4 ADD DUP7 ADD SWAP1 SWAP2 MSTORE DUP1 DUP3 MSTORE SWAP3 SWAP10 POP SWAP3 SWAP1 SWAP2 SWAP1 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x11D0 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x11A5 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x11D0 JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x11B3 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP SWAP5 POP DUP10 MLOAD SWAP4 POP PUSH1 0x0 SWAP3 POP JUMPDEST DUP3 DUP5 EQ PUSH2 0x1288 JUMPI DUP6 DUP11 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x11F6 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x140 ADD MSTORE DUP10 MLOAD DUP6 SWAP1 DUP12 SWAP1 DUP6 SWAP1 DUP2 LT PUSH2 0x1215 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x160 ADD DUP2 SWAP1 MSTORE POP PUSH2 0x1235 DUP10 DUP9 PUSH1 0x20 ADD MLOAD PUSH2 0xACB JUMP JUMPDEST SWAP2 POP PUSH2 0x1261 DUP11 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1248 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP4 DUP11 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA3C JUMPI INVALID JUMPDEST SWAP1 POP PUSH2 0x126D DUP8 DUP3 PUSH2 0x130D JUMP JUMPDEST PUSH1 0x20 DUP8 ADD MLOAD DUP10 GT PUSH2 0x127D JUMPI PUSH2 0x1288 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP3 ADD SWAP2 PUSH2 0x11E0 JUMP JUMPDEST POP POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH2 0x129D PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x0 PUSH2 0x12AC DUP7 DUP7 DUP7 PUSH2 0x1724 JUMP JUMPDEST PUSH1 0x1 SLOAD DUP2 MLOAD SWAP2 SWAP4 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP2 POP PUSH1 0x80 SWAP1 DUP4 SWAP1 PUSH1 0x20 DUP3 ADD PUSH1 0x0 DUP6 GAS CALL DUP1 ISZERO PUSH2 0x1303 JUMPI DUP3 MLOAD DUP5 MSTORE PUSH1 0x20 DUP4 ADD MLOAD PUSH1 0x20 DUP6 ADD MSTORE PUSH1 0x40 DUP4 ADD MLOAD PUSH1 0x40 DUP6 ADD MSTORE PUSH1 0x60 DUP4 ADD MLOAD PUSH1 0x60 DUP6 ADD MSTORE JUMPDEST POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST DUP2 MLOAD DUP2 MLOAD PUSH2 0x131B SWAP2 SWAP1 PUSH2 0x104F JUMP JUMPDEST DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 ADD MLOAD SWAP1 DUP3 ADD MLOAD PUSH2 0x1331 SWAP2 SWAP1 PUSH2 0x104F JUMP JUMPDEST PUSH1 0x20 DUP4 ADD MSTORE PUSH1 0x40 DUP1 DUP4 ADD MLOAD SWAP1 DUP3 ADD MLOAD PUSH2 0x134A SWAP2 SWAP1 PUSH2 0x104F JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MSTORE PUSH1 0x60 DUP1 DUP4 ADD MLOAD SWAP1 DUP3 ADD MLOAD PUSH2 0x1363 SWAP2 SWAP1 PUSH2 0x104F JUMP JUMPDEST PUSH1 0x60 SWAP1 SWAP3 ADD SWAP2 SWAP1 SWAP2 MSTORE POP JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x4 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x13B1 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2417 JUMP JUMPDEST POP ADD PUSH1 0x20 ADD MLOAD PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0x13F0 DUP5 PUSH1 0x10 PUSH4 0xFFFFFFFF PUSH2 0x18F6 AND JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x7472616E7366657228616464726573732C75696E743235362900000000000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x19 ADD DUP2 KECCAK256 SWAP2 SWAP4 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND SWAP2 SWAP1 PUSH2 0x144E SWAP1 CALLER SWAP1 DUP8 SWAP1 PUSH1 0x24 ADD PUSH2 0x231C JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 DUP2 DUP5 SUB ADD DUP2 MSTORE SWAP2 DUP2 MSTORE PUSH1 0x20 DUP3 ADD DUP1 MLOAD PUSH28 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 OR DUP4 MSTORE MLOAD DUP2 MLOAD SWAP2 SWAP3 SWAP1 SWAP2 DUP3 SWAP2 SWAP1 DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x14F2 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x14DA JUMP JUMPDEST POP POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x151F JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP2 POP POP PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP7 GAS CALL SWAP3 POP POP POP DUP1 ISZERO ISZERO PUSH2 0x156E JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23B7 JUMP JUMPDEST RETURNDATASIZE ISZERO PUSH2 0x158B JUMPI POP PUSH1 0x0 RETURNDATASIZE PUSH1 0x20 EQ ISZERO PUSH2 0x158B JUMPI PUSH1 0x20 PUSH1 0x0 DUP1 RETURNDATACOPY POP PUSH1 0x0 MLOAD JUMPDEST DUP1 ISZERO ISZERO PUSH2 0x15C4 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23B7 JUMP JUMPDEST POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x1 DUP4 EQ PUSH2 0x1607 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2427 JUMP JUMPDEST PUSH2 0x1618 DUP5 PUSH1 0x10 PUSH4 0xFFFFFFFF PUSH2 0x18F6 AND JUMP JUMPDEST SWAP2 POP PUSH2 0x162B DUP5 PUSH1 0x24 PUSH4 0xFFFFFFFF PUSH2 0x1957 AND JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH32 0x23B872DD00000000000000000000000000000000000000000000000000000000 DUP2 MSTORE SWAP1 SWAP2 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND SWAP1 PUSH4 0x23B872DD SWAP1 PUSH2 0x1684 SWAP1 ADDRESS SWAP1 CALLER SWAP1 DUP7 SWAP1 PUSH1 0x4 ADD PUSH2 0x22F4 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x169E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0xF29 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST PUSH1 0x0 DUP1 DUP4 ISZERO ISZERO PUSH2 0x16C5 JUMPI PUSH1 0x0 SWAP2 POP PUSH2 0x1092 JUMP JUMPDEST POP DUP3 DUP3 MUL DUP3 DUP5 DUP3 DUP2 ISZERO ISZERO PUSH2 0x16D5 JUMPI INVALID JUMPDEST DIV EQ PUSH2 0x108E JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2397 JUMP JUMPDEST PUSH1 0x0 DUP1 DUP3 DUP5 DUP2 ISZERO ISZERO PUSH2 0x171B JUMPI INVALID JUMPDEST DIV SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0xB4BE83D500000000000000000000000000000000000000000000000000000000 PUSH1 0x20 DUP1 DUP4 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0x60 PUSH1 0x24 DUP4 ADD DUP2 DUP2 MSTORE DUP8 MLOAD PUSH1 0x84 DUP6 ADD SWAP1 DUP2 MSTORE DUP9 DUP5 ADD MLOAD PUSH1 0xA4 DUP7 ADD MSTORE SWAP5 DUP9 ADD MLOAD PUSH1 0xC4 DUP6 ADD MSTORE SWAP1 DUP8 ADD MLOAD PUSH1 0xE4 DUP5 ADD MSTORE PUSH1 0x80 DUP8 ADD MLOAD PUSH2 0x104 DUP5 ADD MSTORE PUSH1 0xA0 DUP8 ADD MLOAD PUSH2 0x124 DUP5 ADD MSTORE PUSH1 0xC0 DUP8 ADD MLOAD PUSH2 0x144 DUP5 ADD MSTORE PUSH1 0xE0 DUP8 ADD MLOAD PUSH2 0x164 DUP5 ADD MSTORE PUSH2 0x100 DUP8 ADD MLOAD PUSH2 0x184 DUP5 ADD MSTORE PUSH2 0x120 DUP8 ADD MLOAD PUSH2 0x1A4 DUP5 ADD MSTORE PUSH2 0x140 DUP8 ADD DUP1 MLOAD PUSH2 0x1C4 DUP6 ADD SWAP1 DUP2 MSTORE PUSH2 0x160 DUP10 ADD MLOAD PUSH2 0x1E4 DUP7 ADD MSTORE PUSH2 0x180 SWAP1 MSTORE MLOAD DUP1 MLOAD PUSH2 0x204 DUP6 ADD DUP2 SWAP1 MSTORE SWAP4 SWAP5 SWAP2 SWAP4 DUP5 SWAP4 PUSH1 0x44 DUP8 ADD SWAP3 DUP5 SWAP3 PUSH2 0x224 DUP10 ADD SWAP3 SWAP2 DUP3 ADD SWAP2 PUSH1 0x1F DUP3 ADD DIV PUSH1 0x0 JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x182B JUMPI DUP4 MLOAD DUP6 MSTORE PUSH1 0x20 SWAP5 DUP6 ADD SWAP5 SWAP1 SWAP4 ADD SWAP3 PUSH1 0x1 ADD PUSH2 0x180D JUMP JUMPDEST POP POP POP POP DUP2 DUP2 SUB PUSH2 0x160 DUP1 DUP5 ADD SWAP2 SWAP1 SWAP2 MSTORE DUP11 ADD MLOAD DUP1 MLOAD DUP1 DUP4 MSTORE PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 DUP3 ADD SWAP2 PUSH1 0x1F DUP3 ADD DIV PUSH1 0x0 JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x1874 JUMPI DUP4 MLOAD DUP6 MSTORE PUSH1 0x20 SWAP5 DUP6 ADD SWAP5 SWAP1 SWAP4 ADD SWAP3 PUSH1 0x1 ADD PUSH2 0x1856 JUMP JUMPDEST POP POP POP DUP10 DUP5 MSTORE POP DUP5 DUP2 SUB PUSH1 0x20 SWAP4 DUP5 ADD SWAP1 DUP2 MSTORE DUP9 MLOAD DUP1 DUP4 MSTORE SWAP1 SWAP4 SWAP2 DUP3 ADD SWAP2 DUP10 DUP2 ADD SWAP2 SWAP1 PUSH1 0x1F DUP3 ADD DIV PUSH1 0x0 JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x18BC JUMPI DUP4 MLOAD DUP6 MSTORE PUSH1 0x20 SWAP5 DUP6 ADD SWAP5 SWAP1 SWAP4 ADD SWAP3 PUSH1 0x1 ADD PUSH2 0x189E JUMP JUMPDEST POP POP POP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 DUP9 DUP4 SUB ADD DUP9 MSTORE POP PUSH1 0x40 MSTORE POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x14 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x1938 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2407 JUMP JUMPDEST POP ADD PUSH1 0x14 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x7BA DUP4 DUP4 PUSH1 0x0 DUP2 PUSH1 0x20 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x19A0 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2377 JUMP JUMPDEST POP ADD PUSH1 0x20 ADD MLOAD SWAP1 JUMP JUMPDEST PUSH1 0x80 PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE POP SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x7BA DUP3 CALLDATALOAD PUSH2 0x24EF JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x19EF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x1A02 PUSH2 0x19FD DUP3 PUSH2 0x2488 JUMP JUMPDEST PUSH2 0x2461 JUMP JUMPDEST DUP2 DUP2 MSTORE PUSH1 0x20 SWAP4 DUP5 ADD SWAP4 SWAP1 SWAP3 POP DUP3 ADD DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x1A40 JUMPI DUP2 CALLDATALOAD DUP7 ADD PUSH2 0x1A2A DUP9 DUP3 PUSH2 0x1AF0 JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0x1A14 JUMP JUMPDEST POP POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x1A5B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x1A69 PUSH2 0x19FD DUP3 PUSH2 0x2488 JUMP JUMPDEST DUP2 DUP2 MSTORE PUSH1 0x20 SWAP4 DUP5 ADD SWAP4 SWAP1 SWAP3 POP DUP3 ADD DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x1A40 JUMPI DUP2 CALLDATALOAD DUP7 ADD PUSH2 0x1A91 DUP9 DUP3 PUSH2 0x1B3F JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0x1A7B JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x1F DUP4 ADD DUP5 SGT PUSH2 0x1AB9 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP DUP2 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1AD1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x20 DUP4 ADD SWAP2 POP DUP4 PUSH1 0x1 DUP3 MUL DUP4 ADD GT ISZERO PUSH2 0x1AE9 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x1B01 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x1B0F PUSH2 0x19FD DUP3 PUSH2 0x24A9 JUMP JUMPDEST SWAP2 POP DUP1 DUP3 MSTORE PUSH1 0x20 DUP4 ADD PUSH1 0x20 DUP4 ADD DUP6 DUP4 DUP4 ADD GT ISZERO PUSH2 0x1B2B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1B36 DUP4 DUP3 DUP5 PUSH2 0x250B JUMP JUMPDEST POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x180 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x1B52 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1B5D PUSH2 0x180 PUSH2 0x2461 JUMP JUMPDEST SWAP1 POP PUSH1 0x0 PUSH2 0x1B6B DUP5 DUP5 PUSH2 0x19D2 JUMP JUMPDEST DUP3 MSTORE POP PUSH1 0x20 PUSH2 0x1B7C DUP5 DUP5 DUP4 ADD PUSH2 0x19D2 JUMP JUMPDEST PUSH1 0x20 DUP4 ADD MSTORE POP PUSH1 0x40 PUSH2 0x1B90 DUP5 DUP3 DUP6 ADD PUSH2 0x19D2 JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MSTORE POP PUSH1 0x60 PUSH2 0x1BA4 DUP5 DUP3 DUP6 ADD PUSH2 0x19D2 JUMP JUMPDEST PUSH1 0x60 DUP4 ADD MSTORE POP PUSH1 0x80 PUSH2 0x1BB8 DUP5 DUP3 DUP6 ADD PUSH2 0x1C88 JUMP JUMPDEST PUSH1 0x80 DUP4 ADD MSTORE POP PUSH1 0xA0 PUSH2 0x1BCC DUP5 DUP3 DUP6 ADD PUSH2 0x1C88 JUMP JUMPDEST PUSH1 0xA0 DUP4 ADD MSTORE POP PUSH1 0xC0 PUSH2 0x1BE0 DUP5 DUP3 DUP6 ADD PUSH2 0x1C88 JUMP JUMPDEST PUSH1 0xC0 DUP4 ADD MSTORE POP PUSH1 0xE0 PUSH2 0x1BF4 DUP5 DUP3 DUP6 ADD PUSH2 0x1C88 JUMP JUMPDEST PUSH1 0xE0 DUP4 ADD MSTORE POP PUSH2 0x100 PUSH2 0x1C09 DUP5 DUP3 DUP6 ADD PUSH2 0x1C88 JUMP JUMPDEST PUSH2 0x100 DUP4 ADD MSTORE POP PUSH2 0x120 PUSH2 0x1C1F DUP5 DUP3 DUP6 ADD PUSH2 0x1C88 JUMP JUMPDEST PUSH2 0x120 DUP4 ADD MSTORE POP PUSH2 0x140 DUP3 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1C41 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1C4D DUP5 DUP3 DUP6 ADD PUSH2 0x1AF0 JUMP JUMPDEST PUSH2 0x140 DUP4 ADD MSTORE POP PUSH2 0x160 DUP3 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1C6F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1C7B DUP5 DUP3 DUP6 ADD PUSH2 0x1AF0 JUMP JUMPDEST PUSH2 0x160 DUP4 ADD MSTORE POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x7BA DUP3 CALLDATALOAD PUSH2 0x2508 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x1CA6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x1CB2 DUP5 DUP5 PUSH2 0x19D2 JUMP JUMPDEST SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0xC0 DUP8 DUP10 SUB SLT ISZERO PUSH2 0x1CD3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP7 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1CEA JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1CF6 DUP10 DUP3 DUP11 ADD PUSH2 0x1A4A JUMP JUMPDEST SWAP7 POP POP PUSH1 0x20 DUP8 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1D13 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1D1F DUP10 DUP3 DUP11 ADD PUSH2 0x19DE JUMP JUMPDEST SWAP6 POP POP PUSH1 0x40 DUP8 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1D3C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1D48 DUP10 DUP3 DUP11 ADD PUSH2 0x1A4A JUMP JUMPDEST SWAP5 POP POP PUSH1 0x60 DUP8 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1D65 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1D71 DUP10 DUP3 DUP11 ADD PUSH2 0x19DE JUMP JUMPDEST SWAP4 POP POP PUSH1 0x80 PUSH2 0x1D82 DUP10 DUP3 DUP11 ADD PUSH2 0x1C88 JUMP JUMPDEST SWAP3 POP POP PUSH1 0xA0 PUSH2 0x1D93 DUP10 DUP3 DUP11 ADD PUSH2 0x19D2 JUMP JUMPDEST SWAP2 POP POP SWAP3 SWAP6 POP SWAP3 SWAP6 POP SWAP3 SWAP6 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0xE0 DUP9 DUP11 SUB SLT ISZERO PUSH2 0x1DBB JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP8 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1DD2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1DDE DUP11 DUP3 DUP12 ADD PUSH2 0x1A4A JUMP JUMPDEST SWAP8 POP POP PUSH1 0x20 PUSH2 0x1DEF DUP11 DUP3 DUP12 ADD PUSH2 0x1C88 JUMP JUMPDEST SWAP7 POP POP PUSH1 0x40 DUP9 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1E0C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1E18 DUP11 DUP3 DUP12 ADD PUSH2 0x19DE JUMP JUMPDEST SWAP6 POP POP PUSH1 0x60 DUP9 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1E35 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1E41 DUP11 DUP3 DUP12 ADD PUSH2 0x1A4A JUMP JUMPDEST SWAP5 POP POP PUSH1 0x80 DUP9 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1E5E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1E6A DUP11 DUP3 DUP12 ADD PUSH2 0x19DE JUMP JUMPDEST SWAP4 POP POP PUSH1 0xA0 PUSH2 0x1E7B DUP11 DUP3 DUP12 ADD PUSH2 0x1C88 JUMP JUMPDEST SWAP3 POP POP PUSH1 0xC0 PUSH2 0x1E8C DUP11 DUP3 DUP12 ADD PUSH2 0x19D2 JUMP JUMPDEST SWAP2 POP POP SWAP3 SWAP6 SWAP9 SWAP2 SWAP5 SWAP8 POP SWAP3 SWAP6 POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x40 DUP5 DUP7 SUB SLT ISZERO PUSH2 0x1EB0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP4 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1EC7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1ED3 DUP7 DUP3 DUP8 ADD PUSH2 0x1AA7 JUMP JUMPDEST SWAP4 POP SWAP4 POP POP PUSH1 0x20 PUSH2 0x1EE6 DUP7 DUP3 DUP8 ADD PUSH2 0x1C88 JUMP JUMPDEST SWAP2 POP POP SWAP3 POP SWAP3 POP SWAP3 JUMP JUMPDEST PUSH2 0x1EF9 DUP2 PUSH2 0x24EF JUMP JUMPDEST DUP3 MSTORE POP POP JUMP JUMPDEST PUSH1 0x23 DUP2 MSTORE PUSH32 0x44454641554C545F46554E4354494F4E5F574554485F434F4E54524143545F4F PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x4E4C590000000000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x11 DUP2 MSTORE PUSH32 0x494E56414C49445F4D53475F56414C5545000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xD DUP2 MSTORE PUSH32 0x4F564552534F4C445F5745544800000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x11 DUP2 MSTORE PUSH32 0x55494E543235365F554E444552464C4F57000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x26 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F33325F4C454E4754485F5245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5155495245440000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x10 DUP2 MSTORE PUSH32 0x4449564953494F4E5F42595F5A45524F00000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x10 DUP2 MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x17 DUP2 MSTORE PUSH32 0x554E535550504F525445445F41535345545F50524F5859000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xF DUP2 MSTORE PUSH32 0x5452414E534645525F4641494C45440000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x14 DUP2 MSTORE PUSH32 0x434F4D504C4554455F46494C4C5F4641494C4544000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x1A DUP2 MSTORE PUSH32 0x494E53554646494349454E545F4554485F52454D41494E494E47000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x13 DUP2 MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x18 DUP2 MSTORE PUSH32 0x4645455F50455243454E544147455F544F4F5F4C415247450000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x26 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F32305F4C454E4754485F5245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5155495245440000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x25 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F345F4C454E4754485F524551 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5549524544000000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0xE DUP2 MSTORE PUSH32 0x494E56414C49445F414D4F554E54000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST DUP1 MLOAD PUSH1 0x80 DUP4 ADD SWAP1 PUSH2 0x22A8 DUP5 DUP3 PUSH2 0x22DD JUMP JUMPDEST POP PUSH1 0x20 DUP3 ADD MLOAD PUSH2 0x22BB PUSH1 0x20 DUP6 ADD DUP3 PUSH2 0x22DD JUMP JUMPDEST POP PUSH1 0x40 DUP3 ADD MLOAD PUSH2 0x22CE PUSH1 0x40 DUP6 ADD DUP3 PUSH2 0x22DD JUMP JUMPDEST POP PUSH1 0x60 DUP3 ADD MLOAD PUSH2 0x15C4 PUSH1 0x60 DUP6 ADD DUP3 JUMPDEST PUSH2 0x1EF9 DUP2 PUSH2 0x2508 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x7BD DUP3 DUP5 PUSH2 0x1EF0 JUMP JUMPDEST PUSH1 0x60 DUP2 ADD PUSH2 0x2302 DUP3 DUP7 PUSH2 0x1EF0 JUMP JUMPDEST PUSH2 0x230F PUSH1 0x20 DUP4 ADD DUP6 PUSH2 0x1EF0 JUMP JUMPDEST PUSH2 0x1CB2 PUSH1 0x40 DUP4 ADD DUP5 PUSH2 0x22DD JUMP JUMPDEST PUSH1 0x40 DUP2 ADD PUSH2 0x232A DUP3 DUP6 PUSH2 0x1EF0 JUMP JUMPDEST PUSH2 0x10EA PUSH1 0x20 DUP4 ADD DUP5 PUSH2 0x22DD JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x1EFF JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x1F55 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x1F85 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x1FB5 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x1FE5 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x203B JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x206B JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x209B JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x20CB JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x20FB JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x212B JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x215B JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x218B JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x21BB JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x2211 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x2267 JUMP JUMPDEST PUSH2 0x100 DUP2 ADD PUSH2 0x2446 DUP3 DUP6 PUSH2 0x2297 JUMP JUMPDEST PUSH2 0x10EA PUSH1 0x80 DUP4 ADD DUP5 PUSH2 0x2297 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x7BD DUP3 DUP5 PUSH2 0x22DD JUMP JUMPDEST PUSH1 0x40 MLOAD DUP2 DUP2 ADD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT DUP3 DUP3 LT OR ISZERO PUSH2 0x2480 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x40 MSTORE SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH8 0xFFFFFFFFFFFFFFFF DUP3 GT ISZERO PUSH2 0x249F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x20 SWAP1 DUP2 MUL ADD SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH8 0xFFFFFFFFFFFFFFFF DUP3 GT ISZERO PUSH2 0x24C0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x20 PUSH1 0x1F SWAP2 SWAP1 SWAP2 ADD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 AND ADD SWAP1 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST SWAP1 JUMP JUMPDEST DUP3 DUP2 DUP4 CALLDATACOPY POP PUSH1 0x0 SWAP2 ADD MSTORE JUMP STOP LOG2 PUSH6 0x627A7A723058 KECCAK256 XOR GAS DELEGATECALL 0xa5 0xe8 MSTORE JUMPDEST 0xc KECCAK256 SWAP9 EXTCODESIZE CALLCODE 0x2c MULMOD PUSH24 0x3A1CAB3F704716CBA4C8DA3B112601CD666C657870657269 PUSH14 0x656E74616CF50037000000000000 ", - "sourceMap": 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"2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": { - "id": 28 - }, - "2.0.0/protocol/Exchange/interfaces/IExchange.sol": { - "id": 29 - }, - "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": { - "id": 30 - }, - "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": { - "id": 31 - }, - "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": { - "id": 32 - }, - "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": { - "id": 33 - }, - "2.0.0/protocol/Exchange/interfaces/IValidator.sol": { - "id": 34 - }, - "2.0.0/protocol/Exchange/interfaces/IWallet.sol": { - "id": 35 - }, - "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": { - "id": 36 - }, - "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": { - "id": 37 - }, - "2.0.0/protocol/Exchange/libs/LibConstants.sol": { - "id": 38 - }, - "2.0.0/protocol/Exchange/libs/LibEIP712.sol": { - "id": 39 - }, - "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": { - "id": 40 - }, - "2.0.0/protocol/Exchange/libs/LibFillResults.sol": { - "id": 41 - }, - "2.0.0/protocol/Exchange/libs/LibMath.sol": { - "id": 42 - }, - "2.0.0/protocol/Exchange/libs/LibOrder.sol": { - "id": 43 - }, - "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": { - "id": 44 - }, - "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": { - "id": 45 - }, - "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": { - "id": 46 - }, - "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": { - "id": 47 - }, - "2.0.0/protocol/Exchange/mixins/MTransactions.sol": { - "id": 48 - }, - "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": { - "id": 49 - }, - "2.0.0/tokens/ERC20Token/IERC20Token.sol": { - "id": 50 - }, - "2.0.0/tokens/ERC721Token/IERC721Token.sol": { - "id": 51 - }, - "2.0.0/tokens/EtherToken/IEtherToken.sol": { - "id": 52 - }, - "2.0.0/utils/LibBytes/LibBytes.sol": { - "id": 53 - }, - "2.0.0/utils/Ownable/IOwnable.sol": { - "id": 54 - }, - "2.0.0/utils/Ownable/Ownable.sol": { - "id": 55 - }, - "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": { - "id": 56 - }, - "2.0.0/utils/SafeMath/SafeMath.sol": { - "id": 57 - } - }, - "sourceCodes": { - "2.0.0/extensions/Forwarder/Forwarder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinWeth.sol\";\nimport \"./MixinForwarderCore.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinAssets.sol\";\nimport \"./MixinExchangeWrapper.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Forwarder is\n LibConstants,\n MixinWeth,\n MixinAssets,\n MixinExchangeWrapper,\n MixinForwarderCore\n{\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n LibConstants(\n _exchange,\n _zrxAssetData,\n _wethAssetData\n )\n MixinForwarderCore()\n {}\n}\n", - "2.0.0/extensions/Forwarder/MixinAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MAssets.sol\";\n\n\ncontract MixinAssets is\n Ownable,\n LibConstants,\n MAssets\n{\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256(\"transfer(address,uint256)\"));\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external\n onlyOwner\n {\n transferAssetToSender(assetData, amount);\n }\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n bytes4 proxyId = assetData.readBytes4(0);\n\n if (proxyId == ERC20_DATA_ID) {\n transferERC20Token(assetData, amount);\n } else if (proxyId == ERC721_DATA_ID) {\n transferERC721Token(assetData, amount);\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n }\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n address token = assetData.readAddress(16);\n\n // Transfer tokens.\n // We do a raw call so we can check the success separate\n // from the return data.\n bool success = token.call(abi.encodeWithSelector(\n ERC20_TRANSFER_SELECTOR,\n msg.sender,\n amount\n ));\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n \n // Check return data.\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // value that evaluates to true.\n assembly {\n if returndatasize {\n success := 0\n if eq(returndatasize, 32) {\n // First 64 bytes of memory are reserved scratch space\n returndatacopy(0, 0, 32)\n success := mload(0)\n }\n }\n }\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n }\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n require(\n amount == 1,\n \"INVALID_AMOUNT\"\n );\n // Decode asset data.\n address token = assetData.readAddress(16);\n uint256 tokenId = assetData.readUint256(36);\n\n // Perform transfer.\n IERC721Token(token).transferFrom(\n address(this),\n msg.sender,\n tokenId\n );\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"../../protocol/Exchange/libs/LibAbiEncoder.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinExchangeWrapper is\n LibAbiEncoder,\n LibFillResults,\n LibMath,\n LibConstants,\n MExchangeWrapper\n{\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n address exchange = address(EXCHANGE);\n\n // Call `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := call(\n gas, // forward all gas\n exchange, // call address of Exchange contract\n 0, // transfer 0 wei\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of WETH to sell\n uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of WETH\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount;\n if (makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n\n require(\n makerAssetFilledAmount >= makerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n // Do nothing if zrxBuyAmount == 0\n if (zrxBuyAmount == 0) {\n return totalFillResults;\n }\n\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n uint256 zrxPurchased = 0;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // All of these are ZRX/WETH, so we can drop the respective assetData from calldata.\n orders[i].makerAssetData = zrxAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of ZRX to buy.\n uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased);\n\n // Convert the remaining amount of ZRX to buy into remaining amount\n // of WETH to sell, assuming entire amount can be sold in the current order.\n uint256 remainingWethSellAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees \n remainingZrxBuyAmount\n );\n\n // Attempt to sell the remaining amount of WETH.\n FillResults memory singleFillResult = fillOrderNoThrow(\n orders[i],\n safeAdd(remainingWethSellAmount, 1), // we add 1 wei to the fill amount to make up for rounding errors\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker.\n addFillResults(totalFillResults, singleFillResult);\n zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid);\n\n // Stop execution if the entire amount of ZRX has been bought.\n if (zrxPurchased >= zrxBuyAmount) {\n break;\n }\n }\n\n require(\n zrxPurchased >= zrxBuyAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\nimport \"./mixins/MAssets.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"./interfaces/IForwarderCore.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinForwarderCore is\n LibFillResults,\n LibMath,\n LibConstants,\n MWeth,\n MAssets,\n MExchangeWrapper,\n IForwarderCore\n{\n using LibBytes for bytes;\n\n /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf.\n constructor ()\n public\n {\n address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID);\n require(\n proxyAddress != address(0),\n \"UNREGISTERED_ASSET_PROXY\"\n );\n ETHER_TOKEN.approve(proxyAddress, MAX_UINT);\n ZRX_TOKEN.approve(proxyAddress, MAX_UINT);\n }\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 wethSellAmount;\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // Calculate amount of WETH that won't be spent on ETH fees.\n wethSellAmount = getPartialAmountFloor(\n PERCENTAGE_DENOMINATOR,\n safeAdd(PERCENTAGE_DENOMINATOR, feePercentage),\n msg.value\n );\n // Market sell available WETH.\n // ZRX fees are paid with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // 5% of WETH is reserved for filling feeOrders and paying feeRecipient.\n wethSellAmount = getPartialAmountFloor(\n MAX_WETH_FILL_PERCENTAGE,\n PERCENTAGE_DENOMINATOR,\n msg.value\n );\n // Market sell 95% of WETH.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // If the makerAsset is ZRX, it is not necessary to pay fees out of this\n // contracts's ZRX balance because fees are factored into the price of the order.\n orderFillResults = marketBuyExactZrxWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // Attemp to purchase desired amount of makerAsset.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketBuyExactAmountWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\n\n\ncontract MixinWeth is\n LibMath,\n LibConstants,\n MWeth\n{\n /// @dev Default payabale function, this allows us to withdraw WETH\n function ()\n public\n payable\n {\n require(\n msg.sender == address(ETHER_TOKEN),\n \"DEFAULT_FUNCTION_WETH_CONTRACT_ONLY\"\n );\n }\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal\n {\n require(\n msg.value > 0,\n \"INVALID_MSG_VALUE\"\n );\n ETHER_TOKEN.deposit.value(msg.value)();\n }\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal\n {\n // Ensure feePercentage is less than 5%.\n require(\n feePercentage <= MAX_FEE_PERCENTAGE,\n \"FEE_PERCENTAGE_TOO_LARGE\"\n );\n\n // Ensure that no extra WETH owned by this contract has been sold.\n uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx);\n require(\n wethSold <= msg.value,\n \"OVERSOLD_WETH\"\n );\n\n // Calculate amount of WETH that hasn't been sold.\n uint256 wethRemaining = safeSub(msg.value, wethSold);\n\n // Calculate ETH fee to pay to feeRecipient.\n uint256 ethFee = getPartialAmountFloor(\n feePercentage,\n PERCENTAGE_DENOMINATOR,\n wethSoldExcludingFeeOrders\n );\n\n // Ensure fee is less than amount of WETH remaining.\n require(\n ethFee <= wethRemaining,\n \"INSUFFICIENT_ETH_REMAINING\"\n );\n \n // Do nothing if no WETH remaining\n if (wethRemaining > 0) {\n // Convert remaining WETH to ETH\n ETHER_TOKEN.withdraw(wethRemaining);\n\n // Pay ETH to feeRecipient\n if (ethFee > 0) {\n feeRecipient.transfer(ethFee);\n }\n\n // Refund remaining ETH to msg.sender.\n uint256 ethRefund = safeSub(wethRemaining, ethFee);\n if (ethRefund > 0) {\n msg.sender.transfer(ethRefund);\n }\n }\n }\n}\n", - "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssets {\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external;\n}\n", - "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract IForwarderCore {\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n}\n", - "2.0.0/extensions/Forwarder/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/LibBytes/LibBytes.sol\";\nimport \"../../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../../tokens/EtherToken/IEtherToken.sol\";\nimport \"../../../tokens/ERC20Token/IERC20Token.sol\";\n\n\ncontract LibConstants {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n uint256 constant internal MAX_UINT = 2**256 - 1;\n uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; \n uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5%\n uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95%\n \n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n IEtherToken internal ETHER_TOKEN;\n IERC20Token internal ZRX_TOKEN;\n bytes internal ZRX_ASSET_DATA;\n bytes internal WETH_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n WETH_ASSET_DATA = _wethAssetData;\n\n address etherToken = _wethAssetData.readAddress(16);\n address zrxToken = _zrxAssetData.readAddress(16);\n ETHER_TOKEN = IEtherToken(etherToken);\n ZRX_TOKEN = IERC20Token(zrxToken);\n }\n}\n", - "2.0.0/extensions/Forwarder/mixins/MAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssets.sol\";\n\n\ncontract MAssets is\n IAssets\n{\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n}\n", - "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract MExchangeWrapper {\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n}\n", - "2.0.0/extensions/Forwarder/mixins/MWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract MWeth {\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal;\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal;\n}\n", - "2.0.0/extensions/OrderValidator/OrderValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract OrderValidator {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n struct TraderInfo {\n uint256 makerBalance; // Maker's balance of makerAsset\n uint256 makerAllowance; // Maker's allowance to corresponding AssetProxy\n uint256 takerBalance; // Taker's balance of takerAsset\n uint256 takerAllowance; // Taker's allowance to corresponding AssetProxy\n uint256 makerZrxBalance; // Maker's balance of ZRX\n uint256 makerZrxAllowance; // Maker's allowance of ZRX to ERC20Proxy\n uint256 takerZrxBalance; // Taker's balance of ZRX\n uint256 takerZrxAllowance; // Taker's allowance of ZRX to ERC20Proxy\n }\n\n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n bytes internal ZRX_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (address _exchange, bytes memory _zrxAssetData)\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n }\n\n /// @dev Fetches information for order and maker/taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return OrderInfo and TraderInfo instances for given order.\n function getOrderAndTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo, TraderInfo memory traderInfo)\n {\n orderInfo = EXCHANGE.getOrderInfo(order);\n traderInfo = getTraderInfo(order, takerAddress);\n return (orderInfo, traderInfo);\n }\n\n /// @dev Fetches information for all passed in orders and the makers/takers of each order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Arrays of OrderInfo and TraderInfo instances that correspond to each order.\n function getOrdersAndTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (LibOrder.OrderInfo[] memory ordersInfo, TraderInfo[] memory tradersInfo)\n {\n ordersInfo = EXCHANGE.getOrdersInfo(orders);\n tradersInfo = getTradersInfo(orders, takerAddresses);\n return (ordersInfo, tradersInfo);\n }\n\n /// @dev Fetches balance and allowances for maker and taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return Balances and allowances of maker and taker of order.\n function getTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (TraderInfo memory traderInfo)\n {\n (traderInfo.makerBalance, traderInfo.makerAllowance) = getBalanceAndAllowance(order.makerAddress, order.makerAssetData);\n (traderInfo.takerBalance, traderInfo.takerAllowance) = getBalanceAndAllowance(takerAddress, order.takerAssetData);\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n (traderInfo.makerZrxBalance, traderInfo.makerZrxAllowance) = getBalanceAndAllowance(order.makerAddress, zrxAssetData);\n (traderInfo.takerZrxBalance, traderInfo.takerZrxAllowance) = getBalanceAndAllowance(takerAddress, zrxAssetData);\n return traderInfo;\n }\n\n /// @dev Fetches balances and allowances of maker and taker for each provided order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Array of balances and allowances for maker and taker of each order.\n function getTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (TraderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n TraderInfo[] memory tradersInfo = new TraderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n tradersInfo[i] = getTraderInfo(orders[i], takerAddresses[i]);\n }\n return tradersInfo;\n }\n\n /// @dev Fetches token balances and allowances of an address to given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Encoded data that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balance of asset and allowance set to given proxy of asset.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalanceAndAllowance(address target, bytes memory assetData)\n public\n view\n returns (uint256 balance, uint256 allowance)\n {\n bytes4 assetProxyId = assetData.readBytes4(0);\n address token = assetData.readAddress(16);\n address assetProxy = EXCHANGE.getAssetProxy(assetProxyId);\n\n if (assetProxyId == ERC20_DATA_ID) {\n // Query balance\n balance = IERC20Token(token).balanceOf(target);\n\n // Query allowance\n allowance = IERC20Token(token).allowance(target, assetProxy);\n } else if (assetProxyId == ERC721_DATA_ID) {\n uint256 tokenId = assetData.readUint256(36);\n\n // Query owner of tokenId\n address owner = getERC721TokenOwner(token, tokenId);\n\n // Set balance to 1 if tokenId is owned by target\n balance = target == owner ? 1 : 0;\n\n // Check if ERC721Proxy is approved to spend tokenId\n bool isApproved = IERC721Token(token).isApprovedForAll(target, assetProxy) || IERC721Token(token).getApproved(tokenId) == assetProxy;\n \n // Set alowance to 1 if ERC721Proxy is approved to spend tokenId\n allowance = isApproved ? 1 : 0;\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n return (balance, allowance);\n }\n\n /// @dev Fetches token balances and allowances of an address for each given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Array of encoded byte arrays that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balances and allowances of assets.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalancesAndAllowances(address target, bytes[] memory assetData)\n public\n view\n returns (uint256[] memory, uint256[] memory)\n {\n uint256 length = assetData.length;\n uint256[] memory balances = new uint256[](length);\n uint256[] memory allowances = new uint256[](length);\n for (uint256 i = 0; i != length; i++) {\n (balances[i], allowances[i]) = getBalanceAndAllowance(target, assetData[i]);\n }\n return (balances, allowances);\n }\n\n /// @dev Calls `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token.\n /// @param token Address of ERC721 token.\n /// @param tokenId The identifier for the specific NFT.\n /// @return Owner of tokenId or null address if unowned.\n function getERC721TokenOwner(address token, uint256 tokenId)\n public\n view\n returns (address owner)\n {\n assembly {\n // load free memory pointer\n let cdStart := mload(64)\n\n // bytes4(keccak256(ownerOf(uint256))) = 0x6352211e\n mstore(cdStart, 0x6352211e00000000000000000000000000000000000000000000000000000000)\n mstore(add(cdStart, 4), tokenId)\n\n // staticcall `ownerOf(tokenId)`\n // `ownerOf` will revert if tokenId is not owned\n let success := staticcall(\n gas, // forward all gas\n token, // call token contract\n cdStart, // start of calldata\n 36, // length of input is 36 bytes\n cdStart, // write output over input\n 32 // size of output is 32 bytes\n )\n\n // Success implies that tokenId is owned\n // Copy owner from return data if successful\n if success {\n owner := mload(cdStart)\n } \n }\n\n // Owner initialized to address(0), no need to modify if call is unsuccessful\n return owner;\n }\n}\n", - "2.0.0/multisig/MultiSigWallet.sol": "// solhint-disable\npragma solidity ^0.4.15;\n\n\n/// @title Multisignature wallet - Allows multiple parties to agree on transactions before execution.\n/// @author Stefan George - \ncontract MultiSigWallet {\n\n /*\n * Events\n */\n event Confirmation(address indexed sender, uint indexed transactionId);\n event Revocation(address indexed sender, uint indexed transactionId);\n event Submission(uint indexed transactionId);\n event Execution(uint indexed transactionId);\n event ExecutionFailure(uint indexed transactionId);\n event Deposit(address indexed sender, uint value);\n event OwnerAddition(address indexed owner);\n event OwnerRemoval(address indexed owner);\n event RequirementChange(uint required);\n\n /*\n * Constants\n */\n uint constant public MAX_OWNER_COUNT = 50;\n\n /*\n * Storage\n */\n mapping (uint => Transaction) public transactions;\n mapping (uint => mapping (address => bool)) public confirmations;\n mapping (address => bool) public isOwner;\n address[] public owners;\n uint public required;\n uint public transactionCount;\n\n struct Transaction {\n address destination;\n uint value;\n bytes data;\n bool executed;\n }\n\n /*\n * Modifiers\n */\n modifier onlyWallet() {\n require(msg.sender == address(this));\n _;\n }\n\n modifier ownerDoesNotExist(address owner) {\n require(!isOwner[owner]);\n _;\n }\n\n modifier ownerExists(address owner) {\n require(isOwner[owner]);\n _;\n }\n\n modifier transactionExists(uint transactionId) {\n require(transactions[transactionId].destination != 0);\n _;\n }\n\n modifier confirmed(uint transactionId, address owner) {\n require(confirmations[transactionId][owner]);\n _;\n }\n\n modifier notConfirmed(uint transactionId, address owner) {\n require(!confirmations[transactionId][owner]);\n _;\n }\n\n modifier notExecuted(uint transactionId) {\n require(!transactions[transactionId].executed);\n _;\n }\n\n modifier notNull(address _address) {\n require(_address != 0);\n _;\n }\n\n modifier validRequirement(uint ownerCount, uint _required) {\n require(ownerCount <= MAX_OWNER_COUNT\n && _required <= ownerCount\n && _required != 0\n && ownerCount != 0);\n _;\n }\n\n /// @dev Fallback function allows to deposit ether.\n function()\n payable\n {\n if (msg.value > 0)\n Deposit(msg.sender, msg.value);\n }\n\n /*\n * Public functions\n */\n /// @dev Contract constructor sets initial owners and required number of confirmations.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n function MultiSigWallet(address[] _owners, uint _required)\n public\n validRequirement(_owners.length, _required)\n {\n for (uint i=0; i<_owners.length; i++) {\n require(!isOwner[_owners[i]] && _owners[i] != 0);\n isOwner[_owners[i]] = true;\n }\n owners = _owners;\n required = _required;\n }\n\n /// @dev Allows to add a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of new owner.\n function addOwner(address owner)\n public\n onlyWallet\n ownerDoesNotExist(owner)\n notNull(owner)\n validRequirement(owners.length + 1, required)\n {\n isOwner[owner] = true;\n owners.push(owner);\n OwnerAddition(owner);\n }\n\n /// @dev Allows to remove an owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner.\n function removeOwner(address owner)\n public\n onlyWallet\n ownerExists(owner)\n {\n isOwner[owner] = false;\n for (uint i=0; i owners.length)\n changeRequirement(owners.length);\n OwnerRemoval(owner);\n }\n\n /// @dev Allows to replace an owner with a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner to be replaced.\n /// @param newOwner Address of new owner.\n function replaceOwner(address owner, address newOwner)\n public\n onlyWallet\n ownerExists(owner)\n ownerDoesNotExist(newOwner)\n {\n for (uint i=0; i\n// solhint-disable not-rely-on-time\ncontract MultiSigWalletWithTimeLock is\n MultiSigWallet\n{\n event ConfirmationTimeSet(uint256 indexed transactionId, uint256 confirmationTime);\n event TimeLockChange(uint256 secondsTimeLocked);\n\n uint256 public secondsTimeLocked;\n\n mapping (uint256 => uint256) public confirmationTimes;\n\n modifier notFullyConfirmed(uint256 transactionId) {\n require(\n !isConfirmed(transactionId),\n \"TX_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier fullyConfirmed(uint256 transactionId) {\n require(\n isConfirmed(transactionId),\n \"TX_NOT_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier pastTimeLock(uint256 transactionId) {\n require(\n block.timestamp >= confirmationTimes[transactionId] + secondsTimeLocked,\n \"TIME_LOCK_INCOMPLETE\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations, and time lock.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] _owners,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWallet(_owners, _required)\n {\n secondsTimeLocked = _secondsTimeLocked;\n }\n\n /// @dev Changes the duration of the time lock for transactions.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n function changeTimeLock(uint256 _secondsTimeLocked)\n public\n onlyWallet\n {\n secondsTimeLocked = _secondsTimeLocked;\n emit TimeLockChange(_secondsTimeLocked);\n }\n\n /// @dev Allows an owner to confirm a transaction.\n /// @param transactionId Transaction ID.\n function confirmTransaction(uint256 transactionId)\n public\n ownerExists(msg.sender)\n transactionExists(transactionId)\n notConfirmed(transactionId, msg.sender)\n notFullyConfirmed(transactionId)\n {\n confirmations[transactionId][msg.sender] = true;\n emit Confirmation(msg.sender, transactionId);\n if (isConfirmed(transactionId)) {\n setConfirmationTime(transactionId, block.timestamp);\n }\n }\n\n /// @dev Allows anyone to execute a confirmed transaction.\n /// @param transactionId Transaction ID.\n function executeTransaction(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n pastTimeLock(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n\n /// @dev Sets the time of when a submission first passed.\n function setConfirmationTime(uint256 transactionId, uint256 confirmationTime)\n internal\n {\n confirmationTimes[transactionId] = confirmationTime;\n emit ConfirmationTimeSet(transactionId, confirmationTime);\n }\n}\n", - "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC20Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n \n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 1 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n\n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. amount |\n\n /////// Read token address from calldata ///////\n // * The token address is stored in `assetData`.\n //\n // * The \"offset to assetData\" is stored at offset 4 in the calldata (table 1).\n // [assetDataOffsetFromParams = calldataload(4)]\n //\n // * Notes that the \"offset to assetData\" is relative to the \"Params\" area of calldata;\n // add 4 bytes to account for the length of the \"Header\" area (table 1).\n // [assetDataOffsetFromHeader = assetDataOffsetFromParams + 4]\n //\n // * The \"token address\" is offset 32+4=36 bytes into \"assetData\" (tables 1 & 2).\n // [tokenOffset = assetDataOffsetFromHeader + 36 = calldataload(4) + 4 + 36]\n let token := calldataload(add(calldataload(4), 40))\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from`, `to` and `amount` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 96)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output over input\n 32 // output size should be 32 bytes\n )\n\n /////// Check return data. ///////\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // nonzero 32 bytes value.\n // So the transfer succeeded if the call succeeded and either\n // returned nothing, or returned a non-zero 32 byte value. \n success := and(success, or(\n iszero(returndatasize),\n and(\n eq(returndatasize, 32),\n gt(mload(0), 0)\n )\n ))\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", - "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC721Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 2 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n // | | 36 | | 2. tokenId |\n \n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. tokenId |\n\n // There exists only 1 of each token.\n // require(amount == 1, \"INVALID_AMOUNT\")\n if sub(calldataload(100), 1) {\n // Revert with `Error(\"INVALID_AMOUNT\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from` and `to` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 64)\n\n // Copy `tokenId` field from our own calldata to the new calldata.\n let assetDataOffset := calldataload(4)\n calldatacopy(68, add(assetDataOffset, 72), 32)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let token := calldataload(add(assetDataOffset, 40))\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output to null\n 0 // output size is 0 bytes\n )\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", - "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAuthorizable.sol\";\n\n\ncontract MixinAuthorizable is\n Ownable,\n MAuthorizable\n{\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized {\n require(\n authorized[msg.sender],\n \"SENDER_NOT_AUTHORIZED\"\n );\n _;\n }\n\n mapping (address => bool) public authorized;\n address[] public authorities;\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n !authorized[target],\n \"TARGET_ALREADY_AUTHORIZED\"\n );\n\n authorized[target] = true;\n authorities.push(target);\n emit AuthorizedAddressAdded(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n\n delete authorized[target];\n for (uint256 i = 0; i < authorities.length; i++) {\n if (authorities[i] == target) {\n authorities[i] = authorities[authorities.length - 1];\n authorities.length -= 1;\n break;\n }\n }\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n require(\n index < authorities.length,\n \"INDEX_OUT_OF_BOUNDS\"\n );\n require(\n authorities[index] == target,\n \"AUTHORIZED_ADDRESS_MISMATCH\"\n );\n\n delete authorized[target];\n authorities[index] = authorities[authorities.length - 1];\n authorities.length -= 1;\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory)\n {\n return authorities;\n }\n}\n", - "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IAuthorizable.sol\";\n\n\ncontract IAssetProxy is\n IAuthorizable\n{\n /// @dev Transfers assets. Either succeeds or throws.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n function transferFrom(\n bytes assetData,\n address from,\n address to,\n uint256 amount\n )\n external;\n \n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4);\n}\n", - "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/Ownable/IOwnable.sol\";\n\n\ncontract IAuthorizable is\n IOwnable\n{\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external;\n \n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory);\n}\n", - "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAuthorizable.sol\";\n\n\ncontract MAuthorizable is\n IAuthorizable\n{\n // Event logged when a new address is authorized.\n event AuthorizedAddressAdded(\n address indexed target,\n address indexed caller\n );\n\n // Event logged when a currently authorized address is unauthorized.\n event AuthorizedAddressRemoved(\n address indexed target,\n address indexed caller\n );\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized { revert(); _; }\n}\n", - "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../multisig/MultiSigWalletWithTimeLock.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract AssetProxyOwner is\n MultiSigWalletWithTimeLock\n{\n using LibBytes for bytes;\n\n event AssetProxyRegistration(address assetProxyContract, bool isRegistered);\n\n // Mapping of AssetProxy contract address =>\n // if this contract is allowed to call the AssetProxy's `removeAuthorizedAddressAtIndex` method without a time lock.\n mapping (address => bool) public isAssetProxyRegistered;\n\n bytes4 constant internal REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR = bytes4(keccak256(\"removeAuthorizedAddressAtIndex(address,uint256)\"));\n\n /// @dev Function will revert if the transaction does not call `removeAuthorizedAddressAtIndex`\n /// on an approved AssetProxy contract.\n modifier validRemoveAuthorizedAddressAtIndexTx(uint256 transactionId) {\n Transaction storage txn = transactions[transactionId];\n require(\n isAssetProxyRegistered[txn.destination],\n \"UNREGISTERED_ASSET_PROXY\"\n );\n require(\n txn.data.readBytes4(0) == REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR,\n \"INVALID_FUNCTION_SELECTOR\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations,\n /// time lock, and list of AssetProxy addresses.\n /// @param _owners List of initial owners.\n /// @param _assetProxyContracts Array of AssetProxy contract addresses.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] memory _owners,\n address[] memory _assetProxyContracts,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWalletWithTimeLock(_owners, _required, _secondsTimeLocked)\n {\n for (uint256 i = 0; i < _assetProxyContracts.length; i++) {\n address assetProxy = _assetProxyContracts[i];\n require(\n assetProxy != address(0),\n \"INVALID_ASSET_PROXY\"\n );\n isAssetProxyRegistered[assetProxy] = true;\n }\n }\n\n /// @dev Registers or deregisters an AssetProxy to be able to execute\n /// `removeAuthorizedAddressAtIndex` without a timelock.\n /// @param assetProxyContract Address of AssetProxy contract.\n /// @param isRegistered Status of approval for AssetProxy contract.\n function registerAssetProxy(address assetProxyContract, bool isRegistered)\n public\n onlyWallet\n notNull(assetProxyContract)\n {\n isAssetProxyRegistered[assetProxyContract] = isRegistered;\n emit AssetProxyRegistration(assetProxyContract, isRegistered);\n }\n\n /// @dev Allows execution of `removeAuthorizedAddressAtIndex` without time lock.\n /// @param transactionId Transaction ID.\n function executeRemoveAuthorizedAddressAtIndex(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n validRemoveAuthorizedAddressAtIndexTx(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n}\n", - "2.0.0/protocol/Exchange/Exchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinExchangeCore.sol\";\nimport \"./MixinSignatureValidator.sol\";\nimport \"./MixinWrapperFunctions.sol\";\nimport \"./MixinAssetProxyDispatcher.sol\";\nimport \"./MixinTransactions.sol\";\nimport \"./MixinMatchOrders.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Exchange is\n MixinExchangeCore,\n MixinMatchOrders,\n MixinSignatureValidator,\n MixinTransactions,\n MixinAssetProxyDispatcher,\n MixinWrapperFunctions\n{\n string constant public VERSION = \"2.0.0\";\n\n // Mixins are instantiated in the order they are inherited\n constructor ()\n public\n MixinExchangeCore()\n MixinMatchOrders()\n MixinSignatureValidator()\n MixinTransactions()\n MixinAssetProxyDispatcher()\n MixinWrapperFunctions()\n {}\n}\n", - "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\nimport \"../AssetProxy/interfaces/IAssetProxy.sol\";\n\n\ncontract MixinAssetProxyDispatcher is\n Ownable,\n MAssetProxyDispatcher\n{\n // Mapping from Asset Proxy Id's to their respective Asset Proxy\n mapping (bytes4 => IAssetProxy) public assetProxies;\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external\n onlyOwner\n {\n IAssetProxy assetProxyContract = IAssetProxy(assetProxy);\n\n // Ensure that no asset proxy exists with current id.\n bytes4 assetProxyId = assetProxyContract.getProxyId();\n address currentAssetProxy = assetProxies[assetProxyId];\n require(\n currentAssetProxy == address(0),\n \"ASSET_PROXY_ALREADY_EXISTS\"\n );\n\n // Add asset proxy and log registration.\n assetProxies[assetProxyId] = assetProxyContract;\n emit AssetProxyRegistered(\n assetProxyId,\n assetProxy\n );\n }\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address)\n {\n return assetProxies[assetProxyId];\n }\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal\n {\n // Do nothing if no amount should be transferred.\n if (amount > 0 && from != to) {\n // Ensure assetData length is valid\n require(\n assetData.length > 3,\n \"LENGTH_GREATER_THAN_3_REQUIRED\"\n );\n \n // Lookup assetProxy. We do not use `LibBytes.readBytes4` for gas efficiency reasons.\n bytes4 assetProxyId;\n assembly {\n assetProxyId := and(mload(\n add(assetData, 32)),\n 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000\n )\n }\n address assetProxy = assetProxies[assetProxyId];\n\n // Ensure that assetProxy exists\n require(\n assetProxy != address(0),\n \"ASSET_PROXY_DOES_NOT_EXIST\"\n );\n \n // We construct calldata for the `assetProxy.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n\n assembly {\n /////// Setup State ///////\n // `cdStart` is the start of the calldata for `assetProxy.transferFrom` (equal to free memory ptr).\n let cdStart := mload(64)\n // `dataAreaLength` is the total number of words needed to store `assetData`\n // As-per the ABI spec, this value is padded up to the nearest multiple of 32,\n // and includes 32-bytes for length.\n let dataAreaLength := and(add(mload(assetData), 63), 0xFFFFFFFFFFFE0)\n // `cdEnd` is the end of the calldata for `assetProxy.transferFrom`.\n let cdEnd := add(cdStart, add(132, dataAreaLength))\n\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFromSelector`.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes.\n // Notes:\n // 1. The offset to `assetData` is the length of the Params Area (128 bytes).\n // 2. A 20-byte mask is applied to addresses to zero-out the unused bytes.\n mstore(add(cdStart, 4), 128)\n mstore(add(cdStart, 36), and(from, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 68), and(to, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 100), amount)\n \n /////// Setup Data Area ///////\n // This area holds `assetData`.\n let dataArea := add(cdStart, 132)\n // solhint-disable-next-line no-empty-blocks\n for {} lt(dataArea, cdEnd) {} {\n mstore(dataArea, mload(assetData))\n dataArea := add(dataArea, 32)\n assetData := add(assetData, 32)\n }\n\n /////// Call `assetProxy.transferFrom` using the constructed calldata ///////\n let success := call(\n gas, // forward all gas\n assetProxy, // call address of asset proxy\n 0, // don't send any ETH\n cdStart, // pointer to start of input\n sub(cdEnd, cdStart), // length of input \n cdStart, // write output over input\n 512 // reserve 512 bytes for output\n )\n if iszero(success) {\n revert(cdStart, returndatasize())\n }\n }\n }\n }\n}\n", - "2.0.0/protocol/Exchange/MixinExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinExchangeCore is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n LibOrder,\n LibFillResults,\n MAssetProxyDispatcher,\n MExchangeCore,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of orderHash => amount of takerAsset already bought by maker\n mapping (bytes32 => uint256) public filled;\n\n // Mapping of orderHash => cancelled\n mapping (bytes32 => bool) public cancelled;\n\n // Mapping of makerAddress => senderAddress => lowest salt an order can have in order to be fillable\n // Orders with specified senderAddress and with a salt less than their epoch are considered cancelled\n mapping (address => mapping (address => uint256)) public orderEpoch;\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external\n nonReentrant\n {\n address makerAddress = getCurrentContextAddress();\n // If this function is called via `executeTransaction`, we only update the orderEpoch for the makerAddress/msg.sender combination.\n // This allows external filter contracts to add rules to how orders are cancelled via this function.\n address senderAddress = makerAddress == msg.sender ? address(0) : msg.sender;\n\n // orderEpoch is initialized to 0, so to cancelUpTo we need salt + 1\n uint256 newOrderEpoch = targetOrderEpoch + 1; \n uint256 oldOrderEpoch = orderEpoch[makerAddress][senderAddress];\n\n // Ensure orderEpoch is monotonically increasing\n require(\n newOrderEpoch > oldOrderEpoch, \n \"INVALID_NEW_ORDER_EPOCH\"\n );\n\n // Update orderEpoch\n orderEpoch[makerAddress][senderAddress] = newOrderEpoch;\n emit CancelUpTo(\n makerAddress,\n senderAddress,\n newOrderEpoch\n );\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrder(Order memory order)\n public\n nonReentrant\n {\n cancelOrderInternal(order);\n }\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(Order memory order)\n public\n view\n returns (OrderInfo memory orderInfo)\n {\n // Compute the order hash\n orderInfo.orderHash = getOrderHash(order);\n\n // Fetch filled amount\n orderInfo.orderTakerAssetFilledAmount = filled[orderInfo.orderHash];\n\n // If order.makerAssetAmount is zero, we also reject the order.\n // While the Exchange contract handles them correctly, they create\n // edge cases in the supporting infrastructure because they have\n // an 'infinite' price when computed by a simple division.\n if (order.makerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_MAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // If order.takerAssetAmount is zero, then the order will always\n // be considered filled because 0 == takerAssetAmount == orderTakerAssetFilledAmount\n // Instead of distinguishing between unfilled and filled zero taker\n // amount orders, we choose not to support them.\n if (order.takerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_TAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // Validate order availability\n if (orderInfo.orderTakerAssetFilledAmount >= order.takerAssetAmount) {\n orderInfo.orderStatus = uint8(OrderStatus.FULLY_FILLED);\n return orderInfo;\n }\n\n // Validate order expiration\n // solhint-disable-next-line not-rely-on-time\n if (block.timestamp >= order.expirationTimeSeconds) {\n orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);\n return orderInfo;\n }\n\n // Check if order has been cancelled\n if (cancelled[orderInfo.orderHash]) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n if (orderEpoch[order.makerAddress][order.senderAddress] > order.salt) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n\n // All other statuses are ruled out: order is Fillable\n orderInfo.orderStatus = uint8(OrderStatus.FILLABLE);\n return orderInfo;\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // Fetch order info\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Assert that the order is fillable by taker\n assertFillableOrder(\n order,\n orderInfo,\n takerAddress,\n signature\n );\n \n // Get amount of takerAsset to fill\n uint256 remainingTakerAssetAmount = safeSub(order.takerAssetAmount, orderInfo.orderTakerAssetFilledAmount);\n uint256 takerAssetFilledAmount = min256(takerAssetFillAmount, remainingTakerAssetAmount);\n\n // Validate context\n assertValidFill(\n order,\n orderInfo,\n takerAssetFillAmount,\n takerAssetFilledAmount,\n fillResults.makerAssetFilledAmount\n );\n\n // Compute proportional fill amounts\n fillResults = calculateFillResults(order, takerAssetFilledAmount);\n\n // Update exchange internal state\n updateFilledState(\n order,\n takerAddress,\n orderInfo.orderHash,\n orderInfo.orderTakerAssetFilledAmount,\n fillResults\n );\n \n // Settle order\n settleOrder(\n order,\n takerAddress,\n fillResults\n );\n\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrderInternal(Order memory order)\n internal\n {\n // Fetch current order status\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Validate context\n assertValidCancel(order, orderInfo);\n\n // Perform cancel\n updateCancelledState(order, orderInfo.orderHash);\n }\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n function updateFilledState(\n Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n FillResults memory fillResults\n )\n internal\n {\n // Update state\n filled[orderHash] = safeAdd(orderTakerAssetFilledAmount, fillResults.takerAssetFilledAmount);\n\n // Log order\n emit Fill(\n order.makerAddress,\n order.feeRecipientAddress,\n takerAddress,\n msg.sender,\n fillResults.makerAssetFilledAmount,\n fillResults.takerAssetFilledAmount,\n fillResults.makerFeePaid,\n fillResults.takerFeePaid,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n Order memory order,\n bytes32 orderHash\n )\n internal\n {\n // Perform cancel\n cancelled[orderHash] = true;\n\n // Log cancel\n emit Cancel(\n order.makerAddress,\n order.feeRecipientAddress,\n msg.sender,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n Order memory order,\n OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view\n {\n // An order can only be filled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n \n // Validate sender is allowed to fill this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n \n // Validate taker is allowed to fill this order\n if (order.takerAddress != address(0)) {\n require(\n order.takerAddress == takerAddress,\n \"INVALID_TAKER\"\n );\n }\n \n // Validate Maker signature (check only if first time seen)\n if (orderInfo.orderTakerAssetFilledAmount == 0) {\n require(\n isValidSignature(\n orderInfo.orderHash,\n order.makerAddress,\n signature\n ),\n \"INVALID_ORDER_SIGNATURE\"\n );\n }\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n Order memory order,\n OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount, // TODO: use FillResults\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view\n {\n // Revert if fill amount is invalid\n // TODO: reconsider necessity for v2.1\n require(\n takerAssetFillAmount != 0,\n \"INVALID_TAKER_AMOUNT\"\n );\n \n // Make sure taker does not pay more than desired amount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n takerAssetFilledAmount <= takerAssetFillAmount,\n \"TAKER_OVERPAY\"\n );\n \n // Make sure order is not overfilled\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeAdd(orderInfo.orderTakerAssetFilledAmount, takerAssetFilledAmount) <= order.takerAssetAmount,\n \"ORDER_OVERFILL\"\n );\n \n // Make sure order is filled at acceptable price.\n // The order has an implied price from the makers perspective:\n // order price = order.makerAssetAmount / order.takerAssetAmount\n // i.e. the number of makerAsset maker is paying per takerAsset. The\n // maker is guaranteed to get this price or a better (lower) one. The\n // actual price maker is getting in this fill is:\n // fill price = makerAssetFilledAmount / takerAssetFilledAmount\n // We need `fill price <= order price` for the fill to be fair to maker.\n // This amounts to:\n // makerAssetFilledAmount order.makerAssetAmount\n // ------------------------ <= -----------------------\n // takerAssetFilledAmount order.takerAssetAmount\n // or, equivalently:\n // makerAssetFilledAmount * order.takerAssetAmount <=\n // order.makerAssetAmount * takerAssetFilledAmount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeMul(makerAssetFilledAmount, order.takerAssetAmount)\n <= \n safeMul(order.makerAssetAmount, takerAssetFilledAmount),\n \"INVALID_FILL_PRICE\"\n );\n }\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n Order memory order,\n OrderInfo memory orderInfo\n )\n internal\n view\n {\n // Ensure order is valid\n // An order can only be cancelled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Validate sender is allowed to cancel this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate transaction signed by maker\n address makerAddress = getCurrentContextAddress();\n require(\n order.makerAddress == makerAddress,\n \"INVALID_MAKER\"\n );\n }\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (FillResults memory fillResults)\n {\n // Compute proportional transfer amounts\n fillResults.takerAssetFilledAmount = takerAssetFilledAmount;\n fillResults.makerAssetFilledAmount = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n );\n fillResults.makerFeePaid = safeGetPartialAmountFloor(\n fillResults.makerAssetFilledAmount,\n order.makerAssetAmount,\n order.makerFee\n );\n fillResults.takerFeePaid = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.takerFee\n );\n\n return fillResults;\n }\n\n /// @dev Settles an order by transferring assets between counterparties.\n /// @param order Order struct containing order specifications.\n /// @param takerAddress Address selling takerAsset and buying makerAsset.\n /// @param fillResults Amounts to be filled and fees paid by maker and taker.\n function settleOrder(\n LibOrder.Order memory order,\n address takerAddress,\n LibFillResults.FillResults memory fillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n dispatchTransferFrom(\n order.makerAssetData,\n order.makerAddress,\n takerAddress,\n fillResults.makerAssetFilledAmount\n );\n dispatchTransferFrom(\n order.takerAssetData,\n takerAddress,\n order.makerAddress,\n fillResults.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n zrxAssetData,\n order.makerAddress,\n order.feeRecipientAddress,\n fillResults.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n order.feeRecipientAddress,\n fillResults.takerFeePaid\n );\n }\n}\n", - "2.0.0/protocol/Exchange/MixinMatchOrders.sol": "/*\n Copyright 2018 ZeroEx Intl.\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n http://www.apache.org/licenses/LICENSE-2.0\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MMatchOrders.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinMatchOrders is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n MAssetProxyDispatcher,\n MExchangeCore,\n MMatchOrders,\n MTransactions\n{\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n nonReentrant\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We assume that rightOrder.takerAssetData == leftOrder.makerAssetData and rightOrder.makerAssetData == leftOrder.takerAssetData.\n // If this assumption isn't true, the match will fail at signature validation.\n rightOrder.makerAssetData = leftOrder.takerAssetData;\n rightOrder.takerAssetData = leftOrder.makerAssetData;\n\n // Get left & right order info\n LibOrder.OrderInfo memory leftOrderInfo = getOrderInfo(leftOrder);\n LibOrder.OrderInfo memory rightOrderInfo = getOrderInfo(rightOrder);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Either our context is valid or we revert\n assertFillableOrder(\n leftOrder,\n leftOrderInfo,\n takerAddress,\n leftSignature\n );\n assertFillableOrder(\n rightOrder,\n rightOrderInfo,\n takerAddress,\n rightSignature\n );\n assertValidMatch(leftOrder, rightOrder);\n\n // Compute proportional fill amounts\n matchedFillResults = calculateMatchedFillResults(\n leftOrder,\n rightOrder,\n leftOrderInfo.orderTakerAssetFilledAmount,\n rightOrderInfo.orderTakerAssetFilledAmount\n );\n\n // Validate fill contexts\n assertValidFill(\n leftOrder,\n leftOrderInfo,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.makerAssetFilledAmount\n );\n assertValidFill(\n rightOrder,\n rightOrderInfo,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n \n // Update exchange state\n updateFilledState(\n leftOrder,\n takerAddress,\n leftOrderInfo.orderHash,\n leftOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.left\n );\n updateFilledState(\n rightOrder,\n takerAddress,\n rightOrderInfo.orderHash,\n rightOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.right\n );\n\n // Settle matched orders. Succeeds or throws.\n settleMatchedOrders(\n leftOrder,\n rightOrder,\n takerAddress,\n matchedFillResults\n );\n\n return matchedFillResults;\n }\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure\n {\n // Make sure there is a profitable spread.\n // There is a profitable spread iff the cost per unit bought (OrderA.MakerAmount/OrderA.TakerAmount) for each order is greater\n // than the profit per unit sold of the matched order (OrderB.TakerAmount/OrderB.MakerAmount).\n // This is satisfied by the equations below:\n // / >= / \n // AND\n // / >= / \n // These equations can be combined to get the following:\n require(\n safeMul(leftOrder.makerAssetAmount, rightOrder.makerAssetAmount) >=\n safeMul(leftOrder.takerAssetAmount, rightOrder.takerAssetAmount),\n \"NEGATIVE_SPREAD_REQUIRED\"\n );\n }\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // Derive maker asset amounts for left & right orders, given store taker assert amounts\n uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);\n uint256 leftMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n leftTakerAssetAmountRemaining\n );\n uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);\n uint256 rightMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n rightOrder.makerAssetAmount,\n rightOrder.takerAssetAmount,\n rightTakerAssetAmountRemaining\n );\n\n // Calculate fill results for maker and taker assets: at least one order will be fully filled.\n // The maximum amount the left maker can buy is `leftTakerAssetAmountRemaining`\n // The maximum amount the right maker can sell is `rightMakerAssetAmountRemaining`\n // We have two distinct cases for calculating the fill results:\n // Case 1.\n // If the left maker can buy more than the right maker can sell, then only the right order is fully filled.\n // If the left maker can buy exactly what the right maker can sell, then both orders are fully filled.\n // Case 2.\n // If the left maker cannot buy more than the right maker can sell, then only the left order is fully filled.\n if (leftTakerAssetAmountRemaining >= rightMakerAssetAmountRemaining) {\n // Case 1: Right order is fully filled\n matchedFillResults.right.makerAssetFilledAmount = rightMakerAssetAmountRemaining;\n matchedFillResults.right.takerAssetFilledAmount = rightTakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = matchedFillResults.right.makerAssetFilledAmount;\n // Round down to ensure the maker's exchange rate does not exceed the price specified by the order. \n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.left.makerAssetFilledAmount = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n matchedFillResults.left.takerAssetFilledAmount\n );\n } else {\n // Case 2: Left order is fully filled\n matchedFillResults.left.makerAssetFilledAmount = leftMakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = leftTakerAssetAmountRemaining;\n matchedFillResults.right.makerAssetFilledAmount = matchedFillResults.left.takerAssetFilledAmount;\n // Round up to ensure the maker's exchange rate does not exceed the price specified by the order.\n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.right.takerAssetFilledAmount = safeGetPartialAmountCeil(\n rightOrder.takerAssetAmount,\n rightOrder.makerAssetAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n }\n\n // Calculate amount given to taker\n matchedFillResults.leftMakerAssetSpreadAmount = safeSub(\n matchedFillResults.left.makerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount\n );\n\n // Compute fees for left order\n matchedFillResults.left.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.makerAssetFilledAmount,\n leftOrder.makerAssetAmount,\n leftOrder.makerFee\n );\n matchedFillResults.left.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.takerAssetFilledAmount,\n leftOrder.takerAssetAmount,\n leftOrder.takerFee\n );\n\n // Compute fees for right order\n matchedFillResults.right.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.makerAssetFilledAmount,\n rightOrder.makerAssetAmount,\n rightOrder.makerFee\n );\n matchedFillResults.right.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.takerAssetFilledAmount,\n rightOrder.takerAssetAmount,\n rightOrder.takerFee\n );\n\n // Return fill results\n return matchedFillResults;\n }\n\n /// @dev Settles matched order by transferring appropriate funds between order makers, taker, and fee recipient.\n /// @param leftOrder First matched order.\n /// @param rightOrder Second matched order.\n /// @param takerAddress Address that matched the orders. The taker receives the spread between orders as profit.\n /// @param matchedFillResults Struct holding amounts to transfer between makers, taker, and fee recipients.\n function settleMatchedOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n address takerAddress,\n LibFillResults.MatchedFillResults memory matchedFillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n // Order makers and taker\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n rightOrder.makerAddress,\n matchedFillResults.right.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n rightOrder.makerAssetData,\n rightOrder.makerAddress,\n leftOrder.makerAddress,\n matchedFillResults.left.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n takerAddress,\n matchedFillResults.leftMakerAssetSpreadAmount\n );\n\n // Maker fees\n dispatchTransferFrom(\n zrxAssetData,\n leftOrder.makerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n rightOrder.makerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.makerFeePaid\n );\n\n // Taker fees\n if (leftOrder.feeRecipientAddress == rightOrder.feeRecipientAddress) {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n safeAdd(\n matchedFillResults.left.takerFeePaid,\n matchedFillResults.right.takerFeePaid\n )\n );\n } else {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.takerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.takerFeePaid\n );\n }\n }\n}\n", - "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./interfaces/IWallet.sol\";\nimport \"./interfaces/IValidator.sol\";\n\n\ncontract MixinSignatureValidator is\n ReentrancyGuard,\n MSignatureValidator,\n MTransactions\n{\n using LibBytes for bytes;\n \n // Mapping of hash => signer => signed\n mapping (bytes32 => mapping (address => bool)) public preSigned;\n\n // Mapping of signer => validator => approved\n mapping (address => mapping (address => bool)) public allowedValidators;\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n {\n if (signerAddress != msg.sender) {\n require(\n isValidSignature(\n hash,\n signerAddress,\n signature\n ),\n \"INVALID_SIGNATURE\"\n );\n }\n preSigned[hash][signerAddress] = true;\n }\n\n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external\n nonReentrant\n {\n address signerAddress = getCurrentContextAddress();\n allowedValidators[signerAddress][validatorAddress] = approval;\n emit SignatureValidatorApproval(\n signerAddress,\n validatorAddress,\n approval\n );\n }\n\n /// @dev Verifies that a hash has been signed by the given signer.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid)\n {\n require(\n signature.length > 0,\n \"LENGTH_GREATER_THAN_0_REQUIRED\"\n );\n\n // Pop last byte off of signature byte array.\n uint8 signatureTypeRaw = uint8(signature.popLastByte());\n\n // Ensure signature is supported\n require(\n signatureTypeRaw < uint8(SignatureType.NSignatureTypes),\n \"SIGNATURE_UNSUPPORTED\"\n );\n\n SignatureType signatureType = SignatureType(signatureTypeRaw);\n\n // Variables are not scoped in Solidity.\n uint8 v;\n bytes32 r;\n bytes32 s;\n address recovered;\n\n // Always illegal signature.\n // This is always an implicit option since a signer can create a\n // signature array with invalid type or length. We may as well make\n // it an explicit option. This aids testing and analysis. It is\n // also the initialization value for the enum type.\n if (signatureType == SignatureType.Illegal) {\n revert(\"SIGNATURE_ILLEGAL\");\n\n // Always invalid signature.\n // Like Illegal, this is always implicitly available and therefore\n // offered explicitly. It can be implicitly created by providing\n // a correctly formatted but incorrect signature.\n } else if (signatureType == SignatureType.Invalid) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = false;\n return isValid;\n\n // Signature using EIP712\n } else if (signatureType == SignatureType.EIP712) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n hash,\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signed using web3.eth_sign\n } else if (signatureType == SignatureType.EthSign) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n32\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signature verified by wallet contract.\n // If used with an order, the maker of the order is the wallet contract.\n } else if (signatureType == SignatureType.Wallet) {\n isValid = isValidWalletSignature(\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signature verified by validator contract.\n // If used with an order, the maker of the order can still be an EOA.\n // A signature using this type should be encoded as:\n // | Offset | Length | Contents |\n // | 0x00 | x | Signature to validate |\n // | 0x00 + x | 20 | Address of validator contract |\n // | 0x14 + x | 1 | Signature type is always \"\\x06\" |\n } else if (signatureType == SignatureType.Validator) {\n // Pop last 20 bytes off of signature byte array.\n address validatorAddress = signature.popLast20Bytes();\n \n // Ensure signer has approved validator.\n if (!allowedValidators[signerAddress][validatorAddress]) {\n return false;\n }\n isValid = isValidValidatorSignature(\n validatorAddress,\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signer signed hash previously using the preSign function.\n } else if (signatureType == SignatureType.PreSigned) {\n isValid = preSigned[hash][signerAddress];\n return isValid;\n }\n\n // Anything else is illegal (We do not return false because\n // the signature may actually be valid, just not in a format\n // that we currently support. In this case returning false\n // may lead the caller to incorrectly believe that the\n // signature was invalid.)\n revert(\"SIGNATURE_UNSUPPORTED\");\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if signature is valid for given wallet..\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IWallet(walletAddress).isValidSignature.selector,\n hash,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n walletAddress, // address of Wallet contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"WALLET_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000c57414c4c45545f4552524f5200000000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IValidator(signerAddress).isValidSignature.selector,\n hash,\n signerAddress,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n validatorAddress, // address of Validator contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"VALIDATOR_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f56414c494441544f525f4552524f5200000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n}\n", - "2.0.0/protocol/Exchange/MixinTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"./libs/LibExchangeErrors.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./libs/LibEIP712.sol\";\n\n\ncontract MixinTransactions is\n LibEIP712,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of transaction hash => executed\n // This prevents transactions from being executed more than once.\n mapping (bytes32 => bool) public transactions;\n\n // Address of current transaction signer\n address public currentContextAddress;\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external\n {\n // Prevent reentrancy\n require(\n currentContextAddress == address(0),\n \"REENTRANCY_ILLEGAL\"\n );\n\n bytes32 transactionHash = hashEIP712Message(hashZeroExTransaction(\n salt,\n signerAddress,\n data\n ));\n\n // Validate transaction has not been executed\n require(\n !transactions[transactionHash],\n \"INVALID_TX_HASH\"\n );\n\n // Transaction always valid if signer is sender of transaction\n if (signerAddress != msg.sender) {\n // Validate signature\n require(\n isValidSignature(\n transactionHash,\n signerAddress,\n signature\n ),\n \"INVALID_TX_SIGNATURE\"\n );\n\n // Set the current transaction signer\n currentContextAddress = signerAddress;\n }\n\n // Execute transaction\n transactions[transactionHash] = true;\n require(\n address(this).delegatecall(data),\n \"FAILED_EXECUTION\"\n );\n\n // Reset current transaction signer if it was previously updated\n if (signerAddress != msg.sender) {\n currentContextAddress = address(0);\n }\n }\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;\n bytes32 dataHash = keccak256(data);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,\n // salt,\n // bytes32(signerAddress),\n // keccak256(data)\n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, schemaHash) // hash of schema\n mstore(add(memPtr, 32), salt) // salt\n mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff)) // signerAddress\n mstore(add(memPtr, 96), dataHash) // hash of data\n\n // Compute hash\n result := keccak256(memPtr, 128)\n }\n return result;\n }\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address)\n {\n address currentContextAddress_ = currentContextAddress;\n address contextAddress = currentContextAddress_ == address(0) ? msg.sender : currentContextAddress_;\n return contextAddress;\n }\n}\n", - "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibAbiEncoder.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MWrapperFunctions.sol\";\n\n\ncontract MixinWrapperFunctions is\n ReentrancyGuard,\n LibMath,\n LibFillResults,\n LibAbiEncoder,\n MExchangeCore,\n MWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrKillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n // Delegate to `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := delegatecall(\n gas, // forward all gas\n address, // call address of this contract\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrKillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n \n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public\n nonReentrant\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n cancelOrderInternal(orders[i]);\n }\n }\n\n /// @dev Fetches information for all passed in orders.\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n LibOrder.OrderInfo[] memory ordersInfo = new LibOrder.OrderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n ordersInfo[i] = getOrderInfo(orders[i]);\n }\n return ordersInfo;\n }\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n require(\n fillResults.takerAssetFilledAmount == takerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return fillResults;\n }\n}\n", - "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssetProxyDispatcher {\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external;\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IExchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./IExchangeCore.sol\";\nimport \"./IMatchOrders.sol\";\nimport \"./ISignatureValidator.sol\";\nimport \"./ITransactions.sol\";\nimport \"./IAssetProxyDispatcher.sol\";\nimport \"./IWrapperFunctions.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract IExchange is\n IExchangeCore,\n IMatchOrders,\n ISignatureValidator,\n ITransactions,\n IAssetProxyDispatcher,\n IWrapperFunctions\n{}\n", - "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IExchangeCore {\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external;\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrder(LibOrder.Order memory order)\n public;\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(LibOrder.Order memory order)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IMatchOrders {\n\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n}\n", - "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ISignatureValidator {\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external;\n \n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external;\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address of signer.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\n\ncontract ITransactions {\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external;\n}\n", - "2.0.0/protocol/Exchange/interfaces/IValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IValidator {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IWallet {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IWrapperFunctions {\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public;\n\n /// @dev Fetches information for all passed in orders\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory);\n}\n", - "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./LibOrder.sol\";\n\n\ncontract LibAbiEncoder {\n\n /// @dev ABI encodes calldata for `fillOrder`.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return ABI encoded calldata for `fillOrder`.\n function abiEncodeFillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n pure\n returns (bytes memory fillOrderCalldata)\n {\n // We need to call MExchangeCore.fillOrder using a delegatecall in\n // assembly so that we can intercept a call that throws. For this, we\n // need the input encoded in memory in the Ethereum ABIv2 format [1].\n\n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0x00 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 0x00 | | 1. offset to order (*) |\n // | | 0x20 | | 2. takerAssetFillAmount |\n // | | 0x40 | | 3. offset to signature (*) |\n // | Data | | 12 * 32 | order: |\n // | | 0x000 | | 1. senderAddress |\n // | | 0x020 | | 2. makerAddress |\n // | | 0x040 | | 3. takerAddress |\n // | | 0x060 | | 4. feeRecipientAddress |\n // | | 0x080 | | 5. makerAssetAmount |\n // | | 0x0A0 | | 6. takerAssetAmount |\n // | | 0x0C0 | | 7. makerFeeAmount |\n // | | 0x0E0 | | 8. takerFeeAmount |\n // | | 0x100 | | 9. expirationTimeSeconds |\n // | | 0x120 | | 10. salt |\n // | | 0x140 | | 11. Offset to makerAssetData (*) |\n // | | 0x160 | | 12. Offset to takerAssetData (*) |\n // | | 0x180 | 32 | makerAssetData Length |\n // | | 0x1A0 | ** | makerAssetData Contents |\n // | | 0x1C0 | 32 | takerAssetData Length |\n // | | 0x1E0 | ** | takerAssetData Contents |\n // | | 0x200 | 32 | signature Length |\n // | | 0x220 | ** | signature Contents |\n\n // * Offsets are calculated from the beginning of the current area: Header, Params, Data:\n // An offset stored in the Params area is calculated from the beginning of the Params section.\n // An offset stored in the Data area is calculated from the beginning of the Data section.\n\n // ** The length of dynamic array contents are stored in the field immediately preceeding the contents.\n\n // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html\n\n assembly {\n\n // Areas below may use the following variables:\n // 1. Start -- Start of this area in memory\n // 2. End -- End of this area in memory. This value may\n // be precomputed (before writing contents),\n // or it may be computed as contents are written.\n // 3. Offset -- Current offset into area. If an area's End\n // is precomputed, this variable tracks the\n // offsets of contents as they are written.\n\n /////// Setup Header Area ///////\n // Load free memory pointer\n fillOrderCalldata := mload(0x40)\n // bytes4(keccak256(\"fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)\"))\n // = 0xb4be83d5\n // Leave 0x20 bytes to store the length\n mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000)\n let headerAreaEnd := add(fillOrderCalldata, 0x24)\n\n /////// Setup Params Area ///////\n // This area is preallocated and written to later.\n // This is because we need to fill in offsets that have not yet been calculated.\n let paramsAreaStart := headerAreaEnd\n let paramsAreaEnd := add(paramsAreaStart, 0x60)\n let paramsAreaOffset := paramsAreaStart\n\n /////// Setup Data Area ///////\n let dataAreaStart := paramsAreaEnd\n let dataAreaEnd := dataAreaStart\n\n // Offset from the source data we're reading from\n let sourceOffset := order\n // arrayLenBytes and arrayLenWords track the length of a dynamically-allocated bytes array.\n let arrayLenBytes := 0\n let arrayLenWords := 0\n\n /////// Write order Struct ///////\n // Write memory location of Order, relative to the start of the\n // parameter list, then increment the paramsAreaOffset respectively.\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n // Write values for each field in the order\n // It would be nice to use a loop, but we save on gas by writing\n // the stores sequentially.\n mstore(dataAreaEnd, mload(sourceOffset)) // makerAddress\n mstore(add(dataAreaEnd, 0x20), mload(add(sourceOffset, 0x20))) // takerAddress\n mstore(add(dataAreaEnd, 0x40), mload(add(sourceOffset, 0x40))) // feeRecipientAddress\n mstore(add(dataAreaEnd, 0x60), mload(add(sourceOffset, 0x60))) // senderAddress\n mstore(add(dataAreaEnd, 0x80), mload(add(sourceOffset, 0x80))) // makerAssetAmount\n mstore(add(dataAreaEnd, 0xA0), mload(add(sourceOffset, 0xA0))) // takerAssetAmount\n mstore(add(dataAreaEnd, 0xC0), mload(add(sourceOffset, 0xC0))) // makerFeeAmount\n mstore(add(dataAreaEnd, 0xE0), mload(add(sourceOffset, 0xE0))) // takerFeeAmount\n mstore(add(dataAreaEnd, 0x100), mload(add(sourceOffset, 0x100))) // expirationTimeSeconds\n mstore(add(dataAreaEnd, 0x120), mload(add(sourceOffset, 0x120))) // salt\n mstore(add(dataAreaEnd, 0x140), mload(add(sourceOffset, 0x140))) // Offset to makerAssetData\n mstore(add(dataAreaEnd, 0x160), mload(add(sourceOffset, 0x160))) // Offset to takerAssetData\n dataAreaEnd := add(dataAreaEnd, 0x180)\n sourceOffset := add(sourceOffset, 0x180)\n\n // Write offset to \n mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x140)) // makerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Write offset to \n mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x160)) // takerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n /////// Write takerAssetFillAmount ///////\n mstore(paramsAreaOffset, takerAssetFillAmount)\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n /////// Write signature ///////\n // Write offset to paramsArea\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n\n // Calculate length of signature\n sourceOffset := signature\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of signature\n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of signature\n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Set length of calldata\n mstore(fillOrderCalldata, sub(dataAreaEnd, add(fillOrderCalldata, 0x20)))\n\n // Increment free memory pointer\n mstore(0x40, dataAreaEnd)\n }\n\n return fillOrderCalldata;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\n// solhint-disable max-line-length\ncontract LibConstants {\n \n // Asset data for ZRX token. Used for fee transfers.\n // @TODO: Hardcode constant when we deploy. Currently \n // not constant to make testing easier.\n\n // The proxyId for ZRX_ASSET_DATA is bytes4(keccak256(\"ERC20Token(address)\")) = 0xf47261b0\n \n // Kovan ZRX address is 0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570.\n // The ABI encoded proxyId and address is 0xf47261b00000000000000000000000006ff6c0ff1d68b964901f986d4c9fa3ac68346570\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x6f\\xf6\\xc0\\xff\\x1d\\x68\\xb9\\x64\\x90\\x1f\\x98\\x6d\\x4c\\x9f\\xa3\\xac\\x68\\x34\\x65\\x70\";\n \n // Mainnet ZRX address is 0xe41d2489571d322189246dafa5ebde1f4699f498.\n // The ABI encoded proxyId and address is 0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\n bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xe4\\x1d\\x24\\x89\\x57\\x1d\\x32\\x21\\x89\\x24\\x6d\\xaf\\xa5\\xeb\\xde\\x1f\\x46\\x99\\xf4\\x98\";\n}\n// solhint-enable max-line-length\n", - "2.0.0/protocol/Exchange/libs/LibEIP712.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract LibEIP712 {\n\n // EIP191 header for EIP712 prefix\n string constant internal EIP191_HEADER = \"\\x19\\x01\";\n\n // EIP712 Domain Name value\n string constant internal EIP712_DOMAIN_NAME = \"0x Protocol\";\n\n // EIP712 Domain Version value\n string constant internal EIP712_DOMAIN_VERSION = \"2\";\n\n // Hash of the EIP712 Domain Separator Schema\n bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"EIP712Domain(\",\n \"string name,\",\n \"string version,\",\n \"address verifyingContract\",\n \")\"\n ));\n\n // Hash of the EIP712 Domain Separator data\n // solhint-disable-next-line var-name-mixedcase\n bytes32 public EIP712_DOMAIN_HASH;\n\n constructor ()\n public\n {\n EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(\n EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,\n keccak256(bytes(EIP712_DOMAIN_NAME)),\n keccak256(bytes(EIP712_DOMAIN_VERSION)),\n bytes32(address(this))\n ));\n }\n\n /// @dev Calculates EIP712 encoding for a hash struct in this EIP712 Domain.\n /// @param hashStruct The EIP712 hash struct.\n /// @return EIP712 hash applied to this EIP712 Domain.\n function hashEIP712Message(bytes32 hashStruct)\n internal\n view\n returns (bytes32 result)\n {\n bytes32 eip712DomainHash = EIP712_DOMAIN_HASH;\n\n // Assembly for more efficient computing:\n // keccak256(abi.encodePacked(\n // EIP191_HEADER,\n // EIP712_DOMAIN_HASH,\n // hashStruct \n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, 0x1901000000000000000000000000000000000000000000000000000000000000) // EIP191 header\n mstore(add(memPtr, 2), eip712DomainHash) // EIP712 domain hash\n mstore(add(memPtr, 34), hashStruct) // Hash of struct\n\n // Compute hash\n result := keccak256(memPtr, 66)\n }\n return result;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity 0.4.24;\n\n\n/// @dev This contract documents the revert reasons used in the Exchange contract.\n/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons.\ncontract LibExchangeErrors {\n\n /// Order validation errors ///\n string constant ORDER_UNFILLABLE = \"ORDER_UNFILLABLE\"; // Order cannot be filled.\n string constant INVALID_MAKER = \"INVALID_MAKER\"; // Invalid makerAddress.\n string constant INVALID_TAKER = \"INVALID_TAKER\"; // Invalid takerAddress.\n string constant INVALID_SENDER = \"INVALID_SENDER\"; // Invalid `msg.sender`.\n string constant INVALID_ORDER_SIGNATURE = \"INVALID_ORDER_SIGNATURE\"; // Signature validation failed. \n \n /// fillOrder validation errors ///\n string constant INVALID_TAKER_AMOUNT = \"INVALID_TAKER_AMOUNT\"; // takerAssetFillAmount cannot equal 0.\n string constant ROUNDING_ERROR = \"ROUNDING_ERROR\"; // Rounding error greater than 0.1% of takerAssetFillAmount. \n \n /// Signature validation errors ///\n string constant INVALID_SIGNATURE = \"INVALID_SIGNATURE\"; // Signature validation failed. \n string constant SIGNATURE_ILLEGAL = \"SIGNATURE_ILLEGAL\"; // Signature type is illegal.\n string constant SIGNATURE_UNSUPPORTED = \"SIGNATURE_UNSUPPORTED\"; // Signature type unsupported.\n \n /// cancelOrdersUptTo errors ///\n string constant INVALID_NEW_ORDER_EPOCH = \"INVALID_NEW_ORDER_EPOCH\"; // Specified salt must be greater than or equal to existing orderEpoch.\n\n /// fillOrKillOrder errors ///\n string constant COMPLETE_FILL_FAILED = \"COMPLETE_FILL_FAILED\"; // Desired takerAssetFillAmount could not be completely filled. \n\n /// matchOrders errors ///\n string constant NEGATIVE_SPREAD_REQUIRED = \"NEGATIVE_SPREAD_REQUIRED\"; // Matched orders must have a negative spread.\n\n /// Transaction errors ///\n string constant REENTRANCY_ILLEGAL = \"REENTRANCY_ILLEGAL\"; // Recursive reentrancy is not allowed. \n string constant INVALID_TX_HASH = \"INVALID_TX_HASH\"; // Transaction has already been executed. \n string constant INVALID_TX_SIGNATURE = \"INVALID_TX_SIGNATURE\"; // Signature validation failed. \n string constant FAILED_EXECUTION = \"FAILED_EXECUTION\"; // Transaction execution failed. \n \n /// registerAssetProxy errors ///\n string constant ASSET_PROXY_ALREADY_EXISTS = \"ASSET_PROXY_ALREADY_EXISTS\"; // AssetProxy with same id already exists.\n\n /// dispatchTransferFrom errors ///\n string constant ASSET_PROXY_DOES_NOT_EXIST = \"ASSET_PROXY_DOES_NOT_EXIST\"; // No assetProxy registered at given id.\n string constant TRANSFER_FAILED = \"TRANSFER_FAILED\"; // Asset transfer unsuccesful.\n\n /// Length validation errors ///\n string constant LENGTH_GREATER_THAN_0_REQUIRED = \"LENGTH_GREATER_THAN_0_REQUIRED\"; // Byte array must have a length greater than 0.\n string constant LENGTH_GREATER_THAN_3_REQUIRED = \"LENGTH_GREATER_THAN_3_REQUIRED\"; // Byte array must have a length greater than 3.\n string constant LENGTH_0_REQUIRED = \"LENGTH_0_REQUIRED\"; // Byte array must have a length of 0.\n string constant LENGTH_65_REQUIRED = \"LENGTH_65_REQUIRED\"; // Byte array must have a length of 65.\n}\n", - "2.0.0/protocol/Exchange/libs/LibFillResults.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibFillResults is\n SafeMath\n{\n struct FillResults {\n uint256 makerAssetFilledAmount; // Total amount of makerAsset(s) filled.\n uint256 takerAssetFilledAmount; // Total amount of takerAsset(s) filled.\n uint256 makerFeePaid; // Total amount of ZRX paid by maker(s) to feeRecipient(s).\n uint256 takerFeePaid; // Total amount of ZRX paid by taker to feeRecipients(s).\n }\n\n struct MatchedFillResults {\n FillResults left; // Amounts filled and fees paid of left order.\n FillResults right; // Amounts filled and fees paid of right order.\n uint256 leftMakerAssetSpreadAmount; // Spread between price of left and right order, denominated in the left order's makerAsset, paid to taker.\n }\n\n /// @dev Adds properties of both FillResults instances.\n /// Modifies the first FillResults instance specified.\n /// @param totalFillResults Fill results instance that will be added onto.\n /// @param singleFillResults Fill results instance that will be added to totalFillResults.\n function addFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)\n internal\n pure\n {\n totalFillResults.makerAssetFilledAmount = safeAdd(totalFillResults.makerAssetFilledAmount, singleFillResults.makerAssetFilledAmount);\n totalFillResults.takerAssetFilledAmount = safeAdd(totalFillResults.takerAssetFilledAmount, singleFillResults.takerAssetFilledAmount);\n totalFillResults.makerFeePaid = safeAdd(totalFillResults.makerFeePaid, singleFillResults.makerFeePaid);\n totalFillResults.takerFeePaid = safeAdd(totalFillResults.takerFeePaid, singleFillResults.takerFeePaid);\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibMath.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibMath is\n SafeMath\n{\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function safeGetPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorFloor(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function safeGetPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorCeil(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function getPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function getPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // The absolute rounding error is the difference between the rounded\n // value and the ideal value. The relative rounding error is the\n // absolute rounding error divided by the absolute value of the\n // ideal value. This is undefined when the ideal value is zero.\n //\n // The ideal value is `numerator * target / denominator`.\n // Let's call `numerator * target % denominator` the remainder.\n // The absolute error is `remainder / denominator`.\n //\n // When the ideal value is zero, we require the absolute error to\n // be zero. Fortunately, this is always the case. The ideal value is\n // zero iff `numerator == 0` and/or `target == 0`. In this case the\n // remainder and absolute error are also zero. \n if (target == 0 || numerator == 0) {\n return false;\n }\n \n // Otherwise, we want the relative rounding error to be strictly\n // less than 0.1%.\n // The relative error is `remainder / (numerator * target)`.\n // We want the relative error less than 1 / 1000:\n // remainder / (numerator * denominator) < 1 / 1000\n // or equivalently:\n // 1000 * remainder < numerator * target\n // so we have a rounding error iff:\n // 1000 * remainder >= numerator * target\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding up.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // See the comments in `isRoundingError`.\n if (target == 0 || numerator == 0) {\n // When either is zero, the ideal value and rounded value are zero\n // and there is no rounding error. (Although the relative error\n // is undefined.)\n return false;\n }\n // Compute remainder as before\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n remainder = safeSub(denominator, remainder) % denominator;\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibOrder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./LibEIP712.sol\";\n\n\ncontract LibOrder is\n LibEIP712\n{\n // Hash for the EIP712 Order Schema\n bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"Order(\",\n \"address makerAddress,\",\n \"address takerAddress,\",\n \"address feeRecipientAddress,\",\n \"address senderAddress,\",\n \"uint256 makerAssetAmount,\",\n \"uint256 takerAssetAmount,\",\n \"uint256 makerFee,\",\n \"uint256 takerFee,\",\n \"uint256 expirationTimeSeconds,\",\n \"uint256 salt,\",\n \"bytes makerAssetData,\",\n \"bytes takerAssetData\",\n \")\"\n ));\n\n // A valid order remains fillable until it is expired, fully filled, or cancelled.\n // An order's state is unaffected by external factors, like account balances.\n enum OrderStatus {\n INVALID, // Default value\n INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount\n INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount\n FILLABLE, // Order is fillable\n EXPIRED, // Order has already expired\n FULLY_FILLED, // Order is fully filled\n CANCELLED // Order has been cancelled\n }\n\n // solhint-disable max-line-length\n struct Order {\n address makerAddress; // Address that created the order. \n address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order. \n address feeRecipientAddress; // Address that will recieve fees when order is filled. \n address senderAddress; // Address that is allowed to call Exchange contract methods that affect this order. If set to 0, any address is allowed to call these methods.\n uint256 makerAssetAmount; // Amount of makerAsset being offered by maker. Must be greater than 0. \n uint256 takerAssetAmount; // Amount of takerAsset being bid on by maker. Must be greater than 0. \n uint256 makerFee; // Amount of ZRX paid to feeRecipient by maker when order is filled. If set to 0, no transfer of ZRX from maker to feeRecipient will be attempted.\n uint256 takerFee; // Amount of ZRX paid to feeRecipient by taker when order is filled. If set to 0, no transfer of ZRX from taker to feeRecipient will be attempted.\n uint256 expirationTimeSeconds; // Timestamp in seconds at which order expires. \n uint256 salt; // Arbitrary number to facilitate uniqueness of the order's hash. \n bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.\n bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.\n }\n // solhint-enable max-line-length\n\n struct OrderInfo {\n uint8 orderStatus; // Status that describes order's validity and fillability.\n bytes32 orderHash; // EIP712 hash of the order (see LibOrder.getOrderHash).\n uint256 orderTakerAssetFilledAmount; // Amount of order that has already been filled.\n }\n\n /// @dev Calculates Keccak-256 hash of the order.\n /// @param order The order structure.\n /// @return Keccak-256 EIP712 hash of the order.\n function getOrderHash(Order memory order)\n internal\n view\n returns (bytes32 orderHash)\n {\n orderHash = hashEIP712Message(hashOrder(order));\n return orderHash;\n }\n\n /// @dev Calculates EIP712 hash of the order.\n /// @param order The order structure.\n /// @return EIP712 hash of the order.\n function hashOrder(Order memory order)\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ORDER_SCHEMA_HASH;\n bytes32 makerAssetDataHash = keccak256(order.makerAssetData);\n bytes32 takerAssetDataHash = keccak256(order.takerAssetData);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ORDER_SCHEMA_HASH,\n // bytes32(order.makerAddress),\n // bytes32(order.takerAddress),\n // bytes32(order.feeRecipientAddress),\n // bytes32(order.senderAddress),\n // order.makerAssetAmount,\n // order.takerAssetAmount,\n // order.makerFee,\n // order.takerFee,\n // order.expirationTimeSeconds,\n // order.salt,\n // keccak256(order.makerAssetData),\n // keccak256(order.takerAssetData)\n // ));\n\n assembly {\n // Calculate memory addresses that will be swapped out before hashing\n let pos1 := sub(order, 32)\n let pos2 := add(order, 320)\n let pos3 := add(order, 352)\n\n // Backup\n let temp1 := mload(pos1)\n let temp2 := mload(pos2)\n let temp3 := mload(pos3)\n \n // Hash in place\n mstore(pos1, schemaHash)\n mstore(pos2, makerAssetDataHash)\n mstore(pos3, takerAssetDataHash)\n result := keccak256(pos1, 416)\n \n // Restore\n mstore(pos1, temp1)\n mstore(pos2, temp2)\n mstore(pos3, temp3)\n }\n return result;\n }\n}\n", - "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssetProxyDispatcher.sol\";\n\n\ncontract MAssetProxyDispatcher is\n IAssetProxyDispatcher\n{\n // Logs registration of new asset proxy\n event AssetProxyRegistered(\n bytes4 id, // Id of new registered AssetProxy.\n address assetProxy // Address of new registered AssetProxy.\n );\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal;\n}\n", - "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IExchangeCore.sol\";\n\n\ncontract MExchangeCore is\n IExchangeCore\n{\n // Fill event is emitted whenever an order is filled.\n event Fill(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that received fees.\n address takerAddress, // Address that filled the order.\n address senderAddress, // Address that called the Exchange contract (msg.sender).\n uint256 makerAssetFilledAmount, // Amount of makerAsset sold by maker and bought by taker. \n uint256 takerAssetFilledAmount, // Amount of takerAsset sold by taker and bought by maker.\n uint256 makerFeePaid, // Amount of ZRX paid to feeRecipient by maker.\n uint256 takerFeePaid, // Amount of ZRX paid to feeRecipient by taker.\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // Cancel event is emitted whenever an individual order is cancelled.\n event Cancel(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that would have recieved fees if order was filled. \n address senderAddress, // Address that called the Exchange contract (msg.sender).\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // CancelUpTo event is emitted whenever `cancelOrdersUpTo` is executed succesfully.\n event CancelUpTo(\n address indexed makerAddress, // Orders cancelled must have been created by this address.\n address indexed senderAddress, // Orders cancelled must have a `senderAddress` equal to this address.\n uint256 orderEpoch // Orders with specified makerAddress and senderAddress with a salt less than this value are considered cancelled.\n );\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrderInternal(LibOrder.Order memory order)\n internal;\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function updateFilledState(\n LibOrder.Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n LibFillResults.FillResults memory fillResults\n )\n internal;\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n LibOrder.Order memory order,\n bytes32 orderHash\n )\n internal;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo Status, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view;\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo\n )\n internal\n view;\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n LibOrder.Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.FillResults memory fillResults);\n\n}\n", - "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IMatchOrders.sol\";\n\n\ncontract MMatchOrders is\n IMatchOrders\n{\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure;\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n\n}\n", - "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/ISignatureValidator.sol\";\n\n\ncontract MSignatureValidator is\n ISignatureValidator\n{\n event SignatureValidatorApproval(\n address indexed signerAddress, // Address that approves or disapproves a contract to verify signatures.\n address indexed validatorAddress, // Address of signature validator contract.\n bool approved // Approval or disapproval of validator contract.\n );\n\n // Allowed signature types.\n enum SignatureType {\n Illegal, // 0x00, default value\n Invalid, // 0x01\n EIP712, // 0x02\n EthSign, // 0x03\n Wallet, // 0x04\n Validator, // 0x05\n PreSigned, // 0x06\n NSignatureTypes // 0x07, number of signature types. Always leave at end.\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/mixins/MTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"../interfaces/ITransactions.sol\";\n\n\ncontract MTransactions is\n ITransactions\n{\n // Hash for the EIP712 ZeroEx Transaction Schema\n bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"ZeroExTransaction(\",\n \"uint256 salt,\",\n \"address signerAddress,\",\n \"bytes data\",\n \")\"\n ));\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result);\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address);\n}\n", - "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IWrapperFunctions.sol\";\n\n\ncontract MWrapperFunctions is \n IWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n}\n", - "2.0.0/tokens/ERC20Token/IERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n \n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n \n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", - "2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Token {\n\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(\n address indexed _owner,\n address indexed _approved,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(\n address indexed _owner,\n address indexed _operator,\n bool _approved\n );\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// perator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external;\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public;\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address);\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) \n public\n view\n returns (address);\n \n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool);\n}\n", - "2.0.0/tokens/EtherToken/IEtherToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/IERC20Token.sol\";\n\n\ncontract IEtherToken is\n IERC20Token\n{\n function deposit()\n public\n payable;\n \n function withdraw(uint256 amount)\n public;\n}\n", - "2.0.0/utils/LibBytes/LibBytes.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\nlibrary LibBytes {\n\n using LibBytes for bytes;\n\n /// @dev Gets the memory address for a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of byte array. This\n /// points to the header of the byte array which contains\n /// the length.\n function rawAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := input\n }\n return memoryAddress;\n }\n \n /// @dev Gets the memory address for the contents of a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of the contents of the byte array.\n function contentAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := add(input, 32)\n }\n return memoryAddress;\n }\n\n /// @dev Copies `length` bytes from memory location `source` to `dest`.\n /// @param dest memory address to copy bytes to.\n /// @param source memory address to copy bytes from.\n /// @param length number of bytes to copy.\n function memCopy(\n uint256 dest,\n uint256 source,\n uint256 length\n )\n internal\n pure\n {\n if (length < 32) {\n // Handle a partial word by reading destination and masking\n // off the bits we are interested in.\n // This correctly handles overlap, zero lengths and source == dest\n assembly {\n let mask := sub(exp(256, sub(32, length)), 1)\n let s := and(mload(source), not(mask))\n let d := and(mload(dest), mask)\n mstore(dest, or(s, d))\n }\n } else {\n // Skip the O(length) loop when source == dest.\n if (source == dest) {\n return;\n }\n\n // For large copies we copy whole words at a time. The final\n // word is aligned to the end of the range (instead of after the\n // previous) to handle partial words. So a copy will look like this:\n //\n // ####\n // ####\n // ####\n // ####\n //\n // We handle overlap in the source and destination range by\n // changing the copying direction. This prevents us from\n // overwriting parts of source that we still need to copy.\n //\n // This correctly handles source == dest\n //\n if (source > dest) {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because it\n // is easier to compare with in the loop, and these\n // are also the addresses we need for copying the\n // last bytes.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the last 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the last bytes in\n // source already due to overlap.\n let last := mload(sEnd)\n\n // Copy whole words front to back\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} lt(source, sEnd) {} {\n mstore(dest, mload(source))\n source := add(source, 32)\n dest := add(dest, 32)\n }\n \n // Write the last 32 bytes\n mstore(dEnd, last)\n }\n } else {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because those\n // are the starting points when copying a word at the end.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the first 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the first bytes in\n // source already due to overlap.\n let first := mload(source)\n\n // Copy whole words back to front\n // We use a signed comparisson here to allow dEnd to become\n // negative (happens when source and dest < 32). Valid\n // addresses in local memory will never be larger than\n // 2**255, so they can be safely re-interpreted as signed.\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} slt(dest, dEnd) {} {\n mstore(dEnd, mload(sEnd))\n sEnd := sub(sEnd, 32)\n dEnd := sub(dEnd, 32)\n }\n \n // Write the first 32 bytes\n mstore(dest, first)\n }\n }\n }\n }\n\n /// @dev Returns a slices from a byte array.\n /// @param b The byte array to take a slice from.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n function slice(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure and copy contents\n result = new bytes(to - from);\n memCopy(\n result.contentAddress(),\n b.contentAddress() + from,\n result.length\n );\n return result;\n }\n \n /// @dev Returns a slice from a byte array without preserving the input.\n /// @param b The byte array to take a slice from. Will be destroyed in the process.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n /// @dev When `from == 0`, the original array will match the slice. In other cases its state will be corrupted.\n function sliceDestructive(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure around [from, to) in-place.\n assembly {\n result := add(b, from)\n mstore(result, sub(to, from))\n }\n return result;\n }\n\n /// @dev Pops the last byte off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The byte that was popped off.\n function popLastByte(bytes memory b)\n internal\n pure\n returns (bytes1 result)\n {\n require(\n b.length > 0,\n \"GREATER_THAN_ZERO_LENGTH_REQUIRED\"\n );\n\n // Store last byte.\n result = b[b.length - 1];\n\n assembly {\n // Decrement length of byte array.\n let newLen := sub(mload(b), 1)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Pops the last 20 bytes off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The 20 byte address that was popped off.\n function popLast20Bytes(bytes memory b)\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= 20,\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Store last 20 bytes.\n result = readAddress(b, b.length - 20);\n\n assembly {\n // Subtract 20 from byte array length.\n let newLen := sub(mload(b), 20)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Tests equality of two byte arrays.\n /// @param lhs First byte array to compare.\n /// @param rhs Second byte array to compare.\n /// @return True if arrays are the same. False otherwise.\n function equals(\n bytes memory lhs,\n bytes memory rhs\n )\n internal\n pure\n returns (bool equal)\n {\n // Keccak gas cost is 30 + numWords * 6. This is a cheap way to compare.\n // We early exit on unequal lengths, but keccak would also correctly\n // handle this.\n return lhs.length == rhs.length && keccak256(lhs) == keccak256(rhs);\n }\n\n /// @dev Reads an address from a position in a byte array.\n /// @param b Byte array containing an address.\n /// @param index Index in byte array of address.\n /// @return address from byte array.\n function readAddress(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Read address from array memory\n assembly {\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 20-byte mask to obtain address\n result := and(mload(add(b, index)), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n return result;\n }\n\n /// @dev Writes an address into a specific position in a byte array.\n /// @param b Byte array to insert address into.\n /// @param index Index in byte array of address.\n /// @param input Address to put into byte array.\n function writeAddress(\n bytes memory b,\n uint256 index,\n address input\n )\n internal\n pure\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Store address into array memory\n assembly {\n // The address occupies 20 bytes and mstore stores 32 bytes.\n // First fetch the 32-byte word where we'll be storing the address, then\n // apply a mask so we have only the bytes in the word that the address will not occupy.\n // Then combine these bytes with the address and store the 32 bytes back to memory with mstore.\n\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 12-byte mask to obtain extra bytes occupying word of memory where we'll store the address\n let neighbors := and(\n mload(add(b, index)),\n 0xffffffffffffffffffffffff0000000000000000000000000000000000000000\n )\n \n // Make sure input address is clean.\n // (Solidity does not guarantee this)\n input := and(input, 0xffffffffffffffffffffffffffffffffffffffff)\n\n // Store the neighbors and address into memory\n mstore(add(b, index), xor(input, neighbors))\n }\n }\n\n /// @dev Reads a bytes32 value from a position in a byte array.\n /// @param b Byte array containing a bytes32 value.\n /// @param index Index in byte array of bytes32 value.\n /// @return bytes32 value from byte array.\n function readBytes32(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes32 result)\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n result := mload(add(b, index))\n }\n return result;\n }\n\n /// @dev Writes a bytes32 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes32 to put into byte array.\n function writeBytes32(\n bytes memory b,\n uint256 index,\n bytes32 input\n )\n internal\n pure\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n mstore(add(b, index), input)\n }\n }\n\n /// @dev Reads a uint256 value from a position in a byte array.\n /// @param b Byte array containing a uint256 value.\n /// @param index Index in byte array of uint256 value.\n /// @return uint256 value from byte array.\n function readUint256(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (uint256 result)\n {\n result = uint256(readBytes32(b, index));\n return result;\n }\n\n /// @dev Writes a uint256 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input uint256 to put into byte array.\n function writeUint256(\n bytes memory b,\n uint256 index,\n uint256 input\n )\n internal\n pure\n {\n writeBytes32(b, index, bytes32(input));\n }\n\n /// @dev Reads an unpadded bytes4 value from a position in a byte array.\n /// @param b Byte array containing a bytes4 value.\n /// @param index Index in byte array of bytes4 value.\n /// @return bytes4 value from byte array.\n function readBytes4(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes4 result)\n {\n require(\n b.length >= index + 4,\n \"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 32 byte length field\n index += 32;\n\n // Read the bytes4 from array memory\n assembly {\n result := mload(add(b, index))\n // Solidity does not require us to clean the trailing bytes.\n // We do it anyway\n result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)\n }\n return result;\n }\n\n /// @dev Reads nested bytes from a specific position.\n /// @dev NOTE: the returned value overlaps with the input value.\n /// Both should be treated as immutable.\n /// @param b Byte array containing nested bytes.\n /// @param index Index of nested bytes.\n /// @return result Nested bytes.\n function readBytesWithLength(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes memory result)\n {\n // Read length of nested bytes\n uint256 nestedBytesLength = readUint256(b, index);\n index += 32;\n\n // Assert length of is valid, given\n // length of nested bytes\n require(\n b.length >= index + nestedBytesLength,\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n \n // Return a pointer to the byte array as it exists inside `b`\n assembly {\n result := add(b, index)\n }\n return result;\n }\n\n /// @dev Inserts bytes at a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes to insert.\n function writeBytesWithLength(\n bytes memory b,\n uint256 index,\n bytes memory input\n )\n internal\n pure\n {\n // Assert length of is valid, given\n // length of input\n require(\n b.length >= index + 32 + input.length, // 32 bytes to store length\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n\n // Copy into \n memCopy(\n b.contentAddress() + index,\n input.rawAddress(), // includes length of \n input.length + 32 // +32 bytes to store length\n );\n }\n\n /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length.\n /// @param dest Byte array that will be overwritten with source bytes.\n /// @param source Byte array to copy onto dest bytes.\n function deepCopyBytes(\n bytes memory dest,\n bytes memory source\n )\n internal\n pure\n {\n uint256 sourceLen = source.length;\n // Dest length must be >= source length, or some bytes would not be copied.\n require(\n dest.length >= sourceLen,\n \"GREATER_OR_EQUAL_TO_SOURCE_BYTES_LENGTH_REQUIRED\"\n );\n memCopy(\n dest.contentAddress(),\n source.contentAddress(),\n sourceLen\n );\n }\n}\n", - "2.0.0/utils/Ownable/IOwnable.sol": "pragma solidity 0.4.24;\n\n\ncontract IOwnable {\n\n function transferOwnership(address newOwner)\n public;\n}\n", - "2.0.0/utils/Ownable/Ownable.sol": "pragma solidity 0.4.24;\n\nimport \"./IOwnable.sol\";\n\n\ncontract Ownable is\n IOwnable\n{\n address public owner;\n\n constructor ()\n public\n {\n owner = msg.sender;\n }\n\n modifier onlyOwner() {\n require(\n msg.sender == owner,\n \"ONLY_CONTRACT_OWNER\"\n );\n _;\n }\n\n function transferOwnership(address newOwner)\n public\n onlyOwner\n {\n if (newOwner != address(0)) {\n owner = newOwner;\n }\n }\n}\n", - "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ReentrancyGuard {\n\n // Locked state of mutex\n bool private locked = false;\n\n /// @dev Functions with this modifer cannot be reentered. The mutex will be locked\n /// before function execution and unlocked after.\n modifier nonReentrant() {\n // Ensure mutex is unlocked\n require(\n !locked,\n \"REENTRANCY_ILLEGAL\"\n );\n\n // Lock mutex before function call\n locked = true;\n\n // Perform function call\n _;\n\n // Unlock mutex after function call\n locked = false;\n }\n}\n", - "2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n\n function safeMul(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(\n c / a == b,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function safeDiv(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a / b;\n return c;\n }\n\n function safeSub(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n require(\n b <= a,\n \"UINT256_UNDERFLOW\"\n );\n return a - b;\n }\n\n function safeAdd(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a + b;\n require(\n c >= a,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function max64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n\n function max256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n}\n" - }, - "sourceTreeHashHex": "0xb375308e9f71e2b537b4b9fe7d0dc45c38b7c936468e948958e6aa135dc204c1", - "compiler": { - "name": "solc", - "version": "soljson-v0.4.24+commit.e67f0147.js", - "settings": { - "optimizer": { - "enabled": true, - "runs": 1000000 - }, - "outputSelection": { - "*": { - "*": [ - "abi", - "evm.bytecode.object", - "evm.bytecode.sourceMap", - "evm.deployedBytecode.object", - "evm.deployedBytecode.sourceMap" - ] - } - } - } - }, - "networks": { - "1": { - "address": "0x7afc2d5107af94c462a194d2c21b5bdd238709d6", - "links": {}, - "constructorArgs": "[\"0x4f833a24e1f95d70f028921e27040ca56e09ab0b\",\"0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\",\"0xf47261b0000000000000000000000000c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2\"]" - }, - "3": { - "address": "0x3983e204b12b3c02fb0638caf2cd406a62e0ead3", - "links": {}, - "constructorArgs": "[\"0x4530c0483a1633c7a1c97d2c53721caff2caaaaf\",\"0xf47261b0000000000000000000000000ff67881f8d12f372d91baae9752eb3631ff0ed00\",\"0xf47261b0000000000000000000000000c778417e063141139fce010982780140aa0cd5ab\"]" - }, - "42": { - "address": "0xd85e2fa7e7e252b27b01bf0d65c946959d2f45b8", - "links": {}, - "constructorArgs": "[\"0x35dd2932454449b14cee11a94d3674a936d5d7b2\",\"0xf47261b00000000000000000000000002002d3812f58e35f0ea1ffbf80a75a38c32175fa\",\"0xf47261b0000000000000000000000000d0a1e359811322d97991e03f863a0c30c2cf029c\"]" - }, - "50": { - "address": "0xb69e673309512a9d726f87304c6984054f87a93b", - "links": {}, - "constructorArgs": "[\"0x0b1ba0af832d7c05fd64161e0db78e85978e8082\",\"0xf47261b0000000000000000000000000871dd7c2b4b25e1aa18728e9d5f2af4c4e431f5c\",\"0xf47261b00000000000000000000000000000000000000000000000000000000000000000\"]" - } - } -} diff --git a/packages/migrations/artifacts/2.0.0-mainnet/IValidator.json b/packages/migrations/artifacts/2.0.0-mainnet/IValidator.json deleted file mode 100644 index 0ccb7b343..000000000 --- a/packages/migrations/artifacts/2.0.0-mainnet/IValidator.json +++ /dev/null @@ -1,320 +0,0 @@ -{ - "schemaVersion": "2.0.0", - "contractName": "IValidator", - "compilerOutput": { - "abi": [ - { - "constant": true, - "inputs": [ - { - "name": "hash", - "type": "bytes32" - }, - { - "name": "signerAddress", - "type": "address" - }, - { - "name": "signature", - "type": "bytes" - } - ], - "name": "isValidSignature", - "outputs": [ - { - "name": "isValid", - "type": "bool" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - } - ], - "evm": { - "bytecode": { - "linkReferences": {}, - "object": "0x", - "opcodes": "", - "sourceMap": "" - }, - "deployedBytecode": { - "linkReferences": {}, - "object": "0x", - "opcodes": "", - "sourceMap": "" - } - } - }, - "sources": { - "2.0.0/extensions/Forwarder/Forwarder.sol": { - "id": 0 - }, - "2.0.0/extensions/Forwarder/MixinAssets.sol": { - "id": 1 - }, - "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": { - "id": 2 - }, - "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": { - "id": 3 - }, - "2.0.0/extensions/Forwarder/MixinWeth.sol": { - "id": 4 - }, - "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": { - "id": 5 - }, - "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": { - "id": 6 - }, - "2.0.0/extensions/Forwarder/libs/LibConstants.sol": { - "id": 7 - }, - "2.0.0/extensions/Forwarder/mixins/MAssets.sol": { - "id": 8 - }, - "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": { - "id": 9 - }, - "2.0.0/extensions/Forwarder/mixins/MWeth.sol": { - "id": 10 - }, - "2.0.0/extensions/OrderValidator/OrderValidator.sol": { - "id": 11 - }, - "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": { - "id": 12 - }, - "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": { - "id": 13 - }, - "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": { - "id": 14 - }, - "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": { - "id": 15 - }, - "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": { - "id": 16 - }, - "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": { - "id": 17 - }, - "2.0.0/protocol/Exchange/Exchange.sol": { - "id": 18 - }, - "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": { - "id": 19 - }, - "2.0.0/protocol/Exchange/MixinExchangeCore.sol": { - "id": 20 - }, - "2.0.0/protocol/Exchange/MixinMatchOrders.sol": { - "id": 21 - }, - "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": { - "id": 22 - }, - "2.0.0/protocol/Exchange/MixinTransactions.sol": { - "id": 23 - }, - "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": { - "id": 24 - }, - "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": { - "id": 25 - }, - "2.0.0/protocol/Exchange/interfaces/IExchange.sol": { - "id": 26 - }, - "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": { - "id": 27 - }, - "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": { - "id": 28 - }, - "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": { - "id": 29 - }, - "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": { - "id": 30 - }, - "2.0.0/protocol/Exchange/interfaces/IValidator.sol": { - "id": 31 - }, - "2.0.0/protocol/Exchange/interfaces/IWallet.sol": { - "id": 32 - }, - "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": { - "id": 33 - }, - "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": { - "id": 34 - }, - "2.0.0/protocol/Exchange/libs/LibConstants.sol": { - "id": 35 - }, - "2.0.0/protocol/Exchange/libs/LibEIP712.sol": { - "id": 36 - }, - "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": { - "id": 37 - }, - "2.0.0/protocol/Exchange/libs/LibFillResults.sol": { - "id": 38 - }, - "2.0.0/protocol/Exchange/libs/LibMath.sol": { - "id": 39 - }, - "2.0.0/protocol/Exchange/libs/LibOrder.sol": { - "id": 40 - }, - "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": { - "id": 41 - }, - "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": { - "id": 42 - }, - "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": { - "id": 43 - }, - "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": { - "id": 44 - }, - "2.0.0/protocol/Exchange/mixins/MTransactions.sol": { - "id": 45 - }, - "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": { - "id": 46 - }, - "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": { - "id": 47 - }, - "2.0.0/tokens/ERC20Token/ERC20Token.sol": { - "id": 48 - }, - "2.0.0/tokens/ERC20Token/IERC20Token.sol": { - "id": 49 - }, - "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": { - "id": 50 - }, - "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": { - "id": 51 - }, - "2.0.0/tokens/ERC721Token/ERC721Token.sol": { - "id": 52 - }, - "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": { - "id": 53 - }, - "2.0.0/tokens/ERC721Token/IERC721Token.sol": { - "id": 54 - }, - "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": { - "id": 55 - }, - "2.0.0/tokens/EtherToken/IEtherToken.sol": { - "id": 56 - }, - "2.0.0/utils/LibBytes/LibBytes.sol": { - "id": 57 - }, - "2.0.0/utils/Ownable/IOwnable.sol": { - "id": 58 - }, - "2.0.0/utils/Ownable/Ownable.sol": { - "id": 59 - }, - "2.0.0/utils/SafeMath/SafeMath.sol": { - "id": 60 - } - }, - "sourceCodes": { - "2.0.0/extensions/Forwarder/Forwarder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinWeth.sol\";\nimport \"./MixinForwarderCore.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinAssets.sol\";\nimport \"./MixinExchangeWrapper.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Forwarder is\n LibConstants,\n MixinWeth,\n MixinAssets,\n MixinExchangeWrapper,\n MixinForwarderCore\n{\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n LibConstants(\n _exchange,\n _zrxAssetData,\n _wethAssetData\n )\n MixinForwarderCore()\n {}\n}\n", - "2.0.0/extensions/Forwarder/MixinAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MAssets.sol\";\n\n\ncontract MixinAssets is\n Ownable,\n LibConstants,\n MAssets\n{\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256(\"transfer(address,uint256)\"));\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external\n onlyOwner\n {\n transferAssetToSender(assetData, amount);\n }\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n bytes4 proxyId = assetData.readBytes4(0);\n\n if (proxyId == ERC20_DATA_ID) {\n transferERC20Token(assetData, amount);\n } else if (proxyId == ERC721_DATA_ID) {\n transferERC721Token(assetData, amount);\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n }\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n address token = assetData.readAddress(16);\n\n // Transfer tokens.\n // We do a raw call so we can check the success separate\n // from the return data.\n bool success = token.call(abi.encodeWithSelector(\n ERC20_TRANSFER_SELECTOR,\n msg.sender,\n amount\n ));\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n \n // Check return data.\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // value that evaluates to true.\n assembly {\n if returndatasize {\n success := 0\n if eq(returndatasize, 32) {\n // First 64 bytes of memory are reserved scratch space\n returndatacopy(0, 0, 32)\n success := mload(0)\n }\n }\n }\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n }\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n require(\n amount == 1,\n \"INVALID_AMOUNT\"\n );\n // Decode asset data.\n address token = assetData.readAddress(16);\n uint256 tokenId = assetData.readUint256(36);\n\n // Perform transfer.\n IERC721Token(token).transferFrom(\n address(this),\n msg.sender,\n tokenId\n );\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"../../protocol/Exchange/libs/LibAbiEncoder.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinExchangeWrapper is\n LibAbiEncoder,\n LibFillResults,\n LibMath,\n LibConstants,\n MExchangeWrapper\n{\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n address exchange = address(EXCHANGE);\n\n // Call `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := call(\n gas, // forward all gas, TODO: look into gas consumption of assert/throw\n exchange, // call address of Exchange contract\n 0, // transfer 0 wei\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n switch success\n case 0 {\n mstore(fillResults, 0)\n mstore(add(fillResults, 32), 0)\n mstore(add(fillResults, 64), 0)\n mstore(add(fillResults, 96), 0)\n }\n case 1 {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of WETH to sell\n uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of WETH\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmount(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount;\n if (makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n\n require(\n makerAssetFilledAmount >= makerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n // Do nothing if zrxBuyAmount == 0\n if (zrxBuyAmount == 0) {\n return totalFillResults;\n }\n\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n uint256 zrxPurchased = 0;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // All of these are ZRX/WETH, so we can drop the respective assetData from calldata.\n orders[i].makerAssetData = zrxAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of ZRX to buy.\n uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased);\n\n // Convert the remaining amount of ZRX to buy into remaining amount\n // of WETH to sell, assuming entire amount can be sold in the current order.\n uint256 remainingWethSellAmount = getPartialAmount(\n orders[i].takerAssetAmount,\n safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees \n remainingZrxBuyAmount\n );\n\n // Attempt to sell the remaining amount of WETH.\n FillResults memory singleFillResult = fillOrderNoThrow(\n orders[i],\n safeAdd(remainingWethSellAmount, 1), // we add 1 wei to the fill amount to make up for rounding errors\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker.\n addFillResults(totalFillResults, singleFillResult);\n zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid);\n\n // Stop execution if the entire amount of ZRX has been bought.\n if (zrxPurchased >= zrxBuyAmount) {\n break;\n }\n }\n\n require(\n zrxPurchased >= zrxBuyAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\nimport \"./mixins/MAssets.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"./interfaces/IForwarderCore.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinForwarderCore is\n LibFillResults,\n LibMath,\n LibConstants,\n MWeth,\n MAssets,\n MExchangeWrapper,\n IForwarderCore\n{\n\n using LibBytes for bytes;\n\n /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf.\n constructor ()\n public\n {\n address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID);\n if (proxyAddress != address(0)) {\n ETHER_TOKEN.approve(proxyAddress, MAX_UINT);\n ZRX_TOKEN.approve(proxyAddress, MAX_UINT);\n }\n }\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 wethSellAmount;\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // Calculate amount of WETH that won't be spent on ETH fees.\n wethSellAmount = getPartialAmount(\n PERCENTAGE_DENOMINATOR,\n safeAdd(PERCENTAGE_DENOMINATOR, feePercentage),\n msg.value\n );\n // Market sell available WETH.\n // ZRX fees are paid with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // 5% of WETH is reserved for filling feeOrders and paying feeRecipient.\n wethSellAmount = getPartialAmount(\n MAX_WETH_FILL_PERCENTAGE,\n PERCENTAGE_DENOMINATOR,\n msg.value\n );\n // Market sell 95% of WETH.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // If the makerAsset is ZRX, it is not necessary to pay fees out of this\n // contracts's ZRX balance because fees are factored into the price of the order.\n orderFillResults = marketBuyExactZrxWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // Attemp to purchase desired amount of makerAsset.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketBuyExactAmountWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\n\n\ncontract MixinWeth is\n LibMath,\n LibConstants,\n MWeth\n{\n\n /// @dev Default payabale function, this allows us to withdraw WETH\n function ()\n public\n payable\n {\n require(\n msg.sender == address(ETHER_TOKEN),\n \"DEFAULT_FUNCTION_WETH_CONTRACT_ONLY\"\n );\n }\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal\n {\n require(\n msg.value > 0,\n \"INVALID_MSG_VALUE\"\n );\n ETHER_TOKEN.deposit.value(msg.value)();\n }\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal\n {\n // Ensure feePercentage is less than 5%.\n require(\n feePercentage <= MAX_FEE_PERCENTAGE,\n \"FEE_PERCENTAGE_TOO_LARGE\"\n );\n\n // Ensure that no extra WETH owned by this contract has been sold.\n uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx);\n require(\n wethSold <= msg.value,\n \"OVERSOLD_WETH\"\n );\n\n // Calculate amount of WETH that hasn't been sold.\n uint256 wethRemaining = safeSub(msg.value, wethSold);\n\n // Calculate ETH fee to pay to feeRecipient.\n uint256 ethFee = getPartialAmount(\n feePercentage,\n PERCENTAGE_DENOMINATOR,\n wethSoldExcludingFeeOrders\n );\n\n // Ensure fee is less than amount of WETH remaining.\n require(\n ethFee <= wethRemaining,\n \"INSUFFICIENT_ETH_REMAINING\"\n );\n \n // Do nothing if no WETH remaining\n if (wethRemaining > 0) {\n // Convert remaining WETH to ETH\n ETHER_TOKEN.withdraw(wethRemaining);\n\n // Pay ETH to feeRecipient\n if (ethFee > 0) {\n feeRecipient.transfer(ethFee);\n }\n\n // Refund remaining ETH to msg.sender.\n uint256 ethRefund = safeSub(wethRemaining, ethFee);\n if (ethRefund > 0) {\n msg.sender.transfer(ethRefund);\n }\n }\n }\n}\n", - "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssets {\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external;\n}\n", - "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract IForwarderCore {\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n}\n", - "2.0.0/extensions/Forwarder/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/LibBytes/LibBytes.sol\";\nimport \"../../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../../tokens/EtherToken/IEtherToken.sol\";\nimport \"../../../tokens/ERC20Token/IERC20Token.sol\";\n\n\ncontract LibConstants {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n uint256 constant internal MAX_UINT = 2**256 - 1;\n uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; \n uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5%\n uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95%\n \n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n IEtherToken internal ETHER_TOKEN;\n IERC20Token internal ZRX_TOKEN;\n bytes internal ZRX_ASSET_DATA;\n bytes internal WETH_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n WETH_ASSET_DATA = _wethAssetData;\n\n address etherToken = _wethAssetData.readAddress(16);\n address zrxToken = _zrxAssetData.readAddress(16);\n ETHER_TOKEN = IEtherToken(etherToken);\n ZRX_TOKEN = IERC20Token(zrxToken);\n }\n}\n", - "2.0.0/extensions/Forwarder/mixins/MAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssets.sol\";\n\n\ncontract MAssets is\n IAssets\n{\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n}\n", - "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract MExchangeWrapper {\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n}\n", - "2.0.0/extensions/Forwarder/mixins/MWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract MWeth {\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal;\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal;\n}\n", - "2.0.0/extensions/OrderValidator/OrderValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract OrderValidator {\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n using LibBytes for bytes;\n\n struct TraderInfo {\n uint256 makerBalance; // Maker's balance of makerAsset\n uint256 makerAllowance; // Maker's allowance to corresponding AssetProxy\n uint256 takerBalance; // Taker's balance of takerAsset\n uint256 takerAllowance; // Taker's allowance to corresponding AssetProxy\n uint256 makerZrxBalance; // Maker's balance of ZRX\n uint256 makerZrxAllowance; // Maker's allowance of ZRX to ERC20Proxy\n uint256 takerZrxBalance; // Taker's balance of ZRX\n uint256 takerZrxAllowance; // Taker's allowance of ZRX to ERC20Proxy\n }\n\n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n bytes internal ZRX_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (address _exchange, bytes memory _zrxAssetData)\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n }\n\n /// @dev Fetches information for order and maker/taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return OrderInfo and TraderInfo instances for given order.\n function getOrderAndTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo, TraderInfo memory traderInfo)\n {\n orderInfo = EXCHANGE.getOrderInfo(order);\n traderInfo = getTraderInfo(order, takerAddress);\n return (orderInfo, traderInfo);\n }\n\n /// @dev Fetches information for all passed in orders and the makers/takers of each order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Arrays of OrderInfo and TraderInfo instances that correspond to each order.\n function getOrdersAndTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (LibOrder.OrderInfo[] memory ordersInfo, TraderInfo[] memory tradersInfo)\n {\n ordersInfo = EXCHANGE.getOrdersInfo(orders);\n tradersInfo = getTradersInfo(orders, takerAddresses);\n return (ordersInfo, tradersInfo);\n }\n\n /// @dev Fetches balance and allowances for maker and taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return Balances and allowances of maker and taker of order.\n function getTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (TraderInfo memory traderInfo)\n {\n (traderInfo.makerBalance, traderInfo.makerAllowance) = getBalanceAndAllowance(order.makerAddress, order.makerAssetData);\n (traderInfo.takerBalance, traderInfo.takerAllowance) = getBalanceAndAllowance(takerAddress, order.takerAssetData);\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n (traderInfo.makerZrxBalance, traderInfo.makerZrxAllowance) = getBalanceAndAllowance(order.makerAddress, zrxAssetData);\n (traderInfo.takerZrxBalance, traderInfo.takerZrxAllowance) = getBalanceAndAllowance(takerAddress, zrxAssetData);\n return traderInfo;\n }\n\n /// @dev Fetches balances and allowances of maker and taker for each provided order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Array of balances and allowances for maker and taker of each order.\n function getTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (TraderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n TraderInfo[] memory tradersInfo = new TraderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n tradersInfo[i] = getTraderInfo(orders[i], takerAddresses[i]);\n }\n return tradersInfo;\n }\n\n /// @dev Fetches token balances and allowances of an address to given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Encoded data that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balance of asset and allowance set to given proxy of asset.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalanceAndAllowance(address target, bytes memory assetData)\n public\n view\n returns (uint256 balance, uint256 allowance)\n {\n bytes4 assetProxyId = assetData.readBytes4(0);\n address token = assetData.readAddress(16);\n address assetProxy = EXCHANGE.getAssetProxy(assetProxyId);\n\n if (assetProxyId == ERC20_DATA_ID) {\n // Query balance\n balance = IERC20Token(token).balanceOf(target);\n\n // Query allowance\n allowance = IERC20Token(token).allowance(target, assetProxy);\n } else if (assetProxyId == ERC721_DATA_ID) {\n uint256 tokenId = assetData.readUint256(36);\n\n // Query owner of tokenId\n address owner = getERC721TokenOwner(token, tokenId);\n\n // Set balance to 1 if tokenId is owned by target\n balance = target == owner ? 1 : 0;\n\n // Check if ERC721Proxy is approved to spend tokenId\n bool isApproved = IERC721Token(token).isApprovedForAll(target, assetProxy) || IERC721Token(token).getApproved(tokenId) == assetProxy;\n \n // Set alowance to 1 if ERC721Proxy is approved to spend tokenId\n allowance = isApproved ? 1 : 0;\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n return (balance, allowance);\n }\n\n /// @dev Fetches token balances and allowances of an address for each given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Array of encoded byte arrays that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balances and allowances of assets.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalancesAndAllowances(address target, bytes[] memory assetData)\n public\n view\n returns (uint256[] memory, uint256[] memory)\n {\n uint256 length = assetData.length;\n uint256[] memory balances = new uint256[](length);\n uint256[] memory allowances = new uint256[](length);\n for (uint256 i = 0; i != length; i++) {\n (balances[i], allowances[i]) = getBalanceAndAllowance(target, assetData[i]);\n }\n return (balances, allowances);\n }\n\n /// @dev Calls `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token.\n /// @param token Address of ERC721 token.\n /// @param tokenId The identifier for the specific NFT.\n /// @return Owner of tokenId or null address if unowned.\n function getERC721TokenOwner(address token, uint256 tokenId)\n public\n view\n returns (address owner)\n {\n assembly {\n // load free memory pointer\n let cdStart := mload(64)\n\n // bytes4(keccak256(ownerOf(uint256))) = 0x6352211e\n mstore(cdStart, 0x6352211e00000000000000000000000000000000000000000000000000000000)\n mstore(add(cdStart, 4), tokenId)\n\n // staticcall `ownerOf(tokenId)`\n // `ownerOf` will revert if tokenId is not owned\n let success := staticcall(\n gas, // forward all gas\n token, // call token contract\n cdStart, // start of calldata\n 36, // length of input is 36 bytes\n cdStart, // write output over input\n 32 // size of output is 32 bytes\n )\n\n // Success implies that tokenId is owned\n // Copy owner from return data if successful\n if success {\n owner := mload(cdStart)\n } \n }\n\n // Owner initialized to address(0), no need to modify if call is unsuccessful\n return owner;\n }\n}\n", - "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC20Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n \n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n \n /////// Token contract address ///////\n // The token address is found as follows:\n // * It is stored at offset 4 in `assetData` contents.\n // * This is stored at offset 32 from `assetData`.\n // * The offset to `assetData` from Params is stored at offset\n // 4 in calldata.\n // * The offset of Params in calldata is 4.\n // So we read location 4 and add 32 + 4 + 4 to it.\n let token := calldataload(add(calldataload(4), 40))\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from`, `to` and `amount` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 96)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output over input\n 32 // output size should be 32 bytes\n )\n\n /////// Check return data. ///////\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // nonzero 32 bytes value.\n // So the transfer succeeded if the call succeeded and either\n // returned nothing, or returned a non-zero 32 byte value. \n success := and(success, or(\n iszero(returndatasize),\n and(\n eq(returndatasize, 32),\n gt(mload(0), 0)\n )\n ))\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", - "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC721Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 2 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n // | | 36 | | 2. tokenId |\n \n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. tokenId |\n\n // There exists only 1 of each token.\n // require(amount == 1, \"INVALID_AMOUNT\")\n if sub(calldataload(100), 1) {\n // Revert with `Error(\"INVALID_AMOUNT\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from` and `to` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 64)\n\n // Copy `tokenId` field from our own calldata to the new calldata.\n let assetDataOffset := calldataload(4)\n calldatacopy(68, add(assetDataOffset, 72), 32)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let token := calldataload(add(assetDataOffset, 40))\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output to null\n 0 // output size is 0 bytes\n )\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", - "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAuthorizable.sol\";\n\n\ncontract MixinAuthorizable is\n Ownable,\n MAuthorizable\n{\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized {\n require(\n authorized[msg.sender],\n \"SENDER_NOT_AUTHORIZED\"\n );\n _;\n }\n\n mapping (address => bool) public authorized;\n address[] public authorities;\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n !authorized[target],\n \"TARGET_ALREADY_AUTHORIZED\"\n );\n\n authorized[target] = true;\n authorities.push(target);\n emit AuthorizedAddressAdded(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n\n delete authorized[target];\n for (uint256 i = 0; i < authorities.length; i++) {\n if (authorities[i] == target) {\n authorities[i] = authorities[authorities.length - 1];\n authorities.length -= 1;\n break;\n }\n }\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n require(\n index < authorities.length,\n \"INDEX_OUT_OF_BOUNDS\"\n );\n require(\n authorities[index] == target,\n \"AUTHORIZED_ADDRESS_MISMATCH\"\n );\n\n delete authorized[target];\n authorities[index] = authorities[authorities.length - 1];\n authorities.length -= 1;\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory)\n {\n return authorities;\n }\n}\n", - "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IAuthorizable.sol\";\n\n\ncontract IAssetProxy is\n IAuthorizable\n{\n\n /// @dev Transfers assets. Either succeeds or throws.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n function transferFrom(\n bytes assetData,\n address from,\n address to,\n uint256 amount\n )\n external;\n \n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4);\n}\n", - "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/Ownable/IOwnable.sol\";\n\n\ncontract IAuthorizable is\n IOwnable\n{\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external;\n \n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory);\n}\n", - "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAuthorizable.sol\";\n\n\ncontract MAuthorizable is\n IAuthorizable\n{\n\n // Event logged when a new address is authorized.\n event AuthorizedAddressAdded(\n address indexed target,\n address indexed caller\n );\n\n // Event logged when a currently authorized address is unauthorized.\n event AuthorizedAddressRemoved(\n address indexed target,\n address indexed caller\n );\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized { revert(); _; }\n}\n", - "2.0.0/protocol/Exchange/Exchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinExchangeCore.sol\";\nimport \"./MixinSignatureValidator.sol\";\nimport \"./MixinWrapperFunctions.sol\";\nimport \"./MixinAssetProxyDispatcher.sol\";\nimport \"./MixinTransactions.sol\";\nimport \"./MixinMatchOrders.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Exchange is\n MixinExchangeCore,\n MixinMatchOrders,\n MixinSignatureValidator,\n MixinTransactions,\n MixinAssetProxyDispatcher,\n MixinWrapperFunctions\n{\n\n string constant public VERSION = \"2.0.1-alpha\";\n\n // Mixins are instantiated in the order they are inherited\n constructor (bytes memory _zrxAssetData)\n public\n LibConstants(_zrxAssetData) // @TODO: Remove when we deploy.\n MixinExchangeCore()\n MixinMatchOrders()\n MixinSignatureValidator()\n MixinTransactions()\n MixinAssetProxyDispatcher()\n MixinWrapperFunctions()\n {}\n}\n", - "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\nimport \"../AssetProxy/interfaces/IAssetProxy.sol\";\n\n\ncontract MixinAssetProxyDispatcher is\n Ownable,\n MAssetProxyDispatcher\n{\n using LibBytes for bytes;\n \n // Mapping from Asset Proxy Id's to their respective Asset Proxy\n mapping (bytes4 => IAssetProxy) public assetProxies;\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external\n onlyOwner\n {\n IAssetProxy assetProxyContract = IAssetProxy(assetProxy);\n\n // Ensure that no asset proxy exists with current id.\n bytes4 assetProxyId = assetProxyContract.getProxyId();\n address currentAssetProxy = assetProxies[assetProxyId];\n require(\n currentAssetProxy == address(0),\n \"ASSET_PROXY_ALREADY_EXISTS\"\n );\n\n // Add asset proxy and log registration.\n assetProxies[assetProxyId] = assetProxyContract;\n emit AssetProxyRegistered(\n assetProxyId,\n assetProxy\n );\n }\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address)\n {\n return assetProxies[assetProxyId];\n }\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal\n {\n // Do nothing if no amount should be transferred.\n if (amount > 0) {\n // Ensure assetData length is valid\n require(\n assetData.length > 3,\n \"LENGTH_GREATER_THAN_3_REQUIRED\"\n );\n \n // Lookup assetProxy\n bytes4 assetProxyId;\n assembly {\n assetProxyId := and(mload(\n add(assetData, 32)),\n 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000\n )\n }\n address assetProxy = assetProxies[assetProxyId];\n\n // Ensure that assetProxy exists\n require(\n assetProxy != address(0),\n \"ASSET_PROXY_DOES_NOT_EXIST\"\n );\n \n // We construct calldata for the `assetProxy.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n\n assembly {\n /////// Setup State ///////\n // `cdStart` is the start of the calldata for `assetProxy.transferFrom` (equal to free memory ptr).\n let cdStart := mload(64)\n // `dataAreaLength` is the total number of words needed to store `assetData`\n // As-per the ABI spec, this value is padded up to the nearest multiple of 32,\n // and includes 32-bytes for length.\n let dataAreaLength := and(add(mload(assetData), 63), 0xFFFFFFFFFFFE0)\n // `cdEnd` is the end of the calldata for `assetProxy.transferFrom`.\n let cdEnd := add(cdStart, add(132, dataAreaLength))\n\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFromSelector`.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes.\n // Notes:\n // 1. The offset to `assetData` is the length of the Params Area (128 bytes).\n // 2. A 20-byte mask is applied to addresses to zero-out the unused bytes.\n mstore(add(cdStart, 4), 128)\n mstore(add(cdStart, 36), and(from, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 68), and(to, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 100), amount)\n \n /////// Setup Data Area ///////\n // This area holds `assetData`.\n let dataArea := add(cdStart, 132)\n // solhint-disable-next-line no-empty-blocks\n for {} lt(dataArea, cdEnd) {} {\n mstore(dataArea, mload(assetData))\n dataArea := add(dataArea, 32)\n assetData := add(assetData, 32)\n }\n\n /////// Call `assetProxy.transferFrom` using the constructed calldata ///////\n let success := call(\n gas, // forward all gas\n assetProxy, // call address of asset proxy\n 0, // don't send any ETH\n cdStart, // pointer to start of input\n sub(cdEnd, cdStart), // length of input \n cdStart, // write output over input\n 512 // reserve 512 bytes for output\n )\n if iszero(success) {\n revert(cdStart, returndatasize())\n }\n }\n }\n }\n}\n", - "2.0.0/protocol/Exchange/MixinExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinExchangeCore is\n LibConstants,\n LibMath,\n LibOrder,\n LibFillResults,\n MAssetProxyDispatcher,\n MExchangeCore,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of orderHash => amount of takerAsset already bought by maker\n mapping (bytes32 => uint256) public filled;\n\n // Mapping of orderHash => cancelled\n mapping (bytes32 => bool) public cancelled;\n\n // Mapping of makerAddress => senderAddress => lowest salt an order can have in order to be fillable\n // Orders with specified senderAddress and with a salt less than their epoch are considered cancelled\n mapping (address => mapping (address => uint256)) public orderEpoch;\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external\n {\n address makerAddress = getCurrentContextAddress();\n // If this function is called via `executeTransaction`, we only update the orderEpoch for the makerAddress/msg.sender combination.\n // This allows external filter contracts to add rules to how orders are cancelled via this function.\n address senderAddress = makerAddress == msg.sender ? address(0) : msg.sender;\n\n // orderEpoch is initialized to 0, so to cancelUpTo we need salt + 1\n uint256 newOrderEpoch = targetOrderEpoch + 1; \n uint256 oldOrderEpoch = orderEpoch[makerAddress][senderAddress];\n\n // Ensure orderEpoch is monotonically increasing\n require(\n newOrderEpoch > oldOrderEpoch, \n \"INVALID_NEW_ORDER_EPOCH\"\n );\n\n // Update orderEpoch\n orderEpoch[makerAddress][senderAddress] = newOrderEpoch;\n emit CancelUpTo(makerAddress, senderAddress, newOrderEpoch);\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // Fetch order info\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n\n // Get amount of takerAsset to fill\n uint256 remainingTakerAssetAmount = safeSub(order.takerAssetAmount, orderInfo.orderTakerAssetFilledAmount);\n uint256 takerAssetFilledAmount = min256(takerAssetFillAmount, remainingTakerAssetAmount);\n\n // Validate context\n assertValidFill(\n order,\n orderInfo,\n takerAddress,\n takerAssetFillAmount,\n takerAssetFilledAmount,\n signature\n );\n\n // Compute proportional fill amounts\n fillResults = calculateFillResults(order, takerAssetFilledAmount);\n\n // Update exchange internal state\n updateFilledState(\n order,\n takerAddress,\n orderInfo.orderHash,\n orderInfo.orderTakerAssetFilledAmount,\n fillResults\n );\n \n // Settle order\n settleOrder(order, takerAddress, fillResults);\n\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrder(Order memory order)\n public\n {\n // Fetch current order status\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Validate context\n assertValidCancel(order, orderInfo);\n\n // Perform cancel\n updateCancelledState(order, orderInfo.orderHash);\n }\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(Order memory order)\n public\n view\n returns (OrderInfo memory orderInfo)\n {\n // Compute the order hash\n orderInfo.orderHash = getOrderHash(order);\n\n // Fetch filled amount\n orderInfo.orderTakerAssetFilledAmount = filled[orderInfo.orderHash];\n\n // If order.makerAssetAmount is zero, we also reject the order.\n // While the Exchange contract handles them correctly, they create\n // edge cases in the supporting infrastructure because they have\n // an 'infinite' price when computed by a simple division.\n if (order.makerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_MAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // If order.takerAssetAmount is zero, then the order will always\n // be considered filled because 0 == takerAssetAmount == orderTakerAssetFilledAmount\n // Instead of distinguishing between unfilled and filled zero taker\n // amount orders, we choose not to support them.\n if (order.takerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_TAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // Validate order availability\n if (orderInfo.orderTakerAssetFilledAmount >= order.takerAssetAmount) {\n orderInfo.orderStatus = uint8(OrderStatus.FULLY_FILLED);\n return orderInfo;\n }\n\n // Validate order expiration\n // solhint-disable-next-line not-rely-on-time\n if (block.timestamp >= order.expirationTimeSeconds) {\n orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);\n return orderInfo;\n }\n\n // Check if order has been cancelled\n if (cancelled[orderInfo.orderHash]) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n if (orderEpoch[order.makerAddress][order.senderAddress] > order.salt) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n\n // All other statuses are ruled out: order is Fillable\n orderInfo.orderStatus = uint8(OrderStatus.FILLABLE);\n return orderInfo;\n }\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n function updateFilledState(\n Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n FillResults memory fillResults\n )\n internal\n {\n // Update state\n filled[orderHash] = safeAdd(orderTakerAssetFilledAmount, fillResults.takerAssetFilledAmount);\n\n // Log order\n emit Fill(\n order.makerAddress,\n order.feeRecipientAddress,\n takerAddress,\n msg.sender,\n fillResults.makerAssetFilledAmount,\n fillResults.takerAssetFilledAmount,\n fillResults.makerFeePaid,\n fillResults.takerFeePaid,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n Order memory order,\n bytes32 orderHash\n )\n internal\n {\n // Perform cancel\n cancelled[orderHash] = true;\n\n // Log cancel\n emit Cancel(\n order.makerAddress,\n order.feeRecipientAddress,\n msg.sender,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param signature Proof that the orders was created by its maker.\n function assertValidFill(\n Order memory order,\n OrderInfo memory orderInfo,\n address takerAddress,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n bytes memory signature\n )\n internal\n view\n {\n // An order can only be filled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Revert if fill amount is invalid\n require(\n takerAssetFillAmount != 0,\n \"INVALID_TAKER_AMOUNT\"\n );\n\n // Validate sender is allowed to fill this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate taker is allowed to fill this order\n if (order.takerAddress != address(0)) {\n require(\n order.takerAddress == takerAddress,\n \"INVALID_TAKER\"\n );\n }\n\n // Validate Maker signature (check only if first time seen)\n if (orderInfo.orderTakerAssetFilledAmount == 0) {\n require(\n isValidSignature(\n orderInfo.orderHash,\n order.makerAddress,\n signature\n ),\n \"INVALID_ORDER_SIGNATURE\"\n );\n }\n\n // Validate fill order rounding\n require(\n !isRoundingError(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n ),\n \"ROUNDING_ERROR\"\n );\n }\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n Order memory order,\n OrderInfo memory orderInfo\n )\n internal\n view\n {\n // Ensure order is valid\n // An order can only be cancelled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Validate sender is allowed to cancel this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate transaction signed by maker\n address makerAddress = getCurrentContextAddress();\n require(\n order.makerAddress == makerAddress,\n \"INVALID_MAKER\"\n );\n }\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (FillResults memory fillResults)\n {\n // Compute proportional transfer amounts\n fillResults.takerAssetFilledAmount = takerAssetFilledAmount;\n fillResults.makerAssetFilledAmount = getPartialAmount(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n );\n fillResults.makerFeePaid = getPartialAmount(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerFee\n );\n fillResults.takerFeePaid = getPartialAmount(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.takerFee\n );\n\n return fillResults;\n }\n\n /// @dev Settles an order by transferring assets between counterparties.\n /// @param order Order struct containing order specifications.\n /// @param takerAddress Address selling takerAsset and buying makerAsset.\n /// @param fillResults Amounts to be filled and fees paid by maker and taker.\n function settleOrder(\n LibOrder.Order memory order,\n address takerAddress,\n LibFillResults.FillResults memory fillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n dispatchTransferFrom(\n order.makerAssetData,\n order.makerAddress,\n takerAddress,\n fillResults.makerAssetFilledAmount\n );\n dispatchTransferFrom(\n order.takerAssetData,\n takerAddress,\n order.makerAddress,\n fillResults.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n zrxAssetData,\n order.makerAddress,\n order.feeRecipientAddress,\n fillResults.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n order.feeRecipientAddress,\n fillResults.takerFeePaid\n );\n }\n}\n", - "2.0.0/protocol/Exchange/MixinMatchOrders.sol": "/*\n Copyright 2018 ZeroEx Intl.\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n http://www.apache.org/licenses/LICENSE-2.0\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MMatchOrders.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinMatchOrders is\n LibConstants,\n LibMath,\n MAssetProxyDispatcher,\n MExchangeCore,\n MMatchOrders,\n MTransactions\n{\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We assume that rightOrder.takerAssetData == leftOrder.makerAssetData and rightOrder.makerAssetData == leftOrder.takerAssetData.\n // If this assumption isn't true, the match will fail at signature validation.\n rightOrder.makerAssetData = leftOrder.takerAssetData;\n rightOrder.takerAssetData = leftOrder.makerAssetData;\n\n // Get left & right order info\n LibOrder.OrderInfo memory leftOrderInfo = getOrderInfo(leftOrder);\n LibOrder.OrderInfo memory rightOrderInfo = getOrderInfo(rightOrder);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n\n // Either our context is valid or we revert\n assertValidMatch(leftOrder, rightOrder);\n\n // Compute proportional fill amounts\n matchedFillResults = calculateMatchedFillResults(\n leftOrder,\n rightOrder,\n leftOrderInfo.orderTakerAssetFilledAmount,\n rightOrderInfo.orderTakerAssetFilledAmount\n );\n\n // Validate fill contexts\n assertValidFill(\n leftOrder,\n leftOrderInfo,\n takerAddress,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.takerAssetFilledAmount,\n leftSignature\n );\n assertValidFill(\n rightOrder,\n rightOrderInfo,\n takerAddress,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount,\n rightSignature\n );\n\n // Update exchange state\n updateFilledState(\n leftOrder,\n takerAddress,\n leftOrderInfo.orderHash,\n leftOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.left\n );\n updateFilledState(\n rightOrder,\n takerAddress,\n rightOrderInfo.orderHash,\n rightOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.right\n );\n \n // Settle matched orders. Succeeds or throws.\n settleMatchedOrders(\n leftOrder,\n rightOrder,\n takerAddress,\n matchedFillResults\n );\n\n return matchedFillResults;\n }\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure\n {\n // Make sure there is a profitable spread.\n // There is a profitable spread iff the cost per unit bought (OrderA.MakerAmount/OrderA.TakerAmount) for each order is greater\n // than the profit per unit sold of the matched order (OrderB.TakerAmount/OrderB.MakerAmount).\n // This is satisfied by the equations below:\n // / >= / \n // AND\n // / >= / \n // These equations can be combined to get the following:\n require(\n safeMul(leftOrder.makerAssetAmount, rightOrder.makerAssetAmount) >=\n safeMul(leftOrder.takerAssetAmount, rightOrder.takerAssetAmount),\n \"NEGATIVE_SPREAD_REQUIRED\"\n );\n }\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We settle orders at the exchange rate of the right order.\n // The amount saved by the left maker goes to the taker.\n // Either the left or right order will be fully filled; possibly both.\n // The left order is fully filled iff the right order can sell more than left can buy.\n // That is: the amount required to fill the left order is less than or equal to\n // the amount we can spend from the right order:\n // <= * \n // <= * / \n // * <= * \n uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);\n uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);\n uint256 leftTakerAssetFilledAmount;\n uint256 rightTakerAssetFilledAmount;\n if (\n safeMul(leftTakerAssetAmountRemaining, rightOrder.takerAssetAmount) <=\n safeMul(rightTakerAssetAmountRemaining, rightOrder.makerAssetAmount)\n ) {\n // Left order will be fully filled: maximally fill left\n leftTakerAssetFilledAmount = leftTakerAssetAmountRemaining;\n\n // The right order receives an amount proportional to how much was spent.\n rightTakerAssetFilledAmount = getPartialAmount(\n rightOrder.takerAssetAmount,\n rightOrder.makerAssetAmount,\n leftTakerAssetFilledAmount\n );\n } else {\n // Right order will be fully filled: maximally fill right\n rightTakerAssetFilledAmount = rightTakerAssetAmountRemaining;\n\n // The left order receives an amount proportional to how much was spent.\n leftTakerAssetFilledAmount = getPartialAmount(\n rightOrder.makerAssetAmount,\n rightOrder.takerAssetAmount,\n rightTakerAssetFilledAmount\n );\n }\n\n // Calculate fill results for left order\n matchedFillResults.left = calculateFillResults(\n leftOrder,\n leftTakerAssetFilledAmount\n );\n\n // Calculate fill results for right order\n matchedFillResults.right = calculateFillResults(\n rightOrder,\n rightTakerAssetFilledAmount\n );\n\n // Calculate amount given to taker\n matchedFillResults.leftMakerAssetSpreadAmount = safeSub(\n matchedFillResults.left.makerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount\n );\n\n // Return fill results\n return matchedFillResults;\n }\n\n /// @dev Settles matched order by transferring appropriate funds between order makers, taker, and fee recipient.\n /// @param leftOrder First matched order.\n /// @param rightOrder Second matched order.\n /// @param takerAddress Address that matched the orders. The taker receives the spread between orders as profit.\n /// @param matchedFillResults Struct holding amounts to transfer between makers, taker, and fee recipients.\n function settleMatchedOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n address takerAddress,\n LibFillResults.MatchedFillResults memory matchedFillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n // Order makers and taker\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n rightOrder.makerAddress,\n matchedFillResults.right.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n rightOrder.makerAssetData,\n rightOrder.makerAddress,\n leftOrder.makerAddress,\n matchedFillResults.left.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n takerAddress,\n matchedFillResults.leftMakerAssetSpreadAmount\n );\n\n // Maker fees\n dispatchTransferFrom(\n zrxAssetData,\n leftOrder.makerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n rightOrder.makerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.makerFeePaid\n );\n\n // Taker fees\n if (leftOrder.feeRecipientAddress == rightOrder.feeRecipientAddress) {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n safeAdd(\n matchedFillResults.left.takerFeePaid,\n matchedFillResults.right.takerFeePaid\n )\n );\n } else {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.takerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.takerFeePaid\n );\n }\n }\n}\n", - "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./interfaces/IWallet.sol\";\nimport \"./interfaces/IValidator.sol\";\n\n\ncontract MixinSignatureValidator is\n MSignatureValidator,\n MTransactions\n{\n using LibBytes for bytes;\n \n // Mapping of hash => signer => signed\n mapping (bytes32 => mapping (address => bool)) public preSigned;\n\n // Mapping of signer => validator => approved\n mapping (address => mapping (address => bool)) public allowedValidators;\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n {\n require(\n isValidSignature(\n hash,\n signerAddress,\n signature\n ),\n \"INVALID_SIGNATURE\"\n );\n preSigned[hash][signerAddress] = true;\n }\n\n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external\n {\n address signerAddress = getCurrentContextAddress();\n allowedValidators[signerAddress][validatorAddress] = approval;\n emit SignatureValidatorApproval(\n signerAddress,\n validatorAddress,\n approval\n );\n }\n\n /// @dev Verifies that a hash has been signed by the given signer.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid)\n {\n require(\n signature.length > 0,\n \"LENGTH_GREATER_THAN_0_REQUIRED\"\n );\n\n // Pop last byte off of signature byte array.\n uint8 signatureTypeRaw = uint8(signature.popLastByte());\n\n // Ensure signature is supported\n require(\n signatureTypeRaw < uint8(SignatureType.NSignatureTypes),\n \"SIGNATURE_UNSUPPORTED\"\n );\n\n SignatureType signatureType = SignatureType(signatureTypeRaw);\n\n // Variables are not scoped in Solidity.\n uint8 v;\n bytes32 r;\n bytes32 s;\n address recovered;\n\n // Always illegal signature.\n // This is always an implicit option since a signer can create a\n // signature array with invalid type or length. We may as well make\n // it an explicit option. This aids testing and analysis. It is\n // also the initialization value for the enum type.\n if (signatureType == SignatureType.Illegal) {\n revert(\"SIGNATURE_ILLEGAL\");\n\n // Always invalid signature.\n // Like Illegal, this is always implicitly available and therefore\n // offered explicitly. It can be implicitly created by providing\n // a correctly formatted but incorrect signature.\n } else if (signatureType == SignatureType.Invalid) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = false;\n return isValid;\n\n // Signature using EIP712\n } else if (signatureType == SignatureType.EIP712) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n hash,\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signed using web3.eth_sign\n } else if (signatureType == SignatureType.EthSign) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n32\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Implicitly signed by caller.\n // The signer has initiated the call. In the case of non-contract\n // accounts it means the transaction itself was signed.\n // Example: let's say for a particular operation three signatures\n // A, B and C are required. To submit the transaction, A and B can\n // give a signature to C, who can then submit the transaction using\n // `Caller` for his own signature. Or A and C can sign and B can\n // submit using `Caller`. Having `Caller` allows this flexibility.\n } else if (signatureType == SignatureType.Caller) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = signerAddress == msg.sender;\n return isValid;\n\n // Signature verified by wallet contract.\n // If used with an order, the maker of the order is the wallet contract.\n } else if (signatureType == SignatureType.Wallet) {\n isValid = IWallet(signerAddress).isValidSignature(hash, signature);\n return isValid;\n\n // Signature verified by validator contract.\n // If used with an order, the maker of the order can still be an EOA.\n // A signature using this type should be encoded as:\n // | Offset | Length | Contents |\n // | 0x00 | x | Signature to validate |\n // | 0x00 + x | 20 | Address of validator contract |\n // | 0x14 + x | 1 | Signature type is always \"\\x06\" |\n } else if (signatureType == SignatureType.Validator) {\n // Pop last 20 bytes off of signature byte array.\n address validatorAddress = signature.popLast20Bytes();\n \n // Ensure signer has approved validator.\n if (!allowedValidators[signerAddress][validatorAddress]) {\n return false;\n }\n isValid = IValidator(validatorAddress).isValidSignature(\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signer signed hash previously using the preSign function.\n } else if (signatureType == SignatureType.PreSigned) {\n isValid = preSigned[hash][signerAddress];\n return isValid;\n\n // Signature from Trezor hardware wallet.\n // It differs from web3.eth_sign in the encoding of message length\n // (Bitcoin varint encoding vs ascii-decimal, the latter is not\n // self-terminating which leads to ambiguities).\n // See also:\n // https://en.bitcoin.it/wiki/Protocol_documentation#Variable_length_integer\n // https://github.com/trezor/trezor-mcu/blob/master/firmware/ethereum.c#L602\n // https://github.com/trezor/trezor-mcu/blob/master/firmware/crypto.c#L36\n } else if (signatureType == SignatureType.Trezor) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n\\x20\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n }\n\n // Anything else is illegal (We do not return false because\n // the signature may actually be valid, just not in a format\n // that we currently support. In this case returning false\n // may lead the caller to incorrectly believe that the\n // signature was invalid.)\n revert(\"SIGNATURE_UNSUPPORTED\");\n }\n}\n", - "2.0.0/protocol/Exchange/MixinTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"./libs/LibExchangeErrors.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./libs/LibEIP712.sol\";\n\n\ncontract MixinTransactions is\n LibEIP712,\n MSignatureValidator,\n MTransactions\n{\n\n // Mapping of transaction hash => executed\n // This prevents transactions from being executed more than once.\n mapping (bytes32 => bool) public transactions;\n\n // Address of current transaction signer\n address public currentContextAddress;\n\n // Hash for the EIP712 ZeroEx Transaction Schema\n bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"ZeroExTransaction(\",\n \"uint256 salt,\",\n \"address signerAddress,\",\n \"bytes data\",\n \")\"\n ));\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external\n {\n // Prevent reentrancy\n require(\n currentContextAddress == address(0),\n \"REENTRANCY_ILLEGAL\"\n );\n\n bytes32 transactionHash = hashEIP712Message(hashZeroExTransaction(\n salt,\n signerAddress,\n data\n ));\n\n // Validate transaction has not been executed\n require(\n !transactions[transactionHash],\n \"INVALID_TX_HASH\"\n );\n\n // Transaction always valid if signer is sender of transaction\n if (signerAddress != msg.sender) {\n // Validate signature\n require(\n isValidSignature(\n transactionHash,\n signerAddress,\n signature\n ),\n \"INVALID_TX_SIGNATURE\"\n );\n\n // Set the current transaction signer\n currentContextAddress = signerAddress;\n }\n\n // Execute transaction\n transactions[transactionHash] = true;\n require(\n address(this).delegatecall(data),\n \"FAILED_EXECUTION\"\n );\n\n // Reset current transaction signer if it was previously updated\n if (signerAddress != msg.sender) {\n currentContextAddress = address(0);\n }\n }\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;\n bytes32 dataHash = keccak256(data);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,\n // salt,\n // bytes32(signerAddress),\n // keccak256(data)\n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, schemaHash) // hash of schema\n mstore(add(memPtr, 32), salt) // salt\n mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff)) // signerAddress\n mstore(add(memPtr, 96), dataHash) // hash of data\n\n // Compute hash\n result := keccak256(memPtr, 128)\n }\n return result;\n }\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address)\n {\n address contextAddress = currentContextAddress == address(0) ? msg.sender : currentContextAddress;\n return contextAddress;\n }\n}\n", - "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibAbiEncoder.sol\";\nimport \"./mixins/MExchangeCore.sol\";\n\n\ncontract MixinWrapperFunctions is\n LibMath,\n LibFillResults,\n LibAbiEncoder,\n MExchangeCore\n{\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n require(\n fillResults.takerAssetFilledAmount == takerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return fillResults;\n }\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n // Delegate to `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := delegatecall(\n gas, // forward all gas, TODO: look into gas consumption of assert/throw\n address, // call address of this contract\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n switch success\n case 0 {\n mstore(fillResults, 0)\n mstore(add(fillResults, 32), 0)\n mstore(add(fillResults, 64), 0)\n mstore(add(fillResults, 96), 0)\n }\n case 1 {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrder(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrKillOrder(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n \n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrder(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmount(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrder(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmount(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n cancelOrder(orders[i]);\n }\n }\n\n /// @dev Fetches information for all passed in orders.\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n LibOrder.OrderInfo[] memory ordersInfo = new LibOrder.OrderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n ordersInfo[i] = getOrderInfo(orders[i]);\n }\n return ordersInfo;\n }\n}\n", - "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssetProxyDispatcher {\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external;\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IExchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./IExchangeCore.sol\";\nimport \"./IMatchOrders.sol\";\nimport \"./ISignatureValidator.sol\";\nimport \"./ITransactions.sol\";\nimport \"./IAssetProxyDispatcher.sol\";\nimport \"./IWrapperFunctions.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract IExchange is\n IExchangeCore,\n IMatchOrders,\n ISignatureValidator,\n ITransactions,\n IAssetProxyDispatcher,\n IWrapperFunctions\n{}\n", - "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IExchangeCore {\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external;\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrder(LibOrder.Order memory order)\n public;\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(LibOrder.Order memory order)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IMatchOrders {\n\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n}\n", - "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ISignatureValidator {\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external;\n \n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external;\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address of signer.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\n\ncontract ITransactions {\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external;\n}\n", - "2.0.0/protocol/Exchange/interfaces/IValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IValidator {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IWallet {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IWrapperFunctions {\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public;\n\n /// @dev Fetches information for all passed in orders\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory);\n}\n", - "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./LibOrder.sol\";\n\n\ncontract LibAbiEncoder {\n\n /// @dev ABI encodes calldata for `fillOrder`.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return ABI encoded calldata for `fillOrder`.\n function abiEncodeFillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n pure\n returns (bytes memory fillOrderCalldata)\n {\n // We need to call MExchangeCore.fillOrder using a delegatecall in\n // assembly so that we can intercept a call that throws. For this, we\n // need the input encoded in memory in the Ethereum ABIv2 format [1].\n\n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0x00 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 0x00 | | 1. offset to order (*) |\n // | | 0x20 | | 2. takerAssetFillAmount |\n // | | 0x40 | | 3. offset to signature (*) |\n // | Data | | 12 * 32 | order: |\n // | | 0x000 | | 1. senderAddress |\n // | | 0x020 | | 2. makerAddress |\n // | | 0x040 | | 3. takerAddress |\n // | | 0x060 | | 4. feeRecipientAddress |\n // | | 0x080 | | 5. makerAssetAmount |\n // | | 0x0A0 | | 6. takerAssetAmount |\n // | | 0x0C0 | | 7. makerFeeAmount |\n // | | 0x0E0 | | 8. takerFeeAmount |\n // | | 0x100 | | 9. expirationTimeSeconds |\n // | | 0x120 | | 10. salt |\n // | | 0x140 | | 11. Offset to makerAssetData (*) |\n // | | 0x160 | | 12. Offset to takerAssetData (*) |\n // | | 0x180 | 32 | makerAssetData Length |\n // | | 0x1A0 | ** | makerAssetData Contents |\n // | | 0x1C0 | 32 | takerAssetData Length |\n // | | 0x1E0 | ** | takerAssetData Contents |\n // | | 0x200 | 32 | signature Length |\n // | | 0x220 | ** | signature Contents |\n\n // * Offsets are calculated from the beginning of the current area: Header, Params, Data:\n // An offset stored in the Params area is calculated from the beginning of the Params section.\n // An offset stored in the Data area is calculated from the beginning of the Data section.\n\n // ** The length of dynamic array contents are stored in the field immediately preceeding the contents.\n\n // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html\n\n assembly {\n\n // Areas below may use the following variables:\n // 1. Start -- Start of this area in memory\n // 2. End -- End of this area in memory. This value may\n // be precomputed (before writing contents),\n // or it may be computed as contents are written.\n // 3. Offset -- Current offset into area. If an area's End\n // is precomputed, this variable tracks the\n // offsets of contents as they are written.\n\n /////// Setup Header Area ///////\n // Load free memory pointer\n fillOrderCalldata := mload(0x40)\n // bytes4(keccak256(\"fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)\"))\n // = 0xb4be83d5\n // Leave 0x20 bytes to store the length\n mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000)\n let headerAreaEnd := add(fillOrderCalldata, 0x24)\n\n /////// Setup Params Area ///////\n // This area is preallocated and written to later.\n // This is because we need to fill in offsets that have not yet been calculated.\n let paramsAreaStart := headerAreaEnd\n let paramsAreaEnd := add(paramsAreaStart, 0x60)\n let paramsAreaOffset := paramsAreaStart\n\n /////// Setup Data Area ///////\n let dataAreaStart := paramsAreaEnd\n let dataAreaEnd := dataAreaStart\n\n // Offset from the source data we're reading from\n let sourceOffset := order\n // arrayLenBytes and arrayLenWords track the length of a dynamically-allocated bytes array.\n let arrayLenBytes := 0\n let arrayLenWords := 0\n\n /////// Write order Struct ///////\n // Write memory location of Order, relative to the start of the\n // parameter list, then increment the paramsAreaOffset respectively.\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n // Write values for each field in the order\n // It would be nice to use a loop, but we save on gas by writing\n // the stores sequentially.\n mstore(dataAreaEnd, mload(sourceOffset)) // makerAddress\n mstore(add(dataAreaEnd, 0x20), mload(add(sourceOffset, 0x20))) // takerAddress\n mstore(add(dataAreaEnd, 0x40), mload(add(sourceOffset, 0x40))) // feeRecipientAddress\n mstore(add(dataAreaEnd, 0x60), mload(add(sourceOffset, 0x60))) // senderAddress\n mstore(add(dataAreaEnd, 0x80), mload(add(sourceOffset, 0x80))) // makerAssetAmount\n mstore(add(dataAreaEnd, 0xA0), mload(add(sourceOffset, 0xA0))) // takerAssetAmount\n mstore(add(dataAreaEnd, 0xC0), mload(add(sourceOffset, 0xC0))) // makerFeeAmount\n mstore(add(dataAreaEnd, 0xE0), mload(add(sourceOffset, 0xE0))) // takerFeeAmount\n mstore(add(dataAreaEnd, 0x100), mload(add(sourceOffset, 0x100))) // expirationTimeSeconds\n mstore(add(dataAreaEnd, 0x120), mload(add(sourceOffset, 0x120))) // salt\n mstore(add(dataAreaEnd, 0x140), mload(add(sourceOffset, 0x140))) // Offset to makerAssetData\n mstore(add(dataAreaEnd, 0x160), mload(add(sourceOffset, 0x160))) // Offset to takerAssetData\n dataAreaEnd := add(dataAreaEnd, 0x180)\n sourceOffset := add(sourceOffset, 0x180)\n\n // Write offset to \n mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x140)) // makerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Write offset to \n mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x160)) // takerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n /////// Write takerAssetFillAmount ///////\n mstore(paramsAreaOffset, takerAssetFillAmount)\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n /////// Write signature ///////\n // Write offset to paramsArea\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n\n // Calculate length of signature\n sourceOffset := signature\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of signature\n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of signature\n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Set length of calldata\n mstore(fillOrderCalldata, sub(dataAreaEnd, add(fillOrderCalldata, 0x20)))\n\n // Increment free memory pointer\n mstore(0x40, dataAreaEnd)\n }\n\n return fillOrderCalldata;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\n// solhint-disable max-line-length\ncontract LibConstants {\n \n // Asset data for ZRX token. Used for fee transfers.\n // @TODO: Hardcode constant when we deploy. Currently \n // not constant to make testing easier.\n\n // The proxyId for ZRX_ASSET_DATA is bytes4(keccak256(\"ERC20Token(address)\")) = 0xf47261b0\n \n // Kovan ZRX address is 0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570.\n // The ABI encoded proxyId and address is 0xf47261b00000000000000000000000006ff6c0ff1d68b964901f986d4c9fa3ac68346570\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x6f\\xf6\\xc0\\xff\\x1d\\x68\\xb9\\x64\\x90\\x1f\\x98\\x6d\\x4c\\x9f\\xa3\\xac\\x68\\x34\\x65\\x70\";\n \n // Mainnet ZRX address is 0xe41d2489571d322189246dafa5ebde1f4699f498.\n // The ABI encoded proxyId and address is 0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xe4\\x1d\\x24\\x89\\x57\\x1d\\x32\\x21\\x89\\x24\\x6d\\xaf\\xa5\\xeb\\xde\\x1f\\x46\\x99\\xf4\\x98\";\n \n // solhint-disable-next-line var-name-mixedcase\n bytes public ZRX_ASSET_DATA;\n\n // @TODO: Remove when we deploy.\n constructor (bytes memory zrxAssetData)\n public\n {\n ZRX_ASSET_DATA = zrxAssetData;\n }\n}\n// solhint-enable max-line-length\n", - "2.0.0/protocol/Exchange/libs/LibEIP712.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract LibEIP712 {\n // EIP191 header for EIP712 prefix\n string constant internal EIP191_HEADER = \"\\x19\\x01\";\n\n // EIP712 Domain Name value\n string constant internal EIP712_DOMAIN_NAME = \"0x Protocol\";\n\n // EIP712 Domain Version value\n string constant internal EIP712_DOMAIN_VERSION = \"2\";\n\n // Hash of the EIP712 Domain Separator Schema\n bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"EIP712Domain(\",\n \"string name,\",\n \"string version,\",\n \"address verifyingContract\",\n \")\"\n ));\n\n // Hash of the EIP712 Domain Separator data\n // solhint-disable-next-line var-name-mixedcase\n bytes32 public EIP712_DOMAIN_HASH;\n\n constructor ()\n public\n {\n EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(\n EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,\n keccak256(bytes(EIP712_DOMAIN_NAME)),\n keccak256(bytes(EIP712_DOMAIN_VERSION)),\n bytes32(address(this))\n ));\n }\n\n /// @dev Calculates EIP712 encoding for a hash struct in this EIP712 Domain.\n /// @param hashStruct The EIP712 hash struct.\n /// @return EIP712 hash applied to this EIP712 Domain.\n function hashEIP712Message(bytes32 hashStruct)\n internal\n view\n returns (bytes32 result)\n {\n bytes32 eip712DomainHash = EIP712_DOMAIN_HASH;\n\n // Assembly for more efficient computing:\n // keccak256(abi.encodePacked(\n // EIP191_HEADER,\n // EIP712_DOMAIN_HASH,\n // hashStruct \n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, 0x1901000000000000000000000000000000000000000000000000000000000000) // EIP191 header\n mstore(add(memPtr, 2), eip712DomainHash) // EIP712 domain hash\n mstore(add(memPtr, 34), hashStruct) // Hash of struct\n\n // Compute hash\n result := keccak256(memPtr, 66)\n }\n return result;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity 0.4.24;\n\n\n/// @dev This contract documents the revert reasons used in the Exchange contract.\n/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons.\ncontract LibExchangeErrors {\n\n /// Order validation errors ///\n string constant ORDER_UNFILLABLE = \"ORDER_UNFILLABLE\"; // Order cannot be filled.\n string constant INVALID_MAKER = \"INVALID_MAKER\"; // Invalid makerAddress.\n string constant INVALID_TAKER = \"INVALID_TAKER\"; // Invalid takerAddress.\n string constant INVALID_SENDER = \"INVALID_SENDER\"; // Invalid `msg.sender`.\n string constant INVALID_ORDER_SIGNATURE = \"INVALID_ORDER_SIGNATURE\"; // Signature validation failed. \n \n /// fillOrder validation errors ///\n string constant INVALID_TAKER_AMOUNT = \"INVALID_TAKER_AMOUNT\"; // takerAssetFillAmount cannot equal 0.\n string constant ROUNDING_ERROR = \"ROUNDING_ERROR\"; // Rounding error greater than 0.1% of takerAssetFillAmount. \n \n /// Signature validation errors ///\n string constant INVALID_SIGNATURE = \"INVALID_SIGNATURE\"; // Signature validation failed. \n string constant SIGNATURE_ILLEGAL = \"SIGNATURE_ILLEGAL\"; // Signature type is illegal.\n string constant SIGNATURE_UNSUPPORTED = \"SIGNATURE_UNSUPPORTED\"; // Signature type unsupported.\n \n /// cancelOrdersUptTo errors ///\n string constant INVALID_NEW_ORDER_EPOCH = \"INVALID_NEW_ORDER_EPOCH\"; // Specified salt must be greater than or equal to existing orderEpoch.\n\n /// fillOrKillOrder errors ///\n string constant COMPLETE_FILL_FAILED = \"COMPLETE_FILL_FAILED\"; // Desired takerAssetFillAmount could not be completely filled. \n\n /// matchOrders errors ///\n string constant NEGATIVE_SPREAD_REQUIRED = \"NEGATIVE_SPREAD_REQUIRED\"; // Matched orders must have a negative spread.\n\n /// Transaction errors ///\n string constant REENTRANCY_ILLEGAL = \"REENTRANCY_ILLEGAL\"; // Recursive reentrancy is not allowed. \n string constant INVALID_TX_HASH = \"INVALID_TX_HASH\"; // Transaction has already been executed. \n string constant INVALID_TX_SIGNATURE = \"INVALID_TX_SIGNATURE\"; // Signature validation failed. \n string constant FAILED_EXECUTION = \"FAILED_EXECUTION\"; // Transaction execution failed. \n \n /// registerAssetProxy errors ///\n string constant ASSET_PROXY_ALREADY_EXISTS = \"ASSET_PROXY_ALREADY_EXISTS\"; // AssetProxy with same id already exists.\n\n /// dispatchTransferFrom errors ///\n string constant ASSET_PROXY_DOES_NOT_EXIST = \"ASSET_PROXY_DOES_NOT_EXIST\"; // No assetProxy registered at given id.\n string constant TRANSFER_FAILED = \"TRANSFER_FAILED\"; // Asset transfer unsuccesful.\n\n /// Length validation errors ///\n string constant LENGTH_GREATER_THAN_0_REQUIRED = \"LENGTH_GREATER_THAN_0_REQUIRED\"; // Byte array must have a length greater than 0.\n string constant LENGTH_GREATER_THAN_3_REQUIRED = \"LENGTH_GREATER_THAN_3_REQUIRED\"; // Byte array must have a length greater than 3.\n string constant LENGTH_0_REQUIRED = \"LENGTH_0_REQUIRED\"; // Byte array must have a length of 0.\n string constant LENGTH_65_REQUIRED = \"LENGTH_65_REQUIRED\"; // Byte array must have a length of 65.\n}\n", - "2.0.0/protocol/Exchange/libs/LibFillResults.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibFillResults is\n SafeMath\n{\n\n struct FillResults {\n uint256 makerAssetFilledAmount; // Total amount of makerAsset(s) filled.\n uint256 takerAssetFilledAmount; // Total amount of takerAsset(s) filled.\n uint256 makerFeePaid; // Total amount of ZRX paid by maker(s) to feeRecipient(s).\n uint256 takerFeePaid; // Total amount of ZRX paid by taker to feeRecipients(s).\n }\n\n struct MatchedFillResults {\n FillResults left; // Amounts filled and fees paid of left order.\n FillResults right; // Amounts filled and fees paid of right order.\n uint256 leftMakerAssetSpreadAmount; // Spread between price of left and right order, denominated in the left order's makerAsset, paid to taker.\n }\n\n /// @dev Adds properties of both FillResults instances.\n /// Modifies the first FillResults instance specified.\n /// @param totalFillResults Fill results instance that will be added onto.\n /// @param singleFillResults Fill results instance that will be added to totalFillResults.\n function addFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)\n internal\n pure\n {\n totalFillResults.makerAssetFilledAmount = safeAdd(totalFillResults.makerAssetFilledAmount, singleFillResults.makerAssetFilledAmount);\n totalFillResults.takerAssetFilledAmount = safeAdd(totalFillResults.takerAssetFilledAmount, singleFillResults.takerAssetFilledAmount);\n totalFillResults.makerFeePaid = safeAdd(totalFillResults.makerFeePaid, singleFillResults.makerFeePaid);\n totalFillResults.takerFeePaid = safeAdd(totalFillResults.takerFeePaid, singleFillResults.takerFeePaid);\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibMath.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibMath is\n SafeMath\n{\n\n /// @dev Calculates partial value given a numerator and denominator.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target.\n function getPartialAmount(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Checks if rounding error > 0.1%.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingError(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n uint256 remainder = mulmod(target, numerator, denominator);\n if (remainder == 0) {\n return false; // No rounding error.\n }\n\n uint256 errPercentageTimes1000000 = safeDiv(\n safeMul(remainder, 1000000),\n safeMul(numerator, target)\n );\n isError = errPercentageTimes1000000 > 1000;\n return isError;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibOrder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./LibEIP712.sol\";\n\n\ncontract LibOrder is\n LibEIP712\n{\n\n // Hash for the EIP712 Order Schema\n bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"Order(\",\n \"address makerAddress,\",\n \"address takerAddress,\",\n \"address feeRecipientAddress,\",\n \"address senderAddress,\",\n \"uint256 makerAssetAmount,\",\n \"uint256 takerAssetAmount,\",\n \"uint256 makerFee,\",\n \"uint256 takerFee,\",\n \"uint256 expirationTimeSeconds,\",\n \"uint256 salt,\",\n \"bytes makerAssetData,\",\n \"bytes takerAssetData\",\n \")\"\n ));\n\n // A valid order remains fillable until it is expired, fully filled, or cancelled.\n // An order's state is unaffected by external factors, like account balances.\n enum OrderStatus {\n INVALID, // Default value\n INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount\n INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount\n FILLABLE, // Order is fillable\n EXPIRED, // Order has already expired\n FULLY_FILLED, // Order is fully filled\n CANCELLED // Order has been cancelled\n }\n\n // solhint-disable max-line-length\n struct Order {\n address makerAddress; // Address that created the order. \n address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order. \n address feeRecipientAddress; // Address that will recieve fees when order is filled. \n address senderAddress; // Address that is allowed to call Exchange contract methods that affect this order. If set to 0, any address is allowed to call these methods.\n uint256 makerAssetAmount; // Amount of makerAsset being offered by maker. Must be greater than 0. \n uint256 takerAssetAmount; // Amount of takerAsset being bid on by maker. Must be greater than 0. \n uint256 makerFee; // Amount of ZRX paid to feeRecipient by maker when order is filled. If set to 0, no transfer of ZRX from maker to feeRecipient will be attempted.\n uint256 takerFee; // Amount of ZRX paid to feeRecipient by taker when order is filled. If set to 0, no transfer of ZRX from taker to feeRecipient will be attempted.\n uint256 expirationTimeSeconds; // Timestamp in seconds at which order expires. \n uint256 salt; // Arbitrary number to facilitate uniqueness of the order's hash. \n bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.\n bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.\n }\n // solhint-enable max-line-length\n\n struct OrderInfo {\n uint8 orderStatus; // Status that describes order's validity and fillability.\n bytes32 orderHash; // EIP712 hash of the order (see LibOrder.getOrderHash).\n uint256 orderTakerAssetFilledAmount; // Amount of order that has already been filled.\n }\n\n /// @dev Calculates Keccak-256 hash of the order.\n /// @param order The order structure.\n /// @return Keccak-256 EIP712 hash of the order.\n function getOrderHash(Order memory order)\n internal\n view\n returns (bytes32 orderHash)\n {\n orderHash = hashEIP712Message(hashOrder(order));\n return orderHash;\n }\n\n /// @dev Calculates EIP712 hash of the order.\n /// @param order The order structure.\n /// @return EIP712 hash of the order.\n function hashOrder(Order memory order)\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ORDER_SCHEMA_HASH;\n bytes32 makerAssetDataHash = keccak256(order.makerAssetData);\n bytes32 takerAssetDataHash = keccak256(order.takerAssetData);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ORDER_SCHEMA_HASH,\n // bytes32(order.makerAddress),\n // bytes32(order.takerAddress),\n // bytes32(order.feeRecipientAddress),\n // bytes32(order.senderAddress),\n // order.makerAssetAmount,\n // order.takerAssetAmount,\n // order.makerFee,\n // order.takerFee,\n // order.expirationTimeSeconds,\n // order.salt,\n // keccak256(order.makerAssetData),\n // keccak256(order.takerAssetData)\n // ));\n\n assembly {\n // Calculate memory addresses that will be swapped out before hashing\n let pos1 := sub(order, 32)\n let pos2 := add(order, 320)\n let pos3 := add(order, 352)\n\n // Backup\n let temp1 := mload(pos1)\n let temp2 := mload(pos2)\n let temp3 := mload(pos3)\n \n // Hash in place\n mstore(pos1, schemaHash)\n mstore(pos2, makerAssetDataHash)\n mstore(pos3, takerAssetDataHash)\n result := keccak256(pos1, 416)\n \n // Restore\n mstore(pos1, temp1)\n mstore(pos2, temp2)\n mstore(pos3, temp3)\n }\n return result;\n }\n}\n", - "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssetProxyDispatcher.sol\";\n\n\ncontract MAssetProxyDispatcher is\n IAssetProxyDispatcher\n{\n\n // Logs registration of new asset proxy\n event AssetProxyRegistered(\n bytes4 id, // Id of new registered AssetProxy.\n address assetProxy // Address of new registered AssetProxy.\n );\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal;\n}\n", - "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IExchangeCore.sol\";\n\n\ncontract MExchangeCore is\n IExchangeCore\n{\n // Fill event is emitted whenever an order is filled.\n event Fill(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that received fees.\n address takerAddress, // Address that filled the order.\n address senderAddress, // Address that called the Exchange contract (msg.sender).\n uint256 makerAssetFilledAmount, // Amount of makerAsset sold by maker and bought by taker. \n uint256 takerAssetFilledAmount, // Amount of takerAsset sold by taker and bought by maker.\n uint256 makerFeePaid, // Amount of ZRX paid to feeRecipient by maker.\n uint256 takerFeePaid, // Amount of ZRX paid to feeRecipient by taker.\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // Cancel event is emitted whenever an individual order is cancelled.\n event Cancel(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that would have recieved fees if order was filled. \n address senderAddress, // Address that called the Exchange contract (msg.sender).\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // CancelUpTo event is emitted whenever `cancelOrdersUpTo` is executed succesfully.\n event CancelUpTo(\n address indexed makerAddress, // Orders cancelled must have been created by this address.\n address indexed senderAddress, // Orders cancelled must have a `senderAddress` equal to this address.\n uint256 orderEpoch // Orders with specified makerAddress and senderAddress with a salt less than this value are considered cancelled.\n );\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function updateFilledState(\n LibOrder.Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n LibFillResults.FillResults memory fillResults\n )\n internal;\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n LibOrder.Order memory order,\n bytes32 orderHash\n )\n internal;\n\n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo Status, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param signature Proof that the orders was created by its maker.\n function assertValidFill(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n address takerAddress,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n bytes memory signature\n )\n internal\n view;\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo\n )\n internal\n view;\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n LibOrder.Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.FillResults memory fillResults);\n\n}\n", - "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IMatchOrders.sol\";\n\n\ncontract MMatchOrders is\n IMatchOrders\n{\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure;\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n\n}\n", - "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/ISignatureValidator.sol\";\n\n\ncontract MSignatureValidator is\n ISignatureValidator\n{\n event SignatureValidatorApproval(\n address indexed signerAddress, // Address that approves or disapproves a contract to verify signatures.\n address indexed validatorAddress, // Address of signature validator contract.\n bool approved // Approval or disapproval of validator contract.\n );\n\n // Allowed signature types.\n enum SignatureType {\n Illegal, // 0x00, default value\n Invalid, // 0x01\n EIP712, // 0x02\n EthSign, // 0x03\n Caller, // 0x04\n Wallet, // 0x05\n Validator, // 0x06\n PreSigned, // 0x07\n Trezor, // 0x08\n NSignatureTypes // 0x09, number of signature types. Always leave at end.\n }\n}\n", - "2.0.0/protocol/Exchange/mixins/MTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"../interfaces/ITransactions.sol\";\n\n\ncontract MTransactions is\n ITransactions\n{\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address);\n}\n", - "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/MintableERC20Token.sol\";\n\n\ncontract DummyERC20Token is \n Ownable,\n MintableERC20Token\n{\n string public name;\n string public symbol;\n uint256 public decimals;\n uint256 public constant MAX_MINT_AMOUNT = 10000000000000000000000;\n\n constructor (\n string _name,\n string _symbol,\n uint256 _decimals,\n uint256 _totalSupply\n )\n public\n {\n name = _name;\n symbol = _symbol;\n decimals = _decimals;\n _totalSupply = _totalSupply;\n balances[msg.sender] = _totalSupply;\n }\n\n /// @dev Sets the balance of target address\n /// @param _target Address or which balance will be updated\n /// @param _value New balance of target address\n function setBalance(address _target, uint256 _value)\n external\n onlyOwner\n {\n uint256 currBalance = balances[_target];\n if (_value < currBalance) {\n _totalSupply = safeSub(_totalSupply, safeSub(currBalance, _value));\n } else {\n _totalSupply = safeAdd(_totalSupply, safeSub(_value, currBalance));\n }\n balances[_target] = _value;\n }\n\n /// @dev Mints new tokens for sender\n /// @param _value Amount of tokens to mint\n function mint(uint256 _value)\n external\n {\n require(\n _value <= MAX_MINT_AMOUNT,\n \"VALUE_TOO_LARGE\"\n );\n\n _mint(msg.sender, _value);\n }\n}\n", - "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../tokens/ERC721Token/MintableERC721Token.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract DummyERC721Token is\n Ownable,\n MintableERC721Token\n{\n string public name;\n string public symbol;\n\n constructor (\n string _name,\n string _symbol\n )\n public\n {\n name = _name;\n symbol = _symbol;\n }\n\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function mint(address _to, uint256 _tokenId)\n external\n {\n _mint(_to, _tokenId);\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist or not called by contract owner\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function burn(address _owner, uint256 _tokenId)\n external\n onlyOwner\n {\n _burn(_owner, _tokenId);\n }\n}\n", - "2.0.0/tokens/ERC20Token/ERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC20Token.sol\";\n\n\ncontract ERC20Token is\n IERC20Token\n{\n\n mapping (address => uint256) internal balances;\n mapping (address => mapping (address => uint256)) internal allowed;\n\n uint256 internal _totalSupply;\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool)\n {\n require(\n balances[msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[msg.sender] -= _value;\n balances[_to] += _value;\n\n emit Transfer(\n msg.sender,\n _to,\n _value\n );\n\n return true;\n }\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowed[_from][msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n allowed[_from][msg.sender] -= _value;\n \n emit Transfer(\n _from,\n _to,\n _value\n );\n \n return true;\n }\n\n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool)\n {\n allowed[msg.sender][_spender] = _value;\n emit Approval(\n msg.sender,\n _spender,\n _value\n );\n return true;\n }\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256)\n {\n return _totalSupply;\n }\n\n /// @dev Query the balance of owner\n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n return balances[_owner];\n }\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256)\n {\n return allowed[_owner][_spender];\n }\n}\n", - "2.0.0/tokens/ERC20Token/IERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n \n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n \n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", - "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/SafeMath/SafeMath.sol\";\nimport \"./UnlimitedAllowanceERC20Token.sol\";\n\n\ncontract MintableERC20Token is \n SafeMath,\n UnlimitedAllowanceERC20Token\n{\n\n /// @dev Mints new tokens\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _value Amount of tokens to mint\n function _mint(address _to, uint256 _value)\n internal\n {\n balances[_to] = safeAdd(_value, balances[_to]);\n _totalSupply = safeAdd(_totalSupply, _value);\n\n emit Transfer(\n address(0),\n _to,\n _value\n );\n }\n\n /// @dev Mints new tokens\n /// @param _owner Owner of tokens that will be burned\n /// @param _value Amount of tokens to burn\n function _burn(address _owner, uint256 _value)\n internal\n {\n balances[_owner] = safeSub(balances[_owner], _value);\n _totalSupply = safeSub(_totalSupply, _value);\n\n emit Transfer(\n _owner,\n address(0),\n _value\n );\n }\n}\n", - "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/ERC20Token.sol\";\n\n\ncontract UnlimitedAllowanceERC20Token is\n ERC20Token\n{\n\n uint256 constant internal MAX_UINT = 2**256 - 1;\n\n /// @dev ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited allowance. See https://github.com/ethereum/EIPs/issues/717\n /// @param _from Address to transfer from.\n /// @param _to Address to transfer to.\n /// @param _value Amount to transfer.\n /// @return Success of transfer.\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n uint256 allowance = allowed[_from][msg.sender];\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowance >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n if (allowance < MAX_UINT) {\n allowed[_from][msg.sender] -= _value;\n }\n\n emit Transfer(\n _from,\n _to,\n _value\n );\n\n return true;\n }\n}\n", - "2.0.0/tokens/ERC721Token/ERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC721Token.sol\";\nimport \"./IERC721Receiver.sol\";\nimport \"../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract ERC721Token is\n IERC721Token,\n SafeMath\n{\n // Function selector for ERC721Receiver.onERC721Received\n // 0x150b7a02\n bytes4 constant internal ERC721_RECEIVED = bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"));\n\n // Mapping of tokenId => owner\n mapping (uint256 => address) internal owners;\n\n // Mapping of tokenId => approved address\n mapping (uint256 => address) internal approvals;\n\n // Mapping of owner => number of tokens owned\n mapping (address => uint256) internal balances;\n\n // Mapping of owner => operator => approved\n mapping (address => mapping (address => bool)) internal operatorApprovals;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n _data\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n \"\"\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external\n {\n address owner = ownerOf(_tokenId);\n require(\n msg.sender == owner || isApprovedForAll(owner, msg.sender),\n \"ERC721_INVALID_SENDER\"\n );\n\n approvals[_tokenId] = _approved;\n emit Approval(\n owner,\n _approved,\n _tokenId\n );\n }\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external\n {\n operatorApprovals[msg.sender][_operator] = _approved;\n emit ApprovalForAll(\n msg.sender,\n _operator,\n _approved\n );\n }\n \n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return balances[_owner];\n }\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = ownerOf(_tokenId);\n require(\n _from == owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n address spender = msg.sender;\n address approvedAddress = getApproved(_tokenId);\n require(\n spender == owner ||\n isApprovedForAll(owner, spender) ||\n approvedAddress == spender,\n \"ERC721_INVALID_SPENDER\"\n );\n\n if (approvedAddress != address(0)) {\n approvals[_tokenId] = address(0);\n }\n\n owners[_tokenId] = _to;\n balances[_from] = safeSub(balances[_from], 1);\n balances[_to] = safeAdd(balances[_to], 1);\n \n emit Transfer(\n _from,\n _to,\n _tokenId\n );\n }\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address)\n {\n address owner = owners[_tokenId];\n require(\n owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return owner;\n }\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId)\n public\n view\n returns (address)\n {\n return approvals[_tokenId];\n }\n\n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool)\n {\n return operatorApprovals[_owner][_operator];\n }\n}\n", - "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Receiver {\n\n /// @notice Handle the receipt of an NFT\n /// @dev The ERC721 smart contract calls this function on the recipient\n /// after a `transfer`. This function MAY throw to revert and reject the\n /// transfer. Return of other than the magic value MUST result in the\n /// transaction being reverted.\n /// Note: the contract address is always the message sender.\n /// @param _operator The address which called `safeTransferFrom` function\n /// @param _from The address which previously owned the token\n /// @param _tokenId The NFT identifier which is being transferred\n /// @param _data Additional data with no specified format\n /// @return `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`\n /// unless throwing\n function onERC721Received(\n address _operator,\n address _from,\n uint256 _tokenId,\n bytes _data\n )\n external\n returns (bytes4);\n}\n", - "2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Token {\n\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(\n address indexed _owner,\n address indexed _approved,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(\n address indexed _owner,\n address indexed _operator,\n bool _approved\n );\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// perator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external;\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public;\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address);\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) \n public\n view\n returns (address);\n \n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool);\n}\n", - "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./ERC721Token.sol\";\n\n\ncontract MintableERC721Token is\n ERC721Token\n{\n\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function _mint(address _to, uint256 _tokenId)\n internal\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == address(0),\n \"ERC721_OWNER_ALREADY_EXISTS\"\n );\n\n owners[_tokenId] = _to;\n balances[_to] = safeAdd(balances[_to], 1);\n\n emit Transfer(\n address(0),\n _to,\n _tokenId\n );\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function _burn(address _owner, uint256 _tokenId)\n internal\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == _owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n owners[_tokenId] = address(0);\n balances[_owner] = safeSub(balances[_owner], 1);\n\n emit Transfer(\n _owner,\n address(0),\n _tokenId\n );\n }\n}\n", - "2.0.0/tokens/EtherToken/IEtherToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/IERC20Token.sol\";\n\n\ncontract IEtherToken is\n IERC20Token\n{\n function deposit()\n public\n payable;\n \n function withdraw(uint256 amount)\n public;\n}\n", - "2.0.0/utils/LibBytes/LibBytes.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\nlibrary LibBytes {\n\n using LibBytes for bytes;\n\n /// @dev Gets the memory address for a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of byte array. This\n /// points to the header of the byte array which contains\n /// the length.\n function rawAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := input\n }\n return memoryAddress;\n }\n \n /// @dev Gets the memory address for the contents of a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of the contents of the byte array.\n function contentAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := add(input, 32)\n }\n return memoryAddress;\n }\n\n /// @dev Copies `length` bytes from memory location `source` to `dest`.\n /// @param dest memory address to copy bytes to.\n /// @param source memory address to copy bytes from.\n /// @param length number of bytes to copy.\n function memCopy(\n uint256 dest,\n uint256 source,\n uint256 length\n )\n internal\n pure\n {\n if (length < 32) {\n // Handle a partial word by reading destination and masking\n // off the bits we are interested in.\n // This correctly handles overlap, zero lengths and source == dest\n assembly {\n let mask := sub(exp(256, sub(32, length)), 1)\n let s := and(mload(source), not(mask))\n let d := and(mload(dest), mask)\n mstore(dest, or(s, d))\n }\n } else {\n // Skip the O(length) loop when source == dest.\n if (source == dest) {\n return;\n }\n\n // For large copies we copy whole words at a time. The final\n // word is aligned to the end of the range (instead of after the\n // previous) to handle partial words. So a copy will look like this:\n //\n // ####\n // ####\n // ####\n // ####\n //\n // We handle overlap in the source and destination range by\n // changing the copying direction. This prevents us from\n // overwriting parts of source that we still need to copy.\n //\n // This correctly handles source == dest\n //\n if (source > dest) {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because it\n // is easier to compare with in the loop, and these\n // are also the addresses we need for copying the\n // last bytes.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the last 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the last bytes in\n // source already due to overlap.\n let last := mload(sEnd)\n\n // Copy whole words front to back\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} lt(source, sEnd) {} {\n mstore(dest, mload(source))\n source := add(source, 32)\n dest := add(dest, 32)\n }\n \n // Write the last 32 bytes\n mstore(dEnd, last)\n }\n } else {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because those\n // are the starting points when copying a word at the end.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the first 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the first bytes in\n // source already due to overlap.\n let first := mload(source)\n\n // Copy whole words back to front\n // We use a signed comparisson here to allow dEnd to become\n // negative (happens when source and dest < 32). Valid\n // addresses in local memory will never be larger than\n // 2**255, so they can be safely re-interpreted as signed.\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} slt(dest, dEnd) {} {\n mstore(dEnd, mload(sEnd))\n sEnd := sub(sEnd, 32)\n dEnd := sub(dEnd, 32)\n }\n \n // Write the first 32 bytes\n mstore(dest, first)\n }\n }\n }\n }\n\n /// @dev Returns a slices from a byte array.\n /// @param b The byte array to take a slice from.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n function slice(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure and copy contents\n result = new bytes(to - from);\n memCopy(\n result.contentAddress(),\n b.contentAddress() + from,\n result.length);\n return result;\n }\n \n /// @dev Returns a slice from a byte array without preserving the input.\n /// @param b The byte array to take a slice from. Will be destroyed in the process.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n /// @dev When `from == 0`, the original array will match the slice. In other cases its state will be corrupted.\n function sliceDestructive(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure around [from, to) in-place.\n assembly {\n result := add(b, from)\n mstore(result, sub(to, from))\n }\n return result;\n }\n\n /// @dev Pops the last byte off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The byte that was popped off.\n function popLastByte(bytes memory b)\n internal\n pure\n returns (bytes1 result)\n {\n require(\n b.length > 0,\n \"GREATER_THAN_ZERO_LENGTH_REQUIRED\"\n );\n\n // Store last byte.\n result = b[b.length - 1];\n\n assembly {\n // Decrement length of byte array.\n let newLen := sub(mload(b), 1)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Pops the last 20 bytes off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The 20 byte address that was popped off.\n function popLast20Bytes(bytes memory b)\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= 20,\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Store last 20 bytes.\n result = readAddress(b, b.length - 20);\n\n assembly {\n // Subtract 20 from byte array length.\n let newLen := sub(mload(b), 20)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Tests equality of two byte arrays.\n /// @param lhs First byte array to compare.\n /// @param rhs Second byte array to compare.\n /// @return True if arrays are the same. False otherwise.\n function equals(\n bytes memory lhs,\n bytes memory rhs\n )\n internal\n pure\n returns (bool equal)\n {\n // Keccak gas cost is 30 + numWords * 6. This is a cheap way to compare.\n // We early exit on unequal lengths, but keccak would also correctly\n // handle this.\n return lhs.length == rhs.length && keccak256(lhs) == keccak256(rhs);\n }\n\n /// @dev Reads an address from a position in a byte array.\n /// @param b Byte array containing an address.\n /// @param index Index in byte array of address.\n /// @return address from byte array.\n function readAddress(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Read address from array memory\n assembly {\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 20-byte mask to obtain address\n result := and(mload(add(b, index)), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n return result;\n }\n\n /// @dev Writes an address into a specific position in a byte array.\n /// @param b Byte array to insert address into.\n /// @param index Index in byte array of address.\n /// @param input Address to put into byte array.\n function writeAddress(\n bytes memory b,\n uint256 index,\n address input\n )\n internal\n pure\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Store address into array memory\n assembly {\n // The address occupies 20 bytes and mstore stores 32 bytes.\n // First fetch the 32-byte word where we'll be storing the address, then\n // apply a mask so we have only the bytes in the word that the address will not occupy.\n // Then combine these bytes with the address and store the 32 bytes back to memory with mstore.\n\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 12-byte mask to obtain extra bytes occupying word of memory where we'll store the address\n let neighbors := and(\n mload(add(b, index)),\n 0xffffffffffffffffffffffff0000000000000000000000000000000000000000\n )\n \n // Make sure input address is clean.\n // (Solidity does not guarantee this)\n input := and(input, 0xffffffffffffffffffffffffffffffffffffffff)\n\n // Store the neighbors and address into memory\n mstore(add(b, index), xor(input, neighbors))\n }\n }\n\n /// @dev Reads a bytes32 value from a position in a byte array.\n /// @param b Byte array containing a bytes32 value.\n /// @param index Index in byte array of bytes32 value.\n /// @return bytes32 value from byte array.\n function readBytes32(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes32 result)\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n result := mload(add(b, index))\n }\n return result;\n }\n\n /// @dev Writes a bytes32 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes32 to put into byte array.\n function writeBytes32(\n bytes memory b,\n uint256 index,\n bytes32 input\n )\n internal\n pure\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n mstore(add(b, index), input)\n }\n }\n\n /// @dev Reads a uint256 value from a position in a byte array.\n /// @param b Byte array containing a uint256 value.\n /// @param index Index in byte array of uint256 value.\n /// @return uint256 value from byte array.\n function readUint256(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (uint256 result)\n {\n return uint256(readBytes32(b, index));\n }\n\n /// @dev Writes a uint256 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input uint256 to put into byte array.\n function writeUint256(\n bytes memory b,\n uint256 index,\n uint256 input\n )\n internal\n pure\n {\n writeBytes32(b, index, bytes32(input));\n }\n\n /// @dev Reads an unpadded bytes4 value from a position in a byte array.\n /// @param b Byte array containing a bytes4 value.\n /// @param index Index in byte array of bytes4 value.\n /// @return bytes4 value from byte array.\n function readBytes4(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes4 result)\n {\n require(\n b.length >= index + 4,\n \"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED\"\n );\n assembly {\n result := mload(add(b, 32))\n // Solidity does not require us to clean the trailing bytes.\n // We do it anyway\n result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)\n }\n return result;\n }\n\n /// @dev Reads nested bytes from a specific position.\n /// @dev NOTE: the returned value overlaps with the input value.\n /// Both should be treated as immutable.\n /// @param b Byte array containing nested bytes.\n /// @param index Index of nested bytes.\n /// @return result Nested bytes.\n function readBytesWithLength(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes memory result)\n {\n // Read length of nested bytes\n uint256 nestedBytesLength = readUint256(b, index);\n index += 32;\n\n // Assert length of is valid, given\n // length of nested bytes\n require(\n b.length >= index + nestedBytesLength,\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n \n // Return a pointer to the byte array as it exists inside `b`\n assembly {\n result := add(b, index)\n }\n return result;\n }\n\n /// @dev Inserts bytes at a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes to insert.\n function writeBytesWithLength(\n bytes memory b,\n uint256 index,\n bytes memory input\n )\n internal\n pure\n {\n // Assert length of is valid, given\n // length of input\n require(\n b.length >= index + 32 + input.length, // 32 bytes to store length\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n\n // Copy into \n memCopy(\n b.contentAddress() + index,\n input.rawAddress(), // includes length of \n input.length + 32 // +32 bytes to store length\n );\n }\n\n /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length.\n /// @param dest Byte array that will be overwritten with source bytes.\n /// @param source Byte array to copy onto dest bytes.\n function deepCopyBytes(\n bytes memory dest,\n bytes memory source\n )\n internal\n pure\n {\n uint256 sourceLen = source.length;\n // Dest length must be >= source length, or some bytes would not be copied.\n require(\n dest.length >= sourceLen,\n \"GREATER_OR_EQUAL_TO_SOURCE_BYTES_LENGTH_REQUIRED\"\n );\n memCopy(\n dest.contentAddress(),\n source.contentAddress(),\n sourceLen\n );\n }\n}\n", - "2.0.0/utils/Ownable/IOwnable.sol": "pragma solidity 0.4.24;\n\n/*\n * Ownable\n *\n * Base contract with an owner.\n * Provides onlyOwner modifier, which prevents function from running if it is called by anyone other than the owner.\n */\n\ncontract IOwnable {\n function transferOwnership(address newOwner)\n public;\n}\n", - "2.0.0/utils/Ownable/Ownable.sol": "pragma solidity 0.4.24;\n\n/*\n * Ownable\n *\n * Base contract with an owner.\n * Provides onlyOwner modifier, which prevents function from running if it is called by anyone other than the owner.\n */\n\nimport \"./IOwnable.sol\";\n\n\ncontract Ownable is IOwnable {\n address public owner;\n\n constructor ()\n public\n {\n owner = msg.sender;\n }\n\n modifier onlyOwner() {\n require(\n msg.sender == owner,\n \"ONLY_CONTRACT_OWNER\"\n );\n _;\n }\n\n function transferOwnership(address newOwner)\n public\n onlyOwner\n {\n if (newOwner != address(0)) {\n owner = newOwner;\n }\n }\n}\n", - "2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n function safeMul(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(\n c / a == b,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function safeDiv(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a / b;\n return c;\n }\n\n function safeSub(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n require(\n b <= a,\n \"UINT256_UNDERFLOW\"\n );\n return a - b;\n }\n\n function safeAdd(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a + b;\n require(\n c >= a,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function max64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n\n function max256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n}\n" - }, - "sourceTreeHashHex": "0x560b257f8a4e1420a4586d5ba0c40e74042ef5af0f53aad412951444ea710a7e", - "compiler": { - "name": "solc", - "version": "soljson-v0.4.24+commit.e67f0147.js", - "settings": { - "optimizer": { - "enabled": true, - "runs": 1000000 - }, - "outputSelection": { - "*": { - "*": [ - "abi", - "evm.bytecode.object", - "evm.bytecode.sourceMap", - "evm.deployedBytecode.object", - "evm.deployedBytecode.sourceMap" - ] - } - } - } - }, - "networks": {} -} \ No newline at end of file diff --git a/packages/migrations/artifacts/2.0.0-mainnet/IWallet.json b/packages/migrations/artifacts/2.0.0-mainnet/IWallet.json deleted file mode 100644 index df892d360..000000000 --- a/packages/migrations/artifacts/2.0.0-mainnet/IWallet.json +++ /dev/null @@ -1,316 +0,0 @@ -{ - "schemaVersion": "2.0.0", - "contractName": "IWallet", - "compilerOutput": { - "abi": [ - { - "constant": true, - "inputs": [ - { - "name": "hash", - "type": "bytes32" - }, - { - "name": "signature", - "type": "bytes" - } - ], - "name": "isValidSignature", - "outputs": [ - { - "name": "isValid", - "type": "bool" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - } - ], - "evm": { - "bytecode": { - "linkReferences": {}, - "object": "0x", - "opcodes": "", - "sourceMap": "" - }, - "deployedBytecode": { - "linkReferences": {}, - "object": "0x", - "opcodes": "", - "sourceMap": "" - } - } - }, - "sources": { - "2.0.0/extensions/Forwarder/Forwarder.sol": { - "id": 0 - }, - "2.0.0/extensions/Forwarder/MixinAssets.sol": { - "id": 1 - }, - "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": { - "id": 2 - }, - "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": { - "id": 3 - }, - "2.0.0/extensions/Forwarder/MixinWeth.sol": { - "id": 4 - }, - "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": { - "id": 5 - }, - "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": { - "id": 6 - }, - "2.0.0/extensions/Forwarder/libs/LibConstants.sol": { - "id": 7 - }, - "2.0.0/extensions/Forwarder/mixins/MAssets.sol": { - "id": 8 - }, - "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": { - "id": 9 - }, - "2.0.0/extensions/Forwarder/mixins/MWeth.sol": { - "id": 10 - }, - "2.0.0/extensions/OrderValidator/OrderValidator.sol": { - "id": 11 - }, - "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": { - "id": 12 - }, - "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": { - "id": 13 - }, - "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": { - "id": 14 - }, - "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": { - "id": 15 - }, - "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": { - "id": 16 - }, - "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": { - "id": 17 - }, - "2.0.0/protocol/Exchange/Exchange.sol": { - "id": 18 - }, - "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": { - "id": 19 - }, - "2.0.0/protocol/Exchange/MixinExchangeCore.sol": { - "id": 20 - }, - "2.0.0/protocol/Exchange/MixinMatchOrders.sol": { - "id": 21 - }, - "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": { - "id": 22 - }, - "2.0.0/protocol/Exchange/MixinTransactions.sol": { - "id": 23 - }, - "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": { - "id": 24 - }, - "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": { - "id": 25 - }, - "2.0.0/protocol/Exchange/interfaces/IExchange.sol": { - "id": 26 - }, - "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": { - "id": 27 - }, - "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": { - "id": 28 - }, - "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": { - "id": 29 - }, - "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": { - "id": 30 - }, - "2.0.0/protocol/Exchange/interfaces/IValidator.sol": { - "id": 31 - }, - "2.0.0/protocol/Exchange/interfaces/IWallet.sol": { - "id": 32 - }, - "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": { - "id": 33 - }, - "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": { - "id": 34 - }, - "2.0.0/protocol/Exchange/libs/LibConstants.sol": { - "id": 35 - }, - "2.0.0/protocol/Exchange/libs/LibEIP712.sol": { - "id": 36 - }, - "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": { - "id": 37 - }, - "2.0.0/protocol/Exchange/libs/LibFillResults.sol": { - "id": 38 - }, - "2.0.0/protocol/Exchange/libs/LibMath.sol": { - "id": 39 - }, - "2.0.0/protocol/Exchange/libs/LibOrder.sol": { - "id": 40 - }, - "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": { - "id": 41 - }, - "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": { - "id": 42 - }, - "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": { - "id": 43 - }, - "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": { - "id": 44 - }, - "2.0.0/protocol/Exchange/mixins/MTransactions.sol": { - "id": 45 - }, - "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": { - "id": 46 - }, - "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": { - "id": 47 - }, - "2.0.0/tokens/ERC20Token/ERC20Token.sol": { - "id": 48 - }, - "2.0.0/tokens/ERC20Token/IERC20Token.sol": { - "id": 49 - }, - "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": { - "id": 50 - }, - "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": { - "id": 51 - }, - "2.0.0/tokens/ERC721Token/ERC721Token.sol": { - "id": 52 - }, - "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": { - "id": 53 - }, - "2.0.0/tokens/ERC721Token/IERC721Token.sol": { - "id": 54 - }, - "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": { - "id": 55 - }, - "2.0.0/tokens/EtherToken/IEtherToken.sol": { - "id": 56 - }, - "2.0.0/utils/LibBytes/LibBytes.sol": { - "id": 57 - }, - "2.0.0/utils/Ownable/IOwnable.sol": { - "id": 58 - }, - "2.0.0/utils/Ownable/Ownable.sol": { - "id": 59 - }, - "2.0.0/utils/SafeMath/SafeMath.sol": { - "id": 60 - } - }, - "sourceCodes": { - "2.0.0/extensions/Forwarder/Forwarder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinWeth.sol\";\nimport \"./MixinForwarderCore.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinAssets.sol\";\nimport \"./MixinExchangeWrapper.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Forwarder is\n LibConstants,\n MixinWeth,\n MixinAssets,\n MixinExchangeWrapper,\n MixinForwarderCore\n{\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n LibConstants(\n _exchange,\n _zrxAssetData,\n _wethAssetData\n )\n MixinForwarderCore()\n {}\n}\n", - "2.0.0/extensions/Forwarder/MixinAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MAssets.sol\";\n\n\ncontract MixinAssets is\n Ownable,\n LibConstants,\n MAssets\n{\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256(\"transfer(address,uint256)\"));\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external\n onlyOwner\n {\n transferAssetToSender(assetData, amount);\n }\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n bytes4 proxyId = assetData.readBytes4(0);\n\n if (proxyId == ERC20_DATA_ID) {\n transferERC20Token(assetData, amount);\n } else if (proxyId == ERC721_DATA_ID) {\n transferERC721Token(assetData, amount);\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n }\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n address token = assetData.readAddress(16);\n\n // Transfer tokens.\n // We do a raw call so we can check the success separate\n // from the return data.\n bool success = token.call(abi.encodeWithSelector(\n ERC20_TRANSFER_SELECTOR,\n msg.sender,\n amount\n ));\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n \n // Check return data.\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // value that evaluates to true.\n assembly {\n if returndatasize {\n success := 0\n if eq(returndatasize, 32) {\n // First 64 bytes of memory are reserved scratch space\n returndatacopy(0, 0, 32)\n success := mload(0)\n }\n }\n }\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n }\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n require(\n amount == 1,\n \"INVALID_AMOUNT\"\n );\n // Decode asset data.\n address token = assetData.readAddress(16);\n uint256 tokenId = assetData.readUint256(36);\n\n // Perform transfer.\n IERC721Token(token).transferFrom(\n address(this),\n msg.sender,\n tokenId\n );\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"../../protocol/Exchange/libs/LibAbiEncoder.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinExchangeWrapper is\n LibAbiEncoder,\n LibFillResults,\n LibMath,\n LibConstants,\n MExchangeWrapper\n{\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n address exchange = address(EXCHANGE);\n\n // Call `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := call(\n gas, // forward all gas, TODO: look into gas consumption of assert/throw\n exchange, // call address of Exchange contract\n 0, // transfer 0 wei\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n switch success\n case 0 {\n mstore(fillResults, 0)\n mstore(add(fillResults, 32), 0)\n mstore(add(fillResults, 64), 0)\n mstore(add(fillResults, 96), 0)\n }\n case 1 {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of WETH to sell\n uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of WETH\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmount(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount;\n if (makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n\n require(\n makerAssetFilledAmount >= makerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n // Do nothing if zrxBuyAmount == 0\n if (zrxBuyAmount == 0) {\n return totalFillResults;\n }\n\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n uint256 zrxPurchased = 0;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // All of these are ZRX/WETH, so we can drop the respective assetData from calldata.\n orders[i].makerAssetData = zrxAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of ZRX to buy.\n uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased);\n\n // Convert the remaining amount of ZRX to buy into remaining amount\n // of WETH to sell, assuming entire amount can be sold in the current order.\n uint256 remainingWethSellAmount = getPartialAmount(\n orders[i].takerAssetAmount,\n safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees \n remainingZrxBuyAmount\n );\n\n // Attempt to sell the remaining amount of WETH.\n FillResults memory singleFillResult = fillOrderNoThrow(\n orders[i],\n safeAdd(remainingWethSellAmount, 1), // we add 1 wei to the fill amount to make up for rounding errors\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker.\n addFillResults(totalFillResults, singleFillResult);\n zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid);\n\n // Stop execution if the entire amount of ZRX has been bought.\n if (zrxPurchased >= zrxBuyAmount) {\n break;\n }\n }\n\n require(\n zrxPurchased >= zrxBuyAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\nimport \"./mixins/MAssets.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"./interfaces/IForwarderCore.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinForwarderCore is\n LibFillResults,\n LibMath,\n LibConstants,\n MWeth,\n MAssets,\n MExchangeWrapper,\n IForwarderCore\n{\n\n using LibBytes for bytes;\n\n /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf.\n constructor ()\n public\n {\n address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID);\n if (proxyAddress != address(0)) {\n ETHER_TOKEN.approve(proxyAddress, MAX_UINT);\n ZRX_TOKEN.approve(proxyAddress, MAX_UINT);\n }\n }\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 wethSellAmount;\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // Calculate amount of WETH that won't be spent on ETH fees.\n wethSellAmount = getPartialAmount(\n PERCENTAGE_DENOMINATOR,\n safeAdd(PERCENTAGE_DENOMINATOR, feePercentage),\n msg.value\n );\n // Market sell available WETH.\n // ZRX fees are paid with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // 5% of WETH is reserved for filling feeOrders and paying feeRecipient.\n wethSellAmount = getPartialAmount(\n MAX_WETH_FILL_PERCENTAGE,\n PERCENTAGE_DENOMINATOR,\n msg.value\n );\n // Market sell 95% of WETH.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // If the makerAsset is ZRX, it is not necessary to pay fees out of this\n // contracts's ZRX balance because fees are factored into the price of the order.\n orderFillResults = marketBuyExactZrxWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // Attemp to purchase desired amount of makerAsset.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketBuyExactAmountWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\n\n\ncontract MixinWeth is\n LibMath,\n LibConstants,\n MWeth\n{\n\n /// @dev Default payabale function, this allows us to withdraw WETH\n function ()\n public\n payable\n {\n require(\n msg.sender == address(ETHER_TOKEN),\n \"DEFAULT_FUNCTION_WETH_CONTRACT_ONLY\"\n );\n }\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal\n {\n require(\n msg.value > 0,\n \"INVALID_MSG_VALUE\"\n );\n ETHER_TOKEN.deposit.value(msg.value)();\n }\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal\n {\n // Ensure feePercentage is less than 5%.\n require(\n feePercentage <= MAX_FEE_PERCENTAGE,\n \"FEE_PERCENTAGE_TOO_LARGE\"\n );\n\n // Ensure that no extra WETH owned by this contract has been sold.\n uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx);\n require(\n wethSold <= msg.value,\n \"OVERSOLD_WETH\"\n );\n\n // Calculate amount of WETH that hasn't been sold.\n uint256 wethRemaining = safeSub(msg.value, wethSold);\n\n // Calculate ETH fee to pay to feeRecipient.\n uint256 ethFee = getPartialAmount(\n feePercentage,\n PERCENTAGE_DENOMINATOR,\n wethSoldExcludingFeeOrders\n );\n\n // Ensure fee is less than amount of WETH remaining.\n require(\n ethFee <= wethRemaining,\n \"INSUFFICIENT_ETH_REMAINING\"\n );\n \n // Do nothing if no WETH remaining\n if (wethRemaining > 0) {\n // Convert remaining WETH to ETH\n ETHER_TOKEN.withdraw(wethRemaining);\n\n // Pay ETH to feeRecipient\n if (ethFee > 0) {\n feeRecipient.transfer(ethFee);\n }\n\n // Refund remaining ETH to msg.sender.\n uint256 ethRefund = safeSub(wethRemaining, ethFee);\n if (ethRefund > 0) {\n msg.sender.transfer(ethRefund);\n }\n }\n }\n}\n", - "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssets {\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external;\n}\n", - "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract IForwarderCore {\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n}\n", - "2.0.0/extensions/Forwarder/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/LibBytes/LibBytes.sol\";\nimport \"../../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../../tokens/EtherToken/IEtherToken.sol\";\nimport \"../../../tokens/ERC20Token/IERC20Token.sol\";\n\n\ncontract LibConstants {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n uint256 constant internal MAX_UINT = 2**256 - 1;\n uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; \n uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5%\n uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95%\n \n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n IEtherToken internal ETHER_TOKEN;\n IERC20Token internal ZRX_TOKEN;\n bytes internal ZRX_ASSET_DATA;\n bytes internal WETH_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n WETH_ASSET_DATA = _wethAssetData;\n\n address etherToken = _wethAssetData.readAddress(16);\n address zrxToken = _zrxAssetData.readAddress(16);\n ETHER_TOKEN = IEtherToken(etherToken);\n ZRX_TOKEN = IERC20Token(zrxToken);\n }\n}\n", - "2.0.0/extensions/Forwarder/mixins/MAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssets.sol\";\n\n\ncontract MAssets is\n IAssets\n{\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n}\n", - "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract MExchangeWrapper {\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n}\n", - "2.0.0/extensions/Forwarder/mixins/MWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract MWeth {\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal;\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal;\n}\n", - "2.0.0/extensions/OrderValidator/OrderValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract OrderValidator {\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n using LibBytes for bytes;\n\n struct TraderInfo {\n uint256 makerBalance; // Maker's balance of makerAsset\n uint256 makerAllowance; // Maker's allowance to corresponding AssetProxy\n uint256 takerBalance; // Taker's balance of takerAsset\n uint256 takerAllowance; // Taker's allowance to corresponding AssetProxy\n uint256 makerZrxBalance; // Maker's balance of ZRX\n uint256 makerZrxAllowance; // Maker's allowance of ZRX to ERC20Proxy\n uint256 takerZrxBalance; // Taker's balance of ZRX\n uint256 takerZrxAllowance; // Taker's allowance of ZRX to ERC20Proxy\n }\n\n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n bytes internal ZRX_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (address _exchange, bytes memory _zrxAssetData)\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n }\n\n /// @dev Fetches information for order and maker/taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return OrderInfo and TraderInfo instances for given order.\n function getOrderAndTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo, TraderInfo memory traderInfo)\n {\n orderInfo = EXCHANGE.getOrderInfo(order);\n traderInfo = getTraderInfo(order, takerAddress);\n return (orderInfo, traderInfo);\n }\n\n /// @dev Fetches information for all passed in orders and the makers/takers of each order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Arrays of OrderInfo and TraderInfo instances that correspond to each order.\n function getOrdersAndTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (LibOrder.OrderInfo[] memory ordersInfo, TraderInfo[] memory tradersInfo)\n {\n ordersInfo = EXCHANGE.getOrdersInfo(orders);\n tradersInfo = getTradersInfo(orders, takerAddresses);\n return (ordersInfo, tradersInfo);\n }\n\n /// @dev Fetches balance and allowances for maker and taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return Balances and allowances of maker and taker of order.\n function getTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (TraderInfo memory traderInfo)\n {\n (traderInfo.makerBalance, traderInfo.makerAllowance) = getBalanceAndAllowance(order.makerAddress, order.makerAssetData);\n (traderInfo.takerBalance, traderInfo.takerAllowance) = getBalanceAndAllowance(takerAddress, order.takerAssetData);\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n (traderInfo.makerZrxBalance, traderInfo.makerZrxAllowance) = getBalanceAndAllowance(order.makerAddress, zrxAssetData);\n (traderInfo.takerZrxBalance, traderInfo.takerZrxAllowance) = getBalanceAndAllowance(takerAddress, zrxAssetData);\n return traderInfo;\n }\n\n /// @dev Fetches balances and allowances of maker and taker for each provided order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Array of balances and allowances for maker and taker of each order.\n function getTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (TraderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n TraderInfo[] memory tradersInfo = new TraderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n tradersInfo[i] = getTraderInfo(orders[i], takerAddresses[i]);\n }\n return tradersInfo;\n }\n\n /// @dev Fetches token balances and allowances of an address to given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Encoded data that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balance of asset and allowance set to given proxy of asset.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalanceAndAllowance(address target, bytes memory assetData)\n public\n view\n returns (uint256 balance, uint256 allowance)\n {\n bytes4 assetProxyId = assetData.readBytes4(0);\n address token = assetData.readAddress(16);\n address assetProxy = EXCHANGE.getAssetProxy(assetProxyId);\n\n if (assetProxyId == ERC20_DATA_ID) {\n // Query balance\n balance = IERC20Token(token).balanceOf(target);\n\n // Query allowance\n allowance = IERC20Token(token).allowance(target, assetProxy);\n } else if (assetProxyId == ERC721_DATA_ID) {\n uint256 tokenId = assetData.readUint256(36);\n\n // Query owner of tokenId\n address owner = getERC721TokenOwner(token, tokenId);\n\n // Set balance to 1 if tokenId is owned by target\n balance = target == owner ? 1 : 0;\n\n // Check if ERC721Proxy is approved to spend tokenId\n bool isApproved = IERC721Token(token).isApprovedForAll(target, assetProxy) || IERC721Token(token).getApproved(tokenId) == assetProxy;\n \n // Set alowance to 1 if ERC721Proxy is approved to spend tokenId\n allowance = isApproved ? 1 : 0;\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n return (balance, allowance);\n }\n\n /// @dev Fetches token balances and allowances of an address for each given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Array of encoded byte arrays that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balances and allowances of assets.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalancesAndAllowances(address target, bytes[] memory assetData)\n public\n view\n returns (uint256[] memory, uint256[] memory)\n {\n uint256 length = assetData.length;\n uint256[] memory balances = new uint256[](length);\n uint256[] memory allowances = new uint256[](length);\n for (uint256 i = 0; i != length; i++) {\n (balances[i], allowances[i]) = getBalanceAndAllowance(target, assetData[i]);\n }\n return (balances, allowances);\n }\n\n /// @dev Calls `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token.\n /// @param token Address of ERC721 token.\n /// @param tokenId The identifier for the specific NFT.\n /// @return Owner of tokenId or null address if unowned.\n function getERC721TokenOwner(address token, uint256 tokenId)\n public\n view\n returns (address owner)\n {\n assembly {\n // load free memory pointer\n let cdStart := mload(64)\n\n // bytes4(keccak256(ownerOf(uint256))) = 0x6352211e\n mstore(cdStart, 0x6352211e00000000000000000000000000000000000000000000000000000000)\n mstore(add(cdStart, 4), tokenId)\n\n // staticcall `ownerOf(tokenId)`\n // `ownerOf` will revert if tokenId is not owned\n let success := staticcall(\n gas, // forward all gas\n token, // call token contract\n cdStart, // start of calldata\n 36, // length of input is 36 bytes\n cdStart, // write output over input\n 32 // size of output is 32 bytes\n )\n\n // Success implies that tokenId is owned\n // Copy owner from return data if successful\n if success {\n owner := mload(cdStart)\n } \n }\n\n // Owner initialized to address(0), no need to modify if call is unsuccessful\n return owner;\n }\n}\n", - "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC20Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n \n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n \n /////// Token contract address ///////\n // The token address is found as follows:\n // * It is stored at offset 4 in `assetData` contents.\n // * This is stored at offset 32 from `assetData`.\n // * The offset to `assetData` from Params is stored at offset\n // 4 in calldata.\n // * The offset of Params in calldata is 4.\n // So we read location 4 and add 32 + 4 + 4 to it.\n let token := calldataload(add(calldataload(4), 40))\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from`, `to` and `amount` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 96)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output over input\n 32 // output size should be 32 bytes\n )\n\n /////// Check return data. ///////\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // nonzero 32 bytes value.\n // So the transfer succeeded if the call succeeded and either\n // returned nothing, or returned a non-zero 32 byte value. \n success := and(success, or(\n iszero(returndatasize),\n and(\n eq(returndatasize, 32),\n gt(mload(0), 0)\n )\n ))\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", - "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC721Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 2 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n // | | 36 | | 2. tokenId |\n \n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. tokenId |\n\n // There exists only 1 of each token.\n // require(amount == 1, \"INVALID_AMOUNT\")\n if sub(calldataload(100), 1) {\n // Revert with `Error(\"INVALID_AMOUNT\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from` and `to` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 64)\n\n // Copy `tokenId` field from our own calldata to the new calldata.\n let assetDataOffset := calldataload(4)\n calldatacopy(68, add(assetDataOffset, 72), 32)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let token := calldataload(add(assetDataOffset, 40))\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output to null\n 0 // output size is 0 bytes\n )\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", - "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAuthorizable.sol\";\n\n\ncontract MixinAuthorizable is\n Ownable,\n MAuthorizable\n{\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized {\n require(\n authorized[msg.sender],\n \"SENDER_NOT_AUTHORIZED\"\n );\n _;\n }\n\n mapping (address => bool) public authorized;\n address[] public authorities;\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n !authorized[target],\n \"TARGET_ALREADY_AUTHORIZED\"\n );\n\n authorized[target] = true;\n authorities.push(target);\n emit AuthorizedAddressAdded(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n\n delete authorized[target];\n for (uint256 i = 0; i < authorities.length; i++) {\n if (authorities[i] == target) {\n authorities[i] = authorities[authorities.length - 1];\n authorities.length -= 1;\n break;\n }\n }\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n require(\n index < authorities.length,\n \"INDEX_OUT_OF_BOUNDS\"\n );\n require(\n authorities[index] == target,\n \"AUTHORIZED_ADDRESS_MISMATCH\"\n );\n\n delete authorized[target];\n authorities[index] = authorities[authorities.length - 1];\n authorities.length -= 1;\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory)\n {\n return authorities;\n }\n}\n", - "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IAuthorizable.sol\";\n\n\ncontract IAssetProxy is\n IAuthorizable\n{\n\n /// @dev Transfers assets. Either succeeds or throws.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n function transferFrom(\n bytes assetData,\n address from,\n address to,\n uint256 amount\n )\n external;\n \n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4);\n}\n", - "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/Ownable/IOwnable.sol\";\n\n\ncontract IAuthorizable is\n IOwnable\n{\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external;\n \n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory);\n}\n", - "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAuthorizable.sol\";\n\n\ncontract MAuthorizable is\n IAuthorizable\n{\n\n // Event logged when a new address is authorized.\n event AuthorizedAddressAdded(\n address indexed target,\n address indexed caller\n );\n\n // Event logged when a currently authorized address is unauthorized.\n event AuthorizedAddressRemoved(\n address indexed target,\n address indexed caller\n );\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized { revert(); _; }\n}\n", - "2.0.0/protocol/Exchange/Exchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinExchangeCore.sol\";\nimport \"./MixinSignatureValidator.sol\";\nimport \"./MixinWrapperFunctions.sol\";\nimport \"./MixinAssetProxyDispatcher.sol\";\nimport \"./MixinTransactions.sol\";\nimport \"./MixinMatchOrders.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Exchange is\n MixinExchangeCore,\n MixinMatchOrders,\n MixinSignatureValidator,\n MixinTransactions,\n MixinAssetProxyDispatcher,\n MixinWrapperFunctions\n{\n\n string constant public VERSION = \"2.0.1-alpha\";\n\n // Mixins are instantiated in the order they are inherited\n constructor (bytes memory _zrxAssetData)\n public\n LibConstants(_zrxAssetData) // @TODO: Remove when we deploy.\n MixinExchangeCore()\n MixinMatchOrders()\n MixinSignatureValidator()\n MixinTransactions()\n MixinAssetProxyDispatcher()\n MixinWrapperFunctions()\n {}\n}\n", - "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\nimport \"../AssetProxy/interfaces/IAssetProxy.sol\";\n\n\ncontract MixinAssetProxyDispatcher is\n Ownable,\n MAssetProxyDispatcher\n{\n using LibBytes for bytes;\n \n // Mapping from Asset Proxy Id's to their respective Asset Proxy\n mapping (bytes4 => IAssetProxy) public assetProxies;\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external\n onlyOwner\n {\n IAssetProxy assetProxyContract = IAssetProxy(assetProxy);\n\n // Ensure that no asset proxy exists with current id.\n bytes4 assetProxyId = assetProxyContract.getProxyId();\n address currentAssetProxy = assetProxies[assetProxyId];\n require(\n currentAssetProxy == address(0),\n \"ASSET_PROXY_ALREADY_EXISTS\"\n );\n\n // Add asset proxy and log registration.\n assetProxies[assetProxyId] = assetProxyContract;\n emit AssetProxyRegistered(\n assetProxyId,\n assetProxy\n );\n }\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address)\n {\n return assetProxies[assetProxyId];\n }\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal\n {\n // Do nothing if no amount should be transferred.\n if (amount > 0) {\n // Ensure assetData length is valid\n require(\n assetData.length > 3,\n \"LENGTH_GREATER_THAN_3_REQUIRED\"\n );\n \n // Lookup assetProxy\n bytes4 assetProxyId;\n assembly {\n assetProxyId := and(mload(\n add(assetData, 32)),\n 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000\n )\n }\n address assetProxy = assetProxies[assetProxyId];\n\n // Ensure that assetProxy exists\n require(\n assetProxy != address(0),\n \"ASSET_PROXY_DOES_NOT_EXIST\"\n );\n \n // We construct calldata for the `assetProxy.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n\n assembly {\n /////// Setup State ///////\n // `cdStart` is the start of the calldata for `assetProxy.transferFrom` (equal to free memory ptr).\n let cdStart := mload(64)\n // `dataAreaLength` is the total number of words needed to store `assetData`\n // As-per the ABI spec, this value is padded up to the nearest multiple of 32,\n // and includes 32-bytes for length.\n let dataAreaLength := and(add(mload(assetData), 63), 0xFFFFFFFFFFFE0)\n // `cdEnd` is the end of the calldata for `assetProxy.transferFrom`.\n let cdEnd := add(cdStart, add(132, dataAreaLength))\n\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFromSelector`.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes.\n // Notes:\n // 1. The offset to `assetData` is the length of the Params Area (128 bytes).\n // 2. A 20-byte mask is applied to addresses to zero-out the unused bytes.\n mstore(add(cdStart, 4), 128)\n mstore(add(cdStart, 36), and(from, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 68), and(to, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 100), amount)\n \n /////// Setup Data Area ///////\n // This area holds `assetData`.\n let dataArea := add(cdStart, 132)\n // solhint-disable-next-line no-empty-blocks\n for {} lt(dataArea, cdEnd) {} {\n mstore(dataArea, mload(assetData))\n dataArea := add(dataArea, 32)\n assetData := add(assetData, 32)\n }\n\n /////// Call `assetProxy.transferFrom` using the constructed calldata ///////\n let success := call(\n gas, // forward all gas\n assetProxy, // call address of asset proxy\n 0, // don't send any ETH\n cdStart, // pointer to start of input\n sub(cdEnd, cdStart), // length of input \n cdStart, // write output over input\n 512 // reserve 512 bytes for output\n )\n if iszero(success) {\n revert(cdStart, returndatasize())\n }\n }\n }\n }\n}\n", - "2.0.0/protocol/Exchange/MixinExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinExchangeCore is\n LibConstants,\n LibMath,\n LibOrder,\n LibFillResults,\n MAssetProxyDispatcher,\n MExchangeCore,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of orderHash => amount of takerAsset already bought by maker\n mapping (bytes32 => uint256) public filled;\n\n // Mapping of orderHash => cancelled\n mapping (bytes32 => bool) public cancelled;\n\n // Mapping of makerAddress => senderAddress => lowest salt an order can have in order to be fillable\n // Orders with specified senderAddress and with a salt less than their epoch are considered cancelled\n mapping (address => mapping (address => uint256)) public orderEpoch;\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external\n {\n address makerAddress = getCurrentContextAddress();\n // If this function is called via `executeTransaction`, we only update the orderEpoch for the makerAddress/msg.sender combination.\n // This allows external filter contracts to add rules to how orders are cancelled via this function.\n address senderAddress = makerAddress == msg.sender ? address(0) : msg.sender;\n\n // orderEpoch is initialized to 0, so to cancelUpTo we need salt + 1\n uint256 newOrderEpoch = targetOrderEpoch + 1; \n uint256 oldOrderEpoch = orderEpoch[makerAddress][senderAddress];\n\n // Ensure orderEpoch is monotonically increasing\n require(\n newOrderEpoch > oldOrderEpoch, \n \"INVALID_NEW_ORDER_EPOCH\"\n );\n\n // Update orderEpoch\n orderEpoch[makerAddress][senderAddress] = newOrderEpoch;\n emit CancelUpTo(makerAddress, senderAddress, newOrderEpoch);\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // Fetch order info\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n\n // Get amount of takerAsset to fill\n uint256 remainingTakerAssetAmount = safeSub(order.takerAssetAmount, orderInfo.orderTakerAssetFilledAmount);\n uint256 takerAssetFilledAmount = min256(takerAssetFillAmount, remainingTakerAssetAmount);\n\n // Validate context\n assertValidFill(\n order,\n orderInfo,\n takerAddress,\n takerAssetFillAmount,\n takerAssetFilledAmount,\n signature\n );\n\n // Compute proportional fill amounts\n fillResults = calculateFillResults(order, takerAssetFilledAmount);\n\n // Update exchange internal state\n updateFilledState(\n order,\n takerAddress,\n orderInfo.orderHash,\n orderInfo.orderTakerAssetFilledAmount,\n fillResults\n );\n \n // Settle order\n settleOrder(order, takerAddress, fillResults);\n\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrder(Order memory order)\n public\n {\n // Fetch current order status\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Validate context\n assertValidCancel(order, orderInfo);\n\n // Perform cancel\n updateCancelledState(order, orderInfo.orderHash);\n }\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(Order memory order)\n public\n view\n returns (OrderInfo memory orderInfo)\n {\n // Compute the order hash\n orderInfo.orderHash = getOrderHash(order);\n\n // Fetch filled amount\n orderInfo.orderTakerAssetFilledAmount = filled[orderInfo.orderHash];\n\n // If order.makerAssetAmount is zero, we also reject the order.\n // While the Exchange contract handles them correctly, they create\n // edge cases in the supporting infrastructure because they have\n // an 'infinite' price when computed by a simple division.\n if (order.makerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_MAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // If order.takerAssetAmount is zero, then the order will always\n // be considered filled because 0 == takerAssetAmount == orderTakerAssetFilledAmount\n // Instead of distinguishing between unfilled and filled zero taker\n // amount orders, we choose not to support them.\n if (order.takerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_TAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // Validate order availability\n if (orderInfo.orderTakerAssetFilledAmount >= order.takerAssetAmount) {\n orderInfo.orderStatus = uint8(OrderStatus.FULLY_FILLED);\n return orderInfo;\n }\n\n // Validate order expiration\n // solhint-disable-next-line not-rely-on-time\n if (block.timestamp >= order.expirationTimeSeconds) {\n orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);\n return orderInfo;\n }\n\n // Check if order has been cancelled\n if (cancelled[orderInfo.orderHash]) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n if (orderEpoch[order.makerAddress][order.senderAddress] > order.salt) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n\n // All other statuses are ruled out: order is Fillable\n orderInfo.orderStatus = uint8(OrderStatus.FILLABLE);\n return orderInfo;\n }\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n function updateFilledState(\n Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n FillResults memory fillResults\n )\n internal\n {\n // Update state\n filled[orderHash] = safeAdd(orderTakerAssetFilledAmount, fillResults.takerAssetFilledAmount);\n\n // Log order\n emit Fill(\n order.makerAddress,\n order.feeRecipientAddress,\n takerAddress,\n msg.sender,\n fillResults.makerAssetFilledAmount,\n fillResults.takerAssetFilledAmount,\n fillResults.makerFeePaid,\n fillResults.takerFeePaid,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n Order memory order,\n bytes32 orderHash\n )\n internal\n {\n // Perform cancel\n cancelled[orderHash] = true;\n\n // Log cancel\n emit Cancel(\n order.makerAddress,\n order.feeRecipientAddress,\n msg.sender,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param signature Proof that the orders was created by its maker.\n function assertValidFill(\n Order memory order,\n OrderInfo memory orderInfo,\n address takerAddress,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n bytes memory signature\n )\n internal\n view\n {\n // An order can only be filled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Revert if fill amount is invalid\n require(\n takerAssetFillAmount != 0,\n \"INVALID_TAKER_AMOUNT\"\n );\n\n // Validate sender is allowed to fill this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate taker is allowed to fill this order\n if (order.takerAddress != address(0)) {\n require(\n order.takerAddress == takerAddress,\n \"INVALID_TAKER\"\n );\n }\n\n // Validate Maker signature (check only if first time seen)\n if (orderInfo.orderTakerAssetFilledAmount == 0) {\n require(\n isValidSignature(\n orderInfo.orderHash,\n order.makerAddress,\n signature\n ),\n \"INVALID_ORDER_SIGNATURE\"\n );\n }\n\n // Validate fill order rounding\n require(\n !isRoundingError(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n ),\n \"ROUNDING_ERROR\"\n );\n }\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n Order memory order,\n OrderInfo memory orderInfo\n )\n internal\n view\n {\n // Ensure order is valid\n // An order can only be cancelled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Validate sender is allowed to cancel this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate transaction signed by maker\n address makerAddress = getCurrentContextAddress();\n require(\n order.makerAddress == makerAddress,\n \"INVALID_MAKER\"\n );\n }\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (FillResults memory fillResults)\n {\n // Compute proportional transfer amounts\n fillResults.takerAssetFilledAmount = takerAssetFilledAmount;\n fillResults.makerAssetFilledAmount = getPartialAmount(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n );\n fillResults.makerFeePaid = getPartialAmount(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerFee\n );\n fillResults.takerFeePaid = getPartialAmount(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.takerFee\n );\n\n return fillResults;\n }\n\n /// @dev Settles an order by transferring assets between counterparties.\n /// @param order Order struct containing order specifications.\n /// @param takerAddress Address selling takerAsset and buying makerAsset.\n /// @param fillResults Amounts to be filled and fees paid by maker and taker.\n function settleOrder(\n LibOrder.Order memory order,\n address takerAddress,\n LibFillResults.FillResults memory fillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n dispatchTransferFrom(\n order.makerAssetData,\n order.makerAddress,\n takerAddress,\n fillResults.makerAssetFilledAmount\n );\n dispatchTransferFrom(\n order.takerAssetData,\n takerAddress,\n order.makerAddress,\n fillResults.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n zrxAssetData,\n order.makerAddress,\n order.feeRecipientAddress,\n fillResults.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n order.feeRecipientAddress,\n fillResults.takerFeePaid\n );\n }\n}\n", - "2.0.0/protocol/Exchange/MixinMatchOrders.sol": "/*\n Copyright 2018 ZeroEx Intl.\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n http://www.apache.org/licenses/LICENSE-2.0\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MMatchOrders.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinMatchOrders is\n LibConstants,\n LibMath,\n MAssetProxyDispatcher,\n MExchangeCore,\n MMatchOrders,\n MTransactions\n{\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We assume that rightOrder.takerAssetData == leftOrder.makerAssetData and rightOrder.makerAssetData == leftOrder.takerAssetData.\n // If this assumption isn't true, the match will fail at signature validation.\n rightOrder.makerAssetData = leftOrder.takerAssetData;\n rightOrder.takerAssetData = leftOrder.makerAssetData;\n\n // Get left & right order info\n LibOrder.OrderInfo memory leftOrderInfo = getOrderInfo(leftOrder);\n LibOrder.OrderInfo memory rightOrderInfo = getOrderInfo(rightOrder);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n\n // Either our context is valid or we revert\n assertValidMatch(leftOrder, rightOrder);\n\n // Compute proportional fill amounts\n matchedFillResults = calculateMatchedFillResults(\n leftOrder,\n rightOrder,\n leftOrderInfo.orderTakerAssetFilledAmount,\n rightOrderInfo.orderTakerAssetFilledAmount\n );\n\n // Validate fill contexts\n assertValidFill(\n leftOrder,\n leftOrderInfo,\n takerAddress,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.takerAssetFilledAmount,\n leftSignature\n );\n assertValidFill(\n rightOrder,\n rightOrderInfo,\n takerAddress,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount,\n rightSignature\n );\n\n // Update exchange state\n updateFilledState(\n leftOrder,\n takerAddress,\n leftOrderInfo.orderHash,\n leftOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.left\n );\n updateFilledState(\n rightOrder,\n takerAddress,\n rightOrderInfo.orderHash,\n rightOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.right\n );\n \n // Settle matched orders. Succeeds or throws.\n settleMatchedOrders(\n leftOrder,\n rightOrder,\n takerAddress,\n matchedFillResults\n );\n\n return matchedFillResults;\n }\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure\n {\n // Make sure there is a profitable spread.\n // There is a profitable spread iff the cost per unit bought (OrderA.MakerAmount/OrderA.TakerAmount) for each order is greater\n // than the profit per unit sold of the matched order (OrderB.TakerAmount/OrderB.MakerAmount).\n // This is satisfied by the equations below:\n // / >= / \n // AND\n // / >= / \n // These equations can be combined to get the following:\n require(\n safeMul(leftOrder.makerAssetAmount, rightOrder.makerAssetAmount) >=\n safeMul(leftOrder.takerAssetAmount, rightOrder.takerAssetAmount),\n \"NEGATIVE_SPREAD_REQUIRED\"\n );\n }\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We settle orders at the exchange rate of the right order.\n // The amount saved by the left maker goes to the taker.\n // Either the left or right order will be fully filled; possibly both.\n // The left order is fully filled iff the right order can sell more than left can buy.\n // That is: the amount required to fill the left order is less than or equal to\n // the amount we can spend from the right order:\n // <= * \n // <= * / \n // * <= * \n uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);\n uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);\n uint256 leftTakerAssetFilledAmount;\n uint256 rightTakerAssetFilledAmount;\n if (\n safeMul(leftTakerAssetAmountRemaining, rightOrder.takerAssetAmount) <=\n safeMul(rightTakerAssetAmountRemaining, rightOrder.makerAssetAmount)\n ) {\n // Left order will be fully filled: maximally fill left\n leftTakerAssetFilledAmount = leftTakerAssetAmountRemaining;\n\n // The right order receives an amount proportional to how much was spent.\n rightTakerAssetFilledAmount = getPartialAmount(\n rightOrder.takerAssetAmount,\n rightOrder.makerAssetAmount,\n leftTakerAssetFilledAmount\n );\n } else {\n // Right order will be fully filled: maximally fill right\n rightTakerAssetFilledAmount = rightTakerAssetAmountRemaining;\n\n // The left order receives an amount proportional to how much was spent.\n leftTakerAssetFilledAmount = getPartialAmount(\n rightOrder.makerAssetAmount,\n rightOrder.takerAssetAmount,\n rightTakerAssetFilledAmount\n );\n }\n\n // Calculate fill results for left order\n matchedFillResults.left = calculateFillResults(\n leftOrder,\n leftTakerAssetFilledAmount\n );\n\n // Calculate fill results for right order\n matchedFillResults.right = calculateFillResults(\n rightOrder,\n rightTakerAssetFilledAmount\n );\n\n // Calculate amount given to taker\n matchedFillResults.leftMakerAssetSpreadAmount = safeSub(\n matchedFillResults.left.makerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount\n );\n\n // Return fill results\n return matchedFillResults;\n }\n\n /// @dev Settles matched order by transferring appropriate funds between order makers, taker, and fee recipient.\n /// @param leftOrder First matched order.\n /// @param rightOrder Second matched order.\n /// @param takerAddress Address that matched the orders. The taker receives the spread between orders as profit.\n /// @param matchedFillResults Struct holding amounts to transfer between makers, taker, and fee recipients.\n function settleMatchedOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n address takerAddress,\n LibFillResults.MatchedFillResults memory matchedFillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n // Order makers and taker\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n rightOrder.makerAddress,\n matchedFillResults.right.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n rightOrder.makerAssetData,\n rightOrder.makerAddress,\n leftOrder.makerAddress,\n matchedFillResults.left.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n takerAddress,\n matchedFillResults.leftMakerAssetSpreadAmount\n );\n\n // Maker fees\n dispatchTransferFrom(\n zrxAssetData,\n leftOrder.makerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n rightOrder.makerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.makerFeePaid\n );\n\n // Taker fees\n if (leftOrder.feeRecipientAddress == rightOrder.feeRecipientAddress) {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n safeAdd(\n matchedFillResults.left.takerFeePaid,\n matchedFillResults.right.takerFeePaid\n )\n );\n } else {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.takerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.takerFeePaid\n );\n }\n }\n}\n", - "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./interfaces/IWallet.sol\";\nimport \"./interfaces/IValidator.sol\";\n\n\ncontract MixinSignatureValidator is\n MSignatureValidator,\n MTransactions\n{\n using LibBytes for bytes;\n \n // Mapping of hash => signer => signed\n mapping (bytes32 => mapping (address => bool)) public preSigned;\n\n // Mapping of signer => validator => approved\n mapping (address => mapping (address => bool)) public allowedValidators;\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n {\n require(\n isValidSignature(\n hash,\n signerAddress,\n signature\n ),\n \"INVALID_SIGNATURE\"\n );\n preSigned[hash][signerAddress] = true;\n }\n\n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external\n {\n address signerAddress = getCurrentContextAddress();\n allowedValidators[signerAddress][validatorAddress] = approval;\n emit SignatureValidatorApproval(\n signerAddress,\n validatorAddress,\n approval\n );\n }\n\n /// @dev Verifies that a hash has been signed by the given signer.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid)\n {\n require(\n signature.length > 0,\n \"LENGTH_GREATER_THAN_0_REQUIRED\"\n );\n\n // Pop last byte off of signature byte array.\n uint8 signatureTypeRaw = uint8(signature.popLastByte());\n\n // Ensure signature is supported\n require(\n signatureTypeRaw < uint8(SignatureType.NSignatureTypes),\n \"SIGNATURE_UNSUPPORTED\"\n );\n\n SignatureType signatureType = SignatureType(signatureTypeRaw);\n\n // Variables are not scoped in Solidity.\n uint8 v;\n bytes32 r;\n bytes32 s;\n address recovered;\n\n // Always illegal signature.\n // This is always an implicit option since a signer can create a\n // signature array with invalid type or length. We may as well make\n // it an explicit option. This aids testing and analysis. It is\n // also the initialization value for the enum type.\n if (signatureType == SignatureType.Illegal) {\n revert(\"SIGNATURE_ILLEGAL\");\n\n // Always invalid signature.\n // Like Illegal, this is always implicitly available and therefore\n // offered explicitly. It can be implicitly created by providing\n // a correctly formatted but incorrect signature.\n } else if (signatureType == SignatureType.Invalid) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = false;\n return isValid;\n\n // Signature using EIP712\n } else if (signatureType == SignatureType.EIP712) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n hash,\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signed using web3.eth_sign\n } else if (signatureType == SignatureType.EthSign) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n32\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Implicitly signed by caller.\n // The signer has initiated the call. In the case of non-contract\n // accounts it means the transaction itself was signed.\n // Example: let's say for a particular operation three signatures\n // A, B and C are required. To submit the transaction, A and B can\n // give a signature to C, who can then submit the transaction using\n // `Caller` for his own signature. Or A and C can sign and B can\n // submit using `Caller`. Having `Caller` allows this flexibility.\n } else if (signatureType == SignatureType.Caller) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = signerAddress == msg.sender;\n return isValid;\n\n // Signature verified by wallet contract.\n // If used with an order, the maker of the order is the wallet contract.\n } else if (signatureType == SignatureType.Wallet) {\n isValid = IWallet(signerAddress).isValidSignature(hash, signature);\n return isValid;\n\n // Signature verified by validator contract.\n // If used with an order, the maker of the order can still be an EOA.\n // A signature using this type should be encoded as:\n // | Offset | Length | Contents |\n // | 0x00 | x | Signature to validate |\n // | 0x00 + x | 20 | Address of validator contract |\n // | 0x14 + x | 1 | Signature type is always \"\\x06\" |\n } else if (signatureType == SignatureType.Validator) {\n // Pop last 20 bytes off of signature byte array.\n address validatorAddress = signature.popLast20Bytes();\n \n // Ensure signer has approved validator.\n if (!allowedValidators[signerAddress][validatorAddress]) {\n return false;\n }\n isValid = IValidator(validatorAddress).isValidSignature(\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signer signed hash previously using the preSign function.\n } else if (signatureType == SignatureType.PreSigned) {\n isValid = preSigned[hash][signerAddress];\n return isValid;\n\n // Signature from Trezor hardware wallet.\n // It differs from web3.eth_sign in the encoding of message length\n // (Bitcoin varint encoding vs ascii-decimal, the latter is not\n // self-terminating which leads to ambiguities).\n // See also:\n // https://en.bitcoin.it/wiki/Protocol_documentation#Variable_length_integer\n // https://github.com/trezor/trezor-mcu/blob/master/firmware/ethereum.c#L602\n // https://github.com/trezor/trezor-mcu/blob/master/firmware/crypto.c#L36\n } else if (signatureType == SignatureType.Trezor) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n\\x20\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n }\n\n // Anything else is illegal (We do not return false because\n // the signature may actually be valid, just not in a format\n // that we currently support. In this case returning false\n // may lead the caller to incorrectly believe that the\n // signature was invalid.)\n revert(\"SIGNATURE_UNSUPPORTED\");\n }\n}\n", - "2.0.0/protocol/Exchange/MixinTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"./libs/LibExchangeErrors.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./libs/LibEIP712.sol\";\n\n\ncontract MixinTransactions is\n LibEIP712,\n MSignatureValidator,\n MTransactions\n{\n\n // Mapping of transaction hash => executed\n // This prevents transactions from being executed more than once.\n mapping (bytes32 => bool) public transactions;\n\n // Address of current transaction signer\n address public currentContextAddress;\n\n // Hash for the EIP712 ZeroEx Transaction Schema\n bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"ZeroExTransaction(\",\n \"uint256 salt,\",\n \"address signerAddress,\",\n \"bytes data\",\n \")\"\n ));\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external\n {\n // Prevent reentrancy\n require(\n currentContextAddress == address(0),\n \"REENTRANCY_ILLEGAL\"\n );\n\n bytes32 transactionHash = hashEIP712Message(hashZeroExTransaction(\n salt,\n signerAddress,\n data\n ));\n\n // Validate transaction has not been executed\n require(\n !transactions[transactionHash],\n \"INVALID_TX_HASH\"\n );\n\n // Transaction always valid if signer is sender of transaction\n if (signerAddress != msg.sender) {\n // Validate signature\n require(\n isValidSignature(\n transactionHash,\n signerAddress,\n signature\n ),\n \"INVALID_TX_SIGNATURE\"\n );\n\n // Set the current transaction signer\n currentContextAddress = signerAddress;\n }\n\n // Execute transaction\n transactions[transactionHash] = true;\n require(\n address(this).delegatecall(data),\n \"FAILED_EXECUTION\"\n );\n\n // Reset current transaction signer if it was previously updated\n if (signerAddress != msg.sender) {\n currentContextAddress = address(0);\n }\n }\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;\n bytes32 dataHash = keccak256(data);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,\n // salt,\n // bytes32(signerAddress),\n // keccak256(data)\n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, schemaHash) // hash of schema\n mstore(add(memPtr, 32), salt) // salt\n mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff)) // signerAddress\n mstore(add(memPtr, 96), dataHash) // hash of data\n\n // Compute hash\n result := keccak256(memPtr, 128)\n }\n return result;\n }\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address)\n {\n address contextAddress = currentContextAddress == address(0) ? msg.sender : currentContextAddress;\n return contextAddress;\n }\n}\n", - "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibAbiEncoder.sol\";\nimport \"./mixins/MExchangeCore.sol\";\n\n\ncontract MixinWrapperFunctions is\n LibMath,\n LibFillResults,\n LibAbiEncoder,\n MExchangeCore\n{\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n require(\n fillResults.takerAssetFilledAmount == takerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return fillResults;\n }\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n // Delegate to `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := delegatecall(\n gas, // forward all gas, TODO: look into gas consumption of assert/throw\n address, // call address of this contract\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n switch success\n case 0 {\n mstore(fillResults, 0)\n mstore(add(fillResults, 32), 0)\n mstore(add(fillResults, 64), 0)\n mstore(add(fillResults, 96), 0)\n }\n case 1 {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrder(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrKillOrder(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n \n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrder(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmount(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrder(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmount(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n cancelOrder(orders[i]);\n }\n }\n\n /// @dev Fetches information for all passed in orders.\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n LibOrder.OrderInfo[] memory ordersInfo = new LibOrder.OrderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n ordersInfo[i] = getOrderInfo(orders[i]);\n }\n return ordersInfo;\n }\n}\n", - "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssetProxyDispatcher {\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external;\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IExchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./IExchangeCore.sol\";\nimport \"./IMatchOrders.sol\";\nimport \"./ISignatureValidator.sol\";\nimport \"./ITransactions.sol\";\nimport \"./IAssetProxyDispatcher.sol\";\nimport \"./IWrapperFunctions.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract IExchange is\n IExchangeCore,\n IMatchOrders,\n ISignatureValidator,\n ITransactions,\n IAssetProxyDispatcher,\n IWrapperFunctions\n{}\n", - "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IExchangeCore {\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external;\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrder(LibOrder.Order memory order)\n public;\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(LibOrder.Order memory order)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IMatchOrders {\n\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n}\n", - "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ISignatureValidator {\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external;\n \n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external;\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address of signer.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\n\ncontract ITransactions {\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external;\n}\n", - "2.0.0/protocol/Exchange/interfaces/IValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IValidator {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IWallet {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IWrapperFunctions {\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public;\n\n /// @dev Fetches information for all passed in orders\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory);\n}\n", - "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./LibOrder.sol\";\n\n\ncontract LibAbiEncoder {\n\n /// @dev ABI encodes calldata for `fillOrder`.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return ABI encoded calldata for `fillOrder`.\n function abiEncodeFillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n pure\n returns (bytes memory fillOrderCalldata)\n {\n // We need to call MExchangeCore.fillOrder using a delegatecall in\n // assembly so that we can intercept a call that throws. For this, we\n // need the input encoded in memory in the Ethereum ABIv2 format [1].\n\n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0x00 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 0x00 | | 1. offset to order (*) |\n // | | 0x20 | | 2. takerAssetFillAmount |\n // | | 0x40 | | 3. offset to signature (*) |\n // | Data | | 12 * 32 | order: |\n // | | 0x000 | | 1. senderAddress |\n // | | 0x020 | | 2. makerAddress |\n // | | 0x040 | | 3. takerAddress |\n // | | 0x060 | | 4. feeRecipientAddress |\n // | | 0x080 | | 5. makerAssetAmount |\n // | | 0x0A0 | | 6. takerAssetAmount |\n // | | 0x0C0 | | 7. makerFeeAmount |\n // | | 0x0E0 | | 8. takerFeeAmount |\n // | | 0x100 | | 9. expirationTimeSeconds |\n // | | 0x120 | | 10. salt |\n // | | 0x140 | | 11. Offset to makerAssetData (*) |\n // | | 0x160 | | 12. Offset to takerAssetData (*) |\n // | | 0x180 | 32 | makerAssetData Length |\n // | | 0x1A0 | ** | makerAssetData Contents |\n // | | 0x1C0 | 32 | takerAssetData Length |\n // | | 0x1E0 | ** | takerAssetData Contents |\n // | | 0x200 | 32 | signature Length |\n // | | 0x220 | ** | signature Contents |\n\n // * Offsets are calculated from the beginning of the current area: Header, Params, Data:\n // An offset stored in the Params area is calculated from the beginning of the Params section.\n // An offset stored in the Data area is calculated from the beginning of the Data section.\n\n // ** The length of dynamic array contents are stored in the field immediately preceeding the contents.\n\n // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html\n\n assembly {\n\n // Areas below may use the following variables:\n // 1. Start -- Start of this area in memory\n // 2. End -- End of this area in memory. This value may\n // be precomputed (before writing contents),\n // or it may be computed as contents are written.\n // 3. Offset -- Current offset into area. If an area's End\n // is precomputed, this variable tracks the\n // offsets of contents as they are written.\n\n /////// Setup Header Area ///////\n // Load free memory pointer\n fillOrderCalldata := mload(0x40)\n // bytes4(keccak256(\"fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)\"))\n // = 0xb4be83d5\n // Leave 0x20 bytes to store the length\n mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000)\n let headerAreaEnd := add(fillOrderCalldata, 0x24)\n\n /////// Setup Params Area ///////\n // This area is preallocated and written to later.\n // This is because we need to fill in offsets that have not yet been calculated.\n let paramsAreaStart := headerAreaEnd\n let paramsAreaEnd := add(paramsAreaStart, 0x60)\n let paramsAreaOffset := paramsAreaStart\n\n /////// Setup Data Area ///////\n let dataAreaStart := paramsAreaEnd\n let dataAreaEnd := dataAreaStart\n\n // Offset from the source data we're reading from\n let sourceOffset := order\n // arrayLenBytes and arrayLenWords track the length of a dynamically-allocated bytes array.\n let arrayLenBytes := 0\n let arrayLenWords := 0\n\n /////// Write order Struct ///////\n // Write memory location of Order, relative to the start of the\n // parameter list, then increment the paramsAreaOffset respectively.\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n // Write values for each field in the order\n // It would be nice to use a loop, but we save on gas by writing\n // the stores sequentially.\n mstore(dataAreaEnd, mload(sourceOffset)) // makerAddress\n mstore(add(dataAreaEnd, 0x20), mload(add(sourceOffset, 0x20))) // takerAddress\n mstore(add(dataAreaEnd, 0x40), mload(add(sourceOffset, 0x40))) // feeRecipientAddress\n mstore(add(dataAreaEnd, 0x60), mload(add(sourceOffset, 0x60))) // senderAddress\n mstore(add(dataAreaEnd, 0x80), mload(add(sourceOffset, 0x80))) // makerAssetAmount\n mstore(add(dataAreaEnd, 0xA0), mload(add(sourceOffset, 0xA0))) // takerAssetAmount\n mstore(add(dataAreaEnd, 0xC0), mload(add(sourceOffset, 0xC0))) // makerFeeAmount\n mstore(add(dataAreaEnd, 0xE0), mload(add(sourceOffset, 0xE0))) // takerFeeAmount\n mstore(add(dataAreaEnd, 0x100), mload(add(sourceOffset, 0x100))) // expirationTimeSeconds\n mstore(add(dataAreaEnd, 0x120), mload(add(sourceOffset, 0x120))) // salt\n mstore(add(dataAreaEnd, 0x140), mload(add(sourceOffset, 0x140))) // Offset to makerAssetData\n mstore(add(dataAreaEnd, 0x160), mload(add(sourceOffset, 0x160))) // Offset to takerAssetData\n dataAreaEnd := add(dataAreaEnd, 0x180)\n sourceOffset := add(sourceOffset, 0x180)\n\n // Write offset to \n mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x140)) // makerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Write offset to \n mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x160)) // takerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n /////// Write takerAssetFillAmount ///////\n mstore(paramsAreaOffset, takerAssetFillAmount)\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n /////// Write signature ///////\n // Write offset to paramsArea\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n\n // Calculate length of signature\n sourceOffset := signature\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of signature\n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of signature\n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Set length of calldata\n mstore(fillOrderCalldata, sub(dataAreaEnd, add(fillOrderCalldata, 0x20)))\n\n // Increment free memory pointer\n mstore(0x40, dataAreaEnd)\n }\n\n return fillOrderCalldata;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\n// solhint-disable max-line-length\ncontract LibConstants {\n \n // Asset data for ZRX token. Used for fee transfers.\n // @TODO: Hardcode constant when we deploy. Currently \n // not constant to make testing easier.\n\n // The proxyId for ZRX_ASSET_DATA is bytes4(keccak256(\"ERC20Token(address)\")) = 0xf47261b0\n \n // Kovan ZRX address is 0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570.\n // The ABI encoded proxyId and address is 0xf47261b00000000000000000000000006ff6c0ff1d68b964901f986d4c9fa3ac68346570\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x6f\\xf6\\xc0\\xff\\x1d\\x68\\xb9\\x64\\x90\\x1f\\x98\\x6d\\x4c\\x9f\\xa3\\xac\\x68\\x34\\x65\\x70\";\n \n // Mainnet ZRX address is 0xe41d2489571d322189246dafa5ebde1f4699f498.\n // The ABI encoded proxyId and address is 0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xe4\\x1d\\x24\\x89\\x57\\x1d\\x32\\x21\\x89\\x24\\x6d\\xaf\\xa5\\xeb\\xde\\x1f\\x46\\x99\\xf4\\x98\";\n \n // solhint-disable-next-line var-name-mixedcase\n bytes public ZRX_ASSET_DATA;\n\n // @TODO: Remove when we deploy.\n constructor (bytes memory zrxAssetData)\n public\n {\n ZRX_ASSET_DATA = zrxAssetData;\n }\n}\n// solhint-enable max-line-length\n", - "2.0.0/protocol/Exchange/libs/LibEIP712.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract LibEIP712 {\n // EIP191 header for EIP712 prefix\n string constant internal EIP191_HEADER = \"\\x19\\x01\";\n\n // EIP712 Domain Name value\n string constant internal EIP712_DOMAIN_NAME = \"0x Protocol\";\n\n // EIP712 Domain Version value\n string constant internal EIP712_DOMAIN_VERSION = \"2\";\n\n // Hash of the EIP712 Domain Separator Schema\n bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"EIP712Domain(\",\n \"string name,\",\n \"string version,\",\n \"address verifyingContract\",\n \")\"\n ));\n\n // Hash of the EIP712 Domain Separator data\n // solhint-disable-next-line var-name-mixedcase\n bytes32 public EIP712_DOMAIN_HASH;\n\n constructor ()\n public\n {\n EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(\n EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,\n keccak256(bytes(EIP712_DOMAIN_NAME)),\n keccak256(bytes(EIP712_DOMAIN_VERSION)),\n bytes32(address(this))\n ));\n }\n\n /// @dev Calculates EIP712 encoding for a hash struct in this EIP712 Domain.\n /// @param hashStruct The EIP712 hash struct.\n /// @return EIP712 hash applied to this EIP712 Domain.\n function hashEIP712Message(bytes32 hashStruct)\n internal\n view\n returns (bytes32 result)\n {\n bytes32 eip712DomainHash = EIP712_DOMAIN_HASH;\n\n // Assembly for more efficient computing:\n // keccak256(abi.encodePacked(\n // EIP191_HEADER,\n // EIP712_DOMAIN_HASH,\n // hashStruct \n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, 0x1901000000000000000000000000000000000000000000000000000000000000) // EIP191 header\n mstore(add(memPtr, 2), eip712DomainHash) // EIP712 domain hash\n mstore(add(memPtr, 34), hashStruct) // Hash of struct\n\n // Compute hash\n result := keccak256(memPtr, 66)\n }\n return result;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity 0.4.24;\n\n\n/// @dev This contract documents the revert reasons used in the Exchange contract.\n/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons.\ncontract LibExchangeErrors {\n\n /// Order validation errors ///\n string constant ORDER_UNFILLABLE = \"ORDER_UNFILLABLE\"; // Order cannot be filled.\n string constant INVALID_MAKER = \"INVALID_MAKER\"; // Invalid makerAddress.\n string constant INVALID_TAKER = \"INVALID_TAKER\"; // Invalid takerAddress.\n string constant INVALID_SENDER = \"INVALID_SENDER\"; // Invalid `msg.sender`.\n string constant INVALID_ORDER_SIGNATURE = \"INVALID_ORDER_SIGNATURE\"; // Signature validation failed. \n \n /// fillOrder validation errors ///\n string constant INVALID_TAKER_AMOUNT = \"INVALID_TAKER_AMOUNT\"; // takerAssetFillAmount cannot equal 0.\n string constant ROUNDING_ERROR = \"ROUNDING_ERROR\"; // Rounding error greater than 0.1% of takerAssetFillAmount. \n \n /// Signature validation errors ///\n string constant INVALID_SIGNATURE = \"INVALID_SIGNATURE\"; // Signature validation failed. \n string constant SIGNATURE_ILLEGAL = \"SIGNATURE_ILLEGAL\"; // Signature type is illegal.\n string constant SIGNATURE_UNSUPPORTED = \"SIGNATURE_UNSUPPORTED\"; // Signature type unsupported.\n \n /// cancelOrdersUptTo errors ///\n string constant INVALID_NEW_ORDER_EPOCH = \"INVALID_NEW_ORDER_EPOCH\"; // Specified salt must be greater than or equal to existing orderEpoch.\n\n /// fillOrKillOrder errors ///\n string constant COMPLETE_FILL_FAILED = \"COMPLETE_FILL_FAILED\"; // Desired takerAssetFillAmount could not be completely filled. \n\n /// matchOrders errors ///\n string constant NEGATIVE_SPREAD_REQUIRED = \"NEGATIVE_SPREAD_REQUIRED\"; // Matched orders must have a negative spread.\n\n /// Transaction errors ///\n string constant REENTRANCY_ILLEGAL = \"REENTRANCY_ILLEGAL\"; // Recursive reentrancy is not allowed. \n string constant INVALID_TX_HASH = \"INVALID_TX_HASH\"; // Transaction has already been executed. \n string constant INVALID_TX_SIGNATURE = \"INVALID_TX_SIGNATURE\"; // Signature validation failed. \n string constant FAILED_EXECUTION = \"FAILED_EXECUTION\"; // Transaction execution failed. \n \n /// registerAssetProxy errors ///\n string constant ASSET_PROXY_ALREADY_EXISTS = \"ASSET_PROXY_ALREADY_EXISTS\"; // AssetProxy with same id already exists.\n\n /// dispatchTransferFrom errors ///\n string constant ASSET_PROXY_DOES_NOT_EXIST = \"ASSET_PROXY_DOES_NOT_EXIST\"; // No assetProxy registered at given id.\n string constant TRANSFER_FAILED = \"TRANSFER_FAILED\"; // Asset transfer unsuccesful.\n\n /// Length validation errors ///\n string constant LENGTH_GREATER_THAN_0_REQUIRED = \"LENGTH_GREATER_THAN_0_REQUIRED\"; // Byte array must have a length greater than 0.\n string constant LENGTH_GREATER_THAN_3_REQUIRED = \"LENGTH_GREATER_THAN_3_REQUIRED\"; // Byte array must have a length greater than 3.\n string constant LENGTH_0_REQUIRED = \"LENGTH_0_REQUIRED\"; // Byte array must have a length of 0.\n string constant LENGTH_65_REQUIRED = \"LENGTH_65_REQUIRED\"; // Byte array must have a length of 65.\n}\n", - "2.0.0/protocol/Exchange/libs/LibFillResults.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibFillResults is\n SafeMath\n{\n\n struct FillResults {\n uint256 makerAssetFilledAmount; // Total amount of makerAsset(s) filled.\n uint256 takerAssetFilledAmount; // Total amount of takerAsset(s) filled.\n uint256 makerFeePaid; // Total amount of ZRX paid by maker(s) to feeRecipient(s).\n uint256 takerFeePaid; // Total amount of ZRX paid by taker to feeRecipients(s).\n }\n\n struct MatchedFillResults {\n FillResults left; // Amounts filled and fees paid of left order.\n FillResults right; // Amounts filled and fees paid of right order.\n uint256 leftMakerAssetSpreadAmount; // Spread between price of left and right order, denominated in the left order's makerAsset, paid to taker.\n }\n\n /// @dev Adds properties of both FillResults instances.\n /// Modifies the first FillResults instance specified.\n /// @param totalFillResults Fill results instance that will be added onto.\n /// @param singleFillResults Fill results instance that will be added to totalFillResults.\n function addFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)\n internal\n pure\n {\n totalFillResults.makerAssetFilledAmount = safeAdd(totalFillResults.makerAssetFilledAmount, singleFillResults.makerAssetFilledAmount);\n totalFillResults.takerAssetFilledAmount = safeAdd(totalFillResults.takerAssetFilledAmount, singleFillResults.takerAssetFilledAmount);\n totalFillResults.makerFeePaid = safeAdd(totalFillResults.makerFeePaid, singleFillResults.makerFeePaid);\n totalFillResults.takerFeePaid = safeAdd(totalFillResults.takerFeePaid, singleFillResults.takerFeePaid);\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibMath.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibMath is\n SafeMath\n{\n\n /// @dev Calculates partial value given a numerator and denominator.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target.\n function getPartialAmount(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Checks if rounding error > 0.1%.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingError(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n uint256 remainder = mulmod(target, numerator, denominator);\n if (remainder == 0) {\n return false; // No rounding error.\n }\n\n uint256 errPercentageTimes1000000 = safeDiv(\n safeMul(remainder, 1000000),\n safeMul(numerator, target)\n );\n isError = errPercentageTimes1000000 > 1000;\n return isError;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibOrder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./LibEIP712.sol\";\n\n\ncontract LibOrder is\n LibEIP712\n{\n\n // Hash for the EIP712 Order Schema\n bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"Order(\",\n \"address makerAddress,\",\n \"address takerAddress,\",\n \"address feeRecipientAddress,\",\n \"address senderAddress,\",\n \"uint256 makerAssetAmount,\",\n \"uint256 takerAssetAmount,\",\n \"uint256 makerFee,\",\n \"uint256 takerFee,\",\n \"uint256 expirationTimeSeconds,\",\n \"uint256 salt,\",\n \"bytes makerAssetData,\",\n \"bytes takerAssetData\",\n \")\"\n ));\n\n // A valid order remains fillable until it is expired, fully filled, or cancelled.\n // An order's state is unaffected by external factors, like account balances.\n enum OrderStatus {\n INVALID, // Default value\n INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount\n INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount\n FILLABLE, // Order is fillable\n EXPIRED, // Order has already expired\n FULLY_FILLED, // Order is fully filled\n CANCELLED // Order has been cancelled\n }\n\n // solhint-disable max-line-length\n struct Order {\n address makerAddress; // Address that created the order. \n address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order. \n address feeRecipientAddress; // Address that will recieve fees when order is filled. \n address senderAddress; // Address that is allowed to call Exchange contract methods that affect this order. If set to 0, any address is allowed to call these methods.\n uint256 makerAssetAmount; // Amount of makerAsset being offered by maker. Must be greater than 0. \n uint256 takerAssetAmount; // Amount of takerAsset being bid on by maker. Must be greater than 0. \n uint256 makerFee; // Amount of ZRX paid to feeRecipient by maker when order is filled. If set to 0, no transfer of ZRX from maker to feeRecipient will be attempted.\n uint256 takerFee; // Amount of ZRX paid to feeRecipient by taker when order is filled. If set to 0, no transfer of ZRX from taker to feeRecipient will be attempted.\n uint256 expirationTimeSeconds; // Timestamp in seconds at which order expires. \n uint256 salt; // Arbitrary number to facilitate uniqueness of the order's hash. \n bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.\n bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.\n }\n // solhint-enable max-line-length\n\n struct OrderInfo {\n uint8 orderStatus; // Status that describes order's validity and fillability.\n bytes32 orderHash; // EIP712 hash of the order (see LibOrder.getOrderHash).\n uint256 orderTakerAssetFilledAmount; // Amount of order that has already been filled.\n }\n\n /// @dev Calculates Keccak-256 hash of the order.\n /// @param order The order structure.\n /// @return Keccak-256 EIP712 hash of the order.\n function getOrderHash(Order memory order)\n internal\n view\n returns (bytes32 orderHash)\n {\n orderHash = hashEIP712Message(hashOrder(order));\n return orderHash;\n }\n\n /// @dev Calculates EIP712 hash of the order.\n /// @param order The order structure.\n /// @return EIP712 hash of the order.\n function hashOrder(Order memory order)\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ORDER_SCHEMA_HASH;\n bytes32 makerAssetDataHash = keccak256(order.makerAssetData);\n bytes32 takerAssetDataHash = keccak256(order.takerAssetData);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ORDER_SCHEMA_HASH,\n // bytes32(order.makerAddress),\n // bytes32(order.takerAddress),\n // bytes32(order.feeRecipientAddress),\n // bytes32(order.senderAddress),\n // order.makerAssetAmount,\n // order.takerAssetAmount,\n // order.makerFee,\n // order.takerFee,\n // order.expirationTimeSeconds,\n // order.salt,\n // keccak256(order.makerAssetData),\n // keccak256(order.takerAssetData)\n // ));\n\n assembly {\n // Calculate memory addresses that will be swapped out before hashing\n let pos1 := sub(order, 32)\n let pos2 := add(order, 320)\n let pos3 := add(order, 352)\n\n // Backup\n let temp1 := mload(pos1)\n let temp2 := mload(pos2)\n let temp3 := mload(pos3)\n \n // Hash in place\n mstore(pos1, schemaHash)\n mstore(pos2, makerAssetDataHash)\n mstore(pos3, takerAssetDataHash)\n result := keccak256(pos1, 416)\n \n // Restore\n mstore(pos1, temp1)\n mstore(pos2, temp2)\n mstore(pos3, temp3)\n }\n return result;\n }\n}\n", - "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssetProxyDispatcher.sol\";\n\n\ncontract MAssetProxyDispatcher is\n IAssetProxyDispatcher\n{\n\n // Logs registration of new asset proxy\n event AssetProxyRegistered(\n bytes4 id, // Id of new registered AssetProxy.\n address assetProxy // Address of new registered AssetProxy.\n );\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal;\n}\n", - "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IExchangeCore.sol\";\n\n\ncontract MExchangeCore is\n IExchangeCore\n{\n // Fill event is emitted whenever an order is filled.\n event Fill(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that received fees.\n address takerAddress, // Address that filled the order.\n address senderAddress, // Address that called the Exchange contract (msg.sender).\n uint256 makerAssetFilledAmount, // Amount of makerAsset sold by maker and bought by taker. \n uint256 takerAssetFilledAmount, // Amount of takerAsset sold by taker and bought by maker.\n uint256 makerFeePaid, // Amount of ZRX paid to feeRecipient by maker.\n uint256 takerFeePaid, // Amount of ZRX paid to feeRecipient by taker.\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // Cancel event is emitted whenever an individual order is cancelled.\n event Cancel(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that would have recieved fees if order was filled. \n address senderAddress, // Address that called the Exchange contract (msg.sender).\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // CancelUpTo event is emitted whenever `cancelOrdersUpTo` is executed succesfully.\n event CancelUpTo(\n address indexed makerAddress, // Orders cancelled must have been created by this address.\n address indexed senderAddress, // Orders cancelled must have a `senderAddress` equal to this address.\n uint256 orderEpoch // Orders with specified makerAddress and senderAddress with a salt less than this value are considered cancelled.\n );\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function updateFilledState(\n LibOrder.Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n LibFillResults.FillResults memory fillResults\n )\n internal;\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n LibOrder.Order memory order,\n bytes32 orderHash\n )\n internal;\n\n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo Status, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param signature Proof that the orders was created by its maker.\n function assertValidFill(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n address takerAddress,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n bytes memory signature\n )\n internal\n view;\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo\n )\n internal\n view;\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n LibOrder.Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.FillResults memory fillResults);\n\n}\n", - "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IMatchOrders.sol\";\n\n\ncontract MMatchOrders is\n IMatchOrders\n{\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure;\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n\n}\n", - "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/ISignatureValidator.sol\";\n\n\ncontract MSignatureValidator is\n ISignatureValidator\n{\n event SignatureValidatorApproval(\n address indexed signerAddress, // Address that approves or disapproves a contract to verify signatures.\n address indexed validatorAddress, // Address of signature validator contract.\n bool approved // Approval or disapproval of validator contract.\n );\n\n // Allowed signature types.\n enum SignatureType {\n Illegal, // 0x00, default value\n Invalid, // 0x01\n EIP712, // 0x02\n EthSign, // 0x03\n Caller, // 0x04\n Wallet, // 0x05\n Validator, // 0x06\n PreSigned, // 0x07\n Trezor, // 0x08\n NSignatureTypes // 0x09, number of signature types. Always leave at end.\n }\n}\n", - "2.0.0/protocol/Exchange/mixins/MTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"../interfaces/ITransactions.sol\";\n\n\ncontract MTransactions is\n ITransactions\n{\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address);\n}\n", - "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/MintableERC20Token.sol\";\n\n\ncontract DummyERC20Token is \n Ownable,\n MintableERC20Token\n{\n string public name;\n string public symbol;\n uint256 public decimals;\n uint256 public constant MAX_MINT_AMOUNT = 10000000000000000000000;\n\n constructor (\n string _name,\n string _symbol,\n uint256 _decimals,\n uint256 _totalSupply\n )\n public\n {\n name = _name;\n symbol = _symbol;\n decimals = _decimals;\n _totalSupply = _totalSupply;\n balances[msg.sender] = _totalSupply;\n }\n\n /// @dev Sets the balance of target address\n /// @param _target Address or which balance will be updated\n /// @param _value New balance of target address\n function setBalance(address _target, uint256 _value)\n external\n onlyOwner\n {\n uint256 currBalance = balances[_target];\n if (_value < currBalance) {\n _totalSupply = safeSub(_totalSupply, safeSub(currBalance, _value));\n } else {\n _totalSupply = safeAdd(_totalSupply, safeSub(_value, currBalance));\n }\n balances[_target] = _value;\n }\n\n /// @dev Mints new tokens for sender\n /// @param _value Amount of tokens to mint\n function mint(uint256 _value)\n external\n {\n require(\n _value <= MAX_MINT_AMOUNT,\n \"VALUE_TOO_LARGE\"\n );\n\n _mint(msg.sender, _value);\n }\n}\n", - "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../tokens/ERC721Token/MintableERC721Token.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract DummyERC721Token is\n Ownable,\n MintableERC721Token\n{\n string public name;\n string public symbol;\n\n constructor (\n string _name,\n string _symbol\n )\n public\n {\n name = _name;\n symbol = _symbol;\n }\n\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function mint(address _to, uint256 _tokenId)\n external\n {\n _mint(_to, _tokenId);\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist or not called by contract owner\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function burn(address _owner, uint256 _tokenId)\n external\n onlyOwner\n {\n _burn(_owner, _tokenId);\n }\n}\n", - "2.0.0/tokens/ERC20Token/ERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC20Token.sol\";\n\n\ncontract ERC20Token is\n IERC20Token\n{\n\n mapping (address => uint256) internal balances;\n mapping (address => mapping (address => uint256)) internal allowed;\n\n uint256 internal _totalSupply;\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool)\n {\n require(\n balances[msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[msg.sender] -= _value;\n balances[_to] += _value;\n\n emit Transfer(\n msg.sender,\n _to,\n _value\n );\n\n return true;\n }\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowed[_from][msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n allowed[_from][msg.sender] -= _value;\n \n emit Transfer(\n _from,\n _to,\n _value\n );\n \n return true;\n }\n\n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool)\n {\n allowed[msg.sender][_spender] = _value;\n emit Approval(\n msg.sender,\n _spender,\n _value\n );\n return true;\n }\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256)\n {\n return _totalSupply;\n }\n\n /// @dev Query the balance of owner\n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n return balances[_owner];\n }\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256)\n {\n return allowed[_owner][_spender];\n }\n}\n", - "2.0.0/tokens/ERC20Token/IERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n \n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n \n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", - "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/SafeMath/SafeMath.sol\";\nimport \"./UnlimitedAllowanceERC20Token.sol\";\n\n\ncontract MintableERC20Token is \n SafeMath,\n UnlimitedAllowanceERC20Token\n{\n\n /// @dev Mints new tokens\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _value Amount of tokens to mint\n function _mint(address _to, uint256 _value)\n internal\n {\n balances[_to] = safeAdd(_value, balances[_to]);\n _totalSupply = safeAdd(_totalSupply, _value);\n\n emit Transfer(\n address(0),\n _to,\n _value\n );\n }\n\n /// @dev Mints new tokens\n /// @param _owner Owner of tokens that will be burned\n /// @param _value Amount of tokens to burn\n function _burn(address _owner, uint256 _value)\n internal\n {\n balances[_owner] = safeSub(balances[_owner], _value);\n _totalSupply = safeSub(_totalSupply, _value);\n\n emit Transfer(\n _owner,\n address(0),\n _value\n );\n }\n}\n", - "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/ERC20Token.sol\";\n\n\ncontract UnlimitedAllowanceERC20Token is\n ERC20Token\n{\n\n uint256 constant internal MAX_UINT = 2**256 - 1;\n\n /// @dev ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited allowance. See https://github.com/ethereum/EIPs/issues/717\n /// @param _from Address to transfer from.\n /// @param _to Address to transfer to.\n /// @param _value Amount to transfer.\n /// @return Success of transfer.\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n uint256 allowance = allowed[_from][msg.sender];\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowance >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n if (allowance < MAX_UINT) {\n allowed[_from][msg.sender] -= _value;\n }\n\n emit Transfer(\n _from,\n _to,\n _value\n );\n\n return true;\n }\n}\n", - "2.0.0/tokens/ERC721Token/ERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC721Token.sol\";\nimport \"./IERC721Receiver.sol\";\nimport \"../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract ERC721Token is\n IERC721Token,\n SafeMath\n{\n // Function selector for ERC721Receiver.onERC721Received\n // 0x150b7a02\n bytes4 constant internal ERC721_RECEIVED = bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"));\n\n // Mapping of tokenId => owner\n mapping (uint256 => address) internal owners;\n\n // Mapping of tokenId => approved address\n mapping (uint256 => address) internal approvals;\n\n // Mapping of owner => number of tokens owned\n mapping (address => uint256) internal balances;\n\n // Mapping of owner => operator => approved\n mapping (address => mapping (address => bool)) internal operatorApprovals;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n _data\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n \"\"\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external\n {\n address owner = ownerOf(_tokenId);\n require(\n msg.sender == owner || isApprovedForAll(owner, msg.sender),\n \"ERC721_INVALID_SENDER\"\n );\n\n approvals[_tokenId] = _approved;\n emit Approval(\n owner,\n _approved,\n _tokenId\n );\n }\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external\n {\n operatorApprovals[msg.sender][_operator] = _approved;\n emit ApprovalForAll(\n msg.sender,\n _operator,\n _approved\n );\n }\n \n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return balances[_owner];\n }\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = ownerOf(_tokenId);\n require(\n _from == owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n address spender = msg.sender;\n address approvedAddress = getApproved(_tokenId);\n require(\n spender == owner ||\n isApprovedForAll(owner, spender) ||\n approvedAddress == spender,\n \"ERC721_INVALID_SPENDER\"\n );\n\n if (approvedAddress != address(0)) {\n approvals[_tokenId] = address(0);\n }\n\n owners[_tokenId] = _to;\n balances[_from] = safeSub(balances[_from], 1);\n balances[_to] = safeAdd(balances[_to], 1);\n \n emit Transfer(\n _from,\n _to,\n _tokenId\n );\n }\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address)\n {\n address owner = owners[_tokenId];\n require(\n owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return owner;\n }\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId)\n public\n view\n returns (address)\n {\n return approvals[_tokenId];\n }\n\n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool)\n {\n return operatorApprovals[_owner][_operator];\n }\n}\n", - "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Receiver {\n\n /// @notice Handle the receipt of an NFT\n /// @dev The ERC721 smart contract calls this function on the recipient\n /// after a `transfer`. This function MAY throw to revert and reject the\n /// transfer. Return of other than the magic value MUST result in the\n /// transaction being reverted.\n /// Note: the contract address is always the message sender.\n /// @param _operator The address which called `safeTransferFrom` function\n /// @param _from The address which previously owned the token\n /// @param _tokenId The NFT identifier which is being transferred\n /// @param _data Additional data with no specified format\n /// @return `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`\n /// unless throwing\n function onERC721Received(\n address _operator,\n address _from,\n uint256 _tokenId,\n bytes _data\n )\n external\n returns (bytes4);\n}\n", - "2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Token {\n\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(\n address indexed _owner,\n address indexed _approved,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(\n address indexed _owner,\n address indexed _operator,\n bool _approved\n );\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// perator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external;\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public;\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address);\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) \n public\n view\n returns (address);\n \n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool);\n}\n", - "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./ERC721Token.sol\";\n\n\ncontract MintableERC721Token is\n ERC721Token\n{\n\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function _mint(address _to, uint256 _tokenId)\n internal\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == address(0),\n \"ERC721_OWNER_ALREADY_EXISTS\"\n );\n\n owners[_tokenId] = _to;\n balances[_to] = safeAdd(balances[_to], 1);\n\n emit Transfer(\n address(0),\n _to,\n _tokenId\n );\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function _burn(address _owner, uint256 _tokenId)\n internal\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == _owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n owners[_tokenId] = address(0);\n balances[_owner] = safeSub(balances[_owner], 1);\n\n emit Transfer(\n _owner,\n address(0),\n _tokenId\n );\n }\n}\n", - "2.0.0/tokens/EtherToken/IEtherToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/IERC20Token.sol\";\n\n\ncontract IEtherToken is\n IERC20Token\n{\n function deposit()\n public\n payable;\n \n function withdraw(uint256 amount)\n public;\n}\n", - "2.0.0/utils/LibBytes/LibBytes.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\nlibrary LibBytes {\n\n using LibBytes for bytes;\n\n /// @dev Gets the memory address for a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of byte array. This\n /// points to the header of the byte array which contains\n /// the length.\n function rawAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := input\n }\n return memoryAddress;\n }\n \n /// @dev Gets the memory address for the contents of a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of the contents of the byte array.\n function contentAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := add(input, 32)\n }\n return memoryAddress;\n }\n\n /// @dev Copies `length` bytes from memory location `source` to `dest`.\n /// @param dest memory address to copy bytes to.\n /// @param source memory address to copy bytes from.\n /// @param length number of bytes to copy.\n function memCopy(\n uint256 dest,\n uint256 source,\n uint256 length\n )\n internal\n pure\n {\n if (length < 32) {\n // Handle a partial word by reading destination and masking\n // off the bits we are interested in.\n // This correctly handles overlap, zero lengths and source == dest\n assembly {\n let mask := sub(exp(256, sub(32, length)), 1)\n let s := and(mload(source), not(mask))\n let d := and(mload(dest), mask)\n mstore(dest, or(s, d))\n }\n } else {\n // Skip the O(length) loop when source == dest.\n if (source == dest) {\n return;\n }\n\n // For large copies we copy whole words at a time. The final\n // word is aligned to the end of the range (instead of after the\n // previous) to handle partial words. So a copy will look like this:\n //\n // ####\n // ####\n // ####\n // ####\n //\n // We handle overlap in the source and destination range by\n // changing the copying direction. This prevents us from\n // overwriting parts of source that we still need to copy.\n //\n // This correctly handles source == dest\n //\n if (source > dest) {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because it\n // is easier to compare with in the loop, and these\n // are also the addresses we need for copying the\n // last bytes.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the last 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the last bytes in\n // source already due to overlap.\n let last := mload(sEnd)\n\n // Copy whole words front to back\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} lt(source, sEnd) {} {\n mstore(dest, mload(source))\n source := add(source, 32)\n dest := add(dest, 32)\n }\n \n // Write the last 32 bytes\n mstore(dEnd, last)\n }\n } else {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because those\n // are the starting points when copying a word at the end.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the first 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the first bytes in\n // source already due to overlap.\n let first := mload(source)\n\n // Copy whole words back to front\n // We use a signed comparisson here to allow dEnd to become\n // negative (happens when source and dest < 32). Valid\n // addresses in local memory will never be larger than\n // 2**255, so they can be safely re-interpreted as signed.\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} slt(dest, dEnd) {} {\n mstore(dEnd, mload(sEnd))\n sEnd := sub(sEnd, 32)\n dEnd := sub(dEnd, 32)\n }\n \n // Write the first 32 bytes\n mstore(dest, first)\n }\n }\n }\n }\n\n /// @dev Returns a slices from a byte array.\n /// @param b The byte array to take a slice from.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n function slice(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure and copy contents\n result = new bytes(to - from);\n memCopy(\n result.contentAddress(),\n b.contentAddress() + from,\n result.length);\n return result;\n }\n \n /// @dev Returns a slice from a byte array without preserving the input.\n /// @param b The byte array to take a slice from. Will be destroyed in the process.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n /// @dev When `from == 0`, the original array will match the slice. In other cases its state will be corrupted.\n function sliceDestructive(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure around [from, to) in-place.\n assembly {\n result := add(b, from)\n mstore(result, sub(to, from))\n }\n return result;\n }\n\n /// @dev Pops the last byte off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The byte that was popped off.\n function popLastByte(bytes memory b)\n internal\n pure\n returns (bytes1 result)\n {\n require(\n b.length > 0,\n \"GREATER_THAN_ZERO_LENGTH_REQUIRED\"\n );\n\n // Store last byte.\n result = b[b.length - 1];\n\n assembly {\n // Decrement length of byte array.\n let newLen := sub(mload(b), 1)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Pops the last 20 bytes off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The 20 byte address that was popped off.\n function popLast20Bytes(bytes memory b)\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= 20,\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Store last 20 bytes.\n result = readAddress(b, b.length - 20);\n\n assembly {\n // Subtract 20 from byte array length.\n let newLen := sub(mload(b), 20)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Tests equality of two byte arrays.\n /// @param lhs First byte array to compare.\n /// @param rhs Second byte array to compare.\n /// @return True if arrays are the same. False otherwise.\n function equals(\n bytes memory lhs,\n bytes memory rhs\n )\n internal\n pure\n returns (bool equal)\n {\n // Keccak gas cost is 30 + numWords * 6. This is a cheap way to compare.\n // We early exit on unequal lengths, but keccak would also correctly\n // handle this.\n return lhs.length == rhs.length && keccak256(lhs) == keccak256(rhs);\n }\n\n /// @dev Reads an address from a position in a byte array.\n /// @param b Byte array containing an address.\n /// @param index Index in byte array of address.\n /// @return address from byte array.\n function readAddress(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Read address from array memory\n assembly {\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 20-byte mask to obtain address\n result := and(mload(add(b, index)), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n return result;\n }\n\n /// @dev Writes an address into a specific position in a byte array.\n /// @param b Byte array to insert address into.\n /// @param index Index in byte array of address.\n /// @param input Address to put into byte array.\n function writeAddress(\n bytes memory b,\n uint256 index,\n address input\n )\n internal\n pure\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Store address into array memory\n assembly {\n // The address occupies 20 bytes and mstore stores 32 bytes.\n // First fetch the 32-byte word where we'll be storing the address, then\n // apply a mask so we have only the bytes in the word that the address will not occupy.\n // Then combine these bytes with the address and store the 32 bytes back to memory with mstore.\n\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 12-byte mask to obtain extra bytes occupying word of memory where we'll store the address\n let neighbors := and(\n mload(add(b, index)),\n 0xffffffffffffffffffffffff0000000000000000000000000000000000000000\n )\n \n // Make sure input address is clean.\n // (Solidity does not guarantee this)\n input := and(input, 0xffffffffffffffffffffffffffffffffffffffff)\n\n // Store the neighbors and address into memory\n mstore(add(b, index), xor(input, neighbors))\n }\n }\n\n /// @dev Reads a bytes32 value from a position in a byte array.\n /// @param b Byte array containing a bytes32 value.\n /// @param index Index in byte array of bytes32 value.\n /// @return bytes32 value from byte array.\n function readBytes32(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes32 result)\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n result := mload(add(b, index))\n }\n return result;\n }\n\n /// @dev Writes a bytes32 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes32 to put into byte array.\n function writeBytes32(\n bytes memory b,\n uint256 index,\n bytes32 input\n )\n internal\n pure\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n mstore(add(b, index), input)\n }\n }\n\n /// @dev Reads a uint256 value from a position in a byte array.\n /// @param b Byte array containing a uint256 value.\n /// @param index Index in byte array of uint256 value.\n /// @return uint256 value from byte array.\n function readUint256(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (uint256 result)\n {\n return uint256(readBytes32(b, index));\n }\n\n /// @dev Writes a uint256 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input uint256 to put into byte array.\n function writeUint256(\n bytes memory b,\n uint256 index,\n uint256 input\n )\n internal\n pure\n {\n writeBytes32(b, index, bytes32(input));\n }\n\n /// @dev Reads an unpadded bytes4 value from a position in a byte array.\n /// @param b Byte array containing a bytes4 value.\n /// @param index Index in byte array of bytes4 value.\n /// @return bytes4 value from byte array.\n function readBytes4(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes4 result)\n {\n require(\n b.length >= index + 4,\n \"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED\"\n );\n assembly {\n result := mload(add(b, 32))\n // Solidity does not require us to clean the trailing bytes.\n // We do it anyway\n result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)\n }\n return result;\n }\n\n /// @dev Reads nested bytes from a specific position.\n /// @dev NOTE: the returned value overlaps with the input value.\n /// Both should be treated as immutable.\n /// @param b Byte array containing nested bytes.\n /// @param index Index of nested bytes.\n /// @return result Nested bytes.\n function readBytesWithLength(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes memory result)\n {\n // Read length of nested bytes\n uint256 nestedBytesLength = readUint256(b, index);\n index += 32;\n\n // Assert length of is valid, given\n // length of nested bytes\n require(\n b.length >= index + nestedBytesLength,\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n \n // Return a pointer to the byte array as it exists inside `b`\n assembly {\n result := add(b, index)\n }\n return result;\n }\n\n /// @dev Inserts bytes at a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes to insert.\n function writeBytesWithLength(\n bytes memory b,\n uint256 index,\n bytes memory input\n )\n internal\n pure\n {\n // Assert length of is valid, given\n // length of input\n require(\n b.length >= index + 32 + input.length, // 32 bytes to store length\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n\n // Copy into \n memCopy(\n b.contentAddress() + index,\n input.rawAddress(), // includes length of \n input.length + 32 // +32 bytes to store length\n );\n }\n\n /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length.\n /// @param dest Byte array that will be overwritten with source bytes.\n /// @param source Byte array to copy onto dest bytes.\n function deepCopyBytes(\n bytes memory dest,\n bytes memory source\n )\n internal\n pure\n {\n uint256 sourceLen = source.length;\n // Dest length must be >= source length, or some bytes would not be copied.\n require(\n dest.length >= sourceLen,\n \"GREATER_OR_EQUAL_TO_SOURCE_BYTES_LENGTH_REQUIRED\"\n );\n memCopy(\n dest.contentAddress(),\n source.contentAddress(),\n sourceLen\n );\n }\n}\n", - "2.0.0/utils/Ownable/IOwnable.sol": "pragma solidity 0.4.24;\n\n/*\n * Ownable\n *\n * Base contract with an owner.\n * Provides onlyOwner modifier, which prevents function from running if it is called by anyone other than the owner.\n */\n\ncontract IOwnable {\n function transferOwnership(address newOwner)\n public;\n}\n", - "2.0.0/utils/Ownable/Ownable.sol": "pragma solidity 0.4.24;\n\n/*\n * Ownable\n *\n * Base contract with an owner.\n * Provides onlyOwner modifier, which prevents function from running if it is called by anyone other than the owner.\n */\n\nimport \"./IOwnable.sol\";\n\n\ncontract Ownable is IOwnable {\n address public owner;\n\n constructor ()\n public\n {\n owner = msg.sender;\n }\n\n modifier onlyOwner() {\n require(\n msg.sender == owner,\n \"ONLY_CONTRACT_OWNER\"\n );\n _;\n }\n\n function transferOwnership(address newOwner)\n public\n onlyOwner\n {\n if (newOwner != address(0)) {\n owner = newOwner;\n }\n }\n}\n", - "2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n function safeMul(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(\n c / a == b,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function safeDiv(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a / b;\n return c;\n }\n\n function safeSub(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n require(\n b <= a,\n \"UINT256_UNDERFLOW\"\n );\n return a - b;\n }\n\n function safeAdd(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a + b;\n require(\n c >= a,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function max64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n\n function max256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n}\n" - }, - "sourceTreeHashHex": "0x70b7d3c15ab87e6b4b1011d194282163232dfd88486038e4120d6bf245d58e44", - "compiler": { - "name": "solc", - "version": "soljson-v0.4.24+commit.e67f0147.js", - "settings": { - "optimizer": { - "enabled": true, - "runs": 1000000 - }, - "outputSelection": { - "*": { - "*": [ - "abi", - "evm.bytecode.object", - "evm.bytecode.sourceMap", - "evm.deployedBytecode.object", - "evm.deployedBytecode.sourceMap" - ] - } - } - } - }, - "networks": {} -} \ No newline at end of file diff --git a/packages/migrations/artifacts/2.0.0-mainnet/OrderValidator.json b/packages/migrations/artifacts/2.0.0-mainnet/OrderValidator.json deleted file mode 100644 index c6af06d9c..000000000 --- a/packages/migrations/artifacts/2.0.0-mainnet/OrderValidator.json +++ /dev/null @@ -1,858 +0,0 @@ -{ - "schemaVersion": "2.0.0", - "contractName": "OrderValidator", - "compilerOutput": { - "abi": [ - { - "constant": true, - "inputs": [ - { - "components": [ - { - "name": "makerAddress", - "type": "address" - }, - { - "name": "takerAddress", - "type": "address" - }, - { - "name": "feeRecipientAddress", - "type": "address" - }, - { - "name": "senderAddress", - "type": "address" - }, - { - "name": "makerAssetAmount", - "type": "uint256" - }, - { - "name": "takerAssetAmount", - "type": "uint256" - }, - { - "name": "makerFee", - "type": "uint256" - }, - { - "name": "takerFee", - "type": "uint256" - }, - { - "name": "expirationTimeSeconds", - "type": "uint256" - }, - { - "name": "salt", - "type": "uint256" - }, - { - "name": "makerAssetData", - "type": "bytes" - }, - { - "name": "takerAssetData", - "type": "bytes" - } - ], - "name": "order", - "type": "tuple" - }, - { - "name": "takerAddress", - "type": "address" - } - ], - "name": "getOrderAndTraderInfo", - "outputs": [ - { - "components": [ - { - "name": "orderStatus", - "type": "uint8" - }, - { - "name": "orderHash", - "type": "bytes32" - }, - { - "name": "orderTakerAssetFilledAmount", - "type": "uint256" - } - ], - "name": "orderInfo", - "type": "tuple" - }, - { - "components": [ - { - "name": "makerBalance", - "type": "uint256" - }, - { - "name": "makerAllowance", - "type": "uint256" - }, - { - "name": "takerBalance", - "type": "uint256" - }, - { - "name": "takerAllowance", - "type": "uint256" - }, - { - "name": "makerZrxBalance", - "type": "uint256" - }, - { - "name": "makerZrxAllowance", - "type": "uint256" - }, - { - "name": "takerZrxBalance", - "type": "uint256" - }, - { - "name": "takerZrxAllowance", - "type": "uint256" - } - ], - "name": "traderInfo", - "type": "tuple" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "target", - "type": "address" - }, - { - "name": "assetData", - "type": "bytes" - } - ], - "name": "getBalanceAndAllowance", - "outputs": [ - { - "name": "balance", - "type": "uint256" - }, - { - "name": "allowance", - "type": "uint256" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "components": [ - { - "name": "makerAddress", - "type": "address" - }, - { - "name": "takerAddress", - "type": "address" - }, - { - "name": "feeRecipientAddress", - "type": "address" - }, - { - "name": "senderAddress", - "type": "address" - }, - { - "name": "makerAssetAmount", - "type": "uint256" - }, - { - "name": "takerAssetAmount", - "type": "uint256" - }, - { - "name": "makerFee", - "type": "uint256" - }, - { - "name": "takerFee", - "type": "uint256" - }, - { - "name": "expirationTimeSeconds", - "type": "uint256" - }, - { - "name": "salt", - "type": "uint256" - }, - { - "name": "makerAssetData", - "type": "bytes" - }, - { - "name": "takerAssetData", - "type": "bytes" - } - ], - "name": "orders", - "type": "tuple[]" - }, - { - "name": "takerAddresses", - "type": "address[]" - } - ], - "name": "getOrdersAndTradersInfo", - "outputs": [ - { - "components": [ - { - "name": "orderStatus", - "type": "uint8" - }, - { - "name": "orderHash", - "type": "bytes32" - }, - { - "name": "orderTakerAssetFilledAmount", - "type": "uint256" - } - ], - "name": "ordersInfo", - "type": "tuple[]" - }, - { - "components": [ - { - "name": "makerBalance", - "type": "uint256" - }, - { - "name": "makerAllowance", - "type": "uint256" - }, - { - "name": "takerBalance", - "type": "uint256" - }, - { - "name": "takerAllowance", - "type": "uint256" - }, - { - "name": "makerZrxBalance", - "type": "uint256" - }, - { - "name": "makerZrxAllowance", - "type": "uint256" - }, - { - "name": "takerZrxBalance", - "type": "uint256" - }, - { - "name": "takerZrxAllowance", - "type": "uint256" - } - ], - "name": "tradersInfo", - "type": "tuple[]" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "components": [ - { - "name": "makerAddress", - "type": "address" - }, - { - "name": "takerAddress", - "type": "address" - }, - { - "name": "feeRecipientAddress", - "type": "address" - }, - { - "name": "senderAddress", - "type": "address" - }, - { - "name": "makerAssetAmount", - "type": "uint256" - }, - { - "name": "takerAssetAmount", - "type": "uint256" - }, - { - "name": "makerFee", - "type": "uint256" - }, - { - "name": "takerFee", - "type": "uint256" - }, - { - "name": "expirationTimeSeconds", - "type": "uint256" - }, - { - "name": "salt", - "type": "uint256" - }, - { - "name": "makerAssetData", - "type": "bytes" - }, - { - "name": "takerAssetData", - "type": "bytes" - } - ], - "name": "orders", - "type": "tuple[]" - }, - { - "name": "takerAddresses", - "type": "address[]" - } - ], - "name": "getTradersInfo", - "outputs": [ - { - "components": [ - { - "name": "makerBalance", - "type": "uint256" - }, - { - "name": "makerAllowance", - "type": "uint256" - }, - { - "name": "takerBalance", - "type": "uint256" - }, - { - "name": "takerAllowance", - "type": "uint256" - }, - { - "name": "makerZrxBalance", - "type": "uint256" - }, - { - "name": "makerZrxAllowance", - "type": "uint256" - }, - { - "name": "takerZrxBalance", - "type": "uint256" - }, - { - "name": "takerZrxAllowance", - "type": "uint256" - } - ], - "name": "", - "type": "tuple[]" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "token", - "type": "address" - }, - { - "name": "tokenId", - "type": "uint256" - } - ], - "name": "getERC721TokenOwner", - "outputs": [ - { - "name": "owner", - "type": "address" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "target", - "type": "address" - }, - { - "name": "assetData", - "type": "bytes[]" - } - ], - "name": "getBalancesAndAllowances", - "outputs": [ - { - "name": "", - "type": "uint256[]" - }, - { - "name": "", - "type": "uint256[]" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "components": [ - { - "name": "makerAddress", - "type": "address" - }, - { - "name": "takerAddress", - "type": "address" - }, - { - "name": "feeRecipientAddress", - "type": "address" - }, - { - "name": "senderAddress", - "type": "address" - }, - { - "name": "makerAssetAmount", - "type": "uint256" - }, - { - "name": "takerAssetAmount", - "type": "uint256" - }, - { - "name": "makerFee", - "type": "uint256" - }, - { - "name": "takerFee", - "type": "uint256" - }, - { - "name": "expirationTimeSeconds", - "type": "uint256" - }, - { - "name": "salt", - "type": "uint256" - }, - { - "name": "makerAssetData", - "type": "bytes" - }, - { - "name": "takerAssetData", - "type": "bytes" - } - ], - "name": "order", - "type": "tuple" - }, - { - "name": "takerAddress", - "type": "address" - } - ], - "name": "getTraderInfo", - "outputs": [ - { - "components": [ - { - "name": "makerBalance", - "type": "uint256" - }, - { - "name": "makerAllowance", - "type": "uint256" - }, - { - "name": "takerBalance", - "type": "uint256" - }, - { - "name": "takerAllowance", - "type": "uint256" - }, - { - "name": "makerZrxBalance", - "type": "uint256" - }, - { - "name": "makerZrxAllowance", - "type": "uint256" - }, - { - "name": "takerZrxBalance", - "type": "uint256" - }, - { - "name": "takerZrxAllowance", - "type": "uint256" - } - ], - "name": "traderInfo", - "type": "tuple" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "inputs": [ - { - "name": "_exchange", - "type": "address" - }, - { - "name": "_zrxAssetData", - "type": "bytes" - } - ], - "payable": false, - "stateMutability": "nonpayable", - "type": "constructor" - } - ], - "evm": { - "bytecode": { - "linkReferences": {}, - "object": 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0xE3 JUMPI DUP3 MLOAD DUP3 SSTORE SWAP2 PUSH1 0x20 ADD SWAP2 SWAP1 PUSH1 0x1 ADD SWAP1 PUSH3 0xC6 JUMP JUMPDEST POP PUSH3 0xF1 SWAP3 SWAP2 POP PUSH3 0xF5 JUMP JUMPDEST POP SWAP1 JUMP JUMPDEST PUSH3 0x112 SWAP2 SWAP1 JUMPDEST DUP1 DUP3 GT ISZERO PUSH3 0xF1 JUMPI PUSH1 0x0 DUP2 SSTORE PUSH1 0x1 ADD PUSH3 0xFC JUMP JUMPDEST SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH3 0x123 DUP3 MLOAD PUSH3 0x22C JUMP JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH3 0x13C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 MLOAD PUSH3 0x153 PUSH3 0x14D DUP3 PUSH3 0x204 JUMP JUMPDEST PUSH3 0x1DD JUMP JUMPDEST SWAP2 POP DUP1 DUP3 MSTORE PUSH1 0x20 DUP4 ADD PUSH1 0x20 DUP4 ADD DUP6 DUP4 DUP4 ADD GT ISZERO PUSH3 0x170 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH3 0x17D DUP4 DUP3 DUP5 PUSH3 0x238 JUMP JUMPDEST POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH3 0x19A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH3 0x1A8 DUP6 DUP6 PUSH3 0x115 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 DUP4 ADD MLOAD PUSH1 0x1 PUSH1 0x40 PUSH1 0x2 EXP SUB DUP2 GT ISZERO PUSH3 0x1C5 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH3 0x1D3 DUP6 DUP3 DUP7 ADD PUSH3 0x12A JUMP JUMPDEST SWAP2 POP POP SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x40 MLOAD DUP2 DUP2 ADD PUSH1 0x1 PUSH1 0x40 PUSH1 0x2 EXP SUB DUP2 GT DUP3 DUP3 LT OR ISZERO PUSH3 0x1FC JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x40 MSTORE SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1 PUSH1 0x40 PUSH1 0x2 EXP SUB DUP3 GT ISZERO PUSH3 0x21B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x20 PUSH1 0x1F SWAP2 SWAP1 SWAP2 ADD PUSH1 0x1F NOT AND ADD SWAP1 JUMP JUMPDEST PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB AND SWAP1 JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH3 0x255 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH3 0x23B JUMP JUMPDEST DUP4 DUP2 GT ISZERO PUSH3 0x265 JUMPI PUSH1 0x0 DUP5 DUP5 ADD MSTORE JUMPDEST POP POP POP POP JUMP JUMPDEST PUSH2 0x1ABF DUP1 PUSH3 0x27B PUSH1 0x0 CODECOPY PUSH1 0x0 RETURN STOP PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0x82 JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x4AD1E53 DUP2 EQ PUSH2 0x87 JUMPI DUP1 PUSH4 0x2CD0FC73 EQ PUSH2 0xBE JUMPI DUP1 PUSH4 0x4B95DE13 EQ PUSH2 0xEC JUMPI DUP1 PUSH4 0x690D3114 EQ PUSH2 0x11A JUMPI DUP1 PUSH4 0xB6988463 EQ PUSH2 0x147 JUMPI DUP1 PUSH4 0xC6B7F4EE EQ PUSH2 0x174 JUMPI DUP1 PUSH4 0xF241FFB0 EQ PUSH2 0x1A2 JUMPI JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x93 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xA7 PUSH2 0xA2 CALLDATASIZE PUSH1 0x4 PUSH2 0x12D3 JUMP JUMPDEST PUSH2 0x1CF JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xB5 SWAP3 SWAP2 SWAP1 PUSH2 0x18DC JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xCA JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xDE PUSH2 0xD9 CALLDATASIZE PUSH1 0x4 PUSH2 0x118B JUMP JUMPDEST PUSH2 0x29C JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xB5 SWAP3 SWAP2 SWAP1 PUSH2 0x1926 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xF8 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x10C PUSH2 0x107 CALLDATASIZE PUSH1 0x4 PUSH2 0x1238 JUMP JUMPDEST PUSH2 0x7CD JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xB5 SWAP3 SWAP2 SWAP1 PUSH2 0x1822 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x126 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x13A PUSH2 0x135 CALLDATASIZE PUSH1 0x4 PUSH2 0x1238 JUMP JUMPDEST PUSH2 0x8A4 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xB5 SWAP2 SWAP1 PUSH2 0x1858 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x153 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x167 PUSH2 0x162 CALLDATASIZE PUSH1 0x4 PUSH2 0x11D3 JUMP JUMPDEST PUSH2 0x95E JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xB5 SWAP2 SWAP1 PUSH2 0x17F9 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x180 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x194 PUSH2 0x18F CALLDATASIZE PUSH1 0x4 PUSH2 0x1139 JUMP JUMPDEST PUSH2 0x9A9 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xB5 SWAP3 SWAP2 SWAP1 PUSH2 0x1869 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1AE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1C2 PUSH2 0x1BD CALLDATASIZE PUSH1 0x4 PUSH2 0x12D3 JUMP JUMPDEST PUSH2 0xA86 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xB5 SWAP2 SWAP1 PUSH2 0x1909 JUMP JUMPDEST PUSH2 0x1D7 PUSH2 0xCD0 JUMP JUMPDEST PUSH2 0x1DF PUSH2 0xCF0 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0x40 MLOAD PUSH32 0xC75E0A8100000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP2 AND SWAP1 PUSH4 0xC75E0A81 SWAP1 PUSH2 0x235 SWAP1 DUP8 SWAP1 PUSH1 0x4 ADD PUSH2 0x18F8 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x24F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x263 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x287 SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x12B5 JUMP JUMPDEST SWAP2 POP PUSH2 0x293 DUP5 DUP5 PUSH2 0xA86 JUMP JUMPDEST SWAP1 POP SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 DUP1 DUP1 DUP1 DUP1 DUP1 PUSH2 0x2B5 DUP10 DUP3 PUSH4 0xFFFFFFFF PUSH2 0xBA4 AND JUMP JUMPDEST SWAP6 POP PUSH2 0x2C8 DUP10 PUSH1 0x10 PUSH4 0xFFFFFFFF PUSH2 0xC11 AND JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0x40 MLOAD PUSH32 0x6070410800000000000000000000000000000000000000000000000000000000 DUP2 MSTORE SWAP2 SWAP7 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 PUSH4 0x60704108 SWAP1 PUSH2 0x31F SWAP1 DUP10 SWAP1 PUSH1 0x4 ADD PUSH2 0x188E JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x339 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x34D JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x371 SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x1113 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x4552433230546F6B656E28616464726573732900000000000000000000000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x13 ADD SWAP1 KECCAK256 SWAP1 SWAP5 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP8 DUP2 AND SWAP2 AND EQ ISZERO PUSH2 0x526 JUMPI PUSH1 0x40 MLOAD PUSH32 0x70A0823100000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 AND SWAP1 PUSH4 0x70A08231 SWAP1 PUSH2 0x424 SWAP1 DUP14 SWAP1 PUSH1 0x4 ADD PUSH2 0x17F9 JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x43E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x452 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x476 SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x131A JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH32 0xDD62ED3E00000000000000000000000000000000000000000000000000000000 DUP2 MSTORE SWAP1 SWAP9 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 AND SWAP1 PUSH4 0xDD62ED3E SWAP1 PUSH2 0x4CD SWAP1 DUP14 SWAP1 DUP9 SWAP1 PUSH1 0x4 ADD PUSH2 0x1807 JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x4E7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x4FB JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x51F SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x131A JUMP JUMPDEST SWAP7 POP PUSH2 0x7C0 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x455243373231546F6B656E28616464726573732C75696E743235362900000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x1C ADD SWAP1 KECCAK256 PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP8 DUP2 AND SWAP2 AND EQ ISZERO PUSH2 0x785 JUMPI PUSH2 0x595 DUP10 PUSH1 0x24 PUSH4 0xFFFFFFFF PUSH2 0xC72 AND JUMP JUMPDEST SWAP3 POP PUSH2 0x5A1 DUP6 DUP5 PUSH2 0x95E JUMP JUMPDEST SWAP2 POP DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP11 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ PUSH2 0x5DD JUMPI PUSH1 0x0 PUSH2 0x5E0 JUMP JUMPDEST PUSH1 0x1 JUMPDEST PUSH1 0xFF AND SWAP8 POP DUP5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH4 0xE985E9C5 DUP12 DUP7 PUSH1 0x40 MLOAD DUP4 PUSH4 0xFFFFFFFF AND PUSH29 0x100000000000000000000000000000000000000000000000000000000 MUL DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x63C SWAP3 SWAP2 SWAP1 PUSH2 0x1807 JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x656 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x66A JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x68E SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x1297 JUMP JUMPDEST DUP1 PUSH2 0x76A JUMPI POP DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH4 0x81812FC DUP6 PUSH1 0x40 MLOAD DUP3 PUSH4 0xFFFFFFFF AND PUSH29 0x100000000000000000000000000000000000000000000000000000000 MUL DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x700 SWAP2 SWAP1 PUSH2 0x1918 JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x71A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x72E JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x752 SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x1113 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ JUMPDEST SWAP1 POP DUP1 PUSH2 0x778 JUMPI PUSH1 0x0 PUSH2 0x77B JUMP JUMPDEST PUSH1 0x1 JUMPDEST PUSH1 0xFF AND SWAP7 POP PUSH2 0x7C0 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x7B7 SWAP1 PUSH2 0x18AC JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST POP POP POP POP POP POP SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0x40 MLOAD PUSH32 0x7E9D74DC00000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x60 SWAP2 DUP3 SWAP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP2 AND SWAP1 PUSH4 0x7E9D74DC SWAP1 PUSH2 0x828 SWAP1 DUP8 SWAP1 PUSH1 0x4 ADD PUSH2 0x1847 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x842 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x856 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x0 DUP3 RETURNDATACOPY PUSH1 0x1F RETURNDATASIZE SWAP1 DUP2 ADD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 AND DUP3 ADD PUSH1 0x40 MSTORE PUSH2 0x89C SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x1203 JUMP JUMPDEST SWAP2 POP PUSH2 0x293 DUP5 DUP5 JUMPDEST PUSH1 0x60 PUSH1 0x0 PUSH1 0x60 PUSH1 0x0 DUP6 MLOAD SWAP3 POP DUP3 PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x8EA JUMPI DUP2 PUSH1 0x20 ADD JUMPDEST PUSH2 0x8D7 PUSH2 0xCF0 JUMP JUMPDEST DUP2 MSTORE PUSH1 0x20 ADD SWAP1 PUSH1 0x1 SWAP1 SUB SWAP1 DUP2 PUSH2 0x8CF JUMPI SWAP1 POP JUMPDEST POP SWAP2 POP PUSH1 0x0 SWAP1 POP JUMPDEST DUP1 DUP4 EQ PUSH2 0x951 JUMPI PUSH2 0x931 DUP7 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x90A JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP7 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x922 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0xA86 JUMP JUMPDEST DUP3 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x93F JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MSTORE PUSH1 0x1 ADD PUSH2 0x8F2 JUMP JUMPDEST DUP2 SWAP4 POP JUMPDEST POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x40 MLOAD PUSH32 0x6352211E00000000000000000000000000000000000000000000000000000000 DUP2 MSTORE DUP3 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x20 DUP2 PUSH1 0x24 DUP4 DUP8 GAS STATICCALL DUP1 ISZERO PUSH2 0x9A0 JUMPI DUP2 MLOAD SWAP3 POP JUMPDEST POP POP JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x0 PUSH1 0x60 DUP1 PUSH1 0x0 DUP7 MLOAD SWAP4 POP DUP4 PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x9E1 JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP3 POP DUP4 PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0xA0E JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP2 POP PUSH1 0x0 SWAP1 POP JUMPDEST DUP1 DUP5 EQ PUSH2 0xA79 JUMPI PUSH2 0xA3E DUP9 DUP9 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA2F JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x29C JUMP JUMPDEST DUP5 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA4C JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD DUP5 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA63 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD SWAP2 SWAP1 SWAP2 MSTORE MSTORE PUSH1 0x1 ADD PUSH2 0xA16 JUMP JUMPDEST POP SWAP1 SWAP7 SWAP1 SWAP6 POP SWAP4 POP POP POP POP JUMP JUMPDEST PUSH2 0xA8E PUSH2 0xCF0 JUMP JUMPDEST PUSH1 0x60 PUSH2 0xAA3 DUP5 PUSH1 0x0 ADD MLOAD DUP6 PUSH2 0x140 ADD MLOAD PUSH2 0x29C JUMP JUMPDEST PUSH1 0x20 DUP5 ADD MSTORE DUP3 MSTORE PUSH2 0x160 DUP5 ADD MLOAD PUSH2 0xABB SWAP1 DUP5 SWAP1 PUSH2 0x29C JUMP JUMPDEST PUSH1 0x60 DUP5 ADD MSTORE PUSH1 0x40 DUP1 DUP5 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0x1 DUP1 SLOAD DUP3 MLOAD PUSH1 0x20 PUSH1 0x1F PUSH1 0x2 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH2 0x100 DUP7 DUP9 AND ISZERO MUL ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV SWAP3 DUP4 ADD DUP2 SWAP1 DIV DUP2 MUL DUP3 ADD DUP2 ADD SWAP1 SWAP5 MSTORE DUP2 DUP2 MSTORE SWAP3 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0xB6A JUMPI DUP1 PUSH1 0x1F LT PUSH2 0xB3F JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0xB6A JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0xB4D JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP SWAP1 POP PUSH2 0xB7F DUP5 PUSH1 0x0 ADD MLOAD DUP3 PUSH2 0x29C JUMP JUMPDEST PUSH1 0xA0 DUP5 ADD MSTORE PUSH1 0x80 DUP4 ADD MSTORE PUSH2 0xB93 DUP4 DUP3 PUSH2 0x29C JUMP JUMPDEST PUSH1 0xE0 DUP5 ADD MSTORE PUSH1 0xC0 DUP4 ADD MSTORE POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x4 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0xBE6 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x7B7 SWAP1 PUSH2 0x18CC JUMP JUMPDEST POP ADD PUSH1 0x20 ADD MLOAD PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x14 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0xC53 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x7B7 SWAP1 PUSH2 0x18BC JUMP JUMPDEST POP ADD PUSH1 0x14 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP4 DUP4 PUSH2 0xC85 JUMP JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x20 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0xCC7 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x7B7 SWAP1 PUSH2 0x189C JUMP JUMPDEST POP ADD PUSH1 0x20 ADD MLOAD SWAP1 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x60 DUP2 ADD DUP3 MSTORE PUSH1 0x0 DUP1 DUP3 MSTORE PUSH1 0x20 DUP3 ADD DUP2 SWAP1 MSTORE SWAP2 DUP2 ADD SWAP2 SWAP1 SWAP2 MSTORE SWAP1 JUMP JUMPDEST PUSH2 0x100 PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE POP SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP3 CALLDATALOAD PUSH2 0x19D9 JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP3 MLOAD PUSH2 0x19D9 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0xD5F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0xD72 PUSH2 0xD6D DUP3 PUSH2 0x1968 JUMP JUMPDEST PUSH2 0x1941 JUMP JUMPDEST SWAP2 POP DUP2 DUP2 DUP4 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH1 0x20 DUP2 ADD SWAP1 POP DUP4 DUP6 PUSH1 0x20 DUP5 MUL DUP3 ADD GT ISZERO PUSH2 0xD97 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0xDC3 JUMPI DUP2 PUSH2 0xDAD DUP9 DUP3 PUSH2 0xD36 JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0xD9A JUMP JUMPDEST POP POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0xDDE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0xDEC PUSH2 0xD6D DUP3 PUSH2 0x1968 JUMP JUMPDEST DUP2 DUP2 MSTORE PUSH1 0x20 SWAP4 DUP5 ADD SWAP4 SWAP1 SWAP3 POP DUP3 ADD DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0xDC3 JUMPI DUP2 CALLDATALOAD DUP7 ADD PUSH2 0xE14 DUP9 DUP3 PUSH2 0xF11 JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0xDFE JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0xE3B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 MLOAD PUSH2 0xE49 PUSH2 0xD6D DUP3 PUSH2 0x1968 JUMP JUMPDEST SWAP2 POP DUP2 DUP2 DUP4 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH1 0x20 DUP2 ADD SWAP1 POP DUP4 DUP6 PUSH1 0x60 DUP5 MUL DUP3 ADD GT ISZERO PUSH2 0xE6E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0xDC3 JUMPI DUP2 PUSH2 0xE84 DUP9 DUP3 PUSH2 0xF57 JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x60 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0xE71 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0xEAD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0xEBB PUSH2 0xD6D DUP3 PUSH2 0x1968 JUMP JUMPDEST DUP2 DUP2 MSTORE PUSH1 0x20 SWAP4 DUP5 ADD SWAP4 SWAP1 SWAP3 POP DUP3 ADD DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0xDC3 JUMPI DUP2 CALLDATALOAD DUP7 ADD PUSH2 0xEE3 DUP9 DUP3 PUSH2 0xFB2 JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0xECD JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP3 MLOAD PUSH2 0x1A20 JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP3 MLOAD PUSH2 0x19F2 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0xF22 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0xF30 PUSH2 0xD6D DUP3 PUSH2 0x1989 JUMP JUMPDEST SWAP2 POP DUP1 DUP3 MSTORE PUSH1 0x20 DUP4 ADD PUSH1 0x20 DUP4 ADD DUP6 DUP4 DUP4 ADD GT ISZERO PUSH2 0xF4C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x955 DUP4 DUP3 DUP5 PUSH2 0x1A25 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x60 DUP3 DUP5 SUB SLT ISZERO PUSH2 0xF69 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0xF73 PUSH1 0x60 PUSH2 0x1941 JUMP JUMPDEST SWAP1 POP PUSH1 0x0 PUSH2 0xF81 DUP5 DUP5 PUSH2 0x1107 JUMP JUMPDEST DUP3 MSTORE POP PUSH1 0x20 PUSH2 0xF92 DUP5 DUP5 DUP4 ADD PUSH2 0xF05 JUMP JUMPDEST PUSH1 0x20 DUP4 ADD MSTORE POP PUSH1 0x40 PUSH2 0xFA6 DUP5 DUP3 DUP6 ADD PUSH2 0xF05 JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MSTORE POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x180 DUP3 DUP5 SUB SLT ISZERO PUSH2 0xFC5 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0xFD0 PUSH2 0x180 PUSH2 0x1941 JUMP JUMPDEST SWAP1 POP PUSH1 0x0 PUSH2 0xFDE DUP5 DUP5 PUSH2 0xD36 JUMP JUMPDEST DUP3 MSTORE POP PUSH1 0x20 PUSH2 0xFEF DUP5 DUP5 DUP4 ADD PUSH2 0xD36 JUMP JUMPDEST PUSH1 0x20 DUP4 ADD MSTORE POP PUSH1 0x40 PUSH2 0x1003 DUP5 DUP3 DUP6 ADD PUSH2 0xD36 JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MSTORE POP PUSH1 0x60 PUSH2 0x1017 DUP5 DUP3 DUP6 ADD PUSH2 0xD36 JUMP JUMPDEST PUSH1 0x60 DUP4 ADD MSTORE POP PUSH1 0x80 PUSH2 0x102B DUP5 DUP3 DUP6 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH1 0x80 DUP4 ADD MSTORE POP PUSH1 0xA0 PUSH2 0x103F DUP5 DUP3 DUP6 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH1 0xA0 DUP4 ADD MSTORE POP PUSH1 0xC0 PUSH2 0x1053 DUP5 DUP3 DUP6 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH1 0xC0 DUP4 ADD MSTORE POP PUSH1 0xE0 PUSH2 0x1067 DUP5 DUP3 DUP6 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH1 0xE0 DUP4 ADD MSTORE POP PUSH2 0x100 PUSH2 0x107C DUP5 DUP3 DUP6 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH2 0x100 DUP4 ADD MSTORE POP PUSH2 0x120 PUSH2 0x1092 DUP5 DUP3 DUP6 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH2 0x120 DUP4 ADD MSTORE POP PUSH2 0x140 DUP3 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x10B4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x10C0 DUP5 DUP3 DUP6 ADD PUSH2 0xF11 JUMP JUMPDEST PUSH2 0x140 DUP4 ADD MSTORE POP PUSH2 0x160 DUP3 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x10E2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x10EE DUP5 DUP3 DUP6 ADD PUSH2 0xF11 JUMP JUMPDEST PUSH2 0x160 DUP4 ADD MSTORE POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP3 CALLDATALOAD PUSH2 0x19F2 JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP3 MLOAD PUSH2 0x1A1A JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x1125 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x1131 DUP5 DUP5 PUSH2 0xD42 JUMP JUMPDEST SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x114C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x1158 DUP6 DUP6 PUSH2 0xD36 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 DUP4 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1175 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1181 DUP6 DUP3 DUP7 ADD PUSH2 0xDCD JUMP JUMPDEST SWAP2 POP POP SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x119E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x11AA DUP6 DUP6 PUSH2 0xD36 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 DUP4 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x11C7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1181 DUP6 DUP3 DUP7 ADD PUSH2 0xF11 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x11E6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x11F2 DUP6 DUP6 PUSH2 0xD36 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 PUSH2 0x1181 DUP6 DUP3 DUP7 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x1215 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 MLOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x122C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1131 DUP5 DUP3 DUP6 ADD PUSH2 0xE2A JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x124B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP3 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1262 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x126E DUP6 DUP3 DUP7 ADD PUSH2 0xE9C JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 DUP4 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x128B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1181 DUP6 DUP3 DUP7 ADD PUSH2 0xD4E JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x12A9 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x1131 DUP5 DUP5 PUSH2 0xEF9 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x60 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x12C7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x1131 DUP5 DUP5 PUSH2 0xF57 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x12E6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP3 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x12FD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1309 DUP6 DUP3 DUP7 ADD PUSH2 0xFB2 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 PUSH2 0x1181 DUP6 DUP3 DUP7 ADD PUSH2 0xD36 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x132C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x1131 DUP5 DUP5 PUSH2 0xF05 JUMP JUMPDEST PUSH2 0x1341 DUP2 PUSH2 0x19D9 JUMP JUMPDEST DUP3 MSTORE POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x1352 DUP3 PUSH2 0x19D5 JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH2 0x1364 DUP4 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP3 DUP2 LT ISZERO PUSH2 0x1394 JUMPI PUSH2 0x137A DUP7 DUP4 MLOAD PUSH2 0x1619 JUMP JUMPDEST PUSH2 0x1383 DUP3 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x60 SWAP7 SWAP1 SWAP7 ADD SWAP6 SWAP2 POP PUSH1 0x1 ADD PUSH2 0x1367 JUMP JUMPDEST POP SWAP4 SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x13A9 DUP3 PUSH2 0x19D5 JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP DUP4 PUSH1 0x20 DUP3 MUL DUP6 ADD PUSH2 0x13C2 DUP6 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP5 DUP2 LT ISZERO PUSH2 0x13F9 JUMPI DUP4 DUP4 SUB DUP9 MSTORE PUSH2 0x13DD DUP4 DUP4 MLOAD PUSH2 0x1656 JUMP JUMPDEST SWAP3 POP PUSH2 0x13E8 DUP3 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x20 SWAP9 SWAP1 SWAP9 ADD SWAP8 SWAP2 POP PUSH1 0x1 ADD PUSH2 0x13C5 JUMP JUMPDEST POP SWAP1 SWAP7 SWAP6 POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x1410 DUP3 PUSH2 0x19D5 JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH2 0x1422 DUP4 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP3 DUP2 LT ISZERO PUSH2 0x1394 JUMPI PUSH2 0x1438 DUP7 DUP4 MLOAD PUSH2 0x1759 JUMP JUMPDEST PUSH2 0x1441 DUP3 PUSH2 0x19CF JUMP JUMPDEST PUSH2 0x100 SWAP7 SWAP1 SWAP7 ADD SWAP6 SWAP2 POP PUSH1 0x1 ADD PUSH2 0x1425 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x145E DUP3 PUSH2 0x19D5 JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH2 0x1470 DUP4 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP3 DUP2 LT ISZERO PUSH2 0x1394 JUMPI PUSH2 0x1486 DUP7 DUP4 MLOAD PUSH2 0x14A0 JUMP JUMPDEST PUSH2 0x148F DUP3 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x20 SWAP7 SWAP1 SWAP7 ADD SWAP6 SWAP2 POP PUSH1 0x1 ADD PUSH2 0x1473 JUMP JUMPDEST PUSH2 0x1341 DUP2 PUSH2 0x19F2 JUMP JUMPDEST PUSH2 0x1341 DUP2 PUSH2 0x19F5 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x14BD DUP3 PUSH2 0x19D5 JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH2 0x14D1 DUP2 PUSH1 0x20 DUP7 ADD PUSH1 0x20 DUP7 ADD PUSH2 0x1A31 JUMP JUMPDEST PUSH2 0x14DA DUP2 PUSH2 0x1A5D JUMP JUMPDEST SWAP1 SWAP4 ADD PUSH1 0x20 ADD SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x26 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F33325F4C454E4754485F5245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5155495245440000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x17 DUP2 MSTORE PUSH32 0x554E535550504F525445445F41535345545F50524F5859000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x26 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F32305F4C454E4754485F5245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5155495245440000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x25 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F345F4C454E4754485F524551 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5549524544000000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST DUP1 MLOAD PUSH1 0x60 DUP4 ADD SWAP1 PUSH2 0x162A DUP5 DUP3 PUSH2 0x17F0 JUMP JUMPDEST POP PUSH1 0x20 DUP3 ADD MLOAD PUSH2 0x163D PUSH1 0x20 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0x40 DUP3 ADD MLOAD PUSH2 0x1650 PUSH1 0x40 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP POP POP POP JUMP JUMPDEST DUP1 MLOAD PUSH1 0x0 SWAP1 PUSH2 0x180 DUP5 ADD SWAP1 PUSH2 0x166B DUP6 DUP3 PUSH2 0x1338 JUMP JUMPDEST POP PUSH1 0x20 DUP4 ADD MLOAD PUSH2 0x167E PUSH1 0x20 DUP7 ADD DUP3 PUSH2 0x1338 JUMP JUMPDEST POP PUSH1 0x40 DUP4 ADD MLOAD PUSH2 0x1691 PUSH1 0x40 DUP7 ADD DUP3 PUSH2 0x1338 JUMP JUMPDEST POP PUSH1 0x60 DUP4 ADD MLOAD PUSH2 0x16A4 PUSH1 0x60 DUP7 ADD DUP3 PUSH2 0x1338 JUMP JUMPDEST POP PUSH1 0x80 DUP4 ADD MLOAD PUSH2 0x16B7 PUSH1 0x80 DUP7 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0xA0 DUP4 ADD MLOAD PUSH2 0x16CA PUSH1 0xA0 DUP7 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0xC0 DUP4 ADD MLOAD PUSH2 0x16DD PUSH1 0xC0 DUP7 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0xE0 DUP4 ADD MLOAD PUSH2 0x16F0 PUSH1 0xE0 DUP7 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH2 0x100 DUP4 ADD MLOAD PUSH2 0x1705 PUSH2 0x100 DUP7 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH2 0x120 DUP4 ADD MLOAD PUSH2 0x171A PUSH2 0x120 DUP7 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH2 0x140 DUP4 ADD MLOAD DUP5 DUP3 SUB PUSH2 0x140 DUP7 ADD MSTORE PUSH2 0x1734 DUP3 DUP3 PUSH2 0x14B2 JUMP JUMPDEST SWAP2 POP POP PUSH2 0x160 DUP4 ADD MLOAD DUP5 DUP3 SUB PUSH2 0x160 DUP7 ADD MSTORE PUSH2 0x1750 DUP3 DUP3 PUSH2 0x14B2 JUMP JUMPDEST SWAP6 SWAP5 POP POP POP POP POP JUMP JUMPDEST DUP1 MLOAD PUSH2 0x100 DUP4 ADD SWAP1 PUSH2 0x176B DUP5 DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0x20 DUP3 ADD MLOAD PUSH2 0x177E PUSH1 0x20 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0x40 DUP3 ADD MLOAD PUSH2 0x1791 PUSH1 0x40 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0x60 DUP3 ADD MLOAD PUSH2 0x17A4 PUSH1 0x60 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0x80 DUP3 ADD MLOAD PUSH2 0x17B7 PUSH1 0x80 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0xA0 DUP3 ADD MLOAD PUSH2 0x17CA PUSH1 0xA0 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0xC0 DUP3 ADD MLOAD PUSH2 0x17DD PUSH1 0xC0 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0xE0 DUP3 ADD MLOAD PUSH2 0x1650 PUSH1 0xE0 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST PUSH2 0x1341 DUP2 PUSH2 0x1A1A JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x9A3 DUP3 DUP5 PUSH2 0x1338 JUMP JUMPDEST PUSH1 0x40 DUP2 ADD PUSH2 0x1815 DUP3 DUP6 PUSH2 0x1338 JUMP JUMPDEST PUSH2 0xC7E PUSH1 0x20 DUP4 ADD DUP5 PUSH2 0x1338 JUMP JUMPDEST PUSH1 0x40 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x1833 DUP2 DUP6 PUSH2 0x1347 JUMP JUMPDEST SWAP1 POP DUP2 DUP2 SUB PUSH1 0x20 DUP4 ADD MSTORE PUSH2 0x1131 DUP2 DUP5 PUSH2 0x1405 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0xC7E DUP2 DUP5 PUSH2 0x139E JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0xC7E DUP2 DUP5 PUSH2 0x1405 JUMP JUMPDEST PUSH1 0x40 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x187A DUP2 DUP6 PUSH2 0x1453 JUMP JUMPDEST SWAP1 POP DUP2 DUP2 SUB PUSH1 0x20 DUP4 ADD MSTORE PUSH2 0x1131 DUP2 DUP5 PUSH2 0x1453 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x9A3 DUP3 DUP5 PUSH2 0x14A9 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x9A3 DUP2 PUSH2 0x14E7 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x9A3 DUP2 PUSH2 0x153D JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x9A3 DUP2 PUSH2 0x156D JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x9A3 DUP2 PUSH2 0x15C3 JUMP JUMPDEST PUSH2 0x160 DUP2 ADD PUSH2 0x18EB DUP3 DUP6 PUSH2 0x1619 JUMP JUMPDEST PUSH2 0xC7E PUSH1 0x60 DUP4 ADD DUP5 PUSH2 0x1759 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0xC7E DUP2 DUP5 PUSH2 0x1656 JUMP JUMPDEST PUSH2 0x100 DUP2 ADD PUSH2 0x9A3 DUP3 DUP5 PUSH2 0x1759 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x9A3 DUP3 DUP5 PUSH2 0x14A0 JUMP JUMPDEST PUSH1 0x40 DUP2 ADD PUSH2 0x1934 DUP3 DUP6 PUSH2 0x14A0 JUMP JUMPDEST PUSH2 0xC7E PUSH1 0x20 DUP4 ADD DUP5 PUSH2 0x14A0 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP2 DUP2 ADD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT DUP3 DUP3 LT OR ISZERO PUSH2 0x1960 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x40 MSTORE SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH8 0xFFFFFFFFFFFFFFFF DUP3 GT ISZERO PUSH2 0x197F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x20 SWAP1 DUP2 MUL ADD SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH8 0xFFFFFFFFFFFFFFFF DUP3 GT ISZERO PUSH2 0x19A0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x20 PUSH1 0x1F SWAP2 SWAP1 SWAP2 ADD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 AND ADD SWAP1 JUMP JUMPDEST PUSH1 0x20 ADD SWAP1 JUMP JUMPDEST MLOAD SWAP1 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST SWAP1 JUMP JUMPDEST PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND SWAP1 JUMP JUMPDEST PUSH1 0xFF AND SWAP1 JUMP JUMPDEST ISZERO ISZERO SWAP1 JUMP JUMPDEST DUP3 DUP2 DUP4 CALLDATACOPY POP PUSH1 0x0 SWAP2 ADD MSTORE JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x1A4C JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x1A34 JUMP JUMPDEST DUP4 DUP2 GT ISZERO PUSH2 0x1650 JUMPI POP POP PUSH1 0x0 SWAP2 ADD MSTORE JUMP JUMPDEST PUSH1 0x1F ADD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 AND SWAP1 JUMP STOP LOG2 PUSH6 0x627A7A723058 KECCAK256 0xd2 0xe9 PUSH31 0x29F930427E8936D11AF9A8EE1660886400D9687ABB10C976177F33449C6C65 PUSH25 0x706572696D656E74616CF50037000000000000000000000000 ", - "sourceMap": 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- "opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0x82 JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x4AD1E53 DUP2 EQ PUSH2 0x87 JUMPI DUP1 PUSH4 0x2CD0FC73 EQ PUSH2 0xBE JUMPI DUP1 PUSH4 0x4B95DE13 EQ PUSH2 0xEC JUMPI DUP1 PUSH4 0x690D3114 EQ PUSH2 0x11A JUMPI DUP1 PUSH4 0xB6988463 EQ PUSH2 0x147 JUMPI DUP1 PUSH4 0xC6B7F4EE EQ PUSH2 0x174 JUMPI DUP1 PUSH4 0xF241FFB0 EQ PUSH2 0x1A2 JUMPI JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x93 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xA7 PUSH2 0xA2 CALLDATASIZE PUSH1 0x4 PUSH2 0x12D3 JUMP JUMPDEST PUSH2 0x1CF JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xB5 SWAP3 SWAP2 SWAP1 PUSH2 0x18DC JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xCA JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xDE PUSH2 0xD9 CALLDATASIZE PUSH1 0x4 PUSH2 0x118B JUMP JUMPDEST PUSH2 0x29C JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xB5 SWAP3 SWAP2 SWAP1 PUSH2 0x1926 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xF8 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x10C PUSH2 0x107 CALLDATASIZE PUSH1 0x4 PUSH2 0x1238 JUMP JUMPDEST PUSH2 0x7CD JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xB5 SWAP3 SWAP2 SWAP1 PUSH2 0x1822 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x126 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x13A PUSH2 0x135 CALLDATASIZE PUSH1 0x4 PUSH2 0x1238 JUMP JUMPDEST PUSH2 0x8A4 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xB5 SWAP2 SWAP1 PUSH2 0x1858 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x153 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x167 PUSH2 0x162 CALLDATASIZE PUSH1 0x4 PUSH2 0x11D3 JUMP JUMPDEST PUSH2 0x95E JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xB5 SWAP2 SWAP1 PUSH2 0x17F9 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x180 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x194 PUSH2 0x18F CALLDATASIZE PUSH1 0x4 PUSH2 0x1139 JUMP JUMPDEST PUSH2 0x9A9 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xB5 SWAP3 SWAP2 SWAP1 PUSH2 0x1869 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1AE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1C2 PUSH2 0x1BD CALLDATASIZE PUSH1 0x4 PUSH2 0x12D3 JUMP JUMPDEST PUSH2 0xA86 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xB5 SWAP2 SWAP1 PUSH2 0x1909 JUMP JUMPDEST PUSH2 0x1D7 PUSH2 0xCD0 JUMP JUMPDEST PUSH2 0x1DF PUSH2 0xCF0 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0x40 MLOAD PUSH32 0xC75E0A8100000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP2 AND SWAP1 PUSH4 0xC75E0A81 SWAP1 PUSH2 0x235 SWAP1 DUP8 SWAP1 PUSH1 0x4 ADD PUSH2 0x18F8 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x24F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x263 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x287 SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x12B5 JUMP JUMPDEST SWAP2 POP PUSH2 0x293 DUP5 DUP5 PUSH2 0xA86 JUMP JUMPDEST SWAP1 POP SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 DUP1 DUP1 DUP1 DUP1 DUP1 PUSH2 0x2B5 DUP10 DUP3 PUSH4 0xFFFFFFFF PUSH2 0xBA4 AND JUMP JUMPDEST SWAP6 POP PUSH2 0x2C8 DUP10 PUSH1 0x10 PUSH4 0xFFFFFFFF PUSH2 0xC11 AND JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0x40 MLOAD PUSH32 0x6070410800000000000000000000000000000000000000000000000000000000 DUP2 MSTORE SWAP2 SWAP7 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 PUSH4 0x60704108 SWAP1 PUSH2 0x31F SWAP1 DUP10 SWAP1 PUSH1 0x4 ADD PUSH2 0x188E JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x339 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x34D JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x371 SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x1113 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x4552433230546F6B656E28616464726573732900000000000000000000000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x13 ADD SWAP1 KECCAK256 SWAP1 SWAP5 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP8 DUP2 AND SWAP2 AND EQ ISZERO PUSH2 0x526 JUMPI PUSH1 0x40 MLOAD PUSH32 0x70A0823100000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 AND SWAP1 PUSH4 0x70A08231 SWAP1 PUSH2 0x424 SWAP1 DUP14 SWAP1 PUSH1 0x4 ADD PUSH2 0x17F9 JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x43E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x452 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x476 SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x131A JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH32 0xDD62ED3E00000000000000000000000000000000000000000000000000000000 DUP2 MSTORE SWAP1 SWAP9 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 AND SWAP1 PUSH4 0xDD62ED3E SWAP1 PUSH2 0x4CD SWAP1 DUP14 SWAP1 DUP9 SWAP1 PUSH1 0x4 ADD PUSH2 0x1807 JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x4E7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x4FB JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x51F SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x131A JUMP JUMPDEST SWAP7 POP PUSH2 0x7C0 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x455243373231546F6B656E28616464726573732C75696E743235362900000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x1C ADD SWAP1 KECCAK256 PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP8 DUP2 AND SWAP2 AND EQ ISZERO PUSH2 0x785 JUMPI PUSH2 0x595 DUP10 PUSH1 0x24 PUSH4 0xFFFFFFFF PUSH2 0xC72 AND JUMP JUMPDEST SWAP3 POP PUSH2 0x5A1 DUP6 DUP5 PUSH2 0x95E JUMP JUMPDEST SWAP2 POP DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP11 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ PUSH2 0x5DD JUMPI PUSH1 0x0 PUSH2 0x5E0 JUMP JUMPDEST PUSH1 0x1 JUMPDEST PUSH1 0xFF AND SWAP8 POP DUP5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH4 0xE985E9C5 DUP12 DUP7 PUSH1 0x40 MLOAD DUP4 PUSH4 0xFFFFFFFF AND PUSH29 0x100000000000000000000000000000000000000000000000000000000 MUL DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x63C SWAP3 SWAP2 SWAP1 PUSH2 0x1807 JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x656 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x66A JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x68E SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x1297 JUMP JUMPDEST DUP1 PUSH2 0x76A JUMPI POP DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH4 0x81812FC DUP6 PUSH1 0x40 MLOAD DUP3 PUSH4 0xFFFFFFFF AND PUSH29 0x100000000000000000000000000000000000000000000000000000000 MUL DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x700 SWAP2 SWAP1 PUSH2 0x1918 JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x71A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x72E JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x752 SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x1113 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ JUMPDEST SWAP1 POP DUP1 PUSH2 0x778 JUMPI PUSH1 0x0 PUSH2 0x77B JUMP JUMPDEST PUSH1 0x1 JUMPDEST PUSH1 0xFF AND SWAP7 POP PUSH2 0x7C0 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x7B7 SWAP1 PUSH2 0x18AC JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST POP POP POP POP POP POP SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0x40 MLOAD PUSH32 0x7E9D74DC00000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x60 SWAP2 DUP3 SWAP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP2 AND SWAP1 PUSH4 0x7E9D74DC SWAP1 PUSH2 0x828 SWAP1 DUP8 SWAP1 PUSH1 0x4 ADD PUSH2 0x1847 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x842 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x856 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x0 DUP3 RETURNDATACOPY PUSH1 0x1F RETURNDATASIZE SWAP1 DUP2 ADD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 AND DUP3 ADD PUSH1 0x40 MSTORE PUSH2 0x89C SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x1203 JUMP JUMPDEST SWAP2 POP PUSH2 0x293 DUP5 DUP5 JUMPDEST PUSH1 0x60 PUSH1 0x0 PUSH1 0x60 PUSH1 0x0 DUP6 MLOAD SWAP3 POP DUP3 PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x8EA JUMPI DUP2 PUSH1 0x20 ADD JUMPDEST PUSH2 0x8D7 PUSH2 0xCF0 JUMP JUMPDEST DUP2 MSTORE PUSH1 0x20 ADD SWAP1 PUSH1 0x1 SWAP1 SUB SWAP1 DUP2 PUSH2 0x8CF JUMPI SWAP1 POP JUMPDEST POP SWAP2 POP PUSH1 0x0 SWAP1 POP JUMPDEST DUP1 DUP4 EQ PUSH2 0x951 JUMPI PUSH2 0x931 DUP7 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x90A JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP7 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x922 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0xA86 JUMP JUMPDEST DUP3 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x93F JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MSTORE PUSH1 0x1 ADD PUSH2 0x8F2 JUMP JUMPDEST DUP2 SWAP4 POP JUMPDEST POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x40 MLOAD PUSH32 0x6352211E00000000000000000000000000000000000000000000000000000000 DUP2 MSTORE DUP3 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x20 DUP2 PUSH1 0x24 DUP4 DUP8 GAS STATICCALL DUP1 ISZERO PUSH2 0x9A0 JUMPI DUP2 MLOAD SWAP3 POP JUMPDEST POP POP JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x0 PUSH1 0x60 DUP1 PUSH1 0x0 DUP7 MLOAD SWAP4 POP DUP4 PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x9E1 JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP3 POP DUP4 PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0xA0E JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP2 POP PUSH1 0x0 SWAP1 POP JUMPDEST DUP1 DUP5 EQ PUSH2 0xA79 JUMPI PUSH2 0xA3E DUP9 DUP9 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA2F JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x29C JUMP JUMPDEST DUP5 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA4C JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD DUP5 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA63 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD SWAP2 SWAP1 SWAP2 MSTORE MSTORE PUSH1 0x1 ADD PUSH2 0xA16 JUMP JUMPDEST POP SWAP1 SWAP7 SWAP1 SWAP6 POP SWAP4 POP POP POP POP JUMP JUMPDEST PUSH2 0xA8E PUSH2 0xCF0 JUMP JUMPDEST PUSH1 0x60 PUSH2 0xAA3 DUP5 PUSH1 0x0 ADD MLOAD DUP6 PUSH2 0x140 ADD MLOAD PUSH2 0x29C JUMP JUMPDEST PUSH1 0x20 DUP5 ADD MSTORE DUP3 MSTORE PUSH2 0x160 DUP5 ADD MLOAD PUSH2 0xABB SWAP1 DUP5 SWAP1 PUSH2 0x29C JUMP JUMPDEST PUSH1 0x60 DUP5 ADD MSTORE PUSH1 0x40 DUP1 DUP5 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0x1 DUP1 SLOAD DUP3 MLOAD PUSH1 0x20 PUSH1 0x1F PUSH1 0x2 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH2 0x100 DUP7 DUP9 AND ISZERO MUL ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV SWAP3 DUP4 ADD DUP2 SWAP1 DIV DUP2 MUL DUP3 ADD DUP2 ADD SWAP1 SWAP5 MSTORE DUP2 DUP2 MSTORE SWAP3 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0xB6A JUMPI DUP1 PUSH1 0x1F LT PUSH2 0xB3F JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0xB6A JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0xB4D JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP SWAP1 POP PUSH2 0xB7F DUP5 PUSH1 0x0 ADD MLOAD DUP3 PUSH2 0x29C JUMP JUMPDEST PUSH1 0xA0 DUP5 ADD MSTORE PUSH1 0x80 DUP4 ADD MSTORE PUSH2 0xB93 DUP4 DUP3 PUSH2 0x29C JUMP JUMPDEST PUSH1 0xE0 DUP5 ADD MSTORE PUSH1 0xC0 DUP4 ADD MSTORE POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x4 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0xBE6 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x7B7 SWAP1 PUSH2 0x18CC JUMP JUMPDEST POP ADD PUSH1 0x20 ADD MLOAD PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x14 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0xC53 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x7B7 SWAP1 PUSH2 0x18BC JUMP JUMPDEST POP ADD PUSH1 0x14 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP4 DUP4 PUSH2 0xC85 JUMP JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x20 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0xCC7 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x7B7 SWAP1 PUSH2 0x189C JUMP JUMPDEST POP ADD PUSH1 0x20 ADD MLOAD SWAP1 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x60 DUP2 ADD DUP3 MSTORE PUSH1 0x0 DUP1 DUP3 MSTORE PUSH1 0x20 DUP3 ADD DUP2 SWAP1 MSTORE SWAP2 DUP2 ADD SWAP2 SWAP1 SWAP2 MSTORE SWAP1 JUMP JUMPDEST PUSH2 0x100 PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE POP SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP3 CALLDATALOAD PUSH2 0x19D9 JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP3 MLOAD PUSH2 0x19D9 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0xD5F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0xD72 PUSH2 0xD6D DUP3 PUSH2 0x1968 JUMP JUMPDEST PUSH2 0x1941 JUMP JUMPDEST SWAP2 POP DUP2 DUP2 DUP4 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH1 0x20 DUP2 ADD SWAP1 POP DUP4 DUP6 PUSH1 0x20 DUP5 MUL DUP3 ADD GT ISZERO PUSH2 0xD97 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0xDC3 JUMPI DUP2 PUSH2 0xDAD DUP9 DUP3 PUSH2 0xD36 JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0xD9A JUMP JUMPDEST POP POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0xDDE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0xDEC PUSH2 0xD6D DUP3 PUSH2 0x1968 JUMP JUMPDEST DUP2 DUP2 MSTORE PUSH1 0x20 SWAP4 DUP5 ADD SWAP4 SWAP1 SWAP3 POP DUP3 ADD DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0xDC3 JUMPI DUP2 CALLDATALOAD DUP7 ADD PUSH2 0xE14 DUP9 DUP3 PUSH2 0xF11 JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0xDFE JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0xE3B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 MLOAD PUSH2 0xE49 PUSH2 0xD6D DUP3 PUSH2 0x1968 JUMP JUMPDEST SWAP2 POP DUP2 DUP2 DUP4 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH1 0x20 DUP2 ADD SWAP1 POP DUP4 DUP6 PUSH1 0x60 DUP5 MUL DUP3 ADD GT ISZERO PUSH2 0xE6E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0xDC3 JUMPI DUP2 PUSH2 0xE84 DUP9 DUP3 PUSH2 0xF57 JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x60 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0xE71 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0xEAD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0xEBB PUSH2 0xD6D DUP3 PUSH2 0x1968 JUMP JUMPDEST DUP2 DUP2 MSTORE PUSH1 0x20 SWAP4 DUP5 ADD SWAP4 SWAP1 SWAP3 POP DUP3 ADD DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0xDC3 JUMPI DUP2 CALLDATALOAD DUP7 ADD PUSH2 0xEE3 DUP9 DUP3 PUSH2 0xFB2 JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0xECD JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP3 MLOAD PUSH2 0x1A20 JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP3 MLOAD PUSH2 0x19F2 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0xF22 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0xF30 PUSH2 0xD6D DUP3 PUSH2 0x1989 JUMP JUMPDEST SWAP2 POP DUP1 DUP3 MSTORE PUSH1 0x20 DUP4 ADD PUSH1 0x20 DUP4 ADD DUP6 DUP4 DUP4 ADD GT ISZERO PUSH2 0xF4C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x955 DUP4 DUP3 DUP5 PUSH2 0x1A25 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x60 DUP3 DUP5 SUB SLT ISZERO PUSH2 0xF69 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0xF73 PUSH1 0x60 PUSH2 0x1941 JUMP JUMPDEST SWAP1 POP PUSH1 0x0 PUSH2 0xF81 DUP5 DUP5 PUSH2 0x1107 JUMP JUMPDEST DUP3 MSTORE POP PUSH1 0x20 PUSH2 0xF92 DUP5 DUP5 DUP4 ADD PUSH2 0xF05 JUMP JUMPDEST PUSH1 0x20 DUP4 ADD MSTORE POP PUSH1 0x40 PUSH2 0xFA6 DUP5 DUP3 DUP6 ADD PUSH2 0xF05 JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MSTORE POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x180 DUP3 DUP5 SUB SLT ISZERO PUSH2 0xFC5 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0xFD0 PUSH2 0x180 PUSH2 0x1941 JUMP JUMPDEST SWAP1 POP PUSH1 0x0 PUSH2 0xFDE DUP5 DUP5 PUSH2 0xD36 JUMP JUMPDEST DUP3 MSTORE POP PUSH1 0x20 PUSH2 0xFEF DUP5 DUP5 DUP4 ADD PUSH2 0xD36 JUMP JUMPDEST PUSH1 0x20 DUP4 ADD MSTORE POP PUSH1 0x40 PUSH2 0x1003 DUP5 DUP3 DUP6 ADD PUSH2 0xD36 JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MSTORE POP PUSH1 0x60 PUSH2 0x1017 DUP5 DUP3 DUP6 ADD PUSH2 0xD36 JUMP JUMPDEST PUSH1 0x60 DUP4 ADD MSTORE POP PUSH1 0x80 PUSH2 0x102B DUP5 DUP3 DUP6 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH1 0x80 DUP4 ADD MSTORE POP PUSH1 0xA0 PUSH2 0x103F DUP5 DUP3 DUP6 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH1 0xA0 DUP4 ADD MSTORE POP PUSH1 0xC0 PUSH2 0x1053 DUP5 DUP3 DUP6 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH1 0xC0 DUP4 ADD MSTORE POP PUSH1 0xE0 PUSH2 0x1067 DUP5 DUP3 DUP6 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH1 0xE0 DUP4 ADD MSTORE POP PUSH2 0x100 PUSH2 0x107C DUP5 DUP3 DUP6 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH2 0x100 DUP4 ADD MSTORE POP PUSH2 0x120 PUSH2 0x1092 DUP5 DUP3 DUP6 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH2 0x120 DUP4 ADD MSTORE POP PUSH2 0x140 DUP3 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x10B4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x10C0 DUP5 DUP3 DUP6 ADD PUSH2 0xF11 JUMP JUMPDEST PUSH2 0x140 DUP4 ADD MSTORE POP PUSH2 0x160 DUP3 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x10E2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x10EE DUP5 DUP3 DUP6 ADD PUSH2 0xF11 JUMP JUMPDEST PUSH2 0x160 DUP4 ADD MSTORE POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP3 CALLDATALOAD PUSH2 0x19F2 JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP3 MLOAD PUSH2 0x1A1A JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x1125 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x1131 DUP5 DUP5 PUSH2 0xD42 JUMP JUMPDEST SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x114C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x1158 DUP6 DUP6 PUSH2 0xD36 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 DUP4 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1175 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1181 DUP6 DUP3 DUP7 ADD PUSH2 0xDCD JUMP JUMPDEST SWAP2 POP POP SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x119E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x11AA DUP6 DUP6 PUSH2 0xD36 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 DUP4 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x11C7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1181 DUP6 DUP3 DUP7 ADD PUSH2 0xF11 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x11E6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x11F2 DUP6 DUP6 PUSH2 0xD36 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 PUSH2 0x1181 DUP6 DUP3 DUP7 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x1215 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 MLOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x122C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1131 DUP5 DUP3 DUP6 ADD PUSH2 0xE2A JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x124B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP3 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1262 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x126E DUP6 DUP3 DUP7 ADD PUSH2 0xE9C JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 DUP4 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x128B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1181 DUP6 DUP3 DUP7 ADD PUSH2 0xD4E JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x12A9 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x1131 DUP5 DUP5 PUSH2 0xEF9 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x60 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x12C7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x1131 DUP5 DUP5 PUSH2 0xF57 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x12E6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP3 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x12FD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1309 DUP6 DUP3 DUP7 ADD PUSH2 0xFB2 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 PUSH2 0x1181 DUP6 DUP3 DUP7 ADD PUSH2 0xD36 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x132C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x1131 DUP5 DUP5 PUSH2 0xF05 JUMP JUMPDEST PUSH2 0x1341 DUP2 PUSH2 0x19D9 JUMP JUMPDEST DUP3 MSTORE POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x1352 DUP3 PUSH2 0x19D5 JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH2 0x1364 DUP4 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP3 DUP2 LT ISZERO PUSH2 0x1394 JUMPI PUSH2 0x137A DUP7 DUP4 MLOAD PUSH2 0x1619 JUMP JUMPDEST PUSH2 0x1383 DUP3 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x60 SWAP7 SWAP1 SWAP7 ADD SWAP6 SWAP2 POP PUSH1 0x1 ADD PUSH2 0x1367 JUMP JUMPDEST POP SWAP4 SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x13A9 DUP3 PUSH2 0x19D5 JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP DUP4 PUSH1 0x20 DUP3 MUL DUP6 ADD PUSH2 0x13C2 DUP6 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP5 DUP2 LT ISZERO PUSH2 0x13F9 JUMPI DUP4 DUP4 SUB DUP9 MSTORE PUSH2 0x13DD DUP4 DUP4 MLOAD PUSH2 0x1656 JUMP JUMPDEST SWAP3 POP PUSH2 0x13E8 DUP3 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x20 SWAP9 SWAP1 SWAP9 ADD SWAP8 SWAP2 POP PUSH1 0x1 ADD PUSH2 0x13C5 JUMP JUMPDEST POP SWAP1 SWAP7 SWAP6 POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x1410 DUP3 PUSH2 0x19D5 JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH2 0x1422 DUP4 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP3 DUP2 LT ISZERO PUSH2 0x1394 JUMPI PUSH2 0x1438 DUP7 DUP4 MLOAD PUSH2 0x1759 JUMP JUMPDEST PUSH2 0x1441 DUP3 PUSH2 0x19CF JUMP JUMPDEST PUSH2 0x100 SWAP7 SWAP1 SWAP7 ADD SWAP6 SWAP2 POP PUSH1 0x1 ADD PUSH2 0x1425 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x145E DUP3 PUSH2 0x19D5 JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH2 0x1470 DUP4 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP3 DUP2 LT ISZERO PUSH2 0x1394 JUMPI PUSH2 0x1486 DUP7 DUP4 MLOAD PUSH2 0x14A0 JUMP JUMPDEST PUSH2 0x148F DUP3 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x20 SWAP7 SWAP1 SWAP7 ADD SWAP6 SWAP2 POP PUSH1 0x1 ADD PUSH2 0x1473 JUMP JUMPDEST PUSH2 0x1341 DUP2 PUSH2 0x19F2 JUMP JUMPDEST PUSH2 0x1341 DUP2 PUSH2 0x19F5 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x14BD DUP3 PUSH2 0x19D5 JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH2 0x14D1 DUP2 PUSH1 0x20 DUP7 ADD PUSH1 0x20 DUP7 ADD PUSH2 0x1A31 JUMP JUMPDEST PUSH2 0x14DA DUP2 PUSH2 0x1A5D JUMP JUMPDEST SWAP1 SWAP4 ADD PUSH1 0x20 ADD SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x26 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F33325F4C454E4754485F5245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5155495245440000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x17 DUP2 MSTORE PUSH32 0x554E535550504F525445445F41535345545F50524F5859000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x26 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F32305F4C454E4754485F5245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5155495245440000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x25 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F345F4C454E4754485F524551 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5549524544000000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST DUP1 MLOAD PUSH1 0x60 DUP4 ADD SWAP1 PUSH2 0x162A DUP5 DUP3 PUSH2 0x17F0 JUMP JUMPDEST POP PUSH1 0x20 DUP3 ADD MLOAD PUSH2 0x163D PUSH1 0x20 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0x40 DUP3 ADD MLOAD PUSH2 0x1650 PUSH1 0x40 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP POP POP POP JUMP JUMPDEST DUP1 MLOAD PUSH1 0x0 SWAP1 PUSH2 0x180 DUP5 ADD SWAP1 PUSH2 0x166B DUP6 DUP3 PUSH2 0x1338 JUMP JUMPDEST POP PUSH1 0x20 DUP4 ADD MLOAD PUSH2 0x167E PUSH1 0x20 DUP7 ADD DUP3 PUSH2 0x1338 JUMP JUMPDEST POP PUSH1 0x40 DUP4 ADD MLOAD PUSH2 0x1691 PUSH1 0x40 DUP7 ADD DUP3 PUSH2 0x1338 JUMP JUMPDEST POP PUSH1 0x60 DUP4 ADD MLOAD PUSH2 0x16A4 PUSH1 0x60 DUP7 ADD DUP3 PUSH2 0x1338 JUMP JUMPDEST POP PUSH1 0x80 DUP4 ADD MLOAD PUSH2 0x16B7 PUSH1 0x80 DUP7 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0xA0 DUP4 ADD MLOAD PUSH2 0x16CA PUSH1 0xA0 DUP7 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0xC0 DUP4 ADD MLOAD PUSH2 0x16DD PUSH1 0xC0 DUP7 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0xE0 DUP4 ADD MLOAD PUSH2 0x16F0 PUSH1 0xE0 DUP7 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH2 0x100 DUP4 ADD MLOAD PUSH2 0x1705 PUSH2 0x100 DUP7 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH2 0x120 DUP4 ADD MLOAD PUSH2 0x171A PUSH2 0x120 DUP7 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH2 0x140 DUP4 ADD MLOAD DUP5 DUP3 SUB PUSH2 0x140 DUP7 ADD MSTORE PUSH2 0x1734 DUP3 DUP3 PUSH2 0x14B2 JUMP JUMPDEST SWAP2 POP POP PUSH2 0x160 DUP4 ADD MLOAD DUP5 DUP3 SUB PUSH2 0x160 DUP7 ADD MSTORE PUSH2 0x1750 DUP3 DUP3 PUSH2 0x14B2 JUMP JUMPDEST SWAP6 SWAP5 POP POP POP POP POP JUMP JUMPDEST DUP1 MLOAD PUSH2 0x100 DUP4 ADD SWAP1 PUSH2 0x176B DUP5 DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0x20 DUP3 ADD MLOAD PUSH2 0x177E PUSH1 0x20 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0x40 DUP3 ADD MLOAD PUSH2 0x1791 PUSH1 0x40 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0x60 DUP3 ADD MLOAD PUSH2 0x17A4 PUSH1 0x60 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0x80 DUP3 ADD MLOAD PUSH2 0x17B7 PUSH1 0x80 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0xA0 DUP3 ADD MLOAD PUSH2 0x17CA PUSH1 0xA0 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0xC0 DUP3 ADD MLOAD PUSH2 0x17DD PUSH1 0xC0 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0xE0 DUP3 ADD MLOAD PUSH2 0x1650 PUSH1 0xE0 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST PUSH2 0x1341 DUP2 PUSH2 0x1A1A JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x9A3 DUP3 DUP5 PUSH2 0x1338 JUMP JUMPDEST PUSH1 0x40 DUP2 ADD PUSH2 0x1815 DUP3 DUP6 PUSH2 0x1338 JUMP JUMPDEST PUSH2 0xC7E PUSH1 0x20 DUP4 ADD DUP5 PUSH2 0x1338 JUMP JUMPDEST PUSH1 0x40 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x1833 DUP2 DUP6 PUSH2 0x1347 JUMP JUMPDEST SWAP1 POP DUP2 DUP2 SUB PUSH1 0x20 DUP4 ADD MSTORE PUSH2 0x1131 DUP2 DUP5 PUSH2 0x1405 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0xC7E DUP2 DUP5 PUSH2 0x139E JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0xC7E DUP2 DUP5 PUSH2 0x1405 JUMP JUMPDEST PUSH1 0x40 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x187A DUP2 DUP6 PUSH2 0x1453 JUMP JUMPDEST SWAP1 POP DUP2 DUP2 SUB PUSH1 0x20 DUP4 ADD MSTORE PUSH2 0x1131 DUP2 DUP5 PUSH2 0x1453 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x9A3 DUP3 DUP5 PUSH2 0x14A9 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x9A3 DUP2 PUSH2 0x14E7 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x9A3 DUP2 PUSH2 0x153D JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x9A3 DUP2 PUSH2 0x156D JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x9A3 DUP2 PUSH2 0x15C3 JUMP JUMPDEST PUSH2 0x160 DUP2 ADD PUSH2 0x18EB DUP3 DUP6 PUSH2 0x1619 JUMP JUMPDEST PUSH2 0xC7E PUSH1 0x60 DUP4 ADD DUP5 PUSH2 0x1759 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0xC7E DUP2 DUP5 PUSH2 0x1656 JUMP JUMPDEST PUSH2 0x100 DUP2 ADD PUSH2 0x9A3 DUP3 DUP5 PUSH2 0x1759 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x9A3 DUP3 DUP5 PUSH2 0x14A0 JUMP JUMPDEST PUSH1 0x40 DUP2 ADD PUSH2 0x1934 DUP3 DUP6 PUSH2 0x14A0 JUMP JUMPDEST PUSH2 0xC7E PUSH1 0x20 DUP4 ADD DUP5 PUSH2 0x14A0 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP2 DUP2 ADD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT DUP3 DUP3 LT OR ISZERO PUSH2 0x1960 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x40 MSTORE SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH8 0xFFFFFFFFFFFFFFFF DUP3 GT ISZERO PUSH2 0x197F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x20 SWAP1 DUP2 MUL ADD SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH8 0xFFFFFFFFFFFFFFFF DUP3 GT ISZERO PUSH2 0x19A0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x20 PUSH1 0x1F SWAP2 SWAP1 SWAP2 ADD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 AND ADD SWAP1 JUMP JUMPDEST PUSH1 0x20 ADD SWAP1 JUMP JUMPDEST MLOAD SWAP1 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST SWAP1 JUMP JUMPDEST PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND SWAP1 JUMP JUMPDEST PUSH1 0xFF AND 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- } - } - }, - "sources": { - "2.0.0/extensions/Forwarder/Forwarder.sol": { - "id": 0 - }, - "2.0.0/extensions/Forwarder/MixinAssets.sol": { - "id": 1 - }, - "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": { - "id": 2 - }, - "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": { - "id": 3 - }, - "2.0.0/extensions/Forwarder/MixinWeth.sol": { - "id": 4 - }, - "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": { - "id": 5 - }, - "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": { - "id": 6 - }, - "2.0.0/extensions/Forwarder/libs/LibConstants.sol": { - "id": 7 - }, - "2.0.0/extensions/Forwarder/mixins/MAssets.sol": { - "id": 8 - }, - "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": { - "id": 9 - }, - "2.0.0/extensions/Forwarder/mixins/MWeth.sol": { - "id": 10 - }, - "2.0.0/extensions/OrderValidator/OrderValidator.sol": { - "id": 11 - }, - "2.0.0/multisig/MultiSigWallet.sol": { - "id": 12 - }, - "2.0.0/multisig/MultiSigWalletWithTimeLock.sol": { - "id": 13 - }, - "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": { - "id": 14 - }, - "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": { - "id": 15 - }, - "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": { - "id": 16 - }, - "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": { - "id": 17 - }, - "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": { - "id": 18 - }, - "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": { - "id": 19 - }, - "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": { - "id": 20 - }, - "2.0.0/protocol/Exchange/Exchange.sol": { - "id": 21 - }, - "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": { - "id": 22 - }, - "2.0.0/protocol/Exchange/MixinExchangeCore.sol": { - "id": 23 - }, - "2.0.0/protocol/Exchange/MixinMatchOrders.sol": { - "id": 24 - }, - "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": { - "id": 25 - }, - "2.0.0/protocol/Exchange/MixinTransactions.sol": { - "id": 26 - }, - "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": { - "id": 27 - }, - "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": { - "id": 28 - }, - "2.0.0/protocol/Exchange/interfaces/IExchange.sol": { - "id": 29 - }, - "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": { - "id": 30 - }, - "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": { - "id": 31 - }, - "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": { - "id": 32 - }, - "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": { - "id": 33 - }, - "2.0.0/protocol/Exchange/interfaces/IValidator.sol": { - "id": 34 - }, - "2.0.0/protocol/Exchange/interfaces/IWallet.sol": { - "id": 35 - }, - "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": { - "id": 36 - }, - "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": { - "id": 37 - }, - "2.0.0/protocol/Exchange/libs/LibConstants.sol": { - "id": 38 - }, - "2.0.0/protocol/Exchange/libs/LibEIP712.sol": { - "id": 39 - }, - "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": { - "id": 40 - }, - "2.0.0/protocol/Exchange/libs/LibFillResults.sol": { - "id": 41 - }, - "2.0.0/protocol/Exchange/libs/LibMath.sol": { - "id": 42 - }, - "2.0.0/protocol/Exchange/libs/LibOrder.sol": { - "id": 43 - }, - "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": { - "id": 44 - }, - "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": { - "id": 45 - }, - "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": { - "id": 46 - }, - "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": { - "id": 47 - }, - "2.0.0/protocol/Exchange/mixins/MTransactions.sol": { - "id": 48 - }, - "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": { - "id": 49 - }, - "2.0.0/tokens/ERC20Token/IERC20Token.sol": { - "id": 50 - }, - "2.0.0/tokens/ERC721Token/IERC721Token.sol": { - "id": 51 - }, - "2.0.0/tokens/EtherToken/IEtherToken.sol": { - "id": 52 - }, - "2.0.0/utils/LibBytes/LibBytes.sol": { - "id": 53 - }, - "2.0.0/utils/Ownable/IOwnable.sol": { - "id": 54 - }, - "2.0.0/utils/Ownable/Ownable.sol": { - "id": 55 - }, - "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": { - "id": 56 - }, - "2.0.0/utils/SafeMath/SafeMath.sol": { - "id": 57 - } - }, - "sourceCodes": { - "2.0.0/extensions/Forwarder/Forwarder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinWeth.sol\";\nimport \"./MixinForwarderCore.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinAssets.sol\";\nimport \"./MixinExchangeWrapper.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Forwarder is\n LibConstants,\n MixinWeth,\n MixinAssets,\n MixinExchangeWrapper,\n MixinForwarderCore\n{\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n LibConstants(\n _exchange,\n _zrxAssetData,\n _wethAssetData\n )\n MixinForwarderCore()\n {}\n}\n", - "2.0.0/extensions/Forwarder/MixinAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MAssets.sol\";\n\n\ncontract MixinAssets is\n Ownable,\n LibConstants,\n MAssets\n{\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256(\"transfer(address,uint256)\"));\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external\n onlyOwner\n {\n transferAssetToSender(assetData, amount);\n }\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n bytes4 proxyId = assetData.readBytes4(0);\n\n if (proxyId == ERC20_DATA_ID) {\n transferERC20Token(assetData, amount);\n } else if (proxyId == ERC721_DATA_ID) {\n transferERC721Token(assetData, amount);\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n }\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n address token = assetData.readAddress(16);\n\n // Transfer tokens.\n // We do a raw call so we can check the success separate\n // from the return data.\n bool success = token.call(abi.encodeWithSelector(\n ERC20_TRANSFER_SELECTOR,\n msg.sender,\n amount\n ));\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n \n // Check return data.\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // value that evaluates to true.\n assembly {\n if returndatasize {\n success := 0\n if eq(returndatasize, 32) {\n // First 64 bytes of memory are reserved scratch space\n returndatacopy(0, 0, 32)\n success := mload(0)\n }\n }\n }\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n }\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n require(\n amount == 1,\n \"INVALID_AMOUNT\"\n );\n // Decode asset data.\n address token = assetData.readAddress(16);\n uint256 tokenId = assetData.readUint256(36);\n\n // Perform transfer.\n IERC721Token(token).transferFrom(\n address(this),\n msg.sender,\n tokenId\n );\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"../../protocol/Exchange/libs/LibAbiEncoder.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinExchangeWrapper is\n LibAbiEncoder,\n LibFillResults,\n LibMath,\n LibConstants,\n MExchangeWrapper\n{\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n address exchange = address(EXCHANGE);\n\n // Call `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := call(\n gas, // forward all gas\n exchange, // call address of Exchange contract\n 0, // transfer 0 wei\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of WETH to sell\n uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of WETH\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount;\n if (makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n\n require(\n makerAssetFilledAmount >= makerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n // Do nothing if zrxBuyAmount == 0\n if (zrxBuyAmount == 0) {\n return totalFillResults;\n }\n\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n uint256 zrxPurchased = 0;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // All of these are ZRX/WETH, so we can drop the respective assetData from calldata.\n orders[i].makerAssetData = zrxAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of ZRX to buy.\n uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased);\n\n // Convert the remaining amount of ZRX to buy into remaining amount\n // of WETH to sell, assuming entire amount can be sold in the current order.\n uint256 remainingWethSellAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees \n remainingZrxBuyAmount\n );\n\n // Attempt to sell the remaining amount of WETH.\n FillResults memory singleFillResult = fillOrderNoThrow(\n orders[i],\n safeAdd(remainingWethSellAmount, 1), // we add 1 wei to the fill amount to make up for rounding errors\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker.\n addFillResults(totalFillResults, singleFillResult);\n zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid);\n\n // Stop execution if the entire amount of ZRX has been bought.\n if (zrxPurchased >= zrxBuyAmount) {\n break;\n }\n }\n\n require(\n zrxPurchased >= zrxBuyAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\nimport \"./mixins/MAssets.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"./interfaces/IForwarderCore.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinForwarderCore is\n LibFillResults,\n LibMath,\n LibConstants,\n MWeth,\n MAssets,\n MExchangeWrapper,\n IForwarderCore\n{\n using LibBytes for bytes;\n\n /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf.\n constructor ()\n public\n {\n address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID);\n require(\n proxyAddress != address(0),\n \"UNREGISTERED_ASSET_PROXY\"\n );\n ETHER_TOKEN.approve(proxyAddress, MAX_UINT);\n ZRX_TOKEN.approve(proxyAddress, MAX_UINT);\n }\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 wethSellAmount;\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // Calculate amount of WETH that won't be spent on ETH fees.\n wethSellAmount = getPartialAmountFloor(\n PERCENTAGE_DENOMINATOR,\n safeAdd(PERCENTAGE_DENOMINATOR, feePercentage),\n msg.value\n );\n // Market sell available WETH.\n // ZRX fees are paid with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // 5% of WETH is reserved for filling feeOrders and paying feeRecipient.\n wethSellAmount = getPartialAmountFloor(\n MAX_WETH_FILL_PERCENTAGE,\n PERCENTAGE_DENOMINATOR,\n msg.value\n );\n // Market sell 95% of WETH.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // If the makerAsset is ZRX, it is not necessary to pay fees out of this\n // contracts's ZRX balance because fees are factored into the price of the order.\n orderFillResults = marketBuyExactZrxWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // Attemp to purchase desired amount of makerAsset.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketBuyExactAmountWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n}\n", - "2.0.0/extensions/Forwarder/MixinWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\n\n\ncontract MixinWeth is\n LibMath,\n LibConstants,\n MWeth\n{\n /// @dev Default payabale function, this allows us to withdraw WETH\n function ()\n public\n payable\n {\n require(\n msg.sender == address(ETHER_TOKEN),\n \"DEFAULT_FUNCTION_WETH_CONTRACT_ONLY\"\n );\n }\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal\n {\n require(\n msg.value > 0,\n \"INVALID_MSG_VALUE\"\n );\n ETHER_TOKEN.deposit.value(msg.value)();\n }\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal\n {\n // Ensure feePercentage is less than 5%.\n require(\n feePercentage <= MAX_FEE_PERCENTAGE,\n \"FEE_PERCENTAGE_TOO_LARGE\"\n );\n\n // Ensure that no extra WETH owned by this contract has been sold.\n uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx);\n require(\n wethSold <= msg.value,\n \"OVERSOLD_WETH\"\n );\n\n // Calculate amount of WETH that hasn't been sold.\n uint256 wethRemaining = safeSub(msg.value, wethSold);\n\n // Calculate ETH fee to pay to feeRecipient.\n uint256 ethFee = getPartialAmountFloor(\n feePercentage,\n PERCENTAGE_DENOMINATOR,\n wethSoldExcludingFeeOrders\n );\n\n // Ensure fee is less than amount of WETH remaining.\n require(\n ethFee <= wethRemaining,\n \"INSUFFICIENT_ETH_REMAINING\"\n );\n \n // Do nothing if no WETH remaining\n if (wethRemaining > 0) {\n // Convert remaining WETH to ETH\n ETHER_TOKEN.withdraw(wethRemaining);\n\n // Pay ETH to feeRecipient\n if (ethFee > 0) {\n feeRecipient.transfer(ethFee);\n }\n\n // Refund remaining ETH to msg.sender.\n uint256 ethRefund = safeSub(wethRemaining, ethFee);\n if (ethRefund > 0) {\n msg.sender.transfer(ethRefund);\n }\n }\n }\n}\n", - "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssets {\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external;\n}\n", - "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract IForwarderCore {\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n}\n", - "2.0.0/extensions/Forwarder/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/LibBytes/LibBytes.sol\";\nimport \"../../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../../tokens/EtherToken/IEtherToken.sol\";\nimport \"../../../tokens/ERC20Token/IERC20Token.sol\";\n\n\ncontract LibConstants {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n uint256 constant internal MAX_UINT = 2**256 - 1;\n uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; \n uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5%\n uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95%\n \n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n IEtherToken internal ETHER_TOKEN;\n IERC20Token internal ZRX_TOKEN;\n bytes internal ZRX_ASSET_DATA;\n bytes internal WETH_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n WETH_ASSET_DATA = _wethAssetData;\n\n address etherToken = _wethAssetData.readAddress(16);\n address zrxToken = _zrxAssetData.readAddress(16);\n ETHER_TOKEN = IEtherToken(etherToken);\n ZRX_TOKEN = IERC20Token(zrxToken);\n }\n}\n", - "2.0.0/extensions/Forwarder/mixins/MAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssets.sol\";\n\n\ncontract MAssets is\n IAssets\n{\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n}\n", - "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract MExchangeWrapper {\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n}\n", - "2.0.0/extensions/Forwarder/mixins/MWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract MWeth {\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal;\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal;\n}\n", - "2.0.0/extensions/OrderValidator/OrderValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract OrderValidator {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n struct TraderInfo {\n uint256 makerBalance; // Maker's balance of makerAsset\n uint256 makerAllowance; // Maker's allowance to corresponding AssetProxy\n uint256 takerBalance; // Taker's balance of takerAsset\n uint256 takerAllowance; // Taker's allowance to corresponding AssetProxy\n uint256 makerZrxBalance; // Maker's balance of ZRX\n uint256 makerZrxAllowance; // Maker's allowance of ZRX to ERC20Proxy\n uint256 takerZrxBalance; // Taker's balance of ZRX\n uint256 takerZrxAllowance; // Taker's allowance of ZRX to ERC20Proxy\n }\n\n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n bytes internal ZRX_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (address _exchange, bytes memory _zrxAssetData)\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n }\n\n /// @dev Fetches information for order and maker/taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return OrderInfo and TraderInfo instances for given order.\n function getOrderAndTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo, TraderInfo memory traderInfo)\n {\n orderInfo = EXCHANGE.getOrderInfo(order);\n traderInfo = getTraderInfo(order, takerAddress);\n return (orderInfo, traderInfo);\n }\n\n /// @dev Fetches information for all passed in orders and the makers/takers of each order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Arrays of OrderInfo and TraderInfo instances that correspond to each order.\n function getOrdersAndTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (LibOrder.OrderInfo[] memory ordersInfo, TraderInfo[] memory tradersInfo)\n {\n ordersInfo = EXCHANGE.getOrdersInfo(orders);\n tradersInfo = getTradersInfo(orders, takerAddresses);\n return (ordersInfo, tradersInfo);\n }\n\n /// @dev Fetches balance and allowances for maker and taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return Balances and allowances of maker and taker of order.\n function getTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (TraderInfo memory traderInfo)\n {\n (traderInfo.makerBalance, traderInfo.makerAllowance) = getBalanceAndAllowance(order.makerAddress, order.makerAssetData);\n (traderInfo.takerBalance, traderInfo.takerAllowance) = getBalanceAndAllowance(takerAddress, order.takerAssetData);\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n (traderInfo.makerZrxBalance, traderInfo.makerZrxAllowance) = getBalanceAndAllowance(order.makerAddress, zrxAssetData);\n (traderInfo.takerZrxBalance, traderInfo.takerZrxAllowance) = getBalanceAndAllowance(takerAddress, zrxAssetData);\n return traderInfo;\n }\n\n /// @dev Fetches balances and allowances of maker and taker for each provided order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Array of balances and allowances for maker and taker of each order.\n function getTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (TraderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n TraderInfo[] memory tradersInfo = new TraderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n tradersInfo[i] = getTraderInfo(orders[i], takerAddresses[i]);\n }\n return tradersInfo;\n }\n\n /// @dev Fetches token balances and allowances of an address to given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Encoded data that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balance of asset and allowance set to given proxy of asset.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalanceAndAllowance(address target, bytes memory assetData)\n public\n view\n returns (uint256 balance, uint256 allowance)\n {\n bytes4 assetProxyId = assetData.readBytes4(0);\n address token = assetData.readAddress(16);\n address assetProxy = EXCHANGE.getAssetProxy(assetProxyId);\n\n if (assetProxyId == ERC20_DATA_ID) {\n // Query balance\n balance = IERC20Token(token).balanceOf(target);\n\n // Query allowance\n allowance = IERC20Token(token).allowance(target, assetProxy);\n } else if (assetProxyId == ERC721_DATA_ID) {\n uint256 tokenId = assetData.readUint256(36);\n\n // Query owner of tokenId\n address owner = getERC721TokenOwner(token, tokenId);\n\n // Set balance to 1 if tokenId is owned by target\n balance = target == owner ? 1 : 0;\n\n // Check if ERC721Proxy is approved to spend tokenId\n bool isApproved = IERC721Token(token).isApprovedForAll(target, assetProxy) || IERC721Token(token).getApproved(tokenId) == assetProxy;\n \n // Set alowance to 1 if ERC721Proxy is approved to spend tokenId\n allowance = isApproved ? 1 : 0;\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n return (balance, allowance);\n }\n\n /// @dev Fetches token balances and allowances of an address for each given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Array of encoded byte arrays that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balances and allowances of assets.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalancesAndAllowances(address target, bytes[] memory assetData)\n public\n view\n returns (uint256[] memory, uint256[] memory)\n {\n uint256 length = assetData.length;\n uint256[] memory balances = new uint256[](length);\n uint256[] memory allowances = new uint256[](length);\n for (uint256 i = 0; i != length; i++) {\n (balances[i], allowances[i]) = getBalanceAndAllowance(target, assetData[i]);\n }\n return (balances, allowances);\n }\n\n /// @dev Calls `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token.\n /// @param token Address of ERC721 token.\n /// @param tokenId The identifier for the specific NFT.\n /// @return Owner of tokenId or null address if unowned.\n function getERC721TokenOwner(address token, uint256 tokenId)\n public\n view\n returns (address owner)\n {\n assembly {\n // load free memory pointer\n let cdStart := mload(64)\n\n // bytes4(keccak256(ownerOf(uint256))) = 0x6352211e\n mstore(cdStart, 0x6352211e00000000000000000000000000000000000000000000000000000000)\n mstore(add(cdStart, 4), tokenId)\n\n // staticcall `ownerOf(tokenId)`\n // `ownerOf` will revert if tokenId is not owned\n let success := staticcall(\n gas, // forward all gas\n token, // call token contract\n cdStart, // start of calldata\n 36, // length of input is 36 bytes\n cdStart, // write output over input\n 32 // size of output is 32 bytes\n )\n\n // Success implies that tokenId is owned\n // Copy owner from return data if successful\n if success {\n owner := mload(cdStart)\n } \n }\n\n // Owner initialized to address(0), no need to modify if call is unsuccessful\n return owner;\n }\n}\n", - "2.0.0/multisig/MultiSigWallet.sol": "// solhint-disable\npragma solidity ^0.4.15;\n\n\n/// @title Multisignature wallet - Allows multiple parties to agree on transactions before execution.\n/// @author Stefan George - \ncontract MultiSigWallet {\n\n /*\n * Events\n */\n event Confirmation(address indexed sender, uint indexed transactionId);\n event Revocation(address indexed sender, uint indexed transactionId);\n event Submission(uint indexed transactionId);\n event Execution(uint indexed transactionId);\n event ExecutionFailure(uint indexed transactionId);\n event Deposit(address indexed sender, uint value);\n event OwnerAddition(address indexed owner);\n event OwnerRemoval(address indexed owner);\n event RequirementChange(uint required);\n\n /*\n * Constants\n */\n uint constant public MAX_OWNER_COUNT = 50;\n\n /*\n * Storage\n */\n mapping (uint => Transaction) public transactions;\n mapping (uint => mapping (address => bool)) public confirmations;\n mapping (address => bool) public isOwner;\n address[] public owners;\n uint public required;\n uint public transactionCount;\n\n struct Transaction {\n address destination;\n uint value;\n bytes data;\n bool executed;\n }\n\n /*\n * Modifiers\n */\n modifier onlyWallet() {\n require(msg.sender == address(this));\n _;\n }\n\n modifier ownerDoesNotExist(address owner) {\n require(!isOwner[owner]);\n _;\n }\n\n modifier ownerExists(address owner) {\n require(isOwner[owner]);\n _;\n }\n\n modifier transactionExists(uint transactionId) {\n require(transactions[transactionId].destination != 0);\n _;\n }\n\n modifier confirmed(uint transactionId, address owner) {\n require(confirmations[transactionId][owner]);\n _;\n }\n\n modifier notConfirmed(uint transactionId, address owner) {\n require(!confirmations[transactionId][owner]);\n _;\n }\n\n modifier notExecuted(uint transactionId) {\n require(!transactions[transactionId].executed);\n _;\n }\n\n modifier notNull(address _address) {\n require(_address != 0);\n _;\n }\n\n modifier validRequirement(uint ownerCount, uint _required) {\n require(ownerCount <= MAX_OWNER_COUNT\n && _required <= ownerCount\n && _required != 0\n && ownerCount != 0);\n _;\n }\n\n /// @dev Fallback function allows to deposit ether.\n function()\n payable\n {\n if (msg.value > 0)\n Deposit(msg.sender, msg.value);\n }\n\n /*\n * Public functions\n */\n /// @dev Contract constructor sets initial owners and required number of confirmations.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n function MultiSigWallet(address[] _owners, uint _required)\n public\n validRequirement(_owners.length, _required)\n {\n for (uint i=0; i<_owners.length; i++) {\n require(!isOwner[_owners[i]] && _owners[i] != 0);\n isOwner[_owners[i]] = true;\n }\n owners = _owners;\n required = _required;\n }\n\n /// @dev Allows to add a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of new owner.\n function addOwner(address owner)\n public\n onlyWallet\n ownerDoesNotExist(owner)\n notNull(owner)\n validRequirement(owners.length + 1, required)\n {\n isOwner[owner] = true;\n owners.push(owner);\n OwnerAddition(owner);\n }\n\n /// @dev Allows to remove an owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner.\n function removeOwner(address owner)\n public\n onlyWallet\n ownerExists(owner)\n {\n isOwner[owner] = false;\n for (uint i=0; i owners.length)\n changeRequirement(owners.length);\n OwnerRemoval(owner);\n }\n\n /// @dev Allows to replace an owner with a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner to be replaced.\n /// @param newOwner Address of new owner.\n function replaceOwner(address owner, address newOwner)\n public\n onlyWallet\n ownerExists(owner)\n ownerDoesNotExist(newOwner)\n {\n for (uint i=0; i\n// solhint-disable not-rely-on-time\ncontract MultiSigWalletWithTimeLock is\n MultiSigWallet\n{\n event ConfirmationTimeSet(uint256 indexed transactionId, uint256 confirmationTime);\n event TimeLockChange(uint256 secondsTimeLocked);\n\n uint256 public secondsTimeLocked;\n\n mapping (uint256 => uint256) public confirmationTimes;\n\n modifier notFullyConfirmed(uint256 transactionId) {\n require(\n !isConfirmed(transactionId),\n \"TX_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier fullyConfirmed(uint256 transactionId) {\n require(\n isConfirmed(transactionId),\n \"TX_NOT_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier pastTimeLock(uint256 transactionId) {\n require(\n block.timestamp >= confirmationTimes[transactionId] + secondsTimeLocked,\n \"TIME_LOCK_INCOMPLETE\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations, and time lock.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] _owners,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWallet(_owners, _required)\n {\n secondsTimeLocked = _secondsTimeLocked;\n }\n\n /// @dev Changes the duration of the time lock for transactions.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n function changeTimeLock(uint256 _secondsTimeLocked)\n public\n onlyWallet\n {\n secondsTimeLocked = _secondsTimeLocked;\n emit TimeLockChange(_secondsTimeLocked);\n }\n\n /// @dev Allows an owner to confirm a transaction.\n /// @param transactionId Transaction ID.\n function confirmTransaction(uint256 transactionId)\n public\n ownerExists(msg.sender)\n transactionExists(transactionId)\n notConfirmed(transactionId, msg.sender)\n notFullyConfirmed(transactionId)\n {\n confirmations[transactionId][msg.sender] = true;\n emit Confirmation(msg.sender, transactionId);\n if (isConfirmed(transactionId)) {\n setConfirmationTime(transactionId, block.timestamp);\n }\n }\n\n /// @dev Allows anyone to execute a confirmed transaction.\n /// @param transactionId Transaction ID.\n function executeTransaction(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n pastTimeLock(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n\n /// @dev Sets the time of when a submission first passed.\n function setConfirmationTime(uint256 transactionId, uint256 confirmationTime)\n internal\n {\n confirmationTimes[transactionId] = confirmationTime;\n emit ConfirmationTimeSet(transactionId, confirmationTime);\n }\n}\n", - "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC20Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n \n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 1 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n\n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. amount |\n\n /////// Read token address from calldata ///////\n // * The token address is stored in `assetData`.\n //\n // * The \"offset to assetData\" is stored at offset 4 in the calldata (table 1).\n // [assetDataOffsetFromParams = calldataload(4)]\n //\n // * Notes that the \"offset to assetData\" is relative to the \"Params\" area of calldata;\n // add 4 bytes to account for the length of the \"Header\" area (table 1).\n // [assetDataOffsetFromHeader = assetDataOffsetFromParams + 4]\n //\n // * The \"token address\" is offset 32+4=36 bytes into \"assetData\" (tables 1 & 2).\n // [tokenOffset = assetDataOffsetFromHeader + 36 = calldataload(4) + 4 + 36]\n let token := calldataload(add(calldataload(4), 40))\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from`, `to` and `amount` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 96)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output over input\n 32 // output size should be 32 bytes\n )\n\n /////// Check return data. ///////\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // nonzero 32 bytes value.\n // So the transfer succeeded if the call succeeded and either\n // returned nothing, or returned a non-zero 32 byte value. \n success := and(success, or(\n iszero(returndatasize),\n and(\n eq(returndatasize, 32),\n gt(mload(0), 0)\n )\n ))\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", - "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC721Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 2 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n // | | 36 | | 2. tokenId |\n \n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. tokenId |\n\n // There exists only 1 of each token.\n // require(amount == 1, \"INVALID_AMOUNT\")\n if sub(calldataload(100), 1) {\n // Revert with `Error(\"INVALID_AMOUNT\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from` and `to` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 64)\n\n // Copy `tokenId` field from our own calldata to the new calldata.\n let assetDataOffset := calldataload(4)\n calldatacopy(68, add(assetDataOffset, 72), 32)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let token := calldataload(add(assetDataOffset, 40))\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output to null\n 0 // output size is 0 bytes\n )\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", - "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAuthorizable.sol\";\n\n\ncontract MixinAuthorizable is\n Ownable,\n MAuthorizable\n{\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized {\n require(\n authorized[msg.sender],\n \"SENDER_NOT_AUTHORIZED\"\n );\n _;\n }\n\n mapping (address => bool) public authorized;\n address[] public authorities;\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n !authorized[target],\n \"TARGET_ALREADY_AUTHORIZED\"\n );\n\n authorized[target] = true;\n authorities.push(target);\n emit AuthorizedAddressAdded(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n\n delete authorized[target];\n for (uint256 i = 0; i < authorities.length; i++) {\n if (authorities[i] == target) {\n authorities[i] = authorities[authorities.length - 1];\n authorities.length -= 1;\n break;\n }\n }\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n require(\n index < authorities.length,\n \"INDEX_OUT_OF_BOUNDS\"\n );\n require(\n authorities[index] == target,\n \"AUTHORIZED_ADDRESS_MISMATCH\"\n );\n\n delete authorized[target];\n authorities[index] = authorities[authorities.length - 1];\n authorities.length -= 1;\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory)\n {\n return authorities;\n }\n}\n", - "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IAuthorizable.sol\";\n\n\ncontract IAssetProxy is\n IAuthorizable\n{\n /// @dev Transfers assets. Either succeeds or throws.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n function transferFrom(\n bytes assetData,\n address from,\n address to,\n uint256 amount\n )\n external;\n \n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4);\n}\n", - "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/Ownable/IOwnable.sol\";\n\n\ncontract IAuthorizable is\n IOwnable\n{\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external;\n \n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory);\n}\n", - "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAuthorizable.sol\";\n\n\ncontract MAuthorizable is\n IAuthorizable\n{\n // Event logged when a new address is authorized.\n event AuthorizedAddressAdded(\n address indexed target,\n address indexed caller\n );\n\n // Event logged when a currently authorized address is unauthorized.\n event AuthorizedAddressRemoved(\n address indexed target,\n address indexed caller\n );\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized { revert(); _; }\n}\n", - "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../multisig/MultiSigWalletWithTimeLock.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract AssetProxyOwner is\n MultiSigWalletWithTimeLock\n{\n using LibBytes for bytes;\n\n event AssetProxyRegistration(address assetProxyContract, bool isRegistered);\n\n // Mapping of AssetProxy contract address =>\n // if this contract is allowed to call the AssetProxy's `removeAuthorizedAddressAtIndex` method without a time lock.\n mapping (address => bool) public isAssetProxyRegistered;\n\n bytes4 constant internal REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR = bytes4(keccak256(\"removeAuthorizedAddressAtIndex(address,uint256)\"));\n\n /// @dev Function will revert if the transaction does not call `removeAuthorizedAddressAtIndex`\n /// on an approved AssetProxy contract.\n modifier validRemoveAuthorizedAddressAtIndexTx(uint256 transactionId) {\n Transaction storage txn = transactions[transactionId];\n require(\n isAssetProxyRegistered[txn.destination],\n \"UNREGISTERED_ASSET_PROXY\"\n );\n require(\n txn.data.readBytes4(0) == REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR,\n \"INVALID_FUNCTION_SELECTOR\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations,\n /// time lock, and list of AssetProxy addresses.\n /// @param _owners List of initial owners.\n /// @param _assetProxyContracts Array of AssetProxy contract addresses.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] memory _owners,\n address[] memory _assetProxyContracts,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWalletWithTimeLock(_owners, _required, _secondsTimeLocked)\n {\n for (uint256 i = 0; i < _assetProxyContracts.length; i++) {\n address assetProxy = _assetProxyContracts[i];\n require(\n assetProxy != address(0),\n \"INVALID_ASSET_PROXY\"\n );\n isAssetProxyRegistered[assetProxy] = true;\n }\n }\n\n /// @dev Registers or deregisters an AssetProxy to be able to execute\n /// `removeAuthorizedAddressAtIndex` without a timelock.\n /// @param assetProxyContract Address of AssetProxy contract.\n /// @param isRegistered Status of approval for AssetProxy contract.\n function registerAssetProxy(address assetProxyContract, bool isRegistered)\n public\n onlyWallet\n notNull(assetProxyContract)\n {\n isAssetProxyRegistered[assetProxyContract] = isRegistered;\n emit AssetProxyRegistration(assetProxyContract, isRegistered);\n }\n\n /// @dev Allows execution of `removeAuthorizedAddressAtIndex` without time lock.\n /// @param transactionId Transaction ID.\n function executeRemoveAuthorizedAddressAtIndex(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n validRemoveAuthorizedAddressAtIndexTx(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n}\n", - "2.0.0/protocol/Exchange/Exchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinExchangeCore.sol\";\nimport \"./MixinSignatureValidator.sol\";\nimport \"./MixinWrapperFunctions.sol\";\nimport \"./MixinAssetProxyDispatcher.sol\";\nimport \"./MixinTransactions.sol\";\nimport \"./MixinMatchOrders.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Exchange is\n MixinExchangeCore,\n MixinMatchOrders,\n MixinSignatureValidator,\n MixinTransactions,\n MixinAssetProxyDispatcher,\n MixinWrapperFunctions\n{\n string constant public VERSION = \"2.0.0\";\n\n // Mixins are instantiated in the order they are inherited\n constructor ()\n public\n MixinExchangeCore()\n MixinMatchOrders()\n MixinSignatureValidator()\n MixinTransactions()\n MixinAssetProxyDispatcher()\n MixinWrapperFunctions()\n {}\n}\n", - "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\nimport \"../AssetProxy/interfaces/IAssetProxy.sol\";\n\n\ncontract MixinAssetProxyDispatcher is\n Ownable,\n MAssetProxyDispatcher\n{\n // Mapping from Asset Proxy Id's to their respective Asset Proxy\n mapping (bytes4 => IAssetProxy) public assetProxies;\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external\n onlyOwner\n {\n IAssetProxy assetProxyContract = IAssetProxy(assetProxy);\n\n // Ensure that no asset proxy exists with current id.\n bytes4 assetProxyId = assetProxyContract.getProxyId();\n address currentAssetProxy = assetProxies[assetProxyId];\n require(\n currentAssetProxy == address(0),\n \"ASSET_PROXY_ALREADY_EXISTS\"\n );\n\n // Add asset proxy and log registration.\n assetProxies[assetProxyId] = assetProxyContract;\n emit AssetProxyRegistered(\n assetProxyId,\n assetProxy\n );\n }\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address)\n {\n return assetProxies[assetProxyId];\n }\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal\n {\n // Do nothing if no amount should be transferred.\n if (amount > 0 && from != to) {\n // Ensure assetData length is valid\n require(\n assetData.length > 3,\n \"LENGTH_GREATER_THAN_3_REQUIRED\"\n );\n \n // Lookup assetProxy. We do not use `LibBytes.readBytes4` for gas efficiency reasons.\n bytes4 assetProxyId;\n assembly {\n assetProxyId := and(mload(\n add(assetData, 32)),\n 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000\n )\n }\n address assetProxy = assetProxies[assetProxyId];\n\n // Ensure that assetProxy exists\n require(\n assetProxy != address(0),\n \"ASSET_PROXY_DOES_NOT_EXIST\"\n );\n \n // We construct calldata for the `assetProxy.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n\n assembly {\n /////// Setup State ///////\n // `cdStart` is the start of the calldata for `assetProxy.transferFrom` (equal to free memory ptr).\n let cdStart := mload(64)\n // `dataAreaLength` is the total number of words needed to store `assetData`\n // As-per the ABI spec, this value is padded up to the nearest multiple of 32,\n // and includes 32-bytes for length.\n let dataAreaLength := and(add(mload(assetData), 63), 0xFFFFFFFFFFFE0)\n // `cdEnd` is the end of the calldata for `assetProxy.transferFrom`.\n let cdEnd := add(cdStart, add(132, dataAreaLength))\n\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFromSelector`.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes.\n // Notes:\n // 1. The offset to `assetData` is the length of the Params Area (128 bytes).\n // 2. A 20-byte mask is applied to addresses to zero-out the unused bytes.\n mstore(add(cdStart, 4), 128)\n mstore(add(cdStart, 36), and(from, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 68), and(to, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 100), amount)\n \n /////// Setup Data Area ///////\n // This area holds `assetData`.\n let dataArea := add(cdStart, 132)\n // solhint-disable-next-line no-empty-blocks\n for {} lt(dataArea, cdEnd) {} {\n mstore(dataArea, mload(assetData))\n dataArea := add(dataArea, 32)\n assetData := add(assetData, 32)\n }\n\n /////// Call `assetProxy.transferFrom` using the constructed calldata ///////\n let success := call(\n gas, // forward all gas\n assetProxy, // call address of asset proxy\n 0, // don't send any ETH\n cdStart, // pointer to start of input\n sub(cdEnd, cdStart), // length of input \n cdStart, // write output over input\n 512 // reserve 512 bytes for output\n )\n if iszero(success) {\n revert(cdStart, returndatasize())\n }\n }\n }\n }\n}\n", - "2.0.0/protocol/Exchange/MixinExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinExchangeCore is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n LibOrder,\n LibFillResults,\n MAssetProxyDispatcher,\n MExchangeCore,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of orderHash => amount of takerAsset already bought by maker\n mapping (bytes32 => uint256) public filled;\n\n // Mapping of orderHash => cancelled\n mapping (bytes32 => bool) public cancelled;\n\n // Mapping of makerAddress => senderAddress => lowest salt an order can have in order to be fillable\n // Orders with specified senderAddress and with a salt less than their epoch are considered cancelled\n mapping (address => mapping (address => uint256)) public orderEpoch;\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external\n nonReentrant\n {\n address makerAddress = getCurrentContextAddress();\n // If this function is called via `executeTransaction`, we only update the orderEpoch for the makerAddress/msg.sender combination.\n // This allows external filter contracts to add rules to how orders are cancelled via this function.\n address senderAddress = makerAddress == msg.sender ? address(0) : msg.sender;\n\n // orderEpoch is initialized to 0, so to cancelUpTo we need salt + 1\n uint256 newOrderEpoch = targetOrderEpoch + 1; \n uint256 oldOrderEpoch = orderEpoch[makerAddress][senderAddress];\n\n // Ensure orderEpoch is monotonically increasing\n require(\n newOrderEpoch > oldOrderEpoch, \n \"INVALID_NEW_ORDER_EPOCH\"\n );\n\n // Update orderEpoch\n orderEpoch[makerAddress][senderAddress] = newOrderEpoch;\n emit CancelUpTo(\n makerAddress,\n senderAddress,\n newOrderEpoch\n );\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrder(Order memory order)\n public\n nonReentrant\n {\n cancelOrderInternal(order);\n }\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(Order memory order)\n public\n view\n returns (OrderInfo memory orderInfo)\n {\n // Compute the order hash\n orderInfo.orderHash = getOrderHash(order);\n\n // Fetch filled amount\n orderInfo.orderTakerAssetFilledAmount = filled[orderInfo.orderHash];\n\n // If order.makerAssetAmount is zero, we also reject the order.\n // While the Exchange contract handles them correctly, they create\n // edge cases in the supporting infrastructure because they have\n // an 'infinite' price when computed by a simple division.\n if (order.makerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_MAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // If order.takerAssetAmount is zero, then the order will always\n // be considered filled because 0 == takerAssetAmount == orderTakerAssetFilledAmount\n // Instead of distinguishing between unfilled and filled zero taker\n // amount orders, we choose not to support them.\n if (order.takerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_TAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // Validate order availability\n if (orderInfo.orderTakerAssetFilledAmount >= order.takerAssetAmount) {\n orderInfo.orderStatus = uint8(OrderStatus.FULLY_FILLED);\n return orderInfo;\n }\n\n // Validate order expiration\n // solhint-disable-next-line not-rely-on-time\n if (block.timestamp >= order.expirationTimeSeconds) {\n orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);\n return orderInfo;\n }\n\n // Check if order has been cancelled\n if (cancelled[orderInfo.orderHash]) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n if (orderEpoch[order.makerAddress][order.senderAddress] > order.salt) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n\n // All other statuses are ruled out: order is Fillable\n orderInfo.orderStatus = uint8(OrderStatus.FILLABLE);\n return orderInfo;\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // Fetch order info\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Assert that the order is fillable by taker\n assertFillableOrder(\n order,\n orderInfo,\n takerAddress,\n signature\n );\n \n // Get amount of takerAsset to fill\n uint256 remainingTakerAssetAmount = safeSub(order.takerAssetAmount, orderInfo.orderTakerAssetFilledAmount);\n uint256 takerAssetFilledAmount = min256(takerAssetFillAmount, remainingTakerAssetAmount);\n\n // Validate context\n assertValidFill(\n order,\n orderInfo,\n takerAssetFillAmount,\n takerAssetFilledAmount,\n fillResults.makerAssetFilledAmount\n );\n\n // Compute proportional fill amounts\n fillResults = calculateFillResults(order, takerAssetFilledAmount);\n\n // Update exchange internal state\n updateFilledState(\n order,\n takerAddress,\n orderInfo.orderHash,\n orderInfo.orderTakerAssetFilledAmount,\n fillResults\n );\n \n // Settle order\n settleOrder(\n order,\n takerAddress,\n fillResults\n );\n\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrderInternal(Order memory order)\n internal\n {\n // Fetch current order status\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Validate context\n assertValidCancel(order, orderInfo);\n\n // Perform cancel\n updateCancelledState(order, orderInfo.orderHash);\n }\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n function updateFilledState(\n Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n FillResults memory fillResults\n )\n internal\n {\n // Update state\n filled[orderHash] = safeAdd(orderTakerAssetFilledAmount, fillResults.takerAssetFilledAmount);\n\n // Log order\n emit Fill(\n order.makerAddress,\n order.feeRecipientAddress,\n takerAddress,\n msg.sender,\n fillResults.makerAssetFilledAmount,\n fillResults.takerAssetFilledAmount,\n fillResults.makerFeePaid,\n fillResults.takerFeePaid,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n Order memory order,\n bytes32 orderHash\n )\n internal\n {\n // Perform cancel\n cancelled[orderHash] = true;\n\n // Log cancel\n emit Cancel(\n order.makerAddress,\n order.feeRecipientAddress,\n msg.sender,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n Order memory order,\n OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view\n {\n // An order can only be filled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n \n // Validate sender is allowed to fill this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n \n // Validate taker is allowed to fill this order\n if (order.takerAddress != address(0)) {\n require(\n order.takerAddress == takerAddress,\n \"INVALID_TAKER\"\n );\n }\n \n // Validate Maker signature (check only if first time seen)\n if (orderInfo.orderTakerAssetFilledAmount == 0) {\n require(\n isValidSignature(\n orderInfo.orderHash,\n order.makerAddress,\n signature\n ),\n \"INVALID_ORDER_SIGNATURE\"\n );\n }\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n Order memory order,\n OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount, // TODO: use FillResults\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view\n {\n // Revert if fill amount is invalid\n // TODO: reconsider necessity for v2.1\n require(\n takerAssetFillAmount != 0,\n \"INVALID_TAKER_AMOUNT\"\n );\n \n // Make sure taker does not pay more than desired amount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n takerAssetFilledAmount <= takerAssetFillAmount,\n \"TAKER_OVERPAY\"\n );\n \n // Make sure order is not overfilled\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeAdd(orderInfo.orderTakerAssetFilledAmount, takerAssetFilledAmount) <= order.takerAssetAmount,\n \"ORDER_OVERFILL\"\n );\n \n // Make sure order is filled at acceptable price.\n // The order has an implied price from the makers perspective:\n // order price = order.makerAssetAmount / order.takerAssetAmount\n // i.e. the number of makerAsset maker is paying per takerAsset. The\n // maker is guaranteed to get this price or a better (lower) one. The\n // actual price maker is getting in this fill is:\n // fill price = makerAssetFilledAmount / takerAssetFilledAmount\n // We need `fill price <= order price` for the fill to be fair to maker.\n // This amounts to:\n // makerAssetFilledAmount order.makerAssetAmount\n // ------------------------ <= -----------------------\n // takerAssetFilledAmount order.takerAssetAmount\n // or, equivalently:\n // makerAssetFilledAmount * order.takerAssetAmount <=\n // order.makerAssetAmount * takerAssetFilledAmount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeMul(makerAssetFilledAmount, order.takerAssetAmount)\n <= \n safeMul(order.makerAssetAmount, takerAssetFilledAmount),\n \"INVALID_FILL_PRICE\"\n );\n }\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n Order memory order,\n OrderInfo memory orderInfo\n )\n internal\n view\n {\n // Ensure order is valid\n // An order can only be cancelled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Validate sender is allowed to cancel this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate transaction signed by maker\n address makerAddress = getCurrentContextAddress();\n require(\n order.makerAddress == makerAddress,\n \"INVALID_MAKER\"\n );\n }\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (FillResults memory fillResults)\n {\n // Compute proportional transfer amounts\n fillResults.takerAssetFilledAmount = takerAssetFilledAmount;\n fillResults.makerAssetFilledAmount = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n );\n fillResults.makerFeePaid = safeGetPartialAmountFloor(\n fillResults.makerAssetFilledAmount,\n order.makerAssetAmount,\n order.makerFee\n );\n fillResults.takerFeePaid = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.takerFee\n );\n\n return fillResults;\n }\n\n /// @dev Settles an order by transferring assets between counterparties.\n /// @param order Order struct containing order specifications.\n /// @param takerAddress Address selling takerAsset and buying makerAsset.\n /// @param fillResults Amounts to be filled and fees paid by maker and taker.\n function settleOrder(\n LibOrder.Order memory order,\n address takerAddress,\n LibFillResults.FillResults memory fillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n dispatchTransferFrom(\n order.makerAssetData,\n order.makerAddress,\n takerAddress,\n fillResults.makerAssetFilledAmount\n );\n dispatchTransferFrom(\n order.takerAssetData,\n takerAddress,\n order.makerAddress,\n fillResults.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n zrxAssetData,\n order.makerAddress,\n order.feeRecipientAddress,\n fillResults.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n order.feeRecipientAddress,\n fillResults.takerFeePaid\n );\n }\n}\n", - "2.0.0/protocol/Exchange/MixinMatchOrders.sol": "/*\n Copyright 2018 ZeroEx Intl.\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n http://www.apache.org/licenses/LICENSE-2.0\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MMatchOrders.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinMatchOrders is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n MAssetProxyDispatcher,\n MExchangeCore,\n MMatchOrders,\n MTransactions\n{\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n nonReentrant\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We assume that rightOrder.takerAssetData == leftOrder.makerAssetData and rightOrder.makerAssetData == leftOrder.takerAssetData.\n // If this assumption isn't true, the match will fail at signature validation.\n rightOrder.makerAssetData = leftOrder.takerAssetData;\n rightOrder.takerAssetData = leftOrder.makerAssetData;\n\n // Get left & right order info\n LibOrder.OrderInfo memory leftOrderInfo = getOrderInfo(leftOrder);\n LibOrder.OrderInfo memory rightOrderInfo = getOrderInfo(rightOrder);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Either our context is valid or we revert\n assertFillableOrder(\n leftOrder,\n leftOrderInfo,\n takerAddress,\n leftSignature\n );\n assertFillableOrder(\n rightOrder,\n rightOrderInfo,\n takerAddress,\n rightSignature\n );\n assertValidMatch(leftOrder, rightOrder);\n\n // Compute proportional fill amounts\n matchedFillResults = calculateMatchedFillResults(\n leftOrder,\n rightOrder,\n leftOrderInfo.orderTakerAssetFilledAmount,\n rightOrderInfo.orderTakerAssetFilledAmount\n );\n\n // Validate fill contexts\n assertValidFill(\n leftOrder,\n leftOrderInfo,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.makerAssetFilledAmount\n );\n assertValidFill(\n rightOrder,\n rightOrderInfo,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n \n // Update exchange state\n updateFilledState(\n leftOrder,\n takerAddress,\n leftOrderInfo.orderHash,\n leftOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.left\n );\n updateFilledState(\n rightOrder,\n takerAddress,\n rightOrderInfo.orderHash,\n rightOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.right\n );\n\n // Settle matched orders. Succeeds or throws.\n settleMatchedOrders(\n leftOrder,\n rightOrder,\n takerAddress,\n matchedFillResults\n );\n\n return matchedFillResults;\n }\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure\n {\n // Make sure there is a profitable spread.\n // There is a profitable spread iff the cost per unit bought (OrderA.MakerAmount/OrderA.TakerAmount) for each order is greater\n // than the profit per unit sold of the matched order (OrderB.TakerAmount/OrderB.MakerAmount).\n // This is satisfied by the equations below:\n // / >= / \n // AND\n // / >= / \n // These equations can be combined to get the following:\n require(\n safeMul(leftOrder.makerAssetAmount, rightOrder.makerAssetAmount) >=\n safeMul(leftOrder.takerAssetAmount, rightOrder.takerAssetAmount),\n \"NEGATIVE_SPREAD_REQUIRED\"\n );\n }\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // Derive maker asset amounts for left & right orders, given store taker assert amounts\n uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);\n uint256 leftMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n leftTakerAssetAmountRemaining\n );\n uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);\n uint256 rightMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n rightOrder.makerAssetAmount,\n rightOrder.takerAssetAmount,\n rightTakerAssetAmountRemaining\n );\n\n // Calculate fill results for maker and taker assets: at least one order will be fully filled.\n // The maximum amount the left maker can buy is `leftTakerAssetAmountRemaining`\n // The maximum amount the right maker can sell is `rightMakerAssetAmountRemaining`\n // We have two distinct cases for calculating the fill results:\n // Case 1.\n // If the left maker can buy more than the right maker can sell, then only the right order is fully filled.\n // If the left maker can buy exactly what the right maker can sell, then both orders are fully filled.\n // Case 2.\n // If the left maker cannot buy more than the right maker can sell, then only the left order is fully filled.\n if (leftTakerAssetAmountRemaining >= rightMakerAssetAmountRemaining) {\n // Case 1: Right order is fully filled\n matchedFillResults.right.makerAssetFilledAmount = rightMakerAssetAmountRemaining;\n matchedFillResults.right.takerAssetFilledAmount = rightTakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = matchedFillResults.right.makerAssetFilledAmount;\n // Round down to ensure the maker's exchange rate does not exceed the price specified by the order. \n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.left.makerAssetFilledAmount = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n matchedFillResults.left.takerAssetFilledAmount\n );\n } else {\n // Case 2: Left order is fully filled\n matchedFillResults.left.makerAssetFilledAmount = leftMakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = leftTakerAssetAmountRemaining;\n matchedFillResults.right.makerAssetFilledAmount = matchedFillResults.left.takerAssetFilledAmount;\n // Round up to ensure the maker's exchange rate does not exceed the price specified by the order.\n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.right.takerAssetFilledAmount = safeGetPartialAmountCeil(\n rightOrder.takerAssetAmount,\n rightOrder.makerAssetAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n }\n\n // Calculate amount given to taker\n matchedFillResults.leftMakerAssetSpreadAmount = safeSub(\n matchedFillResults.left.makerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount\n );\n\n // Compute fees for left order\n matchedFillResults.left.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.makerAssetFilledAmount,\n leftOrder.makerAssetAmount,\n leftOrder.makerFee\n );\n matchedFillResults.left.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.takerAssetFilledAmount,\n leftOrder.takerAssetAmount,\n leftOrder.takerFee\n );\n\n // Compute fees for right order\n matchedFillResults.right.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.makerAssetFilledAmount,\n rightOrder.makerAssetAmount,\n rightOrder.makerFee\n );\n matchedFillResults.right.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.takerAssetFilledAmount,\n rightOrder.takerAssetAmount,\n rightOrder.takerFee\n );\n\n // Return fill results\n return matchedFillResults;\n }\n\n /// @dev Settles matched order by transferring appropriate funds between order makers, taker, and fee recipient.\n /// @param leftOrder First matched order.\n /// @param rightOrder Second matched order.\n /// @param takerAddress Address that matched the orders. The taker receives the spread between orders as profit.\n /// @param matchedFillResults Struct holding amounts to transfer between makers, taker, and fee recipients.\n function settleMatchedOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n address takerAddress,\n LibFillResults.MatchedFillResults memory matchedFillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n // Order makers and taker\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n rightOrder.makerAddress,\n matchedFillResults.right.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n rightOrder.makerAssetData,\n rightOrder.makerAddress,\n leftOrder.makerAddress,\n matchedFillResults.left.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n takerAddress,\n matchedFillResults.leftMakerAssetSpreadAmount\n );\n\n // Maker fees\n dispatchTransferFrom(\n zrxAssetData,\n leftOrder.makerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n rightOrder.makerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.makerFeePaid\n );\n\n // Taker fees\n if (leftOrder.feeRecipientAddress == rightOrder.feeRecipientAddress) {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n safeAdd(\n matchedFillResults.left.takerFeePaid,\n matchedFillResults.right.takerFeePaid\n )\n );\n } else {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.takerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.takerFeePaid\n );\n }\n }\n}\n", - "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./interfaces/IWallet.sol\";\nimport \"./interfaces/IValidator.sol\";\n\n\ncontract MixinSignatureValidator is\n ReentrancyGuard,\n MSignatureValidator,\n MTransactions\n{\n using LibBytes for bytes;\n \n // Mapping of hash => signer => signed\n mapping (bytes32 => mapping (address => bool)) public preSigned;\n\n // Mapping of signer => validator => approved\n mapping (address => mapping (address => bool)) public allowedValidators;\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n {\n if (signerAddress != msg.sender) {\n require(\n isValidSignature(\n hash,\n signerAddress,\n signature\n ),\n \"INVALID_SIGNATURE\"\n );\n }\n preSigned[hash][signerAddress] = true;\n }\n\n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external\n nonReentrant\n {\n address signerAddress = getCurrentContextAddress();\n allowedValidators[signerAddress][validatorAddress] = approval;\n emit SignatureValidatorApproval(\n signerAddress,\n validatorAddress,\n approval\n );\n }\n\n /// @dev Verifies that a hash has been signed by the given signer.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid)\n {\n require(\n signature.length > 0,\n \"LENGTH_GREATER_THAN_0_REQUIRED\"\n );\n\n // Pop last byte off of signature byte array.\n uint8 signatureTypeRaw = uint8(signature.popLastByte());\n\n // Ensure signature is supported\n require(\n signatureTypeRaw < uint8(SignatureType.NSignatureTypes),\n \"SIGNATURE_UNSUPPORTED\"\n );\n\n SignatureType signatureType = SignatureType(signatureTypeRaw);\n\n // Variables are not scoped in Solidity.\n uint8 v;\n bytes32 r;\n bytes32 s;\n address recovered;\n\n // Always illegal signature.\n // This is always an implicit option since a signer can create a\n // signature array with invalid type or length. We may as well make\n // it an explicit option. This aids testing and analysis. It is\n // also the initialization value for the enum type.\n if (signatureType == SignatureType.Illegal) {\n revert(\"SIGNATURE_ILLEGAL\");\n\n // Always invalid signature.\n // Like Illegal, this is always implicitly available and therefore\n // offered explicitly. It can be implicitly created by providing\n // a correctly formatted but incorrect signature.\n } else if (signatureType == SignatureType.Invalid) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = false;\n return isValid;\n\n // Signature using EIP712\n } else if (signatureType == SignatureType.EIP712) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n hash,\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signed using web3.eth_sign\n } else if (signatureType == SignatureType.EthSign) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n32\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signature verified by wallet contract.\n // If used with an order, the maker of the order is the wallet contract.\n } else if (signatureType == SignatureType.Wallet) {\n isValid = isValidWalletSignature(\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signature verified by validator contract.\n // If used with an order, the maker of the order can still be an EOA.\n // A signature using this type should be encoded as:\n // | Offset | Length | Contents |\n // | 0x00 | x | Signature to validate |\n // | 0x00 + x | 20 | Address of validator contract |\n // | 0x14 + x | 1 | Signature type is always \"\\x06\" |\n } else if (signatureType == SignatureType.Validator) {\n // Pop last 20 bytes off of signature byte array.\n address validatorAddress = signature.popLast20Bytes();\n \n // Ensure signer has approved validator.\n if (!allowedValidators[signerAddress][validatorAddress]) {\n return false;\n }\n isValid = isValidValidatorSignature(\n validatorAddress,\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signer signed hash previously using the preSign function.\n } else if (signatureType == SignatureType.PreSigned) {\n isValid = preSigned[hash][signerAddress];\n return isValid;\n }\n\n // Anything else is illegal (We do not return false because\n // the signature may actually be valid, just not in a format\n // that we currently support. In this case returning false\n // may lead the caller to incorrectly believe that the\n // signature was invalid.)\n revert(\"SIGNATURE_UNSUPPORTED\");\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if signature is valid for given wallet..\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IWallet(walletAddress).isValidSignature.selector,\n hash,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n walletAddress, // address of Wallet contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"WALLET_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000c57414c4c45545f4552524f5200000000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IValidator(signerAddress).isValidSignature.selector,\n hash,\n signerAddress,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n validatorAddress, // address of Validator contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"VALIDATOR_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f56414c494441544f525f4552524f5200000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n}\n", - "2.0.0/protocol/Exchange/MixinTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"./libs/LibExchangeErrors.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./libs/LibEIP712.sol\";\n\n\ncontract MixinTransactions is\n LibEIP712,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of transaction hash => executed\n // This prevents transactions from being executed more than once.\n mapping (bytes32 => bool) public transactions;\n\n // Address of current transaction signer\n address public currentContextAddress;\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external\n {\n // Prevent reentrancy\n require(\n currentContextAddress == address(0),\n \"REENTRANCY_ILLEGAL\"\n );\n\n bytes32 transactionHash = hashEIP712Message(hashZeroExTransaction(\n salt,\n signerAddress,\n data\n ));\n\n // Validate transaction has not been executed\n require(\n !transactions[transactionHash],\n \"INVALID_TX_HASH\"\n );\n\n // Transaction always valid if signer is sender of transaction\n if (signerAddress != msg.sender) {\n // Validate signature\n require(\n isValidSignature(\n transactionHash,\n signerAddress,\n signature\n ),\n \"INVALID_TX_SIGNATURE\"\n );\n\n // Set the current transaction signer\n currentContextAddress = signerAddress;\n }\n\n // Execute transaction\n transactions[transactionHash] = true;\n require(\n address(this).delegatecall(data),\n \"FAILED_EXECUTION\"\n );\n\n // Reset current transaction signer if it was previously updated\n if (signerAddress != msg.sender) {\n currentContextAddress = address(0);\n }\n }\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;\n bytes32 dataHash = keccak256(data);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,\n // salt,\n // bytes32(signerAddress),\n // keccak256(data)\n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, schemaHash) // hash of schema\n mstore(add(memPtr, 32), salt) // salt\n mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff)) // signerAddress\n mstore(add(memPtr, 96), dataHash) // hash of data\n\n // Compute hash\n result := keccak256(memPtr, 128)\n }\n return result;\n }\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address)\n {\n address currentContextAddress_ = currentContextAddress;\n address contextAddress = currentContextAddress_ == address(0) ? msg.sender : currentContextAddress_;\n return contextAddress;\n }\n}\n", - "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibAbiEncoder.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MWrapperFunctions.sol\";\n\n\ncontract MixinWrapperFunctions is\n ReentrancyGuard,\n LibMath,\n LibFillResults,\n LibAbiEncoder,\n MExchangeCore,\n MWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrKillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n // Delegate to `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := delegatecall(\n gas, // forward all gas\n address, // call address of this contract\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrKillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n \n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public\n nonReentrant\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n cancelOrderInternal(orders[i]);\n }\n }\n\n /// @dev Fetches information for all passed in orders.\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n LibOrder.OrderInfo[] memory ordersInfo = new LibOrder.OrderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n ordersInfo[i] = getOrderInfo(orders[i]);\n }\n return ordersInfo;\n }\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n require(\n fillResults.takerAssetFilledAmount == takerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return fillResults;\n }\n}\n", - "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssetProxyDispatcher {\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external;\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IExchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./IExchangeCore.sol\";\nimport \"./IMatchOrders.sol\";\nimport \"./ISignatureValidator.sol\";\nimport \"./ITransactions.sol\";\nimport \"./IAssetProxyDispatcher.sol\";\nimport \"./IWrapperFunctions.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract IExchange is\n IExchangeCore,\n IMatchOrders,\n ISignatureValidator,\n ITransactions,\n IAssetProxyDispatcher,\n IWrapperFunctions\n{}\n", - "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IExchangeCore {\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external;\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrder(LibOrder.Order memory order)\n public;\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(LibOrder.Order memory order)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IMatchOrders {\n\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n}\n", - "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ISignatureValidator {\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external;\n \n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external;\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address of signer.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\n\ncontract ITransactions {\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external;\n}\n", - "2.0.0/protocol/Exchange/interfaces/IValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IValidator {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IWallet {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IWrapperFunctions {\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public;\n\n /// @dev Fetches information for all passed in orders\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory);\n}\n", - "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./LibOrder.sol\";\n\n\ncontract LibAbiEncoder {\n\n /// @dev ABI encodes calldata for `fillOrder`.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return ABI encoded calldata for `fillOrder`.\n function abiEncodeFillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n pure\n returns (bytes memory fillOrderCalldata)\n {\n // We need to call MExchangeCore.fillOrder using a delegatecall in\n // assembly so that we can intercept a call that throws. For this, we\n // need the input encoded in memory in the Ethereum ABIv2 format [1].\n\n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0x00 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 0x00 | | 1. offset to order (*) |\n // | | 0x20 | | 2. takerAssetFillAmount |\n // | | 0x40 | | 3. offset to signature (*) |\n // | Data | | 12 * 32 | order: |\n // | | 0x000 | | 1. senderAddress |\n // | | 0x020 | | 2. makerAddress |\n // | | 0x040 | | 3. takerAddress |\n // | | 0x060 | | 4. feeRecipientAddress |\n // | | 0x080 | | 5. makerAssetAmount |\n // | | 0x0A0 | | 6. takerAssetAmount |\n // | | 0x0C0 | | 7. makerFeeAmount |\n // | | 0x0E0 | | 8. takerFeeAmount |\n // | | 0x100 | | 9. expirationTimeSeconds |\n // | | 0x120 | | 10. salt |\n // | | 0x140 | | 11. Offset to makerAssetData (*) |\n // | | 0x160 | | 12. Offset to takerAssetData (*) |\n // | | 0x180 | 32 | makerAssetData Length |\n // | | 0x1A0 | ** | makerAssetData Contents |\n // | | 0x1C0 | 32 | takerAssetData Length |\n // | | 0x1E0 | ** | takerAssetData Contents |\n // | | 0x200 | 32 | signature Length |\n // | | 0x220 | ** | signature Contents |\n\n // * Offsets are calculated from the beginning of the current area: Header, Params, Data:\n // An offset stored in the Params area is calculated from the beginning of the Params section.\n // An offset stored in the Data area is calculated from the beginning of the Data section.\n\n // ** The length of dynamic array contents are stored in the field immediately preceeding the contents.\n\n // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html\n\n assembly {\n\n // Areas below may use the following variables:\n // 1. Start -- Start of this area in memory\n // 2. End -- End of this area in memory. This value may\n // be precomputed (before writing contents),\n // or it may be computed as contents are written.\n // 3. Offset -- Current offset into area. If an area's End\n // is precomputed, this variable tracks the\n // offsets of contents as they are written.\n\n /////// Setup Header Area ///////\n // Load free memory pointer\n fillOrderCalldata := mload(0x40)\n // bytes4(keccak256(\"fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)\"))\n // = 0xb4be83d5\n // Leave 0x20 bytes to store the length\n mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000)\n let headerAreaEnd := add(fillOrderCalldata, 0x24)\n\n /////// Setup Params Area ///////\n // This area is preallocated and written to later.\n // This is because we need to fill in offsets that have not yet been calculated.\n let paramsAreaStart := headerAreaEnd\n let paramsAreaEnd := add(paramsAreaStart, 0x60)\n let paramsAreaOffset := paramsAreaStart\n\n /////// Setup Data Area ///////\n let dataAreaStart := paramsAreaEnd\n let dataAreaEnd := dataAreaStart\n\n // Offset from the source data we're reading from\n let sourceOffset := order\n // arrayLenBytes and arrayLenWords track the length of a dynamically-allocated bytes array.\n let arrayLenBytes := 0\n let arrayLenWords := 0\n\n /////// Write order Struct ///////\n // Write memory location of Order, relative to the start of the\n // parameter list, then increment the paramsAreaOffset respectively.\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n // Write values for each field in the order\n // It would be nice to use a loop, but we save on gas by writing\n // the stores sequentially.\n mstore(dataAreaEnd, mload(sourceOffset)) // makerAddress\n mstore(add(dataAreaEnd, 0x20), mload(add(sourceOffset, 0x20))) // takerAddress\n mstore(add(dataAreaEnd, 0x40), mload(add(sourceOffset, 0x40))) // feeRecipientAddress\n mstore(add(dataAreaEnd, 0x60), mload(add(sourceOffset, 0x60))) // senderAddress\n mstore(add(dataAreaEnd, 0x80), mload(add(sourceOffset, 0x80))) // makerAssetAmount\n mstore(add(dataAreaEnd, 0xA0), mload(add(sourceOffset, 0xA0))) // takerAssetAmount\n mstore(add(dataAreaEnd, 0xC0), mload(add(sourceOffset, 0xC0))) // makerFeeAmount\n mstore(add(dataAreaEnd, 0xE0), mload(add(sourceOffset, 0xE0))) // takerFeeAmount\n mstore(add(dataAreaEnd, 0x100), mload(add(sourceOffset, 0x100))) // expirationTimeSeconds\n mstore(add(dataAreaEnd, 0x120), mload(add(sourceOffset, 0x120))) // salt\n mstore(add(dataAreaEnd, 0x140), mload(add(sourceOffset, 0x140))) // Offset to makerAssetData\n mstore(add(dataAreaEnd, 0x160), mload(add(sourceOffset, 0x160))) // Offset to takerAssetData\n dataAreaEnd := add(dataAreaEnd, 0x180)\n sourceOffset := add(sourceOffset, 0x180)\n\n // Write offset to \n mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x140)) // makerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Write offset to \n mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x160)) // takerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n /////// Write takerAssetFillAmount ///////\n mstore(paramsAreaOffset, takerAssetFillAmount)\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n /////// Write signature ///////\n // Write offset to paramsArea\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n\n // Calculate length of signature\n sourceOffset := signature\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of signature\n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of signature\n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Set length of calldata\n mstore(fillOrderCalldata, sub(dataAreaEnd, add(fillOrderCalldata, 0x20)))\n\n // Increment free memory pointer\n mstore(0x40, dataAreaEnd)\n }\n\n return fillOrderCalldata;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\n// solhint-disable max-line-length\ncontract LibConstants {\n \n // Asset data for ZRX token. Used for fee transfers.\n // @TODO: Hardcode constant when we deploy. Currently \n // not constant to make testing easier.\n\n // The proxyId for ZRX_ASSET_DATA is bytes4(keccak256(\"ERC20Token(address)\")) = 0xf47261b0\n \n // Kovan ZRX address is 0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570.\n // The ABI encoded proxyId and address is 0xf47261b00000000000000000000000006ff6c0ff1d68b964901f986d4c9fa3ac68346570\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x6f\\xf6\\xc0\\xff\\x1d\\x68\\xb9\\x64\\x90\\x1f\\x98\\x6d\\x4c\\x9f\\xa3\\xac\\x68\\x34\\x65\\x70\";\n \n // Mainnet ZRX address is 0xe41d2489571d322189246dafa5ebde1f4699f498.\n // The ABI encoded proxyId and address is 0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\n bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xe4\\x1d\\x24\\x89\\x57\\x1d\\x32\\x21\\x89\\x24\\x6d\\xaf\\xa5\\xeb\\xde\\x1f\\x46\\x99\\xf4\\x98\";\n}\n// solhint-enable max-line-length\n", - "2.0.0/protocol/Exchange/libs/LibEIP712.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract LibEIP712 {\n\n // EIP191 header for EIP712 prefix\n string constant internal EIP191_HEADER = \"\\x19\\x01\";\n\n // EIP712 Domain Name value\n string constant internal EIP712_DOMAIN_NAME = \"0x Protocol\";\n\n // EIP712 Domain Version value\n string constant internal EIP712_DOMAIN_VERSION = \"2\";\n\n // Hash of the EIP712 Domain Separator Schema\n bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"EIP712Domain(\",\n \"string name,\",\n \"string version,\",\n \"address verifyingContract\",\n \")\"\n ));\n\n // Hash of the EIP712 Domain Separator data\n // solhint-disable-next-line var-name-mixedcase\n bytes32 public EIP712_DOMAIN_HASH;\n\n constructor ()\n public\n {\n EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(\n EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,\n keccak256(bytes(EIP712_DOMAIN_NAME)),\n keccak256(bytes(EIP712_DOMAIN_VERSION)),\n bytes32(address(this))\n ));\n }\n\n /// @dev Calculates EIP712 encoding for a hash struct in this EIP712 Domain.\n /// @param hashStruct The EIP712 hash struct.\n /// @return EIP712 hash applied to this EIP712 Domain.\n function hashEIP712Message(bytes32 hashStruct)\n internal\n view\n returns (bytes32 result)\n {\n bytes32 eip712DomainHash = EIP712_DOMAIN_HASH;\n\n // Assembly for more efficient computing:\n // keccak256(abi.encodePacked(\n // EIP191_HEADER,\n // EIP712_DOMAIN_HASH,\n // hashStruct \n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, 0x1901000000000000000000000000000000000000000000000000000000000000) // EIP191 header\n mstore(add(memPtr, 2), eip712DomainHash) // EIP712 domain hash\n mstore(add(memPtr, 34), hashStruct) // Hash of struct\n\n // Compute hash\n result := keccak256(memPtr, 66)\n }\n return result;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity 0.4.24;\n\n\n/// @dev This contract documents the revert reasons used in the Exchange contract.\n/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons.\ncontract LibExchangeErrors {\n\n /// Order validation errors ///\n string constant ORDER_UNFILLABLE = \"ORDER_UNFILLABLE\"; // Order cannot be filled.\n string constant INVALID_MAKER = \"INVALID_MAKER\"; // Invalid makerAddress.\n string constant INVALID_TAKER = \"INVALID_TAKER\"; // Invalid takerAddress.\n string constant INVALID_SENDER = \"INVALID_SENDER\"; // Invalid `msg.sender`.\n string constant INVALID_ORDER_SIGNATURE = \"INVALID_ORDER_SIGNATURE\"; // Signature validation failed. \n \n /// fillOrder validation errors ///\n string constant INVALID_TAKER_AMOUNT = \"INVALID_TAKER_AMOUNT\"; // takerAssetFillAmount cannot equal 0.\n string constant ROUNDING_ERROR = \"ROUNDING_ERROR\"; // Rounding error greater than 0.1% of takerAssetFillAmount. \n \n /// Signature validation errors ///\n string constant INVALID_SIGNATURE = \"INVALID_SIGNATURE\"; // Signature validation failed. \n string constant SIGNATURE_ILLEGAL = \"SIGNATURE_ILLEGAL\"; // Signature type is illegal.\n string constant SIGNATURE_UNSUPPORTED = \"SIGNATURE_UNSUPPORTED\"; // Signature type unsupported.\n \n /// cancelOrdersUptTo errors ///\n string constant INVALID_NEW_ORDER_EPOCH = \"INVALID_NEW_ORDER_EPOCH\"; // Specified salt must be greater than or equal to existing orderEpoch.\n\n /// fillOrKillOrder errors ///\n string constant COMPLETE_FILL_FAILED = \"COMPLETE_FILL_FAILED\"; // Desired takerAssetFillAmount could not be completely filled. \n\n /// matchOrders errors ///\n string constant NEGATIVE_SPREAD_REQUIRED = \"NEGATIVE_SPREAD_REQUIRED\"; // Matched orders must have a negative spread.\n\n /// Transaction errors ///\n string constant REENTRANCY_ILLEGAL = \"REENTRANCY_ILLEGAL\"; // Recursive reentrancy is not allowed. \n string constant INVALID_TX_HASH = \"INVALID_TX_HASH\"; // Transaction has already been executed. \n string constant INVALID_TX_SIGNATURE = \"INVALID_TX_SIGNATURE\"; // Signature validation failed. \n string constant FAILED_EXECUTION = \"FAILED_EXECUTION\"; // Transaction execution failed. \n \n /// registerAssetProxy errors ///\n string constant ASSET_PROXY_ALREADY_EXISTS = \"ASSET_PROXY_ALREADY_EXISTS\"; // AssetProxy with same id already exists.\n\n /// dispatchTransferFrom errors ///\n string constant ASSET_PROXY_DOES_NOT_EXIST = \"ASSET_PROXY_DOES_NOT_EXIST\"; // No assetProxy registered at given id.\n string constant TRANSFER_FAILED = \"TRANSFER_FAILED\"; // Asset transfer unsuccesful.\n\n /// Length validation errors ///\n string constant LENGTH_GREATER_THAN_0_REQUIRED = \"LENGTH_GREATER_THAN_0_REQUIRED\"; // Byte array must have a length greater than 0.\n string constant LENGTH_GREATER_THAN_3_REQUIRED = \"LENGTH_GREATER_THAN_3_REQUIRED\"; // Byte array must have a length greater than 3.\n string constant LENGTH_0_REQUIRED = \"LENGTH_0_REQUIRED\"; // Byte array must have a length of 0.\n string constant LENGTH_65_REQUIRED = \"LENGTH_65_REQUIRED\"; // Byte array must have a length of 65.\n}\n", - "2.0.0/protocol/Exchange/libs/LibFillResults.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibFillResults is\n SafeMath\n{\n struct FillResults {\n uint256 makerAssetFilledAmount; // Total amount of makerAsset(s) filled.\n uint256 takerAssetFilledAmount; // Total amount of takerAsset(s) filled.\n uint256 makerFeePaid; // Total amount of ZRX paid by maker(s) to feeRecipient(s).\n uint256 takerFeePaid; // Total amount of ZRX paid by taker to feeRecipients(s).\n }\n\n struct MatchedFillResults {\n FillResults left; // Amounts filled and fees paid of left order.\n FillResults right; // Amounts filled and fees paid of right order.\n uint256 leftMakerAssetSpreadAmount; // Spread between price of left and right order, denominated in the left order's makerAsset, paid to taker.\n }\n\n /// @dev Adds properties of both FillResults instances.\n /// Modifies the first FillResults instance specified.\n /// @param totalFillResults Fill results instance that will be added onto.\n /// @param singleFillResults Fill results instance that will be added to totalFillResults.\n function addFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)\n internal\n pure\n {\n totalFillResults.makerAssetFilledAmount = safeAdd(totalFillResults.makerAssetFilledAmount, singleFillResults.makerAssetFilledAmount);\n totalFillResults.takerAssetFilledAmount = safeAdd(totalFillResults.takerAssetFilledAmount, singleFillResults.takerAssetFilledAmount);\n totalFillResults.makerFeePaid = safeAdd(totalFillResults.makerFeePaid, singleFillResults.makerFeePaid);\n totalFillResults.takerFeePaid = safeAdd(totalFillResults.takerFeePaid, singleFillResults.takerFeePaid);\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibMath.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibMath is\n SafeMath\n{\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function safeGetPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorFloor(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function safeGetPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorCeil(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function getPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function getPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // The absolute rounding error is the difference between the rounded\n // value and the ideal value. The relative rounding error is the\n // absolute rounding error divided by the absolute value of the\n // ideal value. This is undefined when the ideal value is zero.\n //\n // The ideal value is `numerator * target / denominator`.\n // Let's call `numerator * target % denominator` the remainder.\n // The absolute error is `remainder / denominator`.\n //\n // When the ideal value is zero, we require the absolute error to\n // be zero. Fortunately, this is always the case. The ideal value is\n // zero iff `numerator == 0` and/or `target == 0`. In this case the\n // remainder and absolute error are also zero. \n if (target == 0 || numerator == 0) {\n return false;\n }\n \n // Otherwise, we want the relative rounding error to be strictly\n // less than 0.1%.\n // The relative error is `remainder / (numerator * target)`.\n // We want the relative error less than 1 / 1000:\n // remainder / (numerator * denominator) < 1 / 1000\n // or equivalently:\n // 1000 * remainder < numerator * target\n // so we have a rounding error iff:\n // 1000 * remainder >= numerator * target\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding up.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // See the comments in `isRoundingError`.\n if (target == 0 || numerator == 0) {\n // When either is zero, the ideal value and rounded value are zero\n // and there is no rounding error. (Although the relative error\n // is undefined.)\n return false;\n }\n // Compute remainder as before\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n remainder = safeSub(denominator, remainder) % denominator;\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n}\n", - "2.0.0/protocol/Exchange/libs/LibOrder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./LibEIP712.sol\";\n\n\ncontract LibOrder is\n LibEIP712\n{\n // Hash for the EIP712 Order Schema\n bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"Order(\",\n \"address makerAddress,\",\n \"address takerAddress,\",\n \"address feeRecipientAddress,\",\n \"address senderAddress,\",\n \"uint256 makerAssetAmount,\",\n \"uint256 takerAssetAmount,\",\n \"uint256 makerFee,\",\n \"uint256 takerFee,\",\n \"uint256 expirationTimeSeconds,\",\n \"uint256 salt,\",\n \"bytes makerAssetData,\",\n \"bytes takerAssetData\",\n \")\"\n ));\n\n // A valid order remains fillable until it is expired, fully filled, or cancelled.\n // An order's state is unaffected by external factors, like account balances.\n enum OrderStatus {\n INVALID, // Default value\n INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount\n INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount\n FILLABLE, // Order is fillable\n EXPIRED, // Order has already expired\n FULLY_FILLED, // Order is fully filled\n CANCELLED // Order has been cancelled\n }\n\n // solhint-disable max-line-length\n struct Order {\n address makerAddress; // Address that created the order. \n address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order. \n address feeRecipientAddress; // Address that will recieve fees when order is filled. \n address senderAddress; // Address that is allowed to call Exchange contract methods that affect this order. If set to 0, any address is allowed to call these methods.\n uint256 makerAssetAmount; // Amount of makerAsset being offered by maker. Must be greater than 0. \n uint256 takerAssetAmount; // Amount of takerAsset being bid on by maker. Must be greater than 0. \n uint256 makerFee; // Amount of ZRX paid to feeRecipient by maker when order is filled. If set to 0, no transfer of ZRX from maker to feeRecipient will be attempted.\n uint256 takerFee; // Amount of ZRX paid to feeRecipient by taker when order is filled. If set to 0, no transfer of ZRX from taker to feeRecipient will be attempted.\n uint256 expirationTimeSeconds; // Timestamp in seconds at which order expires. \n uint256 salt; // Arbitrary number to facilitate uniqueness of the order's hash. \n bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.\n bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.\n }\n // solhint-enable max-line-length\n\n struct OrderInfo {\n uint8 orderStatus; // Status that describes order's validity and fillability.\n bytes32 orderHash; // EIP712 hash of the order (see LibOrder.getOrderHash).\n uint256 orderTakerAssetFilledAmount; // Amount of order that has already been filled.\n }\n\n /// @dev Calculates Keccak-256 hash of the order.\n /// @param order The order structure.\n /// @return Keccak-256 EIP712 hash of the order.\n function getOrderHash(Order memory order)\n internal\n view\n returns (bytes32 orderHash)\n {\n orderHash = hashEIP712Message(hashOrder(order));\n return orderHash;\n }\n\n /// @dev Calculates EIP712 hash of the order.\n /// @param order The order structure.\n /// @return EIP712 hash of the order.\n function hashOrder(Order memory order)\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ORDER_SCHEMA_HASH;\n bytes32 makerAssetDataHash = keccak256(order.makerAssetData);\n bytes32 takerAssetDataHash = keccak256(order.takerAssetData);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ORDER_SCHEMA_HASH,\n // bytes32(order.makerAddress),\n // bytes32(order.takerAddress),\n // bytes32(order.feeRecipientAddress),\n // bytes32(order.senderAddress),\n // order.makerAssetAmount,\n // order.takerAssetAmount,\n // order.makerFee,\n // order.takerFee,\n // order.expirationTimeSeconds,\n // order.salt,\n // keccak256(order.makerAssetData),\n // keccak256(order.takerAssetData)\n // ));\n\n assembly {\n // Calculate memory addresses that will be swapped out before hashing\n let pos1 := sub(order, 32)\n let pos2 := add(order, 320)\n let pos3 := add(order, 352)\n\n // Backup\n let temp1 := mload(pos1)\n let temp2 := mload(pos2)\n let temp3 := mload(pos3)\n \n // Hash in place\n mstore(pos1, schemaHash)\n mstore(pos2, makerAssetDataHash)\n mstore(pos3, takerAssetDataHash)\n result := keccak256(pos1, 416)\n \n // Restore\n mstore(pos1, temp1)\n mstore(pos2, temp2)\n mstore(pos3, temp3)\n }\n return result;\n }\n}\n", - "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssetProxyDispatcher.sol\";\n\n\ncontract MAssetProxyDispatcher is\n IAssetProxyDispatcher\n{\n // Logs registration of new asset proxy\n event AssetProxyRegistered(\n bytes4 id, // Id of new registered AssetProxy.\n address assetProxy // Address of new registered AssetProxy.\n );\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal;\n}\n", - "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IExchangeCore.sol\";\n\n\ncontract MExchangeCore is\n IExchangeCore\n{\n // Fill event is emitted whenever an order is filled.\n event Fill(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that received fees.\n address takerAddress, // Address that filled the order.\n address senderAddress, // Address that called the Exchange contract (msg.sender).\n uint256 makerAssetFilledAmount, // Amount of makerAsset sold by maker and bought by taker. \n uint256 takerAssetFilledAmount, // Amount of takerAsset sold by taker and bought by maker.\n uint256 makerFeePaid, // Amount of ZRX paid to feeRecipient by maker.\n uint256 takerFeePaid, // Amount of ZRX paid to feeRecipient by taker.\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // Cancel event is emitted whenever an individual order is cancelled.\n event Cancel(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that would have recieved fees if order was filled. \n address senderAddress, // Address that called the Exchange contract (msg.sender).\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // CancelUpTo event is emitted whenever `cancelOrdersUpTo` is executed succesfully.\n event CancelUpTo(\n address indexed makerAddress, // Orders cancelled must have been created by this address.\n address indexed senderAddress, // Orders cancelled must have a `senderAddress` equal to this address.\n uint256 orderEpoch // Orders with specified makerAddress and senderAddress with a salt less than this value are considered cancelled.\n );\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrderInternal(LibOrder.Order memory order)\n internal;\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function updateFilledState(\n LibOrder.Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n LibFillResults.FillResults memory fillResults\n )\n internal;\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n LibOrder.Order memory order,\n bytes32 orderHash\n )\n internal;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo Status, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view;\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo\n )\n internal\n view;\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n LibOrder.Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.FillResults memory fillResults);\n\n}\n", - "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IMatchOrders.sol\";\n\n\ncontract MMatchOrders is\n IMatchOrders\n{\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure;\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n\n}\n", - "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/ISignatureValidator.sol\";\n\n\ncontract MSignatureValidator is\n ISignatureValidator\n{\n event SignatureValidatorApproval(\n address indexed signerAddress, // Address that approves or disapproves a contract to verify signatures.\n address indexed validatorAddress, // Address of signature validator contract.\n bool approved // Approval or disapproval of validator contract.\n );\n\n // Allowed signature types.\n enum SignatureType {\n Illegal, // 0x00, default value\n Invalid, // 0x01\n EIP712, // 0x02\n EthSign, // 0x03\n Wallet, // 0x04\n Validator, // 0x05\n PreSigned, // 0x06\n NSignatureTypes // 0x07, number of signature types. Always leave at end.\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n}\n", - "2.0.0/protocol/Exchange/mixins/MTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"../interfaces/ITransactions.sol\";\n\n\ncontract MTransactions is\n ITransactions\n{\n // Hash for the EIP712 ZeroEx Transaction Schema\n bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"ZeroExTransaction(\",\n \"uint256 salt,\",\n \"address signerAddress,\",\n \"bytes data\",\n \")\"\n ));\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result);\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address);\n}\n", - "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IWrapperFunctions.sol\";\n\n\ncontract MWrapperFunctions is \n IWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n}\n", - "2.0.0/tokens/ERC20Token/IERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n \n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n \n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", - "2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Token {\n\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(\n address indexed _owner,\n address indexed _approved,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(\n address indexed _owner,\n address indexed _operator,\n bool _approved\n );\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// perator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external;\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public;\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address);\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) \n public\n view\n returns (address);\n \n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool);\n}\n", - "2.0.0/tokens/EtherToken/IEtherToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/IERC20Token.sol\";\n\n\ncontract IEtherToken is\n IERC20Token\n{\n function deposit()\n public\n payable;\n \n function withdraw(uint256 amount)\n public;\n}\n", - "2.0.0/utils/LibBytes/LibBytes.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\nlibrary LibBytes {\n\n using LibBytes for bytes;\n\n /// @dev Gets the memory address for a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of byte array. This\n /// points to the header of the byte array which contains\n /// the length.\n function rawAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := input\n }\n return memoryAddress;\n }\n \n /// @dev Gets the memory address for the contents of a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of the contents of the byte array.\n function contentAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := add(input, 32)\n }\n return memoryAddress;\n }\n\n /// @dev Copies `length` bytes from memory location `source` to `dest`.\n /// @param dest memory address to copy bytes to.\n /// @param source memory address to copy bytes from.\n /// @param length number of bytes to copy.\n function memCopy(\n uint256 dest,\n uint256 source,\n uint256 length\n )\n internal\n pure\n {\n if (length < 32) {\n // Handle a partial word by reading destination and masking\n // off the bits we are interested in.\n // This correctly handles overlap, zero lengths and source == dest\n assembly {\n let mask := sub(exp(256, sub(32, length)), 1)\n let s := and(mload(source), not(mask))\n let d := and(mload(dest), mask)\n mstore(dest, or(s, d))\n }\n } else {\n // Skip the O(length) loop when source == dest.\n if (source == dest) {\n return;\n }\n\n // For large copies we copy whole words at a time. The final\n // word is aligned to the end of the range (instead of after the\n // previous) to handle partial words. So a copy will look like this:\n //\n // ####\n // ####\n // ####\n // ####\n //\n // We handle overlap in the source and destination range by\n // changing the copying direction. This prevents us from\n // overwriting parts of source that we still need to copy.\n //\n // This correctly handles source == dest\n //\n if (source > dest) {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because it\n // is easier to compare with in the loop, and these\n // are also the addresses we need for copying the\n // last bytes.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the last 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the last bytes in\n // source already due to overlap.\n let last := mload(sEnd)\n\n // Copy whole words front to back\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} lt(source, sEnd) {} {\n mstore(dest, mload(source))\n source := add(source, 32)\n dest := add(dest, 32)\n }\n \n // Write the last 32 bytes\n mstore(dEnd, last)\n }\n } else {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because those\n // are the starting points when copying a word at the end.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the first 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the first bytes in\n // source already due to overlap.\n let first := mload(source)\n\n // Copy whole words back to front\n // We use a signed comparisson here to allow dEnd to become\n // negative (happens when source and dest < 32). Valid\n // addresses in local memory will never be larger than\n // 2**255, so they can be safely re-interpreted as signed.\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} slt(dest, dEnd) {} {\n mstore(dEnd, mload(sEnd))\n sEnd := sub(sEnd, 32)\n dEnd := sub(dEnd, 32)\n }\n \n // Write the first 32 bytes\n mstore(dest, first)\n }\n }\n }\n }\n\n /// @dev Returns a slices from a byte array.\n /// @param b The byte array to take a slice from.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n function slice(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure and copy contents\n result = new bytes(to - from);\n memCopy(\n result.contentAddress(),\n b.contentAddress() + from,\n result.length\n );\n return result;\n }\n \n /// @dev Returns a slice from a byte array without preserving the input.\n /// @param b The byte array to take a slice from. Will be destroyed in the process.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n /// @dev When `from == 0`, the original array will match the slice. In other cases its state will be corrupted.\n function sliceDestructive(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure around [from, to) in-place.\n assembly {\n result := add(b, from)\n mstore(result, sub(to, from))\n }\n return result;\n }\n\n /// @dev Pops the last byte off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The byte that was popped off.\n function popLastByte(bytes memory b)\n internal\n pure\n returns (bytes1 result)\n {\n require(\n b.length > 0,\n \"GREATER_THAN_ZERO_LENGTH_REQUIRED\"\n );\n\n // Store last byte.\n result = b[b.length - 1];\n\n assembly {\n // Decrement length of byte array.\n let newLen := sub(mload(b), 1)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Pops the last 20 bytes off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The 20 byte address that was popped off.\n function popLast20Bytes(bytes memory b)\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= 20,\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Store last 20 bytes.\n result = readAddress(b, b.length - 20);\n\n assembly {\n // Subtract 20 from byte array length.\n let newLen := sub(mload(b), 20)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Tests equality of two byte arrays.\n /// @param lhs First byte array to compare.\n /// @param rhs Second byte array to compare.\n /// @return True if arrays are the same. False otherwise.\n function equals(\n bytes memory lhs,\n bytes memory rhs\n )\n internal\n pure\n returns (bool equal)\n {\n // Keccak gas cost is 30 + numWords * 6. This is a cheap way to compare.\n // We early exit on unequal lengths, but keccak would also correctly\n // handle this.\n return lhs.length == rhs.length && keccak256(lhs) == keccak256(rhs);\n }\n\n /// @dev Reads an address from a position in a byte array.\n /// @param b Byte array containing an address.\n /// @param index Index in byte array of address.\n /// @return address from byte array.\n function readAddress(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Read address from array memory\n assembly {\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 20-byte mask to obtain address\n result := and(mload(add(b, index)), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n return result;\n }\n\n /// @dev Writes an address into a specific position in a byte array.\n /// @param b Byte array to insert address into.\n /// @param index Index in byte array of address.\n /// @param input Address to put into byte array.\n function writeAddress(\n bytes memory b,\n uint256 index,\n address input\n )\n internal\n pure\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Store address into array memory\n assembly {\n // The address occupies 20 bytes and mstore stores 32 bytes.\n // First fetch the 32-byte word where we'll be storing the address, then\n // apply a mask so we have only the bytes in the word that the address will not occupy.\n // Then combine these bytes with the address and store the 32 bytes back to memory with mstore.\n\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 12-byte mask to obtain extra bytes occupying word of memory where we'll store the address\n let neighbors := and(\n mload(add(b, index)),\n 0xffffffffffffffffffffffff0000000000000000000000000000000000000000\n )\n \n // Make sure input address is clean.\n // (Solidity does not guarantee this)\n input := and(input, 0xffffffffffffffffffffffffffffffffffffffff)\n\n // Store the neighbors and address into memory\n mstore(add(b, index), xor(input, neighbors))\n }\n }\n\n /// @dev Reads a bytes32 value from a position in a byte array.\n /// @param b Byte array containing a bytes32 value.\n /// @param index Index in byte array of bytes32 value.\n /// @return bytes32 value from byte array.\n function readBytes32(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes32 result)\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n result := mload(add(b, index))\n }\n return result;\n }\n\n /// @dev Writes a bytes32 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes32 to put into byte array.\n function writeBytes32(\n bytes memory b,\n uint256 index,\n bytes32 input\n )\n internal\n pure\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n mstore(add(b, index), input)\n }\n }\n\n /// @dev Reads a uint256 value from a position in a byte array.\n /// @param b Byte array containing a uint256 value.\n /// @param index Index in byte array of uint256 value.\n /// @return uint256 value from byte array.\n function readUint256(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (uint256 result)\n {\n result = uint256(readBytes32(b, index));\n return result;\n }\n\n /// @dev Writes a uint256 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input uint256 to put into byte array.\n function writeUint256(\n bytes memory b,\n uint256 index,\n uint256 input\n )\n internal\n pure\n {\n writeBytes32(b, index, bytes32(input));\n }\n\n /// @dev Reads an unpadded bytes4 value from a position in a byte array.\n /// @param b Byte array containing a bytes4 value.\n /// @param index Index in byte array of bytes4 value.\n /// @return bytes4 value from byte array.\n function readBytes4(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes4 result)\n {\n require(\n b.length >= index + 4,\n \"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 32 byte length field\n index += 32;\n\n // Read the bytes4 from array memory\n assembly {\n result := mload(add(b, index))\n // Solidity does not require us to clean the trailing bytes.\n // We do it anyway\n result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)\n }\n return result;\n }\n\n /// @dev Reads nested bytes from a specific position.\n /// @dev NOTE: the returned value overlaps with the input value.\n /// Both should be treated as immutable.\n /// @param b Byte array containing nested bytes.\n /// @param index Index of nested bytes.\n /// @return result Nested bytes.\n function readBytesWithLength(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes memory result)\n {\n // Read length of nested bytes\n uint256 nestedBytesLength = readUint256(b, index);\n index += 32;\n\n // Assert length of is valid, given\n // length of nested bytes\n require(\n b.length >= index + nestedBytesLength,\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n \n // Return a pointer to the byte array as it exists inside `b`\n assembly {\n result := add(b, index)\n }\n return result;\n }\n\n /// @dev Inserts bytes at a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes to insert.\n function writeBytesWithLength(\n bytes memory b,\n uint256 index,\n bytes memory input\n )\n internal\n pure\n {\n // Assert length of is valid, given\n // length of input\n require(\n b.length >= index + 32 + input.length, // 32 bytes to store length\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n\n // Copy into \n memCopy(\n b.contentAddress() + index,\n input.rawAddress(), // includes length of \n input.length + 32 // +32 bytes to store length\n );\n }\n\n /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length.\n /// @param dest Byte array that will be overwritten with source bytes.\n /// @param source Byte array to copy onto dest bytes.\n function deepCopyBytes(\n bytes memory dest,\n bytes memory source\n )\n internal\n pure\n {\n uint256 sourceLen = source.length;\n // Dest length must be >= source length, or some bytes would not be copied.\n require(\n dest.length >= sourceLen,\n \"GREATER_OR_EQUAL_TO_SOURCE_BYTES_LENGTH_REQUIRED\"\n );\n memCopy(\n dest.contentAddress(),\n source.contentAddress(),\n sourceLen\n );\n }\n}\n", - "2.0.0/utils/Ownable/IOwnable.sol": "pragma solidity 0.4.24;\n\n\ncontract IOwnable {\n\n function transferOwnership(address newOwner)\n public;\n}\n", - "2.0.0/utils/Ownable/Ownable.sol": "pragma solidity 0.4.24;\n\nimport \"./IOwnable.sol\";\n\n\ncontract Ownable is\n IOwnable\n{\n address public owner;\n\n constructor ()\n public\n {\n owner = msg.sender;\n }\n\n modifier onlyOwner() {\n require(\n msg.sender == owner,\n \"ONLY_CONTRACT_OWNER\"\n );\n _;\n }\n\n function transferOwnership(address newOwner)\n public\n onlyOwner\n {\n if (newOwner != address(0)) {\n owner = newOwner;\n }\n }\n}\n", - "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ReentrancyGuard {\n\n // Locked state of mutex\n bool private locked = false;\n\n /// @dev Functions with this modifer cannot be reentered. The mutex will be locked\n /// before function execution and unlocked after.\n modifier nonReentrant() {\n // Ensure mutex is unlocked\n require(\n !locked,\n \"REENTRANCY_ILLEGAL\"\n );\n\n // Lock mutex before function call\n locked = true;\n\n // Perform function call\n _;\n\n // Unlock mutex after function call\n locked = false;\n }\n}\n", - "2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n\n function safeMul(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(\n c / a == b,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function safeDiv(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a / b;\n return c;\n }\n\n function safeSub(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n require(\n b <= a,\n \"UINT256_UNDERFLOW\"\n );\n return a - b;\n }\n\n function safeAdd(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a + b;\n require(\n c >= a,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function max64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n\n function max256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n}\n" - }, - "sourceTreeHashHex": "0x95729ff69e872a60a92c7eef28cea3188d821ab1a379a46c12b21fc386a9855c", - "compiler": { - "name": "solc", - "version": "soljson-v0.4.24+commit.e67f0147.js", - "settings": { - "optimizer": { - "enabled": true, - "runs": 1000000 - }, - "outputSelection": { - "*": { - "*": [ - "abi", - "evm.bytecode.object", - "evm.bytecode.sourceMap", - "evm.deployedBytecode.object", - "evm.deployedBytecode.sourceMap" - ] - } - } - } - }, - "networks": { - "1": { - "address": "0x9463e518dea6810309563c81d5266c1b1d149138", - "links": {}, - "constructorArgs": "[\"0x4f833a24e1f95d70f028921e27040ca56e09ab0b\",\"0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\"]" - }, - "3": { - "address": "0x90431a90516ab49af23a0530e04e8c7836e7122f", - "links": {}, - "constructorArgs": "[\"0x4530c0483a1633c7a1c97d2c53721caff2caaaaf\",\"0xf47261b0000000000000000000000000ff67881f8d12f372d91baae9752eb3631ff0ed00\"]" - }, - "42": { - "address": "0xb389da3d204b412df2f75c6afb3d0a7ce0bc283d", - "links": {}, - "constructorArgs": "[\"0x35dd2932454449b14cee11a94d3674a936d5d7b2\",\"0xf47261b00000000000000000000000002002d3812f58e35f0ea1ffbf80a75a38c32175fa\"]" - }, - "50": { - "address": "0xe86bb98fcf9bff3512c74589b78fb168200cc546", - "links": {}, - "constructorArgs": "[\"0x48bacb9266a570d521063ef5dd96e61686dbe788\",\"0xf47261b0000000000000000000000000871dd7c2b4b25e1aa18728e9d5f2af4c4e431f5c\"]" - } - } -} diff --git a/packages/migrations/artifacts/2.0.0-mainnet/WETH9.json b/packages/migrations/artifacts/2.0.0-mainnet/WETH9.json deleted file mode 100644 index 8cca84e41..000000000 --- a/packages/migrations/artifacts/2.0.0-mainnet/WETH9.json +++ /dev/null @@ -1,346 +0,0 @@ -{ - "schemaVersion": "2.0.0", - "contractName": "WETH9", - "compilerOutput": { - "abi": [ - { - "constant": true, - "inputs": [], - "name": "name", - "outputs": [ - { - "name": "", - "type": "string" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "guy", - "type": "address" - }, - { - "name": "wad", - "type": "uint256" - } - ], - "name": "approve", - "outputs": [ - { - "name": "", - "type": "bool" - } - ], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": true, - "inputs": [], - "name": "totalSupply", - "outputs": [ - { - "name": "", - "type": "uint256" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "src", - "type": "address" - }, - { - "name": "dst", - "type": "address" - }, - { - "name": "wad", - "type": "uint256" - } - ], - "name": "transferFrom", - "outputs": [ - { - "name": "", - "type": "bool" - } - ], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "wad", - "type": "uint256" - } - ], - "name": "withdraw", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": true, - "inputs": [], - "name": "decimals", - "outputs": [ - { - "name": "", - "type": "uint8" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "", - "type": "address" - } - ], - "name": "balanceOf", - "outputs": [ - { - "name": "", - "type": "uint256" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [], - "name": "symbol", - "outputs": [ - { - "name": "", - "type": "string" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "dst", - "type": "address" - }, - { - "name": "wad", - "type": "uint256" - } - ], - "name": "transfer", - "outputs": [ - { - "name": "", - "type": "bool" - } - ], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": false, - "inputs": [], - "name": "deposit", - "outputs": [], - "payable": true, - "stateMutability": "payable", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "", - "type": "address" - }, - { - "name": "", - "type": "address" - } - ], - "name": "allowance", - "outputs": [ - { - "name": "", - "type": "uint256" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "payable": true, - "stateMutability": "payable", - "type": "fallback" - }, - { - "anonymous": false, - "inputs": [ - { - "indexed": true, - "name": "_owner", - "type": "address" - }, - { - "indexed": true, - "name": "_spender", - "type": "address" - }, - { - "indexed": false, - "name": "_value", - "type": "uint256" - } - ], - "name": "Approval", - "type": "event" - }, - { - "anonymous": false, - "inputs": [ - { - "indexed": true, - "name": "_from", - "type": "address" - }, - { - "indexed": true, - "name": "_to", - "type": "address" - }, - { - "indexed": false, - "name": "_value", - "type": "uint256" - } - ], - "name": "Transfer", - "type": "event" - }, - { - "anonymous": false, - "inputs": [ - { - "indexed": true, - "name": "_owner", - "type": "address" - }, - { - "indexed": false, - "name": "_value", - "type": "uint256" - } - ], - "name": "Deposit", - "type": "event" - }, - { - "anonymous": false, - "inputs": [ - { - "indexed": true, - "name": "_owner", - "type": "address" - }, - { - 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- "opcodes": "PUSH1 0xC0 PUSH1 0x40 MSTORE PUSH1 0xD PUSH1 0x80 DUP2 SWAP1 MSTORE PUSH32 0x5772617070656420457468657200000000000000000000000000000000000000 PUSH1 0xA0 SWAP1 DUP2 MSTORE PUSH2 0x3E SWAP2 PUSH1 0x0 SWAP2 SWAP1 PUSH2 0xA3 JUMP JUMPDEST POP PUSH1 0x40 DUP1 MLOAD DUP1 DUP3 ADD SWAP1 SWAP2 MSTORE PUSH1 0x4 DUP1 DUP3 MSTORE PUSH32 0x5745544800000000000000000000000000000000000000000000000000000000 PUSH1 0x20 SWAP1 SWAP3 ADD SWAP2 DUP3 MSTORE PUSH2 0x83 SWAP2 PUSH1 0x1 SWAP2 PUSH2 0xA3 JUMP JUMPDEST POP PUSH1 0x2 DUP1 SLOAD PUSH1 0xFF NOT AND PUSH1 0x12 OR SWAP1 SSTORE CALLVALUE DUP1 ISZERO PUSH2 0x9D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x13E JUMP JUMPDEST DUP3 DUP1 SLOAD PUSH1 0x1 DUP2 PUSH1 0x1 AND ISZERO PUSH2 0x100 MUL SUB AND PUSH1 0x2 SWAP1 DIV SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 PUSH1 0x1F ADD PUSH1 0x20 SWAP1 DIV DUP2 ADD SWAP3 DUP3 PUSH1 0x1F LT PUSH2 0xE4 JUMPI DUP1 MLOAD PUSH1 0xFF NOT AND DUP4 DUP1 ADD OR DUP6 SSTORE PUSH2 0x111 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PUSH4 0x70A08231 EQ PUSH2 0x228 JUMPI DUP1 PUSH4 0x95D89B41 EQ PUSH2 0x256 JUMPI DUP1 PUSH4 0xA9059CBB EQ PUSH2 0x26B JUMPI DUP1 PUSH4 0xD0E30DB0 EQ PUSH2 0xAE JUMPI DUP1 PUSH4 0xDD62ED3E EQ PUSH2 0x29C JUMPI JUMPDEST PUSH2 0xB6 PUSH2 0x2D0 JUMP JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xC4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xCD PUSH2 0x31F JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 ADD SWAP1 DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x107 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0xEF JUMP JUMPDEST POP POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x134 JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x14E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x173 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x3CB JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x193 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19C PUSH2 0x43E JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1BA JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x173 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x443 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1F1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xB6 PUSH1 0x4 CALLDATALOAD PUSH2 0x5E3 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x209 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x212 PUSH2 0x678 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0xFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x234 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19C PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x681 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x262 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xCD PUSH2 0x693 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x277 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x173 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x70B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2A8 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19C PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0x71F JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP2 DUP3 SWAP1 KECCAK256 DUP1 SLOAD CALLVALUE SWAP1 DUP2 ADD SWAP1 SWAP2 SSTORE DUP3 MLOAD SWAP1 DUP2 MSTORE SWAP2 MLOAD PUSH32 0xE1FFFCC4923D04B559F4D29A8BFC6CDA04EB5B0D3C460751C2402C5C5CC9109C SWAP3 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG2 JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x3C3 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x398 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x3C3 JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x3A6 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP DUP2 JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP1 DUP6 MSTORE SWAP1 DUP4 MSTORE DUP2 DUP5 KECCAK256 DUP7 SWAP1 SSTORE DUP2 MLOAD DUP7 DUP2 MSTORE SWAP2 MLOAD SWAP4 SWAP5 SWAP1 SWAP4 SWAP1 SWAP3 PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 SWAP3 DUP3 SWAP1 SUB ADD SWAP1 LOG3 POP PUSH1 0x1 SWAP3 SWAP2 POP POP JUMP JUMPDEST ADDRESS BALANCE SWAP1 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 SLOAD DUP3 GT ISZERO PUSH2 0x475 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND CALLER EQ DUP1 ISZERO SWAP1 PUSH2 0x4EB JUMPI POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP5 MSTORE SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF EQ ISZERO JUMPDEST ISZERO PUSH2 0x565 JUMPI PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP5 MSTORE SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 SLOAD DUP3 GT ISZERO PUSH2 0x52D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP5 MSTORE SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 DUP1 SLOAD DUP4 SWAP1 SUB SWAP1 SSTORE JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP6 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 DUP1 SLOAD DUP9 SWAP1 SUB SWAP1 SSTORE SWAP4 DUP8 AND DUP1 DUP4 MSTORE SWAP2 DUP5 SWAP1 KECCAK256 DUP1 SLOAD DUP8 ADD SWAP1 SSTORE DUP4 MLOAD DUP7 DUP2 MSTORE SWAP4 MLOAD SWAP2 SWAP4 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP3 SWAP1 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP PUSH1 0x1 SWAP4 SWAP3 POP POP POP JUMP JUMPDEST CALLER PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP2 GT ISZERO PUSH2 0x5FF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD DUP6 SWAP1 SUB SWAP1 SSTORE MLOAD DUP4 ISZERO PUSH2 0x8FC MUL SWAP2 DUP5 SWAP2 SWAP1 DUP2 DUP2 DUP2 DUP6 DUP9 DUP9 CALL SWAP4 POP POP POP POP ISZERO DUP1 ISZERO PUSH2 0x63E JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP PUSH1 0x40 DUP1 MLOAD DUP3 DUP2 MSTORE SWAP1 MLOAD CALLER SWAP2 PUSH32 0x7FCF532C15F0A6DB0BD6D0E038BEA71D30D808C7D98CB3BF7268A95BF5081B65 SWAP2 SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 LOG2 POP JUMP JUMPDEST PUSH1 0x2 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x1 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 DUP5 DUP7 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x3C3 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x398 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x3C3 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x718 CALLER DUP5 DUP5 PUSH2 0x443 JUMP JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x0 SWAP3 DUP4 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 SWAP1 SWAP2 MSTORE SWAP1 DUP3 MSTORE SWAP1 KECCAK256 SLOAD DUP2 JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 0x22 DUP10 DUP2 CALL 0x1f 0x47 0xad SWAP7 ADDRESS ADDMOD STOP PUSH10 0xB0A81423FCFBA5AA8E0F 0x47 DUP11 JUMPI SWAP13 0x4b 0xc0 DUP1 0xba PUSH31 0x82002900000000000000000000000000000000000000000000000000000000 ", - "sourceMap": "753:40:0:-;732:1806;753:40;;732:1806;753:40;;;;;;;;;;-1:-1:-1;;753:40:0;;:::i;:::-;-1:-1:-1;799:31:0;;;;;;;;;;;;;;;;;;;;;;;;;;:::i;:::-;-1:-1:-1;836:27:0;;;-1:-1:-1;;836:27:0;861:2;836:27;;;732:1806;5:2:-1;;;;30:1;27;20:12;5:2;732:1806:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;732:1806:0;;;-1:-1:-1;732:1806:0;:::i;:::-;;;:::o;:::-;;;;;;;;;;;;;;;;;;;;:::o;:::-;;;;;;;" - }, - "deployedBytecode": { - "linkReferences": {}, - "object": "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", - "opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0xAE JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x6FDDE03 DUP2 EQ PUSH2 0xB8 JUMPI DUP1 PUSH4 0x95EA7B3 EQ PUSH2 0x142 JUMPI DUP1 PUSH4 0x18160DDD EQ PUSH2 0x187 JUMPI DUP1 PUSH4 0x23B872DD EQ PUSH2 0x1AE JUMPI DUP1 PUSH4 0x2E1A7D4D EQ PUSH2 0x1E5 JUMPI DUP1 PUSH4 0x313CE567 EQ PUSH2 0x1FD JUMPI DUP1 PUSH4 0x70A08231 EQ PUSH2 0x228 JUMPI DUP1 PUSH4 0x95D89B41 EQ PUSH2 0x256 JUMPI DUP1 PUSH4 0xA9059CBB EQ PUSH2 0x26B JUMPI DUP1 PUSH4 0xD0E30DB0 EQ PUSH2 0xAE JUMPI DUP1 PUSH4 0xDD62ED3E EQ PUSH2 0x29C JUMPI JUMPDEST PUSH2 0xB6 PUSH2 0x2D0 JUMP JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xC4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xCD PUSH2 0x31F JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 ADD SWAP1 DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x107 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0xEF JUMP JUMPDEST POP POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x134 JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x14E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x173 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x3CB JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x193 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19C PUSH2 0x43E JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1BA JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x173 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x443 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1F1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xB6 PUSH1 0x4 CALLDATALOAD PUSH2 0x5E3 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x209 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x212 PUSH2 0x678 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0xFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x234 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19C PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x681 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x262 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xCD PUSH2 0x693 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x277 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x173 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x70B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2A8 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19C PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0x71F JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP2 DUP3 SWAP1 KECCAK256 DUP1 SLOAD CALLVALUE SWAP1 DUP2 ADD SWAP1 SWAP2 SSTORE DUP3 MLOAD SWAP1 DUP2 MSTORE SWAP2 MLOAD PUSH32 0xE1FFFCC4923D04B559F4D29A8BFC6CDA04EB5B0D3C460751C2402C5C5CC9109C SWAP3 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG2 JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x3C3 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x398 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x3C3 JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x3A6 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP DUP2 JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP1 DUP6 MSTORE SWAP1 DUP4 MSTORE DUP2 DUP5 KECCAK256 DUP7 SWAP1 SSTORE DUP2 MLOAD DUP7 DUP2 MSTORE SWAP2 MLOAD SWAP4 SWAP5 SWAP1 SWAP4 SWAP1 SWAP3 PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 SWAP3 DUP3 SWAP1 SUB ADD SWAP1 LOG3 POP PUSH1 0x1 SWAP3 SWAP2 POP POP JUMP JUMPDEST ADDRESS BALANCE SWAP1 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 SLOAD DUP3 GT ISZERO PUSH2 0x475 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND CALLER EQ DUP1 ISZERO SWAP1 PUSH2 0x4EB JUMPI POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP5 MSTORE SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF EQ ISZERO JUMPDEST ISZERO PUSH2 0x565 JUMPI PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP5 MSTORE SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 SLOAD DUP3 GT ISZERO PUSH2 0x52D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP5 MSTORE SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 DUP1 SLOAD DUP4 SWAP1 SUB SWAP1 SSTORE JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP6 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 DUP1 SLOAD DUP9 SWAP1 SUB SWAP1 SSTORE SWAP4 DUP8 AND DUP1 DUP4 MSTORE SWAP2 DUP5 SWAP1 KECCAK256 DUP1 SLOAD DUP8 ADD SWAP1 SSTORE DUP4 MLOAD DUP7 DUP2 MSTORE SWAP4 MLOAD SWAP2 SWAP4 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP3 SWAP1 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP PUSH1 0x1 SWAP4 SWAP3 POP POP POP JUMP JUMPDEST CALLER PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP2 GT ISZERO PUSH2 0x5FF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD DUP6 SWAP1 SUB SWAP1 SSTORE MLOAD DUP4 ISZERO PUSH2 0x8FC MUL SWAP2 DUP5 SWAP2 SWAP1 DUP2 DUP2 DUP2 DUP6 DUP9 DUP9 CALL SWAP4 POP POP POP POP ISZERO DUP1 ISZERO PUSH2 0x63E JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP PUSH1 0x40 DUP1 MLOAD DUP3 DUP2 MSTORE SWAP1 MLOAD CALLER SWAP2 PUSH32 0x7FCF532C15F0A6DB0BD6D0E038BEA71D30D808C7D98CB3BF7268A95BF5081B65 SWAP2 SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 LOG2 POP JUMP JUMPDEST PUSH1 0x2 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x1 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 DUP5 DUP7 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x3C3 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x398 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x3C3 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x718 CALLER DUP5 DUP5 PUSH2 0x443 JUMP JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x0 SWAP3 DUP4 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 SWAP1 SWAP2 MSTORE SWAP1 DUP3 MSTORE SWAP1 KECCAK256 SLOAD DUP2 JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 0x22 DUP10 DUP2 CALL 0x1f 0x47 0xad SWAP7 ADDRESS ADDMOD STOP PUSH10 0xB0A81423FCFBA5AA8E0F 0x47 DUP11 JUMPI SWAP13 0x4b 0xc0 DUP1 0xba PUSH31 0x82002900000000000000000000000000000000000000000000000000000000 ", - "sourceMap": "732:1806:0:-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;1329:9;:7;:9::i;:::-;732:1806;753:40;;8:9:-1;5:2;;;30:1;27;20:12;5:2;753:40:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;8:100:-1;33:3;30:1;27:10;8:100;;;90:11;;;84:18;71:11;;;64:39;52:2;45:10;8:100;;;12:14;753:40:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;1776:172;;8:9:-1;5:2;;;30:1;27;20:12;5:2;-1:-1;1776:172:0;;;;;;;;;;;;;;;;;;;;;;;;;;;1684:86;;8:9:-1;5:2;;;30:1;27;20:12;5:2;1684:86:0;;;;;;;;;;;;;;;;;;;;2081:455;;8:9:-1;5:2;;;30:1;27;20:12;5:2;-1:-1;2081:455:0;;;;;;;;;;;;;;1480:198;;8:9:-1;5:2;;;30:1;27;20:12;5:2;-1:-1;1480:198:0;;;;;836:27;;8:9:-1;5:2;;;30:1;27;20:12;5:2;836:27:0;;;;;;;;;;;;;;;;;;;;;;;1150:65;;8:9:-1;5:2;;;30:1;27;20:12;5:2;-1:-1;1150:65:0;;;;;;;799:31;;8:9:-1;5:2;;;30:1;27;20:12;5:2;799:31:0;;;;1954:121;;8:9:-1;5:2;;;30:1;27;20:12;5:2;-1:-1;1954:121:0;;;;;;;;;1221:65;;8:9:-1;5:2;;;30:1;27;20:12;5:2;-1:-1;1221:65:0;;;;;;;;;;;;1350:125;1404:10;1394:21;;;;:9;:21;;;;;;;;;:34;;1419:9;1394:34;;;;;;1438:30;;;;;;;;;;;;;;;;;1350:125::o;753:40::-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;:::o;1776:172::-;1858:10;1832:4;1848:21;;;:9;:21;;;;;;;;;:26;;;;;;;;;;;:32;;;1890:30;;;;;;;1832:4;;1848:26;;1858:10;;1890:30;;;;;;;;-1:-1:-1;1937:4:0;1776:172;;;;:::o;1684:86::-;1751:4;:12;1684:86;:::o;2081:455::-;2199:14;;;2171:4;2199:14;;;:9;:14;;;;;;:21;-1:-1:-1;2199:21:0;2191:30;;;;;;2236:17;;;2243:10;2236:17;;;;:59;;-1:-1:-1;2257:14:0;;;;;;;:9;:14;;;;;;;;2272:10;2257:26;;;;;;;;2292:2;2257:38;;2236:59;2232:179;;;2319:14;;;;;;;:9;:14;;;;;;;;2334:10;2319:26;;;;;;;;:33;-1:-1:-1;2319:33:0;2311:42;;;;;;2367:14;;;;;;;:9;:14;;;;;;;;2382:10;2367:26;;;;;;;:33;;;;;;;2232:179;2421:14;;;;;;;;:9;:14;;;;;;;;:21;;;;;;;2452:14;;;;;;;;;;:21;;;;;;2484:23;;;;;;;2452:14;;2484:23;;;;;;;;;;;-1:-1:-1;2525:4:0;2081:455;;;;;:::o;1480:198::-;1543:10;1533:21;;;;:9;:21;;;;;;:28;-1:-1:-1;1533:28:0;1525:37;;;;;;1582:10;1572:21;;;;:9;:21;;;;;;:28;;;;;;;1610:24;;;;;;1597:3;;1610:24;;1572:21;1610:24;1597:3;1582:10;1610:24;;;;;;;;8:9:-1;5:2;;;45:16;42:1;39;24:38;77:16;74:1;67:27;5:2;-1:-1;1644:27:0;;;;;;;;1655:10;;1644:27;;;;;;;;;;1480:198;:::o;836:27::-;;;;;;:::o;1150:65::-;;;;;;;;;;;;;:::o;799:31::-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;1954:121;2011:4;2034:34;2047:10;2059:3;2064;2034:12;:34::i;:::-;2027:41;1954:121;-1:-1:-1;;;1954:121:0:o;1221:65::-;;;;;;;;;;;;;;;;;;;;;;;;:::o" - } - } - }, - "sources": { - "2.0.0/tokens/EtherToken/WETH9.sol": { - "id": 0 - } - }, - "sourceCodes": { - "2.0.0/tokens/EtherToken/WETH9.sol": "// Copyright (C) 2015, 2016, 2017 Dapphub\n\n// This program is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n\n// This program is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n// GNU General Public License for more details.\n\n// You should have received a copy of the GNU General Public License\n// along with this program. If not, see .\n\n// solhint-disable\npragma solidity ^0.4.18;\n\n\ncontract WETH9 {\n string public name = \"Wrapped Ether\";\n string public symbol = \"WETH\";\n uint8 public decimals = 18;\n\n event Approval(address indexed _owner, address indexed _spender, uint _value);\n event Transfer(address indexed _from, address indexed _to, uint _value);\n event Deposit(address indexed _owner, uint _value);\n event Withdrawal(address indexed _owner, uint _value);\n\n mapping (address => uint) public balanceOf;\n mapping (address => mapping (address => uint)) public allowance;\n\n function() public payable {\n deposit();\n }\n function deposit() public payable {\n balanceOf[msg.sender] += msg.value;\n Deposit(msg.sender, msg.value);\n }\n function withdraw(uint wad) public {\n require(balanceOf[msg.sender] >= wad);\n balanceOf[msg.sender] -= wad;\n msg.sender.transfer(wad);\n Withdrawal(msg.sender, wad);\n }\n\n function totalSupply() public view returns (uint) {\n return this.balance;\n }\n\n function approve(address guy, uint wad) public returns (bool) {\n allowance[msg.sender][guy] = wad;\n Approval(msg.sender, guy, wad);\n return true;\n }\n\n function transfer(address dst, uint wad) public returns (bool) {\n return transferFrom(msg.sender, dst, wad);\n }\n\n function transferFrom(address src, address dst, uint wad)\n public\n returns (bool)\n {\n require(balanceOf[src] >= wad);\n\n if (src != msg.sender && allowance[src][msg.sender] != uint(-1)) {\n require(allowance[src][msg.sender] >= wad);\n allowance[src][msg.sender] -= wad;\n }\n\n balanceOf[src] -= wad;\n balanceOf[dst] += wad;\n\n Transfer(src, dst, wad);\n\n return true;\n }\n}\n\n\n/*\n GNU GENERAL PUBLIC LICENSE\n Version 3, 29 June 2007\n\n Copyright (C) 2007 Free Software Foundation, Inc. \n Everyone is permitted to copy and distribute verbatim copies\n of this license document, but changing it is not allowed.\n\n Preamble\n\n The GNU General Public License is a free, copyleft license for\nsoftware and other kinds of works.\n\n The licenses for most software and other practical works are designed\nto take away your freedom to share and change the works. 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Disclaimer of Warranty.\n\n THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY\nAPPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT\nHOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM \"AS IS\" WITHOUT WARRANTY\nOF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,\nTHE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR\nPURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM\nIS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF\nALL NECESSARY SERVICING, REPAIR OR CORRECTION.\n\n 16. Limitation of Liability.\n\n IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING\nWILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS\nTHE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY\nGENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE\nUSE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF\nDATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD\nPARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),\nEVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF\nSUCH DAMAGES.\n\n 17. Interpretation of Sections 15 and 16.\n\n If the disclaimer of warranty and limitation of liability provided\nabove cannot be given local legal effect according to their terms,\nreviewing courts shall apply local law that most closely approximates\nan absolute waiver of all civil liability in connection with the\nProgram, unless a warranty or assumption of liability accompanies a\ncopy of the Program in return for a fee.\n\n END OF TERMS AND CONDITIONS\n\n How to Apply These Terms to Your New Programs\n\n If you develop a new program, and you want it to be of the greatest\npossible use to the public, the best way to achieve this is to make it\nfree software which everyone can redistribute and change under these terms.\n\n To do so, attach the following notices to the program. It is safest\nto attach them to the start of each source file to most effectively\nstate the exclusion of warranty; and each file should have at least\nthe \"copyright\" line and a pointer to where the full notice is found.\n\n \n Copyright (C) \n\n This program is free software: you can redistribute it and/or modify\n it under the terms of the GNU General Public License as published by\n the Free Software Foundation, either version 3 of the License, or\n (at your option) any later version.\n\n This program is distributed in the hope that it will be useful,\n but WITHOUT ANY WARRANTY; without even the implied warranty of\n MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n GNU General Public License for more details.\n\n You should have received a copy of the GNU General Public License\n along with this program. If not, see .\n\nAlso add information on how to contact you by electronic and paper mail.\n\n If the program does terminal interaction, make it output a short\nnotice like this when it starts in an interactive mode:\n\n Copyright (C) \n This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.\n This is free software, and you are welcome to redistribute it\n under certain conditions; type `show c' for details.\n\nThe hypothetical commands `show w' and `show c' should show the appropriate\nparts of the General Public License. Of course, your program's commands\nmight be different; for a GUI interface, you would use an \"about box\".\n\n You should also get your employer (if you work as a programmer) or school,\nif any, to sign a \"copyright disclaimer\" for the program, if necessary.\nFor more information on this, and how to apply and follow the GNU GPL, see\n.\n\n The GNU General Public License does not permit incorporating your program\ninto proprietary programs. If your program is a subroutine library, you\nmay consider it more useful to permit linking proprietary applications with\nthe library. If this is what you want to do, use the GNU Lesser General\nPublic License instead of this License. But first, please read\n.\n\n*/\n" - }, - "sourceTreeHashHex": "0x08a4125fbc1137215308db8e8f4c0774b2adbec12342172c17216bcaa6e596c6", - "compiler": { - "name": "solc", - "version": "soljson-v0.4.24+commit.e67f0147.js", - "settings": { - "optimizer": { - "enabled": true, - "runs": 1000000 - }, - "outputSelection": { - "*": { - "*": [ - "abi", - "evm.bytecode.object", - "evm.bytecode.sourceMap", - "evm.deployedBytecode.object", - "evm.deployedBytecode.sourceMap" - ] - } - } - } - }, - "networks": { - "3": { - "address": "0xc778417e063141139fce010982780140aa0cd5ab", - "links": {}, - "constructorArgs": "[]" - }, - "42": { - "address": "0xd0a1e359811322d97991e03f863a0c30c2cf029c", - "links": {}, - "constructorArgs": "[]" - }, - "50": { - "address": "0x0b1ba0af832d7c05fd64161e0db78e85978e8082", - "links": {}, - "constructorArgs": "[]" - } - } -} diff --git a/packages/migrations/artifacts/2.0.0-mainnet/ZRXToken.json b/packages/migrations/artifacts/2.0.0-mainnet/ZRXToken.json deleted file mode 100644 index 76ee77b34..000000000 --- a/packages/migrations/artifacts/2.0.0-mainnet/ZRXToken.json +++ /dev/null @@ -1,10041 +0,0 @@ -{ - "schemaVersion": "2.0.0", - "contractName": "ZRXToken", - "compilerOutput": { - "abi": [ - { - "constant": true, - "inputs": [], - "name": "name", - "outputs": [ - { - "name": "", - "type": "string" - } - ], - "payable": false, - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "_spender", - "type": "address" - }, - { - "name": "_value", - "type": "uint256" - } - ], - "name": "approve", - "outputs": [ - { - "name": "", - "type": "bool" - } - ], - "payable": false, - "type": "function" - }, - { - "constant": true, - "inputs": [], - "name": "totalSupply", - "outputs": [ - { - "name": "", - "type": "uint256" - } - ], - "payable": false, - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "_from", - "type": "address" - }, - { - "name": "_to", - "type": "address" - }, - { - "name": "_value", - "type": "uint256" - } - ], - "name": "transferFrom", - "outputs": [ - { - "name": "", - "type": "bool" - } - ], - "payable": false, - "type": "function" - }, - { - "constant": true, - "inputs": [], - "name": "decimals", - "outputs": [ - { - "name": "", - "type": "uint8" - } - ], - "payable": false, - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "_owner", - "type": "address" - } - ], - "name": "balanceOf", - "outputs": [ - { - "name": "", - "type": "uint256" - } - ], - "payable": false, - "type": "function" - }, - { - "constant": true, - "inputs": [], - "name": "symbol", - "outputs": [ - { - "name": "", - "type": "string" - } - ], - "payable": false, - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "_to", - "type": "address" - }, - { - "name": "_value", - "type": "uint256" - } - ], - "name": "transfer", - "outputs": [ - { - "name": "", - "type": "bool" - } - ], - "payable": false, - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "_owner", - "type": "address" - }, - { - "name": "_spender", - "type": "address" - } - ], - "name": "allowance", - "outputs": [ - { - "name": "", - "type": "uint256" - } - ], - "payable": false, - "type": "function" - }, - { - "inputs": [], - "payable": false, - "type": "constructor" - }, - { - "anonymous": false, - "inputs": [ - { - "indexed": true, - "name": "_from", - "type": "address" - }, - { - "indexed": true, - "name": "_to", - "type": "address" - }, - { - "indexed": false, - "name": "_value", - "type": "uint256" - } - ], - "name": "Transfer", - "type": "event" - }, - { - "anonymous": false, - "inputs": [ - { - "indexed": true, - "name": "_owner", - "type": "address" - }, - { - "indexed": true, - "name": "_spender", - "type": "address" - }, - { - "indexed": false, - "name": "_value", - "type": "uint256" - } - ], - "name": "Approval", - "type": "event" - } - ], - "devdoc": { - "methods": { - "transferFrom(address,address,uint256)": { - "details": "ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited allowance.", - "params": { - "_from": "Address to transfer from.", - "_to": "Address to transfer to.", - "_value": "Amount to transfer." - }, - "return": "Success of transfer." - } - } - }, - "evm": { - "assembly": " /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":795:1250 contract ZRXToken is ... */\n mstore(0x40, 0x60)\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":966:972 10**27 */\n 0x33b2e3c9fd0803ce8000000\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":937:972 uint256 public totalSupply = 10**27 */\n 0x3\n sstore\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1158:1248 function ZRXToken()... */\n jumpi(tag_1, iszero(callvalue))\n invalid\ntag_1:\ntag_2:\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1230:1241 totalSupply */\n sload(0x3)\n sub(exp(0x2, 0xa0), 0x1)\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1216:1226 msg.sender */\n caller\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1207:1227 balances[msg.sender] */\n and\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1207:1215 balances */\n 0x0\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1207:1227 balances[msg.sender] */\n swap1\n dup2\n mstore\n 0x20\n dup2\n swap1\n mstore\n 0x40\n swap1\n sha3\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1207:1241 balances[msg.sender] = totalSupply */\n sstore\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1158:1248 function ZRXToken()... */\ntag_3:\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":795:1250 contract ZRXToken is ... */\ntag_4:\n dataSize(sub_0)\n dup1\n dataOffset(sub_0)\n 0x0\n codecopy\n 0x0\n return\nstop\n\nsub_0: assembly {\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":795:1250 contract ZRXToken is ... */\n mstore(0x40, 0x60)\n jumpi(tag_1, iszero(calldatasize))\n and(div(calldataload(0x0), 0x100000000000000000000000000000000000000000000000000000000), 0xffffffff)\n 0x6fdde03\n dup2\n eq\n tag_2\n jumpi\n dup1\n 0x95ea7b3\n eq\n tag_3\n jumpi\n dup1\n 0x18160ddd\n eq\n tag_4\n jumpi\n dup1\n 0x23b872dd\n eq\n tag_5\n jumpi\n dup1\n 0x313ce567\n eq\n tag_6\n jumpi\n dup1\n 0x70a08231\n eq\n tag_7\n jumpi\n dup1\n 0x95d89b41\n eq\n tag_8\n jumpi\n dup1\n 0xa9059cbb\n eq\n tag_9\n jumpi\n dup1\n 0xdd62ed3e\n eq\n tag_10\n jumpi\n tag_1:\n invalid\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1017:1066 string constant public name = \"0x Protocol Token\" */\n tag_2:\n jumpi(tag_11, iszero(callvalue))\n invalid\n tag_11:\n tag_12\n jump(tag_13)\n tag_12:\n 0x40\n dup1\n mload\n 0x20\n dup1\n dup3\n mstore\n dup4\n mload\n dup2\n dup4\n add\n mstore\n dup4\n mload\n swap2\n swap3\n dup4\n swap3\n swap1\n dup4\n add\n swap2\n dup6\n add\n swap1\n dup1\n dup4\n dup4\n /* \"--CODEGEN--\":18:20 */\n dup3\n iszero\n /* \"--CODEGEN--\":13:16 */\n tag_14\n /* \"--CODEGEN--\":7:12 */\n jumpi\n /* \"--CODEGEN--\":32:37 */\n tag_15:\n /* \"--CODEGEN--\":59:62 */\n dup1\n /* \"--CODEGEN--\":53:58 */\n mload\n /* \"--CODEGEN--\":48:51 */\n dup3\n /* \"--CODEGEN--\":41:47 */\n mstore\n /* \"--CODEGEN--\":93:95 */\n 0x20\n /* \"--CODEGEN--\":88:91 */\n dup4\n /* \"--CODEGEN--\":85:87 */\n gt\n /* \"--CODEGEN--\":78:84 */\n iszero\n /* \"--CODEGEN--\":73:76 */\n tag_14\n /* \"--CODEGEN--\":67:72 */\n jumpi\n /* \"--CODEGEN--\":152:155 */\n 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe0\n swap1\n swap3\n add\n swap2\n /* \"--CODEGEN--\":117:119 */\n 0x20\n /* \"--CODEGEN--\":108:111 */\n swap2\n dup3\n add\n swap2\n /* \"--CODEGEN--\":130:133 */\n add\n /* \"--CODEGEN--\":172:177 */\n tag_15\n /* \"--CODEGEN--\":167:171 */\n jump\n /* \"--CODEGEN--\":181:184 */\n tag_14:\n /* \"--CODEGEN--\":3:189 */\n pop\n pop\n pop\n swap1\n pop\n swap1\n dup2\n add\n swap1\n 0x1f\n and\n dup1\n iszero\n tag_16\n jumpi\n dup1\n dup3\n sub\n dup1\n mload\n 0x1\n dup4\n 0x20\n sub\n 0x100\n exp\n sub\n not\n and\n dup2\n mstore\n 0x20\n add\n swap2\n pop\n tag_16:\n pop\n swap3\n pop\n pop\n pop\n mload(0x40)\n dup1\n swap2\n sub\n swap1\n return\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1087:1274 */\n tag_3:\n jumpi(tag_17, iszero(callvalue))\n invalid\n tag_17:\n tag_18\n and(calldataload(0x4), 0xffffffffffffffffffffffffffffffffffffffff)\n calldataload(0x24)\n jump(tag_19)\n tag_18:\n 0x40\n dup1\n mload\n swap2\n iszero\n iszero\n dup3\n mstore\n mload\n swap1\n dup2\n swap1\n sub\n 0x20\n add\n swap1\n return\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":937:972 uint256 public totalSupply = 10**27 */\n tag_4:\n jumpi(tag_20, iszero(callvalue))\n invalid\n tag_20:\n tag_21\n jump(tag_22)\n tag_21:\n 0x40\n dup1\n mload\n swap2\n dup3\n mstore\n mload\n swap1\n dup2\n swap1\n sub\n 0x20\n add\n swap1\n return\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1066:1675 */\n tag_5:\n jumpi(tag_23, iszero(callvalue))\n invalid\n tag_23:\n tag_18\n 0xffffffffffffffffffffffffffffffffffffffff\n calldataload(0x4)\n dup2\n and\n swap1\n calldataload(0x24)\n and\n calldataload(0x44)\n jump(tag_25)\n tag_24:\n 0x40\n dup1\n mload\n swap2\n iszero\n iszero\n dup3\n mstore\n mload\n swap1\n dup2\n swap1\n sub\n 0x20\n add\n swap1\n return\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":896:931 uint8 constant public decimals = 18 */\n tag_6:\n jumpi(tag_26, iszero(callvalue))\n invalid\n tag_26:\n tag_27\n jump(tag_28)\n tag_27:\n 0x40\n dup1\n mload\n 0xff\n swap1\n swap3\n and\n dup3\n mstore\n mload\n swap1\n dup2\n swap1\n sub\n 0x20\n add\n swap1\n return\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":982:1081 */\n tag_7:\n jumpi(tag_29, iszero(callvalue))\n invalid\n tag_29:\n tag_21\n and(calldataload(0x4), 0xffffffffffffffffffffffffffffffffffffffff)\n jump(tag_31)\n tag_30:\n 0x40\n dup1\n mload\n swap2\n dup3\n mstore\n mload\n swap1\n dup2\n swap1\n sub\n 0x20\n add\n swap1\n return\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1072:1109 string constant public symbol = \"ZRX\" */\n tag_8:\n jumpi(tag_32, iszero(callvalue))\n invalid\n tag_32:\n tag_12\n jump(tag_34)\n tag_33:\n 0x40\n dup1\n mload\n 0x20\n dup1\n dup3\n mstore\n dup4\n mload\n dup2\n dup4\n add\n mstore\n dup4\n mload\n swap2\n swap3\n dup4\n swap3\n swap1\n dup4\n add\n swap2\n dup6\n add\n swap1\n dup1\n dup4\n dup4\n /* \"--CODEGEN--\":18:20 */\n dup3\n iszero\n /* \"--CODEGEN--\":13:16 */\n tag_14\n /* \"--CODEGEN--\":7:12 */\n jumpi\n /* \"--CODEGEN--\":32:37 */\n tag_36:\n /* \"--CODEGEN--\":59:62 */\n dup1\n /* \"--CODEGEN--\":53:58 */\n mload\n /* \"--CODEGEN--\":48:51 */\n dup3\n /* \"--CODEGEN--\":41:47 */\n mstore\n /* \"--CODEGEN--\":93:95 */\n 0x20\n /* \"--CODEGEN--\":88:91 */\n dup4\n /* \"--CODEGEN--\":85:87 */\n gt\n /* \"--CODEGEN--\":78:84 */\n iszero\n /* \"--CODEGEN--\":73:76 */\n tag_14\n /* \"--CODEGEN--\":67:72 */\n jumpi\n /* \"--CODEGEN--\":152:155 */\n 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe0\n swap1\n swap3\n add\n swap2\n /* \"--CODEGEN--\":117:119 */\n 0x20\n /* \"--CODEGEN--\":108:111 */\n swap2\n dup3\n add\n swap2\n /* \"--CODEGEN--\":130:133 */\n add\n /* \"--CODEGEN--\":172:177 */\n tag_15\n /* \"--CODEGEN--\":167:171 */\n jump\n /* \"--CODEGEN--\":181:184 */\n tag_35:\n /* \"--CODEGEN--\":3:189 */\n pop\n pop\n pop\n swap1\n pop\n swap1\n dup2\n add\n swap1\n 0x1f\n and\n dup1\n iszero\n tag_16\n jumpi\n dup1\n dup3\n sub\n dup1\n mload\n 0x1\n dup4\n 0x20\n sub\n 0x100\n exp\n sub\n not\n and\n dup2\n mstore\n 0x20\n add\n swap2\n pop\n tag_37:\n pop\n swap3\n pop\n pop\n pop\n mload(0x40)\n dup1\n swap2\n sub\n swap1\n return\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":125:535 */\n tag_9:\n jumpi(tag_38, iszero(callvalue))\n invalid\n tag_38:\n tag_18\n and(calldataload(0x4), 0xffffffffffffffffffffffffffffffffffffffff)\n calldataload(0x24)\n jump(tag_40)\n tag_39:\n 0x40\n dup1\n mload\n swap2\n iszero\n iszero\n dup3\n mstore\n mload\n swap1\n dup2\n swap1\n sub\n 0x20\n add\n swap1\n return\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1280:1406 */\n tag_10:\n jumpi(tag_41, iszero(callvalue))\n invalid\n tag_41:\n tag_21\n 0xffffffffffffffffffffffffffffffffffffffff\n calldataload(0x4)\n dup2\n and\n swap1\n calldataload(0x24)\n and\n jump(tag_43)\n tag_42:\n 0x40\n dup1\n mload\n swap2\n dup3\n mstore\n mload\n swap1\n dup2\n swap1\n sub\n 0x20\n add\n swap1\n return\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1017:1066 string constant public name = \"0x Protocol Token\" */\n tag_13:\n 0x40\n dup1\n mload\n dup1\n dup3\n add\n swap1\n swap2\n mstore\n 0x11\n dup2\n mstore\n 0x30782050726f746f636f6c20546f6b656e000000000000000000000000000000\n 0x20\n dup3\n add\n mstore\n dup2\n jump\t// out\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1087:1274 */\n tag_19:\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1160:1179 */\n 0xffffffffffffffffffffffffffffffffffffffff\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1168:1178 */\n caller\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1160:1179 */\n dup2\n and\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1144:1148 */\n 0x0\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1160:1179 */\n dup2\n dup2\n mstore\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1160:1167 */\n 0x1\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1160:1179 */\n 0x20\n swap1\n dup2\n mstore\n 0x40\n dup1\n dup4\n sha3\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1160:1189 */\n swap5\n dup8\n and\n dup1\n dup5\n mstore\n swap5\n dup3\n mstore\n dup1\n dup4\n sha3\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1160:1198 */\n dup7\n swap1\n sstore\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1208:1246 */\n dup1\n mload\n dup7\n dup2\n mstore\n swap1\n mload\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1144:1148 */\n swap3\n swap5\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1160:1189 */\n swap4\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1160:1179 */\n swap3\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1208:1246 */\n 0x8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925\n swap3\n swap2\n dup2\n swap1\n sub\n swap1\n swap2\n add\n swap1\n log3\n pop\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1263:1267 */\n 0x1\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1087:1274 */\n tag_44:\n swap3\n swap2\n pop\n pop\n jump\t// out\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":937:972 uint256 public totalSupply = 10**27 */\n tag_22:\n sload(0x3)\n dup2\n jump\t// out\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1066:1675 */\n tag_25:\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1198:1212 */\n 0xffffffffffffffffffffffffffffffffffffffff\n dup1\n dup5\n and\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1161:1165 */\n 0x0\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1198:1212 */\n dup2\n dup2\n mstore\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1198:1205 */\n 0x1\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1198:1212 */\n 0x20\n swap1\n dup2\n mstore\n 0x40\n dup1\n dup4\n sha3\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1213:1223 */\n caller\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1198:1224 */\n swap1\n swap6\n and\n dup4\n mstore\n swap4\n dup2\n mstore\n dup4\n dup3\n sha3\n sload\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1238:1253 */\n swap3\n dup3\n mstore\n dup2\n swap1\n mstore\n swap2\n dup3\n sha3\n sload\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1238:1263 */\n dup4\n swap1\n lt\n dup1\n iszero\n swap1\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1238:1298 */\n tag_46\n jumpi\n pop\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1292:1298 */\n dup3\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1279:1288 */\n dup2\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1279:1298 */\n lt\n iszero\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1238:1298 */\n tag_46:\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1238:1353 */\n dup1\n iszero\n tag_47\n jumpi\n pop\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1340:1353 */\n 0xffffffffffffffffffffffffffffffffffffffff\n dup5\n and\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1340:1348 */\n 0x0\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1340:1353 */\n swap1\n dup2\n mstore\n 0x20\n dup2\n swap1\n mstore\n 0x40\n swap1\n sha3\n sload\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1314:1336 */\n dup4\n dup2\n add\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1314:1353 */\n lt\n iszero\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1238:1353 */\n tag_47:\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1234:1669 */\n iszero\n tag_48\n jumpi\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1378:1391 */\n 0xffffffffffffffffffffffffffffffffffffffff\n dup1\n dup6\n and\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1378:1386 */\n 0x0\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1378:1391 */\n swap1\n dup2\n mstore\n 0x20\n dup2\n swap1\n mstore\n 0x40\n dup1\n dup3\n sha3\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1378:1401 */\n dup1\n sload\n dup8\n add\n swap1\n sstore\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1415:1430 */\n swap2\n dup8\n and\n dup2\n mstore\n sha3\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1415:1440 */\n dup1\n sload\n dup5\n swap1\n sub\n swap1\n sstore\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":768:778 */\n 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1458:1478 */\n dup2\n lt\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1454:1549 */\n iszero\n tag_49\n jumpi\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1498:1512 */\n 0xffffffffffffffffffffffffffffffffffffffff\n dup1\n dup7\n and\n 0x0\n swap1\n dup2\n mstore\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1498:1505 */\n 0x1\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1498:1512 */\n 0x20\n swap1\n dup2\n mstore\n 0x40\n dup1\n dup4\n sha3\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1513:1523 */\n caller\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1498:1524 */\n swap1\n swap5\n and\n dup4\n mstore\n swap3\n swap1\n mstore\n sha3\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1498:1534 */\n dup1\n sload\n dup5\n swap1\n sub\n swap1\n sstore\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1454:1549 */\n tag_49:\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1578:1581 */\n dup4\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1562:1590 */\n 0xffffffffffffffffffffffffffffffffffffffff\n and\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1571:1576 */\n dup6\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1562:1590 */\n 0xffffffffffffffffffffffffffffffffffffffff\n and\n 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1583:1589 */\n dup6\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1562:1590 */\n mload(0x40)\n dup1\n dup3\n dup2\n mstore\n 0x20\n add\n swap2\n pop\n pop\n mload(0x40)\n dup1\n swap2\n sub\n swap1\n log3\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1611:1615 */\n 0x1\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1604:1615 */\n swap2\n pop\n jump(tag_50)\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1234:1669 */\n tag_48:\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1653:1658 */\n 0x0\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1646:1658 */\n swap2\n pop\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1234:1669 */\n tag_50:\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1066:1675 */\n tag_45:\n pop\n swap4\n swap3\n pop\n pop\n pop\n jump\t// out\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":896:931 uint8 constant public decimals = 18 */\n tag_28:\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":929:931 18 */\n 0x12\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":896:931 uint8 constant public decimals = 18 */\n dup2\n jump\t// out\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":982:1081 */\n tag_31:\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1058:1074 */\n 0xffffffffffffffffffffffffffffffffffffffff\n dup2\n and\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1035:1039 */\n 0x0\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1058:1074 */\n swap1\n dup2\n mstore\n 0x20\n dup2\n swap1\n mstore\n 0x40\n swap1\n sha3\n sload\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":982:1081 */\n tag_51:\n swap2\n swap1\n pop\n jump\t// out\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1072:1109 string constant public symbol = \"ZRX\" */\n tag_34:\n 0x40\n dup1\n mload\n dup1\n dup3\n add\n swap1\n swap2\n mstore\n 0x3\n dup2\n mstore\n 0x5a52580000000000000000000000000000000000000000000000000000000000\n 0x20\n dup3\n add\n mstore\n dup2\n jump\t// out\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":125:535 */\n tag_40:\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":267:287 */\n 0xffffffffffffffffffffffffffffffffffffffff\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":276:286 */\n caller\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":267:287 */\n and\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":178:182 */\n 0x0\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":267:287 */\n swap1\n dup2\n mstore\n 0x20\n dup2\n swap1\n mstore\n 0x40\n dup2\n sha3\n sload\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":267:297 */\n dup3\n swap1\n lt\n dup1\n iszero\n swap1\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":267:340 */\n tag_53\n jumpi\n pop\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":327:340 */\n 0xffffffffffffffffffffffffffffffffffffffff\n dup4\n and\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":327:335 */\n 0x0\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":327:340 */\n swap1\n dup2\n mstore\n 0x20\n dup2\n swap1\n mstore\n 0x40\n swap1\n sha3\n sload\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":301:323 */\n dup3\n dup2\n add\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":301:340 */\n lt\n iszero\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":267:340 */\n tag_53:\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":263:529 */\n iszero\n tag_54\n jumpi\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":356:376 */\n 0xffffffffffffffffffffffffffffffffffffffff\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":365:375 */\n caller\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":356:376 */\n dup2\n and\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":356:364 */\n 0x0\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":356:376 */\n dup2\n dup2\n mstore\n 0x20\n dup2\n dup2\n mstore\n 0x40\n dup1\n dup4\n sha3\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":356:386 */\n dup1\n sload\n dup9\n swap1\n sub\n swap1\n sstore\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":400:413 */\n swap4\n dup8\n and\n dup1\n dup4\n mstore\n swap2\n dup5\n swap1\n sha3\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":400:423 */\n dup1\n sload\n dup8\n add\n swap1\n sstore\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":437:470 */\n dup4\n mload\n dup7\n dup2\n mstore\n swap4\n mload\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":400:413 */\n swap2\n swap4\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":437:470 */\n 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef\n swap3\n swap1\n dup2\n swap1\n sub\n swap1\n swap2\n add\n swap1\n log3\n pop\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":491:495 */\n 0x1\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":484:495 */\n jump(tag_44)\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":263:529 */\n tag_54:\n pop\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":521:526 */\n 0x0\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":514:526 */\n jump(tag_44)\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":263:529 */\n tag_55:\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":125:535 */\n tag_52:\n swap3\n swap2\n pop\n pop\n jump\t// out\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1280:1406 */\n tag_43:\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1374:1389 */\n 0xffffffffffffffffffffffffffffffffffffffff\n dup1\n dup4\n and\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1351:1355 */\n 0x0\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1374:1389 */\n swap1\n dup2\n mstore\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1374:1381 */\n 0x1\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1374:1389 */\n 0x20\n swap1\n dup2\n mstore\n 0x40\n dup1\n dup4\n sha3\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1374:1399 */\n swap4\n dup6\n and\n dup4\n mstore\n swap3\n swap1\n mstore\n sha3\n sload\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1280:1406 */\n tag_56:\n swap3\n swap2\n pop\n pop\n jump\t// out\n}\n", - "bytecode": { - "linkReferences": {}, - "object": "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", - "opcodes": "PUSH1 0x60 PUSH1 0x40 MSTORE PUSH12 0x33B2E3C9FD0803CE8000000 PUSH1 0x3 SSTORE CALLVALUE ISZERO PUSH2 0x1C JUMPI INVALID JUMPDEST JUMPDEST PUSH1 0x3 SLOAD PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB CALLER AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 SHA3 SSTORE JUMPDEST JUMPDEST PUSH2 0x78D DUP1 PUSH2 0x4A PUSH1 0x0 CODECOPY PUSH1 0x0 RETURN STOP PUSH1 0x60 PUSH1 0x40 MSTORE CALLDATASIZE ISZERO PUSH2 0x96 JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x6FDDE03 DUP2 EQ PUSH2 0x98 JUMPI DUP1 PUSH4 0x95EA7B3 EQ PUSH2 0x146 JUMPI DUP1 PUSH4 0x18160DDD EQ PUSH2 0x186 JUMPI DUP1 PUSH4 0x23B872DD EQ PUSH2 0x1A8 JUMPI DUP1 PUSH4 0x313CE567 EQ PUSH2 0x1EE JUMPI DUP1 PUSH4 0x70A08231 EQ PUSH2 0x214 JUMPI DUP1 PUSH4 0x95D89B41 EQ PUSH2 0x24F JUMPI DUP1 PUSH4 0xA9059CBB EQ PUSH2 0x2FD JUMPI DUP1 PUSH4 0xDD62ED3E EQ PUSH2 0x33D JUMPI JUMPDEST INVALID JUMPDEST CALLVALUE ISZERO PUSH2 0xA0 JUMPI INVALID JUMPDEST PUSH2 0xA8 PUSH2 0x37E JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 ADD SWAP1 DUP1 DUP4 DUP4 DUP3 ISZERO PUSH2 0x10C JUMPI JUMPDEST DUP1 MLOAD DUP3 MSTORE PUSH1 0x20 DUP4 GT ISZERO PUSH2 0x10C JUMPI PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0xCE JUMP JUMPDEST POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x138 JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x14E JUMPI INVALID JUMPDEST PUSH2 0x172 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x3B5 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x18E JUMPI INVALID JUMPDEST PUSH2 0x196 PUSH2 0x42D JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x1B0 JUMPI INVALID JUMPDEST PUSH2 0x172 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x433 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x1F6 JUMPI INVALID JUMPDEST PUSH2 0x1FE PUSH2 0x5D4 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0xFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x21C JUMPI INVALID JUMPDEST PUSH2 0x196 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x5D9 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x257 JUMPI INVALID JUMPDEST PUSH2 0xA8 PUSH2 0x605 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 ADD SWAP1 DUP1 DUP4 DUP4 DUP3 ISZERO PUSH2 0x10C JUMPI JUMPDEST DUP1 MLOAD DUP3 MSTORE PUSH1 0x20 DUP4 GT ISZERO PUSH2 0x10C JUMPI PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0xCE JUMP JUMPDEST POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x138 JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x305 JUMPI INVALID JUMPDEST PUSH2 0x172 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x63C JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x345 JUMPI INVALID JUMPDEST PUSH2 0x196 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0x727 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST PUSH1 0x40 DUP1 MLOAD DUP1 DUP3 ADD SWAP1 SWAP2 MSTORE PUSH1 0x11 DUP2 MSTORE PUSH32 0x30782050726F746F636F6C20546F6B656E000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF CALLER DUP2 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 SHA3 SWAP5 DUP8 AND DUP1 DUP5 MSTORE SWAP5 DUP3 MSTORE DUP1 DUP4 SHA3 DUP7 SWAP1 SSTORE DUP1 MLOAD DUP7 DUP2 MSTORE SWAP1 MLOAD SWAP3 SWAP5 SWAP4 SWAP3 PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 SWAP3 SWAP2 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP PUSH1 0x1 JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x3 SLOAD DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP5 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 SHA3 CALLER SWAP1 SWAP6 AND DUP4 MSTORE SWAP4 DUP2 MSTORE DUP4 DUP3 SHA3 SLOAD SWAP3 DUP3 MSTORE DUP2 SWAP1 MSTORE SWAP2 DUP3 SHA3 SLOAD DUP4 SWAP1 LT DUP1 ISZERO SWAP1 PUSH2 0x483 JUMPI POP DUP3 DUP2 LT ISZERO JUMPDEST DUP1 ISZERO PUSH2 0x4B6 JUMPI POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 SHA3 SLOAD DUP4 DUP2 ADD LT ISZERO JUMPDEST ISZERO PUSH2 0x5C6 JUMPI PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP6 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP1 DUP3 SHA3 DUP1 SLOAD DUP8 ADD SWAP1 SSTORE SWAP2 DUP8 AND DUP2 MSTORE SHA3 DUP1 SLOAD DUP5 SWAP1 SUB SWAP1 SSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 LT ISZERO PUSH2 0x558 JUMPI PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP7 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 SHA3 CALLER SWAP1 SWAP5 AND DUP4 MSTORE SWAP3 SWAP1 MSTORE SHA3 DUP1 SLOAD DUP5 SWAP1 SUB SWAP1 SSTORE JUMPDEST DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF DUP6 PUSH1 0x40 MLOAD DUP1 DUP3 DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 PUSH1 0x1 SWAP2 POP PUSH2 0x5CB JUMP JUMPDEST PUSH1 0x0 SWAP2 POP JUMPDEST JUMPDEST POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x12 DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 SHA3 SLOAD JUMPDEST SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD DUP1 DUP3 ADD SWAP1 SWAP2 MSTORE PUSH1 0x3 DUP2 MSTORE PUSH32 0x5A52580000000000000000000000000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF CALLER AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP2 SHA3 SLOAD DUP3 SWAP1 LT DUP1 ISZERO SWAP1 PUSH2 0x699 JUMPI POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 SHA3 SLOAD DUP3 DUP2 ADD LT ISZERO JUMPDEST ISZERO PUSH2 0x718 JUMPI PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF CALLER DUP2 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 SHA3 DUP1 SLOAD DUP9 SWAP1 SUB SWAP1 SSTORE SWAP4 DUP8 AND DUP1 DUP4 MSTORE SWAP2 DUP5 SWAP1 SHA3 DUP1 SLOAD DUP8 ADD SWAP1 SSTORE DUP4 MLOAD DUP7 DUP2 MSTORE SWAP4 MLOAD SWAP2 SWAP4 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP3 SWAP1 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP PUSH1 0x1 PUSH2 0x427 JUMP JUMPDEST POP PUSH1 0x0 PUSH2 0x427 JUMP JUMPDEST JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 SHA3 SWAP4 DUP6 AND DUP4 MSTORE SWAP3 SWAP1 MSTORE SHA3 SLOAD JUMPDEST SWAP3 SWAP2 POP POP JUMP STOP LOG1 PUSH6 0x627A7A723058 SHA3 0x1b JUMPDEST PUSH17 0xCF82A73DEC658C2E60AB9A0F8E2BA01A74 0xb6 PUSH11 0x6F5B0402F56D2EA0FFCF00 0x29 ", - "sourceMap": "795:455:3:-;;;966:6;937:35;;1158:90;;;;;;;1230:11;;-1:-1:-1;;;;;1216:10:3;1207:20;:8;:20;;;;;;;;;;:34;1158:90;795:455;;;;;;;" - }, - "deployedBytecode": { - "linkReferences": {}, - "object": "0x606060405236156100965763ffffffff7c010000000000000000000000000000000000000000000000000000000060003504166306fdde038114610098578063095ea7b31461014657806318160ddd1461018657806323b872dd146101a8578063313ce567146101ee57806370a082311461021457806395d89b411461024f578063a9059cbb146102fd578063dd62ed3e1461033d575bfe5b34156100a057fe5b6100a861037e565b60408051602080825283518183015283519192839290830191850190808383821561010c575b80518252602083111561010c577fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe090920191602091820191016100ce565b505050905090810190601f1680156101385780820380516001836020036101000a031916815260200191505b509250505060405180910390f35b341561014e57fe5b61017273ffffffffffffffffffffffffffffffffffffffff600435166024356103b5565b604080519115158252519081900360200190f35b341561018e57fe5b61019661042d565b60408051918252519081900360200190f35b34156101b057fe5b61017273ffffffffffffffffffffffffffffffffffffffff60043581169060243516604435610433565b604080519115158252519081900360200190f35b34156101f657fe5b6101fe6105d4565b6040805160ff9092168252519081900360200190f35b341561021c57fe5b61019673ffffffffffffffffffffffffffffffffffffffff600435166105d9565b60408051918252519081900360200190f35b341561025757fe5b6100a8610605565b60408051602080825283518183015283519192839290830191850190808383821561010c575b80518252602083111561010c577fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe090920191602091820191016100ce565b505050905090810190601f1680156101385780820380516001836020036101000a031916815260200191505b509250505060405180910390f35b341561030557fe5b61017273ffffffffffffffffffffffffffffffffffffffff6004351660243561063c565b604080519115158252519081900360200190f35b341561034557fe5b61019673ffffffffffffffffffffffffffffffffffffffff60043581169060243516610727565b60408051918252519081900360200190f35b60408051808201909152601181527f30782050726f746f636f6c20546f6b656e000000000000000000000000000000602082015281565b73ffffffffffffffffffffffffffffffffffffffff338116600081815260016020908152604080832094871680845294825280832086905580518681529051929493927f8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925929181900390910190a35060015b92915050565b60035481565b73ffffffffffffffffffffffffffffffffffffffff808416600081815260016020908152604080832033909516835293815283822054928252819052918220548390108015906104835750828110155b80156104b6575073ffffffffffffffffffffffffffffffffffffffff841660009081526020819052604090205483810110155b156105c65773ffffffffffffffffffffffffffffffffffffffff808516600090815260208190526040808220805487019055918716815220805484900390557fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff8110156105585773ffffffffffffffffffffffffffffffffffffffff808616600090815260016020908152604080832033909416835292905220805484900390555b8373ffffffffffffffffffffffffffffffffffffffff168573ffffffffffffffffffffffffffffffffffffffff167fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef856040518082815260200191505060405180910390a3600191506105cb565b600091505b5b509392505050565b601281565b73ffffffffffffffffffffffffffffffffffffffff81166000908152602081905260409020545b919050565b60408051808201909152600381527f5a52580000000000000000000000000000000000000000000000000000000000602082015281565b73ffffffffffffffffffffffffffffffffffffffff3316600090815260208190526040812054829010801590610699575073ffffffffffffffffffffffffffffffffffffffff831660009081526020819052604090205482810110155b156107185773ffffffffffffffffffffffffffffffffffffffff33811660008181526020818152604080832080548890039055938716808352918490208054870190558351868152935191937fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef929081900390910190a3506001610427565b506000610427565b5b92915050565b73ffffffffffffffffffffffffffffffffffffffff8083166000908152600160209081526040808320938516835292905220545b929150505600a165627a7a723058201b5b70cf82a73dec658c2e60ab9a0f8e2ba01a74b66a6f5b0402f56d2ea0ffcf0029", - "opcodes": "PUSH1 0x60 PUSH1 0x40 MSTORE CALLDATASIZE ISZERO PUSH2 0x96 JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x6FDDE03 DUP2 EQ PUSH2 0x98 JUMPI DUP1 PUSH4 0x95EA7B3 EQ PUSH2 0x146 JUMPI DUP1 PUSH4 0x18160DDD EQ PUSH2 0x186 JUMPI DUP1 PUSH4 0x23B872DD EQ PUSH2 0x1A8 JUMPI DUP1 PUSH4 0x313CE567 EQ PUSH2 0x1EE JUMPI DUP1 PUSH4 0x70A08231 EQ PUSH2 0x214 JUMPI DUP1 PUSH4 0x95D89B41 EQ PUSH2 0x24F JUMPI DUP1 PUSH4 0xA9059CBB EQ PUSH2 0x2FD JUMPI DUP1 PUSH4 0xDD62ED3E EQ PUSH2 0x33D JUMPI JUMPDEST INVALID JUMPDEST CALLVALUE ISZERO PUSH2 0xA0 JUMPI INVALID JUMPDEST PUSH2 0xA8 PUSH2 0x37E JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 ADD SWAP1 DUP1 DUP4 DUP4 DUP3 ISZERO PUSH2 0x10C JUMPI JUMPDEST DUP1 MLOAD DUP3 MSTORE PUSH1 0x20 DUP4 GT ISZERO PUSH2 0x10C JUMPI PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0xCE JUMP JUMPDEST POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x138 JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x14E JUMPI INVALID JUMPDEST PUSH2 0x172 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x3B5 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x18E JUMPI INVALID JUMPDEST PUSH2 0x196 PUSH2 0x42D JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x1B0 JUMPI INVALID JUMPDEST PUSH2 0x172 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x433 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x1F6 JUMPI INVALID JUMPDEST PUSH2 0x1FE PUSH2 0x5D4 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0xFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x21C JUMPI INVALID JUMPDEST PUSH2 0x196 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x5D9 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x257 JUMPI INVALID JUMPDEST PUSH2 0xA8 PUSH2 0x605 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 ADD SWAP1 DUP1 DUP4 DUP4 DUP3 ISZERO PUSH2 0x10C JUMPI JUMPDEST DUP1 MLOAD DUP3 MSTORE PUSH1 0x20 DUP4 GT ISZERO PUSH2 0x10C JUMPI PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0xCE JUMP JUMPDEST POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x138 JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x305 JUMPI INVALID JUMPDEST PUSH2 0x172 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x63C JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x345 JUMPI INVALID JUMPDEST PUSH2 0x196 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0x727 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST PUSH1 0x40 DUP1 MLOAD DUP1 DUP3 ADD SWAP1 SWAP2 MSTORE PUSH1 0x11 DUP2 MSTORE PUSH32 0x30782050726F746F636F6C20546F6B656E000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF CALLER DUP2 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 SHA3 SWAP5 DUP8 AND DUP1 DUP5 MSTORE SWAP5 DUP3 MSTORE DUP1 DUP4 SHA3 DUP7 SWAP1 SSTORE DUP1 MLOAD DUP7 DUP2 MSTORE SWAP1 MLOAD SWAP3 SWAP5 SWAP4 SWAP3 PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 SWAP3 SWAP2 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP PUSH1 0x1 JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x3 SLOAD DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP5 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 SHA3 CALLER SWAP1 SWAP6 AND DUP4 MSTORE SWAP4 DUP2 MSTORE DUP4 DUP3 SHA3 SLOAD SWAP3 DUP3 MSTORE DUP2 SWAP1 MSTORE SWAP2 DUP3 SHA3 SLOAD DUP4 SWAP1 LT DUP1 ISZERO SWAP1 PUSH2 0x483 JUMPI POP DUP3 DUP2 LT ISZERO JUMPDEST DUP1 ISZERO PUSH2 0x4B6 JUMPI POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 SHA3 SLOAD DUP4 DUP2 ADD LT ISZERO JUMPDEST ISZERO PUSH2 0x5C6 JUMPI PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP6 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP1 DUP3 SHA3 DUP1 SLOAD DUP8 ADD SWAP1 SSTORE SWAP2 DUP8 AND DUP2 MSTORE SHA3 DUP1 SLOAD DUP5 SWAP1 SUB SWAP1 SSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 LT ISZERO PUSH2 0x558 JUMPI PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP7 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 SHA3 CALLER SWAP1 SWAP5 AND DUP4 MSTORE SWAP3 SWAP1 MSTORE SHA3 DUP1 SLOAD DUP5 SWAP1 SUB SWAP1 SSTORE JUMPDEST DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF DUP6 PUSH1 0x40 MLOAD DUP1 DUP3 DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 PUSH1 0x1 SWAP2 POP PUSH2 0x5CB JUMP JUMPDEST PUSH1 0x0 SWAP2 POP JUMPDEST JUMPDEST POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x12 DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 SHA3 SLOAD JUMPDEST SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD DUP1 DUP3 ADD SWAP1 SWAP2 MSTORE PUSH1 0x3 DUP2 MSTORE PUSH32 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"name": "Identifier", - "src": "1230:11:3" - } - ], - "id": 27, - "name": "Assignment", - "src": "1207:34:3" - } - ], - "id": 28, - "name": "ExpressionStatement", - "src": "1207:34:3" - } - ], - "id": 29, - "name": "Block", - "src": "1197:51:3" - } - ], - "id": 30, - "name": "FunctionDefinition", - "src": "1158:90:3" - } - ], - "id": 31, - "name": "ContractDefinition", - "src": "795:455:3" - } - ], - "name": "SourceUnit" - } - } - }, - "sourceCodes": { - "1.0.0/ERC20Token/ERC20Token_v1.sol": "pragma solidity ^0.4.11;\n\nimport { Token_v1 as Token } from \"../Token/Token_v1.sol\";\n\ncontract ERC20Token_v1 is Token {\n\n function transfer(address _to, uint _value) returns (bool) {\n //Default assumes totalSupply can't be over max (2^256 - 1).\n if (balances[msg.sender] >= _value && balances[_to] + _value >= balances[_to]) {\n balances[msg.sender] -= _value;\n balances[_to] += _value;\n Transfer(msg.sender, _to, _value);\n return true;\n } else { return false; }\n }\n\n function transferFrom(address _from, address _to, uint _value) returns (bool) {\n if (balances[_from] >= _value && allowed[_from][msg.sender] >= _value && balances[_to] + _value >= balances[_to]) {\n balances[_to] += _value;\n balances[_from] -= _value;\n allowed[_from][msg.sender] -= _value;\n Transfer(_from, _to, _value);\n return true;\n } else { return false; }\n }\n\n function balanceOf(address _owner) constant returns (uint) {\n return balances[_owner];\n }\n\n function approve(address _spender, uint _value) returns (bool) {\n allowed[msg.sender][_spender] = _value;\n Approval(msg.sender, _spender, _value);\n return true;\n }\n\n function allowance(address _owner, address _spender) constant returns (uint) {\n return allowed[_owner][_spender];\n }\n\n mapping (address => uint) balances;\n mapping (address => mapping (address => uint)) allowed;\n uint public totalSupply;\n}\n", - "1.0.0/Token/Token_v1.sol": "pragma solidity ^0.4.11;\n\ncontract Token_v1 {\n\n /// @return total amount of tokens\n function totalSupply() constant returns (uint supply) {}\n\n /// @param _owner The address from which the balance will be retrieved\n /// @return The balance\n function balanceOf(address _owner) constant returns (uint balance) {}\n\n /// @notice send `_value` token to `_to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return Whether the transfer was successful or not\n function transfer(address _to, uint _value) returns (bool success) {}\n\n /// @notice send `_value` token to `_to` from `_from` on the condition it is approved by `_from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return Whether the transfer was successful or not\n function transferFrom(address _from, address _to, uint _value) returns (bool success) {}\n\n /// @notice `msg.sender` approves `_addr` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Whether the approval was successful or not\n function approve(address _spender, uint _value) returns (bool success) {}\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender) constant returns (uint remaining) {}\n\n event Transfer(address indexed _from, address indexed _to, uint _value);\n event Approval(address indexed _owner, address indexed _spender, uint _value);\n}\n\n", - "1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity ^0.4.11;\n\nimport { ERC20Token_v1 as ERC20Token } from \"../ERC20Token/ERC20Token_v1.sol\";\n\ncontract UnlimitedAllowanceToken_v1 is ERC20Token {\n\n uint constant MAX_UINT = 2**256 - 1;\n\n /// @dev ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited allowance.\n /// @param _from Address to transfer from.\n /// @param _to Address to transfer to.\n /// @param _value Amount to transfer.\n /// @return Success of transfer.\n function transferFrom(address _from, address _to, uint _value)\n public\n returns (bool)\n {\n uint allowance = allowed[_from][msg.sender];\n if (balances[_from] >= _value\n && allowance >= _value\n && balances[_to] + _value >= balances[_to]\n ) {\n balances[_to] += _value;\n balances[_from] -= _value;\n if (allowance < MAX_UINT) {\n allowed[_from][msg.sender] -= _value;\n }\n Transfer(_from, _to, _value);\n return true;\n } else {\n return false;\n }\n }\n}\n", - "2.0.0/tokens/ZRXToken/ZRXToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.11;\n\n// solhint-disable-next-line max-line-length\nimport { UnlimitedAllowanceToken_v1 as UnlimitedAllowanceToken } from \"../../../1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\";\n\n\ncontract ZRXToken is \n UnlimitedAllowanceToken\n{\n\n // solhint-disable const-name-snakecase\n uint8 constant public decimals = 18;\n uint256 public totalSupply = 10**27; // 1 billion tokens, 18 decimal places\n string constant public name = \"0x Protocol Token\";\n string constant public symbol = \"ZRX\";\n // solhint-enableconst-name-snakecase\n\n function ZRXToken()\n public\n {\n balances[msg.sender] = totalSupply;\n }\n}\n" - }, - "sourceTreeHashHex": "0xe3fb14114a377d3b5f004168d4f43cb29ab930b3277425645bdbd609bf974317", - "compiler": { - "name": "solc", - "version": "soljson-v0.4.11+commit.68ef5810.js", - "settings": { - "optimizer": { - "enabled": true, - "runs": 1000000 - }, - "outputSelection": { - "*": { - "*": [ - "abi", - "evm.bytecode.object", - "evm.bytecode.sourceMap", - "evm.deployedBytecode.object", - "evm.deployedBytecode.sourceMap" - ] - } - } - } - }, - "networks": { - "3": { - "address": "0xff67881f8d12f372d91baae9752eb3631ff0ed00", - "links": {}, - "constructorArgs": "[\"0x Protocol Token\",\"ZRX\",\"18\",\"1000000000000000000000000000\"]" - }, - "42": { - "address": "0x2002d3812f58e35f0ea1ffbf80a75a38c32175fa", - "links": {}, - "constructorArgs": "[\"0x Protocol Token\",\"ZRX\",\"18\",\"1000000000000000000000000000\"]" - }, - "50": { - "address": "0x871dd7c2b4b25e1aa18728e9d5f2af4c4e431f5c", - "links": {}, - "constructorArgs": "[]" - } - } -} diff --git a/packages/migrations/artifacts/2.0.0/AssetProxyOwner.json b/packages/migrations/artifacts/2.0.0/AssetProxyOwner.json new file mode 100644 index 000000000..680ed3abd --- /dev/null +++ b/packages/migrations/artifacts/2.0.0/AssetProxyOwner.json @@ -0,0 +1,985 @@ +{ + "schemaVersion": "2.0.0", + "contractName": "AssetProxyOwner", + "compilerOutput": { + "abi": [ + { + "constant": true, + "inputs": [ + { + "name": "", + "type": "uint256" + } + ], + "name": "owners", + "outputs": [ + { + "name": "", + "type": "address" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "owner", + "type": "address" + } + ], + "name": "removeOwner", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "transactionId", + "type": "uint256" + } + ], + "name": "revokeConfirmation", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "", + "type": "address" + } + ], + "name": "isOwner", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "", + "type": "uint256" + }, + { + "name": "", + "type": "address" + } + ], + "name": "confirmations", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "transactionId", + "type": "uint256" + } + ], + "name": "executeRemoveAuthorizedAddressAtIndex", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "secondsTimeLocked", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "pending", + "type": "bool" + }, + { + "name": "executed", + "type": "bool" + } + ], + "name": "getTransactionCount", + "outputs": [ + { + "name": "count", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "assetProxyContract", + "type": "address" + }, + { + "name": "isRegistered", + "type": "bool" + } + ], + "name": "registerAssetProxy", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "owner", + "type": "address" + } + ], + "name": "addOwner", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "transactionId", + "type": "uint256" + } + ], + "name": "isConfirmed", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_secondsTimeLocked", + "type": "uint256" + } + ], + "name": "changeTimeLock", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "", + "type": "address" + } + ], + "name": "isAssetProxyRegistered", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "transactionId", + "type": "uint256" + } + ], + "name": "getConfirmationCount", + "outputs": [ + { + "name": "count", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "", + "type": "uint256" + } + ], + "name": "transactions", + "outputs": [ + { + "name": "destination", + "type": "address" + }, + { + "name": "value", + "type": "uint256" + }, + { + "name": "data", + "type": "bytes" + }, + { + "name": "executed", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "getOwners", + "outputs": [ + { + "name": "", + "type": "address[]" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "from", + "type": "uint256" + }, + { + "name": "to", + "type": "uint256" + }, + { + "name": "pending", + "type": "bool" + }, + { + "name": "executed", + "type": "bool" + } + ], + "name": "getTransactionIds", + "outputs": [ + { + "name": "_transactionIds", + "type": "uint256[]" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "transactionId", + "type": "uint256" + } + ], + "name": "getConfirmations", + "outputs": [ + { + "name": "_confirmations", + "type": "address[]" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "transactionCount", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_required", + "type": "uint256" + } + ], + "name": "changeRequirement", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "transactionId", + "type": "uint256" + } + ], + "name": "confirmTransaction", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "destination", + "type": "address" + }, + { + "name": "value", + "type": "uint256" + }, + { + "name": "data", + "type": "bytes" + } + ], + "name": "submitTransaction", + "outputs": [ + { + "name": "transactionId", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "", + "type": "uint256" + } + ], + "name": "confirmationTimes", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "MAX_OWNER_COUNT", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "required", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "owner", + "type": "address" + }, + { + "name": "newOwner", + "type": "address" + } + ], + "name": "replaceOwner", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "transactionId", + "type": "uint256" + } + ], + "name": "executeTransaction", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "inputs": [ + { + "name": "_owners", + "type": "address[]" + }, + { + "name": "_assetProxyContracts", + "type": "address[]" + }, + { + "name": "_required", + "type": "uint256" + }, + { + "name": "_secondsTimeLocked", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "constructor" + }, + { + "payable": true, + "stateMutability": "payable", + "type": "fallback" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": false, + "name": "assetProxyContract", + "type": "address" + }, + { + "indexed": false, + "name": "isRegistered", + "type": "bool" + } + ], + "name": "AssetProxyRegistration", + "type": "event" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "transactionId", + "type": "uint256" + }, + { + "indexed": false, + "name": "confirmationTime", + "type": "uint256" + } + ], + "name": "ConfirmationTimeSet", + "type": "event" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": false, + "name": "secondsTimeLocked", + "type": "uint256" + } + ], + "name": "TimeLockChange", + "type": "event" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "sender", + "type": "address" + }, + { + "indexed": true, + "name": "transactionId", + "type": "uint256" + } + ], + "name": "Confirmation", + "type": "event" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "sender", + "type": "address" + }, + { + "indexed": true, + "name": "transactionId", + "type": "uint256" + } + ], + "name": "Revocation", + "type": "event" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "transactionId", + "type": "uint256" + } + ], + "name": "Submission", + "type": "event" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "transactionId", + "type": "uint256" + } + ], + "name": "Execution", + "type": "event" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "transactionId", + "type": "uint256" + } + ], + "name": "ExecutionFailure", + "type": "event" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "sender", + "type": "address" + }, + { + "indexed": false, + "name": "value", + "type": "uint256" + } + ], + "name": "Deposit", + "type": "event" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "owner", + "type": "address" + } + ], + "name": "OwnerAddition", + "type": "event" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "owner", + "type": "address" + } + ], + "name": "OwnerRemoval", + "type": "event" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": false, + "name": "required", + "type": "uint256" + } + ], + "name": "RequirementChange", + "type": "event" + } + ], + "evm": { + "bytecode": { + "linkReferences": {}, + "object": 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+ "opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE CALLVALUE DUP1 ISZERO PUSH3 0x11 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x40 MLOAD PUSH3 0x2463 CODESIZE SUB DUP1 PUSH3 0x2463 DUP4 CODECOPY DUP2 ADD PUSH1 0x40 SWAP1 DUP2 MSTORE DUP2 MLOAD PUSH1 0x20 DUP4 ADD MLOAD SWAP2 DUP4 ADD MLOAD PUSH1 0x60 DUP5 ADD MLOAD SWAP2 DUP5 ADD DUP1 MLOAD SWAP1 SWAP5 SWAP4 SWAP1 SWAP4 ADD SWAP3 SWAP1 SWAP2 SWAP1 PUSH1 0x0 SWAP1 DUP2 SWAP1 DUP7 SWAP1 DUP6 SWAP1 DUP6 SWAP1 DUP4 SWAP1 DUP4 SWAP1 DUP7 SWAP1 DUP3 PUSH1 0x32 DUP3 GT DUP1 ISZERO SWAP1 PUSH3 0x6C JUMPI POP DUP2 DUP2 GT ISZERO JUMPDEST DUP1 ISZERO PUSH3 0x78 JUMPI POP DUP1 ISZERO ISZERO JUMPDEST DUP1 ISZERO PUSH3 0x84 JUMPI POP DUP2 ISZERO ISZERO JUMPDEST ISZERO ISZERO PUSH3 0x90 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 SWAP3 POP JUMPDEST DUP5 MLOAD DUP4 LT ISZERO PUSH3 0x168 JUMPI PUSH1 0x2 PUSH1 0x0 DUP7 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH3 0xB2 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD DUP2 ADD MLOAD PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB AND DUP3 MSTORE DUP2 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0x40 ADD PUSH1 0x0 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO DUP1 ISZERO PUSH3 0x108 JUMPI POP DUP5 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH3 0xF0 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB AND PUSH1 0x0 EQ ISZERO JUMPDEST ISZERO ISZERO PUSH3 0x114 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x1 PUSH1 0x2 PUSH1 0x0 DUP8 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH3 0x129 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP2 SWAP1 SWAP2 ADD DUP2 ADD MLOAD PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB AND DUP3 MSTORE DUP2 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0x40 ADD PUSH1 0x0 KECCAK256 DUP1 SLOAD PUSH1 0xFF NOT AND SWAP2 ISZERO ISZERO SWAP2 SWAP1 SWAP2 OR SWAP1 SSTORE PUSH1 0x1 SWAP3 SWAP1 SWAP3 ADD SWAP2 PUSH3 0x95 JUMP JUMPDEST DUP5 MLOAD PUSH3 0x17D SWAP1 PUSH1 0x3 SWAP1 PUSH1 0x20 DUP9 ADD SWAP1 PUSH3 0x26C JUMP JUMPDEST POP POP POP PUSH1 0x4 SWAP2 SWAP1 SWAP2 SSTORE POP POP PUSH1 0x6 SSTORE POP PUSH1 0x0 SWAP3 POP POP JUMPDEST DUP5 MLOAD DUP3 LT ISZERO PUSH3 0x260 JUMPI DUP5 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH3 0x1AB JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD SWAP1 POP PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB DUP2 AND ISZERO ISZERO PUSH3 0x22F JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x494E56414C49445F41535345545F50524F585900000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x8 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 DUP1 SLOAD PUSH1 0xFF NOT AND PUSH1 0x1 SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH3 0x192 JUMP JUMPDEST POP POP POP POP POP POP PUSH3 0x300 JUMP JUMPDEST DUP3 DUP1 SLOAD DUP3 DUP3 SSTORE SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 DUP2 ADD SWAP3 DUP3 ISZERO PUSH3 0x2C4 JUMPI SWAP2 PUSH1 0x20 MUL DUP3 ADD JUMPDEST DUP3 DUP2 GT ISZERO PUSH3 0x2C4 JUMPI DUP3 MLOAD DUP3 SLOAD PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB NOT AND PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB SWAP1 SWAP2 AND OR DUP3 SSTORE PUSH1 0x20 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH3 0x28D JUMP JUMPDEST POP PUSH3 0x2D2 SWAP3 SWAP2 POP PUSH3 0x2D6 JUMP JUMPDEST POP SWAP1 JUMP JUMPDEST PUSH3 0x2FD SWAP2 SWAP1 JUMPDEST DUP1 DUP3 GT ISZERO PUSH3 0x2D2 JUMPI DUP1 SLOAD PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB NOT AND DUP2 SSTORE PUSH1 0x1 ADD PUSH3 0x2DD JUMP JUMPDEST SWAP1 JUMP JUMPDEST PUSH2 0x2153 DUP1 PUSH3 0x310 PUSH1 0x0 CODECOPY PUSH1 0x0 RETURN STOP PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0x15E JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x25E7C27 DUP2 EQ PUSH2 0x1A0 JUMPI DUP1 PUSH4 0x173825D9 EQ PUSH2 0x1E1 JUMPI DUP1 PUSH4 0x20EA8D86 EQ PUSH2 0x20F JUMPI DUP1 PUSH4 0x2F54BF6E EQ PUSH2 0x227 JUMPI DUP1 PUSH4 0x3411C81C EQ PUSH2 0x269 JUMPI DUP1 PUSH4 0x3589B35C EQ PUSH2 0x29A JUMPI DUP1 PUSH4 0x37BD78A0 EQ PUSH2 0x2B2 JUMPI DUP1 PUSH4 0x54741525 EQ PUSH2 0x2D9 JUMPI DUP1 PUSH4 0x5A1A66AF EQ PUSH2 0x2F8 JUMPI DUP1 PUSH4 0x7065CB48 EQ PUSH2 0x32B JUMPI DUP1 PUSH4 0x784547A7 EQ PUSH2 0x359 JUMPI DUP1 PUSH4 0x7AD28C51 EQ PUSH2 0x371 JUMPI DUP1 PUSH4 0x83250F79 EQ PUSH2 0x389 JUMPI DUP1 PUSH4 0x8B51D13F EQ PUSH2 0x3B7 JUMPI DUP1 PUSH4 0x9ACE38C2 EQ PUSH2 0x3CF JUMPI DUP1 PUSH4 0xA0E67E2B EQ PUSH2 0x4A4 JUMPI DUP1 PUSH4 0xA8ABE69A EQ PUSH2 0x509 JUMPI DUP1 PUSH4 0xB5DC40C3 EQ PUSH2 0x52E JUMPI DUP1 PUSH4 0xB77BF600 EQ PUSH2 0x546 JUMPI DUP1 PUSH4 0xBA51A6DF EQ PUSH2 0x55B JUMPI DUP1 PUSH4 0xC01A8C84 EQ PUSH2 0x573 JUMPI DUP1 PUSH4 0xC6427474 EQ PUSH2 0x58B JUMPI DUP1 PUSH4 0xD38F2D82 EQ PUSH2 0x601 JUMPI DUP1 PUSH4 0xD74F8EDD EQ PUSH2 0x619 JUMPI DUP1 PUSH4 0xDC8452CD EQ PUSH2 0x62E JUMPI DUP1 PUSH4 0xE20056E6 EQ PUSH2 0x643 JUMPI DUP1 PUSH4 0xEE22610B EQ PUSH2 0x677 JUMPI JUMPDEST PUSH1 0x0 CALLVALUE GT ISZERO PUSH2 0x19E JUMPI PUSH1 0x40 DUP1 MLOAD CALLVALUE DUP2 MSTORE SWAP1 MLOAD CALLER SWAP2 PUSH32 0xE1FFFCC4923D04B559F4D29A8BFC6CDA04EB5B0D3C460751C2402C5C5CC9109C SWAP2 SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 LOG2 JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1AC JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1B8 PUSH1 0x4 CALLDATALOAD PUSH2 0x68F JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1ED JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x6C4 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x21B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0x91B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x233 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x255 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x9F3 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x275 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x255 PUSH1 0x4 CALLDATALOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x24 CALLDATALOAD AND PUSH2 0xA08 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2A6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0xA28 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2BE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH2 0xEDA JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2E5 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH1 0x4 CALLDATALOAD ISZERO ISZERO PUSH1 0x24 CALLDATALOAD ISZERO ISZERO PUSH2 0xEE0 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x304 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD ISZERO ISZERO PUSH2 0xF4C JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x337 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x100B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x365 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x255 PUSH1 0x4 CALLDATALOAD PUSH2 0x1180 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x37D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0x1211 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x395 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x255 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x1258 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3C3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH1 0x4 CALLDATALOAD PUSH2 0x126D JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3DB JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x3E7 PUSH1 0x4 CALLDATALOAD PUSH2 0x12E9 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD DUP5 DUP2 MSTORE PUSH1 0x20 ADD DUP1 PUSH1 0x20 ADD DUP4 ISZERO ISZERO ISZERO ISZERO DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP2 SUB DUP3 MSTORE DUP5 DUP2 DUP2 MLOAD DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP DUP1 MLOAD SWAP1 PUSH1 0x20 ADD SWAP1 DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x466 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x44E JUMP JUMPDEST POP POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x493 JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP6 POP POP POP POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x4B0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x4B9 PUSH2 0x13D2 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 DUP2 ADD SWAP2 MUL DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x4F5 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x4DD JUMP JUMPDEST POP POP POP POP SWAP1 POP ADD SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x515 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x4B9 PUSH1 0x4 CALLDATALOAD PUSH1 0x24 CALLDATALOAD PUSH1 0x44 CALLDATALOAD ISZERO ISZERO PUSH1 0x64 CALLDATALOAD ISZERO ISZERO PUSH2 0x1442 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x53A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x4B9 PUSH1 0x4 CALLDATALOAD PUSH2 0x157B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x552 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH2 0x1728 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x567 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0x172E JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x57F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0x17AD JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x597 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x4 PUSH1 0x44 CALLDATALOAD DUP2 DUP2 ADD CALLDATALOAD PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP6 ADD DUP5 ADD SWAP1 SWAP6 MSTORE DUP5 DUP5 MSTORE PUSH2 0x2C7 SWAP5 DUP3 CALLDATALOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP5 PUSH1 0x24 DUP1 CALLDATALOAD SWAP6 CALLDATASIZE SWAP6 SWAP5 PUSH1 0x64 SWAP5 SWAP3 ADD SWAP2 SWAP1 DUP2 SWAP1 DUP5 ADD DUP4 DUP3 DUP1 DUP3 DUP5 CALLDATACOPY POP SWAP5 SWAP8 POP PUSH2 0x1921 SWAP7 POP POP POP POP POP POP POP JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x60D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH1 0x4 CALLDATALOAD PUSH2 0x1940 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x625 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH2 0x1952 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x63A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH2 0x1957 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x64F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0x195D JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x683 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0x1B6D JUMP JUMPDEST PUSH1 0x3 DUP1 SLOAD DUP3 SWAP1 DUP2 LT PUSH2 0x69D JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 POP DUP2 JUMP JUMPDEST PUSH1 0x0 CALLER ADDRESS EQ PUSH2 0x6D2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP3 SWAP1 PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x708 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE SWAP2 POP JUMPDEST PUSH1 0x3 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP3 LT ISZERO PUSH2 0x88B JUMPI DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x3 DUP4 DUP2 SLOAD DUP2 LT ISZERO ISZERO PUSH2 0x7A8 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO PUSH2 0x880 JUMPI PUSH1 0x3 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 ADD SWAP1 DUP2 LT PUSH2 0x800 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH1 0x3 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND SWAP2 DUP5 SWAP1 DUP2 LT PUSH2 0x833 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 ADD PUSH1 0x0 PUSH2 0x100 EXP DUP2 SLOAD DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF MUL NOT AND SWAP1 DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND MUL OR SWAP1 SSTORE POP PUSH2 0x88B JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH2 0x756 JUMP JUMPDEST PUSH1 0x3 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 PUSH2 0x8BC SWAP1 DUP3 PUSH2 0x2066 JUMP JUMPDEST POP PUSH1 0x3 SLOAD PUSH1 0x4 SLOAD GT ISZERO PUSH2 0x8D5 JUMPI PUSH1 0x3 SLOAD PUSH2 0x8D5 SWAP1 PUSH2 0x172E JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND SWAP1 PUSH32 0x8001553A916EF2F495D26A907CC54D96ED840D7BDA71E73194BF5A9DF7A76B90 SWAP1 PUSH1 0x0 SWAP1 LOG2 POP POP POP JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x939 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP1 DUP6 MSTORE SWAP3 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD DUP4 SWAP2 SWAP1 PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x965 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x3 ADD SLOAD DUP5 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0x986 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP6 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP1 DUP6 MSTORE SWAP3 MSTORE DUP1 DUP4 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE MLOAD DUP8 SWAP3 PUSH32 0xF6A317157440607F36269043EB55F1287A5A19BA2216AFEAB88CD46CBCFB88E9 SWAP2 LOG3 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x0 SWAP3 DUP4 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 SWAP1 SWAP2 MSTORE SWAP1 DUP3 MSTORE SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP2 KECCAK256 PUSH1 0x3 ADD SLOAD DUP3 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0xA49 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP3 PUSH2 0xA53 DUP2 PUSH2 0x1180 JUMP JUMPDEST ISZERO ISZERO PUSH2 0xAC0 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x54585F4E4F545F46554C4C595F434F4E4649524D454400000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP5 MSTORE PUSH1 0x8 SWAP1 SWAP3 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD DUP6 SWAP2 SWAP1 PUSH1 0xFF AND ISZERO ISZERO PUSH2 0xB65 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x18 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x554E524547495354455245445F41535345545F50524F58590000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x72656D6F7665417574686F72697A6564416464726573734174496E6465782861 DUP2 MSTORE PUSH32 0x6464726573732C75696E74323536290000000000000000000000000000000000 PUSH1 0x20 DUP1 DUP4 ADD SWAP2 SWAP1 SWAP2 MSTORE DUP3 MLOAD SWAP2 DUP3 SWAP1 SUB PUSH1 0x2F ADD DUP3 KECCAK256 PUSH1 0x2 DUP1 DUP7 ADD DUP1 SLOAD PUSH1 0x1F PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH2 0x100 PUSH1 0x1 DUP5 AND ISZERO MUL ADD SWAP1 SWAP2 AND SWAP3 SWAP1 SWAP3 DIV SWAP2 DUP3 ADD DUP5 SWAP1 DIV DUP5 MUL DUP6 ADD DUP5 ADD SWAP1 SWAP6 MSTORE DUP1 DUP5 MSTORE PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 SWAP1 SWAP2 AND SWAP4 PUSH2 0xCA1 SWAP4 PUSH1 0x0 SWAP4 SWAP1 SWAP3 SWAP1 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0xC8E JUMPI DUP1 PUSH1 0x1F LT PUSH2 0xC63 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0xC8E JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0xC71 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP PUSH2 0x1DFD SWAP1 SWAP2 SWAP1 PUSH4 0xFFFFFFFF AND JUMP JUMPDEST PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND EQ PUSH2 0xD2F JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x19 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x494E56414C49445F46554E4354494F4E5F53454C4543544F5200000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP7 DUP2 MSTORE PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 SWAP2 DUP3 SWAP1 KECCAK256 PUSH1 0x3 DUP2 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP2 SLOAD DUP2 DUP4 ADD SLOAD PUSH1 0x2 DUP1 DUP6 ADD DUP1 SLOAD DUP9 MLOAD PUSH1 0x1F PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP8 DUP4 AND ISZERO PUSH2 0x100 MUL SWAP8 SWAP1 SWAP8 ADD SWAP1 SWAP2 AND SWAP3 SWAP1 SWAP3 DIV SWAP5 DUP6 ADD DUP8 SWAP1 DIV DUP8 MUL DUP3 ADD DUP8 ADD SWAP1 SWAP8 MSTORE DUP4 DUP2 MSTORE SWAP4 SWAP11 POP PUSH2 0xE47 SWAP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND SWAP5 SWAP1 SWAP4 SWAP2 SWAP1 DUP4 SWAP1 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0xE3D JUMPI DUP1 PUSH1 0x1F LT PUSH2 0xE12 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0xE3D JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0xE20 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP PUSH2 0x1EC5 JUMP JUMPDEST ISZERO PUSH2 0xE7C JUMPI PUSH1 0x40 MLOAD DUP7 SWAP1 PUSH32 0x33E13ECB54C3076D8E8BB8C2881800A4D972B792045FFAE98FDF46DF365FED75 SWAP1 PUSH1 0x0 SWAP1 LOG2 PUSH2 0xED2 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP7 SWAP1 PUSH32 0x526441BB6C1ABA3C9A4A6CA1D6545DA9C2333C8C48343EF398EB858D72B79236 SWAP1 PUSH1 0x0 SWAP1 LOG2 PUSH1 0x3 DUP6 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE JUMPDEST POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x6 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x0 DUP1 JUMPDEST PUSH1 0x5 SLOAD DUP2 LT ISZERO PUSH2 0xF45 JUMPI DUP4 DUP1 ISZERO PUSH2 0xF0D JUMPI POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x3 ADD SLOAD PUSH1 0xFF AND ISZERO JUMPDEST DUP1 PUSH2 0xF31 JUMPI POP DUP3 DUP1 ISZERO PUSH2 0xF31 JUMPI POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x3 ADD SLOAD PUSH1 0xFF AND JUMPDEST ISZERO PUSH2 0xF3D JUMPI PUSH1 0x1 DUP3 ADD SWAP2 POP JUMPDEST PUSH1 0x1 ADD PUSH2 0xEE4 JUMP JUMPDEST POP SWAP3 SWAP2 POP POP JUMP JUMPDEST CALLER ADDRESS EQ PUSH2 0xF58 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO ISZERO PUSH2 0xF7B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x8 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP2 DUP3 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND DUP7 ISZERO ISZERO SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP3 MLOAD SWAP4 DUP5 MSTORE SWAP1 DUP4 ADD MSTORE DUP1 MLOAD PUSH32 0xDAEF8FF7DC66C5E34EB9C338AAB679D9F427F89868D9228494455A4D982EB2B0 SWAP3 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG1 POP POP POP JUMP JUMPDEST CALLER ADDRESS EQ PUSH2 0x1017 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP2 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0x104C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO ISZERO PUSH2 0x106F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x3 DUP1 SLOAD SWAP1 POP PUSH1 0x1 ADD PUSH1 0x4 SLOAD PUSH1 0x32 DUP3 GT ISZERO DUP1 ISZERO PUSH2 0x108C JUMPI POP DUP2 DUP2 GT ISZERO JUMPDEST DUP1 ISZERO PUSH2 0x1097 JUMPI POP DUP1 ISZERO ISZERO JUMPDEST DUP1 ISZERO PUSH2 0x10A2 JUMPI POP DUP2 ISZERO ISZERO JUMPDEST ISZERO ISZERO PUSH2 0x10AD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP6 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE PUSH1 0x3 DUP1 SLOAD SWAP2 DUP3 ADD DUP2 SSTORE DUP4 MSTORE PUSH32 0xC2575A0E9E593C00F959F8C92F12DB2869C3395A3B0502D05E2516446F71F85B ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND DUP5 OR SWAP1 SSTORE MLOAD PUSH32 0xF39E6E1EB0EDCF53C221607B54B00CD28F3196FED0A24994DC308B8F611B682D SWAP2 SWAP1 LOG2 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 JUMPDEST PUSH1 0x3 SLOAD DUP2 LT ISZERO PUSH2 0x120A JUMPI PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 PUSH1 0x3 DUP1 SLOAD SWAP2 SWAP3 SWAP2 DUP5 SWAP1 DUP2 LT PUSH2 0x11AE JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 KECCAK256 SWAP1 SWAP2 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP4 MSTORE DUP3 ADD SWAP3 SWAP1 SWAP3 MSTORE PUSH1 0x40 ADD SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x11EF JUMPI PUSH1 0x1 DUP3 ADD SWAP2 POP JUMPDEST PUSH1 0x4 SLOAD DUP3 EQ ISZERO PUSH2 0x1202 JUMPI PUSH1 0x1 SWAP3 POP PUSH2 0x120A JUMP JUMPDEST PUSH1 0x1 ADD PUSH2 0x1185 JUMP JUMPDEST POP POP SWAP2 SWAP1 POP JUMP JUMPDEST CALLER ADDRESS EQ PUSH2 0x121D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x6 DUP2 SWAP1 SSTORE PUSH1 0x40 DUP1 MLOAD DUP3 DUP2 MSTORE SWAP1 MLOAD PUSH32 0xD1C9101A34FEFF75CCCEF14A28785A0279CB0B49C1F321F21F5F422E746B4377 SWAP2 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 LOG1 POP JUMP JUMPDEST PUSH1 0x8 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x0 DUP1 JUMPDEST PUSH1 0x3 SLOAD DUP2 LT ISZERO PUSH2 0x12E3 JUMPI PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 PUSH1 0x3 DUP1 SLOAD SWAP2 SWAP3 SWAP2 DUP5 SWAP1 DUP2 LT PUSH2 0x129A JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 KECCAK256 SWAP1 SWAP2 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP4 MSTORE DUP3 ADD SWAP3 SWAP1 SWAP3 MSTORE PUSH1 0x40 ADD SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x12DB JUMPI PUSH1 0x1 DUP3 ADD SWAP2 POP JUMPDEST PUSH1 0x1 ADD PUSH2 0x1271 JUMP JUMPDEST POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP2 DUP2 MSTORE SWAP2 DUP2 MSTORE PUSH1 0x40 SWAP1 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH1 0x1 DUP1 DUP4 ADD SLOAD PUSH1 0x2 DUP1 DUP6 ADD DUP1 SLOAD DUP8 MLOAD PUSH2 0x100 SWAP6 DUP3 AND ISZERO SWAP6 SWAP1 SWAP6 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD AND SWAP2 SWAP1 SWAP2 DIV PUSH1 0x1F DUP2 ADD DUP9 SWAP1 DIV DUP9 MUL DUP5 ADD DUP9 ADD SWAP1 SWAP7 MSTORE DUP6 DUP4 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP4 AND SWAP6 SWAP1 SWAP5 SWAP2 SWAP3 SWAP2 SWAP1 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x13BF JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x1394 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x13BF JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x13A2 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP PUSH1 0x3 SWAP1 SWAP4 ADD SLOAD SWAP2 SWAP3 POP POP PUSH1 0xFF AND DUP5 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x3 DUP1 SLOAD DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP1 SLOAD DUP1 ISZERO PUSH2 0x1437 JUMPI PUSH1 0x20 MUL DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x140C JUMPI JUMPDEST POP POP POP POP POP SWAP1 POP JUMPDEST SWAP1 JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x0 DUP1 PUSH1 0x5 SLOAD PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x1474 JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP3 POP PUSH1 0x0 SWAP2 POP PUSH1 0x0 SWAP1 POP JUMPDEST PUSH1 0x5 SLOAD DUP2 LT ISZERO PUSH2 0x14FB JUMPI DUP6 DUP1 ISZERO PUSH2 0x14A9 JUMPI POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x3 ADD SLOAD PUSH1 0xFF AND ISZERO JUMPDEST DUP1 PUSH2 0x14CD JUMPI POP DUP5 DUP1 ISZERO PUSH2 0x14CD JUMPI POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x3 ADD SLOAD PUSH1 0xFF AND JUMPDEST ISZERO PUSH2 0x14F3 JUMPI DUP1 DUP4 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x14E1 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MSTORE PUSH1 0x1 SWAP2 SWAP1 SWAP2 ADD SWAP1 JUMPDEST PUSH1 0x1 ADD PUSH2 0x1480 JUMP JUMPDEST DUP8 DUP8 SUB PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x1527 JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP4 POP DUP8 SWAP1 POP JUMPDEST DUP7 DUP2 LT ISZERO PUSH2 0x1570 JUMPI DUP3 DUP2 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1544 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP5 DUP10 DUP4 SUB DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x155E JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MSTORE PUSH1 0x1 ADD PUSH2 0x152E JUMP JUMPDEST POP POP POP SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x0 DUP1 PUSH1 0x3 DUP1 SLOAD SWAP1 POP PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x15B0 JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP3 POP PUSH1 0x0 SWAP2 POP PUSH1 0x0 SWAP1 POP JUMPDEST PUSH1 0x3 SLOAD DUP2 LT ISZERO PUSH2 0x1694 JUMPI PUSH1 0x0 DUP6 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 PUSH1 0x3 DUP1 SLOAD SWAP2 SWAP3 SWAP2 DUP5 SWAP1 DUP2 LT PUSH2 0x15E5 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 KECCAK256 SWAP1 SWAP2 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP4 MSTORE DUP3 ADD SWAP3 SWAP1 SWAP3 MSTORE PUSH1 0x40 ADD SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x168C JUMPI PUSH1 0x3 DUP1 SLOAD DUP3 SWAP1 DUP2 LT PUSH2 0x162D JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD DUP4 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP2 AND SWAP1 DUP5 SWAP1 DUP5 SWAP1 DUP2 LT PUSH2 0x1660 JUMPI INVALID JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND PUSH1 0x20 SWAP3 DUP4 MUL SWAP1 SWAP2 ADD SWAP1 SWAP2 ADD MSTORE PUSH1 0x1 SWAP2 SWAP1 SWAP2 ADD SWAP1 JUMPDEST PUSH1 0x1 ADD PUSH2 0x15BC JUMP JUMPDEST DUP2 PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x16BE JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP4 POP PUSH1 0x0 SWAP1 POP JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x1720 JUMPI DUP3 DUP2 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x16DC JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP5 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x16F4 JUMPI INVALID JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND PUSH1 0x20 SWAP3 DUP4 MUL SWAP1 SWAP2 ADD SWAP1 SWAP2 ADD MSTORE PUSH1 0x1 ADD PUSH2 0x16C6 JUMP JUMPDEST POP POP POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x5 SLOAD DUP2 JUMP JUMPDEST CALLER ADDRESS EQ PUSH2 0x173A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x3 SLOAD DUP2 PUSH1 0x32 DUP3 GT DUP1 ISZERO SWAP1 PUSH2 0x174F JUMPI POP DUP2 DUP2 GT ISZERO JUMPDEST DUP1 ISZERO PUSH2 0x175A JUMPI POP DUP1 ISZERO ISZERO JUMPDEST DUP1 ISZERO PUSH2 0x1765 JUMPI POP DUP2 ISZERO ISZERO JUMPDEST ISZERO ISZERO PUSH2 0x1770 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x4 DUP4 SWAP1 SSTORE PUSH1 0x40 DUP1 MLOAD DUP5 DUP2 MSTORE SWAP1 MLOAD PUSH32 0xA3F1EE9126A074D9326C682F561767F710E927FAA811F7A99829D49DC421797A SWAP2 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 LOG1 POP POP POP JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x17CB JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP3 SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND ISZERO ISZERO PUSH2 0x17FD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP1 DUP6 MSTORE SWAP3 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD DUP5 SWAP2 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0x1828 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP5 PUSH2 0x1832 DUP2 PUSH2 0x1180 JUMP JUMPDEST ISZERO PUSH2 0x189E JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x12 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x54585F46554C4C595F434F4E4649524D45440000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP7 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 CALLER DUP1 DUP7 MSTORE SWAP3 MSTORE DUP1 DUP5 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SWAP4 OR SWAP1 SWAP3 SSTORE SWAP1 MLOAD DUP9 SWAP3 PUSH32 0x4A504A94899432A9846E1AA406DCEB1BCFD538BB839071D49D1E5E23F5BE30EF SWAP2 LOG3 PUSH2 0x1912 DUP7 PUSH2 0x1180 JUMP JUMPDEST ISZERO PUSH2 0xED2 JUMPI PUSH2 0xED2 DUP7 TIMESTAMP PUSH2 0x1EE8 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x192E DUP5 DUP5 DUP5 PUSH2 0x1F33 JUMP JUMPDEST SWAP1 POP PUSH2 0x1939 DUP2 PUSH2 0x17AD JUMP JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x7 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x32 DUP2 JUMP JUMPDEST PUSH1 0x4 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x0 CALLER ADDRESS EQ PUSH2 0x196B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP4 SWAP1 PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x19A1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP4 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0x19D6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 SWAP3 POP JUMPDEST PUSH1 0x3 SLOAD DUP4 LT ISZERO PUSH2 0x1A9B JUMPI DUP5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x3 DUP5 DUP2 SLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1A0B JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO PUSH2 0x1A90 JUMPI DUP4 PUSH1 0x3 DUP5 DUP2 SLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1A43 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 ADD PUSH1 0x0 PUSH2 0x100 EXP DUP2 SLOAD DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF MUL NOT AND SWAP1 DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND MUL OR SWAP1 SSTORE POP PUSH2 0x1A9B JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP3 ADD SWAP2 PUSH2 0x19DB JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP7 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 SWAP1 DUP2 AND SWAP1 SWAP2 SSTORE SWAP4 DUP9 AND DUP3 MSTORE DUP1 DUP3 KECCAK256 DUP1 SLOAD SWAP1 SWAP5 AND PUSH1 0x1 OR SWAP1 SWAP4 SSTORE SWAP2 MLOAD SWAP1 SWAP2 PUSH32 0x8001553A916EF2F495D26A907CC54D96ED840D7BDA71E73194BF5A9DF7A76B90 SWAP2 LOG2 PUSH1 0x40 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP6 AND SWAP1 PUSH32 0xF39E6E1EB0EDCF53C221607B54B00CD28F3196FED0A24994DC308B8F611B682D SWAP1 PUSH1 0x0 SWAP1 LOG2 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP2 KECCAK256 PUSH1 0x3 ADD SLOAD DUP3 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0x1B8E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP3 PUSH2 0x1B98 DUP2 PUSH2 0x1180 JUMP JUMPDEST ISZERO ISZERO PUSH2 0x1C05 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x54585F4E4F545F46554C4C595F434F4E4649524D454400000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x6 SLOAD PUSH1 0x0 DUP6 DUP2 MSTORE PUSH1 0x7 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP6 SWAP2 ADD TIMESTAMP LT ISZERO PUSH2 0x1C88 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x14 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x54494D455F4C4F434B5F494E434F4D504C455445000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP6 DUP2 MSTORE PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 SWAP2 DUP3 SWAP1 KECCAK256 PUSH1 0x3 DUP2 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP2 SLOAD DUP2 DUP4 ADD SLOAD PUSH1 0x2 DUP1 DUP6 ADD DUP1 SLOAD DUP9 MLOAD PUSH1 0x1F PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP8 DUP4 AND ISZERO PUSH2 0x100 MUL SWAP8 SWAP1 SWAP8 ADD SWAP1 SWAP2 AND SWAP3 SWAP1 SWAP3 DIV SWAP5 DUP6 ADD DUP8 SWAP1 DIV DUP8 MUL DUP3 ADD DUP8 ADD SWAP1 SWAP8 MSTORE DUP4 DUP2 MSTORE SWAP4 SWAP10 POP PUSH2 0x1D6B SWAP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND SWAP5 SWAP1 SWAP4 SWAP2 SWAP1 DUP4 SWAP1 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0xE3D JUMPI DUP1 PUSH1 0x1F LT PUSH2 0xE12 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0xE3D JUMP JUMPDEST ISZERO PUSH2 0x1DA0 JUMPI PUSH1 0x40 MLOAD DUP6 SWAP1 PUSH32 0x33E13ECB54C3076D8E8BB8C2881800A4D972B792045FFAE98FDF46DF365FED75 SWAP1 PUSH1 0x0 SWAP1 LOG2 PUSH2 0x1DF6 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP6 SWAP1 PUSH32 0x526441BB6C1ABA3C9A4A6CA1D6545DA9C2333C8C48343EF398EB858D72B79236 SWAP1 PUSH1 0x0 SWAP1 LOG2 PUSH1 0x3 DUP5 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE JUMPDEST POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x4 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x1E9A JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x25 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F345F4C454E4754485F524551 PUSH1 0x44 DUP3 ADD MSTORE PUSH32 0x5549524544000000000000000000000000000000000000000000000000000000 PUSH1 0x64 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x84 ADD SWAP1 REVERT JUMPDEST POP ADD PUSH1 0x20 ADD MLOAD PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 MLOAD PUSH1 0x20 DUP5 ADD PUSH1 0x0 DUP3 DUP8 DUP4 DUP11 DUP13 PUSH2 0x8796 GAS SUB CALL SWAP9 SWAP8 POP POP POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x7 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP2 DUP3 SWAP1 KECCAK256 DUP4 SWAP1 SSTORE DUP2 MLOAD DUP4 DUP2 MSTORE SWAP2 MLOAD DUP5 SWAP3 PUSH32 0xB237AFE65F1514FD7EA3F923EA4FE792BDD07000A912B6CD1602A8E7F573C8D SWAP3 SWAP1 DUP3 SWAP1 SUB ADD SWAP1 LOG2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO ISZERO PUSH2 0x1F58 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x5 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x80 DUP2 ADD DUP3 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP9 DUP2 AND DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 ADD DUP10 DUP2 MSTORE DUP4 DUP6 ADD DUP10 DUP2 MSTORE PUSH1 0x0 PUSH1 0x60 DUP7 ADD DUP2 SWAP1 MSTORE DUP8 DUP2 MSTORE DUP1 DUP5 MSTORE SWAP6 SWAP1 SWAP6 KECCAK256 DUP5 MLOAD DUP2 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND SWAP5 AND SWAP4 SWAP1 SWAP4 OR DUP4 SSTORE MLOAD PUSH1 0x1 DUP4 ADD SSTORE SWAP3 MLOAD DUP1 MLOAD SWAP5 SWAP7 POP SWAP2 SWAP4 SWAP1 SWAP3 PUSH2 0x1FF0 SWAP3 PUSH1 0x2 DUP6 ADD SWAP3 SWAP2 ADD SWAP1 PUSH2 0x208F JUMP JUMPDEST POP PUSH1 0x60 SWAP2 SWAP1 SWAP2 ADD MLOAD PUSH1 0x3 SWAP1 SWAP2 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP2 ISZERO ISZERO SWAP2 SWAP1 SWAP2 OR SWAP1 SSTORE PUSH1 0x5 DUP1 SLOAD PUSH1 0x1 ADD SWAP1 SSTORE PUSH1 0x40 MLOAD DUP3 SWAP1 PUSH32 0xC0BA8FE4B176C1714197D43B9CC6BCF797A4A7461C5FE8D0EF6E184AE7601E51 SWAP1 PUSH1 0x0 SWAP1 LOG2 POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST DUP2 SLOAD DUP2 DUP4 SSTORE DUP2 DUP2 GT ISZERO PUSH2 0x208A JUMPI PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x20 SWAP1 KECCAK256 PUSH2 0x208A SWAP2 DUP2 ADD SWAP1 DUP4 ADD PUSH2 0x210D JUMP JUMPDEST POP POP POP JUMP JUMPDEST DUP3 DUP1 SLOAD PUSH1 0x1 DUP2 PUSH1 0x1 AND ISZERO PUSH2 0x100 MUL SUB AND PUSH1 0x2 SWAP1 DIV SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 PUSH1 0x1F ADD PUSH1 0x20 SWAP1 DIV DUP2 ADD SWAP3 DUP3 PUSH1 0x1F LT PUSH2 0x20D0 JUMPI DUP1 MLOAD PUSH1 0xFF NOT AND DUP4 DUP1 ADD OR DUP6 SSTORE PUSH2 0x20FD JUMP JUMPDEST DUP3 DUP1 ADD PUSH1 0x1 ADD DUP6 SSTORE DUP3 ISZERO PUSH2 0x20FD JUMPI SWAP2 DUP3 ADD JUMPDEST DUP3 DUP2 GT ISZERO PUSH2 0x20FD JUMPI DUP3 MLOAD DUP3 SSTORE SWAP2 PUSH1 0x20 ADD SWAP2 SWAP1 PUSH1 0x1 ADD SWAP1 PUSH2 0x20E2 JUMP JUMPDEST POP PUSH2 0x2109 SWAP3 SWAP2 POP PUSH2 0x210D JUMP JUMPDEST POP SWAP1 JUMP JUMPDEST PUSH2 0x143F SWAP2 SWAP1 JUMPDEST DUP1 DUP3 GT ISZERO PUSH2 0x2109 JUMPI PUSH1 0x0 DUP2 SSTORE PUSH1 0x1 ADD PUSH2 0x2113 JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 MSTORE DUP14 0xb3 EXTCODESIZE CALLVALUE 0xdd RETURNDATASIZE DUP8 0xf9 0x27 PUSH6 0xDA5FAC3E1E5D SHL SWAP3 CODECOPY CALLDATALOAD 0x3f PUSH5 0x5405CA9BF 0xc9 0xce 0xe8 0xdb STOP 0x29 ", + "sourceMap": 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PUSH2 0x546 JUMPI DUP1 PUSH4 0xBA51A6DF EQ PUSH2 0x55B JUMPI DUP1 PUSH4 0xC01A8C84 EQ PUSH2 0x573 JUMPI DUP1 PUSH4 0xC6427474 EQ PUSH2 0x58B JUMPI DUP1 PUSH4 0xD38F2D82 EQ PUSH2 0x601 JUMPI DUP1 PUSH4 0xD74F8EDD EQ PUSH2 0x619 JUMPI DUP1 PUSH4 0xDC8452CD EQ PUSH2 0x62E JUMPI DUP1 PUSH4 0xE20056E6 EQ PUSH2 0x643 JUMPI DUP1 PUSH4 0xEE22610B EQ PUSH2 0x677 JUMPI JUMPDEST PUSH1 0x0 CALLVALUE GT ISZERO PUSH2 0x19E JUMPI PUSH1 0x40 DUP1 MLOAD CALLVALUE DUP2 MSTORE SWAP1 MLOAD CALLER SWAP2 PUSH32 0xE1FFFCC4923D04B559F4D29A8BFC6CDA04EB5B0D3C460751C2402C5C5CC9109C SWAP2 SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 LOG2 JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1AC JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1B8 PUSH1 0x4 CALLDATALOAD PUSH2 0x68F JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1ED JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x6C4 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x21B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0x91B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x233 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x255 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x9F3 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x275 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x255 PUSH1 0x4 CALLDATALOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x24 CALLDATALOAD AND PUSH2 0xA08 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2A6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0xA28 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2BE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH2 0xEDA JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2E5 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH1 0x4 CALLDATALOAD ISZERO ISZERO PUSH1 0x24 CALLDATALOAD ISZERO ISZERO PUSH2 0xEE0 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x304 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD ISZERO ISZERO PUSH2 0xF4C JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x337 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x100B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x365 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x255 PUSH1 0x4 CALLDATALOAD PUSH2 0x1180 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x37D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0x1211 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x395 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x255 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x1258 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3C3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH1 0x4 CALLDATALOAD PUSH2 0x126D JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3DB JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x3E7 PUSH1 0x4 CALLDATALOAD PUSH2 0x12E9 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD DUP5 DUP2 MSTORE PUSH1 0x20 ADD DUP1 PUSH1 0x20 ADD DUP4 ISZERO ISZERO ISZERO ISZERO DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP2 SUB DUP3 MSTORE DUP5 DUP2 DUP2 MLOAD DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP DUP1 MLOAD SWAP1 PUSH1 0x20 ADD SWAP1 DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x466 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x44E JUMP JUMPDEST POP POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x493 JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP6 POP POP POP POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x4B0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x4B9 PUSH2 0x13D2 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 DUP2 ADD SWAP2 MUL DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x4F5 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x4DD JUMP JUMPDEST POP POP POP POP SWAP1 POP ADD SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x515 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x4B9 PUSH1 0x4 CALLDATALOAD PUSH1 0x24 CALLDATALOAD PUSH1 0x44 CALLDATALOAD ISZERO ISZERO PUSH1 0x64 CALLDATALOAD ISZERO ISZERO PUSH2 0x1442 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x53A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x4B9 PUSH1 0x4 CALLDATALOAD PUSH2 0x157B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x552 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH2 0x1728 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x567 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0x172E JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x57F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0x17AD JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x597 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x4 PUSH1 0x44 CALLDATALOAD DUP2 DUP2 ADD CALLDATALOAD PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP6 ADD DUP5 ADD SWAP1 SWAP6 MSTORE DUP5 DUP5 MSTORE PUSH2 0x2C7 SWAP5 DUP3 CALLDATALOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP5 PUSH1 0x24 DUP1 CALLDATALOAD SWAP6 CALLDATASIZE SWAP6 SWAP5 PUSH1 0x64 SWAP5 SWAP3 ADD SWAP2 SWAP1 DUP2 SWAP1 DUP5 ADD DUP4 DUP3 DUP1 DUP3 DUP5 CALLDATACOPY POP SWAP5 SWAP8 POP PUSH2 0x1921 SWAP7 POP POP POP POP POP POP POP JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x60D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH1 0x4 CALLDATALOAD PUSH2 0x1940 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x625 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH2 0x1952 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x63A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C7 PUSH2 0x1957 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x64F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0x195D JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x683 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0x1B6D JUMP JUMPDEST PUSH1 0x3 DUP1 SLOAD DUP3 SWAP1 DUP2 LT PUSH2 0x69D JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 POP DUP2 JUMP JUMPDEST PUSH1 0x0 CALLER ADDRESS EQ PUSH2 0x6D2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP3 SWAP1 PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x708 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE SWAP2 POP JUMPDEST PUSH1 0x3 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP3 LT ISZERO PUSH2 0x88B JUMPI DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x3 DUP4 DUP2 SLOAD DUP2 LT ISZERO ISZERO PUSH2 0x7A8 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO PUSH2 0x880 JUMPI PUSH1 0x3 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 ADD SWAP1 DUP2 LT PUSH2 0x800 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH1 0x3 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND SWAP2 DUP5 SWAP1 DUP2 LT PUSH2 0x833 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 ADD PUSH1 0x0 PUSH2 0x100 EXP DUP2 SLOAD DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF MUL NOT AND SWAP1 DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND MUL OR SWAP1 SSTORE POP PUSH2 0x88B JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH2 0x756 JUMP JUMPDEST PUSH1 0x3 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 PUSH2 0x8BC SWAP1 DUP3 PUSH2 0x2066 JUMP JUMPDEST POP PUSH1 0x3 SLOAD PUSH1 0x4 SLOAD GT ISZERO PUSH2 0x8D5 JUMPI PUSH1 0x3 SLOAD PUSH2 0x8D5 SWAP1 PUSH2 0x172E JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND SWAP1 PUSH32 0x8001553A916EF2F495D26A907CC54D96ED840D7BDA71E73194BF5A9DF7A76B90 SWAP1 PUSH1 0x0 SWAP1 LOG2 POP POP POP JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x939 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP1 DUP6 MSTORE SWAP3 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD DUP4 SWAP2 SWAP1 PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x965 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x3 ADD SLOAD DUP5 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0x986 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP6 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP1 DUP6 MSTORE SWAP3 MSTORE DUP1 DUP4 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE MLOAD DUP8 SWAP3 PUSH32 0xF6A317157440607F36269043EB55F1287A5A19BA2216AFEAB88CD46CBCFB88E9 SWAP2 LOG3 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x0 SWAP3 DUP4 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 SWAP1 SWAP2 MSTORE SWAP1 DUP3 MSTORE SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP2 KECCAK256 PUSH1 0x3 ADD SLOAD DUP3 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0xA49 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP3 PUSH2 0xA53 DUP2 PUSH2 0x1180 JUMP JUMPDEST ISZERO ISZERO PUSH2 0xAC0 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x54585F4E4F545F46554C4C595F434F4E4649524D454400000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP5 MSTORE PUSH1 0x8 SWAP1 SWAP3 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD DUP6 SWAP2 SWAP1 PUSH1 0xFF AND ISZERO ISZERO PUSH2 0xB65 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x18 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x554E524547495354455245445F41535345545F50524F58590000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x72656D6F7665417574686F72697A6564416464726573734174496E6465782861 DUP2 MSTORE PUSH32 0x6464726573732C75696E74323536290000000000000000000000000000000000 PUSH1 0x20 DUP1 DUP4 ADD SWAP2 SWAP1 SWAP2 MSTORE DUP3 MLOAD SWAP2 DUP3 SWAP1 SUB PUSH1 0x2F ADD DUP3 KECCAK256 PUSH1 0x2 DUP1 DUP7 ADD DUP1 SLOAD PUSH1 0x1F PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH2 0x100 PUSH1 0x1 DUP5 AND ISZERO MUL ADD SWAP1 SWAP2 AND SWAP3 SWAP1 SWAP3 DIV SWAP2 DUP3 ADD DUP5 SWAP1 DIV DUP5 MUL DUP6 ADD DUP5 ADD SWAP1 SWAP6 MSTORE DUP1 DUP5 MSTORE PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 SWAP1 SWAP2 AND SWAP4 PUSH2 0xCA1 SWAP4 PUSH1 0x0 SWAP4 SWAP1 SWAP3 SWAP1 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0xC8E JUMPI DUP1 PUSH1 0x1F LT PUSH2 0xC63 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0xC8E JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0xC71 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP PUSH2 0x1DFD SWAP1 SWAP2 SWAP1 PUSH4 0xFFFFFFFF AND JUMP JUMPDEST PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND EQ PUSH2 0xD2F JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x19 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x494E56414C49445F46554E4354494F4E5F53454C4543544F5200000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP7 DUP2 MSTORE PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 SWAP2 DUP3 SWAP1 KECCAK256 PUSH1 0x3 DUP2 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP2 SLOAD DUP2 DUP4 ADD SLOAD PUSH1 0x2 DUP1 DUP6 ADD DUP1 SLOAD DUP9 MLOAD PUSH1 0x1F PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP8 DUP4 AND ISZERO PUSH2 0x100 MUL SWAP8 SWAP1 SWAP8 ADD SWAP1 SWAP2 AND SWAP3 SWAP1 SWAP3 DIV SWAP5 DUP6 ADD DUP8 SWAP1 DIV DUP8 MUL DUP3 ADD DUP8 ADD SWAP1 SWAP8 MSTORE DUP4 DUP2 MSTORE SWAP4 SWAP11 POP PUSH2 0xE47 SWAP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND SWAP5 SWAP1 SWAP4 SWAP2 SWAP1 DUP4 SWAP1 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0xE3D JUMPI DUP1 PUSH1 0x1F LT PUSH2 0xE12 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0xE3D JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0xE20 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP PUSH2 0x1EC5 JUMP JUMPDEST ISZERO PUSH2 0xE7C JUMPI PUSH1 0x40 MLOAD DUP7 SWAP1 PUSH32 0x33E13ECB54C3076D8E8BB8C2881800A4D972B792045FFAE98FDF46DF365FED75 SWAP1 PUSH1 0x0 SWAP1 LOG2 PUSH2 0xED2 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP7 SWAP1 PUSH32 0x526441BB6C1ABA3C9A4A6CA1D6545DA9C2333C8C48343EF398EB858D72B79236 SWAP1 PUSH1 0x0 SWAP1 LOG2 PUSH1 0x3 DUP6 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE JUMPDEST POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x6 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x0 DUP1 JUMPDEST PUSH1 0x5 SLOAD DUP2 LT ISZERO PUSH2 0xF45 JUMPI DUP4 DUP1 ISZERO PUSH2 0xF0D JUMPI POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x3 ADD SLOAD PUSH1 0xFF AND ISZERO JUMPDEST DUP1 PUSH2 0xF31 JUMPI POP DUP3 DUP1 ISZERO PUSH2 0xF31 JUMPI POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x3 ADD SLOAD PUSH1 0xFF AND JUMPDEST ISZERO PUSH2 0xF3D JUMPI PUSH1 0x1 DUP3 ADD SWAP2 POP JUMPDEST PUSH1 0x1 ADD PUSH2 0xEE4 JUMP JUMPDEST POP SWAP3 SWAP2 POP POP JUMP JUMPDEST CALLER ADDRESS EQ PUSH2 0xF58 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO ISZERO PUSH2 0xF7B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x8 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP2 DUP3 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND DUP7 ISZERO ISZERO SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP3 MLOAD SWAP4 DUP5 MSTORE SWAP1 DUP4 ADD MSTORE DUP1 MLOAD PUSH32 0xDAEF8FF7DC66C5E34EB9C338AAB679D9F427F89868D9228494455A4D982EB2B0 SWAP3 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG1 POP POP POP JUMP JUMPDEST CALLER ADDRESS EQ PUSH2 0x1017 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP2 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0x104C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO ISZERO PUSH2 0x106F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x3 DUP1 SLOAD SWAP1 POP PUSH1 0x1 ADD PUSH1 0x4 SLOAD PUSH1 0x32 DUP3 GT ISZERO DUP1 ISZERO PUSH2 0x108C JUMPI POP DUP2 DUP2 GT ISZERO JUMPDEST DUP1 ISZERO PUSH2 0x1097 JUMPI POP DUP1 ISZERO ISZERO JUMPDEST DUP1 ISZERO PUSH2 0x10A2 JUMPI POP DUP2 ISZERO ISZERO JUMPDEST ISZERO ISZERO PUSH2 0x10AD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP6 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE PUSH1 0x3 DUP1 SLOAD SWAP2 DUP3 ADD DUP2 SSTORE DUP4 MSTORE PUSH32 0xC2575A0E9E593C00F959F8C92F12DB2869C3395A3B0502D05E2516446F71F85B ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND DUP5 OR SWAP1 SSTORE MLOAD PUSH32 0xF39E6E1EB0EDCF53C221607B54B00CD28F3196FED0A24994DC308B8F611B682D SWAP2 SWAP1 LOG2 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 JUMPDEST PUSH1 0x3 SLOAD DUP2 LT ISZERO PUSH2 0x120A JUMPI PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 PUSH1 0x3 DUP1 SLOAD SWAP2 SWAP3 SWAP2 DUP5 SWAP1 DUP2 LT PUSH2 0x11AE JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 KECCAK256 SWAP1 SWAP2 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP4 MSTORE DUP3 ADD SWAP3 SWAP1 SWAP3 MSTORE PUSH1 0x40 ADD SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x11EF JUMPI PUSH1 0x1 DUP3 ADD SWAP2 POP JUMPDEST PUSH1 0x4 SLOAD DUP3 EQ ISZERO PUSH2 0x1202 JUMPI PUSH1 0x1 SWAP3 POP PUSH2 0x120A JUMP JUMPDEST PUSH1 0x1 ADD PUSH2 0x1185 JUMP JUMPDEST POP POP SWAP2 SWAP1 POP JUMP JUMPDEST CALLER ADDRESS EQ PUSH2 0x121D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x6 DUP2 SWAP1 SSTORE PUSH1 0x40 DUP1 MLOAD DUP3 DUP2 MSTORE SWAP1 MLOAD PUSH32 0xD1C9101A34FEFF75CCCEF14A28785A0279CB0B49C1F321F21F5F422E746B4377 SWAP2 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 LOG1 POP JUMP JUMPDEST PUSH1 0x8 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x0 DUP1 JUMPDEST PUSH1 0x3 SLOAD DUP2 LT ISZERO PUSH2 0x12E3 JUMPI PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 PUSH1 0x3 DUP1 SLOAD SWAP2 SWAP3 SWAP2 DUP5 SWAP1 DUP2 LT PUSH2 0x129A JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 KECCAK256 SWAP1 SWAP2 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP4 MSTORE DUP3 ADD SWAP3 SWAP1 SWAP3 MSTORE PUSH1 0x40 ADD SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x12DB JUMPI PUSH1 0x1 DUP3 ADD SWAP2 POP JUMPDEST PUSH1 0x1 ADD PUSH2 0x1271 JUMP JUMPDEST POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP2 DUP2 MSTORE SWAP2 DUP2 MSTORE PUSH1 0x40 SWAP1 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH1 0x1 DUP1 DUP4 ADD SLOAD PUSH1 0x2 DUP1 DUP6 ADD DUP1 SLOAD DUP8 MLOAD PUSH2 0x100 SWAP6 DUP3 AND ISZERO SWAP6 SWAP1 SWAP6 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD AND SWAP2 SWAP1 SWAP2 DIV PUSH1 0x1F DUP2 ADD DUP9 SWAP1 DIV DUP9 MUL DUP5 ADD DUP9 ADD SWAP1 SWAP7 MSTORE DUP6 DUP4 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP4 AND SWAP6 SWAP1 SWAP5 SWAP2 SWAP3 SWAP2 SWAP1 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x13BF JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x1394 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x13BF JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x13A2 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP PUSH1 0x3 SWAP1 SWAP4 ADD SLOAD SWAP2 SWAP3 POP POP PUSH1 0xFF AND DUP5 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x3 DUP1 SLOAD DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP1 SLOAD DUP1 ISZERO PUSH2 0x1437 JUMPI PUSH1 0x20 MUL DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x140C JUMPI JUMPDEST POP POP POP POP POP SWAP1 POP JUMPDEST SWAP1 JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x0 DUP1 PUSH1 0x5 SLOAD PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x1474 JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP3 POP PUSH1 0x0 SWAP2 POP PUSH1 0x0 SWAP1 POP JUMPDEST PUSH1 0x5 SLOAD DUP2 LT ISZERO PUSH2 0x14FB JUMPI DUP6 DUP1 ISZERO PUSH2 0x14A9 JUMPI POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x3 ADD SLOAD PUSH1 0xFF AND ISZERO JUMPDEST DUP1 PUSH2 0x14CD JUMPI POP DUP5 DUP1 ISZERO PUSH2 0x14CD JUMPI POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x3 ADD SLOAD PUSH1 0xFF AND JUMPDEST ISZERO PUSH2 0x14F3 JUMPI DUP1 DUP4 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x14E1 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MSTORE PUSH1 0x1 SWAP2 SWAP1 SWAP2 ADD SWAP1 JUMPDEST PUSH1 0x1 ADD PUSH2 0x1480 JUMP JUMPDEST DUP8 DUP8 SUB PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x1527 JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP4 POP DUP8 SWAP1 POP JUMPDEST DUP7 DUP2 LT ISZERO PUSH2 0x1570 JUMPI DUP3 DUP2 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1544 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP5 DUP10 DUP4 SUB DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x155E JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MSTORE PUSH1 0x1 ADD PUSH2 0x152E JUMP JUMPDEST POP POP POP SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x0 DUP1 PUSH1 0x3 DUP1 SLOAD SWAP1 POP PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x15B0 JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP3 POP PUSH1 0x0 SWAP2 POP PUSH1 0x0 SWAP1 POP JUMPDEST PUSH1 0x3 SLOAD DUP2 LT ISZERO PUSH2 0x1694 JUMPI PUSH1 0x0 DUP6 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 PUSH1 0x3 DUP1 SLOAD SWAP2 SWAP3 SWAP2 DUP5 SWAP1 DUP2 LT PUSH2 0x15E5 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 KECCAK256 SWAP1 SWAP2 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP4 MSTORE DUP3 ADD SWAP3 SWAP1 SWAP3 MSTORE PUSH1 0x40 ADD SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x168C JUMPI PUSH1 0x3 DUP1 SLOAD DUP3 SWAP1 DUP2 LT PUSH2 0x162D JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD DUP4 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP2 AND SWAP1 DUP5 SWAP1 DUP5 SWAP1 DUP2 LT PUSH2 0x1660 JUMPI INVALID JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND PUSH1 0x20 SWAP3 DUP4 MUL SWAP1 SWAP2 ADD SWAP1 SWAP2 ADD MSTORE PUSH1 0x1 SWAP2 SWAP1 SWAP2 ADD SWAP1 JUMPDEST PUSH1 0x1 ADD PUSH2 0x15BC JUMP JUMPDEST DUP2 PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x16BE JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP4 POP PUSH1 0x0 SWAP1 POP JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x1720 JUMPI DUP3 DUP2 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x16DC JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP5 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x16F4 JUMPI INVALID JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND PUSH1 0x20 SWAP3 DUP4 MUL SWAP1 SWAP2 ADD SWAP1 SWAP2 ADD MSTORE PUSH1 0x1 ADD PUSH2 0x16C6 JUMP JUMPDEST POP POP POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x5 SLOAD DUP2 JUMP JUMPDEST CALLER ADDRESS EQ PUSH2 0x173A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x3 SLOAD DUP2 PUSH1 0x32 DUP3 GT DUP1 ISZERO SWAP1 PUSH2 0x174F JUMPI POP DUP2 DUP2 GT ISZERO JUMPDEST DUP1 ISZERO PUSH2 0x175A JUMPI POP DUP1 ISZERO ISZERO JUMPDEST DUP1 ISZERO PUSH2 0x1765 JUMPI POP DUP2 ISZERO ISZERO JUMPDEST ISZERO ISZERO PUSH2 0x1770 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x4 DUP4 SWAP1 SSTORE PUSH1 0x40 DUP1 MLOAD DUP5 DUP2 MSTORE SWAP1 MLOAD PUSH32 0xA3F1EE9126A074D9326C682F561767F710E927FAA811F7A99829D49DC421797A SWAP2 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 LOG1 POP POP POP JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x17CB JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP3 SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND ISZERO ISZERO PUSH2 0x17FD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP1 DUP6 MSTORE SWAP3 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD DUP5 SWAP2 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0x1828 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP5 PUSH2 0x1832 DUP2 PUSH2 0x1180 JUMP JUMPDEST ISZERO PUSH2 0x189E JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x12 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x54585F46554C4C595F434F4E4649524D45440000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP7 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 CALLER DUP1 DUP7 MSTORE SWAP3 MSTORE DUP1 DUP5 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SWAP4 OR SWAP1 SWAP3 SSTORE SWAP1 MLOAD DUP9 SWAP3 PUSH32 0x4A504A94899432A9846E1AA406DCEB1BCFD538BB839071D49D1E5E23F5BE30EF SWAP2 LOG3 PUSH2 0x1912 DUP7 PUSH2 0x1180 JUMP JUMPDEST ISZERO PUSH2 0xED2 JUMPI PUSH2 0xED2 DUP7 TIMESTAMP PUSH2 0x1EE8 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x192E DUP5 DUP5 DUP5 PUSH2 0x1F33 JUMP JUMPDEST SWAP1 POP PUSH2 0x1939 DUP2 PUSH2 0x17AD JUMP JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x7 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x32 DUP2 JUMP JUMPDEST PUSH1 0x4 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x0 CALLER ADDRESS EQ PUSH2 0x196B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP4 SWAP1 PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x19A1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP4 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0x19D6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 SWAP3 POP JUMPDEST PUSH1 0x3 SLOAD DUP4 LT ISZERO PUSH2 0x1A9B JUMPI DUP5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x3 DUP5 DUP2 SLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1A0B JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO PUSH2 0x1A90 JUMPI DUP4 PUSH1 0x3 DUP5 DUP2 SLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1A43 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 ADD PUSH1 0x0 PUSH2 0x100 EXP DUP2 SLOAD DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF MUL NOT AND SWAP1 DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND MUL OR SWAP1 SSTORE POP PUSH2 0x1A9B JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP3 ADD SWAP2 PUSH2 0x19DB JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP7 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 SWAP1 DUP2 AND SWAP1 SWAP2 SSTORE SWAP4 DUP9 AND DUP3 MSTORE DUP1 DUP3 KECCAK256 DUP1 SLOAD SWAP1 SWAP5 AND PUSH1 0x1 OR SWAP1 SWAP4 SSTORE SWAP2 MLOAD SWAP1 SWAP2 PUSH32 0x8001553A916EF2F495D26A907CC54D96ED840D7BDA71E73194BF5A9DF7A76B90 SWAP2 LOG2 PUSH1 0x40 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP6 AND SWAP1 PUSH32 0xF39E6E1EB0EDCF53C221607B54B00CD28F3196FED0A24994DC308B8F611B682D SWAP1 PUSH1 0x0 SWAP1 LOG2 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP2 KECCAK256 PUSH1 0x3 ADD SLOAD DUP3 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0x1B8E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP3 PUSH2 0x1B98 DUP2 PUSH2 0x1180 JUMP JUMPDEST ISZERO ISZERO PUSH2 0x1C05 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x54585F4E4F545F46554C4C595F434F4E4649524D454400000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x6 SLOAD PUSH1 0x0 DUP6 DUP2 MSTORE PUSH1 0x7 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP6 SWAP2 ADD TIMESTAMP LT ISZERO PUSH2 0x1C88 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x14 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x54494D455F4C4F434B5F494E434F4D504C455445000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP6 DUP2 MSTORE PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 SWAP2 DUP3 SWAP1 KECCAK256 PUSH1 0x3 DUP2 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP2 SLOAD DUP2 DUP4 ADD SLOAD PUSH1 0x2 DUP1 DUP6 ADD DUP1 SLOAD DUP9 MLOAD PUSH1 0x1F PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP8 DUP4 AND ISZERO PUSH2 0x100 MUL SWAP8 SWAP1 SWAP8 ADD SWAP1 SWAP2 AND SWAP3 SWAP1 SWAP3 DIV SWAP5 DUP6 ADD DUP8 SWAP1 DIV DUP8 MUL DUP3 ADD DUP8 ADD SWAP1 SWAP8 MSTORE DUP4 DUP2 MSTORE SWAP4 SWAP10 POP PUSH2 0x1D6B SWAP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND SWAP5 SWAP1 SWAP4 SWAP2 SWAP1 DUP4 SWAP1 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0xE3D JUMPI DUP1 PUSH1 0x1F LT PUSH2 0xE12 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0xE3D JUMP JUMPDEST ISZERO PUSH2 0x1DA0 JUMPI PUSH1 0x40 MLOAD DUP6 SWAP1 PUSH32 0x33E13ECB54C3076D8E8BB8C2881800A4D972B792045FFAE98FDF46DF365FED75 SWAP1 PUSH1 0x0 SWAP1 LOG2 PUSH2 0x1DF6 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP6 SWAP1 PUSH32 0x526441BB6C1ABA3C9A4A6CA1D6545DA9C2333C8C48343EF398EB858D72B79236 SWAP1 PUSH1 0x0 SWAP1 LOG2 PUSH1 0x3 DUP5 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE JUMPDEST POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x4 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x1E9A JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x25 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F345F4C454E4754485F524551 PUSH1 0x44 DUP3 ADD MSTORE PUSH32 0x5549524544000000000000000000000000000000000000000000000000000000 PUSH1 0x64 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x84 ADD SWAP1 REVERT JUMPDEST POP ADD PUSH1 0x20 ADD MLOAD PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 MLOAD PUSH1 0x20 DUP5 ADD PUSH1 0x0 DUP3 DUP8 DUP4 DUP11 DUP13 PUSH2 0x8796 GAS SUB CALL SWAP9 SWAP8 POP POP POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x7 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP2 DUP3 SWAP1 KECCAK256 DUP4 SWAP1 SSTORE DUP2 MLOAD DUP4 DUP2 MSTORE SWAP2 MLOAD DUP5 SWAP3 PUSH32 0xB237AFE65F1514FD7EA3F923EA4FE792BDD07000A912B6CD1602A8E7F573C8D SWAP3 SWAP1 DUP3 SWAP1 SUB ADD SWAP1 LOG2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO ISZERO PUSH2 0x1F58 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x5 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x80 DUP2 ADD DUP3 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP9 DUP2 AND DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 ADD DUP10 DUP2 MSTORE DUP4 DUP6 ADD DUP10 DUP2 MSTORE PUSH1 0x0 PUSH1 0x60 DUP7 ADD DUP2 SWAP1 MSTORE DUP8 DUP2 MSTORE DUP1 DUP5 MSTORE SWAP6 SWAP1 SWAP6 KECCAK256 DUP5 MLOAD DUP2 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND SWAP5 AND SWAP4 SWAP1 SWAP4 OR DUP4 SSTORE MLOAD PUSH1 0x1 DUP4 ADD SSTORE SWAP3 MLOAD DUP1 MLOAD SWAP5 SWAP7 POP SWAP2 SWAP4 SWAP1 SWAP3 PUSH2 0x1FF0 SWAP3 PUSH1 0x2 DUP6 ADD SWAP3 SWAP2 ADD SWAP1 PUSH2 0x208F JUMP JUMPDEST POP PUSH1 0x60 SWAP2 SWAP1 SWAP2 ADD MLOAD PUSH1 0x3 SWAP1 SWAP2 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP2 ISZERO ISZERO SWAP2 SWAP1 SWAP2 OR SWAP1 SSTORE PUSH1 0x5 DUP1 SLOAD PUSH1 0x1 ADD SWAP1 SSTORE PUSH1 0x40 MLOAD DUP3 SWAP1 PUSH32 0xC0BA8FE4B176C1714197D43B9CC6BCF797A4A7461C5FE8D0EF6E184AE7601E51 SWAP1 PUSH1 0x0 SWAP1 LOG2 POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST DUP2 SLOAD DUP2 DUP4 SSTORE DUP2 DUP2 GT ISZERO PUSH2 0x208A JUMPI PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x20 SWAP1 KECCAK256 PUSH2 0x208A SWAP2 DUP2 ADD SWAP1 DUP4 ADD PUSH2 0x210D JUMP JUMPDEST POP POP POP JUMP JUMPDEST DUP3 DUP1 SLOAD PUSH1 0x1 DUP2 PUSH1 0x1 AND ISZERO PUSH2 0x100 MUL SUB AND PUSH1 0x2 SWAP1 DIV SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 PUSH1 0x1F ADD PUSH1 0x20 SWAP1 DIV DUP2 ADD SWAP3 DUP3 PUSH1 0x1F LT PUSH2 0x20D0 JUMPI DUP1 MLOAD PUSH1 0xFF NOT AND DUP4 DUP1 ADD OR DUP6 SSTORE PUSH2 0x20FD JUMP JUMPDEST DUP3 DUP1 ADD PUSH1 0x1 ADD DUP6 SSTORE DUP3 ISZERO PUSH2 0x20FD JUMPI SWAP2 DUP3 ADD JUMPDEST DUP3 DUP2 GT ISZERO PUSH2 0x20FD JUMPI DUP3 MLOAD DUP3 SSTORE SWAP2 PUSH1 0x20 ADD SWAP2 SWAP1 PUSH1 0x1 ADD SWAP1 PUSH2 0x20E2 JUMP JUMPDEST POP PUSH2 0x2109 SWAP3 SWAP2 POP PUSH2 0x210D JUMP JUMPDEST POP SWAP1 JUMP JUMPDEST PUSH2 0x143F SWAP2 SWAP1 JUMPDEST DUP1 DUP3 GT ISZERO PUSH2 0x2109 JUMPI PUSH1 0x0 DUP2 SSTORE PUSH1 0x1 ADD PUSH2 0x2113 JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 MSTORE DUP14 0xb3 EXTCODESIZE CALLVALUE 0xdd RETURNDATASIZE DUP8 0xf9 0x27 PUSH6 0xDA5FAC3E1E5D SHL SWAP3 CODECOPY CALLDATALOAD 0x3f PUSH5 0x5405CA9BF 0xc9 0xce 0xe8 0xdb STOP 0x29 ", + "sourceMap": 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"2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": { + "id": 28 + }, + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": { + "id": 29 + }, + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": { + "id": 30 + }, + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": { + "id": 31 + }, + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": { + "id": 32 + }, + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": { + "id": 33 + }, + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": { + "id": 34 + }, + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": { + "id": 35 + }, + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": { + "id": 36 + }, + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": { + "id": 37 + }, + "2.0.0/protocol/Exchange/libs/LibConstants.sol": { + "id": 38 + }, + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": { + "id": 39 + }, + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": { + "id": 40 + }, + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": { + "id": 41 + }, + "2.0.0/protocol/Exchange/libs/LibMath.sol": { + "id": 42 + }, + "2.0.0/protocol/Exchange/libs/LibOrder.sol": { + "id": 43 + }, + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": { + "id": 44 + }, + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": { + "id": 45 + }, + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": { + "id": 46 + }, + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": { + "id": 47 + }, + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": { + "id": 48 + }, + "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": { + "id": 49 + }, + "2.0.0/tokens/ERC20Token/IERC20Token.sol": { + "id": 50 + }, + "2.0.0/tokens/ERC721Token/IERC721Token.sol": { + "id": 51 + }, + "2.0.0/tokens/EtherToken/IEtherToken.sol": { + "id": 52 + }, + "2.0.0/utils/LibBytes/LibBytes.sol": { + "id": 53 + }, + "2.0.0/utils/Ownable/IOwnable.sol": { + "id": 54 + }, + "2.0.0/utils/Ownable/Ownable.sol": { + "id": 55 + }, + "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": { + "id": 56 + }, + "2.0.0/utils/SafeMath/SafeMath.sol": { + "id": 57 + } + }, + "sourceCodes": { + "2.0.0/extensions/Forwarder/Forwarder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinWeth.sol\";\nimport \"./MixinForwarderCore.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinAssets.sol\";\nimport \"./MixinExchangeWrapper.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Forwarder is\n LibConstants,\n MixinWeth,\n MixinAssets,\n MixinExchangeWrapper,\n MixinForwarderCore\n{\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n LibConstants(\n _exchange,\n _zrxAssetData,\n _wethAssetData\n )\n MixinForwarderCore()\n {}\n}\n", + "2.0.0/extensions/Forwarder/MixinAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MAssets.sol\";\n\n\ncontract MixinAssets is\n Ownable,\n LibConstants,\n MAssets\n{\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256(\"transfer(address,uint256)\"));\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external\n onlyOwner\n {\n transferAssetToSender(assetData, amount);\n }\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n bytes4 proxyId = assetData.readBytes4(0);\n\n if (proxyId == ERC20_DATA_ID) {\n transferERC20Token(assetData, amount);\n } else if (proxyId == ERC721_DATA_ID) {\n transferERC721Token(assetData, amount);\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n }\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n address token = assetData.readAddress(16);\n\n // Transfer tokens.\n // We do a raw call so we can check the success separate\n // from the return data.\n bool success = token.call(abi.encodeWithSelector(\n ERC20_TRANSFER_SELECTOR,\n msg.sender,\n amount\n ));\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n \n // Check return data.\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // value that evaluates to true.\n assembly {\n if returndatasize {\n success := 0\n if eq(returndatasize, 32) {\n // First 64 bytes of memory are reserved scratch space\n returndatacopy(0, 0, 32)\n success := mload(0)\n }\n }\n }\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n }\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n require(\n amount == 1,\n \"INVALID_AMOUNT\"\n );\n // Decode asset data.\n address token = assetData.readAddress(16);\n uint256 tokenId = assetData.readUint256(36);\n\n // Perform transfer.\n IERC721Token(token).transferFrom(\n address(this),\n msg.sender,\n tokenId\n );\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"../../protocol/Exchange/libs/LibAbiEncoder.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinExchangeWrapper is\n LibAbiEncoder,\n LibFillResults,\n LibMath,\n LibConstants,\n MExchangeWrapper\n{\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n address exchange = address(EXCHANGE);\n\n // Call `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := call(\n gas, // forward all gas\n exchange, // call address of Exchange contract\n 0, // transfer 0 wei\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of WETH to sell\n uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of WETH\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount;\n if (makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n\n require(\n makerAssetFilledAmount >= makerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n // Do nothing if zrxBuyAmount == 0\n if (zrxBuyAmount == 0) {\n return totalFillResults;\n }\n\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n uint256 zrxPurchased = 0;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // All of these are ZRX/WETH, so we can drop the respective assetData from calldata.\n orders[i].makerAssetData = zrxAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of ZRX to buy.\n uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased);\n\n // Convert the remaining amount of ZRX to buy into remaining amount\n // of WETH to sell, assuming entire amount can be sold in the current order.\n uint256 remainingWethSellAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees \n remainingZrxBuyAmount\n );\n\n // Attempt to sell the remaining amount of WETH.\n FillResults memory singleFillResult = fillOrderNoThrow(\n orders[i],\n safeAdd(remainingWethSellAmount, 1), // we add 1 wei to the fill amount to make up for rounding errors\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker.\n addFillResults(totalFillResults, singleFillResult);\n zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid);\n\n // Stop execution if the entire amount of ZRX has been bought.\n if (zrxPurchased >= zrxBuyAmount) {\n break;\n }\n }\n\n require(\n zrxPurchased >= zrxBuyAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\nimport \"./mixins/MAssets.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"./interfaces/IForwarderCore.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinForwarderCore is\n LibFillResults,\n LibMath,\n LibConstants,\n MWeth,\n MAssets,\n MExchangeWrapper,\n IForwarderCore\n{\n using LibBytes for bytes;\n\n /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf.\n constructor ()\n public\n {\n address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID);\n require(\n proxyAddress != address(0),\n \"UNREGISTERED_ASSET_PROXY\"\n );\n ETHER_TOKEN.approve(proxyAddress, MAX_UINT);\n ZRX_TOKEN.approve(proxyAddress, MAX_UINT);\n }\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 wethSellAmount;\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // Calculate amount of WETH that won't be spent on ETH fees.\n wethSellAmount = getPartialAmountFloor(\n PERCENTAGE_DENOMINATOR,\n safeAdd(PERCENTAGE_DENOMINATOR, feePercentage),\n msg.value\n );\n // Market sell available WETH.\n // ZRX fees are paid with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // 5% of WETH is reserved for filling feeOrders and paying feeRecipient.\n wethSellAmount = getPartialAmountFloor(\n MAX_WETH_FILL_PERCENTAGE,\n PERCENTAGE_DENOMINATOR,\n msg.value\n );\n // Market sell 95% of WETH.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // If the makerAsset is ZRX, it is not necessary to pay fees out of this\n // contracts's ZRX balance because fees are factored into the price of the order.\n orderFillResults = marketBuyExactZrxWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // Attemp to purchase desired amount of makerAsset.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketBuyExactAmountWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\n\n\ncontract MixinWeth is\n LibMath,\n LibConstants,\n MWeth\n{\n /// @dev Default payabale function, this allows us to withdraw WETH\n function ()\n public\n payable\n {\n require(\n msg.sender == address(ETHER_TOKEN),\n \"DEFAULT_FUNCTION_WETH_CONTRACT_ONLY\"\n );\n }\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal\n {\n require(\n msg.value > 0,\n \"INVALID_MSG_VALUE\"\n );\n ETHER_TOKEN.deposit.value(msg.value)();\n }\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal\n {\n // Ensure feePercentage is less than 5%.\n require(\n feePercentage <= MAX_FEE_PERCENTAGE,\n \"FEE_PERCENTAGE_TOO_LARGE\"\n );\n\n // Ensure that no extra WETH owned by this contract has been sold.\n uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx);\n require(\n wethSold <= msg.value,\n \"OVERSOLD_WETH\"\n );\n\n // Calculate amount of WETH that hasn't been sold.\n uint256 wethRemaining = safeSub(msg.value, wethSold);\n\n // Calculate ETH fee to pay to feeRecipient.\n uint256 ethFee = getPartialAmountFloor(\n feePercentage,\n PERCENTAGE_DENOMINATOR,\n wethSoldExcludingFeeOrders\n );\n\n // Ensure fee is less than amount of WETH remaining.\n require(\n ethFee <= wethRemaining,\n \"INSUFFICIENT_ETH_REMAINING\"\n );\n \n // Do nothing if no WETH remaining\n if (wethRemaining > 0) {\n // Convert remaining WETH to ETH\n ETHER_TOKEN.withdraw(wethRemaining);\n\n // Pay ETH to feeRecipient\n if (ethFee > 0) {\n feeRecipient.transfer(ethFee);\n }\n\n // Refund remaining ETH to msg.sender.\n uint256 ethRefund = safeSub(wethRemaining, ethFee);\n if (ethRefund > 0) {\n msg.sender.transfer(ethRefund);\n }\n }\n }\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssets {\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external;\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract IForwarderCore {\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n}\n", + "2.0.0/extensions/Forwarder/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/LibBytes/LibBytes.sol\";\nimport \"../../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../../tokens/EtherToken/IEtherToken.sol\";\nimport \"../../../tokens/ERC20Token/IERC20Token.sol\";\n\n\ncontract LibConstants {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n uint256 constant internal MAX_UINT = 2**256 - 1;\n uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; \n uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5%\n uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95%\n \n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n IEtherToken internal ETHER_TOKEN;\n IERC20Token internal ZRX_TOKEN;\n bytes internal ZRX_ASSET_DATA;\n bytes internal WETH_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n WETH_ASSET_DATA = _wethAssetData;\n\n address etherToken = _wethAssetData.readAddress(16);\n address zrxToken = _zrxAssetData.readAddress(16);\n ETHER_TOKEN = IEtherToken(etherToken);\n ZRX_TOKEN = IERC20Token(zrxToken);\n }\n}\n", + "2.0.0/extensions/Forwarder/mixins/MAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssets.sol\";\n\n\ncontract MAssets is\n IAssets\n{\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract MExchangeWrapper {\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n}\n", + "2.0.0/extensions/Forwarder/mixins/MWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract MWeth {\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal;\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal;\n}\n", + "2.0.0/extensions/OrderValidator/OrderValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract OrderValidator {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n struct TraderInfo {\n uint256 makerBalance; // Maker's balance of makerAsset\n uint256 makerAllowance; // Maker's allowance to corresponding AssetProxy\n uint256 takerBalance; // Taker's balance of takerAsset\n uint256 takerAllowance; // Taker's allowance to corresponding AssetProxy\n uint256 makerZrxBalance; // Maker's balance of ZRX\n uint256 makerZrxAllowance; // Maker's allowance of ZRX to ERC20Proxy\n uint256 takerZrxBalance; // Taker's balance of ZRX\n uint256 takerZrxAllowance; // Taker's allowance of ZRX to ERC20Proxy\n }\n\n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n bytes internal ZRX_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (address _exchange, bytes memory _zrxAssetData)\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n }\n\n /// @dev Fetches information for order and maker/taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return OrderInfo and TraderInfo instances for given order.\n function getOrderAndTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo, TraderInfo memory traderInfo)\n {\n orderInfo = EXCHANGE.getOrderInfo(order);\n traderInfo = getTraderInfo(order, takerAddress);\n return (orderInfo, traderInfo);\n }\n\n /// @dev Fetches information for all passed in orders and the makers/takers of each order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Arrays of OrderInfo and TraderInfo instances that correspond to each order.\n function getOrdersAndTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (LibOrder.OrderInfo[] memory ordersInfo, TraderInfo[] memory tradersInfo)\n {\n ordersInfo = EXCHANGE.getOrdersInfo(orders);\n tradersInfo = getTradersInfo(orders, takerAddresses);\n return (ordersInfo, tradersInfo);\n }\n\n /// @dev Fetches balance and allowances for maker and taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return Balances and allowances of maker and taker of order.\n function getTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (TraderInfo memory traderInfo)\n {\n (traderInfo.makerBalance, traderInfo.makerAllowance) = getBalanceAndAllowance(order.makerAddress, order.makerAssetData);\n (traderInfo.takerBalance, traderInfo.takerAllowance) = getBalanceAndAllowance(takerAddress, order.takerAssetData);\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n (traderInfo.makerZrxBalance, traderInfo.makerZrxAllowance) = getBalanceAndAllowance(order.makerAddress, zrxAssetData);\n (traderInfo.takerZrxBalance, traderInfo.takerZrxAllowance) = getBalanceAndAllowance(takerAddress, zrxAssetData);\n return traderInfo;\n }\n\n /// @dev Fetches balances and allowances of maker and taker for each provided order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Array of balances and allowances for maker and taker of each order.\n function getTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (TraderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n TraderInfo[] memory tradersInfo = new TraderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n tradersInfo[i] = getTraderInfo(orders[i], takerAddresses[i]);\n }\n return tradersInfo;\n }\n\n /// @dev Fetches token balances and allowances of an address to given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Encoded data that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balance of asset and allowance set to given proxy of asset.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalanceAndAllowance(address target, bytes memory assetData)\n public\n view\n returns (uint256 balance, uint256 allowance)\n {\n bytes4 assetProxyId = assetData.readBytes4(0);\n address token = assetData.readAddress(16);\n address assetProxy = EXCHANGE.getAssetProxy(assetProxyId);\n\n if (assetProxyId == ERC20_DATA_ID) {\n // Query balance\n balance = IERC20Token(token).balanceOf(target);\n\n // Query allowance\n allowance = IERC20Token(token).allowance(target, assetProxy);\n } else if (assetProxyId == ERC721_DATA_ID) {\n uint256 tokenId = assetData.readUint256(36);\n\n // Query owner of tokenId\n address owner = getERC721TokenOwner(token, tokenId);\n\n // Set balance to 1 if tokenId is owned by target\n balance = target == owner ? 1 : 0;\n\n // Check if ERC721Proxy is approved to spend tokenId\n bool isApproved = IERC721Token(token).isApprovedForAll(target, assetProxy) || IERC721Token(token).getApproved(tokenId) == assetProxy;\n \n // Set alowance to 1 if ERC721Proxy is approved to spend tokenId\n allowance = isApproved ? 1 : 0;\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n return (balance, allowance);\n }\n\n /// @dev Fetches token balances and allowances of an address for each given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Array of encoded byte arrays that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balances and allowances of assets.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalancesAndAllowances(address target, bytes[] memory assetData)\n public\n view\n returns (uint256[] memory, uint256[] memory)\n {\n uint256 length = assetData.length;\n uint256[] memory balances = new uint256[](length);\n uint256[] memory allowances = new uint256[](length);\n for (uint256 i = 0; i != length; i++) {\n (balances[i], allowances[i]) = getBalanceAndAllowance(target, assetData[i]);\n }\n return (balances, allowances);\n }\n\n /// @dev Calls `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token.\n /// @param token Address of ERC721 token.\n /// @param tokenId The identifier for the specific NFT.\n /// @return Owner of tokenId or null address if unowned.\n function getERC721TokenOwner(address token, uint256 tokenId)\n public\n view\n returns (address owner)\n {\n assembly {\n // load free memory pointer\n let cdStart := mload(64)\n\n // bytes4(keccak256(ownerOf(uint256))) = 0x6352211e\n mstore(cdStart, 0x6352211e00000000000000000000000000000000000000000000000000000000)\n mstore(add(cdStart, 4), tokenId)\n\n // staticcall `ownerOf(tokenId)`\n // `ownerOf` will revert if tokenId is not owned\n let success := staticcall(\n gas, // forward all gas\n token, // call token contract\n cdStart, // start of calldata\n 36, // length of input is 36 bytes\n cdStart, // write output over input\n 32 // size of output is 32 bytes\n )\n\n // Success implies that tokenId is owned\n // Copy owner from return data if successful\n if success {\n owner := mload(cdStart)\n } \n }\n\n // Owner initialized to address(0), no need to modify if call is unsuccessful\n return owner;\n }\n}\n", + "2.0.0/multisig/MultiSigWallet.sol": "// solhint-disable\npragma solidity ^0.4.15;\n\n\n/// @title Multisignature wallet - Allows multiple parties to agree on transactions before execution.\n/// @author Stefan George - \ncontract MultiSigWallet {\n\n /*\n * Events\n */\n event Confirmation(address indexed sender, uint indexed transactionId);\n event Revocation(address indexed sender, uint indexed transactionId);\n event Submission(uint indexed transactionId);\n event Execution(uint indexed transactionId);\n event ExecutionFailure(uint indexed transactionId);\n event Deposit(address indexed sender, uint value);\n event OwnerAddition(address indexed owner);\n event OwnerRemoval(address indexed owner);\n event RequirementChange(uint required);\n\n /*\n * Constants\n */\n uint constant public MAX_OWNER_COUNT = 50;\n\n /*\n * Storage\n */\n mapping (uint => Transaction) public transactions;\n mapping (uint => mapping (address => bool)) public confirmations;\n mapping (address => bool) public isOwner;\n address[] public owners;\n uint public required;\n uint public transactionCount;\n\n struct Transaction {\n address destination;\n uint value;\n bytes data;\n bool executed;\n }\n\n /*\n * Modifiers\n */\n modifier onlyWallet() {\n require(msg.sender == address(this));\n _;\n }\n\n modifier ownerDoesNotExist(address owner) {\n require(!isOwner[owner]);\n _;\n }\n\n modifier ownerExists(address owner) {\n require(isOwner[owner]);\n _;\n }\n\n modifier transactionExists(uint transactionId) {\n require(transactions[transactionId].destination != 0);\n _;\n }\n\n modifier confirmed(uint transactionId, address owner) {\n require(confirmations[transactionId][owner]);\n _;\n }\n\n modifier notConfirmed(uint transactionId, address owner) {\n require(!confirmations[transactionId][owner]);\n _;\n }\n\n modifier notExecuted(uint transactionId) {\n require(!transactions[transactionId].executed);\n _;\n }\n\n modifier notNull(address _address) {\n require(_address != 0);\n _;\n }\n\n modifier validRequirement(uint ownerCount, uint _required) {\n require(ownerCount <= MAX_OWNER_COUNT\n && _required <= ownerCount\n && _required != 0\n && ownerCount != 0);\n _;\n }\n\n /// @dev Fallback function allows to deposit ether.\n function()\n payable\n {\n if (msg.value > 0)\n Deposit(msg.sender, msg.value);\n }\n\n /*\n * Public functions\n */\n /// @dev Contract constructor sets initial owners and required number of confirmations.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n function MultiSigWallet(address[] _owners, uint _required)\n public\n validRequirement(_owners.length, _required)\n {\n for (uint i=0; i<_owners.length; i++) {\n require(!isOwner[_owners[i]] && _owners[i] != 0);\n isOwner[_owners[i]] = true;\n }\n owners = _owners;\n required = _required;\n }\n\n /// @dev Allows to add a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of new owner.\n function addOwner(address owner)\n public\n onlyWallet\n ownerDoesNotExist(owner)\n notNull(owner)\n validRequirement(owners.length + 1, required)\n {\n isOwner[owner] = true;\n owners.push(owner);\n OwnerAddition(owner);\n }\n\n /// @dev Allows to remove an owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner.\n function removeOwner(address owner)\n public\n onlyWallet\n ownerExists(owner)\n {\n isOwner[owner] = false;\n for (uint i=0; i owners.length)\n changeRequirement(owners.length);\n OwnerRemoval(owner);\n }\n\n /// @dev Allows to replace an owner with a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner to be replaced.\n /// @param newOwner Address of new owner.\n function replaceOwner(address owner, address newOwner)\n public\n onlyWallet\n ownerExists(owner)\n ownerDoesNotExist(newOwner)\n {\n for (uint i=0; i\n// solhint-disable not-rely-on-time\ncontract MultiSigWalletWithTimeLock is\n MultiSigWallet\n{\n event ConfirmationTimeSet(uint256 indexed transactionId, uint256 confirmationTime);\n event TimeLockChange(uint256 secondsTimeLocked);\n\n uint256 public secondsTimeLocked;\n\n mapping (uint256 => uint256) public confirmationTimes;\n\n modifier notFullyConfirmed(uint256 transactionId) {\n require(\n !isConfirmed(transactionId),\n \"TX_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier fullyConfirmed(uint256 transactionId) {\n require(\n isConfirmed(transactionId),\n \"TX_NOT_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier pastTimeLock(uint256 transactionId) {\n require(\n block.timestamp >= confirmationTimes[transactionId] + secondsTimeLocked,\n \"TIME_LOCK_INCOMPLETE\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations, and time lock.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] _owners,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWallet(_owners, _required)\n {\n secondsTimeLocked = _secondsTimeLocked;\n }\n\n /// @dev Changes the duration of the time lock for transactions.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n function changeTimeLock(uint256 _secondsTimeLocked)\n public\n onlyWallet\n {\n secondsTimeLocked = _secondsTimeLocked;\n emit TimeLockChange(_secondsTimeLocked);\n }\n\n /// @dev Allows an owner to confirm a transaction.\n /// @param transactionId Transaction ID.\n function confirmTransaction(uint256 transactionId)\n public\n ownerExists(msg.sender)\n transactionExists(transactionId)\n notConfirmed(transactionId, msg.sender)\n notFullyConfirmed(transactionId)\n {\n confirmations[transactionId][msg.sender] = true;\n emit Confirmation(msg.sender, transactionId);\n if (isConfirmed(transactionId)) {\n setConfirmationTime(transactionId, block.timestamp);\n }\n }\n\n /// @dev Allows anyone to execute a confirmed transaction.\n /// @param transactionId Transaction ID.\n function executeTransaction(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n pastTimeLock(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n\n /// @dev Sets the time of when a submission first passed.\n function setConfirmationTime(uint256 transactionId, uint256 confirmationTime)\n internal\n {\n confirmationTimes[transactionId] = confirmationTime;\n emit ConfirmationTimeSet(transactionId, confirmationTime);\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC20Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n \n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 1 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n\n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. amount |\n\n /////// Read token address from calldata ///////\n // * The token address is stored in `assetData`.\n //\n // * The \"offset to assetData\" is stored at offset 4 in the calldata (table 1).\n // [assetDataOffsetFromParams = calldataload(4)]\n //\n // * Notes that the \"offset to assetData\" is relative to the \"Params\" area of calldata;\n // add 4 bytes to account for the length of the \"Header\" area (table 1).\n // [assetDataOffsetFromHeader = assetDataOffsetFromParams + 4]\n //\n // * The \"token address\" is offset 32+4=36 bytes into \"assetData\" (tables 1 & 2).\n // [tokenOffset = assetDataOffsetFromHeader + 36 = calldataload(4) + 4 + 36]\n let token := calldataload(add(calldataload(4), 40))\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from`, `to` and `amount` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 96)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output over input\n 32 // output size should be 32 bytes\n )\n\n /////// Check return data. ///////\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // nonzero 32 bytes value.\n // So the transfer succeeded if the call succeeded and either\n // returned nothing, or returned a non-zero 32 byte value. \n success := and(success, or(\n iszero(returndatasize),\n and(\n eq(returndatasize, 32),\n gt(mload(0), 0)\n )\n ))\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC721Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 2 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n // | | 36 | | 2. tokenId |\n \n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. tokenId |\n\n // There exists only 1 of each token.\n // require(amount == 1, \"INVALID_AMOUNT\")\n if sub(calldataload(100), 1) {\n // Revert with `Error(\"INVALID_AMOUNT\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from` and `to` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 64)\n\n // Copy `tokenId` field from our own calldata to the new calldata.\n let assetDataOffset := calldataload(4)\n calldatacopy(68, add(assetDataOffset, 72), 32)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let token := calldataload(add(assetDataOffset, 40))\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output to null\n 0 // output size is 0 bytes\n )\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAuthorizable.sol\";\n\n\ncontract MixinAuthorizable is\n Ownable,\n MAuthorizable\n{\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized {\n require(\n authorized[msg.sender],\n \"SENDER_NOT_AUTHORIZED\"\n );\n _;\n }\n\n mapping (address => bool) public authorized;\n address[] public authorities;\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n !authorized[target],\n \"TARGET_ALREADY_AUTHORIZED\"\n );\n\n authorized[target] = true;\n authorities.push(target);\n emit AuthorizedAddressAdded(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n\n delete authorized[target];\n for (uint256 i = 0; i < authorities.length; i++) {\n if (authorities[i] == target) {\n authorities[i] = authorities[authorities.length - 1];\n authorities.length -= 1;\n break;\n }\n }\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n require(\n index < authorities.length,\n \"INDEX_OUT_OF_BOUNDS\"\n );\n require(\n authorities[index] == target,\n \"AUTHORIZED_ADDRESS_MISMATCH\"\n );\n\n delete authorized[target];\n authorities[index] = authorities[authorities.length - 1];\n authorities.length -= 1;\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory)\n {\n return authorities;\n }\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IAuthorizable.sol\";\n\n\ncontract IAssetProxy is\n IAuthorizable\n{\n /// @dev Transfers assets. Either succeeds or throws.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n function transferFrom(\n bytes assetData,\n address from,\n address to,\n uint256 amount\n )\n external;\n \n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4);\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/Ownable/IOwnable.sol\";\n\n\ncontract IAuthorizable is\n IOwnable\n{\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external;\n \n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory);\n}\n", + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAuthorizable.sol\";\n\n\ncontract MAuthorizable is\n IAuthorizable\n{\n // Event logged when a new address is authorized.\n event AuthorizedAddressAdded(\n address indexed target,\n address indexed caller\n );\n\n // Event logged when a currently authorized address is unauthorized.\n event AuthorizedAddressRemoved(\n address indexed target,\n address indexed caller\n );\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized { revert(); _; }\n}\n", + "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../multisig/MultiSigWalletWithTimeLock.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract AssetProxyOwner is\n MultiSigWalletWithTimeLock\n{\n using LibBytes for bytes;\n\n event AssetProxyRegistration(address assetProxyContract, bool isRegistered);\n\n // Mapping of AssetProxy contract address =>\n // if this contract is allowed to call the AssetProxy's `removeAuthorizedAddressAtIndex` method without a time lock.\n mapping (address => bool) public isAssetProxyRegistered;\n\n bytes4 constant internal REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR = bytes4(keccak256(\"removeAuthorizedAddressAtIndex(address,uint256)\"));\n\n /// @dev Function will revert if the transaction does not call `removeAuthorizedAddressAtIndex`\n /// on an approved AssetProxy contract.\n modifier validRemoveAuthorizedAddressAtIndexTx(uint256 transactionId) {\n Transaction storage txn = transactions[transactionId];\n require(\n isAssetProxyRegistered[txn.destination],\n \"UNREGISTERED_ASSET_PROXY\"\n );\n require(\n txn.data.readBytes4(0) == REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR,\n \"INVALID_FUNCTION_SELECTOR\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations,\n /// time lock, and list of AssetProxy addresses.\n /// @param _owners List of initial owners.\n /// @param _assetProxyContracts Array of AssetProxy contract addresses.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] memory _owners,\n address[] memory _assetProxyContracts,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWalletWithTimeLock(_owners, _required, _secondsTimeLocked)\n {\n for (uint256 i = 0; i < _assetProxyContracts.length; i++) {\n address assetProxy = _assetProxyContracts[i];\n require(\n assetProxy != address(0),\n \"INVALID_ASSET_PROXY\"\n );\n isAssetProxyRegistered[assetProxy] = true;\n }\n }\n\n /// @dev Registers or deregisters an AssetProxy to be able to execute\n /// `removeAuthorizedAddressAtIndex` without a timelock.\n /// @param assetProxyContract Address of AssetProxy contract.\n /// @param isRegistered Status of approval for AssetProxy contract.\n function registerAssetProxy(address assetProxyContract, bool isRegistered)\n public\n onlyWallet\n notNull(assetProxyContract)\n {\n isAssetProxyRegistered[assetProxyContract] = isRegistered;\n emit AssetProxyRegistration(assetProxyContract, isRegistered);\n }\n\n /// @dev Allows execution of `removeAuthorizedAddressAtIndex` without time lock.\n /// @param transactionId Transaction ID.\n function executeRemoveAuthorizedAddressAtIndex(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n validRemoveAuthorizedAddressAtIndexTx(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n}\n", + "2.0.0/protocol/Exchange/Exchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinExchangeCore.sol\";\nimport \"./MixinSignatureValidator.sol\";\nimport \"./MixinWrapperFunctions.sol\";\nimport \"./MixinAssetProxyDispatcher.sol\";\nimport \"./MixinTransactions.sol\";\nimport \"./MixinMatchOrders.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Exchange is\n MixinExchangeCore,\n MixinMatchOrders,\n MixinSignatureValidator,\n MixinTransactions,\n MixinAssetProxyDispatcher,\n MixinWrapperFunctions\n{\n string constant public VERSION = \"2.0.0\";\n\n // Mixins are instantiated in the order they are inherited\n constructor ()\n public\n MixinExchangeCore()\n MixinMatchOrders()\n MixinSignatureValidator()\n MixinTransactions()\n MixinAssetProxyDispatcher()\n MixinWrapperFunctions()\n {}\n}\n", + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\nimport \"../AssetProxy/interfaces/IAssetProxy.sol\";\n\n\ncontract MixinAssetProxyDispatcher is\n Ownable,\n MAssetProxyDispatcher\n{\n // Mapping from Asset Proxy Id's to their respective Asset Proxy\n mapping (bytes4 => IAssetProxy) public assetProxies;\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external\n onlyOwner\n {\n IAssetProxy assetProxyContract = IAssetProxy(assetProxy);\n\n // Ensure that no asset proxy exists with current id.\n bytes4 assetProxyId = assetProxyContract.getProxyId();\n address currentAssetProxy = assetProxies[assetProxyId];\n require(\n currentAssetProxy == address(0),\n \"ASSET_PROXY_ALREADY_EXISTS\"\n );\n\n // Add asset proxy and log registration.\n assetProxies[assetProxyId] = assetProxyContract;\n emit AssetProxyRegistered(\n assetProxyId,\n assetProxy\n );\n }\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address)\n {\n return assetProxies[assetProxyId];\n }\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal\n {\n // Do nothing if no amount should be transferred.\n if (amount > 0 && from != to) {\n // Ensure assetData length is valid\n require(\n assetData.length > 3,\n \"LENGTH_GREATER_THAN_3_REQUIRED\"\n );\n \n // Lookup assetProxy. We do not use `LibBytes.readBytes4` for gas efficiency reasons.\n bytes4 assetProxyId;\n assembly {\n assetProxyId := and(mload(\n add(assetData, 32)),\n 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000\n )\n }\n address assetProxy = assetProxies[assetProxyId];\n\n // Ensure that assetProxy exists\n require(\n assetProxy != address(0),\n \"ASSET_PROXY_DOES_NOT_EXIST\"\n );\n \n // We construct calldata for the `assetProxy.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n\n assembly {\n /////// Setup State ///////\n // `cdStart` is the start of the calldata for `assetProxy.transferFrom` (equal to free memory ptr).\n let cdStart := mload(64)\n // `dataAreaLength` is the total number of words needed to store `assetData`\n // As-per the ABI spec, this value is padded up to the nearest multiple of 32,\n // and includes 32-bytes for length.\n let dataAreaLength := and(add(mload(assetData), 63), 0xFFFFFFFFFFFE0)\n // `cdEnd` is the end of the calldata for `assetProxy.transferFrom`.\n let cdEnd := add(cdStart, add(132, dataAreaLength))\n\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFromSelector`.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes.\n // Notes:\n // 1. The offset to `assetData` is the length of the Params Area (128 bytes).\n // 2. A 20-byte mask is applied to addresses to zero-out the unused bytes.\n mstore(add(cdStart, 4), 128)\n mstore(add(cdStart, 36), and(from, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 68), and(to, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 100), amount)\n \n /////// Setup Data Area ///////\n // This area holds `assetData`.\n let dataArea := add(cdStart, 132)\n // solhint-disable-next-line no-empty-blocks\n for {} lt(dataArea, cdEnd) {} {\n mstore(dataArea, mload(assetData))\n dataArea := add(dataArea, 32)\n assetData := add(assetData, 32)\n }\n\n /////// Call `assetProxy.transferFrom` using the constructed calldata ///////\n let success := call(\n gas, // forward all gas\n assetProxy, // call address of asset proxy\n 0, // don't send any ETH\n cdStart, // pointer to start of input\n sub(cdEnd, cdStart), // length of input \n cdStart, // write output over input\n 512 // reserve 512 bytes for output\n )\n if iszero(success) {\n revert(cdStart, returndatasize())\n }\n }\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinExchangeCore is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n LibOrder,\n LibFillResults,\n MAssetProxyDispatcher,\n MExchangeCore,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of orderHash => amount of takerAsset already bought by maker\n mapping (bytes32 => uint256) public filled;\n\n // Mapping of orderHash => cancelled\n mapping (bytes32 => bool) public cancelled;\n\n // Mapping of makerAddress => senderAddress => lowest salt an order can have in order to be fillable\n // Orders with specified senderAddress and with a salt less than their epoch are considered cancelled\n mapping (address => mapping (address => uint256)) public orderEpoch;\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external\n nonReentrant\n {\n address makerAddress = getCurrentContextAddress();\n // If this function is called via `executeTransaction`, we only update the orderEpoch for the makerAddress/msg.sender combination.\n // This allows external filter contracts to add rules to how orders are cancelled via this function.\n address senderAddress = makerAddress == msg.sender ? address(0) : msg.sender;\n\n // orderEpoch is initialized to 0, so to cancelUpTo we need salt + 1\n uint256 newOrderEpoch = targetOrderEpoch + 1; \n uint256 oldOrderEpoch = orderEpoch[makerAddress][senderAddress];\n\n // Ensure orderEpoch is monotonically increasing\n require(\n newOrderEpoch > oldOrderEpoch, \n \"INVALID_NEW_ORDER_EPOCH\"\n );\n\n // Update orderEpoch\n orderEpoch[makerAddress][senderAddress] = newOrderEpoch;\n emit CancelUpTo(\n makerAddress,\n senderAddress,\n newOrderEpoch\n );\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrder(Order memory order)\n public\n nonReentrant\n {\n cancelOrderInternal(order);\n }\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(Order memory order)\n public\n view\n returns (OrderInfo memory orderInfo)\n {\n // Compute the order hash\n orderInfo.orderHash = getOrderHash(order);\n\n // Fetch filled amount\n orderInfo.orderTakerAssetFilledAmount = filled[orderInfo.orderHash];\n\n // If order.makerAssetAmount is zero, we also reject the order.\n // While the Exchange contract handles them correctly, they create\n // edge cases in the supporting infrastructure because they have\n // an 'infinite' price when computed by a simple division.\n if (order.makerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_MAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // If order.takerAssetAmount is zero, then the order will always\n // be considered filled because 0 == takerAssetAmount == orderTakerAssetFilledAmount\n // Instead of distinguishing between unfilled and filled zero taker\n // amount orders, we choose not to support them.\n if (order.takerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_TAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // Validate order availability\n if (orderInfo.orderTakerAssetFilledAmount >= order.takerAssetAmount) {\n orderInfo.orderStatus = uint8(OrderStatus.FULLY_FILLED);\n return orderInfo;\n }\n\n // Validate order expiration\n // solhint-disable-next-line not-rely-on-time\n if (block.timestamp >= order.expirationTimeSeconds) {\n orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);\n return orderInfo;\n }\n\n // Check if order has been cancelled\n if (cancelled[orderInfo.orderHash]) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n if (orderEpoch[order.makerAddress][order.senderAddress] > order.salt) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n\n // All other statuses are ruled out: order is Fillable\n orderInfo.orderStatus = uint8(OrderStatus.FILLABLE);\n return orderInfo;\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // Fetch order info\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Assert that the order is fillable by taker\n assertFillableOrder(\n order,\n orderInfo,\n takerAddress,\n signature\n );\n \n // Get amount of takerAsset to fill\n uint256 remainingTakerAssetAmount = safeSub(order.takerAssetAmount, orderInfo.orderTakerAssetFilledAmount);\n uint256 takerAssetFilledAmount = min256(takerAssetFillAmount, remainingTakerAssetAmount);\n\n // Validate context\n assertValidFill(\n order,\n orderInfo,\n takerAssetFillAmount,\n takerAssetFilledAmount,\n fillResults.makerAssetFilledAmount\n );\n\n // Compute proportional fill amounts\n fillResults = calculateFillResults(order, takerAssetFilledAmount);\n\n // Update exchange internal state\n updateFilledState(\n order,\n takerAddress,\n orderInfo.orderHash,\n orderInfo.orderTakerAssetFilledAmount,\n fillResults\n );\n \n // Settle order\n settleOrder(\n order,\n takerAddress,\n fillResults\n );\n\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrderInternal(Order memory order)\n internal\n {\n // Fetch current order status\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Validate context\n assertValidCancel(order, orderInfo);\n\n // Perform cancel\n updateCancelledState(order, orderInfo.orderHash);\n }\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n function updateFilledState(\n Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n FillResults memory fillResults\n )\n internal\n {\n // Update state\n filled[orderHash] = safeAdd(orderTakerAssetFilledAmount, fillResults.takerAssetFilledAmount);\n\n // Log order\n emit Fill(\n order.makerAddress,\n order.feeRecipientAddress,\n takerAddress,\n msg.sender,\n fillResults.makerAssetFilledAmount,\n fillResults.takerAssetFilledAmount,\n fillResults.makerFeePaid,\n fillResults.takerFeePaid,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n Order memory order,\n bytes32 orderHash\n )\n internal\n {\n // Perform cancel\n cancelled[orderHash] = true;\n\n // Log cancel\n emit Cancel(\n order.makerAddress,\n order.feeRecipientAddress,\n msg.sender,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n Order memory order,\n OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view\n {\n // An order can only be filled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n \n // Validate sender is allowed to fill this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n \n // Validate taker is allowed to fill this order\n if (order.takerAddress != address(0)) {\n require(\n order.takerAddress == takerAddress,\n \"INVALID_TAKER\"\n );\n }\n \n // Validate Maker signature (check only if first time seen)\n if (orderInfo.orderTakerAssetFilledAmount == 0) {\n require(\n isValidSignature(\n orderInfo.orderHash,\n order.makerAddress,\n signature\n ),\n \"INVALID_ORDER_SIGNATURE\"\n );\n }\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n Order memory order,\n OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount, // TODO: use FillResults\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view\n {\n // Revert if fill amount is invalid\n // TODO: reconsider necessity for v2.1\n require(\n takerAssetFillAmount != 0,\n \"INVALID_TAKER_AMOUNT\"\n );\n \n // Make sure taker does not pay more than desired amount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n takerAssetFilledAmount <= takerAssetFillAmount,\n \"TAKER_OVERPAY\"\n );\n \n // Make sure order is not overfilled\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeAdd(orderInfo.orderTakerAssetFilledAmount, takerAssetFilledAmount) <= order.takerAssetAmount,\n \"ORDER_OVERFILL\"\n );\n \n // Make sure order is filled at acceptable price.\n // The order has an implied price from the makers perspective:\n // order price = order.makerAssetAmount / order.takerAssetAmount\n // i.e. the number of makerAsset maker is paying per takerAsset. The\n // maker is guaranteed to get this price or a better (lower) one. The\n // actual price maker is getting in this fill is:\n // fill price = makerAssetFilledAmount / takerAssetFilledAmount\n // We need `fill price <= order price` for the fill to be fair to maker.\n // This amounts to:\n // makerAssetFilledAmount order.makerAssetAmount\n // ------------------------ <= -----------------------\n // takerAssetFilledAmount order.takerAssetAmount\n // or, equivalently:\n // makerAssetFilledAmount * order.takerAssetAmount <=\n // order.makerAssetAmount * takerAssetFilledAmount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeMul(makerAssetFilledAmount, order.takerAssetAmount)\n <= \n safeMul(order.makerAssetAmount, takerAssetFilledAmount),\n \"INVALID_FILL_PRICE\"\n );\n }\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n Order memory order,\n OrderInfo memory orderInfo\n )\n internal\n view\n {\n // Ensure order is valid\n // An order can only be cancelled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Validate sender is allowed to cancel this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate transaction signed by maker\n address makerAddress = getCurrentContextAddress();\n require(\n order.makerAddress == makerAddress,\n \"INVALID_MAKER\"\n );\n }\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (FillResults memory fillResults)\n {\n // Compute proportional transfer amounts\n fillResults.takerAssetFilledAmount = takerAssetFilledAmount;\n fillResults.makerAssetFilledAmount = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n );\n fillResults.makerFeePaid = safeGetPartialAmountFloor(\n fillResults.makerAssetFilledAmount,\n order.makerAssetAmount,\n order.makerFee\n );\n fillResults.takerFeePaid = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.takerFee\n );\n\n return fillResults;\n }\n\n /// @dev Settles an order by transferring assets between counterparties.\n /// @param order Order struct containing order specifications.\n /// @param takerAddress Address selling takerAsset and buying makerAsset.\n /// @param fillResults Amounts to be filled and fees paid by maker and taker.\n function settleOrder(\n LibOrder.Order memory order,\n address takerAddress,\n LibFillResults.FillResults memory fillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n dispatchTransferFrom(\n order.makerAssetData,\n order.makerAddress,\n takerAddress,\n fillResults.makerAssetFilledAmount\n );\n dispatchTransferFrom(\n order.takerAssetData,\n takerAddress,\n order.makerAddress,\n fillResults.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n zrxAssetData,\n order.makerAddress,\n order.feeRecipientAddress,\n fillResults.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n order.feeRecipientAddress,\n fillResults.takerFeePaid\n );\n }\n}\n", + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": "/*\n Copyright 2018 ZeroEx Intl.\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n http://www.apache.org/licenses/LICENSE-2.0\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MMatchOrders.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinMatchOrders is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n MAssetProxyDispatcher,\n MExchangeCore,\n MMatchOrders,\n MTransactions\n{\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n nonReentrant\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We assume that rightOrder.takerAssetData == leftOrder.makerAssetData and rightOrder.makerAssetData == leftOrder.takerAssetData.\n // If this assumption isn't true, the match will fail at signature validation.\n rightOrder.makerAssetData = leftOrder.takerAssetData;\n rightOrder.takerAssetData = leftOrder.makerAssetData;\n\n // Get left & right order info\n LibOrder.OrderInfo memory leftOrderInfo = getOrderInfo(leftOrder);\n LibOrder.OrderInfo memory rightOrderInfo = getOrderInfo(rightOrder);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Either our context is valid or we revert\n assertFillableOrder(\n leftOrder,\n leftOrderInfo,\n takerAddress,\n leftSignature\n );\n assertFillableOrder(\n rightOrder,\n rightOrderInfo,\n takerAddress,\n rightSignature\n );\n assertValidMatch(leftOrder, rightOrder);\n\n // Compute proportional fill amounts\n matchedFillResults = calculateMatchedFillResults(\n leftOrder,\n rightOrder,\n leftOrderInfo.orderTakerAssetFilledAmount,\n rightOrderInfo.orderTakerAssetFilledAmount\n );\n\n // Validate fill contexts\n assertValidFill(\n leftOrder,\n leftOrderInfo,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.makerAssetFilledAmount\n );\n assertValidFill(\n rightOrder,\n rightOrderInfo,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n \n // Update exchange state\n updateFilledState(\n leftOrder,\n takerAddress,\n leftOrderInfo.orderHash,\n leftOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.left\n );\n updateFilledState(\n rightOrder,\n takerAddress,\n rightOrderInfo.orderHash,\n rightOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.right\n );\n\n // Settle matched orders. Succeeds or throws.\n settleMatchedOrders(\n leftOrder,\n rightOrder,\n takerAddress,\n matchedFillResults\n );\n\n return matchedFillResults;\n }\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure\n {\n // Make sure there is a profitable spread.\n // There is a profitable spread iff the cost per unit bought (OrderA.MakerAmount/OrderA.TakerAmount) for each order is greater\n // than the profit per unit sold of the matched order (OrderB.TakerAmount/OrderB.MakerAmount).\n // This is satisfied by the equations below:\n // / >= / \n // AND\n // / >= / \n // These equations can be combined to get the following:\n require(\n safeMul(leftOrder.makerAssetAmount, rightOrder.makerAssetAmount) >=\n safeMul(leftOrder.takerAssetAmount, rightOrder.takerAssetAmount),\n \"NEGATIVE_SPREAD_REQUIRED\"\n );\n }\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // Derive maker asset amounts for left & right orders, given store taker assert amounts\n uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);\n uint256 leftMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n leftTakerAssetAmountRemaining\n );\n uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);\n uint256 rightMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n rightOrder.makerAssetAmount,\n rightOrder.takerAssetAmount,\n rightTakerAssetAmountRemaining\n );\n\n // Calculate fill results for maker and taker assets: at least one order will be fully filled.\n // The maximum amount the left maker can buy is `leftTakerAssetAmountRemaining`\n // The maximum amount the right maker can sell is `rightMakerAssetAmountRemaining`\n // We have two distinct cases for calculating the fill results:\n // Case 1.\n // If the left maker can buy more than the right maker can sell, then only the right order is fully filled.\n // If the left maker can buy exactly what the right maker can sell, then both orders are fully filled.\n // Case 2.\n // If the left maker cannot buy more than the right maker can sell, then only the left order is fully filled.\n if (leftTakerAssetAmountRemaining >= rightMakerAssetAmountRemaining) {\n // Case 1: Right order is fully filled\n matchedFillResults.right.makerAssetFilledAmount = rightMakerAssetAmountRemaining;\n matchedFillResults.right.takerAssetFilledAmount = rightTakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = matchedFillResults.right.makerAssetFilledAmount;\n // Round down to ensure the maker's exchange rate does not exceed the price specified by the order. \n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.left.makerAssetFilledAmount = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n matchedFillResults.left.takerAssetFilledAmount\n );\n } else {\n // Case 2: Left order is fully filled\n matchedFillResults.left.makerAssetFilledAmount = leftMakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = leftTakerAssetAmountRemaining;\n matchedFillResults.right.makerAssetFilledAmount = matchedFillResults.left.takerAssetFilledAmount;\n // Round up to ensure the maker's exchange rate does not exceed the price specified by the order.\n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.right.takerAssetFilledAmount = safeGetPartialAmountCeil(\n rightOrder.takerAssetAmount,\n rightOrder.makerAssetAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n }\n\n // Calculate amount given to taker\n matchedFillResults.leftMakerAssetSpreadAmount = safeSub(\n matchedFillResults.left.makerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount\n );\n\n // Compute fees for left order\n matchedFillResults.left.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.makerAssetFilledAmount,\n leftOrder.makerAssetAmount,\n leftOrder.makerFee\n );\n matchedFillResults.left.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.takerAssetFilledAmount,\n leftOrder.takerAssetAmount,\n leftOrder.takerFee\n );\n\n // Compute fees for right order\n matchedFillResults.right.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.makerAssetFilledAmount,\n rightOrder.makerAssetAmount,\n rightOrder.makerFee\n );\n matchedFillResults.right.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.takerAssetFilledAmount,\n rightOrder.takerAssetAmount,\n rightOrder.takerFee\n );\n\n // Return fill results\n return matchedFillResults;\n }\n\n /// @dev Settles matched order by transferring appropriate funds between order makers, taker, and fee recipient.\n /// @param leftOrder First matched order.\n /// @param rightOrder Second matched order.\n /// @param takerAddress Address that matched the orders. The taker receives the spread between orders as profit.\n /// @param matchedFillResults Struct holding amounts to transfer between makers, taker, and fee recipients.\n function settleMatchedOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n address takerAddress,\n LibFillResults.MatchedFillResults memory matchedFillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n // Order makers and taker\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n rightOrder.makerAddress,\n matchedFillResults.right.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n rightOrder.makerAssetData,\n rightOrder.makerAddress,\n leftOrder.makerAddress,\n matchedFillResults.left.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n takerAddress,\n matchedFillResults.leftMakerAssetSpreadAmount\n );\n\n // Maker fees\n dispatchTransferFrom(\n zrxAssetData,\n leftOrder.makerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n rightOrder.makerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.makerFeePaid\n );\n\n // Taker fees\n if (leftOrder.feeRecipientAddress == rightOrder.feeRecipientAddress) {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n safeAdd(\n matchedFillResults.left.takerFeePaid,\n matchedFillResults.right.takerFeePaid\n )\n );\n } else {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.takerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.takerFeePaid\n );\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./interfaces/IWallet.sol\";\nimport \"./interfaces/IValidator.sol\";\n\n\ncontract MixinSignatureValidator is\n ReentrancyGuard,\n MSignatureValidator,\n MTransactions\n{\n using LibBytes for bytes;\n \n // Mapping of hash => signer => signed\n mapping (bytes32 => mapping (address => bool)) public preSigned;\n\n // Mapping of signer => validator => approved\n mapping (address => mapping (address => bool)) public allowedValidators;\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n {\n if (signerAddress != msg.sender) {\n require(\n isValidSignature(\n hash,\n signerAddress,\n signature\n ),\n \"INVALID_SIGNATURE\"\n );\n }\n preSigned[hash][signerAddress] = true;\n }\n\n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external\n nonReentrant\n {\n address signerAddress = getCurrentContextAddress();\n allowedValidators[signerAddress][validatorAddress] = approval;\n emit SignatureValidatorApproval(\n signerAddress,\n validatorAddress,\n approval\n );\n }\n\n /// @dev Verifies that a hash has been signed by the given signer.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid)\n {\n require(\n signature.length > 0,\n \"LENGTH_GREATER_THAN_0_REQUIRED\"\n );\n\n // Pop last byte off of signature byte array.\n uint8 signatureTypeRaw = uint8(signature.popLastByte());\n\n // Ensure signature is supported\n require(\n signatureTypeRaw < uint8(SignatureType.NSignatureTypes),\n \"SIGNATURE_UNSUPPORTED\"\n );\n\n SignatureType signatureType = SignatureType(signatureTypeRaw);\n\n // Variables are not scoped in Solidity.\n uint8 v;\n bytes32 r;\n bytes32 s;\n address recovered;\n\n // Always illegal signature.\n // This is always an implicit option since a signer can create a\n // signature array with invalid type or length. We may as well make\n // it an explicit option. This aids testing and analysis. It is\n // also the initialization value for the enum type.\n if (signatureType == SignatureType.Illegal) {\n revert(\"SIGNATURE_ILLEGAL\");\n\n // Always invalid signature.\n // Like Illegal, this is always implicitly available and therefore\n // offered explicitly. It can be implicitly created by providing\n // a correctly formatted but incorrect signature.\n } else if (signatureType == SignatureType.Invalid) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = false;\n return isValid;\n\n // Signature using EIP712\n } else if (signatureType == SignatureType.EIP712) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n hash,\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signed using web3.eth_sign\n } else if (signatureType == SignatureType.EthSign) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n32\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signature verified by wallet contract.\n // If used with an order, the maker of the order is the wallet contract.\n } else if (signatureType == SignatureType.Wallet) {\n isValid = isValidWalletSignature(\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signature verified by validator contract.\n // If used with an order, the maker of the order can still be an EOA.\n // A signature using this type should be encoded as:\n // | Offset | Length | Contents |\n // | 0x00 | x | Signature to validate |\n // | 0x00 + x | 20 | Address of validator contract |\n // | 0x14 + x | 1 | Signature type is always \"\\x06\" |\n } else if (signatureType == SignatureType.Validator) {\n // Pop last 20 bytes off of signature byte array.\n address validatorAddress = signature.popLast20Bytes();\n \n // Ensure signer has approved validator.\n if (!allowedValidators[signerAddress][validatorAddress]) {\n return false;\n }\n isValid = isValidValidatorSignature(\n validatorAddress,\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signer signed hash previously using the preSign function.\n } else if (signatureType == SignatureType.PreSigned) {\n isValid = preSigned[hash][signerAddress];\n return isValid;\n }\n\n // Anything else is illegal (We do not return false because\n // the signature may actually be valid, just not in a format\n // that we currently support. In this case returning false\n // may lead the caller to incorrectly believe that the\n // signature was invalid.)\n revert(\"SIGNATURE_UNSUPPORTED\");\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if signature is valid for given wallet..\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IWallet(walletAddress).isValidSignature.selector,\n hash,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n walletAddress, // address of Wallet contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"WALLET_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000c57414c4c45545f4552524f5200000000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IValidator(signerAddress).isValidSignature.selector,\n hash,\n signerAddress,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n validatorAddress, // address of Validator contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"VALIDATOR_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f56414c494441544f525f4552524f5200000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n}\n", + "2.0.0/protocol/Exchange/MixinTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"./libs/LibExchangeErrors.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./libs/LibEIP712.sol\";\n\n\ncontract MixinTransactions is\n LibEIP712,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of transaction hash => executed\n // This prevents transactions from being executed more than once.\n mapping (bytes32 => bool) public transactions;\n\n // Address of current transaction signer\n address public currentContextAddress;\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external\n {\n // Prevent reentrancy\n require(\n currentContextAddress == address(0),\n \"REENTRANCY_ILLEGAL\"\n );\n\n bytes32 transactionHash = hashEIP712Message(hashZeroExTransaction(\n salt,\n signerAddress,\n data\n ));\n\n // Validate transaction has not been executed\n require(\n !transactions[transactionHash],\n \"INVALID_TX_HASH\"\n );\n\n // Transaction always valid if signer is sender of transaction\n if (signerAddress != msg.sender) {\n // Validate signature\n require(\n isValidSignature(\n transactionHash,\n signerAddress,\n signature\n ),\n \"INVALID_TX_SIGNATURE\"\n );\n\n // Set the current transaction signer\n currentContextAddress = signerAddress;\n }\n\n // Execute transaction\n transactions[transactionHash] = true;\n require(\n address(this).delegatecall(data),\n \"FAILED_EXECUTION\"\n );\n\n // Reset current transaction signer if it was previously updated\n if (signerAddress != msg.sender) {\n currentContextAddress = address(0);\n }\n }\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;\n bytes32 dataHash = keccak256(data);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,\n // salt,\n // bytes32(signerAddress),\n // keccak256(data)\n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, schemaHash) // hash of schema\n mstore(add(memPtr, 32), salt) // salt\n mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff)) // signerAddress\n mstore(add(memPtr, 96), dataHash) // hash of data\n\n // Compute hash\n result := keccak256(memPtr, 128)\n }\n return result;\n }\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address)\n {\n address currentContextAddress_ = currentContextAddress;\n address contextAddress = currentContextAddress_ == address(0) ? msg.sender : currentContextAddress_;\n return contextAddress;\n }\n}\n", + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibAbiEncoder.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MWrapperFunctions.sol\";\n\n\ncontract MixinWrapperFunctions is\n ReentrancyGuard,\n LibMath,\n LibFillResults,\n LibAbiEncoder,\n MExchangeCore,\n MWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrKillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n // Delegate to `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := delegatecall(\n gas, // forward all gas\n address, // call address of this contract\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrKillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n \n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public\n nonReentrant\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n cancelOrderInternal(orders[i]);\n }\n }\n\n /// @dev Fetches information for all passed in orders.\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n LibOrder.OrderInfo[] memory ordersInfo = new LibOrder.OrderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n ordersInfo[i] = getOrderInfo(orders[i]);\n }\n return ordersInfo;\n }\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n require(\n fillResults.takerAssetFilledAmount == takerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return fillResults;\n }\n}\n", + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssetProxyDispatcher {\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external;\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./IExchangeCore.sol\";\nimport \"./IMatchOrders.sol\";\nimport \"./ISignatureValidator.sol\";\nimport \"./ITransactions.sol\";\nimport \"./IAssetProxyDispatcher.sol\";\nimport \"./IWrapperFunctions.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract IExchange is\n IExchangeCore,\n IMatchOrders,\n ISignatureValidator,\n ITransactions,\n IAssetProxyDispatcher,\n IWrapperFunctions\n{}\n", + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IExchangeCore {\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external;\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrder(LibOrder.Order memory order)\n public;\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(LibOrder.Order memory order)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IMatchOrders {\n\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ISignatureValidator {\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external;\n \n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external;\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address of signer.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\n\ncontract ITransactions {\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external;\n}\n", + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IValidator {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IWallet {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IWrapperFunctions {\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public;\n\n /// @dev Fetches information for all passed in orders\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory);\n}\n", + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./LibOrder.sol\";\n\n\ncontract LibAbiEncoder {\n\n /// @dev ABI encodes calldata for `fillOrder`.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return ABI encoded calldata for `fillOrder`.\n function abiEncodeFillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n pure\n returns (bytes memory fillOrderCalldata)\n {\n // We need to call MExchangeCore.fillOrder using a delegatecall in\n // assembly so that we can intercept a call that throws. For this, we\n // need the input encoded in memory in the Ethereum ABIv2 format [1].\n\n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0x00 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 0x00 | | 1. offset to order (*) |\n // | | 0x20 | | 2. takerAssetFillAmount |\n // | | 0x40 | | 3. offset to signature (*) |\n // | Data | | 12 * 32 | order: |\n // | | 0x000 | | 1. senderAddress |\n // | | 0x020 | | 2. makerAddress |\n // | | 0x040 | | 3. takerAddress |\n // | | 0x060 | | 4. feeRecipientAddress |\n // | | 0x080 | | 5. makerAssetAmount |\n // | | 0x0A0 | | 6. takerAssetAmount |\n // | | 0x0C0 | | 7. makerFeeAmount |\n // | | 0x0E0 | | 8. takerFeeAmount |\n // | | 0x100 | | 9. expirationTimeSeconds |\n // | | 0x120 | | 10. salt |\n // | | 0x140 | | 11. Offset to makerAssetData (*) |\n // | | 0x160 | | 12. Offset to takerAssetData (*) |\n // | | 0x180 | 32 | makerAssetData Length |\n // | | 0x1A0 | ** | makerAssetData Contents |\n // | | 0x1C0 | 32 | takerAssetData Length |\n // | | 0x1E0 | ** | takerAssetData Contents |\n // | | 0x200 | 32 | signature Length |\n // | | 0x220 | ** | signature Contents |\n\n // * Offsets are calculated from the beginning of the current area: Header, Params, Data:\n // An offset stored in the Params area is calculated from the beginning of the Params section.\n // An offset stored in the Data area is calculated from the beginning of the Data section.\n\n // ** The length of dynamic array contents are stored in the field immediately preceeding the contents.\n\n // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html\n\n assembly {\n\n // Areas below may use the following variables:\n // 1. Start -- Start of this area in memory\n // 2. End -- End of this area in memory. This value may\n // be precomputed (before writing contents),\n // or it may be computed as contents are written.\n // 3. Offset -- Current offset into area. If an area's End\n // is precomputed, this variable tracks the\n // offsets of contents as they are written.\n\n /////// Setup Header Area ///////\n // Load free memory pointer\n fillOrderCalldata := mload(0x40)\n // bytes4(keccak256(\"fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)\"))\n // = 0xb4be83d5\n // Leave 0x20 bytes to store the length\n mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000)\n let headerAreaEnd := add(fillOrderCalldata, 0x24)\n\n /////// Setup Params Area ///////\n // This area is preallocated and written to later.\n // This is because we need to fill in offsets that have not yet been calculated.\n let paramsAreaStart := headerAreaEnd\n let paramsAreaEnd := add(paramsAreaStart, 0x60)\n let paramsAreaOffset := paramsAreaStart\n\n /////// Setup Data Area ///////\n let dataAreaStart := paramsAreaEnd\n let dataAreaEnd := dataAreaStart\n\n // Offset from the source data we're reading from\n let sourceOffset := order\n // arrayLenBytes and arrayLenWords track the length of a dynamically-allocated bytes array.\n let arrayLenBytes := 0\n let arrayLenWords := 0\n\n /////// Write order Struct ///////\n // Write memory location of Order, relative to the start of the\n // parameter list, then increment the paramsAreaOffset respectively.\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n // Write values for each field in the order\n // It would be nice to use a loop, but we save on gas by writing\n // the stores sequentially.\n mstore(dataAreaEnd, mload(sourceOffset)) // makerAddress\n mstore(add(dataAreaEnd, 0x20), mload(add(sourceOffset, 0x20))) // takerAddress\n mstore(add(dataAreaEnd, 0x40), mload(add(sourceOffset, 0x40))) // feeRecipientAddress\n mstore(add(dataAreaEnd, 0x60), mload(add(sourceOffset, 0x60))) // senderAddress\n mstore(add(dataAreaEnd, 0x80), mload(add(sourceOffset, 0x80))) // makerAssetAmount\n mstore(add(dataAreaEnd, 0xA0), mload(add(sourceOffset, 0xA0))) // takerAssetAmount\n mstore(add(dataAreaEnd, 0xC0), mload(add(sourceOffset, 0xC0))) // makerFeeAmount\n mstore(add(dataAreaEnd, 0xE0), mload(add(sourceOffset, 0xE0))) // takerFeeAmount\n mstore(add(dataAreaEnd, 0x100), mload(add(sourceOffset, 0x100))) // expirationTimeSeconds\n mstore(add(dataAreaEnd, 0x120), mload(add(sourceOffset, 0x120))) // salt\n mstore(add(dataAreaEnd, 0x140), mload(add(sourceOffset, 0x140))) // Offset to makerAssetData\n mstore(add(dataAreaEnd, 0x160), mload(add(sourceOffset, 0x160))) // Offset to takerAssetData\n dataAreaEnd := add(dataAreaEnd, 0x180)\n sourceOffset := add(sourceOffset, 0x180)\n\n // Write offset to \n mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x140)) // makerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Write offset to \n mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x160)) // takerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n /////// Write takerAssetFillAmount ///////\n mstore(paramsAreaOffset, takerAssetFillAmount)\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n /////// Write signature ///////\n // Write offset to paramsArea\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n\n // Calculate length of signature\n sourceOffset := signature\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of signature\n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of signature\n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Set length of calldata\n mstore(fillOrderCalldata, sub(dataAreaEnd, add(fillOrderCalldata, 0x20)))\n\n // Increment free memory pointer\n mstore(0x40, dataAreaEnd)\n }\n\n return fillOrderCalldata;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\n// solhint-disable max-line-length\ncontract LibConstants {\n \n // Asset data for ZRX token. Used for fee transfers.\n // @TODO: Hardcode constant when we deploy. Currently \n // not constant to make testing easier.\n\n // The proxyId for ZRX_ASSET_DATA is bytes4(keccak256(\"ERC20Token(address)\")) = 0xf47261b0\n \n // Kovan ZRX address is 0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570.\n // The ABI encoded proxyId and address is 0xf47261b00000000000000000000000006ff6c0ff1d68b964901f986d4c9fa3ac68346570\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x6f\\xf6\\xc0\\xff\\x1d\\x68\\xb9\\x64\\x90\\x1f\\x98\\x6d\\x4c\\x9f\\xa3\\xac\\x68\\x34\\x65\\x70\";\n \n // Mainnet ZRX address is 0xe41d2489571d322189246dafa5ebde1f4699f498.\n // The ABI encoded proxyId and address is 0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\n bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xe4\\x1d\\x24\\x89\\x57\\x1d\\x32\\x21\\x89\\x24\\x6d\\xaf\\xa5\\xeb\\xde\\x1f\\x46\\x99\\xf4\\x98\";\n}\n// solhint-enable max-line-length\n", + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract LibEIP712 {\n\n // EIP191 header for EIP712 prefix\n string constant internal EIP191_HEADER = \"\\x19\\x01\";\n\n // EIP712 Domain Name value\n string constant internal EIP712_DOMAIN_NAME = \"0x Protocol\";\n\n // EIP712 Domain Version value\n string constant internal EIP712_DOMAIN_VERSION = \"2\";\n\n // Hash of the EIP712 Domain Separator Schema\n bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"EIP712Domain(\",\n \"string name,\",\n \"string version,\",\n \"address verifyingContract\",\n \")\"\n ));\n\n // Hash of the EIP712 Domain Separator data\n // solhint-disable-next-line var-name-mixedcase\n bytes32 public EIP712_DOMAIN_HASH;\n\n constructor ()\n public\n {\n EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(\n EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,\n keccak256(bytes(EIP712_DOMAIN_NAME)),\n keccak256(bytes(EIP712_DOMAIN_VERSION)),\n bytes32(address(this))\n ));\n }\n\n /// @dev Calculates EIP712 encoding for a hash struct in this EIP712 Domain.\n /// @param hashStruct The EIP712 hash struct.\n /// @return EIP712 hash applied to this EIP712 Domain.\n function hashEIP712Message(bytes32 hashStruct)\n internal\n view\n returns (bytes32 result)\n {\n bytes32 eip712DomainHash = EIP712_DOMAIN_HASH;\n\n // Assembly for more efficient computing:\n // keccak256(abi.encodePacked(\n // EIP191_HEADER,\n // EIP712_DOMAIN_HASH,\n // hashStruct \n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, 0x1901000000000000000000000000000000000000000000000000000000000000) // EIP191 header\n mstore(add(memPtr, 2), eip712DomainHash) // EIP712 domain hash\n mstore(add(memPtr, 34), hashStruct) // Hash of struct\n\n // Compute hash\n result := keccak256(memPtr, 66)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity 0.4.24;\n\n\n/// @dev This contract documents the revert reasons used in the Exchange contract.\n/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons.\ncontract LibExchangeErrors {\n\n /// Order validation errors ///\n string constant ORDER_UNFILLABLE = \"ORDER_UNFILLABLE\"; // Order cannot be filled.\n string constant INVALID_MAKER = \"INVALID_MAKER\"; // Invalid makerAddress.\n string constant INVALID_TAKER = \"INVALID_TAKER\"; // Invalid takerAddress.\n string constant INVALID_SENDER = \"INVALID_SENDER\"; // Invalid `msg.sender`.\n string constant INVALID_ORDER_SIGNATURE = \"INVALID_ORDER_SIGNATURE\"; // Signature validation failed. \n \n /// fillOrder validation errors ///\n string constant INVALID_TAKER_AMOUNT = \"INVALID_TAKER_AMOUNT\"; // takerAssetFillAmount cannot equal 0.\n string constant ROUNDING_ERROR = \"ROUNDING_ERROR\"; // Rounding error greater than 0.1% of takerAssetFillAmount. \n \n /// Signature validation errors ///\n string constant INVALID_SIGNATURE = \"INVALID_SIGNATURE\"; // Signature validation failed. \n string constant SIGNATURE_ILLEGAL = \"SIGNATURE_ILLEGAL\"; // Signature type is illegal.\n string constant SIGNATURE_UNSUPPORTED = \"SIGNATURE_UNSUPPORTED\"; // Signature type unsupported.\n \n /// cancelOrdersUptTo errors ///\n string constant INVALID_NEW_ORDER_EPOCH = \"INVALID_NEW_ORDER_EPOCH\"; // Specified salt must be greater than or equal to existing orderEpoch.\n\n /// fillOrKillOrder errors ///\n string constant COMPLETE_FILL_FAILED = \"COMPLETE_FILL_FAILED\"; // Desired takerAssetFillAmount could not be completely filled. \n\n /// matchOrders errors ///\n string constant NEGATIVE_SPREAD_REQUIRED = \"NEGATIVE_SPREAD_REQUIRED\"; // Matched orders must have a negative spread.\n\n /// Transaction errors ///\n string constant REENTRANCY_ILLEGAL = \"REENTRANCY_ILLEGAL\"; // Recursive reentrancy is not allowed. \n string constant INVALID_TX_HASH = \"INVALID_TX_HASH\"; // Transaction has already been executed. \n string constant INVALID_TX_SIGNATURE = \"INVALID_TX_SIGNATURE\"; // Signature validation failed. \n string constant FAILED_EXECUTION = \"FAILED_EXECUTION\"; // Transaction execution failed. \n \n /// registerAssetProxy errors ///\n string constant ASSET_PROXY_ALREADY_EXISTS = \"ASSET_PROXY_ALREADY_EXISTS\"; // AssetProxy with same id already exists.\n\n /// dispatchTransferFrom errors ///\n string constant ASSET_PROXY_DOES_NOT_EXIST = \"ASSET_PROXY_DOES_NOT_EXIST\"; // No assetProxy registered at given id.\n string constant TRANSFER_FAILED = \"TRANSFER_FAILED\"; // Asset transfer unsuccesful.\n\n /// Length validation errors ///\n string constant LENGTH_GREATER_THAN_0_REQUIRED = \"LENGTH_GREATER_THAN_0_REQUIRED\"; // Byte array must have a length greater than 0.\n string constant LENGTH_GREATER_THAN_3_REQUIRED = \"LENGTH_GREATER_THAN_3_REQUIRED\"; // Byte array must have a length greater than 3.\n string constant LENGTH_0_REQUIRED = \"LENGTH_0_REQUIRED\"; // Byte array must have a length of 0.\n string constant LENGTH_65_REQUIRED = \"LENGTH_65_REQUIRED\"; // Byte array must have a length of 65.\n}\n", + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibFillResults is\n SafeMath\n{\n struct FillResults {\n uint256 makerAssetFilledAmount; // Total amount of makerAsset(s) filled.\n uint256 takerAssetFilledAmount; // Total amount of takerAsset(s) filled.\n uint256 makerFeePaid; // Total amount of ZRX paid by maker(s) to feeRecipient(s).\n uint256 takerFeePaid; // Total amount of ZRX paid by taker to feeRecipients(s).\n }\n\n struct MatchedFillResults {\n FillResults left; // Amounts filled and fees paid of left order.\n FillResults right; // Amounts filled and fees paid of right order.\n uint256 leftMakerAssetSpreadAmount; // Spread between price of left and right order, denominated in the left order's makerAsset, paid to taker.\n }\n\n /// @dev Adds properties of both FillResults instances.\n /// Modifies the first FillResults instance specified.\n /// @param totalFillResults Fill results instance that will be added onto.\n /// @param singleFillResults Fill results instance that will be added to totalFillResults.\n function addFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)\n internal\n pure\n {\n totalFillResults.makerAssetFilledAmount = safeAdd(totalFillResults.makerAssetFilledAmount, singleFillResults.makerAssetFilledAmount);\n totalFillResults.takerAssetFilledAmount = safeAdd(totalFillResults.takerAssetFilledAmount, singleFillResults.takerAssetFilledAmount);\n totalFillResults.makerFeePaid = safeAdd(totalFillResults.makerFeePaid, singleFillResults.makerFeePaid);\n totalFillResults.takerFeePaid = safeAdd(totalFillResults.takerFeePaid, singleFillResults.takerFeePaid);\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibMath.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibMath is\n SafeMath\n{\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function safeGetPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorFloor(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function safeGetPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorCeil(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function getPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function getPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // The absolute rounding error is the difference between the rounded\n // value and the ideal value. The relative rounding error is the\n // absolute rounding error divided by the absolute value of the\n // ideal value. This is undefined when the ideal value is zero.\n //\n // The ideal value is `numerator * target / denominator`.\n // Let's call `numerator * target % denominator` the remainder.\n // The absolute error is `remainder / denominator`.\n //\n // When the ideal value is zero, we require the absolute error to\n // be zero. Fortunately, this is always the case. The ideal value is\n // zero iff `numerator == 0` and/or `target == 0`. In this case the\n // remainder and absolute error are also zero. \n if (target == 0 || numerator == 0) {\n return false;\n }\n \n // Otherwise, we want the relative rounding error to be strictly\n // less than 0.1%.\n // The relative error is `remainder / (numerator * target)`.\n // We want the relative error less than 1 / 1000:\n // remainder / (numerator * denominator) < 1 / 1000\n // or equivalently:\n // 1000 * remainder < numerator * target\n // so we have a rounding error iff:\n // 1000 * remainder >= numerator * target\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding up.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // See the comments in `isRoundingError`.\n if (target == 0 || numerator == 0) {\n // When either is zero, the ideal value and rounded value are zero\n // and there is no rounding error. (Although the relative error\n // is undefined.)\n return false;\n }\n // Compute remainder as before\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n remainder = safeSub(denominator, remainder) % denominator;\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibOrder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./LibEIP712.sol\";\n\n\ncontract LibOrder is\n LibEIP712\n{\n // Hash for the EIP712 Order Schema\n bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"Order(\",\n \"address makerAddress,\",\n \"address takerAddress,\",\n \"address feeRecipientAddress,\",\n \"address senderAddress,\",\n \"uint256 makerAssetAmount,\",\n \"uint256 takerAssetAmount,\",\n \"uint256 makerFee,\",\n \"uint256 takerFee,\",\n \"uint256 expirationTimeSeconds,\",\n \"uint256 salt,\",\n \"bytes makerAssetData,\",\n \"bytes takerAssetData\",\n \")\"\n ));\n\n // A valid order remains fillable until it is expired, fully filled, or cancelled.\n // An order's state is unaffected by external factors, like account balances.\n enum OrderStatus {\n INVALID, // Default value\n INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount\n INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount\n FILLABLE, // Order is fillable\n EXPIRED, // Order has already expired\n FULLY_FILLED, // Order is fully filled\n CANCELLED // Order has been cancelled\n }\n\n // solhint-disable max-line-length\n struct Order {\n address makerAddress; // Address that created the order. \n address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order. \n address feeRecipientAddress; // Address that will recieve fees when order is filled. \n address senderAddress; // Address that is allowed to call Exchange contract methods that affect this order. If set to 0, any address is allowed to call these methods.\n uint256 makerAssetAmount; // Amount of makerAsset being offered by maker. Must be greater than 0. \n uint256 takerAssetAmount; // Amount of takerAsset being bid on by maker. Must be greater than 0. \n uint256 makerFee; // Amount of ZRX paid to feeRecipient by maker when order is filled. If set to 0, no transfer of ZRX from maker to feeRecipient will be attempted.\n uint256 takerFee; // Amount of ZRX paid to feeRecipient by taker when order is filled. If set to 0, no transfer of ZRX from taker to feeRecipient will be attempted.\n uint256 expirationTimeSeconds; // Timestamp in seconds at which order expires. \n uint256 salt; // Arbitrary number to facilitate uniqueness of the order's hash. \n bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.\n bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.\n }\n // solhint-enable max-line-length\n\n struct OrderInfo {\n uint8 orderStatus; // Status that describes order's validity and fillability.\n bytes32 orderHash; // EIP712 hash of the order (see LibOrder.getOrderHash).\n uint256 orderTakerAssetFilledAmount; // Amount of order that has already been filled.\n }\n\n /// @dev Calculates Keccak-256 hash of the order.\n /// @param order The order structure.\n /// @return Keccak-256 EIP712 hash of the order.\n function getOrderHash(Order memory order)\n internal\n view\n returns (bytes32 orderHash)\n {\n orderHash = hashEIP712Message(hashOrder(order));\n return orderHash;\n }\n\n /// @dev Calculates EIP712 hash of the order.\n /// @param order The order structure.\n /// @return EIP712 hash of the order.\n function hashOrder(Order memory order)\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ORDER_SCHEMA_HASH;\n bytes32 makerAssetDataHash = keccak256(order.makerAssetData);\n bytes32 takerAssetDataHash = keccak256(order.takerAssetData);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ORDER_SCHEMA_HASH,\n // bytes32(order.makerAddress),\n // bytes32(order.takerAddress),\n // bytes32(order.feeRecipientAddress),\n // bytes32(order.senderAddress),\n // order.makerAssetAmount,\n // order.takerAssetAmount,\n // order.makerFee,\n // order.takerFee,\n // order.expirationTimeSeconds,\n // order.salt,\n // keccak256(order.makerAssetData),\n // keccak256(order.takerAssetData)\n // ));\n\n assembly {\n // Calculate memory addresses that will be swapped out before hashing\n let pos1 := sub(order, 32)\n let pos2 := add(order, 320)\n let pos3 := add(order, 352)\n\n // Backup\n let temp1 := mload(pos1)\n let temp2 := mload(pos2)\n let temp3 := mload(pos3)\n \n // Hash in place\n mstore(pos1, schemaHash)\n mstore(pos2, makerAssetDataHash)\n mstore(pos3, takerAssetDataHash)\n result := keccak256(pos1, 416)\n \n // Restore\n mstore(pos1, temp1)\n mstore(pos2, temp2)\n mstore(pos3, temp3)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssetProxyDispatcher.sol\";\n\n\ncontract MAssetProxyDispatcher is\n IAssetProxyDispatcher\n{\n // Logs registration of new asset proxy\n event AssetProxyRegistered(\n bytes4 id, // Id of new registered AssetProxy.\n address assetProxy // Address of new registered AssetProxy.\n );\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IExchangeCore.sol\";\n\n\ncontract MExchangeCore is\n IExchangeCore\n{\n // Fill event is emitted whenever an order is filled.\n event Fill(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that received fees.\n address takerAddress, // Address that filled the order.\n address senderAddress, // Address that called the Exchange contract (msg.sender).\n uint256 makerAssetFilledAmount, // Amount of makerAsset sold by maker and bought by taker. \n uint256 takerAssetFilledAmount, // Amount of takerAsset sold by taker and bought by maker.\n uint256 makerFeePaid, // Amount of ZRX paid to feeRecipient by maker.\n uint256 takerFeePaid, // Amount of ZRX paid to feeRecipient by taker.\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // Cancel event is emitted whenever an individual order is cancelled.\n event Cancel(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that would have recieved fees if order was filled. \n address senderAddress, // Address that called the Exchange contract (msg.sender).\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // CancelUpTo event is emitted whenever `cancelOrdersUpTo` is executed succesfully.\n event CancelUpTo(\n address indexed makerAddress, // Orders cancelled must have been created by this address.\n address indexed senderAddress, // Orders cancelled must have a `senderAddress` equal to this address.\n uint256 orderEpoch // Orders with specified makerAddress and senderAddress with a salt less than this value are considered cancelled.\n );\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrderInternal(LibOrder.Order memory order)\n internal;\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function updateFilledState(\n LibOrder.Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n LibFillResults.FillResults memory fillResults\n )\n internal;\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n LibOrder.Order memory order,\n bytes32 orderHash\n )\n internal;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo Status, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view;\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo\n )\n internal\n view;\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n LibOrder.Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.FillResults memory fillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IMatchOrders.sol\";\n\n\ncontract MMatchOrders is\n IMatchOrders\n{\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure;\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/ISignatureValidator.sol\";\n\n\ncontract MSignatureValidator is\n ISignatureValidator\n{\n event SignatureValidatorApproval(\n address indexed signerAddress, // Address that approves or disapproves a contract to verify signatures.\n address indexed validatorAddress, // Address of signature validator contract.\n bool approved // Approval or disapproval of validator contract.\n );\n\n // Allowed signature types.\n enum SignatureType {\n Illegal, // 0x00, default value\n Invalid, // 0x01\n EIP712, // 0x02\n EthSign, // 0x03\n Wallet, // 0x04\n Validator, // 0x05\n PreSigned, // 0x06\n NSignatureTypes // 0x07, number of signature types. Always leave at end.\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"../interfaces/ITransactions.sol\";\n\n\ncontract MTransactions is\n ITransactions\n{\n // Hash for the EIP712 ZeroEx Transaction Schema\n bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"ZeroExTransaction(\",\n \"uint256 salt,\",\n \"address signerAddress,\",\n \"bytes data\",\n \")\"\n ));\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result);\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address);\n}\n", + "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IWrapperFunctions.sol\";\n\n\ncontract MWrapperFunctions is \n IWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n}\n", + "2.0.0/tokens/ERC20Token/IERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n \n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n \n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", + "2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Token {\n\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(\n address indexed _owner,\n address indexed _approved,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(\n address indexed _owner,\n address indexed _operator,\n bool _approved\n );\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// perator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external;\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public;\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address);\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) \n public\n view\n returns (address);\n \n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool);\n}\n", + "2.0.0/tokens/EtherToken/IEtherToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/IERC20Token.sol\";\n\n\ncontract IEtherToken is\n IERC20Token\n{\n function deposit()\n public\n payable;\n \n function withdraw(uint256 amount)\n public;\n}\n", + "2.0.0/utils/LibBytes/LibBytes.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\nlibrary LibBytes {\n\n using LibBytes for bytes;\n\n /// @dev Gets the memory address for a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of byte array. This\n /// points to the header of the byte array which contains\n /// the length.\n function rawAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := input\n }\n return memoryAddress;\n }\n \n /// @dev Gets the memory address for the contents of a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of the contents of the byte array.\n function contentAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := add(input, 32)\n }\n return memoryAddress;\n }\n\n /// @dev Copies `length` bytes from memory location `source` to `dest`.\n /// @param dest memory address to copy bytes to.\n /// @param source memory address to copy bytes from.\n /// @param length number of bytes to copy.\n function memCopy(\n uint256 dest,\n uint256 source,\n uint256 length\n )\n internal\n pure\n {\n if (length < 32) {\n // Handle a partial word by reading destination and masking\n // off the bits we are interested in.\n // This correctly handles overlap, zero lengths and source == dest\n assembly {\n let mask := sub(exp(256, sub(32, length)), 1)\n let s := and(mload(source), not(mask))\n let d := and(mload(dest), mask)\n mstore(dest, or(s, d))\n }\n } else {\n // Skip the O(length) loop when source == dest.\n if (source == dest) {\n return;\n }\n\n // For large copies we copy whole words at a time. The final\n // word is aligned to the end of the range (instead of after the\n // previous) to handle partial words. So a copy will look like this:\n //\n // ####\n // ####\n // ####\n // ####\n //\n // We handle overlap in the source and destination range by\n // changing the copying direction. This prevents us from\n // overwriting parts of source that we still need to copy.\n //\n // This correctly handles source == dest\n //\n if (source > dest) {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because it\n // is easier to compare with in the loop, and these\n // are also the addresses we need for copying the\n // last bytes.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the last 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the last bytes in\n // source already due to overlap.\n let last := mload(sEnd)\n\n // Copy whole words front to back\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} lt(source, sEnd) {} {\n mstore(dest, mload(source))\n source := add(source, 32)\n dest := add(dest, 32)\n }\n \n // Write the last 32 bytes\n mstore(dEnd, last)\n }\n } else {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because those\n // are the starting points when copying a word at the end.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the first 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the first bytes in\n // source already due to overlap.\n let first := mload(source)\n\n // Copy whole words back to front\n // We use a signed comparisson here to allow dEnd to become\n // negative (happens when source and dest < 32). Valid\n // addresses in local memory will never be larger than\n // 2**255, so they can be safely re-interpreted as signed.\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} slt(dest, dEnd) {} {\n mstore(dEnd, mload(sEnd))\n sEnd := sub(sEnd, 32)\n dEnd := sub(dEnd, 32)\n }\n \n // Write the first 32 bytes\n mstore(dest, first)\n }\n }\n }\n }\n\n /// @dev Returns a slices from a byte array.\n /// @param b The byte array to take a slice from.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n function slice(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure and copy contents\n result = new bytes(to - from);\n memCopy(\n result.contentAddress(),\n b.contentAddress() + from,\n result.length\n );\n return result;\n }\n \n /// @dev Returns a slice from a byte array without preserving the input.\n /// @param b The byte array to take a slice from. Will be destroyed in the process.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n /// @dev When `from == 0`, the original array will match the slice. In other cases its state will be corrupted.\n function sliceDestructive(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure around [from, to) in-place.\n assembly {\n result := add(b, from)\n mstore(result, sub(to, from))\n }\n return result;\n }\n\n /// @dev Pops the last byte off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The byte that was popped off.\n function popLastByte(bytes memory b)\n internal\n pure\n returns (bytes1 result)\n {\n require(\n b.length > 0,\n \"GREATER_THAN_ZERO_LENGTH_REQUIRED\"\n );\n\n // Store last byte.\n result = b[b.length - 1];\n\n assembly {\n // Decrement length of byte array.\n let newLen := sub(mload(b), 1)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Pops the last 20 bytes off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The 20 byte address that was popped off.\n function popLast20Bytes(bytes memory b)\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= 20,\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Store last 20 bytes.\n result = readAddress(b, b.length - 20);\n\n assembly {\n // Subtract 20 from byte array length.\n let newLen := sub(mload(b), 20)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Tests equality of two byte arrays.\n /// @param lhs First byte array to compare.\n /// @param rhs Second byte array to compare.\n /// @return True if arrays are the same. False otherwise.\n function equals(\n bytes memory lhs,\n bytes memory rhs\n )\n internal\n pure\n returns (bool equal)\n {\n // Keccak gas cost is 30 + numWords * 6. This is a cheap way to compare.\n // We early exit on unequal lengths, but keccak would also correctly\n // handle this.\n return lhs.length == rhs.length && keccak256(lhs) == keccak256(rhs);\n }\n\n /// @dev Reads an address from a position in a byte array.\n /// @param b Byte array containing an address.\n /// @param index Index in byte array of address.\n /// @return address from byte array.\n function readAddress(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Read address from array memory\n assembly {\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 20-byte mask to obtain address\n result := and(mload(add(b, index)), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n return result;\n }\n\n /// @dev Writes an address into a specific position in a byte array.\n /// @param b Byte array to insert address into.\n /// @param index Index in byte array of address.\n /// @param input Address to put into byte array.\n function writeAddress(\n bytes memory b,\n uint256 index,\n address input\n )\n internal\n pure\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Store address into array memory\n assembly {\n // The address occupies 20 bytes and mstore stores 32 bytes.\n // First fetch the 32-byte word where we'll be storing the address, then\n // apply a mask so we have only the bytes in the word that the address will not occupy.\n // Then combine these bytes with the address and store the 32 bytes back to memory with mstore.\n\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 12-byte mask to obtain extra bytes occupying word of memory where we'll store the address\n let neighbors := and(\n mload(add(b, index)),\n 0xffffffffffffffffffffffff0000000000000000000000000000000000000000\n )\n \n // Make sure input address is clean.\n // (Solidity does not guarantee this)\n input := and(input, 0xffffffffffffffffffffffffffffffffffffffff)\n\n // Store the neighbors and address into memory\n mstore(add(b, index), xor(input, neighbors))\n }\n }\n\n /// @dev Reads a bytes32 value from a position in a byte array.\n /// @param b Byte array containing a bytes32 value.\n /// @param index Index in byte array of bytes32 value.\n /// @return bytes32 value from byte array.\n function readBytes32(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes32 result)\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n result := mload(add(b, index))\n }\n return result;\n }\n\n /// @dev Writes a bytes32 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes32 to put into byte array.\n function writeBytes32(\n bytes memory b,\n uint256 index,\n bytes32 input\n )\n internal\n pure\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n mstore(add(b, index), input)\n }\n }\n\n /// @dev Reads a uint256 value from a position in a byte array.\n /// @param b Byte array containing a uint256 value.\n /// @param index Index in byte array of uint256 value.\n /// @return uint256 value from byte array.\n function readUint256(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (uint256 result)\n {\n result = uint256(readBytes32(b, index));\n return result;\n }\n\n /// @dev Writes a uint256 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input uint256 to put into byte array.\n function writeUint256(\n bytes memory b,\n uint256 index,\n uint256 input\n )\n internal\n pure\n {\n writeBytes32(b, index, bytes32(input));\n }\n\n /// @dev Reads an unpadded bytes4 value from a position in a byte array.\n /// @param b Byte array containing a bytes4 value.\n /// @param index Index in byte array of bytes4 value.\n /// @return bytes4 value from byte array.\n function readBytes4(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes4 result)\n {\n require(\n b.length >= index + 4,\n \"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 32 byte length field\n index += 32;\n\n // Read the bytes4 from array memory\n assembly {\n result := mload(add(b, index))\n // Solidity does not require us to clean the trailing bytes.\n // We do it anyway\n result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)\n }\n return result;\n }\n\n /// @dev Reads nested bytes from a specific position.\n /// @dev NOTE: the returned value overlaps with the input value.\n /// Both should be treated as immutable.\n /// @param b Byte array containing nested bytes.\n /// @param index Index of nested bytes.\n /// @return result Nested bytes.\n function readBytesWithLength(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes memory result)\n {\n // Read length of nested bytes\n uint256 nestedBytesLength = readUint256(b, index);\n index += 32;\n\n // Assert length of is valid, given\n // length of nested bytes\n require(\n b.length >= index + nestedBytesLength,\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n \n // Return a pointer to the byte array as it exists inside `b`\n assembly {\n result := add(b, index)\n }\n return result;\n }\n\n /// @dev Inserts bytes at a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes to insert.\n function writeBytesWithLength(\n bytes memory b,\n uint256 index,\n bytes memory input\n )\n internal\n pure\n {\n // Assert length of is valid, given\n // length of input\n require(\n b.length >= index + 32 + input.length, // 32 bytes to store length\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n\n // Copy into \n memCopy(\n b.contentAddress() + index,\n input.rawAddress(), // includes length of \n input.length + 32 // +32 bytes to store length\n );\n }\n\n /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length.\n /// @param dest Byte array that will be overwritten with source bytes.\n /// @param source Byte array to copy onto dest bytes.\n function deepCopyBytes(\n bytes memory dest,\n bytes memory source\n )\n internal\n pure\n {\n uint256 sourceLen = source.length;\n // Dest length must be >= source length, or some bytes would not be copied.\n require(\n dest.length >= sourceLen,\n \"GREATER_OR_EQUAL_TO_SOURCE_BYTES_LENGTH_REQUIRED\"\n );\n memCopy(\n dest.contentAddress(),\n source.contentAddress(),\n sourceLen\n );\n }\n}\n", + "2.0.0/utils/Ownable/IOwnable.sol": "pragma solidity 0.4.24;\n\n\ncontract IOwnable {\n\n function transferOwnership(address newOwner)\n public;\n}\n", + "2.0.0/utils/Ownable/Ownable.sol": "pragma solidity 0.4.24;\n\nimport \"./IOwnable.sol\";\n\n\ncontract Ownable is\n IOwnable\n{\n address public owner;\n\n constructor ()\n public\n {\n owner = msg.sender;\n }\n\n modifier onlyOwner() {\n require(\n msg.sender == owner,\n \"ONLY_CONTRACT_OWNER\"\n );\n _;\n }\n\n function transferOwnership(address newOwner)\n public\n onlyOwner\n {\n if (newOwner != address(0)) {\n owner = newOwner;\n }\n }\n}\n", + "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ReentrancyGuard {\n\n // Locked state of mutex\n bool private locked = false;\n\n /// @dev Functions with this modifer cannot be reentered. The mutex will be locked\n /// before function execution and unlocked after.\n modifier nonReentrant() {\n // Ensure mutex is unlocked\n require(\n !locked,\n \"REENTRANCY_ILLEGAL\"\n );\n\n // Lock mutex before function call\n locked = true;\n\n // Perform function call\n _;\n\n // Unlock mutex after function call\n locked = false;\n }\n}\n", + "2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n\n function safeMul(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(\n c / a == b,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function safeDiv(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a / b;\n return c;\n }\n\n function safeSub(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n require(\n b <= a,\n \"UINT256_UNDERFLOW\"\n );\n return a - b;\n }\n\n function safeAdd(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a + b;\n require(\n c >= a,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function max64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n\n function max256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n}\n" + }, + "sourceTreeHashHex": "0xc1a03719bb35a579c3db5156280faf7fea3944100a90a5b2abe1840a4bcfea20", + "compiler": { + "name": "solc", + "version": "soljson-v0.4.24+commit.e67f0147.js", + "settings": { + "optimizer": { + "enabled": true, + "runs": 1000000 + }, + "outputSelection": { + "*": { + "*": [ + "abi", + "evm.bytecode.object", + "evm.bytecode.sourceMap", + "evm.deployedBytecode.object", + "evm.deployedBytecode.sourceMap" + ] + } + } + } + }, + "networks": { + "1": { + "address": "0x17992e4ffb22730138e4b62aaa6367fa9d3699a6", + "links": {}, + "constructorArgs": "[[\"0x257619b7155d247e43c8b6d90c8c17278ae481f0\",\"0x5ee2a00f8f01d099451844af7f894f26a57fcbf2\",\"0x894d623e0e0e8ed12c4a73dada999e275684a37d\"],[\"0x2240dab907db71e64d3e0dba4800c83b5c502d4e\",\"0x208e41fb445f1bb1b6780d58356e81405f3e6127\"],\"2\",\"1209600\"]" + }, + "3": { + "address": "0xf5fa5b5fed2727a0e44ac67f6772e97977aa358b", + "links": {}, + "constructorArgs": "[[\"0x9df8137872ac09a8fee71d0da5c7539923fb9bf0\",\"0xcf34d44db312d188789f43a63d11cf2bebb4da15\",\"0x73fd50f2a6beac9cdac9fe87ef68a18edc415831\"],[\"0xb1408f4c245a23c31b98d2c626777d4c0d766caa\",\"0xe654aac058bfbf9f83fcaee7793311dd82f6ddb4\"],\"1\",\"0\"]" + }, + "42": { + "address": "0x2c824d2882baa668e0d5202b1e7f2922278703f8", + "links": {}, + "constructorArgs": "[[\"0x9df8137872ac09a8fee71d0da5c7539923fb9bf0\",\"0xcf34d44db312d188789f43a63d11cf2bebb4da15\",\"0x73fd50f2a6beac9cdac9fe87ef68a18edc415831\"],[\"0xf1ec01d6236d3cd881a0bf0130ea25fe4234003e\",\"0x2a9127c745688a165106c11cd4d647d2220af821\"],\"1\",\"0\"]" + }, + "50": { + "address": "0x34d402f14d58e001d8efbe6585051bf9706aa064", + "links": {}, + "constructorArgs": "[[\"0x9df8137872ac09a8fee71d0da5c7539923fb9bf0\",\"0xcf34d44db312d188789f43a63d11cf2bebb4da15\",\"0x73fd50f2a6beac9cdac9fe87ef68a18edc415831\"],[\"0x1dc4c1cefef38a777b15aa20260a54e584b16c48\",\"0x1d7022f5b17d2f8b695918fb48fa1089c9f85401\"],\"1\",\"0\"]" + } + } +} diff --git a/packages/migrations/artifacts/2.0.0/DummyERC20Token.json b/packages/migrations/artifacts/2.0.0/DummyERC20Token.json new file mode 100644 index 000000000..e0c5eb5dd --- /dev/null +++ b/packages/migrations/artifacts/2.0.0/DummyERC20Token.json @@ -0,0 +1,641 @@ +{ + "schemaVersion": "2.0.0", + "contractName": "DummyERC20Token", + "compilerOutput": { + "abi": [ + { + "constant": true, + "inputs": [], + "name": "name", + "outputs": [ + { + "name": "", + "type": "string" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_spender", + "type": "address" + }, + { + "name": "_value", + "type": "uint256" + } + ], + "name": "approve", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "totalSupply", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_from", + "type": "address" + }, + { + "name": "_to", + "type": "address" + }, + { + "name": "_value", + "type": "uint256" + } + ], + "name": "transferFrom", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "decimals", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "_owner", + "type": "address" + } + ], + "name": "balanceOf", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "owner", + "outputs": [ + { + "name": "", + "type": "address" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "symbol", + "outputs": [ + { + "name": "", + "type": "string" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_value", + "type": "uint256" + } + ], + "name": "mint", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_to", + "type": "address" + }, + { + "name": "_value", + "type": "uint256" + } + ], + "name": "transfer", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "_owner", + "type": "address" + }, + { + "name": "_spender", + "type": "address" + } + ], + "name": "allowance", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_target", + "type": "address" + }, + { + "name": "_value", + "type": "uint256" + } + ], + "name": "setBalance", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "newOwner", + "type": "address" + } + ], + "name": "transferOwnership", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "MAX_MINT_AMOUNT", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "inputs": [ + { + "name": "_name", + "type": "string" + }, + { + "name": "_symbol", + "type": "string" + }, + { + "name": "_decimals", + "type": "uint256" + }, + { + "name": "_totalSupply", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "constructor" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "_from", + "type": "address" + }, + { + "indexed": true, + "name": "_to", + "type": "address" + }, + { + "indexed": false, + "name": "_value", + "type": "uint256" + } + ], + "name": "Transfer", + "type": "event" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "_owner", + "type": "address" + }, + { + "indexed": true, + "name": "_spender", + "type": "address" + }, + { + "indexed": false, + "name": "_value", + "type": "uint256" + } + ], + "name": "Approval", + "type": "event" + } + ], + "evm": { + "bytecode": { + "linkReferences": {}, + "object": 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+ "opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE CALLVALUE DUP1 ISZERO PUSH2 0x10 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x40 MLOAD PUSH3 0xFA4 CODESIZE SUB DUP1 PUSH3 0xFA4 DUP4 CODECOPY DUP2 ADD PUSH1 0x40 SWAP1 DUP2 MSTORE DUP2 MLOAD PUSH1 0x20 DUP1 DUP5 ADD MLOAD SWAP3 DUP5 ADD MLOAD PUSH1 0x60 DUP6 ADD MLOAD PUSH1 0x0 DUP1 SLOAD PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB NOT AND CALLER OR SWAP1 SSTORE SWAP3 DUP6 ADD DUP1 MLOAD SWAP1 SWAP6 SWAP5 SWAP1 SWAP5 ADD SWAP4 SWAP1 SWAP3 SWAP2 PUSH2 0x69 SWAP2 PUSH1 0x4 SWAP2 DUP8 ADD SWAP1 PUSH2 0x9C JUMP JUMPDEST POP DUP3 MLOAD PUSH2 0x7D SWAP1 PUSH1 0x5 SWAP1 PUSH1 0x20 DUP7 ADD SWAP1 PUSH2 0x9C JUMP JUMPDEST POP PUSH1 0x6 SWAP2 SWAP1 SWAP2 SSTORE CALLER PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SSTORE POP PUSH2 0x137 SWAP1 POP JUMP JUMPDEST DUP3 DUP1 SLOAD PUSH1 0x1 DUP2 PUSH1 0x1 AND ISZERO PUSH2 0x100 MUL SUB AND PUSH1 0x2 SWAP1 DIV SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 PUSH1 0x1F ADD PUSH1 0x20 SWAP1 DIV DUP2 ADD SWAP3 DUP3 PUSH1 0x1F LT PUSH2 0xDD JUMPI DUP1 MLOAD PUSH1 0xFF NOT AND DUP4 DUP1 ADD OR DUP6 SSTORE PUSH2 0x10A JUMP JUMPDEST DUP3 DUP1 ADD PUSH1 0x1 ADD DUP6 SSTORE DUP3 ISZERO PUSH2 0x10A JUMPI SWAP2 DUP3 ADD JUMPDEST DUP3 DUP2 GT ISZERO PUSH2 0x10A JUMPI DUP3 MLOAD DUP3 SSTORE SWAP2 PUSH1 0x20 ADD SWAP2 SWAP1 PUSH1 0x1 ADD SWAP1 PUSH2 0xEF JUMP JUMPDEST POP PUSH2 0x116 SWAP3 SWAP2 POP PUSH2 0x11A JUMP JUMPDEST POP SWAP1 JUMP JUMPDEST PUSH2 0x134 SWAP2 SWAP1 JUMPDEST DUP1 DUP3 GT ISZERO PUSH2 0x116 JUMPI PUSH1 0x0 DUP2 SSTORE PUSH1 0x1 ADD PUSH2 0x120 JUMP JUMPDEST SWAP1 JUMP JUMPDEST PUSH2 0xE5D DUP1 PUSH3 0x147 PUSH1 0x0 CODECOPY PUSH1 0x0 RETURN STOP PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0xCF JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x6FDDE03 DUP2 EQ PUSH2 0xD4 JUMPI DUP1 PUSH4 0x95EA7B3 EQ PUSH2 0x15E JUMPI DUP1 PUSH4 0x18160DDD EQ PUSH2 0x1A3 JUMPI DUP1 PUSH4 0x23B872DD EQ PUSH2 0x1CA JUMPI DUP1 PUSH4 0x313CE567 EQ PUSH2 0x201 JUMPI DUP1 PUSH4 0x70A08231 EQ PUSH2 0x216 JUMPI DUP1 PUSH4 0x8DA5CB5B EQ PUSH2 0x244 JUMPI DUP1 PUSH4 0x95D89B41 EQ PUSH2 0x282 JUMPI DUP1 PUSH4 0xA0712D68 EQ PUSH2 0x297 JUMPI DUP1 PUSH4 0xA9059CBB EQ PUSH2 0x2B1 JUMPI DUP1 PUSH4 0xDD62ED3E EQ PUSH2 0x2E2 JUMPI DUP1 PUSH4 0xE30443BC EQ PUSH2 0x316 JUMPI DUP1 PUSH4 0xF2FDE38B EQ PUSH2 0x347 JUMPI DUP1 PUSH4 0xFA9B7018 EQ PUSH2 0x375 JUMPI JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xE0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xE9 PUSH2 0x38A JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 ADD SWAP1 DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x123 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x10B JUMP JUMPDEST POP POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x150 JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x16A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x18F PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x436 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1AF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1B8 PUSH2 0x4A9 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1D6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x18F PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x4AF JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x20D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1B8 PUSH2 0x76B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x222 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1B8 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x771 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x250 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x259 PUSH2 0x799 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x28E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xE9 PUSH2 0x7B5 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2A3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2AF PUSH1 0x4 CALLDATALOAD PUSH2 0x82E JUMP JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2BD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x18F PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x8B4 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2EE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1B8 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0xA43 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x322 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2AF PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0xA7B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x353 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2AF PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0xB91 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x381 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1B8 PUSH2 0xC78 JUMP JUMPDEST PUSH1 0x4 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x42E JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x403 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x42E JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x411 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP DUP2 JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP1 DUP6 MSTORE SWAP1 DUP4 MSTORE DUP2 DUP5 KECCAK256 DUP7 SWAP1 SSTORE DUP2 MLOAD DUP7 DUP2 MSTORE SWAP2 MLOAD SWAP4 SWAP5 SWAP1 SWAP4 SWAP1 SWAP3 PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 SWAP3 DUP3 SWAP1 SUB ADD SWAP1 LOG3 POP PUSH1 0x1 SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x3 SLOAD SWAP1 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP5 MSTORE DUP3 MSTORE DUP1 DUP4 KECCAK256 SLOAD SWAP4 DUP4 MSTORE PUSH1 0x1 SWAP1 SWAP2 MSTORE DUP2 KECCAK256 SLOAD SWAP1 SWAP2 SWAP1 DUP4 GT ISZERO PUSH2 0x55C JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1A PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x45524332305F494E53554646494349454E545F42414C414E4345000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST DUP3 DUP2 LT ISZERO PUSH2 0x5CB JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1C PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x45524332305F494E53554646494349454E545F414C4C4F57414E434500000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP4 DUP2 ADD LT ISZERO PUSH2 0x661 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP6 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD DUP8 ADD SWAP1 SSTORE SWAP2 DUP8 AND DUP2 MSTORE KECCAK256 DUP1 SLOAD DUP5 SWAP1 SUB SWAP1 SSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 LT ISZERO PUSH2 0x6FB JUMPI PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP6 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP5 MSTORE SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 DUP1 SLOAD DUP5 SWAP1 SUB SWAP1 SSTORE JUMPDEST DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF DUP6 PUSH1 0x40 MLOAD DUP1 DUP3 DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 POP PUSH1 0x1 SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x6 SLOAD DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD SWAP1 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x5 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x42E JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x403 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x42E JUMP JUMPDEST PUSH10 0x21E19E0C9BAB2400000 DUP2 GT ISZERO PUSH2 0x8A7 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0xF PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x56414C55455F544F4F5F4C415247450000000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH2 0x8B1 CALLER DUP3 PUSH2 0xC86 JUMP JUMPDEST POP JUMP JUMPDEST CALLER PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 SLOAD DUP3 GT ISZERO PUSH2 0x932 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1A PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x45524332305F494E53554646494349454E545F42414C414E4345000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP3 DUP2 ADD LT ISZERO PUSH2 0x9C8 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 DUP1 SLOAD DUP8 SWAP1 SUB SWAP1 SSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP1 DUP5 MSTORE SWAP3 DUP2 SWAP1 KECCAK256 DUP1 SLOAD DUP8 ADD SWAP1 SSTORE DUP1 MLOAD DUP7 DUP2 MSTORE SWAP1 MLOAD SWAP3 SWAP4 SWAP3 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP3 SWAP2 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP PUSH1 0x1 SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP2 DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP4 SWAP1 SWAP5 AND DUP3 MSTORE SWAP2 SWAP1 SWAP2 MSTORE KECCAK256 SLOAD SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xB02 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP1 DUP3 LT ISZERO PUSH2 0xB4E JUMPI PUSH2 0xB46 PUSH1 0x3 SLOAD PUSH2 0xB41 DUP4 DUP6 PUSH2 0xD3F JUMP JUMPDEST PUSH2 0xD3F JUMP JUMPDEST PUSH1 0x3 SSTORE PUSH2 0xB67 JUMP JUMPDEST PUSH2 0xB63 PUSH1 0x3 SLOAD PUSH2 0xB5E DUP5 DUP5 PUSH2 0xD3F JUMP JUMPDEST PUSH2 0xDB6 JUMP JUMPDEST PUSH1 0x3 SSTORE JUMPDEST POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SSTORE JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xC17 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0x8B1 JUMPI PUSH1 0x0 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 SWAP1 SWAP2 AND OR SWAP1 SSTORE POP JUMP JUMPDEST PUSH10 0x21E19E0C9BAB2400000 DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH2 0xCB7 SWAP1 DUP3 SWAP1 PUSH2 0xDB6 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SSTORE PUSH1 0x3 SLOAD PUSH2 0xCEA SWAP1 DUP3 PUSH2 0xDB6 JUMP JUMPDEST PUSH1 0x3 SSTORE PUSH1 0x40 DUP1 MLOAD DUP3 DUP2 MSTORE SWAP1 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND SWAP2 PUSH1 0x0 SWAP2 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP2 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 LOG3 POP POP JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 GT ISZERO PUSH2 0xDB0 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F554E444552464C4F57000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP SWAP1 SUB SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 ADD DUP4 DUP2 LT ISZERO PUSH2 0xE2A JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST SWAP4 SWAP3 POP POP POP JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 0xbf ISZERO 0xf8 0xb1 JUMPI DIV PUSH27 0x3248E2C7BF50AD7DD5D360D0BB36A780E3BAD9229FC4BAD5D20029 ", + "sourceMap": 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+ "opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0xCF JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x6FDDE03 DUP2 EQ PUSH2 0xD4 JUMPI DUP1 PUSH4 0x95EA7B3 EQ PUSH2 0x15E JUMPI DUP1 PUSH4 0x18160DDD EQ PUSH2 0x1A3 JUMPI DUP1 PUSH4 0x23B872DD EQ PUSH2 0x1CA JUMPI DUP1 PUSH4 0x313CE567 EQ PUSH2 0x201 JUMPI DUP1 PUSH4 0x70A08231 EQ PUSH2 0x216 JUMPI DUP1 PUSH4 0x8DA5CB5B EQ PUSH2 0x244 JUMPI DUP1 PUSH4 0x95D89B41 EQ PUSH2 0x282 JUMPI DUP1 PUSH4 0xA0712D68 EQ PUSH2 0x297 JUMPI DUP1 PUSH4 0xA9059CBB EQ PUSH2 0x2B1 JUMPI DUP1 PUSH4 0xDD62ED3E EQ PUSH2 0x2E2 JUMPI DUP1 PUSH4 0xE30443BC EQ PUSH2 0x316 JUMPI DUP1 PUSH4 0xF2FDE38B EQ PUSH2 0x347 JUMPI DUP1 PUSH4 0xFA9B7018 EQ PUSH2 0x375 JUMPI JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xE0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xE9 PUSH2 0x38A JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 ADD SWAP1 DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x123 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x10B JUMP JUMPDEST POP POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x150 JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x16A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x18F PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x436 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1AF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1B8 PUSH2 0x4A9 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1D6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x18F PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x4AF JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x20D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1B8 PUSH2 0x76B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x222 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1B8 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x771 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x250 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x259 PUSH2 0x799 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x28E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xE9 PUSH2 0x7B5 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2A3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2AF PUSH1 0x4 CALLDATALOAD PUSH2 0x82E JUMP JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2BD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x18F PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x8B4 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2EE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1B8 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0xA43 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x322 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2AF PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0xA7B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x353 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2AF PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0xB91 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x381 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1B8 PUSH2 0xC78 JUMP JUMPDEST PUSH1 0x4 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x42E JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x403 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x42E JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x411 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP DUP2 JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP1 DUP6 MSTORE SWAP1 DUP4 MSTORE DUP2 DUP5 KECCAK256 DUP7 SWAP1 SSTORE DUP2 MLOAD DUP7 DUP2 MSTORE SWAP2 MLOAD SWAP4 SWAP5 SWAP1 SWAP4 SWAP1 SWAP3 PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 SWAP3 DUP3 SWAP1 SUB ADD SWAP1 LOG3 POP PUSH1 0x1 SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x3 SLOAD SWAP1 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP5 MSTORE DUP3 MSTORE DUP1 DUP4 KECCAK256 SLOAD SWAP4 DUP4 MSTORE PUSH1 0x1 SWAP1 SWAP2 MSTORE DUP2 KECCAK256 SLOAD SWAP1 SWAP2 SWAP1 DUP4 GT ISZERO PUSH2 0x55C JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1A PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x45524332305F494E53554646494349454E545F42414C414E4345000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST DUP3 DUP2 LT ISZERO PUSH2 0x5CB JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1C PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x45524332305F494E53554646494349454E545F414C4C4F57414E434500000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP4 DUP2 ADD LT ISZERO PUSH2 0x661 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP6 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD DUP8 ADD SWAP1 SSTORE SWAP2 DUP8 AND DUP2 MSTORE KECCAK256 DUP1 SLOAD DUP5 SWAP1 SUB SWAP1 SSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 LT ISZERO PUSH2 0x6FB JUMPI PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP6 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP5 MSTORE SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 DUP1 SLOAD DUP5 SWAP1 SUB SWAP1 SSTORE JUMPDEST DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF DUP6 PUSH1 0x40 MLOAD DUP1 DUP3 DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 POP PUSH1 0x1 SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x6 SLOAD DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD SWAP1 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x5 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x42E JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x403 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x42E JUMP JUMPDEST PUSH10 0x21E19E0C9BAB2400000 DUP2 GT ISZERO PUSH2 0x8A7 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0xF PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x56414C55455F544F4F5F4C415247450000000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH2 0x8B1 CALLER DUP3 PUSH2 0xC86 JUMP JUMPDEST POP JUMP JUMPDEST CALLER PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 SLOAD DUP3 GT ISZERO PUSH2 0x932 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1A PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x45524332305F494E53554646494349454E545F42414C414E4345000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP3 DUP2 ADD LT ISZERO PUSH2 0x9C8 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 DUP1 SLOAD DUP8 SWAP1 SUB SWAP1 SSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP1 DUP5 MSTORE SWAP3 DUP2 SWAP1 KECCAK256 DUP1 SLOAD DUP8 ADD SWAP1 SSTORE DUP1 MLOAD DUP7 DUP2 MSTORE SWAP1 MLOAD SWAP3 SWAP4 SWAP3 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP3 SWAP2 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP PUSH1 0x1 SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP2 DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP4 SWAP1 SWAP5 AND DUP3 MSTORE SWAP2 SWAP1 SWAP2 MSTORE KECCAK256 SLOAD SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xB02 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP1 DUP3 LT ISZERO PUSH2 0xB4E JUMPI PUSH2 0xB46 PUSH1 0x3 SLOAD PUSH2 0xB41 DUP4 DUP6 PUSH2 0xD3F JUMP JUMPDEST PUSH2 0xD3F JUMP JUMPDEST PUSH1 0x3 SSTORE PUSH2 0xB67 JUMP JUMPDEST PUSH2 0xB63 PUSH1 0x3 SLOAD PUSH2 0xB5E DUP5 DUP5 PUSH2 0xD3F JUMP JUMPDEST PUSH2 0xDB6 JUMP JUMPDEST PUSH1 0x3 SSTORE JUMPDEST POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SSTORE JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xC17 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0x8B1 JUMPI PUSH1 0x0 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 SWAP1 SWAP2 AND OR SWAP1 SSTORE POP JUMP JUMPDEST PUSH10 0x21E19E0C9BAB2400000 DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH2 0xCB7 SWAP1 DUP3 SWAP1 PUSH2 0xDB6 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SSTORE PUSH1 0x3 SLOAD PUSH2 0xCEA SWAP1 DUP3 PUSH2 0xDB6 JUMP JUMPDEST PUSH1 0x3 SSTORE PUSH1 0x40 DUP1 MLOAD DUP3 DUP2 MSTORE SWAP1 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND SWAP2 PUSH1 0x0 SWAP2 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP2 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 LOG3 POP POP JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 GT ISZERO PUSH2 0xDB0 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F554E444552464C4F57000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP SWAP1 SUB SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 ADD DUP4 DUP2 LT ISZERO PUSH2 0xE2A JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST SWAP4 SWAP3 POP POP POP JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 0xbf ISZERO 0xf8 0xb1 JUMPI DIV PUSH27 0x3248E2C7BF50AD7DD5D360D0BB36A780E3BAD9229FC4BAD5D20029 ", + "sourceMap": 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+ } + } + }, + "sources": { + "2.0.0/extensions/Forwarder/Forwarder.sol": { + "id": 0 + }, + "2.0.0/extensions/Forwarder/MixinAssets.sol": { + "id": 1 + }, + "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": { + "id": 2 + }, + "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": { + "id": 3 + }, + "2.0.0/extensions/Forwarder/MixinWeth.sol": { + "id": 4 + }, + "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": { + "id": 5 + }, + "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": { + "id": 6 + }, + "2.0.0/extensions/Forwarder/libs/LibConstants.sol": { + "id": 7 + }, + "2.0.0/extensions/Forwarder/mixins/MAssets.sol": { + "id": 8 + }, + "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": { + "id": 9 + }, + "2.0.0/extensions/Forwarder/mixins/MWeth.sol": { + "id": 10 + }, + "2.0.0/extensions/OrderValidator/OrderValidator.sol": { + "id": 11 + }, + "2.0.0/multisig/MultiSigWallet.sol": { + "id": 12 + }, + "2.0.0/multisig/MultiSigWalletWithTimeLock.sol": { + "id": 13 + }, + "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": { + "id": 14 + }, + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": { + "id": 15 + }, + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": { + "id": 16 + }, + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": { + "id": 17 + }, + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": { + "id": 18 + }, + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": { + "id": 19 + }, + "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": { + "id": 20 + }, + "2.0.0/protocol/Exchange/Exchange.sol": { + "id": 21 + }, + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": { + "id": 22 + }, + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": { + "id": 23 + }, + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": { + "id": 24 + }, + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": { + "id": 25 + }, + "2.0.0/protocol/Exchange/MixinTransactions.sol": { + "id": 26 + }, + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": { + "id": 27 + }, + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": { + "id": 28 + }, + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": { + "id": 29 + }, + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": { + "id": 30 + }, + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": { + "id": 31 + }, + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": { + "id": 32 + }, + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": { + "id": 33 + }, + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": { + "id": 34 + }, + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": { + "id": 35 + }, + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": { + "id": 36 + }, + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": { + "id": 37 + }, + "2.0.0/protocol/Exchange/libs/LibConstants.sol": { + "id": 38 + }, + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": { + "id": 39 + }, + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": { + "id": 40 + }, + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": { + "id": 41 + }, + "2.0.0/protocol/Exchange/libs/LibMath.sol": { + "id": 42 + }, + "2.0.0/protocol/Exchange/libs/LibOrder.sol": { + "id": 43 + }, + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": { + "id": 44 + }, + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": { + "id": 45 + }, + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": { + "id": 46 + }, + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": { + "id": 47 + }, + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": { + "id": 48 + }, + "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": { + "id": 49 + }, + "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": { + "id": 50 + }, + "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": { + "id": 51 + }, + "2.0.0/tokens/ERC20Token/ERC20Token.sol": { + "id": 52 + }, + "2.0.0/tokens/ERC20Token/IERC20Token.sol": { + "id": 53 + }, + "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": { + "id": 54 + }, + "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": { + "id": 55 + }, + "2.0.0/tokens/ERC721Token/ERC721Token.sol": { + "id": 56 + }, + "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": { + "id": 57 + }, + "2.0.0/tokens/ERC721Token/IERC721Token.sol": { + "id": 58 + }, + "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": { + "id": 59 + }, + "2.0.0/tokens/EtherToken/IEtherToken.sol": { + "id": 60 + }, + "2.0.0/utils/LibBytes/LibBytes.sol": { + "id": 61 + }, + "2.0.0/utils/Ownable/IOwnable.sol": { + "id": 62 + }, + "2.0.0/utils/Ownable/Ownable.sol": { + "id": 63 + }, + "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": { + "id": 64 + }, + "2.0.0/utils/SafeMath/SafeMath.sol": { + "id": 65 + } + }, + "sourceCodes": { + "2.0.0/extensions/Forwarder/Forwarder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinWeth.sol\";\nimport \"./MixinForwarderCore.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinAssets.sol\";\nimport \"./MixinExchangeWrapper.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Forwarder is\n LibConstants,\n MixinWeth,\n MixinAssets,\n MixinExchangeWrapper,\n MixinForwarderCore\n{\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n LibConstants(\n _exchange,\n _zrxAssetData,\n _wethAssetData\n )\n MixinForwarderCore()\n {}\n}\n", + "2.0.0/extensions/Forwarder/MixinAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MAssets.sol\";\n\n\ncontract MixinAssets is\n Ownable,\n LibConstants,\n MAssets\n{\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256(\"transfer(address,uint256)\"));\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external\n onlyOwner\n {\n transferAssetToSender(assetData, amount);\n }\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n bytes4 proxyId = assetData.readBytes4(0);\n\n if (proxyId == ERC20_DATA_ID) {\n transferERC20Token(assetData, amount);\n } else if (proxyId == ERC721_DATA_ID) {\n transferERC721Token(assetData, amount);\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n }\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n address token = assetData.readAddress(16);\n\n // Transfer tokens.\n // We do a raw call so we can check the success separate\n // from the return data.\n bool success = token.call(abi.encodeWithSelector(\n ERC20_TRANSFER_SELECTOR,\n msg.sender,\n amount\n ));\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n \n // Check return data.\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // value that evaluates to true.\n assembly {\n if returndatasize {\n success := 0\n if eq(returndatasize, 32) {\n // First 64 bytes of memory are reserved scratch space\n returndatacopy(0, 0, 32)\n success := mload(0)\n }\n }\n }\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n }\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n require(\n amount == 1,\n \"INVALID_AMOUNT\"\n );\n // Decode asset data.\n address token = assetData.readAddress(16);\n uint256 tokenId = assetData.readUint256(36);\n\n // Perform transfer.\n IERC721Token(token).transferFrom(\n address(this),\n msg.sender,\n tokenId\n );\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"../../protocol/Exchange/libs/LibAbiEncoder.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinExchangeWrapper is\n LibAbiEncoder,\n LibFillResults,\n LibMath,\n LibConstants,\n MExchangeWrapper\n{\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n address exchange = address(EXCHANGE);\n\n // Call `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := call(\n gas, // forward all gas\n exchange, // call address of Exchange contract\n 0, // transfer 0 wei\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of WETH to sell\n uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of WETH\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount;\n if (makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n\n require(\n makerAssetFilledAmount >= makerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n // Do nothing if zrxBuyAmount == 0\n if (zrxBuyAmount == 0) {\n return totalFillResults;\n }\n\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n uint256 zrxPurchased = 0;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // All of these are ZRX/WETH, so we can drop the respective assetData from calldata.\n orders[i].makerAssetData = zrxAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of ZRX to buy.\n uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased);\n\n // Convert the remaining amount of ZRX to buy into remaining amount\n // of WETH to sell, assuming entire amount can be sold in the current order.\n uint256 remainingWethSellAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees \n remainingZrxBuyAmount\n );\n\n // Attempt to sell the remaining amount of WETH.\n FillResults memory singleFillResult = fillOrderNoThrow(\n orders[i],\n safeAdd(remainingWethSellAmount, 1), // we add 1 wei to the fill amount to make up for rounding errors\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker.\n addFillResults(totalFillResults, singleFillResult);\n zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid);\n\n // Stop execution if the entire amount of ZRX has been bought.\n if (zrxPurchased >= zrxBuyAmount) {\n break;\n }\n }\n\n require(\n zrxPurchased >= zrxBuyAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\nimport \"./mixins/MAssets.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"./interfaces/IForwarderCore.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinForwarderCore is\n LibFillResults,\n LibMath,\n LibConstants,\n MWeth,\n MAssets,\n MExchangeWrapper,\n IForwarderCore\n{\n using LibBytes for bytes;\n\n /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf.\n constructor ()\n public\n {\n address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID);\n require(\n proxyAddress != address(0),\n \"UNREGISTERED_ASSET_PROXY\"\n );\n ETHER_TOKEN.approve(proxyAddress, MAX_UINT);\n ZRX_TOKEN.approve(proxyAddress, MAX_UINT);\n }\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 wethSellAmount;\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // Calculate amount of WETH that won't be spent on ETH fees.\n wethSellAmount = getPartialAmountFloor(\n PERCENTAGE_DENOMINATOR,\n safeAdd(PERCENTAGE_DENOMINATOR, feePercentage),\n msg.value\n );\n // Market sell available WETH.\n // ZRX fees are paid with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // 5% of WETH is reserved for filling feeOrders and paying feeRecipient.\n wethSellAmount = getPartialAmountFloor(\n MAX_WETH_FILL_PERCENTAGE,\n PERCENTAGE_DENOMINATOR,\n msg.value\n );\n // Market sell 95% of WETH.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // If the makerAsset is ZRX, it is not necessary to pay fees out of this\n // contracts's ZRX balance because fees are factored into the price of the order.\n orderFillResults = marketBuyExactZrxWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // Attemp to purchase desired amount of makerAsset.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketBuyExactAmountWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\n\n\ncontract MixinWeth is\n LibMath,\n LibConstants,\n MWeth\n{\n /// @dev Default payabale function, this allows us to withdraw WETH\n function ()\n public\n payable\n {\n require(\n msg.sender == address(ETHER_TOKEN),\n \"DEFAULT_FUNCTION_WETH_CONTRACT_ONLY\"\n );\n }\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal\n {\n require(\n msg.value > 0,\n \"INVALID_MSG_VALUE\"\n );\n ETHER_TOKEN.deposit.value(msg.value)();\n }\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal\n {\n // Ensure feePercentage is less than 5%.\n require(\n feePercentage <= MAX_FEE_PERCENTAGE,\n \"FEE_PERCENTAGE_TOO_LARGE\"\n );\n\n // Ensure that no extra WETH owned by this contract has been sold.\n uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx);\n require(\n wethSold <= msg.value,\n \"OVERSOLD_WETH\"\n );\n\n // Calculate amount of WETH that hasn't been sold.\n uint256 wethRemaining = safeSub(msg.value, wethSold);\n\n // Calculate ETH fee to pay to feeRecipient.\n uint256 ethFee = getPartialAmountFloor(\n feePercentage,\n PERCENTAGE_DENOMINATOR,\n wethSoldExcludingFeeOrders\n );\n\n // Ensure fee is less than amount of WETH remaining.\n require(\n ethFee <= wethRemaining,\n \"INSUFFICIENT_ETH_REMAINING\"\n );\n \n // Do nothing if no WETH remaining\n if (wethRemaining > 0) {\n // Convert remaining WETH to ETH\n ETHER_TOKEN.withdraw(wethRemaining);\n\n // Pay ETH to feeRecipient\n if (ethFee > 0) {\n feeRecipient.transfer(ethFee);\n }\n\n // Refund remaining ETH to msg.sender.\n uint256 ethRefund = safeSub(wethRemaining, ethFee);\n if (ethRefund > 0) {\n msg.sender.transfer(ethRefund);\n }\n }\n }\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssets {\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external;\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract IForwarderCore {\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n}\n", + "2.0.0/extensions/Forwarder/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/LibBytes/LibBytes.sol\";\nimport \"../../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../../tokens/EtherToken/IEtherToken.sol\";\nimport \"../../../tokens/ERC20Token/IERC20Token.sol\";\n\n\ncontract LibConstants {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n uint256 constant internal MAX_UINT = 2**256 - 1;\n uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; \n uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5%\n uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95%\n \n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n IEtherToken internal ETHER_TOKEN;\n IERC20Token internal ZRX_TOKEN;\n bytes internal ZRX_ASSET_DATA;\n bytes internal WETH_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n WETH_ASSET_DATA = _wethAssetData;\n\n address etherToken = _wethAssetData.readAddress(16);\n address zrxToken = _zrxAssetData.readAddress(16);\n ETHER_TOKEN = IEtherToken(etherToken);\n ZRX_TOKEN = IERC20Token(zrxToken);\n }\n}\n", + "2.0.0/extensions/Forwarder/mixins/MAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssets.sol\";\n\n\ncontract MAssets is\n IAssets\n{\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract MExchangeWrapper {\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n}\n", + "2.0.0/extensions/Forwarder/mixins/MWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract MWeth {\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal;\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal;\n}\n", + "2.0.0/extensions/OrderValidator/OrderValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract OrderValidator {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n struct TraderInfo {\n uint256 makerBalance; // Maker's balance of makerAsset\n uint256 makerAllowance; // Maker's allowance to corresponding AssetProxy\n uint256 takerBalance; // Taker's balance of takerAsset\n uint256 takerAllowance; // Taker's allowance to corresponding AssetProxy\n uint256 makerZrxBalance; // Maker's balance of ZRX\n uint256 makerZrxAllowance; // Maker's allowance of ZRX to ERC20Proxy\n uint256 takerZrxBalance; // Taker's balance of ZRX\n uint256 takerZrxAllowance; // Taker's allowance of ZRX to ERC20Proxy\n }\n\n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n bytes internal ZRX_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (address _exchange, bytes memory _zrxAssetData)\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n }\n\n /// @dev Fetches information for order and maker/taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return OrderInfo and TraderInfo instances for given order.\n function getOrderAndTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo, TraderInfo memory traderInfo)\n {\n orderInfo = EXCHANGE.getOrderInfo(order);\n traderInfo = getTraderInfo(order, takerAddress);\n return (orderInfo, traderInfo);\n }\n\n /// @dev Fetches information for all passed in orders and the makers/takers of each order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Arrays of OrderInfo and TraderInfo instances that correspond to each order.\n function getOrdersAndTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (LibOrder.OrderInfo[] memory ordersInfo, TraderInfo[] memory tradersInfo)\n {\n ordersInfo = EXCHANGE.getOrdersInfo(orders);\n tradersInfo = getTradersInfo(orders, takerAddresses);\n return (ordersInfo, tradersInfo);\n }\n\n /// @dev Fetches balance and allowances for maker and taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return Balances and allowances of maker and taker of order.\n function getTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (TraderInfo memory traderInfo)\n {\n (traderInfo.makerBalance, traderInfo.makerAllowance) = getBalanceAndAllowance(order.makerAddress, order.makerAssetData);\n (traderInfo.takerBalance, traderInfo.takerAllowance) = getBalanceAndAllowance(takerAddress, order.takerAssetData);\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n (traderInfo.makerZrxBalance, traderInfo.makerZrxAllowance) = getBalanceAndAllowance(order.makerAddress, zrxAssetData);\n (traderInfo.takerZrxBalance, traderInfo.takerZrxAllowance) = getBalanceAndAllowance(takerAddress, zrxAssetData);\n return traderInfo;\n }\n\n /// @dev Fetches balances and allowances of maker and taker for each provided order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Array of balances and allowances for maker and taker of each order.\n function getTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (TraderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n TraderInfo[] memory tradersInfo = new TraderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n tradersInfo[i] = getTraderInfo(orders[i], takerAddresses[i]);\n }\n return tradersInfo;\n }\n\n /// @dev Fetches token balances and allowances of an address to given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Encoded data that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balance of asset and allowance set to given proxy of asset.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalanceAndAllowance(address target, bytes memory assetData)\n public\n view\n returns (uint256 balance, uint256 allowance)\n {\n bytes4 assetProxyId = assetData.readBytes4(0);\n address token = assetData.readAddress(16);\n address assetProxy = EXCHANGE.getAssetProxy(assetProxyId);\n\n if (assetProxyId == ERC20_DATA_ID) {\n // Query balance\n balance = IERC20Token(token).balanceOf(target);\n\n // Query allowance\n allowance = IERC20Token(token).allowance(target, assetProxy);\n } else if (assetProxyId == ERC721_DATA_ID) {\n uint256 tokenId = assetData.readUint256(36);\n\n // Query owner of tokenId\n address owner = getERC721TokenOwner(token, tokenId);\n\n // Set balance to 1 if tokenId is owned by target\n balance = target == owner ? 1 : 0;\n\n // Check if ERC721Proxy is approved to spend tokenId\n bool isApproved = IERC721Token(token).isApprovedForAll(target, assetProxy) || IERC721Token(token).getApproved(tokenId) == assetProxy;\n \n // Set alowance to 1 if ERC721Proxy is approved to spend tokenId\n allowance = isApproved ? 1 : 0;\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n return (balance, allowance);\n }\n\n /// @dev Fetches token balances and allowances of an address for each given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Array of encoded byte arrays that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balances and allowances of assets.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalancesAndAllowances(address target, bytes[] memory assetData)\n public\n view\n returns (uint256[] memory, uint256[] memory)\n {\n uint256 length = assetData.length;\n uint256[] memory balances = new uint256[](length);\n uint256[] memory allowances = new uint256[](length);\n for (uint256 i = 0; i != length; i++) {\n (balances[i], allowances[i]) = getBalanceAndAllowance(target, assetData[i]);\n }\n return (balances, allowances);\n }\n\n /// @dev Calls `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token.\n /// @param token Address of ERC721 token.\n /// @param tokenId The identifier for the specific NFT.\n /// @return Owner of tokenId or null address if unowned.\n function getERC721TokenOwner(address token, uint256 tokenId)\n public\n view\n returns (address owner)\n {\n assembly {\n // load free memory pointer\n let cdStart := mload(64)\n\n // bytes4(keccak256(ownerOf(uint256))) = 0x6352211e\n mstore(cdStart, 0x6352211e00000000000000000000000000000000000000000000000000000000)\n mstore(add(cdStart, 4), tokenId)\n\n // staticcall `ownerOf(tokenId)`\n // `ownerOf` will revert if tokenId is not owned\n let success := staticcall(\n gas, // forward all gas\n token, // call token contract\n cdStart, // start of calldata\n 36, // length of input is 36 bytes\n cdStart, // write output over input\n 32 // size of output is 32 bytes\n )\n\n // Success implies that tokenId is owned\n // Copy owner from return data if successful\n if success {\n owner := mload(cdStart)\n } \n }\n\n // Owner initialized to address(0), no need to modify if call is unsuccessful\n return owner;\n }\n}\n", + "2.0.0/multisig/MultiSigWallet.sol": "// solhint-disable\npragma solidity ^0.4.15;\n\n\n/// @title Multisignature wallet - Allows multiple parties to agree on transactions before execution.\n/// @author Stefan George - \ncontract MultiSigWallet {\n\n /*\n * Events\n */\n event Confirmation(address indexed sender, uint indexed transactionId);\n event Revocation(address indexed sender, uint indexed transactionId);\n event Submission(uint indexed transactionId);\n event Execution(uint indexed transactionId);\n event ExecutionFailure(uint indexed transactionId);\n event Deposit(address indexed sender, uint value);\n event OwnerAddition(address indexed owner);\n event OwnerRemoval(address indexed owner);\n event RequirementChange(uint required);\n\n /*\n * Constants\n */\n uint constant public MAX_OWNER_COUNT = 50;\n\n /*\n * Storage\n */\n mapping (uint => Transaction) public transactions;\n mapping (uint => mapping (address => bool)) public confirmations;\n mapping (address => bool) public isOwner;\n address[] public owners;\n uint public required;\n uint public transactionCount;\n\n struct Transaction {\n address destination;\n uint value;\n bytes data;\n bool executed;\n }\n\n /*\n * Modifiers\n */\n modifier onlyWallet() {\n require(msg.sender == address(this));\n _;\n }\n\n modifier ownerDoesNotExist(address owner) {\n require(!isOwner[owner]);\n _;\n }\n\n modifier ownerExists(address owner) {\n require(isOwner[owner]);\n _;\n }\n\n modifier transactionExists(uint transactionId) {\n require(transactions[transactionId].destination != 0);\n _;\n }\n\n modifier confirmed(uint transactionId, address owner) {\n require(confirmations[transactionId][owner]);\n _;\n }\n\n modifier notConfirmed(uint transactionId, address owner) {\n require(!confirmations[transactionId][owner]);\n _;\n }\n\n modifier notExecuted(uint transactionId) {\n require(!transactions[transactionId].executed);\n _;\n }\n\n modifier notNull(address _address) {\n require(_address != 0);\n _;\n }\n\n modifier validRequirement(uint ownerCount, uint _required) {\n require(ownerCount <= MAX_OWNER_COUNT\n && _required <= ownerCount\n && _required != 0\n && ownerCount != 0);\n _;\n }\n\n /// @dev Fallback function allows to deposit ether.\n function()\n payable\n {\n if (msg.value > 0)\n Deposit(msg.sender, msg.value);\n }\n\n /*\n * Public functions\n */\n /// @dev Contract constructor sets initial owners and required number of confirmations.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n function MultiSigWallet(address[] _owners, uint _required)\n public\n validRequirement(_owners.length, _required)\n {\n for (uint i=0; i<_owners.length; i++) {\n require(!isOwner[_owners[i]] && _owners[i] != 0);\n isOwner[_owners[i]] = true;\n }\n owners = _owners;\n required = _required;\n }\n\n /// @dev Allows to add a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of new owner.\n function addOwner(address owner)\n public\n onlyWallet\n ownerDoesNotExist(owner)\n notNull(owner)\n validRequirement(owners.length + 1, required)\n {\n isOwner[owner] = true;\n owners.push(owner);\n OwnerAddition(owner);\n }\n\n /// @dev Allows to remove an owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner.\n function removeOwner(address owner)\n public\n onlyWallet\n ownerExists(owner)\n {\n isOwner[owner] = false;\n for (uint i=0; i owners.length)\n changeRequirement(owners.length);\n OwnerRemoval(owner);\n }\n\n /// @dev Allows to replace an owner with a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner to be replaced.\n /// @param newOwner Address of new owner.\n function replaceOwner(address owner, address newOwner)\n public\n onlyWallet\n ownerExists(owner)\n ownerDoesNotExist(newOwner)\n {\n for (uint i=0; i\n// solhint-disable not-rely-on-time\ncontract MultiSigWalletWithTimeLock is\n MultiSigWallet\n{\n event ConfirmationTimeSet(uint256 indexed transactionId, uint256 confirmationTime);\n event TimeLockChange(uint256 secondsTimeLocked);\n\n uint256 public secondsTimeLocked;\n\n mapping (uint256 => uint256) public confirmationTimes;\n\n modifier notFullyConfirmed(uint256 transactionId) {\n require(\n !isConfirmed(transactionId),\n \"TX_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier fullyConfirmed(uint256 transactionId) {\n require(\n isConfirmed(transactionId),\n \"TX_NOT_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier pastTimeLock(uint256 transactionId) {\n require(\n block.timestamp >= confirmationTimes[transactionId] + secondsTimeLocked,\n \"TIME_LOCK_INCOMPLETE\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations, and time lock.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] _owners,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWallet(_owners, _required)\n {\n secondsTimeLocked = _secondsTimeLocked;\n }\n\n /// @dev Changes the duration of the time lock for transactions.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n function changeTimeLock(uint256 _secondsTimeLocked)\n public\n onlyWallet\n {\n secondsTimeLocked = _secondsTimeLocked;\n emit TimeLockChange(_secondsTimeLocked);\n }\n\n /// @dev Allows an owner to confirm a transaction.\n /// @param transactionId Transaction ID.\n function confirmTransaction(uint256 transactionId)\n public\n ownerExists(msg.sender)\n transactionExists(transactionId)\n notConfirmed(transactionId, msg.sender)\n notFullyConfirmed(transactionId)\n {\n confirmations[transactionId][msg.sender] = true;\n emit Confirmation(msg.sender, transactionId);\n if (isConfirmed(transactionId)) {\n setConfirmationTime(transactionId, block.timestamp);\n }\n }\n\n /// @dev Allows anyone to execute a confirmed transaction.\n /// @param transactionId Transaction ID.\n function executeTransaction(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n pastTimeLock(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n\n /// @dev Sets the time of when a submission first passed.\n function setConfirmationTime(uint256 transactionId, uint256 confirmationTime)\n internal\n {\n confirmationTimes[transactionId] = confirmationTime;\n emit ConfirmationTimeSet(transactionId, confirmationTime);\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC20Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n \n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 1 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n\n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. amount |\n\n /////// Read token address from calldata ///////\n // * The token address is stored in `assetData`.\n //\n // * The \"offset to assetData\" is stored at offset 4 in the calldata (table 1).\n // [assetDataOffsetFromParams = calldataload(4)]\n //\n // * Notes that the \"offset to assetData\" is relative to the \"Params\" area of calldata;\n // add 4 bytes to account for the length of the \"Header\" area (table 1).\n // [assetDataOffsetFromHeader = assetDataOffsetFromParams + 4]\n //\n // * The \"token address\" is offset 32+4=36 bytes into \"assetData\" (tables 1 & 2).\n // [tokenOffset = assetDataOffsetFromHeader + 36 = calldataload(4) + 4 + 36]\n let token := calldataload(add(calldataload(4), 40))\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from`, `to` and `amount` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 96)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output over input\n 32 // output size should be 32 bytes\n )\n\n /////// Check return data. ///////\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // nonzero 32 bytes value.\n // So the transfer succeeded if the call succeeded and either\n // returned nothing, or returned a non-zero 32 byte value. \n success := and(success, or(\n iszero(returndatasize),\n and(\n eq(returndatasize, 32),\n gt(mload(0), 0)\n )\n ))\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC721Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 2 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n // | | 36 | | 2. tokenId |\n \n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. tokenId |\n\n // There exists only 1 of each token.\n // require(amount == 1, \"INVALID_AMOUNT\")\n if sub(calldataload(100), 1) {\n // Revert with `Error(\"INVALID_AMOUNT\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from` and `to` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 64)\n\n // Copy `tokenId` field from our own calldata to the new calldata.\n let assetDataOffset := calldataload(4)\n calldatacopy(68, add(assetDataOffset, 72), 32)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let token := calldataload(add(assetDataOffset, 40))\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output to null\n 0 // output size is 0 bytes\n )\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAuthorizable.sol\";\n\n\ncontract MixinAuthorizable is\n Ownable,\n MAuthorizable\n{\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized {\n require(\n authorized[msg.sender],\n \"SENDER_NOT_AUTHORIZED\"\n );\n _;\n }\n\n mapping (address => bool) public authorized;\n address[] public authorities;\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n !authorized[target],\n \"TARGET_ALREADY_AUTHORIZED\"\n );\n\n authorized[target] = true;\n authorities.push(target);\n emit AuthorizedAddressAdded(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n\n delete authorized[target];\n for (uint256 i = 0; i < authorities.length; i++) {\n if (authorities[i] == target) {\n authorities[i] = authorities[authorities.length - 1];\n authorities.length -= 1;\n break;\n }\n }\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n require(\n index < authorities.length,\n \"INDEX_OUT_OF_BOUNDS\"\n );\n require(\n authorities[index] == target,\n \"AUTHORIZED_ADDRESS_MISMATCH\"\n );\n\n delete authorized[target];\n authorities[index] = authorities[authorities.length - 1];\n authorities.length -= 1;\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory)\n {\n return authorities;\n }\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IAuthorizable.sol\";\n\n\ncontract IAssetProxy is\n IAuthorizable\n{\n /// @dev Transfers assets. Either succeeds or throws.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n function transferFrom(\n bytes assetData,\n address from,\n address to,\n uint256 amount\n )\n external;\n \n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4);\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/Ownable/IOwnable.sol\";\n\n\ncontract IAuthorizable is\n IOwnable\n{\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external;\n \n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory);\n}\n", + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAuthorizable.sol\";\n\n\ncontract MAuthorizable is\n IAuthorizable\n{\n // Event logged when a new address is authorized.\n event AuthorizedAddressAdded(\n address indexed target,\n address indexed caller\n );\n\n // Event logged when a currently authorized address is unauthorized.\n event AuthorizedAddressRemoved(\n address indexed target,\n address indexed caller\n );\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized { revert(); _; }\n}\n", + "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../multisig/MultiSigWalletWithTimeLock.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract AssetProxyOwner is\n MultiSigWalletWithTimeLock\n{\n using LibBytes for bytes;\n\n event AssetProxyRegistration(address assetProxyContract, bool isRegistered);\n\n // Mapping of AssetProxy contract address =>\n // if this contract is allowed to call the AssetProxy's `removeAuthorizedAddressAtIndex` method without a time lock.\n mapping (address => bool) public isAssetProxyRegistered;\n\n bytes4 constant internal REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR = bytes4(keccak256(\"removeAuthorizedAddressAtIndex(address,uint256)\"));\n\n /// @dev Function will revert if the transaction does not call `removeAuthorizedAddressAtIndex`\n /// on an approved AssetProxy contract.\n modifier validRemoveAuthorizedAddressAtIndexTx(uint256 transactionId) {\n Transaction storage txn = transactions[transactionId];\n require(\n isAssetProxyRegistered[txn.destination],\n \"UNREGISTERED_ASSET_PROXY\"\n );\n require(\n txn.data.readBytes4(0) == REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR,\n \"INVALID_FUNCTION_SELECTOR\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations,\n /// time lock, and list of AssetProxy addresses.\n /// @param _owners List of initial owners.\n /// @param _assetProxyContracts Array of AssetProxy contract addresses.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] memory _owners,\n address[] memory _assetProxyContracts,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWalletWithTimeLock(_owners, _required, _secondsTimeLocked)\n {\n for (uint256 i = 0; i < _assetProxyContracts.length; i++) {\n address assetProxy = _assetProxyContracts[i];\n require(\n assetProxy != address(0),\n \"INVALID_ASSET_PROXY\"\n );\n isAssetProxyRegistered[assetProxy] = true;\n }\n }\n\n /// @dev Registers or deregisters an AssetProxy to be able to execute\n /// `removeAuthorizedAddressAtIndex` without a timelock.\n /// @param assetProxyContract Address of AssetProxy contract.\n /// @param isRegistered Status of approval for AssetProxy contract.\n function registerAssetProxy(address assetProxyContract, bool isRegistered)\n public\n onlyWallet\n notNull(assetProxyContract)\n {\n isAssetProxyRegistered[assetProxyContract] = isRegistered;\n emit AssetProxyRegistration(assetProxyContract, isRegistered);\n }\n\n /// @dev Allows execution of `removeAuthorizedAddressAtIndex` without time lock.\n /// @param transactionId Transaction ID.\n function executeRemoveAuthorizedAddressAtIndex(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n validRemoveAuthorizedAddressAtIndexTx(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n}\n", + "2.0.0/protocol/Exchange/Exchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinExchangeCore.sol\";\nimport \"./MixinSignatureValidator.sol\";\nimport \"./MixinWrapperFunctions.sol\";\nimport \"./MixinAssetProxyDispatcher.sol\";\nimport \"./MixinTransactions.sol\";\nimport \"./MixinMatchOrders.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Exchange is\n MixinExchangeCore,\n MixinMatchOrders,\n MixinSignatureValidator,\n MixinTransactions,\n MixinAssetProxyDispatcher,\n MixinWrapperFunctions\n{\n string constant public VERSION = \"2.0.1-alpha\";\n\n // Mixins are instantiated in the order they are inherited\n constructor (bytes memory _zrxAssetData)\n public\n LibConstants(_zrxAssetData) // @TODO: Remove when we deploy.\n MixinExchangeCore()\n MixinMatchOrders()\n MixinSignatureValidator()\n MixinTransactions()\n MixinAssetProxyDispatcher()\n MixinWrapperFunctions()\n {}\n}\n", + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\nimport \"../AssetProxy/interfaces/IAssetProxy.sol\";\n\n\ncontract MixinAssetProxyDispatcher is\n Ownable,\n MAssetProxyDispatcher\n{\n // Mapping from Asset Proxy Id's to their respective Asset Proxy\n mapping (bytes4 => IAssetProxy) public assetProxies;\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external\n onlyOwner\n {\n IAssetProxy assetProxyContract = IAssetProxy(assetProxy);\n\n // Ensure that no asset proxy exists with current id.\n bytes4 assetProxyId = assetProxyContract.getProxyId();\n address currentAssetProxy = assetProxies[assetProxyId];\n require(\n currentAssetProxy == address(0),\n \"ASSET_PROXY_ALREADY_EXISTS\"\n );\n\n // Add asset proxy and log registration.\n assetProxies[assetProxyId] = assetProxyContract;\n emit AssetProxyRegistered(\n assetProxyId,\n assetProxy\n );\n }\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address)\n {\n return assetProxies[assetProxyId];\n }\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal\n {\n // Do nothing if no amount should be transferred.\n if (amount > 0 && from != to) {\n // Ensure assetData length is valid\n require(\n assetData.length > 3,\n \"LENGTH_GREATER_THAN_3_REQUIRED\"\n );\n \n // Lookup assetProxy. We do not use `LibBytes.readBytes4` for gas efficiency reasons.\n bytes4 assetProxyId;\n assembly {\n assetProxyId := and(mload(\n add(assetData, 32)),\n 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000\n )\n }\n address assetProxy = assetProxies[assetProxyId];\n\n // Ensure that assetProxy exists\n require(\n assetProxy != address(0),\n \"ASSET_PROXY_DOES_NOT_EXIST\"\n );\n \n // We construct calldata for the `assetProxy.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n\n assembly {\n /////// Setup State ///////\n // `cdStart` is the start of the calldata for `assetProxy.transferFrom` (equal to free memory ptr).\n let cdStart := mload(64)\n // `dataAreaLength` is the total number of words needed to store `assetData`\n // As-per the ABI spec, this value is padded up to the nearest multiple of 32,\n // and includes 32-bytes for length.\n let dataAreaLength := and(add(mload(assetData), 63), 0xFFFFFFFFFFFE0)\n // `cdEnd` is the end of the calldata for `assetProxy.transferFrom`.\n let cdEnd := add(cdStart, add(132, dataAreaLength))\n\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFromSelector`.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes.\n // Notes:\n // 1. The offset to `assetData` is the length of the Params Area (128 bytes).\n // 2. A 20-byte mask is applied to addresses to zero-out the unused bytes.\n mstore(add(cdStart, 4), 128)\n mstore(add(cdStart, 36), and(from, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 68), and(to, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 100), amount)\n \n /////// Setup Data Area ///////\n // This area holds `assetData`.\n let dataArea := add(cdStart, 132)\n // solhint-disable-next-line no-empty-blocks\n for {} lt(dataArea, cdEnd) {} {\n mstore(dataArea, mload(assetData))\n dataArea := add(dataArea, 32)\n assetData := add(assetData, 32)\n }\n\n /////// Call `assetProxy.transferFrom` using the constructed calldata ///////\n let success := call(\n gas, // forward all gas\n assetProxy, // call address of asset proxy\n 0, // don't send any ETH\n cdStart, // pointer to start of input\n sub(cdEnd, cdStart), // length of input \n cdStart, // write output over input\n 512 // reserve 512 bytes for output\n )\n if iszero(success) {\n revert(cdStart, returndatasize())\n }\n }\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinExchangeCore is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n LibOrder,\n LibFillResults,\n MAssetProxyDispatcher,\n MExchangeCore,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of orderHash => amount of takerAsset already bought by maker\n mapping (bytes32 => uint256) public filled;\n\n // Mapping of orderHash => cancelled\n mapping (bytes32 => bool) public cancelled;\n\n // Mapping of makerAddress => senderAddress => lowest salt an order can have in order to be fillable\n // Orders with specified senderAddress and with a salt less than their epoch are considered cancelled\n mapping (address => mapping (address => uint256)) public orderEpoch;\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external\n nonReentrant\n {\n address makerAddress = getCurrentContextAddress();\n // If this function is called via `executeTransaction`, we only update the orderEpoch for the makerAddress/msg.sender combination.\n // This allows external filter contracts to add rules to how orders are cancelled via this function.\n address senderAddress = makerAddress == msg.sender ? address(0) : msg.sender;\n\n // orderEpoch is initialized to 0, so to cancelUpTo we need salt + 1\n uint256 newOrderEpoch = targetOrderEpoch + 1; \n uint256 oldOrderEpoch = orderEpoch[makerAddress][senderAddress];\n\n // Ensure orderEpoch is monotonically increasing\n require(\n newOrderEpoch > oldOrderEpoch, \n \"INVALID_NEW_ORDER_EPOCH\"\n );\n\n // Update orderEpoch\n orderEpoch[makerAddress][senderAddress] = newOrderEpoch;\n emit CancelUpTo(\n makerAddress,\n senderAddress,\n newOrderEpoch\n );\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrder(Order memory order)\n public\n nonReentrant\n {\n cancelOrderInternal(order);\n }\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(Order memory order)\n public\n view\n returns (OrderInfo memory orderInfo)\n {\n // Compute the order hash\n orderInfo.orderHash = getOrderHash(order);\n\n // Fetch filled amount\n orderInfo.orderTakerAssetFilledAmount = filled[orderInfo.orderHash];\n\n // If order.makerAssetAmount is zero, we also reject the order.\n // While the Exchange contract handles them correctly, they create\n // edge cases in the supporting infrastructure because they have\n // an 'infinite' price when computed by a simple division.\n if (order.makerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_MAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // If order.takerAssetAmount is zero, then the order will always\n // be considered filled because 0 == takerAssetAmount == orderTakerAssetFilledAmount\n // Instead of distinguishing between unfilled and filled zero taker\n // amount orders, we choose not to support them.\n if (order.takerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_TAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // Validate order availability\n if (orderInfo.orderTakerAssetFilledAmount >= order.takerAssetAmount) {\n orderInfo.orderStatus = uint8(OrderStatus.FULLY_FILLED);\n return orderInfo;\n }\n\n // Validate order expiration\n // solhint-disable-next-line not-rely-on-time\n if (block.timestamp >= order.expirationTimeSeconds) {\n orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);\n return orderInfo;\n }\n\n // Check if order has been cancelled\n if (cancelled[orderInfo.orderHash]) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n if (orderEpoch[order.makerAddress][order.senderAddress] > order.salt) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n\n // All other statuses are ruled out: order is Fillable\n orderInfo.orderStatus = uint8(OrderStatus.FILLABLE);\n return orderInfo;\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // Fetch order info\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Assert that the order is fillable by taker\n assertFillableOrder(\n order,\n orderInfo,\n takerAddress,\n signature\n );\n \n // Get amount of takerAsset to fill\n uint256 remainingTakerAssetAmount = safeSub(order.takerAssetAmount, orderInfo.orderTakerAssetFilledAmount);\n uint256 takerAssetFilledAmount = min256(takerAssetFillAmount, remainingTakerAssetAmount);\n\n // Validate context\n assertValidFill(\n order,\n orderInfo,\n takerAssetFillAmount,\n takerAssetFilledAmount,\n fillResults.makerAssetFilledAmount\n );\n\n // Compute proportional fill amounts\n fillResults = calculateFillResults(order, takerAssetFilledAmount);\n\n // Update exchange internal state\n updateFilledState(\n order,\n takerAddress,\n orderInfo.orderHash,\n orderInfo.orderTakerAssetFilledAmount,\n fillResults\n );\n \n // Settle order\n settleOrder(\n order,\n takerAddress,\n fillResults\n );\n\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrderInternal(Order memory order)\n internal\n {\n // Fetch current order status\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Validate context\n assertValidCancel(order, orderInfo);\n\n // Perform cancel\n updateCancelledState(order, orderInfo.orderHash);\n }\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n function updateFilledState(\n Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n FillResults memory fillResults\n )\n internal\n {\n // Update state\n filled[orderHash] = safeAdd(orderTakerAssetFilledAmount, fillResults.takerAssetFilledAmount);\n\n // Log order\n emit Fill(\n order.makerAddress,\n order.feeRecipientAddress,\n takerAddress,\n msg.sender,\n fillResults.makerAssetFilledAmount,\n fillResults.takerAssetFilledAmount,\n fillResults.makerFeePaid,\n fillResults.takerFeePaid,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n Order memory order,\n bytes32 orderHash\n )\n internal\n {\n // Perform cancel\n cancelled[orderHash] = true;\n\n // Log cancel\n emit Cancel(\n order.makerAddress,\n order.feeRecipientAddress,\n msg.sender,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n Order memory order,\n OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view\n {\n // An order can only be filled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n \n // Validate sender is allowed to fill this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n \n // Validate taker is allowed to fill this order\n if (order.takerAddress != address(0)) {\n require(\n order.takerAddress == takerAddress,\n \"INVALID_TAKER\"\n );\n }\n \n // Validate Maker signature (check only if first time seen)\n if (orderInfo.orderTakerAssetFilledAmount == 0) {\n require(\n isValidSignature(\n orderInfo.orderHash,\n order.makerAddress,\n signature\n ),\n \"INVALID_ORDER_SIGNATURE\"\n );\n }\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n Order memory order,\n OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount, // TODO: use FillResults\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view\n {\n // Revert if fill amount is invalid\n // TODO: reconsider necessity for v2.1\n require(\n takerAssetFillAmount != 0,\n \"INVALID_TAKER_AMOUNT\"\n );\n \n // Make sure taker does not pay more than desired amount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n takerAssetFilledAmount <= takerAssetFillAmount,\n \"TAKER_OVERPAY\"\n );\n \n // Make sure order is not overfilled\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeAdd(orderInfo.orderTakerAssetFilledAmount, takerAssetFilledAmount) <= order.takerAssetAmount,\n \"ORDER_OVERFILL\"\n );\n \n // Make sure order is filled at acceptable price.\n // The order has an implied price from the makers perspective:\n // order price = order.makerAssetAmount / order.takerAssetAmount\n // i.e. the number of makerAsset maker is paying per takerAsset. The\n // maker is guaranteed to get this price or a better (lower) one. The\n // actual price maker is getting in this fill is:\n // fill price = makerAssetFilledAmount / takerAssetFilledAmount\n // We need `fill price <= order price` for the fill to be fair to maker.\n // This amounts to:\n // makerAssetFilledAmount order.makerAssetAmount\n // ------------------------ <= -----------------------\n // takerAssetFilledAmount order.takerAssetAmount\n // or, equivalently:\n // makerAssetFilledAmount * order.takerAssetAmount <=\n // order.makerAssetAmount * takerAssetFilledAmount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeMul(makerAssetFilledAmount, order.takerAssetAmount)\n <= \n safeMul(order.makerAssetAmount, takerAssetFilledAmount),\n \"INVALID_FILL_PRICE\"\n );\n }\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n Order memory order,\n OrderInfo memory orderInfo\n )\n internal\n view\n {\n // Ensure order is valid\n // An order can only be cancelled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Validate sender is allowed to cancel this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate transaction signed by maker\n address makerAddress = getCurrentContextAddress();\n require(\n order.makerAddress == makerAddress,\n \"INVALID_MAKER\"\n );\n }\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (FillResults memory fillResults)\n {\n // Compute proportional transfer amounts\n fillResults.takerAssetFilledAmount = takerAssetFilledAmount;\n fillResults.makerAssetFilledAmount = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n );\n fillResults.makerFeePaid = safeGetPartialAmountFloor(\n fillResults.makerAssetFilledAmount,\n order.makerAssetAmount,\n order.makerFee\n );\n fillResults.takerFeePaid = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.takerFee\n );\n\n return fillResults;\n }\n\n /// @dev Settles an order by transferring assets between counterparties.\n /// @param order Order struct containing order specifications.\n /// @param takerAddress Address selling takerAsset and buying makerAsset.\n /// @param fillResults Amounts to be filled and fees paid by maker and taker.\n function settleOrder(\n LibOrder.Order memory order,\n address takerAddress,\n LibFillResults.FillResults memory fillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n dispatchTransferFrom(\n order.makerAssetData,\n order.makerAddress,\n takerAddress,\n fillResults.makerAssetFilledAmount\n );\n dispatchTransferFrom(\n order.takerAssetData,\n takerAddress,\n order.makerAddress,\n fillResults.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n zrxAssetData,\n order.makerAddress,\n order.feeRecipientAddress,\n fillResults.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n order.feeRecipientAddress,\n fillResults.takerFeePaid\n );\n }\n}\n", + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": "/*\n Copyright 2018 ZeroEx Intl.\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n http://www.apache.org/licenses/LICENSE-2.0\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MMatchOrders.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinMatchOrders is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n MAssetProxyDispatcher,\n MExchangeCore,\n MMatchOrders,\n MTransactions\n{\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n nonReentrant\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We assume that rightOrder.takerAssetData == leftOrder.makerAssetData and rightOrder.makerAssetData == leftOrder.takerAssetData.\n // If this assumption isn't true, the match will fail at signature validation.\n rightOrder.makerAssetData = leftOrder.takerAssetData;\n rightOrder.takerAssetData = leftOrder.makerAssetData;\n\n // Get left & right order info\n LibOrder.OrderInfo memory leftOrderInfo = getOrderInfo(leftOrder);\n LibOrder.OrderInfo memory rightOrderInfo = getOrderInfo(rightOrder);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Either our context is valid or we revert\n assertFillableOrder(\n leftOrder,\n leftOrderInfo,\n takerAddress,\n leftSignature\n );\n assertFillableOrder(\n rightOrder,\n rightOrderInfo,\n takerAddress,\n rightSignature\n );\n assertValidMatch(leftOrder, rightOrder);\n\n // Compute proportional fill amounts\n matchedFillResults = calculateMatchedFillResults(\n leftOrder,\n rightOrder,\n leftOrderInfo.orderTakerAssetFilledAmount,\n rightOrderInfo.orderTakerAssetFilledAmount\n );\n\n // Validate fill contexts\n assertValidFill(\n leftOrder,\n leftOrderInfo,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.makerAssetFilledAmount\n );\n assertValidFill(\n rightOrder,\n rightOrderInfo,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n \n // Update exchange state\n updateFilledState(\n leftOrder,\n takerAddress,\n leftOrderInfo.orderHash,\n leftOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.left\n );\n updateFilledState(\n rightOrder,\n takerAddress,\n rightOrderInfo.orderHash,\n rightOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.right\n );\n\n // Settle matched orders. Succeeds or throws.\n settleMatchedOrders(\n leftOrder,\n rightOrder,\n takerAddress,\n matchedFillResults\n );\n\n return matchedFillResults;\n }\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure\n {\n // Make sure there is a profitable spread.\n // There is a profitable spread iff the cost per unit bought (OrderA.MakerAmount/OrderA.TakerAmount) for each order is greater\n // than the profit per unit sold of the matched order (OrderB.TakerAmount/OrderB.MakerAmount).\n // This is satisfied by the equations below:\n // / >= / \n // AND\n // / >= / \n // These equations can be combined to get the following:\n require(\n safeMul(leftOrder.makerAssetAmount, rightOrder.makerAssetAmount) >=\n safeMul(leftOrder.takerAssetAmount, rightOrder.takerAssetAmount),\n \"NEGATIVE_SPREAD_REQUIRED\"\n );\n }\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // Derive maker asset amounts for left & right orders, given store taker assert amounts\n uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);\n uint256 leftMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n leftTakerAssetAmountRemaining\n );\n uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);\n uint256 rightMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n rightOrder.makerAssetAmount,\n rightOrder.takerAssetAmount,\n rightTakerAssetAmountRemaining\n );\n\n // Calculate fill results for maker and taker assets: at least one order will be fully filled.\n // The maximum amount the left maker can buy is `leftTakerAssetAmountRemaining`\n // The maximum amount the right maker can sell is `rightMakerAssetAmountRemaining`\n // We have two distinct cases for calculating the fill results:\n // Case 1.\n // If the left maker can buy more than the right maker can sell, then only the right order is fully filled.\n // If the left maker can buy exactly what the right maker can sell, then both orders are fully filled.\n // Case 2.\n // If the left maker cannot buy more than the right maker can sell, then only the left order is fully filled.\n if (leftTakerAssetAmountRemaining >= rightMakerAssetAmountRemaining) {\n // Case 1: Right order is fully filled\n matchedFillResults.right.makerAssetFilledAmount = rightMakerAssetAmountRemaining;\n matchedFillResults.right.takerAssetFilledAmount = rightTakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = matchedFillResults.right.makerAssetFilledAmount;\n // Round down to ensure the maker's exchange rate does not exceed the price specified by the order. \n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.left.makerAssetFilledAmount = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n matchedFillResults.left.takerAssetFilledAmount\n );\n } else {\n // Case 2: Left order is fully filled\n matchedFillResults.left.makerAssetFilledAmount = leftMakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = leftTakerAssetAmountRemaining;\n matchedFillResults.right.makerAssetFilledAmount = matchedFillResults.left.takerAssetFilledAmount;\n // Round up to ensure the maker's exchange rate does not exceed the price specified by the order.\n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.right.takerAssetFilledAmount = safeGetPartialAmountCeil(\n rightOrder.takerAssetAmount,\n rightOrder.makerAssetAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n }\n\n // Calculate amount given to taker\n matchedFillResults.leftMakerAssetSpreadAmount = safeSub(\n matchedFillResults.left.makerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount\n );\n\n // Compute fees for left order\n matchedFillResults.left.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.makerAssetFilledAmount,\n leftOrder.makerAssetAmount,\n leftOrder.makerFee\n );\n matchedFillResults.left.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.takerAssetFilledAmount,\n leftOrder.takerAssetAmount,\n leftOrder.takerFee\n );\n\n // Compute fees for right order\n matchedFillResults.right.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.makerAssetFilledAmount,\n rightOrder.makerAssetAmount,\n rightOrder.makerFee\n );\n matchedFillResults.right.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.takerAssetFilledAmount,\n rightOrder.takerAssetAmount,\n rightOrder.takerFee\n );\n\n // Return fill results\n return matchedFillResults;\n }\n\n /// @dev Settles matched order by transferring appropriate funds between order makers, taker, and fee recipient.\n /// @param leftOrder First matched order.\n /// @param rightOrder Second matched order.\n /// @param takerAddress Address that matched the orders. The taker receives the spread between orders as profit.\n /// @param matchedFillResults Struct holding amounts to transfer between makers, taker, and fee recipients.\n function settleMatchedOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n address takerAddress,\n LibFillResults.MatchedFillResults memory matchedFillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n // Order makers and taker\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n rightOrder.makerAddress,\n matchedFillResults.right.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n rightOrder.makerAssetData,\n rightOrder.makerAddress,\n leftOrder.makerAddress,\n matchedFillResults.left.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n takerAddress,\n matchedFillResults.leftMakerAssetSpreadAmount\n );\n\n // Maker fees\n dispatchTransferFrom(\n zrxAssetData,\n leftOrder.makerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n rightOrder.makerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.makerFeePaid\n );\n\n // Taker fees\n if (leftOrder.feeRecipientAddress == rightOrder.feeRecipientAddress) {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n safeAdd(\n matchedFillResults.left.takerFeePaid,\n matchedFillResults.right.takerFeePaid\n )\n );\n } else {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.takerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.takerFeePaid\n );\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./interfaces/IWallet.sol\";\nimport \"./interfaces/IValidator.sol\";\n\n\ncontract MixinSignatureValidator is\n ReentrancyGuard,\n MSignatureValidator,\n MTransactions\n{\n using LibBytes for bytes;\n \n // Mapping of hash => signer => signed\n mapping (bytes32 => mapping (address => bool)) public preSigned;\n\n // Mapping of signer => validator => approved\n mapping (address => mapping (address => bool)) public allowedValidators;\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n {\n if (signerAddress != msg.sender) {\n require(\n isValidSignature(\n hash,\n signerAddress,\n signature\n ),\n \"INVALID_SIGNATURE\"\n );\n }\n preSigned[hash][signerAddress] = true;\n }\n\n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external\n nonReentrant\n {\n address signerAddress = getCurrentContextAddress();\n allowedValidators[signerAddress][validatorAddress] = approval;\n emit SignatureValidatorApproval(\n signerAddress,\n validatorAddress,\n approval\n );\n }\n\n /// @dev Verifies that a hash has been signed by the given signer.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid)\n {\n require(\n signature.length > 0,\n \"LENGTH_GREATER_THAN_0_REQUIRED\"\n );\n\n // Pop last byte off of signature byte array.\n uint8 signatureTypeRaw = uint8(signature.popLastByte());\n\n // Ensure signature is supported\n require(\n signatureTypeRaw < uint8(SignatureType.NSignatureTypes),\n \"SIGNATURE_UNSUPPORTED\"\n );\n\n SignatureType signatureType = SignatureType(signatureTypeRaw);\n\n // Variables are not scoped in Solidity.\n uint8 v;\n bytes32 r;\n bytes32 s;\n address recovered;\n\n // Always illegal signature.\n // This is always an implicit option since a signer can create a\n // signature array with invalid type or length. We may as well make\n // it an explicit option. This aids testing and analysis. It is\n // also the initialization value for the enum type.\n if (signatureType == SignatureType.Illegal) {\n revert(\"SIGNATURE_ILLEGAL\");\n\n // Always invalid signature.\n // Like Illegal, this is always implicitly available and therefore\n // offered explicitly. It can be implicitly created by providing\n // a correctly formatted but incorrect signature.\n } else if (signatureType == SignatureType.Invalid) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = false;\n return isValid;\n\n // Signature using EIP712\n } else if (signatureType == SignatureType.EIP712) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n hash,\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signed using web3.eth_sign\n } else if (signatureType == SignatureType.EthSign) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n32\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signature verified by wallet contract.\n // If used with an order, the maker of the order is the wallet contract.\n } else if (signatureType == SignatureType.Wallet) {\n isValid = isValidWalletSignature(\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signature verified by validator contract.\n // If used with an order, the maker of the order can still be an EOA.\n // A signature using this type should be encoded as:\n // | Offset | Length | Contents |\n // | 0x00 | x | Signature to validate |\n // | 0x00 + x | 20 | Address of validator contract |\n // | 0x14 + x | 1 | Signature type is always \"\\x06\" |\n } else if (signatureType == SignatureType.Validator) {\n // Pop last 20 bytes off of signature byte array.\n address validatorAddress = signature.popLast20Bytes();\n \n // Ensure signer has approved validator.\n if (!allowedValidators[signerAddress][validatorAddress]) {\n return false;\n }\n isValid = isValidValidatorSignature(\n validatorAddress,\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signer signed hash previously using the preSign function.\n } else if (signatureType == SignatureType.PreSigned) {\n isValid = preSigned[hash][signerAddress];\n return isValid;\n }\n\n // Anything else is illegal (We do not return false because\n // the signature may actually be valid, just not in a format\n // that we currently support. In this case returning false\n // may lead the caller to incorrectly believe that the\n // signature was invalid.)\n revert(\"SIGNATURE_UNSUPPORTED\");\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if signature is valid for given wallet..\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IWallet(walletAddress).isValidSignature.selector,\n hash,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n walletAddress, // address of Wallet contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"WALLET_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000c57414c4c45545f4552524f5200000000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IValidator(signerAddress).isValidSignature.selector,\n hash,\n signerAddress,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n validatorAddress, // address of Validator contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"VALIDATOR_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f56414c494441544f525f4552524f5200000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n}\n", + "2.0.0/protocol/Exchange/MixinTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"./libs/LibExchangeErrors.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./libs/LibEIP712.sol\";\n\n\ncontract MixinTransactions is\n LibEIP712,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of transaction hash => executed\n // This prevents transactions from being executed more than once.\n mapping (bytes32 => bool) public transactions;\n\n // Address of current transaction signer\n address public currentContextAddress;\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external\n {\n // Prevent reentrancy\n require(\n currentContextAddress == address(0),\n \"REENTRANCY_ILLEGAL\"\n );\n\n bytes32 transactionHash = hashEIP712Message(hashZeroExTransaction(\n salt,\n signerAddress,\n data\n ));\n\n // Validate transaction has not been executed\n require(\n !transactions[transactionHash],\n \"INVALID_TX_HASH\"\n );\n\n // Transaction always valid if signer is sender of transaction\n if (signerAddress != msg.sender) {\n // Validate signature\n require(\n isValidSignature(\n transactionHash,\n signerAddress,\n signature\n ),\n \"INVALID_TX_SIGNATURE\"\n );\n\n // Set the current transaction signer\n currentContextAddress = signerAddress;\n }\n\n // Execute transaction\n transactions[transactionHash] = true;\n require(\n address(this).delegatecall(data),\n \"FAILED_EXECUTION\"\n );\n\n // Reset current transaction signer if it was previously updated\n if (signerAddress != msg.sender) {\n currentContextAddress = address(0);\n }\n }\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;\n bytes32 dataHash = keccak256(data);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,\n // salt,\n // bytes32(signerAddress),\n // keccak256(data)\n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, schemaHash) // hash of schema\n mstore(add(memPtr, 32), salt) // salt\n mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff)) // signerAddress\n mstore(add(memPtr, 96), dataHash) // hash of data\n\n // Compute hash\n result := keccak256(memPtr, 128)\n }\n return result;\n }\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address)\n {\n address currentContextAddress_ = currentContextAddress;\n address contextAddress = currentContextAddress_ == address(0) ? msg.sender : currentContextAddress_;\n return contextAddress;\n }\n}\n", + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibAbiEncoder.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MWrapperFunctions.sol\";\n\n\ncontract MixinWrapperFunctions is\n ReentrancyGuard,\n LibMath,\n LibFillResults,\n LibAbiEncoder,\n MExchangeCore,\n MWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrKillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n // Delegate to `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := delegatecall(\n gas, // forward all gas\n address, // call address of this contract\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrKillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n \n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public\n nonReentrant\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n cancelOrderInternal(orders[i]);\n }\n }\n\n /// @dev Fetches information for all passed in orders.\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n LibOrder.OrderInfo[] memory ordersInfo = new LibOrder.OrderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n ordersInfo[i] = getOrderInfo(orders[i]);\n }\n return ordersInfo;\n }\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n require(\n fillResults.takerAssetFilledAmount == takerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return fillResults;\n }\n}\n", + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssetProxyDispatcher {\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external;\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./IExchangeCore.sol\";\nimport \"./IMatchOrders.sol\";\nimport \"./ISignatureValidator.sol\";\nimport \"./ITransactions.sol\";\nimport \"./IAssetProxyDispatcher.sol\";\nimport \"./IWrapperFunctions.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract IExchange is\n IExchangeCore,\n IMatchOrders,\n ISignatureValidator,\n ITransactions,\n IAssetProxyDispatcher,\n IWrapperFunctions\n{}\n", + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IExchangeCore {\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external;\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrder(LibOrder.Order memory order)\n public;\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(LibOrder.Order memory order)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IMatchOrders {\n\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ISignatureValidator {\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external;\n \n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external;\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address of signer.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\n\ncontract ITransactions {\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external;\n}\n", + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IValidator {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IWallet {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IWrapperFunctions {\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public;\n\n /// @dev Fetches information for all passed in orders\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory);\n}\n", + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./LibOrder.sol\";\n\n\ncontract LibAbiEncoder {\n\n /// @dev ABI encodes calldata for `fillOrder`.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return ABI encoded calldata for `fillOrder`.\n function abiEncodeFillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n pure\n returns (bytes memory fillOrderCalldata)\n {\n // We need to call MExchangeCore.fillOrder using a delegatecall in\n // assembly so that we can intercept a call that throws. For this, we\n // need the input encoded in memory in the Ethereum ABIv2 format [1].\n\n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0x00 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 0x00 | | 1. offset to order (*) |\n // | | 0x20 | | 2. takerAssetFillAmount |\n // | | 0x40 | | 3. offset to signature (*) |\n // | Data | | 12 * 32 | order: |\n // | | 0x000 | | 1. senderAddress |\n // | | 0x020 | | 2. makerAddress |\n // | | 0x040 | | 3. takerAddress |\n // | | 0x060 | | 4. feeRecipientAddress |\n // | | 0x080 | | 5. makerAssetAmount |\n // | | 0x0A0 | | 6. takerAssetAmount |\n // | | 0x0C0 | | 7. makerFeeAmount |\n // | | 0x0E0 | | 8. takerFeeAmount |\n // | | 0x100 | | 9. expirationTimeSeconds |\n // | | 0x120 | | 10. salt |\n // | | 0x140 | | 11. Offset to makerAssetData (*) |\n // | | 0x160 | | 12. Offset to takerAssetData (*) |\n // | | 0x180 | 32 | makerAssetData Length |\n // | | 0x1A0 | ** | makerAssetData Contents |\n // | | 0x1C0 | 32 | takerAssetData Length |\n // | | 0x1E0 | ** | takerAssetData Contents |\n // | | 0x200 | 32 | signature Length |\n // | | 0x220 | ** | signature Contents |\n\n // * Offsets are calculated from the beginning of the current area: Header, Params, Data:\n // An offset stored in the Params area is calculated from the beginning of the Params section.\n // An offset stored in the Data area is calculated from the beginning of the Data section.\n\n // ** The length of dynamic array contents are stored in the field immediately preceeding the contents.\n\n // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html\n\n assembly {\n\n // Areas below may use the following variables:\n // 1. Start -- Start of this area in memory\n // 2. End -- End of this area in memory. This value may\n // be precomputed (before writing contents),\n // or it may be computed as contents are written.\n // 3. Offset -- Current offset into area. If an area's End\n // is precomputed, this variable tracks the\n // offsets of contents as they are written.\n\n /////// Setup Header Area ///////\n // Load free memory pointer\n fillOrderCalldata := mload(0x40)\n // bytes4(keccak256(\"fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)\"))\n // = 0xb4be83d5\n // Leave 0x20 bytes to store the length\n mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000)\n let headerAreaEnd := add(fillOrderCalldata, 0x24)\n\n /////// Setup Params Area ///////\n // This area is preallocated and written to later.\n // This is because we need to fill in offsets that have not yet been calculated.\n let paramsAreaStart := headerAreaEnd\n let paramsAreaEnd := add(paramsAreaStart, 0x60)\n let paramsAreaOffset := paramsAreaStart\n\n /////// Setup Data Area ///////\n let dataAreaStart := paramsAreaEnd\n let dataAreaEnd := dataAreaStart\n\n // Offset from the source data we're reading from\n let sourceOffset := order\n // arrayLenBytes and arrayLenWords track the length of a dynamically-allocated bytes array.\n let arrayLenBytes := 0\n let arrayLenWords := 0\n\n /////// Write order Struct ///////\n // Write memory location of Order, relative to the start of the\n // parameter list, then increment the paramsAreaOffset respectively.\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n // Write values for each field in the order\n // It would be nice to use a loop, but we save on gas by writing\n // the stores sequentially.\n mstore(dataAreaEnd, mload(sourceOffset)) // makerAddress\n mstore(add(dataAreaEnd, 0x20), mload(add(sourceOffset, 0x20))) // takerAddress\n mstore(add(dataAreaEnd, 0x40), mload(add(sourceOffset, 0x40))) // feeRecipientAddress\n mstore(add(dataAreaEnd, 0x60), mload(add(sourceOffset, 0x60))) // senderAddress\n mstore(add(dataAreaEnd, 0x80), mload(add(sourceOffset, 0x80))) // makerAssetAmount\n mstore(add(dataAreaEnd, 0xA0), mload(add(sourceOffset, 0xA0))) // takerAssetAmount\n mstore(add(dataAreaEnd, 0xC0), mload(add(sourceOffset, 0xC0))) // makerFeeAmount\n mstore(add(dataAreaEnd, 0xE0), mload(add(sourceOffset, 0xE0))) // takerFeeAmount\n mstore(add(dataAreaEnd, 0x100), mload(add(sourceOffset, 0x100))) // expirationTimeSeconds\n mstore(add(dataAreaEnd, 0x120), mload(add(sourceOffset, 0x120))) // salt\n mstore(add(dataAreaEnd, 0x140), mload(add(sourceOffset, 0x140))) // Offset to makerAssetData\n mstore(add(dataAreaEnd, 0x160), mload(add(sourceOffset, 0x160))) // Offset to takerAssetData\n dataAreaEnd := add(dataAreaEnd, 0x180)\n sourceOffset := add(sourceOffset, 0x180)\n\n // Write offset to \n mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x140)) // makerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Write offset to \n mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x160)) // takerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n /////// Write takerAssetFillAmount ///////\n mstore(paramsAreaOffset, takerAssetFillAmount)\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n /////// Write signature ///////\n // Write offset to paramsArea\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n\n // Calculate length of signature\n sourceOffset := signature\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of signature\n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of signature\n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Set length of calldata\n mstore(fillOrderCalldata, sub(dataAreaEnd, add(fillOrderCalldata, 0x20)))\n\n // Increment free memory pointer\n mstore(0x40, dataAreaEnd)\n }\n\n return fillOrderCalldata;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\n// solhint-disable max-line-length\ncontract LibConstants {\n \n // Asset data for ZRX token. Used for fee transfers.\n // @TODO: Hardcode constant when we deploy. Currently \n // not constant to make testing easier.\n\n // The proxyId for ZRX_ASSET_DATA is bytes4(keccak256(\"ERC20Token(address)\")) = 0xf47261b0\n \n // Kovan ZRX address is 0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570.\n // The ABI encoded proxyId and address is 0xf47261b00000000000000000000000006ff6c0ff1d68b964901f986d4c9fa3ac68346570\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x6f\\xf6\\xc0\\xff\\x1d\\x68\\xb9\\x64\\x90\\x1f\\x98\\x6d\\x4c\\x9f\\xa3\\xac\\x68\\x34\\x65\\x70\";\n \n // Mainnet ZRX address is 0xe41d2489571d322189246dafa5ebde1f4699f498.\n // The ABI encoded proxyId and address is 0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xe4\\x1d\\x24\\x89\\x57\\x1d\\x32\\x21\\x89\\x24\\x6d\\xaf\\xa5\\xeb\\xde\\x1f\\x46\\x99\\xf4\\x98\";\n \n // solhint-disable-next-line var-name-mixedcase\n bytes public ZRX_ASSET_DATA;\n\n // @TODO: Remove when we deploy.\n constructor (bytes memory zrxAssetData)\n public\n {\n ZRX_ASSET_DATA = zrxAssetData;\n }\n}\n// solhint-enable max-line-length\n", + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract LibEIP712 {\n\n // EIP191 header for EIP712 prefix\n string constant internal EIP191_HEADER = \"\\x19\\x01\";\n\n // EIP712 Domain Name value\n string constant internal EIP712_DOMAIN_NAME = \"0x Protocol\";\n\n // EIP712 Domain Version value\n string constant internal EIP712_DOMAIN_VERSION = \"2\";\n\n // Hash of the EIP712 Domain Separator Schema\n bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"EIP712Domain(\",\n \"string name,\",\n \"string version,\",\n \"address verifyingContract\",\n \")\"\n ));\n\n // Hash of the EIP712 Domain Separator data\n // solhint-disable-next-line var-name-mixedcase\n bytes32 public EIP712_DOMAIN_HASH;\n\n constructor ()\n public\n {\n EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(\n EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,\n keccak256(bytes(EIP712_DOMAIN_NAME)),\n keccak256(bytes(EIP712_DOMAIN_VERSION)),\n bytes32(address(this))\n ));\n }\n\n /// @dev Calculates EIP712 encoding for a hash struct in this EIP712 Domain.\n /// @param hashStruct The EIP712 hash struct.\n /// @return EIP712 hash applied to this EIP712 Domain.\n function hashEIP712Message(bytes32 hashStruct)\n internal\n view\n returns (bytes32 result)\n {\n bytes32 eip712DomainHash = EIP712_DOMAIN_HASH;\n\n // Assembly for more efficient computing:\n // keccak256(abi.encodePacked(\n // EIP191_HEADER,\n // EIP712_DOMAIN_HASH,\n // hashStruct \n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, 0x1901000000000000000000000000000000000000000000000000000000000000) // EIP191 header\n mstore(add(memPtr, 2), eip712DomainHash) // EIP712 domain hash\n mstore(add(memPtr, 34), hashStruct) // Hash of struct\n\n // Compute hash\n result := keccak256(memPtr, 66)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity 0.4.24;\n\n\n/// @dev This contract documents the revert reasons used in the Exchange contract.\n/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons.\ncontract LibExchangeErrors {\n\n /// Order validation errors ///\n string constant ORDER_UNFILLABLE = \"ORDER_UNFILLABLE\"; // Order cannot be filled.\n string constant INVALID_MAKER = \"INVALID_MAKER\"; // Invalid makerAddress.\n string constant INVALID_TAKER = \"INVALID_TAKER\"; // Invalid takerAddress.\n string constant INVALID_SENDER = \"INVALID_SENDER\"; // Invalid `msg.sender`.\n string constant INVALID_ORDER_SIGNATURE = \"INVALID_ORDER_SIGNATURE\"; // Signature validation failed. \n \n /// fillOrder validation errors ///\n string constant INVALID_TAKER_AMOUNT = \"INVALID_TAKER_AMOUNT\"; // takerAssetFillAmount cannot equal 0.\n string constant ROUNDING_ERROR = \"ROUNDING_ERROR\"; // Rounding error greater than 0.1% of takerAssetFillAmount. \n \n /// Signature validation errors ///\n string constant INVALID_SIGNATURE = \"INVALID_SIGNATURE\"; // Signature validation failed. \n string constant SIGNATURE_ILLEGAL = \"SIGNATURE_ILLEGAL\"; // Signature type is illegal.\n string constant SIGNATURE_UNSUPPORTED = \"SIGNATURE_UNSUPPORTED\"; // Signature type unsupported.\n \n /// cancelOrdersUptTo errors ///\n string constant INVALID_NEW_ORDER_EPOCH = \"INVALID_NEW_ORDER_EPOCH\"; // Specified salt must be greater than or equal to existing orderEpoch.\n\n /// fillOrKillOrder errors ///\n string constant COMPLETE_FILL_FAILED = \"COMPLETE_FILL_FAILED\"; // Desired takerAssetFillAmount could not be completely filled. \n\n /// matchOrders errors ///\n string constant NEGATIVE_SPREAD_REQUIRED = \"NEGATIVE_SPREAD_REQUIRED\"; // Matched orders must have a negative spread.\n\n /// Transaction errors ///\n string constant REENTRANCY_ILLEGAL = \"REENTRANCY_ILLEGAL\"; // Recursive reentrancy is not allowed. \n string constant INVALID_TX_HASH = \"INVALID_TX_HASH\"; // Transaction has already been executed. \n string constant INVALID_TX_SIGNATURE = \"INVALID_TX_SIGNATURE\"; // Signature validation failed. \n string constant FAILED_EXECUTION = \"FAILED_EXECUTION\"; // Transaction execution failed. \n \n /// registerAssetProxy errors ///\n string constant ASSET_PROXY_ALREADY_EXISTS = \"ASSET_PROXY_ALREADY_EXISTS\"; // AssetProxy with same id already exists.\n\n /// dispatchTransferFrom errors ///\n string constant ASSET_PROXY_DOES_NOT_EXIST = \"ASSET_PROXY_DOES_NOT_EXIST\"; // No assetProxy registered at given id.\n string constant TRANSFER_FAILED = \"TRANSFER_FAILED\"; // Asset transfer unsuccesful.\n\n /// Length validation errors ///\n string constant LENGTH_GREATER_THAN_0_REQUIRED = \"LENGTH_GREATER_THAN_0_REQUIRED\"; // Byte array must have a length greater than 0.\n string constant LENGTH_GREATER_THAN_3_REQUIRED = \"LENGTH_GREATER_THAN_3_REQUIRED\"; // Byte array must have a length greater than 3.\n string constant LENGTH_0_REQUIRED = \"LENGTH_0_REQUIRED\"; // Byte array must have a length of 0.\n string constant LENGTH_65_REQUIRED = \"LENGTH_65_REQUIRED\"; // Byte array must have a length of 65.\n}\n", + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibFillResults is\n SafeMath\n{\n struct FillResults {\n uint256 makerAssetFilledAmount; // Total amount of makerAsset(s) filled.\n uint256 takerAssetFilledAmount; // Total amount of takerAsset(s) filled.\n uint256 makerFeePaid; // Total amount of ZRX paid by maker(s) to feeRecipient(s).\n uint256 takerFeePaid; // Total amount of ZRX paid by taker to feeRecipients(s).\n }\n\n struct MatchedFillResults {\n FillResults left; // Amounts filled and fees paid of left order.\n FillResults right; // Amounts filled and fees paid of right order.\n uint256 leftMakerAssetSpreadAmount; // Spread between price of left and right order, denominated in the left order's makerAsset, paid to taker.\n }\n\n /// @dev Adds properties of both FillResults instances.\n /// Modifies the first FillResults instance specified.\n /// @param totalFillResults Fill results instance that will be added onto.\n /// @param singleFillResults Fill results instance that will be added to totalFillResults.\n function addFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)\n internal\n pure\n {\n totalFillResults.makerAssetFilledAmount = safeAdd(totalFillResults.makerAssetFilledAmount, singleFillResults.makerAssetFilledAmount);\n totalFillResults.takerAssetFilledAmount = safeAdd(totalFillResults.takerAssetFilledAmount, singleFillResults.takerAssetFilledAmount);\n totalFillResults.makerFeePaid = safeAdd(totalFillResults.makerFeePaid, singleFillResults.makerFeePaid);\n totalFillResults.takerFeePaid = safeAdd(totalFillResults.takerFeePaid, singleFillResults.takerFeePaid);\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibMath.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibMath is\n SafeMath\n{\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function safeGetPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorFloor(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function safeGetPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorCeil(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function getPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function getPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // The absolute rounding error is the difference between the rounded\n // value and the ideal value. The relative rounding error is the\n // absolute rounding error divided by the absolute value of the\n // ideal value. This is undefined when the ideal value is zero.\n //\n // The ideal value is `numerator * target / denominator`.\n // Let's call `numerator * target % denominator` the remainder.\n // The absolute error is `remainder / denominator`.\n //\n // When the ideal value is zero, we require the absolute error to\n // be zero. Fortunately, this is always the case. The ideal value is\n // zero iff `numerator == 0` and/or `target == 0`. In this case the\n // remainder and absolute error are also zero. \n if (target == 0 || numerator == 0) {\n return false;\n }\n \n // Otherwise, we want the relative rounding error to be strictly\n // less than 0.1%.\n // The relative error is `remainder / (numerator * target)`.\n // We want the relative error less than 1 / 1000:\n // remainder / (numerator * denominator) < 1 / 1000\n // or equivalently:\n // 1000 * remainder < numerator * target\n // so we have a rounding error iff:\n // 1000 * remainder >= numerator * target\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding up.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // See the comments in `isRoundingError`.\n if (target == 0 || numerator == 0) {\n // When either is zero, the ideal value and rounded value are zero\n // and there is no rounding error. (Although the relative error\n // is undefined.)\n return false;\n }\n // Compute remainder as before\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n remainder = safeSub(denominator, remainder) % denominator;\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibOrder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./LibEIP712.sol\";\n\n\ncontract LibOrder is\n LibEIP712\n{\n // Hash for the EIP712 Order Schema\n bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"Order(\",\n \"address makerAddress,\",\n \"address takerAddress,\",\n \"address feeRecipientAddress,\",\n \"address senderAddress,\",\n \"uint256 makerAssetAmount,\",\n \"uint256 takerAssetAmount,\",\n \"uint256 makerFee,\",\n \"uint256 takerFee,\",\n \"uint256 expirationTimeSeconds,\",\n \"uint256 salt,\",\n \"bytes makerAssetData,\",\n \"bytes takerAssetData\",\n \")\"\n ));\n\n // A valid order remains fillable until it is expired, fully filled, or cancelled.\n // An order's state is unaffected by external factors, like account balances.\n enum OrderStatus {\n INVALID, // Default value\n INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount\n INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount\n FILLABLE, // Order is fillable\n EXPIRED, // Order has already expired\n FULLY_FILLED, // Order is fully filled\n CANCELLED // Order has been cancelled\n }\n\n // solhint-disable max-line-length\n struct Order {\n address makerAddress; // Address that created the order. \n address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order. \n address feeRecipientAddress; // Address that will recieve fees when order is filled. \n address senderAddress; // Address that is allowed to call Exchange contract methods that affect this order. If set to 0, any address is allowed to call these methods.\n uint256 makerAssetAmount; // Amount of makerAsset being offered by maker. Must be greater than 0. \n uint256 takerAssetAmount; // Amount of takerAsset being bid on by maker. Must be greater than 0. \n uint256 makerFee; // Amount of ZRX paid to feeRecipient by maker when order is filled. If set to 0, no transfer of ZRX from maker to feeRecipient will be attempted.\n uint256 takerFee; // Amount of ZRX paid to feeRecipient by taker when order is filled. If set to 0, no transfer of ZRX from taker to feeRecipient will be attempted.\n uint256 expirationTimeSeconds; // Timestamp in seconds at which order expires. \n uint256 salt; // Arbitrary number to facilitate uniqueness of the order's hash. \n bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.\n bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.\n }\n // solhint-enable max-line-length\n\n struct OrderInfo {\n uint8 orderStatus; // Status that describes order's validity and fillability.\n bytes32 orderHash; // EIP712 hash of the order (see LibOrder.getOrderHash).\n uint256 orderTakerAssetFilledAmount; // Amount of order that has already been filled.\n }\n\n /// @dev Calculates Keccak-256 hash of the order.\n /// @param order The order structure.\n /// @return Keccak-256 EIP712 hash of the order.\n function getOrderHash(Order memory order)\n internal\n view\n returns (bytes32 orderHash)\n {\n orderHash = hashEIP712Message(hashOrder(order));\n return orderHash;\n }\n\n /// @dev Calculates EIP712 hash of the order.\n /// @param order The order structure.\n /// @return EIP712 hash of the order.\n function hashOrder(Order memory order)\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ORDER_SCHEMA_HASH;\n bytes32 makerAssetDataHash = keccak256(order.makerAssetData);\n bytes32 takerAssetDataHash = keccak256(order.takerAssetData);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ORDER_SCHEMA_HASH,\n // bytes32(order.makerAddress),\n // bytes32(order.takerAddress),\n // bytes32(order.feeRecipientAddress),\n // bytes32(order.senderAddress),\n // order.makerAssetAmount,\n // order.takerAssetAmount,\n // order.makerFee,\n // order.takerFee,\n // order.expirationTimeSeconds,\n // order.salt,\n // keccak256(order.makerAssetData),\n // keccak256(order.takerAssetData)\n // ));\n\n assembly {\n // Calculate memory addresses that will be swapped out before hashing\n let pos1 := sub(order, 32)\n let pos2 := add(order, 320)\n let pos3 := add(order, 352)\n\n // Backup\n let temp1 := mload(pos1)\n let temp2 := mload(pos2)\n let temp3 := mload(pos3)\n \n // Hash in place\n mstore(pos1, schemaHash)\n mstore(pos2, makerAssetDataHash)\n mstore(pos3, takerAssetDataHash)\n result := keccak256(pos1, 416)\n \n // Restore\n mstore(pos1, temp1)\n mstore(pos2, temp2)\n mstore(pos3, temp3)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssetProxyDispatcher.sol\";\n\n\ncontract MAssetProxyDispatcher is\n IAssetProxyDispatcher\n{\n // Logs registration of new asset proxy\n event AssetProxyRegistered(\n bytes4 id, // Id of new registered AssetProxy.\n address assetProxy // Address of new registered AssetProxy.\n );\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IExchangeCore.sol\";\n\n\ncontract MExchangeCore is\n IExchangeCore\n{\n // Fill event is emitted whenever an order is filled.\n event Fill(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that received fees.\n address takerAddress, // Address that filled the order.\n address senderAddress, // Address that called the Exchange contract (msg.sender).\n uint256 makerAssetFilledAmount, // Amount of makerAsset sold by maker and bought by taker. \n uint256 takerAssetFilledAmount, // Amount of takerAsset sold by taker and bought by maker.\n uint256 makerFeePaid, // Amount of ZRX paid to feeRecipient by maker.\n uint256 takerFeePaid, // Amount of ZRX paid to feeRecipient by taker.\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // Cancel event is emitted whenever an individual order is cancelled.\n event Cancel(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that would have recieved fees if order was filled. \n address senderAddress, // Address that called the Exchange contract (msg.sender).\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // CancelUpTo event is emitted whenever `cancelOrdersUpTo` is executed succesfully.\n event CancelUpTo(\n address indexed makerAddress, // Orders cancelled must have been created by this address.\n address indexed senderAddress, // Orders cancelled must have a `senderAddress` equal to this address.\n uint256 orderEpoch // Orders with specified makerAddress and senderAddress with a salt less than this value are considered cancelled.\n );\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrderInternal(LibOrder.Order memory order)\n internal;\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function updateFilledState(\n LibOrder.Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n LibFillResults.FillResults memory fillResults\n )\n internal;\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n LibOrder.Order memory order,\n bytes32 orderHash\n )\n internal;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo Status, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view;\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo\n )\n internal\n view;\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n LibOrder.Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.FillResults memory fillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IMatchOrders.sol\";\n\n\ncontract MMatchOrders is\n IMatchOrders\n{\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure;\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/ISignatureValidator.sol\";\n\n\ncontract MSignatureValidator is\n ISignatureValidator\n{\n event SignatureValidatorApproval(\n address indexed signerAddress, // Address that approves or disapproves a contract to verify signatures.\n address indexed validatorAddress, // Address of signature validator contract.\n bool approved // Approval or disapproval of validator contract.\n );\n\n // Allowed signature types.\n enum SignatureType {\n Illegal, // 0x00, default value\n Invalid, // 0x01\n EIP712, // 0x02\n EthSign, // 0x03\n Wallet, // 0x04\n Validator, // 0x05\n PreSigned, // 0x06\n NSignatureTypes // 0x07, number of signature types. Always leave at end.\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"../interfaces/ITransactions.sol\";\n\n\ncontract MTransactions is\n ITransactions\n{\n // Hash for the EIP712 ZeroEx Transaction Schema\n bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"ZeroExTransaction(\",\n \"uint256 salt,\",\n \"address signerAddress,\",\n \"bytes data\",\n \")\"\n ));\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result);\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address);\n}\n", + "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IWrapperFunctions.sol\";\n\n\ncontract MWrapperFunctions is \n IWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n}\n", + "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/MintableERC20Token.sol\";\n\n\ncontract DummyERC20Token is \n Ownable,\n MintableERC20Token\n{\n string public name;\n string public symbol;\n uint256 public decimals;\n uint256 public constant MAX_MINT_AMOUNT = 10000000000000000000000;\n\n constructor (\n string _name,\n string _symbol,\n uint256 _decimals,\n uint256 _totalSupply\n )\n public\n {\n name = _name;\n symbol = _symbol;\n decimals = _decimals;\n _totalSupply = _totalSupply;\n balances[msg.sender] = _totalSupply;\n }\n\n /// @dev Sets the balance of target address\n /// @param _target Address or which balance will be updated\n /// @param _value New balance of target address\n function setBalance(address _target, uint256 _value)\n external\n onlyOwner\n {\n uint256 currBalance = balances[_target];\n if (_value < currBalance) {\n _totalSupply = safeSub(_totalSupply, safeSub(currBalance, _value));\n } else {\n _totalSupply = safeAdd(_totalSupply, safeSub(_value, currBalance));\n }\n balances[_target] = _value;\n }\n\n /// @dev Mints new tokens for sender\n /// @param _value Amount of tokens to mint\n function mint(uint256 _value)\n external\n {\n require(\n _value <= MAX_MINT_AMOUNT,\n \"VALUE_TOO_LARGE\"\n );\n\n _mint(msg.sender, _value);\n }\n}\n", + "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../tokens/ERC721Token/MintableERC721Token.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract DummyERC721Token is\n Ownable,\n MintableERC721Token\n{\n string public name;\n string public symbol;\n\n constructor (\n string _name,\n string _symbol\n )\n public\n {\n name = _name;\n symbol = _symbol;\n }\n\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function mint(address _to, uint256 _tokenId)\n external\n {\n _mint(_to, _tokenId);\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist or not called by contract owner\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function burn(address _owner, uint256 _tokenId)\n external\n onlyOwner\n {\n _burn(_owner, _tokenId);\n }\n}\n", + "2.0.0/tokens/ERC20Token/ERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC20Token.sol\";\n\n\ncontract ERC20Token is\n IERC20Token\n{\n mapping (address => uint256) internal balances;\n mapping (address => mapping (address => uint256)) internal allowed;\n\n uint256 internal _totalSupply;\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool)\n {\n require(\n balances[msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[msg.sender] -= _value;\n balances[_to] += _value;\n\n emit Transfer(\n msg.sender,\n _to,\n _value\n );\n\n return true;\n }\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowed[_from][msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n allowed[_from][msg.sender] -= _value;\n \n emit Transfer(\n _from,\n _to,\n _value\n );\n \n return true;\n }\n\n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool)\n {\n allowed[msg.sender][_spender] = _value;\n emit Approval(\n msg.sender,\n _spender,\n _value\n );\n return true;\n }\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256)\n {\n return _totalSupply;\n }\n\n /// @dev Query the balance of owner\n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n return balances[_owner];\n }\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256)\n {\n return allowed[_owner][_spender];\n }\n}\n", + "2.0.0/tokens/ERC20Token/IERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n \n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n \n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", + "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/SafeMath/SafeMath.sol\";\nimport \"./UnlimitedAllowanceERC20Token.sol\";\n\n\ncontract MintableERC20Token is \n SafeMath,\n UnlimitedAllowanceERC20Token\n{\n /// @dev Mints new tokens\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _value Amount of tokens to mint\n function _mint(address _to, uint256 _value)\n internal\n {\n balances[_to] = safeAdd(_value, balances[_to]);\n _totalSupply = safeAdd(_totalSupply, _value);\n\n emit Transfer(\n address(0),\n _to,\n _value\n );\n }\n\n /// @dev Mints new tokens\n /// @param _owner Owner of tokens that will be burned\n /// @param _value Amount of tokens to burn\n function _burn(address _owner, uint256 _value)\n internal\n {\n balances[_owner] = safeSub(balances[_owner], _value);\n _totalSupply = safeSub(_totalSupply, _value);\n\n emit Transfer(\n _owner,\n address(0),\n _value\n );\n }\n}\n", + "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/ERC20Token.sol\";\n\n\ncontract UnlimitedAllowanceERC20Token is\n ERC20Token\n{\n uint256 constant internal MAX_UINT = 2**256 - 1;\n\n /// @dev ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited allowance. See https://github.com/ethereum/EIPs/issues/717\n /// @param _from Address to transfer from.\n /// @param _to Address to transfer to.\n /// @param _value Amount to transfer.\n /// @return Success of transfer.\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n uint256 allowance = allowed[_from][msg.sender];\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowance >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n if (allowance < MAX_UINT) {\n allowed[_from][msg.sender] -= _value;\n }\n\n emit Transfer(\n _from,\n _to,\n _value\n );\n\n return true;\n }\n}\n", + "2.0.0/tokens/ERC721Token/ERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC721Token.sol\";\nimport \"./IERC721Receiver.sol\";\nimport \"../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract ERC721Token is\n IERC721Token,\n SafeMath\n{\n // Function selector for ERC721Receiver.onERC721Received\n // 0x150b7a02\n bytes4 constant internal ERC721_RECEIVED = bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"));\n\n // Mapping of tokenId => owner\n mapping (uint256 => address) internal owners;\n\n // Mapping of tokenId => approved address\n mapping (uint256 => address) internal approvals;\n\n // Mapping of owner => number of tokens owned\n mapping (address => uint256) internal balances;\n\n // Mapping of owner => operator => approved\n mapping (address => mapping (address => bool)) internal operatorApprovals;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n _data\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n \"\"\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external\n {\n address owner = ownerOf(_tokenId);\n require(\n msg.sender == owner || isApprovedForAll(owner, msg.sender),\n \"ERC721_INVALID_SENDER\"\n );\n\n approvals[_tokenId] = _approved;\n emit Approval(\n owner,\n _approved,\n _tokenId\n );\n }\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external\n {\n operatorApprovals[msg.sender][_operator] = _approved;\n emit ApprovalForAll(\n msg.sender,\n _operator,\n _approved\n );\n }\n \n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return balances[_owner];\n }\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = ownerOf(_tokenId);\n require(\n _from == owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n address spender = msg.sender;\n address approvedAddress = getApproved(_tokenId);\n require(\n spender == owner ||\n isApprovedForAll(owner, spender) ||\n approvedAddress == spender,\n \"ERC721_INVALID_SPENDER\"\n );\n\n if (approvedAddress != address(0)) {\n approvals[_tokenId] = address(0);\n }\n\n owners[_tokenId] = _to;\n balances[_from] = safeSub(balances[_from], 1);\n balances[_to] = safeAdd(balances[_to], 1);\n \n emit Transfer(\n _from,\n _to,\n _tokenId\n );\n }\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address)\n {\n address owner = owners[_tokenId];\n require(\n owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return owner;\n }\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId)\n public\n view\n returns (address)\n {\n return approvals[_tokenId];\n }\n\n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool)\n {\n return operatorApprovals[_owner][_operator];\n }\n}\n", + "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Receiver {\n\n /// @notice Handle the receipt of an NFT\n /// @dev The ERC721 smart contract calls this function on the recipient\n /// after a `transfer`. This function MAY throw to revert and reject the\n /// transfer. Return of other than the magic value MUST result in the\n /// transaction being reverted.\n /// Note: the contract address is always the message sender.\n /// @param _operator The address which called `safeTransferFrom` function\n /// @param _from The address which previously owned the token\n /// @param _tokenId The NFT identifier which is being transferred\n /// @param _data Additional data with no specified format\n /// @return `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`\n /// unless throwing\n function onERC721Received(\n address _operator,\n address _from,\n uint256 _tokenId,\n bytes _data\n )\n external\n returns (bytes4);\n}\n", + "2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Token {\n\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(\n address indexed _owner,\n address indexed _approved,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(\n address indexed _owner,\n address indexed _operator,\n bool _approved\n );\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// perator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external;\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public;\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address);\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) \n public\n view\n returns (address);\n \n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool);\n}\n", + "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./ERC721Token.sol\";\n\n\ncontract MintableERC721Token is\n ERC721Token\n{\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function _mint(address _to, uint256 _tokenId)\n internal\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == address(0),\n \"ERC721_OWNER_ALREADY_EXISTS\"\n );\n\n owners[_tokenId] = _to;\n balances[_to] = safeAdd(balances[_to], 1);\n\n emit Transfer(\n address(0),\n _to,\n _tokenId\n );\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function _burn(address _owner, uint256 _tokenId)\n internal\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == _owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n owners[_tokenId] = address(0);\n balances[_owner] = safeSub(balances[_owner], 1);\n\n emit Transfer(\n _owner,\n address(0),\n _tokenId\n );\n }\n}\n", + "2.0.0/tokens/EtherToken/IEtherToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/IERC20Token.sol\";\n\n\ncontract IEtherToken is\n IERC20Token\n{\n function deposit()\n public\n payable;\n \n function withdraw(uint256 amount)\n public;\n}\n", + "2.0.0/utils/LibBytes/LibBytes.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\nlibrary LibBytes {\n\n using LibBytes for bytes;\n\n /// @dev Gets the memory address for a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of byte array. This\n /// points to the header of the byte array which contains\n /// the length.\n function rawAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := input\n }\n return memoryAddress;\n }\n \n /// @dev Gets the memory address for the contents of a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of the contents of the byte array.\n function contentAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := add(input, 32)\n }\n return memoryAddress;\n }\n\n /// @dev Copies `length` bytes from memory location `source` to `dest`.\n /// @param dest memory address to copy bytes to.\n /// @param source memory address to copy bytes from.\n /// @param length number of bytes to copy.\n function memCopy(\n uint256 dest,\n uint256 source,\n uint256 length\n )\n internal\n pure\n {\n if (length < 32) {\n // Handle a partial word by reading destination and masking\n // off the bits we are interested in.\n // This correctly handles overlap, zero lengths and source == dest\n assembly {\n let mask := sub(exp(256, sub(32, length)), 1)\n let s := and(mload(source), not(mask))\n let d := and(mload(dest), mask)\n mstore(dest, or(s, d))\n }\n } else {\n // Skip the O(length) loop when source == dest.\n if (source == dest) {\n return;\n }\n\n // For large copies we copy whole words at a time. The final\n // word is aligned to the end of the range (instead of after the\n // previous) to handle partial words. So a copy will look like this:\n //\n // ####\n // ####\n // ####\n // ####\n //\n // We handle overlap in the source and destination range by\n // changing the copying direction. This prevents us from\n // overwriting parts of source that we still need to copy.\n //\n // This correctly handles source == dest\n //\n if (source > dest) {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because it\n // is easier to compare with in the loop, and these\n // are also the addresses we need for copying the\n // last bytes.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the last 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the last bytes in\n // source already due to overlap.\n let last := mload(sEnd)\n\n // Copy whole words front to back\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} lt(source, sEnd) {} {\n mstore(dest, mload(source))\n source := add(source, 32)\n dest := add(dest, 32)\n }\n \n // Write the last 32 bytes\n mstore(dEnd, last)\n }\n } else {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because those\n // are the starting points when copying a word at the end.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the first 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the first bytes in\n // source already due to overlap.\n let first := mload(source)\n\n // Copy whole words back to front\n // We use a signed comparisson here to allow dEnd to become\n // negative (happens when source and dest < 32). Valid\n // addresses in local memory will never be larger than\n // 2**255, so they can be safely re-interpreted as signed.\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} slt(dest, dEnd) {} {\n mstore(dEnd, mload(sEnd))\n sEnd := sub(sEnd, 32)\n dEnd := sub(dEnd, 32)\n }\n \n // Write the first 32 bytes\n mstore(dest, first)\n }\n }\n }\n }\n\n /// @dev Returns a slices from a byte array.\n /// @param b The byte array to take a slice from.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n function slice(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure and copy contents\n result = new bytes(to - from);\n memCopy(\n result.contentAddress(),\n b.contentAddress() + from,\n result.length\n );\n return result;\n }\n \n /// @dev Returns a slice from a byte array without preserving the input.\n /// @param b The byte array to take a slice from. Will be destroyed in the process.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n /// @dev When `from == 0`, the original array will match the slice. In other cases its state will be corrupted.\n function sliceDestructive(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure around [from, to) in-place.\n assembly {\n result := add(b, from)\n mstore(result, sub(to, from))\n }\n return result;\n }\n\n /// @dev Pops the last byte off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The byte that was popped off.\n function popLastByte(bytes memory b)\n internal\n pure\n returns (bytes1 result)\n {\n require(\n b.length > 0,\n \"GREATER_THAN_ZERO_LENGTH_REQUIRED\"\n );\n\n // Store last byte.\n result = b[b.length - 1];\n\n assembly {\n // Decrement length of byte array.\n let newLen := sub(mload(b), 1)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Pops the last 20 bytes off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The 20 byte address that was popped off.\n function popLast20Bytes(bytes memory b)\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= 20,\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Store last 20 bytes.\n result = readAddress(b, b.length - 20);\n\n assembly {\n // Subtract 20 from byte array length.\n let newLen := sub(mload(b), 20)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Tests equality of two byte arrays.\n /// @param lhs First byte array to compare.\n /// @param rhs Second byte array to compare.\n /// @return True if arrays are the same. False otherwise.\n function equals(\n bytes memory lhs,\n bytes memory rhs\n )\n internal\n pure\n returns (bool equal)\n {\n // Keccak gas cost is 30 + numWords * 6. This is a cheap way to compare.\n // We early exit on unequal lengths, but keccak would also correctly\n // handle this.\n return lhs.length == rhs.length && keccak256(lhs) == keccak256(rhs);\n }\n\n /// @dev Reads an address from a position in a byte array.\n /// @param b Byte array containing an address.\n /// @param index Index in byte array of address.\n /// @return address from byte array.\n function readAddress(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Read address from array memory\n assembly {\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 20-byte mask to obtain address\n result := and(mload(add(b, index)), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n return result;\n }\n\n /// @dev Writes an address into a specific position in a byte array.\n /// @param b Byte array to insert address into.\n /// @param index Index in byte array of address.\n /// @param input Address to put into byte array.\n function writeAddress(\n bytes memory b,\n uint256 index,\n address input\n )\n internal\n pure\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Store address into array memory\n assembly {\n // The address occupies 20 bytes and mstore stores 32 bytes.\n // First fetch the 32-byte word where we'll be storing the address, then\n // apply a mask so we have only the bytes in the word that the address will not occupy.\n // Then combine these bytes with the address and store the 32 bytes back to memory with mstore.\n\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 12-byte mask to obtain extra bytes occupying word of memory where we'll store the address\n let neighbors := and(\n mload(add(b, index)),\n 0xffffffffffffffffffffffff0000000000000000000000000000000000000000\n )\n \n // Make sure input address is clean.\n // (Solidity does not guarantee this)\n input := and(input, 0xffffffffffffffffffffffffffffffffffffffff)\n\n // Store the neighbors and address into memory\n mstore(add(b, index), xor(input, neighbors))\n }\n }\n\n /// @dev Reads a bytes32 value from a position in a byte array.\n /// @param b Byte array containing a bytes32 value.\n /// @param index Index in byte array of bytes32 value.\n /// @return bytes32 value from byte array.\n function readBytes32(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes32 result)\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n result := mload(add(b, index))\n }\n return result;\n }\n\n /// @dev Writes a bytes32 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes32 to put into byte array.\n function writeBytes32(\n bytes memory b,\n uint256 index,\n bytes32 input\n )\n internal\n pure\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n mstore(add(b, index), input)\n }\n }\n\n /// @dev Reads a uint256 value from a position in a byte array.\n /// @param b Byte array containing a uint256 value.\n /// @param index Index in byte array of uint256 value.\n /// @return uint256 value from byte array.\n function readUint256(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (uint256 result)\n {\n result = uint256(readBytes32(b, index));\n return result;\n }\n\n /// @dev Writes a uint256 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input uint256 to put into byte array.\n function writeUint256(\n bytes memory b,\n uint256 index,\n uint256 input\n )\n internal\n pure\n {\n writeBytes32(b, index, bytes32(input));\n }\n\n /// @dev Reads an unpadded bytes4 value from a position in a byte array.\n /// @param b Byte array containing a bytes4 value.\n /// @param index Index in byte array of bytes4 value.\n /// @return bytes4 value from byte array.\n function readBytes4(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes4 result)\n {\n require(\n b.length >= index + 4,\n \"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 32 byte length field\n index += 32;\n\n // Read the bytes4 from array memory\n assembly {\n result := mload(add(b, index))\n // Solidity does not require us to clean the trailing bytes.\n // We do it anyway\n result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)\n }\n return result;\n }\n\n /// @dev Reads nested bytes from a specific position.\n /// @dev NOTE: the returned value overlaps with the input value.\n /// Both should be treated as immutable.\n /// @param b Byte array containing nested bytes.\n /// @param index Index of nested bytes.\n /// @return result Nested bytes.\n function readBytesWithLength(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes memory result)\n {\n // Read length of nested bytes\n uint256 nestedBytesLength = readUint256(b, index);\n index += 32;\n\n // Assert length of is valid, given\n // length of nested bytes\n require(\n b.length >= index + nestedBytesLength,\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n \n // Return a pointer to the byte array as it exists inside `b`\n assembly {\n result := add(b, index)\n }\n return result;\n }\n\n /// @dev Inserts bytes at a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes to insert.\n function writeBytesWithLength(\n bytes memory b,\n uint256 index,\n bytes memory input\n )\n internal\n pure\n {\n // Assert length of is valid, given\n // length of input\n require(\n b.length >= index + 32 + input.length, // 32 bytes to store length\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n\n // Copy into \n memCopy(\n b.contentAddress() + index,\n input.rawAddress(), // includes length of \n input.length + 32 // +32 bytes to store length\n );\n }\n\n /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length.\n /// @param dest Byte array that will be overwritten with source bytes.\n /// @param source Byte array to copy onto dest bytes.\n function deepCopyBytes(\n bytes memory dest,\n bytes memory source\n )\n internal\n pure\n {\n uint256 sourceLen = source.length;\n // Dest length must be >= source length, or some bytes would not be copied.\n require(\n dest.length >= sourceLen,\n \"GREATER_OR_EQUAL_TO_SOURCE_BYTES_LENGTH_REQUIRED\"\n );\n memCopy(\n dest.contentAddress(),\n source.contentAddress(),\n sourceLen\n );\n }\n}\n", + "2.0.0/utils/Ownable/IOwnable.sol": "pragma solidity 0.4.24;\n\n\ncontract IOwnable {\n\n function transferOwnership(address newOwner)\n public;\n}\n", + "2.0.0/utils/Ownable/Ownable.sol": "pragma solidity 0.4.24;\n\nimport \"./IOwnable.sol\";\n\n\ncontract Ownable is\n IOwnable\n{\n address public owner;\n\n constructor ()\n public\n {\n owner = msg.sender;\n }\n\n modifier onlyOwner() {\n require(\n msg.sender == owner,\n \"ONLY_CONTRACT_OWNER\"\n );\n _;\n }\n\n function transferOwnership(address newOwner)\n public\n onlyOwner\n {\n if (newOwner != address(0)) {\n owner = newOwner;\n }\n }\n}\n", + "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ReentrancyGuard {\n\n // Locked state of mutex\n bool private locked = false;\n\n /// @dev Functions with this modifer cannot be reentered. The mutex will be locked\n /// before function execution and unlocked after.\n modifier nonReentrant() {\n // Ensure mutex is unlocked\n require(\n !locked,\n \"REENTRANCY_ILLEGAL\"\n );\n\n // Lock mutex before function call\n locked = true;\n\n // Perform function call\n _;\n\n // Unlock mutex after function call\n locked = false;\n }\n}\n", + "2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n\n function safeMul(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(\n c / a == b,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function safeDiv(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a / b;\n return c;\n }\n\n function safeSub(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n require(\n b <= a,\n \"UINT256_UNDERFLOW\"\n );\n return a - b;\n }\n\n function safeAdd(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a + b;\n require(\n c >= a,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function max64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n\n function max256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n}\n" + }, + "sourceTreeHashHex": "0xbd0ac9751d7681f909fd16b969568f4dfcee9893e0b084aa1b198b6bb38f8f48", + "compiler": { + "name": "solc", + "version": "soljson-v0.4.24+commit.e67f0147.js", + "settings": { + "optimizer": { + "enabled": true, + "runs": 1000000 + }, + "outputSelection": { + "*": { + "*": [ + "abi", + "evm.bytecode.object", + "evm.bytecode.sourceMap", + "evm.deployedBytecode.object", + "evm.deployedBytecode.sourceMap" + ] + } + } + } + }, + "networks": { + "3": { + "address": "0xff67881f8d12f372d91baae9752eb3631ff0ed00", + "links": {}, + "constructorArgs": "[\"0x Protocol Token\",\"ZRX\",\"18\",\"1000000000000000000000000000\"]" + }, + "42": { + "address": "0x2002d3812f58e35f0ea1ffbf80a75a38c32175fa", + "links": {}, + "constructorArgs": "[\"0x Protocol Token\",\"ZRX\",\"18\",\"1000000000000000000000000000\"]" + }, + "50": { + "address": "0x871dd7c2b4b25e1aa18728e9d5f2af4c4e431f5c", + "links": {}, + "constructorArgs": "[\"0x Protocol Token\",\"ZRX\",\"18\",\"115792089237316195423570985008687907853269984665640564039457584007913129639935\"]" + } + } +} diff --git a/packages/migrations/artifacts/2.0.0/DummyERC721Token.json b/packages/migrations/artifacts/2.0.0/DummyERC721Token.json new file mode 100644 index 000000000..f0363ad81 --- /dev/null +++ b/packages/migrations/artifacts/2.0.0/DummyERC721Token.json @@ -0,0 +1,672 @@ +{ + "schemaVersion": "2.0.0", + "contractName": "DummyERC721Token", + "compilerOutput": { + "abi": [ + { + "constant": true, + "inputs": [], + "name": "name", + "outputs": [ + { + "name": "", + "type": "string" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "_tokenId", + "type": "uint256" + } + ], + "name": "getApproved", + "outputs": [ + { + "name": "", + "type": "address" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_approved", + "type": "address" + }, + { + "name": "_tokenId", + "type": "uint256" + } + ], + "name": "approve", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_from", + "type": "address" + }, + { + "name": "_to", + "type": "address" + }, + { + "name": "_tokenId", + "type": "uint256" + } + ], + "name": "transferFrom", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_to", + "type": "address" + }, + { + "name": "_tokenId", + "type": "uint256" + } + ], + "name": "mint", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_from", + "type": "address" + }, + { + "name": "_to", + "type": "address" + }, + { + "name": "_tokenId", + "type": "uint256" + } + ], + "name": "safeTransferFrom", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "_tokenId", + "type": "uint256" + } + ], + "name": "ownerOf", + "outputs": [ + { + "name": "", + "type": "address" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "_owner", + "type": "address" + } + ], + "name": "balanceOf", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "owner", + "outputs": [ + { + "name": "", + "type": "address" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "symbol", + "outputs": [ + { + "name": "", + "type": "string" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_owner", + "type": "address" + }, + { + "name": "_tokenId", + "type": "uint256" + } + ], + "name": "burn", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_operator", + "type": "address" + }, + { + "name": "_approved", + "type": "bool" + } + ], + "name": "setApprovalForAll", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_from", + "type": "address" + }, + { + "name": "_to", + "type": "address" + }, + { + "name": "_tokenId", + "type": "uint256" + }, + { + "name": "_data", + "type": "bytes" + } + ], + "name": "safeTransferFrom", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "_owner", + "type": "address" + }, + { + "name": "_operator", + "type": "address" + } + ], + "name": "isApprovedForAll", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "newOwner", + "type": "address" + } + ], + "name": "transferOwnership", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "inputs": [ + { + "name": "_name", + "type": "string" + }, + { + "name": "_symbol", + "type": "string" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "constructor" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "_from", + "type": "address" + }, + { + "indexed": true, + "name": "_to", + "type": "address" + }, + { + "indexed": true, + "name": "_tokenId", + "type": "uint256" + } + ], + "name": "Transfer", + "type": "event" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "_owner", + "type": "address" + }, + { + "indexed": true, + "name": "_approved", + "type": "address" + }, + { + "indexed": true, + "name": "_tokenId", + "type": "uint256" + } + ], + "name": "Approval", + "type": "event" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "_owner", + "type": "address" + }, + { + "indexed": true, + "name": "_operator", + "type": "address" + }, + { + "indexed": false, + "name": "_approved", + "type": "bool" + } + ], + "name": "ApprovalForAll", + "type": "event" + } + ], + "evm": { + "bytecode": { + "linkReferences": {}, + "object": 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PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3FC JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x1075 JUMP JUMPDEST PUSH1 0x5 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x4C2 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x497 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x4C2 JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x4A5 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP DUP2 JUMP JUMPDEST PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x4FD DUP3 PUSH2 0xB50 JUMP JUMPDEST SWAP1 POP CALLER PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND EQ DUP1 PUSH2 0x528 JUMPI POP PUSH2 0x528 DUP2 CALLER PUSH2 0x103A JUMP JUMPDEST ISZERO ISZERO PUSH2 0x595 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F53454E4445520000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 DUP2 AND SWAP2 DUP3 OR SWAP1 SWAP3 SSTORE SWAP2 MLOAD DUP6 SWAP4 SWAP2 DUP6 AND SWAP2 PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 SWAP2 LOG4 POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP6 AND ISZERO ISZERO PUSH2 0x69E JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F544F5F4144445245535300000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH2 0x6A7 DUP5 PUSH2 0xB50 JUMP JUMPDEST SWAP3 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 DUP2 AND SWAP1 DUP5 AND EQ PUSH2 0x730 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F4F574E45525F4D49534D415443480000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST CALLER SWAP2 POP PUSH2 0x73C DUP5 PUSH2 0x4CA JUMP JUMPDEST SWAP1 POP DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ DUP1 PUSH2 0x77D JUMPI POP PUSH2 0x77D DUP4 DUP4 PUSH2 0x103A JUMP JUMPDEST DUP1 PUSH2 0x7B3 JUMPI POP DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ JUMPDEST ISZERO ISZERO PUSH2 0x820 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F5350454E44455200000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0x871 JUMPI PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND SWAP1 SSTORE JUMPDEST PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP12 DUP2 AND SWAP2 SWAP1 SWAP2 OR SWAP1 SWAP2 SSTORE DUP11 AND DUP5 MSTORE PUSH1 0x3 SWAP1 SWAP2 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD PUSH2 0x8DB SWAP2 PUSH2 0x115B JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP9 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 SWAP4 SWAP1 SWAP4 SSTORE SWAP1 DUP8 AND DUP2 MSTORE KECCAK256 SLOAD PUSH2 0x918 SWAP1 PUSH1 0x1 PUSH2 0x11D2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP8 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 SWAP5 SWAP1 SWAP5 SSTORE SWAP3 MLOAD DUP8 SWAP4 SWAP2 SWAP3 DUP11 AND SWAP2 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP2 LOG4 POP POP POP POP POP POP JUMP JUMPDEST PUSH2 0x981 DUP3 DUP3 PUSH2 0x124D JUMP JUMPDEST POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0x993 DUP6 DUP6 DUP6 PUSH2 0x616 JUMP JUMPDEST DUP4 EXTCODESIZE SWAP2 POP PUSH1 0x0 DUP3 GT ISZERO PUSH2 0xB49 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x150B7A0200000000000000000000000000000000000000000000000000000000 DUP2 MSTORE CALLER PUSH1 0x4 DUP3 ADD MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 DUP2 AND PUSH1 0x24 DUP4 ADD MSTORE PUSH1 0x44 DUP3 ADD DUP7 SWAP1 MSTORE PUSH1 0x80 PUSH1 0x64 DUP4 ADD MSTORE PUSH1 0x0 PUSH1 0x84 DUP4 ADD DUP2 SWAP1 MSTORE SWAP3 MLOAD SWAP1 DUP8 AND SWAP3 PUSH4 0x150B7A02 SWAP3 PUSH1 0xC4 DUP1 DUP3 ADD SWAP4 PUSH1 0x20 SWAP4 SWAP1 SWAP3 DUP4 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 DUP3 SWAP1 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0xA30 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0xA44 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x20 DUP2 LT ISZERO PUSH2 0xA5A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP MLOAD PUSH1 0x40 DUP1 MLOAD PUSH32 0x6F6E455243373231526563656976656428616464726573732C61646472657373 DUP2 MSTORE PUSH32 0x2C75696E743235362C6279746573290000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x2F ADD SWAP1 KECCAK256 SWAP1 SWAP2 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP1 DUP4 AND SWAP2 AND EQ PUSH2 0xB49 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x17 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F53454C4543544F52000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP1 ISZERO ISZERO PUSH2 0xBE3 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F4F574E4552000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND ISZERO ISZERO PUSH2 0xC6F JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F4F574E4552000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD SWAP1 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x6 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x4C2 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x497 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x4C2 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xDB3 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH2 0x981 DUP3 DUP3 PUSH2 0x1425 JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP1 DUP6 MSTORE SWAP1 DUP4 MSTORE SWAP3 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND DUP7 ISZERO ISZERO SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP2 MLOAD SWAP1 DUP2 MSTORE SWAP1 MLOAD SWAP3 SWAP4 SWAP3 PUSH32 0x17307EAB39AB6107E8899845AD3D59BD9653F200F220920489CA2B5937696C31 SWAP3 SWAP2 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0xE64 DUP8 DUP8 DUP8 PUSH2 0x616 JUMP JUMPDEST DUP6 EXTCODESIZE SWAP2 POP PUSH1 0x0 DUP3 GT ISZERO PUSH2 0x1031 JUMPI PUSH1 0x40 MLOAD PUSH32 0x150B7A0200000000000000000000000000000000000000000000000000000000 DUP2 MSTORE CALLER PUSH1 0x4 DUP3 ADD DUP2 DUP2 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP11 DUP2 AND PUSH1 0x24 DUP6 ADD MSTORE PUSH1 0x44 DUP5 ADD DUP10 SWAP1 MSTORE PUSH1 0x80 PUSH1 0x64 DUP6 ADD SWAP1 DUP2 MSTORE PUSH1 0x84 DUP6 ADD DUP9 SWAP1 MSTORE SWAP1 DUP11 AND SWAP4 PUSH4 0x150B7A02 SWAP4 SWAP3 DUP13 SWAP3 DUP12 SWAP3 DUP12 SWAP3 DUP12 SWAP3 SWAP1 SWAP2 PUSH1 0xA4 ADD DUP5 DUP5 DUP1 DUP3 DUP5 CALLDATACOPY DUP3 ADD SWAP2 POP POP SWAP7 POP POP POP POP POP POP POP PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0xF18 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0xF2C JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x20 DUP2 LT ISZERO PUSH2 0xF42 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP MLOAD PUSH1 0x40 DUP1 MLOAD PUSH32 0x6F6E455243373231526563656976656428616464726573732C61646472657373 DUP2 MSTORE PUSH32 0x2C75696E743235362C6279746573290000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x2F ADD SWAP1 KECCAK256 SWAP1 SWAP2 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP1 DUP4 AND SWAP2 AND EQ PUSH2 0x1031 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x17 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F53454C4543544F52000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP POP POP POP POP POP POP JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP2 DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP4 SWAP1 SWAP5 AND DUP3 MSTORE SWAP2 SWAP1 SWAP2 MSTORE KECCAK256 SLOAD PUSH1 0xFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x10FB JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0x1158 JUMPI PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND OR SWAP1 SSTORE JUMPDEST POP JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 GT ISZERO PUSH2 0x11CC JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F554E444552464C4F57000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP SWAP1 SUB SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 ADD DUP4 DUP2 LT ISZERO PUSH2 0x1246 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND ISZERO ISZERO PUSH2 0x12D3 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F544F5F4144445245535300000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP1 ISZERO PUSH2 0x1366 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1B PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F4F574E45525F414C52454144595F4558495354530000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP10 AND SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP5 MSTORE PUSH1 0x3 SWAP1 SWAP2 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD PUSH2 0x13CC SWAP2 PUSH2 0x11D2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 SWAP4 SWAP1 SWAP4 SSTORE SWAP2 MLOAD DUP5 SWAP3 SWAP1 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP1 DUP3 SWAP1 LOG4 POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND ISZERO ISZERO PUSH2 0x14AB JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x19 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F4F574E45525F4144445245535300000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 DUP2 AND SWAP1 DUP4 AND DUP2 EQ PUSH2 0x1543 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F4F574E45525F4D49534D415443480000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND SWAP1 SSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP5 MSTORE PUSH1 0x3 SWAP1 SWAP2 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD PUSH2 0x15A5 SWAP2 PUSH2 0x115B JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 SWAP4 SWAP1 SWAP4 SSTORE SWAP2 MLOAD DUP5 SWAP3 SWAP2 SWAP1 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP1 DUP4 SWAP1 LOG4 POP POP POP JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 0xb4 CREATE 0xe9 SWAP3 RETURNDATASIZE 0xf6 DUP2 0xb3 SWAP13 PUSH22 0xC35907B3B53E3D18D5D27A56215BE103C035936A9E0 STOP 0x29 ", + "sourceMap": "743:1013:51:-;;;866:139;8:9:-1;5:2;;;30:1;27;20:12;5:2;866:139:51;;;;;;;;;;;;;;;;;;;;;162:5:63;:18;;-1:-1:-1;;;;;;162:18:63;170:10;162:18;;;866:139:51;;;960:12;;866:139;;;;;;;960:12;;:4;;:12;;;;;:::i;:::-;-1:-1:-1;982:16:51;;;;:6;;:16;;;;;:::i;:::-;;866:139;;743:1013;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;743:1013:51;;;-1:-1:-1;743:1013:51;:::i;:::-;;;:::o;:::-;;;;;;;;;;;;;;;;;;;;:::o;:::-;;;;;;;" + }, + "deployedBytecode": { + "linkReferences": {}, + "object": 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0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x4F2 JUMP JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1E9 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x616 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x220 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x977 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x251 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x985 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x288 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x181 PUSH1 0x4 CALLDATALOAD PUSH2 0xB50 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2A0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2C2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0xBE9 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2E0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x181 PUSH2 0xC98 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2F5 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xF4 PUSH2 0xCB4 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x30A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0xD2D JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x33B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD ISZERO ISZERO PUSH2 0xDBD JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x36E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 DUP1 CALLDATALOAD DUP3 AND SWAP2 PUSH1 0x24 DUP1 CALLDATALOAD SWAP1 SWAP2 AND SWAP2 PUSH1 0x44 CALLDATALOAD SWAP2 PUSH1 0x64 CALLDATALOAD SWAP1 DUP2 ADD SWAP2 ADD CALLDATALOAD PUSH2 0xE56 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3B4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x3DC PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0x103A JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3FC JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x1075 JUMP JUMPDEST PUSH1 0x5 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x4C2 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x497 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x4C2 JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x4A5 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP DUP2 JUMP JUMPDEST PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x4FD DUP3 PUSH2 0xB50 JUMP JUMPDEST SWAP1 POP CALLER PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND EQ DUP1 PUSH2 0x528 JUMPI POP PUSH2 0x528 DUP2 CALLER PUSH2 0x103A JUMP JUMPDEST ISZERO ISZERO PUSH2 0x595 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F53454E4445520000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 DUP2 AND SWAP2 DUP3 OR SWAP1 SWAP3 SSTORE SWAP2 MLOAD DUP6 SWAP4 SWAP2 DUP6 AND SWAP2 PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 SWAP2 LOG4 POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP6 AND ISZERO ISZERO PUSH2 0x69E JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F544F5F4144445245535300000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH2 0x6A7 DUP5 PUSH2 0xB50 JUMP JUMPDEST SWAP3 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 DUP2 AND SWAP1 DUP5 AND EQ PUSH2 0x730 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F4F574E45525F4D49534D415443480000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST CALLER SWAP2 POP PUSH2 0x73C DUP5 PUSH2 0x4CA JUMP JUMPDEST SWAP1 POP DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ DUP1 PUSH2 0x77D JUMPI POP PUSH2 0x77D DUP4 DUP4 PUSH2 0x103A JUMP JUMPDEST DUP1 PUSH2 0x7B3 JUMPI POP DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ JUMPDEST ISZERO ISZERO PUSH2 0x820 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F5350454E44455200000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0x871 JUMPI PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND SWAP1 SSTORE JUMPDEST PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP12 DUP2 AND SWAP2 SWAP1 SWAP2 OR SWAP1 SWAP2 SSTORE DUP11 AND DUP5 MSTORE PUSH1 0x3 SWAP1 SWAP2 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD PUSH2 0x8DB SWAP2 PUSH2 0x115B JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP9 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 SWAP4 SWAP1 SWAP4 SSTORE SWAP1 DUP8 AND DUP2 MSTORE KECCAK256 SLOAD PUSH2 0x918 SWAP1 PUSH1 0x1 PUSH2 0x11D2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP8 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 SWAP5 SWAP1 SWAP5 SSTORE SWAP3 MLOAD DUP8 SWAP4 SWAP2 SWAP3 DUP11 AND SWAP2 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP2 LOG4 POP POP POP POP POP POP JUMP JUMPDEST PUSH2 0x981 DUP3 DUP3 PUSH2 0x124D JUMP JUMPDEST POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0x993 DUP6 DUP6 DUP6 PUSH2 0x616 JUMP JUMPDEST DUP4 EXTCODESIZE SWAP2 POP PUSH1 0x0 DUP3 GT ISZERO PUSH2 0xB49 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x150B7A0200000000000000000000000000000000000000000000000000000000 DUP2 MSTORE CALLER PUSH1 0x4 DUP3 ADD MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 DUP2 AND PUSH1 0x24 DUP4 ADD MSTORE PUSH1 0x44 DUP3 ADD DUP7 SWAP1 MSTORE PUSH1 0x80 PUSH1 0x64 DUP4 ADD MSTORE PUSH1 0x0 PUSH1 0x84 DUP4 ADD DUP2 SWAP1 MSTORE SWAP3 MLOAD SWAP1 DUP8 AND SWAP3 PUSH4 0x150B7A02 SWAP3 PUSH1 0xC4 DUP1 DUP3 ADD SWAP4 PUSH1 0x20 SWAP4 SWAP1 SWAP3 DUP4 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 DUP3 SWAP1 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0xA30 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0xA44 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x20 DUP2 LT ISZERO PUSH2 0xA5A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP MLOAD PUSH1 0x40 DUP1 MLOAD PUSH32 0x6F6E455243373231526563656976656428616464726573732C61646472657373 DUP2 MSTORE PUSH32 0x2C75696E743235362C6279746573290000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x2F ADD SWAP1 KECCAK256 SWAP1 SWAP2 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP1 DUP4 AND SWAP2 AND EQ PUSH2 0xB49 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x17 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F53454C4543544F52000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP1 ISZERO ISZERO PUSH2 0xBE3 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F4F574E4552000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND ISZERO ISZERO PUSH2 0xC6F JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F4F574E4552000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD SWAP1 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x6 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x4C2 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x497 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x4C2 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xDB3 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH2 0x981 DUP3 DUP3 PUSH2 0x1425 JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP1 DUP6 MSTORE SWAP1 DUP4 MSTORE SWAP3 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND DUP7 ISZERO ISZERO SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP2 MLOAD SWAP1 DUP2 MSTORE SWAP1 MLOAD SWAP3 SWAP4 SWAP3 PUSH32 0x17307EAB39AB6107E8899845AD3D59BD9653F200F220920489CA2B5937696C31 SWAP3 SWAP2 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0xE64 DUP8 DUP8 DUP8 PUSH2 0x616 JUMP JUMPDEST DUP6 EXTCODESIZE SWAP2 POP PUSH1 0x0 DUP3 GT ISZERO PUSH2 0x1031 JUMPI PUSH1 0x40 MLOAD PUSH32 0x150B7A0200000000000000000000000000000000000000000000000000000000 DUP2 MSTORE CALLER PUSH1 0x4 DUP3 ADD DUP2 DUP2 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP11 DUP2 AND PUSH1 0x24 DUP6 ADD MSTORE PUSH1 0x44 DUP5 ADD DUP10 SWAP1 MSTORE PUSH1 0x80 PUSH1 0x64 DUP6 ADD SWAP1 DUP2 MSTORE PUSH1 0x84 DUP6 ADD DUP9 SWAP1 MSTORE SWAP1 DUP11 AND SWAP4 PUSH4 0x150B7A02 SWAP4 SWAP3 DUP13 SWAP3 DUP12 SWAP3 DUP12 SWAP3 DUP12 SWAP3 SWAP1 SWAP2 PUSH1 0xA4 ADD DUP5 DUP5 DUP1 DUP3 DUP5 CALLDATACOPY DUP3 ADD SWAP2 POP POP SWAP7 POP POP POP POP POP POP POP PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0xF18 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0xF2C JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x20 DUP2 LT ISZERO PUSH2 0xF42 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP MLOAD PUSH1 0x40 DUP1 MLOAD PUSH32 0x6F6E455243373231526563656976656428616464726573732C61646472657373 DUP2 MSTORE PUSH32 0x2C75696E743235362C6279746573290000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x2F ADD SWAP1 KECCAK256 SWAP1 SWAP2 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP1 DUP4 AND SWAP2 AND EQ PUSH2 0x1031 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x17 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F53454C4543544F52000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP POP POP POP POP POP POP JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP2 DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP4 SWAP1 SWAP5 AND DUP3 MSTORE SWAP2 SWAP1 SWAP2 MSTORE KECCAK256 SLOAD PUSH1 0xFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x10FB JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0x1158 JUMPI PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND OR SWAP1 SSTORE JUMPDEST POP JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 GT ISZERO PUSH2 0x11CC JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F554E444552464C4F57000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP SWAP1 SUB SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 ADD DUP4 DUP2 LT ISZERO PUSH2 0x1246 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND ISZERO ISZERO PUSH2 0x12D3 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F544F5F4144445245535300000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP1 ISZERO PUSH2 0x1366 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1B PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F4F574E45525F414C52454144595F4558495354530000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP10 AND SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP5 MSTORE PUSH1 0x3 SWAP1 SWAP2 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD PUSH2 0x13CC SWAP2 PUSH2 0x11D2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 SWAP4 SWAP1 SWAP4 SSTORE SWAP2 MLOAD DUP5 SWAP3 SWAP1 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP1 DUP3 SWAP1 LOG4 POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND ISZERO ISZERO PUSH2 0x14AB JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x19 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F4F574E45525F4144445245535300000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 DUP2 AND SWAP1 DUP4 AND DUP2 EQ PUSH2 0x1543 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F4F574E45525F4D49534D415443480000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND SWAP1 SSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP5 MSTORE PUSH1 0x3 SWAP1 SWAP2 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD PUSH2 0x15A5 SWAP2 PUSH2 0x115B JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 SWAP4 SWAP1 SWAP4 SSTORE SWAP2 MLOAD DUP5 SWAP3 SWAP2 SWAP1 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP1 DUP4 SWAP1 LOG4 POP POP POP JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 0xb4 CREATE 0xe9 SWAP3 RETURNDATASIZE 0xf6 DUP2 0xb3 SWAP13 PUSH22 0xC35907B3B53E3D18D5D27A56215BE103C035936A9E0 STOP 0x29 ", + "sourceMap": 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+ } + } + }, + "sources": { + "2.0.0/extensions/Forwarder/Forwarder.sol": { + "id": 0 + }, + "2.0.0/extensions/Forwarder/MixinAssets.sol": { + "id": 1 + }, + "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": { + "id": 2 + }, + "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": { + "id": 3 + }, + "2.0.0/extensions/Forwarder/MixinWeth.sol": { + "id": 4 + }, + "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": { + "id": 5 + }, + "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": { + "id": 6 + }, + "2.0.0/extensions/Forwarder/libs/LibConstants.sol": { + "id": 7 + }, + "2.0.0/extensions/Forwarder/mixins/MAssets.sol": { + "id": 8 + }, + "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": { + "id": 9 + }, + "2.0.0/extensions/Forwarder/mixins/MWeth.sol": { + "id": 10 + }, + "2.0.0/extensions/OrderValidator/OrderValidator.sol": { + "id": 11 + }, + "2.0.0/multisig/MultiSigWallet.sol": { + "id": 12 + }, + "2.0.0/multisig/MultiSigWalletWithTimeLock.sol": { + "id": 13 + }, + "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": { + "id": 14 + }, + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": { + "id": 15 + }, + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": { + "id": 16 + }, + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": { + "id": 17 + }, + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": { + "id": 18 + }, + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": { + "id": 19 + }, + "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": { + "id": 20 + }, + "2.0.0/protocol/Exchange/Exchange.sol": { + "id": 21 + }, + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": { + "id": 22 + }, + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": { + "id": 23 + }, + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": { + "id": 24 + }, + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": { + "id": 25 + }, + "2.0.0/protocol/Exchange/MixinTransactions.sol": { + "id": 26 + }, + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": { + "id": 27 + }, + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": { + "id": 28 + }, + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": { + "id": 29 + }, + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": { + "id": 30 + }, + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": { + "id": 31 + }, + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": { + "id": 32 + }, + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": { + "id": 33 + }, + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": { + "id": 34 + }, + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": { + "id": 35 + }, + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": { + "id": 36 + }, + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": { + "id": 37 + }, + "2.0.0/protocol/Exchange/libs/LibConstants.sol": { + "id": 38 + }, + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": { + "id": 39 + }, + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": { + "id": 40 + }, + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": { + "id": 41 + }, + "2.0.0/protocol/Exchange/libs/LibMath.sol": { + "id": 42 + }, + "2.0.0/protocol/Exchange/libs/LibOrder.sol": { + "id": 43 + }, + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": { + "id": 44 + }, + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": { + "id": 45 + }, + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": { + "id": 46 + }, + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": { + "id": 47 + }, + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": { + "id": 48 + }, + "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": { + "id": 49 + }, + "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": { + "id": 50 + }, + "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": { + "id": 51 + }, + "2.0.0/tokens/ERC20Token/ERC20Token.sol": { + "id": 52 + }, + "2.0.0/tokens/ERC20Token/IERC20Token.sol": { + "id": 53 + }, + "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": { + "id": 54 + }, + "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": { + "id": 55 + }, + "2.0.0/tokens/ERC721Token/ERC721Token.sol": { + "id": 56 + }, + "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": { + "id": 57 + }, + "2.0.0/tokens/ERC721Token/IERC721Token.sol": { + "id": 58 + }, + "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": { + "id": 59 + }, + "2.0.0/tokens/EtherToken/IEtherToken.sol": { + "id": 60 + }, + "2.0.0/utils/LibBytes/LibBytes.sol": { + "id": 61 + }, + "2.0.0/utils/Ownable/IOwnable.sol": { + "id": 62 + }, + "2.0.0/utils/Ownable/Ownable.sol": { + "id": 63 + }, + "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": { + "id": 64 + }, + "2.0.0/utils/SafeMath/SafeMath.sol": { + "id": 65 + } + }, + "sourceCodes": { + "2.0.0/extensions/Forwarder/Forwarder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinWeth.sol\";\nimport \"./MixinForwarderCore.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinAssets.sol\";\nimport \"./MixinExchangeWrapper.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Forwarder is\n LibConstants,\n MixinWeth,\n MixinAssets,\n MixinExchangeWrapper,\n MixinForwarderCore\n{\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n LibConstants(\n _exchange,\n _zrxAssetData,\n _wethAssetData\n )\n MixinForwarderCore()\n {}\n}\n", + "2.0.0/extensions/Forwarder/MixinAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MAssets.sol\";\n\n\ncontract MixinAssets is\n Ownable,\n LibConstants,\n MAssets\n{\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256(\"transfer(address,uint256)\"));\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external\n onlyOwner\n {\n transferAssetToSender(assetData, amount);\n }\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n bytes4 proxyId = assetData.readBytes4(0);\n\n if (proxyId == ERC20_DATA_ID) {\n transferERC20Token(assetData, amount);\n } else if (proxyId == ERC721_DATA_ID) {\n transferERC721Token(assetData, amount);\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n }\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n address token = assetData.readAddress(16);\n\n // Transfer tokens.\n // We do a raw call so we can check the success separate\n // from the return data.\n bool success = token.call(abi.encodeWithSelector(\n ERC20_TRANSFER_SELECTOR,\n msg.sender,\n amount\n ));\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n \n // Check return data.\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // value that evaluates to true.\n assembly {\n if returndatasize {\n success := 0\n if eq(returndatasize, 32) {\n // First 64 bytes of memory are reserved scratch space\n returndatacopy(0, 0, 32)\n success := mload(0)\n }\n }\n }\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n }\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n require(\n amount == 1,\n \"INVALID_AMOUNT\"\n );\n // Decode asset data.\n address token = assetData.readAddress(16);\n uint256 tokenId = assetData.readUint256(36);\n\n // Perform transfer.\n IERC721Token(token).transferFrom(\n address(this),\n msg.sender,\n tokenId\n );\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"../../protocol/Exchange/libs/LibAbiEncoder.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinExchangeWrapper is\n LibAbiEncoder,\n LibFillResults,\n LibMath,\n LibConstants,\n MExchangeWrapper\n{\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n address exchange = address(EXCHANGE);\n\n // Call `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := call(\n gas, // forward all gas\n exchange, // call address of Exchange contract\n 0, // transfer 0 wei\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of WETH to sell\n uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of WETH\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount;\n if (makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n\n require(\n makerAssetFilledAmount >= makerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n // Do nothing if zrxBuyAmount == 0\n if (zrxBuyAmount == 0) {\n return totalFillResults;\n }\n\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n uint256 zrxPurchased = 0;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // All of these are ZRX/WETH, so we can drop the respective assetData from calldata.\n orders[i].makerAssetData = zrxAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of ZRX to buy.\n uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased);\n\n // Convert the remaining amount of ZRX to buy into remaining amount\n // of WETH to sell, assuming entire amount can be sold in the current order.\n uint256 remainingWethSellAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees \n remainingZrxBuyAmount\n );\n\n // Attempt to sell the remaining amount of WETH.\n FillResults memory singleFillResult = fillOrderNoThrow(\n orders[i],\n safeAdd(remainingWethSellAmount, 1), // we add 1 wei to the fill amount to make up for rounding errors\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker.\n addFillResults(totalFillResults, singleFillResult);\n zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid);\n\n // Stop execution if the entire amount of ZRX has been bought.\n if (zrxPurchased >= zrxBuyAmount) {\n break;\n }\n }\n\n require(\n zrxPurchased >= zrxBuyAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\nimport \"./mixins/MAssets.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"./interfaces/IForwarderCore.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinForwarderCore is\n LibFillResults,\n LibMath,\n LibConstants,\n MWeth,\n MAssets,\n MExchangeWrapper,\n IForwarderCore\n{\n using LibBytes for bytes;\n\n /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf.\n constructor ()\n public\n {\n address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID);\n require(\n proxyAddress != address(0),\n \"UNREGISTERED_ASSET_PROXY\"\n );\n ETHER_TOKEN.approve(proxyAddress, MAX_UINT);\n ZRX_TOKEN.approve(proxyAddress, MAX_UINT);\n }\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 wethSellAmount;\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // Calculate amount of WETH that won't be spent on ETH fees.\n wethSellAmount = getPartialAmountFloor(\n PERCENTAGE_DENOMINATOR,\n safeAdd(PERCENTAGE_DENOMINATOR, feePercentage),\n msg.value\n );\n // Market sell available WETH.\n // ZRX fees are paid with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // 5% of WETH is reserved for filling feeOrders and paying feeRecipient.\n wethSellAmount = getPartialAmountFloor(\n MAX_WETH_FILL_PERCENTAGE,\n PERCENTAGE_DENOMINATOR,\n msg.value\n );\n // Market sell 95% of WETH.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // If the makerAsset is ZRX, it is not necessary to pay fees out of this\n // contracts's ZRX balance because fees are factored into the price of the order.\n orderFillResults = marketBuyExactZrxWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // Attemp to purchase desired amount of makerAsset.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketBuyExactAmountWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\n\n\ncontract MixinWeth is\n LibMath,\n LibConstants,\n MWeth\n{\n /// @dev Default payabale function, this allows us to withdraw WETH\n function ()\n public\n payable\n {\n require(\n msg.sender == address(ETHER_TOKEN),\n \"DEFAULT_FUNCTION_WETH_CONTRACT_ONLY\"\n );\n }\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal\n {\n require(\n msg.value > 0,\n \"INVALID_MSG_VALUE\"\n );\n ETHER_TOKEN.deposit.value(msg.value)();\n }\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal\n {\n // Ensure feePercentage is less than 5%.\n require(\n feePercentage <= MAX_FEE_PERCENTAGE,\n \"FEE_PERCENTAGE_TOO_LARGE\"\n );\n\n // Ensure that no extra WETH owned by this contract has been sold.\n uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx);\n require(\n wethSold <= msg.value,\n \"OVERSOLD_WETH\"\n );\n\n // Calculate amount of WETH that hasn't been sold.\n uint256 wethRemaining = safeSub(msg.value, wethSold);\n\n // Calculate ETH fee to pay to feeRecipient.\n uint256 ethFee = getPartialAmountFloor(\n feePercentage,\n PERCENTAGE_DENOMINATOR,\n wethSoldExcludingFeeOrders\n );\n\n // Ensure fee is less than amount of WETH remaining.\n require(\n ethFee <= wethRemaining,\n \"INSUFFICIENT_ETH_REMAINING\"\n );\n \n // Do nothing if no WETH remaining\n if (wethRemaining > 0) {\n // Convert remaining WETH to ETH\n ETHER_TOKEN.withdraw(wethRemaining);\n\n // Pay ETH to feeRecipient\n if (ethFee > 0) {\n feeRecipient.transfer(ethFee);\n }\n\n // Refund remaining ETH to msg.sender.\n uint256 ethRefund = safeSub(wethRemaining, ethFee);\n if (ethRefund > 0) {\n msg.sender.transfer(ethRefund);\n }\n }\n }\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssets {\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external;\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract IForwarderCore {\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n}\n", + "2.0.0/extensions/Forwarder/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/LibBytes/LibBytes.sol\";\nimport \"../../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../../tokens/EtherToken/IEtherToken.sol\";\nimport \"../../../tokens/ERC20Token/IERC20Token.sol\";\n\n\ncontract LibConstants {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n uint256 constant internal MAX_UINT = 2**256 - 1;\n uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; \n uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5%\n uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95%\n \n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n IEtherToken internal ETHER_TOKEN;\n IERC20Token internal ZRX_TOKEN;\n bytes internal ZRX_ASSET_DATA;\n bytes internal WETH_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n WETH_ASSET_DATA = _wethAssetData;\n\n address etherToken = _wethAssetData.readAddress(16);\n address zrxToken = _zrxAssetData.readAddress(16);\n ETHER_TOKEN = IEtherToken(etherToken);\n ZRX_TOKEN = IERC20Token(zrxToken);\n }\n}\n", + "2.0.0/extensions/Forwarder/mixins/MAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssets.sol\";\n\n\ncontract MAssets is\n IAssets\n{\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract MExchangeWrapper {\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n}\n", + "2.0.0/extensions/Forwarder/mixins/MWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract MWeth {\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal;\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal;\n}\n", + "2.0.0/extensions/OrderValidator/OrderValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract OrderValidator {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n struct TraderInfo {\n uint256 makerBalance; // Maker's balance of makerAsset\n uint256 makerAllowance; // Maker's allowance to corresponding AssetProxy\n uint256 takerBalance; // Taker's balance of takerAsset\n uint256 takerAllowance; // Taker's allowance to corresponding AssetProxy\n uint256 makerZrxBalance; // Maker's balance of ZRX\n uint256 makerZrxAllowance; // Maker's allowance of ZRX to ERC20Proxy\n uint256 takerZrxBalance; // Taker's balance of ZRX\n uint256 takerZrxAllowance; // Taker's allowance of ZRX to ERC20Proxy\n }\n\n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n bytes internal ZRX_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (address _exchange, bytes memory _zrxAssetData)\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n }\n\n /// @dev Fetches information for order and maker/taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return OrderInfo and TraderInfo instances for given order.\n function getOrderAndTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo, TraderInfo memory traderInfo)\n {\n orderInfo = EXCHANGE.getOrderInfo(order);\n traderInfo = getTraderInfo(order, takerAddress);\n return (orderInfo, traderInfo);\n }\n\n /// @dev Fetches information for all passed in orders and the makers/takers of each order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Arrays of OrderInfo and TraderInfo instances that correspond to each order.\n function getOrdersAndTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (LibOrder.OrderInfo[] memory ordersInfo, TraderInfo[] memory tradersInfo)\n {\n ordersInfo = EXCHANGE.getOrdersInfo(orders);\n tradersInfo = getTradersInfo(orders, takerAddresses);\n return (ordersInfo, tradersInfo);\n }\n\n /// @dev Fetches balance and allowances for maker and taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return Balances and allowances of maker and taker of order.\n function getTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (TraderInfo memory traderInfo)\n {\n (traderInfo.makerBalance, traderInfo.makerAllowance) = getBalanceAndAllowance(order.makerAddress, order.makerAssetData);\n (traderInfo.takerBalance, traderInfo.takerAllowance) = getBalanceAndAllowance(takerAddress, order.takerAssetData);\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n (traderInfo.makerZrxBalance, traderInfo.makerZrxAllowance) = getBalanceAndAllowance(order.makerAddress, zrxAssetData);\n (traderInfo.takerZrxBalance, traderInfo.takerZrxAllowance) = getBalanceAndAllowance(takerAddress, zrxAssetData);\n return traderInfo;\n }\n\n /// @dev Fetches balances and allowances of maker and taker for each provided order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Array of balances and allowances for maker and taker of each order.\n function getTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (TraderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n TraderInfo[] memory tradersInfo = new TraderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n tradersInfo[i] = getTraderInfo(orders[i], takerAddresses[i]);\n }\n return tradersInfo;\n }\n\n /// @dev Fetches token balances and allowances of an address to given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Encoded data that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balance of asset and allowance set to given proxy of asset.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalanceAndAllowance(address target, bytes memory assetData)\n public\n view\n returns (uint256 balance, uint256 allowance)\n {\n bytes4 assetProxyId = assetData.readBytes4(0);\n address token = assetData.readAddress(16);\n address assetProxy = EXCHANGE.getAssetProxy(assetProxyId);\n\n if (assetProxyId == ERC20_DATA_ID) {\n // Query balance\n balance = IERC20Token(token).balanceOf(target);\n\n // Query allowance\n allowance = IERC20Token(token).allowance(target, assetProxy);\n } else if (assetProxyId == ERC721_DATA_ID) {\n uint256 tokenId = assetData.readUint256(36);\n\n // Query owner of tokenId\n address owner = getERC721TokenOwner(token, tokenId);\n\n // Set balance to 1 if tokenId is owned by target\n balance = target == owner ? 1 : 0;\n\n // Check if ERC721Proxy is approved to spend tokenId\n bool isApproved = IERC721Token(token).isApprovedForAll(target, assetProxy) || IERC721Token(token).getApproved(tokenId) == assetProxy;\n \n // Set alowance to 1 if ERC721Proxy is approved to spend tokenId\n allowance = isApproved ? 1 : 0;\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n return (balance, allowance);\n }\n\n /// @dev Fetches token balances and allowances of an address for each given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Array of encoded byte arrays that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balances and allowances of assets.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalancesAndAllowances(address target, bytes[] memory assetData)\n public\n view\n returns (uint256[] memory, uint256[] memory)\n {\n uint256 length = assetData.length;\n uint256[] memory balances = new uint256[](length);\n uint256[] memory allowances = new uint256[](length);\n for (uint256 i = 0; i != length; i++) {\n (balances[i], allowances[i]) = getBalanceAndAllowance(target, assetData[i]);\n }\n return (balances, allowances);\n }\n\n /// @dev Calls `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token.\n /// @param token Address of ERC721 token.\n /// @param tokenId The identifier for the specific NFT.\n /// @return Owner of tokenId or null address if unowned.\n function getERC721TokenOwner(address token, uint256 tokenId)\n public\n view\n returns (address owner)\n {\n assembly {\n // load free memory pointer\n let cdStart := mload(64)\n\n // bytes4(keccak256(ownerOf(uint256))) = 0x6352211e\n mstore(cdStart, 0x6352211e00000000000000000000000000000000000000000000000000000000)\n mstore(add(cdStart, 4), tokenId)\n\n // staticcall `ownerOf(tokenId)`\n // `ownerOf` will revert if tokenId is not owned\n let success := staticcall(\n gas, // forward all gas\n token, // call token contract\n cdStart, // start of calldata\n 36, // length of input is 36 bytes\n cdStart, // write output over input\n 32 // size of output is 32 bytes\n )\n\n // Success implies that tokenId is owned\n // Copy owner from return data if successful\n if success {\n owner := mload(cdStart)\n } \n }\n\n // Owner initialized to address(0), no need to modify if call is unsuccessful\n return owner;\n }\n}\n", + "2.0.0/multisig/MultiSigWallet.sol": "// solhint-disable\npragma solidity ^0.4.15;\n\n\n/// @title Multisignature wallet - Allows multiple parties to agree on transactions before execution.\n/// @author Stefan George - \ncontract MultiSigWallet {\n\n /*\n * Events\n */\n event Confirmation(address indexed sender, uint indexed transactionId);\n event Revocation(address indexed sender, uint indexed transactionId);\n event Submission(uint indexed transactionId);\n event Execution(uint indexed transactionId);\n event ExecutionFailure(uint indexed transactionId);\n event Deposit(address indexed sender, uint value);\n event OwnerAddition(address indexed owner);\n event OwnerRemoval(address indexed owner);\n event RequirementChange(uint required);\n\n /*\n * Constants\n */\n uint constant public MAX_OWNER_COUNT = 50;\n\n /*\n * Storage\n */\n mapping (uint => Transaction) public transactions;\n mapping (uint => mapping (address => bool)) public confirmations;\n mapping (address => bool) public isOwner;\n address[] public owners;\n uint public required;\n uint public transactionCount;\n\n struct Transaction {\n address destination;\n uint value;\n bytes data;\n bool executed;\n }\n\n /*\n * Modifiers\n */\n modifier onlyWallet() {\n require(msg.sender == address(this));\n _;\n }\n\n modifier ownerDoesNotExist(address owner) {\n require(!isOwner[owner]);\n _;\n }\n\n modifier ownerExists(address owner) {\n require(isOwner[owner]);\n _;\n }\n\n modifier transactionExists(uint transactionId) {\n require(transactions[transactionId].destination != 0);\n _;\n }\n\n modifier confirmed(uint transactionId, address owner) {\n require(confirmations[transactionId][owner]);\n _;\n }\n\n modifier notConfirmed(uint transactionId, address owner) {\n require(!confirmations[transactionId][owner]);\n _;\n }\n\n modifier notExecuted(uint transactionId) {\n require(!transactions[transactionId].executed);\n _;\n }\n\n modifier notNull(address _address) {\n require(_address != 0);\n _;\n }\n\n modifier validRequirement(uint ownerCount, uint _required) {\n require(ownerCount <= MAX_OWNER_COUNT\n && _required <= ownerCount\n && _required != 0\n && ownerCount != 0);\n _;\n }\n\n /// @dev Fallback function allows to deposit ether.\n function()\n payable\n {\n if (msg.value > 0)\n Deposit(msg.sender, msg.value);\n }\n\n /*\n * Public functions\n */\n /// @dev Contract constructor sets initial owners and required number of confirmations.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n function MultiSigWallet(address[] _owners, uint _required)\n public\n validRequirement(_owners.length, _required)\n {\n for (uint i=0; i<_owners.length; i++) {\n require(!isOwner[_owners[i]] && _owners[i] != 0);\n isOwner[_owners[i]] = true;\n }\n owners = _owners;\n required = _required;\n }\n\n /// @dev Allows to add a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of new owner.\n function addOwner(address owner)\n public\n onlyWallet\n ownerDoesNotExist(owner)\n notNull(owner)\n validRequirement(owners.length + 1, required)\n {\n isOwner[owner] = true;\n owners.push(owner);\n OwnerAddition(owner);\n }\n\n /// @dev Allows to remove an owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner.\n function removeOwner(address owner)\n public\n onlyWallet\n ownerExists(owner)\n {\n isOwner[owner] = false;\n for (uint i=0; i owners.length)\n changeRequirement(owners.length);\n OwnerRemoval(owner);\n }\n\n /// @dev Allows to replace an owner with a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner to be replaced.\n /// @param newOwner Address of new owner.\n function replaceOwner(address owner, address newOwner)\n public\n onlyWallet\n ownerExists(owner)\n ownerDoesNotExist(newOwner)\n {\n for (uint i=0; i\n// solhint-disable not-rely-on-time\ncontract MultiSigWalletWithTimeLock is\n MultiSigWallet\n{\n event ConfirmationTimeSet(uint256 indexed transactionId, uint256 confirmationTime);\n event TimeLockChange(uint256 secondsTimeLocked);\n\n uint256 public secondsTimeLocked;\n\n mapping (uint256 => uint256) public confirmationTimes;\n\n modifier notFullyConfirmed(uint256 transactionId) {\n require(\n !isConfirmed(transactionId),\n \"TX_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier fullyConfirmed(uint256 transactionId) {\n require(\n isConfirmed(transactionId),\n \"TX_NOT_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier pastTimeLock(uint256 transactionId) {\n require(\n block.timestamp >= confirmationTimes[transactionId] + secondsTimeLocked,\n \"TIME_LOCK_INCOMPLETE\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations, and time lock.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] _owners,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWallet(_owners, _required)\n {\n secondsTimeLocked = _secondsTimeLocked;\n }\n\n /// @dev Changes the duration of the time lock for transactions.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n function changeTimeLock(uint256 _secondsTimeLocked)\n public\n onlyWallet\n {\n secondsTimeLocked = _secondsTimeLocked;\n emit TimeLockChange(_secondsTimeLocked);\n }\n\n /// @dev Allows an owner to confirm a transaction.\n /// @param transactionId Transaction ID.\n function confirmTransaction(uint256 transactionId)\n public\n ownerExists(msg.sender)\n transactionExists(transactionId)\n notConfirmed(transactionId, msg.sender)\n notFullyConfirmed(transactionId)\n {\n confirmations[transactionId][msg.sender] = true;\n emit Confirmation(msg.sender, transactionId);\n if (isConfirmed(transactionId)) {\n setConfirmationTime(transactionId, block.timestamp);\n }\n }\n\n /// @dev Allows anyone to execute a confirmed transaction.\n /// @param transactionId Transaction ID.\n function executeTransaction(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n pastTimeLock(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n\n /// @dev Sets the time of when a submission first passed.\n function setConfirmationTime(uint256 transactionId, uint256 confirmationTime)\n internal\n {\n confirmationTimes[transactionId] = confirmationTime;\n emit ConfirmationTimeSet(transactionId, confirmationTime);\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC20Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n \n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 1 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n\n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. amount |\n\n /////// Read token address from calldata ///////\n // * The token address is stored in `assetData`.\n //\n // * The \"offset to assetData\" is stored at offset 4 in the calldata (table 1).\n // [assetDataOffsetFromParams = calldataload(4)]\n //\n // * Notes that the \"offset to assetData\" is relative to the \"Params\" area of calldata;\n // add 4 bytes to account for the length of the \"Header\" area (table 1).\n // [assetDataOffsetFromHeader = assetDataOffsetFromParams + 4]\n //\n // * The \"token address\" is offset 32+4=36 bytes into \"assetData\" (tables 1 & 2).\n // [tokenOffset = assetDataOffsetFromHeader + 36 = calldataload(4) + 4 + 36]\n let token := calldataload(add(calldataload(4), 40))\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from`, `to` and `amount` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 96)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output over input\n 32 // output size should be 32 bytes\n )\n\n /////// Check return data. ///////\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // nonzero 32 bytes value.\n // So the transfer succeeded if the call succeeded and either\n // returned nothing, or returned a non-zero 32 byte value. \n success := and(success, or(\n iszero(returndatasize),\n and(\n eq(returndatasize, 32),\n gt(mload(0), 0)\n )\n ))\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC721Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 2 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n // | | 36 | | 2. tokenId |\n \n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. tokenId |\n\n // There exists only 1 of each token.\n // require(amount == 1, \"INVALID_AMOUNT\")\n if sub(calldataload(100), 1) {\n // Revert with `Error(\"INVALID_AMOUNT\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from` and `to` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 64)\n\n // Copy `tokenId` field from our own calldata to the new calldata.\n let assetDataOffset := calldataload(4)\n calldatacopy(68, add(assetDataOffset, 72), 32)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let token := calldataload(add(assetDataOffset, 40))\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output to null\n 0 // output size is 0 bytes\n )\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAuthorizable.sol\";\n\n\ncontract MixinAuthorizable is\n Ownable,\n MAuthorizable\n{\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized {\n require(\n authorized[msg.sender],\n \"SENDER_NOT_AUTHORIZED\"\n );\n _;\n }\n\n mapping (address => bool) public authorized;\n address[] public authorities;\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n !authorized[target],\n \"TARGET_ALREADY_AUTHORIZED\"\n );\n\n authorized[target] = true;\n authorities.push(target);\n emit AuthorizedAddressAdded(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n\n delete authorized[target];\n for (uint256 i = 0; i < authorities.length; i++) {\n if (authorities[i] == target) {\n authorities[i] = authorities[authorities.length - 1];\n authorities.length -= 1;\n break;\n }\n }\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n require(\n index < authorities.length,\n \"INDEX_OUT_OF_BOUNDS\"\n );\n require(\n authorities[index] == target,\n \"AUTHORIZED_ADDRESS_MISMATCH\"\n );\n\n delete authorized[target];\n authorities[index] = authorities[authorities.length - 1];\n authorities.length -= 1;\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory)\n {\n return authorities;\n }\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IAuthorizable.sol\";\n\n\ncontract IAssetProxy is\n IAuthorizable\n{\n /// @dev Transfers assets. Either succeeds or throws.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n function transferFrom(\n bytes assetData,\n address from,\n address to,\n uint256 amount\n )\n external;\n \n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4);\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/Ownable/IOwnable.sol\";\n\n\ncontract IAuthorizable is\n IOwnable\n{\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external;\n \n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory);\n}\n", + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAuthorizable.sol\";\n\n\ncontract MAuthorizable is\n IAuthorizable\n{\n // Event logged when a new address is authorized.\n event AuthorizedAddressAdded(\n address indexed target,\n address indexed caller\n );\n\n // Event logged when a currently authorized address is unauthorized.\n event AuthorizedAddressRemoved(\n address indexed target,\n address indexed caller\n );\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized { revert(); _; }\n}\n", + "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../multisig/MultiSigWalletWithTimeLock.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract AssetProxyOwner is\n MultiSigWalletWithTimeLock\n{\n using LibBytes for bytes;\n\n event AssetProxyRegistration(address assetProxyContract, bool isRegistered);\n\n // Mapping of AssetProxy contract address =>\n // if this contract is allowed to call the AssetProxy's `removeAuthorizedAddressAtIndex` method without a time lock.\n mapping (address => bool) public isAssetProxyRegistered;\n\n bytes4 constant internal REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR = bytes4(keccak256(\"removeAuthorizedAddressAtIndex(address,uint256)\"));\n\n /// @dev Function will revert if the transaction does not call `removeAuthorizedAddressAtIndex`\n /// on an approved AssetProxy contract.\n modifier validRemoveAuthorizedAddressAtIndexTx(uint256 transactionId) {\n Transaction storage txn = transactions[transactionId];\n require(\n isAssetProxyRegistered[txn.destination],\n \"UNREGISTERED_ASSET_PROXY\"\n );\n require(\n txn.data.readBytes4(0) == REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR,\n \"INVALID_FUNCTION_SELECTOR\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations,\n /// time lock, and list of AssetProxy addresses.\n /// @param _owners List of initial owners.\n /// @param _assetProxyContracts Array of AssetProxy contract addresses.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] memory _owners,\n address[] memory _assetProxyContracts,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWalletWithTimeLock(_owners, _required, _secondsTimeLocked)\n {\n for (uint256 i = 0; i < _assetProxyContracts.length; i++) {\n address assetProxy = _assetProxyContracts[i];\n require(\n assetProxy != address(0),\n \"INVALID_ASSET_PROXY\"\n );\n isAssetProxyRegistered[assetProxy] = true;\n }\n }\n\n /// @dev Registers or deregisters an AssetProxy to be able to execute\n /// `removeAuthorizedAddressAtIndex` without a timelock.\n /// @param assetProxyContract Address of AssetProxy contract.\n /// @param isRegistered Status of approval for AssetProxy contract.\n function registerAssetProxy(address assetProxyContract, bool isRegistered)\n public\n onlyWallet\n notNull(assetProxyContract)\n {\n isAssetProxyRegistered[assetProxyContract] = isRegistered;\n emit AssetProxyRegistration(assetProxyContract, isRegistered);\n }\n\n /// @dev Allows execution of `removeAuthorizedAddressAtIndex` without time lock.\n /// @param transactionId Transaction ID.\n function executeRemoveAuthorizedAddressAtIndex(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n validRemoveAuthorizedAddressAtIndexTx(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n}\n", + "2.0.0/protocol/Exchange/Exchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinExchangeCore.sol\";\nimport \"./MixinSignatureValidator.sol\";\nimport \"./MixinWrapperFunctions.sol\";\nimport \"./MixinAssetProxyDispatcher.sol\";\nimport \"./MixinTransactions.sol\";\nimport \"./MixinMatchOrders.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Exchange is\n MixinExchangeCore,\n MixinMatchOrders,\n MixinSignatureValidator,\n MixinTransactions,\n MixinAssetProxyDispatcher,\n MixinWrapperFunctions\n{\n string constant public VERSION = \"2.0.1-alpha\";\n\n // Mixins are instantiated in the order they are inherited\n constructor (bytes memory _zrxAssetData)\n public\n LibConstants(_zrxAssetData) // @TODO: Remove when we deploy.\n MixinExchangeCore()\n MixinMatchOrders()\n MixinSignatureValidator()\n MixinTransactions()\n MixinAssetProxyDispatcher()\n MixinWrapperFunctions()\n {}\n}\n", + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\nimport \"../AssetProxy/interfaces/IAssetProxy.sol\";\n\n\ncontract MixinAssetProxyDispatcher is\n Ownable,\n MAssetProxyDispatcher\n{\n // Mapping from Asset Proxy Id's to their respective Asset Proxy\n mapping (bytes4 => IAssetProxy) public assetProxies;\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external\n onlyOwner\n {\n IAssetProxy assetProxyContract = IAssetProxy(assetProxy);\n\n // Ensure that no asset proxy exists with current id.\n bytes4 assetProxyId = assetProxyContract.getProxyId();\n address currentAssetProxy = assetProxies[assetProxyId];\n require(\n currentAssetProxy == address(0),\n \"ASSET_PROXY_ALREADY_EXISTS\"\n );\n\n // Add asset proxy and log registration.\n assetProxies[assetProxyId] = assetProxyContract;\n emit AssetProxyRegistered(\n assetProxyId,\n assetProxy\n );\n }\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address)\n {\n return assetProxies[assetProxyId];\n }\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal\n {\n // Do nothing if no amount should be transferred.\n if (amount > 0 && from != to) {\n // Ensure assetData length is valid\n require(\n assetData.length > 3,\n \"LENGTH_GREATER_THAN_3_REQUIRED\"\n );\n \n // Lookup assetProxy. We do not use `LibBytes.readBytes4` for gas efficiency reasons.\n bytes4 assetProxyId;\n assembly {\n assetProxyId := and(mload(\n add(assetData, 32)),\n 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000\n )\n }\n address assetProxy = assetProxies[assetProxyId];\n\n // Ensure that assetProxy exists\n require(\n assetProxy != address(0),\n \"ASSET_PROXY_DOES_NOT_EXIST\"\n );\n \n // We construct calldata for the `assetProxy.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n\n assembly {\n /////// Setup State ///////\n // `cdStart` is the start of the calldata for `assetProxy.transferFrom` (equal to free memory ptr).\n let cdStart := mload(64)\n // `dataAreaLength` is the total number of words needed to store `assetData`\n // As-per the ABI spec, this value is padded up to the nearest multiple of 32,\n // and includes 32-bytes for length.\n let dataAreaLength := and(add(mload(assetData), 63), 0xFFFFFFFFFFFE0)\n // `cdEnd` is the end of the calldata for `assetProxy.transferFrom`.\n let cdEnd := add(cdStart, add(132, dataAreaLength))\n\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFromSelector`.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes.\n // Notes:\n // 1. The offset to `assetData` is the length of the Params Area (128 bytes).\n // 2. A 20-byte mask is applied to addresses to zero-out the unused bytes.\n mstore(add(cdStart, 4), 128)\n mstore(add(cdStart, 36), and(from, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 68), and(to, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 100), amount)\n \n /////// Setup Data Area ///////\n // This area holds `assetData`.\n let dataArea := add(cdStart, 132)\n // solhint-disable-next-line no-empty-blocks\n for {} lt(dataArea, cdEnd) {} {\n mstore(dataArea, mload(assetData))\n dataArea := add(dataArea, 32)\n assetData := add(assetData, 32)\n }\n\n /////// Call `assetProxy.transferFrom` using the constructed calldata ///////\n let success := call(\n gas, // forward all gas\n assetProxy, // call address of asset proxy\n 0, // don't send any ETH\n cdStart, // pointer to start of input\n sub(cdEnd, cdStart), // length of input \n cdStart, // write output over input\n 512 // reserve 512 bytes for output\n )\n if iszero(success) {\n revert(cdStart, returndatasize())\n }\n }\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinExchangeCore is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n LibOrder,\n LibFillResults,\n MAssetProxyDispatcher,\n MExchangeCore,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of orderHash => amount of takerAsset already bought by maker\n mapping (bytes32 => uint256) public filled;\n\n // Mapping of orderHash => cancelled\n mapping (bytes32 => bool) public cancelled;\n\n // Mapping of makerAddress => senderAddress => lowest salt an order can have in order to be fillable\n // Orders with specified senderAddress and with a salt less than their epoch are considered cancelled\n mapping (address => mapping (address => uint256)) public orderEpoch;\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external\n nonReentrant\n {\n address makerAddress = getCurrentContextAddress();\n // If this function is called via `executeTransaction`, we only update the orderEpoch for the makerAddress/msg.sender combination.\n // This allows external filter contracts to add rules to how orders are cancelled via this function.\n address senderAddress = makerAddress == msg.sender ? address(0) : msg.sender;\n\n // orderEpoch is initialized to 0, so to cancelUpTo we need salt + 1\n uint256 newOrderEpoch = targetOrderEpoch + 1; \n uint256 oldOrderEpoch = orderEpoch[makerAddress][senderAddress];\n\n // Ensure orderEpoch is monotonically increasing\n require(\n newOrderEpoch > oldOrderEpoch, \n \"INVALID_NEW_ORDER_EPOCH\"\n );\n\n // Update orderEpoch\n orderEpoch[makerAddress][senderAddress] = newOrderEpoch;\n emit CancelUpTo(\n makerAddress,\n senderAddress,\n newOrderEpoch\n );\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrder(Order memory order)\n public\n nonReentrant\n {\n cancelOrderInternal(order);\n }\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(Order memory order)\n public\n view\n returns (OrderInfo memory orderInfo)\n {\n // Compute the order hash\n orderInfo.orderHash = getOrderHash(order);\n\n // Fetch filled amount\n orderInfo.orderTakerAssetFilledAmount = filled[orderInfo.orderHash];\n\n // If order.makerAssetAmount is zero, we also reject the order.\n // While the Exchange contract handles them correctly, they create\n // edge cases in the supporting infrastructure because they have\n // an 'infinite' price when computed by a simple division.\n if (order.makerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_MAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // If order.takerAssetAmount is zero, then the order will always\n // be considered filled because 0 == takerAssetAmount == orderTakerAssetFilledAmount\n // Instead of distinguishing between unfilled and filled zero taker\n // amount orders, we choose not to support them.\n if (order.takerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_TAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // Validate order availability\n if (orderInfo.orderTakerAssetFilledAmount >= order.takerAssetAmount) {\n orderInfo.orderStatus = uint8(OrderStatus.FULLY_FILLED);\n return orderInfo;\n }\n\n // Validate order expiration\n // solhint-disable-next-line not-rely-on-time\n if (block.timestamp >= order.expirationTimeSeconds) {\n orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);\n return orderInfo;\n }\n\n // Check if order has been cancelled\n if (cancelled[orderInfo.orderHash]) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n if (orderEpoch[order.makerAddress][order.senderAddress] > order.salt) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n\n // All other statuses are ruled out: order is Fillable\n orderInfo.orderStatus = uint8(OrderStatus.FILLABLE);\n return orderInfo;\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // Fetch order info\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Assert that the order is fillable by taker\n assertFillableOrder(\n order,\n orderInfo,\n takerAddress,\n signature\n );\n \n // Get amount of takerAsset to fill\n uint256 remainingTakerAssetAmount = safeSub(order.takerAssetAmount, orderInfo.orderTakerAssetFilledAmount);\n uint256 takerAssetFilledAmount = min256(takerAssetFillAmount, remainingTakerAssetAmount);\n\n // Validate context\n assertValidFill(\n order,\n orderInfo,\n takerAssetFillAmount,\n takerAssetFilledAmount,\n fillResults.makerAssetFilledAmount\n );\n\n // Compute proportional fill amounts\n fillResults = calculateFillResults(order, takerAssetFilledAmount);\n\n // Update exchange internal state\n updateFilledState(\n order,\n takerAddress,\n orderInfo.orderHash,\n orderInfo.orderTakerAssetFilledAmount,\n fillResults\n );\n \n // Settle order\n settleOrder(\n order,\n takerAddress,\n fillResults\n );\n\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrderInternal(Order memory order)\n internal\n {\n // Fetch current order status\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Validate context\n assertValidCancel(order, orderInfo);\n\n // Perform cancel\n updateCancelledState(order, orderInfo.orderHash);\n }\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n function updateFilledState(\n Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n FillResults memory fillResults\n )\n internal\n {\n // Update state\n filled[orderHash] = safeAdd(orderTakerAssetFilledAmount, fillResults.takerAssetFilledAmount);\n\n // Log order\n emit Fill(\n order.makerAddress,\n order.feeRecipientAddress,\n takerAddress,\n msg.sender,\n fillResults.makerAssetFilledAmount,\n fillResults.takerAssetFilledAmount,\n fillResults.makerFeePaid,\n fillResults.takerFeePaid,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n Order memory order,\n bytes32 orderHash\n )\n internal\n {\n // Perform cancel\n cancelled[orderHash] = true;\n\n // Log cancel\n emit Cancel(\n order.makerAddress,\n order.feeRecipientAddress,\n msg.sender,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n Order memory order,\n OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view\n {\n // An order can only be filled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n \n // Validate sender is allowed to fill this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n \n // Validate taker is allowed to fill this order\n if (order.takerAddress != address(0)) {\n require(\n order.takerAddress == takerAddress,\n \"INVALID_TAKER\"\n );\n }\n \n // Validate Maker signature (check only if first time seen)\n if (orderInfo.orderTakerAssetFilledAmount == 0) {\n require(\n isValidSignature(\n orderInfo.orderHash,\n order.makerAddress,\n signature\n ),\n \"INVALID_ORDER_SIGNATURE\"\n );\n }\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n Order memory order,\n OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount, // TODO: use FillResults\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view\n {\n // Revert if fill amount is invalid\n // TODO: reconsider necessity for v2.1\n require(\n takerAssetFillAmount != 0,\n \"INVALID_TAKER_AMOUNT\"\n );\n \n // Make sure taker does not pay more than desired amount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n takerAssetFilledAmount <= takerAssetFillAmount,\n \"TAKER_OVERPAY\"\n );\n \n // Make sure order is not overfilled\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeAdd(orderInfo.orderTakerAssetFilledAmount, takerAssetFilledAmount) <= order.takerAssetAmount,\n \"ORDER_OVERFILL\"\n );\n \n // Make sure order is filled at acceptable price.\n // The order has an implied price from the makers perspective:\n // order price = order.makerAssetAmount / order.takerAssetAmount\n // i.e. the number of makerAsset maker is paying per takerAsset. The\n // maker is guaranteed to get this price or a better (lower) one. The\n // actual price maker is getting in this fill is:\n // fill price = makerAssetFilledAmount / takerAssetFilledAmount\n // We need `fill price <= order price` for the fill to be fair to maker.\n // This amounts to:\n // makerAssetFilledAmount order.makerAssetAmount\n // ------------------------ <= -----------------------\n // takerAssetFilledAmount order.takerAssetAmount\n // or, equivalently:\n // makerAssetFilledAmount * order.takerAssetAmount <=\n // order.makerAssetAmount * takerAssetFilledAmount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeMul(makerAssetFilledAmount, order.takerAssetAmount)\n <= \n safeMul(order.makerAssetAmount, takerAssetFilledAmount),\n \"INVALID_FILL_PRICE\"\n );\n }\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n Order memory order,\n OrderInfo memory orderInfo\n )\n internal\n view\n {\n // Ensure order is valid\n // An order can only be cancelled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Validate sender is allowed to cancel this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate transaction signed by maker\n address makerAddress = getCurrentContextAddress();\n require(\n order.makerAddress == makerAddress,\n \"INVALID_MAKER\"\n );\n }\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (FillResults memory fillResults)\n {\n // Compute proportional transfer amounts\n fillResults.takerAssetFilledAmount = takerAssetFilledAmount;\n fillResults.makerAssetFilledAmount = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n );\n fillResults.makerFeePaid = safeGetPartialAmountFloor(\n fillResults.makerAssetFilledAmount,\n order.makerAssetAmount,\n order.makerFee\n );\n fillResults.takerFeePaid = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.takerFee\n );\n\n return fillResults;\n }\n\n /// @dev Settles an order by transferring assets between counterparties.\n /// @param order Order struct containing order specifications.\n /// @param takerAddress Address selling takerAsset and buying makerAsset.\n /// @param fillResults Amounts to be filled and fees paid by maker and taker.\n function settleOrder(\n LibOrder.Order memory order,\n address takerAddress,\n LibFillResults.FillResults memory fillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n dispatchTransferFrom(\n order.makerAssetData,\n order.makerAddress,\n takerAddress,\n fillResults.makerAssetFilledAmount\n );\n dispatchTransferFrom(\n order.takerAssetData,\n takerAddress,\n order.makerAddress,\n fillResults.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n zrxAssetData,\n order.makerAddress,\n order.feeRecipientAddress,\n fillResults.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n order.feeRecipientAddress,\n fillResults.takerFeePaid\n );\n }\n}\n", + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": "/*\n Copyright 2018 ZeroEx Intl.\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n http://www.apache.org/licenses/LICENSE-2.0\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MMatchOrders.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinMatchOrders is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n MAssetProxyDispatcher,\n MExchangeCore,\n MMatchOrders,\n MTransactions\n{\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n nonReentrant\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We assume that rightOrder.takerAssetData == leftOrder.makerAssetData and rightOrder.makerAssetData == leftOrder.takerAssetData.\n // If this assumption isn't true, the match will fail at signature validation.\n rightOrder.makerAssetData = leftOrder.takerAssetData;\n rightOrder.takerAssetData = leftOrder.makerAssetData;\n\n // Get left & right order info\n LibOrder.OrderInfo memory leftOrderInfo = getOrderInfo(leftOrder);\n LibOrder.OrderInfo memory rightOrderInfo = getOrderInfo(rightOrder);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Either our context is valid or we revert\n assertFillableOrder(\n leftOrder,\n leftOrderInfo,\n takerAddress,\n leftSignature\n );\n assertFillableOrder(\n rightOrder,\n rightOrderInfo,\n takerAddress,\n rightSignature\n );\n assertValidMatch(leftOrder, rightOrder);\n\n // Compute proportional fill amounts\n matchedFillResults = calculateMatchedFillResults(\n leftOrder,\n rightOrder,\n leftOrderInfo.orderTakerAssetFilledAmount,\n rightOrderInfo.orderTakerAssetFilledAmount\n );\n\n // Validate fill contexts\n assertValidFill(\n leftOrder,\n leftOrderInfo,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.makerAssetFilledAmount\n );\n assertValidFill(\n rightOrder,\n rightOrderInfo,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n \n // Update exchange state\n updateFilledState(\n leftOrder,\n takerAddress,\n leftOrderInfo.orderHash,\n leftOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.left\n );\n updateFilledState(\n rightOrder,\n takerAddress,\n rightOrderInfo.orderHash,\n rightOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.right\n );\n\n // Settle matched orders. Succeeds or throws.\n settleMatchedOrders(\n leftOrder,\n rightOrder,\n takerAddress,\n matchedFillResults\n );\n\n return matchedFillResults;\n }\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure\n {\n // Make sure there is a profitable spread.\n // There is a profitable spread iff the cost per unit bought (OrderA.MakerAmount/OrderA.TakerAmount) for each order is greater\n // than the profit per unit sold of the matched order (OrderB.TakerAmount/OrderB.MakerAmount).\n // This is satisfied by the equations below:\n // / >= / \n // AND\n // / >= / \n // These equations can be combined to get the following:\n require(\n safeMul(leftOrder.makerAssetAmount, rightOrder.makerAssetAmount) >=\n safeMul(leftOrder.takerAssetAmount, rightOrder.takerAssetAmount),\n \"NEGATIVE_SPREAD_REQUIRED\"\n );\n }\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // Derive maker asset amounts for left & right orders, given store taker assert amounts\n uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);\n uint256 leftMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n leftTakerAssetAmountRemaining\n );\n uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);\n uint256 rightMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n rightOrder.makerAssetAmount,\n rightOrder.takerAssetAmount,\n rightTakerAssetAmountRemaining\n );\n\n // Calculate fill results for maker and taker assets: at least one order will be fully filled.\n // The maximum amount the left maker can buy is `leftTakerAssetAmountRemaining`\n // The maximum amount the right maker can sell is `rightMakerAssetAmountRemaining`\n // We have two distinct cases for calculating the fill results:\n // Case 1.\n // If the left maker can buy more than the right maker can sell, then only the right order is fully filled.\n // If the left maker can buy exactly what the right maker can sell, then both orders are fully filled.\n // Case 2.\n // If the left maker cannot buy more than the right maker can sell, then only the left order is fully filled.\n if (leftTakerAssetAmountRemaining >= rightMakerAssetAmountRemaining) {\n // Case 1: Right order is fully filled\n matchedFillResults.right.makerAssetFilledAmount = rightMakerAssetAmountRemaining;\n matchedFillResults.right.takerAssetFilledAmount = rightTakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = matchedFillResults.right.makerAssetFilledAmount;\n // Round down to ensure the maker's exchange rate does not exceed the price specified by the order. \n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.left.makerAssetFilledAmount = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n matchedFillResults.left.takerAssetFilledAmount\n );\n } else {\n // Case 2: Left order is fully filled\n matchedFillResults.left.makerAssetFilledAmount = leftMakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = leftTakerAssetAmountRemaining;\n matchedFillResults.right.makerAssetFilledAmount = matchedFillResults.left.takerAssetFilledAmount;\n // Round up to ensure the maker's exchange rate does not exceed the price specified by the order.\n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.right.takerAssetFilledAmount = safeGetPartialAmountCeil(\n rightOrder.takerAssetAmount,\n rightOrder.makerAssetAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n }\n\n // Calculate amount given to taker\n matchedFillResults.leftMakerAssetSpreadAmount = safeSub(\n matchedFillResults.left.makerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount\n );\n\n // Compute fees for left order\n matchedFillResults.left.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.makerAssetFilledAmount,\n leftOrder.makerAssetAmount,\n leftOrder.makerFee\n );\n matchedFillResults.left.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.takerAssetFilledAmount,\n leftOrder.takerAssetAmount,\n leftOrder.takerFee\n );\n\n // Compute fees for right order\n matchedFillResults.right.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.makerAssetFilledAmount,\n rightOrder.makerAssetAmount,\n rightOrder.makerFee\n );\n matchedFillResults.right.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.takerAssetFilledAmount,\n rightOrder.takerAssetAmount,\n rightOrder.takerFee\n );\n\n // Return fill results\n return matchedFillResults;\n }\n\n /// @dev Settles matched order by transferring appropriate funds between order makers, taker, and fee recipient.\n /// @param leftOrder First matched order.\n /// @param rightOrder Second matched order.\n /// @param takerAddress Address that matched the orders. The taker receives the spread between orders as profit.\n /// @param matchedFillResults Struct holding amounts to transfer between makers, taker, and fee recipients.\n function settleMatchedOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n address takerAddress,\n LibFillResults.MatchedFillResults memory matchedFillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n // Order makers and taker\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n rightOrder.makerAddress,\n matchedFillResults.right.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n rightOrder.makerAssetData,\n rightOrder.makerAddress,\n leftOrder.makerAddress,\n matchedFillResults.left.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n takerAddress,\n matchedFillResults.leftMakerAssetSpreadAmount\n );\n\n // Maker fees\n dispatchTransferFrom(\n zrxAssetData,\n leftOrder.makerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n rightOrder.makerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.makerFeePaid\n );\n\n // Taker fees\n if (leftOrder.feeRecipientAddress == rightOrder.feeRecipientAddress) {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n safeAdd(\n matchedFillResults.left.takerFeePaid,\n matchedFillResults.right.takerFeePaid\n )\n );\n } else {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.takerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.takerFeePaid\n );\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./interfaces/IWallet.sol\";\nimport \"./interfaces/IValidator.sol\";\n\n\ncontract MixinSignatureValidator is\n ReentrancyGuard,\n MSignatureValidator,\n MTransactions\n{\n using LibBytes for bytes;\n \n // Mapping of hash => signer => signed\n mapping (bytes32 => mapping (address => bool)) public preSigned;\n\n // Mapping of signer => validator => approved\n mapping (address => mapping (address => bool)) public allowedValidators;\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n {\n if (signerAddress != msg.sender) {\n require(\n isValidSignature(\n hash,\n signerAddress,\n signature\n ),\n \"INVALID_SIGNATURE\"\n );\n }\n preSigned[hash][signerAddress] = true;\n }\n\n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external\n nonReentrant\n {\n address signerAddress = getCurrentContextAddress();\n allowedValidators[signerAddress][validatorAddress] = approval;\n emit SignatureValidatorApproval(\n signerAddress,\n validatorAddress,\n approval\n );\n }\n\n /// @dev Verifies that a hash has been signed by the given signer.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid)\n {\n require(\n signature.length > 0,\n \"LENGTH_GREATER_THAN_0_REQUIRED\"\n );\n\n // Pop last byte off of signature byte array.\n uint8 signatureTypeRaw = uint8(signature.popLastByte());\n\n // Ensure signature is supported\n require(\n signatureTypeRaw < uint8(SignatureType.NSignatureTypes),\n \"SIGNATURE_UNSUPPORTED\"\n );\n\n SignatureType signatureType = SignatureType(signatureTypeRaw);\n\n // Variables are not scoped in Solidity.\n uint8 v;\n bytes32 r;\n bytes32 s;\n address recovered;\n\n // Always illegal signature.\n // This is always an implicit option since a signer can create a\n // signature array with invalid type or length. We may as well make\n // it an explicit option. This aids testing and analysis. It is\n // also the initialization value for the enum type.\n if (signatureType == SignatureType.Illegal) {\n revert(\"SIGNATURE_ILLEGAL\");\n\n // Always invalid signature.\n // Like Illegal, this is always implicitly available and therefore\n // offered explicitly. It can be implicitly created by providing\n // a correctly formatted but incorrect signature.\n } else if (signatureType == SignatureType.Invalid) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = false;\n return isValid;\n\n // Signature using EIP712\n } else if (signatureType == SignatureType.EIP712) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n hash,\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signed using web3.eth_sign\n } else if (signatureType == SignatureType.EthSign) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n32\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signature verified by wallet contract.\n // If used with an order, the maker of the order is the wallet contract.\n } else if (signatureType == SignatureType.Wallet) {\n isValid = isValidWalletSignature(\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signature verified by validator contract.\n // If used with an order, the maker of the order can still be an EOA.\n // A signature using this type should be encoded as:\n // | Offset | Length | Contents |\n // | 0x00 | x | Signature to validate |\n // | 0x00 + x | 20 | Address of validator contract |\n // | 0x14 + x | 1 | Signature type is always \"\\x06\" |\n } else if (signatureType == SignatureType.Validator) {\n // Pop last 20 bytes off of signature byte array.\n address validatorAddress = signature.popLast20Bytes();\n \n // Ensure signer has approved validator.\n if (!allowedValidators[signerAddress][validatorAddress]) {\n return false;\n }\n isValid = isValidValidatorSignature(\n validatorAddress,\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signer signed hash previously using the preSign function.\n } else if (signatureType == SignatureType.PreSigned) {\n isValid = preSigned[hash][signerAddress];\n return isValid;\n }\n\n // Anything else is illegal (We do not return false because\n // the signature may actually be valid, just not in a format\n // that we currently support. In this case returning false\n // may lead the caller to incorrectly believe that the\n // signature was invalid.)\n revert(\"SIGNATURE_UNSUPPORTED\");\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if signature is valid for given wallet..\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IWallet(walletAddress).isValidSignature.selector,\n hash,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n walletAddress, // address of Wallet contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"WALLET_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000c57414c4c45545f4552524f5200000000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IValidator(signerAddress).isValidSignature.selector,\n hash,\n signerAddress,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n validatorAddress, // address of Validator contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"VALIDATOR_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f56414c494441544f525f4552524f5200000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n}\n", + "2.0.0/protocol/Exchange/MixinTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"./libs/LibExchangeErrors.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./libs/LibEIP712.sol\";\n\n\ncontract MixinTransactions is\n LibEIP712,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of transaction hash => executed\n // This prevents transactions from being executed more than once.\n mapping (bytes32 => bool) public transactions;\n\n // Address of current transaction signer\n address public currentContextAddress;\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external\n {\n // Prevent reentrancy\n require(\n currentContextAddress == address(0),\n \"REENTRANCY_ILLEGAL\"\n );\n\n bytes32 transactionHash = hashEIP712Message(hashZeroExTransaction(\n salt,\n signerAddress,\n data\n ));\n\n // Validate transaction has not been executed\n require(\n !transactions[transactionHash],\n \"INVALID_TX_HASH\"\n );\n\n // Transaction always valid if signer is sender of transaction\n if (signerAddress != msg.sender) {\n // Validate signature\n require(\n isValidSignature(\n transactionHash,\n signerAddress,\n signature\n ),\n \"INVALID_TX_SIGNATURE\"\n );\n\n // Set the current transaction signer\n currentContextAddress = signerAddress;\n }\n\n // Execute transaction\n transactions[transactionHash] = true;\n require(\n address(this).delegatecall(data),\n \"FAILED_EXECUTION\"\n );\n\n // Reset current transaction signer if it was previously updated\n if (signerAddress != msg.sender) {\n currentContextAddress = address(0);\n }\n }\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;\n bytes32 dataHash = keccak256(data);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,\n // salt,\n // bytes32(signerAddress),\n // keccak256(data)\n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, schemaHash) // hash of schema\n mstore(add(memPtr, 32), salt) // salt\n mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff)) // signerAddress\n mstore(add(memPtr, 96), dataHash) // hash of data\n\n // Compute hash\n result := keccak256(memPtr, 128)\n }\n return result;\n }\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address)\n {\n address currentContextAddress_ = currentContextAddress;\n address contextAddress = currentContextAddress_ == address(0) ? msg.sender : currentContextAddress_;\n return contextAddress;\n }\n}\n", + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibAbiEncoder.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MWrapperFunctions.sol\";\n\n\ncontract MixinWrapperFunctions is\n ReentrancyGuard,\n LibMath,\n LibFillResults,\n LibAbiEncoder,\n MExchangeCore,\n MWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrKillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n // Delegate to `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := delegatecall(\n gas, // forward all gas\n address, // call address of this contract\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrKillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n \n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public\n nonReentrant\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n cancelOrderInternal(orders[i]);\n }\n }\n\n /// @dev Fetches information for all passed in orders.\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n LibOrder.OrderInfo[] memory ordersInfo = new LibOrder.OrderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n ordersInfo[i] = getOrderInfo(orders[i]);\n }\n return ordersInfo;\n }\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n require(\n fillResults.takerAssetFilledAmount == takerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return fillResults;\n }\n}\n", + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssetProxyDispatcher {\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external;\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./IExchangeCore.sol\";\nimport \"./IMatchOrders.sol\";\nimport \"./ISignatureValidator.sol\";\nimport \"./ITransactions.sol\";\nimport \"./IAssetProxyDispatcher.sol\";\nimport \"./IWrapperFunctions.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract IExchange is\n IExchangeCore,\n IMatchOrders,\n ISignatureValidator,\n ITransactions,\n IAssetProxyDispatcher,\n IWrapperFunctions\n{}\n", + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IExchangeCore {\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external;\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrder(LibOrder.Order memory order)\n public;\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(LibOrder.Order memory order)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IMatchOrders {\n\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ISignatureValidator {\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external;\n \n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external;\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address of signer.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\n\ncontract ITransactions {\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external;\n}\n", + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IValidator {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IWallet {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IWrapperFunctions {\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public;\n\n /// @dev Fetches information for all passed in orders\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory);\n}\n", + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./LibOrder.sol\";\n\n\ncontract LibAbiEncoder {\n\n /// @dev ABI encodes calldata for `fillOrder`.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return ABI encoded calldata for `fillOrder`.\n function abiEncodeFillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n pure\n returns (bytes memory fillOrderCalldata)\n {\n // We need to call MExchangeCore.fillOrder using a delegatecall in\n // assembly so that we can intercept a call that throws. For this, we\n // need the input encoded in memory in the Ethereum ABIv2 format [1].\n\n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0x00 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 0x00 | | 1. offset to order (*) |\n // | | 0x20 | | 2. takerAssetFillAmount |\n // | | 0x40 | | 3. offset to signature (*) |\n // | Data | | 12 * 32 | order: |\n // | | 0x000 | | 1. senderAddress |\n // | | 0x020 | | 2. makerAddress |\n // | | 0x040 | | 3. takerAddress |\n // | | 0x060 | | 4. feeRecipientAddress |\n // | | 0x080 | | 5. makerAssetAmount |\n // | | 0x0A0 | | 6. takerAssetAmount |\n // | | 0x0C0 | | 7. makerFeeAmount |\n // | | 0x0E0 | | 8. takerFeeAmount |\n // | | 0x100 | | 9. expirationTimeSeconds |\n // | | 0x120 | | 10. salt |\n // | | 0x140 | | 11. Offset to makerAssetData (*) |\n // | | 0x160 | | 12. Offset to takerAssetData (*) |\n // | | 0x180 | 32 | makerAssetData Length |\n // | | 0x1A0 | ** | makerAssetData Contents |\n // | | 0x1C0 | 32 | takerAssetData Length |\n // | | 0x1E0 | ** | takerAssetData Contents |\n // | | 0x200 | 32 | signature Length |\n // | | 0x220 | ** | signature Contents |\n\n // * Offsets are calculated from the beginning of the current area: Header, Params, Data:\n // An offset stored in the Params area is calculated from the beginning of the Params section.\n // An offset stored in the Data area is calculated from the beginning of the Data section.\n\n // ** The length of dynamic array contents are stored in the field immediately preceeding the contents.\n\n // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html\n\n assembly {\n\n // Areas below may use the following variables:\n // 1. Start -- Start of this area in memory\n // 2. End -- End of this area in memory. This value may\n // be precomputed (before writing contents),\n // or it may be computed as contents are written.\n // 3. Offset -- Current offset into area. If an area's End\n // is precomputed, this variable tracks the\n // offsets of contents as they are written.\n\n /////// Setup Header Area ///////\n // Load free memory pointer\n fillOrderCalldata := mload(0x40)\n // bytes4(keccak256(\"fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)\"))\n // = 0xb4be83d5\n // Leave 0x20 bytes to store the length\n mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000)\n let headerAreaEnd := add(fillOrderCalldata, 0x24)\n\n /////// Setup Params Area ///////\n // This area is preallocated and written to later.\n // This is because we need to fill in offsets that have not yet been calculated.\n let paramsAreaStart := headerAreaEnd\n let paramsAreaEnd := add(paramsAreaStart, 0x60)\n let paramsAreaOffset := paramsAreaStart\n\n /////// Setup Data Area ///////\n let dataAreaStart := paramsAreaEnd\n let dataAreaEnd := dataAreaStart\n\n // Offset from the source data we're reading from\n let sourceOffset := order\n // arrayLenBytes and arrayLenWords track the length of a dynamically-allocated bytes array.\n let arrayLenBytes := 0\n let arrayLenWords := 0\n\n /////// Write order Struct ///////\n // Write memory location of Order, relative to the start of the\n // parameter list, then increment the paramsAreaOffset respectively.\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n // Write values for each field in the order\n // It would be nice to use a loop, but we save on gas by writing\n // the stores sequentially.\n mstore(dataAreaEnd, mload(sourceOffset)) // makerAddress\n mstore(add(dataAreaEnd, 0x20), mload(add(sourceOffset, 0x20))) // takerAddress\n mstore(add(dataAreaEnd, 0x40), mload(add(sourceOffset, 0x40))) // feeRecipientAddress\n mstore(add(dataAreaEnd, 0x60), mload(add(sourceOffset, 0x60))) // senderAddress\n mstore(add(dataAreaEnd, 0x80), mload(add(sourceOffset, 0x80))) // makerAssetAmount\n mstore(add(dataAreaEnd, 0xA0), mload(add(sourceOffset, 0xA0))) // takerAssetAmount\n mstore(add(dataAreaEnd, 0xC0), mload(add(sourceOffset, 0xC0))) // makerFeeAmount\n mstore(add(dataAreaEnd, 0xE0), mload(add(sourceOffset, 0xE0))) // takerFeeAmount\n mstore(add(dataAreaEnd, 0x100), mload(add(sourceOffset, 0x100))) // expirationTimeSeconds\n mstore(add(dataAreaEnd, 0x120), mload(add(sourceOffset, 0x120))) // salt\n mstore(add(dataAreaEnd, 0x140), mload(add(sourceOffset, 0x140))) // Offset to makerAssetData\n mstore(add(dataAreaEnd, 0x160), mload(add(sourceOffset, 0x160))) // Offset to takerAssetData\n dataAreaEnd := add(dataAreaEnd, 0x180)\n sourceOffset := add(sourceOffset, 0x180)\n\n // Write offset to \n mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x140)) // makerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Write offset to \n mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x160)) // takerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n /////// Write takerAssetFillAmount ///////\n mstore(paramsAreaOffset, takerAssetFillAmount)\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n /////// Write signature ///////\n // Write offset to paramsArea\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n\n // Calculate length of signature\n sourceOffset := signature\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of signature\n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of signature\n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Set length of calldata\n mstore(fillOrderCalldata, sub(dataAreaEnd, add(fillOrderCalldata, 0x20)))\n\n // Increment free memory pointer\n mstore(0x40, dataAreaEnd)\n }\n\n return fillOrderCalldata;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\n// solhint-disable max-line-length\ncontract LibConstants {\n \n // Asset data for ZRX token. Used for fee transfers.\n // @TODO: Hardcode constant when we deploy. Currently \n // not constant to make testing easier.\n\n // The proxyId for ZRX_ASSET_DATA is bytes4(keccak256(\"ERC20Token(address)\")) = 0xf47261b0\n \n // Kovan ZRX address is 0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570.\n // The ABI encoded proxyId and address is 0xf47261b00000000000000000000000006ff6c0ff1d68b964901f986d4c9fa3ac68346570\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x6f\\xf6\\xc0\\xff\\x1d\\x68\\xb9\\x64\\x90\\x1f\\x98\\x6d\\x4c\\x9f\\xa3\\xac\\x68\\x34\\x65\\x70\";\n \n // Mainnet ZRX address is 0xe41d2489571d322189246dafa5ebde1f4699f498.\n // The ABI encoded proxyId and address is 0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xe4\\x1d\\x24\\x89\\x57\\x1d\\x32\\x21\\x89\\x24\\x6d\\xaf\\xa5\\xeb\\xde\\x1f\\x46\\x99\\xf4\\x98\";\n \n // solhint-disable-next-line var-name-mixedcase\n bytes public ZRX_ASSET_DATA;\n\n // @TODO: Remove when we deploy.\n constructor (bytes memory zrxAssetData)\n public\n {\n ZRX_ASSET_DATA = zrxAssetData;\n }\n}\n// solhint-enable max-line-length\n", + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract LibEIP712 {\n\n // EIP191 header for EIP712 prefix\n string constant internal EIP191_HEADER = \"\\x19\\x01\";\n\n // EIP712 Domain Name value\n string constant internal EIP712_DOMAIN_NAME = \"0x Protocol\";\n\n // EIP712 Domain Version value\n string constant internal EIP712_DOMAIN_VERSION = \"2\";\n\n // Hash of the EIP712 Domain Separator Schema\n bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"EIP712Domain(\",\n \"string name,\",\n \"string version,\",\n \"address verifyingContract\",\n \")\"\n ));\n\n // Hash of the EIP712 Domain Separator data\n // solhint-disable-next-line var-name-mixedcase\n bytes32 public EIP712_DOMAIN_HASH;\n\n constructor ()\n public\n {\n EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(\n EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,\n keccak256(bytes(EIP712_DOMAIN_NAME)),\n keccak256(bytes(EIP712_DOMAIN_VERSION)),\n bytes32(address(this))\n ));\n }\n\n /// @dev Calculates EIP712 encoding for a hash struct in this EIP712 Domain.\n /// @param hashStruct The EIP712 hash struct.\n /// @return EIP712 hash applied to this EIP712 Domain.\n function hashEIP712Message(bytes32 hashStruct)\n internal\n view\n returns (bytes32 result)\n {\n bytes32 eip712DomainHash = EIP712_DOMAIN_HASH;\n\n // Assembly for more efficient computing:\n // keccak256(abi.encodePacked(\n // EIP191_HEADER,\n // EIP712_DOMAIN_HASH,\n // hashStruct \n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, 0x1901000000000000000000000000000000000000000000000000000000000000) // EIP191 header\n mstore(add(memPtr, 2), eip712DomainHash) // EIP712 domain hash\n mstore(add(memPtr, 34), hashStruct) // Hash of struct\n\n // Compute hash\n result := keccak256(memPtr, 66)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity 0.4.24;\n\n\n/// @dev This contract documents the revert reasons used in the Exchange contract.\n/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons.\ncontract LibExchangeErrors {\n\n /// Order validation errors ///\n string constant ORDER_UNFILLABLE = \"ORDER_UNFILLABLE\"; // Order cannot be filled.\n string constant INVALID_MAKER = \"INVALID_MAKER\"; // Invalid makerAddress.\n string constant INVALID_TAKER = \"INVALID_TAKER\"; // Invalid takerAddress.\n string constant INVALID_SENDER = \"INVALID_SENDER\"; // Invalid `msg.sender`.\n string constant INVALID_ORDER_SIGNATURE = \"INVALID_ORDER_SIGNATURE\"; // Signature validation failed. \n \n /// fillOrder validation errors ///\n string constant INVALID_TAKER_AMOUNT = \"INVALID_TAKER_AMOUNT\"; // takerAssetFillAmount cannot equal 0.\n string constant ROUNDING_ERROR = \"ROUNDING_ERROR\"; // Rounding error greater than 0.1% of takerAssetFillAmount. \n \n /// Signature validation errors ///\n string constant INVALID_SIGNATURE = \"INVALID_SIGNATURE\"; // Signature validation failed. \n string constant SIGNATURE_ILLEGAL = \"SIGNATURE_ILLEGAL\"; // Signature type is illegal.\n string constant SIGNATURE_UNSUPPORTED = \"SIGNATURE_UNSUPPORTED\"; // Signature type unsupported.\n \n /// cancelOrdersUptTo errors ///\n string constant INVALID_NEW_ORDER_EPOCH = \"INVALID_NEW_ORDER_EPOCH\"; // Specified salt must be greater than or equal to existing orderEpoch.\n\n /// fillOrKillOrder errors ///\n string constant COMPLETE_FILL_FAILED = \"COMPLETE_FILL_FAILED\"; // Desired takerAssetFillAmount could not be completely filled. \n\n /// matchOrders errors ///\n string constant NEGATIVE_SPREAD_REQUIRED = \"NEGATIVE_SPREAD_REQUIRED\"; // Matched orders must have a negative spread.\n\n /// Transaction errors ///\n string constant REENTRANCY_ILLEGAL = \"REENTRANCY_ILLEGAL\"; // Recursive reentrancy is not allowed. \n string constant INVALID_TX_HASH = \"INVALID_TX_HASH\"; // Transaction has already been executed. \n string constant INVALID_TX_SIGNATURE = \"INVALID_TX_SIGNATURE\"; // Signature validation failed. \n string constant FAILED_EXECUTION = \"FAILED_EXECUTION\"; // Transaction execution failed. \n \n /// registerAssetProxy errors ///\n string constant ASSET_PROXY_ALREADY_EXISTS = \"ASSET_PROXY_ALREADY_EXISTS\"; // AssetProxy with same id already exists.\n\n /// dispatchTransferFrom errors ///\n string constant ASSET_PROXY_DOES_NOT_EXIST = \"ASSET_PROXY_DOES_NOT_EXIST\"; // No assetProxy registered at given id.\n string constant TRANSFER_FAILED = \"TRANSFER_FAILED\"; // Asset transfer unsuccesful.\n\n /// Length validation errors ///\n string constant LENGTH_GREATER_THAN_0_REQUIRED = \"LENGTH_GREATER_THAN_0_REQUIRED\"; // Byte array must have a length greater than 0.\n string constant LENGTH_GREATER_THAN_3_REQUIRED = \"LENGTH_GREATER_THAN_3_REQUIRED\"; // Byte array must have a length greater than 3.\n string constant LENGTH_0_REQUIRED = \"LENGTH_0_REQUIRED\"; // Byte array must have a length of 0.\n string constant LENGTH_65_REQUIRED = \"LENGTH_65_REQUIRED\"; // Byte array must have a length of 65.\n}\n", + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibFillResults is\n SafeMath\n{\n struct FillResults {\n uint256 makerAssetFilledAmount; // Total amount of makerAsset(s) filled.\n uint256 takerAssetFilledAmount; // Total amount of takerAsset(s) filled.\n uint256 makerFeePaid; // Total amount of ZRX paid by maker(s) to feeRecipient(s).\n uint256 takerFeePaid; // Total amount of ZRX paid by taker to feeRecipients(s).\n }\n\n struct MatchedFillResults {\n FillResults left; // Amounts filled and fees paid of left order.\n FillResults right; // Amounts filled and fees paid of right order.\n uint256 leftMakerAssetSpreadAmount; // Spread between price of left and right order, denominated in the left order's makerAsset, paid to taker.\n }\n\n /// @dev Adds properties of both FillResults instances.\n /// Modifies the first FillResults instance specified.\n /// @param totalFillResults Fill results instance that will be added onto.\n /// @param singleFillResults Fill results instance that will be added to totalFillResults.\n function addFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)\n internal\n pure\n {\n totalFillResults.makerAssetFilledAmount = safeAdd(totalFillResults.makerAssetFilledAmount, singleFillResults.makerAssetFilledAmount);\n totalFillResults.takerAssetFilledAmount = safeAdd(totalFillResults.takerAssetFilledAmount, singleFillResults.takerAssetFilledAmount);\n totalFillResults.makerFeePaid = safeAdd(totalFillResults.makerFeePaid, singleFillResults.makerFeePaid);\n totalFillResults.takerFeePaid = safeAdd(totalFillResults.takerFeePaid, singleFillResults.takerFeePaid);\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibMath.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibMath is\n SafeMath\n{\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function safeGetPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorFloor(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function safeGetPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorCeil(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function getPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function getPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // The absolute rounding error is the difference between the rounded\n // value and the ideal value. The relative rounding error is the\n // absolute rounding error divided by the absolute value of the\n // ideal value. This is undefined when the ideal value is zero.\n //\n // The ideal value is `numerator * target / denominator`.\n // Let's call `numerator * target % denominator` the remainder.\n // The absolute error is `remainder / denominator`.\n //\n // When the ideal value is zero, we require the absolute error to\n // be zero. Fortunately, this is always the case. The ideal value is\n // zero iff `numerator == 0` and/or `target == 0`. In this case the\n // remainder and absolute error are also zero. \n if (target == 0 || numerator == 0) {\n return false;\n }\n \n // Otherwise, we want the relative rounding error to be strictly\n // less than 0.1%.\n // The relative error is `remainder / (numerator * target)`.\n // We want the relative error less than 1 / 1000:\n // remainder / (numerator * denominator) < 1 / 1000\n // or equivalently:\n // 1000 * remainder < numerator * target\n // so we have a rounding error iff:\n // 1000 * remainder >= numerator * target\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding up.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // See the comments in `isRoundingError`.\n if (target == 0 || numerator == 0) {\n // When either is zero, the ideal value and rounded value are zero\n // and there is no rounding error. (Although the relative error\n // is undefined.)\n return false;\n }\n // Compute remainder as before\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n remainder = safeSub(denominator, remainder) % denominator;\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibOrder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./LibEIP712.sol\";\n\n\ncontract LibOrder is\n LibEIP712\n{\n // Hash for the EIP712 Order Schema\n bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"Order(\",\n \"address makerAddress,\",\n \"address takerAddress,\",\n \"address feeRecipientAddress,\",\n \"address senderAddress,\",\n \"uint256 makerAssetAmount,\",\n \"uint256 takerAssetAmount,\",\n \"uint256 makerFee,\",\n \"uint256 takerFee,\",\n \"uint256 expirationTimeSeconds,\",\n \"uint256 salt,\",\n \"bytes makerAssetData,\",\n \"bytes takerAssetData\",\n \")\"\n ));\n\n // A valid order remains fillable until it is expired, fully filled, or cancelled.\n // An order's state is unaffected by external factors, like account balances.\n enum OrderStatus {\n INVALID, // Default value\n INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount\n INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount\n FILLABLE, // Order is fillable\n EXPIRED, // Order has already expired\n FULLY_FILLED, // Order is fully filled\n CANCELLED // Order has been cancelled\n }\n\n // solhint-disable max-line-length\n struct Order {\n address makerAddress; // Address that created the order. \n address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order. \n address feeRecipientAddress; // Address that will recieve fees when order is filled. \n address senderAddress; // Address that is allowed to call Exchange contract methods that affect this order. If set to 0, any address is allowed to call these methods.\n uint256 makerAssetAmount; // Amount of makerAsset being offered by maker. Must be greater than 0. \n uint256 takerAssetAmount; // Amount of takerAsset being bid on by maker. Must be greater than 0. \n uint256 makerFee; // Amount of ZRX paid to feeRecipient by maker when order is filled. If set to 0, no transfer of ZRX from maker to feeRecipient will be attempted.\n uint256 takerFee; // Amount of ZRX paid to feeRecipient by taker when order is filled. If set to 0, no transfer of ZRX from taker to feeRecipient will be attempted.\n uint256 expirationTimeSeconds; // Timestamp in seconds at which order expires. \n uint256 salt; // Arbitrary number to facilitate uniqueness of the order's hash. \n bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.\n bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.\n }\n // solhint-enable max-line-length\n\n struct OrderInfo {\n uint8 orderStatus; // Status that describes order's validity and fillability.\n bytes32 orderHash; // EIP712 hash of the order (see LibOrder.getOrderHash).\n uint256 orderTakerAssetFilledAmount; // Amount of order that has already been filled.\n }\n\n /// @dev Calculates Keccak-256 hash of the order.\n /// @param order The order structure.\n /// @return Keccak-256 EIP712 hash of the order.\n function getOrderHash(Order memory order)\n internal\n view\n returns (bytes32 orderHash)\n {\n orderHash = hashEIP712Message(hashOrder(order));\n return orderHash;\n }\n\n /// @dev Calculates EIP712 hash of the order.\n /// @param order The order structure.\n /// @return EIP712 hash of the order.\n function hashOrder(Order memory order)\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ORDER_SCHEMA_HASH;\n bytes32 makerAssetDataHash = keccak256(order.makerAssetData);\n bytes32 takerAssetDataHash = keccak256(order.takerAssetData);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ORDER_SCHEMA_HASH,\n // bytes32(order.makerAddress),\n // bytes32(order.takerAddress),\n // bytes32(order.feeRecipientAddress),\n // bytes32(order.senderAddress),\n // order.makerAssetAmount,\n // order.takerAssetAmount,\n // order.makerFee,\n // order.takerFee,\n // order.expirationTimeSeconds,\n // order.salt,\n // keccak256(order.makerAssetData),\n // keccak256(order.takerAssetData)\n // ));\n\n assembly {\n // Calculate memory addresses that will be swapped out before hashing\n let pos1 := sub(order, 32)\n let pos2 := add(order, 320)\n let pos3 := add(order, 352)\n\n // Backup\n let temp1 := mload(pos1)\n let temp2 := mload(pos2)\n let temp3 := mload(pos3)\n \n // Hash in place\n mstore(pos1, schemaHash)\n mstore(pos2, makerAssetDataHash)\n mstore(pos3, takerAssetDataHash)\n result := keccak256(pos1, 416)\n \n // Restore\n mstore(pos1, temp1)\n mstore(pos2, temp2)\n mstore(pos3, temp3)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssetProxyDispatcher.sol\";\n\n\ncontract MAssetProxyDispatcher is\n IAssetProxyDispatcher\n{\n // Logs registration of new asset proxy\n event AssetProxyRegistered(\n bytes4 id, // Id of new registered AssetProxy.\n address assetProxy // Address of new registered AssetProxy.\n );\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IExchangeCore.sol\";\n\n\ncontract MExchangeCore is\n IExchangeCore\n{\n // Fill event is emitted whenever an order is filled.\n event Fill(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that received fees.\n address takerAddress, // Address that filled the order.\n address senderAddress, // Address that called the Exchange contract (msg.sender).\n uint256 makerAssetFilledAmount, // Amount of makerAsset sold by maker and bought by taker. \n uint256 takerAssetFilledAmount, // Amount of takerAsset sold by taker and bought by maker.\n uint256 makerFeePaid, // Amount of ZRX paid to feeRecipient by maker.\n uint256 takerFeePaid, // Amount of ZRX paid to feeRecipient by taker.\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // Cancel event is emitted whenever an individual order is cancelled.\n event Cancel(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that would have recieved fees if order was filled. \n address senderAddress, // Address that called the Exchange contract (msg.sender).\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // CancelUpTo event is emitted whenever `cancelOrdersUpTo` is executed succesfully.\n event CancelUpTo(\n address indexed makerAddress, // Orders cancelled must have been created by this address.\n address indexed senderAddress, // Orders cancelled must have a `senderAddress` equal to this address.\n uint256 orderEpoch // Orders with specified makerAddress and senderAddress with a salt less than this value are considered cancelled.\n );\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrderInternal(LibOrder.Order memory order)\n internal;\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function updateFilledState(\n LibOrder.Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n LibFillResults.FillResults memory fillResults\n )\n internal;\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n LibOrder.Order memory order,\n bytes32 orderHash\n )\n internal;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo Status, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view;\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo\n )\n internal\n view;\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n LibOrder.Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.FillResults memory fillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IMatchOrders.sol\";\n\n\ncontract MMatchOrders is\n IMatchOrders\n{\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure;\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/ISignatureValidator.sol\";\n\n\ncontract MSignatureValidator is\n ISignatureValidator\n{\n event SignatureValidatorApproval(\n address indexed signerAddress, // Address that approves or disapproves a contract to verify signatures.\n address indexed validatorAddress, // Address of signature validator contract.\n bool approved // Approval or disapproval of validator contract.\n );\n\n // Allowed signature types.\n enum SignatureType {\n Illegal, // 0x00, default value\n Invalid, // 0x01\n EIP712, // 0x02\n EthSign, // 0x03\n Wallet, // 0x04\n Validator, // 0x05\n PreSigned, // 0x06\n NSignatureTypes // 0x07, number of signature types. Always leave at end.\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"../interfaces/ITransactions.sol\";\n\n\ncontract MTransactions is\n ITransactions\n{\n // Hash for the EIP712 ZeroEx Transaction Schema\n bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"ZeroExTransaction(\",\n \"uint256 salt,\",\n \"address signerAddress,\",\n \"bytes data\",\n \")\"\n ));\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result);\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address);\n}\n", + "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IWrapperFunctions.sol\";\n\n\ncontract MWrapperFunctions is \n IWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n}\n", + "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/MintableERC20Token.sol\";\n\n\ncontract DummyERC20Token is \n Ownable,\n MintableERC20Token\n{\n string public name;\n string public symbol;\n uint256 public decimals;\n uint256 public constant MAX_MINT_AMOUNT = 10000000000000000000000;\n\n constructor (\n string _name,\n string _symbol,\n uint256 _decimals,\n uint256 _totalSupply\n )\n public\n {\n name = _name;\n symbol = _symbol;\n decimals = _decimals;\n _totalSupply = _totalSupply;\n balances[msg.sender] = _totalSupply;\n }\n\n /// @dev Sets the balance of target address\n /// @param _target Address or which balance will be updated\n /// @param _value New balance of target address\n function setBalance(address _target, uint256 _value)\n external\n onlyOwner\n {\n uint256 currBalance = balances[_target];\n if (_value < currBalance) {\n _totalSupply = safeSub(_totalSupply, safeSub(currBalance, _value));\n } else {\n _totalSupply = safeAdd(_totalSupply, safeSub(_value, currBalance));\n }\n balances[_target] = _value;\n }\n\n /// @dev Mints new tokens for sender\n /// @param _value Amount of tokens to mint\n function mint(uint256 _value)\n external\n {\n require(\n _value <= MAX_MINT_AMOUNT,\n \"VALUE_TOO_LARGE\"\n );\n\n _mint(msg.sender, _value);\n }\n}\n", + "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../tokens/ERC721Token/MintableERC721Token.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract DummyERC721Token is\n Ownable,\n MintableERC721Token\n{\n string public name;\n string public symbol;\n\n constructor (\n string _name,\n string _symbol\n )\n public\n {\n name = _name;\n symbol = _symbol;\n }\n\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function mint(address _to, uint256 _tokenId)\n external\n {\n _mint(_to, _tokenId);\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist or not called by contract owner\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function burn(address _owner, uint256 _tokenId)\n external\n onlyOwner\n {\n _burn(_owner, _tokenId);\n }\n}\n", + "2.0.0/tokens/ERC20Token/ERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC20Token.sol\";\n\n\ncontract ERC20Token is\n IERC20Token\n{\n mapping (address => uint256) internal balances;\n mapping (address => mapping (address => uint256)) internal allowed;\n\n uint256 internal _totalSupply;\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool)\n {\n require(\n balances[msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[msg.sender] -= _value;\n balances[_to] += _value;\n\n emit Transfer(\n msg.sender,\n _to,\n _value\n );\n\n return true;\n }\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowed[_from][msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n allowed[_from][msg.sender] -= _value;\n \n emit Transfer(\n _from,\n _to,\n _value\n );\n \n return true;\n }\n\n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool)\n {\n allowed[msg.sender][_spender] = _value;\n emit Approval(\n msg.sender,\n _spender,\n _value\n );\n return true;\n }\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256)\n {\n return _totalSupply;\n }\n\n /// @dev Query the balance of owner\n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n return balances[_owner];\n }\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256)\n {\n return allowed[_owner][_spender];\n }\n}\n", + "2.0.0/tokens/ERC20Token/IERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n \n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n \n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", + "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/SafeMath/SafeMath.sol\";\nimport \"./UnlimitedAllowanceERC20Token.sol\";\n\n\ncontract MintableERC20Token is \n SafeMath,\n UnlimitedAllowanceERC20Token\n{\n /// @dev Mints new tokens\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _value Amount of tokens to mint\n function _mint(address _to, uint256 _value)\n internal\n {\n balances[_to] = safeAdd(_value, balances[_to]);\n _totalSupply = safeAdd(_totalSupply, _value);\n\n emit Transfer(\n address(0),\n _to,\n _value\n );\n }\n\n /// @dev Mints new tokens\n /// @param _owner Owner of tokens that will be burned\n /// @param _value Amount of tokens to burn\n function _burn(address _owner, uint256 _value)\n internal\n {\n balances[_owner] = safeSub(balances[_owner], _value);\n _totalSupply = safeSub(_totalSupply, _value);\n\n emit Transfer(\n _owner,\n address(0),\n _value\n );\n }\n}\n", + "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/ERC20Token.sol\";\n\n\ncontract UnlimitedAllowanceERC20Token is\n ERC20Token\n{\n uint256 constant internal MAX_UINT = 2**256 - 1;\n\n /// @dev ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited allowance. See https://github.com/ethereum/EIPs/issues/717\n /// @param _from Address to transfer from.\n /// @param _to Address to transfer to.\n /// @param _value Amount to transfer.\n /// @return Success of transfer.\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n uint256 allowance = allowed[_from][msg.sender];\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowance >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n if (allowance < MAX_UINT) {\n allowed[_from][msg.sender] -= _value;\n }\n\n emit Transfer(\n _from,\n _to,\n _value\n );\n\n return true;\n }\n}\n", + "2.0.0/tokens/ERC721Token/ERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC721Token.sol\";\nimport \"./IERC721Receiver.sol\";\nimport \"../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract ERC721Token is\n IERC721Token,\n SafeMath\n{\n // Function selector for ERC721Receiver.onERC721Received\n // 0x150b7a02\n bytes4 constant internal ERC721_RECEIVED = bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"));\n\n // Mapping of tokenId => owner\n mapping (uint256 => address) internal owners;\n\n // Mapping of tokenId => approved address\n mapping (uint256 => address) internal approvals;\n\n // Mapping of owner => number of tokens owned\n mapping (address => uint256) internal balances;\n\n // Mapping of owner => operator => approved\n mapping (address => mapping (address => bool)) internal operatorApprovals;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n _data\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n \"\"\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external\n {\n address owner = ownerOf(_tokenId);\n require(\n msg.sender == owner || isApprovedForAll(owner, msg.sender),\n \"ERC721_INVALID_SENDER\"\n );\n\n approvals[_tokenId] = _approved;\n emit Approval(\n owner,\n _approved,\n _tokenId\n );\n }\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external\n {\n operatorApprovals[msg.sender][_operator] = _approved;\n emit ApprovalForAll(\n msg.sender,\n _operator,\n _approved\n );\n }\n \n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return balances[_owner];\n }\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = ownerOf(_tokenId);\n require(\n _from == owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n address spender = msg.sender;\n address approvedAddress = getApproved(_tokenId);\n require(\n spender == owner ||\n isApprovedForAll(owner, spender) ||\n approvedAddress == spender,\n \"ERC721_INVALID_SPENDER\"\n );\n\n if (approvedAddress != address(0)) {\n approvals[_tokenId] = address(0);\n }\n\n owners[_tokenId] = _to;\n balances[_from] = safeSub(balances[_from], 1);\n balances[_to] = safeAdd(balances[_to], 1);\n \n emit Transfer(\n _from,\n _to,\n _tokenId\n );\n }\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address)\n {\n address owner = owners[_tokenId];\n require(\n owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return owner;\n }\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId)\n public\n view\n returns (address)\n {\n return approvals[_tokenId];\n }\n\n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool)\n {\n return operatorApprovals[_owner][_operator];\n }\n}\n", + "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Receiver {\n\n /// @notice Handle the receipt of an NFT\n /// @dev The ERC721 smart contract calls this function on the recipient\n /// after a `transfer`. This function MAY throw to revert and reject the\n /// transfer. Return of other than the magic value MUST result in the\n /// transaction being reverted.\n /// Note: the contract address is always the message sender.\n /// @param _operator The address which called `safeTransferFrom` function\n /// @param _from The address which previously owned the token\n /// @param _tokenId The NFT identifier which is being transferred\n /// @param _data Additional data with no specified format\n /// @return `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`\n /// unless throwing\n function onERC721Received(\n address _operator,\n address _from,\n uint256 _tokenId,\n bytes _data\n )\n external\n returns (bytes4);\n}\n", + "2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Token {\n\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(\n address indexed _owner,\n address indexed _approved,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(\n address indexed _owner,\n address indexed _operator,\n bool _approved\n );\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// perator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external;\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public;\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address);\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) \n public\n view\n returns (address);\n \n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool);\n}\n", + "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./ERC721Token.sol\";\n\n\ncontract MintableERC721Token is\n ERC721Token\n{\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function _mint(address _to, uint256 _tokenId)\n internal\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == address(0),\n \"ERC721_OWNER_ALREADY_EXISTS\"\n );\n\n owners[_tokenId] = _to;\n balances[_to] = safeAdd(balances[_to], 1);\n\n emit Transfer(\n address(0),\n _to,\n _tokenId\n );\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function _burn(address _owner, uint256 _tokenId)\n internal\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == _owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n owners[_tokenId] = address(0);\n balances[_owner] = safeSub(balances[_owner], 1);\n\n emit Transfer(\n _owner,\n address(0),\n _tokenId\n );\n }\n}\n", + "2.0.0/tokens/EtherToken/IEtherToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/IERC20Token.sol\";\n\n\ncontract IEtherToken is\n IERC20Token\n{\n function deposit()\n public\n payable;\n \n function withdraw(uint256 amount)\n public;\n}\n", + "2.0.0/utils/LibBytes/LibBytes.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\nlibrary LibBytes {\n\n using LibBytes for bytes;\n\n /// @dev Gets the memory address for a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of byte array. This\n /// points to the header of the byte array which contains\n /// the length.\n function rawAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := input\n }\n return memoryAddress;\n }\n \n /// @dev Gets the memory address for the contents of a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of the contents of the byte array.\n function contentAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := add(input, 32)\n }\n return memoryAddress;\n }\n\n /// @dev Copies `length` bytes from memory location `source` to `dest`.\n /// @param dest memory address to copy bytes to.\n /// @param source memory address to copy bytes from.\n /// @param length number of bytes to copy.\n function memCopy(\n uint256 dest,\n uint256 source,\n uint256 length\n )\n internal\n pure\n {\n if (length < 32) {\n // Handle a partial word by reading destination and masking\n // off the bits we are interested in.\n // This correctly handles overlap, zero lengths and source == dest\n assembly {\n let mask := sub(exp(256, sub(32, length)), 1)\n let s := and(mload(source), not(mask))\n let d := and(mload(dest), mask)\n mstore(dest, or(s, d))\n }\n } else {\n // Skip the O(length) loop when source == dest.\n if (source == dest) {\n return;\n }\n\n // For large copies we copy whole words at a time. The final\n // word is aligned to the end of the range (instead of after the\n // previous) to handle partial words. So a copy will look like this:\n //\n // ####\n // ####\n // ####\n // ####\n //\n // We handle overlap in the source and destination range by\n // changing the copying direction. This prevents us from\n // overwriting parts of source that we still need to copy.\n //\n // This correctly handles source == dest\n //\n if (source > dest) {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because it\n // is easier to compare with in the loop, and these\n // are also the addresses we need for copying the\n // last bytes.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the last 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the last bytes in\n // source already due to overlap.\n let last := mload(sEnd)\n\n // Copy whole words front to back\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} lt(source, sEnd) {} {\n mstore(dest, mload(source))\n source := add(source, 32)\n dest := add(dest, 32)\n }\n \n // Write the last 32 bytes\n mstore(dEnd, last)\n }\n } else {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because those\n // are the starting points when copying a word at the end.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the first 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the first bytes in\n // source already due to overlap.\n let first := mload(source)\n\n // Copy whole words back to front\n // We use a signed comparisson here to allow dEnd to become\n // negative (happens when source and dest < 32). Valid\n // addresses in local memory will never be larger than\n // 2**255, so they can be safely re-interpreted as signed.\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} slt(dest, dEnd) {} {\n mstore(dEnd, mload(sEnd))\n sEnd := sub(sEnd, 32)\n dEnd := sub(dEnd, 32)\n }\n \n // Write the first 32 bytes\n mstore(dest, first)\n }\n }\n }\n }\n\n /// @dev Returns a slices from a byte array.\n /// @param b The byte array to take a slice from.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n function slice(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure and copy contents\n result = new bytes(to - from);\n memCopy(\n result.contentAddress(),\n b.contentAddress() + from,\n result.length\n );\n return result;\n }\n \n /// @dev Returns a slice from a byte array without preserving the input.\n /// @param b The byte array to take a slice from. Will be destroyed in the process.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n /// @dev When `from == 0`, the original array will match the slice. In other cases its state will be corrupted.\n function sliceDestructive(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure around [from, to) in-place.\n assembly {\n result := add(b, from)\n mstore(result, sub(to, from))\n }\n return result;\n }\n\n /// @dev Pops the last byte off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The byte that was popped off.\n function popLastByte(bytes memory b)\n internal\n pure\n returns (bytes1 result)\n {\n require(\n b.length > 0,\n \"GREATER_THAN_ZERO_LENGTH_REQUIRED\"\n );\n\n // Store last byte.\n result = b[b.length - 1];\n\n assembly {\n // Decrement length of byte array.\n let newLen := sub(mload(b), 1)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Pops the last 20 bytes off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The 20 byte address that was popped off.\n function popLast20Bytes(bytes memory b)\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= 20,\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Store last 20 bytes.\n result = readAddress(b, b.length - 20);\n\n assembly {\n // Subtract 20 from byte array length.\n let newLen := sub(mload(b), 20)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Tests equality of two byte arrays.\n /// @param lhs First byte array to compare.\n /// @param rhs Second byte array to compare.\n /// @return True if arrays are the same. False otherwise.\n function equals(\n bytes memory lhs,\n bytes memory rhs\n )\n internal\n pure\n returns (bool equal)\n {\n // Keccak gas cost is 30 + numWords * 6. This is a cheap way to compare.\n // We early exit on unequal lengths, but keccak would also correctly\n // handle this.\n return lhs.length == rhs.length && keccak256(lhs) == keccak256(rhs);\n }\n\n /// @dev Reads an address from a position in a byte array.\n /// @param b Byte array containing an address.\n /// @param index Index in byte array of address.\n /// @return address from byte array.\n function readAddress(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Read address from array memory\n assembly {\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 20-byte mask to obtain address\n result := and(mload(add(b, index)), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n return result;\n }\n\n /// @dev Writes an address into a specific position in a byte array.\n /// @param b Byte array to insert address into.\n /// @param index Index in byte array of address.\n /// @param input Address to put into byte array.\n function writeAddress(\n bytes memory b,\n uint256 index,\n address input\n )\n internal\n pure\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Store address into array memory\n assembly {\n // The address occupies 20 bytes and mstore stores 32 bytes.\n // First fetch the 32-byte word where we'll be storing the address, then\n // apply a mask so we have only the bytes in the word that the address will not occupy.\n // Then combine these bytes with the address and store the 32 bytes back to memory with mstore.\n\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 12-byte mask to obtain extra bytes occupying word of memory where we'll store the address\n let neighbors := and(\n mload(add(b, index)),\n 0xffffffffffffffffffffffff0000000000000000000000000000000000000000\n )\n \n // Make sure input address is clean.\n // (Solidity does not guarantee this)\n input := and(input, 0xffffffffffffffffffffffffffffffffffffffff)\n\n // Store the neighbors and address into memory\n mstore(add(b, index), xor(input, neighbors))\n }\n }\n\n /// @dev Reads a bytes32 value from a position in a byte array.\n /// @param b Byte array containing a bytes32 value.\n /// @param index Index in byte array of bytes32 value.\n /// @return bytes32 value from byte array.\n function readBytes32(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes32 result)\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n result := mload(add(b, index))\n }\n return result;\n }\n\n /// @dev Writes a bytes32 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes32 to put into byte array.\n function writeBytes32(\n bytes memory b,\n uint256 index,\n bytes32 input\n )\n internal\n pure\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n mstore(add(b, index), input)\n }\n }\n\n /// @dev Reads a uint256 value from a position in a byte array.\n /// @param b Byte array containing a uint256 value.\n /// @param index Index in byte array of uint256 value.\n /// @return uint256 value from byte array.\n function readUint256(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (uint256 result)\n {\n result = uint256(readBytes32(b, index));\n return result;\n }\n\n /// @dev Writes a uint256 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input uint256 to put into byte array.\n function writeUint256(\n bytes memory b,\n uint256 index,\n uint256 input\n )\n internal\n pure\n {\n writeBytes32(b, index, bytes32(input));\n }\n\n /// @dev Reads an unpadded bytes4 value from a position in a byte array.\n /// @param b Byte array containing a bytes4 value.\n /// @param index Index in byte array of bytes4 value.\n /// @return bytes4 value from byte array.\n function readBytes4(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes4 result)\n {\n require(\n b.length >= index + 4,\n \"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 32 byte length field\n index += 32;\n\n // Read the bytes4 from array memory\n assembly {\n result := mload(add(b, index))\n // Solidity does not require us to clean the trailing bytes.\n // We do it anyway\n result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)\n }\n return result;\n }\n\n /// @dev Reads nested bytes from a specific position.\n /// @dev NOTE: the returned value overlaps with the input value.\n /// Both should be treated as immutable.\n /// @param b Byte array containing nested bytes.\n /// @param index Index of nested bytes.\n /// @return result Nested bytes.\n function readBytesWithLength(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes memory result)\n {\n // Read length of nested bytes\n uint256 nestedBytesLength = readUint256(b, index);\n index += 32;\n\n // Assert length of is valid, given\n // length of nested bytes\n require(\n b.length >= index + nestedBytesLength,\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n \n // Return a pointer to the byte array as it exists inside `b`\n assembly {\n result := add(b, index)\n }\n return result;\n }\n\n /// @dev Inserts bytes at a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes to insert.\n function writeBytesWithLength(\n bytes memory b,\n uint256 index,\n bytes memory input\n )\n internal\n pure\n {\n // Assert length of is valid, given\n // length of input\n require(\n b.length >= index + 32 + input.length, // 32 bytes to store length\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n\n // Copy into \n memCopy(\n b.contentAddress() + index,\n input.rawAddress(), // includes length of \n input.length + 32 // +32 bytes to store length\n );\n }\n\n /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length.\n /// @param dest Byte array that will be overwritten with source bytes.\n /// @param source Byte array to copy onto dest bytes.\n function deepCopyBytes(\n bytes memory dest,\n bytes memory source\n )\n internal\n pure\n {\n uint256 sourceLen = source.length;\n // Dest length must be >= source length, or some bytes would not be copied.\n require(\n dest.length >= sourceLen,\n \"GREATER_OR_EQUAL_TO_SOURCE_BYTES_LENGTH_REQUIRED\"\n );\n memCopy(\n dest.contentAddress(),\n source.contentAddress(),\n sourceLen\n );\n }\n}\n", + "2.0.0/utils/Ownable/IOwnable.sol": "pragma solidity 0.4.24;\n\n\ncontract IOwnable {\n\n function transferOwnership(address newOwner)\n public;\n}\n", + "2.0.0/utils/Ownable/Ownable.sol": "pragma solidity 0.4.24;\n\nimport \"./IOwnable.sol\";\n\n\ncontract Ownable is\n IOwnable\n{\n address public owner;\n\n constructor ()\n public\n {\n owner = msg.sender;\n }\n\n modifier onlyOwner() {\n require(\n msg.sender == owner,\n \"ONLY_CONTRACT_OWNER\"\n );\n _;\n }\n\n function transferOwnership(address newOwner)\n public\n onlyOwner\n {\n if (newOwner != address(0)) {\n owner = newOwner;\n }\n }\n}\n", + "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ReentrancyGuard {\n\n // Locked state of mutex\n bool private locked = false;\n\n /// @dev Functions with this modifer cannot be reentered. The mutex will be locked\n /// before function execution and unlocked after.\n modifier nonReentrant() {\n // Ensure mutex is unlocked\n require(\n !locked,\n \"REENTRANCY_ILLEGAL\"\n );\n\n // Lock mutex before function call\n locked = true;\n\n // Perform function call\n _;\n\n // Unlock mutex after function call\n locked = false;\n }\n}\n", + "2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n\n function safeMul(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(\n c / a == b,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function safeDiv(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a / b;\n return c;\n }\n\n function safeSub(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n require(\n b <= a,\n \"UINT256_UNDERFLOW\"\n );\n return a - b;\n }\n\n function safeAdd(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a + b;\n require(\n c >= a,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function max64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n\n function max256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n}\n" + }, + "sourceTreeHashHex": "0x7c03657f568331e5dbdd3212ed6be6074760e096f601ee84ad8c0fa46acd293f", + "compiler": { + "name": "solc", + "version": "soljson-v0.4.24+commit.e67f0147.js", + "settings": { + "optimizer": { + "enabled": true, + "runs": 1000000 + }, + "outputSelection": { + "*": { + "*": [ + "abi", + "evm.bytecode.object", + "evm.bytecode.sourceMap", + "evm.deployedBytecode.object", + "evm.deployedBytecode.sourceMap" + ] + } + } + } + }, + "networks": {} +} \ No newline at end of file diff --git a/packages/migrations/artifacts/2.0.0/ERC20Proxy.json b/packages/migrations/artifacts/2.0.0/ERC20Proxy.json new file mode 100644 index 000000000..5bd37ef26 --- /dev/null +++ b/packages/migrations/artifacts/2.0.0/ERC20Proxy.json @@ -0,0 +1,481 @@ +{ + "schemaVersion": "2.0.0", + "contractName": "ERC20Proxy", + "compilerOutput": { + "abi": [ + { + "constant": false, + "inputs": [ + { + "name": "target", + "type": "address" + } + ], + "name": "addAuthorizedAddress", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "", + "type": "uint256" + } + ], + "name": "authorities", + "outputs": [ + { + "name": "", + "type": "address" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "target", + "type": "address" + } + ], + "name": "removeAuthorizedAddress", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "owner", + "outputs": [ + { + "name": "", + "type": "address" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "target", + "type": "address" + }, + { + "name": "index", + "type": "uint256" + } + ], + "name": "removeAuthorizedAddressAtIndex", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "getProxyId", + "outputs": [ + { + "name": "", + "type": "bytes4" + } + ], + "payable": false, + "stateMutability": "pure", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "", + "type": "address" + } + ], + "name": "authorized", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "getAuthorizedAddresses", + "outputs": [ + { + "name": "", + "type": "address[]" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "newOwner", + "type": "address" + } + ], + "name": "transferOwnership", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "payable": false, + "stateMutability": "nonpayable", + "type": "fallback" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "target", + "type": "address" + }, + { + "indexed": true, + "name": "caller", + "type": "address" + } + ], + "name": "AuthorizedAddressAdded", + "type": "event" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "target", + "type": "address" + }, + { + "indexed": true, + "name": "caller", + "type": "address" + } + ], + "name": "AuthorizedAddressRemoved", + "type": "event" + } + ], + "evm": { + "bytecode": { + "linkReferences": {}, + "object": 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0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ PUSH2 0xBC2 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1B PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x415554484F52495A45445F414444524553535F4D49534D415443480000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE PUSH1 0x2 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 ADD SWAP1 DUP2 LT PUSH2 0xC3D JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH1 0x2 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND SWAP2 DUP4 SWAP1 DUP2 LT PUSH2 0xC70 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP3 SWAP1 SWAP3 AND SWAP2 SWAP1 SWAP2 OR SWAP1 SSTORE PUSH1 0x2 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 PUSH2 0xCEF SWAP1 DUP3 PUSH2 0xED7 JUMP JUMPDEST POP PUSH1 0x40 MLOAD CALLER SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND SWAP1 PUSH32 0x1F32C1B084E2DE0713B8FB16BD46BB9DF710A3DBEAE2F3CA93AF46E016DCC6B0 SWAP1 PUSH1 0x0 SWAP1 LOG3 POP POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x4552433230546F6B656E28616464726573732900000000000000000000000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x13 ADD SWAP1 KECCAK256 JUMPDEST SWAP1 JUMP JUMPDEST PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x2 DUP1 SLOAD DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP1 SLOAD DUP1 ISZERO PUSH2 0xDE7 JUMPI PUSH1 0x20 MUL DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0xDBC JUMPI JUMPDEST POP POP POP POP POP SWAP1 POP SWAP1 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xE77 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0xED4 JUMPI PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND OR SWAP1 SSTORE JUMPDEST POP JUMP JUMPDEST DUP2 SLOAD DUP2 DUP4 SSTORE DUP2 DUP2 GT ISZERO PUSH2 0xEFB JUMPI PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x20 SWAP1 KECCAK256 PUSH2 0xEFB SWAP2 DUP2 ADD SWAP1 DUP4 ADD PUSH2 0xF00 JUMP JUMPDEST POP POP POP JUMP JUMPDEST PUSH2 0xD6A SWAP2 SWAP1 JUMPDEST DUP1 DUP3 GT ISZERO PUSH2 0xF1A JUMPI PUSH1 0x0 DUP2 SSTORE PUSH1 0x1 ADD PUSH2 0xF06 JUMP JUMPDEST POP SWAP1 JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 0xf6 0xb2 0xca 0xdd LOG0 0xbe SWAP12 0x47 RETURN PUSH31 0xD4A850B096E49B5E2E8BB7446D65481ADECF980824A0002900000000000000 ", + "sourceMap": "641:8586:14:-;;;162:5:55;:18;;-1:-1:-1;;;;;;162:18:55;170:10;162:18;;;641:8586:14;;;;;;" + }, + "deployedBytecode": { + "linkReferences": {}, + "object": 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PUSH1 0x0 PUSH1 0x60 MSTORE PUSH1 0x64 PUSH1 0x0 REVERT JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x254 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x276 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x44C JUMP JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x284 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x290 PUSH1 0x4 CALLDATALOAD PUSH2 0x638 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2C5 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x276 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x66D JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2F3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x290 PUSH2 0x966 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x308 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x276 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x982 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x339 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x342 PUSH2 0xD37 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x383 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x3A5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0xD6D JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3C5 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x3CE PUSH2 0xD82 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 DUP2 ADD SWAP2 MUL DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x40A JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x3F2 JUMP JUMPDEST POP POP POP POP SWAP1 POP ADD SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x42A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x276 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0xDF1 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x4D2 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x567 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x19 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x5441524745545F414C52454144595F415554484F52495A454400000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND DUP4 OR SWAP1 SSTORE PUSH1 0x2 DUP1 SLOAD SWAP3 DUP4 ADD DUP2 SSTORE DUP4 MSTORE PUSH32 0x405787FA12A823E0F2B7631CC41B3BA8828B3321CA811111FA75CD3AA3BB5ACE SWAP1 SWAP2 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND DUP5 OR SWAP1 SSTORE MLOAD CALLER SWAP3 SWAP2 PUSH32 0x3147867C59D17E8FA9D522465651D44AAE0A9E38F902F3475B97E58072F0ED4C SWAP2 LOG3 POP JUMP JUMPDEST PUSH1 0x2 DUP1 SLOAD DUP3 SWAP1 DUP2 LT PUSH2 0x646 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 POP DUP2 JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x6F4 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x78A JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x5441524745545F4E4F545F415554484F52495A45440000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE JUMPDEST PUSH1 0x2 SLOAD DUP2 LT ISZERO PUSH2 0x91F JUMPI DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x2 DUP3 DUP2 SLOAD DUP2 LT ISZERO ISZERO PUSH2 0x807 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO PUSH2 0x917 JUMPI PUSH1 0x2 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 ADD SWAP1 DUP2 LT PUSH2 0x85F JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH1 0x2 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND SWAP2 DUP4 SWAP1 DUP2 LT PUSH2 0x892 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP3 SWAP1 SWAP3 AND SWAP2 SWAP1 SWAP2 OR SWAP1 SSTORE PUSH1 0x2 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 PUSH2 0x911 SWAP1 DUP3 PUSH2 0xED7 JUMP JUMPDEST POP PUSH2 0x91F JUMP JUMPDEST PUSH1 0x1 ADD PUSH2 0x7D7 JUMP JUMPDEST PUSH1 0x40 MLOAD CALLER SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND SWAP1 PUSH32 0x1F32C1B084E2DE0713B8FB16BD46BB9DF710A3DBEAE2F3CA93AF46E016DCC6B0 SWAP1 PUSH1 0x0 SWAP1 LOG3 POP POP JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xA08 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO ISZERO PUSH2 0xA9E JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x5441524745545F4E4F545F415554484F52495A45440000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x2 SLOAD DUP2 LT PUSH2 0xB0E JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x494E4445585F4F55545F4F465F424F554E445300000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x2 DUP3 DUP2 SLOAD DUP2 LT ISZERO ISZERO PUSH2 0xB34 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ PUSH2 0xBC2 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1B PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x415554484F52495A45445F414444524553535F4D49534D415443480000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE PUSH1 0x2 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 ADD SWAP1 DUP2 LT PUSH2 0xC3D JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH1 0x2 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND SWAP2 DUP4 SWAP1 DUP2 LT PUSH2 0xC70 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP3 SWAP1 SWAP3 AND SWAP2 SWAP1 SWAP2 OR SWAP1 SSTORE PUSH1 0x2 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 PUSH2 0xCEF SWAP1 DUP3 PUSH2 0xED7 JUMP JUMPDEST POP PUSH1 0x40 MLOAD CALLER SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND SWAP1 PUSH32 0x1F32C1B084E2DE0713B8FB16BD46BB9DF710A3DBEAE2F3CA93AF46E016DCC6B0 SWAP1 PUSH1 0x0 SWAP1 LOG3 POP POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x4552433230546F6B656E28616464726573732900000000000000000000000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x13 ADD SWAP1 KECCAK256 JUMPDEST SWAP1 JUMP JUMPDEST PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x2 DUP1 SLOAD DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP1 SLOAD DUP1 ISZERO PUSH2 0xDE7 JUMPI PUSH1 0x20 MUL DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0xDBC JUMPI JUMPDEST POP POP POP POP POP SWAP1 POP SWAP1 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xE77 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0xED4 JUMPI PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND OR SWAP1 SSTORE JUMPDEST POP JUMP JUMPDEST DUP2 SLOAD DUP2 DUP4 SSTORE DUP2 DUP2 GT ISZERO PUSH2 0xEFB JUMPI PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x20 SWAP1 KECCAK256 PUSH2 0xEFB SWAP2 DUP2 ADD SWAP1 DUP4 ADD PUSH2 0xF00 JUMP JUMPDEST POP POP POP JUMP JUMPDEST PUSH2 0xD6A SWAP2 SWAP1 JUMPDEST DUP1 DUP3 GT ISZERO PUSH2 0xF1A JUMPI PUSH1 0x0 DUP2 SSTORE PUSH1 0x1 ADD PUSH2 0xF06 JUMP JUMPDEST POP SWAP1 JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 0xf6 0xb2 0xca 0xdd LOG0 0xbe SWAP12 0x47 RETURN PUSH31 0xD4A850B096E49B5E2E8BB7446D65481ADECF980824A0002900000000000000 ", + "sourceMap": 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+ } + } + }, + "sources": { + "2.0.0/extensions/Forwarder/Forwarder.sol": { + "id": 0 + }, + "2.0.0/extensions/Forwarder/MixinAssets.sol": { + "id": 1 + }, + "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": { + "id": 2 + }, + "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": { + "id": 3 + }, + "2.0.0/extensions/Forwarder/MixinWeth.sol": { + "id": 4 + }, + "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": { + "id": 5 + }, + "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": { + "id": 6 + }, + "2.0.0/extensions/Forwarder/libs/LibConstants.sol": { + "id": 7 + }, + "2.0.0/extensions/Forwarder/mixins/MAssets.sol": { + "id": 8 + }, + "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": { + "id": 9 + }, + "2.0.0/extensions/Forwarder/mixins/MWeth.sol": { + "id": 10 + }, + "2.0.0/extensions/OrderValidator/OrderValidator.sol": { + "id": 11 + }, + "2.0.0/multisig/MultiSigWallet.sol": { + "id": 12 + }, + "2.0.0/multisig/MultiSigWalletWithTimeLock.sol": { + "id": 13 + }, + "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": { + "id": 14 + }, + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": { + "id": 15 + }, + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": { + "id": 16 + }, + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": { + "id": 17 + }, + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": { + "id": 18 + }, + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": { + "id": 19 + }, + "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": { + "id": 20 + }, + "2.0.0/protocol/Exchange/Exchange.sol": { + "id": 21 + }, + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": { + "id": 22 + }, + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": { + "id": 23 + }, + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": { + "id": 24 + }, + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": { + "id": 25 + }, + "2.0.0/protocol/Exchange/MixinTransactions.sol": { + "id": 26 + }, + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": { + "id": 27 + }, + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": { + "id": 28 + }, + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": { + "id": 29 + }, + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": { + "id": 30 + }, + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": { + "id": 31 + }, + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": { + "id": 32 + }, + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": { + "id": 33 + }, + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": { + "id": 34 + }, + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": { + "id": 35 + }, + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": { + "id": 36 + }, + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": { + "id": 37 + }, + "2.0.0/protocol/Exchange/libs/LibConstants.sol": { + "id": 38 + }, + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": { + "id": 39 + }, + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": { + "id": 40 + }, + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": { + "id": 41 + }, + "2.0.0/protocol/Exchange/libs/LibMath.sol": { + "id": 42 + }, + "2.0.0/protocol/Exchange/libs/LibOrder.sol": { + "id": 43 + }, + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": { + "id": 44 + }, + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": { + "id": 45 + }, + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": { + "id": 46 + }, + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": { + "id": 47 + }, + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": { + "id": 48 + }, + "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": { + "id": 49 + }, + "2.0.0/tokens/ERC20Token/IERC20Token.sol": { + "id": 50 + }, + "2.0.0/tokens/ERC721Token/IERC721Token.sol": { + "id": 51 + }, + "2.0.0/tokens/EtherToken/IEtherToken.sol": { + "id": 52 + }, + "2.0.0/utils/LibBytes/LibBytes.sol": { + "id": 53 + }, + "2.0.0/utils/Ownable/IOwnable.sol": { + "id": 54 + }, + "2.0.0/utils/Ownable/Ownable.sol": { + "id": 55 + }, + "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": { + "id": 56 + }, + "2.0.0/utils/SafeMath/SafeMath.sol": { + "id": 57 + } + }, + "sourceCodes": { + "2.0.0/extensions/Forwarder/Forwarder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinWeth.sol\";\nimport \"./MixinForwarderCore.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinAssets.sol\";\nimport \"./MixinExchangeWrapper.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Forwarder is\n LibConstants,\n MixinWeth,\n MixinAssets,\n MixinExchangeWrapper,\n MixinForwarderCore\n{\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n LibConstants(\n _exchange,\n _zrxAssetData,\n _wethAssetData\n )\n MixinForwarderCore()\n {}\n}\n", + "2.0.0/extensions/Forwarder/MixinAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MAssets.sol\";\n\n\ncontract MixinAssets is\n Ownable,\n LibConstants,\n MAssets\n{\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256(\"transfer(address,uint256)\"));\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external\n onlyOwner\n {\n transferAssetToSender(assetData, amount);\n }\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n bytes4 proxyId = assetData.readBytes4(0);\n\n if (proxyId == ERC20_DATA_ID) {\n transferERC20Token(assetData, amount);\n } else if (proxyId == ERC721_DATA_ID) {\n transferERC721Token(assetData, amount);\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n }\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n address token = assetData.readAddress(16);\n\n // Transfer tokens.\n // We do a raw call so we can check the success separate\n // from the return data.\n bool success = token.call(abi.encodeWithSelector(\n ERC20_TRANSFER_SELECTOR,\n msg.sender,\n amount\n ));\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n \n // Check return data.\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // value that evaluates to true.\n assembly {\n if returndatasize {\n success := 0\n if eq(returndatasize, 32) {\n // First 64 bytes of memory are reserved scratch space\n returndatacopy(0, 0, 32)\n success := mload(0)\n }\n }\n }\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n }\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n require(\n amount == 1,\n \"INVALID_AMOUNT\"\n );\n // Decode asset data.\n address token = assetData.readAddress(16);\n uint256 tokenId = assetData.readUint256(36);\n\n // Perform transfer.\n IERC721Token(token).transferFrom(\n address(this),\n msg.sender,\n tokenId\n );\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"../../protocol/Exchange/libs/LibAbiEncoder.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinExchangeWrapper is\n LibAbiEncoder,\n LibFillResults,\n LibMath,\n LibConstants,\n MExchangeWrapper\n{\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n address exchange = address(EXCHANGE);\n\n // Call `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := call(\n gas, // forward all gas\n exchange, // call address of Exchange contract\n 0, // transfer 0 wei\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of WETH to sell\n uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of WETH\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount;\n if (makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n\n require(\n makerAssetFilledAmount >= makerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n // Do nothing if zrxBuyAmount == 0\n if (zrxBuyAmount == 0) {\n return totalFillResults;\n }\n\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n uint256 zrxPurchased = 0;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // All of these are ZRX/WETH, so we can drop the respective assetData from calldata.\n orders[i].makerAssetData = zrxAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of ZRX to buy.\n uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased);\n\n // Convert the remaining amount of ZRX to buy into remaining amount\n // of WETH to sell, assuming entire amount can be sold in the current order.\n uint256 remainingWethSellAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees \n remainingZrxBuyAmount\n );\n\n // Attempt to sell the remaining amount of WETH.\n FillResults memory singleFillResult = fillOrderNoThrow(\n orders[i],\n safeAdd(remainingWethSellAmount, 1), // we add 1 wei to the fill amount to make up for rounding errors\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker.\n addFillResults(totalFillResults, singleFillResult);\n zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid);\n\n // Stop execution if the entire amount of ZRX has been bought.\n if (zrxPurchased >= zrxBuyAmount) {\n break;\n }\n }\n\n require(\n zrxPurchased >= zrxBuyAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\nimport \"./mixins/MAssets.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"./interfaces/IForwarderCore.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinForwarderCore is\n LibFillResults,\n LibMath,\n LibConstants,\n MWeth,\n MAssets,\n MExchangeWrapper,\n IForwarderCore\n{\n using LibBytes for bytes;\n\n /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf.\n constructor ()\n public\n {\n address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID);\n require(\n proxyAddress != address(0),\n \"UNREGISTERED_ASSET_PROXY\"\n );\n ETHER_TOKEN.approve(proxyAddress, MAX_UINT);\n ZRX_TOKEN.approve(proxyAddress, MAX_UINT);\n }\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 wethSellAmount;\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // Calculate amount of WETH that won't be spent on ETH fees.\n wethSellAmount = getPartialAmountFloor(\n PERCENTAGE_DENOMINATOR,\n safeAdd(PERCENTAGE_DENOMINATOR, feePercentage),\n msg.value\n );\n // Market sell available WETH.\n // ZRX fees are paid with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // 5% of WETH is reserved for filling feeOrders and paying feeRecipient.\n wethSellAmount = getPartialAmountFloor(\n MAX_WETH_FILL_PERCENTAGE,\n PERCENTAGE_DENOMINATOR,\n msg.value\n );\n // Market sell 95% of WETH.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // If the makerAsset is ZRX, it is not necessary to pay fees out of this\n // contracts's ZRX balance because fees are factored into the price of the order.\n orderFillResults = marketBuyExactZrxWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // Attemp to purchase desired amount of makerAsset.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketBuyExactAmountWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\n\n\ncontract MixinWeth is\n LibMath,\n LibConstants,\n MWeth\n{\n /// @dev Default payabale function, this allows us to withdraw WETH\n function ()\n public\n payable\n {\n require(\n msg.sender == address(ETHER_TOKEN),\n \"DEFAULT_FUNCTION_WETH_CONTRACT_ONLY\"\n );\n }\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal\n {\n require(\n msg.value > 0,\n \"INVALID_MSG_VALUE\"\n );\n ETHER_TOKEN.deposit.value(msg.value)();\n }\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal\n {\n // Ensure feePercentage is less than 5%.\n require(\n feePercentage <= MAX_FEE_PERCENTAGE,\n \"FEE_PERCENTAGE_TOO_LARGE\"\n );\n\n // Ensure that no extra WETH owned by this contract has been sold.\n uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx);\n require(\n wethSold <= msg.value,\n \"OVERSOLD_WETH\"\n );\n\n // Calculate amount of WETH that hasn't been sold.\n uint256 wethRemaining = safeSub(msg.value, wethSold);\n\n // Calculate ETH fee to pay to feeRecipient.\n uint256 ethFee = getPartialAmountFloor(\n feePercentage,\n PERCENTAGE_DENOMINATOR,\n wethSoldExcludingFeeOrders\n );\n\n // Ensure fee is less than amount of WETH remaining.\n require(\n ethFee <= wethRemaining,\n \"INSUFFICIENT_ETH_REMAINING\"\n );\n \n // Do nothing if no WETH remaining\n if (wethRemaining > 0) {\n // Convert remaining WETH to ETH\n ETHER_TOKEN.withdraw(wethRemaining);\n\n // Pay ETH to feeRecipient\n if (ethFee > 0) {\n feeRecipient.transfer(ethFee);\n }\n\n // Refund remaining ETH to msg.sender.\n uint256 ethRefund = safeSub(wethRemaining, ethFee);\n if (ethRefund > 0) {\n msg.sender.transfer(ethRefund);\n }\n }\n }\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssets {\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external;\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract IForwarderCore {\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n}\n", + "2.0.0/extensions/Forwarder/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/LibBytes/LibBytes.sol\";\nimport \"../../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../../tokens/EtherToken/IEtherToken.sol\";\nimport \"../../../tokens/ERC20Token/IERC20Token.sol\";\n\n\ncontract LibConstants {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n uint256 constant internal MAX_UINT = 2**256 - 1;\n uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; \n uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5%\n uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95%\n \n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n IEtherToken internal ETHER_TOKEN;\n IERC20Token internal ZRX_TOKEN;\n bytes internal ZRX_ASSET_DATA;\n bytes internal WETH_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n WETH_ASSET_DATA = _wethAssetData;\n\n address etherToken = _wethAssetData.readAddress(16);\n address zrxToken = _zrxAssetData.readAddress(16);\n ETHER_TOKEN = IEtherToken(etherToken);\n ZRX_TOKEN = IERC20Token(zrxToken);\n }\n}\n", + "2.0.0/extensions/Forwarder/mixins/MAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssets.sol\";\n\n\ncontract MAssets is\n IAssets\n{\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract MExchangeWrapper {\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n}\n", + "2.0.0/extensions/Forwarder/mixins/MWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract MWeth {\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal;\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal;\n}\n", + "2.0.0/extensions/OrderValidator/OrderValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract OrderValidator {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n struct TraderInfo {\n uint256 makerBalance; // Maker's balance of makerAsset\n uint256 makerAllowance; // Maker's allowance to corresponding AssetProxy\n uint256 takerBalance; // Taker's balance of takerAsset\n uint256 takerAllowance; // Taker's allowance to corresponding AssetProxy\n uint256 makerZrxBalance; // Maker's balance of ZRX\n uint256 makerZrxAllowance; // Maker's allowance of ZRX to ERC20Proxy\n uint256 takerZrxBalance; // Taker's balance of ZRX\n uint256 takerZrxAllowance; // Taker's allowance of ZRX to ERC20Proxy\n }\n\n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n bytes internal ZRX_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (address _exchange, bytes memory _zrxAssetData)\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n }\n\n /// @dev Fetches information for order and maker/taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return OrderInfo and TraderInfo instances for given order.\n function getOrderAndTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo, TraderInfo memory traderInfo)\n {\n orderInfo = EXCHANGE.getOrderInfo(order);\n traderInfo = getTraderInfo(order, takerAddress);\n return (orderInfo, traderInfo);\n }\n\n /// @dev Fetches information for all passed in orders and the makers/takers of each order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Arrays of OrderInfo and TraderInfo instances that correspond to each order.\n function getOrdersAndTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (LibOrder.OrderInfo[] memory ordersInfo, TraderInfo[] memory tradersInfo)\n {\n ordersInfo = EXCHANGE.getOrdersInfo(orders);\n tradersInfo = getTradersInfo(orders, takerAddresses);\n return (ordersInfo, tradersInfo);\n }\n\n /// @dev Fetches balance and allowances for maker and taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return Balances and allowances of maker and taker of order.\n function getTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (TraderInfo memory traderInfo)\n {\n (traderInfo.makerBalance, traderInfo.makerAllowance) = getBalanceAndAllowance(order.makerAddress, order.makerAssetData);\n (traderInfo.takerBalance, traderInfo.takerAllowance) = getBalanceAndAllowance(takerAddress, order.takerAssetData);\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n (traderInfo.makerZrxBalance, traderInfo.makerZrxAllowance) = getBalanceAndAllowance(order.makerAddress, zrxAssetData);\n (traderInfo.takerZrxBalance, traderInfo.takerZrxAllowance) = getBalanceAndAllowance(takerAddress, zrxAssetData);\n return traderInfo;\n }\n\n /// @dev Fetches balances and allowances of maker and taker for each provided order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Array of balances and allowances for maker and taker of each order.\n function getTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (TraderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n TraderInfo[] memory tradersInfo = new TraderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n tradersInfo[i] = getTraderInfo(orders[i], takerAddresses[i]);\n }\n return tradersInfo;\n }\n\n /// @dev Fetches token balances and allowances of an address to given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Encoded data that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balance of asset and allowance set to given proxy of asset.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalanceAndAllowance(address target, bytes memory assetData)\n public\n view\n returns (uint256 balance, uint256 allowance)\n {\n bytes4 assetProxyId = assetData.readBytes4(0);\n address token = assetData.readAddress(16);\n address assetProxy = EXCHANGE.getAssetProxy(assetProxyId);\n\n if (assetProxyId == ERC20_DATA_ID) {\n // Query balance\n balance = IERC20Token(token).balanceOf(target);\n\n // Query allowance\n allowance = IERC20Token(token).allowance(target, assetProxy);\n } else if (assetProxyId == ERC721_DATA_ID) {\n uint256 tokenId = assetData.readUint256(36);\n\n // Query owner of tokenId\n address owner = getERC721TokenOwner(token, tokenId);\n\n // Set balance to 1 if tokenId is owned by target\n balance = target == owner ? 1 : 0;\n\n // Check if ERC721Proxy is approved to spend tokenId\n bool isApproved = IERC721Token(token).isApprovedForAll(target, assetProxy) || IERC721Token(token).getApproved(tokenId) == assetProxy;\n \n // Set alowance to 1 if ERC721Proxy is approved to spend tokenId\n allowance = isApproved ? 1 : 0;\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n return (balance, allowance);\n }\n\n /// @dev Fetches token balances and allowances of an address for each given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Array of encoded byte arrays that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balances and allowances of assets.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalancesAndAllowances(address target, bytes[] memory assetData)\n public\n view\n returns (uint256[] memory, uint256[] memory)\n {\n uint256 length = assetData.length;\n uint256[] memory balances = new uint256[](length);\n uint256[] memory allowances = new uint256[](length);\n for (uint256 i = 0; i != length; i++) {\n (balances[i], allowances[i]) = getBalanceAndAllowance(target, assetData[i]);\n }\n return (balances, allowances);\n }\n\n /// @dev Calls `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token.\n /// @param token Address of ERC721 token.\n /// @param tokenId The identifier for the specific NFT.\n /// @return Owner of tokenId or null address if unowned.\n function getERC721TokenOwner(address token, uint256 tokenId)\n public\n view\n returns (address owner)\n {\n assembly {\n // load free memory pointer\n let cdStart := mload(64)\n\n // bytes4(keccak256(ownerOf(uint256))) = 0x6352211e\n mstore(cdStart, 0x6352211e00000000000000000000000000000000000000000000000000000000)\n mstore(add(cdStart, 4), tokenId)\n\n // staticcall `ownerOf(tokenId)`\n // `ownerOf` will revert if tokenId is not owned\n let success := staticcall(\n gas, // forward all gas\n token, // call token contract\n cdStart, // start of calldata\n 36, // length of input is 36 bytes\n cdStart, // write output over input\n 32 // size of output is 32 bytes\n )\n\n // Success implies that tokenId is owned\n // Copy owner from return data if successful\n if success {\n owner := mload(cdStart)\n } \n }\n\n // Owner initialized to address(0), no need to modify if call is unsuccessful\n return owner;\n }\n}\n", + "2.0.0/multisig/MultiSigWallet.sol": "// solhint-disable\npragma solidity ^0.4.15;\n\n\n/// @title Multisignature wallet - Allows multiple parties to agree on transactions before execution.\n/// @author Stefan George - \ncontract MultiSigWallet {\n\n /*\n * Events\n */\n event Confirmation(address indexed sender, uint indexed transactionId);\n event Revocation(address indexed sender, uint indexed transactionId);\n event Submission(uint indexed transactionId);\n event Execution(uint indexed transactionId);\n event ExecutionFailure(uint indexed transactionId);\n event Deposit(address indexed sender, uint value);\n event OwnerAddition(address indexed owner);\n event OwnerRemoval(address indexed owner);\n event RequirementChange(uint required);\n\n /*\n * Constants\n */\n uint constant public MAX_OWNER_COUNT = 50;\n\n /*\n * Storage\n */\n mapping (uint => Transaction) public transactions;\n mapping (uint => mapping (address => bool)) public confirmations;\n mapping (address => bool) public isOwner;\n address[] public owners;\n uint public required;\n uint public transactionCount;\n\n struct Transaction {\n address destination;\n uint value;\n bytes data;\n bool executed;\n }\n\n /*\n * Modifiers\n */\n modifier onlyWallet() {\n require(msg.sender == address(this));\n _;\n }\n\n modifier ownerDoesNotExist(address owner) {\n require(!isOwner[owner]);\n _;\n }\n\n modifier ownerExists(address owner) {\n require(isOwner[owner]);\n _;\n }\n\n modifier transactionExists(uint transactionId) {\n require(transactions[transactionId].destination != 0);\n _;\n }\n\n modifier confirmed(uint transactionId, address owner) {\n require(confirmations[transactionId][owner]);\n _;\n }\n\n modifier notConfirmed(uint transactionId, address owner) {\n require(!confirmations[transactionId][owner]);\n _;\n }\n\n modifier notExecuted(uint transactionId) {\n require(!transactions[transactionId].executed);\n _;\n }\n\n modifier notNull(address _address) {\n require(_address != 0);\n _;\n }\n\n modifier validRequirement(uint ownerCount, uint _required) {\n require(ownerCount <= MAX_OWNER_COUNT\n && _required <= ownerCount\n && _required != 0\n && ownerCount != 0);\n _;\n }\n\n /// @dev Fallback function allows to deposit ether.\n function()\n payable\n {\n if (msg.value > 0)\n Deposit(msg.sender, msg.value);\n }\n\n /*\n * Public functions\n */\n /// @dev Contract constructor sets initial owners and required number of confirmations.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n function MultiSigWallet(address[] _owners, uint _required)\n public\n validRequirement(_owners.length, _required)\n {\n for (uint i=0; i<_owners.length; i++) {\n require(!isOwner[_owners[i]] && _owners[i] != 0);\n isOwner[_owners[i]] = true;\n }\n owners = _owners;\n required = _required;\n }\n\n /// @dev Allows to add a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of new owner.\n function addOwner(address owner)\n public\n onlyWallet\n ownerDoesNotExist(owner)\n notNull(owner)\n validRequirement(owners.length + 1, required)\n {\n isOwner[owner] = true;\n owners.push(owner);\n OwnerAddition(owner);\n }\n\n /// @dev Allows to remove an owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner.\n function removeOwner(address owner)\n public\n onlyWallet\n ownerExists(owner)\n {\n isOwner[owner] = false;\n for (uint i=0; i owners.length)\n changeRequirement(owners.length);\n OwnerRemoval(owner);\n }\n\n /// @dev Allows to replace an owner with a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner to be replaced.\n /// @param newOwner Address of new owner.\n function replaceOwner(address owner, address newOwner)\n public\n onlyWallet\n ownerExists(owner)\n ownerDoesNotExist(newOwner)\n {\n for (uint i=0; i\n// solhint-disable not-rely-on-time\ncontract MultiSigWalletWithTimeLock is\n MultiSigWallet\n{\n event ConfirmationTimeSet(uint256 indexed transactionId, uint256 confirmationTime);\n event TimeLockChange(uint256 secondsTimeLocked);\n\n uint256 public secondsTimeLocked;\n\n mapping (uint256 => uint256) public confirmationTimes;\n\n modifier notFullyConfirmed(uint256 transactionId) {\n require(\n !isConfirmed(transactionId),\n \"TX_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier fullyConfirmed(uint256 transactionId) {\n require(\n isConfirmed(transactionId),\n \"TX_NOT_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier pastTimeLock(uint256 transactionId) {\n require(\n block.timestamp >= confirmationTimes[transactionId] + secondsTimeLocked,\n \"TIME_LOCK_INCOMPLETE\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations, and time lock.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] _owners,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWallet(_owners, _required)\n {\n secondsTimeLocked = _secondsTimeLocked;\n }\n\n /// @dev Changes the duration of the time lock for transactions.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n function changeTimeLock(uint256 _secondsTimeLocked)\n public\n onlyWallet\n {\n secondsTimeLocked = _secondsTimeLocked;\n emit TimeLockChange(_secondsTimeLocked);\n }\n\n /// @dev Allows an owner to confirm a transaction.\n /// @param transactionId Transaction ID.\n function confirmTransaction(uint256 transactionId)\n public\n ownerExists(msg.sender)\n transactionExists(transactionId)\n notConfirmed(transactionId, msg.sender)\n notFullyConfirmed(transactionId)\n {\n confirmations[transactionId][msg.sender] = true;\n emit Confirmation(msg.sender, transactionId);\n if (isConfirmed(transactionId)) {\n setConfirmationTime(transactionId, block.timestamp);\n }\n }\n\n /// @dev Allows anyone to execute a confirmed transaction.\n /// @param transactionId Transaction ID.\n function executeTransaction(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n pastTimeLock(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n\n /// @dev Sets the time of when a submission first passed.\n function setConfirmationTime(uint256 transactionId, uint256 confirmationTime)\n internal\n {\n confirmationTimes[transactionId] = confirmationTime;\n emit ConfirmationTimeSet(transactionId, confirmationTime);\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC20Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n \n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 1 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n\n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. amount |\n\n /////// Read token address from calldata ///////\n // * The token address is stored in `assetData`.\n //\n // * The \"offset to assetData\" is stored at offset 4 in the calldata (table 1).\n // [assetDataOffsetFromParams = calldataload(4)]\n //\n // * Notes that the \"offset to assetData\" is relative to the \"Params\" area of calldata;\n // add 4 bytes to account for the length of the \"Header\" area (table 1).\n // [assetDataOffsetFromHeader = assetDataOffsetFromParams + 4]\n //\n // * The \"token address\" is offset 32+4=36 bytes into \"assetData\" (tables 1 & 2).\n // [tokenOffset = assetDataOffsetFromHeader + 36 = calldataload(4) + 4 + 36]\n let token := calldataload(add(calldataload(4), 40))\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from`, `to` and `amount` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 96)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output over input\n 32 // output size should be 32 bytes\n )\n\n /////// Check return data. ///////\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // nonzero 32 bytes value.\n // So the transfer succeeded if the call succeeded and either\n // returned nothing, or returned a non-zero 32 byte value. \n success := and(success, or(\n iszero(returndatasize),\n and(\n eq(returndatasize, 32),\n gt(mload(0), 0)\n )\n ))\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC721Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 2 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n // | | 36 | | 2. tokenId |\n \n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. tokenId |\n\n // There exists only 1 of each token.\n // require(amount == 1, \"INVALID_AMOUNT\")\n if sub(calldataload(100), 1) {\n // Revert with `Error(\"INVALID_AMOUNT\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from` and `to` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 64)\n\n // Copy `tokenId` field from our own calldata to the new calldata.\n let assetDataOffset := calldataload(4)\n calldatacopy(68, add(assetDataOffset, 72), 32)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let token := calldataload(add(assetDataOffset, 40))\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output to null\n 0 // output size is 0 bytes\n )\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAuthorizable.sol\";\n\n\ncontract MixinAuthorizable is\n Ownable,\n MAuthorizable\n{\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized {\n require(\n authorized[msg.sender],\n \"SENDER_NOT_AUTHORIZED\"\n );\n _;\n }\n\n mapping (address => bool) public authorized;\n address[] public authorities;\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n !authorized[target],\n \"TARGET_ALREADY_AUTHORIZED\"\n );\n\n authorized[target] = true;\n authorities.push(target);\n emit AuthorizedAddressAdded(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n\n delete authorized[target];\n for (uint256 i = 0; i < authorities.length; i++) {\n if (authorities[i] == target) {\n authorities[i] = authorities[authorities.length - 1];\n authorities.length -= 1;\n break;\n }\n }\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n require(\n index < authorities.length,\n \"INDEX_OUT_OF_BOUNDS\"\n );\n require(\n authorities[index] == target,\n \"AUTHORIZED_ADDRESS_MISMATCH\"\n );\n\n delete authorized[target];\n authorities[index] = authorities[authorities.length - 1];\n authorities.length -= 1;\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory)\n {\n return authorities;\n }\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IAuthorizable.sol\";\n\n\ncontract IAssetProxy is\n IAuthorizable\n{\n /// @dev Transfers assets. Either succeeds or throws.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n function transferFrom(\n bytes assetData,\n address from,\n address to,\n uint256 amount\n )\n external;\n \n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4);\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/Ownable/IOwnable.sol\";\n\n\ncontract IAuthorizable is\n IOwnable\n{\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external;\n \n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory);\n}\n", + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAuthorizable.sol\";\n\n\ncontract MAuthorizable is\n IAuthorizable\n{\n // Event logged when a new address is authorized.\n event AuthorizedAddressAdded(\n address indexed target,\n address indexed caller\n );\n\n // Event logged when a currently authorized address is unauthorized.\n event AuthorizedAddressRemoved(\n address indexed target,\n address indexed caller\n );\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized { revert(); _; }\n}\n", + "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../multisig/MultiSigWalletWithTimeLock.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract AssetProxyOwner is\n MultiSigWalletWithTimeLock\n{\n using LibBytes for bytes;\n\n event AssetProxyRegistration(address assetProxyContract, bool isRegistered);\n\n // Mapping of AssetProxy contract address =>\n // if this contract is allowed to call the AssetProxy's `removeAuthorizedAddressAtIndex` method without a time lock.\n mapping (address => bool) public isAssetProxyRegistered;\n\n bytes4 constant internal REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR = bytes4(keccak256(\"removeAuthorizedAddressAtIndex(address,uint256)\"));\n\n /// @dev Function will revert if the transaction does not call `removeAuthorizedAddressAtIndex`\n /// on an approved AssetProxy contract.\n modifier validRemoveAuthorizedAddressAtIndexTx(uint256 transactionId) {\n Transaction storage txn = transactions[transactionId];\n require(\n isAssetProxyRegistered[txn.destination],\n \"UNREGISTERED_ASSET_PROXY\"\n );\n require(\n txn.data.readBytes4(0) == REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR,\n \"INVALID_FUNCTION_SELECTOR\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations,\n /// time lock, and list of AssetProxy addresses.\n /// @param _owners List of initial owners.\n /// @param _assetProxyContracts Array of AssetProxy contract addresses.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] memory _owners,\n address[] memory _assetProxyContracts,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWalletWithTimeLock(_owners, _required, _secondsTimeLocked)\n {\n for (uint256 i = 0; i < _assetProxyContracts.length; i++) {\n address assetProxy = _assetProxyContracts[i];\n require(\n assetProxy != address(0),\n \"INVALID_ASSET_PROXY\"\n );\n isAssetProxyRegistered[assetProxy] = true;\n }\n }\n\n /// @dev Registers or deregisters an AssetProxy to be able to execute\n /// `removeAuthorizedAddressAtIndex` without a timelock.\n /// @param assetProxyContract Address of AssetProxy contract.\n /// @param isRegistered Status of approval for AssetProxy contract.\n function registerAssetProxy(address assetProxyContract, bool isRegistered)\n public\n onlyWallet\n notNull(assetProxyContract)\n {\n isAssetProxyRegistered[assetProxyContract] = isRegistered;\n emit AssetProxyRegistration(assetProxyContract, isRegistered);\n }\n\n /// @dev Allows execution of `removeAuthorizedAddressAtIndex` without time lock.\n /// @param transactionId Transaction ID.\n function executeRemoveAuthorizedAddressAtIndex(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n validRemoveAuthorizedAddressAtIndexTx(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n}\n", + "2.0.0/protocol/Exchange/Exchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinExchangeCore.sol\";\nimport \"./MixinSignatureValidator.sol\";\nimport \"./MixinWrapperFunctions.sol\";\nimport \"./MixinAssetProxyDispatcher.sol\";\nimport \"./MixinTransactions.sol\";\nimport \"./MixinMatchOrders.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Exchange is\n MixinExchangeCore,\n MixinMatchOrders,\n MixinSignatureValidator,\n MixinTransactions,\n MixinAssetProxyDispatcher,\n MixinWrapperFunctions\n{\n string constant public VERSION = \"2.0.0\";\n\n // Mixins are instantiated in the order they are inherited\n constructor ()\n public\n MixinExchangeCore()\n MixinMatchOrders()\n MixinSignatureValidator()\n MixinTransactions()\n MixinAssetProxyDispatcher()\n MixinWrapperFunctions()\n {}\n}\n", + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\nimport \"../AssetProxy/interfaces/IAssetProxy.sol\";\n\n\ncontract MixinAssetProxyDispatcher is\n Ownable,\n MAssetProxyDispatcher\n{\n // Mapping from Asset Proxy Id's to their respective Asset Proxy\n mapping (bytes4 => IAssetProxy) public assetProxies;\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external\n onlyOwner\n {\n IAssetProxy assetProxyContract = IAssetProxy(assetProxy);\n\n // Ensure that no asset proxy exists with current id.\n bytes4 assetProxyId = assetProxyContract.getProxyId();\n address currentAssetProxy = assetProxies[assetProxyId];\n require(\n currentAssetProxy == address(0),\n \"ASSET_PROXY_ALREADY_EXISTS\"\n );\n\n // Add asset proxy and log registration.\n assetProxies[assetProxyId] = assetProxyContract;\n emit AssetProxyRegistered(\n assetProxyId,\n assetProxy\n );\n }\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address)\n {\n return assetProxies[assetProxyId];\n }\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal\n {\n // Do nothing if no amount should be transferred.\n if (amount > 0 && from != to) {\n // Ensure assetData length is valid\n require(\n assetData.length > 3,\n \"LENGTH_GREATER_THAN_3_REQUIRED\"\n );\n \n // Lookup assetProxy. We do not use `LibBytes.readBytes4` for gas efficiency reasons.\n bytes4 assetProxyId;\n assembly {\n assetProxyId := and(mload(\n add(assetData, 32)),\n 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000\n )\n }\n address assetProxy = assetProxies[assetProxyId];\n\n // Ensure that assetProxy exists\n require(\n assetProxy != address(0),\n \"ASSET_PROXY_DOES_NOT_EXIST\"\n );\n \n // We construct calldata for the `assetProxy.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n\n assembly {\n /////// Setup State ///////\n // `cdStart` is the start of the calldata for `assetProxy.transferFrom` (equal to free memory ptr).\n let cdStart := mload(64)\n // `dataAreaLength` is the total number of words needed to store `assetData`\n // As-per the ABI spec, this value is padded up to the nearest multiple of 32,\n // and includes 32-bytes for length.\n let dataAreaLength := and(add(mload(assetData), 63), 0xFFFFFFFFFFFE0)\n // `cdEnd` is the end of the calldata for `assetProxy.transferFrom`.\n let cdEnd := add(cdStart, add(132, dataAreaLength))\n\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFromSelector`.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes.\n // Notes:\n // 1. The offset to `assetData` is the length of the Params Area (128 bytes).\n // 2. A 20-byte mask is applied to addresses to zero-out the unused bytes.\n mstore(add(cdStart, 4), 128)\n mstore(add(cdStart, 36), and(from, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 68), and(to, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 100), amount)\n \n /////// Setup Data Area ///////\n // This area holds `assetData`.\n let dataArea := add(cdStart, 132)\n // solhint-disable-next-line no-empty-blocks\n for {} lt(dataArea, cdEnd) {} {\n mstore(dataArea, mload(assetData))\n dataArea := add(dataArea, 32)\n assetData := add(assetData, 32)\n }\n\n /////// Call `assetProxy.transferFrom` using the constructed calldata ///////\n let success := call(\n gas, // forward all gas\n assetProxy, // call address of asset proxy\n 0, // don't send any ETH\n cdStart, // pointer to start of input\n sub(cdEnd, cdStart), // length of input \n cdStart, // write output over input\n 512 // reserve 512 bytes for output\n )\n if iszero(success) {\n revert(cdStart, returndatasize())\n }\n }\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinExchangeCore is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n LibOrder,\n LibFillResults,\n MAssetProxyDispatcher,\n MExchangeCore,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of orderHash => amount of takerAsset already bought by maker\n mapping (bytes32 => uint256) public filled;\n\n // Mapping of orderHash => cancelled\n mapping (bytes32 => bool) public cancelled;\n\n // Mapping of makerAddress => senderAddress => lowest salt an order can have in order to be fillable\n // Orders with specified senderAddress and with a salt less than their epoch are considered cancelled\n mapping (address => mapping (address => uint256)) public orderEpoch;\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external\n nonReentrant\n {\n address makerAddress = getCurrentContextAddress();\n // If this function is called via `executeTransaction`, we only update the orderEpoch for the makerAddress/msg.sender combination.\n // This allows external filter contracts to add rules to how orders are cancelled via this function.\n address senderAddress = makerAddress == msg.sender ? address(0) : msg.sender;\n\n // orderEpoch is initialized to 0, so to cancelUpTo we need salt + 1\n uint256 newOrderEpoch = targetOrderEpoch + 1; \n uint256 oldOrderEpoch = orderEpoch[makerAddress][senderAddress];\n\n // Ensure orderEpoch is monotonically increasing\n require(\n newOrderEpoch > oldOrderEpoch, \n \"INVALID_NEW_ORDER_EPOCH\"\n );\n\n // Update orderEpoch\n orderEpoch[makerAddress][senderAddress] = newOrderEpoch;\n emit CancelUpTo(\n makerAddress,\n senderAddress,\n newOrderEpoch\n );\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrder(Order memory order)\n public\n nonReentrant\n {\n cancelOrderInternal(order);\n }\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(Order memory order)\n public\n view\n returns (OrderInfo memory orderInfo)\n {\n // Compute the order hash\n orderInfo.orderHash = getOrderHash(order);\n\n // Fetch filled amount\n orderInfo.orderTakerAssetFilledAmount = filled[orderInfo.orderHash];\n\n // If order.makerAssetAmount is zero, we also reject the order.\n // While the Exchange contract handles them correctly, they create\n // edge cases in the supporting infrastructure because they have\n // an 'infinite' price when computed by a simple division.\n if (order.makerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_MAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // If order.takerAssetAmount is zero, then the order will always\n // be considered filled because 0 == takerAssetAmount == orderTakerAssetFilledAmount\n // Instead of distinguishing between unfilled and filled zero taker\n // amount orders, we choose not to support them.\n if (order.takerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_TAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // Validate order availability\n if (orderInfo.orderTakerAssetFilledAmount >= order.takerAssetAmount) {\n orderInfo.orderStatus = uint8(OrderStatus.FULLY_FILLED);\n return orderInfo;\n }\n\n // Validate order expiration\n // solhint-disable-next-line not-rely-on-time\n if (block.timestamp >= order.expirationTimeSeconds) {\n orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);\n return orderInfo;\n }\n\n // Check if order has been cancelled\n if (cancelled[orderInfo.orderHash]) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n if (orderEpoch[order.makerAddress][order.senderAddress] > order.salt) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n\n // All other statuses are ruled out: order is Fillable\n orderInfo.orderStatus = uint8(OrderStatus.FILLABLE);\n return orderInfo;\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // Fetch order info\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Assert that the order is fillable by taker\n assertFillableOrder(\n order,\n orderInfo,\n takerAddress,\n signature\n );\n \n // Get amount of takerAsset to fill\n uint256 remainingTakerAssetAmount = safeSub(order.takerAssetAmount, orderInfo.orderTakerAssetFilledAmount);\n uint256 takerAssetFilledAmount = min256(takerAssetFillAmount, remainingTakerAssetAmount);\n\n // Validate context\n assertValidFill(\n order,\n orderInfo,\n takerAssetFillAmount,\n takerAssetFilledAmount,\n fillResults.makerAssetFilledAmount\n );\n\n // Compute proportional fill amounts\n fillResults = calculateFillResults(order, takerAssetFilledAmount);\n\n // Update exchange internal state\n updateFilledState(\n order,\n takerAddress,\n orderInfo.orderHash,\n orderInfo.orderTakerAssetFilledAmount,\n fillResults\n );\n \n // Settle order\n settleOrder(\n order,\n takerAddress,\n fillResults\n );\n\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrderInternal(Order memory order)\n internal\n {\n // Fetch current order status\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Validate context\n assertValidCancel(order, orderInfo);\n\n // Perform cancel\n updateCancelledState(order, orderInfo.orderHash);\n }\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n function updateFilledState(\n Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n FillResults memory fillResults\n )\n internal\n {\n // Update state\n filled[orderHash] = safeAdd(orderTakerAssetFilledAmount, fillResults.takerAssetFilledAmount);\n\n // Log order\n emit Fill(\n order.makerAddress,\n order.feeRecipientAddress,\n takerAddress,\n msg.sender,\n fillResults.makerAssetFilledAmount,\n fillResults.takerAssetFilledAmount,\n fillResults.makerFeePaid,\n fillResults.takerFeePaid,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n Order memory order,\n bytes32 orderHash\n )\n internal\n {\n // Perform cancel\n cancelled[orderHash] = true;\n\n // Log cancel\n emit Cancel(\n order.makerAddress,\n order.feeRecipientAddress,\n msg.sender,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n Order memory order,\n OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view\n {\n // An order can only be filled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n \n // Validate sender is allowed to fill this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n \n // Validate taker is allowed to fill this order\n if (order.takerAddress != address(0)) {\n require(\n order.takerAddress == takerAddress,\n \"INVALID_TAKER\"\n );\n }\n \n // Validate Maker signature (check only if first time seen)\n if (orderInfo.orderTakerAssetFilledAmount == 0) {\n require(\n isValidSignature(\n orderInfo.orderHash,\n order.makerAddress,\n signature\n ),\n \"INVALID_ORDER_SIGNATURE\"\n );\n }\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n Order memory order,\n OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount, // TODO: use FillResults\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view\n {\n // Revert if fill amount is invalid\n // TODO: reconsider necessity for v2.1\n require(\n takerAssetFillAmount != 0,\n \"INVALID_TAKER_AMOUNT\"\n );\n \n // Make sure taker does not pay more than desired amount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n takerAssetFilledAmount <= takerAssetFillAmount,\n \"TAKER_OVERPAY\"\n );\n \n // Make sure order is not overfilled\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeAdd(orderInfo.orderTakerAssetFilledAmount, takerAssetFilledAmount) <= order.takerAssetAmount,\n \"ORDER_OVERFILL\"\n );\n \n // Make sure order is filled at acceptable price.\n // The order has an implied price from the makers perspective:\n // order price = order.makerAssetAmount / order.takerAssetAmount\n // i.e. the number of makerAsset maker is paying per takerAsset. The\n // maker is guaranteed to get this price or a better (lower) one. The\n // actual price maker is getting in this fill is:\n // fill price = makerAssetFilledAmount / takerAssetFilledAmount\n // We need `fill price <= order price` for the fill to be fair to maker.\n // This amounts to:\n // makerAssetFilledAmount order.makerAssetAmount\n // ------------------------ <= -----------------------\n // takerAssetFilledAmount order.takerAssetAmount\n // or, equivalently:\n // makerAssetFilledAmount * order.takerAssetAmount <=\n // order.makerAssetAmount * takerAssetFilledAmount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeMul(makerAssetFilledAmount, order.takerAssetAmount)\n <= \n safeMul(order.makerAssetAmount, takerAssetFilledAmount),\n \"INVALID_FILL_PRICE\"\n );\n }\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n Order memory order,\n OrderInfo memory orderInfo\n )\n internal\n view\n {\n // Ensure order is valid\n // An order can only be cancelled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Validate sender is allowed to cancel this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate transaction signed by maker\n address makerAddress = getCurrentContextAddress();\n require(\n order.makerAddress == makerAddress,\n \"INVALID_MAKER\"\n );\n }\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (FillResults memory fillResults)\n {\n // Compute proportional transfer amounts\n fillResults.takerAssetFilledAmount = takerAssetFilledAmount;\n fillResults.makerAssetFilledAmount = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n );\n fillResults.makerFeePaid = safeGetPartialAmountFloor(\n fillResults.makerAssetFilledAmount,\n order.makerAssetAmount,\n order.makerFee\n );\n fillResults.takerFeePaid = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.takerFee\n );\n\n return fillResults;\n }\n\n /// @dev Settles an order by transferring assets between counterparties.\n /// @param order Order struct containing order specifications.\n /// @param takerAddress Address selling takerAsset and buying makerAsset.\n /// @param fillResults Amounts to be filled and fees paid by maker and taker.\n function settleOrder(\n LibOrder.Order memory order,\n address takerAddress,\n LibFillResults.FillResults memory fillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n dispatchTransferFrom(\n order.makerAssetData,\n order.makerAddress,\n takerAddress,\n fillResults.makerAssetFilledAmount\n );\n dispatchTransferFrom(\n order.takerAssetData,\n takerAddress,\n order.makerAddress,\n fillResults.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n zrxAssetData,\n order.makerAddress,\n order.feeRecipientAddress,\n fillResults.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n order.feeRecipientAddress,\n fillResults.takerFeePaid\n );\n }\n}\n", + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": "/*\n Copyright 2018 ZeroEx Intl.\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n http://www.apache.org/licenses/LICENSE-2.0\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MMatchOrders.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinMatchOrders is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n MAssetProxyDispatcher,\n MExchangeCore,\n MMatchOrders,\n MTransactions\n{\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n nonReentrant\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We assume that rightOrder.takerAssetData == leftOrder.makerAssetData and rightOrder.makerAssetData == leftOrder.takerAssetData.\n // If this assumption isn't true, the match will fail at signature validation.\n rightOrder.makerAssetData = leftOrder.takerAssetData;\n rightOrder.takerAssetData = leftOrder.makerAssetData;\n\n // Get left & right order info\n LibOrder.OrderInfo memory leftOrderInfo = getOrderInfo(leftOrder);\n LibOrder.OrderInfo memory rightOrderInfo = getOrderInfo(rightOrder);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Either our context is valid or we revert\n assertFillableOrder(\n leftOrder,\n leftOrderInfo,\n takerAddress,\n leftSignature\n );\n assertFillableOrder(\n rightOrder,\n rightOrderInfo,\n takerAddress,\n rightSignature\n );\n assertValidMatch(leftOrder, rightOrder);\n\n // Compute proportional fill amounts\n matchedFillResults = calculateMatchedFillResults(\n leftOrder,\n rightOrder,\n leftOrderInfo.orderTakerAssetFilledAmount,\n rightOrderInfo.orderTakerAssetFilledAmount\n );\n\n // Validate fill contexts\n assertValidFill(\n leftOrder,\n leftOrderInfo,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.makerAssetFilledAmount\n );\n assertValidFill(\n rightOrder,\n rightOrderInfo,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n \n // Update exchange state\n updateFilledState(\n leftOrder,\n takerAddress,\n leftOrderInfo.orderHash,\n leftOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.left\n );\n updateFilledState(\n rightOrder,\n takerAddress,\n rightOrderInfo.orderHash,\n rightOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.right\n );\n\n // Settle matched orders. Succeeds or throws.\n settleMatchedOrders(\n leftOrder,\n rightOrder,\n takerAddress,\n matchedFillResults\n );\n\n return matchedFillResults;\n }\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure\n {\n // Make sure there is a profitable spread.\n // There is a profitable spread iff the cost per unit bought (OrderA.MakerAmount/OrderA.TakerAmount) for each order is greater\n // than the profit per unit sold of the matched order (OrderB.TakerAmount/OrderB.MakerAmount).\n // This is satisfied by the equations below:\n // / >= / \n // AND\n // / >= / \n // These equations can be combined to get the following:\n require(\n safeMul(leftOrder.makerAssetAmount, rightOrder.makerAssetAmount) >=\n safeMul(leftOrder.takerAssetAmount, rightOrder.takerAssetAmount),\n \"NEGATIVE_SPREAD_REQUIRED\"\n );\n }\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // Derive maker asset amounts for left & right orders, given store taker assert amounts\n uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);\n uint256 leftMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n leftTakerAssetAmountRemaining\n );\n uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);\n uint256 rightMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n rightOrder.makerAssetAmount,\n rightOrder.takerAssetAmount,\n rightTakerAssetAmountRemaining\n );\n\n // Calculate fill results for maker and taker assets: at least one order will be fully filled.\n // The maximum amount the left maker can buy is `leftTakerAssetAmountRemaining`\n // The maximum amount the right maker can sell is `rightMakerAssetAmountRemaining`\n // We have two distinct cases for calculating the fill results:\n // Case 1.\n // If the left maker can buy more than the right maker can sell, then only the right order is fully filled.\n // If the left maker can buy exactly what the right maker can sell, then both orders are fully filled.\n // Case 2.\n // If the left maker cannot buy more than the right maker can sell, then only the left order is fully filled.\n if (leftTakerAssetAmountRemaining >= rightMakerAssetAmountRemaining) {\n // Case 1: Right order is fully filled\n matchedFillResults.right.makerAssetFilledAmount = rightMakerAssetAmountRemaining;\n matchedFillResults.right.takerAssetFilledAmount = rightTakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = matchedFillResults.right.makerAssetFilledAmount;\n // Round down to ensure the maker's exchange rate does not exceed the price specified by the order. \n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.left.makerAssetFilledAmount = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n matchedFillResults.left.takerAssetFilledAmount\n );\n } else {\n // Case 2: Left order is fully filled\n matchedFillResults.left.makerAssetFilledAmount = leftMakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = leftTakerAssetAmountRemaining;\n matchedFillResults.right.makerAssetFilledAmount = matchedFillResults.left.takerAssetFilledAmount;\n // Round up to ensure the maker's exchange rate does not exceed the price specified by the order.\n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.right.takerAssetFilledAmount = safeGetPartialAmountCeil(\n rightOrder.takerAssetAmount,\n rightOrder.makerAssetAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n }\n\n // Calculate amount given to taker\n matchedFillResults.leftMakerAssetSpreadAmount = safeSub(\n matchedFillResults.left.makerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount\n );\n\n // Compute fees for left order\n matchedFillResults.left.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.makerAssetFilledAmount,\n leftOrder.makerAssetAmount,\n leftOrder.makerFee\n );\n matchedFillResults.left.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.takerAssetFilledAmount,\n leftOrder.takerAssetAmount,\n leftOrder.takerFee\n );\n\n // Compute fees for right order\n matchedFillResults.right.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.makerAssetFilledAmount,\n rightOrder.makerAssetAmount,\n rightOrder.makerFee\n );\n matchedFillResults.right.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.takerAssetFilledAmount,\n rightOrder.takerAssetAmount,\n rightOrder.takerFee\n );\n\n // Return fill results\n return matchedFillResults;\n }\n\n /// @dev Settles matched order by transferring appropriate funds between order makers, taker, and fee recipient.\n /// @param leftOrder First matched order.\n /// @param rightOrder Second matched order.\n /// @param takerAddress Address that matched the orders. The taker receives the spread between orders as profit.\n /// @param matchedFillResults Struct holding amounts to transfer between makers, taker, and fee recipients.\n function settleMatchedOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n address takerAddress,\n LibFillResults.MatchedFillResults memory matchedFillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n // Order makers and taker\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n rightOrder.makerAddress,\n matchedFillResults.right.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n rightOrder.makerAssetData,\n rightOrder.makerAddress,\n leftOrder.makerAddress,\n matchedFillResults.left.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n takerAddress,\n matchedFillResults.leftMakerAssetSpreadAmount\n );\n\n // Maker fees\n dispatchTransferFrom(\n zrxAssetData,\n leftOrder.makerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n rightOrder.makerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.makerFeePaid\n );\n\n // Taker fees\n if (leftOrder.feeRecipientAddress == rightOrder.feeRecipientAddress) {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n safeAdd(\n matchedFillResults.left.takerFeePaid,\n matchedFillResults.right.takerFeePaid\n )\n );\n } else {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.takerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.takerFeePaid\n );\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./interfaces/IWallet.sol\";\nimport \"./interfaces/IValidator.sol\";\n\n\ncontract MixinSignatureValidator is\n ReentrancyGuard,\n MSignatureValidator,\n MTransactions\n{\n using LibBytes for bytes;\n \n // Mapping of hash => signer => signed\n mapping (bytes32 => mapping (address => bool)) public preSigned;\n\n // Mapping of signer => validator => approved\n mapping (address => mapping (address => bool)) public allowedValidators;\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n {\n if (signerAddress != msg.sender) {\n require(\n isValidSignature(\n hash,\n signerAddress,\n signature\n ),\n \"INVALID_SIGNATURE\"\n );\n }\n preSigned[hash][signerAddress] = true;\n }\n\n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external\n nonReentrant\n {\n address signerAddress = getCurrentContextAddress();\n allowedValidators[signerAddress][validatorAddress] = approval;\n emit SignatureValidatorApproval(\n signerAddress,\n validatorAddress,\n approval\n );\n }\n\n /// @dev Verifies that a hash has been signed by the given signer.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid)\n {\n require(\n signature.length > 0,\n \"LENGTH_GREATER_THAN_0_REQUIRED\"\n );\n\n // Pop last byte off of signature byte array.\n uint8 signatureTypeRaw = uint8(signature.popLastByte());\n\n // Ensure signature is supported\n require(\n signatureTypeRaw < uint8(SignatureType.NSignatureTypes),\n \"SIGNATURE_UNSUPPORTED\"\n );\n\n SignatureType signatureType = SignatureType(signatureTypeRaw);\n\n // Variables are not scoped in Solidity.\n uint8 v;\n bytes32 r;\n bytes32 s;\n address recovered;\n\n // Always illegal signature.\n // This is always an implicit option since a signer can create a\n // signature array with invalid type or length. We may as well make\n // it an explicit option. This aids testing and analysis. It is\n // also the initialization value for the enum type.\n if (signatureType == SignatureType.Illegal) {\n revert(\"SIGNATURE_ILLEGAL\");\n\n // Always invalid signature.\n // Like Illegal, this is always implicitly available and therefore\n // offered explicitly. It can be implicitly created by providing\n // a correctly formatted but incorrect signature.\n } else if (signatureType == SignatureType.Invalid) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = false;\n return isValid;\n\n // Signature using EIP712\n } else if (signatureType == SignatureType.EIP712) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n hash,\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signed using web3.eth_sign\n } else if (signatureType == SignatureType.EthSign) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n32\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signature verified by wallet contract.\n // If used with an order, the maker of the order is the wallet contract.\n } else if (signatureType == SignatureType.Wallet) {\n isValid = isValidWalletSignature(\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signature verified by validator contract.\n // If used with an order, the maker of the order can still be an EOA.\n // A signature using this type should be encoded as:\n // | Offset | Length | Contents |\n // | 0x00 | x | Signature to validate |\n // | 0x00 + x | 20 | Address of validator contract |\n // | 0x14 + x | 1 | Signature type is always \"\\x06\" |\n } else if (signatureType == SignatureType.Validator) {\n // Pop last 20 bytes off of signature byte array.\n address validatorAddress = signature.popLast20Bytes();\n \n // Ensure signer has approved validator.\n if (!allowedValidators[signerAddress][validatorAddress]) {\n return false;\n }\n isValid = isValidValidatorSignature(\n validatorAddress,\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signer signed hash previously using the preSign function.\n } else if (signatureType == SignatureType.PreSigned) {\n isValid = preSigned[hash][signerAddress];\n return isValid;\n }\n\n // Anything else is illegal (We do not return false because\n // the signature may actually be valid, just not in a format\n // that we currently support. In this case returning false\n // may lead the caller to incorrectly believe that the\n // signature was invalid.)\n revert(\"SIGNATURE_UNSUPPORTED\");\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if signature is valid for given wallet..\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IWallet(walletAddress).isValidSignature.selector,\n hash,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n walletAddress, // address of Wallet contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"WALLET_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000c57414c4c45545f4552524f5200000000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IValidator(signerAddress).isValidSignature.selector,\n hash,\n signerAddress,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n validatorAddress, // address of Validator contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"VALIDATOR_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f56414c494441544f525f4552524f5200000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n}\n", + "2.0.0/protocol/Exchange/MixinTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"./libs/LibExchangeErrors.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./libs/LibEIP712.sol\";\n\n\ncontract MixinTransactions is\n LibEIP712,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of transaction hash => executed\n // This prevents transactions from being executed more than once.\n mapping (bytes32 => bool) public transactions;\n\n // Address of current transaction signer\n address public currentContextAddress;\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external\n {\n // Prevent reentrancy\n require(\n currentContextAddress == address(0),\n \"REENTRANCY_ILLEGAL\"\n );\n\n bytes32 transactionHash = hashEIP712Message(hashZeroExTransaction(\n salt,\n signerAddress,\n data\n ));\n\n // Validate transaction has not been executed\n require(\n !transactions[transactionHash],\n \"INVALID_TX_HASH\"\n );\n\n // Transaction always valid if signer is sender of transaction\n if (signerAddress != msg.sender) {\n // Validate signature\n require(\n isValidSignature(\n transactionHash,\n signerAddress,\n signature\n ),\n \"INVALID_TX_SIGNATURE\"\n );\n\n // Set the current transaction signer\n currentContextAddress = signerAddress;\n }\n\n // Execute transaction\n transactions[transactionHash] = true;\n require(\n address(this).delegatecall(data),\n \"FAILED_EXECUTION\"\n );\n\n // Reset current transaction signer if it was previously updated\n if (signerAddress != msg.sender) {\n currentContextAddress = address(0);\n }\n }\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;\n bytes32 dataHash = keccak256(data);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,\n // salt,\n // bytes32(signerAddress),\n // keccak256(data)\n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, schemaHash) // hash of schema\n mstore(add(memPtr, 32), salt) // salt\n mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff)) // signerAddress\n mstore(add(memPtr, 96), dataHash) // hash of data\n\n // Compute hash\n result := keccak256(memPtr, 128)\n }\n return result;\n }\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address)\n {\n address currentContextAddress_ = currentContextAddress;\n address contextAddress = currentContextAddress_ == address(0) ? msg.sender : currentContextAddress_;\n return contextAddress;\n }\n}\n", + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibAbiEncoder.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MWrapperFunctions.sol\";\n\n\ncontract MixinWrapperFunctions is\n ReentrancyGuard,\n LibMath,\n LibFillResults,\n LibAbiEncoder,\n MExchangeCore,\n MWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrKillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n // Delegate to `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := delegatecall(\n gas, // forward all gas\n address, // call address of this contract\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrKillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n \n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public\n nonReentrant\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n cancelOrderInternal(orders[i]);\n }\n }\n\n /// @dev Fetches information for all passed in orders.\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n LibOrder.OrderInfo[] memory ordersInfo = new LibOrder.OrderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n ordersInfo[i] = getOrderInfo(orders[i]);\n }\n return ordersInfo;\n }\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n require(\n fillResults.takerAssetFilledAmount == takerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return fillResults;\n }\n}\n", + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssetProxyDispatcher {\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external;\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./IExchangeCore.sol\";\nimport \"./IMatchOrders.sol\";\nimport \"./ISignatureValidator.sol\";\nimport \"./ITransactions.sol\";\nimport \"./IAssetProxyDispatcher.sol\";\nimport \"./IWrapperFunctions.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract IExchange is\n IExchangeCore,\n IMatchOrders,\n ISignatureValidator,\n ITransactions,\n IAssetProxyDispatcher,\n IWrapperFunctions\n{}\n", + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IExchangeCore {\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external;\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrder(LibOrder.Order memory order)\n public;\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(LibOrder.Order memory order)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IMatchOrders {\n\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ISignatureValidator {\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external;\n \n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external;\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address of signer.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\n\ncontract ITransactions {\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external;\n}\n", + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IValidator {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IWallet {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IWrapperFunctions {\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public;\n\n /// @dev Fetches information for all passed in orders\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory);\n}\n", + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./LibOrder.sol\";\n\n\ncontract LibAbiEncoder {\n\n /// @dev ABI encodes calldata for `fillOrder`.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return ABI encoded calldata for `fillOrder`.\n function abiEncodeFillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n pure\n returns (bytes memory fillOrderCalldata)\n {\n // We need to call MExchangeCore.fillOrder using a delegatecall in\n // assembly so that we can intercept a call that throws. For this, we\n // need the input encoded in memory in the Ethereum ABIv2 format [1].\n\n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0x00 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 0x00 | | 1. offset to order (*) |\n // | | 0x20 | | 2. takerAssetFillAmount |\n // | | 0x40 | | 3. offset to signature (*) |\n // | Data | | 12 * 32 | order: |\n // | | 0x000 | | 1. senderAddress |\n // | | 0x020 | | 2. makerAddress |\n // | | 0x040 | | 3. takerAddress |\n // | | 0x060 | | 4. feeRecipientAddress |\n // | | 0x080 | | 5. makerAssetAmount |\n // | | 0x0A0 | | 6. takerAssetAmount |\n // | | 0x0C0 | | 7. makerFeeAmount |\n // | | 0x0E0 | | 8. takerFeeAmount |\n // | | 0x100 | | 9. expirationTimeSeconds |\n // | | 0x120 | | 10. salt |\n // | | 0x140 | | 11. Offset to makerAssetData (*) |\n // | | 0x160 | | 12. Offset to takerAssetData (*) |\n // | | 0x180 | 32 | makerAssetData Length |\n // | | 0x1A0 | ** | makerAssetData Contents |\n // | | 0x1C0 | 32 | takerAssetData Length |\n // | | 0x1E0 | ** | takerAssetData Contents |\n // | | 0x200 | 32 | signature Length |\n // | | 0x220 | ** | signature Contents |\n\n // * Offsets are calculated from the beginning of the current area: Header, Params, Data:\n // An offset stored in the Params area is calculated from the beginning of the Params section.\n // An offset stored in the Data area is calculated from the beginning of the Data section.\n\n // ** The length of dynamic array contents are stored in the field immediately preceeding the contents.\n\n // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html\n\n assembly {\n\n // Areas below may use the following variables:\n // 1. Start -- Start of this area in memory\n // 2. End -- End of this area in memory. This value may\n // be precomputed (before writing contents),\n // or it may be computed as contents are written.\n // 3. Offset -- Current offset into area. If an area's End\n // is precomputed, this variable tracks the\n // offsets of contents as they are written.\n\n /////// Setup Header Area ///////\n // Load free memory pointer\n fillOrderCalldata := mload(0x40)\n // bytes4(keccak256(\"fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)\"))\n // = 0xb4be83d5\n // Leave 0x20 bytes to store the length\n mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000)\n let headerAreaEnd := add(fillOrderCalldata, 0x24)\n\n /////// Setup Params Area ///////\n // This area is preallocated and written to later.\n // This is because we need to fill in offsets that have not yet been calculated.\n let paramsAreaStart := headerAreaEnd\n let paramsAreaEnd := add(paramsAreaStart, 0x60)\n let paramsAreaOffset := paramsAreaStart\n\n /////// Setup Data Area ///////\n let dataAreaStart := paramsAreaEnd\n let dataAreaEnd := dataAreaStart\n\n // Offset from the source data we're reading from\n let sourceOffset := order\n // arrayLenBytes and arrayLenWords track the length of a dynamically-allocated bytes array.\n let arrayLenBytes := 0\n let arrayLenWords := 0\n\n /////// Write order Struct ///////\n // Write memory location of Order, relative to the start of the\n // parameter list, then increment the paramsAreaOffset respectively.\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n // Write values for each field in the order\n // It would be nice to use a loop, but we save on gas by writing\n // the stores sequentially.\n mstore(dataAreaEnd, mload(sourceOffset)) // makerAddress\n mstore(add(dataAreaEnd, 0x20), mload(add(sourceOffset, 0x20))) // takerAddress\n mstore(add(dataAreaEnd, 0x40), mload(add(sourceOffset, 0x40))) // feeRecipientAddress\n mstore(add(dataAreaEnd, 0x60), mload(add(sourceOffset, 0x60))) // senderAddress\n mstore(add(dataAreaEnd, 0x80), mload(add(sourceOffset, 0x80))) // makerAssetAmount\n mstore(add(dataAreaEnd, 0xA0), mload(add(sourceOffset, 0xA0))) // takerAssetAmount\n mstore(add(dataAreaEnd, 0xC0), mload(add(sourceOffset, 0xC0))) // makerFeeAmount\n mstore(add(dataAreaEnd, 0xE0), mload(add(sourceOffset, 0xE0))) // takerFeeAmount\n mstore(add(dataAreaEnd, 0x100), mload(add(sourceOffset, 0x100))) // expirationTimeSeconds\n mstore(add(dataAreaEnd, 0x120), mload(add(sourceOffset, 0x120))) // salt\n mstore(add(dataAreaEnd, 0x140), mload(add(sourceOffset, 0x140))) // Offset to makerAssetData\n mstore(add(dataAreaEnd, 0x160), mload(add(sourceOffset, 0x160))) // Offset to takerAssetData\n dataAreaEnd := add(dataAreaEnd, 0x180)\n sourceOffset := add(sourceOffset, 0x180)\n\n // Write offset to \n mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x140)) // makerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Write offset to \n mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x160)) // takerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n /////// Write takerAssetFillAmount ///////\n mstore(paramsAreaOffset, takerAssetFillAmount)\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n /////// Write signature ///////\n // Write offset to paramsArea\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n\n // Calculate length of signature\n sourceOffset := signature\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of signature\n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of signature\n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Set length of calldata\n mstore(fillOrderCalldata, sub(dataAreaEnd, add(fillOrderCalldata, 0x20)))\n\n // Increment free memory pointer\n mstore(0x40, dataAreaEnd)\n }\n\n return fillOrderCalldata;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\n// solhint-disable max-line-length\ncontract LibConstants {\n \n // Asset data for ZRX token. Used for fee transfers.\n // @TODO: Hardcode constant when we deploy. Currently \n // not constant to make testing easier.\n\n // The proxyId for ZRX_ASSET_DATA is bytes4(keccak256(\"ERC20Token(address)\")) = 0xf47261b0\n \n // Kovan ZRX address is 0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570.\n // The ABI encoded proxyId and address is 0xf47261b00000000000000000000000006ff6c0ff1d68b964901f986d4c9fa3ac68346570\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x6f\\xf6\\xc0\\xff\\x1d\\x68\\xb9\\x64\\x90\\x1f\\x98\\x6d\\x4c\\x9f\\xa3\\xac\\x68\\x34\\x65\\x70\";\n \n // Mainnet ZRX address is 0xe41d2489571d322189246dafa5ebde1f4699f498.\n // The ABI encoded proxyId and address is 0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\n bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xe4\\x1d\\x24\\x89\\x57\\x1d\\x32\\x21\\x89\\x24\\x6d\\xaf\\xa5\\xeb\\xde\\x1f\\x46\\x99\\xf4\\x98\";\n}\n// solhint-enable max-line-length\n", + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract LibEIP712 {\n\n // EIP191 header for EIP712 prefix\n string constant internal EIP191_HEADER = \"\\x19\\x01\";\n\n // EIP712 Domain Name value\n string constant internal EIP712_DOMAIN_NAME = \"0x Protocol\";\n\n // EIP712 Domain Version value\n string constant internal EIP712_DOMAIN_VERSION = \"2\";\n\n // Hash of the EIP712 Domain Separator Schema\n bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"EIP712Domain(\",\n \"string name,\",\n \"string version,\",\n \"address verifyingContract\",\n \")\"\n ));\n\n // Hash of the EIP712 Domain Separator data\n // solhint-disable-next-line var-name-mixedcase\n bytes32 public EIP712_DOMAIN_HASH;\n\n constructor ()\n public\n {\n EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(\n EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,\n keccak256(bytes(EIP712_DOMAIN_NAME)),\n keccak256(bytes(EIP712_DOMAIN_VERSION)),\n bytes32(address(this))\n ));\n }\n\n /// @dev Calculates EIP712 encoding for a hash struct in this EIP712 Domain.\n /// @param hashStruct The EIP712 hash struct.\n /// @return EIP712 hash applied to this EIP712 Domain.\n function hashEIP712Message(bytes32 hashStruct)\n internal\n view\n returns (bytes32 result)\n {\n bytes32 eip712DomainHash = EIP712_DOMAIN_HASH;\n\n // Assembly for more efficient computing:\n // keccak256(abi.encodePacked(\n // EIP191_HEADER,\n // EIP712_DOMAIN_HASH,\n // hashStruct \n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, 0x1901000000000000000000000000000000000000000000000000000000000000) // EIP191 header\n mstore(add(memPtr, 2), eip712DomainHash) // EIP712 domain hash\n mstore(add(memPtr, 34), hashStruct) // Hash of struct\n\n // Compute hash\n result := keccak256(memPtr, 66)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity 0.4.24;\n\n\n/// @dev This contract documents the revert reasons used in the Exchange contract.\n/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons.\ncontract LibExchangeErrors {\n\n /// Order validation errors ///\n string constant ORDER_UNFILLABLE = \"ORDER_UNFILLABLE\"; // Order cannot be filled.\n string constant INVALID_MAKER = \"INVALID_MAKER\"; // Invalid makerAddress.\n string constant INVALID_TAKER = \"INVALID_TAKER\"; // Invalid takerAddress.\n string constant INVALID_SENDER = \"INVALID_SENDER\"; // Invalid `msg.sender`.\n string constant INVALID_ORDER_SIGNATURE = \"INVALID_ORDER_SIGNATURE\"; // Signature validation failed. \n \n /// fillOrder validation errors ///\n string constant INVALID_TAKER_AMOUNT = \"INVALID_TAKER_AMOUNT\"; // takerAssetFillAmount cannot equal 0.\n string constant ROUNDING_ERROR = \"ROUNDING_ERROR\"; // Rounding error greater than 0.1% of takerAssetFillAmount. \n \n /// Signature validation errors ///\n string constant INVALID_SIGNATURE = \"INVALID_SIGNATURE\"; // Signature validation failed. \n string constant SIGNATURE_ILLEGAL = \"SIGNATURE_ILLEGAL\"; // Signature type is illegal.\n string constant SIGNATURE_UNSUPPORTED = \"SIGNATURE_UNSUPPORTED\"; // Signature type unsupported.\n \n /// cancelOrdersUptTo errors ///\n string constant INVALID_NEW_ORDER_EPOCH = \"INVALID_NEW_ORDER_EPOCH\"; // Specified salt must be greater than or equal to existing orderEpoch.\n\n /// fillOrKillOrder errors ///\n string constant COMPLETE_FILL_FAILED = \"COMPLETE_FILL_FAILED\"; // Desired takerAssetFillAmount could not be completely filled. \n\n /// matchOrders errors ///\n string constant NEGATIVE_SPREAD_REQUIRED = \"NEGATIVE_SPREAD_REQUIRED\"; // Matched orders must have a negative spread.\n\n /// Transaction errors ///\n string constant REENTRANCY_ILLEGAL = \"REENTRANCY_ILLEGAL\"; // Recursive reentrancy is not allowed. \n string constant INVALID_TX_HASH = \"INVALID_TX_HASH\"; // Transaction has already been executed. \n string constant INVALID_TX_SIGNATURE = \"INVALID_TX_SIGNATURE\"; // Signature validation failed. \n string constant FAILED_EXECUTION = \"FAILED_EXECUTION\"; // Transaction execution failed. \n \n /// registerAssetProxy errors ///\n string constant ASSET_PROXY_ALREADY_EXISTS = \"ASSET_PROXY_ALREADY_EXISTS\"; // AssetProxy with same id already exists.\n\n /// dispatchTransferFrom errors ///\n string constant ASSET_PROXY_DOES_NOT_EXIST = \"ASSET_PROXY_DOES_NOT_EXIST\"; // No assetProxy registered at given id.\n string constant TRANSFER_FAILED = \"TRANSFER_FAILED\"; // Asset transfer unsuccesful.\n\n /// Length validation errors ///\n string constant LENGTH_GREATER_THAN_0_REQUIRED = \"LENGTH_GREATER_THAN_0_REQUIRED\"; // Byte array must have a length greater than 0.\n string constant LENGTH_GREATER_THAN_3_REQUIRED = \"LENGTH_GREATER_THAN_3_REQUIRED\"; // Byte array must have a length greater than 3.\n string constant LENGTH_0_REQUIRED = \"LENGTH_0_REQUIRED\"; // Byte array must have a length of 0.\n string constant LENGTH_65_REQUIRED = \"LENGTH_65_REQUIRED\"; // Byte array must have a length of 65.\n}\n", + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibFillResults is\n SafeMath\n{\n struct FillResults {\n uint256 makerAssetFilledAmount; // Total amount of makerAsset(s) filled.\n uint256 takerAssetFilledAmount; // Total amount of takerAsset(s) filled.\n uint256 makerFeePaid; // Total amount of ZRX paid by maker(s) to feeRecipient(s).\n uint256 takerFeePaid; // Total amount of ZRX paid by taker to feeRecipients(s).\n }\n\n struct MatchedFillResults {\n FillResults left; // Amounts filled and fees paid of left order.\n FillResults right; // Amounts filled and fees paid of right order.\n uint256 leftMakerAssetSpreadAmount; // Spread between price of left and right order, denominated in the left order's makerAsset, paid to taker.\n }\n\n /// @dev Adds properties of both FillResults instances.\n /// Modifies the first FillResults instance specified.\n /// @param totalFillResults Fill results instance that will be added onto.\n /// @param singleFillResults Fill results instance that will be added to totalFillResults.\n function addFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)\n internal\n pure\n {\n totalFillResults.makerAssetFilledAmount = safeAdd(totalFillResults.makerAssetFilledAmount, singleFillResults.makerAssetFilledAmount);\n totalFillResults.takerAssetFilledAmount = safeAdd(totalFillResults.takerAssetFilledAmount, singleFillResults.takerAssetFilledAmount);\n totalFillResults.makerFeePaid = safeAdd(totalFillResults.makerFeePaid, singleFillResults.makerFeePaid);\n totalFillResults.takerFeePaid = safeAdd(totalFillResults.takerFeePaid, singleFillResults.takerFeePaid);\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibMath.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibMath is\n SafeMath\n{\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function safeGetPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorFloor(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function safeGetPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorCeil(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function getPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function getPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // The absolute rounding error is the difference between the rounded\n // value and the ideal value. The relative rounding error is the\n // absolute rounding error divided by the absolute value of the\n // ideal value. This is undefined when the ideal value is zero.\n //\n // The ideal value is `numerator * target / denominator`.\n // Let's call `numerator * target % denominator` the remainder.\n // The absolute error is `remainder / denominator`.\n //\n // When the ideal value is zero, we require the absolute error to\n // be zero. Fortunately, this is always the case. The ideal value is\n // zero iff `numerator == 0` and/or `target == 0`. In this case the\n // remainder and absolute error are also zero. \n if (target == 0 || numerator == 0) {\n return false;\n }\n \n // Otherwise, we want the relative rounding error to be strictly\n // less than 0.1%.\n // The relative error is `remainder / (numerator * target)`.\n // We want the relative error less than 1 / 1000:\n // remainder / (numerator * denominator) < 1 / 1000\n // or equivalently:\n // 1000 * remainder < numerator * target\n // so we have a rounding error iff:\n // 1000 * remainder >= numerator * target\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding up.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // See the comments in `isRoundingError`.\n if (target == 0 || numerator == 0) {\n // When either is zero, the ideal value and rounded value are zero\n // and there is no rounding error. (Although the relative error\n // is undefined.)\n return false;\n }\n // Compute remainder as before\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n remainder = safeSub(denominator, remainder) % denominator;\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibOrder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./LibEIP712.sol\";\n\n\ncontract LibOrder is\n LibEIP712\n{\n // Hash for the EIP712 Order Schema\n bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"Order(\",\n \"address makerAddress,\",\n \"address takerAddress,\",\n \"address feeRecipientAddress,\",\n \"address senderAddress,\",\n \"uint256 makerAssetAmount,\",\n \"uint256 takerAssetAmount,\",\n \"uint256 makerFee,\",\n \"uint256 takerFee,\",\n \"uint256 expirationTimeSeconds,\",\n \"uint256 salt,\",\n \"bytes makerAssetData,\",\n \"bytes takerAssetData\",\n \")\"\n ));\n\n // A valid order remains fillable until it is expired, fully filled, or cancelled.\n // An order's state is unaffected by external factors, like account balances.\n enum OrderStatus {\n INVALID, // Default value\n INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount\n INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount\n FILLABLE, // Order is fillable\n EXPIRED, // Order has already expired\n FULLY_FILLED, // Order is fully filled\n CANCELLED // Order has been cancelled\n }\n\n // solhint-disable max-line-length\n struct Order {\n address makerAddress; // Address that created the order. \n address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order. \n address feeRecipientAddress; // Address that will recieve fees when order is filled. \n address senderAddress; // Address that is allowed to call Exchange contract methods that affect this order. If set to 0, any address is allowed to call these methods.\n uint256 makerAssetAmount; // Amount of makerAsset being offered by maker. Must be greater than 0. \n uint256 takerAssetAmount; // Amount of takerAsset being bid on by maker. Must be greater than 0. \n uint256 makerFee; // Amount of ZRX paid to feeRecipient by maker when order is filled. If set to 0, no transfer of ZRX from maker to feeRecipient will be attempted.\n uint256 takerFee; // Amount of ZRX paid to feeRecipient by taker when order is filled. If set to 0, no transfer of ZRX from taker to feeRecipient will be attempted.\n uint256 expirationTimeSeconds; // Timestamp in seconds at which order expires. \n uint256 salt; // Arbitrary number to facilitate uniqueness of the order's hash. \n bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.\n bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.\n }\n // solhint-enable max-line-length\n\n struct OrderInfo {\n uint8 orderStatus; // Status that describes order's validity and fillability.\n bytes32 orderHash; // EIP712 hash of the order (see LibOrder.getOrderHash).\n uint256 orderTakerAssetFilledAmount; // Amount of order that has already been filled.\n }\n\n /// @dev Calculates Keccak-256 hash of the order.\n /// @param order The order structure.\n /// @return Keccak-256 EIP712 hash of the order.\n function getOrderHash(Order memory order)\n internal\n view\n returns (bytes32 orderHash)\n {\n orderHash = hashEIP712Message(hashOrder(order));\n return orderHash;\n }\n\n /// @dev Calculates EIP712 hash of the order.\n /// @param order The order structure.\n /// @return EIP712 hash of the order.\n function hashOrder(Order memory order)\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ORDER_SCHEMA_HASH;\n bytes32 makerAssetDataHash = keccak256(order.makerAssetData);\n bytes32 takerAssetDataHash = keccak256(order.takerAssetData);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ORDER_SCHEMA_HASH,\n // bytes32(order.makerAddress),\n // bytes32(order.takerAddress),\n // bytes32(order.feeRecipientAddress),\n // bytes32(order.senderAddress),\n // order.makerAssetAmount,\n // order.takerAssetAmount,\n // order.makerFee,\n // order.takerFee,\n // order.expirationTimeSeconds,\n // order.salt,\n // keccak256(order.makerAssetData),\n // keccak256(order.takerAssetData)\n // ));\n\n assembly {\n // Calculate memory addresses that will be swapped out before hashing\n let pos1 := sub(order, 32)\n let pos2 := add(order, 320)\n let pos3 := add(order, 352)\n\n // Backup\n let temp1 := mload(pos1)\n let temp2 := mload(pos2)\n let temp3 := mload(pos3)\n \n // Hash in place\n mstore(pos1, schemaHash)\n mstore(pos2, makerAssetDataHash)\n mstore(pos3, takerAssetDataHash)\n result := keccak256(pos1, 416)\n \n // Restore\n mstore(pos1, temp1)\n mstore(pos2, temp2)\n mstore(pos3, temp3)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssetProxyDispatcher.sol\";\n\n\ncontract MAssetProxyDispatcher is\n IAssetProxyDispatcher\n{\n // Logs registration of new asset proxy\n event AssetProxyRegistered(\n bytes4 id, // Id of new registered AssetProxy.\n address assetProxy // Address of new registered AssetProxy.\n );\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IExchangeCore.sol\";\n\n\ncontract MExchangeCore is\n IExchangeCore\n{\n // Fill event is emitted whenever an order is filled.\n event Fill(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that received fees.\n address takerAddress, // Address that filled the order.\n address senderAddress, // Address that called the Exchange contract (msg.sender).\n uint256 makerAssetFilledAmount, // Amount of makerAsset sold by maker and bought by taker. \n uint256 takerAssetFilledAmount, // Amount of takerAsset sold by taker and bought by maker.\n uint256 makerFeePaid, // Amount of ZRX paid to feeRecipient by maker.\n uint256 takerFeePaid, // Amount of ZRX paid to feeRecipient by taker.\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // Cancel event is emitted whenever an individual order is cancelled.\n event Cancel(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that would have recieved fees if order was filled. \n address senderAddress, // Address that called the Exchange contract (msg.sender).\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // CancelUpTo event is emitted whenever `cancelOrdersUpTo` is executed succesfully.\n event CancelUpTo(\n address indexed makerAddress, // Orders cancelled must have been created by this address.\n address indexed senderAddress, // Orders cancelled must have a `senderAddress` equal to this address.\n uint256 orderEpoch // Orders with specified makerAddress and senderAddress with a salt less than this value are considered cancelled.\n );\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrderInternal(LibOrder.Order memory order)\n internal;\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function updateFilledState(\n LibOrder.Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n LibFillResults.FillResults memory fillResults\n )\n internal;\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n LibOrder.Order memory order,\n bytes32 orderHash\n )\n internal;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo Status, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view;\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo\n )\n internal\n view;\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n LibOrder.Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.FillResults memory fillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IMatchOrders.sol\";\n\n\ncontract MMatchOrders is\n IMatchOrders\n{\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure;\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/ISignatureValidator.sol\";\n\n\ncontract MSignatureValidator is\n ISignatureValidator\n{\n event SignatureValidatorApproval(\n address indexed signerAddress, // Address that approves or disapproves a contract to verify signatures.\n address indexed validatorAddress, // Address of signature validator contract.\n bool approved // Approval or disapproval of validator contract.\n );\n\n // Allowed signature types.\n enum SignatureType {\n Illegal, // 0x00, default value\n Invalid, // 0x01\n EIP712, // 0x02\n EthSign, // 0x03\n Wallet, // 0x04\n Validator, // 0x05\n PreSigned, // 0x06\n NSignatureTypes // 0x07, number of signature types. Always leave at end.\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"../interfaces/ITransactions.sol\";\n\n\ncontract MTransactions is\n ITransactions\n{\n // Hash for the EIP712 ZeroEx Transaction Schema\n bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"ZeroExTransaction(\",\n \"uint256 salt,\",\n \"address signerAddress,\",\n \"bytes data\",\n \")\"\n ));\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result);\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address);\n}\n", + "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IWrapperFunctions.sol\";\n\n\ncontract MWrapperFunctions is \n IWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n}\n", + "2.0.0/tokens/ERC20Token/IERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n \n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n \n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", + "2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Token {\n\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(\n address indexed _owner,\n address indexed _approved,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(\n address indexed _owner,\n address indexed _operator,\n bool _approved\n );\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// perator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external;\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public;\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address);\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) \n public\n view\n returns (address);\n \n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool);\n}\n", + "2.0.0/tokens/EtherToken/IEtherToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/IERC20Token.sol\";\n\n\ncontract IEtherToken is\n IERC20Token\n{\n function deposit()\n public\n payable;\n \n function withdraw(uint256 amount)\n public;\n}\n", + "2.0.0/utils/LibBytes/LibBytes.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\nlibrary LibBytes {\n\n using LibBytes for bytes;\n\n /// @dev Gets the memory address for a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of byte array. This\n /// points to the header of the byte array which contains\n /// the length.\n function rawAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := input\n }\n return memoryAddress;\n }\n \n /// @dev Gets the memory address for the contents of a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of the contents of the byte array.\n function contentAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := add(input, 32)\n }\n return memoryAddress;\n }\n\n /// @dev Copies `length` bytes from memory location `source` to `dest`.\n /// @param dest memory address to copy bytes to.\n /// @param source memory address to copy bytes from.\n /// @param length number of bytes to copy.\n function memCopy(\n uint256 dest,\n uint256 source,\n uint256 length\n )\n internal\n pure\n {\n if (length < 32) {\n // Handle a partial word by reading destination and masking\n // off the bits we are interested in.\n // This correctly handles overlap, zero lengths and source == dest\n assembly {\n let mask := sub(exp(256, sub(32, length)), 1)\n let s := and(mload(source), not(mask))\n let d := and(mload(dest), mask)\n mstore(dest, or(s, d))\n }\n } else {\n // Skip the O(length) loop when source == dest.\n if (source == dest) {\n return;\n }\n\n // For large copies we copy whole words at a time. The final\n // word is aligned to the end of the range (instead of after the\n // previous) to handle partial words. So a copy will look like this:\n //\n // ####\n // ####\n // ####\n // ####\n //\n // We handle overlap in the source and destination range by\n // changing the copying direction. This prevents us from\n // overwriting parts of source that we still need to copy.\n //\n // This correctly handles source == dest\n //\n if (source > dest) {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because it\n // is easier to compare with in the loop, and these\n // are also the addresses we need for copying the\n // last bytes.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the last 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the last bytes in\n // source already due to overlap.\n let last := mload(sEnd)\n\n // Copy whole words front to back\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} lt(source, sEnd) {} {\n mstore(dest, mload(source))\n source := add(source, 32)\n dest := add(dest, 32)\n }\n \n // Write the last 32 bytes\n mstore(dEnd, last)\n }\n } else {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because those\n // are the starting points when copying a word at the end.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the first 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the first bytes in\n // source already due to overlap.\n let first := mload(source)\n\n // Copy whole words back to front\n // We use a signed comparisson here to allow dEnd to become\n // negative (happens when source and dest < 32). Valid\n // addresses in local memory will never be larger than\n // 2**255, so they can be safely re-interpreted as signed.\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} slt(dest, dEnd) {} {\n mstore(dEnd, mload(sEnd))\n sEnd := sub(sEnd, 32)\n dEnd := sub(dEnd, 32)\n }\n \n // Write the first 32 bytes\n mstore(dest, first)\n }\n }\n }\n }\n\n /// @dev Returns a slices from a byte array.\n /// @param b The byte array to take a slice from.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n function slice(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure and copy contents\n result = new bytes(to - from);\n memCopy(\n result.contentAddress(),\n b.contentAddress() + from,\n result.length\n );\n return result;\n }\n \n /// @dev Returns a slice from a byte array without preserving the input.\n /// @param b The byte array to take a slice from. Will be destroyed in the process.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n /// @dev When `from == 0`, the original array will match the slice. In other cases its state will be corrupted.\n function sliceDestructive(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure around [from, to) in-place.\n assembly {\n result := add(b, from)\n mstore(result, sub(to, from))\n }\n return result;\n }\n\n /// @dev Pops the last byte off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The byte that was popped off.\n function popLastByte(bytes memory b)\n internal\n pure\n returns (bytes1 result)\n {\n require(\n b.length > 0,\n \"GREATER_THAN_ZERO_LENGTH_REQUIRED\"\n );\n\n // Store last byte.\n result = b[b.length - 1];\n\n assembly {\n // Decrement length of byte array.\n let newLen := sub(mload(b), 1)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Pops the last 20 bytes off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The 20 byte address that was popped off.\n function popLast20Bytes(bytes memory b)\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= 20,\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Store last 20 bytes.\n result = readAddress(b, b.length - 20);\n\n assembly {\n // Subtract 20 from byte array length.\n let newLen := sub(mload(b), 20)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Tests equality of two byte arrays.\n /// @param lhs First byte array to compare.\n /// @param rhs Second byte array to compare.\n /// @return True if arrays are the same. False otherwise.\n function equals(\n bytes memory lhs,\n bytes memory rhs\n )\n internal\n pure\n returns (bool equal)\n {\n // Keccak gas cost is 30 + numWords * 6. This is a cheap way to compare.\n // We early exit on unequal lengths, but keccak would also correctly\n // handle this.\n return lhs.length == rhs.length && keccak256(lhs) == keccak256(rhs);\n }\n\n /// @dev Reads an address from a position in a byte array.\n /// @param b Byte array containing an address.\n /// @param index Index in byte array of address.\n /// @return address from byte array.\n function readAddress(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Read address from array memory\n assembly {\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 20-byte mask to obtain address\n result := and(mload(add(b, index)), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n return result;\n }\n\n /// @dev Writes an address into a specific position in a byte array.\n /// @param b Byte array to insert address into.\n /// @param index Index in byte array of address.\n /// @param input Address to put into byte array.\n function writeAddress(\n bytes memory b,\n uint256 index,\n address input\n )\n internal\n pure\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Store address into array memory\n assembly {\n // The address occupies 20 bytes and mstore stores 32 bytes.\n // First fetch the 32-byte word where we'll be storing the address, then\n // apply a mask so we have only the bytes in the word that the address will not occupy.\n // Then combine these bytes with the address and store the 32 bytes back to memory with mstore.\n\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 12-byte mask to obtain extra bytes occupying word of memory where we'll store the address\n let neighbors := and(\n mload(add(b, index)),\n 0xffffffffffffffffffffffff0000000000000000000000000000000000000000\n )\n \n // Make sure input address is clean.\n // (Solidity does not guarantee this)\n input := and(input, 0xffffffffffffffffffffffffffffffffffffffff)\n\n // Store the neighbors and address into memory\n mstore(add(b, index), xor(input, neighbors))\n }\n }\n\n /// @dev Reads a bytes32 value from a position in a byte array.\n /// @param b Byte array containing a bytes32 value.\n /// @param index Index in byte array of bytes32 value.\n /// @return bytes32 value from byte array.\n function readBytes32(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes32 result)\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n result := mload(add(b, index))\n }\n return result;\n }\n\n /// @dev Writes a bytes32 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes32 to put into byte array.\n function writeBytes32(\n bytes memory b,\n uint256 index,\n bytes32 input\n )\n internal\n pure\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n mstore(add(b, index), input)\n }\n }\n\n /// @dev Reads a uint256 value from a position in a byte array.\n /// @param b Byte array containing a uint256 value.\n /// @param index Index in byte array of uint256 value.\n /// @return uint256 value from byte array.\n function readUint256(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (uint256 result)\n {\n result = uint256(readBytes32(b, index));\n return result;\n }\n\n /// @dev Writes a uint256 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input uint256 to put into byte array.\n function writeUint256(\n bytes memory b,\n uint256 index,\n uint256 input\n )\n internal\n pure\n {\n writeBytes32(b, index, bytes32(input));\n }\n\n /// @dev Reads an unpadded bytes4 value from a position in a byte array.\n /// @param b Byte array containing a bytes4 value.\n /// @param index Index in byte array of bytes4 value.\n /// @return bytes4 value from byte array.\n function readBytes4(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes4 result)\n {\n require(\n b.length >= index + 4,\n \"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 32 byte length field\n index += 32;\n\n // Read the bytes4 from array memory\n assembly {\n result := mload(add(b, index))\n // Solidity does not require us to clean the trailing bytes.\n // We do it anyway\n result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)\n }\n return result;\n }\n\n /// @dev Reads nested bytes from a specific position.\n /// @dev NOTE: the returned value overlaps with the input value.\n /// Both should be treated as immutable.\n /// @param b Byte array containing nested bytes.\n /// @param index Index of nested bytes.\n /// @return result Nested bytes.\n function readBytesWithLength(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes memory result)\n {\n // Read length of nested bytes\n uint256 nestedBytesLength = readUint256(b, index);\n index += 32;\n\n // Assert length of is valid, given\n // length of nested bytes\n require(\n b.length >= index + nestedBytesLength,\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n \n // Return a pointer to the byte array as it exists inside `b`\n assembly {\n result := add(b, index)\n }\n return result;\n }\n\n /// @dev Inserts bytes at a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes to insert.\n function writeBytesWithLength(\n bytes memory b,\n uint256 index,\n bytes memory input\n )\n internal\n pure\n {\n // Assert length of is valid, given\n // length of input\n require(\n b.length >= index + 32 + input.length, // 32 bytes to store length\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n\n // Copy into \n memCopy(\n b.contentAddress() + index,\n input.rawAddress(), // includes length of \n input.length + 32 // +32 bytes to store length\n );\n }\n\n /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length.\n /// @param dest Byte array that will be overwritten with source bytes.\n /// @param source Byte array to copy onto dest bytes.\n function deepCopyBytes(\n bytes memory dest,\n bytes memory source\n )\n internal\n pure\n {\n uint256 sourceLen = source.length;\n // Dest length must be >= source length, or some bytes would not be copied.\n require(\n dest.length >= sourceLen,\n \"GREATER_OR_EQUAL_TO_SOURCE_BYTES_LENGTH_REQUIRED\"\n );\n memCopy(\n dest.contentAddress(),\n source.contentAddress(),\n sourceLen\n );\n }\n}\n", + "2.0.0/utils/Ownable/IOwnable.sol": "pragma solidity 0.4.24;\n\n\ncontract IOwnable {\n\n function transferOwnership(address newOwner)\n public;\n}\n", + "2.0.0/utils/Ownable/Ownable.sol": "pragma solidity 0.4.24;\n\nimport \"./IOwnable.sol\";\n\n\ncontract Ownable is\n IOwnable\n{\n address public owner;\n\n constructor ()\n public\n {\n owner = msg.sender;\n }\n\n modifier onlyOwner() {\n require(\n msg.sender == owner,\n \"ONLY_CONTRACT_OWNER\"\n );\n _;\n }\n\n function transferOwnership(address newOwner)\n public\n onlyOwner\n {\n if (newOwner != address(0)) {\n owner = newOwner;\n }\n }\n}\n", + "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ReentrancyGuard {\n\n // Locked state of mutex\n bool private locked = false;\n\n /// @dev Functions with this modifer cannot be reentered. The mutex will be locked\n /// before function execution and unlocked after.\n modifier nonReentrant() {\n // Ensure mutex is unlocked\n require(\n !locked,\n \"REENTRANCY_ILLEGAL\"\n );\n\n // Lock mutex before function call\n locked = true;\n\n // Perform function call\n _;\n\n // Unlock mutex after function call\n locked = false;\n }\n}\n", + "2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n\n function safeMul(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(\n c / a == b,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function safeDiv(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a / b;\n return c;\n }\n\n function safeSub(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n require(\n b <= a,\n \"UINT256_UNDERFLOW\"\n );\n return a - b;\n }\n\n function safeAdd(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a + b;\n require(\n c >= a,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function max64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n\n function max256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n}\n" + }, + "sourceTreeHashHex": "0x61b379850639517b46c6d60f6c12c18bf568c6d475f90938b2653446bd018009", + "compiler": { + "name": "solc", + "version": "soljson-v0.4.24+commit.e67f0147.js", + "settings": { + "optimizer": { + "enabled": true, + "runs": 1000000 + }, + "outputSelection": { + "*": { + "*": [ + "abi", + "evm.bytecode.object", + "evm.bytecode.sourceMap", + "evm.deployedBytecode.object", + "evm.deployedBytecode.sourceMap" + ] + } + } + } + }, + "networks": { + "1": { + "address": "0x2240dab907db71e64d3e0dba4800c83b5c502d4e", + "links": {}, + "constructorArgs": "[]" + }, + "3": { + "address": "0xb1408f4c245a23c31b98d2c626777d4c0d766caa", + "links": {}, + "constructorArgs": "[]" + }, + "42": { + "address": "0xf1ec01d6236d3cd881a0bf0130ea25fe4234003e", + "links": {}, + "constructorArgs": "[]" + }, + "50": { + "address": "0x1dc4c1cefef38a777b15aa20260a54e584b16c48", + "links": {}, + "constructorArgs": "[]" + } + } +} diff --git a/packages/migrations/artifacts/2.0.0/ERC20Token.json b/packages/migrations/artifacts/2.0.0/ERC20Token.json new file mode 100644 index 000000000..11ec4b57a --- /dev/null +++ b/packages/migrations/artifacts/2.0.0/ERC20Token.json @@ -0,0 +1,486 @@ +{ + "schemaVersion": "2.0.0", + "contractName": "ERC20Token", + "compilerOutput": { + "abi": [ + { + "constant": false, + "inputs": [ + { + "name": "_spender", + "type": "address" + }, + { + "name": "_value", + "type": "uint256" + } + ], + "name": "approve", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "totalSupply", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_from", + "type": "address" + }, + { + "name": "_to", + "type": "address" + }, + { + "name": "_value", + "type": "uint256" + } + ], + "name": "transferFrom", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "_owner", + "type": "address" + } + ], + "name": "balanceOf", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": 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+ } + } + }, + "sources": { + "2.0.0/extensions/Forwarder/Forwarder.sol": { + "id": 0 + }, + "2.0.0/extensions/Forwarder/MixinAssets.sol": { + "id": 1 + }, + "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": { + "id": 2 + }, + "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": { + "id": 3 + }, + "2.0.0/extensions/Forwarder/MixinWeth.sol": { + "id": 4 + }, + "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": { + "id": 5 + }, + "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": { + "id": 6 + }, + "2.0.0/extensions/Forwarder/libs/LibConstants.sol": { + "id": 7 + }, + "2.0.0/extensions/Forwarder/mixins/MAssets.sol": { + "id": 8 + }, + "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": { + "id": 9 + }, + "2.0.0/extensions/Forwarder/mixins/MWeth.sol": { + "id": 10 + }, + "2.0.0/extensions/OrderValidator/OrderValidator.sol": { + "id": 11 + }, + "2.0.0/multisig/MultiSigWallet.sol": { + "id": 12 + }, + "2.0.0/multisig/MultiSigWalletWithTimeLock.sol": { + "id": 13 + }, + "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": { + "id": 14 + }, + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": { + "id": 15 + }, + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": { + "id": 16 + }, + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": { + "id": 17 + }, + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": { + "id": 18 + }, + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": { + "id": 19 + }, + "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": { + "id": 20 + }, + "2.0.0/protocol/Exchange/Exchange.sol": { + "id": 21 + }, + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": { + "id": 22 + }, + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": { + "id": 23 + }, + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": { + "id": 24 + }, + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": { + "id": 25 + }, + "2.0.0/protocol/Exchange/MixinTransactions.sol": { + "id": 26 + }, + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": { + "id": 27 + }, + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": { + "id": 28 + }, + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": { + "id": 29 + }, + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": { + "id": 30 + }, + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": { + "id": 31 + }, + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": { + "id": 32 + }, + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": { + "id": 33 + }, + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": { + "id": 34 + }, + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": { + "id": 35 + }, + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": { + "id": 36 + }, + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": { + "id": 37 + }, + "2.0.0/protocol/Exchange/libs/LibConstants.sol": { + "id": 38 + }, + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": { + "id": 39 + }, + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": { + "id": 40 + }, + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": { + "id": 41 + }, + "2.0.0/protocol/Exchange/libs/LibMath.sol": { + "id": 42 + }, + "2.0.0/protocol/Exchange/libs/LibOrder.sol": { + "id": 43 + }, + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": { + "id": 44 + }, + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": { + "id": 45 + }, + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": { + "id": 46 + }, + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": { + "id": 47 + }, + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": { + "id": 48 + }, + "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": { + "id": 49 + }, + "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": { + "id": 50 + }, + "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": { + "id": 51 + }, + "2.0.0/tokens/ERC20Token/ERC20Token.sol": { + "id": 52 + }, + "2.0.0/tokens/ERC20Token/IERC20Token.sol": { + "id": 53 + }, + "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": { + "id": 54 + }, + "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": { + "id": 55 + }, + "2.0.0/tokens/ERC721Token/ERC721Token.sol": { + "id": 56 + }, + "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": { + "id": 57 + }, + "2.0.0/tokens/ERC721Token/IERC721Token.sol": { + "id": 58 + }, + "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": { + "id": 59 + }, + "2.0.0/tokens/EtherToken/IEtherToken.sol": { + "id": 60 + }, + "2.0.0/utils/LibBytes/LibBytes.sol": { + "id": 61 + }, + "2.0.0/utils/Ownable/IOwnable.sol": { + "id": 62 + }, + "2.0.0/utils/Ownable/Ownable.sol": { + "id": 63 + }, + "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": { + "id": 64 + }, + "2.0.0/utils/SafeMath/SafeMath.sol": { + "id": 65 + } + }, + "sourceCodes": { + "2.0.0/extensions/Forwarder/Forwarder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinWeth.sol\";\nimport \"./MixinForwarderCore.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinAssets.sol\";\nimport \"./MixinExchangeWrapper.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Forwarder is\n LibConstants,\n MixinWeth,\n MixinAssets,\n MixinExchangeWrapper,\n MixinForwarderCore\n{\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n LibConstants(\n _exchange,\n _zrxAssetData,\n _wethAssetData\n )\n MixinForwarderCore()\n {}\n}\n", + "2.0.0/extensions/Forwarder/MixinAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MAssets.sol\";\n\n\ncontract MixinAssets is\n Ownable,\n LibConstants,\n MAssets\n{\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256(\"transfer(address,uint256)\"));\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external\n onlyOwner\n {\n transferAssetToSender(assetData, amount);\n }\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n bytes4 proxyId = assetData.readBytes4(0);\n\n if (proxyId == ERC20_DATA_ID) {\n transferERC20Token(assetData, amount);\n } else if (proxyId == ERC721_DATA_ID) {\n transferERC721Token(assetData, amount);\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n }\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n address token = assetData.readAddress(16);\n\n // Transfer tokens.\n // We do a raw call so we can check the success separate\n // from the return data.\n bool success = token.call(abi.encodeWithSelector(\n ERC20_TRANSFER_SELECTOR,\n msg.sender,\n amount\n ));\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n \n // Check return data.\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // value that evaluates to true.\n assembly {\n if returndatasize {\n success := 0\n if eq(returndatasize, 32) {\n // First 64 bytes of memory are reserved scratch space\n returndatacopy(0, 0, 32)\n success := mload(0)\n }\n }\n }\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n }\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n require(\n amount == 1,\n \"INVALID_AMOUNT\"\n );\n // Decode asset data.\n address token = assetData.readAddress(16);\n uint256 tokenId = assetData.readUint256(36);\n\n // Perform transfer.\n IERC721Token(token).transferFrom(\n address(this),\n msg.sender,\n tokenId\n );\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"../../protocol/Exchange/libs/LibAbiEncoder.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinExchangeWrapper is\n LibAbiEncoder,\n LibFillResults,\n LibMath,\n LibConstants,\n MExchangeWrapper\n{\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n address exchange = address(EXCHANGE);\n\n // Call `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := call(\n gas, // forward all gas\n exchange, // call address of Exchange contract\n 0, // transfer 0 wei\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of WETH to sell\n uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of WETH\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount;\n if (makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n\n require(\n makerAssetFilledAmount >= makerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n // Do nothing if zrxBuyAmount == 0\n if (zrxBuyAmount == 0) {\n return totalFillResults;\n }\n\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n uint256 zrxPurchased = 0;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // All of these are ZRX/WETH, so we can drop the respective assetData from calldata.\n orders[i].makerAssetData = zrxAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of ZRX to buy.\n uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased);\n\n // Convert the remaining amount of ZRX to buy into remaining amount\n // of WETH to sell, assuming entire amount can be sold in the current order.\n uint256 remainingWethSellAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees \n remainingZrxBuyAmount\n );\n\n // Attempt to sell the remaining amount of WETH.\n FillResults memory singleFillResult = fillOrderNoThrow(\n orders[i],\n safeAdd(remainingWethSellAmount, 1), // we add 1 wei to the fill amount to make up for rounding errors\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker.\n addFillResults(totalFillResults, singleFillResult);\n zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid);\n\n // Stop execution if the entire amount of ZRX has been bought.\n if (zrxPurchased >= zrxBuyAmount) {\n break;\n }\n }\n\n require(\n zrxPurchased >= zrxBuyAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\nimport \"./mixins/MAssets.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"./interfaces/IForwarderCore.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinForwarderCore is\n LibFillResults,\n LibMath,\n LibConstants,\n MWeth,\n MAssets,\n MExchangeWrapper,\n IForwarderCore\n{\n using LibBytes for bytes;\n\n /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf.\n constructor ()\n public\n {\n address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID);\n require(\n proxyAddress != address(0),\n \"UNREGISTERED_ASSET_PROXY\"\n );\n ETHER_TOKEN.approve(proxyAddress, MAX_UINT);\n ZRX_TOKEN.approve(proxyAddress, MAX_UINT);\n }\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 wethSellAmount;\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // Calculate amount of WETH that won't be spent on ETH fees.\n wethSellAmount = getPartialAmountFloor(\n PERCENTAGE_DENOMINATOR,\n safeAdd(PERCENTAGE_DENOMINATOR, feePercentage),\n msg.value\n );\n // Market sell available WETH.\n // ZRX fees are paid with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // 5% of WETH is reserved for filling feeOrders and paying feeRecipient.\n wethSellAmount = getPartialAmountFloor(\n MAX_WETH_FILL_PERCENTAGE,\n PERCENTAGE_DENOMINATOR,\n msg.value\n );\n // Market sell 95% of WETH.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // If the makerAsset is ZRX, it is not necessary to pay fees out of this\n // contracts's ZRX balance because fees are factored into the price of the order.\n orderFillResults = marketBuyExactZrxWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // Attemp to purchase desired amount of makerAsset.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketBuyExactAmountWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\n\n\ncontract MixinWeth is\n LibMath,\n LibConstants,\n MWeth\n{\n /// @dev Default payabale function, this allows us to withdraw WETH\n function ()\n public\n payable\n {\n require(\n msg.sender == address(ETHER_TOKEN),\n \"DEFAULT_FUNCTION_WETH_CONTRACT_ONLY\"\n );\n }\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal\n {\n require(\n msg.value > 0,\n \"INVALID_MSG_VALUE\"\n );\n ETHER_TOKEN.deposit.value(msg.value)();\n }\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal\n {\n // Ensure feePercentage is less than 5%.\n require(\n feePercentage <= MAX_FEE_PERCENTAGE,\n \"FEE_PERCENTAGE_TOO_LARGE\"\n );\n\n // Ensure that no extra WETH owned by this contract has been sold.\n uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx);\n require(\n wethSold <= msg.value,\n \"OVERSOLD_WETH\"\n );\n\n // Calculate amount of WETH that hasn't been sold.\n uint256 wethRemaining = safeSub(msg.value, wethSold);\n\n // Calculate ETH fee to pay to feeRecipient.\n uint256 ethFee = getPartialAmountFloor(\n feePercentage,\n PERCENTAGE_DENOMINATOR,\n wethSoldExcludingFeeOrders\n );\n\n // Ensure fee is less than amount of WETH remaining.\n require(\n ethFee <= wethRemaining,\n \"INSUFFICIENT_ETH_REMAINING\"\n );\n \n // Do nothing if no WETH remaining\n if (wethRemaining > 0) {\n // Convert remaining WETH to ETH\n ETHER_TOKEN.withdraw(wethRemaining);\n\n // Pay ETH to feeRecipient\n if (ethFee > 0) {\n feeRecipient.transfer(ethFee);\n }\n\n // Refund remaining ETH to msg.sender.\n uint256 ethRefund = safeSub(wethRemaining, ethFee);\n if (ethRefund > 0) {\n msg.sender.transfer(ethRefund);\n }\n }\n }\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssets {\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external;\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract IForwarderCore {\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n}\n", + "2.0.0/extensions/Forwarder/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/LibBytes/LibBytes.sol\";\nimport \"../../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../../tokens/EtherToken/IEtherToken.sol\";\nimport \"../../../tokens/ERC20Token/IERC20Token.sol\";\n\n\ncontract LibConstants {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n uint256 constant internal MAX_UINT = 2**256 - 1;\n uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; \n uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5%\n uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95%\n \n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n IEtherToken internal ETHER_TOKEN;\n IERC20Token internal ZRX_TOKEN;\n bytes internal ZRX_ASSET_DATA;\n bytes internal WETH_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n WETH_ASSET_DATA = _wethAssetData;\n\n address etherToken = _wethAssetData.readAddress(16);\n address zrxToken = _zrxAssetData.readAddress(16);\n ETHER_TOKEN = IEtherToken(etherToken);\n ZRX_TOKEN = IERC20Token(zrxToken);\n }\n}\n", + "2.0.0/extensions/Forwarder/mixins/MAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssets.sol\";\n\n\ncontract MAssets is\n IAssets\n{\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract MExchangeWrapper {\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n}\n", + "2.0.0/extensions/Forwarder/mixins/MWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract MWeth {\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal;\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal;\n}\n", + "2.0.0/extensions/OrderValidator/OrderValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract OrderValidator {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n struct TraderInfo {\n uint256 makerBalance; // Maker's balance of makerAsset\n uint256 makerAllowance; // Maker's allowance to corresponding AssetProxy\n uint256 takerBalance; // Taker's balance of takerAsset\n uint256 takerAllowance; // Taker's allowance to corresponding AssetProxy\n uint256 makerZrxBalance; // Maker's balance of ZRX\n uint256 makerZrxAllowance; // Maker's allowance of ZRX to ERC20Proxy\n uint256 takerZrxBalance; // Taker's balance of ZRX\n uint256 takerZrxAllowance; // Taker's allowance of ZRX to ERC20Proxy\n }\n\n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n bytes internal ZRX_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (address _exchange, bytes memory _zrxAssetData)\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n }\n\n /// @dev Fetches information for order and maker/taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return OrderInfo and TraderInfo instances for given order.\n function getOrderAndTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo, TraderInfo memory traderInfo)\n {\n orderInfo = EXCHANGE.getOrderInfo(order);\n traderInfo = getTraderInfo(order, takerAddress);\n return (orderInfo, traderInfo);\n }\n\n /// @dev Fetches information for all passed in orders and the makers/takers of each order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Arrays of OrderInfo and TraderInfo instances that correspond to each order.\n function getOrdersAndTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (LibOrder.OrderInfo[] memory ordersInfo, TraderInfo[] memory tradersInfo)\n {\n ordersInfo = EXCHANGE.getOrdersInfo(orders);\n tradersInfo = getTradersInfo(orders, takerAddresses);\n return (ordersInfo, tradersInfo);\n }\n\n /// @dev Fetches balance and allowances for maker and taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return Balances and allowances of maker and taker of order.\n function getTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (TraderInfo memory traderInfo)\n {\n (traderInfo.makerBalance, traderInfo.makerAllowance) = getBalanceAndAllowance(order.makerAddress, order.makerAssetData);\n (traderInfo.takerBalance, traderInfo.takerAllowance) = getBalanceAndAllowance(takerAddress, order.takerAssetData);\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n (traderInfo.makerZrxBalance, traderInfo.makerZrxAllowance) = getBalanceAndAllowance(order.makerAddress, zrxAssetData);\n (traderInfo.takerZrxBalance, traderInfo.takerZrxAllowance) = getBalanceAndAllowance(takerAddress, zrxAssetData);\n return traderInfo;\n }\n\n /// @dev Fetches balances and allowances of maker and taker for each provided order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Array of balances and allowances for maker and taker of each order.\n function getTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (TraderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n TraderInfo[] memory tradersInfo = new TraderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n tradersInfo[i] = getTraderInfo(orders[i], takerAddresses[i]);\n }\n return tradersInfo;\n }\n\n /// @dev Fetches token balances and allowances of an address to given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Encoded data that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balance of asset and allowance set to given proxy of asset.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalanceAndAllowance(address target, bytes memory assetData)\n public\n view\n returns (uint256 balance, uint256 allowance)\n {\n bytes4 assetProxyId = assetData.readBytes4(0);\n address token = assetData.readAddress(16);\n address assetProxy = EXCHANGE.getAssetProxy(assetProxyId);\n\n if (assetProxyId == ERC20_DATA_ID) {\n // Query balance\n balance = IERC20Token(token).balanceOf(target);\n\n // Query allowance\n allowance = IERC20Token(token).allowance(target, assetProxy);\n } else if (assetProxyId == ERC721_DATA_ID) {\n uint256 tokenId = assetData.readUint256(36);\n\n // Query owner of tokenId\n address owner = getERC721TokenOwner(token, tokenId);\n\n // Set balance to 1 if tokenId is owned by target\n balance = target == owner ? 1 : 0;\n\n // Check if ERC721Proxy is approved to spend tokenId\n bool isApproved = IERC721Token(token).isApprovedForAll(target, assetProxy) || IERC721Token(token).getApproved(tokenId) == assetProxy;\n \n // Set alowance to 1 if ERC721Proxy is approved to spend tokenId\n allowance = isApproved ? 1 : 0;\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n return (balance, allowance);\n }\n\n /// @dev Fetches token balances and allowances of an address for each given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Array of encoded byte arrays that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balances and allowances of assets.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalancesAndAllowances(address target, bytes[] memory assetData)\n public\n view\n returns (uint256[] memory, uint256[] memory)\n {\n uint256 length = assetData.length;\n uint256[] memory balances = new uint256[](length);\n uint256[] memory allowances = new uint256[](length);\n for (uint256 i = 0; i != length; i++) {\n (balances[i], allowances[i]) = getBalanceAndAllowance(target, assetData[i]);\n }\n return (balances, allowances);\n }\n\n /// @dev Calls `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token.\n /// @param token Address of ERC721 token.\n /// @param tokenId The identifier for the specific NFT.\n /// @return Owner of tokenId or null address if unowned.\n function getERC721TokenOwner(address token, uint256 tokenId)\n public\n view\n returns (address owner)\n {\n assembly {\n // load free memory pointer\n let cdStart := mload(64)\n\n // bytes4(keccak256(ownerOf(uint256))) = 0x6352211e\n mstore(cdStart, 0x6352211e00000000000000000000000000000000000000000000000000000000)\n mstore(add(cdStart, 4), tokenId)\n\n // staticcall `ownerOf(tokenId)`\n // `ownerOf` will revert if tokenId is not owned\n let success := staticcall(\n gas, // forward all gas\n token, // call token contract\n cdStart, // start of calldata\n 36, // length of input is 36 bytes\n cdStart, // write output over input\n 32 // size of output is 32 bytes\n )\n\n // Success implies that tokenId is owned\n // Copy owner from return data if successful\n if success {\n owner := mload(cdStart)\n } \n }\n\n // Owner initialized to address(0), no need to modify if call is unsuccessful\n return owner;\n }\n}\n", + "2.0.0/multisig/MultiSigWallet.sol": "// solhint-disable\npragma solidity ^0.4.15;\n\n\n/// @title Multisignature wallet - Allows multiple parties to agree on transactions before execution.\n/// @author Stefan George - \ncontract MultiSigWallet {\n\n /*\n * Events\n */\n event Confirmation(address indexed sender, uint indexed transactionId);\n event Revocation(address indexed sender, uint indexed transactionId);\n event Submission(uint indexed transactionId);\n event Execution(uint indexed transactionId);\n event ExecutionFailure(uint indexed transactionId);\n event Deposit(address indexed sender, uint value);\n event OwnerAddition(address indexed owner);\n event OwnerRemoval(address indexed owner);\n event RequirementChange(uint required);\n\n /*\n * Constants\n */\n uint constant public MAX_OWNER_COUNT = 50;\n\n /*\n * Storage\n */\n mapping (uint => Transaction) public transactions;\n mapping (uint => mapping (address => bool)) public confirmations;\n mapping (address => bool) public isOwner;\n address[] public owners;\n uint public required;\n uint public transactionCount;\n\n struct Transaction {\n address destination;\n uint value;\n bytes data;\n bool executed;\n }\n\n /*\n * Modifiers\n */\n modifier onlyWallet() {\n require(msg.sender == address(this));\n _;\n }\n\n modifier ownerDoesNotExist(address owner) {\n require(!isOwner[owner]);\n _;\n }\n\n modifier ownerExists(address owner) {\n require(isOwner[owner]);\n _;\n }\n\n modifier transactionExists(uint transactionId) {\n require(transactions[transactionId].destination != 0);\n _;\n }\n\n modifier confirmed(uint transactionId, address owner) {\n require(confirmations[transactionId][owner]);\n _;\n }\n\n modifier notConfirmed(uint transactionId, address owner) {\n require(!confirmations[transactionId][owner]);\n _;\n }\n\n modifier notExecuted(uint transactionId) {\n require(!transactions[transactionId].executed);\n _;\n }\n\n modifier notNull(address _address) {\n require(_address != 0);\n _;\n }\n\n modifier validRequirement(uint ownerCount, uint _required) {\n require(ownerCount <= MAX_OWNER_COUNT\n && _required <= ownerCount\n && _required != 0\n && ownerCount != 0);\n _;\n }\n\n /// @dev Fallback function allows to deposit ether.\n function()\n payable\n {\n if (msg.value > 0)\n Deposit(msg.sender, msg.value);\n }\n\n /*\n * Public functions\n */\n /// @dev Contract constructor sets initial owners and required number of confirmations.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n function MultiSigWallet(address[] _owners, uint _required)\n public\n validRequirement(_owners.length, _required)\n {\n for (uint i=0; i<_owners.length; i++) {\n require(!isOwner[_owners[i]] && _owners[i] != 0);\n isOwner[_owners[i]] = true;\n }\n owners = _owners;\n required = _required;\n }\n\n /// @dev Allows to add a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of new owner.\n function addOwner(address owner)\n public\n onlyWallet\n ownerDoesNotExist(owner)\n notNull(owner)\n validRequirement(owners.length + 1, required)\n {\n isOwner[owner] = true;\n owners.push(owner);\n OwnerAddition(owner);\n }\n\n /// @dev Allows to remove an owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner.\n function removeOwner(address owner)\n public\n onlyWallet\n ownerExists(owner)\n {\n isOwner[owner] = false;\n for (uint i=0; i owners.length)\n changeRequirement(owners.length);\n OwnerRemoval(owner);\n }\n\n /// @dev Allows to replace an owner with a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner to be replaced.\n /// @param newOwner Address of new owner.\n function replaceOwner(address owner, address newOwner)\n public\n onlyWallet\n ownerExists(owner)\n ownerDoesNotExist(newOwner)\n {\n for (uint i=0; i\n// solhint-disable not-rely-on-time\ncontract MultiSigWalletWithTimeLock is\n MultiSigWallet\n{\n event ConfirmationTimeSet(uint256 indexed transactionId, uint256 confirmationTime);\n event TimeLockChange(uint256 secondsTimeLocked);\n\n uint256 public secondsTimeLocked;\n\n mapping (uint256 => uint256) public confirmationTimes;\n\n modifier notFullyConfirmed(uint256 transactionId) {\n require(\n !isConfirmed(transactionId),\n \"TX_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier fullyConfirmed(uint256 transactionId) {\n require(\n isConfirmed(transactionId),\n \"TX_NOT_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier pastTimeLock(uint256 transactionId) {\n require(\n block.timestamp >= confirmationTimes[transactionId] + secondsTimeLocked,\n \"TIME_LOCK_INCOMPLETE\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations, and time lock.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] _owners,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWallet(_owners, _required)\n {\n secondsTimeLocked = _secondsTimeLocked;\n }\n\n /// @dev Changes the duration of the time lock for transactions.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n function changeTimeLock(uint256 _secondsTimeLocked)\n public\n onlyWallet\n {\n secondsTimeLocked = _secondsTimeLocked;\n emit TimeLockChange(_secondsTimeLocked);\n }\n\n /// @dev Allows an owner to confirm a transaction.\n /// @param transactionId Transaction ID.\n function confirmTransaction(uint256 transactionId)\n public\n ownerExists(msg.sender)\n transactionExists(transactionId)\n notConfirmed(transactionId, msg.sender)\n notFullyConfirmed(transactionId)\n {\n confirmations[transactionId][msg.sender] = true;\n emit Confirmation(msg.sender, transactionId);\n if (isConfirmed(transactionId)) {\n setConfirmationTime(transactionId, block.timestamp);\n }\n }\n\n /// @dev Allows anyone to execute a confirmed transaction.\n /// @param transactionId Transaction ID.\n function executeTransaction(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n pastTimeLock(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n\n /// @dev Sets the time of when a submission first passed.\n function setConfirmationTime(uint256 transactionId, uint256 confirmationTime)\n internal\n {\n confirmationTimes[transactionId] = confirmationTime;\n emit ConfirmationTimeSet(transactionId, confirmationTime);\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC20Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n \n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 1 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n\n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. amount |\n\n /////// Read token address from calldata ///////\n // * The token address is stored in `assetData`.\n //\n // * The \"offset to assetData\" is stored at offset 4 in the calldata (table 1).\n // [assetDataOffsetFromParams = calldataload(4)]\n //\n // * Notes that the \"offset to assetData\" is relative to the \"Params\" area of calldata;\n // add 4 bytes to account for the length of the \"Header\" area (table 1).\n // [assetDataOffsetFromHeader = assetDataOffsetFromParams + 4]\n //\n // * The \"token address\" is offset 32+4=36 bytes into \"assetData\" (tables 1 & 2).\n // [tokenOffset = assetDataOffsetFromHeader + 36 = calldataload(4) + 4 + 36]\n let token := calldataload(add(calldataload(4), 40))\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from`, `to` and `amount` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 96)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output over input\n 32 // output size should be 32 bytes\n )\n\n /////// Check return data. ///////\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // nonzero 32 bytes value.\n // So the transfer succeeded if the call succeeded and either\n // returned nothing, or returned a non-zero 32 byte value. \n success := and(success, or(\n iszero(returndatasize),\n and(\n eq(returndatasize, 32),\n gt(mload(0), 0)\n )\n ))\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC721Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 2 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n // | | 36 | | 2. tokenId |\n \n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. tokenId |\n\n // There exists only 1 of each token.\n // require(amount == 1, \"INVALID_AMOUNT\")\n if sub(calldataload(100), 1) {\n // Revert with `Error(\"INVALID_AMOUNT\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from` and `to` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 64)\n\n // Copy `tokenId` field from our own calldata to the new calldata.\n let assetDataOffset := calldataload(4)\n calldatacopy(68, add(assetDataOffset, 72), 32)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let token := calldataload(add(assetDataOffset, 40))\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output to null\n 0 // output size is 0 bytes\n )\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAuthorizable.sol\";\n\n\ncontract MixinAuthorizable is\n Ownable,\n MAuthorizable\n{\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized {\n require(\n authorized[msg.sender],\n \"SENDER_NOT_AUTHORIZED\"\n );\n _;\n }\n\n mapping (address => bool) public authorized;\n address[] public authorities;\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n !authorized[target],\n \"TARGET_ALREADY_AUTHORIZED\"\n );\n\n authorized[target] = true;\n authorities.push(target);\n emit AuthorizedAddressAdded(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n\n delete authorized[target];\n for (uint256 i = 0; i < authorities.length; i++) {\n if (authorities[i] == target) {\n authorities[i] = authorities[authorities.length - 1];\n authorities.length -= 1;\n break;\n }\n }\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n require(\n index < authorities.length,\n \"INDEX_OUT_OF_BOUNDS\"\n );\n require(\n authorities[index] == target,\n \"AUTHORIZED_ADDRESS_MISMATCH\"\n );\n\n delete authorized[target];\n authorities[index] = authorities[authorities.length - 1];\n authorities.length -= 1;\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory)\n {\n return authorities;\n }\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IAuthorizable.sol\";\n\n\ncontract IAssetProxy is\n IAuthorizable\n{\n /// @dev Transfers assets. Either succeeds or throws.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n function transferFrom(\n bytes assetData,\n address from,\n address to,\n uint256 amount\n )\n external;\n \n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4);\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/Ownable/IOwnable.sol\";\n\n\ncontract IAuthorizable is\n IOwnable\n{\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external;\n \n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory);\n}\n", + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAuthorizable.sol\";\n\n\ncontract MAuthorizable is\n IAuthorizable\n{\n // Event logged when a new address is authorized.\n event AuthorizedAddressAdded(\n address indexed target,\n address indexed caller\n );\n\n // Event logged when a currently authorized address is unauthorized.\n event AuthorizedAddressRemoved(\n address indexed target,\n address indexed caller\n );\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized { revert(); _; }\n}\n", + "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../multisig/MultiSigWalletWithTimeLock.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract AssetProxyOwner is\n MultiSigWalletWithTimeLock\n{\n using LibBytes for bytes;\n\n event AssetProxyRegistration(address assetProxyContract, bool isRegistered);\n\n // Mapping of AssetProxy contract address =>\n // if this contract is allowed to call the AssetProxy's `removeAuthorizedAddressAtIndex` method without a time lock.\n mapping (address => bool) public isAssetProxyRegistered;\n\n bytes4 constant internal REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR = bytes4(keccak256(\"removeAuthorizedAddressAtIndex(address,uint256)\"));\n\n /// @dev Function will revert if the transaction does not call `removeAuthorizedAddressAtIndex`\n /// on an approved AssetProxy contract.\n modifier validRemoveAuthorizedAddressAtIndexTx(uint256 transactionId) {\n Transaction storage txn = transactions[transactionId];\n require(\n isAssetProxyRegistered[txn.destination],\n \"UNREGISTERED_ASSET_PROXY\"\n );\n require(\n txn.data.readBytes4(0) == REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR,\n \"INVALID_FUNCTION_SELECTOR\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations,\n /// time lock, and list of AssetProxy addresses.\n /// @param _owners List of initial owners.\n /// @param _assetProxyContracts Array of AssetProxy contract addresses.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] memory _owners,\n address[] memory _assetProxyContracts,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWalletWithTimeLock(_owners, _required, _secondsTimeLocked)\n {\n for (uint256 i = 0; i < _assetProxyContracts.length; i++) {\n address assetProxy = _assetProxyContracts[i];\n require(\n assetProxy != address(0),\n \"INVALID_ASSET_PROXY\"\n );\n isAssetProxyRegistered[assetProxy] = true;\n }\n }\n\n /// @dev Registers or deregisters an AssetProxy to be able to execute\n /// `removeAuthorizedAddressAtIndex` without a timelock.\n /// @param assetProxyContract Address of AssetProxy contract.\n /// @param isRegistered Status of approval for AssetProxy contract.\n function registerAssetProxy(address assetProxyContract, bool isRegistered)\n public\n onlyWallet\n notNull(assetProxyContract)\n {\n isAssetProxyRegistered[assetProxyContract] = isRegistered;\n emit AssetProxyRegistration(assetProxyContract, isRegistered);\n }\n\n /// @dev Allows execution of `removeAuthorizedAddressAtIndex` without time lock.\n /// @param transactionId Transaction ID.\n function executeRemoveAuthorizedAddressAtIndex(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n validRemoveAuthorizedAddressAtIndexTx(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n}\n", + "2.0.0/protocol/Exchange/Exchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinExchangeCore.sol\";\nimport \"./MixinSignatureValidator.sol\";\nimport \"./MixinWrapperFunctions.sol\";\nimport \"./MixinAssetProxyDispatcher.sol\";\nimport \"./MixinTransactions.sol\";\nimport \"./MixinMatchOrders.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Exchange is\n MixinExchangeCore,\n MixinMatchOrders,\n MixinSignatureValidator,\n MixinTransactions,\n MixinAssetProxyDispatcher,\n MixinWrapperFunctions\n{\n string constant public VERSION = \"2.0.1-alpha\";\n\n // Mixins are instantiated in the order they are inherited\n constructor (bytes memory _zrxAssetData)\n public\n LibConstants(_zrxAssetData) // @TODO: Remove when we deploy.\n MixinExchangeCore()\n MixinMatchOrders()\n MixinSignatureValidator()\n MixinTransactions()\n MixinAssetProxyDispatcher()\n MixinWrapperFunctions()\n {}\n}\n", + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\nimport \"../AssetProxy/interfaces/IAssetProxy.sol\";\n\n\ncontract MixinAssetProxyDispatcher is\n Ownable,\n MAssetProxyDispatcher\n{\n // Mapping from Asset Proxy Id's to their respective Asset Proxy\n mapping (bytes4 => IAssetProxy) public assetProxies;\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external\n onlyOwner\n {\n IAssetProxy assetProxyContract = IAssetProxy(assetProxy);\n\n // Ensure that no asset proxy exists with current id.\n bytes4 assetProxyId = assetProxyContract.getProxyId();\n address currentAssetProxy = assetProxies[assetProxyId];\n require(\n currentAssetProxy == address(0),\n \"ASSET_PROXY_ALREADY_EXISTS\"\n );\n\n // Add asset proxy and log registration.\n assetProxies[assetProxyId] = assetProxyContract;\n emit AssetProxyRegistered(\n assetProxyId,\n assetProxy\n );\n }\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address)\n {\n return assetProxies[assetProxyId];\n }\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal\n {\n // Do nothing if no amount should be transferred.\n if (amount > 0 && from != to) {\n // Ensure assetData length is valid\n require(\n assetData.length > 3,\n \"LENGTH_GREATER_THAN_3_REQUIRED\"\n );\n \n // Lookup assetProxy. We do not use `LibBytes.readBytes4` for gas efficiency reasons.\n bytes4 assetProxyId;\n assembly {\n assetProxyId := and(mload(\n add(assetData, 32)),\n 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000\n )\n }\n address assetProxy = assetProxies[assetProxyId];\n\n // Ensure that assetProxy exists\n require(\n assetProxy != address(0),\n \"ASSET_PROXY_DOES_NOT_EXIST\"\n );\n \n // We construct calldata for the `assetProxy.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n\n assembly {\n /////// Setup State ///////\n // `cdStart` is the start of the calldata for `assetProxy.transferFrom` (equal to free memory ptr).\n let cdStart := mload(64)\n // `dataAreaLength` is the total number of words needed to store `assetData`\n // As-per the ABI spec, this value is padded up to the nearest multiple of 32,\n // and includes 32-bytes for length.\n let dataAreaLength := and(add(mload(assetData), 63), 0xFFFFFFFFFFFE0)\n // `cdEnd` is the end of the calldata for `assetProxy.transferFrom`.\n let cdEnd := add(cdStart, add(132, dataAreaLength))\n\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFromSelector`.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes.\n // Notes:\n // 1. The offset to `assetData` is the length of the Params Area (128 bytes).\n // 2. A 20-byte mask is applied to addresses to zero-out the unused bytes.\n mstore(add(cdStart, 4), 128)\n mstore(add(cdStart, 36), and(from, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 68), and(to, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 100), amount)\n \n /////// Setup Data Area ///////\n // This area holds `assetData`.\n let dataArea := add(cdStart, 132)\n // solhint-disable-next-line no-empty-blocks\n for {} lt(dataArea, cdEnd) {} {\n mstore(dataArea, mload(assetData))\n dataArea := add(dataArea, 32)\n assetData := add(assetData, 32)\n }\n\n /////// Call `assetProxy.transferFrom` using the constructed calldata ///////\n let success := call(\n gas, // forward all gas\n assetProxy, // call address of asset proxy\n 0, // don't send any ETH\n cdStart, // pointer to start of input\n sub(cdEnd, cdStart), // length of input \n cdStart, // write output over input\n 512 // reserve 512 bytes for output\n )\n if iszero(success) {\n revert(cdStart, returndatasize())\n }\n }\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinExchangeCore is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n LibOrder,\n LibFillResults,\n MAssetProxyDispatcher,\n MExchangeCore,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of orderHash => amount of takerAsset already bought by maker\n mapping (bytes32 => uint256) public filled;\n\n // Mapping of orderHash => cancelled\n mapping (bytes32 => bool) public cancelled;\n\n // Mapping of makerAddress => senderAddress => lowest salt an order can have in order to be fillable\n // Orders with specified senderAddress and with a salt less than their epoch are considered cancelled\n mapping (address => mapping (address => uint256)) public orderEpoch;\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external\n nonReentrant\n {\n address makerAddress = getCurrentContextAddress();\n // If this function is called via `executeTransaction`, we only update the orderEpoch for the makerAddress/msg.sender combination.\n // This allows external filter contracts to add rules to how orders are cancelled via this function.\n address senderAddress = makerAddress == msg.sender ? address(0) : msg.sender;\n\n // orderEpoch is initialized to 0, so to cancelUpTo we need salt + 1\n uint256 newOrderEpoch = targetOrderEpoch + 1; \n uint256 oldOrderEpoch = orderEpoch[makerAddress][senderAddress];\n\n // Ensure orderEpoch is monotonically increasing\n require(\n newOrderEpoch > oldOrderEpoch, \n \"INVALID_NEW_ORDER_EPOCH\"\n );\n\n // Update orderEpoch\n orderEpoch[makerAddress][senderAddress] = newOrderEpoch;\n emit CancelUpTo(\n makerAddress,\n senderAddress,\n newOrderEpoch\n );\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrder(Order memory order)\n public\n nonReentrant\n {\n cancelOrderInternal(order);\n }\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(Order memory order)\n public\n view\n returns (OrderInfo memory orderInfo)\n {\n // Compute the order hash\n orderInfo.orderHash = getOrderHash(order);\n\n // Fetch filled amount\n orderInfo.orderTakerAssetFilledAmount = filled[orderInfo.orderHash];\n\n // If order.makerAssetAmount is zero, we also reject the order.\n // While the Exchange contract handles them correctly, they create\n // edge cases in the supporting infrastructure because they have\n // an 'infinite' price when computed by a simple division.\n if (order.makerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_MAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // If order.takerAssetAmount is zero, then the order will always\n // be considered filled because 0 == takerAssetAmount == orderTakerAssetFilledAmount\n // Instead of distinguishing between unfilled and filled zero taker\n // amount orders, we choose not to support them.\n if (order.takerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_TAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // Validate order availability\n if (orderInfo.orderTakerAssetFilledAmount >= order.takerAssetAmount) {\n orderInfo.orderStatus = uint8(OrderStatus.FULLY_FILLED);\n return orderInfo;\n }\n\n // Validate order expiration\n // solhint-disable-next-line not-rely-on-time\n if (block.timestamp >= order.expirationTimeSeconds) {\n orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);\n return orderInfo;\n }\n\n // Check if order has been cancelled\n if (cancelled[orderInfo.orderHash]) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n if (orderEpoch[order.makerAddress][order.senderAddress] > order.salt) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n\n // All other statuses are ruled out: order is Fillable\n orderInfo.orderStatus = uint8(OrderStatus.FILLABLE);\n return orderInfo;\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // Fetch order info\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Assert that the order is fillable by taker\n assertFillableOrder(\n order,\n orderInfo,\n takerAddress,\n signature\n );\n \n // Get amount of takerAsset to fill\n uint256 remainingTakerAssetAmount = safeSub(order.takerAssetAmount, orderInfo.orderTakerAssetFilledAmount);\n uint256 takerAssetFilledAmount = min256(takerAssetFillAmount, remainingTakerAssetAmount);\n\n // Validate context\n assertValidFill(\n order,\n orderInfo,\n takerAssetFillAmount,\n takerAssetFilledAmount,\n fillResults.makerAssetFilledAmount\n );\n\n // Compute proportional fill amounts\n fillResults = calculateFillResults(order, takerAssetFilledAmount);\n\n // Update exchange internal state\n updateFilledState(\n order,\n takerAddress,\n orderInfo.orderHash,\n orderInfo.orderTakerAssetFilledAmount,\n fillResults\n );\n \n // Settle order\n settleOrder(\n order,\n takerAddress,\n fillResults\n );\n\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrderInternal(Order memory order)\n internal\n {\n // Fetch current order status\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Validate context\n assertValidCancel(order, orderInfo);\n\n // Perform cancel\n updateCancelledState(order, orderInfo.orderHash);\n }\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n function updateFilledState(\n Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n FillResults memory fillResults\n )\n internal\n {\n // Update state\n filled[orderHash] = safeAdd(orderTakerAssetFilledAmount, fillResults.takerAssetFilledAmount);\n\n // Log order\n emit Fill(\n order.makerAddress,\n order.feeRecipientAddress,\n takerAddress,\n msg.sender,\n fillResults.makerAssetFilledAmount,\n fillResults.takerAssetFilledAmount,\n fillResults.makerFeePaid,\n fillResults.takerFeePaid,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n Order memory order,\n bytes32 orderHash\n )\n internal\n {\n // Perform cancel\n cancelled[orderHash] = true;\n\n // Log cancel\n emit Cancel(\n order.makerAddress,\n order.feeRecipientAddress,\n msg.sender,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n Order memory order,\n OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view\n {\n // An order can only be filled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n \n // Validate sender is allowed to fill this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n \n // Validate taker is allowed to fill this order\n if (order.takerAddress != address(0)) {\n require(\n order.takerAddress == takerAddress,\n \"INVALID_TAKER\"\n );\n }\n \n // Validate Maker signature (check only if first time seen)\n if (orderInfo.orderTakerAssetFilledAmount == 0) {\n require(\n isValidSignature(\n orderInfo.orderHash,\n order.makerAddress,\n signature\n ),\n \"INVALID_ORDER_SIGNATURE\"\n );\n }\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n Order memory order,\n OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount, // TODO: use FillResults\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view\n {\n // Revert if fill amount is invalid\n // TODO: reconsider necessity for v2.1\n require(\n takerAssetFillAmount != 0,\n \"INVALID_TAKER_AMOUNT\"\n );\n \n // Make sure taker does not pay more than desired amount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n takerAssetFilledAmount <= takerAssetFillAmount,\n \"TAKER_OVERPAY\"\n );\n \n // Make sure order is not overfilled\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeAdd(orderInfo.orderTakerAssetFilledAmount, takerAssetFilledAmount) <= order.takerAssetAmount,\n \"ORDER_OVERFILL\"\n );\n \n // Make sure order is filled at acceptable price.\n // The order has an implied price from the makers perspective:\n // order price = order.makerAssetAmount / order.takerAssetAmount\n // i.e. the number of makerAsset maker is paying per takerAsset. The\n // maker is guaranteed to get this price or a better (lower) one. The\n // actual price maker is getting in this fill is:\n // fill price = makerAssetFilledAmount / takerAssetFilledAmount\n // We need `fill price <= order price` for the fill to be fair to maker.\n // This amounts to:\n // makerAssetFilledAmount order.makerAssetAmount\n // ------------------------ <= -----------------------\n // takerAssetFilledAmount order.takerAssetAmount\n // or, equivalently:\n // makerAssetFilledAmount * order.takerAssetAmount <=\n // order.makerAssetAmount * takerAssetFilledAmount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeMul(makerAssetFilledAmount, order.takerAssetAmount)\n <= \n safeMul(order.makerAssetAmount, takerAssetFilledAmount),\n \"INVALID_FILL_PRICE\"\n );\n }\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n Order memory order,\n OrderInfo memory orderInfo\n )\n internal\n view\n {\n // Ensure order is valid\n // An order can only be cancelled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Validate sender is allowed to cancel this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate transaction signed by maker\n address makerAddress = getCurrentContextAddress();\n require(\n order.makerAddress == makerAddress,\n \"INVALID_MAKER\"\n );\n }\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (FillResults memory fillResults)\n {\n // Compute proportional transfer amounts\n fillResults.takerAssetFilledAmount = takerAssetFilledAmount;\n fillResults.makerAssetFilledAmount = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n );\n fillResults.makerFeePaid = safeGetPartialAmountFloor(\n fillResults.makerAssetFilledAmount,\n order.makerAssetAmount,\n order.makerFee\n );\n fillResults.takerFeePaid = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.takerFee\n );\n\n return fillResults;\n }\n\n /// @dev Settles an order by transferring assets between counterparties.\n /// @param order Order struct containing order specifications.\n /// @param takerAddress Address selling takerAsset and buying makerAsset.\n /// @param fillResults Amounts to be filled and fees paid by maker and taker.\n function settleOrder(\n LibOrder.Order memory order,\n address takerAddress,\n LibFillResults.FillResults memory fillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n dispatchTransferFrom(\n order.makerAssetData,\n order.makerAddress,\n takerAddress,\n fillResults.makerAssetFilledAmount\n );\n dispatchTransferFrom(\n order.takerAssetData,\n takerAddress,\n order.makerAddress,\n fillResults.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n zrxAssetData,\n order.makerAddress,\n order.feeRecipientAddress,\n fillResults.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n order.feeRecipientAddress,\n fillResults.takerFeePaid\n );\n }\n}\n", + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": "/*\n Copyright 2018 ZeroEx Intl.\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n http://www.apache.org/licenses/LICENSE-2.0\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MMatchOrders.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinMatchOrders is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n MAssetProxyDispatcher,\n MExchangeCore,\n MMatchOrders,\n MTransactions\n{\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n nonReentrant\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We assume that rightOrder.takerAssetData == leftOrder.makerAssetData and rightOrder.makerAssetData == leftOrder.takerAssetData.\n // If this assumption isn't true, the match will fail at signature validation.\n rightOrder.makerAssetData = leftOrder.takerAssetData;\n rightOrder.takerAssetData = leftOrder.makerAssetData;\n\n // Get left & right order info\n LibOrder.OrderInfo memory leftOrderInfo = getOrderInfo(leftOrder);\n LibOrder.OrderInfo memory rightOrderInfo = getOrderInfo(rightOrder);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Either our context is valid or we revert\n assertFillableOrder(\n leftOrder,\n leftOrderInfo,\n takerAddress,\n leftSignature\n );\n assertFillableOrder(\n rightOrder,\n rightOrderInfo,\n takerAddress,\n rightSignature\n );\n assertValidMatch(leftOrder, rightOrder);\n\n // Compute proportional fill amounts\n matchedFillResults = calculateMatchedFillResults(\n leftOrder,\n rightOrder,\n leftOrderInfo.orderTakerAssetFilledAmount,\n rightOrderInfo.orderTakerAssetFilledAmount\n );\n\n // Validate fill contexts\n assertValidFill(\n leftOrder,\n leftOrderInfo,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.makerAssetFilledAmount\n );\n assertValidFill(\n rightOrder,\n rightOrderInfo,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n \n // Update exchange state\n updateFilledState(\n leftOrder,\n takerAddress,\n leftOrderInfo.orderHash,\n leftOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.left\n );\n updateFilledState(\n rightOrder,\n takerAddress,\n rightOrderInfo.orderHash,\n rightOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.right\n );\n\n // Settle matched orders. Succeeds or throws.\n settleMatchedOrders(\n leftOrder,\n rightOrder,\n takerAddress,\n matchedFillResults\n );\n\n return matchedFillResults;\n }\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure\n {\n // Make sure there is a profitable spread.\n // There is a profitable spread iff the cost per unit bought (OrderA.MakerAmount/OrderA.TakerAmount) for each order is greater\n // than the profit per unit sold of the matched order (OrderB.TakerAmount/OrderB.MakerAmount).\n // This is satisfied by the equations below:\n // / >= / \n // AND\n // / >= / \n // These equations can be combined to get the following:\n require(\n safeMul(leftOrder.makerAssetAmount, rightOrder.makerAssetAmount) >=\n safeMul(leftOrder.takerAssetAmount, rightOrder.takerAssetAmount),\n \"NEGATIVE_SPREAD_REQUIRED\"\n );\n }\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // Derive maker asset amounts for left & right orders, given store taker assert amounts\n uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);\n uint256 leftMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n leftTakerAssetAmountRemaining\n );\n uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);\n uint256 rightMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n rightOrder.makerAssetAmount,\n rightOrder.takerAssetAmount,\n rightTakerAssetAmountRemaining\n );\n\n // Calculate fill results for maker and taker assets: at least one order will be fully filled.\n // The maximum amount the left maker can buy is `leftTakerAssetAmountRemaining`\n // The maximum amount the right maker can sell is `rightMakerAssetAmountRemaining`\n // We have two distinct cases for calculating the fill results:\n // Case 1.\n // If the left maker can buy more than the right maker can sell, then only the right order is fully filled.\n // If the left maker can buy exactly what the right maker can sell, then both orders are fully filled.\n // Case 2.\n // If the left maker cannot buy more than the right maker can sell, then only the left order is fully filled.\n if (leftTakerAssetAmountRemaining >= rightMakerAssetAmountRemaining) {\n // Case 1: Right order is fully filled\n matchedFillResults.right.makerAssetFilledAmount = rightMakerAssetAmountRemaining;\n matchedFillResults.right.takerAssetFilledAmount = rightTakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = matchedFillResults.right.makerAssetFilledAmount;\n // Round down to ensure the maker's exchange rate does not exceed the price specified by the order. \n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.left.makerAssetFilledAmount = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n matchedFillResults.left.takerAssetFilledAmount\n );\n } else {\n // Case 2: Left order is fully filled\n matchedFillResults.left.makerAssetFilledAmount = leftMakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = leftTakerAssetAmountRemaining;\n matchedFillResults.right.makerAssetFilledAmount = matchedFillResults.left.takerAssetFilledAmount;\n // Round up to ensure the maker's exchange rate does not exceed the price specified by the order.\n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.right.takerAssetFilledAmount = safeGetPartialAmountCeil(\n rightOrder.takerAssetAmount,\n rightOrder.makerAssetAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n }\n\n // Calculate amount given to taker\n matchedFillResults.leftMakerAssetSpreadAmount = safeSub(\n matchedFillResults.left.makerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount\n );\n\n // Compute fees for left order\n matchedFillResults.left.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.makerAssetFilledAmount,\n leftOrder.makerAssetAmount,\n leftOrder.makerFee\n );\n matchedFillResults.left.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.takerAssetFilledAmount,\n leftOrder.takerAssetAmount,\n leftOrder.takerFee\n );\n\n // Compute fees for right order\n matchedFillResults.right.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.makerAssetFilledAmount,\n rightOrder.makerAssetAmount,\n rightOrder.makerFee\n );\n matchedFillResults.right.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.takerAssetFilledAmount,\n rightOrder.takerAssetAmount,\n rightOrder.takerFee\n );\n\n // Return fill results\n return matchedFillResults;\n }\n\n /// @dev Settles matched order by transferring appropriate funds between order makers, taker, and fee recipient.\n /// @param leftOrder First matched order.\n /// @param rightOrder Second matched order.\n /// @param takerAddress Address that matched the orders. The taker receives the spread between orders as profit.\n /// @param matchedFillResults Struct holding amounts to transfer between makers, taker, and fee recipients.\n function settleMatchedOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n address takerAddress,\n LibFillResults.MatchedFillResults memory matchedFillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n // Order makers and taker\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n rightOrder.makerAddress,\n matchedFillResults.right.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n rightOrder.makerAssetData,\n rightOrder.makerAddress,\n leftOrder.makerAddress,\n matchedFillResults.left.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n takerAddress,\n matchedFillResults.leftMakerAssetSpreadAmount\n );\n\n // Maker fees\n dispatchTransferFrom(\n zrxAssetData,\n leftOrder.makerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n rightOrder.makerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.makerFeePaid\n );\n\n // Taker fees\n if (leftOrder.feeRecipientAddress == rightOrder.feeRecipientAddress) {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n safeAdd(\n matchedFillResults.left.takerFeePaid,\n matchedFillResults.right.takerFeePaid\n )\n );\n } else {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.takerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.takerFeePaid\n );\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./interfaces/IWallet.sol\";\nimport \"./interfaces/IValidator.sol\";\n\n\ncontract MixinSignatureValidator is\n ReentrancyGuard,\n MSignatureValidator,\n MTransactions\n{\n using LibBytes for bytes;\n \n // Mapping of hash => signer => signed\n mapping (bytes32 => mapping (address => bool)) public preSigned;\n\n // Mapping of signer => validator => approved\n mapping (address => mapping (address => bool)) public allowedValidators;\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n {\n if (signerAddress != msg.sender) {\n require(\n isValidSignature(\n hash,\n signerAddress,\n signature\n ),\n \"INVALID_SIGNATURE\"\n );\n }\n preSigned[hash][signerAddress] = true;\n }\n\n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external\n nonReentrant\n {\n address signerAddress = getCurrentContextAddress();\n allowedValidators[signerAddress][validatorAddress] = approval;\n emit SignatureValidatorApproval(\n signerAddress,\n validatorAddress,\n approval\n );\n }\n\n /// @dev Verifies that a hash has been signed by the given signer.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid)\n {\n require(\n signature.length > 0,\n \"LENGTH_GREATER_THAN_0_REQUIRED\"\n );\n\n // Pop last byte off of signature byte array.\n uint8 signatureTypeRaw = uint8(signature.popLastByte());\n\n // Ensure signature is supported\n require(\n signatureTypeRaw < uint8(SignatureType.NSignatureTypes),\n \"SIGNATURE_UNSUPPORTED\"\n );\n\n SignatureType signatureType = SignatureType(signatureTypeRaw);\n\n // Variables are not scoped in Solidity.\n uint8 v;\n bytes32 r;\n bytes32 s;\n address recovered;\n\n // Always illegal signature.\n // This is always an implicit option since a signer can create a\n // signature array with invalid type or length. We may as well make\n // it an explicit option. This aids testing and analysis. It is\n // also the initialization value for the enum type.\n if (signatureType == SignatureType.Illegal) {\n revert(\"SIGNATURE_ILLEGAL\");\n\n // Always invalid signature.\n // Like Illegal, this is always implicitly available and therefore\n // offered explicitly. It can be implicitly created by providing\n // a correctly formatted but incorrect signature.\n } else if (signatureType == SignatureType.Invalid) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = false;\n return isValid;\n\n // Signature using EIP712\n } else if (signatureType == SignatureType.EIP712) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n hash,\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signed using web3.eth_sign\n } else if (signatureType == SignatureType.EthSign) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n32\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signature verified by wallet contract.\n // If used with an order, the maker of the order is the wallet contract.\n } else if (signatureType == SignatureType.Wallet) {\n isValid = isValidWalletSignature(\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signature verified by validator contract.\n // If used with an order, the maker of the order can still be an EOA.\n // A signature using this type should be encoded as:\n // | Offset | Length | Contents |\n // | 0x00 | x | Signature to validate |\n // | 0x00 + x | 20 | Address of validator contract |\n // | 0x14 + x | 1 | Signature type is always \"\\x06\" |\n } else if (signatureType == SignatureType.Validator) {\n // Pop last 20 bytes off of signature byte array.\n address validatorAddress = signature.popLast20Bytes();\n \n // Ensure signer has approved validator.\n if (!allowedValidators[signerAddress][validatorAddress]) {\n return false;\n }\n isValid = isValidValidatorSignature(\n validatorAddress,\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signer signed hash previously using the preSign function.\n } else if (signatureType == SignatureType.PreSigned) {\n isValid = preSigned[hash][signerAddress];\n return isValid;\n }\n\n // Anything else is illegal (We do not return false because\n // the signature may actually be valid, just not in a format\n // that we currently support. In this case returning false\n // may lead the caller to incorrectly believe that the\n // signature was invalid.)\n revert(\"SIGNATURE_UNSUPPORTED\");\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if signature is valid for given wallet..\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IWallet(walletAddress).isValidSignature.selector,\n hash,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n walletAddress, // address of Wallet contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"WALLET_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000c57414c4c45545f4552524f5200000000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IValidator(signerAddress).isValidSignature.selector,\n hash,\n signerAddress,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n validatorAddress, // address of Validator contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"VALIDATOR_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f56414c494441544f525f4552524f5200000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n}\n", + "2.0.0/protocol/Exchange/MixinTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"./libs/LibExchangeErrors.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./libs/LibEIP712.sol\";\n\n\ncontract MixinTransactions is\n LibEIP712,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of transaction hash => executed\n // This prevents transactions from being executed more than once.\n mapping (bytes32 => bool) public transactions;\n\n // Address of current transaction signer\n address public currentContextAddress;\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external\n {\n // Prevent reentrancy\n require(\n currentContextAddress == address(0),\n \"REENTRANCY_ILLEGAL\"\n );\n\n bytes32 transactionHash = hashEIP712Message(hashZeroExTransaction(\n salt,\n signerAddress,\n data\n ));\n\n // Validate transaction has not been executed\n require(\n !transactions[transactionHash],\n \"INVALID_TX_HASH\"\n );\n\n // Transaction always valid if signer is sender of transaction\n if (signerAddress != msg.sender) {\n // Validate signature\n require(\n isValidSignature(\n transactionHash,\n signerAddress,\n signature\n ),\n \"INVALID_TX_SIGNATURE\"\n );\n\n // Set the current transaction signer\n currentContextAddress = signerAddress;\n }\n\n // Execute transaction\n transactions[transactionHash] = true;\n require(\n address(this).delegatecall(data),\n \"FAILED_EXECUTION\"\n );\n\n // Reset current transaction signer if it was previously updated\n if (signerAddress != msg.sender) {\n currentContextAddress = address(0);\n }\n }\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;\n bytes32 dataHash = keccak256(data);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,\n // salt,\n // bytes32(signerAddress),\n // keccak256(data)\n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, schemaHash) // hash of schema\n mstore(add(memPtr, 32), salt) // salt\n mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff)) // signerAddress\n mstore(add(memPtr, 96), dataHash) // hash of data\n\n // Compute hash\n result := keccak256(memPtr, 128)\n }\n return result;\n }\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address)\n {\n address currentContextAddress_ = currentContextAddress;\n address contextAddress = currentContextAddress_ == address(0) ? msg.sender : currentContextAddress_;\n return contextAddress;\n }\n}\n", + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibAbiEncoder.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MWrapperFunctions.sol\";\n\n\ncontract MixinWrapperFunctions is\n ReentrancyGuard,\n LibMath,\n LibFillResults,\n LibAbiEncoder,\n MExchangeCore,\n MWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrKillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n // Delegate to `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := delegatecall(\n gas, // forward all gas\n address, // call address of this contract\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrKillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n \n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public\n nonReentrant\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n cancelOrderInternal(orders[i]);\n }\n }\n\n /// @dev Fetches information for all passed in orders.\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n LibOrder.OrderInfo[] memory ordersInfo = new LibOrder.OrderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n ordersInfo[i] = getOrderInfo(orders[i]);\n }\n return ordersInfo;\n }\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n require(\n fillResults.takerAssetFilledAmount == takerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return fillResults;\n }\n}\n", + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssetProxyDispatcher {\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external;\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./IExchangeCore.sol\";\nimport \"./IMatchOrders.sol\";\nimport \"./ISignatureValidator.sol\";\nimport \"./ITransactions.sol\";\nimport \"./IAssetProxyDispatcher.sol\";\nimport \"./IWrapperFunctions.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract IExchange is\n IExchangeCore,\n IMatchOrders,\n ISignatureValidator,\n ITransactions,\n IAssetProxyDispatcher,\n IWrapperFunctions\n{}\n", + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IExchangeCore {\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external;\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrder(LibOrder.Order memory order)\n public;\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(LibOrder.Order memory order)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IMatchOrders {\n\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ISignatureValidator {\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external;\n \n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external;\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address of signer.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\n\ncontract ITransactions {\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external;\n}\n", + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IValidator {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IWallet {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IWrapperFunctions {\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public;\n\n /// @dev Fetches information for all passed in orders\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory);\n}\n", + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./LibOrder.sol\";\n\n\ncontract LibAbiEncoder {\n\n /// @dev ABI encodes calldata for `fillOrder`.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return ABI encoded calldata for `fillOrder`.\n function abiEncodeFillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n pure\n returns (bytes memory fillOrderCalldata)\n {\n // We need to call MExchangeCore.fillOrder using a delegatecall in\n // assembly so that we can intercept a call that throws. For this, we\n // need the input encoded in memory in the Ethereum ABIv2 format [1].\n\n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0x00 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 0x00 | | 1. offset to order (*) |\n // | | 0x20 | | 2. takerAssetFillAmount |\n // | | 0x40 | | 3. offset to signature (*) |\n // | Data | | 12 * 32 | order: |\n // | | 0x000 | | 1. senderAddress |\n // | | 0x020 | | 2. makerAddress |\n // | | 0x040 | | 3. takerAddress |\n // | | 0x060 | | 4. feeRecipientAddress |\n // | | 0x080 | | 5. makerAssetAmount |\n // | | 0x0A0 | | 6. takerAssetAmount |\n // | | 0x0C0 | | 7. makerFeeAmount |\n // | | 0x0E0 | | 8. takerFeeAmount |\n // | | 0x100 | | 9. expirationTimeSeconds |\n // | | 0x120 | | 10. salt |\n // | | 0x140 | | 11. Offset to makerAssetData (*) |\n // | | 0x160 | | 12. Offset to takerAssetData (*) |\n // | | 0x180 | 32 | makerAssetData Length |\n // | | 0x1A0 | ** | makerAssetData Contents |\n // | | 0x1C0 | 32 | takerAssetData Length |\n // | | 0x1E0 | ** | takerAssetData Contents |\n // | | 0x200 | 32 | signature Length |\n // | | 0x220 | ** | signature Contents |\n\n // * Offsets are calculated from the beginning of the current area: Header, Params, Data:\n // An offset stored in the Params area is calculated from the beginning of the Params section.\n // An offset stored in the Data area is calculated from the beginning of the Data section.\n\n // ** The length of dynamic array contents are stored in the field immediately preceeding the contents.\n\n // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html\n\n assembly {\n\n // Areas below may use the following variables:\n // 1. Start -- Start of this area in memory\n // 2. End -- End of this area in memory. This value may\n // be precomputed (before writing contents),\n // or it may be computed as contents are written.\n // 3. Offset -- Current offset into area. If an area's End\n // is precomputed, this variable tracks the\n // offsets of contents as they are written.\n\n /////// Setup Header Area ///////\n // Load free memory pointer\n fillOrderCalldata := mload(0x40)\n // bytes4(keccak256(\"fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)\"))\n // = 0xb4be83d5\n // Leave 0x20 bytes to store the length\n mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000)\n let headerAreaEnd := add(fillOrderCalldata, 0x24)\n\n /////// Setup Params Area ///////\n // This area is preallocated and written to later.\n // This is because we need to fill in offsets that have not yet been calculated.\n let paramsAreaStart := headerAreaEnd\n let paramsAreaEnd := add(paramsAreaStart, 0x60)\n let paramsAreaOffset := paramsAreaStart\n\n /////// Setup Data Area ///////\n let dataAreaStart := paramsAreaEnd\n let dataAreaEnd := dataAreaStart\n\n // Offset from the source data we're reading from\n let sourceOffset := order\n // arrayLenBytes and arrayLenWords track the length of a dynamically-allocated bytes array.\n let arrayLenBytes := 0\n let arrayLenWords := 0\n\n /////// Write order Struct ///////\n // Write memory location of Order, relative to the start of the\n // parameter list, then increment the paramsAreaOffset respectively.\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n // Write values for each field in the order\n // It would be nice to use a loop, but we save on gas by writing\n // the stores sequentially.\n mstore(dataAreaEnd, mload(sourceOffset)) // makerAddress\n mstore(add(dataAreaEnd, 0x20), mload(add(sourceOffset, 0x20))) // takerAddress\n mstore(add(dataAreaEnd, 0x40), mload(add(sourceOffset, 0x40))) // feeRecipientAddress\n mstore(add(dataAreaEnd, 0x60), mload(add(sourceOffset, 0x60))) // senderAddress\n mstore(add(dataAreaEnd, 0x80), mload(add(sourceOffset, 0x80))) // makerAssetAmount\n mstore(add(dataAreaEnd, 0xA0), mload(add(sourceOffset, 0xA0))) // takerAssetAmount\n mstore(add(dataAreaEnd, 0xC0), mload(add(sourceOffset, 0xC0))) // makerFeeAmount\n mstore(add(dataAreaEnd, 0xE0), mload(add(sourceOffset, 0xE0))) // takerFeeAmount\n mstore(add(dataAreaEnd, 0x100), mload(add(sourceOffset, 0x100))) // expirationTimeSeconds\n mstore(add(dataAreaEnd, 0x120), mload(add(sourceOffset, 0x120))) // salt\n mstore(add(dataAreaEnd, 0x140), mload(add(sourceOffset, 0x140))) // Offset to makerAssetData\n mstore(add(dataAreaEnd, 0x160), mload(add(sourceOffset, 0x160))) // Offset to takerAssetData\n dataAreaEnd := add(dataAreaEnd, 0x180)\n sourceOffset := add(sourceOffset, 0x180)\n\n // Write offset to \n mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x140)) // makerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Write offset to \n mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x160)) // takerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n /////// Write takerAssetFillAmount ///////\n mstore(paramsAreaOffset, takerAssetFillAmount)\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n /////// Write signature ///////\n // Write offset to paramsArea\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n\n // Calculate length of signature\n sourceOffset := signature\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of signature\n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of signature\n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Set length of calldata\n mstore(fillOrderCalldata, sub(dataAreaEnd, add(fillOrderCalldata, 0x20)))\n\n // Increment free memory pointer\n mstore(0x40, dataAreaEnd)\n }\n\n return fillOrderCalldata;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\n// solhint-disable max-line-length\ncontract LibConstants {\n \n // Asset data for ZRX token. Used for fee transfers.\n // @TODO: Hardcode constant when we deploy. Currently \n // not constant to make testing easier.\n\n // The proxyId for ZRX_ASSET_DATA is bytes4(keccak256(\"ERC20Token(address)\")) = 0xf47261b0\n \n // Kovan ZRX address is 0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570.\n // The ABI encoded proxyId and address is 0xf47261b00000000000000000000000006ff6c0ff1d68b964901f986d4c9fa3ac68346570\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x6f\\xf6\\xc0\\xff\\x1d\\x68\\xb9\\x64\\x90\\x1f\\x98\\x6d\\x4c\\x9f\\xa3\\xac\\x68\\x34\\x65\\x70\";\n \n // Mainnet ZRX address is 0xe41d2489571d322189246dafa5ebde1f4699f498.\n // The ABI encoded proxyId and address is 0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xe4\\x1d\\x24\\x89\\x57\\x1d\\x32\\x21\\x89\\x24\\x6d\\xaf\\xa5\\xeb\\xde\\x1f\\x46\\x99\\xf4\\x98\";\n \n // solhint-disable-next-line var-name-mixedcase\n bytes public ZRX_ASSET_DATA;\n\n // @TODO: Remove when we deploy.\n constructor (bytes memory zrxAssetData)\n public\n {\n ZRX_ASSET_DATA = zrxAssetData;\n }\n}\n// solhint-enable max-line-length\n", + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract LibEIP712 {\n\n // EIP191 header for EIP712 prefix\n string constant internal EIP191_HEADER = \"\\x19\\x01\";\n\n // EIP712 Domain Name value\n string constant internal EIP712_DOMAIN_NAME = \"0x Protocol\";\n\n // EIP712 Domain Version value\n string constant internal EIP712_DOMAIN_VERSION = \"2\";\n\n // Hash of the EIP712 Domain Separator Schema\n bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"EIP712Domain(\",\n \"string name,\",\n \"string version,\",\n \"address verifyingContract\",\n \")\"\n ));\n\n // Hash of the EIP712 Domain Separator data\n // solhint-disable-next-line var-name-mixedcase\n bytes32 public EIP712_DOMAIN_HASH;\n\n constructor ()\n public\n {\n EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(\n EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,\n keccak256(bytes(EIP712_DOMAIN_NAME)),\n keccak256(bytes(EIP712_DOMAIN_VERSION)),\n bytes32(address(this))\n ));\n }\n\n /// @dev Calculates EIP712 encoding for a hash struct in this EIP712 Domain.\n /// @param hashStruct The EIP712 hash struct.\n /// @return EIP712 hash applied to this EIP712 Domain.\n function hashEIP712Message(bytes32 hashStruct)\n internal\n view\n returns (bytes32 result)\n {\n bytes32 eip712DomainHash = EIP712_DOMAIN_HASH;\n\n // Assembly for more efficient computing:\n // keccak256(abi.encodePacked(\n // EIP191_HEADER,\n // EIP712_DOMAIN_HASH,\n // hashStruct \n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, 0x1901000000000000000000000000000000000000000000000000000000000000) // EIP191 header\n mstore(add(memPtr, 2), eip712DomainHash) // EIP712 domain hash\n mstore(add(memPtr, 34), hashStruct) // Hash of struct\n\n // Compute hash\n result := keccak256(memPtr, 66)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity 0.4.24;\n\n\n/// @dev This contract documents the revert reasons used in the Exchange contract.\n/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons.\ncontract LibExchangeErrors {\n\n /// Order validation errors ///\n string constant ORDER_UNFILLABLE = \"ORDER_UNFILLABLE\"; // Order cannot be filled.\n string constant INVALID_MAKER = \"INVALID_MAKER\"; // Invalid makerAddress.\n string constant INVALID_TAKER = \"INVALID_TAKER\"; // Invalid takerAddress.\n string constant INVALID_SENDER = \"INVALID_SENDER\"; // Invalid `msg.sender`.\n string constant INVALID_ORDER_SIGNATURE = \"INVALID_ORDER_SIGNATURE\"; // Signature validation failed. \n \n /// fillOrder validation errors ///\n string constant INVALID_TAKER_AMOUNT = \"INVALID_TAKER_AMOUNT\"; // takerAssetFillAmount cannot equal 0.\n string constant ROUNDING_ERROR = \"ROUNDING_ERROR\"; // Rounding error greater than 0.1% of takerAssetFillAmount. \n \n /// Signature validation errors ///\n string constant INVALID_SIGNATURE = \"INVALID_SIGNATURE\"; // Signature validation failed. \n string constant SIGNATURE_ILLEGAL = \"SIGNATURE_ILLEGAL\"; // Signature type is illegal.\n string constant SIGNATURE_UNSUPPORTED = \"SIGNATURE_UNSUPPORTED\"; // Signature type unsupported.\n \n /// cancelOrdersUptTo errors ///\n string constant INVALID_NEW_ORDER_EPOCH = \"INVALID_NEW_ORDER_EPOCH\"; // Specified salt must be greater than or equal to existing orderEpoch.\n\n /// fillOrKillOrder errors ///\n string constant COMPLETE_FILL_FAILED = \"COMPLETE_FILL_FAILED\"; // Desired takerAssetFillAmount could not be completely filled. \n\n /// matchOrders errors ///\n string constant NEGATIVE_SPREAD_REQUIRED = \"NEGATIVE_SPREAD_REQUIRED\"; // Matched orders must have a negative spread.\n\n /// Transaction errors ///\n string constant REENTRANCY_ILLEGAL = \"REENTRANCY_ILLEGAL\"; // Recursive reentrancy is not allowed. \n string constant INVALID_TX_HASH = \"INVALID_TX_HASH\"; // Transaction has already been executed. \n string constant INVALID_TX_SIGNATURE = \"INVALID_TX_SIGNATURE\"; // Signature validation failed. \n string constant FAILED_EXECUTION = \"FAILED_EXECUTION\"; // Transaction execution failed. \n \n /// registerAssetProxy errors ///\n string constant ASSET_PROXY_ALREADY_EXISTS = \"ASSET_PROXY_ALREADY_EXISTS\"; // AssetProxy with same id already exists.\n\n /// dispatchTransferFrom errors ///\n string constant ASSET_PROXY_DOES_NOT_EXIST = \"ASSET_PROXY_DOES_NOT_EXIST\"; // No assetProxy registered at given id.\n string constant TRANSFER_FAILED = \"TRANSFER_FAILED\"; // Asset transfer unsuccesful.\n\n /// Length validation errors ///\n string constant LENGTH_GREATER_THAN_0_REQUIRED = \"LENGTH_GREATER_THAN_0_REQUIRED\"; // Byte array must have a length greater than 0.\n string constant LENGTH_GREATER_THAN_3_REQUIRED = \"LENGTH_GREATER_THAN_3_REQUIRED\"; // Byte array must have a length greater than 3.\n string constant LENGTH_0_REQUIRED = \"LENGTH_0_REQUIRED\"; // Byte array must have a length of 0.\n string constant LENGTH_65_REQUIRED = \"LENGTH_65_REQUIRED\"; // Byte array must have a length of 65.\n}\n", + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibFillResults is\n SafeMath\n{\n struct FillResults {\n uint256 makerAssetFilledAmount; // Total amount of makerAsset(s) filled.\n uint256 takerAssetFilledAmount; // Total amount of takerAsset(s) filled.\n uint256 makerFeePaid; // Total amount of ZRX paid by maker(s) to feeRecipient(s).\n uint256 takerFeePaid; // Total amount of ZRX paid by taker to feeRecipients(s).\n }\n\n struct MatchedFillResults {\n FillResults left; // Amounts filled and fees paid of left order.\n FillResults right; // Amounts filled and fees paid of right order.\n uint256 leftMakerAssetSpreadAmount; // Spread between price of left and right order, denominated in the left order's makerAsset, paid to taker.\n }\n\n /// @dev Adds properties of both FillResults instances.\n /// Modifies the first FillResults instance specified.\n /// @param totalFillResults Fill results instance that will be added onto.\n /// @param singleFillResults Fill results instance that will be added to totalFillResults.\n function addFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)\n internal\n pure\n {\n totalFillResults.makerAssetFilledAmount = safeAdd(totalFillResults.makerAssetFilledAmount, singleFillResults.makerAssetFilledAmount);\n totalFillResults.takerAssetFilledAmount = safeAdd(totalFillResults.takerAssetFilledAmount, singleFillResults.takerAssetFilledAmount);\n totalFillResults.makerFeePaid = safeAdd(totalFillResults.makerFeePaid, singleFillResults.makerFeePaid);\n totalFillResults.takerFeePaid = safeAdd(totalFillResults.takerFeePaid, singleFillResults.takerFeePaid);\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibMath.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibMath is\n SafeMath\n{\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function safeGetPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorFloor(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function safeGetPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorCeil(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function getPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function getPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // The absolute rounding error is the difference between the rounded\n // value and the ideal value. The relative rounding error is the\n // absolute rounding error divided by the absolute value of the\n // ideal value. This is undefined when the ideal value is zero.\n //\n // The ideal value is `numerator * target / denominator`.\n // Let's call `numerator * target % denominator` the remainder.\n // The absolute error is `remainder / denominator`.\n //\n // When the ideal value is zero, we require the absolute error to\n // be zero. Fortunately, this is always the case. The ideal value is\n // zero iff `numerator == 0` and/or `target == 0`. In this case the\n // remainder and absolute error are also zero. \n if (target == 0 || numerator == 0) {\n return false;\n }\n \n // Otherwise, we want the relative rounding error to be strictly\n // less than 0.1%.\n // The relative error is `remainder / (numerator * target)`.\n // We want the relative error less than 1 / 1000:\n // remainder / (numerator * denominator) < 1 / 1000\n // or equivalently:\n // 1000 * remainder < numerator * target\n // so we have a rounding error iff:\n // 1000 * remainder >= numerator * target\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding up.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // See the comments in `isRoundingError`.\n if (target == 0 || numerator == 0) {\n // When either is zero, the ideal value and rounded value are zero\n // and there is no rounding error. (Although the relative error\n // is undefined.)\n return false;\n }\n // Compute remainder as before\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n remainder = safeSub(denominator, remainder) % denominator;\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibOrder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./LibEIP712.sol\";\n\n\ncontract LibOrder is\n LibEIP712\n{\n // Hash for the EIP712 Order Schema\n bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"Order(\",\n \"address makerAddress,\",\n \"address takerAddress,\",\n \"address feeRecipientAddress,\",\n \"address senderAddress,\",\n \"uint256 makerAssetAmount,\",\n \"uint256 takerAssetAmount,\",\n \"uint256 makerFee,\",\n \"uint256 takerFee,\",\n \"uint256 expirationTimeSeconds,\",\n \"uint256 salt,\",\n \"bytes makerAssetData,\",\n \"bytes takerAssetData\",\n \")\"\n ));\n\n // A valid order remains fillable until it is expired, fully filled, or cancelled.\n // An order's state is unaffected by external factors, like account balances.\n enum OrderStatus {\n INVALID, // Default value\n INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount\n INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount\n FILLABLE, // Order is fillable\n EXPIRED, // Order has already expired\n FULLY_FILLED, // Order is fully filled\n CANCELLED // Order has been cancelled\n }\n\n // solhint-disable max-line-length\n struct Order {\n address makerAddress; // Address that created the order. \n address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order. \n address feeRecipientAddress; // Address that will recieve fees when order is filled. \n address senderAddress; // Address that is allowed to call Exchange contract methods that affect this order. If set to 0, any address is allowed to call these methods.\n uint256 makerAssetAmount; // Amount of makerAsset being offered by maker. Must be greater than 0. \n uint256 takerAssetAmount; // Amount of takerAsset being bid on by maker. Must be greater than 0. \n uint256 makerFee; // Amount of ZRX paid to feeRecipient by maker when order is filled. If set to 0, no transfer of ZRX from maker to feeRecipient will be attempted.\n uint256 takerFee; // Amount of ZRX paid to feeRecipient by taker when order is filled. If set to 0, no transfer of ZRX from taker to feeRecipient will be attempted.\n uint256 expirationTimeSeconds; // Timestamp in seconds at which order expires. \n uint256 salt; // Arbitrary number to facilitate uniqueness of the order's hash. \n bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.\n bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.\n }\n // solhint-enable max-line-length\n\n struct OrderInfo {\n uint8 orderStatus; // Status that describes order's validity and fillability.\n bytes32 orderHash; // EIP712 hash of the order (see LibOrder.getOrderHash).\n uint256 orderTakerAssetFilledAmount; // Amount of order that has already been filled.\n }\n\n /// @dev Calculates Keccak-256 hash of the order.\n /// @param order The order structure.\n /// @return Keccak-256 EIP712 hash of the order.\n function getOrderHash(Order memory order)\n internal\n view\n returns (bytes32 orderHash)\n {\n orderHash = hashEIP712Message(hashOrder(order));\n return orderHash;\n }\n\n /// @dev Calculates EIP712 hash of the order.\n /// @param order The order structure.\n /// @return EIP712 hash of the order.\n function hashOrder(Order memory order)\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ORDER_SCHEMA_HASH;\n bytes32 makerAssetDataHash = keccak256(order.makerAssetData);\n bytes32 takerAssetDataHash = keccak256(order.takerAssetData);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ORDER_SCHEMA_HASH,\n // bytes32(order.makerAddress),\n // bytes32(order.takerAddress),\n // bytes32(order.feeRecipientAddress),\n // bytes32(order.senderAddress),\n // order.makerAssetAmount,\n // order.takerAssetAmount,\n // order.makerFee,\n // order.takerFee,\n // order.expirationTimeSeconds,\n // order.salt,\n // keccak256(order.makerAssetData),\n // keccak256(order.takerAssetData)\n // ));\n\n assembly {\n // Calculate memory addresses that will be swapped out before hashing\n let pos1 := sub(order, 32)\n let pos2 := add(order, 320)\n let pos3 := add(order, 352)\n\n // Backup\n let temp1 := mload(pos1)\n let temp2 := mload(pos2)\n let temp3 := mload(pos3)\n \n // Hash in place\n mstore(pos1, schemaHash)\n mstore(pos2, makerAssetDataHash)\n mstore(pos3, takerAssetDataHash)\n result := keccak256(pos1, 416)\n \n // Restore\n mstore(pos1, temp1)\n mstore(pos2, temp2)\n mstore(pos3, temp3)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssetProxyDispatcher.sol\";\n\n\ncontract MAssetProxyDispatcher is\n IAssetProxyDispatcher\n{\n // Logs registration of new asset proxy\n event AssetProxyRegistered(\n bytes4 id, // Id of new registered AssetProxy.\n address assetProxy // Address of new registered AssetProxy.\n );\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IExchangeCore.sol\";\n\n\ncontract MExchangeCore is\n IExchangeCore\n{\n // Fill event is emitted whenever an order is filled.\n event Fill(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that received fees.\n address takerAddress, // Address that filled the order.\n address senderAddress, // Address that called the Exchange contract (msg.sender).\n uint256 makerAssetFilledAmount, // Amount of makerAsset sold by maker and bought by taker. \n uint256 takerAssetFilledAmount, // Amount of takerAsset sold by taker and bought by maker.\n uint256 makerFeePaid, // Amount of ZRX paid to feeRecipient by maker.\n uint256 takerFeePaid, // Amount of ZRX paid to feeRecipient by taker.\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // Cancel event is emitted whenever an individual order is cancelled.\n event Cancel(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that would have recieved fees if order was filled. \n address senderAddress, // Address that called the Exchange contract (msg.sender).\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // CancelUpTo event is emitted whenever `cancelOrdersUpTo` is executed succesfully.\n event CancelUpTo(\n address indexed makerAddress, // Orders cancelled must have been created by this address.\n address indexed senderAddress, // Orders cancelled must have a `senderAddress` equal to this address.\n uint256 orderEpoch // Orders with specified makerAddress and senderAddress with a salt less than this value are considered cancelled.\n );\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrderInternal(LibOrder.Order memory order)\n internal;\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function updateFilledState(\n LibOrder.Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n LibFillResults.FillResults memory fillResults\n )\n internal;\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n LibOrder.Order memory order,\n bytes32 orderHash\n )\n internal;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo Status, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view;\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo\n )\n internal\n view;\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n LibOrder.Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.FillResults memory fillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IMatchOrders.sol\";\n\n\ncontract MMatchOrders is\n IMatchOrders\n{\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure;\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/ISignatureValidator.sol\";\n\n\ncontract MSignatureValidator is\n ISignatureValidator\n{\n event SignatureValidatorApproval(\n address indexed signerAddress, // Address that approves or disapproves a contract to verify signatures.\n address indexed validatorAddress, // Address of signature validator contract.\n bool approved // Approval or disapproval of validator contract.\n );\n\n // Allowed signature types.\n enum SignatureType {\n Illegal, // 0x00, default value\n Invalid, // 0x01\n EIP712, // 0x02\n EthSign, // 0x03\n Wallet, // 0x04\n Validator, // 0x05\n PreSigned, // 0x06\n NSignatureTypes // 0x07, number of signature types. Always leave at end.\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"../interfaces/ITransactions.sol\";\n\n\ncontract MTransactions is\n ITransactions\n{\n // Hash for the EIP712 ZeroEx Transaction Schema\n bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"ZeroExTransaction(\",\n \"uint256 salt,\",\n \"address signerAddress,\",\n \"bytes data\",\n \")\"\n ));\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result);\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address);\n}\n", + "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IWrapperFunctions.sol\";\n\n\ncontract MWrapperFunctions is \n IWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n}\n", + "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/MintableERC20Token.sol\";\n\n\ncontract DummyERC20Token is \n Ownable,\n MintableERC20Token\n{\n string public name;\n string public symbol;\n uint256 public decimals;\n uint256 public constant MAX_MINT_AMOUNT = 10000000000000000000000;\n\n constructor (\n string _name,\n string _symbol,\n uint256 _decimals,\n uint256 _totalSupply\n )\n public\n {\n name = _name;\n symbol = _symbol;\n decimals = _decimals;\n _totalSupply = _totalSupply;\n balances[msg.sender] = _totalSupply;\n }\n\n /// @dev Sets the balance of target address\n /// @param _target Address or which balance will be updated\n /// @param _value New balance of target address\n function setBalance(address _target, uint256 _value)\n external\n onlyOwner\n {\n uint256 currBalance = balances[_target];\n if (_value < currBalance) {\n _totalSupply = safeSub(_totalSupply, safeSub(currBalance, _value));\n } else {\n _totalSupply = safeAdd(_totalSupply, safeSub(_value, currBalance));\n }\n balances[_target] = _value;\n }\n\n /// @dev Mints new tokens for sender\n /// @param _value Amount of tokens to mint\n function mint(uint256 _value)\n external\n {\n require(\n _value <= MAX_MINT_AMOUNT,\n \"VALUE_TOO_LARGE\"\n );\n\n _mint(msg.sender, _value);\n }\n}\n", + "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../tokens/ERC721Token/MintableERC721Token.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract DummyERC721Token is\n Ownable,\n MintableERC721Token\n{\n string public name;\n string public symbol;\n\n constructor (\n string _name,\n string _symbol\n )\n public\n {\n name = _name;\n symbol = _symbol;\n }\n\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function mint(address _to, uint256 _tokenId)\n external\n {\n _mint(_to, _tokenId);\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist or not called by contract owner\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function burn(address _owner, uint256 _tokenId)\n external\n onlyOwner\n {\n _burn(_owner, _tokenId);\n }\n}\n", + "2.0.0/tokens/ERC20Token/ERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC20Token.sol\";\n\n\ncontract ERC20Token is\n IERC20Token\n{\n mapping (address => uint256) internal balances;\n mapping (address => mapping (address => uint256)) internal allowed;\n\n uint256 internal _totalSupply;\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool)\n {\n require(\n balances[msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[msg.sender] -= _value;\n balances[_to] += _value;\n\n emit Transfer(\n msg.sender,\n _to,\n _value\n );\n\n return true;\n }\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowed[_from][msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n allowed[_from][msg.sender] -= _value;\n \n emit Transfer(\n _from,\n _to,\n _value\n );\n \n return true;\n }\n\n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool)\n {\n allowed[msg.sender][_spender] = _value;\n emit Approval(\n msg.sender,\n _spender,\n _value\n );\n return true;\n }\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256)\n {\n return _totalSupply;\n }\n\n /// @dev Query the balance of owner\n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n return balances[_owner];\n }\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256)\n {\n return allowed[_owner][_spender];\n }\n}\n", + "2.0.0/tokens/ERC20Token/IERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n \n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n \n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", + "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/SafeMath/SafeMath.sol\";\nimport \"./UnlimitedAllowanceERC20Token.sol\";\n\n\ncontract MintableERC20Token is \n SafeMath,\n UnlimitedAllowanceERC20Token\n{\n /// @dev Mints new tokens\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _value Amount of tokens to mint\n function _mint(address _to, uint256 _value)\n internal\n {\n balances[_to] = safeAdd(_value, balances[_to]);\n _totalSupply = safeAdd(_totalSupply, _value);\n\n emit Transfer(\n address(0),\n _to,\n _value\n );\n }\n\n /// @dev Mints new tokens\n /// @param _owner Owner of tokens that will be burned\n /// @param _value Amount of tokens to burn\n function _burn(address _owner, uint256 _value)\n internal\n {\n balances[_owner] = safeSub(balances[_owner], _value);\n _totalSupply = safeSub(_totalSupply, _value);\n\n emit Transfer(\n _owner,\n address(0),\n _value\n );\n }\n}\n", + "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/ERC20Token.sol\";\n\n\ncontract UnlimitedAllowanceERC20Token is\n ERC20Token\n{\n uint256 constant internal MAX_UINT = 2**256 - 1;\n\n /// @dev ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited allowance. See https://github.com/ethereum/EIPs/issues/717\n /// @param _from Address to transfer from.\n /// @param _to Address to transfer to.\n /// @param _value Amount to transfer.\n /// @return Success of transfer.\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n uint256 allowance = allowed[_from][msg.sender];\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowance >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n if (allowance < MAX_UINT) {\n allowed[_from][msg.sender] -= _value;\n }\n\n emit Transfer(\n _from,\n _to,\n _value\n );\n\n return true;\n }\n}\n", + "2.0.0/tokens/ERC721Token/ERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC721Token.sol\";\nimport \"./IERC721Receiver.sol\";\nimport \"../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract ERC721Token is\n IERC721Token,\n SafeMath\n{\n // Function selector for ERC721Receiver.onERC721Received\n // 0x150b7a02\n bytes4 constant internal ERC721_RECEIVED = bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"));\n\n // Mapping of tokenId => owner\n mapping (uint256 => address) internal owners;\n\n // Mapping of tokenId => approved address\n mapping (uint256 => address) internal approvals;\n\n // Mapping of owner => number of tokens owned\n mapping (address => uint256) internal balances;\n\n // Mapping of owner => operator => approved\n mapping (address => mapping (address => bool)) internal operatorApprovals;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n _data\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n \"\"\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external\n {\n address owner = ownerOf(_tokenId);\n require(\n msg.sender == owner || isApprovedForAll(owner, msg.sender),\n \"ERC721_INVALID_SENDER\"\n );\n\n approvals[_tokenId] = _approved;\n emit Approval(\n owner,\n _approved,\n _tokenId\n );\n }\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external\n {\n operatorApprovals[msg.sender][_operator] = _approved;\n emit ApprovalForAll(\n msg.sender,\n _operator,\n _approved\n );\n }\n \n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return balances[_owner];\n }\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = ownerOf(_tokenId);\n require(\n _from == owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n address spender = msg.sender;\n address approvedAddress = getApproved(_tokenId);\n require(\n spender == owner ||\n isApprovedForAll(owner, spender) ||\n approvedAddress == spender,\n \"ERC721_INVALID_SPENDER\"\n );\n\n if (approvedAddress != address(0)) {\n approvals[_tokenId] = address(0);\n }\n\n owners[_tokenId] = _to;\n balances[_from] = safeSub(balances[_from], 1);\n balances[_to] = safeAdd(balances[_to], 1);\n \n emit Transfer(\n _from,\n _to,\n _tokenId\n );\n }\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address)\n {\n address owner = owners[_tokenId];\n require(\n owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return owner;\n }\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId)\n public\n view\n returns (address)\n {\n return approvals[_tokenId];\n }\n\n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool)\n {\n return operatorApprovals[_owner][_operator];\n }\n}\n", + "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Receiver {\n\n /// @notice Handle the receipt of an NFT\n /// @dev The ERC721 smart contract calls this function on the recipient\n /// after a `transfer`. This function MAY throw to revert and reject the\n /// transfer. Return of other than the magic value MUST result in the\n /// transaction being reverted.\n /// Note: the contract address is always the message sender.\n /// @param _operator The address which called `safeTransferFrom` function\n /// @param _from The address which previously owned the token\n /// @param _tokenId The NFT identifier which is being transferred\n /// @param _data Additional data with no specified format\n /// @return `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`\n /// unless throwing\n function onERC721Received(\n address _operator,\n address _from,\n uint256 _tokenId,\n bytes _data\n )\n external\n returns (bytes4);\n}\n", + "2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Token {\n\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(\n address indexed _owner,\n address indexed _approved,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(\n address indexed _owner,\n address indexed _operator,\n bool _approved\n );\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// perator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external;\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public;\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address);\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) \n public\n view\n returns (address);\n \n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool);\n}\n", + "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./ERC721Token.sol\";\n\n\ncontract MintableERC721Token is\n ERC721Token\n{\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function _mint(address _to, uint256 _tokenId)\n internal\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == address(0),\n \"ERC721_OWNER_ALREADY_EXISTS\"\n );\n\n owners[_tokenId] = _to;\n balances[_to] = safeAdd(balances[_to], 1);\n\n emit Transfer(\n address(0),\n _to,\n _tokenId\n );\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function _burn(address _owner, uint256 _tokenId)\n internal\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == _owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n owners[_tokenId] = address(0);\n balances[_owner] = safeSub(balances[_owner], 1);\n\n emit Transfer(\n _owner,\n address(0),\n _tokenId\n );\n }\n}\n", + "2.0.0/tokens/EtherToken/IEtherToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/IERC20Token.sol\";\n\n\ncontract IEtherToken is\n IERC20Token\n{\n function deposit()\n public\n payable;\n \n function withdraw(uint256 amount)\n public;\n}\n", + "2.0.0/utils/LibBytes/LibBytes.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\nlibrary LibBytes {\n\n using LibBytes for bytes;\n\n /// @dev Gets the memory address for a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of byte array. This\n /// points to the header of the byte array which contains\n /// the length.\n function rawAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := input\n }\n return memoryAddress;\n }\n \n /// @dev Gets the memory address for the contents of a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of the contents of the byte array.\n function contentAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := add(input, 32)\n }\n return memoryAddress;\n }\n\n /// @dev Copies `length` bytes from memory location `source` to `dest`.\n /// @param dest memory address to copy bytes to.\n /// @param source memory address to copy bytes from.\n /// @param length number of bytes to copy.\n function memCopy(\n uint256 dest,\n uint256 source,\n uint256 length\n )\n internal\n pure\n {\n if (length < 32) {\n // Handle a partial word by reading destination and masking\n // off the bits we are interested in.\n // This correctly handles overlap, zero lengths and source == dest\n assembly {\n let mask := sub(exp(256, sub(32, length)), 1)\n let s := and(mload(source), not(mask))\n let d := and(mload(dest), mask)\n mstore(dest, or(s, d))\n }\n } else {\n // Skip the O(length) loop when source == dest.\n if (source == dest) {\n return;\n }\n\n // For large copies we copy whole words at a time. The final\n // word is aligned to the end of the range (instead of after the\n // previous) to handle partial words. So a copy will look like this:\n //\n // ####\n // ####\n // ####\n // ####\n //\n // We handle overlap in the source and destination range by\n // changing the copying direction. This prevents us from\n // overwriting parts of source that we still need to copy.\n //\n // This correctly handles source == dest\n //\n if (source > dest) {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because it\n // is easier to compare with in the loop, and these\n // are also the addresses we need for copying the\n // last bytes.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the last 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the last bytes in\n // source already due to overlap.\n let last := mload(sEnd)\n\n // Copy whole words front to back\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} lt(source, sEnd) {} {\n mstore(dest, mload(source))\n source := add(source, 32)\n dest := add(dest, 32)\n }\n \n // Write the last 32 bytes\n mstore(dEnd, last)\n }\n } else {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because those\n // are the starting points when copying a word at the end.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the first 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the first bytes in\n // source already due to overlap.\n let first := mload(source)\n\n // Copy whole words back to front\n // We use a signed comparisson here to allow dEnd to become\n // negative (happens when source and dest < 32). Valid\n // addresses in local memory will never be larger than\n // 2**255, so they can be safely re-interpreted as signed.\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} slt(dest, dEnd) {} {\n mstore(dEnd, mload(sEnd))\n sEnd := sub(sEnd, 32)\n dEnd := sub(dEnd, 32)\n }\n \n // Write the first 32 bytes\n mstore(dest, first)\n }\n }\n }\n }\n\n /// @dev Returns a slices from a byte array.\n /// @param b The byte array to take a slice from.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n function slice(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure and copy contents\n result = new bytes(to - from);\n memCopy(\n result.contentAddress(),\n b.contentAddress() + from,\n result.length\n );\n return result;\n }\n \n /// @dev Returns a slice from a byte array without preserving the input.\n /// @param b The byte array to take a slice from. Will be destroyed in the process.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n /// @dev When `from == 0`, the original array will match the slice. In other cases its state will be corrupted.\n function sliceDestructive(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure around [from, to) in-place.\n assembly {\n result := add(b, from)\n mstore(result, sub(to, from))\n }\n return result;\n }\n\n /// @dev Pops the last byte off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The byte that was popped off.\n function popLastByte(bytes memory b)\n internal\n pure\n returns (bytes1 result)\n {\n require(\n b.length > 0,\n \"GREATER_THAN_ZERO_LENGTH_REQUIRED\"\n );\n\n // Store last byte.\n result = b[b.length - 1];\n\n assembly {\n // Decrement length of byte array.\n let newLen := sub(mload(b), 1)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Pops the last 20 bytes off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The 20 byte address that was popped off.\n function popLast20Bytes(bytes memory b)\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= 20,\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Store last 20 bytes.\n result = readAddress(b, b.length - 20);\n\n assembly {\n // Subtract 20 from byte array length.\n let newLen := sub(mload(b), 20)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Tests equality of two byte arrays.\n /// @param lhs First byte array to compare.\n /// @param rhs Second byte array to compare.\n /// @return True if arrays are the same. False otherwise.\n function equals(\n bytes memory lhs,\n bytes memory rhs\n )\n internal\n pure\n returns (bool equal)\n {\n // Keccak gas cost is 30 + numWords * 6. This is a cheap way to compare.\n // We early exit on unequal lengths, but keccak would also correctly\n // handle this.\n return lhs.length == rhs.length && keccak256(lhs) == keccak256(rhs);\n }\n\n /// @dev Reads an address from a position in a byte array.\n /// @param b Byte array containing an address.\n /// @param index Index in byte array of address.\n /// @return address from byte array.\n function readAddress(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Read address from array memory\n assembly {\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 20-byte mask to obtain address\n result := and(mload(add(b, index)), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n return result;\n }\n\n /// @dev Writes an address into a specific position in a byte array.\n /// @param b Byte array to insert address into.\n /// @param index Index in byte array of address.\n /// @param input Address to put into byte array.\n function writeAddress(\n bytes memory b,\n uint256 index,\n address input\n )\n internal\n pure\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Store address into array memory\n assembly {\n // The address occupies 20 bytes and mstore stores 32 bytes.\n // First fetch the 32-byte word where we'll be storing the address, then\n // apply a mask so we have only the bytes in the word that the address will not occupy.\n // Then combine these bytes with the address and store the 32 bytes back to memory with mstore.\n\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 12-byte mask to obtain extra bytes occupying word of memory where we'll store the address\n let neighbors := and(\n mload(add(b, index)),\n 0xffffffffffffffffffffffff0000000000000000000000000000000000000000\n )\n \n // Make sure input address is clean.\n // (Solidity does not guarantee this)\n input := and(input, 0xffffffffffffffffffffffffffffffffffffffff)\n\n // Store the neighbors and address into memory\n mstore(add(b, index), xor(input, neighbors))\n }\n }\n\n /// @dev Reads a bytes32 value from a position in a byte array.\n /// @param b Byte array containing a bytes32 value.\n /// @param index Index in byte array of bytes32 value.\n /// @return bytes32 value from byte array.\n function readBytes32(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes32 result)\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n result := mload(add(b, index))\n }\n return result;\n }\n\n /// @dev Writes a bytes32 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes32 to put into byte array.\n function writeBytes32(\n bytes memory b,\n uint256 index,\n bytes32 input\n )\n internal\n pure\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n mstore(add(b, index), input)\n }\n }\n\n /// @dev Reads a uint256 value from a position in a byte array.\n /// @param b Byte array containing a uint256 value.\n /// @param index Index in byte array of uint256 value.\n /// @return uint256 value from byte array.\n function readUint256(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (uint256 result)\n {\n result = uint256(readBytes32(b, index));\n return result;\n }\n\n /// @dev Writes a uint256 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input uint256 to put into byte array.\n function writeUint256(\n bytes memory b,\n uint256 index,\n uint256 input\n )\n internal\n pure\n {\n writeBytes32(b, index, bytes32(input));\n }\n\n /// @dev Reads an unpadded bytes4 value from a position in a byte array.\n /// @param b Byte array containing a bytes4 value.\n /// @param index Index in byte array of bytes4 value.\n /// @return bytes4 value from byte array.\n function readBytes4(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes4 result)\n {\n require(\n b.length >= index + 4,\n \"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 32 byte length field\n index += 32;\n\n // Read the bytes4 from array memory\n assembly {\n result := mload(add(b, index))\n // Solidity does not require us to clean the trailing bytes.\n // We do it anyway\n result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)\n }\n return result;\n }\n\n /// @dev Reads nested bytes from a specific position.\n /// @dev NOTE: the returned value overlaps with the input value.\n /// Both should be treated as immutable.\n /// @param b Byte array containing nested bytes.\n /// @param index Index of nested bytes.\n /// @return result Nested bytes.\n function readBytesWithLength(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes memory result)\n {\n // Read length of nested bytes\n uint256 nestedBytesLength = readUint256(b, index);\n index += 32;\n\n // Assert length of is valid, given\n // length of nested bytes\n require(\n b.length >= index + nestedBytesLength,\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n \n // Return a pointer to the byte array as it exists inside `b`\n assembly {\n result := add(b, index)\n }\n return result;\n }\n\n /// @dev Inserts bytes at a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes to insert.\n function writeBytesWithLength(\n bytes memory b,\n uint256 index,\n bytes memory input\n )\n internal\n pure\n {\n // Assert length of is valid, given\n // length of input\n require(\n b.length >= index + 32 + input.length, // 32 bytes to store length\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n\n // Copy into \n memCopy(\n b.contentAddress() + index,\n input.rawAddress(), // includes length of \n input.length + 32 // +32 bytes to store length\n );\n }\n\n /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length.\n /// @param dest Byte array that will be overwritten with source bytes.\n /// @param source Byte array to copy onto dest bytes.\n function deepCopyBytes(\n bytes memory dest,\n bytes memory source\n )\n internal\n pure\n {\n uint256 sourceLen = source.length;\n // Dest length must be >= source length, or some bytes would not be copied.\n require(\n dest.length >= sourceLen,\n \"GREATER_OR_EQUAL_TO_SOURCE_BYTES_LENGTH_REQUIRED\"\n );\n memCopy(\n dest.contentAddress(),\n source.contentAddress(),\n sourceLen\n );\n }\n}\n", + "2.0.0/utils/Ownable/IOwnable.sol": "pragma solidity 0.4.24;\n\n\ncontract IOwnable {\n\n function transferOwnership(address newOwner)\n public;\n}\n", + "2.0.0/utils/Ownable/Ownable.sol": "pragma solidity 0.4.24;\n\nimport \"./IOwnable.sol\";\n\n\ncontract Ownable is\n IOwnable\n{\n address public owner;\n\n constructor ()\n public\n {\n owner = msg.sender;\n }\n\n modifier onlyOwner() {\n require(\n msg.sender == owner,\n \"ONLY_CONTRACT_OWNER\"\n );\n _;\n }\n\n function transferOwnership(address newOwner)\n public\n onlyOwner\n {\n if (newOwner != address(0)) {\n owner = newOwner;\n }\n }\n}\n", + "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ReentrancyGuard {\n\n // Locked state of mutex\n bool private locked = false;\n\n /// @dev Functions with this modifer cannot be reentered. The mutex will be locked\n /// before function execution and unlocked after.\n modifier nonReentrant() {\n // Ensure mutex is unlocked\n require(\n !locked,\n \"REENTRANCY_ILLEGAL\"\n );\n\n // Lock mutex before function call\n locked = true;\n\n // Perform function call\n _;\n\n // Unlock mutex after function call\n locked = false;\n }\n}\n", + "2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n\n function safeMul(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(\n c / a == b,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function safeDiv(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a / b;\n return c;\n }\n\n function safeSub(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n require(\n b <= a,\n \"UINT256_UNDERFLOW\"\n );\n return a - b;\n }\n\n function safeAdd(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a + b;\n require(\n c >= a,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function max64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n\n function max256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n}\n" + }, + "sourceTreeHashHex": "0xee0dcd8415ba0737890f13994332b71d7fbed7c79041929a551c334c497db064", + "compiler": { + "name": "solc", + "version": "soljson-v0.4.24+commit.e67f0147.js", + "settings": { + "optimizer": { + "enabled": true, + "runs": 1000000 + }, + "outputSelection": { + "*": { + "*": [ + "abi", + "evm.bytecode.object", + "evm.bytecode.sourceMap", + "evm.deployedBytecode.object", + "evm.deployedBytecode.sourceMap" + ] + } + } + } + }, + "networks": {} +} \ No newline at end of file diff --git a/packages/migrations/artifacts/2.0.0/ERC721Proxy.json b/packages/migrations/artifacts/2.0.0/ERC721Proxy.json new file mode 100644 index 000000000..2359c0519 --- /dev/null +++ b/packages/migrations/artifacts/2.0.0/ERC721Proxy.json @@ -0,0 +1,481 @@ +{ + "schemaVersion": "2.0.0", + "contractName": "ERC721Proxy", + "compilerOutput": { + "abi": [ + { + "constant": false, + "inputs": [ + { + "name": "target", + "type": "address" + } + ], + "name": "addAuthorizedAddress", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "", + "type": "uint256" + } + ], + "name": "authorities", + "outputs": [ + { + "name": "", + "type": "address" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "target", + "type": "address" + } + ], + "name": "removeAuthorizedAddress", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "owner", + "outputs": [ + { + "name": "", + "type": "address" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "target", + "type": "address" + }, + { + "name": "index", + "type": "uint256" + } + ], + "name": "removeAuthorizedAddressAtIndex", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "getProxyId", + "outputs": [ + { + "name": "", + "type": "bytes4" + } + ], + "payable": false, + "stateMutability": "pure", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "", + "type": "address" + } + ], + "name": "authorized", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "getAuthorizedAddresses", + "outputs": [ + { + "name": "", + "type": "address[]" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "newOwner", + "type": "address" + } + ], + "name": "transferOwnership", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "payable": false, + "stateMutability": "nonpayable", + "type": "fallback" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "target", + "type": "address" + }, + { + "indexed": true, + "name": "caller", + "type": "address" + } + ], + "name": "AuthorizedAddressAdded", + "type": "event" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "target", + "type": "address" + }, + { + "indexed": true, + "name": "caller", + "type": "address" + } + ], + "name": "AuthorizedAddressRemoved", + "type": "event" + } + ], + "evm": { + "bytecode": { + "linkReferences": {}, + "object": 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0x494E4445585F4F55545F4F465F424F554E445300000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x2 DUP3 DUP2 SLOAD DUP2 LT ISZERO ISZERO PUSH2 0xBA8 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ PUSH2 0xC36 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1B PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x415554484F52495A45445F414444524553535F4D49534D415443480000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE PUSH1 0x2 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 ADD SWAP1 DUP2 LT PUSH2 0xCB1 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH1 0x2 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND SWAP2 DUP4 SWAP1 DUP2 LT PUSH2 0xCE4 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP3 SWAP1 SWAP3 AND SWAP2 SWAP1 SWAP2 OR SWAP1 SSTORE PUSH1 0x2 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 PUSH2 0xD63 SWAP1 DUP3 PUSH2 0xF4B JUMP JUMPDEST POP PUSH1 0x40 MLOAD CALLER SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND SWAP1 PUSH32 0x1F32C1B084E2DE0713B8FB16BD46BB9DF710A3DBEAE2F3CA93AF46E016DCC6B0 SWAP1 PUSH1 0x0 SWAP1 LOG3 POP POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x455243373231546F6B656E28616464726573732C75696E743235362900000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x1C ADD SWAP1 KECCAK256 JUMPDEST SWAP1 JUMP JUMPDEST PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x2 DUP1 SLOAD DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP1 SLOAD DUP1 ISZERO PUSH2 0xE5B JUMPI PUSH1 0x20 MUL DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0xE30 JUMPI JUMPDEST POP POP POP POP POP SWAP1 POP SWAP1 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xEEB JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0xF48 JUMPI PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND OR SWAP1 SSTORE JUMPDEST POP JUMP JUMPDEST DUP2 SLOAD DUP2 DUP4 SSTORE DUP2 DUP2 GT ISZERO PUSH2 0xF6F JUMPI PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x20 SWAP1 KECCAK256 PUSH2 0xF6F SWAP2 DUP2 ADD SWAP1 DUP4 ADD PUSH2 0xF74 JUMP JUMPDEST POP POP POP JUMP JUMPDEST PUSH2 0xDDE SWAP2 SWAP1 JUMPDEST DUP1 DUP3 GT ISZERO PUSH2 0xF8E JUMPI PUSH1 0x0 DUP2 SSTORE PUSH1 0x1 ADD PUSH2 0xF7A JUMP JUMPDEST POP SWAP1 JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 MLOAD CALLDATACOPY PUSH27 0xE1CA7B3F3D032510EA8CBA18DC3E6CE467F660AB6B18EDEBEB7804 0x49 0xc6 STOP 0x29 ", + "sourceMap": "641:7861:15:-;;;162:5:55;:18;;-1:-1:-1;;;;;;162:18:55;170:10;162:18;;;641:7861:15;;;;;;" + }, + "deployedBytecode": { + "linkReferences": {}, + "object": 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+ "opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0x98 JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x42F1181E DUP2 EQ PUSH2 0x2BC JUMPI DUP1 PUSH4 0x494503D4 EQ PUSH2 0x2EC JUMPI DUP1 PUSH4 0x70712939 EQ PUSH2 0x32D JUMPI DUP1 PUSH4 0x8DA5CB5B EQ PUSH2 0x35B JUMPI DUP1 PUSH4 0x9AD26744 EQ PUSH2 0x370 JUMPI DUP1 PUSH4 0xAE25532E EQ PUSH2 0x3A1 JUMPI DUP1 PUSH4 0xB9181611 EQ PUSH2 0x3EB JUMPI DUP1 PUSH4 0xD39DE6E9 EQ PUSH2 0x42D JUMPI DUP1 PUSH4 0xF2FDE38B EQ PUSH2 0x492 JUMPI JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xA4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD AND PUSH32 0xA85E59E400000000000000000000000000000000000000000000000000000000 DUP2 EQ ISZERO PUSH2 0x2B7 JUMPI PUSH1 0x40 DUP1 MLOAD CALLER DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP3 ADD MSTORE SWAP1 DUP2 KECCAK256 SLOAD ISZERO ISZERO 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PUSH1 0x64 PUSH1 0x0 DUP1 DUP6 GAS CALL DUP1 ISZERO PUSH2 0x246 JUMPI STOP JUMPDEST PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 PUSH1 0x0 MSTORE PUSH29 0x2000000000000000000000000000000000000000000000000000000000 PUSH1 0x20 MSTORE PUSH29 0xF5452414E534645525F4641494C454400000000000000000000000000 PUSH1 0x40 MSTORE PUSH1 0x0 PUSH1 0x60 MSTORE PUSH1 0x64 PUSH1 0x0 REVERT JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2C8 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2EA PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x4C0 JUMP JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2F8 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x304 PUSH1 0x4 CALLDATALOAD PUSH2 0x6AC JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x339 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2EA PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x6E1 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x367 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x304 PUSH2 0x9DA JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x37C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2EA PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x9F6 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3AD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x3B6 PUSH2 0xDAB JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3F7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x419 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0xDE1 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x439 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x442 PUSH2 0xDF6 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 DUP2 ADD SWAP2 MUL DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x47E JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x466 JUMP JUMPDEST POP POP POP POP SWAP1 POP ADD SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x49E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2EA PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0xE65 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x546 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x5DB JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x19 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x5441524745545F414C52454144595F415554484F52495A454400000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND DUP4 OR SWAP1 SSTORE PUSH1 0x2 DUP1 SLOAD SWAP3 DUP4 ADD DUP2 SSTORE DUP4 MSTORE PUSH32 0x405787FA12A823E0F2B7631CC41B3BA8828B3321CA811111FA75CD3AA3BB5ACE SWAP1 SWAP2 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND DUP5 OR SWAP1 SSTORE MLOAD CALLER SWAP3 SWAP2 PUSH32 0x3147867C59D17E8FA9D522465651D44AAE0A9E38F902F3475B97E58072F0ED4C SWAP2 LOG3 POP JUMP JUMPDEST PUSH1 0x2 DUP1 SLOAD DUP3 SWAP1 DUP2 LT PUSH2 0x6BA JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 POP DUP2 JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x768 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x7FE JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x5441524745545F4E4F545F415554484F52495A45440000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE JUMPDEST PUSH1 0x2 SLOAD DUP2 LT ISZERO PUSH2 0x993 JUMPI DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x2 DUP3 DUP2 SLOAD DUP2 LT ISZERO ISZERO PUSH2 0x87B JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO PUSH2 0x98B JUMPI PUSH1 0x2 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 ADD SWAP1 DUP2 LT PUSH2 0x8D3 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH1 0x2 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND SWAP2 DUP4 SWAP1 DUP2 LT PUSH2 0x906 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP3 SWAP1 SWAP3 AND SWAP2 SWAP1 SWAP2 OR SWAP1 SSTORE PUSH1 0x2 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 PUSH2 0x985 SWAP1 DUP3 PUSH2 0xF4B JUMP JUMPDEST POP PUSH2 0x993 JUMP JUMPDEST PUSH1 0x1 ADD PUSH2 0x84B JUMP JUMPDEST PUSH1 0x40 MLOAD CALLER SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND SWAP1 PUSH32 0x1F32C1B084E2DE0713B8FB16BD46BB9DF710A3DBEAE2F3CA93AF46E016DCC6B0 SWAP1 PUSH1 0x0 SWAP1 LOG3 POP POP JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xA7C JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO ISZERO PUSH2 0xB12 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x5441524745545F4E4F545F415554484F52495A45440000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x2 SLOAD DUP2 LT PUSH2 0xB82 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x494E4445585F4F55545F4F465F424F554E445300000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x2 DUP3 DUP2 SLOAD DUP2 LT ISZERO ISZERO PUSH2 0xBA8 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ PUSH2 0xC36 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x1B PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x415554484F52495A45445F414444524553535F4D49534D415443480000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE PUSH1 0x2 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 ADD SWAP1 DUP2 LT PUSH2 0xCB1 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH1 0x2 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND SWAP2 DUP4 SWAP1 DUP2 LT PUSH2 0xCE4 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP3 SWAP1 SWAP3 AND SWAP2 SWAP1 SWAP2 OR SWAP1 SSTORE PUSH1 0x2 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 PUSH2 0xD63 SWAP1 DUP3 PUSH2 0xF4B JUMP JUMPDEST POP PUSH1 0x40 MLOAD CALLER SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND SWAP1 PUSH32 0x1F32C1B084E2DE0713B8FB16BD46BB9DF710A3DBEAE2F3CA93AF46E016DCC6B0 SWAP1 PUSH1 0x0 SWAP1 LOG3 POP POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x455243373231546F6B656E28616464726573732C75696E743235362900000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x1C ADD SWAP1 KECCAK256 JUMPDEST SWAP1 JUMP JUMPDEST PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x2 DUP1 SLOAD DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP1 SLOAD DUP1 ISZERO PUSH2 0xE5B JUMPI PUSH1 0x20 MUL DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0xE30 JUMPI JUMPDEST POP POP POP POP POP SWAP1 POP SWAP1 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xEEB JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x13 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0xF48 JUMPI PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND OR SWAP1 SSTORE JUMPDEST POP JUMP JUMPDEST DUP2 SLOAD DUP2 DUP4 SSTORE DUP2 DUP2 GT ISZERO PUSH2 0xF6F JUMPI PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x20 SWAP1 KECCAK256 PUSH2 0xF6F SWAP2 DUP2 ADD SWAP1 DUP4 ADD PUSH2 0xF74 JUMP JUMPDEST POP POP POP JUMP JUMPDEST PUSH2 0xDDE SWAP2 SWAP1 JUMPDEST DUP1 DUP3 GT ISZERO PUSH2 0xF8E JUMPI PUSH1 0x0 DUP2 SSTORE PUSH1 0x1 ADD PUSH2 0xF7A JUMP JUMPDEST POP SWAP1 JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 MLOAD CALLDATACOPY PUSH27 0xE1CA7B3F3D032510EA8CBA18DC3E6CE467F660AB6B18EDEBEB7804 0x49 0xc6 STOP 0x29 ", + "sourceMap": 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+ } + } + }, + "sources": { + "2.0.0/extensions/Forwarder/Forwarder.sol": { + "id": 0 + }, + "2.0.0/extensions/Forwarder/MixinAssets.sol": { + "id": 1 + }, + "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": { + "id": 2 + }, + "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": { + "id": 3 + }, + "2.0.0/extensions/Forwarder/MixinWeth.sol": { + "id": 4 + }, + "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": { + "id": 5 + }, + "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": { + "id": 6 + }, + "2.0.0/extensions/Forwarder/libs/LibConstants.sol": { + "id": 7 + }, + "2.0.0/extensions/Forwarder/mixins/MAssets.sol": { + "id": 8 + }, + "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": { + "id": 9 + }, + "2.0.0/extensions/Forwarder/mixins/MWeth.sol": { + "id": 10 + }, + "2.0.0/extensions/OrderValidator/OrderValidator.sol": { + "id": 11 + }, + "2.0.0/multisig/MultiSigWallet.sol": { + "id": 12 + }, + "2.0.0/multisig/MultiSigWalletWithTimeLock.sol": { + "id": 13 + }, + "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": { + "id": 14 + }, + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": { + "id": 15 + }, + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": { + "id": 16 + }, + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": { + "id": 17 + }, + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": { + "id": 18 + }, + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": { + "id": 19 + }, + "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": { + "id": 20 + }, + "2.0.0/protocol/Exchange/Exchange.sol": { + "id": 21 + }, + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": { + "id": 22 + }, + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": { + "id": 23 + }, + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": { + "id": 24 + }, + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": { + "id": 25 + }, + "2.0.0/protocol/Exchange/MixinTransactions.sol": { + "id": 26 + }, + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": { + "id": 27 + }, + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": { + "id": 28 + }, + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": { + "id": 29 + }, + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": { + "id": 30 + }, + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": { + "id": 31 + }, + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": { + "id": 32 + }, + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": { + "id": 33 + }, + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": { + "id": 34 + }, + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": { + "id": 35 + }, + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": { + "id": 36 + }, + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": { + "id": 37 + }, + "2.0.0/protocol/Exchange/libs/LibConstants.sol": { + "id": 38 + }, + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": { + "id": 39 + }, + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": { + "id": 40 + }, + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": { + "id": 41 + }, + "2.0.0/protocol/Exchange/libs/LibMath.sol": { + "id": 42 + }, + "2.0.0/protocol/Exchange/libs/LibOrder.sol": { + "id": 43 + }, + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": { + "id": 44 + }, + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": { + "id": 45 + }, + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": { + "id": 46 + }, + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": { + "id": 47 + }, + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": { + "id": 48 + }, + "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": { + "id": 49 + }, + "2.0.0/tokens/ERC20Token/IERC20Token.sol": { + "id": 50 + }, + "2.0.0/tokens/ERC721Token/IERC721Token.sol": { + "id": 51 + }, + "2.0.0/tokens/EtherToken/IEtherToken.sol": { + "id": 52 + }, + "2.0.0/utils/LibBytes/LibBytes.sol": { + "id": 53 + }, + "2.0.0/utils/Ownable/IOwnable.sol": { + "id": 54 + }, + "2.0.0/utils/Ownable/Ownable.sol": { + "id": 55 + }, + "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": { + "id": 56 + }, + "2.0.0/utils/SafeMath/SafeMath.sol": { + "id": 57 + } + }, + "sourceCodes": { + "2.0.0/extensions/Forwarder/Forwarder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinWeth.sol\";\nimport \"./MixinForwarderCore.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinAssets.sol\";\nimport \"./MixinExchangeWrapper.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Forwarder is\n LibConstants,\n MixinWeth,\n MixinAssets,\n MixinExchangeWrapper,\n MixinForwarderCore\n{\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n LibConstants(\n _exchange,\n _zrxAssetData,\n _wethAssetData\n )\n MixinForwarderCore()\n {}\n}\n", + "2.0.0/extensions/Forwarder/MixinAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MAssets.sol\";\n\n\ncontract MixinAssets is\n Ownable,\n LibConstants,\n MAssets\n{\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256(\"transfer(address,uint256)\"));\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external\n onlyOwner\n {\n transferAssetToSender(assetData, amount);\n }\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n bytes4 proxyId = assetData.readBytes4(0);\n\n if (proxyId == ERC20_DATA_ID) {\n transferERC20Token(assetData, amount);\n } else if (proxyId == ERC721_DATA_ID) {\n transferERC721Token(assetData, amount);\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n }\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n address token = assetData.readAddress(16);\n\n // Transfer tokens.\n // We do a raw call so we can check the success separate\n // from the return data.\n bool success = token.call(abi.encodeWithSelector(\n ERC20_TRANSFER_SELECTOR,\n msg.sender,\n amount\n ));\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n \n // Check return data.\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // value that evaluates to true.\n assembly {\n if returndatasize {\n success := 0\n if eq(returndatasize, 32) {\n // First 64 bytes of memory are reserved scratch space\n returndatacopy(0, 0, 32)\n success := mload(0)\n }\n }\n }\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n }\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n require(\n amount == 1,\n \"INVALID_AMOUNT\"\n );\n // Decode asset data.\n address token = assetData.readAddress(16);\n uint256 tokenId = assetData.readUint256(36);\n\n // Perform transfer.\n IERC721Token(token).transferFrom(\n address(this),\n msg.sender,\n tokenId\n );\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"../../protocol/Exchange/libs/LibAbiEncoder.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinExchangeWrapper is\n LibAbiEncoder,\n LibFillResults,\n LibMath,\n LibConstants,\n MExchangeWrapper\n{\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n address exchange = address(EXCHANGE);\n\n // Call `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := call(\n gas, // forward all gas\n exchange, // call address of Exchange contract\n 0, // transfer 0 wei\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of WETH to sell\n uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of WETH\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount;\n if (makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n\n require(\n makerAssetFilledAmount >= makerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n // Do nothing if zrxBuyAmount == 0\n if (zrxBuyAmount == 0) {\n return totalFillResults;\n }\n\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n uint256 zrxPurchased = 0;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // All of these are ZRX/WETH, so we can drop the respective assetData from calldata.\n orders[i].makerAssetData = zrxAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of ZRX to buy.\n uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased);\n\n // Convert the remaining amount of ZRX to buy into remaining amount\n // of WETH to sell, assuming entire amount can be sold in the current order.\n uint256 remainingWethSellAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees \n remainingZrxBuyAmount\n );\n\n // Attempt to sell the remaining amount of WETH.\n FillResults memory singleFillResult = fillOrderNoThrow(\n orders[i],\n safeAdd(remainingWethSellAmount, 1), // we add 1 wei to the fill amount to make up for rounding errors\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker.\n addFillResults(totalFillResults, singleFillResult);\n zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid);\n\n // Stop execution if the entire amount of ZRX has been bought.\n if (zrxPurchased >= zrxBuyAmount) {\n break;\n }\n }\n\n require(\n zrxPurchased >= zrxBuyAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\nimport \"./mixins/MAssets.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"./interfaces/IForwarderCore.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinForwarderCore is\n LibFillResults,\n LibMath,\n LibConstants,\n MWeth,\n MAssets,\n MExchangeWrapper,\n IForwarderCore\n{\n using LibBytes for bytes;\n\n /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf.\n constructor ()\n public\n {\n address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID);\n require(\n proxyAddress != address(0),\n \"UNREGISTERED_ASSET_PROXY\"\n );\n ETHER_TOKEN.approve(proxyAddress, MAX_UINT);\n ZRX_TOKEN.approve(proxyAddress, MAX_UINT);\n }\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 wethSellAmount;\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // Calculate amount of WETH that won't be spent on ETH fees.\n wethSellAmount = getPartialAmountFloor(\n PERCENTAGE_DENOMINATOR,\n safeAdd(PERCENTAGE_DENOMINATOR, feePercentage),\n msg.value\n );\n // Market sell available WETH.\n // ZRX fees are paid with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // 5% of WETH is reserved for filling feeOrders and paying feeRecipient.\n wethSellAmount = getPartialAmountFloor(\n MAX_WETH_FILL_PERCENTAGE,\n PERCENTAGE_DENOMINATOR,\n msg.value\n );\n // Market sell 95% of WETH.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // If the makerAsset is ZRX, it is not necessary to pay fees out of this\n // contracts's ZRX balance because fees are factored into the price of the order.\n orderFillResults = marketBuyExactZrxWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // Attemp to purchase desired amount of makerAsset.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketBuyExactAmountWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\n\n\ncontract MixinWeth is\n LibMath,\n LibConstants,\n MWeth\n{\n /// @dev Default payabale function, this allows us to withdraw WETH\n function ()\n public\n payable\n {\n require(\n msg.sender == address(ETHER_TOKEN),\n \"DEFAULT_FUNCTION_WETH_CONTRACT_ONLY\"\n );\n }\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal\n {\n require(\n msg.value > 0,\n \"INVALID_MSG_VALUE\"\n );\n ETHER_TOKEN.deposit.value(msg.value)();\n }\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal\n {\n // Ensure feePercentage is less than 5%.\n require(\n feePercentage <= MAX_FEE_PERCENTAGE,\n \"FEE_PERCENTAGE_TOO_LARGE\"\n );\n\n // Ensure that no extra WETH owned by this contract has been sold.\n uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx);\n require(\n wethSold <= msg.value,\n \"OVERSOLD_WETH\"\n );\n\n // Calculate amount of WETH that hasn't been sold.\n uint256 wethRemaining = safeSub(msg.value, wethSold);\n\n // Calculate ETH fee to pay to feeRecipient.\n uint256 ethFee = getPartialAmountFloor(\n feePercentage,\n PERCENTAGE_DENOMINATOR,\n wethSoldExcludingFeeOrders\n );\n\n // Ensure fee is less than amount of WETH remaining.\n require(\n ethFee <= wethRemaining,\n \"INSUFFICIENT_ETH_REMAINING\"\n );\n \n // Do nothing if no WETH remaining\n if (wethRemaining > 0) {\n // Convert remaining WETH to ETH\n ETHER_TOKEN.withdraw(wethRemaining);\n\n // Pay ETH to feeRecipient\n if (ethFee > 0) {\n feeRecipient.transfer(ethFee);\n }\n\n // Refund remaining ETH to msg.sender.\n uint256 ethRefund = safeSub(wethRemaining, ethFee);\n if (ethRefund > 0) {\n msg.sender.transfer(ethRefund);\n }\n }\n }\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssets {\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external;\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract IForwarderCore {\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n}\n", + "2.0.0/extensions/Forwarder/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/LibBytes/LibBytes.sol\";\nimport \"../../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../../tokens/EtherToken/IEtherToken.sol\";\nimport \"../../../tokens/ERC20Token/IERC20Token.sol\";\n\n\ncontract LibConstants {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n uint256 constant internal MAX_UINT = 2**256 - 1;\n uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; \n uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5%\n uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95%\n \n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n IEtherToken internal ETHER_TOKEN;\n IERC20Token internal ZRX_TOKEN;\n bytes internal ZRX_ASSET_DATA;\n bytes internal WETH_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n WETH_ASSET_DATA = _wethAssetData;\n\n address etherToken = _wethAssetData.readAddress(16);\n address zrxToken = _zrxAssetData.readAddress(16);\n ETHER_TOKEN = IEtherToken(etherToken);\n ZRX_TOKEN = IERC20Token(zrxToken);\n }\n}\n", + "2.0.0/extensions/Forwarder/mixins/MAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssets.sol\";\n\n\ncontract MAssets is\n IAssets\n{\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract MExchangeWrapper {\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n}\n", + "2.0.0/extensions/Forwarder/mixins/MWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract MWeth {\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal;\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal;\n}\n", + "2.0.0/extensions/OrderValidator/OrderValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract OrderValidator {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n struct TraderInfo {\n uint256 makerBalance; // Maker's balance of makerAsset\n uint256 makerAllowance; // Maker's allowance to corresponding AssetProxy\n uint256 takerBalance; // Taker's balance of takerAsset\n uint256 takerAllowance; // Taker's allowance to corresponding AssetProxy\n uint256 makerZrxBalance; // Maker's balance of ZRX\n uint256 makerZrxAllowance; // Maker's allowance of ZRX to ERC20Proxy\n uint256 takerZrxBalance; // Taker's balance of ZRX\n uint256 takerZrxAllowance; // Taker's allowance of ZRX to ERC20Proxy\n }\n\n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n bytes internal ZRX_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (address _exchange, bytes memory _zrxAssetData)\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n }\n\n /// @dev Fetches information for order and maker/taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return OrderInfo and TraderInfo instances for given order.\n function getOrderAndTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo, TraderInfo memory traderInfo)\n {\n orderInfo = EXCHANGE.getOrderInfo(order);\n traderInfo = getTraderInfo(order, takerAddress);\n return (orderInfo, traderInfo);\n }\n\n /// @dev Fetches information for all passed in orders and the makers/takers of each order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Arrays of OrderInfo and TraderInfo instances that correspond to each order.\n function getOrdersAndTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (LibOrder.OrderInfo[] memory ordersInfo, TraderInfo[] memory tradersInfo)\n {\n ordersInfo = EXCHANGE.getOrdersInfo(orders);\n tradersInfo = getTradersInfo(orders, takerAddresses);\n return (ordersInfo, tradersInfo);\n }\n\n /// @dev Fetches balance and allowances for maker and taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return Balances and allowances of maker and taker of order.\n function getTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (TraderInfo memory traderInfo)\n {\n (traderInfo.makerBalance, traderInfo.makerAllowance) = getBalanceAndAllowance(order.makerAddress, order.makerAssetData);\n (traderInfo.takerBalance, traderInfo.takerAllowance) = getBalanceAndAllowance(takerAddress, order.takerAssetData);\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n (traderInfo.makerZrxBalance, traderInfo.makerZrxAllowance) = getBalanceAndAllowance(order.makerAddress, zrxAssetData);\n (traderInfo.takerZrxBalance, traderInfo.takerZrxAllowance) = getBalanceAndAllowance(takerAddress, zrxAssetData);\n return traderInfo;\n }\n\n /// @dev Fetches balances and allowances of maker and taker for each provided order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Array of balances and allowances for maker and taker of each order.\n function getTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (TraderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n TraderInfo[] memory tradersInfo = new TraderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n tradersInfo[i] = getTraderInfo(orders[i], takerAddresses[i]);\n }\n return tradersInfo;\n }\n\n /// @dev Fetches token balances and allowances of an address to given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Encoded data that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balance of asset and allowance set to given proxy of asset.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalanceAndAllowance(address target, bytes memory assetData)\n public\n view\n returns (uint256 balance, uint256 allowance)\n {\n bytes4 assetProxyId = assetData.readBytes4(0);\n address token = assetData.readAddress(16);\n address assetProxy = EXCHANGE.getAssetProxy(assetProxyId);\n\n if (assetProxyId == ERC20_DATA_ID) {\n // Query balance\n balance = IERC20Token(token).balanceOf(target);\n\n // Query allowance\n allowance = IERC20Token(token).allowance(target, assetProxy);\n } else if (assetProxyId == ERC721_DATA_ID) {\n uint256 tokenId = assetData.readUint256(36);\n\n // Query owner of tokenId\n address owner = getERC721TokenOwner(token, tokenId);\n\n // Set balance to 1 if tokenId is owned by target\n balance = target == owner ? 1 : 0;\n\n // Check if ERC721Proxy is approved to spend tokenId\n bool isApproved = IERC721Token(token).isApprovedForAll(target, assetProxy) || IERC721Token(token).getApproved(tokenId) == assetProxy;\n \n // Set alowance to 1 if ERC721Proxy is approved to spend tokenId\n allowance = isApproved ? 1 : 0;\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n return (balance, allowance);\n }\n\n /// @dev Fetches token balances and allowances of an address for each given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Array of encoded byte arrays that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balances and allowances of assets.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalancesAndAllowances(address target, bytes[] memory assetData)\n public\n view\n returns (uint256[] memory, uint256[] memory)\n {\n uint256 length = assetData.length;\n uint256[] memory balances = new uint256[](length);\n uint256[] memory allowances = new uint256[](length);\n for (uint256 i = 0; i != length; i++) {\n (balances[i], allowances[i]) = getBalanceAndAllowance(target, assetData[i]);\n }\n return (balances, allowances);\n }\n\n /// @dev Calls `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token.\n /// @param token Address of ERC721 token.\n /// @param tokenId The identifier for the specific NFT.\n /// @return Owner of tokenId or null address if unowned.\n function getERC721TokenOwner(address token, uint256 tokenId)\n public\n view\n returns (address owner)\n {\n assembly {\n // load free memory pointer\n let cdStart := mload(64)\n\n // bytes4(keccak256(ownerOf(uint256))) = 0x6352211e\n mstore(cdStart, 0x6352211e00000000000000000000000000000000000000000000000000000000)\n mstore(add(cdStart, 4), tokenId)\n\n // staticcall `ownerOf(tokenId)`\n // `ownerOf` will revert if tokenId is not owned\n let success := staticcall(\n gas, // forward all gas\n token, // call token contract\n cdStart, // start of calldata\n 36, // length of input is 36 bytes\n cdStart, // write output over input\n 32 // size of output is 32 bytes\n )\n\n // Success implies that tokenId is owned\n // Copy owner from return data if successful\n if success {\n owner := mload(cdStart)\n } \n }\n\n // Owner initialized to address(0), no need to modify if call is unsuccessful\n return owner;\n }\n}\n", + "2.0.0/multisig/MultiSigWallet.sol": "// solhint-disable\npragma solidity ^0.4.15;\n\n\n/// @title Multisignature wallet - Allows multiple parties to agree on transactions before execution.\n/// @author Stefan George - \ncontract MultiSigWallet {\n\n /*\n * Events\n */\n event Confirmation(address indexed sender, uint indexed transactionId);\n event Revocation(address indexed sender, uint indexed transactionId);\n event Submission(uint indexed transactionId);\n event Execution(uint indexed transactionId);\n event ExecutionFailure(uint indexed transactionId);\n event Deposit(address indexed sender, uint value);\n event OwnerAddition(address indexed owner);\n event OwnerRemoval(address indexed owner);\n event RequirementChange(uint required);\n\n /*\n * Constants\n */\n uint constant public MAX_OWNER_COUNT = 50;\n\n /*\n * Storage\n */\n mapping (uint => Transaction) public transactions;\n mapping (uint => mapping (address => bool)) public confirmations;\n mapping (address => bool) public isOwner;\n address[] public owners;\n uint public required;\n uint public transactionCount;\n\n struct Transaction {\n address destination;\n uint value;\n bytes data;\n bool executed;\n }\n\n /*\n * Modifiers\n */\n modifier onlyWallet() {\n require(msg.sender == address(this));\n _;\n }\n\n modifier ownerDoesNotExist(address owner) {\n require(!isOwner[owner]);\n _;\n }\n\n modifier ownerExists(address owner) {\n require(isOwner[owner]);\n _;\n }\n\n modifier transactionExists(uint transactionId) {\n require(transactions[transactionId].destination != 0);\n _;\n }\n\n modifier confirmed(uint transactionId, address owner) {\n require(confirmations[transactionId][owner]);\n _;\n }\n\n modifier notConfirmed(uint transactionId, address owner) {\n require(!confirmations[transactionId][owner]);\n _;\n }\n\n modifier notExecuted(uint transactionId) {\n require(!transactions[transactionId].executed);\n _;\n }\n\n modifier notNull(address _address) {\n require(_address != 0);\n _;\n }\n\n modifier validRequirement(uint ownerCount, uint _required) {\n require(ownerCount <= MAX_OWNER_COUNT\n && _required <= ownerCount\n && _required != 0\n && ownerCount != 0);\n _;\n }\n\n /// @dev Fallback function allows to deposit ether.\n function()\n payable\n {\n if (msg.value > 0)\n Deposit(msg.sender, msg.value);\n }\n\n /*\n * Public functions\n */\n /// @dev Contract constructor sets initial owners and required number of confirmations.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n function MultiSigWallet(address[] _owners, uint _required)\n public\n validRequirement(_owners.length, _required)\n {\n for (uint i=0; i<_owners.length; i++) {\n require(!isOwner[_owners[i]] && _owners[i] != 0);\n isOwner[_owners[i]] = true;\n }\n owners = _owners;\n required = _required;\n }\n\n /// @dev Allows to add a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of new owner.\n function addOwner(address owner)\n public\n onlyWallet\n ownerDoesNotExist(owner)\n notNull(owner)\n validRequirement(owners.length + 1, required)\n {\n isOwner[owner] = true;\n owners.push(owner);\n OwnerAddition(owner);\n }\n\n /// @dev Allows to remove an owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner.\n function removeOwner(address owner)\n public\n onlyWallet\n ownerExists(owner)\n {\n isOwner[owner] = false;\n for (uint i=0; i owners.length)\n changeRequirement(owners.length);\n OwnerRemoval(owner);\n }\n\n /// @dev Allows to replace an owner with a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner to be replaced.\n /// @param newOwner Address of new owner.\n function replaceOwner(address owner, address newOwner)\n public\n onlyWallet\n ownerExists(owner)\n ownerDoesNotExist(newOwner)\n {\n for (uint i=0; i\n// solhint-disable not-rely-on-time\ncontract MultiSigWalletWithTimeLock is\n MultiSigWallet\n{\n event ConfirmationTimeSet(uint256 indexed transactionId, uint256 confirmationTime);\n event TimeLockChange(uint256 secondsTimeLocked);\n\n uint256 public secondsTimeLocked;\n\n mapping (uint256 => uint256) public confirmationTimes;\n\n modifier notFullyConfirmed(uint256 transactionId) {\n require(\n !isConfirmed(transactionId),\n \"TX_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier fullyConfirmed(uint256 transactionId) {\n require(\n isConfirmed(transactionId),\n \"TX_NOT_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier pastTimeLock(uint256 transactionId) {\n require(\n block.timestamp >= confirmationTimes[transactionId] + secondsTimeLocked,\n \"TIME_LOCK_INCOMPLETE\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations, and time lock.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] _owners,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWallet(_owners, _required)\n {\n secondsTimeLocked = _secondsTimeLocked;\n }\n\n /// @dev Changes the duration of the time lock for transactions.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n function changeTimeLock(uint256 _secondsTimeLocked)\n public\n onlyWallet\n {\n secondsTimeLocked = _secondsTimeLocked;\n emit TimeLockChange(_secondsTimeLocked);\n }\n\n /// @dev Allows an owner to confirm a transaction.\n /// @param transactionId Transaction ID.\n function confirmTransaction(uint256 transactionId)\n public\n ownerExists(msg.sender)\n transactionExists(transactionId)\n notConfirmed(transactionId, msg.sender)\n notFullyConfirmed(transactionId)\n {\n confirmations[transactionId][msg.sender] = true;\n emit Confirmation(msg.sender, transactionId);\n if (isConfirmed(transactionId)) {\n setConfirmationTime(transactionId, block.timestamp);\n }\n }\n\n /// @dev Allows anyone to execute a confirmed transaction.\n /// @param transactionId Transaction ID.\n function executeTransaction(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n pastTimeLock(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n\n /// @dev Sets the time of when a submission first passed.\n function setConfirmationTime(uint256 transactionId, uint256 confirmationTime)\n internal\n {\n confirmationTimes[transactionId] = confirmationTime;\n emit ConfirmationTimeSet(transactionId, confirmationTime);\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC20Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n \n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 1 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n\n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. amount |\n\n /////// Read token address from calldata ///////\n // * The token address is stored in `assetData`.\n //\n // * The \"offset to assetData\" is stored at offset 4 in the calldata (table 1).\n // [assetDataOffsetFromParams = calldataload(4)]\n //\n // * Notes that the \"offset to assetData\" is relative to the \"Params\" area of calldata;\n // add 4 bytes to account for the length of the \"Header\" area (table 1).\n // [assetDataOffsetFromHeader = assetDataOffsetFromParams + 4]\n //\n // * The \"token address\" is offset 32+4=36 bytes into \"assetData\" (tables 1 & 2).\n // [tokenOffset = assetDataOffsetFromHeader + 36 = calldataload(4) + 4 + 36]\n let token := calldataload(add(calldataload(4), 40))\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from`, `to` and `amount` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 96)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output over input\n 32 // output size should be 32 bytes\n )\n\n /////// Check return data. ///////\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // nonzero 32 bytes value.\n // So the transfer succeeded if the call succeeded and either\n // returned nothing, or returned a non-zero 32 byte value. \n success := and(success, or(\n iszero(returndatasize),\n and(\n eq(returndatasize, 32),\n gt(mload(0), 0)\n )\n ))\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC721Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 2 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n // | | 36 | | 2. tokenId |\n \n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. tokenId |\n\n // There exists only 1 of each token.\n // require(amount == 1, \"INVALID_AMOUNT\")\n if sub(calldataload(100), 1) {\n // Revert with `Error(\"INVALID_AMOUNT\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from` and `to` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 64)\n\n // Copy `tokenId` field from our own calldata to the new calldata.\n let assetDataOffset := calldataload(4)\n calldatacopy(68, add(assetDataOffset, 72), 32)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let token := calldataload(add(assetDataOffset, 40))\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output to null\n 0 // output size is 0 bytes\n )\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAuthorizable.sol\";\n\n\ncontract MixinAuthorizable is\n Ownable,\n MAuthorizable\n{\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized {\n require(\n authorized[msg.sender],\n \"SENDER_NOT_AUTHORIZED\"\n );\n _;\n }\n\n mapping (address => bool) public authorized;\n address[] public authorities;\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n !authorized[target],\n \"TARGET_ALREADY_AUTHORIZED\"\n );\n\n authorized[target] = true;\n authorities.push(target);\n emit AuthorizedAddressAdded(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n\n delete authorized[target];\n for (uint256 i = 0; i < authorities.length; i++) {\n if (authorities[i] == target) {\n authorities[i] = authorities[authorities.length - 1];\n authorities.length -= 1;\n break;\n }\n }\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n require(\n index < authorities.length,\n \"INDEX_OUT_OF_BOUNDS\"\n );\n require(\n authorities[index] == target,\n \"AUTHORIZED_ADDRESS_MISMATCH\"\n );\n\n delete authorized[target];\n authorities[index] = authorities[authorities.length - 1];\n authorities.length -= 1;\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory)\n {\n return authorities;\n }\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IAuthorizable.sol\";\n\n\ncontract IAssetProxy is\n IAuthorizable\n{\n /// @dev Transfers assets. Either succeeds or throws.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n function transferFrom(\n bytes assetData,\n address from,\n address to,\n uint256 amount\n )\n external;\n \n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4);\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/Ownable/IOwnable.sol\";\n\n\ncontract IAuthorizable is\n IOwnable\n{\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external;\n \n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory);\n}\n", + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAuthorizable.sol\";\n\n\ncontract MAuthorizable is\n IAuthorizable\n{\n // Event logged when a new address is authorized.\n event AuthorizedAddressAdded(\n address indexed target,\n address indexed caller\n );\n\n // Event logged when a currently authorized address is unauthorized.\n event AuthorizedAddressRemoved(\n address indexed target,\n address indexed caller\n );\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized { revert(); _; }\n}\n", + "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../multisig/MultiSigWalletWithTimeLock.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract AssetProxyOwner is\n MultiSigWalletWithTimeLock\n{\n using LibBytes for bytes;\n\n event AssetProxyRegistration(address assetProxyContract, bool isRegistered);\n\n // Mapping of AssetProxy contract address =>\n // if this contract is allowed to call the AssetProxy's `removeAuthorizedAddressAtIndex` method without a time lock.\n mapping (address => bool) public isAssetProxyRegistered;\n\n bytes4 constant internal REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR = bytes4(keccak256(\"removeAuthorizedAddressAtIndex(address,uint256)\"));\n\n /// @dev Function will revert if the transaction does not call `removeAuthorizedAddressAtIndex`\n /// on an approved AssetProxy contract.\n modifier validRemoveAuthorizedAddressAtIndexTx(uint256 transactionId) {\n Transaction storage txn = transactions[transactionId];\n require(\n isAssetProxyRegistered[txn.destination],\n \"UNREGISTERED_ASSET_PROXY\"\n );\n require(\n txn.data.readBytes4(0) == REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR,\n \"INVALID_FUNCTION_SELECTOR\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations,\n /// time lock, and list of AssetProxy addresses.\n /// @param _owners List of initial owners.\n /// @param _assetProxyContracts Array of AssetProxy contract addresses.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] memory _owners,\n address[] memory _assetProxyContracts,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWalletWithTimeLock(_owners, _required, _secondsTimeLocked)\n {\n for (uint256 i = 0; i < _assetProxyContracts.length; i++) {\n address assetProxy = _assetProxyContracts[i];\n require(\n assetProxy != address(0),\n \"INVALID_ASSET_PROXY\"\n );\n isAssetProxyRegistered[assetProxy] = true;\n }\n }\n\n /// @dev Registers or deregisters an AssetProxy to be able to execute\n /// `removeAuthorizedAddressAtIndex` without a timelock.\n /// @param assetProxyContract Address of AssetProxy contract.\n /// @param isRegistered Status of approval for AssetProxy contract.\n function registerAssetProxy(address assetProxyContract, bool isRegistered)\n public\n onlyWallet\n notNull(assetProxyContract)\n {\n isAssetProxyRegistered[assetProxyContract] = isRegistered;\n emit AssetProxyRegistration(assetProxyContract, isRegistered);\n }\n\n /// @dev Allows execution of `removeAuthorizedAddressAtIndex` without time lock.\n /// @param transactionId Transaction ID.\n function executeRemoveAuthorizedAddressAtIndex(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n validRemoveAuthorizedAddressAtIndexTx(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n}\n", + "2.0.0/protocol/Exchange/Exchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinExchangeCore.sol\";\nimport \"./MixinSignatureValidator.sol\";\nimport \"./MixinWrapperFunctions.sol\";\nimport \"./MixinAssetProxyDispatcher.sol\";\nimport \"./MixinTransactions.sol\";\nimport \"./MixinMatchOrders.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Exchange is\n MixinExchangeCore,\n MixinMatchOrders,\n MixinSignatureValidator,\n MixinTransactions,\n MixinAssetProxyDispatcher,\n MixinWrapperFunctions\n{\n string constant public VERSION = \"2.0.0\";\n\n // Mixins are instantiated in the order they are inherited\n constructor ()\n public\n MixinExchangeCore()\n MixinMatchOrders()\n MixinSignatureValidator()\n MixinTransactions()\n MixinAssetProxyDispatcher()\n MixinWrapperFunctions()\n {}\n}\n", + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\nimport \"../AssetProxy/interfaces/IAssetProxy.sol\";\n\n\ncontract MixinAssetProxyDispatcher is\n Ownable,\n MAssetProxyDispatcher\n{\n // Mapping from Asset Proxy Id's to their respective Asset Proxy\n mapping (bytes4 => IAssetProxy) public assetProxies;\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external\n onlyOwner\n {\n IAssetProxy assetProxyContract = IAssetProxy(assetProxy);\n\n // Ensure that no asset proxy exists with current id.\n bytes4 assetProxyId = assetProxyContract.getProxyId();\n address currentAssetProxy = assetProxies[assetProxyId];\n require(\n currentAssetProxy == address(0),\n \"ASSET_PROXY_ALREADY_EXISTS\"\n );\n\n // Add asset proxy and log registration.\n assetProxies[assetProxyId] = assetProxyContract;\n emit AssetProxyRegistered(\n assetProxyId,\n assetProxy\n );\n }\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address)\n {\n return assetProxies[assetProxyId];\n }\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal\n {\n // Do nothing if no amount should be transferred.\n if (amount > 0 && from != to) {\n // Ensure assetData length is valid\n require(\n assetData.length > 3,\n \"LENGTH_GREATER_THAN_3_REQUIRED\"\n );\n \n // Lookup assetProxy. We do not use `LibBytes.readBytes4` for gas efficiency reasons.\n bytes4 assetProxyId;\n assembly {\n assetProxyId := and(mload(\n add(assetData, 32)),\n 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000\n )\n }\n address assetProxy = assetProxies[assetProxyId];\n\n // Ensure that assetProxy exists\n require(\n assetProxy != address(0),\n \"ASSET_PROXY_DOES_NOT_EXIST\"\n );\n \n // We construct calldata for the `assetProxy.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n\n assembly {\n /////// Setup State ///////\n // `cdStart` is the start of the calldata for `assetProxy.transferFrom` (equal to free memory ptr).\n let cdStart := mload(64)\n // `dataAreaLength` is the total number of words needed to store `assetData`\n // As-per the ABI spec, this value is padded up to the nearest multiple of 32,\n // and includes 32-bytes for length.\n let dataAreaLength := and(add(mload(assetData), 63), 0xFFFFFFFFFFFE0)\n // `cdEnd` is the end of the calldata for `assetProxy.transferFrom`.\n let cdEnd := add(cdStart, add(132, dataAreaLength))\n\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFromSelector`.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes.\n // Notes:\n // 1. The offset to `assetData` is the length of the Params Area (128 bytes).\n // 2. A 20-byte mask is applied to addresses to zero-out the unused bytes.\n mstore(add(cdStart, 4), 128)\n mstore(add(cdStart, 36), and(from, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 68), and(to, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 100), amount)\n \n /////// Setup Data Area ///////\n // This area holds `assetData`.\n let dataArea := add(cdStart, 132)\n // solhint-disable-next-line no-empty-blocks\n for {} lt(dataArea, cdEnd) {} {\n mstore(dataArea, mload(assetData))\n dataArea := add(dataArea, 32)\n assetData := add(assetData, 32)\n }\n\n /////// Call `assetProxy.transferFrom` using the constructed calldata ///////\n let success := call(\n gas, // forward all gas\n assetProxy, // call address of asset proxy\n 0, // don't send any ETH\n cdStart, // pointer to start of input\n sub(cdEnd, cdStart), // length of input \n cdStart, // write output over input\n 512 // reserve 512 bytes for output\n )\n if iszero(success) {\n revert(cdStart, returndatasize())\n }\n }\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinExchangeCore is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n LibOrder,\n LibFillResults,\n MAssetProxyDispatcher,\n MExchangeCore,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of orderHash => amount of takerAsset already bought by maker\n mapping (bytes32 => uint256) public filled;\n\n // Mapping of orderHash => cancelled\n mapping (bytes32 => bool) public cancelled;\n\n // Mapping of makerAddress => senderAddress => lowest salt an order can have in order to be fillable\n // Orders with specified senderAddress and with a salt less than their epoch are considered cancelled\n mapping (address => mapping (address => uint256)) public orderEpoch;\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external\n nonReentrant\n {\n address makerAddress = getCurrentContextAddress();\n // If this function is called via `executeTransaction`, we only update the orderEpoch for the makerAddress/msg.sender combination.\n // This allows external filter contracts to add rules to how orders are cancelled via this function.\n address senderAddress = makerAddress == msg.sender ? address(0) : msg.sender;\n\n // orderEpoch is initialized to 0, so to cancelUpTo we need salt + 1\n uint256 newOrderEpoch = targetOrderEpoch + 1; \n uint256 oldOrderEpoch = orderEpoch[makerAddress][senderAddress];\n\n // Ensure orderEpoch is monotonically increasing\n require(\n newOrderEpoch > oldOrderEpoch, \n \"INVALID_NEW_ORDER_EPOCH\"\n );\n\n // Update orderEpoch\n orderEpoch[makerAddress][senderAddress] = newOrderEpoch;\n emit CancelUpTo(\n makerAddress,\n senderAddress,\n newOrderEpoch\n );\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrder(Order memory order)\n public\n nonReentrant\n {\n cancelOrderInternal(order);\n }\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(Order memory order)\n public\n view\n returns (OrderInfo memory orderInfo)\n {\n // Compute the order hash\n orderInfo.orderHash = getOrderHash(order);\n\n // Fetch filled amount\n orderInfo.orderTakerAssetFilledAmount = filled[orderInfo.orderHash];\n\n // If order.makerAssetAmount is zero, we also reject the order.\n // While the Exchange contract handles them correctly, they create\n // edge cases in the supporting infrastructure because they have\n // an 'infinite' price when computed by a simple division.\n if (order.makerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_MAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // If order.takerAssetAmount is zero, then the order will always\n // be considered filled because 0 == takerAssetAmount == orderTakerAssetFilledAmount\n // Instead of distinguishing between unfilled and filled zero taker\n // amount orders, we choose not to support them.\n if (order.takerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_TAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // Validate order availability\n if (orderInfo.orderTakerAssetFilledAmount >= order.takerAssetAmount) {\n orderInfo.orderStatus = uint8(OrderStatus.FULLY_FILLED);\n return orderInfo;\n }\n\n // Validate order expiration\n // solhint-disable-next-line not-rely-on-time\n if (block.timestamp >= order.expirationTimeSeconds) {\n orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);\n return orderInfo;\n }\n\n // Check if order has been cancelled\n if (cancelled[orderInfo.orderHash]) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n if (orderEpoch[order.makerAddress][order.senderAddress] > order.salt) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n\n // All other statuses are ruled out: order is Fillable\n orderInfo.orderStatus = uint8(OrderStatus.FILLABLE);\n return orderInfo;\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // Fetch order info\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Assert that the order is fillable by taker\n assertFillableOrder(\n order,\n orderInfo,\n takerAddress,\n signature\n );\n \n // Get amount of takerAsset to fill\n uint256 remainingTakerAssetAmount = safeSub(order.takerAssetAmount, orderInfo.orderTakerAssetFilledAmount);\n uint256 takerAssetFilledAmount = min256(takerAssetFillAmount, remainingTakerAssetAmount);\n\n // Validate context\n assertValidFill(\n order,\n orderInfo,\n takerAssetFillAmount,\n takerAssetFilledAmount,\n fillResults.makerAssetFilledAmount\n );\n\n // Compute proportional fill amounts\n fillResults = calculateFillResults(order, takerAssetFilledAmount);\n\n // Update exchange internal state\n updateFilledState(\n order,\n takerAddress,\n orderInfo.orderHash,\n orderInfo.orderTakerAssetFilledAmount,\n fillResults\n );\n \n // Settle order\n settleOrder(\n order,\n takerAddress,\n fillResults\n );\n\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrderInternal(Order memory order)\n internal\n {\n // Fetch current order status\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Validate context\n assertValidCancel(order, orderInfo);\n\n // Perform cancel\n updateCancelledState(order, orderInfo.orderHash);\n }\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n function updateFilledState(\n Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n FillResults memory fillResults\n )\n internal\n {\n // Update state\n filled[orderHash] = safeAdd(orderTakerAssetFilledAmount, fillResults.takerAssetFilledAmount);\n\n // Log order\n emit Fill(\n order.makerAddress,\n order.feeRecipientAddress,\n takerAddress,\n msg.sender,\n fillResults.makerAssetFilledAmount,\n fillResults.takerAssetFilledAmount,\n fillResults.makerFeePaid,\n fillResults.takerFeePaid,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n Order memory order,\n bytes32 orderHash\n )\n internal\n {\n // Perform cancel\n cancelled[orderHash] = true;\n\n // Log cancel\n emit Cancel(\n order.makerAddress,\n order.feeRecipientAddress,\n msg.sender,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n Order memory order,\n OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view\n {\n // An order can only be filled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n \n // Validate sender is allowed to fill this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n \n // Validate taker is allowed to fill this order\n if (order.takerAddress != address(0)) {\n require(\n order.takerAddress == takerAddress,\n \"INVALID_TAKER\"\n );\n }\n \n // Validate Maker signature (check only if first time seen)\n if (orderInfo.orderTakerAssetFilledAmount == 0) {\n require(\n isValidSignature(\n orderInfo.orderHash,\n order.makerAddress,\n signature\n ),\n \"INVALID_ORDER_SIGNATURE\"\n );\n }\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n Order memory order,\n OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount, // TODO: use FillResults\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view\n {\n // Revert if fill amount is invalid\n // TODO: reconsider necessity for v2.1\n require(\n takerAssetFillAmount != 0,\n \"INVALID_TAKER_AMOUNT\"\n );\n \n // Make sure taker does not pay more than desired amount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n takerAssetFilledAmount <= takerAssetFillAmount,\n \"TAKER_OVERPAY\"\n );\n \n // Make sure order is not overfilled\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeAdd(orderInfo.orderTakerAssetFilledAmount, takerAssetFilledAmount) <= order.takerAssetAmount,\n \"ORDER_OVERFILL\"\n );\n \n // Make sure order is filled at acceptable price.\n // The order has an implied price from the makers perspective:\n // order price = order.makerAssetAmount / order.takerAssetAmount\n // i.e. the number of makerAsset maker is paying per takerAsset. The\n // maker is guaranteed to get this price or a better (lower) one. The\n // actual price maker is getting in this fill is:\n // fill price = makerAssetFilledAmount / takerAssetFilledAmount\n // We need `fill price <= order price` for the fill to be fair to maker.\n // This amounts to:\n // makerAssetFilledAmount order.makerAssetAmount\n // ------------------------ <= -----------------------\n // takerAssetFilledAmount order.takerAssetAmount\n // or, equivalently:\n // makerAssetFilledAmount * order.takerAssetAmount <=\n // order.makerAssetAmount * takerAssetFilledAmount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeMul(makerAssetFilledAmount, order.takerAssetAmount)\n <= \n safeMul(order.makerAssetAmount, takerAssetFilledAmount),\n \"INVALID_FILL_PRICE\"\n );\n }\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n Order memory order,\n OrderInfo memory orderInfo\n )\n internal\n view\n {\n // Ensure order is valid\n // An order can only be cancelled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Validate sender is allowed to cancel this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate transaction signed by maker\n address makerAddress = getCurrentContextAddress();\n require(\n order.makerAddress == makerAddress,\n \"INVALID_MAKER\"\n );\n }\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (FillResults memory fillResults)\n {\n // Compute proportional transfer amounts\n fillResults.takerAssetFilledAmount = takerAssetFilledAmount;\n fillResults.makerAssetFilledAmount = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n );\n fillResults.makerFeePaid = safeGetPartialAmountFloor(\n fillResults.makerAssetFilledAmount,\n order.makerAssetAmount,\n order.makerFee\n );\n fillResults.takerFeePaid = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.takerFee\n );\n\n return fillResults;\n }\n\n /// @dev Settles an order by transferring assets between counterparties.\n /// @param order Order struct containing order specifications.\n /// @param takerAddress Address selling takerAsset and buying makerAsset.\n /// @param fillResults Amounts to be filled and fees paid by maker and taker.\n function settleOrder(\n LibOrder.Order memory order,\n address takerAddress,\n LibFillResults.FillResults memory fillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n dispatchTransferFrom(\n order.makerAssetData,\n order.makerAddress,\n takerAddress,\n fillResults.makerAssetFilledAmount\n );\n dispatchTransferFrom(\n order.takerAssetData,\n takerAddress,\n order.makerAddress,\n fillResults.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n zrxAssetData,\n order.makerAddress,\n order.feeRecipientAddress,\n fillResults.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n order.feeRecipientAddress,\n fillResults.takerFeePaid\n );\n }\n}\n", + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": "/*\n Copyright 2018 ZeroEx Intl.\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n http://www.apache.org/licenses/LICENSE-2.0\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MMatchOrders.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinMatchOrders is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n MAssetProxyDispatcher,\n MExchangeCore,\n MMatchOrders,\n MTransactions\n{\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n nonReentrant\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We assume that rightOrder.takerAssetData == leftOrder.makerAssetData and rightOrder.makerAssetData == leftOrder.takerAssetData.\n // If this assumption isn't true, the match will fail at signature validation.\n rightOrder.makerAssetData = leftOrder.takerAssetData;\n rightOrder.takerAssetData = leftOrder.makerAssetData;\n\n // Get left & right order info\n LibOrder.OrderInfo memory leftOrderInfo = getOrderInfo(leftOrder);\n LibOrder.OrderInfo memory rightOrderInfo = getOrderInfo(rightOrder);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Either our context is valid or we revert\n assertFillableOrder(\n leftOrder,\n leftOrderInfo,\n takerAddress,\n leftSignature\n );\n assertFillableOrder(\n rightOrder,\n rightOrderInfo,\n takerAddress,\n rightSignature\n );\n assertValidMatch(leftOrder, rightOrder);\n\n // Compute proportional fill amounts\n matchedFillResults = calculateMatchedFillResults(\n leftOrder,\n rightOrder,\n leftOrderInfo.orderTakerAssetFilledAmount,\n rightOrderInfo.orderTakerAssetFilledAmount\n );\n\n // Validate fill contexts\n assertValidFill(\n leftOrder,\n leftOrderInfo,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.makerAssetFilledAmount\n );\n assertValidFill(\n rightOrder,\n rightOrderInfo,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n \n // Update exchange state\n updateFilledState(\n leftOrder,\n takerAddress,\n leftOrderInfo.orderHash,\n leftOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.left\n );\n updateFilledState(\n rightOrder,\n takerAddress,\n rightOrderInfo.orderHash,\n rightOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.right\n );\n\n // Settle matched orders. Succeeds or throws.\n settleMatchedOrders(\n leftOrder,\n rightOrder,\n takerAddress,\n matchedFillResults\n );\n\n return matchedFillResults;\n }\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure\n {\n // Make sure there is a profitable spread.\n // There is a profitable spread iff the cost per unit bought (OrderA.MakerAmount/OrderA.TakerAmount) for each order is greater\n // than the profit per unit sold of the matched order (OrderB.TakerAmount/OrderB.MakerAmount).\n // This is satisfied by the equations below:\n // / >= / \n // AND\n // / >= / \n // These equations can be combined to get the following:\n require(\n safeMul(leftOrder.makerAssetAmount, rightOrder.makerAssetAmount) >=\n safeMul(leftOrder.takerAssetAmount, rightOrder.takerAssetAmount),\n \"NEGATIVE_SPREAD_REQUIRED\"\n );\n }\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // Derive maker asset amounts for left & right orders, given store taker assert amounts\n uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);\n uint256 leftMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n leftTakerAssetAmountRemaining\n );\n uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);\n uint256 rightMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n rightOrder.makerAssetAmount,\n rightOrder.takerAssetAmount,\n rightTakerAssetAmountRemaining\n );\n\n // Calculate fill results for maker and taker assets: at least one order will be fully filled.\n // The maximum amount the left maker can buy is `leftTakerAssetAmountRemaining`\n // The maximum amount the right maker can sell is `rightMakerAssetAmountRemaining`\n // We have two distinct cases for calculating the fill results:\n // Case 1.\n // If the left maker can buy more than the right maker can sell, then only the right order is fully filled.\n // If the left maker can buy exactly what the right maker can sell, then both orders are fully filled.\n // Case 2.\n // If the left maker cannot buy more than the right maker can sell, then only the left order is fully filled.\n if (leftTakerAssetAmountRemaining >= rightMakerAssetAmountRemaining) {\n // Case 1: Right order is fully filled\n matchedFillResults.right.makerAssetFilledAmount = rightMakerAssetAmountRemaining;\n matchedFillResults.right.takerAssetFilledAmount = rightTakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = matchedFillResults.right.makerAssetFilledAmount;\n // Round down to ensure the maker's exchange rate does not exceed the price specified by the order. \n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.left.makerAssetFilledAmount = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n matchedFillResults.left.takerAssetFilledAmount\n );\n } else {\n // Case 2: Left order is fully filled\n matchedFillResults.left.makerAssetFilledAmount = leftMakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = leftTakerAssetAmountRemaining;\n matchedFillResults.right.makerAssetFilledAmount = matchedFillResults.left.takerAssetFilledAmount;\n // Round up to ensure the maker's exchange rate does not exceed the price specified by the order.\n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.right.takerAssetFilledAmount = safeGetPartialAmountCeil(\n rightOrder.takerAssetAmount,\n rightOrder.makerAssetAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n }\n\n // Calculate amount given to taker\n matchedFillResults.leftMakerAssetSpreadAmount = safeSub(\n matchedFillResults.left.makerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount\n );\n\n // Compute fees for left order\n matchedFillResults.left.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.makerAssetFilledAmount,\n leftOrder.makerAssetAmount,\n leftOrder.makerFee\n );\n matchedFillResults.left.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.takerAssetFilledAmount,\n leftOrder.takerAssetAmount,\n leftOrder.takerFee\n );\n\n // Compute fees for right order\n matchedFillResults.right.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.makerAssetFilledAmount,\n rightOrder.makerAssetAmount,\n rightOrder.makerFee\n );\n matchedFillResults.right.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.takerAssetFilledAmount,\n rightOrder.takerAssetAmount,\n rightOrder.takerFee\n );\n\n // Return fill results\n return matchedFillResults;\n }\n\n /// @dev Settles matched order by transferring appropriate funds between order makers, taker, and fee recipient.\n /// @param leftOrder First matched order.\n /// @param rightOrder Second matched order.\n /// @param takerAddress Address that matched the orders. The taker receives the spread between orders as profit.\n /// @param matchedFillResults Struct holding amounts to transfer between makers, taker, and fee recipients.\n function settleMatchedOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n address takerAddress,\n LibFillResults.MatchedFillResults memory matchedFillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n // Order makers and taker\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n rightOrder.makerAddress,\n matchedFillResults.right.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n rightOrder.makerAssetData,\n rightOrder.makerAddress,\n leftOrder.makerAddress,\n matchedFillResults.left.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n takerAddress,\n matchedFillResults.leftMakerAssetSpreadAmount\n );\n\n // Maker fees\n dispatchTransferFrom(\n zrxAssetData,\n leftOrder.makerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n rightOrder.makerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.makerFeePaid\n );\n\n // Taker fees\n if (leftOrder.feeRecipientAddress == rightOrder.feeRecipientAddress) {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n safeAdd(\n matchedFillResults.left.takerFeePaid,\n matchedFillResults.right.takerFeePaid\n )\n );\n } else {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.takerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.takerFeePaid\n );\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./interfaces/IWallet.sol\";\nimport \"./interfaces/IValidator.sol\";\n\n\ncontract MixinSignatureValidator is\n ReentrancyGuard,\n MSignatureValidator,\n MTransactions\n{\n using LibBytes for bytes;\n \n // Mapping of hash => signer => signed\n mapping (bytes32 => mapping (address => bool)) public preSigned;\n\n // Mapping of signer => validator => approved\n mapping (address => mapping (address => bool)) public allowedValidators;\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n {\n if (signerAddress != msg.sender) {\n require(\n isValidSignature(\n hash,\n signerAddress,\n signature\n ),\n \"INVALID_SIGNATURE\"\n );\n }\n preSigned[hash][signerAddress] = true;\n }\n\n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external\n nonReentrant\n {\n address signerAddress = getCurrentContextAddress();\n allowedValidators[signerAddress][validatorAddress] = approval;\n emit SignatureValidatorApproval(\n signerAddress,\n validatorAddress,\n approval\n );\n }\n\n /// @dev Verifies that a hash has been signed by the given signer.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid)\n {\n require(\n signature.length > 0,\n \"LENGTH_GREATER_THAN_0_REQUIRED\"\n );\n\n // Pop last byte off of signature byte array.\n uint8 signatureTypeRaw = uint8(signature.popLastByte());\n\n // Ensure signature is supported\n require(\n signatureTypeRaw < uint8(SignatureType.NSignatureTypes),\n \"SIGNATURE_UNSUPPORTED\"\n );\n\n SignatureType signatureType = SignatureType(signatureTypeRaw);\n\n // Variables are not scoped in Solidity.\n uint8 v;\n bytes32 r;\n bytes32 s;\n address recovered;\n\n // Always illegal signature.\n // This is always an implicit option since a signer can create a\n // signature array with invalid type or length. We may as well make\n // it an explicit option. This aids testing and analysis. It is\n // also the initialization value for the enum type.\n if (signatureType == SignatureType.Illegal) {\n revert(\"SIGNATURE_ILLEGAL\");\n\n // Always invalid signature.\n // Like Illegal, this is always implicitly available and therefore\n // offered explicitly. It can be implicitly created by providing\n // a correctly formatted but incorrect signature.\n } else if (signatureType == SignatureType.Invalid) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = false;\n return isValid;\n\n // Signature using EIP712\n } else if (signatureType == SignatureType.EIP712) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n hash,\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signed using web3.eth_sign\n } else if (signatureType == SignatureType.EthSign) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n32\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signature verified by wallet contract.\n // If used with an order, the maker of the order is the wallet contract.\n } else if (signatureType == SignatureType.Wallet) {\n isValid = isValidWalletSignature(\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signature verified by validator contract.\n // If used with an order, the maker of the order can still be an EOA.\n // A signature using this type should be encoded as:\n // | Offset | Length | Contents |\n // | 0x00 | x | Signature to validate |\n // | 0x00 + x | 20 | Address of validator contract |\n // | 0x14 + x | 1 | Signature type is always \"\\x06\" |\n } else if (signatureType == SignatureType.Validator) {\n // Pop last 20 bytes off of signature byte array.\n address validatorAddress = signature.popLast20Bytes();\n \n // Ensure signer has approved validator.\n if (!allowedValidators[signerAddress][validatorAddress]) {\n return false;\n }\n isValid = isValidValidatorSignature(\n validatorAddress,\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signer signed hash previously using the preSign function.\n } else if (signatureType == SignatureType.PreSigned) {\n isValid = preSigned[hash][signerAddress];\n return isValid;\n }\n\n // Anything else is illegal (We do not return false because\n // the signature may actually be valid, just not in a format\n // that we currently support. In this case returning false\n // may lead the caller to incorrectly believe that the\n // signature was invalid.)\n revert(\"SIGNATURE_UNSUPPORTED\");\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if signature is valid for given wallet..\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IWallet(walletAddress).isValidSignature.selector,\n hash,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n walletAddress, // address of Wallet contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"WALLET_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000c57414c4c45545f4552524f5200000000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IValidator(signerAddress).isValidSignature.selector,\n hash,\n signerAddress,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n validatorAddress, // address of Validator contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"VALIDATOR_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f56414c494441544f525f4552524f5200000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n}\n", + "2.0.0/protocol/Exchange/MixinTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"./libs/LibExchangeErrors.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./libs/LibEIP712.sol\";\n\n\ncontract MixinTransactions is\n LibEIP712,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of transaction hash => executed\n // This prevents transactions from being executed more than once.\n mapping (bytes32 => bool) public transactions;\n\n // Address of current transaction signer\n address public currentContextAddress;\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external\n {\n // Prevent reentrancy\n require(\n currentContextAddress == address(0),\n \"REENTRANCY_ILLEGAL\"\n );\n\n bytes32 transactionHash = hashEIP712Message(hashZeroExTransaction(\n salt,\n signerAddress,\n data\n ));\n\n // Validate transaction has not been executed\n require(\n !transactions[transactionHash],\n \"INVALID_TX_HASH\"\n );\n\n // Transaction always valid if signer is sender of transaction\n if (signerAddress != msg.sender) {\n // Validate signature\n require(\n isValidSignature(\n transactionHash,\n signerAddress,\n signature\n ),\n \"INVALID_TX_SIGNATURE\"\n );\n\n // Set the current transaction signer\n currentContextAddress = signerAddress;\n }\n\n // Execute transaction\n transactions[transactionHash] = true;\n require(\n address(this).delegatecall(data),\n \"FAILED_EXECUTION\"\n );\n\n // Reset current transaction signer if it was previously updated\n if (signerAddress != msg.sender) {\n currentContextAddress = address(0);\n }\n }\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;\n bytes32 dataHash = keccak256(data);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,\n // salt,\n // bytes32(signerAddress),\n // keccak256(data)\n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, schemaHash) // hash of schema\n mstore(add(memPtr, 32), salt) // salt\n mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff)) // signerAddress\n mstore(add(memPtr, 96), dataHash) // hash of data\n\n // Compute hash\n result := keccak256(memPtr, 128)\n }\n return result;\n }\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address)\n {\n address currentContextAddress_ = currentContextAddress;\n address contextAddress = currentContextAddress_ == address(0) ? msg.sender : currentContextAddress_;\n return contextAddress;\n }\n}\n", + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibAbiEncoder.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MWrapperFunctions.sol\";\n\n\ncontract MixinWrapperFunctions is\n ReentrancyGuard,\n LibMath,\n LibFillResults,\n LibAbiEncoder,\n MExchangeCore,\n MWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrKillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n // Delegate to `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := delegatecall(\n gas, // forward all gas\n address, // call address of this contract\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrKillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n \n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public\n nonReentrant\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n cancelOrderInternal(orders[i]);\n }\n }\n\n /// @dev Fetches information for all passed in orders.\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n LibOrder.OrderInfo[] memory ordersInfo = new LibOrder.OrderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n ordersInfo[i] = getOrderInfo(orders[i]);\n }\n return ordersInfo;\n }\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n require(\n fillResults.takerAssetFilledAmount == takerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return fillResults;\n }\n}\n", + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssetProxyDispatcher {\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external;\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./IExchangeCore.sol\";\nimport \"./IMatchOrders.sol\";\nimport \"./ISignatureValidator.sol\";\nimport \"./ITransactions.sol\";\nimport \"./IAssetProxyDispatcher.sol\";\nimport \"./IWrapperFunctions.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract IExchange is\n IExchangeCore,\n IMatchOrders,\n ISignatureValidator,\n ITransactions,\n IAssetProxyDispatcher,\n IWrapperFunctions\n{}\n", + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IExchangeCore {\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external;\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrder(LibOrder.Order memory order)\n public;\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(LibOrder.Order memory order)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IMatchOrders {\n\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ISignatureValidator {\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external;\n \n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external;\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address of signer.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\n\ncontract ITransactions {\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external;\n}\n", + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IValidator {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IWallet {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IWrapperFunctions {\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public;\n\n /// @dev Fetches information for all passed in orders\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory);\n}\n", + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./LibOrder.sol\";\n\n\ncontract LibAbiEncoder {\n\n /// @dev ABI encodes calldata for `fillOrder`.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return ABI encoded calldata for `fillOrder`.\n function abiEncodeFillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n pure\n returns (bytes memory fillOrderCalldata)\n {\n // We need to call MExchangeCore.fillOrder using a delegatecall in\n // assembly so that we can intercept a call that throws. For this, we\n // need the input encoded in memory in the Ethereum ABIv2 format [1].\n\n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0x00 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 0x00 | | 1. offset to order (*) |\n // | | 0x20 | | 2. takerAssetFillAmount |\n // | | 0x40 | | 3. offset to signature (*) |\n // | Data | | 12 * 32 | order: |\n // | | 0x000 | | 1. senderAddress |\n // | | 0x020 | | 2. makerAddress |\n // | | 0x040 | | 3. takerAddress |\n // | | 0x060 | | 4. feeRecipientAddress |\n // | | 0x080 | | 5. makerAssetAmount |\n // | | 0x0A0 | | 6. takerAssetAmount |\n // | | 0x0C0 | | 7. makerFeeAmount |\n // | | 0x0E0 | | 8. takerFeeAmount |\n // | | 0x100 | | 9. expirationTimeSeconds |\n // | | 0x120 | | 10. salt |\n // | | 0x140 | | 11. Offset to makerAssetData (*) |\n // | | 0x160 | | 12. Offset to takerAssetData (*) |\n // | | 0x180 | 32 | makerAssetData Length |\n // | | 0x1A0 | ** | makerAssetData Contents |\n // | | 0x1C0 | 32 | takerAssetData Length |\n // | | 0x1E0 | ** | takerAssetData Contents |\n // | | 0x200 | 32 | signature Length |\n // | | 0x220 | ** | signature Contents |\n\n // * Offsets are calculated from the beginning of the current area: Header, Params, Data:\n // An offset stored in the Params area is calculated from the beginning of the Params section.\n // An offset stored in the Data area is calculated from the beginning of the Data section.\n\n // ** The length of dynamic array contents are stored in the field immediately preceeding the contents.\n\n // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html\n\n assembly {\n\n // Areas below may use the following variables:\n // 1. Start -- Start of this area in memory\n // 2. End -- End of this area in memory. This value may\n // be precomputed (before writing contents),\n // or it may be computed as contents are written.\n // 3. Offset -- Current offset into area. If an area's End\n // is precomputed, this variable tracks the\n // offsets of contents as they are written.\n\n /////// Setup Header Area ///////\n // Load free memory pointer\n fillOrderCalldata := mload(0x40)\n // bytes4(keccak256(\"fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)\"))\n // = 0xb4be83d5\n // Leave 0x20 bytes to store the length\n mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000)\n let headerAreaEnd := add(fillOrderCalldata, 0x24)\n\n /////// Setup Params Area ///////\n // This area is preallocated and written to later.\n // This is because we need to fill in offsets that have not yet been calculated.\n let paramsAreaStart := headerAreaEnd\n let paramsAreaEnd := add(paramsAreaStart, 0x60)\n let paramsAreaOffset := paramsAreaStart\n\n /////// Setup Data Area ///////\n let dataAreaStart := paramsAreaEnd\n let dataAreaEnd := dataAreaStart\n\n // Offset from the source data we're reading from\n let sourceOffset := order\n // arrayLenBytes and arrayLenWords track the length of a dynamically-allocated bytes array.\n let arrayLenBytes := 0\n let arrayLenWords := 0\n\n /////// Write order Struct ///////\n // Write memory location of Order, relative to the start of the\n // parameter list, then increment the paramsAreaOffset respectively.\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n // Write values for each field in the order\n // It would be nice to use a loop, but we save on gas by writing\n // the stores sequentially.\n mstore(dataAreaEnd, mload(sourceOffset)) // makerAddress\n mstore(add(dataAreaEnd, 0x20), mload(add(sourceOffset, 0x20))) // takerAddress\n mstore(add(dataAreaEnd, 0x40), mload(add(sourceOffset, 0x40))) // feeRecipientAddress\n mstore(add(dataAreaEnd, 0x60), mload(add(sourceOffset, 0x60))) // senderAddress\n mstore(add(dataAreaEnd, 0x80), mload(add(sourceOffset, 0x80))) // makerAssetAmount\n mstore(add(dataAreaEnd, 0xA0), mload(add(sourceOffset, 0xA0))) // takerAssetAmount\n mstore(add(dataAreaEnd, 0xC0), mload(add(sourceOffset, 0xC0))) // makerFeeAmount\n mstore(add(dataAreaEnd, 0xE0), mload(add(sourceOffset, 0xE0))) // takerFeeAmount\n mstore(add(dataAreaEnd, 0x100), mload(add(sourceOffset, 0x100))) // expirationTimeSeconds\n mstore(add(dataAreaEnd, 0x120), mload(add(sourceOffset, 0x120))) // salt\n mstore(add(dataAreaEnd, 0x140), mload(add(sourceOffset, 0x140))) // Offset to makerAssetData\n mstore(add(dataAreaEnd, 0x160), mload(add(sourceOffset, 0x160))) // Offset to takerAssetData\n dataAreaEnd := add(dataAreaEnd, 0x180)\n sourceOffset := add(sourceOffset, 0x180)\n\n // Write offset to \n mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x140)) // makerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Write offset to \n mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x160)) // takerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n /////// Write takerAssetFillAmount ///////\n mstore(paramsAreaOffset, takerAssetFillAmount)\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n /////// Write signature ///////\n // Write offset to paramsArea\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n\n // Calculate length of signature\n sourceOffset := signature\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of signature\n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of signature\n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Set length of calldata\n mstore(fillOrderCalldata, sub(dataAreaEnd, add(fillOrderCalldata, 0x20)))\n\n // Increment free memory pointer\n mstore(0x40, dataAreaEnd)\n }\n\n return fillOrderCalldata;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\n// solhint-disable max-line-length\ncontract LibConstants {\n \n // Asset data for ZRX token. Used for fee transfers.\n // @TODO: Hardcode constant when we deploy. Currently \n // not constant to make testing easier.\n\n // The proxyId for ZRX_ASSET_DATA is bytes4(keccak256(\"ERC20Token(address)\")) = 0xf47261b0\n \n // Kovan ZRX address is 0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570.\n // The ABI encoded proxyId and address is 0xf47261b00000000000000000000000006ff6c0ff1d68b964901f986d4c9fa3ac68346570\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x6f\\xf6\\xc0\\xff\\x1d\\x68\\xb9\\x64\\x90\\x1f\\x98\\x6d\\x4c\\x9f\\xa3\\xac\\x68\\x34\\x65\\x70\";\n \n // Mainnet ZRX address is 0xe41d2489571d322189246dafa5ebde1f4699f498.\n // The ABI encoded proxyId and address is 0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\n bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xe4\\x1d\\x24\\x89\\x57\\x1d\\x32\\x21\\x89\\x24\\x6d\\xaf\\xa5\\xeb\\xde\\x1f\\x46\\x99\\xf4\\x98\";\n}\n// solhint-enable max-line-length\n", + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract LibEIP712 {\n\n // EIP191 header for EIP712 prefix\n string constant internal EIP191_HEADER = \"\\x19\\x01\";\n\n // EIP712 Domain Name value\n string constant internal EIP712_DOMAIN_NAME = \"0x Protocol\";\n\n // EIP712 Domain Version value\n string constant internal EIP712_DOMAIN_VERSION = \"2\";\n\n // Hash of the EIP712 Domain Separator Schema\n bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"EIP712Domain(\",\n \"string name,\",\n \"string version,\",\n \"address verifyingContract\",\n \")\"\n ));\n\n // Hash of the EIP712 Domain Separator data\n // solhint-disable-next-line var-name-mixedcase\n bytes32 public EIP712_DOMAIN_HASH;\n\n constructor ()\n public\n {\n EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(\n EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,\n keccak256(bytes(EIP712_DOMAIN_NAME)),\n keccak256(bytes(EIP712_DOMAIN_VERSION)),\n bytes32(address(this))\n ));\n }\n\n /// @dev Calculates EIP712 encoding for a hash struct in this EIP712 Domain.\n /// @param hashStruct The EIP712 hash struct.\n /// @return EIP712 hash applied to this EIP712 Domain.\n function hashEIP712Message(bytes32 hashStruct)\n internal\n view\n returns (bytes32 result)\n {\n bytes32 eip712DomainHash = EIP712_DOMAIN_HASH;\n\n // Assembly for more efficient computing:\n // keccak256(abi.encodePacked(\n // EIP191_HEADER,\n // EIP712_DOMAIN_HASH,\n // hashStruct \n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, 0x1901000000000000000000000000000000000000000000000000000000000000) // EIP191 header\n mstore(add(memPtr, 2), eip712DomainHash) // EIP712 domain hash\n mstore(add(memPtr, 34), hashStruct) // Hash of struct\n\n // Compute hash\n result := keccak256(memPtr, 66)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity 0.4.24;\n\n\n/// @dev This contract documents the revert reasons used in the Exchange contract.\n/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons.\ncontract LibExchangeErrors {\n\n /// Order validation errors ///\n string constant ORDER_UNFILLABLE = \"ORDER_UNFILLABLE\"; // Order cannot be filled.\n string constant INVALID_MAKER = \"INVALID_MAKER\"; // Invalid makerAddress.\n string constant INVALID_TAKER = \"INVALID_TAKER\"; // Invalid takerAddress.\n string constant INVALID_SENDER = \"INVALID_SENDER\"; // Invalid `msg.sender`.\n string constant INVALID_ORDER_SIGNATURE = \"INVALID_ORDER_SIGNATURE\"; // Signature validation failed. \n \n /// fillOrder validation errors ///\n string constant INVALID_TAKER_AMOUNT = \"INVALID_TAKER_AMOUNT\"; // takerAssetFillAmount cannot equal 0.\n string constant ROUNDING_ERROR = \"ROUNDING_ERROR\"; // Rounding error greater than 0.1% of takerAssetFillAmount. \n \n /// Signature validation errors ///\n string constant INVALID_SIGNATURE = \"INVALID_SIGNATURE\"; // Signature validation failed. \n string constant SIGNATURE_ILLEGAL = \"SIGNATURE_ILLEGAL\"; // Signature type is illegal.\n string constant SIGNATURE_UNSUPPORTED = \"SIGNATURE_UNSUPPORTED\"; // Signature type unsupported.\n \n /// cancelOrdersUptTo errors ///\n string constant INVALID_NEW_ORDER_EPOCH = \"INVALID_NEW_ORDER_EPOCH\"; // Specified salt must be greater than or equal to existing orderEpoch.\n\n /// fillOrKillOrder errors ///\n string constant COMPLETE_FILL_FAILED = \"COMPLETE_FILL_FAILED\"; // Desired takerAssetFillAmount could not be completely filled. \n\n /// matchOrders errors ///\n string constant NEGATIVE_SPREAD_REQUIRED = \"NEGATIVE_SPREAD_REQUIRED\"; // Matched orders must have a negative spread.\n\n /// Transaction errors ///\n string constant REENTRANCY_ILLEGAL = \"REENTRANCY_ILLEGAL\"; // Recursive reentrancy is not allowed. \n string constant INVALID_TX_HASH = \"INVALID_TX_HASH\"; // Transaction has already been executed. \n string constant INVALID_TX_SIGNATURE = \"INVALID_TX_SIGNATURE\"; // Signature validation failed. \n string constant FAILED_EXECUTION = \"FAILED_EXECUTION\"; // Transaction execution failed. \n \n /// registerAssetProxy errors ///\n string constant ASSET_PROXY_ALREADY_EXISTS = \"ASSET_PROXY_ALREADY_EXISTS\"; // AssetProxy with same id already exists.\n\n /// dispatchTransferFrom errors ///\n string constant ASSET_PROXY_DOES_NOT_EXIST = \"ASSET_PROXY_DOES_NOT_EXIST\"; // No assetProxy registered at given id.\n string constant TRANSFER_FAILED = \"TRANSFER_FAILED\"; // Asset transfer unsuccesful.\n\n /// Length validation errors ///\n string constant LENGTH_GREATER_THAN_0_REQUIRED = \"LENGTH_GREATER_THAN_0_REQUIRED\"; // Byte array must have a length greater than 0.\n string constant LENGTH_GREATER_THAN_3_REQUIRED = \"LENGTH_GREATER_THAN_3_REQUIRED\"; // Byte array must have a length greater than 3.\n string constant LENGTH_0_REQUIRED = \"LENGTH_0_REQUIRED\"; // Byte array must have a length of 0.\n string constant LENGTH_65_REQUIRED = \"LENGTH_65_REQUIRED\"; // Byte array must have a length of 65.\n}\n", + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibFillResults is\n SafeMath\n{\n struct FillResults {\n uint256 makerAssetFilledAmount; // Total amount of makerAsset(s) filled.\n uint256 takerAssetFilledAmount; // Total amount of takerAsset(s) filled.\n uint256 makerFeePaid; // Total amount of ZRX paid by maker(s) to feeRecipient(s).\n uint256 takerFeePaid; // Total amount of ZRX paid by taker to feeRecipients(s).\n }\n\n struct MatchedFillResults {\n FillResults left; // Amounts filled and fees paid of left order.\n FillResults right; // Amounts filled and fees paid of right order.\n uint256 leftMakerAssetSpreadAmount; // Spread between price of left and right order, denominated in the left order's makerAsset, paid to taker.\n }\n\n /// @dev Adds properties of both FillResults instances.\n /// Modifies the first FillResults instance specified.\n /// @param totalFillResults Fill results instance that will be added onto.\n /// @param singleFillResults Fill results instance that will be added to totalFillResults.\n function addFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)\n internal\n pure\n {\n totalFillResults.makerAssetFilledAmount = safeAdd(totalFillResults.makerAssetFilledAmount, singleFillResults.makerAssetFilledAmount);\n totalFillResults.takerAssetFilledAmount = safeAdd(totalFillResults.takerAssetFilledAmount, singleFillResults.takerAssetFilledAmount);\n totalFillResults.makerFeePaid = safeAdd(totalFillResults.makerFeePaid, singleFillResults.makerFeePaid);\n totalFillResults.takerFeePaid = safeAdd(totalFillResults.takerFeePaid, singleFillResults.takerFeePaid);\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibMath.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibMath is\n SafeMath\n{\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function safeGetPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorFloor(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function safeGetPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorCeil(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function getPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function getPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // The absolute rounding error is the difference between the rounded\n // value and the ideal value. The relative rounding error is the\n // absolute rounding error divided by the absolute value of the\n // ideal value. This is undefined when the ideal value is zero.\n //\n // The ideal value is `numerator * target / denominator`.\n // Let's call `numerator * target % denominator` the remainder.\n // The absolute error is `remainder / denominator`.\n //\n // When the ideal value is zero, we require the absolute error to\n // be zero. Fortunately, this is always the case. The ideal value is\n // zero iff `numerator == 0` and/or `target == 0`. In this case the\n // remainder and absolute error are also zero. \n if (target == 0 || numerator == 0) {\n return false;\n }\n \n // Otherwise, we want the relative rounding error to be strictly\n // less than 0.1%.\n // The relative error is `remainder / (numerator * target)`.\n // We want the relative error less than 1 / 1000:\n // remainder / (numerator * denominator) < 1 / 1000\n // or equivalently:\n // 1000 * remainder < numerator * target\n // so we have a rounding error iff:\n // 1000 * remainder >= numerator * target\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding up.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // See the comments in `isRoundingError`.\n if (target == 0 || numerator == 0) {\n // When either is zero, the ideal value and rounded value are zero\n // and there is no rounding error. (Although the relative error\n // is undefined.)\n return false;\n }\n // Compute remainder as before\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n remainder = safeSub(denominator, remainder) % denominator;\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibOrder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./LibEIP712.sol\";\n\n\ncontract LibOrder is\n LibEIP712\n{\n // Hash for the EIP712 Order Schema\n bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"Order(\",\n \"address makerAddress,\",\n \"address takerAddress,\",\n \"address feeRecipientAddress,\",\n \"address senderAddress,\",\n \"uint256 makerAssetAmount,\",\n \"uint256 takerAssetAmount,\",\n \"uint256 makerFee,\",\n \"uint256 takerFee,\",\n \"uint256 expirationTimeSeconds,\",\n \"uint256 salt,\",\n \"bytes makerAssetData,\",\n \"bytes takerAssetData\",\n \")\"\n ));\n\n // A valid order remains fillable until it is expired, fully filled, or cancelled.\n // An order's state is unaffected by external factors, like account balances.\n enum OrderStatus {\n INVALID, // Default value\n INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount\n INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount\n FILLABLE, // Order is fillable\n EXPIRED, // Order has already expired\n FULLY_FILLED, // Order is fully filled\n CANCELLED // Order has been cancelled\n }\n\n // solhint-disable max-line-length\n struct Order {\n address makerAddress; // Address that created the order. \n address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order. \n address feeRecipientAddress; // Address that will recieve fees when order is filled. \n address senderAddress; // Address that is allowed to call Exchange contract methods that affect this order. If set to 0, any address is allowed to call these methods.\n uint256 makerAssetAmount; // Amount of makerAsset being offered by maker. Must be greater than 0. \n uint256 takerAssetAmount; // Amount of takerAsset being bid on by maker. Must be greater than 0. \n uint256 makerFee; // Amount of ZRX paid to feeRecipient by maker when order is filled. If set to 0, no transfer of ZRX from maker to feeRecipient will be attempted.\n uint256 takerFee; // Amount of ZRX paid to feeRecipient by taker when order is filled. If set to 0, no transfer of ZRX from taker to feeRecipient will be attempted.\n uint256 expirationTimeSeconds; // Timestamp in seconds at which order expires. \n uint256 salt; // Arbitrary number to facilitate uniqueness of the order's hash. \n bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.\n bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.\n }\n // solhint-enable max-line-length\n\n struct OrderInfo {\n uint8 orderStatus; // Status that describes order's validity and fillability.\n bytes32 orderHash; // EIP712 hash of the order (see LibOrder.getOrderHash).\n uint256 orderTakerAssetFilledAmount; // Amount of order that has already been filled.\n }\n\n /// @dev Calculates Keccak-256 hash of the order.\n /// @param order The order structure.\n /// @return Keccak-256 EIP712 hash of the order.\n function getOrderHash(Order memory order)\n internal\n view\n returns (bytes32 orderHash)\n {\n orderHash = hashEIP712Message(hashOrder(order));\n return orderHash;\n }\n\n /// @dev Calculates EIP712 hash of the order.\n /// @param order The order structure.\n /// @return EIP712 hash of the order.\n function hashOrder(Order memory order)\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ORDER_SCHEMA_HASH;\n bytes32 makerAssetDataHash = keccak256(order.makerAssetData);\n bytes32 takerAssetDataHash = keccak256(order.takerAssetData);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ORDER_SCHEMA_HASH,\n // bytes32(order.makerAddress),\n // bytes32(order.takerAddress),\n // bytes32(order.feeRecipientAddress),\n // bytes32(order.senderAddress),\n // order.makerAssetAmount,\n // order.takerAssetAmount,\n // order.makerFee,\n // order.takerFee,\n // order.expirationTimeSeconds,\n // order.salt,\n // keccak256(order.makerAssetData),\n // keccak256(order.takerAssetData)\n // ));\n\n assembly {\n // Calculate memory addresses that will be swapped out before hashing\n let pos1 := sub(order, 32)\n let pos2 := add(order, 320)\n let pos3 := add(order, 352)\n\n // Backup\n let temp1 := mload(pos1)\n let temp2 := mload(pos2)\n let temp3 := mload(pos3)\n \n // Hash in place\n mstore(pos1, schemaHash)\n mstore(pos2, makerAssetDataHash)\n mstore(pos3, takerAssetDataHash)\n result := keccak256(pos1, 416)\n \n // Restore\n mstore(pos1, temp1)\n mstore(pos2, temp2)\n mstore(pos3, temp3)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssetProxyDispatcher.sol\";\n\n\ncontract MAssetProxyDispatcher is\n IAssetProxyDispatcher\n{\n // Logs registration of new asset proxy\n event AssetProxyRegistered(\n bytes4 id, // Id of new registered AssetProxy.\n address assetProxy // Address of new registered AssetProxy.\n );\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IExchangeCore.sol\";\n\n\ncontract MExchangeCore is\n IExchangeCore\n{\n // Fill event is emitted whenever an order is filled.\n event Fill(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that received fees.\n address takerAddress, // Address that filled the order.\n address senderAddress, // Address that called the Exchange contract (msg.sender).\n uint256 makerAssetFilledAmount, // Amount of makerAsset sold by maker and bought by taker. \n uint256 takerAssetFilledAmount, // Amount of takerAsset sold by taker and bought by maker.\n uint256 makerFeePaid, // Amount of ZRX paid to feeRecipient by maker.\n uint256 takerFeePaid, // Amount of ZRX paid to feeRecipient by taker.\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // Cancel event is emitted whenever an individual order is cancelled.\n event Cancel(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that would have recieved fees if order was filled. \n address senderAddress, // Address that called the Exchange contract (msg.sender).\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // CancelUpTo event is emitted whenever `cancelOrdersUpTo` is executed succesfully.\n event CancelUpTo(\n address indexed makerAddress, // Orders cancelled must have been created by this address.\n address indexed senderAddress, // Orders cancelled must have a `senderAddress` equal to this address.\n uint256 orderEpoch // Orders with specified makerAddress and senderAddress with a salt less than this value are considered cancelled.\n );\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrderInternal(LibOrder.Order memory order)\n internal;\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function updateFilledState(\n LibOrder.Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n LibFillResults.FillResults memory fillResults\n )\n internal;\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n LibOrder.Order memory order,\n bytes32 orderHash\n )\n internal;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo Status, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view;\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo\n )\n internal\n view;\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n LibOrder.Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.FillResults memory fillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IMatchOrders.sol\";\n\n\ncontract MMatchOrders is\n IMatchOrders\n{\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure;\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/ISignatureValidator.sol\";\n\n\ncontract MSignatureValidator is\n ISignatureValidator\n{\n event SignatureValidatorApproval(\n address indexed signerAddress, // Address that approves or disapproves a contract to verify signatures.\n address indexed validatorAddress, // Address of signature validator contract.\n bool approved // Approval or disapproval of validator contract.\n );\n\n // Allowed signature types.\n enum SignatureType {\n Illegal, // 0x00, default value\n Invalid, // 0x01\n EIP712, // 0x02\n EthSign, // 0x03\n Wallet, // 0x04\n Validator, // 0x05\n PreSigned, // 0x06\n NSignatureTypes // 0x07, number of signature types. Always leave at end.\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"../interfaces/ITransactions.sol\";\n\n\ncontract MTransactions is\n ITransactions\n{\n // Hash for the EIP712 ZeroEx Transaction Schema\n bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"ZeroExTransaction(\",\n \"uint256 salt,\",\n \"address signerAddress,\",\n \"bytes data\",\n \")\"\n ));\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result);\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address);\n}\n", + "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IWrapperFunctions.sol\";\n\n\ncontract MWrapperFunctions is \n IWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n}\n", + "2.0.0/tokens/ERC20Token/IERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n \n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n \n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", + "2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Token {\n\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(\n address indexed _owner,\n address indexed _approved,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(\n address indexed _owner,\n address indexed _operator,\n bool _approved\n );\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// perator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external;\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public;\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address);\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) \n public\n view\n returns (address);\n \n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool);\n}\n", + "2.0.0/tokens/EtherToken/IEtherToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/IERC20Token.sol\";\n\n\ncontract IEtherToken is\n IERC20Token\n{\n function deposit()\n public\n payable;\n \n function withdraw(uint256 amount)\n public;\n}\n", + "2.0.0/utils/LibBytes/LibBytes.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\nlibrary LibBytes {\n\n using LibBytes for bytes;\n\n /// @dev Gets the memory address for a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of byte array. This\n /// points to the header of the byte array which contains\n /// the length.\n function rawAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := input\n }\n return memoryAddress;\n }\n \n /// @dev Gets the memory address for the contents of a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of the contents of the byte array.\n function contentAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := add(input, 32)\n }\n return memoryAddress;\n }\n\n /// @dev Copies `length` bytes from memory location `source` to `dest`.\n /// @param dest memory address to copy bytes to.\n /// @param source memory address to copy bytes from.\n /// @param length number of bytes to copy.\n function memCopy(\n uint256 dest,\n uint256 source,\n uint256 length\n )\n internal\n pure\n {\n if (length < 32) {\n // Handle a partial word by reading destination and masking\n // off the bits we are interested in.\n // This correctly handles overlap, zero lengths and source == dest\n assembly {\n let mask := sub(exp(256, sub(32, length)), 1)\n let s := and(mload(source), not(mask))\n let d := and(mload(dest), mask)\n mstore(dest, or(s, d))\n }\n } else {\n // Skip the O(length) loop when source == dest.\n if (source == dest) {\n return;\n }\n\n // For large copies we copy whole words at a time. The final\n // word is aligned to the end of the range (instead of after the\n // previous) to handle partial words. So a copy will look like this:\n //\n // ####\n // ####\n // ####\n // ####\n //\n // We handle overlap in the source and destination range by\n // changing the copying direction. This prevents us from\n // overwriting parts of source that we still need to copy.\n //\n // This correctly handles source == dest\n //\n if (source > dest) {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because it\n // is easier to compare with in the loop, and these\n // are also the addresses we need for copying the\n // last bytes.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the last 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the last bytes in\n // source already due to overlap.\n let last := mload(sEnd)\n\n // Copy whole words front to back\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} lt(source, sEnd) {} {\n mstore(dest, mload(source))\n source := add(source, 32)\n dest := add(dest, 32)\n }\n \n // Write the last 32 bytes\n mstore(dEnd, last)\n }\n } else {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because those\n // are the starting points when copying a word at the end.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the first 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the first bytes in\n // source already due to overlap.\n let first := mload(source)\n\n // Copy whole words back to front\n // We use a signed comparisson here to allow dEnd to become\n // negative (happens when source and dest < 32). Valid\n // addresses in local memory will never be larger than\n // 2**255, so they can be safely re-interpreted as signed.\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} slt(dest, dEnd) {} {\n mstore(dEnd, mload(sEnd))\n sEnd := sub(sEnd, 32)\n dEnd := sub(dEnd, 32)\n }\n \n // Write the first 32 bytes\n mstore(dest, first)\n }\n }\n }\n }\n\n /// @dev Returns a slices from a byte array.\n /// @param b The byte array to take a slice from.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n function slice(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure and copy contents\n result = new bytes(to - from);\n memCopy(\n result.contentAddress(),\n b.contentAddress() + from,\n result.length\n );\n return result;\n }\n \n /// @dev Returns a slice from a byte array without preserving the input.\n /// @param b The byte array to take a slice from. Will be destroyed in the process.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n /// @dev When `from == 0`, the original array will match the slice. In other cases its state will be corrupted.\n function sliceDestructive(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure around [from, to) in-place.\n assembly {\n result := add(b, from)\n mstore(result, sub(to, from))\n }\n return result;\n }\n\n /// @dev Pops the last byte off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The byte that was popped off.\n function popLastByte(bytes memory b)\n internal\n pure\n returns (bytes1 result)\n {\n require(\n b.length > 0,\n \"GREATER_THAN_ZERO_LENGTH_REQUIRED\"\n );\n\n // Store last byte.\n result = b[b.length - 1];\n\n assembly {\n // Decrement length of byte array.\n let newLen := sub(mload(b), 1)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Pops the last 20 bytes off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The 20 byte address that was popped off.\n function popLast20Bytes(bytes memory b)\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= 20,\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Store last 20 bytes.\n result = readAddress(b, b.length - 20);\n\n assembly {\n // Subtract 20 from byte array length.\n let newLen := sub(mload(b), 20)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Tests equality of two byte arrays.\n /// @param lhs First byte array to compare.\n /// @param rhs Second byte array to compare.\n /// @return True if arrays are the same. False otherwise.\n function equals(\n bytes memory lhs,\n bytes memory rhs\n )\n internal\n pure\n returns (bool equal)\n {\n // Keccak gas cost is 30 + numWords * 6. This is a cheap way to compare.\n // We early exit on unequal lengths, but keccak would also correctly\n // handle this.\n return lhs.length == rhs.length && keccak256(lhs) == keccak256(rhs);\n }\n\n /// @dev Reads an address from a position in a byte array.\n /// @param b Byte array containing an address.\n /// @param index Index in byte array of address.\n /// @return address from byte array.\n function readAddress(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Read address from array memory\n assembly {\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 20-byte mask to obtain address\n result := and(mload(add(b, index)), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n return result;\n }\n\n /// @dev Writes an address into a specific position in a byte array.\n /// @param b Byte array to insert address into.\n /// @param index Index in byte array of address.\n /// @param input Address to put into byte array.\n function writeAddress(\n bytes memory b,\n uint256 index,\n address input\n )\n internal\n pure\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Store address into array memory\n assembly {\n // The address occupies 20 bytes and mstore stores 32 bytes.\n // First fetch the 32-byte word where we'll be storing the address, then\n // apply a mask so we have only the bytes in the word that the address will not occupy.\n // Then combine these bytes with the address and store the 32 bytes back to memory with mstore.\n\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 12-byte mask to obtain extra bytes occupying word of memory where we'll store the address\n let neighbors := and(\n mload(add(b, index)),\n 0xffffffffffffffffffffffff0000000000000000000000000000000000000000\n )\n \n // Make sure input address is clean.\n // (Solidity does not guarantee this)\n input := and(input, 0xffffffffffffffffffffffffffffffffffffffff)\n\n // Store the neighbors and address into memory\n mstore(add(b, index), xor(input, neighbors))\n }\n }\n\n /// @dev Reads a bytes32 value from a position in a byte array.\n /// @param b Byte array containing a bytes32 value.\n /// @param index Index in byte array of bytes32 value.\n /// @return bytes32 value from byte array.\n function readBytes32(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes32 result)\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n result := mload(add(b, index))\n }\n return result;\n }\n\n /// @dev Writes a bytes32 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes32 to put into byte array.\n function writeBytes32(\n bytes memory b,\n uint256 index,\n bytes32 input\n )\n internal\n pure\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n mstore(add(b, index), input)\n }\n }\n\n /// @dev Reads a uint256 value from a position in a byte array.\n /// @param b Byte array containing a uint256 value.\n /// @param index Index in byte array of uint256 value.\n /// @return uint256 value from byte array.\n function readUint256(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (uint256 result)\n {\n result = uint256(readBytes32(b, index));\n return result;\n }\n\n /// @dev Writes a uint256 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input uint256 to put into byte array.\n function writeUint256(\n bytes memory b,\n uint256 index,\n uint256 input\n )\n internal\n pure\n {\n writeBytes32(b, index, bytes32(input));\n }\n\n /// @dev Reads an unpadded bytes4 value from a position in a byte array.\n /// @param b Byte array containing a bytes4 value.\n /// @param index Index in byte array of bytes4 value.\n /// @return bytes4 value from byte array.\n function readBytes4(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes4 result)\n {\n require(\n b.length >= index + 4,\n \"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 32 byte length field\n index += 32;\n\n // Read the bytes4 from array memory\n assembly {\n result := mload(add(b, index))\n // Solidity does not require us to clean the trailing bytes.\n // We do it anyway\n result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)\n }\n return result;\n }\n\n /// @dev Reads nested bytes from a specific position.\n /// @dev NOTE: the returned value overlaps with the input value.\n /// Both should be treated as immutable.\n /// @param b Byte array containing nested bytes.\n /// @param index Index of nested bytes.\n /// @return result Nested bytes.\n function readBytesWithLength(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes memory result)\n {\n // Read length of nested bytes\n uint256 nestedBytesLength = readUint256(b, index);\n index += 32;\n\n // Assert length of is valid, given\n // length of nested bytes\n require(\n b.length >= index + nestedBytesLength,\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n \n // Return a pointer to the byte array as it exists inside `b`\n assembly {\n result := add(b, index)\n }\n return result;\n }\n\n /// @dev Inserts bytes at a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes to insert.\n function writeBytesWithLength(\n bytes memory b,\n uint256 index,\n bytes memory input\n )\n internal\n pure\n {\n // Assert length of is valid, given\n // length of input\n require(\n b.length >= index + 32 + input.length, // 32 bytes to store length\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n\n // Copy into \n memCopy(\n b.contentAddress() + index,\n input.rawAddress(), // includes length of \n input.length + 32 // +32 bytes to store length\n );\n }\n\n /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length.\n /// @param dest Byte array that will be overwritten with source bytes.\n /// @param source Byte array to copy onto dest bytes.\n function deepCopyBytes(\n bytes memory dest,\n bytes memory source\n )\n internal\n pure\n {\n uint256 sourceLen = source.length;\n // Dest length must be >= source length, or some bytes would not be copied.\n require(\n dest.length >= sourceLen,\n \"GREATER_OR_EQUAL_TO_SOURCE_BYTES_LENGTH_REQUIRED\"\n );\n memCopy(\n dest.contentAddress(),\n source.contentAddress(),\n sourceLen\n );\n }\n}\n", + "2.0.0/utils/Ownable/IOwnable.sol": "pragma solidity 0.4.24;\n\n\ncontract IOwnable {\n\n function transferOwnership(address newOwner)\n public;\n}\n", + "2.0.0/utils/Ownable/Ownable.sol": "pragma solidity 0.4.24;\n\nimport \"./IOwnable.sol\";\n\n\ncontract Ownable is\n IOwnable\n{\n address public owner;\n\n constructor ()\n public\n {\n owner = msg.sender;\n }\n\n modifier onlyOwner() {\n require(\n msg.sender == owner,\n \"ONLY_CONTRACT_OWNER\"\n );\n _;\n }\n\n function transferOwnership(address newOwner)\n public\n onlyOwner\n {\n if (newOwner != address(0)) {\n owner = newOwner;\n }\n }\n}\n", + "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ReentrancyGuard {\n\n // Locked state of mutex\n bool private locked = false;\n\n /// @dev Functions with this modifer cannot be reentered. The mutex will be locked\n /// before function execution and unlocked after.\n modifier nonReentrant() {\n // Ensure mutex is unlocked\n require(\n !locked,\n \"REENTRANCY_ILLEGAL\"\n );\n\n // Lock mutex before function call\n locked = true;\n\n // Perform function call\n _;\n\n // Unlock mutex after function call\n locked = false;\n }\n}\n", + "2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n\n function safeMul(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(\n c / a == b,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function safeDiv(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a / b;\n return c;\n }\n\n function safeSub(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n require(\n b <= a,\n \"UINT256_UNDERFLOW\"\n );\n return a - b;\n }\n\n function safeAdd(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a + b;\n require(\n c >= a,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function max64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n\n function max256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n}\n" + }, + "sourceTreeHashHex": "0x93eec0587c0db8b68951a9c0c348c14e22831361b7fe38bb2d29a09ad670e10d", + "compiler": { + "name": "solc", + "version": "soljson-v0.4.24+commit.e67f0147.js", + "settings": { + "optimizer": { + "enabled": true, + "runs": 1000000 + }, + "outputSelection": { + "*": { + "*": [ + "abi", + "evm.bytecode.object", + "evm.bytecode.sourceMap", + "evm.deployedBytecode.object", + "evm.deployedBytecode.sourceMap" + ] + } + } + } + }, + "networks": { + "1": { + "address": "0x208e41fb445f1bb1b6780d58356e81405f3e6127", + "links": {}, + "constructorArgs": "[]" + }, + "3": { + "address": "0xe654aac058bfbf9f83fcaee7793311dd82f6ddb4", + "links": {}, + "constructorArgs": "[]" + }, + "42": { + "address": "0x2a9127c745688a165106c11cd4d647d2220af821", + "links": {}, + "constructorArgs": "[]" + }, + "50": { + "address": "0x1d7022f5b17d2f8b695918fb48fa1089c9f85401", + "links": {}, + "constructorArgs": "[]" + } + } +} diff --git a/packages/migrations/artifacts/2.0.0/ERC721Token.json b/packages/migrations/artifacts/2.0.0/ERC721Token.json new file mode 100644 index 000000000..ceb374730 --- /dev/null +++ b/packages/migrations/artifacts/2.0.0/ERC721Token.json @@ -0,0 +1,565 @@ +{ + "schemaVersion": "2.0.0", + "contractName": "ERC721Token", + "compilerOutput": { + "abi": [ + { + "constant": true, + "inputs": [ + { + "name": "_tokenId", + "type": "uint256" + } + ], + "name": "getApproved", + "outputs": [ + { + "name": "", + "type": "address" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_approved", + "type": "address" + }, + { + "name": "_tokenId", + "type": "uint256" + } + ], + "name": "approve", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_from", + "type": "address" + }, + { + "name": "_to", + "type": "address" + }, + { + "name": "_tokenId", + "type": "uint256" + } + ], + "name": "transferFrom", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_from", + "type": "address" + }, + { + "name": "_to", + "type": "address" + }, + { + "name": "_tokenId", + "type": "uint256" + } + ], + "name": "safeTransferFrom", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "_tokenId", + "type": "uint256" + } + ], + "name": "ownerOf", + "outputs": [ + { + "name": "", + "type": "address" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "_owner", + "type": "address" + } + ], + "name": "balanceOf", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_operator", + "type": "address" + }, + { + "name": "_approved", + "type": "bool" + } + ], + "name": "setApprovalForAll", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_from", + "type": "address" + }, + { + "name": "_to", + "type": "address" + }, + { + "name": "_tokenId", + "type": "uint256" + }, + { + "name": "_data", + "type": "bytes" + } + ], + "name": "safeTransferFrom", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "_owner", + "type": "address" + }, + { + "name": "_operator", + "type": "address" + } + ], + "name": "isApprovedForAll", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "_from", + "type": "address" + }, + { + "indexed": true, + "name": "_to", + "type": "address" + }, + { + "indexed": true, + "name": "_tokenId", + "type": "uint256" + } + ], + "name": "Transfer", + "type": "event" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "_owner", + "type": "address" + }, + { + "indexed": true, + "name": "_approved", + "type": "address" + }, + { + "indexed": true, + "name": "_tokenId", + "type": "uint256" + } + ], + "name": "Approval", + "type": "event" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "_owner", + "type": "address" + }, + { + "indexed": true, + "name": "_operator", + "type": "address" + }, + { + "indexed": false, + "name": "_approved", + "type": "bool" + } + ], + "name": "ApprovalForAll", + "type": "event" + } + ], + "evm": { + "bytecode": { + "linkReferences": {}, + "object": 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PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 SWAP4 SWAP1 SWAP4 SSTORE SWAP1 DUP8 AND DUP2 MSTORE KECCAK256 SLOAD PUSH2 0x6E5 SWAP1 PUSH1 0x1 PUSH2 0xD86 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP8 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 SWAP5 SWAP1 SWAP5 SSTORE SWAP3 MLOAD DUP8 SWAP4 SWAP2 SWAP3 DUP11 AND SWAP2 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP2 LOG4 POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0x752 DUP6 DUP6 DUP6 PUSH2 0x3E4 JUMP JUMPDEST DUP4 EXTCODESIZE SWAP2 POP PUSH1 0x0 DUP3 GT ISZERO PUSH2 0x908 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x150B7A0200000000000000000000000000000000000000000000000000000000 DUP2 MSTORE CALLER PUSH1 0x4 DUP3 ADD MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 DUP2 AND PUSH1 0x24 DUP4 ADD MSTORE PUSH1 0x44 DUP3 ADD DUP7 SWAP1 MSTORE PUSH1 0x80 PUSH1 0x64 DUP4 ADD MSTORE PUSH1 0x0 PUSH1 0x84 DUP4 ADD DUP2 SWAP1 MSTORE SWAP3 MLOAD SWAP1 DUP8 AND SWAP3 PUSH4 0x150B7A02 SWAP3 PUSH1 0xC4 DUP1 DUP3 ADD SWAP4 PUSH1 0x20 SWAP4 SWAP1 SWAP3 DUP4 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 DUP3 SWAP1 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x7EF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x803 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x20 DUP2 LT ISZERO PUSH2 0x819 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP MLOAD PUSH1 0x40 DUP1 MLOAD PUSH32 0x6F6E455243373231526563656976656428616464726573732C61646472657373 DUP2 MSTORE PUSH32 0x2C75696E743235362C6279746573290000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x2F ADD SWAP1 KECCAK256 SWAP1 SWAP2 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP1 DUP4 AND SWAP2 AND EQ PUSH2 0x908 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x17 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F53454C4543544F52000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP2 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP1 ISZERO ISZERO PUSH2 0x9A2 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F4F574E4552000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND ISZERO ISZERO PUSH2 0xA2E JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F4F574E4552000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD SWAP1 JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP1 DUP6 MSTORE SWAP1 DUP4 MSTORE SWAP3 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND DUP7 ISZERO ISZERO SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP2 MLOAD SWAP1 DUP2 MSTORE SWAP1 MLOAD SWAP3 SWAP4 SWAP3 PUSH32 0x17307EAB39AB6107E8899845AD3D59BD9653F200F220920489CA2B5937696C31 SWAP3 SWAP2 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0xAFE DUP8 DUP8 DUP8 PUSH2 0x3E4 JUMP JUMPDEST DUP6 EXTCODESIZE SWAP2 POP PUSH1 0x0 DUP3 GT ISZERO PUSH2 0xCCB JUMPI PUSH1 0x40 MLOAD PUSH32 0x150B7A0200000000000000000000000000000000000000000000000000000000 DUP2 MSTORE CALLER PUSH1 0x4 DUP3 ADD DUP2 DUP2 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP11 DUP2 AND PUSH1 0x24 DUP6 ADD MSTORE PUSH1 0x44 DUP5 ADD DUP10 SWAP1 MSTORE PUSH1 0x80 PUSH1 0x64 DUP6 ADD SWAP1 DUP2 MSTORE PUSH1 0x84 DUP6 ADD DUP9 SWAP1 MSTORE SWAP1 DUP11 AND SWAP4 PUSH4 0x150B7A02 SWAP4 SWAP3 DUP13 SWAP3 DUP12 SWAP3 DUP12 SWAP3 DUP12 SWAP3 SWAP1 SWAP2 PUSH1 0xA4 ADD DUP5 DUP5 DUP1 DUP3 DUP5 CALLDATACOPY DUP3 ADD SWAP2 POP POP SWAP7 POP POP POP POP POP POP POP PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0xBB2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0xBC6 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x20 DUP2 LT ISZERO PUSH2 0xBDC JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP MLOAD PUSH1 0x40 DUP1 MLOAD PUSH32 0x6F6E455243373231526563656976656428616464726573732C61646472657373 DUP2 MSTORE PUSH32 0x2C75696E743235362C6279746573290000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x2F ADD SWAP1 KECCAK256 SWAP1 SWAP2 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP1 DUP4 AND SWAP2 AND EQ PUSH2 0xCCB JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x17 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F53454C4543544F52000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP POP POP POP POP POP POP JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP2 DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP4 SWAP1 SWAP5 AND DUP3 MSTORE SWAP2 SWAP1 SWAP2 MSTORE KECCAK256 SLOAD PUSH1 0xFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 GT ISZERO PUSH2 0xD80 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F554E444552464C4F57000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP SWAP1 SUB SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 ADD DUP4 DUP2 LT ISZERO PUSH2 0xDFA JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST SWAP4 SWAP3 POP POP POP JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 PUSH20 0x18C14C91209A554964C5F972B95A90FE384DD7DD SWAP7 0xcc REVERT MOD MULMOD SLOAD 0x4e PUSH5 0x39C3C90029 ", + "sourceMap": "712:8295:56:-;;;;8:9:-1;5:2;;;30:1;27;20:12;5:2;712:8295:56;;;;;;;" + }, + "deployedBytecode": { + "linkReferences": {}, + "object": 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+ "opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0x98 JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x81812FC DUP2 EQ PUSH2 0x9D JUMPI DUP1 PUSH4 0x95EA7B3 EQ PUSH2 0xDE JUMPI DUP1 PUSH4 0x23B872DD EQ PUSH2 0x111 JUMPI DUP1 PUSH4 0x42842E0E EQ PUSH2 0x148 JUMPI DUP1 PUSH4 0x6352211E EQ PUSH2 0x17F JUMPI DUP1 PUSH4 0x70A08231 EQ PUSH2 0x197 JUMPI DUP1 PUSH4 0xA22CB465 EQ PUSH2 0x1D7 JUMPI DUP1 PUSH4 0xB88D4FDE EQ PUSH2 0x20A JUMPI DUP1 PUSH4 0xE985E9C5 EQ PUSH2 0x250 JUMPI JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xA9 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xB5 PUSH1 0x4 CALLDATALOAD PUSH2 0x298 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xEA JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x10F PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x2C0 JUMP JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x11D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x10F PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x3E4 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x154 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x10F PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x744 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x18B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xB5 PUSH1 0x4 CALLDATALOAD PUSH2 0x90F JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1A3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1C5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x9A8 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1E3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x10F PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD ISZERO ISZERO PUSH2 0xA57 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x216 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x10F PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 DUP1 CALLDATALOAD DUP3 AND SWAP2 PUSH1 0x24 DUP1 CALLDATALOAD SWAP1 SWAP2 AND SWAP2 PUSH1 0x44 CALLDATALOAD SWAP2 PUSH1 0x64 CALLDATALOAD SWAP1 DUP2 ADD SWAP2 ADD CALLDATALOAD PUSH2 0xAF0 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x25C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x284 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0xCD4 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x2CB DUP3 PUSH2 0x90F JUMP JUMPDEST SWAP1 POP CALLER PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND EQ DUP1 PUSH2 0x2F6 JUMPI POP PUSH2 0x2F6 DUP2 CALLER PUSH2 0xCD4 JUMP JUMPDEST ISZERO ISZERO PUSH2 0x363 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F53454E4445520000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 DUP2 AND SWAP2 DUP3 OR SWAP1 SWAP3 SSTORE SWAP2 MLOAD DUP6 SWAP4 SWAP2 DUP6 AND SWAP2 PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 SWAP2 LOG4 POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP6 AND ISZERO ISZERO PUSH2 0x46C JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F544F5F4144445245535300000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH2 0x475 DUP5 PUSH2 0x90F JUMP JUMPDEST SWAP3 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 DUP2 AND SWAP1 DUP5 AND EQ PUSH2 0x4FE JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x15 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F4F574E45525F4D49534D415443480000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST CALLER SWAP2 POP PUSH2 0x50A DUP5 PUSH2 0x298 JUMP JUMPDEST SWAP1 POP DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ DUP1 PUSH2 0x54B JUMPI POP PUSH2 0x54B DUP4 DUP4 PUSH2 0xCD4 JUMP JUMPDEST DUP1 PUSH2 0x581 JUMPI POP DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ JUMPDEST ISZERO ISZERO PUSH2 0x5EE JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x16 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F5350454E44455200000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0x63F JUMPI PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND SWAP1 SSTORE JUMPDEST PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP11 DUP2 AND SWAP2 SWAP1 SWAP2 OR SWAP1 SWAP2 SSTORE DUP10 AND DUP4 MSTORE PUSH1 0x2 SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 SLOAD PUSH2 0x6A8 SWAP1 PUSH1 0x1 PUSH2 0xD0F JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP9 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 SWAP4 SWAP1 SWAP4 SSTORE SWAP1 DUP8 AND DUP2 MSTORE KECCAK256 SLOAD PUSH2 0x6E5 SWAP1 PUSH1 0x1 PUSH2 0xD86 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP8 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 SWAP5 SWAP1 SWAP5 SSTORE SWAP3 MLOAD DUP8 SWAP4 SWAP2 SWAP3 DUP11 AND SWAP2 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP2 LOG4 POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0x752 DUP6 DUP6 DUP6 PUSH2 0x3E4 JUMP JUMPDEST DUP4 EXTCODESIZE SWAP2 POP PUSH1 0x0 DUP3 GT ISZERO PUSH2 0x908 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x150B7A0200000000000000000000000000000000000000000000000000000000 DUP2 MSTORE CALLER PUSH1 0x4 DUP3 ADD MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 DUP2 AND PUSH1 0x24 DUP4 ADD MSTORE PUSH1 0x44 DUP3 ADD DUP7 SWAP1 MSTORE PUSH1 0x80 PUSH1 0x64 DUP4 ADD MSTORE PUSH1 0x0 PUSH1 0x84 DUP4 ADD DUP2 SWAP1 MSTORE SWAP3 MLOAD SWAP1 DUP8 AND SWAP3 PUSH4 0x150B7A02 SWAP3 PUSH1 0xC4 DUP1 DUP3 ADD SWAP4 PUSH1 0x20 SWAP4 SWAP1 SWAP3 DUP4 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 DUP3 SWAP1 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x7EF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x803 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x20 DUP2 LT ISZERO PUSH2 0x819 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP MLOAD PUSH1 0x40 DUP1 MLOAD PUSH32 0x6F6E455243373231526563656976656428616464726573732C61646472657373 DUP2 MSTORE PUSH32 0x2C75696E743235362C6279746573290000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x2F ADD SWAP1 KECCAK256 SWAP1 SWAP2 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP1 DUP4 AND SWAP2 AND EQ PUSH2 0x908 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x17 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F53454C4543544F52000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP2 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP1 ISZERO ISZERO PUSH2 0x9A2 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F4F574E4552000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND ISZERO ISZERO PUSH2 0xA2E JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F5A45524F5F4F574E4552000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD SWAP1 JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP1 DUP6 MSTORE SWAP1 DUP4 MSTORE SWAP3 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND DUP7 ISZERO ISZERO SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP2 MLOAD SWAP1 DUP2 MSTORE SWAP1 MLOAD SWAP3 SWAP4 SWAP3 PUSH32 0x17307EAB39AB6107E8899845AD3D59BD9653F200F220920489CA2B5937696C31 SWAP3 SWAP2 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0xAFE DUP8 DUP8 DUP8 PUSH2 0x3E4 JUMP JUMPDEST DUP6 EXTCODESIZE SWAP2 POP PUSH1 0x0 DUP3 GT ISZERO PUSH2 0xCCB JUMPI PUSH1 0x40 MLOAD PUSH32 0x150B7A0200000000000000000000000000000000000000000000000000000000 DUP2 MSTORE CALLER PUSH1 0x4 DUP3 ADD DUP2 DUP2 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP11 DUP2 AND PUSH1 0x24 DUP6 ADD MSTORE PUSH1 0x44 DUP5 ADD DUP10 SWAP1 MSTORE PUSH1 0x80 PUSH1 0x64 DUP6 ADD SWAP1 DUP2 MSTORE PUSH1 0x84 DUP6 ADD DUP9 SWAP1 MSTORE SWAP1 DUP11 AND SWAP4 PUSH4 0x150B7A02 SWAP4 SWAP3 DUP13 SWAP3 DUP12 SWAP3 DUP12 SWAP3 DUP12 SWAP3 SWAP1 SWAP2 PUSH1 0xA4 ADD DUP5 DUP5 DUP1 DUP3 DUP5 CALLDATACOPY DUP3 ADD SWAP2 POP POP SWAP7 POP POP POP POP POP POP POP PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0xBB2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0xBC6 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x20 DUP2 LT ISZERO PUSH2 0xBDC JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP MLOAD PUSH1 0x40 DUP1 MLOAD PUSH32 0x6F6E455243373231526563656976656428616464726573732C61646472657373 DUP2 MSTORE PUSH32 0x2C75696E743235362C6279746573290000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x2F ADD SWAP1 KECCAK256 SWAP1 SWAP2 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP1 DUP4 AND SWAP2 AND EQ PUSH2 0xCCB JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x17 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x4552433732315F494E56414C49445F53454C4543544F52000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP POP POP POP POP POP POP JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP2 DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP4 SWAP1 SWAP5 AND DUP3 MSTORE SWAP2 SWAP1 SWAP2 MSTORE KECCAK256 SLOAD PUSH1 0xFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 GT ISZERO PUSH2 0xD80 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F554E444552464C4F57000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP SWAP1 SUB SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 ADD DUP4 DUP2 LT ISZERO PUSH2 0xDFA JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST SWAP4 SWAP3 POP POP POP JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 PUSH20 0x18C14C91209A554964C5F972B95A90FE384DD7DD SWAP7 0xcc REVERT MOD MULMOD SLOAD 0x4e PUSH5 0x39C3C90029 ", + "sourceMap": "712:8295:56:-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;8388:140;;8:9:-1;5:2;;;30:1;27;20:12;5:2;-1:-1;8388:140:56;;;;;;;;;;;;;;;;;;;;;;;;4378:400;;8:9:-1;5:2;;;30:1;27;20:12;5:2;-1:-1;4378:400:56;;;;;;;;;;;6624:974;;8:9:-1;5:2;;;30:1;27;20:12;5:2;-1:-1;6624:974:56;;;;;;;;;;;;;;3326:682;;8:9:-1;5:2;;;30:1;27;20:12;5:2;-1:-1;3326:682:56;;;;;;;;;;;;;;7860:257;;8:9:-1;5:2;;;30:1;27;20:12;5:2;-1:-1;7860:257:56;;;;;5783:229;;8:9:-1;5:2;;;30:1;27;20:12;5:2;-1:-1;5783:229:56;;;;;;;;;;;;;;;;;;;;;;;5184:261;;8:9:-1;5:2;;;30:1;27;20:12;5:2;-1:-1;5184:261:56;;;;;;;;;;;2257:706;;8:9:-1;5:2;;;30:1;27;20:12;5:2;-1:-1;2257:706:56;;;;;;;;;;;;;;;;;;;;;;;;;;;;8829:176;;8:9:-1;5:2;;;30:1;27;20:12;5:2;-1:-1;8829:176:56;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;8388:140;8472:7;8502:19;;;:9;:19;;;;;;;;;8388:140::o;4378:400::-;4463:13;4479:17;4487:8;4479:7;:17::i;:::-;4463:33;-1:-1:-1;4527:10:56;:19;;;;;:58;;;4550:35;4567:5;4574:10;4550:16;:35::i;:::-;4506:126;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;4643:19;;;;:9;:19;;;;;;:31;;;;;;;;;;;;;;4689:82;;4643:19;;4689:82;;;;;;;4378:400;;;:::o;6624:974::-;6848:13;;;6772:17;;;;;6751:86;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;6864:17;6872:8;6864:7;:17::i;:::-;6848:33;-1:-1:-1;6912:14:56;;;;;;;;6891:82;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;7002:10;6984:28;;7048:21;7060:8;7048:11;:21::i;:::-;7022:47;;7111:5;7100:16;;:7;:16;;;:64;;;;7132:32;7149:5;7156:7;7132:16;:32::i;:::-;7100:106;;;;7199:7;7180:26;;:15;:26;;;7100:106;7079:175;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;7269:29;;;;7265:92;;7344:1;7314:19;;;:9;:19;;;;;:32;;;;;;7265:92;7367:6;:16;;;;;;;;;;;:22;;;;;;;;;;;;;;;7425:15;;;;:8;:15;;;;;;7417:27;;-1:-1:-1;7417:7:56;:27::i;:::-;7399:15;;;;;;;;:8;:15;;;;;;:45;;;;7478:13;;;;;;;7470:25;;7493:1;7470:7;:25::i;:::-;7454:13;;;;;;;;:8;:13;;;;;;:41;;;;7515:76;;7573:8;;7454:13;;7515:76;;;;;;6624:974;;;;;;:::o;3326:682::-;3550:24;3702:15;3459:80;3485:5;3504:3;3521:8;3459:12;:80::i;:::-;3639:3;3627:16;3607:36;;3685:1;3666:16;:20;3662:340;;;3720:148;;;;;;3775:10;3720:148;;;;:37;:148;;;;;;;;;;;;;;;;;;-1:-1:-1;3720:148:56;;;;;;;;:37;;;;;;:148;;;;;;;;;;;;;;;;;;:37;:148;;;5:2:-1;;;;30:1;27;20:12;5:2;3720:148:56;;;;8:9:-1;5:2;;;45:16;42:1;39;24:38;77:16;74:1;67:27;5:2;3720:148:56;;;;;;;13:2:-1;8:3;5:11;2:2;;;29:1;26;19:12;2:2;-1:-1;3720:148:56;902:60;;;;;;;3720:148;902:60;;;;;;;;;;;;;3720:148;;-1:-1:-1;3907:27:56;;;;;;;3882:109;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;3326:682;;;;;:::o;7860:257::-;7940:7;7979:16;;;;;;;;;;;;;8026:19;;;8005:83;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;8105:5;7860:257;-1:-1:-1;;7860:257:56:o;5783:229::-;5865:7;5909:20;;;;;5888:84;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;5989:16:56;;;;;;:8;:16;;;;;;;5783:229::o;5184:261::-;5295:10;5277:29;;;;:17;:29;;;;;;;;;:40;;;;;;;;;;;;:52;;;;;;;;;;;;;5344:94;;;;;;;5277:40;;5295:10;5344:94;;;;;;;;;;;5184:261;;:::o;2257:706::-;2502:24;2654:15;2411:80;2437:5;2456:3;2473:8;2411:12;:80::i;:::-;2591:3;2579:16;2559:36;;2637:1;2618:16;:20;2614:343;;;2672:151;;;;;2727:10;2672:151;;;;;;:37;:151;;;;;;;;;;;;;;;;;;;;;;;;;;:37;;;;;;2727:10;2755:5;;2778:8;;2804:5;;;;2672:151;;;;2804:5;;;;2672:151;;;;;;;;;;;;;;;;;;;;;;;;;;;8:9:-1;5:2;;;30:1;27;20:12;5:2;2672:151:56;;;;8:9:-1;5:2;;;45:16;42:1;39;24:38;77:16;74:1;67:27;5:2;2672:151:56;;;;;;;13:2:-1;8:3;5:11;2:2;;;29:1;26;19:12;2:2;-1:-1;2672:151:56;902:60;;;;;;;2672:151;902:60;;;;;;;;;;;;;2672:151;;-1:-1:-1;2862:27:56;;;;;;;2837:109;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;2257:706;;;;;;;:::o;8829:176::-;8962:25;;;;8935:4;8962:25;;;:17;:25;;;;;;;;:36;;;;;;;;;;;;;;;8829:176::o;502:208:65:-;588:7;632:6;;;;611:70;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;698:5:65;;;502:208::o;716:230::-;802:7;837:5;;;873:6;;;;852:69;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;938:1;716:230;-1:-1:-1;;;716:230:65:o" + } + } + }, + "sources": { + "2.0.0/extensions/Forwarder/Forwarder.sol": { + "id": 0 + }, + "2.0.0/extensions/Forwarder/MixinAssets.sol": { + "id": 1 + }, + "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": { + "id": 2 + }, + "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": { + "id": 3 + }, + "2.0.0/extensions/Forwarder/MixinWeth.sol": { + "id": 4 + }, + "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": { + "id": 5 + }, + "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": { + "id": 6 + }, + "2.0.0/extensions/Forwarder/libs/LibConstants.sol": { + "id": 7 + }, + "2.0.0/extensions/Forwarder/mixins/MAssets.sol": { + "id": 8 + }, + "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": { + "id": 9 + }, + "2.0.0/extensions/Forwarder/mixins/MWeth.sol": { + "id": 10 + }, + "2.0.0/extensions/OrderValidator/OrderValidator.sol": { + "id": 11 + }, + "2.0.0/multisig/MultiSigWallet.sol": { + "id": 12 + }, + "2.0.0/multisig/MultiSigWalletWithTimeLock.sol": { + "id": 13 + }, + "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": { + "id": 14 + }, + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": { + "id": 15 + }, + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": { + "id": 16 + }, + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": { + "id": 17 + }, + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": { + "id": 18 + }, + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": { + "id": 19 + }, + "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": { + "id": 20 + }, + "2.0.0/protocol/Exchange/Exchange.sol": { + "id": 21 + }, + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": { + "id": 22 + }, + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": { + "id": 23 + }, + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": { + "id": 24 + }, + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": { + "id": 25 + }, + "2.0.0/protocol/Exchange/MixinTransactions.sol": { + "id": 26 + }, + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": { + "id": 27 + }, + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": { + "id": 28 + }, + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": { + "id": 29 + }, + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": { + "id": 30 + }, + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": { + "id": 31 + }, + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": { + "id": 32 + }, + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": { + "id": 33 + }, + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": { + "id": 34 + }, + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": { + "id": 35 + }, + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": { + "id": 36 + }, + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": { + "id": 37 + }, + "2.0.0/protocol/Exchange/libs/LibConstants.sol": { + "id": 38 + }, + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": { + "id": 39 + }, + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": { + "id": 40 + }, + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": { + "id": 41 + }, + "2.0.0/protocol/Exchange/libs/LibMath.sol": { + "id": 42 + }, + "2.0.0/protocol/Exchange/libs/LibOrder.sol": { + "id": 43 + }, + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": { + "id": 44 + }, + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": { + "id": 45 + }, + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": { + "id": 46 + }, + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": { + "id": 47 + }, + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": { + "id": 48 + }, + "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": { + "id": 49 + }, + "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": { + "id": 50 + }, + "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": { + "id": 51 + }, + "2.0.0/tokens/ERC20Token/ERC20Token.sol": { + "id": 52 + }, + "2.0.0/tokens/ERC20Token/IERC20Token.sol": { + "id": 53 + }, + "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": { + "id": 54 + }, + "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": { + "id": 55 + }, + "2.0.0/tokens/ERC721Token/ERC721Token.sol": { + "id": 56 + }, + "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": { + "id": 57 + }, + "2.0.0/tokens/ERC721Token/IERC721Token.sol": { + "id": 58 + }, + "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": { + "id": 59 + }, + "2.0.0/tokens/EtherToken/IEtherToken.sol": { + "id": 60 + }, + "2.0.0/utils/LibBytes/LibBytes.sol": { + "id": 61 + }, + "2.0.0/utils/Ownable/IOwnable.sol": { + "id": 62 + }, + "2.0.0/utils/Ownable/Ownable.sol": { + "id": 63 + }, + "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": { + "id": 64 + }, + "2.0.0/utils/SafeMath/SafeMath.sol": { + "id": 65 + } + }, + "sourceCodes": { + "2.0.0/extensions/Forwarder/Forwarder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinWeth.sol\";\nimport \"./MixinForwarderCore.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinAssets.sol\";\nimport \"./MixinExchangeWrapper.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Forwarder is\n LibConstants,\n MixinWeth,\n MixinAssets,\n MixinExchangeWrapper,\n MixinForwarderCore\n{\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n LibConstants(\n _exchange,\n _zrxAssetData,\n _wethAssetData\n )\n MixinForwarderCore()\n {}\n}\n", + "2.0.0/extensions/Forwarder/MixinAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MAssets.sol\";\n\n\ncontract MixinAssets is\n Ownable,\n LibConstants,\n MAssets\n{\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256(\"transfer(address,uint256)\"));\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external\n onlyOwner\n {\n transferAssetToSender(assetData, amount);\n }\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n bytes4 proxyId = assetData.readBytes4(0);\n\n if (proxyId == ERC20_DATA_ID) {\n transferERC20Token(assetData, amount);\n } else if (proxyId == ERC721_DATA_ID) {\n transferERC721Token(assetData, amount);\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n }\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n address token = assetData.readAddress(16);\n\n // Transfer tokens.\n // We do a raw call so we can check the success separate\n // from the return data.\n bool success = token.call(abi.encodeWithSelector(\n ERC20_TRANSFER_SELECTOR,\n msg.sender,\n amount\n ));\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n \n // Check return data.\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // value that evaluates to true.\n assembly {\n if returndatasize {\n success := 0\n if eq(returndatasize, 32) {\n // First 64 bytes of memory are reserved scratch space\n returndatacopy(0, 0, 32)\n success := mload(0)\n }\n }\n }\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n }\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n require(\n amount == 1,\n \"INVALID_AMOUNT\"\n );\n // Decode asset data.\n address token = assetData.readAddress(16);\n uint256 tokenId = assetData.readUint256(36);\n\n // Perform transfer.\n IERC721Token(token).transferFrom(\n address(this),\n msg.sender,\n tokenId\n );\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"../../protocol/Exchange/libs/LibAbiEncoder.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinExchangeWrapper is\n LibAbiEncoder,\n LibFillResults,\n LibMath,\n LibConstants,\n MExchangeWrapper\n{\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n address exchange = address(EXCHANGE);\n\n // Call `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := call(\n gas, // forward all gas\n exchange, // call address of Exchange contract\n 0, // transfer 0 wei\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of WETH to sell\n uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of WETH\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount;\n if (makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n\n require(\n makerAssetFilledAmount >= makerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n // Do nothing if zrxBuyAmount == 0\n if (zrxBuyAmount == 0) {\n return totalFillResults;\n }\n\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n uint256 zrxPurchased = 0;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // All of these are ZRX/WETH, so we can drop the respective assetData from calldata.\n orders[i].makerAssetData = zrxAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of ZRX to buy.\n uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased);\n\n // Convert the remaining amount of ZRX to buy into remaining amount\n // of WETH to sell, assuming entire amount can be sold in the current order.\n uint256 remainingWethSellAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees \n remainingZrxBuyAmount\n );\n\n // Attempt to sell the remaining amount of WETH.\n FillResults memory singleFillResult = fillOrderNoThrow(\n orders[i],\n safeAdd(remainingWethSellAmount, 1), // we add 1 wei to the fill amount to make up for rounding errors\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker.\n addFillResults(totalFillResults, singleFillResult);\n zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid);\n\n // Stop execution if the entire amount of ZRX has been bought.\n if (zrxPurchased >= zrxBuyAmount) {\n break;\n }\n }\n\n require(\n zrxPurchased >= zrxBuyAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\nimport \"./mixins/MAssets.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"./interfaces/IForwarderCore.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinForwarderCore is\n LibFillResults,\n LibMath,\n LibConstants,\n MWeth,\n MAssets,\n MExchangeWrapper,\n IForwarderCore\n{\n using LibBytes for bytes;\n\n /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf.\n constructor ()\n public\n {\n address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID);\n require(\n proxyAddress != address(0),\n \"UNREGISTERED_ASSET_PROXY\"\n );\n ETHER_TOKEN.approve(proxyAddress, MAX_UINT);\n ZRX_TOKEN.approve(proxyAddress, MAX_UINT);\n }\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 wethSellAmount;\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // Calculate amount of WETH that won't be spent on ETH fees.\n wethSellAmount = getPartialAmountFloor(\n PERCENTAGE_DENOMINATOR,\n safeAdd(PERCENTAGE_DENOMINATOR, feePercentage),\n msg.value\n );\n // Market sell available WETH.\n // ZRX fees are paid with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // 5% of WETH is reserved for filling feeOrders and paying feeRecipient.\n wethSellAmount = getPartialAmountFloor(\n MAX_WETH_FILL_PERCENTAGE,\n PERCENTAGE_DENOMINATOR,\n msg.value\n );\n // Market sell 95% of WETH.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // If the makerAsset is ZRX, it is not necessary to pay fees out of this\n // contracts's ZRX balance because fees are factored into the price of the order.\n orderFillResults = marketBuyExactZrxWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // Attemp to purchase desired amount of makerAsset.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketBuyExactAmountWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\n\n\ncontract MixinWeth is\n LibMath,\n LibConstants,\n MWeth\n{\n /// @dev Default payabale function, this allows us to withdraw WETH\n function ()\n public\n payable\n {\n require(\n msg.sender == address(ETHER_TOKEN),\n \"DEFAULT_FUNCTION_WETH_CONTRACT_ONLY\"\n );\n }\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal\n {\n require(\n msg.value > 0,\n \"INVALID_MSG_VALUE\"\n );\n ETHER_TOKEN.deposit.value(msg.value)();\n }\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal\n {\n // Ensure feePercentage is less than 5%.\n require(\n feePercentage <= MAX_FEE_PERCENTAGE,\n \"FEE_PERCENTAGE_TOO_LARGE\"\n );\n\n // Ensure that no extra WETH owned by this contract has been sold.\n uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx);\n require(\n wethSold <= msg.value,\n \"OVERSOLD_WETH\"\n );\n\n // Calculate amount of WETH that hasn't been sold.\n uint256 wethRemaining = safeSub(msg.value, wethSold);\n\n // Calculate ETH fee to pay to feeRecipient.\n uint256 ethFee = getPartialAmountFloor(\n feePercentage,\n PERCENTAGE_DENOMINATOR,\n wethSoldExcludingFeeOrders\n );\n\n // Ensure fee is less than amount of WETH remaining.\n require(\n ethFee <= wethRemaining,\n \"INSUFFICIENT_ETH_REMAINING\"\n );\n \n // Do nothing if no WETH remaining\n if (wethRemaining > 0) {\n // Convert remaining WETH to ETH\n ETHER_TOKEN.withdraw(wethRemaining);\n\n // Pay ETH to feeRecipient\n if (ethFee > 0) {\n feeRecipient.transfer(ethFee);\n }\n\n // Refund remaining ETH to msg.sender.\n uint256 ethRefund = safeSub(wethRemaining, ethFee);\n if (ethRefund > 0) {\n msg.sender.transfer(ethRefund);\n }\n }\n }\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssets {\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external;\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract IForwarderCore {\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n}\n", + "2.0.0/extensions/Forwarder/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/LibBytes/LibBytes.sol\";\nimport \"../../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../../tokens/EtherToken/IEtherToken.sol\";\nimport \"../../../tokens/ERC20Token/IERC20Token.sol\";\n\n\ncontract LibConstants {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n uint256 constant internal MAX_UINT = 2**256 - 1;\n uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; \n uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5%\n uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95%\n \n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n IEtherToken internal ETHER_TOKEN;\n IERC20Token internal ZRX_TOKEN;\n bytes internal ZRX_ASSET_DATA;\n bytes internal WETH_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n WETH_ASSET_DATA = _wethAssetData;\n\n address etherToken = _wethAssetData.readAddress(16);\n address zrxToken = _zrxAssetData.readAddress(16);\n ETHER_TOKEN = IEtherToken(etherToken);\n ZRX_TOKEN = IERC20Token(zrxToken);\n }\n}\n", + "2.0.0/extensions/Forwarder/mixins/MAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssets.sol\";\n\n\ncontract MAssets is\n IAssets\n{\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract MExchangeWrapper {\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n}\n", + "2.0.0/extensions/Forwarder/mixins/MWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract MWeth {\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal;\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal;\n}\n", + "2.0.0/extensions/OrderValidator/OrderValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract OrderValidator {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n struct TraderInfo {\n uint256 makerBalance; // Maker's balance of makerAsset\n uint256 makerAllowance; // Maker's allowance to corresponding AssetProxy\n uint256 takerBalance; // Taker's balance of takerAsset\n uint256 takerAllowance; // Taker's allowance to corresponding AssetProxy\n uint256 makerZrxBalance; // Maker's balance of ZRX\n uint256 makerZrxAllowance; // Maker's allowance of ZRX to ERC20Proxy\n uint256 takerZrxBalance; // Taker's balance of ZRX\n uint256 takerZrxAllowance; // Taker's allowance of ZRX to ERC20Proxy\n }\n\n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n bytes internal ZRX_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (address _exchange, bytes memory _zrxAssetData)\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n }\n\n /// @dev Fetches information for order and maker/taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return OrderInfo and TraderInfo instances for given order.\n function getOrderAndTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo, TraderInfo memory traderInfo)\n {\n orderInfo = EXCHANGE.getOrderInfo(order);\n traderInfo = getTraderInfo(order, takerAddress);\n return (orderInfo, traderInfo);\n }\n\n /// @dev Fetches information for all passed in orders and the makers/takers of each order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Arrays of OrderInfo and TraderInfo instances that correspond to each order.\n function getOrdersAndTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (LibOrder.OrderInfo[] memory ordersInfo, TraderInfo[] memory tradersInfo)\n {\n ordersInfo = EXCHANGE.getOrdersInfo(orders);\n tradersInfo = getTradersInfo(orders, takerAddresses);\n return (ordersInfo, tradersInfo);\n }\n\n /// @dev Fetches balance and allowances for maker and taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return Balances and allowances of maker and taker of order.\n function getTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (TraderInfo memory traderInfo)\n {\n (traderInfo.makerBalance, traderInfo.makerAllowance) = getBalanceAndAllowance(order.makerAddress, order.makerAssetData);\n (traderInfo.takerBalance, traderInfo.takerAllowance) = getBalanceAndAllowance(takerAddress, order.takerAssetData);\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n (traderInfo.makerZrxBalance, traderInfo.makerZrxAllowance) = getBalanceAndAllowance(order.makerAddress, zrxAssetData);\n (traderInfo.takerZrxBalance, traderInfo.takerZrxAllowance) = getBalanceAndAllowance(takerAddress, zrxAssetData);\n return traderInfo;\n }\n\n /// @dev Fetches balances and allowances of maker and taker for each provided order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Array of balances and allowances for maker and taker of each order.\n function getTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (TraderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n TraderInfo[] memory tradersInfo = new TraderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n tradersInfo[i] = getTraderInfo(orders[i], takerAddresses[i]);\n }\n return tradersInfo;\n }\n\n /// @dev Fetches token balances and allowances of an address to given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Encoded data that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balance of asset and allowance set to given proxy of asset.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalanceAndAllowance(address target, bytes memory assetData)\n public\n view\n returns (uint256 balance, uint256 allowance)\n {\n bytes4 assetProxyId = assetData.readBytes4(0);\n address token = assetData.readAddress(16);\n address assetProxy = EXCHANGE.getAssetProxy(assetProxyId);\n\n if (assetProxyId == ERC20_DATA_ID) {\n // Query balance\n balance = IERC20Token(token).balanceOf(target);\n\n // Query allowance\n allowance = IERC20Token(token).allowance(target, assetProxy);\n } else if (assetProxyId == ERC721_DATA_ID) {\n uint256 tokenId = assetData.readUint256(36);\n\n // Query owner of tokenId\n address owner = getERC721TokenOwner(token, tokenId);\n\n // Set balance to 1 if tokenId is owned by target\n balance = target == owner ? 1 : 0;\n\n // Check if ERC721Proxy is approved to spend tokenId\n bool isApproved = IERC721Token(token).isApprovedForAll(target, assetProxy) || IERC721Token(token).getApproved(tokenId) == assetProxy;\n \n // Set alowance to 1 if ERC721Proxy is approved to spend tokenId\n allowance = isApproved ? 1 : 0;\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n return (balance, allowance);\n }\n\n /// @dev Fetches token balances and allowances of an address for each given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Array of encoded byte arrays that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balances and allowances of assets.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalancesAndAllowances(address target, bytes[] memory assetData)\n public\n view\n returns (uint256[] memory, uint256[] memory)\n {\n uint256 length = assetData.length;\n uint256[] memory balances = new uint256[](length);\n uint256[] memory allowances = new uint256[](length);\n for (uint256 i = 0; i != length; i++) {\n (balances[i], allowances[i]) = getBalanceAndAllowance(target, assetData[i]);\n }\n return (balances, allowances);\n }\n\n /// @dev Calls `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token.\n /// @param token Address of ERC721 token.\n /// @param tokenId The identifier for the specific NFT.\n /// @return Owner of tokenId or null address if unowned.\n function getERC721TokenOwner(address token, uint256 tokenId)\n public\n view\n returns (address owner)\n {\n assembly {\n // load free memory pointer\n let cdStart := mload(64)\n\n // bytes4(keccak256(ownerOf(uint256))) = 0x6352211e\n mstore(cdStart, 0x6352211e00000000000000000000000000000000000000000000000000000000)\n mstore(add(cdStart, 4), tokenId)\n\n // staticcall `ownerOf(tokenId)`\n // `ownerOf` will revert if tokenId is not owned\n let success := staticcall(\n gas, // forward all gas\n token, // call token contract\n cdStart, // start of calldata\n 36, // length of input is 36 bytes\n cdStart, // write output over input\n 32 // size of output is 32 bytes\n )\n\n // Success implies that tokenId is owned\n // Copy owner from return data if successful\n if success {\n owner := mload(cdStart)\n } \n }\n\n // Owner initialized to address(0), no need to modify if call is unsuccessful\n return owner;\n }\n}\n", + "2.0.0/multisig/MultiSigWallet.sol": "// solhint-disable\npragma solidity ^0.4.15;\n\n\n/// @title Multisignature wallet - Allows multiple parties to agree on transactions before execution.\n/// @author Stefan George - \ncontract MultiSigWallet {\n\n /*\n * Events\n */\n event Confirmation(address indexed sender, uint indexed transactionId);\n event Revocation(address indexed sender, uint indexed transactionId);\n event Submission(uint indexed transactionId);\n event Execution(uint indexed transactionId);\n event ExecutionFailure(uint indexed transactionId);\n event Deposit(address indexed sender, uint value);\n event OwnerAddition(address indexed owner);\n event OwnerRemoval(address indexed owner);\n event RequirementChange(uint required);\n\n /*\n * Constants\n */\n uint constant public MAX_OWNER_COUNT = 50;\n\n /*\n * Storage\n */\n mapping (uint => Transaction) public transactions;\n mapping (uint => mapping (address => bool)) public confirmations;\n mapping (address => bool) public isOwner;\n address[] public owners;\n uint public required;\n uint public transactionCount;\n\n struct Transaction {\n address destination;\n uint value;\n bytes data;\n bool executed;\n }\n\n /*\n * Modifiers\n */\n modifier onlyWallet() {\n require(msg.sender == address(this));\n _;\n }\n\n modifier ownerDoesNotExist(address owner) {\n require(!isOwner[owner]);\n _;\n }\n\n modifier ownerExists(address owner) {\n require(isOwner[owner]);\n _;\n }\n\n modifier transactionExists(uint transactionId) {\n require(transactions[transactionId].destination != 0);\n _;\n }\n\n modifier confirmed(uint transactionId, address owner) {\n require(confirmations[transactionId][owner]);\n _;\n }\n\n modifier notConfirmed(uint transactionId, address owner) {\n require(!confirmations[transactionId][owner]);\n _;\n }\n\n modifier notExecuted(uint transactionId) {\n require(!transactions[transactionId].executed);\n _;\n }\n\n modifier notNull(address _address) {\n require(_address != 0);\n _;\n }\n\n modifier validRequirement(uint ownerCount, uint _required) {\n require(ownerCount <= MAX_OWNER_COUNT\n && _required <= ownerCount\n && _required != 0\n && ownerCount != 0);\n _;\n }\n\n /// @dev Fallback function allows to deposit ether.\n function()\n payable\n {\n if (msg.value > 0)\n Deposit(msg.sender, msg.value);\n }\n\n /*\n * Public functions\n */\n /// @dev Contract constructor sets initial owners and required number of confirmations.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n function MultiSigWallet(address[] _owners, uint _required)\n public\n validRequirement(_owners.length, _required)\n {\n for (uint i=0; i<_owners.length; i++) {\n require(!isOwner[_owners[i]] && _owners[i] != 0);\n isOwner[_owners[i]] = true;\n }\n owners = _owners;\n required = _required;\n }\n\n /// @dev Allows to add a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of new owner.\n function addOwner(address owner)\n public\n onlyWallet\n ownerDoesNotExist(owner)\n notNull(owner)\n validRequirement(owners.length + 1, required)\n {\n isOwner[owner] = true;\n owners.push(owner);\n OwnerAddition(owner);\n }\n\n /// @dev Allows to remove an owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner.\n function removeOwner(address owner)\n public\n onlyWallet\n ownerExists(owner)\n {\n isOwner[owner] = false;\n for (uint i=0; i owners.length)\n changeRequirement(owners.length);\n OwnerRemoval(owner);\n }\n\n /// @dev Allows to replace an owner with a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner to be replaced.\n /// @param newOwner Address of new owner.\n function replaceOwner(address owner, address newOwner)\n public\n onlyWallet\n ownerExists(owner)\n ownerDoesNotExist(newOwner)\n {\n for (uint i=0; i\n// solhint-disable not-rely-on-time\ncontract MultiSigWalletWithTimeLock is\n MultiSigWallet\n{\n event ConfirmationTimeSet(uint256 indexed transactionId, uint256 confirmationTime);\n event TimeLockChange(uint256 secondsTimeLocked);\n\n uint256 public secondsTimeLocked;\n\n mapping (uint256 => uint256) public confirmationTimes;\n\n modifier notFullyConfirmed(uint256 transactionId) {\n require(\n !isConfirmed(transactionId),\n \"TX_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier fullyConfirmed(uint256 transactionId) {\n require(\n isConfirmed(transactionId),\n \"TX_NOT_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier pastTimeLock(uint256 transactionId) {\n require(\n block.timestamp >= confirmationTimes[transactionId] + secondsTimeLocked,\n \"TIME_LOCK_INCOMPLETE\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations, and time lock.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] _owners,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWallet(_owners, _required)\n {\n secondsTimeLocked = _secondsTimeLocked;\n }\n\n /// @dev Changes the duration of the time lock for transactions.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n function changeTimeLock(uint256 _secondsTimeLocked)\n public\n onlyWallet\n {\n secondsTimeLocked = _secondsTimeLocked;\n emit TimeLockChange(_secondsTimeLocked);\n }\n\n /// @dev Allows an owner to confirm a transaction.\n /// @param transactionId Transaction ID.\n function confirmTransaction(uint256 transactionId)\n public\n ownerExists(msg.sender)\n transactionExists(transactionId)\n notConfirmed(transactionId, msg.sender)\n notFullyConfirmed(transactionId)\n {\n confirmations[transactionId][msg.sender] = true;\n emit Confirmation(msg.sender, transactionId);\n if (isConfirmed(transactionId)) {\n setConfirmationTime(transactionId, block.timestamp);\n }\n }\n\n /// @dev Allows anyone to execute a confirmed transaction.\n /// @param transactionId Transaction ID.\n function executeTransaction(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n pastTimeLock(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n\n /// @dev Sets the time of when a submission first passed.\n function setConfirmationTime(uint256 transactionId, uint256 confirmationTime)\n internal\n {\n confirmationTimes[transactionId] = confirmationTime;\n emit ConfirmationTimeSet(transactionId, confirmationTime);\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC20Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n \n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 1 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n\n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. amount |\n\n /////// Read token address from calldata ///////\n // * The token address is stored in `assetData`.\n //\n // * The \"offset to assetData\" is stored at offset 4 in the calldata (table 1).\n // [assetDataOffsetFromParams = calldataload(4)]\n //\n // * Notes that the \"offset to assetData\" is relative to the \"Params\" area of calldata;\n // add 4 bytes to account for the length of the \"Header\" area (table 1).\n // [assetDataOffsetFromHeader = assetDataOffsetFromParams + 4]\n //\n // * The \"token address\" is offset 32+4=36 bytes into \"assetData\" (tables 1 & 2).\n // [tokenOffset = assetDataOffsetFromHeader + 36 = calldataload(4) + 4 + 36]\n let token := calldataload(add(calldataload(4), 40))\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from`, `to` and `amount` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 96)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output over input\n 32 // output size should be 32 bytes\n )\n\n /////// Check return data. ///////\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // nonzero 32 bytes value.\n // So the transfer succeeded if the call succeeded and either\n // returned nothing, or returned a non-zero 32 byte value. \n success := and(success, or(\n iszero(returndatasize),\n and(\n eq(returndatasize, 32),\n gt(mload(0), 0)\n )\n ))\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC721Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 2 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n // | | 36 | | 2. tokenId |\n \n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. tokenId |\n\n // There exists only 1 of each token.\n // require(amount == 1, \"INVALID_AMOUNT\")\n if sub(calldataload(100), 1) {\n // Revert with `Error(\"INVALID_AMOUNT\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from` and `to` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 64)\n\n // Copy `tokenId` field from our own calldata to the new calldata.\n let assetDataOffset := calldataload(4)\n calldatacopy(68, add(assetDataOffset, 72), 32)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let token := calldataload(add(assetDataOffset, 40))\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output to null\n 0 // output size is 0 bytes\n )\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAuthorizable.sol\";\n\n\ncontract MixinAuthorizable is\n Ownable,\n MAuthorizable\n{\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized {\n require(\n authorized[msg.sender],\n \"SENDER_NOT_AUTHORIZED\"\n );\n _;\n }\n\n mapping (address => bool) public authorized;\n address[] public authorities;\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n !authorized[target],\n \"TARGET_ALREADY_AUTHORIZED\"\n );\n\n authorized[target] = true;\n authorities.push(target);\n emit AuthorizedAddressAdded(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n\n delete authorized[target];\n for (uint256 i = 0; i < authorities.length; i++) {\n if (authorities[i] == target) {\n authorities[i] = authorities[authorities.length - 1];\n authorities.length -= 1;\n break;\n }\n }\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n require(\n index < authorities.length,\n \"INDEX_OUT_OF_BOUNDS\"\n );\n require(\n authorities[index] == target,\n \"AUTHORIZED_ADDRESS_MISMATCH\"\n );\n\n delete authorized[target];\n authorities[index] = authorities[authorities.length - 1];\n authorities.length -= 1;\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory)\n {\n return authorities;\n }\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IAuthorizable.sol\";\n\n\ncontract IAssetProxy is\n IAuthorizable\n{\n /// @dev Transfers assets. Either succeeds or throws.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n function transferFrom(\n bytes assetData,\n address from,\n address to,\n uint256 amount\n )\n external;\n \n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4);\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/Ownable/IOwnable.sol\";\n\n\ncontract IAuthorizable is\n IOwnable\n{\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external;\n \n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory);\n}\n", + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAuthorizable.sol\";\n\n\ncontract MAuthorizable is\n IAuthorizable\n{\n // Event logged when a new address is authorized.\n event AuthorizedAddressAdded(\n address indexed target,\n address indexed caller\n );\n\n // Event logged when a currently authorized address is unauthorized.\n event AuthorizedAddressRemoved(\n address indexed target,\n address indexed caller\n );\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized { revert(); _; }\n}\n", + "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../multisig/MultiSigWalletWithTimeLock.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract AssetProxyOwner is\n MultiSigWalletWithTimeLock\n{\n using LibBytes for bytes;\n\n event AssetProxyRegistration(address assetProxyContract, bool isRegistered);\n\n // Mapping of AssetProxy contract address =>\n // if this contract is allowed to call the AssetProxy's `removeAuthorizedAddressAtIndex` method without a time lock.\n mapping (address => bool) public isAssetProxyRegistered;\n\n bytes4 constant internal REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR = bytes4(keccak256(\"removeAuthorizedAddressAtIndex(address,uint256)\"));\n\n /// @dev Function will revert if the transaction does not call `removeAuthorizedAddressAtIndex`\n /// on an approved AssetProxy contract.\n modifier validRemoveAuthorizedAddressAtIndexTx(uint256 transactionId) {\n Transaction storage txn = transactions[transactionId];\n require(\n isAssetProxyRegistered[txn.destination],\n \"UNREGISTERED_ASSET_PROXY\"\n );\n require(\n txn.data.readBytes4(0) == REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR,\n \"INVALID_FUNCTION_SELECTOR\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations,\n /// time lock, and list of AssetProxy addresses.\n /// @param _owners List of initial owners.\n /// @param _assetProxyContracts Array of AssetProxy contract addresses.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] memory _owners,\n address[] memory _assetProxyContracts,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWalletWithTimeLock(_owners, _required, _secondsTimeLocked)\n {\n for (uint256 i = 0; i < _assetProxyContracts.length; i++) {\n address assetProxy = _assetProxyContracts[i];\n require(\n assetProxy != address(0),\n \"INVALID_ASSET_PROXY\"\n );\n isAssetProxyRegistered[assetProxy] = true;\n }\n }\n\n /// @dev Registers or deregisters an AssetProxy to be able to execute\n /// `removeAuthorizedAddressAtIndex` without a timelock.\n /// @param assetProxyContract Address of AssetProxy contract.\n /// @param isRegistered Status of approval for AssetProxy contract.\n function registerAssetProxy(address assetProxyContract, bool isRegistered)\n public\n onlyWallet\n notNull(assetProxyContract)\n {\n isAssetProxyRegistered[assetProxyContract] = isRegistered;\n emit AssetProxyRegistration(assetProxyContract, isRegistered);\n }\n\n /// @dev Allows execution of `removeAuthorizedAddressAtIndex` without time lock.\n /// @param transactionId Transaction ID.\n function executeRemoveAuthorizedAddressAtIndex(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n validRemoveAuthorizedAddressAtIndexTx(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n}\n", + "2.0.0/protocol/Exchange/Exchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinExchangeCore.sol\";\nimport \"./MixinSignatureValidator.sol\";\nimport \"./MixinWrapperFunctions.sol\";\nimport \"./MixinAssetProxyDispatcher.sol\";\nimport \"./MixinTransactions.sol\";\nimport \"./MixinMatchOrders.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Exchange is\n MixinExchangeCore,\n MixinMatchOrders,\n MixinSignatureValidator,\n MixinTransactions,\n MixinAssetProxyDispatcher,\n MixinWrapperFunctions\n{\n string constant public VERSION = \"2.0.1-alpha\";\n\n // Mixins are instantiated in the order they are inherited\n constructor (bytes memory _zrxAssetData)\n public\n LibConstants(_zrxAssetData) // @TODO: Remove when we deploy.\n MixinExchangeCore()\n MixinMatchOrders()\n MixinSignatureValidator()\n MixinTransactions()\n MixinAssetProxyDispatcher()\n MixinWrapperFunctions()\n {}\n}\n", + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\nimport \"../AssetProxy/interfaces/IAssetProxy.sol\";\n\n\ncontract MixinAssetProxyDispatcher is\n Ownable,\n MAssetProxyDispatcher\n{\n // Mapping from Asset Proxy Id's to their respective Asset Proxy\n mapping (bytes4 => IAssetProxy) public assetProxies;\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external\n onlyOwner\n {\n IAssetProxy assetProxyContract = IAssetProxy(assetProxy);\n\n // Ensure that no asset proxy exists with current id.\n bytes4 assetProxyId = assetProxyContract.getProxyId();\n address currentAssetProxy = assetProxies[assetProxyId];\n require(\n currentAssetProxy == address(0),\n \"ASSET_PROXY_ALREADY_EXISTS\"\n );\n\n // Add asset proxy and log registration.\n assetProxies[assetProxyId] = assetProxyContract;\n emit AssetProxyRegistered(\n assetProxyId,\n assetProxy\n );\n }\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address)\n {\n return assetProxies[assetProxyId];\n }\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal\n {\n // Do nothing if no amount should be transferred.\n if (amount > 0 && from != to) {\n // Ensure assetData length is valid\n require(\n assetData.length > 3,\n \"LENGTH_GREATER_THAN_3_REQUIRED\"\n );\n \n // Lookup assetProxy. We do not use `LibBytes.readBytes4` for gas efficiency reasons.\n bytes4 assetProxyId;\n assembly {\n assetProxyId := and(mload(\n add(assetData, 32)),\n 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000\n )\n }\n address assetProxy = assetProxies[assetProxyId];\n\n // Ensure that assetProxy exists\n require(\n assetProxy != address(0),\n \"ASSET_PROXY_DOES_NOT_EXIST\"\n );\n \n // We construct calldata for the `assetProxy.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n\n assembly {\n /////// Setup State ///////\n // `cdStart` is the start of the calldata for `assetProxy.transferFrom` (equal to free memory ptr).\n let cdStart := mload(64)\n // `dataAreaLength` is the total number of words needed to store `assetData`\n // As-per the ABI spec, this value is padded up to the nearest multiple of 32,\n // and includes 32-bytes for length.\n let dataAreaLength := and(add(mload(assetData), 63), 0xFFFFFFFFFFFE0)\n // `cdEnd` is the end of the calldata for `assetProxy.transferFrom`.\n let cdEnd := add(cdStart, add(132, dataAreaLength))\n\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFromSelector`.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes.\n // Notes:\n // 1. The offset to `assetData` is the length of the Params Area (128 bytes).\n // 2. A 20-byte mask is applied to addresses to zero-out the unused bytes.\n mstore(add(cdStart, 4), 128)\n mstore(add(cdStart, 36), and(from, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 68), and(to, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 100), amount)\n \n /////// Setup Data Area ///////\n // This area holds `assetData`.\n let dataArea := add(cdStart, 132)\n // solhint-disable-next-line no-empty-blocks\n for {} lt(dataArea, cdEnd) {} {\n mstore(dataArea, mload(assetData))\n dataArea := add(dataArea, 32)\n assetData := add(assetData, 32)\n }\n\n /////// Call `assetProxy.transferFrom` using the constructed calldata ///////\n let success := call(\n gas, // forward all gas\n assetProxy, // call address of asset proxy\n 0, // don't send any ETH\n cdStart, // pointer to start of input\n sub(cdEnd, cdStart), // length of input \n cdStart, // write output over input\n 512 // reserve 512 bytes for output\n )\n if iszero(success) {\n revert(cdStart, returndatasize())\n }\n }\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinExchangeCore is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n LibOrder,\n LibFillResults,\n MAssetProxyDispatcher,\n MExchangeCore,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of orderHash => amount of takerAsset already bought by maker\n mapping (bytes32 => uint256) public filled;\n\n // Mapping of orderHash => cancelled\n mapping (bytes32 => bool) public cancelled;\n\n // Mapping of makerAddress => senderAddress => lowest salt an order can have in order to be fillable\n // Orders with specified senderAddress and with a salt less than their epoch are considered cancelled\n mapping (address => mapping (address => uint256)) public orderEpoch;\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external\n nonReentrant\n {\n address makerAddress = getCurrentContextAddress();\n // If this function is called via `executeTransaction`, we only update the orderEpoch for the makerAddress/msg.sender combination.\n // This allows external filter contracts to add rules to how orders are cancelled via this function.\n address senderAddress = makerAddress == msg.sender ? address(0) : msg.sender;\n\n // orderEpoch is initialized to 0, so to cancelUpTo we need salt + 1\n uint256 newOrderEpoch = targetOrderEpoch + 1; \n uint256 oldOrderEpoch = orderEpoch[makerAddress][senderAddress];\n\n // Ensure orderEpoch is monotonically increasing\n require(\n newOrderEpoch > oldOrderEpoch, \n \"INVALID_NEW_ORDER_EPOCH\"\n );\n\n // Update orderEpoch\n orderEpoch[makerAddress][senderAddress] = newOrderEpoch;\n emit CancelUpTo(\n makerAddress,\n senderAddress,\n newOrderEpoch\n );\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrder(Order memory order)\n public\n nonReentrant\n {\n cancelOrderInternal(order);\n }\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(Order memory order)\n public\n view\n returns (OrderInfo memory orderInfo)\n {\n // Compute the order hash\n orderInfo.orderHash = getOrderHash(order);\n\n // Fetch filled amount\n orderInfo.orderTakerAssetFilledAmount = filled[orderInfo.orderHash];\n\n // If order.makerAssetAmount is zero, we also reject the order.\n // While the Exchange contract handles them correctly, they create\n // edge cases in the supporting infrastructure because they have\n // an 'infinite' price when computed by a simple division.\n if (order.makerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_MAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // If order.takerAssetAmount is zero, then the order will always\n // be considered filled because 0 == takerAssetAmount == orderTakerAssetFilledAmount\n // Instead of distinguishing between unfilled and filled zero taker\n // amount orders, we choose not to support them.\n if (order.takerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_TAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // Validate order availability\n if (orderInfo.orderTakerAssetFilledAmount >= order.takerAssetAmount) {\n orderInfo.orderStatus = uint8(OrderStatus.FULLY_FILLED);\n return orderInfo;\n }\n\n // Validate order expiration\n // solhint-disable-next-line not-rely-on-time\n if (block.timestamp >= order.expirationTimeSeconds) {\n orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);\n return orderInfo;\n }\n\n // Check if order has been cancelled\n if (cancelled[orderInfo.orderHash]) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n if (orderEpoch[order.makerAddress][order.senderAddress] > order.salt) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n\n // All other statuses are ruled out: order is Fillable\n orderInfo.orderStatus = uint8(OrderStatus.FILLABLE);\n return orderInfo;\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // Fetch order info\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Assert that the order is fillable by taker\n assertFillableOrder(\n order,\n orderInfo,\n takerAddress,\n signature\n );\n \n // Get amount of takerAsset to fill\n uint256 remainingTakerAssetAmount = safeSub(order.takerAssetAmount, orderInfo.orderTakerAssetFilledAmount);\n uint256 takerAssetFilledAmount = min256(takerAssetFillAmount, remainingTakerAssetAmount);\n\n // Validate context\n assertValidFill(\n order,\n orderInfo,\n takerAssetFillAmount,\n takerAssetFilledAmount,\n fillResults.makerAssetFilledAmount\n );\n\n // Compute proportional fill amounts\n fillResults = calculateFillResults(order, takerAssetFilledAmount);\n\n // Update exchange internal state\n updateFilledState(\n order,\n takerAddress,\n orderInfo.orderHash,\n orderInfo.orderTakerAssetFilledAmount,\n fillResults\n );\n \n // Settle order\n settleOrder(\n order,\n takerAddress,\n fillResults\n );\n\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrderInternal(Order memory order)\n internal\n {\n // Fetch current order status\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Validate context\n assertValidCancel(order, orderInfo);\n\n // Perform cancel\n updateCancelledState(order, orderInfo.orderHash);\n }\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n function updateFilledState(\n Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n FillResults memory fillResults\n )\n internal\n {\n // Update state\n filled[orderHash] = safeAdd(orderTakerAssetFilledAmount, fillResults.takerAssetFilledAmount);\n\n // Log order\n emit Fill(\n order.makerAddress,\n order.feeRecipientAddress,\n takerAddress,\n msg.sender,\n fillResults.makerAssetFilledAmount,\n fillResults.takerAssetFilledAmount,\n fillResults.makerFeePaid,\n fillResults.takerFeePaid,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n Order memory order,\n bytes32 orderHash\n )\n internal\n {\n // Perform cancel\n cancelled[orderHash] = true;\n\n // Log cancel\n emit Cancel(\n order.makerAddress,\n order.feeRecipientAddress,\n msg.sender,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n Order memory order,\n OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view\n {\n // An order can only be filled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n \n // Validate sender is allowed to fill this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n \n // Validate taker is allowed to fill this order\n if (order.takerAddress != address(0)) {\n require(\n order.takerAddress == takerAddress,\n \"INVALID_TAKER\"\n );\n }\n \n // Validate Maker signature (check only if first time seen)\n if (orderInfo.orderTakerAssetFilledAmount == 0) {\n require(\n isValidSignature(\n orderInfo.orderHash,\n order.makerAddress,\n signature\n ),\n \"INVALID_ORDER_SIGNATURE\"\n );\n }\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n Order memory order,\n OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount, // TODO: use FillResults\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view\n {\n // Revert if fill amount is invalid\n // TODO: reconsider necessity for v2.1\n require(\n takerAssetFillAmount != 0,\n \"INVALID_TAKER_AMOUNT\"\n );\n \n // Make sure taker does not pay more than desired amount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n takerAssetFilledAmount <= takerAssetFillAmount,\n \"TAKER_OVERPAY\"\n );\n \n // Make sure order is not overfilled\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeAdd(orderInfo.orderTakerAssetFilledAmount, takerAssetFilledAmount) <= order.takerAssetAmount,\n \"ORDER_OVERFILL\"\n );\n \n // Make sure order is filled at acceptable price.\n // The order has an implied price from the makers perspective:\n // order price = order.makerAssetAmount / order.takerAssetAmount\n // i.e. the number of makerAsset maker is paying per takerAsset. The\n // maker is guaranteed to get this price or a better (lower) one. The\n // actual price maker is getting in this fill is:\n // fill price = makerAssetFilledAmount / takerAssetFilledAmount\n // We need `fill price <= order price` for the fill to be fair to maker.\n // This amounts to:\n // makerAssetFilledAmount order.makerAssetAmount\n // ------------------------ <= -----------------------\n // takerAssetFilledAmount order.takerAssetAmount\n // or, equivalently:\n // makerAssetFilledAmount * order.takerAssetAmount <=\n // order.makerAssetAmount * takerAssetFilledAmount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeMul(makerAssetFilledAmount, order.takerAssetAmount)\n <= \n safeMul(order.makerAssetAmount, takerAssetFilledAmount),\n \"INVALID_FILL_PRICE\"\n );\n }\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n Order memory order,\n OrderInfo memory orderInfo\n )\n internal\n view\n {\n // Ensure order is valid\n // An order can only be cancelled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Validate sender is allowed to cancel this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate transaction signed by maker\n address makerAddress = getCurrentContextAddress();\n require(\n order.makerAddress == makerAddress,\n \"INVALID_MAKER\"\n );\n }\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (FillResults memory fillResults)\n {\n // Compute proportional transfer amounts\n fillResults.takerAssetFilledAmount = takerAssetFilledAmount;\n fillResults.makerAssetFilledAmount = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n );\n fillResults.makerFeePaid = safeGetPartialAmountFloor(\n fillResults.makerAssetFilledAmount,\n order.makerAssetAmount,\n order.makerFee\n );\n fillResults.takerFeePaid = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.takerFee\n );\n\n return fillResults;\n }\n\n /// @dev Settles an order by transferring assets between counterparties.\n /// @param order Order struct containing order specifications.\n /// @param takerAddress Address selling takerAsset and buying makerAsset.\n /// @param fillResults Amounts to be filled and fees paid by maker and taker.\n function settleOrder(\n LibOrder.Order memory order,\n address takerAddress,\n LibFillResults.FillResults memory fillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n dispatchTransferFrom(\n order.makerAssetData,\n order.makerAddress,\n takerAddress,\n fillResults.makerAssetFilledAmount\n );\n dispatchTransferFrom(\n order.takerAssetData,\n takerAddress,\n order.makerAddress,\n fillResults.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n zrxAssetData,\n order.makerAddress,\n order.feeRecipientAddress,\n fillResults.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n order.feeRecipientAddress,\n fillResults.takerFeePaid\n );\n }\n}\n", + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": "/*\n Copyright 2018 ZeroEx Intl.\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n http://www.apache.org/licenses/LICENSE-2.0\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MMatchOrders.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinMatchOrders is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n MAssetProxyDispatcher,\n MExchangeCore,\n MMatchOrders,\n MTransactions\n{\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n nonReentrant\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We assume that rightOrder.takerAssetData == leftOrder.makerAssetData and rightOrder.makerAssetData == leftOrder.takerAssetData.\n // If this assumption isn't true, the match will fail at signature validation.\n rightOrder.makerAssetData = leftOrder.takerAssetData;\n rightOrder.takerAssetData = leftOrder.makerAssetData;\n\n // Get left & right order info\n LibOrder.OrderInfo memory leftOrderInfo = getOrderInfo(leftOrder);\n LibOrder.OrderInfo memory rightOrderInfo = getOrderInfo(rightOrder);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Either our context is valid or we revert\n assertFillableOrder(\n leftOrder,\n leftOrderInfo,\n takerAddress,\n leftSignature\n );\n assertFillableOrder(\n rightOrder,\n rightOrderInfo,\n takerAddress,\n rightSignature\n );\n assertValidMatch(leftOrder, rightOrder);\n\n // Compute proportional fill amounts\n matchedFillResults = calculateMatchedFillResults(\n leftOrder,\n rightOrder,\n leftOrderInfo.orderTakerAssetFilledAmount,\n rightOrderInfo.orderTakerAssetFilledAmount\n );\n\n // Validate fill contexts\n assertValidFill(\n leftOrder,\n leftOrderInfo,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.makerAssetFilledAmount\n );\n assertValidFill(\n rightOrder,\n rightOrderInfo,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n \n // Update exchange state\n updateFilledState(\n leftOrder,\n takerAddress,\n leftOrderInfo.orderHash,\n leftOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.left\n );\n updateFilledState(\n rightOrder,\n takerAddress,\n rightOrderInfo.orderHash,\n rightOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.right\n );\n\n // Settle matched orders. Succeeds or throws.\n settleMatchedOrders(\n leftOrder,\n rightOrder,\n takerAddress,\n matchedFillResults\n );\n\n return matchedFillResults;\n }\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure\n {\n // Make sure there is a profitable spread.\n // There is a profitable spread iff the cost per unit bought (OrderA.MakerAmount/OrderA.TakerAmount) for each order is greater\n // than the profit per unit sold of the matched order (OrderB.TakerAmount/OrderB.MakerAmount).\n // This is satisfied by the equations below:\n // / >= / \n // AND\n // / >= / \n // These equations can be combined to get the following:\n require(\n safeMul(leftOrder.makerAssetAmount, rightOrder.makerAssetAmount) >=\n safeMul(leftOrder.takerAssetAmount, rightOrder.takerAssetAmount),\n \"NEGATIVE_SPREAD_REQUIRED\"\n );\n }\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // Derive maker asset amounts for left & right orders, given store taker assert amounts\n uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);\n uint256 leftMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n leftTakerAssetAmountRemaining\n );\n uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);\n uint256 rightMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n rightOrder.makerAssetAmount,\n rightOrder.takerAssetAmount,\n rightTakerAssetAmountRemaining\n );\n\n // Calculate fill results for maker and taker assets: at least one order will be fully filled.\n // The maximum amount the left maker can buy is `leftTakerAssetAmountRemaining`\n // The maximum amount the right maker can sell is `rightMakerAssetAmountRemaining`\n // We have two distinct cases for calculating the fill results:\n // Case 1.\n // If the left maker can buy more than the right maker can sell, then only the right order is fully filled.\n // If the left maker can buy exactly what the right maker can sell, then both orders are fully filled.\n // Case 2.\n // If the left maker cannot buy more than the right maker can sell, then only the left order is fully filled.\n if (leftTakerAssetAmountRemaining >= rightMakerAssetAmountRemaining) {\n // Case 1: Right order is fully filled\n matchedFillResults.right.makerAssetFilledAmount = rightMakerAssetAmountRemaining;\n matchedFillResults.right.takerAssetFilledAmount = rightTakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = matchedFillResults.right.makerAssetFilledAmount;\n // Round down to ensure the maker's exchange rate does not exceed the price specified by the order. \n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.left.makerAssetFilledAmount = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n matchedFillResults.left.takerAssetFilledAmount\n );\n } else {\n // Case 2: Left order is fully filled\n matchedFillResults.left.makerAssetFilledAmount = leftMakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = leftTakerAssetAmountRemaining;\n matchedFillResults.right.makerAssetFilledAmount = matchedFillResults.left.takerAssetFilledAmount;\n // Round up to ensure the maker's exchange rate does not exceed the price specified by the order.\n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.right.takerAssetFilledAmount = safeGetPartialAmountCeil(\n rightOrder.takerAssetAmount,\n rightOrder.makerAssetAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n }\n\n // Calculate amount given to taker\n matchedFillResults.leftMakerAssetSpreadAmount = safeSub(\n matchedFillResults.left.makerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount\n );\n\n // Compute fees for left order\n matchedFillResults.left.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.makerAssetFilledAmount,\n leftOrder.makerAssetAmount,\n leftOrder.makerFee\n );\n matchedFillResults.left.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.takerAssetFilledAmount,\n leftOrder.takerAssetAmount,\n leftOrder.takerFee\n );\n\n // Compute fees for right order\n matchedFillResults.right.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.makerAssetFilledAmount,\n rightOrder.makerAssetAmount,\n rightOrder.makerFee\n );\n matchedFillResults.right.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.takerAssetFilledAmount,\n rightOrder.takerAssetAmount,\n rightOrder.takerFee\n );\n\n // Return fill results\n return matchedFillResults;\n }\n\n /// @dev Settles matched order by transferring appropriate funds between order makers, taker, and fee recipient.\n /// @param leftOrder First matched order.\n /// @param rightOrder Second matched order.\n /// @param takerAddress Address that matched the orders. The taker receives the spread between orders as profit.\n /// @param matchedFillResults Struct holding amounts to transfer between makers, taker, and fee recipients.\n function settleMatchedOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n address takerAddress,\n LibFillResults.MatchedFillResults memory matchedFillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n // Order makers and taker\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n rightOrder.makerAddress,\n matchedFillResults.right.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n rightOrder.makerAssetData,\n rightOrder.makerAddress,\n leftOrder.makerAddress,\n matchedFillResults.left.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n takerAddress,\n matchedFillResults.leftMakerAssetSpreadAmount\n );\n\n // Maker fees\n dispatchTransferFrom(\n zrxAssetData,\n leftOrder.makerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n rightOrder.makerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.makerFeePaid\n );\n\n // Taker fees\n if (leftOrder.feeRecipientAddress == rightOrder.feeRecipientAddress) {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n safeAdd(\n matchedFillResults.left.takerFeePaid,\n matchedFillResults.right.takerFeePaid\n )\n );\n } else {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.takerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.takerFeePaid\n );\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./interfaces/IWallet.sol\";\nimport \"./interfaces/IValidator.sol\";\n\n\ncontract MixinSignatureValidator is\n ReentrancyGuard,\n MSignatureValidator,\n MTransactions\n{\n using LibBytes for bytes;\n \n // Mapping of hash => signer => signed\n mapping (bytes32 => mapping (address => bool)) public preSigned;\n\n // Mapping of signer => validator => approved\n mapping (address => mapping (address => bool)) public allowedValidators;\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n {\n if (signerAddress != msg.sender) {\n require(\n isValidSignature(\n hash,\n signerAddress,\n signature\n ),\n \"INVALID_SIGNATURE\"\n );\n }\n preSigned[hash][signerAddress] = true;\n }\n\n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external\n nonReentrant\n {\n address signerAddress = getCurrentContextAddress();\n allowedValidators[signerAddress][validatorAddress] = approval;\n emit SignatureValidatorApproval(\n signerAddress,\n validatorAddress,\n approval\n );\n }\n\n /// @dev Verifies that a hash has been signed by the given signer.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid)\n {\n require(\n signature.length > 0,\n \"LENGTH_GREATER_THAN_0_REQUIRED\"\n );\n\n // Pop last byte off of signature byte array.\n uint8 signatureTypeRaw = uint8(signature.popLastByte());\n\n // Ensure signature is supported\n require(\n signatureTypeRaw < uint8(SignatureType.NSignatureTypes),\n \"SIGNATURE_UNSUPPORTED\"\n );\n\n SignatureType signatureType = SignatureType(signatureTypeRaw);\n\n // Variables are not scoped in Solidity.\n uint8 v;\n bytes32 r;\n bytes32 s;\n address recovered;\n\n // Always illegal signature.\n // This is always an implicit option since a signer can create a\n // signature array with invalid type or length. We may as well make\n // it an explicit option. This aids testing and analysis. It is\n // also the initialization value for the enum type.\n if (signatureType == SignatureType.Illegal) {\n revert(\"SIGNATURE_ILLEGAL\");\n\n // Always invalid signature.\n // Like Illegal, this is always implicitly available and therefore\n // offered explicitly. It can be implicitly created by providing\n // a correctly formatted but incorrect signature.\n } else if (signatureType == SignatureType.Invalid) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = false;\n return isValid;\n\n // Signature using EIP712\n } else if (signatureType == SignatureType.EIP712) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n hash,\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signed using web3.eth_sign\n } else if (signatureType == SignatureType.EthSign) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n32\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signature verified by wallet contract.\n // If used with an order, the maker of the order is the wallet contract.\n } else if (signatureType == SignatureType.Wallet) {\n isValid = isValidWalletSignature(\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signature verified by validator contract.\n // If used with an order, the maker of the order can still be an EOA.\n // A signature using this type should be encoded as:\n // | Offset | Length | Contents |\n // | 0x00 | x | Signature to validate |\n // | 0x00 + x | 20 | Address of validator contract |\n // | 0x14 + x | 1 | Signature type is always \"\\x06\" |\n } else if (signatureType == SignatureType.Validator) {\n // Pop last 20 bytes off of signature byte array.\n address validatorAddress = signature.popLast20Bytes();\n \n // Ensure signer has approved validator.\n if (!allowedValidators[signerAddress][validatorAddress]) {\n return false;\n }\n isValid = isValidValidatorSignature(\n validatorAddress,\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signer signed hash previously using the preSign function.\n } else if (signatureType == SignatureType.PreSigned) {\n isValid = preSigned[hash][signerAddress];\n return isValid;\n }\n\n // Anything else is illegal (We do not return false because\n // the signature may actually be valid, just not in a format\n // that we currently support. In this case returning false\n // may lead the caller to incorrectly believe that the\n // signature was invalid.)\n revert(\"SIGNATURE_UNSUPPORTED\");\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if signature is valid for given wallet..\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IWallet(walletAddress).isValidSignature.selector,\n hash,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n walletAddress, // address of Wallet contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"WALLET_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000c57414c4c45545f4552524f5200000000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IValidator(signerAddress).isValidSignature.selector,\n hash,\n signerAddress,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n validatorAddress, // address of Validator contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"VALIDATOR_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f56414c494441544f525f4552524f5200000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n}\n", + "2.0.0/protocol/Exchange/MixinTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"./libs/LibExchangeErrors.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./libs/LibEIP712.sol\";\n\n\ncontract MixinTransactions is\n LibEIP712,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of transaction hash => executed\n // This prevents transactions from being executed more than once.\n mapping (bytes32 => bool) public transactions;\n\n // Address of current transaction signer\n address public currentContextAddress;\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external\n {\n // Prevent reentrancy\n require(\n currentContextAddress == address(0),\n \"REENTRANCY_ILLEGAL\"\n );\n\n bytes32 transactionHash = hashEIP712Message(hashZeroExTransaction(\n salt,\n signerAddress,\n data\n ));\n\n // Validate transaction has not been executed\n require(\n !transactions[transactionHash],\n \"INVALID_TX_HASH\"\n );\n\n // Transaction always valid if signer is sender of transaction\n if (signerAddress != msg.sender) {\n // Validate signature\n require(\n isValidSignature(\n transactionHash,\n signerAddress,\n signature\n ),\n \"INVALID_TX_SIGNATURE\"\n );\n\n // Set the current transaction signer\n currentContextAddress = signerAddress;\n }\n\n // Execute transaction\n transactions[transactionHash] = true;\n require(\n address(this).delegatecall(data),\n \"FAILED_EXECUTION\"\n );\n\n // Reset current transaction signer if it was previously updated\n if (signerAddress != msg.sender) {\n currentContextAddress = address(0);\n }\n }\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;\n bytes32 dataHash = keccak256(data);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,\n // salt,\n // bytes32(signerAddress),\n // keccak256(data)\n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, schemaHash) // hash of schema\n mstore(add(memPtr, 32), salt) // salt\n mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff)) // signerAddress\n mstore(add(memPtr, 96), dataHash) // hash of data\n\n // Compute hash\n result := keccak256(memPtr, 128)\n }\n return result;\n }\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address)\n {\n address currentContextAddress_ = currentContextAddress;\n address contextAddress = currentContextAddress_ == address(0) ? msg.sender : currentContextAddress_;\n return contextAddress;\n }\n}\n", + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibAbiEncoder.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MWrapperFunctions.sol\";\n\n\ncontract MixinWrapperFunctions is\n ReentrancyGuard,\n LibMath,\n LibFillResults,\n LibAbiEncoder,\n MExchangeCore,\n MWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrKillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n // Delegate to `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := delegatecall(\n gas, // forward all gas\n address, // call address of this contract\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrKillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n \n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public\n nonReentrant\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n cancelOrderInternal(orders[i]);\n }\n }\n\n /// @dev Fetches information for all passed in orders.\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n LibOrder.OrderInfo[] memory ordersInfo = new LibOrder.OrderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n ordersInfo[i] = getOrderInfo(orders[i]);\n }\n return ordersInfo;\n }\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n require(\n fillResults.takerAssetFilledAmount == takerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return fillResults;\n }\n}\n", + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssetProxyDispatcher {\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external;\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./IExchangeCore.sol\";\nimport \"./IMatchOrders.sol\";\nimport \"./ISignatureValidator.sol\";\nimport \"./ITransactions.sol\";\nimport \"./IAssetProxyDispatcher.sol\";\nimport \"./IWrapperFunctions.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract IExchange is\n IExchangeCore,\n IMatchOrders,\n ISignatureValidator,\n ITransactions,\n IAssetProxyDispatcher,\n IWrapperFunctions\n{}\n", + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IExchangeCore {\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external;\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrder(LibOrder.Order memory order)\n public;\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(LibOrder.Order memory order)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IMatchOrders {\n\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ISignatureValidator {\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external;\n \n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external;\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address of signer.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\n\ncontract ITransactions {\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external;\n}\n", + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IValidator {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IWallet {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IWrapperFunctions {\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public;\n\n /// @dev Fetches information for all passed in orders\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory);\n}\n", + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./LibOrder.sol\";\n\n\ncontract LibAbiEncoder {\n\n /// @dev ABI encodes calldata for `fillOrder`.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return ABI encoded calldata for `fillOrder`.\n function abiEncodeFillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n pure\n returns (bytes memory fillOrderCalldata)\n {\n // We need to call MExchangeCore.fillOrder using a delegatecall in\n // assembly so that we can intercept a call that throws. For this, we\n // need the input encoded in memory in the Ethereum ABIv2 format [1].\n\n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0x00 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 0x00 | | 1. offset to order (*) |\n // | | 0x20 | | 2. takerAssetFillAmount |\n // | | 0x40 | | 3. offset to signature (*) |\n // | Data | | 12 * 32 | order: |\n // | | 0x000 | | 1. senderAddress |\n // | | 0x020 | | 2. makerAddress |\n // | | 0x040 | | 3. takerAddress |\n // | | 0x060 | | 4. feeRecipientAddress |\n // | | 0x080 | | 5. makerAssetAmount |\n // | | 0x0A0 | | 6. takerAssetAmount |\n // | | 0x0C0 | | 7. makerFeeAmount |\n // | | 0x0E0 | | 8. takerFeeAmount |\n // | | 0x100 | | 9. expirationTimeSeconds |\n // | | 0x120 | | 10. salt |\n // | | 0x140 | | 11. Offset to makerAssetData (*) |\n // | | 0x160 | | 12. Offset to takerAssetData (*) |\n // | | 0x180 | 32 | makerAssetData Length |\n // | | 0x1A0 | ** | makerAssetData Contents |\n // | | 0x1C0 | 32 | takerAssetData Length |\n // | | 0x1E0 | ** | takerAssetData Contents |\n // | | 0x200 | 32 | signature Length |\n // | | 0x220 | ** | signature Contents |\n\n // * Offsets are calculated from the beginning of the current area: Header, Params, Data:\n // An offset stored in the Params area is calculated from the beginning of the Params section.\n // An offset stored in the Data area is calculated from the beginning of the Data section.\n\n // ** The length of dynamic array contents are stored in the field immediately preceeding the contents.\n\n // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html\n\n assembly {\n\n // Areas below may use the following variables:\n // 1. Start -- Start of this area in memory\n // 2. End -- End of this area in memory. This value may\n // be precomputed (before writing contents),\n // or it may be computed as contents are written.\n // 3. Offset -- Current offset into area. If an area's End\n // is precomputed, this variable tracks the\n // offsets of contents as they are written.\n\n /////// Setup Header Area ///////\n // Load free memory pointer\n fillOrderCalldata := mload(0x40)\n // bytes4(keccak256(\"fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)\"))\n // = 0xb4be83d5\n // Leave 0x20 bytes to store the length\n mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000)\n let headerAreaEnd := add(fillOrderCalldata, 0x24)\n\n /////// Setup Params Area ///////\n // This area is preallocated and written to later.\n // This is because we need to fill in offsets that have not yet been calculated.\n let paramsAreaStart := headerAreaEnd\n let paramsAreaEnd := add(paramsAreaStart, 0x60)\n let paramsAreaOffset := paramsAreaStart\n\n /////// Setup Data Area ///////\n let dataAreaStart := paramsAreaEnd\n let dataAreaEnd := dataAreaStart\n\n // Offset from the source data we're reading from\n let sourceOffset := order\n // arrayLenBytes and arrayLenWords track the length of a dynamically-allocated bytes array.\n let arrayLenBytes := 0\n let arrayLenWords := 0\n\n /////// Write order Struct ///////\n // Write memory location of Order, relative to the start of the\n // parameter list, then increment the paramsAreaOffset respectively.\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n // Write values for each field in the order\n // It would be nice to use a loop, but we save on gas by writing\n // the stores sequentially.\n mstore(dataAreaEnd, mload(sourceOffset)) // makerAddress\n mstore(add(dataAreaEnd, 0x20), mload(add(sourceOffset, 0x20))) // takerAddress\n mstore(add(dataAreaEnd, 0x40), mload(add(sourceOffset, 0x40))) // feeRecipientAddress\n mstore(add(dataAreaEnd, 0x60), mload(add(sourceOffset, 0x60))) // senderAddress\n mstore(add(dataAreaEnd, 0x80), mload(add(sourceOffset, 0x80))) // makerAssetAmount\n mstore(add(dataAreaEnd, 0xA0), mload(add(sourceOffset, 0xA0))) // takerAssetAmount\n mstore(add(dataAreaEnd, 0xC0), mload(add(sourceOffset, 0xC0))) // makerFeeAmount\n mstore(add(dataAreaEnd, 0xE0), mload(add(sourceOffset, 0xE0))) // takerFeeAmount\n mstore(add(dataAreaEnd, 0x100), mload(add(sourceOffset, 0x100))) // expirationTimeSeconds\n mstore(add(dataAreaEnd, 0x120), mload(add(sourceOffset, 0x120))) // salt\n mstore(add(dataAreaEnd, 0x140), mload(add(sourceOffset, 0x140))) // Offset to makerAssetData\n mstore(add(dataAreaEnd, 0x160), mload(add(sourceOffset, 0x160))) // Offset to takerAssetData\n dataAreaEnd := add(dataAreaEnd, 0x180)\n sourceOffset := add(sourceOffset, 0x180)\n\n // Write offset to \n mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x140)) // makerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Write offset to \n mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x160)) // takerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n /////// Write takerAssetFillAmount ///////\n mstore(paramsAreaOffset, takerAssetFillAmount)\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n /////// Write signature ///////\n // Write offset to paramsArea\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n\n // Calculate length of signature\n sourceOffset := signature\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of signature\n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of signature\n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Set length of calldata\n mstore(fillOrderCalldata, sub(dataAreaEnd, add(fillOrderCalldata, 0x20)))\n\n // Increment free memory pointer\n mstore(0x40, dataAreaEnd)\n }\n\n return fillOrderCalldata;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\n// solhint-disable max-line-length\ncontract LibConstants {\n \n // Asset data for ZRX token. Used for fee transfers.\n // @TODO: Hardcode constant when we deploy. Currently \n // not constant to make testing easier.\n\n // The proxyId for ZRX_ASSET_DATA is bytes4(keccak256(\"ERC20Token(address)\")) = 0xf47261b0\n \n // Kovan ZRX address is 0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570.\n // The ABI encoded proxyId and address is 0xf47261b00000000000000000000000006ff6c0ff1d68b964901f986d4c9fa3ac68346570\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x6f\\xf6\\xc0\\xff\\x1d\\x68\\xb9\\x64\\x90\\x1f\\x98\\x6d\\x4c\\x9f\\xa3\\xac\\x68\\x34\\x65\\x70\";\n \n // Mainnet ZRX address is 0xe41d2489571d322189246dafa5ebde1f4699f498.\n // The ABI encoded proxyId and address is 0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xe4\\x1d\\x24\\x89\\x57\\x1d\\x32\\x21\\x89\\x24\\x6d\\xaf\\xa5\\xeb\\xde\\x1f\\x46\\x99\\xf4\\x98\";\n \n // solhint-disable-next-line var-name-mixedcase\n bytes public ZRX_ASSET_DATA;\n\n // @TODO: Remove when we deploy.\n constructor (bytes memory zrxAssetData)\n public\n {\n ZRX_ASSET_DATA = zrxAssetData;\n }\n}\n// solhint-enable max-line-length\n", + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract LibEIP712 {\n\n // EIP191 header for EIP712 prefix\n string constant internal EIP191_HEADER = \"\\x19\\x01\";\n\n // EIP712 Domain Name value\n string constant internal EIP712_DOMAIN_NAME = \"0x Protocol\";\n\n // EIP712 Domain Version value\n string constant internal EIP712_DOMAIN_VERSION = \"2\";\n\n // Hash of the EIP712 Domain Separator Schema\n bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"EIP712Domain(\",\n \"string name,\",\n \"string version,\",\n \"address verifyingContract\",\n \")\"\n ));\n\n // Hash of the EIP712 Domain Separator data\n // solhint-disable-next-line var-name-mixedcase\n bytes32 public EIP712_DOMAIN_HASH;\n\n constructor ()\n public\n {\n EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(\n EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,\n keccak256(bytes(EIP712_DOMAIN_NAME)),\n keccak256(bytes(EIP712_DOMAIN_VERSION)),\n bytes32(address(this))\n ));\n }\n\n /// @dev Calculates EIP712 encoding for a hash struct in this EIP712 Domain.\n /// @param hashStruct The EIP712 hash struct.\n /// @return EIP712 hash applied to this EIP712 Domain.\n function hashEIP712Message(bytes32 hashStruct)\n internal\n view\n returns (bytes32 result)\n {\n bytes32 eip712DomainHash = EIP712_DOMAIN_HASH;\n\n // Assembly for more efficient computing:\n // keccak256(abi.encodePacked(\n // EIP191_HEADER,\n // EIP712_DOMAIN_HASH,\n // hashStruct \n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, 0x1901000000000000000000000000000000000000000000000000000000000000) // EIP191 header\n mstore(add(memPtr, 2), eip712DomainHash) // EIP712 domain hash\n mstore(add(memPtr, 34), hashStruct) // Hash of struct\n\n // Compute hash\n result := keccak256(memPtr, 66)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity 0.4.24;\n\n\n/// @dev This contract documents the revert reasons used in the Exchange contract.\n/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons.\ncontract LibExchangeErrors {\n\n /// Order validation errors ///\n string constant ORDER_UNFILLABLE = \"ORDER_UNFILLABLE\"; // Order cannot be filled.\n string constant INVALID_MAKER = \"INVALID_MAKER\"; // Invalid makerAddress.\n string constant INVALID_TAKER = \"INVALID_TAKER\"; // Invalid takerAddress.\n string constant INVALID_SENDER = \"INVALID_SENDER\"; // Invalid `msg.sender`.\n string constant INVALID_ORDER_SIGNATURE = \"INVALID_ORDER_SIGNATURE\"; // Signature validation failed. \n \n /// fillOrder validation errors ///\n string constant INVALID_TAKER_AMOUNT = \"INVALID_TAKER_AMOUNT\"; // takerAssetFillAmount cannot equal 0.\n string constant ROUNDING_ERROR = \"ROUNDING_ERROR\"; // Rounding error greater than 0.1% of takerAssetFillAmount. \n \n /// Signature validation errors ///\n string constant INVALID_SIGNATURE = \"INVALID_SIGNATURE\"; // Signature validation failed. \n string constant SIGNATURE_ILLEGAL = \"SIGNATURE_ILLEGAL\"; // Signature type is illegal.\n string constant SIGNATURE_UNSUPPORTED = \"SIGNATURE_UNSUPPORTED\"; // Signature type unsupported.\n \n /// cancelOrdersUptTo errors ///\n string constant INVALID_NEW_ORDER_EPOCH = \"INVALID_NEW_ORDER_EPOCH\"; // Specified salt must be greater than or equal to existing orderEpoch.\n\n /// fillOrKillOrder errors ///\n string constant COMPLETE_FILL_FAILED = \"COMPLETE_FILL_FAILED\"; // Desired takerAssetFillAmount could not be completely filled. \n\n /// matchOrders errors ///\n string constant NEGATIVE_SPREAD_REQUIRED = \"NEGATIVE_SPREAD_REQUIRED\"; // Matched orders must have a negative spread.\n\n /// Transaction errors ///\n string constant REENTRANCY_ILLEGAL = \"REENTRANCY_ILLEGAL\"; // Recursive reentrancy is not allowed. \n string constant INVALID_TX_HASH = \"INVALID_TX_HASH\"; // Transaction has already been executed. \n string constant INVALID_TX_SIGNATURE = \"INVALID_TX_SIGNATURE\"; // Signature validation failed. \n string constant FAILED_EXECUTION = \"FAILED_EXECUTION\"; // Transaction execution failed. \n \n /// registerAssetProxy errors ///\n string constant ASSET_PROXY_ALREADY_EXISTS = \"ASSET_PROXY_ALREADY_EXISTS\"; // AssetProxy with same id already exists.\n\n /// dispatchTransferFrom errors ///\n string constant ASSET_PROXY_DOES_NOT_EXIST = \"ASSET_PROXY_DOES_NOT_EXIST\"; // No assetProxy registered at given id.\n string constant TRANSFER_FAILED = \"TRANSFER_FAILED\"; // Asset transfer unsuccesful.\n\n /// Length validation errors ///\n string constant LENGTH_GREATER_THAN_0_REQUIRED = \"LENGTH_GREATER_THAN_0_REQUIRED\"; // Byte array must have a length greater than 0.\n string constant LENGTH_GREATER_THAN_3_REQUIRED = \"LENGTH_GREATER_THAN_3_REQUIRED\"; // Byte array must have a length greater than 3.\n string constant LENGTH_0_REQUIRED = \"LENGTH_0_REQUIRED\"; // Byte array must have a length of 0.\n string constant LENGTH_65_REQUIRED = \"LENGTH_65_REQUIRED\"; // Byte array must have a length of 65.\n}\n", + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibFillResults is\n SafeMath\n{\n struct FillResults {\n uint256 makerAssetFilledAmount; // Total amount of makerAsset(s) filled.\n uint256 takerAssetFilledAmount; // Total amount of takerAsset(s) filled.\n uint256 makerFeePaid; // Total amount of ZRX paid by maker(s) to feeRecipient(s).\n uint256 takerFeePaid; // Total amount of ZRX paid by taker to feeRecipients(s).\n }\n\n struct MatchedFillResults {\n FillResults left; // Amounts filled and fees paid of left order.\n FillResults right; // Amounts filled and fees paid of right order.\n uint256 leftMakerAssetSpreadAmount; // Spread between price of left and right order, denominated in the left order's makerAsset, paid to taker.\n }\n\n /// @dev Adds properties of both FillResults instances.\n /// Modifies the first FillResults instance specified.\n /// @param totalFillResults Fill results instance that will be added onto.\n /// @param singleFillResults Fill results instance that will be added to totalFillResults.\n function addFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)\n internal\n pure\n {\n totalFillResults.makerAssetFilledAmount = safeAdd(totalFillResults.makerAssetFilledAmount, singleFillResults.makerAssetFilledAmount);\n totalFillResults.takerAssetFilledAmount = safeAdd(totalFillResults.takerAssetFilledAmount, singleFillResults.takerAssetFilledAmount);\n totalFillResults.makerFeePaid = safeAdd(totalFillResults.makerFeePaid, singleFillResults.makerFeePaid);\n totalFillResults.takerFeePaid = safeAdd(totalFillResults.takerFeePaid, singleFillResults.takerFeePaid);\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibMath.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibMath is\n SafeMath\n{\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function safeGetPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorFloor(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function safeGetPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorCeil(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function getPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function getPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // The absolute rounding error is the difference between the rounded\n // value and the ideal value. The relative rounding error is the\n // absolute rounding error divided by the absolute value of the\n // ideal value. This is undefined when the ideal value is zero.\n //\n // The ideal value is `numerator * target / denominator`.\n // Let's call `numerator * target % denominator` the remainder.\n // The absolute error is `remainder / denominator`.\n //\n // When the ideal value is zero, we require the absolute error to\n // be zero. Fortunately, this is always the case. The ideal value is\n // zero iff `numerator == 0` and/or `target == 0`. In this case the\n // remainder and absolute error are also zero. \n if (target == 0 || numerator == 0) {\n return false;\n }\n \n // Otherwise, we want the relative rounding error to be strictly\n // less than 0.1%.\n // The relative error is `remainder / (numerator * target)`.\n // We want the relative error less than 1 / 1000:\n // remainder / (numerator * denominator) < 1 / 1000\n // or equivalently:\n // 1000 * remainder < numerator * target\n // so we have a rounding error iff:\n // 1000 * remainder >= numerator * target\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding up.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // See the comments in `isRoundingError`.\n if (target == 0 || numerator == 0) {\n // When either is zero, the ideal value and rounded value are zero\n // and there is no rounding error. (Although the relative error\n // is undefined.)\n return false;\n }\n // Compute remainder as before\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n remainder = safeSub(denominator, remainder) % denominator;\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibOrder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./LibEIP712.sol\";\n\n\ncontract LibOrder is\n LibEIP712\n{\n // Hash for the EIP712 Order Schema\n bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"Order(\",\n \"address makerAddress,\",\n \"address takerAddress,\",\n \"address feeRecipientAddress,\",\n \"address senderAddress,\",\n \"uint256 makerAssetAmount,\",\n \"uint256 takerAssetAmount,\",\n \"uint256 makerFee,\",\n \"uint256 takerFee,\",\n \"uint256 expirationTimeSeconds,\",\n \"uint256 salt,\",\n \"bytes makerAssetData,\",\n \"bytes takerAssetData\",\n \")\"\n ));\n\n // A valid order remains fillable until it is expired, fully filled, or cancelled.\n // An order's state is unaffected by external factors, like account balances.\n enum OrderStatus {\n INVALID, // Default value\n INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount\n INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount\n FILLABLE, // Order is fillable\n EXPIRED, // Order has already expired\n FULLY_FILLED, // Order is fully filled\n CANCELLED // Order has been cancelled\n }\n\n // solhint-disable max-line-length\n struct Order {\n address makerAddress; // Address that created the order. \n address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order. \n address feeRecipientAddress; // Address that will recieve fees when order is filled. \n address senderAddress; // Address that is allowed to call Exchange contract methods that affect this order. If set to 0, any address is allowed to call these methods.\n uint256 makerAssetAmount; // Amount of makerAsset being offered by maker. Must be greater than 0. \n uint256 takerAssetAmount; // Amount of takerAsset being bid on by maker. Must be greater than 0. \n uint256 makerFee; // Amount of ZRX paid to feeRecipient by maker when order is filled. If set to 0, no transfer of ZRX from maker to feeRecipient will be attempted.\n uint256 takerFee; // Amount of ZRX paid to feeRecipient by taker when order is filled. If set to 0, no transfer of ZRX from taker to feeRecipient will be attempted.\n uint256 expirationTimeSeconds; // Timestamp in seconds at which order expires. \n uint256 salt; // Arbitrary number to facilitate uniqueness of the order's hash. \n bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.\n bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.\n }\n // solhint-enable max-line-length\n\n struct OrderInfo {\n uint8 orderStatus; // Status that describes order's validity and fillability.\n bytes32 orderHash; // EIP712 hash of the order (see LibOrder.getOrderHash).\n uint256 orderTakerAssetFilledAmount; // Amount of order that has already been filled.\n }\n\n /// @dev Calculates Keccak-256 hash of the order.\n /// @param order The order structure.\n /// @return Keccak-256 EIP712 hash of the order.\n function getOrderHash(Order memory order)\n internal\n view\n returns (bytes32 orderHash)\n {\n orderHash = hashEIP712Message(hashOrder(order));\n return orderHash;\n }\n\n /// @dev Calculates EIP712 hash of the order.\n /// @param order The order structure.\n /// @return EIP712 hash of the order.\n function hashOrder(Order memory order)\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ORDER_SCHEMA_HASH;\n bytes32 makerAssetDataHash = keccak256(order.makerAssetData);\n bytes32 takerAssetDataHash = keccak256(order.takerAssetData);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ORDER_SCHEMA_HASH,\n // bytes32(order.makerAddress),\n // bytes32(order.takerAddress),\n // bytes32(order.feeRecipientAddress),\n // bytes32(order.senderAddress),\n // order.makerAssetAmount,\n // order.takerAssetAmount,\n // order.makerFee,\n // order.takerFee,\n // order.expirationTimeSeconds,\n // order.salt,\n // keccak256(order.makerAssetData),\n // keccak256(order.takerAssetData)\n // ));\n\n assembly {\n // Calculate memory addresses that will be swapped out before hashing\n let pos1 := sub(order, 32)\n let pos2 := add(order, 320)\n let pos3 := add(order, 352)\n\n // Backup\n let temp1 := mload(pos1)\n let temp2 := mload(pos2)\n let temp3 := mload(pos3)\n \n // Hash in place\n mstore(pos1, schemaHash)\n mstore(pos2, makerAssetDataHash)\n mstore(pos3, takerAssetDataHash)\n result := keccak256(pos1, 416)\n \n // Restore\n mstore(pos1, temp1)\n mstore(pos2, temp2)\n mstore(pos3, temp3)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssetProxyDispatcher.sol\";\n\n\ncontract MAssetProxyDispatcher is\n IAssetProxyDispatcher\n{\n // Logs registration of new asset proxy\n event AssetProxyRegistered(\n bytes4 id, // Id of new registered AssetProxy.\n address assetProxy // Address of new registered AssetProxy.\n );\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IExchangeCore.sol\";\n\n\ncontract MExchangeCore is\n IExchangeCore\n{\n // Fill event is emitted whenever an order is filled.\n event Fill(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that received fees.\n address takerAddress, // Address that filled the order.\n address senderAddress, // Address that called the Exchange contract (msg.sender).\n uint256 makerAssetFilledAmount, // Amount of makerAsset sold by maker and bought by taker. \n uint256 takerAssetFilledAmount, // Amount of takerAsset sold by taker and bought by maker.\n uint256 makerFeePaid, // Amount of ZRX paid to feeRecipient by maker.\n uint256 takerFeePaid, // Amount of ZRX paid to feeRecipient by taker.\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // Cancel event is emitted whenever an individual order is cancelled.\n event Cancel(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that would have recieved fees if order was filled. \n address senderAddress, // Address that called the Exchange contract (msg.sender).\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // CancelUpTo event is emitted whenever `cancelOrdersUpTo` is executed succesfully.\n event CancelUpTo(\n address indexed makerAddress, // Orders cancelled must have been created by this address.\n address indexed senderAddress, // Orders cancelled must have a `senderAddress` equal to this address.\n uint256 orderEpoch // Orders with specified makerAddress and senderAddress with a salt less than this value are considered cancelled.\n );\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrderInternal(LibOrder.Order memory order)\n internal;\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function updateFilledState(\n LibOrder.Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n LibFillResults.FillResults memory fillResults\n )\n internal;\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n LibOrder.Order memory order,\n bytes32 orderHash\n )\n internal;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo Status, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view;\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo\n )\n internal\n view;\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n LibOrder.Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.FillResults memory fillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IMatchOrders.sol\";\n\n\ncontract MMatchOrders is\n IMatchOrders\n{\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure;\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/ISignatureValidator.sol\";\n\n\ncontract MSignatureValidator is\n ISignatureValidator\n{\n event SignatureValidatorApproval(\n address indexed signerAddress, // Address that approves or disapproves a contract to verify signatures.\n address indexed validatorAddress, // Address of signature validator contract.\n bool approved // Approval or disapproval of validator contract.\n );\n\n // Allowed signature types.\n enum SignatureType {\n Illegal, // 0x00, default value\n Invalid, // 0x01\n EIP712, // 0x02\n EthSign, // 0x03\n Wallet, // 0x04\n Validator, // 0x05\n PreSigned, // 0x06\n NSignatureTypes // 0x07, number of signature types. Always leave at end.\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"../interfaces/ITransactions.sol\";\n\n\ncontract MTransactions is\n ITransactions\n{\n // Hash for the EIP712 ZeroEx Transaction Schema\n bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"ZeroExTransaction(\",\n \"uint256 salt,\",\n \"address signerAddress,\",\n \"bytes data\",\n \")\"\n ));\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result);\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address);\n}\n", + "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IWrapperFunctions.sol\";\n\n\ncontract MWrapperFunctions is \n IWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n}\n", + "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/MintableERC20Token.sol\";\n\n\ncontract DummyERC20Token is \n Ownable,\n MintableERC20Token\n{\n string public name;\n string public symbol;\n uint256 public decimals;\n uint256 public constant MAX_MINT_AMOUNT = 10000000000000000000000;\n\n constructor (\n string _name,\n string _symbol,\n uint256 _decimals,\n uint256 _totalSupply\n )\n public\n {\n name = _name;\n symbol = _symbol;\n decimals = _decimals;\n _totalSupply = _totalSupply;\n balances[msg.sender] = _totalSupply;\n }\n\n /// @dev Sets the balance of target address\n /// @param _target Address or which balance will be updated\n /// @param _value New balance of target address\n function setBalance(address _target, uint256 _value)\n external\n onlyOwner\n {\n uint256 currBalance = balances[_target];\n if (_value < currBalance) {\n _totalSupply = safeSub(_totalSupply, safeSub(currBalance, _value));\n } else {\n _totalSupply = safeAdd(_totalSupply, safeSub(_value, currBalance));\n }\n balances[_target] = _value;\n }\n\n /// @dev Mints new tokens for sender\n /// @param _value Amount of tokens to mint\n function mint(uint256 _value)\n external\n {\n require(\n _value <= MAX_MINT_AMOUNT,\n \"VALUE_TOO_LARGE\"\n );\n\n _mint(msg.sender, _value);\n }\n}\n", + "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../tokens/ERC721Token/MintableERC721Token.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract DummyERC721Token is\n Ownable,\n MintableERC721Token\n{\n string public name;\n string public symbol;\n\n constructor (\n string _name,\n string _symbol\n )\n public\n {\n name = _name;\n symbol = _symbol;\n }\n\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function mint(address _to, uint256 _tokenId)\n external\n {\n _mint(_to, _tokenId);\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist or not called by contract owner\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function burn(address _owner, uint256 _tokenId)\n external\n onlyOwner\n {\n _burn(_owner, _tokenId);\n }\n}\n", + "2.0.0/tokens/ERC20Token/ERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC20Token.sol\";\n\n\ncontract ERC20Token is\n IERC20Token\n{\n mapping (address => uint256) internal balances;\n mapping (address => mapping (address => uint256)) internal allowed;\n\n uint256 internal _totalSupply;\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool)\n {\n require(\n balances[msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[msg.sender] -= _value;\n balances[_to] += _value;\n\n emit Transfer(\n msg.sender,\n _to,\n _value\n );\n\n return true;\n }\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowed[_from][msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n allowed[_from][msg.sender] -= _value;\n \n emit Transfer(\n _from,\n _to,\n _value\n );\n \n return true;\n }\n\n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool)\n {\n allowed[msg.sender][_spender] = _value;\n emit Approval(\n msg.sender,\n _spender,\n _value\n );\n return true;\n }\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256)\n {\n return _totalSupply;\n }\n\n /// @dev Query the balance of owner\n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n return balances[_owner];\n }\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256)\n {\n return allowed[_owner][_spender];\n }\n}\n", + "2.0.0/tokens/ERC20Token/IERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n \n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n \n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", + "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/SafeMath/SafeMath.sol\";\nimport \"./UnlimitedAllowanceERC20Token.sol\";\n\n\ncontract MintableERC20Token is \n SafeMath,\n UnlimitedAllowanceERC20Token\n{\n /// @dev Mints new tokens\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _value Amount of tokens to mint\n function _mint(address _to, uint256 _value)\n internal\n {\n balances[_to] = safeAdd(_value, balances[_to]);\n _totalSupply = safeAdd(_totalSupply, _value);\n\n emit Transfer(\n address(0),\n _to,\n _value\n );\n }\n\n /// @dev Mints new tokens\n /// @param _owner Owner of tokens that will be burned\n /// @param _value Amount of tokens to burn\n function _burn(address _owner, uint256 _value)\n internal\n {\n balances[_owner] = safeSub(balances[_owner], _value);\n _totalSupply = safeSub(_totalSupply, _value);\n\n emit Transfer(\n _owner,\n address(0),\n _value\n );\n }\n}\n", + "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/ERC20Token.sol\";\n\n\ncontract UnlimitedAllowanceERC20Token is\n ERC20Token\n{\n uint256 constant internal MAX_UINT = 2**256 - 1;\n\n /// @dev ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited allowance. See https://github.com/ethereum/EIPs/issues/717\n /// @param _from Address to transfer from.\n /// @param _to Address to transfer to.\n /// @param _value Amount to transfer.\n /// @return Success of transfer.\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n uint256 allowance = allowed[_from][msg.sender];\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowance >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n if (allowance < MAX_UINT) {\n allowed[_from][msg.sender] -= _value;\n }\n\n emit Transfer(\n _from,\n _to,\n _value\n );\n\n return true;\n }\n}\n", + "2.0.0/tokens/ERC721Token/ERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC721Token.sol\";\nimport \"./IERC721Receiver.sol\";\nimport \"../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract ERC721Token is\n IERC721Token,\n SafeMath\n{\n // Function selector for ERC721Receiver.onERC721Received\n // 0x150b7a02\n bytes4 constant internal ERC721_RECEIVED = bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"));\n\n // Mapping of tokenId => owner\n mapping (uint256 => address) internal owners;\n\n // Mapping of tokenId => approved address\n mapping (uint256 => address) internal approvals;\n\n // Mapping of owner => number of tokens owned\n mapping (address => uint256) internal balances;\n\n // Mapping of owner => operator => approved\n mapping (address => mapping (address => bool)) internal operatorApprovals;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n _data\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n \"\"\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external\n {\n address owner = ownerOf(_tokenId);\n require(\n msg.sender == owner || isApprovedForAll(owner, msg.sender),\n \"ERC721_INVALID_SENDER\"\n );\n\n approvals[_tokenId] = _approved;\n emit Approval(\n owner,\n _approved,\n _tokenId\n );\n }\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external\n {\n operatorApprovals[msg.sender][_operator] = _approved;\n emit ApprovalForAll(\n msg.sender,\n _operator,\n _approved\n );\n }\n \n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return balances[_owner];\n }\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = ownerOf(_tokenId);\n require(\n _from == owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n address spender = msg.sender;\n address approvedAddress = getApproved(_tokenId);\n require(\n spender == owner ||\n isApprovedForAll(owner, spender) ||\n approvedAddress == spender,\n \"ERC721_INVALID_SPENDER\"\n );\n\n if (approvedAddress != address(0)) {\n approvals[_tokenId] = address(0);\n }\n\n owners[_tokenId] = _to;\n balances[_from] = safeSub(balances[_from], 1);\n balances[_to] = safeAdd(balances[_to], 1);\n \n emit Transfer(\n _from,\n _to,\n _tokenId\n );\n }\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address)\n {\n address owner = owners[_tokenId];\n require(\n owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return owner;\n }\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId)\n public\n view\n returns (address)\n {\n return approvals[_tokenId];\n }\n\n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool)\n {\n return operatorApprovals[_owner][_operator];\n }\n}\n", + "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Receiver {\n\n /// @notice Handle the receipt of an NFT\n /// @dev The ERC721 smart contract calls this function on the recipient\n /// after a `transfer`. This function MAY throw to revert and reject the\n /// transfer. Return of other than the magic value MUST result in the\n /// transaction being reverted.\n /// Note: the contract address is always the message sender.\n /// @param _operator The address which called `safeTransferFrom` function\n /// @param _from The address which previously owned the token\n /// @param _tokenId The NFT identifier which is being transferred\n /// @param _data Additional data with no specified format\n /// @return `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`\n /// unless throwing\n function onERC721Received(\n address _operator,\n address _from,\n uint256 _tokenId,\n bytes _data\n )\n external\n returns (bytes4);\n}\n", + "2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Token {\n\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(\n address indexed _owner,\n address indexed _approved,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(\n address indexed _owner,\n address indexed _operator,\n bool _approved\n );\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// perator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external;\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public;\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address);\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) \n public\n view\n returns (address);\n \n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool);\n}\n", + "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./ERC721Token.sol\";\n\n\ncontract MintableERC721Token is\n ERC721Token\n{\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function _mint(address _to, uint256 _tokenId)\n internal\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == address(0),\n \"ERC721_OWNER_ALREADY_EXISTS\"\n );\n\n owners[_tokenId] = _to;\n balances[_to] = safeAdd(balances[_to], 1);\n\n emit Transfer(\n address(0),\n _to,\n _tokenId\n );\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function _burn(address _owner, uint256 _tokenId)\n internal\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == _owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n owners[_tokenId] = address(0);\n balances[_owner] = safeSub(balances[_owner], 1);\n\n emit Transfer(\n _owner,\n address(0),\n _tokenId\n );\n }\n}\n", + "2.0.0/tokens/EtherToken/IEtherToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/IERC20Token.sol\";\n\n\ncontract IEtherToken is\n IERC20Token\n{\n function deposit()\n public\n payable;\n \n function withdraw(uint256 amount)\n public;\n}\n", + "2.0.0/utils/LibBytes/LibBytes.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\nlibrary LibBytes {\n\n using LibBytes for bytes;\n\n /// @dev Gets the memory address for a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of byte array. This\n /// points to the header of the byte array which contains\n /// the length.\n function rawAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := input\n }\n return memoryAddress;\n }\n \n /// @dev Gets the memory address for the contents of a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of the contents of the byte array.\n function contentAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := add(input, 32)\n }\n return memoryAddress;\n }\n\n /// @dev Copies `length` bytes from memory location `source` to `dest`.\n /// @param dest memory address to copy bytes to.\n /// @param source memory address to copy bytes from.\n /// @param length number of bytes to copy.\n function memCopy(\n uint256 dest,\n uint256 source,\n uint256 length\n )\n internal\n pure\n {\n if (length < 32) {\n // Handle a partial word by reading destination and masking\n // off the bits we are interested in.\n // This correctly handles overlap, zero lengths and source == dest\n assembly {\n let mask := sub(exp(256, sub(32, length)), 1)\n let s := and(mload(source), not(mask))\n let d := and(mload(dest), mask)\n mstore(dest, or(s, d))\n }\n } else {\n // Skip the O(length) loop when source == dest.\n if (source == dest) {\n return;\n }\n\n // For large copies we copy whole words at a time. The final\n // word is aligned to the end of the range (instead of after the\n // previous) to handle partial words. So a copy will look like this:\n //\n // ####\n // ####\n // ####\n // ####\n //\n // We handle overlap in the source and destination range by\n // changing the copying direction. This prevents us from\n // overwriting parts of source that we still need to copy.\n //\n // This correctly handles source == dest\n //\n if (source > dest) {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because it\n // is easier to compare with in the loop, and these\n // are also the addresses we need for copying the\n // last bytes.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the last 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the last bytes in\n // source already due to overlap.\n let last := mload(sEnd)\n\n // Copy whole words front to back\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} lt(source, sEnd) {} {\n mstore(dest, mload(source))\n source := add(source, 32)\n dest := add(dest, 32)\n }\n \n // Write the last 32 bytes\n mstore(dEnd, last)\n }\n } else {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because those\n // are the starting points when copying a word at the end.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the first 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the first bytes in\n // source already due to overlap.\n let first := mload(source)\n\n // Copy whole words back to front\n // We use a signed comparisson here to allow dEnd to become\n // negative (happens when source and dest < 32). Valid\n // addresses in local memory will never be larger than\n // 2**255, so they can be safely re-interpreted as signed.\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} slt(dest, dEnd) {} {\n mstore(dEnd, mload(sEnd))\n sEnd := sub(sEnd, 32)\n dEnd := sub(dEnd, 32)\n }\n \n // Write the first 32 bytes\n mstore(dest, first)\n }\n }\n }\n }\n\n /// @dev Returns a slices from a byte array.\n /// @param b The byte array to take a slice from.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n function slice(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure and copy contents\n result = new bytes(to - from);\n memCopy(\n result.contentAddress(),\n b.contentAddress() + from,\n result.length\n );\n return result;\n }\n \n /// @dev Returns a slice from a byte array without preserving the input.\n /// @param b The byte array to take a slice from. Will be destroyed in the process.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n /// @dev When `from == 0`, the original array will match the slice. In other cases its state will be corrupted.\n function sliceDestructive(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure around [from, to) in-place.\n assembly {\n result := add(b, from)\n mstore(result, sub(to, from))\n }\n return result;\n }\n\n /// @dev Pops the last byte off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The byte that was popped off.\n function popLastByte(bytes memory b)\n internal\n pure\n returns (bytes1 result)\n {\n require(\n b.length > 0,\n \"GREATER_THAN_ZERO_LENGTH_REQUIRED\"\n );\n\n // Store last byte.\n result = b[b.length - 1];\n\n assembly {\n // Decrement length of byte array.\n let newLen := sub(mload(b), 1)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Pops the last 20 bytes off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The 20 byte address that was popped off.\n function popLast20Bytes(bytes memory b)\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= 20,\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Store last 20 bytes.\n result = readAddress(b, b.length - 20);\n\n assembly {\n // Subtract 20 from byte array length.\n let newLen := sub(mload(b), 20)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Tests equality of two byte arrays.\n /// @param lhs First byte array to compare.\n /// @param rhs Second byte array to compare.\n /// @return True if arrays are the same. False otherwise.\n function equals(\n bytes memory lhs,\n bytes memory rhs\n )\n internal\n pure\n returns (bool equal)\n {\n // Keccak gas cost is 30 + numWords * 6. This is a cheap way to compare.\n // We early exit on unequal lengths, but keccak would also correctly\n // handle this.\n return lhs.length == rhs.length && keccak256(lhs) == keccak256(rhs);\n }\n\n /// @dev Reads an address from a position in a byte array.\n /// @param b Byte array containing an address.\n /// @param index Index in byte array of address.\n /// @return address from byte array.\n function readAddress(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Read address from array memory\n assembly {\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 20-byte mask to obtain address\n result := and(mload(add(b, index)), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n return result;\n }\n\n /// @dev Writes an address into a specific position in a byte array.\n /// @param b Byte array to insert address into.\n /// @param index Index in byte array of address.\n /// @param input Address to put into byte array.\n function writeAddress(\n bytes memory b,\n uint256 index,\n address input\n )\n internal\n pure\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Store address into array memory\n assembly {\n // The address occupies 20 bytes and mstore stores 32 bytes.\n // First fetch the 32-byte word where we'll be storing the address, then\n // apply a mask so we have only the bytes in the word that the address will not occupy.\n // Then combine these bytes with the address and store the 32 bytes back to memory with mstore.\n\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 12-byte mask to obtain extra bytes occupying word of memory where we'll store the address\n let neighbors := and(\n mload(add(b, index)),\n 0xffffffffffffffffffffffff0000000000000000000000000000000000000000\n )\n \n // Make sure input address is clean.\n // (Solidity does not guarantee this)\n input := and(input, 0xffffffffffffffffffffffffffffffffffffffff)\n\n // Store the neighbors and address into memory\n mstore(add(b, index), xor(input, neighbors))\n }\n }\n\n /// @dev Reads a bytes32 value from a position in a byte array.\n /// @param b Byte array containing a bytes32 value.\n /// @param index Index in byte array of bytes32 value.\n /// @return bytes32 value from byte array.\n function readBytes32(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes32 result)\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n result := mload(add(b, index))\n }\n return result;\n }\n\n /// @dev Writes a bytes32 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes32 to put into byte array.\n function writeBytes32(\n bytes memory b,\n uint256 index,\n bytes32 input\n )\n internal\n pure\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n mstore(add(b, index), input)\n }\n }\n\n /// @dev Reads a uint256 value from a position in a byte array.\n /// @param b Byte array containing a uint256 value.\n /// @param index Index in byte array of uint256 value.\n /// @return uint256 value from byte array.\n function readUint256(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (uint256 result)\n {\n result = uint256(readBytes32(b, index));\n return result;\n }\n\n /// @dev Writes a uint256 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input uint256 to put into byte array.\n function writeUint256(\n bytes memory b,\n uint256 index,\n uint256 input\n )\n internal\n pure\n {\n writeBytes32(b, index, bytes32(input));\n }\n\n /// @dev Reads an unpadded bytes4 value from a position in a byte array.\n /// @param b Byte array containing a bytes4 value.\n /// @param index Index in byte array of bytes4 value.\n /// @return bytes4 value from byte array.\n function readBytes4(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes4 result)\n {\n require(\n b.length >= index + 4,\n \"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 32 byte length field\n index += 32;\n\n // Read the bytes4 from array memory\n assembly {\n result := mload(add(b, index))\n // Solidity does not require us to clean the trailing bytes.\n // We do it anyway\n result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)\n }\n return result;\n }\n\n /// @dev Reads nested bytes from a specific position.\n /// @dev NOTE: the returned value overlaps with the input value.\n /// Both should be treated as immutable.\n /// @param b Byte array containing nested bytes.\n /// @param index Index of nested bytes.\n /// @return result Nested bytes.\n function readBytesWithLength(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes memory result)\n {\n // Read length of nested bytes\n uint256 nestedBytesLength = readUint256(b, index);\n index += 32;\n\n // Assert length of is valid, given\n // length of nested bytes\n require(\n b.length >= index + nestedBytesLength,\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n \n // Return a pointer to the byte array as it exists inside `b`\n assembly {\n result := add(b, index)\n }\n return result;\n }\n\n /// @dev Inserts bytes at a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes to insert.\n function writeBytesWithLength(\n bytes memory b,\n uint256 index,\n bytes memory input\n )\n internal\n pure\n {\n // Assert length of is valid, given\n // length of input\n require(\n b.length >= index + 32 + input.length, // 32 bytes to store length\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n\n // Copy into \n memCopy(\n b.contentAddress() + index,\n input.rawAddress(), // includes length of \n input.length + 32 // +32 bytes to store length\n );\n }\n\n /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length.\n /// @param dest Byte array that will be overwritten with source bytes.\n /// @param source Byte array to copy onto dest bytes.\n function deepCopyBytes(\n bytes memory dest,\n bytes memory source\n )\n internal\n pure\n {\n uint256 sourceLen = source.length;\n // Dest length must be >= source length, or some bytes would not be copied.\n require(\n dest.length >= sourceLen,\n \"GREATER_OR_EQUAL_TO_SOURCE_BYTES_LENGTH_REQUIRED\"\n );\n memCopy(\n dest.contentAddress(),\n source.contentAddress(),\n sourceLen\n );\n }\n}\n", + "2.0.0/utils/Ownable/IOwnable.sol": "pragma solidity 0.4.24;\n\n\ncontract IOwnable {\n\n function transferOwnership(address newOwner)\n public;\n}\n", + "2.0.0/utils/Ownable/Ownable.sol": "pragma solidity 0.4.24;\n\nimport \"./IOwnable.sol\";\n\n\ncontract Ownable is\n IOwnable\n{\n address public owner;\n\n constructor ()\n public\n {\n owner = msg.sender;\n }\n\n modifier onlyOwner() {\n require(\n msg.sender == owner,\n \"ONLY_CONTRACT_OWNER\"\n );\n _;\n }\n\n function transferOwnership(address newOwner)\n public\n onlyOwner\n {\n if (newOwner != address(0)) {\n owner = newOwner;\n }\n }\n}\n", + "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ReentrancyGuard {\n\n // Locked state of mutex\n bool private locked = false;\n\n /// @dev Functions with this modifer cannot be reentered. The mutex will be locked\n /// before function execution and unlocked after.\n modifier nonReentrant() {\n // Ensure mutex is unlocked\n require(\n !locked,\n \"REENTRANCY_ILLEGAL\"\n );\n\n // Lock mutex before function call\n locked = true;\n\n // Perform function call\n _;\n\n // Unlock mutex after function call\n locked = false;\n }\n}\n", + "2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n\n function safeMul(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(\n c / a == b,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function safeDiv(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a / b;\n return c;\n }\n\n function safeSub(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n require(\n b <= a,\n \"UINT256_UNDERFLOW\"\n );\n return a - b;\n }\n\n function safeAdd(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a + b;\n require(\n c >= a,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function max64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n\n function max256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n}\n" + }, + "sourceTreeHashHex": "0xf4217ae1c8ee6ad15913d86a30747907f26acfb4a1970ea3c8a30d45ce9171d0", + "compiler": { + "name": "solc", + "version": "soljson-v0.4.24+commit.e67f0147.js", + "settings": { + "optimizer": { + "enabled": true, + "runs": 1000000 + }, + "outputSelection": { + "*": { + "*": [ + "abi", + "evm.bytecode.object", + "evm.bytecode.sourceMap", + "evm.deployedBytecode.object", + "evm.deployedBytecode.sourceMap" + ] + } + } + } + }, + "networks": {} +} \ No newline at end of file diff --git a/packages/migrations/artifacts/2.0.0/Exchange.json b/packages/migrations/artifacts/2.0.0/Exchange.json new file mode 100644 index 000000000..631bba974 --- /dev/null +++ b/packages/migrations/artifacts/2.0.0/Exchange.json @@ -0,0 +1,2262 @@ +{ + "schemaVersion": "2.0.0", + "contractName": "Exchange", + "compilerOutput": { + "abi": [ + { + "constant": true, + "inputs": [ + { + "name": "", + "type": "bytes32" + } + ], + "name": "filled", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "components": [ + { + "name": "makerAddress", + "type": "address" + }, + { + "name": "takerAddress", + "type": "address" + }, + { + "name": "feeRecipientAddress", + "type": "address" + }, + { + "name": "senderAddress", + "type": "address" + }, + { + "name": "makerAssetAmount", + "type": "uint256" + }, + { + "name": "takerAssetAmount", + "type": "uint256" + }, + { + "name": "makerFee", + "type": "uint256" + }, + { + "name": "takerFee", + "type": "uint256" + }, + { + "name": "expirationTimeSeconds", + "type": "uint256" + }, + { + "name": "salt", + "type": "uint256" + }, + { + "name": "makerAssetData", + "type": "bytes" + }, + { + "name": "takerAssetData", + "type": "bytes" + } + ], + "name": "orders", + "type": "tuple[]" + }, + { + "name": "takerAssetFillAmounts", + "type": "uint256[]" + }, + { + "name": "signatures", + "type": "bytes[]" + } + ], + "name": "batchFillOrders", + "outputs": [ + { + "components": [ + { + "name": "makerAssetFilledAmount", + "type": "uint256" + }, + { + "name": "takerAssetFilledAmount", + "type": "uint256" + }, + { + "name": "makerFeePaid", + "type": "uint256" + }, + { + "name": "takerFeePaid", + "type": "uint256" + } + ], + "name": "totalFillResults", + "type": "tuple" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "", + "type": "bytes32" + } + ], + "name": "cancelled", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "hash", + "type": "bytes32" + }, + { + "name": "signerAddress", + "type": "address" + }, + { + "name": "signature", + "type": "bytes" + } + ], + "name": "preSign", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "components": [ + { + "name": "makerAddress", + "type": "address" + }, + { + "name": "takerAddress", + "type": "address" + }, + { + "name": "feeRecipientAddress", + "type": "address" + }, + { + "name": "senderAddress", + "type": "address" + }, + { + "name": "makerAssetAmount", + "type": "uint256" + }, + { + "name": "takerAssetAmount", + "type": "uint256" + }, + { + "name": "makerFee", + "type": "uint256" + }, + { + "name": "takerFee", + "type": "uint256" + }, + { + "name": "expirationTimeSeconds", + "type": "uint256" + }, + { + "name": "salt", + "type": "uint256" + }, + { + "name": "makerAssetData", + "type": "bytes" + }, + { + "name": "takerAssetData", + "type": "bytes" + } + ], + "name": "leftOrder", + "type": "tuple" + }, + { + "components": [ + { + "name": "makerAddress", + "type": "address" + }, + { + "name": "takerAddress", + "type": "address" + }, + { + "name": "feeRecipientAddress", + "type": "address" + }, + { + "name": "senderAddress", + "type": "address" + }, + { + "name": "makerAssetAmount", + "type": "uint256" + }, + { + "name": "takerAssetAmount", + "type": "uint256" + }, + { + "name": "makerFee", + "type": "uint256" + }, + { + "name": "takerFee", + "type": "uint256" + }, + { + "name": "expirationTimeSeconds", + "type": "uint256" + }, + { + "name": "salt", + "type": "uint256" + }, + { + "name": "makerAssetData", + "type": "bytes" + }, + { + "name": "takerAssetData", + "type": "bytes" + } + ], + "name": "rightOrder", + "type": "tuple" + }, + { + "name": "leftSignature", + "type": "bytes" + }, + { + "name": "rightSignature", + "type": "bytes" + } + ], + "name": "matchOrders", + "outputs": [ + { + "components": [ + { + "components": [ + { + "name": "makerAssetFilledAmount", + "type": "uint256" + }, + { + "name": "takerAssetFilledAmount", + "type": "uint256" + }, + { + "name": "makerFeePaid", + "type": "uint256" + }, + { + "name": "takerFeePaid", + "type": "uint256" + } + ], + "name": "left", + "type": "tuple" + }, + { + "components": [ + { + "name": "makerAssetFilledAmount", + "type": "uint256" + }, + { + "name": "takerAssetFilledAmount", + "type": "uint256" + }, + { + "name": "makerFeePaid", + "type": "uint256" + }, + { + "name": "takerFeePaid", + "type": "uint256" + } + ], + "name": "right", + "type": "tuple" + }, + { + "name": "leftMakerAssetSpreadAmount", + "type": "uint256" + } + ], + "name": "matchedFillResults", + "type": "tuple" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "components": [ + { + "name": "makerAddress", + "type": "address" + }, + { + "name": "takerAddress", + "type": "address" + }, + { + "name": "feeRecipientAddress", + "type": "address" + }, + { + "name": "senderAddress", + "type": "address" + }, + { + "name": "makerAssetAmount", + "type": "uint256" + }, + { + "name": "takerAssetAmount", + "type": "uint256" + }, + { + "name": "makerFee", + "type": "uint256" + }, + { + "name": "takerFee", + "type": "uint256" + }, + { + "name": "expirationTimeSeconds", + "type": "uint256" + }, + { + "name": "salt", + "type": "uint256" + }, + { + "name": "makerAssetData", + "type": "bytes" + }, + { + "name": "takerAssetData", + "type": "bytes" + } + ], + "name": "order", + "type": "tuple" + }, + { + "name": "takerAssetFillAmount", + "type": "uint256" + }, + { + "name": "signature", + "type": "bytes" + } + ], + "name": "fillOrderNoThrow", + "outputs": [ + { + "components": [ + { + "name": "makerAssetFilledAmount", + "type": "uint256" + }, + { + "name": "takerAssetFilledAmount", + "type": "uint256" + }, + { + "name": "makerFeePaid", + "type": "uint256" + }, + { + "name": "takerFeePaid", + "type": "uint256" + } + ], + "name": "fillResults", + "type": "tuple" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "", + "type": "bytes4" + } + ], + "name": "assetProxies", + "outputs": [ + { + "name": "", + "type": "address" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "components": [ + { + "name": "makerAddress", + "type": "address" + }, + { + "name": "takerAddress", + "type": "address" + }, + { + "name": "feeRecipientAddress", + "type": "address" + }, + { + "name": "senderAddress", + "type": "address" + }, + { + "name": "makerAssetAmount", + "type": "uint256" + }, + { + "name": "takerAssetAmount", + "type": "uint256" + }, + { + "name": "makerFee", + "type": "uint256" + }, + { + "name": "takerFee", + "type": "uint256" + }, + { + "name": "expirationTimeSeconds", + "type": "uint256" + }, + { + "name": "salt", + "type": "uint256" + }, + { + "name": "makerAssetData", + "type": "bytes" + }, + { + "name": "takerAssetData", + "type": "bytes" + } + ], + "name": "orders", + "type": "tuple[]" + } + ], + "name": "batchCancelOrders", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "components": [ + { + "name": "makerAddress", + "type": "address" + }, + { + "name": "takerAddress", + "type": "address" + }, + { + "name": "feeRecipientAddress", + "type": "address" + }, + { + "name": "senderAddress", + "type": "address" + }, + { + "name": "makerAssetAmount", + "type": "uint256" + }, + { + "name": "takerAssetAmount", + "type": "uint256" + }, + { + "name": "makerFee", + "type": "uint256" + }, + { + "name": "takerFee", + "type": "uint256" + }, + { + "name": "expirationTimeSeconds", + "type": "uint256" + }, + { + "name": "salt", + "type": "uint256" + }, + { + "name": "makerAssetData", + "type": "bytes" + }, + { + "name": "takerAssetData", + "type": "bytes" + } + ], + "name": "orders", + "type": "tuple[]" + }, + { + "name": "takerAssetFillAmounts", + "type": "uint256[]" + }, + { + "name": "signatures", + "type": "bytes[]" + } + ], + "name": "batchFillOrKillOrders", + "outputs": [ + { + "components": [ + { + "name": "makerAssetFilledAmount", + "type": "uint256" + }, + { + "name": "takerAssetFilledAmount", + "type": "uint256" + }, + { + "name": "makerFeePaid", + "type": "uint256" + }, + { + "name": "takerFeePaid", + "type": "uint256" + } + ], + "name": "totalFillResults", + "type": "tuple" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "targetOrderEpoch", + "type": "uint256" + } + ], + "name": "cancelOrdersUpTo", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "components": [ + { + "name": "makerAddress", + "type": "address" + }, + { + "name": "takerAddress", + "type": "address" + }, + { + "name": "feeRecipientAddress", + "type": "address" + }, + { + "name": "senderAddress", + "type": "address" + }, + { + "name": "makerAssetAmount", + "type": "uint256" + }, + { + "name": "takerAssetAmount", + "type": "uint256" + }, + { + "name": "makerFee", + "type": "uint256" + }, + { + "name": "takerFee", + "type": "uint256" + }, + { + "name": "expirationTimeSeconds", + "type": "uint256" + }, + { + "name": "salt", + "type": "uint256" + }, + { + "name": "makerAssetData", + "type": "bytes" + }, + { + "name": "takerAssetData", + "type": "bytes" + } + ], + "name": "orders", + "type": "tuple[]" + }, + { + "name": "takerAssetFillAmounts", + "type": "uint256[]" + }, + { + "name": "signatures", + "type": "bytes[]" + } + ], + "name": "batchFillOrdersNoThrow", + "outputs": [ + { + "components": [ + { + "name": "makerAssetFilledAmount", + "type": "uint256" + }, + { + "name": "takerAssetFilledAmount", + "type": "uint256" + }, + { + "name": "makerFeePaid", + "type": "uint256" + }, + { + "name": "takerFeePaid", + "type": "uint256" + } + ], + "name": "totalFillResults", + "type": "tuple" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "assetProxyId", + "type": "bytes4" + } + ], + "name": "getAssetProxy", + "outputs": [ + { + "name": "", + "type": "address" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "", + "type": "bytes32" + } + ], + "name": "transactions", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "components": [ + { + "name": "makerAddress", + "type": "address" + }, + { + "name": "takerAddress", + "type": "address" + }, + { + "name": "feeRecipientAddress", + "type": "address" + }, + { + "name": "senderAddress", + "type": "address" + }, + { + "name": "makerAssetAmount", + "type": "uint256" + }, + { + "name": "takerAssetAmount", + "type": "uint256" + }, + { + "name": "makerFee", + "type": "uint256" + }, + { + "name": "takerFee", + "type": "uint256" + }, + { + "name": "expirationTimeSeconds", + "type": "uint256" + }, + { + "name": "salt", + "type": "uint256" + }, + { + "name": "makerAssetData", + "type": "bytes" + }, + { + "name": "takerAssetData", + "type": "bytes" + } + ], + "name": "order", + "type": "tuple" + }, + { + "name": "takerAssetFillAmount", + "type": "uint256" + }, + { + "name": "signature", + "type": "bytes" + } + ], + "name": "fillOrKillOrder", + "outputs": [ + { + "components": [ + { + "name": "makerAssetFilledAmount", + "type": "uint256" + }, + { + "name": "takerAssetFilledAmount", + "type": "uint256" + }, + { + "name": "makerFeePaid", + "type": "uint256" + }, + { + "name": "takerFeePaid", + "type": "uint256" + } + ], + "name": "fillResults", + "type": "tuple" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "validatorAddress", + "type": "address" + }, + { + "name": "approval", + "type": "bool" + } + ], + "name": "setSignatureValidatorApproval", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "", + "type": "address" + }, + { + "name": "", + "type": "address" + } + ], + "name": "allowedValidators", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "components": [ + { + "name": "makerAddress", + "type": "address" + }, + { + "name": "takerAddress", + "type": "address" + }, + { + "name": "feeRecipientAddress", + "type": "address" + }, + { + "name": "senderAddress", + "type": "address" + }, + { + "name": "makerAssetAmount", + "type": "uint256" + }, + { + "name": "takerAssetAmount", + "type": "uint256" + }, + { + "name": "makerFee", + "type": "uint256" + }, + { + "name": "takerFee", + "type": "uint256" + }, + { + "name": "expirationTimeSeconds", + "type": "uint256" + }, + { + "name": "salt", + "type": "uint256" + }, + { + "name": "makerAssetData", + "type": "bytes" + }, + { + "name": "takerAssetData", + "type": "bytes" + } + ], + "name": "orders", + "type": "tuple[]" + }, + { + "name": "takerAssetFillAmount", + "type": "uint256" + }, + { + "name": "signatures", + "type": "bytes[]" + } + ], + "name": "marketSellOrders", + "outputs": [ + { + "components": [ + { + "name": "makerAssetFilledAmount", + "type": "uint256" + }, + { + "name": "takerAssetFilledAmount", + "type": "uint256" + }, + { + "name": "makerFeePaid", + "type": "uint256" + }, + { + "name": "takerFeePaid", + "type": "uint256" + } + ], + "name": "totalFillResults", + "type": "tuple" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "components": [ + { + "name": "makerAddress", + "type": "address" + }, + { + "name": "takerAddress", + "type": "address" + }, + { + "name": "feeRecipientAddress", + "type": "address" + }, + { + "name": "senderAddress", + "type": "address" + }, + { + "name": "makerAssetAmount", + "type": "uint256" + }, + { + "name": "takerAssetAmount", + "type": "uint256" + }, + { + "name": "makerFee", + "type": "uint256" + }, + { + "name": "takerFee", + "type": "uint256" + }, + { + "name": "expirationTimeSeconds", + "type": "uint256" + }, + { + "name": "salt", + "type": "uint256" + }, + { + "name": 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"constant": true, + "inputs": [ + { + "name": "hash", + "type": "bytes32" + }, + { + "name": "signerAddress", + "type": "address" + }, + { + "name": "signature", + "type": "bytes" + } + ], + "name": "isValidSignature", + "outputs": [ + { + "name": "isValid", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "components": [ + { + "name": "makerAddress", + "type": "address" + }, + { + "name": "takerAddress", + "type": "address" + }, + { + "name": "feeRecipientAddress", + "type": "address" + }, + { + "name": "senderAddress", + "type": "address" + }, + { + "name": "makerAssetAmount", + "type": "uint256" + }, + { + "name": "takerAssetAmount", + "type": "uint256" + }, + { + "name": "makerFee", + "type": "uint256" + }, + { + "name": "takerFee", + "type": "uint256" + }, + { + "name": "expirationTimeSeconds", + "type": "uint256" + }, + { + "name": "salt", + "type": "uint256" + }, + { + "name": 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"stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "salt", + "type": "uint256" + }, + { + "name": "signerAddress", + "type": "address" + }, + { + "name": "data", + "type": "bytes" + }, + { + "name": "signature", + "type": "bytes" + } + ], + "name": "executeTransaction", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "assetProxy", + "type": "address" + } + ], + "name": "registerAssetProxy", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "components": [ + { + "name": "makerAddress", + "type": "address" + }, + { + "name": "takerAddress", + "type": "address" + }, + { + "name": "feeRecipientAddress", + "type": "address" + }, + { + "name": "senderAddress", + "type": "address" + }, + { + "name": "makerAssetAmount", + "type": "uint256" + }, + { + "name": "takerAssetAmount", + "type": "uint256" + }, + { + "name": "makerFee", + "type": "uint256" + }, + { + "name": "takerFee", + "type": "uint256" + }, + { + "name": "expirationTimeSeconds", + "type": "uint256" + }, + { + "name": "salt", + "type": "uint256" + }, + { + "name": "makerAssetData", + "type": "bytes" + }, + { + "name": "takerAssetData", + "type": "bytes" + } + ], + "name": "order", + "type": "tuple" + } + ], + "name": "getOrderInfo", + "outputs": [ + { + "components": [ + { + "name": "orderStatus", + "type": "uint8" + }, + { + "name": "orderHash", + "type": "bytes32" + }, + { + "name": "orderTakerAssetFilledAmount", + "type": "uint256" + } + ], + "name": "orderInfo", + "type": "tuple" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "components": [ + { + "name": "makerAddress", + "type": "address" + }, + { + "name": "takerAddress", + "type": "address" + }, + { + "name": "feeRecipientAddress", + "type": "address" + }, + { + "name": "senderAddress", + "type": "address" + }, + { + "name": "makerAssetAmount", + "type": "uint256" + }, + { + "name": "takerAssetAmount", + "type": "uint256" + }, + { + "name": "makerFee", + "type": "uint256" + }, + { + "name": "takerFee", + "type": "uint256" + }, + { + "name": "expirationTimeSeconds", + "type": "uint256" + }, + { + "name": "salt", + "type": "uint256" + }, + { + "name": "makerAssetData", + "type": "bytes" + }, + { + "name": "takerAssetData", + "type": "bytes" + } + ], + "name": "order", + "type": "tuple" + } + ], + "name": "cancelOrder", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "", + "type": "address" + }, + { + "name": "", + "type": "address" + } + ], + "name": "orderEpoch", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "ZRX_ASSET_DATA", + "outputs": [ + { + "name": "", + "type": "bytes" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "components": [ + { + "name": "makerAddress", + "type": "address" + }, + { + "name": "takerAddress", + "type": "address" + }, + { + "name": "feeRecipientAddress", + "type": "address" + }, + { + "name": "senderAddress", + "type": "address" + }, + { + "name": "makerAssetAmount", + "type": "uint256" + }, + { + "name": "takerAssetAmount", + "type": "uint256" + }, + { + "name": "makerFee", + "type": "uint256" + }, + { + "name": "takerFee", + "type": "uint256" + }, + { + "name": "expirationTimeSeconds", + "type": "uint256" + }, + { + "name": "salt", + "type": "uint256" + }, + { + "name": "makerAssetData", + "type": "bytes" + }, + { + "name": "takerAssetData", + "type": "bytes" + } + ], + "name": "orders", + "type": "tuple[]" + }, + { + "name": "takerAssetFillAmount", + "type": "uint256" + }, + { + "name": "signatures", + "type": "bytes[]" + } + ], + "name": "marketSellOrdersNoThrow", + "outputs": [ + { + "components": [ + { + "name": "makerAssetFilledAmount", + "type": "uint256" + }, + { + "name": "takerAssetFilledAmount", + "type": "uint256" + }, + { + "name": "makerFeePaid", + "type": "uint256" + }, + { + "name": "takerFeePaid", + "type": "uint256" + } + ], + "name": "totalFillResults", + "type": "tuple" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "EIP712_DOMAIN_HASH", + "outputs": [ + { + "name": "", + "type": "bytes32" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "components": [ + { + "name": "makerAddress", + "type": "address" + }, + { + "name": "takerAddress", + "type": "address" + }, + { + "name": "feeRecipientAddress", + "type": 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"totalFillResults", + "type": "tuple" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "currentContextAddress", + "outputs": [ + { + "name": "", + "type": "address" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "newOwner", + "type": "address" + } + ], + "name": "transferOwnership", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "VERSION", + "outputs": [ + { + "name": "", + "type": "string" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "inputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "constructor" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "signerAddress", + "type": "address" + }, + { + "indexed": true, + "name": "validatorAddress", + "type": "address" + }, + { + "indexed": false, + "name": "approved", + "type": "bool" + } + ], + "name": "SignatureValidatorApproval", + "type": "event" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "makerAddress", + "type": "address" + }, + { + "indexed": true, + "name": "feeRecipientAddress", + "type": "address" + }, + { + "indexed": false, + "name": "takerAddress", + "type": "address" + }, + { + "indexed": false, + "name": "senderAddress", + "type": "address" + }, + { + "indexed": false, + "name": "makerAssetFilledAmount", + "type": "uint256" + }, + { + "indexed": false, + "name": "takerAssetFilledAmount", + "type": "uint256" + }, + { + "indexed": false, + "name": "makerFeePaid", + "type": "uint256" + }, + { + "indexed": false, + "name": "takerFeePaid", + "type": "uint256" + }, + { + "indexed": true, + "name": "orderHash", + "type": "bytes32" + }, + { + "indexed": false, + "name": "makerAssetData", + "type": 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PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH3 0x103 JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH1 0x0 NOT ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 DUP1 MLOAD SWAP3 SWAP1 SWAP5 ADD DUP3 SWAP1 SUB DUP3 KECCAK256 DUP3 DUP6 ADD DUP6 MSTORE PUSH1 0xB DUP1 DUP5 MSTORE PUSH32 0x30782050726F746F636F6C000000000000000000000000000000000000000000 SWAP3 DUP5 ADD SWAP3 DUP4 MSTORE SWAP5 MLOAD SWAP1 SWAP7 POP SWAP2 SWAP5 POP SWAP1 SWAP3 DUP4 SWAP3 POP DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH3 0x1AE JUMPI DUP1 MLOAD DUP3 MSTORE PUSH1 0x1F NOT SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH3 0x18D JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH1 0x0 NOT ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 DUP1 MLOAD SWAP3 SWAP1 SWAP5 ADD DUP3 SWAP1 SUB DUP3 KECCAK256 DUP3 DUP6 ADD DUP6 MSTORE PUSH1 0x1 DUP1 DUP5 MSTORE PUSH32 0x3200000000000000000000000000000000000000000000000000000000000000 SWAP3 DUP5 ADD SWAP3 DUP4 MSTORE SWAP5 MLOAD SWAP1 SWAP7 POP SWAP2 SWAP5 POP SWAP1 SWAP3 DUP4 SWAP3 POP DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH3 0x238 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH1 0x1F NOT SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH3 0x217 JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH1 0x0 NOT ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 DUP1 MLOAD SWAP3 SWAP1 SWAP5 ADD DUP3 SWAP1 SUB DUP3 KECCAK256 DUP3 DUP3 ADD SWAP9 SWAP1 SWAP9 MSTORE DUP2 DUP5 ADD SWAP7 SWAP1 SWAP7 MSTORE PUSH1 0x60 DUP2 ADD SWAP7 SWAP1 SWAP7 MSTORE POP ADDRESS PUSH1 0x80 DUP1 DUP8 ADD SWAP2 SWAP1 SWAP2 MSTORE DUP2 MLOAD DUP1 DUP8 SUB SWAP1 SWAP2 ADD DUP2 MSTORE PUSH1 0xA0 SWAP1 SWAP6 ADD SWAP1 DUP2 SWAP1 MSTORE DUP5 MLOAD SWAP1 SWAP4 DUP5 SWAP4 POP DUP6 ADD SWAP2 POP DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH3 0x2C3 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH1 0x1F NOT SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH3 0x2A2 JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x0 NOT PUSH1 0x20 SWAP5 SWAP1 SWAP5 SUB PUSH2 0x100 EXP SWAP4 SWAP1 SWAP4 ADD SWAP3 DUP4 AND SWAP3 NOT AND SWAP2 SWAP1 SWAP2 OR SWAP1 MSTORE PUSH1 0x40 MLOAD SWAP3 ADD DUP3 SWAP1 SUB SWAP1 SWAP2 KECCAK256 PUSH1 0x1 SSTORE POP POP PUSH1 0x2 DUP1 SLOAD PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB NOT AND CALLER OR SWAP1 SSTORE POP PUSH2 0x58B3 DUP1 PUSH3 0x316 PUSH1 0x0 CODECOPY PUSH1 0x0 RETURN STOP PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0x1B6 JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x288CDC91 DUP2 EQ PUSH2 0x1BB JUMPI DUP1 PUSH4 0x297BB70B EQ PUSH2 0x1F1 JUMPI DUP1 PUSH4 0x2AC12622 EQ PUSH2 0x21E JUMPI DUP1 PUSH4 0x3683EF8E EQ PUSH2 0x24B JUMPI DUP1 PUSH4 0x3C28D861 EQ PUSH2 0x26D JUMPI DUP1 PUSH4 0x3E228BAE EQ PUSH2 0x29A JUMPI DUP1 PUSH4 0x3FD3C997 EQ PUSH2 0x2BA JUMPI DUP1 PUSH4 0x4AC14782 EQ PUSH2 0x2E7 JUMPI DUP1 PUSH4 0x4D0AE546 EQ PUSH2 0x307 JUMPI DUP1 PUSH4 0x4F9559B1 EQ PUSH2 0x327 JUMPI DUP1 PUSH4 0x50DDE190 EQ PUSH2 0x347 JUMPI DUP1 PUSH4 0x60704108 EQ PUSH2 0x367 JUMPI DUP1 PUSH4 0x642F2EAF EQ PUSH2 0x394 JUMPI DUP1 PUSH4 0x64A3BC15 EQ PUSH2 0x3B4 JUMPI DUP1 PUSH4 0x77FCCE68 EQ PUSH2 0x3D4 JUMPI DUP1 PUSH4 0x7B8E3514 EQ PUSH2 0x3F4 JUMPI DUP1 PUSH4 0x7E1D9808 EQ PUSH2 0x414 JUMPI DUP1 PUSH4 0x7E9D74DC EQ PUSH2 0x434 JUMPI DUP1 PUSH4 0x82C174D0 EQ PUSH2 0x461 JUMPI DUP1 PUSH4 0x8DA5CB5B EQ PUSH2 0x481 JUMPI DUP1 PUSH4 0x93634702 EQ PUSH2 0x496 JUMPI DUP1 PUSH4 0xA3E20380 EQ PUSH2 0x4B6 JUMPI DUP1 PUSH4 0xB4BE83D5 EQ PUSH2 0x4D6 JUMPI DUP1 PUSH4 0xBFC8BFCE EQ PUSH2 0x4F6 JUMPI DUP1 PUSH4 0xC585BB93 EQ PUSH2 0x516 JUMPI DUP1 PUSH4 0xC75E0A81 EQ PUSH2 0x536 JUMPI DUP1 PUSH4 0xD46B02C3 EQ PUSH2 0x563 JUMPI DUP1 PUSH4 0xD9BFA73E EQ PUSH2 0x583 JUMPI DUP1 PUSH4 0xDB123B1A EQ PUSH2 0x5A3 JUMPI DUP1 PUSH4 0xDD1C7D18 EQ PUSH2 0x5C5 JUMPI DUP1 PUSH4 0xE306F779 EQ PUSH2 0x5E5 JUMPI DUP1 PUSH4 0xE5FA431B EQ PUSH2 0x5FA JUMPI DUP1 PUSH4 0xEEA086BA EQ PUSH2 0x61A JUMPI DUP1 PUSH4 0xF2FDE38B EQ PUSH2 0x62F JUMPI DUP1 PUSH4 0xFFA1AD74 EQ PUSH2 0x64F JUMPI JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1C7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH2 0x1D6 CALLDATASIZE PUSH1 0x4 PUSH2 0x4800 JUMP JUMPDEST PUSH2 0x664 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x5425 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1FD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x20C CALLDATASIZE PUSH1 0x4 PUSH2 0x4723 JUMP JUMPDEST PUSH2 0x676 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x56FF JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x22A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x23E PUSH2 0x239 CALLDATASIZE PUSH1 0x4 PUSH2 0x4800 JUMP JUMPDEST PUSH2 0x7A1 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x5417 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x257 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x266 CALLDATASIZE PUSH1 0x4 PUSH2 0x483D JUMP JUMPDEST PUSH2 0x7B6 JUMP JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x279 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x28D PUSH2 0x288 CALLDATASIZE PUSH1 0x4 PUSH2 0x4971 JUMP JUMPDEST PUSH2 0x8A3 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x570D JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2A6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x2B5 CALLDATASIZE PUSH1 0x4 PUSH2 0x4A31 JUMP JUMPDEST PUSH2 0xA3A JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2C6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2DA PUSH2 0x2D5 CALLDATASIZE PUSH1 0x4 PUSH2 0x4900 JUMP JUMPDEST PUSH2 0xA90 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x54E1 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2F3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x302 CALLDATASIZE PUSH1 0x4 PUSH2 0x46EE JUMP JUMPDEST PUSH2 0xAB8 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x313 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x322 CALLDATASIZE PUSH1 0x4 PUSH2 0x4723 JUMP JUMPDEST PUSH2 0xB85 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x333 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x342 CALLDATASIZE PUSH1 0x4 PUSH2 0x4800 JUMP JUMPDEST PUSH2 0xC75 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x353 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x362 CALLDATASIZE PUSH1 0x4 PUSH2 0x4723 JUMP JUMPDEST PUSH2 0xE2A JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x373 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x387 PUSH2 0x382 CALLDATASIZE PUSH1 0x4 PUSH2 0x4900 JUMP JUMPDEST PUSH2 0xEBE JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x5337 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3A0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x23E PUSH2 0x3AF CALLDATASIZE PUSH1 0x4 PUSH2 0x4800 JUMP JUMPDEST PUSH2 0xF0C JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3C0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x3CF CALLDATASIZE PUSH1 0x4 PUSH2 0x4A31 JUMP JUMPDEST PUSH2 0xF21 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3E0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x3EF CALLDATASIZE PUSH1 0x4 PUSH2 0x46BE JUMP JUMPDEST PUSH2 0xFCC JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x400 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x23E PUSH2 0x40F CALLDATASIZE PUSH1 0x4 PUSH2 0x4684 JUMP JUMPDEST PUSH2 0x1106 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x420 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x42F CALLDATASIZE PUSH1 0x4 PUSH2 0x47B7 JUMP JUMPDEST PUSH2 0x1126 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x440 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x454 PUSH2 0x44F CALLDATASIZE PUSH1 0x4 PUSH2 0x46EE JUMP JUMPDEST PUSH2 0x128A JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x5406 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x46D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x23E PUSH2 0x47C CALLDATASIZE PUSH1 0x4 PUSH2 0x481E JUMP JUMPDEST PUSH2 0x131F JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x48D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x387 PUSH2 0x133F JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x4A2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x23E PUSH2 0x4B1 CALLDATASIZE PUSH1 0x4 PUSH2 0x48A5 JUMP JUMPDEST PUSH2 0x135B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x4C2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x4D1 CALLDATASIZE PUSH1 0x4 PUSH2 0x47B7 JUMP JUMPDEST PUSH2 0x18DE JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x4E2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x4F1 CALLDATASIZE PUSH1 0x4 PUSH2 0x4A31 JUMP JUMPDEST PUSH2 0x19F1 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x502 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x511 CALLDATASIZE PUSH1 0x4 PUSH2 0x4A7A JUMP JUMPDEST PUSH2 0x1A6C JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x522 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x531 CALLDATASIZE PUSH1 0x4 PUSH2 0x4666 JUMP JUMPDEST PUSH2 0x1D05 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x542 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x556 PUSH2 0x551 CALLDATASIZE PUSH1 0x4 PUSH2 0x493C JUMP JUMPDEST PUSH2 0x1F30 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x571C JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x56F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x57E CALLDATASIZE PUSH1 0x4 PUSH2 0x493C JUMP JUMPDEST PUSH2 0x202A JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x58F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH2 0x59E CALLDATASIZE PUSH1 0x4 PUSH2 0x4684 JUMP JUMPDEST PUSH2 0x20C6 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x5AF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x5B8 PUSH2 0x20E3 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x54D0 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x5D1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x5E0 CALLDATASIZE PUSH1 0x4 PUSH2 0x47B7 JUMP JUMPDEST PUSH2 0x2143 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x5F1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH2 0x2218 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x606 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x615 CALLDATASIZE PUSH1 0x4 PUSH2 0x47B7 JUMP JUMPDEST PUSH2 0x221E JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x626 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x387 PUSH2 0x2390 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x63B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x64A CALLDATASIZE PUSH1 0x4 PUSH2 0x4666 JUMP JUMPDEST PUSH2 0x23AC JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x65B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x5B8 PUSH2 0x245D JUMP JUMPDEST PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP2 JUMP JUMPDEST PUSH2 0x67E PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0x689 PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x6CF JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567F JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR DUP2 SSTORE DUP8 MLOAD SWAP4 POP SWAP2 POP JUMPDEST DUP2 DUP4 EQ PUSH2 0x76F JUMPI PUSH2 0x758 DUP8 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x719 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP8 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x731 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP8 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x749 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x2494 JUMP JUMPDEST SWAP1 POP PUSH2 0x764 DUP5 DUP3 PUSH2 0x2532 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH2 0x701 JUMP JUMPDEST POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x4 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND CALLER EQ PUSH2 0x846 JUMPI PUSH2 0x80E DUP5 DUP5 DUP5 DUP5 DUP1 DUP1 PUSH1 0x1F ADD PUSH1 0x20 DUP1 SWAP2 DIV MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP4 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP4 DUP4 DUP1 DUP3 DUP5 CALLDATACOPY POP PUSH2 0x135B SWAP5 POP POP POP POP POP JUMP JUMPDEST ISZERO ISZERO PUSH2 0x846 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x55AF JUMP JUMPDEST POP POP PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x6 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP4 AND DUP5 MSTORE SWAP2 SWAP1 MSTORE SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE JUMP JUMPDEST PUSH2 0x8AB PUSH2 0x42C1 JUMP JUMPDEST PUSH2 0x8B3 PUSH2 0x42F0 JUMP JUMPDEST PUSH2 0x8BB PUSH2 0x42F0 JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x8F9 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567F JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE PUSH2 0x160 DUP1 DUP10 ADD MLOAD PUSH2 0x140 DUP1 DUP11 ADD SWAP2 SWAP1 SWAP2 MSTORE DUP10 ADD MLOAD SWAP1 DUP9 ADD MSTORE PUSH2 0x945 DUP9 PUSH2 0x1F30 JUMP JUMPDEST SWAP3 POP PUSH2 0x950 DUP8 PUSH2 0x1F30 JUMP JUMPDEST SWAP2 POP PUSH2 0x95A PUSH2 0x2594 JUMP JUMPDEST SWAP1 POP PUSH2 0x968 DUP9 DUP5 DUP4 DUP10 PUSH2 0x25C6 JUMP JUMPDEST PUSH2 0x974 DUP8 DUP4 DUP4 DUP9 PUSH2 0x25C6 JUMP JUMPDEST PUSH2 0x97E DUP9 DUP9 PUSH2 0x275E JUMP JUMPDEST PUSH2 0x992 DUP9 DUP9 DUP6 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x40 ADD MLOAD PUSH2 0x27BE JUMP JUMPDEST DUP1 MLOAD PUSH1 0x20 DUP2 ADD MLOAD SWAP1 MLOAD SWAP2 SWAP6 POP PUSH2 0x9AD SWAP2 DUP11 SWAP2 DUP7 SWAP2 DUP2 SWAP1 PUSH2 0x2945 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP6 ADD MLOAD SWAP1 DUP2 ADD MLOAD SWAP1 MLOAD PUSH2 0x9C9 SWAP2 DUP10 SWAP2 DUP6 SWAP2 SWAP1 DUP2 SWAP1 PUSH2 0x2945 JUMP JUMPDEST PUSH2 0x9E2 DUP9 DUP3 DUP6 PUSH1 0x20 ADD MLOAD DUP7 PUSH1 0x40 ADD MLOAD DUP9 PUSH1 0x0 ADD MLOAD PUSH2 0x2A5E JUMP JUMPDEST PUSH2 0x9FB DUP8 DUP3 DUP5 PUSH1 0x20 ADD MLOAD DUP6 PUSH1 0x40 ADD MLOAD DUP9 PUSH1 0x20 ADD MLOAD PUSH2 0x2A5E JUMP JUMPDEST PUSH2 0xA07 DUP9 DUP9 DUP4 DUP8 PUSH2 0x2B0A JUMP JUMPDEST POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH2 0xA42 PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x60 PUSH2 0xA4F DUP6 DUP6 DUP6 PUSH2 0x2C92 JUMP JUMPDEST SWAP1 POP PUSH1 0x80 DUP2 DUP3 MLOAD PUSH1 0x20 DUP5 ADD ADDRESS GAS DELEGATECALL DUP1 ISZERO PUSH2 0xA86 JUMPI DUP2 MLOAD DUP4 MSTORE PUSH1 0x20 DUP3 ADD MLOAD PUSH1 0x20 DUP5 ADD MSTORE PUSH1 0x40 DUP3 ADD MLOAD PUSH1 0x40 DUP5 ADD MSTORE PUSH1 0x60 DUP3 ADD MLOAD PUSH1 0x60 DUP5 ADD MSTORE JUMPDEST POP JUMPDEST POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0xA PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD DUP2 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0xAF8 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567F JUMP JUMPDEST POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR DUP2 SSTORE DUP2 MLOAD SWAP1 JUMPDEST DUP1 DUP3 EQ PUSH2 0xB58 JUMPI PUSH2 0xB50 DUP4 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xB41 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x2E64 JUMP JUMPDEST PUSH1 0x1 ADD PUSH2 0xB29 JUMP JUMPDEST POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP JUMP JUMPDEST PUSH2 0xB8D PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0xB98 PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0xBD5 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567F JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR DUP2 SSTORE DUP8 MLOAD SWAP4 POP SWAP2 POP JUMPDEST DUP2 DUP4 EQ PUSH2 0x76F JUMPI PUSH2 0xC5E DUP8 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xC1F JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP8 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xC37 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP8 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xC4F JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x2E8F JUMP JUMPDEST SWAP1 POP PUSH2 0xC6A DUP5 DUP3 PUSH2 0x2532 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH2 0xC07 JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD DUP2 SWAP1 DUP2 SWAP1 DUP2 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0xCB9 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567F JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE PUSH2 0xCEC PUSH2 0x2594 JUMP JUMPDEST SWAP4 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND CALLER EQ PUSH2 0xD11 JUMPI CALLER PUSH2 0xD14 JUMP JUMPDEST PUSH1 0x0 JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP7 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x5 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP4 DUP6 AND DUP4 MSTORE SWAP3 SWAP1 MSTORE KECCAK256 SLOAD SWAP1 SWAP4 POP PUSH1 0x1 DUP7 ADD SWAP3 POP SWAP1 POP DUP1 DUP3 GT PUSH2 0xD8B JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x563F JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP6 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x5 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP5 DUP9 AND DUP1 DUP5 MSTORE SWAP5 SWAP1 SWAP2 MSTORE SWAP1 DUP2 SWAP1 KECCAK256 DUP6 SWAP1 SSTORE MLOAD PUSH32 0x82AF639571738F4EBD4268FB0363D8957EBE1BBB9E78DBA5EBD69EED39B154F0 SWAP1 PUSH2 0xDF3 SWAP1 DUP7 SWAP1 PUSH2 0x5425 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP POP POP JUMP JUMPDEST PUSH2 0xE32 PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0xE3D PUSH2 0x4298 JUMP JUMPDEST DUP7 MLOAD SWAP3 POP PUSH1 0x0 SWAP2 POP JUMPDEST DUP2 DUP4 EQ PUSH2 0xEB4 JUMPI PUSH2 0xE9D DUP8 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xE5E JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP8 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xE76 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP8 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xE8E JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0xA3A JUMP JUMPDEST SWAP1 POP PUSH2 0xEA9 DUP5 DUP3 PUSH2 0x2532 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH2 0xE46 JUMP JUMPDEST POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0xA PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND JUMPDEST SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x8 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH2 0xF29 PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0xF66 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567F JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE PUSH2 0xF9C DUP5 DUP5 DUP5 PUSH2 0x2E8F JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x100A JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567F JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE PUSH2 0x103D PUSH2 0x2594 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 DUP2 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x7 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP5 DUP10 AND DUP1 DUP5 MSTORE SWAP5 SWAP1 SWAP2 MSTORE SWAP1 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND DUP8 ISZERO ISZERO OR SWAP1 SSTORE MLOAD SWAP3 SWAP4 POP SWAP1 SWAP2 PUSH32 0xA8656E308026EEABCE8F0BC18048433252318AB80AC79DA0B3D3D8697DFBA891 SWAP1 PUSH2 0x10D1 SWAP1 DUP7 SWAP1 PUSH2 0x5417 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP JUMP JUMPDEST PUSH1 0x7 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x0 SWAP3 DUP4 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 SWAP1 SWAP2 MSTORE SWAP1 DUP3 MSTORE SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH2 0x112E PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x0 DUP1 PUSH1 0x0 PUSH2 0x113D PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x117A JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567F JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR DUP2 SSTORE DUP10 MLOAD DUP11 SWAP2 SWAP1 DUP2 LT PUSH2 0x11B2 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x160 ADD MLOAD SWAP5 POP DUP9 MLOAD SWAP4 POP PUSH1 0x0 SWAP3 POP JUMPDEST DUP3 DUP5 EQ PUSH2 0x1255 JUMPI DUP5 DUP10 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x11E2 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x160 ADD DUP2 SWAP1 MSTORE POP PUSH2 0x1202 DUP9 DUP8 PUSH1 0x20 ADD MLOAD PUSH2 0x2EE2 JUMP JUMPDEST SWAP2 POP PUSH2 0x122E DUP10 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1215 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP4 DUP10 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x749 JUMPI INVALID JUMPDEST SWAP1 POP PUSH2 0x123A DUP7 DUP3 PUSH2 0x2532 JUMP JUMPDEST PUSH1 0x20 DUP7 ADD MLOAD DUP9 GT PUSH2 0x124A JUMPI PUSH2 0x1255 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP3 ADD SWAP2 PUSH2 0x11CC JUMP JUMPDEST POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP SWAP2 SWAP6 SWAP5 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x60 PUSH1 0x0 PUSH1 0x60 PUSH1 0x0 DUP5 MLOAD SWAP3 POP DUP3 PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x12D0 JUMPI DUP2 PUSH1 0x20 ADD JUMPDEST PUSH2 0x12BD PUSH2 0x42F0 JUMP JUMPDEST DUP2 MSTORE PUSH1 0x20 ADD SWAP1 PUSH1 0x1 SWAP1 SUB SWAP1 DUP2 PUSH2 0x12B5 JUMPI SWAP1 POP JUMPDEST POP SWAP2 POP PUSH1 0x0 SWAP1 POP JUMPDEST DUP1 DUP4 EQ PUSH2 0xA88 JUMPI PUSH2 0x12FF DUP6 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x12F0 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x1F30 JUMP JUMPDEST DUP3 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x130D JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MSTORE PUSH1 0x1 ADD PUSH2 0x12D8 JUMP JUMPDEST PUSH1 0x6 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x0 SWAP3 DUP4 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 SWAP1 SWAP2 MSTORE SWAP1 DUP3 MSTORE SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x2 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP10 MLOAD GT ISZERO ISZERO PUSH2 0x13A4 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x562F JUMP JUMPDEST PUSH2 0x13AD DUP10 PUSH2 0x2F29 JUMP JUMPDEST PUSH32 0x100000000000000000000000000000000000000000000000000000000000000 SWAP1 DIV SWAP7 POP PUSH1 0x7 PUSH1 0xFF DUP9 AND LT PUSH2 0x140F JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x554F JUMP JUMPDEST DUP7 PUSH1 0xFF AND PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x141E JUMPI INVALID JUMPDEST SWAP6 POP PUSH1 0x0 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x142E JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x1466 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x561F JUMP JUMPDEST PUSH1 0x1 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x1474 JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x14BC JUMPI DUP9 MLOAD ISZERO PUSH2 0x14B3 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56EF JUMP JUMPDEST PUSH1 0x0 SWAP8 POP PUSH2 0x18D0 JUMP JUMPDEST PUSH1 0x2 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x14CA JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x1605 JUMPI DUP9 MLOAD PUSH1 0x41 EQ PUSH2 0x150B JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x54EF JUMP JUMPDEST DUP9 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x151A JUMPI INVALID JUMPDEST ADD PUSH1 0x20 ADD MLOAD PUSH32 0x100000000000000000000000000000000000000000000000000000000000000 SWAP1 DUP2 SWAP1 DIV DUP2 MUL DIV SWAP5 POP PUSH2 0x155A DUP10 PUSH1 0x1 PUSH4 0xFFFFFFFF PUSH2 0x2FED AND JUMP JUMPDEST SWAP4 POP PUSH2 0x156D DUP10 PUSH1 0x21 PUSH4 0xFFFFFFFF PUSH2 0x2FED AND JUMP JUMPDEST SWAP3 POP PUSH1 0x1 DUP12 DUP7 DUP7 DUP7 PUSH1 0x40 MLOAD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x40 MSTORE PUSH1 0x40 MLOAD PUSH2 0x1592 SWAP5 SWAP4 SWAP3 SWAP2 SWAP1 PUSH2 0x5480 JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD PUSH1 0x20 DUP2 SUB SWAP1 DUP1 DUP5 SUB SWAP1 PUSH1 0x0 DUP7 GAS CALL ISZERO DUP1 ISZERO PUSH2 0x15B6 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP PUSH1 0x40 MLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP13 DUP2 AND SWAP1 DUP3 AND EQ SWAP10 POP SWAP3 POP PUSH2 0x18D0 SWAP1 POP JUMP JUMPDEST PUSH1 0x3 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x1613 JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x17B9 JUMPI DUP9 MLOAD PUSH1 0x41 EQ PUSH2 0x1654 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x54EF JUMP JUMPDEST DUP9 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1663 JUMPI INVALID JUMPDEST ADD PUSH1 0x20 ADD MLOAD PUSH32 0x100000000000000000000000000000000000000000000000000000000000000 SWAP1 DUP2 SWAP1 DIV DUP2 MUL DIV SWAP5 POP PUSH2 0x16A3 DUP10 PUSH1 0x1 PUSH4 0xFFFFFFFF PUSH2 0x2FED AND JUMP JUMPDEST SWAP4 POP PUSH2 0x16B6 DUP10 PUSH1 0x21 PUSH4 0xFFFFFFFF PUSH2 0x2FED AND JUMP JUMPDEST SWAP3 POP PUSH1 0x1 DUP12 PUSH1 0x40 MLOAD PUSH1 0x20 ADD DUP1 DUP1 PUSH32 0x19457468657265756D205369676E6564204D6573736167653A0A333200000000 DUP2 MSTORE POP PUSH1 0x1C ADD DUP3 PUSH1 0x0 NOT AND PUSH1 0x0 NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD PUSH1 0x20 DUP2 DUP4 SUB SUB DUP2 MSTORE SWAP1 PUSH1 0x40 MSTORE PUSH1 0x40 MLOAD DUP1 DUP3 DUP1 MLOAD SWAP1 PUSH1 0x20 ADD SWAP1 DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x1757 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x171A JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 DUP1 MLOAD SWAP3 SWAP1 SWAP5 ADD DUP3 SWAP1 SUB DUP3 KECCAK256 PUSH1 0x0 DUP4 MSTORE SWAP2 ADD SWAP3 DUP4 SWAP1 MSTORE PUSH2 0x1592 SWAP5 POP SWAP3 POP DUP10 SWAP2 DUP10 SWAP2 POP DUP9 SWAP1 PUSH2 0x5480 JUMP JUMPDEST PUSH1 0x4 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x17C7 JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x17DF JUMPI PUSH2 0x17D8 DUP12 DUP12 DUP12 PUSH2 0x3038 JUMP JUMPDEST SWAP8 POP PUSH2 0x18D0 JUMP JUMPDEST PUSH1 0x5 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x17ED JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x1850 JUMPI PUSH2 0x17FC DUP10 PUSH2 0x318D JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP13 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x7 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP4 DUP6 AND DUP4 MSTORE SWAP3 SWAP1 MSTORE KECCAK256 SLOAD SWAP1 SWAP2 POP PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x1844 JUMPI PUSH1 0x0 SWAP8 POP PUSH2 0x18D0 JUMP JUMPDEST PUSH2 0x17D8 DUP2 DUP13 DUP13 DUP13 PUSH2 0x3206 JUMP JUMPDEST PUSH1 0x6 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x185E JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x189E JUMPI PUSH1 0x0 DUP12 DUP2 MSTORE PUSH1 0x6 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP15 AND DUP5 MSTORE SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND SWAP8 POP PUSH2 0x18D0 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x554F JUMP JUMPDEST POP POP POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH2 0x18E6 PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH2 0x18F6 PUSH2 0x4298 JUMP JUMPDEST DUP10 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1905 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x140 ADD MLOAD SWAP6 POP DUP10 MLOAD SWAP5 POP PUSH1 0x0 SWAP4 POP JUMPDEST DUP4 DUP6 EQ PUSH2 0x19E4 JUMPI DUP6 DUP11 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1935 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x140 ADD MSTORE DUP7 MLOAD PUSH2 0x1951 SWAP1 DUP11 SWAP1 PUSH2 0x2EE2 JUMP JUMPDEST SWAP3 POP PUSH2 0x1994 DUP11 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1964 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0xA0 ADD MLOAD DUP12 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1980 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0x80 ADD MLOAD DUP6 PUSH2 0x3362 JUMP JUMPDEST SWAP2 POP PUSH2 0x19C0 DUP11 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x19A7 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP4 DUP11 DUP8 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xE8E JUMPI INVALID JUMPDEST SWAP1 POP PUSH2 0x19CC DUP8 DUP3 PUSH2 0x2532 JUMP JUMPDEST DUP7 MLOAD DUP10 GT PUSH2 0x19D9 JUMPI PUSH2 0x19E4 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP4 ADD SWAP3 PUSH2 0x191F JUMP JUMPDEST POP POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH2 0x19F9 PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x1A36 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567F JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE PUSH2 0xF9C DUP5 DUP5 DUP5 PUSH2 0x2494 JUMP JUMPDEST PUSH1 0x9 SLOAD PUSH1 0x0 SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND ISZERO PUSH2 0x1ABF JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567F JUMP JUMPDEST PUSH2 0x1B02 PUSH2 0x1AFD DUP9 DUP9 DUP9 DUP9 DUP1 DUP1 PUSH1 0x1F ADD PUSH1 0x20 DUP1 SWAP2 DIV MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP4 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP4 DUP4 DUP1 DUP3 DUP5 CALLDATACOPY POP PUSH2 0x33B8 SWAP5 POP POP POP POP POP JUMP JUMPDEST PUSH2 0x35F9 JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x8 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD SWAP1 SWAP2 POP PUSH1 0xFF AND ISZERO PUSH2 0x1B4E JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x559F JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 AND CALLER EQ PUSH2 0x1C1F JUMPI PUSH2 0x1BA6 DUP2 DUP8 DUP6 DUP6 DUP1 DUP1 PUSH1 0x1F ADD PUSH1 0x20 DUP1 SWAP2 DIV MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP4 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP4 DUP4 DUP1 DUP3 DUP5 CALLDATACOPY POP PUSH2 0x135B SWAP5 POP POP POP POP POP JUMP JUMPDEST ISZERO ISZERO PUSH2 0x1BDE JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56DF JUMP JUMPDEST PUSH1 0x9 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP9 AND OR SWAP1 SSTORE JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x8 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE MLOAD ADDRESS SWAP1 DUP7 SWAP1 DUP7 SWAP1 DUP1 DUP4 DUP4 DUP1 DUP3 DUP5 CALLDATACOPY DUP3 ADD SWAP2 POP POP SWAP3 POP POP POP PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 DUP6 GAS DELEGATECALL SWAP2 POP POP ISZERO ISZERO PUSH2 0x1CB6 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x55CF JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 AND CALLER EQ PUSH2 0x1CFC JUMPI PUSH1 0x9 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND SWAP1 SSTORE JUMPDEST POP POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x2 SLOAD PUSH1 0x0 SWAP1 DUP2 SWAP1 DUP2 SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x1D5D JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x568F JUMP JUMPDEST DUP4 SWAP3 POP DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH4 0xAE25532E PUSH1 0x40 MLOAD DUP2 PUSH4 0xFFFFFFFF AND PUSH29 0x100000000000000000000000000000000000000000000000000000000 MUL DUP2 MSTORE PUSH1 0x4 ADD PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x1DC4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x1DD8 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x1DFC SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x491E JUMP JUMPDEST PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0xA PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD SWAP1 SWAP3 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 POP DUP1 ISZERO PUSH2 0x1E81 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x552F JUMP JUMPDEST PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0xA PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 AND OR SWAP1 SSTORE MLOAD PUSH32 0xD2C6B762299C609BDB96520B58A49BFB80186934D4F71A86A367571A15C03194 SWAP1 PUSH2 0x1F22 SWAP1 DUP5 SWAP1 DUP8 SWAP1 PUSH2 0x54B5 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG1 POP POP POP POP JUMP JUMPDEST PUSH2 0x1F38 PUSH2 0x42F0 JUMP JUMPDEST PUSH2 0x1F41 DUP3 PUSH2 0x3639 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP4 ADD DUP3 SWAP1 MSTORE PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x3 SWAP1 MSTORE PUSH1 0x40 SWAP1 DUP2 SWAP1 KECCAK256 SLOAD SWAP1 DUP3 ADD MSTORE PUSH1 0x80 DUP3 ADD MLOAD ISZERO ISZERO PUSH2 0x1F75 JUMPI PUSH1 0x1 JUMPDEST PUSH1 0xFF AND DUP2 MSTORE PUSH2 0xF07 JUMP JUMPDEST PUSH1 0xA0 DUP3 ADD MLOAD ISZERO ISZERO PUSH2 0x1F87 JUMPI PUSH1 0x2 PUSH2 0x1F6B JUMP JUMPDEST PUSH1 0xA0 DUP3 ADD MLOAD PUSH1 0x40 DUP3 ADD MLOAD LT PUSH2 0x1F9D JUMPI PUSH1 0x5 PUSH2 0x1F6B JUMP JUMPDEST PUSH2 0x100 DUP3 ADD MLOAD TIMESTAMP LT PUSH2 0x1FB0 JUMPI PUSH1 0x4 PUSH2 0x1F6B JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 ADD MLOAD PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x4 SWAP1 SWAP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x1FD4 JUMPI PUSH1 0x6 PUSH2 0x1F6B JUMP JUMPDEST PUSH2 0x120 DUP3 ADD MLOAD DUP3 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x5 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH1 0x60 DUP9 ADD MLOAD SWAP1 SWAP5 AND DUP4 MSTORE SWAP3 SWAP1 MSTORE KECCAK256 SLOAD GT ISZERO PUSH2 0x2021 JUMPI PUSH1 0x6 PUSH2 0x1F6B JUMP JUMPDEST PUSH1 0x3 DUP2 MSTORE SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x2067 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567F JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE PUSH2 0x209B DUP2 PUSH2 0x2E64 JUMP JUMPDEST POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE JUMP JUMPDEST PUSH1 0x5 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x0 SWAP3 DUP4 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 SWAP1 SWAP2 MSTORE SWAP1 DUP3 MSTORE SWAP1 KECCAK256 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 PUSH1 0x24 DUP2 MSTORE PUSH1 0x20 ADD PUSH32 0xF47261B0000000000000000000000000E41D2489571D322189246DAFA5EBDE1F DUP2 MSTORE PUSH1 0x20 ADD PUSH32 0x4699F49800000000000000000000000000000000000000000000000000000000 DUP2 MSTORE POP DUP2 JUMP JUMPDEST PUSH2 0x214B PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x0 DUP1 PUSH1 0x0 PUSH2 0x215A PUSH2 0x4298 JUMP JUMPDEST DUP9 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x2169 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x160 ADD MLOAD SWAP5 POP DUP9 MLOAD SWAP4 POP PUSH1 0x0 SWAP3 POP JUMPDEST DUP3 DUP5 EQ PUSH2 0x220C JUMPI DUP5 DUP10 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x2199 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x160 ADD DUP2 SWAP1 MSTORE POP PUSH2 0x21B9 DUP9 DUP8 PUSH1 0x20 ADD MLOAD PUSH2 0x2EE2 JUMP JUMPDEST SWAP2 POP PUSH2 0x21E5 DUP10 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x21CC JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP4 DUP10 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xE8E JUMPI INVALID JUMPDEST SWAP1 POP PUSH2 0x21F1 DUP7 DUP3 PUSH2 0x2532 JUMP JUMPDEST PUSH1 0x20 DUP7 ADD MLOAD DUP9 GT PUSH2 0x2201 JUMPI PUSH2 0x220C JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP3 ADD SWAP2 PUSH2 0x2183 JUMP JUMPDEST POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x1 SLOAD DUP2 JUMP JUMPDEST PUSH2 0x2226 PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH2 0x2236 PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x2273 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567F JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR DUP2 SSTORE DUP11 MLOAD DUP12 SWAP2 SWAP1 DUP2 LT PUSH2 0x22AB JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x140 ADD MLOAD SWAP6 POP DUP10 MLOAD SWAP5 POP PUSH1 0x0 SWAP4 POP JUMPDEST DUP4 DUP6 EQ PUSH2 0x235A JUMPI DUP6 DUP11 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x22DB JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x140 ADD MSTORE DUP7 MLOAD PUSH2 0x22F7 SWAP1 DUP11 SWAP1 PUSH2 0x2EE2 JUMP JUMPDEST SWAP3 POP PUSH2 0x230A DUP11 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1964 JUMPI INVALID JUMPDEST SWAP2 POP PUSH2 0x2336 DUP11 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x231D JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP4 DUP11 DUP8 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x749 JUMPI INVALID JUMPDEST SWAP1 POP PUSH2 0x2342 DUP8 DUP3 PUSH2 0x2532 JUMP JUMPDEST DUP7 MLOAD DUP10 GT PUSH2 0x234F JUMPI PUSH2 0x235A JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP4 ADD SWAP3 PUSH2 0x22C5 JUMP JUMPDEST POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP SWAP3 SWAP7 SWAP6 POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x9 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x2 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x23FD JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x568F JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0x245A JUMPI PUSH1 0x2 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND OR SWAP1 SSTORE JUMPDEST POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD DUP1 DUP3 ADD SWAP1 SWAP2 MSTORE PUSH1 0x5 DUP2 MSTORE PUSH32 0x322E302E30000000000000000000000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE DUP2 JUMP JUMPDEST PUSH2 0x249C PUSH2 0x4298 JUMP JUMPDEST PUSH2 0x24A4 PUSH2 0x42F0 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH2 0x24B2 DUP9 PUSH2 0x1F30 JUMP JUMPDEST SWAP4 POP PUSH2 0x24BC PUSH2 0x2594 JUMP JUMPDEST SWAP3 POP PUSH2 0x24CA DUP9 DUP6 DUP6 DUP10 PUSH2 0x25C6 JUMP JUMPDEST PUSH2 0x24DC DUP9 PUSH1 0xA0 ADD MLOAD DUP6 PUSH1 0x40 ADD MLOAD PUSH2 0x2EE2 JUMP JUMPDEST SWAP2 POP PUSH2 0x24E8 DUP8 DUP4 PUSH2 0x3647 JUMP JUMPDEST SWAP1 POP PUSH2 0x24FB DUP9 DUP6 DUP10 DUP5 DUP10 PUSH1 0x0 ADD MLOAD PUSH2 0x2945 JUMP JUMPDEST PUSH2 0x2505 DUP9 DUP3 PUSH2 0x365D JUMP JUMPDEST SWAP5 POP PUSH2 0x251C DUP9 DUP5 DUP7 PUSH1 0x20 ADD MLOAD DUP8 PUSH1 0x40 ADD MLOAD DUP10 PUSH2 0x2A5E JUMP JUMPDEST PUSH2 0x2527 DUP9 DUP5 DUP8 PUSH2 0x36BE JUMP JUMPDEST POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST DUP2 MLOAD DUP2 MLOAD PUSH2 0x2540 SWAP2 SWAP1 PUSH2 0x3776 JUMP JUMPDEST DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 ADD MLOAD SWAP1 DUP3 ADD MLOAD PUSH2 0x2556 SWAP2 SWAP1 PUSH2 0x3776 JUMP JUMPDEST PUSH1 0x20 DUP4 ADD MSTORE PUSH1 0x40 DUP1 DUP4 ADD MLOAD SWAP1 DUP3 ADD MLOAD PUSH2 0x256F SWAP2 SWAP1 PUSH2 0x3776 JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MSTORE PUSH1 0x60 DUP1 DUP4 ADD MLOAD SWAP1 DUP3 ADD MLOAD PUSH2 0x2588 SWAP2 SWAP1 PUSH2 0x3776 JUMP JUMPDEST PUSH1 0x60 SWAP1 SWAP3 ADD SWAP2 SWAP1 SWAP2 MSTORE POP JUMP JUMPDEST PUSH1 0x9 SLOAD PUSH1 0x0 SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 DUP2 ISZERO PUSH2 0x25BD JUMPI DUP2 PUSH2 0x25BF JUMP JUMPDEST CALLER JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST DUP3 MLOAD PUSH1 0xFF AND PUSH1 0x3 EQ PUSH2 0x2604 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56AF JUMP JUMPDEST PUSH1 0x60 DUP5 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND ISZERO PUSH2 0x2677 JUMPI PUSH1 0x60 DUP5 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x2677 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56BF JUMP JUMPDEST PUSH1 0x20 DUP5 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND ISZERO PUSH2 0x2702 JUMPI DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP5 PUSH1 0x20 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO ISZERO PUSH2 0x2702 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x54FF JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MLOAD ISZERO ISZERO PUSH2 0x2758 JUMPI PUSH2 0x2720 DUP4 PUSH1 0x20 ADD MLOAD DUP6 PUSH1 0x0 ADD MLOAD DUP4 PUSH2 0x135B JUMP JUMPDEST ISZERO ISZERO PUSH2 0x2758 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x556F JUMP JUMPDEST POP POP POP POP JUMP JUMPDEST PUSH2 0x2770 DUP3 PUSH1 0xA0 ADD MLOAD DUP3 PUSH1 0xA0 ADD MLOAD PUSH2 0x37C0 JUMP JUMPDEST PUSH2 0x2782 DUP4 PUSH1 0x80 ADD MLOAD DUP4 PUSH1 0x80 ADD MLOAD PUSH2 0x37C0 JUMP JUMPDEST LT ISZERO PUSH2 0x27BA JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56CF JUMP JUMPDEST POP POP JUMP JUMPDEST PUSH2 0x27C6 PUSH2 0x42C1 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH2 0x27DA DUP10 PUSH1 0xA0 ADD MLOAD DUP9 PUSH2 0x2EE2 JUMP JUMPDEST SWAP4 POP PUSH2 0x27EF DUP10 PUSH1 0x80 ADD MLOAD DUP11 PUSH1 0xA0 ADD MLOAD DUP7 PUSH2 0x381B JUMP JUMPDEST SWAP3 POP PUSH2 0x27FF DUP9 PUSH1 0xA0 ADD MLOAD DUP8 PUSH2 0x2EE2 JUMP JUMPDEST SWAP2 POP PUSH2 0x2814 DUP9 PUSH1 0x80 ADD MLOAD DUP10 PUSH1 0xA0 ADD MLOAD DUP5 PUSH2 0x381B JUMP JUMPDEST SWAP1 POP DUP1 DUP5 LT PUSH2 0x2857 JUMPI PUSH1 0x20 DUP1 DUP7 ADD DUP1 MLOAD DUP4 SWAP1 MSTORE DUP1 MLOAD DUP3 ADD DUP5 SWAP1 MSTORE MLOAD MLOAD DUP7 MLOAD DUP3 ADD MSTORE PUSH1 0x80 DUP11 ADD MLOAD PUSH1 0xA0 DUP12 ADD MLOAD DUP8 MLOAD SWAP1 SWAP3 ADD MLOAD PUSH2 0x284F SWAP3 SWAP1 PUSH2 0x381B JUMP JUMPDEST DUP6 MLOAD MSTORE PUSH2 0x2894 JUMP JUMPDEST DUP5 MLOAD DUP4 SWAP1 MSTORE DUP5 MLOAD PUSH1 0x20 SWAP1 DUP2 ADD DUP6 SWAP1 MSTORE DUP6 MLOAD DUP2 ADD MLOAD SWAP1 DUP7 ADD DUP1 MLOAD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0xA0 DUP10 ADD MLOAD PUSH1 0x80 DUP11 ADD MLOAD SWAP2 MLOAD MLOAD PUSH2 0x288B SWAP3 SWAP1 PUSH2 0x3898 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP8 ADD MLOAD ADD MSTORE JUMPDEST DUP5 MLOAD MLOAD PUSH1 0x20 DUP1 DUP8 ADD MLOAD ADD MLOAD PUSH2 0x28A9 SWAP2 SWAP1 PUSH2 0x2EE2 JUMP JUMPDEST PUSH1 0x40 DUP7 ADD MSTORE DUP5 MLOAD MLOAD PUSH1 0x80 DUP11 ADD MLOAD PUSH1 0xC0 DUP12 ADD MLOAD PUSH2 0x28C6 SWAP3 SWAP2 SWAP1 PUSH2 0x381B JUMP JUMPDEST DUP6 MLOAD PUSH1 0x40 ADD MSTORE DUP5 MLOAD PUSH1 0x20 ADD MLOAD PUSH1 0xA0 DUP11 ADD MLOAD PUSH1 0xE0 DUP12 ADD MLOAD PUSH2 0x28E7 SWAP3 SWAP2 SWAP1 PUSH2 0x381B JUMP JUMPDEST DUP6 MLOAD PUSH1 0x60 ADD MSTORE PUSH1 0x20 DUP6 ADD MLOAD MLOAD PUSH1 0x80 DUP10 ADD MLOAD PUSH1 0xC0 DUP11 ADD MLOAD PUSH2 0x2908 SWAP3 SWAP2 SWAP1 PUSH2 0x381B JUMP JUMPDEST DUP6 PUSH1 0x20 ADD MLOAD PUSH1 0x40 ADD DUP2 DUP2 MSTORE POP POP PUSH2 0x2930 DUP6 PUSH1 0x20 ADD MLOAD PUSH1 0x20 ADD MLOAD DUP10 PUSH1 0xA0 ADD MLOAD DUP11 PUSH1 0xE0 ADD MLOAD PUSH2 0x381B JUMP JUMPDEST PUSH1 0x20 DUP7 ADD MLOAD PUSH1 0x60 ADD MSTORE POP POP POP POP SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST DUP3 ISZERO ISZERO PUSH2 0x297E JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x55EF JUMP JUMPDEST DUP3 DUP3 GT ISZERO PUSH2 0x29B8 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x55DF JUMP JUMPDEST DUP5 PUSH1 0xA0 ADD MLOAD PUSH2 0x29CB DUP6 PUSH1 0x40 ADD MLOAD DUP5 PUSH2 0x3776 JUMP JUMPDEST GT ISZERO PUSH2 0x2A03 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x550F JUMP JUMPDEST PUSH2 0x2A11 DUP6 PUSH1 0x80 ADD MLOAD DUP4 PUSH2 0x37C0 JUMP JUMPDEST PUSH2 0x2A1F DUP3 DUP8 PUSH1 0xA0 ADD MLOAD PUSH2 0x37C0 JUMP JUMPDEST GT ISZERO PUSH2 0x2A57 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x566F JUMP JUMPDEST POP POP POP POP POP JUMP JUMPDEST PUSH2 0x2A6C DUP3 DUP3 PUSH1 0x20 ADD MLOAD PUSH2 0x3776 JUMP JUMPDEST PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP2 DUP3 SWAP1 KECCAK256 SWAP3 SWAP1 SWAP3 SSTORE DUP7 DUP2 ADD MLOAD DUP8 MLOAD DUP5 MLOAD SWAP4 DUP6 ADD MLOAD DUP6 DUP5 ADD MLOAD PUSH1 0x60 DUP8 ADD MLOAD PUSH2 0x140 DUP13 ADD MLOAD PUSH2 0x160 DUP14 ADD MLOAD SWAP7 MLOAD DUP12 SWAP9 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP8 DUP9 AND SWAP9 SWAP8 SWAP1 SWAP7 AND SWAP7 PUSH32 0xBCC4C97732E47D9946F229EDB95F5B6323F601300E4690DE719993F3C371129 SWAP7 PUSH2 0x2AFB SWAP7 DUP16 SWAP7 CALLER SWAP7 SWAP3 SWAP6 SWAP2 SWAP5 SWAP1 SWAP4 SWAP1 PUSH2 0x5345 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG4 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 PUSH1 0x24 DUP2 MSTORE PUSH1 0x20 ADD PUSH32 0xF47261B0000000000000000000000000E41D2489571D322189246DAFA5EBDE1F DUP2 MSTORE PUSH1 0x20 ADD PUSH32 0x4699F49800000000000000000000000000000000000000000000000000000000 DUP2 MSTORE POP SWAP1 POP PUSH2 0x2B8B DUP6 PUSH2 0x140 ADD MLOAD DUP7 PUSH1 0x0 ADD MLOAD DUP7 PUSH1 0x0 ADD MLOAD DUP6 PUSH1 0x20 ADD MLOAD PUSH1 0x20 ADD MLOAD PUSH2 0x3935 JUMP JUMPDEST PUSH2 0x140 DUP5 ADD MLOAD DUP5 MLOAD DUP7 MLOAD DUP5 MLOAD PUSH1 0x20 ADD MLOAD PUSH2 0x2BA7 SWAP4 SWAP3 SWAP2 SWAP1 PUSH2 0x3935 JUMP JUMPDEST PUSH2 0x2BC0 DUP6 PUSH2 0x140 ADD MLOAD DUP7 PUSH1 0x0 ADD MLOAD DUP6 DUP6 PUSH1 0x40 ADD MLOAD PUSH2 0x3935 JUMP JUMPDEST PUSH2 0x2BDC DUP2 DUP7 PUSH1 0x0 ADD MLOAD DUP8 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x0 ADD MLOAD PUSH1 0x40 ADD MLOAD PUSH2 0x3935 JUMP JUMPDEST PUSH2 0x2BF8 DUP2 DUP6 PUSH1 0x0 ADD MLOAD DUP7 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x20 ADD MLOAD PUSH1 0x40 ADD MLOAD PUSH2 0x3935 JUMP JUMPDEST DUP4 PUSH1 0x40 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP6 PUSH1 0x40 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO PUSH2 0x2C62 JUMPI PUSH2 0x2C5D DUP2 DUP5 DUP8 PUSH1 0x40 ADD MLOAD PUSH2 0x2C58 DUP7 PUSH1 0x0 ADD MLOAD PUSH1 0x60 ADD MLOAD DUP8 PUSH1 0x20 ADD MLOAD PUSH1 0x60 ADD MLOAD PUSH2 0x3776 JUMP JUMPDEST PUSH2 0x3935 JUMP JUMPDEST PUSH2 0x2A57 JUMP JUMPDEST PUSH2 0x2C7A DUP2 DUP5 DUP8 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x0 ADD MLOAD PUSH1 0x60 ADD MLOAD PUSH2 0x3935 JUMP JUMPDEST PUSH2 0x2A57 DUP2 DUP5 DUP7 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x20 ADD MLOAD PUSH1 0x60 ADD MLOAD PUSH2 0x3935 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0xB4BE83D500000000000000000000000000000000000000000000000000000000 PUSH1 0x20 DUP1 DUP4 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0x60 PUSH1 0x24 DUP4 ADD DUP2 DUP2 MSTORE DUP8 MLOAD PUSH1 0x84 DUP6 ADD SWAP1 DUP2 MSTORE DUP9 DUP5 ADD MLOAD PUSH1 0xA4 DUP7 ADD MSTORE SWAP5 DUP9 ADD MLOAD PUSH1 0xC4 DUP6 ADD MSTORE SWAP1 DUP8 ADD MLOAD PUSH1 0xE4 DUP5 ADD MSTORE PUSH1 0x80 DUP8 ADD MLOAD PUSH2 0x104 DUP5 ADD MSTORE PUSH1 0xA0 DUP8 ADD MLOAD PUSH2 0x124 DUP5 ADD MSTORE PUSH1 0xC0 DUP8 ADD MLOAD PUSH2 0x144 DUP5 ADD MSTORE PUSH1 0xE0 DUP8 ADD MLOAD PUSH2 0x164 DUP5 ADD MSTORE PUSH2 0x100 DUP8 ADD MLOAD PUSH2 0x184 DUP5 ADD MSTORE PUSH2 0x120 DUP8 ADD MLOAD PUSH2 0x1A4 DUP5 ADD MSTORE PUSH2 0x140 DUP8 ADD DUP1 MLOAD PUSH2 0x1C4 DUP6 ADD SWAP1 DUP2 MSTORE PUSH2 0x160 DUP10 ADD MLOAD PUSH2 0x1E4 DUP7 ADD MSTORE PUSH2 0x180 SWAP1 MSTORE MLOAD DUP1 MLOAD PUSH2 0x204 DUP6 ADD DUP2 SWAP1 MSTORE SWAP4 SWAP5 SWAP2 SWAP4 DUP5 SWAP4 PUSH1 0x44 DUP8 ADD SWAP3 DUP5 SWAP3 PUSH2 0x224 DUP10 ADD SWAP3 SWAP2 DUP3 ADD SWAP2 PUSH1 0x1F DUP3 ADD DIV PUSH1 0x0 JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x2D99 JUMPI DUP4 MLOAD DUP6 MSTORE PUSH1 0x20 SWAP5 DUP6 ADD SWAP5 SWAP1 SWAP4 ADD SWAP3 PUSH1 0x1 ADD PUSH2 0x2D7B JUMP JUMPDEST POP POP POP POP DUP2 DUP2 SUB PUSH2 0x160 DUP1 DUP5 ADD SWAP2 SWAP1 SWAP2 MSTORE DUP11 ADD MLOAD DUP1 MLOAD DUP1 DUP4 MSTORE PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 DUP3 ADD SWAP2 PUSH1 0x1F DUP3 ADD DIV PUSH1 0x0 JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x2DE2 JUMPI DUP4 MLOAD DUP6 MSTORE PUSH1 0x20 SWAP5 DUP6 ADD SWAP5 SWAP1 SWAP4 ADD SWAP3 PUSH1 0x1 ADD PUSH2 0x2DC4 JUMP JUMPDEST POP POP POP DUP10 DUP5 MSTORE POP DUP5 DUP2 SUB PUSH1 0x20 SWAP4 DUP5 ADD SWAP1 DUP2 MSTORE DUP9 MLOAD DUP1 DUP4 MSTORE SWAP1 SWAP4 SWAP2 DUP3 ADD SWAP2 DUP10 DUP2 ADD SWAP2 SWAP1 PUSH1 0x1F DUP3 ADD DIV PUSH1 0x0 JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x2E2A JUMPI DUP4 MLOAD DUP6 MSTORE PUSH1 0x20 SWAP5 DUP6 ADD SWAP5 SWAP1 SWAP4 ADD SWAP3 PUSH1 0x1 ADD PUSH2 0x2E0C JUMP JUMPDEST POP POP POP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 DUP9 DUP4 SUB ADD DUP9 MSTORE POP PUSH1 0x40 MSTORE POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH2 0x2E6C PUSH2 0x42F0 JUMP JUMPDEST PUSH2 0x2E75 DUP3 PUSH2 0x1F30 JUMP JUMPDEST SWAP1 POP PUSH2 0x2E81 DUP3 DUP3 PUSH2 0x3AFF JUMP JUMPDEST PUSH2 0x27BA DUP3 DUP3 PUSH1 0x20 ADD MLOAD PUSH2 0x3C16 JUMP JUMPDEST PUSH2 0x2E97 PUSH2 0x4298 JUMP JUMPDEST PUSH2 0x2EA2 DUP5 DUP5 DUP5 PUSH2 0x2494 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD MLOAD SWAP1 SWAP2 POP DUP4 EQ PUSH2 0x25BF JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x565F JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 GT ISZERO PUSH2 0x2F1E JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x551F JUMP JUMPDEST POP DUP1 DUP3 SUB JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP3 MLOAD GT ISZERO ISZERO PUSH2 0x2F67 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x560F JUMP JUMPDEST DUP2 MLOAD DUP3 SWAP1 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 ADD SWAP1 DUP2 LT PUSH2 0x2F97 JUMPI INVALID JUMPDEST ADD PUSH1 0x20 ADD MLOAD DUP3 MLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP3 MSTORE POP PUSH32 0x100000000000000000000000000000000000000000000000000000000000000 SWAP1 DUP2 SWAP1 DIV MUL SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x20 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x302F JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x553F JUMP JUMPDEST POP ADD PUSH1 0x20 ADD MLOAD SWAP1 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH1 0x0 SWAP1 PUSH1 0x60 SWAP1 PUSH32 0x1626BA7E00000000000000000000000000000000000000000000000000000000 SWAP1 PUSH2 0x3073 SWAP1 DUP8 SWAP1 DUP7 SWAP1 PUSH1 0x24 ADD PUSH2 0x5460 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 DUP2 DUP5 SUB ADD DUP2 MSTORE SWAP2 SWAP1 MSTORE PUSH1 0x20 DUP1 DUP3 ADD DUP1 MLOAD PUSH28 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 OR DUP4 MSTORE DUP2 MLOAD SWAP2 SWAP4 POP SWAP1 DUP3 SWAP1 DUP2 DUP9 GAS STATICCALL DUP1 DUP1 ISZERO PUSH2 0x3110 JUMPI PUSH1 0x1 DUP2 EQ PUSH2 0x3181 JUMPI PUSH2 0x2527 JUMP JUMPDEST PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 PUSH1 0x0 MSTORE PUSH29 0x2000000000000000000000000000000000000000000000000000000000 PUSH1 0x20 MSTORE PUSH29 0xC57414C4C45545F4552524F5200000000000000000000000000000000 PUSH1 0x40 MSTORE PUSH1 0x0 PUSH1 0x60 MSTORE PUSH1 0x64 PUSH1 0x0 REVERT JUMPDEST POP POP MLOAD SWAP6 SWAP5 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x14 DUP3 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x31CD JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x569F JUMP JUMPDEST PUSH2 0x31DB DUP3 PUSH1 0x14 DUP5 MLOAD SUB PUSH2 0x3CBD JUMP JUMPDEST DUP3 MLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEC ADD SWAP1 SWAP3 MSTORE POP SWAP1 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH1 0x0 SWAP1 PUSH1 0x60 SWAP1 PUSH32 0x9363470200000000000000000000000000000000000000000000000000000000 SWAP1 PUSH2 0x3243 SWAP1 DUP8 SWAP1 DUP8 SWAP1 DUP8 SWAP1 PUSH1 0x24 ADD PUSH2 0x5433 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 DUP2 DUP5 SUB ADD DUP2 MSTORE SWAP2 SWAP1 MSTORE PUSH1 0x20 DUP1 DUP3 ADD DUP1 MLOAD PUSH28 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 OR DUP4 MSTORE DUP2 MLOAD SWAP2 SWAP4 POP SWAP1 DUP3 SWAP1 DUP2 DUP11 GAS STATICCALL DUP1 DUP1 ISZERO PUSH2 0x32E0 JUMPI PUSH1 0x1 DUP2 EQ PUSH2 0x3351 JUMPI PUSH2 0x3356 JUMP JUMPDEST PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 PUSH1 0x0 MSTORE PUSH29 0x2000000000000000000000000000000000000000000000000000000000 PUSH1 0x20 MSTORE PUSH29 0xF56414C494441544F525F4552524F5200000000000000000000000000 PUSH1 0x40 MSTORE PUSH1 0x0 PUSH1 0x60 MSTORE PUSH1 0x64 PUSH1 0x0 REVERT JUMPDEST DUP3 MLOAD SWAP5 POP JUMPDEST POP POP POP POP SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP4 GT PUSH2 0x339D JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x555F JUMP JUMPDEST PUSH2 0x33B0 PUSH2 0x33AA DUP6 DUP5 PUSH2 0x37C0 JUMP JUMPDEST DUP5 PUSH2 0x3D1E JUMP JUMPDEST SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x5A65726F45785472616E73616374696F6E280000000000000000000000000000 PUSH1 0x20 DUP1 DUP4 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH32 0x75696E743235362073616C742C00000000000000000000000000000000000000 PUSH1 0x32 DUP4 ADD MSTORE PUSH32 0x61646472657373207369676E6572416464726573732C00000000000000000000 PUSH1 0x3F DUP4 ADD MSTORE PUSH32 0x6279746573206461746100000000000000000000000000000000000000000000 PUSH1 0x55 DUP4 ADD MSTORE PUSH32 0x2900000000000000000000000000000000000000000000000000000000000000 PUSH1 0x5F DUP4 ADD MSTORE DUP3 MLOAD DUP1 DUP4 SUB DUP5 ADD DUP2 MSTORE PUSH1 0x60 SWAP1 SWAP3 ADD SWAP3 DUP4 SWAP1 MSTORE DUP2 MLOAD PUSH1 0x0 SWAP4 DUP5 SWAP4 DUP5 SWAP4 SWAP1 SWAP3 DUP3 SWAP2 DUP5 ADD SWAP1 DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x34E1 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x34A4 JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 MLOAD SWAP2 SWAP1 SWAP4 ADD DUP2 SWAP1 SUB DUP2 KECCAK256 DUP10 MLOAD SWAP1 SWAP8 POP DUP10 SWAP6 POP SWAP1 SWAP4 POP DUP4 SWAP3 DUP6 ADD SWAP2 POP DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x3577 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x353A JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 DUP1 MLOAD SWAP3 SWAP1 SWAP5 ADD DUP3 SWAP1 SUB DUP3 KECCAK256 SWAP8 DUP3 MSTORE DUP2 ADD SWAP11 SWAP1 SWAP11 MSTORE POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP8 SWAP1 SWAP8 AND SWAP7 DUP9 ADD SWAP7 SWAP1 SWAP7 MSTORE POP POP PUSH1 0x60 DUP6 ADD MSTORE POP POP PUSH1 0x80 SWAP1 SWAP2 KECCAK256 SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x1 SLOAD PUSH1 0x40 MLOAD PUSH32 0x1901000000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x2 DUP2 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0x22 DUP2 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0x42 SWAP1 KECCAK256 SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x2F23 PUSH2 0x1AFD DUP4 PUSH2 0x3D35 JUMP JUMPDEST PUSH1 0x0 DUP2 DUP4 LT PUSH2 0x3656 JUMPI DUP2 PUSH2 0x25BF JUMP JUMPDEST POP SWAP1 SWAP2 SWAP1 POP JUMP JUMPDEST PUSH2 0x3665 PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD DUP3 SWAP1 MSTORE PUSH1 0xA0 DUP4 ADD MLOAD PUSH1 0x80 DUP5 ADD MLOAD PUSH2 0x3681 SWAP2 DUP5 SWAP2 PUSH2 0x381B JUMP JUMPDEST DUP1 DUP3 MSTORE PUSH1 0x80 DUP5 ADD MLOAD PUSH1 0xC0 DUP6 ADD MLOAD PUSH2 0x3699 SWAP3 SWAP2 SWAP1 PUSH2 0x381B JUMP JUMPDEST PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0xA0 DUP4 ADD MLOAD PUSH1 0xE0 DUP5 ADD MLOAD PUSH2 0x36B3 SWAP2 DUP5 SWAP2 PUSH2 0x381B JUMP JUMPDEST PUSH1 0x60 DUP3 ADD MSTORE SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x60 DUP2 ADD DUP3 MSTORE PUSH1 0x24 DUP2 MSTORE PUSH32 0xF47261B0000000000000000000000000E41D2489571D322189246DAFA5EBDE1F PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x4699F49800000000000000000000000000000000000000000000000000000000 SWAP2 DUP2 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH2 0x140 DUP5 ADD MLOAD DUP5 MLOAD DUP4 MLOAD PUSH2 0x3731 SWAP3 SWAP2 SWAP1 DUP7 SWAP1 PUSH2 0x3935 JUMP JUMPDEST PUSH2 0x374A DUP5 PUSH2 0x160 ADD MLOAD DUP5 DUP7 PUSH1 0x0 ADD MLOAD DUP6 PUSH1 0x20 ADD MLOAD PUSH2 0x3935 JUMP JUMPDEST PUSH2 0x3762 DUP2 DUP6 PUSH1 0x0 ADD MLOAD DUP7 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x40 ADD MLOAD PUSH2 0x3935 JUMP JUMPDEST PUSH2 0x2758 DUP2 DUP5 DUP7 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x60 ADD MLOAD PUSH2 0x3935 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 ADD DUP4 DUP2 LT ISZERO PUSH2 0x37B5 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x558F JUMP JUMPDEST DUP1 SWAP2 POP JUMPDEST POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP4 ISZERO ISZERO PUSH2 0x37D3 JUMPI PUSH1 0x0 SWAP2 POP PUSH2 0x37B9 JUMP JUMPDEST POP DUP3 DUP3 MUL DUP3 DUP5 DUP3 DUP2 ISZERO ISZERO PUSH2 0x37E3 JUMPI INVALID JUMPDEST DIV EQ PUSH2 0x37B5 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x558F JUMP JUMPDEST PUSH1 0x0 DUP1 DUP4 GT PUSH2 0x3856 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x555F JUMP JUMPDEST PUSH2 0x3861 DUP5 DUP5 DUP5 PUSH2 0x418E JUMP JUMPDEST ISZERO PUSH2 0x339D JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x55BF JUMP JUMPDEST PUSH1 0x0 DUP1 DUP4 GT PUSH2 0x38D3 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x555F JUMP JUMPDEST PUSH2 0x38DE DUP5 DUP5 DUP5 PUSH2 0x4213 JUMP JUMPDEST ISZERO PUSH2 0x3915 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x55BF JUMP JUMPDEST PUSH2 0x33B0 PUSH2 0x33AA PUSH2 0x3925 DUP7 DUP6 PUSH2 0x37C0 JUMP JUMPDEST PUSH2 0x3930 DUP7 PUSH1 0x1 PUSH2 0x2EE2 JUMP JUMPDEST PUSH2 0x3776 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP4 GT DUP1 ISZERO PUSH2 0x3974 JUMPI POP DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO JUMPDEST ISZERO PUSH2 0x3AF7 JUMPI DUP6 MLOAD PUSH1 0x3 LT PUSH2 0x39B4 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x564F JUMP JUMPDEST POP POP PUSH1 0x20 DUP5 DUP2 ADD MLOAD PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0xA SWAP1 SWAP3 MSTORE PUSH1 0x40 SWAP1 SWAP2 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP1 ISZERO ISZERO PUSH2 0x3A3D JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x55FF JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH7 0xFFFFFFFFFFFE0 PUSH1 0x3F DUP9 MLOAD ADD AND DUP1 PUSH1 0x84 ADD DUP3 ADD PUSH32 0xA85E59E400000000000000000000000000000000000000000000000000000000 DUP4 MSTORE PUSH1 0x80 PUSH1 0x4 DUP5 ADD MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP9 AND PUSH1 0x24 DUP5 ADD MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND PUSH1 0x44 DUP5 ADD MSTORE DUP6 PUSH1 0x64 DUP5 ADD MSTORE PUSH1 0x84 DUP4 ADD JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x3AD9 JUMPI DUP10 MLOAD DUP2 MSTORE PUSH1 0x20 SWAP10 DUP11 ADD SWAP10 ADD PUSH2 0x3AC1 JUMP JUMPDEST PUSH2 0x200 DUP5 DUP6 DUP5 SUB DUP7 PUSH1 0x0 DUP10 GAS CALL DUP1 ISZERO ISZERO PUSH2 0x3AF1 JUMPI RETURNDATASIZE DUP6 REVERT JUMPDEST POP POP POP POP POP JUMPDEST POP POP POP POP POP POP JUMP JUMPDEST DUP1 MLOAD PUSH1 0x0 SWAP1 PUSH1 0xFF AND PUSH1 0x3 EQ PUSH2 0x3B40 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56AF JUMP JUMPDEST PUSH1 0x60 DUP4 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND ISZERO PUSH2 0x3BB3 JUMPI PUSH1 0x60 DUP4 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x3BB3 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56BF JUMP JUMPDEST PUSH2 0x3BBB PUSH2 0x2594 JUMP JUMPDEST DUP4 MLOAD SWAP1 SWAP2 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP4 AND SWAP2 AND EQ PUSH2 0x3C11 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x557F JUMP JUMPDEST POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE DUP3 DUP2 ADD MLOAD DUP4 MLOAD PUSH2 0x140 DUP6 ADD MLOAD PUSH2 0x160 DUP7 ADD MLOAD SWAP4 MLOAD DUP6 SWAP5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP5 DUP6 AND SWAP5 SWAP4 SWAP1 SWAP4 AND SWAP3 PUSH32 0xDC47B3613D9FE400085F6DBDC99453462279057E6207385042827ED6B1A62CF7 SWAP3 PUSH2 0x3CB1 SWAP3 CALLER SWAP3 SWAP1 PUSH2 0x53C9 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG4 POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x14 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x3CFF JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x569F JUMP JUMPDEST POP ADD PUSH1 0x14 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP1 DUP3 DUP5 DUP2 ISZERO ISZERO PUSH2 0x3D2C JUMPI INVALID JUMPDEST DIV SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x4F72646572280000000000000000000000000000000000000000000000000000 PUSH1 0x20 DUP1 DUP4 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH32 0x61646472657373206D616B6572416464726573732C0000000000000000000000 PUSH1 0x26 DUP4 ADD MSTORE PUSH32 0x616464726573732074616B6572416464726573732C0000000000000000000000 PUSH1 0x3B DUP4 ADD MSTORE PUSH32 0x6164647265737320666565526563697069656E74416464726573732C00000000 PUSH1 0x50 DUP4 ADD MSTORE PUSH32 0x616464726573732073656E646572416464726573732C00000000000000000000 PUSH1 0x6C DUP4 ADD MSTORE PUSH32 0x75696E74323536206D616B65724173736574416D6F756E742C00000000000000 PUSH1 0x82 DUP4 ADD MSTORE PUSH32 0x75696E743235362074616B65724173736574416D6F756E742C00000000000000 PUSH1 0x9B DUP4 ADD MSTORE PUSH32 0x75696E74323536206D616B65724665652C000000000000000000000000000000 PUSH1 0xB4 DUP4 ADD MSTORE PUSH32 0x75696E743235362074616B65724665652C000000000000000000000000000000 PUSH1 0xC5 DUP4 ADD MSTORE PUSH32 0x75696E743235362065787069726174696F6E54696D655365636F6E64732C0000 PUSH1 0xD6 DUP4 ADD MSTORE PUSH32 0x75696E743235362073616C742C00000000000000000000000000000000000000 PUSH1 0xF4 DUP4 ADD MSTORE PUSH32 0x6279746573206D616B65724173736574446174612C0000000000000000000000 PUSH2 0x101 DUP4 ADD MSTORE PUSH32 0x62797465732074616B6572417373657444617461000000000000000000000000 PUSH2 0x116 DUP4 ADD MSTORE PUSH32 0x2900000000000000000000000000000000000000000000000000000000000000 PUSH2 0x12A DUP4 ADD MSTORE DUP3 MLOAD PUSH2 0x10B DUP2 DUP5 SUB ADD DUP2 MSTORE PUSH2 0x12B SWAP1 SWAP3 ADD SWAP3 DUP4 SWAP1 MSTORE DUP2 MLOAD PUSH1 0x0 SWAP4 DUP5 SWAP4 DUP5 SWAP4 DUP5 SWAP4 SWAP2 SWAP3 SWAP2 DUP3 SWAP2 DUP5 ADD SWAP1 DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x3FBD JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x3F80 JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 MLOAD SWAP2 SWAP1 SWAP4 ADD DUP2 SWAP1 SUB DUP2 KECCAK256 PUSH2 0x140 DUP12 ADD MLOAD DUP1 MLOAD SWAP2 SWAP10 POP SWAP6 POP SWAP1 SWAP4 POP DUP4 SWAP3 DUP6 ADD SWAP2 POP DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x4058 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x401B JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 MLOAD SWAP2 SWAP1 SWAP4 ADD DUP2 SWAP1 SUB DUP2 KECCAK256 PUSH2 0x160 DUP12 ADD MLOAD DUP1 MLOAD SWAP2 SWAP9 POP SWAP6 POP SWAP1 SWAP4 POP DUP4 SWAP3 DUP6 ADD SWAP2 POP DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x40F3 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x40B6 JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 SWAP1 SWAP4 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP2 AND SWAP3 AND SWAP2 SWAP1 SWAP2 OR SWAP1 MSTORE PUSH1 0x40 MLOAD SWAP3 ADD DUP3 SWAP1 SUB SWAP1 SWAP2 KECCAK256 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 DUP10 ADD DUP1 MLOAD PUSH2 0x140 DUP12 ADD DUP1 MLOAD PUSH2 0x160 SWAP1 SWAP13 ADD DUP1 MLOAD SWAP11 DUP5 MSTORE SWAP9 DUP2 MSTORE SWAP3 DUP9 MSTORE PUSH2 0x1A0 DUP3 KECCAK256 SWAP2 MSTORE SWAP9 SWAP1 MSTORE POP POP POP SWAP2 SWAP1 MSTORE POP SWAP1 SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 DUP5 GT PUSH2 0x41CA JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x555F JUMP JUMPDEST DUP3 ISZERO DUP1 PUSH2 0x41D5 JUMPI POP DUP5 ISZERO JUMPDEST ISZERO PUSH2 0x41E3 JUMPI PUSH1 0x0 SWAP2 POP PUSH2 0xA88 JUMP JUMPDEST DUP4 DUP1 ISZERO ISZERO PUSH2 0x41ED JUMPI INVALID JUMPDEST DUP6 DUP5 MULMOD SWAP1 POP PUSH2 0x41FC DUP6 DUP5 PUSH2 0x37C0 JUMP JUMPDEST PUSH2 0x4208 PUSH2 0x3E8 DUP4 PUSH2 0x37C0 JUMP JUMPDEST LT ISZERO SWAP6 SWAP5 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 DUP5 GT PUSH2 0x424F JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x555F JUMP JUMPDEST DUP3 ISZERO DUP1 PUSH2 0x425A JUMPI POP DUP5 ISZERO JUMPDEST ISZERO PUSH2 0x4268 JUMPI PUSH1 0x0 SWAP2 POP PUSH2 0xA88 JUMP JUMPDEST DUP4 DUP1 ISZERO ISZERO PUSH2 0x4272 JUMPI INVALID JUMPDEST DUP6 DUP5 MULMOD SWAP1 POP DUP4 PUSH2 0x4282 DUP6 DUP4 PUSH2 0x2EE2 JUMP JUMPDEST DUP2 ISZERO ISZERO PUSH2 0x428B JUMPI INVALID JUMPDEST MOD SWAP1 POP PUSH2 0x41FC DUP6 DUP5 PUSH2 0x37C0 JUMP JUMPDEST PUSH1 0x80 PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE POP SWAP1 JUMP JUMPDEST PUSH2 0x120 PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 PUSH2 0x42D6 PUSH2 0x4298 JUMP JUMPDEST DUP2 MSTORE PUSH1 0x20 ADD PUSH2 0x42E3 PUSH2 0x4298 JUMP JUMPDEST DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE POP SWAP1 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x60 DUP2 ADD DUP3 MSTORE PUSH1 0x0 DUP1 DUP3 MSTORE PUSH1 0x20 DUP3 ADD DUP2 SWAP1 MSTORE SWAP2 DUP2 ADD SWAP2 SWAP1 SWAP2 MSTORE SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x25BF DUP3 CALLDATALOAD PUSH2 0x57C2 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x432D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x4340 PUSH2 0x433B DUP3 PUSH2 0x5751 JUMP JUMPDEST PUSH2 0x572A JUMP JUMPDEST DUP2 DUP2 MSTORE PUSH1 0x20 SWAP4 DUP5 ADD SWAP4 SWAP1 SWAP3 POP DUP3 ADD DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x437E JUMPI DUP2 CALLDATALOAD DUP7 ADD PUSH2 0x4368 DUP9 DUP3 PUSH2 0x44CE JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0x4352 JUMP JUMPDEST POP POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x4399 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x43A7 PUSH2 0x433B DUP3 PUSH2 0x5751 JUMP JUMPDEST DUP2 DUP2 MSTORE PUSH1 0x20 SWAP4 DUP5 ADD SWAP4 SWAP1 SWAP3 POP DUP3 ADD DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x437E JUMPI DUP2 CALLDATALOAD DUP7 ADD PUSH2 0x43CF DUP9 DUP3 PUSH2 0x451D JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0x43B9 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x43F6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x4404 PUSH2 0x433B DUP3 PUSH2 0x5751 JUMP JUMPDEST SWAP2 POP DUP2 DUP2 DUP4 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH1 0x20 DUP2 ADD SWAP1 POP DUP4 DUP6 PUSH1 0x20 DUP5 MUL DUP3 ADD GT ISZERO PUSH2 0x4429 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x437E JUMPI DUP2 PUSH2 0x443F DUP9 DUP3 PUSH2 0x4461 JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0x442C JUMP JUMPDEST PUSH1 0x0 PUSH2 0x25BF DUP3 CALLDATALOAD PUSH2 0x57DB JUMP JUMPDEST PUSH1 0x0 PUSH2 0x25BF DUP3 CALLDATALOAD PUSH2 0x57E0 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x25BF DUP3 CALLDATALOAD PUSH2 0x57E3 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x25BF DUP3 MLOAD PUSH2 0x57E3 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x1F DUP4 ADD DUP5 SGT PUSH2 0x4497 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP DUP2 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x44AF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x20 DUP4 ADD SWAP2 POP DUP4 PUSH1 0x1 DUP3 MUL DUP4 ADD GT ISZERO PUSH2 0x44C7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x44DF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x44ED PUSH2 0x433B DUP3 PUSH2 0x5772 JUMP JUMPDEST SWAP2 POP DUP1 DUP3 MSTORE PUSH1 0x20 DUP4 ADD PUSH1 0x20 DUP4 ADD DUP6 DUP4 DUP4 ADD GT ISZERO PUSH2 0x4509 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4514 DUP4 DUP3 DUP5 PUSH2 0x5819 JUMP JUMPDEST POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x180 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x4530 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x453B PUSH2 0x180 PUSH2 0x572A JUMP JUMPDEST SWAP1 POP PUSH1 0x0 PUSH2 0x4549 DUP5 DUP5 PUSH2 0x4310 JUMP JUMPDEST DUP3 MSTORE POP PUSH1 0x20 PUSH2 0x455A DUP5 DUP5 DUP4 ADD PUSH2 0x4310 JUMP JUMPDEST PUSH1 0x20 DUP4 ADD MSTORE POP PUSH1 0x40 PUSH2 0x456E DUP5 DUP3 DUP6 ADD PUSH2 0x4310 JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MSTORE POP PUSH1 0x60 PUSH2 0x4582 DUP5 DUP3 DUP6 ADD PUSH2 0x4310 JUMP JUMPDEST PUSH1 0x60 DUP4 ADD MSTORE POP PUSH1 0x80 PUSH2 0x4596 DUP5 DUP3 DUP6 ADD PUSH2 0x4461 JUMP JUMPDEST PUSH1 0x80 DUP4 ADD MSTORE POP PUSH1 0xA0 PUSH2 0x45AA DUP5 DUP3 DUP6 ADD PUSH2 0x4461 JUMP JUMPDEST PUSH1 0xA0 DUP4 ADD MSTORE POP PUSH1 0xC0 PUSH2 0x45BE DUP5 DUP3 DUP6 ADD PUSH2 0x4461 JUMP JUMPDEST PUSH1 0xC0 DUP4 ADD MSTORE POP PUSH1 0xE0 PUSH2 0x45D2 DUP5 DUP3 DUP6 ADD PUSH2 0x4461 JUMP JUMPDEST PUSH1 0xE0 DUP4 ADD MSTORE POP PUSH2 0x100 PUSH2 0x45E7 DUP5 DUP3 DUP6 ADD PUSH2 0x4461 JUMP JUMPDEST PUSH2 0x100 DUP4 ADD MSTORE POP PUSH2 0x120 PUSH2 0x45FD DUP5 DUP3 DUP6 ADD PUSH2 0x4461 JUMP JUMPDEST PUSH2 0x120 DUP4 ADD MSTORE POP PUSH2 0x140 DUP3 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x461F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x462B DUP5 DUP3 DUP6 ADD PUSH2 0x44CE JUMP JUMPDEST PUSH2 0x140 DUP4 ADD MSTORE POP PUSH2 0x160 DUP3 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x464D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4659 DUP5 DUP3 DUP6 ADD PUSH2 0x44CE JUMP JUMPDEST PUSH2 0x160 DUP4 ADD MSTORE POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x4678 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x33B0 DUP5 DUP5 PUSH2 0x4310 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x4697 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x46A3 DUP6 DUP6 PUSH2 0x4310 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 PUSH2 0x46B4 DUP6 DUP3 DUP7 ADD PUSH2 0x4310 JUMP JUMPDEST SWAP2 POP POP SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x46D1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x46DD DUP6 DUP6 PUSH2 0x4310 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 PUSH2 0x46B4 DUP6 DUP3 DUP7 ADD PUSH2 0x4455 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x4700 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4717 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x33B0 DUP5 DUP3 DUP6 ADD PUSH2 0x4388 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x60 DUP5 DUP7 SUB SLT ISZERO PUSH2 0x4738 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP4 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x474F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x475B DUP7 DUP3 DUP8 ADD PUSH2 0x4388 JUMP JUMPDEST SWAP4 POP POP PUSH1 0x20 DUP5 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4778 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4784 DUP7 DUP3 DUP8 ADD PUSH2 0x43E5 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x40 DUP5 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x47A1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x47AD DUP7 DUP3 DUP8 ADD PUSH2 0x431C JUMP JUMPDEST SWAP2 POP POP SWAP3 POP SWAP3 POP SWAP3 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x60 DUP5 DUP7 SUB SLT ISZERO PUSH2 0x47CC JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP4 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x47E3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x47EF DUP7 DUP3 DUP8 ADD PUSH2 0x4388 JUMP JUMPDEST SWAP4 POP POP PUSH1 0x20 PUSH2 0x4784 DUP7 DUP3 DUP8 ADD PUSH2 0x4461 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x4812 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x33B0 DUP5 DUP5 PUSH2 0x4461 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x4831 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x46A3 DUP6 DUP6 PUSH2 0x4461 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x60 DUP6 DUP8 SUB SLT ISZERO PUSH2 0x4853 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x485F DUP8 DUP8 PUSH2 0x4461 JUMP JUMPDEST SWAP5 POP POP PUSH1 0x20 PUSH2 0x4870 DUP8 DUP3 DUP9 ADD PUSH2 0x4310 JUMP JUMPDEST SWAP4 POP POP PUSH1 0x40 DUP6 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x488D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4899 DUP8 DUP3 DUP9 ADD PUSH2 0x4485 JUMP JUMPDEST SWAP6 SWAP9 SWAP5 SWAP8 POP SWAP6 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x60 DUP5 DUP7 SUB SLT ISZERO PUSH2 0x48BA JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x48C6 DUP7 DUP7 PUSH2 0x4461 JUMP JUMPDEST SWAP4 POP POP PUSH1 0x20 PUSH2 0x48D7 DUP7 DUP3 DUP8 ADD PUSH2 0x4310 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x40 DUP5 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x48F4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x47AD DUP7 DUP3 DUP8 ADD PUSH2 0x44CE JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x4912 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x33B0 DUP5 DUP5 PUSH2 0x446D JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x4930 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x33B0 DUP5 DUP5 PUSH2 0x4479 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x494E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4965 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x33B0 DUP5 DUP3 DUP6 ADD PUSH2 0x451D JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x80 DUP6 DUP8 SUB SLT ISZERO PUSH2 0x4987 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP5 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x499E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x49AA DUP8 DUP3 DUP9 ADD PUSH2 0x451D JUMP JUMPDEST SWAP5 POP POP PUSH1 0x20 DUP6 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x49C7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x49D3 DUP8 DUP3 DUP9 ADD PUSH2 0x451D JUMP JUMPDEST SWAP4 POP POP PUSH1 0x40 DUP6 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x49F0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x49FC DUP8 DUP3 DUP9 ADD PUSH2 0x44CE JUMP JUMPDEST SWAP3 POP POP PUSH1 0x60 DUP6 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4A19 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4A25 DUP8 DUP3 DUP9 ADD PUSH2 0x44CE JUMP JUMPDEST SWAP2 POP POP SWAP3 SWAP6 SWAP2 SWAP5 POP SWAP3 POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x60 DUP5 DUP7 SUB SLT ISZERO PUSH2 0x4A46 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP4 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4A5D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4A69 DUP7 DUP3 DUP8 ADD PUSH2 0x451D JUMP JUMPDEST SWAP4 POP POP PUSH1 0x20 PUSH2 0x48D7 DUP7 DUP3 DUP8 ADD PUSH2 0x4461 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x80 DUP8 DUP10 SUB SLT ISZERO PUSH2 0x4A93 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x4A9F DUP10 DUP10 PUSH2 0x4461 JUMP JUMPDEST SWAP7 POP POP PUSH1 0x20 PUSH2 0x4AB0 DUP10 DUP3 DUP11 ADD PUSH2 0x4310 JUMP JUMPDEST SWAP6 POP POP PUSH1 0x40 DUP8 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4ACD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4AD9 DUP10 DUP3 DUP11 ADD PUSH2 0x4485 JUMP JUMPDEST SWAP5 POP SWAP5 POP POP PUSH1 0x60 DUP8 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4AF8 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4B04 DUP10 DUP3 DUP11 ADD PUSH2 0x4485 JUMP JUMPDEST SWAP3 POP SWAP3 POP POP SWAP3 SWAP6 POP SWAP3 SWAP6 POP SWAP3 SWAP6 JUMP JUMPDEST PUSH2 0x4B1C DUP2 PUSH2 0x57C2 JUMP JUMPDEST DUP3 MSTORE POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x4B2D DUP3 PUSH2 0x57BE JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH2 0x4B3F DUP4 PUSH2 0x57B8 JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP3 DUP2 LT ISZERO PUSH2 0x4B6F JUMPI PUSH2 0x4B55 DUP7 DUP4 MLOAD PUSH2 0x52F7 JUMP JUMPDEST PUSH2 0x4B5E DUP3 PUSH2 0x57B8 JUMP JUMPDEST PUSH1 0x60 SWAP7 SWAP1 SWAP7 ADD SWAP6 SWAP2 POP PUSH1 0x1 ADD PUSH2 0x4B42 JUMP JUMPDEST POP SWAP4 SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH2 0x4B1C DUP2 PUSH2 0x57DB JUMP JUMPDEST PUSH2 0x4B1C DUP2 PUSH2 0x57E0 JUMP JUMPDEST PUSH2 0x4B1C DUP2 PUSH2 0x57E3 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x4B9F DUP3 PUSH2 0x57BE JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH2 0x4BB3 DUP2 PUSH1 0x20 DUP7 ADD PUSH1 0x20 DUP7 ADD PUSH2 0x5825 JUMP JUMPDEST PUSH2 0x4BBC DUP2 PUSH2 0x5851 JUMP JUMPDEST SWAP1 SWAP4 ADD PUSH1 0x20 ADD SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH2 0x4B1C DUP2 PUSH2 0x580E JUMP JUMPDEST PUSH1 0x12 DUP2 MSTORE PUSH32 0x4C454E4754485F36355F52455155495245440000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xD DUP2 MSTORE PUSH32 0x494E56414C49445F54414B455200000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xE DUP2 MSTORE PUSH32 0x4F524445525F4F56455246494C4C000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x11 DUP2 MSTORE PUSH32 0x55494E543235365F554E444552464C4F57000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x1A DUP2 MSTORE PUSH32 0x41535345545F50524F58595F414C52454144595F455849535453000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x26 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F33325F4C454E4754485F5245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5155495245440000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x15 DUP2 MSTORE PUSH32 0x5349474E41545552455F554E535550504F525445440000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x10 DUP2 MSTORE PUSH32 0x4449564953494F4E5F42595F5A45524F00000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x17 DUP2 MSTORE PUSH32 0x494E56414C49445F4F524445525F5349474E4154555245000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xD DUP2 MSTORE PUSH32 0x494E56414C49445F4D414B455200000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x10 DUP2 MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xF DUP2 MSTORE PUSH32 0x494E56414C49445F54585F484153480000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x11 DUP2 MSTORE PUSH32 0x494E56414C49445F5349474E4154555245000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xE DUP2 MSTORE PUSH32 0x524F554E44494E475F4552524F52000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x10 DUP2 MSTORE PUSH32 0x4641494C45445F455845435554494F4E00000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xD DUP2 MSTORE PUSH32 0x54414B45525F4F56455250415900000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x14 DUP2 MSTORE PUSH32 0x494E56414C49445F54414B45525F414D4F554E54000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x1A DUP2 MSTORE PUSH32 0x41535345545F50524F58595F444F45535F4E4F545F4558495354000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x21 DUP2 MSTORE PUSH32 0x475245415445525F5448414E5F5A45524F5F4C454E4754485F52455155495245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x4400000000000000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x11 DUP2 MSTORE PUSH32 0x5349474E41545552455F494C4C4547414C000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x1E DUP2 MSTORE PUSH32 0x4C454E4754485F475245415445525F5448414E5F305F52455155495245440000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x17 DUP2 MSTORE PUSH32 0x494E56414C49445F4E45575F4F524445525F45504F4348000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x1E DUP2 MSTORE PUSH32 0x4C454E4754485F475245415445525F5448414E5F335F52455155495245440000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x14 DUP2 MSTORE PUSH32 0x434F4D504C4554455F46494C4C5F4641494C4544000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x12 DUP2 MSTORE PUSH32 0x494E56414C49445F46494C4C5F50524943450000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x12 DUP2 MSTORE PUSH32 0x5245454E5452414E43595F494C4C4547414C0000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x13 DUP2 MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x26 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F32305F4C454E4754485F5245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5155495245440000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x10 DUP2 MSTORE PUSH32 0x4F524445525F554E46494C4C41424C4500000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xE DUP2 MSTORE PUSH32 0x494E56414C49445F53454E444552000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x18 DUP2 MSTORE PUSH32 0x4E454741544956455F5350524541445F52455155495245440000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x14 DUP2 MSTORE PUSH32 0x494E56414C49445F54585F5349474E4154555245000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x11 DUP2 MSTORE PUSH32 0x4C454E4754485F305F5245515549524544000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST DUP1 MLOAD PUSH1 0x80 DUP4 ADD SWAP1 PUSH2 0x5285 DUP5 DUP3 PUSH2 0x4B82 JUMP JUMPDEST POP PUSH1 0x20 DUP3 ADD MLOAD PUSH2 0x5298 PUSH1 0x20 DUP6 ADD DUP3 PUSH2 0x4B82 JUMP JUMPDEST POP PUSH1 0x40 DUP3 ADD MLOAD PUSH2 0x52AB PUSH1 0x40 DUP6 ADD DUP3 PUSH2 0x4B82 JUMP JUMPDEST POP PUSH1 0x60 DUP3 ADD MLOAD PUSH2 0x2758 PUSH1 0x60 DUP6 ADD DUP3 PUSH2 0x4B82 JUMP JUMPDEST DUP1 MLOAD PUSH2 0x120 DUP4 ADD SWAP1 PUSH2 0x52D0 DUP5 DUP3 PUSH2 0x5274 JUMP JUMPDEST POP PUSH1 0x20 DUP3 ADD MLOAD PUSH2 0x52E3 PUSH1 0x80 DUP6 ADD DUP3 PUSH2 0x5274 JUMP JUMPDEST POP PUSH1 0x40 DUP3 ADD MLOAD PUSH2 0x2758 PUSH2 0x100 DUP6 ADD DUP3 PUSH2 0x4B82 JUMP JUMPDEST DUP1 MLOAD PUSH1 0x60 DUP4 ADD SWAP1 PUSH2 0x5308 DUP5 DUP3 PUSH2 0x532E JUMP JUMPDEST POP PUSH1 0x20 DUP3 ADD MLOAD PUSH2 0x531B PUSH1 0x20 DUP6 ADD DUP3 PUSH2 0x4B82 JUMP JUMPDEST POP PUSH1 0x40 DUP3 ADD MLOAD PUSH2 0x2758 PUSH1 0x40 DUP6 ADD DUP3 PUSH2 0x4B82 JUMP JUMPDEST PUSH2 0x4B1C DUP2 PUSH2 0x5808 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x2F23 DUP3 DUP5 PUSH2 0x4B13 JUMP JUMPDEST PUSH2 0x100 DUP2 ADD PUSH2 0x5354 DUP3 DUP12 PUSH2 0x4B13 JUMP JUMPDEST PUSH2 0x5361 PUSH1 0x20 DUP4 ADD DUP11 PUSH2 0x4B13 JUMP JUMPDEST PUSH2 0x536E PUSH1 0x40 DUP4 ADD DUP10 PUSH2 0x4B82 JUMP JUMPDEST PUSH2 0x537B PUSH1 0x60 DUP4 ADD DUP9 PUSH2 0x4B82 JUMP JUMPDEST PUSH2 0x5388 PUSH1 0x80 DUP4 ADD DUP8 PUSH2 0x4B82 JUMP JUMPDEST PUSH2 0x5395 PUSH1 0xA0 DUP4 ADD DUP7 PUSH2 0x4B82 JUMP JUMPDEST DUP2 DUP2 SUB PUSH1 0xC0 DUP4 ADD MSTORE PUSH2 0x53A7 DUP2 DUP6 PUSH2 0x4B94 JUMP JUMPDEST SWAP1 POP DUP2 DUP2 SUB PUSH1 0xE0 DUP4 ADD MSTORE PUSH2 0x53BB DUP2 DUP5 PUSH2 0x4B94 JUMP JUMPDEST SWAP11 SWAP10 POP POP POP POP POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x60 DUP2 ADD PUSH2 0x53D7 DUP3 DUP7 PUSH2 0x4B13 JUMP JUMPDEST DUP2 DUP2 SUB PUSH1 0x20 DUP4 ADD MSTORE PUSH2 0x53E9 DUP2 DUP6 PUSH2 0x4B94 JUMP JUMPDEST SWAP1 POP DUP2 DUP2 SUB PUSH1 0x40 DUP4 ADD MSTORE PUSH2 0x53FD DUP2 DUP5 PUSH2 0x4B94 JUMP JUMPDEST SWAP6 SWAP5 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x25BF DUP2 DUP5 PUSH2 0x4B22 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x2F23 DUP3 DUP5 PUSH2 0x4B79 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x2F23 DUP3 DUP5 PUSH2 0x4B82 JUMP JUMPDEST PUSH1 0x60 DUP2 ADD PUSH2 0x5441 DUP3 DUP7 PUSH2 0x4B82 JUMP JUMPDEST PUSH2 0x544E PUSH1 0x20 DUP4 ADD DUP6 PUSH2 0x4B13 JUMP JUMPDEST DUP2 DUP2 SUB PUSH1 0x40 DUP4 ADD MSTORE PUSH2 0x53FD DUP2 DUP5 PUSH2 0x4B94 JUMP JUMPDEST PUSH1 0x40 DUP2 ADD PUSH2 0x546E DUP3 DUP6 PUSH2 0x4B82 JUMP JUMPDEST DUP2 DUP2 SUB PUSH1 0x20 DUP4 ADD MSTORE PUSH2 0x33B0 DUP2 DUP5 PUSH2 0x4B94 JUMP JUMPDEST PUSH1 0x80 DUP2 ADD PUSH2 0x548E DUP3 DUP8 PUSH2 0x4B82 JUMP JUMPDEST PUSH2 0x549B PUSH1 0x20 DUP4 ADD DUP7 PUSH2 0x532E JUMP JUMPDEST PUSH2 0x54A8 PUSH1 0x40 DUP4 ADD DUP6 PUSH2 0x4B82 JUMP JUMPDEST PUSH2 0x53FD PUSH1 0x60 DUP4 ADD DUP5 PUSH2 0x4B82 JUMP JUMPDEST PUSH1 0x40 DUP2 ADD PUSH2 0x54C3 DUP3 DUP6 PUSH2 0x4B8B JUMP JUMPDEST PUSH2 0x25BF PUSH1 0x20 DUP4 ADD DUP5 PUSH2 0x4B13 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x25BF DUP2 DUP5 PUSH2 0x4B94 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x2F23 DUP3 DUP5 PUSH2 0x4BC9 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4BD2 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4C02 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4C32 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4C62 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4C92 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4CC2 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4D18 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4D48 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4D78 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4DA8 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4DD8 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4E08 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4E38 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4E68 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4E98 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4EC8 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4EF8 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4F28 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4F58 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4FAE JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4FDE JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x500E JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x503E JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x506E JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x509E JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x50CE JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x50FE JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x512E JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x5184 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x51B4 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x51E4 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x5214 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x5244 JUMP JUMPDEST PUSH1 0x80 DUP2 ADD PUSH2 0x2F23 DUP3 DUP5 PUSH2 0x5274 JUMP JUMPDEST PUSH2 0x120 DUP2 ADD PUSH2 0x2F23 DUP3 DUP5 PUSH2 0x52BE JUMP JUMPDEST PUSH1 0x60 DUP2 ADD PUSH2 0x2F23 DUP3 DUP5 PUSH2 0x52F7 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP2 DUP2 ADD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT DUP3 DUP3 LT OR ISZERO PUSH2 0x5749 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x40 MSTORE SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH8 0xFFFFFFFFFFFFFFFF DUP3 GT ISZERO PUSH2 0x5768 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x20 SWAP1 DUP2 MUL ADD SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH8 0xFFFFFFFFFFFFFFFF DUP3 GT ISZERO PUSH2 0x5789 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x20 PUSH1 0x1F SWAP2 SWAP1 SWAP2 ADD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 AND ADD SWAP1 JUMP JUMPDEST PUSH1 0x20 ADD SWAP1 JUMP JUMPDEST MLOAD SWAP1 JUMP JUMPDEST PUSH20 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+ "opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0x1B6 JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x288CDC91 DUP2 EQ PUSH2 0x1BB JUMPI DUP1 PUSH4 0x297BB70B EQ PUSH2 0x1F1 JUMPI DUP1 PUSH4 0x2AC12622 EQ PUSH2 0x21E JUMPI DUP1 PUSH4 0x3683EF8E EQ PUSH2 0x24B JUMPI DUP1 PUSH4 0x3C28D861 EQ PUSH2 0x26D JUMPI DUP1 PUSH4 0x3E228BAE EQ PUSH2 0x29A JUMPI DUP1 PUSH4 0x3FD3C997 EQ PUSH2 0x2BA JUMPI DUP1 PUSH4 0x4AC14782 EQ PUSH2 0x2E7 JUMPI DUP1 PUSH4 0x4D0AE546 EQ PUSH2 0x307 JUMPI DUP1 PUSH4 0x4F9559B1 EQ PUSH2 0x327 JUMPI DUP1 PUSH4 0x50DDE190 EQ PUSH2 0x347 JUMPI DUP1 PUSH4 0x60704108 EQ PUSH2 0x367 JUMPI DUP1 PUSH4 0x642F2EAF EQ PUSH2 0x394 JUMPI DUP1 PUSH4 0x64A3BC15 EQ PUSH2 0x3B4 JUMPI DUP1 PUSH4 0x77FCCE68 EQ PUSH2 0x3D4 JUMPI DUP1 PUSH4 0x7B8E3514 EQ PUSH2 0x3F4 JUMPI DUP1 PUSH4 0x7E1D9808 EQ PUSH2 0x414 JUMPI DUP1 PUSH4 0x7E9D74DC EQ PUSH2 0x434 JUMPI DUP1 PUSH4 0x82C174D0 EQ PUSH2 0x461 JUMPI DUP1 PUSH4 0x8DA5CB5B EQ PUSH2 0x481 JUMPI DUP1 PUSH4 0x93634702 EQ PUSH2 0x496 JUMPI DUP1 PUSH4 0xA3E20380 EQ PUSH2 0x4B6 JUMPI DUP1 PUSH4 0xB4BE83D5 EQ PUSH2 0x4D6 JUMPI DUP1 PUSH4 0xBFC8BFCE EQ PUSH2 0x4F6 JUMPI DUP1 PUSH4 0xC585BB93 EQ PUSH2 0x516 JUMPI DUP1 PUSH4 0xC75E0A81 EQ PUSH2 0x536 JUMPI DUP1 PUSH4 0xD46B02C3 EQ PUSH2 0x563 JUMPI DUP1 PUSH4 0xD9BFA73E EQ PUSH2 0x583 JUMPI DUP1 PUSH4 0xDB123B1A EQ PUSH2 0x5A3 JUMPI DUP1 PUSH4 0xDD1C7D18 EQ PUSH2 0x5C5 JUMPI DUP1 PUSH4 0xE306F779 EQ PUSH2 0x5E5 JUMPI DUP1 PUSH4 0xE5FA431B EQ PUSH2 0x5FA JUMPI DUP1 PUSH4 0xEEA086BA EQ PUSH2 0x61A JUMPI DUP1 PUSH4 0xF2FDE38B EQ PUSH2 0x62F JUMPI DUP1 PUSH4 0xFFA1AD74 EQ PUSH2 0x64F JUMPI JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1C7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH2 0x1D6 CALLDATASIZE PUSH1 0x4 PUSH2 0x4800 JUMP JUMPDEST PUSH2 0x664 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x5425 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1FD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x20C CALLDATASIZE PUSH1 0x4 PUSH2 0x4723 JUMP JUMPDEST PUSH2 0x676 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x56FF JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x22A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x23E PUSH2 0x239 CALLDATASIZE PUSH1 0x4 PUSH2 0x4800 JUMP JUMPDEST PUSH2 0x7A1 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x5417 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x257 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x266 CALLDATASIZE PUSH1 0x4 PUSH2 0x483D JUMP JUMPDEST PUSH2 0x7B6 JUMP JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x279 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x28D PUSH2 0x288 CALLDATASIZE PUSH1 0x4 PUSH2 0x4971 JUMP JUMPDEST PUSH2 0x8A3 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x570D JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2A6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x2B5 CALLDATASIZE PUSH1 0x4 PUSH2 0x4A31 JUMP JUMPDEST PUSH2 0xA3A JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2C6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2DA PUSH2 0x2D5 CALLDATASIZE PUSH1 0x4 PUSH2 0x4900 JUMP JUMPDEST PUSH2 0xA90 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x54E1 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2F3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x302 CALLDATASIZE PUSH1 0x4 PUSH2 0x46EE JUMP JUMPDEST PUSH2 0xAB8 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x313 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x322 CALLDATASIZE PUSH1 0x4 PUSH2 0x4723 JUMP JUMPDEST PUSH2 0xB85 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x333 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x342 CALLDATASIZE PUSH1 0x4 PUSH2 0x4800 JUMP JUMPDEST PUSH2 0xC75 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x353 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x362 CALLDATASIZE PUSH1 0x4 PUSH2 0x4723 JUMP JUMPDEST PUSH2 0xE2A JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x373 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x387 PUSH2 0x382 CALLDATASIZE PUSH1 0x4 PUSH2 0x4900 JUMP JUMPDEST PUSH2 0xEBE JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x5337 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3A0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x23E PUSH2 0x3AF CALLDATASIZE PUSH1 0x4 PUSH2 0x4800 JUMP JUMPDEST PUSH2 0xF0C JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3C0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x3CF CALLDATASIZE PUSH1 0x4 PUSH2 0x4A31 JUMP JUMPDEST PUSH2 0xF21 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3E0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x3EF CALLDATASIZE PUSH1 0x4 PUSH2 0x46BE JUMP JUMPDEST PUSH2 0xFCC JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x400 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x23E PUSH2 0x40F CALLDATASIZE PUSH1 0x4 PUSH2 0x4684 JUMP JUMPDEST PUSH2 0x1106 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x420 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x42F CALLDATASIZE PUSH1 0x4 PUSH2 0x47B7 JUMP JUMPDEST PUSH2 0x1126 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x440 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x454 PUSH2 0x44F CALLDATASIZE PUSH1 0x4 PUSH2 0x46EE JUMP JUMPDEST PUSH2 0x128A JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x5406 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x46D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x23E PUSH2 0x47C CALLDATASIZE PUSH1 0x4 PUSH2 0x481E JUMP JUMPDEST PUSH2 0x131F JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x48D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x387 PUSH2 0x133F JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x4A2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x23E PUSH2 0x4B1 CALLDATASIZE PUSH1 0x4 PUSH2 0x48A5 JUMP JUMPDEST PUSH2 0x135B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x4C2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x4D1 CALLDATASIZE PUSH1 0x4 PUSH2 0x47B7 JUMP JUMPDEST PUSH2 0x18DE JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x4E2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x4F1 CALLDATASIZE PUSH1 0x4 PUSH2 0x4A31 JUMP JUMPDEST PUSH2 0x19F1 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x502 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x511 CALLDATASIZE PUSH1 0x4 PUSH2 0x4A7A JUMP JUMPDEST PUSH2 0x1A6C JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x522 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x531 CALLDATASIZE PUSH1 0x4 PUSH2 0x4666 JUMP JUMPDEST PUSH2 0x1D05 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x542 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x556 PUSH2 0x551 CALLDATASIZE PUSH1 0x4 PUSH2 0x493C JUMP JUMPDEST PUSH2 0x1F30 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x571C JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x56F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x57E CALLDATASIZE PUSH1 0x4 PUSH2 0x493C JUMP JUMPDEST PUSH2 0x202A JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x58F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH2 0x59E CALLDATASIZE PUSH1 0x4 PUSH2 0x4684 JUMP JUMPDEST PUSH2 0x20C6 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x5AF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x5B8 PUSH2 0x20E3 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x1E8 SWAP2 SWAP1 PUSH2 0x54D0 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x5D1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x5E0 CALLDATASIZE PUSH1 0x4 PUSH2 0x47B7 JUMP JUMPDEST PUSH2 0x2143 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x5F1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1DB PUSH2 0x2218 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x606 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x211 PUSH2 0x615 CALLDATASIZE PUSH1 0x4 PUSH2 0x47B7 JUMP JUMPDEST PUSH2 0x221E JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x626 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x387 PUSH2 0x2390 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x63B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x26B PUSH2 0x64A CALLDATASIZE PUSH1 0x4 PUSH2 0x4666 JUMP JUMPDEST PUSH2 0x23AC JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x65B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x5B8 PUSH2 0x245D JUMP JUMPDEST PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP2 JUMP JUMPDEST PUSH2 0x67E PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0x689 PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x6CF JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567F JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR DUP2 SSTORE DUP8 MLOAD SWAP4 POP SWAP2 POP JUMPDEST DUP2 DUP4 EQ PUSH2 0x76F JUMPI PUSH2 0x758 DUP8 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x719 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP8 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x731 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP8 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x749 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x2494 JUMP JUMPDEST SWAP1 POP PUSH2 0x764 DUP5 DUP3 PUSH2 0x2532 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH2 0x701 JUMP JUMPDEST POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x4 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND CALLER EQ PUSH2 0x846 JUMPI PUSH2 0x80E DUP5 DUP5 DUP5 DUP5 DUP1 DUP1 PUSH1 0x1F ADD PUSH1 0x20 DUP1 SWAP2 DIV MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP4 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP4 DUP4 DUP1 DUP3 DUP5 CALLDATACOPY POP PUSH2 0x135B SWAP5 POP POP POP POP POP JUMP JUMPDEST ISZERO ISZERO PUSH2 0x846 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x55AF JUMP JUMPDEST POP POP PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x6 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP4 AND DUP5 MSTORE SWAP2 SWAP1 MSTORE SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE JUMP JUMPDEST PUSH2 0x8AB PUSH2 0x42C1 JUMP JUMPDEST PUSH2 0x8B3 PUSH2 0x42F0 JUMP JUMPDEST PUSH2 0x8BB PUSH2 0x42F0 JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x8F9 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567F JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE PUSH2 0x160 DUP1 DUP10 ADD MLOAD PUSH2 0x140 DUP1 DUP11 ADD SWAP2 SWAP1 SWAP2 MSTORE DUP10 ADD MLOAD SWAP1 DUP9 ADD MSTORE PUSH2 0x945 DUP9 PUSH2 0x1F30 JUMP JUMPDEST SWAP3 POP PUSH2 0x950 DUP8 PUSH2 0x1F30 JUMP JUMPDEST SWAP2 POP PUSH2 0x95A PUSH2 0x2594 JUMP JUMPDEST SWAP1 POP PUSH2 0x968 DUP9 DUP5 DUP4 DUP10 PUSH2 0x25C6 JUMP JUMPDEST PUSH2 0x974 DUP8 DUP4 DUP4 DUP9 PUSH2 0x25C6 JUMP JUMPDEST PUSH2 0x97E DUP9 DUP9 PUSH2 0x275E JUMP JUMPDEST PUSH2 0x992 DUP9 DUP9 DUP6 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x40 ADD MLOAD PUSH2 0x27BE JUMP JUMPDEST DUP1 MLOAD PUSH1 0x20 DUP2 ADD MLOAD SWAP1 MLOAD SWAP2 SWAP6 POP PUSH2 0x9AD SWAP2 DUP11 SWAP2 DUP7 SWAP2 DUP2 SWAP1 PUSH2 0x2945 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP6 ADD MLOAD SWAP1 DUP2 ADD MLOAD SWAP1 MLOAD PUSH2 0x9C9 SWAP2 DUP10 SWAP2 DUP6 SWAP2 SWAP1 DUP2 SWAP1 PUSH2 0x2945 JUMP JUMPDEST PUSH2 0x9E2 DUP9 DUP3 DUP6 PUSH1 0x20 ADD MLOAD DUP7 PUSH1 0x40 ADD MLOAD DUP9 PUSH1 0x0 ADD MLOAD PUSH2 0x2A5E JUMP JUMPDEST PUSH2 0x9FB DUP8 DUP3 DUP5 PUSH1 0x20 ADD MLOAD DUP6 PUSH1 0x40 ADD MLOAD DUP9 PUSH1 0x20 ADD MLOAD PUSH2 0x2A5E JUMP JUMPDEST PUSH2 0xA07 DUP9 DUP9 DUP4 DUP8 PUSH2 0x2B0A JUMP JUMPDEST POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH2 0xA42 PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x60 PUSH2 0xA4F DUP6 DUP6 DUP6 PUSH2 0x2C92 JUMP JUMPDEST SWAP1 POP PUSH1 0x80 DUP2 DUP3 MLOAD PUSH1 0x20 DUP5 ADD ADDRESS GAS DELEGATECALL DUP1 ISZERO PUSH2 0xA86 JUMPI DUP2 MLOAD DUP4 MSTORE PUSH1 0x20 DUP3 ADD MLOAD PUSH1 0x20 DUP5 ADD MSTORE PUSH1 0x40 DUP3 ADD MLOAD PUSH1 0x40 DUP5 ADD MSTORE PUSH1 0x60 DUP3 ADD MLOAD PUSH1 0x60 DUP5 ADD MSTORE JUMPDEST POP JUMPDEST POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0xA PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD DUP2 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0xAF8 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567F JUMP JUMPDEST POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR DUP2 SSTORE DUP2 MLOAD SWAP1 JUMPDEST DUP1 DUP3 EQ PUSH2 0xB58 JUMPI PUSH2 0xB50 DUP4 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xB41 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x2E64 JUMP JUMPDEST PUSH1 0x1 ADD PUSH2 0xB29 JUMP JUMPDEST POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP JUMP JUMPDEST PUSH2 0xB8D PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0xB98 PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0xBD5 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567F JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR DUP2 SSTORE DUP8 MLOAD SWAP4 POP SWAP2 POP JUMPDEST DUP2 DUP4 EQ PUSH2 0x76F JUMPI PUSH2 0xC5E DUP8 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xC1F JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP8 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xC37 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP8 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xC4F JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x2E8F JUMP JUMPDEST SWAP1 POP PUSH2 0xC6A DUP5 DUP3 PUSH2 0x2532 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH2 0xC07 JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD DUP2 SWAP1 DUP2 SWAP1 DUP2 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0xCB9 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567F JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE PUSH2 0xCEC PUSH2 0x2594 JUMP JUMPDEST SWAP4 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND CALLER EQ PUSH2 0xD11 JUMPI CALLER PUSH2 0xD14 JUMP JUMPDEST PUSH1 0x0 JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP7 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x5 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP4 DUP6 AND DUP4 MSTORE SWAP3 SWAP1 MSTORE KECCAK256 SLOAD SWAP1 SWAP4 POP PUSH1 0x1 DUP7 ADD SWAP3 POP SWAP1 POP DUP1 DUP3 GT PUSH2 0xD8B JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x563F JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP6 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x5 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP5 DUP9 AND DUP1 DUP5 MSTORE SWAP5 SWAP1 SWAP2 MSTORE SWAP1 DUP2 SWAP1 KECCAK256 DUP6 SWAP1 SSTORE MLOAD PUSH32 0x82AF639571738F4EBD4268FB0363D8957EBE1BBB9E78DBA5EBD69EED39B154F0 SWAP1 PUSH2 0xDF3 SWAP1 DUP7 SWAP1 PUSH2 0x5425 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP POP POP JUMP JUMPDEST PUSH2 0xE32 PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0xE3D PUSH2 0x4298 JUMP JUMPDEST DUP7 MLOAD SWAP3 POP PUSH1 0x0 SWAP2 POP JUMPDEST DUP2 DUP4 EQ PUSH2 0xEB4 JUMPI PUSH2 0xE9D DUP8 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xE5E JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP8 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xE76 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP8 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xE8E JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0xA3A JUMP JUMPDEST SWAP1 POP PUSH2 0xEA9 DUP5 DUP3 PUSH2 0x2532 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH2 0xE46 JUMP JUMPDEST POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0xA PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND JUMPDEST SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x8 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH2 0xF29 PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0xF66 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567F JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE PUSH2 0xF9C DUP5 DUP5 DUP5 PUSH2 0x2E8F JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x100A JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567F JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE PUSH2 0x103D PUSH2 0x2594 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 DUP2 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x7 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP5 DUP10 AND DUP1 DUP5 MSTORE SWAP5 SWAP1 SWAP2 MSTORE SWAP1 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND DUP8 ISZERO ISZERO OR SWAP1 SSTORE MLOAD SWAP3 SWAP4 POP SWAP1 SWAP2 PUSH32 0xA8656E308026EEABCE8F0BC18048433252318AB80AC79DA0B3D3D8697DFBA891 SWAP1 PUSH2 0x10D1 SWAP1 DUP7 SWAP1 PUSH2 0x5417 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP JUMP JUMPDEST PUSH1 0x7 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x0 SWAP3 DUP4 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 SWAP1 SWAP2 MSTORE SWAP1 DUP3 MSTORE SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH2 0x112E PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x0 DUP1 PUSH1 0x0 PUSH2 0x113D PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x117A JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567F JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR DUP2 SSTORE DUP10 MLOAD DUP11 SWAP2 SWAP1 DUP2 LT PUSH2 0x11B2 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x160 ADD MLOAD SWAP5 POP DUP9 MLOAD SWAP4 POP PUSH1 0x0 SWAP3 POP JUMPDEST DUP3 DUP5 EQ PUSH2 0x1255 JUMPI DUP5 DUP10 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x11E2 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x160 ADD DUP2 SWAP1 MSTORE POP PUSH2 0x1202 DUP9 DUP8 PUSH1 0x20 ADD MLOAD PUSH2 0x2EE2 JUMP JUMPDEST SWAP2 POP PUSH2 0x122E DUP10 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1215 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP4 DUP10 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x749 JUMPI INVALID JUMPDEST SWAP1 POP PUSH2 0x123A DUP7 DUP3 PUSH2 0x2532 JUMP JUMPDEST PUSH1 0x20 DUP7 ADD MLOAD DUP9 GT PUSH2 0x124A JUMPI PUSH2 0x1255 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP3 ADD SWAP2 PUSH2 0x11CC JUMP JUMPDEST POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP SWAP2 SWAP6 SWAP5 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x60 PUSH1 0x0 PUSH1 0x60 PUSH1 0x0 DUP5 MLOAD SWAP3 POP DUP3 PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x12D0 JUMPI DUP2 PUSH1 0x20 ADD JUMPDEST PUSH2 0x12BD PUSH2 0x42F0 JUMP JUMPDEST DUP2 MSTORE PUSH1 0x20 ADD SWAP1 PUSH1 0x1 SWAP1 SUB SWAP1 DUP2 PUSH2 0x12B5 JUMPI SWAP1 POP JUMPDEST POP SWAP2 POP PUSH1 0x0 SWAP1 POP JUMPDEST DUP1 DUP4 EQ PUSH2 0xA88 JUMPI PUSH2 0x12FF DUP6 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x12F0 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x1F30 JUMP JUMPDEST DUP3 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x130D JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MSTORE PUSH1 0x1 ADD PUSH2 0x12D8 JUMP JUMPDEST PUSH1 0x6 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x0 SWAP3 DUP4 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 SWAP1 SWAP2 MSTORE SWAP1 DUP3 MSTORE SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x2 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP10 MLOAD GT ISZERO ISZERO PUSH2 0x13A4 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x562F JUMP JUMPDEST PUSH2 0x13AD DUP10 PUSH2 0x2F29 JUMP JUMPDEST PUSH32 0x100000000000000000000000000000000000000000000000000000000000000 SWAP1 DIV SWAP7 POP PUSH1 0x7 PUSH1 0xFF DUP9 AND LT PUSH2 0x140F JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x554F JUMP JUMPDEST DUP7 PUSH1 0xFF AND PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x141E JUMPI INVALID JUMPDEST SWAP6 POP PUSH1 0x0 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x142E JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x1466 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x561F JUMP JUMPDEST PUSH1 0x1 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x1474 JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x14BC JUMPI DUP9 MLOAD ISZERO PUSH2 0x14B3 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56EF JUMP JUMPDEST PUSH1 0x0 SWAP8 POP PUSH2 0x18D0 JUMP JUMPDEST PUSH1 0x2 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x14CA JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x1605 JUMPI DUP9 MLOAD PUSH1 0x41 EQ PUSH2 0x150B JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x54EF JUMP JUMPDEST DUP9 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x151A JUMPI INVALID JUMPDEST ADD PUSH1 0x20 ADD MLOAD PUSH32 0x100000000000000000000000000000000000000000000000000000000000000 SWAP1 DUP2 SWAP1 DIV DUP2 MUL DIV SWAP5 POP PUSH2 0x155A DUP10 PUSH1 0x1 PUSH4 0xFFFFFFFF PUSH2 0x2FED AND JUMP JUMPDEST SWAP4 POP PUSH2 0x156D DUP10 PUSH1 0x21 PUSH4 0xFFFFFFFF PUSH2 0x2FED AND JUMP JUMPDEST SWAP3 POP PUSH1 0x1 DUP12 DUP7 DUP7 DUP7 PUSH1 0x40 MLOAD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x40 MSTORE PUSH1 0x40 MLOAD PUSH2 0x1592 SWAP5 SWAP4 SWAP3 SWAP2 SWAP1 PUSH2 0x5480 JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD PUSH1 0x20 DUP2 SUB SWAP1 DUP1 DUP5 SUB SWAP1 PUSH1 0x0 DUP7 GAS CALL ISZERO DUP1 ISZERO PUSH2 0x15B6 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP PUSH1 0x40 MLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP13 DUP2 AND SWAP1 DUP3 AND EQ SWAP10 POP SWAP3 POP PUSH2 0x18D0 SWAP1 POP JUMP JUMPDEST PUSH1 0x3 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x1613 JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x17B9 JUMPI DUP9 MLOAD PUSH1 0x41 EQ PUSH2 0x1654 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x54EF JUMP JUMPDEST DUP9 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1663 JUMPI INVALID JUMPDEST ADD PUSH1 0x20 ADD MLOAD PUSH32 0x100000000000000000000000000000000000000000000000000000000000000 SWAP1 DUP2 SWAP1 DIV DUP2 MUL DIV SWAP5 POP PUSH2 0x16A3 DUP10 PUSH1 0x1 PUSH4 0xFFFFFFFF PUSH2 0x2FED AND JUMP JUMPDEST SWAP4 POP PUSH2 0x16B6 DUP10 PUSH1 0x21 PUSH4 0xFFFFFFFF PUSH2 0x2FED AND JUMP JUMPDEST SWAP3 POP PUSH1 0x1 DUP12 PUSH1 0x40 MLOAD PUSH1 0x20 ADD DUP1 DUP1 PUSH32 0x19457468657265756D205369676E6564204D6573736167653A0A333200000000 DUP2 MSTORE POP PUSH1 0x1C ADD DUP3 PUSH1 0x0 NOT AND PUSH1 0x0 NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD PUSH1 0x20 DUP2 DUP4 SUB SUB DUP2 MSTORE SWAP1 PUSH1 0x40 MSTORE PUSH1 0x40 MLOAD DUP1 DUP3 DUP1 MLOAD SWAP1 PUSH1 0x20 ADD SWAP1 DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x1757 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x171A JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 DUP1 MLOAD SWAP3 SWAP1 SWAP5 ADD DUP3 SWAP1 SUB DUP3 KECCAK256 PUSH1 0x0 DUP4 MSTORE SWAP2 ADD SWAP3 DUP4 SWAP1 MSTORE PUSH2 0x1592 SWAP5 POP SWAP3 POP DUP10 SWAP2 DUP10 SWAP2 POP DUP9 SWAP1 PUSH2 0x5480 JUMP JUMPDEST PUSH1 0x4 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x17C7 JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x17DF JUMPI PUSH2 0x17D8 DUP12 DUP12 DUP12 PUSH2 0x3038 JUMP JUMPDEST SWAP8 POP PUSH2 0x18D0 JUMP JUMPDEST PUSH1 0x5 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x17ED JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x1850 JUMPI PUSH2 0x17FC DUP10 PUSH2 0x318D JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP13 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x7 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP4 DUP6 AND DUP4 MSTORE SWAP3 SWAP1 MSTORE KECCAK256 SLOAD SWAP1 SWAP2 POP PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x1844 JUMPI PUSH1 0x0 SWAP8 POP PUSH2 0x18D0 JUMP JUMPDEST PUSH2 0x17D8 DUP2 DUP13 DUP13 DUP13 PUSH2 0x3206 JUMP JUMPDEST PUSH1 0x6 DUP7 PUSH1 0x7 DUP2 GT ISZERO PUSH2 0x185E JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x189E JUMPI PUSH1 0x0 DUP12 DUP2 MSTORE PUSH1 0x6 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP15 AND DUP5 MSTORE SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND SWAP8 POP PUSH2 0x18D0 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x554F JUMP JUMPDEST POP POP POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH2 0x18E6 PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH2 0x18F6 PUSH2 0x4298 JUMP JUMPDEST DUP10 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1905 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x140 ADD MLOAD SWAP6 POP DUP10 MLOAD SWAP5 POP PUSH1 0x0 SWAP4 POP JUMPDEST DUP4 DUP6 EQ PUSH2 0x19E4 JUMPI DUP6 DUP11 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1935 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x140 ADD MSTORE DUP7 MLOAD PUSH2 0x1951 SWAP1 DUP11 SWAP1 PUSH2 0x2EE2 JUMP JUMPDEST SWAP3 POP PUSH2 0x1994 DUP11 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1964 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0xA0 ADD MLOAD DUP12 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1980 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0x80 ADD MLOAD DUP6 PUSH2 0x3362 JUMP JUMPDEST SWAP2 POP PUSH2 0x19C0 DUP11 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x19A7 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP4 DUP11 DUP8 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xE8E JUMPI INVALID JUMPDEST SWAP1 POP PUSH2 0x19CC DUP8 DUP3 PUSH2 0x2532 JUMP JUMPDEST DUP7 MLOAD DUP10 GT PUSH2 0x19D9 JUMPI PUSH2 0x19E4 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP4 ADD SWAP3 PUSH2 0x191F JUMP JUMPDEST POP POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH2 0x19F9 PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x1A36 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567F JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE PUSH2 0xF9C DUP5 DUP5 DUP5 PUSH2 0x2494 JUMP JUMPDEST PUSH1 0x9 SLOAD PUSH1 0x0 SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND ISZERO PUSH2 0x1ABF JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567F JUMP JUMPDEST PUSH2 0x1B02 PUSH2 0x1AFD DUP9 DUP9 DUP9 DUP9 DUP1 DUP1 PUSH1 0x1F ADD PUSH1 0x20 DUP1 SWAP2 DIV MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP4 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP4 DUP4 DUP1 DUP3 DUP5 CALLDATACOPY POP PUSH2 0x33B8 SWAP5 POP POP POP POP POP JUMP JUMPDEST PUSH2 0x35F9 JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x8 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD SWAP1 SWAP2 POP PUSH1 0xFF AND ISZERO PUSH2 0x1B4E JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x559F JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 AND CALLER EQ PUSH2 0x1C1F JUMPI PUSH2 0x1BA6 DUP2 DUP8 DUP6 DUP6 DUP1 DUP1 PUSH1 0x1F ADD PUSH1 0x20 DUP1 SWAP2 DIV MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP4 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP4 DUP4 DUP1 DUP3 DUP5 CALLDATACOPY POP PUSH2 0x135B SWAP5 POP POP POP POP POP JUMP JUMPDEST ISZERO ISZERO PUSH2 0x1BDE JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56DF JUMP JUMPDEST PUSH1 0x9 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP9 AND OR SWAP1 SSTORE JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x8 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE MLOAD ADDRESS SWAP1 DUP7 SWAP1 DUP7 SWAP1 DUP1 DUP4 DUP4 DUP1 DUP3 DUP5 CALLDATACOPY DUP3 ADD SWAP2 POP POP SWAP3 POP POP POP PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 DUP6 GAS DELEGATECALL SWAP2 POP POP ISZERO ISZERO PUSH2 0x1CB6 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x55CF JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 AND CALLER EQ PUSH2 0x1CFC JUMPI PUSH1 0x9 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND SWAP1 SSTORE JUMPDEST POP POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x2 SLOAD PUSH1 0x0 SWAP1 DUP2 SWAP1 DUP2 SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x1D5D JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x568F JUMP JUMPDEST DUP4 SWAP3 POP DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH4 0xAE25532E PUSH1 0x40 MLOAD DUP2 PUSH4 0xFFFFFFFF AND PUSH29 0x100000000000000000000000000000000000000000000000000000000 MUL DUP2 MSTORE PUSH1 0x4 ADD PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x1DC4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x1DD8 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x1DFC SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x491E JUMP JUMPDEST PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0xA PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD SWAP1 SWAP3 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 POP DUP1 ISZERO PUSH2 0x1E81 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x552F JUMP JUMPDEST PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0xA PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 AND OR SWAP1 SSTORE MLOAD PUSH32 0xD2C6B762299C609BDB96520B58A49BFB80186934D4F71A86A367571A15C03194 SWAP1 PUSH2 0x1F22 SWAP1 DUP5 SWAP1 DUP8 SWAP1 PUSH2 0x54B5 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG1 POP POP POP POP JUMP JUMPDEST PUSH2 0x1F38 PUSH2 0x42F0 JUMP JUMPDEST PUSH2 0x1F41 DUP3 PUSH2 0x3639 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP4 ADD DUP3 SWAP1 MSTORE PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x3 SWAP1 MSTORE PUSH1 0x40 SWAP1 DUP2 SWAP1 KECCAK256 SLOAD SWAP1 DUP3 ADD MSTORE PUSH1 0x80 DUP3 ADD MLOAD ISZERO ISZERO PUSH2 0x1F75 JUMPI PUSH1 0x1 JUMPDEST PUSH1 0xFF AND DUP2 MSTORE PUSH2 0xF07 JUMP JUMPDEST PUSH1 0xA0 DUP3 ADD MLOAD ISZERO ISZERO PUSH2 0x1F87 JUMPI PUSH1 0x2 PUSH2 0x1F6B JUMP JUMPDEST PUSH1 0xA0 DUP3 ADD MLOAD PUSH1 0x40 DUP3 ADD MLOAD LT PUSH2 0x1F9D JUMPI PUSH1 0x5 PUSH2 0x1F6B JUMP JUMPDEST PUSH2 0x100 DUP3 ADD MLOAD TIMESTAMP LT PUSH2 0x1FB0 JUMPI PUSH1 0x4 PUSH2 0x1F6B JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 ADD MLOAD PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x4 SWAP1 SWAP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x1FD4 JUMPI PUSH1 0x6 PUSH2 0x1F6B JUMP JUMPDEST PUSH2 0x120 DUP3 ADD MLOAD DUP3 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x5 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH1 0x60 DUP9 ADD MLOAD SWAP1 SWAP5 AND DUP4 MSTORE SWAP3 SWAP1 MSTORE KECCAK256 SLOAD GT ISZERO PUSH2 0x2021 JUMPI PUSH1 0x6 PUSH2 0x1F6B JUMP JUMPDEST PUSH1 0x3 DUP2 MSTORE SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x2067 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567F JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE PUSH2 0x209B DUP2 PUSH2 0x2E64 JUMP JUMPDEST POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE JUMP JUMPDEST PUSH1 0x5 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x0 SWAP3 DUP4 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 SWAP1 SWAP2 MSTORE SWAP1 DUP3 MSTORE SWAP1 KECCAK256 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 PUSH1 0x24 DUP2 MSTORE PUSH1 0x20 ADD PUSH32 0xF47261B0000000000000000000000000E41D2489571D322189246DAFA5EBDE1F DUP2 MSTORE PUSH1 0x20 ADD PUSH32 0x4699F49800000000000000000000000000000000000000000000000000000000 DUP2 MSTORE POP DUP2 JUMP JUMPDEST PUSH2 0x214B PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x0 DUP1 PUSH1 0x0 PUSH2 0x215A PUSH2 0x4298 JUMP JUMPDEST DUP9 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x2169 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x160 ADD MLOAD SWAP5 POP DUP9 MLOAD SWAP4 POP PUSH1 0x0 SWAP3 POP JUMPDEST DUP3 DUP5 EQ PUSH2 0x220C JUMPI DUP5 DUP10 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x2199 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x160 ADD DUP2 SWAP1 MSTORE POP PUSH2 0x21B9 DUP9 DUP8 PUSH1 0x20 ADD MLOAD PUSH2 0x2EE2 JUMP JUMPDEST SWAP2 POP PUSH2 0x21E5 DUP10 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x21CC JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP4 DUP10 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xE8E JUMPI INVALID JUMPDEST SWAP1 POP PUSH2 0x21F1 DUP7 DUP3 PUSH2 0x2532 JUMP JUMPDEST PUSH1 0x20 DUP7 ADD MLOAD DUP9 GT PUSH2 0x2201 JUMPI PUSH2 0x220C JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP3 ADD SWAP2 PUSH2 0x2183 JUMP JUMPDEST POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x1 SLOAD DUP2 JUMP JUMPDEST PUSH2 0x2226 PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH2 0x2236 PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x2273 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x567F JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR DUP2 SSTORE DUP11 MLOAD DUP12 SWAP2 SWAP1 DUP2 LT PUSH2 0x22AB JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x140 ADD MLOAD SWAP6 POP DUP10 MLOAD SWAP5 POP PUSH1 0x0 SWAP4 POP JUMPDEST DUP4 DUP6 EQ PUSH2 0x235A JUMPI DUP6 DUP11 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x22DB JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x140 ADD MSTORE DUP7 MLOAD PUSH2 0x22F7 SWAP1 DUP11 SWAP1 PUSH2 0x2EE2 JUMP JUMPDEST SWAP3 POP PUSH2 0x230A DUP11 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1964 JUMPI INVALID JUMPDEST SWAP2 POP PUSH2 0x2336 DUP11 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x231D JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP4 DUP11 DUP8 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x749 JUMPI INVALID JUMPDEST SWAP1 POP PUSH2 0x2342 DUP8 DUP3 PUSH2 0x2532 JUMP JUMPDEST DUP7 MLOAD DUP10 GT PUSH2 0x234F JUMPI PUSH2 0x235A JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP4 ADD SWAP3 PUSH2 0x22C5 JUMP JUMPDEST POP POP PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE POP SWAP3 SWAP7 SWAP6 POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x9 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x2 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x23FD JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x568F JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0x245A JUMPI PUSH1 0x2 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND OR SWAP1 SSTORE JUMPDEST POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD DUP1 DUP3 ADD SWAP1 SWAP2 MSTORE PUSH1 0x5 DUP2 MSTORE PUSH32 0x322E302E30000000000000000000000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE DUP2 JUMP JUMPDEST PUSH2 0x249C PUSH2 0x4298 JUMP JUMPDEST PUSH2 0x24A4 PUSH2 0x42F0 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH2 0x24B2 DUP9 PUSH2 0x1F30 JUMP JUMPDEST SWAP4 POP PUSH2 0x24BC PUSH2 0x2594 JUMP JUMPDEST SWAP3 POP PUSH2 0x24CA DUP9 DUP6 DUP6 DUP10 PUSH2 0x25C6 JUMP JUMPDEST PUSH2 0x24DC DUP9 PUSH1 0xA0 ADD MLOAD DUP6 PUSH1 0x40 ADD MLOAD PUSH2 0x2EE2 JUMP JUMPDEST SWAP2 POP PUSH2 0x24E8 DUP8 DUP4 PUSH2 0x3647 JUMP JUMPDEST SWAP1 POP PUSH2 0x24FB DUP9 DUP6 DUP10 DUP5 DUP10 PUSH1 0x0 ADD MLOAD PUSH2 0x2945 JUMP JUMPDEST PUSH2 0x2505 DUP9 DUP3 PUSH2 0x365D JUMP JUMPDEST SWAP5 POP PUSH2 0x251C DUP9 DUP5 DUP7 PUSH1 0x20 ADD MLOAD DUP8 PUSH1 0x40 ADD MLOAD DUP10 PUSH2 0x2A5E JUMP JUMPDEST PUSH2 0x2527 DUP9 DUP5 DUP8 PUSH2 0x36BE JUMP JUMPDEST POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST DUP2 MLOAD DUP2 MLOAD PUSH2 0x2540 SWAP2 SWAP1 PUSH2 0x3776 JUMP JUMPDEST DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 ADD MLOAD SWAP1 DUP3 ADD MLOAD PUSH2 0x2556 SWAP2 SWAP1 PUSH2 0x3776 JUMP JUMPDEST PUSH1 0x20 DUP4 ADD MSTORE PUSH1 0x40 DUP1 DUP4 ADD MLOAD SWAP1 DUP3 ADD MLOAD PUSH2 0x256F SWAP2 SWAP1 PUSH2 0x3776 JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MSTORE PUSH1 0x60 DUP1 DUP4 ADD MLOAD SWAP1 DUP3 ADD MLOAD PUSH2 0x2588 SWAP2 SWAP1 PUSH2 0x3776 JUMP JUMPDEST PUSH1 0x60 SWAP1 SWAP3 ADD SWAP2 SWAP1 SWAP2 MSTORE POP JUMP JUMPDEST PUSH1 0x9 SLOAD PUSH1 0x0 SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 DUP2 ISZERO PUSH2 0x25BD JUMPI DUP2 PUSH2 0x25BF JUMP JUMPDEST CALLER JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST DUP3 MLOAD PUSH1 0xFF AND PUSH1 0x3 EQ PUSH2 0x2604 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56AF JUMP JUMPDEST PUSH1 0x60 DUP5 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND ISZERO PUSH2 0x2677 JUMPI PUSH1 0x60 DUP5 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x2677 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56BF JUMP JUMPDEST PUSH1 0x20 DUP5 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND ISZERO PUSH2 0x2702 JUMPI DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP5 PUSH1 0x20 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO ISZERO PUSH2 0x2702 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x54FF JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MLOAD ISZERO ISZERO PUSH2 0x2758 JUMPI PUSH2 0x2720 DUP4 PUSH1 0x20 ADD MLOAD DUP6 PUSH1 0x0 ADD MLOAD DUP4 PUSH2 0x135B JUMP JUMPDEST ISZERO ISZERO PUSH2 0x2758 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x556F JUMP JUMPDEST POP POP POP POP JUMP JUMPDEST PUSH2 0x2770 DUP3 PUSH1 0xA0 ADD MLOAD DUP3 PUSH1 0xA0 ADD MLOAD PUSH2 0x37C0 JUMP JUMPDEST PUSH2 0x2782 DUP4 PUSH1 0x80 ADD MLOAD DUP4 PUSH1 0x80 ADD MLOAD PUSH2 0x37C0 JUMP JUMPDEST LT ISZERO PUSH2 0x27BA JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56CF JUMP JUMPDEST POP POP JUMP JUMPDEST PUSH2 0x27C6 PUSH2 0x42C1 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH2 0x27DA DUP10 PUSH1 0xA0 ADD MLOAD DUP9 PUSH2 0x2EE2 JUMP JUMPDEST SWAP4 POP PUSH2 0x27EF DUP10 PUSH1 0x80 ADD MLOAD DUP11 PUSH1 0xA0 ADD MLOAD DUP7 PUSH2 0x381B JUMP JUMPDEST SWAP3 POP PUSH2 0x27FF DUP9 PUSH1 0xA0 ADD MLOAD DUP8 PUSH2 0x2EE2 JUMP JUMPDEST SWAP2 POP PUSH2 0x2814 DUP9 PUSH1 0x80 ADD MLOAD DUP10 PUSH1 0xA0 ADD MLOAD DUP5 PUSH2 0x381B JUMP JUMPDEST SWAP1 POP DUP1 DUP5 LT PUSH2 0x2857 JUMPI PUSH1 0x20 DUP1 DUP7 ADD DUP1 MLOAD DUP4 SWAP1 MSTORE DUP1 MLOAD DUP3 ADD DUP5 SWAP1 MSTORE MLOAD MLOAD DUP7 MLOAD DUP3 ADD MSTORE PUSH1 0x80 DUP11 ADD MLOAD PUSH1 0xA0 DUP12 ADD MLOAD DUP8 MLOAD SWAP1 SWAP3 ADD MLOAD PUSH2 0x284F SWAP3 SWAP1 PUSH2 0x381B JUMP JUMPDEST DUP6 MLOAD MSTORE PUSH2 0x2894 JUMP JUMPDEST DUP5 MLOAD DUP4 SWAP1 MSTORE DUP5 MLOAD PUSH1 0x20 SWAP1 DUP2 ADD DUP6 SWAP1 MSTORE DUP6 MLOAD DUP2 ADD MLOAD SWAP1 DUP7 ADD DUP1 MLOAD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0xA0 DUP10 ADD MLOAD PUSH1 0x80 DUP11 ADD MLOAD SWAP2 MLOAD MLOAD PUSH2 0x288B SWAP3 SWAP1 PUSH2 0x3898 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP8 ADD MLOAD ADD MSTORE JUMPDEST DUP5 MLOAD MLOAD PUSH1 0x20 DUP1 DUP8 ADD MLOAD ADD MLOAD PUSH2 0x28A9 SWAP2 SWAP1 PUSH2 0x2EE2 JUMP JUMPDEST PUSH1 0x40 DUP7 ADD MSTORE DUP5 MLOAD MLOAD PUSH1 0x80 DUP11 ADD MLOAD PUSH1 0xC0 DUP12 ADD MLOAD PUSH2 0x28C6 SWAP3 SWAP2 SWAP1 PUSH2 0x381B JUMP JUMPDEST DUP6 MLOAD PUSH1 0x40 ADD MSTORE DUP5 MLOAD PUSH1 0x20 ADD MLOAD PUSH1 0xA0 DUP11 ADD MLOAD PUSH1 0xE0 DUP12 ADD MLOAD PUSH2 0x28E7 SWAP3 SWAP2 SWAP1 PUSH2 0x381B JUMP JUMPDEST DUP6 MLOAD PUSH1 0x60 ADD MSTORE PUSH1 0x20 DUP6 ADD MLOAD MLOAD PUSH1 0x80 DUP10 ADD MLOAD PUSH1 0xC0 DUP11 ADD MLOAD PUSH2 0x2908 SWAP3 SWAP2 SWAP1 PUSH2 0x381B JUMP JUMPDEST DUP6 PUSH1 0x20 ADD MLOAD PUSH1 0x40 ADD DUP2 DUP2 MSTORE POP POP PUSH2 0x2930 DUP6 PUSH1 0x20 ADD MLOAD PUSH1 0x20 ADD MLOAD DUP10 PUSH1 0xA0 ADD MLOAD DUP11 PUSH1 0xE0 ADD MLOAD PUSH2 0x381B JUMP JUMPDEST PUSH1 0x20 DUP7 ADD MLOAD PUSH1 0x60 ADD MSTORE POP POP POP POP SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST DUP3 ISZERO ISZERO PUSH2 0x297E JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x55EF JUMP JUMPDEST DUP3 DUP3 GT ISZERO PUSH2 0x29B8 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x55DF JUMP JUMPDEST DUP5 PUSH1 0xA0 ADD MLOAD PUSH2 0x29CB DUP6 PUSH1 0x40 ADD MLOAD DUP5 PUSH2 0x3776 JUMP JUMPDEST GT ISZERO PUSH2 0x2A03 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x550F JUMP JUMPDEST PUSH2 0x2A11 DUP6 PUSH1 0x80 ADD MLOAD DUP4 PUSH2 0x37C0 JUMP JUMPDEST PUSH2 0x2A1F DUP3 DUP8 PUSH1 0xA0 ADD MLOAD PUSH2 0x37C0 JUMP JUMPDEST GT ISZERO PUSH2 0x2A57 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x566F JUMP JUMPDEST POP POP POP POP POP JUMP JUMPDEST PUSH2 0x2A6C DUP3 DUP3 PUSH1 0x20 ADD MLOAD PUSH2 0x3776 JUMP JUMPDEST PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP2 DUP3 SWAP1 KECCAK256 SWAP3 SWAP1 SWAP3 SSTORE DUP7 DUP2 ADD MLOAD DUP8 MLOAD DUP5 MLOAD SWAP4 DUP6 ADD MLOAD DUP6 DUP5 ADD MLOAD PUSH1 0x60 DUP8 ADD MLOAD PUSH2 0x140 DUP13 ADD MLOAD PUSH2 0x160 DUP14 ADD MLOAD SWAP7 MLOAD DUP12 SWAP9 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP8 DUP9 AND SWAP9 SWAP8 SWAP1 SWAP7 AND SWAP7 PUSH32 0xBCC4C97732E47D9946F229EDB95F5B6323F601300E4690DE719993F3C371129 SWAP7 PUSH2 0x2AFB SWAP7 DUP16 SWAP7 CALLER SWAP7 SWAP3 SWAP6 SWAP2 SWAP5 SWAP1 SWAP4 SWAP1 PUSH2 0x5345 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG4 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 PUSH1 0x24 DUP2 MSTORE PUSH1 0x20 ADD PUSH32 0xF47261B0000000000000000000000000E41D2489571D322189246DAFA5EBDE1F DUP2 MSTORE PUSH1 0x20 ADD PUSH32 0x4699F49800000000000000000000000000000000000000000000000000000000 DUP2 MSTORE POP SWAP1 POP PUSH2 0x2B8B DUP6 PUSH2 0x140 ADD MLOAD DUP7 PUSH1 0x0 ADD MLOAD DUP7 PUSH1 0x0 ADD MLOAD DUP6 PUSH1 0x20 ADD MLOAD PUSH1 0x20 ADD MLOAD PUSH2 0x3935 JUMP JUMPDEST PUSH2 0x140 DUP5 ADD MLOAD DUP5 MLOAD DUP7 MLOAD DUP5 MLOAD PUSH1 0x20 ADD MLOAD PUSH2 0x2BA7 SWAP4 SWAP3 SWAP2 SWAP1 PUSH2 0x3935 JUMP JUMPDEST PUSH2 0x2BC0 DUP6 PUSH2 0x140 ADD MLOAD DUP7 PUSH1 0x0 ADD MLOAD DUP6 DUP6 PUSH1 0x40 ADD MLOAD PUSH2 0x3935 JUMP JUMPDEST PUSH2 0x2BDC DUP2 DUP7 PUSH1 0x0 ADD MLOAD DUP8 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x0 ADD MLOAD PUSH1 0x40 ADD MLOAD PUSH2 0x3935 JUMP JUMPDEST PUSH2 0x2BF8 DUP2 DUP6 PUSH1 0x0 ADD MLOAD DUP7 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x20 ADD MLOAD PUSH1 0x40 ADD MLOAD PUSH2 0x3935 JUMP JUMPDEST DUP4 PUSH1 0x40 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP6 PUSH1 0x40 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO PUSH2 0x2C62 JUMPI PUSH2 0x2C5D DUP2 DUP5 DUP8 PUSH1 0x40 ADD MLOAD PUSH2 0x2C58 DUP7 PUSH1 0x0 ADD MLOAD PUSH1 0x60 ADD MLOAD DUP8 PUSH1 0x20 ADD MLOAD PUSH1 0x60 ADD MLOAD PUSH2 0x3776 JUMP JUMPDEST PUSH2 0x3935 JUMP JUMPDEST PUSH2 0x2A57 JUMP JUMPDEST PUSH2 0x2C7A DUP2 DUP5 DUP8 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x0 ADD MLOAD PUSH1 0x60 ADD MLOAD PUSH2 0x3935 JUMP JUMPDEST PUSH2 0x2A57 DUP2 DUP5 DUP7 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x20 ADD MLOAD PUSH1 0x60 ADD MLOAD PUSH2 0x3935 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0xB4BE83D500000000000000000000000000000000000000000000000000000000 PUSH1 0x20 DUP1 DUP4 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0x60 PUSH1 0x24 DUP4 ADD DUP2 DUP2 MSTORE DUP8 MLOAD PUSH1 0x84 DUP6 ADD SWAP1 DUP2 MSTORE DUP9 DUP5 ADD MLOAD PUSH1 0xA4 DUP7 ADD MSTORE SWAP5 DUP9 ADD MLOAD PUSH1 0xC4 DUP6 ADD MSTORE SWAP1 DUP8 ADD MLOAD PUSH1 0xE4 DUP5 ADD MSTORE PUSH1 0x80 DUP8 ADD MLOAD PUSH2 0x104 DUP5 ADD MSTORE PUSH1 0xA0 DUP8 ADD MLOAD PUSH2 0x124 DUP5 ADD MSTORE PUSH1 0xC0 DUP8 ADD MLOAD PUSH2 0x144 DUP5 ADD MSTORE PUSH1 0xE0 DUP8 ADD MLOAD PUSH2 0x164 DUP5 ADD MSTORE PUSH2 0x100 DUP8 ADD MLOAD PUSH2 0x184 DUP5 ADD MSTORE PUSH2 0x120 DUP8 ADD MLOAD PUSH2 0x1A4 DUP5 ADD MSTORE PUSH2 0x140 DUP8 ADD DUP1 MLOAD PUSH2 0x1C4 DUP6 ADD SWAP1 DUP2 MSTORE PUSH2 0x160 DUP10 ADD MLOAD PUSH2 0x1E4 DUP7 ADD MSTORE PUSH2 0x180 SWAP1 MSTORE MLOAD DUP1 MLOAD PUSH2 0x204 DUP6 ADD DUP2 SWAP1 MSTORE SWAP4 SWAP5 SWAP2 SWAP4 DUP5 SWAP4 PUSH1 0x44 DUP8 ADD SWAP3 DUP5 SWAP3 PUSH2 0x224 DUP10 ADD SWAP3 SWAP2 DUP3 ADD SWAP2 PUSH1 0x1F DUP3 ADD DIV PUSH1 0x0 JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x2D99 JUMPI DUP4 MLOAD DUP6 MSTORE PUSH1 0x20 SWAP5 DUP6 ADD SWAP5 SWAP1 SWAP4 ADD SWAP3 PUSH1 0x1 ADD PUSH2 0x2D7B JUMP JUMPDEST POP POP POP POP DUP2 DUP2 SUB PUSH2 0x160 DUP1 DUP5 ADD SWAP2 SWAP1 SWAP2 MSTORE DUP11 ADD MLOAD DUP1 MLOAD DUP1 DUP4 MSTORE PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 DUP3 ADD SWAP2 PUSH1 0x1F DUP3 ADD DIV PUSH1 0x0 JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x2DE2 JUMPI DUP4 MLOAD DUP6 MSTORE PUSH1 0x20 SWAP5 DUP6 ADD SWAP5 SWAP1 SWAP4 ADD SWAP3 PUSH1 0x1 ADD PUSH2 0x2DC4 JUMP JUMPDEST POP POP POP DUP10 DUP5 MSTORE POP DUP5 DUP2 SUB PUSH1 0x20 SWAP4 DUP5 ADD SWAP1 DUP2 MSTORE DUP9 MLOAD DUP1 DUP4 MSTORE SWAP1 SWAP4 SWAP2 DUP3 ADD SWAP2 DUP10 DUP2 ADD SWAP2 SWAP1 PUSH1 0x1F DUP3 ADD DIV PUSH1 0x0 JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x2E2A JUMPI DUP4 MLOAD DUP6 MSTORE PUSH1 0x20 SWAP5 DUP6 ADD SWAP5 SWAP1 SWAP4 ADD SWAP3 PUSH1 0x1 ADD PUSH2 0x2E0C JUMP JUMPDEST POP POP POP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 DUP9 DUP4 SUB ADD DUP9 MSTORE POP PUSH1 0x40 MSTORE POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH2 0x2E6C PUSH2 0x42F0 JUMP JUMPDEST PUSH2 0x2E75 DUP3 PUSH2 0x1F30 JUMP JUMPDEST SWAP1 POP PUSH2 0x2E81 DUP3 DUP3 PUSH2 0x3AFF JUMP JUMPDEST PUSH2 0x27BA DUP3 DUP3 PUSH1 0x20 ADD MLOAD PUSH2 0x3C16 JUMP JUMPDEST PUSH2 0x2E97 PUSH2 0x4298 JUMP JUMPDEST PUSH2 0x2EA2 DUP5 DUP5 DUP5 PUSH2 0x2494 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD MLOAD SWAP1 SWAP2 POP DUP4 EQ PUSH2 0x25BF JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x565F JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 GT ISZERO PUSH2 0x2F1E JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x551F JUMP JUMPDEST POP DUP1 DUP3 SUB JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP3 MLOAD GT ISZERO ISZERO PUSH2 0x2F67 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x560F JUMP JUMPDEST DUP2 MLOAD DUP3 SWAP1 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 ADD SWAP1 DUP2 LT PUSH2 0x2F97 JUMPI INVALID JUMPDEST ADD PUSH1 0x20 ADD MLOAD DUP3 MLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP3 MSTORE POP PUSH32 0x100000000000000000000000000000000000000000000000000000000000000 SWAP1 DUP2 SWAP1 DIV MUL SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x20 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x302F JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x553F JUMP JUMPDEST POP ADD PUSH1 0x20 ADD MLOAD SWAP1 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH1 0x0 SWAP1 PUSH1 0x60 SWAP1 PUSH32 0x1626BA7E00000000000000000000000000000000000000000000000000000000 SWAP1 PUSH2 0x3073 SWAP1 DUP8 SWAP1 DUP7 SWAP1 PUSH1 0x24 ADD PUSH2 0x5460 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 DUP2 DUP5 SUB ADD DUP2 MSTORE SWAP2 SWAP1 MSTORE PUSH1 0x20 DUP1 DUP3 ADD DUP1 MLOAD PUSH28 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 OR DUP4 MSTORE DUP2 MLOAD SWAP2 SWAP4 POP SWAP1 DUP3 SWAP1 DUP2 DUP9 GAS STATICCALL DUP1 DUP1 ISZERO PUSH2 0x3110 JUMPI PUSH1 0x1 DUP2 EQ PUSH2 0x3181 JUMPI PUSH2 0x2527 JUMP JUMPDEST PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 PUSH1 0x0 MSTORE PUSH29 0x2000000000000000000000000000000000000000000000000000000000 PUSH1 0x20 MSTORE PUSH29 0xC57414C4C45545F4552524F5200000000000000000000000000000000 PUSH1 0x40 MSTORE PUSH1 0x0 PUSH1 0x60 MSTORE PUSH1 0x64 PUSH1 0x0 REVERT JUMPDEST POP POP MLOAD SWAP6 SWAP5 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x14 DUP3 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x31CD JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x569F JUMP JUMPDEST PUSH2 0x31DB DUP3 PUSH1 0x14 DUP5 MLOAD SUB PUSH2 0x3CBD JUMP JUMPDEST DUP3 MLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEC ADD SWAP1 SWAP3 MSTORE POP SWAP1 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH1 0x0 SWAP1 PUSH1 0x60 SWAP1 PUSH32 0x9363470200000000000000000000000000000000000000000000000000000000 SWAP1 PUSH2 0x3243 SWAP1 DUP8 SWAP1 DUP8 SWAP1 DUP8 SWAP1 PUSH1 0x24 ADD PUSH2 0x5433 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 DUP2 DUP5 SUB ADD DUP2 MSTORE SWAP2 SWAP1 MSTORE PUSH1 0x20 DUP1 DUP3 ADD DUP1 MLOAD PUSH28 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 OR DUP4 MSTORE DUP2 MLOAD SWAP2 SWAP4 POP SWAP1 DUP3 SWAP1 DUP2 DUP11 GAS STATICCALL DUP1 DUP1 ISZERO PUSH2 0x32E0 JUMPI PUSH1 0x1 DUP2 EQ PUSH2 0x3351 JUMPI PUSH2 0x3356 JUMP JUMPDEST PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 PUSH1 0x0 MSTORE PUSH29 0x2000000000000000000000000000000000000000000000000000000000 PUSH1 0x20 MSTORE PUSH29 0xF56414C494441544F525F4552524F5200000000000000000000000000 PUSH1 0x40 MSTORE PUSH1 0x0 PUSH1 0x60 MSTORE PUSH1 0x64 PUSH1 0x0 REVERT JUMPDEST DUP3 MLOAD SWAP5 POP JUMPDEST POP POP POP POP SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP4 GT PUSH2 0x339D JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x555F JUMP JUMPDEST PUSH2 0x33B0 PUSH2 0x33AA DUP6 DUP5 PUSH2 0x37C0 JUMP JUMPDEST DUP5 PUSH2 0x3D1E JUMP JUMPDEST SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x5A65726F45785472616E73616374696F6E280000000000000000000000000000 PUSH1 0x20 DUP1 DUP4 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH32 0x75696E743235362073616C742C00000000000000000000000000000000000000 PUSH1 0x32 DUP4 ADD MSTORE PUSH32 0x61646472657373207369676E6572416464726573732C00000000000000000000 PUSH1 0x3F DUP4 ADD MSTORE PUSH32 0x6279746573206461746100000000000000000000000000000000000000000000 PUSH1 0x55 DUP4 ADD MSTORE PUSH32 0x2900000000000000000000000000000000000000000000000000000000000000 PUSH1 0x5F DUP4 ADD MSTORE DUP3 MLOAD DUP1 DUP4 SUB DUP5 ADD DUP2 MSTORE PUSH1 0x60 SWAP1 SWAP3 ADD SWAP3 DUP4 SWAP1 MSTORE DUP2 MLOAD PUSH1 0x0 SWAP4 DUP5 SWAP4 DUP5 SWAP4 SWAP1 SWAP3 DUP3 SWAP2 DUP5 ADD SWAP1 DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x34E1 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x34A4 JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 MLOAD SWAP2 SWAP1 SWAP4 ADD DUP2 SWAP1 SUB DUP2 KECCAK256 DUP10 MLOAD SWAP1 SWAP8 POP DUP10 SWAP6 POP SWAP1 SWAP4 POP DUP4 SWAP3 DUP6 ADD SWAP2 POP DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x3577 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x353A JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 DUP1 MLOAD SWAP3 SWAP1 SWAP5 ADD DUP3 SWAP1 SUB DUP3 KECCAK256 SWAP8 DUP3 MSTORE DUP2 ADD SWAP11 SWAP1 SWAP11 MSTORE POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP8 SWAP1 SWAP8 AND SWAP7 DUP9 ADD SWAP7 SWAP1 SWAP7 MSTORE POP POP PUSH1 0x60 DUP6 ADD MSTORE POP POP PUSH1 0x80 SWAP1 SWAP2 KECCAK256 SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x1 SLOAD PUSH1 0x40 MLOAD PUSH32 0x1901000000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x2 DUP2 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0x22 DUP2 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0x42 SWAP1 KECCAK256 SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x2F23 PUSH2 0x1AFD DUP4 PUSH2 0x3D35 JUMP JUMPDEST PUSH1 0x0 DUP2 DUP4 LT PUSH2 0x3656 JUMPI DUP2 PUSH2 0x25BF JUMP JUMPDEST POP SWAP1 SWAP2 SWAP1 POP JUMP JUMPDEST PUSH2 0x3665 PUSH2 0x4298 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD DUP3 SWAP1 MSTORE PUSH1 0xA0 DUP4 ADD MLOAD PUSH1 0x80 DUP5 ADD MLOAD PUSH2 0x3681 SWAP2 DUP5 SWAP2 PUSH2 0x381B JUMP JUMPDEST DUP1 DUP3 MSTORE PUSH1 0x80 DUP5 ADD MLOAD PUSH1 0xC0 DUP6 ADD MLOAD PUSH2 0x3699 SWAP3 SWAP2 SWAP1 PUSH2 0x381B JUMP JUMPDEST PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0xA0 DUP4 ADD MLOAD PUSH1 0xE0 DUP5 ADD MLOAD PUSH2 0x36B3 SWAP2 DUP5 SWAP2 PUSH2 0x381B JUMP JUMPDEST PUSH1 0x60 DUP3 ADD MSTORE SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x60 DUP2 ADD DUP3 MSTORE PUSH1 0x24 DUP2 MSTORE PUSH32 0xF47261B0000000000000000000000000E41D2489571D322189246DAFA5EBDE1F PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x4699F49800000000000000000000000000000000000000000000000000000000 SWAP2 DUP2 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH2 0x140 DUP5 ADD MLOAD DUP5 MLOAD DUP4 MLOAD PUSH2 0x3731 SWAP3 SWAP2 SWAP1 DUP7 SWAP1 PUSH2 0x3935 JUMP JUMPDEST PUSH2 0x374A DUP5 PUSH2 0x160 ADD MLOAD DUP5 DUP7 PUSH1 0x0 ADD MLOAD DUP6 PUSH1 0x20 ADD MLOAD PUSH2 0x3935 JUMP JUMPDEST PUSH2 0x3762 DUP2 DUP6 PUSH1 0x0 ADD MLOAD DUP7 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x40 ADD MLOAD PUSH2 0x3935 JUMP JUMPDEST PUSH2 0x2758 DUP2 DUP5 DUP7 PUSH1 0x40 ADD MLOAD DUP6 PUSH1 0x60 ADD MLOAD PUSH2 0x3935 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 ADD DUP4 DUP2 LT ISZERO PUSH2 0x37B5 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x558F JUMP JUMPDEST DUP1 SWAP2 POP JUMPDEST POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP4 ISZERO ISZERO PUSH2 0x37D3 JUMPI PUSH1 0x0 SWAP2 POP PUSH2 0x37B9 JUMP JUMPDEST POP DUP3 DUP3 MUL DUP3 DUP5 DUP3 DUP2 ISZERO ISZERO PUSH2 0x37E3 JUMPI INVALID JUMPDEST DIV EQ PUSH2 0x37B5 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x558F JUMP JUMPDEST PUSH1 0x0 DUP1 DUP4 GT PUSH2 0x3856 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x555F JUMP JUMPDEST PUSH2 0x3861 DUP5 DUP5 DUP5 PUSH2 0x418E JUMP JUMPDEST ISZERO PUSH2 0x339D JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x55BF JUMP JUMPDEST PUSH1 0x0 DUP1 DUP4 GT PUSH2 0x38D3 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x555F JUMP JUMPDEST PUSH2 0x38DE DUP5 DUP5 DUP5 PUSH2 0x4213 JUMP JUMPDEST ISZERO PUSH2 0x3915 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x55BF JUMP JUMPDEST PUSH2 0x33B0 PUSH2 0x33AA PUSH2 0x3925 DUP7 DUP6 PUSH2 0x37C0 JUMP JUMPDEST PUSH2 0x3930 DUP7 PUSH1 0x1 PUSH2 0x2EE2 JUMP JUMPDEST PUSH2 0x3776 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP4 GT DUP1 ISZERO PUSH2 0x3974 JUMPI POP DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO JUMPDEST ISZERO PUSH2 0x3AF7 JUMPI DUP6 MLOAD PUSH1 0x3 LT PUSH2 0x39B4 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x564F JUMP JUMPDEST POP POP PUSH1 0x20 DUP5 DUP2 ADD MLOAD PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0xA SWAP1 SWAP3 MSTORE PUSH1 0x40 SWAP1 SWAP2 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP1 ISZERO ISZERO PUSH2 0x3A3D JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x55FF JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH7 0xFFFFFFFFFFFE0 PUSH1 0x3F DUP9 MLOAD ADD AND DUP1 PUSH1 0x84 ADD DUP3 ADD PUSH32 0xA85E59E400000000000000000000000000000000000000000000000000000000 DUP4 MSTORE PUSH1 0x80 PUSH1 0x4 DUP5 ADD MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP9 AND PUSH1 0x24 DUP5 ADD MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND PUSH1 0x44 DUP5 ADD MSTORE DUP6 PUSH1 0x64 DUP5 ADD MSTORE PUSH1 0x84 DUP4 ADD JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x3AD9 JUMPI DUP10 MLOAD DUP2 MSTORE PUSH1 0x20 SWAP10 DUP11 ADD SWAP10 ADD PUSH2 0x3AC1 JUMP JUMPDEST PUSH2 0x200 DUP5 DUP6 DUP5 SUB DUP7 PUSH1 0x0 DUP10 GAS CALL DUP1 ISZERO ISZERO PUSH2 0x3AF1 JUMPI RETURNDATASIZE DUP6 REVERT JUMPDEST POP POP POP POP POP JUMPDEST POP POP POP POP POP POP JUMP JUMPDEST DUP1 MLOAD PUSH1 0x0 SWAP1 PUSH1 0xFF AND PUSH1 0x3 EQ PUSH2 0x3B40 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56AF JUMP JUMPDEST PUSH1 0x60 DUP4 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND ISZERO PUSH2 0x3BB3 JUMPI PUSH1 0x60 DUP4 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x3BB3 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x56BF JUMP JUMPDEST PUSH2 0x3BBB PUSH2 0x2594 JUMP JUMPDEST DUP4 MLOAD SWAP1 SWAP2 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP4 AND SWAP2 AND EQ PUSH2 0x3C11 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x557F JUMP JUMPDEST POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 OR SWAP1 SSTORE DUP3 DUP2 ADD MLOAD DUP4 MLOAD PUSH2 0x140 DUP6 ADD MLOAD PUSH2 0x160 DUP7 ADD MLOAD SWAP4 MLOAD DUP6 SWAP5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP5 DUP6 AND SWAP5 SWAP4 SWAP1 SWAP4 AND SWAP3 PUSH32 0xDC47B3613D9FE400085F6DBDC99453462279057E6207385042827ED6B1A62CF7 SWAP3 PUSH2 0x3CB1 SWAP3 CALLER SWAP3 SWAP1 PUSH2 0x53C9 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG4 POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x14 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x3CFF JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x569F JUMP JUMPDEST POP ADD PUSH1 0x14 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP1 DUP3 DUP5 DUP2 ISZERO ISZERO PUSH2 0x3D2C JUMPI INVALID JUMPDEST DIV SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x4F72646572280000000000000000000000000000000000000000000000000000 PUSH1 0x20 DUP1 DUP4 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH32 0x61646472657373206D616B6572416464726573732C0000000000000000000000 PUSH1 0x26 DUP4 ADD MSTORE PUSH32 0x616464726573732074616B6572416464726573732C0000000000000000000000 PUSH1 0x3B DUP4 ADD MSTORE PUSH32 0x6164647265737320666565526563697069656E74416464726573732C00000000 PUSH1 0x50 DUP4 ADD MSTORE PUSH32 0x616464726573732073656E646572416464726573732C00000000000000000000 PUSH1 0x6C DUP4 ADD MSTORE PUSH32 0x75696E74323536206D616B65724173736574416D6F756E742C00000000000000 PUSH1 0x82 DUP4 ADD MSTORE PUSH32 0x75696E743235362074616B65724173736574416D6F756E742C00000000000000 PUSH1 0x9B DUP4 ADD MSTORE PUSH32 0x75696E74323536206D616B65724665652C000000000000000000000000000000 PUSH1 0xB4 DUP4 ADD MSTORE PUSH32 0x75696E743235362074616B65724665652C000000000000000000000000000000 PUSH1 0xC5 DUP4 ADD MSTORE PUSH32 0x75696E743235362065787069726174696F6E54696D655365636F6E64732C0000 PUSH1 0xD6 DUP4 ADD MSTORE PUSH32 0x75696E743235362073616C742C00000000000000000000000000000000000000 PUSH1 0xF4 DUP4 ADD MSTORE PUSH32 0x6279746573206D616B65724173736574446174612C0000000000000000000000 PUSH2 0x101 DUP4 ADD MSTORE PUSH32 0x62797465732074616B6572417373657444617461000000000000000000000000 PUSH2 0x116 DUP4 ADD MSTORE PUSH32 0x2900000000000000000000000000000000000000000000000000000000000000 PUSH2 0x12A DUP4 ADD MSTORE DUP3 MLOAD PUSH2 0x10B DUP2 DUP5 SUB ADD DUP2 MSTORE PUSH2 0x12B SWAP1 SWAP3 ADD SWAP3 DUP4 SWAP1 MSTORE DUP2 MLOAD PUSH1 0x0 SWAP4 DUP5 SWAP4 DUP5 SWAP4 DUP5 SWAP4 SWAP2 SWAP3 SWAP2 DUP3 SWAP2 DUP5 ADD SWAP1 DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x3FBD JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x3F80 JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 MLOAD SWAP2 SWAP1 SWAP4 ADD DUP2 SWAP1 SUB DUP2 KECCAK256 PUSH2 0x140 DUP12 ADD MLOAD DUP1 MLOAD SWAP2 SWAP10 POP SWAP6 POP SWAP1 SWAP4 POP DUP4 SWAP3 DUP6 ADD SWAP2 POP DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x4058 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x401B JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 MLOAD SWAP2 SWAP1 SWAP4 ADD DUP2 SWAP1 SUB DUP2 KECCAK256 PUSH2 0x160 DUP12 ADD MLOAD DUP1 MLOAD SWAP2 SWAP9 POP SWAP6 POP SWAP1 SWAP4 POP DUP4 SWAP3 DUP6 ADD SWAP2 POP DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x40F3 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x40B6 JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 SWAP1 SWAP4 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP2 AND SWAP3 AND SWAP2 SWAP1 SWAP2 OR SWAP1 MSTORE PUSH1 0x40 MLOAD SWAP3 ADD DUP3 SWAP1 SUB SWAP1 SWAP2 KECCAK256 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 DUP10 ADD DUP1 MLOAD PUSH2 0x140 DUP12 ADD DUP1 MLOAD PUSH2 0x160 SWAP1 SWAP13 ADD DUP1 MLOAD SWAP11 DUP5 MSTORE SWAP9 DUP2 MSTORE SWAP3 DUP9 MSTORE PUSH2 0x1A0 DUP3 KECCAK256 SWAP2 MSTORE SWAP9 SWAP1 MSTORE POP POP POP SWAP2 SWAP1 MSTORE POP SWAP1 SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 DUP5 GT PUSH2 0x41CA JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x555F JUMP JUMPDEST DUP3 ISZERO DUP1 PUSH2 0x41D5 JUMPI POP DUP5 ISZERO JUMPDEST ISZERO PUSH2 0x41E3 JUMPI PUSH1 0x0 SWAP2 POP PUSH2 0xA88 JUMP JUMPDEST DUP4 DUP1 ISZERO ISZERO PUSH2 0x41ED JUMPI INVALID JUMPDEST DUP6 DUP5 MULMOD SWAP1 POP PUSH2 0x41FC DUP6 DUP5 PUSH2 0x37C0 JUMP JUMPDEST PUSH2 0x4208 PUSH2 0x3E8 DUP4 PUSH2 0x37C0 JUMP JUMPDEST LT ISZERO SWAP6 SWAP5 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 DUP5 GT PUSH2 0x424F JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x6C6 SWAP1 PUSH2 0x555F JUMP JUMPDEST DUP3 ISZERO DUP1 PUSH2 0x425A JUMPI POP DUP5 ISZERO JUMPDEST ISZERO PUSH2 0x4268 JUMPI PUSH1 0x0 SWAP2 POP PUSH2 0xA88 JUMP JUMPDEST DUP4 DUP1 ISZERO ISZERO PUSH2 0x4272 JUMPI INVALID JUMPDEST DUP6 DUP5 MULMOD SWAP1 POP DUP4 PUSH2 0x4282 DUP6 DUP4 PUSH2 0x2EE2 JUMP JUMPDEST DUP2 ISZERO ISZERO PUSH2 0x428B JUMPI INVALID JUMPDEST MOD SWAP1 POP PUSH2 0x41FC DUP6 DUP5 PUSH2 0x37C0 JUMP JUMPDEST PUSH1 0x80 PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE POP SWAP1 JUMP JUMPDEST PUSH2 0x120 PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 PUSH2 0x42D6 PUSH2 0x4298 JUMP JUMPDEST DUP2 MSTORE PUSH1 0x20 ADD PUSH2 0x42E3 PUSH2 0x4298 JUMP JUMPDEST DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE POP SWAP1 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x60 DUP2 ADD DUP3 MSTORE PUSH1 0x0 DUP1 DUP3 MSTORE PUSH1 0x20 DUP3 ADD DUP2 SWAP1 MSTORE SWAP2 DUP2 ADD SWAP2 SWAP1 SWAP2 MSTORE SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x25BF DUP3 CALLDATALOAD PUSH2 0x57C2 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x432D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x4340 PUSH2 0x433B DUP3 PUSH2 0x5751 JUMP JUMPDEST PUSH2 0x572A JUMP JUMPDEST DUP2 DUP2 MSTORE PUSH1 0x20 SWAP4 DUP5 ADD SWAP4 SWAP1 SWAP3 POP DUP3 ADD DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x437E JUMPI DUP2 CALLDATALOAD DUP7 ADD PUSH2 0x4368 DUP9 DUP3 PUSH2 0x44CE JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0x4352 JUMP JUMPDEST POP POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x4399 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x43A7 PUSH2 0x433B DUP3 PUSH2 0x5751 JUMP JUMPDEST DUP2 DUP2 MSTORE PUSH1 0x20 SWAP4 DUP5 ADD SWAP4 SWAP1 SWAP3 POP DUP3 ADD DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x437E JUMPI DUP2 CALLDATALOAD DUP7 ADD PUSH2 0x43CF DUP9 DUP3 PUSH2 0x451D JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0x43B9 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x43F6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x4404 PUSH2 0x433B DUP3 PUSH2 0x5751 JUMP JUMPDEST SWAP2 POP DUP2 DUP2 DUP4 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH1 0x20 DUP2 ADD SWAP1 POP DUP4 DUP6 PUSH1 0x20 DUP5 MUL DUP3 ADD GT ISZERO PUSH2 0x4429 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x437E JUMPI DUP2 PUSH2 0x443F DUP9 DUP3 PUSH2 0x4461 JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0x442C JUMP JUMPDEST PUSH1 0x0 PUSH2 0x25BF DUP3 CALLDATALOAD PUSH2 0x57DB JUMP JUMPDEST PUSH1 0x0 PUSH2 0x25BF DUP3 CALLDATALOAD PUSH2 0x57E0 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x25BF DUP3 CALLDATALOAD PUSH2 0x57E3 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x25BF DUP3 MLOAD PUSH2 0x57E3 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x1F DUP4 ADD DUP5 SGT PUSH2 0x4497 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP DUP2 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x44AF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x20 DUP4 ADD SWAP2 POP DUP4 PUSH1 0x1 DUP3 MUL DUP4 ADD GT ISZERO PUSH2 0x44C7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x44DF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x44ED PUSH2 0x433B DUP3 PUSH2 0x5772 JUMP JUMPDEST SWAP2 POP DUP1 DUP3 MSTORE PUSH1 0x20 DUP4 ADD PUSH1 0x20 DUP4 ADD DUP6 DUP4 DUP4 ADD GT ISZERO PUSH2 0x4509 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4514 DUP4 DUP3 DUP5 PUSH2 0x5819 JUMP JUMPDEST POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x180 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x4530 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x453B PUSH2 0x180 PUSH2 0x572A JUMP JUMPDEST SWAP1 POP PUSH1 0x0 PUSH2 0x4549 DUP5 DUP5 PUSH2 0x4310 JUMP JUMPDEST DUP3 MSTORE POP PUSH1 0x20 PUSH2 0x455A DUP5 DUP5 DUP4 ADD PUSH2 0x4310 JUMP JUMPDEST PUSH1 0x20 DUP4 ADD MSTORE POP PUSH1 0x40 PUSH2 0x456E DUP5 DUP3 DUP6 ADD PUSH2 0x4310 JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MSTORE POP PUSH1 0x60 PUSH2 0x4582 DUP5 DUP3 DUP6 ADD PUSH2 0x4310 JUMP JUMPDEST PUSH1 0x60 DUP4 ADD MSTORE POP PUSH1 0x80 PUSH2 0x4596 DUP5 DUP3 DUP6 ADD PUSH2 0x4461 JUMP JUMPDEST PUSH1 0x80 DUP4 ADD MSTORE POP PUSH1 0xA0 PUSH2 0x45AA DUP5 DUP3 DUP6 ADD PUSH2 0x4461 JUMP JUMPDEST PUSH1 0xA0 DUP4 ADD MSTORE POP PUSH1 0xC0 PUSH2 0x45BE DUP5 DUP3 DUP6 ADD PUSH2 0x4461 JUMP JUMPDEST PUSH1 0xC0 DUP4 ADD MSTORE POP PUSH1 0xE0 PUSH2 0x45D2 DUP5 DUP3 DUP6 ADD PUSH2 0x4461 JUMP JUMPDEST PUSH1 0xE0 DUP4 ADD MSTORE POP PUSH2 0x100 PUSH2 0x45E7 DUP5 DUP3 DUP6 ADD PUSH2 0x4461 JUMP JUMPDEST PUSH2 0x100 DUP4 ADD MSTORE POP PUSH2 0x120 PUSH2 0x45FD DUP5 DUP3 DUP6 ADD PUSH2 0x4461 JUMP JUMPDEST PUSH2 0x120 DUP4 ADD MSTORE POP PUSH2 0x140 DUP3 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x461F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x462B DUP5 DUP3 DUP6 ADD PUSH2 0x44CE JUMP JUMPDEST PUSH2 0x140 DUP4 ADD MSTORE POP PUSH2 0x160 DUP3 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x464D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4659 DUP5 DUP3 DUP6 ADD PUSH2 0x44CE JUMP JUMPDEST PUSH2 0x160 DUP4 ADD MSTORE POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x4678 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x33B0 DUP5 DUP5 PUSH2 0x4310 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x4697 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x46A3 DUP6 DUP6 PUSH2 0x4310 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 PUSH2 0x46B4 DUP6 DUP3 DUP7 ADD PUSH2 0x4310 JUMP JUMPDEST SWAP2 POP POP SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x46D1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x46DD DUP6 DUP6 PUSH2 0x4310 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 PUSH2 0x46B4 DUP6 DUP3 DUP7 ADD PUSH2 0x4455 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x4700 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4717 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x33B0 DUP5 DUP3 DUP6 ADD PUSH2 0x4388 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x60 DUP5 DUP7 SUB SLT ISZERO PUSH2 0x4738 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP4 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x474F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x475B DUP7 DUP3 DUP8 ADD PUSH2 0x4388 JUMP JUMPDEST SWAP4 POP POP PUSH1 0x20 DUP5 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4778 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4784 DUP7 DUP3 DUP8 ADD PUSH2 0x43E5 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x40 DUP5 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x47A1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x47AD DUP7 DUP3 DUP8 ADD PUSH2 0x431C JUMP JUMPDEST SWAP2 POP POP SWAP3 POP SWAP3 POP SWAP3 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x60 DUP5 DUP7 SUB SLT ISZERO PUSH2 0x47CC JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP4 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x47E3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x47EF DUP7 DUP3 DUP8 ADD PUSH2 0x4388 JUMP JUMPDEST SWAP4 POP POP PUSH1 0x20 PUSH2 0x4784 DUP7 DUP3 DUP8 ADD PUSH2 0x4461 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x4812 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x33B0 DUP5 DUP5 PUSH2 0x4461 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x4831 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x46A3 DUP6 DUP6 PUSH2 0x4461 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x60 DUP6 DUP8 SUB SLT ISZERO PUSH2 0x4853 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x485F DUP8 DUP8 PUSH2 0x4461 JUMP JUMPDEST SWAP5 POP POP PUSH1 0x20 PUSH2 0x4870 DUP8 DUP3 DUP9 ADD PUSH2 0x4310 JUMP JUMPDEST SWAP4 POP POP PUSH1 0x40 DUP6 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x488D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4899 DUP8 DUP3 DUP9 ADD PUSH2 0x4485 JUMP JUMPDEST SWAP6 SWAP9 SWAP5 SWAP8 POP SWAP6 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x60 DUP5 DUP7 SUB SLT ISZERO PUSH2 0x48BA JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x48C6 DUP7 DUP7 PUSH2 0x4461 JUMP JUMPDEST SWAP4 POP POP PUSH1 0x20 PUSH2 0x48D7 DUP7 DUP3 DUP8 ADD PUSH2 0x4310 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x40 DUP5 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x48F4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x47AD DUP7 DUP3 DUP8 ADD PUSH2 0x44CE JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x4912 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x33B0 DUP5 DUP5 PUSH2 0x446D JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x4930 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x33B0 DUP5 DUP5 PUSH2 0x4479 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x494E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4965 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x33B0 DUP5 DUP3 DUP6 ADD PUSH2 0x451D JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x80 DUP6 DUP8 SUB SLT ISZERO PUSH2 0x4987 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP5 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x499E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x49AA DUP8 DUP3 DUP9 ADD PUSH2 0x451D JUMP JUMPDEST SWAP5 POP POP PUSH1 0x20 DUP6 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x49C7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x49D3 DUP8 DUP3 DUP9 ADD PUSH2 0x451D JUMP JUMPDEST SWAP4 POP POP PUSH1 0x40 DUP6 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x49F0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x49FC DUP8 DUP3 DUP9 ADD PUSH2 0x44CE JUMP JUMPDEST SWAP3 POP POP PUSH1 0x60 DUP6 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4A19 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4A25 DUP8 DUP3 DUP9 ADD PUSH2 0x44CE JUMP JUMPDEST SWAP2 POP POP SWAP3 SWAP6 SWAP2 SWAP5 POP SWAP3 POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x60 DUP5 DUP7 SUB SLT ISZERO PUSH2 0x4A46 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP4 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4A5D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4A69 DUP7 DUP3 DUP8 ADD PUSH2 0x451D JUMP JUMPDEST SWAP4 POP POP PUSH1 0x20 PUSH2 0x48D7 DUP7 DUP3 DUP8 ADD PUSH2 0x4461 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x80 DUP8 DUP10 SUB SLT ISZERO PUSH2 0x4A93 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x4A9F DUP10 DUP10 PUSH2 0x4461 JUMP JUMPDEST SWAP7 POP POP PUSH1 0x20 PUSH2 0x4AB0 DUP10 DUP3 DUP11 ADD PUSH2 0x4310 JUMP JUMPDEST SWAP6 POP POP PUSH1 0x40 DUP8 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4ACD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4AD9 DUP10 DUP3 DUP11 ADD PUSH2 0x4485 JUMP JUMPDEST SWAP5 POP SWAP5 POP POP PUSH1 0x60 DUP8 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x4AF8 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x4B04 DUP10 DUP3 DUP11 ADD PUSH2 0x4485 JUMP JUMPDEST SWAP3 POP SWAP3 POP POP SWAP3 SWAP6 POP SWAP3 SWAP6 POP SWAP3 SWAP6 JUMP JUMPDEST PUSH2 0x4B1C DUP2 PUSH2 0x57C2 JUMP JUMPDEST DUP3 MSTORE POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x4B2D DUP3 PUSH2 0x57BE JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH2 0x4B3F DUP4 PUSH2 0x57B8 JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP3 DUP2 LT ISZERO PUSH2 0x4B6F JUMPI PUSH2 0x4B55 DUP7 DUP4 MLOAD PUSH2 0x52F7 JUMP JUMPDEST PUSH2 0x4B5E DUP3 PUSH2 0x57B8 JUMP JUMPDEST PUSH1 0x60 SWAP7 SWAP1 SWAP7 ADD SWAP6 SWAP2 POP PUSH1 0x1 ADD PUSH2 0x4B42 JUMP JUMPDEST POP SWAP4 SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH2 0x4B1C DUP2 PUSH2 0x57DB JUMP JUMPDEST PUSH2 0x4B1C DUP2 PUSH2 0x57E0 JUMP JUMPDEST PUSH2 0x4B1C DUP2 PUSH2 0x57E3 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x4B9F DUP3 PUSH2 0x57BE JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH2 0x4BB3 DUP2 PUSH1 0x20 DUP7 ADD PUSH1 0x20 DUP7 ADD PUSH2 0x5825 JUMP JUMPDEST PUSH2 0x4BBC DUP2 PUSH2 0x5851 JUMP JUMPDEST SWAP1 SWAP4 ADD PUSH1 0x20 ADD SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH2 0x4B1C DUP2 PUSH2 0x580E JUMP JUMPDEST PUSH1 0x12 DUP2 MSTORE PUSH32 0x4C454E4754485F36355F52455155495245440000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xD DUP2 MSTORE PUSH32 0x494E56414C49445F54414B455200000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xE DUP2 MSTORE PUSH32 0x4F524445525F4F56455246494C4C000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x11 DUP2 MSTORE PUSH32 0x55494E543235365F554E444552464C4F57000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x1A DUP2 MSTORE PUSH32 0x41535345545F50524F58595F414C52454144595F455849535453000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x26 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F33325F4C454E4754485F5245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5155495245440000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x15 DUP2 MSTORE PUSH32 0x5349474E41545552455F554E535550504F525445440000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x10 DUP2 MSTORE PUSH32 0x4449564953494F4E5F42595F5A45524F00000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x17 DUP2 MSTORE PUSH32 0x494E56414C49445F4F524445525F5349474E4154555245000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xD DUP2 MSTORE PUSH32 0x494E56414C49445F4D414B455200000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x10 DUP2 MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xF DUP2 MSTORE PUSH32 0x494E56414C49445F54585F484153480000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x11 DUP2 MSTORE PUSH32 0x494E56414C49445F5349474E4154555245000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xE DUP2 MSTORE PUSH32 0x524F554E44494E475F4552524F52000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x10 DUP2 MSTORE PUSH32 0x4641494C45445F455845435554494F4E00000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xD DUP2 MSTORE PUSH32 0x54414B45525F4F56455250415900000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x14 DUP2 MSTORE PUSH32 0x494E56414C49445F54414B45525F414D4F554E54000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x1A DUP2 MSTORE PUSH32 0x41535345545F50524F58595F444F45535F4E4F545F4558495354000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x21 DUP2 MSTORE PUSH32 0x475245415445525F5448414E5F5A45524F5F4C454E4754485F52455155495245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x4400000000000000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x11 DUP2 MSTORE PUSH32 0x5349474E41545552455F494C4C4547414C000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x1E DUP2 MSTORE PUSH32 0x4C454E4754485F475245415445525F5448414E5F305F52455155495245440000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x17 DUP2 MSTORE PUSH32 0x494E56414C49445F4E45575F4F524445525F45504F4348000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x1E DUP2 MSTORE PUSH32 0x4C454E4754485F475245415445525F5448414E5F335F52455155495245440000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x14 DUP2 MSTORE PUSH32 0x434F4D504C4554455F46494C4C5F4641494C4544000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x12 DUP2 MSTORE PUSH32 0x494E56414C49445F46494C4C5F50524943450000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x12 DUP2 MSTORE PUSH32 0x5245454E5452414E43595F494C4C4547414C0000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x13 DUP2 MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x26 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F32305F4C454E4754485F5245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5155495245440000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x10 DUP2 MSTORE PUSH32 0x4F524445525F554E46494C4C41424C4500000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xE DUP2 MSTORE PUSH32 0x494E56414C49445F53454E444552000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x18 DUP2 MSTORE PUSH32 0x4E454741544956455F5350524541445F52455155495245440000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x14 DUP2 MSTORE PUSH32 0x494E56414C49445F54585F5349474E4154555245000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x11 DUP2 MSTORE PUSH32 0x4C454E4754485F305F5245515549524544000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST DUP1 MLOAD PUSH1 0x80 DUP4 ADD SWAP1 PUSH2 0x5285 DUP5 DUP3 PUSH2 0x4B82 JUMP JUMPDEST POP PUSH1 0x20 DUP3 ADD MLOAD PUSH2 0x5298 PUSH1 0x20 DUP6 ADD DUP3 PUSH2 0x4B82 JUMP JUMPDEST POP PUSH1 0x40 DUP3 ADD MLOAD PUSH2 0x52AB PUSH1 0x40 DUP6 ADD DUP3 PUSH2 0x4B82 JUMP JUMPDEST POP PUSH1 0x60 DUP3 ADD MLOAD PUSH2 0x2758 PUSH1 0x60 DUP6 ADD DUP3 PUSH2 0x4B82 JUMP JUMPDEST DUP1 MLOAD PUSH2 0x120 DUP4 ADD SWAP1 PUSH2 0x52D0 DUP5 DUP3 PUSH2 0x5274 JUMP JUMPDEST POP PUSH1 0x20 DUP3 ADD MLOAD PUSH2 0x52E3 PUSH1 0x80 DUP6 ADD DUP3 PUSH2 0x5274 JUMP JUMPDEST POP PUSH1 0x40 DUP3 ADD MLOAD PUSH2 0x2758 PUSH2 0x100 DUP6 ADD DUP3 PUSH2 0x4B82 JUMP JUMPDEST DUP1 MLOAD PUSH1 0x60 DUP4 ADD SWAP1 PUSH2 0x5308 DUP5 DUP3 PUSH2 0x532E JUMP JUMPDEST POP PUSH1 0x20 DUP3 ADD MLOAD PUSH2 0x531B PUSH1 0x20 DUP6 ADD DUP3 PUSH2 0x4B82 JUMP JUMPDEST POP PUSH1 0x40 DUP3 ADD MLOAD PUSH2 0x2758 PUSH1 0x40 DUP6 ADD DUP3 PUSH2 0x4B82 JUMP JUMPDEST PUSH2 0x4B1C DUP2 PUSH2 0x5808 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x2F23 DUP3 DUP5 PUSH2 0x4B13 JUMP JUMPDEST PUSH2 0x100 DUP2 ADD PUSH2 0x5354 DUP3 DUP12 PUSH2 0x4B13 JUMP JUMPDEST PUSH2 0x5361 PUSH1 0x20 DUP4 ADD DUP11 PUSH2 0x4B13 JUMP JUMPDEST PUSH2 0x536E PUSH1 0x40 DUP4 ADD DUP10 PUSH2 0x4B82 JUMP JUMPDEST PUSH2 0x537B PUSH1 0x60 DUP4 ADD DUP9 PUSH2 0x4B82 JUMP JUMPDEST PUSH2 0x5388 PUSH1 0x80 DUP4 ADD DUP8 PUSH2 0x4B82 JUMP JUMPDEST PUSH2 0x5395 PUSH1 0xA0 DUP4 ADD DUP7 PUSH2 0x4B82 JUMP JUMPDEST DUP2 DUP2 SUB PUSH1 0xC0 DUP4 ADD MSTORE PUSH2 0x53A7 DUP2 DUP6 PUSH2 0x4B94 JUMP JUMPDEST SWAP1 POP DUP2 DUP2 SUB PUSH1 0xE0 DUP4 ADD MSTORE PUSH2 0x53BB DUP2 DUP5 PUSH2 0x4B94 JUMP JUMPDEST SWAP11 SWAP10 POP POP POP POP POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x60 DUP2 ADD PUSH2 0x53D7 DUP3 DUP7 PUSH2 0x4B13 JUMP JUMPDEST DUP2 DUP2 SUB PUSH1 0x20 DUP4 ADD MSTORE PUSH2 0x53E9 DUP2 DUP6 PUSH2 0x4B94 JUMP JUMPDEST SWAP1 POP DUP2 DUP2 SUB PUSH1 0x40 DUP4 ADD MSTORE PUSH2 0x53FD DUP2 DUP5 PUSH2 0x4B94 JUMP JUMPDEST SWAP6 SWAP5 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x25BF DUP2 DUP5 PUSH2 0x4B22 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x2F23 DUP3 DUP5 PUSH2 0x4B79 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x2F23 DUP3 DUP5 PUSH2 0x4B82 JUMP JUMPDEST PUSH1 0x60 DUP2 ADD PUSH2 0x5441 DUP3 DUP7 PUSH2 0x4B82 JUMP JUMPDEST PUSH2 0x544E PUSH1 0x20 DUP4 ADD DUP6 PUSH2 0x4B13 JUMP JUMPDEST DUP2 DUP2 SUB PUSH1 0x40 DUP4 ADD MSTORE PUSH2 0x53FD DUP2 DUP5 PUSH2 0x4B94 JUMP JUMPDEST PUSH1 0x40 DUP2 ADD PUSH2 0x546E DUP3 DUP6 PUSH2 0x4B82 JUMP JUMPDEST DUP2 DUP2 SUB PUSH1 0x20 DUP4 ADD MSTORE PUSH2 0x33B0 DUP2 DUP5 PUSH2 0x4B94 JUMP JUMPDEST PUSH1 0x80 DUP2 ADD PUSH2 0x548E DUP3 DUP8 PUSH2 0x4B82 JUMP JUMPDEST PUSH2 0x549B PUSH1 0x20 DUP4 ADD DUP7 PUSH2 0x532E JUMP JUMPDEST PUSH2 0x54A8 PUSH1 0x40 DUP4 ADD DUP6 PUSH2 0x4B82 JUMP JUMPDEST PUSH2 0x53FD PUSH1 0x60 DUP4 ADD DUP5 PUSH2 0x4B82 JUMP JUMPDEST PUSH1 0x40 DUP2 ADD PUSH2 0x54C3 DUP3 DUP6 PUSH2 0x4B8B JUMP JUMPDEST PUSH2 0x25BF PUSH1 0x20 DUP4 ADD DUP5 PUSH2 0x4B13 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x25BF DUP2 DUP5 PUSH2 0x4B94 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x2F23 DUP3 DUP5 PUSH2 0x4BC9 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4BD2 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4C02 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4C32 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4C62 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4C92 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4CC2 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4D18 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4D48 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4D78 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4DA8 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4DD8 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4E08 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4E38 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4E68 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4E98 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4EC8 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4EF8 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4F28 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4F58 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4FAE JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x4FDE JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x500E JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x503E JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x506E JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x509E JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x50CE JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x50FE JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x512E JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x5184 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x51B4 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x51E4 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x5214 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x2F23 DUP2 PUSH2 0x5244 JUMP JUMPDEST PUSH1 0x80 DUP2 ADD PUSH2 0x2F23 DUP3 DUP5 PUSH2 0x5274 JUMP JUMPDEST PUSH2 0x120 DUP2 ADD PUSH2 0x2F23 DUP3 DUP5 PUSH2 0x52BE JUMP JUMPDEST PUSH1 0x60 DUP2 ADD PUSH2 0x2F23 DUP3 DUP5 PUSH2 0x52F7 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP2 DUP2 ADD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT DUP3 DUP3 LT OR ISZERO PUSH2 0x5749 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x40 MSTORE SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH8 0xFFFFFFFFFFFFFFFF DUP3 GT ISZERO PUSH2 0x5768 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x20 SWAP1 DUP2 MUL ADD SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH8 0xFFFFFFFFFFFFFFFF DUP3 GT ISZERO PUSH2 0x5789 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x20 PUSH1 0x1F SWAP2 SWAP1 SWAP2 ADD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 AND ADD SWAP1 JUMP JUMPDEST PUSH1 0x20 ADD SWAP1 JUMP JUMPDEST MLOAD SWAP1 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST ISZERO ISZERO SWAP1 JUMP JUMPDEST SWAP1 JUMP JUMPDEST PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND SWAP1 JUMP JUMPDEST PUSH1 0xFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x2F23 DUP3 PUSH2 0x57C2 JUMP JUMPDEST DUP3 DUP2 DUP4 CALLDATACOPY POP PUSH1 0x0 SWAP2 ADD MSTORE JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x5840 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x5828 JUMP JUMPDEST DUP4 DUP2 GT ISZERO PUSH2 0x2758 JUMPI POP POP PUSH1 0x0 SWAP2 ADD MSTORE JUMP JUMPDEST PUSH1 0x1F ADD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 AND SWAP1 JUMP STOP LOG2 PUSH6 0x627A7A723058 KECCAK256 0xb1 SWAP13 SWAP3 KECCAK256 LT ORIGIN PUSH1 0x33 SWAP9 0xc0 SMOD 0xdc 0xcf DUP1 SWAP4 0xc PUSH3 0x6EF89F 0xa6 0xc8 0x48 0xc8 0xb7 0xef MSTORE PUSH8 0xD07CD4ED6C657870 PUSH6 0x72696D656E74 PUSH2 0x6CF5 STOP CALLDATACOPY ", + "sourceMap": 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+ } + } + }, + "sources": { + "2.0.0/extensions/Forwarder/Forwarder.sol": { + "id": 0 + }, + "2.0.0/extensions/Forwarder/MixinAssets.sol": { + "id": 1 + }, + "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": { + "id": 2 + }, + "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": { + "id": 3 + }, + "2.0.0/extensions/Forwarder/MixinWeth.sol": { + "id": 4 + }, + "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": { + "id": 5 + }, + "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": { + "id": 6 + }, + "2.0.0/extensions/Forwarder/libs/LibConstants.sol": { + "id": 7 + }, + "2.0.0/extensions/Forwarder/mixins/MAssets.sol": { + "id": 8 + }, + "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": { + "id": 9 + }, + "2.0.0/extensions/Forwarder/mixins/MWeth.sol": { + "id": 10 + }, + "2.0.0/extensions/OrderValidator/OrderValidator.sol": { + "id": 11 + }, + "2.0.0/multisig/MultiSigWallet.sol": { + "id": 12 + }, + "2.0.0/multisig/MultiSigWalletWithTimeLock.sol": { + "id": 13 + }, + "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": { + "id": 14 + }, + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": { + "id": 15 + }, + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": { + "id": 16 + }, + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": { + "id": 17 + }, + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": { + "id": 18 + }, + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": { + "id": 19 + }, + "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": { + "id": 20 + }, + "2.0.0/protocol/Exchange/Exchange.sol": { + "id": 21 + }, + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": { + "id": 22 + }, + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": { + "id": 23 + }, + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": { + "id": 24 + }, + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": { + "id": 25 + }, + "2.0.0/protocol/Exchange/MixinTransactions.sol": { + "id": 26 + }, + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": { + "id": 27 + }, + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": { + "id": 28 + }, + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": { + "id": 29 + }, + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": { + "id": 30 + }, + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": { + "id": 31 + }, + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": { + "id": 32 + }, + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": { + "id": 33 + }, + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": { + "id": 34 + }, + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": { + "id": 35 + }, + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": { + "id": 36 + }, + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": { + "id": 37 + }, + "2.0.0/protocol/Exchange/libs/LibConstants.sol": { + "id": 38 + }, + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": { + "id": 39 + }, + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": { + "id": 40 + }, + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": { + "id": 41 + }, + "2.0.0/protocol/Exchange/libs/LibMath.sol": { + "id": 42 + }, + "2.0.0/protocol/Exchange/libs/LibOrder.sol": { + "id": 43 + }, + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": { + "id": 44 + }, + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": { + "id": 45 + }, + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": { + "id": 46 + }, + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": { + "id": 47 + }, + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": { + "id": 48 + }, + "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": { + "id": 49 + }, + "2.0.0/tokens/ERC20Token/IERC20Token.sol": { + "id": 50 + }, + "2.0.0/tokens/ERC721Token/IERC721Token.sol": { + "id": 51 + }, + "2.0.0/tokens/EtherToken/IEtherToken.sol": { + "id": 52 + }, + "2.0.0/utils/LibBytes/LibBytes.sol": { + "id": 53 + }, + "2.0.0/utils/Ownable/IOwnable.sol": { + "id": 54 + }, + "2.0.0/utils/Ownable/Ownable.sol": { + "id": 55 + }, + "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": { + "id": 56 + }, + "2.0.0/utils/SafeMath/SafeMath.sol": { + "id": 57 + } + }, + "sourceCodes": { + "2.0.0/extensions/Forwarder/Forwarder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinWeth.sol\";\nimport \"./MixinForwarderCore.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinAssets.sol\";\nimport \"./MixinExchangeWrapper.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Forwarder is\n LibConstants,\n MixinWeth,\n MixinAssets,\n MixinExchangeWrapper,\n MixinForwarderCore\n{\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n LibConstants(\n _exchange,\n _zrxAssetData,\n _wethAssetData\n )\n MixinForwarderCore()\n {}\n}\n", + "2.0.0/extensions/Forwarder/MixinAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MAssets.sol\";\n\n\ncontract MixinAssets is\n Ownable,\n LibConstants,\n MAssets\n{\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256(\"transfer(address,uint256)\"));\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external\n onlyOwner\n {\n transferAssetToSender(assetData, amount);\n }\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n bytes4 proxyId = assetData.readBytes4(0);\n\n if (proxyId == ERC20_DATA_ID) {\n transferERC20Token(assetData, amount);\n } else if (proxyId == ERC721_DATA_ID) {\n transferERC721Token(assetData, amount);\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n }\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n address token = assetData.readAddress(16);\n\n // Transfer tokens.\n // We do a raw call so we can check the success separate\n // from the return data.\n bool success = token.call(abi.encodeWithSelector(\n ERC20_TRANSFER_SELECTOR,\n msg.sender,\n amount\n ));\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n \n // Check return data.\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // value that evaluates to true.\n assembly {\n if returndatasize {\n success := 0\n if eq(returndatasize, 32) {\n // First 64 bytes of memory are reserved scratch space\n returndatacopy(0, 0, 32)\n success := mload(0)\n }\n }\n }\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n }\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n require(\n amount == 1,\n \"INVALID_AMOUNT\"\n );\n // Decode asset data.\n address token = assetData.readAddress(16);\n uint256 tokenId = assetData.readUint256(36);\n\n // Perform transfer.\n IERC721Token(token).transferFrom(\n address(this),\n msg.sender,\n tokenId\n );\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"../../protocol/Exchange/libs/LibAbiEncoder.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinExchangeWrapper is\n LibAbiEncoder,\n LibFillResults,\n LibMath,\n LibConstants,\n MExchangeWrapper\n{\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n address exchange = address(EXCHANGE);\n\n // Call `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := call(\n gas, // forward all gas\n exchange, // call address of Exchange contract\n 0, // transfer 0 wei\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of WETH to sell\n uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of WETH\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount;\n if (makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n\n require(\n makerAssetFilledAmount >= makerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n // Do nothing if zrxBuyAmount == 0\n if (zrxBuyAmount == 0) {\n return totalFillResults;\n }\n\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n uint256 zrxPurchased = 0;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // All of these are ZRX/WETH, so we can drop the respective assetData from calldata.\n orders[i].makerAssetData = zrxAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of ZRX to buy.\n uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased);\n\n // Convert the remaining amount of ZRX to buy into remaining amount\n // of WETH to sell, assuming entire amount can be sold in the current order.\n uint256 remainingWethSellAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees \n remainingZrxBuyAmount\n );\n\n // Attempt to sell the remaining amount of WETH.\n FillResults memory singleFillResult = fillOrderNoThrow(\n orders[i],\n safeAdd(remainingWethSellAmount, 1), // we add 1 wei to the fill amount to make up for rounding errors\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker.\n addFillResults(totalFillResults, singleFillResult);\n zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid);\n\n // Stop execution if the entire amount of ZRX has been bought.\n if (zrxPurchased >= zrxBuyAmount) {\n break;\n }\n }\n\n require(\n zrxPurchased >= zrxBuyAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\nimport \"./mixins/MAssets.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"./interfaces/IForwarderCore.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinForwarderCore is\n LibFillResults,\n LibMath,\n LibConstants,\n MWeth,\n MAssets,\n MExchangeWrapper,\n IForwarderCore\n{\n using LibBytes for bytes;\n\n /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf.\n constructor ()\n public\n {\n address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID);\n require(\n proxyAddress != address(0),\n \"UNREGISTERED_ASSET_PROXY\"\n );\n ETHER_TOKEN.approve(proxyAddress, MAX_UINT);\n ZRX_TOKEN.approve(proxyAddress, MAX_UINT);\n }\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 wethSellAmount;\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // Calculate amount of WETH that won't be spent on ETH fees.\n wethSellAmount = getPartialAmountFloor(\n PERCENTAGE_DENOMINATOR,\n safeAdd(PERCENTAGE_DENOMINATOR, feePercentage),\n msg.value\n );\n // Market sell available WETH.\n // ZRX fees are paid with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // 5% of WETH is reserved for filling feeOrders and paying feeRecipient.\n wethSellAmount = getPartialAmountFloor(\n MAX_WETH_FILL_PERCENTAGE,\n PERCENTAGE_DENOMINATOR,\n msg.value\n );\n // Market sell 95% of WETH.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // If the makerAsset is ZRX, it is not necessary to pay fees out of this\n // contracts's ZRX balance because fees are factored into the price of the order.\n orderFillResults = marketBuyExactZrxWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // Attemp to purchase desired amount of makerAsset.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketBuyExactAmountWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\n\n\ncontract MixinWeth is\n LibMath,\n LibConstants,\n MWeth\n{\n /// @dev Default payabale function, this allows us to withdraw WETH\n function ()\n public\n payable\n {\n require(\n msg.sender == address(ETHER_TOKEN),\n \"DEFAULT_FUNCTION_WETH_CONTRACT_ONLY\"\n );\n }\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal\n {\n require(\n msg.value > 0,\n \"INVALID_MSG_VALUE\"\n );\n ETHER_TOKEN.deposit.value(msg.value)();\n }\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal\n {\n // Ensure feePercentage is less than 5%.\n require(\n feePercentage <= MAX_FEE_PERCENTAGE,\n \"FEE_PERCENTAGE_TOO_LARGE\"\n );\n\n // Ensure that no extra WETH owned by this contract has been sold.\n uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx);\n require(\n wethSold <= msg.value,\n \"OVERSOLD_WETH\"\n );\n\n // Calculate amount of WETH that hasn't been sold.\n uint256 wethRemaining = safeSub(msg.value, wethSold);\n\n // Calculate ETH fee to pay to feeRecipient.\n uint256 ethFee = getPartialAmountFloor(\n feePercentage,\n PERCENTAGE_DENOMINATOR,\n wethSoldExcludingFeeOrders\n );\n\n // Ensure fee is less than amount of WETH remaining.\n require(\n ethFee <= wethRemaining,\n \"INSUFFICIENT_ETH_REMAINING\"\n );\n \n // Do nothing if no WETH remaining\n if (wethRemaining > 0) {\n // Convert remaining WETH to ETH\n ETHER_TOKEN.withdraw(wethRemaining);\n\n // Pay ETH to feeRecipient\n if (ethFee > 0) {\n feeRecipient.transfer(ethFee);\n }\n\n // Refund remaining ETH to msg.sender.\n uint256 ethRefund = safeSub(wethRemaining, ethFee);\n if (ethRefund > 0) {\n msg.sender.transfer(ethRefund);\n }\n }\n }\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssets {\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external;\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract IForwarderCore {\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n}\n", + "2.0.0/extensions/Forwarder/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/LibBytes/LibBytes.sol\";\nimport \"../../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../../tokens/EtherToken/IEtherToken.sol\";\nimport \"../../../tokens/ERC20Token/IERC20Token.sol\";\n\n\ncontract LibConstants {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n uint256 constant internal MAX_UINT = 2**256 - 1;\n uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; \n uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5%\n uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95%\n \n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n IEtherToken internal ETHER_TOKEN;\n IERC20Token internal ZRX_TOKEN;\n bytes internal ZRX_ASSET_DATA;\n bytes internal WETH_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n WETH_ASSET_DATA = _wethAssetData;\n\n address etherToken = _wethAssetData.readAddress(16);\n address zrxToken = _zrxAssetData.readAddress(16);\n ETHER_TOKEN = IEtherToken(etherToken);\n ZRX_TOKEN = IERC20Token(zrxToken);\n }\n}\n", + "2.0.0/extensions/Forwarder/mixins/MAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssets.sol\";\n\n\ncontract MAssets is\n IAssets\n{\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract MExchangeWrapper {\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n}\n", + "2.0.0/extensions/Forwarder/mixins/MWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract MWeth {\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal;\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal;\n}\n", + "2.0.0/extensions/OrderValidator/OrderValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract OrderValidator {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n struct TraderInfo {\n uint256 makerBalance; // Maker's balance of makerAsset\n uint256 makerAllowance; // Maker's allowance to corresponding AssetProxy\n uint256 takerBalance; // Taker's balance of takerAsset\n uint256 takerAllowance; // Taker's allowance to corresponding AssetProxy\n uint256 makerZrxBalance; // Maker's balance of ZRX\n uint256 makerZrxAllowance; // Maker's allowance of ZRX to ERC20Proxy\n uint256 takerZrxBalance; // Taker's balance of ZRX\n uint256 takerZrxAllowance; // Taker's allowance of ZRX to ERC20Proxy\n }\n\n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n bytes internal ZRX_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (address _exchange, bytes memory _zrxAssetData)\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n }\n\n /// @dev Fetches information for order and maker/taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return OrderInfo and TraderInfo instances for given order.\n function getOrderAndTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo, TraderInfo memory traderInfo)\n {\n orderInfo = EXCHANGE.getOrderInfo(order);\n traderInfo = getTraderInfo(order, takerAddress);\n return (orderInfo, traderInfo);\n }\n\n /// @dev Fetches information for all passed in orders and the makers/takers of each order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Arrays of OrderInfo and TraderInfo instances that correspond to each order.\n function getOrdersAndTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (LibOrder.OrderInfo[] memory ordersInfo, TraderInfo[] memory tradersInfo)\n {\n ordersInfo = EXCHANGE.getOrdersInfo(orders);\n tradersInfo = getTradersInfo(orders, takerAddresses);\n return (ordersInfo, tradersInfo);\n }\n\n /// @dev Fetches balance and allowances for maker and taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return Balances and allowances of maker and taker of order.\n function getTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (TraderInfo memory traderInfo)\n {\n (traderInfo.makerBalance, traderInfo.makerAllowance) = getBalanceAndAllowance(order.makerAddress, order.makerAssetData);\n (traderInfo.takerBalance, traderInfo.takerAllowance) = getBalanceAndAllowance(takerAddress, order.takerAssetData);\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n (traderInfo.makerZrxBalance, traderInfo.makerZrxAllowance) = getBalanceAndAllowance(order.makerAddress, zrxAssetData);\n (traderInfo.takerZrxBalance, traderInfo.takerZrxAllowance) = getBalanceAndAllowance(takerAddress, zrxAssetData);\n return traderInfo;\n }\n\n /// @dev Fetches balances and allowances of maker and taker for each provided order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Array of balances and allowances for maker and taker of each order.\n function getTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (TraderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n TraderInfo[] memory tradersInfo = new TraderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n tradersInfo[i] = getTraderInfo(orders[i], takerAddresses[i]);\n }\n return tradersInfo;\n }\n\n /// @dev Fetches token balances and allowances of an address to given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Encoded data that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balance of asset and allowance set to given proxy of asset.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalanceAndAllowance(address target, bytes memory assetData)\n public\n view\n returns (uint256 balance, uint256 allowance)\n {\n bytes4 assetProxyId = assetData.readBytes4(0);\n address token = assetData.readAddress(16);\n address assetProxy = EXCHANGE.getAssetProxy(assetProxyId);\n\n if (assetProxyId == ERC20_DATA_ID) {\n // Query balance\n balance = IERC20Token(token).balanceOf(target);\n\n // Query allowance\n allowance = IERC20Token(token).allowance(target, assetProxy);\n } else if (assetProxyId == ERC721_DATA_ID) {\n uint256 tokenId = assetData.readUint256(36);\n\n // Query owner of tokenId\n address owner = getERC721TokenOwner(token, tokenId);\n\n // Set balance to 1 if tokenId is owned by target\n balance = target == owner ? 1 : 0;\n\n // Check if ERC721Proxy is approved to spend tokenId\n bool isApproved = IERC721Token(token).isApprovedForAll(target, assetProxy) || IERC721Token(token).getApproved(tokenId) == assetProxy;\n \n // Set alowance to 1 if ERC721Proxy is approved to spend tokenId\n allowance = isApproved ? 1 : 0;\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n return (balance, allowance);\n }\n\n /// @dev Fetches token balances and allowances of an address for each given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Array of encoded byte arrays that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balances and allowances of assets.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalancesAndAllowances(address target, bytes[] memory assetData)\n public\n view\n returns (uint256[] memory, uint256[] memory)\n {\n uint256 length = assetData.length;\n uint256[] memory balances = new uint256[](length);\n uint256[] memory allowances = new uint256[](length);\n for (uint256 i = 0; i != length; i++) {\n (balances[i], allowances[i]) = getBalanceAndAllowance(target, assetData[i]);\n }\n return (balances, allowances);\n }\n\n /// @dev Calls `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token.\n /// @param token Address of ERC721 token.\n /// @param tokenId The identifier for the specific NFT.\n /// @return Owner of tokenId or null address if unowned.\n function getERC721TokenOwner(address token, uint256 tokenId)\n public\n view\n returns (address owner)\n {\n assembly {\n // load free memory pointer\n let cdStart := mload(64)\n\n // bytes4(keccak256(ownerOf(uint256))) = 0x6352211e\n mstore(cdStart, 0x6352211e00000000000000000000000000000000000000000000000000000000)\n mstore(add(cdStart, 4), tokenId)\n\n // staticcall `ownerOf(tokenId)`\n // `ownerOf` will revert if tokenId is not owned\n let success := staticcall(\n gas, // forward all gas\n token, // call token contract\n cdStart, // start of calldata\n 36, // length of input is 36 bytes\n cdStart, // write output over input\n 32 // size of output is 32 bytes\n )\n\n // Success implies that tokenId is owned\n // Copy owner from return data if successful\n if success {\n owner := mload(cdStart)\n } \n }\n\n // Owner initialized to address(0), no need to modify if call is unsuccessful\n return owner;\n }\n}\n", + "2.0.0/multisig/MultiSigWallet.sol": "// solhint-disable\npragma solidity ^0.4.15;\n\n\n/// @title Multisignature wallet - Allows multiple parties to agree on transactions before execution.\n/// @author Stefan George - \ncontract MultiSigWallet {\n\n /*\n * Events\n */\n event Confirmation(address indexed sender, uint indexed transactionId);\n event Revocation(address indexed sender, uint indexed transactionId);\n event Submission(uint indexed transactionId);\n event Execution(uint indexed transactionId);\n event ExecutionFailure(uint indexed transactionId);\n event Deposit(address indexed sender, uint value);\n event OwnerAddition(address indexed owner);\n event OwnerRemoval(address indexed owner);\n event RequirementChange(uint required);\n\n /*\n * Constants\n */\n uint constant public MAX_OWNER_COUNT = 50;\n\n /*\n * Storage\n */\n mapping (uint => Transaction) public transactions;\n mapping (uint => mapping (address => bool)) public confirmations;\n mapping (address => bool) public isOwner;\n address[] public owners;\n uint public required;\n uint public transactionCount;\n\n struct Transaction {\n address destination;\n uint value;\n bytes data;\n bool executed;\n }\n\n /*\n * Modifiers\n */\n modifier onlyWallet() {\n require(msg.sender == address(this));\n _;\n }\n\n modifier ownerDoesNotExist(address owner) {\n require(!isOwner[owner]);\n _;\n }\n\n modifier ownerExists(address owner) {\n require(isOwner[owner]);\n _;\n }\n\n modifier transactionExists(uint transactionId) {\n require(transactions[transactionId].destination != 0);\n _;\n }\n\n modifier confirmed(uint transactionId, address owner) {\n require(confirmations[transactionId][owner]);\n _;\n }\n\n modifier notConfirmed(uint transactionId, address owner) {\n require(!confirmations[transactionId][owner]);\n _;\n }\n\n modifier notExecuted(uint transactionId) {\n require(!transactions[transactionId].executed);\n _;\n }\n\n modifier notNull(address _address) {\n require(_address != 0);\n _;\n }\n\n modifier validRequirement(uint ownerCount, uint _required) {\n require(ownerCount <= MAX_OWNER_COUNT\n && _required <= ownerCount\n && _required != 0\n && ownerCount != 0);\n _;\n }\n\n /// @dev Fallback function allows to deposit ether.\n function()\n payable\n {\n if (msg.value > 0)\n Deposit(msg.sender, msg.value);\n }\n\n /*\n * Public functions\n */\n /// @dev Contract constructor sets initial owners and required number of confirmations.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n function MultiSigWallet(address[] _owners, uint _required)\n public\n validRequirement(_owners.length, _required)\n {\n for (uint i=0; i<_owners.length; i++) {\n require(!isOwner[_owners[i]] && _owners[i] != 0);\n isOwner[_owners[i]] = true;\n }\n owners = _owners;\n required = _required;\n }\n\n /// @dev Allows to add a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of new owner.\n function addOwner(address owner)\n public\n onlyWallet\n ownerDoesNotExist(owner)\n notNull(owner)\n validRequirement(owners.length + 1, required)\n {\n isOwner[owner] = true;\n owners.push(owner);\n OwnerAddition(owner);\n }\n\n /// @dev Allows to remove an owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner.\n function removeOwner(address owner)\n public\n onlyWallet\n ownerExists(owner)\n {\n isOwner[owner] = false;\n for (uint i=0; i owners.length)\n changeRequirement(owners.length);\n OwnerRemoval(owner);\n }\n\n /// @dev Allows to replace an owner with a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner to be replaced.\n /// @param newOwner Address of new owner.\n function replaceOwner(address owner, address newOwner)\n public\n onlyWallet\n ownerExists(owner)\n ownerDoesNotExist(newOwner)\n {\n for (uint i=0; i\n// solhint-disable not-rely-on-time\ncontract MultiSigWalletWithTimeLock is\n MultiSigWallet\n{\n event ConfirmationTimeSet(uint256 indexed transactionId, uint256 confirmationTime);\n event TimeLockChange(uint256 secondsTimeLocked);\n\n uint256 public secondsTimeLocked;\n\n mapping (uint256 => uint256) public confirmationTimes;\n\n modifier notFullyConfirmed(uint256 transactionId) {\n require(\n !isConfirmed(transactionId),\n \"TX_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier fullyConfirmed(uint256 transactionId) {\n require(\n isConfirmed(transactionId),\n \"TX_NOT_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier pastTimeLock(uint256 transactionId) {\n require(\n block.timestamp >= confirmationTimes[transactionId] + secondsTimeLocked,\n \"TIME_LOCK_INCOMPLETE\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations, and time lock.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] _owners,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWallet(_owners, _required)\n {\n secondsTimeLocked = _secondsTimeLocked;\n }\n\n /// @dev Changes the duration of the time lock for transactions.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n function changeTimeLock(uint256 _secondsTimeLocked)\n public\n onlyWallet\n {\n secondsTimeLocked = _secondsTimeLocked;\n emit TimeLockChange(_secondsTimeLocked);\n }\n\n /// @dev Allows an owner to confirm a transaction.\n /// @param transactionId Transaction ID.\n function confirmTransaction(uint256 transactionId)\n public\n ownerExists(msg.sender)\n transactionExists(transactionId)\n notConfirmed(transactionId, msg.sender)\n notFullyConfirmed(transactionId)\n {\n confirmations[transactionId][msg.sender] = true;\n emit Confirmation(msg.sender, transactionId);\n if (isConfirmed(transactionId)) {\n setConfirmationTime(transactionId, block.timestamp);\n }\n }\n\n /// @dev Allows anyone to execute a confirmed transaction.\n /// @param transactionId Transaction ID.\n function executeTransaction(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n pastTimeLock(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n\n /// @dev Sets the time of when a submission first passed.\n function setConfirmationTime(uint256 transactionId, uint256 confirmationTime)\n internal\n {\n confirmationTimes[transactionId] = confirmationTime;\n emit ConfirmationTimeSet(transactionId, confirmationTime);\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC20Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n \n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 1 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n\n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. amount |\n\n /////// Read token address from calldata ///////\n // * The token address is stored in `assetData`.\n //\n // * The \"offset to assetData\" is stored at offset 4 in the calldata (table 1).\n // [assetDataOffsetFromParams = calldataload(4)]\n //\n // * Notes that the \"offset to assetData\" is relative to the \"Params\" area of calldata;\n // add 4 bytes to account for the length of the \"Header\" area (table 1).\n // [assetDataOffsetFromHeader = assetDataOffsetFromParams + 4]\n //\n // * The \"token address\" is offset 32+4=36 bytes into \"assetData\" (tables 1 & 2).\n // [tokenOffset = assetDataOffsetFromHeader + 36 = calldataload(4) + 4 + 36]\n let token := calldataload(add(calldataload(4), 40))\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from`, `to` and `amount` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 96)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output over input\n 32 // output size should be 32 bytes\n )\n\n /////// Check return data. ///////\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // nonzero 32 bytes value.\n // So the transfer succeeded if the call succeeded and either\n // returned nothing, or returned a non-zero 32 byte value. \n success := and(success, or(\n iszero(returndatasize),\n and(\n eq(returndatasize, 32),\n gt(mload(0), 0)\n )\n ))\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC721Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 2 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n // | | 36 | | 2. tokenId |\n \n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. tokenId |\n\n // There exists only 1 of each token.\n // require(amount == 1, \"INVALID_AMOUNT\")\n if sub(calldataload(100), 1) {\n // Revert with `Error(\"INVALID_AMOUNT\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from` and `to` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 64)\n\n // Copy `tokenId` field from our own calldata to the new calldata.\n let assetDataOffset := calldataload(4)\n calldatacopy(68, add(assetDataOffset, 72), 32)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let token := calldataload(add(assetDataOffset, 40))\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output to null\n 0 // output size is 0 bytes\n )\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAuthorizable.sol\";\n\n\ncontract MixinAuthorizable is\n Ownable,\n MAuthorizable\n{\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized {\n require(\n authorized[msg.sender],\n \"SENDER_NOT_AUTHORIZED\"\n );\n _;\n }\n\n mapping (address => bool) public authorized;\n address[] public authorities;\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n !authorized[target],\n \"TARGET_ALREADY_AUTHORIZED\"\n );\n\n authorized[target] = true;\n authorities.push(target);\n emit AuthorizedAddressAdded(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n\n delete authorized[target];\n for (uint256 i = 0; i < authorities.length; i++) {\n if (authorities[i] == target) {\n authorities[i] = authorities[authorities.length - 1];\n authorities.length -= 1;\n break;\n }\n }\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n require(\n index < authorities.length,\n \"INDEX_OUT_OF_BOUNDS\"\n );\n require(\n authorities[index] == target,\n \"AUTHORIZED_ADDRESS_MISMATCH\"\n );\n\n delete authorized[target];\n authorities[index] = authorities[authorities.length - 1];\n authorities.length -= 1;\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory)\n {\n return authorities;\n }\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IAuthorizable.sol\";\n\n\ncontract IAssetProxy is\n IAuthorizable\n{\n /// @dev Transfers assets. Either succeeds or throws.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n function transferFrom(\n bytes assetData,\n address from,\n address to,\n uint256 amount\n )\n external;\n \n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4);\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/Ownable/IOwnable.sol\";\n\n\ncontract IAuthorizable is\n IOwnable\n{\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external;\n \n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory);\n}\n", + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAuthorizable.sol\";\n\n\ncontract MAuthorizable is\n IAuthorizable\n{\n // Event logged when a new address is authorized.\n event AuthorizedAddressAdded(\n address indexed target,\n address indexed caller\n );\n\n // Event logged when a currently authorized address is unauthorized.\n event AuthorizedAddressRemoved(\n address indexed target,\n address indexed caller\n );\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized { revert(); _; }\n}\n", + "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../multisig/MultiSigWalletWithTimeLock.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract AssetProxyOwner is\n MultiSigWalletWithTimeLock\n{\n using LibBytes for bytes;\n\n event AssetProxyRegistration(address assetProxyContract, bool isRegistered);\n\n // Mapping of AssetProxy contract address =>\n // if this contract is allowed to call the AssetProxy's `removeAuthorizedAddressAtIndex` method without a time lock.\n mapping (address => bool) public isAssetProxyRegistered;\n\n bytes4 constant internal REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR = bytes4(keccak256(\"removeAuthorizedAddressAtIndex(address,uint256)\"));\n\n /// @dev Function will revert if the transaction does not call `removeAuthorizedAddressAtIndex`\n /// on an approved AssetProxy contract.\n modifier validRemoveAuthorizedAddressAtIndexTx(uint256 transactionId) {\n Transaction storage txn = transactions[transactionId];\n require(\n isAssetProxyRegistered[txn.destination],\n \"UNREGISTERED_ASSET_PROXY\"\n );\n require(\n txn.data.readBytes4(0) == REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR,\n \"INVALID_FUNCTION_SELECTOR\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations,\n /// time lock, and list of AssetProxy addresses.\n /// @param _owners List of initial owners.\n /// @param _assetProxyContracts Array of AssetProxy contract addresses.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] memory _owners,\n address[] memory _assetProxyContracts,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWalletWithTimeLock(_owners, _required, _secondsTimeLocked)\n {\n for (uint256 i = 0; i < _assetProxyContracts.length; i++) {\n address assetProxy = _assetProxyContracts[i];\n require(\n assetProxy != address(0),\n \"INVALID_ASSET_PROXY\"\n );\n isAssetProxyRegistered[assetProxy] = true;\n }\n }\n\n /// @dev Registers or deregisters an AssetProxy to be able to execute\n /// `removeAuthorizedAddressAtIndex` without a timelock.\n /// @param assetProxyContract Address of AssetProxy contract.\n /// @param isRegistered Status of approval for AssetProxy contract.\n function registerAssetProxy(address assetProxyContract, bool isRegistered)\n public\n onlyWallet\n notNull(assetProxyContract)\n {\n isAssetProxyRegistered[assetProxyContract] = isRegistered;\n emit AssetProxyRegistration(assetProxyContract, isRegistered);\n }\n\n /// @dev Allows execution of `removeAuthorizedAddressAtIndex` without time lock.\n /// @param transactionId Transaction ID.\n function executeRemoveAuthorizedAddressAtIndex(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n validRemoveAuthorizedAddressAtIndexTx(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n}\n", + "2.0.0/protocol/Exchange/Exchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinExchangeCore.sol\";\nimport \"./MixinSignatureValidator.sol\";\nimport \"./MixinWrapperFunctions.sol\";\nimport \"./MixinAssetProxyDispatcher.sol\";\nimport \"./MixinTransactions.sol\";\nimport \"./MixinMatchOrders.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Exchange is\n MixinExchangeCore,\n MixinMatchOrders,\n MixinSignatureValidator,\n MixinTransactions,\n MixinAssetProxyDispatcher,\n MixinWrapperFunctions\n{\n string constant public VERSION = \"2.0.0\";\n\n // Mixins are instantiated in the order they are inherited\n constructor ()\n public\n MixinExchangeCore()\n MixinMatchOrders()\n MixinSignatureValidator()\n MixinTransactions()\n MixinAssetProxyDispatcher()\n MixinWrapperFunctions()\n {}\n}\n", + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\nimport \"../AssetProxy/interfaces/IAssetProxy.sol\";\n\n\ncontract MixinAssetProxyDispatcher is\n Ownable,\n MAssetProxyDispatcher\n{\n // Mapping from Asset Proxy Id's to their respective Asset Proxy\n mapping (bytes4 => IAssetProxy) public assetProxies;\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external\n onlyOwner\n {\n IAssetProxy assetProxyContract = IAssetProxy(assetProxy);\n\n // Ensure that no asset proxy exists with current id.\n bytes4 assetProxyId = assetProxyContract.getProxyId();\n address currentAssetProxy = assetProxies[assetProxyId];\n require(\n currentAssetProxy == address(0),\n \"ASSET_PROXY_ALREADY_EXISTS\"\n );\n\n // Add asset proxy and log registration.\n assetProxies[assetProxyId] = assetProxyContract;\n emit AssetProxyRegistered(\n assetProxyId,\n assetProxy\n );\n }\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address)\n {\n return assetProxies[assetProxyId];\n }\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal\n {\n // Do nothing if no amount should be transferred.\n if (amount > 0 && from != to) {\n // Ensure assetData length is valid\n require(\n assetData.length > 3,\n \"LENGTH_GREATER_THAN_3_REQUIRED\"\n );\n \n // Lookup assetProxy. We do not use `LibBytes.readBytes4` for gas efficiency reasons.\n bytes4 assetProxyId;\n assembly {\n assetProxyId := and(mload(\n add(assetData, 32)),\n 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000\n )\n }\n address assetProxy = assetProxies[assetProxyId];\n\n // Ensure that assetProxy exists\n require(\n assetProxy != address(0),\n \"ASSET_PROXY_DOES_NOT_EXIST\"\n );\n \n // We construct calldata for the `assetProxy.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n\n assembly {\n /////// Setup State ///////\n // `cdStart` is the start of the calldata for `assetProxy.transferFrom` (equal to free memory ptr).\n let cdStart := mload(64)\n // `dataAreaLength` is the total number of words needed to store `assetData`\n // As-per the ABI spec, this value is padded up to the nearest multiple of 32,\n // and includes 32-bytes for length.\n let dataAreaLength := and(add(mload(assetData), 63), 0xFFFFFFFFFFFE0)\n // `cdEnd` is the end of the calldata for `assetProxy.transferFrom`.\n let cdEnd := add(cdStart, add(132, dataAreaLength))\n\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFromSelector`.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes.\n // Notes:\n // 1. The offset to `assetData` is the length of the Params Area (128 bytes).\n // 2. A 20-byte mask is applied to addresses to zero-out the unused bytes.\n mstore(add(cdStart, 4), 128)\n mstore(add(cdStart, 36), and(from, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 68), and(to, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 100), amount)\n \n /////// Setup Data Area ///////\n // This area holds `assetData`.\n let dataArea := add(cdStart, 132)\n // solhint-disable-next-line no-empty-blocks\n for {} lt(dataArea, cdEnd) {} {\n mstore(dataArea, mload(assetData))\n dataArea := add(dataArea, 32)\n assetData := add(assetData, 32)\n }\n\n /////// Call `assetProxy.transferFrom` using the constructed calldata ///////\n let success := call(\n gas, // forward all gas\n assetProxy, // call address of asset proxy\n 0, // don't send any ETH\n cdStart, // pointer to start of input\n sub(cdEnd, cdStart), // length of input \n cdStart, // write output over input\n 512 // reserve 512 bytes for output\n )\n if iszero(success) {\n revert(cdStart, returndatasize())\n }\n }\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinExchangeCore is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n LibOrder,\n LibFillResults,\n MAssetProxyDispatcher,\n MExchangeCore,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of orderHash => amount of takerAsset already bought by maker\n mapping (bytes32 => uint256) public filled;\n\n // Mapping of orderHash => cancelled\n mapping (bytes32 => bool) public cancelled;\n\n // Mapping of makerAddress => senderAddress => lowest salt an order can have in order to be fillable\n // Orders with specified senderAddress and with a salt less than their epoch are considered cancelled\n mapping (address => mapping (address => uint256)) public orderEpoch;\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external\n nonReentrant\n {\n address makerAddress = getCurrentContextAddress();\n // If this function is called via `executeTransaction`, we only update the orderEpoch for the makerAddress/msg.sender combination.\n // This allows external filter contracts to add rules to how orders are cancelled via this function.\n address senderAddress = makerAddress == msg.sender ? address(0) : msg.sender;\n\n // orderEpoch is initialized to 0, so to cancelUpTo we need salt + 1\n uint256 newOrderEpoch = targetOrderEpoch + 1; \n uint256 oldOrderEpoch = orderEpoch[makerAddress][senderAddress];\n\n // Ensure orderEpoch is monotonically increasing\n require(\n newOrderEpoch > oldOrderEpoch, \n \"INVALID_NEW_ORDER_EPOCH\"\n );\n\n // Update orderEpoch\n orderEpoch[makerAddress][senderAddress] = newOrderEpoch;\n emit CancelUpTo(\n makerAddress,\n senderAddress,\n newOrderEpoch\n );\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrder(Order memory order)\n public\n nonReentrant\n {\n cancelOrderInternal(order);\n }\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(Order memory order)\n public\n view\n returns (OrderInfo memory orderInfo)\n {\n // Compute the order hash\n orderInfo.orderHash = getOrderHash(order);\n\n // Fetch filled amount\n orderInfo.orderTakerAssetFilledAmount = filled[orderInfo.orderHash];\n\n // If order.makerAssetAmount is zero, we also reject the order.\n // While the Exchange contract handles them correctly, they create\n // edge cases in the supporting infrastructure because they have\n // an 'infinite' price when computed by a simple division.\n if (order.makerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_MAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // If order.takerAssetAmount is zero, then the order will always\n // be considered filled because 0 == takerAssetAmount == orderTakerAssetFilledAmount\n // Instead of distinguishing between unfilled and filled zero taker\n // amount orders, we choose not to support them.\n if (order.takerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_TAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // Validate order availability\n if (orderInfo.orderTakerAssetFilledAmount >= order.takerAssetAmount) {\n orderInfo.orderStatus = uint8(OrderStatus.FULLY_FILLED);\n return orderInfo;\n }\n\n // Validate order expiration\n // solhint-disable-next-line not-rely-on-time\n if (block.timestamp >= order.expirationTimeSeconds) {\n orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);\n return orderInfo;\n }\n\n // Check if order has been cancelled\n if (cancelled[orderInfo.orderHash]) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n if (orderEpoch[order.makerAddress][order.senderAddress] > order.salt) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n\n // All other statuses are ruled out: order is Fillable\n orderInfo.orderStatus = uint8(OrderStatus.FILLABLE);\n return orderInfo;\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // Fetch order info\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Assert that the order is fillable by taker\n assertFillableOrder(\n order,\n orderInfo,\n takerAddress,\n signature\n );\n \n // Get amount of takerAsset to fill\n uint256 remainingTakerAssetAmount = safeSub(order.takerAssetAmount, orderInfo.orderTakerAssetFilledAmount);\n uint256 takerAssetFilledAmount = min256(takerAssetFillAmount, remainingTakerAssetAmount);\n\n // Validate context\n assertValidFill(\n order,\n orderInfo,\n takerAssetFillAmount,\n takerAssetFilledAmount,\n fillResults.makerAssetFilledAmount\n );\n\n // Compute proportional fill amounts\n fillResults = calculateFillResults(order, takerAssetFilledAmount);\n\n // Update exchange internal state\n updateFilledState(\n order,\n takerAddress,\n orderInfo.orderHash,\n orderInfo.orderTakerAssetFilledAmount,\n fillResults\n );\n \n // Settle order\n settleOrder(\n order,\n takerAddress,\n fillResults\n );\n\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrderInternal(Order memory order)\n internal\n {\n // Fetch current order status\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Validate context\n assertValidCancel(order, orderInfo);\n\n // Perform cancel\n updateCancelledState(order, orderInfo.orderHash);\n }\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n function updateFilledState(\n Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n FillResults memory fillResults\n )\n internal\n {\n // Update state\n filled[orderHash] = safeAdd(orderTakerAssetFilledAmount, fillResults.takerAssetFilledAmount);\n\n // Log order\n emit Fill(\n order.makerAddress,\n order.feeRecipientAddress,\n takerAddress,\n msg.sender,\n fillResults.makerAssetFilledAmount,\n fillResults.takerAssetFilledAmount,\n fillResults.makerFeePaid,\n fillResults.takerFeePaid,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n Order memory order,\n bytes32 orderHash\n )\n internal\n {\n // Perform cancel\n cancelled[orderHash] = true;\n\n // Log cancel\n emit Cancel(\n order.makerAddress,\n order.feeRecipientAddress,\n msg.sender,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n Order memory order,\n OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view\n {\n // An order can only be filled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n \n // Validate sender is allowed to fill this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n \n // Validate taker is allowed to fill this order\n if (order.takerAddress != address(0)) {\n require(\n order.takerAddress == takerAddress,\n \"INVALID_TAKER\"\n );\n }\n \n // Validate Maker signature (check only if first time seen)\n if (orderInfo.orderTakerAssetFilledAmount == 0) {\n require(\n isValidSignature(\n orderInfo.orderHash,\n order.makerAddress,\n signature\n ),\n \"INVALID_ORDER_SIGNATURE\"\n );\n }\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n Order memory order,\n OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount, // TODO: use FillResults\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view\n {\n // Revert if fill amount is invalid\n // TODO: reconsider necessity for v2.1\n require(\n takerAssetFillAmount != 0,\n \"INVALID_TAKER_AMOUNT\"\n );\n \n // Make sure taker does not pay more than desired amount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n takerAssetFilledAmount <= takerAssetFillAmount,\n \"TAKER_OVERPAY\"\n );\n \n // Make sure order is not overfilled\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeAdd(orderInfo.orderTakerAssetFilledAmount, takerAssetFilledAmount) <= order.takerAssetAmount,\n \"ORDER_OVERFILL\"\n );\n \n // Make sure order is filled at acceptable price.\n // The order has an implied price from the makers perspective:\n // order price = order.makerAssetAmount / order.takerAssetAmount\n // i.e. the number of makerAsset maker is paying per takerAsset. The\n // maker is guaranteed to get this price or a better (lower) one. The\n // actual price maker is getting in this fill is:\n // fill price = makerAssetFilledAmount / takerAssetFilledAmount\n // We need `fill price <= order price` for the fill to be fair to maker.\n // This amounts to:\n // makerAssetFilledAmount order.makerAssetAmount\n // ------------------------ <= -----------------------\n // takerAssetFilledAmount order.takerAssetAmount\n // or, equivalently:\n // makerAssetFilledAmount * order.takerAssetAmount <=\n // order.makerAssetAmount * takerAssetFilledAmount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeMul(makerAssetFilledAmount, order.takerAssetAmount)\n <= \n safeMul(order.makerAssetAmount, takerAssetFilledAmount),\n \"INVALID_FILL_PRICE\"\n );\n }\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n Order memory order,\n OrderInfo memory orderInfo\n )\n internal\n view\n {\n // Ensure order is valid\n // An order can only be cancelled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Validate sender is allowed to cancel this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate transaction signed by maker\n address makerAddress = getCurrentContextAddress();\n require(\n order.makerAddress == makerAddress,\n \"INVALID_MAKER\"\n );\n }\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (FillResults memory fillResults)\n {\n // Compute proportional transfer amounts\n fillResults.takerAssetFilledAmount = takerAssetFilledAmount;\n fillResults.makerAssetFilledAmount = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n );\n fillResults.makerFeePaid = safeGetPartialAmountFloor(\n fillResults.makerAssetFilledAmount,\n order.makerAssetAmount,\n order.makerFee\n );\n fillResults.takerFeePaid = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.takerFee\n );\n\n return fillResults;\n }\n\n /// @dev Settles an order by transferring assets between counterparties.\n /// @param order Order struct containing order specifications.\n /// @param takerAddress Address selling takerAsset and buying makerAsset.\n /// @param fillResults Amounts to be filled and fees paid by maker and taker.\n function settleOrder(\n LibOrder.Order memory order,\n address takerAddress,\n LibFillResults.FillResults memory fillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n dispatchTransferFrom(\n order.makerAssetData,\n order.makerAddress,\n takerAddress,\n fillResults.makerAssetFilledAmount\n );\n dispatchTransferFrom(\n order.takerAssetData,\n takerAddress,\n order.makerAddress,\n fillResults.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n zrxAssetData,\n order.makerAddress,\n order.feeRecipientAddress,\n fillResults.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n order.feeRecipientAddress,\n fillResults.takerFeePaid\n );\n }\n}\n", + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": "/*\n Copyright 2018 ZeroEx Intl.\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n http://www.apache.org/licenses/LICENSE-2.0\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MMatchOrders.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinMatchOrders is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n MAssetProxyDispatcher,\n MExchangeCore,\n MMatchOrders,\n MTransactions\n{\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n nonReentrant\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We assume that rightOrder.takerAssetData == leftOrder.makerAssetData and rightOrder.makerAssetData == leftOrder.takerAssetData.\n // If this assumption isn't true, the match will fail at signature validation.\n rightOrder.makerAssetData = leftOrder.takerAssetData;\n rightOrder.takerAssetData = leftOrder.makerAssetData;\n\n // Get left & right order info\n LibOrder.OrderInfo memory leftOrderInfo = getOrderInfo(leftOrder);\n LibOrder.OrderInfo memory rightOrderInfo = getOrderInfo(rightOrder);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Either our context is valid or we revert\n assertFillableOrder(\n leftOrder,\n leftOrderInfo,\n takerAddress,\n leftSignature\n );\n assertFillableOrder(\n rightOrder,\n rightOrderInfo,\n takerAddress,\n rightSignature\n );\n assertValidMatch(leftOrder, rightOrder);\n\n // Compute proportional fill amounts\n matchedFillResults = calculateMatchedFillResults(\n leftOrder,\n rightOrder,\n leftOrderInfo.orderTakerAssetFilledAmount,\n rightOrderInfo.orderTakerAssetFilledAmount\n );\n\n // Validate fill contexts\n assertValidFill(\n leftOrder,\n leftOrderInfo,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.makerAssetFilledAmount\n );\n assertValidFill(\n rightOrder,\n rightOrderInfo,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n \n // Update exchange state\n updateFilledState(\n leftOrder,\n takerAddress,\n leftOrderInfo.orderHash,\n leftOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.left\n );\n updateFilledState(\n rightOrder,\n takerAddress,\n rightOrderInfo.orderHash,\n rightOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.right\n );\n\n // Settle matched orders. Succeeds or throws.\n settleMatchedOrders(\n leftOrder,\n rightOrder,\n takerAddress,\n matchedFillResults\n );\n\n return matchedFillResults;\n }\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure\n {\n // Make sure there is a profitable spread.\n // There is a profitable spread iff the cost per unit bought (OrderA.MakerAmount/OrderA.TakerAmount) for each order is greater\n // than the profit per unit sold of the matched order (OrderB.TakerAmount/OrderB.MakerAmount).\n // This is satisfied by the equations below:\n // / >= / \n // AND\n // / >= / \n // These equations can be combined to get the following:\n require(\n safeMul(leftOrder.makerAssetAmount, rightOrder.makerAssetAmount) >=\n safeMul(leftOrder.takerAssetAmount, rightOrder.takerAssetAmount),\n \"NEGATIVE_SPREAD_REQUIRED\"\n );\n }\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // Derive maker asset amounts for left & right orders, given store taker assert amounts\n uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);\n uint256 leftMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n leftTakerAssetAmountRemaining\n );\n uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);\n uint256 rightMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n rightOrder.makerAssetAmount,\n rightOrder.takerAssetAmount,\n rightTakerAssetAmountRemaining\n );\n\n // Calculate fill results for maker and taker assets: at least one order will be fully filled.\n // The maximum amount the left maker can buy is `leftTakerAssetAmountRemaining`\n // The maximum amount the right maker can sell is `rightMakerAssetAmountRemaining`\n // We have two distinct cases for calculating the fill results:\n // Case 1.\n // If the left maker can buy more than the right maker can sell, then only the right order is fully filled.\n // If the left maker can buy exactly what the right maker can sell, then both orders are fully filled.\n // Case 2.\n // If the left maker cannot buy more than the right maker can sell, then only the left order is fully filled.\n if (leftTakerAssetAmountRemaining >= rightMakerAssetAmountRemaining) {\n // Case 1: Right order is fully filled\n matchedFillResults.right.makerAssetFilledAmount = rightMakerAssetAmountRemaining;\n matchedFillResults.right.takerAssetFilledAmount = rightTakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = matchedFillResults.right.makerAssetFilledAmount;\n // Round down to ensure the maker's exchange rate does not exceed the price specified by the order. \n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.left.makerAssetFilledAmount = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n matchedFillResults.left.takerAssetFilledAmount\n );\n } else {\n // Case 2: Left order is fully filled\n matchedFillResults.left.makerAssetFilledAmount = leftMakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = leftTakerAssetAmountRemaining;\n matchedFillResults.right.makerAssetFilledAmount = matchedFillResults.left.takerAssetFilledAmount;\n // Round up to ensure the maker's exchange rate does not exceed the price specified by the order.\n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.right.takerAssetFilledAmount = safeGetPartialAmountCeil(\n rightOrder.takerAssetAmount,\n rightOrder.makerAssetAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n }\n\n // Calculate amount given to taker\n matchedFillResults.leftMakerAssetSpreadAmount = safeSub(\n matchedFillResults.left.makerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount\n );\n\n // Compute fees for left order\n matchedFillResults.left.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.makerAssetFilledAmount,\n leftOrder.makerAssetAmount,\n leftOrder.makerFee\n );\n matchedFillResults.left.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.takerAssetFilledAmount,\n leftOrder.takerAssetAmount,\n leftOrder.takerFee\n );\n\n // Compute fees for right order\n matchedFillResults.right.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.makerAssetFilledAmount,\n rightOrder.makerAssetAmount,\n rightOrder.makerFee\n );\n matchedFillResults.right.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.takerAssetFilledAmount,\n rightOrder.takerAssetAmount,\n rightOrder.takerFee\n );\n\n // Return fill results\n return matchedFillResults;\n }\n\n /// @dev Settles matched order by transferring appropriate funds between order makers, taker, and fee recipient.\n /// @param leftOrder First matched order.\n /// @param rightOrder Second matched order.\n /// @param takerAddress Address that matched the orders. The taker receives the spread between orders as profit.\n /// @param matchedFillResults Struct holding amounts to transfer between makers, taker, and fee recipients.\n function settleMatchedOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n address takerAddress,\n LibFillResults.MatchedFillResults memory matchedFillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n // Order makers and taker\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n rightOrder.makerAddress,\n matchedFillResults.right.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n rightOrder.makerAssetData,\n rightOrder.makerAddress,\n leftOrder.makerAddress,\n matchedFillResults.left.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n takerAddress,\n matchedFillResults.leftMakerAssetSpreadAmount\n );\n\n // Maker fees\n dispatchTransferFrom(\n zrxAssetData,\n leftOrder.makerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n rightOrder.makerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.makerFeePaid\n );\n\n // Taker fees\n if (leftOrder.feeRecipientAddress == rightOrder.feeRecipientAddress) {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n safeAdd(\n matchedFillResults.left.takerFeePaid,\n matchedFillResults.right.takerFeePaid\n )\n );\n } else {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.takerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.takerFeePaid\n );\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./interfaces/IWallet.sol\";\nimport \"./interfaces/IValidator.sol\";\n\n\ncontract MixinSignatureValidator is\n ReentrancyGuard,\n MSignatureValidator,\n MTransactions\n{\n using LibBytes for bytes;\n \n // Mapping of hash => signer => signed\n mapping (bytes32 => mapping (address => bool)) public preSigned;\n\n // Mapping of signer => validator => approved\n mapping (address => mapping (address => bool)) public allowedValidators;\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n {\n if (signerAddress != msg.sender) {\n require(\n isValidSignature(\n hash,\n signerAddress,\n signature\n ),\n \"INVALID_SIGNATURE\"\n );\n }\n preSigned[hash][signerAddress] = true;\n }\n\n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external\n nonReentrant\n {\n address signerAddress = getCurrentContextAddress();\n allowedValidators[signerAddress][validatorAddress] = approval;\n emit SignatureValidatorApproval(\n signerAddress,\n validatorAddress,\n approval\n );\n }\n\n /// @dev Verifies that a hash has been signed by the given signer.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid)\n {\n require(\n signature.length > 0,\n \"LENGTH_GREATER_THAN_0_REQUIRED\"\n );\n\n // Pop last byte off of signature byte array.\n uint8 signatureTypeRaw = uint8(signature.popLastByte());\n\n // Ensure signature is supported\n require(\n signatureTypeRaw < uint8(SignatureType.NSignatureTypes),\n \"SIGNATURE_UNSUPPORTED\"\n );\n\n SignatureType signatureType = SignatureType(signatureTypeRaw);\n\n // Variables are not scoped in Solidity.\n uint8 v;\n bytes32 r;\n bytes32 s;\n address recovered;\n\n // Always illegal signature.\n // This is always an implicit option since a signer can create a\n // signature array with invalid type or length. We may as well make\n // it an explicit option. This aids testing and analysis. It is\n // also the initialization value for the enum type.\n if (signatureType == SignatureType.Illegal) {\n revert(\"SIGNATURE_ILLEGAL\");\n\n // Always invalid signature.\n // Like Illegal, this is always implicitly available and therefore\n // offered explicitly. It can be implicitly created by providing\n // a correctly formatted but incorrect signature.\n } else if (signatureType == SignatureType.Invalid) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = false;\n return isValid;\n\n // Signature using EIP712\n } else if (signatureType == SignatureType.EIP712) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n hash,\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signed using web3.eth_sign\n } else if (signatureType == SignatureType.EthSign) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n32\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signature verified by wallet contract.\n // If used with an order, the maker of the order is the wallet contract.\n } else if (signatureType == SignatureType.Wallet) {\n isValid = isValidWalletSignature(\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signature verified by validator contract.\n // If used with an order, the maker of the order can still be an EOA.\n // A signature using this type should be encoded as:\n // | Offset | Length | Contents |\n // | 0x00 | x | Signature to validate |\n // | 0x00 + x | 20 | Address of validator contract |\n // | 0x14 + x | 1 | Signature type is always \"\\x06\" |\n } else if (signatureType == SignatureType.Validator) {\n // Pop last 20 bytes off of signature byte array.\n address validatorAddress = signature.popLast20Bytes();\n \n // Ensure signer has approved validator.\n if (!allowedValidators[signerAddress][validatorAddress]) {\n return false;\n }\n isValid = isValidValidatorSignature(\n validatorAddress,\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signer signed hash previously using the preSign function.\n } else if (signatureType == SignatureType.PreSigned) {\n isValid = preSigned[hash][signerAddress];\n return isValid;\n }\n\n // Anything else is illegal (We do not return false because\n // the signature may actually be valid, just not in a format\n // that we currently support. In this case returning false\n // may lead the caller to incorrectly believe that the\n // signature was invalid.)\n revert(\"SIGNATURE_UNSUPPORTED\");\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if signature is valid for given wallet..\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IWallet(walletAddress).isValidSignature.selector,\n hash,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n walletAddress, // address of Wallet contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"WALLET_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000c57414c4c45545f4552524f5200000000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IValidator(signerAddress).isValidSignature.selector,\n hash,\n signerAddress,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n validatorAddress, // address of Validator contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"VALIDATOR_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f56414c494441544f525f4552524f5200000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n}\n", + "2.0.0/protocol/Exchange/MixinTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"./libs/LibExchangeErrors.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./libs/LibEIP712.sol\";\n\n\ncontract MixinTransactions is\n LibEIP712,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of transaction hash => executed\n // This prevents transactions from being executed more than once.\n mapping (bytes32 => bool) public transactions;\n\n // Address of current transaction signer\n address public currentContextAddress;\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external\n {\n // Prevent reentrancy\n require(\n currentContextAddress == address(0),\n \"REENTRANCY_ILLEGAL\"\n );\n\n bytes32 transactionHash = hashEIP712Message(hashZeroExTransaction(\n salt,\n signerAddress,\n data\n ));\n\n // Validate transaction has not been executed\n require(\n !transactions[transactionHash],\n \"INVALID_TX_HASH\"\n );\n\n // Transaction always valid if signer is sender of transaction\n if (signerAddress != msg.sender) {\n // Validate signature\n require(\n isValidSignature(\n transactionHash,\n signerAddress,\n signature\n ),\n \"INVALID_TX_SIGNATURE\"\n );\n\n // Set the current transaction signer\n currentContextAddress = signerAddress;\n }\n\n // Execute transaction\n transactions[transactionHash] = true;\n require(\n address(this).delegatecall(data),\n \"FAILED_EXECUTION\"\n );\n\n // Reset current transaction signer if it was previously updated\n if (signerAddress != msg.sender) {\n currentContextAddress = address(0);\n }\n }\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;\n bytes32 dataHash = keccak256(data);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,\n // salt,\n // bytes32(signerAddress),\n // keccak256(data)\n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, schemaHash) // hash of schema\n mstore(add(memPtr, 32), salt) // salt\n mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff)) // signerAddress\n mstore(add(memPtr, 96), dataHash) // hash of data\n\n // Compute hash\n result := keccak256(memPtr, 128)\n }\n return result;\n }\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address)\n {\n address currentContextAddress_ = currentContextAddress;\n address contextAddress = currentContextAddress_ == address(0) ? msg.sender : currentContextAddress_;\n return contextAddress;\n }\n}\n", + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibAbiEncoder.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MWrapperFunctions.sol\";\n\n\ncontract MixinWrapperFunctions is\n ReentrancyGuard,\n LibMath,\n LibFillResults,\n LibAbiEncoder,\n MExchangeCore,\n MWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrKillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n // Delegate to `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := delegatecall(\n gas, // forward all gas\n address, // call address of this contract\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrKillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n \n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public\n nonReentrant\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n cancelOrderInternal(orders[i]);\n }\n }\n\n /// @dev Fetches information for all passed in orders.\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n LibOrder.OrderInfo[] memory ordersInfo = new LibOrder.OrderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n ordersInfo[i] = getOrderInfo(orders[i]);\n }\n return ordersInfo;\n }\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n require(\n fillResults.takerAssetFilledAmount == takerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return fillResults;\n }\n}\n", + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssetProxyDispatcher {\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external;\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./IExchangeCore.sol\";\nimport \"./IMatchOrders.sol\";\nimport \"./ISignatureValidator.sol\";\nimport \"./ITransactions.sol\";\nimport \"./IAssetProxyDispatcher.sol\";\nimport \"./IWrapperFunctions.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract IExchange is\n IExchangeCore,\n IMatchOrders,\n ISignatureValidator,\n ITransactions,\n IAssetProxyDispatcher,\n IWrapperFunctions\n{}\n", + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IExchangeCore {\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external;\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrder(LibOrder.Order memory order)\n public;\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(LibOrder.Order memory order)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IMatchOrders {\n\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ISignatureValidator {\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external;\n \n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external;\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address of signer.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\n\ncontract ITransactions {\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external;\n}\n", + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IValidator {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IWallet {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IWrapperFunctions {\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public;\n\n /// @dev Fetches information for all passed in orders\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory);\n}\n", + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./LibOrder.sol\";\n\n\ncontract LibAbiEncoder {\n\n /// @dev ABI encodes calldata for `fillOrder`.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return ABI encoded calldata for `fillOrder`.\n function abiEncodeFillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n pure\n returns (bytes memory fillOrderCalldata)\n {\n // We need to call MExchangeCore.fillOrder using a delegatecall in\n // assembly so that we can intercept a call that throws. For this, we\n // need the input encoded in memory in the Ethereum ABIv2 format [1].\n\n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0x00 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 0x00 | | 1. offset to order (*) |\n // | | 0x20 | | 2. takerAssetFillAmount |\n // | | 0x40 | | 3. offset to signature (*) |\n // | Data | | 12 * 32 | order: |\n // | | 0x000 | | 1. senderAddress |\n // | | 0x020 | | 2. makerAddress |\n // | | 0x040 | | 3. takerAddress |\n // | | 0x060 | | 4. feeRecipientAddress |\n // | | 0x080 | | 5. makerAssetAmount |\n // | | 0x0A0 | | 6. takerAssetAmount |\n // | | 0x0C0 | | 7. makerFeeAmount |\n // | | 0x0E0 | | 8. takerFeeAmount |\n // | | 0x100 | | 9. expirationTimeSeconds |\n // | | 0x120 | | 10. salt |\n // | | 0x140 | | 11. Offset to makerAssetData (*) |\n // | | 0x160 | | 12. Offset to takerAssetData (*) |\n // | | 0x180 | 32 | makerAssetData Length |\n // | | 0x1A0 | ** | makerAssetData Contents |\n // | | 0x1C0 | 32 | takerAssetData Length |\n // | | 0x1E0 | ** | takerAssetData Contents |\n // | | 0x200 | 32 | signature Length |\n // | | 0x220 | ** | signature Contents |\n\n // * Offsets are calculated from the beginning of the current area: Header, Params, Data:\n // An offset stored in the Params area is calculated from the beginning of the Params section.\n // An offset stored in the Data area is calculated from the beginning of the Data section.\n\n // ** The length of dynamic array contents are stored in the field immediately preceeding the contents.\n\n // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html\n\n assembly {\n\n // Areas below may use the following variables:\n // 1. Start -- Start of this area in memory\n // 2. End -- End of this area in memory. This value may\n // be precomputed (before writing contents),\n // or it may be computed as contents are written.\n // 3. Offset -- Current offset into area. If an area's End\n // is precomputed, this variable tracks the\n // offsets of contents as they are written.\n\n /////// Setup Header Area ///////\n // Load free memory pointer\n fillOrderCalldata := mload(0x40)\n // bytes4(keccak256(\"fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)\"))\n // = 0xb4be83d5\n // Leave 0x20 bytes to store the length\n mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000)\n let headerAreaEnd := add(fillOrderCalldata, 0x24)\n\n /////// Setup Params Area ///////\n // This area is preallocated and written to later.\n // This is because we need to fill in offsets that have not yet been calculated.\n let paramsAreaStart := headerAreaEnd\n let paramsAreaEnd := add(paramsAreaStart, 0x60)\n let paramsAreaOffset := paramsAreaStart\n\n /////// Setup Data Area ///////\n let dataAreaStart := paramsAreaEnd\n let dataAreaEnd := dataAreaStart\n\n // Offset from the source data we're reading from\n let sourceOffset := order\n // arrayLenBytes and arrayLenWords track the length of a dynamically-allocated bytes array.\n let arrayLenBytes := 0\n let arrayLenWords := 0\n\n /////// Write order Struct ///////\n // Write memory location of Order, relative to the start of the\n // parameter list, then increment the paramsAreaOffset respectively.\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n // Write values for each field in the order\n // It would be nice to use a loop, but we save on gas by writing\n // the stores sequentially.\n mstore(dataAreaEnd, mload(sourceOffset)) // makerAddress\n mstore(add(dataAreaEnd, 0x20), mload(add(sourceOffset, 0x20))) // takerAddress\n mstore(add(dataAreaEnd, 0x40), mload(add(sourceOffset, 0x40))) // feeRecipientAddress\n mstore(add(dataAreaEnd, 0x60), mload(add(sourceOffset, 0x60))) // senderAddress\n mstore(add(dataAreaEnd, 0x80), mload(add(sourceOffset, 0x80))) // makerAssetAmount\n mstore(add(dataAreaEnd, 0xA0), mload(add(sourceOffset, 0xA0))) // takerAssetAmount\n mstore(add(dataAreaEnd, 0xC0), mload(add(sourceOffset, 0xC0))) // makerFeeAmount\n mstore(add(dataAreaEnd, 0xE0), mload(add(sourceOffset, 0xE0))) // takerFeeAmount\n mstore(add(dataAreaEnd, 0x100), mload(add(sourceOffset, 0x100))) // expirationTimeSeconds\n mstore(add(dataAreaEnd, 0x120), mload(add(sourceOffset, 0x120))) // salt\n mstore(add(dataAreaEnd, 0x140), mload(add(sourceOffset, 0x140))) // Offset to makerAssetData\n mstore(add(dataAreaEnd, 0x160), mload(add(sourceOffset, 0x160))) // Offset to takerAssetData\n dataAreaEnd := add(dataAreaEnd, 0x180)\n sourceOffset := add(sourceOffset, 0x180)\n\n // Write offset to \n mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x140)) // makerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Write offset to \n mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x160)) // takerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n /////// Write takerAssetFillAmount ///////\n mstore(paramsAreaOffset, takerAssetFillAmount)\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n /////// Write signature ///////\n // Write offset to paramsArea\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n\n // Calculate length of signature\n sourceOffset := signature\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of signature\n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of signature\n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Set length of calldata\n mstore(fillOrderCalldata, sub(dataAreaEnd, add(fillOrderCalldata, 0x20)))\n\n // Increment free memory pointer\n mstore(0x40, dataAreaEnd)\n }\n\n return fillOrderCalldata;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\n// solhint-disable max-line-length\ncontract LibConstants {\n \n // Asset data for ZRX token. Used for fee transfers.\n // @TODO: Hardcode constant when we deploy. Currently \n // not constant to make testing easier.\n\n // The proxyId for ZRX_ASSET_DATA is bytes4(keccak256(\"ERC20Token(address)\")) = 0xf47261b0\n \n // Kovan ZRX address is 0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570.\n // The ABI encoded proxyId and address is 0xf47261b00000000000000000000000006ff6c0ff1d68b964901f986d4c9fa3ac68346570\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x6f\\xf6\\xc0\\xff\\x1d\\x68\\xb9\\x64\\x90\\x1f\\x98\\x6d\\x4c\\x9f\\xa3\\xac\\x68\\x34\\x65\\x70\";\n \n // Mainnet ZRX address is 0xe41d2489571d322189246dafa5ebde1f4699f498.\n // The ABI encoded proxyId and address is 0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\n bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xe4\\x1d\\x24\\x89\\x57\\x1d\\x32\\x21\\x89\\x24\\x6d\\xaf\\xa5\\xeb\\xde\\x1f\\x46\\x99\\xf4\\x98\";\n}\n// solhint-enable max-line-length\n", + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract LibEIP712 {\n\n // EIP191 header for EIP712 prefix\n string constant internal EIP191_HEADER = \"\\x19\\x01\";\n\n // EIP712 Domain Name value\n string constant internal EIP712_DOMAIN_NAME = \"0x Protocol\";\n\n // EIP712 Domain Version value\n string constant internal EIP712_DOMAIN_VERSION = \"2\";\n\n // Hash of the EIP712 Domain Separator Schema\n bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"EIP712Domain(\",\n \"string name,\",\n \"string version,\",\n \"address verifyingContract\",\n \")\"\n ));\n\n // Hash of the EIP712 Domain Separator data\n // solhint-disable-next-line var-name-mixedcase\n bytes32 public EIP712_DOMAIN_HASH;\n\n constructor ()\n public\n {\n EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(\n EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,\n keccak256(bytes(EIP712_DOMAIN_NAME)),\n keccak256(bytes(EIP712_DOMAIN_VERSION)),\n bytes32(address(this))\n ));\n }\n\n /// @dev Calculates EIP712 encoding for a hash struct in this EIP712 Domain.\n /// @param hashStruct The EIP712 hash struct.\n /// @return EIP712 hash applied to this EIP712 Domain.\n function hashEIP712Message(bytes32 hashStruct)\n internal\n view\n returns (bytes32 result)\n {\n bytes32 eip712DomainHash = EIP712_DOMAIN_HASH;\n\n // Assembly for more efficient computing:\n // keccak256(abi.encodePacked(\n // EIP191_HEADER,\n // EIP712_DOMAIN_HASH,\n // hashStruct \n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, 0x1901000000000000000000000000000000000000000000000000000000000000) // EIP191 header\n mstore(add(memPtr, 2), eip712DomainHash) // EIP712 domain hash\n mstore(add(memPtr, 34), hashStruct) // Hash of struct\n\n // Compute hash\n result := keccak256(memPtr, 66)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity 0.4.24;\n\n\n/// @dev This contract documents the revert reasons used in the Exchange contract.\n/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons.\ncontract LibExchangeErrors {\n\n /// Order validation errors ///\n string constant ORDER_UNFILLABLE = \"ORDER_UNFILLABLE\"; // Order cannot be filled.\n string constant INVALID_MAKER = \"INVALID_MAKER\"; // Invalid makerAddress.\n string constant INVALID_TAKER = \"INVALID_TAKER\"; // Invalid takerAddress.\n string constant INVALID_SENDER = \"INVALID_SENDER\"; // Invalid `msg.sender`.\n string constant INVALID_ORDER_SIGNATURE = \"INVALID_ORDER_SIGNATURE\"; // Signature validation failed. \n \n /// fillOrder validation errors ///\n string constant INVALID_TAKER_AMOUNT = \"INVALID_TAKER_AMOUNT\"; // takerAssetFillAmount cannot equal 0.\n string constant ROUNDING_ERROR = \"ROUNDING_ERROR\"; // Rounding error greater than 0.1% of takerAssetFillAmount. \n \n /// Signature validation errors ///\n string constant INVALID_SIGNATURE = \"INVALID_SIGNATURE\"; // Signature validation failed. \n string constant SIGNATURE_ILLEGAL = \"SIGNATURE_ILLEGAL\"; // Signature type is illegal.\n string constant SIGNATURE_UNSUPPORTED = \"SIGNATURE_UNSUPPORTED\"; // Signature type unsupported.\n \n /// cancelOrdersUptTo errors ///\n string constant INVALID_NEW_ORDER_EPOCH = \"INVALID_NEW_ORDER_EPOCH\"; // Specified salt must be greater than or equal to existing orderEpoch.\n\n /// fillOrKillOrder errors ///\n string constant COMPLETE_FILL_FAILED = \"COMPLETE_FILL_FAILED\"; // Desired takerAssetFillAmount could not be completely filled. \n\n /// matchOrders errors ///\n string constant NEGATIVE_SPREAD_REQUIRED = \"NEGATIVE_SPREAD_REQUIRED\"; // Matched orders must have a negative spread.\n\n /// Transaction errors ///\n string constant REENTRANCY_ILLEGAL = \"REENTRANCY_ILLEGAL\"; // Recursive reentrancy is not allowed. \n string constant INVALID_TX_HASH = \"INVALID_TX_HASH\"; // Transaction has already been executed. \n string constant INVALID_TX_SIGNATURE = \"INVALID_TX_SIGNATURE\"; // Signature validation failed. \n string constant FAILED_EXECUTION = \"FAILED_EXECUTION\"; // Transaction execution failed. \n \n /// registerAssetProxy errors ///\n string constant ASSET_PROXY_ALREADY_EXISTS = \"ASSET_PROXY_ALREADY_EXISTS\"; // AssetProxy with same id already exists.\n\n /// dispatchTransferFrom errors ///\n string constant ASSET_PROXY_DOES_NOT_EXIST = \"ASSET_PROXY_DOES_NOT_EXIST\"; // No assetProxy registered at given id.\n string constant TRANSFER_FAILED = \"TRANSFER_FAILED\"; // Asset transfer unsuccesful.\n\n /// Length validation errors ///\n string constant LENGTH_GREATER_THAN_0_REQUIRED = \"LENGTH_GREATER_THAN_0_REQUIRED\"; // Byte array must have a length greater than 0.\n string constant LENGTH_GREATER_THAN_3_REQUIRED = \"LENGTH_GREATER_THAN_3_REQUIRED\"; // Byte array must have a length greater than 3.\n string constant LENGTH_0_REQUIRED = \"LENGTH_0_REQUIRED\"; // Byte array must have a length of 0.\n string constant LENGTH_65_REQUIRED = \"LENGTH_65_REQUIRED\"; // Byte array must have a length of 65.\n}\n", + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibFillResults is\n SafeMath\n{\n struct FillResults {\n uint256 makerAssetFilledAmount; // Total amount of makerAsset(s) filled.\n uint256 takerAssetFilledAmount; // Total amount of takerAsset(s) filled.\n uint256 makerFeePaid; // Total amount of ZRX paid by maker(s) to feeRecipient(s).\n uint256 takerFeePaid; // Total amount of ZRX paid by taker to feeRecipients(s).\n }\n\n struct MatchedFillResults {\n FillResults left; // Amounts filled and fees paid of left order.\n FillResults right; // Amounts filled and fees paid of right order.\n uint256 leftMakerAssetSpreadAmount; // Spread between price of left and right order, denominated in the left order's makerAsset, paid to taker.\n }\n\n /// @dev Adds properties of both FillResults instances.\n /// Modifies the first FillResults instance specified.\n /// @param totalFillResults Fill results instance that will be added onto.\n /// @param singleFillResults Fill results instance that will be added to totalFillResults.\n function addFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)\n internal\n pure\n {\n totalFillResults.makerAssetFilledAmount = safeAdd(totalFillResults.makerAssetFilledAmount, singleFillResults.makerAssetFilledAmount);\n totalFillResults.takerAssetFilledAmount = safeAdd(totalFillResults.takerAssetFilledAmount, singleFillResults.takerAssetFilledAmount);\n totalFillResults.makerFeePaid = safeAdd(totalFillResults.makerFeePaid, singleFillResults.makerFeePaid);\n totalFillResults.takerFeePaid = safeAdd(totalFillResults.takerFeePaid, singleFillResults.takerFeePaid);\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibMath.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibMath is\n SafeMath\n{\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function safeGetPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorFloor(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function safeGetPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorCeil(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function getPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function getPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // The absolute rounding error is the difference between the rounded\n // value and the ideal value. The relative rounding error is the\n // absolute rounding error divided by the absolute value of the\n // ideal value. This is undefined when the ideal value is zero.\n //\n // The ideal value is `numerator * target / denominator`.\n // Let's call `numerator * target % denominator` the remainder.\n // The absolute error is `remainder / denominator`.\n //\n // When the ideal value is zero, we require the absolute error to\n // be zero. Fortunately, this is always the case. The ideal value is\n // zero iff `numerator == 0` and/or `target == 0`. In this case the\n // remainder and absolute error are also zero. \n if (target == 0 || numerator == 0) {\n return false;\n }\n \n // Otherwise, we want the relative rounding error to be strictly\n // less than 0.1%.\n // The relative error is `remainder / (numerator * target)`.\n // We want the relative error less than 1 / 1000:\n // remainder / (numerator * denominator) < 1 / 1000\n // or equivalently:\n // 1000 * remainder < numerator * target\n // so we have a rounding error iff:\n // 1000 * remainder >= numerator * target\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding up.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // See the comments in `isRoundingError`.\n if (target == 0 || numerator == 0) {\n // When either is zero, the ideal value and rounded value are zero\n // and there is no rounding error. (Although the relative error\n // is undefined.)\n return false;\n }\n // Compute remainder as before\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n remainder = safeSub(denominator, remainder) % denominator;\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibOrder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./LibEIP712.sol\";\n\n\ncontract LibOrder is\n LibEIP712\n{\n // Hash for the EIP712 Order Schema\n bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"Order(\",\n \"address makerAddress,\",\n \"address takerAddress,\",\n \"address feeRecipientAddress,\",\n \"address senderAddress,\",\n \"uint256 makerAssetAmount,\",\n \"uint256 takerAssetAmount,\",\n \"uint256 makerFee,\",\n \"uint256 takerFee,\",\n \"uint256 expirationTimeSeconds,\",\n \"uint256 salt,\",\n \"bytes makerAssetData,\",\n \"bytes takerAssetData\",\n \")\"\n ));\n\n // A valid order remains fillable until it is expired, fully filled, or cancelled.\n // An order's state is unaffected by external factors, like account balances.\n enum OrderStatus {\n INVALID, // Default value\n INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount\n INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount\n FILLABLE, // Order is fillable\n EXPIRED, // Order has already expired\n FULLY_FILLED, // Order is fully filled\n CANCELLED // Order has been cancelled\n }\n\n // solhint-disable max-line-length\n struct Order {\n address makerAddress; // Address that created the order. \n address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order. \n address feeRecipientAddress; // Address that will recieve fees when order is filled. \n address senderAddress; // Address that is allowed to call Exchange contract methods that affect this order. If set to 0, any address is allowed to call these methods.\n uint256 makerAssetAmount; // Amount of makerAsset being offered by maker. Must be greater than 0. \n uint256 takerAssetAmount; // Amount of takerAsset being bid on by maker. Must be greater than 0. \n uint256 makerFee; // Amount of ZRX paid to feeRecipient by maker when order is filled. If set to 0, no transfer of ZRX from maker to feeRecipient will be attempted.\n uint256 takerFee; // Amount of ZRX paid to feeRecipient by taker when order is filled. If set to 0, no transfer of ZRX from taker to feeRecipient will be attempted.\n uint256 expirationTimeSeconds; // Timestamp in seconds at which order expires. \n uint256 salt; // Arbitrary number to facilitate uniqueness of the order's hash. \n bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.\n bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.\n }\n // solhint-enable max-line-length\n\n struct OrderInfo {\n uint8 orderStatus; // Status that describes order's validity and fillability.\n bytes32 orderHash; // EIP712 hash of the order (see LibOrder.getOrderHash).\n uint256 orderTakerAssetFilledAmount; // Amount of order that has already been filled.\n }\n\n /// @dev Calculates Keccak-256 hash of the order.\n /// @param order The order structure.\n /// @return Keccak-256 EIP712 hash of the order.\n function getOrderHash(Order memory order)\n internal\n view\n returns (bytes32 orderHash)\n {\n orderHash = hashEIP712Message(hashOrder(order));\n return orderHash;\n }\n\n /// @dev Calculates EIP712 hash of the order.\n /// @param order The order structure.\n /// @return EIP712 hash of the order.\n function hashOrder(Order memory order)\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ORDER_SCHEMA_HASH;\n bytes32 makerAssetDataHash = keccak256(order.makerAssetData);\n bytes32 takerAssetDataHash = keccak256(order.takerAssetData);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ORDER_SCHEMA_HASH,\n // bytes32(order.makerAddress),\n // bytes32(order.takerAddress),\n // bytes32(order.feeRecipientAddress),\n // bytes32(order.senderAddress),\n // order.makerAssetAmount,\n // order.takerAssetAmount,\n // order.makerFee,\n // order.takerFee,\n // order.expirationTimeSeconds,\n // order.salt,\n // keccak256(order.makerAssetData),\n // keccak256(order.takerAssetData)\n // ));\n\n assembly {\n // Calculate memory addresses that will be swapped out before hashing\n let pos1 := sub(order, 32)\n let pos2 := add(order, 320)\n let pos3 := add(order, 352)\n\n // Backup\n let temp1 := mload(pos1)\n let temp2 := mload(pos2)\n let temp3 := mload(pos3)\n \n // Hash in place\n mstore(pos1, schemaHash)\n mstore(pos2, makerAssetDataHash)\n mstore(pos3, takerAssetDataHash)\n result := keccak256(pos1, 416)\n \n // Restore\n mstore(pos1, temp1)\n mstore(pos2, temp2)\n mstore(pos3, temp3)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssetProxyDispatcher.sol\";\n\n\ncontract MAssetProxyDispatcher is\n IAssetProxyDispatcher\n{\n // Logs registration of new asset proxy\n event AssetProxyRegistered(\n bytes4 id, // Id of new registered AssetProxy.\n address assetProxy // Address of new registered AssetProxy.\n );\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IExchangeCore.sol\";\n\n\ncontract MExchangeCore is\n IExchangeCore\n{\n // Fill event is emitted whenever an order is filled.\n event Fill(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that received fees.\n address takerAddress, // Address that filled the order.\n address senderAddress, // Address that called the Exchange contract (msg.sender).\n uint256 makerAssetFilledAmount, // Amount of makerAsset sold by maker and bought by taker. \n uint256 takerAssetFilledAmount, // Amount of takerAsset sold by taker and bought by maker.\n uint256 makerFeePaid, // Amount of ZRX paid to feeRecipient by maker.\n uint256 takerFeePaid, // Amount of ZRX paid to feeRecipient by taker.\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // Cancel event is emitted whenever an individual order is cancelled.\n event Cancel(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that would have recieved fees if order was filled. \n address senderAddress, // Address that called the Exchange contract (msg.sender).\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // CancelUpTo event is emitted whenever `cancelOrdersUpTo` is executed succesfully.\n event CancelUpTo(\n address indexed makerAddress, // Orders cancelled must have been created by this address.\n address indexed senderAddress, // Orders cancelled must have a `senderAddress` equal to this address.\n uint256 orderEpoch // Orders with specified makerAddress and senderAddress with a salt less than this value are considered cancelled.\n );\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrderInternal(LibOrder.Order memory order)\n internal;\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function updateFilledState(\n LibOrder.Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n LibFillResults.FillResults memory fillResults\n )\n internal;\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n LibOrder.Order memory order,\n bytes32 orderHash\n )\n internal;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo Status, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view;\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo\n )\n internal\n view;\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n LibOrder.Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.FillResults memory fillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IMatchOrders.sol\";\n\n\ncontract MMatchOrders is\n IMatchOrders\n{\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure;\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/ISignatureValidator.sol\";\n\n\ncontract MSignatureValidator is\n ISignatureValidator\n{\n event SignatureValidatorApproval(\n address indexed signerAddress, // Address that approves or disapproves a contract to verify signatures.\n address indexed validatorAddress, // Address of signature validator contract.\n bool approved // Approval or disapproval of validator contract.\n );\n\n // Allowed signature types.\n enum SignatureType {\n Illegal, // 0x00, default value\n Invalid, // 0x01\n EIP712, // 0x02\n EthSign, // 0x03\n Wallet, // 0x04\n Validator, // 0x05\n PreSigned, // 0x06\n NSignatureTypes // 0x07, number of signature types. Always leave at end.\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"../interfaces/ITransactions.sol\";\n\n\ncontract MTransactions is\n ITransactions\n{\n // Hash for the EIP712 ZeroEx Transaction Schema\n bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"ZeroExTransaction(\",\n \"uint256 salt,\",\n \"address signerAddress,\",\n \"bytes data\",\n \")\"\n ));\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result);\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address);\n}\n", + "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IWrapperFunctions.sol\";\n\n\ncontract MWrapperFunctions is \n IWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n}\n", + "2.0.0/tokens/ERC20Token/IERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n \n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n \n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", + "2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Token {\n\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(\n address indexed _owner,\n address indexed _approved,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(\n address indexed _owner,\n address indexed _operator,\n bool _approved\n );\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// perator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external;\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public;\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address);\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) \n public\n view\n returns (address);\n \n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool);\n}\n", + "2.0.0/tokens/EtherToken/IEtherToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/IERC20Token.sol\";\n\n\ncontract IEtherToken is\n IERC20Token\n{\n function deposit()\n public\n payable;\n \n function withdraw(uint256 amount)\n public;\n}\n", + "2.0.0/utils/LibBytes/LibBytes.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\nlibrary LibBytes {\n\n using LibBytes for bytes;\n\n /// @dev Gets the memory address for a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of byte array. This\n /// points to the header of the byte array which contains\n /// the length.\n function rawAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := input\n }\n return memoryAddress;\n }\n \n /// @dev Gets the memory address for the contents of a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of the contents of the byte array.\n function contentAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := add(input, 32)\n }\n return memoryAddress;\n }\n\n /// @dev Copies `length` bytes from memory location `source` to `dest`.\n /// @param dest memory address to copy bytes to.\n /// @param source memory address to copy bytes from.\n /// @param length number of bytes to copy.\n function memCopy(\n uint256 dest,\n uint256 source,\n uint256 length\n )\n internal\n pure\n {\n if (length < 32) {\n // Handle a partial word by reading destination and masking\n // off the bits we are interested in.\n // This correctly handles overlap, zero lengths and source == dest\n assembly {\n let mask := sub(exp(256, sub(32, length)), 1)\n let s := and(mload(source), not(mask))\n let d := and(mload(dest), mask)\n mstore(dest, or(s, d))\n }\n } else {\n // Skip the O(length) loop when source == dest.\n if (source == dest) {\n return;\n }\n\n // For large copies we copy whole words at a time. The final\n // word is aligned to the end of the range (instead of after the\n // previous) to handle partial words. So a copy will look like this:\n //\n // ####\n // ####\n // ####\n // ####\n //\n // We handle overlap in the source and destination range by\n // changing the copying direction. This prevents us from\n // overwriting parts of source that we still need to copy.\n //\n // This correctly handles source == dest\n //\n if (source > dest) {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because it\n // is easier to compare with in the loop, and these\n // are also the addresses we need for copying the\n // last bytes.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the last 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the last bytes in\n // source already due to overlap.\n let last := mload(sEnd)\n\n // Copy whole words front to back\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} lt(source, sEnd) {} {\n mstore(dest, mload(source))\n source := add(source, 32)\n dest := add(dest, 32)\n }\n \n // Write the last 32 bytes\n mstore(dEnd, last)\n }\n } else {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because those\n // are the starting points when copying a word at the end.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the first 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the first bytes in\n // source already due to overlap.\n let first := mload(source)\n\n // Copy whole words back to front\n // We use a signed comparisson here to allow dEnd to become\n // negative (happens when source and dest < 32). Valid\n // addresses in local memory will never be larger than\n // 2**255, so they can be safely re-interpreted as signed.\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} slt(dest, dEnd) {} {\n mstore(dEnd, mload(sEnd))\n sEnd := sub(sEnd, 32)\n dEnd := sub(dEnd, 32)\n }\n \n // Write the first 32 bytes\n mstore(dest, first)\n }\n }\n }\n }\n\n /// @dev Returns a slices from a byte array.\n /// @param b The byte array to take a slice from.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n function slice(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure and copy contents\n result = new bytes(to - from);\n memCopy(\n result.contentAddress(),\n b.contentAddress() + from,\n result.length\n );\n return result;\n }\n \n /// @dev Returns a slice from a byte array without preserving the input.\n /// @param b The byte array to take a slice from. Will be destroyed in the process.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n /// @dev When `from == 0`, the original array will match the slice. In other cases its state will be corrupted.\n function sliceDestructive(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure around [from, to) in-place.\n assembly {\n result := add(b, from)\n mstore(result, sub(to, from))\n }\n return result;\n }\n\n /// @dev Pops the last byte off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The byte that was popped off.\n function popLastByte(bytes memory b)\n internal\n pure\n returns (bytes1 result)\n {\n require(\n b.length > 0,\n \"GREATER_THAN_ZERO_LENGTH_REQUIRED\"\n );\n\n // Store last byte.\n result = b[b.length - 1];\n\n assembly {\n // Decrement length of byte array.\n let newLen := sub(mload(b), 1)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Pops the last 20 bytes off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The 20 byte address that was popped off.\n function popLast20Bytes(bytes memory b)\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= 20,\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Store last 20 bytes.\n result = readAddress(b, b.length - 20);\n\n assembly {\n // Subtract 20 from byte array length.\n let newLen := sub(mload(b), 20)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Tests equality of two byte arrays.\n /// @param lhs First byte array to compare.\n /// @param rhs Second byte array to compare.\n /// @return True if arrays are the same. False otherwise.\n function equals(\n bytes memory lhs,\n bytes memory rhs\n )\n internal\n pure\n returns (bool equal)\n {\n // Keccak gas cost is 30 + numWords * 6. This is a cheap way to compare.\n // We early exit on unequal lengths, but keccak would also correctly\n // handle this.\n return lhs.length == rhs.length && keccak256(lhs) == keccak256(rhs);\n }\n\n /// @dev Reads an address from a position in a byte array.\n /// @param b Byte array containing an address.\n /// @param index Index in byte array of address.\n /// @return address from byte array.\n function readAddress(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Read address from array memory\n assembly {\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 20-byte mask to obtain address\n result := and(mload(add(b, index)), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n return result;\n }\n\n /// @dev Writes an address into a specific position in a byte array.\n /// @param b Byte array to insert address into.\n /// @param index Index in byte array of address.\n /// @param input Address to put into byte array.\n function writeAddress(\n bytes memory b,\n uint256 index,\n address input\n )\n internal\n pure\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Store address into array memory\n assembly {\n // The address occupies 20 bytes and mstore stores 32 bytes.\n // First fetch the 32-byte word where we'll be storing the address, then\n // apply a mask so we have only the bytes in the word that the address will not occupy.\n // Then combine these bytes with the address and store the 32 bytes back to memory with mstore.\n\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 12-byte mask to obtain extra bytes occupying word of memory where we'll store the address\n let neighbors := and(\n mload(add(b, index)),\n 0xffffffffffffffffffffffff0000000000000000000000000000000000000000\n )\n \n // Make sure input address is clean.\n // (Solidity does not guarantee this)\n input := and(input, 0xffffffffffffffffffffffffffffffffffffffff)\n\n // Store the neighbors and address into memory\n mstore(add(b, index), xor(input, neighbors))\n }\n }\n\n /// @dev Reads a bytes32 value from a position in a byte array.\n /// @param b Byte array containing a bytes32 value.\n /// @param index Index in byte array of bytes32 value.\n /// @return bytes32 value from byte array.\n function readBytes32(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes32 result)\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n result := mload(add(b, index))\n }\n return result;\n }\n\n /// @dev Writes a bytes32 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes32 to put into byte array.\n function writeBytes32(\n bytes memory b,\n uint256 index,\n bytes32 input\n )\n internal\n pure\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n mstore(add(b, index), input)\n }\n }\n\n /// @dev Reads a uint256 value from a position in a byte array.\n /// @param b Byte array containing a uint256 value.\n /// @param index Index in byte array of uint256 value.\n /// @return uint256 value from byte array.\n function readUint256(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (uint256 result)\n {\n result = uint256(readBytes32(b, index));\n return result;\n }\n\n /// @dev Writes a uint256 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input uint256 to put into byte array.\n function writeUint256(\n bytes memory b,\n uint256 index,\n uint256 input\n )\n internal\n pure\n {\n writeBytes32(b, index, bytes32(input));\n }\n\n /// @dev Reads an unpadded bytes4 value from a position in a byte array.\n /// @param b Byte array containing a bytes4 value.\n /// @param index Index in byte array of bytes4 value.\n /// @return bytes4 value from byte array.\n function readBytes4(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes4 result)\n {\n require(\n b.length >= index + 4,\n \"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 32 byte length field\n index += 32;\n\n // Read the bytes4 from array memory\n assembly {\n result := mload(add(b, index))\n // Solidity does not require us to clean the trailing bytes.\n // We do it anyway\n result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)\n }\n return result;\n }\n\n /// @dev Reads nested bytes from a specific position.\n /// @dev NOTE: the returned value overlaps with the input value.\n /// Both should be treated as immutable.\n /// @param b Byte array containing nested bytes.\n /// @param index Index of nested bytes.\n /// @return result Nested bytes.\n function readBytesWithLength(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes memory result)\n {\n // Read length of nested bytes\n uint256 nestedBytesLength = readUint256(b, index);\n index += 32;\n\n // Assert length of is valid, given\n // length of nested bytes\n require(\n b.length >= index + nestedBytesLength,\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n \n // Return a pointer to the byte array as it exists inside `b`\n assembly {\n result := add(b, index)\n }\n return result;\n }\n\n /// @dev Inserts bytes at a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes to insert.\n function writeBytesWithLength(\n bytes memory b,\n uint256 index,\n bytes memory input\n )\n internal\n pure\n {\n // Assert length of is valid, given\n // length of input\n require(\n b.length >= index + 32 + input.length, // 32 bytes to store length\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n\n // Copy into \n memCopy(\n b.contentAddress() + index,\n input.rawAddress(), // includes length of \n input.length + 32 // +32 bytes to store length\n );\n }\n\n /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length.\n /// @param dest Byte array that will be overwritten with source bytes.\n /// @param source Byte array to copy onto dest bytes.\n function deepCopyBytes(\n bytes memory dest,\n bytes memory source\n )\n internal\n pure\n {\n uint256 sourceLen = source.length;\n // Dest length must be >= source length, or some bytes would not be copied.\n require(\n dest.length >= sourceLen,\n \"GREATER_OR_EQUAL_TO_SOURCE_BYTES_LENGTH_REQUIRED\"\n );\n memCopy(\n dest.contentAddress(),\n source.contentAddress(),\n sourceLen\n );\n }\n}\n", + "2.0.0/utils/Ownable/IOwnable.sol": "pragma solidity 0.4.24;\n\n\ncontract IOwnable {\n\n function transferOwnership(address newOwner)\n public;\n}\n", + "2.0.0/utils/Ownable/Ownable.sol": "pragma solidity 0.4.24;\n\nimport \"./IOwnable.sol\";\n\n\ncontract Ownable is\n IOwnable\n{\n address public owner;\n\n constructor ()\n public\n {\n owner = msg.sender;\n }\n\n modifier onlyOwner() {\n require(\n msg.sender == owner,\n \"ONLY_CONTRACT_OWNER\"\n );\n _;\n }\n\n function transferOwnership(address newOwner)\n public\n onlyOwner\n {\n if (newOwner != address(0)) {\n owner = newOwner;\n }\n }\n}\n", + "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ReentrancyGuard {\n\n // Locked state of mutex\n bool private locked = false;\n\n /// @dev Functions with this modifer cannot be reentered. The mutex will be locked\n /// before function execution and unlocked after.\n modifier nonReentrant() {\n // Ensure mutex is unlocked\n require(\n !locked,\n \"REENTRANCY_ILLEGAL\"\n );\n\n // Lock mutex before function call\n locked = true;\n\n // Perform function call\n _;\n\n // Unlock mutex after function call\n locked = false;\n }\n}\n", + "2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n\n function safeMul(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(\n c / a == b,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function safeDiv(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a / b;\n return c;\n }\n\n function safeSub(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n require(\n b <= a,\n \"UINT256_UNDERFLOW\"\n );\n return a - b;\n }\n\n function safeAdd(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a + b;\n require(\n c >= a,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function max64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n\n function max256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n}\n" + }, + "sourceTreeHashHex": "0xd4b411ae8c566bfc879b9880fcf5306a0b0b7051368f0c84ad27da6b5a6f0637", + "compiler": { + "name": "solc", + "version": "soljson-v0.4.24+commit.e67f0147.js", + "settings": { + "optimizer": { + "enabled": true, + "runs": 1000000 + }, + "outputSelection": { + "*": { + "*": [ + "abi", + "evm.bytecode.object", + "evm.bytecode.sourceMap", + "evm.deployedBytecode.object", + "evm.deployedBytecode.sourceMap" + ] + } + } + } + }, + "networks": { + "1": { + "address": "0x4f833a24e1f95d70f028921e27040ca56e09ab0b", + "links": {}, + "constructorArgs": "[]" + }, + "3": { + "address": "0x4530c0483a1633c7a1c97d2c53721caff2caaaaf", + "links": {}, + "constructorArgs": "[\"0xf47261b0000000000000000000000000ff67881f8d12f372d91baae9752eb3631ff0ed00\"]" + }, + "42": { + "address": "0x35dd2932454449b14cee11a94d3674a936d5d7b2", + "links": {}, + "constructorArgs": "[\"0xf47261b00000000000000000000000002002d3812f58e35f0ea1ffbf80a75a38c32175fa\"]" + }, + "50": { + "address": "0x48bacb9266a570d521063ef5dd96e61686dbe788", + "links": {}, + "constructorArgs": "[\"0xf47261b0000000000000000000000000871dd7c2b4b25e1aa18728e9d5f2af4c4e431f5c\"]" + } + } +} diff --git a/packages/migrations/artifacts/2.0.0/Forwarder.json b/packages/migrations/artifacts/2.0.0/Forwarder.json new file mode 100644 index 000000000..3879837e5 --- /dev/null +++ b/packages/migrations/artifacts/2.0.0/Forwarder.json @@ -0,0 +1,734 @@ +{ + "schemaVersion": "2.0.0", + "contractName": "Forwarder", + "compilerOutput": { + "abi": [ + { + "constant": false, + "inputs": [ + { + "components": [ + { + "name": "makerAddress", + "type": "address" + }, + { + "name": "takerAddress", + "type": "address" + }, + { + "name": "feeRecipientAddress", + "type": "address" + }, + { + "name": "senderAddress", + "type": "address" + }, + { + "name": "makerAssetAmount", + "type": "uint256" + }, + { + "name": "takerAssetAmount", + "type": "uint256" + }, + { + "name": "makerFee", + "type": "uint256" + }, + { + "name": "takerFee", + "type": "uint256" + }, + { + "name": "expirationTimeSeconds", + "type": "uint256" + }, + { + "name": "salt", + "type": "uint256" + }, + { + "name": "makerAssetData", + "type": "bytes" + }, + { + "name": "takerAssetData", + "type": "bytes" + } + ], + "name": "orders", + "type": "tuple[]" + }, + { + "name": "makerAssetFillAmount", + "type": "uint256" + }, + { + "name": "signatures", + "type": "bytes[]" + }, + { + "components": [ + { + "name": "makerAddress", + "type": "address" + }, + { + "name": "takerAddress", + "type": "address" + }, + { + "name": "feeRecipientAddress", + "type": "address" + }, + { + "name": "senderAddress", + "type": "address" + }, + { + "name": "makerAssetAmount", + "type": "uint256" + }, + { + "name": "takerAssetAmount", + "type": "uint256" + }, + { + "name": "makerFee", + "type": "uint256" + }, + { + "name": "takerFee", + "type": "uint256" + }, + { + "name": "expirationTimeSeconds", + "type": "uint256" + }, + { + "name": "salt", + "type": "uint256" + }, + { + "name": "makerAssetData", + "type": "bytes" + }, + { + "name": "takerAssetData", + "type": "bytes" + } + ], + "name": "feeOrders", + "type": "tuple[]" + }, + { + "name": "feeSignatures", + "type": "bytes[]" + }, + { + "name": "feePercentage", + "type": "uint256" + }, + { + "name": "feeRecipient", + "type": "address" + } + ], + "name": "marketBuyOrdersWithEth", + "outputs": [ + { + "components": [ + { + "name": "makerAssetFilledAmount", + "type": "uint256" + }, + { + "name": "takerAssetFilledAmount", + "type": "uint256" + }, + { + "name": "makerFeePaid", + "type": "uint256" + }, + { + "name": "takerFeePaid", + "type": "uint256" + } + ], + "name": "orderFillResults", + "type": "tuple" + }, + { + "components": [ + { + "name": "makerAssetFilledAmount", + "type": "uint256" + }, + { + "name": "takerAssetFilledAmount", + "type": "uint256" + }, + { + "name": "makerFeePaid", + "type": "uint256" + }, + { + "name": "takerFeePaid", + "type": "uint256" + } + ], + "name": "feeOrderFillResults", + "type": "tuple" + } + ], + "payable": true, + "stateMutability": "payable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "assetData", + "type": "bytes" + }, + { + "name": "amount", + "type": "uint256" + } + ], + "name": "withdrawAsset", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "owner", + "outputs": [ + { + "name": "", + "type": "address" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "components": [ + { + "name": "makerAddress", + "type": "address" + }, + { + "name": "takerAddress", + "type": "address" + }, + { + "name": "feeRecipientAddress", + "type": "address" + }, + { + "name": "senderAddress", + "type": "address" + }, + { + "name": "makerAssetAmount", + "type": "uint256" + }, + { + "name": "takerAssetAmount", + "type": "uint256" + }, + { + "name": "makerFee", + "type": "uint256" + }, + { + "name": "takerFee", + "type": "uint256" + }, + { + "name": "expirationTimeSeconds", + "type": "uint256" + }, + { + "name": "salt", + "type": "uint256" + }, + { + "name": "makerAssetData", + "type": "bytes" + }, + { + "name": "takerAssetData", + "type": "bytes" + } + ], + "name": "orders", + "type": "tuple[]" + }, + { + "name": "signatures", + "type": "bytes[]" + }, + { + "components": [ + { + "name": "makerAddress", 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+ "opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE CALLVALUE DUP1 ISZERO PUSH3 0x11 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x40 MLOAD PUSH3 0x2CDB CODESIZE SUB DUP1 PUSH3 0x2CDB DUP4 CODECOPY DUP2 ADD DUP1 PUSH1 0x40 MSTORE PUSH3 0x37 SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH3 0x51D JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD CALLER PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB NOT SWAP2 DUP3 AND OR DUP3 SSTORE PUSH1 0x1 DUP1 SLOAD SWAP1 SWAP2 AND PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB DUP7 AND OR SWAP1 SSTORE DUP3 MLOAD DUP5 SWAP1 DUP5 SWAP1 DUP5 SWAP1 DUP5 SWAP1 DUP2 SWAP1 PUSH3 0x7E SWAP1 PUSH1 0x4 SWAP1 PUSH1 0x20 DUP8 ADD SWAP1 PUSH3 0x3D0 JUMP JUMPDEST POP DUP3 MLOAD PUSH3 0x94 SWAP1 PUSH1 0x5 SWAP1 PUSH1 0x20 DUP7 ADD SWAP1 PUSH3 0x3D0 JUMP JUMPDEST POP PUSH3 0xB0 DUP4 PUSH1 0x10 PUSH5 0x100000000 PUSH3 0x18F6 PUSH3 0x36F DUP3 MUL OR DIV JUMP JUMPDEST SWAP2 POP PUSH3 0xCD DUP5 PUSH1 0x10 PUSH5 0x100000000 PUSH3 0x18F6 PUSH3 0x36F DUP3 MUL OR DIV JUMP JUMPDEST PUSH1 0x2 DUP1 SLOAD PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB SWAP5 DUP6 AND PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB NOT SWAP2 DUP3 AND OR SWAP1 SWAP2 SSTORE PUSH1 0x3 DUP1 SLOAD SWAP3 DUP6 AND SWAP3 SWAP1 SWAP2 AND SWAP2 SWAP1 SWAP2 OR SWAP1 SSTORE POP PUSH1 0x1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH32 0x4552433230546F6B656E28616464726573732900000000000000000000000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x13 ADD DUP2 KECCAK256 PUSH32 0x6070410800000000000000000000000000000000000000000000000000000000 DUP3 MSTORE SWAP2 SWAP1 SWAP3 AND SWAP5 POP PUSH4 0x60704108 SWAP4 POP PUSH3 0x173 SWAP3 POP SWAP1 PUSH1 0x4 ADD PUSH3 0x68E JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH3 0x18E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH3 0x1A3 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH3 0x1C9 SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH3 0x4F4 JUMP JUMPDEST SWAP1 POP PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB DUP2 AND ISZERO ISZERO PUSH3 0x219 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH3 0x210 SWAP1 PUSH3 0x6B0 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST PUSH1 0x2 SLOAD PUSH1 0x40 MLOAD PUSH32 0x95EA7B300000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB SWAP1 SWAP2 AND SWAP1 PUSH4 0x95EA7B3 SWAP1 PUSH3 0x268 SWAP1 DUP5 SWAP1 PUSH1 0x0 NOT SWAP1 PUSH1 0x4 ADD PUSH3 0x66F JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH3 0x283 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH3 0x298 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH3 0x2BE SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH3 0x5A1 JUMP JUMPDEST POP PUSH1 0x3 SLOAD PUSH1 0x40 MLOAD PUSH32 0x95EA7B300000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB SWAP1 SWAP2 AND SWAP1 PUSH4 0x95EA7B3 SWAP1 PUSH3 0x30E SWAP1 DUP5 SWAP1 PUSH1 0x0 NOT SWAP1 PUSH1 0x4 ADD PUSH3 0x66F JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH3 0x329 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH3 0x33E JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH3 0x364 SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH3 0x5A1 JUMP JUMPDEST POP POP POP POP POP PUSH3 0x77A JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x14 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH3 0x3B4 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH3 0x210 SWAP1 PUSH3 0x69E JUMP JUMPDEST POP PUSH1 0x14 DUP2 DUP4 ADD DUP2 ADD MLOAD SWAP2 ADD SWAP1 PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB AND JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST DUP3 DUP1 SLOAD PUSH1 0x1 DUP2 PUSH1 0x1 AND ISZERO PUSH2 0x100 MUL SUB AND PUSH1 0x2 SWAP1 DIV SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 PUSH1 0x1F ADD PUSH1 0x20 SWAP1 DIV DUP2 ADD SWAP3 DUP3 PUSH1 0x1F LT PUSH3 0x413 JUMPI DUP1 MLOAD PUSH1 0xFF NOT AND DUP4 DUP1 ADD OR DUP6 SSTORE PUSH3 0x443 JUMP JUMPDEST DUP3 DUP1 ADD PUSH1 0x1 ADD DUP6 SSTORE DUP3 ISZERO PUSH3 0x443 JUMPI SWAP2 DUP3 ADD JUMPDEST DUP3 DUP2 GT ISZERO PUSH3 0x443 JUMPI DUP3 MLOAD DUP3 SSTORE SWAP2 PUSH1 0x20 ADD SWAP2 SWAP1 PUSH1 0x1 ADD SWAP1 PUSH3 0x426 JUMP JUMPDEST POP PUSH3 0x451 SWAP3 SWAP2 POP PUSH3 0x455 JUMP JUMPDEST POP SWAP1 JUMP JUMPDEST PUSH3 0x472 SWAP2 SWAP1 JUMPDEST DUP1 DUP3 GT ISZERO PUSH3 0x451 JUMPI PUSH1 0x0 DUP2 SSTORE PUSH1 0x1 ADD PUSH3 0x45C JUMP JUMPDEST SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH3 0x483 DUP3 MLOAD PUSH3 0x711 JUMP JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH3 0x483 DUP3 MLOAD PUSH3 0x742 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH3 0x4AA JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 MLOAD PUSH3 0x4C1 PUSH3 0x4BB DUP3 PUSH3 0x6E9 JUMP JUMPDEST PUSH3 0x6C2 JUMP JUMPDEST SWAP2 POP DUP1 DUP3 MSTORE PUSH1 0x20 DUP4 ADD PUSH1 0x20 DUP4 ADD DUP6 DUP4 DUP4 ADD GT ISZERO PUSH3 0x4DE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH3 0x4EB DUP4 DUP3 DUP5 PUSH3 0x747 JUMP JUMPDEST POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH3 0x507 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH3 0x515 DUP5 DUP5 PUSH3 0x475 JUMP JUMPDEST SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x60 DUP5 DUP7 SUB SLT ISZERO PUSH3 0x533 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH3 0x541 DUP7 DUP7 PUSH3 0x475 JUMP JUMPDEST SWAP4 POP POP PUSH1 0x20 DUP5 ADD MLOAD PUSH1 0x1 PUSH1 0x40 PUSH1 0x2 EXP SUB DUP2 GT ISZERO PUSH3 0x55E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH3 0x56C DUP7 DUP3 DUP8 ADD PUSH3 0x498 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x40 DUP5 ADD MLOAD PUSH1 0x1 PUSH1 0x40 PUSH1 0x2 EXP SUB DUP2 GT ISZERO PUSH3 0x589 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH3 0x597 DUP7 DUP3 DUP8 ADD PUSH3 0x498 JUMP JUMPDEST SWAP2 POP POP SWAP3 POP SWAP3 POP SWAP3 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH3 0x5B4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH3 0x515 DUP5 DUP5 PUSH3 0x48A JUMP JUMPDEST PUSH3 0x5CD DUP2 PUSH3 0x711 JUMP JUMPDEST DUP3 MSTORE POP POP JUMP JUMPDEST PUSH3 0x5CD DUP2 PUSH3 0x71D JUMP JUMPDEST PUSH1 0x26 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F32305F4C454E4754485F5245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5155495245440000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x18 DUP2 MSTORE PUSH32 0x554E524547495354455245445F41535345545F50524F58590000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH3 0x5CD DUP2 PUSH3 0x472 JUMP JUMPDEST PUSH1 0x40 DUP2 ADD PUSH3 0x67F DUP3 DUP6 PUSH3 0x5C2 JUMP JUMPDEST PUSH3 0x483 PUSH1 0x20 DUP4 ADD DUP5 PUSH3 0x664 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH3 0x3CA DUP3 DUP5 PUSH3 0x5D3 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH3 0x3CA DUP2 PUSH3 0x5DE JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH3 0x3CA DUP2 PUSH3 0x634 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP2 DUP2 ADD PUSH1 0x1 PUSH1 0x40 PUSH1 0x2 EXP SUB DUP2 GT DUP3 DUP3 LT OR ISZERO PUSH3 0x6E1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x40 MSTORE SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1 PUSH1 0x40 PUSH1 0x2 EXP SUB DUP3 GT ISZERO PUSH3 0x700 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x20 PUSH1 0x1F SWAP2 SWAP1 SWAP2 ADD PUSH1 0x1F NOT AND ADD SWAP1 JUMP JUMPDEST PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB AND SWAP1 JUMP JUMPDEST PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND SWAP1 JUMP JUMPDEST ISZERO ISZERO SWAP1 JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH3 0x764 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH3 0x74A JUMP JUMPDEST DUP4 DUP2 GT ISZERO PUSH3 0x774 JUMPI PUSH1 0x0 DUP5 DUP5 ADD MSTORE JUMPDEST POP POP POP POP JUMP JUMPDEST PUSH2 0x2551 DUP1 PUSH3 0x78A PUSH1 0x0 CODECOPY PUSH1 0x0 RETURN STOP PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0x6C JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x18978E82 DUP2 EQ PUSH2 0xC8 JUMPI DUP1 PUSH4 0x630F1E6C EQ PUSH2 0xF2 JUMPI DUP1 PUSH4 0x8DA5CB5B EQ PUSH2 0x112 JUMPI DUP1 PUSH4 0x9395525C EQ PUSH2 0x134 JUMPI DUP1 PUSH4 0xF2FDE38B EQ PUSH2 0x147 JUMPI JUMPDEST PUSH1 0x2 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xC6 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2337 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST STOP JUMPDEST PUSH2 0xDB PUSH2 0xD6 CALLDATASIZE PUSH1 0x4 PUSH2 0x1DA0 JUMP JUMPDEST PUSH2 0x167 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xE9 SWAP3 SWAP2 SWAP1 PUSH2 0x2437 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xFE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xC6 PUSH2 0x10D CALLDATASIZE PUSH1 0x4 PUSH2 0x1E9B JUMP JUMPDEST PUSH2 0x2F7 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x11E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x127 PUSH2 0x388 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xE9 SWAP2 SWAP1 PUSH2 0x22E6 JUMP JUMPDEST PUSH2 0xDB PUSH2 0x142 CALLDATASIZE PUSH1 0x4 PUSH2 0x1CBA JUMP JUMPDEST PUSH2 0x3A4 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x153 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xC6 PUSH2 0x162 CALLDATASIZE PUSH1 0x4 PUSH2 0x1C94 JUMP JUMPDEST PUSH2 0x50A JUMP JUMPDEST PUSH2 0x16F PUSH2 0x19A9 JUMP JUMPDEST PUSH2 0x177 PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0x182 PUSH2 0x5BB JUMP JUMPDEST PUSH1 0x4 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x1F PUSH1 0x2 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH2 0x100 PUSH1 0x1 DUP9 AND ISZERO MUL ADD SWAP1 SWAP6 AND SWAP5 SWAP1 SWAP5 DIV SWAP4 DUP5 ADD DUP2 SWAP1 DIV DUP2 MUL DUP3 ADD DUP2 ADD SWAP1 SWAP3 MSTORE DUP3 DUP2 MSTORE PUSH2 0x25C SWAP4 SWAP1 SWAP3 SWAP1 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x22D JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x202 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x22D JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x210 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP DUP13 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x241 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x140 ADD MLOAD SWAP1 PUSH4 0xFFFFFFFF PUSH2 0x696 AND JUMP JUMPDEST ISZERO PUSH2 0x287 JUMPI PUSH2 0x26C DUP12 DUP12 DUP12 PUSH2 0x7C3 JUMP JUMPDEST SWAP4 POP PUSH2 0x280 DUP5 PUSH1 0x0 ADD MLOAD DUP6 PUSH1 0x60 ADD MLOAD PUSH2 0xACB JUMP JUMPDEST SWAP1 POP PUSH2 0x2AE JUMP JUMPDEST PUSH2 0x292 DUP12 DUP12 DUP12 PUSH2 0xB0D JUMP JUMPDEST SWAP4 POP DUP4 PUSH1 0x60 ADD MLOAD SWAP2 POP PUSH2 0x2A6 DUP9 DUP4 DUP10 PUSH2 0x7C3 JUMP JUMPDEST DUP5 MLOAD SWAP1 SWAP4 POP SWAP1 POP JUMPDEST PUSH2 0x2C2 DUP5 PUSH1 0x20 ADD MLOAD DUP5 PUSH1 0x20 ADD MLOAD DUP9 DUP9 PUSH2 0xD1F JUMP JUMPDEST PUSH2 0x2E9 DUP12 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x2D4 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x140 ADD MLOAD DUP3 PUSH2 0xF33 JUMP JUMPDEST POP POP SWAP8 POP SWAP8 SWAP6 POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x348 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23E7 JUMP JUMPDEST PUSH2 0x383 DUP4 DUP4 DUP1 DUP1 PUSH1 0x1F ADD PUSH1 0x20 DUP1 SWAP2 DIV MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP4 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP4 DUP4 DUP1 DUP3 DUP5 CALLDATACOPY POP DUP8 SWAP5 POP PUSH2 0xF33 SWAP4 POP POP POP POP JUMP JUMPDEST POP POP POP JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH2 0x3AC PUSH2 0x19A9 JUMP JUMPDEST PUSH2 0x3B4 PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH2 0x3C1 PUSH2 0x5BB JUMP JUMPDEST PUSH1 0x4 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x1F PUSH1 0x2 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH2 0x100 PUSH1 0x1 DUP9 AND ISZERO MUL ADD SWAP1 SWAP6 AND SWAP5 SWAP1 SWAP5 DIV SWAP4 DUP5 ADD DUP2 SWAP1 DIV DUP2 MUL DUP3 ADD DUP2 ADD SWAP1 SWAP3 MSTORE DUP3 DUP2 MSTORE PUSH2 0x441 SWAP4 SWAP1 SWAP3 SWAP1 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x22D JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x202 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x22D JUMP JUMPDEST ISZERO PUSH2 0x492 JUMPI PUSH2 0x46A PUSH8 0xDE0B6B3A7640000 PUSH2 0x464 PUSH8 0xDE0B6B3A7640000 DUP11 PUSH2 0x104F JUMP JUMPDEST CALLVALUE PUSH2 0x1099 JUMP JUMPDEST SWAP3 POP PUSH2 0x477 DUP12 DUP5 DUP13 PUSH2 0x10F1 JUMP JUMPDEST SWAP5 POP PUSH2 0x48B DUP6 PUSH1 0x0 ADD MLOAD DUP7 PUSH1 0x60 ADD MLOAD PUSH2 0xACB JUMP JUMPDEST SWAP1 POP PUSH2 0x4D6 JUMP JUMPDEST PUSH2 0x4AD PUSH8 0xD2F13F7789F0000 PUSH8 0xDE0B6B3A7640000 CALLVALUE PUSH2 0x1099 JUMP JUMPDEST SWAP3 POP PUSH2 0x4BA DUP12 DUP5 DUP13 PUSH2 0x10F1 JUMP JUMPDEST SWAP5 POP DUP5 PUSH1 0x60 ADD MLOAD SWAP2 POP PUSH2 0x4CE DUP10 DUP4 DUP11 PUSH2 0x7C3 JUMP JUMPDEST DUP6 MLOAD SWAP1 SWAP5 POP SWAP1 POP JUMPDEST PUSH2 0x4EA DUP6 PUSH1 0x20 ADD MLOAD DUP6 PUSH1 0x20 ADD MLOAD DUP10 DUP10 PUSH2 0xD1F JUMP JUMPDEST PUSH2 0x4FC DUP12 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x2D4 JUMPI INVALID JUMPDEST POP POP POP SWAP7 POP SWAP7 SWAP5 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x55B JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23E7 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0x5B8 JUMPI PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND OR SWAP1 SSTORE JUMPDEST POP JUMP JUMPDEST PUSH1 0x0 CALLVALUE GT PUSH2 0x5F5 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2347 JUMP JUMPDEST PUSH1 0x2 PUSH1 0x0 SWAP1 SLOAD SWAP1 PUSH2 0x100 EXP SWAP1 DIV PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH4 0xD0E30DB0 CALLVALUE PUSH1 0x40 MLOAD DUP3 PUSH4 0xFFFFFFFF AND PUSH29 0x100000000000000000000000000000000000000000000000000000000 MUL DUP2 MSTORE PUSH1 0x4 ADD PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 DUP6 DUP9 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x67B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x68F JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 MLOAD DUP4 MLOAD EQ DUP1 ISZERO PUSH2 0x7BA JUMPI POP DUP2 PUSH1 0x40 MLOAD DUP1 DUP3 DUP1 MLOAD SWAP1 PUSH1 0x20 ADD SWAP1 DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x6F2 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x6B5 JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 MLOAD SWAP2 SWAP1 SWAP4 ADD DUP2 SWAP1 SUB DUP2 KECCAK256 DUP9 MLOAD SWAP1 SWAP6 POP DUP9 SWAP5 POP SWAP1 SWAP3 DUP4 SWAP3 POP DUP5 ADD SWAP1 DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x787 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x74A JUMP JUMPDEST PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB DUP1 NOT DUP3 MLOAD AND DUP2 DUP5 MLOAD AND DUP1 DUP3 OR DUP6 MSTORE POP POP POP POP POP POP SWAP1 POP ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 KECCAK256 PUSH1 0x0 NOT AND EQ JUMPDEST SWAP1 POP JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH2 0x7CB PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 PUSH2 0x7DE PUSH2 0x19A9 JUMP JUMPDEST DUP11 ISZERO ISZERO PUSH2 0x7EA JUMPI PUSH2 0xABC JUMP JUMPDEST PUSH1 0x4 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x88E JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x863 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x88E JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x871 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP PUSH1 0x5 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x1F PUSH1 0x2 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH2 0x100 PUSH1 0x1 DUP9 AND ISZERO MUL ADD SWAP1 SWAP6 AND SWAP5 SWAP1 SWAP5 DIV SWAP4 DUP5 ADD DUP2 SWAP1 DIV DUP2 MUL DUP3 ADD DUP2 ADD SWAP1 SWAP3 MSTORE DUP3 DUP2 MSTORE SWAP7 SWAP15 POP SWAP2 SWAP5 POP SWAP3 POP DUP5 ADD SWAP1 POP DUP3 DUP3 DUP1 ISZERO PUSH2 0x93D JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x912 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x93D JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x920 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP SWAP7 POP PUSH1 0x0 SWAP6 POP DUP12 MLOAD SWAP5 POP PUSH1 0x0 SWAP4 POP JUMPDEST DUP4 DUP6 EQ PUSH2 0xA82 JUMPI DUP8 DUP13 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x967 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x140 ADD MSTORE DUP12 MLOAD DUP8 SWAP1 DUP14 SWAP1 DUP7 SWAP1 DUP2 LT PUSH2 0x986 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x160 ADD MSTORE PUSH2 0x99F DUP12 DUP8 PUSH2 0xACB JUMP JUMPDEST SWAP3 POP PUSH2 0xA06 DUP13 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x9B2 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0xA0 ADD MLOAD PUSH2 0xA00 DUP15 DUP8 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x9D1 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0x80 ADD MLOAD DUP16 DUP9 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x9ED JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0xE0 ADD MLOAD PUSH2 0xACB JUMP JUMPDEST DUP6 PUSH2 0x1099 JUMP JUMPDEST SWAP2 POP PUSH2 0xA4B DUP13 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA19 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0xA2E DUP5 PUSH1 0x1 PUSH2 0x104F JUMP JUMPDEST DUP13 DUP8 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA3C JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x1295 JUMP JUMPDEST SWAP1 POP PUSH2 0xA57 DUP10 DUP3 PUSH2 0x130D JUMP JUMPDEST PUSH2 0xA69 DUP10 PUSH1 0x0 ADD MLOAD DUP11 PUSH1 0x60 ADD MLOAD PUSH2 0xACB JUMP JUMPDEST SWAP6 POP DUP11 DUP7 LT PUSH2 0xA77 JUMPI PUSH2 0xA82 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP4 ADD SWAP3 PUSH2 0x951 JUMP JUMPDEST DUP11 DUP7 LT ISZERO PUSH2 0xABC JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23C7 JUMP JUMPDEST POP POP POP POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 GT ISZERO PUSH2 0xB07 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2367 JUMP JUMPDEST POP SWAP1 SUB SWAP1 JUMP JUMPDEST PUSH2 0xB15 PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH2 0xB26 PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x0 DUP12 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xB37 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP2 SWAP1 SWAP2 ADD DUP2 ADD MLOAD PUSH2 0x140 ADD MLOAD PUSH1 0x5 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x2 PUSH1 0x1 DUP5 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP4 AND SWAP3 SWAP1 SWAP3 DIV PUSH1 0x1F DUP2 ADD DUP7 SWAP1 DIV DUP7 MUL DUP4 ADD DUP7 ADD SWAP1 SWAP2 MSTORE DUP1 DUP3 MSTORE SWAP3 SWAP12 POP SWAP3 SWAP1 SWAP2 SWAP1 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0xBEF JUMPI DUP1 PUSH1 0x1F LT PUSH2 0xBC4 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0xBEF JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0xBD2 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP SWAP7 POP DUP12 MLOAD SWAP6 POP PUSH1 0x0 SWAP5 POP JUMPDEST DUP5 DUP7 EQ PUSH2 0xCE5 JUMPI DUP8 DUP13 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xC15 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x140 ADD MSTORE DUP12 MLOAD DUP8 SWAP1 DUP14 SWAP1 DUP8 SWAP1 DUP2 LT PUSH2 0xC34 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x160 ADD MSTORE DUP9 MLOAD PUSH2 0xC50 SWAP1 DUP13 SWAP1 PUSH2 0xACB JUMP JUMPDEST SWAP4 POP PUSH2 0xC93 DUP13 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xC63 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0xA0 ADD MLOAD DUP14 DUP8 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xC7F JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0x80 ADD MLOAD DUP7 PUSH2 0x1099 JUMP JUMPDEST SWAP3 POP PUSH2 0xCBF DUP13 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xCA6 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP5 DUP13 DUP9 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA3C JUMPI INVALID JUMPDEST SWAP2 POP PUSH2 0xCCB DUP10 DUP4 PUSH2 0x130D JUMP JUMPDEST POP DUP8 MLOAD DUP11 DUP2 LT PUSH2 0xCDA JUMPI PUSH2 0xCE5 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP5 ADD SWAP4 PUSH2 0xBFF JUMP JUMPDEST DUP11 DUP2 LT ISZERO PUSH2 0xABC JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23C7 JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 DUP1 PUSH7 0xB1A2BC2EC50000 DUP7 GT ISZERO PUSH2 0xD65 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23F7 JUMP JUMPDEST PUSH2 0xD6F DUP9 DUP9 PUSH2 0x104F JUMP JUMPDEST SWAP4 POP CALLVALUE DUP5 GT ISZERO PUSH2 0xDAB JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2357 JUMP JUMPDEST PUSH2 0xDB5 CALLVALUE DUP6 PUSH2 0xACB JUMP JUMPDEST SWAP3 POP PUSH2 0xDCA DUP7 PUSH8 0xDE0B6B3A7640000 DUP11 PUSH2 0x1099 JUMP JUMPDEST SWAP2 POP DUP3 DUP3 GT ISZERO PUSH2 0xE06 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23D7 JUMP JUMPDEST PUSH1 0x0 DUP4 GT ISZERO PUSH2 0xF29 JUMPI PUSH1 0x2 SLOAD PUSH1 0x40 MLOAD PUSH32 0x2E1A7D4D00000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP2 AND SWAP1 PUSH4 0x2E1A7D4D SWAP1 PUSH2 0xE65 SWAP1 DUP7 SWAP1 PUSH1 0x4 ADD PUSH2 0x2453 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0xE7F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0xE93 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x0 DUP3 GT ISZERO PUSH2 0xEE5 JUMPI PUSH1 0x40 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 AND SWAP1 DUP4 ISZERO PUSH2 0x8FC MUL SWAP1 DUP5 SWAP1 PUSH1 0x0 DUP2 DUP2 DUP2 DUP6 DUP9 DUP9 CALL SWAP4 POP POP POP POP ISZERO DUP1 ISZERO PUSH2 0xEE3 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP JUMPDEST PUSH2 0xEEF DUP4 DUP4 PUSH2 0xACB JUMP JUMPDEST SWAP1 POP PUSH1 0x0 DUP2 GT ISZERO PUSH2 0xF29 JUMPI PUSH1 0x40 MLOAD CALLER SWAP1 DUP3 ISZERO PUSH2 0x8FC MUL SWAP1 DUP4 SWAP1 PUSH1 0x0 DUP2 DUP2 DUP2 DUP6 DUP9 DUP9 CALL SWAP4 POP POP POP POP ISZERO DUP1 ISZERO PUSH2 0xF27 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP JUMPDEST POP POP POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0xF45 DUP4 DUP3 PUSH4 0xFFFFFFFF PUSH2 0x136F AND JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x4552433230546F6B656E28616464726573732900000000000000000000000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x13 ADD SWAP1 KECCAK256 SWAP1 SWAP2 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP1 DUP4 AND SWAP2 AND EQ ISZERO PUSH2 0xFB5 JUMPI PUSH2 0xFB0 DUP4 DUP4 PUSH2 0x13DC JUMP JUMPDEST PUSH2 0x383 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x455243373231546F6B656E28616464726573732C75696E743235362900000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x1C ADD SWAP1 KECCAK256 PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP3 DUP2 AND SWAP2 AND EQ ISZERO PUSH2 0x101D JUMPI PUSH2 0xFB0 DUP4 DUP4 PUSH2 0x15CA JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23A7 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 ADD DUP4 DUP2 LT ISZERO PUSH2 0x108E JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2397 JUMP JUMPDEST DUP1 SWAP2 POP JUMPDEST POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP4 GT PUSH2 0x10D4 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2387 JUMP JUMPDEST PUSH2 0x10E7 PUSH2 0x10E1 DUP6 DUP5 PUSH2 0x16B2 JUMP JUMPDEST DUP5 PUSH2 0x170D JUMP JUMPDEST SWAP1 POP JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH2 0x10F9 PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 PUSH2 0x1109 PUSH2 0x19A9 JUMP JUMPDEST DUP10 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1118 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP2 SWAP1 SWAP2 ADD DUP2 ADD MLOAD PUSH2 0x140 ADD MLOAD PUSH1 0x5 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x2 PUSH1 0x1 DUP5 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP4 AND SWAP3 SWAP1 SWAP3 DIV PUSH1 0x1F DUP2 ADD DUP7 SWAP1 DIV DUP7 MUL DUP4 ADD DUP7 ADD SWAP1 SWAP2 MSTORE DUP1 DUP3 MSTORE SWAP3 SWAP10 POP SWAP3 SWAP1 SWAP2 SWAP1 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x11D0 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x11A5 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x11D0 JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x11B3 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP SWAP5 POP DUP10 MLOAD SWAP4 POP PUSH1 0x0 SWAP3 POP JUMPDEST DUP3 DUP5 EQ PUSH2 0x1288 JUMPI DUP6 DUP11 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x11F6 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x140 ADD MSTORE DUP10 MLOAD DUP6 SWAP1 DUP12 SWAP1 DUP6 SWAP1 DUP2 LT PUSH2 0x1215 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x160 ADD DUP2 SWAP1 MSTORE POP PUSH2 0x1235 DUP10 DUP9 PUSH1 0x20 ADD MLOAD PUSH2 0xACB JUMP JUMPDEST SWAP2 POP PUSH2 0x1261 DUP11 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1248 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP4 DUP11 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA3C JUMPI INVALID JUMPDEST SWAP1 POP PUSH2 0x126D DUP8 DUP3 PUSH2 0x130D JUMP JUMPDEST PUSH1 0x20 DUP8 ADD MLOAD DUP10 GT PUSH2 0x127D JUMPI PUSH2 0x1288 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP3 ADD SWAP2 PUSH2 0x11E0 JUMP JUMPDEST POP POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH2 0x129D PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x0 PUSH2 0x12AC DUP7 DUP7 DUP7 PUSH2 0x1724 JUMP JUMPDEST PUSH1 0x1 SLOAD DUP2 MLOAD SWAP2 SWAP4 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP2 POP PUSH1 0x80 SWAP1 DUP4 SWAP1 PUSH1 0x20 DUP3 ADD PUSH1 0x0 DUP6 GAS CALL DUP1 ISZERO PUSH2 0x1303 JUMPI DUP3 MLOAD DUP5 MSTORE PUSH1 0x20 DUP4 ADD MLOAD PUSH1 0x20 DUP6 ADD MSTORE PUSH1 0x40 DUP4 ADD MLOAD PUSH1 0x40 DUP6 ADD MSTORE PUSH1 0x60 DUP4 ADD MLOAD PUSH1 0x60 DUP6 ADD MSTORE JUMPDEST POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST DUP2 MLOAD DUP2 MLOAD PUSH2 0x131B SWAP2 SWAP1 PUSH2 0x104F JUMP JUMPDEST DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 ADD MLOAD SWAP1 DUP3 ADD MLOAD PUSH2 0x1331 SWAP2 SWAP1 PUSH2 0x104F JUMP JUMPDEST PUSH1 0x20 DUP4 ADD MSTORE PUSH1 0x40 DUP1 DUP4 ADD MLOAD SWAP1 DUP3 ADD MLOAD PUSH2 0x134A SWAP2 SWAP1 PUSH2 0x104F JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MSTORE PUSH1 0x60 DUP1 DUP4 ADD MLOAD SWAP1 DUP3 ADD MLOAD PUSH2 0x1363 SWAP2 SWAP1 PUSH2 0x104F JUMP JUMPDEST PUSH1 0x60 SWAP1 SWAP3 ADD SWAP2 SWAP1 SWAP2 MSTORE POP JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x4 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x13B1 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2417 JUMP JUMPDEST POP ADD PUSH1 0x20 ADD MLOAD PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0x13F0 DUP5 PUSH1 0x10 PUSH4 0xFFFFFFFF PUSH2 0x18F6 AND JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x7472616E7366657228616464726573732C75696E743235362900000000000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x19 ADD DUP2 KECCAK256 SWAP2 SWAP4 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND SWAP2 SWAP1 PUSH2 0x144E SWAP1 CALLER SWAP1 DUP8 SWAP1 PUSH1 0x24 ADD PUSH2 0x231C JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 DUP2 DUP5 SUB ADD DUP2 MSTORE SWAP2 DUP2 MSTORE PUSH1 0x20 DUP3 ADD DUP1 MLOAD PUSH28 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 OR DUP4 MSTORE MLOAD DUP2 MLOAD SWAP2 SWAP3 SWAP1 SWAP2 DUP3 SWAP2 SWAP1 DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x14F2 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x14DA JUMP JUMPDEST POP POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x151F JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP2 POP POP PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP7 GAS CALL SWAP3 POP POP POP DUP1 ISZERO ISZERO PUSH2 0x156E JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23B7 JUMP JUMPDEST RETURNDATASIZE ISZERO PUSH2 0x158B JUMPI POP PUSH1 0x0 RETURNDATASIZE PUSH1 0x20 EQ ISZERO PUSH2 0x158B JUMPI PUSH1 0x20 PUSH1 0x0 DUP1 RETURNDATACOPY POP PUSH1 0x0 MLOAD JUMPDEST DUP1 ISZERO ISZERO PUSH2 0x15C4 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23B7 JUMP JUMPDEST POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x1 DUP4 EQ PUSH2 0x1607 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2427 JUMP JUMPDEST PUSH2 0x1618 DUP5 PUSH1 0x10 PUSH4 0xFFFFFFFF PUSH2 0x18F6 AND JUMP JUMPDEST SWAP2 POP PUSH2 0x162B DUP5 PUSH1 0x24 PUSH4 0xFFFFFFFF PUSH2 0x1957 AND JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH32 0x23B872DD00000000000000000000000000000000000000000000000000000000 DUP2 MSTORE SWAP1 SWAP2 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND SWAP1 PUSH4 0x23B872DD SWAP1 PUSH2 0x1684 SWAP1 ADDRESS SWAP1 CALLER SWAP1 DUP7 SWAP1 PUSH1 0x4 ADD PUSH2 0x22F4 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x169E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0xF29 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST PUSH1 0x0 DUP1 DUP4 ISZERO ISZERO PUSH2 0x16C5 JUMPI PUSH1 0x0 SWAP2 POP PUSH2 0x1092 JUMP JUMPDEST POP DUP3 DUP3 MUL DUP3 DUP5 DUP3 DUP2 ISZERO ISZERO PUSH2 0x16D5 JUMPI INVALID JUMPDEST DIV EQ PUSH2 0x108E JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2397 JUMP JUMPDEST PUSH1 0x0 DUP1 DUP3 DUP5 DUP2 ISZERO ISZERO PUSH2 0x171B JUMPI INVALID JUMPDEST DIV SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0xB4BE83D500000000000000000000000000000000000000000000000000000000 PUSH1 0x20 DUP1 DUP4 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0x60 PUSH1 0x24 DUP4 ADD DUP2 DUP2 MSTORE DUP8 MLOAD PUSH1 0x84 DUP6 ADD SWAP1 DUP2 MSTORE DUP9 DUP5 ADD MLOAD PUSH1 0xA4 DUP7 ADD MSTORE SWAP5 DUP9 ADD MLOAD PUSH1 0xC4 DUP6 ADD MSTORE SWAP1 DUP8 ADD MLOAD PUSH1 0xE4 DUP5 ADD MSTORE PUSH1 0x80 DUP8 ADD MLOAD PUSH2 0x104 DUP5 ADD MSTORE PUSH1 0xA0 DUP8 ADD MLOAD PUSH2 0x124 DUP5 ADD MSTORE PUSH1 0xC0 DUP8 ADD MLOAD PUSH2 0x144 DUP5 ADD MSTORE PUSH1 0xE0 DUP8 ADD MLOAD PUSH2 0x164 DUP5 ADD MSTORE PUSH2 0x100 DUP8 ADD MLOAD PUSH2 0x184 DUP5 ADD MSTORE PUSH2 0x120 DUP8 ADD MLOAD PUSH2 0x1A4 DUP5 ADD MSTORE PUSH2 0x140 DUP8 ADD DUP1 MLOAD PUSH2 0x1C4 DUP6 ADD SWAP1 DUP2 MSTORE PUSH2 0x160 DUP10 ADD MLOAD PUSH2 0x1E4 DUP7 ADD MSTORE PUSH2 0x180 SWAP1 MSTORE MLOAD DUP1 MLOAD PUSH2 0x204 DUP6 ADD DUP2 SWAP1 MSTORE SWAP4 SWAP5 SWAP2 SWAP4 DUP5 SWAP4 PUSH1 0x44 DUP8 ADD SWAP3 DUP5 SWAP3 PUSH2 0x224 DUP10 ADD SWAP3 SWAP2 DUP3 ADD SWAP2 PUSH1 0x1F DUP3 ADD DIV PUSH1 0x0 JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x182B JUMPI DUP4 MLOAD DUP6 MSTORE PUSH1 0x20 SWAP5 DUP6 ADD SWAP5 SWAP1 SWAP4 ADD SWAP3 PUSH1 0x1 ADD PUSH2 0x180D JUMP JUMPDEST POP POP POP POP DUP2 DUP2 SUB PUSH2 0x160 DUP1 DUP5 ADD SWAP2 SWAP1 SWAP2 MSTORE DUP11 ADD MLOAD DUP1 MLOAD DUP1 DUP4 MSTORE PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 DUP3 ADD SWAP2 PUSH1 0x1F DUP3 ADD DIV PUSH1 0x0 JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x1874 JUMPI DUP4 MLOAD DUP6 MSTORE PUSH1 0x20 SWAP5 DUP6 ADD SWAP5 SWAP1 SWAP4 ADD SWAP3 PUSH1 0x1 ADD PUSH2 0x1856 JUMP JUMPDEST POP POP POP DUP10 DUP5 MSTORE POP DUP5 DUP2 SUB PUSH1 0x20 SWAP4 DUP5 ADD SWAP1 DUP2 MSTORE DUP9 MLOAD DUP1 DUP4 MSTORE SWAP1 SWAP4 SWAP2 DUP3 ADD SWAP2 DUP10 DUP2 ADD SWAP2 SWAP1 PUSH1 0x1F DUP3 ADD DIV PUSH1 0x0 JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x18BC JUMPI DUP4 MLOAD DUP6 MSTORE PUSH1 0x20 SWAP5 DUP6 ADD SWAP5 SWAP1 SWAP4 ADD SWAP3 PUSH1 0x1 ADD PUSH2 0x189E JUMP JUMPDEST POP POP POP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 DUP9 DUP4 SUB ADD DUP9 MSTORE POP PUSH1 0x40 MSTORE POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x14 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x1938 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2407 JUMP JUMPDEST POP ADD PUSH1 0x14 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x7BA DUP4 DUP4 PUSH1 0x0 DUP2 PUSH1 0x20 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x19A0 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2377 JUMP JUMPDEST POP ADD PUSH1 0x20 ADD MLOAD SWAP1 JUMP JUMPDEST PUSH1 0x80 PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE POP SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x7BA DUP3 CALLDATALOAD PUSH2 0x24EF JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x19EF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x1A02 PUSH2 0x19FD DUP3 PUSH2 0x2488 JUMP JUMPDEST PUSH2 0x2461 JUMP JUMPDEST DUP2 DUP2 MSTORE PUSH1 0x20 SWAP4 DUP5 ADD SWAP4 SWAP1 SWAP3 POP DUP3 ADD DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x1A40 JUMPI DUP2 CALLDATALOAD DUP7 ADD PUSH2 0x1A2A DUP9 DUP3 PUSH2 0x1AF0 JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0x1A14 JUMP JUMPDEST POP POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x1A5B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x1A69 PUSH2 0x19FD DUP3 PUSH2 0x2488 JUMP JUMPDEST DUP2 DUP2 MSTORE PUSH1 0x20 SWAP4 DUP5 ADD SWAP4 SWAP1 SWAP3 POP DUP3 ADD DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x1A40 JUMPI DUP2 CALLDATALOAD DUP7 ADD PUSH2 0x1A91 DUP9 DUP3 PUSH2 0x1B3F JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0x1A7B JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x1F DUP4 ADD DUP5 SGT PUSH2 0x1AB9 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP DUP2 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1AD1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x20 DUP4 ADD SWAP2 POP DUP4 PUSH1 0x1 DUP3 MUL DUP4 ADD GT ISZERO PUSH2 0x1AE9 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x1B01 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x1B0F PUSH2 0x19FD DUP3 PUSH2 0x24A9 JUMP JUMPDEST SWAP2 POP DUP1 DUP3 MSTORE PUSH1 0x20 DUP4 ADD PUSH1 0x20 DUP4 ADD DUP6 DUP4 DUP4 ADD GT ISZERO PUSH2 0x1B2B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1B36 DUP4 DUP3 DUP5 PUSH2 0x250B JUMP JUMPDEST POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x180 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x1B52 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1B5D PUSH2 0x180 PUSH2 0x2461 JUMP JUMPDEST SWAP1 POP PUSH1 0x0 PUSH2 0x1B6B DUP5 DUP5 PUSH2 0x19D2 JUMP JUMPDEST DUP3 MSTORE POP PUSH1 0x20 PUSH2 0x1B7C DUP5 DUP5 DUP4 ADD PUSH2 0x19D2 JUMP JUMPDEST PUSH1 0x20 DUP4 ADD MSTORE POP PUSH1 0x40 PUSH2 0x1B90 DUP5 DUP3 DUP6 ADD PUSH2 0x19D2 JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MSTORE POP PUSH1 0x60 PUSH2 0x1BA4 DUP5 DUP3 DUP6 ADD PUSH2 0x19D2 JUMP JUMPDEST PUSH1 0x60 DUP4 ADD MSTORE POP PUSH1 0x80 PUSH2 0x1BB8 DUP5 DUP3 DUP6 ADD PUSH2 0x1C88 JUMP JUMPDEST PUSH1 0x80 DUP4 ADD MSTORE POP PUSH1 0xA0 PUSH2 0x1BCC DUP5 DUP3 DUP6 ADD PUSH2 0x1C88 JUMP JUMPDEST PUSH1 0xA0 DUP4 ADD MSTORE POP PUSH1 0xC0 PUSH2 0x1BE0 DUP5 DUP3 DUP6 ADD PUSH2 0x1C88 JUMP JUMPDEST PUSH1 0xC0 DUP4 ADD MSTORE POP PUSH1 0xE0 PUSH2 0x1BF4 DUP5 DUP3 DUP6 ADD PUSH2 0x1C88 JUMP JUMPDEST PUSH1 0xE0 DUP4 ADD MSTORE POP PUSH2 0x100 PUSH2 0x1C09 DUP5 DUP3 DUP6 ADD PUSH2 0x1C88 JUMP JUMPDEST PUSH2 0x100 DUP4 ADD MSTORE POP PUSH2 0x120 PUSH2 0x1C1F DUP5 DUP3 DUP6 ADD PUSH2 0x1C88 JUMP JUMPDEST PUSH2 0x120 DUP4 ADD MSTORE POP PUSH2 0x140 DUP3 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1C41 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1C4D DUP5 DUP3 DUP6 ADD PUSH2 0x1AF0 JUMP JUMPDEST PUSH2 0x140 DUP4 ADD MSTORE POP PUSH2 0x160 DUP3 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1C6F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1C7B DUP5 DUP3 DUP6 ADD PUSH2 0x1AF0 JUMP JUMPDEST PUSH2 0x160 DUP4 ADD MSTORE POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x7BA DUP3 CALLDATALOAD PUSH2 0x2508 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x1CA6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x1CB2 DUP5 DUP5 PUSH2 0x19D2 JUMP JUMPDEST SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0xC0 DUP8 DUP10 SUB SLT ISZERO PUSH2 0x1CD3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP7 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1CEA JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1CF6 DUP10 DUP3 DUP11 ADD PUSH2 0x1A4A JUMP JUMPDEST SWAP7 POP POP PUSH1 0x20 DUP8 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1D13 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1D1F DUP10 DUP3 DUP11 ADD PUSH2 0x19DE JUMP JUMPDEST SWAP6 POP POP PUSH1 0x40 DUP8 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1D3C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1D48 DUP10 DUP3 DUP11 ADD PUSH2 0x1A4A JUMP JUMPDEST SWAP5 POP POP PUSH1 0x60 DUP8 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1D65 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1D71 DUP10 DUP3 DUP11 ADD PUSH2 0x19DE JUMP JUMPDEST SWAP4 POP POP PUSH1 0x80 PUSH2 0x1D82 DUP10 DUP3 DUP11 ADD PUSH2 0x1C88 JUMP JUMPDEST SWAP3 POP POP PUSH1 0xA0 PUSH2 0x1D93 DUP10 DUP3 DUP11 ADD PUSH2 0x19D2 JUMP JUMPDEST SWAP2 POP POP SWAP3 SWAP6 POP SWAP3 SWAP6 POP SWAP3 SWAP6 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0xE0 DUP9 DUP11 SUB SLT ISZERO PUSH2 0x1DBB JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP8 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1DD2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1DDE DUP11 DUP3 DUP12 ADD PUSH2 0x1A4A JUMP JUMPDEST SWAP8 POP POP PUSH1 0x20 PUSH2 0x1DEF DUP11 DUP3 DUP12 ADD PUSH2 0x1C88 JUMP JUMPDEST SWAP7 POP POP PUSH1 0x40 DUP9 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1E0C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1E18 DUP11 DUP3 DUP12 ADD PUSH2 0x19DE JUMP JUMPDEST SWAP6 POP POP PUSH1 0x60 DUP9 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1E35 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1E41 DUP11 DUP3 DUP12 ADD PUSH2 0x1A4A JUMP JUMPDEST SWAP5 POP POP PUSH1 0x80 DUP9 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1E5E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1E6A DUP11 DUP3 DUP12 ADD PUSH2 0x19DE JUMP JUMPDEST SWAP4 POP POP PUSH1 0xA0 PUSH2 0x1E7B DUP11 DUP3 DUP12 ADD PUSH2 0x1C88 JUMP JUMPDEST SWAP3 POP POP PUSH1 0xC0 PUSH2 0x1E8C DUP11 DUP3 DUP12 ADD PUSH2 0x19D2 JUMP JUMPDEST SWAP2 POP POP SWAP3 SWAP6 SWAP9 SWAP2 SWAP5 SWAP8 POP SWAP3 SWAP6 POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x40 DUP5 DUP7 SUB SLT ISZERO PUSH2 0x1EB0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP4 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1EC7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1ED3 DUP7 DUP3 DUP8 ADD PUSH2 0x1AA7 JUMP JUMPDEST SWAP4 POP SWAP4 POP POP PUSH1 0x20 PUSH2 0x1EE6 DUP7 DUP3 DUP8 ADD PUSH2 0x1C88 JUMP JUMPDEST SWAP2 POP POP SWAP3 POP SWAP3 POP SWAP3 JUMP JUMPDEST PUSH2 0x1EF9 DUP2 PUSH2 0x24EF JUMP JUMPDEST DUP3 MSTORE POP POP JUMP JUMPDEST PUSH1 0x23 DUP2 MSTORE PUSH32 0x44454641554C545F46554E4354494F4E5F574554485F434F4E54524143545F4F PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x4E4C590000000000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x11 DUP2 MSTORE PUSH32 0x494E56414C49445F4D53475F56414C5545000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xD DUP2 MSTORE PUSH32 0x4F564552534F4C445F5745544800000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x11 DUP2 MSTORE PUSH32 0x55494E543235365F554E444552464C4F57000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x26 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F33325F4C454E4754485F5245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5155495245440000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x10 DUP2 MSTORE PUSH32 0x4449564953494F4E5F42595F5A45524F00000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x10 DUP2 MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x17 DUP2 MSTORE PUSH32 0x554E535550504F525445445F41535345545F50524F5859000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xF DUP2 MSTORE PUSH32 0x5452414E534645525F4641494C45440000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x14 DUP2 MSTORE PUSH32 0x434F4D504C4554455F46494C4C5F4641494C4544000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x1A DUP2 MSTORE PUSH32 0x494E53554646494349454E545F4554485F52454D41494E494E47000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x13 DUP2 MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x18 DUP2 MSTORE PUSH32 0x4645455F50455243454E544147455F544F4F5F4C415247450000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x26 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F32305F4C454E4754485F5245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5155495245440000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x25 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F345F4C454E4754485F524551 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5549524544000000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0xE DUP2 MSTORE PUSH32 0x494E56414C49445F414D4F554E54000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST DUP1 MLOAD PUSH1 0x80 DUP4 ADD SWAP1 PUSH2 0x22A8 DUP5 DUP3 PUSH2 0x22DD JUMP JUMPDEST POP PUSH1 0x20 DUP3 ADD MLOAD PUSH2 0x22BB PUSH1 0x20 DUP6 ADD DUP3 PUSH2 0x22DD JUMP JUMPDEST POP PUSH1 0x40 DUP3 ADD MLOAD PUSH2 0x22CE PUSH1 0x40 DUP6 ADD DUP3 PUSH2 0x22DD JUMP JUMPDEST POP PUSH1 0x60 DUP3 ADD MLOAD PUSH2 0x15C4 PUSH1 0x60 DUP6 ADD DUP3 JUMPDEST PUSH2 0x1EF9 DUP2 PUSH2 0x2508 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x7BD DUP3 DUP5 PUSH2 0x1EF0 JUMP JUMPDEST PUSH1 0x60 DUP2 ADD PUSH2 0x2302 DUP3 DUP7 PUSH2 0x1EF0 JUMP JUMPDEST PUSH2 0x230F PUSH1 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+ "opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0x6C JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x18978E82 DUP2 EQ PUSH2 0xC8 JUMPI DUP1 PUSH4 0x630F1E6C EQ PUSH2 0xF2 JUMPI DUP1 PUSH4 0x8DA5CB5B EQ PUSH2 0x112 JUMPI DUP1 PUSH4 0x9395525C EQ PUSH2 0x134 JUMPI DUP1 PUSH4 0xF2FDE38B EQ PUSH2 0x147 JUMPI JUMPDEST PUSH1 0x2 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0xC6 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2337 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST STOP JUMPDEST PUSH2 0xDB PUSH2 0xD6 CALLDATASIZE PUSH1 0x4 PUSH2 0x1DA0 JUMP JUMPDEST PUSH2 0x167 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xE9 SWAP3 SWAP2 SWAP1 PUSH2 0x2437 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xFE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xC6 PUSH2 0x10D CALLDATASIZE PUSH1 0x4 PUSH2 0x1E9B JUMP JUMPDEST PUSH2 0x2F7 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x11E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x127 PUSH2 0x388 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xE9 SWAP2 SWAP1 PUSH2 0x22E6 JUMP JUMPDEST PUSH2 0xDB PUSH2 0x142 CALLDATASIZE PUSH1 0x4 PUSH2 0x1CBA JUMP JUMPDEST PUSH2 0x3A4 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x153 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xC6 PUSH2 0x162 CALLDATASIZE PUSH1 0x4 PUSH2 0x1C94 JUMP JUMPDEST PUSH2 0x50A JUMP JUMPDEST PUSH2 0x16F PUSH2 0x19A9 JUMP JUMPDEST PUSH2 0x177 PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0x182 PUSH2 0x5BB JUMP JUMPDEST PUSH1 0x4 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x1F PUSH1 0x2 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH2 0x100 PUSH1 0x1 DUP9 AND ISZERO MUL ADD SWAP1 SWAP6 AND SWAP5 SWAP1 SWAP5 DIV SWAP4 DUP5 ADD DUP2 SWAP1 DIV DUP2 MUL DUP3 ADD DUP2 ADD SWAP1 SWAP3 MSTORE DUP3 DUP2 MSTORE PUSH2 0x25C SWAP4 SWAP1 SWAP3 SWAP1 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x22D JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x202 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x22D JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x210 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP DUP13 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x241 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x140 ADD MLOAD SWAP1 PUSH4 0xFFFFFFFF PUSH2 0x696 AND JUMP JUMPDEST ISZERO PUSH2 0x287 JUMPI PUSH2 0x26C DUP12 DUP12 DUP12 PUSH2 0x7C3 JUMP JUMPDEST SWAP4 POP PUSH2 0x280 DUP5 PUSH1 0x0 ADD MLOAD DUP6 PUSH1 0x60 ADD MLOAD PUSH2 0xACB JUMP JUMPDEST SWAP1 POP PUSH2 0x2AE JUMP JUMPDEST PUSH2 0x292 DUP12 DUP12 DUP12 PUSH2 0xB0D JUMP JUMPDEST SWAP4 POP DUP4 PUSH1 0x60 ADD MLOAD SWAP2 POP PUSH2 0x2A6 DUP9 DUP4 DUP10 PUSH2 0x7C3 JUMP JUMPDEST DUP5 MLOAD SWAP1 SWAP4 POP SWAP1 POP JUMPDEST PUSH2 0x2C2 DUP5 PUSH1 0x20 ADD MLOAD DUP5 PUSH1 0x20 ADD MLOAD DUP9 DUP9 PUSH2 0xD1F JUMP JUMPDEST PUSH2 0x2E9 DUP12 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x2D4 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x140 ADD MLOAD DUP3 PUSH2 0xF33 JUMP JUMPDEST POP POP SWAP8 POP SWAP8 SWAP6 POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x348 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23E7 JUMP JUMPDEST PUSH2 0x383 DUP4 DUP4 DUP1 DUP1 PUSH1 0x1F ADD PUSH1 0x20 DUP1 SWAP2 DIV MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP4 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP4 DUP4 DUP1 DUP3 DUP5 CALLDATACOPY POP DUP8 SWAP5 POP PUSH2 0xF33 SWAP4 POP POP POP POP JUMP JUMPDEST POP POP POP JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH2 0x3AC PUSH2 0x19A9 JUMP JUMPDEST PUSH2 0x3B4 PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH2 0x3C1 PUSH2 0x5BB JUMP JUMPDEST PUSH1 0x4 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x1F PUSH1 0x2 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH2 0x100 PUSH1 0x1 DUP9 AND ISZERO MUL ADD SWAP1 SWAP6 AND SWAP5 SWAP1 SWAP5 DIV SWAP4 DUP5 ADD DUP2 SWAP1 DIV DUP2 MUL DUP3 ADD DUP2 ADD SWAP1 SWAP3 MSTORE DUP3 DUP2 MSTORE PUSH2 0x441 SWAP4 SWAP1 SWAP3 SWAP1 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x22D JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x202 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x22D JUMP JUMPDEST ISZERO PUSH2 0x492 JUMPI PUSH2 0x46A PUSH8 0xDE0B6B3A7640000 PUSH2 0x464 PUSH8 0xDE0B6B3A7640000 DUP11 PUSH2 0x104F JUMP JUMPDEST CALLVALUE PUSH2 0x1099 JUMP JUMPDEST SWAP3 POP PUSH2 0x477 DUP12 DUP5 DUP13 PUSH2 0x10F1 JUMP JUMPDEST SWAP5 POP PUSH2 0x48B DUP6 PUSH1 0x0 ADD MLOAD DUP7 PUSH1 0x60 ADD MLOAD PUSH2 0xACB JUMP JUMPDEST SWAP1 POP PUSH2 0x4D6 JUMP JUMPDEST PUSH2 0x4AD PUSH8 0xD2F13F7789F0000 PUSH8 0xDE0B6B3A7640000 CALLVALUE PUSH2 0x1099 JUMP JUMPDEST SWAP3 POP PUSH2 0x4BA DUP12 DUP5 DUP13 PUSH2 0x10F1 JUMP JUMPDEST SWAP5 POP DUP5 PUSH1 0x60 ADD MLOAD SWAP2 POP PUSH2 0x4CE DUP10 DUP4 DUP11 PUSH2 0x7C3 JUMP JUMPDEST DUP6 MLOAD SWAP1 SWAP5 POP SWAP1 POP JUMPDEST PUSH2 0x4EA DUP6 PUSH1 0x20 ADD MLOAD DUP6 PUSH1 0x20 ADD MLOAD DUP10 DUP10 PUSH2 0xD1F JUMP JUMPDEST PUSH2 0x4FC DUP12 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x2D4 JUMPI INVALID JUMPDEST POP POP POP SWAP7 POP SWAP7 SWAP5 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND CALLER EQ PUSH2 0x55B JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23E7 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO PUSH2 0x5B8 JUMPI PUSH1 0x0 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND OR SWAP1 SSTORE JUMPDEST POP JUMP JUMPDEST PUSH1 0x0 CALLVALUE GT PUSH2 0x5F5 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2347 JUMP JUMPDEST PUSH1 0x2 PUSH1 0x0 SWAP1 SLOAD SWAP1 PUSH2 0x100 EXP SWAP1 DIV PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH4 0xD0E30DB0 CALLVALUE PUSH1 0x40 MLOAD DUP3 PUSH4 0xFFFFFFFF AND PUSH29 0x100000000000000000000000000000000000000000000000000000000 MUL DUP2 MSTORE PUSH1 0x4 ADD PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 DUP6 DUP9 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x67B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x68F JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 MLOAD DUP4 MLOAD EQ DUP1 ISZERO PUSH2 0x7BA JUMPI POP DUP2 PUSH1 0x40 MLOAD DUP1 DUP3 DUP1 MLOAD SWAP1 PUSH1 0x20 ADD SWAP1 DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x6F2 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x6B5 JUMP JUMPDEST MLOAD DUP2 MLOAD PUSH1 0x20 SWAP4 DUP5 SUB PUSH2 0x100 EXP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP1 NOT SWAP1 SWAP3 AND SWAP2 AND OR SWAP1 MSTORE PUSH1 0x40 MLOAD SWAP2 SWAP1 SWAP4 ADD DUP2 SWAP1 SUB DUP2 KECCAK256 DUP9 MLOAD SWAP1 SWAP6 POP DUP9 SWAP5 POP SWAP1 SWAP3 DUP4 SWAP3 POP DUP5 ADD SWAP1 DUP1 DUP4 DUP4 JUMPDEST PUSH1 0x20 DUP4 LT PUSH2 0x787 JUMPI DUP1 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0x74A JUMP JUMPDEST PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB DUP1 NOT DUP3 MLOAD AND DUP2 DUP5 MLOAD AND DUP1 DUP3 OR DUP6 MSTORE POP POP POP POP POP POP SWAP1 POP ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 KECCAK256 PUSH1 0x0 NOT AND EQ JUMPDEST SWAP1 POP JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH2 0x7CB PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 PUSH2 0x7DE PUSH2 0x19A9 JUMP JUMPDEST DUP11 ISZERO ISZERO PUSH2 0x7EA JUMPI PUSH2 0xABC JUMP JUMPDEST PUSH1 0x4 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x88E JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x863 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x88E JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x871 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP PUSH1 0x5 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x1F PUSH1 0x2 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH2 0x100 PUSH1 0x1 DUP9 AND ISZERO MUL ADD SWAP1 SWAP6 AND SWAP5 SWAP1 SWAP5 DIV SWAP4 DUP5 ADD DUP2 SWAP1 DIV DUP2 MUL DUP3 ADD DUP2 ADD SWAP1 SWAP3 MSTORE DUP3 DUP2 MSTORE SWAP7 SWAP15 POP SWAP2 SWAP5 POP SWAP3 POP DUP5 ADD SWAP1 POP DUP3 DUP3 DUP1 ISZERO PUSH2 0x93D JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x912 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x93D JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x920 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP SWAP7 POP PUSH1 0x0 SWAP6 POP DUP12 MLOAD SWAP5 POP PUSH1 0x0 SWAP4 POP JUMPDEST DUP4 DUP6 EQ PUSH2 0xA82 JUMPI DUP8 DUP13 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x967 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x140 ADD MSTORE DUP12 MLOAD DUP8 SWAP1 DUP14 SWAP1 DUP7 SWAP1 DUP2 LT PUSH2 0x986 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x160 ADD MSTORE PUSH2 0x99F DUP12 DUP8 PUSH2 0xACB JUMP JUMPDEST SWAP3 POP PUSH2 0xA06 DUP13 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x9B2 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0xA0 ADD MLOAD PUSH2 0xA00 DUP15 DUP8 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x9D1 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0x80 ADD MLOAD DUP16 DUP9 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x9ED JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0xE0 ADD MLOAD PUSH2 0xACB JUMP JUMPDEST DUP6 PUSH2 0x1099 JUMP JUMPDEST SWAP2 POP PUSH2 0xA4B DUP13 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA19 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0xA2E DUP5 PUSH1 0x1 PUSH2 0x104F JUMP JUMPDEST DUP13 DUP8 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA3C JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x1295 JUMP JUMPDEST SWAP1 POP PUSH2 0xA57 DUP10 DUP3 PUSH2 0x130D JUMP JUMPDEST PUSH2 0xA69 DUP10 PUSH1 0x0 ADD MLOAD DUP11 PUSH1 0x60 ADD MLOAD PUSH2 0xACB JUMP JUMPDEST SWAP6 POP DUP11 DUP7 LT PUSH2 0xA77 JUMPI PUSH2 0xA82 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP4 ADD SWAP3 PUSH2 0x951 JUMP JUMPDEST DUP11 DUP7 LT ISZERO PUSH2 0xABC JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23C7 JUMP JUMPDEST POP POP POP POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 GT ISZERO PUSH2 0xB07 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2367 JUMP JUMPDEST POP SWAP1 SUB SWAP1 JUMP JUMPDEST PUSH2 0xB15 PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH2 0xB26 PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x0 DUP12 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xB37 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP2 SWAP1 SWAP2 ADD DUP2 ADD MLOAD PUSH2 0x140 ADD MLOAD PUSH1 0x5 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x2 PUSH1 0x1 DUP5 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP4 AND SWAP3 SWAP1 SWAP3 DIV PUSH1 0x1F DUP2 ADD DUP7 SWAP1 DIV DUP7 MUL DUP4 ADD DUP7 ADD SWAP1 SWAP2 MSTORE DUP1 DUP3 MSTORE SWAP3 SWAP12 POP SWAP3 SWAP1 SWAP2 SWAP1 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0xBEF JUMPI DUP1 PUSH1 0x1F LT PUSH2 0xBC4 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0xBEF JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0xBD2 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP SWAP7 POP DUP12 MLOAD SWAP6 POP PUSH1 0x0 SWAP5 POP JUMPDEST DUP5 DUP7 EQ PUSH2 0xCE5 JUMPI DUP8 DUP13 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xC15 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x140 ADD MSTORE DUP12 MLOAD DUP8 SWAP1 DUP14 SWAP1 DUP8 SWAP1 DUP2 LT PUSH2 0xC34 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x160 ADD MSTORE DUP9 MLOAD PUSH2 0xC50 SWAP1 DUP13 SWAP1 PUSH2 0xACB JUMP JUMPDEST SWAP4 POP PUSH2 0xC93 DUP13 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xC63 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0xA0 ADD MLOAD DUP14 DUP8 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xC7F JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0x80 ADD MLOAD DUP7 PUSH2 0x1099 JUMP JUMPDEST SWAP3 POP PUSH2 0xCBF DUP13 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xCA6 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP5 DUP13 DUP9 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA3C JUMPI INVALID JUMPDEST SWAP2 POP PUSH2 0xCCB DUP10 DUP4 PUSH2 0x130D JUMP JUMPDEST POP DUP8 MLOAD DUP11 DUP2 LT PUSH2 0xCDA JUMPI PUSH2 0xCE5 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP5 ADD SWAP4 PUSH2 0xBFF JUMP JUMPDEST DUP11 DUP2 LT ISZERO PUSH2 0xABC JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23C7 JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 DUP1 PUSH7 0xB1A2BC2EC50000 DUP7 GT ISZERO PUSH2 0xD65 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23F7 JUMP JUMPDEST PUSH2 0xD6F DUP9 DUP9 PUSH2 0x104F JUMP JUMPDEST SWAP4 POP CALLVALUE DUP5 GT ISZERO PUSH2 0xDAB JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2357 JUMP JUMPDEST PUSH2 0xDB5 CALLVALUE DUP6 PUSH2 0xACB JUMP JUMPDEST SWAP3 POP PUSH2 0xDCA DUP7 PUSH8 0xDE0B6B3A7640000 DUP11 PUSH2 0x1099 JUMP JUMPDEST SWAP2 POP DUP3 DUP3 GT ISZERO PUSH2 0xE06 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23D7 JUMP JUMPDEST PUSH1 0x0 DUP4 GT ISZERO PUSH2 0xF29 JUMPI PUSH1 0x2 SLOAD PUSH1 0x40 MLOAD PUSH32 0x2E1A7D4D00000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP2 AND SWAP1 PUSH4 0x2E1A7D4D SWAP1 PUSH2 0xE65 SWAP1 DUP7 SWAP1 PUSH1 0x4 ADD PUSH2 0x2453 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0xE7F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0xE93 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x0 DUP3 GT ISZERO PUSH2 0xEE5 JUMPI PUSH1 0x40 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 AND SWAP1 DUP4 ISZERO PUSH2 0x8FC MUL SWAP1 DUP5 SWAP1 PUSH1 0x0 DUP2 DUP2 DUP2 DUP6 DUP9 DUP9 CALL SWAP4 POP POP POP POP ISZERO DUP1 ISZERO PUSH2 0xEE3 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP JUMPDEST PUSH2 0xEEF DUP4 DUP4 PUSH2 0xACB JUMP JUMPDEST SWAP1 POP PUSH1 0x0 DUP2 GT ISZERO PUSH2 0xF29 JUMPI PUSH1 0x40 MLOAD CALLER SWAP1 DUP3 ISZERO PUSH2 0x8FC MUL SWAP1 DUP4 SWAP1 PUSH1 0x0 DUP2 DUP2 DUP2 DUP6 DUP9 DUP9 CALL SWAP4 POP POP POP POP ISZERO DUP1 ISZERO PUSH2 0xF27 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP JUMPDEST POP POP POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0xF45 DUP4 DUP3 PUSH4 0xFFFFFFFF PUSH2 0x136F AND JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x4552433230546F6B656E28616464726573732900000000000000000000000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x13 ADD SWAP1 KECCAK256 SWAP1 SWAP2 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP1 DUP4 AND SWAP2 AND EQ ISZERO PUSH2 0xFB5 JUMPI PUSH2 0xFB0 DUP4 DUP4 PUSH2 0x13DC JUMP JUMPDEST PUSH2 0x383 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x455243373231546F6B656E28616464726573732C75696E743235362900000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x1C ADD SWAP1 KECCAK256 PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP3 DUP2 AND SWAP2 AND EQ ISZERO PUSH2 0x101D JUMPI PUSH2 0xFB0 DUP4 DUP4 PUSH2 0x15CA JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23A7 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 ADD DUP4 DUP2 LT ISZERO PUSH2 0x108E JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2397 JUMP JUMPDEST DUP1 SWAP2 POP JUMPDEST POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP4 GT PUSH2 0x10D4 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2387 JUMP JUMPDEST PUSH2 0x10E7 PUSH2 0x10E1 DUP6 DUP5 PUSH2 0x16B2 JUMP JUMPDEST DUP5 PUSH2 0x170D JUMP JUMPDEST SWAP1 POP JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH2 0x10F9 PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 PUSH2 0x1109 PUSH2 0x19A9 JUMP JUMPDEST DUP10 PUSH1 0x0 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1118 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP2 SWAP1 SWAP2 ADD DUP2 ADD MLOAD PUSH2 0x140 ADD MLOAD PUSH1 0x5 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x2 PUSH1 0x1 DUP5 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP4 AND SWAP3 SWAP1 SWAP3 DIV PUSH1 0x1F DUP2 ADD DUP7 SWAP1 DIV DUP7 MUL DUP4 ADD DUP7 ADD SWAP1 SWAP2 MSTORE DUP1 DUP3 MSTORE SWAP3 SWAP10 POP SWAP3 SWAP1 SWAP2 SWAP1 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x11D0 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x11A5 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x11D0 JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x11B3 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP SWAP5 POP DUP10 MLOAD SWAP4 POP PUSH1 0x0 SWAP3 POP JUMPDEST DUP3 DUP5 EQ PUSH2 0x1288 JUMPI DUP6 DUP11 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x11F6 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MLOAD PUSH2 0x140 ADD MSTORE DUP10 MLOAD DUP6 SWAP1 DUP12 SWAP1 DUP6 SWAP1 DUP2 LT PUSH2 0x1215 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x160 ADD DUP2 SWAP1 MSTORE POP PUSH2 0x1235 DUP10 DUP9 PUSH1 0x20 ADD MLOAD PUSH2 0xACB JUMP JUMPDEST SWAP2 POP PUSH2 0x1261 DUP11 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1248 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP4 DUP11 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA3C JUMPI INVALID JUMPDEST SWAP1 POP PUSH2 0x126D DUP8 DUP3 PUSH2 0x130D JUMP JUMPDEST PUSH1 0x20 DUP8 ADD MLOAD DUP10 GT PUSH2 0x127D JUMPI PUSH2 0x1288 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP3 ADD SWAP2 PUSH2 0x11E0 JUMP JUMPDEST POP POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH2 0x129D PUSH2 0x19A9 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x0 PUSH2 0x12AC DUP7 DUP7 DUP7 PUSH2 0x1724 JUMP JUMPDEST PUSH1 0x1 SLOAD DUP2 MLOAD SWAP2 SWAP4 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP2 POP PUSH1 0x80 SWAP1 DUP4 SWAP1 PUSH1 0x20 DUP3 ADD PUSH1 0x0 DUP6 GAS CALL DUP1 ISZERO PUSH2 0x1303 JUMPI DUP3 MLOAD DUP5 MSTORE PUSH1 0x20 DUP4 ADD MLOAD PUSH1 0x20 DUP6 ADD MSTORE PUSH1 0x40 DUP4 ADD MLOAD PUSH1 0x40 DUP6 ADD MSTORE PUSH1 0x60 DUP4 ADD MLOAD PUSH1 0x60 DUP6 ADD MSTORE JUMPDEST POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST DUP2 MLOAD DUP2 MLOAD PUSH2 0x131B SWAP2 SWAP1 PUSH2 0x104F JUMP JUMPDEST DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 ADD MLOAD SWAP1 DUP3 ADD MLOAD PUSH2 0x1331 SWAP2 SWAP1 PUSH2 0x104F JUMP JUMPDEST PUSH1 0x20 DUP4 ADD MSTORE PUSH1 0x40 DUP1 DUP4 ADD MLOAD SWAP1 DUP3 ADD MLOAD PUSH2 0x134A SWAP2 SWAP1 PUSH2 0x104F JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MSTORE PUSH1 0x60 DUP1 DUP4 ADD MLOAD SWAP1 DUP3 ADD MLOAD PUSH2 0x1363 SWAP2 SWAP1 PUSH2 0x104F JUMP JUMPDEST PUSH1 0x60 SWAP1 SWAP3 ADD SWAP2 SWAP1 SWAP2 MSTORE POP JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x4 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x13B1 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2417 JUMP JUMPDEST POP ADD PUSH1 0x20 ADD MLOAD PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0x13F0 DUP5 PUSH1 0x10 PUSH4 0xFFFFFFFF PUSH2 0x18F6 AND JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x7472616E7366657228616464726573732C75696E743235362900000000000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x19 ADD DUP2 KECCAK256 SWAP2 SWAP4 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND SWAP2 SWAP1 PUSH2 0x144E SWAP1 CALLER SWAP1 DUP8 SWAP1 PUSH1 0x24 ADD PUSH2 0x231C JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 DUP2 DUP5 SUB ADD DUP2 MSTORE SWAP2 DUP2 MSTORE PUSH1 0x20 DUP3 ADD DUP1 MLOAD PUSH28 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 OR DUP4 MSTORE MLOAD DUP2 MLOAD SWAP2 SWAP3 SWAP1 SWAP2 DUP3 SWAP2 SWAP1 DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x14F2 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x14DA JUMP JUMPDEST POP POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x151F JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP2 POP POP PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP7 GAS CALL SWAP3 POP POP POP DUP1 ISZERO ISZERO PUSH2 0x156E JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23B7 JUMP JUMPDEST RETURNDATASIZE ISZERO PUSH2 0x158B JUMPI POP PUSH1 0x0 RETURNDATASIZE PUSH1 0x20 EQ ISZERO PUSH2 0x158B JUMPI PUSH1 0x20 PUSH1 0x0 DUP1 RETURNDATACOPY POP PUSH1 0x0 MLOAD JUMPDEST DUP1 ISZERO ISZERO PUSH2 0x15C4 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x23B7 JUMP JUMPDEST POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x1 DUP4 EQ PUSH2 0x1607 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2427 JUMP JUMPDEST PUSH2 0x1618 DUP5 PUSH1 0x10 PUSH4 0xFFFFFFFF PUSH2 0x18F6 AND JUMP JUMPDEST SWAP2 POP PUSH2 0x162B DUP5 PUSH1 0x24 PUSH4 0xFFFFFFFF PUSH2 0x1957 AND JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH32 0x23B872DD00000000000000000000000000000000000000000000000000000000 DUP2 MSTORE SWAP1 SWAP2 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND SWAP1 PUSH4 0x23B872DD SWAP1 PUSH2 0x1684 SWAP1 ADDRESS SWAP1 CALLER SWAP1 DUP7 SWAP1 PUSH1 0x4 ADD PUSH2 0x22F4 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x169E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0xF29 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST PUSH1 0x0 DUP1 DUP4 ISZERO ISZERO PUSH2 0x16C5 JUMPI PUSH1 0x0 SWAP2 POP PUSH2 0x1092 JUMP JUMPDEST POP DUP3 DUP3 MUL DUP3 DUP5 DUP3 DUP2 ISZERO ISZERO PUSH2 0x16D5 JUMPI INVALID JUMPDEST DIV EQ PUSH2 0x108E JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2397 JUMP JUMPDEST PUSH1 0x0 DUP1 DUP3 DUP5 DUP2 ISZERO ISZERO PUSH2 0x171B JUMPI INVALID JUMPDEST DIV SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0xB4BE83D500000000000000000000000000000000000000000000000000000000 PUSH1 0x20 DUP1 DUP4 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0x60 PUSH1 0x24 DUP4 ADD DUP2 DUP2 MSTORE DUP8 MLOAD PUSH1 0x84 DUP6 ADD SWAP1 DUP2 MSTORE DUP9 DUP5 ADD MLOAD PUSH1 0xA4 DUP7 ADD MSTORE SWAP5 DUP9 ADD MLOAD PUSH1 0xC4 DUP6 ADD MSTORE SWAP1 DUP8 ADD MLOAD PUSH1 0xE4 DUP5 ADD MSTORE PUSH1 0x80 DUP8 ADD MLOAD PUSH2 0x104 DUP5 ADD MSTORE PUSH1 0xA0 DUP8 ADD MLOAD PUSH2 0x124 DUP5 ADD MSTORE PUSH1 0xC0 DUP8 ADD MLOAD PUSH2 0x144 DUP5 ADD MSTORE PUSH1 0xE0 DUP8 ADD MLOAD PUSH2 0x164 DUP5 ADD MSTORE PUSH2 0x100 DUP8 ADD MLOAD PUSH2 0x184 DUP5 ADD MSTORE PUSH2 0x120 DUP8 ADD MLOAD PUSH2 0x1A4 DUP5 ADD MSTORE PUSH2 0x140 DUP8 ADD DUP1 MLOAD PUSH2 0x1C4 DUP6 ADD SWAP1 DUP2 MSTORE PUSH2 0x160 DUP10 ADD MLOAD PUSH2 0x1E4 DUP7 ADD MSTORE PUSH2 0x180 SWAP1 MSTORE MLOAD DUP1 MLOAD PUSH2 0x204 DUP6 ADD DUP2 SWAP1 MSTORE SWAP4 SWAP5 SWAP2 SWAP4 DUP5 SWAP4 PUSH1 0x44 DUP8 ADD SWAP3 DUP5 SWAP3 PUSH2 0x224 DUP10 ADD SWAP3 SWAP2 DUP3 ADD SWAP2 PUSH1 0x1F DUP3 ADD DIV PUSH1 0x0 JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x182B JUMPI DUP4 MLOAD DUP6 MSTORE PUSH1 0x20 SWAP5 DUP6 ADD SWAP5 SWAP1 SWAP4 ADD SWAP3 PUSH1 0x1 ADD PUSH2 0x180D JUMP JUMPDEST POP POP POP POP DUP2 DUP2 SUB PUSH2 0x160 DUP1 DUP5 ADD SWAP2 SWAP1 SWAP2 MSTORE DUP11 ADD MLOAD DUP1 MLOAD DUP1 DUP4 MSTORE PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 DUP3 ADD SWAP2 PUSH1 0x1F DUP3 ADD DIV PUSH1 0x0 JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x1874 JUMPI DUP4 MLOAD DUP6 MSTORE PUSH1 0x20 SWAP5 DUP6 ADD SWAP5 SWAP1 SWAP4 ADD SWAP3 PUSH1 0x1 ADD PUSH2 0x1856 JUMP JUMPDEST POP POP POP DUP10 DUP5 MSTORE POP DUP5 DUP2 SUB PUSH1 0x20 SWAP4 DUP5 ADD SWAP1 DUP2 MSTORE DUP9 MLOAD DUP1 DUP4 MSTORE SWAP1 SWAP4 SWAP2 DUP3 ADD SWAP2 DUP10 DUP2 ADD SWAP2 SWAP1 PUSH1 0x1F DUP3 ADD DIV PUSH1 0x0 JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x18BC JUMPI DUP4 MLOAD DUP6 MSTORE PUSH1 0x20 SWAP5 DUP6 ADD SWAP5 SWAP1 SWAP4 ADD SWAP3 PUSH1 0x1 ADD PUSH2 0x189E JUMP JUMPDEST POP POP POP PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 DUP9 DUP4 SUB ADD DUP9 MSTORE POP PUSH1 0x40 MSTORE POP POP POP POP POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x14 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x1938 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2407 JUMP JUMPDEST POP ADD PUSH1 0x14 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x7BA DUP4 DUP4 PUSH1 0x0 DUP2 PUSH1 0x20 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0x19A0 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0xBD SWAP1 PUSH2 0x2377 JUMP JUMPDEST POP ADD PUSH1 0x20 ADD MLOAD SWAP1 JUMP JUMPDEST PUSH1 0x80 PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE POP SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x7BA DUP3 CALLDATALOAD PUSH2 0x24EF JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x19EF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x1A02 PUSH2 0x19FD DUP3 PUSH2 0x2488 JUMP JUMPDEST PUSH2 0x2461 JUMP JUMPDEST DUP2 DUP2 MSTORE PUSH1 0x20 SWAP4 DUP5 ADD SWAP4 SWAP1 SWAP3 POP DUP3 ADD DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x1A40 JUMPI DUP2 CALLDATALOAD DUP7 ADD PUSH2 0x1A2A DUP9 DUP3 PUSH2 0x1AF0 JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0x1A14 JUMP JUMPDEST POP POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x1A5B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x1A69 PUSH2 0x19FD DUP3 PUSH2 0x2488 JUMP JUMPDEST DUP2 DUP2 MSTORE PUSH1 0x20 SWAP4 DUP5 ADD SWAP4 SWAP1 SWAP3 POP DUP3 ADD DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x1A40 JUMPI DUP2 CALLDATALOAD DUP7 ADD PUSH2 0x1A91 DUP9 DUP3 PUSH2 0x1B3F JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0x1A7B JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x1F DUP4 ADD DUP5 SGT PUSH2 0x1AB9 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP DUP2 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1AD1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x20 DUP4 ADD SWAP2 POP DUP4 PUSH1 0x1 DUP3 MUL DUP4 ADD GT ISZERO PUSH2 0x1AE9 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0x1B01 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x1B0F PUSH2 0x19FD DUP3 PUSH2 0x24A9 JUMP JUMPDEST SWAP2 POP DUP1 DUP3 MSTORE PUSH1 0x20 DUP4 ADD PUSH1 0x20 DUP4 ADD DUP6 DUP4 DUP4 ADD GT ISZERO PUSH2 0x1B2B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1B36 DUP4 DUP3 DUP5 PUSH2 0x250B JUMP JUMPDEST POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x180 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x1B52 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1B5D PUSH2 0x180 PUSH2 0x2461 JUMP JUMPDEST SWAP1 POP PUSH1 0x0 PUSH2 0x1B6B DUP5 DUP5 PUSH2 0x19D2 JUMP JUMPDEST DUP3 MSTORE POP PUSH1 0x20 PUSH2 0x1B7C DUP5 DUP5 DUP4 ADD PUSH2 0x19D2 JUMP JUMPDEST PUSH1 0x20 DUP4 ADD MSTORE POP PUSH1 0x40 PUSH2 0x1B90 DUP5 DUP3 DUP6 ADD PUSH2 0x19D2 JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MSTORE POP PUSH1 0x60 PUSH2 0x1BA4 DUP5 DUP3 DUP6 ADD PUSH2 0x19D2 JUMP JUMPDEST PUSH1 0x60 DUP4 ADD MSTORE POP PUSH1 0x80 PUSH2 0x1BB8 DUP5 DUP3 DUP6 ADD PUSH2 0x1C88 JUMP JUMPDEST PUSH1 0x80 DUP4 ADD MSTORE POP PUSH1 0xA0 PUSH2 0x1BCC DUP5 DUP3 DUP6 ADD PUSH2 0x1C88 JUMP JUMPDEST PUSH1 0xA0 DUP4 ADD MSTORE POP PUSH1 0xC0 PUSH2 0x1BE0 DUP5 DUP3 DUP6 ADD PUSH2 0x1C88 JUMP JUMPDEST PUSH1 0xC0 DUP4 ADD MSTORE POP PUSH1 0xE0 PUSH2 0x1BF4 DUP5 DUP3 DUP6 ADD PUSH2 0x1C88 JUMP JUMPDEST PUSH1 0xE0 DUP4 ADD MSTORE POP PUSH2 0x100 PUSH2 0x1C09 DUP5 DUP3 DUP6 ADD PUSH2 0x1C88 JUMP JUMPDEST PUSH2 0x100 DUP4 ADD MSTORE POP PUSH2 0x120 PUSH2 0x1C1F DUP5 DUP3 DUP6 ADD PUSH2 0x1C88 JUMP JUMPDEST PUSH2 0x120 DUP4 ADD MSTORE POP PUSH2 0x140 DUP3 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1C41 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1C4D DUP5 DUP3 DUP6 ADD PUSH2 0x1AF0 JUMP JUMPDEST PUSH2 0x140 DUP4 ADD MSTORE POP PUSH2 0x160 DUP3 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1C6F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1C7B DUP5 DUP3 DUP6 ADD PUSH2 0x1AF0 JUMP JUMPDEST PUSH2 0x160 DUP4 ADD MSTORE POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x7BA DUP3 CALLDATALOAD PUSH2 0x2508 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x1CA6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x1CB2 DUP5 DUP5 PUSH2 0x19D2 JUMP JUMPDEST SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0xC0 DUP8 DUP10 SUB SLT ISZERO PUSH2 0x1CD3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP7 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1CEA JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1CF6 DUP10 DUP3 DUP11 ADD PUSH2 0x1A4A JUMP JUMPDEST SWAP7 POP POP PUSH1 0x20 DUP8 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1D13 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1D1F DUP10 DUP3 DUP11 ADD PUSH2 0x19DE JUMP JUMPDEST SWAP6 POP POP PUSH1 0x40 DUP8 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1D3C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1D48 DUP10 DUP3 DUP11 ADD PUSH2 0x1A4A JUMP JUMPDEST SWAP5 POP POP PUSH1 0x60 DUP8 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1D65 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1D71 DUP10 DUP3 DUP11 ADD PUSH2 0x19DE JUMP JUMPDEST SWAP4 POP POP PUSH1 0x80 PUSH2 0x1D82 DUP10 DUP3 DUP11 ADD PUSH2 0x1C88 JUMP JUMPDEST SWAP3 POP POP PUSH1 0xA0 PUSH2 0x1D93 DUP10 DUP3 DUP11 ADD PUSH2 0x19D2 JUMP JUMPDEST SWAP2 POP POP SWAP3 SWAP6 POP SWAP3 SWAP6 POP SWAP3 SWAP6 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0xE0 DUP9 DUP11 SUB SLT ISZERO PUSH2 0x1DBB JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP8 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1DD2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1DDE DUP11 DUP3 DUP12 ADD PUSH2 0x1A4A JUMP JUMPDEST SWAP8 POP POP PUSH1 0x20 PUSH2 0x1DEF DUP11 DUP3 DUP12 ADD PUSH2 0x1C88 JUMP JUMPDEST SWAP7 POP POP PUSH1 0x40 DUP9 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1E0C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1E18 DUP11 DUP3 DUP12 ADD PUSH2 0x19DE JUMP JUMPDEST SWAP6 POP POP PUSH1 0x60 DUP9 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1E35 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1E41 DUP11 DUP3 DUP12 ADD PUSH2 0x1A4A JUMP JUMPDEST SWAP5 POP POP PUSH1 0x80 DUP9 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1E5E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1E6A DUP11 DUP3 DUP12 ADD PUSH2 0x19DE JUMP JUMPDEST SWAP4 POP POP PUSH1 0xA0 PUSH2 0x1E7B DUP11 DUP3 DUP12 ADD PUSH2 0x1C88 JUMP JUMPDEST SWAP3 POP POP PUSH1 0xC0 PUSH2 0x1E8C DUP11 DUP3 DUP12 ADD PUSH2 0x19D2 JUMP JUMPDEST SWAP2 POP POP SWAP3 SWAP6 SWAP9 SWAP2 SWAP5 SWAP8 POP SWAP3 SWAP6 POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0x40 DUP5 DUP7 SUB SLT ISZERO PUSH2 0x1EB0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP4 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1EC7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1ED3 DUP7 DUP3 DUP8 ADD PUSH2 0x1AA7 JUMP JUMPDEST SWAP4 POP SWAP4 POP POP PUSH1 0x20 PUSH2 0x1EE6 DUP7 DUP3 DUP8 ADD PUSH2 0x1C88 JUMP JUMPDEST SWAP2 POP POP SWAP3 POP SWAP3 POP SWAP3 JUMP JUMPDEST PUSH2 0x1EF9 DUP2 PUSH2 0x24EF JUMP JUMPDEST DUP3 MSTORE POP POP JUMP JUMPDEST PUSH1 0x23 DUP2 MSTORE PUSH32 0x44454641554C545F46554E4354494F4E5F574554485F434F4E54524143545F4F PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x4E4C590000000000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x11 DUP2 MSTORE PUSH32 0x494E56414C49445F4D53475F56414C5545000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xD DUP2 MSTORE PUSH32 0x4F564552534F4C445F5745544800000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x11 DUP2 MSTORE PUSH32 0x55494E543235365F554E444552464C4F57000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x26 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F33325F4C454E4754485F5245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5155495245440000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x10 DUP2 MSTORE PUSH32 0x4449564953494F4E5F42595F5A45524F00000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x10 DUP2 MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x17 DUP2 MSTORE PUSH32 0x554E535550504F525445445F41535345545F50524F5859000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0xF DUP2 MSTORE PUSH32 0x5452414E534645525F4641494C45440000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x14 DUP2 MSTORE PUSH32 0x434F4D504C4554455F46494C4C5F4641494C4544000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x1A DUP2 MSTORE PUSH32 0x494E53554646494349454E545F4554485F52454D41494E494E47000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x13 DUP2 MSTORE PUSH32 0x4F4E4C595F434F4E54524143545F4F574E455200000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x18 DUP2 MSTORE PUSH32 0x4645455F50455243454E544147455F544F4F5F4C415247450000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x26 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F32305F4C454E4754485F5245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5155495245440000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x25 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F345F4C454E4754485F524551 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5549524544000000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0xE DUP2 MSTORE PUSH32 0x494E56414C49445F414D4F554E54000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST DUP1 MLOAD PUSH1 0x80 DUP4 ADD SWAP1 PUSH2 0x22A8 DUP5 DUP3 PUSH2 0x22DD JUMP JUMPDEST POP PUSH1 0x20 DUP3 ADD MLOAD PUSH2 0x22BB PUSH1 0x20 DUP6 ADD DUP3 PUSH2 0x22DD JUMP JUMPDEST POP PUSH1 0x40 DUP3 ADD MLOAD PUSH2 0x22CE PUSH1 0x40 DUP6 ADD DUP3 PUSH2 0x22DD JUMP JUMPDEST POP PUSH1 0x60 DUP3 ADD MLOAD PUSH2 0x15C4 PUSH1 0x60 DUP6 ADD DUP3 JUMPDEST PUSH2 0x1EF9 DUP2 PUSH2 0x2508 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x7BD DUP3 DUP5 PUSH2 0x1EF0 JUMP JUMPDEST PUSH1 0x60 DUP2 ADD PUSH2 0x2302 DUP3 DUP7 PUSH2 0x1EF0 JUMP JUMPDEST PUSH2 0x230F PUSH1 0x20 DUP4 ADD DUP6 PUSH2 0x1EF0 JUMP JUMPDEST PUSH2 0x1CB2 PUSH1 0x40 DUP4 ADD DUP5 PUSH2 0x22DD JUMP JUMPDEST PUSH1 0x40 DUP2 ADD PUSH2 0x232A DUP3 DUP6 PUSH2 0x1EF0 JUMP JUMPDEST PUSH2 0x10EA PUSH1 0x20 DUP4 ADD DUP5 PUSH2 0x22DD JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x1EFF JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x1F55 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x1F85 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x1FB5 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x1FE5 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x203B JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x206B JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x209B JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x20CB JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x20FB JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x212B JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x215B JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x218B JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x21BB JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x2211 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x7BD DUP2 PUSH2 0x2267 JUMP JUMPDEST PUSH2 0x100 DUP2 ADD PUSH2 0x2446 DUP3 DUP6 PUSH2 0x2297 JUMP JUMPDEST PUSH2 0x10EA PUSH1 0x80 DUP4 ADD DUP5 PUSH2 0x2297 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x7BD DUP3 DUP5 PUSH2 0x22DD JUMP JUMPDEST PUSH1 0x40 MLOAD DUP2 DUP2 ADD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT DUP3 DUP3 LT OR ISZERO PUSH2 0x2480 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x40 MSTORE SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH8 0xFFFFFFFFFFFFFFFF DUP3 GT ISZERO PUSH2 0x249F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x20 SWAP1 DUP2 MUL ADD SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH8 0xFFFFFFFFFFFFFFFF DUP3 GT ISZERO PUSH2 0x24C0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x20 PUSH1 0x1F SWAP2 SWAP1 SWAP2 ADD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 AND ADD SWAP1 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST SWAP1 JUMP JUMPDEST DUP3 DUP2 DUP4 CALLDATACOPY POP PUSH1 0x0 SWAP2 ADD MSTORE JUMP STOP LOG2 PUSH6 0x627A7A723058 KECCAK256 XOR GAS DELEGATECALL 0xa5 0xe8 MSTORE JUMPDEST 0xc KECCAK256 SWAP9 EXTCODESIZE CALLCODE 0x2c MULMOD PUSH24 0x3A1CAB3F704716CBA4C8DA3B112601CD666C657870657269 PUSH14 0x656E74616CF50037000000000000 ", + "sourceMap": 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"2.0.0/protocol/AssetProxy/ERC20Proxy.sol": { + "id": 14 + }, + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": { + "id": 15 + }, + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": { + "id": 16 + }, + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": { + "id": 17 + }, + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": { + "id": 18 + }, + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": { + "id": 19 + }, + "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": { + "id": 20 + }, + "2.0.0/protocol/Exchange/Exchange.sol": { + "id": 21 + }, + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": { + "id": 22 + }, + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": { + "id": 23 + }, + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": { + "id": 24 + }, + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": { + "id": 25 + }, + "2.0.0/protocol/Exchange/MixinTransactions.sol": { + "id": 26 + }, + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": { + "id": 27 + }, + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": { + "id": 28 + }, + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": { + "id": 29 + }, + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": { + "id": 30 + }, + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": { + "id": 31 + }, + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": { + "id": 32 + }, + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": { + "id": 33 + }, + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": { + "id": 34 + }, + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": { + "id": 35 + }, + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": { + "id": 36 + }, + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": { + "id": 37 + }, + "2.0.0/protocol/Exchange/libs/LibConstants.sol": { + "id": 38 + }, + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": { + "id": 39 + }, + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": { + "id": 40 + }, + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": { + "id": 41 + }, + "2.0.0/protocol/Exchange/libs/LibMath.sol": { + "id": 42 + }, + "2.0.0/protocol/Exchange/libs/LibOrder.sol": { + "id": 43 + }, + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": { + "id": 44 + }, + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": { + "id": 45 + }, + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": { + "id": 46 + }, + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": { + "id": 47 + }, + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": { + "id": 48 + }, + "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": { + "id": 49 + }, + "2.0.0/tokens/ERC20Token/IERC20Token.sol": { + "id": 50 + }, + "2.0.0/tokens/ERC721Token/IERC721Token.sol": { + "id": 51 + }, + "2.0.0/tokens/EtherToken/IEtherToken.sol": { + "id": 52 + }, + "2.0.0/utils/LibBytes/LibBytes.sol": { + "id": 53 + }, + "2.0.0/utils/Ownable/IOwnable.sol": { + "id": 54 + }, + "2.0.0/utils/Ownable/Ownable.sol": { + "id": 55 + }, + "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": { + "id": 56 + }, + "2.0.0/utils/SafeMath/SafeMath.sol": { + "id": 57 + } + }, + "sourceCodes": { + "2.0.0/extensions/Forwarder/Forwarder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinWeth.sol\";\nimport \"./MixinForwarderCore.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinAssets.sol\";\nimport \"./MixinExchangeWrapper.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Forwarder is\n LibConstants,\n MixinWeth,\n MixinAssets,\n MixinExchangeWrapper,\n MixinForwarderCore\n{\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n LibConstants(\n _exchange,\n _zrxAssetData,\n _wethAssetData\n )\n MixinForwarderCore()\n {}\n}\n", + "2.0.0/extensions/Forwarder/MixinAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MAssets.sol\";\n\n\ncontract MixinAssets is\n Ownable,\n LibConstants,\n MAssets\n{\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256(\"transfer(address,uint256)\"));\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external\n onlyOwner\n {\n transferAssetToSender(assetData, amount);\n }\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n bytes4 proxyId = assetData.readBytes4(0);\n\n if (proxyId == ERC20_DATA_ID) {\n transferERC20Token(assetData, amount);\n } else if (proxyId == ERC721_DATA_ID) {\n transferERC721Token(assetData, amount);\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n }\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n address token = assetData.readAddress(16);\n\n // Transfer tokens.\n // We do a raw call so we can check the success separate\n // from the return data.\n bool success = token.call(abi.encodeWithSelector(\n ERC20_TRANSFER_SELECTOR,\n msg.sender,\n amount\n ));\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n \n // Check return data.\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // value that evaluates to true.\n assembly {\n if returndatasize {\n success := 0\n if eq(returndatasize, 32) {\n // First 64 bytes of memory are reserved scratch space\n returndatacopy(0, 0, 32)\n success := mload(0)\n }\n }\n }\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n }\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n require(\n amount == 1,\n \"INVALID_AMOUNT\"\n );\n // Decode asset data.\n address token = assetData.readAddress(16);\n uint256 tokenId = assetData.readUint256(36);\n\n // Perform transfer.\n IERC721Token(token).transferFrom(\n address(this),\n msg.sender,\n tokenId\n );\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"../../protocol/Exchange/libs/LibAbiEncoder.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinExchangeWrapper is\n LibAbiEncoder,\n LibFillResults,\n LibMath,\n LibConstants,\n MExchangeWrapper\n{\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n address exchange = address(EXCHANGE);\n\n // Call `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := call(\n gas, // forward all gas\n exchange, // call address of Exchange contract\n 0, // transfer 0 wei\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of WETH to sell\n uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of WETH\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount;\n if (makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n\n require(\n makerAssetFilledAmount >= makerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n // Do nothing if zrxBuyAmount == 0\n if (zrxBuyAmount == 0) {\n return totalFillResults;\n }\n\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n uint256 zrxPurchased = 0;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // All of these are ZRX/WETH, so we can drop the respective assetData from calldata.\n orders[i].makerAssetData = zrxAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of ZRX to buy.\n uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased);\n\n // Convert the remaining amount of ZRX to buy into remaining amount\n // of WETH to sell, assuming entire amount can be sold in the current order.\n uint256 remainingWethSellAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees \n remainingZrxBuyAmount\n );\n\n // Attempt to sell the remaining amount of WETH.\n FillResults memory singleFillResult = fillOrderNoThrow(\n orders[i],\n safeAdd(remainingWethSellAmount, 1), // we add 1 wei to the fill amount to make up for rounding errors\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker.\n addFillResults(totalFillResults, singleFillResult);\n zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid);\n\n // Stop execution if the entire amount of ZRX has been bought.\n if (zrxPurchased >= zrxBuyAmount) {\n break;\n }\n }\n\n require(\n zrxPurchased >= zrxBuyAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\nimport \"./mixins/MAssets.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"./interfaces/IForwarderCore.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinForwarderCore is\n LibFillResults,\n LibMath,\n LibConstants,\n MWeth,\n MAssets,\n MExchangeWrapper,\n IForwarderCore\n{\n using LibBytes for bytes;\n\n /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf.\n constructor ()\n public\n {\n address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID);\n require(\n proxyAddress != address(0),\n \"UNREGISTERED_ASSET_PROXY\"\n );\n ETHER_TOKEN.approve(proxyAddress, MAX_UINT);\n ZRX_TOKEN.approve(proxyAddress, MAX_UINT);\n }\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 wethSellAmount;\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // Calculate amount of WETH that won't be spent on ETH fees.\n wethSellAmount = getPartialAmountFloor(\n PERCENTAGE_DENOMINATOR,\n safeAdd(PERCENTAGE_DENOMINATOR, feePercentage),\n msg.value\n );\n // Market sell available WETH.\n // ZRX fees are paid with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // 5% of WETH is reserved for filling feeOrders and paying feeRecipient.\n wethSellAmount = getPartialAmountFloor(\n MAX_WETH_FILL_PERCENTAGE,\n PERCENTAGE_DENOMINATOR,\n msg.value\n );\n // Market sell 95% of WETH.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // If the makerAsset is ZRX, it is not necessary to pay fees out of this\n // contracts's ZRX balance because fees are factored into the price of the order.\n orderFillResults = marketBuyExactZrxWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // Attemp to purchase desired amount of makerAsset.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketBuyExactAmountWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\n\n\ncontract MixinWeth is\n LibMath,\n LibConstants,\n MWeth\n{\n /// @dev Default payabale function, this allows us to withdraw WETH\n function ()\n public\n payable\n {\n require(\n msg.sender == address(ETHER_TOKEN),\n \"DEFAULT_FUNCTION_WETH_CONTRACT_ONLY\"\n );\n }\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal\n {\n require(\n msg.value > 0,\n \"INVALID_MSG_VALUE\"\n );\n ETHER_TOKEN.deposit.value(msg.value)();\n }\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal\n {\n // Ensure feePercentage is less than 5%.\n require(\n feePercentage <= MAX_FEE_PERCENTAGE,\n \"FEE_PERCENTAGE_TOO_LARGE\"\n );\n\n // Ensure that no extra WETH owned by this contract has been sold.\n uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx);\n require(\n wethSold <= msg.value,\n \"OVERSOLD_WETH\"\n );\n\n // Calculate amount of WETH that hasn't been sold.\n uint256 wethRemaining = safeSub(msg.value, wethSold);\n\n // Calculate ETH fee to pay to feeRecipient.\n uint256 ethFee = getPartialAmountFloor(\n feePercentage,\n PERCENTAGE_DENOMINATOR,\n wethSoldExcludingFeeOrders\n );\n\n // Ensure fee is less than amount of WETH remaining.\n require(\n ethFee <= wethRemaining,\n \"INSUFFICIENT_ETH_REMAINING\"\n );\n \n // Do nothing if no WETH remaining\n if (wethRemaining > 0) {\n // Convert remaining WETH to ETH\n ETHER_TOKEN.withdraw(wethRemaining);\n\n // Pay ETH to feeRecipient\n if (ethFee > 0) {\n feeRecipient.transfer(ethFee);\n }\n\n // Refund remaining ETH to msg.sender.\n uint256 ethRefund = safeSub(wethRemaining, ethFee);\n if (ethRefund > 0) {\n msg.sender.transfer(ethRefund);\n }\n }\n }\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssets {\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external;\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract IForwarderCore {\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n}\n", + "2.0.0/extensions/Forwarder/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/LibBytes/LibBytes.sol\";\nimport \"../../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../../tokens/EtherToken/IEtherToken.sol\";\nimport \"../../../tokens/ERC20Token/IERC20Token.sol\";\n\n\ncontract LibConstants {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n uint256 constant internal MAX_UINT = 2**256 - 1;\n uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; \n uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5%\n uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95%\n \n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n IEtherToken internal ETHER_TOKEN;\n IERC20Token internal ZRX_TOKEN;\n bytes internal ZRX_ASSET_DATA;\n bytes internal WETH_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n WETH_ASSET_DATA = _wethAssetData;\n\n address etherToken = _wethAssetData.readAddress(16);\n address zrxToken = _zrxAssetData.readAddress(16);\n ETHER_TOKEN = IEtherToken(etherToken);\n ZRX_TOKEN = IERC20Token(zrxToken);\n }\n}\n", + "2.0.0/extensions/Forwarder/mixins/MAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssets.sol\";\n\n\ncontract MAssets is\n IAssets\n{\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract MExchangeWrapper {\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n}\n", + "2.0.0/extensions/Forwarder/mixins/MWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract MWeth {\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal;\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal;\n}\n", + "2.0.0/extensions/OrderValidator/OrderValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract OrderValidator {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n struct TraderInfo {\n uint256 makerBalance; // Maker's balance of makerAsset\n uint256 makerAllowance; // Maker's allowance to corresponding AssetProxy\n uint256 takerBalance; // Taker's balance of takerAsset\n uint256 takerAllowance; // Taker's allowance to corresponding AssetProxy\n uint256 makerZrxBalance; // Maker's balance of ZRX\n uint256 makerZrxAllowance; // Maker's allowance of ZRX to ERC20Proxy\n uint256 takerZrxBalance; // Taker's balance of ZRX\n uint256 takerZrxAllowance; // Taker's allowance of ZRX to ERC20Proxy\n }\n\n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n bytes internal ZRX_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (address _exchange, bytes memory _zrxAssetData)\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n }\n\n /// @dev Fetches information for order and maker/taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return OrderInfo and TraderInfo instances for given order.\n function getOrderAndTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo, TraderInfo memory traderInfo)\n {\n orderInfo = EXCHANGE.getOrderInfo(order);\n traderInfo = getTraderInfo(order, takerAddress);\n return (orderInfo, traderInfo);\n }\n\n /// @dev Fetches information for all passed in orders and the makers/takers of each order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Arrays of OrderInfo and TraderInfo instances that correspond to each order.\n function getOrdersAndTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (LibOrder.OrderInfo[] memory ordersInfo, TraderInfo[] memory tradersInfo)\n {\n ordersInfo = EXCHANGE.getOrdersInfo(orders);\n tradersInfo = getTradersInfo(orders, takerAddresses);\n return (ordersInfo, tradersInfo);\n }\n\n /// @dev Fetches balance and allowances for maker and taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return Balances and allowances of maker and taker of order.\n function getTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (TraderInfo memory traderInfo)\n {\n (traderInfo.makerBalance, traderInfo.makerAllowance) = getBalanceAndAllowance(order.makerAddress, order.makerAssetData);\n (traderInfo.takerBalance, traderInfo.takerAllowance) = getBalanceAndAllowance(takerAddress, order.takerAssetData);\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n (traderInfo.makerZrxBalance, traderInfo.makerZrxAllowance) = getBalanceAndAllowance(order.makerAddress, zrxAssetData);\n (traderInfo.takerZrxBalance, traderInfo.takerZrxAllowance) = getBalanceAndAllowance(takerAddress, zrxAssetData);\n return traderInfo;\n }\n\n /// @dev Fetches balances and allowances of maker and taker for each provided order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Array of balances and allowances for maker and taker of each order.\n function getTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (TraderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n TraderInfo[] memory tradersInfo = new TraderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n tradersInfo[i] = getTraderInfo(orders[i], takerAddresses[i]);\n }\n return tradersInfo;\n }\n\n /// @dev Fetches token balances and allowances of an address to given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Encoded data that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balance of asset and allowance set to given proxy of asset.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalanceAndAllowance(address target, bytes memory assetData)\n public\n view\n returns (uint256 balance, uint256 allowance)\n {\n bytes4 assetProxyId = assetData.readBytes4(0);\n address token = assetData.readAddress(16);\n address assetProxy = EXCHANGE.getAssetProxy(assetProxyId);\n\n if (assetProxyId == ERC20_DATA_ID) {\n // Query balance\n balance = IERC20Token(token).balanceOf(target);\n\n // Query allowance\n allowance = IERC20Token(token).allowance(target, assetProxy);\n } else if (assetProxyId == ERC721_DATA_ID) {\n uint256 tokenId = assetData.readUint256(36);\n\n // Query owner of tokenId\n address owner = getERC721TokenOwner(token, tokenId);\n\n // Set balance to 1 if tokenId is owned by target\n balance = target == owner ? 1 : 0;\n\n // Check if ERC721Proxy is approved to spend tokenId\n bool isApproved = IERC721Token(token).isApprovedForAll(target, assetProxy) || IERC721Token(token).getApproved(tokenId) == assetProxy;\n \n // Set alowance to 1 if ERC721Proxy is approved to spend tokenId\n allowance = isApproved ? 1 : 0;\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n return (balance, allowance);\n }\n\n /// @dev Fetches token balances and allowances of an address for each given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Array of encoded byte arrays that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balances and allowances of assets.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalancesAndAllowances(address target, bytes[] memory assetData)\n public\n view\n returns (uint256[] memory, uint256[] memory)\n {\n uint256 length = assetData.length;\n uint256[] memory balances = new uint256[](length);\n uint256[] memory allowances = new uint256[](length);\n for (uint256 i = 0; i != length; i++) {\n (balances[i], allowances[i]) = getBalanceAndAllowance(target, assetData[i]);\n }\n return (balances, allowances);\n }\n\n /// @dev Calls `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token.\n /// @param token Address of ERC721 token.\n /// @param tokenId The identifier for the specific NFT.\n /// @return Owner of tokenId or null address if unowned.\n function getERC721TokenOwner(address token, uint256 tokenId)\n public\n view\n returns (address owner)\n {\n assembly {\n // load free memory pointer\n let cdStart := mload(64)\n\n // bytes4(keccak256(ownerOf(uint256))) = 0x6352211e\n mstore(cdStart, 0x6352211e00000000000000000000000000000000000000000000000000000000)\n mstore(add(cdStart, 4), tokenId)\n\n // staticcall `ownerOf(tokenId)`\n // `ownerOf` will revert if tokenId is not owned\n let success := staticcall(\n gas, // forward all gas\n token, // call token contract\n cdStart, // start of calldata\n 36, // length of input is 36 bytes\n cdStart, // write output over input\n 32 // size of output is 32 bytes\n )\n\n // Success implies that tokenId is owned\n // Copy owner from return data if successful\n if success {\n owner := mload(cdStart)\n } \n }\n\n // Owner initialized to address(0), no need to modify if call is unsuccessful\n return owner;\n }\n}\n", + "2.0.0/multisig/MultiSigWallet.sol": "// solhint-disable\npragma solidity ^0.4.15;\n\n\n/// @title Multisignature wallet - Allows multiple parties to agree on transactions before execution.\n/// @author Stefan George - \ncontract MultiSigWallet {\n\n /*\n * Events\n */\n event Confirmation(address indexed sender, uint indexed transactionId);\n event Revocation(address indexed sender, uint indexed transactionId);\n event Submission(uint indexed transactionId);\n event Execution(uint indexed transactionId);\n event ExecutionFailure(uint indexed transactionId);\n event Deposit(address indexed sender, uint value);\n event OwnerAddition(address indexed owner);\n event OwnerRemoval(address indexed owner);\n event RequirementChange(uint required);\n\n /*\n * Constants\n */\n uint constant public MAX_OWNER_COUNT = 50;\n\n /*\n * Storage\n */\n mapping (uint => Transaction) public transactions;\n mapping (uint => mapping (address => bool)) public confirmations;\n mapping (address => bool) public isOwner;\n address[] public owners;\n uint public required;\n uint public transactionCount;\n\n struct Transaction {\n address destination;\n uint value;\n bytes data;\n bool executed;\n }\n\n /*\n * Modifiers\n */\n modifier onlyWallet() {\n require(msg.sender == address(this));\n _;\n }\n\n modifier ownerDoesNotExist(address owner) {\n require(!isOwner[owner]);\n _;\n }\n\n modifier ownerExists(address owner) {\n require(isOwner[owner]);\n _;\n }\n\n modifier transactionExists(uint transactionId) {\n require(transactions[transactionId].destination != 0);\n _;\n }\n\n modifier confirmed(uint transactionId, address owner) {\n require(confirmations[transactionId][owner]);\n _;\n }\n\n modifier notConfirmed(uint transactionId, address owner) {\n require(!confirmations[transactionId][owner]);\n _;\n }\n\n modifier notExecuted(uint transactionId) {\n require(!transactions[transactionId].executed);\n _;\n }\n\n modifier notNull(address _address) {\n require(_address != 0);\n _;\n }\n\n modifier validRequirement(uint ownerCount, uint _required) {\n require(ownerCount <= MAX_OWNER_COUNT\n && _required <= ownerCount\n && _required != 0\n && ownerCount != 0);\n _;\n }\n\n /// @dev Fallback function allows to deposit ether.\n function()\n payable\n {\n if (msg.value > 0)\n Deposit(msg.sender, msg.value);\n }\n\n /*\n * Public functions\n */\n /// @dev Contract constructor sets initial owners and required number of confirmations.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n function MultiSigWallet(address[] _owners, uint _required)\n public\n validRequirement(_owners.length, _required)\n {\n for (uint i=0; i<_owners.length; i++) {\n require(!isOwner[_owners[i]] && _owners[i] != 0);\n isOwner[_owners[i]] = true;\n }\n owners = _owners;\n required = _required;\n }\n\n /// @dev Allows to add a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of new owner.\n function addOwner(address owner)\n public\n onlyWallet\n ownerDoesNotExist(owner)\n notNull(owner)\n validRequirement(owners.length + 1, required)\n {\n isOwner[owner] = true;\n owners.push(owner);\n OwnerAddition(owner);\n }\n\n /// @dev Allows to remove an owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner.\n function removeOwner(address owner)\n public\n onlyWallet\n ownerExists(owner)\n {\n isOwner[owner] = false;\n for (uint i=0; i owners.length)\n changeRequirement(owners.length);\n OwnerRemoval(owner);\n }\n\n /// @dev Allows to replace an owner with a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner to be replaced.\n /// @param newOwner Address of new owner.\n function replaceOwner(address owner, address newOwner)\n public\n onlyWallet\n ownerExists(owner)\n ownerDoesNotExist(newOwner)\n {\n for (uint i=0; i\n// solhint-disable not-rely-on-time\ncontract MultiSigWalletWithTimeLock is\n MultiSigWallet\n{\n event ConfirmationTimeSet(uint256 indexed transactionId, uint256 confirmationTime);\n event TimeLockChange(uint256 secondsTimeLocked);\n\n uint256 public secondsTimeLocked;\n\n mapping (uint256 => uint256) public confirmationTimes;\n\n modifier notFullyConfirmed(uint256 transactionId) {\n require(\n !isConfirmed(transactionId),\n \"TX_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier fullyConfirmed(uint256 transactionId) {\n require(\n isConfirmed(transactionId),\n \"TX_NOT_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier pastTimeLock(uint256 transactionId) {\n require(\n block.timestamp >= confirmationTimes[transactionId] + secondsTimeLocked,\n \"TIME_LOCK_INCOMPLETE\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations, and time lock.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] _owners,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWallet(_owners, _required)\n {\n secondsTimeLocked = _secondsTimeLocked;\n }\n\n /// @dev Changes the duration of the time lock for transactions.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n function changeTimeLock(uint256 _secondsTimeLocked)\n public\n onlyWallet\n {\n secondsTimeLocked = _secondsTimeLocked;\n emit TimeLockChange(_secondsTimeLocked);\n }\n\n /// @dev Allows an owner to confirm a transaction.\n /// @param transactionId Transaction ID.\n function confirmTransaction(uint256 transactionId)\n public\n ownerExists(msg.sender)\n transactionExists(transactionId)\n notConfirmed(transactionId, msg.sender)\n notFullyConfirmed(transactionId)\n {\n confirmations[transactionId][msg.sender] = true;\n emit Confirmation(msg.sender, transactionId);\n if (isConfirmed(transactionId)) {\n setConfirmationTime(transactionId, block.timestamp);\n }\n }\n\n /// @dev Allows anyone to execute a confirmed transaction.\n /// @param transactionId Transaction ID.\n function executeTransaction(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n pastTimeLock(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n\n /// @dev Sets the time of when a submission first passed.\n function setConfirmationTime(uint256 transactionId, uint256 confirmationTime)\n internal\n {\n confirmationTimes[transactionId] = confirmationTime;\n emit ConfirmationTimeSet(transactionId, confirmationTime);\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC20Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n \n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 1 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n\n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. amount |\n\n /////// Read token address from calldata ///////\n // * The token address is stored in `assetData`.\n //\n // * The \"offset to assetData\" is stored at offset 4 in the calldata (table 1).\n // [assetDataOffsetFromParams = calldataload(4)]\n //\n // * Notes that the \"offset to assetData\" is relative to the \"Params\" area of calldata;\n // add 4 bytes to account for the length of the \"Header\" area (table 1).\n // [assetDataOffsetFromHeader = assetDataOffsetFromParams + 4]\n //\n // * The \"token address\" is offset 32+4=36 bytes into \"assetData\" (tables 1 & 2).\n // [tokenOffset = assetDataOffsetFromHeader + 36 = calldataload(4) + 4 + 36]\n let token := calldataload(add(calldataload(4), 40))\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from`, `to` and `amount` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 96)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output over input\n 32 // output size should be 32 bytes\n )\n\n /////// Check return data. ///////\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // nonzero 32 bytes value.\n // So the transfer succeeded if the call succeeded and either\n // returned nothing, or returned a non-zero 32 byte value. \n success := and(success, or(\n iszero(returndatasize),\n and(\n eq(returndatasize, 32),\n gt(mload(0), 0)\n )\n ))\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC721Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 2 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n // | | 36 | | 2. tokenId |\n \n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. tokenId |\n\n // There exists only 1 of each token.\n // require(amount == 1, \"INVALID_AMOUNT\")\n if sub(calldataload(100), 1) {\n // Revert with `Error(\"INVALID_AMOUNT\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from` and `to` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 64)\n\n // Copy `tokenId` field from our own calldata to the new calldata.\n let assetDataOffset := calldataload(4)\n calldatacopy(68, add(assetDataOffset, 72), 32)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let token := calldataload(add(assetDataOffset, 40))\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output to null\n 0 // output size is 0 bytes\n )\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAuthorizable.sol\";\n\n\ncontract MixinAuthorizable is\n Ownable,\n MAuthorizable\n{\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized {\n require(\n authorized[msg.sender],\n \"SENDER_NOT_AUTHORIZED\"\n );\n _;\n }\n\n mapping (address => bool) public authorized;\n address[] public authorities;\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n !authorized[target],\n \"TARGET_ALREADY_AUTHORIZED\"\n );\n\n authorized[target] = true;\n authorities.push(target);\n emit AuthorizedAddressAdded(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n\n delete authorized[target];\n for (uint256 i = 0; i < authorities.length; i++) {\n if (authorities[i] == target) {\n authorities[i] = authorities[authorities.length - 1];\n authorities.length -= 1;\n break;\n }\n }\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n require(\n index < authorities.length,\n \"INDEX_OUT_OF_BOUNDS\"\n );\n require(\n authorities[index] == target,\n \"AUTHORIZED_ADDRESS_MISMATCH\"\n );\n\n delete authorized[target];\n authorities[index] = authorities[authorities.length - 1];\n authorities.length -= 1;\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory)\n {\n return authorities;\n }\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IAuthorizable.sol\";\n\n\ncontract IAssetProxy is\n IAuthorizable\n{\n /// @dev Transfers assets. Either succeeds or throws.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n function transferFrom(\n bytes assetData,\n address from,\n address to,\n uint256 amount\n )\n external;\n \n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4);\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/Ownable/IOwnable.sol\";\n\n\ncontract IAuthorizable is\n IOwnable\n{\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external;\n \n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory);\n}\n", + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAuthorizable.sol\";\n\n\ncontract MAuthorizable is\n IAuthorizable\n{\n // Event logged when a new address is authorized.\n event AuthorizedAddressAdded(\n address indexed target,\n address indexed caller\n );\n\n // Event logged when a currently authorized address is unauthorized.\n event AuthorizedAddressRemoved(\n address indexed target,\n address indexed caller\n );\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized { revert(); _; }\n}\n", + "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../multisig/MultiSigWalletWithTimeLock.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract AssetProxyOwner is\n MultiSigWalletWithTimeLock\n{\n using LibBytes for bytes;\n\n event AssetProxyRegistration(address assetProxyContract, bool isRegistered);\n\n // Mapping of AssetProxy contract address =>\n // if this contract is allowed to call the AssetProxy's `removeAuthorizedAddressAtIndex` method without a time lock.\n mapping (address => bool) public isAssetProxyRegistered;\n\n bytes4 constant internal REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR = bytes4(keccak256(\"removeAuthorizedAddressAtIndex(address,uint256)\"));\n\n /// @dev Function will revert if the transaction does not call `removeAuthorizedAddressAtIndex`\n /// on an approved AssetProxy contract.\n modifier validRemoveAuthorizedAddressAtIndexTx(uint256 transactionId) {\n Transaction storage txn = transactions[transactionId];\n require(\n isAssetProxyRegistered[txn.destination],\n \"UNREGISTERED_ASSET_PROXY\"\n );\n require(\n txn.data.readBytes4(0) == REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR,\n \"INVALID_FUNCTION_SELECTOR\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations,\n /// time lock, and list of AssetProxy addresses.\n /// @param _owners List of initial owners.\n /// @param _assetProxyContracts Array of AssetProxy contract addresses.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] memory _owners,\n address[] memory _assetProxyContracts,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWalletWithTimeLock(_owners, _required, _secondsTimeLocked)\n {\n for (uint256 i = 0; i < _assetProxyContracts.length; i++) {\n address assetProxy = _assetProxyContracts[i];\n require(\n assetProxy != address(0),\n \"INVALID_ASSET_PROXY\"\n );\n isAssetProxyRegistered[assetProxy] = true;\n }\n }\n\n /// @dev Registers or deregisters an AssetProxy to be able to execute\n /// `removeAuthorizedAddressAtIndex` without a timelock.\n /// @param assetProxyContract Address of AssetProxy contract.\n /// @param isRegistered Status of approval for AssetProxy contract.\n function registerAssetProxy(address assetProxyContract, bool isRegistered)\n public\n onlyWallet\n notNull(assetProxyContract)\n {\n isAssetProxyRegistered[assetProxyContract] = isRegistered;\n emit AssetProxyRegistration(assetProxyContract, isRegistered);\n }\n\n /// @dev Allows execution of `removeAuthorizedAddressAtIndex` without time lock.\n /// @param transactionId Transaction ID.\n function executeRemoveAuthorizedAddressAtIndex(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n validRemoveAuthorizedAddressAtIndexTx(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n}\n", + "2.0.0/protocol/Exchange/Exchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinExchangeCore.sol\";\nimport \"./MixinSignatureValidator.sol\";\nimport \"./MixinWrapperFunctions.sol\";\nimport \"./MixinAssetProxyDispatcher.sol\";\nimport \"./MixinTransactions.sol\";\nimport \"./MixinMatchOrders.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Exchange is\n MixinExchangeCore,\n MixinMatchOrders,\n MixinSignatureValidator,\n MixinTransactions,\n MixinAssetProxyDispatcher,\n MixinWrapperFunctions\n{\n string constant public VERSION = \"2.0.0\";\n\n // Mixins are instantiated in the order they are inherited\n constructor ()\n public\n MixinExchangeCore()\n MixinMatchOrders()\n MixinSignatureValidator()\n MixinTransactions()\n MixinAssetProxyDispatcher()\n MixinWrapperFunctions()\n {}\n}\n", + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\nimport \"../AssetProxy/interfaces/IAssetProxy.sol\";\n\n\ncontract MixinAssetProxyDispatcher is\n Ownable,\n MAssetProxyDispatcher\n{\n // Mapping from Asset Proxy Id's to their respective Asset Proxy\n mapping (bytes4 => IAssetProxy) public assetProxies;\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external\n onlyOwner\n {\n IAssetProxy assetProxyContract = IAssetProxy(assetProxy);\n\n // Ensure that no asset proxy exists with current id.\n bytes4 assetProxyId = assetProxyContract.getProxyId();\n address currentAssetProxy = assetProxies[assetProxyId];\n require(\n currentAssetProxy == address(0),\n \"ASSET_PROXY_ALREADY_EXISTS\"\n );\n\n // Add asset proxy and log registration.\n assetProxies[assetProxyId] = assetProxyContract;\n emit AssetProxyRegistered(\n assetProxyId,\n assetProxy\n );\n }\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address)\n {\n return assetProxies[assetProxyId];\n }\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal\n {\n // Do nothing if no amount should be transferred.\n if (amount > 0 && from != to) {\n // Ensure assetData length is valid\n require(\n assetData.length > 3,\n \"LENGTH_GREATER_THAN_3_REQUIRED\"\n );\n \n // Lookup assetProxy. We do not use `LibBytes.readBytes4` for gas efficiency reasons.\n bytes4 assetProxyId;\n assembly {\n assetProxyId := and(mload(\n add(assetData, 32)),\n 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000\n )\n }\n address assetProxy = assetProxies[assetProxyId];\n\n // Ensure that assetProxy exists\n require(\n assetProxy != address(0),\n \"ASSET_PROXY_DOES_NOT_EXIST\"\n );\n \n // We construct calldata for the `assetProxy.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n\n assembly {\n /////// Setup State ///////\n // `cdStart` is the start of the calldata for `assetProxy.transferFrom` (equal to free memory ptr).\n let cdStart := mload(64)\n // `dataAreaLength` is the total number of words needed to store `assetData`\n // As-per the ABI spec, this value is padded up to the nearest multiple of 32,\n // and includes 32-bytes for length.\n let dataAreaLength := and(add(mload(assetData), 63), 0xFFFFFFFFFFFE0)\n // `cdEnd` is the end of the calldata for `assetProxy.transferFrom`.\n let cdEnd := add(cdStart, add(132, dataAreaLength))\n\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFromSelector`.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes.\n // Notes:\n // 1. The offset to `assetData` is the length of the Params Area (128 bytes).\n // 2. A 20-byte mask is applied to addresses to zero-out the unused bytes.\n mstore(add(cdStart, 4), 128)\n mstore(add(cdStart, 36), and(from, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 68), and(to, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 100), amount)\n \n /////// Setup Data Area ///////\n // This area holds `assetData`.\n let dataArea := add(cdStart, 132)\n // solhint-disable-next-line no-empty-blocks\n for {} lt(dataArea, cdEnd) {} {\n mstore(dataArea, mload(assetData))\n dataArea := add(dataArea, 32)\n assetData := add(assetData, 32)\n }\n\n /////// Call `assetProxy.transferFrom` using the constructed calldata ///////\n let success := call(\n gas, // forward all gas\n assetProxy, // call address of asset proxy\n 0, // don't send any ETH\n cdStart, // pointer to start of input\n sub(cdEnd, cdStart), // length of input \n cdStart, // write output over input\n 512 // reserve 512 bytes for output\n )\n if iszero(success) {\n revert(cdStart, returndatasize())\n }\n }\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinExchangeCore is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n LibOrder,\n LibFillResults,\n MAssetProxyDispatcher,\n MExchangeCore,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of orderHash => amount of takerAsset already bought by maker\n mapping (bytes32 => uint256) public filled;\n\n // Mapping of orderHash => cancelled\n mapping (bytes32 => bool) public cancelled;\n\n // Mapping of makerAddress => senderAddress => lowest salt an order can have in order to be fillable\n // Orders with specified senderAddress and with a salt less than their epoch are considered cancelled\n mapping (address => mapping (address => uint256)) public orderEpoch;\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external\n nonReentrant\n {\n address makerAddress = getCurrentContextAddress();\n // If this function is called via `executeTransaction`, we only update the orderEpoch for the makerAddress/msg.sender combination.\n // This allows external filter contracts to add rules to how orders are cancelled via this function.\n address senderAddress = makerAddress == msg.sender ? address(0) : msg.sender;\n\n // orderEpoch is initialized to 0, so to cancelUpTo we need salt + 1\n uint256 newOrderEpoch = targetOrderEpoch + 1; \n uint256 oldOrderEpoch = orderEpoch[makerAddress][senderAddress];\n\n // Ensure orderEpoch is monotonically increasing\n require(\n newOrderEpoch > oldOrderEpoch, \n \"INVALID_NEW_ORDER_EPOCH\"\n );\n\n // Update orderEpoch\n orderEpoch[makerAddress][senderAddress] = newOrderEpoch;\n emit CancelUpTo(\n makerAddress,\n senderAddress,\n newOrderEpoch\n );\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrder(Order memory order)\n public\n nonReentrant\n {\n cancelOrderInternal(order);\n }\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(Order memory order)\n public\n view\n returns (OrderInfo memory orderInfo)\n {\n // Compute the order hash\n orderInfo.orderHash = getOrderHash(order);\n\n // Fetch filled amount\n orderInfo.orderTakerAssetFilledAmount = filled[orderInfo.orderHash];\n\n // If order.makerAssetAmount is zero, we also reject the order.\n // While the Exchange contract handles them correctly, they create\n // edge cases in the supporting infrastructure because they have\n // an 'infinite' price when computed by a simple division.\n if (order.makerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_MAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // If order.takerAssetAmount is zero, then the order will always\n // be considered filled because 0 == takerAssetAmount == orderTakerAssetFilledAmount\n // Instead of distinguishing between unfilled and filled zero taker\n // amount orders, we choose not to support them.\n if (order.takerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_TAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // Validate order availability\n if (orderInfo.orderTakerAssetFilledAmount >= order.takerAssetAmount) {\n orderInfo.orderStatus = uint8(OrderStatus.FULLY_FILLED);\n return orderInfo;\n }\n\n // Validate order expiration\n // solhint-disable-next-line not-rely-on-time\n if (block.timestamp >= order.expirationTimeSeconds) {\n orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);\n return orderInfo;\n }\n\n // Check if order has been cancelled\n if (cancelled[orderInfo.orderHash]) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n if (orderEpoch[order.makerAddress][order.senderAddress] > order.salt) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n\n // All other statuses are ruled out: order is Fillable\n orderInfo.orderStatus = uint8(OrderStatus.FILLABLE);\n return orderInfo;\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // Fetch order info\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Assert that the order is fillable by taker\n assertFillableOrder(\n order,\n orderInfo,\n takerAddress,\n signature\n );\n \n // Get amount of takerAsset to fill\n uint256 remainingTakerAssetAmount = safeSub(order.takerAssetAmount, orderInfo.orderTakerAssetFilledAmount);\n uint256 takerAssetFilledAmount = min256(takerAssetFillAmount, remainingTakerAssetAmount);\n\n // Validate context\n assertValidFill(\n order,\n orderInfo,\n takerAssetFillAmount,\n takerAssetFilledAmount,\n fillResults.makerAssetFilledAmount\n );\n\n // Compute proportional fill amounts\n fillResults = calculateFillResults(order, takerAssetFilledAmount);\n\n // Update exchange internal state\n updateFilledState(\n order,\n takerAddress,\n orderInfo.orderHash,\n orderInfo.orderTakerAssetFilledAmount,\n fillResults\n );\n \n // Settle order\n settleOrder(\n order,\n takerAddress,\n fillResults\n );\n\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrderInternal(Order memory order)\n internal\n {\n // Fetch current order status\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Validate context\n assertValidCancel(order, orderInfo);\n\n // Perform cancel\n updateCancelledState(order, orderInfo.orderHash);\n }\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n function updateFilledState(\n Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n FillResults memory fillResults\n )\n internal\n {\n // Update state\n filled[orderHash] = safeAdd(orderTakerAssetFilledAmount, fillResults.takerAssetFilledAmount);\n\n // Log order\n emit Fill(\n order.makerAddress,\n order.feeRecipientAddress,\n takerAddress,\n msg.sender,\n fillResults.makerAssetFilledAmount,\n fillResults.takerAssetFilledAmount,\n fillResults.makerFeePaid,\n fillResults.takerFeePaid,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n Order memory order,\n bytes32 orderHash\n )\n internal\n {\n // Perform cancel\n cancelled[orderHash] = true;\n\n // Log cancel\n emit Cancel(\n order.makerAddress,\n order.feeRecipientAddress,\n msg.sender,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n Order memory order,\n OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view\n {\n // An order can only be filled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n \n // Validate sender is allowed to fill this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n \n // Validate taker is allowed to fill this order\n if (order.takerAddress != address(0)) {\n require(\n order.takerAddress == takerAddress,\n \"INVALID_TAKER\"\n );\n }\n \n // Validate Maker signature (check only if first time seen)\n if (orderInfo.orderTakerAssetFilledAmount == 0) {\n require(\n isValidSignature(\n orderInfo.orderHash,\n order.makerAddress,\n signature\n ),\n \"INVALID_ORDER_SIGNATURE\"\n );\n }\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n Order memory order,\n OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount, // TODO: use FillResults\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view\n {\n // Revert if fill amount is invalid\n // TODO: reconsider necessity for v2.1\n require(\n takerAssetFillAmount != 0,\n \"INVALID_TAKER_AMOUNT\"\n );\n \n // Make sure taker does not pay more than desired amount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n takerAssetFilledAmount <= takerAssetFillAmount,\n \"TAKER_OVERPAY\"\n );\n \n // Make sure order is not overfilled\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeAdd(orderInfo.orderTakerAssetFilledAmount, takerAssetFilledAmount) <= order.takerAssetAmount,\n \"ORDER_OVERFILL\"\n );\n \n // Make sure order is filled at acceptable price.\n // The order has an implied price from the makers perspective:\n // order price = order.makerAssetAmount / order.takerAssetAmount\n // i.e. the number of makerAsset maker is paying per takerAsset. The\n // maker is guaranteed to get this price or a better (lower) one. The\n // actual price maker is getting in this fill is:\n // fill price = makerAssetFilledAmount / takerAssetFilledAmount\n // We need `fill price <= order price` for the fill to be fair to maker.\n // This amounts to:\n // makerAssetFilledAmount order.makerAssetAmount\n // ------------------------ <= -----------------------\n // takerAssetFilledAmount order.takerAssetAmount\n // or, equivalently:\n // makerAssetFilledAmount * order.takerAssetAmount <=\n // order.makerAssetAmount * takerAssetFilledAmount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeMul(makerAssetFilledAmount, order.takerAssetAmount)\n <= \n safeMul(order.makerAssetAmount, takerAssetFilledAmount),\n \"INVALID_FILL_PRICE\"\n );\n }\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n Order memory order,\n OrderInfo memory orderInfo\n )\n internal\n view\n {\n // Ensure order is valid\n // An order can only be cancelled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Validate sender is allowed to cancel this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate transaction signed by maker\n address makerAddress = getCurrentContextAddress();\n require(\n order.makerAddress == makerAddress,\n \"INVALID_MAKER\"\n );\n }\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (FillResults memory fillResults)\n {\n // Compute proportional transfer amounts\n fillResults.takerAssetFilledAmount = takerAssetFilledAmount;\n fillResults.makerAssetFilledAmount = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n );\n fillResults.makerFeePaid = safeGetPartialAmountFloor(\n fillResults.makerAssetFilledAmount,\n order.makerAssetAmount,\n order.makerFee\n );\n fillResults.takerFeePaid = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.takerFee\n );\n\n return fillResults;\n }\n\n /// @dev Settles an order by transferring assets between counterparties.\n /// @param order Order struct containing order specifications.\n /// @param takerAddress Address selling takerAsset and buying makerAsset.\n /// @param fillResults Amounts to be filled and fees paid by maker and taker.\n function settleOrder(\n LibOrder.Order memory order,\n address takerAddress,\n LibFillResults.FillResults memory fillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n dispatchTransferFrom(\n order.makerAssetData,\n order.makerAddress,\n takerAddress,\n fillResults.makerAssetFilledAmount\n );\n dispatchTransferFrom(\n order.takerAssetData,\n takerAddress,\n order.makerAddress,\n fillResults.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n zrxAssetData,\n order.makerAddress,\n order.feeRecipientAddress,\n fillResults.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n order.feeRecipientAddress,\n fillResults.takerFeePaid\n );\n }\n}\n", + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": "/*\n Copyright 2018 ZeroEx Intl.\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n http://www.apache.org/licenses/LICENSE-2.0\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MMatchOrders.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinMatchOrders is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n MAssetProxyDispatcher,\n MExchangeCore,\n MMatchOrders,\n MTransactions\n{\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n nonReentrant\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We assume that rightOrder.takerAssetData == leftOrder.makerAssetData and rightOrder.makerAssetData == leftOrder.takerAssetData.\n // If this assumption isn't true, the match will fail at signature validation.\n rightOrder.makerAssetData = leftOrder.takerAssetData;\n rightOrder.takerAssetData = leftOrder.makerAssetData;\n\n // Get left & right order info\n LibOrder.OrderInfo memory leftOrderInfo = getOrderInfo(leftOrder);\n LibOrder.OrderInfo memory rightOrderInfo = getOrderInfo(rightOrder);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Either our context is valid or we revert\n assertFillableOrder(\n leftOrder,\n leftOrderInfo,\n takerAddress,\n leftSignature\n );\n assertFillableOrder(\n rightOrder,\n rightOrderInfo,\n takerAddress,\n rightSignature\n );\n assertValidMatch(leftOrder, rightOrder);\n\n // Compute proportional fill amounts\n matchedFillResults = calculateMatchedFillResults(\n leftOrder,\n rightOrder,\n leftOrderInfo.orderTakerAssetFilledAmount,\n rightOrderInfo.orderTakerAssetFilledAmount\n );\n\n // Validate fill contexts\n assertValidFill(\n leftOrder,\n leftOrderInfo,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.makerAssetFilledAmount\n );\n assertValidFill(\n rightOrder,\n rightOrderInfo,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n \n // Update exchange state\n updateFilledState(\n leftOrder,\n takerAddress,\n leftOrderInfo.orderHash,\n leftOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.left\n );\n updateFilledState(\n rightOrder,\n takerAddress,\n rightOrderInfo.orderHash,\n rightOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.right\n );\n\n // Settle matched orders. Succeeds or throws.\n settleMatchedOrders(\n leftOrder,\n rightOrder,\n takerAddress,\n matchedFillResults\n );\n\n return matchedFillResults;\n }\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure\n {\n // Make sure there is a profitable spread.\n // There is a profitable spread iff the cost per unit bought (OrderA.MakerAmount/OrderA.TakerAmount) for each order is greater\n // than the profit per unit sold of the matched order (OrderB.TakerAmount/OrderB.MakerAmount).\n // This is satisfied by the equations below:\n // / >= / \n // AND\n // / >= / \n // These equations can be combined to get the following:\n require(\n safeMul(leftOrder.makerAssetAmount, rightOrder.makerAssetAmount) >=\n safeMul(leftOrder.takerAssetAmount, rightOrder.takerAssetAmount),\n \"NEGATIVE_SPREAD_REQUIRED\"\n );\n }\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // Derive maker asset amounts for left & right orders, given store taker assert amounts\n uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);\n uint256 leftMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n leftTakerAssetAmountRemaining\n );\n uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);\n uint256 rightMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n rightOrder.makerAssetAmount,\n rightOrder.takerAssetAmount,\n rightTakerAssetAmountRemaining\n );\n\n // Calculate fill results for maker and taker assets: at least one order will be fully filled.\n // The maximum amount the left maker can buy is `leftTakerAssetAmountRemaining`\n // The maximum amount the right maker can sell is `rightMakerAssetAmountRemaining`\n // We have two distinct cases for calculating the fill results:\n // Case 1.\n // If the left maker can buy more than the right maker can sell, then only the right order is fully filled.\n // If the left maker can buy exactly what the right maker can sell, then both orders are fully filled.\n // Case 2.\n // If the left maker cannot buy more than the right maker can sell, then only the left order is fully filled.\n if (leftTakerAssetAmountRemaining >= rightMakerAssetAmountRemaining) {\n // Case 1: Right order is fully filled\n matchedFillResults.right.makerAssetFilledAmount = rightMakerAssetAmountRemaining;\n matchedFillResults.right.takerAssetFilledAmount = rightTakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = matchedFillResults.right.makerAssetFilledAmount;\n // Round down to ensure the maker's exchange rate does not exceed the price specified by the order. \n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.left.makerAssetFilledAmount = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n matchedFillResults.left.takerAssetFilledAmount\n );\n } else {\n // Case 2: Left order is fully filled\n matchedFillResults.left.makerAssetFilledAmount = leftMakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = leftTakerAssetAmountRemaining;\n matchedFillResults.right.makerAssetFilledAmount = matchedFillResults.left.takerAssetFilledAmount;\n // Round up to ensure the maker's exchange rate does not exceed the price specified by the order.\n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.right.takerAssetFilledAmount = safeGetPartialAmountCeil(\n rightOrder.takerAssetAmount,\n rightOrder.makerAssetAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n }\n\n // Calculate amount given to taker\n matchedFillResults.leftMakerAssetSpreadAmount = safeSub(\n matchedFillResults.left.makerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount\n );\n\n // Compute fees for left order\n matchedFillResults.left.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.makerAssetFilledAmount,\n leftOrder.makerAssetAmount,\n leftOrder.makerFee\n );\n matchedFillResults.left.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.takerAssetFilledAmount,\n leftOrder.takerAssetAmount,\n leftOrder.takerFee\n );\n\n // Compute fees for right order\n matchedFillResults.right.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.makerAssetFilledAmount,\n rightOrder.makerAssetAmount,\n rightOrder.makerFee\n );\n matchedFillResults.right.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.takerAssetFilledAmount,\n rightOrder.takerAssetAmount,\n rightOrder.takerFee\n );\n\n // Return fill results\n return matchedFillResults;\n }\n\n /// @dev Settles matched order by transferring appropriate funds between order makers, taker, and fee recipient.\n /// @param leftOrder First matched order.\n /// @param rightOrder Second matched order.\n /// @param takerAddress Address that matched the orders. The taker receives the spread between orders as profit.\n /// @param matchedFillResults Struct holding amounts to transfer between makers, taker, and fee recipients.\n function settleMatchedOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n address takerAddress,\n LibFillResults.MatchedFillResults memory matchedFillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n // Order makers and taker\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n rightOrder.makerAddress,\n matchedFillResults.right.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n rightOrder.makerAssetData,\n rightOrder.makerAddress,\n leftOrder.makerAddress,\n matchedFillResults.left.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n takerAddress,\n matchedFillResults.leftMakerAssetSpreadAmount\n );\n\n // Maker fees\n dispatchTransferFrom(\n zrxAssetData,\n leftOrder.makerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n rightOrder.makerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.makerFeePaid\n );\n\n // Taker fees\n if (leftOrder.feeRecipientAddress == rightOrder.feeRecipientAddress) {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n safeAdd(\n matchedFillResults.left.takerFeePaid,\n matchedFillResults.right.takerFeePaid\n )\n );\n } else {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.takerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.takerFeePaid\n );\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./interfaces/IWallet.sol\";\nimport \"./interfaces/IValidator.sol\";\n\n\ncontract MixinSignatureValidator is\n ReentrancyGuard,\n MSignatureValidator,\n MTransactions\n{\n using LibBytes for bytes;\n \n // Mapping of hash => signer => signed\n mapping (bytes32 => mapping (address => bool)) public preSigned;\n\n // Mapping of signer => validator => approved\n mapping (address => mapping (address => bool)) public allowedValidators;\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n {\n if (signerAddress != msg.sender) {\n require(\n isValidSignature(\n hash,\n signerAddress,\n signature\n ),\n \"INVALID_SIGNATURE\"\n );\n }\n preSigned[hash][signerAddress] = true;\n }\n\n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external\n nonReentrant\n {\n address signerAddress = getCurrentContextAddress();\n allowedValidators[signerAddress][validatorAddress] = approval;\n emit SignatureValidatorApproval(\n signerAddress,\n validatorAddress,\n approval\n );\n }\n\n /// @dev Verifies that a hash has been signed by the given signer.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid)\n {\n require(\n signature.length > 0,\n \"LENGTH_GREATER_THAN_0_REQUIRED\"\n );\n\n // Pop last byte off of signature byte array.\n uint8 signatureTypeRaw = uint8(signature.popLastByte());\n\n // Ensure signature is supported\n require(\n signatureTypeRaw < uint8(SignatureType.NSignatureTypes),\n \"SIGNATURE_UNSUPPORTED\"\n );\n\n SignatureType signatureType = SignatureType(signatureTypeRaw);\n\n // Variables are not scoped in Solidity.\n uint8 v;\n bytes32 r;\n bytes32 s;\n address recovered;\n\n // Always illegal signature.\n // This is always an implicit option since a signer can create a\n // signature array with invalid type or length. We may as well make\n // it an explicit option. This aids testing and analysis. It is\n // also the initialization value for the enum type.\n if (signatureType == SignatureType.Illegal) {\n revert(\"SIGNATURE_ILLEGAL\");\n\n // Always invalid signature.\n // Like Illegal, this is always implicitly available and therefore\n // offered explicitly. It can be implicitly created by providing\n // a correctly formatted but incorrect signature.\n } else if (signatureType == SignatureType.Invalid) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = false;\n return isValid;\n\n // Signature using EIP712\n } else if (signatureType == SignatureType.EIP712) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n hash,\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signed using web3.eth_sign\n } else if (signatureType == SignatureType.EthSign) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n32\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signature verified by wallet contract.\n // If used with an order, the maker of the order is the wallet contract.\n } else if (signatureType == SignatureType.Wallet) {\n isValid = isValidWalletSignature(\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signature verified by validator contract.\n // If used with an order, the maker of the order can still be an EOA.\n // A signature using this type should be encoded as:\n // | Offset | Length | Contents |\n // | 0x00 | x | Signature to validate |\n // | 0x00 + x | 20 | Address of validator contract |\n // | 0x14 + x | 1 | Signature type is always \"\\x06\" |\n } else if (signatureType == SignatureType.Validator) {\n // Pop last 20 bytes off of signature byte array.\n address validatorAddress = signature.popLast20Bytes();\n \n // Ensure signer has approved validator.\n if (!allowedValidators[signerAddress][validatorAddress]) {\n return false;\n }\n isValid = isValidValidatorSignature(\n validatorAddress,\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signer signed hash previously using the preSign function.\n } else if (signatureType == SignatureType.PreSigned) {\n isValid = preSigned[hash][signerAddress];\n return isValid;\n }\n\n // Anything else is illegal (We do not return false because\n // the signature may actually be valid, just not in a format\n // that we currently support. In this case returning false\n // may lead the caller to incorrectly believe that the\n // signature was invalid.)\n revert(\"SIGNATURE_UNSUPPORTED\");\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if signature is valid for given wallet..\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IWallet(walletAddress).isValidSignature.selector,\n hash,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n walletAddress, // address of Wallet contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"WALLET_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000c57414c4c45545f4552524f5200000000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IValidator(signerAddress).isValidSignature.selector,\n hash,\n signerAddress,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n validatorAddress, // address of Validator contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"VALIDATOR_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f56414c494441544f525f4552524f5200000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n}\n", + "2.0.0/protocol/Exchange/MixinTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"./libs/LibExchangeErrors.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./libs/LibEIP712.sol\";\n\n\ncontract MixinTransactions is\n LibEIP712,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of transaction hash => executed\n // This prevents transactions from being executed more than once.\n mapping (bytes32 => bool) public transactions;\n\n // Address of current transaction signer\n address public currentContextAddress;\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external\n {\n // Prevent reentrancy\n require(\n currentContextAddress == address(0),\n \"REENTRANCY_ILLEGAL\"\n );\n\n bytes32 transactionHash = hashEIP712Message(hashZeroExTransaction(\n salt,\n signerAddress,\n data\n ));\n\n // Validate transaction has not been executed\n require(\n !transactions[transactionHash],\n \"INVALID_TX_HASH\"\n );\n\n // Transaction always valid if signer is sender of transaction\n if (signerAddress != msg.sender) {\n // Validate signature\n require(\n isValidSignature(\n transactionHash,\n signerAddress,\n signature\n ),\n \"INVALID_TX_SIGNATURE\"\n );\n\n // Set the current transaction signer\n currentContextAddress = signerAddress;\n }\n\n // Execute transaction\n transactions[transactionHash] = true;\n require(\n address(this).delegatecall(data),\n \"FAILED_EXECUTION\"\n );\n\n // Reset current transaction signer if it was previously updated\n if (signerAddress != msg.sender) {\n currentContextAddress = address(0);\n }\n }\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;\n bytes32 dataHash = keccak256(data);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,\n // salt,\n // bytes32(signerAddress),\n // keccak256(data)\n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, schemaHash) // hash of schema\n mstore(add(memPtr, 32), salt) // salt\n mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff)) // signerAddress\n mstore(add(memPtr, 96), dataHash) // hash of data\n\n // Compute hash\n result := keccak256(memPtr, 128)\n }\n return result;\n }\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address)\n {\n address currentContextAddress_ = currentContextAddress;\n address contextAddress = currentContextAddress_ == address(0) ? msg.sender : currentContextAddress_;\n return contextAddress;\n }\n}\n", + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibAbiEncoder.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MWrapperFunctions.sol\";\n\n\ncontract MixinWrapperFunctions is\n ReentrancyGuard,\n LibMath,\n LibFillResults,\n LibAbiEncoder,\n MExchangeCore,\n MWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrKillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n // Delegate to `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := delegatecall(\n gas, // forward all gas\n address, // call address of this contract\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrKillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n \n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public\n nonReentrant\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n cancelOrderInternal(orders[i]);\n }\n }\n\n /// @dev Fetches information for all passed in orders.\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n LibOrder.OrderInfo[] memory ordersInfo = new LibOrder.OrderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n ordersInfo[i] = getOrderInfo(orders[i]);\n }\n return ordersInfo;\n }\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n require(\n fillResults.takerAssetFilledAmount == takerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return fillResults;\n }\n}\n", + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssetProxyDispatcher {\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external;\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./IExchangeCore.sol\";\nimport \"./IMatchOrders.sol\";\nimport \"./ISignatureValidator.sol\";\nimport \"./ITransactions.sol\";\nimport \"./IAssetProxyDispatcher.sol\";\nimport \"./IWrapperFunctions.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract IExchange is\n IExchangeCore,\n IMatchOrders,\n ISignatureValidator,\n ITransactions,\n IAssetProxyDispatcher,\n IWrapperFunctions\n{}\n", + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IExchangeCore {\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external;\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrder(LibOrder.Order memory order)\n public;\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(LibOrder.Order memory order)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IMatchOrders {\n\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ISignatureValidator {\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external;\n \n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external;\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address of signer.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\n\ncontract ITransactions {\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external;\n}\n", + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IValidator {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IWallet {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IWrapperFunctions {\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public;\n\n /// @dev Fetches information for all passed in orders\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory);\n}\n", + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./LibOrder.sol\";\n\n\ncontract LibAbiEncoder {\n\n /// @dev ABI encodes calldata for `fillOrder`.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return ABI encoded calldata for `fillOrder`.\n function abiEncodeFillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n pure\n returns (bytes memory fillOrderCalldata)\n {\n // We need to call MExchangeCore.fillOrder using a delegatecall in\n // assembly so that we can intercept a call that throws. For this, we\n // need the input encoded in memory in the Ethereum ABIv2 format [1].\n\n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0x00 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 0x00 | | 1. offset to order (*) |\n // | | 0x20 | | 2. takerAssetFillAmount |\n // | | 0x40 | | 3. offset to signature (*) |\n // | Data | | 12 * 32 | order: |\n // | | 0x000 | | 1. senderAddress |\n // | | 0x020 | | 2. makerAddress |\n // | | 0x040 | | 3. takerAddress |\n // | | 0x060 | | 4. feeRecipientAddress |\n // | | 0x080 | | 5. makerAssetAmount |\n // | | 0x0A0 | | 6. takerAssetAmount |\n // | | 0x0C0 | | 7. makerFeeAmount |\n // | | 0x0E0 | | 8. takerFeeAmount |\n // | | 0x100 | | 9. expirationTimeSeconds |\n // | | 0x120 | | 10. salt |\n // | | 0x140 | | 11. Offset to makerAssetData (*) |\n // | | 0x160 | | 12. Offset to takerAssetData (*) |\n // | | 0x180 | 32 | makerAssetData Length |\n // | | 0x1A0 | ** | makerAssetData Contents |\n // | | 0x1C0 | 32 | takerAssetData Length |\n // | | 0x1E0 | ** | takerAssetData Contents |\n // | | 0x200 | 32 | signature Length |\n // | | 0x220 | ** | signature Contents |\n\n // * Offsets are calculated from the beginning of the current area: Header, Params, Data:\n // An offset stored in the Params area is calculated from the beginning of the Params section.\n // An offset stored in the Data area is calculated from the beginning of the Data section.\n\n // ** The length of dynamic array contents are stored in the field immediately preceeding the contents.\n\n // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html\n\n assembly {\n\n // Areas below may use the following variables:\n // 1. Start -- Start of this area in memory\n // 2. End -- End of this area in memory. This value may\n // be precomputed (before writing contents),\n // or it may be computed as contents are written.\n // 3. Offset -- Current offset into area. If an area's End\n // is precomputed, this variable tracks the\n // offsets of contents as they are written.\n\n /////// Setup Header Area ///////\n // Load free memory pointer\n fillOrderCalldata := mload(0x40)\n // bytes4(keccak256(\"fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)\"))\n // = 0xb4be83d5\n // Leave 0x20 bytes to store the length\n mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000)\n let headerAreaEnd := add(fillOrderCalldata, 0x24)\n\n /////// Setup Params Area ///////\n // This area is preallocated and written to later.\n // This is because we need to fill in offsets that have not yet been calculated.\n let paramsAreaStart := headerAreaEnd\n let paramsAreaEnd := add(paramsAreaStart, 0x60)\n let paramsAreaOffset := paramsAreaStart\n\n /////// Setup Data Area ///////\n let dataAreaStart := paramsAreaEnd\n let dataAreaEnd := dataAreaStart\n\n // Offset from the source data we're reading from\n let sourceOffset := order\n // arrayLenBytes and arrayLenWords track the length of a dynamically-allocated bytes array.\n let arrayLenBytes := 0\n let arrayLenWords := 0\n\n /////// Write order Struct ///////\n // Write memory location of Order, relative to the start of the\n // parameter list, then increment the paramsAreaOffset respectively.\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n // Write values for each field in the order\n // It would be nice to use a loop, but we save on gas by writing\n // the stores sequentially.\n mstore(dataAreaEnd, mload(sourceOffset)) // makerAddress\n mstore(add(dataAreaEnd, 0x20), mload(add(sourceOffset, 0x20))) // takerAddress\n mstore(add(dataAreaEnd, 0x40), mload(add(sourceOffset, 0x40))) // feeRecipientAddress\n mstore(add(dataAreaEnd, 0x60), mload(add(sourceOffset, 0x60))) // senderAddress\n mstore(add(dataAreaEnd, 0x80), mload(add(sourceOffset, 0x80))) // makerAssetAmount\n mstore(add(dataAreaEnd, 0xA0), mload(add(sourceOffset, 0xA0))) // takerAssetAmount\n mstore(add(dataAreaEnd, 0xC0), mload(add(sourceOffset, 0xC0))) // makerFeeAmount\n mstore(add(dataAreaEnd, 0xE0), mload(add(sourceOffset, 0xE0))) // takerFeeAmount\n mstore(add(dataAreaEnd, 0x100), mload(add(sourceOffset, 0x100))) // expirationTimeSeconds\n mstore(add(dataAreaEnd, 0x120), mload(add(sourceOffset, 0x120))) // salt\n mstore(add(dataAreaEnd, 0x140), mload(add(sourceOffset, 0x140))) // Offset to makerAssetData\n mstore(add(dataAreaEnd, 0x160), mload(add(sourceOffset, 0x160))) // Offset to takerAssetData\n dataAreaEnd := add(dataAreaEnd, 0x180)\n sourceOffset := add(sourceOffset, 0x180)\n\n // Write offset to \n mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x140)) // makerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Write offset to \n mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x160)) // takerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n /////// Write takerAssetFillAmount ///////\n mstore(paramsAreaOffset, takerAssetFillAmount)\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n /////// Write signature ///////\n // Write offset to paramsArea\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n\n // Calculate length of signature\n sourceOffset := signature\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of signature\n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of signature\n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Set length of calldata\n mstore(fillOrderCalldata, sub(dataAreaEnd, add(fillOrderCalldata, 0x20)))\n\n // Increment free memory pointer\n mstore(0x40, dataAreaEnd)\n }\n\n return fillOrderCalldata;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\n// solhint-disable max-line-length\ncontract LibConstants {\n \n // Asset data for ZRX token. Used for fee transfers.\n // @TODO: Hardcode constant when we deploy. Currently \n // not constant to make testing easier.\n\n // The proxyId for ZRX_ASSET_DATA is bytes4(keccak256(\"ERC20Token(address)\")) = 0xf47261b0\n \n // Kovan ZRX address is 0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570.\n // The ABI encoded proxyId and address is 0xf47261b00000000000000000000000006ff6c0ff1d68b964901f986d4c9fa3ac68346570\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x6f\\xf6\\xc0\\xff\\x1d\\x68\\xb9\\x64\\x90\\x1f\\x98\\x6d\\x4c\\x9f\\xa3\\xac\\x68\\x34\\x65\\x70\";\n \n // Mainnet ZRX address is 0xe41d2489571d322189246dafa5ebde1f4699f498.\n // The ABI encoded proxyId and address is 0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\n bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xe4\\x1d\\x24\\x89\\x57\\x1d\\x32\\x21\\x89\\x24\\x6d\\xaf\\xa5\\xeb\\xde\\x1f\\x46\\x99\\xf4\\x98\";\n}\n// solhint-enable max-line-length\n", + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract LibEIP712 {\n\n // EIP191 header for EIP712 prefix\n string constant internal EIP191_HEADER = \"\\x19\\x01\";\n\n // EIP712 Domain Name value\n string constant internal EIP712_DOMAIN_NAME = \"0x Protocol\";\n\n // EIP712 Domain Version value\n string constant internal EIP712_DOMAIN_VERSION = \"2\";\n\n // Hash of the EIP712 Domain Separator Schema\n bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"EIP712Domain(\",\n \"string name,\",\n \"string version,\",\n \"address verifyingContract\",\n \")\"\n ));\n\n // Hash of the EIP712 Domain Separator data\n // solhint-disable-next-line var-name-mixedcase\n bytes32 public EIP712_DOMAIN_HASH;\n\n constructor ()\n public\n {\n EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(\n EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,\n keccak256(bytes(EIP712_DOMAIN_NAME)),\n keccak256(bytes(EIP712_DOMAIN_VERSION)),\n bytes32(address(this))\n ));\n }\n\n /// @dev Calculates EIP712 encoding for a hash struct in this EIP712 Domain.\n /// @param hashStruct The EIP712 hash struct.\n /// @return EIP712 hash applied to this EIP712 Domain.\n function hashEIP712Message(bytes32 hashStruct)\n internal\n view\n returns (bytes32 result)\n {\n bytes32 eip712DomainHash = EIP712_DOMAIN_HASH;\n\n // Assembly for more efficient computing:\n // keccak256(abi.encodePacked(\n // EIP191_HEADER,\n // EIP712_DOMAIN_HASH,\n // hashStruct \n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, 0x1901000000000000000000000000000000000000000000000000000000000000) // EIP191 header\n mstore(add(memPtr, 2), eip712DomainHash) // EIP712 domain hash\n mstore(add(memPtr, 34), hashStruct) // Hash of struct\n\n // Compute hash\n result := keccak256(memPtr, 66)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity 0.4.24;\n\n\n/// @dev This contract documents the revert reasons used in the Exchange contract.\n/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons.\ncontract LibExchangeErrors {\n\n /// Order validation errors ///\n string constant ORDER_UNFILLABLE = \"ORDER_UNFILLABLE\"; // Order cannot be filled.\n string constant INVALID_MAKER = \"INVALID_MAKER\"; // Invalid makerAddress.\n string constant INVALID_TAKER = \"INVALID_TAKER\"; // Invalid takerAddress.\n string constant INVALID_SENDER = \"INVALID_SENDER\"; // Invalid `msg.sender`.\n string constant INVALID_ORDER_SIGNATURE = \"INVALID_ORDER_SIGNATURE\"; // Signature validation failed. \n \n /// fillOrder validation errors ///\n string constant INVALID_TAKER_AMOUNT = \"INVALID_TAKER_AMOUNT\"; // takerAssetFillAmount cannot equal 0.\n string constant ROUNDING_ERROR = \"ROUNDING_ERROR\"; // Rounding error greater than 0.1% of takerAssetFillAmount. \n \n /// Signature validation errors ///\n string constant INVALID_SIGNATURE = \"INVALID_SIGNATURE\"; // Signature validation failed. \n string constant SIGNATURE_ILLEGAL = \"SIGNATURE_ILLEGAL\"; // Signature type is illegal.\n string constant SIGNATURE_UNSUPPORTED = \"SIGNATURE_UNSUPPORTED\"; // Signature type unsupported.\n \n /// cancelOrdersUptTo errors ///\n string constant INVALID_NEW_ORDER_EPOCH = \"INVALID_NEW_ORDER_EPOCH\"; // Specified salt must be greater than or equal to existing orderEpoch.\n\n /// fillOrKillOrder errors ///\n string constant COMPLETE_FILL_FAILED = \"COMPLETE_FILL_FAILED\"; // Desired takerAssetFillAmount could not be completely filled. \n\n /// matchOrders errors ///\n string constant NEGATIVE_SPREAD_REQUIRED = \"NEGATIVE_SPREAD_REQUIRED\"; // Matched orders must have a negative spread.\n\n /// Transaction errors ///\n string constant REENTRANCY_ILLEGAL = \"REENTRANCY_ILLEGAL\"; // Recursive reentrancy is not allowed. \n string constant INVALID_TX_HASH = \"INVALID_TX_HASH\"; // Transaction has already been executed. \n string constant INVALID_TX_SIGNATURE = \"INVALID_TX_SIGNATURE\"; // Signature validation failed. \n string constant FAILED_EXECUTION = \"FAILED_EXECUTION\"; // Transaction execution failed. \n \n /// registerAssetProxy errors ///\n string constant ASSET_PROXY_ALREADY_EXISTS = \"ASSET_PROXY_ALREADY_EXISTS\"; // AssetProxy with same id already exists.\n\n /// dispatchTransferFrom errors ///\n string constant ASSET_PROXY_DOES_NOT_EXIST = \"ASSET_PROXY_DOES_NOT_EXIST\"; // No assetProxy registered at given id.\n string constant TRANSFER_FAILED = \"TRANSFER_FAILED\"; // Asset transfer unsuccesful.\n\n /// Length validation errors ///\n string constant LENGTH_GREATER_THAN_0_REQUIRED = \"LENGTH_GREATER_THAN_0_REQUIRED\"; // Byte array must have a length greater than 0.\n string constant LENGTH_GREATER_THAN_3_REQUIRED = \"LENGTH_GREATER_THAN_3_REQUIRED\"; // Byte array must have a length greater than 3.\n string constant LENGTH_0_REQUIRED = \"LENGTH_0_REQUIRED\"; // Byte array must have a length of 0.\n string constant LENGTH_65_REQUIRED = \"LENGTH_65_REQUIRED\"; // Byte array must have a length of 65.\n}\n", + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibFillResults is\n SafeMath\n{\n struct FillResults {\n uint256 makerAssetFilledAmount; // Total amount of makerAsset(s) filled.\n uint256 takerAssetFilledAmount; // Total amount of takerAsset(s) filled.\n uint256 makerFeePaid; // Total amount of ZRX paid by maker(s) to feeRecipient(s).\n uint256 takerFeePaid; // Total amount of ZRX paid by taker to feeRecipients(s).\n }\n\n struct MatchedFillResults {\n FillResults left; // Amounts filled and fees paid of left order.\n FillResults right; // Amounts filled and fees paid of right order.\n uint256 leftMakerAssetSpreadAmount; // Spread between price of left and right order, denominated in the left order's makerAsset, paid to taker.\n }\n\n /// @dev Adds properties of both FillResults instances.\n /// Modifies the first FillResults instance specified.\n /// @param totalFillResults Fill results instance that will be added onto.\n /// @param singleFillResults Fill results instance that will be added to totalFillResults.\n function addFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)\n internal\n pure\n {\n totalFillResults.makerAssetFilledAmount = safeAdd(totalFillResults.makerAssetFilledAmount, singleFillResults.makerAssetFilledAmount);\n totalFillResults.takerAssetFilledAmount = safeAdd(totalFillResults.takerAssetFilledAmount, singleFillResults.takerAssetFilledAmount);\n totalFillResults.makerFeePaid = safeAdd(totalFillResults.makerFeePaid, singleFillResults.makerFeePaid);\n totalFillResults.takerFeePaid = safeAdd(totalFillResults.takerFeePaid, singleFillResults.takerFeePaid);\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibMath.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibMath is\n SafeMath\n{\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function safeGetPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorFloor(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function safeGetPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorCeil(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function getPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function getPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // The absolute rounding error is the difference between the rounded\n // value and the ideal value. The relative rounding error is the\n // absolute rounding error divided by the absolute value of the\n // ideal value. This is undefined when the ideal value is zero.\n //\n // The ideal value is `numerator * target / denominator`.\n // Let's call `numerator * target % denominator` the remainder.\n // The absolute error is `remainder / denominator`.\n //\n // When the ideal value is zero, we require the absolute error to\n // be zero. Fortunately, this is always the case. The ideal value is\n // zero iff `numerator == 0` and/or `target == 0`. In this case the\n // remainder and absolute error are also zero. \n if (target == 0 || numerator == 0) {\n return false;\n }\n \n // Otherwise, we want the relative rounding error to be strictly\n // less than 0.1%.\n // The relative error is `remainder / (numerator * target)`.\n // We want the relative error less than 1 / 1000:\n // remainder / (numerator * denominator) < 1 / 1000\n // or equivalently:\n // 1000 * remainder < numerator * target\n // so we have a rounding error iff:\n // 1000 * remainder >= numerator * target\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding up.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // See the comments in `isRoundingError`.\n if (target == 0 || numerator == 0) {\n // When either is zero, the ideal value and rounded value are zero\n // and there is no rounding error. (Although the relative error\n // is undefined.)\n return false;\n }\n // Compute remainder as before\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n remainder = safeSub(denominator, remainder) % denominator;\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibOrder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./LibEIP712.sol\";\n\n\ncontract LibOrder is\n LibEIP712\n{\n // Hash for the EIP712 Order Schema\n bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"Order(\",\n \"address makerAddress,\",\n \"address takerAddress,\",\n \"address feeRecipientAddress,\",\n \"address senderAddress,\",\n \"uint256 makerAssetAmount,\",\n \"uint256 takerAssetAmount,\",\n \"uint256 makerFee,\",\n \"uint256 takerFee,\",\n \"uint256 expirationTimeSeconds,\",\n \"uint256 salt,\",\n \"bytes makerAssetData,\",\n \"bytes takerAssetData\",\n \")\"\n ));\n\n // A valid order remains fillable until it is expired, fully filled, or cancelled.\n // An order's state is unaffected by external factors, like account balances.\n enum OrderStatus {\n INVALID, // Default value\n INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount\n INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount\n FILLABLE, // Order is fillable\n EXPIRED, // Order has already expired\n FULLY_FILLED, // Order is fully filled\n CANCELLED // Order has been cancelled\n }\n\n // solhint-disable max-line-length\n struct Order {\n address makerAddress; // Address that created the order. \n address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order. \n address feeRecipientAddress; // Address that will recieve fees when order is filled. \n address senderAddress; // Address that is allowed to call Exchange contract methods that affect this order. If set to 0, any address is allowed to call these methods.\n uint256 makerAssetAmount; // Amount of makerAsset being offered by maker. Must be greater than 0. \n uint256 takerAssetAmount; // Amount of takerAsset being bid on by maker. Must be greater than 0. \n uint256 makerFee; // Amount of ZRX paid to feeRecipient by maker when order is filled. If set to 0, no transfer of ZRX from maker to feeRecipient will be attempted.\n uint256 takerFee; // Amount of ZRX paid to feeRecipient by taker when order is filled. If set to 0, no transfer of ZRX from taker to feeRecipient will be attempted.\n uint256 expirationTimeSeconds; // Timestamp in seconds at which order expires. \n uint256 salt; // Arbitrary number to facilitate uniqueness of the order's hash. \n bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.\n bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.\n }\n // solhint-enable max-line-length\n\n struct OrderInfo {\n uint8 orderStatus; // Status that describes order's validity and fillability.\n bytes32 orderHash; // EIP712 hash of the order (see LibOrder.getOrderHash).\n uint256 orderTakerAssetFilledAmount; // Amount of order that has already been filled.\n }\n\n /// @dev Calculates Keccak-256 hash of the order.\n /// @param order The order structure.\n /// @return Keccak-256 EIP712 hash of the order.\n function getOrderHash(Order memory order)\n internal\n view\n returns (bytes32 orderHash)\n {\n orderHash = hashEIP712Message(hashOrder(order));\n return orderHash;\n }\n\n /// @dev Calculates EIP712 hash of the order.\n /// @param order The order structure.\n /// @return EIP712 hash of the order.\n function hashOrder(Order memory order)\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ORDER_SCHEMA_HASH;\n bytes32 makerAssetDataHash = keccak256(order.makerAssetData);\n bytes32 takerAssetDataHash = keccak256(order.takerAssetData);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ORDER_SCHEMA_HASH,\n // bytes32(order.makerAddress),\n // bytes32(order.takerAddress),\n // bytes32(order.feeRecipientAddress),\n // bytes32(order.senderAddress),\n // order.makerAssetAmount,\n // order.takerAssetAmount,\n // order.makerFee,\n // order.takerFee,\n // order.expirationTimeSeconds,\n // order.salt,\n // keccak256(order.makerAssetData),\n // keccak256(order.takerAssetData)\n // ));\n\n assembly {\n // Calculate memory addresses that will be swapped out before hashing\n let pos1 := sub(order, 32)\n let pos2 := add(order, 320)\n let pos3 := add(order, 352)\n\n // Backup\n let temp1 := mload(pos1)\n let temp2 := mload(pos2)\n let temp3 := mload(pos3)\n \n // Hash in place\n mstore(pos1, schemaHash)\n mstore(pos2, makerAssetDataHash)\n mstore(pos3, takerAssetDataHash)\n result := keccak256(pos1, 416)\n \n // Restore\n mstore(pos1, temp1)\n mstore(pos2, temp2)\n mstore(pos3, temp3)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssetProxyDispatcher.sol\";\n\n\ncontract MAssetProxyDispatcher is\n IAssetProxyDispatcher\n{\n // Logs registration of new asset proxy\n event AssetProxyRegistered(\n bytes4 id, // Id of new registered AssetProxy.\n address assetProxy // Address of new registered AssetProxy.\n );\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IExchangeCore.sol\";\n\n\ncontract MExchangeCore is\n IExchangeCore\n{\n // Fill event is emitted whenever an order is filled.\n event Fill(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that received fees.\n address takerAddress, // Address that filled the order.\n address senderAddress, // Address that called the Exchange contract (msg.sender).\n uint256 makerAssetFilledAmount, // Amount of makerAsset sold by maker and bought by taker. \n uint256 takerAssetFilledAmount, // Amount of takerAsset sold by taker and bought by maker.\n uint256 makerFeePaid, // Amount of ZRX paid to feeRecipient by maker.\n uint256 takerFeePaid, // Amount of ZRX paid to feeRecipient by taker.\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // Cancel event is emitted whenever an individual order is cancelled.\n event Cancel(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that would have recieved fees if order was filled. \n address senderAddress, // Address that called the Exchange contract (msg.sender).\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // CancelUpTo event is emitted whenever `cancelOrdersUpTo` is executed succesfully.\n event CancelUpTo(\n address indexed makerAddress, // Orders cancelled must have been created by this address.\n address indexed senderAddress, // Orders cancelled must have a `senderAddress` equal to this address.\n uint256 orderEpoch // Orders with specified makerAddress and senderAddress with a salt less than this value are considered cancelled.\n );\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrderInternal(LibOrder.Order memory order)\n internal;\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function updateFilledState(\n LibOrder.Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n LibFillResults.FillResults memory fillResults\n )\n internal;\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n LibOrder.Order memory order,\n bytes32 orderHash\n )\n internal;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo Status, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view;\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo\n )\n internal\n view;\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n LibOrder.Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.FillResults memory fillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IMatchOrders.sol\";\n\n\ncontract MMatchOrders is\n IMatchOrders\n{\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure;\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/ISignatureValidator.sol\";\n\n\ncontract MSignatureValidator is\n ISignatureValidator\n{\n event SignatureValidatorApproval(\n address indexed signerAddress, // Address that approves or disapproves a contract to verify signatures.\n address indexed validatorAddress, // Address of signature validator contract.\n bool approved // Approval or disapproval of validator contract.\n );\n\n // Allowed signature types.\n enum SignatureType {\n Illegal, // 0x00, default value\n Invalid, // 0x01\n EIP712, // 0x02\n EthSign, // 0x03\n Wallet, // 0x04\n Validator, // 0x05\n PreSigned, // 0x06\n NSignatureTypes // 0x07, number of signature types. Always leave at end.\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"../interfaces/ITransactions.sol\";\n\n\ncontract MTransactions is\n ITransactions\n{\n // Hash for the EIP712 ZeroEx Transaction Schema\n bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"ZeroExTransaction(\",\n \"uint256 salt,\",\n \"address signerAddress,\",\n \"bytes data\",\n \")\"\n ));\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result);\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address);\n}\n", + "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IWrapperFunctions.sol\";\n\n\ncontract MWrapperFunctions is \n IWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n}\n", + "2.0.0/tokens/ERC20Token/IERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n \n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n \n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", + "2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Token {\n\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(\n address indexed _owner,\n address indexed _approved,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(\n address indexed _owner,\n address indexed _operator,\n bool _approved\n );\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// perator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external;\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public;\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address);\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) \n public\n view\n returns (address);\n \n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool);\n}\n", + "2.0.0/tokens/EtherToken/IEtherToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/IERC20Token.sol\";\n\n\ncontract IEtherToken is\n IERC20Token\n{\n function deposit()\n public\n payable;\n \n function withdraw(uint256 amount)\n public;\n}\n", + "2.0.0/utils/LibBytes/LibBytes.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\nlibrary LibBytes {\n\n using LibBytes for bytes;\n\n /// @dev Gets the memory address for a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of byte array. This\n /// points to the header of the byte array which contains\n /// the length.\n function rawAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := input\n }\n return memoryAddress;\n }\n \n /// @dev Gets the memory address for the contents of a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of the contents of the byte array.\n function contentAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := add(input, 32)\n }\n return memoryAddress;\n }\n\n /// @dev Copies `length` bytes from memory location `source` to `dest`.\n /// @param dest memory address to copy bytes to.\n /// @param source memory address to copy bytes from.\n /// @param length number of bytes to copy.\n function memCopy(\n uint256 dest,\n uint256 source,\n uint256 length\n )\n internal\n pure\n {\n if (length < 32) {\n // Handle a partial word by reading destination and masking\n // off the bits we are interested in.\n // This correctly handles overlap, zero lengths and source == dest\n assembly {\n let mask := sub(exp(256, sub(32, length)), 1)\n let s := and(mload(source), not(mask))\n let d := and(mload(dest), mask)\n mstore(dest, or(s, d))\n }\n } else {\n // Skip the O(length) loop when source == dest.\n if (source == dest) {\n return;\n }\n\n // For large copies we copy whole words at a time. The final\n // word is aligned to the end of the range (instead of after the\n // previous) to handle partial words. So a copy will look like this:\n //\n // ####\n // ####\n // ####\n // ####\n //\n // We handle overlap in the source and destination range by\n // changing the copying direction. This prevents us from\n // overwriting parts of source that we still need to copy.\n //\n // This correctly handles source == dest\n //\n if (source > dest) {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because it\n // is easier to compare with in the loop, and these\n // are also the addresses we need for copying the\n // last bytes.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the last 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the last bytes in\n // source already due to overlap.\n let last := mload(sEnd)\n\n // Copy whole words front to back\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} lt(source, sEnd) {} {\n mstore(dest, mload(source))\n source := add(source, 32)\n dest := add(dest, 32)\n }\n \n // Write the last 32 bytes\n mstore(dEnd, last)\n }\n } else {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because those\n // are the starting points when copying a word at the end.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the first 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the first bytes in\n // source already due to overlap.\n let first := mload(source)\n\n // Copy whole words back to front\n // We use a signed comparisson here to allow dEnd to become\n // negative (happens when source and dest < 32). Valid\n // addresses in local memory will never be larger than\n // 2**255, so they can be safely re-interpreted as signed.\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} slt(dest, dEnd) {} {\n mstore(dEnd, mload(sEnd))\n sEnd := sub(sEnd, 32)\n dEnd := sub(dEnd, 32)\n }\n \n // Write the first 32 bytes\n mstore(dest, first)\n }\n }\n }\n }\n\n /// @dev Returns a slices from a byte array.\n /// @param b The byte array to take a slice from.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n function slice(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure and copy contents\n result = new bytes(to - from);\n memCopy(\n result.contentAddress(),\n b.contentAddress() + from,\n result.length\n );\n return result;\n }\n \n /// @dev Returns a slice from a byte array without preserving the input.\n /// @param b The byte array to take a slice from. Will be destroyed in the process.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n /// @dev When `from == 0`, the original array will match the slice. In other cases its state will be corrupted.\n function sliceDestructive(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure around [from, to) in-place.\n assembly {\n result := add(b, from)\n mstore(result, sub(to, from))\n }\n return result;\n }\n\n /// @dev Pops the last byte off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The byte that was popped off.\n function popLastByte(bytes memory b)\n internal\n pure\n returns (bytes1 result)\n {\n require(\n b.length > 0,\n \"GREATER_THAN_ZERO_LENGTH_REQUIRED\"\n );\n\n // Store last byte.\n result = b[b.length - 1];\n\n assembly {\n // Decrement length of byte array.\n let newLen := sub(mload(b), 1)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Pops the last 20 bytes off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The 20 byte address that was popped off.\n function popLast20Bytes(bytes memory b)\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= 20,\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Store last 20 bytes.\n result = readAddress(b, b.length - 20);\n\n assembly {\n // Subtract 20 from byte array length.\n let newLen := sub(mload(b), 20)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Tests equality of two byte arrays.\n /// @param lhs First byte array to compare.\n /// @param rhs Second byte array to compare.\n /// @return True if arrays are the same. False otherwise.\n function equals(\n bytes memory lhs,\n bytes memory rhs\n )\n internal\n pure\n returns (bool equal)\n {\n // Keccak gas cost is 30 + numWords * 6. This is a cheap way to compare.\n // We early exit on unequal lengths, but keccak would also correctly\n // handle this.\n return lhs.length == rhs.length && keccak256(lhs) == keccak256(rhs);\n }\n\n /// @dev Reads an address from a position in a byte array.\n /// @param b Byte array containing an address.\n /// @param index Index in byte array of address.\n /// @return address from byte array.\n function readAddress(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Read address from array memory\n assembly {\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 20-byte mask to obtain address\n result := and(mload(add(b, index)), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n return result;\n }\n\n /// @dev Writes an address into a specific position in a byte array.\n /// @param b Byte array to insert address into.\n /// @param index Index in byte array of address.\n /// @param input Address to put into byte array.\n function writeAddress(\n bytes memory b,\n uint256 index,\n address input\n )\n internal\n pure\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Store address into array memory\n assembly {\n // The address occupies 20 bytes and mstore stores 32 bytes.\n // First fetch the 32-byte word where we'll be storing the address, then\n // apply a mask so we have only the bytes in the word that the address will not occupy.\n // Then combine these bytes with the address and store the 32 bytes back to memory with mstore.\n\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 12-byte mask to obtain extra bytes occupying word of memory where we'll store the address\n let neighbors := and(\n mload(add(b, index)),\n 0xffffffffffffffffffffffff0000000000000000000000000000000000000000\n )\n \n // Make sure input address is clean.\n // (Solidity does not guarantee this)\n input := and(input, 0xffffffffffffffffffffffffffffffffffffffff)\n\n // Store the neighbors and address into memory\n mstore(add(b, index), xor(input, neighbors))\n }\n }\n\n /// @dev Reads a bytes32 value from a position in a byte array.\n /// @param b Byte array containing a bytes32 value.\n /// @param index Index in byte array of bytes32 value.\n /// @return bytes32 value from byte array.\n function readBytes32(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes32 result)\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n result := mload(add(b, index))\n }\n return result;\n }\n\n /// @dev Writes a bytes32 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes32 to put into byte array.\n function writeBytes32(\n bytes memory b,\n uint256 index,\n bytes32 input\n )\n internal\n pure\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n mstore(add(b, index), input)\n }\n }\n\n /// @dev Reads a uint256 value from a position in a byte array.\n /// @param b Byte array containing a uint256 value.\n /// @param index Index in byte array of uint256 value.\n /// @return uint256 value from byte array.\n function readUint256(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (uint256 result)\n {\n result = uint256(readBytes32(b, index));\n return result;\n }\n\n /// @dev Writes a uint256 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input uint256 to put into byte array.\n function writeUint256(\n bytes memory b,\n uint256 index,\n uint256 input\n )\n internal\n pure\n {\n writeBytes32(b, index, bytes32(input));\n }\n\n /// @dev Reads an unpadded bytes4 value from a position in a byte array.\n /// @param b Byte array containing a bytes4 value.\n /// @param index Index in byte array of bytes4 value.\n /// @return bytes4 value from byte array.\n function readBytes4(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes4 result)\n {\n require(\n b.length >= index + 4,\n \"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 32 byte length field\n index += 32;\n\n // Read the bytes4 from array memory\n assembly {\n result := mload(add(b, index))\n // Solidity does not require us to clean the trailing bytes.\n // We do it anyway\n result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)\n }\n return result;\n }\n\n /// @dev Reads nested bytes from a specific position.\n /// @dev NOTE: the returned value overlaps with the input value.\n /// Both should be treated as immutable.\n /// @param b Byte array containing nested bytes.\n /// @param index Index of nested bytes.\n /// @return result Nested bytes.\n function readBytesWithLength(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes memory result)\n {\n // Read length of nested bytes\n uint256 nestedBytesLength = readUint256(b, index);\n index += 32;\n\n // Assert length of is valid, given\n // length of nested bytes\n require(\n b.length >= index + nestedBytesLength,\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n \n // Return a pointer to the byte array as it exists inside `b`\n assembly {\n result := add(b, index)\n }\n return result;\n }\n\n /// @dev Inserts bytes at a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes to insert.\n function writeBytesWithLength(\n bytes memory b,\n uint256 index,\n bytes memory input\n )\n internal\n pure\n {\n // Assert length of is valid, given\n // length of input\n require(\n b.length >= index + 32 + input.length, // 32 bytes to store length\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n\n // Copy into \n memCopy(\n b.contentAddress() + index,\n input.rawAddress(), // includes length of \n input.length + 32 // +32 bytes to store length\n );\n }\n\n /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length.\n /// @param dest Byte array that will be overwritten with source bytes.\n /// @param source Byte array to copy onto dest bytes.\n function deepCopyBytes(\n bytes memory dest,\n bytes memory source\n )\n internal\n pure\n {\n uint256 sourceLen = source.length;\n // Dest length must be >= source length, or some bytes would not be copied.\n require(\n dest.length >= sourceLen,\n \"GREATER_OR_EQUAL_TO_SOURCE_BYTES_LENGTH_REQUIRED\"\n );\n memCopy(\n dest.contentAddress(),\n source.contentAddress(),\n sourceLen\n );\n }\n}\n", + "2.0.0/utils/Ownable/IOwnable.sol": "pragma solidity 0.4.24;\n\n\ncontract IOwnable {\n\n function transferOwnership(address newOwner)\n public;\n}\n", + "2.0.0/utils/Ownable/Ownable.sol": "pragma solidity 0.4.24;\n\nimport \"./IOwnable.sol\";\n\n\ncontract Ownable is\n IOwnable\n{\n address public owner;\n\n constructor ()\n public\n {\n owner = msg.sender;\n }\n\n modifier onlyOwner() {\n require(\n msg.sender == owner,\n \"ONLY_CONTRACT_OWNER\"\n );\n _;\n }\n\n function transferOwnership(address newOwner)\n public\n onlyOwner\n {\n if (newOwner != address(0)) {\n owner = newOwner;\n }\n }\n}\n", + "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ReentrancyGuard {\n\n // Locked state of mutex\n bool private locked = false;\n\n /// @dev Functions with this modifer cannot be reentered. The mutex will be locked\n /// before function execution and unlocked after.\n modifier nonReentrant() {\n // Ensure mutex is unlocked\n require(\n !locked,\n \"REENTRANCY_ILLEGAL\"\n );\n\n // Lock mutex before function call\n locked = true;\n\n // Perform function call\n _;\n\n // Unlock mutex after function call\n locked = false;\n }\n}\n", + "2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n\n function safeMul(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(\n c / a == b,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function safeDiv(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a / b;\n return c;\n }\n\n function safeSub(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n require(\n b <= a,\n \"UINT256_UNDERFLOW\"\n );\n return a - b;\n }\n\n function safeAdd(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a + b;\n require(\n c >= a,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function max64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n\n function max256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n}\n" + }, + "sourceTreeHashHex": "0xb375308e9f71e2b537b4b9fe7d0dc45c38b7c936468e948958e6aa135dc204c1", + "compiler": { + "name": "solc", + "version": "soljson-v0.4.24+commit.e67f0147.js", + "settings": { + "optimizer": { + "enabled": true, + "runs": 1000000 + }, + "outputSelection": { + "*": { + "*": [ + "abi", + "evm.bytecode.object", + "evm.bytecode.sourceMap", + "evm.deployedBytecode.object", + "evm.deployedBytecode.sourceMap" + ] + } + } + } + }, + "networks": { + "1": { + "address": "0x7afc2d5107af94c462a194d2c21b5bdd238709d6", + "links": {}, + "constructorArgs": "[\"0x4f833a24e1f95d70f028921e27040ca56e09ab0b\",\"0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\",\"0xf47261b0000000000000000000000000c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2\"]" + }, + "3": { + "address": "0x3983e204b12b3c02fb0638caf2cd406a62e0ead3", + "links": {}, + "constructorArgs": "[\"0x4530c0483a1633c7a1c97d2c53721caff2caaaaf\",\"0xf47261b0000000000000000000000000ff67881f8d12f372d91baae9752eb3631ff0ed00\",\"0xf47261b0000000000000000000000000c778417e063141139fce010982780140aa0cd5ab\"]" + }, + "42": { + "address": "0xd85e2fa7e7e252b27b01bf0d65c946959d2f45b8", + "links": {}, + "constructorArgs": "[\"0x35dd2932454449b14cee11a94d3674a936d5d7b2\",\"0xf47261b00000000000000000000000002002d3812f58e35f0ea1ffbf80a75a38c32175fa\",\"0xf47261b0000000000000000000000000d0a1e359811322d97991e03f863a0c30c2cf029c\"]" + }, + "50": { + "address": "0xb69e673309512a9d726f87304c6984054f87a93b", + "links": {}, + "constructorArgs": "[\"0x0b1ba0af832d7c05fd64161e0db78e85978e8082\",\"0xf47261b0000000000000000000000000871dd7c2b4b25e1aa18728e9d5f2af4c4e431f5c\",\"0xf47261b00000000000000000000000000000000000000000000000000000000000000000\"]" + } + } +} diff --git a/packages/migrations/artifacts/2.0.0/IValidator.json b/packages/migrations/artifacts/2.0.0/IValidator.json new file mode 100644 index 000000000..0ccb7b343 --- /dev/null +++ b/packages/migrations/artifacts/2.0.0/IValidator.json @@ -0,0 +1,320 @@ +{ + "schemaVersion": "2.0.0", + "contractName": "IValidator", + "compilerOutput": { + "abi": [ + { + "constant": true, + "inputs": [ + { + "name": "hash", + "type": "bytes32" + }, + { + "name": "signerAddress", + "type": "address" + }, + { + "name": "signature", + "type": "bytes" + } + ], + "name": "isValidSignature", + "outputs": [ + { + "name": "isValid", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + } + ], + "evm": { + "bytecode": { + "linkReferences": {}, + "object": "0x", + "opcodes": "", + "sourceMap": "" + }, + "deployedBytecode": { + "linkReferences": {}, + "object": "0x", + "opcodes": "", + "sourceMap": "" + } + } + }, + "sources": { + "2.0.0/extensions/Forwarder/Forwarder.sol": { + "id": 0 + }, + "2.0.0/extensions/Forwarder/MixinAssets.sol": { + "id": 1 + }, + "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": { + "id": 2 + }, + "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": { + "id": 3 + }, + "2.0.0/extensions/Forwarder/MixinWeth.sol": { + "id": 4 + }, + "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": { + "id": 5 + }, + "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": { + "id": 6 + }, + "2.0.0/extensions/Forwarder/libs/LibConstants.sol": { + "id": 7 + }, + "2.0.0/extensions/Forwarder/mixins/MAssets.sol": { + "id": 8 + }, + "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": { + "id": 9 + }, + "2.0.0/extensions/Forwarder/mixins/MWeth.sol": { + "id": 10 + }, + "2.0.0/extensions/OrderValidator/OrderValidator.sol": { + "id": 11 + }, + "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": { + "id": 12 + }, + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": { + "id": 13 + }, + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": { + "id": 14 + }, + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": { + "id": 15 + }, + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": { + "id": 16 + }, + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": { + "id": 17 + }, + "2.0.0/protocol/Exchange/Exchange.sol": { + "id": 18 + }, + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": { + "id": 19 + }, + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": { + "id": 20 + }, + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": { + "id": 21 + }, + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": { + "id": 22 + }, + "2.0.0/protocol/Exchange/MixinTransactions.sol": { + "id": 23 + }, + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": { + "id": 24 + }, + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": { + "id": 25 + }, + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": { + "id": 26 + }, + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": { + "id": 27 + }, + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": { + "id": 28 + }, + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": { + "id": 29 + }, + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": { + "id": 30 + }, + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": { + "id": 31 + }, + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": { + "id": 32 + }, + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": { + "id": 33 + }, + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": { + "id": 34 + }, + "2.0.0/protocol/Exchange/libs/LibConstants.sol": { + "id": 35 + }, + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": { + "id": 36 + }, + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": { + "id": 37 + }, + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": { + "id": 38 + }, + "2.0.0/protocol/Exchange/libs/LibMath.sol": { + "id": 39 + }, + "2.0.0/protocol/Exchange/libs/LibOrder.sol": { + "id": 40 + }, + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": { + "id": 41 + }, + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": { + "id": 42 + }, + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": { + "id": 43 + }, + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": { + "id": 44 + }, + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": { + "id": 45 + }, + "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": { + "id": 46 + }, + "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": { + "id": 47 + }, + "2.0.0/tokens/ERC20Token/ERC20Token.sol": { + "id": 48 + }, + "2.0.0/tokens/ERC20Token/IERC20Token.sol": { + "id": 49 + }, + "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": { + "id": 50 + }, + "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": { + "id": 51 + }, + "2.0.0/tokens/ERC721Token/ERC721Token.sol": { + "id": 52 + }, + "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": { + "id": 53 + }, + "2.0.0/tokens/ERC721Token/IERC721Token.sol": { + "id": 54 + }, + "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": { + "id": 55 + }, + "2.0.0/tokens/EtherToken/IEtherToken.sol": { + "id": 56 + }, + "2.0.0/utils/LibBytes/LibBytes.sol": { + "id": 57 + }, + "2.0.0/utils/Ownable/IOwnable.sol": { + "id": 58 + }, + "2.0.0/utils/Ownable/Ownable.sol": { + "id": 59 + }, + "2.0.0/utils/SafeMath/SafeMath.sol": { + "id": 60 + } + }, + "sourceCodes": { + "2.0.0/extensions/Forwarder/Forwarder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinWeth.sol\";\nimport \"./MixinForwarderCore.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinAssets.sol\";\nimport \"./MixinExchangeWrapper.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Forwarder is\n LibConstants,\n MixinWeth,\n MixinAssets,\n MixinExchangeWrapper,\n MixinForwarderCore\n{\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n LibConstants(\n _exchange,\n _zrxAssetData,\n _wethAssetData\n )\n MixinForwarderCore()\n {}\n}\n", + "2.0.0/extensions/Forwarder/MixinAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MAssets.sol\";\n\n\ncontract MixinAssets is\n Ownable,\n LibConstants,\n MAssets\n{\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256(\"transfer(address,uint256)\"));\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external\n onlyOwner\n {\n transferAssetToSender(assetData, amount);\n }\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n bytes4 proxyId = assetData.readBytes4(0);\n\n if (proxyId == ERC20_DATA_ID) {\n transferERC20Token(assetData, amount);\n } else if (proxyId == ERC721_DATA_ID) {\n transferERC721Token(assetData, amount);\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n }\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n address token = assetData.readAddress(16);\n\n // Transfer tokens.\n // We do a raw call so we can check the success separate\n // from the return data.\n bool success = token.call(abi.encodeWithSelector(\n ERC20_TRANSFER_SELECTOR,\n msg.sender,\n amount\n ));\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n \n // Check return data.\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // value that evaluates to true.\n assembly {\n if returndatasize {\n success := 0\n if eq(returndatasize, 32) {\n // First 64 bytes of memory are reserved scratch space\n returndatacopy(0, 0, 32)\n success := mload(0)\n }\n }\n }\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n }\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n require(\n amount == 1,\n \"INVALID_AMOUNT\"\n );\n // Decode asset data.\n address token = assetData.readAddress(16);\n uint256 tokenId = assetData.readUint256(36);\n\n // Perform transfer.\n IERC721Token(token).transferFrom(\n address(this),\n msg.sender,\n tokenId\n );\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"../../protocol/Exchange/libs/LibAbiEncoder.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinExchangeWrapper is\n LibAbiEncoder,\n LibFillResults,\n LibMath,\n LibConstants,\n MExchangeWrapper\n{\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n address exchange = address(EXCHANGE);\n\n // Call `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := call(\n gas, // forward all gas, TODO: look into gas consumption of assert/throw\n exchange, // call address of Exchange contract\n 0, // transfer 0 wei\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n switch success\n case 0 {\n mstore(fillResults, 0)\n mstore(add(fillResults, 32), 0)\n mstore(add(fillResults, 64), 0)\n mstore(add(fillResults, 96), 0)\n }\n case 1 {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of WETH to sell\n uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of WETH\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmount(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount;\n if (makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n\n require(\n makerAssetFilledAmount >= makerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n // Do nothing if zrxBuyAmount == 0\n if (zrxBuyAmount == 0) {\n return totalFillResults;\n }\n\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n uint256 zrxPurchased = 0;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // All of these are ZRX/WETH, so we can drop the respective assetData from calldata.\n orders[i].makerAssetData = zrxAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of ZRX to buy.\n uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased);\n\n // Convert the remaining amount of ZRX to buy into remaining amount\n // of WETH to sell, assuming entire amount can be sold in the current order.\n uint256 remainingWethSellAmount = getPartialAmount(\n orders[i].takerAssetAmount,\n safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees \n remainingZrxBuyAmount\n );\n\n // Attempt to sell the remaining amount of WETH.\n FillResults memory singleFillResult = fillOrderNoThrow(\n orders[i],\n safeAdd(remainingWethSellAmount, 1), // we add 1 wei to the fill amount to make up for rounding errors\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker.\n addFillResults(totalFillResults, singleFillResult);\n zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid);\n\n // Stop execution if the entire amount of ZRX has been bought.\n if (zrxPurchased >= zrxBuyAmount) {\n break;\n }\n }\n\n require(\n zrxPurchased >= zrxBuyAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\nimport \"./mixins/MAssets.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"./interfaces/IForwarderCore.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinForwarderCore is\n LibFillResults,\n LibMath,\n LibConstants,\n MWeth,\n MAssets,\n MExchangeWrapper,\n IForwarderCore\n{\n\n using LibBytes for bytes;\n\n /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf.\n constructor ()\n public\n {\n address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID);\n if (proxyAddress != address(0)) {\n ETHER_TOKEN.approve(proxyAddress, MAX_UINT);\n ZRX_TOKEN.approve(proxyAddress, MAX_UINT);\n }\n }\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 wethSellAmount;\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // Calculate amount of WETH that won't be spent on ETH fees.\n wethSellAmount = getPartialAmount(\n PERCENTAGE_DENOMINATOR,\n safeAdd(PERCENTAGE_DENOMINATOR, feePercentage),\n msg.value\n );\n // Market sell available WETH.\n // ZRX fees are paid with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // 5% of WETH is reserved for filling feeOrders and paying feeRecipient.\n wethSellAmount = getPartialAmount(\n MAX_WETH_FILL_PERCENTAGE,\n PERCENTAGE_DENOMINATOR,\n msg.value\n );\n // Market sell 95% of WETH.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // If the makerAsset is ZRX, it is not necessary to pay fees out of this\n // contracts's ZRX balance because fees are factored into the price of the order.\n orderFillResults = marketBuyExactZrxWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // Attemp to purchase desired amount of makerAsset.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketBuyExactAmountWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\n\n\ncontract MixinWeth is\n LibMath,\n LibConstants,\n MWeth\n{\n\n /// @dev Default payabale function, this allows us to withdraw WETH\n function ()\n public\n payable\n {\n require(\n msg.sender == address(ETHER_TOKEN),\n \"DEFAULT_FUNCTION_WETH_CONTRACT_ONLY\"\n );\n }\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal\n {\n require(\n msg.value > 0,\n \"INVALID_MSG_VALUE\"\n );\n ETHER_TOKEN.deposit.value(msg.value)();\n }\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal\n {\n // Ensure feePercentage is less than 5%.\n require(\n feePercentage <= MAX_FEE_PERCENTAGE,\n \"FEE_PERCENTAGE_TOO_LARGE\"\n );\n\n // Ensure that no extra WETH owned by this contract has been sold.\n uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx);\n require(\n wethSold <= msg.value,\n \"OVERSOLD_WETH\"\n );\n\n // Calculate amount of WETH that hasn't been sold.\n uint256 wethRemaining = safeSub(msg.value, wethSold);\n\n // Calculate ETH fee to pay to feeRecipient.\n uint256 ethFee = getPartialAmount(\n feePercentage,\n PERCENTAGE_DENOMINATOR,\n wethSoldExcludingFeeOrders\n );\n\n // Ensure fee is less than amount of WETH remaining.\n require(\n ethFee <= wethRemaining,\n \"INSUFFICIENT_ETH_REMAINING\"\n );\n \n // Do nothing if no WETH remaining\n if (wethRemaining > 0) {\n // Convert remaining WETH to ETH\n ETHER_TOKEN.withdraw(wethRemaining);\n\n // Pay ETH to feeRecipient\n if (ethFee > 0) {\n feeRecipient.transfer(ethFee);\n }\n\n // Refund remaining ETH to msg.sender.\n uint256 ethRefund = safeSub(wethRemaining, ethFee);\n if (ethRefund > 0) {\n msg.sender.transfer(ethRefund);\n }\n }\n }\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssets {\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external;\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract IForwarderCore {\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n}\n", + "2.0.0/extensions/Forwarder/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/LibBytes/LibBytes.sol\";\nimport \"../../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../../tokens/EtherToken/IEtherToken.sol\";\nimport \"../../../tokens/ERC20Token/IERC20Token.sol\";\n\n\ncontract LibConstants {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n uint256 constant internal MAX_UINT = 2**256 - 1;\n uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; \n uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5%\n uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95%\n \n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n IEtherToken internal ETHER_TOKEN;\n IERC20Token internal ZRX_TOKEN;\n bytes internal ZRX_ASSET_DATA;\n bytes internal WETH_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n WETH_ASSET_DATA = _wethAssetData;\n\n address etherToken = _wethAssetData.readAddress(16);\n address zrxToken = _zrxAssetData.readAddress(16);\n ETHER_TOKEN = IEtherToken(etherToken);\n ZRX_TOKEN = IERC20Token(zrxToken);\n }\n}\n", + "2.0.0/extensions/Forwarder/mixins/MAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssets.sol\";\n\n\ncontract MAssets is\n IAssets\n{\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract MExchangeWrapper {\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n}\n", + "2.0.0/extensions/Forwarder/mixins/MWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract MWeth {\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal;\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal;\n}\n", + "2.0.0/extensions/OrderValidator/OrderValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract OrderValidator {\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n using LibBytes for bytes;\n\n struct TraderInfo {\n uint256 makerBalance; // Maker's balance of makerAsset\n uint256 makerAllowance; // Maker's allowance to corresponding AssetProxy\n uint256 takerBalance; // Taker's balance of takerAsset\n uint256 takerAllowance; // Taker's allowance to corresponding AssetProxy\n uint256 makerZrxBalance; // Maker's balance of ZRX\n uint256 makerZrxAllowance; // Maker's allowance of ZRX to ERC20Proxy\n uint256 takerZrxBalance; // Taker's balance of ZRX\n uint256 takerZrxAllowance; // Taker's allowance of ZRX to ERC20Proxy\n }\n\n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n bytes internal ZRX_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (address _exchange, bytes memory _zrxAssetData)\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n }\n\n /// @dev Fetches information for order and maker/taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return OrderInfo and TraderInfo instances for given order.\n function getOrderAndTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo, TraderInfo memory traderInfo)\n {\n orderInfo = EXCHANGE.getOrderInfo(order);\n traderInfo = getTraderInfo(order, takerAddress);\n return (orderInfo, traderInfo);\n }\n\n /// @dev Fetches information for all passed in orders and the makers/takers of each order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Arrays of OrderInfo and TraderInfo instances that correspond to each order.\n function getOrdersAndTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (LibOrder.OrderInfo[] memory ordersInfo, TraderInfo[] memory tradersInfo)\n {\n ordersInfo = EXCHANGE.getOrdersInfo(orders);\n tradersInfo = getTradersInfo(orders, takerAddresses);\n return (ordersInfo, tradersInfo);\n }\n\n /// @dev Fetches balance and allowances for maker and taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return Balances and allowances of maker and taker of order.\n function getTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (TraderInfo memory traderInfo)\n {\n (traderInfo.makerBalance, traderInfo.makerAllowance) = getBalanceAndAllowance(order.makerAddress, order.makerAssetData);\n (traderInfo.takerBalance, traderInfo.takerAllowance) = getBalanceAndAllowance(takerAddress, order.takerAssetData);\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n (traderInfo.makerZrxBalance, traderInfo.makerZrxAllowance) = getBalanceAndAllowance(order.makerAddress, zrxAssetData);\n (traderInfo.takerZrxBalance, traderInfo.takerZrxAllowance) = getBalanceAndAllowance(takerAddress, zrxAssetData);\n return traderInfo;\n }\n\n /// @dev Fetches balances and allowances of maker and taker for each provided order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Array of balances and allowances for maker and taker of each order.\n function getTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (TraderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n TraderInfo[] memory tradersInfo = new TraderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n tradersInfo[i] = getTraderInfo(orders[i], takerAddresses[i]);\n }\n return tradersInfo;\n }\n\n /// @dev Fetches token balances and allowances of an address to given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Encoded data that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balance of asset and allowance set to given proxy of asset.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalanceAndAllowance(address target, bytes memory assetData)\n public\n view\n returns (uint256 balance, uint256 allowance)\n {\n bytes4 assetProxyId = assetData.readBytes4(0);\n address token = assetData.readAddress(16);\n address assetProxy = EXCHANGE.getAssetProxy(assetProxyId);\n\n if (assetProxyId == ERC20_DATA_ID) {\n // Query balance\n balance = IERC20Token(token).balanceOf(target);\n\n // Query allowance\n allowance = IERC20Token(token).allowance(target, assetProxy);\n } else if (assetProxyId == ERC721_DATA_ID) {\n uint256 tokenId = assetData.readUint256(36);\n\n // Query owner of tokenId\n address owner = getERC721TokenOwner(token, tokenId);\n\n // Set balance to 1 if tokenId is owned by target\n balance = target == owner ? 1 : 0;\n\n // Check if ERC721Proxy is approved to spend tokenId\n bool isApproved = IERC721Token(token).isApprovedForAll(target, assetProxy) || IERC721Token(token).getApproved(tokenId) == assetProxy;\n \n // Set alowance to 1 if ERC721Proxy is approved to spend tokenId\n allowance = isApproved ? 1 : 0;\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n return (balance, allowance);\n }\n\n /// @dev Fetches token balances and allowances of an address for each given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Array of encoded byte arrays that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balances and allowances of assets.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalancesAndAllowances(address target, bytes[] memory assetData)\n public\n view\n returns (uint256[] memory, uint256[] memory)\n {\n uint256 length = assetData.length;\n uint256[] memory balances = new uint256[](length);\n uint256[] memory allowances = new uint256[](length);\n for (uint256 i = 0; i != length; i++) {\n (balances[i], allowances[i]) = getBalanceAndAllowance(target, assetData[i]);\n }\n return (balances, allowances);\n }\n\n /// @dev Calls `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token.\n /// @param token Address of ERC721 token.\n /// @param tokenId The identifier for the specific NFT.\n /// @return Owner of tokenId or null address if unowned.\n function getERC721TokenOwner(address token, uint256 tokenId)\n public\n view\n returns (address owner)\n {\n assembly {\n // load free memory pointer\n let cdStart := mload(64)\n\n // bytes4(keccak256(ownerOf(uint256))) = 0x6352211e\n mstore(cdStart, 0x6352211e00000000000000000000000000000000000000000000000000000000)\n mstore(add(cdStart, 4), tokenId)\n\n // staticcall `ownerOf(tokenId)`\n // `ownerOf` will revert if tokenId is not owned\n let success := staticcall(\n gas, // forward all gas\n token, // call token contract\n cdStart, // start of calldata\n 36, // length of input is 36 bytes\n cdStart, // write output over input\n 32 // size of output is 32 bytes\n )\n\n // Success implies that tokenId is owned\n // Copy owner from return data if successful\n if success {\n owner := mload(cdStart)\n } \n }\n\n // Owner initialized to address(0), no need to modify if call is unsuccessful\n return owner;\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC20Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n \n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n \n /////// Token contract address ///////\n // The token address is found as follows:\n // * It is stored at offset 4 in `assetData` contents.\n // * This is stored at offset 32 from `assetData`.\n // * The offset to `assetData` from Params is stored at offset\n // 4 in calldata.\n // * The offset of Params in calldata is 4.\n // So we read location 4 and add 32 + 4 + 4 to it.\n let token := calldataload(add(calldataload(4), 40))\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from`, `to` and `amount` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 96)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output over input\n 32 // output size should be 32 bytes\n )\n\n /////// Check return data. ///////\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // nonzero 32 bytes value.\n // So the transfer succeeded if the call succeeded and either\n // returned nothing, or returned a non-zero 32 byte value. \n success := and(success, or(\n iszero(returndatasize),\n and(\n eq(returndatasize, 32),\n gt(mload(0), 0)\n )\n ))\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC721Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 2 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n // | | 36 | | 2. tokenId |\n \n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. tokenId |\n\n // There exists only 1 of each token.\n // require(amount == 1, \"INVALID_AMOUNT\")\n if sub(calldataload(100), 1) {\n // Revert with `Error(\"INVALID_AMOUNT\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from` and `to` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 64)\n\n // Copy `tokenId` field from our own calldata to the new calldata.\n let assetDataOffset := calldataload(4)\n calldatacopy(68, add(assetDataOffset, 72), 32)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let token := calldataload(add(assetDataOffset, 40))\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output to null\n 0 // output size is 0 bytes\n )\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAuthorizable.sol\";\n\n\ncontract MixinAuthorizable is\n Ownable,\n MAuthorizable\n{\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized {\n require(\n authorized[msg.sender],\n \"SENDER_NOT_AUTHORIZED\"\n );\n _;\n }\n\n mapping (address => bool) public authorized;\n address[] public authorities;\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n !authorized[target],\n \"TARGET_ALREADY_AUTHORIZED\"\n );\n\n authorized[target] = true;\n authorities.push(target);\n emit AuthorizedAddressAdded(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n\n delete authorized[target];\n for (uint256 i = 0; i < authorities.length; i++) {\n if (authorities[i] == target) {\n authorities[i] = authorities[authorities.length - 1];\n authorities.length -= 1;\n break;\n }\n }\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n require(\n index < authorities.length,\n \"INDEX_OUT_OF_BOUNDS\"\n );\n require(\n authorities[index] == target,\n \"AUTHORIZED_ADDRESS_MISMATCH\"\n );\n\n delete authorized[target];\n authorities[index] = authorities[authorities.length - 1];\n authorities.length -= 1;\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory)\n {\n return authorities;\n }\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IAuthorizable.sol\";\n\n\ncontract IAssetProxy is\n IAuthorizable\n{\n\n /// @dev Transfers assets. Either succeeds or throws.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n function transferFrom(\n bytes assetData,\n address from,\n address to,\n uint256 amount\n )\n external;\n \n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4);\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/Ownable/IOwnable.sol\";\n\n\ncontract IAuthorizable is\n IOwnable\n{\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external;\n \n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory);\n}\n", + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAuthorizable.sol\";\n\n\ncontract MAuthorizable is\n IAuthorizable\n{\n\n // Event logged when a new address is authorized.\n event AuthorizedAddressAdded(\n address indexed target,\n address indexed caller\n );\n\n // Event logged when a currently authorized address is unauthorized.\n event AuthorizedAddressRemoved(\n address indexed target,\n address indexed caller\n );\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized { revert(); _; }\n}\n", + "2.0.0/protocol/Exchange/Exchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinExchangeCore.sol\";\nimport \"./MixinSignatureValidator.sol\";\nimport \"./MixinWrapperFunctions.sol\";\nimport \"./MixinAssetProxyDispatcher.sol\";\nimport \"./MixinTransactions.sol\";\nimport \"./MixinMatchOrders.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Exchange is\n MixinExchangeCore,\n MixinMatchOrders,\n MixinSignatureValidator,\n MixinTransactions,\n MixinAssetProxyDispatcher,\n MixinWrapperFunctions\n{\n\n string constant public VERSION = \"2.0.1-alpha\";\n\n // Mixins are instantiated in the order they are inherited\n constructor (bytes memory _zrxAssetData)\n public\n LibConstants(_zrxAssetData) // @TODO: Remove when we deploy.\n MixinExchangeCore()\n MixinMatchOrders()\n MixinSignatureValidator()\n MixinTransactions()\n MixinAssetProxyDispatcher()\n MixinWrapperFunctions()\n {}\n}\n", + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\nimport \"../AssetProxy/interfaces/IAssetProxy.sol\";\n\n\ncontract MixinAssetProxyDispatcher is\n Ownable,\n MAssetProxyDispatcher\n{\n using LibBytes for bytes;\n \n // Mapping from Asset Proxy Id's to their respective Asset Proxy\n mapping (bytes4 => IAssetProxy) public assetProxies;\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external\n onlyOwner\n {\n IAssetProxy assetProxyContract = IAssetProxy(assetProxy);\n\n // Ensure that no asset proxy exists with current id.\n bytes4 assetProxyId = assetProxyContract.getProxyId();\n address currentAssetProxy = assetProxies[assetProxyId];\n require(\n currentAssetProxy == address(0),\n \"ASSET_PROXY_ALREADY_EXISTS\"\n );\n\n // Add asset proxy and log registration.\n assetProxies[assetProxyId] = assetProxyContract;\n emit AssetProxyRegistered(\n assetProxyId,\n assetProxy\n );\n }\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address)\n {\n return assetProxies[assetProxyId];\n }\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal\n {\n // Do nothing if no amount should be transferred.\n if (amount > 0) {\n // Ensure assetData length is valid\n require(\n assetData.length > 3,\n \"LENGTH_GREATER_THAN_3_REQUIRED\"\n );\n \n // Lookup assetProxy\n bytes4 assetProxyId;\n assembly {\n assetProxyId := and(mload(\n add(assetData, 32)),\n 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000\n )\n }\n address assetProxy = assetProxies[assetProxyId];\n\n // Ensure that assetProxy exists\n require(\n assetProxy != address(0),\n \"ASSET_PROXY_DOES_NOT_EXIST\"\n );\n \n // We construct calldata for the `assetProxy.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n\n assembly {\n /////// Setup State ///////\n // `cdStart` is the start of the calldata for `assetProxy.transferFrom` (equal to free memory ptr).\n let cdStart := mload(64)\n // `dataAreaLength` is the total number of words needed to store `assetData`\n // As-per the ABI spec, this value is padded up to the nearest multiple of 32,\n // and includes 32-bytes for length.\n let dataAreaLength := and(add(mload(assetData), 63), 0xFFFFFFFFFFFE0)\n // `cdEnd` is the end of the calldata for `assetProxy.transferFrom`.\n let cdEnd := add(cdStart, add(132, dataAreaLength))\n\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFromSelector`.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes.\n // Notes:\n // 1. The offset to `assetData` is the length of the Params Area (128 bytes).\n // 2. A 20-byte mask is applied to addresses to zero-out the unused bytes.\n mstore(add(cdStart, 4), 128)\n mstore(add(cdStart, 36), and(from, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 68), and(to, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 100), amount)\n \n /////// Setup Data Area ///////\n // This area holds `assetData`.\n let dataArea := add(cdStart, 132)\n // solhint-disable-next-line no-empty-blocks\n for {} lt(dataArea, cdEnd) {} {\n mstore(dataArea, mload(assetData))\n dataArea := add(dataArea, 32)\n assetData := add(assetData, 32)\n }\n\n /////// Call `assetProxy.transferFrom` using the constructed calldata ///////\n let success := call(\n gas, // forward all gas\n assetProxy, // call address of asset proxy\n 0, // don't send any ETH\n cdStart, // pointer to start of input\n sub(cdEnd, cdStart), // length of input \n cdStart, // write output over input\n 512 // reserve 512 bytes for output\n )\n if iszero(success) {\n revert(cdStart, returndatasize())\n }\n }\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinExchangeCore is\n LibConstants,\n LibMath,\n LibOrder,\n LibFillResults,\n MAssetProxyDispatcher,\n MExchangeCore,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of orderHash => amount of takerAsset already bought by maker\n mapping (bytes32 => uint256) public filled;\n\n // Mapping of orderHash => cancelled\n mapping (bytes32 => bool) public cancelled;\n\n // Mapping of makerAddress => senderAddress => lowest salt an order can have in order to be fillable\n // Orders with specified senderAddress and with a salt less than their epoch are considered cancelled\n mapping (address => mapping (address => uint256)) public orderEpoch;\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external\n {\n address makerAddress = getCurrentContextAddress();\n // If this function is called via `executeTransaction`, we only update the orderEpoch for the makerAddress/msg.sender combination.\n // This allows external filter contracts to add rules to how orders are cancelled via this function.\n address senderAddress = makerAddress == msg.sender ? address(0) : msg.sender;\n\n // orderEpoch is initialized to 0, so to cancelUpTo we need salt + 1\n uint256 newOrderEpoch = targetOrderEpoch + 1; \n uint256 oldOrderEpoch = orderEpoch[makerAddress][senderAddress];\n\n // Ensure orderEpoch is monotonically increasing\n require(\n newOrderEpoch > oldOrderEpoch, \n \"INVALID_NEW_ORDER_EPOCH\"\n );\n\n // Update orderEpoch\n orderEpoch[makerAddress][senderAddress] = newOrderEpoch;\n emit CancelUpTo(makerAddress, senderAddress, newOrderEpoch);\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // Fetch order info\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n\n // Get amount of takerAsset to fill\n uint256 remainingTakerAssetAmount = safeSub(order.takerAssetAmount, orderInfo.orderTakerAssetFilledAmount);\n uint256 takerAssetFilledAmount = min256(takerAssetFillAmount, remainingTakerAssetAmount);\n\n // Validate context\n assertValidFill(\n order,\n orderInfo,\n takerAddress,\n takerAssetFillAmount,\n takerAssetFilledAmount,\n signature\n );\n\n // Compute proportional fill amounts\n fillResults = calculateFillResults(order, takerAssetFilledAmount);\n\n // Update exchange internal state\n updateFilledState(\n order,\n takerAddress,\n orderInfo.orderHash,\n orderInfo.orderTakerAssetFilledAmount,\n fillResults\n );\n \n // Settle order\n settleOrder(order, takerAddress, fillResults);\n\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrder(Order memory order)\n public\n {\n // Fetch current order status\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Validate context\n assertValidCancel(order, orderInfo);\n\n // Perform cancel\n updateCancelledState(order, orderInfo.orderHash);\n }\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(Order memory order)\n public\n view\n returns (OrderInfo memory orderInfo)\n {\n // Compute the order hash\n orderInfo.orderHash = getOrderHash(order);\n\n // Fetch filled amount\n orderInfo.orderTakerAssetFilledAmount = filled[orderInfo.orderHash];\n\n // If order.makerAssetAmount is zero, we also reject the order.\n // While the Exchange contract handles them correctly, they create\n // edge cases in the supporting infrastructure because they have\n // an 'infinite' price when computed by a simple division.\n if (order.makerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_MAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // If order.takerAssetAmount is zero, then the order will always\n // be considered filled because 0 == takerAssetAmount == orderTakerAssetFilledAmount\n // Instead of distinguishing between unfilled and filled zero taker\n // amount orders, we choose not to support them.\n if (order.takerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_TAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // Validate order availability\n if (orderInfo.orderTakerAssetFilledAmount >= order.takerAssetAmount) {\n orderInfo.orderStatus = uint8(OrderStatus.FULLY_FILLED);\n return orderInfo;\n }\n\n // Validate order expiration\n // solhint-disable-next-line not-rely-on-time\n if (block.timestamp >= order.expirationTimeSeconds) {\n orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);\n return orderInfo;\n }\n\n // Check if order has been cancelled\n if (cancelled[orderInfo.orderHash]) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n if (orderEpoch[order.makerAddress][order.senderAddress] > order.salt) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n\n // All other statuses are ruled out: order is Fillable\n orderInfo.orderStatus = uint8(OrderStatus.FILLABLE);\n return orderInfo;\n }\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n function updateFilledState(\n Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n FillResults memory fillResults\n )\n internal\n {\n // Update state\n filled[orderHash] = safeAdd(orderTakerAssetFilledAmount, fillResults.takerAssetFilledAmount);\n\n // Log order\n emit Fill(\n order.makerAddress,\n order.feeRecipientAddress,\n takerAddress,\n msg.sender,\n fillResults.makerAssetFilledAmount,\n fillResults.takerAssetFilledAmount,\n fillResults.makerFeePaid,\n fillResults.takerFeePaid,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n Order memory order,\n bytes32 orderHash\n )\n internal\n {\n // Perform cancel\n cancelled[orderHash] = true;\n\n // Log cancel\n emit Cancel(\n order.makerAddress,\n order.feeRecipientAddress,\n msg.sender,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param signature Proof that the orders was created by its maker.\n function assertValidFill(\n Order memory order,\n OrderInfo memory orderInfo,\n address takerAddress,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n bytes memory signature\n )\n internal\n view\n {\n // An order can only be filled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Revert if fill amount is invalid\n require(\n takerAssetFillAmount != 0,\n \"INVALID_TAKER_AMOUNT\"\n );\n\n // Validate sender is allowed to fill this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate taker is allowed to fill this order\n if (order.takerAddress != address(0)) {\n require(\n order.takerAddress == takerAddress,\n \"INVALID_TAKER\"\n );\n }\n\n // Validate Maker signature (check only if first time seen)\n if (orderInfo.orderTakerAssetFilledAmount == 0) {\n require(\n isValidSignature(\n orderInfo.orderHash,\n order.makerAddress,\n signature\n ),\n \"INVALID_ORDER_SIGNATURE\"\n );\n }\n\n // Validate fill order rounding\n require(\n !isRoundingError(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n ),\n \"ROUNDING_ERROR\"\n );\n }\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n Order memory order,\n OrderInfo memory orderInfo\n )\n internal\n view\n {\n // Ensure order is valid\n // An order can only be cancelled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Validate sender is allowed to cancel this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate transaction signed by maker\n address makerAddress = getCurrentContextAddress();\n require(\n order.makerAddress == makerAddress,\n \"INVALID_MAKER\"\n );\n }\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (FillResults memory fillResults)\n {\n // Compute proportional transfer amounts\n fillResults.takerAssetFilledAmount = takerAssetFilledAmount;\n fillResults.makerAssetFilledAmount = getPartialAmount(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n );\n fillResults.makerFeePaid = getPartialAmount(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerFee\n );\n fillResults.takerFeePaid = getPartialAmount(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.takerFee\n );\n\n return fillResults;\n }\n\n /// @dev Settles an order by transferring assets between counterparties.\n /// @param order Order struct containing order specifications.\n /// @param takerAddress Address selling takerAsset and buying makerAsset.\n /// @param fillResults Amounts to be filled and fees paid by maker and taker.\n function settleOrder(\n LibOrder.Order memory order,\n address takerAddress,\n LibFillResults.FillResults memory fillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n dispatchTransferFrom(\n order.makerAssetData,\n order.makerAddress,\n takerAddress,\n fillResults.makerAssetFilledAmount\n );\n dispatchTransferFrom(\n order.takerAssetData,\n takerAddress,\n order.makerAddress,\n fillResults.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n zrxAssetData,\n order.makerAddress,\n order.feeRecipientAddress,\n fillResults.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n order.feeRecipientAddress,\n fillResults.takerFeePaid\n );\n }\n}\n", + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": "/*\n Copyright 2018 ZeroEx Intl.\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n http://www.apache.org/licenses/LICENSE-2.0\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MMatchOrders.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinMatchOrders is\n LibConstants,\n LibMath,\n MAssetProxyDispatcher,\n MExchangeCore,\n MMatchOrders,\n MTransactions\n{\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We assume that rightOrder.takerAssetData == leftOrder.makerAssetData and rightOrder.makerAssetData == leftOrder.takerAssetData.\n // If this assumption isn't true, the match will fail at signature validation.\n rightOrder.makerAssetData = leftOrder.takerAssetData;\n rightOrder.takerAssetData = leftOrder.makerAssetData;\n\n // Get left & right order info\n LibOrder.OrderInfo memory leftOrderInfo = getOrderInfo(leftOrder);\n LibOrder.OrderInfo memory rightOrderInfo = getOrderInfo(rightOrder);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n\n // Either our context is valid or we revert\n assertValidMatch(leftOrder, rightOrder);\n\n // Compute proportional fill amounts\n matchedFillResults = calculateMatchedFillResults(\n leftOrder,\n rightOrder,\n leftOrderInfo.orderTakerAssetFilledAmount,\n rightOrderInfo.orderTakerAssetFilledAmount\n );\n\n // Validate fill contexts\n assertValidFill(\n leftOrder,\n leftOrderInfo,\n takerAddress,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.takerAssetFilledAmount,\n leftSignature\n );\n assertValidFill(\n rightOrder,\n rightOrderInfo,\n takerAddress,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount,\n rightSignature\n );\n\n // Update exchange state\n updateFilledState(\n leftOrder,\n takerAddress,\n leftOrderInfo.orderHash,\n leftOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.left\n );\n updateFilledState(\n rightOrder,\n takerAddress,\n rightOrderInfo.orderHash,\n rightOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.right\n );\n \n // Settle matched orders. Succeeds or throws.\n settleMatchedOrders(\n leftOrder,\n rightOrder,\n takerAddress,\n matchedFillResults\n );\n\n return matchedFillResults;\n }\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure\n {\n // Make sure there is a profitable spread.\n // There is a profitable spread iff the cost per unit bought (OrderA.MakerAmount/OrderA.TakerAmount) for each order is greater\n // than the profit per unit sold of the matched order (OrderB.TakerAmount/OrderB.MakerAmount).\n // This is satisfied by the equations below:\n // / >= / \n // AND\n // / >= / \n // These equations can be combined to get the following:\n require(\n safeMul(leftOrder.makerAssetAmount, rightOrder.makerAssetAmount) >=\n safeMul(leftOrder.takerAssetAmount, rightOrder.takerAssetAmount),\n \"NEGATIVE_SPREAD_REQUIRED\"\n );\n }\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We settle orders at the exchange rate of the right order.\n // The amount saved by the left maker goes to the taker.\n // Either the left or right order will be fully filled; possibly both.\n // The left order is fully filled iff the right order can sell more than left can buy.\n // That is: the amount required to fill the left order is less than or equal to\n // the amount we can spend from the right order:\n // <= * \n // <= * / \n // * <= * \n uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);\n uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);\n uint256 leftTakerAssetFilledAmount;\n uint256 rightTakerAssetFilledAmount;\n if (\n safeMul(leftTakerAssetAmountRemaining, rightOrder.takerAssetAmount) <=\n safeMul(rightTakerAssetAmountRemaining, rightOrder.makerAssetAmount)\n ) {\n // Left order will be fully filled: maximally fill left\n leftTakerAssetFilledAmount = leftTakerAssetAmountRemaining;\n\n // The right order receives an amount proportional to how much was spent.\n rightTakerAssetFilledAmount = getPartialAmount(\n rightOrder.takerAssetAmount,\n rightOrder.makerAssetAmount,\n leftTakerAssetFilledAmount\n );\n } else {\n // Right order will be fully filled: maximally fill right\n rightTakerAssetFilledAmount = rightTakerAssetAmountRemaining;\n\n // The left order receives an amount proportional to how much was spent.\n leftTakerAssetFilledAmount = getPartialAmount(\n rightOrder.makerAssetAmount,\n rightOrder.takerAssetAmount,\n rightTakerAssetFilledAmount\n );\n }\n\n // Calculate fill results for left order\n matchedFillResults.left = calculateFillResults(\n leftOrder,\n leftTakerAssetFilledAmount\n );\n\n // Calculate fill results for right order\n matchedFillResults.right = calculateFillResults(\n rightOrder,\n rightTakerAssetFilledAmount\n );\n\n // Calculate amount given to taker\n matchedFillResults.leftMakerAssetSpreadAmount = safeSub(\n matchedFillResults.left.makerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount\n );\n\n // Return fill results\n return matchedFillResults;\n }\n\n /// @dev Settles matched order by transferring appropriate funds between order makers, taker, and fee recipient.\n /// @param leftOrder First matched order.\n /// @param rightOrder Second matched order.\n /// @param takerAddress Address that matched the orders. The taker receives the spread between orders as profit.\n /// @param matchedFillResults Struct holding amounts to transfer between makers, taker, and fee recipients.\n function settleMatchedOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n address takerAddress,\n LibFillResults.MatchedFillResults memory matchedFillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n // Order makers and taker\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n rightOrder.makerAddress,\n matchedFillResults.right.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n rightOrder.makerAssetData,\n rightOrder.makerAddress,\n leftOrder.makerAddress,\n matchedFillResults.left.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n takerAddress,\n matchedFillResults.leftMakerAssetSpreadAmount\n );\n\n // Maker fees\n dispatchTransferFrom(\n zrxAssetData,\n leftOrder.makerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n rightOrder.makerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.makerFeePaid\n );\n\n // Taker fees\n if (leftOrder.feeRecipientAddress == rightOrder.feeRecipientAddress) {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n safeAdd(\n matchedFillResults.left.takerFeePaid,\n matchedFillResults.right.takerFeePaid\n )\n );\n } else {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.takerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.takerFeePaid\n );\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./interfaces/IWallet.sol\";\nimport \"./interfaces/IValidator.sol\";\n\n\ncontract MixinSignatureValidator is\n MSignatureValidator,\n MTransactions\n{\n using LibBytes for bytes;\n \n // Mapping of hash => signer => signed\n mapping (bytes32 => mapping (address => bool)) public preSigned;\n\n // Mapping of signer => validator => approved\n mapping (address => mapping (address => bool)) public allowedValidators;\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n {\n require(\n isValidSignature(\n hash,\n signerAddress,\n signature\n ),\n \"INVALID_SIGNATURE\"\n );\n preSigned[hash][signerAddress] = true;\n }\n\n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external\n {\n address signerAddress = getCurrentContextAddress();\n allowedValidators[signerAddress][validatorAddress] = approval;\n emit SignatureValidatorApproval(\n signerAddress,\n validatorAddress,\n approval\n );\n }\n\n /// @dev Verifies that a hash has been signed by the given signer.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid)\n {\n require(\n signature.length > 0,\n \"LENGTH_GREATER_THAN_0_REQUIRED\"\n );\n\n // Pop last byte off of signature byte array.\n uint8 signatureTypeRaw = uint8(signature.popLastByte());\n\n // Ensure signature is supported\n require(\n signatureTypeRaw < uint8(SignatureType.NSignatureTypes),\n \"SIGNATURE_UNSUPPORTED\"\n );\n\n SignatureType signatureType = SignatureType(signatureTypeRaw);\n\n // Variables are not scoped in Solidity.\n uint8 v;\n bytes32 r;\n bytes32 s;\n address recovered;\n\n // Always illegal signature.\n // This is always an implicit option since a signer can create a\n // signature array with invalid type or length. We may as well make\n // it an explicit option. This aids testing and analysis. It is\n // also the initialization value for the enum type.\n if (signatureType == SignatureType.Illegal) {\n revert(\"SIGNATURE_ILLEGAL\");\n\n // Always invalid signature.\n // Like Illegal, this is always implicitly available and therefore\n // offered explicitly. It can be implicitly created by providing\n // a correctly formatted but incorrect signature.\n } else if (signatureType == SignatureType.Invalid) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = false;\n return isValid;\n\n // Signature using EIP712\n } else if (signatureType == SignatureType.EIP712) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n hash,\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signed using web3.eth_sign\n } else if (signatureType == SignatureType.EthSign) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n32\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Implicitly signed by caller.\n // The signer has initiated the call. In the case of non-contract\n // accounts it means the transaction itself was signed.\n // Example: let's say for a particular operation three signatures\n // A, B and C are required. To submit the transaction, A and B can\n // give a signature to C, who can then submit the transaction using\n // `Caller` for his own signature. Or A and C can sign and B can\n // submit using `Caller`. Having `Caller` allows this flexibility.\n } else if (signatureType == SignatureType.Caller) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = signerAddress == msg.sender;\n return isValid;\n\n // Signature verified by wallet contract.\n // If used with an order, the maker of the order is the wallet contract.\n } else if (signatureType == SignatureType.Wallet) {\n isValid = IWallet(signerAddress).isValidSignature(hash, signature);\n return isValid;\n\n // Signature verified by validator contract.\n // If used with an order, the maker of the order can still be an EOA.\n // A signature using this type should be encoded as:\n // | Offset | Length | Contents |\n // | 0x00 | x | Signature to validate |\n // | 0x00 + x | 20 | Address of validator contract |\n // | 0x14 + x | 1 | Signature type is always \"\\x06\" |\n } else if (signatureType == SignatureType.Validator) {\n // Pop last 20 bytes off of signature byte array.\n address validatorAddress = signature.popLast20Bytes();\n \n // Ensure signer has approved validator.\n if (!allowedValidators[signerAddress][validatorAddress]) {\n return false;\n }\n isValid = IValidator(validatorAddress).isValidSignature(\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signer signed hash previously using the preSign function.\n } else if (signatureType == SignatureType.PreSigned) {\n isValid = preSigned[hash][signerAddress];\n return isValid;\n\n // Signature from Trezor hardware wallet.\n // It differs from web3.eth_sign in the encoding of message length\n // (Bitcoin varint encoding vs ascii-decimal, the latter is not\n // self-terminating which leads to ambiguities).\n // See also:\n // https://en.bitcoin.it/wiki/Protocol_documentation#Variable_length_integer\n // https://github.com/trezor/trezor-mcu/blob/master/firmware/ethereum.c#L602\n // https://github.com/trezor/trezor-mcu/blob/master/firmware/crypto.c#L36\n } else if (signatureType == SignatureType.Trezor) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n\\x20\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n }\n\n // Anything else is illegal (We do not return false because\n // the signature may actually be valid, just not in a format\n // that we currently support. In this case returning false\n // may lead the caller to incorrectly believe that the\n // signature was invalid.)\n revert(\"SIGNATURE_UNSUPPORTED\");\n }\n}\n", + "2.0.0/protocol/Exchange/MixinTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"./libs/LibExchangeErrors.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./libs/LibEIP712.sol\";\n\n\ncontract MixinTransactions is\n LibEIP712,\n MSignatureValidator,\n MTransactions\n{\n\n // Mapping of transaction hash => executed\n // This prevents transactions from being executed more than once.\n mapping (bytes32 => bool) public transactions;\n\n // Address of current transaction signer\n address public currentContextAddress;\n\n // Hash for the EIP712 ZeroEx Transaction Schema\n bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"ZeroExTransaction(\",\n \"uint256 salt,\",\n \"address signerAddress,\",\n \"bytes data\",\n \")\"\n ));\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external\n {\n // Prevent reentrancy\n require(\n currentContextAddress == address(0),\n \"REENTRANCY_ILLEGAL\"\n );\n\n bytes32 transactionHash = hashEIP712Message(hashZeroExTransaction(\n salt,\n signerAddress,\n data\n ));\n\n // Validate transaction has not been executed\n require(\n !transactions[transactionHash],\n \"INVALID_TX_HASH\"\n );\n\n // Transaction always valid if signer is sender of transaction\n if (signerAddress != msg.sender) {\n // Validate signature\n require(\n isValidSignature(\n transactionHash,\n signerAddress,\n signature\n ),\n \"INVALID_TX_SIGNATURE\"\n );\n\n // Set the current transaction signer\n currentContextAddress = signerAddress;\n }\n\n // Execute transaction\n transactions[transactionHash] = true;\n require(\n address(this).delegatecall(data),\n \"FAILED_EXECUTION\"\n );\n\n // Reset current transaction signer if it was previously updated\n if (signerAddress != msg.sender) {\n currentContextAddress = address(0);\n }\n }\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;\n bytes32 dataHash = keccak256(data);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,\n // salt,\n // bytes32(signerAddress),\n // keccak256(data)\n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, schemaHash) // hash of schema\n mstore(add(memPtr, 32), salt) // salt\n mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff)) // signerAddress\n mstore(add(memPtr, 96), dataHash) // hash of data\n\n // Compute hash\n result := keccak256(memPtr, 128)\n }\n return result;\n }\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address)\n {\n address contextAddress = currentContextAddress == address(0) ? msg.sender : currentContextAddress;\n return contextAddress;\n }\n}\n", + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibAbiEncoder.sol\";\nimport \"./mixins/MExchangeCore.sol\";\n\n\ncontract MixinWrapperFunctions is\n LibMath,\n LibFillResults,\n LibAbiEncoder,\n MExchangeCore\n{\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n require(\n fillResults.takerAssetFilledAmount == takerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return fillResults;\n }\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n // Delegate to `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := delegatecall(\n gas, // forward all gas, TODO: look into gas consumption of assert/throw\n address, // call address of this contract\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n switch success\n case 0 {\n mstore(fillResults, 0)\n mstore(add(fillResults, 32), 0)\n mstore(add(fillResults, 64), 0)\n mstore(add(fillResults, 96), 0)\n }\n case 1 {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrder(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrKillOrder(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n \n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrder(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmount(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrder(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmount(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n cancelOrder(orders[i]);\n }\n }\n\n /// @dev Fetches information for all passed in orders.\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n LibOrder.OrderInfo[] memory ordersInfo = new LibOrder.OrderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n ordersInfo[i] = getOrderInfo(orders[i]);\n }\n return ordersInfo;\n }\n}\n", + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssetProxyDispatcher {\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external;\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./IExchangeCore.sol\";\nimport \"./IMatchOrders.sol\";\nimport \"./ISignatureValidator.sol\";\nimport \"./ITransactions.sol\";\nimport \"./IAssetProxyDispatcher.sol\";\nimport \"./IWrapperFunctions.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract IExchange is\n IExchangeCore,\n IMatchOrders,\n ISignatureValidator,\n ITransactions,\n IAssetProxyDispatcher,\n IWrapperFunctions\n{}\n", + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IExchangeCore {\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external;\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrder(LibOrder.Order memory order)\n public;\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(LibOrder.Order memory order)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IMatchOrders {\n\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ISignatureValidator {\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external;\n \n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external;\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address of signer.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\n\ncontract ITransactions {\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external;\n}\n", + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IValidator {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IWallet {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IWrapperFunctions {\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public;\n\n /// @dev Fetches information for all passed in orders\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory);\n}\n", + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./LibOrder.sol\";\n\n\ncontract LibAbiEncoder {\n\n /// @dev ABI encodes calldata for `fillOrder`.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return ABI encoded calldata for `fillOrder`.\n function abiEncodeFillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n pure\n returns (bytes memory fillOrderCalldata)\n {\n // We need to call MExchangeCore.fillOrder using a delegatecall in\n // assembly so that we can intercept a call that throws. For this, we\n // need the input encoded in memory in the Ethereum ABIv2 format [1].\n\n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0x00 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 0x00 | | 1. offset to order (*) |\n // | | 0x20 | | 2. takerAssetFillAmount |\n // | | 0x40 | | 3. offset to signature (*) |\n // | Data | | 12 * 32 | order: |\n // | | 0x000 | | 1. senderAddress |\n // | | 0x020 | | 2. makerAddress |\n // | | 0x040 | | 3. takerAddress |\n // | | 0x060 | | 4. feeRecipientAddress |\n // | | 0x080 | | 5. makerAssetAmount |\n // | | 0x0A0 | | 6. takerAssetAmount |\n // | | 0x0C0 | | 7. makerFeeAmount |\n // | | 0x0E0 | | 8. takerFeeAmount |\n // | | 0x100 | | 9. expirationTimeSeconds |\n // | | 0x120 | | 10. salt |\n // | | 0x140 | | 11. Offset to makerAssetData (*) |\n // | | 0x160 | | 12. Offset to takerAssetData (*) |\n // | | 0x180 | 32 | makerAssetData Length |\n // | | 0x1A0 | ** | makerAssetData Contents |\n // | | 0x1C0 | 32 | takerAssetData Length |\n // | | 0x1E0 | ** | takerAssetData Contents |\n // | | 0x200 | 32 | signature Length |\n // | | 0x220 | ** | signature Contents |\n\n // * Offsets are calculated from the beginning of the current area: Header, Params, Data:\n // An offset stored in the Params area is calculated from the beginning of the Params section.\n // An offset stored in the Data area is calculated from the beginning of the Data section.\n\n // ** The length of dynamic array contents are stored in the field immediately preceeding the contents.\n\n // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html\n\n assembly {\n\n // Areas below may use the following variables:\n // 1. Start -- Start of this area in memory\n // 2. End -- End of this area in memory. This value may\n // be precomputed (before writing contents),\n // or it may be computed as contents are written.\n // 3. Offset -- Current offset into area. If an area's End\n // is precomputed, this variable tracks the\n // offsets of contents as they are written.\n\n /////// Setup Header Area ///////\n // Load free memory pointer\n fillOrderCalldata := mload(0x40)\n // bytes4(keccak256(\"fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)\"))\n // = 0xb4be83d5\n // Leave 0x20 bytes to store the length\n mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000)\n let headerAreaEnd := add(fillOrderCalldata, 0x24)\n\n /////// Setup Params Area ///////\n // This area is preallocated and written to later.\n // This is because we need to fill in offsets that have not yet been calculated.\n let paramsAreaStart := headerAreaEnd\n let paramsAreaEnd := add(paramsAreaStart, 0x60)\n let paramsAreaOffset := paramsAreaStart\n\n /////// Setup Data Area ///////\n let dataAreaStart := paramsAreaEnd\n let dataAreaEnd := dataAreaStart\n\n // Offset from the source data we're reading from\n let sourceOffset := order\n // arrayLenBytes and arrayLenWords track the length of a dynamically-allocated bytes array.\n let arrayLenBytes := 0\n let arrayLenWords := 0\n\n /////// Write order Struct ///////\n // Write memory location of Order, relative to the start of the\n // parameter list, then increment the paramsAreaOffset respectively.\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n // Write values for each field in the order\n // It would be nice to use a loop, but we save on gas by writing\n // the stores sequentially.\n mstore(dataAreaEnd, mload(sourceOffset)) // makerAddress\n mstore(add(dataAreaEnd, 0x20), mload(add(sourceOffset, 0x20))) // takerAddress\n mstore(add(dataAreaEnd, 0x40), mload(add(sourceOffset, 0x40))) // feeRecipientAddress\n mstore(add(dataAreaEnd, 0x60), mload(add(sourceOffset, 0x60))) // senderAddress\n mstore(add(dataAreaEnd, 0x80), mload(add(sourceOffset, 0x80))) // makerAssetAmount\n mstore(add(dataAreaEnd, 0xA0), mload(add(sourceOffset, 0xA0))) // takerAssetAmount\n mstore(add(dataAreaEnd, 0xC0), mload(add(sourceOffset, 0xC0))) // makerFeeAmount\n mstore(add(dataAreaEnd, 0xE0), mload(add(sourceOffset, 0xE0))) // takerFeeAmount\n mstore(add(dataAreaEnd, 0x100), mload(add(sourceOffset, 0x100))) // expirationTimeSeconds\n mstore(add(dataAreaEnd, 0x120), mload(add(sourceOffset, 0x120))) // salt\n mstore(add(dataAreaEnd, 0x140), mload(add(sourceOffset, 0x140))) // Offset to makerAssetData\n mstore(add(dataAreaEnd, 0x160), mload(add(sourceOffset, 0x160))) // Offset to takerAssetData\n dataAreaEnd := add(dataAreaEnd, 0x180)\n sourceOffset := add(sourceOffset, 0x180)\n\n // Write offset to \n mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x140)) // makerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Write offset to \n mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x160)) // takerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n /////// Write takerAssetFillAmount ///////\n mstore(paramsAreaOffset, takerAssetFillAmount)\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n /////// Write signature ///////\n // Write offset to paramsArea\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n\n // Calculate length of signature\n sourceOffset := signature\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of signature\n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of signature\n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Set length of calldata\n mstore(fillOrderCalldata, sub(dataAreaEnd, add(fillOrderCalldata, 0x20)))\n\n // Increment free memory pointer\n mstore(0x40, dataAreaEnd)\n }\n\n return fillOrderCalldata;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\n// solhint-disable max-line-length\ncontract LibConstants {\n \n // Asset data for ZRX token. Used for fee transfers.\n // @TODO: Hardcode constant when we deploy. Currently \n // not constant to make testing easier.\n\n // The proxyId for ZRX_ASSET_DATA is bytes4(keccak256(\"ERC20Token(address)\")) = 0xf47261b0\n \n // Kovan ZRX address is 0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570.\n // The ABI encoded proxyId and address is 0xf47261b00000000000000000000000006ff6c0ff1d68b964901f986d4c9fa3ac68346570\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x6f\\xf6\\xc0\\xff\\x1d\\x68\\xb9\\x64\\x90\\x1f\\x98\\x6d\\x4c\\x9f\\xa3\\xac\\x68\\x34\\x65\\x70\";\n \n // Mainnet ZRX address is 0xe41d2489571d322189246dafa5ebde1f4699f498.\n // The ABI encoded proxyId and address is 0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xe4\\x1d\\x24\\x89\\x57\\x1d\\x32\\x21\\x89\\x24\\x6d\\xaf\\xa5\\xeb\\xde\\x1f\\x46\\x99\\xf4\\x98\";\n \n // solhint-disable-next-line var-name-mixedcase\n bytes public ZRX_ASSET_DATA;\n\n // @TODO: Remove when we deploy.\n constructor (bytes memory zrxAssetData)\n public\n {\n ZRX_ASSET_DATA = zrxAssetData;\n }\n}\n// solhint-enable max-line-length\n", + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract LibEIP712 {\n // EIP191 header for EIP712 prefix\n string constant internal EIP191_HEADER = \"\\x19\\x01\";\n\n // EIP712 Domain Name value\n string constant internal EIP712_DOMAIN_NAME = \"0x Protocol\";\n\n // EIP712 Domain Version value\n string constant internal EIP712_DOMAIN_VERSION = \"2\";\n\n // Hash of the EIP712 Domain Separator Schema\n bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"EIP712Domain(\",\n \"string name,\",\n \"string version,\",\n \"address verifyingContract\",\n \")\"\n ));\n\n // Hash of the EIP712 Domain Separator data\n // solhint-disable-next-line var-name-mixedcase\n bytes32 public EIP712_DOMAIN_HASH;\n\n constructor ()\n public\n {\n EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(\n EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,\n keccak256(bytes(EIP712_DOMAIN_NAME)),\n keccak256(bytes(EIP712_DOMAIN_VERSION)),\n bytes32(address(this))\n ));\n }\n\n /// @dev Calculates EIP712 encoding for a hash struct in this EIP712 Domain.\n /// @param hashStruct The EIP712 hash struct.\n /// @return EIP712 hash applied to this EIP712 Domain.\n function hashEIP712Message(bytes32 hashStruct)\n internal\n view\n returns (bytes32 result)\n {\n bytes32 eip712DomainHash = EIP712_DOMAIN_HASH;\n\n // Assembly for more efficient computing:\n // keccak256(abi.encodePacked(\n // EIP191_HEADER,\n // EIP712_DOMAIN_HASH,\n // hashStruct \n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, 0x1901000000000000000000000000000000000000000000000000000000000000) // EIP191 header\n mstore(add(memPtr, 2), eip712DomainHash) // EIP712 domain hash\n mstore(add(memPtr, 34), hashStruct) // Hash of struct\n\n // Compute hash\n result := keccak256(memPtr, 66)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity 0.4.24;\n\n\n/// @dev This contract documents the revert reasons used in the Exchange contract.\n/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons.\ncontract LibExchangeErrors {\n\n /// Order validation errors ///\n string constant ORDER_UNFILLABLE = \"ORDER_UNFILLABLE\"; // Order cannot be filled.\n string constant INVALID_MAKER = \"INVALID_MAKER\"; // Invalid makerAddress.\n string constant INVALID_TAKER = \"INVALID_TAKER\"; // Invalid takerAddress.\n string constant INVALID_SENDER = \"INVALID_SENDER\"; // Invalid `msg.sender`.\n string constant INVALID_ORDER_SIGNATURE = \"INVALID_ORDER_SIGNATURE\"; // Signature validation failed. \n \n /// fillOrder validation errors ///\n string constant INVALID_TAKER_AMOUNT = \"INVALID_TAKER_AMOUNT\"; // takerAssetFillAmount cannot equal 0.\n string constant ROUNDING_ERROR = \"ROUNDING_ERROR\"; // Rounding error greater than 0.1% of takerAssetFillAmount. \n \n /// Signature validation errors ///\n string constant INVALID_SIGNATURE = \"INVALID_SIGNATURE\"; // Signature validation failed. \n string constant SIGNATURE_ILLEGAL = \"SIGNATURE_ILLEGAL\"; // Signature type is illegal.\n string constant SIGNATURE_UNSUPPORTED = \"SIGNATURE_UNSUPPORTED\"; // Signature type unsupported.\n \n /// cancelOrdersUptTo errors ///\n string constant INVALID_NEW_ORDER_EPOCH = \"INVALID_NEW_ORDER_EPOCH\"; // Specified salt must be greater than or equal to existing orderEpoch.\n\n /// fillOrKillOrder errors ///\n string constant COMPLETE_FILL_FAILED = \"COMPLETE_FILL_FAILED\"; // Desired takerAssetFillAmount could not be completely filled. \n\n /// matchOrders errors ///\n string constant NEGATIVE_SPREAD_REQUIRED = \"NEGATIVE_SPREAD_REQUIRED\"; // Matched orders must have a negative spread.\n\n /// Transaction errors ///\n string constant REENTRANCY_ILLEGAL = \"REENTRANCY_ILLEGAL\"; // Recursive reentrancy is not allowed. \n string constant INVALID_TX_HASH = \"INVALID_TX_HASH\"; // Transaction has already been executed. \n string constant INVALID_TX_SIGNATURE = \"INVALID_TX_SIGNATURE\"; // Signature validation failed. \n string constant FAILED_EXECUTION = \"FAILED_EXECUTION\"; // Transaction execution failed. \n \n /// registerAssetProxy errors ///\n string constant ASSET_PROXY_ALREADY_EXISTS = \"ASSET_PROXY_ALREADY_EXISTS\"; // AssetProxy with same id already exists.\n\n /// dispatchTransferFrom errors ///\n string constant ASSET_PROXY_DOES_NOT_EXIST = \"ASSET_PROXY_DOES_NOT_EXIST\"; // No assetProxy registered at given id.\n string constant TRANSFER_FAILED = \"TRANSFER_FAILED\"; // Asset transfer unsuccesful.\n\n /// Length validation errors ///\n string constant LENGTH_GREATER_THAN_0_REQUIRED = \"LENGTH_GREATER_THAN_0_REQUIRED\"; // Byte array must have a length greater than 0.\n string constant LENGTH_GREATER_THAN_3_REQUIRED = \"LENGTH_GREATER_THAN_3_REQUIRED\"; // Byte array must have a length greater than 3.\n string constant LENGTH_0_REQUIRED = \"LENGTH_0_REQUIRED\"; // Byte array must have a length of 0.\n string constant LENGTH_65_REQUIRED = \"LENGTH_65_REQUIRED\"; // Byte array must have a length of 65.\n}\n", + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibFillResults is\n SafeMath\n{\n\n struct FillResults {\n uint256 makerAssetFilledAmount; // Total amount of makerAsset(s) filled.\n uint256 takerAssetFilledAmount; // Total amount of takerAsset(s) filled.\n uint256 makerFeePaid; // Total amount of ZRX paid by maker(s) to feeRecipient(s).\n uint256 takerFeePaid; // Total amount of ZRX paid by taker to feeRecipients(s).\n }\n\n struct MatchedFillResults {\n FillResults left; // Amounts filled and fees paid of left order.\n FillResults right; // Amounts filled and fees paid of right order.\n uint256 leftMakerAssetSpreadAmount; // Spread between price of left and right order, denominated in the left order's makerAsset, paid to taker.\n }\n\n /// @dev Adds properties of both FillResults instances.\n /// Modifies the first FillResults instance specified.\n /// @param totalFillResults Fill results instance that will be added onto.\n /// @param singleFillResults Fill results instance that will be added to totalFillResults.\n function addFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)\n internal\n pure\n {\n totalFillResults.makerAssetFilledAmount = safeAdd(totalFillResults.makerAssetFilledAmount, singleFillResults.makerAssetFilledAmount);\n totalFillResults.takerAssetFilledAmount = safeAdd(totalFillResults.takerAssetFilledAmount, singleFillResults.takerAssetFilledAmount);\n totalFillResults.makerFeePaid = safeAdd(totalFillResults.makerFeePaid, singleFillResults.makerFeePaid);\n totalFillResults.takerFeePaid = safeAdd(totalFillResults.takerFeePaid, singleFillResults.takerFeePaid);\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibMath.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibMath is\n SafeMath\n{\n\n /// @dev Calculates partial value given a numerator and denominator.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target.\n function getPartialAmount(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Checks if rounding error > 0.1%.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingError(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n uint256 remainder = mulmod(target, numerator, denominator);\n if (remainder == 0) {\n return false; // No rounding error.\n }\n\n uint256 errPercentageTimes1000000 = safeDiv(\n safeMul(remainder, 1000000),\n safeMul(numerator, target)\n );\n isError = errPercentageTimes1000000 > 1000;\n return isError;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibOrder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./LibEIP712.sol\";\n\n\ncontract LibOrder is\n LibEIP712\n{\n\n // Hash for the EIP712 Order Schema\n bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"Order(\",\n \"address makerAddress,\",\n \"address takerAddress,\",\n \"address feeRecipientAddress,\",\n \"address senderAddress,\",\n \"uint256 makerAssetAmount,\",\n \"uint256 takerAssetAmount,\",\n \"uint256 makerFee,\",\n \"uint256 takerFee,\",\n \"uint256 expirationTimeSeconds,\",\n \"uint256 salt,\",\n \"bytes makerAssetData,\",\n \"bytes takerAssetData\",\n \")\"\n ));\n\n // A valid order remains fillable until it is expired, fully filled, or cancelled.\n // An order's state is unaffected by external factors, like account balances.\n enum OrderStatus {\n INVALID, // Default value\n INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount\n INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount\n FILLABLE, // Order is fillable\n EXPIRED, // Order has already expired\n FULLY_FILLED, // Order is fully filled\n CANCELLED // Order has been cancelled\n }\n\n // solhint-disable max-line-length\n struct Order {\n address makerAddress; // Address that created the order. \n address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order. \n address feeRecipientAddress; // Address that will recieve fees when order is filled. \n address senderAddress; // Address that is allowed to call Exchange contract methods that affect this order. If set to 0, any address is allowed to call these methods.\n uint256 makerAssetAmount; // Amount of makerAsset being offered by maker. Must be greater than 0. \n uint256 takerAssetAmount; // Amount of takerAsset being bid on by maker. Must be greater than 0. \n uint256 makerFee; // Amount of ZRX paid to feeRecipient by maker when order is filled. If set to 0, no transfer of ZRX from maker to feeRecipient will be attempted.\n uint256 takerFee; // Amount of ZRX paid to feeRecipient by taker when order is filled. If set to 0, no transfer of ZRX from taker to feeRecipient will be attempted.\n uint256 expirationTimeSeconds; // Timestamp in seconds at which order expires. \n uint256 salt; // Arbitrary number to facilitate uniqueness of the order's hash. \n bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.\n bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.\n }\n // solhint-enable max-line-length\n\n struct OrderInfo {\n uint8 orderStatus; // Status that describes order's validity and fillability.\n bytes32 orderHash; // EIP712 hash of the order (see LibOrder.getOrderHash).\n uint256 orderTakerAssetFilledAmount; // Amount of order that has already been filled.\n }\n\n /// @dev Calculates Keccak-256 hash of the order.\n /// @param order The order structure.\n /// @return Keccak-256 EIP712 hash of the order.\n function getOrderHash(Order memory order)\n internal\n view\n returns (bytes32 orderHash)\n {\n orderHash = hashEIP712Message(hashOrder(order));\n return orderHash;\n }\n\n /// @dev Calculates EIP712 hash of the order.\n /// @param order The order structure.\n /// @return EIP712 hash of the order.\n function hashOrder(Order memory order)\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ORDER_SCHEMA_HASH;\n bytes32 makerAssetDataHash = keccak256(order.makerAssetData);\n bytes32 takerAssetDataHash = keccak256(order.takerAssetData);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ORDER_SCHEMA_HASH,\n // bytes32(order.makerAddress),\n // bytes32(order.takerAddress),\n // bytes32(order.feeRecipientAddress),\n // bytes32(order.senderAddress),\n // order.makerAssetAmount,\n // order.takerAssetAmount,\n // order.makerFee,\n // order.takerFee,\n // order.expirationTimeSeconds,\n // order.salt,\n // keccak256(order.makerAssetData),\n // keccak256(order.takerAssetData)\n // ));\n\n assembly {\n // Calculate memory addresses that will be swapped out before hashing\n let pos1 := sub(order, 32)\n let pos2 := add(order, 320)\n let pos3 := add(order, 352)\n\n // Backup\n let temp1 := mload(pos1)\n let temp2 := mload(pos2)\n let temp3 := mload(pos3)\n \n // Hash in place\n mstore(pos1, schemaHash)\n mstore(pos2, makerAssetDataHash)\n mstore(pos3, takerAssetDataHash)\n result := keccak256(pos1, 416)\n \n // Restore\n mstore(pos1, temp1)\n mstore(pos2, temp2)\n mstore(pos3, temp3)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssetProxyDispatcher.sol\";\n\n\ncontract MAssetProxyDispatcher is\n IAssetProxyDispatcher\n{\n\n // Logs registration of new asset proxy\n event AssetProxyRegistered(\n bytes4 id, // Id of new registered AssetProxy.\n address assetProxy // Address of new registered AssetProxy.\n );\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IExchangeCore.sol\";\n\n\ncontract MExchangeCore is\n IExchangeCore\n{\n // Fill event is emitted whenever an order is filled.\n event Fill(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that received fees.\n address takerAddress, // Address that filled the order.\n address senderAddress, // Address that called the Exchange contract (msg.sender).\n uint256 makerAssetFilledAmount, // Amount of makerAsset sold by maker and bought by taker. \n uint256 takerAssetFilledAmount, // Amount of takerAsset sold by taker and bought by maker.\n uint256 makerFeePaid, // Amount of ZRX paid to feeRecipient by maker.\n uint256 takerFeePaid, // Amount of ZRX paid to feeRecipient by taker.\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // Cancel event is emitted whenever an individual order is cancelled.\n event Cancel(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that would have recieved fees if order was filled. \n address senderAddress, // Address that called the Exchange contract (msg.sender).\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // CancelUpTo event is emitted whenever `cancelOrdersUpTo` is executed succesfully.\n event CancelUpTo(\n address indexed makerAddress, // Orders cancelled must have been created by this address.\n address indexed senderAddress, // Orders cancelled must have a `senderAddress` equal to this address.\n uint256 orderEpoch // Orders with specified makerAddress and senderAddress with a salt less than this value are considered cancelled.\n );\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function updateFilledState(\n LibOrder.Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n LibFillResults.FillResults memory fillResults\n )\n internal;\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n LibOrder.Order memory order,\n bytes32 orderHash\n )\n internal;\n\n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo Status, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param signature Proof that the orders was created by its maker.\n function assertValidFill(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n address takerAddress,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n bytes memory signature\n )\n internal\n view;\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo\n )\n internal\n view;\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n LibOrder.Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.FillResults memory fillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IMatchOrders.sol\";\n\n\ncontract MMatchOrders is\n IMatchOrders\n{\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure;\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/ISignatureValidator.sol\";\n\n\ncontract MSignatureValidator is\n ISignatureValidator\n{\n event SignatureValidatorApproval(\n address indexed signerAddress, // Address that approves or disapproves a contract to verify signatures.\n address indexed validatorAddress, // Address of signature validator contract.\n bool approved // Approval or disapproval of validator contract.\n );\n\n // Allowed signature types.\n enum SignatureType {\n Illegal, // 0x00, default value\n Invalid, // 0x01\n EIP712, // 0x02\n EthSign, // 0x03\n Caller, // 0x04\n Wallet, // 0x05\n Validator, // 0x06\n PreSigned, // 0x07\n Trezor, // 0x08\n NSignatureTypes // 0x09, number of signature types. Always leave at end.\n }\n}\n", + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"../interfaces/ITransactions.sol\";\n\n\ncontract MTransactions is\n ITransactions\n{\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address);\n}\n", + "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/MintableERC20Token.sol\";\n\n\ncontract DummyERC20Token is \n Ownable,\n MintableERC20Token\n{\n string public name;\n string public symbol;\n uint256 public decimals;\n uint256 public constant MAX_MINT_AMOUNT = 10000000000000000000000;\n\n constructor (\n string _name,\n string _symbol,\n uint256 _decimals,\n uint256 _totalSupply\n )\n public\n {\n name = _name;\n symbol = _symbol;\n decimals = _decimals;\n _totalSupply = _totalSupply;\n balances[msg.sender] = _totalSupply;\n }\n\n /// @dev Sets the balance of target address\n /// @param _target Address or which balance will be updated\n /// @param _value New balance of target address\n function setBalance(address _target, uint256 _value)\n external\n onlyOwner\n {\n uint256 currBalance = balances[_target];\n if (_value < currBalance) {\n _totalSupply = safeSub(_totalSupply, safeSub(currBalance, _value));\n } else {\n _totalSupply = safeAdd(_totalSupply, safeSub(_value, currBalance));\n }\n balances[_target] = _value;\n }\n\n /// @dev Mints new tokens for sender\n /// @param _value Amount of tokens to mint\n function mint(uint256 _value)\n external\n {\n require(\n _value <= MAX_MINT_AMOUNT,\n \"VALUE_TOO_LARGE\"\n );\n\n _mint(msg.sender, _value);\n }\n}\n", + "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../tokens/ERC721Token/MintableERC721Token.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract DummyERC721Token is\n Ownable,\n MintableERC721Token\n{\n string public name;\n string public symbol;\n\n constructor (\n string _name,\n string _symbol\n )\n public\n {\n name = _name;\n symbol = _symbol;\n }\n\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function mint(address _to, uint256 _tokenId)\n external\n {\n _mint(_to, _tokenId);\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist or not called by contract owner\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function burn(address _owner, uint256 _tokenId)\n external\n onlyOwner\n {\n _burn(_owner, _tokenId);\n }\n}\n", + "2.0.0/tokens/ERC20Token/ERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC20Token.sol\";\n\n\ncontract ERC20Token is\n IERC20Token\n{\n\n mapping (address => uint256) internal balances;\n mapping (address => mapping (address => uint256)) internal allowed;\n\n uint256 internal _totalSupply;\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool)\n {\n require(\n balances[msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[msg.sender] -= _value;\n balances[_to] += _value;\n\n emit Transfer(\n msg.sender,\n _to,\n _value\n );\n\n return true;\n }\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowed[_from][msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n allowed[_from][msg.sender] -= _value;\n \n emit Transfer(\n _from,\n _to,\n _value\n );\n \n return true;\n }\n\n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool)\n {\n allowed[msg.sender][_spender] = _value;\n emit Approval(\n msg.sender,\n _spender,\n _value\n );\n return true;\n }\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256)\n {\n return _totalSupply;\n }\n\n /// @dev Query the balance of owner\n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n return balances[_owner];\n }\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256)\n {\n return allowed[_owner][_spender];\n }\n}\n", + "2.0.0/tokens/ERC20Token/IERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n \n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n \n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", + "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/SafeMath/SafeMath.sol\";\nimport \"./UnlimitedAllowanceERC20Token.sol\";\n\n\ncontract MintableERC20Token is \n SafeMath,\n UnlimitedAllowanceERC20Token\n{\n\n /// @dev Mints new tokens\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _value Amount of tokens to mint\n function _mint(address _to, uint256 _value)\n internal\n {\n balances[_to] = safeAdd(_value, balances[_to]);\n _totalSupply = safeAdd(_totalSupply, _value);\n\n emit Transfer(\n address(0),\n _to,\n _value\n );\n }\n\n /// @dev Mints new tokens\n /// @param _owner Owner of tokens that will be burned\n /// @param _value Amount of tokens to burn\n function _burn(address _owner, uint256 _value)\n internal\n {\n balances[_owner] = safeSub(balances[_owner], _value);\n _totalSupply = safeSub(_totalSupply, _value);\n\n emit Transfer(\n _owner,\n address(0),\n _value\n );\n }\n}\n", + "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/ERC20Token.sol\";\n\n\ncontract UnlimitedAllowanceERC20Token is\n ERC20Token\n{\n\n uint256 constant internal MAX_UINT = 2**256 - 1;\n\n /// @dev ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited allowance. See https://github.com/ethereum/EIPs/issues/717\n /// @param _from Address to transfer from.\n /// @param _to Address to transfer to.\n /// @param _value Amount to transfer.\n /// @return Success of transfer.\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n uint256 allowance = allowed[_from][msg.sender];\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowance >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n if (allowance < MAX_UINT) {\n allowed[_from][msg.sender] -= _value;\n }\n\n emit Transfer(\n _from,\n _to,\n _value\n );\n\n return true;\n }\n}\n", + "2.0.0/tokens/ERC721Token/ERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC721Token.sol\";\nimport \"./IERC721Receiver.sol\";\nimport \"../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract ERC721Token is\n IERC721Token,\n SafeMath\n{\n // Function selector for ERC721Receiver.onERC721Received\n // 0x150b7a02\n bytes4 constant internal ERC721_RECEIVED = bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"));\n\n // Mapping of tokenId => owner\n mapping (uint256 => address) internal owners;\n\n // Mapping of tokenId => approved address\n mapping (uint256 => address) internal approvals;\n\n // Mapping of owner => number of tokens owned\n mapping (address => uint256) internal balances;\n\n // Mapping of owner => operator => approved\n mapping (address => mapping (address => bool)) internal operatorApprovals;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n _data\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n \"\"\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external\n {\n address owner = ownerOf(_tokenId);\n require(\n msg.sender == owner || isApprovedForAll(owner, msg.sender),\n \"ERC721_INVALID_SENDER\"\n );\n\n approvals[_tokenId] = _approved;\n emit Approval(\n owner,\n _approved,\n _tokenId\n );\n }\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external\n {\n operatorApprovals[msg.sender][_operator] = _approved;\n emit ApprovalForAll(\n msg.sender,\n _operator,\n _approved\n );\n }\n \n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return balances[_owner];\n }\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = ownerOf(_tokenId);\n require(\n _from == owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n address spender = msg.sender;\n address approvedAddress = getApproved(_tokenId);\n require(\n spender == owner ||\n isApprovedForAll(owner, spender) ||\n approvedAddress == spender,\n \"ERC721_INVALID_SPENDER\"\n );\n\n if (approvedAddress != address(0)) {\n approvals[_tokenId] = address(0);\n }\n\n owners[_tokenId] = _to;\n balances[_from] = safeSub(balances[_from], 1);\n balances[_to] = safeAdd(balances[_to], 1);\n \n emit Transfer(\n _from,\n _to,\n _tokenId\n );\n }\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address)\n {\n address owner = owners[_tokenId];\n require(\n owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return owner;\n }\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId)\n public\n view\n returns (address)\n {\n return approvals[_tokenId];\n }\n\n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool)\n {\n return operatorApprovals[_owner][_operator];\n }\n}\n", + "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Receiver {\n\n /// @notice Handle the receipt of an NFT\n /// @dev The ERC721 smart contract calls this function on the recipient\n /// after a `transfer`. This function MAY throw to revert and reject the\n /// transfer. Return of other than the magic value MUST result in the\n /// transaction being reverted.\n /// Note: the contract address is always the message sender.\n /// @param _operator The address which called `safeTransferFrom` function\n /// @param _from The address which previously owned the token\n /// @param _tokenId The NFT identifier which is being transferred\n /// @param _data Additional data with no specified format\n /// @return `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`\n /// unless throwing\n function onERC721Received(\n address _operator,\n address _from,\n uint256 _tokenId,\n bytes _data\n )\n external\n returns (bytes4);\n}\n", + "2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Token {\n\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(\n address indexed _owner,\n address indexed _approved,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(\n address indexed _owner,\n address indexed _operator,\n bool _approved\n );\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// perator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external;\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public;\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address);\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) \n public\n view\n returns (address);\n \n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool);\n}\n", + "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./ERC721Token.sol\";\n\n\ncontract MintableERC721Token is\n ERC721Token\n{\n\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function _mint(address _to, uint256 _tokenId)\n internal\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == address(0),\n \"ERC721_OWNER_ALREADY_EXISTS\"\n );\n\n owners[_tokenId] = _to;\n balances[_to] = safeAdd(balances[_to], 1);\n\n emit Transfer(\n address(0),\n _to,\n _tokenId\n );\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function _burn(address _owner, uint256 _tokenId)\n internal\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == _owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n owners[_tokenId] = address(0);\n balances[_owner] = safeSub(balances[_owner], 1);\n\n emit Transfer(\n _owner,\n address(0),\n _tokenId\n );\n }\n}\n", + "2.0.0/tokens/EtherToken/IEtherToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/IERC20Token.sol\";\n\n\ncontract IEtherToken is\n IERC20Token\n{\n function deposit()\n public\n payable;\n \n function withdraw(uint256 amount)\n public;\n}\n", + "2.0.0/utils/LibBytes/LibBytes.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\nlibrary LibBytes {\n\n using LibBytes for bytes;\n\n /// @dev Gets the memory address for a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of byte array. This\n /// points to the header of the byte array which contains\n /// the length.\n function rawAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := input\n }\n return memoryAddress;\n }\n \n /// @dev Gets the memory address for the contents of a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of the contents of the byte array.\n function contentAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := add(input, 32)\n }\n return memoryAddress;\n }\n\n /// @dev Copies `length` bytes from memory location `source` to `dest`.\n /// @param dest memory address to copy bytes to.\n /// @param source memory address to copy bytes from.\n /// @param length number of bytes to copy.\n function memCopy(\n uint256 dest,\n uint256 source,\n uint256 length\n )\n internal\n pure\n {\n if (length < 32) {\n // Handle a partial word by reading destination and masking\n // off the bits we are interested in.\n // This correctly handles overlap, zero lengths and source == dest\n assembly {\n let mask := sub(exp(256, sub(32, length)), 1)\n let s := and(mload(source), not(mask))\n let d := and(mload(dest), mask)\n mstore(dest, or(s, d))\n }\n } else {\n // Skip the O(length) loop when source == dest.\n if (source == dest) {\n return;\n }\n\n // For large copies we copy whole words at a time. The final\n // word is aligned to the end of the range (instead of after the\n // previous) to handle partial words. So a copy will look like this:\n //\n // ####\n // ####\n // ####\n // ####\n //\n // We handle overlap in the source and destination range by\n // changing the copying direction. This prevents us from\n // overwriting parts of source that we still need to copy.\n //\n // This correctly handles source == dest\n //\n if (source > dest) {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because it\n // is easier to compare with in the loop, and these\n // are also the addresses we need for copying the\n // last bytes.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the last 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the last bytes in\n // source already due to overlap.\n let last := mload(sEnd)\n\n // Copy whole words front to back\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} lt(source, sEnd) {} {\n mstore(dest, mload(source))\n source := add(source, 32)\n dest := add(dest, 32)\n }\n \n // Write the last 32 bytes\n mstore(dEnd, last)\n }\n } else {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because those\n // are the starting points when copying a word at the end.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the first 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the first bytes in\n // source already due to overlap.\n let first := mload(source)\n\n // Copy whole words back to front\n // We use a signed comparisson here to allow dEnd to become\n // negative (happens when source and dest < 32). Valid\n // addresses in local memory will never be larger than\n // 2**255, so they can be safely re-interpreted as signed.\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} slt(dest, dEnd) {} {\n mstore(dEnd, mload(sEnd))\n sEnd := sub(sEnd, 32)\n dEnd := sub(dEnd, 32)\n }\n \n // Write the first 32 bytes\n mstore(dest, first)\n }\n }\n }\n }\n\n /// @dev Returns a slices from a byte array.\n /// @param b The byte array to take a slice from.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n function slice(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure and copy contents\n result = new bytes(to - from);\n memCopy(\n result.contentAddress(),\n b.contentAddress() + from,\n result.length);\n return result;\n }\n \n /// @dev Returns a slice from a byte array without preserving the input.\n /// @param b The byte array to take a slice from. Will be destroyed in the process.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n /// @dev When `from == 0`, the original array will match the slice. In other cases its state will be corrupted.\n function sliceDestructive(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure around [from, to) in-place.\n assembly {\n result := add(b, from)\n mstore(result, sub(to, from))\n }\n return result;\n }\n\n /// @dev Pops the last byte off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The byte that was popped off.\n function popLastByte(bytes memory b)\n internal\n pure\n returns (bytes1 result)\n {\n require(\n b.length > 0,\n \"GREATER_THAN_ZERO_LENGTH_REQUIRED\"\n );\n\n // Store last byte.\n result = b[b.length - 1];\n\n assembly {\n // Decrement length of byte array.\n let newLen := sub(mload(b), 1)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Pops the last 20 bytes off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The 20 byte address that was popped off.\n function popLast20Bytes(bytes memory b)\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= 20,\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Store last 20 bytes.\n result = readAddress(b, b.length - 20);\n\n assembly {\n // Subtract 20 from byte array length.\n let newLen := sub(mload(b), 20)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Tests equality of two byte arrays.\n /// @param lhs First byte array to compare.\n /// @param rhs Second byte array to compare.\n /// @return True if arrays are the same. False otherwise.\n function equals(\n bytes memory lhs,\n bytes memory rhs\n )\n internal\n pure\n returns (bool equal)\n {\n // Keccak gas cost is 30 + numWords * 6. This is a cheap way to compare.\n // We early exit on unequal lengths, but keccak would also correctly\n // handle this.\n return lhs.length == rhs.length && keccak256(lhs) == keccak256(rhs);\n }\n\n /// @dev Reads an address from a position in a byte array.\n /// @param b Byte array containing an address.\n /// @param index Index in byte array of address.\n /// @return address from byte array.\n function readAddress(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Read address from array memory\n assembly {\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 20-byte mask to obtain address\n result := and(mload(add(b, index)), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n return result;\n }\n\n /// @dev Writes an address into a specific position in a byte array.\n /// @param b Byte array to insert address into.\n /// @param index Index in byte array of address.\n /// @param input Address to put into byte array.\n function writeAddress(\n bytes memory b,\n uint256 index,\n address input\n )\n internal\n pure\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Store address into array memory\n assembly {\n // The address occupies 20 bytes and mstore stores 32 bytes.\n // First fetch the 32-byte word where we'll be storing the address, then\n // apply a mask so we have only the bytes in the word that the address will not occupy.\n // Then combine these bytes with the address and store the 32 bytes back to memory with mstore.\n\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 12-byte mask to obtain extra bytes occupying word of memory where we'll store the address\n let neighbors := and(\n mload(add(b, index)),\n 0xffffffffffffffffffffffff0000000000000000000000000000000000000000\n )\n \n // Make sure input address is clean.\n // (Solidity does not guarantee this)\n input := and(input, 0xffffffffffffffffffffffffffffffffffffffff)\n\n // Store the neighbors and address into memory\n mstore(add(b, index), xor(input, neighbors))\n }\n }\n\n /// @dev Reads a bytes32 value from a position in a byte array.\n /// @param b Byte array containing a bytes32 value.\n /// @param index Index in byte array of bytes32 value.\n /// @return bytes32 value from byte array.\n function readBytes32(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes32 result)\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n result := mload(add(b, index))\n }\n return result;\n }\n\n /// @dev Writes a bytes32 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes32 to put into byte array.\n function writeBytes32(\n bytes memory b,\n uint256 index,\n bytes32 input\n )\n internal\n pure\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n mstore(add(b, index), input)\n }\n }\n\n /// @dev Reads a uint256 value from a position in a byte array.\n /// @param b Byte array containing a uint256 value.\n /// @param index Index in byte array of uint256 value.\n /// @return uint256 value from byte array.\n function readUint256(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (uint256 result)\n {\n return uint256(readBytes32(b, index));\n }\n\n /// @dev Writes a uint256 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input uint256 to put into byte array.\n function writeUint256(\n bytes memory b,\n uint256 index,\n uint256 input\n )\n internal\n pure\n {\n writeBytes32(b, index, bytes32(input));\n }\n\n /// @dev Reads an unpadded bytes4 value from a position in a byte array.\n /// @param b Byte array containing a bytes4 value.\n /// @param index Index in byte array of bytes4 value.\n /// @return bytes4 value from byte array.\n function readBytes4(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes4 result)\n {\n require(\n b.length >= index + 4,\n \"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED\"\n );\n assembly {\n result := mload(add(b, 32))\n // Solidity does not require us to clean the trailing bytes.\n // We do it anyway\n result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)\n }\n return result;\n }\n\n /// @dev Reads nested bytes from a specific position.\n /// @dev NOTE: the returned value overlaps with the input value.\n /// Both should be treated as immutable.\n /// @param b Byte array containing nested bytes.\n /// @param index Index of nested bytes.\n /// @return result Nested bytes.\n function readBytesWithLength(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes memory result)\n {\n // Read length of nested bytes\n uint256 nestedBytesLength = readUint256(b, index);\n index += 32;\n\n // Assert length of is valid, given\n // length of nested bytes\n require(\n b.length >= index + nestedBytesLength,\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n \n // Return a pointer to the byte array as it exists inside `b`\n assembly {\n result := add(b, index)\n }\n return result;\n }\n\n /// @dev Inserts bytes at a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes to insert.\n function writeBytesWithLength(\n bytes memory b,\n uint256 index,\n bytes memory input\n )\n internal\n pure\n {\n // Assert length of is valid, given\n // length of input\n require(\n b.length >= index + 32 + input.length, // 32 bytes to store length\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n\n // Copy into \n memCopy(\n b.contentAddress() + index,\n input.rawAddress(), // includes length of \n input.length + 32 // +32 bytes to store length\n );\n }\n\n /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length.\n /// @param dest Byte array that will be overwritten with source bytes.\n /// @param source Byte array to copy onto dest bytes.\n function deepCopyBytes(\n bytes memory dest,\n bytes memory source\n )\n internal\n pure\n {\n uint256 sourceLen = source.length;\n // Dest length must be >= source length, or some bytes would not be copied.\n require(\n dest.length >= sourceLen,\n \"GREATER_OR_EQUAL_TO_SOURCE_BYTES_LENGTH_REQUIRED\"\n );\n memCopy(\n dest.contentAddress(),\n source.contentAddress(),\n sourceLen\n );\n }\n}\n", + "2.0.0/utils/Ownable/IOwnable.sol": "pragma solidity 0.4.24;\n\n/*\n * Ownable\n *\n * Base contract with an owner.\n * Provides onlyOwner modifier, which prevents function from running if it is called by anyone other than the owner.\n */\n\ncontract IOwnable {\n function transferOwnership(address newOwner)\n public;\n}\n", + "2.0.0/utils/Ownable/Ownable.sol": "pragma solidity 0.4.24;\n\n/*\n * Ownable\n *\n * Base contract with an owner.\n * Provides onlyOwner modifier, which prevents function from running if it is called by anyone other than the owner.\n */\n\nimport \"./IOwnable.sol\";\n\n\ncontract Ownable is IOwnable {\n address public owner;\n\n constructor ()\n public\n {\n owner = msg.sender;\n }\n\n modifier onlyOwner() {\n require(\n msg.sender == owner,\n \"ONLY_CONTRACT_OWNER\"\n );\n _;\n }\n\n function transferOwnership(address newOwner)\n public\n onlyOwner\n {\n if (newOwner != address(0)) {\n owner = newOwner;\n }\n }\n}\n", + "2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n function safeMul(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(\n c / a == b,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function safeDiv(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a / b;\n return c;\n }\n\n function safeSub(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n require(\n b <= a,\n \"UINT256_UNDERFLOW\"\n );\n return a - b;\n }\n\n function safeAdd(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a + b;\n require(\n c >= a,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function max64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n\n function max256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n}\n" + }, + "sourceTreeHashHex": "0x560b257f8a4e1420a4586d5ba0c40e74042ef5af0f53aad412951444ea710a7e", + "compiler": { + "name": "solc", + "version": "soljson-v0.4.24+commit.e67f0147.js", + "settings": { + "optimizer": { + "enabled": true, + "runs": 1000000 + }, + "outputSelection": { + "*": { + "*": [ + "abi", + "evm.bytecode.object", + "evm.bytecode.sourceMap", + "evm.deployedBytecode.object", + "evm.deployedBytecode.sourceMap" + ] + } + } + } + }, + "networks": {} +} \ No newline at end of file diff --git a/packages/migrations/artifacts/2.0.0/IWallet.json b/packages/migrations/artifacts/2.0.0/IWallet.json new file mode 100644 index 000000000..df892d360 --- /dev/null +++ b/packages/migrations/artifacts/2.0.0/IWallet.json @@ -0,0 +1,316 @@ +{ + "schemaVersion": "2.0.0", + "contractName": "IWallet", + "compilerOutput": { + "abi": [ + { + "constant": true, + "inputs": [ + { + "name": "hash", + "type": "bytes32" + }, + { + "name": "signature", + "type": "bytes" + } + ], + "name": "isValidSignature", + "outputs": [ + { + "name": "isValid", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + } + ], + "evm": { + "bytecode": { + "linkReferences": {}, + "object": "0x", + "opcodes": "", + "sourceMap": "" + }, + "deployedBytecode": { + "linkReferences": {}, + "object": "0x", + "opcodes": "", + "sourceMap": "" + } + } + }, + "sources": { + "2.0.0/extensions/Forwarder/Forwarder.sol": { + "id": 0 + }, + "2.0.0/extensions/Forwarder/MixinAssets.sol": { + "id": 1 + }, + "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": { + "id": 2 + }, + "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": { + "id": 3 + }, + "2.0.0/extensions/Forwarder/MixinWeth.sol": { + "id": 4 + }, + "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": { + "id": 5 + }, + "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": { + "id": 6 + }, + "2.0.0/extensions/Forwarder/libs/LibConstants.sol": { + "id": 7 + }, + "2.0.0/extensions/Forwarder/mixins/MAssets.sol": { + "id": 8 + }, + "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": { + "id": 9 + }, + "2.0.0/extensions/Forwarder/mixins/MWeth.sol": { + "id": 10 + }, + "2.0.0/extensions/OrderValidator/OrderValidator.sol": { + "id": 11 + }, + "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": { + "id": 12 + }, + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": { + "id": 13 + }, + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": { + "id": 14 + }, + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": { + "id": 15 + }, + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": { + "id": 16 + }, + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": { + "id": 17 + }, + "2.0.0/protocol/Exchange/Exchange.sol": { + "id": 18 + }, + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": { + "id": 19 + }, + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": { + "id": 20 + }, + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": { + "id": 21 + }, + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": { + "id": 22 + }, + "2.0.0/protocol/Exchange/MixinTransactions.sol": { + "id": 23 + }, + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": { + "id": 24 + }, + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": { + "id": 25 + }, + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": { + "id": 26 + }, + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": { + "id": 27 + }, + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": { + "id": 28 + }, + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": { + "id": 29 + }, + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": { + "id": 30 + }, + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": { + "id": 31 + }, + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": { + "id": 32 + }, + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": { + "id": 33 + }, + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": { + "id": 34 + }, + "2.0.0/protocol/Exchange/libs/LibConstants.sol": { + "id": 35 + }, + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": { + "id": 36 + }, + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": { + "id": 37 + }, + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": { + "id": 38 + }, + "2.0.0/protocol/Exchange/libs/LibMath.sol": { + "id": 39 + }, + "2.0.0/protocol/Exchange/libs/LibOrder.sol": { + "id": 40 + }, + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": { + "id": 41 + }, + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": { + "id": 42 + }, + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": { + "id": 43 + }, + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": { + "id": 44 + }, + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": { + "id": 45 + }, + "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": { + "id": 46 + }, + "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": { + "id": 47 + }, + "2.0.0/tokens/ERC20Token/ERC20Token.sol": { + "id": 48 + }, + "2.0.0/tokens/ERC20Token/IERC20Token.sol": { + "id": 49 + }, + "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": { + "id": 50 + }, + "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": { + "id": 51 + }, + "2.0.0/tokens/ERC721Token/ERC721Token.sol": { + "id": 52 + }, + "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": { + "id": 53 + }, + "2.0.0/tokens/ERC721Token/IERC721Token.sol": { + "id": 54 + }, + "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": { + "id": 55 + }, + "2.0.0/tokens/EtherToken/IEtherToken.sol": { + "id": 56 + }, + "2.0.0/utils/LibBytes/LibBytes.sol": { + "id": 57 + }, + "2.0.0/utils/Ownable/IOwnable.sol": { + "id": 58 + }, + "2.0.0/utils/Ownable/Ownable.sol": { + "id": 59 + }, + "2.0.0/utils/SafeMath/SafeMath.sol": { + "id": 60 + } + }, + "sourceCodes": { + "2.0.0/extensions/Forwarder/Forwarder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinWeth.sol\";\nimport \"./MixinForwarderCore.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinAssets.sol\";\nimport \"./MixinExchangeWrapper.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Forwarder is\n LibConstants,\n MixinWeth,\n MixinAssets,\n MixinExchangeWrapper,\n MixinForwarderCore\n{\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n LibConstants(\n _exchange,\n _zrxAssetData,\n _wethAssetData\n )\n MixinForwarderCore()\n {}\n}\n", + "2.0.0/extensions/Forwarder/MixinAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MAssets.sol\";\n\n\ncontract MixinAssets is\n Ownable,\n LibConstants,\n MAssets\n{\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256(\"transfer(address,uint256)\"));\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external\n onlyOwner\n {\n transferAssetToSender(assetData, amount);\n }\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n bytes4 proxyId = assetData.readBytes4(0);\n\n if (proxyId == ERC20_DATA_ID) {\n transferERC20Token(assetData, amount);\n } else if (proxyId == ERC721_DATA_ID) {\n transferERC721Token(assetData, amount);\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n }\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n address token = assetData.readAddress(16);\n\n // Transfer tokens.\n // We do a raw call so we can check the success separate\n // from the return data.\n bool success = token.call(abi.encodeWithSelector(\n ERC20_TRANSFER_SELECTOR,\n msg.sender,\n amount\n ));\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n \n // Check return data.\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // value that evaluates to true.\n assembly {\n if returndatasize {\n success := 0\n if eq(returndatasize, 32) {\n // First 64 bytes of memory are reserved scratch space\n returndatacopy(0, 0, 32)\n success := mload(0)\n }\n }\n }\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n }\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n require(\n amount == 1,\n \"INVALID_AMOUNT\"\n );\n // Decode asset data.\n address token = assetData.readAddress(16);\n uint256 tokenId = assetData.readUint256(36);\n\n // Perform transfer.\n IERC721Token(token).transferFrom(\n address(this),\n msg.sender,\n tokenId\n );\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"../../protocol/Exchange/libs/LibAbiEncoder.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinExchangeWrapper is\n LibAbiEncoder,\n LibFillResults,\n LibMath,\n LibConstants,\n MExchangeWrapper\n{\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n address exchange = address(EXCHANGE);\n\n // Call `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := call(\n gas, // forward all gas, TODO: look into gas consumption of assert/throw\n exchange, // call address of Exchange contract\n 0, // transfer 0 wei\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n switch success\n case 0 {\n mstore(fillResults, 0)\n mstore(add(fillResults, 32), 0)\n mstore(add(fillResults, 64), 0)\n mstore(add(fillResults, 96), 0)\n }\n case 1 {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of WETH to sell\n uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of WETH\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmount(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount;\n if (makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n\n require(\n makerAssetFilledAmount >= makerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n // Do nothing if zrxBuyAmount == 0\n if (zrxBuyAmount == 0) {\n return totalFillResults;\n }\n\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n uint256 zrxPurchased = 0;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // All of these are ZRX/WETH, so we can drop the respective assetData from calldata.\n orders[i].makerAssetData = zrxAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of ZRX to buy.\n uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased);\n\n // Convert the remaining amount of ZRX to buy into remaining amount\n // of WETH to sell, assuming entire amount can be sold in the current order.\n uint256 remainingWethSellAmount = getPartialAmount(\n orders[i].takerAssetAmount,\n safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees \n remainingZrxBuyAmount\n );\n\n // Attempt to sell the remaining amount of WETH.\n FillResults memory singleFillResult = fillOrderNoThrow(\n orders[i],\n safeAdd(remainingWethSellAmount, 1), // we add 1 wei to the fill amount to make up for rounding errors\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker.\n addFillResults(totalFillResults, singleFillResult);\n zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid);\n\n // Stop execution if the entire amount of ZRX has been bought.\n if (zrxPurchased >= zrxBuyAmount) {\n break;\n }\n }\n\n require(\n zrxPurchased >= zrxBuyAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\nimport \"./mixins/MAssets.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"./interfaces/IForwarderCore.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinForwarderCore is\n LibFillResults,\n LibMath,\n LibConstants,\n MWeth,\n MAssets,\n MExchangeWrapper,\n IForwarderCore\n{\n\n using LibBytes for bytes;\n\n /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf.\n constructor ()\n public\n {\n address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID);\n if (proxyAddress != address(0)) {\n ETHER_TOKEN.approve(proxyAddress, MAX_UINT);\n ZRX_TOKEN.approve(proxyAddress, MAX_UINT);\n }\n }\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 wethSellAmount;\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // Calculate amount of WETH that won't be spent on ETH fees.\n wethSellAmount = getPartialAmount(\n PERCENTAGE_DENOMINATOR,\n safeAdd(PERCENTAGE_DENOMINATOR, feePercentage),\n msg.value\n );\n // Market sell available WETH.\n // ZRX fees are paid with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // 5% of WETH is reserved for filling feeOrders and paying feeRecipient.\n wethSellAmount = getPartialAmount(\n MAX_WETH_FILL_PERCENTAGE,\n PERCENTAGE_DENOMINATOR,\n msg.value\n );\n // Market sell 95% of WETH.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // If the makerAsset is ZRX, it is not necessary to pay fees out of this\n // contracts's ZRX balance because fees are factored into the price of the order.\n orderFillResults = marketBuyExactZrxWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // Attemp to purchase desired amount of makerAsset.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketBuyExactAmountWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\n\n\ncontract MixinWeth is\n LibMath,\n LibConstants,\n MWeth\n{\n\n /// @dev Default payabale function, this allows us to withdraw WETH\n function ()\n public\n payable\n {\n require(\n msg.sender == address(ETHER_TOKEN),\n \"DEFAULT_FUNCTION_WETH_CONTRACT_ONLY\"\n );\n }\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal\n {\n require(\n msg.value > 0,\n \"INVALID_MSG_VALUE\"\n );\n ETHER_TOKEN.deposit.value(msg.value)();\n }\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal\n {\n // Ensure feePercentage is less than 5%.\n require(\n feePercentage <= MAX_FEE_PERCENTAGE,\n \"FEE_PERCENTAGE_TOO_LARGE\"\n );\n\n // Ensure that no extra WETH owned by this contract has been sold.\n uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx);\n require(\n wethSold <= msg.value,\n \"OVERSOLD_WETH\"\n );\n\n // Calculate amount of WETH that hasn't been sold.\n uint256 wethRemaining = safeSub(msg.value, wethSold);\n\n // Calculate ETH fee to pay to feeRecipient.\n uint256 ethFee = getPartialAmount(\n feePercentage,\n PERCENTAGE_DENOMINATOR,\n wethSoldExcludingFeeOrders\n );\n\n // Ensure fee is less than amount of WETH remaining.\n require(\n ethFee <= wethRemaining,\n \"INSUFFICIENT_ETH_REMAINING\"\n );\n \n // Do nothing if no WETH remaining\n if (wethRemaining > 0) {\n // Convert remaining WETH to ETH\n ETHER_TOKEN.withdraw(wethRemaining);\n\n // Pay ETH to feeRecipient\n if (ethFee > 0) {\n feeRecipient.transfer(ethFee);\n }\n\n // Refund remaining ETH to msg.sender.\n uint256 ethRefund = safeSub(wethRemaining, ethFee);\n if (ethRefund > 0) {\n msg.sender.transfer(ethRefund);\n }\n }\n }\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssets {\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external;\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract IForwarderCore {\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n}\n", + "2.0.0/extensions/Forwarder/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/LibBytes/LibBytes.sol\";\nimport \"../../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../../tokens/EtherToken/IEtherToken.sol\";\nimport \"../../../tokens/ERC20Token/IERC20Token.sol\";\n\n\ncontract LibConstants {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n uint256 constant internal MAX_UINT = 2**256 - 1;\n uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; \n uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5%\n uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95%\n \n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n IEtherToken internal ETHER_TOKEN;\n IERC20Token internal ZRX_TOKEN;\n bytes internal ZRX_ASSET_DATA;\n bytes internal WETH_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n WETH_ASSET_DATA = _wethAssetData;\n\n address etherToken = _wethAssetData.readAddress(16);\n address zrxToken = _zrxAssetData.readAddress(16);\n ETHER_TOKEN = IEtherToken(etherToken);\n ZRX_TOKEN = IERC20Token(zrxToken);\n }\n}\n", + "2.0.0/extensions/Forwarder/mixins/MAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssets.sol\";\n\n\ncontract MAssets is\n IAssets\n{\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract MExchangeWrapper {\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n}\n", + "2.0.0/extensions/Forwarder/mixins/MWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract MWeth {\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal;\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal;\n}\n", + "2.0.0/extensions/OrderValidator/OrderValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract OrderValidator {\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n using LibBytes for bytes;\n\n struct TraderInfo {\n uint256 makerBalance; // Maker's balance of makerAsset\n uint256 makerAllowance; // Maker's allowance to corresponding AssetProxy\n uint256 takerBalance; // Taker's balance of takerAsset\n uint256 takerAllowance; // Taker's allowance to corresponding AssetProxy\n uint256 makerZrxBalance; // Maker's balance of ZRX\n uint256 makerZrxAllowance; // Maker's allowance of ZRX to ERC20Proxy\n uint256 takerZrxBalance; // Taker's balance of ZRX\n uint256 takerZrxAllowance; // Taker's allowance of ZRX to ERC20Proxy\n }\n\n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n bytes internal ZRX_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (address _exchange, bytes memory _zrxAssetData)\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n }\n\n /// @dev Fetches information for order and maker/taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return OrderInfo and TraderInfo instances for given order.\n function getOrderAndTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo, TraderInfo memory traderInfo)\n {\n orderInfo = EXCHANGE.getOrderInfo(order);\n traderInfo = getTraderInfo(order, takerAddress);\n return (orderInfo, traderInfo);\n }\n\n /// @dev Fetches information for all passed in orders and the makers/takers of each order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Arrays of OrderInfo and TraderInfo instances that correspond to each order.\n function getOrdersAndTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (LibOrder.OrderInfo[] memory ordersInfo, TraderInfo[] memory tradersInfo)\n {\n ordersInfo = EXCHANGE.getOrdersInfo(orders);\n tradersInfo = getTradersInfo(orders, takerAddresses);\n return (ordersInfo, tradersInfo);\n }\n\n /// @dev Fetches balance and allowances for maker and taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return Balances and allowances of maker and taker of order.\n function getTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (TraderInfo memory traderInfo)\n {\n (traderInfo.makerBalance, traderInfo.makerAllowance) = getBalanceAndAllowance(order.makerAddress, order.makerAssetData);\n (traderInfo.takerBalance, traderInfo.takerAllowance) = getBalanceAndAllowance(takerAddress, order.takerAssetData);\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n (traderInfo.makerZrxBalance, traderInfo.makerZrxAllowance) = getBalanceAndAllowance(order.makerAddress, zrxAssetData);\n (traderInfo.takerZrxBalance, traderInfo.takerZrxAllowance) = getBalanceAndAllowance(takerAddress, zrxAssetData);\n return traderInfo;\n }\n\n /// @dev Fetches balances and allowances of maker and taker for each provided order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Array of balances and allowances for maker and taker of each order.\n function getTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (TraderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n TraderInfo[] memory tradersInfo = new TraderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n tradersInfo[i] = getTraderInfo(orders[i], takerAddresses[i]);\n }\n return tradersInfo;\n }\n\n /// @dev Fetches token balances and allowances of an address to given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Encoded data that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balance of asset and allowance set to given proxy of asset.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalanceAndAllowance(address target, bytes memory assetData)\n public\n view\n returns (uint256 balance, uint256 allowance)\n {\n bytes4 assetProxyId = assetData.readBytes4(0);\n address token = assetData.readAddress(16);\n address assetProxy = EXCHANGE.getAssetProxy(assetProxyId);\n\n if (assetProxyId == ERC20_DATA_ID) {\n // Query balance\n balance = IERC20Token(token).balanceOf(target);\n\n // Query allowance\n allowance = IERC20Token(token).allowance(target, assetProxy);\n } else if (assetProxyId == ERC721_DATA_ID) {\n uint256 tokenId = assetData.readUint256(36);\n\n // Query owner of tokenId\n address owner = getERC721TokenOwner(token, tokenId);\n\n // Set balance to 1 if tokenId is owned by target\n balance = target == owner ? 1 : 0;\n\n // Check if ERC721Proxy is approved to spend tokenId\n bool isApproved = IERC721Token(token).isApprovedForAll(target, assetProxy) || IERC721Token(token).getApproved(tokenId) == assetProxy;\n \n // Set alowance to 1 if ERC721Proxy is approved to spend tokenId\n allowance = isApproved ? 1 : 0;\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n return (balance, allowance);\n }\n\n /// @dev Fetches token balances and allowances of an address for each given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Array of encoded byte arrays that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balances and allowances of assets.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalancesAndAllowances(address target, bytes[] memory assetData)\n public\n view\n returns (uint256[] memory, uint256[] memory)\n {\n uint256 length = assetData.length;\n uint256[] memory balances = new uint256[](length);\n uint256[] memory allowances = new uint256[](length);\n for (uint256 i = 0; i != length; i++) {\n (balances[i], allowances[i]) = getBalanceAndAllowance(target, assetData[i]);\n }\n return (balances, allowances);\n }\n\n /// @dev Calls `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token.\n /// @param token Address of ERC721 token.\n /// @param tokenId The identifier for the specific NFT.\n /// @return Owner of tokenId or null address if unowned.\n function getERC721TokenOwner(address token, uint256 tokenId)\n public\n view\n returns (address owner)\n {\n assembly {\n // load free memory pointer\n let cdStart := mload(64)\n\n // bytes4(keccak256(ownerOf(uint256))) = 0x6352211e\n mstore(cdStart, 0x6352211e00000000000000000000000000000000000000000000000000000000)\n mstore(add(cdStart, 4), tokenId)\n\n // staticcall `ownerOf(tokenId)`\n // `ownerOf` will revert if tokenId is not owned\n let success := staticcall(\n gas, // forward all gas\n token, // call token contract\n cdStart, // start of calldata\n 36, // length of input is 36 bytes\n cdStart, // write output over input\n 32 // size of output is 32 bytes\n )\n\n // Success implies that tokenId is owned\n // Copy owner from return data if successful\n if success {\n owner := mload(cdStart)\n } \n }\n\n // Owner initialized to address(0), no need to modify if call is unsuccessful\n return owner;\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC20Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n \n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n \n /////// Token contract address ///////\n // The token address is found as follows:\n // * It is stored at offset 4 in `assetData` contents.\n // * This is stored at offset 32 from `assetData`.\n // * The offset to `assetData` from Params is stored at offset\n // 4 in calldata.\n // * The offset of Params in calldata is 4.\n // So we read location 4 and add 32 + 4 + 4 to it.\n let token := calldataload(add(calldataload(4), 40))\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from`, `to` and `amount` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 96)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output over input\n 32 // output size should be 32 bytes\n )\n\n /////// Check return data. ///////\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // nonzero 32 bytes value.\n // So the transfer succeeded if the call succeeded and either\n // returned nothing, or returned a non-zero 32 byte value. \n success := and(success, or(\n iszero(returndatasize),\n and(\n eq(returndatasize, 32),\n gt(mload(0), 0)\n )\n ))\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC721Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 2 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n // | | 36 | | 2. tokenId |\n \n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. tokenId |\n\n // There exists only 1 of each token.\n // require(amount == 1, \"INVALID_AMOUNT\")\n if sub(calldataload(100), 1) {\n // Revert with `Error(\"INVALID_AMOUNT\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from` and `to` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 64)\n\n // Copy `tokenId` field from our own calldata to the new calldata.\n let assetDataOffset := calldataload(4)\n calldatacopy(68, add(assetDataOffset, 72), 32)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let token := calldataload(add(assetDataOffset, 40))\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output to null\n 0 // output size is 0 bytes\n )\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAuthorizable.sol\";\n\n\ncontract MixinAuthorizable is\n Ownable,\n MAuthorizable\n{\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized {\n require(\n authorized[msg.sender],\n \"SENDER_NOT_AUTHORIZED\"\n );\n _;\n }\n\n mapping (address => bool) public authorized;\n address[] public authorities;\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n !authorized[target],\n \"TARGET_ALREADY_AUTHORIZED\"\n );\n\n authorized[target] = true;\n authorities.push(target);\n emit AuthorizedAddressAdded(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n\n delete authorized[target];\n for (uint256 i = 0; i < authorities.length; i++) {\n if (authorities[i] == target) {\n authorities[i] = authorities[authorities.length - 1];\n authorities.length -= 1;\n break;\n }\n }\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n require(\n index < authorities.length,\n \"INDEX_OUT_OF_BOUNDS\"\n );\n require(\n authorities[index] == target,\n \"AUTHORIZED_ADDRESS_MISMATCH\"\n );\n\n delete authorized[target];\n authorities[index] = authorities[authorities.length - 1];\n authorities.length -= 1;\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory)\n {\n return authorities;\n }\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IAuthorizable.sol\";\n\n\ncontract IAssetProxy is\n IAuthorizable\n{\n\n /// @dev Transfers assets. Either succeeds or throws.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n function transferFrom(\n bytes assetData,\n address from,\n address to,\n uint256 amount\n )\n external;\n \n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4);\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/Ownable/IOwnable.sol\";\n\n\ncontract IAuthorizable is\n IOwnable\n{\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external;\n \n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory);\n}\n", + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAuthorizable.sol\";\n\n\ncontract MAuthorizable is\n IAuthorizable\n{\n\n // Event logged when a new address is authorized.\n event AuthorizedAddressAdded(\n address indexed target,\n address indexed caller\n );\n\n // Event logged when a currently authorized address is unauthorized.\n event AuthorizedAddressRemoved(\n address indexed target,\n address indexed caller\n );\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized { revert(); _; }\n}\n", + "2.0.0/protocol/Exchange/Exchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinExchangeCore.sol\";\nimport \"./MixinSignatureValidator.sol\";\nimport \"./MixinWrapperFunctions.sol\";\nimport \"./MixinAssetProxyDispatcher.sol\";\nimport \"./MixinTransactions.sol\";\nimport \"./MixinMatchOrders.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Exchange is\n MixinExchangeCore,\n MixinMatchOrders,\n MixinSignatureValidator,\n MixinTransactions,\n MixinAssetProxyDispatcher,\n MixinWrapperFunctions\n{\n\n string constant public VERSION = \"2.0.1-alpha\";\n\n // Mixins are instantiated in the order they are inherited\n constructor (bytes memory _zrxAssetData)\n public\n LibConstants(_zrxAssetData) // @TODO: Remove when we deploy.\n MixinExchangeCore()\n MixinMatchOrders()\n MixinSignatureValidator()\n MixinTransactions()\n MixinAssetProxyDispatcher()\n MixinWrapperFunctions()\n {}\n}\n", + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\nimport \"../AssetProxy/interfaces/IAssetProxy.sol\";\n\n\ncontract MixinAssetProxyDispatcher is\n Ownable,\n MAssetProxyDispatcher\n{\n using LibBytes for bytes;\n \n // Mapping from Asset Proxy Id's to their respective Asset Proxy\n mapping (bytes4 => IAssetProxy) public assetProxies;\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external\n onlyOwner\n {\n IAssetProxy assetProxyContract = IAssetProxy(assetProxy);\n\n // Ensure that no asset proxy exists with current id.\n bytes4 assetProxyId = assetProxyContract.getProxyId();\n address currentAssetProxy = assetProxies[assetProxyId];\n require(\n currentAssetProxy == address(0),\n \"ASSET_PROXY_ALREADY_EXISTS\"\n );\n\n // Add asset proxy and log registration.\n assetProxies[assetProxyId] = assetProxyContract;\n emit AssetProxyRegistered(\n assetProxyId,\n assetProxy\n );\n }\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address)\n {\n return assetProxies[assetProxyId];\n }\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal\n {\n // Do nothing if no amount should be transferred.\n if (amount > 0) {\n // Ensure assetData length is valid\n require(\n assetData.length > 3,\n \"LENGTH_GREATER_THAN_3_REQUIRED\"\n );\n \n // Lookup assetProxy\n bytes4 assetProxyId;\n assembly {\n assetProxyId := and(mload(\n add(assetData, 32)),\n 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000\n )\n }\n address assetProxy = assetProxies[assetProxyId];\n\n // Ensure that assetProxy exists\n require(\n assetProxy != address(0),\n \"ASSET_PROXY_DOES_NOT_EXIST\"\n );\n \n // We construct calldata for the `assetProxy.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n\n assembly {\n /////// Setup State ///////\n // `cdStart` is the start of the calldata for `assetProxy.transferFrom` (equal to free memory ptr).\n let cdStart := mload(64)\n // `dataAreaLength` is the total number of words needed to store `assetData`\n // As-per the ABI spec, this value is padded up to the nearest multiple of 32,\n // and includes 32-bytes for length.\n let dataAreaLength := and(add(mload(assetData), 63), 0xFFFFFFFFFFFE0)\n // `cdEnd` is the end of the calldata for `assetProxy.transferFrom`.\n let cdEnd := add(cdStart, add(132, dataAreaLength))\n\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFromSelector`.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes.\n // Notes:\n // 1. The offset to `assetData` is the length of the Params Area (128 bytes).\n // 2. A 20-byte mask is applied to addresses to zero-out the unused bytes.\n mstore(add(cdStart, 4), 128)\n mstore(add(cdStart, 36), and(from, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 68), and(to, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 100), amount)\n \n /////// Setup Data Area ///////\n // This area holds `assetData`.\n let dataArea := add(cdStart, 132)\n // solhint-disable-next-line no-empty-blocks\n for {} lt(dataArea, cdEnd) {} {\n mstore(dataArea, mload(assetData))\n dataArea := add(dataArea, 32)\n assetData := add(assetData, 32)\n }\n\n /////// Call `assetProxy.transferFrom` using the constructed calldata ///////\n let success := call(\n gas, // forward all gas\n assetProxy, // call address of asset proxy\n 0, // don't send any ETH\n cdStart, // pointer to start of input\n sub(cdEnd, cdStart), // length of input \n cdStart, // write output over input\n 512 // reserve 512 bytes for output\n )\n if iszero(success) {\n revert(cdStart, returndatasize())\n }\n }\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinExchangeCore is\n LibConstants,\n LibMath,\n LibOrder,\n LibFillResults,\n MAssetProxyDispatcher,\n MExchangeCore,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of orderHash => amount of takerAsset already bought by maker\n mapping (bytes32 => uint256) public filled;\n\n // Mapping of orderHash => cancelled\n mapping (bytes32 => bool) public cancelled;\n\n // Mapping of makerAddress => senderAddress => lowest salt an order can have in order to be fillable\n // Orders with specified senderAddress and with a salt less than their epoch are considered cancelled\n mapping (address => mapping (address => uint256)) public orderEpoch;\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external\n {\n address makerAddress = getCurrentContextAddress();\n // If this function is called via `executeTransaction`, we only update the orderEpoch for the makerAddress/msg.sender combination.\n // This allows external filter contracts to add rules to how orders are cancelled via this function.\n address senderAddress = makerAddress == msg.sender ? address(0) : msg.sender;\n\n // orderEpoch is initialized to 0, so to cancelUpTo we need salt + 1\n uint256 newOrderEpoch = targetOrderEpoch + 1; \n uint256 oldOrderEpoch = orderEpoch[makerAddress][senderAddress];\n\n // Ensure orderEpoch is monotonically increasing\n require(\n newOrderEpoch > oldOrderEpoch, \n \"INVALID_NEW_ORDER_EPOCH\"\n );\n\n // Update orderEpoch\n orderEpoch[makerAddress][senderAddress] = newOrderEpoch;\n emit CancelUpTo(makerAddress, senderAddress, newOrderEpoch);\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // Fetch order info\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n\n // Get amount of takerAsset to fill\n uint256 remainingTakerAssetAmount = safeSub(order.takerAssetAmount, orderInfo.orderTakerAssetFilledAmount);\n uint256 takerAssetFilledAmount = min256(takerAssetFillAmount, remainingTakerAssetAmount);\n\n // Validate context\n assertValidFill(\n order,\n orderInfo,\n takerAddress,\n takerAssetFillAmount,\n takerAssetFilledAmount,\n signature\n );\n\n // Compute proportional fill amounts\n fillResults = calculateFillResults(order, takerAssetFilledAmount);\n\n // Update exchange internal state\n updateFilledState(\n order,\n takerAddress,\n orderInfo.orderHash,\n orderInfo.orderTakerAssetFilledAmount,\n fillResults\n );\n \n // Settle order\n settleOrder(order, takerAddress, fillResults);\n\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrder(Order memory order)\n public\n {\n // Fetch current order status\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Validate context\n assertValidCancel(order, orderInfo);\n\n // Perform cancel\n updateCancelledState(order, orderInfo.orderHash);\n }\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(Order memory order)\n public\n view\n returns (OrderInfo memory orderInfo)\n {\n // Compute the order hash\n orderInfo.orderHash = getOrderHash(order);\n\n // Fetch filled amount\n orderInfo.orderTakerAssetFilledAmount = filled[orderInfo.orderHash];\n\n // If order.makerAssetAmount is zero, we also reject the order.\n // While the Exchange contract handles them correctly, they create\n // edge cases in the supporting infrastructure because they have\n // an 'infinite' price when computed by a simple division.\n if (order.makerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_MAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // If order.takerAssetAmount is zero, then the order will always\n // be considered filled because 0 == takerAssetAmount == orderTakerAssetFilledAmount\n // Instead of distinguishing between unfilled and filled zero taker\n // amount orders, we choose not to support them.\n if (order.takerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_TAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // Validate order availability\n if (orderInfo.orderTakerAssetFilledAmount >= order.takerAssetAmount) {\n orderInfo.orderStatus = uint8(OrderStatus.FULLY_FILLED);\n return orderInfo;\n }\n\n // Validate order expiration\n // solhint-disable-next-line not-rely-on-time\n if (block.timestamp >= order.expirationTimeSeconds) {\n orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);\n return orderInfo;\n }\n\n // Check if order has been cancelled\n if (cancelled[orderInfo.orderHash]) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n if (orderEpoch[order.makerAddress][order.senderAddress] > order.salt) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n\n // All other statuses are ruled out: order is Fillable\n orderInfo.orderStatus = uint8(OrderStatus.FILLABLE);\n return orderInfo;\n }\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n function updateFilledState(\n Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n FillResults memory fillResults\n )\n internal\n {\n // Update state\n filled[orderHash] = safeAdd(orderTakerAssetFilledAmount, fillResults.takerAssetFilledAmount);\n\n // Log order\n emit Fill(\n order.makerAddress,\n order.feeRecipientAddress,\n takerAddress,\n msg.sender,\n fillResults.makerAssetFilledAmount,\n fillResults.takerAssetFilledAmount,\n fillResults.makerFeePaid,\n fillResults.takerFeePaid,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n Order memory order,\n bytes32 orderHash\n )\n internal\n {\n // Perform cancel\n cancelled[orderHash] = true;\n\n // Log cancel\n emit Cancel(\n order.makerAddress,\n order.feeRecipientAddress,\n msg.sender,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param signature Proof that the orders was created by its maker.\n function assertValidFill(\n Order memory order,\n OrderInfo memory orderInfo,\n address takerAddress,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n bytes memory signature\n )\n internal\n view\n {\n // An order can only be filled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Revert if fill amount is invalid\n require(\n takerAssetFillAmount != 0,\n \"INVALID_TAKER_AMOUNT\"\n );\n\n // Validate sender is allowed to fill this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate taker is allowed to fill this order\n if (order.takerAddress != address(0)) {\n require(\n order.takerAddress == takerAddress,\n \"INVALID_TAKER\"\n );\n }\n\n // Validate Maker signature (check only if first time seen)\n if (orderInfo.orderTakerAssetFilledAmount == 0) {\n require(\n isValidSignature(\n orderInfo.orderHash,\n order.makerAddress,\n signature\n ),\n \"INVALID_ORDER_SIGNATURE\"\n );\n }\n\n // Validate fill order rounding\n require(\n !isRoundingError(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n ),\n \"ROUNDING_ERROR\"\n );\n }\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n Order memory order,\n OrderInfo memory orderInfo\n )\n internal\n view\n {\n // Ensure order is valid\n // An order can only be cancelled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Validate sender is allowed to cancel this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate transaction signed by maker\n address makerAddress = getCurrentContextAddress();\n require(\n order.makerAddress == makerAddress,\n \"INVALID_MAKER\"\n );\n }\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (FillResults memory fillResults)\n {\n // Compute proportional transfer amounts\n fillResults.takerAssetFilledAmount = takerAssetFilledAmount;\n fillResults.makerAssetFilledAmount = getPartialAmount(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n );\n fillResults.makerFeePaid = getPartialAmount(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerFee\n );\n fillResults.takerFeePaid = getPartialAmount(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.takerFee\n );\n\n return fillResults;\n }\n\n /// @dev Settles an order by transferring assets between counterparties.\n /// @param order Order struct containing order specifications.\n /// @param takerAddress Address selling takerAsset and buying makerAsset.\n /// @param fillResults Amounts to be filled and fees paid by maker and taker.\n function settleOrder(\n LibOrder.Order memory order,\n address takerAddress,\n LibFillResults.FillResults memory fillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n dispatchTransferFrom(\n order.makerAssetData,\n order.makerAddress,\n takerAddress,\n fillResults.makerAssetFilledAmount\n );\n dispatchTransferFrom(\n order.takerAssetData,\n takerAddress,\n order.makerAddress,\n fillResults.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n zrxAssetData,\n order.makerAddress,\n order.feeRecipientAddress,\n fillResults.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n order.feeRecipientAddress,\n fillResults.takerFeePaid\n );\n }\n}\n", + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": "/*\n Copyright 2018 ZeroEx Intl.\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n http://www.apache.org/licenses/LICENSE-2.0\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MMatchOrders.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinMatchOrders is\n LibConstants,\n LibMath,\n MAssetProxyDispatcher,\n MExchangeCore,\n MMatchOrders,\n MTransactions\n{\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We assume that rightOrder.takerAssetData == leftOrder.makerAssetData and rightOrder.makerAssetData == leftOrder.takerAssetData.\n // If this assumption isn't true, the match will fail at signature validation.\n rightOrder.makerAssetData = leftOrder.takerAssetData;\n rightOrder.takerAssetData = leftOrder.makerAssetData;\n\n // Get left & right order info\n LibOrder.OrderInfo memory leftOrderInfo = getOrderInfo(leftOrder);\n LibOrder.OrderInfo memory rightOrderInfo = getOrderInfo(rightOrder);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n\n // Either our context is valid or we revert\n assertValidMatch(leftOrder, rightOrder);\n\n // Compute proportional fill amounts\n matchedFillResults = calculateMatchedFillResults(\n leftOrder,\n rightOrder,\n leftOrderInfo.orderTakerAssetFilledAmount,\n rightOrderInfo.orderTakerAssetFilledAmount\n );\n\n // Validate fill contexts\n assertValidFill(\n leftOrder,\n leftOrderInfo,\n takerAddress,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.takerAssetFilledAmount,\n leftSignature\n );\n assertValidFill(\n rightOrder,\n rightOrderInfo,\n takerAddress,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount,\n rightSignature\n );\n\n // Update exchange state\n updateFilledState(\n leftOrder,\n takerAddress,\n leftOrderInfo.orderHash,\n leftOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.left\n );\n updateFilledState(\n rightOrder,\n takerAddress,\n rightOrderInfo.orderHash,\n rightOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.right\n );\n \n // Settle matched orders. Succeeds or throws.\n settleMatchedOrders(\n leftOrder,\n rightOrder,\n takerAddress,\n matchedFillResults\n );\n\n return matchedFillResults;\n }\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure\n {\n // Make sure there is a profitable spread.\n // There is a profitable spread iff the cost per unit bought (OrderA.MakerAmount/OrderA.TakerAmount) for each order is greater\n // than the profit per unit sold of the matched order (OrderB.TakerAmount/OrderB.MakerAmount).\n // This is satisfied by the equations below:\n // / >= / \n // AND\n // / >= / \n // These equations can be combined to get the following:\n require(\n safeMul(leftOrder.makerAssetAmount, rightOrder.makerAssetAmount) >=\n safeMul(leftOrder.takerAssetAmount, rightOrder.takerAssetAmount),\n \"NEGATIVE_SPREAD_REQUIRED\"\n );\n }\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We settle orders at the exchange rate of the right order.\n // The amount saved by the left maker goes to the taker.\n // Either the left or right order will be fully filled; possibly both.\n // The left order is fully filled iff the right order can sell more than left can buy.\n // That is: the amount required to fill the left order is less than or equal to\n // the amount we can spend from the right order:\n // <= * \n // <= * / \n // * <= * \n uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);\n uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);\n uint256 leftTakerAssetFilledAmount;\n uint256 rightTakerAssetFilledAmount;\n if (\n safeMul(leftTakerAssetAmountRemaining, rightOrder.takerAssetAmount) <=\n safeMul(rightTakerAssetAmountRemaining, rightOrder.makerAssetAmount)\n ) {\n // Left order will be fully filled: maximally fill left\n leftTakerAssetFilledAmount = leftTakerAssetAmountRemaining;\n\n // The right order receives an amount proportional to how much was spent.\n rightTakerAssetFilledAmount = getPartialAmount(\n rightOrder.takerAssetAmount,\n rightOrder.makerAssetAmount,\n leftTakerAssetFilledAmount\n );\n } else {\n // Right order will be fully filled: maximally fill right\n rightTakerAssetFilledAmount = rightTakerAssetAmountRemaining;\n\n // The left order receives an amount proportional to how much was spent.\n leftTakerAssetFilledAmount = getPartialAmount(\n rightOrder.makerAssetAmount,\n rightOrder.takerAssetAmount,\n rightTakerAssetFilledAmount\n );\n }\n\n // Calculate fill results for left order\n matchedFillResults.left = calculateFillResults(\n leftOrder,\n leftTakerAssetFilledAmount\n );\n\n // Calculate fill results for right order\n matchedFillResults.right = calculateFillResults(\n rightOrder,\n rightTakerAssetFilledAmount\n );\n\n // Calculate amount given to taker\n matchedFillResults.leftMakerAssetSpreadAmount = safeSub(\n matchedFillResults.left.makerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount\n );\n\n // Return fill results\n return matchedFillResults;\n }\n\n /// @dev Settles matched order by transferring appropriate funds between order makers, taker, and fee recipient.\n /// @param leftOrder First matched order.\n /// @param rightOrder Second matched order.\n /// @param takerAddress Address that matched the orders. The taker receives the spread between orders as profit.\n /// @param matchedFillResults Struct holding amounts to transfer between makers, taker, and fee recipients.\n function settleMatchedOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n address takerAddress,\n LibFillResults.MatchedFillResults memory matchedFillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n // Order makers and taker\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n rightOrder.makerAddress,\n matchedFillResults.right.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n rightOrder.makerAssetData,\n rightOrder.makerAddress,\n leftOrder.makerAddress,\n matchedFillResults.left.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n takerAddress,\n matchedFillResults.leftMakerAssetSpreadAmount\n );\n\n // Maker fees\n dispatchTransferFrom(\n zrxAssetData,\n leftOrder.makerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n rightOrder.makerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.makerFeePaid\n );\n\n // Taker fees\n if (leftOrder.feeRecipientAddress == rightOrder.feeRecipientAddress) {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n safeAdd(\n matchedFillResults.left.takerFeePaid,\n matchedFillResults.right.takerFeePaid\n )\n );\n } else {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.takerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.takerFeePaid\n );\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./interfaces/IWallet.sol\";\nimport \"./interfaces/IValidator.sol\";\n\n\ncontract MixinSignatureValidator is\n MSignatureValidator,\n MTransactions\n{\n using LibBytes for bytes;\n \n // Mapping of hash => signer => signed\n mapping (bytes32 => mapping (address => bool)) public preSigned;\n\n // Mapping of signer => validator => approved\n mapping (address => mapping (address => bool)) public allowedValidators;\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n {\n require(\n isValidSignature(\n hash,\n signerAddress,\n signature\n ),\n \"INVALID_SIGNATURE\"\n );\n preSigned[hash][signerAddress] = true;\n }\n\n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external\n {\n address signerAddress = getCurrentContextAddress();\n allowedValidators[signerAddress][validatorAddress] = approval;\n emit SignatureValidatorApproval(\n signerAddress,\n validatorAddress,\n approval\n );\n }\n\n /// @dev Verifies that a hash has been signed by the given signer.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid)\n {\n require(\n signature.length > 0,\n \"LENGTH_GREATER_THAN_0_REQUIRED\"\n );\n\n // Pop last byte off of signature byte array.\n uint8 signatureTypeRaw = uint8(signature.popLastByte());\n\n // Ensure signature is supported\n require(\n signatureTypeRaw < uint8(SignatureType.NSignatureTypes),\n \"SIGNATURE_UNSUPPORTED\"\n );\n\n SignatureType signatureType = SignatureType(signatureTypeRaw);\n\n // Variables are not scoped in Solidity.\n uint8 v;\n bytes32 r;\n bytes32 s;\n address recovered;\n\n // Always illegal signature.\n // This is always an implicit option since a signer can create a\n // signature array with invalid type or length. We may as well make\n // it an explicit option. This aids testing and analysis. It is\n // also the initialization value for the enum type.\n if (signatureType == SignatureType.Illegal) {\n revert(\"SIGNATURE_ILLEGAL\");\n\n // Always invalid signature.\n // Like Illegal, this is always implicitly available and therefore\n // offered explicitly. It can be implicitly created by providing\n // a correctly formatted but incorrect signature.\n } else if (signatureType == SignatureType.Invalid) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = false;\n return isValid;\n\n // Signature using EIP712\n } else if (signatureType == SignatureType.EIP712) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n hash,\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signed using web3.eth_sign\n } else if (signatureType == SignatureType.EthSign) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n32\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Implicitly signed by caller.\n // The signer has initiated the call. In the case of non-contract\n // accounts it means the transaction itself was signed.\n // Example: let's say for a particular operation three signatures\n // A, B and C are required. To submit the transaction, A and B can\n // give a signature to C, who can then submit the transaction using\n // `Caller` for his own signature. Or A and C can sign and B can\n // submit using `Caller`. Having `Caller` allows this flexibility.\n } else if (signatureType == SignatureType.Caller) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = signerAddress == msg.sender;\n return isValid;\n\n // Signature verified by wallet contract.\n // If used with an order, the maker of the order is the wallet contract.\n } else if (signatureType == SignatureType.Wallet) {\n isValid = IWallet(signerAddress).isValidSignature(hash, signature);\n return isValid;\n\n // Signature verified by validator contract.\n // If used with an order, the maker of the order can still be an EOA.\n // A signature using this type should be encoded as:\n // | Offset | Length | Contents |\n // | 0x00 | x | Signature to validate |\n // | 0x00 + x | 20 | Address of validator contract |\n // | 0x14 + x | 1 | Signature type is always \"\\x06\" |\n } else if (signatureType == SignatureType.Validator) {\n // Pop last 20 bytes off of signature byte array.\n address validatorAddress = signature.popLast20Bytes();\n \n // Ensure signer has approved validator.\n if (!allowedValidators[signerAddress][validatorAddress]) {\n return false;\n }\n isValid = IValidator(validatorAddress).isValidSignature(\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signer signed hash previously using the preSign function.\n } else if (signatureType == SignatureType.PreSigned) {\n isValid = preSigned[hash][signerAddress];\n return isValid;\n\n // Signature from Trezor hardware wallet.\n // It differs from web3.eth_sign in the encoding of message length\n // (Bitcoin varint encoding vs ascii-decimal, the latter is not\n // self-terminating which leads to ambiguities).\n // See also:\n // https://en.bitcoin.it/wiki/Protocol_documentation#Variable_length_integer\n // https://github.com/trezor/trezor-mcu/blob/master/firmware/ethereum.c#L602\n // https://github.com/trezor/trezor-mcu/blob/master/firmware/crypto.c#L36\n } else if (signatureType == SignatureType.Trezor) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n\\x20\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n }\n\n // Anything else is illegal (We do not return false because\n // the signature may actually be valid, just not in a format\n // that we currently support. In this case returning false\n // may lead the caller to incorrectly believe that the\n // signature was invalid.)\n revert(\"SIGNATURE_UNSUPPORTED\");\n }\n}\n", + "2.0.0/protocol/Exchange/MixinTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"./libs/LibExchangeErrors.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./libs/LibEIP712.sol\";\n\n\ncontract MixinTransactions is\n LibEIP712,\n MSignatureValidator,\n MTransactions\n{\n\n // Mapping of transaction hash => executed\n // This prevents transactions from being executed more than once.\n mapping (bytes32 => bool) public transactions;\n\n // Address of current transaction signer\n address public currentContextAddress;\n\n // Hash for the EIP712 ZeroEx Transaction Schema\n bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"ZeroExTransaction(\",\n \"uint256 salt,\",\n \"address signerAddress,\",\n \"bytes data\",\n \")\"\n ));\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external\n {\n // Prevent reentrancy\n require(\n currentContextAddress == address(0),\n \"REENTRANCY_ILLEGAL\"\n );\n\n bytes32 transactionHash = hashEIP712Message(hashZeroExTransaction(\n salt,\n signerAddress,\n data\n ));\n\n // Validate transaction has not been executed\n require(\n !transactions[transactionHash],\n \"INVALID_TX_HASH\"\n );\n\n // Transaction always valid if signer is sender of transaction\n if (signerAddress != msg.sender) {\n // Validate signature\n require(\n isValidSignature(\n transactionHash,\n signerAddress,\n signature\n ),\n \"INVALID_TX_SIGNATURE\"\n );\n\n // Set the current transaction signer\n currentContextAddress = signerAddress;\n }\n\n // Execute transaction\n transactions[transactionHash] = true;\n require(\n address(this).delegatecall(data),\n \"FAILED_EXECUTION\"\n );\n\n // Reset current transaction signer if it was previously updated\n if (signerAddress != msg.sender) {\n currentContextAddress = address(0);\n }\n }\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;\n bytes32 dataHash = keccak256(data);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,\n // salt,\n // bytes32(signerAddress),\n // keccak256(data)\n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, schemaHash) // hash of schema\n mstore(add(memPtr, 32), salt) // salt\n mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff)) // signerAddress\n mstore(add(memPtr, 96), dataHash) // hash of data\n\n // Compute hash\n result := keccak256(memPtr, 128)\n }\n return result;\n }\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address)\n {\n address contextAddress = currentContextAddress == address(0) ? msg.sender : currentContextAddress;\n return contextAddress;\n }\n}\n", + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibAbiEncoder.sol\";\nimport \"./mixins/MExchangeCore.sol\";\n\n\ncontract MixinWrapperFunctions is\n LibMath,\n LibFillResults,\n LibAbiEncoder,\n MExchangeCore\n{\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n require(\n fillResults.takerAssetFilledAmount == takerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return fillResults;\n }\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n // Delegate to `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := delegatecall(\n gas, // forward all gas, TODO: look into gas consumption of assert/throw\n address, // call address of this contract\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n switch success\n case 0 {\n mstore(fillResults, 0)\n mstore(add(fillResults, 32), 0)\n mstore(add(fillResults, 64), 0)\n mstore(add(fillResults, 96), 0)\n }\n case 1 {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrder(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrKillOrder(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n \n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrder(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmount(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrder(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmount(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n cancelOrder(orders[i]);\n }\n }\n\n /// @dev Fetches information for all passed in orders.\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n LibOrder.OrderInfo[] memory ordersInfo = new LibOrder.OrderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n ordersInfo[i] = getOrderInfo(orders[i]);\n }\n return ordersInfo;\n }\n}\n", + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssetProxyDispatcher {\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external;\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./IExchangeCore.sol\";\nimport \"./IMatchOrders.sol\";\nimport \"./ISignatureValidator.sol\";\nimport \"./ITransactions.sol\";\nimport \"./IAssetProxyDispatcher.sol\";\nimport \"./IWrapperFunctions.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract IExchange is\n IExchangeCore,\n IMatchOrders,\n ISignatureValidator,\n ITransactions,\n IAssetProxyDispatcher,\n IWrapperFunctions\n{}\n", + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IExchangeCore {\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external;\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrder(LibOrder.Order memory order)\n public;\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(LibOrder.Order memory order)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IMatchOrders {\n\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ISignatureValidator {\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external;\n \n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external;\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address of signer.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\n\ncontract ITransactions {\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external;\n}\n", + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IValidator {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IWallet {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IWrapperFunctions {\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public;\n\n /// @dev Fetches information for all passed in orders\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory);\n}\n", + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./LibOrder.sol\";\n\n\ncontract LibAbiEncoder {\n\n /// @dev ABI encodes calldata for `fillOrder`.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return ABI encoded calldata for `fillOrder`.\n function abiEncodeFillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n pure\n returns (bytes memory fillOrderCalldata)\n {\n // We need to call MExchangeCore.fillOrder using a delegatecall in\n // assembly so that we can intercept a call that throws. For this, we\n // need the input encoded in memory in the Ethereum ABIv2 format [1].\n\n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0x00 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 0x00 | | 1. offset to order (*) |\n // | | 0x20 | | 2. takerAssetFillAmount |\n // | | 0x40 | | 3. offset to signature (*) |\n // | Data | | 12 * 32 | order: |\n // | | 0x000 | | 1. senderAddress |\n // | | 0x020 | | 2. makerAddress |\n // | | 0x040 | | 3. takerAddress |\n // | | 0x060 | | 4. feeRecipientAddress |\n // | | 0x080 | | 5. makerAssetAmount |\n // | | 0x0A0 | | 6. takerAssetAmount |\n // | | 0x0C0 | | 7. makerFeeAmount |\n // | | 0x0E0 | | 8. takerFeeAmount |\n // | | 0x100 | | 9. expirationTimeSeconds |\n // | | 0x120 | | 10. salt |\n // | | 0x140 | | 11. Offset to makerAssetData (*) |\n // | | 0x160 | | 12. Offset to takerAssetData (*) |\n // | | 0x180 | 32 | makerAssetData Length |\n // | | 0x1A0 | ** | makerAssetData Contents |\n // | | 0x1C0 | 32 | takerAssetData Length |\n // | | 0x1E0 | ** | takerAssetData Contents |\n // | | 0x200 | 32 | signature Length |\n // | | 0x220 | ** | signature Contents |\n\n // * Offsets are calculated from the beginning of the current area: Header, Params, Data:\n // An offset stored in the Params area is calculated from the beginning of the Params section.\n // An offset stored in the Data area is calculated from the beginning of the Data section.\n\n // ** The length of dynamic array contents are stored in the field immediately preceeding the contents.\n\n // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html\n\n assembly {\n\n // Areas below may use the following variables:\n // 1. Start -- Start of this area in memory\n // 2. End -- End of this area in memory. This value may\n // be precomputed (before writing contents),\n // or it may be computed as contents are written.\n // 3. Offset -- Current offset into area. If an area's End\n // is precomputed, this variable tracks the\n // offsets of contents as they are written.\n\n /////// Setup Header Area ///////\n // Load free memory pointer\n fillOrderCalldata := mload(0x40)\n // bytes4(keccak256(\"fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)\"))\n // = 0xb4be83d5\n // Leave 0x20 bytes to store the length\n mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000)\n let headerAreaEnd := add(fillOrderCalldata, 0x24)\n\n /////// Setup Params Area ///////\n // This area is preallocated and written to later.\n // This is because we need to fill in offsets that have not yet been calculated.\n let paramsAreaStart := headerAreaEnd\n let paramsAreaEnd := add(paramsAreaStart, 0x60)\n let paramsAreaOffset := paramsAreaStart\n\n /////// Setup Data Area ///////\n let dataAreaStart := paramsAreaEnd\n let dataAreaEnd := dataAreaStart\n\n // Offset from the source data we're reading from\n let sourceOffset := order\n // arrayLenBytes and arrayLenWords track the length of a dynamically-allocated bytes array.\n let arrayLenBytes := 0\n let arrayLenWords := 0\n\n /////// Write order Struct ///////\n // Write memory location of Order, relative to the start of the\n // parameter list, then increment the paramsAreaOffset respectively.\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n // Write values for each field in the order\n // It would be nice to use a loop, but we save on gas by writing\n // the stores sequentially.\n mstore(dataAreaEnd, mload(sourceOffset)) // makerAddress\n mstore(add(dataAreaEnd, 0x20), mload(add(sourceOffset, 0x20))) // takerAddress\n mstore(add(dataAreaEnd, 0x40), mload(add(sourceOffset, 0x40))) // feeRecipientAddress\n mstore(add(dataAreaEnd, 0x60), mload(add(sourceOffset, 0x60))) // senderAddress\n mstore(add(dataAreaEnd, 0x80), mload(add(sourceOffset, 0x80))) // makerAssetAmount\n mstore(add(dataAreaEnd, 0xA0), mload(add(sourceOffset, 0xA0))) // takerAssetAmount\n mstore(add(dataAreaEnd, 0xC0), mload(add(sourceOffset, 0xC0))) // makerFeeAmount\n mstore(add(dataAreaEnd, 0xE0), mload(add(sourceOffset, 0xE0))) // takerFeeAmount\n mstore(add(dataAreaEnd, 0x100), mload(add(sourceOffset, 0x100))) // expirationTimeSeconds\n mstore(add(dataAreaEnd, 0x120), mload(add(sourceOffset, 0x120))) // salt\n mstore(add(dataAreaEnd, 0x140), mload(add(sourceOffset, 0x140))) // Offset to makerAssetData\n mstore(add(dataAreaEnd, 0x160), mload(add(sourceOffset, 0x160))) // Offset to takerAssetData\n dataAreaEnd := add(dataAreaEnd, 0x180)\n sourceOffset := add(sourceOffset, 0x180)\n\n // Write offset to \n mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x140)) // makerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Write offset to \n mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x160)) // takerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n /////// Write takerAssetFillAmount ///////\n mstore(paramsAreaOffset, takerAssetFillAmount)\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n /////// Write signature ///////\n // Write offset to paramsArea\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n\n // Calculate length of signature\n sourceOffset := signature\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of signature\n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of signature\n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Set length of calldata\n mstore(fillOrderCalldata, sub(dataAreaEnd, add(fillOrderCalldata, 0x20)))\n\n // Increment free memory pointer\n mstore(0x40, dataAreaEnd)\n }\n\n return fillOrderCalldata;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\n// solhint-disable max-line-length\ncontract LibConstants {\n \n // Asset data for ZRX token. Used for fee transfers.\n // @TODO: Hardcode constant when we deploy. Currently \n // not constant to make testing easier.\n\n // The proxyId for ZRX_ASSET_DATA is bytes4(keccak256(\"ERC20Token(address)\")) = 0xf47261b0\n \n // Kovan ZRX address is 0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570.\n // The ABI encoded proxyId and address is 0xf47261b00000000000000000000000006ff6c0ff1d68b964901f986d4c9fa3ac68346570\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x6f\\xf6\\xc0\\xff\\x1d\\x68\\xb9\\x64\\x90\\x1f\\x98\\x6d\\x4c\\x9f\\xa3\\xac\\x68\\x34\\x65\\x70\";\n \n // Mainnet ZRX address is 0xe41d2489571d322189246dafa5ebde1f4699f498.\n // The ABI encoded proxyId and address is 0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xe4\\x1d\\x24\\x89\\x57\\x1d\\x32\\x21\\x89\\x24\\x6d\\xaf\\xa5\\xeb\\xde\\x1f\\x46\\x99\\xf4\\x98\";\n \n // solhint-disable-next-line var-name-mixedcase\n bytes public ZRX_ASSET_DATA;\n\n // @TODO: Remove when we deploy.\n constructor (bytes memory zrxAssetData)\n public\n {\n ZRX_ASSET_DATA = zrxAssetData;\n }\n}\n// solhint-enable max-line-length\n", + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract LibEIP712 {\n // EIP191 header for EIP712 prefix\n string constant internal EIP191_HEADER = \"\\x19\\x01\";\n\n // EIP712 Domain Name value\n string constant internal EIP712_DOMAIN_NAME = \"0x Protocol\";\n\n // EIP712 Domain Version value\n string constant internal EIP712_DOMAIN_VERSION = \"2\";\n\n // Hash of the EIP712 Domain Separator Schema\n bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"EIP712Domain(\",\n \"string name,\",\n \"string version,\",\n \"address verifyingContract\",\n \")\"\n ));\n\n // Hash of the EIP712 Domain Separator data\n // solhint-disable-next-line var-name-mixedcase\n bytes32 public EIP712_DOMAIN_HASH;\n\n constructor ()\n public\n {\n EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(\n EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,\n keccak256(bytes(EIP712_DOMAIN_NAME)),\n keccak256(bytes(EIP712_DOMAIN_VERSION)),\n bytes32(address(this))\n ));\n }\n\n /// @dev Calculates EIP712 encoding for a hash struct in this EIP712 Domain.\n /// @param hashStruct The EIP712 hash struct.\n /// @return EIP712 hash applied to this EIP712 Domain.\n function hashEIP712Message(bytes32 hashStruct)\n internal\n view\n returns (bytes32 result)\n {\n bytes32 eip712DomainHash = EIP712_DOMAIN_HASH;\n\n // Assembly for more efficient computing:\n // keccak256(abi.encodePacked(\n // EIP191_HEADER,\n // EIP712_DOMAIN_HASH,\n // hashStruct \n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, 0x1901000000000000000000000000000000000000000000000000000000000000) // EIP191 header\n mstore(add(memPtr, 2), eip712DomainHash) // EIP712 domain hash\n mstore(add(memPtr, 34), hashStruct) // Hash of struct\n\n // Compute hash\n result := keccak256(memPtr, 66)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity 0.4.24;\n\n\n/// @dev This contract documents the revert reasons used in the Exchange contract.\n/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons.\ncontract LibExchangeErrors {\n\n /// Order validation errors ///\n string constant ORDER_UNFILLABLE = \"ORDER_UNFILLABLE\"; // Order cannot be filled.\n string constant INVALID_MAKER = \"INVALID_MAKER\"; // Invalid makerAddress.\n string constant INVALID_TAKER = \"INVALID_TAKER\"; // Invalid takerAddress.\n string constant INVALID_SENDER = \"INVALID_SENDER\"; // Invalid `msg.sender`.\n string constant INVALID_ORDER_SIGNATURE = \"INVALID_ORDER_SIGNATURE\"; // Signature validation failed. \n \n /// fillOrder validation errors ///\n string constant INVALID_TAKER_AMOUNT = \"INVALID_TAKER_AMOUNT\"; // takerAssetFillAmount cannot equal 0.\n string constant ROUNDING_ERROR = \"ROUNDING_ERROR\"; // Rounding error greater than 0.1% of takerAssetFillAmount. \n \n /// Signature validation errors ///\n string constant INVALID_SIGNATURE = \"INVALID_SIGNATURE\"; // Signature validation failed. \n string constant SIGNATURE_ILLEGAL = \"SIGNATURE_ILLEGAL\"; // Signature type is illegal.\n string constant SIGNATURE_UNSUPPORTED = \"SIGNATURE_UNSUPPORTED\"; // Signature type unsupported.\n \n /// cancelOrdersUptTo errors ///\n string constant INVALID_NEW_ORDER_EPOCH = \"INVALID_NEW_ORDER_EPOCH\"; // Specified salt must be greater than or equal to existing orderEpoch.\n\n /// fillOrKillOrder errors ///\n string constant COMPLETE_FILL_FAILED = \"COMPLETE_FILL_FAILED\"; // Desired takerAssetFillAmount could not be completely filled. \n\n /// matchOrders errors ///\n string constant NEGATIVE_SPREAD_REQUIRED = \"NEGATIVE_SPREAD_REQUIRED\"; // Matched orders must have a negative spread.\n\n /// Transaction errors ///\n string constant REENTRANCY_ILLEGAL = \"REENTRANCY_ILLEGAL\"; // Recursive reentrancy is not allowed. \n string constant INVALID_TX_HASH = \"INVALID_TX_HASH\"; // Transaction has already been executed. \n string constant INVALID_TX_SIGNATURE = \"INVALID_TX_SIGNATURE\"; // Signature validation failed. \n string constant FAILED_EXECUTION = \"FAILED_EXECUTION\"; // Transaction execution failed. \n \n /// registerAssetProxy errors ///\n string constant ASSET_PROXY_ALREADY_EXISTS = \"ASSET_PROXY_ALREADY_EXISTS\"; // AssetProxy with same id already exists.\n\n /// dispatchTransferFrom errors ///\n string constant ASSET_PROXY_DOES_NOT_EXIST = \"ASSET_PROXY_DOES_NOT_EXIST\"; // No assetProxy registered at given id.\n string constant TRANSFER_FAILED = \"TRANSFER_FAILED\"; // Asset transfer unsuccesful.\n\n /// Length validation errors ///\n string constant LENGTH_GREATER_THAN_0_REQUIRED = \"LENGTH_GREATER_THAN_0_REQUIRED\"; // Byte array must have a length greater than 0.\n string constant LENGTH_GREATER_THAN_3_REQUIRED = \"LENGTH_GREATER_THAN_3_REQUIRED\"; // Byte array must have a length greater than 3.\n string constant LENGTH_0_REQUIRED = \"LENGTH_0_REQUIRED\"; // Byte array must have a length of 0.\n string constant LENGTH_65_REQUIRED = \"LENGTH_65_REQUIRED\"; // Byte array must have a length of 65.\n}\n", + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibFillResults is\n SafeMath\n{\n\n struct FillResults {\n uint256 makerAssetFilledAmount; // Total amount of makerAsset(s) filled.\n uint256 takerAssetFilledAmount; // Total amount of takerAsset(s) filled.\n uint256 makerFeePaid; // Total amount of ZRX paid by maker(s) to feeRecipient(s).\n uint256 takerFeePaid; // Total amount of ZRX paid by taker to feeRecipients(s).\n }\n\n struct MatchedFillResults {\n FillResults left; // Amounts filled and fees paid of left order.\n FillResults right; // Amounts filled and fees paid of right order.\n uint256 leftMakerAssetSpreadAmount; // Spread between price of left and right order, denominated in the left order's makerAsset, paid to taker.\n }\n\n /// @dev Adds properties of both FillResults instances.\n /// Modifies the first FillResults instance specified.\n /// @param totalFillResults Fill results instance that will be added onto.\n /// @param singleFillResults Fill results instance that will be added to totalFillResults.\n function addFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)\n internal\n pure\n {\n totalFillResults.makerAssetFilledAmount = safeAdd(totalFillResults.makerAssetFilledAmount, singleFillResults.makerAssetFilledAmount);\n totalFillResults.takerAssetFilledAmount = safeAdd(totalFillResults.takerAssetFilledAmount, singleFillResults.takerAssetFilledAmount);\n totalFillResults.makerFeePaid = safeAdd(totalFillResults.makerFeePaid, singleFillResults.makerFeePaid);\n totalFillResults.takerFeePaid = safeAdd(totalFillResults.takerFeePaid, singleFillResults.takerFeePaid);\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibMath.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibMath is\n SafeMath\n{\n\n /// @dev Calculates partial value given a numerator and denominator.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target.\n function getPartialAmount(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Checks if rounding error > 0.1%.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingError(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n uint256 remainder = mulmod(target, numerator, denominator);\n if (remainder == 0) {\n return false; // No rounding error.\n }\n\n uint256 errPercentageTimes1000000 = safeDiv(\n safeMul(remainder, 1000000),\n safeMul(numerator, target)\n );\n isError = errPercentageTimes1000000 > 1000;\n return isError;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibOrder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./LibEIP712.sol\";\n\n\ncontract LibOrder is\n LibEIP712\n{\n\n // Hash for the EIP712 Order Schema\n bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"Order(\",\n \"address makerAddress,\",\n \"address takerAddress,\",\n \"address feeRecipientAddress,\",\n \"address senderAddress,\",\n \"uint256 makerAssetAmount,\",\n \"uint256 takerAssetAmount,\",\n \"uint256 makerFee,\",\n \"uint256 takerFee,\",\n \"uint256 expirationTimeSeconds,\",\n \"uint256 salt,\",\n \"bytes makerAssetData,\",\n \"bytes takerAssetData\",\n \")\"\n ));\n\n // A valid order remains fillable until it is expired, fully filled, or cancelled.\n // An order's state is unaffected by external factors, like account balances.\n enum OrderStatus {\n INVALID, // Default value\n INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount\n INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount\n FILLABLE, // Order is fillable\n EXPIRED, // Order has already expired\n FULLY_FILLED, // Order is fully filled\n CANCELLED // Order has been cancelled\n }\n\n // solhint-disable max-line-length\n struct Order {\n address makerAddress; // Address that created the order. \n address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order. \n address feeRecipientAddress; // Address that will recieve fees when order is filled. \n address senderAddress; // Address that is allowed to call Exchange contract methods that affect this order. If set to 0, any address is allowed to call these methods.\n uint256 makerAssetAmount; // Amount of makerAsset being offered by maker. Must be greater than 0. \n uint256 takerAssetAmount; // Amount of takerAsset being bid on by maker. Must be greater than 0. \n uint256 makerFee; // Amount of ZRX paid to feeRecipient by maker when order is filled. If set to 0, no transfer of ZRX from maker to feeRecipient will be attempted.\n uint256 takerFee; // Amount of ZRX paid to feeRecipient by taker when order is filled. If set to 0, no transfer of ZRX from taker to feeRecipient will be attempted.\n uint256 expirationTimeSeconds; // Timestamp in seconds at which order expires. \n uint256 salt; // Arbitrary number to facilitate uniqueness of the order's hash. \n bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.\n bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.\n }\n // solhint-enable max-line-length\n\n struct OrderInfo {\n uint8 orderStatus; // Status that describes order's validity and fillability.\n bytes32 orderHash; // EIP712 hash of the order (see LibOrder.getOrderHash).\n uint256 orderTakerAssetFilledAmount; // Amount of order that has already been filled.\n }\n\n /// @dev Calculates Keccak-256 hash of the order.\n /// @param order The order structure.\n /// @return Keccak-256 EIP712 hash of the order.\n function getOrderHash(Order memory order)\n internal\n view\n returns (bytes32 orderHash)\n {\n orderHash = hashEIP712Message(hashOrder(order));\n return orderHash;\n }\n\n /// @dev Calculates EIP712 hash of the order.\n /// @param order The order structure.\n /// @return EIP712 hash of the order.\n function hashOrder(Order memory order)\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ORDER_SCHEMA_HASH;\n bytes32 makerAssetDataHash = keccak256(order.makerAssetData);\n bytes32 takerAssetDataHash = keccak256(order.takerAssetData);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ORDER_SCHEMA_HASH,\n // bytes32(order.makerAddress),\n // bytes32(order.takerAddress),\n // bytes32(order.feeRecipientAddress),\n // bytes32(order.senderAddress),\n // order.makerAssetAmount,\n // order.takerAssetAmount,\n // order.makerFee,\n // order.takerFee,\n // order.expirationTimeSeconds,\n // order.salt,\n // keccak256(order.makerAssetData),\n // keccak256(order.takerAssetData)\n // ));\n\n assembly {\n // Calculate memory addresses that will be swapped out before hashing\n let pos1 := sub(order, 32)\n let pos2 := add(order, 320)\n let pos3 := add(order, 352)\n\n // Backup\n let temp1 := mload(pos1)\n let temp2 := mload(pos2)\n let temp3 := mload(pos3)\n \n // Hash in place\n mstore(pos1, schemaHash)\n mstore(pos2, makerAssetDataHash)\n mstore(pos3, takerAssetDataHash)\n result := keccak256(pos1, 416)\n \n // Restore\n mstore(pos1, temp1)\n mstore(pos2, temp2)\n mstore(pos3, temp3)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssetProxyDispatcher.sol\";\n\n\ncontract MAssetProxyDispatcher is\n IAssetProxyDispatcher\n{\n\n // Logs registration of new asset proxy\n event AssetProxyRegistered(\n bytes4 id, // Id of new registered AssetProxy.\n address assetProxy // Address of new registered AssetProxy.\n );\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IExchangeCore.sol\";\n\n\ncontract MExchangeCore is\n IExchangeCore\n{\n // Fill event is emitted whenever an order is filled.\n event Fill(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that received fees.\n address takerAddress, // Address that filled the order.\n address senderAddress, // Address that called the Exchange contract (msg.sender).\n uint256 makerAssetFilledAmount, // Amount of makerAsset sold by maker and bought by taker. \n uint256 takerAssetFilledAmount, // Amount of takerAsset sold by taker and bought by maker.\n uint256 makerFeePaid, // Amount of ZRX paid to feeRecipient by maker.\n uint256 takerFeePaid, // Amount of ZRX paid to feeRecipient by taker.\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // Cancel event is emitted whenever an individual order is cancelled.\n event Cancel(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that would have recieved fees if order was filled. \n address senderAddress, // Address that called the Exchange contract (msg.sender).\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // CancelUpTo event is emitted whenever `cancelOrdersUpTo` is executed succesfully.\n event CancelUpTo(\n address indexed makerAddress, // Orders cancelled must have been created by this address.\n address indexed senderAddress, // Orders cancelled must have a `senderAddress` equal to this address.\n uint256 orderEpoch // Orders with specified makerAddress and senderAddress with a salt less than this value are considered cancelled.\n );\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function updateFilledState(\n LibOrder.Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n LibFillResults.FillResults memory fillResults\n )\n internal;\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n LibOrder.Order memory order,\n bytes32 orderHash\n )\n internal;\n\n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo Status, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param signature Proof that the orders was created by its maker.\n function assertValidFill(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n address takerAddress,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n bytes memory signature\n )\n internal\n view;\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo\n )\n internal\n view;\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n LibOrder.Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.FillResults memory fillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IMatchOrders.sol\";\n\n\ncontract MMatchOrders is\n IMatchOrders\n{\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure;\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/ISignatureValidator.sol\";\n\n\ncontract MSignatureValidator is\n ISignatureValidator\n{\n event SignatureValidatorApproval(\n address indexed signerAddress, // Address that approves or disapproves a contract to verify signatures.\n address indexed validatorAddress, // Address of signature validator contract.\n bool approved // Approval or disapproval of validator contract.\n );\n\n // Allowed signature types.\n enum SignatureType {\n Illegal, // 0x00, default value\n Invalid, // 0x01\n EIP712, // 0x02\n EthSign, // 0x03\n Caller, // 0x04\n Wallet, // 0x05\n Validator, // 0x06\n PreSigned, // 0x07\n Trezor, // 0x08\n NSignatureTypes // 0x09, number of signature types. Always leave at end.\n }\n}\n", + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"../interfaces/ITransactions.sol\";\n\n\ncontract MTransactions is\n ITransactions\n{\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address);\n}\n", + "2.0.0/test/DummyERC20Token/DummyERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/MintableERC20Token.sol\";\n\n\ncontract DummyERC20Token is \n Ownable,\n MintableERC20Token\n{\n string public name;\n string public symbol;\n uint256 public decimals;\n uint256 public constant MAX_MINT_AMOUNT = 10000000000000000000000;\n\n constructor (\n string _name,\n string _symbol,\n uint256 _decimals,\n uint256 _totalSupply\n )\n public\n {\n name = _name;\n symbol = _symbol;\n decimals = _decimals;\n _totalSupply = _totalSupply;\n balances[msg.sender] = _totalSupply;\n }\n\n /// @dev Sets the balance of target address\n /// @param _target Address or which balance will be updated\n /// @param _value New balance of target address\n function setBalance(address _target, uint256 _value)\n external\n onlyOwner\n {\n uint256 currBalance = balances[_target];\n if (_value < currBalance) {\n _totalSupply = safeSub(_totalSupply, safeSub(currBalance, _value));\n } else {\n _totalSupply = safeAdd(_totalSupply, safeSub(_value, currBalance));\n }\n balances[_target] = _value;\n }\n\n /// @dev Mints new tokens for sender\n /// @param _value Amount of tokens to mint\n function mint(uint256 _value)\n external\n {\n require(\n _value <= MAX_MINT_AMOUNT,\n \"VALUE_TOO_LARGE\"\n );\n\n _mint(msg.sender, _value);\n }\n}\n", + "2.0.0/test/DummyERC721Token/DummyERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../tokens/ERC721Token/MintableERC721Token.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract DummyERC721Token is\n Ownable,\n MintableERC721Token\n{\n string public name;\n string public symbol;\n\n constructor (\n string _name,\n string _symbol\n )\n public\n {\n name = _name;\n symbol = _symbol;\n }\n\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function mint(address _to, uint256 _tokenId)\n external\n {\n _mint(_to, _tokenId);\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist or not called by contract owner\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function burn(address _owner, uint256 _tokenId)\n external\n onlyOwner\n {\n _burn(_owner, _tokenId);\n }\n}\n", + "2.0.0/tokens/ERC20Token/ERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC20Token.sol\";\n\n\ncontract ERC20Token is\n IERC20Token\n{\n\n mapping (address => uint256) internal balances;\n mapping (address => mapping (address => uint256)) internal allowed;\n\n uint256 internal _totalSupply;\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool)\n {\n require(\n balances[msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[msg.sender] -= _value;\n balances[_to] += _value;\n\n emit Transfer(\n msg.sender,\n _to,\n _value\n );\n\n return true;\n }\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowed[_from][msg.sender] >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n allowed[_from][msg.sender] -= _value;\n \n emit Transfer(\n _from,\n _to,\n _value\n );\n \n return true;\n }\n\n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool)\n {\n allowed[msg.sender][_spender] = _value;\n emit Approval(\n msg.sender,\n _spender,\n _value\n );\n return true;\n }\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256)\n {\n return _totalSupply;\n }\n\n /// @dev Query the balance of owner\n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n return balances[_owner];\n }\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256)\n {\n return allowed[_owner][_spender];\n }\n}\n", + "2.0.0/tokens/ERC20Token/IERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n \n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n \n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", + "2.0.0/tokens/ERC20Token/MintableERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/SafeMath/SafeMath.sol\";\nimport \"./UnlimitedAllowanceERC20Token.sol\";\n\n\ncontract MintableERC20Token is \n SafeMath,\n UnlimitedAllowanceERC20Token\n{\n\n /// @dev Mints new tokens\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _value Amount of tokens to mint\n function _mint(address _to, uint256 _value)\n internal\n {\n balances[_to] = safeAdd(_value, balances[_to]);\n _totalSupply = safeAdd(_totalSupply, _value);\n\n emit Transfer(\n address(0),\n _to,\n _value\n );\n }\n\n /// @dev Mints new tokens\n /// @param _owner Owner of tokens that will be burned\n /// @param _value Amount of tokens to burn\n function _burn(address _owner, uint256 _value)\n internal\n {\n balances[_owner] = safeSub(balances[_owner], _value);\n _totalSupply = safeSub(_totalSupply, _value);\n\n emit Transfer(\n _owner,\n address(0),\n _value\n );\n }\n}\n", + "2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/ERC20Token.sol\";\n\n\ncontract UnlimitedAllowanceERC20Token is\n ERC20Token\n{\n\n uint256 constant internal MAX_UINT = 2**256 - 1;\n\n /// @dev ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited allowance. See https://github.com/ethereum/EIPs/issues/717\n /// @param _from Address to transfer from.\n /// @param _to Address to transfer to.\n /// @param _value Amount to transfer.\n /// @return Success of transfer.\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool)\n {\n uint256 allowance = allowed[_from][msg.sender];\n require(\n balances[_from] >= _value,\n \"ERC20_INSUFFICIENT_BALANCE\"\n );\n require(\n allowance >= _value,\n \"ERC20_INSUFFICIENT_ALLOWANCE\"\n );\n require(\n balances[_to] + _value >= balances[_to],\n \"UINT256_OVERFLOW\"\n );\n\n balances[_to] += _value;\n balances[_from] -= _value;\n if (allowance < MAX_UINT) {\n allowed[_from][msg.sender] -= _value;\n }\n\n emit Transfer(\n _from,\n _to,\n _value\n );\n\n return true;\n }\n}\n", + "2.0.0/tokens/ERC721Token/ERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC721Token.sol\";\nimport \"./IERC721Receiver.sol\";\nimport \"../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract ERC721Token is\n IERC721Token,\n SafeMath\n{\n // Function selector for ERC721Receiver.onERC721Received\n // 0x150b7a02\n bytes4 constant internal ERC721_RECEIVED = bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"));\n\n // Mapping of tokenId => owner\n mapping (uint256 => address) internal owners;\n\n // Mapping of tokenId => approved address\n mapping (uint256 => address) internal approvals;\n\n // Mapping of owner => number of tokens owned\n mapping (address => uint256) internal balances;\n\n // Mapping of owner => operator => approved\n mapping (address => mapping (address => bool)) internal operatorApprovals;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n _data\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external\n {\n transferFrom(\n _from,\n _to,\n _tokenId\n );\n\n uint256 receiverCodeSize;\n assembly {\n receiverCodeSize := extcodesize(_to)\n }\n if (receiverCodeSize > 0) {\n bytes4 selector = IERC721Receiver(_to).onERC721Received(\n msg.sender,\n _from,\n _tokenId,\n \"\"\n );\n require(\n selector == ERC721_RECEIVED,\n \"ERC721_INVALID_SELECTOR\"\n );\n }\n }\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external\n {\n address owner = ownerOf(_tokenId);\n require(\n msg.sender == owner || isApprovedForAll(owner, msg.sender),\n \"ERC721_INVALID_SENDER\"\n );\n\n approvals[_tokenId] = _approved;\n emit Approval(\n owner,\n _approved,\n _tokenId\n );\n }\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external\n {\n operatorApprovals[msg.sender][_operator] = _approved;\n emit ApprovalForAll(\n msg.sender,\n _operator,\n _approved\n );\n }\n \n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256)\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return balances[_owner];\n }\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = ownerOf(_tokenId);\n require(\n _from == owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n address spender = msg.sender;\n address approvedAddress = getApproved(_tokenId);\n require(\n spender == owner ||\n isApprovedForAll(owner, spender) ||\n approvedAddress == spender,\n \"ERC721_INVALID_SPENDER\"\n );\n\n if (approvedAddress != address(0)) {\n approvals[_tokenId] = address(0);\n }\n\n owners[_tokenId] = _to;\n balances[_from] = safeSub(balances[_from], 1);\n balances[_to] = safeAdd(balances[_to], 1);\n \n emit Transfer(\n _from,\n _to,\n _tokenId\n );\n }\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address)\n {\n address owner = owners[_tokenId];\n require(\n owner != address(0),\n \"ERC721_ZERO_OWNER\"\n );\n return owner;\n }\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId)\n public\n view\n returns (address)\n {\n return approvals[_tokenId];\n }\n\n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool)\n {\n return operatorApprovals[_owner][_operator];\n }\n}\n", + "2.0.0/tokens/ERC721Token/IERC721Receiver.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Receiver {\n\n /// @notice Handle the receipt of an NFT\n /// @dev The ERC721 smart contract calls this function on the recipient\n /// after a `transfer`. This function MAY throw to revert and reject the\n /// transfer. Return of other than the magic value MUST result in the\n /// transaction being reverted.\n /// Note: the contract address is always the message sender.\n /// @param _operator The address which called `safeTransferFrom` function\n /// @param _from The address which previously owned the token\n /// @param _tokenId The NFT identifier which is being transferred\n /// @param _data Additional data with no specified format\n /// @return `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`\n /// unless throwing\n function onERC721Received(\n address _operator,\n address _from,\n uint256 _tokenId,\n bytes _data\n )\n external\n returns (bytes4);\n}\n", + "2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Token {\n\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(\n address indexed _owner,\n address indexed _approved,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(\n address indexed _owner,\n address indexed _operator,\n bool _approved\n );\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// perator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external;\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public;\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address);\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) \n public\n view\n returns (address);\n \n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool);\n}\n", + "2.0.0/tokens/ERC721Token/MintableERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./ERC721Token.sol\";\n\n\ncontract MintableERC721Token is\n ERC721Token\n{\n\n /// @dev Function to mint a new token\n /// Reverts if the given token ID already exists\n /// @param _to Address of the beneficiary that will own the minted token\n /// @param _tokenId ID of the token to be minted by the msg.sender \n function _mint(address _to, uint256 _tokenId)\n internal\n {\n require(\n _to != address(0),\n \"ERC721_ZERO_TO_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == address(0),\n \"ERC721_OWNER_ALREADY_EXISTS\"\n );\n\n owners[_tokenId] = _to;\n balances[_to] = safeAdd(balances[_to], 1);\n\n emit Transfer(\n address(0),\n _to,\n _tokenId\n );\n }\n\n /// @dev Function to burn a token\n /// Reverts if the given token ID doesn't exist\n /// @param _owner Owner of token with given token ID\n /// @param _tokenId ID of the token to be burned by the msg.sender\n function _burn(address _owner, uint256 _tokenId)\n internal\n {\n require(\n _owner != address(0),\n \"ERC721_ZERO_OWNER_ADDRESS\"\n );\n\n address owner = owners[_tokenId];\n require(\n owner == _owner,\n \"ERC721_OWNER_MISMATCH\"\n );\n\n owners[_tokenId] = address(0);\n balances[_owner] = safeSub(balances[_owner], 1);\n\n emit Transfer(\n _owner,\n address(0),\n _tokenId\n );\n }\n}\n", + "2.0.0/tokens/EtherToken/IEtherToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/IERC20Token.sol\";\n\n\ncontract IEtherToken is\n IERC20Token\n{\n function deposit()\n public\n payable;\n \n function withdraw(uint256 amount)\n public;\n}\n", + "2.0.0/utils/LibBytes/LibBytes.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\nlibrary LibBytes {\n\n using LibBytes for bytes;\n\n /// @dev Gets the memory address for a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of byte array. This\n /// points to the header of the byte array which contains\n /// the length.\n function rawAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := input\n }\n return memoryAddress;\n }\n \n /// @dev Gets the memory address for the contents of a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of the contents of the byte array.\n function contentAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := add(input, 32)\n }\n return memoryAddress;\n }\n\n /// @dev Copies `length` bytes from memory location `source` to `dest`.\n /// @param dest memory address to copy bytes to.\n /// @param source memory address to copy bytes from.\n /// @param length number of bytes to copy.\n function memCopy(\n uint256 dest,\n uint256 source,\n uint256 length\n )\n internal\n pure\n {\n if (length < 32) {\n // Handle a partial word by reading destination and masking\n // off the bits we are interested in.\n // This correctly handles overlap, zero lengths and source == dest\n assembly {\n let mask := sub(exp(256, sub(32, length)), 1)\n let s := and(mload(source), not(mask))\n let d := and(mload(dest), mask)\n mstore(dest, or(s, d))\n }\n } else {\n // Skip the O(length) loop when source == dest.\n if (source == dest) {\n return;\n }\n\n // For large copies we copy whole words at a time. The final\n // word is aligned to the end of the range (instead of after the\n // previous) to handle partial words. So a copy will look like this:\n //\n // ####\n // ####\n // ####\n // ####\n //\n // We handle overlap in the source and destination range by\n // changing the copying direction. This prevents us from\n // overwriting parts of source that we still need to copy.\n //\n // This correctly handles source == dest\n //\n if (source > dest) {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because it\n // is easier to compare with in the loop, and these\n // are also the addresses we need for copying the\n // last bytes.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the last 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the last bytes in\n // source already due to overlap.\n let last := mload(sEnd)\n\n // Copy whole words front to back\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} lt(source, sEnd) {} {\n mstore(dest, mload(source))\n source := add(source, 32)\n dest := add(dest, 32)\n }\n \n // Write the last 32 bytes\n mstore(dEnd, last)\n }\n } else {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because those\n // are the starting points when copying a word at the end.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the first 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the first bytes in\n // source already due to overlap.\n let first := mload(source)\n\n // Copy whole words back to front\n // We use a signed comparisson here to allow dEnd to become\n // negative (happens when source and dest < 32). Valid\n // addresses in local memory will never be larger than\n // 2**255, so they can be safely re-interpreted as signed.\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} slt(dest, dEnd) {} {\n mstore(dEnd, mload(sEnd))\n sEnd := sub(sEnd, 32)\n dEnd := sub(dEnd, 32)\n }\n \n // Write the first 32 bytes\n mstore(dest, first)\n }\n }\n }\n }\n\n /// @dev Returns a slices from a byte array.\n /// @param b The byte array to take a slice from.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n function slice(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure and copy contents\n result = new bytes(to - from);\n memCopy(\n result.contentAddress(),\n b.contentAddress() + from,\n result.length);\n return result;\n }\n \n /// @dev Returns a slice from a byte array without preserving the input.\n /// @param b The byte array to take a slice from. Will be destroyed in the process.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n /// @dev When `from == 0`, the original array will match the slice. In other cases its state will be corrupted.\n function sliceDestructive(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure around [from, to) in-place.\n assembly {\n result := add(b, from)\n mstore(result, sub(to, from))\n }\n return result;\n }\n\n /// @dev Pops the last byte off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The byte that was popped off.\n function popLastByte(bytes memory b)\n internal\n pure\n returns (bytes1 result)\n {\n require(\n b.length > 0,\n \"GREATER_THAN_ZERO_LENGTH_REQUIRED\"\n );\n\n // Store last byte.\n result = b[b.length - 1];\n\n assembly {\n // Decrement length of byte array.\n let newLen := sub(mload(b), 1)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Pops the last 20 bytes off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The 20 byte address that was popped off.\n function popLast20Bytes(bytes memory b)\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= 20,\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Store last 20 bytes.\n result = readAddress(b, b.length - 20);\n\n assembly {\n // Subtract 20 from byte array length.\n let newLen := sub(mload(b), 20)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Tests equality of two byte arrays.\n /// @param lhs First byte array to compare.\n /// @param rhs Second byte array to compare.\n /// @return True if arrays are the same. False otherwise.\n function equals(\n bytes memory lhs,\n bytes memory rhs\n )\n internal\n pure\n returns (bool equal)\n {\n // Keccak gas cost is 30 + numWords * 6. This is a cheap way to compare.\n // We early exit on unequal lengths, but keccak would also correctly\n // handle this.\n return lhs.length == rhs.length && keccak256(lhs) == keccak256(rhs);\n }\n\n /// @dev Reads an address from a position in a byte array.\n /// @param b Byte array containing an address.\n /// @param index Index in byte array of address.\n /// @return address from byte array.\n function readAddress(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Read address from array memory\n assembly {\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 20-byte mask to obtain address\n result := and(mload(add(b, index)), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n return result;\n }\n\n /// @dev Writes an address into a specific position in a byte array.\n /// @param b Byte array to insert address into.\n /// @param index Index in byte array of address.\n /// @param input Address to put into byte array.\n function writeAddress(\n bytes memory b,\n uint256 index,\n address input\n )\n internal\n pure\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Store address into array memory\n assembly {\n // The address occupies 20 bytes and mstore stores 32 bytes.\n // First fetch the 32-byte word where we'll be storing the address, then\n // apply a mask so we have only the bytes in the word that the address will not occupy.\n // Then combine these bytes with the address and store the 32 bytes back to memory with mstore.\n\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 12-byte mask to obtain extra bytes occupying word of memory where we'll store the address\n let neighbors := and(\n mload(add(b, index)),\n 0xffffffffffffffffffffffff0000000000000000000000000000000000000000\n )\n \n // Make sure input address is clean.\n // (Solidity does not guarantee this)\n input := and(input, 0xffffffffffffffffffffffffffffffffffffffff)\n\n // Store the neighbors and address into memory\n mstore(add(b, index), xor(input, neighbors))\n }\n }\n\n /// @dev Reads a bytes32 value from a position in a byte array.\n /// @param b Byte array containing a bytes32 value.\n /// @param index Index in byte array of bytes32 value.\n /// @return bytes32 value from byte array.\n function readBytes32(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes32 result)\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n result := mload(add(b, index))\n }\n return result;\n }\n\n /// @dev Writes a bytes32 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes32 to put into byte array.\n function writeBytes32(\n bytes memory b,\n uint256 index,\n bytes32 input\n )\n internal\n pure\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n mstore(add(b, index), input)\n }\n }\n\n /// @dev Reads a uint256 value from a position in a byte array.\n /// @param b Byte array containing a uint256 value.\n /// @param index Index in byte array of uint256 value.\n /// @return uint256 value from byte array.\n function readUint256(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (uint256 result)\n {\n return uint256(readBytes32(b, index));\n }\n\n /// @dev Writes a uint256 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input uint256 to put into byte array.\n function writeUint256(\n bytes memory b,\n uint256 index,\n uint256 input\n )\n internal\n pure\n {\n writeBytes32(b, index, bytes32(input));\n }\n\n /// @dev Reads an unpadded bytes4 value from a position in a byte array.\n /// @param b Byte array containing a bytes4 value.\n /// @param index Index in byte array of bytes4 value.\n /// @return bytes4 value from byte array.\n function readBytes4(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes4 result)\n {\n require(\n b.length >= index + 4,\n \"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED\"\n );\n assembly {\n result := mload(add(b, 32))\n // Solidity does not require us to clean the trailing bytes.\n // We do it anyway\n result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)\n }\n return result;\n }\n\n /// @dev Reads nested bytes from a specific position.\n /// @dev NOTE: the returned value overlaps with the input value.\n /// Both should be treated as immutable.\n /// @param b Byte array containing nested bytes.\n /// @param index Index of nested bytes.\n /// @return result Nested bytes.\n function readBytesWithLength(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes memory result)\n {\n // Read length of nested bytes\n uint256 nestedBytesLength = readUint256(b, index);\n index += 32;\n\n // Assert length of is valid, given\n // length of nested bytes\n require(\n b.length >= index + nestedBytesLength,\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n \n // Return a pointer to the byte array as it exists inside `b`\n assembly {\n result := add(b, index)\n }\n return result;\n }\n\n /// @dev Inserts bytes at a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes to insert.\n function writeBytesWithLength(\n bytes memory b,\n uint256 index,\n bytes memory input\n )\n internal\n pure\n {\n // Assert length of is valid, given\n // length of input\n require(\n b.length >= index + 32 + input.length, // 32 bytes to store length\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n\n // Copy into \n memCopy(\n b.contentAddress() + index,\n input.rawAddress(), // includes length of \n input.length + 32 // +32 bytes to store length\n );\n }\n\n /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length.\n /// @param dest Byte array that will be overwritten with source bytes.\n /// @param source Byte array to copy onto dest bytes.\n function deepCopyBytes(\n bytes memory dest,\n bytes memory source\n )\n internal\n pure\n {\n uint256 sourceLen = source.length;\n // Dest length must be >= source length, or some bytes would not be copied.\n require(\n dest.length >= sourceLen,\n \"GREATER_OR_EQUAL_TO_SOURCE_BYTES_LENGTH_REQUIRED\"\n );\n memCopy(\n dest.contentAddress(),\n source.contentAddress(),\n sourceLen\n );\n }\n}\n", + "2.0.0/utils/Ownable/IOwnable.sol": "pragma solidity 0.4.24;\n\n/*\n * Ownable\n *\n * Base contract with an owner.\n * Provides onlyOwner modifier, which prevents function from running if it is called by anyone other than the owner.\n */\n\ncontract IOwnable {\n function transferOwnership(address newOwner)\n public;\n}\n", + "2.0.0/utils/Ownable/Ownable.sol": "pragma solidity 0.4.24;\n\n/*\n * Ownable\n *\n * Base contract with an owner.\n * Provides onlyOwner modifier, which prevents function from running if it is called by anyone other than the owner.\n */\n\nimport \"./IOwnable.sol\";\n\n\ncontract Ownable is IOwnable {\n address public owner;\n\n constructor ()\n public\n {\n owner = msg.sender;\n }\n\n modifier onlyOwner() {\n require(\n msg.sender == owner,\n \"ONLY_CONTRACT_OWNER\"\n );\n _;\n }\n\n function transferOwnership(address newOwner)\n public\n onlyOwner\n {\n if (newOwner != address(0)) {\n owner = newOwner;\n }\n }\n}\n", + "2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n function safeMul(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(\n c / a == b,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function safeDiv(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a / b;\n return c;\n }\n\n function safeSub(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n require(\n b <= a,\n \"UINT256_UNDERFLOW\"\n );\n return a - b;\n }\n\n function safeAdd(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a + b;\n require(\n c >= a,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function max64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n\n function max256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n}\n" + }, + "sourceTreeHashHex": "0x70b7d3c15ab87e6b4b1011d194282163232dfd88486038e4120d6bf245d58e44", + "compiler": { + "name": "solc", + "version": "soljson-v0.4.24+commit.e67f0147.js", + "settings": { + "optimizer": { + "enabled": true, + "runs": 1000000 + }, + "outputSelection": { + "*": { + "*": [ + "abi", + "evm.bytecode.object", + "evm.bytecode.sourceMap", + "evm.deployedBytecode.object", + "evm.deployedBytecode.sourceMap" + ] + } + } + } + }, + "networks": {} +} \ No newline at end of file diff --git a/packages/migrations/artifacts/2.0.0/OrderValidator.json b/packages/migrations/artifacts/2.0.0/OrderValidator.json new file mode 100644 index 000000000..c6af06d9c --- /dev/null +++ b/packages/migrations/artifacts/2.0.0/OrderValidator.json @@ -0,0 +1,858 @@ +{ + "schemaVersion": "2.0.0", + "contractName": "OrderValidator", + "compilerOutput": { + "abi": [ + { + "constant": true, + "inputs": [ + { + "components": [ + { + "name": "makerAddress", + "type": "address" + }, + { + "name": "takerAddress", + "type": "address" + }, + { + "name": "feeRecipientAddress", + "type": "address" + }, + { + "name": "senderAddress", + "type": "address" + }, + { + "name": "makerAssetAmount", + "type": "uint256" + }, + { + "name": "takerAssetAmount", + "type": "uint256" + }, + { + "name": "makerFee", + "type": "uint256" + }, + { + "name": "takerFee", + "type": "uint256" + }, + { + "name": "expirationTimeSeconds", + "type": "uint256" + }, + { + "name": "salt", + "type": "uint256" + }, + { + "name": "makerAssetData", + "type": "bytes" + }, + { + "name": "takerAssetData", + "type": "bytes" + } + ], + "name": "order", + "type": "tuple" + }, + { + "name": "takerAddress", + "type": "address" + } + ], + "name": "getOrderAndTraderInfo", + "outputs": [ + { + "components": [ + { + "name": "orderStatus", + "type": "uint8" + }, + { + "name": "orderHash", + "type": "bytes32" + }, + { + "name": "orderTakerAssetFilledAmount", + "type": "uint256" + } + ], + "name": "orderInfo", + "type": "tuple" + }, + { + "components": [ + { + "name": "makerBalance", + "type": "uint256" + }, + { + "name": "makerAllowance", + "type": "uint256" + }, + { + "name": "takerBalance", + "type": "uint256" + }, + { + "name": "takerAllowance", + "type": "uint256" + }, + { + "name": "makerZrxBalance", + "type": "uint256" + }, + { + "name": "makerZrxAllowance", + "type": "uint256" + }, + { + "name": "takerZrxBalance", + "type": "uint256" + }, + { + "name": "takerZrxAllowance", + "type": "uint256" + } + ], + "name": "traderInfo", + "type": "tuple" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "target", + "type": "address" + }, + { + "name": "assetData", + "type": "bytes" + } + ], + "name": "getBalanceAndAllowance", + "outputs": [ + { + "name": "balance", + "type": "uint256" + }, + { + "name": "allowance", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "components": [ + { + "name": "makerAddress", + "type": "address" + }, + { + "name": "takerAddress", + "type": "address" + }, + { + "name": "feeRecipientAddress", + "type": "address" + }, + { + "name": "senderAddress", + "type": "address" + }, + { + "name": "makerAssetAmount", + "type": "uint256" + }, + { + "name": "takerAssetAmount", + "type": "uint256" + }, + { + "name": "makerFee", + "type": "uint256" + }, + { + "name": "takerFee", + "type": "uint256" + }, + { + "name": "expirationTimeSeconds", + "type": "uint256" + }, + { + "name": "salt", + "type": "uint256" + }, + { + "name": "makerAssetData", + "type": "bytes" + }, + { + "name": "takerAssetData", + "type": "bytes" + } + ], + "name": "orders", + "type": "tuple[]" + }, + { + "name": "takerAddresses", + "type": "address[]" + } + ], + "name": "getOrdersAndTradersInfo", + "outputs": [ + { + "components": [ + { + "name": "orderStatus", + "type": "uint8" + }, + { + "name": "orderHash", + "type": "bytes32" + }, + { + "name": "orderTakerAssetFilledAmount", + "type": "uint256" + } + ], + "name": "ordersInfo", + "type": "tuple[]" + }, + { + "components": [ + { + "name": "makerBalance", + "type": "uint256" + }, + { + "name": "makerAllowance", + "type": "uint256" + }, + { + "name": "takerBalance", + "type": "uint256" + }, + { + "name": "takerAllowance", + "type": "uint256" + }, + { + "name": "makerZrxBalance", + "type": "uint256" + }, + { + "name": "makerZrxAllowance", + "type": "uint256" + }, + { + "name": "takerZrxBalance", + "type": "uint256" + }, + { + "name": "takerZrxAllowance", + "type": "uint256" + } + ], + "name": "tradersInfo", + "type": "tuple[]" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "components": [ + { + "name": "makerAddress", + "type": "address" + }, + { + "name": "takerAddress", + "type": "address" + }, + { + "name": "feeRecipientAddress", + "type": "address" + }, + { + "name": "senderAddress", + "type": "address" + }, + { + "name": "makerAssetAmount", + "type": "uint256" + }, + { + "name": "takerAssetAmount", + "type": "uint256" + }, + { + "name": "makerFee", + "type": "uint256" + }, + { + "name": "takerFee", + "type": "uint256" + }, + { + "name": "expirationTimeSeconds", + "type": "uint256" + }, + { + "name": "salt", + "type": "uint256" + }, + { + "name": "makerAssetData", + "type": "bytes" + }, + { + "name": "takerAssetData", + "type": "bytes" + } + ], + "name": "orders", + "type": "tuple[]" + }, + { + "name": "takerAddresses", + "type": "address[]" + } + ], + "name": "getTradersInfo", + "outputs": [ + { + "components": [ + { + "name": "makerBalance", + "type": "uint256" + }, + { + "name": "makerAllowance", + "type": "uint256" + }, + { + "name": "takerBalance", + "type": "uint256" + }, + { + "name": "takerAllowance", + "type": "uint256" + }, + { + "name": "makerZrxBalance", + "type": "uint256" + }, + { + "name": "makerZrxAllowance", + "type": "uint256" + }, + { + "name": "takerZrxBalance", + "type": "uint256" + }, + { + "name": "takerZrxAllowance", + "type": "uint256" + } + ], + "name": "", + "type": "tuple[]" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "token", + "type": "address" + }, + { + "name": "tokenId", + "type": "uint256" + } + ], + "name": "getERC721TokenOwner", + "outputs": [ + { + "name": "owner", + "type": "address" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "target", + "type": "address" + }, + { + "name": "assetData", + "type": "bytes[]" + } + ], + "name": "getBalancesAndAllowances", + "outputs": [ + { + "name": "", + "type": "uint256[]" + }, + { + "name": "", + "type": "uint256[]" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "components": [ + { + "name": "makerAddress", + "type": "address" + }, + { + "name": "takerAddress", + "type": "address" + }, + { + "name": "feeRecipientAddress", + "type": "address" + }, + { + "name": "senderAddress", + "type": "address" + }, + { + "name": "makerAssetAmount", + "type": "uint256" + }, + { + "name": "takerAssetAmount", + "type": "uint256" + }, + { + "name": "makerFee", + "type": "uint256" + }, + { + "name": "takerFee", + "type": "uint256" + }, + { + "name": "expirationTimeSeconds", + "type": "uint256" + }, + { + "name": "salt", + "type": "uint256" + }, + { + "name": "makerAssetData", + "type": "bytes" + }, + { + "name": "takerAssetData", + "type": "bytes" + } + ], + "name": "order", + "type": "tuple" + }, + { + "name": "takerAddress", + "type": "address" + } + ], + "name": "getTraderInfo", + "outputs": [ + { + "components": [ + { + "name": "makerBalance", + "type": "uint256" + }, + { + "name": "makerAllowance", + "type": "uint256" + }, + { + "name": "takerBalance", + "type": "uint256" + }, + { + "name": "takerAllowance", + "type": "uint256" + }, + { + "name": "makerZrxBalance", + "type": "uint256" + }, + { + "name": "makerZrxAllowance", + "type": "uint256" + }, + { + "name": "takerZrxBalance", + "type": "uint256" + }, + { + "name": "takerZrxAllowance", + "type": "uint256" + } + ], + "name": "traderInfo", + "type": "tuple" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "inputs": [ + { + "name": "_exchange", + "type": "address" + }, + { + "name": "_zrxAssetData", + "type": "bytes" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "constructor" + } + ], + "evm": { + "bytecode": { + "linkReferences": {}, + "object": 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0xE3 JUMPI DUP3 MLOAD DUP3 SSTORE SWAP2 PUSH1 0x20 ADD SWAP2 SWAP1 PUSH1 0x1 ADD SWAP1 PUSH3 0xC6 JUMP JUMPDEST POP PUSH3 0xF1 SWAP3 SWAP2 POP PUSH3 0xF5 JUMP JUMPDEST POP SWAP1 JUMP JUMPDEST PUSH3 0x112 SWAP2 SWAP1 JUMPDEST DUP1 DUP3 GT ISZERO PUSH3 0xF1 JUMPI PUSH1 0x0 DUP2 SSTORE PUSH1 0x1 ADD PUSH3 0xFC JUMP JUMPDEST SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH3 0x123 DUP3 MLOAD PUSH3 0x22C JUMP JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH3 0x13C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 MLOAD PUSH3 0x153 PUSH3 0x14D DUP3 PUSH3 0x204 JUMP JUMPDEST PUSH3 0x1DD JUMP JUMPDEST SWAP2 POP DUP1 DUP3 MSTORE PUSH1 0x20 DUP4 ADD PUSH1 0x20 DUP4 ADD DUP6 DUP4 DUP4 ADD GT ISZERO PUSH3 0x170 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH3 0x17D DUP4 DUP3 DUP5 PUSH3 0x238 JUMP JUMPDEST POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH3 0x19A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH3 0x1A8 DUP6 DUP6 PUSH3 0x115 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 DUP4 ADD MLOAD PUSH1 0x1 PUSH1 0x40 PUSH1 0x2 EXP SUB DUP2 GT ISZERO PUSH3 0x1C5 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH3 0x1D3 DUP6 DUP3 DUP7 ADD PUSH3 0x12A JUMP JUMPDEST SWAP2 POP POP SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x40 MLOAD DUP2 DUP2 ADD PUSH1 0x1 PUSH1 0x40 PUSH1 0x2 EXP SUB DUP2 GT DUP3 DUP3 LT OR ISZERO PUSH3 0x1FC JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x40 MSTORE SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1 PUSH1 0x40 PUSH1 0x2 EXP SUB DUP3 GT ISZERO PUSH3 0x21B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x20 PUSH1 0x1F SWAP2 SWAP1 SWAP2 ADD PUSH1 0x1F NOT AND ADD SWAP1 JUMP JUMPDEST PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB AND SWAP1 JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH3 0x255 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH3 0x23B JUMP JUMPDEST DUP4 DUP2 GT ISZERO PUSH3 0x265 JUMPI PUSH1 0x0 DUP5 DUP5 ADD MSTORE JUMPDEST POP POP POP POP JUMP JUMPDEST PUSH2 0x1ABF DUP1 PUSH3 0x27B PUSH1 0x0 CODECOPY PUSH1 0x0 RETURN STOP PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0x82 JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x4AD1E53 DUP2 EQ PUSH2 0x87 JUMPI DUP1 PUSH4 0x2CD0FC73 EQ PUSH2 0xBE JUMPI DUP1 PUSH4 0x4B95DE13 EQ PUSH2 0xEC JUMPI DUP1 PUSH4 0x690D3114 EQ PUSH2 0x11A JUMPI DUP1 PUSH4 0xB6988463 EQ PUSH2 0x147 JUMPI DUP1 PUSH4 0xC6B7F4EE EQ PUSH2 0x174 JUMPI DUP1 PUSH4 0xF241FFB0 EQ PUSH2 0x1A2 JUMPI JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x93 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xA7 PUSH2 0xA2 CALLDATASIZE PUSH1 0x4 PUSH2 0x12D3 JUMP JUMPDEST PUSH2 0x1CF JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xB5 SWAP3 SWAP2 SWAP1 PUSH2 0x18DC JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xCA JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xDE PUSH2 0xD9 CALLDATASIZE PUSH1 0x4 PUSH2 0x118B JUMP JUMPDEST PUSH2 0x29C JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xB5 SWAP3 SWAP2 SWAP1 PUSH2 0x1926 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xF8 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x10C PUSH2 0x107 CALLDATASIZE PUSH1 0x4 PUSH2 0x1238 JUMP JUMPDEST PUSH2 0x7CD JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xB5 SWAP3 SWAP2 SWAP1 PUSH2 0x1822 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x126 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x13A PUSH2 0x135 CALLDATASIZE PUSH1 0x4 PUSH2 0x1238 JUMP JUMPDEST PUSH2 0x8A4 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xB5 SWAP2 SWAP1 PUSH2 0x1858 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x153 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x167 PUSH2 0x162 CALLDATASIZE PUSH1 0x4 PUSH2 0x11D3 JUMP JUMPDEST PUSH2 0x95E JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xB5 SWAP2 SWAP1 PUSH2 0x17F9 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x180 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x194 PUSH2 0x18F CALLDATASIZE PUSH1 0x4 PUSH2 0x1139 JUMP JUMPDEST PUSH2 0x9A9 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xB5 SWAP3 SWAP2 SWAP1 PUSH2 0x1869 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1AE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1C2 PUSH2 0x1BD CALLDATASIZE PUSH1 0x4 PUSH2 0x12D3 JUMP JUMPDEST PUSH2 0xA86 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xB5 SWAP2 SWAP1 PUSH2 0x1909 JUMP JUMPDEST PUSH2 0x1D7 PUSH2 0xCD0 JUMP JUMPDEST PUSH2 0x1DF PUSH2 0xCF0 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0x40 MLOAD PUSH32 0xC75E0A8100000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP2 AND SWAP1 PUSH4 0xC75E0A81 SWAP1 PUSH2 0x235 SWAP1 DUP8 SWAP1 PUSH1 0x4 ADD PUSH2 0x18F8 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x24F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x263 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x287 SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x12B5 JUMP JUMPDEST SWAP2 POP PUSH2 0x293 DUP5 DUP5 PUSH2 0xA86 JUMP JUMPDEST SWAP1 POP SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 DUP1 DUP1 DUP1 DUP1 DUP1 PUSH2 0x2B5 DUP10 DUP3 PUSH4 0xFFFFFFFF PUSH2 0xBA4 AND JUMP JUMPDEST SWAP6 POP PUSH2 0x2C8 DUP10 PUSH1 0x10 PUSH4 0xFFFFFFFF PUSH2 0xC11 AND JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0x40 MLOAD PUSH32 0x6070410800000000000000000000000000000000000000000000000000000000 DUP2 MSTORE SWAP2 SWAP7 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 PUSH4 0x60704108 SWAP1 PUSH2 0x31F SWAP1 DUP10 SWAP1 PUSH1 0x4 ADD PUSH2 0x188E JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x339 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x34D JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x371 SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x1113 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x4552433230546F6B656E28616464726573732900000000000000000000000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x13 ADD SWAP1 KECCAK256 SWAP1 SWAP5 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP8 DUP2 AND SWAP2 AND EQ ISZERO PUSH2 0x526 JUMPI PUSH1 0x40 MLOAD PUSH32 0x70A0823100000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 AND SWAP1 PUSH4 0x70A08231 SWAP1 PUSH2 0x424 SWAP1 DUP14 SWAP1 PUSH1 0x4 ADD PUSH2 0x17F9 JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x43E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x452 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x476 SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x131A JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH32 0xDD62ED3E00000000000000000000000000000000000000000000000000000000 DUP2 MSTORE SWAP1 SWAP9 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 AND SWAP1 PUSH4 0xDD62ED3E SWAP1 PUSH2 0x4CD SWAP1 DUP14 SWAP1 DUP9 SWAP1 PUSH1 0x4 ADD PUSH2 0x1807 JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x4E7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x4FB JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x51F SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x131A JUMP JUMPDEST SWAP7 POP PUSH2 0x7C0 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x455243373231546F6B656E28616464726573732C75696E743235362900000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x1C ADD SWAP1 KECCAK256 PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP8 DUP2 AND SWAP2 AND EQ ISZERO PUSH2 0x785 JUMPI PUSH2 0x595 DUP10 PUSH1 0x24 PUSH4 0xFFFFFFFF PUSH2 0xC72 AND JUMP JUMPDEST SWAP3 POP PUSH2 0x5A1 DUP6 DUP5 PUSH2 0x95E JUMP JUMPDEST SWAP2 POP DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP11 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ PUSH2 0x5DD JUMPI PUSH1 0x0 PUSH2 0x5E0 JUMP JUMPDEST PUSH1 0x1 JUMPDEST PUSH1 0xFF AND SWAP8 POP DUP5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH4 0xE985E9C5 DUP12 DUP7 PUSH1 0x40 MLOAD DUP4 PUSH4 0xFFFFFFFF AND PUSH29 0x100000000000000000000000000000000000000000000000000000000 MUL DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x63C SWAP3 SWAP2 SWAP1 PUSH2 0x1807 JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x656 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x66A JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x68E SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x1297 JUMP JUMPDEST DUP1 PUSH2 0x76A JUMPI POP DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH4 0x81812FC DUP6 PUSH1 0x40 MLOAD DUP3 PUSH4 0xFFFFFFFF AND PUSH29 0x100000000000000000000000000000000000000000000000000000000 MUL DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x700 SWAP2 SWAP1 PUSH2 0x1918 JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x71A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x72E JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x752 SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x1113 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ JUMPDEST SWAP1 POP DUP1 PUSH2 0x778 JUMPI PUSH1 0x0 PUSH2 0x77B JUMP JUMPDEST PUSH1 0x1 JUMPDEST PUSH1 0xFF AND SWAP7 POP PUSH2 0x7C0 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x7B7 SWAP1 PUSH2 0x18AC JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST POP POP POP POP POP POP SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0x40 MLOAD PUSH32 0x7E9D74DC00000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x60 SWAP2 DUP3 SWAP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP2 AND SWAP1 PUSH4 0x7E9D74DC SWAP1 PUSH2 0x828 SWAP1 DUP8 SWAP1 PUSH1 0x4 ADD PUSH2 0x1847 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x842 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x856 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x0 DUP3 RETURNDATACOPY PUSH1 0x1F RETURNDATASIZE SWAP1 DUP2 ADD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 AND DUP3 ADD PUSH1 0x40 MSTORE PUSH2 0x89C SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x1203 JUMP JUMPDEST SWAP2 POP PUSH2 0x293 DUP5 DUP5 JUMPDEST PUSH1 0x60 PUSH1 0x0 PUSH1 0x60 PUSH1 0x0 DUP6 MLOAD SWAP3 POP DUP3 PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x8EA JUMPI DUP2 PUSH1 0x20 ADD JUMPDEST PUSH2 0x8D7 PUSH2 0xCF0 JUMP JUMPDEST DUP2 MSTORE PUSH1 0x20 ADD SWAP1 PUSH1 0x1 SWAP1 SUB SWAP1 DUP2 PUSH2 0x8CF JUMPI SWAP1 POP JUMPDEST POP SWAP2 POP PUSH1 0x0 SWAP1 POP JUMPDEST DUP1 DUP4 EQ PUSH2 0x951 JUMPI PUSH2 0x931 DUP7 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x90A JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP7 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x922 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0xA86 JUMP JUMPDEST DUP3 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x93F JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MSTORE PUSH1 0x1 ADD PUSH2 0x8F2 JUMP JUMPDEST DUP2 SWAP4 POP JUMPDEST POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x40 MLOAD PUSH32 0x6352211E00000000000000000000000000000000000000000000000000000000 DUP2 MSTORE DUP3 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x20 DUP2 PUSH1 0x24 DUP4 DUP8 GAS STATICCALL DUP1 ISZERO PUSH2 0x9A0 JUMPI DUP2 MLOAD SWAP3 POP JUMPDEST POP POP JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x0 PUSH1 0x60 DUP1 PUSH1 0x0 DUP7 MLOAD SWAP4 POP DUP4 PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x9E1 JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP3 POP DUP4 PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0xA0E JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP2 POP PUSH1 0x0 SWAP1 POP JUMPDEST DUP1 DUP5 EQ PUSH2 0xA79 JUMPI PUSH2 0xA3E DUP9 DUP9 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA2F JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x29C JUMP JUMPDEST DUP5 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA4C JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD DUP5 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA63 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD SWAP2 SWAP1 SWAP2 MSTORE MSTORE PUSH1 0x1 ADD PUSH2 0xA16 JUMP JUMPDEST POP SWAP1 SWAP7 SWAP1 SWAP6 POP SWAP4 POP POP POP POP JUMP JUMPDEST PUSH2 0xA8E PUSH2 0xCF0 JUMP JUMPDEST PUSH1 0x60 PUSH2 0xAA3 DUP5 PUSH1 0x0 ADD MLOAD DUP6 PUSH2 0x140 ADD MLOAD PUSH2 0x29C JUMP JUMPDEST PUSH1 0x20 DUP5 ADD MSTORE DUP3 MSTORE PUSH2 0x160 DUP5 ADD MLOAD PUSH2 0xABB SWAP1 DUP5 SWAP1 PUSH2 0x29C JUMP JUMPDEST PUSH1 0x60 DUP5 ADD MSTORE PUSH1 0x40 DUP1 DUP5 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0x1 DUP1 SLOAD DUP3 MLOAD PUSH1 0x20 PUSH1 0x1F PUSH1 0x2 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH2 0x100 DUP7 DUP9 AND ISZERO MUL ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV SWAP3 DUP4 ADD DUP2 SWAP1 DIV DUP2 MUL DUP3 ADD DUP2 ADD SWAP1 SWAP5 MSTORE DUP2 DUP2 MSTORE SWAP3 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0xB6A JUMPI DUP1 PUSH1 0x1F LT PUSH2 0xB3F JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0xB6A JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0xB4D JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP SWAP1 POP PUSH2 0xB7F DUP5 PUSH1 0x0 ADD MLOAD DUP3 PUSH2 0x29C JUMP JUMPDEST PUSH1 0xA0 DUP5 ADD MSTORE PUSH1 0x80 DUP4 ADD MSTORE PUSH2 0xB93 DUP4 DUP3 PUSH2 0x29C JUMP JUMPDEST PUSH1 0xE0 DUP5 ADD MSTORE PUSH1 0xC0 DUP4 ADD MSTORE POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x4 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0xBE6 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x7B7 SWAP1 PUSH2 0x18CC JUMP JUMPDEST POP ADD PUSH1 0x20 ADD MLOAD PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x14 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0xC53 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x7B7 SWAP1 PUSH2 0x18BC JUMP JUMPDEST POP ADD PUSH1 0x14 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP4 DUP4 PUSH2 0xC85 JUMP JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x20 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0xCC7 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x7B7 SWAP1 PUSH2 0x189C JUMP JUMPDEST POP ADD PUSH1 0x20 ADD MLOAD SWAP1 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x60 DUP2 ADD DUP3 MSTORE PUSH1 0x0 DUP1 DUP3 MSTORE PUSH1 0x20 DUP3 ADD DUP2 SWAP1 MSTORE SWAP2 DUP2 ADD SWAP2 SWAP1 SWAP2 MSTORE SWAP1 JUMP JUMPDEST PUSH2 0x100 PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE POP SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP3 CALLDATALOAD PUSH2 0x19D9 JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP3 MLOAD PUSH2 0x19D9 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0xD5F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0xD72 PUSH2 0xD6D DUP3 PUSH2 0x1968 JUMP JUMPDEST PUSH2 0x1941 JUMP JUMPDEST SWAP2 POP DUP2 DUP2 DUP4 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH1 0x20 DUP2 ADD SWAP1 POP DUP4 DUP6 PUSH1 0x20 DUP5 MUL DUP3 ADD GT ISZERO PUSH2 0xD97 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0xDC3 JUMPI DUP2 PUSH2 0xDAD DUP9 DUP3 PUSH2 0xD36 JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0xD9A JUMP JUMPDEST POP POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0xDDE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0xDEC PUSH2 0xD6D DUP3 PUSH2 0x1968 JUMP JUMPDEST DUP2 DUP2 MSTORE PUSH1 0x20 SWAP4 DUP5 ADD SWAP4 SWAP1 SWAP3 POP DUP3 ADD DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0xDC3 JUMPI DUP2 CALLDATALOAD DUP7 ADD PUSH2 0xE14 DUP9 DUP3 PUSH2 0xF11 JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0xDFE JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0xE3B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 MLOAD PUSH2 0xE49 PUSH2 0xD6D DUP3 PUSH2 0x1968 JUMP JUMPDEST SWAP2 POP DUP2 DUP2 DUP4 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH1 0x20 DUP2 ADD SWAP1 POP DUP4 DUP6 PUSH1 0x60 DUP5 MUL DUP3 ADD GT ISZERO PUSH2 0xE6E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0xDC3 JUMPI DUP2 PUSH2 0xE84 DUP9 DUP3 PUSH2 0xF57 JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x60 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0xE71 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0xEAD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0xEBB PUSH2 0xD6D DUP3 PUSH2 0x1968 JUMP JUMPDEST DUP2 DUP2 MSTORE PUSH1 0x20 SWAP4 DUP5 ADD SWAP4 SWAP1 SWAP3 POP DUP3 ADD DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0xDC3 JUMPI DUP2 CALLDATALOAD DUP7 ADD PUSH2 0xEE3 DUP9 DUP3 PUSH2 0xFB2 JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0xECD JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP3 MLOAD PUSH2 0x1A20 JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP3 MLOAD PUSH2 0x19F2 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0xF22 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0xF30 PUSH2 0xD6D DUP3 PUSH2 0x1989 JUMP JUMPDEST SWAP2 POP DUP1 DUP3 MSTORE PUSH1 0x20 DUP4 ADD PUSH1 0x20 DUP4 ADD DUP6 DUP4 DUP4 ADD GT ISZERO PUSH2 0xF4C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x955 DUP4 DUP3 DUP5 PUSH2 0x1A25 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x60 DUP3 DUP5 SUB SLT ISZERO PUSH2 0xF69 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0xF73 PUSH1 0x60 PUSH2 0x1941 JUMP JUMPDEST SWAP1 POP PUSH1 0x0 PUSH2 0xF81 DUP5 DUP5 PUSH2 0x1107 JUMP JUMPDEST DUP3 MSTORE POP PUSH1 0x20 PUSH2 0xF92 DUP5 DUP5 DUP4 ADD PUSH2 0xF05 JUMP JUMPDEST PUSH1 0x20 DUP4 ADD MSTORE POP PUSH1 0x40 PUSH2 0xFA6 DUP5 DUP3 DUP6 ADD PUSH2 0xF05 JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MSTORE POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x180 DUP3 DUP5 SUB SLT ISZERO PUSH2 0xFC5 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0xFD0 PUSH2 0x180 PUSH2 0x1941 JUMP JUMPDEST SWAP1 POP PUSH1 0x0 PUSH2 0xFDE DUP5 DUP5 PUSH2 0xD36 JUMP JUMPDEST DUP3 MSTORE POP PUSH1 0x20 PUSH2 0xFEF DUP5 DUP5 DUP4 ADD PUSH2 0xD36 JUMP JUMPDEST PUSH1 0x20 DUP4 ADD MSTORE POP PUSH1 0x40 PUSH2 0x1003 DUP5 DUP3 DUP6 ADD PUSH2 0xD36 JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MSTORE POP PUSH1 0x60 PUSH2 0x1017 DUP5 DUP3 DUP6 ADD PUSH2 0xD36 JUMP JUMPDEST PUSH1 0x60 DUP4 ADD MSTORE POP PUSH1 0x80 PUSH2 0x102B DUP5 DUP3 DUP6 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH1 0x80 DUP4 ADD MSTORE POP PUSH1 0xA0 PUSH2 0x103F DUP5 DUP3 DUP6 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH1 0xA0 DUP4 ADD MSTORE POP PUSH1 0xC0 PUSH2 0x1053 DUP5 DUP3 DUP6 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH1 0xC0 DUP4 ADD MSTORE POP PUSH1 0xE0 PUSH2 0x1067 DUP5 DUP3 DUP6 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH1 0xE0 DUP4 ADD MSTORE POP PUSH2 0x100 PUSH2 0x107C DUP5 DUP3 DUP6 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH2 0x100 DUP4 ADD MSTORE POP PUSH2 0x120 PUSH2 0x1092 DUP5 DUP3 DUP6 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH2 0x120 DUP4 ADD MSTORE POP PUSH2 0x140 DUP3 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x10B4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x10C0 DUP5 DUP3 DUP6 ADD PUSH2 0xF11 JUMP JUMPDEST PUSH2 0x140 DUP4 ADD MSTORE POP PUSH2 0x160 DUP3 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x10E2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x10EE DUP5 DUP3 DUP6 ADD PUSH2 0xF11 JUMP JUMPDEST PUSH2 0x160 DUP4 ADD MSTORE POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP3 CALLDATALOAD PUSH2 0x19F2 JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP3 MLOAD PUSH2 0x1A1A JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x1125 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x1131 DUP5 DUP5 PUSH2 0xD42 JUMP JUMPDEST SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x114C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x1158 DUP6 DUP6 PUSH2 0xD36 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 DUP4 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1175 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1181 DUP6 DUP3 DUP7 ADD PUSH2 0xDCD JUMP JUMPDEST SWAP2 POP POP SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x119E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x11AA DUP6 DUP6 PUSH2 0xD36 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 DUP4 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x11C7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1181 DUP6 DUP3 DUP7 ADD PUSH2 0xF11 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x11E6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x11F2 DUP6 DUP6 PUSH2 0xD36 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 PUSH2 0x1181 DUP6 DUP3 DUP7 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x1215 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 MLOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x122C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1131 DUP5 DUP3 DUP6 ADD PUSH2 0xE2A JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x124B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP3 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1262 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x126E DUP6 DUP3 DUP7 ADD PUSH2 0xE9C JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 DUP4 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x128B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1181 DUP6 DUP3 DUP7 ADD PUSH2 0xD4E JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x12A9 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x1131 DUP5 DUP5 PUSH2 0xEF9 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x60 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x12C7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x1131 DUP5 DUP5 PUSH2 0xF57 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x12E6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP3 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x12FD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1309 DUP6 DUP3 DUP7 ADD PUSH2 0xFB2 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 PUSH2 0x1181 DUP6 DUP3 DUP7 ADD PUSH2 0xD36 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x132C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x1131 DUP5 DUP5 PUSH2 0xF05 JUMP JUMPDEST PUSH2 0x1341 DUP2 PUSH2 0x19D9 JUMP JUMPDEST DUP3 MSTORE POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x1352 DUP3 PUSH2 0x19D5 JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH2 0x1364 DUP4 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP3 DUP2 LT ISZERO PUSH2 0x1394 JUMPI PUSH2 0x137A DUP7 DUP4 MLOAD PUSH2 0x1619 JUMP JUMPDEST PUSH2 0x1383 DUP3 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x60 SWAP7 SWAP1 SWAP7 ADD SWAP6 SWAP2 POP PUSH1 0x1 ADD PUSH2 0x1367 JUMP JUMPDEST POP SWAP4 SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x13A9 DUP3 PUSH2 0x19D5 JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP DUP4 PUSH1 0x20 DUP3 MUL DUP6 ADD PUSH2 0x13C2 DUP6 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP5 DUP2 LT ISZERO PUSH2 0x13F9 JUMPI DUP4 DUP4 SUB DUP9 MSTORE PUSH2 0x13DD DUP4 DUP4 MLOAD PUSH2 0x1656 JUMP JUMPDEST SWAP3 POP PUSH2 0x13E8 DUP3 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x20 SWAP9 SWAP1 SWAP9 ADD SWAP8 SWAP2 POP PUSH1 0x1 ADD PUSH2 0x13C5 JUMP JUMPDEST POP SWAP1 SWAP7 SWAP6 POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x1410 DUP3 PUSH2 0x19D5 JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH2 0x1422 DUP4 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP3 DUP2 LT ISZERO PUSH2 0x1394 JUMPI PUSH2 0x1438 DUP7 DUP4 MLOAD PUSH2 0x1759 JUMP JUMPDEST PUSH2 0x1441 DUP3 PUSH2 0x19CF JUMP JUMPDEST PUSH2 0x100 SWAP7 SWAP1 SWAP7 ADD SWAP6 SWAP2 POP PUSH1 0x1 ADD PUSH2 0x1425 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x145E DUP3 PUSH2 0x19D5 JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH2 0x1470 DUP4 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP3 DUP2 LT ISZERO PUSH2 0x1394 JUMPI PUSH2 0x1486 DUP7 DUP4 MLOAD PUSH2 0x14A0 JUMP JUMPDEST PUSH2 0x148F DUP3 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x20 SWAP7 SWAP1 SWAP7 ADD SWAP6 SWAP2 POP PUSH1 0x1 ADD PUSH2 0x1473 JUMP JUMPDEST PUSH2 0x1341 DUP2 PUSH2 0x19F2 JUMP JUMPDEST PUSH2 0x1341 DUP2 PUSH2 0x19F5 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x14BD DUP3 PUSH2 0x19D5 JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH2 0x14D1 DUP2 PUSH1 0x20 DUP7 ADD PUSH1 0x20 DUP7 ADD PUSH2 0x1A31 JUMP JUMPDEST PUSH2 0x14DA DUP2 PUSH2 0x1A5D JUMP JUMPDEST SWAP1 SWAP4 ADD PUSH1 0x20 ADD SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x26 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F33325F4C454E4754485F5245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5155495245440000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x17 DUP2 MSTORE PUSH32 0x554E535550504F525445445F41535345545F50524F5859000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x26 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F32305F4C454E4754485F5245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5155495245440000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x25 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F345F4C454E4754485F524551 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5549524544000000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST DUP1 MLOAD PUSH1 0x60 DUP4 ADD SWAP1 PUSH2 0x162A DUP5 DUP3 PUSH2 0x17F0 JUMP JUMPDEST POP PUSH1 0x20 DUP3 ADD MLOAD PUSH2 0x163D PUSH1 0x20 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0x40 DUP3 ADD MLOAD PUSH2 0x1650 PUSH1 0x40 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP POP POP POP JUMP JUMPDEST DUP1 MLOAD PUSH1 0x0 SWAP1 PUSH2 0x180 DUP5 ADD SWAP1 PUSH2 0x166B DUP6 DUP3 PUSH2 0x1338 JUMP JUMPDEST POP PUSH1 0x20 DUP4 ADD MLOAD PUSH2 0x167E PUSH1 0x20 DUP7 ADD DUP3 PUSH2 0x1338 JUMP JUMPDEST POP PUSH1 0x40 DUP4 ADD MLOAD PUSH2 0x1691 PUSH1 0x40 DUP7 ADD DUP3 PUSH2 0x1338 JUMP JUMPDEST POP PUSH1 0x60 DUP4 ADD MLOAD PUSH2 0x16A4 PUSH1 0x60 DUP7 ADD DUP3 PUSH2 0x1338 JUMP JUMPDEST POP PUSH1 0x80 DUP4 ADD MLOAD PUSH2 0x16B7 PUSH1 0x80 DUP7 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0xA0 DUP4 ADD MLOAD PUSH2 0x16CA PUSH1 0xA0 DUP7 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0xC0 DUP4 ADD MLOAD PUSH2 0x16DD PUSH1 0xC0 DUP7 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0xE0 DUP4 ADD MLOAD PUSH2 0x16F0 PUSH1 0xE0 DUP7 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH2 0x100 DUP4 ADD MLOAD PUSH2 0x1705 PUSH2 0x100 DUP7 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH2 0x120 DUP4 ADD MLOAD PUSH2 0x171A PUSH2 0x120 DUP7 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH2 0x140 DUP4 ADD MLOAD DUP5 DUP3 SUB PUSH2 0x140 DUP7 ADD MSTORE PUSH2 0x1734 DUP3 DUP3 PUSH2 0x14B2 JUMP JUMPDEST SWAP2 POP POP PUSH2 0x160 DUP4 ADD MLOAD DUP5 DUP3 SUB PUSH2 0x160 DUP7 ADD MSTORE PUSH2 0x1750 DUP3 DUP3 PUSH2 0x14B2 JUMP JUMPDEST SWAP6 SWAP5 POP POP POP POP POP JUMP JUMPDEST DUP1 MLOAD PUSH2 0x100 DUP4 ADD SWAP1 PUSH2 0x176B DUP5 DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0x20 DUP3 ADD MLOAD PUSH2 0x177E PUSH1 0x20 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0x40 DUP3 ADD MLOAD PUSH2 0x1791 PUSH1 0x40 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0x60 DUP3 ADD MLOAD PUSH2 0x17A4 PUSH1 0x60 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0x80 DUP3 ADD MLOAD PUSH2 0x17B7 PUSH1 0x80 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0xA0 DUP3 ADD MLOAD PUSH2 0x17CA PUSH1 0xA0 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0xC0 DUP3 ADD MLOAD PUSH2 0x17DD PUSH1 0xC0 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0xE0 DUP3 ADD MLOAD PUSH2 0x1650 PUSH1 0xE0 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST PUSH2 0x1341 DUP2 PUSH2 0x1A1A JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x9A3 DUP3 DUP5 PUSH2 0x1338 JUMP JUMPDEST PUSH1 0x40 DUP2 ADD PUSH2 0x1815 DUP3 DUP6 PUSH2 0x1338 JUMP JUMPDEST PUSH2 0xC7E PUSH1 0x20 DUP4 ADD DUP5 PUSH2 0x1338 JUMP JUMPDEST PUSH1 0x40 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x1833 DUP2 DUP6 PUSH2 0x1347 JUMP JUMPDEST SWAP1 POP DUP2 DUP2 SUB PUSH1 0x20 DUP4 ADD MSTORE PUSH2 0x1131 DUP2 DUP5 PUSH2 0x1405 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0xC7E DUP2 DUP5 PUSH2 0x139E JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0xC7E DUP2 DUP5 PUSH2 0x1405 JUMP JUMPDEST PUSH1 0x40 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x187A DUP2 DUP6 PUSH2 0x1453 JUMP JUMPDEST SWAP1 POP DUP2 DUP2 SUB PUSH1 0x20 DUP4 ADD MSTORE PUSH2 0x1131 DUP2 DUP5 PUSH2 0x1453 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x9A3 DUP3 DUP5 PUSH2 0x14A9 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x9A3 DUP2 PUSH2 0x14E7 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x9A3 DUP2 PUSH2 0x153D JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x9A3 DUP2 PUSH2 0x156D JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x9A3 DUP2 PUSH2 0x15C3 JUMP JUMPDEST PUSH2 0x160 DUP2 ADD PUSH2 0x18EB DUP3 DUP6 PUSH2 0x1619 JUMP JUMPDEST PUSH2 0xC7E PUSH1 0x60 DUP4 ADD DUP5 PUSH2 0x1759 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0xC7E DUP2 DUP5 PUSH2 0x1656 JUMP JUMPDEST PUSH2 0x100 DUP2 ADD PUSH2 0x9A3 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JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xB5 SWAP3 SWAP2 SWAP1 PUSH2 0x1926 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xF8 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x10C PUSH2 0x107 CALLDATASIZE PUSH1 0x4 PUSH2 0x1238 JUMP JUMPDEST PUSH2 0x7CD JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xB5 SWAP3 SWAP2 SWAP1 PUSH2 0x1822 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x126 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x13A PUSH2 0x135 CALLDATASIZE PUSH1 0x4 PUSH2 0x1238 JUMP JUMPDEST PUSH2 0x8A4 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xB5 SWAP2 SWAP1 PUSH2 0x1858 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x153 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x167 PUSH2 0x162 CALLDATASIZE PUSH1 0x4 PUSH2 0x11D3 JUMP JUMPDEST PUSH2 0x95E JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xB5 SWAP2 SWAP1 PUSH2 0x17F9 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x180 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x194 PUSH2 0x18F CALLDATASIZE PUSH1 0x4 PUSH2 0x1139 JUMP JUMPDEST PUSH2 0x9A9 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xB5 SWAP3 SWAP2 SWAP1 PUSH2 0x1869 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1AE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1C2 PUSH2 0x1BD CALLDATASIZE PUSH1 0x4 PUSH2 0x12D3 JUMP JUMPDEST PUSH2 0xA86 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH2 0xB5 SWAP2 SWAP1 PUSH2 0x1909 JUMP JUMPDEST PUSH2 0x1D7 PUSH2 0xCD0 JUMP JUMPDEST PUSH2 0x1DF PUSH2 0xCF0 JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0x40 MLOAD PUSH32 0xC75E0A8100000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP2 AND SWAP1 PUSH4 0xC75E0A81 SWAP1 PUSH2 0x235 SWAP1 DUP8 SWAP1 PUSH1 0x4 ADD PUSH2 0x18F8 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x24F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x263 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x287 SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x12B5 JUMP JUMPDEST SWAP2 POP PUSH2 0x293 DUP5 DUP5 PUSH2 0xA86 JUMP JUMPDEST SWAP1 POP SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 DUP1 DUP1 DUP1 DUP1 DUP1 PUSH2 0x2B5 DUP10 DUP3 PUSH4 0xFFFFFFFF PUSH2 0xBA4 AND JUMP JUMPDEST SWAP6 POP PUSH2 0x2C8 DUP10 PUSH1 0x10 PUSH4 0xFFFFFFFF PUSH2 0xC11 AND JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0x40 MLOAD PUSH32 0x6070410800000000000000000000000000000000000000000000000000000000 DUP2 MSTORE SWAP2 SWAP7 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 PUSH4 0x60704108 SWAP1 PUSH2 0x31F SWAP1 DUP10 SWAP1 PUSH1 0x4 ADD PUSH2 0x188E JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x339 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x34D JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x371 SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x1113 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x4552433230546F6B656E28616464726573732900000000000000000000000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x13 ADD SWAP1 KECCAK256 SWAP1 SWAP5 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP8 DUP2 AND SWAP2 AND EQ ISZERO PUSH2 0x526 JUMPI PUSH1 0x40 MLOAD PUSH32 0x70A0823100000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 AND SWAP1 PUSH4 0x70A08231 SWAP1 PUSH2 0x424 SWAP1 DUP14 SWAP1 PUSH1 0x4 ADD PUSH2 0x17F9 JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x43E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x452 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x476 SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x131A JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH32 0xDD62ED3E00000000000000000000000000000000000000000000000000000000 DUP2 MSTORE SWAP1 SWAP9 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 AND SWAP1 PUSH4 0xDD62ED3E SWAP1 PUSH2 0x4CD SWAP1 DUP14 SWAP1 DUP9 SWAP1 PUSH1 0x4 ADD PUSH2 0x1807 JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x4E7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x4FB JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x51F SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x131A JUMP JUMPDEST SWAP7 POP PUSH2 0x7C0 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x455243373231546F6B656E28616464726573732C75696E743235362900000000 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x1C ADD SWAP1 KECCAK256 PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP8 DUP2 AND SWAP2 AND EQ ISZERO PUSH2 0x785 JUMPI PUSH2 0x595 DUP10 PUSH1 0x24 PUSH4 0xFFFFFFFF PUSH2 0xC72 AND JUMP JUMPDEST SWAP3 POP PUSH2 0x5A1 DUP6 DUP5 PUSH2 0x95E JUMP JUMPDEST SWAP2 POP DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP11 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ PUSH2 0x5DD JUMPI PUSH1 0x0 PUSH2 0x5E0 JUMP JUMPDEST PUSH1 0x1 JUMPDEST PUSH1 0xFF AND SWAP8 POP DUP5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH4 0xE985E9C5 DUP12 DUP7 PUSH1 0x40 MLOAD DUP4 PUSH4 0xFFFFFFFF AND PUSH29 0x100000000000000000000000000000000000000000000000000000000 MUL DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x63C SWAP3 SWAP2 SWAP1 PUSH2 0x1807 JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x656 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x66A JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x68E SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x1297 JUMP JUMPDEST DUP1 PUSH2 0x76A JUMPI POP DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH4 0x81812FC DUP6 PUSH1 0x40 MLOAD DUP3 PUSH4 0xFFFFFFFF AND PUSH29 0x100000000000000000000000000000000000000000000000000000000 MUL DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x700 SWAP2 SWAP1 PUSH2 0x1918 JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x71A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x72E JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND DUP3 ADD DUP1 PUSH1 0x40 MSTORE POP PUSH2 0x752 SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x1113 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ JUMPDEST SWAP1 POP DUP1 PUSH2 0x778 JUMPI PUSH1 0x0 PUSH2 0x77B JUMP JUMPDEST PUSH1 0x1 JUMPDEST PUSH1 0xFF AND SWAP7 POP PUSH2 0x7C0 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x7B7 SWAP1 PUSH2 0x18AC JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 REVERT JUMPDEST POP POP POP POP POP POP SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 SLOAD PUSH1 0x40 MLOAD PUSH32 0x7E9D74DC00000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x60 SWAP2 DUP3 SWAP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP2 AND SWAP1 PUSH4 0x7E9D74DC SWAP1 PUSH2 0x828 SWAP1 DUP8 SWAP1 PUSH1 0x4 ADD PUSH2 0x1847 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x842 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x856 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x0 DUP3 RETURNDATACOPY PUSH1 0x1F RETURNDATASIZE SWAP1 DUP2 ADD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 AND DUP3 ADD PUSH1 0x40 MSTORE PUSH2 0x89C SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x1203 JUMP JUMPDEST SWAP2 POP PUSH2 0x293 DUP5 DUP5 JUMPDEST PUSH1 0x60 PUSH1 0x0 PUSH1 0x60 PUSH1 0x0 DUP6 MLOAD SWAP3 POP DUP3 PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x8EA JUMPI DUP2 PUSH1 0x20 ADD JUMPDEST PUSH2 0x8D7 PUSH2 0xCF0 JUMP JUMPDEST DUP2 MSTORE PUSH1 0x20 ADD SWAP1 PUSH1 0x1 SWAP1 SUB SWAP1 DUP2 PUSH2 0x8CF JUMPI SWAP1 POP JUMPDEST POP SWAP2 POP PUSH1 0x0 SWAP1 POP JUMPDEST DUP1 DUP4 EQ PUSH2 0x951 JUMPI PUSH2 0x931 DUP7 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x90A JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP7 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x922 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0xA86 JUMP JUMPDEST DUP3 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x93F JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MSTORE PUSH1 0x1 ADD PUSH2 0x8F2 JUMP JUMPDEST DUP2 SWAP4 POP JUMPDEST POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x40 MLOAD PUSH32 0x6352211E00000000000000000000000000000000000000000000000000000000 DUP2 MSTORE DUP3 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x20 DUP2 PUSH1 0x24 DUP4 DUP8 GAS STATICCALL DUP1 ISZERO PUSH2 0x9A0 JUMPI DUP2 MLOAD SWAP3 POP JUMPDEST POP POP JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x0 PUSH1 0x60 DUP1 PUSH1 0x0 DUP7 MLOAD SWAP4 POP DUP4 PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x9E1 JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP3 POP DUP4 PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0xA0E JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP2 POP PUSH1 0x0 SWAP1 POP JUMPDEST DUP1 DUP5 EQ PUSH2 0xA79 JUMPI PUSH2 0xA3E DUP9 DUP9 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA2F JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH2 0x29C JUMP JUMPDEST DUP5 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA4C JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD DUP5 DUP5 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xA63 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD SWAP2 SWAP1 SWAP2 MSTORE MSTORE PUSH1 0x1 ADD PUSH2 0xA16 JUMP JUMPDEST POP SWAP1 SWAP7 SWAP1 SWAP6 POP SWAP4 POP POP POP POP JUMP JUMPDEST PUSH2 0xA8E PUSH2 0xCF0 JUMP JUMPDEST PUSH1 0x60 PUSH2 0xAA3 DUP5 PUSH1 0x0 ADD MLOAD DUP6 PUSH2 0x140 ADD MLOAD PUSH2 0x29C JUMP JUMPDEST PUSH1 0x20 DUP5 ADD MSTORE DUP3 MSTORE PUSH2 0x160 DUP5 ADD MLOAD PUSH2 0xABB SWAP1 DUP5 SWAP1 PUSH2 0x29C JUMP JUMPDEST PUSH1 0x60 DUP5 ADD MSTORE PUSH1 0x40 DUP1 DUP5 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0x1 DUP1 SLOAD DUP3 MLOAD PUSH1 0x20 PUSH1 0x1F PUSH1 0x2 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH2 0x100 DUP7 DUP9 AND ISZERO MUL ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV SWAP3 DUP4 ADD DUP2 SWAP1 DIV DUP2 MUL DUP3 ADD DUP2 ADD SWAP1 SWAP5 MSTORE DUP2 DUP2 MSTORE SWAP3 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0xB6A JUMPI DUP1 PUSH1 0x1F LT PUSH2 0xB3F JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0xB6A JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0xB4D JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP SWAP1 POP PUSH2 0xB7F DUP5 PUSH1 0x0 ADD MLOAD DUP3 PUSH2 0x29C JUMP JUMPDEST PUSH1 0xA0 DUP5 ADD MSTORE PUSH1 0x80 DUP4 ADD MSTORE PUSH2 0xB93 DUP4 DUP3 PUSH2 0x29C JUMP JUMPDEST PUSH1 0xE0 DUP5 ADD MSTORE PUSH1 0xC0 DUP4 ADD MSTORE POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x4 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0xBE6 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x7B7 SWAP1 PUSH2 0x18CC JUMP JUMPDEST POP ADD PUSH1 0x20 ADD MLOAD PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x14 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0xC53 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x7B7 SWAP1 PUSH2 0x18BC JUMP JUMPDEST POP ADD PUSH1 0x14 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP4 DUP4 PUSH2 0xC85 JUMP JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x20 ADD DUP4 MLOAD LT ISZERO ISZERO ISZERO PUSH2 0xCC7 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x7B7 SWAP1 PUSH2 0x189C JUMP JUMPDEST POP ADD PUSH1 0x20 ADD MLOAD SWAP1 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x60 DUP2 ADD DUP3 MSTORE PUSH1 0x0 DUP1 DUP3 MSTORE PUSH1 0x20 DUP3 ADD DUP2 SWAP1 MSTORE SWAP2 DUP2 ADD SWAP2 SWAP1 SWAP2 MSTORE SWAP1 JUMP JUMPDEST PUSH2 0x100 PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE POP SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP3 CALLDATALOAD PUSH2 0x19D9 JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP3 MLOAD PUSH2 0x19D9 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0xD5F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0xD72 PUSH2 0xD6D DUP3 PUSH2 0x1968 JUMP JUMPDEST PUSH2 0x1941 JUMP JUMPDEST SWAP2 POP DUP2 DUP2 DUP4 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH1 0x20 DUP2 ADD SWAP1 POP DUP4 DUP6 PUSH1 0x20 DUP5 MUL DUP3 ADD GT ISZERO PUSH2 0xD97 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0xDC3 JUMPI DUP2 PUSH2 0xDAD DUP9 DUP3 PUSH2 0xD36 JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0xD9A JUMP JUMPDEST POP POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0xDDE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0xDEC PUSH2 0xD6D DUP3 PUSH2 0x1968 JUMP JUMPDEST DUP2 DUP2 MSTORE PUSH1 0x20 SWAP4 DUP5 ADD SWAP4 SWAP1 SWAP3 POP DUP3 ADD DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0xDC3 JUMPI DUP2 CALLDATALOAD DUP7 ADD PUSH2 0xE14 DUP9 DUP3 PUSH2 0xF11 JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0xDFE JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0xE3B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 MLOAD PUSH2 0xE49 PUSH2 0xD6D DUP3 PUSH2 0x1968 JUMP JUMPDEST SWAP2 POP DUP2 DUP2 DUP4 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH1 0x20 DUP2 ADD SWAP1 POP DUP4 DUP6 PUSH1 0x60 DUP5 MUL DUP3 ADD GT ISZERO PUSH2 0xE6E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0xDC3 JUMPI DUP2 PUSH2 0xE84 DUP9 DUP3 PUSH2 0xF57 JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x60 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0xE71 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0xEAD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0xEBB PUSH2 0xD6D DUP3 PUSH2 0x1968 JUMP JUMPDEST DUP2 DUP2 MSTORE PUSH1 0x20 SWAP4 DUP5 ADD SWAP4 SWAP1 SWAP3 POP DUP3 ADD DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0xDC3 JUMPI DUP2 CALLDATALOAD DUP7 ADD PUSH2 0xEE3 DUP9 DUP3 PUSH2 0xFB2 JUMP JUMPDEST DUP5 MSTORE POP PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0xECD JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP3 MLOAD PUSH2 0x1A20 JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP3 MLOAD PUSH2 0x19F2 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1F DUP3 ADD DUP4 SGT PUSH2 0xF22 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0xF30 PUSH2 0xD6D DUP3 PUSH2 0x1989 JUMP JUMPDEST SWAP2 POP DUP1 DUP3 MSTORE PUSH1 0x20 DUP4 ADD PUSH1 0x20 DUP4 ADD DUP6 DUP4 DUP4 ADD GT ISZERO PUSH2 0xF4C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x955 DUP4 DUP3 DUP5 PUSH2 0x1A25 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x60 DUP3 DUP5 SUB SLT ISZERO PUSH2 0xF69 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0xF73 PUSH1 0x60 PUSH2 0x1941 JUMP JUMPDEST SWAP1 POP PUSH1 0x0 PUSH2 0xF81 DUP5 DUP5 PUSH2 0x1107 JUMP JUMPDEST DUP3 MSTORE POP PUSH1 0x20 PUSH2 0xF92 DUP5 DUP5 DUP4 ADD PUSH2 0xF05 JUMP JUMPDEST PUSH1 0x20 DUP4 ADD MSTORE POP PUSH1 0x40 PUSH2 0xFA6 DUP5 DUP3 DUP6 ADD PUSH2 0xF05 JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MSTORE POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x180 DUP3 DUP5 SUB SLT ISZERO PUSH2 0xFC5 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0xFD0 PUSH2 0x180 PUSH2 0x1941 JUMP JUMPDEST SWAP1 POP PUSH1 0x0 PUSH2 0xFDE DUP5 DUP5 PUSH2 0xD36 JUMP JUMPDEST DUP3 MSTORE POP PUSH1 0x20 PUSH2 0xFEF DUP5 DUP5 DUP4 ADD PUSH2 0xD36 JUMP JUMPDEST PUSH1 0x20 DUP4 ADD MSTORE POP PUSH1 0x40 PUSH2 0x1003 DUP5 DUP3 DUP6 ADD PUSH2 0xD36 JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MSTORE POP PUSH1 0x60 PUSH2 0x1017 DUP5 DUP3 DUP6 ADD PUSH2 0xD36 JUMP JUMPDEST PUSH1 0x60 DUP4 ADD MSTORE POP PUSH1 0x80 PUSH2 0x102B DUP5 DUP3 DUP6 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH1 0x80 DUP4 ADD MSTORE POP PUSH1 0xA0 PUSH2 0x103F DUP5 DUP3 DUP6 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH1 0xA0 DUP4 ADD MSTORE POP PUSH1 0xC0 PUSH2 0x1053 DUP5 DUP3 DUP6 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH1 0xC0 DUP4 ADD MSTORE POP PUSH1 0xE0 PUSH2 0x1067 DUP5 DUP3 DUP6 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH1 0xE0 DUP4 ADD MSTORE POP PUSH2 0x100 PUSH2 0x107C DUP5 DUP3 DUP6 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH2 0x100 DUP4 ADD MSTORE POP PUSH2 0x120 PUSH2 0x1092 DUP5 DUP3 DUP6 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH2 0x120 DUP4 ADD MSTORE POP PUSH2 0x140 DUP3 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x10B4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x10C0 DUP5 DUP3 DUP6 ADD PUSH2 0xF11 JUMP JUMPDEST PUSH2 0x140 DUP4 ADD MSTORE POP PUSH2 0x160 DUP3 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x10E2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x10EE DUP5 DUP3 DUP6 ADD PUSH2 0xF11 JUMP JUMPDEST PUSH2 0x160 DUP4 ADD MSTORE POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP3 CALLDATALOAD PUSH2 0x19F2 JUMP JUMPDEST PUSH1 0x0 PUSH2 0xC7E DUP3 MLOAD PUSH2 0x1A1A JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x1125 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x1131 DUP5 DUP5 PUSH2 0xD42 JUMP JUMPDEST SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x114C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x1158 DUP6 DUP6 PUSH2 0xD36 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 DUP4 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1175 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1181 DUP6 DUP3 DUP7 ADD PUSH2 0xDCD JUMP JUMPDEST SWAP2 POP POP SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x119E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x11AA DUP6 DUP6 PUSH2 0xD36 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 DUP4 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x11C7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1181 DUP6 DUP3 DUP7 ADD PUSH2 0xF11 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x11E6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x11F2 DUP6 DUP6 PUSH2 0xD36 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 PUSH2 0x1181 DUP6 DUP3 DUP7 ADD PUSH2 0x10FB JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x1215 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 MLOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x122C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1131 DUP5 DUP3 DUP6 ADD PUSH2 0xE2A JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x124B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP3 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1262 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x126E DUP6 DUP3 DUP7 ADD PUSH2 0xE9C JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 DUP4 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x128B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1181 DUP6 DUP3 DUP7 ADD PUSH2 0xD4E JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x12A9 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x1131 DUP5 DUP5 PUSH2 0xEF9 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x60 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x12C7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x1131 DUP5 DUP5 PUSH2 0xF57 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x12E6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP3 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x12FD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1309 DUP6 DUP3 DUP7 ADD PUSH2 0xFB2 JUMP JUMPDEST SWAP3 POP POP PUSH1 0x20 PUSH2 0x1181 DUP6 DUP3 DUP7 ADD PUSH2 0xD36 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x132C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x1131 DUP5 DUP5 PUSH2 0xF05 JUMP JUMPDEST PUSH2 0x1341 DUP2 PUSH2 0x19D9 JUMP JUMPDEST DUP3 MSTORE POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x1352 DUP3 PUSH2 0x19D5 JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH2 0x1364 DUP4 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP3 DUP2 LT ISZERO PUSH2 0x1394 JUMPI PUSH2 0x137A DUP7 DUP4 MLOAD PUSH2 0x1619 JUMP JUMPDEST PUSH2 0x1383 DUP3 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x60 SWAP7 SWAP1 SWAP7 ADD SWAP6 SWAP2 POP PUSH1 0x1 ADD PUSH2 0x1367 JUMP JUMPDEST POP SWAP4 SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x13A9 DUP3 PUSH2 0x19D5 JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP DUP4 PUSH1 0x20 DUP3 MUL DUP6 ADD PUSH2 0x13C2 DUP6 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP5 DUP2 LT ISZERO PUSH2 0x13F9 JUMPI DUP4 DUP4 SUB DUP9 MSTORE PUSH2 0x13DD DUP4 DUP4 MLOAD PUSH2 0x1656 JUMP JUMPDEST SWAP3 POP PUSH2 0x13E8 DUP3 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x20 SWAP9 SWAP1 SWAP9 ADD SWAP8 SWAP2 POP PUSH1 0x1 ADD PUSH2 0x13C5 JUMP JUMPDEST POP SWAP1 SWAP7 SWAP6 POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x1410 DUP3 PUSH2 0x19D5 JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH2 0x1422 DUP4 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP3 DUP2 LT ISZERO PUSH2 0x1394 JUMPI PUSH2 0x1438 DUP7 DUP4 MLOAD PUSH2 0x1759 JUMP JUMPDEST PUSH2 0x1441 DUP3 PUSH2 0x19CF JUMP JUMPDEST PUSH2 0x100 SWAP7 SWAP1 SWAP7 ADD SWAP6 SWAP2 POP PUSH1 0x1 ADD PUSH2 0x1425 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x145E DUP3 PUSH2 0x19D5 JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH1 0x20 DUP5 ADD SWAP4 POP PUSH2 0x1470 DUP4 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP3 DUP2 LT ISZERO PUSH2 0x1394 JUMPI PUSH2 0x1486 DUP7 DUP4 MLOAD PUSH2 0x14A0 JUMP JUMPDEST PUSH2 0x148F DUP3 PUSH2 0x19CF JUMP JUMPDEST PUSH1 0x20 SWAP7 SWAP1 SWAP7 ADD SWAP6 SWAP2 POP PUSH1 0x1 ADD PUSH2 0x1473 JUMP JUMPDEST PUSH2 0x1341 DUP2 PUSH2 0x19F2 JUMP JUMPDEST PUSH2 0x1341 DUP2 PUSH2 0x19F5 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x14BD DUP3 PUSH2 0x19D5 JUMP JUMPDEST DUP1 DUP5 MSTORE PUSH2 0x14D1 DUP2 PUSH1 0x20 DUP7 ADD PUSH1 0x20 DUP7 ADD PUSH2 0x1A31 JUMP JUMPDEST PUSH2 0x14DA DUP2 PUSH2 0x1A5D JUMP JUMPDEST SWAP1 SWAP4 ADD PUSH1 0x20 ADD SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x26 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F33325F4C454E4754485F5245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5155495245440000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x17 DUP2 MSTORE PUSH32 0x554E535550504F525445445F41535345545F50524F5859000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 ADD SWAP1 JUMP JUMPDEST PUSH1 0x26 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F32305F4C454E4754485F5245 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5155495245440000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x25 DUP2 MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F345F4C454E4754485F524551 PUSH1 0x20 DUP3 ADD MSTORE PUSH32 0x5549524544000000000000000000000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST DUP1 MLOAD PUSH1 0x60 DUP4 ADD SWAP1 PUSH2 0x162A DUP5 DUP3 PUSH2 0x17F0 JUMP JUMPDEST POP PUSH1 0x20 DUP3 ADD MLOAD PUSH2 0x163D PUSH1 0x20 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0x40 DUP3 ADD MLOAD PUSH2 0x1650 PUSH1 0x40 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP POP POP POP JUMP JUMPDEST DUP1 MLOAD PUSH1 0x0 SWAP1 PUSH2 0x180 DUP5 ADD SWAP1 PUSH2 0x166B DUP6 DUP3 PUSH2 0x1338 JUMP JUMPDEST POP PUSH1 0x20 DUP4 ADD MLOAD PUSH2 0x167E PUSH1 0x20 DUP7 ADD DUP3 PUSH2 0x1338 JUMP JUMPDEST POP PUSH1 0x40 DUP4 ADD MLOAD PUSH2 0x1691 PUSH1 0x40 DUP7 ADD DUP3 PUSH2 0x1338 JUMP JUMPDEST POP PUSH1 0x60 DUP4 ADD MLOAD PUSH2 0x16A4 PUSH1 0x60 DUP7 ADD DUP3 PUSH2 0x1338 JUMP JUMPDEST POP PUSH1 0x80 DUP4 ADD MLOAD PUSH2 0x16B7 PUSH1 0x80 DUP7 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0xA0 DUP4 ADD MLOAD PUSH2 0x16CA PUSH1 0xA0 DUP7 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0xC0 DUP4 ADD MLOAD PUSH2 0x16DD PUSH1 0xC0 DUP7 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0xE0 DUP4 ADD MLOAD PUSH2 0x16F0 PUSH1 0xE0 DUP7 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH2 0x100 DUP4 ADD MLOAD PUSH2 0x1705 PUSH2 0x100 DUP7 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH2 0x120 DUP4 ADD MLOAD PUSH2 0x171A PUSH2 0x120 DUP7 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH2 0x140 DUP4 ADD MLOAD DUP5 DUP3 SUB PUSH2 0x140 DUP7 ADD MSTORE PUSH2 0x1734 DUP3 DUP3 PUSH2 0x14B2 JUMP JUMPDEST SWAP2 POP POP PUSH2 0x160 DUP4 ADD MLOAD DUP5 DUP3 SUB PUSH2 0x160 DUP7 ADD MSTORE PUSH2 0x1750 DUP3 DUP3 PUSH2 0x14B2 JUMP JUMPDEST SWAP6 SWAP5 POP POP POP POP POP JUMP JUMPDEST DUP1 MLOAD PUSH2 0x100 DUP4 ADD SWAP1 PUSH2 0x176B DUP5 DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0x20 DUP3 ADD MLOAD PUSH2 0x177E PUSH1 0x20 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0x40 DUP3 ADD MLOAD PUSH2 0x1791 PUSH1 0x40 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0x60 DUP3 ADD MLOAD PUSH2 0x17A4 PUSH1 0x60 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0x80 DUP3 ADD MLOAD PUSH2 0x17B7 PUSH1 0x80 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0xA0 DUP3 ADD MLOAD PUSH2 0x17CA PUSH1 0xA0 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0xC0 DUP3 ADD MLOAD PUSH2 0x17DD PUSH1 0xC0 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST POP PUSH1 0xE0 DUP3 ADD MLOAD PUSH2 0x1650 PUSH1 0xE0 DUP6 ADD DUP3 PUSH2 0x14A0 JUMP JUMPDEST PUSH2 0x1341 DUP2 PUSH2 0x1A1A JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x9A3 DUP3 DUP5 PUSH2 0x1338 JUMP JUMPDEST PUSH1 0x40 DUP2 ADD PUSH2 0x1815 DUP3 DUP6 PUSH2 0x1338 JUMP JUMPDEST PUSH2 0xC7E PUSH1 0x20 DUP4 ADD DUP5 PUSH2 0x1338 JUMP JUMPDEST PUSH1 0x40 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x1833 DUP2 DUP6 PUSH2 0x1347 JUMP JUMPDEST SWAP1 POP DUP2 DUP2 SUB PUSH1 0x20 DUP4 ADD MSTORE PUSH2 0x1131 DUP2 DUP5 PUSH2 0x1405 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0xC7E DUP2 DUP5 PUSH2 0x139E JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0xC7E DUP2 DUP5 PUSH2 0x1405 JUMP JUMPDEST PUSH1 0x40 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x187A DUP2 DUP6 PUSH2 0x1453 JUMP JUMPDEST SWAP1 POP DUP2 DUP2 SUB PUSH1 0x20 DUP4 ADD MSTORE PUSH2 0x1131 DUP2 DUP5 PUSH2 0x1453 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x9A3 DUP3 DUP5 PUSH2 0x14A9 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x9A3 DUP2 PUSH2 0x14E7 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x9A3 DUP2 PUSH2 0x153D JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x9A3 DUP2 PUSH2 0x156D JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0x9A3 DUP2 PUSH2 0x15C3 JUMP JUMPDEST PUSH2 0x160 DUP2 ADD PUSH2 0x18EB DUP3 DUP6 PUSH2 0x1619 JUMP JUMPDEST PUSH2 0xC7E PUSH1 0x60 DUP4 ADD DUP5 PUSH2 0x1759 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 ADD PUSH2 0xC7E DUP2 DUP5 PUSH2 0x1656 JUMP JUMPDEST PUSH2 0x100 DUP2 ADD PUSH2 0x9A3 DUP3 DUP5 PUSH2 0x1759 JUMP JUMPDEST PUSH1 0x20 DUP2 ADD PUSH2 0x9A3 DUP3 DUP5 PUSH2 0x14A0 JUMP JUMPDEST PUSH1 0x40 DUP2 ADD PUSH2 0x1934 DUP3 DUP6 PUSH2 0x14A0 JUMP JUMPDEST PUSH2 0xC7E PUSH1 0x20 DUP4 ADD DUP5 PUSH2 0x14A0 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP2 DUP2 ADD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT DUP3 DUP3 LT OR ISZERO PUSH2 0x1960 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x40 MSTORE SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH8 0xFFFFFFFFFFFFFFFF DUP3 GT ISZERO PUSH2 0x197F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x20 SWAP1 DUP2 MUL ADD SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH8 0xFFFFFFFFFFFFFFFF DUP3 GT ISZERO PUSH2 0x19A0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x20 PUSH1 0x1F SWAP2 SWAP1 SWAP2 ADD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 AND ADD SWAP1 JUMP JUMPDEST PUSH1 0x20 ADD SWAP1 JUMP JUMPDEST MLOAD SWAP1 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST SWAP1 JUMP JUMPDEST PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND SWAP1 JUMP JUMPDEST PUSH1 0xFF AND SWAP1 JUMP JUMPDEST ISZERO ISZERO SWAP1 JUMP JUMPDEST DUP3 DUP2 DUP4 CALLDATACOPY POP PUSH1 0x0 SWAP2 ADD MSTORE JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x1A4C JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x1A34 JUMP JUMPDEST DUP4 DUP2 GT ISZERO PUSH2 0x1650 JUMPI POP POP PUSH1 0x0 SWAP2 ADD MSTORE JUMP JUMPDEST PUSH1 0x1F ADD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 AND SWAP1 JUMP STOP LOG2 PUSH6 0x627A7A723058 KECCAK256 0xd2 0xe9 PUSH31 0x29F930427E8936D11AF9A8EE1660886400D9687ABB10C976177F33449C6C65 PUSH25 0x706572696D656E74616CF50037000000000000000000000000 ", + "sourceMap": 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+ } + } + }, + "sources": { + "2.0.0/extensions/Forwarder/Forwarder.sol": { + "id": 0 + }, + "2.0.0/extensions/Forwarder/MixinAssets.sol": { + "id": 1 + }, + "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": { + "id": 2 + }, + "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": { + "id": 3 + }, + "2.0.0/extensions/Forwarder/MixinWeth.sol": { + "id": 4 + }, + "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": { + "id": 5 + }, + "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": { + "id": 6 + }, + "2.0.0/extensions/Forwarder/libs/LibConstants.sol": { + "id": 7 + }, + "2.0.0/extensions/Forwarder/mixins/MAssets.sol": { + "id": 8 + }, + "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": { + "id": 9 + }, + "2.0.0/extensions/Forwarder/mixins/MWeth.sol": { + "id": 10 + }, + "2.0.0/extensions/OrderValidator/OrderValidator.sol": { + "id": 11 + }, + "2.0.0/multisig/MultiSigWallet.sol": { + "id": 12 + }, + "2.0.0/multisig/MultiSigWalletWithTimeLock.sol": { + "id": 13 + }, + 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+ }, + "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": { + "id": 56 + }, + "2.0.0/utils/SafeMath/SafeMath.sol": { + "id": 57 + } + }, + "sourceCodes": { + "2.0.0/extensions/Forwarder/Forwarder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinWeth.sol\";\nimport \"./MixinForwarderCore.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./MixinAssets.sol\";\nimport \"./MixinExchangeWrapper.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Forwarder is\n LibConstants,\n MixinWeth,\n MixinAssets,\n MixinExchangeWrapper,\n MixinForwarderCore\n{\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n LibConstants(\n _exchange,\n _zrxAssetData,\n _wethAssetData\n )\n MixinForwarderCore()\n {}\n}\n", + "2.0.0/extensions/Forwarder/MixinAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MAssets.sol\";\n\n\ncontract MixinAssets is\n Ownable,\n LibConstants,\n MAssets\n{\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256(\"transfer(address,uint256)\"));\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external\n onlyOwner\n {\n transferAssetToSender(assetData, amount);\n }\n\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n bytes4 proxyId = assetData.readBytes4(0);\n\n if (proxyId == ERC20_DATA_ID) {\n transferERC20Token(assetData, amount);\n } else if (proxyId == ERC721_DATA_ID) {\n transferERC721Token(assetData, amount);\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n }\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n address token = assetData.readAddress(16);\n\n // Transfer tokens.\n // We do a raw call so we can check the success separate\n // from the return data.\n bool success = token.call(abi.encodeWithSelector(\n ERC20_TRANSFER_SELECTOR,\n msg.sender,\n amount\n ));\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n \n // Check return data.\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // value that evaluates to true.\n assembly {\n if returndatasize {\n success := 0\n if eq(returndatasize, 32) {\n // First 64 bytes of memory are reserved scratch space\n returndatacopy(0, 0, 32)\n success := mload(0)\n }\n }\n }\n require(\n success,\n \"TRANSFER_FAILED\"\n );\n }\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal\n {\n require(\n amount == 1,\n \"INVALID_AMOUNT\"\n );\n // Decode asset data.\n address token = assetData.readAddress(16);\n uint256 tokenId = assetData.readUint256(36);\n\n // Perform transfer.\n IERC721Token(token).transferFrom(\n address(this),\n msg.sender,\n tokenId\n );\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"../../protocol/Exchange/libs/LibAbiEncoder.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinExchangeWrapper is\n LibAbiEncoder,\n LibFillResults,\n LibMath,\n LibConstants,\n MExchangeWrapper\n{\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n address exchange = address(EXCHANGE);\n\n // Call `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := call(\n gas, // forward all gas\n exchange, // call address of Exchange contract\n 0, // transfer 0 wei\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of WETH to sell\n uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of WETH\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // We assume that asset being sold by taker is WETH for each order.\n orders[i].makerAssetData = makerAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount;\n if (makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n\n require(\n makerAssetFilledAmount >= makerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (FillResults memory totalFillResults)\n {\n // Do nothing if zrxBuyAmount == 0\n if (zrxBuyAmount == 0) {\n return totalFillResults;\n }\n\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n bytes memory wethAssetData = WETH_ASSET_DATA;\n uint256 zrxPurchased = 0;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // All of these are ZRX/WETH, so we can drop the respective assetData from calldata.\n orders[i].makerAssetData = zrxAssetData;\n orders[i].takerAssetData = wethAssetData;\n\n // Calculate the remaining amount of ZRX to buy.\n uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased);\n\n // Convert the remaining amount of ZRX to buy into remaining amount\n // of WETH to sell, assuming entire amount can be sold in the current order.\n uint256 remainingWethSellAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees \n remainingZrxBuyAmount\n );\n\n // Attempt to sell the remaining amount of WETH.\n FillResults memory singleFillResult = fillOrderNoThrow(\n orders[i],\n safeAdd(remainingWethSellAmount, 1), // we add 1 wei to the fill amount to make up for rounding errors\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker.\n addFillResults(totalFillResults, singleFillResult);\n zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid);\n\n // Stop execution if the entire amount of ZRX has been bought.\n if (zrxPurchased >= zrxBuyAmount) {\n break;\n }\n }\n\n require(\n zrxPurchased >= zrxBuyAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return totalFillResults;\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\nimport \"./mixins/MAssets.sol\";\nimport \"./mixins/MExchangeWrapper.sol\";\nimport \"./interfaces/IForwarderCore.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../protocol/Exchange/libs/LibFillResults.sol\";\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\n\n\ncontract MixinForwarderCore is\n LibFillResults,\n LibMath,\n LibConstants,\n MWeth,\n MAssets,\n MExchangeWrapper,\n IForwarderCore\n{\n using LibBytes for bytes;\n\n /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf.\n constructor ()\n public\n {\n address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID);\n require(\n proxyAddress != address(0),\n \"UNREGISTERED_ASSET_PROXY\"\n );\n ETHER_TOKEN.approve(proxyAddress, MAX_UINT);\n ZRX_TOKEN.approve(proxyAddress, MAX_UINT);\n }\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 wethSellAmount;\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // Calculate amount of WETH that won't be spent on ETH fees.\n wethSellAmount = getPartialAmountFloor(\n PERCENTAGE_DENOMINATOR,\n safeAdd(PERCENTAGE_DENOMINATOR, feePercentage),\n msg.value\n );\n // Market sell available WETH.\n // ZRX fees are paid with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // 5% of WETH is reserved for filling feeOrders and paying feeRecipient.\n wethSellAmount = getPartialAmountFloor(\n MAX_WETH_FILL_PERCENTAGE,\n PERCENTAGE_DENOMINATOR,\n msg.value\n );\n // Market sell 95% of WETH.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketSellWeth(\n orders,\n wethSellAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n FillResults memory orderFillResults,\n FillResults memory feeOrderFillResults\n )\n {\n // Convert ETH to WETH.\n convertEthToWeth();\n\n uint256 zrxBuyAmount;\n uint256 makerAssetAmountPurchased;\n if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) {\n // If the makerAsset is ZRX, it is not necessary to pay fees out of this\n // contracts's ZRX balance because fees are factored into the price of the order.\n orderFillResults = marketBuyExactZrxWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // The fee amount must be deducted from the amount transfered back to sender.\n makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid);\n } else {\n // Attemp to purchase desired amount of makerAsset.\n // ZRX fees are payed with this contract's balance.\n orderFillResults = marketBuyExactAmountWithWeth(\n orders,\n makerAssetFillAmount,\n signatures\n );\n // Buy back all ZRX spent on fees.\n zrxBuyAmount = orderFillResults.takerFeePaid;\n feeOrderFillResults = marketBuyExactZrxWithWeth(\n feeOrders,\n zrxBuyAmount,\n feeSignatures\n );\n makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount;\n }\n\n // Transfer feePercentage of total ETH spent on primary orders to feeRecipient.\n // Refund remaining ETH to msg.sender.\n transferEthFeeAndRefund(\n orderFillResults.takerAssetFilledAmount,\n feeOrderFillResults.takerAssetFilledAmount,\n feePercentage,\n feeRecipient\n );\n\n // Transfer purchased assets to msg.sender.\n transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased);\n }\n}\n", + "2.0.0/extensions/Forwarder/MixinWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../protocol/Exchange/libs/LibMath.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./mixins/MWeth.sol\";\n\n\ncontract MixinWeth is\n LibMath,\n LibConstants,\n MWeth\n{\n /// @dev Default payabale function, this allows us to withdraw WETH\n function ()\n public\n payable\n {\n require(\n msg.sender == address(ETHER_TOKEN),\n \"DEFAULT_FUNCTION_WETH_CONTRACT_ONLY\"\n );\n }\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal\n {\n require(\n msg.value > 0,\n \"INVALID_MSG_VALUE\"\n );\n ETHER_TOKEN.deposit.value(msg.value)();\n }\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal\n {\n // Ensure feePercentage is less than 5%.\n require(\n feePercentage <= MAX_FEE_PERCENTAGE,\n \"FEE_PERCENTAGE_TOO_LARGE\"\n );\n\n // Ensure that no extra WETH owned by this contract has been sold.\n uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx);\n require(\n wethSold <= msg.value,\n \"OVERSOLD_WETH\"\n );\n\n // Calculate amount of WETH that hasn't been sold.\n uint256 wethRemaining = safeSub(msg.value, wethSold);\n\n // Calculate ETH fee to pay to feeRecipient.\n uint256 ethFee = getPartialAmountFloor(\n feePercentage,\n PERCENTAGE_DENOMINATOR,\n wethSoldExcludingFeeOrders\n );\n\n // Ensure fee is less than amount of WETH remaining.\n require(\n ethFee <= wethRemaining,\n \"INSUFFICIENT_ETH_REMAINING\"\n );\n \n // Do nothing if no WETH remaining\n if (wethRemaining > 0) {\n // Convert remaining WETH to ETH\n ETHER_TOKEN.withdraw(wethRemaining);\n\n // Pay ETH to feeRecipient\n if (ethFee > 0) {\n feeRecipient.transfer(ethFee);\n }\n\n // Refund remaining ETH to msg.sender.\n uint256 ethRefund = safeSub(wethRemaining, ethFee);\n if (ethRefund > 0) {\n msg.sender.transfer(ethRefund);\n }\n }\n }\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssets {\n\n /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to \n /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be\n /// used to withdraw assets that were accidentally sent to this contract.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of ERC20 token to withdraw.\n function withdrawAsset(\n bytes assetData,\n uint256 amount\n )\n external;\n}\n", + "2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract IForwarderCore {\n\n /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketSellOrdersWithEth(\n LibOrder.Order[] memory orders,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n\n /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction.\n /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.\n /// Any ETH not spent will be refunded to sender.\n /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. \n /// @param makerAssetFillAmount Desired amount of makerAsset to purchase.\n /// @param signatures Proofs that orders have been created by makers.\n /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees.\n /// @param feeSignatures Proofs that feeOrders have been created by makers.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n /// @return Amounts filled and fees paid by maker and taker for both sets of orders.\n function marketBuyOrdersWithEth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures,\n LibOrder.Order[] memory feeOrders,\n bytes[] memory feeSignatures,\n uint256 feePercentage,\n address feeRecipient\n )\n public\n payable\n returns (\n LibFillResults.FillResults memory orderFillResults,\n LibFillResults.FillResults memory feeOrderFillResults\n );\n}\n", + "2.0.0/extensions/Forwarder/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/LibBytes/LibBytes.sol\";\nimport \"../../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../../tokens/EtherToken/IEtherToken.sol\";\nimport \"../../../tokens/ERC20Token/IERC20Token.sol\";\n\n\ncontract LibConstants {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n uint256 constant internal MAX_UINT = 2**256 - 1;\n uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; \n uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5%\n uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95%\n \n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n IEtherToken internal ETHER_TOKEN;\n IERC20Token internal ZRX_TOKEN;\n bytes internal ZRX_ASSET_DATA;\n bytes internal WETH_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (\n address _exchange,\n bytes memory _zrxAssetData,\n bytes memory _wethAssetData\n )\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n WETH_ASSET_DATA = _wethAssetData;\n\n address etherToken = _wethAssetData.readAddress(16);\n address zrxToken = _zrxAssetData.readAddress(16);\n ETHER_TOKEN = IEtherToken(etherToken);\n ZRX_TOKEN = IERC20Token(zrxToken);\n }\n}\n", + "2.0.0/extensions/Forwarder/mixins/MAssets.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssets.sol\";\n\n\ncontract MAssets is\n IAssets\n{\n /// @dev Transfers given amount of asset to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferAssetToSender(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC20 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC20Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n\n /// @dev Decodes ERC721 assetData and transfers given amount to sender.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param amount Amount of asset to transfer to sender.\n function transferERC721Token(\n bytes memory assetData,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../../protocol/Exchange/libs/LibFillResults.sol\";\n\n\ncontract MExchangeWrapper {\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param wethSellAmount Desired amount of WETH to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellWeth(\n LibOrder.Order[] memory orders,\n uint256 wethSellAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// The asset being sold by taker must always be WETH.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyExactAmountWithWeth(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee\n /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues).\n /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX\n /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases.\n /// The asset being sold by taker must always be WETH. \n /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset.\n /// @param zrxBuyAmount Desired amount of ZRX to buy.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return totalFillResults Amounts filled and fees paid by maker and taker.\n function marketBuyExactZrxWithWeth(\n LibOrder.Order[] memory orders,\n uint256 zrxBuyAmount,\n bytes[] memory signatures\n )\n internal\n returns (LibFillResults.FillResults memory totalFillResults);\n}\n", + "2.0.0/extensions/Forwarder/mixins/MWeth.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract MWeth {\n\n /// @dev Converts message call's ETH value into WETH.\n function convertEthToWeth()\n internal;\n\n /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient.\n /// Refunds any excess ETH to msg.sender.\n /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders.\n /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees.\n /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.\n /// @param feeRecipient Address that will receive ETH when orders are filled.\n function transferEthFeeAndRefund(\n uint256 wethSoldExcludingFeeOrders,\n uint256 wethSoldForZrx,\n uint256 feePercentage,\n address feeRecipient\n )\n internal;\n}\n", + "2.0.0/extensions/OrderValidator/OrderValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../protocol/Exchange/interfaces/IExchange.sol\";\nimport \"../../protocol/Exchange/libs/LibOrder.sol\";\nimport \"../../tokens/ERC20Token/IERC20Token.sol\";\nimport \"../../tokens/ERC721Token/IERC721Token.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract OrderValidator {\n\n using LibBytes for bytes;\n\n bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n struct TraderInfo {\n uint256 makerBalance; // Maker's balance of makerAsset\n uint256 makerAllowance; // Maker's allowance to corresponding AssetProxy\n uint256 takerBalance; // Taker's balance of takerAsset\n uint256 takerAllowance; // Taker's allowance to corresponding AssetProxy\n uint256 makerZrxBalance; // Maker's balance of ZRX\n uint256 makerZrxAllowance; // Maker's allowance of ZRX to ERC20Proxy\n uint256 takerZrxBalance; // Taker's balance of ZRX\n uint256 takerZrxAllowance; // Taker's allowance of ZRX to ERC20Proxy\n }\n\n // solhint-disable var-name-mixedcase\n IExchange internal EXCHANGE;\n bytes internal ZRX_ASSET_DATA;\n // solhint-enable var-name-mixedcase\n\n constructor (address _exchange, bytes memory _zrxAssetData)\n public\n {\n EXCHANGE = IExchange(_exchange);\n ZRX_ASSET_DATA = _zrxAssetData;\n }\n\n /// @dev Fetches information for order and maker/taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return OrderInfo and TraderInfo instances for given order.\n function getOrderAndTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo, TraderInfo memory traderInfo)\n {\n orderInfo = EXCHANGE.getOrderInfo(order);\n traderInfo = getTraderInfo(order, takerAddress);\n return (orderInfo, traderInfo);\n }\n\n /// @dev Fetches information for all passed in orders and the makers/takers of each order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Arrays of OrderInfo and TraderInfo instances that correspond to each order.\n function getOrdersAndTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (LibOrder.OrderInfo[] memory ordersInfo, TraderInfo[] memory tradersInfo)\n {\n ordersInfo = EXCHANGE.getOrdersInfo(orders);\n tradersInfo = getTradersInfo(orders, takerAddresses);\n return (ordersInfo, tradersInfo);\n }\n\n /// @dev Fetches balance and allowances for maker and taker of order.\n /// @param order The order structure.\n /// @param takerAddress Address that will be filling the order.\n /// @return Balances and allowances of maker and taker of order.\n function getTraderInfo(LibOrder.Order memory order, address takerAddress)\n public\n view\n returns (TraderInfo memory traderInfo)\n {\n (traderInfo.makerBalance, traderInfo.makerAllowance) = getBalanceAndAllowance(order.makerAddress, order.makerAssetData);\n (traderInfo.takerBalance, traderInfo.takerAllowance) = getBalanceAndAllowance(takerAddress, order.takerAssetData);\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n (traderInfo.makerZrxBalance, traderInfo.makerZrxAllowance) = getBalanceAndAllowance(order.makerAddress, zrxAssetData);\n (traderInfo.takerZrxBalance, traderInfo.takerZrxAllowance) = getBalanceAndAllowance(takerAddress, zrxAssetData);\n return traderInfo;\n }\n\n /// @dev Fetches balances and allowances of maker and taker for each provided order.\n /// @param orders Array of order specifications.\n /// @param takerAddresses Array of taker addresses corresponding to each order.\n /// @return Array of balances and allowances for maker and taker of each order.\n function getTradersInfo(LibOrder.Order[] memory orders, address[] memory takerAddresses)\n public\n view\n returns (TraderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n TraderInfo[] memory tradersInfo = new TraderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n tradersInfo[i] = getTraderInfo(orders[i], takerAddresses[i]);\n }\n return tradersInfo;\n }\n\n /// @dev Fetches token balances and allowances of an address to given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Encoded data that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balance of asset and allowance set to given proxy of asset.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalanceAndAllowance(address target, bytes memory assetData)\n public\n view\n returns (uint256 balance, uint256 allowance)\n {\n bytes4 assetProxyId = assetData.readBytes4(0);\n address token = assetData.readAddress(16);\n address assetProxy = EXCHANGE.getAssetProxy(assetProxyId);\n\n if (assetProxyId == ERC20_DATA_ID) {\n // Query balance\n balance = IERC20Token(token).balanceOf(target);\n\n // Query allowance\n allowance = IERC20Token(token).allowance(target, assetProxy);\n } else if (assetProxyId == ERC721_DATA_ID) {\n uint256 tokenId = assetData.readUint256(36);\n\n // Query owner of tokenId\n address owner = getERC721TokenOwner(token, tokenId);\n\n // Set balance to 1 if tokenId is owned by target\n balance = target == owner ? 1 : 0;\n\n // Check if ERC721Proxy is approved to spend tokenId\n bool isApproved = IERC721Token(token).isApprovedForAll(target, assetProxy) || IERC721Token(token).getApproved(tokenId) == assetProxy;\n \n // Set alowance to 1 if ERC721Proxy is approved to spend tokenId\n allowance = isApproved ? 1 : 0;\n } else {\n revert(\"UNSUPPORTED_ASSET_PROXY\");\n }\n return (balance, allowance);\n }\n\n /// @dev Fetches token balances and allowances of an address for each given assetProxy. Supports ERC20 and ERC721.\n /// @param target Address to fetch balances and allowances of.\n /// @param assetData Array of encoded byte arrays that can be decoded by a specified proxy contract when transferring asset.\n /// @return Balances and allowances of assets.\n /// For ERC721 tokens, these values will always be 1 or 0.\n function getBalancesAndAllowances(address target, bytes[] memory assetData)\n public\n view\n returns (uint256[] memory, uint256[] memory)\n {\n uint256 length = assetData.length;\n uint256[] memory balances = new uint256[](length);\n uint256[] memory allowances = new uint256[](length);\n for (uint256 i = 0; i != length; i++) {\n (balances[i], allowances[i]) = getBalanceAndAllowance(target, assetData[i]);\n }\n return (balances, allowances);\n }\n\n /// @dev Calls `token.ownerOf(tokenId)`, but returns a null owner instead of reverting on an unowned token.\n /// @param token Address of ERC721 token.\n /// @param tokenId The identifier for the specific NFT.\n /// @return Owner of tokenId or null address if unowned.\n function getERC721TokenOwner(address token, uint256 tokenId)\n public\n view\n returns (address owner)\n {\n assembly {\n // load free memory pointer\n let cdStart := mload(64)\n\n // bytes4(keccak256(ownerOf(uint256))) = 0x6352211e\n mstore(cdStart, 0x6352211e00000000000000000000000000000000000000000000000000000000)\n mstore(add(cdStart, 4), tokenId)\n\n // staticcall `ownerOf(tokenId)`\n // `ownerOf` will revert if tokenId is not owned\n let success := staticcall(\n gas, // forward all gas\n token, // call token contract\n cdStart, // start of calldata\n 36, // length of input is 36 bytes\n cdStart, // write output over input\n 32 // size of output is 32 bytes\n )\n\n // Success implies that tokenId is owned\n // Copy owner from return data if successful\n if success {\n owner := mload(cdStart)\n } \n }\n\n // Owner initialized to address(0), no need to modify if call is unsuccessful\n return owner;\n }\n}\n", + "2.0.0/multisig/MultiSigWallet.sol": "// solhint-disable\npragma solidity ^0.4.15;\n\n\n/// @title Multisignature wallet - Allows multiple parties to agree on transactions before execution.\n/// @author Stefan George - \ncontract MultiSigWallet {\n\n /*\n * Events\n */\n event Confirmation(address indexed sender, uint indexed transactionId);\n event Revocation(address indexed sender, uint indexed transactionId);\n event Submission(uint indexed transactionId);\n event Execution(uint indexed transactionId);\n event ExecutionFailure(uint indexed transactionId);\n event Deposit(address indexed sender, uint value);\n event OwnerAddition(address indexed owner);\n event OwnerRemoval(address indexed owner);\n event RequirementChange(uint required);\n\n /*\n * Constants\n */\n uint constant public MAX_OWNER_COUNT = 50;\n\n /*\n * Storage\n */\n mapping (uint => Transaction) public transactions;\n mapping (uint => mapping (address => bool)) public confirmations;\n mapping (address => bool) public isOwner;\n address[] public owners;\n uint public required;\n uint public transactionCount;\n\n struct Transaction {\n address destination;\n uint value;\n bytes data;\n bool executed;\n }\n\n /*\n * Modifiers\n */\n modifier onlyWallet() {\n require(msg.sender == address(this));\n _;\n }\n\n modifier ownerDoesNotExist(address owner) {\n require(!isOwner[owner]);\n _;\n }\n\n modifier ownerExists(address owner) {\n require(isOwner[owner]);\n _;\n }\n\n modifier transactionExists(uint transactionId) {\n require(transactions[transactionId].destination != 0);\n _;\n }\n\n modifier confirmed(uint transactionId, address owner) {\n require(confirmations[transactionId][owner]);\n _;\n }\n\n modifier notConfirmed(uint transactionId, address owner) {\n require(!confirmations[transactionId][owner]);\n _;\n }\n\n modifier notExecuted(uint transactionId) {\n require(!transactions[transactionId].executed);\n _;\n }\n\n modifier notNull(address _address) {\n require(_address != 0);\n _;\n }\n\n modifier validRequirement(uint ownerCount, uint _required) {\n require(ownerCount <= MAX_OWNER_COUNT\n && _required <= ownerCount\n && _required != 0\n && ownerCount != 0);\n _;\n }\n\n /// @dev Fallback function allows to deposit ether.\n function()\n payable\n {\n if (msg.value > 0)\n Deposit(msg.sender, msg.value);\n }\n\n /*\n * Public functions\n */\n /// @dev Contract constructor sets initial owners and required number of confirmations.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n function MultiSigWallet(address[] _owners, uint _required)\n public\n validRequirement(_owners.length, _required)\n {\n for (uint i=0; i<_owners.length; i++) {\n require(!isOwner[_owners[i]] && _owners[i] != 0);\n isOwner[_owners[i]] = true;\n }\n owners = _owners;\n required = _required;\n }\n\n /// @dev Allows to add a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of new owner.\n function addOwner(address owner)\n public\n onlyWallet\n ownerDoesNotExist(owner)\n notNull(owner)\n validRequirement(owners.length + 1, required)\n {\n isOwner[owner] = true;\n owners.push(owner);\n OwnerAddition(owner);\n }\n\n /// @dev Allows to remove an owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner.\n function removeOwner(address owner)\n public\n onlyWallet\n ownerExists(owner)\n {\n isOwner[owner] = false;\n for (uint i=0; i owners.length)\n changeRequirement(owners.length);\n OwnerRemoval(owner);\n }\n\n /// @dev Allows to replace an owner with a new owner. Transaction has to be sent by wallet.\n /// @param owner Address of owner to be replaced.\n /// @param newOwner Address of new owner.\n function replaceOwner(address owner, address newOwner)\n public\n onlyWallet\n ownerExists(owner)\n ownerDoesNotExist(newOwner)\n {\n for (uint i=0; i\n// solhint-disable not-rely-on-time\ncontract MultiSigWalletWithTimeLock is\n MultiSigWallet\n{\n event ConfirmationTimeSet(uint256 indexed transactionId, uint256 confirmationTime);\n event TimeLockChange(uint256 secondsTimeLocked);\n\n uint256 public secondsTimeLocked;\n\n mapping (uint256 => uint256) public confirmationTimes;\n\n modifier notFullyConfirmed(uint256 transactionId) {\n require(\n !isConfirmed(transactionId),\n \"TX_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier fullyConfirmed(uint256 transactionId) {\n require(\n isConfirmed(transactionId),\n \"TX_NOT_FULLY_CONFIRMED\"\n );\n _;\n }\n\n modifier pastTimeLock(uint256 transactionId) {\n require(\n block.timestamp >= confirmationTimes[transactionId] + secondsTimeLocked,\n \"TIME_LOCK_INCOMPLETE\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations, and time lock.\n /// @param _owners List of initial owners.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] _owners,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWallet(_owners, _required)\n {\n secondsTimeLocked = _secondsTimeLocked;\n }\n\n /// @dev Changes the duration of the time lock for transactions.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n function changeTimeLock(uint256 _secondsTimeLocked)\n public\n onlyWallet\n {\n secondsTimeLocked = _secondsTimeLocked;\n emit TimeLockChange(_secondsTimeLocked);\n }\n\n /// @dev Allows an owner to confirm a transaction.\n /// @param transactionId Transaction ID.\n function confirmTransaction(uint256 transactionId)\n public\n ownerExists(msg.sender)\n transactionExists(transactionId)\n notConfirmed(transactionId, msg.sender)\n notFullyConfirmed(transactionId)\n {\n confirmations[transactionId][msg.sender] = true;\n emit Confirmation(msg.sender, transactionId);\n if (isConfirmed(transactionId)) {\n setConfirmationTime(transactionId, block.timestamp);\n }\n }\n\n /// @dev Allows anyone to execute a confirmed transaction.\n /// @param transactionId Transaction ID.\n function executeTransaction(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n pastTimeLock(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n\n /// @dev Sets the time of when a submission first passed.\n function setConfirmationTime(uint256 transactionId, uint256 confirmationTime)\n internal\n {\n confirmationTimes[transactionId] = confirmationTime;\n emit ConfirmationTimeSet(transactionId, confirmationTime);\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC20Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC20Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC20Token(address)\"));\n \n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 1 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n\n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. amount |\n\n /////// Read token address from calldata ///////\n // * The token address is stored in `assetData`.\n //\n // * The \"offset to assetData\" is stored at offset 4 in the calldata (table 1).\n // [assetDataOffsetFromParams = calldataload(4)]\n //\n // * Notes that the \"offset to assetData\" is relative to the \"Params\" area of calldata;\n // add 4 bytes to account for the length of the \"Header\" area (table 1).\n // [assetDataOffsetFromHeader = assetDataOffsetFromParams + 4]\n //\n // * The \"token address\" is offset 32+4=36 bytes into \"assetData\" (tables 1 & 2).\n // [tokenOffset = assetDataOffsetFromHeader + 36 = calldataload(4) + 4 + 36]\n let token := calldataload(add(calldataload(4), 40))\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from`, `to` and `amount` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 96)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output over input\n 32 // output size should be 32 bytes\n )\n\n /////// Check return data. ///////\n // If there is no return data, we assume the token incorrectly\n // does not return a bool. In this case we expect it to revert\n // on failure, which was handled above.\n // If the token does return data, we require that it is a single\n // nonzero 32 bytes value.\n // So the transfer succeeded if the call succeeded and either\n // returned nothing, or returned a non-zero 32 byte value. \n success := and(success, or(\n iszero(returndatasize),\n and(\n eq(returndatasize, 32),\n gt(mload(0), 0)\n )\n ))\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/ERC721Proxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./MixinAuthorizable.sol\";\n\n\ncontract ERC721Proxy is\n MixinAuthorizable\n{\n // Id of this proxy.\n bytes4 constant internal PROXY_ID = bytes4(keccak256(\"ERC721Token(address,uint256)\"));\n\n // solhint-disable-next-line payable-fallback\n function () \n external\n {\n assembly {\n // The first 4 bytes of calldata holds the function selector\n let selector := and(calldataload(0), 0xffffffff00000000000000000000000000000000000000000000000000000000)\n\n // `transferFrom` will be called with the following parameters:\n // assetData Encoded byte array.\n // from Address to transfer asset from.\n // to Address to transfer asset to.\n // amount Amount of asset to transfer.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n if eq(selector, 0xa85e59e400000000000000000000000000000000000000000000000000000000) {\n\n // To lookup a value in a mapping, we load from the storage location keccak256(k, p),\n // where k is the key left padded to 32 bytes and p is the storage slot\n let start := mload(64)\n mstore(start, and(caller, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(start, 32), authorized_slot)\n\n // Revert if authorized[msg.sender] == false\n if iszero(sload(keccak256(start, 64))) {\n // Revert with `Error(\"SENDER_NOT_AUTHORIZED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // `transferFrom`.\n // The function is marked `external`, so no abi decodeding is done for\n // us. Instead, we expect the `calldata` memory to contain the\n // following:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n //\n // (*): offset is computed from start of function parameters, so offset\n // by an additional 4 bytes in the calldata.\n //\n // (**): see table below to compute length of assetData Contents\n //\n // WARNING: The ABIv2 specification allows additional padding between\n // the Params and Data section. This will result in a larger\n // offset to assetData.\n\n // Asset data itself is encoded as follows:\n //\n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 2 * 32 | function parameters: |\n // | | 4 | 12 + 20 | 1. token address |\n // | | 36 | | 2. tokenId |\n \n // We construct calldata for the `token.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // |----------|--------|---------|-------------------------------------|\n // | Header | 0 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 4 | | 1. from |\n // | | 36 | | 2. to |\n // | | 68 | | 3. tokenId |\n\n // There exists only 1 of each token.\n // require(amount == 1, \"INVALID_AMOUNT\")\n if sub(calldataload(100), 1) {\n // Revert with `Error(\"INVALID_AMOUNT\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFrom` selector.\n // Any trailing data in transferFromSelector will be\n // overwritten in the next `mstore` call.\n mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // We copy the fields `from` and `to` in bulk\n // from our own calldata to the new calldata.\n calldatacopy(4, 36, 64)\n\n // Copy `tokenId` field from our own calldata to the new calldata.\n let assetDataOffset := calldataload(4)\n calldatacopy(68, add(assetDataOffset, 72), 32)\n\n /////// Call `token.transferFrom` using the calldata ///////\n let token := calldataload(add(assetDataOffset, 40))\n let success := call(\n gas, // forward all gas\n token, // call address of token contract\n 0, // don't send any ETH\n 0, // pointer to start of input\n 100, // length of input\n 0, // write output to null\n 0 // output size is 0 bytes\n )\n if success {\n return(0, 0)\n }\n \n // Revert with `Error(\"TRANSFER_FAILED\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n\n // Revert if undefined function is called\n revert(0, 0)\n }\n }\n\n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4)\n {\n return PROXY_ID;\n }\n}\n", + "2.0.0/protocol/AssetProxy/MixinAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAuthorizable.sol\";\n\n\ncontract MixinAuthorizable is\n Ownable,\n MAuthorizable\n{\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized {\n require(\n authorized[msg.sender],\n \"SENDER_NOT_AUTHORIZED\"\n );\n _;\n }\n\n mapping (address => bool) public authorized;\n address[] public authorities;\n\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n !authorized[target],\n \"TARGET_ALREADY_AUTHORIZED\"\n );\n\n authorized[target] = true;\n authorities.push(target);\n emit AuthorizedAddressAdded(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n\n delete authorized[target];\n for (uint256 i = 0; i < authorities.length; i++) {\n if (authorities[i] == target) {\n authorities[i] = authorities[authorities.length - 1];\n authorities.length -= 1;\n break;\n }\n }\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external\n onlyOwner\n {\n require(\n authorized[target],\n \"TARGET_NOT_AUTHORIZED\"\n );\n require(\n index < authorities.length,\n \"INDEX_OUT_OF_BOUNDS\"\n );\n require(\n authorities[index] == target,\n \"AUTHORIZED_ADDRESS_MISMATCH\"\n );\n\n delete authorized[target];\n authorities[index] = authorities[authorities.length - 1];\n authorities.length -= 1;\n emit AuthorizedAddressRemoved(target, msg.sender);\n }\n\n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory)\n {\n return authorities;\n }\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IAuthorizable.sol\";\n\n\ncontract IAssetProxy is\n IAuthorizable\n{\n /// @dev Transfers assets. Either succeeds or throws.\n /// @param assetData Byte array encoded for the respective asset proxy.\n /// @param from Address to transfer asset from.\n /// @param to Address to transfer asset to.\n /// @param amount Amount of asset to transfer.\n function transferFrom(\n bytes assetData,\n address from,\n address to,\n uint256 amount\n )\n external;\n \n /// @dev Gets the proxy id associated with the proxy address.\n /// @return Proxy id.\n function getProxyId()\n external\n pure\n returns (bytes4);\n}\n", + "2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/Ownable/IOwnable.sol\";\n\n\ncontract IAuthorizable is\n IOwnable\n{\n /// @dev Authorizes an address.\n /// @param target Address to authorize.\n function addAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n function removeAuthorizedAddress(address target)\n external;\n\n /// @dev Removes authorizion of an address.\n /// @param target Address to remove authorization from.\n /// @param index Index of target in authorities array.\n function removeAuthorizedAddressAtIndex(\n address target,\n uint256 index\n )\n external;\n \n /// @dev Gets all authorized addresses.\n /// @return Array of authorized addresses.\n function getAuthorizedAddresses()\n external\n view\n returns (address[] memory);\n}\n", + "2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAuthorizable.sol\";\n\n\ncontract MAuthorizable is\n IAuthorizable\n{\n // Event logged when a new address is authorized.\n event AuthorizedAddressAdded(\n address indexed target,\n address indexed caller\n );\n\n // Event logged when a currently authorized address is unauthorized.\n event AuthorizedAddressRemoved(\n address indexed target,\n address indexed caller\n );\n\n /// @dev Only authorized addresses can invoke functions with this modifier.\n modifier onlyAuthorized { revert(); _; }\n}\n", + "2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../multisig/MultiSigWalletWithTimeLock.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract AssetProxyOwner is\n MultiSigWalletWithTimeLock\n{\n using LibBytes for bytes;\n\n event AssetProxyRegistration(address assetProxyContract, bool isRegistered);\n\n // Mapping of AssetProxy contract address =>\n // if this contract is allowed to call the AssetProxy's `removeAuthorizedAddressAtIndex` method without a time lock.\n mapping (address => bool) public isAssetProxyRegistered;\n\n bytes4 constant internal REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR = bytes4(keccak256(\"removeAuthorizedAddressAtIndex(address,uint256)\"));\n\n /// @dev Function will revert if the transaction does not call `removeAuthorizedAddressAtIndex`\n /// on an approved AssetProxy contract.\n modifier validRemoveAuthorizedAddressAtIndexTx(uint256 transactionId) {\n Transaction storage txn = transactions[transactionId];\n require(\n isAssetProxyRegistered[txn.destination],\n \"UNREGISTERED_ASSET_PROXY\"\n );\n require(\n txn.data.readBytes4(0) == REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR,\n \"INVALID_FUNCTION_SELECTOR\"\n );\n _;\n }\n\n /// @dev Contract constructor sets initial owners, required number of confirmations,\n /// time lock, and list of AssetProxy addresses.\n /// @param _owners List of initial owners.\n /// @param _assetProxyContracts Array of AssetProxy contract addresses.\n /// @param _required Number of required confirmations.\n /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n constructor (\n address[] memory _owners,\n address[] memory _assetProxyContracts,\n uint256 _required,\n uint256 _secondsTimeLocked\n )\n public\n MultiSigWalletWithTimeLock(_owners, _required, _secondsTimeLocked)\n {\n for (uint256 i = 0; i < _assetProxyContracts.length; i++) {\n address assetProxy = _assetProxyContracts[i];\n require(\n assetProxy != address(0),\n \"INVALID_ASSET_PROXY\"\n );\n isAssetProxyRegistered[assetProxy] = true;\n }\n }\n\n /// @dev Registers or deregisters an AssetProxy to be able to execute\n /// `removeAuthorizedAddressAtIndex` without a timelock.\n /// @param assetProxyContract Address of AssetProxy contract.\n /// @param isRegistered Status of approval for AssetProxy contract.\n function registerAssetProxy(address assetProxyContract, bool isRegistered)\n public\n onlyWallet\n notNull(assetProxyContract)\n {\n isAssetProxyRegistered[assetProxyContract] = isRegistered;\n emit AssetProxyRegistration(assetProxyContract, isRegistered);\n }\n\n /// @dev Allows execution of `removeAuthorizedAddressAtIndex` without time lock.\n /// @param transactionId Transaction ID.\n function executeRemoveAuthorizedAddressAtIndex(uint256 transactionId)\n public\n notExecuted(transactionId)\n fullyConfirmed(transactionId)\n validRemoveAuthorizedAddressAtIndexTx(transactionId)\n {\n Transaction storage txn = transactions[transactionId];\n txn.executed = true;\n if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) {\n emit Execution(transactionId);\n } else {\n emit ExecutionFailure(transactionId);\n txn.executed = false;\n }\n }\n}\n", + "2.0.0/protocol/Exchange/Exchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./MixinExchangeCore.sol\";\nimport \"./MixinSignatureValidator.sol\";\nimport \"./MixinWrapperFunctions.sol\";\nimport \"./MixinAssetProxyDispatcher.sol\";\nimport \"./MixinTransactions.sol\";\nimport \"./MixinMatchOrders.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract Exchange is\n MixinExchangeCore,\n MixinMatchOrders,\n MixinSignatureValidator,\n MixinTransactions,\n MixinAssetProxyDispatcher,\n MixinWrapperFunctions\n{\n string constant public VERSION = \"2.0.0\";\n\n // Mixins are instantiated in the order they are inherited\n constructor ()\n public\n MixinExchangeCore()\n MixinMatchOrders()\n MixinSignatureValidator()\n MixinTransactions()\n MixinAssetProxyDispatcher()\n MixinWrapperFunctions()\n {}\n}\n", + "2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/Ownable/Ownable.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\nimport \"../AssetProxy/interfaces/IAssetProxy.sol\";\n\n\ncontract MixinAssetProxyDispatcher is\n Ownable,\n MAssetProxyDispatcher\n{\n // Mapping from Asset Proxy Id's to their respective Asset Proxy\n mapping (bytes4 => IAssetProxy) public assetProxies;\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external\n onlyOwner\n {\n IAssetProxy assetProxyContract = IAssetProxy(assetProxy);\n\n // Ensure that no asset proxy exists with current id.\n bytes4 assetProxyId = assetProxyContract.getProxyId();\n address currentAssetProxy = assetProxies[assetProxyId];\n require(\n currentAssetProxy == address(0),\n \"ASSET_PROXY_ALREADY_EXISTS\"\n );\n\n // Add asset proxy and log registration.\n assetProxies[assetProxyId] = assetProxyContract;\n emit AssetProxyRegistered(\n assetProxyId,\n assetProxy\n );\n }\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address)\n {\n return assetProxies[assetProxyId];\n }\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal\n {\n // Do nothing if no amount should be transferred.\n if (amount > 0 && from != to) {\n // Ensure assetData length is valid\n require(\n assetData.length > 3,\n \"LENGTH_GREATER_THAN_3_REQUIRED\"\n );\n \n // Lookup assetProxy. We do not use `LibBytes.readBytes4` for gas efficiency reasons.\n bytes4 assetProxyId;\n assembly {\n assetProxyId := and(mload(\n add(assetData, 32)),\n 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000\n )\n }\n address assetProxy = assetProxies[assetProxyId];\n\n // Ensure that assetProxy exists\n require(\n assetProxy != address(0),\n \"ASSET_PROXY_DOES_NOT_EXIST\"\n );\n \n // We construct calldata for the `assetProxy.transferFrom` ABI.\n // The layout of this calldata is in the table below.\n // \n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0 | 4 | function selector |\n // | Params | | 4 * 32 | function parameters: |\n // | | 4 | | 1. offset to assetData (*) |\n // | | 36 | | 2. from |\n // | | 68 | | 3. to |\n // | | 100 | | 4. amount |\n // | Data | | | assetData: |\n // | | 132 | 32 | assetData Length |\n // | | 164 | ** | assetData Contents |\n\n assembly {\n /////// Setup State ///////\n // `cdStart` is the start of the calldata for `assetProxy.transferFrom` (equal to free memory ptr).\n let cdStart := mload(64)\n // `dataAreaLength` is the total number of words needed to store `assetData`\n // As-per the ABI spec, this value is padded up to the nearest multiple of 32,\n // and includes 32-bytes for length.\n let dataAreaLength := and(add(mload(assetData), 63), 0xFFFFFFFFFFFE0)\n // `cdEnd` is the end of the calldata for `assetProxy.transferFrom`.\n let cdEnd := add(cdStart, add(132, dataAreaLength))\n\n \n /////// Setup Header Area ///////\n // This area holds the 4-byte `transferFromSelector`.\n // bytes4(keccak256(\"transferFrom(bytes,address,address,uint256)\")) = 0xa85e59e4\n mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000)\n \n /////// Setup Params Area ///////\n // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes.\n // Notes:\n // 1. The offset to `assetData` is the length of the Params Area (128 bytes).\n // 2. A 20-byte mask is applied to addresses to zero-out the unused bytes.\n mstore(add(cdStart, 4), 128)\n mstore(add(cdStart, 36), and(from, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 68), and(to, 0xffffffffffffffffffffffffffffffffffffffff))\n mstore(add(cdStart, 100), amount)\n \n /////// Setup Data Area ///////\n // This area holds `assetData`.\n let dataArea := add(cdStart, 132)\n // solhint-disable-next-line no-empty-blocks\n for {} lt(dataArea, cdEnd) {} {\n mstore(dataArea, mload(assetData))\n dataArea := add(dataArea, 32)\n assetData := add(assetData, 32)\n }\n\n /////// Call `assetProxy.transferFrom` using the constructed calldata ///////\n let success := call(\n gas, // forward all gas\n assetProxy, // call address of asset proxy\n 0, // don't send any ETH\n cdStart, // pointer to start of input\n sub(cdEnd, cdStart), // length of input \n cdStart, // write output over input\n 512 // reserve 512 bytes for output\n )\n if iszero(success) {\n revert(cdStart, returndatasize())\n }\n }\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinExchangeCore is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n LibOrder,\n LibFillResults,\n MAssetProxyDispatcher,\n MExchangeCore,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of orderHash => amount of takerAsset already bought by maker\n mapping (bytes32 => uint256) public filled;\n\n // Mapping of orderHash => cancelled\n mapping (bytes32 => bool) public cancelled;\n\n // Mapping of makerAddress => senderAddress => lowest salt an order can have in order to be fillable\n // Orders with specified senderAddress and with a salt less than their epoch are considered cancelled\n mapping (address => mapping (address => uint256)) public orderEpoch;\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external\n nonReentrant\n {\n address makerAddress = getCurrentContextAddress();\n // If this function is called via `executeTransaction`, we only update the orderEpoch for the makerAddress/msg.sender combination.\n // This allows external filter contracts to add rules to how orders are cancelled via this function.\n address senderAddress = makerAddress == msg.sender ? address(0) : msg.sender;\n\n // orderEpoch is initialized to 0, so to cancelUpTo we need salt + 1\n uint256 newOrderEpoch = targetOrderEpoch + 1; \n uint256 oldOrderEpoch = orderEpoch[makerAddress][senderAddress];\n\n // Ensure orderEpoch is monotonically increasing\n require(\n newOrderEpoch > oldOrderEpoch, \n \"INVALID_NEW_ORDER_EPOCH\"\n );\n\n // Update orderEpoch\n orderEpoch[makerAddress][senderAddress] = newOrderEpoch;\n emit CancelUpTo(\n makerAddress,\n senderAddress,\n newOrderEpoch\n );\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrder(Order memory order)\n public\n nonReentrant\n {\n cancelOrderInternal(order);\n }\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(Order memory order)\n public\n view\n returns (OrderInfo memory orderInfo)\n {\n // Compute the order hash\n orderInfo.orderHash = getOrderHash(order);\n\n // Fetch filled amount\n orderInfo.orderTakerAssetFilledAmount = filled[orderInfo.orderHash];\n\n // If order.makerAssetAmount is zero, we also reject the order.\n // While the Exchange contract handles them correctly, they create\n // edge cases in the supporting infrastructure because they have\n // an 'infinite' price when computed by a simple division.\n if (order.makerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_MAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // If order.takerAssetAmount is zero, then the order will always\n // be considered filled because 0 == takerAssetAmount == orderTakerAssetFilledAmount\n // Instead of distinguishing between unfilled and filled zero taker\n // amount orders, we choose not to support them.\n if (order.takerAssetAmount == 0) {\n orderInfo.orderStatus = uint8(OrderStatus.INVALID_TAKER_ASSET_AMOUNT);\n return orderInfo;\n }\n\n // Validate order availability\n if (orderInfo.orderTakerAssetFilledAmount >= order.takerAssetAmount) {\n orderInfo.orderStatus = uint8(OrderStatus.FULLY_FILLED);\n return orderInfo;\n }\n\n // Validate order expiration\n // solhint-disable-next-line not-rely-on-time\n if (block.timestamp >= order.expirationTimeSeconds) {\n orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);\n return orderInfo;\n }\n\n // Check if order has been cancelled\n if (cancelled[orderInfo.orderHash]) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n if (orderEpoch[order.makerAddress][order.senderAddress] > order.salt) {\n orderInfo.orderStatus = uint8(OrderStatus.CANCELLED);\n return orderInfo;\n }\n\n // All other statuses are ruled out: order is Fillable\n orderInfo.orderStatus = uint8(OrderStatus.FILLABLE);\n return orderInfo;\n }\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n // Fetch order info\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Assert that the order is fillable by taker\n assertFillableOrder(\n order,\n orderInfo,\n takerAddress,\n signature\n );\n \n // Get amount of takerAsset to fill\n uint256 remainingTakerAssetAmount = safeSub(order.takerAssetAmount, orderInfo.orderTakerAssetFilledAmount);\n uint256 takerAssetFilledAmount = min256(takerAssetFillAmount, remainingTakerAssetAmount);\n\n // Validate context\n assertValidFill(\n order,\n orderInfo,\n takerAssetFillAmount,\n takerAssetFilledAmount,\n fillResults.makerAssetFilledAmount\n );\n\n // Compute proportional fill amounts\n fillResults = calculateFillResults(order, takerAssetFilledAmount);\n\n // Update exchange internal state\n updateFilledState(\n order,\n takerAddress,\n orderInfo.orderHash,\n orderInfo.orderTakerAssetFilledAmount,\n fillResults\n );\n \n // Settle order\n settleOrder(\n order,\n takerAddress,\n fillResults\n );\n\n return fillResults;\n }\n\n /// @dev After calling, the order can not be filled anymore.\n /// Throws if order is invalid or sender does not have permission to cancel.\n /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.\n function cancelOrderInternal(Order memory order)\n internal\n {\n // Fetch current order status\n OrderInfo memory orderInfo = getOrderInfo(order);\n\n // Validate context\n assertValidCancel(order, orderInfo);\n\n // Perform cancel\n updateCancelledState(order, orderInfo.orderHash);\n }\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n function updateFilledState(\n Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n FillResults memory fillResults\n )\n internal\n {\n // Update state\n filled[orderHash] = safeAdd(orderTakerAssetFilledAmount, fillResults.takerAssetFilledAmount);\n\n // Log order\n emit Fill(\n order.makerAddress,\n order.feeRecipientAddress,\n takerAddress,\n msg.sender,\n fillResults.makerAssetFilledAmount,\n fillResults.takerAssetFilledAmount,\n fillResults.makerFeePaid,\n fillResults.takerFeePaid,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n Order memory order,\n bytes32 orderHash\n )\n internal\n {\n // Perform cancel\n cancelled[orderHash] = true;\n\n // Log cancel\n emit Cancel(\n order.makerAddress,\n order.feeRecipientAddress,\n msg.sender,\n orderHash,\n order.makerAssetData,\n order.takerAssetData\n );\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n Order memory order,\n OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view\n {\n // An order can only be filled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n \n // Validate sender is allowed to fill this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n \n // Validate taker is allowed to fill this order\n if (order.takerAddress != address(0)) {\n require(\n order.takerAddress == takerAddress,\n \"INVALID_TAKER\"\n );\n }\n \n // Validate Maker signature (check only if first time seen)\n if (orderInfo.orderTakerAssetFilledAmount == 0) {\n require(\n isValidSignature(\n orderInfo.orderHash,\n order.makerAddress,\n signature\n ),\n \"INVALID_ORDER_SIGNATURE\"\n );\n }\n }\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n Order memory order,\n OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount, // TODO: use FillResults\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view\n {\n // Revert if fill amount is invalid\n // TODO: reconsider necessity for v2.1\n require(\n takerAssetFillAmount != 0,\n \"INVALID_TAKER_AMOUNT\"\n );\n \n // Make sure taker does not pay more than desired amount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n takerAssetFilledAmount <= takerAssetFillAmount,\n \"TAKER_OVERPAY\"\n );\n \n // Make sure order is not overfilled\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeAdd(orderInfo.orderTakerAssetFilledAmount, takerAssetFilledAmount) <= order.takerAssetAmount,\n \"ORDER_OVERFILL\"\n );\n \n // Make sure order is filled at acceptable price.\n // The order has an implied price from the makers perspective:\n // order price = order.makerAssetAmount / order.takerAssetAmount\n // i.e. the number of makerAsset maker is paying per takerAsset. The\n // maker is guaranteed to get this price or a better (lower) one. The\n // actual price maker is getting in this fill is:\n // fill price = makerAssetFilledAmount / takerAssetFilledAmount\n // We need `fill price <= order price` for the fill to be fair to maker.\n // This amounts to:\n // makerAssetFilledAmount order.makerAssetAmount\n // ------------------------ <= -----------------------\n // takerAssetFilledAmount order.takerAssetAmount\n // or, equivalently:\n // makerAssetFilledAmount * order.takerAssetAmount <=\n // order.makerAssetAmount * takerAssetFilledAmount\n // NOTE: This assertion should never fail, it is here\n // as an extra defence against potential bugs.\n require(\n safeMul(makerAssetFilledAmount, order.takerAssetAmount)\n <= \n safeMul(order.makerAssetAmount, takerAssetFilledAmount),\n \"INVALID_FILL_PRICE\"\n );\n }\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n Order memory order,\n OrderInfo memory orderInfo\n )\n internal\n view\n {\n // Ensure order is valid\n // An order can only be cancelled if its status is FILLABLE.\n require(\n orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),\n \"ORDER_UNFILLABLE\"\n );\n\n // Validate sender is allowed to cancel this order\n if (order.senderAddress != address(0)) {\n require(\n order.senderAddress == msg.sender,\n \"INVALID_SENDER\"\n );\n }\n\n // Validate transaction signed by maker\n address makerAddress = getCurrentContextAddress();\n require(\n order.makerAddress == makerAddress,\n \"INVALID_MAKER\"\n );\n }\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (FillResults memory fillResults)\n {\n // Compute proportional transfer amounts\n fillResults.takerAssetFilledAmount = takerAssetFilledAmount;\n fillResults.makerAssetFilledAmount = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.makerAssetAmount\n );\n fillResults.makerFeePaid = safeGetPartialAmountFloor(\n fillResults.makerAssetFilledAmount,\n order.makerAssetAmount,\n order.makerFee\n );\n fillResults.takerFeePaid = safeGetPartialAmountFloor(\n takerAssetFilledAmount,\n order.takerAssetAmount,\n order.takerFee\n );\n\n return fillResults;\n }\n\n /// @dev Settles an order by transferring assets between counterparties.\n /// @param order Order struct containing order specifications.\n /// @param takerAddress Address selling takerAsset and buying makerAsset.\n /// @param fillResults Amounts to be filled and fees paid by maker and taker.\n function settleOrder(\n LibOrder.Order memory order,\n address takerAddress,\n LibFillResults.FillResults memory fillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n dispatchTransferFrom(\n order.makerAssetData,\n order.makerAddress,\n takerAddress,\n fillResults.makerAssetFilledAmount\n );\n dispatchTransferFrom(\n order.takerAssetData,\n takerAddress,\n order.makerAddress,\n fillResults.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n zrxAssetData,\n order.makerAddress,\n order.feeRecipientAddress,\n fillResults.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n order.feeRecipientAddress,\n fillResults.takerFeePaid\n );\n }\n}\n", + "2.0.0/protocol/Exchange/MixinMatchOrders.sol": "/*\n Copyright 2018 ZeroEx Intl.\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n http://www.apache.org/licenses/LICENSE-2.0\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibConstants.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MMatchOrders.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./mixins/MAssetProxyDispatcher.sol\";\n\n\ncontract MixinMatchOrders is\n ReentrancyGuard,\n LibConstants,\n LibMath,\n MAssetProxyDispatcher,\n MExchangeCore,\n MMatchOrders,\n MTransactions\n{\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n nonReentrant\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // We assume that rightOrder.takerAssetData == leftOrder.makerAssetData and rightOrder.makerAssetData == leftOrder.takerAssetData.\n // If this assumption isn't true, the match will fail at signature validation.\n rightOrder.makerAssetData = leftOrder.takerAssetData;\n rightOrder.takerAssetData = leftOrder.makerAssetData;\n\n // Get left & right order info\n LibOrder.OrderInfo memory leftOrderInfo = getOrderInfo(leftOrder);\n LibOrder.OrderInfo memory rightOrderInfo = getOrderInfo(rightOrder);\n\n // Fetch taker address\n address takerAddress = getCurrentContextAddress();\n \n // Either our context is valid or we revert\n assertFillableOrder(\n leftOrder,\n leftOrderInfo,\n takerAddress,\n leftSignature\n );\n assertFillableOrder(\n rightOrder,\n rightOrderInfo,\n takerAddress,\n rightSignature\n );\n assertValidMatch(leftOrder, rightOrder);\n\n // Compute proportional fill amounts\n matchedFillResults = calculateMatchedFillResults(\n leftOrder,\n rightOrder,\n leftOrderInfo.orderTakerAssetFilledAmount,\n rightOrderInfo.orderTakerAssetFilledAmount\n );\n\n // Validate fill contexts\n assertValidFill(\n leftOrder,\n leftOrderInfo,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.takerAssetFilledAmount,\n matchedFillResults.left.makerAssetFilledAmount\n );\n assertValidFill(\n rightOrder,\n rightOrderInfo,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n \n // Update exchange state\n updateFilledState(\n leftOrder,\n takerAddress,\n leftOrderInfo.orderHash,\n leftOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.left\n );\n updateFilledState(\n rightOrder,\n takerAddress,\n rightOrderInfo.orderHash,\n rightOrderInfo.orderTakerAssetFilledAmount,\n matchedFillResults.right\n );\n\n // Settle matched orders. Succeeds or throws.\n settleMatchedOrders(\n leftOrder,\n rightOrder,\n takerAddress,\n matchedFillResults\n );\n\n return matchedFillResults;\n }\n\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure\n {\n // Make sure there is a profitable spread.\n // There is a profitable spread iff the cost per unit bought (OrderA.MakerAmount/OrderA.TakerAmount) for each order is greater\n // than the profit per unit sold of the matched order (OrderB.TakerAmount/OrderB.MakerAmount).\n // This is satisfied by the equations below:\n // / >= / \n // AND\n // / >= / \n // These equations can be combined to get the following:\n require(\n safeMul(leftOrder.makerAssetAmount, rightOrder.makerAssetAmount) >=\n safeMul(leftOrder.takerAssetAmount, rightOrder.takerAssetAmount),\n \"NEGATIVE_SPREAD_REQUIRED\"\n );\n }\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults)\n {\n // Derive maker asset amounts for left & right orders, given store taker assert amounts\n uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);\n uint256 leftMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n leftTakerAssetAmountRemaining\n );\n uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);\n uint256 rightMakerAssetAmountRemaining = safeGetPartialAmountFloor(\n rightOrder.makerAssetAmount,\n rightOrder.takerAssetAmount,\n rightTakerAssetAmountRemaining\n );\n\n // Calculate fill results for maker and taker assets: at least one order will be fully filled.\n // The maximum amount the left maker can buy is `leftTakerAssetAmountRemaining`\n // The maximum amount the right maker can sell is `rightMakerAssetAmountRemaining`\n // We have two distinct cases for calculating the fill results:\n // Case 1.\n // If the left maker can buy more than the right maker can sell, then only the right order is fully filled.\n // If the left maker can buy exactly what the right maker can sell, then both orders are fully filled.\n // Case 2.\n // If the left maker cannot buy more than the right maker can sell, then only the left order is fully filled.\n if (leftTakerAssetAmountRemaining >= rightMakerAssetAmountRemaining) {\n // Case 1: Right order is fully filled\n matchedFillResults.right.makerAssetFilledAmount = rightMakerAssetAmountRemaining;\n matchedFillResults.right.takerAssetFilledAmount = rightTakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = matchedFillResults.right.makerAssetFilledAmount;\n // Round down to ensure the maker's exchange rate does not exceed the price specified by the order. \n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.left.makerAssetFilledAmount = safeGetPartialAmountFloor(\n leftOrder.makerAssetAmount,\n leftOrder.takerAssetAmount,\n matchedFillResults.left.takerAssetFilledAmount\n );\n } else {\n // Case 2: Left order is fully filled\n matchedFillResults.left.makerAssetFilledAmount = leftMakerAssetAmountRemaining;\n matchedFillResults.left.takerAssetFilledAmount = leftTakerAssetAmountRemaining;\n matchedFillResults.right.makerAssetFilledAmount = matchedFillResults.left.takerAssetFilledAmount;\n // Round up to ensure the maker's exchange rate does not exceed the price specified by the order.\n // We favor the maker when the exchange rate must be rounded.\n matchedFillResults.right.takerAssetFilledAmount = safeGetPartialAmountCeil(\n rightOrder.takerAssetAmount,\n rightOrder.makerAssetAmount,\n matchedFillResults.right.makerAssetFilledAmount\n );\n }\n\n // Calculate amount given to taker\n matchedFillResults.leftMakerAssetSpreadAmount = safeSub(\n matchedFillResults.left.makerAssetFilledAmount,\n matchedFillResults.right.takerAssetFilledAmount\n );\n\n // Compute fees for left order\n matchedFillResults.left.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.makerAssetFilledAmount,\n leftOrder.makerAssetAmount,\n leftOrder.makerFee\n );\n matchedFillResults.left.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.left.takerAssetFilledAmount,\n leftOrder.takerAssetAmount,\n leftOrder.takerFee\n );\n\n // Compute fees for right order\n matchedFillResults.right.makerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.makerAssetFilledAmount,\n rightOrder.makerAssetAmount,\n rightOrder.makerFee\n );\n matchedFillResults.right.takerFeePaid = safeGetPartialAmountFloor(\n matchedFillResults.right.takerAssetFilledAmount,\n rightOrder.takerAssetAmount,\n rightOrder.takerFee\n );\n\n // Return fill results\n return matchedFillResults;\n }\n\n /// @dev Settles matched order by transferring appropriate funds between order makers, taker, and fee recipient.\n /// @param leftOrder First matched order.\n /// @param rightOrder Second matched order.\n /// @param takerAddress Address that matched the orders. The taker receives the spread between orders as profit.\n /// @param matchedFillResults Struct holding amounts to transfer between makers, taker, and fee recipients.\n function settleMatchedOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n address takerAddress,\n LibFillResults.MatchedFillResults memory matchedFillResults\n )\n private\n {\n bytes memory zrxAssetData = ZRX_ASSET_DATA;\n // Order makers and taker\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n rightOrder.makerAddress,\n matchedFillResults.right.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n rightOrder.makerAssetData,\n rightOrder.makerAddress,\n leftOrder.makerAddress,\n matchedFillResults.left.takerAssetFilledAmount\n );\n dispatchTransferFrom(\n leftOrder.makerAssetData,\n leftOrder.makerAddress,\n takerAddress,\n matchedFillResults.leftMakerAssetSpreadAmount\n );\n\n // Maker fees\n dispatchTransferFrom(\n zrxAssetData,\n leftOrder.makerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.makerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n rightOrder.makerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.makerFeePaid\n );\n\n // Taker fees\n if (leftOrder.feeRecipientAddress == rightOrder.feeRecipientAddress) {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n safeAdd(\n matchedFillResults.left.takerFeePaid,\n matchedFillResults.right.takerFeePaid\n )\n );\n } else {\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n leftOrder.feeRecipientAddress,\n matchedFillResults.left.takerFeePaid\n );\n dispatchTransferFrom(\n zrxAssetData,\n takerAddress,\n rightOrder.feeRecipientAddress,\n matchedFillResults.right.takerFeePaid\n );\n }\n }\n}\n", + "2.0.0/protocol/Exchange/MixinSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../utils/LibBytes/LibBytes.sol\";\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./interfaces/IWallet.sol\";\nimport \"./interfaces/IValidator.sol\";\n\n\ncontract MixinSignatureValidator is\n ReentrancyGuard,\n MSignatureValidator,\n MTransactions\n{\n using LibBytes for bytes;\n \n // Mapping of hash => signer => signed\n mapping (bytes32 => mapping (address => bool)) public preSigned;\n\n // Mapping of signer => validator => approved\n mapping (address => mapping (address => bool)) public allowedValidators;\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n {\n if (signerAddress != msg.sender) {\n require(\n isValidSignature(\n hash,\n signerAddress,\n signature\n ),\n \"INVALID_SIGNATURE\"\n );\n }\n preSigned[hash][signerAddress] = true;\n }\n\n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external\n nonReentrant\n {\n address signerAddress = getCurrentContextAddress();\n allowedValidators[signerAddress][validatorAddress] = approval;\n emit SignatureValidatorApproval(\n signerAddress,\n validatorAddress,\n approval\n );\n }\n\n /// @dev Verifies that a hash has been signed by the given signer.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid)\n {\n require(\n signature.length > 0,\n \"LENGTH_GREATER_THAN_0_REQUIRED\"\n );\n\n // Pop last byte off of signature byte array.\n uint8 signatureTypeRaw = uint8(signature.popLastByte());\n\n // Ensure signature is supported\n require(\n signatureTypeRaw < uint8(SignatureType.NSignatureTypes),\n \"SIGNATURE_UNSUPPORTED\"\n );\n\n SignatureType signatureType = SignatureType(signatureTypeRaw);\n\n // Variables are not scoped in Solidity.\n uint8 v;\n bytes32 r;\n bytes32 s;\n address recovered;\n\n // Always illegal signature.\n // This is always an implicit option since a signer can create a\n // signature array with invalid type or length. We may as well make\n // it an explicit option. This aids testing and analysis. It is\n // also the initialization value for the enum type.\n if (signatureType == SignatureType.Illegal) {\n revert(\"SIGNATURE_ILLEGAL\");\n\n // Always invalid signature.\n // Like Illegal, this is always implicitly available and therefore\n // offered explicitly. It can be implicitly created by providing\n // a correctly formatted but incorrect signature.\n } else if (signatureType == SignatureType.Invalid) {\n require(\n signature.length == 0,\n \"LENGTH_0_REQUIRED\"\n );\n isValid = false;\n return isValid;\n\n // Signature using EIP712\n } else if (signatureType == SignatureType.EIP712) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n hash,\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signed using web3.eth_sign\n } else if (signatureType == SignatureType.EthSign) {\n require(\n signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n v = uint8(signature[0]);\n r = signature.readBytes32(1);\n s = signature.readBytes32(33);\n recovered = ecrecover(\n keccak256(abi.encodePacked(\n \"\\x19Ethereum Signed Message:\\n32\",\n hash\n )),\n v,\n r,\n s\n );\n isValid = signerAddress == recovered;\n return isValid;\n\n // Signature verified by wallet contract.\n // If used with an order, the maker of the order is the wallet contract.\n } else if (signatureType == SignatureType.Wallet) {\n isValid = isValidWalletSignature(\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signature verified by validator contract.\n // If used with an order, the maker of the order can still be an EOA.\n // A signature using this type should be encoded as:\n // | Offset | Length | Contents |\n // | 0x00 | x | Signature to validate |\n // | 0x00 + x | 20 | Address of validator contract |\n // | 0x14 + x | 1 | Signature type is always \"\\x06\" |\n } else if (signatureType == SignatureType.Validator) {\n // Pop last 20 bytes off of signature byte array.\n address validatorAddress = signature.popLast20Bytes();\n \n // Ensure signer has approved validator.\n if (!allowedValidators[signerAddress][validatorAddress]) {\n return false;\n }\n isValid = isValidValidatorSignature(\n validatorAddress,\n hash,\n signerAddress,\n signature\n );\n return isValid;\n\n // Signer signed hash previously using the preSign function.\n } else if (signatureType == SignatureType.PreSigned) {\n isValid = preSigned[hash][signerAddress];\n return isValid;\n }\n\n // Anything else is illegal (We do not return false because\n // the signature may actually be valid, just not in a format\n // that we currently support. In this case returning false\n // may lead the caller to incorrectly believe that the\n // signature was invalid.)\n revert(\"SIGNATURE_UNSUPPORTED\");\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if signature is valid for given wallet..\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IWallet(walletAddress).isValidSignature.selector,\n hash,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n walletAddress, // address of Wallet contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"WALLET_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000c57414c4c45545f4552524f5200000000000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid)\n {\n bytes memory calldata = abi.encodeWithSelector(\n IValidator(signerAddress).isValidSignature.selector,\n hash,\n signerAddress,\n signature\n );\n assembly {\n let cdStart := add(calldata, 32)\n let success := staticcall(\n gas, // forward all gas\n validatorAddress, // address of Validator contract\n cdStart, // pointer to start of input\n mload(calldata), // length of input\n cdStart, // write output over input\n 32 // output size is 32 bytes\n )\n\n switch success\n case 0 {\n // Revert with `Error(\"VALIDATOR_ERROR\")`\n mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000)\n mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000)\n mstore(64, 0x0000000f56414c494441544f525f4552524f5200000000000000000000000000)\n mstore(96, 0)\n revert(0, 100)\n }\n case 1 {\n // Signature is valid if call did not revert and returned true\n isValid := mload(cdStart)\n }\n }\n return isValid;\n }\n}\n", + "2.0.0/protocol/Exchange/MixinTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"./libs/LibExchangeErrors.sol\";\nimport \"./mixins/MSignatureValidator.sol\";\nimport \"./mixins/MTransactions.sol\";\nimport \"./libs/LibEIP712.sol\";\n\n\ncontract MixinTransactions is\n LibEIP712,\n MSignatureValidator,\n MTransactions\n{\n // Mapping of transaction hash => executed\n // This prevents transactions from being executed more than once.\n mapping (bytes32 => bool) public transactions;\n\n // Address of current transaction signer\n address public currentContextAddress;\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external\n {\n // Prevent reentrancy\n require(\n currentContextAddress == address(0),\n \"REENTRANCY_ILLEGAL\"\n );\n\n bytes32 transactionHash = hashEIP712Message(hashZeroExTransaction(\n salt,\n signerAddress,\n data\n ));\n\n // Validate transaction has not been executed\n require(\n !transactions[transactionHash],\n \"INVALID_TX_HASH\"\n );\n\n // Transaction always valid if signer is sender of transaction\n if (signerAddress != msg.sender) {\n // Validate signature\n require(\n isValidSignature(\n transactionHash,\n signerAddress,\n signature\n ),\n \"INVALID_TX_SIGNATURE\"\n );\n\n // Set the current transaction signer\n currentContextAddress = signerAddress;\n }\n\n // Execute transaction\n transactions[transactionHash] = true;\n require(\n address(this).delegatecall(data),\n \"FAILED_EXECUTION\"\n );\n\n // Reset current transaction signer if it was previously updated\n if (signerAddress != msg.sender) {\n currentContextAddress = address(0);\n }\n }\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;\n bytes32 dataHash = keccak256(data);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,\n // salt,\n // bytes32(signerAddress),\n // keccak256(data)\n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, schemaHash) // hash of schema\n mstore(add(memPtr, 32), salt) // salt\n mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff)) // signerAddress\n mstore(add(memPtr, 96), dataHash) // hash of data\n\n // Compute hash\n result := keccak256(memPtr, 128)\n }\n return result;\n }\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address)\n {\n address currentContextAddress_ = currentContextAddress;\n address contextAddress = currentContextAddress_ == address(0) ? msg.sender : currentContextAddress_;\n return contextAddress;\n }\n}\n", + "2.0.0/protocol/Exchange/MixinWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../../utils/ReentrancyGuard/ReentrancyGuard.sol\";\nimport \"./libs/LibMath.sol\";\nimport \"./libs/LibOrder.sol\";\nimport \"./libs/LibFillResults.sol\";\nimport \"./libs/LibAbiEncoder.sol\";\nimport \"./mixins/MExchangeCore.sol\";\nimport \"./mixins/MWrapperFunctions.sol\";\n\n\ncontract MixinWrapperFunctions is\n ReentrancyGuard,\n LibMath,\n LibFillResults,\n LibAbiEncoder,\n MExchangeCore,\n MWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n nonReentrant\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrKillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n return fillResults;\n }\n\n /// @dev Fills the input order.\n /// Returns false if the transaction would otherwise revert.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (FillResults memory fillResults)\n {\n // ABI encode calldata for `fillOrder`\n bytes memory fillOrderCalldata = abiEncodeFillOrder(\n order,\n takerAssetFillAmount,\n signature\n );\n\n // Delegate to `fillOrder` and handle any exceptions gracefully\n assembly {\n let success := delegatecall(\n gas, // forward all gas\n address, // call address of this contract\n add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes)\n mload(fillOrderCalldata), // length of input\n fillOrderCalldata, // write output over input\n 128 // output size is 128 bytes\n )\n if success {\n mstore(fillResults, mload(fillOrderCalldata))\n mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32)))\n mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64)))\n mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96)))\n }\n }\n // fillResults values will be 0 by default if call was unsuccessful\n return fillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrKillOrderInternal(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n /// NOTE: makerAssetFilledAmount and takerAssetFilledAmount may include amounts filled of different assets.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n takerAssetFillAmounts[i],\n signatures[i]\n );\n addFillResults(totalFillResults, singleFillResults);\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n \n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory takerAssetData = orders[0].takerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being sold by taker is the same for each order.\n // Rather than passing this in as calldata, we use the takerAssetData from the first order in all later orders.\n orders[i].takerAssetData = takerAssetData;\n\n // Calculate the remaining amount of takerAsset to sell\n uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of takerAsset has been sold\n if (totalFillResults.takerAssetFilledAmount >= takerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n nonReentrant\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderInternal(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (FillResults memory totalFillResults)\n {\n bytes memory makerAssetData = orders[0].makerAssetData;\n\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n\n // We assume that asset being bought by taker is the same for each order.\n // Rather than passing this in as calldata, we copy the makerAssetData from the first order onto all later orders.\n orders[i].makerAssetData = makerAssetData;\n\n // Calculate the remaining amount of makerAsset to buy\n uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);\n\n // Convert the remaining amount of makerAsset to buy into remaining amount\n // of takerAsset to sell, assuming entire amount can be sold in the current order\n uint256 remainingTakerAssetFillAmount = getPartialAmountFloor(\n orders[i].takerAssetAmount,\n orders[i].makerAssetAmount,\n remainingMakerAssetFillAmount\n );\n\n // Attempt to sell the remaining amount of takerAsset\n FillResults memory singleFillResults = fillOrderNoThrow(\n orders[i],\n remainingTakerAssetFillAmount,\n signatures[i]\n );\n\n // Update amounts filled and fees paid by maker and taker\n addFillResults(totalFillResults, singleFillResults);\n\n // Stop execution if the entire amount of makerAsset has been bought\n if (totalFillResults.makerAssetFilledAmount >= makerAssetFillAmount) {\n break;\n }\n }\n return totalFillResults;\n }\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public\n nonReentrant\n {\n uint256 ordersLength = orders.length;\n for (uint256 i = 0; i != ordersLength; i++) {\n cancelOrderInternal(orders[i]);\n }\n }\n\n /// @dev Fetches information for all passed in orders.\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory)\n {\n uint256 ordersLength = orders.length;\n LibOrder.OrderInfo[] memory ordersInfo = new LibOrder.OrderInfo[](ordersLength);\n for (uint256 i = 0; i != ordersLength; i++) {\n ordersInfo[i] = getOrderInfo(orders[i]);\n }\n return ordersInfo;\n }\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (FillResults memory fillResults)\n {\n fillResults = fillOrderInternal(\n order,\n takerAssetFillAmount,\n signature\n );\n require(\n fillResults.takerAssetFilledAmount == takerAssetFillAmount,\n \"COMPLETE_FILL_FAILED\"\n );\n return fillResults;\n }\n}\n", + "2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IAssetProxyDispatcher {\n\n /// @dev Registers an asset proxy to its asset proxy id.\n /// Once an asset proxy is registered, it cannot be unregistered.\n /// @param assetProxy Address of new asset proxy to register.\n function registerAssetProxy(address assetProxy)\n external;\n\n /// @dev Gets an asset proxy.\n /// @param assetProxyId Id of the asset proxy.\n /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered.\n function getAssetProxy(bytes4 assetProxyId)\n external\n view\n returns (address);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IExchange.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./IExchangeCore.sol\";\nimport \"./IMatchOrders.sol\";\nimport \"./ISignatureValidator.sol\";\nimport \"./ITransactions.sol\";\nimport \"./IAssetProxyDispatcher.sol\";\nimport \"./IWrapperFunctions.sol\";\n\n\n// solhint-disable no-empty-blocks\ncontract IExchange is\n IExchangeCore,\n IMatchOrders,\n ISignatureValidator,\n ITransactions,\n IAssetProxyDispatcher,\n IWrapperFunctions\n{}\n", + "2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IExchangeCore {\n\n /// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch\n /// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).\n /// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.\n function cancelOrdersUpTo(uint256 targetOrderEpoch)\n external;\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrder(LibOrder.Order memory order)\n public;\n\n /// @dev Gets information about an order: status, hash, and amount filled.\n /// @param order Order to gather information on.\n /// @return OrderInfo Information about the order and its state.\n /// See LibOrder.OrderInfo for a complete description.\n function getOrderInfo(LibOrder.Order memory order)\n public\n view\n returns (LibOrder.OrderInfo memory orderInfo);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IMatchOrders {\n\n /// @dev Match two complementary orders that have a profitable spread.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the left order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftSignature Proof that order was created by the left maker.\n /// @param rightSignature Proof that order was created by the right maker.\n /// @return matchedFillResults Amounts filled and fees paid by maker and taker of matched orders.\n function matchOrders(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n bytes memory leftSignature,\n bytes memory rightSignature\n )\n public\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ISignatureValidator {\n\n /// @dev Approves a hash on-chain using any valid signature type.\n /// After presigning a hash, the preSign signature type will become valid for that hash and signer.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n function preSign(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external;\n \n /// @dev Approves/unnapproves a Validator contract to verify signatures on signer's behalf.\n /// @param validatorAddress Address of Validator contract.\n /// @param approval Approval or disapproval of Validator contract.\n function setSignatureValidatorApproval(\n address validatorAddress,\n bool approval\n )\n external;\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address of signer.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes memory signature\n )\n public\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/ITransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\n\ncontract ITransactions {\n\n /// @dev Executes an exchange method call in the context of signer.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @param signature Proof of signer transaction by signer.\n function executeTransaction(\n uint256 salt,\n address signerAddress,\n bytes data,\n bytes signature\n )\n external;\n}\n", + "2.0.0/protocol/Exchange/interfaces/IValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IValidator {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IWallet {\n\n /// @dev Verifies that a signature is valid.\n /// @param hash Message hash that is signed.\n /// @param signature Proof of signing.\n /// @return Validity of order signature.\n function isValidSignature(\n bytes32 hash,\n bytes signature\n )\n external\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\n\n\ncontract IWrapperFunctions {\n\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderNoThrow(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n public\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrKill.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrKillOrders(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Fills an order with specified parameters and ECDSA signature.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmounts Array of desired amounts of takerAsset to sell in orders.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function batchFillOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256[] memory takerAssetFillAmounts,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been created by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrders(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of takerAsset is sold by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketSellOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 takerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple calls of fillOrder until total amount of makerAsset is bought by taker.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrders(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker.\n /// Returns false if the transaction would otherwise revert.\n /// @param orders Array of order specifications.\n /// @param makerAssetFillAmount Desired amount of makerAsset to buy.\n /// @param signatures Proofs that orders have been signed by makers.\n /// @return Amounts filled and fees paid by makers and taker.\n function marketBuyOrdersNoThrow(\n LibOrder.Order[] memory orders,\n uint256 makerAssetFillAmount,\n bytes[] memory signatures\n )\n public\n returns (LibFillResults.FillResults memory totalFillResults);\n\n /// @dev Synchronously cancels multiple orders in a single transaction.\n /// @param orders Array of order specifications.\n function batchCancelOrders(LibOrder.Order[] memory orders)\n public;\n\n /// @dev Fetches information for all passed in orders\n /// @param orders Array of order specifications.\n /// @return Array of OrderInfo instances that correspond to each order.\n function getOrdersInfo(LibOrder.Order[] memory orders)\n public\n view\n returns (LibOrder.OrderInfo[] memory);\n}\n", + "2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"./LibOrder.sol\";\n\n\ncontract LibAbiEncoder {\n\n /// @dev ABI encodes calldata for `fillOrder`.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return ABI encoded calldata for `fillOrder`.\n function abiEncodeFillOrder(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n pure\n returns (bytes memory fillOrderCalldata)\n {\n // We need to call MExchangeCore.fillOrder using a delegatecall in\n // assembly so that we can intercept a call that throws. For this, we\n // need the input encoded in memory in the Ethereum ABIv2 format [1].\n\n // | Area | Offset | Length | Contents |\n // | -------- |--------|---------|-------------------------------------------- |\n // | Header | 0x00 | 4 | function selector |\n // | Params | | 3 * 32 | function parameters: |\n // | | 0x00 | | 1. offset to order (*) |\n // | | 0x20 | | 2. takerAssetFillAmount |\n // | | 0x40 | | 3. offset to signature (*) |\n // | Data | | 12 * 32 | order: |\n // | | 0x000 | | 1. senderAddress |\n // | | 0x020 | | 2. makerAddress |\n // | | 0x040 | | 3. takerAddress |\n // | | 0x060 | | 4. feeRecipientAddress |\n // | | 0x080 | | 5. makerAssetAmount |\n // | | 0x0A0 | | 6. takerAssetAmount |\n // | | 0x0C0 | | 7. makerFeeAmount |\n // | | 0x0E0 | | 8. takerFeeAmount |\n // | | 0x100 | | 9. expirationTimeSeconds |\n // | | 0x120 | | 10. salt |\n // | | 0x140 | | 11. Offset to makerAssetData (*) |\n // | | 0x160 | | 12. Offset to takerAssetData (*) |\n // | | 0x180 | 32 | makerAssetData Length |\n // | | 0x1A0 | ** | makerAssetData Contents |\n // | | 0x1C0 | 32 | takerAssetData Length |\n // | | 0x1E0 | ** | takerAssetData Contents |\n // | | 0x200 | 32 | signature Length |\n // | | 0x220 | ** | signature Contents |\n\n // * Offsets are calculated from the beginning of the current area: Header, Params, Data:\n // An offset stored in the Params area is calculated from the beginning of the Params section.\n // An offset stored in the Data area is calculated from the beginning of the Data section.\n\n // ** The length of dynamic array contents are stored in the field immediately preceeding the contents.\n\n // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html\n\n assembly {\n\n // Areas below may use the following variables:\n // 1. Start -- Start of this area in memory\n // 2. End -- End of this area in memory. This value may\n // be precomputed (before writing contents),\n // or it may be computed as contents are written.\n // 3. Offset -- Current offset into area. If an area's End\n // is precomputed, this variable tracks the\n // offsets of contents as they are written.\n\n /////// Setup Header Area ///////\n // Load free memory pointer\n fillOrderCalldata := mload(0x40)\n // bytes4(keccak256(\"fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)\"))\n // = 0xb4be83d5\n // Leave 0x20 bytes to store the length\n mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000)\n let headerAreaEnd := add(fillOrderCalldata, 0x24)\n\n /////// Setup Params Area ///////\n // This area is preallocated and written to later.\n // This is because we need to fill in offsets that have not yet been calculated.\n let paramsAreaStart := headerAreaEnd\n let paramsAreaEnd := add(paramsAreaStart, 0x60)\n let paramsAreaOffset := paramsAreaStart\n\n /////// Setup Data Area ///////\n let dataAreaStart := paramsAreaEnd\n let dataAreaEnd := dataAreaStart\n\n // Offset from the source data we're reading from\n let sourceOffset := order\n // arrayLenBytes and arrayLenWords track the length of a dynamically-allocated bytes array.\n let arrayLenBytes := 0\n let arrayLenWords := 0\n\n /////// Write order Struct ///////\n // Write memory location of Order, relative to the start of the\n // parameter list, then increment the paramsAreaOffset respectively.\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n // Write values for each field in the order\n // It would be nice to use a loop, but we save on gas by writing\n // the stores sequentially.\n mstore(dataAreaEnd, mload(sourceOffset)) // makerAddress\n mstore(add(dataAreaEnd, 0x20), mload(add(sourceOffset, 0x20))) // takerAddress\n mstore(add(dataAreaEnd, 0x40), mload(add(sourceOffset, 0x40))) // feeRecipientAddress\n mstore(add(dataAreaEnd, 0x60), mload(add(sourceOffset, 0x60))) // senderAddress\n mstore(add(dataAreaEnd, 0x80), mload(add(sourceOffset, 0x80))) // makerAssetAmount\n mstore(add(dataAreaEnd, 0xA0), mload(add(sourceOffset, 0xA0))) // takerAssetAmount\n mstore(add(dataAreaEnd, 0xC0), mload(add(sourceOffset, 0xC0))) // makerFeeAmount\n mstore(add(dataAreaEnd, 0xE0), mload(add(sourceOffset, 0xE0))) // takerFeeAmount\n mstore(add(dataAreaEnd, 0x100), mload(add(sourceOffset, 0x100))) // expirationTimeSeconds\n mstore(add(dataAreaEnd, 0x120), mload(add(sourceOffset, 0x120))) // salt\n mstore(add(dataAreaEnd, 0x140), mload(add(sourceOffset, 0x140))) // Offset to makerAssetData\n mstore(add(dataAreaEnd, 0x160), mload(add(sourceOffset, 0x160))) // Offset to takerAssetData\n dataAreaEnd := add(dataAreaEnd, 0x180)\n sourceOffset := add(sourceOffset, 0x180)\n\n // Write offset to \n mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x140)) // makerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Write offset to \n mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))\n\n // Calculate length of \n sourceOffset := mload(add(order, 0x160)) // takerAssetData\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of \n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of \n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n /////// Write takerAssetFillAmount ///////\n mstore(paramsAreaOffset, takerAssetFillAmount)\n paramsAreaOffset := add(paramsAreaOffset, 0x20)\n\n /////// Write signature ///////\n // Write offset to paramsArea\n mstore(paramsAreaOffset, sub(dataAreaEnd, paramsAreaStart))\n\n // Calculate length of signature\n sourceOffset := signature\n arrayLenBytes := mload(sourceOffset)\n sourceOffset := add(sourceOffset, 0x20)\n arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)\n\n // Write length of signature\n mstore(dataAreaEnd, arrayLenBytes)\n dataAreaEnd := add(dataAreaEnd, 0x20)\n\n // Write contents of signature\n for {let i := 0} lt(i, arrayLenWords) {i := add(i, 1)} {\n mstore(dataAreaEnd, mload(sourceOffset))\n dataAreaEnd := add(dataAreaEnd, 0x20)\n sourceOffset := add(sourceOffset, 0x20)\n }\n\n // Set length of calldata\n mstore(fillOrderCalldata, sub(dataAreaEnd, add(fillOrderCalldata, 0x20)))\n\n // Increment free memory pointer\n mstore(0x40, dataAreaEnd)\n }\n\n return fillOrderCalldata;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibConstants.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\n// solhint-disable max-line-length\ncontract LibConstants {\n \n // Asset data for ZRX token. Used for fee transfers.\n // @TODO: Hardcode constant when we deploy. Currently \n // not constant to make testing easier.\n\n // The proxyId for ZRX_ASSET_DATA is bytes4(keccak256(\"ERC20Token(address)\")) = 0xf47261b0\n \n // Kovan ZRX address is 0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570.\n // The ABI encoded proxyId and address is 0xf47261b00000000000000000000000006ff6c0ff1d68b964901f986d4c9fa3ac68346570\n // bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x6f\\xf6\\xc0\\xff\\x1d\\x68\\xb9\\x64\\x90\\x1f\\x98\\x6d\\x4c\\x9f\\xa3\\xac\\x68\\x34\\x65\\x70\";\n \n // Mainnet ZRX address is 0xe41d2489571d322189246dafa5ebde1f4699f498.\n // The ABI encoded proxyId and address is 0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\n bytes constant public ZRX_ASSET_DATA = \"\\xf4\\x72\\x61\\xb0\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xe4\\x1d\\x24\\x89\\x57\\x1d\\x32\\x21\\x89\\x24\\x6d\\xaf\\xa5\\xeb\\xde\\x1f\\x46\\x99\\xf4\\x98\";\n}\n// solhint-enable max-line-length\n", + "2.0.0/protocol/Exchange/libs/LibEIP712.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract LibEIP712 {\n\n // EIP191 header for EIP712 prefix\n string constant internal EIP191_HEADER = \"\\x19\\x01\";\n\n // EIP712 Domain Name value\n string constant internal EIP712_DOMAIN_NAME = \"0x Protocol\";\n\n // EIP712 Domain Version value\n string constant internal EIP712_DOMAIN_VERSION = \"2\";\n\n // Hash of the EIP712 Domain Separator Schema\n bytes32 constant internal EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"EIP712Domain(\",\n \"string name,\",\n \"string version,\",\n \"address verifyingContract\",\n \")\"\n ));\n\n // Hash of the EIP712 Domain Separator data\n // solhint-disable-next-line var-name-mixedcase\n bytes32 public EIP712_DOMAIN_HASH;\n\n constructor ()\n public\n {\n EIP712_DOMAIN_HASH = keccak256(abi.encodePacked(\n EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH,\n keccak256(bytes(EIP712_DOMAIN_NAME)),\n keccak256(bytes(EIP712_DOMAIN_VERSION)),\n bytes32(address(this))\n ));\n }\n\n /// @dev Calculates EIP712 encoding for a hash struct in this EIP712 Domain.\n /// @param hashStruct The EIP712 hash struct.\n /// @return EIP712 hash applied to this EIP712 Domain.\n function hashEIP712Message(bytes32 hashStruct)\n internal\n view\n returns (bytes32 result)\n {\n bytes32 eip712DomainHash = EIP712_DOMAIN_HASH;\n\n // Assembly for more efficient computing:\n // keccak256(abi.encodePacked(\n // EIP191_HEADER,\n // EIP712_DOMAIN_HASH,\n // hashStruct \n // ));\n\n assembly {\n // Load free memory pointer\n let memPtr := mload(64)\n\n mstore(memPtr, 0x1901000000000000000000000000000000000000000000000000000000000000) // EIP191 header\n mstore(add(memPtr, 2), eip712DomainHash) // EIP712 domain hash\n mstore(add(memPtr, 34), hashStruct) // Hash of struct\n\n // Compute hash\n result := keccak256(memPtr, 66)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity 0.4.24;\n\n\n/// @dev This contract documents the revert reasons used in the Exchange contract.\n/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons.\ncontract LibExchangeErrors {\n\n /// Order validation errors ///\n string constant ORDER_UNFILLABLE = \"ORDER_UNFILLABLE\"; // Order cannot be filled.\n string constant INVALID_MAKER = \"INVALID_MAKER\"; // Invalid makerAddress.\n string constant INVALID_TAKER = \"INVALID_TAKER\"; // Invalid takerAddress.\n string constant INVALID_SENDER = \"INVALID_SENDER\"; // Invalid `msg.sender`.\n string constant INVALID_ORDER_SIGNATURE = \"INVALID_ORDER_SIGNATURE\"; // Signature validation failed. \n \n /// fillOrder validation errors ///\n string constant INVALID_TAKER_AMOUNT = \"INVALID_TAKER_AMOUNT\"; // takerAssetFillAmount cannot equal 0.\n string constant ROUNDING_ERROR = \"ROUNDING_ERROR\"; // Rounding error greater than 0.1% of takerAssetFillAmount. \n \n /// Signature validation errors ///\n string constant INVALID_SIGNATURE = \"INVALID_SIGNATURE\"; // Signature validation failed. \n string constant SIGNATURE_ILLEGAL = \"SIGNATURE_ILLEGAL\"; // Signature type is illegal.\n string constant SIGNATURE_UNSUPPORTED = \"SIGNATURE_UNSUPPORTED\"; // Signature type unsupported.\n \n /// cancelOrdersUptTo errors ///\n string constant INVALID_NEW_ORDER_EPOCH = \"INVALID_NEW_ORDER_EPOCH\"; // Specified salt must be greater than or equal to existing orderEpoch.\n\n /// fillOrKillOrder errors ///\n string constant COMPLETE_FILL_FAILED = \"COMPLETE_FILL_FAILED\"; // Desired takerAssetFillAmount could not be completely filled. \n\n /// matchOrders errors ///\n string constant NEGATIVE_SPREAD_REQUIRED = \"NEGATIVE_SPREAD_REQUIRED\"; // Matched orders must have a negative spread.\n\n /// Transaction errors ///\n string constant REENTRANCY_ILLEGAL = \"REENTRANCY_ILLEGAL\"; // Recursive reentrancy is not allowed. \n string constant INVALID_TX_HASH = \"INVALID_TX_HASH\"; // Transaction has already been executed. \n string constant INVALID_TX_SIGNATURE = \"INVALID_TX_SIGNATURE\"; // Signature validation failed. \n string constant FAILED_EXECUTION = \"FAILED_EXECUTION\"; // Transaction execution failed. \n \n /// registerAssetProxy errors ///\n string constant ASSET_PROXY_ALREADY_EXISTS = \"ASSET_PROXY_ALREADY_EXISTS\"; // AssetProxy with same id already exists.\n\n /// dispatchTransferFrom errors ///\n string constant ASSET_PROXY_DOES_NOT_EXIST = \"ASSET_PROXY_DOES_NOT_EXIST\"; // No assetProxy registered at given id.\n string constant TRANSFER_FAILED = \"TRANSFER_FAILED\"; // Asset transfer unsuccesful.\n\n /// Length validation errors ///\n string constant LENGTH_GREATER_THAN_0_REQUIRED = \"LENGTH_GREATER_THAN_0_REQUIRED\"; // Byte array must have a length greater than 0.\n string constant LENGTH_GREATER_THAN_3_REQUIRED = \"LENGTH_GREATER_THAN_3_REQUIRED\"; // Byte array must have a length greater than 3.\n string constant LENGTH_0_REQUIRED = \"LENGTH_0_REQUIRED\"; // Byte array must have a length of 0.\n string constant LENGTH_65_REQUIRED = \"LENGTH_65_REQUIRED\"; // Byte array must have a length of 65.\n}\n", + "2.0.0/protocol/Exchange/libs/LibFillResults.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibFillResults is\n SafeMath\n{\n struct FillResults {\n uint256 makerAssetFilledAmount; // Total amount of makerAsset(s) filled.\n uint256 takerAssetFilledAmount; // Total amount of takerAsset(s) filled.\n uint256 makerFeePaid; // Total amount of ZRX paid by maker(s) to feeRecipient(s).\n uint256 takerFeePaid; // Total amount of ZRX paid by taker to feeRecipients(s).\n }\n\n struct MatchedFillResults {\n FillResults left; // Amounts filled and fees paid of left order.\n FillResults right; // Amounts filled and fees paid of right order.\n uint256 leftMakerAssetSpreadAmount; // Spread between price of left and right order, denominated in the left order's makerAsset, paid to taker.\n }\n\n /// @dev Adds properties of both FillResults instances.\n /// Modifies the first FillResults instance specified.\n /// @param totalFillResults Fill results instance that will be added onto.\n /// @param singleFillResults Fill results instance that will be added to totalFillResults.\n function addFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)\n internal\n pure\n {\n totalFillResults.makerAssetFilledAmount = safeAdd(totalFillResults.makerAssetFilledAmount, singleFillResults.makerAssetFilledAmount);\n totalFillResults.takerAssetFilledAmount = safeAdd(totalFillResults.takerAssetFilledAmount, singleFillResults.takerAssetFilledAmount);\n totalFillResults.makerFeePaid = safeAdd(totalFillResults.makerFeePaid, singleFillResults.makerFeePaid);\n totalFillResults.takerFeePaid = safeAdd(totalFillResults.takerFeePaid, singleFillResults.takerFeePaid);\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibMath.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../../../utils/SafeMath/SafeMath.sol\";\n\n\ncontract LibMath is\n SafeMath\n{\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function safeGetPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorFloor(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// Reverts if rounding error is >= 0.1%\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function safeGetPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n require(\n !isRoundingErrorCeil(\n numerator,\n denominator,\n target\n ),\n \"ROUNDING_ERROR\"\n );\n \n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n\n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded down.\n function getPartialAmountFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n partialAmount = safeDiv(\n safeMul(numerator, target),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Calculates partial value given a numerator and denominator rounded down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to calculate partial of.\n /// @return Partial value of target rounded up.\n function getPartialAmountCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (uint256 partialAmount)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n\n // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):\n // ceil(a / b) = floor((a + b - 1) / b)\n // To implement `ceil(a / b)` using safeDiv.\n partialAmount = safeDiv(\n safeAdd(\n safeMul(numerator, target),\n safeSub(denominator, 1)\n ),\n denominator\n );\n return partialAmount;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding down.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorFloor(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // The absolute rounding error is the difference between the rounded\n // value and the ideal value. The relative rounding error is the\n // absolute rounding error divided by the absolute value of the\n // ideal value. This is undefined when the ideal value is zero.\n //\n // The ideal value is `numerator * target / denominator`.\n // Let's call `numerator * target % denominator` the remainder.\n // The absolute error is `remainder / denominator`.\n //\n // When the ideal value is zero, we require the absolute error to\n // be zero. Fortunately, this is always the case. The ideal value is\n // zero iff `numerator == 0` and/or `target == 0`. In this case the\n // remainder and absolute error are also zero. \n if (target == 0 || numerator == 0) {\n return false;\n }\n \n // Otherwise, we want the relative rounding error to be strictly\n // less than 0.1%.\n // The relative error is `remainder / (numerator * target)`.\n // We want the relative error less than 1 / 1000:\n // remainder / (numerator * denominator) < 1 / 1000\n // or equivalently:\n // 1000 * remainder < numerator * target\n // so we have a rounding error iff:\n // 1000 * remainder >= numerator * target\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n \n /// @dev Checks if rounding error >= 0.1% when rounding up.\n /// @param numerator Numerator.\n /// @param denominator Denominator.\n /// @param target Value to multiply with numerator/denominator.\n /// @return Rounding error is present.\n function isRoundingErrorCeil(\n uint256 numerator,\n uint256 denominator,\n uint256 target\n )\n internal\n pure\n returns (bool isError)\n {\n require(\n denominator > 0,\n \"DIVISION_BY_ZERO\"\n );\n \n // See the comments in `isRoundingError`.\n if (target == 0 || numerator == 0) {\n // When either is zero, the ideal value and rounded value are zero\n // and there is no rounding error. (Although the relative error\n // is undefined.)\n return false;\n }\n // Compute remainder as before\n uint256 remainder = mulmod(\n target,\n numerator,\n denominator\n );\n remainder = safeSub(denominator, remainder) % denominator;\n isError = safeMul(1000, remainder) >= safeMul(numerator, target);\n return isError;\n }\n}\n", + "2.0.0/protocol/Exchange/libs/LibOrder.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"./LibEIP712.sol\";\n\n\ncontract LibOrder is\n LibEIP712\n{\n // Hash for the EIP712 Order Schema\n bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"Order(\",\n \"address makerAddress,\",\n \"address takerAddress,\",\n \"address feeRecipientAddress,\",\n \"address senderAddress,\",\n \"uint256 makerAssetAmount,\",\n \"uint256 takerAssetAmount,\",\n \"uint256 makerFee,\",\n \"uint256 takerFee,\",\n \"uint256 expirationTimeSeconds,\",\n \"uint256 salt,\",\n \"bytes makerAssetData,\",\n \"bytes takerAssetData\",\n \")\"\n ));\n\n // A valid order remains fillable until it is expired, fully filled, or cancelled.\n // An order's state is unaffected by external factors, like account balances.\n enum OrderStatus {\n INVALID, // Default value\n INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount\n INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount\n FILLABLE, // Order is fillable\n EXPIRED, // Order has already expired\n FULLY_FILLED, // Order is fully filled\n CANCELLED // Order has been cancelled\n }\n\n // solhint-disable max-line-length\n struct Order {\n address makerAddress; // Address that created the order. \n address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order. \n address feeRecipientAddress; // Address that will recieve fees when order is filled. \n address senderAddress; // Address that is allowed to call Exchange contract methods that affect this order. If set to 0, any address is allowed to call these methods.\n uint256 makerAssetAmount; // Amount of makerAsset being offered by maker. Must be greater than 0. \n uint256 takerAssetAmount; // Amount of takerAsset being bid on by maker. Must be greater than 0. \n uint256 makerFee; // Amount of ZRX paid to feeRecipient by maker when order is filled. If set to 0, no transfer of ZRX from maker to feeRecipient will be attempted.\n uint256 takerFee; // Amount of ZRX paid to feeRecipient by taker when order is filled. If set to 0, no transfer of ZRX from taker to feeRecipient will be attempted.\n uint256 expirationTimeSeconds; // Timestamp in seconds at which order expires. \n uint256 salt; // Arbitrary number to facilitate uniqueness of the order's hash. \n bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.\n bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.\n }\n // solhint-enable max-line-length\n\n struct OrderInfo {\n uint8 orderStatus; // Status that describes order's validity and fillability.\n bytes32 orderHash; // EIP712 hash of the order (see LibOrder.getOrderHash).\n uint256 orderTakerAssetFilledAmount; // Amount of order that has already been filled.\n }\n\n /// @dev Calculates Keccak-256 hash of the order.\n /// @param order The order structure.\n /// @return Keccak-256 EIP712 hash of the order.\n function getOrderHash(Order memory order)\n internal\n view\n returns (bytes32 orderHash)\n {\n orderHash = hashEIP712Message(hashOrder(order));\n return orderHash;\n }\n\n /// @dev Calculates EIP712 hash of the order.\n /// @param order The order structure.\n /// @return EIP712 hash of the order.\n function hashOrder(Order memory order)\n internal\n pure\n returns (bytes32 result)\n {\n bytes32 schemaHash = EIP712_ORDER_SCHEMA_HASH;\n bytes32 makerAssetDataHash = keccak256(order.makerAssetData);\n bytes32 takerAssetDataHash = keccak256(order.takerAssetData);\n\n // Assembly for more efficiently computing:\n // keccak256(abi.encodePacked(\n // EIP712_ORDER_SCHEMA_HASH,\n // bytes32(order.makerAddress),\n // bytes32(order.takerAddress),\n // bytes32(order.feeRecipientAddress),\n // bytes32(order.senderAddress),\n // order.makerAssetAmount,\n // order.takerAssetAmount,\n // order.makerFee,\n // order.takerFee,\n // order.expirationTimeSeconds,\n // order.salt,\n // keccak256(order.makerAssetData),\n // keccak256(order.takerAssetData)\n // ));\n\n assembly {\n // Calculate memory addresses that will be swapped out before hashing\n let pos1 := sub(order, 32)\n let pos2 := add(order, 320)\n let pos3 := add(order, 352)\n\n // Backup\n let temp1 := mload(pos1)\n let temp2 := mload(pos2)\n let temp3 := mload(pos3)\n \n // Hash in place\n mstore(pos1, schemaHash)\n mstore(pos2, makerAssetDataHash)\n mstore(pos3, takerAssetDataHash)\n result := keccak256(pos1, 416)\n \n // Restore\n mstore(pos1, temp1)\n mstore(pos2, temp2)\n mstore(pos3, temp3)\n }\n return result;\n }\n}\n", + "2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/IAssetProxyDispatcher.sol\";\n\n\ncontract MAssetProxyDispatcher is\n IAssetProxyDispatcher\n{\n // Logs registration of new asset proxy\n event AssetProxyRegistered(\n bytes4 id, // Id of new registered AssetProxy.\n address assetProxy // Address of new registered AssetProxy.\n );\n\n /// @dev Forwards arguments to assetProxy and calls `transferFrom`. Either succeeds or throws.\n /// @param assetData Byte array encoded for the asset.\n /// @param from Address to transfer token from.\n /// @param to Address to transfer token to.\n /// @param amount Amount of token to transfer.\n function dispatchTransferFrom(\n bytes memory assetData,\n address from,\n address to,\n uint256 amount\n )\n internal;\n}\n", + "2.0.0/protocol/Exchange/mixins/MExchangeCore.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IExchangeCore.sol\";\n\n\ncontract MExchangeCore is\n IExchangeCore\n{\n // Fill event is emitted whenever an order is filled.\n event Fill(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that received fees.\n address takerAddress, // Address that filled the order.\n address senderAddress, // Address that called the Exchange contract (msg.sender).\n uint256 makerAssetFilledAmount, // Amount of makerAsset sold by maker and bought by taker. \n uint256 takerAssetFilledAmount, // Amount of takerAsset sold by taker and bought by maker.\n uint256 makerFeePaid, // Amount of ZRX paid to feeRecipient by maker.\n uint256 takerFeePaid, // Amount of ZRX paid to feeRecipient by taker.\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // Cancel event is emitted whenever an individual order is cancelled.\n event Cancel(\n address indexed makerAddress, // Address that created the order. \n address indexed feeRecipientAddress, // Address that would have recieved fees if order was filled. \n address senderAddress, // Address that called the Exchange contract (msg.sender).\n bytes32 indexed orderHash, // EIP712 hash of order (see LibOrder.getOrderHash).\n bytes makerAssetData, // Encoded data specific to makerAsset. \n bytes takerAssetData // Encoded data specific to takerAsset.\n );\n\n // CancelUpTo event is emitted whenever `cancelOrdersUpTo` is executed succesfully.\n event CancelUpTo(\n address indexed makerAddress, // Orders cancelled must have been created by this address.\n address indexed senderAddress, // Orders cancelled must have a `senderAddress` equal to this address.\n uint256 orderEpoch // Orders with specified makerAddress and senderAddress with a salt less than this value are considered cancelled.\n );\n\n /// @dev Fills the input order.\n /// @param order Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n /// @return Amounts filled and fees paid by maker and taker.\n function fillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n\n /// @dev After calling, the order can not be filled anymore.\n /// @param order Order struct containing order specifications.\n function cancelOrderInternal(LibOrder.Order memory order)\n internal;\n\n /// @dev Updates state with results of a fill order.\n /// @param order that was filled.\n /// @param takerAddress Address of taker who filled the order.\n /// @param orderTakerAssetFilledAmount Amount of order already filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function updateFilledState(\n LibOrder.Order memory order,\n address takerAddress,\n bytes32 orderHash,\n uint256 orderTakerAssetFilledAmount,\n LibFillResults.FillResults memory fillResults\n )\n internal;\n\n /// @dev Updates state with results of cancelling an order.\n /// State is only updated if the order is currently fillable.\n /// Otherwise, updating state would have no effect.\n /// @param order that was cancelled.\n /// @param orderHash Hash of order that was cancelled.\n function updateCancelledState(\n LibOrder.Order memory order,\n bytes32 orderHash\n )\n internal;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n /// @param takerAddress Address of order taker.\n /// @param signature Proof that the orders was created by its maker.\n function assertFillableOrder(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n address takerAddress,\n bytes memory signature\n )\n internal\n view;\n \n /// @dev Validates context for fillOrder. Succeeds or throws.\n /// @param order to be filled.\n /// @param orderInfo Status, orderHash, and amount already filled of order.\n /// @param takerAssetFillAmount Desired amount of order to fill by taker.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @param makerAssetFilledAmount Amount of makerAsset that will be transfered.\n function assertValidFill(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo,\n uint256 takerAssetFillAmount,\n uint256 takerAssetFilledAmount,\n uint256 makerAssetFilledAmount\n )\n internal\n view;\n\n /// @dev Validates context for cancelOrder. Succeeds or throws.\n /// @param order to be cancelled.\n /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.\n function assertValidCancel(\n LibOrder.Order memory order,\n LibOrder.OrderInfo memory orderInfo\n )\n internal\n view;\n\n /// @dev Calculates amounts filled and fees paid by maker and taker.\n /// @param order to be filled.\n /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.\n /// @return fillResults Amounts filled and fees paid by maker and taker.\n function calculateFillResults(\n LibOrder.Order memory order,\n uint256 takerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.FillResults memory fillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MMatchOrders.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IMatchOrders.sol\";\n\n\ncontract MMatchOrders is\n IMatchOrders\n{\n /// @dev Validates context for matchOrders. Succeeds or throws.\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n function assertValidMatch(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder\n )\n internal\n pure;\n\n /// @dev Calculates fill amounts for the matched orders.\n /// Each order is filled at their respective price point. However, the calculations are\n /// carried out as though the orders are both being filled at the right order's price point.\n /// The profit made by the leftOrder order goes to the taker (who matched the two orders).\n /// @param leftOrder First order to match.\n /// @param rightOrder Second order to match.\n /// @param leftOrderTakerAssetFilledAmount Amount of left order already filled.\n /// @param rightOrderTakerAssetFilledAmount Amount of right order already filled.\n /// @param matchedFillResults Amounts to fill and fees to pay by maker and taker of matched orders.\n function calculateMatchedFillResults(\n LibOrder.Order memory leftOrder,\n LibOrder.Order memory rightOrder,\n uint256 leftOrderTakerAssetFilledAmount,\n uint256 rightOrderTakerAssetFilledAmount\n )\n internal\n pure\n returns (LibFillResults.MatchedFillResults memory matchedFillResults);\n\n}\n", + "2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../interfaces/ISignatureValidator.sol\";\n\n\ncontract MSignatureValidator is\n ISignatureValidator\n{\n event SignatureValidatorApproval(\n address indexed signerAddress, // Address that approves or disapproves a contract to verify signatures.\n address indexed validatorAddress, // Address of signature validator contract.\n bool approved // Approval or disapproval of validator contract.\n );\n\n // Allowed signature types.\n enum SignatureType {\n Illegal, // 0x00, default value\n Invalid, // 0x01\n EIP712, // 0x02\n EthSign, // 0x03\n Wallet, // 0x04\n Validator, // 0x05\n PreSigned, // 0x06\n NSignatureTypes // 0x07, number of signature types. Always leave at end.\n }\n\n /// @dev Verifies signature using logic defined by Wallet contract.\n /// @param hash Any 32 byte hash.\n /// @param walletAddress Address that should have signed the given hash\n /// and defines its own signature verification method.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidWalletSignature(\n bytes32 hash,\n address walletAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n\n /// @dev Verifies signature using logic defined by Validator contract.\n /// @param validatorAddress Address of validator contract.\n /// @param hash Any 32 byte hash.\n /// @param signerAddress Address that should have signed the given hash.\n /// @param signature Proof that the hash has been signed by signer.\n /// @return True if the address recovered from the provided signature matches the input signer address.\n function isValidValidatorSignature(\n address validatorAddress,\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n internal\n view\n returns (bool isValid);\n}\n", + "2.0.0/protocol/Exchange/mixins/MTransactions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\npragma solidity 0.4.24;\n\nimport \"../interfaces/ITransactions.sol\";\n\n\ncontract MTransactions is\n ITransactions\n{\n // Hash for the EIP712 ZeroEx Transaction Schema\n bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(\n \"ZeroExTransaction(\",\n \"uint256 salt,\",\n \"address signerAddress,\",\n \"bytes data\",\n \")\"\n ));\n\n /// @dev Calculates EIP712 hash of the Transaction.\n /// @param salt Arbitrary number to ensure uniqueness of transaction hash.\n /// @param signerAddress Address of transaction signer.\n /// @param data AbiV2 encoded calldata.\n /// @return EIP712 hash of the Transaction.\n function hashZeroExTransaction(\n uint256 salt,\n address signerAddress,\n bytes memory data\n )\n internal\n pure\n returns (bytes32 result);\n\n /// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).\n /// If calling a fill function, this address will represent the taker.\n /// If calling a cancel function, this address will represent the maker.\n /// @return Signer of 0x transaction if entry point is `executeTransaction`.\n /// `msg.sender` if entry point is any other function.\n function getCurrentContextAddress()\n internal\n view\n returns (address);\n}\n", + "2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"../libs/LibOrder.sol\";\nimport \"../libs/LibFillResults.sol\";\nimport \"../interfaces/IWrapperFunctions.sol\";\n\n\ncontract MWrapperFunctions is \n IWrapperFunctions\n{\n /// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.\n /// @param order LibOrder.Order struct containing order specifications.\n /// @param takerAssetFillAmount Desired amount of takerAsset to sell.\n /// @param signature Proof that order has been created by maker.\n function fillOrKillOrderInternal(\n LibOrder.Order memory order,\n uint256 takerAssetFillAmount,\n bytes memory signature\n )\n internal\n returns (LibFillResults.FillResults memory fillResults);\n}\n", + "2.0.0/tokens/ERC20Token/IERC20Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC20Token {\n\n // solhint-disable no-simple-event-func-name\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 _value\n );\n\n event Approval(\n address indexed _owner,\n address indexed _spender,\n uint256 _value\n );\n\n /// @dev send `value` token to `to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transfer(address _to, uint256 _value)\n external\n returns (bool);\n\n /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return True if transfer was successful\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n external\n returns (bool);\n \n /// @dev `msg.sender` approves `_spender` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Always true if the call has enough gas to complete execution\n function approve(address _spender, uint256 _value)\n external\n returns (bool);\n\n /// @dev Query total supply of token\n /// @return Total supply of token\n function totalSupply()\n external\n view\n returns (uint256);\n \n /// @param _owner The address from which the balance will be retrieved\n /// @return Balance of owner\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender)\n external\n view\n returns (uint256);\n}\n", + "2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract IERC721Token {\n\n /// @dev This emits when ownership of any NFT changes by any mechanism.\n /// This event emits when NFTs are created (`from` == 0) and destroyed\n /// (`to` == 0). Exception: during contract creation, any number of NFTs\n /// may be created and assigned without emitting Transfer. At the time of\n /// any transfer, the approved address for that NFT (if any) is reset to none.\n event Transfer(\n address indexed _from,\n address indexed _to,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when the approved address for an NFT is changed or\n /// reaffirmed. The zero address indicates there is no approved address.\n /// When a Transfer event emits, this also indicates that the approved\n /// address for that NFT (if any) is reset to none.\n event Approval(\n address indexed _owner,\n address indexed _approved,\n uint256 indexed _tokenId\n );\n\n /// @dev This emits when an operator is enabled or disabled for an owner.\n /// The operator can manage all NFTs of the owner.\n event ApprovalForAll(\n address indexed _owner,\n address indexed _operator,\n bool _approved\n );\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// perator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `_to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `_to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n /// @param _data Additional data with no specified format, sent in call to `_to`\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId,\n bytes _data\n )\n external;\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function safeTransferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n external;\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param _approved The new approved NFT controller\n /// @param _tokenId The NFT to approve\n function approve(address _approved, uint256 _tokenId)\n external;\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param _operator Address to add to the set of authorized operators\n /// @param _approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address _operator, bool _approved)\n external;\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param _owner An address for whom to query the balance\n /// @return The number of NFTs owned by `_owner`, possibly zero\n function balanceOf(address _owner)\n external\n view\n returns (uint256);\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `_from` is\n /// not the current owner. Throws if `_to` is the zero address. Throws if\n /// `_tokenId` is not a valid NFT.\n /// @param _from The current owner of the NFT\n /// @param _to The new owner\n /// @param _tokenId The NFT to transfer\n function transferFrom(\n address _from,\n address _to,\n uint256 _tokenId\n )\n public;\n\n /// @notice Find the owner of an NFT\n /// @dev NFTs assigned to zero address are considered invalid, and queries\n /// about them do throw.\n /// @param _tokenId The identifier for an NFT\n /// @return The address of the owner of the NFT\n function ownerOf(uint256 _tokenId)\n public\n view\n returns (address);\n\n /// @notice Get the approved address for a single NFT\n /// @dev Throws if `_tokenId` is not a valid NFT.\n /// @param _tokenId The NFT to find the approved address for\n /// @return The approved address for this NFT, or the zero address if there is none\n function getApproved(uint256 _tokenId) \n public\n view\n returns (address);\n \n /// @notice Query if an address is an authorized operator for another address\n /// @param _owner The address that owns the NFTs\n /// @param _operator The address that acts on behalf of the owner\n /// @return True if `_operator` is an approved operator for `_owner`, false otherwise\n function isApprovedForAll(address _owner, address _operator)\n public\n view\n returns (bool);\n}\n", + "2.0.0/tokens/EtherToken/IEtherToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\nimport \"../ERC20Token/IERC20Token.sol\";\n\n\ncontract IEtherToken is\n IERC20Token\n{\n function deposit()\n public\n payable;\n \n function withdraw(uint256 amount)\n public;\n}\n", + "2.0.0/utils/LibBytes/LibBytes.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\nlibrary LibBytes {\n\n using LibBytes for bytes;\n\n /// @dev Gets the memory address for a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of byte array. This\n /// points to the header of the byte array which contains\n /// the length.\n function rawAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := input\n }\n return memoryAddress;\n }\n \n /// @dev Gets the memory address for the contents of a byte array.\n /// @param input Byte array to lookup.\n /// @return memoryAddress Memory address of the contents of the byte array.\n function contentAddress(bytes memory input)\n internal\n pure\n returns (uint256 memoryAddress)\n {\n assembly {\n memoryAddress := add(input, 32)\n }\n return memoryAddress;\n }\n\n /// @dev Copies `length` bytes from memory location `source` to `dest`.\n /// @param dest memory address to copy bytes to.\n /// @param source memory address to copy bytes from.\n /// @param length number of bytes to copy.\n function memCopy(\n uint256 dest,\n uint256 source,\n uint256 length\n )\n internal\n pure\n {\n if (length < 32) {\n // Handle a partial word by reading destination and masking\n // off the bits we are interested in.\n // This correctly handles overlap, zero lengths and source == dest\n assembly {\n let mask := sub(exp(256, sub(32, length)), 1)\n let s := and(mload(source), not(mask))\n let d := and(mload(dest), mask)\n mstore(dest, or(s, d))\n }\n } else {\n // Skip the O(length) loop when source == dest.\n if (source == dest) {\n return;\n }\n\n // For large copies we copy whole words at a time. The final\n // word is aligned to the end of the range (instead of after the\n // previous) to handle partial words. So a copy will look like this:\n //\n // ####\n // ####\n // ####\n // ####\n //\n // We handle overlap in the source and destination range by\n // changing the copying direction. This prevents us from\n // overwriting parts of source that we still need to copy.\n //\n // This correctly handles source == dest\n //\n if (source > dest) {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because it\n // is easier to compare with in the loop, and these\n // are also the addresses we need for copying the\n // last bytes.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the last 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the last bytes in\n // source already due to overlap.\n let last := mload(sEnd)\n\n // Copy whole words front to back\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} lt(source, sEnd) {} {\n mstore(dest, mload(source))\n source := add(source, 32)\n dest := add(dest, 32)\n }\n \n // Write the last 32 bytes\n mstore(dEnd, last)\n }\n } else {\n assembly {\n // We subtract 32 from `sEnd` and `dEnd` because those\n // are the starting points when copying a word at the end.\n length := sub(length, 32)\n let sEnd := add(source, length)\n let dEnd := add(dest, length)\n\n // Remember the first 32 bytes of source\n // This needs to be done here and not after the loop\n // because we may have overwritten the first bytes in\n // source already due to overlap.\n let first := mload(source)\n\n // Copy whole words back to front\n // We use a signed comparisson here to allow dEnd to become\n // negative (happens when source and dest < 32). Valid\n // addresses in local memory will never be larger than\n // 2**255, so they can be safely re-interpreted as signed.\n // Note: the first check is always true,\n // this could have been a do-while loop.\n // solhint-disable-next-line no-empty-blocks\n for {} slt(dest, dEnd) {} {\n mstore(dEnd, mload(sEnd))\n sEnd := sub(sEnd, 32)\n dEnd := sub(dEnd, 32)\n }\n \n // Write the first 32 bytes\n mstore(dest, first)\n }\n }\n }\n }\n\n /// @dev Returns a slices from a byte array.\n /// @param b The byte array to take a slice from.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n function slice(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure and copy contents\n result = new bytes(to - from);\n memCopy(\n result.contentAddress(),\n b.contentAddress() + from,\n result.length\n );\n return result;\n }\n \n /// @dev Returns a slice from a byte array without preserving the input.\n /// @param b The byte array to take a slice from. Will be destroyed in the process.\n /// @param from The starting index for the slice (inclusive).\n /// @param to The final index for the slice (exclusive).\n /// @return result The slice containing bytes at indices [from, to)\n /// @dev When `from == 0`, the original array will match the slice. In other cases its state will be corrupted.\n function sliceDestructive(\n bytes memory b,\n uint256 from,\n uint256 to\n )\n internal\n pure\n returns (bytes memory result)\n {\n require(\n from <= to,\n \"FROM_LESS_THAN_TO_REQUIRED\"\n );\n require(\n to < b.length,\n \"TO_LESS_THAN_LENGTH_REQUIRED\"\n );\n \n // Create a new bytes structure around [from, to) in-place.\n assembly {\n result := add(b, from)\n mstore(result, sub(to, from))\n }\n return result;\n }\n\n /// @dev Pops the last byte off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The byte that was popped off.\n function popLastByte(bytes memory b)\n internal\n pure\n returns (bytes1 result)\n {\n require(\n b.length > 0,\n \"GREATER_THAN_ZERO_LENGTH_REQUIRED\"\n );\n\n // Store last byte.\n result = b[b.length - 1];\n\n assembly {\n // Decrement length of byte array.\n let newLen := sub(mload(b), 1)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Pops the last 20 bytes off of a byte array by modifying its length.\n /// @param b Byte array that will be modified.\n /// @return The 20 byte address that was popped off.\n function popLast20Bytes(bytes memory b)\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= 20,\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Store last 20 bytes.\n result = readAddress(b, b.length - 20);\n\n assembly {\n // Subtract 20 from byte array length.\n let newLen := sub(mload(b), 20)\n mstore(b, newLen)\n }\n return result;\n }\n\n /// @dev Tests equality of two byte arrays.\n /// @param lhs First byte array to compare.\n /// @param rhs Second byte array to compare.\n /// @return True if arrays are the same. False otherwise.\n function equals(\n bytes memory lhs,\n bytes memory rhs\n )\n internal\n pure\n returns (bool equal)\n {\n // Keccak gas cost is 30 + numWords * 6. This is a cheap way to compare.\n // We early exit on unequal lengths, but keccak would also correctly\n // handle this.\n return lhs.length == rhs.length && keccak256(lhs) == keccak256(rhs);\n }\n\n /// @dev Reads an address from a position in a byte array.\n /// @param b Byte array containing an address.\n /// @param index Index in byte array of address.\n /// @return address from byte array.\n function readAddress(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (address result)\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Read address from array memory\n assembly {\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 20-byte mask to obtain address\n result := and(mload(add(b, index)), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n return result;\n }\n\n /// @dev Writes an address into a specific position in a byte array.\n /// @param b Byte array to insert address into.\n /// @param index Index in byte array of address.\n /// @param input Address to put into byte array.\n function writeAddress(\n bytes memory b,\n uint256 index,\n address input\n )\n internal\n pure\n {\n require(\n b.length >= index + 20, // 20 is length of address\n \"GREATER_OR_EQUAL_TO_20_LENGTH_REQUIRED\"\n );\n\n // Add offset to index:\n // 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)\n // 2. Account for size difference between address length and 32-byte storage word (subtract 12 from index)\n index += 20;\n\n // Store address into array memory\n assembly {\n // The address occupies 20 bytes and mstore stores 32 bytes.\n // First fetch the 32-byte word where we'll be storing the address, then\n // apply a mask so we have only the bytes in the word that the address will not occupy.\n // Then combine these bytes with the address and store the 32 bytes back to memory with mstore.\n\n // 1. Add index to address of bytes array\n // 2. Load 32-byte word from memory\n // 3. Apply 12-byte mask to obtain extra bytes occupying word of memory where we'll store the address\n let neighbors := and(\n mload(add(b, index)),\n 0xffffffffffffffffffffffff0000000000000000000000000000000000000000\n )\n \n // Make sure input address is clean.\n // (Solidity does not guarantee this)\n input := and(input, 0xffffffffffffffffffffffffffffffffffffffff)\n\n // Store the neighbors and address into memory\n mstore(add(b, index), xor(input, neighbors))\n }\n }\n\n /// @dev Reads a bytes32 value from a position in a byte array.\n /// @param b Byte array containing a bytes32 value.\n /// @param index Index in byte array of bytes32 value.\n /// @return bytes32 value from byte array.\n function readBytes32(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes32 result)\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n result := mload(add(b, index))\n }\n return result;\n }\n\n /// @dev Writes a bytes32 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes32 to put into byte array.\n function writeBytes32(\n bytes memory b,\n uint256 index,\n bytes32 input\n )\n internal\n pure\n {\n require(\n b.length >= index + 32,\n \"GREATER_OR_EQUAL_TO_32_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 256 bit length parameter\n index += 32;\n\n // Read the bytes32 from array memory\n assembly {\n mstore(add(b, index), input)\n }\n }\n\n /// @dev Reads a uint256 value from a position in a byte array.\n /// @param b Byte array containing a uint256 value.\n /// @param index Index in byte array of uint256 value.\n /// @return uint256 value from byte array.\n function readUint256(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (uint256 result)\n {\n result = uint256(readBytes32(b, index));\n return result;\n }\n\n /// @dev Writes a uint256 into a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input uint256 to put into byte array.\n function writeUint256(\n bytes memory b,\n uint256 index,\n uint256 input\n )\n internal\n pure\n {\n writeBytes32(b, index, bytes32(input));\n }\n\n /// @dev Reads an unpadded bytes4 value from a position in a byte array.\n /// @param b Byte array containing a bytes4 value.\n /// @param index Index in byte array of bytes4 value.\n /// @return bytes4 value from byte array.\n function readBytes4(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes4 result)\n {\n require(\n b.length >= index + 4,\n \"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED\"\n );\n\n // Arrays are prefixed by a 32 byte length field\n index += 32;\n\n // Read the bytes4 from array memory\n assembly {\n result := mload(add(b, index))\n // Solidity does not require us to clean the trailing bytes.\n // We do it anyway\n result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)\n }\n return result;\n }\n\n /// @dev Reads nested bytes from a specific position.\n /// @dev NOTE: the returned value overlaps with the input value.\n /// Both should be treated as immutable.\n /// @param b Byte array containing nested bytes.\n /// @param index Index of nested bytes.\n /// @return result Nested bytes.\n function readBytesWithLength(\n bytes memory b,\n uint256 index\n )\n internal\n pure\n returns (bytes memory result)\n {\n // Read length of nested bytes\n uint256 nestedBytesLength = readUint256(b, index);\n index += 32;\n\n // Assert length of is valid, given\n // length of nested bytes\n require(\n b.length >= index + nestedBytesLength,\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n \n // Return a pointer to the byte array as it exists inside `b`\n assembly {\n result := add(b, index)\n }\n return result;\n }\n\n /// @dev Inserts bytes at a specific position in a byte array.\n /// @param b Byte array to insert into.\n /// @param index Index in byte array of .\n /// @param input bytes to insert.\n function writeBytesWithLength(\n bytes memory b,\n uint256 index,\n bytes memory input\n )\n internal\n pure\n {\n // Assert length of is valid, given\n // length of input\n require(\n b.length >= index + 32 + input.length, // 32 bytes to store length\n \"GREATER_OR_EQUAL_TO_NESTED_BYTES_LENGTH_REQUIRED\"\n );\n\n // Copy into \n memCopy(\n b.contentAddress() + index,\n input.rawAddress(), // includes length of \n input.length + 32 // +32 bytes to store length\n );\n }\n\n /// @dev Performs a deep copy of a byte array onto another byte array of greater than or equal length.\n /// @param dest Byte array that will be overwritten with source bytes.\n /// @param source Byte array to copy onto dest bytes.\n function deepCopyBytes(\n bytes memory dest,\n bytes memory source\n )\n internal\n pure\n {\n uint256 sourceLen = source.length;\n // Dest length must be >= source length, or some bytes would not be copied.\n require(\n dest.length >= sourceLen,\n \"GREATER_OR_EQUAL_TO_SOURCE_BYTES_LENGTH_REQUIRED\"\n );\n memCopy(\n dest.contentAddress(),\n source.contentAddress(),\n sourceLen\n );\n }\n}\n", + "2.0.0/utils/Ownable/IOwnable.sol": "pragma solidity 0.4.24;\n\n\ncontract IOwnable {\n\n function transferOwnership(address newOwner)\n public;\n}\n", + "2.0.0/utils/Ownable/Ownable.sol": "pragma solidity 0.4.24;\n\nimport \"./IOwnable.sol\";\n\n\ncontract Ownable is\n IOwnable\n{\n address public owner;\n\n constructor ()\n public\n {\n owner = msg.sender;\n }\n\n modifier onlyOwner() {\n require(\n msg.sender == owner,\n \"ONLY_CONTRACT_OWNER\"\n );\n _;\n }\n\n function transferOwnership(address newOwner)\n public\n onlyOwner\n {\n if (newOwner != address(0)) {\n owner = newOwner;\n }\n }\n}\n", + "2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.24;\n\n\ncontract ReentrancyGuard {\n\n // Locked state of mutex\n bool private locked = false;\n\n /// @dev Functions with this modifer cannot be reentered. The mutex will be locked\n /// before function execution and unlocked after.\n modifier nonReentrant() {\n // Ensure mutex is unlocked\n require(\n !locked,\n \"REENTRANCY_ILLEGAL\"\n );\n\n // Lock mutex before function call\n locked = true;\n\n // Perform function call\n _;\n\n // Unlock mutex after function call\n locked = false;\n }\n}\n", + "2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n\n function safeMul(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(\n c / a == b,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function safeDiv(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a / b;\n return c;\n }\n\n function safeSub(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n require(\n b <= a,\n \"UINT256_UNDERFLOW\"\n );\n return a - b;\n }\n\n function safeAdd(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n uint256 c = a + b;\n require(\n c >= a,\n \"UINT256_OVERFLOW\"\n );\n return c;\n }\n\n function max64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min64(uint64 a, uint64 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n\n function max256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a >= b ? a : b;\n }\n\n function min256(uint256 a, uint256 b)\n internal\n pure\n returns (uint256)\n {\n return a < b ? a : b;\n }\n}\n" + }, + "sourceTreeHashHex": "0x95729ff69e872a60a92c7eef28cea3188d821ab1a379a46c12b21fc386a9855c", + "compiler": { + "name": "solc", + "version": "soljson-v0.4.24+commit.e67f0147.js", + "settings": { + "optimizer": { + "enabled": true, + "runs": 1000000 + }, + "outputSelection": { + "*": { + "*": [ + "abi", + "evm.bytecode.object", + "evm.bytecode.sourceMap", + "evm.deployedBytecode.object", + "evm.deployedBytecode.sourceMap" + ] + } + } + } + }, + "networks": { + "1": { + "address": "0x9463e518dea6810309563c81d5266c1b1d149138", + "links": {}, + "constructorArgs": "[\"0x4f833a24e1f95d70f028921e27040ca56e09ab0b\",\"0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498\"]" + }, + "3": { + "address": "0x90431a90516ab49af23a0530e04e8c7836e7122f", + "links": {}, + "constructorArgs": "[\"0x4530c0483a1633c7a1c97d2c53721caff2caaaaf\",\"0xf47261b0000000000000000000000000ff67881f8d12f372d91baae9752eb3631ff0ed00\"]" + }, + "42": { + "address": "0xb389da3d204b412df2f75c6afb3d0a7ce0bc283d", + "links": {}, + "constructorArgs": "[\"0x35dd2932454449b14cee11a94d3674a936d5d7b2\",\"0xf47261b00000000000000000000000002002d3812f58e35f0ea1ffbf80a75a38c32175fa\"]" + }, + "50": { + "address": "0xe86bb98fcf9bff3512c74589b78fb168200cc546", + "links": {}, + "constructorArgs": "[\"0x48bacb9266a570d521063ef5dd96e61686dbe788\",\"0xf47261b0000000000000000000000000871dd7c2b4b25e1aa18728e9d5f2af4c4e431f5c\"]" + } + } +} diff --git a/packages/migrations/artifacts/2.0.0/WETH9.json b/packages/migrations/artifacts/2.0.0/WETH9.json new file mode 100644 index 000000000..8cca84e41 --- /dev/null +++ b/packages/migrations/artifacts/2.0.0/WETH9.json @@ -0,0 +1,346 @@ +{ + "schemaVersion": "2.0.0", + "contractName": "WETH9", + "compilerOutput": { + "abi": [ + { + "constant": true, + "inputs": [], + "name": "name", + "outputs": [ + { + "name": "", + "type": "string" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "guy", + "type": "address" + }, + { + "name": "wad", + "type": "uint256" + } + ], + "name": "approve", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "totalSupply", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "src", + "type": "address" + }, + { + "name": "dst", + "type": "address" + }, + { + "name": "wad", + "type": "uint256" + } + ], + "name": "transferFrom", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "wad", + "type": "uint256" + } + ], + "name": "withdraw", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "decimals", + "outputs": [ + { + "name": "", + "type": "uint8" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "", + "type": "address" + } + ], + "name": "balanceOf", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "symbol", + "outputs": [ + { + "name": "", + "type": "string" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "dst", + "type": "address" + }, + { + "name": "wad", + "type": "uint256" + } + ], + "name": "transfer", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [], + "name": "deposit", + "outputs": [], + "payable": true, + "stateMutability": "payable", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "", + "type": "address" + }, + { + "name": "", + "type": "address" + } + ], + "name": "allowance", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "payable": true, + "stateMutability": "payable", + "type": "fallback" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "_owner", + "type": "address" + }, + { + "indexed": true, + "name": "_spender", + "type": "address" + }, + { + "indexed": false, + "name": "_value", + "type": "uint256" + } + ], + "name": "Approval", + "type": "event" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "_from", + "type": "address" + }, + { + "indexed": true, + "name": "_to", + "type": "address" + }, + { + "indexed": false, + "name": "_value", + "type": "uint256" + } + ], + "name": "Transfer", + "type": "event" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "_owner", + "type": "address" + }, + { + "indexed": false, + "name": "_value", + "type": "uint256" + } + ], + "name": "Deposit", + "type": "event" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "_owner", + "type": "address" + }, + { + "indexed": false, + "name": "_value", + "type": "uint256" + } + ], + "name": "Withdrawal", + "type": "event" + } + ], + "evm": { + "bytecode": { + "linkReferences": {}, + "object": 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PUSH2 0x212 PUSH2 0x678 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0xFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x234 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19C PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x681 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x262 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xCD PUSH2 0x693 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x277 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x173 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x70B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2A8 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19C PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0x71F JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP2 DUP3 SWAP1 KECCAK256 DUP1 SLOAD CALLVALUE SWAP1 DUP2 ADD SWAP1 SWAP2 SSTORE DUP3 MLOAD SWAP1 DUP2 MSTORE SWAP2 MLOAD PUSH32 0xE1FFFCC4923D04B559F4D29A8BFC6CDA04EB5B0D3C460751C2402C5C5CC9109C SWAP3 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG2 JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x3C3 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x398 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x3C3 JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x3A6 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP DUP2 JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP1 DUP6 MSTORE SWAP1 DUP4 MSTORE DUP2 DUP5 KECCAK256 DUP7 SWAP1 SSTORE DUP2 MLOAD DUP7 DUP2 MSTORE SWAP2 MLOAD SWAP4 SWAP5 SWAP1 SWAP4 SWAP1 SWAP3 PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 SWAP3 DUP3 SWAP1 SUB ADD SWAP1 LOG3 POP PUSH1 0x1 SWAP3 SWAP2 POP POP JUMP JUMPDEST ADDRESS BALANCE SWAP1 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 SLOAD DUP3 GT ISZERO PUSH2 0x475 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND CALLER EQ DUP1 ISZERO SWAP1 PUSH2 0x4EB JUMPI POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP5 MSTORE SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF EQ ISZERO JUMPDEST ISZERO PUSH2 0x565 JUMPI PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP5 MSTORE SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 SLOAD DUP3 GT ISZERO PUSH2 0x52D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP5 MSTORE SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 DUP1 SLOAD DUP4 SWAP1 SUB SWAP1 SSTORE JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP6 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 DUP1 SLOAD DUP9 SWAP1 SUB SWAP1 SSTORE SWAP4 DUP8 AND DUP1 DUP4 MSTORE SWAP2 DUP5 SWAP1 KECCAK256 DUP1 SLOAD DUP8 ADD SWAP1 SSTORE DUP4 MLOAD DUP7 DUP2 MSTORE SWAP4 MLOAD SWAP2 SWAP4 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP3 SWAP1 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP PUSH1 0x1 SWAP4 SWAP3 POP POP POP JUMP JUMPDEST CALLER PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP2 GT ISZERO PUSH2 0x5FF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD DUP6 SWAP1 SUB SWAP1 SSTORE MLOAD DUP4 ISZERO PUSH2 0x8FC MUL SWAP2 DUP5 SWAP2 SWAP1 DUP2 DUP2 DUP2 DUP6 DUP9 DUP9 CALL SWAP4 POP POP POP POP ISZERO DUP1 ISZERO PUSH2 0x63E JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP PUSH1 0x40 DUP1 MLOAD DUP3 DUP2 MSTORE SWAP1 MLOAD CALLER SWAP2 PUSH32 0x7FCF532C15F0A6DB0BD6D0E038BEA71D30D808C7D98CB3BF7268A95BF5081B65 SWAP2 SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 LOG2 POP JUMP JUMPDEST PUSH1 0x2 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x1 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 DUP5 DUP7 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x3C3 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x398 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x3C3 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x718 CALLER DUP5 DUP5 PUSH2 0x443 JUMP JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x0 SWAP3 DUP4 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 SWAP1 SWAP2 MSTORE SWAP1 DUP3 MSTORE SWAP1 KECCAK256 SLOAD DUP2 JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 0x22 DUP10 DUP2 CALL 0x1f 0x47 0xad SWAP7 ADDRESS ADDMOD STOP PUSH10 0xB0A81423FCFBA5AA8E0F 0x47 DUP11 JUMPI SWAP13 0x4b 0xc0 DUP1 0xba PUSH31 0x82002900000000000000000000000000000000000000000000000000000000 ", + "sourceMap": "753:40:0:-;732:1806;753:40;;732:1806;753:40;;;;;;;;;;-1:-1:-1;;753:40:0;;:::i;:::-;-1:-1:-1;799:31:0;;;;;;;;;;;;;;;;;;;;;;;;;;:::i;:::-;-1:-1:-1;836:27:0;;;-1:-1:-1;;836:27:0;861:2;836:27;;;732:1806;5:2:-1;;;;30:1;27;20:12;5:2;732:1806:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;732:1806:0;;;-1:-1:-1;732:1806:0;:::i;:::-;;;:::o;:::-;;;;;;;;;;;;;;;;;;;;:::o;:::-;;;;;;;" + }, + "deployedBytecode": { + "linkReferences": {}, + "object": "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", + "opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0xAE JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x6FDDE03 DUP2 EQ PUSH2 0xB8 JUMPI DUP1 PUSH4 0x95EA7B3 EQ PUSH2 0x142 JUMPI DUP1 PUSH4 0x18160DDD EQ PUSH2 0x187 JUMPI DUP1 PUSH4 0x23B872DD EQ PUSH2 0x1AE JUMPI DUP1 PUSH4 0x2E1A7D4D EQ PUSH2 0x1E5 JUMPI DUP1 PUSH4 0x313CE567 EQ PUSH2 0x1FD JUMPI DUP1 PUSH4 0x70A08231 EQ PUSH2 0x228 JUMPI DUP1 PUSH4 0x95D89B41 EQ PUSH2 0x256 JUMPI DUP1 PUSH4 0xA9059CBB EQ PUSH2 0x26B JUMPI DUP1 PUSH4 0xD0E30DB0 EQ PUSH2 0xAE JUMPI DUP1 PUSH4 0xDD62ED3E EQ PUSH2 0x29C JUMPI JUMPDEST PUSH2 0xB6 PUSH2 0x2D0 JUMP JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xC4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xCD PUSH2 0x31F JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 ADD SWAP1 DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x107 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0xEF JUMP JUMPDEST POP POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x134 JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x14E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x173 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x3CB JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x193 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19C PUSH2 0x43E JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1BA JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x173 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x443 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1F1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xB6 PUSH1 0x4 CALLDATALOAD PUSH2 0x5E3 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x209 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x212 PUSH2 0x678 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0xFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x234 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19C PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x681 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x262 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xCD PUSH2 0x693 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x277 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x173 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x70B JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2A8 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19C PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0x71F JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP2 DUP3 SWAP1 KECCAK256 DUP1 SLOAD CALLVALUE SWAP1 DUP2 ADD SWAP1 SWAP2 SSTORE DUP3 MLOAD SWAP1 DUP2 MSTORE SWAP2 MLOAD PUSH32 0xE1FFFCC4923D04B559F4D29A8BFC6CDA04EB5B0D3C460751C2402C5C5CC9109C SWAP3 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG2 JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 PUSH1 0x1 DUP6 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x3C3 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x398 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x3C3 JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x3A6 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP DUP2 JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP1 DUP6 MSTORE SWAP1 DUP4 MSTORE DUP2 DUP5 KECCAK256 DUP7 SWAP1 SSTORE DUP2 MLOAD DUP7 DUP2 MSTORE SWAP2 MLOAD SWAP4 SWAP5 SWAP1 SWAP4 SWAP1 SWAP3 PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 SWAP3 DUP3 SWAP1 SUB ADD SWAP1 LOG3 POP PUSH1 0x1 SWAP3 SWAP2 POP POP JUMP JUMPDEST ADDRESS BALANCE SWAP1 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 SLOAD DUP3 GT ISZERO PUSH2 0x475 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND CALLER EQ DUP1 ISZERO SWAP1 PUSH2 0x4EB JUMPI POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP5 MSTORE SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF EQ ISZERO JUMPDEST ISZERO PUSH2 0x565 JUMPI PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP5 MSTORE SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 SLOAD DUP3 GT ISZERO PUSH2 0x52D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP5 MSTORE SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 DUP1 SLOAD DUP4 SWAP1 SUB SWAP1 SSTORE JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP6 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 DUP1 SLOAD DUP9 SWAP1 SUB SWAP1 SSTORE SWAP4 DUP8 AND DUP1 DUP4 MSTORE SWAP2 DUP5 SWAP1 KECCAK256 DUP1 SLOAD DUP8 ADD SWAP1 SSTORE DUP4 MLOAD DUP7 DUP2 MSTORE SWAP4 MLOAD SWAP2 SWAP4 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP3 SWAP1 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP PUSH1 0x1 SWAP4 SWAP3 POP POP POP JUMP JUMPDEST CALLER PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP2 GT ISZERO PUSH2 0x5FF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD DUP6 SWAP1 SUB SWAP1 SSTORE MLOAD DUP4 ISZERO PUSH2 0x8FC MUL SWAP2 DUP5 SWAP2 SWAP1 DUP2 DUP2 DUP2 DUP6 DUP9 DUP9 CALL SWAP4 POP POP POP POP ISZERO DUP1 ISZERO PUSH2 0x63E JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP PUSH1 0x40 DUP1 MLOAD DUP3 DUP2 MSTORE SWAP1 MLOAD CALLER SWAP2 PUSH32 0x7FCF532C15F0A6DB0BD6D0E038BEA71D30D808C7D98CB3BF7268A95BF5081B65 SWAP2 SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 LOG2 POP JUMP JUMPDEST PUSH1 0x2 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x1 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x2 DUP5 DUP7 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP5 AND SWAP4 SWAP1 SWAP4 DIV PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP3 ADD DUP5 ADD SWAP1 SWAP3 MSTORE DUP2 DUP2 MSTORE SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x3C3 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x398 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x3C3 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x718 CALLER DUP5 DUP5 PUSH2 0x443 JUMP JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x0 SWAP3 DUP4 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 SWAP1 SWAP2 MSTORE SWAP1 DUP3 MSTORE SWAP1 KECCAK256 SLOAD DUP2 JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 0x22 DUP10 DUP2 CALL 0x1f 0x47 0xad SWAP7 ADDRESS ADDMOD STOP PUSH10 0xB0A81423FCFBA5AA8E0F 0x47 DUP11 JUMPI SWAP13 0x4b 0xc0 DUP1 0xba PUSH31 0x82002900000000000000000000000000000000000000000000000000000000 ", + "sourceMap": 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+ } + } + }, + "sources": { + "2.0.0/tokens/EtherToken/WETH9.sol": { + "id": 0 + } + }, + "sourceCodes": { + "2.0.0/tokens/EtherToken/WETH9.sol": "// Copyright (C) 2015, 2016, 2017 Dapphub\n\n// This program is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n\n// This program is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n// GNU General Public License for more details.\n\n// You should have received a copy of the GNU General Public License\n// along with this program. If not, see .\n\n// solhint-disable\npragma solidity ^0.4.18;\n\n\ncontract WETH9 {\n string public name = \"Wrapped Ether\";\n string public symbol = \"WETH\";\n uint8 public decimals = 18;\n\n event Approval(address indexed _owner, address indexed _spender, uint _value);\n event Transfer(address indexed _from, address indexed _to, uint _value);\n event Deposit(address indexed _owner, uint _value);\n event Withdrawal(address indexed _owner, uint _value);\n\n mapping (address => uint) public balanceOf;\n mapping (address => mapping (address => uint)) public allowance;\n\n function() public payable {\n deposit();\n }\n function deposit() public payable {\n balanceOf[msg.sender] += msg.value;\n Deposit(msg.sender, msg.value);\n }\n function withdraw(uint wad) public {\n require(balanceOf[msg.sender] >= wad);\n balanceOf[msg.sender] -= wad;\n msg.sender.transfer(wad);\n Withdrawal(msg.sender, wad);\n }\n\n function totalSupply() public view returns (uint) {\n return this.balance;\n }\n\n function approve(address guy, uint wad) public returns (bool) {\n allowance[msg.sender][guy] = wad;\n Approval(msg.sender, guy, wad);\n return true;\n }\n\n function transfer(address dst, uint wad) public returns (bool) {\n return transferFrom(msg.sender, dst, wad);\n }\n\n function transferFrom(address src, address dst, uint wad)\n public\n returns (bool)\n {\n require(balanceOf[src] >= wad);\n\n if (src != msg.sender && allowance[src][msg.sender] != uint(-1)) {\n require(allowance[src][msg.sender] >= wad);\n allowance[src][msg.sender] -= wad;\n }\n\n balanceOf[src] -= wad;\n balanceOf[dst] += wad;\n\n Transfer(src, dst, wad);\n\n return true;\n }\n}\n\n\n/*\n GNU GENERAL PUBLIC LICENSE\n Version 3, 29 June 2007\n\n Copyright (C) 2007 Free Software Foundation, Inc. \n Everyone is permitted to copy and distribute verbatim copies\n of this license document, but changing it is not allowed.\n\n Preamble\n\n The GNU General Public License is a free, copyleft license for\nsoftware and other kinds of works.\n\n The licenses for most software and other practical works are designed\nto take away your freedom to share and change the works. By contrast,\nthe GNU General Public License is intended to guarantee your freedom to\nshare and change all versions of a program--to make sure it remains free\nsoftware for all its users. We, the Free Software Foundation, use the\nGNU General Public License for most of our software; it applies also to\nany other work released this way by its authors. You can apply it to\nyour programs, too.\n\n When we speak of free software, we are referring to freedom, not\nprice. Our General Public Licenses are designed to make sure that you\nhave the freedom to distribute copies of free software (and charge for\nthem if you wish), that you receive source code or can get it if you\nwant it, that you can change the software or use pieces of it in new\nfree programs, and that you know you can do these things.\n\n To protect your rights, we need to prevent others from denying you\nthese rights or asking you to surrender the rights. Therefore, you have\ncertain responsibilities if you distribute copies of the software, or if\nyou modify it: responsibilities to respect the freedom of others.\n\n For example, if you distribute copies of such a program, whether\ngratis or for a fee, you must pass on to the recipients the same\nfreedoms that you received. You must make sure that they, too, receive\nor can get the source code. And you must show them these terms so they\nknow their rights.\n\n Developers that use the GNU GPL protect your rights with two steps:\n(1) assert copyright on the software, and (2) offer you this License\ngiving you legal permission to copy, distribute and/or modify it.\n\n For the developers' and authors' protection, the GPL clearly explains\nthat there is no warranty for this free software. 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If your rights have been terminated and not permanently\nreinstated, you do not qualify to receive new licenses for the same\nmaterial under section 10.\n\n 9. Acceptance Not Required for Having Copies.\n\n You are not required to accept this License in order to receive or\nrun a copy of the Program. Ancillary propagation of a covered work\noccurring solely as a consequence of using peer-to-peer transmission\nto receive a copy likewise does not require acceptance. However,\nnothing other than this License grants you permission to propagate or\nmodify any covered work. These actions infringe copyright if you do\nnot accept this License. Therefore, by modifying or propagating a\ncovered work, you indicate your acceptance of this License to do so.\n\n 10. Automatic Licensing of Downstream Recipients.\n\n Each time you convey a covered work, the recipient automatically\nreceives a license from the original licensors, to run, modify and\npropagate that work, subject to this License. You are not responsible\nfor enforcing compliance by third parties with this License.\n\n An \"entity transaction\" is a transaction transferring control of an\norganization, or substantially all assets of one, or subdividing an\norganization, or merging organizations. If propagation of a covered\nwork results from an entity transaction, each party to that\ntransaction who receives a copy of the work also receives whatever\nlicenses to the work the party's predecessor in interest had or could\ngive under the previous paragraph, plus a right to possession of the\nCorresponding Source of the work from the predecessor in interest, if\nthe predecessor has it or can get it with reasonable efforts.\n\n You may not impose any further restrictions on the exercise of the\nrights granted or affirmed under this License. For example, you may\nnot impose a license fee, royalty, or other charge for exercise of\nrights granted under this License, and you may not initiate litigation\n(including a cross-claim or counterclaim in a lawsuit) alleging that\nany patent claim is infringed by making, using, selling, offering for\nsale, or importing the Program or any portion of it.\n\n 11. Patents.\n\n A \"contributor\" is a copyright holder who authorizes use under this\nLicense of the Program or a work on which the Program is based. The\nwork thus licensed is called the contributor's \"contributor version\".\n\n A contributor's \"essential patent claims\" are all patent claims\nowned or controlled by the contributor, whether already acquired or\nhereafter acquired, that would be infringed by some manner, permitted\nby this License, of making, using, or selling its contributor version,\nbut do not include claims that would be infringed only as a\nconsequence of further modification of the contributor version. For\npurposes of this definition, \"control\" includes the right to grant\npatent sublicenses in a manner consistent with the requirements of\nthis License.\n\n Each contributor grants you a non-exclusive, worldwide, royalty-free\npatent license under the contributor's essential patent claims, to\nmake, use, sell, offer for sale, import and otherwise run, modify and\npropagate the contents of its contributor version.\n\n In the following three paragraphs, a \"patent license\" is any express\nagreement or commitment, however denominated, not to enforce a patent\n(such as an express permission to practice a patent or covenant not to\nsue for patent infringement). To \"grant\" such a patent license to a\nparty means to make such an agreement or commitment not to enforce a\npatent against the party.\n\n If you convey a covered work, knowingly relying on a patent license,\nand the Corresponding Source of the work is not available for anyone\nto copy, free of charge and under the terms of this License, through a\npublicly available network server or other readily accessible means,\nthen you must either (1) cause the Corresponding Source to be so\navailable, or (2) arrange to deprive yourself of the benefit of the\npatent license for this particular work, or (3) arrange, in a manner\nconsistent with the requirements of this License, to extend the patent\nlicense to downstream recipients. \"Knowingly relying\" means you have\nactual knowledge that, but for the patent license, your conveying the\ncovered work in a country, or your recipient's use of the covered work\nin a country, would infringe one or more identifiable patents in that\ncountry that you have reason to believe are valid.\n\n If, pursuant to or in connection with a single transaction or\narrangement, you convey, or propagate by procuring conveyance of, a\ncovered work, and grant a patent license to some of the parties\nreceiving the covered work authorizing them to use, propagate, modify\nor convey a specific copy of the covered work, then the patent license\nyou grant is automatically extended to all recipients of the covered\nwork and works based on it.\n\n A patent license is \"discriminatory\" if it does not include within\nthe scope of its coverage, prohibits the exercise of, or is\nconditioned on the non-exercise of one or more of the rights that are\nspecifically granted under this License. You may not convey a covered\nwork if you are a party to an arrangement with a third party that is\nin the business of distributing software, under which you make payment\nto the third party based on the extent of your activity of conveying\nthe work, and under which the third party grants, to any of the\nparties who would receive the covered work from you, a discriminatory\npatent license (a) in connection with copies of the covered work\nconveyed by you (or copies made from those copies), or (b) primarily\nfor and in connection with specific products or compilations that\ncontain the covered work, unless you entered into that arrangement,\nor that patent license was granted, prior to 28 March 2007.\n\n Nothing in this License shall be construed as excluding or limiting\nany implied license or other defenses to infringement that may\notherwise be available to you under applicable patent law.\n\n 12. No Surrender of Others' Freedom.\n\n If conditions are imposed on you (whether by court order, agreement or\notherwise) that contradict the conditions of this License, they do not\nexcuse you from the conditions of this License. If you cannot convey a\ncovered work so as to satisfy simultaneously your obligations under this\nLicense and any other pertinent obligations, then as a consequence you may\nnot convey it at all. For example, if you agree to terms that obligate you\nto collect a royalty for further conveying from those to whom you convey\nthe Program, the only way you could satisfy both those terms and this\nLicense would be to refrain entirely from conveying the Program.\n\n 13. Use with the GNU Affero General Public License.\n\n Notwithstanding any other provision of this License, you have\npermission to link or combine any covered work with a work licensed\nunder version 3 of the GNU Affero General Public License into a single\ncombined work, and to convey the resulting work. The terms of this\nLicense will continue to apply to the part which is the covered work,\nbut the special requirements of the GNU Affero General Public License,\nsection 13, concerning interaction through a network will apply to the\ncombination as such.\n\n 14. Revised Versions of this License.\n\n The Free Software Foundation may publish revised and/or new versions of\nthe GNU General Public License from time to time. Such new versions will\nbe similar in spirit to the present version, but may differ in detail to\naddress new problems or concerns.\n\n Each version is given a distinguishing version number. If the\nProgram specifies that a certain numbered version of the GNU General\nPublic License \"or any later version\" applies to it, you have the\noption of following the terms and conditions either of that numbered\nversion or of any later version published by the Free Software\nFoundation. If the Program does not specify a version number of the\nGNU General Public License, you may choose any version ever published\nby the Free Software Foundation.\n\n If the Program specifies that a proxy can decide which future\nversions of the GNU General Public License can be used, that proxy's\npublic statement of acceptance of a version permanently authorizes you\nto choose that version for the Program.\n\n Later license versions may give you additional or different\npermissions. However, no additional obligations are imposed on any\nauthor or copyright holder as a result of your choosing to follow a\nlater version.\n\n 15. Disclaimer of Warranty.\n\n THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY\nAPPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT\nHOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM \"AS IS\" WITHOUT WARRANTY\nOF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,\nTHE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR\nPURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM\nIS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF\nALL NECESSARY SERVICING, REPAIR OR CORRECTION.\n\n 16. Limitation of Liability.\n\n IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING\nWILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS\nTHE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY\nGENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE\nUSE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF\nDATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD\nPARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),\nEVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF\nSUCH DAMAGES.\n\n 17. Interpretation of Sections 15 and 16.\n\n If the disclaimer of warranty and limitation of liability provided\nabove cannot be given local legal effect according to their terms,\nreviewing courts shall apply local law that most closely approximates\nan absolute waiver of all civil liability in connection with the\nProgram, unless a warranty or assumption of liability accompanies a\ncopy of the Program in return for a fee.\n\n END OF TERMS AND CONDITIONS\n\n How to Apply These Terms to Your New Programs\n\n If you develop a new program, and you want it to be of the greatest\npossible use to the public, the best way to achieve this is to make it\nfree software which everyone can redistribute and change under these terms.\n\n To do so, attach the following notices to the program. It is safest\nto attach them to the start of each source file to most effectively\nstate the exclusion of warranty; and each file should have at least\nthe \"copyright\" line and a pointer to where the full notice is found.\n\n \n Copyright (C) \n\n This program is free software: you can redistribute it and/or modify\n it under the terms of the GNU General Public License as published by\n the Free Software Foundation, either version 3 of the License, or\n (at your option) any later version.\n\n This program is distributed in the hope that it will be useful,\n but WITHOUT ANY WARRANTY; without even the implied warranty of\n MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n GNU General Public License for more details.\n\n You should have received a copy of the GNU General Public License\n along with this program. If not, see .\n\nAlso add information on how to contact you by electronic and paper mail.\n\n If the program does terminal interaction, make it output a short\nnotice like this when it starts in an interactive mode:\n\n Copyright (C) \n This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.\n This is free software, and you are welcome to redistribute it\n under certain conditions; type `show c' for details.\n\nThe hypothetical commands `show w' and `show c' should show the appropriate\nparts of the General Public License. Of course, your program's commands\nmight be different; for a GUI interface, you would use an \"about box\".\n\n You should also get your employer (if you work as a programmer) or school,\nif any, to sign a \"copyright disclaimer\" for the program, if necessary.\nFor more information on this, and how to apply and follow the GNU GPL, see\n.\n\n The GNU General Public License does not permit incorporating your program\ninto proprietary programs. If your program is a subroutine library, you\nmay consider it more useful to permit linking proprietary applications with\nthe library. If this is what you want to do, use the GNU Lesser General\nPublic License instead of this License. But first, please read\n.\n\n*/\n" + }, + "sourceTreeHashHex": "0x08a4125fbc1137215308db8e8f4c0774b2adbec12342172c17216bcaa6e596c6", + "compiler": { + "name": "solc", + "version": "soljson-v0.4.24+commit.e67f0147.js", + "settings": { + "optimizer": { + "enabled": true, + "runs": 1000000 + }, + "outputSelection": { + "*": { + "*": [ + "abi", + "evm.bytecode.object", + "evm.bytecode.sourceMap", + "evm.deployedBytecode.object", + "evm.deployedBytecode.sourceMap" + ] + } + } + } + }, + "networks": { + "3": { + "address": "0xc778417e063141139fce010982780140aa0cd5ab", + "links": {}, + "constructorArgs": "[]" + }, + "42": { + "address": "0xd0a1e359811322d97991e03f863a0c30c2cf029c", + "links": {}, + "constructorArgs": "[]" + }, + "50": { + "address": "0x0b1ba0af832d7c05fd64161e0db78e85978e8082", + "links": {}, + "constructorArgs": "[]" + } + } +} diff --git a/packages/migrations/artifacts/2.0.0/ZRXToken.json b/packages/migrations/artifacts/2.0.0/ZRXToken.json new file mode 100644 index 000000000..76ee77b34 --- /dev/null +++ b/packages/migrations/artifacts/2.0.0/ZRXToken.json @@ -0,0 +1,10041 @@ +{ + "schemaVersion": "2.0.0", + "contractName": "ZRXToken", + "compilerOutput": { + "abi": [ + { + "constant": true, + "inputs": [], + "name": "name", + "outputs": [ + { + "name": "", + "type": "string" + } + ], + "payable": false, + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_spender", + "type": "address" + }, + { + "name": "_value", + "type": "uint256" + } + ], + "name": "approve", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "totalSupply", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_from", + "type": "address" + }, + { + "name": "_to", + "type": "address" + }, + { + "name": "_value", + "type": "uint256" + } + ], + "name": "transferFrom", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "decimals", + "outputs": [ + { + "name": "", + "type": "uint8" + } + ], + "payable": false, + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "_owner", + "type": "address" + } + ], + "name": "balanceOf", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "symbol", + "outputs": [ + { + "name": "", + "type": "string" + } + ], + "payable": false, + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_to", + "type": "address" + }, + { + "name": "_value", + "type": "uint256" + } + ], + "name": "transfer", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "_owner", + "type": "address" + }, + { + "name": "_spender", + "type": "address" + } + ], + "name": "allowance", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "type": "function" + }, + { + "inputs": [], + "payable": false, + "type": "constructor" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "_from", + "type": "address" + }, + { + "indexed": true, + "name": "_to", + "type": "address" + }, + { + "indexed": false, + "name": "_value", + "type": "uint256" + } + ], + "name": "Transfer", + "type": "event" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "_owner", + "type": "address" + }, + { + "indexed": true, + "name": "_spender", + "type": "address" + }, + { + "indexed": false, + "name": "_value", + "type": "uint256" + } + ], + "name": "Approval", + "type": "event" + } + ], + "devdoc": { + "methods": { + "transferFrom(address,address,uint256)": { + "details": "ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited allowance.", + "params": { + "_from": "Address to transfer from.", + "_to": "Address to transfer to.", + "_value": "Amount to transfer." + }, + "return": "Success of transfer." + } + } + }, + "evm": { + "assembly": " /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":795:1250 contract ZRXToken is ... */\n mstore(0x40, 0x60)\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":966:972 10**27 */\n 0x33b2e3c9fd0803ce8000000\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":937:972 uint256 public totalSupply = 10**27 */\n 0x3\n sstore\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1158:1248 function ZRXToken()... */\n jumpi(tag_1, iszero(callvalue))\n invalid\ntag_1:\ntag_2:\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1230:1241 totalSupply */\n sload(0x3)\n sub(exp(0x2, 0xa0), 0x1)\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1216:1226 msg.sender */\n caller\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1207:1227 balances[msg.sender] */\n and\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1207:1215 balances */\n 0x0\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1207:1227 balances[msg.sender] */\n swap1\n dup2\n mstore\n 0x20\n dup2\n swap1\n mstore\n 0x40\n swap1\n sha3\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1207:1241 balances[msg.sender] = totalSupply */\n sstore\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1158:1248 function ZRXToken()... */\ntag_3:\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":795:1250 contract ZRXToken is ... */\ntag_4:\n dataSize(sub_0)\n dup1\n dataOffset(sub_0)\n 0x0\n codecopy\n 0x0\n return\nstop\n\nsub_0: assembly {\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":795:1250 contract ZRXToken is ... */\n mstore(0x40, 0x60)\n jumpi(tag_1, iszero(calldatasize))\n and(div(calldataload(0x0), 0x100000000000000000000000000000000000000000000000000000000), 0xffffffff)\n 0x6fdde03\n dup2\n eq\n tag_2\n jumpi\n dup1\n 0x95ea7b3\n eq\n tag_3\n jumpi\n dup1\n 0x18160ddd\n eq\n tag_4\n jumpi\n dup1\n 0x23b872dd\n eq\n tag_5\n jumpi\n dup1\n 0x313ce567\n eq\n tag_6\n jumpi\n dup1\n 0x70a08231\n eq\n tag_7\n jumpi\n dup1\n 0x95d89b41\n eq\n tag_8\n jumpi\n dup1\n 0xa9059cbb\n eq\n tag_9\n jumpi\n dup1\n 0xdd62ed3e\n eq\n tag_10\n jumpi\n tag_1:\n invalid\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1017:1066 string constant public name = \"0x Protocol Token\" */\n tag_2:\n jumpi(tag_11, iszero(callvalue))\n invalid\n tag_11:\n tag_12\n jump(tag_13)\n tag_12:\n 0x40\n dup1\n mload\n 0x20\n dup1\n dup3\n mstore\n dup4\n mload\n dup2\n dup4\n add\n mstore\n dup4\n mload\n swap2\n swap3\n dup4\n swap3\n swap1\n dup4\n add\n swap2\n dup6\n add\n swap1\n dup1\n dup4\n dup4\n /* \"--CODEGEN--\":18:20 */\n dup3\n iszero\n /* \"--CODEGEN--\":13:16 */\n tag_14\n /* \"--CODEGEN--\":7:12 */\n jumpi\n /* \"--CODEGEN--\":32:37 */\n tag_15:\n /* \"--CODEGEN--\":59:62 */\n dup1\n /* \"--CODEGEN--\":53:58 */\n mload\n /* \"--CODEGEN--\":48:51 */\n dup3\n /* \"--CODEGEN--\":41:47 */\n mstore\n /* \"--CODEGEN--\":93:95 */\n 0x20\n /* \"--CODEGEN--\":88:91 */\n dup4\n /* \"--CODEGEN--\":85:87 */\n gt\n /* \"--CODEGEN--\":78:84 */\n iszero\n /* \"--CODEGEN--\":73:76 */\n tag_14\n /* \"--CODEGEN--\":67:72 */\n jumpi\n /* \"--CODEGEN--\":152:155 */\n 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe0\n swap1\n swap3\n add\n swap2\n /* \"--CODEGEN--\":117:119 */\n 0x20\n /* \"--CODEGEN--\":108:111 */\n swap2\n dup3\n add\n swap2\n /* \"--CODEGEN--\":130:133 */\n add\n /* \"--CODEGEN--\":172:177 */\n tag_15\n /* \"--CODEGEN--\":167:171 */\n jump\n /* \"--CODEGEN--\":181:184 */\n tag_14:\n /* \"--CODEGEN--\":3:189 */\n pop\n pop\n pop\n swap1\n pop\n swap1\n dup2\n add\n swap1\n 0x1f\n and\n dup1\n iszero\n tag_16\n jumpi\n dup1\n dup3\n sub\n dup1\n mload\n 0x1\n dup4\n 0x20\n sub\n 0x100\n exp\n sub\n not\n and\n dup2\n mstore\n 0x20\n add\n swap2\n pop\n tag_16:\n pop\n swap3\n pop\n pop\n pop\n mload(0x40)\n dup1\n swap2\n sub\n swap1\n return\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1087:1274 */\n tag_3:\n jumpi(tag_17, iszero(callvalue))\n invalid\n tag_17:\n tag_18\n and(calldataload(0x4), 0xffffffffffffffffffffffffffffffffffffffff)\n calldataload(0x24)\n jump(tag_19)\n tag_18:\n 0x40\n dup1\n mload\n swap2\n iszero\n iszero\n dup3\n mstore\n mload\n swap1\n dup2\n swap1\n sub\n 0x20\n add\n swap1\n return\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":937:972 uint256 public totalSupply = 10**27 */\n tag_4:\n jumpi(tag_20, iszero(callvalue))\n invalid\n tag_20:\n tag_21\n jump(tag_22)\n tag_21:\n 0x40\n dup1\n mload\n swap2\n dup3\n mstore\n mload\n swap1\n dup2\n swap1\n sub\n 0x20\n add\n swap1\n return\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1066:1675 */\n tag_5:\n jumpi(tag_23, iszero(callvalue))\n invalid\n tag_23:\n tag_18\n 0xffffffffffffffffffffffffffffffffffffffff\n calldataload(0x4)\n dup2\n and\n swap1\n calldataload(0x24)\n and\n calldataload(0x44)\n jump(tag_25)\n tag_24:\n 0x40\n dup1\n mload\n swap2\n iszero\n iszero\n dup3\n mstore\n mload\n swap1\n dup2\n swap1\n sub\n 0x20\n add\n swap1\n return\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":896:931 uint8 constant public decimals = 18 */\n tag_6:\n jumpi(tag_26, iszero(callvalue))\n invalid\n tag_26:\n tag_27\n jump(tag_28)\n tag_27:\n 0x40\n dup1\n mload\n 0xff\n swap1\n swap3\n and\n dup3\n mstore\n mload\n swap1\n dup2\n swap1\n sub\n 0x20\n add\n swap1\n return\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":982:1081 */\n tag_7:\n jumpi(tag_29, iszero(callvalue))\n invalid\n tag_29:\n tag_21\n and(calldataload(0x4), 0xffffffffffffffffffffffffffffffffffffffff)\n jump(tag_31)\n tag_30:\n 0x40\n dup1\n mload\n swap2\n dup3\n mstore\n mload\n swap1\n dup2\n swap1\n sub\n 0x20\n add\n swap1\n return\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1072:1109 string constant public symbol = \"ZRX\" */\n tag_8:\n jumpi(tag_32, iszero(callvalue))\n invalid\n tag_32:\n tag_12\n jump(tag_34)\n tag_33:\n 0x40\n dup1\n mload\n 0x20\n dup1\n dup3\n mstore\n dup4\n mload\n dup2\n dup4\n add\n mstore\n dup4\n mload\n swap2\n swap3\n dup4\n swap3\n swap1\n dup4\n add\n swap2\n dup6\n add\n swap1\n dup1\n dup4\n dup4\n /* \"--CODEGEN--\":18:20 */\n dup3\n iszero\n /* \"--CODEGEN--\":13:16 */\n tag_14\n /* \"--CODEGEN--\":7:12 */\n jumpi\n /* \"--CODEGEN--\":32:37 */\n tag_36:\n /* \"--CODEGEN--\":59:62 */\n dup1\n /* \"--CODEGEN--\":53:58 */\n mload\n /* \"--CODEGEN--\":48:51 */\n dup3\n /* \"--CODEGEN--\":41:47 */\n mstore\n /* \"--CODEGEN--\":93:95 */\n 0x20\n /* \"--CODEGEN--\":88:91 */\n dup4\n /* \"--CODEGEN--\":85:87 */\n gt\n /* \"--CODEGEN--\":78:84 */\n iszero\n /* \"--CODEGEN--\":73:76 */\n tag_14\n /* \"--CODEGEN--\":67:72 */\n jumpi\n /* \"--CODEGEN--\":152:155 */\n 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe0\n swap1\n swap3\n add\n swap2\n /* \"--CODEGEN--\":117:119 */\n 0x20\n /* \"--CODEGEN--\":108:111 */\n swap2\n dup3\n add\n swap2\n /* \"--CODEGEN--\":130:133 */\n add\n /* \"--CODEGEN--\":172:177 */\n tag_15\n /* \"--CODEGEN--\":167:171 */\n jump\n /* \"--CODEGEN--\":181:184 */\n tag_35:\n /* \"--CODEGEN--\":3:189 */\n pop\n pop\n pop\n swap1\n pop\n swap1\n dup2\n add\n swap1\n 0x1f\n and\n dup1\n iszero\n tag_16\n jumpi\n dup1\n dup3\n sub\n dup1\n mload\n 0x1\n dup4\n 0x20\n sub\n 0x100\n exp\n sub\n not\n and\n dup2\n mstore\n 0x20\n add\n swap2\n pop\n tag_37:\n pop\n swap3\n pop\n pop\n pop\n mload(0x40)\n dup1\n swap2\n sub\n swap1\n return\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":125:535 */\n tag_9:\n jumpi(tag_38, iszero(callvalue))\n invalid\n tag_38:\n tag_18\n and(calldataload(0x4), 0xffffffffffffffffffffffffffffffffffffffff)\n calldataload(0x24)\n jump(tag_40)\n tag_39:\n 0x40\n dup1\n mload\n swap2\n iszero\n iszero\n dup3\n mstore\n mload\n swap1\n dup2\n swap1\n sub\n 0x20\n add\n swap1\n return\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1280:1406 */\n tag_10:\n jumpi(tag_41, iszero(callvalue))\n invalid\n tag_41:\n tag_21\n 0xffffffffffffffffffffffffffffffffffffffff\n calldataload(0x4)\n dup2\n and\n swap1\n calldataload(0x24)\n and\n jump(tag_43)\n tag_42:\n 0x40\n dup1\n mload\n swap2\n dup3\n mstore\n mload\n swap1\n dup2\n swap1\n sub\n 0x20\n add\n swap1\n return\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1017:1066 string constant public name = \"0x Protocol Token\" */\n tag_13:\n 0x40\n dup1\n mload\n dup1\n dup3\n add\n swap1\n swap2\n mstore\n 0x11\n dup2\n mstore\n 0x30782050726f746f636f6c20546f6b656e000000000000000000000000000000\n 0x20\n dup3\n add\n mstore\n dup2\n jump\t// out\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1087:1274 */\n tag_19:\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1160:1179 */\n 0xffffffffffffffffffffffffffffffffffffffff\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1168:1178 */\n caller\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1160:1179 */\n dup2\n and\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1144:1148 */\n 0x0\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1160:1179 */\n dup2\n dup2\n mstore\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1160:1167 */\n 0x1\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1160:1179 */\n 0x20\n swap1\n dup2\n mstore\n 0x40\n dup1\n dup4\n sha3\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1160:1189 */\n swap5\n dup8\n and\n dup1\n dup5\n mstore\n swap5\n dup3\n mstore\n dup1\n dup4\n sha3\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1160:1198 */\n dup7\n swap1\n sstore\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1208:1246 */\n dup1\n mload\n dup7\n dup2\n mstore\n swap1\n mload\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1144:1148 */\n swap3\n swap5\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1160:1189 */\n swap4\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1160:1179 */\n swap3\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1208:1246 */\n 0x8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925\n swap3\n swap2\n dup2\n swap1\n sub\n swap1\n swap2\n add\n swap1\n log3\n pop\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1263:1267 */\n 0x1\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1087:1274 */\n tag_44:\n swap3\n swap2\n pop\n pop\n jump\t// out\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":937:972 uint256 public totalSupply = 10**27 */\n tag_22:\n sload(0x3)\n dup2\n jump\t// out\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1066:1675 */\n tag_25:\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1198:1212 */\n 0xffffffffffffffffffffffffffffffffffffffff\n dup1\n dup5\n and\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1161:1165 */\n 0x0\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1198:1212 */\n dup2\n dup2\n mstore\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1198:1205 */\n 0x1\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1198:1212 */\n 0x20\n swap1\n dup2\n mstore\n 0x40\n dup1\n dup4\n sha3\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1213:1223 */\n caller\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1198:1224 */\n swap1\n swap6\n and\n dup4\n mstore\n swap4\n dup2\n mstore\n dup4\n dup3\n sha3\n sload\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1238:1253 */\n swap3\n dup3\n mstore\n dup2\n swap1\n mstore\n swap2\n dup3\n sha3\n sload\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1238:1263 */\n dup4\n swap1\n lt\n dup1\n iszero\n swap1\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1238:1298 */\n tag_46\n jumpi\n pop\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1292:1298 */\n dup3\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1279:1288 */\n dup2\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1279:1298 */\n lt\n iszero\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1238:1298 */\n tag_46:\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1238:1353 */\n dup1\n iszero\n tag_47\n jumpi\n pop\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1340:1353 */\n 0xffffffffffffffffffffffffffffffffffffffff\n dup5\n and\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1340:1348 */\n 0x0\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1340:1353 */\n swap1\n dup2\n mstore\n 0x20\n dup2\n swap1\n mstore\n 0x40\n swap1\n sha3\n sload\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1314:1336 */\n dup4\n dup2\n add\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1314:1353 */\n lt\n iszero\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1238:1353 */\n tag_47:\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1234:1669 */\n iszero\n tag_48\n jumpi\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1378:1391 */\n 0xffffffffffffffffffffffffffffffffffffffff\n dup1\n dup6\n and\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1378:1386 */\n 0x0\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1378:1391 */\n swap1\n dup2\n mstore\n 0x20\n dup2\n swap1\n mstore\n 0x40\n dup1\n dup3\n sha3\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1378:1401 */\n dup1\n sload\n dup8\n add\n swap1\n sstore\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1415:1430 */\n swap2\n dup8\n and\n dup2\n mstore\n sha3\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1415:1440 */\n dup1\n sload\n dup5\n swap1\n sub\n swap1\n sstore\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":768:778 */\n 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1458:1478 */\n dup2\n lt\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1454:1549 */\n iszero\n tag_49\n jumpi\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1498:1512 */\n 0xffffffffffffffffffffffffffffffffffffffff\n dup1\n dup7\n and\n 0x0\n swap1\n dup2\n mstore\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1498:1505 */\n 0x1\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1498:1512 */\n 0x20\n swap1\n dup2\n mstore\n 0x40\n dup1\n dup4\n sha3\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1513:1523 */\n caller\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1498:1524 */\n swap1\n swap5\n and\n dup4\n mstore\n swap3\n swap1\n mstore\n sha3\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1498:1534 */\n dup1\n sload\n dup5\n swap1\n sub\n swap1\n sstore\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1454:1549 */\n tag_49:\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1578:1581 */\n dup4\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1562:1590 */\n 0xffffffffffffffffffffffffffffffffffffffff\n and\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1571:1576 */\n dup6\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1562:1590 */\n 0xffffffffffffffffffffffffffffffffffffffff\n and\n 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1583:1589 */\n dup6\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1562:1590 */\n mload(0x40)\n dup1\n dup3\n dup2\n mstore\n 0x20\n add\n swap2\n pop\n pop\n mload(0x40)\n dup1\n swap2\n sub\n swap1\n log3\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1611:1615 */\n 0x1\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1604:1615 */\n swap2\n pop\n jump(tag_50)\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1234:1669 */\n tag_48:\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1653:1658 */\n 0x0\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1646:1658 */\n swap2\n pop\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1234:1669 */\n tag_50:\n /* \"1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\":1066:1675 */\n tag_45:\n pop\n swap4\n swap3\n pop\n pop\n pop\n jump\t// out\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":896:931 uint8 constant public decimals = 18 */\n tag_28:\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":929:931 18 */\n 0x12\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":896:931 uint8 constant public decimals = 18 */\n dup2\n jump\t// out\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":982:1081 */\n tag_31:\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1058:1074 */\n 0xffffffffffffffffffffffffffffffffffffffff\n dup2\n and\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1035:1039 */\n 0x0\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1058:1074 */\n swap1\n dup2\n mstore\n 0x20\n dup2\n swap1\n mstore\n 0x40\n swap1\n sha3\n sload\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":982:1081 */\n tag_51:\n swap2\n swap1\n pop\n jump\t// out\n /* \"2.0.0/tokens/ZRXToken/ZRXToken.sol\":1072:1109 string constant public symbol = \"ZRX\" */\n tag_34:\n 0x40\n dup1\n mload\n dup1\n dup3\n add\n swap1\n swap2\n mstore\n 0x3\n dup2\n mstore\n 0x5a52580000000000000000000000000000000000000000000000000000000000\n 0x20\n dup3\n add\n mstore\n dup2\n jump\t// out\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":125:535 */\n tag_40:\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":267:287 */\n 0xffffffffffffffffffffffffffffffffffffffff\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":276:286 */\n caller\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":267:287 */\n and\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":178:182 */\n 0x0\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":267:287 */\n swap1\n dup2\n mstore\n 0x20\n dup2\n swap1\n mstore\n 0x40\n dup2\n sha3\n sload\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":267:297 */\n dup3\n swap1\n lt\n dup1\n iszero\n swap1\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":267:340 */\n tag_53\n jumpi\n pop\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":327:340 */\n 0xffffffffffffffffffffffffffffffffffffffff\n dup4\n and\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":327:335 */\n 0x0\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":327:340 */\n swap1\n dup2\n mstore\n 0x20\n dup2\n swap1\n mstore\n 0x40\n swap1\n sha3\n sload\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":301:323 */\n dup3\n dup2\n add\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":301:340 */\n lt\n iszero\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":267:340 */\n tag_53:\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":263:529 */\n iszero\n tag_54\n jumpi\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":356:376 */\n 0xffffffffffffffffffffffffffffffffffffffff\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":365:375 */\n caller\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":356:376 */\n dup2\n and\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":356:364 */\n 0x0\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":356:376 */\n dup2\n dup2\n mstore\n 0x20\n dup2\n dup2\n mstore\n 0x40\n dup1\n dup4\n sha3\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":356:386 */\n dup1\n sload\n dup9\n swap1\n sub\n swap1\n sstore\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":400:413 */\n swap4\n dup8\n and\n dup1\n dup4\n mstore\n swap2\n dup5\n swap1\n sha3\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":400:423 */\n dup1\n sload\n dup8\n add\n swap1\n sstore\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":437:470 */\n dup4\n mload\n dup7\n dup2\n mstore\n swap4\n mload\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":400:413 */\n swap2\n swap4\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":437:470 */\n 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef\n swap3\n swap1\n dup2\n swap1\n sub\n swap1\n swap2\n add\n swap1\n log3\n pop\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":491:495 */\n 0x1\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":484:495 */\n jump(tag_44)\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":263:529 */\n tag_54:\n pop\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":521:526 */\n 0x0\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":514:526 */\n jump(tag_44)\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":263:529 */\n tag_55:\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":125:535 */\n tag_52:\n swap3\n swap2\n pop\n pop\n jump\t// out\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1280:1406 */\n tag_43:\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1374:1389 */\n 0xffffffffffffffffffffffffffffffffffffffff\n dup1\n dup4\n and\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1351:1355 */\n 0x0\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1374:1389 */\n swap1\n dup2\n mstore\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1374:1381 */\n 0x1\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1374:1389 */\n 0x20\n swap1\n dup2\n mstore\n 0x40\n dup1\n dup4\n sha3\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1374:1399 */\n swap4\n dup6\n and\n dup4\n mstore\n swap3\n swap1\n mstore\n sha3\n sload\n /* \"1.0.0/ERC20Token/ERC20Token_v1.sol\":1280:1406 */\n tag_56:\n swap3\n swap2\n pop\n pop\n jump\t// out\n}\n", + "bytecode": { + "linkReferences": {}, + "object": 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PUSH2 0xA0 JUMPI INVALID JUMPDEST PUSH2 0xA8 PUSH2 0x37E JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 ADD SWAP1 DUP1 DUP4 DUP4 DUP3 ISZERO PUSH2 0x10C JUMPI JUMPDEST DUP1 MLOAD DUP3 MSTORE PUSH1 0x20 DUP4 GT ISZERO PUSH2 0x10C JUMPI PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0xCE JUMP JUMPDEST POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x138 JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x14E JUMPI INVALID JUMPDEST PUSH2 0x172 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x3B5 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x18E JUMPI INVALID JUMPDEST PUSH2 0x196 PUSH2 0x42D JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x1B0 JUMPI INVALID JUMPDEST PUSH2 0x172 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x433 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x1F6 JUMPI INVALID JUMPDEST PUSH2 0x1FE PUSH2 0x5D4 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0xFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x21C JUMPI INVALID JUMPDEST PUSH2 0x196 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x5D9 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x257 JUMPI INVALID JUMPDEST PUSH2 0xA8 PUSH2 0x605 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 ADD SWAP1 DUP1 DUP4 DUP4 DUP3 ISZERO PUSH2 0x10C JUMPI JUMPDEST DUP1 MLOAD DUP3 MSTORE PUSH1 0x20 DUP4 GT ISZERO PUSH2 0x10C JUMPI PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0xCE JUMP JUMPDEST POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x138 JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x305 JUMPI INVALID JUMPDEST PUSH2 0x172 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x63C JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x345 JUMPI INVALID JUMPDEST PUSH2 0x196 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0x727 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST PUSH1 0x40 DUP1 MLOAD DUP1 DUP3 ADD SWAP1 SWAP2 MSTORE PUSH1 0x11 DUP2 MSTORE PUSH32 0x30782050726F746F636F6C20546F6B656E000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF CALLER DUP2 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 SHA3 SWAP5 DUP8 AND DUP1 DUP5 MSTORE SWAP5 DUP3 MSTORE DUP1 DUP4 SHA3 DUP7 SWAP1 SSTORE DUP1 MLOAD DUP7 DUP2 MSTORE SWAP1 MLOAD SWAP3 SWAP5 SWAP4 SWAP3 PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 SWAP3 SWAP2 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP PUSH1 0x1 JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x3 SLOAD DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP5 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 SHA3 CALLER SWAP1 SWAP6 AND DUP4 MSTORE SWAP4 DUP2 MSTORE DUP4 DUP3 SHA3 SLOAD SWAP3 DUP3 MSTORE DUP2 SWAP1 MSTORE SWAP2 DUP3 SHA3 SLOAD DUP4 SWAP1 LT DUP1 ISZERO SWAP1 PUSH2 0x483 JUMPI POP DUP3 DUP2 LT ISZERO JUMPDEST DUP1 ISZERO PUSH2 0x4B6 JUMPI POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 SHA3 SLOAD DUP4 DUP2 ADD LT ISZERO JUMPDEST ISZERO PUSH2 0x5C6 JUMPI PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP6 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP1 DUP3 SHA3 DUP1 SLOAD DUP8 ADD SWAP1 SSTORE SWAP2 DUP8 AND DUP2 MSTORE SHA3 DUP1 SLOAD DUP5 SWAP1 SUB SWAP1 SSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 LT ISZERO PUSH2 0x558 JUMPI PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP7 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 SHA3 CALLER SWAP1 SWAP5 AND DUP4 MSTORE SWAP3 SWAP1 MSTORE SHA3 DUP1 SLOAD DUP5 SWAP1 SUB SWAP1 SSTORE JUMPDEST DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF DUP6 PUSH1 0x40 MLOAD DUP1 DUP3 DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 PUSH1 0x1 SWAP2 POP PUSH2 0x5CB JUMP JUMPDEST PUSH1 0x0 SWAP2 POP JUMPDEST JUMPDEST POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x12 DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 SHA3 SLOAD JUMPDEST SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD DUP1 DUP3 ADD SWAP1 SWAP2 MSTORE PUSH1 0x3 DUP2 MSTORE PUSH32 0x5A52580000000000000000000000000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF CALLER AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP2 SHA3 SLOAD DUP3 SWAP1 LT DUP1 ISZERO SWAP1 PUSH2 0x699 JUMPI POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 SHA3 SLOAD DUP3 DUP2 ADD LT ISZERO JUMPDEST ISZERO PUSH2 0x718 JUMPI PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF CALLER DUP2 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 SHA3 DUP1 SLOAD DUP9 SWAP1 SUB SWAP1 SSTORE SWAP4 DUP8 AND DUP1 DUP4 MSTORE SWAP2 DUP5 SWAP1 SHA3 DUP1 SLOAD DUP8 ADD SWAP1 SSTORE DUP4 MLOAD DUP7 DUP2 MSTORE SWAP4 MLOAD SWAP2 SWAP4 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP3 SWAP1 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP PUSH1 0x1 PUSH2 0x427 JUMP JUMPDEST POP PUSH1 0x0 PUSH2 0x427 JUMP JUMPDEST JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 SHA3 SWAP4 DUP6 AND DUP4 MSTORE SWAP3 SWAP1 MSTORE SHA3 SLOAD JUMPDEST SWAP3 SWAP2 POP POP JUMP STOP LOG1 PUSH6 0x627A7A723058 SHA3 0x1b JUMPDEST PUSH17 0xCF82A73DEC658C2E60AB9A0F8E2BA01A74 0xb6 PUSH11 0x6F5B0402F56D2EA0FFCF00 0x29 ", + "sourceMap": "795:455:3:-;;;966:6;937:35;;1158:90;;;;;;;1230:11;;-1:-1:-1;;;;;1216:10:3;1207:20;:8;:20;;;;;;;;;;:34;1158:90;795:455;;;;;;;" + }, + "deployedBytecode": { + "linkReferences": {}, + "object": 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+ "opcodes": "PUSH1 0x60 PUSH1 0x40 MSTORE CALLDATASIZE ISZERO PUSH2 0x96 JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x6FDDE03 DUP2 EQ PUSH2 0x98 JUMPI DUP1 PUSH4 0x95EA7B3 EQ PUSH2 0x146 JUMPI DUP1 PUSH4 0x18160DDD EQ PUSH2 0x186 JUMPI DUP1 PUSH4 0x23B872DD EQ PUSH2 0x1A8 JUMPI DUP1 PUSH4 0x313CE567 EQ PUSH2 0x1EE JUMPI DUP1 PUSH4 0x70A08231 EQ PUSH2 0x214 JUMPI DUP1 PUSH4 0x95D89B41 EQ PUSH2 0x24F JUMPI DUP1 PUSH4 0xA9059CBB EQ PUSH2 0x2FD JUMPI DUP1 PUSH4 0xDD62ED3E EQ PUSH2 0x33D JUMPI JUMPDEST INVALID JUMPDEST CALLVALUE ISZERO PUSH2 0xA0 JUMPI INVALID JUMPDEST PUSH2 0xA8 PUSH2 0x37E JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 ADD SWAP1 DUP1 DUP4 DUP4 DUP3 ISZERO PUSH2 0x10C JUMPI JUMPDEST DUP1 MLOAD DUP3 MSTORE PUSH1 0x20 DUP4 GT ISZERO PUSH2 0x10C JUMPI PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0xCE JUMP JUMPDEST POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x138 JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x14E JUMPI INVALID JUMPDEST PUSH2 0x172 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x3B5 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x18E JUMPI INVALID JUMPDEST PUSH2 0x196 PUSH2 0x42D JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x1B0 JUMPI INVALID JUMPDEST PUSH2 0x172 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x433 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x1F6 JUMPI INVALID JUMPDEST PUSH2 0x1FE PUSH2 0x5D4 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0xFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x21C JUMPI INVALID JUMPDEST PUSH2 0x196 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x5D9 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x257 JUMPI INVALID JUMPDEST PUSH2 0xA8 PUSH2 0x605 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 ADD SWAP1 DUP1 DUP4 DUP4 DUP3 ISZERO PUSH2 0x10C JUMPI JUMPDEST DUP1 MLOAD DUP3 MSTORE PUSH1 0x20 DUP4 GT ISZERO PUSH2 0x10C JUMPI PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x20 SWAP2 DUP3 ADD SWAP2 ADD PUSH2 0xCE JUMP JUMPDEST POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x138 JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x305 JUMPI INVALID JUMPDEST PUSH2 0x172 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x63C JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x345 JUMPI INVALID JUMPDEST PUSH2 0x196 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0x727 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST PUSH1 0x40 DUP1 MLOAD DUP1 DUP3 ADD SWAP1 SWAP2 MSTORE PUSH1 0x11 DUP2 MSTORE PUSH32 0x30782050726F746F636F6C20546F6B656E000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF CALLER DUP2 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 SHA3 SWAP5 DUP8 AND DUP1 DUP5 MSTORE SWAP5 DUP3 MSTORE DUP1 DUP4 SHA3 DUP7 SWAP1 SSTORE DUP1 MLOAD DUP7 DUP2 MSTORE SWAP1 MLOAD SWAP3 SWAP5 SWAP4 SWAP3 PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 SWAP3 SWAP2 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP PUSH1 0x1 JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x3 SLOAD DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP5 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 SHA3 CALLER SWAP1 SWAP6 AND DUP4 MSTORE SWAP4 DUP2 MSTORE DUP4 DUP3 SHA3 SLOAD SWAP3 DUP3 MSTORE DUP2 SWAP1 MSTORE SWAP2 DUP3 SHA3 SLOAD DUP4 SWAP1 LT DUP1 ISZERO SWAP1 PUSH2 0x483 JUMPI POP DUP3 DUP2 LT ISZERO JUMPDEST DUP1 ISZERO PUSH2 0x4B6 JUMPI POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 SHA3 SLOAD DUP4 DUP2 ADD LT ISZERO JUMPDEST ISZERO PUSH2 0x5C6 JUMPI PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP6 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP1 DUP3 SHA3 DUP1 SLOAD DUP8 ADD SWAP1 SSTORE SWAP2 DUP8 AND DUP2 MSTORE SHA3 DUP1 SLOAD DUP5 SWAP1 SUB SWAP1 SSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 LT ISZERO PUSH2 0x558 JUMPI PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP7 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 SHA3 CALLER SWAP1 SWAP5 AND DUP4 MSTORE SWAP3 SWAP1 MSTORE SHA3 DUP1 SLOAD DUP5 SWAP1 SUB SWAP1 SSTORE JUMPDEST DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF DUP6 PUSH1 0x40 MLOAD DUP1 DUP3 DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 PUSH1 0x1 SWAP2 POP PUSH2 0x5CB JUMP JUMPDEST PUSH1 0x0 SWAP2 POP JUMPDEST JUMPDEST POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x12 DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 SHA3 SLOAD JUMPDEST SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD DUP1 DUP3 ADD SWAP1 SWAP2 MSTORE PUSH1 0x3 DUP2 MSTORE PUSH32 0x5A52580000000000000000000000000000000000000000000000000000000000 PUSH1 0x20 DUP3 ADD MSTORE DUP2 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF CALLER AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP2 SHA3 SLOAD DUP3 SWAP1 LT DUP1 ISZERO SWAP1 PUSH2 0x699 JUMPI POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 SHA3 SLOAD DUP3 DUP2 ADD LT ISZERO JUMPDEST ISZERO PUSH2 0x718 JUMPI PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF CALLER DUP2 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 SHA3 DUP1 SLOAD DUP9 SWAP1 SUB SWAP1 SSTORE SWAP4 DUP8 AND DUP1 DUP4 MSTORE SWAP2 DUP5 SWAP1 SHA3 DUP1 SLOAD DUP8 ADD SWAP1 SSTORE DUP4 MLOAD DUP7 DUP2 MSTORE SWAP4 MLOAD SWAP2 SWAP4 PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF SWAP3 SWAP1 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP PUSH1 0x1 PUSH2 0x427 JUMP JUMPDEST POP PUSH1 0x0 PUSH2 0x427 JUMP JUMPDEST JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 SHA3 SWAP4 DUP6 AND DUP4 MSTORE SWAP3 SWAP1 MSTORE SHA3 SLOAD JUMPDEST SWAP3 SWAP2 POP POP JUMP STOP LOG1 PUSH6 0x627A7A723058 SHA3 0x1b JUMPDEST PUSH17 0xCF82A73DEC658C2E60AB9A0F8E2BA01A74 0xb6 PUSH11 0x6F5B0402F56D2EA0FFCF00 0x29 ", + "sourceMap": "795:455:3:-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;1017:49;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;18:2:-1;;13:3;7:5;32;59:3;53:5;48:3;41:6;93:2;88:3;85:2;78:6;73:3;67:5;152:3;;;;;117:2;108:3;;;;130;172:5;167:4;181:3;3:186;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;1087:187:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;937:35:3;;;;;;;;;;;;;;;;;;;;;;;;;;1066:609:2;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;896:35:3;;;;;;;;;;;;;;;;;;;;;;;;;;;;;982:99:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;1072:37:3;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;18:2:-1;;13:3;7:5;32;59:3;53:5;48:3;41:6;93:2;88:3;85:2;78:6;73:3;67:5;152:3;;;;;117:2;108:3;;;;130;172:5;167:4;181:3;3:186;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;125:410:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;1280:126;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;1017:49:3;;;;;;;;;;;;;;;;;;;:::o;1087:187:0:-;1160:19;1168:10;1160:19;;1144:4;1160:19;;;:7;:19;;;;;;;;:29;;;;;;;;;;;;:38;;;1208;;;;;;;1144:4;;1160:29;:19;1208:38;;;;;;;;;;;-1:-1:-1;1263:4:0;1087:187;;;;;:::o;937:35:3:-;;;;:::o;1066:609:2:-;1198:14;;;;1161:4;1198:14;;;:7;:14;;;;;;;;1213:10;1198:26;;;;;;;;;;;;1238:15;;;;;;;;;;:25;;;;;;:60;;;1292:6;1279:9;:19;;1238:60;:115;;;;-1:-1:-1;1340:13:2;;;:8;:13;;;;;;;;;;;1314:22;;;:39;;1238:115;1234:435;;;1378:13;;;;:8;:13;;;;;;;;;;;:23;;;;;;1415:15;;;;;;:25;;;;;;;768:10;1458:20;;1454:95;;;1498:14;;;;;;;;:7;:14;;;;;;;;1513:10;1498:26;;;;;;;;;:36;;;;;;;1454:95;1578:3;1562:28;;1571:5;1562:28;;;1583:6;1562:28;;;;;;;;;;;;;;;;;;1611:4;1604:11;;;;1234:435;1653:5;1646:12;;1234:435;1066:609;;;;;;;:::o;896:35:3:-;929:2;896:35;:::o;982:99:0:-;1058:16;;;1035:4;1058:16;;;;;;;;;;;982:99;;;;:::o;1072:37:3:-;;;;;;;;;;;;;;;;;;;:::o;125:410:0:-;267:20;276:10;267:20;178:4;267:20;;;;;;;;;;;:30;;;;;;:73;;-1:-1:-1;327:13:0;;;:8;:13;;;;;;;;;;;301:22;;;:39;;267:73;263:266;;;356:20;365:10;356:20;;:8;:20;;;;;;;;;;;:30;;;;;;;400:13;;;;;;;;;;:23;;;;;;437:33;;;;;;;400:13;;437:33;;;;;;;;;;;-1:-1:-1;491:4:0;484:11;;263:266;-1:-1:-1;521:5:0;514:12;;263:266;125:410;;;;;:::o;1280:126::-;1374:15;;;;1351:4;1374:15;;;:7;:15;;;;;;;;:25;;;;;;;;;;1280:126;;;;;:::o" + }, + "gasEstimates": { + "creation": { + "codeDepositCost": "386600", + "executionCost": "40780", + "totalCost": "427380" + }, + "external": { + "allowance(address,address)": "737", + "approve(address,uint256)": "22218", + "balanceOf(address)": "579", + "decimals()": "270", + "name()": "530", + "symbol()": "662", + "totalSupply()": "417", + "transfer(address,uint256)": "43393", + "transferFrom(address,address,uint256)": "64116" + } + }, + "legacyAssembly": { + ".code": [ + { + "begin": 795, + "end": 1250, + "name": "PUSH", + "value": "60" + }, + { + "begin": 795, + "end": 1250, + "name": "PUSH", + "value": "40" + }, + { + "begin": 795, + "end": 1250, + "name": "MSTORE" + }, + { + "begin": 966, + "end": 972, + "name": "PUSH", + "value": "33B2E3C9FD0803CE8000000" + }, + { + "begin": 937, + "end": 972, + "name": "PUSH", + "value": "3" + }, + { + "begin": 937, + "end": 972, + "name": "SSTORE" + }, + { + "begin": 1158, + "end": 1248, + "name": "CALLVALUE" + }, + { + "begin": 1158, + 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false, + "visibility": "public" + }, + "children": [ + { + "children": [], + "id": 20, + "name": "ParameterList", + "src": "1175:2:3" + }, + { + "children": [], + "id": 21, + "name": "ParameterList", + "src": "1197:0:3" + }, + { + "children": [ + { + "children": [ + { + "attributes": { + "operator": "=", + "type": "uint256" + }, + "children": [ + { + "attributes": { + "type": "uint256" + }, + "children": [ + { + "attributes": { + "type": "mapping(address => uint256)", + "value": "balances" + }, + "id": 22, + "name": "Identifier", + "src": "1207:8:3" + }, + { + "attributes": { + "member_name": "sender", + "type": "address" + }, + "children": [ + { + "attributes": { + "type": "msg", + "value": "msg" + }, + "id": 23, + "name": "Identifier", + "src": "1216:3:3" + } + ], + "id": 24, + "name": "MemberAccess", + "src": "1216:10:3" + } + ], + "id": 25, + "name": "IndexAccess", + "src": "1207:20:3" + }, + { + "attributes": { + "type": "uint256", + "value": "totalSupply" + }, + "id": 26, + "name": "Identifier", + "src": "1230:11:3" + } + ], + "id": 27, + "name": "Assignment", + "src": "1207:34:3" + } + ], + "id": 28, + "name": "ExpressionStatement", + "src": "1207:34:3" + } + ], + "id": 29, + "name": "Block", + "src": "1197:51:3" + } + ], + "id": 30, + "name": "FunctionDefinition", + "src": "1158:90:3" + } + ], + "id": 31, + "name": "ContractDefinition", + "src": "795:455:3" + } + ], + "name": "SourceUnit" + } + } + }, + "sourceCodes": { + "1.0.0/ERC20Token/ERC20Token_v1.sol": "pragma solidity ^0.4.11;\n\nimport { Token_v1 as Token } from \"../Token/Token_v1.sol\";\n\ncontract ERC20Token_v1 is Token {\n\n function transfer(address _to, uint _value) returns (bool) {\n //Default assumes totalSupply can't be over max (2^256 - 1).\n if (balances[msg.sender] >= _value && balances[_to] + _value >= balances[_to]) {\n balances[msg.sender] -= _value;\n balances[_to] += _value;\n Transfer(msg.sender, _to, _value);\n return true;\n } else { return false; }\n }\n\n function transferFrom(address _from, address _to, uint _value) returns (bool) {\n if (balances[_from] >= _value && allowed[_from][msg.sender] >= _value && balances[_to] + _value >= balances[_to]) {\n balances[_to] += _value;\n balances[_from] -= _value;\n allowed[_from][msg.sender] -= _value;\n Transfer(_from, _to, _value);\n return true;\n } else { return false; }\n }\n\n function balanceOf(address _owner) constant returns (uint) {\n return balances[_owner];\n }\n\n function approve(address _spender, uint _value) returns (bool) {\n allowed[msg.sender][_spender] = _value;\n Approval(msg.sender, _spender, _value);\n return true;\n }\n\n function allowance(address _owner, address _spender) constant returns (uint) {\n return allowed[_owner][_spender];\n }\n\n mapping (address => uint) balances;\n mapping (address => mapping (address => uint)) allowed;\n uint public totalSupply;\n}\n", + "1.0.0/Token/Token_v1.sol": "pragma solidity ^0.4.11;\n\ncontract Token_v1 {\n\n /// @return total amount of tokens\n function totalSupply() constant returns (uint supply) {}\n\n /// @param _owner The address from which the balance will be retrieved\n /// @return The balance\n function balanceOf(address _owner) constant returns (uint balance) {}\n\n /// @notice send `_value` token to `_to` from `msg.sender`\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return Whether the transfer was successful or not\n function transfer(address _to, uint _value) returns (bool success) {}\n\n /// @notice send `_value` token to `_to` from `_from` on the condition it is approved by `_from`\n /// @param _from The address of the sender\n /// @param _to The address of the recipient\n /// @param _value The amount of token to be transferred\n /// @return Whether the transfer was successful or not\n function transferFrom(address _from, address _to, uint _value) returns (bool success) {}\n\n /// @notice `msg.sender` approves `_addr` to spend `_value` tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @param _value The amount of wei to be approved for transfer\n /// @return Whether the approval was successful or not\n function approve(address _spender, uint _value) returns (bool success) {}\n\n /// @param _owner The address of the account owning tokens\n /// @param _spender The address of the account able to transfer the tokens\n /// @return Amount of remaining tokens allowed to spent\n function allowance(address _owner, address _spender) constant returns (uint remaining) {}\n\n event Transfer(address indexed _from, address indexed _to, uint _value);\n event Approval(address indexed _owner, address indexed _spender, uint _value);\n}\n\n", + "1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity ^0.4.11;\n\nimport { ERC20Token_v1 as ERC20Token } from \"../ERC20Token/ERC20Token_v1.sol\";\n\ncontract UnlimitedAllowanceToken_v1 is ERC20Token {\n\n uint constant MAX_UINT = 2**256 - 1;\n\n /// @dev ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited allowance.\n /// @param _from Address to transfer from.\n /// @param _to Address to transfer to.\n /// @param _value Amount to transfer.\n /// @return Success of transfer.\n function transferFrom(address _from, address _to, uint _value)\n public\n returns (bool)\n {\n uint allowance = allowed[_from][msg.sender];\n if (balances[_from] >= _value\n && allowance >= _value\n && balances[_to] + _value >= balances[_to]\n ) {\n balances[_to] += _value;\n balances[_from] -= _value;\n if (allowance < MAX_UINT) {\n allowed[_from][msg.sender] -= _value;\n }\n Transfer(_from, _to, _value);\n return true;\n } else {\n return false;\n }\n }\n}\n", + "2.0.0/tokens/ZRXToken/ZRXToken.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n\n*/\n\npragma solidity 0.4.11;\n\n// solhint-disable-next-line max-line-length\nimport { UnlimitedAllowanceToken_v1 as UnlimitedAllowanceToken } from \"../../../1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol\";\n\n\ncontract ZRXToken is \n UnlimitedAllowanceToken\n{\n\n // solhint-disable const-name-snakecase\n uint8 constant public decimals = 18;\n uint256 public totalSupply = 10**27; // 1 billion tokens, 18 decimal places\n string constant public name = \"0x Protocol Token\";\n string constant public symbol = \"ZRX\";\n // solhint-enableconst-name-snakecase\n\n function ZRXToken()\n public\n {\n balances[msg.sender] = totalSupply;\n }\n}\n" + }, + "sourceTreeHashHex": "0xe3fb14114a377d3b5f004168d4f43cb29ab930b3277425645bdbd609bf974317", + "compiler": { + "name": "solc", + "version": "soljson-v0.4.11+commit.68ef5810.js", + "settings": { + "optimizer": { + "enabled": true, + "runs": 1000000 + }, + "outputSelection": { + "*": { + "*": [ + "abi", + "evm.bytecode.object", + "evm.bytecode.sourceMap", + "evm.deployedBytecode.object", + "evm.deployedBytecode.sourceMap" + ] + } + } + } + }, + "networks": { + "3": { + "address": "0xff67881f8d12f372d91baae9752eb3631ff0ed00", + "links": {}, + "constructorArgs": "[\"0x Protocol Token\",\"ZRX\",\"18\",\"1000000000000000000000000000\"]" + }, + "42": { + "address": "0x2002d3812f58e35f0ea1ffbf80a75a38c32175fa", + "links": {}, + "constructorArgs": "[\"0x Protocol Token\",\"ZRX\",\"18\",\"1000000000000000000000000000\"]" + }, + "50": { + "address": "0x871dd7c2b4b25e1aa18728e9d5f2af4c4e431f5c", + "links": {}, + "constructorArgs": "[]" + } + } +} diff --git a/packages/migrations/package.json b/packages/migrations/package.json index 847a93472..22a71e3bc 100644 --- a/packages/migrations/package.json +++ b/packages/migrations/package.json @@ -11,7 +11,7 @@ "build": "yarn pre_build && tsc -b", "pre_build": "run-s compile:v2 copy_artifacts generate_contract_wrappers", "copy_artifacts": "copyfiles 'artifacts/**/*' ./lib", - "clean": "shx rm -rf lib src/1.0.0/contract_wrappers src/2.0.0/contract_wrappers src/2.0.0-beta-testnet/contract_wrappers src/2.0.0-mainnet/contract_wrappers artifacts/2.0.0", + "clean": "shx rm -rf lib src/1.0.0/contract_wrappers src/2.0.0-testnet/contract_wrappers src/2.0.0/contract_wrappers src/development/contract_wrappers artifacts/development", "lint": "tslint --project . --exclude **/src/v2/contract_wrappers/**/* --exclude **/src/v1/contract_wrappers/**/*", "migrate:v1": "run-s build compile:v1 script:migrate:v1", "migrate:v2": "run-s build compile:v2 script:migrate:v2", @@ -27,16 +27,13 @@ "generate_contract_wrappers:v2-beta-testnet": "abi-gen --abis ${npm_package_config_abis_v2BetaTestnet} --template ../contract_templates/contract.handlebars --partials '../contract_templates/partials/**/*.handlebars' --output src/2.0.0-beta-testnet/contract_wrappers --backend ethers", "generate_contract_wrappers:v2-mainnet": "abi-gen --abis ${npm_package_config_abis_v2Mainnet} --template ../contract_templates/contract.handlebars --partials '../contract_templates/partials/**/*.handlebars' --output src/2.0.0-mainnet/contract_wrappers --backend ethers", "compile:v1": "sol-compiler --artifacts-dir artifacts/1.0.0 --contracts Exchange_v1,DummyERC20Token,ZRXToken,WETH9,TokenTransferProxy_v1,MultiSigWallet,MultiSigWalletWithTimeLock,MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress,TokenRegistry", - "compile:v2": "sol-compiler --artifacts-dir artifacts/2.0.0 --contracts AssetProxyOwner,ERC20Token,DummyERC20Token,ERC721Token,DummyERC721Token,ERC20Proxy,ERC721Proxy,Exchange,Forwarder,MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress,ZRXToken,WETH9,IWallet,IValidator,OrderValidator", - "compile:v2-beta-testnet": "sol-compiler --artifacts-dir artifacts/2.0.0-beta-testnet --contracts AssetProxyOwner,DummyERC20Token,DummyERC721Token,ERC20Proxy,ERC721Proxy,Exchange,Forwarder,IWallet,IValidator,ERC20Token,ERC721Token,OrderValidator,ZRXToken", - "compile:v2-mainnet": "sol-compiler --artifacts-dir artifacts/2.0.0-mainnet --contracts AssetProxyOwner,ERC20Proxy,ERC721Proxy,Exchange,Forwarder,OrderValidator" }, "config": { "abis": { "v1": "artifacts/1.0.0/@(DummyERC20Token|TokenTransferProxy_v1|Exchange_v1|TokenRegistry|MultiSigWallet|MultiSigWalletWithTimeLock|MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress|TokenRegistry|ZRXToken|WETH9).json", - "v2": "artifacts/2.0.0/@(ERC20Token|DummyERC20Token|ERC721Token|DummyERC721Token|ERC20Proxy|ERC721Proxy|Exchange|Forwarder|AssetProxyOwner|ZRXToken|WETH9|IWallet|IValidator|OrderValidator).json", - "v2BetaTestnet": "artifacts/2.0.0-beta-testnet/@(DummyERC721Token|DummyERC20Token|ERC20Token|ERC721Token|ERC20Proxy|ERC721Proxy|Exchange|Forwarder|AssetProxyOwner|IWallet|IValidator|OrderValidator|ZRXToken).json", - "v2Mainnet": "artifacts/2.0.0-mainnet/@(AssetProxyOwner|ERC20Proxy|ERC721Proxy|Exchange|Forwarder|OrderValidator).json" + "v2Testnet": "artifacts/2.0.0-testnet/@(DummyERC721Token|DummyERC20Token|ERC20Token|ERC721Token|ERC20Proxy|ERC721Proxy|Exchange|Forwarder|AssetProxyOwner|IWallet|IValidator|OrderValidator|ZRXToken).json", + "v2": "artifacts/2.0.0/@(DummyERC721Token|DummyERC20Token|ERC20Token|ERC721Token|ERC20Proxy|ERC721Proxy|Exchange|Forwarder|AssetProxyOwner|IWallet|IValidator|OrderValidator|ZRXToken).json", + "development": "artifacts/development/@(DummyERC721Token|DummyERC20Token|ERC20Token|ERC721Token|ERC20Proxy|ERC721Proxy|Exchange|Forwarder|AssetProxyOwner|IWallet|IValidator|OrderValidator|ZRXToken).json" } }, "license": "Apache-2.0", diff --git a/packages/migrations/src/2.0.0-beta-testnet/artifacts.ts b/packages/migrations/src/2.0.0-beta-testnet/artifacts.ts deleted file mode 100644 index ba5fa68a4..000000000 --- a/packages/migrations/src/2.0.0-beta-testnet/artifacts.ts +++ /dev/null @@ -1,23 +0,0 @@ -import { ContractArtifact } from 'ethereum-types'; - -import * as AssetProxyOwner from '../../artifacts/2.0.0-beta-testnet/AssetProxyOwner.json'; -import * as DummyERC20Token from '../../artifacts/2.0.0-beta-testnet/DummyERC20Token.json'; -import * as DummyERC721Token from '../../artifacts/2.0.0-beta-testnet/DummyERC721Token.json'; -import * as ERC20Proxy from '../../artifacts/2.0.0-beta-testnet/ERC20Proxy.json'; -import * as ERC721Proxy from '../../artifacts/2.0.0-beta-testnet/ERC721Proxy.json'; -import * as Exchange from '../../artifacts/2.0.0-beta-testnet/Exchange.json'; -import * as Forwarder from '../../artifacts/2.0.0-beta-testnet/Forwarder.json'; -import * as OrderValidator from '../../artifacts/2.0.0-beta-testnet/OrderValidator.json'; -import * as ZRXToken from '../../artifacts/2.0.0-beta-testnet/ZRXToken.json'; - -export const artifacts = { - AssetProxyOwner: (AssetProxyOwner as any) as ContractArtifact, - Exchange: (Exchange as any) as ContractArtifact, - ERC20Proxy: (ERC20Proxy as any) as ContractArtifact, - ERC721Proxy: (ERC721Proxy as any) as ContractArtifact, - DummyERC721Token: (DummyERC721Token as any) as ContractArtifact, - DummyERC20Token: (DummyERC20Token as any) as ContractArtifact, - Forwarder: (Forwarder as any) as ContractArtifact, - OrderValidator: (OrderValidator as any) as ContractArtifact, - ZRX: (ZRXToken as any) as ContractArtifact, -}; diff --git a/packages/migrations/src/2.0.0-beta-testnet/migration.ts b/packages/migrations/src/2.0.0-beta-testnet/migration.ts deleted file mode 100644 index 62a16ddae..000000000 --- a/packages/migrations/src/2.0.0-beta-testnet/migration.ts +++ /dev/null @@ -1,190 +0,0 @@ -import { assetDataUtils } from '@0xproject/order-utils'; -import { BigNumber, logUtils } from '@0xproject/utils'; -import { Web3Wrapper } from '@0xproject/web3-wrapper'; -import { Provider, TxData } from 'ethereum-types'; - -import { ArtifactWriter } from '../utils/artifact_writer'; -import { constants } from '../utils/constants'; -import { erc20TokenInfo, erc721TokenInfo, etherTokenByNetwork } from '../utils/token_info'; - -import { artifacts } from './artifacts'; -import { AssetProxyOwnerContract } from './contract_wrappers/asset_proxy_owner'; -import { DummyERC20TokenContract } from './contract_wrappers/dummy_erc20_token'; -import { DummyERC721TokenContract } from './contract_wrappers/dummy_erc721_token'; -import { ERC20ProxyContract } from './contract_wrappers/erc20_proxy'; -import { ERC721ProxyContract } from './contract_wrappers/erc721_proxy'; -import { ExchangeContract } from './contract_wrappers/exchange'; -import { ForwarderContract } from './contract_wrappers/forwarder'; -import { OrderValidatorContract } from './contract_wrappers/order_validator'; - -// tslint:disable-next-line:custom-no-magic-numbers -const ERC20_TOTAL_SUPPLY = new BigNumber(1000000000000000000000000000); - -/** - * Custom migrations should be defined in this function. This will be called with the CLI 'migrate:v2-beta-testnet' command. - * Migrations could be written to run in parallel, but if you want contract addresses to be created deterministically, - * the migration should be written to run synchronously. - * @param provider Web3 provider instance. - * @param artifactsDir The directory with compiler artifact files. - * @param txDefaults Default transaction values to use when deploying contracts. - */ -export const runV2TestnetMigrationsAsync = async ( - provider: Provider, - artifactsDir: string, - txDefaults: Partial, -) => { - const web3Wrapper = new Web3Wrapper(provider); - const networkId = await web3Wrapper.getNetworkIdAsync(); - const artifactsWriter = new ArtifactWriter(artifactsDir, networkId); - - // Deploy AssetProxies - const erc20proxy = await ERC20ProxyContract.deployFrom0xArtifactAsync(artifacts.ERC20Proxy, provider, txDefaults); - artifactsWriter.saveArtifact(erc20proxy); - const erc721proxy = await ERC721ProxyContract.deployFrom0xArtifactAsync( - artifacts.ERC721Proxy, - provider, - txDefaults, - ); - artifactsWriter.saveArtifact(erc721proxy); - - const zrxDecimals = new BigNumber(18); - const zrxSupply = ERC20_TOTAL_SUPPLY; - const zrxToken = await DummyERC20TokenContract.deployFrom0xArtifactAsync( - artifacts.DummyERC20Token, - provider, - txDefaults, - '0x Protocol Token', - 'ZRX', - zrxDecimals, - zrxSupply, - ); - artifactsWriter.saveArtifact(zrxToken); - - // Deploy Exchange - const zrxAssetData = assetDataUtils.encodeERC20AssetData(zrxToken.address); - const exchange = await ExchangeContract.deployFrom0xArtifactAsync( - artifacts.Exchange, - provider, - txDefaults, - zrxAssetData, - ); - artifactsWriter.saveArtifact(exchange); - - let txHash; - // Register AssetProxies in Exchange - txHash = await exchange.registerAssetProxy.sendTransactionAsync(erc20proxy.address); - logUtils.log(`transactionHash: ${txHash}`); - logUtils.log('Registering ERC20Proxy'); - await web3Wrapper.awaitTransactionSuccessAsync(txHash); - - txHash = await exchange.registerAssetProxy.sendTransactionAsync(erc721proxy.address); - logUtils.log(`transactionHash: ${txHash}`); - logUtils.log('Registering ERC721Proxy'); - await web3Wrapper.awaitTransactionSuccessAsync(txHash); - // Ether token is already deployed on various test nets - const etherTokenAddress = etherTokenByNetwork[networkId].address; - const wethAssetData = assetDataUtils.encodeERC20AssetData(etherTokenAddress); - const forwarder = await ForwarderContract.deployFrom0xArtifactAsync( - artifacts.Forwarder, - provider, - txDefaults, - exchange.address, - zrxAssetData, - wethAssetData, - ); - artifactsWriter.saveArtifact(forwarder); - - // Deploy AssetProxyOwner - const assetProxyOwner = await AssetProxyOwnerContract.deployFrom0xArtifactAsync( - artifacts.AssetProxyOwner, - provider, - txDefaults, - constants.ASSET_PROXY_OWNER_OWNERS, - [erc20proxy.address, erc721proxy.address], - constants.ASSET_PROXY_OWNER_CONFIRMATIONS, - constants.ASSET_PROXY_OWNER_TIMELOCK, - ); - artifactsWriter.saveArtifact(assetProxyOwner); - - // Deploy OrderValidator - const orderValidator = await OrderValidatorContract.deployFrom0xArtifactAsync( - artifacts.OrderValidator, - provider, - txDefaults, - exchange.address, - zrxAssetData, - ); - artifactsWriter.saveArtifact(orderValidator); - - // Authorize Exchange contracts to call AssetProxies - txHash = await erc20proxy.addAuthorizedAddress.sendTransactionAsync(exchange.address); - logUtils.log(`transactionHash: ${txHash}`); - logUtils.log('Authorizing Exchange on ERC20Proxy'); - await web3Wrapper.awaitTransactionSuccessAsync(txHash); - - txHash = await erc721proxy.addAuthorizedAddress.sendTransactionAsync(exchange.address); - logUtils.log(`transactionHash: ${txHash}`); - logUtils.log('Authorizing Exchange on ERC721Proxy'); - await web3Wrapper.awaitTransactionSuccessAsync(txHash); - - // Transfer ownership of AssetProxies and Exchange to AssetProxyOwner - txHash = await erc20proxy.transferOwnership.sendTransactionAsync(assetProxyOwner.address); - logUtils.log(`transactionHash: ${txHash}`); - logUtils.log('Transferring ownership of ERC20Proxy'); - await web3Wrapper.awaitTransactionSuccessAsync(txHash); - - txHash = await erc721proxy.transferOwnership.sendTransactionAsync(assetProxyOwner.address); - logUtils.log(`transactionHash: ${txHash}`); - logUtils.log('Transferring ownership of ERC721Proxy'); - await web3Wrapper.awaitTransactionSuccessAsync(txHash); - - txHash = await exchange.transferOwnership.sendTransactionAsync(assetProxyOwner.address); - logUtils.log(`transactionHash: ${txHash}`); - logUtils.log('Transferring ownership of Exchange'); - await web3Wrapper.awaitTransactionSuccessAsync(txHash); - - // Set enough ZRX Balance to the Forwarder - const maxZRXMintAmount = await zrxToken.MAX_MINT_AMOUNT.callAsync(); - // tslint:disable-next-line:custom-no-magic-numbers - const forwarderZRXBalance = maxZRXMintAmount.times(10); - txHash = await zrxToken.setBalance.sendTransactionAsync(forwarder.address, forwarderZRXBalance); - await web3Wrapper.awaitTransactionSuccessAsync(txHash); - - txHash = await zrxToken.transferOwnership.sendTransactionAsync(assetProxyOwner.address); - logUtils.log(`transactionHash: ${txHash}`); - logUtils.log('Transferring ownership of ZRX token'); - await web3Wrapper.awaitTransactionSuccessAsync(txHash); - - // Dummy Tokens - for (const token of erc20TokenInfo) { - const totalSupply = ERC20_TOTAL_SUPPLY; - const dummyToken = await DummyERC20TokenContract.deployFrom0xArtifactAsync( - artifacts.DummyERC20Token, - provider, - txDefaults, - token.name, - token.symbol, - token.decimals, - totalSupply, - ); - logUtils.log(`DummyERC20 ${token.name}: ${dummyToken.address}`); - txHash = await dummyToken.transferOwnership.sendTransactionAsync(assetProxyOwner.address); - logUtils.log(`transactionHash: ${txHash}`); - logUtils.log(`Transferring ownership of ${token.name} `); - await web3Wrapper.awaitTransactionSuccessAsync(txHash); - } - for (const token of erc721TokenInfo) { - const dummyToken = await DummyERC721TokenContract.deployFrom0xArtifactAsync( - artifacts.DummyERC721Token, - provider, - txDefaults, - token.name, - token.symbol, - ); - logUtils.log(`DummyERC721 ${token.name}: ${dummyToken.address}`); - txHash = await dummyToken.transferOwnership.sendTransactionAsync(assetProxyOwner.address); - logUtils.log(`transactionHash: ${txHash}`); - logUtils.log(`Transferring ownership of ${token.name} `); - await web3Wrapper.awaitTransactionSuccessAsync(txHash); - } -}; diff --git a/packages/migrations/src/2.0.0-mainnet/artifacts.ts b/packages/migrations/src/2.0.0-mainnet/artifacts.ts deleted file mode 100644 index 8091fa9d0..000000000 --- a/packages/migrations/src/2.0.0-mainnet/artifacts.ts +++ /dev/null @@ -1,17 +0,0 @@ -import { ContractArtifact } from 'ethereum-types'; - -import * as AssetProxyOwner from '../../artifacts/2.0.0-mainnet/AssetProxyOwner.json'; -import * as ERC20Proxy from '../../artifacts/2.0.0-mainnet/ERC20Proxy.json'; -import * as ERC721Proxy from '../../artifacts/2.0.0-mainnet/ERC721Proxy.json'; -import * as Exchange from '../../artifacts/2.0.0-mainnet/Exchange.json'; -import * as Forwarder from '../../artifacts/2.0.0-mainnet/Forwarder.json'; -import * as OrderValidator from '../../artifacts/2.0.0-mainnet/OrderValidator.json'; - -export const artifacts = { - AssetProxyOwner: (AssetProxyOwner as any) as ContractArtifact, - ERC20Proxy: (ERC20Proxy as any) as ContractArtifact, - ERC721Proxy: (ERC721Proxy as any) as ContractArtifact, - Exchange: (Exchange as any) as ContractArtifact, - Forwarder: (Forwarder as any) as ContractArtifact, - OrderValidator: (OrderValidator as any) as ContractArtifact, -}; diff --git a/packages/migrations/src/2.0.0-mainnet/constants.ts b/packages/migrations/src/2.0.0-mainnet/constants.ts deleted file mode 100644 index 99649f687..000000000 --- a/packages/migrations/src/2.0.0-mainnet/constants.ts +++ /dev/null @@ -1,13 +0,0 @@ -import { BigNumber } from '@0xproject/utils'; - -export const constants = { - ASSET_PROXY_OWNER_OWNERS: [ - '0x257619b7155d247e43c8b6d90c8c17278ae481f0', - '0x5ee2a00f8f01d099451844af7f894f26a57fcbf2', - '0x894d623e0e0e8ed12c4a73dada999e275684a37d', - ], - ASSET_PROXY_OWNER_REQUIRED_CONFIRMATIONS: new BigNumber(2), - ASSET_PROXY_OWNER_SECONDS_TIMELOCKED: new BigNumber(1209600), - WETH_ADDRESS: '0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2', - ZRX_ADDRESS: '0xe41d2489571d322189246dafa5ebde1f4699f498', -}; diff --git a/packages/migrations/src/2.0.0-mainnet/migration.ts b/packages/migrations/src/2.0.0-mainnet/migration.ts deleted file mode 100644 index 4100a750c..000000000 --- a/packages/migrations/src/2.0.0-mainnet/migration.ts +++ /dev/null @@ -1,122 +0,0 @@ -import { assetDataUtils } from '@0xproject/order-utils'; -import { logUtils } from '@0xproject/utils'; -import { Web3Wrapper } from '@0xproject/web3-wrapper'; -import { Provider, TxData } from 'ethereum-types'; - -import { ArtifactWriter } from '../utils/artifact_writer'; - -import { artifacts } from './artifacts'; -import { constants } from './constants'; -import { AssetProxyOwnerContract } from './contract_wrappers/asset_proxy_owner'; -import { ERC20ProxyContract } from './contract_wrappers/erc20_proxy'; -import { ERC721ProxyContract } from './contract_wrappers/erc721_proxy'; -import { ExchangeContract } from './contract_wrappers/exchange'; -import { ForwarderContract } from './contract_wrappers/forwarder'; -import { OrderValidatorContract } from './contract_wrappers/order_validator'; - -/** - * Custom migrations should be defined in this function. This will be called with the CLI 'migrate:v2-mainnet' command. - * Migrations could be written to run in parallel, but if you want contract addresses to be created deterministically, - * the migration should be written to run synchronously. - * @param provider Web3 provider instance. - * @param artifactsDir The directory with compiler artifact files. - * @param txDefaults Default transaction values to use when deploying contracts. - */ -export const runV2MainnetMigrationsAsync = async ( - provider: Provider, - artifactsDir: string, - txDefaults: Partial, -) => { - const web3Wrapper = new Web3Wrapper(provider); - const networkId = await web3Wrapper.getNetworkIdAsync(); - const artifactsWriter = new ArtifactWriter(artifactsDir, networkId); - - // Deploy AssetProxies - const erc20proxy = await ERC20ProxyContract.deployFrom0xArtifactAsync(artifacts.ERC20Proxy, provider, txDefaults); - artifactsWriter.saveArtifact(erc20proxy); - const erc721proxy = await ERC721ProxyContract.deployFrom0xArtifactAsync( - artifacts.ERC721Proxy, - provider, - txDefaults, - ); - artifactsWriter.saveArtifact(erc721proxy); - - // Deploy Exchange - const exchange = await ExchangeContract.deployFrom0xArtifactAsync(artifacts.Exchange, provider, txDefaults); - artifactsWriter.saveArtifact(exchange); - - let txHash; - // Register AssetProxies in Exchange - txHash = await exchange.registerAssetProxy.sendTransactionAsync(erc20proxy.address); - logUtils.log(`transactionHash: ${txHash}`); - logUtils.log('Registering ERC20Proxy'); - await web3Wrapper.awaitTransactionSuccessAsync(txHash); - - txHash = await exchange.registerAssetProxy.sendTransactionAsync(erc721proxy.address); - logUtils.log(`transactionHash: ${txHash}`); - logUtils.log('Registering ERC721Proxy'); - await web3Wrapper.awaitTransactionSuccessAsync(txHash); - - // Deploy AssetProxyOwner - const assetProxies = [erc20proxy.address, erc721proxy.address]; - const assetProxyOwner = await AssetProxyOwnerContract.deployFrom0xArtifactAsync( - artifacts.AssetProxyOwner, - provider, - txDefaults, - constants.ASSET_PROXY_OWNER_OWNERS, - assetProxies, - constants.ASSET_PROXY_OWNER_REQUIRED_CONFIRMATIONS, - constants.ASSET_PROXY_OWNER_SECONDS_TIMELOCKED, - ); - artifactsWriter.saveArtifact(assetProxyOwner); - - // Deploy Forwarder - const zrxAssetData = assetDataUtils.encodeERC20AssetData(constants.ZRX_ADDRESS); - const wethAssetData = assetDataUtils.encodeERC20AssetData(constants.WETH_ADDRESS); - const forwarder = await ForwarderContract.deployFrom0xArtifactAsync( - artifacts.Forwarder, - provider, - txDefaults, - exchange.address, - zrxAssetData, - wethAssetData, - ); - artifactsWriter.saveArtifact(forwarder); - - // Deploy OrderValidator - const orderValidator = await OrderValidatorContract.deployFrom0xArtifactAsync( - artifacts.OrderValidator, - provider, - txDefaults, - exchange.address, - zrxAssetData, - ); - artifactsWriter.saveArtifact(orderValidator); - - // Authorize Exchange contracts to call AssetProxies - txHash = await erc20proxy.addAuthorizedAddress.sendTransactionAsync(exchange.address); - logUtils.log(`transactionHash: ${txHash}`); - logUtils.log('Authorizing Exchange on ERC20Proxy'); - await web3Wrapper.awaitTransactionSuccessAsync(txHash); - - txHash = await erc721proxy.addAuthorizedAddress.sendTransactionAsync(exchange.address); - logUtils.log(`transactionHash: ${txHash}`); - logUtils.log('Authorizing Exchange on ERC721Proxy'); - await web3Wrapper.awaitTransactionSuccessAsync(txHash); - - // Transfer ownership of AssetProxies and Exchange to AssetProxyOwner - txHash = await erc20proxy.transferOwnership.sendTransactionAsync(assetProxyOwner.address); - logUtils.log(`transactionHash: ${txHash}`); - logUtils.log('Transferring ownership of ERC20Proxy'); - await web3Wrapper.awaitTransactionSuccessAsync(txHash); - - txHash = await erc721proxy.transferOwnership.sendTransactionAsync(assetProxyOwner.address); - logUtils.log(`transactionHash: ${txHash}`); - logUtils.log('Transferring ownership of ERC721Proxy'); - await web3Wrapper.awaitTransactionSuccessAsync(txHash); - - txHash = await exchange.transferOwnership.sendTransactionAsync(assetProxyOwner.address); - logUtils.log(`transactionHash: ${txHash}`); - logUtils.log('Transferring ownership of Exchange'); - await web3Wrapper.awaitTransactionSuccessAsync(txHash); -}; diff --git a/packages/migrations/src/2.0.0-testnet/artifacts.ts b/packages/migrations/src/2.0.0-testnet/artifacts.ts new file mode 100644 index 000000000..f1c6ecd88 --- /dev/null +++ b/packages/migrations/src/2.0.0-testnet/artifacts.ts @@ -0,0 +1,23 @@ +import { ContractArtifact } from 'ethereum-types'; + +import * as AssetProxyOwner from '../../artifacts/2.0.0-testnet/AssetProxyOwner.json'; +import * as DummyERC20Token from '../../artifacts/2.0.0-testnet/DummyERC20Token.json'; +import * as DummyERC721Token from '../../artifacts/2.0.0-testnet/DummyERC721Token.json'; +import * as ERC20Proxy from '../../artifacts/2.0.0-testnet/ERC20Proxy.json'; +import * as ERC721Proxy from '../../artifacts/2.0.0-testnet/ERC721Proxy.json'; +import * as Exchange from '../../artifacts/2.0.0-testnet/Exchange.json'; +import * as Forwarder from '../../artifacts/2.0.0-testnet/Forwarder.json'; +import * as OrderValidator from '../../artifacts/2.0.0-testnet/OrderValidator.json'; +import * as ZRXToken from '../../artifacts/2.0.0-testnet/ZRXToken.json'; + +export const artifacts = { + AssetProxyOwner: (AssetProxyOwner as any) as ContractArtifact, + Exchange: (Exchange as any) as ContractArtifact, + ERC20Proxy: (ERC20Proxy as any) as ContractArtifact, + ERC721Proxy: (ERC721Proxy as any) as ContractArtifact, + DummyERC721Token: (DummyERC721Token as any) as ContractArtifact, + DummyERC20Token: (DummyERC20Token as any) as ContractArtifact, + Forwarder: (Forwarder as any) as ContractArtifact, + OrderValidator: (OrderValidator as any) as ContractArtifact, + ZRX: (ZRXToken as any) as ContractArtifact, +}; diff --git a/packages/migrations/src/2.0.0-testnet/migration.ts b/packages/migrations/src/2.0.0-testnet/migration.ts new file mode 100644 index 000000000..62a16ddae --- /dev/null +++ b/packages/migrations/src/2.0.0-testnet/migration.ts @@ -0,0 +1,190 @@ +import { assetDataUtils } from '@0xproject/order-utils'; +import { BigNumber, logUtils } from '@0xproject/utils'; +import { Web3Wrapper } from '@0xproject/web3-wrapper'; +import { Provider, TxData } from 'ethereum-types'; + +import { ArtifactWriter } from '../utils/artifact_writer'; +import { constants } from '../utils/constants'; +import { erc20TokenInfo, erc721TokenInfo, etherTokenByNetwork } from '../utils/token_info'; + +import { artifacts } from './artifacts'; +import { AssetProxyOwnerContract } from './contract_wrappers/asset_proxy_owner'; +import { DummyERC20TokenContract } from './contract_wrappers/dummy_erc20_token'; +import { DummyERC721TokenContract } from './contract_wrappers/dummy_erc721_token'; +import { ERC20ProxyContract } from './contract_wrappers/erc20_proxy'; +import { ERC721ProxyContract } from './contract_wrappers/erc721_proxy'; +import { ExchangeContract } from './contract_wrappers/exchange'; +import { ForwarderContract } from './contract_wrappers/forwarder'; +import { OrderValidatorContract } from './contract_wrappers/order_validator'; + +// tslint:disable-next-line:custom-no-magic-numbers +const ERC20_TOTAL_SUPPLY = new BigNumber(1000000000000000000000000000); + +/** + * Custom migrations should be defined in this function. This will be called with the CLI 'migrate:v2-beta-testnet' command. + * Migrations could be written to run in parallel, but if you want contract addresses to be created deterministically, + * the migration should be written to run synchronously. + * @param provider Web3 provider instance. + * @param artifactsDir The directory with compiler artifact files. + * @param txDefaults Default transaction values to use when deploying contracts. + */ +export const runV2TestnetMigrationsAsync = async ( + provider: Provider, + artifactsDir: string, + txDefaults: Partial, +) => { + const web3Wrapper = new Web3Wrapper(provider); + const networkId = await web3Wrapper.getNetworkIdAsync(); + const artifactsWriter = new ArtifactWriter(artifactsDir, networkId); + + // Deploy AssetProxies + const erc20proxy = await ERC20ProxyContract.deployFrom0xArtifactAsync(artifacts.ERC20Proxy, provider, txDefaults); + artifactsWriter.saveArtifact(erc20proxy); + const erc721proxy = await ERC721ProxyContract.deployFrom0xArtifactAsync( + artifacts.ERC721Proxy, + provider, + txDefaults, + ); + artifactsWriter.saveArtifact(erc721proxy); + + const zrxDecimals = new BigNumber(18); + const zrxSupply = ERC20_TOTAL_SUPPLY; + const zrxToken = await DummyERC20TokenContract.deployFrom0xArtifactAsync( + artifacts.DummyERC20Token, + provider, + txDefaults, + '0x Protocol Token', + 'ZRX', + zrxDecimals, + zrxSupply, + ); + artifactsWriter.saveArtifact(zrxToken); + + // Deploy Exchange + const zrxAssetData = assetDataUtils.encodeERC20AssetData(zrxToken.address); + const exchange = await ExchangeContract.deployFrom0xArtifactAsync( + artifacts.Exchange, + provider, + txDefaults, + zrxAssetData, + ); + artifactsWriter.saveArtifact(exchange); + + let txHash; + // Register AssetProxies in Exchange + txHash = await exchange.registerAssetProxy.sendTransactionAsync(erc20proxy.address); + logUtils.log(`transactionHash: ${txHash}`); + logUtils.log('Registering ERC20Proxy'); + await web3Wrapper.awaitTransactionSuccessAsync(txHash); + + txHash = await exchange.registerAssetProxy.sendTransactionAsync(erc721proxy.address); + logUtils.log(`transactionHash: ${txHash}`); + logUtils.log('Registering ERC721Proxy'); + await web3Wrapper.awaitTransactionSuccessAsync(txHash); + // Ether token is already deployed on various test nets + const etherTokenAddress = etherTokenByNetwork[networkId].address; + const wethAssetData = assetDataUtils.encodeERC20AssetData(etherTokenAddress); + const forwarder = await ForwarderContract.deployFrom0xArtifactAsync( + artifacts.Forwarder, + provider, + txDefaults, + exchange.address, + zrxAssetData, + wethAssetData, + ); + artifactsWriter.saveArtifact(forwarder); + + // Deploy AssetProxyOwner + const assetProxyOwner = await AssetProxyOwnerContract.deployFrom0xArtifactAsync( + artifacts.AssetProxyOwner, + provider, + txDefaults, + constants.ASSET_PROXY_OWNER_OWNERS, + [erc20proxy.address, erc721proxy.address], + constants.ASSET_PROXY_OWNER_CONFIRMATIONS, + constants.ASSET_PROXY_OWNER_TIMELOCK, + ); + artifactsWriter.saveArtifact(assetProxyOwner); + + // Deploy OrderValidator + const orderValidator = await OrderValidatorContract.deployFrom0xArtifactAsync( + artifacts.OrderValidator, + provider, + txDefaults, + exchange.address, + zrxAssetData, + ); + artifactsWriter.saveArtifact(orderValidator); + + // Authorize Exchange contracts to call AssetProxies + txHash = await erc20proxy.addAuthorizedAddress.sendTransactionAsync(exchange.address); + logUtils.log(`transactionHash: ${txHash}`); + logUtils.log('Authorizing Exchange on ERC20Proxy'); + await web3Wrapper.awaitTransactionSuccessAsync(txHash); + + txHash = await erc721proxy.addAuthorizedAddress.sendTransactionAsync(exchange.address); + logUtils.log(`transactionHash: ${txHash}`); + logUtils.log('Authorizing Exchange on ERC721Proxy'); + await web3Wrapper.awaitTransactionSuccessAsync(txHash); + + // Transfer ownership of AssetProxies and Exchange to AssetProxyOwner + txHash = await erc20proxy.transferOwnership.sendTransactionAsync(assetProxyOwner.address); + logUtils.log(`transactionHash: ${txHash}`); + logUtils.log('Transferring ownership of ERC20Proxy'); + await web3Wrapper.awaitTransactionSuccessAsync(txHash); + + txHash = await erc721proxy.transferOwnership.sendTransactionAsync(assetProxyOwner.address); + logUtils.log(`transactionHash: ${txHash}`); + logUtils.log('Transferring ownership of ERC721Proxy'); + await web3Wrapper.awaitTransactionSuccessAsync(txHash); + + txHash = await exchange.transferOwnership.sendTransactionAsync(assetProxyOwner.address); + logUtils.log(`transactionHash: ${txHash}`); + logUtils.log('Transferring ownership of Exchange'); + await web3Wrapper.awaitTransactionSuccessAsync(txHash); + + // Set enough ZRX Balance to the Forwarder + const maxZRXMintAmount = await zrxToken.MAX_MINT_AMOUNT.callAsync(); + // tslint:disable-next-line:custom-no-magic-numbers + const forwarderZRXBalance = maxZRXMintAmount.times(10); + txHash = await zrxToken.setBalance.sendTransactionAsync(forwarder.address, forwarderZRXBalance); + await web3Wrapper.awaitTransactionSuccessAsync(txHash); + + txHash = await zrxToken.transferOwnership.sendTransactionAsync(assetProxyOwner.address); + logUtils.log(`transactionHash: ${txHash}`); + logUtils.log('Transferring ownership of ZRX token'); + await web3Wrapper.awaitTransactionSuccessAsync(txHash); + + // Dummy Tokens + for (const token of erc20TokenInfo) { + const totalSupply = ERC20_TOTAL_SUPPLY; + const dummyToken = await DummyERC20TokenContract.deployFrom0xArtifactAsync( + artifacts.DummyERC20Token, + provider, + txDefaults, + token.name, + token.symbol, + token.decimals, + totalSupply, + ); + logUtils.log(`DummyERC20 ${token.name}: ${dummyToken.address}`); + txHash = await dummyToken.transferOwnership.sendTransactionAsync(assetProxyOwner.address); + logUtils.log(`transactionHash: ${txHash}`); + logUtils.log(`Transferring ownership of ${token.name} `); + await web3Wrapper.awaitTransactionSuccessAsync(txHash); + } + for (const token of erc721TokenInfo) { + const dummyToken = await DummyERC721TokenContract.deployFrom0xArtifactAsync( + artifacts.DummyERC721Token, + provider, + txDefaults, + token.name, + token.symbol, + ); + logUtils.log(`DummyERC721 ${token.name}: ${dummyToken.address}`); + txHash = await dummyToken.transferOwnership.sendTransactionAsync(assetProxyOwner.address); + logUtils.log(`transactionHash: ${txHash}`); + logUtils.log(`Transferring ownership of ${token.name} `); + await web3Wrapper.awaitTransactionSuccessAsync(txHash); + } +}; diff --git a/packages/migrations/src/2.0.0/artifacts.ts b/packages/migrations/src/2.0.0/artifacts.ts index e96c555d6..65736c001 100644 --- a/packages/migrations/src/2.0.0/artifacts.ts +++ b/packages/migrations/src/2.0.0/artifacts.ts @@ -1,25 +1,17 @@ import { ContractArtifact } from 'ethereum-types'; import * as AssetProxyOwner from '../../artifacts/2.0.0/AssetProxyOwner.json'; -import * as DummyERC20Token from '../../artifacts/2.0.0/DummyERC20Token.json'; -import * as DummyERC721Token from '../../artifacts/2.0.0/DummyERC721Token.json'; import * as ERC20Proxy from '../../artifacts/2.0.0/ERC20Proxy.json'; import * as ERC721Proxy from '../../artifacts/2.0.0/ERC721Proxy.json'; import * as Exchange from '../../artifacts/2.0.0/Exchange.json'; import * as Forwarder from '../../artifacts/2.0.0/Forwarder.json'; import * as OrderValidator from '../../artifacts/2.0.0/OrderValidator.json'; -import * as WETH9 from '../../artifacts/2.0.0/WETH9.json'; -import * as ZRX from '../../artifacts/2.0.0/ZRXToken.json'; export const artifacts = { - ZRX: (ZRX as any) as ContractArtifact, - DummyERC20Token: (DummyERC20Token as any) as ContractArtifact, - DummyERC721Token: (DummyERC721Token as any) as ContractArtifact, AssetProxyOwner: (AssetProxyOwner as any) as ContractArtifact, - Exchange: (Exchange as any) as ContractArtifact, - WETH9: (WETH9 as any) as ContractArtifact, ERC20Proxy: (ERC20Proxy as any) as ContractArtifact, ERC721Proxy: (ERC721Proxy as any) as ContractArtifact, + Exchange: (Exchange as any) as ContractArtifact, Forwarder: (Forwarder as any) as ContractArtifact, OrderValidator: (OrderValidator as any) as ContractArtifact, }; diff --git a/packages/migrations/src/2.0.0/constants.ts b/packages/migrations/src/2.0.0/constants.ts new file mode 100644 index 000000000..99649f687 --- /dev/null +++ b/packages/migrations/src/2.0.0/constants.ts @@ -0,0 +1,13 @@ +import { BigNumber } from '@0xproject/utils'; + +export const constants = { + ASSET_PROXY_OWNER_OWNERS: [ + '0x257619b7155d247e43c8b6d90c8c17278ae481f0', + '0x5ee2a00f8f01d099451844af7f894f26a57fcbf2', + '0x894d623e0e0e8ed12c4a73dada999e275684a37d', + ], + ASSET_PROXY_OWNER_REQUIRED_CONFIRMATIONS: new BigNumber(2), + ASSET_PROXY_OWNER_SECONDS_TIMELOCKED: new BigNumber(1209600), + WETH_ADDRESS: '0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2', + ZRX_ADDRESS: '0xe41d2489571d322189246dafa5ebde1f4699f498', +}; diff --git a/packages/migrations/src/2.0.0/migration.ts b/packages/migrations/src/2.0.0/migration.ts index e1dcea8b0..4100a750c 100644 --- a/packages/migrations/src/2.0.0/migration.ts +++ b/packages/migrations/src/2.0.0/migration.ts @@ -1,37 +1,37 @@ import { assetDataUtils } from '@0xproject/order-utils'; -import { BigNumber } from '@0xproject/utils'; +import { logUtils } from '@0xproject/utils'; import { Web3Wrapper } from '@0xproject/web3-wrapper'; import { Provider, TxData } from 'ethereum-types'; import { ArtifactWriter } from '../utils/artifact_writer'; -import { erc20TokenInfo, erc721TokenInfo } from '../utils/token_info'; import { artifacts } from './artifacts'; +import { constants } from './constants'; import { AssetProxyOwnerContract } from './contract_wrappers/asset_proxy_owner'; -import { DummyERC20TokenContract } from './contract_wrappers/dummy_erc20_token'; -import { DummyERC721TokenContract } from './contract_wrappers/dummy_erc721_token'; import { ERC20ProxyContract } from './contract_wrappers/erc20_proxy'; import { ERC721ProxyContract } from './contract_wrappers/erc721_proxy'; import { ExchangeContract } from './contract_wrappers/exchange'; import { ForwarderContract } from './contract_wrappers/forwarder'; import { OrderValidatorContract } from './contract_wrappers/order_validator'; -import { WETH9Contract } from './contract_wrappers/weth9'; -import { ZRXTokenContract } from './contract_wrappers/zrx_token'; /** - * Custom migrations should be defined in this function. This will be called with the CLI 'migrate:v2' command. + * Custom migrations should be defined in this function. This will be called with the CLI 'migrate:v2-mainnet' command. * Migrations could be written to run in parallel, but if you want contract addresses to be created deterministically, * the migration should be written to run synchronously. * @param provider Web3 provider instance. * @param artifactsDir The directory with compiler artifact files. * @param txDefaults Default transaction values to use when deploying contracts. */ -export const runV2MigrationsAsync = async (provider: Provider, artifactsDir: string, txDefaults: Partial) => { +export const runV2MainnetMigrationsAsync = async ( + provider: Provider, + artifactsDir: string, + txDefaults: Partial, +) => { const web3Wrapper = new Web3Wrapper(provider); const networkId = await web3Wrapper.getNetworkIdAsync(); const artifactsWriter = new ArtifactWriter(artifactsDir, networkId); - // Proxies + // Deploy AssetProxies const erc20proxy = await ERC20ProxyContract.deployFrom0xArtifactAsync(artifacts.ERC20Proxy, provider, txDefaults); artifactsWriter.saveArtifact(erc20proxy); const erc721proxy = await ERC721ProxyContract.deployFrom0xArtifactAsync( @@ -41,109 +41,49 @@ export const runV2MigrationsAsync = async (provider: Provider, artifactsDir: str ); artifactsWriter.saveArtifact(erc721proxy); - // ZRX - const zrxToken = await ZRXTokenContract.deployFrom0xArtifactAsync(artifacts.ZRX, provider, txDefaults); - artifactsWriter.saveArtifact(zrxToken); - - // Ether token - const etherToken = await WETH9Contract.deployFrom0xArtifactAsync(artifacts.WETH9, provider, txDefaults); - artifactsWriter.saveArtifact(etherToken); - - // Exchange - const zrxAssetData = assetDataUtils.encodeERC20AssetData(zrxToken.address); - const exchange = await ExchangeContract.deployFrom0xArtifactAsync( - artifacts.Exchange, - provider, - txDefaults, - zrxAssetData, - ); + // Deploy Exchange + const exchange = await ExchangeContract.deployFrom0xArtifactAsync(artifacts.Exchange, provider, txDefaults); artifactsWriter.saveArtifact(exchange); - // Multisigs - const accounts: string[] = await web3Wrapper.getAvailableAddressesAsync(); - const owners = [accounts[0], accounts[1]]; - const confirmationsRequired = new BigNumber(2); - const secondsRequired = new BigNumber(0); - const owner = accounts[0]; + let txHash; + // Register AssetProxies in Exchange + txHash = await exchange.registerAssetProxy.sendTransactionAsync(erc20proxy.address); + logUtils.log(`transactionHash: ${txHash}`); + logUtils.log('Registering ERC20Proxy'); + await web3Wrapper.awaitTransactionSuccessAsync(txHash); + + txHash = await exchange.registerAssetProxy.sendTransactionAsync(erc721proxy.address); + logUtils.log(`transactionHash: ${txHash}`); + logUtils.log('Registering ERC721Proxy'); + await web3Wrapper.awaitTransactionSuccessAsync(txHash); - // AssetProxyOwner + // Deploy AssetProxyOwner + const assetProxies = [erc20proxy.address, erc721proxy.address]; const assetProxyOwner = await AssetProxyOwnerContract.deployFrom0xArtifactAsync( artifacts.AssetProxyOwner, provider, txDefaults, - owners, - [erc20proxy.address, erc721proxy.address], - confirmationsRequired, - secondsRequired, + constants.ASSET_PROXY_OWNER_OWNERS, + assetProxies, + constants.ASSET_PROXY_OWNER_REQUIRED_CONFIRMATIONS, + constants.ASSET_PROXY_OWNER_SECONDS_TIMELOCKED, ); artifactsWriter.saveArtifact(assetProxyOwner); - await web3Wrapper.awaitTransactionSuccessAsync( - await erc20proxy.addAuthorizedAddress.sendTransactionAsync(exchange.address, { - from: owner, - }), - ); - await web3Wrapper.awaitTransactionSuccessAsync( - await erc20proxy.transferOwnership.sendTransactionAsync(assetProxyOwner.address, { - from: owner, - }), - ); - await web3Wrapper.awaitTransactionSuccessAsync( - await erc721proxy.addAuthorizedAddress.sendTransactionAsync(exchange.address, { - from: owner, - }), - ); - await web3Wrapper.awaitTransactionSuccessAsync( - await erc721proxy.transferOwnership.sendTransactionAsync(assetProxyOwner.address, { - from: owner, - }), - ); - - // Register the Asset Proxies to the Exchange - await web3Wrapper.awaitTransactionSuccessAsync( - await exchange.registerAssetProxy.sendTransactionAsync(erc20proxy.address), - ); - await web3Wrapper.awaitTransactionSuccessAsync( - await exchange.registerAssetProxy.sendTransactionAsync(erc721proxy.address), - ); - - // Dummy ERC20 tokens - for (const token of erc20TokenInfo) { - const totalSupply = new BigNumber(1000000000000000000000000000); - // tslint:disable-next-line:no-unused-variable - const dummyErc20Token = await DummyERC20TokenContract.deployFrom0xArtifactAsync( - artifacts.DummyERC20Token, - provider, - txDefaults, - token.name, - token.symbol, - token.decimals, - totalSupply, - ); - } - - // ERC721 - // tslint:disable-next-line:no-unused-variable - const cryptoKittieToken = await DummyERC721TokenContract.deployFrom0xArtifactAsync( - artifacts.DummyERC721Token, - provider, - txDefaults, - erc721TokenInfo[0].name, - erc721TokenInfo[0].symbol, - ); - - // Forwarder + // Deploy Forwarder + const zrxAssetData = assetDataUtils.encodeERC20AssetData(constants.ZRX_ADDRESS); + const wethAssetData = assetDataUtils.encodeERC20AssetData(constants.WETH_ADDRESS); const forwarder = await ForwarderContract.deployFrom0xArtifactAsync( artifacts.Forwarder, provider, txDefaults, exchange.address, - assetDataUtils.encodeERC20AssetData(zrxToken.address), - assetDataUtils.encodeERC20AssetData(etherToken.address), + zrxAssetData, + wethAssetData, ); artifactsWriter.saveArtifact(forwarder); - // OrderValidator + // Deploy OrderValidator const orderValidator = await OrderValidatorContract.deployFrom0xArtifactAsync( artifacts.OrderValidator, provider, @@ -152,4 +92,31 @@ export const runV2MigrationsAsync = async (provider: Provider, artifactsDir: str zrxAssetData, ); artifactsWriter.saveArtifact(orderValidator); + + // Authorize Exchange contracts to call AssetProxies + txHash = await erc20proxy.addAuthorizedAddress.sendTransactionAsync(exchange.address); + logUtils.log(`transactionHash: ${txHash}`); + logUtils.log('Authorizing Exchange on ERC20Proxy'); + await web3Wrapper.awaitTransactionSuccessAsync(txHash); + + txHash = await erc721proxy.addAuthorizedAddress.sendTransactionAsync(exchange.address); + logUtils.log(`transactionHash: ${txHash}`); + logUtils.log('Authorizing Exchange on ERC721Proxy'); + await web3Wrapper.awaitTransactionSuccessAsync(txHash); + + // Transfer ownership of AssetProxies and Exchange to AssetProxyOwner + txHash = await erc20proxy.transferOwnership.sendTransactionAsync(assetProxyOwner.address); + logUtils.log(`transactionHash: ${txHash}`); + logUtils.log('Transferring ownership of ERC20Proxy'); + await web3Wrapper.awaitTransactionSuccessAsync(txHash); + + txHash = await erc721proxy.transferOwnership.sendTransactionAsync(assetProxyOwner.address); + logUtils.log(`transactionHash: ${txHash}`); + logUtils.log('Transferring ownership of ERC721Proxy'); + await web3Wrapper.awaitTransactionSuccessAsync(txHash); + + txHash = await exchange.transferOwnership.sendTransactionAsync(assetProxyOwner.address); + logUtils.log(`transactionHash: ${txHash}`); + logUtils.log('Transferring ownership of Exchange'); + await web3Wrapper.awaitTransactionSuccessAsync(txHash); }; diff --git a/packages/order-utils/package.json b/packages/order-utils/package.json index 7d2caa0e8..368a5edb1 100644 --- a/packages/order-utils/package.json +++ b/packages/order-utils/package.json @@ -9,9 +9,9 @@ "types": "lib/src/index.d.ts", "scripts": { "build": "yarn pre_build && tsc -b", - "pre_build": "run-s update_artifacts_v2_beta generate_contract_wrappers", + "pre_build": "run-s update_artifacts generate_contract_wrappers", "generate_contract_wrappers": "abi-gen --abis 'lib/src/artifacts/@(Exchange|IWallet|IValidator|DummyERC20Token|ERC20Proxy|ERC20Token).json' --template ../contract_templates/contract.handlebars --partials '../contract_templates/partials/**/*.handlebars' --output src/generated_contract_wrappers --backend ethers", - "update_artifacts_v2_beta": "for i in ${npm_package_config_contracts_v2_beta}; do copyfiles -u 4 ../migrations/artifacts/2.0.0-beta-testnet/$i.json lib/src/artifacts; done;", + "update_artifacts": "for i in ${npm_package_config_contracts_v2_beta}; do copyfiles -u 4 ../migrations/artifacts/2.0.0/$i.json lib/src/artifacts; done;", "test": "yarn run_mocha", "rebuild_and_test": "run-s build test", "test:circleci": "yarn test:coverage", diff --git a/packages/order-watcher/package.json b/packages/order-watcher/package.json index 27eeca6fd..95fec2464 100644 --- a/packages/order-watcher/package.json +++ b/packages/order-watcher/package.json @@ -22,7 +22,7 @@ "test:coverage": "nyc npm run test --all && yarn coverage:report:lcov", "coverage:report:lcov": "nyc report --reporter=text-lcov > coverage/lcov.info", "copy_artifacts": "copyfiles -u 2 './src/artifacts/**/*.json' ./lib/src/artifacts", - "update_artifacts": "for i in ${npm_package_config_contracts_v2_beta}; do copyfiles -u 4 ../migrations/artifacts/2.0.0-beta-testnet/$i.json src/artifacts; done;", + "update_artifacts": "for i in ${npm_package_config_contracts_v2_beta}; do copyfiles -u 4 ../migrations/artifacts/2.0.0/$i.json src/artifacts; done;", "clean": "shx rm -rf _bundles lib test_temp test/artifacts src/generated_contract_wrappers generated_docs", "run_mocha": "mocha --require source-map-support/register --require make-promises-safe lib/test/**/*_test.js lib/test/global_hooks.js --timeout 10000 --bail --exit", "docs:json": "typedoc --excludePrivate --excludeExternals --target ES5 --tsconfig typedoc-tsconfig.json --json $JSON_FILE_PATH $PROJECT_FILES" -- cgit v1.2.3 From e70882a657acecb7437ce9dd28218d719f8beb3d Mon Sep 17 00:00:00 2001 From: Alex Browne Date: Tue, 4 Sep 2018 17:22:22 -0400 Subject: More small chnages/bug fixes --- packages/contract-wrappers/package.json | 3 +- packages/contracts/package.json | 4 +- packages/migrations/package.json | 14 +- packages/migrations/src/2.0.0-testnet/artifacts.ts | 23 --- packages/migrations/src/2.0.0-testnet/migration.ts | 190 --------------------- packages/migrations/src/2.0.0/migration.ts | 6 +- packages/migrations/src/index.ts | 1 - packages/migrations/src/migrate.ts | 30 ---- packages/order-utils/package.json | 4 +- 9 files changed, 10 insertions(+), 265 deletions(-) delete mode 100644 packages/migrations/src/2.0.0-testnet/artifacts.ts delete mode 100644 packages/migrations/src/2.0.0-testnet/migration.ts (limited to 'packages') diff --git a/packages/contract-wrappers/package.json b/packages/contract-wrappers/package.json index b36ae946f..561de60ac 100644 --- a/packages/contract-wrappers/package.json +++ b/packages/contract-wrappers/package.json @@ -27,8 +27,7 @@ "docs:json": "typedoc --excludePrivate --excludeExternals --target ES5 --tsconfig typedoc-tsconfig.json --json $JSON_FILE_PATH $PROJECT_FILES" }, "config": { - "contracts_v2_beta": "AssetProxyOwner Exchange ERC20Proxy ERC20Token ERC721Proxy ERC721Token WETH9 ZRXToken Forwarder OrderValidator", - "contracts_v2": "DummyERC20Token DummyERC721Token", + "contracts_v2": "AssetProxyOwner Exchange ERC20Proxy ERC20Token ERC721Proxy ERC721Token WETH9 ZRXToken Forwarder OrderValidator DummyERC20Token DummyERC721Token", "postpublish": { "assets": [] } diff --git a/packages/contracts/package.json b/packages/contracts/package.json index 283991cee..1a26dbd95 100644 --- a/packages/contracts/package.json +++ b/packages/contracts/package.json @@ -13,7 +13,7 @@ "scripts": { "build": "yarn pre_build && tsc -b", "pre_build": "run-s compile copy_artifacts generate_contract_wrappers", - "copy_artifacts": "copyfiles -u 4 '../migrations/artifacts/2.0.0/**/*' ./lib/artifacts;", + "copy_artifacts": "copyfiles -u 4 '../migrations/artifacts/development/**/*' ./lib/artifacts;", "test": "yarn run_mocha", "rebuild_and_test": "run-s build test", "test:coverage": "SOLIDITY_COVERAGE=true run-s build run_mocha coverage:report:text coverage:report:lcov", @@ -36,7 +36,7 @@ }, "config": { "abis": - "../migrations/artifacts/2.0.0/@(AssetProxyOwner|DummyERC20Token|DummyERC721Receiver|DummyERC721Token|DummyMultipleReturnERC20Token|DummyNoReturnERC20Token|ERC20Proxy|ERC721Proxy|Forwarder|Exchange|ExchangeWrapper|IAssetData|IAssetProxy|InvalidERC721Receiver|MixinAuthorizable|MultiSigWallet|MultiSigWalletWithTimeLock|OrderValidator|ReentrantERC20Token|TestAssetProxyOwner|TestAssetProxyDispatcher|TestConstants|TestExchangeInternals|TestLibBytes|TestLibs|TestSignatureValidator|TestStaticCallReceiver|Validator|Wallet|TokenRegistry|Whitelist|WETH9|ZRXToken).json" + "../migrations/artifacts/development/@(AssetProxyOwner|DummyERC20Token|DummyERC721Receiver|DummyERC721Token|DummyMultipleReturnERC20Token|DummyNoReturnERC20Token|ERC20Proxy|ERC721Proxy|Forwarder|Exchange|ExchangeWrapper|IAssetData|IAssetProxy|InvalidERC721Receiver|MixinAuthorizable|MultiSigWallet|MultiSigWalletWithTimeLock|OrderValidator|ReentrantERC20Token|TestAssetProxyOwner|TestAssetProxyDispatcher|TestConstants|TestExchangeInternals|TestLibBytes|TestLibs|TestSignatureValidator|TestStaticCallReceiver|Validator|Wallet|TokenRegistry|Whitelist|WETH9|ZRXToken).json" }, "repository": { "type": "git", diff --git a/packages/migrations/package.json b/packages/migrations/package.json index 22a71e3bc..776cc2e00 100644 --- a/packages/migrations/package.json +++ b/packages/migrations/package.json @@ -9,24 +9,18 @@ "types": "lib/index.d.ts", "scripts": { "build": "yarn pre_build && tsc -b", - "pre_build": "run-s compile:v2 copy_artifacts generate_contract_wrappers", + "pre_build": "run-s copy_artifacts generate_contract_wrappers", "copy_artifacts": "copyfiles 'artifacts/**/*' ./lib", - "clean": "shx rm -rf lib src/1.0.0/contract_wrappers src/2.0.0-testnet/contract_wrappers src/2.0.0/contract_wrappers src/development/contract_wrappers artifacts/development", + "clean": "shx rm -rf lib src/1.0.0/contract_wrappers src/2.0.0-testnet/contract_wrappers src/2.0.0/contract_wrappers artifacts/development", "lint": "tslint --project . --exclude **/src/v2/contract_wrappers/**/* --exclude **/src/v1/contract_wrappers/**/*", "migrate:v1": "run-s build compile:v1 script:migrate:v1", - "migrate:v2": "run-s build compile:v2 script:migrate:v2", - "migrate:v2-beta-testnet": "run-s build compile:v2-beta-testnet script:migrate:v2-beta-testnet", - "migrate:v2-mainnet": "run-s compile:v2-mainnet copy_artifacts generate_contract_wrappers:v2-mainnet && tsc && yarn script:migrate:v2-mainnet", + "migrate:v2": "run-s build script:migrate:v2", "script:migrate:v1": "node ./lib/migrate.js --contracts-version 1.0.0", "script:migrate:v2": "node ./lib/migrate.js --contracts-version 2.0.0", - "script:migrate:v2-beta-testnet": "node ./lib/migrate.js --contracts-version 2.0.0-beta-testnet", - "script:migrate:v2-mainnet": "node ./lib/migrate.js --contracts-version 2.0.0-mainnet", "generate_contract_wrappers": "run-p generate_contract_wrappers:*", "generate_contract_wrappers:v1": "abi-gen --abis ${npm_package_config_abis_v1} --template ../contract_templates/contract.handlebars --partials '../contract_templates/partials/**/*.handlebars' --output src/1.0.0/contract_wrappers --backend ethers", "generate_contract_wrappers:v2": "abi-gen --abis ${npm_package_config_abis_v2} --template ../contract_templates/contract.handlebars --partials '../contract_templates/partials/**/*.handlebars' --output src/2.0.0/contract_wrappers --backend ethers", - "generate_contract_wrappers:v2-beta-testnet": "abi-gen --abis ${npm_package_config_abis_v2BetaTestnet} --template ../contract_templates/contract.handlebars --partials '../contract_templates/partials/**/*.handlebars' --output src/2.0.0-beta-testnet/contract_wrappers --backend ethers", - "generate_contract_wrappers:v2-mainnet": "abi-gen --abis ${npm_package_config_abis_v2Mainnet} --template ../contract_templates/contract.handlebars --partials '../contract_templates/partials/**/*.handlebars' --output src/2.0.0-mainnet/contract_wrappers --backend ethers", - "compile:v1": "sol-compiler --artifacts-dir artifacts/1.0.0 --contracts Exchange_v1,DummyERC20Token,ZRXToken,WETH9,TokenTransferProxy_v1,MultiSigWallet,MultiSigWalletWithTimeLock,MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress,TokenRegistry", + "compile:v1": "sol-compiler --artifacts-dir artifacts/1.0.0 --contracts Exchange_v1,DummyERC20Token,ZRXToken,WETH9,TokenTransferProxy_v1,MultiSigWallet,MultiSigWalletWithTimeLock,MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress,TokenRegistry" }, "config": { "abis": { diff --git a/packages/migrations/src/2.0.0-testnet/artifacts.ts b/packages/migrations/src/2.0.0-testnet/artifacts.ts deleted file mode 100644 index f1c6ecd88..000000000 --- a/packages/migrations/src/2.0.0-testnet/artifacts.ts +++ /dev/null @@ -1,23 +0,0 @@ -import { ContractArtifact } from 'ethereum-types'; - -import * as AssetProxyOwner from '../../artifacts/2.0.0-testnet/AssetProxyOwner.json'; -import * as DummyERC20Token from '../../artifacts/2.0.0-testnet/DummyERC20Token.json'; -import * as DummyERC721Token from '../../artifacts/2.0.0-testnet/DummyERC721Token.json'; -import * as ERC20Proxy from '../../artifacts/2.0.0-testnet/ERC20Proxy.json'; -import * as ERC721Proxy from '../../artifacts/2.0.0-testnet/ERC721Proxy.json'; -import * as Exchange from '../../artifacts/2.0.0-testnet/Exchange.json'; -import * as Forwarder from '../../artifacts/2.0.0-testnet/Forwarder.json'; -import * as OrderValidator from '../../artifacts/2.0.0-testnet/OrderValidator.json'; -import * as ZRXToken from '../../artifacts/2.0.0-testnet/ZRXToken.json'; - -export const artifacts = { - AssetProxyOwner: (AssetProxyOwner as any) as ContractArtifact, - Exchange: (Exchange as any) as ContractArtifact, - ERC20Proxy: (ERC20Proxy as any) as ContractArtifact, - ERC721Proxy: (ERC721Proxy as any) as ContractArtifact, - DummyERC721Token: (DummyERC721Token as any) as ContractArtifact, - DummyERC20Token: (DummyERC20Token as any) as ContractArtifact, - Forwarder: (Forwarder as any) as ContractArtifact, - OrderValidator: (OrderValidator as any) as ContractArtifact, - ZRX: (ZRXToken as any) as ContractArtifact, -}; diff --git a/packages/migrations/src/2.0.0-testnet/migration.ts b/packages/migrations/src/2.0.0-testnet/migration.ts deleted file mode 100644 index 62a16ddae..000000000 --- a/packages/migrations/src/2.0.0-testnet/migration.ts +++ /dev/null @@ -1,190 +0,0 @@ -import { assetDataUtils } from '@0xproject/order-utils'; -import { BigNumber, logUtils } from '@0xproject/utils'; -import { Web3Wrapper } from '@0xproject/web3-wrapper'; -import { Provider, TxData } from 'ethereum-types'; - -import { ArtifactWriter } from '../utils/artifact_writer'; -import { constants } from '../utils/constants'; -import { erc20TokenInfo, erc721TokenInfo, etherTokenByNetwork } from '../utils/token_info'; - -import { artifacts } from './artifacts'; -import { AssetProxyOwnerContract } from './contract_wrappers/asset_proxy_owner'; -import { DummyERC20TokenContract } from './contract_wrappers/dummy_erc20_token'; -import { DummyERC721TokenContract } from './contract_wrappers/dummy_erc721_token'; -import { ERC20ProxyContract } from './contract_wrappers/erc20_proxy'; -import { ERC721ProxyContract } from './contract_wrappers/erc721_proxy'; -import { ExchangeContract } from './contract_wrappers/exchange'; -import { ForwarderContract } from './contract_wrappers/forwarder'; -import { OrderValidatorContract } from './contract_wrappers/order_validator'; - -// tslint:disable-next-line:custom-no-magic-numbers -const ERC20_TOTAL_SUPPLY = new BigNumber(1000000000000000000000000000); - -/** - * Custom migrations should be defined in this function. This will be called with the CLI 'migrate:v2-beta-testnet' command. - * Migrations could be written to run in parallel, but if you want contract addresses to be created deterministically, - * the migration should be written to run synchronously. - * @param provider Web3 provider instance. - * @param artifactsDir The directory with compiler artifact files. - * @param txDefaults Default transaction values to use when deploying contracts. - */ -export const runV2TestnetMigrationsAsync = async ( - provider: Provider, - artifactsDir: string, - txDefaults: Partial, -) => { - const web3Wrapper = new Web3Wrapper(provider); - const networkId = await web3Wrapper.getNetworkIdAsync(); - const artifactsWriter = new ArtifactWriter(artifactsDir, networkId); - - // Deploy AssetProxies - const erc20proxy = await ERC20ProxyContract.deployFrom0xArtifactAsync(artifacts.ERC20Proxy, provider, txDefaults); - artifactsWriter.saveArtifact(erc20proxy); - const erc721proxy = await ERC721ProxyContract.deployFrom0xArtifactAsync( - artifacts.ERC721Proxy, - provider, - txDefaults, - ); - artifactsWriter.saveArtifact(erc721proxy); - - const zrxDecimals = new BigNumber(18); - const zrxSupply = ERC20_TOTAL_SUPPLY; - const zrxToken = await DummyERC20TokenContract.deployFrom0xArtifactAsync( - artifacts.DummyERC20Token, - provider, - txDefaults, - '0x Protocol Token', - 'ZRX', - zrxDecimals, - zrxSupply, - ); - artifactsWriter.saveArtifact(zrxToken); - - // Deploy Exchange - const zrxAssetData = assetDataUtils.encodeERC20AssetData(zrxToken.address); - const exchange = await ExchangeContract.deployFrom0xArtifactAsync( - artifacts.Exchange, - provider, - txDefaults, - zrxAssetData, - ); - artifactsWriter.saveArtifact(exchange); - - let txHash; - // Register AssetProxies in Exchange - txHash = await exchange.registerAssetProxy.sendTransactionAsync(erc20proxy.address); - logUtils.log(`transactionHash: ${txHash}`); - logUtils.log('Registering ERC20Proxy'); - await web3Wrapper.awaitTransactionSuccessAsync(txHash); - - txHash = await exchange.registerAssetProxy.sendTransactionAsync(erc721proxy.address); - logUtils.log(`transactionHash: ${txHash}`); - logUtils.log('Registering ERC721Proxy'); - await web3Wrapper.awaitTransactionSuccessAsync(txHash); - // Ether token is already deployed on various test nets - const etherTokenAddress = etherTokenByNetwork[networkId].address; - const wethAssetData = assetDataUtils.encodeERC20AssetData(etherTokenAddress); - const forwarder = await ForwarderContract.deployFrom0xArtifactAsync( - artifacts.Forwarder, - provider, - txDefaults, - exchange.address, - zrxAssetData, - wethAssetData, - ); - artifactsWriter.saveArtifact(forwarder); - - // Deploy AssetProxyOwner - const assetProxyOwner = await AssetProxyOwnerContract.deployFrom0xArtifactAsync( - artifacts.AssetProxyOwner, - provider, - txDefaults, - constants.ASSET_PROXY_OWNER_OWNERS, - [erc20proxy.address, erc721proxy.address], - constants.ASSET_PROXY_OWNER_CONFIRMATIONS, - constants.ASSET_PROXY_OWNER_TIMELOCK, - ); - artifactsWriter.saveArtifact(assetProxyOwner); - - // Deploy OrderValidator - const orderValidator = await OrderValidatorContract.deployFrom0xArtifactAsync( - artifacts.OrderValidator, - provider, - txDefaults, - exchange.address, - zrxAssetData, - ); - artifactsWriter.saveArtifact(orderValidator); - - // Authorize Exchange contracts to call AssetProxies - txHash = await erc20proxy.addAuthorizedAddress.sendTransactionAsync(exchange.address); - logUtils.log(`transactionHash: ${txHash}`); - logUtils.log('Authorizing Exchange on ERC20Proxy'); - await web3Wrapper.awaitTransactionSuccessAsync(txHash); - - txHash = await erc721proxy.addAuthorizedAddress.sendTransactionAsync(exchange.address); - logUtils.log(`transactionHash: ${txHash}`); - logUtils.log('Authorizing Exchange on ERC721Proxy'); - await web3Wrapper.awaitTransactionSuccessAsync(txHash); - - // Transfer ownership of AssetProxies and Exchange to AssetProxyOwner - txHash = await erc20proxy.transferOwnership.sendTransactionAsync(assetProxyOwner.address); - logUtils.log(`transactionHash: ${txHash}`); - logUtils.log('Transferring ownership of ERC20Proxy'); - await web3Wrapper.awaitTransactionSuccessAsync(txHash); - - txHash = await erc721proxy.transferOwnership.sendTransactionAsync(assetProxyOwner.address); - logUtils.log(`transactionHash: ${txHash}`); - logUtils.log('Transferring ownership of ERC721Proxy'); - await web3Wrapper.awaitTransactionSuccessAsync(txHash); - - txHash = await exchange.transferOwnership.sendTransactionAsync(assetProxyOwner.address); - logUtils.log(`transactionHash: ${txHash}`); - logUtils.log('Transferring ownership of Exchange'); - await web3Wrapper.awaitTransactionSuccessAsync(txHash); - - // Set enough ZRX Balance to the Forwarder - const maxZRXMintAmount = await zrxToken.MAX_MINT_AMOUNT.callAsync(); - // tslint:disable-next-line:custom-no-magic-numbers - const forwarderZRXBalance = maxZRXMintAmount.times(10); - txHash = await zrxToken.setBalance.sendTransactionAsync(forwarder.address, forwarderZRXBalance); - await web3Wrapper.awaitTransactionSuccessAsync(txHash); - - txHash = await zrxToken.transferOwnership.sendTransactionAsync(assetProxyOwner.address); - logUtils.log(`transactionHash: ${txHash}`); - logUtils.log('Transferring ownership of ZRX token'); - await web3Wrapper.awaitTransactionSuccessAsync(txHash); - - // Dummy Tokens - for (const token of erc20TokenInfo) { - const totalSupply = ERC20_TOTAL_SUPPLY; - const dummyToken = await DummyERC20TokenContract.deployFrom0xArtifactAsync( - artifacts.DummyERC20Token, - provider, - txDefaults, - token.name, - token.symbol, - token.decimals, - totalSupply, - ); - logUtils.log(`DummyERC20 ${token.name}: ${dummyToken.address}`); - txHash = await dummyToken.transferOwnership.sendTransactionAsync(assetProxyOwner.address); - logUtils.log(`transactionHash: ${txHash}`); - logUtils.log(`Transferring ownership of ${token.name} `); - await web3Wrapper.awaitTransactionSuccessAsync(txHash); - } - for (const token of erc721TokenInfo) { - const dummyToken = await DummyERC721TokenContract.deployFrom0xArtifactAsync( - artifacts.DummyERC721Token, - provider, - txDefaults, - token.name, - token.symbol, - ); - logUtils.log(`DummyERC721 ${token.name}: ${dummyToken.address}`); - txHash = await dummyToken.transferOwnership.sendTransactionAsync(assetProxyOwner.address); - logUtils.log(`transactionHash: ${txHash}`); - logUtils.log(`Transferring ownership of ${token.name} `); - await web3Wrapper.awaitTransactionSuccessAsync(txHash); - } -}; diff --git a/packages/migrations/src/2.0.0/migration.ts b/packages/migrations/src/2.0.0/migration.ts index 4100a750c..0f20813f1 100644 --- a/packages/migrations/src/2.0.0/migration.ts +++ b/packages/migrations/src/2.0.0/migration.ts @@ -22,11 +22,7 @@ import { OrderValidatorContract } from './contract_wrappers/order_validator'; * @param artifactsDir The directory with compiler artifact files. * @param txDefaults Default transaction values to use when deploying contracts. */ -export const runV2MainnetMigrationsAsync = async ( - provider: Provider, - artifactsDir: string, - txDefaults: Partial, -) => { +export const runV2MigrationsAsync = async (provider: Provider, artifactsDir: string, txDefaults: Partial) => { const web3Wrapper = new Web3Wrapper(provider); const networkId = await web3Wrapper.getNetworkIdAsync(); const artifactsWriter = new ArtifactWriter(artifactsDir, networkId); diff --git a/packages/migrations/src/index.ts b/packages/migrations/src/index.ts index 188f566df..5354b3501 100644 --- a/packages/migrations/src/index.ts +++ b/packages/migrations/src/index.ts @@ -1,3 +1,2 @@ export { runV1MigrationsAsync } from './1.0.0/migration'; export { runV2MigrationsAsync } from './2.0.0/migration'; -export { runV2TestnetMigrationsAsync } from './2.0.0-beta-testnet/migration'; diff --git a/packages/migrations/src/migrate.ts b/packages/migrations/src/migrate.ts index e3651f2dc..338832feb 100644 --- a/packages/migrations/src/migrate.ts +++ b/packages/migrations/src/migrate.ts @@ -1,22 +1,15 @@ #!/usr/bin/env node import { devConstants, web3Factory } from '@0xproject/dev-utils'; import { logUtils } from '@0xproject/utils'; -import { Web3Wrapper } from '@0xproject/web3-wrapper'; import { Provider } from 'ethereum-types'; import * as yargs from 'yargs'; import { runV1MigrationsAsync } from './1.0.0/migration'; -import { runV2TestnetMigrationsAsync } from './2.0.0-beta-testnet/migration'; -import { runV2MainnetMigrationsAsync } from './2.0.0-mainnet/migration'; import { runV2MigrationsAsync } from './2.0.0/migration'; -import { providerFactory } from './utils/provider_factory'; - enum ContractVersions { V1 = '1.0.0', V2 = '2.0.0', - V2Testnet = '2.0.0-beta-testnet', - V2Mainnet = '2.0.0-mainnet', } const args = yargs.argv; @@ -26,8 +19,6 @@ const args = yargs.argv; let providerConfigs; let provider: Provider; let txDefaults; - let web3Wrapper: Web3Wrapper; - let accounts: string[]; switch (contractsVersion) { case ContractVersions.V1: providerConfigs = { shouldUseInProcessGanache: false }; @@ -45,27 +36,6 @@ const args = yargs.argv; }; await runV2MigrationsAsync(provider, artifactsDir, txDefaults); break; - case ContractVersions.V2Testnet: - provider = await providerFactory.getKovanLedgerProviderAsync(); - web3Wrapper = new Web3Wrapper(provider); - accounts = await web3Wrapper.getAvailableAddressesAsync(); - txDefaults = { - from: accounts[0], - gas: devConstants.GAS_LIMIT, - }; - await runV2TestnetMigrationsAsync(provider, artifactsDir, txDefaults); - break; - case ContractVersions.V2Mainnet: - provider = await providerFactory.getMainnetLedgerProviderAsync(); - web3Wrapper = new Web3Wrapper(provider); - accounts = await web3Wrapper.getAvailableAddressesAsync(); - txDefaults = { - from: accounts[2], - gas: devConstants.GAS_LIMIT, - gasPrice: 6000000000, - }; - await runV2MainnetMigrationsAsync(provider, artifactsDir, txDefaults); - break; default: throw new Error(`Unsupported contract version: ${contractsVersion}`); } diff --git a/packages/order-utils/package.json b/packages/order-utils/package.json index 368a5edb1..6b9bdf9ee 100644 --- a/packages/order-utils/package.json +++ b/packages/order-utils/package.json @@ -11,7 +11,7 @@ "build": "yarn pre_build && tsc -b", "pre_build": "run-s update_artifacts generate_contract_wrappers", "generate_contract_wrappers": "abi-gen --abis 'lib/src/artifacts/@(Exchange|IWallet|IValidator|DummyERC20Token|ERC20Proxy|ERC20Token).json' --template ../contract_templates/contract.handlebars --partials '../contract_templates/partials/**/*.handlebars' --output src/generated_contract_wrappers --backend ethers", - "update_artifacts": "for i in ${npm_package_config_contracts_v2_beta}; do copyfiles -u 4 ../migrations/artifacts/2.0.0/$i.json lib/src/artifacts; done;", + "update_artifacts": "for i in ${npm_package_config_contracts_v2}; do copyfiles -u 4 ../migrations/artifacts/2.0.0/$i.json lib/src/artifacts; done;", "test": "yarn run_mocha", "rebuild_and_test": "run-s build test", "test:circleci": "yarn test:coverage", @@ -23,7 +23,7 @@ "docs:json": "typedoc --excludePrivate --excludeExternals --target ES5 --tsconfig typedoc-tsconfig.json --json $JSON_FILE_PATH $PROJECT_FILES" }, "config": { - "contracts_v2_beta": "IWallet IValidator Exchange ERC20Proxy ERC20Token DummyERC20Token", + "contracts_v2": "IWallet IValidator Exchange ERC20Proxy ERC20Token DummyERC20Token", "postpublish": { "assets": [] } -- cgit v1.2.3 From 9858bb0ce4acb87a34d4129e297e08739bf181d8 Mon Sep 17 00:00:00 2001 From: Alex Browne Date: Tue, 4 Sep 2018 18:10:13 -0400 Subject: Fix bug in contracts tests --- packages/contracts/test/multisig/multi_sig_with_time_lock.ts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'packages') diff --git a/packages/contracts/test/multisig/multi_sig_with_time_lock.ts b/packages/contracts/test/multisig/multi_sig_with_time_lock.ts index bc1de7ed4..05d8bbb36 100644 --- a/packages/contracts/test/multisig/multi_sig_with_time_lock.ts +++ b/packages/contracts/test/multisig/multi_sig_with_time_lock.ts @@ -114,9 +114,9 @@ describe('MultiSigWalletWithTimeLock', () => { ); }); it('should set the confirmation time of the transaction if it becomes fully confirmed', async () => { + const txReceipt = await multiSigWrapper.confirmTransactionAsync(txId, owners[1]); const blockNum = await web3Wrapper.getBlockNumberAsync(); const timestamp = new BigNumber(await web3Wrapper.getBlockTimestampAsync(blockNum)); - const txReceipt = await multiSigWrapper.confirmTransactionAsync(txId, owners[1]); const log = txReceipt.logs[1] as LogWithDecodedArgs; expect(log.args.confirmationTime).to.be.bignumber.equal(timestamp); expect(log.args.transactionId).to.be.bignumber.equal(txId); -- cgit v1.2.3 From 9d45d19c80bce5ead92049ab743501f6e40d515a Mon Sep 17 00:00:00 2001 From: Alex Browne Date: Tue, 4 Sep 2018 18:10:23 -0400 Subject: More small artifacts updates/changes --- .../test/exchange_wrapper_test.ts | 2 +- packages/migrations/package.json | 4 +- packages/migrations/src/2.0.0/artifacts.ts | 10 +- packages/migrations/src/2.0.0/constants.ts | 13 -- packages/migrations/src/2.0.0/migration.ts | 142 +++++++++++++-------- 5 files changed, 98 insertions(+), 73 deletions(-) delete mode 100644 packages/migrations/src/2.0.0/constants.ts (limited to 'packages') diff --git a/packages/contract-wrappers/test/exchange_wrapper_test.ts b/packages/contract-wrappers/test/exchange_wrapper_test.ts index 6762c1d43..b3bd7c633 100644 --- a/packages/contract-wrappers/test/exchange_wrapper_test.ts +++ b/packages/contract-wrappers/test/exchange_wrapper_test.ts @@ -358,7 +358,7 @@ describe('ExchangeWrapper', () => { describe('#getVersionAsync', () => { it('should return version the hash', async () => { const version = await contractWrappers.exchange.getVersionAsync(); - const VERSION = '2.0.1-alpha'; + const VERSION = '2.0.0'; expect(version).to.be.equal(VERSION); }); }); diff --git a/packages/migrations/package.json b/packages/migrations/package.json index 776cc2e00..0ce56e232 100644 --- a/packages/migrations/package.json +++ b/packages/migrations/package.json @@ -25,9 +25,7 @@ "config": { "abis": { "v1": "artifacts/1.0.0/@(DummyERC20Token|TokenTransferProxy_v1|Exchange_v1|TokenRegistry|MultiSigWallet|MultiSigWalletWithTimeLock|MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress|TokenRegistry|ZRXToken|WETH9).json", - "v2Testnet": "artifacts/2.0.0-testnet/@(DummyERC721Token|DummyERC20Token|ERC20Token|ERC721Token|ERC20Proxy|ERC721Proxy|Exchange|Forwarder|AssetProxyOwner|IWallet|IValidator|OrderValidator|ZRXToken).json", - "v2": "artifacts/2.0.0/@(DummyERC721Token|DummyERC20Token|ERC20Token|ERC721Token|ERC20Proxy|ERC721Proxy|Exchange|Forwarder|AssetProxyOwner|IWallet|IValidator|OrderValidator|ZRXToken).json", - "development": "artifacts/development/@(DummyERC721Token|DummyERC20Token|ERC20Token|ERC721Token|ERC20Proxy|ERC721Proxy|Exchange|Forwarder|AssetProxyOwner|IWallet|IValidator|OrderValidator|ZRXToken).json" + "v2": "artifacts/2.0.0/@(ERC20Token|DummyERC20Token|ERC721Token|DummyERC721Token|ERC20Proxy|ERC721Proxy|Exchange|Forwarder|AssetProxyOwner|ZRXToken|WETH9|IWallet|IValidator|OrderValidator).json" } }, "license": "Apache-2.0", diff --git a/packages/migrations/src/2.0.0/artifacts.ts b/packages/migrations/src/2.0.0/artifacts.ts index 65736c001..e96c555d6 100644 --- a/packages/migrations/src/2.0.0/artifacts.ts +++ b/packages/migrations/src/2.0.0/artifacts.ts @@ -1,17 +1,25 @@ import { ContractArtifact } from 'ethereum-types'; import * as AssetProxyOwner from '../../artifacts/2.0.0/AssetProxyOwner.json'; +import * as DummyERC20Token from '../../artifacts/2.0.0/DummyERC20Token.json'; +import * as DummyERC721Token from '../../artifacts/2.0.0/DummyERC721Token.json'; import * as ERC20Proxy from '../../artifacts/2.0.0/ERC20Proxy.json'; import * as ERC721Proxy from '../../artifacts/2.0.0/ERC721Proxy.json'; import * as Exchange from '../../artifacts/2.0.0/Exchange.json'; import * as Forwarder from '../../artifacts/2.0.0/Forwarder.json'; import * as OrderValidator from '../../artifacts/2.0.0/OrderValidator.json'; +import * as WETH9 from '../../artifacts/2.0.0/WETH9.json'; +import * as ZRX from '../../artifacts/2.0.0/ZRXToken.json'; export const artifacts = { + ZRX: (ZRX as any) as ContractArtifact, + DummyERC20Token: (DummyERC20Token as any) as ContractArtifact, + DummyERC721Token: (DummyERC721Token as any) as ContractArtifact, AssetProxyOwner: (AssetProxyOwner as any) as ContractArtifact, + Exchange: (Exchange as any) as ContractArtifact, + WETH9: (WETH9 as any) as ContractArtifact, ERC20Proxy: (ERC20Proxy as any) as ContractArtifact, ERC721Proxy: (ERC721Proxy as any) as ContractArtifact, - Exchange: (Exchange as any) as ContractArtifact, Forwarder: (Forwarder as any) as ContractArtifact, OrderValidator: (OrderValidator as any) as ContractArtifact, }; diff --git a/packages/migrations/src/2.0.0/constants.ts b/packages/migrations/src/2.0.0/constants.ts deleted file mode 100644 index 99649f687..000000000 --- a/packages/migrations/src/2.0.0/constants.ts +++ /dev/null @@ -1,13 +0,0 @@ -import { BigNumber } from '@0xproject/utils'; - -export const constants = { - ASSET_PROXY_OWNER_OWNERS: [ - '0x257619b7155d247e43c8b6d90c8c17278ae481f0', - '0x5ee2a00f8f01d099451844af7f894f26a57fcbf2', - '0x894d623e0e0e8ed12c4a73dada999e275684a37d', - ], - ASSET_PROXY_OWNER_REQUIRED_CONFIRMATIONS: new BigNumber(2), - ASSET_PROXY_OWNER_SECONDS_TIMELOCKED: new BigNumber(1209600), - WETH_ADDRESS: '0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2', - ZRX_ADDRESS: '0xe41d2489571d322189246dafa5ebde1f4699f498', -}; diff --git a/packages/migrations/src/2.0.0/migration.ts b/packages/migrations/src/2.0.0/migration.ts index 0f20813f1..1c30fb9ec 100644 --- a/packages/migrations/src/2.0.0/migration.ts +++ b/packages/migrations/src/2.0.0/migration.ts @@ -1,21 +1,25 @@ import { assetDataUtils } from '@0xproject/order-utils'; -import { logUtils } from '@0xproject/utils'; +import { BigNumber } from '@0xproject/utils'; import { Web3Wrapper } from '@0xproject/web3-wrapper'; import { Provider, TxData } from 'ethereum-types'; import { ArtifactWriter } from '../utils/artifact_writer'; +import { erc20TokenInfo, erc721TokenInfo } from '../utils/token_info'; import { artifacts } from './artifacts'; -import { constants } from './constants'; import { AssetProxyOwnerContract } from './contract_wrappers/asset_proxy_owner'; +import { DummyERC20TokenContract } from './contract_wrappers/dummy_erc20_token'; +import { DummyERC721TokenContract } from './contract_wrappers/dummy_erc721_token'; import { ERC20ProxyContract } from './contract_wrappers/erc20_proxy'; import { ERC721ProxyContract } from './contract_wrappers/erc721_proxy'; import { ExchangeContract } from './contract_wrappers/exchange'; import { ForwarderContract } from './contract_wrappers/forwarder'; import { OrderValidatorContract } from './contract_wrappers/order_validator'; +import { WETH9Contract } from './contract_wrappers/weth9'; +import { ZRXTokenContract } from './contract_wrappers/zrx_token'; /** - * Custom migrations should be defined in this function. This will be called with the CLI 'migrate:v2-mainnet' command. + * Custom migrations should be defined in this function. This will be called with the CLI 'migrate:v2' command. * Migrations could be written to run in parallel, but if you want contract addresses to be created deterministically, * the migration should be written to run synchronously. * @param provider Web3 provider instance. @@ -27,7 +31,7 @@ export const runV2MigrationsAsync = async (provider: Provider, artifactsDir: str const networkId = await web3Wrapper.getNetworkIdAsync(); const artifactsWriter = new ArtifactWriter(artifactsDir, networkId); - // Deploy AssetProxies + // Proxies const erc20proxy = await ERC20ProxyContract.deployFrom0xArtifactAsync(artifacts.ERC20Proxy, provider, txDefaults); artifactsWriter.saveArtifact(erc20proxy); const erc721proxy = await ERC721ProxyContract.deployFrom0xArtifactAsync( @@ -37,49 +41,104 @@ export const runV2MigrationsAsync = async (provider: Provider, artifactsDir: str ); artifactsWriter.saveArtifact(erc721proxy); - // Deploy Exchange + // ZRX + const zrxToken = await ZRXTokenContract.deployFrom0xArtifactAsync(artifacts.ZRX, provider, txDefaults); + artifactsWriter.saveArtifact(zrxToken); + + // Ether token + const etherToken = await WETH9Contract.deployFrom0xArtifactAsync(artifacts.WETH9, provider, txDefaults); + artifactsWriter.saveArtifact(etherToken); + + // Exchange + const zrxAssetData = assetDataUtils.encodeERC20AssetData(zrxToken.address); const exchange = await ExchangeContract.deployFrom0xArtifactAsync(artifacts.Exchange, provider, txDefaults); artifactsWriter.saveArtifact(exchange); - let txHash; - // Register AssetProxies in Exchange - txHash = await exchange.registerAssetProxy.sendTransactionAsync(erc20proxy.address); - logUtils.log(`transactionHash: ${txHash}`); - logUtils.log('Registering ERC20Proxy'); - await web3Wrapper.awaitTransactionSuccessAsync(txHash); - - txHash = await exchange.registerAssetProxy.sendTransactionAsync(erc721proxy.address); - logUtils.log(`transactionHash: ${txHash}`); - logUtils.log('Registering ERC721Proxy'); - await web3Wrapper.awaitTransactionSuccessAsync(txHash); + // Multisigs + const accounts: string[] = await web3Wrapper.getAvailableAddressesAsync(); + const owners = [accounts[0], accounts[1]]; + const confirmationsRequired = new BigNumber(2); + const secondsRequired = new BigNumber(0); + const owner = accounts[0]; - // Deploy AssetProxyOwner - const assetProxies = [erc20proxy.address, erc721proxy.address]; + // AssetProxyOwner const assetProxyOwner = await AssetProxyOwnerContract.deployFrom0xArtifactAsync( artifacts.AssetProxyOwner, provider, txDefaults, - constants.ASSET_PROXY_OWNER_OWNERS, - assetProxies, - constants.ASSET_PROXY_OWNER_REQUIRED_CONFIRMATIONS, - constants.ASSET_PROXY_OWNER_SECONDS_TIMELOCKED, + owners, + [erc20proxy.address, erc721proxy.address], + confirmationsRequired, + secondsRequired, ); artifactsWriter.saveArtifact(assetProxyOwner); - // Deploy Forwarder - const zrxAssetData = assetDataUtils.encodeERC20AssetData(constants.ZRX_ADDRESS); - const wethAssetData = assetDataUtils.encodeERC20AssetData(constants.WETH_ADDRESS); + await web3Wrapper.awaitTransactionSuccessAsync( + await erc20proxy.addAuthorizedAddress.sendTransactionAsync(exchange.address, { + from: owner, + }), + ); + await web3Wrapper.awaitTransactionSuccessAsync( + await erc20proxy.transferOwnership.sendTransactionAsync(assetProxyOwner.address, { + from: owner, + }), + ); + await web3Wrapper.awaitTransactionSuccessAsync( + await erc721proxy.addAuthorizedAddress.sendTransactionAsync(exchange.address, { + from: owner, + }), + ); + await web3Wrapper.awaitTransactionSuccessAsync( + await erc721proxy.transferOwnership.sendTransactionAsync(assetProxyOwner.address, { + from: owner, + }), + ); + + // Register the Asset Proxies to the Exchange + await web3Wrapper.awaitTransactionSuccessAsync( + await exchange.registerAssetProxy.sendTransactionAsync(erc20proxy.address), + ); + await web3Wrapper.awaitTransactionSuccessAsync( + await exchange.registerAssetProxy.sendTransactionAsync(erc721proxy.address), + ); + + // Dummy ERC20 tokens + for (const token of erc20TokenInfo) { + const totalSupply = new BigNumber(1000000000000000000000000000); + // tslint:disable-next-line:no-unused-variable + const dummyErc20Token = await DummyERC20TokenContract.deployFrom0xArtifactAsync( + artifacts.DummyERC20Token, + provider, + txDefaults, + token.name, + token.symbol, + token.decimals, + totalSupply, + ); + } + + // ERC721 + // tslint:disable-next-line:no-unused-variable + const cryptoKittieToken = await DummyERC721TokenContract.deployFrom0xArtifactAsync( + artifacts.DummyERC721Token, + provider, + txDefaults, + erc721TokenInfo[0].name, + erc721TokenInfo[0].symbol, + ); + + // Forwarder const forwarder = await ForwarderContract.deployFrom0xArtifactAsync( artifacts.Forwarder, provider, txDefaults, exchange.address, - zrxAssetData, - wethAssetData, + assetDataUtils.encodeERC20AssetData(zrxToken.address), + assetDataUtils.encodeERC20AssetData(etherToken.address), ); artifactsWriter.saveArtifact(forwarder); - // Deploy OrderValidator + // OrderValidator const orderValidator = await OrderValidatorContract.deployFrom0xArtifactAsync( artifacts.OrderValidator, provider, @@ -88,31 +147,4 @@ export const runV2MigrationsAsync = async (provider: Provider, artifactsDir: str zrxAssetData, ); artifactsWriter.saveArtifact(orderValidator); - - // Authorize Exchange contracts to call AssetProxies - txHash = await erc20proxy.addAuthorizedAddress.sendTransactionAsync(exchange.address); - logUtils.log(`transactionHash: ${txHash}`); - logUtils.log('Authorizing Exchange on ERC20Proxy'); - await web3Wrapper.awaitTransactionSuccessAsync(txHash); - - txHash = await erc721proxy.addAuthorizedAddress.sendTransactionAsync(exchange.address); - logUtils.log(`transactionHash: ${txHash}`); - logUtils.log('Authorizing Exchange on ERC721Proxy'); - await web3Wrapper.awaitTransactionSuccessAsync(txHash); - - // Transfer ownership of AssetProxies and Exchange to AssetProxyOwner - txHash = await erc20proxy.transferOwnership.sendTransactionAsync(assetProxyOwner.address); - logUtils.log(`transactionHash: ${txHash}`); - logUtils.log('Transferring ownership of ERC20Proxy'); - await web3Wrapper.awaitTransactionSuccessAsync(txHash); - - txHash = await erc721proxy.transferOwnership.sendTransactionAsync(assetProxyOwner.address); - logUtils.log(`transactionHash: ${txHash}`); - logUtils.log('Transferring ownership of ERC721Proxy'); - await web3Wrapper.awaitTransactionSuccessAsync(txHash); - - txHash = await exchange.transferOwnership.sendTransactionAsync(assetProxyOwner.address); - logUtils.log(`transactionHash: ${txHash}`); - logUtils.log('Transferring ownership of Exchange'); - await web3Wrapper.awaitTransactionSuccessAsync(txHash); }; -- cgit v1.2.3 From 176960924528379511d427d635d1506ba1e09bc9 Mon Sep 17 00:00:00 2001 From: Alex Browne Date: Tue, 4 Sep 2018 18:17:51 -0400 Subject: Update order-watcher/package.json --- packages/order-watcher/package.json | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'packages') diff --git a/packages/order-watcher/package.json b/packages/order-watcher/package.json index 95fec2464..25a08b5b6 100644 --- a/packages/order-watcher/package.json +++ b/packages/order-watcher/package.json @@ -22,13 +22,13 @@ "test:coverage": "nyc npm run test --all && yarn coverage:report:lcov", "coverage:report:lcov": "nyc report --reporter=text-lcov > coverage/lcov.info", "copy_artifacts": "copyfiles -u 2 './src/artifacts/**/*.json' ./lib/src/artifacts", - "update_artifacts": "for i in ${npm_package_config_contracts_v2_beta}; do copyfiles -u 4 ../migrations/artifacts/2.0.0/$i.json src/artifacts; done;", + "update_artifacts": "for i in ${npm_package_config_contracts_v2}; do copyfiles -u 4 ../migrations/artifacts/2.0.0/$i.json src/artifacts; done;", "clean": "shx rm -rf _bundles lib test_temp test/artifacts src/generated_contract_wrappers generated_docs", "run_mocha": "mocha --require source-map-support/register --require make-promises-safe lib/test/**/*_test.js lib/test/global_hooks.js --timeout 10000 --bail --exit", "docs:json": "typedoc --excludePrivate --excludeExternals --target ES5 --tsconfig typedoc-tsconfig.json --json $JSON_FILE_PATH $PROJECT_FILES" }, "config": { - "contracts_v2_beta": "AssetProxyOwner ERC20Proxy ERC20Token ERC721Proxy ERC721Token Exchange Forwarder OrderValidator WETH9 ZRXToken", + "contracts_v2": "AssetProxyOwner ERC20Proxy ERC20Token ERC721Proxy ERC721Token Exchange Forwarder OrderValidator WETH9 ZRXToken", "postpublish": { "assets": [] } -- cgit v1.2.3